The TopX DB&IR engine

Martin Theobald,Ralf Schenkel,Gerhard Weikum

SIGMOD Conference（2007）

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摘要

This paper proposes a demo of the TopX search engine, an extensive framework for unified indexing, querying, and ranking of large collections of unstructured, semistructured, and structured data. TopX integrates efficient algorithms for top-k-style ranked retrieval with powerful scoring models for text and XML documents, as well as dynamic and self-tuning query expansion based on background ontologies.

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关键词

topx db,powerful scoring model,topx search engine,ir engine,unified indexing,structured data,large collection,efficient algorithm,xml document,query expansion,extensive framework,background ontology,indexation,information retrieval,search engine,xml

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