<?xml version="1.0"?>
<dblp>
<article key="journals/tois/EastmanJ03" mdate="2006-02-09">
<author>Caroline M. Eastman</author>
<author>Bernard J. Jansen</author>
<title>Coverage, relevance, and ranking: The impact of query operators on Web search engine results.</title>
<pages>383-411</pages>
<year>2003</year>
<volume>21</volume>
<journal>ACM Trans. Inf. Syst.</journal>
<number>4</number>
<ee>http://doi.acm.org/10.1145/944012.944015</ee>
<url>db/journals/tois/tois21.html#EastmanJ03</url>
</article>
</dblp>
