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Client for the Open Citations Corpus http://opencitations.net/ (OCC)
OCC created their own identifiers called Open Citation Identifiers (oci), e.g.,
020010009033611182421271436182433010601-02001030701361924302723102137251614233701000005090307You are probably not going to be using oci identifiers, but rather
DOIs and/or PMIDs and/or PMCIDs. See ?oc_lookup for methods
for cross-walking among identifier types.
If you’d like to use the OpenCitations Sparql endpoint yourself you can find that at http://opencitations.net/sparql
CRAN version
install.packages("citecorp")Development version
remotes::install_github("ropenscilabs/citecorp")library("citecorp")oc_doi2ids("10.1097/igc.0000000000000609")
#> doi paper pmcid
#> 1 10.1097/igc.0000000000000609 https://w3id.org/oc/corpus/br/1 PMC4679344
#> pmid
#> 1 26645990
oc_pmid2ids("26645990")
#> doi paper pmcid
#> 1 10.1097/igc.0000000000000609 https://w3id.org/oc/corpus/br/1 PMC4679344
#> pmid
#> 1 26645990
oc_pmcid2ids("PMC4679344")
#> doi paper pmcid
#> 1 10.1097/igc.0000000000000609 https://w3id.org/oc/corpus/br/1 PMC4679344
#> pmid
#> 1 26645990You can pass in more than one identifer to each of the above functions:
oc_doi2ids(oc_dois[1:6])
#> doi paper
#> 1 10.1128/jvi.00758-10 https://w3id.org/oc/corpus/br/5357460
#> 2 10.1111/j.2042-3306.1989.tb02167.x https://w3id.org/oc/corpus/br/589891
#> 3 10.1097/rli.0b013e31821eea45 https://w3id.org/oc/corpus/br/3931705
#> 4 10.1177/0148607114529597 https://w3id.org/oc/corpus/br/5016780
#> 5 10.1111/1567-1364.12217 https://w3id.org/oc/corpus/br/3819297
#> 6 10.1016/s0168-9525(99)01798-9 https://w3id.org/oc/corpus/br/4606537
#> pmcid pmid
#> 1 PMC2953162 20702630
#> 2 <NA> 2670542
#> 3 <NA> 21577119
#> 4 <NA> 24711119
#> 5 <NA> 25263709
#> 6 <NA> 10461200OpenCitations Index of Crossref open DOI-to-DOI references
If you don’t load tibble you get normal data.frame’s
library(tibble)
doi1 <- "10.1108/jd-12-2013-0166"
# references
oc_coci_refs(doi1)
#> # A tibble: 37 x 7
#> cited timespan citing journal_sc creation oci author_sc
#> * <chr> <chr> <chr> <chr> <chr> <chr> <chr>
#> 1 10.1001/jama… P9Y2M5D 10.1108/… no 2015-03… 0200101000836… no
#> 2 10.1002/asi.… P41Y8M 10.1108/… no 2015-03… 0200101000836… no
#> 3 10.1002/(sic… P25Y6M 10.1108/… no 2015-03… 0200101000836… no
#> 4 10.1007/bf02… P17Y2M 10.1108/… no 2015-03… 0200101000836… no
#> 5 10.1007/s105… P2Y2M3D 10.1108/… no 2015-03… 0200101000836… no
#> 6 10.1007/s111… P5Y8M27D 10.1108/… no 2015-03… 0200101000836… no
#> 7 10.1016/j.we… P2Y3M 10.1108/… no 2015-03… 0200101000836… no
#> 8 10.1016/j.we… P1Y10M 10.1108/… no 2015-03… 0200101000836… no
#> 9 10.1023/a:10… P12Y 10.1108/… no 2015-03… 0200101000836… no
#> 10 10.1038/3507… P13Y10M 10.1108/… no 2015-03… 0200101000836… no
#> # … with 27 more rows
# citations
oc_coci_cites(doi1)
#> # A tibble: 20 x 7
#> cited timespan citing journal_sc creation oci author_sc
#> * <chr> <chr> <chr> <chr> <chr> <chr> <chr>
#> 1 10.1108/… P3Y 10.1145/… no 2018 0200101040536030… no
#> 2 10.1108/… P2Y5M 10.1057/… no 2017-08 0200100050736280… no
#> 3 10.1108/… P4Y1M1D 10.3233/… no 2019-04… 0200302030336132… no
#> 4 10.1108/… P4Y5M10D 10.3233/… no 2019-08… 0200302030336132… no
#> 5 10.1108/… P1Y0M14D 10.3233/… no 2016-03… 0200302030336283… no
#> 6 10.1108/… P3Y10M12D 10.3233/… no 2019-01… 0200302030336283… no
#> 7 10.1108/… P3Y6M 10.1142/… no 2018-09 0200101040236280… no
#> 8 10.1108/… P2Y11M20D 10.7554/… no 2018-03… 0200705050436142… no
#> 9 10.1108/… P0Y 10.3346/… no 2015 0200303040636192… no
#> 10 10.1108/… P3Y 10.1007/… no 2018 0200100000736090… no
#> 11 10.1108/… P2Y3M4D 10.1093/… no 2017-06… 0200100090336111… no
#> 12 10.1108/… P2Y 10.1007/… no 2017 0200100000736090… no
#> 13 10.1108/… P3Y11M 10.1186/… no 2019-02 0200101080636280… no
#> 14 10.1108/… P3Y 10.1007/… no 2018 0200100000736090… no
#> 15 10.1108/… P3Y 10.1007/… no 2018 0200100000736090… no
#> 16 10.1108/… P0Y 10.1007/… no 2015 0200100000736090… no
#> 17 10.1108/… P2Y 10.1007/… no 2017 0200100000736090… no
#> 18 10.1108/… P2Y9M12D 10.1007/… no 2017-12… 0200100000736090… no
#> 19 10.1108/… P1Y11M5D 10.1101/… no 2017-02… 0200101000136010… no
#> 20 10.1108/… P1Y4M1D 10.1177/… no 2016-07… 0200101070736000… no
# metadata
oc_coci_meta(doi1)
#> # A tibble: 1 x 13
#> issue oa_link citation_count author source_title citation source_id volume
#> * <chr> <chr> <chr> <chr> <chr> <chr> <chr> <chr>
#> 1 2 http:/… 20 Peron… Journal Of … 10.1145… issn:002… 71
#> # … with 5 more variables: year <chr>, page <chr>, doi <chr>, reference <chr>,
#> # title <chr>citecorp in R doing
citation(package = 'citecorp')
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