1039 search results - page 58 / 208 » Query reformulation with constraints |
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BIOINFORMATICS
2011
14 years 9 months ago
2011
Abstract. This document is a preprint of the following publication: Bioinformatics (2011) 27(8): 1166-1167. Algorithms for sparse data require fast search and subset selection capa...
240
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ICDT
2009
ACM
16 years 6 months ago
2009
ACM
We study the problem of querying data sources that accept only a limited set of queries, such as sources accessible by Web services which can implement very large (potentially inf...
255
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ICDE
2009
IEEE
16 years 7 months ago
2009
IEEE
Many location-based services require rich and expressive query language support for filtering large amounts of information. In prominent location-based services thousands of conti...
256
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VLDB
2001
ACM
16 years 6 months ago
2001
ACM
Abstract In this paper we present a mechanism for approximately translating Boolean query constraints across heterogeneous information sources. Achieving the best translation is ch...
166
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KDD
2004
ACM
16 years 6 months ago
2004
ACM
In this paper we provide a fast, data-driven solution to the failing query problem: given a query that returns an empty answer, how can one relax the query's constraints so t...