Grafeno: Python library for Semantic Graphs

Python library for concept graph extraction from text, operation, and linearization. An integrated web service is provided.

This library is still a work in progress, but it has shown to be already useful for a number of applications, for example extractive text summarization.


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The continued development of this library has been possible thanks to a number of different research and development projects, listed below.

  • A collaboration with MedWhat (, a company that develops virtual medical assistant bots and other medical artificial intelligence solutions.
  • This research is funded by the Spanish Ministry of Economy and Competitiveness and the European Regional Development Fund (TIN2015-66655-R (MINECO/FEDER)).
  • This work is funded by ConCreTe. The project ConCreTe acknowledges the financial support of the Future and Emerging Technologies (FET) programme within the Seventh Framework Programme for Research of the European Commission, under FET grant number 611733.