| API | Description | Category | Updated |
|---|---|---|---|
| British Museum | Museum linked data service | Education | 2011-11-15 |
| Elsevier Linked Data Repository | Semantic metadata service | Reference | 2012-12-06 |
| Extractiv | Semantic text extraction service | Internet | 2011-01-27 |
| geocoder | Geocoding services for US | Mapping | 2006-02-15 |
| iServe | Semantic web service description and discovery service | Search | 2012-11-30 |
| legislation.gov.uk | UK legislation information service | Government | 2011-10-31 |
| Open Library | Library data access | Reference | 2008-05-07 |
| Refinder | Cross-repository search service | Search | 2012-11-30 |
| Scholarometer | Scholar impact rating service | Reference | 2012-11-30 |
| SISSVoc | Interoperable spatial information service | Mapping | 2012-05-04 |
| SOCH | Swedish cultural resource search service | Search | 2012-08-23 |
| Swoogle | Semantic data search | Tagging | 2008-11-30 |
| Vapour | Linked data/RDF format validator service | Internet | 2012-07-17 |





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