@prefix gacs: . @prefix rdf: . @prefix dc: . @prefix rdfs: . @prefix owl: . @prefix skos: . gacs:def_695971c5 rdf:value "The populations of mRNA transcripts in cells, weighted by their expression levels (D. Greenbaum et al. (2001) Genome Research, 11: 1463-1468)."@en ; dc:source ; a . rdfs:label "Concept definition"@en ; a owl:Class . gacs:C8994 skos:definition gacs:def_695971c5 .