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ICDT
2012
ACM
293views Database» more  ICDT 2012»
11 years 11 months ago
On the complexity of query answering over incomplete XML documents
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
Amélie Gheerbrant, Leonid Libkin, Tony Tan
ICDE
2007
IEEE
218views Database» more  ICDE 2007»
14 years 10 months ago
SKYPEER: Efficient Subspace Skyline Computation over Distributed Data
Skyline query processing has received considerable attention in the recent past. Mainly, the skyline query is used to find a set of non dominated data points in a multidimensional...
Akrivi Vlachou, Christos Doulkeridis, Yannis Kotid...
ICDE
2007
IEEE
158views Database» more  ICDE 2007»
14 years 10 months ago
Efficient Evaluation of Imprecise Location-Dependent Queries
In location-based services, it is common for a user to issue a query based on his/her current position. One such example is "find the available cabs within two miles of my cu...
Jinchuan Chen, Reynold Cheng
SIGMOD
2008
ACM
161views Database» more  SIGMOD 2008»
14 years 9 months ago
Efficient pattern matching over event streams
Pattern matching over event streams is increasingly being employed in many areas including financial services, RFIDbased inventory management, click stream analysis, and electroni...
Jagrati Agrawal, Yanlei Diao, Daniel Gyllstrom, Ne...
VLDB
2001
ACM
92views Database» more  VLDB 2001»
14 years 1 months ago
Fast Evaluation Techniques for Complex Similarity Queries
Complex similarity queries, i.e., multi-feature multi-object queries, are needed to express the information need of a user against a large multimedia repository. Even if a user in...
Klemens Böhm, Michael Mlivoncic, Hans-Jö...