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Proceedings of the 2013 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies
Lucy Vanderwende | Hal Daumé III | Katrin Kirchhoff

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Model With Minimal Translation Units, But Decode With Phrases
Nadir Durrani | Alexander Fraser | Helmut Schmid

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Beyond Left-to-Right: Multiple Decomposition Structures for SMT
Hui Zhang | Kristina Toutanova | Chris Quirk | Jianfeng Gao

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Improved Reordering for Phrase-Based Translation using Sparse Features
Colin Cherry

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Simultaneous Word-Morpheme Alignment for Statistical Machine Translation
Elif Eyigöz | Daniel Gildea | Kemal Oflazer

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Multi-faceted Event Recognition with Bootstrapped Dictionaries
Ruihong Huang | Ellen Riloff

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Named Entity Recognition with Bilingual Constraints
Wanxiang Che | Mengqiu Wang | Christopher D. Manning | Ting Liu

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Minimally Supervised Method for Multilingual Paraphrase Extraction from Definition Sentences on the Web
Yulan Yan | Chikara Hashimoto | Kentaro Torisawa | Takao Kawai | Jun’ichi Kazama | Stijn De Saeger

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Relation Extraction with Matrix Factorization and Universal Schemas
Sebastian Riedel | Limin Yao | Andrew McCallum | Benjamin M. Marlin

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Extracting the Native Language Signal for Second Language Acquisition
Ben Swanson | Eugene Charniak

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An Analysis of Frequency- and Memory-Based Processing Costs
Marten van Schijndel | William Schuler

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Cross-Lingual Semantic Similarity of Words as the Similarity of Their Semantic Word Responses
Ivan Vulić | Marie-Francine Moens

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Combining multiple information types in Bayesian word segmentation
Gabriel Doyle | Roger Levy

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Training Parsers on Incompatible Treebanks
Richard Johansson

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Learning a Part-of-Speech Tagger from Two Hours of Annotation
Dan Garrette | Jason Baldridge

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Experiments with Spectral Learning of Latent-Variable PCFGs
Shay B. Cohen | Karl Stratos | Michael Collins | Dean P. Foster | Lyle Ungar

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Representing Topics Using Images
Nikolaos Aletras | Mark Stevenson

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Drug Extraction from the Web: Summarizing Drug Experiences with Multi-Dimensional Topic Models
Michael J. Paul | Mark Dredze

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Towards Topic Labeling with Phrase Entailment and Aggregation
Yashar Mehdad | Giuseppe Carenini | Raymond T. Ng | Shafiq Joty

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Topic Segmentation with a Structured Topic Model
Lan Du | Wray Buntine | Mark Johnson

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Text Alignment for Real-Time Crowd Captioning
Iftekhar Naim | Daniel Gildea | Walter Lasecki | Jeffrey P. Bigham

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Discriminative Joint Modeling of Lexical Variation and Acoustic Confusion for Automated Narrative Retelling Assessment
Maider Lehr | Izhak Shafran | Emily Prud’hommeaux | Brian Roark

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Using Out-of-Domain Data for Lexical Addressee Detection in Human-Human-Computer Dialog
Heeyoung Lee | Andreas Stolcke | Elizabeth Shriberg

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Segmentation Strategies for Streaming Speech Translation
Vivek Kumar Rangarajan Sridhar | John Chen | Srinivas Bangalore | Andrej Ljolje | Rathinavelu Chengalvarayan

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Enforcing Subcategorization Constraints in a Parser Using Sub-parses Recombining
Seyed Abolghasem Mirroshandel | Alexis Nasr | Benoît Sagot

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Large-Scale Discriminative Training for Statistical Machine Translation Using Held-Out Line Search
Jeffrey Flanigan | Chris Dyer | Jaime Carbonell

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Measuring Term Informativeness in Context
Zhaohui Wu | C. Lee Giles

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Unsupervised Learning Summarization Templates from Concise Summaries
Horacio Saggion

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Classification of South African languages using text and acoustic based methods: A case of six selected languages
Peleira Nicholas Zulu

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Improving Syntax-Augmented Machine Translation by Coarsening the Label Set
Greg Hanneman | Alon Lavie

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Keyphrase Extraction for N-best Reranking in Multi-Sentence Compression
Florian Boudin | Emmanuel Morin

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Development of a Persian Syntactic Dependency Treebank
Mohammad Sadegh Rasooli | Manouchehr Kouhestani | Amirsaeid Moloodi

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Improving reordering performance using higher order and structural features
Mitesh M. Khapra | Ananthakrishnan Ramanathan | Karthik Visweswariah

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Massively Parallel Suffix Array Queries and On-Demand Phrase Extraction for Statistical Machine Translation Using GPUs
Hua He | Jimmy Lin | Adam Lopez

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Discriminative Training of 150 Million Translation Parameters and Its Application to Pruning
Hendra Setiawan | Bowen Zhou

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Applying Pairwise Ranked Optimisation to Improve the Interpolation of Translation Models
Barry Haddow

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Dialectal Arabic to English Machine Translation: Pivoting through Modern Standard Arabic
Wael Salloum | Nizar Habash

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What to do about bad language on the internet
Jacob Eisenstein

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Minibatch and Parallelization for Online Large Margin Structured Learning
Kai Zhao | Liang Huang

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Improved Part-of-Speech Tagging for Online Conversational Text with Word Clusters
Olutobi Owoputi | Brendan O’Connor | Chris Dyer | Kevin Gimpel | Nathan Schneider | Noah A. Smith

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Parser lexicalisation through self-learning
Marek Rei | Ted Briscoe

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Mining User Relations from Online Discussions using Sentiment Analysis and Probabilistic Matrix Factorization
Minghui Qiu | Liu Yang | Jing Jiang

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Focused training sets to reduce noise in NER feature models
Amber McKenzie

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Learning to Relate Literal and Sentimental Descriptions of Visual Properties
Mark Yatskar | Svitlana Volkova | Asli Celikyilmaz | Bill Dolan | Luke Zettlemoyer

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Morphological Analysis and Disambiguation for Dialectal Arabic
Nizar Habash | Ryan Roth | Owen Rambow | Ramy Eskander | Nadi Tomeh

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Using a Supertagged Dependency Language Model to Select a Good Translation in System Combination
Wei-Yun Ma | Kathleen McKeown

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Dudley North visits North London: Learning When to Transliterate to Arabic
Mahmoud Azab | Houda Bouamor | Behrang Mohit | Kemal Oflazer

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Better Twitter Summaries?
Joel Judd | Jugal Kalita

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Training MRF-Based Phrase Translation Models using Gradient Ascent
Jianfeng Gao | Xiaodong He

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Automatic Morphological Enrichment of a Morphologically Underspecified Treebank
Sarah Alkuhlani | Nizar Habash | Ryan Roth

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A Beam-Search Decoder for Normalization of Social Media Text with Application to Machine Translation
Pidong Wang | Hwee Tou Ng

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Parameter Estimation for LDA-Frames
Jiří Materna

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Approximate PCFG Parsing Using Tensor Decomposition
Shay B. Cohen | Giorgio Satta | Michael Collins

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Negative Deceptive Opinion Spam
Myle Ott | Claire Cardie | Jeffrey T. Hancock

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Improving speech synthesis quality by reducing pitch peaks in the source recordings
Luisina Violante | Pablo Rodríguez Zivic | Agustín Gravano

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Robust Systems for Preposition Error Correction Using Wikipedia Revisions
Aoife Cahill | Nitin Madnani | Joel Tetreault | Diane Napolitano

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Supervised Bilingual Lexicon Induction with Multiple Monolingual Signals
Ann Irvine | Chris Callison-Burch

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Creating Reverse Bilingual Dictionaries
Khang Nhut Lam | Jugal Kalita

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Identification of Temporal Event Relationships in Biographical Accounts
Lucian Silcox | Emmett Tomai

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Predicative Adjectives: An Unsupervised Criterion to Extract Subjective Adjectives
Michael Wiegand | Josef Ruppenhofer | Dietrich Klakow

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Modeling Syntactic and Semantic Structures in Hierarchical Phrase-based Translation
Junhui Li | Philip Resnik | Hal Daumé III

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Using Derivation Trees for Informative Treebank Inter-Annotator Agreement Evaluation
Seth Kulick | Ann Bies | Justin Mott | Mohamed Maamouri | Beatrice Santorini | Anthony Kroch

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Embracing Ambiguity: A Comparison of Annotation Methodologies for Crowdsourcing Word Sense Labels
David Jurgens

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Compound Embedding Features for Semi-supervised Learning
Mo Yu | Tiejun Zhao | Daxiang Dong | Hao Tian | Dianhai Yu

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On Quality Ratings for Spoken Dialogue Systems – Experts vs. Users
Stefan Ultes | Alexander Schmitt | Wolfgang Minker

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Overcoming the Memory Bottleneck in Distributed Training of Latent Variable Models of Text
Yi Yang | Alexander Yates | Doug Downey

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Processing Spontaneous Orthography
Ramy Eskander | Nizar Habash | Owen Rambow | Nadi Tomeh

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Purpose and Polarity of Citation: Towards NLP-based Bibliometrics
Amjad Abu-Jbara | Jefferson Ezra | Dragomir Radev

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Estimating effect size across datasets
Anders Søgaard

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Systematic Comparison of Professional and Crowdsourced Reference Translations for Machine Translation
Rabih Zbib | Gretchen Markiewicz | Spyros Matsoukas | Richard Schwartz | John Makhoul

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Down-stream effects of tree-to-dependency conversions
Jakob Elming | Anders Johannsen | Sigrid Klerke | Emanuele Lapponi | Hector Martinez Alonso | Anders Søgaard

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The Life and Death of Discourse Entities: Identifying Singleton Mentions
Marta Recasens | Marie-Catherine de Marneffe | Christopher Potts

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Automatic Generation of English Respellings
Bradley Hauer | Grzegorz Kondrak

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A Simple, Fast, and Effective Reparameterization of IBM Model 2
Chris Dyer | Victor Chahuneau | Noah A. Smith

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Phrase Training Based Adaptation for Statistical Machine Translation
Saab Mansour | Hermann Ney

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Translation Acquisition Using Synonym Sets
Daniel Andrade | Masaaki Tsuchida | Takashi Onishi | Kai Ishikawa

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Supersense Tagging for Arabic: the MT-in-the-Middle Attack
Nathan Schneider | Behrang Mohit | Chris Dyer | Kemal Oflazer | Noah A. Smith

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Zipfian corruptions for robust POS tagging
Anders Søgaard

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A Multi-Dimensional Bayesian Approach to Lexical Style
Julian Brooke | Graeme Hirst

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Unsupervised Domain Tuning to Improve Word Sense Disambiguation
Judita Preiss | Mark Stevenson

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What’s in a Domain? Multi-Domain Learning for Multi-Attribute Data
Mahesh Joshi | Mark Dredze | William W. Cohen | Carolyn P. Rosé

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An opinion about opinions about opinions: subjectivity and the aggregate reader
Asad Sayeed

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An Examination of Regret in Bullying Tweets
Jun-Ming Xu | Benjamin Burchfiel | Xiaojin Zhu | Amy Bellmore

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A Cross-language Study on Automatic Speech Disfluency Detection
Wen Wang | Andreas Stolcke | Jiahong Yuan | Mark Liberman

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Distributional semantic models for the evaluation of disordered language
Masoud Rouhizadeh | Emily Prud’hommeaux | Brian Roark | Jan van Santen

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Atypical Prosodic Structure as an Indicator of Reading Level and Text Difficulty
Julie Medero | Mari Ostendorf

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Using Document Summarization Techniques for Speech Data Subset Selection
Kai Wei | Yuzong Liu | Katrin Kirchhoff | Jeff Bilmes

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Semi-Supervised Discriminative Language Modeling with Out-of-Domain Text Data
Arda Çelebi | Murat Saraçlar

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More than meets the eye: Study of Human Cognition in Sense Annotation
Salil Joshi | Diptesh Kanojia | Pushpak Bhattacharyya

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Improving Lexical Semantics for Sentential Semantics: Modeling Selectional Preference and Similar Words in a Latent Variable Model
Weiwei Guo | Mona Diab

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Linguistic Regularities in Continuous Space Word Representations
Tomas Mikolov | Wen-tau Yih | Geoffrey Zweig

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TruthTeller: Annotating Predicate Truth
Amnon Lotan | Asher Stern | Ido Dagan

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PPDB: The Paraphrase Database
Juri Ganitkevitch | Benjamin Van Durme | Chris Callison-Burch

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Exploiting the Scope of Negations and Heterogeneous Features for Relation Extraction: A Case Study for Drug-Drug Interaction Extraction
Md. Faisal Mahbub Chowdhury | Alberto Lavelli

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Graph-Based Seed Set Expansion for Relation Extraction Using Random Walk Hitting Times
Joel Lang | James Henderson

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Distant Supervision for Relation Extraction with an Incomplete Knowledge Base
Bonan Min | Ralph Grishman | Li Wan | Chang Wang | David Gondek

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Measuring the Structural Importance through Rhetorical Structure Index
Narine Kokhlikyan | Alex Waibel | Yuqi Zhang | Joy Ying Zhang

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Separating Fact from Fear: Tracking Flu Infections on Twitter
Alex Lamb | Michael J. Paul | Mark Dredze

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Differences in User Responses to a Wizard-of-Oz versus Automated System
Jesse Thomason | Diane Litman

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Improving the Quality of Minority Class Identification in Dialog Act Tagging
Adinoyi Omuya | Vinodkumar Prabhakaran | Owen Rambow

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Discourse Connectors for Latent Subjectivity in Sentiment Analysis
Rakshit Trivedi | Jacob Eisenstein

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Coherence Modeling for the Automated Assessment of Spontaneous Spoken Responses
Xinhao Wang | Keelan Evanini | Klaus Zechner

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Disfluency Detection Using Multi-step Stacked Learning
Xian Qian | Yang Liu

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Using Semantic Unification to Generate Regular Expressions from Natural Language
Nate Kushman | Regina Barzilay

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Probabilistic Frame Induction
Jackie Chi Kit Cheung | Hoifung Poon | Lucy Vanderwende

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A Quantum-Theoretic Approach to Distributional Semantics
William Blacoe | Elham Kashefi | Mirella Lapata

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Answer Extraction as Sequence Tagging with Tree Edit Distance
Xuchen Yao | Benjamin Van Durme | Chris Callison-Burch | Peter Clark

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Open Information Extraction with Tree Kernels
Ying Xu | Mi-Young Kim | Kevin Quinn | Randy Goebel | Denilson Barbosa

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Finding What Matters in Questions
Xiaoqiang Luo | Hema Raghavan | Vittorio Castelli | Sameer Maskey | Radu Florian

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A Just-In-Time Keyword Extraction from Meeting Transcripts
Hyun-Je Song | Junho Go | Seong-Bae Park | Se-Young Park

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Same Referent, Different Words: Unsupervised Mining of Opaque Coreferent Mentions
Marta Recasens | Matthew Can | Daniel Jurafsky

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Global Inference for Bridging Anaphora Resolution
Yufang Hou | Katja Markert | Michael Strube

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Classifying Temporal Relations with Rich Linguistic Knowledge
Jennifer D’Souza | Vincent Ng

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Improved Information Structure Analysis of Scientific Documents Through Discourse and Lexical Constraints
Yufan Guo | Roi Reichart | Anna Korhonen

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Adaptation of Reordering Models for Statistical Machine Translation
Boxing Chen | George Foster | Roland Kuhn

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Multi-Metric Optimization Using Ensemble Tuning
Baskaran Sankaran | Anoop Sarkar | Kevin Duh

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Grouping Language Model Boundary Words to Speed K–Best Extraction from Hypergraphs
Kenneth Heafield | Philipp Koehn | Alon Lavie

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A Systematic Bayesian Treatment of the IBM Alignment Models
Yarin Gal | Phil Blunsom

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Unsupervised Metaphor Identification Using Hierarchical Graph Factorization Clustering
Ekaterina Shutova | Lin Sun

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Three Knowledge-Free Methods for Automatic Lexical Chain Extraction
Steffen Remus | Chris Biemann

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Combining Heterogeneous Models for Measuring Relational Similarity
Alisa Zhila | Wen-tau Yih | Christopher Meek | Geoffrey Zweig | Tomas Mikolov

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Broadly Improving User Classification via Communication-Based Name and Location Clustering on Twitter
Shane Bergsma | Mark Dredze | Benjamin Van Durme | Theresa Wilson | David Yarowsky

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To Link or Not to Link? A Study on End-to-End Tweet Entity Linking
Stephen Guo | Ming-Wei Chang | Emre Kiciman

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A Latent Variable Model for Viewpoint Discovery from Threaded Forum Posts
Minghui Qiu | Jing Jiang

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Identifying Intention Posts in Discussion Forums
Zhiyuan Chen | Bing Liu | Meichun Hsu | Malu Castellanos | Riddhiman Ghosh

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Dependency-based empty category detection via phrase structure trees
Nianwen Xue | Yaqin Yang

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Target Language Adaptation of Discriminative Transfer Parsers
Oscar Täckström | Ryan McDonald | Joakim Nivre

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Emergence of Gricean Maxims from Multi-Agent Decision Theory
Adam Vogel | Max Bodoia | Christopher Potts | Daniel Jurafsky

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Open Dialogue Management for Relational Databases
Ben Hixon | Rebecca J. Passonneau

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A method for the approximation of incremental understanding of explicit utterance meaning using predictive models in finite domains
David DeVault | David Traum

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Paving the Way to a Large-scale Pseudosense-annotated Dataset
Mohammad Taher Pilehvar | Roberto Navigli

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Labeling the Languages of Words in Mixed-Language Documents using Weakly Supervised Methods
Ben King | Steven Abney

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Learning Whom to Trust with MACE
Dirk Hovy | Taylor Berg-Kirkpatrick | Ashish Vaswani | Eduard Hovy

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Supervised All-Words Lexical Substitution using Delexicalized Features
György Szarvas | Chris Biemann | Iryna Gurevych

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A Tensor-based Factorization Model of Semantic Compositionality
Tim Van de Cruys | Thierry Poibeau | Anna Korhonen

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A Participant-based Approach for Event Summarization Using Twitter Streams
Chao Shen | Fei Liu | Fuliang Weng | Tao Li

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Towards Coherent Multi-Document Summarization
Janara Christensen | Mausam | Stephen Soderland | Oren Etzioni

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Generating Expressions that Refer to Visible Objects
Margaret Mitchell | Kees van Deemter | Ehud Reiter

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Supervised Learning of Complete Morphological Paradigms
Greg Durrett | John DeNero

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Optimal Data Set Selection: An Application to Grapheme-to-Phoneme Conversion
Young-Bum Kim | Benjamin Snyder

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Knowledge-Rich Morphological Priors for Bayesian Language Models
Victor Chahuneau | Noah A. Smith | Chris Dyer