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Classification is an essential and fundamental task in machine learning, playing a cardinal role in the field of natural language processing (NLP) and computer vision (CV). In a supervised learning setting, labels are always needed for the…

Computation and Language · Computer Science 2021-02-04 Irene Li

State-of-the-art studies have demonstrated the superiority of joint modelling over pipeline implementation for medical named entity recognition and normalization due to the mutual benefits between the two processes. To exploit these…

Computation and Language · Computer Science 2018-12-17 Sendong Zhao , Ting Liu , Sicheng Zhao , Fei Wang

Domain shift is a well known problem where a model trained on a particular domain (source) does not perform well when exposed to samples from a different domain (target). Unsupervised methods that can adapt to domain shift are highly…

Computer Vision and Pattern Recognition · Computer Science 2021-08-04 Botos Csaba , Xiaojuan Qi , Arslan Chaudhry , Puneet Dokania , Philip Torr

Named entity recognition (NER) is an important task in NLP, which is all the more challenging in conversational domain with their noisy facets. Moreover, conversational texts are often available in limited amount, making supervised tasks…

Computation and Language · Computer Science 2019-02-22 Rezka Leonandya , Fariz Ikhwantri

In this work, we study the problem of named entity recognition (NER) in a low resource scenario, focusing on few-shot and zero-shot settings. Built upon large-scale pre-trained language models, we propose a novel NER framework, namely…

Computation and Language · Computer Science 2021-09-14 Yaqing Wang , Haoda Chu , Chao Zhang , Jing Gao

As the application of deep learning has expanded to real-world problems with insufficient volume of training data, transfer learning recently has gained much attention as means of improving the performance in such small-data regime.…

Machine Learning · Computer Science 2019-05-16 Yunhun Jang , Hankook Lee , Sung Ju Hwang , Jinwoo Shin

Few-shot named entity recognition (NER) has shown remarkable progress in identifying entities in low-resource domains. However, few-shot NER methods still struggle with out-of-domain (OOD) examples due to their reliance on manual labeling…

Information Retrieval · Computer Science 2023-10-17 Zihan Wang , Ziqi Zhao , Zhumin Chen , Pengjie Ren , Maarten de Rijke , Zhaochun Ren

While typical named entity recognition (NER) models require the training set to be annotated with all target types, each available datasets may only cover a part of them. Instead of relying on fully-typed NER datasets, many efforts have…

Machine Learning · Computer Science 2020-05-04 Shi Zhi , Liyuan Liu , Yu Zhang , Shiyin Wang , Qi Li , Chao Zhang , Jiawei Han

Recently, neural methods have achieved state-of-the-art (SOTA) results in Named Entity Recognition (NER) tasks for many languages without the need for manually crafted features. However, these models still require manually annotated…

Computation and Language · Computer Science 2019-11-25 M Saiful Bari , Shafiq Joty , Prathyusha Jwalapuram

Deep neural networks produce state-of-the-art results when trained on a large number of labeled examples but tend to overfit when small amounts of labeled examples are used for training. Creating a large number of labeled examples requires…

Computer Vision and Pattern Recognition · Computer Science 2021-09-13 Attaullah Sahito , Eibe Frank , Bernhard Pfahringer

Reading comprehension is a challenging task in natural language processing and requires a set of skills to be solved. While current approaches focus on solving the task as a whole, in this paper, we propose to use a neural network `skill'…

Computation and Language · Computer Science 2017-11-13 Todor Mihaylov , Zornitsa Kozareva , Anette Frank

We present a novel approach for recognizing what we call targetable named entities; that is, named entities in a targeted set (e.g, movies, books, TV shows). Unlike many other NER systems that need to retrain their statistical models as new…

Computation and Language · Computer Science 2014-08-05 Sandeep Ashwini , Jinho D. Choi

When combined with In-Context Learning, a technique that enables models to adapt to new tasks by incorporating task-specific examples or demonstrations directly within the input prompt, autoregressive language models have achieved good…

Computation and Language · Computer Science 2024-10-18 Enzo Shiraishi , Raphael Y. de Camargo , Henrique L. P. Silva , Ronaldo C. Prati

Named entity disambiguation (NED), which involves mapping textual mentions to structured entities, is particularly challenging in the medical domain due to the presence of rare entities. Existing approaches are limited by the presence of…

Computation and Language · Computer Science 2021-10-18 Maya Varma , Laurel Orr , Sen Wu , Megan Leszczynski , Xiao Ling , Christopher Ré

Named entity recognition (NER) is a vital task in spoken language understanding, which aims to identify mentions of named entities in text e.g., from transcribed speech. Existing neural models for NER rely mostly on dedicated word-level…

Computation and Language · Computer Science 2019-09-24 Abdalghani Abujabal , Judith Gaspers

The well known domain shift issue causes model performance to degrade when deployed to a new target domain with different statistics to training. Domain adaptation techniques alleviate this, but need some instances from the target domain to…

Machine Learning · Computer Science 2019-06-11 Yiying Li , Yongxin Yang , Wei Zhou , Timothy M. Hospedales

Data collection and annotation are time-consuming in machine learning, expecially for large scale problem. A common approach for this problem is to transfer knowledge from a related labeled domain to a target one. There are two popular ways…

Machine Learning · Computer Science 2020-07-09 Jiawei Wang , Zhaoshui He , Chengjian Feng , Zhouping Zhu , Qinzhuang Lin , Jun Lv , Shengli Xie

Supervised machine learning assumes the availability of fully-labeled data, but in many cases, such as low-resource languages, the only data available is partially annotated. We study the problem of Named Entity Recognition (NER) with…

Computation and Language · Computer Science 2019-09-23 Stephen Mayhew , Snigdha Chaturvedi , Chen-Tse Tsai , Dan Roth

We present a simple few-shot named entity recognition (NER) system based on nearest neighbor learning and structured inference. Our system uses a supervised NER model trained on the source domain, as a feature extractor. Across several test…

Computation and Language · Computer Science 2020-10-07 Yi Yang , Arzoo Katiyar

The lack of large-scale real datasets with annotations makes transfer learning a necessity for video activity understanding. We aim to develop an effective method for few-shot transfer learning for first-person action classification. We…

Computer Vision and Pattern Recognition · Computer Science 2021-12-09 Huseyin Coskun , Zeeshan Zia , Bugra Tekin , Federica Bogo , Nassir Navab , Federico Tombari , Harpreet Sawhney