About: virtual reference

Premodifier: virtual
Head noun: reference

Same concepts
http://dbpedia.org/resource/Digital_reference

Broader concepts

label	provenance	confidence
research support service	isap:25017111	0.790277
library service	isap:25017115	0.747293
reference service	isap:25017100	0.675355
reference	isap:352379349	0.554997
service	isap:25017107	0.395315

Narrower concepts

label	provenance	confidence
chat	isap:286692170	0.419453