A Segmentation-Based Approach for Approximate Query over Distributed Ontologies.
Yimin WangGuilin QiMin ChenPublished in: ASWC (2008)
Keyphrases
- heterogeneous databases
- communication cost
- query processing
- semantic query
- database
- response time
- distributed systems
- semantic mappings
- exact answers
- segmentation algorithm
- level set
- query evaluation
- segmentation method
- peer to peer
- data sources
- image segmentation
- databases
- information integration
- pre computed
- region growing
- semantically heterogeneous
- user queries
- medical images
- query optimization
- user interaction
- query expansion
- data structure
- approximate matching
- heterogeneous data
- relevance feedback
- distributed environment
- multiscale
- data model
- query execution
- distance computation
- query language
- semantic relationships
- semantic web technologies
- active contours
- knowledge base
- approximate matches