Natural language processing employs computational techniques for the purpose of learning, understanding, and producing human language content. Early computational approaches to language research focused on automating the analysis of the linguistic structure of language and developing basic technologies such as machine translation, speech recognition, and speech synthesis. Today's researchers refine and make use of such tools in real-world applications, creating spoken dialogue systems and speech-to-speech translation engines, mining social media for information about health or finance, and identifying sentiment and emotion toward products and services. We describe successes and challenges in this rapidly advancing area. Copyright © 2015, American Association for the Advancement of Science.
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Comparison and Evaluation of Two Approaches of a Multilayered QA System Applied to Temporality
Estela Saquete Boró, R. Muñoz, Patricio Martínez Barco, José-Luis Vicedo González
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The Contents and Structure of the Context Base, and Its Application
Yusuke Takahashi, Ichiro Kobayashi, Michiaki Iwazume, Noriko Ito, Michio Sugeno
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Language Understanding Using n-multigram Models
Lluís Felip Hurtado Oliver, Encarna Segarra Soriano, Fernando García Granada, Emilio Sanchís Arnal
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Named Entity Recognition Through Corpus Transformation and System Combination
José A. Troyano, Vicente Carrillo, Fernando Enríquez, Francisco José Galán Morillo
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One Size Fits All? A Simple Technique to Perform Several NLP Tasks
Daniel Gayo Avello, Darío Álvarez Gutiérrez, José Gayo Avello
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Ontology-Based Feature Transformations: A Data-Driven Approach
Filip Ginter, Sampo Pyysalo, Jorma Boberg, Jouni Järvinen, Tapio Salakoski
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On the Quality of Lexical Resources for Word Sense Disambiguation
Luís Màrquez, Mariona Taulé Delor, Lluís Padró Cirera, Luis Villarejo, María Antonia Martí Antonín
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Semantic-Aided Anaphora Resolution in Large Corpora Development
Maximiliano Sáiz Noeda, Borja Navarro Colorado, Rubén Izquierdo
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SemRol: Recognition of Semantic Roles
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SisHiTra: A Hybrid Machine Translation System from Spanish to Catalan
José R. Navarro, Jorge González, David Picó Vila, Francisco Casacuberta Nolla, Joan M. de Val, Ferran Fabregat i Cosme, Ferrán Pla, Jesús Tomás
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A Study of Chunk-Based and Keyword-Based Approaches for Generating Headlines
Enrique Alfonseca Cubero, José María Guirao Miras, Antonio Moreno Sandoval
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Suffixal and Prefixal Morpholexical Relationships of the Spanish
Octavio Santana, José Pérez, Francisco Carreras, Gustavo Rodríguez
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SuPor: An Environment for AS of Texts in Brazilian Portuguese
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Systemic Analysis Applied to Problem Solving: The Case of the Past Participle in French
Séverine Vienney, Sylviane Greenfield-Cardey, Peter Greenfield
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The Merging Problem in Distributed Information Retrieval and the 2-Step RSV Merging Algorithm
Fernando Martínez Santiago, Miguel Ángel García Cumbreras, Luis Alfonso Ureña López
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Unsupervised Training of a Finite-State Sliding-Window Part-of-Speech Tagger
Enrique Sánchez Villamil, Mikel L. Forcada Zubizarreta, Rafael C. Carrasco Jiménez
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