<?xml version="1.0"?>
<dblp>
<article key="journals/tods/BertinoBFS98" mdate="2008-06-25">
<author>Elisa Bertino</author>
<author>Claudio Bettini</author>
<author>Elena Ferrari</author>
<author>Pierangela Samarati</author>
<title>An Access Control Model Supporting Periodicity Constraints and Temporal Reasoning.</title>
<pages>231-285</pages>
<cdrom>TODS23/P231.PDF</cdrom>
<year>1998</year>
<volume>23</volume>
<journal>ACM Trans. Database Syst.</journal>
<number>3</number>
<url>db/journals/tods/tods23.html#BertinoBFS98</url>
<ee>http://doi.acm.org/10.1145/293910.293151</ee>
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</article>
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