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GLOBE
2009
Springer
14 years 1 months ago
Designing, Specifying and Querying Metadata for Virtual Data Integration Systems
Abstract. We show how to specify and use the metadata for a virtual and relational data integration system under the local-as-view (LAV) approach. We use XML and RuleML for represe...
Leopoldo E. Bertossi, Gayathri Jayaraman
FQAS
2006
Springer
186views Database» more  FQAS 2006»
14 years 10 days ago
Project-Join-Repair: An Approach to Consistent Query Answering Under Functional Dependencies
Consistent query answering is the term commonly used for the problem of answering queries on databases that violate certain integrity constraints. We address this problem for univ...
Jef Wijsen
EDBT
2006
ACM
150views Database» more  EDBT 2006»
14 years 8 months ago
Improving the Efficiency of XPath Execution on Relational Systems
: This work describes a method for processing XPath on a relational back-end that significantly limits the number of SQL joins required, takes advantage of the strengths of modern ...
Haris Georgiadis, Vasilis Vassalos
W3C
1998
13 years 10 months ago
Query Languages Workshop Position Paper
This paper discusses the use of XML in conjunction with a variety of repositories and database systems, and outlines some of the requirements for an effective query language. Many...
Noah Mendelsohn
SIGMOD
2010
ACM
364views Database» more  SIGMOD 2010»
14 years 1 months ago
Optimizing schema-last tuple-store queries in graphd
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...
Scott M. Meyer, Jutta Degener, John Giannandrea, B...