Virtual Community Ventures: Success Drivers in the Case of Online Video Sharing

A recent wave of Internet-related entrepreneurship focused on virtual communities. It produced User-Community-Driven Internet ventures (UCDI-ventures), characterized by (1) user-contributed content, (2) network effects, and (3), an interactive community. Whereas light pole examples such as YouTube, MySpace, or Facebook have received high capital market valuations, many other ventures have failed, making research on the phenomenon and related success drivers worthwhile. This paper integrates three general venture success drivers from the entrepreneurship literature and two specific UCDIventure related ones. Drawing on the case of the online video sharing community Clipfish in Germany, it demonstrates the relevance of the proposed UCDI-venture success drivers. The paper concludes with an assessment of the five success drivers and suggests three steps of future research

OVERCOMING CHALLENGES IN VIRTUAL CLASSROOM TO MAINTAIN EFFECTIVE CLASSROOM MANAGEMENT AND CLASSROOM CULTURE: A CASE STUDY AT ONE VOCATIONAL SCHOOL

Effective classroom management supports the teacher classroom teaching profoundly. During Pandemic COVID 19 most classroom teachings are conducted in virtual classroom that have been greatly affected the way how teacher manage his or her own classroom. This causes some challenges for teachers in managing his or her virtual classroom. This study was conducted in the form of a case study in one vocational school in West Bandung region, West Java, Indonesia in which one English teacher was purposively selected as the participant of the research and one class consisted of 27 students. The objectives of this study are: (1) to find out the challenges of teacher in classroom management in virtual classroom (2) to find out what classroom management the teacher used in her virtual classroom. The researchers employed a qualitative case study which used classroom observation and teacher interview as main instrument. Data from classroom observation and interview transcript were analyzed according to the themes, coding and categorizing to answer the research questions. The results indicate that the teacher experienced many challenges in the virtual classroom, such as the students’ unreadiness to join the virtual class, internet connection problem, restricted time so that the teacher immediately taught the core material, students turned off the camera and sound, students learnt unattentively, less interaction and inappropriate class control. Some suggestions are given to the challenges occurred in their virtual classroom such as, by a) joining the virtual classroom earlier; b) checking the students’ attendance first; c) optimizing the teacher-students interaction during whilst- learning and post learning activity; and d) giving quizzes at the end of the lesson to make the students are more enthusiastic in learning. In this study, it is found that the teacher employed a combination of democratic and leisurely classroom management style. This finding leads to the point where a new style for virtual classroom management called Maye’s Conceptualization Model is proposed.&nbsp

OVERCOMING CHALLENGES IN VIRTUAL CLASSROOM TO MAINTAIN EFFECTIVE CLASSROOM MANAGEMENT AND CLASSROOM CULTURE: A CASE STUDY AT ONE VOCATIONAL SCHOOL

Effective classroom management supports the teacher classroom teaching profoundly. During Pandemic COVID 19 most classroom teachings are conducted in virtual classroom that have been greatly affected the way how teacher manage his or her own classroom. This causes some challenges for teachers in managing his or her virtual classroom. This study was conducted in the form of a case study in one vocational school in West Bandung region, West Java, Indonesia in which one English teacher was purposively selected as the participant of the research and one class consisted of 27 students. The objectives of this study are: (1) to find out the challenges of teacher in classroom management in virtual classroom (2) to find out what classroom management the teacher used in her virtual classroom. The researchers employed a qualitative case study which used classroom observation and teacher interview as main instrument. Data from classroom observation and interview transcript were analyzed according to the themes, coding and categorizing to answer the research questions. The results indicate that the teacher experienced many challenges in the virtual classroom, such as the students’ unreadiness to join the virtual class, internet connection problem, restricted time so that the teacher immediately taught the core material, students turned off the camera and sound, students learnt unattentively, less interaction and inappropriate class control. Some suggestions are given to the challenges occurred in their virtual classroom such as, by a) joining the virtual classroom earlier; b) checking the students’ attendance first; c) optimizing the teacher-students interaction during whilst- learning and post learning activity; and d) giving quizzes at the end of the lesson to make the students are more enthusiastic in learning. In this study, it is found that the teacher employed a combination of democratic and leisurely classroom management style. This finding leads to the point where a new style for virtual classroom management called Maye’s Conceptualization Model is proposed.&nbsp

Analysis and enhancement of interpersonal coordination using inertial measurement unit solutions

Die heutigen mobilen Kommunikationstechnologien haben den Umfang der verbalen und textbasierten Kommunikation mit anderen Menschen, sozialen Robotern und künstlicher Intelligenz erhöht. Auf der anderen Seite reduzieren diese Technologien die nonverbale und die direkte persönliche Kommunikation, was zu einer gesellschaftlichen Thematik geworden ist, weil die Verringerung der direkten persönlichen Interaktionen eine angemessene Wahrnehmung sozialer und umgebungsbedingter Reizmuster erschweren und die Entwicklung allgemeiner sozialer Fähigkeiten bremsen könnte. Wissenschaftler haben aktuell die Bedeutung nonverbaler zwischenmenschlicher Aktivitäten als soziale Fähigkeiten untersucht, indem sie menschliche Verhaltensmuster in Zusammenhang mit den jeweilgen neurophysiologischen Aktivierungsmustern analzsiert haben. Solche Querschnittsansätze werden auch im Forschungsprojekt der Europäischen Union "Socializing sensori-motor contingencies" (socSMCs) verfolgt, das darauf abzielt, die Leistungsfähigkeit sozialer Roboter zu verbessern und Autismus-Spektrumsstörungen (ASD) adäquat zu behandeln. In diesem Zusammenhang ist die Modellierung und das Benchmarking des Sozialverhaltens gesunder Menschen eine Grundlage für theorieorientierte und experimentelle Studien zum weiterführenden Verständnis und zur Unterstützung interpersoneller Koordination. In diesem Zusammenhang wurden zwei verschiedene empirische Kategorien in Abhängigkeit von der Entfernung der Interagierenden zueinander vorgeschlagen: distale vs. proximale Interaktionssettings, da sich die Struktur der beteiligten kognitiven Systeme zwischen den Kategorien ändert und sich die Ebene der erwachsenden socSMCs verschiebt. Da diese Dissertation im Rahmen des socSMCs-Projekts entstanden ist, wurden Interaktionssettings für beide Kategorien (distal und proximal) entwickelt. Zudem wurden Ein-Sensor-Lösungen zur Reduzierung des Messaufwands (und auch der Kosten) entwickelt, um eine Messung ausgesuchter Verhaltensparameter bei einer Vielzahl von Menschen und sozialen Interaktionen zu ermöglichen. Zunächst wurden Algorithmen für eine kopfgetragene Trägheitsmesseinheit (H-IMU) zur Messung der menschlichen Kinematik als eine Ein-Sensor-Lösung entwickelt. Die Ergebnisse bestätigten, dass die H-IMU die eigenen Gangparameter unabhängig voneinander allein auf Basis der Kopfkinematik messen kann. Zweitens wurden—als ein distales socSMC-Setting—die interpersonellen Kopplungen mit einem Bezug auf drei interagierende Merkmale von „Übereinstimmung“ (engl.: rapport) behandelt: Positivität, gegenseitige Aufmerksamkeit und Koordination. Die H-IMUs überwachten bestimmte soziale Verhaltensereignisse, die sich auf die Kinematik der Kopforientierung und Oszillation während des Gehens und Sprechens stützen, so dass der Grad der Übereinstimmung geschätzt werden konnte. Schließlich belegten die Ergebnisse einer experimentellen Studie, die zu einer kollaborativen Aufgabe mit der entwickelten IMU-basierten Tablet-Anwendung durchgeführt wurde, unterschiedliche Wirkungen verschiedener audio-motorischer Feedbackformen für eine Unterstützung der interpersonellen Koordination in der Kategorie proximaler sensomotorischer Kontingenzen. Diese Dissertation hat einen intensiven interdisziplinären Charakter: Technologische Anforderungen in den Bereichen der Sensortechnologie und der Softwareentwicklung mussten in direktem Bezug auf vordefinierte verhaltenswissenschaftliche Fragestellungen entwickelt und angewendet bzw. gelöst werden—und dies in zwei unterschiedlichen Domänen (distal, proximal). Der gegebene Bezugsrahmen wurde als eine große Herausforderung bei der Entwicklung der beschriebenen Methoden und Settings wahrgenommen. Die vorgeschlagenen IMU-basierten Lösungen könnten dank der weit verbreiteten IMU-basierten mobilen Geräte zukünftig in verschiedene Anwendungen perspektiv reich integriert werden.Today’s mobile communication technologies have increased verbal and text-based communication with other humans, social robots and intelligent virtual assistants. On the other hand, the technologies reduce face-to-face communication. This social issue is critical because decreasing direct interactions may cause difficulty in reading social and environmental cues, thereby impeding the development of overall social skills. Recently, scientists have studied the importance of nonverbal interpersonal activities to social skills, by measuring human behavioral and neurophysiological patterns. These interdisciplinary approaches are in line with the European Union research project, “Socializing sensorimotor contingencies” (socSMCs), which aims to improve the capability of social robots and properly deal with autism spectrum disorder (ASD). Therefore, modelling and benchmarking healthy humans’ social behavior are fundamental to establish a foundation for research on emergence and enhancement of interpersonal coordination. In this research project, two different experimental settings were categorized depending on interactants’ distance: distal and proximal settings, where the structure of engaged cognitive systems changes, and the level of socSMCs differs. As a part of the project, this dissertation work referred to this spatial framework. Additionally, single-sensor solutions were developed to reduce costs and efforts in measuring human behaviors, recognizing the social behaviors, and enhancing interpersonal coordination. First of all, algorithms using a head worn inertial measurement unit (H-IMU) were developed to measure human kinematics, as a baseline for social behaviors. The results confirmed that the H-IMU can measure individual gait parameters by analyzing only head kinematics. Secondly, as a distal sensorimotor contingency, interpersonal relationship was considered with respect to a dynamic structure of three interacting components: positivity, mutual attentiveness, and coordination. The H-IMUs monitored the social behavioral events relying on kinematics of the head orientation and oscillation during walk and talk, which can contribute to estimate the level of rapport. Finally, in a new collaborative task with the proposed IMU-based tablet application, results verified effects of different auditory-motor feedbacks on the enhancement of interpersonal coordination in a proximal setting. This dissertation has an intensive interdisciplinary character: Technological development, in the areas of sensor and software engineering, was required to apply to or solve issues in direct relation to predefined behavioral scientific questions in two different settings (distal and proximal). The given frame served as a reference in the development of the methods and settings in this dissertation. The proposed IMU-based solutions are also promising for various future applications due to widespread wearable devices with IMUs.European Commission/HORIZON2020-FETPROACT-2014/641321/E

Facebook, Writing and Language Learner Variables at a Large Metropolitan Community College

This study gathered information on student engagement with Facebook, and described non-native English speakers' (NNS) expectations and experience. This also assessed the relationship this technology has with writing efficacy and compared NNS and native English speakers (NS) groups. Demographic data were collected and means were compared to examine how NNS benefit from engagement with Facebook. Correlations and ANOVA were performed. The study found, consistent with other studies, that the overwhelming majority of students are on Facebook, and that they tend to spend approximately 30 minutes per day on the site, checking in almost every day. The number of friends on Facebook did not correlate with any measures of writing success including: confidence, grades or success based on the assessment of the writing sample. Likewise the amount of time spent on Facebook per day had no significant relationship to any measures of writing success for NNS or NS. This study did not directly find that engagement with Facebook offered clear advantages to writing for either NNS or NS. The ways that NNS and NS engage with the site and how that relates to measures of writing success were not significantly different

Energy efficient resource sharing for networked homes

Diese Arbeit beschäftigt sich mit Energieeffizienz für Heimnetzwerke. Sie zeigt inwiefern Stromsparen mittels Ressourcen- und Aufgaben-Sharing durch Kooperation möglich ist. Der globale Stromverbrauch eines Netzwerkes von Heimen, und auch der lokale Stromverbrauch eines einzelnen Heimes, können durch Lastkonzentration reduziert werden. Die Energieeffizienz des verteilten Falls, in welchem Aufgaben unter den Heimen verteilt werden, wird mit der Energieeffizienz des lokalen Falls ohne Verteilung für die gleiche Last verglichen. Eine Architektur, basierend auf Konzepten des Ressourcen-Sharings, der Virtualisierung und virtuellen Heimumgebungen, wird vorgestellt. Für diese Architektur werden Applikationen mit typischen Ressourcen-Anforderungen erforscht um aufzuzeigen unter welchen Umständen Strom gespart werden kann. Analytische Modelle und Simulationsmodelle sind entwickelt worden um den Vorteil des verteilten Falls unter verschiedenen Aspekten darzustellen

Parental Perceptions of the Influence of Digital Media and Technology on Children\u27s Reading Habits at Home

This study explored parental perceptions of the influence of digital media and technology on children’s home reading habits, the routines and repeated activities related to reading that occur within the homes of six families located in a mixed rural/urban area of Northern Utah. Data gathered showed how parent’s childhood experiences influenced the creation of rules, spatial arrangements, routines, and family identity. Comparisons were made to Bronfenbrenner’s ecological systems model, specifically in the areas of dyads, N + 2 systems, microsystems, molar activities, settings, roles, and transitions. Findings showed parents have concerns about how to best foster reading at home within a society inundated by technology and digital media. Recommendations are given for schools to consider and leverage roles played by parents in development of reading and literacy skills at home and how technology and digital media can support those skills

Doing Experimental Media Archaeology

The volume aims at taking the materiality of past media devices seriously and explores the heuristic possibilities of an experimental study of these devices. It offers a sophisticated reflection on the epistemological and heuristic potential of hands-on media historical research

Energy-aware and adaptive fog storage mechanism with data replication ruled by spatio-temporal content popularity

Data traffic demand increases at a very fast pace in edge networking environments, with strict requisites on latency and throughput. To fulfil these requirements, among others, this paper proposes a fog storage system that incorporates mobile nodes as content providers. This fog storage system has a hybrid design because it does not only bring data closer to edge consumers but, as a novelty, it also incorporates in the system other relevant functional aspects. These novel aspects are the user data demand, the energy consumption, and the node distance. In this way, the decision whether to replicate data is based on an original edge service managed by an adaptive distance metric for node clustering. The adaptive distance is evaluated from several important system parameters like, distance from consumer to the data storage location, spatio-temporal data popularity, and the autonomy of each battery-powered node. Testbed results evidence that this flexible cluster-based proposal offers a more responsive data access to consumers, reduces core traffic, and depletes in a fair way the available battery energy of edge nodes.info:eu-repo/semantics/acceptedVersio