europepmc (version 0.3)

epmc_tm_count: Retrieve the number of database links from Europe PMC publication database

Description

This function returns the number of database links for each EBI database from Europe PMC RESTful Web Service.

Usage

epmc_tm_count(ext_id = NULL, data_src = "med")

Arguments

ext_id

character, publication identifier

data_src

character, data source, by default Pubmed/MedLine index will be searched.

Value

data.frame with counts for each semantic type

Details

Europe PMC supports the following semantic types:

ACCESSION

accession IDs for DNA or protein sequences

CHEMICAL

chemicals

DISEASE

diseases

EFO

Experimental Factor Ontology (http://www.ebi.ac.uk/efo/)

GENE_PROTEIN

gene proteins

GO_TERM

Gene Ontology Terms (http://geneontology.org/)

ORGANISM

organism

Examples

# NOT RUN {
  
# }
# NOT RUN {
  epmc_tm_count("PMC4340542", data_src = "pmc")
  
# }