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EDOC
2011
IEEE
12 years 7 months ago
UML Metamodel-based Workflow Modeling and Execution
—In this paper, we present a UML metamodel-based approach for creating and executing workflow models. The modeling language is introduced through its abstract syntax, and an eval...
Jens Brüning, Martin Gogolla
EMNLP
2011
12 years 7 months ago
Relation Extraction with Relation Topics
This paper describes a novel approach to the semantic relation detection problem. Instead of relying only on the training instances for a new relation, we leverage the knowledge l...
Chang Wang, James Fan, Aditya Kalyanpur, David Gon...
ICIP
2002
IEEE
14 years 9 months ago
Exploiting group structure to improve retrieval accuracy and speed in image databases
Most image retrieval systems perform a linear search over the database to find the closest match to a query. However, databases usually exhibit a natural grouping structure into c...
Nuno Vasconcelos
WWW
2007
ACM
14 years 8 months ago
Ontology engineering using volunteer labor
We describe an approach designed to reduce the costs of ontology development through the use of untrained, volunteer knowledge engineers. Results are provided from an experiment i...
Benjamin M. Good, Mark D. Wilkinson
VLDB
2007
ACM
136views Database» more  VLDB 2007»
14 years 8 months ago
A STEP Towards Realizing Codd's Vision of Rendezvous with the Casual User
This demonstration showcases the STEP system for natural language access to relational databases. In STEP an administrator authors a highly structured semantic grammar through cou...
Michael Minock