What is ontology in DBpedia?
What is ontology in DBpedia?
The DBpedia Ontology is a shallow, cross-domain ontology, which has been manually created based on the most commonly used infoboxes within Wikipedia. The ontology currently covers 685 classes which form a subsumption hierarchy and are described by 2,795 different properties.
What is DBpedia dataset?
DBpedia (from “DB” for “database”) is a project aiming to extract structured content from the information created in the Wikipedia project. DBpedia allows users to semantically query relationships and properties of Wikipedia resources, including links to other related datasets.
Is DBpedia a reliable source?
For the API availability, DBpedia is the most reliable; its SPARQL endpoind is roughly available at every time.
What is DBpedia owl?
An Entity of Type: programming language, from Named Graph: http://dbpedia.org, within Data Space: dbpedia.org. The Web Ontology Language (OWL) is a family of knowledge representation languages for authoring ontologies.
Is DBpedia a knowledge base?
The DBpedia project builds a large-scale, multilin- gual knowledge base by extracting structured data from Wikipedia editions in 111 languages. This knowledge base can be used to answer expressive queries such as the ones outlined above.
Why is DBpedia important?
DBpedia allows users to semantically query relationships and properties of Wikipedia resources, including links to other related datasets. In 2008, Tim Berners-Lee described DBpedia as one of the most famous parts of the decentralized Linked Data effort.
What is the primary source of DBpedia facts?
DBpedia extracts factual information from Wikipedia pages, allowing users to find answers to questions where the information is spread across multiple Wikipedia articles. Data is accessed using an SQL-like query language for RDF called SPARQL.
Is wikidata an ontology?
Wikidata as a large-scale semantic framework. In October 2012, Wikidata (www.wikidata.org) was created as an open, free, easily editable, ontological and collaborative semantic MediaWiki-based2 knowledge-base to support Wikipedia [71], [69].
How are geonames ontology used?
There are several ways how you can enter the GeoNames Semantic Web : start from mother earth and follow the Linked Data links. use the geonames search webservice with the type=rdf parameter option. download the database dump and construct the url for the features using the pattern “http://sws.geonames.org/geonameId/”