620 search results - page 54 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
157
Voted
WWW
2011
ACM
14 years 11 months ago
2011
ACM
The ability to aggregate huge volumes of queries over a large population of users allows search engines to build precise models for a variety of query-assistance features such as ...
135
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WWW
2006
ACM
16 years 4 months ago
2006
ACM
We introduce the notion of query substitution, that is, generating a new query to replace a user's original search query. Our technique uses modifications based on typical su...
134
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ECAI
1998
Springer
15 years 7 months ago
1998
Springer
Abstract. We extend different Description Logics by concrete domains (such as integers and reals) and by aggregation functions over these domains (such as min;max;count;sum), which...
125
Voted
DBPL
2007
Springer
15 years 10 months ago
2007
Springer
BPQL is a novel query language for querying business process specifications, introduced recently in [5, 6]. It is based on an intuitive business processes as rewriting systems, an...
139
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SIGMOD
2003
ACM
16 years 4 months ago
2003
ACM
While the XML Stylesheet Language for Transformations (XSLT) was not designed as a query language, it is well-suited for many query-like operations on XML documents including sele...