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With the help of Internet, Massive Open Online Courses (MOOC) are recognized as a new path to learn courses via the web instead of in the traditional classrooms. MOOC can break many limits such as distance, time, participants, on the traditional courses. At the same time, it brings some new issues, such as high drop out ratio. Nowadays increasing MOOC courses are available and even more common people...
Recently, internet technology is widely used in day-to-day life. It is an interconnected computer networks which uses internet protocol that transmits data. Now days, many colleges and universities used internet technology applications. It helps in solving problems. Such as, filling online application form, teaching through e-learning, providing live project knowledge with help of educational and...
Research is born and brought up in universities and reputed institutions. The engineering education is having significant contribution towards research. Engineers play an important role in development of technologies in all the fields and facilitate them to lay man. This happens only through research. Scientific Research is well disciplined study in order to find the solution, prove a theory or answer...
Standardization of Internet protocols is usually a somewhat slow process. The reasons for this are manifold. Besides working out the protocol details, things like opposing stakeholder interests can prolong the consensus building process, new requirements might be introduced that require technical changes to the protocol, coordination across standards developing organizations (SDOs) might add delays...
Many present-day datasets, such as social networks, biological networks, citation networks can essentially be modeled as Time-Evolving Graphs (TEGs). Partitioning such graphs into smaller components has applications in many diverse domains. However, utilizing the traditional static graph partitioning methods for such graphs does not meet the scale at which they evolve due to high computation cost...
In the cache networks, bringing the contents closer to the end users by caching them at the edge nodes helps to reduce the transit traffic and to increase the quality-of-experience of the end users. Recently, adaptive bit-rate (ABR) streaming becomes a major technique to deliver the video contents to the end users in the Internet. With ABR, each video content is stored with several levels of representations...
The level of trust accorded to certification authorities has been decreasing over the last few years as several cases of misbehavior and compromise have been observed. Log-based approaches, such as Certificate Transparency, ensure that fraudulent TLS certificates become publicly visible. However, a key element that log-based approaches still lack is a way for clients to verify that the log behaves...
Many users do not realize whether their devices become bots or not. There are many security accidents due to malicious bots. To solve this problem, we propose a monitor system composed of IoT devices to detect bots.
This paper presents results of a subjective experiment of user behaviour analysis on state-of-the-art learning management systems (LMS) and massive open online courses (MOOCs). The purpose of this study is to conduct a usability analysis on different eLearning platforms by observing subjects facial expressions, and based on the generated results to speculate which of the platforms are easy to use...
Behaviour of students on social networks is very interesting subject to explore. Services such as social networks offer various possibilities of interaction — chats, news, emails or forums. We made a questionnaire survey for comparison of social networks utilization with students of the Faculty of Economics and Administration at the University of Pardubice. The survey was aimed on using specific types...
This study focuses on the learning progress bar, an important element of gamification, to examine its effects on diverse learners with different learning styles when facing three different types of web-based instruction (segmentation and non-linear presentation, homogeneous environment, and lack of social interaction). The Index of Learning Styles (ILS) is adopted for measuring MOOCs learner learning...
To combat with botnet, early detection of the botnet communication and fast identification of the bot-infected PCs is very important for network administrators. However, in DNS protocol, which appears to have been used for botnet communication recently, it is difficult to differentiate the ordinary domain name resolution and suspicious communication. Our key idea is that the most of domain name resolutions...
How can a game be used to motivate students towards a specific scientific area and, at the same time, support those students in the development of personal and social skills? eCity online game is an educational platform based on a city simulation engine designed to support Problem Based Learning (PBL) in the STEM area. The game is used to motivate high school students for an academic course in science...
Network virtualization techniques allow for the coexistence of many virtual networks hosted in a same substrate network. Virtual router migrations allow for resource consolidation with the consequence to reduce the power consumption in low traffic periods. Unfortunately virtual router migrations have the effect of degrading the Quality of Service during the downtime in which the router is not able...
Consumer acceptance is of great interest in the adoption of novel multimedia products and services. A number of factors can greatly influence the customer experience during a video session, impacting the acceptability of the product or service. Factors such as the Technical Quality (TQ) which covers the technical aspects of the signal quality can be controlled from the network provider. On the other...
T3 is a light weight automated unit testing tool for Java. This paper presents the result of benchmarking of T3 at the 3rd Java Unit Testing Tool Contest organized at the 8th International Workshop on Search-Based Software Testing (SBST) in 2015.
This paper describes the third round of the Java Unit Testing Tool Competition. This edition of the contest evaluates no less than seven automated testing tools! And, like during the second round, test suites written by human testers are also used for comparison. This paper contains the full results of the evaluation.
This paper investigates the random walk within the PageRank1 algorithm used by Google and other search engines. It begins by explaining how the Random Walk works with the Markov Chain. Based upon this, the paper then presents how specific locations on the matrix form graph cycles. These cycles are capable of controlling pagerank queues and moves these rank value from one online webpage to the next...
Byte caching (also known as redundancy elimination) is a commonly used technique in practice to compress data streams in data networks. The congestion of a bottleneck link can be significantly reduced when byte caching is implemented in both ends of the link. We propose four techniques to improve the original byte caching method. Two of these techniques offer better fingerprint sampling for caching...
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