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  • 1
    Online Resource
    Online Resource
    Emerald ; 2021
    In:  Interactive Technology and Smart Education Vol. 18, No. 1 ( 2021-05-19), p. 50-68
    In: Interactive Technology and Smart Education, Emerald, Vol. 18, No. 1 ( 2021-05-19), p. 50-68
    Abstract: The purpose of this paper is to present principles for personalization of both learning content and gameplay in serious games for learning, which are based on a combined model of the student that comprises user, learner and player-related aspects of the student’s profile. Each of the considered user, learner and player sub-models has a static and dynamic group of characteristics. These characteristics assist general approaches for learning mazes game personalization applied to embedded mini-games (designed as information units, learning objects and educational tasks) so that to be adjustable and to enable learners to acquire knowledge more effectively. Design/methodology/approach A student modelling approach was applied to design the personalization of learning content in the educational maze game and each of them contained mini-games. To evaluate the student’s preferences about the types of mini-games and ways of their personalization depending on individual and group student characteristics, the authors conducted an online survey. Findings This study presents examples of personalization of four types of mini-games available in maze halls, namely, question, searching, arranging and action games. Next, the research discusses findings from an online survey aiming at the evaluation of the preferred types of mini-games and the way of their personalization. There are analysed results concerning the impact of the student model characteristics on the preferred ways of personalization in educational maze games, together with criteria for personalization of educational resources according to student’s level of knowledge, age, goals and learning style. Research limitations/implications A significant limitation of the research is the relatively small number of survey participants and the lack of studying the impact of learning and playing styles over game personalization. Another limitation of the study is the inclusion of only some of the mini-games within the demonstration maze, which respondents play before answering the survey questions. Originality/value This paper presents original research on the personalization of educational maze game based on a model of the student profile that comprises both static and dynamic properties reflecting user, learner and player-related aspects of the student character, together with results obtained from an online survey.
    Type of Medium: Online Resource
    ISSN: 1741-5659 , 1741-5659
    Language: English
    Publisher: Emerald
    Publication Date: 2021
    detail.hit.zdb_id: 2423837-5
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  • 2
    Online Resource
    Online Resource
    MDPI AG ; 2021
    In:  Sustainability Vol. 14, No. 1 ( 2021-12-21), p. 7-
    In: Sustainability, MDPI AG, Vol. 14, No. 1 ( 2021-12-21), p. 7-
    Abstract: Climate resilience competencies improve people’s capacity to recognize and adopt strategies for mitigating negative climate effects. Especially concerning the built cultural heritage protection in the coastal areas, both professionals and citizens have to be prepared for water-related extreme events, such as floods, sea-level rise, and altered precipitation. Considering these challenges, the authors explore the efficiency of serious video games and describe the process of design and validation of the pilot educational online maze game “Let us save Venice”. More specifically, the main research question motivating the study is to identify what the experience factors and the mini-games are that contribute mostly to raising awareness to climate resilience and built heritage sustainability. The question implies two main research objectives: first, to explore what role user-centered game design plays in creating immersive and enjoyable educational video maze games, and second, to investigate which factors influence user experience and game playability in the design phase, and how they contribute to learnability and raising awareness. The background section of the article focuses on a preliminary study of the educational potential of serious games and introduces the EU-funded project e-Creha. Then, it explores the process of game design, development, and validation, focusing on metrics such as game learnability and game experience. The results outline the main findings that immersion, positive affect, and competence appeared to be the main experience factors contributing to raising awareness to climate resilience and built heritage sustainability. Lastly, the discussion section provides further directions for game improvement and future work.
    Type of Medium: Online Resource
    ISSN: 2071-1050
    Language: English
    Publisher: MDPI AG
    Publication Date: 2021
    detail.hit.zdb_id: 2518383-7
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  • 3
    Online Resource
    Online Resource
    MDPI AG ; 2022
    In:  Sustainability Vol. 14, No. 11 ( 2022-06-01), p. 6794-
    In: Sustainability, MDPI AG, Vol. 14, No. 11 ( 2022-06-01), p. 6794-
    Abstract: Personalized learning has gained in popularity over the past decade. It provides learners with learning resources that comply with their characteristics and preferences or offers them tasks and quizzes adapted to their performance. This research presents how we apply this concept to an educational video maze game created and generated on the APOGEE platform. In particular, this article explores the following three research questions: (1) Which characteristics in the student’s model should be considered for the personalization of educational video games? (2) What are the student’s preferences regarding the personalization of educational video games? (3) How should the process of personalization of educational video games be organized? The answers to these questions are found by conducting practical experiments concerning user experience with the educational maze video game. The article also describes the model of students comprising user’s, learner’s, and player’s aspects with both static and dynamic features. Further, the personalization process of educational games based on this model is described. The results showing the student’s preferences are presented and critically examined. The provided discussion involves the disparities in the preferences of different groups of students concerning the amounts of play of learning games, preferred mini-games, and parameters to which educational materials should be tailored.
    Type of Medium: Online Resource
    ISSN: 2071-1050
    Language: English
    Publisher: MDPI AG
    Publication Date: 2022
    detail.hit.zdb_id: 2518383-7
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  • 4
    Online Resource
    Online Resource
    Springer Science and Business Media LLC ; 2002
    In:  MRS Proceedings Vol. 732 ( 2002)
    In: MRS Proceedings, Springer Science and Business Media LLC, Vol. 732 ( 2002)
    Abstract: In this work novel slurries both for copper and tantalum nitride removal were developed. In the first step the Cu bulk is removed, by using high selective slurry, which stops on the underlying TaN barrier. The selectivity of Cu vs. TaN achieved with this slurry is larger than 1/100. High selective second step slurry is further introduced for removing the barrier material. In the present work data concerning dishing and erosion will be presented as a function of line width and pattern density across the wafer. Electrical yield measurements on shorts and opens of meander-fork structures will be discussed.
    Type of Medium: Online Resource
    ISSN: 0272-9172 , 1946-4274
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2002
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  • 5
    Online Resource
    Online Resource
    Elsevier BV ; 2021
    In:  IFAC-PapersOnLine Vol. 54, No. 13 ( 2021), p. 363-368
    In: IFAC-PapersOnLine, Elsevier BV, Vol. 54, No. 13 ( 2021), p. 363-368
    Type of Medium: Online Resource
    ISSN: 2405-8963
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2021
    detail.hit.zdb_id: 2839185-8
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  • 6
    Online Resource
    Online Resource
    The Electrochemical Society ; 2006
    In:  ECS Transactions Vol. 3, No. 7 ( 2006-10-20), p. 1023-1031
    In: ECS Transactions, The Electrochemical Society, Vol. 3, No. 7 ( 2006-10-20), p. 1023-1031
    Abstract: Ultra-thin SiGe films on insulator with high Ge fraction were fabricated through Ge condensation. To achieve that strained Si 0.75 Ge 0.25 layers were grown epitaxially on SOI wafers and oxidized in O 2 at 1150ºC for various times. Raman measurements and X-TEM revealed the importance of purity of oxidation ambient for the oxidation process. Traces of moisture in the oxygen flux accelerate the process causing a switch from dry to wet oxidation mechanism, leading to complete oxidation of the starting layer in only 1 hour.The crystal quality and overall uniformity of such layers however is poor. The use of 100% dry oxygen provides the necessary control over the oxidation process. This allowed relaxed SiGe layers with concentration of Ge up to 45% and higher to be obtained. X-TEM indicated good crystalline quality and uniform layers with no threading dislocations or other defects introduced during oxidation.
    Type of Medium: Online Resource
    ISSN: 1938-5862 , 1938-6737
    Language: Unknown
    Publisher: The Electrochemical Society
    Publication Date: 2006
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  • 7
    Online Resource
    Online Resource
    Elsevier BV ; 2006
    In:  Materials Science in Semiconductor Processing Vol. 9, No. 4-5 ( 2006-8), p. 449-453
    In: Materials Science in Semiconductor Processing, Elsevier BV, Vol. 9, No. 4-5 ( 2006-8), p. 449-453
    Type of Medium: Online Resource
    ISSN: 1369-8001
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2006
    detail.hit.zdb_id: 2029689-7
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  • 8
    In: Annals of Applied Biology, Wiley, Vol. 177, No. 3 ( 2020-11), p. 308-324
    Abstract: Plum pox virus (PPV) is the causal agent of sharka, the most devastating virus disease of Prunus species. PPV is transmitted by vegetative propagation, particularly by grafting, as well as by aphid species in a nonpersistent manner. The objective of this paper was to evaluate the prevalence and diversity of PPV‐vector aphid species in representative European areas of prunus cultivation. Four experimental nursery plots were established in Skierniewice (Poland), Liria (Spain), Plovdiv (Bulgaria) and Bistrita (Romania). Aphid population was weekly monitored using the sticky shoot method in spring and/or autumn in each nursery plot. Furthermore, we estimated the relative efficiency factor for the main PPV‐vector aphid species using bibliographic and reference data. Aphid diversity in each nursery plot was assessed using the Shannon index and the number of estimated aphid species was calculated by the rarefaction method. The highest diversity of aphid species population was reported in Plovdiv in spring while the lowest diversity was found in Liria in spring. A cluster analysis based on Morisita–Horn similarity index was performed to study the differences in species composition between the four nursery plots and seasons. Aphid population was clearly grouped by location and season. Results showed Aphis spiraecola and Hyalopterus pruni complex were typically spring aphid species, while Anoecia corni and Rhopalosiphum padi dominated autumn catch. Regarding PPV‐vector aphid species present in nursery plots, A. spiraecola was the most prevalent PPV‐vector aphid species in Liria and in Bistrita, showing a high relative efficiency factor of PPV transmission (0.91). Consequently, A. spiraecola should be considered a key actor in the spread of PPV in these regions. Hyalopterus pruni complex was the most prevalent PPV‐vector aphid species in Skierniewice and Plovdiv, showing a very low relative efficiency factor of PPV transmission (0.09). Therefore, the role of H. pruni complex in spread of PPV in these regions can be considered negligible. Furthermore, we statistically demonstrated that the presence of specific PPV‐vector aphid species is associated with the spread of the disease, whereas the biodiversity of aphid species population does not affect the spread of PPV. Finally, the advantages of the use of vector pressure index in the management of sharka disease are discussed.
    Type of Medium: Online Resource
    ISSN: 0003-4746 , 1744-7348
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2020
    detail.hit.zdb_id: 2025001-0
    SSG: 12
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  • 9
    In: ECS Transactions, The Electrochemical Society, Vol. 11, No. 4 ( 2007-09-28), p. 479-493
    Abstract: Germanium possesses higher bulk mobilities than silicon and was used for the first transistors. However, by the 1960s its use was largely supplanted with Si due largely to Si's high quality thermal oxide. Today, with the 45 nm technology node in production, high k dielectrics are beginning to replace SiO2 in the gate, and as such, one of the key reasons for using Si is no longer as relevant. This, combined with performance concerns for Si based devices for and beyond the 22 nm node has made Ge a worthy area for research for high performance devices. In this paper, we give an overview of some of the major issues for Ge MOSFETs, illustrating recent progress using data from IMEC. Key results include a factor of 10 reduction in threading dislocations for epi Ge on Si by the use of an ~850{degree sign}C anneal, the first successful use of As halo implants, progress on optimization of activation anneals, the use of a thin epitaxial Si passivation and its impact on threshold voltage, a 2-step anneal NiGe process flow to drastically reduce defects, and the importance of a hydrogen anneal following metallization.
    Type of Medium: Online Resource
    ISSN: 1938-5862 , 1938-6737
    Language: Unknown
    Publisher: The Electrochemical Society
    Publication Date: 2007
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  • 10
    In: ECS Transactions, The Electrochemical Society, Vol. 3, No. 7 ( 2006-10-20), p. 783-787
    Abstract: Passivation of the channel in the gate stack is the most important problem for introducing another material than silicon into the channel of CMOS devices. In order to compare the mobility values of different passivation techniques, we propose to use a parameter, which is a proportional to the drive current of the transistor. We call this parameter the channel mobility value and it is calculated from the transistor equation. This channel mobility value can be used to benchmark more consistently the different passivation techniques on germanium or other semiconductor materials. A second issue for CMOS scaling on Ge is the poor performance of nMOS devices and there seems no solution in sight for this problem. Therefore we promote the investigation of technologies to allow the introduction of III-V materials on Ge to make nMOS devices in III-V devices complementary with Ge pMOS. A third key issue is the development of a manufacturable and low defect density germanium-on-insulator (GeOI) technology on 200mm and larger substrate sizes.
    Type of Medium: Online Resource
    ISSN: 1938-5862 , 1938-6737
    Language: Unknown
    Publisher: The Electrochemical Society
    Publication Date: 2006
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