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                  <h1>Models and technologies for secure data sharing</h1>
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         <p>Our research considers the theoretical and practical issues surrounding secure, assured data sharing in data-driven environments.</p>
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            <h3>Past Members</h3>
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            <div itemscope="itemscope" itemtype="http://schema.org/Person"
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                     <span itemprop="name">David Power</span>
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                  <span class="newcaption">
                     <span itemprop="name">Douglas Russell</span>
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                  <span class="newcaption">
                     <span itemprop="name">Clint Sieunarine</span>
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                     <span itemprop="name">Mark Slaymaker</span>
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         <h2>Selected Publications</h2>
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         <ul class="list-unbulleted list-unbulleted-spaced"><li> <p class="publicationTitle"> <strong>
            On formalising and normalising role&#x2212;based access control systems </strong> </p>
            	    <p class="publicationAuthors"> <em> D. J. Power M. A. Slaymaker and A. C. Simpson  </em> </p>
            	
            	
            	<p class="publicationDetails"> 
            In <em>The Computer Journal</em>.
            
            Vol. 52.
            
            No. 3.
            
            Pages 305&#x2212;325.
            2009.
            </p>
            	
            <p class="publicationlinks"> <a
            
            href="/publications/publication3060-abstract.html"> Details   <span class="sr-only" > about <em> On formalising and normalising
            role&#x2212;based access control systems  </em></span> </a> | <a
            
            href="/publications/publication3060.bib"> BibTeX  <span class="sr-only" > data for <em> On formalising and normalising role&#x2212;based
            access control systems  </em></span>   </a>  | <a
            href="http://dx.doi.org/doi:10.1093/comjnl/bxn016">
            DOI (doi:10.1093/comjnl/bxn016)
            </a> </li><li> <p class="publicationTitle"> <strong>
            Formalising and validating RBAC&#x2212;to&#x2212;XACML translation using lightweight formal methods </strong> </p>
            	    <p class="publicationAuthors"> <em> Mark Slaymaker&#x201a; David Power and Andrew Simpson  </em> </p>
            	
            	
            	<p class="publicationDetails"> 
            In  
            <em>
            Proceedings of Abstract State Machines&#x201a; Alloy&#x201a; B and Z (ABZ 2010)</em>.
            
            Pages 349&#x2013;362.
            Springer&#x2212;Verlag Lecture Notes in Computer Science&#x201a; volume 5977.
            2010.
            </p>
            	
            <p class="publicationlinks"> <a
            
            href="/publications/publication3652-abstract.html"> Details   <span class="sr-only" > about <em> Formalising and validating
            RBAC&#x2212;to&#x2212;XACML translation using lightweight formal methods  </em></span> </a> | <a
            
            href="/publications/publication3652.bib"> BibTeX  <span class="sr-only" > data for <em> Formalising and validating RBAC&#x2212;to&#x2212;XACML
            translation using lightweight formal methods  </em></span>   </a> </li><li> <p class="publicationTitle"> <strong>
            GIMI: The past&#x201a; the present&#x201a; and the future </strong> </p>
            	    <p class="publicationAuthors"> <em> A.&#xa0;C. Simpson&#x201a; D.&#xa0;J. Power&#x201a; D. Russell&#x201a; M.&#xa0;A.
            Slaymaker&#x201a; V. Bailey&#x201a; C.&#xa0;E. Tromans&#x201a; J.&#xa0;M. Brady and L. Tarassenko  </em> </p>
            	
            	
            	<p class="publicationDetails"> 
            In <em>Philosophical Transactions of the Royal Society A: Mathematical&#x201a; Physical and Engineering Sciences</em>.
            
            Vol. 368.
            
            Pages 3891&#x2013;3905.
            2010.
            </p>
            	
            <p class="publicationlinks"> <a
            
            href="/publications/publication3683-abstract.html"> Details   <span class="sr-only" > about <em> GIMI: The past&#x201a; the
            present&#x201a; and the future  </em></span> </a> | <a
            
            href="/publications/publication3683.bib"> BibTeX  <span class="sr-only" > data for <em> GIMI: The past&#x201a; the present&#x201a;
            and the future  </em></span>   </a> </li>
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                           <a href="http://www.cs.ox.ac.uk/people/david.power/sif-flyer.pdf">Research overview</a>
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                           <a href="http://www.cs.ox.ac.uk/people/david.power/poster.pdf">Poster</a>
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                           <a href="/projects/Gauge/">Gauge</a>
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                           <a href="/projects/contextsensitiveaccesscontrol/">Models and technologies for assured, context-sensitive access control</a>
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                           <a href="/projects/sif/">sif</a>
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                           <a href="/projects/SOFA/">SOFA</a>
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                           <a href="/projects/GIMI/">Generic Infrastructure for Medical Informatics</a>
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                           <a href="/projects/neurogrid/">NeuroGrid</a>
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