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» A Category of Explicit Fusions
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ICML
2007
IEEE
14 years 8 months ago
Mixtures of hierarchical topics with Pachinko allocation
The four-level pachinko allocation model (PAM) (Li & McCallum, 2006) represents correlations among topics using a DAG structure. It does not, however, represent a nested hiera...
David M. Mimno, Wei Li, Andrew McCallum
WWW
2007
ACM
14 years 8 months ago
First-order focused crawling
This paper reports a new general framework of focused web crawling based on "relational subgroup discovery". Predicates are used explicitly to represent the relevance cl...
Qingyang Xu, Wanli Zuo
KDD
2006
ACM
176views Data Mining» more  KDD 2006»
14 years 8 months ago
A framework for analysis of dynamic social networks
Finding patterns of social interaction within a population has wide-ranging applications including: disease modeling, cultural and information transmission, and behavioral ecology...
Tanya Y. Berger-Wolf, Jared Saia
ICALP
2009
Springer
14 years 8 months ago
The Number of Symbol Comparisons in QuickSort and QuickSelect
Abstract We revisit the classical QuickSort and QuickSelect algorithms, under a complexity model that fully takes into account the elementary comparisons between symbols composing ...
Brigitte Vallée, James Allen Fill, Julien C...
SIGMOD
2008
ACM
158views Database» more  SIGMOD 2008»
14 years 8 months ago
Stretch 'n' shrink: resizing queries to user preferences
We present Stretch `n' Shrink, a query design framework that explicitly takes into account user preferences about the desired answer size, and subsequently modifies the query...
Chaitanya Mishra, Nick Koudas