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ICFP
2009
ACM
16 years 4 months ago
Causal commutative arrows and their optimization
re a popular form of abstract computation. Being more general than monads, they are more broadly applicable, and in parare a good abstraction for signal processing and dataflow co...
Hai Liu, Eric Cheng, Paul Hudak
KDD
2002
ACM
170views Data Mining» more  KDD 2002»
16 years 4 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...
126
Voted
CIAC
2003
Springer
98views Algorithms» more  CIAC 2003»
15 years 8 months ago
Improving Customer Proximity to Railway Stations
Abstract. We consider problems of (new) station placement along (existing) railway tracks, so as to increase the number of users. We prove that, in spite of the NP-hardness for the...
Evangelos Kranakis, Paolo Penna, Konrad Schlude, D...
136
Voted
SDM
2004
SIAM
207views Data Mining» more  SDM 2004»
15 years 5 months ago
BAMBOO: Accelerating Closed Itemset Mining by Deeply Pushing the Length-Decreasing Support Constraint
Previous study has shown that mining frequent patterns with length-decreasing support constraint is very helpful in removing some uninteresting patterns based on the observation t...
Jianyong Wang, George Karypis
150
Voted
WWW
2005
ACM
16 years 4 months ago
Topic segmentation of message hierarchies for indexing and navigation support
Message hierarchies in web discussion boards grow with new postings. Threads of messages evolve as new postings focus within or diverge from the original themes of the threads. Th...
Jong Wook Kim, K. Selçuk Candan, Mehmet Emi...