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</h1></div><div role="toolbar" class="btn-toolbar"><div class="btn-group"><a href="/people/publications/date/Luke.Ong.html" aria-hidden="true" type="button" class="btn btn-oxford-blue"><span class="glyphicon glyphicon-sort-by-attributes"></span> By date</a><a href="/people/publications/title/Luke.Ong.html" aria-hidden="true" type="button" class="btn btn-default"><span class="glyphicon glyphicon-sort-by-attributes"></span> By title</a><a href="/people/publications/type/Luke.Ong.html" aria-hidden="true" type="button" class="btn btn-default"><span class="glyphicon glyphicon-sort-by-attributes"></span> By type</a><a href="/people/publications/bibtex/Luke.Ong.html" aria-hidden="true" type="button" class="btn btn-default"><span class="glyphicon glyphicon-file"></span> BibTex</a></div></div><p></p><ul class="list-unbulleted list-unbulleted-spaced"><li>
	
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	<p class="publicationTitle"> <strong>
            Verifying Higher&#x2212;Order Functional Programs with Pattern Matching Algebraic Data Types </strong> </p>
	    <p class="publicationAuthors"> <em> C.&#x2212;H. Luke Ong and Steven J. Ramsay  </em> </p>
	
	<p class="publicationDetails"> 
            In  
            <em>
            Proceedings of the 38th ACM SIGACT&#x2212;SIGPLAN Symposium on the Principles of Programming Languages (POPL '11)</em>.
        2011.
        </p>
	
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			Details <span class="sr-only" > about <em> Verifying Higher&#x2212;Order Functional Programs with Pattern Matching Algebraic Data Types  </em></span> </a> |
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	<p class="publicationTitle"> <strong>
            The Safe Lambda Calculus </strong> </p>
	    <p class="publicationAuthors"> <em> William Blum and C.&#x2212;H. Luke Ong  </em> </p>
	
	<p class="publicationDetails"> 
        In <em>Logic Methods in Computer Science</em>.
        
            Vol. 5.
        
            No. 1.
        2009.
        </p>
	
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            		href="/publications/publication2957-abstract.html">
			Details <span class="sr-only" > about <em> The Safe Lambda Calculus  </em></span> </a> |
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			BibTeX  <span class="sr-only" > data for <em> The Safe Lambda Calculus  </em></span>   </a>
			
			 | <a
		href="http://dx.doi.org/10.2168/LMCS-5(1:3)2009">
		DOI (10.2168/LMCS-5(1:3)2009)
		</a> 
					| <a href="http://www.lmcs-online.org/ojs/viewarticle.php?id=424&layout=abstract"> Link <span class="sr-only" > to <em> The Safe Lambda Calculus  </em></span> </a>
  				
		
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	<p class="publicationTitle"> <strong>
            Symbolic Backwards Reachability Analysis for Higher&#x2212;Order Pushdown Systems </strong> </p>
	    <p class="publicationAuthors"> <em> M. Hague and C.&#x2212;H. L. Ong  </em> </p>
	
	<p class="publicationDetails"> 
            In  
            <em>
            FoSSaCS</em>.
        2007.
        </p> <p
            class="publicationNote"> <a href="http://www.comlab.ox.ac.uk/people/matthew.hague/FoSSaCS07&#x2212;long.pdf">Long Version (pdf)</a></p>
	
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	<p class="publicationTitle"> <strong>
            Safety is not a restriction at level 2 for string languages </strong> </p>
	    <p class="publicationAuthors"> <em> K. Aehlig&#x201a; J. G. de Miranda and C.&#x2212;H. L. Ong  </em> </p>
	
	<p class="publicationDetails"> 
            No. RR&#x2212;04&#x2212;23.
        Oxford University Computing Laboratory.
        October,
            2004.
        </p>
	
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