Results 21 to 30 of about 10,909,632 (287)
Distributed Management of Massive Data: an Efficient Fine-Grain Data Access Scheme [PDF]
, 2008 This paper addresses the problem of efficiently storing and accessing massive data blocks in a large-scale distributed environment, while providing efficient fine-grain access to data subsets.
A. Bassi +16 more
core +7 more sources
OOK-Assisted Adaptive Equalization and Timing Recovery for PAM4 Demodulation
IEEE Photonics Journal, 2018 In this paper, an OOK-assisted symbol timing recovery and adaptive equalization mechanism is proposed to facilitate the four-level pulse amplitude modulation (PAM4) signal demodulation.
Zhengxuan Li +5 more
doaj +1 more source
Effects of multi-mode physical stimulation on APP/PS1 Alzheimer's disease model mice
Heliyon, 2022 Some researchers and clinics have reported that non-drug treatments for Alzheimer disease (AD) such as electrical stimulation, light stimulation, music stimulation, laser stimulation, and transcranial magnetic stimulation may have beneficial treatment ...
Shupeng Liu +9 more
doaj +1 more source
Sensors, 2022 The transmission of a large amount of video and picture content brings more challenges to wireless communication networks. Unmanned aerial vehicle (UAV)-aided small cells with active content caching deployed on cellular networks are recognized as a ...
Yanzan Sun +5 more
doaj +1 more source
Ontology-based data access with databases: a short course [PDF]
, 2013 Ontology-based data access (OBDA) is regarded as a key ingredient of the new generation of information systems. In the OBDA paradigm, an ontology defines a high-level global schema of (already existing) data sources and provides a vocabulary for user ...
A. Artale +23 more
core +3 more sources
IEEE Photonics Journal, 2019 We propose a low-complexity and high-precision symbol synchronization algorithm based on dual-threshold amplitude decision for field programmable gate array-based real-time intensity modulation direct detection orthogonal frequency division multiplexing ...
Junjie Peng +6 more
doaj +1 more source
Permeation Effect Analysis of Drug Using Raman Spectroscopy for Iontophoresis
Applied Sciences, 2022 Iontophoresis technology could improve the efficiency of transdermal drug delivery through the skin and be a promising prospective tool for clinical drug therapy in the near future.
Jiachen Bi +5 more
doaj +1 more source
Timing Recovery Algorithm Selection for Duo-Binary Signal Used in Next Generation 25G-EPON
IEEE Photonics Journal, 2017 Low complexity and effective symbol timing recovery (STR) algorithm is a serious challenge for high speed NG-EPON system with 25 Gb/s serial bit-rate per channel. In this paper, the frequently used nonlinear function based timing algorithms
Junqi Xia +4 more
doaj +1 more source
From the principles of genomic data sharing to the practices of data access committees [PDF]
, 2015 Sharing genomic research data through controlled-access databases has increased in recent years. Policymakers and funding organizations endorse genomic data sharing in order to optimize the use of public funds and to increase the statistical power of ...
Borry, Pascal +2 more
core +1 more source
R-PEKS: RBAC Enabled PEKS for Secure Access of Cloud Data [PDF]
, 2019 In the recent past, few works have been done by combining attribute-based access control with multi-user PEKS, i.e., public key encryption with keyword search.
Asif, W. +4 more
core +3 more sources