Sciweavers

522 search results - page 34 / 105
» Answering Aggregation Queries in a Secure System Model
Sort
View
74
Voted
ASIAN
2005
Springer
96views Algorithms» more  ASIAN 2005»
15 years 3 months ago
Query Incentive Networks
The concurrent growth of on-line communities exhibiting large-scale social structure, and of large decentralized peer-to-peer file-sharing systems, has stimulated new interest in...
Prabhakar Raghavan
172
Voted
ICDE
2006
IEEE
188views Database» more  ICDE 2006»
15 years 11 months ago
Efficiently Evaluating Order Preserving Similarity Queries over Historical Market-Basket Data
We introduce a new domain-independent framework for formulating and efficiently evaluating similarity queries over historical data, where given a history as a sequence of timestam...
Reza Sherkat, Davood Rafiei
SIGIR
2005
ACM
15 years 3 months ago
Question answering passage retrieval using dependency relations
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
Hang Cui, Renxu Sun, Keya Li, Min-Yen Kan, Tat-Sen...
95
Voted
WS
2006
ACM
15 years 4 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
SIGMOD
2003
ACM
196views Database» more  SIGMOD 2003»
15 years 10 months ago
Aurora: A Data Stream Management System
The Aurora system [1] is an experimental data stream management system with a fully functional prototype. It includes both a graphical development environment, and a runtime syste...
Daniel J. Abadi, Donald Carney, Ugur Çetint...