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SSD
2007
Springer
171views Database» more  SSD 2007»
15 years 3 months ago
Transformation of Continuous Aggregation Join Queries over Data Streams
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
Tri Minh Tran, Byung Suk Lee
MDM
2010
Springer
177views Communications» more  MDM 2010»
15 years 2 months ago
Supporting Continuous Range Queries in Indoor Space
—Range query processing is an important technology in spatial databases. Current studies mainly focus on range queries in outdoor space based on the Euclidean or network distance...
Wenjie Yuan, Markus Schneider
APWEB
2010
Springer
15 years 22 days ago
Multiple Continuous Queries Optimization for Processing RFID Streaming Data
This paper investigates the problem of processing multiple continuous queries over RFID streaming data in RFID middleware. RFID middleware collects and filters RFID sensing data wh...
Haipeng Zhang, Wooseok Ryu, Yongxu Piao, Bonghee H...
SIGMOD
2000
ACM
158views Database» more  SIGMOD 2000»
15 years 1 months ago
NiagaraCQ: A Scalable Continuous Query System for Internet Databases
Continuous queries are persistent queries that allow users to receive new results when they become available. While continuous query systems can transform a passive web into an ac...
Jianjun Chen, David J. DeWitt, Feng Tian, Yuan Wan...
ICMCS
2005
IEEE
132views Multimedia» more  ICMCS 2005»
15 years 3 months ago
Approximating the selectivity of multimedia range queries
This paper introduces a new approach of approximating the selectivity of multimedia range queries. Estimating the selectivity of a range query is a pre-requisite to optimize a mul...
Mario Döller, Harald Kosch