1004 search results - page 41 / 201 » Safe Constraint Queries |
212
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ICDE
2007
IEEE
16 years 4 months ago
2007
IEEE
Skyline query processing has been investigated extensively in recent years, mostly for only one query reference point. An example of a single-source skyline query is to find hotel...
132
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CDB
2004
Springer
15 years 8 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...
125
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AMW
2010
15 years 4 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...
128
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CHI
2005
ACM
16 years 3 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...
226
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SIGMOD
2005
ACM
16 years 3 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...