Revista GTI

Vol. 14 No. 40 (2015): Revista GTI
Artículos de Investigación Científica e Innovación

RETRIEVAL OF LEARNING OBJECTS IN REPOSITORIES: AN APPLICATION WITH SEMANTIC SEARCH

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  • NÉSTOR DARÍO DUQUE MÉNDEZ,
  • GERMÁN A. OSORIO ZULUAGA
NÉSTOR DARÍO DUQUE MÉNDEZ
Universidad Nacional de Colombia – Sede Manizales
Bio
GERMÁN A. OSORIO ZULUAGA
Universidad Nacional de Colombia – Sede Manizales
Bio

Published 2016-11-04

How to Cite

DUQUE MÉNDEZ, N. D., & OSORIO ZULUAGA, G. A. (2016). RETRIEVAL OF LEARNING OBJECTS IN REPOSITORIES: AN APPLICATION WITH SEMANTIC SEARCH. Revista GTI, 14(40), 43–54. Retrieved from https://revistas.uis.edu.co/index.php/revistagti/article/view/5863

Abstract

In recent years, the number of educational resources stored in repositories of learning objects has increased. For recover them, generally traditional methods searching query terms that match the metadata of the learning objects are used. Precision in search results with these methods remains low. In this sense, this work focused on improving the precision indicator by applying Latent Semantic Analysis technique (LSA) over metadata that describe to learning object. This technique allows approximations for its meaning. In the experiment, it is shown an improvement in precision in the search, as more terms are entered in the query. The implementation could be extended to full-text searches of textual learning objects, if we have access to the full text of the learning object content.

KEYWORDS: Latent Semantic Analysis, LSA, learning objects, learning object repositories, information retrieval

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