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Pre-trained general-purpose language models have been a dominating component in enabling real-world natural language processing (NLP) applications. However, a pre-trained model with backdoor can be a severe threat to the applications. Most…

Computation and Language · Computer Science 2021-11-02 Lujia Shen , Shouling Ji , Xuhong Zhang , Jinfeng Li , Jing Chen , Jie Shi , Chengfang Fang , Jianwei Yin , Ting Wang

Deep neural networks (DNNs) have become the essential components for various commercialized machine learning services, such as Machine Learning as a Service (MLaaS). Recent studies show that machine learning services face severe privacy…

Computer Vision and Pattern Recognition · Computer Science 2022-01-27 Xiaoyong Yuan , Leah Ding , Lan Zhang , Xiaolin Li , Dapeng Wu

Can we construct a neural model that is inductively biased towards learning human languages? Motivated by this question, we aim at constructing an informative prior over neural weights, in order to adapt quickly to held-out languages in the…

Computation and Language · Computer Science 2021-08-10 Edoardo Maria Ponti , Ivan Vulić , Ryan Cotterell , Roi Reichart , Anna Korhonen

A lease is an important primitive for building distributed protocols, and it is ubiquitously employed in distributed systems. However, the scope of the classic lease abstraction is restricted to the trusted computing infrastructure.…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-01-19 Bohdan Trach , Rasha Faqeh , Oleksii Oleksenko , Wojciech Ozga , Pramod Bhatotia , Christof Fetzer

We consider non-clairvoyant scheduling with online precedence constraints, where an algorithm is oblivious to any job dependencies and learns about a job only if all of its predecessors have been completed. Given strong impossibility…

Data Structures and Algorithms · Computer Science 2023-01-31 Alexandra Lassota , Alexander Lindermayr , Nicole Megow , Jens Schlöter

This paper discusses that there is significant benefit in providing stronger security at lower layers of the network stack for hosts connected to a network. It claims to reduce the attack vulnerability of a networked host by providing…

Networking and Internet Architecture · Computer Science 2008-12-18 Arun Kumar S P

Deep Neural Networks (DNNs) are high-value intellectual property (IP), yet deploying them to edge environments exposes them to \textbf{unrestricted oracle access}, rendering them vulnerable to model extraction and inversion attacks.…

Cryptography and Security · Computer Science 2026-05-18 Hanyu Pei , Shang Liu , Zeyan Liu

Alignment of large language models (LLMs) with human preferences typically relies on supervised reward models or external judges that demand abundant annotations. However, in fields that rely on professional knowledge, such as medicine and…

Artificial Intelligence · Computer Science 2025-11-18 Yiyang Zhao , Huiyu Bai , Xuejiao Zhao

Language Models (LMs) are becoming increasingly popular in real-world applications. Outsourcing model training and data hosting to third-party platforms has become a standard method for reducing costs. In such a situation, the attacker can…

Cryptography and Security · Computer Science 2024-12-05 Pengzhou Cheng , Zongru Wu , Wei Du , Haodong Zhao , Wei Lu , Gongshen Liu

We consider the point-to-point message passing model of communication in which there are $k$ processors with individual private inputs, each $n$-bit long. Each processor is located at the node of an underlying undirected graph and has…

Computational Complexity · Computer Science 2016-02-22 Arkadev Chattopadhyay , Sagnik Mukhopadhyay

Aligning large language models (LLMs) to preference data typically assumes a known link function between observed preferences and latent rewards (e.g., a logistic Bradley-Terry link). Misspecification of this link can bias inferred rewards…

Machine Learning · Computer Science 2026-02-03 Nathan Kallus

The literature on information flow security with respect to transitive policies has been concentrated largely on the case of policies with two security domains, High and Low, because of a presumption that more general policies can be…

Cryptography and Security · Computer Science 2016-07-12 Oliver Woizekowski , Ron van der Meyden

We present a novel multi-agent RL approach, Selective Multi-Agent Prioritized Experience Relay, in which agents share with other agents a limited number of transitions they observe during training. The intuition behind this is that even a…

Machine Learning · Computer Science 2024-04-25 Matthias Gerstgrasser , Tom Danino , Sarah Keren

Neural language models often struggle with low-resource languages due to the limited availability of training data, making tokens from these languages rare in the training set. This paper addresses a specific challenge during training: rare…

Computation and Language · Computer Science 2026-02-02 Galim Turumtaev

Preference alignment in Large Language Models (LLMs) has significantly improved their ability to adhere to human instructions and intentions. However, existing direct alignment algorithms primarily focus on relative preferences and often…

Machine Learning · Computer Science 2025-05-13 Shenao Zhang , Zhihan Liu , Boyi Liu , Yufeng Zhang , Yingxiang Yang , Yongfei Liu , Liyu Chen , Tao Sun , Zhaoran Wang

Deployment efficiency is an important criterion for many real-world applications of reinforcement learning (RL). Despite the community's increasing interest, there lacks a formal theoretical formulation for the problem. In this paper, we…

Machine Learning · Computer Science 2022-09-01 Jiawei Huang , Jinglin Chen , Li Zhao , Tao Qin , Nan Jiang , Tie-Yan Liu

Prompt-based learning is vulnerable to backdoor attacks. Existing backdoor attacks against prompt-based models consider injecting backdoors into the entire embedding layers or word embedding vectors. Such attacks can be easily affected by…

Computation and Language · Computer Science 2023-05-30 Kai Mei , Zheng Li , Zhenting Wang , Yang Zhang , Shiqing Ma

Proliferation of systems that generate enormous amounts of data and operate in real time has led researchers to rethink the current organization of the cloud. Many proposed solutions consist of a number of small data centers in the vicinity…

Cryptography and Security · Computer Science 2024-10-29 Tamara Ranković , Miloš Simić , Milan Stojkov , Goran Sladić

Application containers, such as Docker containers, have recently gained popularity as a solution for agile and seamless deployment of applications. These light-weight virtualization environments run applications that are packed together…

Cryptography and Security · Computer Science 2016-02-29 Vaibhav Rastogi , Drew Davidson , Lorenzo De Carli , Somesh Jha , Patrick McDaniel

Model Context Protocol (MCP) standardizes interface mapping for large language models (LLMs) to access external data and tools, which revolutionizes the paradigm of tool selection and facilitates the rapid expansion of the LLM agent tool…

Cryptography and Security · Computer Science 2025-11-12 Zihan Wang , Rui Zhang , Yu Liu , Wenshu Fan , Wenbo Jiang , Qingchuan Zhao , Hongwei Li , Guowen Xu
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