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This Dataset is under the license: Attribution-NonCommercial 3.0 Unported (CC BY-NC 3.0)

More infomation access: https://creativecommons.org/licenses/by-nc/3.0/

![cc-by-nc-sa](https://mirrors.creativecommons.org/presskit/buttons/88x31/png/by-nc.png)


The files correspond to the paper:

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**Supporting biomedical ontology evolution by identifying outdated concepts and the required type of change.**
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Journal of Biomedical Informatics. DOI:10.1016/j.jbi.2018.08.013. 
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Available on:
https://www.ncbi.nlm.nih.gov/pubmed/30205172

or

https://www.sciencedirect.com/science/article/pii/S1532046418301680?via%3Dihub
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# NOTE

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The concept codes from all terminologies were replaced by the tuple **UMLS CUI, AUI**.

We recommend parsing them to the terminology code.

To do so, take the CUI and the AUI when searching for the appropriate code.

# Prediction

The columns ```Has_evolved``` and ```generic_change``` were used as target for predicting the evolution.

The column ```Version``` was used only as reference to compute the features. It must be discarded when predicting the evolution.