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A major issue with using deep learning models in sensitive applications is that they provide no explanation for their output. To address this problem, unsupervised selective rationalization produces rationales alongside predictions by…

Computation and Language · Computer Science 2023-05-30 Adam Storek , Melanie Subbiah , Kathleen McKeown

Existing self-supervised learning methods learn representation by means of pretext tasks which are either (1) discriminating that explicitly specify which features should be separated or (2) aligning that precisely indicate which features…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Anjan Dutta , Massimiliano Mancini , Zeynep Akata

A desirable property of learning systems is to be both effective and interpretable. Towards this goal, recent models have been proposed that first generate an extractive explanation from the input text and then generate a prediction on just…

Computation and Language · Computer Science 2021-02-05 Zijian Zhang , Koustav Rudra , Avishek Anand

Both humans and machines learn the meaning of unknown words through contextual information in a sentence, but not all contexts are equally helpful for learning. We introduce an effective method for capturing the level of contextual…

Computation and Language · Computer Science 2023-11-10 Sungjin Nam , David Jurgens , Gwen Frishkoff , Kevyn Collins-Thompson

With the wide adoption of machine learning techniques, requirements have evolved beyond sheer high performance, often requiring models to be trustworthy. A common approach to increase the trustworthiness of such systems is to allow them to…

Machine Learning · Computer Science 2023-11-16 Andrea Pugnana , Carlos Mougan , Dan Saattrup Nielsen

This study addresses an image-matching problem in challenging cases, such as large scene variations or textureless scenes. To gain robustness to such situations, most previous studies have attempted to encode the global contexts of a scene…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Khang Truong Giang , Soohwan Song , Sungho Jo

In this paper, we focus on the problem of unsupervised image-sentence matching. Existing research explores to utilize document-level structural information to sample positive and negative instances for model training. Although the approach…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Zejun Li , Zhongyu Wei , Zhihao Fan , Haijun Shan , Xuanjing Huang

Contextualised word vectors obtained via pre-trained language models encode a variety of knowledge that has already been exploited in applications. Complementary to these language models are probabilistic topic models that learn thematic…

Computation and Language · Computer Science 2023-01-12 Mozhgan Talebpour , Alba Garcia Seco de Herrera , Shoaib Jameel

In many applications, training machine learning models involves using large amounts of human-annotated data. Obtaining precise labels for the data is expensive. Instead, training with weak supervision provides a low-cost alternative. We…

Machine Learning · Computer Science 2022-02-09 Chidubem Arachie , Bert Huang

We present a neural network framework for learning a survival model to predict a time-to-event outcome while simultaneously learning a topic model that reveals feature relationships. In particular, we model each subject as a distribution…

Machine Learning · Computer Science 2024-06-06 George H. Chen , Linhong Li , Ren Zuo , Amanda Coston , Jeremy C. Weiss

Probabilistic topic models are widely used to discover latent topics in document collections, while latent feature vector representations of words have been used to obtain high performance in many NLP tasks. In this paper, we extend two…

Computation and Language · Computer Science 2018-10-16 Dat Quoc Nguyen , Richard Billingsley , Lan Du , Mark Johnson

The topic modeling discovers the latent topic probability of the given text documents. To generate the more meaningful topic that better represents the given document, we proposed a new feature extraction technique which can be used in the…

Machine Learning · Computer Science 2018-04-13 Ziyi Zhao , Krittaphat Pugdeethosapol , Sheng Lin , Zhe Li , Caiwen Ding , Yanzhi Wang , Qinru Qiu

Mislabeled, duplicated, or biased data in real-world scenarios can lead to prolonged training and even hinder model convergence. Traditional solutions prioritizing easy or hard samples lack the flexibility to handle such a variety…

Machine Learning · Computer Science 2023-11-08 Zhijie Deng , Peng Cui , Jun Zhu

Recent research put a big effort in the development of deep learning architectures and optimizers obtaining impressive results in areas ranging from vision to language processing. However little attention has been addressed to the need of a…

Computer Vision and Pattern Recognition · Computer Science 2018-12-20 Gabriele Valvano , Andrea Leo , Daniele Della Latta , Nicola Martini , Gianmarco Santini , Dante Chiappino , Emiliano Ricciardi

Providing users with alternatives to choose from is an essential component in many online platforms, making the accurate prediction of choice vital to their success. A renewed interest in learning choice models has led to significant…

Machine Learning · Computer Science 2020-01-22 Nir Rosenfeld , Kojin Oshiba , Yaron Singer

Topic models are valuable for understanding extensive document collections, but they don't always identify the most relevant topics. Classical probabilistic and anchor-based topic models offer interactive versions that allow users to guide…

Machine Learning · Computer Science 2024-02-08 Kyle Seelman , Mozhi Zhang , Jordan Boyd-Graber

Modern large-scale Pre-trained Language Models (PLMs) have achieved tremendous success on a wide range of downstream tasks. However, most of the LM pre-training objectives only focus on text reconstruction, but have not sought to learn…

Computation and Language · Computer Science 2022-10-28 Liliang Ren , Zixuan Zhang , Han Wang , Clare R. Voss , Chengxiang Zhai , Heng Ji

The effectiveness of learning in massive open online courses (MOOCs) can be significantly enhanced by introducing personalized intervention schemes which rely on building predictive models of student learning behaviors such as some…

Machine Learning · Computer Science 2018-12-20 Mucong Ding , Kai Yang , Dit-Yan Yeung , Ting-Chuen Pong

This article describes posterior maximization for topic models, identifying computational and conceptual gains from inference under a non-standard parametrization. We then show that fitted parameters can be used as the basis for a novel…

Applications · Statistics 2011-12-30 Matthew A. Taddy

Clearly explaining a rationale for a classification decision to an end-user can be as important as the decision itself. Existing approaches for deep visual recognition are generally opaque and do not output any justification text;…

Computer Vision and Pattern Recognition · Computer Science 2016-03-29 Lisa Anne Hendricks , Zeynep Akata , Marcus Rohrbach , Jeff Donahue , Bernt Schiele , Trevor Darrell