def hypernyms_of_article_from_db(article, limit=sys.maxint):
"""
Given a case-sensitive article title, return all hypernyms of
that article (as a list of strings) from DBpedia's Ontology
Classes.
"""
result = (DbpediaClass.select().join(Hypernym).join(
ArticleClass,
on=Hypernym.c_id).join(Article, on=ArticleClass.a_id).where(
Article.title == article, ).limit(limit))
return [from_dbpedia_class(x.dbpedia_class) for x in result]
def hypernyms_of_class_from_db(w_class, limit=sys.maxint):
"""
Given a wikipedia class, return a list of hypernyms (as a list of strings)
from DBpedia's Ontology Classes.
Deprecated: uses the database, resulting in slow, unordered
results. Use hypernyms_of_class() instead.
"""
w_class = to_wikipedia_class(w_class)
result = (DbpediaClass.select().join(Hypernym).join(WikiClass).where(
WikiClass.class_name == w_class).limit(limit))
return [from_dbpedia_class(x.dbpedia_class) for x in result]
