3,802 research outputs found

    Towards the fast and robust optimal design of Wireless Body Area Networks

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    Wireless body area networks are wireless sensor networks whose adoption has recently emerged and spread in important healthcare applications, such as the remote monitoring of health conditions of patients. A major issue associated with the deployment of such networks is represented by energy consumption: in general, the batteries of the sensors cannot be easily replaced and recharged, so containing the usage of energy by a rational design of the network and of the routing is crucial. Another issue is represented by traffic uncertainty: body sensors may produce data at a variable rate that is not exactly known in advance, for example because the generation of data is event-driven. Neglecting traffic uncertainty may lead to wrong design and routing decisions, which may compromise the functionality of the network and have very bad effects on the health of the patients. In order to address these issues, in this work we propose the first robust optimization model for jointly optimizing the topology and the routing in body area networks under traffic uncertainty. Since the problem may result challenging even for a state-of-the-art optimization solver, we propose an original optimization algorithm that exploits suitable linear relaxations to guide a randomized fixing of the variables, supported by an exact large variable neighborhood search. Experiments on realistic instances indicate that our algorithm performs better than a state-of-the-art solver, fast producing solutions associated with improved optimality gaps.Comment: Authors' manuscript version of the paper that was published in Applied Soft Computin

    Analisis Kadar Yodium pada Garam yang Diproduksi di Kecamatan Labakkang Kabupaten Pangkep

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    Iodized salt is salt that has been enriched with iodine which is very important for the body. Iodized which is used as consumption must comply with the Indonesian National Standard (SNI) that has been set. The purpose of this study was to determine the iodine content contained in salts produced in Labakkang District, Pangkep Regency in 2018. The type of research used was descriptive by giving an overview of iodine levels (KIO3) in salt with a population of all salt sellers in Labakkang District, Pangkep Regency using five samples with sampling techniques, namely purposive sampling conducted with qualitative tests and quantitative tests on August 24, 2018 at the Pharmacy Laboratory of the University of East Indonesia. The results of laboratory tests on iodine levels in salt with a qualitative test showed positive results in all samples and quantitative tests obtained iodine content that in sample C the iodine content was in accordance with SNI standards. In sample B and sample E approaching from the established SNI standard while in samples A and D are far below the SNI standard. Based on the results of the study, it can be concluded that iodine content in salts produced in Labakkang sub-district, Pangkep regency is only 1 sample that meets SNI standards, namely 30-80 ppm. &nbsp

    Globalization and the public realm

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    10.1080/13698230902892200Critical Review of International Social and Political Philosophy122297-31

    Theorizing the international rule of law

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    10.1017/S0260210508008085Review of International Studies343385-40

    Como echarle agua al mar : alteridades y distinciones en un movimiento de trabajadores desocupados

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    Este trabajo se inserta en una preocupación más general sobre la sociabilidad y politicidad en fracciones marginalizadas de la clase trabajadora que habitan barrios segregados del conurbano bonaerense. En esta ponencia revisamos la construcción identitaria en una cooperativa del Programa Argentina Trabaja ligada a un Movimiento de Trabajadores Desocupados, desde la experiencia de sus integrantes, interesados en las tensiones que atraviesan su constitución.Fil: Nardin, Santiago. Consejo Nacional de Investigaciones Científicas y Técnica

    Middle-ground ethics: can one be politically realistic without being a political realist?

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    Ethics and International Affairs2511-1

    Rare Variant of Porokeratosis: A Case Report

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    There are 5 clinically distinct variants of porokeratosis, including classic porokeratosis of Mibelli, disseminated superficial (actinic) porokeratosis, linear porokeratosis, punctate porokeratosis, and porokeratosis palmaris et plantaris disseminate. Porokeratosis ptychotropica (PP) is the sixth, lesser-known variant of the spectrum. PP is characterized by verrucous plaques, often resembling psoriasis plaques, that affect the buttocks, most commonly the gluteal cleft, and can also involve the extremities, most commonly the lower legs and feet. Due to its characteristic verrucous appearance, designations such as verrucous or hyperkeratotic porokeratosis are occasionally used. Besides its predilection for specific locations, PP also has a significant predilection for men versus women. This rare variant of porokeratosis can mimic the morphology and symptomology of other diseases at first glance. Education about the presentation of porokeratosis ptychotropica and its addition to the list of commonly described variants can help mitigate its frequent misdiagnosis, reducing treatment failure and unnecessary testing

    Innovative Signal Processing Solutions for Next-Generation Satellite Navigation Systems

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    L'abstract è presente nell'allegato / the abstract is in the attachmen
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