The Triple Vocabulary is a multilingual and hierarchical set of SSH-related concepts. It is a subset of LCSH (Library of Congress Subject Headings) that cover popular SSH aspects and is enhanced with labels in Greek, French, Polish, German, Italian, Portuguese, Spanish and Croatian. The vocabulary is used for the automatic annotation of the publications hosted in the GoTriple platform (https://www.gotriple.eu/). doi: 10.12681/semantics.gr/SSH-LCSH