Search results for "INTERNET"
showing 10 items of 2589 documents
Internet matarà o salvarà la premsa científica? L'experiència de la revista francesa 'La Recherche'
2014
Des que es va començar a desenvolupar, no fa ni vint anys, Internet ha trasbalsat el paisatge mediàtic, començant per l’escrit. Els diaris de paper han hagut de prendre-ho ben en compte. En aquest article presentem una panoràmica de la situació de la divulgació científica a França a partir de l’experiència de La Recherche, una revista mensual de divulgació científica, i de la d’altres mitjans francesos.
Deploying Virtual MAC Protocols Over a Shared Access Infrastructure Using MAClets
2013
Network virtualization has been extensively researched in the last years as a key enabler for improving the network performance. However, virtualization in wireless networks pose some unique challenges: first, the usual over-provisioning approach for providing isolation between multiple virtual entities is not viable; second, the partitioning criteria are often ambiguous, since the actual resources perceived by each entity depend on many external (and time-varying) factors. In this demo, we show an effective virtualization solution for wireless local area networks, solving the problem of isolation and flexible resource paritioning, based on the concept of MAClets. MAClets are software progr…
Self-reported dependence on mobile phones in young adults: A European cross-cultural empirical survey
2017
Background and aims: Despite many positive benefits, mobile phone use can be associated with harmful and detrimental behaviors. The aim of this study was twofold: to examine (a) cross-cultural patterns of perceived dependence on mobile phones in ten European countries, first, grouped in four different regions (North: Finland and UK; South: Spain and Italy; East: Hungary and Poland; West: France, Belgium, Germany, and Switzerland), and second by country, and (b) how socio-demographics, geographic differences, mobile phone usage patterns, and associated activities predicted this perceived dependence.\ud \ud Methods: A sample of 2,775 young adults (aged 18–29 years) were recruited in different…
Learning Environments in the 21st Century: A Mapping of the Literature
2020
Education has been transformed by significant breakthroughs in AI, mobile internet, cloud computing and Big Data technologies. More personalized educational settings are developed by increasingly integrating contemporary learning environments with new technologies. However, few examples of executed AI enabled learning interventions have been identified. Therefore, a mapping of literature on AI enabled learning systems was done. 121 studies published in the last five years were analyzed. This paper presents a discussion regarding on what mainly AI enabled contemporary learning environments are designed to achieve. The major contribution of the study is bringing awareness to researchers and s…
The Role of the Internet in Overcoming Information Barriers: Implications for Exporting SMEs of the East African Community
2012
Small and medium-sized enterprises play a significant role in the East African Community, contributing highly to the national income and employing a significant number of people. Exportation provides a great opportunity for these enterprises to expand their businesses and improve their performance. However, they encounter a number of information- related barriers before and during exportation. Based on literature, this paper identifies these barriers and discusses how the internet could be used to reduce them. Based on the internet, international business and small business literature, the paper provides propositions and develops a model that will be useful for future studies in this area.
Static vs. dynamic liking in chewing gum: a new approach using a background task and a natural setting
2013
Fil: Galmarini, Mara Virginia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Galmarini, Mara Virginia. Pontificia Universidad Católica Argentina. Facultad de Ciencias Agrarias; Argentina Fil: Symoneaux, R. Universidad de Nantes Angers Le Mans; Francia Fil: Visalli, Michel. Centro de Ciencias de los Alimentos y el Sabor; Francia Fil: Zamora, María Clara. Pontificia Universidad Católica Argentina. Facultad de Ciencias Agrarias; Argentina Fil: Zamora, María Clara. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Schlich, Pascal. Centro de Ciencias de los Alimentos y el Sabor; Francia Abstract: Chewing gum is a particular product, consumed …
Kultūras komunikācija interneta medijos: interneta portāla Satori.lv analīze (2003-2015)
2016
Bakalaura darba „Kultūras komunikācija interneta medijos: interneta portāla Satori.lv analīze (2003–2015)” pētnieciskie jautājumi ir par Satori.lv satura attīstības un maiņas tendencēm 12 gadu garumā. Pētījums balstīts uz Garija Vennela (Garry Whannel) triangulāro shēmu, kas tika modificēta, pielāgojot to minētā portāla pētniecībai. Shēmas elementu aizvietošana un tālāka noteikšana notiek, izmantojot rāmējuma analīzi, taču ar kontentanalīzi sistematizēts rakstu kopējais raksturojums un dalījums pēc žanra. Pētījuma mērķis ir uzzināt, vai un kā no pirmsākumiem ir/nav mainījusies portāla materiālu tematika, vai ir kādas tēmas pārsvars konkrētajā laikā. Pētījumā tiks izmantoti materiāli, sākot …
Argumentation in Secondary School Students' Structured and Unstructured Chat Discussions
2012
Joint construction of new knowledge demands that persons can express their statements in a convincing way and explore other people's arguments constructively. For this reason, more knowledge on different means to support collaborative argumentation is needed. This study clarifies whether structured interaction supports students' critical and elaborative argumentation. The study compares the quality of secondary school students' argumentation during structured and unstructured chat interaction. The data consist of 16 dyadic chat discussions: 8 discussions concerned vivisection and 8 gender equality. Half of the discussions were carried out through structured chat, and the other half through…
A critical review on the implementation of static data sampling techniques to detect network attacks
2021
International audience; Given that the Internet traffic speed and volume are growing at a rapid pace, monitoring the network in a real-time manner has introduced several issues in terms of computing and storage capabilities. Fast processing of traffic data and early warnings on the detected attacks are required while maintaining a single pass over the traffic measurements. To palliate these problems, one can reduce the amount of traffic to be processed by using a sampling technique and detect the attacks based on the sampled traffic. Different parameters have an impact on the efficiency of this process, mainly, the applied sampling policy and sampling ratio. In this paper, we investigate th…
Interference Cancellation for LoRa Gateways and Impact on Network Capacity
2021
In this paper we propose LoRaSyNc (LoRa receiver with SyNchronization and Cancellation), a second generation LoRa receiver that implements Successive Interference Cancellation (SIC) and time synchronization to improve the performance of LoRa gateways. Indeed, the chirp spread spectrum modulation employed in LoRa experiences very high capture probability, and cancelling the strongest signal in case of collisions can significantly improve the cell capacity. An important feature of LoRaSyNc is the ability to track the frequency and clock drifts between the transmitter and receiver, during the whole demodulation of the interfered frame. Due to the use of low-cost oscillators on end-devices, a s…