2608 search results - page 95 / 522 » Inferring Answers to Queries |
DASFAA
2004
IEEE
15 years 3 months ago
2004
IEEE
Iceberg queries are a special case of SQL queries involving GROUP BY and HAVING clauses, wherein the answer set is small relative to the database size. We present here a performanc...
212
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ICDE
2007
IEEE
16 years 1 months ago
2007
IEEE
We study the problem of answering queries posed on virtual views of XML documents, a problem commonly encountered when enforcing XML access control and integrating data. We approa...
102
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AAAI
1990
15 years 1 months ago
1990
The Symbolic Probabilistic Inference (SPI) Algorithm [D'Ambrosio, 19891 provides an efficient framework for resolving general queries on a belief network. It applies the conc...
116
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LPAR
2007
Springer
15 years 6 months ago
2007
Springer
We study the data complexity of instance checking and conjunctive query answering in the EL family of description logics, with a particular emphasis on the boundary of tractability...
CAV
2005
Springer
15 years 5 months ago
2005
Springer
Recent work on weighted-pushdown systems shows how to generalize interprocedural-dataflow analysis to answer “stack-qualified queries”, which answer the question “what data...