48 search results - page 5 / 10 » Processing count queries over event streams at multiple time... |
109
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VLDB
2010
ACM
14 years 10 months ago
2010
ACM
According to the database outsourcing model, a data owner delegates database functionality to a thirdparty service provider, which answers queries received from clients. Authentic...
AICCSA
2005
IEEE
15 years 5 months ago
2005
IEEE
Data Stream Management Systems are being developed to process continuous queries over multiple data streams. These continuous queries are typically used for monitoring purposes wh...
130
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EDBT
2009
ACM
14 years 9 months ago
2009
ACM
Stream applications gained significant popularity over the last years that lead to the development of specialized stream engines. These systems are designed from scratch with a di...
121
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TKDE
2008
14 years 11 months ago
2008
Data stream management systems need to control their resources adaptively since stream characteristics and query workload may vary over time. In this paper we investigate an approa...
183
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ICDE
2005
IEEE
16 years 1 months ago
2005
IEEE
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...