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A Semantic-Oriented Approach for Organizing and Developing Annotation for E-Learning
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Brut, Mihaela M.; Sedes, Florence; Dumitrescu, Stefan D. – IEEE Transactions on Learning Technologies, 2011
This paper presents a solution to extend the IEEE LOM standard with ontology-based semantic annotations for efficient use of learning objects outside Learning Management Systems. The data model corresponding to this approach is first presented. The proposed indexing technique for this model development in order to acquire a better annotation of…
Descriptors: Management Systems, Linguistics, Semantics, Electronic Learning
Historical Note: The Past Thirty Years in Information Retrieval.
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Salton, Gerard – Journal of the American Society for Information Science, 1987
Briefly reviews early work in documentation and text processing, and predictions that were made about the creative role of computers in information retrieval. An attempt is made to explain why these predictions were not fulfilled and conclusions are drawn regarding the limits of computer power in text retrieval applications. (Author/CLB)
Descriptors: Automatic Indexing, Documentation, Information Retrieval, Information Technology
A Combination of Expert Opinion Approach to Probabilistic Information Retrieval, Part 1: The Conceptual Model [and] Part 2: Mathematical Treatment of CEO Model 3.
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Thompson, Paul – Information Processing and Management, 1990
These two articles introduce a new model of probablistic information retrieval (PIR) that is based on the statistical technique of the combination of expert opinion (CEO), which in this model is the opinions of indexers and users. Part 1 presents the conceptual basis, while Part 2 explains the mathematical details. (73 references) (LRW)
Descriptors: Documentation, Indexing, Information Retrieval, Information Technology