2145 search results - page 69 / 429 » Answering Queries Using Views |
151
Voted
DBSEC
2006
15 years 4 months ago
2006
Most state-of-the-art approaches of securing XML documents are based on a partial annotation of an XML tree with security labels which are later propagated to unlabeled nodes of th...
136
Voted
SIGIR
2005
ACM
15 years 8 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...
113
Voted
CIKM
2003
Springer
15 years 7 months ago
2003
Springer
We present a strategy for answering fact-based natural language questions that is guided by a characterization of realworld user queries. Our approach, implemented in a system cal...
254
Voted
ICDE
2008
IEEE
16 years 4 months ago
2008
IEEE
Abstract-- Workflow systems have become increasingly popular for managing experiments where many bioinformatics tasks are chained together. Due to the large amount of data generate...
125
Voted
MFCS
2009
Springer
15 years 9 months ago
2009
Springer
We study visibly pushdown automata (VPA) models for expressing and evaluating queries, expressed using MSO formulas, on words with a nesting structure (like XML documents). We de�...