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With the advent of larger and more complex deep learning models, such as in Natural Language Processing (NLP), model qualities like explainability and interpretability, albeit highly desirable, are becoming harder challenges to tackle and…

计算与语言 · 计算机科学 2024-01-30 Amrita Bhattacharjee , Raha Moraffah , Joshua Garland , Huan Liu

Generative models have emerged as powerful priors for solving inverse problems. These models typically represent a class of natural signals using a single fixed complexity or dimensionality. This can be limiting: depending on the problem, a…

机器学习 · 计算机科学 2026-03-11 Sean Gunn , Jorio Cocola , Oliver De Candido , Vaggos Chatziafratis , Paul Hand

Localized Narratives is a dataset with detailed natural language descriptions of images paired with mouse traces that provide a sparse, fine-grained visual grounding for phrases. We propose TReCS, a sequential model that exploits this…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Jing Yu Koh , Jason Baldridge , Honglak Lee , Yinfei Yang

We here introduce a novel classification approach adopted from the nonlinear model identification framework, which jointly addresses the feature selection and classifier design tasks. The classifier is constructed as a polynomial expansion…

机器学习 · 计算机科学 2016-07-29 Aida Brankovic , Alessandro Falsone , Maria Prandini , Luigi Piroddi

We empirically characterize the performance of discriminative and generative LSTM models for text classification. We find that although RNN-based generative models are more powerful than their bag-of-words ancestors (e.g., they account for…

机器学习 · 统计学 2017-05-29 Dani Yogatama , Chris Dyer , Wang Ling , Phil Blunsom

Real-world Knowledge Graphs (KGs) often suffer from incompleteness, which limits their potential performance. Knowledge Graph Completion (KGC) techniques aim to address this issue. However, traditional KGC methods are computationally…

计算与语言 · 计算机科学 2023-11-03 Alla Chepurova , Aydar Bulatov , Yuri Kuratov , Mikhail Burtsev

Previous endeavors in self-supervised learning have enlightened the research of deep clustering from an instance discrimination perspective. Built upon this foundation, recent studies further highlight the importance of grouping…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Chunlin Yu , Ye Shi , Jingya Wang

The black-box nature of machine learning models limits their use in case-critical applications, raising faithful and ethical concerns that lead to trust crises. One possible way to mitigate this issue is to understand how a (mispredicted)…

人工智能 · 计算机科学 2021-06-25 Xianlong Zeng , Fanghao Song , Zhongen Li , Krerkkiat Chusap , Chang Liu

This work pioneers the utilization of generative features in enhancing audio understanding. Unlike conventional discriminative features that directly optimize posterior and thus emphasize semantic abstraction while losing fine grained…

声音 · 计算机科学 2025-09-30 Zeyu Xie , Chenxing Li , Xuenan Xu , Mengyue Wu , Wenfu Wang , Ruibo Fu , Meng Yu , Dong Yu , Yuexian Zou

Personalized text-to-image generation aims to create images tailored to user-defined concepts and textual descriptions. Balancing the fidelity of the learned concept with its ability for generation in various contexts presents a significant…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Vera Soboleva , Maksim Nakhodnov , Aibek Alanov

Explainable machine learning has attracted much interest in the community where the stakes are high. Counterfactual explanations methods have become an important tool in explaining a black-box model. The recent advances have leveraged the…

机器学习 · 计算机科学 2025-09-03 Wei Zhang , Brian Barr , John Paisley

Deep generative modeling has led to new and state of the art approaches for enforcing structural priors in a variety of inverse problems. In contrast to priors given by sparsity, deep models can provide direct low-dimensional…

最优化与控制 · 数学 2018-12-12 Wen Huang , Paul Hand , Reinhard Heckel , Vladislav Voroninski

We propose a fast, model agnostic method for finding interpretable counterfactual explanations of classifier predictions by using class prototypes. We show that class prototypes, obtained using either an encoder or through class specific…

机器学习 · 计算机科学 2020-02-19 Arnaud Van Looveren , Janis Klaise

Explanations in a recommender system assist users in making informed decisions among a set of recommended items. Great research attention has been devoted to generating natural language explanations to depict how the recommendations are…

信息检索 · 计算机科学 2022-02-22 Peng Wang , Renqin Cai , Hongning Wang

This work studies discrete diffusion probabilistic models with applications to natural language generation. We derive an alternative yet equivalent formulation of the sampling from discrete diffusion processes and leverage this insight to…

计算与语言 · 计算机科学 2024-08-05 Lin Zheng , Jianbo Yuan , Lei Yu , Lingpeng Kong

Concept-to-text generation typically employs a pipeline architecture, which often leads to suboptimal texts. Content selection, for example, may greedily select the most important facts, which may require, however, too many words to…

计算与语言 · 计算机科学 2018-11-02 Gerasimos Lampouras , Ion Androutsopoulos

Natural Language Inference is an important task for Natural Language Understanding. It is concerned with classifying the logical relation between two sentences. In this paper, we propose several text generative neural networks for…

人工智能 · 计算机科学 2017-03-28 Janez Starc , Dunja Mladenić

Causal explanations of the predictions of NLP systems are essential to ensure safety and establish trust. Yet, existing methods often fall short of explaining model predictions effectively or efficiently and are often model-specific. In…

计算与语言 · 计算机科学 2023-11-23 Yair Gat , Nitay Calderon , Amir Feder , Alexander Chapanin , Amit Sharma , Roi Reichart

We demonstrate that a generative model for object shapes can achieve state of the art results on challenging scene text recognition tasks, and with orders of magnitude fewer training images than required for competing discriminative…

计算机视觉与模式识别 · 计算机科学 2016-11-10 Xinghua Lou , Ken Kansky , Wolfgang Lehrach , CC Laan , Bhaskara Marthi , D. Scott Phoenix , Dileep George

Domain adaptation and generative modelling have collectively mitigated the expensive nature of data collection and labelling by leveraging the rich abundance of accurate, labelled data in simulation environments. In this work, we study the…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Gil Avraham , Yan Zuo , Tom Drummond