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ADBIS
2009
Springer
127views Database» more  ADBIS 2009»
14 years 5 days ago
Window Update Patterns in Stream Operators
Continuous queries applied over nonterminating data streams usually specify windows in order to obtain an evolving –yet restricted– set of tuples and thus provide timely result...
Kostas Patroumpas, Timos K. Sellis
ICDE
2002
IEEE
181views Database» more  ICDE 2002»
13 years 10 months ago
YFilter: Efficient and Scalable Filtering of XML Documents
Soon, much of the data exchanged over the Internet will be encoded in XML, allowing for sophisticated filtering and content-based routing. We have built a filtering engine called ...
Yanlei Diao, Peter M. Fischer, Michael J. Franklin...
GISCIENCE
2010
Springer
231views GIS» more  GISCIENCE 2010»
13 years 6 months ago
Efficient Data Collection and Event Boundary Detection in Wireless Sensor Networks Using Tiny Models
Using wireless geosensor networks (WGSN), sensor nodes often monitor a phenomenon that is both continuous in time and space. However, sensor nodes take discrete samples, and an ana...
Kraig King, Silvia Nittel
SIGMOD
2010
ACM
267views Database» more  SIGMOD 2010»
13 years 10 months ago
Processing proximity relations in road networks
Applications ranging from location-based services to multi-player online gaming require continuous query support to monitor, track, and detect events of interest among sets of mov...
Zhengdao Xu, Hans-Arno Jacobsen
DMSN
2009
ACM
14 years 2 days ago
Validated cost models for sensor network queries
Generating a good execution plan for a declarative query has long been a central problem in data management research. With the rise in interest in wireless sensor networks (WSNs) ...
Christian Y. A. Brenninkmeijer, Ixent Galpin, Alva...