Using Feature Models for Distributed Deployment in Extended Smart Home Architecture

Nowadays, smart home is extended beyond the house itself to encompass connected platforms on the Cloud as well as mobile personal devices. This Smart Home Extended Architecture (SHEA) helps customers to remain in touch with their home everywhere and any time. The endless increase of connected devices in the home and outside within the SHEA multiplies the deployment possibilities for any application. Therefore, SHEA should be taken from now as the actual target platform for smart home application deployment. Every home is different and applications offer different services according to customer preferences. To manage this variability, we extend the feature modeling from software product line domain with deployment constraints and we present an example of a model that could address this deployment challenge

Higher Coxeter graphs associated to affine su(3) modular invariants

The affine $su(3)$ modular invariant partition functions in 2d RCFT are associated with a set of generalized Coxeter graphs. These partition functions fall into two classes, the block-diagonal (Type I) and the non block-diagonal (Type II) cases, associated, from spectral properties, to the subsets of subgroup and module graphs respectively. We introduce a modular operator $\hat{T}$ taking values on the set of vertices of the subgroup graphs. It allows us to obtain easily the associated Type I partition functions. We also show that all Type II partition functions are obtained by the action of suitable twists $\vartheta$ on the set of vertices of the subgroup graphs. These twists have to preserve the values of the modular operator $\hat{T}$.Comment: Version 2. Abstract, introduction and conclusion rewritten, references added. 36 page

Distribution modeling, soil properties, and variation in essential oils chemical composition of Rhanterium adpressum Coss. & Dur.

Modeling the distribution of Rhanterium adpressum, an endemic species from southwestern Algeria, and the interactions of soil’s chemical properties with the variability of chemical composition of its essential oils makes the objective of this study. Obtained MaxEnt model (AUC = 0.98) showed that the general distribution of genus Rhanterium established mainly by the contribution of eight bioclimatic variables derived from temperature and precipitation (90.5%). Projection of the model in future conditions until 2070 reveals that the habitats of this species will be very affected by climate changes. The analysis of 9 soil samples shows a sandy (77–96%), alkaline, and calcareous character with an electrical conductivity between 0.2 and 1.8 dS/m at 20°C. The chemical composition of terpenoids families during a period of 5 months was dominated by monoterpene hydrocarbons (70–90%) followed by oxygen monoterpenes (4.5–9.2%), hydrocarbon sesquiterpenes (1.6–9.9%), and oxygenated sesquiterpenes (4.3–7.2%). The variation of this composition in relation with phenological cycle and physicochemical properties of the soil was discussed

Proposals for the updating of the Algerian marine engineering education and training system

The subject of this paper is to give an overview of the Algerian Maritime Education and Training (MET) system and how to update it. The results of new technological developments in shipboard applications will considerably affect the actual role of the marine engineers. Adjustments in MET of many developed countries have been \u27 made to suit the needs of shipowners to stay competitive internationally. The experience of such MET systems can be used as a guideline to suit the needs of one\u27s country. The marine engineer of the future must possess the required skills and knowledge to be able to operate safely and efficiently the highest automated ships of the future. It is essential that his education and training must be adapted to suit the requirements of new technologies used on board ships. In my paper I have described the actual structure of the Algerian MET system and the training facilities at the Maritime Institute. An emphasis has been put forward on few MET systems adopted in some developed countries. The final section of the paper provides the reader with proposed solutions for the updating of the Marine Engineer Education and Training courses with regard to technological changes and the International requirements

Designing a Project Management Integrated System

The assurance of a good project tracking from the analysis of his opportunity until its realization is the basic condition for its success. This tracking requires making available, the project manager or PMO, of a variety of tools that support the managerial activity and optimize the time available to management. The purpose of this study is to define a project management system that integrates twelve management functionalities (planning, project portfolio management, Content Management, collaboration platform, issues management, deliverables management, resource management, Change management, Configuration management, Workflow Management, Electronic document management and Satisfaction surveys). Thus, final system will integrate, in addition to the key features found in existing project management software, five additional functionalities and a specific additional module of portfolio management to support multi-criteria analysis projects and maturity assessment of project management

VALUING THE URBAN SPACE ACCORDING TO THE REHABILITATION OF GREEN SPACES

The nations of the ancient world paid special attention to the vegetation cover, and made it units of different dimensions and different arrangements, and various types of life sciences, engineering, and art were used for these units. Nature, fresh air and spacious spaces. Algerian cities in general, and their residential neighbourhoods in particular, know many aspects of deterioration, especially those associated with the preparation of external areas, foremost of which is the apparent lack of creation of green spaces within urban areas. Al-Bayadh, like other Algerian cities, complains of most of its residential neighborhoods of a complete absence of prepared green spaces, while the remaining neighborhoods contain green spaces in a deteriorating condition

Evaluation of the performance and degradation of crystalline silicon-based photovoltaic modules in the Saharan environment

© . This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/The aim of this paper is to present three years of an evaluation of the performance and degradation rate of three different crystalline silicon-based photovoltaic (PV) modules in the Saharan environment. The PV modules are: mc-Si (multi-crystalline), c_Si (mono-crystalline, back contacted) and HiT (heterojunction with intrinsic thin-layer); they are installed in Saida which is located at the proximity of Algeria’s Sahara. Two methods were used to calculate the degradation rate; the effective peak power of the PV modules and the temperature corrected performance ratio. It was found that the HIT technology performs worse than the other technologies with the highest degradation rate, ranging from -1.53%/year to -1.92%/year. The mc_Si PV and c_Si PV module technologies present a lower degradation rate than the HIT technology in the range of -0.74%/year to -0.83%/year and -0.58%/year to -0.79%/year respectively.Peer ReviewedPostprint (author's final draft