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» A Theory of Spatio-Temporal Database Queries
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IPSN
2009
Springer
14 years 2 months ago
Automating rendezvous and proxy selection in sensornets
As the diversity of sensornet use cases increases, the combinations of environments and applications that will coexist will make custom engineering increasingly impractical. We in...
David Chu, Joseph M. Hellerstein
CIKM
2009
Springer
14 years 2 months ago
A machine learning approach for improved BM25 retrieval
Despite the widespread use of BM25, there have been few studies examining its effectiveness on a document description over single and multiple field combinations. We determine t...
Krysta Marie Svore, Christopher J. C. Burges
CIKM
2009
Springer
14 years 2 months ago
Online anonymity for personalized web services
To receive personalized web services, the user has to provide personal information and preferences, in addition to the query itself, to the web service. However, detailed personal...
Yabo Xu, Ke Wang, Guoliang Yang, Ada Wai-Chee Fu
DEXA
2005
Springer
176views Database» more  DEXA 2005»
14 years 1 months ago
Control-Based Quality Adaptation in Data Stream Management Systems
Unlike processing snapshot queries in a traditional DBMS, the processing of continuous queries in a data stream management system (DSMS) needs to satisfy quality requirements such ...
Yi-Cheng Tu, Mohamed Hefeeda, Yuni Xia, Sunil Prab...
DBPL
1997
Springer
117views Database» more  DBPL 1997»
13 years 11 months ago
Degrees of Monotonicity of Spatial Transformations
We consider spatial databases that can be defined in terms of polynomial inequalities, and we are interested in monotonic transformations of spatial databases. We investigate a hi...
Bart Kuijpers