Sciweavers

120 search results - page 15 / 24
» SemanticTwig: A Semantic Approach to Optimize XML Query Proc...
Sort
View
CIKM
2010
Springer
13 years 6 months ago
Query optimization for ontology-based information integration
In recent years, there has been an explosion of publicly available RDF and OWL data sources. In order to effectively and quickly answer queries in such an environment, we present...
Yingjie Li, Jeff Heflin
VLDB
2006
ACM
115views Database» more  VLDB 2006»
14 years 8 months ago
Integrating document and data retrieval based on XML
For querying structured and semistructured data, data retrieval and document retrieval are two valuable and complementary techniques that have not yet been fully integrated. In thi...
Jan-Marco Bremer, Michael Gertz
BDA
2006
13 years 9 months ago
Type-Based XML Projection
XML data projection (or pruning) is one of the main optimization techniques recently adopted in the context of main-memory XML query-engines. The underlying idea is quite simple: ...
Véronique Benzaken, Giuseppe Castagna, Dari...
DEXAW
2007
IEEE
81views Database» more  DEXAW 2007»
14 years 2 months ago
User Feedback in Probabilistic Integration
Data integration approaches mostly attempt to resolve semantic uncertainty and conflicts between data sources during the data integration process. In some application areas, this...
Ander de Keijzer, Maurice van Keulen
SIGMOD
2007
ACM
162views Database» more  SIGMOD 2007»
14 years 8 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...