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SEMWEB
2004
Springer
15 years 2 months ago
An Initial Investigation into Querying an Untrustworthy and Inconsistent Web
The Semantic Web is bound to be untrustworthy and inconsistent. In this paper, we present an initial approach for obtaining useful information in such an environment. In particular...
Yuanbo Guo, Jeff Heflin
VLDB
2004
ACM
96views Database» more  VLDB 2004»
15 years 2 months ago
Answering XPath Queries over Networks by Sending Minimal Views
When a client submits a set of XPath queries to a XML database on a network, the set of answer sets sent back by the database may include redundancy in two ways: some elements may...
Keishi Tajima, Yoshiki Fukui
PODS
2004
ACM
120views Database» more  PODS 2004»
15 years 9 months ago
Locally Consistent Transformations and Query Answering in Data Exchange
Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema. Given a source instance, there may be many solutions ? ta...
Marcelo Arenas, Pablo Barceló, Ronald Fagin...
ICDE
1996
IEEE
178views Database» more  ICDE 1996»
15 years 10 months ago
Query Folding
Query folding refers to the activity of determining if and how a query can be answered using a given set of resources, which might be materialized views, cached results of previou...
Xiaolei Qian
EDBT
2008
ACM
123views Database» more  EDBT 2008»
15 years 9 months ago
XML data integration in SixP2P: a theoretical framework
In the paper we discuss the problem of data integration in a P2P environment. In such setting each peer stores schema of its local data, mappings between the schema and schemas of...
Tadeusz Pankowski