DESIGNING AN ONTOLOGY FOR KNOWLEDGE-BASED PROCESSING IN ROMANIAN UNIVERSITY LIBRARIES
DESIGNING AN ONTOLOGY FOR KNOWLEDGE-BASED PROCESSING IN ROMANIAN UNIVERSITY LIBRARIES

Summary/Abstract: The analysis of ontologies’ role in knowledge processing has both theoretical and pragmatic foundations, taking into account that ontologies are a core component of knowledge representation within the semantic web. The main objective of the Lib2Life ontology is the design of a semantic indexing and search system for digitized documents shared by the Romanian central university libraries. This project has a high degree of innovation considering the fact that, at national scale, there is no dedicated platform that aggregates the joint collection of digitized documents. Thus, our aim is to identify a suitable data model to corresponding map topics and improve content discovery in a digital university library. The methodology for ontology design includes: (a) ontology purpose setup; (b) conceptualization of the subject domains; (c) formalization; (d) implementation; (e) evaluation and maintenance. The conceptualization stage involves defining the glossary of terms, as well as building taxonomies for 17 specific categories. Afterwards, the ontology was semantically enhanced with properties and axioms (i.e., description of binary relations, class attributes, instance attributes, and class and property axioms). Our model was designed using the Protégé editor and we used OWL as the ontology standard language. Several SPARQL queries were used to highlight potential use cases and argue for the adequacy of our conceptualization. These queries could be performed to search for a specific book or author, or for generating a summary for the given criterion.

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