온톨로지와 지식 그래프: RDF 데이터 파이프라인 실습

from rdflib import Graph, Namespace, URIRef, Literal
from rdflib.namespace import RDF, OWL, XSD
import pandas as pd
from io import StringIO

g = Graph()
g.parse('research_ontology.owl')
ONTO = Namespace('http://study.ontology.org/research.owl')
g.bind('ex', ONTO)
g.add((URIRef(ONTO + 'paper001'), RDF.type, ONTO.ConferencePaper))

df = pd.read_csv(StringIO(csv_data))
for i, row in df.iterrows():
    g.add((URIRef(ONTO + row['paper_id']), RDF.type, ONTO.Paper))

q = """
SELECT ?title
WHERE {
    ?paper ex:writtenBy ex:강형원 .
    ?paper ex:hasKeyword ex:Anomaly Detection .
    ?paper ex:hasTitle ?title .
}
"""
for row in g.query(q):
    print(row['title'])