<?xml version="1.0"?>
<dblp>
<article key="journals/isci/CandanGS97" mdate="2003-11-24">
<author>K. Sel&#231;uk Candan</author>
<author>John Grant</author>
<author>V. S. Subrahmanian</author>
<title>A Unified Treatment of Null Values Using Constraints.</title>
<pages>99-156</pages>
<year>1997</year>
<volume>98</volume>
<journal>Inf. Sci.</journal>
<number>1-4</number>
<url>db/journals/isci/isci98.html#CandanGS97</url>
</article>
</dblp>
