Added references to "Explorer"
Added references to "Explorer"

pmadrigal/Crossdata,Stratio/crossdata,pmadrigal/Crossdata,hdominguez1989/Crossdata,luismcl/crossdata,Stratio/crossdata,darroyocazorla/crossdata,gserranojc/Crossdata,gserranojc/Crossdata,compae/Crossdata,miguel0afd/crossdata,jjlopezm/crossdata,compae/Crossdata,hdominguez1989/Crossdata,jjlopezm/crossdata,miguel0afd/crossdata,luismcl/crossdata,darroyocazorla/crossdata