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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
BXML
2004
13 years 10 months ago
Query Reformulation for the XML standards XPath, XQuery and XSLT
: Whenever transformation of data is used to bridge the gap of different data formats, and a query is given in the destination format, query reformulation can speed up the transfor...
Sven Groppe, Stefan Böttcher
ICDE
2005
IEEE
240views Database» more  ICDE 2005»
14 years 10 months ago
Adaptive Processing of Top-K Queries in XML
The ability to compute top-k matches to XML queries is gaining importance due to the increasing number of large XML repositories. The efficiency of top-k query evaluation relies o...
Amélie Marian, Divesh Srivastava, Nick Koud...
ICDE
2007
IEEE
145views Database» more  ICDE 2007»
14 years 10 months ago
Fast Identification of Relational Constraint Violations
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
Amit Chandel, Nick Koudas, Ken Q. Pu, Divesh Sriva...
DASFAA
2003
IEEE
142views Database» more  DASFAA 2003»
14 years 1 months ago
GLASS: A Graphical Query Language for Semi-Structured Data
The increase in the use of XML (eXtensible Markup Language) makes the semistructured data more and more important on the Web. To exploit the full power of XML documents, a query l...
Wei Ni, Tok Wang Ling