365 search results - page 17 / 73 » A Source-to-Source Meta-Translation System for Relational Qu... |
SDB
1995
13 years 11 months ago
1995
Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In...
SIGIR
2005
ACM
14 years 29 days 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...
DEXA
1994
Springer
13 years 11 months ago
1994
Springer
We describe a functional database language OR-SML for handling disjunctive information in database queries, and its implementation on top of Standard ML 12]. The core language has ...
ICDT
2010
ACM
13 years 11 months ago
2010
ACM
Relational data exchange deals with translating a relational database instance over some source schema into a relational database instance over some target schema, according to a ...
VLDB
1999
ACM
13 years 11 months ago
1999
ACM
XML is fast emerging as the dominant standard for representing data in the World Wide Web. Sophisticated query engines that allow users to effectively tap the data stored in XML d...