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Optimizing steering of roaming traffic with a-number billing under a rolling horizon policy
(Springer, 2020)
In this study, we focus on single service steering international roaming traffic (SIRT) problem by considering telecommunication operators’ agreements and “a-number billing” while keeping service quality above a certain ...
A CART-based genetic algorithm for constructing higher accuracy decision trees
(SciTePress, 2020)
Decision trees are among the most popular classification methods due to ease of implementation and simple interpretation. In traditional methods like CART (classification and regression tree), ID4, C4.5; trees are constructed ...
Forecasting multivariate time-series data using LSTM and mini-batches
(Springer, 2020)
Multivariate time-series data forecasting is a challenging task due to nonlinear interdependencies in complex industrial systems. It is crucial to model these dependencies automatically using the ability of neural networks ...
Influence of heat treatment parameters on the functional behavior and corrosion performance of a shape memory wire actuator
(Trans Tech Publications Ltd, 2020-04)
In the present study, the effect of heat treatment parameters on the functional response, corrosion behavior and microstructural evolution of NiTi shape memory alloys were investigated. Various heat treatment regimes were ...
Channel modelling for light communications: Validation of ray tracing by measurements
(IEEE, 2020)
Light communications, also denoted as LiFi, is promising for future wireless indoor networks. For performance evaluation, the IEEE P802.15.13 and P802.11bb standardization groups agreed upon channel models based on ...
A flexible OLED VLC system for an office environment
(IEEE, 2020)
The potential use of flexible substrate-based organic light emitting diodes (OLEDs) as curved or rolled lighting sources offers news opportunities for the implementation of visible light communications (VLC) in indoor ...
BIM-based automated safety review for fall prevention
(Springer, 2020)
The construction industry is globally known as one of the most hazardous industries. Safety in construction is affected by many factors such as the behavior of workers, site conditions, the design and the implementation ...
Next-day operating room scheduling with uncertain surgery durations: Exact analysis and heuristics
(Elsevier, 2020-10-01)
Operating rooms are units of particular interest in hospitals as they constitute more than 40% of total expenses and revenues. Managing operating rooms is challenging due to conflicting priorities and preferences of various ...
Low-cost thin-film passive RFID circuits and detector system
(Cambridge University Press, 2020-06)
This paper discusses the design of chip-less RFID tags of a standard pocket size of 69 mm by 156 mm. These tags are based on lumped elements of copper metal traces constructed on a thin polyamide flexible substrate. Moreover, ...
A gradient descent based heuristic for solving regression clustering problems
(SciTePress, 2020)
Regression analysis is the method of quantifying the effects of a set of independent variables on a dependent variable. In regression clustering problems, the data points with similar regression estimates are grouped into ...
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