TheyBuyForYou platform and knowledge graph: Expanding horizons in public procurement with open linked data

Author:

Soylu Ahmet1,Corcho Oscar2,Elvesæter Brian3,Badenes-Olmedo Carlos2,Blount Tom4,Yedro Martínez Francisco2,Kovacic Matej5,Posinkovic Matej5,Makgill Ian6,Taggart Chris7,Simperl Elena8,Lech Till C.3,Roman Dumitru3

Affiliation:

1. OsloMet – Oslo Metropolitan University, Norway. E-mail: ahmet.soylu@oslomet.no

2. Universidad Politécnica de Madrid, Spain. E-mails: ocorcho@fi.upm.es, cbadenes@fi.upm.es, fyedro@fi.upm.es

3. SINTEF AS, Norway. E-mails: brian.elvesater@sintef.no, till.lech@sintef.no, dumitru.roman@sintef.no

4. University of Southampton, The UK. E-mail: t.blount@soton.ac.uk

5. Jožef Stefan Institute, Slovenia. E-mails: matej.kovacic@ijs.si, matej.posinkovic@ijs.si

6. OpenOpps Ltd, The UK. E-mail: ian@spendnetwork.com

7. OpenCorporates Ltd, The UK. E-mail: chris.taggart@opencorporates.com

8. King’s College London, London, The UK. E-mail: elena.simperl@kcl.ac.uk

Abstract

Public procurement is a large market affecting almost every organisation and individual; therefore, governments need to ensure its efficiency, transparency, and accountability, while creating healthy, competitive, and vibrant economies. In this context, open data initiatives and integration of data from multiple sources across national borders could transform the procurement market by such as lowering the barriers of entry for smaller suppliers and encouraging healthier competition, in particular by enabling cross-border bids. Increasingly more open data is published in the public sector; however, these are created and maintained in siloes and are not straightforward to reuse or maintain because of technical heterogeneity, lack of quality, insufficient metadata, or missing links to related domains. To this end, we developed an open linked data platform, called TheyBuyForYou, consisting of a set of modular APIs and ontologies to publish, curate, integrate, analyse, and visualise an EU-wide, cross-border, and cross-lingual procurement knowledge graph. We developed advanced tools and services on top of the knowledge graph for anomaly detection, cross-lingual document search, and data storytelling. This article describes the TheyBuyForYou platform and knowledge graph, reports their adoption by different stakeholders and challenges and experiences we went through while creating them, and demonstrates the usefulness of Semantic Web and Linked Data technologies for enhancing public procurement.

Publisher

IOS Press

Subject

Computer Networks and Communications,Computer Science Applications,Information Systems

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