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Architecture of database servers is one of the important parameters in the performance of web applications. In this paper, a model is proposed for guiding Postgre SQL database server sizing for concurrent users. Coloured Petri-nets are chosen to represent the model that brings out need to change the deployment architecture when the current architecture may not suffice. The focus of the proposed model...
The increasing need of app installations on mobile devices demands a lot of internal memory i.e., app installable mem- ory. The limited size of the internal memory puts restric- tions on the number of applications that one can install on a mobile device at any given instance of a time. The research work in this paper focuses on providing a cloud based solu- tion to the limited app installable memory...
In this paper a mechanism to identify a cloudlet for computation offloading in a decentralized manner is proposed. The cloudlet identification is carried out in two phases. In the first phase, cloudlets within WiFi range of the mobile device are identified without connecting to any of the cloudlets. In the second phase, selection of the ideal offloading cloudlet is done based on infrastructure specific...
A lot of research is done on the impact of website design on site's performance. It includes use of CSS, applets, Ajax, etc. for improving the performance. However, interconnectivity between pages through hyperlinks and its impact on website performance and website structure is little explored. This aspect of a website design is explored in this paper. This brings out the time required to move from...
Multibiometric systems have recently become a preferred option for human identification over the unibiometric systems. It increases the recognition rate and confidence in the final decision, and simultaneously reduces the failure to enroll rate (FER). For identification mode, rank level fusion is a feasible option as incompatibility and normalization issues present at the score level fusion are not...
With increase in network connectivity and possibility of low cost cloud resources, dynamic task offloading to cloud seems to be an ideal solution to improve performance of mobile devices along with saving on battery consumption. Mobile Cloud Computing (MCC) allows extending limited resources available on mobile devices to execute complex and rich mobile applications. This paper brings out the findings...
Availability of a single training sample (STS) or degraded set (DS) of training and testing samples restricts the success of face recognition in real-world applications. We propose a unified framework for handling both these challenges simultaneously by using a data dictionary, which is a combination of training dictionary and intra-class variation dictionary. The training dictionary is assembled...
Border security is becoming increasingly important to nations and there is a conflicting requirement not to impede movement of individuals across borders. Seafarers who conduct their trade on merchant ships require a quick resolution of their identity in international territories so that they can perform their duties. The shipping industry is vital to the global economy as it employ approximately...
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