2608 search results - page 178 / 522 » Inferring Answers to Queries |
200
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ICDT
2007
ACM
16 years 19 days ago
2007
ACM
Query containment is a fundamental problem of databases. Given two queries q1 and q2, it asks whether the set of answers to q1 is included in the set of answers to q2 for any datab...
187
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ICDT
2010
ACM
15 years 11 months ago
2010
ACM
In XML data exchange, a schema mapping specifies rules for restructuring a source document under the target schema, and queries over the target document must be answered in a way...
201
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CIKM
2006
Springer
15 years 10 months ago
2006
Springer
Relational databases are widely used today as a mechanism for providing access to structured data. They, however, are not suitable for typical information finding tasks of end use...
191
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ADC
2000
Springer
15 years 10 months ago
2000
Springer
Answering range queries is a common database operation. Methods based on hashing techniques to minimise the cost of answering range queries by taking the query distribution into a...
172
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DAGSTUHL
2007
15 years 8 months ago
2007
Abstract. Moving objects produce trajectories, which are stored in databases by means of finite samples of time-stamped locations. When also speed limitations in these sample poin...