Assistant Professor
Center for Data Analytics and Biomedical Informatics
Department of Computer and Information Sciences
College of Science and Technology
Temple University
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Research Interests
I am interested in all aspects of artificial intelligence, machine learning, natural language processing, and computer vision. Currently, my lab's research focuses on the question of how to best represent the meaning of words and phrases in language-processing systems, and on how to extract knowledge from text for use by automated agents.
Publications
Avirup Sil and Alexander Yates. Machine Reading between the Lines: A Simple Evaluation Framework for Extracted Knowledge Bases. Workshop on Information Extraction and Knowledge Acquisition (IEKA), 2011. (bib)Avirup Sil and Alexander Yates. Extracting STRIPS Representations of Actions and Events. Recent Advances in Natural Language Processing (RANLP), 2011. (bib)
Fei Huang, Alexander Yates, Arun Ahuja, and Doug Downey. Language Models as Representations for Weakly Supervised NLP Tasks. Conference on Natural Language Learning (CoNLL), 2011. (bib)
Peter LoBue and Alexander Yates. Types of Common-Sense Knowledge Needed for Recognizing Textual Entailment. Annual Meeting of the Association for Computational Linguistics (ACL), 2011. (bib)
Avirup Sil, Fei Huang, and Alexander Yates. Extracting Action and Event Semantics from Web Text. AAAI 2010 Fall Symposium on Commonsense Knowledge (CSK), 2010. (bib)
Harish Sethu and Alexander Yates. Using Text Analysis to Understand the Structure and Dynamics of the World Wide Web as a Multi-Relational Graph. Proceedings of the Second IEEE International Conference on Social Computing Workshop on Finding Synergies Between Texts and Networks (STN at SocialCom), 2010. (bib)
Fei Huang and Alexander Yates. Exploring Representation-Learning Approaches to Domain Adaptation. Proceedings of the ACL Workshop on Domain Adaptation (DANLP), 2010. (bib)
Fei Huang and Alexander Yates. Open-domain Semantic Role Labeling by Modeling Word Spans. Proceedings of the Annual Meeting of the Association for Computational Linguistics (ACL), 2010. (bib)
Weisi Duan and Alexander Yates. Extracting Glosses to Disambiguate Word Senses. Proceedings of the Annual Meeting of the North American Chapter of the Association for Computational Linguistics (NAACL), 2010. (bib)
Prakash Srinivasan and Alexander Yates. Quantifier Scope Disambiguation Using Extracted Pragmatic Knowledge: Preliminary Results. Proceedings of the Conference on Empirical Methods in Natural Language Processing (EMNLP), 2009. (bib)
Alexander Yates. Extracting World Knowledge from the Web. IEEE Computer 42(6), June 2009, pages 94-97. (bib)
Fei Huang and Alexander Yates. Distributional Representations for Handling Sparsity in Supervised Sequence Labeling. Proceedings of the Annual Meeting of the Association for Computational Linguistics (ACL), 2009. (bib)
Alexander Yates and Oren Etzioni. Unsupervised Methods for Determining Object and Relation Synonyms on the Web. Journal of Artificial Intelligence Research 34, March, 2009, pages 255-296. (bib) (online appendix)
Weisi Duan, Min Song, and Alexander Yates. Fast max-margin clustering for unsupervised word sense disambiguation in biomedical texts. BMC Bioinformatics 2009, 10(Suppl 3):S4 (19 March 2009). (bib)
Alexander Yates, James Joseph, Ana-Maria Popescu, Alexander D. Cohn, and Nick Sillick. ShopSmart: Product Recommendations through Technical Specifications and User Reviews. Proceedings of the Conference on Information and Knowledge Management (CIKM), 2008. (bib)
Alexander Yates and Oren Etzioni. Unsupervised Resolution of Objects and Relations on the Web. Proceedings of Human Language Technologies: The Annual Conference of the North American Chapter of the Association for Computational Linguistics (HLT-NAACL), 2007. (bib)
Alexander Yates, Stefan Schoenmakers, and Oren Etzioni. Detecting Parser Errors Using Web-based Semantic Filters. Proceedings of the Conference on Empirical Methods in Natural Language Processing (EMNLP), 2006. (bib)
Oren Etzioni, Michael Cafarella, Doug Downey, Ana-Maria Popescu, Tal Shaked, Stephen Soderland, Daniel Weld, and Alexander Yates. Unsupervised Named-Entity Extraction from the Web: An Experimental Study. Artificial Intelligence, 165(1):91-134, 2005. (bib)
Ana-Maria Popescu, Alexander Yates, and Oren Etzioni. Class Extraction from the Web. Proceedings of the AAAI 2004 Workshop on Adaptive Text Extraction and Mining. (bib)
Ana-Maria Popescu, Alex Armanasu, Oren Etzioni, David Ko, Alexander Yates. Modern Natural Language Interfaces to Databases: Composing Statistical Parsing with Semantic Tractability. Proceedings of the Twentieth International Conference on Computational Linguistics (COLING), 2004. (bib)
Oren Etzioni, Michael Cafarella, Doug Downey, Ana-Maria Popescu, Tal Shaked, Stephen Soderland, Daniel Weld, Alexander Yates. Methods for Domain-Independent Information Extraction from the Web: An Experimental Comparison, Proceedings of the Nineteenth National Conference on Artificial Intelligence (AAAI), 2004. (bib)
Oren Etzioni, Michael Cafarella, Doug Downey, Stanley Kok, Ana-Maria Popescu, Tal Shaked, Stephen Soderland, Daniel Weld, Alexander Yates. Web-scale Information Extraction in KnowItAll. Proceedings of the Thirteenth International World Wide Web Conference (WWW), 2004. (bib)
Oren Etzioni, Craig Knoblock, Rattapoom Tuchinda, Alexander Yates. To Buy or Not To Buy: Mining Airfare Data to Minimize Ticket Purchase Price. Proceedings of the Ninth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD), 2003. (bib)
Alexander Yates, Oren Etzioni, and Daniel Weld. A Reliable Natural Language Interface to Household Appliances. Proceedings of the International Conference on Intelligent User Interfaces (IUI), 2003. (bib)
Dissertation
Alexander Yates. Information Extraction from the Web: Techniques and Applications. Ph.D. Thesis, University of Washington, Computer Science and Engineering, 2007. (bib)Advised by: Oren Etzioni.
Data
The data used for all of my experiments with Resolver (HLT-NAACL 2007, JAIR 2009) may be found here.For all other data sets, please email me. Unfortunately, because of copyright concerns, I am unable to share the data used in my Hamlet (KDD 2003) experiments.