title: dbxplorer : enabling keyword search over relational databases. authors: s agrawal , s chaudhuri , g das. venue: sigmod conference. year: 2002
title: bidirectional expansion for keyword search on graph databases. authors: v kacholia , s pandit , s chakrabarti , s sudarshan ,. venue: proceedings of the 31st international conference on very & hellip ; ,. year: 2005.0