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» A New Perspective on Collection Selection
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CN
1999
242views more  CN 1999»
13 years 8 months ago
Focused Crawling: A New Approach to Topic-Specific Web Resource Discovery
The rapid growth of the World-Wide Web poses unprecedented scaling challenges for general-purpose crawlers and search engines. In this paper we describe a new hypertext resource d...
Soumen Chakrabarti, Martin van den Berg, Byron Dom
COMPLEXITY
2004
108views more  COMPLEXITY 2004»
13 years 8 months ago
On the convergence of a factorized distribution algorithm with truncation selection
nical Abstract Optimization is to find the "best" solution to a problem where the quality of a solution can be measured by a given criterion. Estimation of Distribution A...
Qingfu Zhang
BTW
2009
Springer
132views Database» more  BTW 2009»
14 years 1 months ago
A Bayesian Approach to Estimating the Selectivity of Conjunctive Predicates
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
M. Heimel, Volker Markl, Keshava Murthy
ICIP
2005
IEEE
14 years 10 months ago
A spatio-temporal model of the selective human visual attention
A new spatio-temporal model for simulating the bottomup visual attention is proposed. It has been built from numerous important properties of the Human Visual System (HVS). This p...
Olivier Le Meur, Dominique Thoreau, Patrick Le Cal...
KDD
2005
ACM
122views Data Mining» more  KDD 2005»
14 years 8 months ago
Pattern lattice traversal by selective jumps
Regardless of the frequent patterns to discover, either the full frequent patterns or the condensed ones, either closed or maximal, the strategy always includes the traversal of t...
Osmar R. Zaïane, Mohammad El-Hajj