Abstract
Presently, the most notable challenges associated with repositories in resolving problems of searches of digital resources, lie in providing an understanding of resource classification according to a knowledge representation scheme and the relationship between them. However, one of the areas with very little research in the field is the study of visual search interfaces that provide access to relevant materials in digital repositories; more specifically, in the access of digital resources according to areas and sub-areas of a particular knowledge domain through a taxonomy classification. In this article, we focus in proposing a best practice for the search and access to relevant digital resources in repositories through visualization techniques. The article presents a prototype tool as one possible approach to facilitate searches and access to digital resources. Finally, we present the conclusions and future work in the field in order to improve access to relevant materials in digital repositories.
Highlights
In recent years, digital repositories have had a representative impact on their technological development due to exponential increase in the number of digital resources published (Margaryan & Littlejohn, 2008)
Users were assisted by various zooming techniques, and so they were able to approach the most relevant learning objects restricted by additional search criteria applied to the number of remaining objects
In the same way, (R2 = 0.46) and less than p-value (p-value
Summary
Digital repositories have had a representative impact on their technological development due to exponential increase in the number of digital resources published (Margaryan & Littlejohn, 2008) This growth of digital resources has led to the development of several strategies in different areas: i) (in terms of technology) the development of distributed repositories, heterogeneous repos-itories and federations of repositories as central access points to each of them (McGreal, 2008), ii) (in terms of semantics) the use of linking knowledge classification schemes by using ontologies and thesauri to provide a better understanding and organization of digital resources, and iii) (in terms of access) the design of strategies to offer metadata description. The findings revealed serious design-related interfaces problems, when defining input formats in queries and search results for display in the browser
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