What is“ Big data Integration?” o Big data integration= Big data+ data integration Data integration: easy access to multiple data sources[DH[12 Virtual: mediated schema, query reformulation, link fuse answers Warehouse: materialized data, easy querying, consistency issues ◆ Big data: all about the v Size: large volume of data, collected and analyzed at high velocity Complexity huge variety of data, of questionable veracity Utility: data of considerable valueWhat is “Big Data Integration?”  Big data integration = Big data + data integration  Data integration: easy access to multiple data sources [DHI12] – Virtual: mediated schema, query reformulation, link + fuse answers – Warehouse: materialized data, easy querying, consistency issues  Big data: all about the V’s ☺ – Size: large volume of data, collected and analyzed at high velocity – Complexity: huge variety of data, of questionable veracity – Utility: data of considerable value 2