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Crowdsourcing systems are distributed problem solving platforms, where small tasks are channelled to a crowd in the form of open calls for solutions. Reward based crowdsourcing systems tries to attract the interested and capable workers to provide solutions in return for monetary rewards. We study the task recommendation problem in reward based crowdsourcing platforms, where we leverage both implicit...
A compact design of a single feed circularly polarized microstrip antenna for RFID applications is proposed. This structure fabricated on FR4 substrate offers an area reduction of 10%, minimum axial ratio of 0.5 dB, axial ratio bandwidth of 116 MHz ( 5%) with a broadside radiation characteristic in the entire band and a gain of 4.9 dBi, 10dB impedance bandwidth of 5.4% (130MHz) at a resonant frequency...
Restoration of a power system after a total black out poses some serious challenge for power system operators. The main reason is the necessity of black start units. Due to economic reasons, it is not feasible to provide black star capability for all power stations. The location and capacity of black start units play an important role in deciding the restoration strategy after a black out. The parallel...
The black start units in a typical hydro-thermal power system will be the hydro power plants since they require very small power to restart after a total shut down, compared to a thermal power plant. They are supposed to start up and supply cranking power to the non-black start units in the system like steam and nuclear power plants. So the time taken for the hydro power plant to start up and start...
Graphic Processing Unit (GPU), has proved to be an efficient co-processor in the field of conventional computations. Dramatic acceleration has been achieved in the earlier work on different database operations on GPUs which were not part of conventional database languages like SQL. While GPUs were designed for geometric primitive's visualization, it can also be used to execute database operations...
Carnivorous plants acquire most of their nutrients by capturing ants, insects and other arthropods through their leaf‐evolved biological traps. So far, the best‐known attractants in carnivorous prey traps are nectar, colour and olfactory cues. Here, fresh prey traps of 14 Nepenthes, five Sarracenia, five Drosera, two Pinguicula species/hybrids, Dionaea muscipula and Utricularia stellaris were scanned...
In a clinic with multiple megavoltage beams (Co-60, 6 MV, 10 MV, 18 MV) available, the optimal dose distributions depends on the radiation technique, patient size, and beam energy. To determine optimal dose distributions for external beam irradiation for patients with localized adenocarcinoma of the prostate, we investigated the dependence of beam energy, treatment technique, and patient size. Various...
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