This repository contains:

ss_not_open.ipynb: A Jupyter notebook that creates the ss_not_open.txt file of DOIs found in Semantic Scholar but not in OpenAIRE.

• Input 1: all_dois.csv: a CSV with all DOIs in OpenAIRE.
• Input 2: DOIs in Semantic Scholar

in_crossref.py: A python script to obtain the missing dois that are in Crossref.

• Input 1: the file ss_not_open.txt that contains the DOIs of Semantic Scholar that do not appear in OpenAIRE (output of ss_not_open.ipynb).
• Input 2: latest Crossref's dump (a tar.gz of JSON files).

in_crossref_criteria.py: A python script to obtain the missing dois that are in Crossref and satisfy the inclusion criteria.

• Input 1: in_crossref.txt: the txt output of in_crossref.py (or the ss_not_open.txt file).
• Input 2: latest Crossref's dump (tar.gz of JSON files).

in_datacite.py: A python script to obtain the missing dois that are in DataCite.

• Input 1: the file ss_not_open.txt.
• Input 2: latest DataCite dump (Parquet files).

not_open.ipynb A Jupyter notebook for analyzing the collected data.