*2.2. Criteria Structure*

In this section, the classification criteria structure of the catalogue is briefly exposed, differentiating between initial and new criteria, and showing the logic and the functioning of the catalogue. However, after the general overview of the criteria structure, some guidelines for the application of some classification criteria are commented. Despite all of the criteria considered being attributes that are easy to understand, their application is not always so simple. Classifying any kind of elements in relation to a particular aspect and under a finite number of categories can cause problems. When such a wide set of elements must be processed, there will be particular situations in which the boundaries between the classification categories can be confusing. Having some simple selection guidelines will be very useful in those cases.

Figure 3 shows the criteria structure of the catalogue. As shown in the figure, the criteria that are considered can be grouped along three general categories. The first one includes information that is able to define each asset from different approaches. Thus, the proposed designation for the asset, information concerning the location of the asset, the definition of the scale of the asset, the technological level of the asset, the role in the productive process, the corresponding industry sector, and an interactive link to a website with content related to each particular asset are included in this first category of the catalogue. A second group of criteria is focused on the presence or not of each

asset into cataloguing initiatives of special interest, as well as the protection, when it exists, as a Good of Cultural Interest (BIC). Finally, a third group of asset enables identifying those assets that are reused for new activities, and for those cases, the nature of these activities also.

**Figure 3.** Criteria structure of the developed catalogue: information obtainment process and type of information.

Figure 3 also indicates the nature of the information contained in each field. First, with regard to the information obtainment process, it is necessary to differentiate between those fields completed through only information searching work and those which required some interpretation guidelines. Secondly, the way in which the information of the different fields is shown in the catalogue is also indicated. The most common procedure is a simple mark in the corresponding field when that characteristic is noticeable in the analyzed asset. In other cases, text entries are necessary in order to describe the information of that field. In addition, two fields with interactive information are included for each asset. One of them is linked to online information of interest for each single asset, and the other one contains the global positioning satellite (GPS) coordinates of the corresponding asset, and is linked to Google Maps.
