Measure-driven Keyword-Query Expansion.

Nikos Sarkas Nilesh Bansal Gautam Das Nick Koudas Measure-driven Keyword-Query Expansion. 121-132 2009 2 PVLDB 1 http://www.vldb.org/pvldb/2/vldb09-777.pdf db/journals/pvldb/pvldb2.html#SarkasBDK09