From e532c94fb3fe1c7f0b428eccdecce9d689a47264 Mon Sep 17 00:00:00 2001 From: Martin Czygan Date: Mon, 2 Aug 2021 14:06:13 +0200 Subject: notes: coci numbers --- python/notes/coci_notes.md | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 python/notes/coci_notes.md (limited to 'python/notes') diff --git a/python/notes/coci_notes.md b/python/notes/coci_notes.md new file mode 100644 index 0000000..6d7a968 --- /dev/null +++ b/python/notes/coci_notes.md @@ -0,0 +1,43 @@ +# COCI Notes + +* [https://opencitations.net/download](https://opencitations.net/download) +* [https://figshare.com/articles/dataset/Crossref_Open_Citation_Index_CSV_dataset_of_all_the_citation_data/6741422/9](https://figshare.com/articles/dataset/Crossref_Open_Citation_Index_CSV_dataset_of_all_the_citation_data/6741422/9) + +> 6741422v9.zip [19G] + +> Dump created on 2020-12-07. This dump includes information on: + +* 60,778,357 bibliographic resources; +* 759,516,507 citation links. + + +``` +extracted/2020-06-13T18_18_05_1-2.zip +extracted/2020-08-20T18_12_28_1-2.zip +extracted/2020-04-25T04_48_36_1-5.zip +extracted/2020-11-22T17_48_01_1-3.zip +extracted/2020-01-13T19_31_19_1-4.zip +extracted/2019-10-21T22_41_20_1-63.zip +``` + +* extracted to 79 CSV files + +Raw data example. + +``` +oci,citing,cited,creation,timespan,journal_sc,author_sc +02003080406360106010101060909370200010237070005020502-02001000106361937231430122422370200000837000737000200,10.3846/16111699.2012.705252,10.1016/j.neucom.2008.07.020,2012-10-04,P3Y0M,no,no +02003080406360106010101060909370200010237070005020502-0200308040636010601016301060909370200000837093701080963010908,10.3846/16111699.2012.705252,10.3846/1611-1699.2008.9.189-198,2012-10-04,P4Y0M4D,yes,no +02003080406360106010101060909370200010237070005020502-02001000106361937102818141224370200000737000237000003,10.3846/16111699.2012.705252,10.1016/j.asieco.2007.02.003,2012-10-04,P5Y6M,no,no +02003080406360106010101060909370200010237070005020502-02003080406360106010101060909370200010137050505030808,10.3846/16111699.2012.705252,10.3846/16111699.2011.555388,2012-10-04,P1Y5M22D,yes,no +... +``` + +For comparison, we need also a DOI-DOI matching list. + +Example approach: + +* extract source-target release ident, sort by source ident +* from fatcat db dump, extract source id and ext ids, sort by source ident +* "zip together" + -- cgit v1.2.3