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-rw-r--r--notes/2021_10_27_doaj_subgraph.md23
1 files changed, 11 insertions, 12 deletions
diff --git a/notes/2021_10_27_doaj_subgraph.md b/notes/2021_10_27_doaj_subgraph.md
index bdb9799..fe0f98c 100644
--- a/notes/2021_10_27_doaj_subgraph.md
+++ b/notes/2021_10_27_doaj_subgraph.md
@@ -106,29 +106,28 @@ Top most referenced articles belonging to DOAJ:
### Edge
-An edge connect a source metadata document with a target metadata document
-(from the fatcat catalog) and records a certain or highly likely citation of
-target document in source document.
+An edge records a link between a source metadata document and a target metadata document
+(from the fatcat catalog) - where a source cites a target.
-We also record (and display) unmatched references, that is reference
+In the [catalog](https://fatcat.wiki) we also display unmatched references, that is reference
information from a source, that has not been matched to a target yet. These are
called "unmatched refs", sometimes.
### Fatcat.wiki
-The catalog underlying Internet Archive Scholar
+The catalog underlying [Internet Archive Scholar](https://scholar.archive.org).
### Internet Archive Scholar
-Search engine over 100M metadata and over 30M fulltext documents, updated in
-near real-time as new metadata and fulltext document become available in
-fatcat.
+A academic [search engine](https://scholar.archive.org) over 100M metadata and over 30M fulltext documents, updated in
+near real-time as new metadata and fulltext document become available in the fatcat (catalog).
### Internet Archive Scholar Citation Graph
A citation graph derived from scholarly metadata and fulltext documents curated
-at the Internet Archive. Version 1 has been released in 10/2021. Futher information can be found here:
+at the Internet Archive. Version 1 has been released in 10/2021. Futher
+information can be found here:
-* https://guide.fatcat.wiki/reference_graph.html
-* https://blog.archive.org/2021/10/19/internet-archive-releases-refcat-the-ia-scholar-index-of-over-1-3-billion-scholarly-citations/
-* https://arxiv.org/abs/2110.06595
+* Overview: https://guide.fatcat.wiki/reference_graph.html
+* Blog post: https://blog.archive.org/2021/10/19/internet-archive-releases-refcat-the-ia-scholar-index-of-over-1-3-billion-scholarly-citations/
+* Tech report: https://arxiv.org/abs/2110.06595