YAGO (database)
Encyclopedia
YAGO is a knowledge base
developed at the Max-Planck-Institute Saarbrücken
.
The knowledge base contains information harvested from Wikipedia
and linked to Wordnet
.
It knows more than 2 million entities (like persons, organizations, cities, etc.), and knows 20 million facts about these entities. YAGO has a manually confirmed accuracy of 95%. It can be queried online.
The YAGO ontology is licensed under the GNU Free Documentation License
.
Knowledge base
A knowledge base is a special kind of database for knowledge management. A Knowledge Base provides a means for information to be collected, organised, shared, searched and utilised.-Types:...
developed at the Max-Planck-Institute Saarbrücken
Saarbrücken
Saarbrücken is the capital of the state of Saarland in Germany. The city is situated at the heart of a metropolitan area that borders on the west on Dillingen and to the north-east on Neunkirchen, where most of the people of the Saarland live....
.
The knowledge base contains information harvested from Wikipedia
Wikipedia
Wikipedia is a free, web-based, collaborative, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Its 20 million articles have been written collaboratively by volunteers around the world. Almost all of its articles can be edited by anyone with access to the site,...
and linked to Wordnet
WordNet
WordNet is a lexical database for the English language. It groups English words into sets of synonyms called synsets, provides short, general definitions, and records the various semantic relations between these synonym sets...
.
It knows more than 2 million entities (like persons, organizations, cities, etc.), and knows 20 million facts about these entities. YAGO has a manually confirmed accuracy of 95%. It can be queried online.
The YAGO ontology is licensed under the GNU Free Documentation License
GNU Free Documentation License
The GNU Free Documentation License is a copyleft license for free documentation, designed by the Free Software Foundation for the GNU Project. It is similar to the GNU General Public License, giving readers the rights to copy, redistribute, and modify a work and requires all copies and...
.
See also
- YAGO (Ontology)YAGO (Ontology)YAGO is a huge semantic knowledge base. Currently, YAGO knows over two million entities such as persons, organizations and cities and about twenty million facts about these entities. A web interface allows users to pose questions to YAGO in the form of queries on the YAGO homepage...
- Commonsense knowledge basesCommonsense knowledge basesIn artificial intelligence research, commonsense knowledge is the collection of facts and information that an ordinary person is expected to know...
- Linking Open Data Initiative