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Such triples are illegal due to RDF standard, and they break at least some of the storage engines: see https://github.com/RDFLib/rdflib-sqlalchemy/issues/85
The full working example is here: https:…
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Dear all,
there are two known implementations of the famous Einstein's riddle (zebra puzzle) in OWL:
- http://persons.iis.nsk.su/en/person/ponom/ontologies (by Denis Ponomaryov, ALCOIF expressivit…
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## Overall structure
General introduction followed by WoT specifics
## Goals
MUST:
- Introduce essential Semantic Web technologies (RDF, Linked Data, JSON-LD, Knowledge Graphs, SPARQL)
- Introduc…
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In late 2018 we achieved a lot with OWL-RL.
We successfully released v5.0, we ported it to python3, changed the python package name from RDFClosure to owlrl, and we got the package published on [pypi…
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Reported by **clange** and assigned to **fmance**
Migrated from http://trac.informatik.uni-bremen.de:8080/hets/ticket/987
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For background on this ticket, see #986 and the file https://svn-agbkb.…
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PySHACL is maturing and becoming an increasingly powerful and relevant tool for validating SHACL. I believe it is the go-to tool for SHACL validation on the commandline, and should be easily accessibl…
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When I first import `brickschema` I get the warnings below. I installed `pip install brickschema[reasonable]` in a new 3.8.6 venv.
```
/home/david/.pyenv/versions/3.8.6/envs/brick/lib/python3.8/si…
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Description
Semantic artefacts should be serialized in the formats developed in the context of the Semantic Web and Linked Data i.e. OWL, OBO, RDF, SKOS. Semantic repositories should provide a Link…
ghost updated
3 years ago
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Perhaps for Challenges 34 & 36 (pp. 259, 270) in Semantic Web for the Working Ontologist
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SQWRL queries use LOTS of memory. Am I doing something wrong? Here is my KnowledgeBase class (I'm using Scala, but I don't think it makes a very big difference):
https://gist.github.com/DainTorson…