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A Study on Speaker-Adaptive Speech Recognition

Authors: nan

Publication: TIPSTER (1991)

DOI: nan

Speaker-independent system is desirable in many applications where speaker-specific data do not exist. However, if speaker- dependent data are available, the system could be adapted to the specific speaker such …...

7330

Aligning Sentences in Bilingual Corpora Using Lexical Information

Authors: nan

Publication: TIPSTER (1993)

DOI: nan

In this paper, we describe a fast algorithm for aligning sentences with their translations in a bilingual corpus. Existing efficient algorithms ig- nore word identities and only consider sentence length …...

35534

High-Accuracy Large-Vocabulary Speech Recognition Using Mixture Tying and Consistency Modeling

Authors: nan

Publication: TIPSTER (1994)

DOI: nan

Improved acoustic modeling can significantly decrease the error rate in large-vocabulary speech recognition. Our approach to the problem is twofold. We first propose a scheme that optimizes the degree of …...

13166

On Using Written Language Training Data for Spoken Language Modeling

Authors: nan

Publication: TIPSTER (1994)

DOI: nan

We attemped to improve recognition accuracy by reduc- ing the inadequacies of the lexicon and language model. Specifically we address the following three problems: (1) the best size for the …...

13214

Comparing a Linguistic and a Stochastic Tagger

Authors: nan

Publication: TIPSTER (1997)

DOI: nan

Concerning different approaches to auto- matic PoS tagging: EngCG-2, a constraint- based morphological tagger, is compared in a double-blind test with a state-of-the-art statistical tagger on a common disambigua- tion …...

43881

High Performance Segmentation of Spontaneous Speech Using Part of Speech and Trigger Word Information

Authors: nan

Publication: TIPSTER (1997)

DOI: nan

We describe and experimentally evaluate an efficient method for automatically de- termining small clause boundaries in spon- taneous speech. Our method applies an ar- tificial neural network to information about …...

41533

Probabilistic and Rule-Based Tagger of an Inflective Language- a Comparison

Authors: nan

Publication: TIPSTER (1997)

DOI: nan

We present results of probabilistic tag- ging of Czech texts in order to show how these techniques work for one of the highly morphologically ambiguous inflective lan- guages. After description …...

41521

Combining Stochastic and Rule-Based Methods for Disambiguation in Agglutinative Languages

Authors: nan

Publication: TIPSTER (1998)

DOI: nan

In this paper we present the results of the combination of stochastic and rule-based disambiguation methods applied to Basque languagel. The methods we have used in disambiguation are Constraint Grammar …...

6890

Combining Stochastic and Rule-Based Methods for Disambiguation in Agglutinative Languages

Authors: nan

Publication: TIPSTER (1998)

DOI: nan

In this paper we present the results of the combination of stochastic and rule-based disambiguation methods applied to Basque languagel. The methods we have used in disambiguation are Constraint Grammar …...

35160

Semantic-Head Based Resolution of Scopal Ambiguities

Authors: nan

Publication: TIPSTER (1998)

DOI: nan

We introduce an algorithm for scope resolution in underspecified semantic representations. Scope pref- erences are suggested on the basis of semantic argu- ment structure. The major novelty of this approach …...

35108

Automatic Verb Classification Using Distributions of Grammatical Features

Authors: nan

Publication: TIPSTER (1999)

DOI: nan

We apply machine learning techniques to classify automatically a set of verbs into lexical semantic classes, based on distributional approximations of diathe- ses, extracted from a very large anno- tated …...

43880

Determination of Syntactic Functions in Estonian Constraint Grammar

Authors: nan

Publication: TIPSTER (1999)

DOI: nan

This article describes the current state of syntactic analysis of Estonian using Constraint Grammar. Constraint Gram- mar framework divides parsing into two different modules: morphological disam- biguation and determination of …...

43754

Edit Detection and Parsing for Transcribed Speech

Authors: nan

Publication: TIPSTER (2001)

DOI: nan

We present a simple architecture for parsing transcribed speech in which an edited-word de- tector first removes such words from the sen- tence string, and then a standard statistical parser …...

23983

Exploiting Headword Dependency and Predictive Clustering for Language Modeling

Authors: nan

Publication: TIPSTER (2002)

DOI: nan

This paper presents several practical ways of incorporating linguistic structure into language models. A headword detector is first applied to detect the headword of each phrase in a sentence. A …...

43183

Learning Verb Argument Structure from Minimally Annotated Corpora

Authors: nan

Publication: TIPSTER (2002)

DOI: nan

In this paper we investigate the task of automatically identifying the correct argument structure for a set of verbs. The argument structure of a verb allows us to predict the …...

6855

A Stacked, Voted, Stacked Model for Named Entity Recognition

Authors: nan

Publication: TIPSTER (2003)

DOI: nan

This paper investigates stacking and voting methods for combining strong classifiers like boosting, SVM, and TBL, on the named-entity recognition task. We demonstrate several ef- fective approaches, culminating in a …...

41197

Using LSA and Noun Coordination Information to Improve the Recall and Precision of Automatic Hyponymy Extraction

Authors: nan

Publication: TIPSTER (2003)

DOI: nan

In this paper we demonstrate methods of im- proving both the recall and the precision of au- tomatic methods for extraction of hyponymy (IS A) relations from free text. By …...

41213

Symmetric Word Alignments for Statistical Machine Translation

Authors: nan

Publication: TIPSTER (2004)

DOI: nan

In this paper, we address the word alignment problem for statistical machine translation. We aim at creating a sym- metric word alignment allowing for reli- able one-to-many and many-to-one word …...

6101

Unsupervised Semantic Role Labellin

Authors: nan

Publication: TIPSTER (2004)

DOI: nan

We present an unsupervised method for labelling the arguments of verbs with their semantic roles. Our bootstrapping algorithm makes initial unam- biguous role assignments, and then iteratively up- dates the …...

44966

A Phonotactic Language Model for Spoken Language Identification

Authors: nan

Publication: TIPSTER (2005)

DOI: nan

We have established a phonotactic lan- guage model as the solution to spoken language identification (LID). In this framework, we define a single set of acoustic tokens to represent the …...

36572

Alignment Model Adaptation for Domain-Specific Word Alignment

Authors: nan

Publication: TIPSTER (2005)

DOI: nan

This paper proposes an alignment adaptation approach to improve domain-specific (in-domain) word alignment. The basic idea of alignment adaptation is to use out-of-domain corpus to improve in-domain word alignment results. …...

36576

Discriminative Syntactic Language Modeling for Speech Recognition

Authors: nan

Publication: TIPSTER (2005)

DOI: nan

We describe a method for discriminative training of a language model that makes use of syntactic features. We follow a reranking approach, where a baseline recogniser is used to produce …...

36571

Parsing the Penn Chinese Treebank with Semantic Knowledge

Authors: nan

Publication: TIPSTER (2005)

DOI: nan

. We build a class-based selection preference sub-model to in- corporate external semantic knowledge from two Chinese electronic se- mantic dictionaries. This sub-model is combined with modifier-head gen- eration sub-model. …...

7530

Principles of Non-stationary Hidden Markov Model and Its Applications to Sequence Labeling Task

Authors: nan

Publication: TIPSTER (2005)

DOI: nan

. Hidden Markov Model (Hmm) is one of the most popular language models. To improve its predictive power, one of Hmm hypotheses, named limited history hypothesis, is usually relaxed. Then …...

12987

A Comparison of Syntactically Motivated Word Alignment Spaces

Authors: nan

Publication: TIPSTER (2006)

DOI: nan

This work is concerned with the space of alignments searched by word alignment systems. We focus on situations where word re-ordering is limited by syntax. We present two new alignment …...

43806

Discriminative Reranking for Spelling Correction

Authors: nan

Publication: TIPSTER (2006)

DOI: nan

. This paper proposes a novel approach to spelling correction. It reranks the output of an existing spelling corrector, Aspell. A discriminative model (Ranking SVM) is employed to improve upon …...

19542

Determining Case in Arabic: Learning Complex Linguistic Behavior Requires Complex Linguistic Features

Authors: nan

Publication: TIPSTER (2007)

DOI: nan

This paper discusses automatic determina- tion of case in Arabic. This task is a ma- jor source of errors in full diacritization of Arabic. We use a gold-standard syntac- tic …...

44598

Which Words Are Hard to Recognize? Prosodic, Lexical, and Disfluency Factors that Increase ASR Error Rates

Authors: nan

Publication: TIPSTER (2008)

DOI: nan

Many factors are thought to increase the chances of misrecognizing a word in ASR, including low frequency, nearby disfluencies, short duration, and being at the start of a turn. However, …...

36731

Discovery of Term Variation in Japanese Web Search Queries

Authors: nan

Publication: TIPSTER (2009)

DOI: nan

In this paper we address the problem of identi- fying a broad range of term variations in Japa- nese web search queries, where these varia- tions pose a particularly thorny …...

44230

Improved Reconstruction of Protolanguage Word Forms

Authors: nan

Publication: TIPSTER (2009)

DOI: nan

We present an unsupervised approach to re- constructing ancient word forms. The present work addresses three limitations of previous work. First, previous work focused on faith- fulness features, which model …...

24145

Multi-Task Learning in Conditional Random Fields for Chunking in Shallow Semantic Parsing

Authors: nan

Publication: TIPSTER (2009)

DOI: nan

. Alternating Structure Optimization (ASO) is a recently proposed linear Multi- task Learning algorithm. Although its effective has been verified in both semi-supervised as well as supervised methods, yet they …...

19351

Subjectivity Recognition on Word Senses via Semi-supervised Mincuts

Authors: nan

Publication: TIPSTER (2009)

DOI: nan

We supplement WordNet entries with infor- mation on the subjectivity of its word senses. Supervised classifiers that operate on word sense definitions in the same way that text classifiers operate …...

24150

Word- and Sentence-Level Confidence Measures for Machine Translation

Authors: nan

Publication: TIPSTER (2009)

DOI: nan

A machine translated sentence is seldom completely correct. Confidence measures are designed to detect incorrect words, phrases or sentences, or to provide an esti- mation of the probability of correctness. …...

3383

A Probabilistic Morphological Analyzer for Syriac

Authors: nan

Publication: TIPSTER (2010)

DOI: nan

We define a probabilistic morphological ana- lyzer using a data-driven approach for Syriac in order to facilitate the creation of an annotated corpus. Syriac is an under-resourced Semitic language for …...

44494

AUTOLEX: An Automatic Lexicon Builder for Minority Languages Using an Open Corpus

Authors: nan

Publication: TIPSTER (2010)

DOI: nan

: The aim of this study is to build natural language resources for languages with limited resources or minority languages. Manually building these resources is tedious and costly. These natural …...

18995

Not All Seeds Are Equal: Measuring the Quality of Text Mining Seeds

Authors: nan

Publication: TIPSTER (2010)

DOI: nan

Open-class semantic lexicon induction is of great interest for current knowledge harvest- ing algorithms. We propose a general frame- work that uses patterns in bootstrapping fash- ion to learn open-class …...

23785

Ways of Evaluation of the Annotators in Building the Prague Czech-English Dependency Treebank

Authors: nan

Publication: TIPSTER (2010)

DOI: nan

AbstractIn this paper, we present several ways to measure and evaluate the annotation and annotators, proposed and used during the building of the Czech part of the Prague Czech-English Dependency …...

8144

The Effect of Automatic Tokenization, Vocalization, Stemming, and POS Tagging on Arabic Dependency Parsing

Authors: nan

Publication: TIPSTER (2011)

DOI: nan

We use an automatic pipeline of word tokenization, stemming, POS tagging, and vocalization to perform real-world Arabic dependency parsing. In spite of the high accuracy on the modules, the very …...

42295

Large Scale Lexical Analysis

Authors: nan

Publication: TIPSTER (2012)

DOI: nan

AbstractThe following paper presents a lexical analysis component as implemented in the PANACEA project. The goal is to automatically extract lexicon entries from crawled corpora, in an attempt to use …...

13755

TACRED Revisited: A Thorough Evaluation of the TACRED Relation Extraction Task

Authors: nan

Publication: TIPSTER (2020)

DOI: nan

AbstractTACRED is one of the largest, most widely used crowdsourced datasets in Relation Extraction (RE). But, even with recent advances in unsupervised pre-training and knowledge enhanced neural RE, models still …...

38168

Text Segmentation by Cross Segment Attention

Authors: nan

Publication: TIPSTER (2020)

DOI: nan

AbstractDocument and discourse segmentation are two fundamental NLP tasks pertaining to breaking up text into constituents, which are commonly used to help downstream tasks such as information retrieval or text …...

30321

2020福爾摩沙臺語語音辨識比賽之初步實驗 (A Preliminary Study of Formosa Speech Recognition Challenge 2020 – Taiwanese ASR)

Authors: nan

Publication: TIPSTER (2021)

DOI: nan

In order to study the effectiveness of the current deep learning-based speech recognition models in the speech recognition tasks of Taiwanese Southern Min Recommended Characters and Taiwan Minnanyu Luomazi Pinyin, …...

7436

A Relation-Oriented Clustering Method for Open Relation Extraction

Authors: nan

Publication: TIPSTER (2021)

DOI: nan

AbstractThe clustering-based unsupervised relation discovery method has gradually become one of the important methods of open relation extraction (OpenRE). However, high-dimensional vectors can encode complex linguistic information which leads to …...

30826

Handwritten Paleographic Greek Text Recognition: A Century-Based Approach

Authors: nan

Publication: TIPSTER (2022)

DOI: nan

AbstractToday classicists are provided with a great number of digital tools which, in turn, offer possibilities for further study and new research goals. In this paper we explore the idea …...

14356

Mandarin-English Code-Switching Speech Recognition System for Specific Domain

Authors: nan

Publication: TIPSTER (2022)

DOI: nan

AbstractThis paper will introduce the use of Automatic Speech Recognition (ASR) technology to process speech content with specific domain. We will use the Conformer end-to-end model as the system architecture, …...

1010

Measuring Robustness for NLP

Authors: nan

Publication: TIPSTER (2022)

DOI: nan

AbstractThe quality of Natural Language Processing (NLP) models is typically measured by the accuracy or error rate of a predefined test set. Because the evaluation and optimization of these measures …...

4874

Pre-training and Evaluating Transformer-based Language Models for Icelandic

Authors: nan

Publication: TIPSTER (2022)

DOI: nan

AbstractIn this paper, we evaluate several Transformer-based language models for Icelandic on four downstream tasks: Part-of-Speech tagging, Named Entity Recognition. Dependency Parsing, and Automatic Text Summarization. We pre-train four types …...

14174

Self-supervised Semantic-driven Phoneme Discovery for Zero-resource Speech Recognition

Authors: nan

Publication: TIPSTER (2022)

DOI: nan

AbstractPhonemes are defined by their relationship to words: changing a phoneme changes the word. Learning a phoneme inventory with little supervision has been a longstanding challenge with important applications to …...

37138