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			</style>[an error occurred while processing this directive]<div class="content-width"><ol class="breadcrumb text-uppercase"><li><a href="/">Home</a></li><li><a href="/research/">Research</a></li><li><a href="/research/ai_ml/">Artificial Intelligence and Machine Learning</a></li><li><a href="/research/ai_ml/projects.html">projects</a></li><li><a href="/projects/vada/">VADA</a></li><li class="active">Publications</li></ol></div><!-- MOBILE NAVIGATION --><div class="content-width space-below mobile-menu-placeholder visible-xs visible-sm"></div><!-- COLUMNS --><div class="container-fluid content-width"><div class="row"><div class="col-xs-12 col-md-9 col-md-push-3" id="maincontent"><!-- CONTENT (Column 2) --><div class="page-title"><h1>VADA: Publications
</h1></div><div role="toolbar" class="btn-toolbar"><div class="btn-group"><a href="/projects/publications/date/vada.html" aria-hidden="true" type="button" class="btn btn-oxford-blue"><span class="glyphicon glyphicon-sort-by-attributes"></span> By date</a><a href="/projects/publications/title/vada.html" aria-hidden="true" type="button" class="btn btn-default"><span class="glyphicon glyphicon-sort-by-attributes"></span> By title</a><a href="/projects/publications/type/vada.html" aria-hidden="true" type="button" class="btn btn-default"><span class="glyphicon glyphicon-sort-by-attributes"></span> By type</a><a href="/projects/publications/bibtex/vada.html" aria-hidden="true" type="button" class="btn btn-default"><span class="glyphicon glyphicon-file"></span> BibTex</a></div></div><ul class="list-unbulleted list-unbulleted-spaced"><li>
	
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	<p class="publicationTitle"> <strong>
            Complexity Results for Preference Aggregation over (m)CP&#x2212;nets: Pareto and Majority Voting </strong> </p>
	    <p class="publicationAuthors"> <em> Thomas Lukasiewicz and Enrico Malizia  </em> </p>
	
	<p class="publicationDetails"> 
        In <em>Artificial Intelligence</em>.
        
            Vol. 272.
        
                Pages 101&#x2013;142.
            July,
            2019.
        </p>
	
        		<p class="publicationlinks"> <a
        
            		href="/publications/publication12255-abstract.html">
			Details <span class="sr-only" > about <em> Complexity Results for Preference Aggregation over (m)CP&#x2212;nets: Pareto and Majority Voting  </em></span> </a> |
			<a href="/publications/publication12255.bib">
			BibTeX  <span class="sr-only" > data for <em> Complexity Results for Preference Aggregation over (m)CP&#x2212;nets: Pareto and Majority Voting  </em></span>   </a>
			
			
					| <a href="https://doi.org/10.1016/j.artint.2018.12.010"> Link <span class="sr-only" > to <em> Complexity Results for Preference Aggregation over (m)CP&#x2212;nets: Pareto and Majority Voting  </em></span> </a>
  				
		
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	<p class="publicationTitle"> <strong>
            A Tutorial on Query Answering and Reasoning over Probabilistic Knowledge Bases </strong> </p>
	    <p class="publicationAuthors"> <em> &#x0130;smail &#x0130;lkan Ceylan and Thomas Lukasiewicz  </em> </p>
	
	<p class="publicationDetails"> 
            In Claudia d'Amato and Martin Theobald, editors,
             
            <em>
            Reasoning Web. Learning&#x201a; Uncertainty&#x201a; Streaming&#x201a; and Scalability &#x2014; 14th International Summer School 2018&#x201a; Esch&#x2212;sur&#x2212;Alzette&#x201a; Luxembourg&#x201a; September 22&#x2212;26&#x201a; 2018&#x201a; Tutorial Lectures</em>.
        
            Vol. 11078
                of Lecture Notes in Computer Science.
        
                Pages 35&#x2013;77.
            Springer.
        August,
            2018.
        </p>
	
        		<p class="publicationlinks"> <a
        
            		href="/publications/publication12139-abstract.html">
			Details <span class="sr-only" > about <em> A Tutorial on Query Answering and Reasoning over Probabilistic Knowledge Bases  </em></span> </a> |
			<a href="/publications/publication12139.bib">
			BibTeX  <span class="sr-only" > data for <em> A Tutorial on Query Answering and Reasoning over Probabilistic Knowledge Bases  </em></span>   </a>
			
			
					| <a href="https://doi.org/10.1007/978-3-030-00338-8_3"> Link <span class="sr-only" > to <em> A Tutorial on Query Answering and Reasoning over Probabilistic Knowledge Bases  </em></span> </a>
  				
		
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	<p class="publicationTitle"> <strong>
            Lightweight Tag&#x2212;Aware Personalized Recommendation on the Social Web Using Ontological Similarity </strong> </p>
	    <p class="publicationAuthors"> <em> Zhenghua Xu&#x201a; Oana Tifrea&#x2212;Marciuska&#x201a; Thomas Lukasiewicz&#x201a; Maria Vanina Martinez&#x201a; Gerardo I. Simari and Cheng Chen  </em> </p>
	
	<p class="publicationDetails"> 
        In <em>IEEE Access</em>.
        
            Vol. 6.
        
            No. 1.
        
                Pages 35590&#x2212;35610.
            July,
            2018.
        </p>
	
        		<p class="publicationlinks"> <a
        
            		href="/publications/publication12042-abstract.html">
			Details <span class="sr-only" > about <em> Lightweight Tag&#x2212;Aware Personalized Recommendation on the Social Web Using Ontological Similarity  </em></span> </a> |
			<a href="/publications/publication12042.bib">
			BibTeX  <span class="sr-only" > data for <em> Lightweight Tag&#x2212;Aware Personalized Recommendation on the Social Web Using Ontological Similarity  </em></span>   </a>
			
			
					| <a href="http://dx.doi.org/10.1109/ACCESS.2018.2850762"> Link <span class="sr-only" > to <em> Lightweight Tag&#x2212;Aware Personalized Recommendation on the Social Web Using Ontological Similarity  </em></span> </a>
  				
		
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	<p class="publicationTitle"> <strong>
            Recent Advances in Querying Probabilistic Knowledge Bases </strong> </p>
	    <p class="publicationAuthors"> <em> Stefan Borgwardt&#x201a; &#x0130;smail &#x0130;lkan Ceylan and Thomas Lukasiewicz  </em> </p>
	
	<p class="publicationDetails"> 
            In J&#xe9;r&#xf4;me Lang, editor,
             
            <em>
            Proceedings of the 27th International Joint Conference on Artificial Intelligence and the 23rd European Conference on Artificial Intelligence&#x201a; IJCAI&#x2212;ECAI 2018&#x201a; Stockholm&#x201a; Sweden&#x201a; July 13&#x2212;19&#x201a; 2018</em>.
        
                Pages 5420&#x2212;5426.
            IJCAI/AAAI Press.
        July,
            2018.
        </p>
	
        		<p class="publicationlinks"> <a
        
            		href="/publications/publication11928-abstract.html">
			Details <span class="sr-only" > about <em> Recent Advances in Querying Probabilistic Knowledge Bases  </em></span> </a> |
			<a href="/publications/publication11928.bib">
			BibTeX  <span class="sr-only" > data for <em> Recent Advances in Querying Probabilistic Knowledge Bases  </em></span>   </a>
			
			
					| <a href="https://doi.org/10.24963/ijcai.2018/765"> Link <span class="sr-only" > to <em> Recent Advances in Querying Probabilistic Knowledge Bases  </em></span> </a>
  				
		
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	<p class="publicationTitle"> <strong>
            Complexity of Approximate Query Answering under Inconsistency in Datalog+&#x2044;&#x2212; </strong> </p>
	    <p class="publicationAuthors"> <em> Thomas Lukasiewicz&#x201a; Enrico Malizia and Cristian Molinaro  </em> </p>
	
	<p class="publicationDetails"> 
            In J&#xe9;r&#xf4;me Lang, editor,
             
            <em>
            Proceedings of the 27th International Joint Conference on Artificial Intelligence and the 23rd European Conference on Artificial Intelligence&#x201a; IJCAI&#x2212;ECAI 2018&#x201a; Stockholm&#x201a; Sweden&#x201a; July 13&#x2212;19&#x201a; 2018</em>.
        
                Pages 1921&#x2212;1927.
            IJCAI/AAAI Press.
        July,
            2018.
        </p>
	
        		<p class="publicationlinks"> <a
        
            		href="/publications/publication11917-abstract.html">
			Details <span class="sr-only" > about <em> Complexity of Approximate Query Answering under Inconsistency in Datalog+&#x2044;&#x2212;  </em></span> </a> |
			<a href="/publications/publication11917.bib">
			BibTeX  <span class="sr-only" > data for <em> Complexity of Approximate Query Answering under Inconsistency in Datalog+&#x2044;&#x2212;  </em></span>   </a>
			
			
					| <a href="https://www.ijcai.org/proceedings/2018/265"> Link <span class="sr-only" > to <em> Complexity of Approximate Query Answering under Inconsistency in Datalog+&#x2044;&#x2212;  </em></span> </a>
  				
		
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	<p class="publicationTitle"> <strong>
            Ontological Query Answering under Many&#x2212;Valued Group Preferences in Datalog+&#x2044;&#x2212; </strong> </p>
	    <p class="publicationAuthors"> <em> Bettina Fazzinga&#x201a; Thomas Lukasiewicz&#x201a; Maria Vanina Martinez&#x201a; Gerardo I. Simari and Oana Tifrea&#x2212;Marciuska  </em> </p>
	
	<p class="publicationDetails"> 
        In <em>International Journal of Approximate Reasoning</em>.
        
            Vol. 93.
        
                Pages 354&#x2013;371.
            February,
            2018.
        </p>
	
        		<p class="publicationlinks"> <a
        
            		href="/publications/publication11520-abstract.html">
			Details <span class="sr-only" > about <em> Ontological Query Answering under Many&#x2212;Valued Group Preferences in Datalog+&#x2044;&#x2212;  </em></span> </a> |
			<a href="/publications/publication11520.bib">
			BibTeX  <span class="sr-only" > data for <em> Ontological Query Answering under Many&#x2212;Valued Group Preferences in Datalog+&#x2044;&#x2212;  </em></span>   </a>
			
			
					| <a href="https://doi.org/10.1016/j.ijar.2017.11.008"> Link <span class="sr-only" > to <em> Ontological Query Answering under Many&#x2212;Valued Group Preferences in Datalog+&#x2044;&#x2212;  </em></span> </a>
  				
		
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	<p class="publicationTitle"> <strong>
            Learning Structured Video Descriptions: Automated Video Knowledge Extraction for Video Understanding Tasks </strong> </p>
	    <p class="publicationAuthors"> <em> Daniel Vasile and Thomas Lukasiewicz  </em> </p>
	
	<p class="publicationDetails"> 
            In Herv&#xe9; Panetto&#x201a; Christophe Debruyne&#x201a; Henderik A. Proper&#x201a; Claudio Agostino Ardagna&#x201a; Dumitru Roman and Robert Meersman, editors,
             
            <em>
            On the Move to Meaningful Internet Systems. OTM 2018 Conferences: Confederated International Conferences: CoopIS&#x201a; C&TC&#x201a; and ODBASE 2018&#x201a; Valletta&#x201a; Malta&#x201a; October 23&#x2212;24&#x201a; 2018</em>.
        
            Vol. 11230
                of Lecture Notes in Computer Science.
        
                Pages 315&#x2212;332.
            Springer.
        October,
            2018.
        </p>
	
        		<p class="publicationlinks"> <a
        
            		href="/publications/publication12138-abstract.html">
			Details <span class="sr-only" > about <em> Learning Structured Video Descriptions: Automated Video Knowledge Extraction for Video Understanding Tasks  </em></span> </a> |
			<a href="/publications/publication12138.bib">
			BibTeX  <span class="sr-only" > data for <em> Learning Structured Video Descriptions: Automated Video Knowledge Extraction for Video Understanding Tasks  </em></span>   </a>
			
			
					| <a href="https://doi.org/10.1007/978-3-030-02671-4_20"> Link <span class="sr-only" > to <em> Learning Structured Video Descriptions: Automated Video Knowledge Extraction for Video Understanding Tasks  </em></span> </a>
  				
		
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	<p class="publicationTitle"> <strong>
            A Novel Characterization of the Complexity Class &#x0398;^P_k Based on Counting and Comparison </strong> </p>
	    <p class="publicationAuthors"> <em> Thomas Lukasiewicz and Enrico Malizia  </em> </p>
	
	<p class="publicationDetails"> 
        In <em>Theoretical Computer Science</em>.
        
            Vol. 694.
        
                Pages 21&#x2013;33.
            September,
            2017.
        </p>
	
        		<p class="publicationlinks"> <a
        
            		href="/publications/publication11078-abstract.html">
			Details <span class="sr-only" > about <em> A Novel Characterization of the Complexity Class &#x0398;^P_k Based on Counting and Comparison  </em></span> </a> |
			<a href="/publications/publication11078.bib">
			BibTeX  <span class="sr-only" > data for <em> A Novel Characterization of the Complexity Class &#x0398;^P_k Based on Counting and Comparison  </em></span>   </a>
			
			
					| <a href="https://doi.org/10.1016/j.tcs.2017.06.023"> Link <span class="sr-only" > to <em> A Novel Characterization of the Complexity Class &#x0398;^P_k Based on Counting and Comparison  </em></span> </a>
  				
		
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	<p class="publicationTitle"> <strong>
            Tag&#x2212;Aware Personalized Recommendation Using a Hybrid Deep Model </strong> </p>
	    <p class="publicationAuthors"> <em> Zhenghua Xu&#x201a; Thomas Lukasiewicz&#x201a; Cheng Chen&#x201a; Yishu Miao and Xiangwu Meng  </em> </p>
	
	<p class="publicationDetails"> 
            In Carles Sierra, editor,
             
            <em>
            Proceedings of the 26th International Joint Conference on Artificial Intelligence&#x201a; IJCAI 2017&#x201a; Melbourne&#x201a; Australia&#x201a; August 19&#x2212;25&#x201a; 2017</em>.
        
                Pages 3196&#x2013;3202.
            IJCAI/AAAI Press.
        August,
            2017.
        </p>
	
        		<p class="publicationlinks"> <a
        
            		href="/publications/publication10960-abstract.html">
			Details <span class="sr-only" > about <em> Tag&#x2212;Aware Personalized Recommendation Using a Hybrid Deep Model  </em></span> </a> |
			<a href="/publications/publication10960.bib">
			BibTeX  <span class="sr-only" > data for <em> Tag&#x2212;Aware Personalized Recommendation Using a Hybrid Deep Model  </em></span>   </a>
			
			
					| <a href="https://www.ijcai.org/proceedings/2017/0446.pdf"> Download (pdf)  <span class="sr-only" > of <em> Tag&#x2212;Aware Personalized Recommendation Using a Hybrid Deep Model  </em></span>   </a>
  				
		
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	<p class="publicationTitle"> <strong>
            Query Answering in Ontologies Under Preference Rankings </strong> </p>
	    <p class="publicationAuthors"> <em> &#x0130;smail &#x0130;lkan Ceylan&#x201a; Thomas Lukasiewicz&#x201a; Rafael Pe&#xf1;aloza and Oana Tifrea&#x2212;Marciuska  </em> </p>
	
	<p class="publicationDetails"> 
            In Carles Sierra, editor,
             
            <em>
            Proceedings of the 26th International Joint Conference on Artificial Intelligence&#x201a; IJCAI 2017&#x201a; Melbourne&#x201a; Australia&#x201a; August 19&#x2212;25&#x201a; 2017</em>.
        
                Pages 943&#x2013;949.
            IJCAI/AAAI Press.
        August,
            2017.
        </p>
	
        		<p class="publicationlinks"> <a
        
            		href="/publications/publication10959-abstract.html">
			Details <span class="sr-only" > about <em> Query Answering in Ontologies Under Preference Rankings  </em></span> </a> |
			<a href="/publications/publication10959.bib">
			BibTeX  <span class="sr-only" > data for <em> Query Answering in Ontologies Under Preference Rankings  </em></span>   </a>
			
			
					| <a href="https://www.ijcai.org/proceedings/2017/0131.pdf"> Download (pdf)  <span class="sr-only" > of <em> Query Answering in Ontologies Under Preference Rankings  </em></span>   </a>
  				
		
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	<p class="publicationTitle"> <strong>
            Many Facets of Reasoning Under Uncertainty&#x201a; Inconsistency&#x201a; Vagueness&#x201a; and Preferences: A Brief Survey </strong> </p>
	    <p class="publicationAuthors"> <em> Gabriele Kern&#x2212;Isberner and Thomas Lukasiewicz  </em> </p>
	
	<p class="publicationDetails"> 
        In <em>K&#xfc;nstliche Intelligenz</em>.
        
            Vol. 31.
        
            No. 1.
        
                Pages 9&#x2013;13.
            March,
            2017.
        </p>
	
        		<p class="publicationlinks"> <a
        
            		href="/publications/publication10850-abstract.html">
			Details <span class="sr-only" > about <em> Many Facets of Reasoning Under Uncertainty&#x201a; Inconsistency&#x201a; Vagueness&#x201a; and Preferences: A Brief Survey  </em></span> </a> |
			<a href="/publications/publication10850.bib">
			BibTeX  <span class="sr-only" > data for <em> Many Facets of Reasoning Under Uncertainty&#x201a; Inconsistency&#x201a; Vagueness&#x201a; and Preferences: A Brief Survey  </em></span>   </a>
			
			
					| <a href="http://dx.doi.org/10.1007/s13218-016-0480-6"> Link <span class="sr-only" > to <em> Many Facets of Reasoning Under Uncertainty&#x201a; Inconsistency&#x201a; Vagueness&#x201a; and Preferences: A Brief Survey  </em></span> </a>
  				
		
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	<p class="publicationTitle"> <strong>
            Location&#x2212;Aware Personalized News Recommendation with Deep Semantic Analysis </strong> </p>
	    <p class="publicationAuthors"> <em> Cheng Chen&#x201a; Xiangwu Meng&#x201a; Zhenghua Xu and Thomas Lukasiewicz.  </em> </p>
	
	<p class="publicationDetails"> 
        In <em>IEEE Access</em>.
        
            Vol. 5.
        
                Pages 1624&#x2013;1638.
            January,
            2017.
        </p>
	
        		<p class="publicationlinks"> <a
        
            		href="/publications/publication10849-abstract.html">
			Details <span class="sr-only" > about <em> Location&#x2212;Aware Personalized News Recommendation with Deep Semantic Analysis  </em></span> </a> |
			<a href="/publications/publication10849.bib">
			BibTeX  <span class="sr-only" > data for <em> Location&#x2212;Aware Personalized News Recommendation with Deep Semantic Analysis  </em></span>   </a>
			
			
					| <a href="http://dx.doi.org/10.1109/ACCESS.2017.2655150"> Link <span class="sr-only" > to <em> Location&#x2212;Aware Personalized News Recommendation with Deep Semantic Analysis  </em></span> </a>
  				
		
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	<p class="publicationTitle"> <strong>
            Uncertainty Reasoning for the Semantic Web </strong> </p>
	    <p class="publicationAuthors"> <em> Thomas Lukasiewicz  </em> </p>
	
	<p class="publicationDetails"> 
            In Giovambattista Ianni&#x201a; Domenico Lembo&#x201a; Leopoldo E. Bertossi&#x201a; Wolfgang Faber&#x201a; Birte Glimm&#x201a; Georg Gottlob and Steffen Staab, editors,
             
            <em>
            Reasoning Web. Semantic Interoperability on the Web &#x2212; 13th International Summer School 2017&#x201a; London&#x201a; UK&#x201a; July 7&#x2212;11&#x201a; 2017&#x201a; Tutorial Lectures</em>.
        
            Vol. 10370
                of Lecture Notes in Computer Science.
        
                Pages 276&#x2013;291.
            Springer.
        2017.
        </p>
	
        		<p class="publicationlinks"> <a
        
            		href="/publications/publication11085-abstract.html">
			Details <span class="sr-only" > about <em> Uncertainty Reasoning for the Semantic Web  </em></span> </a> |
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			BibTeX  <span class="sr-only" > data for <em> Uncertainty Reasoning for the Semantic Web  </em></span>   </a>
			
			
					| <a href="https://doi.org/10.1007/978-3-319-61033-7_8"> Link <span class="sr-only" > to <em> Uncertainty Reasoning for the Semantic Web  </em></span> </a>
  				
		
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				[14] 
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			class="col-xs-11"
		>
			
	
	<p class="publicationTitle"> <strong>
            Ontology&#x2212;Mediated Queries for Probabilistic Databases </strong> </p>
	    <p class="publicationAuthors"> <em> Stefan Borgwardt&#x201a; &#x0130;smail &#x0130;lkan Ceylan and Thomas Lukasiewicz  </em> </p>
	
	<p class="publicationDetails"> 
            In Satinder Singh and Shaul Markovitch, editors,
             
            <em>
            Proceedings of the 31st National Conference on Artificial Intelligence&#x201a; AAAI 2017&#x201a; San Francisco&#x201a; California&#x201a; USA&#x201a; February 4&#x2013;9&#x201a; 2017</em>.
        
                Pages 1063&#x2013;1069.
            AAAI Press.
        2017.
        </p>
	
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            		href="/publications/publication10773-abstract.html">
			Details <span class="sr-only" > about <em> Ontology&#x2212;Mediated Queries for Probabilistic Databases  </em></span> </a> |
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					| <a href="http://aaai.org/ocs/index.php/AAAI/AAAI17/paper/view/14365"> Link <span class="sr-only" > to <em> Ontology&#x2212;Mediated Queries for Probabilistic Databases  </em></span> </a>
  				
		
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				[15] 
			</div>

		
        
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		>
			
	
	<p class="publicationTitle"> <strong>
            Complexity of Threshold Query Answering in Probabilistic Ontological Data Exchange </strong> </p>
	    <p class="publicationAuthors"> <em> Thomas Lukasiewicz and Livia Predoiu  </em> </p>
	
	<p class="publicationDetails"> 
            In Maria S. Fox and Gal A. Kaminka, editors,
             
            <em>
            Proceedings of the 22nd European Conference on Artificial Intelligence&#x201a; ECAI 2016&#x201a; The Hague&#x201a; The Netherlands&#x201a; August 29 &#x2212; September 2&#x201a; 2016</em>.
        
                Pages 1008&#x2212;1016.
            IOS Press.
        August,
            2016.
        </p>
	
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            		href="/publications/publication10515-abstract.html">
			Details <span class="sr-only" > about <em> Complexity of Threshold Query Answering in Probabilistic Ontological Data Exchange  </em></span> </a> |
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					| <a href="http://dx.doi.org/10.3233/978-1-61499-672-9-1008"> Link <span class="sr-only" > to <em> Complexity of Threshold Query Answering in Probabilistic Ontological Data Exchange  </em></span> </a>
  				
		
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				[16] 
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		>
			
	
	<p class="publicationTitle"> <strong>
            Complexity Results for Probabilistic Datalog+&#x2044;&#x2212; </strong> </p>
	    <p class="publicationAuthors"> <em> &#x0130;smail &#x0130;lkan Ceylan&#x201a; Thomas Lukasiewicz and Rafael Pe&#xf1;aloza  </em> </p>
	
	<p class="publicationDetails"> 
            In Maria S. Fox and Gal A. Kaminka, editors,
             
            <em>
            Proceedings of the 22nd European Conference on Artificial Intelligence&#x201a; ECAI 2016&#x201a; The Hague&#x201a; The Netherlands&#x201a; August 29 &#x2212; September 2&#x201a; 2016</em>.
        
                Pages 1414&#x2212;1422.
            IOS Press.
        August,
            2016.
        </p>
	
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            		href="/publications/publication10516-abstract.html">
			Details <span class="sr-only" > about <em> Complexity Results for Probabilistic Datalog+&#x2044;&#x2212;  </em></span> </a> |
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					| <a href="http://dx.doi.org/10.3233/978-1-61499-672-9-1414"> Link <span class="sr-only" > to <em> Complexity Results for Probabilistic Datalog+&#x2044;&#x2212;  </em></span> </a>
  				
		
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				[17] 
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		>
			
	
	<p class="publicationTitle"> <strong>
            Preferential Query Answering over the Semantic Web with Possibilistic Networks </strong> </p>
	    <p class="publicationAuthors"> <em> Stefan Borgwardt&#x201a; Bettina Fazzinga&#x201a; Thomas Lukasiewicz&#x201a; Akanksha Shrivastava and Oana Tifrea&#x2212;Marciuska  </em> </p>
	
	<p class="publicationDetails"> 
            In Subbarao Kambhampati, editor,
             
            <em>
            Proceedings of the 25th International Joint Conference on Artificial Intelligence&#x201a; IJCAI 2016&#x201a; New York&#x201a; NY&#x201a; USA&#x201a; July 9&#x2212;15&#x201a; 2016</em>.
        
                Pages 994&#x2212;1000.
            IJCAI/AAAI Press.
        July,
            2016.
        </p>
	
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            		href="/publications/publication10411-abstract.html">
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					| <a href="http://www.ijcai.org/Abstract/16/145"> Link <span class="sr-only" > to <em> Preferential Query Answering over the Semantic Web with Possibilistic Networks  </em></span> </a>
  				
		
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				[18] 
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		>
			
	
	<p class="publicationTitle"> <strong>
            Generalized Consistent Query Answering under Existential Rules </strong> </p>
	    <p class="publicationAuthors"> <em> Thomas Eiter&#x201a; Thomas Lukasiewicz and Livia Predoiu  </em> </p>
	
	<p class="publicationDetails"> 
            In James P. Delgrande and Frank Wolter, editors,
             
            <em>
            Proceedings of the 15th International Conference on the Principles of Knowledge Representation and Reasoning&#x201a; KR 2016&#x201a; Cape Town&#x201a; South Africa&#x201a; April 25&#x2212;29&#x201a; 2016</em>.
        
                Pages 359&#x2212;368.
            AAAI Press.
        April,
            2016.
        </p>
	
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            		href="/publications/publication10265-abstract.html">
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					| <a href="http://www.aaai.org/ocs/index.php/KR/KR16/paper/view/12888"> Link <span class="sr-only" > to <em> Generalized Consistent Query Answering under Existential Rules  </em></span> </a>
  				
		
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		>
			
	
	<p class="publicationTitle"> <strong>
            Probabilistic Models over Weighted Orderings: Fixed&#x2212;Parameter Tractable Variable Elimination </strong> </p>
	    <p class="publicationAuthors"> <em> Thomas Lukasiewicz&#x201a; Maria Vanina Martinez&#x201a; David Poole and Gerardo I. Simari  </em> </p>
	
	<p class="publicationDetails"> 
            In James P. Delgrande and Frank Wolter, editors,
             
            <em>
            Proceedings of the 15th International Conference on the Principles of Knowledge Representation and Reasoning&#x201a; KR 2016&#x201a; Cape Town&#x201a; South Africa&#x201a; April 25&#x2212;29&#x201a; 2016</em>.
        
                Pages 494&#x2212;504.
            AAAI Press.
        April,
            2016.
        </p>
	
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            		href="/publications/publication10266-abstract.html">
			Details <span class="sr-only" > about <em> Probabilistic Models over Weighted Orderings: Fixed&#x2212;Parameter Tractable Variable Elimination  </em></span> </a> |
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				[20] 
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		>
			
	
	<p class="publicationTitle"> <strong>
            Basic Probabilistic Ontological Data Exchange with Existential Rules </strong> </p>
	    <p class="publicationAuthors"> <em> Thomas Lukasiewicz&#x201a; Maria Vanina Martinez&#x201a; Livia Predoiu and Gerardo I. Simari  </em> </p>
	
	<p class="publicationDetails"> 
            In Dale Schuurmans and Michael Wellman, editors,
             
            <em>
            Proceedings of the 30th National Conference on Artificial Intelligence&#x201a; AAAI 2016&#x201a; Phoenix&#x201a; Arizona&#x201a; USA&#x201a; February 12&#x2013;17&#x201a; 2016</em>.
        
                Pages 1023&#x2212;1029.
            AAAI Press.
        February,
            2016.
        </p>
	
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            		href="/publications/publication10148-abstract.html">
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				[21] 
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	<p class="publicationTitle"> <strong>
            On the Complexity of mCP&#x2212;Nets </strong> </p>
	    <p class="publicationAuthors"> <em> Thomas Lukasiewicz and Enrico Malizia  </em> </p>
	
	<p class="publicationDetails"> 
            In Dale Schuurmans and Michael Wellman, editors,
             
            <em>
            Proceedings of the 30th National Conference on Artificial Intelligence&#x201a; AAAI 2016&#x201a; Phoenix&#x201a; Arizona&#x201a; USA&#x201a; February 12&#x2013;17&#x201a; 2016</em>.
        
                Pages 558&#x2212;564.
            AAAI Press.
        February,
            2016.
        </p>
	
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            		href="/publications/publication10147-abstract.html">
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				[22] 
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	<p class="publicationTitle"> <strong>
            Tag&#x2212;Aware Personalized Recommendation Using a Deep&#x2212;Semantic Similarity Model with Negative Sampling </strong> </p>
	    <p class="publicationAuthors"> <em> Zhenghua Xu&#x201a; Cheng Chen&#x201a; Thomas Lukasiewicz&#x201a; Yishu Miao and Xiangwu Meng  </em> </p>
	
	<p class="publicationDetails"> 
            In Elisa Bertino&#x201a; Fabio Crestani&#x201a; Javed Mostafa&#x201a; Jie Tang&#x201a; Luo Si and Xiaofang Zhou, editors,
             
            <em>
            Proceedings of the 25th ACM International Conference on Information and Knowledge Management&#x201a; CIKM 2016&#x201a; Indianapolis&#x201a; USA&#x201a; October 24&#x2212;28&#x201a; 2016</em>.
        
                Pages 1921&#x2212;1924.
            ACM Press.
        October,
            2016.
        </p>
	
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            		href="/publications/publication10570-abstract.html">
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