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» Continuous Query Processing in Spatio-Temporal Databases
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VLDB
2004
ACM
124views Database» more  VLDB 2004»
14 years 2 months ago
Automated Statistics Collection in DB2 UDB
The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...
Ashraf Aboulnaga, Peter J. Haas, Sam Lightstone, G...
DMSN
2006
ACM
14 years 2 months ago
Transactional issues in sensor data management
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...
Levent Gürgen, Claudia Roncancio, Cyril Labb&...
EDBT
2011
ACM
209views Database» more  EDBT 2011»
13 years 5 days ago
An optimal strategy for monitoring top-k queries in streaming windows
Continuous top-k queries, which report a certain number (k) of top preferred objects from data streams, are important for a broad class of real-time applications, ranging from fi...
Di Yang, Avani Shastri, Elke A. Rundensteiner, Mat...
ICASSP
2008
IEEE
14 years 3 months ago
Fast query by example of environmental sounds via robust and efficient cluster-based indexing
There has been much recent progress in the technical infrastructure necessary to continuously characterize and archive all sounds, or more precisely auditory streams, that occur w...
Jiachen Xue, Gordon Wichern, Harvey D. Thornburg, ...
SIGMOD
2009
ACM
218views Database» more  SIGMOD 2009»
14 years 9 months ago
DejaVu: declarative pattern matching over live and archived streams of events
DejaVu is an event processing system that integrates declarative pattern matching over live and archived streams of events on top of a novel system architecture. We propose to dem...
Nihal Dindar, Baris Güç, Patrick Lau, ...