5130 search results - page 160 / 1026 » Constraint Query Languages |
177
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CDB
2004
Springer
15 years 11 months ago
2004
Springer
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
170
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AMW
2010
15 years 7 months ago
2010
Abstract. Consistent query answering (CQA) is about formally characterizing and computing semantically correct answers to queries posed to a database that may fail to satisfy certa...
158
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NLDB
2007
Springer
16 years 15 days ago
2007
Springer
This paper investigates query translation in cross-lingual information retrieval, especially the challenges caused by ambiguity and polysemi. We base our ideas on feature vectors a...
165
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CHI
2005
ACM
16 years 6 months ago
2005
ACM
We introduce approximate query techniques for searching and analyzing two-dimensional data sets such as line or scatter plots. Our techniques allow users to explore a dataset by d...
277
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Personalization is a powerful mechanism that helps users to cope with the abundance of information on the Web. Database query personalization achieves this by dynamically construc...