ICDT
2007
ACM
14 years 3 months ago
2007
ACM
In this investigation we propose a novel summarization method of Web pages using hierarchical expression. We discuss close relationship between summarization and hierarchical clust...
ICDT
2007
ACM
14 years 3 months ago
2007
ACM
Abstract. We introduce approximate data exchange, by relaxing classical data exchange problems such as Consistency and Typechecking to their approximate versions based on Property ...
ICDT
2007
ACM
14 years 3 months ago
2007
ACM
Abstract. We review key constraints in the context of XML as introduced by Buneman et al. We show that one of the proposed inference rules is not sound in general, and the axiomati...
ICDT
2007
ACM
14 years 3 months ago
2007
ACM
Uncertain information is commonplace in real-world data management scenarios. The ability to represent large sets of possible instances (worlds) while supporting efficient storage ...
ICDT
2007
ACM
14 years 5 months ago
2007
ACM
ICDT
2007
ACM
14 years 5 months ago
2007
ACM
ICDT
2007
ACM
14 years 5 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 5 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 5 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 5 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 ...