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The indistinguishability of AI-generated content from human text raises challenges in transparency and accountability. While several methods exist to watermark models behind APIs, embedding watermark strategies directly into model weights…

Machine Learning · Computer Science 2025-04-10 Fay Elhassan , Niccolò Ajroldi , Antonio Orvieto , Jonas Geiping

Machine learning techniques for more efficient video compression and video enhancement have been developed thanks to breakthroughs in deep learning. The new techniques, considered as an advanced form of Artificial Intelligence (AI), bring…

Image and Video Processing · Electrical Eng. & Systems 2021-05-28 Luka Murn , Marc Gorriz Blanch , Maria Santamaria , Fiona Rivera , Marta Mrak

Developers prefer to utilize third-party libraries when they implement some functionalities and Application Programming Interfaces (APIs) are frequently used by them. Facing an unfamiliar API, developers tend to consult tutorials as…

Software Engineering · Computer Science 2017-03-07 He Jiang , Jingxuan Zhang , Xiaochen Li , Zhilei Ren , David Lo

AI models are often regarded as valuable intellectual property due to the high cost of their development, the competitive advantage they provide, and the proprietary techniques involved in their creation. As a result, AI model stealing…

Cryptography and Security · Computer Science 2025-10-02 Valentin Barbaza , Alan Rodrigo Diaz-Rizo , Hassan Aboushady , Spyridon Raptis , Haralampos-G. Stratigopoulos

Extracting dense representations for terms and phrases is a task of great importance for knowledge discovery platforms targeting highly-technical fields. Dense representations are used as features for downstream components and have multiple…

Computation and Language · Computer Science 2023-05-26 Francesco Fusco , Diego Antognini

With the growing adoption of privacy-preserving machine learning algorithms, such as Differentially Private Stochastic Gradient Descent (DP-SGD), training or fine-tuning models on private datasets has become increasingly prevalent. This…

Cryptography and Security · Computer Science 2025-03-05 Hong Guan , Lei Yu , Lixi Zhou , Li Xiong , Kanchan Chowdhury , Lulu Xie , Xusheng Xiao , Jia Zou

In this study, we analyze model inversion attacks with only two assumptions: feature vectors of user data are known, and a black-box API for inference is provided. On the one hand, limitations of existing studies are addressed by opting for…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Xingyang Ni , Heikki Huttunen , Esa Rahtu

We investigate whether model extraction can be used to "steal" the weights of sequential recommender systems, and the potential threats posed to victims of such attacks. This type of risk has attracted attention in image and text…

Cryptography and Security · Computer Science 2021-09-06 Zhenrui Yue , Zhankui He , Huimin Zeng , Julian McAuley

With the development of deep learning, high-value and high-cost models have become valuable assets, and related intellectual property protection technologies have become a hot topic. However, existing model watermarking work in black-box…

Cryptography and Security · Computer Science 2024-04-16 Na Zhao , Kejiang Chen , Weiming Zhang , Nenghai Yu

Artificial Intelligence has made a significant contribution to autonomous vehicles, from object detection to path planning. However, AI models require a large amount of sensitive training data and are usually computationally intensive to…

Cryptography and Security · Computer Science 2021-09-13 Shanthi Lekkala , Tanya Motwani , Manojkumar Parmar , Amit Phadke

Deep learning-based language models have achieved state-of-the-art results in a number of applications including sentiment analysis, topic labelling, intent classification and others. Obtaining text representations or embeddings using these…

Computation and Language · Computer Science 2021-08-30 Richard Plant , Dimitra Gkatzia , Valerio Giuffrida

We propose a prototype-based federated learning method designed for embedding networks in classification or verification tasks. Our focus is on scenarios where each client has data from a single class. The main challenge is to develop an…

Machine Learning · Computer Science 2024-09-13 Hyunsin Park , Sungrack Yun

Machine learning involves expensive data collection and training procedures. Model owners may be concerned that valuable intellectual property can be leaked if adversaries mount model extraction attacks. As it is difficult to defend against…

Cryptography and Security · Computer Science 2021-02-22 Hengrui Jia , Christopher A. Choquette-Choo , Varun Chandrasekaran , Nicolas Papernot

There has been a rise in the use of Machine Learning as a Service (MLaaS) Vision APIs as they offer multiple services including pre-built models and algorithms, which otherwise take a huge amount of resources if built from scratch. As these…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Jaydeep Borkar , Pin-Yu Chen

Deep learning has transformed AI applications but faces critical security challenges, including adversarial attacks, data poisoning, model theft, and privacy leakage. This survey examines these vulnerabilities, detailing their mechanisms…

Modern software development requires a large investment in learning application programming interfaces (APIs). Recent research found that the learning materials themselves are often inadequate: developers struggle to find answers beyond…

Software Engineering · Computer Science 2014-02-07 Adrian Kuhn , Robert DeLine

In recent years, there have been many cloud-based machine learning services, where well-trained models are provided to users on a pay-per-query scheme through a prediction API. The emergence of these services motivates this work, where we…

Cryptography and Security · Computer Science 2020-09-02 Xun Xian , Xinran Wang , Mingyi Hong , Jie Ding , Reza Ghanadan

Traditional collaborative learning approaches are based on sharing of model weights between clients and a server. However, there are advantages to resource efficiency through schemes based on sharing of embeddings (activations) created from…

Machine Learning · Computer Science 2025-10-08 Praneeth Vepakomma , Kaustubh Ponkshe

On-device machine learning (ML) is quickly gaining popularity among mobile apps. It allows offline model inference while preserving user privacy. However, ML models, considered as core intellectual properties of model owners, are now stored…

Cryptography and Security · Computer Science 2021-06-16 Zhichuang Sun , Ruimin Sun , Long Lu , Alan Mislove

Deep neural networks (DNNs) deployed in a cloud often allow users to query models via the APIs. However, these APIs expose the models to model extraction attacks (MEAs). In this attack, the attacker attempts to duplicate the target model by…

Cryptography and Security · Computer Science 2025-06-26 Satoru Koda , Ikuya Morikawa