619 search results - page 18 / 124 » Query Planning in Infomaster |
191
Voted
SIGMOD
2005
ACM
16 years 2 months ago
2005
ACM
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
104
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DEBU
2002
15 years 1 months ago
2002
An increasing number of business users and software applications need to process information that is accessible via multiple diverse information systems, such as database systems,...
191
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SIGMOD
2006
ACM
16 years 2 months ago
2006
ACM
This paper presents a principled framework for efficient processing of ad-hoc top-k (ranking) aggregate queries, which provide the k groups with the highest aggregates as results....
113
Voted
VLDB
2002
ACM
15 years 1 months ago
2002
ACM
Star queries are the most prevalent kind of queries in data warehousing, OLAP and business intelligence applications. Thus, there is an imperative need for efficiently processing ...
101
Voted
ICDE
2000
IEEE
15 years 6 months ago
2000
IEEE
We consider an architecture of mediators and wrappers for Internet accessible WebSources of limited query capability. Each call to a source is a WebSource Implementation (WSI) and...