2145 search results - page 117 / 429 » Answering Queries Using Views |
118
Voted
PODS
2002
ACM
16 years 3 months ago
2002
ACM
We study two classes of view update problems in relational databases. We are given a source database S, a monotone query Q, and the view Q(S) generated by the query. The first pro...
122
Voted
NDQA
2003
15 years 4 months ago
2003
Research on Question Answering has produced an arsenal of useful techniques for detecting answers that are explicitly present in the text of a collection of documents. To move bey...
130
Voted
SIGMOD
2011
ACM
14 years 6 months ago
2011
ACM
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
135
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EDBTW
2010
Springer
15 years 6 months ago
2010
Springer
Business Intelligence (BI) applications allow their users to query, understand, and analyze existing data within their organizations in order to acquire useful knowledge, thus mak...
222
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SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...