81 search results - page 6 / 17 » Syntax and Semantics of Hybrid Database Languages |
ICDT
1995
ACM
13 years 11 months ago
1995
ACM
Partial information in databases can arise when information from several databases is combined. Even if each database is complete for some \world", the combined databases wil...
DEXA
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. We define a formal syntax and semantics for the Rule Definition Language (RDL) of DemaqLite, which is a fragment of the declarative XML message processing system Demaq....
ADBIS
2004
Springer
14 years 27 days ago
2004
Springer
Abstract. We propose a descriptive high-level language XDTrans devoted to specify transformations over XML data. The language is based on unranked tree automata approach. In contra...
AGILE
2007
Springer
2007
Springer
Towards Spatial Reasoning in the Semantic Web: A Hybrid Knowledge Representation System Architecture
14 years 1 months ago
Environmental databases store a wide variety of data from heterogeneous sources which are described with domain-specific terminologies and refer to distinct locations. In order to ...
ER
1999
Springer
13 years 11 months ago
1999
Springer
. When publishing documents on the web, the user needs to describe and classify her documents for the benefit of later retrieval and use. This paper presents an approach to semanti...