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Tokenization is a fundamental step in natural language processing, breaking text into units that computational models can process. While learned subword tokenizers have become the de-facto standard, they present challenges such as large…

计算与语言 · 计算机科学 2025-01-22 Pit Neitemeier , Björn Deiseroth , Constantin Eichenberg , Lukas Balles

In recent years, protein-text models have gained significant attention for their potential in protein generation and understanding. Current approaches focus on integrating protein-related knowledge into large language models through…

计算与语言 · 计算机科学 2025-11-11 Juntong Wu , Zijing Liu , He Cao , Hao Li , Bin Feng , Zishan Shu , Ke Yu , Li Yuan , Yu Li

Sequence-to-sequence models with an implicit alignment mechanism (e.g. attention) are closing the performance gap towards traditional hybrid hidden Markov models (HMM) for the task of automatic speech recognition. One important factor to…

音频与语音处理 · 电气工程与系统科学 2020-05-21 Wilfried Michel , Ralf Schlüter , Hermann Ney

While transformer-based models achieve strong performance on text classification, we explore whether masking input tokens can further enhance their effectiveness. We propose token masking regularization, a simple yet theoretically motivated…

计算与语言 · 计算机科学 2025-05-20 Xianglong Xu , John Bowen , Rojin Taheri

Text error correction aims to correct the errors in text sequences such as those typed by humans or generated by speech recognition models. Previous error correction methods usually take the source (incorrect) sentence as encoder input and…

计算与语言 · 计算机科学 2022-11-28 Kai Shen , Yichong Leng , Xu Tan , Siliang Tang , Yuan Zhang , Wenjie Liu , Edward Lin

A technique for detecting errors made by Hidden Markov Model taggers is described, based on comparing observable values of the tagging process with a threshold. The resulting approach allows the accuracy of the tagger to be improved by…

cmp-lg · 计算机科学 2008-02-03 David Elworthy

Pre-trained language model (PTM) has been shown to yield powerful text representations for dense passage retrieval task. The Masked Language Modeling (MLM) is a major sub-task of the pre-training process. However, we found that the…

计算与语言 · 计算机科学 2022-10-28 Dingkun Long , Yanzhao Zhang , Guangwei Xu , Pengjun Xie

Speech tokenizers are essential for connecting speech to large language models (LLMs) in multimodal systems. These tokenizers are expected to preserve both semantic and acoustic information for downstream understanding and generation.…

音频与语音处理 · 电气工程与系统科学 2026-03-12 Xuan Shi , Chang Zeng , Tiantian Feng , Shih-Heng Wang , Jianbo Ma , Shrikanth Narayanan

Recent advances in large language models (LLMs) have revolutionized natural language processing, yet evaluating their intrinsic linguistic understanding remains challenging. Moving beyond specialized evaluation tasks, we propose an…

计算与语言 · 计算机科学 2025-06-02 Shaojie Wang , Sirui Ding , Na Zou

Speech-language models (SLMs) offer a promising path toward unifying speech and text understanding and generation. However, challenges remain in achieving effective cross-modal alignment and high-quality speech generation. In this work, we…

Machine-generated texts (MGTs) pose risks such as disinformation and phishing, underscoring the need for reliable detection. Metric-based methods, which extract statistically distinguishable features of MGTs, are often more practical than…

计算与语言 · 计算机科学 2026-05-18 Chenwang Wu , Yiuming Cheung , Bo Han , Shuhai Zhang , Defu Lian

Natural Language Processing (NLP) models are used for text-related tasks such as classification and generation. To complete these tasks, input data is first tokenized from human-readable text into a format the model can understand, enabling…

机器学习 · 计算机科学 2025-06-10 Kasimir Schulz , Kenneth Yeung , Kieran Evans

Many of the current state-of-the-art Large Vocabulary Continuous Speech Recognition Systems (LVCSR) are hybrids of neural networks and Hidden Markov Models (HMMs). Most of these systems contain separate components that deal with the…

计算与语言 · 计算机科学 2016-03-16 Dzmitry Bahdanau , Jan Chorowski , Dmitriy Serdyuk , Philemon Brakel , Yoshua Bengio

The success of large-scale language models has established tokens as compact and meaningful units for natural-language representation, which motivates token communication over wireless channels, where tokens are considered fundamental units…

信号处理 · 电气工程与系统科学 2026-01-27 Junyong Shin , Joohyuk Park , Jihong Park , Jinho Choi , Yo-Seb Jeon

We replace the Hidden Markov Model (HMM) which is traditionally used in in continuous speech recognition with a bi-directional recurrent neural network encoder coupled to a recurrent neural network decoder that directly emits a stream of…

神经与进化计算 · 计算机科学 2014-12-05 Jan Chorowski , Dzmitry Bahdanau , Kyunghyun Cho , Yoshua Bengio

This paper presents an "elitist approach" for extracting automatically well-realized speech sounds with high confidence. The elitist approach uses a speech recognition system based on Hidden Markov Models (HMM). The HMM are trained on…

计算与语言 · 计算机科学 2007-05-23 Jean-Baptiste Maj , Anne Bonneau , Dominique Fohr , Yves Laprie

Recognizing handwritten mathematical expressions (HMER) is a challenging task due to the inherent two-dimensional structure, varying symbol scales, and complex spatial relationships among symbols. In this paper, we present a self-supervised…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Shree Mitra , Ritabrata Chakraborty , Nilkanta Sahu

Model adaptation is crucial to handle the discrepancy between proxy training data and actual users data received. To effectively perform adaptation, textual data of users is typically stored on servers or their local devices, where…

计算与语言 · 计算机科学 2023-12-15 Arpita Vats , Zhe Liu , Peng Su , Debjyoti Paul , Yingyi Ma , Yutong Pang , Zeeshan Ahmed , Ozlem Kalinli

Memory retention challenges in deep neural architectures have ongoing limitations in the ability to process and recall extended contextual information. Token dependencies degrade as sequence length increases, leading to a decline in…

计算与语言 · 计算机科学 2025-03-26 Frederick Dillon , Gregor Halvorsen , Simon Tattershall , Magnus Rowntree , Gareth Vanderpool

Automatic Speech Recognition (ASR) has witnessed a profound research interest. Recent breakthroughs have given ASR systems different prospects such as faithfully transcribing spoken language, which is a pivotal advancement in building…

计算与语言 · 计算机科学 2024-03-05 Ankitha Sudarshan , Vinay Samuel , Parth Patwa , Ibtihel Amara , Aman Chadha