graph databases , semantic modeling , Sparql, Metadata Management, Pyspark, Schema Design, Apache Nifi, ELT, Tensorflow, Apache Airflow, Rdf, Pytorch, Neo4j, Python, Sql, Spark, Etl, Databricks Unified Data Analytics Platform, LPG, SHACL, ontology management, Relational Databases, Amazon Neptune, object stores, owl, Stardog, taxonomy management, knowledge graph curation