427 search results - page 39 / 86 » Conjunctive Query Answering in EL using a Database System |
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Text documents often embed data that is structured in nature, and we can expose this structured data using information extraction technology. By processing a text database with inf...
INEX
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. Can a system designed primarily for the purpose of databasetype storage and retrieval be used for information-retrieval tasks? This was one of the questions that led us t...
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
We propose PASTE, the first differentially private aggregation algorithms for distributed time-series data that offer good practical utility without any trusted server. PASTE add...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
Webcams, microphones, pressure gauges and other sensors provide exciting new opportunities for querying and monitoring the physical world. In this paper we focus on querying wide ...
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
Statistical estimation and approximate query processing have become increasingly prevalent applications for database systems. However, approximation is usually of little use witho...