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WIDM
2004
ACM
15 years 12 months ago
Probabilistic models for focused web crawling
A Focused crawler must use information gleaned from previously crawled page sequences to estimate the relevance of a newly seen URL. Therefore, good performance depends on powerfu...
Hongyu Liu, Evangelos E. Milios, Jeannette Janssen
VLDB
1999
ACM
89views Database» more  VLDB 1999»
15 years 10 months ago
Physical Data Independence, Constraints, and Optimization with Universal Plans
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
Alin Deutsch, Lucian Popa, Val Tannen
SP
1998
IEEE
106views Security Privacy» more  SP 1998»
15 years 10 months ago
Understanding Java Stack Inspection
Current implementations of Java make security decisions by searching the runtime call stack. These systems have attractive security properties, but they have been criticized as be...
Dan S. Wallach, Edward W. Felten
ATAL
2007
Springer
15 years 10 months ago
A multilateral multi-issue negotiation protocol
In this paper, we present a new protocol to address multilateral multi-issue negotiation in a cooperative context. We consider complex dependencies between multiple issues by mode...
Miniar Hemaissia, Amal El Fallah-Seghrouchni, Chri...
PAKDD
2010
ACM
167views Data Mining» more  PAKDD 2010»
15 years 10 months ago
Resource-Bounded Information Extraction: Acquiring Missing Feature Values on Demand
We present a general framework for the task of extracting specific information “on demand” from a large corpus such as the Web under resource-constraints. Given a database wit...
Pallika Kanani, Andrew McCallum, Shaohan Hu