add minimal osl example eln file (#104)

* add minimal osl example eln file

* fix: move internal types to schema:additionalType

Refs: #103, #69

* docs: add README.md for OpenSemanticLab example

README.md

@@ -32,5 +32,5 @@ Generally working with some quirks here and there.
 | [Rspace](https://www.researchspace.com/)          | ✅ | ✅ | [RSpace](https://github.com/TheELNConsortium/TheELNFileFormat/tree/master/examples/RSpace)     |
 | [NOMAD](https://nomad-lab.eu)                     | ✅ |   |     |
 | [LinkAhead](https://getlinkahead.com/)            | ✅ |   |     |
-
+| [OpenSemanticLab](https://github.com/OpenSemanticLab) | ✅ | ✅ | [OpenSemanticLab](https://github.com/TheELNConsortium/TheELNFileFormat/tree/master/examples/OpenSemanticLab)    |
 

examples/OpenSemanticLab/README.md

@@ -0,0 +1,35 @@
+[OpenSemanticLab](https://github.com/OpenSemanticLab) implementation is part of the [osw-python](https://github.com/OpenSemanticLab/osw-python) package.
+
+It utilises the following schemas to populate the RO-Crate JSON-LD Graph:
+- [osw:ElnEntry](https://opensemantic.world/id/Category-3AOSW0e7fab2262fb4427ad0fa454bc868a0d) -> [schema:Dataset](https://schema.org/Dataset)
+- [osw:Organization](https://opensemantic.world/id/Category-3AOSW1969007d5acf40539642877659a02c23) -> [schema:Organization](https://schema.org/Organization)
+- [osw:Person](https://opensemantic.world/id/Category-3AOSW44deaa5b806d41a2a88594f562b110e9) -> [schema:Person](https://schema.org/Person)
+- [osw:Project](https://opensemantic.world/id/Category-3AOSWb2d7e6a2eff94c82b7f1f2699d5b0ee3) -> [schema:Project](https://schema.org/Project)
+- [osw:Keyword](https://opensemantic.world/id/Category-3AOSW09f6cdd54bc54de786eafced5f675cbe) -> [schema:DefinedTerm](https://schema.org/DefinedTerm)
+- [osw:Tool](https://opensemantic.world/id/Category-3AOSWe427aafafbac4262955b9f690a83405d) -> [schema:HowToTool](https://schema.org/HowToTool)
+- [osw:File](https://opensemantic.world/id/Category-3AOSW11a53cdfbdc24524bf8ac435cbf65d9d) -> [schema:CreativeWork](https://schema.org/CreativeWork)
+
+Currently the following additional mapping context is applied:
+
+```json
+"@context": [
+    "https://w3id.org/ro/crate/1.1/context",
+    {
+        "type": {"@id": "schema:additionalType", "@type": "@id"},
+        "rdf_type": "@type",
+        "description": {"@id": "schema:description", "@context": {
+            "text": "@value",
+            "lang": "@lang",
+        }},
+        "about": {"@id": "schema:about", "@type": "@id"},
+        "conforms_to": {"@id": "conformsTo", "@type": "@id"},
+        "date_created": "dateCreated",
+        "publisher": {"@id": "schema:sdPublisher", "@type": "@id"},
+        "date_published": "schema:datePublished",
+        "has_part": {"@id": "schema:hasPart", "@type": "@id", "@container": "@set"},
+        "start_date_time": "schema:dateCreated",
+        "creator": {"@id": "schema:author", "@type": "@id"},
+        "website": "url",
+    }
+]
+```