Pattern-Based Specification of Crowdsourcing Applications – ICWE 2014 best paper
I’m really proud to announce that our paper “Pattern-Based Specification of Crowdsourcing Applications” has received the BEST PAPER award at ICWE 2014 (International Conference on Web Engineering), held in Toulouse in July 2014. The paper was authored by Alessandro Bozzon, Marco Brambilla, Stefano Ceri, Andrea Mauri, and Riccardo Volonterio.
The work addresses the fact that in many crowd-based applications, the interaction with performers is decomposed in several tasks that, collectively, produce the desired results.
A number of emerging crowd-based applications cover very different scenarios, including opinion mining, multimedia data annotation, localised information gathering, marketing campaigns, expert response gathering, and so on.
In most of these scenarios, applications can be decomposed in tasks that collectively produce their results; Tasks interactions give rise to arbitrarily complex workflows.
In this paper we propose methods and tools for designing crowd-based workflows as interacting tasks.
We describe the modelling concepts that are useful in such framework, including typical workflow patterns, whose function is to decompose a cognitively complex task into simple interacting tasks so that the complex task is co-operatively solved.
We then discuss how workflows and patterns are managed by CrowdSearcher, a system for designing, deploying and monitoring applications on top of crowd-based systems, including social networks and crowdsourcing platforms. Tasks performed by humans consist of simple operations which apply to homogeneous objects; the complexity of aggregating and interpreting task results is embodied within the framework. We show our approach at work on a validation scenario and we report quantitative findings, which highlight the effect of workflow design on the final results.
Here are the slides presented by Alessandro Bozzon during the ICWE conference:
and here is the picture of the actual award:
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