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Retrieval-augmented generation (RAG) systems are increasingly used to analyze complex policy documents, but achieving sufficient reliability for expert usage remains challenging in domains characterized by dense legal language and evolving,…

计算与语言 · 计算机科学 2026-03-26 Saahil Mathur , Ryan David Rittner , Vedant Ajit Thakur , Daniel Stuart Schiff , Tunazzina Islam

Normalized relations extended with inherited attributes can be more faithful to reality and support logical navigation free queries, properties available at present only through specific views. Adding inherited attributes can be nonetheless…

数据库 · 计算机科学 2019-12-19 Witold Litwin

Policy optimization methods remain a powerful workhorse in empirical Reinforcement Learning (RL), with a focus on neural policies that can easily reason over complex and continuous state and/or action spaces. Theoretical understanding of…

机器学习 · 计算机科学 2021-03-23 Fei Feng , Wotao Yin , Alekh Agarwal , Lin F. Yang

A key challenge in leveraging data augmentation for neural network training is choosing an effective augmentation policy from a large search space of candidate operations. Properly chosen augmentation policies can lead to significant…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Daniel Ho , Eric Liang , Ion Stoica , Pieter Abbeel , Xi Chen

Particle accelerator beamline optimization is a high-dimensional control problem traditionally requiring significant expert intervention. We present RLABC (Reinforcement Learning for Accelerator Beamline Control), an open-source Python…

机器学习 · 计算机科学 2026-04-22 Anwar Ibrahim , Fedor Ratnikov , Maxim Kaledin , Alexey Petrenko , Denis Derkach

As search depth increases in autonomous reasoning and embodied planning, candidate action spaces expand exponentially, often exhausting computational budgets. While heuristic pruning is a critical countermeasure, existing approaches lack…

机器学习 · 计算机科学 2026-05-12 Tianhao Qian

In recent years, there has been a lot of interest in the field of keyword querying relational databases. A variety of systems such as DBXplorer [ACD02], Discover [HP02] and ObjectRank [BHP04] have been proposed. Another such system is…

数据库 · 计算机科学 2011-04-25 Nitin Gupta

Role Based Access Control (RBAC) is a very popular access control model, for long time investigated and widely deployed in the security architecture of different enterprises. To implement RBAC, roles have to be firstly identified within the…

密码学与安全 · 计算机科学 2015-03-20 Carlo Blundo , Stelvio Cimato

Relation extraction (RE) is a fundamental task in natural language processing, aiming to identify relations between target entities in text. While many RE methods are designed for a single sentence or document, cross-document RE has emerged…

计算与语言 · 计算机科学 2024-06-03 Byeonghu Na , Suhyeon Jo , Yeongmin Kim , Il-Chul Moon

Recently, the cyclic association rules have been introduced in order to discover rules from items characterized by their regular variation over time. In real life situations, temporal databases are often appended or updated. Rescanning the…

数据库 · 计算机科学 2015-06-01 Eya ben Ahmed , Mohamed Salah Gouider

The combination of Large Language Models (LLMs), systematic evaluation, and evolutionary algorithms has enabled breakthroughs in combinatorial optimization and scientific discovery. We propose to extend this powerful combination to the…

人工智能 · 计算机科学 2026-03-12 Carlo Bosio , Mark W. Mueller

Administrative role-based access control (ARBAC) is the first comprehensive administrative model proposed for role-based access control (RBAC). ARBAC has several features for designing highly expressive policies, but current work has not…

密码学与安全 · 计算机科学 2011-10-14 Karthick Jayaraman , Vijay Ganesh , Mahesh Tripunitara , Martin C Rinard , Steve J. Chapin

Biases in existing datasets used to train algorithmic decision rules can raise ethical and economic concerns due to the resulting disparate treatment of different groups. We propose an algorithm for sequentially debiasing such datasets…

机器学习 · 计算机科学 2023-01-11 Yifan Yang , Yang Liu , Parinaz Naghizadeh

Data mining is wide spreading its applications in several areas. There are different tasks in mining which provides solutions for wide variety of problems in order to discover knowledge. Among those tasks association mining plays a pivotal…

数据库 · 计算机科学 2015-06-24 Sudhir Tirumalasetty , Aruna Jadda , Sreenivasa Reddy Edara

This paper introduces BeaCon, a novel tool for the automated generation of adjustable container security policies. Unlike prior approaches, BeaCon leverages dynamic analysis to simulate realistic environments, uncovering container execution…

密码学与安全 · 计算机科学 2025-12-02 Haney Kang , Eduard Marin , Myoungsung You , Diego Perino , Seungwon Shin , Jinwoo Kim

Attribute-based Access Control (ABAC) extends traditional Access Control by considering an access request as a set of pairs attribute name-value, making it particularly useful in the context of open and distributed systems, where security…

密码学与安全 · 计算机科学 2013-06-21 Andreas Griesmayer , Charles Morisset

Role-based access control (RBAC) models have generated a great interest in the security community as a powerful and generalized approach to security management and ability to model organizational structure and their capability to reduce…

分布式、并行与集群计算 · 计算机科学 2013-12-03 Mamoon Rashid , Er. Rishma Chawla

A data-based policy for iterative control task is presented. The proposed strategy is model-free and can be applied whenever safe input and state trajectories of a system performing an iterative task are available. These trajectories,…

系统与控制 · 计算机科学 2019-03-22 Ugo Rosolia , Xiaojing Zhang , Francesco Borrelli

Argument mining (AM) is the process of automatically extracting arguments, their components and/or relations amongst arguments and components from text. As the number of platforms supporting online debate increases, the need for AM becomes…

计算与语言 · 计算机科学 2024-02-20 Deniz Gorur , Antonio Rago , Francesca Toni

The policy gradient approach is a flexible and powerful reinforcement learning method particularly for problems with continuous actions such as robot control. A common challenge in this scenario is how to reduce the variance of policy…

机器学习 · 计算机科学 2013-01-18 Tingting Zhao , Hirotaka Hachiya , Voot Tangkaratt , Jun Morimoto , Masashi Sugiyama