Abstract
The model described here is based on the theory of Formal Concept Analysis (FCA). Each document is represented in a Concept Lattice: a structured organisation of concepts according to a subsumption relation and is encoded in a Bidirectional Associative Memory (BAM): a two-layer heterogeneous neural network architecture. The document retrieval process is viewed as a continuous conversation between queries and documents, during which documents are allowed to learn a consistent set of significant concepts to help its retrieval. A reinforcement learning strategy based on relevance feedback information makes the similarity of relevant documents stronger and nonrelevant documents weaker for each query.
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Rajapakse, R.K., Denham, M. (2002). Concept Based Adaptive IR Model Using FCA-BAM Combination for Concept Representation and Encoding. In: Crestani, F., Girolami, M., van Rijsbergen, C.J. (eds) Advances in Information Retrieval. ECIR 2002. Lecture Notes in Computer Science, vol 2291. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45886-7_11
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DOI: https://doi.org/10.1007/3-540-45886-7_11
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