710 search results - page 56 / 142 » Querying continuous functions in a database system |
185
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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...
188
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or real-time query responses in ...
166
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ICDE
2007
IEEE
16 years 14 days ago
2007
IEEE
Adaptive query processing is of utmost importance for the scalability of data stream processing systems due to the long-running queries and fluctuating stream characteristics. An...
145
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DMSN
2006
ACM
16 years 4 days ago
2006
ACM
This paper presents a novel research direction in the field of sensor data management. It concerns transactional support in heterogeneous large scale sensor systems. Besides well...
155
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SIGMOD
1999
ACM
15 years 10 months ago
1999
ACM
We explore the execution of queries with client-site userdefined functions (UDFs). Many UDFs can only be executed at the client site, for reasons of scalability, security, confide...