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Autonomous robots deal with unexpected scenarios in real environments. Given input images, various visual perception tasks can be performed, e.g., semantic segmentation, depth estimation and normal estimation. These different tasks provide…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Boyang Sun , Jiaxu Xing , Hermann Blum , Roland Siegwart , Cesar Cadena

Detecting and classifying cyberbullying in social media is hard because of the complex nature of online language and the changing nature of content. This study presents a multi-stage BERT fusion framework. It uses hierarchical embeddings,…

计算与语言 · 计算机科学 2025-03-04 Jiani Wang , Xiaochuan Xu , Peiyang Yu , Zeqiu Xu

Most of existing work learn sentiment-specific word representation for improving Twitter sentiment classification, which encoded both n-gram and distant supervised tweet sentiment information in learning process. They assume all words…

计算与语言 · 计算机科学 2018-05-30 Shufeng Xiong

We investigate how Multilingual BERT (mBERT) encodes grammar by examining how the high-order grammatical feature of morphosyntactic alignment (how different languages define what counts as a "subject") is manifested across the embedding…

计算与语言 · 计算机科学 2021-01-28 Isabel Papadimitriou , Ethan A. Chi , Richard Futrell , Kyle Mahowald

At present, different deep learning models are presenting high accuracy on popular inference datasets such as SNLI, MNLI, and SciTail. However, there are different indicators that those datasets can be exploited by using some simple…

计算与语言 · 计算机科学 2019-10-25 Felipe Salvatore , Marcelo Finger , Roberto Hirata

Relation prediction in knowledge graphs is dominated by embedding based methods which mainly focus on the transductive setting. Unfortunately, they are not able to handle inductive learning where unseen entities and relations are present…

计算与语言 · 计算机科学 2021-03-15 Hanwen Zha , Zhiyu Chen , Xifeng Yan

Much effort has been devoted to evaluate whether multi-task learning can be leveraged to learn rich representations that can be used in various Natural Language Processing (NLP) down-stream applications. However, there is still a lack of…

计算与语言 · 计算机科学 2018-11-27 Victor Sanh , Thomas Wolf , Sebastian Ruder

Pre-trained language models (PLM) have demonstrated their effectiveness for a broad range of information retrieval and natural language processing tasks. As the core part of PLM, multi-head self-attention is appealing for its ability to…

计算与语言 · 计算机科学 2022-04-07 Shanshan Wang , Zhumin Chen , Zhaochun Ren , Huasheng Liang , Qiang Yan , Pengjie Ren

This paper presents a novel method that allows a machine learning algorithm following the transformation-based learning paradigm \cite{brill95:tagging} to be applied to multiple classification tasks by training jointly and simultaneously on…

计算与语言 · 计算机科学 2007-05-23 Radu Florian , Grace Ngai

Multi-Task Learning (MTL) aims to enhance the model generalization by sharing representations between related tasks for better performance. Typical MTL methods are jointly trained with the complete multitude of ground-truths for all tasks…

计算机视觉与模式识别 · 计算机科学 2021-10-15 Yufeng Wang , Yi-Hsuan Tsai , Wei-Chih Hung , Wenrui Ding , Shuo Liu , Ming-Hsuan Yang

We present MetricBERT, a BERT-based model that learns to embed text under a well-defined similarity metric while simultaneously adhering to the ``traditional'' masked-language task. We focus on downstream tasks of learning similarities for…

计算与语言 · 计算机科学 2022-08-16 Itzik Malkiel , Dvir Ginzburg , Oren Barkan , Avi Caciularu , Yoni Weill , Noam Koenigstein

Contextual word embeddings such as BERT have achieved state of the art performance in numerous NLP tasks. Since they are optimized to capture the statistical properties of training data, they tend to pick up on and amplify social…

计算与语言 · 计算机科学 2019-06-19 Keita Kurita , Nidhi Vyas , Ayush Pareek , Alan W Black , Yulia Tsvetkov

Similarity-based method gives rise to a new class of methods for multi-label learning and also achieves promising performance. In this paper, we generalize this method, resulting in a new framework for classification task. Specifically, we…

机器学习 · 计算机科学 2022-03-08 Zhongchen Ma , Songcan Chen

Recently, deep learning (DL)-based non-intrusive speech assessment models have attracted great attention. Many studies report that these DL-based models yield satisfactory assessment performance and good flexibility, but their performance…

音频与语音处理 · 电气工程与系统科学 2022-09-01 Ryandhimas E. Zezario , Szu-wei Fu , Fei Chen , Chiou-Shann Fuh , Hsin-Min Wang , Yu Tsao

For a computer to naturally interact with a human, it needs to be human-like. In this paper, we propose a neural response generation model with multi-task learning of generation and classification, focusing on emotion. Our model based on…

计算与语言 · 计算机科学 2021-05-26 Tatsuya Ide , Daisuke Kawahara

Multi-task learning is frequently used to model a set of related response variables from the same set of features, improving predictive performance and modeling accuracy relative to methods that handle each response variable separately.…

统计方法学 · 统计学 2023-08-11 Snigdha Panigrahi , Natasha Stewart , Chandra Sekhar Sripada , Elizaveta Levina

We present a systematic investigation of layer-wise BERT activations for general-purpose text representations to understand what linguistic information they capture and how transferable they are across different tasks. Sentence-level…

计算与语言 · 计算机科学 2019-10-25 Xiaofei Ma , Zhiguo Wang , Patrick Ng , Ramesh Nallapati , Bing Xiang

Multi-task learning promises better model generalization on a target task by jointly optimizing it with an auxiliary task. However, the current practice requires additional labeling efforts for the auxiliary task, while not guaranteeing…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Menelaos Kanakis , Thomas E. Huang , David Bruggemann , Fisher Yu , Luc Van Gool

The multi-head self-attention mechanism of the transformer model has been thoroughly investigated recently. In one vein of study, researchers are interested in understanding why and how transformers work. In another vein, researchers…

计算与语言 · 计算机科学 2022-10-28 Raymond Li , Wen Xiao , Linzi Xing , Lanjun Wang , Gabriel Murray , Giuseppe Carenini

Multi-task learning has recently emerged as a promising solution for a comprehensive understanding of complex scenes. In addition to being memory-efficient, multi-task models, when appropriately designed, can facilitate the exchange of…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Ivan Lopes , Tuan-Hung Vu , Raoul de Charette