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The pervasiveness of wireless communication recently gave mobile ad hoc networks (MANET) a significant researchers' attention, due to its innate capabilities of instant communication in many time and mission critical applications. However,…

密码学与安全 · 计算机科学 2007-05-23 Tomasz Ciszkowski , Zbigniew Kotulski

With contrastive pre-training, sentence encoders are generally optimized to locate semantically similar samples closer to each other in their embedding spaces. In this work, we focus on the potential of their embedding spaces to be readily…

计算与语言 · 计算机科学 2023-05-22 Jimin Hong , Jungsoo Park , Daeyoung Kim , Seongjae Choi , Bokyung Son , Jaewook Kang

A property of a recurrent neural network (RNN) is called \emph{extensional} if, loosely speaking, it is a property of the function computed by the RNN rather than a property of the RNN algorithm. Many properties of interest in RNNs are…

神经与进化计算 · 计算机科学 2024-10-31 Evgeny Dantsin , Alexander Wolpert

Recently emerged prompt-based Recommendation Language Models (RLM) can solve multiple recommendation tasks uniformly. The RLMs make full use of the inherited knowledge learned from the abundant pre-training data to solve the downstream…

信息检索 · 计算机科学 2024-02-02 Zelong Li , Jianchao Ji , Yingqiang Ge , Wenyue Hua , Yongfeng Zhang

We introduce a just-in-time runtime program transformation strategy based on repeated recursion unfolding. Our online program optimization generates several versions of a recursion differentiated by the minimal number of recursive steps…

编程语言 · 计算机科学 2025-11-05 Thom Fruehwirth

Propose-Test-Release (PTR) is a differential privacy framework that works with local sensitivity of functions, instead of their global sensitivity. This framework is typically used for releasing robust statistics such as median or trimmed…

密码学与安全 · 计算机科学 2022-09-19 Jiachen T. Wang , Saeed Mahloujifar , Shouda Wang , Ruoxi Jia , Prateek Mittal

Reachability queries ask whether there exists a path from the source vertex to the target vertex on a graph. Recently, several powerful reachability queries, such as Label-Constrained Reachability (LCR) queries and Regular Path Queries…

数据库 · 计算机科学 2025-11-04 Huihui Yang , Pingpeng Yuan

Reversible computations constitute an unconventional form of computing where any sequence of performed operations can be undone by executing in reverse order at any point during a computation. It has been attracting increasing attention as…

计算与语言 · 计算机科学 2023-06-22 Kamila Barylska , Anna Gogolińska

Electronic health records (EHRs) are long, noisy, and often redundant, posing a major challenge for the clinicians who must navigate them. Large language models (LLMs) offer a promising solution for extracting and reasoning over this…

Successful recurrent models such as long short-term memories (LSTMs) and gated recurrent units (GRUs) use ad hoc gating mechanisms. Empirically these models have been found to improve the learning of medium to long term temporal…

机器学习 · 计算机科学 2018-05-01 Corentin Tallec , Yann Ollivier

The efficient processing of long context poses a serious challenge for large language models (LLMs). Recently, retrieval-augmented generation (RAG) has emerged as a promising strategy for this problem, as it enables LLMs to make selective…

计算与语言 · 计算机科学 2025-02-18 Kun Luo , Zheng Liu , Peitian Zhang , Hongjin Qian , Jun Zhao , Kang Liu

Retrieval augmented generation (RAG) systems provide a method for factually grounding the responses of a Large Language Model (LLM) by providing retrieved evidence, or context, as support. Guided by this context, RAG systems can reduce…

信息检索 · 计算机科学 2025-09-05 Shakiba Amirshahi , Amin Bigdeli , Charles L. A. Clarke , Amira Ghenai

Recurrent neural networks (RNNs) have shown promising results in audio and speech processing applications due to their strong capabilities in modelling sequential data. In many applications, RNNs tend to outperform conventional models based…

密码学与安全 · 计算机科学 2017-09-25 Jagmohan Chauhan , Suranga Seneviratne , Yining Hu , Archan Misra , Aruna Seneviratne , Youngki Lee

We describe recurrent neural networks (RNNs), which have attracted great attention on sequential tasks, such as handwriting recognition, speech recognition and image to text. However, compared to general feedforward neural networks, RNNs…

机器学习 · 计算机科学 2018-01-16 Gang Chen

Recurrent neural networks (RNNs) with Long Short-Term memory cells currently hold the best known results in unconstrained handwriting recognition. We show that their performance can be greatly improved using dropout - a recently proposed…

计算机视觉与模式识别 · 计算机科学 2014-03-11 Vu Pham , Théodore Bluche , Christopher Kermorvant , Jérôme Louradour

This paper introduces an efficient and spontaneous privacy-preserving protocol for vehicular ad-hoc networks based on revocable ring signature. The proposed protocol has three appealing characteristics: First, it offers conditional…

密码学与安全 · 计算机科学 2009-09-10 Hu Xiong , Matei Ripeanu , Zhiguang Qin

Algorithmic recourse seeks to provide individuals with actionable recommendations that increase their chances of receiving favorable outcomes from automated decision systems (e.g., loan approvals). While prior research has emphasized…

机器学习 · 计算机科学 2026-02-03 Marina Ceccon , Alessandro Fabris , Goran Radanović , Asia J. Biega , Gian Antonio Susto

Existing retrieval-augmented code generation (RACG) methods typically use an external retrieval module to fetch semantically similar code snippets used for generating subsequent fragments. However, even for consecutive code fragments, the…

信息检索 · 计算机科学 2025-10-10 Qian Dong , Jia Chen , Qingyao Ai , Hongning Wang , Haitao Li , Yi Wu , Yao Hu , Yiqun Liu , Shaoping Ma

In product search, users tend to browse results on multiple search result pages (SERPs) (e.g., for queries on clothing and shoes) before deciding which item to purchase. Users' clicks can be considered as implicit feedback which indicates…

信息检索 · 计算机科学 2020-01-10 Keping Bi , Choon Hui Teo , Yesh Dattatreya , Vijai Mohan , W. Bruce Croft

This paper presents RADAR, a tracking algorithm for vehicles participating in Cooperative Intelligent Transportation Systems (C-ITS) that exploits multiple radio signals emitted by a modern vehicle to break privacy-preserving pseudonym…

密码学与安全 · 计算机科学 2026-01-14 Giovanni Gambigliani Zoccoli , Filip Valgimigli , Dario Stabili , Mirco Marchetti