Demonstrating KDBMS: A Knowledge-based Database Management System

We demonstrate a KDBMS, a prototype system which seamlessly integrates Knowledge base and DBMS. While state-of-the-art approaches, i.e., Ontology-based data access, denoted as OBDA, use ontologies to only query data stored in relational databases using SPARQL. In this demo, we present a high level description of the proposed system, introduce a new knowledge-based query language, denoted as KQL, and highlight some query optimization opportunities by employing knowledge across database layers in query optimization, and query processing, while ease the administrating for a complex database schema.