ODBIS
2007
Springer
14 years 1 months ago
2007
Springer
There is a growing need to define a semantic mapping from a database schema to an ontology. Such a mapping is an integral part of the data integration systems that use an ontology...
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
Abstract. This paper presents XPeer, a data sharing system for massively distributed XML data. XPeer allows users to publish and query heterogeneous information without any signi...
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
This paper presents an RDF vocabulary for representing data values as resources. An intended application is the representation of relational databases in RDF, and reasoning with th...
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
Abstract. Schema mappings play a central role in both data integration and data exchange, and are understood as high-level specifications describing the relationships between data...
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
We consider the problem of querying data sources that have limited capabilities and can thus only be accessed by complying with certain binding patterns for their attributes. This ...
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
Abstract. Recent studies have proposed structural summary techniques for pathquery evaluation on semi-structured data sources. One major line of this research
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
In this paper, we introduce preferential regular path queries. These are regular path queries whose symbols are annotated with preference weights for “scaling” up or down the i...
ICDT
2007
ACM
14 years 1 months ago
2007
ACM
Abstract. A common approach to XML updates is to extend XQuery with update operations. This approach results in very expressive languages which are convenient for users but are dif...