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SIGMOD
2009
ACM
258views Database» more  SIGMOD 2009»
16 years 7 months ago
Continuous obstructed nearest neighbor queries in spatial databases
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
Yunjun Gao, Baihua Zheng
ICDT
2010
ACM
211views Database» more  ICDT 2010»
16 years 4 months ago
Probabilistic Data Exchange
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...
Ronald Fagin, Benny Kimelfeld, Phokion Kolaitis
EDBT
2010
ACM
177views Database» more  EDBT 2010»
16 years 2 months ago
Bridging the gap between intensional and extensional query evaluation in probabilistic databases
There are two broad approaches to query evaluation over probabilistic databases: (1) Intensional Methods proceed by manipulating expressions over symbolic events associated with u...
Abhay Jha, Dan Olteanu, Dan Suciu
COMPGEOM
2009
ACM
16 years 1 months ago
Persistent cohomology and circular coordinates
Nonlinear dimensionality reduction (NLDR) algorithms such as Isomap, LLE and Laplacian Eigenmaps address the problem of representing high-dimensional nonlinear data in terms of lo...
Vin de Silva, Mikael Vejdemo-Johansson
COOPIS
2002
IEEE
16 years 6 days ago
An Evolvable Framework for Perceptual Collaborative Applications
The Neem Platform is a research test bed for Project Neem, concerned with the development of socially and culturally aware collaborative systems in a wide range of domains, through...
Paulo Barthelmess, Clarence A. Ellis, The Neem Pla...
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