Efficient keyword proximity search using a frontier-reduce strategy based on <i>d</i>-distance graph index.

Ming Zhong 0002 Mengchi Liu Efficient keyword proximity search using a frontier-reduce strategy based on <i>d</i>-distance graph index. 206-216 2009 IDEAS http://doi.acm.org/10.1145/1620432.1620453 conf/ideas/2009 db/conf/ideas/ideas2009.html#ZhongL09