Sciweavers

977 search results - page 117 / 196
» An Algebraic Approach to Data Mining: Some Examples
Sort
View
KDD
2007
ACM
155views Data Mining» more  KDD 2007»
16 years 6 months ago
A framework for community identification in dynamic social networks
We propose frameworks and algorithms for identifying communities in social networks that change over time. Communities are intuitively characterized as "unusually densely kni...
Chayant Tantipathananandh, Tanya Y. Berger-Wolf, D...
KDD
2007
ACM
122views Data Mining» more  KDD 2007»
16 years 6 months ago
Expertise modeling for matching papers with reviewers
An essential part of an expert-finding task, such as matching reviewers to submitted papers, is the ability to model the expertise of a person based on documents. We evaluate seve...
David M. Mimno, Andrew McCallum
KDD
2004
ACM
162views Data Mining» more  KDD 2004»
16 years 6 months ago
Discovering Links Between Lexical and Surface Features in Questions and Answers
Information retrieval systems, based on keyword match, are evolving to question answering systems that return short passages or direct answers to questions, rather than URLs point...
Soumen Chakrabarti
SDM
2007
SIAM
117views Data Mining» more  SDM 2007»
15 years 7 months ago
Summarizing Review Scores of "Unequal" Reviewers
A frequently encountered problem in decision making is the following review problem: review a large number of objects and select a small number of the best ones. An example is sel...
Hady Wirawan Lauw, Ee-Peng Lim, Ke Wang
DAGSTUHL
2004
15 years 7 months ago
Knowledge-Based Sampling for Subgroup Discovery
Subgroup discovery aims at finding interesting subsets of a classified example set that deviates from the overall distribution. The search is guided by a so-called utility function...
Martin Scholz