Keyphrases
- web services
- application programming interface
- knowledge representation
- semantic web
- source code
- psoa ruleml
- publish subscribe
- rule language
- information integration
- semantic web technologies
- owl ontologies
- high level
- application developers
- object oriented databases
- open source
- open world
- rdf knowledge bases
- semantic annotation
- third party
- case study
- mashup
- knowledge base
- google maps
- user friendly
- lightweight
- website
- metadata