Unit:
Department of Informatics and TelecommunicationsΠληροφορική
Supervisors info:
Μανόλης Κουμπαράκης, Καθηγητής, Τμήμα Πληροφορικής και Τηλεπικοινωνιών, ΕΚΠΑ
Original Title:
Ένα σύστημα για την σταδιακή ενημέρωση του γράφου γνώσης YAGO2geo με γεωχωρική πληροφορία από το OpenStreetMap
Translated title:
A system for the incremental update of the knowledge graph YAGO2geo with geospatial information from OpenStreetMap
Summary:
Yago is one of the largest open source Knowledge Bases nowadays. An extension of
YAGO2 is YAGO2geo. YAGO2geo represents a knowledge graph with precise geospatial
information. A large part of this data comes from OpenStreetMap. The main purpose of this
thesis is to preserve the precision of the geospatial information by keeping it updated. To
achieve this, the process can be divided into three parts. The first describes the acquisition
of the most recent data we need. The second and the main part of the process includes the
link and the update of YAGO2geo information using the previous data. In order to accomplish
this, we are using the PostgreSQL database, a free and open-source relational database.
The thrird and last part is to upload all the updated data on YAGO2geo Knowledge Graph
by using a SPARQL endpoint.
Main subject category:
Technology - Computer science
Keywords:
YAGO, Yago2geo, OpenStreetMap, Geospatial information, RDF, PostgreSQL
