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Contextual bandit learning is a reinforcement learning problem where the learner repeatedly receives a set of features (context), takes an action and receives a reward based on the action and context. We consider this problem under a…

机器学习 · 计算机科学 2012-03-05 Alekh Agarwal , Miroslav Dudík , Satyen Kale , John Langford , Robert E. Schapire

A robust and reliable semantic segmentation in adverse weather conditions is very important for autonomous cars, but most state-of-the-art approaches only achieve high accuracy rates in optimal weather conditions. The reason is that they…

计算机视觉与模式识别 · 计算机科学 2019-05-27 Andreas Pfeuffer , Klaus Dietmayer

Transformer-based Large Language Models (LLMs) have demonstrated powerful in-context learning capabilities. However, their predictions can be disrupted by factually correct context, a phenomenon known as context hijacking, revealing a…

计算与语言 · 计算机科学 2025-02-24 Tianle Li , Chenyang Zhang , Xingwu Chen , Yuan Cao , Difan Zou

This paper presents a robust deep learning framework developed to detect respiratory diseases from recordings of respiratory sounds. The complete detection process firstly involves front end feature extraction where recordings are…

声音 · 计算机科学 2020-02-11 Lam Pham , Ian McLoughlin , Huy Phan , Minh Tran , Truc Nguyen , Ramaswamy Palaniappan

Models that adapt their predictions based on some given contexts, also known as in-context learning, have become ubiquitous in recent years. We propose to study the behavior of such models when data is contaminated by noise. Towards this…

机器学习 · 计算机科学 2024-11-05 Chen Shapira , Dan Rosenbaum

Existing research suggests that automatic speech recognition (ASR) models can benefit from additional contexts (e.g., contact lists, user specified vocabulary). Rare words and named entities can be better recognized with contexts. In this…

音频与语音处理 · 电气工程与系统科学 2024-07-16 Ruizhe Huang , Mahsa Yarmohammadi , Sanjeev Khudanpur , Daniel Povey

Automated prediction of valence, one key feature of a person's emotional state, from individuals' personal narratives may provide crucial information for mental healthcare (e.g. early diagnosis of mental diseases, supervision of disease…

计算与语言 · 计算机科学 2019-12-03 Aniruddha Tammewar , Alessandra Cervone , Eva-Maria Messner , Giuseppe Riccardi

Classification models are very sensitive to data uncertainty, and finding robust classifiers that are less sensitive to data uncertainty has raised great interest in the machine learning literature. This paper aims to construct robust…

机器学习 · 统计学 2022-03-01 Vali Asimit , Ioannis Kyriakou , Simone Santoni , Salvatore Scognamiglio , Rui Zhu

In-context system identification aims at constructing meta-models to describe classes of systems, differently from traditional approaches that model single systems. This paradigm facilitates the leveraging of knowledge acquired from…

机器学习 · 计算机科学 2023-12-08 Dario Piga , Filippo Pura , Marco Forgione

In this work, we analyze the conditions under which information about the context of an input $X$ can improve the predictions of deep learning models in new domains. Following work in marginal transfer learning in Domain Generalization…

机器学习 · 计算机科学 2025-10-23 Jens Müller , Lars Kühmichel , Martin Rohbeck , Stefan T. Radev , Ullrich Köthe

Sarcasm recognition is challenging because it needs an understanding of the true intention, which is opposite to or different from the literal meaning of the words. Prior work has addressed this challenge by developing a series of methods…

计算与语言 · 计算机科学 2024-03-20 Ojas Nimase , Sanghyun Hong

Investigation of machine learning algorithms robust to changes between the training and test distributions is an active area of research. In this paper we explore a special type of dataset shift which we call class-dependent domain shift.…

机器学习 · 计算机科学 2020-07-13 Tigran Galstyan , Hrant Khachatrian , Greg Ver Steeg , Aram Galstyan

Abusive language detection has become an increasingly important task as a means to tackle this type of harmful content in social media. There has been a substantial body of research developing models for determining if a social media post…

计算与语言 · 计算机科学 2025-08-19 Raneem Alharthi , Rajwa Alharthi , Aiqi Jiang , Arkaitz Zubiaga

One of the challenges of natural language understanding is to deal with the subjectivity of sentences, which may express opinions and emotions that add layers of complexity and nuance. Sentiment analysis is a field that aims to extract and…

计算与语言 · 计算机科学 2024-02-06 Adrian-Gabriel Chifu , Sébastien Fournier

Despite the great success of face recognition techniques, recognizing persons under unconstrained settings remains challenging. Issues like profile views, unfavorable lighting, and occlusions can cause substantial difficulties. Previous…

计算机视觉与模式识别 · 计算机科学 2018-06-11 Qingqiu Huang , Yu Xiong , Dahua Lin

The ability to learn a model is essential for the success of autonomous agents. Unfortunately, learning a model is difficult in partially observable environments, where latent environmental factors influence what the agent observes. In the…

机器人学 · 计算机科学 2016-08-03 Nikolas J. Hemion

Learning algorithms for natural language processing (NLP) tasks traditionally rely on manually defined relevant contextual features. On the other hand, neural network models using an only distributional representation of words have been…

计算与语言 · 计算机科学 2017-11-30 Kushal Chawla , Sunil Kumar Sahu , Ashish Anand

While real world challenges typically define visual categories with language words or phrases, most visual classification methods define categories with numerical indices. However, the language specification of the classes provides an…

计算机视觉与模式识别 · 计算机科学 2022-02-21 Suzanne Petryk , Lisa Dunlap , Keyan Nasseri , Joseph Gonzalez , Trevor Darrell , Anna Rohrbach

Feature selection is a crucial tool in machine learning and is widely applied across various scientific disciplines. Traditional supervised methods generally identify a universal set of informative features for the entire population.…

Named Entity Recognition systems achieve remarkable performance on domains such as English news. It is natural to ask: What are these models actually learning to achieve this? Are they merely memorizing the names themselves? Or are they…

计算与语言 · 计算机科学 2021-01-05 Oshin Agarwal , Yinfei Yang , Byron C. Wallace , Ani Nenkova