<?xml version="1.0"?>
<dblp>
<inproceedings key="conf/ideal/SilvaR09" mdate="2009-09-30">
<author>Catarina Silva</author>
<author>Bernardete Ribeiro</author>
<title>Knowledge Extraction with Non-Negative Matrix Factorization for Text Classification.</title>
<pages>300-308</pages>
<year>2009</year>
<booktitle>IDEAL</booktitle>
<ee>http://dx.doi.org/10.1007/978-3-642-04394-9_37</ee>
<crossref>conf/ideal/2009</crossref>
<url>db/conf/ideal/ideal2009.html#SilvaR09</url>
</inproceedings>
</dblp>
