Atanas is a leading expert in semantic/graph databases and knowledge representation. He is the author of multiple signature industry publications, including chapters from the acclaimed Handbook of Semantic Web Technologies. Atanas is the founder and CEO of Ontotext, a Sirma Group Company. His history in semantics dates back to 1993 when he decided to split his interests between knowledge representation, jazz and poetry. MSc in Informatics, University of Sofia.
Vladimir’s experience includes ontology engineering, metadata standards, vocabularies and thesauri, RDF, RDFS, OWL2, SHACL, SKOS, SPARQL, LOD, mapping, R2RML, ETL, CDOC-CRM, semantic web applications, project management, business analysis and requirements specifications.
He has worked in various domains – from Customs and Excise, to Finance, Legal, Statistics, and Cultural Heritage. He served on 5 Europeana task forces, the Members Council, DBpedia Ontology and Data Quality committee. Vladimir has contributed to the ontology definition of the ISO 25964 standard for thesauri management.
PhD in Computing Science, University of Alberta; MSc, Technical University of Sofia. Publications: http://vladimiralexiev.github.io/pubs/.
As Semantic Data Integration Consultant, Planen is primarily responsible for ETL of various sources to RDF. Mappings, entity matching and process automation are among his secondary responsibilities. He has also experience in the Marketing Research industry as data processing specialist.
