=Volume= {{Volume |number=2909 |storemode=property |wikidataid=Q113542126 |title=Proceedings of the 2nd Workshop on Patent Text Mining and Semantic Technologies (PatentSemTech) 2021 |acronym=PatentSemTech 2021 |url=http://ceur-ws.org/Vol-2909/ |date=2021-07-16 |k10plus=1771819502 |urn=urn:nbn:de:0074-1155-8 }}