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» Location-dependent query processing: Where we are and where ...
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PVLDB
2010
121views more  PVLDB 2010»
13 years 2 months ago
Efficient RkNN Retrieval with Arbitrary Non-Metric Similarity Measures
A RkNN query returns all objects whose nearest k neighbors contain the query object. In this paper, we consider RkNN query processing in the case where the distances between attri...
Deepak P, Prasad Deshpande
SIGMOD
2002
ACM
114views Database» more  SIGMOD 2002»
14 years 7 months ago
Time-parameterized queries in spatio-temporal databases
Time-parameterized queries (TP queries for short) retrieve (i) the actual result at the time that the query is issued, (ii) the validity period of the result given the current mot...
Yufei Tao, Dimitris Papadias
KDD
2006
ACM
121views Data Mining» more  KDD 2006»
14 years 8 months ago
Query-time entity resolution
The goal of entity resolution is to reconcile database references corresponding to the same real-world entities. Given the abundance of publicly available databases where entities...
Indrajit Bhattacharya, Lise Getoor, Louis Licamele
VLDB
1998
ACM
120views Database» more  VLDB 1998»
13 years 11 months ago
Algorithms for Querying by Spatial Structure
: Structural queries constitute a special form of content-basedretrieval where the user specifiesa set of spatial constraints among query variables and asks for all configurations ...
Dimitris Papadias, Nikos Mamoulis, Vasilis Delis
EDBT
2006
ACM
191views Database» more  EDBT 2006»
14 years 7 months ago
Parallelizing Skyline Queries for Scalable Distribution
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. Current skyline computation methods are rest...
Ping Wu, Caijie Zhang, Ying Feng, Ben Y. Zhao, Div...