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Computation and Language papers — page 2

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Automatically Creating Bilingual Lexicons for Machine Translation from Bilingual Text
A method is presented for automatically augmenting the bilingual lexicon of an existing Machine Translation system, by extracting bilingual entries from aligned bilingual text. The proposed method…
Davide TurcatoJul 20, 1998
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A Linguistically Interpreted Corpus of German Newspaper Text
In this paper, we report on the development of an annotation scheme and annotation tools for unrestricted German text. Our representation format is based on argument structure, but also permits the…
Wojciech Skut, Thorsten Brants, Brigitte Krenn et al.Jul 17, 1998
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Chunk Tagger - Statistical Recognition of Noun Phrases
We describe a stochastic approach to partial parsing, i.e., the recognition of syntactic structures of limited depth. The technique utilises Markov Models, but goes beyond usual bracketing…
Wojciech Skut, Thorsten BrantsJul 17, 1998
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A Maximum-Entropy Partial Parser for Unrestricted Text
This paper describes a partial parser that assigns syntactic structures to sequences of part-of-speech tags. The program uses the maximum entropy parameter estimation method, which allows a flexible…
Wojciech Skut, Thorsten BrantsJul 17, 1998
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Graph Interpolation Grammars as Context-Free Automata
A derivation step in a Graph Interpolation Grammar has the effect of scanning an input token. This feature, which aims at emulating the incrementality of the natural parser, restricts the formal…
John LarchevequeJul 17, 1998
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Word Clustering and Disambiguation Based on Co-occurrence Data
We address the problem of clustering words (or constructing a thesaurus) based on co-occurrence data, and using the acquired word classes to improve the accuracy of syntactic disambiguation. We view…
Hang Li, Naoki AbeJul 17, 1998
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Centering in Dynamic Semantics
Centering theory posits a discourse center, a distinguished discourse entity that is the topic of a discourse. A simplified version of this theory is developed in a Dynamic Semantics framework. In…
Daniel HardtJul 14, 1998
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The Role of Verbs in Document Analysis
We present results of two methods for assessing the event profile of news articles as a function of verb type. The unique contribution of this research is the focus on the role of verbs, rather than…
Judith L. Klavans, Min-Yen KanJul 13, 1998
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Evaluating a Focus-Based Approach to Anaphora Resolution
We present an approach to anaphora resolution based on a focusing algorithm, and implemented within an existing MUC (Message Understanding Conference) Information Extraction system, allowing…
Saliha Azzam, Kevin Humphreys, Robert GaizauskasJul 6, 1998
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Textual Economy through Close Coupling of Syntax and Semantics
We focus on the production of efficient descriptions of objects, actions and events. We define a type of efficiency, textual economy, that exploits the hearer's recognition of inferential links…
Matthew Stone, Bonnie WebberJun 29, 1998
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An Empirical Investigation of Proposals in Collaborative Dialogues
We describe a corpus-based investigation of proposals in dialogue. First, we describe our DRI compliant coding scheme and report our inter-coder reliability results. Next, we test several hypotheses…
Barbara Di Eugenio, Pamela W. Jordan, Johanna D. Moore et al.Jun 25, 1998
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Never Look Back: An Alternative to Centering
I propose a model for determining the hearer's attentional state which depends solely on a list of salient discourse entities (S-list). The ordering among the elements of the S-list covers also…
Michael StrubeJun 25, 1998
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Anchoring a Lexicalized Tree-Adjoining Grammar for Discourse
We here explore a ``fully'' lexicalized Tree-Adjoining Grammar for discourse that takes the basic elements of a (monologic) discourse to be not simply clauses, but larger structures that are…
Bonnie Lynn Webber, Aravind K. JoshiJun 24, 1998
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Using WordNet for Building WordNets
This paper summarises a set of methodologies and techniques for the fast construction of multilingual WordNets. The English WordNet is used in this approach as a backbone for Catalan and Spanish…
Xavier Farreres, German Rigau, Horacio RodriguezJun 23, 1998
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Building Accurate Semantic Taxonomies from Monolingual MRDs
This paper presents a method that combines a set of unsupervised algorithms in order to accurately build large taxonomies from any machine-readable dictionary (MRD). Our aim is to profit from…
German Rigau, Horacio Rodriguez, Eneko AgirreJun 23, 1998
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Word Sense Disambiguation using Optimised Combinations of Knowledge Sources
Word sense disambiguation algorithms, with few exceptions, have made use of only one lexical knowledge source. We describe a system which performs unrestricted word sense disambiguation (on all…
Yorick Wilks, Mark StevensonJun 22, 1998
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Can Subcategorisation Probabilities Help a Statistical Parser?
Research into the automatic acquisition of lexical information from corpora is starting to produce large-scale computational lexicons containing data on the relative frequencies of subcategorisation…
John Carroll, Guido Minnen, Ted BriscoeJun 21, 1998
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Bayesian Stratified Sampling to Assess Corpus Utility
This paper describes a method for asking statistical questions about a large text corpus. We exemplify the method by addressing the question, "What percentage of Federal Register documents are…
Judith Hochberg, Clint Scovel, Timothy Thomas et al.Jun 19, 1998
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Towards a single proposal is spelling correction
The study presented here relies on the integrated use of different kinds of knowledge in order to improve first-guess accuracy in non-word context-sensitive correction for general unrestricted texts.…
E. Agirre, K. Gojenola, K. SarasolaJun 15, 1998
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Methods and Tools for Building the Catalan WordNet
In this paper we introduce the methodology used and the basic phases we followed to develop the Catalan WordNet, and shich lexical resources have been employed in its building. This methodology, as…
Laura Benitez, Sergi Cervell, Gerard Escudero et al.Jun 11, 1998
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Unlimited Vocabulary Grapheme to Phoneme Conversion for Korean TTS
This paper describes a grapheme-to-phoneme conversion method using phoneme connectivity and CCV conversion rules. The method consists of mainly four modules including morpheme normalization,…
Byeongchang Kim, WonIl Lee, Geunbae Lee et al.Jun 10, 1998
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An Investigation of Transformation-Based Learning in Discourse
This paper presents results from the first attempt to apply Transformation-Based Learning to a discourse-level Natural Language Processing task. To address two limitations of the standard algorithm,…
Ken Samuel, Sandra Carberry, K. Vijay-ShankerJun 9, 1998
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Dialogue Act Tagging with Transformation-Based Learning
For the task of recognizing dialogue acts, we are applying the Transformation-Based Learning (TBL) machine learning algorithm. To circumvent a sparse data problem, we extract values of well-motivated…
Ken Samuel, Sandra Carberry, K. Vijay-ShankerJun 8, 1998
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Eliminating deceptions and mistaken belief to infer conversational implicature
Conversational implicatures are usually described as being licensed by the disobeying or flouting of some principle by the speaker in cooperative dialogue. However, such work has failed to…
Mark Lee, Yorick WilksJun 5, 1998
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Rationality, Cooperation and Conversational Implicature
Conversational implicatures are usually described as being licensed by the disobeying or flouting of a Principle of Cooperation. However, the specification of this principle has proved…
Mark LeeJun 5, 1998
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