DataARCH is an innovative next generation enterprise integration product designed to significantly reduce the time and resources required to integrate a large number of heterogeneous data sources. The product provides key integration capabilities to mediate between different data architectures and data types (Hadoop, RDBMS, etc.) as well as resolving conflicts in instance data. DataARCH is typically used to physically and virtually integrate disparate legacy databases and data services to create a unified Big Data view of the enterprise. An easy to use User Interface (UI) provides Enterprise Architects, Data Scientists and integration team members a tool to perform a variety of critical Big Data enterprise integration tasks. This innovative software provides a middleware component that mediates between multiple data models to enable rapid data integration and information fusion. DataARCH is designed to significantly reduce the amount of time required for enterprise data integration and allow for queries to be performed against cloud and non-cloud databases simultaneously. Additional key architectural and technical components include: The ability to import reference models via the Web Ontology Language (OWL) industry standard format; An easy-to-use interface that enables users to browse mappings and ontologies, as well as create mappings between ontologies in the system; A publishing capability to expose unified data as a new data source.