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As many recent applications require integration of structured data and text data, unifying database (DB) and information retrieval (IR) technologies has become one of major challenges in our field. There have been active discussions on the system architecture for DB-IR integration, but a clear agreement has not been reached yet. Along this direction, we have advocated the use of the tight-coupling...
We propose XIR-Linear, a method for efficiently evaluating linear path expressions (LPEs) on large-scale heterogeneous XML documents using information retrieval (IR) techniques. LPEs are the primary form of XPath queries, and their evaluation techniques have been researched actively. XPath queries in their general form are partial match queries, and these queries are particularly useful for searching...
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