620 search results - page 43 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
141
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CORR
2004
Springer
15 years 3 months ago
2004
Springer
We introduce an extension of the XQuery language, FluX, that supports event-based query processing and the conscious handling of main memory buffers. Purely event-based queries of...
204
Voted
SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
Consider an XML view defined over a relational database, and a user query specified over this view. This user XML query is typically processed using the following steps: (a) our t...
155
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SIGIR
2009
ACM
15 years 10 months ago
2009
ACM
It is well known that anchor text plays a critical role in a variety of search tasks performed over hypertextual domains, including enterprise search, wiki search, and web search....
108
Voted
HT
2005
ACM
15 years 9 months ago
2005
ACM
This paper introduces a new method for linking the world view of the search engine user community with that of the search engine itself. This new method is based on collecting and...
115
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PVLDB
2010
15 years 2 months ago
2010
This paper addresses the problem of explaining missing answers in queries that include selection, projection, join, union, aggregation and grouping (SPJUA). Explaining missing ans...