NLP Reading Group

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The reading group attempts to keep abreast of current trends in natural language processing research. We typically read one or two recent NLP conference papers each week, and occasionally look at material from the machine learning, statistics, and linguistics communities as well.

Starting in 2008, we will be posting the weekly readings here. Past readings since 2001 are being filled in presently.

Spring 2008

First meeting of the term will be on Thursday, Jan. 31, at noon in NEB 317. Feel free to bring lunch.

Fall 2007

Semisupervised learning

Dec. 12 (Delip Rao)
M. Belkin, P. Niyogi, Laplacian Eigenmaps for Dimensionality Reduction and Data Representation, ACM 2002
Mikhail Belkin, Partha Niyogi, Vikas Sindhwani, On Manifold Regularization
Nov. 17 (David Smith)
X. Zhu, Semi-Supervised Learning Literature Survey

Recent parsing papers

Nov. 3 (Christo Kirov)
I. Titov, J. Henderson, Constituent Parsing with Incremental Sigmoid Belief Networks, ACL 2007
Oct. 26 (Christo Kirov)
Seginer, Yoav, Fast Unsupervised Incremental Parsing (syntax induction), Proceedings ACL 2007
Oct. 17 (Markus Dreyer)
Nakagawa, Tetsuji, Multilingual Dependency Parsing Using Global Features, EMNLP-CoNLL 2007

Text compression

Oct. 10 (Nathaniel W Filardo)
Mahoney, Matthew, Adaptive Weighing of Context Models for Lossless Data Compression, Florida Institue of Technology, CS Department, Technical report CS-2005-16, EMNLP-CoNLL 2007

Domain adaptation

Oct. 3 (David Smith)
Shai Ben-David, John Blitzer, Koby Crammer, Fernando Pereira., Analysis of Representations for Domain Adaptation
Sep. 26 (Omar F Zaidan)
J. Blitzer, R. McDonald, F. Pereira, Domain Adaptation with Structural Correspondence Learning, EMNLP 2006

Summer 2007

Good recent papers

Aug. 30 (Delip Rao)
Gideon S. Mann, Simple, Robust, Scalable Semi-supervised Learning via Expectation Regularization, Proceedings of the 24 th International Conference on Machine Learning 2007
Aug. 18 (Markus Dreyer)
D. Talbot, M. Osborne, Randomised Language Modelling for Statistical Machine Translation, ACL 2007
They use a space-efficient randomized data structure (Bloom Filter) to store very large n-gram models. There is a companion paper that people might want to have a quick look at as well, for comparison:
D. Talbot, M. Osborne, Smoothed Bloom Filter Language Models: Tera-Scale LMs on the Cheap, ACL 2007
Aug. 11 (Nikesh Garera)
L. Shen, G. Satta, A. Joshi., Guided learning for bidirectional sequence classification, ACL 2007
Aug. 3 (Yi Su)
M. Galley, K. McKeown, Lexicalized Markov Grammars for Sentence Compression, NAACL-HLT 2007
Jul. 18 (David Smith)
P. Liang, S. Petrov, M. Jordan, D. Klein, The Infinite PCFG Using Hierarchical Dirichlet Processes, EMNLP-CoNLL 2007
Jul. 6 (Christopher White)
A. Braunstein, M. Mezard, R. Zecchina., Survey propagation: an algorithm for satisfiability, Random Structures and Algorithms, 2005.
We sent some questions to Zecchina.
Lukas Kroc, Ashish Sabharwal and Bart Selman. Survey Propagation Revisited: An Empirical Study. 23rd UAI, 2007.
Jun. 21 (Christopher White)
K. Murphy, Y. Weiss, M. Jordan, Propagation for approximate inference: An empirical study., 15th UAI, pages 467-?75, 1999
... discussing (loopy) belief propagation as background for survey propagation, a topic which has been getting more attention lately for its ability to "solve very large hard combinatorial problems, such as determining the satisfiability of Boolean formulas. Chapter 8 of Chris Bishop's textbook is supposed to be a good treatment of graphical models overall. It is available free here [1]. He covers BP in section 8.4.4 after first presenting factor graphs in 8.4.3., David MacKay's treatment of BP, also in terms of factor graphs, is in chapter 26 of his book [2]. It's worth reading this chapter in full, perhaps first reading chapter 16. ... the update equations are given as (26.11) and (26.12) ... [substantial further discussion by Jason was here] Some people may prefer Bishop's style, others MacKay's.
Jun. 14 (David Smith)
X. Zhu, Z. Ghahramani,J. Lafferty, Semi-supervised learning using Gaussian fields and harmonic functions, ICML 2003
Jun. 6 (Nikesh Garera)
A. Alexandrescu, K. Kirchhoff, Data-Driven Graph Construction for Semi-Supervised Graph-Based Learning in NLP, HLT/NAACL 2007
Jun. 2 (Erin Fitzgerald)
J. Jiang, C. Zhai, A Systematic Exploration of the Feature Space for Relation Extraction, HLT/NAACL 2007
May 17 (Markus Dreyer)
M. Galley, K. McKeown, Lexicalized Markov Grammars for Sentence Compression, HLT/NAACL 2007
May 10 (David Smith )
M. Johnson, T. Griffiths, and S. Goldwater, Bayesian Inference for PCFGs via Markov Chain Monte Carlo, HLT/NAACL 2007

Spring 2007

Integrating search and learning

Apr. 19 (John Blatz)
A. Prieditis, Machine discovery of Effective Admissible Heuristics , Machine Learning Journal, 1993
Apr. 12 (Markus Dreyer)
A. Haghighi, J. DeNero and D. Klein, Approximate Factoring for A* Search, NAACL-HLT 2007
Mar. 29 & Apr. 5 (Zhifei Li)
H. Daume III, J. Langford, and D. Marcu, Search-based structured prediction, Machine Learning Journal, forthcoming
Mar. 8 (David Smith)
H. Daume III & D. Marcu, Learning as search optimization: approximate large margin methods for structured prediction, ICML 2005

Recent IR/QA papers (with an NLP or multilingual focus)

Mar. 1 (Wei Chen)
M. Kaisser, S. Scheible, and B. Webber, Experiments at the University of Edinburgh for the TREC 2006 QA track, TREC-15
They do some fairly deep interpretation of sentences, extracting their predicate-argument structure.
Feb. 22 (Eric Harley)
K. Kan Lo & W. Lam, Using Semantic Relations with World Knowledge for Question Answering, TREC-15

Unsupervised learning of morphology

Feb. 15 (Nikhil Bojja)
C. Monson et. al., Unsupervised Induction of Natural Language Morphology Inflection Classes, ACL Student Workshop '04
Feb. 8 (Delip Rao)
P. Schone and D. Jurafsky, Knowledge-free induction of morphology using latent semantic analysis , CoNLL 2000
However, there was an extension of this work reported in NAACL-2001 that looks at circumfixes and prefix/affix combinations. [3]
Feb. 1 (Nikesh Garera)
D. Yarowsky and R. Wicentowski, Minimally supervised morphological analysis by multimodal alignment,ACL 2000
For more details refer to Chapter 4 of Wicentowski's thesis.

Fall 2006

Syntax-based MT

Dec. 13 (Delip Rao)
J. Carbonell et. al., Context-based machine translation, AMTA 2006
Dec. 6 (Jason Smith)
M. Galley et. al., Scalable Inference and Training of Context-Rich Syntactic Translation Models, ACL 2006
It may also be helpful to look at:
M. Galley et. al., What's in a translation rule?, HLT/NAACL 2004
Nov. 29 (Balakrishnan V)
D. Marcu et. al., SPMT: Statistical Machine Translation with Syntactified Target Language Phrases , EMNLP 2006
Nov. 15 (Eric Harley)
D. Chiang, An introduction to synchronous grammars, ACL 2006 Tutorial
Slides from the talk are also available. [4]

Linguistics: Syntactic formalisms

Nov. 8 (Elliott Drabek)
K.Shklovsky, A Grammatical Sketch of Petalcingo Tzeltal, Undergraduate Thesis, Reed College, 2005
It is 77 pages long, but not dense, and I will be skipping the following sections: Pages
  • 01-14 Phonetics and phonology
  • 18-18 Polyvalence
  • 21-21 Inherent possession and ...
  • 46-55 Tense and aspect and other sections
Nov. 1 (Yi Su)
M. Steedman, Gapping as Constituent Coordination, Linguistics and Philosophy, Vol. 13, 1990, pp.207-264.
See Yi for photocopies.
Oct. 25 (Markus Dreyer)
S. Reizler et. al., Parsing the Wall Street Journal using a Lexical-Functional Grammar and Discriminative Estimation Techniques, ACL 2002
Oct. 18 (Erin Fitzgerald)
J. Bresnan & R.M. Kaplan, Lexical-Functional Grammar: A Formal System for Grammatical Representation , The Mental Representation of Grammatical Relations, MIT Press, 1982
The edited collection that this appears in is generally interesting. Bresnan defends and develops lexicalized grammars in general; the idea of separate surface and semantic roles; and Bresnan & Kaplan's LFG in particular. You should know that she originated (in 1978) the extremely influential idea of lexicalized syntax -- the idea that a grammar is simply a collection of lexical entries to be assembled in standard language-independent ways, but that there are also "lexical redundancy rules" that relate, e.g., active and passive entries for the same verb. Some chapters address morphological and cognitive issues pertaining to lexicalization, including an essay by Pinker on lexicalist learning., Slides from Erin's presentation can be found here.

Machine learning: Margin methods and structured classification

Oct. 11 (John Blatz)
L.Xu, D. Wilkinson, F. Southey, & D. Schuurmans, Discriminative Unsupervised Learning of Structured Predictors , ICML 2006
Oct. 4 (Nikesh Garera)
A. Culotta & J. Sorensen, Dependency Tree Kernels for Relation Extraction , ACL 2004
D. Zelenko, C. Aone, & A. RichardellaKernel Methods for Relation Extraction, JMLR, Volume 3, 2003
Sep. 27 (David Smith)
C. Cortes, P. Haffner, & M. Mohri, Rational Kernels , NIPS 2003
Papers extending rational kernels, including results on positive semidefinite cases, are at: [5], For the record, and not to be read, is an interesting parallel line of research in Fisher Kernels over strings, e.g. this paper by Saunders, Shawe-Taylor and Vinokourov: [6]
Sep. 20 (Elliot Drabek)
K.Q. Weinberger, F. Sha, & L.K. Saul, Learning a kernel matrix for nonlinear dimensionality reduction , ICML 2004
S.T. Roweis & L.K. Saul, Nonlinear Dimensionality Reduction by Locally Linear Embedding , Science, 22 December 2000
J.B. Tenenbaum, V. De Silva, & J.C. Langford, A global geometric framework for nonlinear dimensionality reduction , Science, 22 December 2000
Sep. 13 (Roy Tromble)
L. Xu, J. Neufeld, B. Larson, & D. Schuurmans, Maximum Margin Clustering , NIPS 2004

Summer 2006

Recent HLT-NAACL papers

Aug. 4 (David Smith)
Sharon Goldwater, Thomas L. Griffiths, Mark Johnson, Contextual Dependencies in Unsupervised Word Segmentation, ACL 2006
Anyone looking for a more straight-up language modeling discussion can compare:
More resources:
Jul. 20 (Roy Tromble)
Mehryar Mohri, Brian Roark, Probabilistic Context-Free Grammar Induction Based on Structural Zeros, HLT-NAACL, 2006
Jul. 6 (Keith Hall)
Charles Sutton, Michael Sindelar, Andrew McCallum, Reducing Weight Undertraining in Structured Discriminative Learning, HLT-NAACL, 2006
Jun. 31 (Markus Dreyer)
Joakim Nivre, Johan Hall et al, Labeled Pseudo-Projective Dependency Parsing with Support Vector Machines, CoNLL 2006
J. Nivre, J. Nilsson, Pseudo-Projective Dependency Parsing, ACL 2005
Jun. 24 (David Smith)
Percy Liang, Ben Taskar, Dan Klein, Alignment by Agreement, HLT-NAACL 2006

Spring 2006

Algorithms for NLP (mostly)

May 18 (Markus Dreyer)
Jonathan May, Kevin Knight, A Better N-Best List: Practical Determinization of Weighted Finite Tree Automata, Proc. NAACL-HLT, 2006
May 11 (John Blatz)
M. Gengler, An introduction to parallel dynamic programming, Lecture Notes in Computer Science, 1996
May 4 (David Smith)
C. E. R. Alves, E. N. C′aceres F. Dehne, Parallel dynamic programming for solving the string editing problem on a CGM/BSP, SPAA 2002
Apr. 20 (Balakrishnan V)
Richard M. Karp, Michael 0. Rabin, Efficient randomized Pattern matching Algorithms, IBM Journal of Research and Development, 1987
Mar. 31, Apr. 6 (Eric Harley)
Ben Taskar, Lacoste-Julien Simon, Klein Dan, A Discriminative Matching Approach to Word Alignment, ACL 2005
A related paper is
Ryan McDonald, Fernando Pereira, Kiril Ribarov, Jan Hajic, Non-projective Dependency Parsing using Spanning Tree Algorithms, HLT-EMNLP 2005
Mar.17 (Elliott Franco Drabek)
Necip Fazil Ayan, Bonnie J. Dorr, Christof Monz, Alignment Link Projection Using Transformation-Based Learning, HLT-EMNLP 2005
Mar.10 (Roy Tromble)
Terry Koo, Michael Collins, Hidden-Variable Models for Discriminative Reranking, HLT-EMNLP 2005
Mar.3 (Jason Riesa)
Hal Daume III, Daniel Marcu, Domain Adaptation for Statistical Classifiers, Journal of Artificial Intelligence Research, 2006
J. Gorman, J. CurranApproximate Searching for Distributional Similarity, Proceedings of the ACL-SIGLEX Workshop on Deep Lexical Acquisition, 2005
Feb. 23 (Omar F. Zaidan)
Ravichandran, Pantel, Hovy, Randomized Algorithms and NLP: Using Locality Sensitive Hash Function for High Speed Noun Clustering, ACL 2005

Consensus decoding

Feb. 16 (Noah A Smith)
Khalil Sima'an, Computational Complexity of Probabilistic Disambiguation by means of Tree-Grammars, COLING 1996
Francisco Casacuberta, Colin de la Higuera, Computational complexity of problems on probabilistic grammars and transducers, LNAI 1981
For a longer and more HMM/compbio view and extended results, see
Rune B. Lyngsoe, Christian N. S. Pederson, The Consensus String Problem and the Complexity of Comparing Hidden Markov Models, Journal of Computer and System Sciences 65:545-69, 2002

Extracting idioms

Feb. 9 (John Blatz)
Dominic Widdows, Beate Dorow, Automatic Extraction of Idioms using Graph Analysis and Asymmetric Lexicosyntactic Patterns, Proceedings of the ACL-SIGLEX Workshop on Deep Lexical Acquisition, 2005
Afsaneh Fazly, Suzanne StevensonAutomatic Acquisition of Knowledge about Multiword Predicates, Proceedings of the 19th Pacific Asia Conference on Language, Information, and Computation (PACLIC 2005).

Fall 2005

Nov. 23 (Roy Tromble)
Sutton, Charles and McCallum, Andrew, Composition of Conditional Random Fields for Transfer Learning, HLT-EMNLP 2005
Nov. 16 (Safiullah Shareef)
Hassan Sawaf, Jörg Zaplo, Hermann Ney, Statistical Classification Methods for Arabic News Articles
Nov. 4 (Jason Riesa)
Luke S. Zettlemoyer, Michael Collins., Learning to Map Sentences to Logical Form: Structured Classification with Probabilistic Categorial, UAI 2005
Oct. 27 (Markus Dreyer)
D. Roth and W. Yih, Integer Linear Programming Inference for Conditional Random Fields, ICML 2005
Oct. 20 (Roy Tromble)
Sheila M. Reynolds, Jeff A. Bilmes, Part-of-Speech Tagging using Virtual Evidence and Negative Training, HLT-EMNLP 2005
Sep. 21 (Arnab Ghoshal)
M. Jordan,Statistical Learning Theory, Chapters 2-3
Sep. 14 (Nikesh Garera)
M. Jordan,Statistical Learning Theory, Chapter 8 (Exponential family and Generalized linear models)

Summer 2005

Gibbs sampling

Sep. 1 (John, Markus, & Nikesh)
B. Walsh, Markov Chain Monte Carlo and Gibbs Sampling, Lecture Notes for EEB 581, version 26 April 2004
Aug. 26 (Roy Tromble)
Jenny Rose Finkel, Trond Grenager, Christopher Manning, Incorporating Non-local Information into Information Extraction Systems by Gibbs Sampling, ACL 2005

AI

Aug. 19 (John Blatz)
Niyogi, Sourabh, Steps Toward Deep Lexical Acquisition, ACL 2005

Unsupervised or semi-supervised EM

Aug. 5 (Adam)
Duh, Kevin and Kirchhoff, Katrin, Tagging of Dialectal Arabic: A Minimally Supervised Approach, ACL 2005
Jul. 28 (Zak)
Takuya Matsuzaki, Yusuke Miyao, Jun'ichi Tsujii, Probabilistic CFG with Latent Annotations, ACL 2005
Jul. 21 (Keith)
Sharon Goldwater and Mark Johnson, Representational Bias in Unsupervised Learning of Syllable Structure, ACL 2005
Jul. 21 (Damianos)
Ando, Rie and Zhang, Tong, A High-Performance Semi-Supervised Learning Method for Text Chunking, ACL 2005

Learning optimality-theoretic grammars

Jul. 14 (John Blatz)
Ying Lin, Learning Stochastic OT Grammars: A Bayesian Approach using Data Augmentation and Gibbs Sampling, ACL 2005
Jul. 14 (Roy Tromble)
Sharon Goldwater and Mark Johnson, Learning OT Constraint Rankings Using a Maximum Entropy Model, Proceedings of the Workshop on Variation within Optimality Theory, 2003

Spring 2005

May 7 (Markus Dreyer)
M. Diligenti, F.M. Coetzee, S. Lawrence, C.L. Giles, M. Gori, Focused Crawling Using Context Graphs, 26th International Conference on Very Large Databases, VLDB 2000
Adam Kilgarriff, Gregory Grefenstette, Introduction to the Special Issue on the Web as Corpus, Computational Lingustics, 2003
Apr. 28 (Damianos Karakos)
Alessandro Moschitti and Roberto Basili, Complex Linguistic Features for Text Classification: A comprehensive study, Proceedings of the 26th European Conference on Information Retrieval Research (ECIR 2004)
Apr. 21 (Omar F. Zaidan)
Tin Kam Ho, Jonathan J. Hull, Sargur N. Stihari, Decision Combination in Multiple Classifier Systems, IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol.16. No I. Jan. 1994
Dan Klein, Kristina Toutanova, H. Tolga Ilhan, Sepandar D. Kamvar and Christopher D. Manning,Combining Heterogeneous Classifiers for Word-Sense Disambiguation, ACL 2002
Apr. 16 (Brock Pytlik)
V. Lavrenko, S.L Feng, R. Manmatha, Statistical models for automatic video annotation and retrieval, ICASSP 2004
S.L Feng, R. Manmatha, V. Lavrenko, Multiple Bernoulli Relevance Models for Image and Video Annotation
The first is a short paper about the relevance model. The second is a follow up paper that details a subsequent model based on the CRM.
Apr. 9 (Noah A Smith)
G. Elidan, N. Friedman., The Information Bottleneck EM Algorithm, UAI 2003
G. Elidan, N. Friedman, Learning Hidden Variable Networks, JMLR 2005
Feb. 25, Mar. 4, Mar. 11, Apr. 2 (David Smith)
M. I. Jordan, Z. Ghahramani, T. S. Jaakkola, and L. K. Saul, Learning in Graphical Models, MIT Press, 1999

Fall 2004

Nov. 27 (Jia Cui)
David M. Blei, Andrew Y. Ng, Michael I. Jordan, Latent Dirichlet Allocation, JMLR 2003
Other papers on LDA: [www.cs.toronto.edu/~ywteh/research/npbayes/report.pdf], [7]
Nov. 20 (David Smith)
Olle Häggström and Karin Nelander, On Exact Simulation of Markov Random Fields Using Coupling from the Past, Foundation of the Scandinavian Journal of Statistics, 1999
James Fill and Mark Huber, The Randomness Recycler: A New Technique for erfect Sampling, FOCS 2000
Nov. 13 (Charles Schafer)
Endika Bengoextea, Inexact Graph Matching Using Estimation of Distribution Algorithms, Chapter 2: The graph matching problem, Ph.D dissertation, 2002
This chapter is general to the field although pretty sweeping and unspecific as a result. It probably makes a good introduction, since it gives an idea of the scope and diversity of the problem and proposed techniques ...
Yakov Keselman, Ali Shokoufandeh, M. Fatih Demirci, Sven Dickinson, Many-to-Many Graph Matching via Metric Embedding, Computer Vision and Pattern Recognition, 2003. Proceedings. 2003 IEEE
This is a state of the art paper which is quite dense but quite interesting. solves a very general formulation of inexact graph matching by first imbedding graphs into a normed space ...
Nov. 5 (Michelle Vanni)
Robert S. Swier and Suzanne Stevenson, Unsupervised Semantic Role Labelling, EMNLP 2004
Nianwen Xue and Martha Palmer, Calibrating Features for Semantic Role Labelling, EMNLP 2004
Oct. 29 (Eric Goldlust)
Stephen Clark and James Curran, Parsing the WSJ using CCG and Log-Linear Models, ACL 2004
Oct. 22 (Michelle Vanni)
Dekang Lin and Franz Och, Automatic Evaluation of Machine Translation Quality Using Longest Common Subsequence, ACL 2004
Babych and HartleyExtending the BLEU MT Evaluation Method with Frequency Weightings, ACL 2004
Oct. 15 (John Blatz)
Daichi Mochihashi, Genichiro Kikui, Kenji Kita, Learning Nonstructural Distance Metric by Minimum Cluster Distortions, EMNLP 2004
Oct. 2 (Nguyen Bach)
Background knowledge on SVM and Graphical Models:
Sep. 24, Oct. 7 (Roy Tromble)
B. Taskar, C. Guestrin and D. Koller, Max-Margin Markov Networks, Neural Information Processing Systems Conference (NIPS03), 2003
B. Taskar, D. Klein, M. Collins, D. Koller and C. ManningMax-Margin Parsing, EMNLP 2004
Sep. 9 (John Blatz)
Pascale Fung and Percy Cheung, Mining Very-Non-Parallel Corpora: Parallel Sentence and Lexicon Extraction via Bootstrapping and EM, ACL 2004
Dragos Stefan Munteanu, Alexander Fraser and Daniel MarcuImproved Machine Translation Performance via Parallel Sentence Extraction from Comparable Corpora, ACL 2004
Sep. 2 (Gideon Mann)
Xin Li, Paul Morie, and Dan Roth, Robust Reading: Identification and Tracing of Ambiguous Names, ACL 2004
Cheng Niu, Wei Li, Rohini K. SrihariWeakly Supervised Learning for Cross-Document Person-Name Disambiguation Supported by Information Extraction, ACL 2004
Aug. 27 (David Smith)
I. Dan Melamed, Statistical Machine Translation by Parsing, ACL 2004
Daniel Gildea, Dependencies vs. Constituents for Tree-Based Alignment, ACL 2004
Aug. 20 (Damianos Karakos, Charles Schafer)
P. Pantel and D. Lin, Discovering word senses from text, Proceedings of the eighth ACM SIGKDD international conference on Knowledge discovery and data mining, 2002
Diana McCarthy, Rob Koeling, Julie Weeds, John CarrollFinding Predominant Word Senses in Untagged Text, 2004

Spring 2004

Information extraction

May 15 (Roy Tromble)
Fuchun Peng, Andrew McCallum, Accurate Information Extraction from Research Papers using Conditional Random Fields,2004
May 1 (Izhak Shafran)
Eric J. Friedman, Strong Monotonicity in Surplus Sharing, 1999
Used Tom Dietterich has a web page on probabilistic relational models:, [8]
Apr. 24 (David Smith)
McCallum and Jensen, Extraction and Data Mining using Conditional-Probability Relational Models, IJCAI'03 Workshop on Learning Statistical Models from Relational Data, 2003
The paper is a survey of recent trends in IE and data mining (biased of course towards the authors' work) and a proposal to unify them with conditional random fields.

Combinatorial optimization

Apr. 17 (Elliott Franco Drabek)
Rina Dechter, Mini-Buckets: A General Scheme for Generating Approximations in Automated Reasoning, 2001
Apr. 10 (Noah Ashton Smith)
Denys Duchier, Axiomatizing Dependency Parsing Using Set Constraints, Sixth Meeting on Mathematics of Language, 2000
Apr. 10 (Noah Ashton Smith)
Denys Duchier, Axiomatizing Dependency Parsing Using Set Constraints, Sixth Meeting on Mathematics of Language, 2000
Apr. 3 (Roy Tromble)
Roman Bartak, Constraint Programming: In Pursuit of the Holy Grail, 1999

Learning how to search

Mar. 25 (Eric Goldlust)
Boyan and Moore, Learning Evaluation Functions to Improve Optimization by Local Search, Journal of Machine Learning Research, 2000

Discourse, summarization, paraphrase

Mar. 18 (Markus Dreyer)
Eugene Charniak, Niyu Ge, John Hale, A Statistical Approach to Anaphora Resolution, Proceedings of the Sixth Workshop on Very Large Corpora, 1998
Mar. 5 (Charles Schafer)
Daniel Marcu, Theory and Practice of Discourse Parsing and Summarization, Chapters 2 & 3, The MIT Press, 2000
Feb. 19 (David Smith)
Barzilay and Lee, Learning to Paraphrase: An Unsupervise Approach Using Multiple-Sequence Alignment, HLT 2003

Optimality theory

Feb. 12 (Brock Pytlik)
Bob Frank, Giorgio Satta, Optimality theory and the Generative Complexity of Constraint Violability, MIT Press
Feb. 5 (Brock Pytlik)
Jessica A. Barlow and Judith A. Gierut, Optimality theory in phonological acquisition, Journal of Speech, Language and Hearing 42, 1999
Paul Boersma, Joost Dekkers and Jeroen van de WeijerIntroduction. In Optimality Theory: Phonology, Syntax and AcquisitionOxford University Press 2000

Fall 2003

Dec. 12 (Paola Virga)
Kamal Nigam and Rayid Ghani, Analyzing the Effectiveness and Applicability of Co-training, Ninth International Conference on Information and Knowledge Management 2000
Nov. 20 (Noah A. Smith)
Rebecca Hwa, Miles Osborne, Anoop Sarkar, Mark Steedman, Corrected Co-training for Statistical Parsers, ICML 2003
Nov. 13 (Markus Dreyer)
Goldman and Zhou, Enhancing Supervised Learning with Unlabeled Data, ICML 2000
An additional paper with some experiments:
Clark, Curran and Osborne, Bootstrapping POS taggers using Unlabelled Data, CoNLL 2003
Nov. 6 (Brock Pytlik)
Stuart M. Shieber, Transducers as a Substrate for Natural Language Processing
Oct. 31 (Roy Tromble)
Dekai Wu, An algorithm for simultaneously bracketing parallel texts by aligning words, ACL 1995
Oct. 24 (Markus Dreyer)
Stuart M. Shieber, Yves Schabes, Synchronous Tree-Adjoining Grammars, Coling 1990
An additional closely related paper, Stuart M. Shieber, Yves Schabes, Generation and Synchronous Tree-Adjoining Grammars, Fifth International Workshop on Natural Language Generation
Oct. 10 (David Smith)
Bernard Comrie, Language Universals Linguistic Typology: Syntax and Morphology Language Universals, Chapters 6-7, Blackwell (1989)
Oct. 3 (Michelle Vanni)
Bernard Comrie, Language Universals Linguistic Typology: Syntax and Morphology Language Universals, Chapters 4-6, Blackwell (1989)
Sep. 18 (David Smith)
Bernard Comrie, Language Universals Linguistic Typology: Syntax and Morphology Language Universals, Chapters 2-3, Blackwell (1989)
Sep. 11 (Elliott Franco Drabek)
Bernard Comrie, Language Universals Linguistic Typology: Syntax and Morphology Language Universals, Chapters 1, Blackwell (1989)

Spring 2003

May 15 (Chal Haithaidharm)
V. N. Vapnik, The Nature of Statistical Learning Theory, Chapters 7B, 8, 9
May 8 (Noah Smith)
V. N. Vapnik, The Nature of Statistical Learning Theory, Chapters 6B - 7A
May 1 (Noah Smith)
V. N. Vapnik, The Nature of Statistical Learning Theory, Chapters 5B - 6A
Apr. 24 (Paola Virga)
V. N. Vapnik, The Nature of Statistical Learning Theory, Chapters 4B - 5A
Apr. 17 (Roy Tromble)
V. N. Vapnik, The Nature of Statistical Learning Theory,Chapters 2B - 4A
Apr. 10
V. N. Vapnik, The Nature of Statistical Learning Theory, Intro and Chapters 1, 2A
Mar.20 (Roy Tromble)
Nikita Schmid, Ahmed Patel, Using Tree Automata and Regular Expressions to Manipulate Hierarchically Structured Data
Mar.6 (Paola Virga)
Carl M. Kadie, Christopher Meek, David Heckerman, A Collaborative Filtering System Using Posteriors Over Weights of Evidence, Proceedings of the Eighteenth Conference on Uncertainty in Artificial Intelligence, 2002.
Feb. 26 (Elliott Drabek)
Steven Abney, Bootstrapping, ACL'02
Feb. 19 (Elliott Drabek)
A. Lopez, M. Nossal, R. Hwa, P. Resnik, Word-level Alignment for Multilingual Resource Acquisition, Proceedings of the 2002 LREC Workshop on Linguistic Knowledge Acquisition and Representation: Bootstrapping Annotated Language Data
Feb. 13 (David Smith)
K. Church, Empirical Estimates of Adaptation: The chance of Two Noriega's is closer to p/2 than p2, COLING 2000, pp. 173-179

Fall 2002

Jul. 31 (Paola Virga)
Kenji Yamada, Kevin Knight, A decoder for Syntax-based Statistical MT, ACL 2002
Jul. 24 (Michelle Vanni)
Paola Merlo, A Multilingual Paradigm for Automatic Verb Classification, ACL 2002
Dec. 5 (Silviu Cucerzan)
Darren Pearce, A Comparative Evaluation of Collocation Extraction Techniques, LREC 2002
D. Lin, Automatic identification of non-compositional phrases, ACL 1999
Nov. 21 (Silviu Cucerzan)
Ueda, Nakano, Ghahramani, Hinton, SMEM Algorithm for Mixture Models, Neural Information Processing Systems 1998
Nov. 14 (Michelle Vanni)
Marti Hearst, Untangling Text Data Mining, ACL 1999
Nov. 7 (Neda Khalili)
Yamamoto, Church, Using Suffix Arrays to Compute Term Frequency and Document Frequency for All Substrings in a Corpus, Computational Linguistics 2001
A related paper: Kageura, Bigram Statistics Revisited A Comparative Examination of Some Statistical Measures in Morphological Analysis of Japanese Kanji Sequences
Nov. 1 (Chalaporn Hathaidharm)
J. Gao, J. Goodman, M. Li, K. Lee, Toward A Unified Approach To Statistical Language Modeling For Chinese, ACM Transactions on Asian Language Information Processing, Vol. 1, No. 1, pp 3-33. 2002.
Oct. 24 (Roy Tromble)
Han, Benjamin, Building a Bilingual Dictionary with Scarce Resources: A Genetic Algorithm Approach
Oct. 17 (David Smith)
Cotton, Bird, An Integrated Framework for Treebanks and Multilayer Annotations, LREC 2002
Oct. 8 (Elliott Franco Drabek)
Ravichandran, Hovy, Learning Surface Text Patterns for a Question Answering System, ACL 2001
A similar paper: Lin, Pantel, Discovery of Inference Rules for Question Answering, KDD 2001
Oct. 2 (Gideon Mann)
Gildea, Jurafsky, Automatic Labeling of Semantics Roles, ACL 2001
Sep. 26 (Paul Ruhlen)
Hwa, Resnik, Weinberg, Kolak, Evaluating Translational Correspondence using Annotation Projection, ACL 2002
Sep. 19 (Paola Virga)
Yamada, Knight, A decoder for Syntax-based Statistical MT, ACL 2002
Sep. 10 (Noah A. Smith)
Collins, Duffy., New Ranking Algorithms for Parsing and Tagging: Kernels over Discrete Structures, and the Voted Perceptron, ACL 2002

Spring 2002

Apr. 25 (Paul Ruhlen)
H. Al-Adhaileh, Kong, Melamed, Malay-English Bitext Mapping and Alignment Using SIMR/GSA Algorithms, Malaysian National Conference on Research and Development on Lingustics 2001
Apr. 18 (Paul Ruhlen)
N. A. Rao, K. Rose, Deterministically annealed design of hidden Markov model speech recognizers, IEEE Trans. on Speech and Audio Processing, vol. 9, (no. 2), Feb. 2001
Apr. 11 (Paola Virga)
Neal, Hinton, A view of the EM algorithm that justifies incremental, sparse, and other variants, Learning in Graphical Models, 1999
And this article builds on the above. It tests an incremental version of EM (carefully choosing how incremental it will be), as well as a "lazy EM" version that visits "significant" cases more often.
Mar. 28 (Swapna Somasundaran)
Crestan, El-Beze, Improving supervised WSD by including rough semantic features in a Multilevel view of the Context, SEMPRO Workshop, Edinburgh, 2001.
Mar. 14 (Noah A. Smith)
Ratnaparkhi, A Simple Introduction to Maximum Entropy Models for NLP, Institute for Research in Cognitive Science, Univ. of Penn.
Feb. 28 (Silviu Cucerzan)
Marcu, Towards a Unified Approach to Memory- and Statistical-Based Machine Translation, Annual Meeting of the ACL, Proceedings of the 39th Annual Meeting on Association for Computational Linguistics '2001
Feb. 21 (Jia Cui)
Barzilay, McKeown, Extracting Paraphrases from a Parallel Corpus, Computer Science Department, Columbia Univ.
Feb. 14 (Charles Schafer )
Yaser, Germann, Translating with Scarce Resources, American Association for Artificial Intelligence 2000
Feb. 7 (Paola Virga)
Knight, Graehl, Machine Transliteration, ACL-EACL 1997

Fall 2001

Dec. 14 (Jia Cui)
Jerome Bellegarda, Exploiting latent semantic information in statistical language models, Proceedings of the IEEE, 88:8, Aug. 2000
Nov. 29 (Silviu Cucerzan)
Mike Collins, Yoram Singer, Unsupervised Models for Named Entity Classification, EMNLP/VLC'99
Nov. 20 (Radu Florian)
Blum, Mitchell, Combining Labeled and Unlabeled Data with Co-Training, COLT 1998
Nov. 16 (Richard Wicentowski)
Eisner, Satta, Efficient parsing for bilexical context-free grammars and head automaton grammars, ACL 1999
Plagiarism detection systems might be relevant to bitext alignment. A message to the Corpora list yesterday announced the following review paper:[9]
Nov. 2 (Paul Ruhlen)
Manning, Schuetze, Foundations of Statistical Natural Language Processing, Section 14 (clustering), pp. 495-527, MIT Press
Oct. 26 (Gideon Mann)
Tishby, Pereira, Bialek, The information bottleneck method
The paper describes a clustering method which is a generalization of their earlier work on "Distributional Clustering of English Words" (Pereira, Tishby and Lee '93).