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FLAIRS
2007
14 years 14 days ago
Guiding Inference with Policy Search Reinforcement Learning
Symbolic reasoning is a well understood and effective approach to handling reasoning over formally represented knowledge; however, simple symbolic inference systems necessarily sl...
Matthew E. Taylor, Cynthia Matuszek, Pace Reagan S...
GLOBE
2009
Springer
14 years 2 months ago
AGiDS: A Grid-Based Strategy for Distributed Skyline Query Processing
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. A challenging problem is to support skylin...
João B. Rocha-Junior, Akrivi Vlachou, Chris...
ECIR
2006
Springer
13 years 11 months ago
Efficient Phrase Querying with Common Phrase Index
Abstract. In this paper, we propose a common phrase index as an efficient index structure to support phrase queries in a very large text database. Our structure is an extension of ...
Matthew Chang, Chung Keung Poon
GIS
2010
ACM
13 years 8 months ago
Evaluation of cardinal direction developments between moving points
Recently, a wide range of applications like hurricane research, fire management, navigation systems, and transportation, to name only a few, has shown increasing interest in mana...
Tao Chen, Hechen Liu, Markus Schneider
ICDE
2012
IEEE
298views Database» more  ICDE 2012»
12 years 18 days ago
Mapping XML to a Wide Sparse Table
— XML is commonly supported by SQL database systems. However, existing mappings of XML to tables can only deliver satisfactory query performance for limited use cases. In this pa...
Liang Jeff Chen, Philip A. Bernstein, Peter Carlin...