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Generative Recommendation has emerged as a transformative paradigm, reformulating recommendation as an end-to-end autoregressive sequence generation task. Despite its promise, existing preference optimization methods typically rely on…

信息检索 · 计算机科学 2026-02-13 Chenxiao Fan , Chongming Gao , Yaxin Gong , Haoyan Liu , Fuli Feng , Xiangnan He

Many automatic unit test generation tools that can generate unit test cases with high coverage over a program have been proposed. However, most of these tools are ineffective on deep learning (DL) frameworks due to the fact that many of…

软件工程 · 计算机科学 2023-07-04 Arunkaleeshwaran Narayanan , Nima Shiri harzevili , Junjie Wang , Lin Shi , Moshi Wei , Song Wang

Search-based Software Engineering has been utilized for a number of software engineering activities. One area where Search-Based Software Engineering has seen much application is test data generation. Evolutionary testing designates the use…

软件工程 · 计算机科学 2011-03-02 P. Maragathavalli

Detecting overfitting in generative models is an important challenge in machine learning. In this work, we formalize a form of overfitting that we call {\em{data-copying}} -- where the generative model memorizes and outputs training samples…

机器学习 · 计算机科学 2020-04-14 Casey Meehan , Kamalika Chaudhuri , Sanjoy Dasgupta

Deep generative models are promising in detecting novel cyber-physical attacks, mitigating the vulnerability of Cyber-physical systems (CPSs) without relying on labeled information. Nonetheless, these generative models face challenges in…

密码学与安全 · 计算机科学 2023-11-07 Haili Sun , Yan Huang , Lansheng Han , Cai Fu , Hongle Liu , Xiang Long

Generative models can now produce photorealistic synthetic data which is virtually indistinguishable from the real data used to train it. This is a significant evolution over previous models which could produce reasonable facsimiles of the…

机器学习 · 计算机科学 2024-12-10 Debargha Ganguly , Warren Morningstar , Andrew Yu , Vipin Chaudhary

Evaluated nuclear data uncertainties are often perceived as unrealistic, most often because they are thought to be too small. The impact of this issue in applied nuclear science has been discussed widely in recent years. Commonly suggested…

数据分析、统计与概率 · 物理学 2020-04-28 R. Capote , S. Badikov , A. Carlson , I. Duran , F. Gunsing , D. Neudecker , V. G. Pronyaev , P. Schillebeeckx , G. Schnabel , D. L. Smith , A. Wallner

With the recent advances of open-domain story generation, the lack of reliable automatic evaluation metrics becomes an increasingly imperative issue that hinders the fast development of story generation. According to conducted researches in…

计算与语言 · 计算机科学 2021-05-27 Sarik Ghazarian , Zixi Liu , Akash SM , Ralph Weischedel , Aram Galstyan , Nanyun Peng

Deep neural networks often suffer from overconfidence which can be partly remedied by improved out-of-distribution detection. For this purpose, we propose a novel approach that allows for the generation of out-of-distribution datasets based…

机器学习 · 计算机科学 2021-05-10 Felix Möller , Diego Botache , Denis Huseljic , Florian Heidecker , Maarten Bieshaar , Bernhard Sick

With the advent of artificial intelligence and machine learning, various domains of science and engineering communities have leveraged data-driven surrogates to model complex systems through fusing numerous sources of information (data)…

Creating resilient machine learning (ML) systems has become necessary to ensure production-ready ML systems that acquire user confidence seamlessly. The quality of the input data and the model highly influence the successful end-to-end…

人工智能 · 计算机科学 2023-09-21 Manal Rahal , Bestoun S. Ahmed , Jorgen Samuelsson

This paper addresses the ethical concerns arising from the use of unauthorized public data in deep learning models and proposes a novel solution. Specifically, building on the work of Huang et al. (2021), we extend their bi-level…

计算与语言 · 计算机科学 2024-10-15 Xinzhe Li , Ming Liu , Shang Gao

Environmental, Social, and Governance (ESG) datasets are frequently plagued by significant data gaps, leading to inconsistencies in ESG ratings due to varying imputation methods. This paper explores the application of established machine…

机器学习 · 计算机科学 2024-07-30 Sergio Caprioli , Jacopo Foschi , Riccardo Crupi , Alessandro Sabatino

Unsupervised domain translation (UDT) aims to find functions that convert samples from one domain (e.g., sketches) to another domain (e.g., photos) without changing the high-level semantic meaning (also referred to as ``content''). The…

机器学习 · 计算机科学 2025-08-26 Sagar Shrestha , Xiao Fu

Building a scalable machine learning system for unsupervised anomaly detection via representation learning is highly desirable. One of the prevalent methods is using a reconstruction error from variational autoencoder (VAE) via maximizing…

机器学习 · 计算机科学 2020-05-08 Seonho Park , George Adosoglou , Panos M. Pardalos

Data debugging is to find a subset of the training data such that the model obtained by retraining on the subset has a better accuracy. A bunch of heuristic approaches are proposed, however, none of them are guaranteed to solve this problem…

计算复杂性 · 计算机科学 2024-08-05 Zizheng Guo , Pengyu Chen , Yanzhang Fu , Dongjing Miao

Neural networks are often overconfident about their predictions, which undermines their reliability and trustworthiness. In this work, we present a novel technique, named Error-Driven Uncertainty Aware Training (EUAT), which aims to enhance…

机器学习 · 计算机科学 2024-09-12 Pedro Mendes , Paolo Romano , David Garlan

In this paper we propose a data-driven approach to the design of a residual generator, based on a dead-beat unknown-input observer, for linear time-invariant discrete-time state-space models, whose state equation is affected both by…

系统与控制 · 电气工程与系统科学 2024-04-10 Giulio Fattore , Maria Elena Valcher

Generative modeling, which learns joint probability distribution from data and generates samples according to it, is an important task in machine learning and artificial intelligence. Inspired by probabilistic interpretation of quantum…

统计力学 · 物理学 2018-07-20 Zhao-Yu Han , Jun Wang , Heng Fan , Lei Wang , Pan Zhang

Using machine learning models to generate synthetic data has become common in many fields. Technology to generate synthetic transactions that can be used to detect fraud is also growing fast. Generally, this synthetic data contains only…

机器学习 · 计算机科学 2023-06-30 Shuo Wang , Terrence Tricco , Xianta Jiang , Charles Robertson , John Hawkin