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Deep Neural Networks (DNNs) are powerful models that have achieved excellent performance on difficult learning tasks. Although DNNs work well whenever large labeled training sets are available, they cannot be used to map sequences to…

Computation and Language · Computer Science 2014-12-16 Ilya Sutskever , Oriol Vinyals , Quoc V. Le

Recent works on deep conditional random fields (CRF) have set new records on many vision tasks involving structured predictions. Here we propose a fully-connected deep continuous CRF model for both discrete and continuous labelling…

Computer Vision and Pattern Recognition · Computer Science 2017-04-26 Fayao Liu , Guosheng Lin , Chunhua Shen

Conditional random fields (CRFs) are usually specified by graphical models but in this paper we propose to use probabilistic logic programs and specify them generatively. Our intension is first to provide a unified approach to CRFs for…

Machine Learning · Computer Science 2014-10-16 Taisuke Sato , Keiichi Kubota , Yoshitaka Kameya

In this paper, we formulate keyphrase extraction from scholarly articles as a sequence labeling task solved using a BiLSTM-CRF, where the words in the input text are represented using deep contextualized embeddings. We evaluate the proposed…

Clinical Named Entity Recognition (CNER) aims to identify and classify clinical terms such as diseases, symptoms, treatments, exams, and body parts in electronic health records, which is a fundamental and crucial task for clinical and…

Computation and Language · Computer Science 2018-11-28 Jiahui Qiu , Qi Wang , Yangming Zhou , Tong Ruan , Ju Gao

Matching pedestrians across multiple camera views known as human re-identification (re-identification) is a challenging problem in visual surveillance. In the existing works concentrating on feature extraction, representations are formed…

Computer Vision and Pattern Recognition · Computer Science 2016-07-29 Rahul Rama Varior , Bing Shuai , Jiwen Lu , Dong Xu , Gang Wang

A sentence is typically treated as the minimal syntactic unit used for extracting valuable information from a longer piece of text. However, in written Thai, there are no explicit sentence markers. We proposed a deep learning model for the…

Computation and Language · Computer Science 2019-08-27 Chanatip Saetia , Ekapol Chuangsuwanich , Tawunrat Chalothorn , Peerapon Vateekul

Language models (LM) play an important role in large vocabulary continuous speech recognition (LVCSR). However, traditional language models only predict next single word with given history, while the consecutive predictions on a sequence of…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-06 Qi Liu , Yanmin Qian , Kai Yu

Pixel-level labelling tasks, such as semantic segmentation, play a central role in image understanding. Recent approaches have attempted to harness the capabilities of deep learning techniques for image recognition to tackle pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2016-04-15 Shuai Zheng , Sadeep Jayasumana , Bernardino Romera-Paredes , Vibhav Vineet , Zhizhong Su , Dalong Du , Chang Huang , Philip H. S. Torr

Neural language models (LMs) are typically trained using only lexical features, such as surface forms of words. In this paper, we argue this deprives the LM of crucial syntactic signals that can be detected at high confidence using existing…

Computation and Language · Computer Science 2018-03-13 Duncan Blythe , Alan Akbik , Roland Vollgraf

We consider higher-order linear-chain conditional random fields (HO-LC-CRFs) for sequence modelling, and use sum-product networks (SPNs) for representing higher-order input- and output-dependent factors. SPNs are a recently introduced class…

Machine Learning · Computer Science 2018-07-09 Martin Ratajczak , Sebastian Tschiatschek , Franz Pernkopf

Prosody affects the naturalness and intelligibility of speech. However, automatic prosody prediction from text for Chinese speech synthesis is still a great challenge and the traditional conditional random fields (CRF) based method always…

Computation and Language · Computer Science 2015-11-03 Chuang Ding , Lei Xie , Jie Yan , Weini Zhang , Yang Liu

Low-resource named entity recognition is still an open problem in NLP. Most state-of-the-art systems require tens of thousands of annotated sentences in order to obtain high performance. However, for most of the world's languages, it is…

Computation and Language · Computer Science 2024-04-16 Ryan Cotterell , Kevin Duh

The practice of fine-tuning Pre-trained Language Models (PLMs) from general or domain-specific data to a specific task with limited resources, has gained popularity within the field of natural language processing (NLP). In this work, we…

Computation and Language · Computer Science 2023-10-31 Samuel Belkadi , Lifeng Han , Yuping Wu , Goran Nenadic

As Large Language Models (LLMs) can now process extremely long contexts, efficient inference over these extended inputs has become increasingly important, especially for emerging applications like LLM agents that highly depend on this…

Computation and Language · Computer Science 2026-04-09 Penghui Yang , Cunxiao Du , Fengzhuo Zhang , Haonan Wang , Tianyu Pang , Chao Du , Bo An

There are two major approaches for sequence labeling. One is the probabilistic gradient-based methods such as conditional random fields (CRF) and neural networks (e.g., RNN), which have high accuracy but drawbacks: slow training, and no…

Machine Learning · Computer Science 2018-11-20 Xu Sun , Shuming Ma , Yi Zhang , Xuancheng Ren

We propose a neuralized undirected graphical model called Neural-Hidden-CRF to solve the weakly-supervised sequence labeling problem. Under the umbrella of probabilistic undirected graph theory, the proposed Neural-Hidden-CRF embedded with…

Computation and Language · Computer Science 2023-10-02 Zhijun Chen , Hailong Sun , Wanhao Zhang , Chunyi Xu , Qianren Mao , Pengpeng Chen

Code-switching (CS), which is when Vietnamese speech uses English words like drug names or procedures, is a common phenomenon in Vietnamese medical communication. This creates challenges for Automatic Speech Recognition (ASR) systems,…

Computation and Language · Computer Science 2026-02-16 Tung X. Nguyen , Nhu Vo , Giang-Son Nguyen , Duy Mai Hoang , Chien Dinh Huynh , Inigo Jauregi Unanue , Massimo Piccardi , Wray Buntine , Dung D. Le

The success of long short-term memory (LSTM) neural networks in language processing is typically attributed to their ability to capture long-distance statistical regularities. Linguistic regularities are often sensitive to syntactic…

Computation and Language · Computer Science 2016-11-07 Tal Linzen , Emmanuel Dupoux , Yoav Goldberg

The task of automatic language identification (LID) involving multiple dialects of the same language family in the presence of noise is a challenging problem. In these scenarios, the identity of the language/dialect may be reliably present…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-06 Bharat Padi , Anand Mohan , Sriram Ganapathy