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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,…

Cryptography and Security · Computer Science 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…

Computation and Language · Computer Science 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…

Neural and Evolutionary Computing · Computer Science 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…

Information Retrieval · Computer Science 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…

Programming Languages · Computer Science 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…

Cryptography and Security · Computer Science 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…

Databases · Computer Science 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…

Computation and Language · Computer Science 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…

Computation and Language · Computer Science 2025-08-21 Skatje Myers , Dmitriy Dligach , Timothy A. Miller , Samantha Barr , Yanjun Gao , Matthew Churpek , Anoop Mayampurath , Majid Afshar

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…

Machine Learning · Computer Science 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…

Computation and Language · Computer Science 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…

Information Retrieval · Computer Science 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…

Cryptography and Security · Computer Science 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…

Machine Learning · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Cryptography and Security · Computer Science 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…

Machine Learning · Computer Science 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…

Information Retrieval · Computer Science 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…

Information Retrieval · Computer Science 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…

Cryptography and Security · Computer Science 2026-01-14 Giovanni Gambigliani Zoccoli , Filip Valgimigli , Dario Stabili , Mirco Marchetti