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Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics
Nicoletta Calzolari | Claire Cardie | Pierre Isabelle

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Combination of Arabic Preprocessing Schemes for Statistical Machine Translation
Fatiha Sadat | Nizar Habash

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Going Beyond AER: An Extensive Analysis of Word Alignments and Their Impact on MT
Necip Fazil Ayan | Bonnie J. Dorr

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Unsupervised Topic Modelling for Multi-Party Spoken Discourse
Matthew Purver | Konrad P. Körding | Thomas L. Griffiths | Joshua B. Tenenbaum

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Minimum Cut Model for Spoken Lecture Segmentation
Igor Malioutov | Regina Barzilay

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Bootstrapping Path-Based Pronoun Resolution
Shane Bergsma | Dekang Lin

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Kernel-Based Pronoun Resolution with Structured Syntactic Knowledge
Xiaofeng Yang | Jian Su | Chew Lim Tan

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A Finite-State Model of Human Sentence Processing
Jihyun Park | Chris Brew

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Acceptability Prediction by Means of Grammaticality Quantification
Philippe Blache | Barbara Hemforth | Stéphane Rauzy

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Discriminative Word Alignment with Conditional Random Fields
Phil Blunsom | Trevor Cohn

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Named Entity Transliteration with Comparable Corpora
Richard Sproat | Tao Tao | ChengXiang Zhai

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Extracting Parallel Sub-Sentential Fragments from Non-Parallel Corpora
Dragos Stefan Munteanu | Daniel Marcu

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Estimating Class Priors in Domain Adaptation for Word Sense Disambiguation
Yee Seng Chan | Hwee Tou Ng

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Ensemble Methods for Unsupervised WSD
Samuel Brody | Roberto Navigli | Mirella Lapata

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Meaningful Clustering of Senses Helps Boost Word Sense Disambiguation Performance
Roberto Navigli

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Espresso: Leveraging Generic Patterns for Automatically Harvesting Semantic Relations
Patrick Pantel | Marco Pennacchiotti

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Modeling Commonality among Related Classes in Relation Extraction
GuoDong Zhou | Jian Su | Min Zhang

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Relation Extraction Using Label Propagation Based Semi-Supervised Learning
Jinxiu Chen | Donghong Ji | Chew Lim Tan | Zhengyu Niu

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Polarized Unification Grammars
Sylvain Kahane

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Partially Specified Signatures: A Vehicle for Grammar Modularity
Yael Cohen-Sygal | Shuly Wintner

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Morphology-Syntax Interface for Turkish LFG
Özlem Çetinoğlu | Kemal Oflazer

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PCFGs with Syntactic and Prosodic Indicators of Speech Repairs
John Hale | Izhak Shafran | Lisa Yung | Bonnie J. Dorr | Mary Harper | Anna Krasnyanskaya | Matthew Lease | Yang Liu | Brian Roark | Matthew Snover | Robin Stewart

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Dependency Parsing of Japanese Spoken Monologue Based on Clause Boundaries
Tomohiro Ohno | Shigeki Matsubara | Hideki Kashioka | Takehiko Maruyama | Yasuyoshi Inagaki

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Trace Prediction and Recovery with Unlexicalized PCFGs and Slash Features
Helmut Schmid

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Learning More Effective Dialogue Strategies Using Limited Dialogue Move Features
Matthew Frampton | Oliver Lemon

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Dependencies between Student State and Speech Recognition Problems in Spoken Tutoring Dialogues
Mihai Rotaru | Diane J. Litman

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Learning the Structure of Task-Driven Human-Human Dialogs
Srinivas Bangalore | Giuseppe Di Fabbrizio | Amanda Stent

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Semi-Supervised Conditional Random Fields for Improved Sequence Segmentation and Labeling
Feng Jiao | Shaojun Wang | Chi-Hoon Lee | Russell Greiner | Dale Schuurmans

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Training Conditional Random Fields with Multivariate Evaluation Measures
Jun Suzuki | Erik McDermott | Hideki Isozaki

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Approximation Lasso Methods for Language Modeling
Jianfeng Gao | Hisami Suzuki | Bin Yu

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Automated Japanese Essay Scoring System based on Articles Written by Experts
Tsunenori Ishioka | Masayuki Kameda

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A Feedback-Augmented Method for Detecting Errors in the Writing of Learners of English
Ryo Nagata | Atsuo Kawai | Koichiro Morihiro | Naoki Isu

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Correcting ESL Errors Using Phrasal SMT Techniques
Chris Brockett | William B. Dolan | Michael Gamon

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Graph Transformations in Data-Driven Dependency Parsing
Jens Nilsson | Joakim Nivre | Johan Hall

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Learning to Generate Naturalistic Utterances Using Reviews in Spoken Dialogue Systems
Ryuichiro Higashinaka | Rashmi Prasad | Marilyn A. Walker

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Measuring Language Divergence by Intra-Lexical Comparison
T. Mark Ellison | Simon Kirby

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Enhancing Electronic Dictionaries with an Index Based on Associations
Olivier Ferret | Michael Zock

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Guiding a Constraint Dependency Parser with Supertags
Kilian A. Foth | Tomas By | Wolfgang Menzel

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Efficient Unsupervised Discovery of Word Categories Using Symmetric Patterns and High Frequency Words
Dmitry Davidov | Ari Rappoport

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Bayesian Query-Focused Summarization
Hal Daumé III | Daniel Marcu

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Expressing Implicit Semantic Relations without Supervision
Peter D. Turney

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Hybrid Parsing: Using Probabilistic Models as Predictors for a Symbolic Parser
Kilian A. Foth | Wolfgang Menzel

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Error Mining in Parsing Results
Benoît Sagot | Éric de la Clergerie

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Reranking and Self-Training for Parser Adaptation
David McClosky | Eugene Charniak | Mark Johnson

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Automatic Classification of Verbs in Biomedical Texts
Anna Korhonen | Yuval Krymolowski | Nigel Collier

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Selection of Effective Contextual Information for Automatic Synonym Acquisition
Masato Hagiwara | Yasuhiro Ogawa | Katsuhiko Toyama

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Scaling Distributional Similarity to Large Corpora
James Gorman | James R. Curran

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Extractive Summarization using Inter- and Intra- Event Relevance
Wenjie Li | Mingli Wu | Qin Lu | Wei Xu | Chunfa Yuan

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Models for Sentence Compression: A Comparison across Domains, Training Requirements and Evaluation Measures
James Clarke | Mirella Lapata

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A Bottom-Up Approach to Sentence Ordering for Multi-Document Summarization
Danushka Bollegala | Naoaki Okazaki | Mitsuru Ishizuka

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Learning Event Durations from Event Descriptions
Feng Pan | Rutu Mulkar | Jerry R. Hobbs

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Automatic Learning of Textual Entailments with Cross-Pair Similarities
Fabio Massimo Zanzotto | Alessandro Moschitti

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An Improved Redundancy Elimination Algorithm for Underspecified Representations
Alexander Koller | Stefan Thater

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Integrating Syntactic Priming into an Incremental Probabilistic Parser, with an Application to Psycholinguistic Modeling
Amit Dubey | Frank Keller | Patrick Sturt

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A Fast, Accurate Deterministic Parser for Chinese
Mengqiu Wang | Kenji Sagae | Teruko Mitamura

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Learning Accurate, Compact, and Interpretable Tree Annotation
Slav Petrov | Leon Barrett | Romain Thibaux | Dan Klein

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Semi-Supervised Learning of Partial Cognates Using Bilingual Bootstrapping
Oana Frunza | Diana Inkpen

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Direct Word Sense Matching for Lexical Substitution
Ido Dagan | Oren Glickman | Alfio Gliozzo | Efrat Marmorshtein | Carlo Strapparava

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An Equivalent Pseudoword Solution to Chinese Word Sense Disambiguation
Zhimao Lu | Haifeng Wang | Jianmin Yao | Ting Liu | Sheng Li

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Improving the Scalability of Semi-Markov Conditional Random Fields for Named Entity Recognition
Daisuke Okanohara | Yusuke Miyao | Yoshimasa Tsuruoka | Jun’ichi Tsujii

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Factorizing Complex Models: A Case Study in Mention Detection
Radu Florian | Hongyan Jing | Nanda Kambhatla | Imed Zitouni

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Segment-Based Hidden Markov Models for Information Extraction
Zhenmei Gu | Nick Cercone

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A DOM Tree Alignment Model for Mining Parallel Data from the Web
Lei Shi | Cheng Niu | Ming Zhou | Jianfeng Gao

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QuestionBank: Creating a Corpus of Parse-Annotated Questions
John Judge | Aoife Cahill | Josef van Genabith

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Creating a CCGbank and a Wide-Coverage CCG Lexicon for German
Julia Hockenmaier

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Improved Discriminative Bilingual Word Alignment
Robert C. Moore | Wen-tau Yih | Andreas Bode

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Maximum Entropy Based Phrase Reordering Model for Statistical Machine Translation
Deyi Xiong | Qun Liu | Shouxun Lin

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Distortion Models for Statistical Machine Translation
Yaser Al-Onaizan | Kishore Papineni

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A Study on Automatically Extracted Keywords in Text Categorization
Anette Hulth | Beáta B. Megyesi

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A Comparison and Semi-Quantitative Analysis of Words and Character-Bigrams as Features in Chinese Text Categorization
Jingyang Li | Maosong Sun | Xian Zhang

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Exploiting Comparable Corpora and Bilingual Dictionaries for Cross-Language Text Categorization
Alfio Gliozzo | Carlo Strapparava

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A Progressive Feature Selection Algorithm for Ultra Large Feature Spaces
Qi Zhang | Fuliang Weng | Zhe Feng

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Annealing Structural Bias in Multilingual Weighted Grammar Induction
Noah A. Smith | Jason Eisner

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Maximum Entropy Based Restoration of Arabic Diacritics
Imed Zitouni | Jeffrey S. Sorensen | Ruhi Sarikaya

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An Iterative Implicit Feedback Approach to Personalized Search
Yuanhua Lv | Le Sun | Junlin Zhang | Jian-Yun Nie | Wan Chen | Wei Zhang

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The Effect of Translation Quality in MT-Based Cross-Language Information Retrieval
Jiang Zhu | Haifeng Wang

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A Comparison of Document, Sentence, and Term Event Spaces
Catherine Blake

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Tree-to-String Alignment Template for Statistical Machine Translation
Yang Liu | Qun Liu | Shouxun Lin

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Incorporating Speech Recognition Confidence into Discriminative Named Entity Recognition of Speech Data
Katsuhito Sudoh | Hajime Tsukada | Hideki Isozaki

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Exploiting Syntactic Patterns as Clues in Zero-Anaphora Resolution
Ryu Iida | Kentaro Inui | Yuji Matsumoto

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Self-Organizing n-gram Model for Automatic Word Spacing
Seong-Bae Park | Yoon-Shik Tae | Se-Young Park

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Concept Unification of Terms in Different Languages for IR
Qing Li | Sung-Hyon Myaeng | Yun Jin | Bo-yeong Kang

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Word Alignment in English-Hindi Parallel Corpus Using Recency-Vector Approach: Some Studies
Niladri Chatterjee | Saumya Agrawal

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Extracting Loanwords from Mongolian Corpora and Producing a Japanese-Mongolian Bilingual Dictionary
Badam-Osor Khaltar | Atsushi Fujii | Tetsuya Ishikawa

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An Unsupervised Morpheme-Based HMM for Hebrew Morphological Disambiguation
Meni Adler | Michael Elhadad

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Contextual Dependencies in Unsupervised Word Segmentation
Sharon Goldwater | Thomas L. Griffiths | Mark Johnson

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MAGEAD: A Morphological Analyzer and Generator for the Arabic Dialects
Nizar Habash | Owen Rambow

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Noun Phrase Chunking in Hebrew: Influence of Lexical and Morphological Features
Yoav Goldberg | Meni Adler | Michael Elhadad

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Multi-Tagging for Lexicalized-Grammar Parsing
James R. Curran | Stephen Clark | David Vadas

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Guessing Parts-of-Speech of Unknown Words Using Global Information
Tetsuji Nakagawa | Yuji Matsumoto

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A Clustered Global Phrase Reordering Model for Statistical Machine Translation
Masaaki Nagata | Kuniko Saito | Kazuhide Yamamoto | Kazuteru Ohashi

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A Discriminative Global Training Algorithm for Statistical MT
Christoph Tillmann | Tong Zhang

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Phoneme-to-Text Transcription System with an Infinite Vocabulary
Shinsuke Mori | Daisuke Takuma | Gakuto Kurata

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Automatic Generation of Domain Models for Call-Centers from Noisy Transcriptions
Shourya Roy | L Venkata Subramaniam

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Proximity in Context: An Empirically Grounded Computational Model of Proximity for Processing Topological Spatial Expressions
John D. Kelleher | Geert-Jan M. Kruijff | Fintan J. Costello

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Machine Learning of Temporal Relations
Inderjeet Mani | Marc Verhagen | Ben Wellner | Chong Min Lee | James Pustejovsky

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An End-to-End Discriminative Approach to Machine Translation
Percy Liang | Alexandre Bouchard-Côté | Dan Klein | Ben Taskar

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Semi-Supervised Training for Statistical Word Alignment
Alexander Fraser | Daniel Marcu

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Left-to-Right Target Generation for Hierarchical Phrase-Based Translation
Taro Watanabe | Hajime Tsukada | Hideki Isozaki

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You Can’t Beat Frequency (Unless You Use Linguistic Knowledge) – A Qualitative Evaluation of Association Measures for Collocation and Term Extraction
Joachim Wermter | Udo Hahn

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Ontologizing Semantic Relations
Marco Pennacchiotti | Patrick Pantel

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Semantic Taxonomy Induction from Heterogenous Evidence
Rion Snow | Daniel Jurafsky | Andrew Y. Ng

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Names and Similarities on the Web: Fact Extraction in the Fast Lane
Marius Paşca | Dekang Lin | Jeffrey Bigham | Andrei Lifchits | Alpa Jain

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Weakly Supervised Named Entity Transliteration and Discovery from Multilingual Comparable Corpora
Alexandre Klementiev | Dan Roth

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A Composite Kernel to Extract Relations between Entities with Both Flat and Structured Features
Min Zhang | Jie Zhang | Jian Su | GuoDong Zhou

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Japanese Dependency Parsing Using Co-Occurrence Information and a Combination of Case Elements
Takeshi Abekawa | Manabu Okumura

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Answer Extraction, Semantic Clustering, and Extractive Summarization for Clinical Question Answering
Dina Demner-Fushman | Jimmy Lin

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Discovering Asymmetric Entailment Relations between Verbs Using Selectional Preferences
Fabio Massimo Zanzotto | Marco Pennacchiotti | Maria Teresa Pazienza

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Event Extraction in a Plot Advice Agent
Harry Halpin | Johanna D. Moore

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An All-Subtrees Approach to Unsupervised Parsing
Rens Bod

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Advances in Discriminative Parsing
Joseph Turian | I. Dan Melamed

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Prototype-Driven Grammar Induction
Aria Haghighi | Dan Klein

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Exploring Correlation of Dependency Relation Paths for Answer Extraction
Dan Shen | Dietrich Klakow

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Question Answering with Lexical Chains Propagating Verb Arguments
Adrian Novischi | Dan Moldovan

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Methods for Using Textual Entailment in Open-Domain Question Answering
Sanda Harabagiu | Andrew Hickl

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Using String-Kernels for Learning Semantic Parsers
Rohit J. Kate | Raymond J. Mooney

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A Bootstrapping Approach to Unsupervised Detection of Cue Phrase Variants
Rashid M. Abdalla | Simone Teufel

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Semantic Role Labeling via FrameNet, VerbNet and PropBank
Ana-Maria Giuglea | Alessandro Moschitti

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Multilingual Legal Terminology on the Jibiki Platform: The LexALP Project
Gilles Sérasset | Francis Brunet-Manquat | Elena Chiocchetti

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Leveraging Reusability: Cost-Effective Lexical Acquisition for Large-Scale Ontology Translation
G. Craig Murray | Bonnie J. Dorr | Jimmy Lin | Jan Hajič | Pavel Pecina

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Accurate Collocation Extraction Using a Multilingual Parser
Violeta Seretan | Eric Wehrli

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Scalable Inference and Training of Context-Rich Syntactic Translation Models
Michel Galley | Jonathan Graehl | Kevin Knight | Daniel Marcu | Steve DeNeefe | Wei Wang | Ignacio Thayer

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Modelling Lexical Redundancy for Machine Translation
David Talbot | Miles Osborne

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Empirical Lower Bounds on the Complexity of Translational Equivalence
Benjamin Wellington | Sonjia Waxmonsky | I. Dan Melamed

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A Hierarchical Bayesian Language Model Based On Pitman-Yor Processes
Yee Whye Teh

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A Phonetic-Based Approach to Chinese Chat Text Normalization
Yunqing Xia | Kam-Fai Wong | Wenjie Li

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Discriminative Pruning of Language Models for Chinese Word Segmentation
Jianfeng Li | Haifeng Wang | Dengjun Ren | Guohua Li

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Novel Association Measures Using Web Search with Double Checking
Hsin-Hsi Chen | Ming-Shun Lin | Yu-Chuan Wei

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Semantic Retrieval for the Accurate Identification of Relational Concepts in Massive Textbases
Yusuke Miyao | Tomoko Ohta | Katsuya Masuda | Yoshimasa Tsuruoka | Kazuhiro Yoshida | Takashi Ninomiya | Jun’ichi Tsujii

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Exploring Distributional Similarity Based Models for Query Spelling Correction
Mu Li | Muhua Zhu | Yang Zhang | Ming Zhou

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Robust PCFG-Based Generation Using Automatically Acquired LFG Approximations
Aoife Cahill | Josef van Genabith

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Incremental Generation of Spatial Referring Expressions in Situated Dialog
John D. Kelleher | Geert-Jan M. Kruijff

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Learning to Predict Case Markers in Japanese
Hisami Suzuki | Kristina Toutanova

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Are These Documents Written from Different Perspectives? A Test of Different Perspectives Based on Statistical Distribution Divergence
Wei-Hao Lin | Alexander Hauptmann

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Word Sense and Subjectivity
Janyce Wiebe | Rada Mihalcea

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Improving QA Accuracy by Question Inversion
John Prager | Pablo Duboue | Jennifer Chu-Carroll

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Reranking Answers for Definitional QA Using Language Modeling
Yi Chen | Ming Zhou | Shilong Wang

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Highly Constrained Unification Grammars
Daniel Feinstein | Shuly Wintner

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A Polynomial Parsing Algorithm for the Topological Model: Synchronizing Constituent and Dependency Grammars, Illustrated by German Word Order Phenomena
Kim Gerdes | Sylvain Kahane

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Stochastic Language Generation Using WIDL-Expressions and its Application in Machine Translation and Summarization
Radu Soricut | Daniel Marcu

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Learning to Say It Well: Reranking Realizations by Predicted Synthesis Quality
Crystal Nakatsu | Michael White

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An Effective Two-Stage Model for Exploiting Non-Local Dependencies in Named Entity Recognition
Vijay Krishnan | Christopher D. Manning

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Learning Transliteration Lexicons from the Web
Jin-Shea Kuo | Haizhou Li | Ying-Kuei Yang

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Punjabi Machine Transliteration
M.G. Abbas Malik

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Multilingual Document Clustering: An Heuristic Approach Based on Cognate Named Entities
Soto Montalvo | Raquel Martínez | Arantza Casillas | Víctor Fresno

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Time Period Identification of Events in Text
Taichi Noro | Takashi Inui | Hiroya Takamura | Manabu Okumura

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Optimal Constituent Alignment with Edge Covers for Semantic Projection
Sebastian Padó | Mirella Lapata

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Utilizing Co-Occurrence of Answers in Question Answering
Min Wu | Tomek Strzalkowski