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This paper describes the conversion of a Hidden Markov Model into a sequential transducer that closely approximates the behavior of the stochastic model. This transformation is especially advantageous for part-of-speech tagging because the…

cmp-lg · Computer Science 2008-02-03 Andre Kempe

Part of speech (POS) tagging is a familiar NLP task. State of the art taggers routinely achieve token-level accuracies of over 97% on news body text, evidence that the problem is well understood. However, the register of English news…

Computation and Language · Computer Science 2021-09-17 Adrian Benton , Hanyang Li , Igor Malioutov

Syntactic annotation of corpora in the form of part-of-speech (POS) tags is a key requirement for both linguistic research and subsequent automated natural language processing (NLP) tasks. This problem is commonly tackled using machine…

Computation and Language · Computer Science 2024-10-30 Stefan Heid , Marcel Wever , Eyke Hüllermeier

Syntax is fundamental to our thinking about language. Failing to capture the structure of input language could lead to generalization problems and over-parametrization. In the present work, we propose a new syntax-aware language model:…

Computation and Language · Computer Science 2021-05-12 Yikang Shen , Shawn Tan , Alessandro Sordoni , Siva Reddy , Aaron Courville

We propose a technique for learning representations of parser states in transition-based dependency parsers. Our primary innovation is a new control structure for sequence-to-sequence neural networks---the stack LSTM. Like the conventional…

Computation and Language · Computer Science 2015-06-01 Chris Dyer , Miguel Ballesteros , Wang Ling , Austin Matthews , Noah A. Smith

Transformer architectures are the backbone of most modern language models, but understanding the inner workings of these models still largely remains an open problem. One way that research in the past has tackled this problem is by…

Computation and Language · Computer Science 2025-02-04 Utkarsh Tiwari , Aviral Gupta , Michael Hahn

There have been many proposals to reduce constituency parsing to tagging in the literature. To better understand what these approaches have in common, we cast several existing proposals into a unifying pipeline consisting of three steps:…

Computation and Language · Computer Science 2022-11-22 Afra Amini , Ryan Cotterell

We provide a comprehensive analysis of the interactions between pre-trained word embeddings, character models and POS tags in a transition-based dependency parser. While previous studies have shown POS information to be less important in…

Computation and Language · Computer Science 2018-08-29 Aaron Smith , Miryam de Lhoneux , Sara Stymne , Joakim Nivre

With the resurgent interest in building open-domain dialogue systems, the dialogue generation task has attracted increasing attention over the past few years. This task is usually formulated as a conditional generation problem, which aims…

Computation and Language · Computer Science 2024-10-29 Haoyu Song , Wei-Nan Zhang , Kaiyan Zhang , Ting Liu

POS Tagging serves as a preliminary task for many NLP applications. Kannada is a relatively poor Indian language with very limited number of quality NLP tools available for use. An accurate and reliable POS Tagger is essential for many NLP…

Computation and Language · Computer Science 2018-08-10 Ketan Kumar Todi , Pruthwik Mishra , Dipti Misra Sharma

We introduce an adaptive scheduling for adaptive sampling as a novel way of machine learning in the construction of part-of-speech taggers. The goal is to speed up the training on large data sets, without significant loss of performance…

Computation and Language · Computer Science 2024-02-06 Manuel Vilares Ferro , Victor M. Darriba Bilbao , Jesús Vilares Ferro

Both statistical and rule-based approaches to part-of-speech (POS) disambiguation have their own advantages and limitations. Especially for Korean, the narrow windows provided by hidden markov model (HMM) cannot cover the necessary lexical…

cmp-lg · Computer Science 2008-02-03 Geunbae Lee , Jong-Hyeok Lee , Sanghyun Shin

Character-level models have been used extensively in recent years in NLP tasks as both supplements and replacements for closed-vocabulary token-level word representations. In one popular architecture, character-level LSTMs are used to feed…

Computation and Language · Computer Science 2019-03-13 Yuval Pinter , Marc Marone , Jacob Eisenstein

Most work on part-of-speech (POS) tagging is focused on high resource languages, or examines low-resource and active learning settings through simulated studies. We evaluate POS tagging techniques on an actual endangered language, Griko. We…

Computation and Language · Computer Science 2018-06-12 Antonis Anastasopoulos , Marika Lekakou , Josep Quer , Eleni Zimianiti , Justin DeBenedetto , David Chiang

Part-of-speech (POS) tagging is considered as one of the basic but necessary tools which are required for many Natural Language Processing (NLP) applications such as word sense disambiguation, information retrieval, information processing,…

Computation and Language · Computer Science 2020-01-13 Ibrahim Gashaw , H L. Shashirekha

This paper addresses the problem of improving POS tagging of transcripts of speech from clinical populations. In contrast to prior work on parsing and POS tagging of transcribed speech, we do not make use of an in domain treebank for…

Computation and Language · Computer Science 2023-07-13 Seth Kulick , Neville Ryant , David J. Irwin , Naomi Nevler , Sunghye Cho

In this paper we propose and carefully evaluate a sequence labeling framework which solely utilizes sparse indicator features derived from dense distributed word representations. The proposed model obtains (near) state-of-the art…

Computation and Language · Computer Science 2016-12-22 Gábor Berend

The current state-of-the-art in many natural language processing and automated knowledge base completion tasks is held by representation learning methods which learn distributed vector representations of symbols via gradient-based…

Neural and Evolutionary Computing · Computer Science 2017-12-29 Tim Rocktäschel

Both syntactic and semantic structures are key linguistic contextual clues, in which parsing the latter has been well shown beneficial from parsing the former. However, few works ever made an attempt to let semantic parsing help syntactic…

Computation and Language · Computer Science 2020-10-08 Junru Zhou , Zuchao Li , Hai Zhao

We introduce a linguistically enhanced combination of pre-training methods for transformers. The pre-training objectives include POS-tagging, synset prediction based on semantic knowledge graphs, and parent prediction based on dependency…

Computation and Language · Computer Science 2023-01-02 Maren Pielka , Svetlana Schmidt , Lisa Pucknat , Rafet Sifa