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Huge diagrams have unique properties for organizations and research, such as client linkages in informal organizations and customer evaluation lattices in social channels. They necessitate a lot of financial assets to maintain because they…

密码学与安全 · 计算机科学 2023-04-24 D. Selvaraj , S. M. Udhaya Sankar , D. Dhinakaran , T. P. Anish

Counting the fraction of a population having an input within a specified interval i.e. a \emph{range query}, is a fundamental data analysis primitive. Range queries can also be used to compute other interesting statistics such as…

数据库 · 计算机科学 2019-01-01 Tejas Kulkarni , Graham Cormode , Divesh Srivastava

Nowadays companies are increasingly adopting the technology ofcloud computing. This technology is subject to a lot of research and continuousadvances are made. The use of cloud computing in the companies advantagessuch as: reducing costs,…

Blockchains provide environments where parties can interact transparently and securely peer-to-peer without needing a trusted third party. Parties can trust the integrity and correctness of transactions and the verifiable execution of…

密码学与安全 · 计算机科学 2023-03-02 Simon Tschirner , Shashank Shekher Tripathi , Mathias Roeper , Markus M. Becker , Volker Skwarek

Modern cloud computing platforms based on virtual machine monitors carry a variety of complex business that present many network security vulnerabilities. At present, the traditional architecture employs a number of security devices at…

密码学与安全 · 计算机科学 2014-05-06 Jin He , Mianxiong Dong , Kaoru Ota , Minyu Fan , Guangwei Wang

Individuals and organizations tend to migrate their data to clouds, especially in a DataBase as a Service (DBaaS) pattern. The major obstacle is the conflict between secrecy and utilization of the relational database to be outsourced. We…

数据库 · 计算机科学 2017-08-29 Xiaofei Wang , Qianhong Wu , Yuqing Zhang

Data encryption limits the power and efficiency of queries. Direct processing of encrypted data should ideally be possible to avoid the need for data decryption, processing, and re-encryption. It is vital to keep the data searchable and…

密码学与安全 · 计算机科学 2022-10-03 Maryam Almarwani , Boris Konev , Alexei Lisitsa

With the help of a shared pool of reconfigurable computing resources, clients of the cloud-based model can keep sensitive data remotely and access the apps and services it offers on-demand without having to worry about maintaining and…

密码学与安全 · 计算机科学 2023-04-25 S. M. Udhaya Sankar , D. Selvaraj , G. K. Monica , Jeevaa Katiravan

In recent years, there is an emerging trend that some computing services are moving from cloud to the edge of the networks. Compared to cloud computing, edge computing can provide services with faster response, lower expense, and more…

分布式、并行与集群计算 · 计算机科学 2020-06-30 Jinyue Song , Tianbo Gu , Yunjie Ge , Prasant Mohapatra

Cloud computing is a complex infrastructure of software, hardware, processing, and storage that is available as a service. Cloud computing offers immediate access to large numbers of the world's most sophisticated supercomputers and their…

密码学与安全 · 计算机科学 2013-03-07 Sugata Sanyal , Parthasarathy P. Iyer

A growing number of devices and services collect detailed time series data that is stored in the cloud. Protecting the confidentiality of this vast and continuously generated data is an acute need for many applications in this space. At the…

密码学与安全 · 计算机科学 2020-03-16 Lukas Burkhalter , Anwar Hithnawi , Alexander Viand , Hossein Shafagh , Sylvia Ratnasamy

Side-channel information leakage is a known limitation of SGX. Researchers have demonstrated that secret-dependent information can be extracted from enclave execution through page-fault access patterns. Consequently, various recent research…

密码学与安全 · 计算机科学 2017-02-27 Ferdinand Brasser , Urs Müller , Alexandra Dmitrienko , Kari Kostiainen , Srdjan Capkun , Ahmad-Reza Sadeghi

Storing data in the cloud poses a number of privacy issues. A way to handle them is supporting data replication and distribution on the cloud via a local, centrally synchronized storage. In this paper we propose to use an in-memory RDBMS…

密码学与安全 · 计算机科学 2011-09-19 Francesco Pagano , Davide Pagano

The Domain Name System (DNS) does not provide query privacy. Query obfuscation schemes have been proposed to overcome this limitation, but, so far, they have not been evaluated in a realistic setting. In this paper we evaluate the security…

密码学与安全 · 计算机科学 2016-03-23 Dominik Herrmann , Max Maaß , Hannes Federrath

In todays security landscape, every user wants to access large amounts of data with confidentiality and authorization. To maintain confidentiality, various researchers have proposed several techniques. However, to access secure data,…

密码学与安全 · 计算机科学 2025-12-29 Keshav Sinha , Sumitra , Richa Kumari , Akashdeep Bhardwaj , Shawon Rahman

In this paper, we propose new location privacy preserving schemes for database-driven cognitive radio networks that protect secondary users' (SUs) location privacy while allowing them to learn spectrum availability in their vicinity. Our…

网络与互联网体系结构 · 计算机科学 2018-06-12 Mohamed Grissa , Attila A. Yavuz , Bechir Hamdaoui

Due to the increasing demand for cloud services and the threat of privacy invasion, the user is suggested to encrypt the data before it is outsourced to the remote server. The safe storage and efficient retrieval of d-dimensional data on an…

数据库 · 计算机科学 2017-10-27 Eirini Molla , Theodoros Tzouramanis , Stefanos Gritzalis

Deep neural networks are increasingly being used in a variety of machine learning applications applied to rich user data on the cloud. However, this approach introduces a number of privacy and efficiency challenges, as the cloud operator…

计算机视觉与模式识别 · 计算机科学 2017-10-13 Seyed Ali Osia , Ali Shahin Shamsabadi , Ali Taheri , Kleomenis Katevas , Hamid R. Rabiee , Nicholas D. Lane , Hamed Haddadi

The vast storage capacity and computational power of cloud servers have led to the widespread outsourcing of machine learning inference services. While offering significant operational benefits, this practice also introduces privacy risks,…

密码学与安全 · 计算机科学 2025-07-22 Shuai Yuan , Hongwei Li , Xinyuan Qian , Guowen Xu

Privacy of the outsourced data is one of the major challenge.Insecurity of the network environment and untrustworthiness of the service providers are obstacles of making the database as a service.Collection and storage of personally…

密码学与安全 · 计算机科学 2015-03-02 Divya G. Nair , V. P. Binu , G. Santhosh Kumar