A Theoretical Proposition for Spatial Data Infrastructure On-Going Improvement
Abstract
:1. Introduction
2. Methodology
2.1. Systematic Literature Review Method
2.2. SDI as a Temporal Phenomenon
2.3. Consideration of the SDI Constructs as Constraints
2.4. The Theory of Constraints (TOC)
- (a)
- Among the reviewed methods, the TOC was perceived to be more scientific in approach.
- (b)
- The TOC has been found to perform better than other improvement methods by [37]. They reported its prowess on things such as lead times, performance, inventory levels improvement, increase in throughput and better prospects in aspects of financials as compared to other improvement approaches.
- (c)
- The TOC was viewed to be much simpler and capable of easily handling complex constructs that are associated with SDI: organization, standards, access networks, legal framework, and financial framework.
- (d)
- The fundamental objective of TOC is “focusing”, and it is viewed to augur well for SDI as an intervention and it can be easily utilized across recognized levels of corporate, national, regional, and global.
- (e)
- The TOC is also found to relate to the aspects of challenges with much ease. Most technical organizations dealing with interventions such as SDI prefer to identify challenges associated with the development of systems or infrastructures. Hence, SDI will help them to systematically proffer solutions for the challenges. This will be demonstrated through the SDIOGI proposition later in this paper.
3. SDI Results, Analysis and SDI On-Going Improvement Proposition
3.1. Past Continental Africa SDI Assessments
3.2. The Theory of Constraints Focusing Steps
3.3. SDI On-Going Improvement (SDIOGI) Approach
4. Discussion
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Abbreviations
EAIM | enterprise architecture implementation methodology |
SDI | spatial data infrastructure |
SDIOGI | spatial data infrastructure on-going improvement |
SLR | systematic literature review |
TOC | theory of constraints |
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Types of SDI Assessment Done | SDI Constructs Assessed | ||||||
---|---|---|---|---|---|---|---|
Time | Organizational Points = 12 | Funding Points = 8 | Legal Points = 12 | Technical Data Point = 12 | Metadata Points = 12 | Total Points = 56 | |
Year 2010 and 2016 SDI Assessments | State of Play (SoP) Average Values (Extract, [3]) | 9.11 | 4.67 | 4.37 | 6.45 | 6.11 | 30.70 |
SoP Simple Index (2010) | 0.76 | 0.55 | 0.36 | 0.54 | 0.51 | 0.55 | |
Readiness Index (RI) (Extract, [4]) | Organization | Financial | Human | Technology | Informational | ||
Overall (2016) | 0.58 | 0.47 | 0.47 | 0.53 | 0.54 | 0.50 |
Time | Steps | Theoretical Aspect: Theory of Constraints Process of On-Going Improvement [40] | Conceptual Aspect: Spatial Data Infrastructure (SDI) Progression | Spatial Data Infrastructure (SDI) Process Description |
---|---|---|---|---|
Implementation and Assessment Over Time | 1 | Define the system’s GOAL. | Define SDI (Corporate, Local, State, National, Regional, Global) | SDI Development set up with vision and mission statements and well-articulated objectives and goals |
2 | Determine System performance measurements | State SDI Operations Resources and Performance | This step sets the development agenda for an SDI and pronounce input and output needs over a particular time of implementation | |
3 | Identifying the System’s constraints | Identify SDI Constraints | All development constraints are identified and the primary constraint that is considered highly inhibitive to SDI development to progress is identified. e.g., Legal Framework | |
4 | Exploiting the System’s constraints | Prioritizing SDI Constraints | SDI Development processes, being undertaken by ensuring that the SDI constraint(s) identified in step 3 is solved and removed from inhibiting SDI progression. e.g., Ensuring that Legal Framework is in place as a pre-requisite to commencing SDI | |
5 | Subordinating of System’s Constraints | SDI Constraint Subordination | SDI Development processes are subordinated to the identified main constraint to ensure that the identified major constraint is solved first. | |
6 | Elevation of System’s Constraint | SDI Assessment Mechanism | Undertaking SDI Assessment at some point in time to objectively absolve the constraint identified in step 3 and remove it from the weak link bracket | |
7 | Go Back to Step 1 or 3 but Avoid Inertia | New Constraints Frontiers back to Step 3 | Further Constraint exploitation or Identifying new main constraint (go back to step 3) following SDI Assessment performed in Step 6. |
Time | Steps | SDI On-Going Improvement | Composite Constraints | Underlying Constraints |
---|---|---|---|---|
Year 2010-Implementation and Assessment Over Time—Year 2016 | 1 | Define SDI. | National | State, Local, Corporate, Objectives, Goals |
2 | State SDI Operations Resources and Performance | Country Stated Inputs/Outputs | SDI inputs/outputs for State, Local and Corporate | |
3 | Identify SDI Constraints. ([3], 2010) | Organizational, Funding, Legal, Technical Data and Metadata with lowest index scale | Coordinator, Stakeholder-Participation, Political-Influence, Budget, Self-Sustenance, Data-Pricing Law, Data Use Law, Data Creation Law, Interagency Data-Coordination, Data Standards, Electronic Data Access, Metadata Captured, Metadata Standard, Clearinghouse data Communications | |
4 | Prioritising SDI Constraints | Select and exploit Composite Constraint with lowest index scale | Select and exploit all the related Underlying Constraints with lowest index scales | |
5 | SDI Constraint Subordination | State Composite Constraints Subject to Subordination | State underlying constraints that will be subject to subordination | |
6 | SDI Assessment Mechanism. ([4], 2016) | SDI Assessment based on the Multiview SDI Assessment framework | Institute SDI Assessment based on the Multiview SDI Assessment framework (select suitable method, in this case SDI Readiness Index). | |
7 | New Constraints Frontiers back to 1 or 3 | Determine new constraint as per the SDI assessment | Determine related primary constraint SDI components. |
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Maphale, L.; Smit, J.L. A Theoretical Proposition for Spatial Data Infrastructure On-Going Improvement. ISPRS Int. J. Geo-Inf. 2021, 10, 9. https://doi.org/10.3390/ijgi10010009
Maphale L, Smit JL. A Theoretical Proposition for Spatial Data Infrastructure On-Going Improvement. ISPRS International Journal of Geo-Information. 2021; 10(1):9. https://doi.org/10.3390/ijgi10010009
Chicago/Turabian StyleMaphale, Lopang, and Julian L. Smit. 2021. "A Theoretical Proposition for Spatial Data Infrastructure On-Going Improvement" ISPRS International Journal of Geo-Information 10, no. 1: 9. https://doi.org/10.3390/ijgi10010009