27756 search results - page 189 / 5552 » Process Query Systems |
146
Voted
CIKM
2010
Springer
15 years 22 days ago
2010
Springer
Search nodes are single-purpose components of large Web search engines and their efficient implementation is critical to sustain thousands of queries per second and guarantee indi...
120
Voted
PODS
2010
ACM
15 years 7 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
140
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DEXA
2009
Springer
15 years 9 months ago
2009
Springer
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...
105
Voted
CLEF
2003
Springer
15 years 8 months ago
2003
Springer
: The basic line of our action is first to use natural language processing to prune the texts and the query, and secondly to use an ontology to expand the queries. Last year The sy...
191
Voted
SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
Suppose a long-running analytical query is executing on a database server and has been allocated a large amount of physical memory. A high-priority task comes in and we need to ru...