2043 search results - page 262 / 409 » The Limits of Querying Ontologies |
AAAI
2008
13 years 11 months ago
2008
Search engines present fix-length passages from documents ranked by relevance against the query. In this paper, we present and compare novel, language-model based methods for extr...
ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
Auditing the changes to a database is critical for identifying malicious behavior, maintaining data quality, and improving system performance. But an accurate audit log is a histor...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
We study several transparent techniques for scaling dynamic content web sites, and we evaluate their relative impact when used in combination. Full transparency implies strong dat...
PERCOM
2009
ACM
14 years 10 months ago
2009
ACM
Abstract--Presence, broadly defined as an event publishnotification infrastructure for converged applications, has emerged as a key mechanism for collecting and disseminating conte...
EDBT
2008
ACM
14 years 9 months ago
2008
ACM
Users often do not require a complete answer to their query but rather only a sample. They expect the sample to be either the largest possible or the most representative (or both)...