title: query previews for networked information systems : a case study with nasa environmental data. authors: khoa doan , catherine plaisant , ben shneiderman , tom bruns. venue: sigmod record. year: 1997
title: the ecobase project : database and web technologies for environmental information systems. authors: luc bouganim , maria claudia cavalcanti , fran &#231; oise fabret , maria luiza campos , fran &#231; ois llirbat , marta mattoso , rubens melo , ana maria moura , esther pacitti , fabio porto , margareth simoes , eric simon , asterio tanaka , patrick valduriez. venue: acm sigmod record. year: 2001