Metadology provides edge technologies and we have a dedicated team that constantly researches the trends in BigData, Data Visualization, Open Data and Interoperability, providing open source solutions to our clients. Our area of particular expertise are bigdata solutions (based on Apache Hadoop) as Cloudera, Hortonworks and wso2, Search engines (Solr and Elasticsearch), data visualization and dashboards (PlayFramework, Html5, css3, jquery and AngularJS) and Open Data platforms (ckan, Apache Marmotta/Virtuoso). We specialize in big data collection and, dataflow management with Apache Nifi / Hortonworks DataFlow (HDF).