Metadata

Identifying a COVID-19 subset

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX fhir: <http://hl7.org/fhir/>
PREFIX pmc: <https://www.ncbi.nlm.nih.gov/pmc/articles#>
PREFIX dc: <http://purl.org/dc/terms/>
SELECT distinct (count(?pmc) as ?count) WHERE {
?pmc dc:title ?title;
     dc:abstract ?abstract .
    FILTER (contains (?title, "COVID-19") || 
        contains (?title, "COVID 19") || 
        contains (?title, "SARS-CoV-2") ||
        contains (?title, "2019-nCoV") ||
        contains (?title, "Coronavirus Disease 2019") ||
        contains (?title, "novel coronavirus") ||
        contains (?abstract, "COVID-19") || 
        contains (?abstract, "COVID 19") || 
        contains (?abstract, "SARS-CoV-2") ||
        contains (?abstract, "2019-nCoV") ||
        contains (?abstract, "Coronavirus Disease 2019") ||
        contains (?abstract, "novel coronavirus")) .
    
}

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