Sciweavers

521 search results - page 54 / 105
» A Probabilistic Framework for Answer Selection in Question A...
Sort
View
GEOS
2009
Springer
14 years 9 days ago
Towards Reasoning Pragmatics
Abstract. The realization of Semantic Web reasoning is central to substantiating the Semantic Web vision. However, current mainstream research on this topic faces serious challenge...
Pascal Hitzler
CSR
2009
Springer
13 years 11 months ago
Characterizing the Existence of Optimal Proof Systems and Complete Sets for Promise Classes
In this paper we investigate the following two questions: Q1: Do there exist optimal proof systems for a given language L? Q2: Do there exist complete problems for a given promise ...
Olaf Beyersdorff, Zenon Sadowski
SIGMOD
2007
ACM
181views Database» more  SIGMOD 2007»
14 years 7 months ago
Progressive and selective merge: computing top-k with ad-hoc ranking functions
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
Dong Xin, Jiawei Han, Kevin Chen-Chuan Chang
SIGIR
2008
ACM
13 years 7 months ago
On iterative intelligent medical search
Searching for medical information on the Web has become highly popular, but it remains a challenging task because searchers are often uncertain about their exact medical situation...
Gang Luo, Chunqiang Tang
WS
2006
ACM
14 years 1 months ago
Modeling Ad-hoc rushing attack in a negligibility-based security framework
In this paper, we propose a formal notion of network security for ad hoc networks. We adopt a probabilistic security framework, that is, security is defined by a polynomially bou...
Jiejun Kong, Xiaoyan Hong, Mario Gerla