This book constitutes the thoroughly refereed proceedings of the First Iberoamerican Conference, KGSWC 2019, held in Villa Clara, Cuba, in June 2019.The 14 full papers and 1 short paper presented were carefully reviewed and selected from 33 submissions. natural language processing; semantic web description languages;

A Model for Language Annotations on the Web.- A Description Logic for Unifying Different Points of View.- OceanGraph: Some Initial Steps Toward a Oceanographic KnowledgeGraph.- Digital Repositories and Linked Data: Lessons Learned and Challenges.- Author-Topic Classication based on Semantic Knowledge.- A General Process for the Semantic Annotation and Enrichment of Electronic Program Guides.- Extraction of Semantic Web Statements from Text.- Meta-modelling Ontology Design Pattern.- Automated Large Geographic Ontologies Generation Method from Spatial Databases. -Towards the Semantic Enrichment of Existing Online 3D Building Geometry to Publish Linked Building Data.- A Method for Automatically Generating Schema Diagrams for Modular Ontologies.-Conformance Test Cases for the RDF Mapping Language (RML).- Expressive Context Modeling with Description Logics. -Dimensions Affecting Representation Styles in Ontologies.