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WEBDB
2010
Springer
155views Database» more  WEBDB 2010»
14 years 1 months ago
Learning Topical Transition Probabilities in Click Through Data with Regression Models
The transition of search engine users’ intents has been studied for a long time. The knowledge of intent transition, once discovered, can yield a better understanding of how diï...
Xiao Zhang, Prasenjit Mitra
CIKM
2008
Springer
13 years 10 months ago
Modeling and exploiting query interactions in database systems
The typical workload in a database system consists of a mixture of multiple queries of different types, running concurrently and interacting with each other. Hence, optimizing per...
Mumtaz Ahmad, Ashraf Aboulnaga, Shivnath Babu, Kam...
GIS
1999
ACM
14 years 1 months ago
A Provably Efficient Computational Model for Approximate Spatiotemporal Retrieval
: The paper is concerned with the effective and efficient processing of spatiotemporal selection queries under varying degrees of approximation. Such queries may employ operators l...
Vasilis Delis, Christos Makris, Spyros Sioutas
ICCS
2005
Springer
14 years 2 months ago
Hierarchical Knowledge Integration Using Layered Conceptual Graphs
Abstract We describe the ‘Hierarchical as View’ approach to knowledge integration from heterogeneous sources. This is based on a novel representation called Layered Conceptual ...
Madalina Croitoru, Ernesto Compatangelo, Chris Mel...
MOC
2010
13 years 3 months ago
A projection-based error analysis of HDG methods
Abstract. We introduce a new technique for the error analysis of hybridizable discontinuous Galerkin (HDG) methods. The technique relies on the use of a new projection whose design...
Bernardo Cockburn, Jayadeep Gopalakrishnan, Franci...