MULTI-AGENT SYSTEM FOR KNOWLEDGE-BASED RECOMMENDATION OF LEARNING OBJECTS

General information

Authors:
Paula Andrea RODRÍGUEZ MARÍN, Néstor DUQUE, Demetrio OVALLE

DOI:
10.14201/ADCAIJ2015418089

Volume:
Regular Issue 4 (1), 2015

Keywords:

Clustering techniques; learning objects; metadata; multi-agent systems; recommendation systems

Learning Object (LO) is a content unit being used within virtual learning environments, which -once found and retrieved- may assist students in the teaching - learning process. Such LO search and retrieval are recently supported and enhanced by data mining techniques. In this sense, clustering can be used to find groups holding similar LOs so that from obtained groups, knowledge-based recommender systems (KRS) can recommend more adapted and relevant LOs. In particular, prior knowledge come from LOs previously selected, liked and ranked by the student to whom the recommendation will be performed. In this paper, we present a KRS for LOs, which uses a conventional clustering technique, namely K-means, aimed at finding similar LOs and delivering resources adapted to a specific student. Obtained promising results show that proposed KRS is able to both retrieve relevant LO and improve the recommendation precision.

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