Publications

2013

• Lin, Ziheng, & Ng, Hwee Tou, & Kan, Min-Yen (2013). A PDTB-Styled End-to-End Discourse Parser. To appear in Natural Language Engineering. Preprint.

2012

• Wang, Xuancong, & Ng, Hwee Tou, & Sim, Khe Chai (2012). Dynamic Conditional Random Fields for Joint Sentence Boundary and Punctuation Prediction. Proceedings of the 13th Annual Conference of the International Speech Communication Association (Interspeech 2012). Portland, Oregon, USA.
  
  
• Wang, Pidong, & Nakov, Preslav, & Ng, Hwee Tou (2012). Source Language Adaptation for Resource-Poor Machine Translation. Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL 2012). (pp. 286 – 296). Jeju, South Korea.
  
  
• Dahlmeier, Daniel, & Ng, Hwee Tou (2012). A Beam-Search Decoder for Grammatical Error Correction. Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL 2012). (pp. 568 – 578). Jeju, South Korea.
  
  
• Zhong, Zhi, & Ng, Hwee Tou (2012). Word Sense Disambiguation Improves Information Retrieval. Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (ACL 2012). (pp. 273 – 282). Jeju, South Korea.
  
  
• Liu, Chang, & Ng, Hwee Tou (2012). Character-Level Machine Translation Evaluation for Languages with Ambiguous Word Boundaries. Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (ACL 2012). (pp. 921 – 929). Jeju, South Korea.
  
  
• Lin, Ziheng, & Liu, Chang, & Ng, Hwee Tou, & Kan, Min-Yen (2012). Combining Coherence Models and Machine Translation Evaluation Metrics for Summarization Evaluation. Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (ACL 2012). (pp. 1006 – 1014). Jeju, South Korea.
  
  
• Dahlmeier, Daniel, & Ng, Hwee Tou, & Ng, Eric Jun Feng (2012). NUS at the HOO 2012 Shared Task. Proceedings of the 7th Workshop on the Innovative Use of NLP for Building Educational Applications. (pp. 216 – 224). Montreal, Canada.
  
  
• Dahlmeier, Daniel, & Ng, Hwee Tou (2012). Better Evaluation for Grammatical Error Correction. Proceedings of the 2012 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL 2012). Short papers. (pp. 568 – 572). Montreal, Canada.
  
  
• Nakov, Preslav, & Ng, Hwee Tou (2012). Improving Statistical Machine Translation for a Resource-Poor Language Using Related Resource-Rich Languages. Journal of Artificial Intelligence Research (JAIR), Vol 44, May 2012, pp. 179 – 222.

2011

• Ng, Hwee Tou (2011). Does Word Sense Disambiguation Improve Information Retrieval? Proceedings of the 4th Workshop on Exploiting Semantic Annotation in Information Retrieval (ESAIR 2011). (pp. 17 – 18). Glasgow, Scotland, UK.
  
  
• Dahlmeier, Daniel, & Ng, Hwee Tou, & Tran, Thanh Phu (2011). NUS at the HOO 2011 Pilot Shared Task. Proceedings of the 13th European Workshop on Natural Language Generation (ENLG 2011). (pp. 257 – 259). Nancy, France.
  
  
• Dahlmeier, Daniel, & Liu, Chang, & Ng, Hwee Tou (2011). TESLA at WMT 2011: Translation Evaluation and Tunable Metric. Proceedings of the 6th Workshop on Statistical Machine Translation (WMT 2011). (pp. 78 – 84). Edinburgh, Scotland, UK.
  
  
• Dahlmeier, Daniel, & Ng, Hwee Tou (2011). Correcting Semantic Collocation Errors with L1-induced Paraphrases. Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing (EMNLP 2011). (pp. 107 – 117). Edinburgh, Scotland, UK.
  
  
• Liu, Chang, & Dahlmeier, Daniel, & Ng, Hwee Tou (2011). Better Evaluation Metrics Lead to Better Machine Translation. Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing (EMNLP 2011). (pp. 375 – 384). Edinburgh, Scotland, UK.
  
  
• Lu, Wei, & Ng, Hwee Tou (2011). A Probabilistic Forest-to-String Model for Language Generation from Typed Lambda Calculus Expressions.Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing (EMNLP 2011). (pp. 1611 – 1622). Edinburgh, Scotland, UK. (Best Paper Award)
  
  
• Na, Seung-Hoon, & Ng, Hwee Tou (2011). Enriching Document Representation via Translation for Improved Monolingual Information Retrieval.Proceedings of the 34th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2011). (pp. 853 – 862). Beijing, China.
  
  
• Dahlmeier, Daniel, & Ng, Hwee Tou (2011). Grammatical Error Correction with Alternating Structure Optimization. Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics (ACL 2011). (pp. 915 – 923). Portland, Oregon, USA.
  
  
• Lin, Ziheng, & Ng, Hwee Tou, & Kan, Min-Yen (2011). Automatically Evaluating Text Coherence Using Discourse Relations. Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics (ACL 2011). (pp. 997 – 1006). Portland, Oregon, USA.
  
  
• Nakov, Preslav, & Ng, Hwee Tou (2011). Translating from Morphologically Complex Languages: A Paraphrase-Based Approach. Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics (ACL 2011). (pp. 1298 – 1307). Portland, Oregon, USA.
  
  
• Li, Maoxi, & Zong, Chengqing, & Ng, Hwee Tou (2011). Automatic Evaluation of Chinese Translation Output: Word-Level or Character-Level? Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics (ACL 2011). Short papers. (pp. 159 – 164). Portland, Oregon, USA.

2010

• Lu, Wei, & Ng, Hwee Tou (2010). Better Punctuation Prediction with Dynamic Conditional Random Fields. Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing (EMNLP 2010). (pp. 177 – 186). Cambridge, Massachusetts, USA.
  
  
• Liu, Chang, & Dahlmeier, Daniel, & Ng, Hwee Tou (2010). PEM: A Paraphrase Evaluation Metric Exploiting Parallel Texts. Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing (EMNLP 2010). (pp. 923 – 932). Cambridge, Massachusetts, USA.
  
  
• Ng, Hwee Tou (2010). The State of the Journal. ACM Transactions on Asian Language Information Processing (TALIP). Vol 9, No 3, Article 8, September 2010.
  
  
• Zhao, Shanheng, & Ng, Hwee Tou (2010). Maximum Metric Score Training for Coreference Resolution. Proceedings of the 23rd International Conference on Computational Linguistics (COLING 2010). (pp. 1308 – 1316). Beijing, China.
  
  
• Liu, Chang, & Dahlmeier, Daniel, & Ng, Hwee Tou (2010). TESLA: Translation Evaluation of Sentences with Linear-programming-based Analysis. Proceedings of the Joint 5th Workshop on Statistical Machine Translation and MetricsMATR. (pp. 354 – 359). Uppsala, Sweden.
  
  
• Zhong, Zhi, & Ng, Hwee Tou (2010). It Makes Sense: A Wide-Coverage Word Sense Disambiguation System for Free Text. Proceedings of the ACL 2010 System Demonstrations. (pp. 78 – 83). Uppsala, Sweden.
  
  
• Li, Junhui, & Zhou, Guodong, & Ng, Hwee Tou (2010). Joint Syntactic and Semantic Parsing of Chinese. Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics (ACL 2010). (pp. 1108 – 1117). Uppsala, Sweden.
  
  
• Dahlmeier, Daniel, & Ng, Hwee Tou (2010). Domain Adaptation for Semantic Role Labeling in the Biomedical Domain. Bioinformatics, Vol 26, No 8, April 2010, pp. 1098 – 1104.
  
  
• Chia, Tee Kiah, & Sim, Khe Chai, & Li, Haizhou, & Ng, Hwee Tou (2010). Statistical Lattice-Based Spoken Document Retrieval. ACM Transactions on Information Systems (TOIS). Vol 28, No 1, Article 2, January 2010, 30 pages.
  
  

2009

• Chan, Yee Seng, & Ng, Hwee Tou (2009). MaxSim: Performance and Effects of Translation Fluency. Machine Translation (Special issue on Automated Metrics for Machine Translation Evaluation), Vol 23, No 2-3, September 2009, pp. 157 – 168.
  
  
• Nakov, Preslav, Liu, Chang, Lu, Wei, Ng, Hwee Tou (2009). The NUS Statistical Machine Translation System for IWSLT 2009. Proceedings of the International Workshop on Spoken Language Translation (IWSLT 2009). (pp. 91 – 98). Tokyo, Japan.
  
  
• Nakov, Preslav, & Ng, Hwee Tou (2009). Improved Statistical Machine Translation for Resource-Poor Languages Using Related Resource-Rich Languages. Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing (EMNLP 2009). (pp. 1358 – 1367). Singapore.
  
  
• Lin, Ziheng, & Kan, Min-Yen, & Ng, Hwee Tou (2009). Recognizing Implicit Discourse Relations in the Penn Discourse Treebank. Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing (EMNLP 2009). (pp. 343 – 351). Singapore.
  
  
• Dahlmeier, Daniel, & Ng, Hwee Tou, & Schultz, Tanja (2009). Joint Learning of Preposition Senses and Semantic Roles of Prepositional Phrases. Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing (EMNLP 2009). (pp. 450 – 458). Singapore.
  
  
• Lu, Wei, & Ng, Hwee Tou, & Lee, Wee Sun (2009). Natural Language Generation with Tree Conditional Random Fields. Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing (EMNLP 2009). (pp. 400 – 409). Singapore.
  
  
• Na, Seung-Hoon, & Ng, Hwee Tou (2009). A 2-Poisson Model for Probabilistic Coreference of Named Entities for Improved Text Retrieval. Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2009). (pp. 275 – 282). Boston, Massachusetts, USA.
  
  
• Zhong, Zhi, & Ng, Hwee Tou (2009). Word Sense Disambiguation for All Words without Hard Labor. Proceedings of the Twenty-First International Joint Conference on Artificial Intelligence (IJCAI 2009). (pp. 1616 – 1621). Pasadena, California, USA.
  
  
• Nakov, Preslav, & Ng, Hwee Tou (2009). NUS at WMT09: Domain Adaptation Experiments for English-Spanish Machine Translation of News Commentary Text. Proceedings of the Fourth Workshop on Statistical Machine Translation (WMT 2009). (pp. 75 – 79). Athens, Greece.

2008

• Anick, Peter, & Ng, Hwee Tou (2008). The SIGIR 2008 Workshop Program. ACM SIGIR Forum. Vol 42, No 2, December 2008, pp. 45.
  
  
• Chiang, David, & DeNeefe, Steve, & Chan, Yee Seng, & Ng, Hwee Tou (2008). Decomposability of Translation Metrics for Improved Evaluation and Efficient Algorithms. Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing (EMNLP 2008). (pp. 609 – 618). Honolulu, Hawaii, USA.
  
  
• Lu, Wei, & Ng, Hwee Tou, & Lee, Wee Sun, & Zettlemoyer, Luke (2008). A Generative Model for Parsing Natural Language to Meaning Representations. Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing (EMNLP 2008). (pp. 782 – 791). Honolulu, Hawaii, USA.
  
  
• Zhong, Zhi, & Ng, Hwee Tou, & Chan, Yee Seng (2008). Word Sense Disambiguation Using OntoNotes: An Empirical Study. Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing (EMNLP 2008). (pp. 1001 – 1009). Honolulu, Hawaii, USA.
  
  
• Chia, Tee Kiah, & Sim, Khe Chai, & Li, Haizhou, & Ng, Hwee Tou (2008). A Lattice-Based Approach to Query-by-Example Spoken Document Retrieval. Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2008). (pp. 363 – 370). Singapore.
  
  
• Chan, Yee Seng, & Ng, Hwee Tou (2008). MAXSIM: A Maximum Similarity Metric for Machine Translation Evaluation. Proceedings of the 46th Annual Meeting of the Association for Computational Linguistics (ACL 2008). (pp. 55 – 62). Columbus, Ohio, USA.
  
  

2007

• Zhao, Shanheng, & Ng, Hwee Tou (2007). Identification and Resolution of Chinese Zero Pronouns: A Machine Learning Approach. Proceedings of the 2007 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL 2007). (pp. 541 – 550). Prague, Czech Republic.
  
  
• Chia, Tee Kiah, & Li, Haizhou, & Ng, Hwee Tou (2007). A Statistical Language Modeling Approach to Lattice-Based Spoken Document Retrieval. Proceedings of the 2007 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL 2007). (pp. 810 – 818). Prague, Czech Republic.
  
  
• Chan, Yee Seng, & Ng, Hwee Tou, & Chiang, David (2007). Word Sense Disambiguation Improves Statistical Machine Translation. Proceedings of the 45th Annual Meeting of the Association for Computational Linguistics (ACL 2007). (pp. 33 – 40). Prague, Czech Republic.
  
  
• Chan, Yee Seng, & Ng, Hwee Tou (2007). Domain Adaptation with Active Learning for Word Sense Disambiguation. Proceedings of the 45th Annual Meeting of the Association for Computational Linguistics (ACL 2007). (pp. 49 – 56). Prague, Czech Republic.
  
  
• Liu, Chang, & Ng, Hwee Tou (2007). Learning Predictive Structures for Semantic Role Labeling of NomBank. Proceedings of the 45th Annual Meeting of the Association for Computational Linguistics (ACL 2007). (pp. 208 – 215). Prague, Czech Republic.
  
  
• Zhu, Conghui, & Tang, Jie, & Li, Hang, & Ng, Hwee Tou, & Zhao, Tiejun (2007). A Unified Tagging Approach to Text Normalization. Proceedings of the 45th Annual Meeting of the Association for Computational Linguistics (ACL 2007). (pp. 688 – 695). Prague, Czech Republic.
  
  
• Ng, Hwee Tou, & Chan, Yee Seng (2007). SemEval-2007 Task 11: English Lexical Sample Task via English-Chinese Parallel Text. Proceedings of the 4th International Workshop on Semantic Evaluations (SemEval 2007). (pp. 54 – 58). Prague, Czech Republic.
  
  
• Chan, Yee Seng, & Ng, Hwee Tou, & Zhong, Zhi (2007). NUS-PT: Exploiting Parallel Texts for Word Sense Disambiguation in the English All-Words Tasks. Proceedings of the 4th International Workshop on Semantic Evaluations (SemEval 2007). (pp. 253 – 256). Prague, Czech Republic.
  
  
• Wong, Yingchuan, & Ng, Hwee Tou (2007). One Class per Named Entity: Exploiting Unlabeled Text for Named Entity Recognition. Proceedings of the Twentieth International Joint Conference on Artificial Intelligence (IJCAI 2007). (pp. 1763 – 1768). Hyderabad, India.

2006

• Ng, Hwee Tou, & Leong, Mun-Kew, & Kan, Min-Yen, & Ji, Donghong (editors) (2006) Information Retrieval Technology. Proceedings of the Third Asia Information Retrieval Symposium, AIRS 2006. Singapore.
  
  
• Ng, Hwee Tou, & Kwong, Olivia O Y (editors) (2006) Proceedings of the Fifth SIGHAN Workshop on Chinese Language Processing. Sydney, Australia.
  
  
• Jiang, Zheng Ping, & Ng, Hwee Tou (2006). Semantic Role Labeling of NomBank: A Maximum Entropy Approach. Proceedings of the 2006 Conference on Empirical Methods in Natural Language Processing (EMNLP 2006). (pp. 138 – 145). Sydney, Australia.
  
  
• Chan, Yee Seng, & Ng, Hwee Tou (2006). Estimating Class Priors in Domain Adaptation for Word Sense Disambiguation. Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics (COLING/ACL 2006). (pp. 89 – 96). Sydney, Australia.
  
  
• Palmer, Martha, Ng, Hwee Tou, & Dang, Hoa Trang (2006). Evaluation of WSD Systems. Word Sense Disambiguation: Algorithms and Applications, Agirre, Eneko & Edmonds, Philip (Eds.) (pp. 75 – 106). Springer.

2005

• Low, Jin Kiat, & Ng, Hwee Tou, & Guo, Wenyuan (2005). A Maximum Entropy Approach to Chinese Word Segmentation. Proceedings of the Fourth SIGHAN Workshop on Chinese Language Processing. (pp. 161 – 164). Jeju Island, Korea.
  
  
• Ng, Hwee Tou, & Zhou, Yu, & Dale, Robert, & Gardiner, Mary (2005). A Machine Learning Approach to Identification and Resolution of One-Anaphora. (pp. 1105 – 1110). Proceedings of the 19th International Joint Conference on Artificial Intelligence (IJCAI 2005). Edinburgh, Scotland, UK.
  
  
• Jiang, Zheng Ping, & Li, Jia, & Ng, Hwee Tou (2005). Semantic Argument Classification Exploiting Argument Interdependence. (pp. 1067 – 1072). Proceedings of the 19th International Joint Conference on Artificial Intelligence (IJCAI 2005). Edinburgh, Scotland, UK.
  
  
• Chan, Yee Seng, & Ng, Hwee Tou (2005). Word Sense Disambiguation with Distribution Estimation. (pp. 1010 – 1015). Proceedings of the 19th International Joint Conference on Artificial Intelligence (IJCAI 2005). Edinburgh, Scotland, UK.
  
  
• Pham, Thanh Phong, & Ng, Hwee Tou, & Lee, Wee Sun (2005). Word Sense Disambiguation with Semi-Supervised Learning. Proceedings of the 20th National Conference on Artificial Intelligence (AAAI 2005). (pp. 1093 – 1098). Pittsburgh, Pennsylvania, USA.
  
  
• Chan, Yee Seng, & Ng, Hwee Tou (2005). Scaling Up Word Sense Disambiguation via Parallel Texts. Proceedings of the 20th National Conference on Artificial Intelligence (AAAI 2005). (pp. 1037 – 1042). Pittsburgh, Pennsylvania, USA.

2004

• Shao, Li & Ng, Hwee Tou (2004). Mining New Word Translations from Comparable Corpora. Proceedings of the 20th International Conference on Computational Linguistics (COLING 2004). (pp. 618 – 624). University of Geneva, Geneva, Switzerland.
  
  
• Ng, Hwee Tou & Low, Jin Kiat (2004). Chinese Part-of-Speech Tagging: One-at-a-Time or All-at-Once? Word-Based or Character-Based? Proceedings of the 2004 Conference on Empirical Methods in Natural Language Processing (EMNLP 2004). (pp. 277 – 284). Barcelona, Spain.
  
  
• Lee, Yoong Keok, Ng, Hwee Tou, & Chia, Tee Kiah (2004). Supervised Word Sense Disambiguation with Support Vector Machines and Multiple Knowledge Sources. Proceedings of SENSEVAL-3: Third International Workshop on the Evaluation of Systems for the Semantic Analysis of Text. (pp. 137 – 140). Barcelona, Spain.
  
  
• Ng, Hwee Tou, & Riloff, Ellen (editors) (2004) Proceedings of the Eighth Conference on Computational Natural Language Learning. Boston, Massachusetts, USA.

2003

• Ng, Hwee Tou, & Wang, Bin, & Chan, Yee Seng (2003). Exploiting Parallel Texts for Word Sense Disambiguation: An Empirical Study. Proceedings of the 41st Annual Meeting of the Association for Computational Linguistics (ACL-03). (pp. 455 – 462). Sapporo, Japan.
  
  
• Chieu, Hai Leong, Ng, Hwee Tou, & Lee, Yoong Keok (2003). Closing the Gap: Learning-Based Information Extraction Rivaling Knowledge-Engineering Methods.Proceedings of the 41st Annual Meeting of the Association for Computational Linguistics (ACL-03). (pp. 216 – 223). Sapporo, Japan.
  
  
• Chieu, Hai Leong, & Ng, Hwee Tou (2003). Named Entity Recognition with a Maximum Entropy Approach. Proceedings of the Seventh Conference on Natural Language Learning (CoNLL-2003). (Shared Task Paper).(pp. 160 – 163). Edmonton, Alberta, Canada.
  
  
• Liu, Bing, & Chin, Chee Wee, & Ng, Hwee Tou (2003). Mining Topic-Specific Concepts and Definitions on the Web. Proceedings of the Twelfth International World Wide Web Conference (WWW2003). (Refereed Paper Track). (pp. 251 – 260) Budapest, Hungary.

2002

• Chieu, Hai Leong, & Ng, Hwee Tou (2002). Named Entity Recognition: A Maximum Entropy Approach Using Global Information. Proceedings of the 19th International Conference on Computational Linguistics (COLING 2002). (pp. 190 – 196). Taipei, Taiwan.
  
  
• Chai, Kian Ming Adam, & Ng, Hwee Tou, & Chieu, Hai Leong (2002). Bayesian Online Classifiers for Text Classification and Filtering. Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2002). (pp. 97 – 104). Tampere, Finland.
  
  
• Chieu, Hai Leong, & Ng, Hwee Tou (2002). A Maximum Entropy Approach to Information Extraction from Semi-Structured and Free Text. Proceedings of the Eighteenth National Conference on Artificial Intelligence (AAAI 2002). (pp. 786 – 791). Edmonton, Alberta, Canada.
  
  
• Teow, Loo-Nin, & Liu, Haifeng, & Ng, Hwee Tou, & Yap, Eric (2002). Refining the Wrapper Approach – Smoothed Error Estimates for Feature Selection. Proceedings of the Nineteenth International Conference on Machine Learning (ICML-2002). (pp. 626 – 633). Sydney, Australia.
  
  
• Chieu, Hai Leong, & Ng, Hwee Tou (2002). Teaching a Weaker Classifier: Named Entity Recognition on Upper Case Text. Proceedings of the 40th Annual Meeting of the Association for Computational Linguistics (ACL-02). (pp. 481 – 488). Philadelphia, Pennsylvania, USA.
  
  
• Lee, Yoong Keok, & Ng, Hwee Tou (2002). An Empirical Evaluation of Knowledge Sources and Learning Algorithms for Word Sense Disambiguation. Proceedings of the 2002 Conference on Empirical Methods in Natural Language Processing (EMNLP-2002). (pp. 41 – 48). Philadelphia, Pennsylvania, USA.

2001

• Soon, Wee Meng, & Ng, Hwee Tou, & Lim, Daniel Chung Yong (2001). A Machine Learning Approach to Coreference Resolution of Noun Phrases. Computational Linguistics (Special Issue on Computational Anaphora Resolution), Vol 27, No 4, pp. 521 – 544.
  
  
• Ng, Hwee Tou, & Kwan, Jennifer Lai Pheng, & Xia, Yiyuan (2001). Question Answering Using a Large Text Database: A Machine Learning Approach. Proceedings of the 2001 Conference on Empirical Methods in Natural Language Processing (EMNLP 2001). (pp. 67 – 73). Pittsburgh, Pennsylvania, USA.

2000

• Ng, Hwee Tou, & Teo, Leong Hwee, & Kwan, Jennifer Lai Pheng (2000). A Machine Learning Approach to Answering Questions for Reading Comprehension Tests. Proceedings of the 2000 Joint SIGDAT Conference on Empirical Methods in Natural Language Processing and Very Large Corpora (EMNLP/VLC-2000) (pp. 124 – 132). Hong Kong.
  
  
• Ng, Hwee Tou, & Ang, Huey Ting, & Soon, Wee Meng (2000). DSO at TREC-8: A Hybrid Algorithm for the Routing Task. Proceedings of the Eighth Text REtrieval Conference (TREC-8). Gaithersburg, Maryland, USA.

1999 and before

• Ng, Hwee Tou, & Lim, Chung Yong, & Koo, Jessica Li Teng (1999). Learning to Recognize Tables in Free Text. Proceedings of the 37th Annual Meeting of the Association for Computational Linguistics (pp. 443 – 450). College Park, Maryland, USA.
  
  
• Soon, Wee Meng, & Ng, Hwee Tou, & Lim, Chung Yong (1999). Corpus-Based Learning for Noun Phrase Coreference Resolution. Proceedings of the 1999 Joint SIGDAT Conference on Empirical Methods in Natural Language Processing and Very Large Corpora (EMNLP/VLC-99) (pp. 285 – 291). College Park, Maryland, USA.
  
  
• Ng, Hwee Tou, & Lim, Chung Yong, & Foo, Shou King (1999). A Case Study on Inter-Annotator Agreement for Word Sense Disambiguation. Proceedings of the ACL SIGLEX Workshop on Standardizing Lexical Resources (SIGLEX99) (pp. 9 – 13). College Park, Maryland, USA.
  
  
• Ng, Hwee Tou, & Zelle, John (1997). Corpus-Based Approaches to Semantic Interpretation in Natural Language Processing. AI Magazine, 18(4) (pp. 45 – 64). (Special Issue on Natural Language Processing).
  
  
• Peh, Li Shiuan, & Ng, Hwee Tou (1997). Domain-Specific Semantic Class Disambiguation Using WordNet. Proceedings of the Fifth Workshop on Very Large Corpora (pp. 56 – 64). Beijing & Hong Kong.
  
  
• Ng, Hwee Tou (1997). Exemplar-Based Word Sense Disambiguation: Some Recent Improvements. Proceedings of the Second Conference on Empirical Methods in Natural Language Processing (pp. 208 – 213). Providence, Rhode Island, USA.
  
  
• Ng, Hwee Tou, & Goh, Wei Boon, & Low, Kok Leong (1997). Feature Selection, Perceptron Learning, and a Usability Case Study for Text Categorization. Proceedings of the 20th International ACM SIGIR Conference on Research and Development in Information Retrieval (pp. 67 – 73). Philadelphia, Pennsylvania, USA. (Best Paper Award)
  
  
• Ng, Hwee Tou (1997). Getting Serious about Word Sense Disambiguation. Proceedings of the ACL SIGLEX Workshop on Tagging Text with Lexical Semantics: Why, What, and How? (pp. 1 – 7). Washington, D.C., USA. (Invited paper)
  
  
• Ng, Hwee Tou, & Lee, Hian Beng (1996). Integrating Multiple Knowledge Sources to Disambiguate Word Sense: An Exemplar-Based Approach. Proceedings of the 34th Annual Meeting of the Association for Computational Linguistics (pp. 40 – 47). Santa Cruz, CA, USA.
  
  
• Ng, Hwee Tou (1992). Model-Based, Multiple Fault Diagnosis of Time-Varying, Continuous Physical Devices. In W. Hamscher, L. Console, & J. de Kleer (Eds.), Readings in Model-based Diagnosis (pp. 242 – 248). Morgan Kaufmann Publishers, San Mateo, CA, USA.
  
  
• Ng, Hwee Tou, & Mooney, Raymond J. (1992). Abductive Plan Recognition and Diagnosis: A Comprehensive Empirical Evaluation. Proceedings of the Third International Conference on Principles of Knowledge Representation and Reasoning (pp. 499 – 508). Cambridge, MA, USA.
  
  
• Ng, Hwee Tou (1991). Model-Based, Multiple-Fault Diagnosis of Dynamic, Continuous Physical Devices. IEEE Expert, 6(6) (pp. 38 – 43).
  
  
• Ng, Hwee Tou, & Mooney, Raymond J. (1991). An Efficient First-Order Horn-Clause Abduction System Based on the ATMS. Proceedings of the Ninth National Conference on Artificial Intelligence (pp. 494 – 499). Anaheim, CA, USA.
  
  
• Ng, Hwee Tou, & Mooney, Raymond J. (1990). On the Role of Coherence in Abductive Explanation. Proceedings of the Eighth National Conference on Artificial Intelligence (pp. 337 – 342). Boston, MA, USA.