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Erschienen in:
2011 | OriginalPaper | Buchkapitel
QoS-Based Task Scheduling in Crowdsourcing Environments
verfasst von : Roman Khazankin, Harald Psaier, Daniel Schall, Schahram Dustdar
Erschienen in: Service-Oriented Computing
Verlag: Springer Berlin Heidelberg
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Crowdsourcing has emerged as an important paradigm in human-problem solving techniques on the Web. One application of crowdsourcing is to outsource certain tasks to the crowd that are difficult to implement as solutions based on software services only. Another benefit of crowdsourcing is the on-demand allocation of a flexible workforce. Businesses may outsource certain tasks to the crowd based on workload variations. The paper addresses the monitoring of crowd members’ characteristics and the effective use of monitored data to improve the quality of work. Here we propose the extensions of standards such as Web Service Level Agreement (WSLA) to settle quality guarantees between crowd consumers and the crowdsourcing platform. Based on negotiated agreements, we provide a skill-based crowd scheduling algorithm. We evaluate our approach through simulations.