Hi we are having 6 years of experience in Data mining & ETL tools development. we are expert in core and advanced java and Weka , and database like sql,mysql,Excel, Access, Oracle, IBM DB2, Microsoft SQL, Sybase, Ingres, MySQL, Postgres, SPSS, dBase. our team size is 25. we are ready to develop your web based tool. if you are interested to work with us contact me me and test our skills.