A review of smart home applications based on Internet of Things

In this survey, we revisit the Rothaus paper and the chapter of Dillon's thesis dedicated to bent functions, and we describe the main results obtained on these functions during these last 40 years. We also cover more briefly super-classes of Boolean functions, vectorial bent functions and bent functions in odd characteristic.

Four decades of research on bent functions

Although there has been a fair amount of research in the area of school timetabling, this domain has not developed as well as other fields of educational timetabling such as university course and examination timetabling This can possibly be attributed to the fact that the studies in this domain have generally been conducted in isolation of each other and have addressed different school timetabling problems Furthermore, there have been no comparative studies on the success of different methodologies on a variety of school timetabling problems As a way forward this paper provides an overview of the research conducted in this domain, details of problem sets which are publicly available and proposes areas for further research in school timetabling

A survey of school timetabling research

The Internet of Things (IoT) has emerged as a technology capable of connecting heterogeneous nodes/objects, such as people, devices, infrastructure, and makes our daily lives simpler, safer, and fruitful. Being part of a large network of heterogeneous devices, these nodes are typically resource-constrained and became the weakest link to the cyber attacker. Classical encryption techniques have been employed to ensure the data security of the IoT network. However, high-level encryption techniques cannot be employed in IoT devices due to the limitation of resources. In addition, node security is still a challenge for network engineers. Thus, we need to explore a complete solution for IoT networks that can ensure nodes and data security. The rule-based approaches and shallow and deep machine learning algorithms– branches of Artificial Intelligence (AI)– can be employed as countermeasures along with the existing network security protocols. This paper presented a comprehensive layer-wise survey on IoT security threats, and the AI-based security models to impede security threats. Finally, open challenges and future research directions are addressed for the safeguard of the IoT network.

/pdf/security-threats-and-artificial-intelligence-based-2qjruosllv.pdf

Security Threats and Artificial Intelligence Based Countermeasures for Internet of Things Networks: A Comprehensive Survey

pdf/an-exploration-of-iot-platform-development-1j5f57520s.pdf

An exploration of IoT platform development

With the goal of relieving the Internet of things (IoT)application designers of the complexities and heterogeneity of wireless sensory networks (WSNs), devices, communication media, protocols and operating systems, the development of higher level domain specific language has been undertaken The result is DSL-4-IoT Editor-Designer, which is based on high level visual programming language, established on the class of visual domain specific modeling languages (VDSMLs) DSL-4-IoT is using formal presentations and abstract syntax in a metamodel The visual front-end of the Editor has been developed in JavaScript language The runtime execution of generated IoT application configuration files is done by the open source project “OpenHAB” runtime engine In order to demonstrate the viability and usability of the developed DSL-4-IoT visual model based language, an experimental IoT testbed including 15 heterogeneous wireless sensory devices spanning two application domain (smart home and remote patient monitoring), has been designed and deployed

Design of a domain specific language and IDE for Internet of things applications

Although there are many attempts to engineer a domain specific language for the Internet of Things, most of them forget the fact that with the evolving of the Internet of Things, the end user will probably be a common person without an engineering or software development background. The designers of the UML had the same problem: how to make a language powerful enough for the professionals, but at the same time simple enough to be understood by a non-technical end user that gives the requirements. Inspired by this idea a Visual Domain Specific Modeling Language was developed for the IoT and proved that it is powerful enough for the professional and at the same time simple enough to be used by non-technical users.

An Internet of Things visual domain specific modeling language based on UML

With this paper we presented architectural redesign of SOA (service oriented architecture) integration platform by following principles of microservices design. Presented SOA platform is currently in use for Real estate sector. Number of messages which need to be processed by platform is growing as well as number of new integrations which requires redesign of platform. Redesign should provide ability for scalability, better resource management, maintenance and deployment. To support this, it is necessary to transform integration platform to be microservices based.

Monolithic to microservices redesign of event driven integration platform

In this paper, we propose one model for high school timetable generation, which uses two-phase linear integer programming to solve the problem. This reduces the required computation time, by decomposing the problem to determine the day and then, in the second phase, to generate a daily schedule. The approach was demonstrated on a test problem, and the results for various settings of the model parameters are presented.

A two phase integer linear programming approach to solving the school timetable problem

To identify and specify trace bent functions of the form \(Tr(P(x))\) , where \(P(x) \in {\mathbb F} _{2^n}[x]\) , has been an important research topic lately. We characterize a class of vectorial (hyper)bent functions of the form \(F(x)=Tr_k^n(\sum _{i=0}^{2^k}a_ix^{i(2^k-1)})\) , where \(n=2k\) , in terms of finding an explicit expression for the coefficients \(a_i\) so that \(F\) is vectorial hyperbent. These coefficients only depend on the choice of the interpolating polynomial used in the Lagrange interpolation of the elements of \(\mathcal {U}\) and some prespecified outputs, where \(\mathcal {U}\) is the cyclic group of \((2^{n/2}+1)\) th roots of unity in \( {\mathbb F}_{2^n}\) . We show that these interpolation polynomials can be chosen in exactly \((2^k+1)!2^{k-1}\) ways and this is the exact number of vectorial hyperbent functions of the form \(Tr^n_k(\sum _{i=0}^{2^k}a_ix^{i(2^k-1)})\) . Furthermore, a simple optimization method is proposed for selecting the interpolation polynomials that give rise to trace polynomials with a few nonzero coefficients.

Vectorial Hyperbent Trace Functions From the \(\mathcal {PS}_{\rm ap}\) Class—Their Exact Number and Specification

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