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Lack of training data in low-resource languages presents huge challenges to sequence labeling tasks such as named entity recognition (NER) and machine reading comprehension (MRC). One major obstacle is the errors on the boundary of…

计算与语言 · 计算机科学 2020-11-12 Shining Liang , Linjun Shou , Jian Pei , Ming Gong , Wanli Zuo , Daxin Jiang

We present a simple and accurate span-based model for semantic role labeling (SRL). Our model directly takes into account all possible argument spans and scores them for each label. At decoding time, we greedily select higher scoring…

计算与语言 · 计算机科学 2018-10-05 Hiroki Ouchi , Hiroyuki Shindo , Yuji Matsumoto

In the third shared task of the Computational Approaches to Linguistic Code-Switching (CALCS) workshop, we focus on Named Entity Recognition (NER) on code-switched social-media data. We divide the shared task into two competitions based on…

计算与语言 · 计算机科学 2019-06-11 Gustavo Aguilar , Fahad AlGhamdi , Victor Soto , Mona Diab , Julia Hirschberg , Thamar Solorio

We analyze various methods for single-label and multi-label text classification across well-known datasets, categorizing them into bag-of-words, sequence-based, graph-based, and hierarchical approaches. Despite the surge in methods like…

计算与语言 · 计算机科学 2025-01-22 Lukas Galke , Ansgar Scherp , Andor Diera , Fabian Karl , Bao Xin Lin , Bhakti Khera , Tim Meuser , Tushar Singhal

Named Entity Recognition (NER) aims at locating and classifying named entities in text. In some use cases of NER, including cases where detected named entities are used in creating content recommendations, it is crucial to have a reliable…

神经与进化计算 · 计算机科学 2017-12-07 Mahdi Namazifar

Legal multi-label classification is a critical task for organizing and accessing the vast amount of legal documentation. Despite its importance, it faces challenges such as the complexity of legal language, intricate label dependencies, and…

计算与语言 · 计算机科学 2025-04-15 Emily Johnson , Xavier Holt , Noah Wilson

While LLMs have shown great success in understanding and generating text in traditional conversational settings, their potential for performing ill-defined complex tasks is largely under-studied. Indeed, we are yet to conduct comprehensive…

人工智能 · 计算机科学 2023-10-26 Shubhra Kanti Karmaker Santu , Dongji Feng

The information bottleneck (IB) principle has been proven effective in various NLP applications. The existing work, however, only used either generative or information compression models to improve the performance of the target task. In…

计算与语言 · 计算机科学 2023-02-13 Nhung T. H. Nguyen , Makoto Miwa , Sophia Ananiadou

Images or videos always contain multiple objects or actions. Multi-label recognition has been witnessed to achieve pretty performance attribute to the rapid development of deep learning technologies. Recently, graph convolution network…

计算机视觉与模式识别 · 计算机科学 2019-11-22 Ya Wang , Dongliang He , Fu Li , Xiang Long , Zhichao Zhou , Jinwen Ma , Shilei Wen

This work proposes a hybrid unsupervised and supervised learning method to pre-train models applied in Earth observation downstream tasks when only a handful of labels denoting very general semantic concepts are available. We combine a…

计算机视觉与模式识别 · 计算机科学 2024-02-21 Omar A. Castaño-Idarraga , Raul Ramos-Pollán , Freddie Kalaitzis

With their combined spectral depth and geometric resolution, hyperspectral remote sensing images embed a wealth of complex, non-linear information that challenges traditional computer vision techniques. Yet, deep learning methods known for…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Salma Haidar , José Oramas

Sequence labelling is the task of assigning categorical labels to a data sequence. In Natural Language Processing, sequence labelling can be applied to various fundamental problems, such as Part of Speech (POS) tagging, Named Entity…

计算与语言 · 计算机科学 2018-07-31 Mahtab Ahmed , Muhammad Rifayat Samee , Robert E. Mercer

To tackle Named Entity Recognition (NER) tasks, supervised methods need to obtain sufficient cleanly annotated data, which is labor and time consuming. On the contrary, distantly supervised methods acquire automatically annotated data using…

计算与语言 · 计算机科学 2019-12-05 Shifeng Liu , Yifang Sun , Bing Li , Wei Wang , Xiang Zhao

In this study, we aim to reduce generation latency for Named Entity Recognition (NER) with Large Language Models (LLMs). The main cause of high latency in LLMs is the sequential decoding process, which autoregressively generates all labels…

计算与语言 · 计算机科学 2024-11-22 Jinghui Lu , Ziwei Yang , Yanjie Wang , Xuejing Liu , Brian Mac Namee , Can Huang

This paper studies semi-supervised learning of semantic segmentation, which assumes that only a small portion of training images are labeled and the others remain unlabeled. The unlabeled images are usually assigned pseudo labels to be used…

计算机视觉与模式识别 · 计算机科学 2022-06-02 Donghyeon Kwon , Suha Kwak

Pretrained, large, generative language models (LMs) have had great success in a wide range of sequence tagging and structured prediction tasks. Casting a sequence tagging task as a Seq2Seq one requires deciding the formats of the input and…

计算与语言 · 计算机科学 2022-10-26 Karthik Raman , Iftekhar Naim , Jiecao Chen , Kazuma Hashimoto , Kiran Yalasangi , Krishna Srinivasan

Word2Vec is a prominent model for natural language processing (NLP) tasks. Similar inspiration is found in distributed embeddings for new state-of-the-art (SotA) deep neural networks. However, wrong combination of hyper-parameters can…

计算与语言 · 计算机科学 2021-04-20 Tosin P. Adewumi , Foteini Liwicki , Marcus Liwicki

In this paper, we propose an attention-based classifier that predicts multiple emotions of a given sentence. Our model imitates human's two-step procedure of sentence understanding and it can effectively represent and classify sentences.…

计算与语言 · 计算机科学 2018-04-18 Yanghoon Kim , Hwanhee Lee , Kyomin Jung

Second-order semantic parsing with end-to-end mean-field inference has been shown good performance. In this work we aim to improve this method by modeling label correlations between adjacent arcs. However, direct modeling leads to memory…

计算与语言 · 计算机科学 2022-04-08 Songlin Yang , Kewei Tu

Named entity recognition (NER) is frequently addressed as a sequence classification task where each input consists of one sentence of text. It is nevertheless clear that useful information for the task can often be found outside of the…

计算与语言 · 计算机科学 2020-12-18 Jouni Luoma , Sampo Pyysalo
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