485 search results - page 44 / 97 » Processing complex aggregate queries over data streams |
114
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SIGMOD
2003
ACM
16 years 20 days 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 ...
202
Voted
SIGMOD
2006
ACM
16 years 20 days ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
96
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DAWAK
2007
Springer
15 years 6 months ago
2007
Springer
Abstract. A federated data warehouse is a logical integration of data warehouses applicable when physical integration is impossible due to privacy policy or legal restrictions. In ...
110
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WWW
2008
ACM
16 years 1 months ago
2008
ACM
Because of the high volume and unpredictable arrival rate, stream processing systems may not always be able to keep up with the input data streams-- resulting in buffer overflow a...
ICDE
2007
IEEE
15 years 6 months 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...