1672 search results - page 122 / 335 » Optimizing Monitoring Queries over Distributed Data |
163
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DMSN
2008
ACM
15 years 8 months ago
2008
ACM
With the ultimate goal of extending the data integration paradigm and query processing capabilities to ad hoc wireless networks, sensors, and stream systems, we consider how to su...
221
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ALT
2009
Springer
16 years 3 months ago
2009
Springer
Abstract. We analyze the expected cost of a greedy active learning algorithm. Our analysis extends previous work to a more general setting in which different queries have differe...
164
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...
163
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CAISE
1999
Springer
15 years 10 months ago
1999
Springer
A common problem within most large corporations nowadays is the diversity of database systems that are employed by their many departments in the development of a product. Usually, ...
188
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SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
This paper describes the methodology and implementation of a data management system for highly distributed systems, which was built to solve the scalability and reliability proble...