Sciweavers

662 search results - page 2 / 133
» An Evaluation of Triple-Store Technologies for Large Data St...
Sort
View
SAC
2010
ACM
14 years 6 days ago
Web-based graphical querying of databases through an ontology: the Wonder system
Biological scientists have made large amounts of data available on the Web, which can be accessed by canned or precomputed queries presented via web forms. To satisfy further info...
Diego Calvanese, C. Maria Keet, Werner Nutt, Maria...
WEBI
2010
Springer
13 years 3 months ago
A Scalable Indexing Mechanism for Ontology-Based Information Integration
In recent years, there has been an explosion of publicly available RDF and OWL web pages. Some of these pages are static text files, while others are dynamically generated from la...
Yingjie Li, Abir Qasem, Jeff Heflin
SIGMOD
2010
ACM
364views Database» more  SIGMOD 2010»
13 years 10 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...
DEXAW
2007
IEEE
128views Database» more  DEXAW 2007»
13 years 9 months ago
Sharing Data on the Grid using Ontologies and distributed SPARQL Queries
The vision of the Semantic Web is to make Web content machine-readable. To describe data, the Resource Description Framework has been extended with a schema-level and description ...
Andreas Langegger, Martin Blöchl, Wolfram W&o...
SIGIR
2008
ACM
13 years 5 months ago
Product retrieval for grocery stores
We introduce a grocery retrieval system that maps shopping lists written in natural language into actual products in a grocery store. We have developed the system using nine month...
Petteri Nurmi, Eemil Lagerspetz, Wray L. Buntine, ...