Publicación:
AN EMPIRICAL ANALYSIS OF ONTOLOGY-BASED QUERY EXPANSIÓN FOR LEARNING RESOURCE SEARCHES USING MERLOT AND THE GENE ONTOLOGY

dc.creatorALEJANDRA ANDREA SEGURA NAVARRETE
dc.date2011
dc.date.accessioned2025-01-10T14:31:01Z
dc.date.available2025-01-10T14:31:01Z
dc.date.issued2011
dc.description.abstractTHIS PAPER PROPOSES AN EXPANSION OF QUERIES BASED ON FORMAL DOMAIN ONTOLOGIES IN THE CONTEXT OF THE SEARCH FOR LEARNING RESOURCES IN REPOSITORIES. THE EXPANSION PROCESS USES THE RELATION TYPES THAT ARE REPRESENTED IN THESE MODELS; COMMON ONTOLOGICAL RELATIONS, AND ONTOLOGICAL RELATIONS SPECIFIC TO DOMAIN AND TRADITIONAL TERMINOLOGY RELATIONS, TYPICAL OF THESAURI. THE TESTS WERE CONDUCTED USING GENE ONTOLOGY AS THE KNOWLEDGE BASE AND MERLOT IS USED AS THE TEST REPOSITORY. THE RESULTS OF THIS STUDY CASE INDICATE THAT, AT SIMILAR LEVELS OF PRECISION, EXPANDED QUERIES IMPROVE LEVELS OF NOVELTY AND COVERAGE COMPARED TO THE ORIGINAL QUERY (WITHOUT EXPANSION), I.E. EXPANDED QUERIES ALLOW THE USER TO RETRIEVE RELEVANT OBJECTS, WHICH MIGHT NOT BE OBTAINED WITHOUT EXPANSION.
dc.formatapplication/pdf
dc.identifier.doi10.1016/j.knosys.2010.07.012
dc.identifier.issn1872-7409
dc.identifier.issn0950-7051
dc.identifier.urihttps://repositorio.ubiobio.cl/handle/123456789/7773
dc.languagespa
dc.publisherKNOWLEDGE-BASED SYSTEMS
dc.relation.uri10.1016/j.knosys.2010.07.012
dc.rightsPUBLICADA
dc.titleAN EMPIRICAL ANALYSIS OF ONTOLOGY-BASED QUERY EXPANSIÓN FOR LEARNING RESOURCE SEARCHES USING MERLOT AND THE GENE ONTOLOGY
dc.typeARTÍCULO
dspace.entity.typePublication
ubb.EstadoPUBLICADA
ubb.Otra ReparticionDEPARTAMENTO DE SISTEMAS DE INFORMACION
ubb.SedeCONCEPCIÓN
Archivos