294 search results - page 6 / 59 » Relation between Semantic Completeness and Syntax Completene... |
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
ADBIS
2005
Springer
14 years 1 months ago
2005
Springer
In today’s integrating information systems data fusion, i.e., the merging of multiple tuples about the same real-world object into a single tuple, is left to ETL tools and other ...
DEXA
2009
Springer
14 years 2 months ago
2009
Springer
In this article we define a new type of integrity constraint in XML, called an XML inclusion constraint (XIND), and show that it extends the semantics of a relational inclusion de...
POPL
2004
ACM
14 years 8 months ago
2004
ACM
The contribution of the paper is twofold. First, we define a general notion of type system equipped with an entailment relation between type environments; this generalisation serv...
ACL
2006
13 years 9 months ago
2006
Semantic parsing is the task of mapping natural language sentences to complete formal meaning representations. The performance of semantic parsing can be potentially improved by u...