2858 search results - page 270 / 572 » Logics with Aggregate Operators |
196
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SENSYS
2003
ACM
15 years 12 months ago
2003
ACM
Simple in-network data aggregation (or fusion) techniques for sensor networks have been the focus of several recent research efforts, but they are insufficient to support advance...
186
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SIGMOD
2010
ACM
15 years 11 months ago
2010
ACM
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
169
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SIGMOD
1995
ACM
15 years 10 months ago
1995
ACM
We study the problem of e cient maintenance of materialized views that may contain duplicates. This problem is particularly important when queries against such views involve aggre...
264
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
Enterprise mashup scenarios often involve feeds derived from data created primarily for eye consumption, such as email, news, calendars, blogs, and web feeds. These data sources c...
157
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
XML Schema awareness has been an integral part of the XQuery language since its early design stages. Matching XML data against XML types is the main operation that backs up XQuery...