951 search results - page 65 / 191 » Groupwise Processing of Relational Queries |
SIGMOD
2002
ACM
15 years 10 months ago
2002
ACM
Recently several important relational database tasks such as index selection, histogram tuning, approximate query processing, and statistics selection have recognized the importan...
ICIP
2007
IEEE
15 years 11 months ago
2007
IEEE
Querying by Visual Thesaurus (VT) is a novel paradigm for content-based image retrieval approaches for it gives the user the possibility, in case of inappropriate starting example...
VLDB
1994
ACM
15 years 2 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
SIGMOD
2000
ACM
15 years 2 months ago
2000
ACM
We present WSQ/DSQ (pronounced “wisk-disk”), a new approach for combining the query facilities of traditional databases with existing search engines on the Web. WSQ, for Web-S...
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WWW
2011
ACM
14 years 4 months ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...