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IDEAS
2007
IEEE
118views Database» more  IDEAS 2007»
16 years 11 days ago
A Two Layered Approach for Querying Integrated XML Sources
The problem of data integration (query decomposition, data fragmentation) has been widely studied in literature, but the inherent hierarchical nature of XML data presents problems...
Felipe Victolla Silveira, Carlos A. Heuser
VLDB
2004
ACM
111views Database» more  VLDB 2004»
15 years 11 months ago
A Framework for Using Materialized XPath Views in XML Query Processing
XML languages, such as XQuery, XSLT and SQL/XML, employ XPath as the search and extraction language. XPath expressions often define complicated navigation, resulting in expensive...
Andrey Balmin, Fatma Özcan, Kevin S. Beyer, R...
FODO
1998
Springer
214views Algorithms» more  FODO 1998»
15 years 9 months ago
Querying Composite Objects in Semistructured Data
In this paper, we propose an entity-based style of queries for semistructured data. First, we partition a semistructured data into subgraphs corresponding to real-world entities, ...
Keishi Tajima
GIS
2004
ACM
16 years 7 months ago
Query processing in a geographic mediation system
Despite various interoperability recommendations, heterogeneity of Geographic Information Systems (GIS) is still an issue. This led to an increasing need for a data integration sy...
François-Marie Colonna, Mehdi Essid, Omar B...
UML
2004
Springer
15 years 11 months ago
Query Models
The need for querying software artifacts is a new emerging design issue in modern software development. Novel techniques such as Model-Driven Architecture or Aspect-Oriented Softwa...
Dominik Stein, Stefan Hanenberg, Rainer Unland