1039 search results - page 48 / 208 » Query reformulation with constraints |
117
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EMNLP
2008
15 years 5 months ago
2008
Web-search queries are known to be short, but little else is known about their structure. In this paper we investigate the applicability of part-of-speech tagging to typical Engli...
238
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SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present Con...
137
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PODS
1999
ACM
15 years 8 months ago
1999
ACM
In this paper we consider the problem of the logical characterization of the notion of consistent answer in a relational database that may violate given integrity constraints. Thi...
148
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SIGMOD
1999
ACM
15 years 8 months ago
1999
ACM
We address the problem of query rewriting for TSL, a language for querying semistructured data. We develop and present an algorithm that, given a semistructured query q and a set ...
215
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VLDB
2007
ACM
16 years 4 months ago
2007
ACM
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...