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- W1520590982 abstract "Schema integration has been widely used in many database applications, such as DataWarehousing, Life Science and Ontology Merging. Though schema integration has been intensively studied in recent yeas, it is still a challenging issue, because it is almost impossible to find the perfect target schema. An automatic method to schema integration, which explores multiple possible integrated schemas over a set of source schemas from the same domain, is proposed in this paper. Firstly, the concept graph is introduced to represent the source schemas at a higher-level of abstraction. Secondly, we divide the similarity between concepts into intervals to generate three merging strategies for schemas. Finally, we design a novel top-k ranking algorithm for the automatic generation of the best candidatemediated schemas. The key component of our algorithmis the pruning technique which uses the ordered buffer and the threshold to filter out the candidates. The extensive experimental studies show that our algorithm is effective and runs in polynomial time." @default.
- W1520590982 created "2016-06-24" @default.
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- W1520590982 date "2010-01-01" @default.
- W1520590982 modified "2023-09-22" @default.
- W1520590982 title "Top-K Generation of Mediated Schemas over Multiple Data Sources" @default.
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- W1520590982 doi "https://doi.org/10.1007/978-3-642-14589-6_15" @default.
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