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# fuzzycat (wip)
Fuzzy matching publications for [fatcat](https://fatcat.wiki).
* [fuzzycat](https://pypi.org/project/fuzzycat/)
## Motivation
Most of the results on sites like [Google
Scholar](https://scholar.google.com/scholar?q=fuzzy+matching) group
publications into clusters. Each cluster represents one publication, abstracted
from its concrete representation as a link to a PDF.
We call the abstract publication *work* and the concrete instance a *release*.
The goal is to group releases under works and to implement a versions feature.
This repository contains both generic code for matching as well as fatcat
specific code using the fatcat openapi client.
## Datasets
* release and container metadata from: [https://archive.org/details/fatcat_bulk_exports_2020-08-05](https://archive.org/details/fatcat_bulk_exports_2020-08-05).
* issn journal level data, via [issnlister](https://github.com/miku/issnlister)
* abbreviation lists
## Matching approaches
## Performance data point
Candidate generation via elasticsearch, 40 parallel queries, sustained speed at
about 17857 queries per hour, that is around 5 queries/s.
```
$ time cat ~/data/researchgate/x04 | \
parallel -j40 --pipe -N 1 ./fatcatx_rg_unmatched.py - \
> ~/data/researchgate/x04_results.ndj
...
real 3409m16.442s
user 29177m5.516s
sys 4927m3.277s
```
## Data issues
### A republised article
* [https://fatcat.wiki/release/search?q=%22The+doctor+with+seven+billion+patients%22](https://fatcat.wiki/release/search?q=%22The+doctor+with+seven+billion+patients%22)
There is "student BMJ" and "BMJ" - this (html) article (interview) has been
first published on "sbmj" (Published 07 July 2011), then "bmj" (Published 10
August 2011).
> Notes; Originally published as: Student BMJ 2011;19:d3983
* https://www.bmj.com/content/343/sbmj.d3983
* https://www.bmj.com/content/343/bmj.d4964
It is essentially the same text, same title, author, just different DOI and
probably a different recorded date.
Generic pattern "republication" duplicate:
* metadata mostly same, except date and doi
### Common title
Probably a few thousand very common short titles.
* [https://fatcat.wiki/release/search?q=%22Book+Reviews%22](https://fatcat.wiki/release/search?q=%22Book+Reviews%22) (238852)
Some authors do this regularly:
* [https://fatcat.wiki/release/search?q=%22Book+Reviews%22+%22william%22+%22michael%22](https://fatcat.wiki/release/search?q=%22Book+Reviews%22+%22william%22+%22michael%22) (398)
Different DOI, so we know it is different.
### Title with extra data
* like ISBN, ISSN, price and all kind of extra metadata
* [https://fatcat.wiki/release/search?q=title%3A%22ISBN%22](https://fatcat.wiki/release/search?q=title%3A%22ISBN%22)
* titles typically get longer: [https://fatcat.wiki/release/olxswrilxfci3ibb3bg5xhstr4](https://fatcat.wiki/release/olxswrilxfci3ibb3bg5xhstr4)
* some of these are actually "reviews", e.g. [https://fatcat.wiki/release/4blc5mfc5bfaxkofuletqxuzp4](https://fatcat.wiki/release/4blc5mfc5bfaxkofuletqxuzp4)
Another example:
* too [long](https://fatcat.wiki/release/hewmq4afvnew7pwttvulzguubu), original suggested citation seems to be:
> Parker, S. and Kerrod, R. (2002), "Children’s) Space Busters (1st) Looking at Stars (2nd)", Reference Reviews, Vol. 16 No. 5, pp. 26-27. https://doi.org/10.1108/rr.2002.16.5.26.252
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