PMC:7796058 / 21139-21272
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T128","span":{"begin":0,"end":133},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"There were no specific standards in the field of indoor geospatial modelling until the OGC standard IndoorGML was introduced in 2014."}