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KDD
2002
ACM
170views Data Mining» more  KDD 2002»
15 years 10 months ago
Enhanced word clustering for hierarchical text classification
In this paper we propose a new information-theoretic divisive algorithm for word clustering applied to text classification. In previous work, such "distributional clustering&...
Inderjit S. Dhillon, Subramanyam Mallela, Rahul Ku...
ICALP
2009
Springer
15 years 10 months ago
Sorting and Selection with Imprecise Comparisons
Abstract. In experimental psychology, the method of paired comparisons was proposed as a means for ranking preferences amongst n elements of a human subject. The method requires pe...
Avinatan Hassidim, Jelani Nelson, Miklós Aj...
VLDB
2007
ACM
118views Database» more  VLDB 2007»
15 years 9 months ago
Materialized Views in Probabilistic Databases for Information Exchange and Query Optimization
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
Christopher Re, Dan Suciu
VLDB
2008
ACM
110views Database» more  VLDB 2008»
15 years 9 months ago
Enhancing histograms by tree-like bucket indices
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
Francesco Buccafurri, Gianluca Lax, Domenico SaccÃ...
PODS
2006
ACM
134views Database» more  PODS 2006»
15 years 9 months ago
Finding global icebergs over distributed data sets
Finding icebergs ? items whose frequency of occurrence is above a certain threshold ? is an important problem with a wide range of applications. Most of the existing work focuses ...
Qi Zhao, Mitsunori Ogihara, Haixun Wang, Jun Xu