<?xml version="1.0"?>
<dblp>
<inproceedings key="conf/www/BroderCGJMRY09" mdate="2009-05-05">
<author>Andrei Z. Broder</author>
<author>Peter Ciccolo</author>
<author>Evgeniy Gabrilovich</author>
<author>Vanja Josifovski</author>
<author>Donald Metzler</author>
<author>Lance Riedel</author>
<author>Jeffrey Yuan</author>
<title>Online expansion of rare queries for sponsored search.</title>
<pages>511-520</pages>
<year>2009</year>
<booktitle>WWW</booktitle>
<ee>http://doi.acm.org/10.1145/1526709.1526778</ee>
<crossref>conf/www/2009</crossref>
<url>db/conf/www/www2009.html#BroderCGJMRY09</url>
</inproceedings>
</dblp>
