219 search results - page 12 / 44 » Intensional Query Answering: An Application of Partial Evalu... |
109
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DAGSTUHL
1998
15 years 1 months ago
1998
Hypothetical queries are queries embedding hypotheses about the database. The embedded hypothesis in a hypothetical query indicates, so to say, a state of the database intended for...
103
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PAKDD
2004
ACM
15 years 5 months ago
2004
ACM
Abstract. Given a point query Q in multi-dimensional space, K-Nearest Neighbor (KNN) queries return the K closest answers in the database with respect to Q. In this scenario, it is...
184
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ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
We introduce a new domain-independent framework for formulating and efficiently evaluating similarity queries over historical data, where given a history as a sequence of timestam...
205
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ICDE
2002
IEEE
16 years 1 months ago
2002
IEEE
XML and other semi-structured data may have partially specified or missing schema information, motivating the use of a structural summary which can be automatically computed from ...
EDBT
2009
ACM
15 years 3 months ago
2009
ACM
We investigate the problem of refining SQL queries to satisfy cardinality constraints on the query result. This has applications to the many/few answers problems often faced by da...