Theoretical Improvements in Algorithmic Efficiency for Network Flow Problems
Journal of the ACM (JACM)
Human-assisted graph search: it's okay to ask questions
Proceedings of the VLDB Endowment
Guess who?: enriching the social graph through a crowdsourcing game
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
CrowdForge: crowdsourcing complex work
Proceedings of the 24th annual ACM symposium on User interface software and technology
CrowdWeaver: visually managing complex crowd work
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
Answering search queries with CrowdSearcher
Proceedings of the 21st international conference on World Wide Web
CrowdScreen: algorithms for filtering data with humans
SIGMOD '12 Proceedings of the 2012 ACM SIGMOD International Conference on Management of Data
GeoCrowd: enabling query answering with spatial crowdsourcing
Proceedings of the 20th International Conference on Advances in Geographic Information Systems
CrowdSeed: query processing on microblogs
Proceedings of the 16th International Conference on Extending Database Technology
Labor dynamics in a mobile micro-task market
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Spatial crowdsourcing has gained emerging interest from both research communities and industries. Most of current spatial crowdsourcing frameworks assume independent and atomic tasks. However, there could be some cases that one needs to crowdsource a spatial complex task which consists of some spatial sub-tasks (i.e., tasks related to a specific location). The spatial complex task's assignment requires assignments of all of its sub-tasks. The currently available frameworks are inapplicable to such kind of tasks. In this paper, we introduce a novel approach to crowdsource spatial complex tasks. We first formally define the Maximum Complex Task Assignment (MCTA) problem and propose alternative solutions. Subsequently, we perform various experiments using both real and synthetic datasets to investigate and verify the usability of our proposed approach.