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City Melbourne / / Company Amazon / Toyota / Samsung / Yahoo / Intel / Figure 4 / / Country Brazil / Canada / Australia / China / / Currency pence / USD / / / Facility National University of Singapore / Tsinghua University / / IndustryTerm food items / online workers / greedy-based approximation algorithm / iterative algorithm / approximation algorithm / performance Algorithm / real-world applications / pre-processing step / unknown / efficient algorithm / greedy approximate algorithm / greedy algorithm / online accuracy estimation / efficient online estimation algorithm / classification algorithms / online component / Online Estimation qw / image search / online estimation / online communication / real-time microtask assignment / efficient algorithms / / OperatingSystem Ubuntu / / Organization Tsinghua University / Beijing / Milwaukee Bucks / National University of Singapore / Singapore / Department of Computer Science / National Basketball Association / FIFA / School of Computing / / Person Beng Chin Ooi‡ Kian / / Position active worker / existing worker / reflecting worker / Worker Crowdsourcing Platform Answers iCrowd Framework Microtasks Worker / requesting worker / Given worker / worker / first worker / dynamic worker / representative / Renaissance mathematician and astronomer / model worker / Worker Q-Task Answers Qualified Worker / individual worker / / Product iphone / t10 / Apple iPhone 4 Smartphone / Apple iPod Touch Portable Audio Device / Accuracy Estimator / iPad / Toyota Camry / Apple iPod Nano Portable Audio Device / iPod / Jaccard / / ProvinceOrState Victoria / / SportsEvent NBA / the NBA / 2006 FIFA World Cup / / Technology greedy approximate algorithm / 1+α algorithm / efficient algorithms / Greedy approximation algorithm / greedy-based approximation algorithm / EM algorithm / performance Algorithm / 2 Quad X5450 3.00GHz processor / efficient algorithm / existing classification algorithms / JAVA / greedy algorithm / efficient online estimation algorithm / iterative algorithm / 3G / / URL http / SocialTag 
iCrowd: An Adaptive Crowdsourcing Framework Ju Fan‡ Guoliang Li† Beng Chin Ooi‡ Kian-lee Tan‡