REINSians attended ICA3PP 2015 with two presentations. The first one is STWM: A Solution to Self-Adaptive Task-worker Matching in Software Crowdsourcing(presented by Ying Fu), and the other one is An Approach to Rapid Worker Discovery in Software Crowdsourcing(presented by Feiya Song). Both of them focused on the area of software crowdsourcing, a new research area of REINS in this year.
Crowdsourcing is an emerging business model which organizes distributed crowds to solve various problems through the Internet. With continuous development of information technology, anyone with an Internet connection can participate in this virtual workplace and contribute valuable information. However, software development task is a much more complex process in contrast to micro-tasks such as tagging images or transcribing audio clips, and one of the major challenges is how to assign suitable developers to specific tasks.
In the first paper, we present a solution that enables adaptive task matching for software crowdsourcing. An extensible meta-model is proposed to support description of both worker's suitability and task's requirements, and the matching algorithm is conducted based on this meta-model. Once a single developer can not meet the whole requirements of a task, several workers will be chosen as a team to undertake the task. A full experimental validation with four tasks and thousands of workers has been done showing the validation of our solution.
In the second paper, we mainly focus on the efficiency and accuracy of task matching process on the basis of meta-model mentioned above. First, we adopt the clustering method to deal with the continuous growing number of developers. Developers with similar characteristics are divided into the same cluster to reduce unnecessary search space in advance. Second, in order to ensure the accuracy of task matching, we design a sliding window method to dynamically measure suitability description. This method adjusts the subjective deviations of self-evaluations by adopting objective evaluations given by task publishers.
The above picture was shot at the ICA3PP 2015, which took place at Zhangjiajie, China, 2015.11.18-2015.11.20