Sciweavers

492 search results - page 96 / 99
» Computing aggregations in database query languages
Sort
View
SAC
2010
ACM
14 years 4 months ago
Inductive reasoning and semantic web search
Extensive research activities are recently directed towards the Semantic Web as a future form of the Web. Consequently, Web search as the key technology of the Web is evolving tow...
Claudia d'Amato, Floriana Esposito, Nicola Fanizzi...
CLUSTER
2009
IEEE
14 years 4 months ago
Analyzing massive astrophysical datasets: Can Pig/Hadoop or a relational DBMS help?
Abstract— As the datasets used to fuel modern scientific discovery grow increasingly large, they become increasingly difficult to manage using conventional software. Parallel d...
Sarah Loebman, Dylan Nunley, YongChul Kwon, Bill H...
PODS
2004
ACM
158views Database» more  PODS 2004»
14 years 10 months ago
Composing Schema Mappings: Second-Order Dependencies to the Rescue
A schema mapping is a specification that describes how data structured under one schema (the source schema) is to be transformed into data structured under a different schema (the...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
DEXA
2009
Springer
151views Database» more  DEXA 2009»
14 years 4 months ago
Automatic Extraction of Ontologies Wrapping Relational Data Sources
Describing relational data sources (i.e. databases) by means of ontologies constitutes the foundation of most of the semantic based approaches to data access and integration. In sp...
Lina Lubyte, Sergio Tessaris
VLDB
2005
ACM
126views Database» more  VLDB 2005»
14 years 3 months ago
Hubble: An Advanced Dynamic Folder Technology for XML
A significant amount of information is stored in computer systems today, but people are struggling to manage their documents such that the information is easily found. XML is a de...
Ning Li, Joshua Hui, Hui-I Hsiao, Kevin S. Beyer