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create_faechersystematik_ttl.py
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import pandas as pd
import rdflib.term
from rdflib import Graph, Literal, RDF, URIRef, Namespace, DCTERMS
import logging
def extract_preflabel_translations(current_ttl):
pref_label_dict_list = []
deprecated_broader_list = []
g_old = Graph()
g_old.parse(current_ttl, format="ttl")
qres = g_old.query(
"""
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
SELECT DISTINCT ?label_en ?label_uk ?concept ?broader
WHERE {
?concept a skos:Concept ;
skos:prefLabel ?label ;
skos:prefLabel ?label_en ;
skos:prefLabel ?label_uk .
FILTER(lang(?label_en)="en")
FILTER(lang(?label_uk)="uk")
OPTIONAL
{?concept owl:deprecated true ;
skos:broader ?broader .
}
}""")
for row in qres:
notation = row.concept.replace("https://w3id.org/kim/hochschulfaechersystematik/n", "")
pref_label_dict = {notation: {"label_en": f"{row.label_en}", "label_uk": f"{row.label_uk}"}}
pref_label_dict_list.append(pref_label_dict)
if row.broader is not None:
deprecated_broader = {f"{row.broader.replace("https://w3id.org/kim/hochschulfaechersystematik/n", "")}": notation}
deprecated_broader_list.append(deprecated_broader)
return pref_label_dict_list, deprecated_broader_list
def extract_deprecated_notations(current_ttl):
g_old = Graph()
g_old.parse(current_ttl, format="ttl")
qres = g_old.query(
"""
PREFIX skos: <http://www.w3.org/2004/02/skos/core#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX : <https://w3id.org/kim/hochschulfaechersystematik/>
SELECT *
WHERE {
?concept owl:deprecated true ;
?p ?o .
}""")
return qres
def add_pref_labels_lang(level_dict_list, current_pref_labels_dict):
for idx, i in enumerate(level_dict_list):
notation = level_dict_list[idx]['uri']
if notation in current_pref_labels_dict:
for k,v in current_pref_labels_dict.items():
pref_label_en = v.get("label_en")
pref_label_uk = v.get("label_uk")
level_dict_list[idx].update({"label_en": pref_label_en, "label_uk": pref_label_uk})
return level_dict_list
def extract_narrower(dict_list):
narrower_dict = {}
for dict in dict_list:
notation_broader_level = dict["broader"]
if notation_broader_level in narrower_dict:
narrower_dict[notation_broader_level].append(dict["uri"])
else:
narrower_dict[notation_broader_level]=[dict["uri"]]
return narrower_dict
def add_narrower(dict_list_broader, dict_list_narrower, deprecated_broader_list):
narrower = extract_narrower(dict_list_narrower)
for item in deprecated_broader_list:
for k,v in item.items():
if k in narrower:
narrower[k].append(v)
for d in dict_list_broader:
if d["uri"] in narrower:
d.update(narrower=narrower[d["uri"]])
def copy_notation(dictionary):
dictionary["uri"] = dictionary["notation"]
# extract translations of prefLabels
current_hfs_file = "https://github.com/dini-ag-kim/hochschulfaechersystematik/blob/master/hochschulfaechersystematik.ttl?raw=true"
lang_preflabel_list, deprecated_broader_list = extract_preflabel_translations(current_hfs_file)
hfs_deprecated_notations = extract_deprecated_notations(current_hfs_file)
# extract hfs data from destatis files
url_1st_level = "https://github.com/dini-ag-kim/destatis-schluesseltabellen/blob/main/studierende/Faechergruppe.csv?raw=true"
url_2nd_level = "https://github.com/dini-ag-kim/destatis-schluesseltabellen/raw/main/studierende/STB.csv?raw=true"
url_3rd_level = "https://github.com/dini-ag-kim/destatis-schluesseltabellen/blob/main/studierende/Studienfach.csv?raw=true"
df_1st_level = pd.read_csv(url_1st_level, encoding="ISO-8859-1", sep=';', quotechar='"', header=None, engine ='python', dtype=str, usecols=[0, 2], names=["notation", "label"])
df_2nd_level = pd.read_csv(url_2nd_level, encoding="ISO-8859-1", sep=';', quotechar='"', header=None, engine ='python', dtype=str, usecols=[0, 2, 3], names=["notation", "label", "broader"])
df_3rd_level = pd.read_csv(url_3rd_level, encoding="ISO-8859-1", sep=';', quotechar='"', header=None, engine ='python', dtype=str, usecols=[0, 2, 3], names=["notation", "label", "broader"])
# remove duplicate, unused notation 10 from top level
# remove unused notations 15 & 20
df_1st_level = df_1st_level[~df_1st_level["notation"].isin(["10", "15", "20"])]
# remove of "10" subordinate notations from 2nd and 3rd level
df_2nd_level = df_2nd_level[df_2nd_level.broader !="10"]
df_3rd_level = df_3rd_level[df_3rd_level.broader !="83"]
df_1st_level['notation'] = df_1st_level['notation'].str.lstrip("0")
df_2nd_level['broader'] = df_2nd_level['broader'].str.lstrip("0")
# add new column "uri" based on "notation" to enable the URI to be assigned independently of the notations
copy_notation(df_1st_level)
copy_notation(df_2nd_level)
copy_notation(df_3rd_level)
# change uri "128" > "0128"
df_3rd_level["uri"] = df_3rd_level["uri"].replace("128", "0128")
dict_1st_level = df_1st_level.to_dict("records")
dict_2nd_level = df_2nd_level.to_dict("records")
dict_3rd_level = df_3rd_level.to_dict("records")
add_narrower(dict_1st_level, dict_2nd_level, deprecated_broader_list)
add_narrower(dict_2nd_level, dict_3rd_level, deprecated_broader_list)
# add translations from current hfs to dictionaries
for lang_preflabel_dict in lang_preflabel_list:
dict_1st_level = add_pref_labels_lang(dict_1st_level, lang_preflabel_dict)
dict_2nd_level = add_pref_labels_lang(dict_2nd_level, lang_preflabel_dict)
dict_3rd_level = add_pref_labels_lang(dict_3rd_level, lang_preflabel_dict)
g = Graph()
# namespaces
base = 'https://w3id.org/kim/hochschulfaechersystematik/'
vann = Namespace('http://purl.org/vocab/vann/')
dct = Namespace('http://purl.org/dc/terms/')
owl = Namespace('http://www.w3.org/2002/07/owl#')
skos = Namespace('http://www.w3.org/2004/02/skos/core#')
schema = Namespace('https://schema.org/')
g.bind("schema", schema)
g = Graph(base=base)
#conceptScheme
g.add((URIRef('scheme'), RDF['type'], skos['ConceptScheme']))
g.add((URIRef('scheme'), dct['title'], Literal('Destatis-Systematik der Fächergruppen, Studienbereiche und Studienfächer', lang='de')))
g.add((URIRef('scheme'), dct['alternative'], Literal('Hochschulfächersystematik', lang='de')))
g.add((URIRef('scheme'), dct['description'], Literal('Diese SKOS-Klassifikation basiert auf der Destatis-[\"Systematik der Fächergruppen, Studienbereiche und Studienfächer\"](https://bartoc.org/en/node/18919).', lang='de')))
g.add((URIRef('scheme'), dct['issued'], Literal('2019-12-11')))
g.add((URIRef('scheme'), dct['license'], rdflib.term.URIRef('http://dcat-ap.de/def/licenses/other-closed')))
g.add((URIRef('scheme'), dct['publisher'], rdflib.term.URIRef('https://oerworldmap.org/resource/urn:uuid:fd06253e-fe67-4910-b923-51db9d27e59f')))
g.add((URIRef('scheme'), dct['source'], rdflib.term.URIRef('https://www.destatis.de/DE/Methoden/Klassifikationen/Bildung/studenten-pruefungsstatistik.html')))
g.add((URIRef('scheme'), vann['preferredNamespaceUri'], Literal('https://w3id.org/kim/hochschulfaechersystematik/')))
g.add((URIRef('scheme'), vann['preferredNamespacePrefix'], Literal('hfs')))
g.add((URIRef('scheme'), schema['isBasedOn'], rdflib.term.URIRef('http://bartoc.org/node/18919')))
for idx, i in enumerate(dict_1st_level):
top_level = dict_1st_level[idx]['uri']
g.add((URIRef('n%s' % top_level), RDF['type'], skos['Concept']))
g.add((URIRef('n%s' % top_level), skos['topConceptOf'], (URIRef('scheme'))))
g.add((URIRef('n%s' % top_level), skos['prefLabel'], Literal(dict_1st_level[idx]['label'], lang='de')))
for item in dict_1st_level[idx]['narrower']:
g.add((URIRef('n%s' % top_level), skos['narrower'], (URIRef('n%s' % item))))
if dict_1st_level[idx].get('label_en'):
g.add((URIRef('n%s' % top_level), skos['prefLabel'], Literal(dict_1st_level[idx]['label_en'], lang='en')))
g.add((URIRef('n%s' % top_level), skos['prefLabel'], Literal(dict_1st_level[idx]['label_uk'], lang='uk')))
g.add((URIRef('n%s' % top_level), skos['notation'], Literal(dict_1st_level[idx]['notation'])))
else:
logging.warning("No translation for {notation}".format(notation=top_level))
g.add((URIRef('scheme'), skos['hasTopConcept'], (URIRef('n%s' % top_level))))
for idx_2, i_2 in enumerate(dict_2nd_level):
level_2_uri = dict_2nd_level[idx_2]['uri']
g.add((URIRef('n%s' % level_2_uri), RDF['type'], skos['Concept']))
g.add((URIRef('n%s' % level_2_uri), skos['prefLabel'], Literal(dict_2nd_level[idx_2]['label'], lang='de')))
if dict_2nd_level[idx_2].get('label_en'):
g.add((URIRef('n%s' % level_2_uri), skos['prefLabel'], Literal(dict_2nd_level[idx_2]['label_en'], lang='en')))
g.add((URIRef('n%s' % level_2_uri), skos['prefLabel'], Literal(dict_2nd_level[idx_2]['label_uk'], lang='uk')))
else:
logging.warning("No translation for {notation}".format(notation=level_2_uri))
g.add((URIRef('n%s' % level_2_uri), skos['broader'], (URIRef('n%s' % dict_2nd_level[idx_2]['broader']))))
for item in dict_2nd_level[idx_2]['narrower']:
g.add((URIRef('n%s' % level_2_uri), skos['narrower'], (URIRef('n%s' % item))))
g.add((URIRef('n%s' % level_2_uri), skos['notation'], Literal(dict_2nd_level[idx_2]['notation'])))
g.add((URIRef('n%s' % level_2_uri), skos['inScheme'], (URIRef('scheme'))))
for idx_3, i_3 in enumerate(dict_3rd_level):
level_3_uri = dict_3rd_level[idx_3]['uri']
g.add((URIRef('n%s' % level_3_uri), RDF['type'], skos['Concept']))
g.add((URIRef('n%s' % level_3_uri), skos['prefLabel'], Literal(dict_3rd_level[idx_3]['label'], lang='de')))
if dict_3rd_level[idx_3].get('label_en'):
g.add((URIRef('n%s' % level_3_uri), skos['prefLabel'], Literal(dict_3rd_level[idx_3]['label_en'], lang='en')))
g.add((URIRef('n%s' % level_3_uri), skos['prefLabel'], Literal(dict_3rd_level[idx_3]['label_uk'], lang='uk')))
else:
logging.warning("No translation for {notation}".format(notation=level_3_uri))
g.add((URIRef('n%s' % level_3_uri), skos['notation'], Literal(dict_3rd_level[idx_3]['notation'])))
g.add((URIRef('n%s' % level_3_uri), skos['inScheme'], (URIRef('scheme'))))
g.add((URIRef('n%s' % level_3_uri), skos['broader'], (URIRef('n%s' % dict_3rd_level[idx_3]['broader']))))
g.add((URIRef('n0'), RDF['type'], skos['Concept']))
g.add((URIRef('n0'), skos['prefLabel'], Literal('Fachübergreifend', lang='de')))
g.add((URIRef('n0'), skos['prefLabel'], Literal('Interdisciplinary', lang='en')))
g.add((URIRef('n0'), skos['prefLabel'], Literal('Міждисциплінарний', lang='uk')))
g.add((URIRef('n0'), skos['topConceptOf'], (URIRef('scheme'))))
g.add((URIRef('n0'), skos['notation'], Literal('0')))
g.add((URIRef('scheme'), skos['hasTopConcept'], (URIRef('n0'))))
g.bind("dct", DCTERMS)
# add deprecated notations
for row in hfs_deprecated_notations:
g.add((URIRef(row.concept), row.p, row.o))
g.serialize('hochschulfaechersystematik.ttl', format='turtle')