Nowadays, crossover and convergence have been regarded as important innovative strategies or methods for modern firms to expand their products, services and markets. Crossover has become a trend and fashion, crossing tradition and modern, the East and the West, culture and technology. Under this crossover circumstance, crossover service is emerging as a concept of multi-subjects, which can be understood as a new economic phenomena and economic activity in the modern service industry. Crossover services are services provided across different business areas, different industries and different industrial domains. Compared with traditional services, crossover services have 3C characteristics, namely Crossover, Convergence and Complex.
 

As crossover service is an interdisciplinary concept spanning information technology, management and economics, it has scientific issues from these three perspectives. For example, how to forecast and evaluate the impact of crossover service on business and service economy, from the economic perspective; how to explore the business model of crossover service and evaluate its risks and value, from the management perspective; and how to achieve the integration of crossover resources and provide information technology support to crossover service, from the information technology perspective. The aim of our research on crossover service is to establish a group of models, tools, systems as well as methodologies to help modern enterprises to create innovative products, service and business model as well, expand their enterprise boundary, and seek for new profit sources.