Successful PhD dissertation to close the year

Friday 20th of december, IE doctorate student Alejandra Segura presented her thesis defense in the Rectorate building of the University of Alcala. This research work, supervised by IE member Salvador Sanchez and Manuel E. Prieto from the University of Castilla la Mancha, aimed to propose a strategy for query expansion based on domain ontologies. According to this work, it is possible to find an strategy allowing instructional designers to find objects in a repository relevant enough as to be reused in the design of new courses or in the composition of new, more complex resources. To achieve this goal, proposals of query expansions both in the field of information retrieval in general or specifically on learning object repositories were analyzed.

For the purpose of evaluation, an experiment in the area of genetics was designed. This experiment used the Gene Ontology as a knowledge base and the MERLOT repository as a provider of learning objects in this domain. In the picture above these lines, Alejandra during her presentation in front of the evaluation board (left).


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