SWObjects
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| Original author(s) | Eric Prud'hommeaux |
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| Development status | Active |
| Written in | C++, Yacc[1] |
| Operating system | Cross-platform |
| Size | 7.2 MB (Windows) 17.2 MB (Mac OS X) 8.7 MB (Linux) (all archived) |
| Available in | English |
| Type | Semantic Web database Ontology Transformation |
| License | APL/MIT License[citation needed] |
| Website | sourceforge wiki |
SWObjects is a free and open source Semantic Web toolkit for query transformation.
Contents |
[edit] Functionality
[edit] Ontology Projection
Given a rule R12 translating from ontology1 to ontology2, a query phrased in terms of ontology2 can be transformed to work on ontology1. The result of this is you have no need to materialize ontology transformations, merely declare them by rule.
[edit] Rule styles
d2r uses RDF expressions associating RDF predicates to relational tables/attributes. SWObjects uses SPARQL CONSTRUCT rules.
[edit] Requirements
[edit] References
- [1], Nature Tutorial: Query Federation with SWObjects
- [2], A Journey to Semantic Web Query Federation in Life Sciences
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