Questions tagged [ontology]

For questions related to ontologies or vocabularies that describe types, properties, and interrelationships of entities in a particular domain.

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Ontological Database of Objects

I am searching for a Database containing a hierarchical Ontology of most objects. For example, an Apple is a special type of an edible Fruit, which is a special type of Fruit. A Fruit is a physical ...
13
votes
2answers
262 views

5-star Open Data rating scheme, are there URIs for the ratings?

I'm in the process of constructing a DCAT catalogue and we want to show how each dataset conforms to the 5-star open data rating scheme. I assumed that someone would have coined URIs for each rating ...
8
votes
2answers
1k views

Wikidata get property of property

This question is related to this. We have the following query: SELECT DISTINCT ?item ?itemLabel ?AuthorLabel ?year WHERE { ?item wdt:P166 wd:Q255032. ?item wdt:P50 ?Author . ?item wdt:P577 ...
3
votes
1answer
53 views

YAGO entity details

I recently came across an article where they have mentioned that YAGO has more entities than DBpedia. It also mentions that "Recently, a new version of YAGO has been released, which also accounts for ...
2
votes
0answers
119 views

How to use DBpedia to identify the topics

In the paper "Discovering Relevant Topics using DBPedia providing non-obvious recommendations" they have used skos:broader property and dcterms:subject property. In my task given the word I want to ...