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» Web Query Optimizer
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130
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WWW
2009
ACM
16 years 3 months ago
Unsupervised query categorization using automatically-built concept graphs
Automatic categorization of user queries is an important component of general purpose (Web) search engines, particularly for triggering rich, query-specific content and sponsored ...
Eustache Diemert, Gilles Vandelle
123
Voted
ESWS
2010
Springer
15 years 7 months ago
Facet Graphs: Complex Semantic Querying Made Easy
While the Semantic Web is rapidly filling up, appropriate tools for searching it are still at infancy. In this paper we describe an approach that allows humans to access informatio...
Philipp Heim, Thomas Ertl, Jürgen Ziegler
122
Voted
ICFP
2008
ACM
16 years 2 months ago
Write it recursively: a generic framework for optimal path queries
Optimal path queries are queries to obtain an optimal path specified by a given criterion of optimality. There have been many studies to give efficient algorithms for classes of o...
Akimasa Morihata, Kiminori Matsuzaki, Masato Takei...
PVLDB
2008
126views more  PVLDB 2008»
15 years 2 months ago
Parallelizing query optimization
Many commercial RDBMSs employ cost-based query optimization exploiting dynamic programming (DP) to efficiently generate the optimal query execution plan. However, optimization tim...
Wook-Shin Han, Wooseong Kwak, Jinsoo Lee, Guy M. L...
APWEB
2004
Springer
15 years 6 months ago
A Query-Dependent Duplicate Detection Approach for Large Scale Search Engines
Duplication of Web pages greatly hurts the perceived relevance of a search engine. Existing methods for detecting duplicated Web pages can be classified into two categories, i.e. o...
Shaozhi Ye, Ruihua Song, Ji-Rong Wen, Wei-Ying Ma