LinkedDataHub vs Progress Semaphore
| LinkedDataHub | Progress Semaphore | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | api, Linux, self-hosted, Web | api, Linux, self-hosted, Web, Windows |
| Free plan | Yes | No |
| Ontology modeling | Yes | Yes |
| RDF/SPARQL support | Yes | Yes |
| Graph visualization | Yes | Yes |
| Import formats | CSV, RDF | RDF, Excel spreadsheets |
| Deployment | both | both |
| Query languages | SPARQL 1.1 | SPARQL |
| Semantic reasoning | — | Yes |
Both are listed in Best Knowledge Graph Software. On Samsung Mobile US Press, LinkedDataHub scores higher on our published basis.