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IPM
2006
83views more  IPM 2006»
13 years 7 months ago
A risk minimization framework for information retrieval
This paper presents a probabilistic information retrieval framework in which the retrieval problem is formally treated as a statistical decision problem. In this framework, querie...
ChengXiang Zhai, John D. Lafferty
ICDE
2003
IEEE
119views Database» more  ICDE 2003»
14 years 9 months ago
Implementing P3P Using Database Technology
Platform for Privacy Preferences (P3P) is the most significant effort currently underway to enable web users to gain control over their private information. P3P provides mechanism...
Rakesh Agrawal, Jerry Kiernan, Ramakrishnan Srikan...
SEMWEB
2005
Springer
14 years 1 months ago
Preferential Reasoning on a Web of Trust
Abstract. We introduce a framework, based on logic programming, for preferential reasoning with agents on the Semantic Web. Initially, we encode the knowledge of an agent as a logi...
Stijn Heymans, Davy Van Nieuwenborgh, Dirk Vermeir
EDBT
2000
ACM
13 years 11 months ago
A Data Model for Effectively Computable Functions
the research activities. This abstract is to introduce the approach of a data model - EP data model. Its data structure is able to store as a finite set of nodes arbitrary effectiv...
Kevin H. Xu
SIGECOM
2008
ACM
155views ECommerce» more  SIGECOM 2008»
13 years 7 months ago
Tight information-theoretic lower bounds for welfare maximization in combinatorial auctions
We provide tight information-theoretic lower bounds for the welfare maximization problem in combinatorial auctions. In this problem, the goal is to partition m items among k bidde...
Vahab S. Mirrokni, Michael Schapira, Jan Vondr&aac...