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An ECDSA Approach to Access Control in Knowledge Management Systems Using Blockchain
Information (Switzerland) - Tập 11 Số 2 - Trang 111
Gabriel Nyame, Zhiguang Qin, Kwame Opuni-Boachie Obour Agyekum, Emmanuel Boateng Sifah
Access control has become problematic in several organizations because of the difficulty in establishing security and preventing malicious users from mimicking roles. Moreover, there is no flexibility among users in the participation in their roles, and even controlling them. Several role-based access control (RBAC) mechanisms have been proposed to alleviate these problems, but the securit...... hiện toàn bộ
Understanding the Blockchain Oracle Problem: A Call for Action
Information (Switzerland) - Tập 11 Số 11 - Trang 509
Giulio Caldarelli
Scarce and niche in the literature just a few years ago, the blockchain topic is now the main subject in conference papers and books. However, the hype generated by the technology and its potential implications for real-world applications is flawed by many misconceptions about how it works and how it is implemented, creating faulty thinking or overly optimistic expectations. Too often, cha...... hiện toàn bộ
ANFIS Based Time Series Prediction Method of Bank Cash Flow Optimized by Adaptive Population Activity PSO Algorithm
Information (Switzerland) - Tập 6 Số 3 - Trang 300-313
Jie-Sheng Wang, Chen-Xu Ning
In order to improve the accuracy and real-time of all kinds of information in the cash business, and solve the problem which accuracy and stability is not high of the data linkage between cash inventory forecasting and cash management information in the commercial bank, a hybrid learning algorithm is proposed based on adaptive population activity particle swarm optimization (APAPSO) algori...... hiện toàn bộ
Modeling of Experimental Adsorption Isotherm Data
Information (Switzerland) - Tập 6 Số 1 - Trang 14-22
Xunjun Chen
Adsorption is considered to be one of the most effective technologies widely used in global environmental protection areas. Modeling of experimental adsorption isotherm data is an essential way for predicting the mechanisms of adsorption, which will lead to an improvement in the area of adsorption science. In this paper, we employed three isotherm models, namely: Langmuir, Freundlich, and ...... hiện toàn bộ
Performance Investigation of Peak Shrinking and Interpolating the PAPR Reduction Technique for LTE-Advance and 5G Signals
Information (Switzerland) - Tập 11 Số 1 - Trang 20
Somayeh Mohammady, Ronan Farrell, David Malone, John Dooley
Orthogonal frequency division multiplexing (OFDM) has become an indispensable part of waveform generation in wideband digital communication since its first appearance in digital audio broadcasting (DAB) in Europe in 1980s, and it is indeed in use. As has been seen, the OFDM based waveforms work well with time division duplex operation in new radio (NR) systems in 5G systems, supporting del...... hiện toàn bộ
SOPHIA: An Event-Based IoT and Machine Learning Architecture for Predictive Maintenance in Industry 4.0
Information (Switzerland) - Tập 11 Số 4 - Trang 202
Matteo Calabrese, Martin Cimmino, Francesca Fiume, Martina Manfrin, Luca Romeo, Silvia Ceccacci, Marina Paolanti, Giuseppe Toscano, Giovanni Ciandrini, Alberto Carrotta, Maura Mengoni, Emanuele Frontoni, Dimos Kapetis
Predictive Maintenance (PdM) is a prominent strategy comprising all the operational techniques and actions required to ensure machine availability and to prevent a machine-down failure. One of the main challenges of PdM is to design and develop an embedded smart system to monitor and predict the health status of the machine. In this work, we use a data-driven approach based on machine lear...... hiện toàn bộ
Supervised Learning Models for the Preliminary Detection of COVID-19 in Patients Using Demographic and Epidemiological Parameters
Information (Switzerland) - Tập 13 Số 7 - Trang 330
Aditya Pradhan, Srikanth Prabhu, Krishnaraj Chadaga, Saptarshi Sengupta, Gopal Nath
The World Health Organization labelled the new COVID-19 breakout a public health crisis of worldwide concern on 30 January 2020, and it was named the new global pandemic in March 2020. It has had catastrophic consequences on the world economy and well-being of people and has put a tremendous strain on already-scarce healthcare systems globally, particularly in underdeveloped countries. Ove...... hiện toàn bộ
Text Classification Algorithms: A Survey
Information (Switzerland) - Tập 10 Số 4 - Trang 150
Kamran Kowsari, Kiana Jafari Meimandi, Mojtaba Heidarysafa, Sanjana Mendu, Laura L. Barnes, Donald E. Brown
In recent years, there has been an exponential growth in the number of complex documents and texts that require a deeper understanding of machine learning methods to be able to accurately classify texts in many applications. Many machine learning approaches have achieved surpassing results in natural language processing. The success of these learning algorithms relies on their capacity to ...... hiện toàn bộ
A Survey on Information Diffusion in Online Social Networks: Models and Methods
Information (Switzerland) - Tập 8 Số 4 - Trang 118
Mei Li, Xiang Wang, Kai Gao, Shanshan Zhang
By now, personal life has been invaded by online social networks (OSNs) everywhere. They intend to move more and more offline lives to online social networks. Therefore, online social networks can reflect the structure of offline human society. A piece of information can be exchanged or diffused between individuals in social networks. From this diffusion process, lots of latent information...... hiện toàn bộ
Precipitation Data Assimilation System Based on a Neural Network and Case-Based Reasoning System
Information (Switzerland) - Tập 9 Số 5 - Trang 106
Jing Lu, Wei Hu, Xiakun Zhang
There are several methods to forecast precipitation, but none of them is accurate enough since predicting precipitation is very complicated and influenced by many factors. Data assimilation systems (DAS) aim to increase the prediction result by processing data from different sources in a general way, such as a weighted average, but have not been used for precipitation prediction until now....... hiện toàn bộ
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