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Issue No.06 - June (2009 vol.21)
pp: 785-799
Hai Zhuge , Institute of Computing Technology, Chinese Academy of Sciences, Beijing
The World Wide Web provides plentiful contents for Web-based learning, but its hyperlink-based architecture connects Web resources for browsing freely rather than for effective learning. To support effective learning, an e-learning system should be able to discover and make use of the semantic communities and the emerging semantic relations in a dynamic complex network of learning resources. Previous graph-based community discovery approaches are limited in ability to discover semantic communities. This paper first suggests the Semantic Link Network (SLN), a loosely coupled semantic data model that can semantically link resources and derive out implicit semantic links according to a set of relational reasoning rules. By studying the intrinsic relationship between semantic communities and the semantic space of SLN, approaches to discovering reasoning-constraint, rule-constraint, and classification-constraint semantic communities are proposed. Further, the approaches, principles, and strategies for discovering emerging semantics in dynamic SLNs are studied. The basic laws of the semantic link network motion are revealed for the first time. An e-learning environment incorporating the proposed approaches, principles, and strategies to support effective discovery and learning is suggested.
Community discovery, e-learning, emerging semantics, semantic community, Semantic Link Network.
Hai Zhuge, "Communities and Emerging Semantics in Semantic Link Network: Discovery and Learning", IEEE Transactions on Knowledge & Data Engineering, vol.21, no. 6, pp. 785-799, June 2009, doi:10.1109/TKDE.2008.141
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