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CIKM
2010
Springer
13 years 8 months ago
Structural annotation of search queries using pseudo-relevance feedback
Marking up queries with annotations such as part-of-speech tags, capitalization, and segmentation, is an important part of many approaches to query processing and understanding. D...
Michael Bendersky, W. Bruce Croft, David A. Smith
ICDM
2002
IEEE
123views Data Mining» more  ICDM 2002»
14 years 2 months ago
Towards Automatic Generation of Query Taxonomy: A Hierarchical Query Clustering Approach
Previous works on automatic query clustering most generate a flat, un-nested partition of query terms. In this work, we are pursuing to organize query terms into a hierarchical s...
Shui-Lung Chuang, Lee-Feng Chien
DEBU
2008
139views more  DEBU 2008»
13 years 9 months ago
Testing SQL Server's Query Optimizer: Challenges, Techniques and Experiences
Query optimization is an inherently complex problem, and validating the correctness and effectiveness of a query optimizer can be a task of comparable complexity. The overall proc...
Leo Giakoumakis, César A. Galindo-Legaria
VLDB
2002
ACM
126views Database» more  VLDB 2002»
13 years 9 months ago
Plan Selection Based on Query Clustering
Query optimization is a computationally intensive process, especially for complex queries. We present here a tool, called PLASTIC, that can be used by query optimizers to amortize...
Antara Ghosh, Jignashu Parikh, Vibhuti S. Sengar, ...
EDBT
2009
ACM
115views Database» more  EDBT 2009»
14 years 4 months ago
Top-k dominating queries in uncertain databases
Due to the existence of uncertain data in a wide spectrum of real applications, uncertain query processing has become increasingly important, which dramatically differs from handl...
Xiang Lian, Lei Chen 0002