Time bank known as “Community/Neighborhood Pension”, provides a new solution to fulfill the unmet service needs of community members with idle community resources. The operation of time banks relies on the active participation of community members. Therefore, in this study we investigate the motivation of members to participate in web-based time banks from a service requirement narrative perspective. Drawing on grounded theory and self-determination theory, we built a model to assess how intrinsic and extrinsic cues underlying service requirement narratives affect time bank participation decisions of service providers. To test our hypotheses, we conducted a regression analysis of 12339 projects from the “Nansha Time Bank” (a web-based time bank) platform in China. We find that participants respond positively to time coin returns and narratives highlighting social connection and value fulfillment but respond negatively to service hour costs and empathy-altruism cues.
In recent years, due to the rise of the concept of intelligent ship and the development of the intelligent ship, the ship intelligent has become a global shipping the trend of The Times, with the rapid development of maritime shipping industry, sea lanes and port ship intensity increasing, shipping safety risk increasingly improve, intelligent traffic regulation becomes increasingly important task, shipping information acquisition is more accurate. Ship tracking and identification system is not only the core of shipping safety supervision system, but also has an effective role in the collection of ship navigation information and intelligent supervision of navigation traffic. Computer vision is a technology developed rapidly in recent years, as the current research hotspot, with its access to large amount of information, and the advantages of fast response speed, strong anti-jamming capability compared with traditional of AIS and radar easily affected by obstacles, affected by the operator subjective behavior of communication system device, it can well realize the target ship recognition and tracking, to the modern channel intelligent regulation of ship sailing information collection, transportation, ship navigation safety are very important significance. This article mainly from the principle of development background significance, system characteristics, the visual technology, tracking algorithm for visual identification and tracking system to do a detailed description of principle, on the basis of AIS and radar, based on traditional visual algorithm combined with some data and AIS system on personal improvement ideas on the application of the system innovation, and finally puts forward personal has been developed out of a visual tracking innovative device of the ship.
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