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» Algebraic Techniques for Timed Systems
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171
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SIGMOD
2009
ACM
137views Database» more  SIGMOD 2009»
16 years 29 days ago
Entity resolution with iterative blocking
Entity Resolution (ER) is the problem of identifying which records in a database refer to the same real-world entity. An exhaustive ER process involves computing the similarities b...
Steven Euijong Whang, David Menestrina, Georgia Ko...
177
Voted
SIGMOD
2007
ACM
146views Database» more  SIGMOD 2007»
16 years 27 days ago
Distributed query evaluation with performance guarantees
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
Gao Cong, Wenfei Fan, Anastasios Kementsietsidis
SIGMOD
2007
ACM
160views Database» more  SIGMOD 2007»
16 years 27 days ago
Supporting ranking and clustering as generalized order-by and group-by
The Boolean semantics of SQL queries cannot adequately capture the "fuzzy" preferences and "soft" criteria required in non-traditional data retrieval applicati...
Chengkai Li, Min Wang, Lipyeow Lim, Haixun Wang, K...
WWW
2010
ACM
15 years 7 months ago
Visualizing differences in web search algorithms using the expected weighted hoeffding distance
We introduce a new dissimilarity function for ranked lists, the expected weighted Hoeffding distance, that has several advantages over current dissimilarity measures for ranked s...
Mingxuan Sun, Guy Lebanon, Kevyn Collins-Thompson
119
Voted
SAC
2010
ACM
15 years 7 months ago
Background knowledge in formal concept analysis: constraints via closure operators
The aim of this short paper is to present a general method of using background knowledge to impose constraints in conceptual clustering of object-attribute relational data. The pr...
Radim Belohlávek, Vilém Vychodil