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Academic literature on the topic 'Iws'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Iws"

Ignacio, Malenab, Pausta, Beltran, Belo, Tanhueco, Promentilla, and Orbecido. "A Perception Study of an Integrated Water System Project in a Water Scarce Community in the Philippines." Water 11, no. 8 (July 31, 2019): 1593. http://dx.doi.org/10.3390/w11081593.

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The Integrated Water System (IWS) offers alternative water and sanitation services that can potentially benefit rural communities experiencing water scarcity. The IWS described in this study comprises three systems: The Rainwater Harvesting System (RWHS), Water Treatment System (WTS), and Eco-Toilet System (ETS). RWHS and WTS make use of rainwater, which can be utilized for several domestic uses, especially during wet season. ETS has several benefits to users including promotion of environmental and public health, as well as food security. Despite the potential benefits of the IWS components, the perceived acceptance of its users threatens the success of its implementation. This study focuses on determining the significant factors that can influence the social acceptance of IWS in the Municipality of Mulanay, Quezon Province, Philippines. This study considers behavioral intention as an indicator of social acceptance of the IWS components. The framework of this study is based on the combined technology acceptance model and theory of planned behavior (C-TAM-TPB) concept. C-TAM-TPB was analyzed using Partial Least Square–Structural Equation Modeling (PLS–SEM). The result of the C-TAM-TPB evaluation reveals that the user’s attitude towards use (ATU), including its significant predictors, can promote behavioral intention towards use of the IWS components. This study can further improve the development of IWS projects.

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Kudryavtsev, V. N. "The coupling of wind and internal waves: modulation and friction mechanisms." Journal of Fluid Mechanics 278 (November 10, 1994): 33–62. http://dx.doi.org/10.1017/s0022112094003605.

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The interaction between internal waves (IW) and wind waves (WW) is studied. Three types of interaction are considered: spontaneous IW generation by a random field of WWs, and two feedback mechanisms - modulation and friction.The latter mechanism has not been studied before. Its influence on the IW-WW coupling is of primary importance. The modulation and friction mechanisms result in exponential attenuation of the IWs. Attenuation of IWs propagating against wind is the strongest. The IW attenuation has a dimensionless decrement of order 10-3, whereas for storm winds it attains the value of 10-2. Joint action of the spontaneous generation of IWs and their attenuation due to feedback mechanisms permits a stationary ‘wind-IW’ spectrum to exist. For strong winds the ‘wind-IW’ energy is of order 105 erg cm-2. The effect of IWs on currents in the ocean's upper layer is considered. Momentum and energy lost by IWs due to their interaction with WWs generates inertial oscillations. Under the attenuation of intensive IWs, the amplitude of inertial oscillations may be compared with the background Ekman current.

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BROOKS, PATRICIA J., and BRIAN MACWHINNEY. "Phonological priming in children's picture naming." Journal of Child Language 27, no. 2 (June 2000): 335–66. http://dx.doi.org/10.1017/s0305000900004141.

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Two experiments examined phonological priming in children and adults, using a cross-modal picture-word interference task. Pictures of familiar objects were presented on a computer screen, while interfering words (IWs) were presented over headphones. In terms of their relation to target pictures, IWs were either phonologically related, unrelated, neutral (the word go), or identical. Ninety children (30 aged 4;11 to 5;11, 30 aged 6;11 to 7;11, and 30 aged 9;5 to 11;9) and 30 adults were instructed to name the pictures as quickly as possible while ignoring the IWs. In Experiment 1, related IWs shared onset consonants with the names of the pictures. Across ages, participants named pictures faster with related IWs than with unrelated IWs. In Experiment 2, related IWs rhymed with the targets. Here, only the youngest children (five to seven-year-olds) named pictures faster with related IWs than with unrelated IWs. The results indicate that priming effects reach a peak during a time when articulatory information is being consolidated in the output phonological buffer. The disappearance of the rhyme priming effect with age may reflect the gradual emergence of the onset as an organizing structure in speech production. This increased prominence of the onset can be viewed as one component of a just-in-time, incrementalist approach to speech production that allows adults to speak more fluently than children.

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Rüsch, Nicolas, Nathalie Oexle, Lea Reichhardt, and Stephanie Ventling. "In Würde zu sich stehen – Konzept und Wirksamkeit eines peer-geleiteten Programms zu Offenlegung und Stigmabewältigung." Psychiatrische Praxis 46, no. 02 (December 3, 2018): 97–102. http://dx.doi.org/10.1055/a-0800-3695.

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Zusammenfassung Hintergrund Menschen mit psychischen Erkrankungen stehen aufgrund verbreiteter Stigmatisierung oft vor der schwierigen Entscheidung, ob sie ihre Erkrankung anderen gegenüber offenlegen sollen. Methode Konzept und Inhalte von ‚In Würde zu sich stehen‘ (IWS), einem kompakten peer-geleiteten Gruppenprogramm, werden beschrieben. Ergebnisse IWS unterstützt Teilnehmer mit psychischen Erkrankungen bei Offenlegungsentscheidungen und Stigmabewältigung. Drei RCTs zeigen positive Effekte von IWS. Schlussfolgerungen Fragen der Wirksamkeit, Implementierung und Weiterentwicklung von IWS werden diskutiert.

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Li, Hongxing, Alasdair Cohen, Zheng Li, Shibo Lv, Zuan He, Li Wang, and Xinyi Zhang. "Intermittent Water Supply Management, Household Adaptation, and Drinking Water Quality: A Comparative Study in Two Chinese Provinces." Water 12, no. 5 (May 12, 2020): 1361. http://dx.doi.org/10.3390/w12051361.

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Intermittent water supply (IWS) is a relatively common phenomenon across the world as well as in rural and peri-urban areas across China, though there has been little IWS-focused research from China published to date. IWS consumers typically adopt a range of strategies to cope with insufficient water supply, poor drinking water quality, and associated inconveniences. In this study, we collected a range of data from small-scale utilities and households in two IWS systems and two continuous water supply (CWS) systems, as well as from comparison groups, in Shandong and Hubei provinces. Data collection included water quality testing, interviews, and surveys on behavioral adaptations, coping strategies, water-related health perceptions, and other metrics of consumer satisfaction. Overall, we found that the IWS coping strategies employed in northern China (Shandong) were associated with generally safe, but inconvenient, water access, whereas adaptation strategies observed in southern China (Hubei) appeared to improve convenience, but not water quality. Compared to the CWS comparison groups, we did not observe significant differences in water- and sanitation-related behaviors in the IWS groups, suggesting interventions to increase adaptive and protective behaviors at the household level might further improve safe water access for households living with IWS. Overall, although the water supply infrastructure in these study areas appeared to be in relatively good condition, in contrast to reported data on IWS systems in other countries, we observed multiple risk factors associated with the water treatment and distribution processes in these IWS systems. Among policy recommendations, our results suggest that the implementation of Water Safety Plans in China would likely improve the management of drinking water treatment and, by extension, safe drinking water supply under conditions of IWS.

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Farmani, R., Joe Dalton, Bambos Charalambous, Elizabeth Lawson, Sarah Bunney, and Sarah Cotterill. "Intermittent water supply systems and their resilience to COVID-19: IWA IWS SG survey." Journal of Water Supply: Research and Technology-Aqua 70, no. 4 (April 29, 2021): 507–20. http://dx.doi.org/10.2166/aqua.2021.009.

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Abstract There is limited information about the current state of intermittent water supply (IWS) systems at the global level. A survey was carried out by the Intermittent Water Supply Specialist Group of the International Water Association (IWA IWS SG) to better understand the current state of these systems and challenges that water companies may have faced under COVID-19 pandemic and to capture successful management strategies applied by water utilities. The survey consisted of three parts: (1) general information about IWS systems, (2) current state of IWS and (3) resilience of IWS under COVID-19 conditions, as well as some questions about potential interventions in order to improve system performance in general and under future uncertain conditions. The survey responses were evaluated based on the Safe & SuRe resilience framework, assessing measures of mitigation, adaptation, coping and learning, and exploring organisational and operational responses of IWS utilities. Infrastructure capacity and water resources availability were identified as the main causes of intermittency in most water distribution systems, while intermittent electricity was considered as the main external cause. Participants indicated that some risk assessment process was in place; however, COVID-19 has surpassed any provisions made to address the risks. Lessons learnt highlighted the importance of financial resources, e-infrastructure for efficient system operation and communication with consumers, and the critical role of international knowledge transfer and the sharing of best practice guidelines for improving resilience and transitioning towards continuous water supply.

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Cuadrado, Elizabeth M., and Christine M. Weber-Fox. "Atypical Syntactic Processing in Individuals Who Stutter." Journal of Speech, Language, and Hearing Research 46, no. 4 (August 2003): 960–76. http://dx.doi.org/10.1044/1092-4388(2003/075).

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Syntactic processing was explored in individuals who stutter (IWS). Grammatic-ality judgments and event-related brain potentials (ERPs) were obtained while participants read sentences, half containing verb-agreement violations. Gram-maticality judgments for an offline verb-agreement task did not differ between IWS and normal speakers (NS). However, judgment accuracy of IWS for the online task was lower than that of NS, particularly for verb-agreement violations that occurred in longer and more syntactically complex sentences. Further, while NS exhibited a classic P600 ERP response to verb-agreement violations, the P600s of IWS were reduced in amplitude and distribution. The behavioral and ERP results are consistent with the hypothesis that underlying mechanisms mediating language processing, including those related to postlexical syntactic reanalysis, may operate atypically in IWS even in the absence of speech production demands.

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Kramer, Robin, Addie Johnson, and Melcher P. Zeilstra. "The Integrated Workload Scale – Translation and validation of a subjective workload scale." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 231, no. 10 (December 20, 2016): 1123–29. http://dx.doi.org/10.1177/0954409716683857.

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The Integrated Workload Scale (IWS) is a scale for the assessment of subjective workload in real-time that was specifically designed for use with train traffic controllers. The IWS has nine anchor points that describe the degree of workload – ranging from ‘not demanding’ to ‘work too demanding’ – and captures the multi-dimensionality of workload by incorporating items that reflect time, demand and effort. In this paper, we describe how we translated the IWS into Dutch and subsequently validated the translation by having English-language students, Dutch students and Dutch train traffic controllers rate the individual items of the IWS according to the amount of workload each item conveyed, on a scale ranging from 0 (‘no workload at all’) to 150 (‘complete overload’). A comparison between the ratings of the English and Dutch items showed no significant differences, suggesting that the English and Dutch versions of the IWS are perceived similarly. Moreover, a comparison between the Dutch students and train traffic controllers also showed no apparent differences in the items' ratings. Regression analyses showed a strong linear component reflecting that the items were roughly equidistant on the rating scale. In a final analysis, alternate translations were tested as possible substitutes for some of the original items, but were not considered to substantially improve the scale. In sum, the similarity of the Dutch IWS to the original IWS, as well as the fact that train traffic controllers and students gave similar ratings on the Dutch IWS, suggest that it is a robust and reliable tool for subjective workload assessment across different populations and that it can be reliably translated to other languages.

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Mohammadi, Ali, Mohammadreza Jalili-Ghazizadeh, Iman Moslehi, and Ehsan Yousefi-Khoshqalb. "Survival analysis of water distribution network under intermittent water supply conditions." Water Supply 20, no. 8 (September 21, 2020): 3531–41. http://dx.doi.org/10.2166/ws.2020.228.

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Abstract Intermittent water supply (IWS) is established temporarily or continuously in many water distribution networks (WDNs) worldwide due to prolonged drought, low rainfall periods, water scarcity and high level of leakage. IWS causes several adverse consequences on the network operation, resulting in ineffective supply and demand management. This paper presents a survival analysis of the network elements, including water mains, service connections, and valves using the Kaplan-Meier approach to determine the survival probability and the probability of failure rates of events of interest. The objective is to explore the changes in failure rates of network elements after implementing an IWS scheme. The non-parametric survival method is applied to the large zone (Zone-5) of the WDN in Tehran (Iran) based on the frequency of failures before, during, and after the implementation of an IWS regime. The results show that the probability of failure rates significantly increase after implementing the IWS scheme, and can remain for several years after, even when the network returns to continuous water supply (CWS). The results of this study can assist utility managers to understand the detrimental effects of IWS systems on increasing failure rates.

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Mouapi, Alex, Nadir Hakem, and Nahi Kandil. "Piezoelectric Energy Harvesting Prediction and Efficient Management for Industrial Wireless Sensor." Applied Sciences 10, no. 23 (November 27, 2020): 8486. http://dx.doi.org/10.3390/app10238486.

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The vibrations, due to their abundance in most industrial processes, constitute an attractive solution for the power supply of Industrial Wireless Sensor (IWS). However, the amount of energy that can be harvested presents numerous fluctuations due to the engines’ different operating modes (overload, full load, or even operation without charge). Most designs do not incorporate this fluctuation in the definition of the specifications of the autonomous IWS. This paper then presents a design method to ensure the node’s energy autonomy while maximizing its Quality of Service (QoS). To precisely define the specifications of the IWS, vibration measurements were carried out at its location for one month. The recorded data was used to propose a new Predictor of the Harvestable Energy from Vibrations (PHEV). A comparative evaluation of the proposed PHEV performances with a state-of-the-art predictor is carried out. The results obtained show that the PHEV makes it possible to minimize the Root Mean Square Error (RMSE) from 28.63 mW to 19.52 mW. A model of energy dissipation in IWS, considering the Internet of Things’ requirements, was established. The model is based on Long-Range (LoRa)/Long-Range Communication Wide Area Network (LoRaWan). The amount of data transmitted is then maximized according to the expected energy harvest rate by setting up a Maximization Data Size Protocol (MDSP). The proposed method makes it possible to ensure an acceptable QoS without resorting to reconfigurable circuits, which are sometimes bulky for miniature devices such as the IWS.

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Dissertations / Theses on the topic "Iws"

Simmons, Alexander L. "Monitoring the performance of IWS processes in an open architecture environment." Thesis, Monterey, Calif. : Naval Postgraduate School, 2008. http://bosun.nps.edu/uhtbin/hyperion-image.exe/08Mar%5FSimmons.pdf.

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Thesis (M.S. in Information Technology Management)--Naval Postgraduate School, March 2008.
Thesis Advisor(s): Barreto, Albert ; Housel, Thomas. "March 2008." Description based on title screen as viewed on May 12, 2008. Includes bibliographical references (p. 91-93). Also available in print.

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Lino, Margarete Marques. "Satisfação profissional entre enfermeiras de UTI: adaptação transcultural do Index of Work Satisfaction (IWS)." Universidade de São Paulo, 1999. http://www.teses.usp.br/teses/disponiveis/7/7138/tde-12112004-163915/.

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Satisfação profissional é um fenômeno complexo e multivariado, vivenciado pelos indivíduos como um estado comportamental derivado de fontes internas e externas. Considerando o ambiente das Unidades de Terapia Intensiva (UTIs) como fontes geradoras de estímulos externos - positivos e negativos, é essencial uma investigação sistemática para examinar o nível de satisfação das enfermeiras de terapia intensiva em relação ao seu contexto de trabalho. Para atender a essa proposta, o objetivo desse estudo foi adaptar o Index of Work Satisfaction (IWS) - Índice de Satisfação Profissional (ISP) para a cultura das enfermeiras brasileiras de terapia intensiva e identificar seu nível de satisfação profissional. O ISP compreende uma escala de 44 ítens que mede o nível atual de satisfação profissional e comparações pareadas que medem a importância relativa de seis componentes de satisfação profissional: autonomia, interação, status profissional, requisitos do trabalho, normas organizacionais e remuneração. A estrutura metodológica que orientou o estudo baseou-se nas diretrizes de adaptação e validação transcultural de medidas, como propostas pela literatura. A abordagem metodológica compreendeu um comjunto de etapas padronizadas para atingir equivalência idiomática, cultural e conceitual, e para avaliar as propriedades psicométricas do instrumento adaptado, pelo uso de traduções, re-tradução, revisões por especialistas e testes estatísticos. A validade aparente e de conteúdo da versão traduzida do ISP foi analisada através dos julgamentos de especialistas, sustentando sua adequação. A amostra do estudo consistiu de 84 enfermeiras representando oito UTIs, que responderam a um questionário específico para o alcance dos objetivos. Os dados analisados nesse estudo foram provenientes de 70 questionários utilizáveis. A maioria das respondentes era do sexo feminino (90.0%). A idade média foi 30,42 anos e o tempo médio de experiência em UTIs foi de 5,49 anos. Após a eliminação de cinco ítens da escala total, o coeficiente alfa de Cronbach indicou uma confiabilidade de 0,74 e o tau de Kendall entre o escore total ponderado e o escore não ponderado foi de 0,98. As enfermeiras de terapia intensiva classificaram a importância dos componentes de sua satisfação profissional: autonomia, remuneração, interação, requisitos do trabalho, status profissional e normas organizacionais, do mais importante para o menos importante. Os níveis atuais de satisfação profissional classificados de acordo com os componentes da escala, do mais satisfatório para o menos satisfatório, foram os seguintes: status profissional, interação, autonomia, requisitos do trabalho, normas organizacionais e remuneração. Houve, portanto, dissonância entre o nível de importância atribuído e o nível de satisfação percebido. A abordagem metodológica utilizada assegurou que o instrumento traduzido mantivesse a equivalência com o original e preservasse suas propriedades de medida. Possibilitou, também, obter informações valiosas relacionadas ao nível de satisfação profissional das enfermeiras brasileiras de terapia intensiva.
Work satisfaction ie a complex and multifaced phenomenon experienced by individuals as a comportamental state derived from internal and external sources. Considering Intensive Care Units'setting as generating sources of external - positive and negative - stimuli, it's essential a systematic investigation to examine the level of critical care nurses'satisfaction with their work context. In order to meet that purpose, the aim of the present study was to adapt the Index of Work Satisfaction (IWS) to Brazilian critical care nurses culture and to identify their level of work satisfaction. The IWS comprises a 44 item scale that measures the current level of work satisfaction and paired comparisons that masures the relative importance of six work satisfaction' components: autonomy, interaction, professional status, task requirements, organizational policies and pay. The methodological framework that guided the study was the guidelines for cross-cultural adaptation and validation of measures, as proposed by the literature. The methodological approach comprised a set of standardized steps to achieve idiomatic, cultural and conceptual equivalence and to assess the psychometric properties of the adapted instrument, by the use of translations, back-translation, reviews by experts, and statistical tests. Face and content validity of the translated version of the IWS was assessed by experts'judgements supporting its adequacy. The study sample consisted of 84 critical care nurses, representing eight ICUs. Data were collected from 70 useable questionnaires. The majority of the respondents were female (90,0%). The mean age was 30,42 years and mean lenght of experience in ICUs was 5,49. After the reduction of five items of the total scale, Cronbach's alfa coefficient indicated a reliability of 0,74 and Kendall's Tau between the total weighted score and the unweighted score was 0,98. Critical care nurses rank-ordered autonomy,pay, interaction, task requirements, professional status and organizational policies from the most to the least important component to their work satisfaction. The ranking of their current levels of work satisfaction was professional status, interaction, autonomy, task requirements, organizational policies and pay from the most to the least satisfying, indicating dissonances between level of importance expected and level of satisfaction perceived. That methodological approach ensured that the translated instrument kept equivalence to the original and preserved its a measurement properties. Furthermore, it was possible to gain valuable informations concerning the level of Brazilian critical care nurses'work satisfaction.

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Fahlström, Albin, and Victor Henriksson. "Intrångsdetektering i processnätverk." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-39881.

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The threat against industrial networks have increased, which raises the demands on the industries cybersecurity. The industrial networks are not constructed with cybersecurity in mind, which makes these systems vulnerable to attacks. Even if the networks outer protection is deemed sufficient, the system may still be infected. This risk demands an intrusion detection system (IDS) that can identify infected components. An IDS scans all traffic of a point in the network and looks for traffic matching its detections parameters, if a match is made the IDS will send an alarm to the administrators. It can also analyze the network traffic using a behavior based method which means that the IDS will alert administrators if network activity deviates from the normal traffic flow. It is of vital essence that the IDS do not impair with the system, an outage of the industrial process can have a high cost for the industry. This report aims to put forward plans for the implementation of an IDS in one of Mälarenergi AB’s industrial networks, this will be made using the Bro and Snort intrusion detection systems.
Hoten mot industrinätverken har blivit större vilket har ställt högre krav på industriernas cybersäkerhet. Industrinätverk är ofta inte konstruerade med cybersäkerhet i åtanke, vilket har gjort dessa system sårbara mot attacker. Även om nätverkets yttre skydd anses gott går det inte att vara säker på att ett industrinätverk förblir osmittat. Detta ställer krav på någon form av intrångsdetekteringssystem (IDS) som kan upptäcka infekterad utrustning och suspekt datatrafik i nätverket. En IDS skannar alla paket vid en viss punkt i nätverket, om IDS:en upptäcker något paket som matchar med dess signatur kommer den att larma en administratör. IDS:en kan även använda beteendeanalys där den larmar om nätverksaktiviteten avviker från det normala. Det är mycket viktigt att en IDS inte orsakar avbrott i industriprocessen, om en process stannar kan det innebära stora kostnader för industrin. Denna rapport syftar till att lämna ett lösningsförslag på en IDS-implementation till ett av Mälarenergi AB: s processnätverk, lösningen konstruerades med hjälp av IDS:erna Bro och Snort.

Vissa bilder i den elektroniska rapporten har tagits bort av upphovrättsliga skäl. Författarna har bedömt att rapporten är förståelig även utan dessa bilder.

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Ševčík, Michal. "Návrh monitoringu kritické komunikační infrastruktury pro energetickou společnost." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2018. http://www.nusl.cz/ntk/nusl-378335.

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Diploma thesis deals with monitoring critical infrastructure, critical information infrastructure and network monitoring in energetic industry. The goal is to create analytical environment for processing logs from the network, to map the most critical segments of the network and implementation of monitoring and network devices, that increase security and mitigate risks of security events or security incidents

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Klimeš, Jan. "Filtrace útoků na odepření služeb." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-400904.

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This thesis deals with filtering selected DDoS attacks on denial of the service. The the toretical part deals with the problems of general mechanisms used for DDoS attacks, defense mechanisms and mechanisms of detection and filtration. The practical part deals with the filtering of attacks using the iptables and IPS Suricata firewall on the Linux operating system in an experimental workplace using a network traffic generator to verify its functionality and performance, including the statistical processing of output data from filter tools using the Elasticsearch database.

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Černý, Michal. "Systémy detekce a prevence průniku." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218240.

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The detection and intrusion prevention systems could be realized as independent hardware or set in the software form on to the host. The primary purpose of these protective elements is the undesirable activity detection such as integrity intrusion of the files, invalid attempts while connecting to the remote service or acquisition of the local network data. The systems react to the event on the basis of the action that is defined by internal rules. We can include the caution sending or communication blocking among possible counteractions. The base principals of the detection and intrusion prevention systems are described in the dissertation. Various types of captured data analyses and processes of the inhere rules creation and further more caution formats are mentioned in the dissertation. There are also considered the alternatives of their location including advantages of selected situations. There is described the installation and setting up of particular elements of the realized network and security systems. In order to the verification of functionality and factor of the protection providing there was realized several selected types of attacks.

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Mahamat, charfadine Salim. "Gestion dynamique et évolutive de règles de sécurité pour l'Internet des Objets." Thesis, Reims, 2019. http://www.theses.fr/2019REIMS011/document.

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Avec l'évolution exponentielle de l'Internet des Objets (IoT), assurer la sécurité des réseaux est devenue un grand défi pour les administrateurs réseaux. La sécurité des réseaux est basée sur de multiples équipements indépendants tels que Firewall, IDS/IPS, NAC dont le rôle principal est de contrôler les informations échangées entre le réseau de l'entreprise et l'extérieur. Or, l'administration de ces équipements peut s'avérer très complexe et fastidieuse si elle est réalisée manuellement, équipement après équipement. L'introduction du concept de Software Defined Networking (SDN) depuis ces dernières années, et du protocole OpenFlow, offre beaucoup d'opportunités pour l'amélioration de la sécurité des réseaux en proposant une administration centralisée et programmable.Dans le cadre de cette thèse, nous avons proposé une nouvelle approche de sécurisation des échanges dans un réseau en fonction des événements détectés et de manière automatisée. Cette solution basée sur l'approche SDN couplé avec un système de détection d'intrusion permet d’analyser, de détecter et de supprimer des menaces de sécurité dans un réseau et de manière automatisée. En implémentant cette solution, nous contribuons à faire évoluer la manière de sécuriser les échanges dans un réseau avec du SDN couplé avec un IDS à travers la mise en place d'une architecture réelle de cas d'usage. Ainsi, la gestion de la sécurité du réseau devient simplifiée, dynamique et évolutive
With the exponential evolution of the Internet of Things (IoT), ensure the network security has become a big challenge for networkadministrators. Traditionally, the network security is based on multiple independent devices such as firewall, IDS/IPS, NAC where the main role is to monitor the information exchanged between the inside and the outside perimeters of the enterprises networks. However, the administration of these network devices can be complex and tedious with an independent manual configuration. Recently, with the introduction of the Software Defined Networking concept (SDN) and the OpenFlow protocol offers many opportunities by providing a centralized and programmable network administration.As part of this research work, we proposed a new approach to secure the network traffic flows exchanges based on a method of events detection, in an automated manner. This solution is based on the SDN approach coupled to an intrusion detection system which allows analyze, detect and remove security threats. With the implementation, we contribute to change the paradigm of secure the network traffic flows exchanges using the SDN principle, coupled with an IDS in a real use case architecture. In this way, the management of network security becomes simplified, dynamic and scalable

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Risède, Jean-Michel. "Analyse de la diversité des champignons du genre Cylindrocladium Morgan : application à la caractérisation phénotypique, moléculaire et du pouvoir pathogène d'isolats de la rhizosphère du bananier." Montpellier, ENSA, 2002. http://www.theses.fr/2002ENSA0016.

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Hirš, David. "Systém prevence průniků využívající Raspberry Pi." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442389.

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The number of discovered vulnerabilities rapidly increases. For example in 2019 there were discovered 20 362 vulnerabilities. The probability of cyber-attacks realization is high. Therefore it is necessary to propose and implement automated and low-cost Intrusion Prevention or Intrusion Detection Systems (IPS/IDS). This implemetation can focus on home use or small corporate networks. The main goal of the system is to detect or mitigate cyber-attack impact as fast as possible. The master's thesis proposes IPS/IDS based on Raspberry Pi that can detect and prevent various cyber-attacks. Contents of this thesis are focus on description of cyber-attacks based on ISO/OSI model's Link and Network layers. Then there is description of IPS/IDS systems and theirs open source representatives. The practical part is focus on experimental workspace, hardware consumption of choosen detection systems, cyber-attacks scenarios and own implementation of detection program. Detection program is based on these chosen systems and puts them together to be easily manageable.

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Gerlich, Tomáš. "Detekce útoků cílených na odepření služeb." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-317010.

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Master's thesis is focused on intrusion detection for denied of service attacks. These distributed DoS attacks are threat for all users on the Internet, so there is deployment of intrusion detection and intrusion prevention systems against these attacks. The theoretical part describes the DoS attacks and its variants used most frequently. It also mentioned variants for detecting DoS attacks. There is also described, which tools are used to detect DDoS attacks most frequently. The practical part deals with the deployment of software tools for detecting DDoS attacks, and create traffic to test detection abilities of these tools.

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Books on the topic "Iws"

Saer, D. Roy. Canu at iws. [s.l.]: Cymdeithas Alawon Gwerin Cymru, 1992.

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IWS Commercial Development Department. ITMA '95: The IWS perspective : the IWS review of ITMA '95. Ilkley: Wool Development International, 1995.

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Parri, Harri. Y pregethwr at iws gwlad. (Caernarfon): Gwasanaeth Llyfrgell Gwynedd, 1988.

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Secretariat, International Wool. IWS and the woolmark: Building a future for wool. Ilkley: IWS, 1995.

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University), Internet Workshop (1999 Osaka. 1999 Internet Workshop: IWS 99, Osaka University Convention Center, Suita, Osaka, Japan, 18-20 February 1999. Piscataway, N.J: The Society, 1999.

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International Workshop on Safety in the Transport, Storage, and Use of Hazardous Materials (1998 Tokyo, Japan). Proceedings of IWS: International Workshop on Safety in the Transport, Storage, and Use of Hazardous Materials, 1998. Edited by Tamura Masamitsu 1940-, Shōbō Kenkyūjo (Japan), and Japan Shōbōchō. [Tokyo]: National Research Institute of Fire and Disaster, 1998.

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Ledford, Margaret J. An internship at the Institute for Watershed Studies (IWS), Huxley College of Environmental Studies, Western Washington University in Bellingham, Washington. Bellingham, WA: Huxley College of Environmental Studies, Western Washington University, 1996.

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The journey of IWS, Indonesian Watercolour Society: Mutual support among Asian artists : China, Hong Kong China, Indonesia, Japan, Korea, Malaysia, Myanmar, Philippines, Singapore, Taiwan, Thailand. Jakarta, Indonesia: Indonesian Watercolour Society, 2012.

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Bates, Peadar. Donabate and Portrane: A history. [Donabate]: peadar Bates, 1988.

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Adenle, S. A. Iwe iwa rere l'ọṣọ enia. [Nigeria]: Synapses Publishers, 2006.

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Book chapters on the topic "Iws"

Fischer, R. X., and W. H. Baur. "IWS." In Zeolite-Type Crystal Structures and their Chemistry. 41 New Framework Type Codes, 247–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41452-7_22.

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Riedler, Andreas. "Gesamtforderungen und Obligation iwS." In Gesamt- und Teilgläubigerschaft im österreichischen Recht, 195–218. Vienna: Springer Vienna, 1998. http://dx.doi.org/10.1007/978-3-7091-7515-6_15.

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Piller, Frank, Kathrin Möslein, Christoph Ihl, and Ralf Reichwald. "IWS in der Innovation: Open Innovation." In Interaktive Wertschöpfung kompakt, 49–84. Wiesbaden: Springer Fachmedien Wiesbaden, 2017. http://dx.doi.org/10.1007/978-3-658-17514-6_4.

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Piller, Frank, Kathrin Möslein, Christoph Ihl, and Ralf Reichwald. "IWS in Produktion und Vertrieb: Mass Customization." In Interaktive Wertschöpfung kompakt, 85–108. Wiesbaden: Springer Fachmedien Wiesbaden, 2017. http://dx.doi.org/10.1007/978-3-658-17514-6_5.

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Azozomox. "Narrating the challenges of women-refugee activists of Ohlauer Straße 12, International Women’s Space (IWS refugee women activists), Berlin." In Migration, Squatting and Radical Autonomy, 207–21. Abingdon, Oxon ; New York, NY : Routledge, 2017. | Series: Routledge research in place, space and politics series: Routledge, 2016. http://dx.doi.org/10.4324/9781315673301-17.

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Foufeas, Dimitris, and Nicholas Petroulias. "Metering under IWS." In Dealing with the Complex Interrelation of Intermittent Supply and Water Losses, 69–76. International Water Association, 2017. http://dx.doi.org/10.2166/9781780407074_069.

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Hamilton, Stuart. "Leakage detection under IWS." In Dealing with the Complex Interrelation of Intermittent Supply and Water Losses, 57–67. International Water Association, 2017. http://dx.doi.org/10.2166/9781780407074_057.

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Laspidou, Chrysi, Alexandra Spyropoulou, Bambos Charalambous, and Shrihari Sridhar. "Root causes and implications of IWS." In Dealing with the Complex Interrelation of Intermittent Supply and Water Losses, 17–28. International Water Association, 2017. http://dx.doi.org/10.2166/9781780407074_017.

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Charalambous, Bambos, Jan Janssens, and Roland Liemberger. "Transitioning from IWS to continuous 24 × 7." In Dealing with the Complex Interrelation of Intermittent Supply and Water Losses, 41–56. International Water Association, 2017. http://dx.doi.org/10.2166/9781780407074_041.

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Charalambous, Bambos, and Roland Liemberger. "Understanding water losses in the context of IWS." In Dealing with the Complex Interrelation of Intermittent Supply and Water Losses, 35–39. International Water Association, 2017. http://dx.doi.org/10.2166/9781780407074_035.

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Conference papers on the topic "Iws"

"IWS 2019 Greetings." In 2019 IEEE MTT-S International Wireless Symposium (IWS). IEEE, 2019. http://dx.doi.org/10.1109/ieee-iws.2019.8804050.

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Sandholm, Thomas, April Mitchell, Alex Vorbau, Elsa Kosmack Vaara, and Jonas Söderberg. "IWS: interacting with sound." In the 13th International Conference. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/2037373.2037498.

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"IWS 2019 Committee Officers." In 2019 IEEE MTT-S International Wireless Symposium (IWS). IEEE, 2019. http://dx.doi.org/10.1109/ieee-iws.2019.8804103.

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"[IWS 2019 Title page]." In 2019 IEEE MTT-S International Wireless Symposium (IWS). IEEE, 2019. http://dx.doi.org/10.1109/ieee-iws.2019.8803904.

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"IWS 2019 Committee Members." In 2019 IEEE MTT-S International Wireless Symposium (IWS). IEEE, 2019. http://dx.doi.org/10.1109/ieee-iws.2019.8803853.

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"IWS 2020 Committee Officers." In 2020 IEEE MTT-S International Wireless Symposium (IWS). IEEE, 2020. http://dx.doi.org/10.1109/iws49314.2020.9360135.

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"IWS 2021 Committee Officers." In 2021 IEEE MTT-S International Wireless Symposium (IWS). IEEE, 2021. http://dx.doi.org/10.1109/iws52775.2021.9499532.

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"IWS 2020 Technical Program Committee Members." In 2020 IEEE MTT-S International Wireless Symposium (IWS). IEEE, 2020. http://dx.doi.org/10.1109/iws49314.2020.9360032.

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"IWS 2021 Technical Program Committee Members." In 2021 IEEE MTT-S International Wireless Symposium (IWS). IEEE, 2021. http://dx.doi.org/10.1109/iws52775.2021.9499564.

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Zhao, Wen-Sheng, Wen-Yan Yin, and Yong-Xin Guo. "Electrical modeling of multi-walled carbon nanotube (MWCNT)-based capacitors for high-density RF integration." In 2013 IEEE International Wireless Symposium (IWS). IEEE, 2013. http://dx.doi.org/10.1109/ieee-iws.2013.6616693.

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Reports on the topic "Iws"

Aldajah, S., G. Fenske, L. Ajayi, C. Reed, Z. Xu, and R. DiMelfi. Laser glazing of rails - WBB/IWS tests (CNRC-Ottawa). Office of Scientific and Technical Information (OSTI), January 2005. http://dx.doi.org/10.2172/838255.

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Farhi, Emmanuel, and Matteo Maggiori. China vs. U.S.: IMS Meets IPS. Cambridge, MA: National Bureau of Economic Research, January 2019. http://dx.doi.org/10.3386/w25469.

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Skoog, Lawrence. Labor Violence: the Centralia Case, the IWW and its Enemies. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.2297.

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Ilzetzki, Ethan, Carmen Reinhart, and Kenneth Rogoff. Why Is the Euro Punching Below Its Weight? Cambridge, MA: National Bureau of Economic Research, February 2020. http://dx.doi.org/10.3386/w26760.

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Canavan, G. SDI (Strategic Defense Initiative): Is its future past. Office of Scientific and Technical Information (OSTI), March 1990. http://dx.doi.org/10.2172/7169759.

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Adams, James. Is the U.S. Losing Its Preeminence in Higher Education? Cambridge, MA: National Bureau of Economic Research, August 2009. http://dx.doi.org/10.3386/w15233.

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Fogel, Robert. Why China is Likely to Achieve its Growth Objectives. Cambridge, MA: National Bureau of Economic Research, March 2006. http://dx.doi.org/10.3386/w12122.

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O'Donnell, Rick. FCS: Why the Army Is Challenged to Show Its Value. Fort Belvoir, VA: Defense Technical Information Center, March 2008. http://dx.doi.org/10.21236/ada479808.

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Buntin, Melinda Beeuwkes, Anita Datar Garten, Susan Paddock, Debra Saliba, Mark Totten, and Jose Escarce. How Much is Post-Acute Care Use Affected by Its Availability? Cambridge, MA: National Bureau of Economic Research, April 2004. http://dx.doi.org/10.3386/w10424.

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Ewens, Michael, and Matthew Rhodes-Kropf. Is a VC Partnership Greater than the Sum of its Partners? Cambridge, MA: National Bureau of Economic Research, June 2013. http://dx.doi.org/10.3386/w19120.

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