Sciweavers

111 search results - page 16 / 23
» Incomplete Information in Relational Temporal Databases
Sort
View
RULEML
2007
Springer
14 years 2 months ago
Querying the Semantic Web with SWRL
The SWRLTab is a development environment for working with SWRL rules in Protégé-OWL. It supports the editing and execution of SWRL rules. It also provides mechanisms to allow int...
Martin J. O'Connor, Samson W. Tu, Csongor Nyulas, ...
PODS
2008
ACM
165views Database» more  PODS 2008»
14 years 8 months ago
Data exchange and schema mappings in open and closed worlds
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
Leonid Libkin, Cristina Sirangelo
ICDE
1998
IEEE
119views Database» more  ICDE 1998»
14 years 10 months ago
Processing Incremental Multidimensional Range Queries in a Direct Manipulation Visual Query
We have developed a MultiMedia Visual Information Seeking (MMVIS) Environment that is the first system to support an integrated approach to the direct manipulation specification o...
Stacie Hibino, Elke A. Rundensteiner
SIGIR
2006
ACM
14 years 2 months ago
Thread detection in dynamic text message streams
Text message stream is a newly emerging type of Web data which is produced in enormous quantities with the popularity of Instant Messaging and Internet Relay Chat. It is benefici...
Dou Shen, Qiang Yang, Jian-Tao Sun, Zheng Chen
EDBT
2006
ACM
127views Database» more  EDBT 2006»
14 years 8 months ago
Progressive Query Optimization for Federated Queries
Federated queries are regular relational queries accessing data on one or more remote relational or non-relational data sources, possibly combining them with tables stored in the ...
Stephan Ewen, Holger Kache, Volker Markl, Vijaysha...