PPROC, an Ontology for Transparency in Public Procurement

Muñoz-Soro, José Félix; Esteban, Guillermo; Corcho, Oscar; Serón, Francisco (2016). PPROC, an Ontology for Transparency in Public Procurement. Semantic Web, vol. 7, no. 3, pp. 295-309. DOI: 10.3233/SW-150195.

Public procurement or tendering refers to the process followed by public authorities for the procurement of goods and services. In most developed countries, the law requires public authorities to provide online information to ensure competitive tendering as far as possible, for which the adequate announcement of tenders is an essential requirement. In addition, transparency laws being proposed in such countries are making the monitoring of public contracts by citizens a fundamental right. This paper describes the PPROC ontology, which has been developed to give support to both processes, publication and accountability, by semantically describing public procurement processes and contracts. The PPROC ontology is extensive, since it covers not only the usual data about the tender, its objectives, deadlines and awardees, but also details of the whole process, from the initial contract publication to its termination. This makes it possible to use the ontology for both open data publication purposes and for the overall management of the public contract procurement process.

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