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Article

Measuring Destination Image through Travel Reviews in Search Engines

Serra Húnter Fellow, University of Lleida, C/ Jaume II, 73, 25001 Lleida, Catalonia, Spain
Sustainability 2017, 9(8), 1425; https://doi.org/10.3390/su9081425
Submission received: 16 July 2017 / Revised: 8 August 2017 / Accepted: 10 August 2017 / Published: 12 August 2017
(This article belongs to the Special Issue Mobile Technology and Smart Tourism Development)

Abstract

:
In recent years, mobile phones and access points to free Wi-Fi services have been enhanced, which has made it easier for travellers to share their stories, pictures, and video clips online during a trip. At the same time, online travel review (OTR) websites have grown significantly, allowing users to post their travel experiences, opinions, comments, and ratings in a structured way. Moreover, Internet search engines play a crucial role in locating and presenting OTRs before and throughout a trip. This evolution of social media and information and communication technologies has upset the classic sources of information of the projected tourist destination image (TDI), allowing electronic word-of-mouth to occupy a prominent position. Hence, the aim of this paper is to propose a method based on big data technologies for analysing and measuring the perceived (and transmitted) TDI from OTRs as presented in search engines, emphasising the cognitive, spatial, temporal, evaluative, and affective TDI dimensions. To test this approach, a massive analysis of metadata processed by search engines was performed on 387,414 TripAdvisor OTRs on ‘Things to Do’ in Île de France, an outstanding smart tourist destination. The results obtained are consistent and allow for the extraction of insights and business intelligence.

1. Introduction

In the last decade, user-generated content (UGC) has grown dramatically, parallel to the rise of information and communication technologies (ICT) and social media. In the field of hospitality and tourism, said growth in the use of social media has been especially noticed in vacation planning. In a survey of 30,105 respondents selected from different social and demographic groups in the European Union [1], the primary source of information used to plan a holiday was stated to be word-of-mouth (WOM), recommendations of relatives, friends and colleagues (51%), followed by electronic word-of-mouth (eWOM), websites collecting and presenting comments, reviews, and ratings from travellers (34%). In relation to American travellers, the percentage of Internet use as a source of information for trip planning is higher than that in relation to European travellers and stands at around 85%, followed by WOM with 42% [2,3]. Nevertheless, search engines play a very important role in locating and presenting information about destinations [4,5].
eWOM communication is mainly based on UGC that can be accessed online for free. UGC is unsolicited and unbiased first-hand information. Therefore, it is deemed reliable by other users. In a survey [6], 54% of tourists responded to the statement ‘I trust reviews on social media from other tourists’ that they agree or strongly agree, and only 11% disagreed or strongly disagreed. In recent years, online travel reviews (OTRs) have proliferated greatly. In OTRs, tourists freely recount their experiences at the destination they visited and give their opinion and/or evaluation of specific attractions (monuments, museums, parks, etc.) and services (hotels, restaurants, transport, etc.). As an example of the growth of UGC, in January 2015, Booking claimed to have 43 million verified reviews from real guests, and TripAdvisor received over 200 million comments and opinions from travellers, and each received 123 and 500 million OTRs, respectively, in July 2017.
According to Xiang et al. [7], primary research has traditionally been done by communication-based studies such as surveys and in-depth interviews, designed to compile data directly from users and consumers. Today, due to the aforementioned potential and exponential growth in the use of social media in travelling, the tourism and hospitality industry appears to be an ideal field for social media analytics. For instance, big data has been used by Miah et al. [8] for tourist behaviour analysis; Jabreel et al. [9] for semantic comparison of emotional values; Kirilenko et al. [10] to conduct sentiment analysis of public attitudes; and by Liu et al. [11] to analyse the satisfaction of guests in the hospitality field.
In the field of tourism, through trip diaries, a perceived (and transmitted) image becomes a projected image by the eWOM effect and contributes to closing the circle of tourist destination image (TDI) formation from a holistic perspective [12]. Therefore, the main objective of this article is to build a theoretical and methodological framework for the mass analysis and measurement of the TDI projected by OTRs through search engines. This framework applies to the case of a prominent smart tourist destination (STD), as indicated in the measurement-approach section.

2. Theoretical Framework

The study of TDI has been a constant in the scientific literature on tourism [13,14] because images are of decisive importance in transposing the representation of an area inside the minds of potential tourists, giving them a pre-perception of the destination [15], and are considered to play a crucial role in an individual’s travel purchase decision-making [14,16]. Reynolds [17] emphasised that product and brand images are created by consumers and that an image is the mental construct developed by the consumer on the basis of a few selected impressions from the flood of total impressions (p. 69). In a simple way, the TDI can be defined as the sum of beliefs, ideas, and impressions that a person has of a destination [18] (p. 18). However, after reviewing 45 valid definitions of the TDI, Lai et al. [19] (p. 1074) propose a very elaborate definition: TDI is ‘a voluntary, multisensory, primarily picture-like, qualia-arousing, conscious, and quasi-perceptual mental (i.e., private, nonspatial, and intentional) experience held by tourists about a destination. This experience overlaps and/or parallels the other mental experiences of tourists, including their sensation, perception, mental representation, cognitive map, consciousness, memory, and attitude of the destination.’ To facilitate its analysis, TDI is divided into three distinct but hierarchically interrelated components: cognitive, affective, and conative [20,21].

2.1. TDI Components

According to Rapoport [21, p. 28], the individual-environment interaction involves three areas: knowing something, feeling something about it, and then doing something about it. These areas correspond to three stages: cognitive, affective, and conative. In this vein, Baloglu et al. [22] state that the construction of the TDI depends on two evaluations; perceptual/cognitive, referring to beliefs or knowledge about the attributes of a destination, and affective, referring to feelings or attachment to the same. The overall perceived image is formed by the union of both [12,23]. A third component is directly derived from the previous two, the conative, which affects the individual’s behaviour when selecting a destination, based on the images received during the cognitive phase and evaluated during the affective phase [20]. This dichotomy of a cognitive-affective image has been extensively studied in the field of tourism [16].
Subsequent to Rapoport’s [21] classification of the image areas, Pocock et al. [24] proposed a parallel but more detailed alternative schema (Figure 1): (1) The designative image, concerning description and classification, which is informative in nature and based on an individual’s knowledge of what is and where its environment is set (the basic whatness and whereness of the image); (2) the appraisive image, meaning attached to, or evoked by, the physical form, which is based on the appraisal or assessment; and (3) the prescriptive image, which relates to predictions and inferences of both the designative and appraisive natures.
Figure 1 shows two basic components of the TDI; the designative or informational image, based on the categorisation of cognitive elements of the environment, and the appraisive image, concerning the appraisal or assessment of these elements. The structure and physical form include features such as texture, shape, size, and layout. The spatial characteristics refer to distance, relative location, and directional relationships [24]. The spatial aspect of the designative image was studied by Son [25], who obtained sketches, which were in turn used to measure mental maps, and by Marine-Roig et al. [26] through spatial coefficients for elucidating image specialization in multiscalar destinations. The appraisive component incorporates both evaluation and preference, the former including some general or external standards and the latter reflecting a more personal type of appraisal and affection, which is the emotional response concerned with the value, feeling, and meaning attached to the perceived image [24] (p. 30). In other words, the designative component is related to the structure of the environment and the appraisive to its sense or meaning. In this vein, Lynch [27] stated that each person has a visual image of the city and that the image gives the city structure, meaning, and identity.
In addition to placing the TDI in space, it must be taken into account that the image is perceived by an individual at a given time. The image may vary over the years or may change from season to season; for instance, the perceived image of Japan during the time that the cherry-trees are in blossom or the image of the Mediterranean coast in summer and in winter. Therefore, the spatiotemporal dimension of the TDI must be considered.

2.2. TDI Information Sources

TDI information sources are classified as primary and secondary [28]. Primary TDI sources are derived from information about a destination that visitors acquire from their own experiences, while secondary sources are formed from information received through other people or organisations. In turn, secondary sources are divided into induced, autonomous, and organic sources [20]. Induced sources are characterised by the fact that agents depend on destination organisations, that is, they are an interested party in the process of selecting the trip. These sources can be subdivided into overt-induced and covert-induced based on the degree of knowledge that the recipient has about their origin. Autonomous TDI formation agents are independent of the destination such as reportages, newspaper articles, and documentaries. Organic sources (solicited and unsolicited) emanate from friends, colleagues, and relatives (WOM advertising). The credibility of the sources is inversely proportional to the degree of control that the destination has over the source. The more control the destination has over the source, the less credible it appears to the traveller. Thus the most valued sources are autonomous and organic.
It has been almost 25 years since Gartner [20] published its classification of TDI information sources, and travellers have changed their habits to attain information to select a destination. For instance, in the macro-survey [1] seen in the introduction, websites that collect and present OTRs were ranked second, behind WOM but above primary sources and far above service providers, tourist offices, travel agencies, etc. According to a survey of 11,400 international tourists [29], the top three online influences on destination choice were search engines, price comparison sites, and traveller review sites. In a multidimensional analysis on information sources for the formation of TDI [5], the Internet was ranked first, and, within the web platforms, search engines (e.g., Google), maps (e.g., Google Maps), and webpages with assessments by users (e.g., TripAdvisor) were frequently utilised.
From previous surveys, OTRs have been demonstrated to be a significant source of information in all cases, and search engines have occupied a preponderant place in the search for information about a destination. However, search engines are not a source of information themselves. Instead, websites that collect OTRs obtain first-hand information about the destination, which can be located and presented to users by search engines. Then Gartner’s [20] framework is valid by adding the content generated online by travellers (travel blogs and OTRs) within the unsolicited-organic information sources. Otherwise, OTRs are spread primarily through social media (eWOM) and search engines.

2.3. TDI Dimensions and Paratextual Elements of OTRs

The term ‘paratext’ was introduced by Genette [30] to define a set of productions (an author’s name, a title, a preface, illustrations, etc.) accompanying the text of a literary work, which can be discussed whether they belong in the traditional sense to the text or not, but in any case surround and extend it. This author divides them into ‘peritext’ and ‘epitext’ according to the distance of the elements from the text itself. The production of the paratext is directly, but not exclusively, the responsibility of the publisher or the publishing house. Marine-Roig [31] proposes a framework to adapt the theory of Genette to the case of OTRs on attractions or services and classifies as peritext their titles, ratings, language, subjects, type, dates, and geographic locations, followed by the author’s profile and, as epitext, the related reviews and comments of other users and contextual advertising. In this case, the paratext is generated by the author (UGC), by the webmaster (WGC: webhost- or webmaster-generated content), or by both together.
The title is the most important peritextual element, fulfils the function of summarizing and previewing the experience reported in the OTR [32], and consists of two parts, the title in a strict sense (UGC) and the complementary information (WGC). The UGC part of the title, for its great content of adjectives and recommendations, is useful in deducing the affective dimension, and the WGC part for the designative component. The rating fits with the evaluative dimension. The subject (attraction or service) and type (sights, landmarks, etc.) contribute to the analysis of the cognitive dimension. Finally, the date and location delimit the spatiotemporal dimension.

2.4. OTRs on Search Engines

For their potential to index and organise vast amounts of information, search engines are powerful tools that represent the virtual world and therefore the domain of tourism [33] (p. 146), and their role is becoming increasingly important in the marketing programs of online tourist organisations [34]. Therefore, search engines have great potential to capture the projected TDI and facilitate travel planning [35].
Pan et al. [36] propose a conceptual model of planning a trip through the Internet based on the interaction between users and the portion of the Web related to the industry and tourist destinations. From this framework, an online search information model emerges with three components: the traveller, the interface, and the online space [33]. The effectiveness of a search depends on the situation, knowledge and skills of the user (traveller), the quantity and quality of related websites (tourist domain online), and the functionalities of the web browsers and search engines (interface) used to facilitate the results.
Search engines basically consist of two parts; a parser that timelessly runs the Web and collects or updates the most significant information used to build a database indexed by key words or phrases and an online component receiving users’ queries and returning corresponding results sorted by relevance and visibility [37]. These results are often presented based on the metadata of the indexed webpage, including the title, with a link and a brief summary [33].
An analysis by Xiang et al. [38] showed that social media carries substantial weight in search results related to travel planning, with OTRs representing a significant amount of social media for travel purposes [29]. In order to show that data from an OTR appears in search engines (Figure 2), we have chosen an OTR from TripAdvisor, the largest user-generated online review site in the tourism domain [7,39], and the three search engines with the most traffic, Google, Baidu, and Yahoo (Alexa.com, TopSites). It is noteworthy that Yahoo does not use its own means and presents the results obtained by Live.com through Microsoft’s Bing search engine.
Metadata is a set of data describing or giving information about other data. The web label <meta ... /> [40] contains metadata about an HTML (HyperText Mark-up Language) page. These metadata are not displayed on the website because they are intended to provide information to browsers and search engines on the Internet. HTML metadata consist of pairs of tags composed of a name and content (Table 1). The most common elements are the description of the webpage, the list of keywords, and the name of the author of the document [40]. Although the information contained in Table 1 and in Figure 2 was collected on the same day, a discrepancy can be seen in the number of views and photos because the webhost is updated daily, while the three search engines that captured metadata on previous dates see no need to update so often.
In the example used in Figure 2, we can see the query made in three search engines, which is the title of an OTR (composed of two words and an exclamation mark) and the domain name where it is hosted. The title matches a key phrase that is in the meta-tag keywords (Table 1), by which search engines indexed the OTR webpage. The three search engines return the title, description, and web address of the OTR (Figure 2 and Table 1). Google, the global website with the most Internet traffic (Alexa.com, TopSites), also returns the score, author, and date of the OTR by a script.

2.5. Measurement Approach

In short, the TDI is made up of the physical environment and its meaning and values, as perceived by individuals at a given time; thus image-building is individualistic and subjective [41]. Therefore, the more opinions that are analysed, the more precise the results will be on the perceived TDI as a whole. The websites that host OTRs have a lot of free opinions from very different users, and big data technologies facilitate their processing [11,42,43].
TDI has a considerable influence on users when planning trips or holidays. A significant diffusion of TDI is performed through eWOM communication, which occurs in online information sources that collect and present traveller comments, reviews, and ratings, and through search engines that locate these sources and present a summary of the data. Therefore, the aim of this paper is to propose a methodology for a massive analysis of OTRs on a tourist destination in order to elucidate and measure the projected image, consisting of the image perceived by visitors as presented by the web host and spread through Internet search engines. To test the method, we used certain HTML metadata processing search engines to obtain a sample of 387,414 Things-to-Do OTRs housed on TripAdvisor, written in English by tourists from more than 150 countries, who were visiting Île de France between 2007 and 2016, and we obtained significant results in five dimensions of the TDI (cognitive, spatial, evaluative, affective, and temporal). Furthermore, to explore to what extent the OTR paratextual productions are significant in building the TDI, another sample of 123,726 OTRs on the four most popular landmarks is analysed and discussed.

3. Materials and Methods

The approach is founded on the theoretical framework proposed by Marine-Roig [31] on the relationship between an OTR and the paratextual productions around it, which are both generated by the traveller (UGC) as well as the by the webmaster (WGC). The entity-relationship diagram constructed by this author shows the closeness between the writing body of an OTR and its surrounding peritextual elements to the extent that the reviewers’ experiences, opinions, or assessments are meaningless; for example, if they are not placed in time and space. With regard to implementation, the method follows the batch-processing paradigm, that is, the big data are first stored and then analysed [43], but it is not necessary to work on a distributed system because approximately one million HTML files (250 GB: GigaBytes) can be processed on a single workstation. The proposed method consists of the following phases: data collection, HTML metadata mining, and quantitative analysis.

3.1. Case Study

According to the World Tourism Organization (UNWTO), Europe was the most frequently visited region in the world in 2015, and Île de France was the most touristic continental region of the European Union, with 77.7 million overnight stays [44]. Île de France is an outstanding STD and has a peculiar geographical distribution of departments, comprising a metropolis surrounded by an inner ring, and this, in turn, is surrounded by an outer ring (Figure 3), which allows for the study of the spatial dimension of the TDI. Moreover, France is a non-English-speaking country, so problems caused by special characters (i.e., characters above ASCII 127: 7-bit American Standard Code for Information Interchange) that are not part of the English alphabet should be attended to.

3.2. Data Collection

The main online sources of travel-related stories and opinions are websites that host travel blogs and OTRs because they present the information in a structured way, allowing a person to automate the download, classification, and analysis. On the basis of past work and an update of the search, 12 portals are located with abundant information about Île de France during the studied period (2007–2016). To choose the most suitable source, a weighted formula of aggregation of rankings [37] based on Borda’s [45] positional method (B) is applied with the webometric variables visibility (V), popularity (P), and size (S):
TBRH = 1 × B(V) + 1 × B(P) + 2 × B(S)
Once this formula is applied, TripAdvisor comes first and outscores the other webhosts by far. This selection matches Baka (2016), who considers TripAdvisor the world’s largest source of UGC in the domain of tourism, and other authors [11,46], explaining the advantages of collecting a set of open data in TripAdvisor because of the huge amount of user-generated reviews that it hosts. Moreover, Yoo et al. [47] note that TripAdvisor’s reputation management system helps to determine the helpfulness of reviews and/or reviewers (which enables viewing profiles, other reviews, votes, and ratings) and motivates users to contribute reliable reviews (through intrinsic and extrinsic motivations).
Dismissing reviews about hotels and restaurants for their high degree of specialization, in January 2017, 890,682 Things-to-Do OTRs on Île de France in several languages were downloaded [48] by means of a web copier, Offline Explorer Enterprise (OEE). OEE delivers high-level downloading technology and industrial-strength capabilities, downloads up to 100 million URLs per project, and archives websites automatically on a regular basis (MetaProducts.com). In this case study, the most representative language of TripAdvisor is English, due to the greater volume of OTRs and the variety of countries (more than 150) of origin among foreign reviewers. These countries are (in order from the most to fewest number of OTRs): United States, United Kingdom, Australia, Canada, India, Ireland, New Zealand, Singapore, Germany, South Africa, Netherlands, Israel, etc. Then, a sample of 387,414 reviews written in English between 2007 and 2016 was selected (Table 2 and Figure 4). To check that the sample collected all the Things-to-Do OTRs written in English, the hyperlink codes (*) of the webpages of each OTR (ShowUserReview*.html) were crossed with those of the webpages of each attraction or service (Attraction_Review*.html).

3.3. HTML Metadata Mining

In examining Figure 2 and Table 1, both on the same OTR, one can deduce that the three search engines retrieve the information presented in the title and description content delimited by the HTML meta-tags. In addition, associated with the title, there is a hyperlink leading to the webpage hosting the OTR. In turn, the title consists of two parts; the title in strict sense written by the traveller (UGC) and the associated information (attraction or service, destination and domain) added by the webmaster (WGC). The hyperlink (Table 1) provides a lot of data that facilitates the process of the associated information analysis, including the protocol (https: secure HTTP), server (www.tripadvisor.com), purpose of the webpage (show user’s reviews), destination code (g187147: Paris), attraction code (d188151: Eiffel Tower), OTR code (r257879021), internal name of attraction (Eiffel_Tower), subregion name (Paris), region name (Ile_de_France), and type of webpage (html). On the other hand, unlike the other two search engines, Google presents an additional line with the rating (Rating: 5) of the attraction or service, author (TripAdvisor user), and OTR date (5 March 2015).
Thanks to the structure of webpages, we can extract the metadata described by simple expressions (regex: Regular expressions) of regular language (sequences of characters forming a search pattern) through a programme such as UltraEdit (ultraedit.com), which supports files larger than 4 GB, that admits regex and allows users to work with large amounts of data.
Special characters can be encoded in different ways in HTML pages. For example, Sacré Cœur (Sacred Heart) has two special characters: lowercase e acute and lowercase œ ligature. This ligature can be represented with at least four codes: Friendly (&oelig;), numerical (&#156;), hexadecimal (&#x9C;), and UTF-8 (ð). These encodings baffle the parser and should be unified; one solution is to replace the special characters with the corresponding ISO 8859-15 (Latin alphabet 9) character. Finally, metadata in CSV format (comma separate values) was stored to handle files in plain text using a spreadsheet application.

3.4. Content Analysis

Content analysis can be defined as a systematic, replicable technique for compressing key words or key phrases into a few content categories. It allows researchers to sift through large volumes of data with relative ease in a systematic way [49]. The quantitative content analysis used in this research consists of three phases: parser configuration, frequency analysis, and categorisation.

3.4.1. Parser Settings

To classify and count the words in a text, the parser needs to know which characters are word separators, which are composite words, and which words are not considered keywords.
Word delimiters are generally regarded as word-separator characters blanks, commas, semicolons, etc.; however, to achieve greater precision, in this case all characters that are not letters in the English and French languages have been considered.
Composite words are groups of words that have different meanings together or separately such as ‘pick pockets’ or compound nouns like ‘Notre Dame’.
A black list is a list of non-significant words for the case study and includes most adverbs, conjunctions, determiners, prepositions, and pronouns.

3.4.2. Frequency Analysis

Content analysis is usually based on a word-frequency count because, despite its flaws, it is assumed that the words mentioned most frequently reflect the greatest concerns [49]. Figure 5 shows the pseudocode algorithm used for frequency analysis. The algorithm is case insensitive and has two counters; one for total words in the text including stop words and another for unique keywords. To optimize the execution time, the stop words are stored in an ordered list and the results in a set (without repetitions) on a binary tree in order to implement the searches with a logarithmic (dichotomous) asymptotic cost.

3.4.3. Categorisation

There are two models of categorization; categories established a priori and categories analysed and deducted from the text itself (emergent coding) [49,50]. To analyse the cognitive, affective, and spatial components of the TDI, three categories of keywords were created; attractions, feelings, and locations.
Attractions: by means of a preliminary analysis, this category has been extracted from the WGC title (Table 1), that is, from the part of the OTR title generated by the webmaster, in order to be able to process the attractions with the same name that TripAdvisor uses. For example, although ‘Tour Eiffel’ is the original name of a landmark, the study considered the English version, ‘Eiffel Tower’, used by TripAdvisor.
Feelings: a dichotomous category has been constructed a priori divided into good feelings and bad feelings. Both are formed by American and English adjectives, interjections, and recommendations. For example, ‘beautiful’, ‘amazing’, ‘nice’, ‘wonderful’, ‘wow!’, ‘must see’, and ‘don’t miss’ represent good feelings, while ‘poor’, ‘disappointing’, ‘overcrowded’, ‘yuck!‘, ‘not great’, ‘not worth it’, and ‘beware of pickpockets’ are representative of bad feelings. On the other hand, the reviewers give a global rating (between 1 and 5) to the attraction or service: Excellent (5) and Very good (4) qualifications have been considered positive, Poor (2) and Terrible (1) negative, and Average (3) neutral.
Locations: the destinations are classified by areas (see Figure 3 and Table 2). For example, Versailles belongs to the department of Yvelines (78), and Marne-la-Vallée (where Disneyland Paris is located) is astride three departments, Seine-Saint-Denis, Val-de-Marne, and Seine-et-Marne, but it is identified here as Seine-et-Marne (77) due to that being the most touristic department of the region, after Paris (75).

4. Results and Discussion

Preliminary results of the spatiotemporal distribution of the 387,414 OTRs are obtained. In Table 2, a considerable growth of the quantity of OTRs is observed, with a great concentration in district 75 (Paris), which has more than 91% of the OTRs of the whole region. For example, three districts that border Paris (92, 93, and 94), which together form the Inner Ring (see Figure 3), when added up only represent 0.57% of the OTRs that Île de France had between 2007 and 2016. However, in 2016, a decrease in the OTRs of the main districts (75, 77, and 78) of Île de France was observed, which may be due to the impact of the awful 2015 attacks in Paris. Figure 4 shows that, in all districts, the third quarter is the most touristic by the number of OTRs, followed by the second, fourth, and first.
Table 3 shows the 387,414 analysed OTR titles (2,369,507 words). In the UGC keywords column, good feelings are predominant. Other columns indicate the number of occurrences of every keyword and the percentage that it represents of the total of words (including stop words).

4.1. Designative Image

Whatness: Table 4 shows the reviewed attractions as a result of filtering WGC titles by categories of attractions. The most visited attractions, judging by the number of OTRs, are Tour Eiffel, Musée du Louvre, Musée d’Orsay, and Cathédrale Notre Dame.
Whereness: According to Marine-Roig et al. [26] (p. 204), destination image is territorially specialized; TDI specialisation refers to the degree to which certain places are communicated and perceived through certain imagery, activities, attributes, feelings, or identity components that distinguish them from others as tourist destinations. Coinciding with the results of Table 2, which shows a large concentration of OTRs in the metropolis, in Table 4, the most visited attractions are in Paris (75), except for Disneyland Park and Walt Disney Studios, which are in the 77th district, and Château de Versailles, which is in the 78th.

4.2. Appraisive Image

With the data provided by the search engines (Figure 2 and Table 1), there are two methods used to analyse feelings toward the destination attributes; user ratings and the expressions of the reviewers in the OTR titles.
Evaluative dimension: Google shows the rating given by each user for each attraction or service, which allows for the calculation of the average of the 387,414 reviews (Table 4): Excellent (252,509: 65.18%), Very good (91,633: 23.65%), Average (27,928: 7.21%), Poor (8404: 2.17%), and Terrible (6940: 1.79%). This assessment can be grouped into three cases; Positive scores (88.83%), Neutral scores (7.21%), and Negative scores (3.96%).
Affective dimension: Filtering the UGC keywords column of Table 3 with the feelings category, 215,031 keywords are related to Good feelings (9.07% of total words including stop words) and 11,257 to Bad feelings (0.48%).
The results obtained with both methods are similar but do not match exactly because the Positive scores are more than 22 times higher than the Negative in the case of the evaluative dimension, whereas the Good feelings are less than 19 times higher than the Bad in the case of the affective dimension. This inconsistency shows that both dimensions (evaluative and affective) are useful to measure the appraisive component of an image.

4.3. Zoom on the Four Main Attractions

To explore and gain insight into the image of attractions, we extracted 123,726 OTRs on the four principal attractions (Eiffel Tower, Musee du Louvre, Musee d’Orsay, and Notre Dame cathedral). An analysis of frequencies was done (Table 5), and these frequencies were superficially compared. In general, the titles of the four attractions contain many positive adjectives like ‘amazing’, ‘beautiful’, and ‘great’.
The titles of the Eiffel Tower frequently contain singular keywords: ‘wait/s (621)’, ‘ticket/s (699)’, ‘in advance (343)’, ‘line/s (938)’, ‘queue/s (892)’, etc., which relate mainly to the problems of queuing and waiting to acquire tickets or access to the tower and reviewers recommending buying tickets in advance. Also, they often contain the keyword ‘icon/ic’ because the Eiffel Tower is the symbol of Paris and of the whole of France.
The titles of the Musee du Louvre have many occurrences of the keyword ‘mona lisa’ because La Gioconda (known as Mona Lisa) is one of the most famous works of art in the world; keywords such as ‘crowd/s (390) ‘, ‘crowded (551)’, ‘overcrowded (44)’, etc. also appear to complain about the crowds that occur in the museum (see Figure 6, and the keywords ‘time (983)’ and ‘need/s (490)’ also appear because many reviewers recommend taking more time to visit the museum.
The titles of the Musee d’Orsay demonstrate the use of the keywords ‘impressionism’ and ‘impressionist/s’ since the museum houses the largest collection of Impressionist masterpieces, and the titles of Notre Dame have the keywords ‘cathedral’, ‘church’, ‘architecture’, and ‘gothic’ because the cathedral is widely considered to be one of the finest examples of French Gothic architecture.
Figure 7 shows the feelings of visitors to the four studied attractions as a result of filtering Table 5 with the feelings category. The feeling bars in the graph represent the percentage of occurrences of keywords on feelings in relation to the total words (including stop words) of the OTR titles for each attraction. Additionally, score bars represent the ratio of scores for every 10 OTRs. For example, ‘Tour Eiffel Score+ 9.14’ means that 91.4% of OTRs on the Eiffel Tower have an Excellent or Very Good rating.
Two attractions (Eiffel Tower: 8.31%; Musee du Louvre: 7.42%) demonstrate a percentage of good feelings below the average (9.07%) of the 387,414 OTRs, and the other two attractions (Musee d’Orsay: 11.10%; Notre Dame: 11.41%) demonstrate a percentages of good feelings above the average. These results are consistent with the ratings in Table 4, where the first two (Eiffel Tower: +91.40%, −1.87%; Musee du Louvre: +90.20%, −2.43) show lower grades than the second two (Musee d’Orsay: +96.51%, −0.89%; Notre Dame: +93.05, −0.92%). The above results may be due to the problems identified in Table 5 on queues and waiting at the Eiffel Tower and overcrowding (see Figure 6) and insufficient time to visit the Musee du Louvre. However, there is an inconsistency in the evaluative and affective dimensions of the appraisive image between the two best rated attractions (Musee d’Orsay and Notre Dame), as can be seen by the order of the key figures (Figure 7). As with the inconsistency seen above, in these cases it is also demonstrated that the two dimensions are necessary to measure the appraisive image component.

5. Concluding Remarks

The proposed method allows the perceived image by travellers as transmitted by OTR webhosts and displayed in search engines to be analyzed and measured. This perceived and transmitted image becomes a projected image and contributes to closing the circle of the TDI.
The case study is meaningful because it includes the search engines with more traffic and, especially, Google (the website with the most traffic in the world); TripAdvisor, the travel-related website with the greatest volume of content generated by users; and Île de France, the most touristic continental region of the European Union. The number of analysed OTRs (387,414 in general and 123,726 in particular) represents the totality of the OTRs that meet the requirements (reviews on Things to Do in Île de France written in English between 2007 and 2016), and, therefore, the results allow for the derivation of reliable insights and business intelligence.
The method is reliable for several reasons: the quantitative content analysis of stored big data has little likelihood of error; the source of information (UGC data) is trustworthy according what the majority of researchers support; and the analysis of the appraisive component of the image has demonstrated the usefulness of its two dimensions (evaluative and affective) to measure the TDI. Furthermore, the available information is large and relatively easy to obtain because it is possible to access freely on trip-related websites hosting travel blogs and OTRs.
The main information from a TripAdvisor OTR that search engines show comes from the content of the HTML meta-tag <title>. The title is divided into two parts: a summary of the opinion of the tourist on an attraction or service (UGC) and the name and location of the attraction or service (WGC). The analysis of the first part is very useful for inferring the affective dimension of the TDI and the second part for the cognitive and spatial dimensions. Evaluative dimension analysis has revealed a high degree of satisfaction among tourists with the main attractions, and affective dimension analysis has shown a massive use of positive adjectives. The analysis of cognitive and spatial components found a high concentration of attractions in the metropolis, constituting more than 90% of the entire region.

5.1. Scientific Implications

While the dichotomy of the cognitive-affective image [20,21] has been commonly studied in the field of tourism, the parallel dichotomy of the designative-appraisive image [24] has received very little attention, and we believe it is more adequate to measure the perceived TDI from UGC. From the research background, through a significant case study (the most touristic region of the continent most frequently visited in the world) and a method of quantitative content analysis, it was demonstrated that the information (UGC and WGC) of the OTRs submitted by search engines contributes to the construction of TDI c, especially in five dimensions: cognitive, spatial, temporal, evaluative, and affective (Figure 1). In other words, both designative aspects (whatness and whereness) of the TDI as feelings or attachment to a destination’s attributes are analysed and measured. The methodology employed in this study outlines a process of gathering, mining, and analysing massive tourism-related user-generated content (hundreds of thousands of visitors from more than 150 countries), which collectively constitutes the perceived image of the destination as a whole.

5.2. Managerial Implications

On the one hand, the information was analysed to find out the spatiotemporal distribution of OTRs and to know what and where the most visited attractions and the best rated are. These metrics allow destination management organisations (DMOs) to compare various attractions or services from the same or other destinations, in addition to places, territorial brands, or whole regions. The temporal dimension also allows for an analysis of the evolution of the tourist destination over time and the change (or permanence) of images perceived during different years or seasons. On the other hand, managers can acquire business intelligence (BI), with, for example, the problem detected in Paris concerning queues for purchasing tickets and accessing the Eiffel Tower or the crowds and the need to allow more time on visits to the Louvre Museum. Consequently, the occurrence of ‘queues’ and ‘crowds’ among the most-frequent words in OTRs of the two main landmarks is detrimental to the image of Paris, which aims to have sustainable tourism [51]. Focusing on the attribute-based TDI, this spontaneous demand-side information can be useful for DMOs to optimise products or services in the tourism supply chain and can contribute to the improved allocation of destination resources [52]. Moreover, the proposed framework allows one to gain insights and is very cost-effective in relation to the realization or replication of expensive surveys or interviews to determine the preferences and opinions of visitors.

5.3. Limitations

The main problem is that not all OTRs are indexed in search engines, but websites like TripAdvisor appear in the top positions of the results returned. Associated hyperlinks allow access to webhosts that have a hierarchical structure of geographic classification of destinations and subclassifications like hotels, restaurants, and things to do at each destination. Moreover, the prescriptive [24] or conative [21] component of the analysis of the image is beyond the scope of this study.

5.4. Future Work

The writing body of the OTRs, together with the paratextual elements seen in this work, allows an in-depth analysis beyond the most frequent words. By using regular language expressions (regex), one can construct search patterns to extract phrases or groups of words related to the image, identity, authenticity, sustainability, or smartness of tourist destinations, and so on.
Regarding the implementation of the method, the algorithm in Figure 5 generates the frequency tables in near real-time, but the problem is the huge amount of noise in webpages since only an average of 4% of the internal content of downloaded pages is useful for this case study using the proposed method based on the batch-processing paradigm. HTML pages generally have a consistent structure, which allows researchers to take advantage of them. In this respect, additionally, other big data technologies could be used within the streaming-processing paradigm [43]; that is, they could filter data as they arrive and only store the useful page sections. The algorithm is complex, but the improvement is substantial because it would reduce the volume of stored data by about 25 times.

Acknowledgments

This work was supported by the Spanish Ministry of Economy and Competitiveness [Grant id.: MOVETUR CSO2014-51785-R]. Special thanks to Esteve Mariné for his expert advice in the field of Information Technology. The author states that she has not received funds to cover the costs of publishing in open access.

Conflicts of Interest

The author declares no conflict of interest.

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Figure 1. Tourist destination image (TDI) components. Source: author, derived from Pocock et al. [24].
Figure 1. Tourist destination image (TDI) components. Source: author, derived from Pocock et al. [24].
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Figure 2. View of the same online travel review (OTR) in the three search engines with the most traffic.
Figure 2. View of the same online travel review (OTR) in the three search engines with the most traffic.
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Figure 3. Map of Île-de-France’s departments. Source: author, derived from J. M. Schomburg (WikiMedia Commons).
Figure 3. Map of Île-de-France’s departments. Source: author, derived from J. M. Schomburg (WikiMedia Commons).
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Figure 4. Sample of 387,414 TripAdvisor OTRs (2007–2016) on Île de France per district and trimester.
Figure 4. Sample of 387,414 TripAdvisor OTRs (2007–2016) on Île de France per district and trimester.
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Figure 5. Simplified algorithm used for frequency analysis. Source: Author.
Figure 5. Simplified algorithm used for frequency analysis. Source: Author.
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Figure 6. Crowds in the Louvre (Mona Lisa). Author: Max Fercondini (Wikimedia Commons).
Figure 6. Crowds in the Louvre (Mona Lisa). Author: Max Fercondini (Wikimedia Commons).
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Figure 7. Appraisive image of four Île de France attractions. Source: Sample of 123,726 OTR UGC titles.
Figure 7. Appraisive image of four Île de France attractions. Source: Sample of 123,726 OTR UGC titles.
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Table 1. Contents of the most important HyperText Mark-up Language (HTML) meta-tags (see Figure 2).
Table 1. Contents of the most important HyperText Mark-up Language (HTML) meta-tags (see Figure 2).
Meta NameContent
titleOverwhelming structure!—Review of Eiffel Tower, Paris, France—TripAdvisor
hyperlinkhttps://www.tripadvisor.com/ShowUserReviews-g187147-d188151-r257879021-Eiffel_Tower-Paris_Ile_de_France.html
keywordsEiffel Tower, Paris, France, Overwhelming structure!
descriptionEiffel Tower: Overwhelming structure! —See 86,418 traveler reviews, 44,570 candid photos, and great deals for Paris, France, at TripAdvisor
Source: TripAdvisor OTR on the Eiffel Tower dated 5 March 2015.
Table 2. Sample of 387,414 TripAdvisor OTRs on Île de France per district and year.
Table 2. Sample of 387,414 TripAdvisor OTRs on Île de France per district and year.
7577789192939495
2007316681303111
20087051291902102
200915111776102410
201025382008503812
201110,1237953630172886
201246,26028461054296883225
201349,205309413618861484126
201458,81134591991191372005559
201593,707525330462424923968116
201689,492510529652427832780144
Table 3. Top 20 OTR title keywords (user-generated content (UGC)).
Table 3. Top 20 OTR title keywords (user-generated content (UGC)).
RankKeywordCountDensityRankKeywordCountDensity
Total: 2,369,507Unique: 25,810% Total: 2,369,507Unique: 25,810%
1paris43,6681.8429211see10,5180.44389
2great30,9251.3051212must see91170.38476
3beautiful22,8170.9629413experience90030.37995
4tour17,8670.7540414view87860.37079
5amazing15,0520.6352415very87540.36944
6museum13,4210.5664016way87210.36805
7best12,6720.5347917nice87200.36801
8place12,3010.5191418good80250.33868
9visit11,8480.5000219day79800.33678
10worth10,7450.4534720wonderful76580.32319
Source: Sample of 387,414 TripAdvisor OTRs (2007–2016) written in English.
Table 4. Top 20 Île de France reviewed attractions per district, frequency, and ratings.
Table 4. Top 20 Île de France reviewed attractions per district, frequency, and ratings.
AttractionDistrictCountExcellentVery goodAveragePoorTerrible
Eiffel Tower7544,43830,10610,5102990538294
Musee du Louvre7531,86521,08476572350516258
Musee d’Orsay7524,13919,203409362711799
Notre Dame Cathedral7523,28415,7425924140416351
Arc de Triomphe7513,5958166423310659932
Disneyland Park7711,571510230191832911707
Luxembourg Gardens7510,54871822867438547
River Seine7510,027643528865778346
Basilica du Sacre-Coeur75909454922595614211182
Sainte-Chapelle7584866374148746311151
Chateau de Versailles78764440512016870405302
Musee de l’Orangerie757366537215253855925
Champs-Elysees7551242351153193721590
Fat Tire Tours Paris75512443774751546553
Palais Garnier75502739259011423128
Musee Rodin755022333112943235816
Moulin Rouge75487022081229703356374
Walt Disney Studios77471522841484651182114
Montmartre7542232566112032713080
Le Marais75419028971096161288
Source: Sample of 387,414 TripAdvisor OTRs (2007–2016) written in English.
Table 5. Top 25 OTR title keywords (UGC).
Table 5. Top 25 OTR title keywords (UGC).
Eiffel Tower Musee Louvre Musee Orsay Notre Dame
Unique: 5342Total: 259,871Unique: 4946Total: 192,729Unique: 3703Total: 140,012Unique: 3684Total: 119,189
4583paris2996museum5212museum3539beautiful
3035eiffel tower2390louvre2745art1652cathedral
2731amazing1925amazing2197paris1448paris
2594view1728art2162great1292amazing
2180night1501see1737impressionist/s1221must see
2132great1405visit1499best975notre dame
2054must see1381must see1426beautiful912visit
1964beautiful1344paris1016must see795architecture
1748views1320great999wonderful793worth
1462visit1154day988visit756church
1454worth983time935amazing717great
1391top962mona lisa916collection670stunning
1333icon/ic919world909favorite629place
1134experience915huge814louvre508very
1122tower913best803building473impressive
962see911much688worth472history
938line/s910place554place465breathtaking
892queue/s866worth497musee d’orsay424gothic
794best844beautiful487fantastic403nice
763long618very447better396building
757time616big446see393free
721day557overwhelming443world364magnificent
703awesome551crowded442excellent350see
699ticket/s531experience421love330experience
697must do503wonderful398impressionism298wonderful
Source: Sample of 123,726 TripAdvisor OTR UGC titles on four main attractions.

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Marine-Roig, E. Measuring Destination Image through Travel Reviews in Search Engines. Sustainability 2017, 9, 1425. https://doi.org/10.3390/su9081425

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