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Although not all bots are malicious, the vast majority of them are responsible for spreading misinformation and manipulating the public opinion about several issues, i.e., elections and many more. Therefore, the early detection of bots is…

计算与语言 · 计算机科学 2024-07-31 Loukas Ilias , Ioannis Michail Kazelidis , Dimitris Askounis

Neural networks have been successfully applied in applications with a large amount of labeled data. However, the task of rapid generalization on new concepts with small training data while preserving performances on previously learned ones…

机器学习 · 计算机科学 2017-06-09 Tsendsuren Munkhdalai , Hong Yu

As entity type systems become richer and more fine-grained, we expect the number of types assigned to a given entity to increase. However, most fine-grained typing work has focused on datasets that exhibit a low degree of type multiplicity.…

计算与语言 · 计算机科学 2017-04-26 Maxim Rabinovich , Dan Klein

The automatic detection of hate speech online is an active research area in NLP. Most of the studies to date are based on social media datasets that contribute to the creation of hate speech detection models trained on them. However, data…

计算与语言 · 计算机科学 2023-07-06 Dimosthenis Antypas , Jose Camacho-Collados

Fine-tuning-based unlearning methods prevail for preventing targeted harmful, sensitive, or copyrighted information within large language models while preserving overall capabilities. However, the true effectiveness of these methods is…

计算与语言 · 计算机科学 2024-10-16 Yihuai Hong , Yuelin Zou , Lijie Hu , Ziqian Zeng , Di Wang , Haiqin Yang

Social networking services like Twitter have been playing an import role in people's daily life since it supports new ways of communicating effectively and sharing information. The advantages of these social network services enable them…

社会与信息网络 · 计算机科学 2016-05-17 Phuc Tri Nguyen , Hideaki Takeda

Wikipedia is the world's largest online encyclopedia, but maintaining article quality through collaboration is challenging. Wikipedia designed a quality scale, but with such a manual assessment process, many articles remain unassessed. We…

计算与语言 · 计算机科学 2023-10-04 Pedro Miguel Moás , Carla Teixeira Lopes

Multimodal few-shot learning is challenging due to the large domain gap between vision and language modalities. Existing methods are trying to communicate visual concepts as prompts to frozen language models, but rely on hand-engineered…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Ivona Najdenkoska , Xiantong Zhen , Marcel Worring

In this paper, we propose Meta-SysId, a meta-learning approach to model sets of systems that have behavior governed by common but unknown laws and that differentiate themselves by their context. Inspired by classical…

机器学习 · 计算机科学 2022-06-03 Junyoung Park , Federico Berto , Arec Jamgochian , Mykel J. Kochenderfer , Jinkyoo Park

The ability to learn new concepts with small amounts of data is a critical aspect of intelligence that has proven challenging for deep learning methods. Meta-learning has emerged as a promising technique for leveraging data from previous…

机器学习 · 计算机科学 2020-04-29 Mingzhang Yin , George Tucker , Mingyuan Zhou , Sergey Levine , Chelsea Finn

In order for a robot to be a generalist that can perform a wide range of jobs, it must be able to acquire a wide variety of skills quickly and efficiently in complex unstructured environments. High-capacity models such as deep neural…

机器学习 · 计算机科学 2017-09-15 Chelsea Finn , Tianhe Yu , Tianhao Zhang , Pieter Abbeel , Sergey Levine

The factual knowledge acquired during pre-training and stored in the parameters of Language Models (LMs) can be useful in downstream tasks (e.g., question answering or textual inference). However, some facts can be incorrectly induced or…

计算与语言 · 计算机科学 2021-09-10 Nicola De Cao , Wilker Aziz , Ivan Titov

Automated accounts on social media have become increasingly problematic. We propose a key feature in combination with existing methods to improve machine learning algorithms for bot detection. We successfully improve classification…

社会与信息网络 · 计算机科学 2019-04-30 Laurenz A Cornelissen , Petrus Schoonwinkel , Richard J Barnett

Few-shot meta-learning methods consider the problem of learning new tasks from a small, fixed number of examples, by meta-learning across static data from a set of previous tasks. However, in many real world settings, it is more natural to…

机器学习 · 计算机科学 2020-12-15 Tianhe Yu , Xinyang Geng , Chelsea Finn , Sergey Levine

With the large chunks of social media data being created daily and the parallel rise of realistic multimedia tampering methods, detecting and localising tampering in images and videos has become essential. This survey focusses on approaches…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Ankit Yadav , Dinesh Kumar Vishwakarma

Crowdsourcing platforms such as Amazon Mechanical Turk (MTurk) are important tools for researchers seeking to conduct studies with a broad, global participant base. Despite their popularity and demonstrated utility, we present evidence that…

人机交互 · 计算机科学 2025-11-04 Shengqian Wang , Israt Jahan Jui , Julie Thorpe

Meta-learning approaches have shown great success in vision and language domains. However, few studies discuss the practice of meta-learning for large-scale industrial applications. Although e-commerce companies have spent many efforts on…

机器学习 · 计算机科学 2020-10-12 Hao Gong , Qifang Zhao , Tianyu Li , Derek Cho , DuyKhuong Nguyen

The rise in online misinformation in recent years threatens democracies by distorting authentic public discourse and causing confusion, fear, and even, in extreme cases, violence. There is a need to understand the spread of false content…

Meta-learning, the notion of learning to learn, enables learning systems to quickly and flexibly solve new tasks. This usually involves defining a set of outer-loop meta-parameters that are then used to update a set of inner-loop…

机器学习 · 计算机科学 2023-03-17 Chris Lu , Sebastian Towers , Jakob Foerster

Recent industry reports assure the rise of web robots which comprise more than half of the total web traffic. They not only threaten the security, privacy and efficiency of the web but they also distort analytics and metrics, doubting the…

人工智能 · 计算机科学 2017-11-15 Athanasios Lagopoulos , Grigorios Tsoumakas , Georgios Papadopoulos
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