522 search results - page 34 / 105 » Answering Aggregation Queries in a Secure System Model |
ASIAN
2005
Springer
14 years 1 months ago
2005
Springer
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...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
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...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
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...
WS
2006
ACM
14 years 1 months ago
2006
ACM
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...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
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...