This module wraps sparqlprog, providing a Python API for executing logic program queries over SPARQL endpoints.
Example:
from prologterms import TermGenerator, PrologRenderer, Program, Var
from sparqlprog import SPARQLProg
P = TermGenerator()
S = SPARQLProg(endpoint='wd')
C = Var('C')
N = Var('N')
# logic programming query: continent(C), enlabel(C,N)
query = (P.continent(C), P.enlabel(C, N))
for r in S.query(query):
print(f"{r['C']} {r['N']}")Example Notebooks
See:
Installation
To install
python3 -m venv venv source venv/bin/activate export PYTHONPATH=.:$PYTHONPATH pip install -r requirements.txt
You will need access to a sparqlprog service. You can use the public one on Heroku (default) or run your own.
Running your own is easy if you have Docker:
docker run -p 9083:9083 cmungall/sparqlprog
You can then pass http://localhost:9083 as the service URL parameter. E.g
Query wikidata for continents and their names:
./sparqlprog.py -u http://localhost:9083 -e wd “continent(X),enlabel(X,N)”
You can also use the default service on heroku, but it is not guaranteed to be running:
./sparqlprog.py -e wd “continent(X), enlabel(X,N)”
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Release files for sparqlprog 0.0.3
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Source distribution (sdist)
| File | Size | Uploaded | |
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| sparqlprog-0.0.3.tar.gz | 3.8 kB | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| sparqlprog-0.0.3-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 8.7 kB
Release files / sparqlprog-0.0.3.tar.gz
| Download URL | sparqlprog-0.0.3.tar.gz |
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| Size | 3.8 kB |
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Release files / sparqlprog-0.0.3-py3-none-any.whl
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| Size | 4.9 kB |
| Tags | Python 3 |
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twine/1.13.0 pkginfo/1.5.0.1 requests/2.22.0 setuptools/41.0.1 requests-toolbelt/0.9.1 tqdm/4.33.0 CPython/3.7.1
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