109 search results - page 10 / 22 » Evaluating top-k queries over incomplete data streams |
159
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SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....
112
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PODS
1995
ACM
15 years 1 months ago
1995
ACM
Databases are often incomplete because of the presence of disjunctive information, due to con icts, partial knowledge and other reasons. Queries against such databases often ask q...
CISIS
2009
IEEE
14 years 7 months ago
2009
IEEE
The volume of stream data delivered from different information sources is increasing. There are a variety of demands to utilize such stream data for applications. Stream processin...
SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
Subsequence similarity matching in time series databases is an important research area for many applications. This paper presents a new approximate approach for automatic online s...
RTCSA
2007
IEEE
15 years 3 months ago
2007
IEEE
RFID middleware systems collect and filter RFID streaming data gathered continuously by numerous readers to process requests from applications. These requests are called continuou...