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  • Rural Digital Europe
  • 2013-2022

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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Mark G, Kibblewhite; Sudhir, Prakash; Mridul, Hazarika; Paul J, Burgess; +1 Authors

    AbstractStrong growth in the demand for tea requires further increases in the productivity of plantations. Declining or stagnant yields are commonly observed in older plantations. Possible controlling factors for yield decline are reviewed including ageing of plants, chronic disease and sub‐optimal soil conditions such as excess soil acidity and low soil organic matter. Management options for addressing these factors are evaluated, including replanting. A systematic approach to decision‐making about replanting is presented. Practice for replanting is reviewed and it is concluded that evidence to support a general case for replanting is limited, unless based on the introduction of more productive clones and/or better plant spacing. © 2013 Society of Chemical Industry

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of the Scien...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Journal of the Science of Food and Agriculture
    Article . 2014 . Peer-reviewed
    License: Wiley Online Library User Agreement
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of the Scien...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Journal of the Science of Food and Agriculture
      Article . 2014 . Peer-reviewed
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Díaz Santiso, Borja;

    [Abstract]: The primary sector (and the natural resources that it uses) have always been such important and interesting for the economic study and for the development of the Galician economy too. On the other hand, Castelao is one of the most outstanding personalities in Galicia’s history and his book, Sempre en Galiza is one of the most recognized essays written in Galician. In this essay, Castelao studies the situation of the use of Galicia’s natural resourses and the need to make changes to improve their use. However, the present work is not restricted to Castelao's thought; rather starting from his economic thought and supported by contributions from previous and contemporary economists to Castelao, it is sought to develop an analysis of Galician thought of the 20th century on the use of Galicia’s natural resourses. From Castelao to Beiras. From Paz Andrade to Touriño, Leiceaga and González Laxe. Livestock, agriculture and fishing. Land and sea. [Resumo]: O sector primario (e os recursos naturais que este emprega) sempre foron moi importantes e interesantes para o seu estudo económico e por ende, para o desenvolvemento da economía galega. Por outra banda, Castelao é unha das personalidades máis destacadas da historia de Galicia e o seu libro, Sempre en Galiza é dos ensaios máis recoñecidos escritos en lingua galega. Neste ensaio, Castelao xa analiza a situación do emprego dos recursos naturais de Galicia e na necesidade de realizar cambios para mellorar o seu uso. Porén, o presente traballo non se restrinxe ao pensamento de Castelao; senón que tomando como base o seu ideario e apoiándose en aportacións de economistas precedentes e coetáneos ao rianxeiro, búscase elaborar unha análise do pensamento galego do século XX encol do emprego dos recursos naturais en Galicia. De Castelao a Beiras. De Paz Andrade a Touriño, Leiceaga e González Laxe. Gandaría, agricultura e pesca. Terra e mar. Traballo fin de grao (UDC.ECO). Turismo - Ciencias empresariais. Curso 2019/20

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: RAMOS, M. Y.; GARAGORRY, F. L.;

    Este artigo examina a distribuição espacial e a dinâmica da produção agropecuária da região do MATOPIBA, Brasil, usando técnicas de natureza visual e quantitativa. Utilizou-se a análise de redes, para modelar a estrutura produtiva da região, para anos selecionados do período de 1990 a 2012, e o conceito matemático de distância para medir a intensidade das mudanças interanuais. Consideraram-se 65 produtos cuja produção está estabelecida em ao menos uma das 31 microrregiões componentes. Os resultados indicam a coexistência de distintos perfis produtivos na região que foram se diferenciando ao longo do período analisado, embora tenha persistido um núcleo relativamente estável de microrregiões que compartilham a produção de itens dos domínios da pecuária e dos produtos da pecuária. Esses resultados mostram, também, o uso da modelagem com redes como técnica analítica válida nos estudos regionais sobre agricultura. Made available in DSpace on 2019-11-18T18:08:53Z (GMT). No. of bitstreams: 1 Mudancasespaciaisnaproducaoagropecuaria.pdf: 2923279 bytes, checksum: 04e25ba8208b8c8f4d398eb7b5d8265a (MD5) Previous issue date: 2019 Título em inglês: Spatial changes in the agricultural production of the MATOPIBA region, Brazil: an application of the network analysis.

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    Authors: Illés, Árpád; Bojtor, Csaba; Mousavi, Seyed Mohammad Nasir; Széles, Adrienn; +3 Authors

    Studies on physiological and biochemical processes in crops are highly relevant for breeders to produce hybrids with high yield. Two different maturity groups of maize hybrids were tested in this study. The research site was located at the Látókép Experimental Station of the University of Debrecen and the experiment lasted for 2 years. The examined nitrogen ranges were separated into two parts. Firstly, the effects of nitrogen fertilizer ranging from 120–300 kg ha−1 were examined, supplemented with a constant, high-level P2O5 and K2O. Secondly, the optimal ratio of N:P:K was measured. In order to monitor the health status of maize hybrids, stress indicators including the activity of ascorbate peroxidase (APX), and superoxide dismutase (SOD), the rate of lipid peroxidation (LP), and grain yield were measured. The samples were taken in five phenological stages. Variance analysis based on nitrogen fertilizer showed variation in sampling times and fertilizers on APX, LP, and SOD. Variance analysis based on NPK indicated variation in sampling times, years, and fertilizer levels on APX, LP, and SOD. Correlation analysis showed that yield correlated negatively with SOD during the use of NPK fertilizer, as the use of nitrogen fertilizer cannot make corrections to yield with SOD but phosphorus and potassium can correlate with yield, and SOD. Principal component analysis showed that NPK5 and N5 had maximum stability and effect on yield. The activity of APX had the highest value during silking, and LP was in the V14 leaf stage. The correlation and principal component analysis showed that silking and the V14 leaf stage are the most important stages for yield, thus, higher attention must be paid to these stages in the LP and the activation of APX to achieve maximum yield.

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    Agronomy
    Article . 2021
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      Article . 2021
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    Authors: Ula Hijawi; Devrim Unal; Ridha Hamila; Adel Gastli; +1 Authors

    Internet of Things (IoT) environments are widely employed in industrial applications including intelligent transportation systems, healthcare systems, and building energy management systems. For such environments of highly sensitive data, adapting scalable and flexible communication with efficient security is vital. Research investigated wireless Ad-hoc/mesh networking, while Attribute Based Encryption (ABE) schemes have been highly recommended for IoT. However, a combined implementation of both mesh networking and Key-Policy Attribute Based Encryption (KPABE) on resource-constrained devices has been rarely addressed. Hence, in this work, an integrated system that deploys a lightweight KPABE security built on wireless mesh networking is proposed. Implementation results show that the proposed system ensures flexibility and scalability of self-forming and cooperative mesh networking in addition to a fine-grained security access structure for IoT nodes. Moreover, the work introduces a case study of an enabled scenario at a school building for optimizing energy efficiency, in which the proposed integrated system architecture is deployed on IoT sensing and actuating devices. Therefore, the encryption attributes and access policy are well-defined, and can be adopted in relevant IoT applications. 2013 IEEE. This publication was made possible by the National Priority Research Program (NPRP) grant [NPRP10-1203-160008] from the Qatar National Research Fund (a member of Qatar Foundation) and the co-funding by the IBERDROLA QSTP LLC. The publication of this article was funded by the Qatar National Library. The findings achieved herein are solely the responsibility of the authors. Scopus 2-s2.0-85099090478

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    IEEE Access
    Article . 2021
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      IEEE Access
      Article . 2021
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    Authors: Moreno Castillo, Jaime;

    L'estudi realitzat en aquest projecte té com a finalitat presentar el concepte de IoT, així com la de donar a conèixer les plataformes de programari i maquinari més significatives que existeixen en l'actualitat. El estudio realizado en este proyecto tiene como finalidad presentar el concepto de IoT, así como la de dar a conocer las plataformas software y hardware más significativas que existen en la actualidad. Bachelor thesis for the Telecommunication Technologies program on Telematics.

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    Recolector de Ciencia Abierta, RECOLECTA
    Bachelor thesis . 2015
    License: CC BY NC ND
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      Recolector de Ciencia Abierta, RECOLECTA
      Bachelor thesis . 2015
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    Authors: Berntsson, Mathias; Vernersson Krook, Gustaf; Thunberg, Karl-Johan;

    Efterfrågan av energi ökar på grund av den ökande globaliseringen i världen. För att transmittera och distribuera elektrisk effekt används transformatorer. ABB Power Grids AB är världsledande inom produktion av transmissionskomponenter däribland högspänningstransformatorer. Transformatorer är tidskrävande och komplext att tillverka vilket har lett till att all produktion hos ABB Power Grids idag sker manuellt. En av transformatorns mer framstående komponenter är kärnan som bidrar med en effektivare reglering till mindre förluster. Kärnan konstrueras av tusentals tunna elektroplåtar som staplas omlott på varandra och vävs ihop till en sammanhängande struktur, detta enligt ett kärnläggningsmönster. Plåtarna i sig är otympliga att hantera då de är långa, tunna och vassa. Manuell stackning av elektroplåtar har visat sig ge upphov till en del skador då lyften är många och slitsamma, därtill har plåtarna legat till grund för otäcka skärskador. I och med detta har ett intresse för automation väckts i hopp om att reducera arbetsskador. Vid första anblick kan kärnläggningen anses vara perfekt för automation då arbetsmomentet är enkelt och repetitiva. Incitamentet för automation ökar ytterligare i hänseende till arbetsmiljön. Komplikationerna uppstår när arbetet bryts ner. Under ytan är det en utstuderad process där krav på produkt är höga med strikta toleranser. Därtill har arbetet beskrivits som något man behöver en viss känsla för då arbetet anpassas genom hela processen. Detta försvårar automation betydligt då dagens tillverkningsprocess är svår att fullt ut härma med robotar eller portaler. Därför behövs avgränsningar behöver göras för att hitta avvägning mellan slitsamt arbete och finess. Området för automation begränsas därför till stackningsprocessen. Genom att fokusera på stackningen flyttas de slitsamma och farliga lyften från manuell arbetskraft till automation samtidigt som kontroll, justering och slutmontage behålls manuellt. På så sätt kan produktionen av transformatorkärnor göras lämpad för automation då det allra mest tidskrävande momenten inte behöver utföras av människan. Detta är innebär emellertid inte att automation görs utan svårigheter. Kärnornas storlekar samt den precision som krävs vid läggning sätter höga krav på den automationslösning som ska implementeras. För att en automationslösning ska klara av att stacka alla de typer av kärnor som idag tillverkas på ABB Power Grids kommer stora strukturer behöva upprättas för att utföra arbeten med extrem precision. Detta sätter höga noggrannhetskrav på de automationsmodeller som upprättas. Vidare, produktionsområdet där automation idag avses är väl utstakat och anpassat efter manuellt arbete. Detta innebär att automationsmodeller som idag finns på marknaden behöver omarbetas för att passa in i dagens produktion hos ABB Power Grids. Slutligen måste frågan ställas om modifierade lösningar kan göras noggranna nog eller om större ingrepp på produktionsområden behövs göras. I förstudien presenteras olika automationsmodeller som har utvecklats för att integreras hos ABB Power Grids, dessa är Portalmodeller, Länkarmsmodeller och Inmatningsmodeller. Utformningsförslagen har sedan analyserats och jämförts för att ge ABB PG ett utgångsläge för vidareutveckling av automatisering av stackningsmomentet. Resultatet blev fem automationsmodeller, två använder sig av länkarmsrobotar och tre är portaler. Vidare så har två automatiserade inmatningsmodeller upprättats för att ytterligare reducera den manuella hanteringen av elektroplåtar. ABB Power Grids rekommenderas att inledningsvis gå vidare med Robotmodell 1.

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    Authors: Matsun Matsun; Soka Hadiati; Adi Pramuda;

    The development of IoT-based innovative learning media to improve student competence is needed in the era of industrial revolution 4.0. This study aims to develop an electrical practicum e-module using the Arduino Uno experimental tool to get valid, practical, and effective criteria. The research method uses R&D with four D models. The development stage consists of the stages of defining, designing, developing, and limited dissemination. Data analysis used descriptive analysis with Aiken V. The results showed that the e-module get the criteria of high validity with index V = 0.87. 60% of the total number of students responded positively to the media, and 40% were very active when using the media, so the modules developed were considered practical. The effectiveness level of the module shows that 100% of the students get a higher learning outcome value than the learning completeness score, so it can be concluded that the e-module has met the effective criteria.

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    Radiasi Jurnal Berkala Pendidikan Fisika
    Article . 2021 . Peer-reviewed
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    Radiasi Jurnal Berkala Pendidikan Fisika
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      Radiasi Jurnal Berkala Pendidikan Fisika
      Article . 2021 . Peer-reviewed
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      Radiasi Jurnal Berkala Pendidikan Fisika
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Leone, A. P.; Magliulo, P.; Leone, N.; Dente, A.; +4 Authors

    La componente "naturale" del paesaggio agrario è fortemente influenzata dalla topografia e dal suolo, Variazioni nelle caratteristiche dei suoli e della topografia, spesso tra loro interconnesse e particolarmente evidenti a scala comprensoriale e regionale, possono risultare significative anche all'interno di singoli appezzamenti. La conoscenza di tali variazioni è rilevante per razionalizzare la gestione agrotecnica, per differenziare la produzione e per mitigare i rischi di degrado dei suoli. Le tradizionali procedure per la caratterizzazione dei suoli e della topografia sono generalmente costosi e lunghe e, come tali, essi rappresentano spesso un serio impedimento alla realizzazione delle indagini. Tecniche innovative di proximal sensing, basate sulla spetttroscopia vis-NIR e di remote sensing, basate sull'uso di dati acquisiti da sistemi a pilotaggio remoto (APR) o droni, possono fornire un contributo importante alla risoluzione del problema. Il presente lavoro intende dare un contributo alla conoscenza di tali tecniche, evidenziandone i vantaggi e le limitazioni, attraverso la descrizione di due casi studio.

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    CNR ExploRA
    Part of book or chapter of book . 2017
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    Authors: Mariana Pires Languer; Luciane Batistella; José Luiz Francisco Alves; Jean Constantino Gomes da Silva; +4 Authors

    Abstract This paper is the first comprehensive report about the renewable fuels produced from the pyrolytic conversion of anaerobic and aerobic Brazilian high-ash sewage sludges. The study was divided into three steps: (1) an in-deep evaluation of physicochemical characteristics of both sewage sludges; (2) thermogravimetric analysis under inert conditions for determining bench-scale pyrolysis conditions; (3) characterization of volatile pyrolytic products from fixed bed reactor using GC/MS analysis. The anaerobic and aerobic sewage sludges present substantial high heating values and high contents of ash and sulfur, which are adverse properties for solid fuels. Regarding the pyrolytic behavior, the sewage sludge samples presented a two-step thermal decomposition process. The bio-oil produced from pyrolysis indicates that the high-ash sewage sludges are a source of high value-added chemicals, such as aliphatic and monoaromatic hydrocarbons. In addition, the pyrolysis can promote the production of a hydrogen-rich syngas for thermal boilers or engines use. In this research, it was demonstrated that the pyrolysis process of Brazilian high-ash sewage sludge can be applied for the production of useful biofuels - as bio-oil and bio-syngas - also adding value to this waste, thus contributing to the establishment of renewable source of bioenergy.

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    Biomass and Bioenergy
    Article . 2020 . Peer-reviewed
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      Biomass and Bioenergy
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Mark G, Kibblewhite; Sudhir, Prakash; Mridul, Hazarika; Paul J, Burgess; +1 Authors

    AbstractStrong growth in the demand for tea requires further increases in the productivity of plantations. Declining or stagnant yields are commonly observed in older plantations. Possible controlling factors for yield decline are reviewed including ageing of plants, chronic disease and sub‐optimal soil conditions such as excess soil acidity and low soil organic matter. Management options for addressing these factors are evaluated, including replanting. A systematic approach to decision‐making about replanting is presented. Practice for replanting is reviewed and it is concluded that evidence to support a general case for replanting is limited, unless based on the introduction of more productive clones and/or better plant spacing. © 2013 Society of Chemical Industry

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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Journal of the Science of Food and Agriculture
    Article . 2014 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of the Scien...arrow_drop_down
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      Journal of the Science of Food and Agriculture
      Article . 2014 . Peer-reviewed
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    Authors: Díaz Santiso, Borja;

    [Abstract]: The primary sector (and the natural resources that it uses) have always been such important and interesting for the economic study and for the development of the Galician economy too. On the other hand, Castelao is one of the most outstanding personalities in Galicia’s history and his book, Sempre en Galiza is one of the most recognized essays written in Galician. In this essay, Castelao studies the situation of the use of Galicia’s natural resourses and the need to make changes to improve their use. However, the present work is not restricted to Castelao's thought; rather starting from his economic thought and supported by contributions from previous and contemporary economists to Castelao, it is sought to develop an analysis of Galician thought of the 20th century on the use of Galicia’s natural resourses. From Castelao to Beiras. From Paz Andrade to Touriño, Leiceaga and González Laxe. Livestock, agriculture and fishing. Land and sea. [Resumo]: O sector primario (e os recursos naturais que este emprega) sempre foron moi importantes e interesantes para o seu estudo económico e por ende, para o desenvolvemento da economía galega. Por outra banda, Castelao é unha das personalidades máis destacadas da historia de Galicia e o seu libro, Sempre en Galiza é dos ensaios máis recoñecidos escritos en lingua galega. Neste ensaio, Castelao xa analiza a situación do emprego dos recursos naturais de Galicia e na necesidade de realizar cambios para mellorar o seu uso. Porén, o presente traballo non se restrinxe ao pensamento de Castelao; senón que tomando como base o seu ideario e apoiándose en aportacións de economistas precedentes e coetáneos ao rianxeiro, búscase elaborar unha análise do pensamento galego do século XX encol do emprego dos recursos naturais en Galicia. De Castelao a Beiras. De Paz Andrade a Touriño, Leiceaga e González Laxe. Gandaría, agricultura e pesca. Terra e mar. Traballo fin de grao (UDC.ECO). Turismo - Ciencias empresariais. Curso 2019/20

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    Authors: RAMOS, M. Y.; GARAGORRY, F. L.;

    Este artigo examina a distribuição espacial e a dinâmica da produção agropecuária da região do MATOPIBA, Brasil, usando técnicas de natureza visual e quantitativa. Utilizou-se a análise de redes, para modelar a estrutura produtiva da região, para anos selecionados do período de 1990 a 2012, e o conceito matemático de distância para medir a intensidade das mudanças interanuais. Consideraram-se 65 produtos cuja produção está estabelecida em ao menos uma das 31 microrregiões componentes. Os resultados indicam a coexistência de distintos perfis produtivos na região que foram se diferenciando ao longo do período analisado, embora tenha persistido um núcleo relativamente estável de microrregiões que compartilham a produção de itens dos domínios da pecuária e dos produtos da pecuária. Esses resultados mostram, também, o uso da modelagem com redes como técnica analítica válida nos estudos regionais sobre agricultura. Made available in DSpace on 2019-11-18T18:08:53Z (GMT). No. of bitstreams: 1 Mudancasespaciaisnaproducaoagropecuaria.pdf: 2923279 bytes, checksum: 04e25ba8208b8c8f4d398eb7b5d8265a (MD5) Previous issue date: 2019 Título em inglês: Spatial changes in the agricultural production of the MATOPIBA region, Brazil: an application of the network analysis.

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    Authors: Illés, Árpád; Bojtor, Csaba; Mousavi, Seyed Mohammad Nasir; Széles, Adrienn; +3 Authors

    Studies on physiological and biochemical processes in crops are highly relevant for breeders to produce hybrids with high yield. Two different maturity groups of maize hybrids were tested in this study. The research site was located at the Látókép Experimental Station of the University of Debrecen and the experiment lasted for 2 years. The examined nitrogen ranges were separated into two parts. Firstly, the effects of nitrogen fertilizer ranging from 120–300 kg ha−1 were examined, supplemented with a constant, high-level P2O5 and K2O. Secondly, the optimal ratio of N:P:K was measured. In order to monitor the health status of maize hybrids, stress indicators including the activity of ascorbate peroxidase (APX), and superoxide dismutase (SOD), the rate of lipid peroxidation (LP), and grain yield were measured. The samples were taken in five phenological stages. Variance analysis based on nitrogen fertilizer showed variation in sampling times and fertilizers on APX, LP, and SOD. Variance analysis based on NPK indicated variation in sampling times, years, and fertilizer levels on APX, LP, and SOD. Correlation analysis showed that yield correlated negatively with SOD during the use of NPK fertilizer, as the use of nitrogen fertilizer cannot make corrections to yield with SOD but phosphorus and potassium can correlate with yield, and SOD. Principal component analysis showed that NPK5 and N5 had maximum stability and effect on yield. The activity of APX had the highest value during silking, and LP was in the V14 leaf stage. The correlation and principal component analysis showed that silking and the V14 leaf stage are the most important stages for yield, thus, higher attention must be paid to these stages in the LP and the activation of APX to achieve maximum yield.

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    Authors: Ula Hijawi; Devrim Unal; Ridha Hamila; Adel Gastli; +1 Authors

    Internet of Things (IoT) environments are widely employed in industrial applications including intelligent transportation systems, healthcare systems, and building energy management systems. For such environments of highly sensitive data, adapting scalable and flexible communication with efficient security is vital. Research investigated wireless Ad-hoc/mesh networking, while Attribute Based Encryption (ABE) schemes have been highly recommended for IoT. However, a combined implementation of both mesh networking and Key-Policy Attribute Based Encryption (KPABE) on resource-constrained devices has been rarely addressed. Hence, in this work, an integrated system that deploys a lightweight KPABE security built on wireless mesh networking is proposed. Implementation results show that the proposed system ensures flexibility and scalability of self-forming and cooperative mesh networking in addition to a fine-grained security access structure for IoT nodes. Moreover, the work introduces a case study of an enabled scenario at a school building for optimizing energy efficiency, in which the proposed integrated system architecture is deployed on IoT sensing and actuating devices. Therefore, the encryption attributes and access policy are well-defined, and can be adopted in relevant IoT applications. 2013 IEEE. This publication was made possible by the National Priority Research Program (NPRP) grant [NPRP10-1203-160008] from the Qatar National Research Fund (a member of Qatar Foundation) and the co-funding by the IBERDROLA QSTP LLC. The publication of this article was funded by the Qatar National Library. The findings achieved herein are solely the responsibility of the authors. Scopus 2-s2.0-85099090478

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    Authors: Moreno Castillo, Jaime;

    L'estudi realitzat en aquest projecte té com a finalitat presentar el concepte de IoT, així com la de donar a conèixer les plataformes de programari i maquinari més significatives que existeixen en l'actualitat. El estudio realizado en este proyecto tiene como finalidad presentar el concepto de IoT, así como la de dar a conocer las plataformas software y hardware más significativas que existen en la actualidad. Bachelor thesis for the Telecommunication Technologies program on Telematics.

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    Recolector de Ciencia Abierta, RECOLECTA
    Bachelor thesis . 2015
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