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» Using an Oracle Repository to Accelerate XPath Queries
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GEOINFO
2003
13 years 7 months ago
Efficient Query Processing on the Relational Quadtree
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...
Hans-Peter Kriegel, Peter Kunath, Martin Pfeifle, ...
DAIS
2006
13 years 7 months ago
PAGE: A Distributed Infrastructure for Fostering RDF-Based Interoperability
This paper shows how to build a scalable, robust and efficient distributed Internet-scale RDF repository, that we name PAGE (Put And Get Everywhere). 1 Motivation In the recent yea...
Emanuele Della Valle, Andrea Turati, Alessandro Gh...
BMCBI
2008
140views more  BMCBI 2008»
13 years 5 months ago
GORouter: an RDF model for providing semantic query and inference services for Gene Ontology and its associations
Background: The most renowned biological ontology, Gene Ontology (GO) is widely used for annotations of genes and gene products of different organisms. However, there are shortcom...
Qingwei Xu, Yixiang Shi, Qiang Lu, Guo-qing Zhang,...
PVLDB
2008
128views more  PVLDB 2008»
13 years 5 months ago
Implementing filesystems by tree-aware DBMSs
With the rise of XML, the database community has been challenged by semi-structured data processing. Since the data type behind XML is the tree, state-of-the-art RDBMSs have learn...
Alexander Holupirek, Marc H. Scholl
SIGMOD
2007
ACM
162views Database» more  SIGMOD 2007»
14 years 6 months ago
Effective and efficient update of xml in RDBMS
Querying XML effectively and efficiently using declarative languages such as XQuery and XPath has been widely studied in both academic and industrial settings. Most RDBMS vendors ...
Zhen Hua Liu, Muralidhar Krishnaprasad, James W. W...