<?xml version="1.0"?>
<dblp>
<article key="journals/ieeesp/PretschnerHSSW08" mdate="2009-11-17">
<author>Alexander Pretschner</author>
<author>Manuel Hilty</author>
<author>Florian Sch&#252;tz</author>
<author>Christian Schaefer</author>
<author>Thomas Walter</author>
<title>Usage Control Enforcement: Present and Future.</title>
<pages>44-53</pages>
<year>2008</year>
<volume>6</volume>
<journal>IEEE Security &amp; Privacy</journal>
<number>4</number>
<ee>http://dx.doi.org/10.1109/MSP.2008.101</ee>
<url>db/journals/ieeesp/ieeesp6.html#PretschnerHSSW08</url>
</article>
</dblp>
