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Given the importance of developers for the success of mobile platforms, it is critical for vendors to understand how platform innovations impact developer interaction activity and what issues and topics are discussed. An understanding of these issues can help providers improve their release strategies, manage developer expectations, and avoid negative reputation effects. To facilitate this understanding, we are analyzing knowledge ecosystem reactions to change in mobile software development platforms.

The Grand Palace is a Chinese history simulation game exploring an educational strategy of representing a complex political system in a specific historical period. In this game, interactors play as an emperor in the imperial age of China, who needs to seek supporters in the court to prepare for war. The simulation represents the bureaucratic structure of the imperial court and the political threats an emperor might face. The goal is to educate the interactors about the strategies an emperor can use to maintain his power.

The streetcars run in the heart of downtown. They are subject to unstable operating conditions caused by traffic congestion, basketball games, and obstructed right-of-way. These perturbations make the Atlanta Streetcar prone to streetcar-bunching, which causes undue passenger wait and crowding. We have developped a real-time dispatching method that considers every streetcar on the route to dispatch them with even headways, while maintaining a high frequency of service.