306 search results - page 7 / 62 » Data Exchange: Semantics and Query Answering |
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
The continuous sliding-window query model is used widely in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In ...
FQAS
2009
Springer
14 years 2 months ago
2009
Springer
We consider the problem of finding and ranking paths in semistructured data without necessarily knowing its full structure. The query language we adopt comprises conjunctions of r...
KCAP
2009
ACM
14 years 2 days ago
2009
ACM
PowerAqua1 is a Question Answering system, which takes as input a natural language query and is able to return answers drawn from relevant semantic resources found anywhere on the...
FQAS
2006
Springer
13 years 11 months ago
2006
Springer
Abstract. Research in Cooperative Query answering is triggered by the observation that users are often not able to correctly formulate queries to databases that return the intended...
CORR
2010
Springer
13 years 4 months ago
2010
Springer
Matching dependencies (MDs) are used to declaratively specify the identification (or matching) of certain attribute values in pairs of database tuples when some similarity conditi...