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- W2083177395 abstract "Keyword-based online book retrieval can not fully understand the user's query intent. Query expansion is a typical solution, but the rate of recall and precision is still very low in existing methods. In response to these problems, this paper presents a semantic query expansion method based on domain ontology and local co-occurrence probability model. First, ontology reasoning and concepts related calculation are used to obtain the initial expansion terms. Furthermore, the local co-occurrence probability model is used to filter the candidate expansion terms and the filtering function is used for secondary selection. Experiment results show that this method can effectively improve retrieval efficiency." @default.
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- W2083177395 date "2015-01-01" @default.
- W2083177395 modified "2023-09-28" @default.
- W2083177395 title "A Study of Semantic Query Expansion Based on Domain Ontology and Local Co-Occurrence Probability Model" @default.
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- W2083177395 doi "https://doi.org/10.4028/www.scientific.net/amm.731.231" @default.
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