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Acoustics-to-word models are end-to-end speech recognizers that use words as targets without relying on pronunciation dictionaries or graphemes. These models are notoriously difficult to train due to the lack of linguistic knowledge. It is…

音频与语音处理 · 电气工程与系统科学 2018-11-14 Hao Tang , James Glass

This dissertation presents several new methods of supervised and unsupervised learning of word sense disambiguation models. The supervised methods focus on performing model searches through a space of probabilistic models, and the…

计算与语言 · 计算机科学 2009-09-29 Ted Pedersen

Language models have demonstrated remarkable capabilities in reasoning tasks through test-time scaling techniques like best-of-N sampling and tree search. However, these approaches often demand substantial computational resources, creating…

AM dependency parsing is a method for neural semantic graph parsing that exploits the principle of compositionality. While AM dependency parsers have been shown to be fast and accurate across several graphbanks, they require explicit…

计算与语言 · 计算机科学 2021-06-09 Jonas Groschwitz , Meaghan Fowlie , Alexander Koller

Chinese input recommendation plays an important role in alleviating human cost in typing Chinese words, especially in the scenario of mobile applications. The fundamental problem is to predict the conditional probability of the next word…

计算与语言 · 计算机科学 2019-07-12 Hainan Zhang , Yanyan Lan , Jiafeng Guo , Jun Xu , Xueqi Cheng

We study a formalization of the grammar induction problem that models sentences as being generated by a compound probabilistic context-free grammar. In contrast to traditional formulations which learn a single stochastic grammar, our…

计算与语言 · 计算机科学 2020-03-31 Yoon Kim , Chris Dyer , Alexander M. Rush

A novel approach to the fully automated, unsupervised extraction of dependency grammars and associated syntax-to-semantic-relationship mappings from large text corpora is described. The suggested approach builds on the authors' prior work…

计算与语言 · 计算机科学 2014-01-16 Linas Vepstas , Ben Goertzel

Associative memory models are content-addressable memory systems fundamental to biological intelligence and are notable for their high interpretability. However, existing models evaluate the quality of retrieval based on proximity, which…

机器学习 · 计算机科学 2025-11-26 Shurong Wang , Yuqi Pan , Zhuoyang Shen , Meng Zhang , Hongwei Wang , Guoqi Li

Dependency parsing research, which has made significant gains in recent years, typically focuses on improving the accuracy of single-tree predictions. However, ambiguity is inherent to natural language syntax, and communicating such…

计算与语言 · 计算机科学 2018-04-18 Katherine A. Keith , Su Lin Blodgett , Brendan O'Connor

The dependency tree of a natural language sentence can capture the interactions between semantics and words. However, it is unclear whether those methods which exploit such dependency information for semantic parsing can be combined to…

计算与语言 · 计算机科学 2021-12-28 Defeng Xie , Jianmin Ji , Jiafei Xu , Ran Ji

We show that a recently proposed neural dependency parser can be improved by joint training on multiple languages from the same family. The parser is implemented as a deep neural network whose only input is orthographic representations of…

计算与语言 · 计算机科学 2017-05-30 Michał Zapotoczny , Paweł Rychlikowski , Jan Chorowski

Word embedding methods revolve around learning continuous distributed vector representations of words with neural networks, which can capture semantic and/or syntactic cues, and in turn be used to induce similarity measures among words,…

计算与语言 · 计算机科学 2016-07-25 Kuan-Yu Chen , Shih-Hung Liu , Berlin Chen , Hsin-Min Wang , Hsin-Hsi Chen

In this work, we propose a new language modeling paradigm that has the ability to perform both prediction and moderation of information flow at multiple granularities: neural lattice language models. These models construct a lattice of…

计算与语言 · 计算机科学 2018-03-15 Jacob Buckman , Graham Neubig

We address the text-to-text generation problem of sentence-level paraphrasing -- a phenomenon distinct from and more difficult than word- or phrase-level paraphrasing. Our approach applies multiple-sequence alignment to sentences gathered…

计算与语言 · 计算机科学 2007-05-23 Regina Barzilay , Lillian Lee

Sampling is a common strategy for generating text from probabilistic models, yet standard ancestral sampling often results in text that is incoherent or ungrammatical. To alleviate this issue, various modifications to a model's sampling…

计算与语言 · 计算机科学 2024-01-08 Clara Meister , Tiago Pimentel , Luca Malagutti , Ethan G. Wilcox , Ryan Cotterell

We propose a new contextual-compositional neural network layer that handles out-of-vocabulary (OOV) words in natural language processing (NLP) tagging tasks. This layer consists of a model that attends to both the character sequence and the…

机器学习 · 计算机科学 2019-12-17 Nicolas Garneau , Jean-Samuel Leboeuf , Yuval Pinter , Luc Lamontagne

Standard sequential generation methods assume a pre-specified generation order, such as text generation methods which generate words from left to right. In this work, we propose a framework for training models of text generation that…

计算与语言 · 计算机科学 2019-10-25 Sean Welleck , Kianté Brantley , Hal Daumé , Kyunghyun Cho

Generating paraphrases that are lexically similar but semantically different is a challenging task. Paraphrases of this form can be used to augment data sets for various NLP tasks such as machine reading comprehension and question answering…

机器学习 · 计算机科学 2019-11-28 Siamak Shakeri , Abhinav Sethy

We describe a framework for inducing probabilistic grammars from corpora of positive samples. First, samples are {\em incorporated} by adding ad-hoc rules to a working grammar; subsequently, elements of the model (such as states or…

cmp-lg · 计算机科学 2022-02-28 Andreas Stolcke , Stephen M. Omohundro

We introduce a novel architecture for dependency parsing: \emph{stack-pointer networks} (\textbf{\textsc{StackPtr}}). Combining pointer networks~\citep{vinyals2015pointer} with an internal stack, the proposed model first reads and encodes…

计算与语言 · 计算机科学 2018-05-04 Xuezhe Ma , Zecong Hu , Jingzhou Liu , Nanyun Peng , Graham Neubig , Eduard Hovy