Projects producing citizen-generating data (CGD) to provide evidence and to drive change have increased considerably in the last decade. Many of these initiatives build on multi-actor collaboration and are often supported by non-governmental organisations (NGOs), the public sector, businesses or community-based organisations. The joint efforts of these actors are often necessary to provide the resources and the support that citizens need to produce data. In return, organisations can harness the data to support their objectives. The recent growth (or up-scaling) of CGD projects has created opportunities, as well as challenges for capacity building and sustainability. These challenges can affect the continuity and effectiveness of these initiatives and, in turn, the quality and utility of collected data. This paper analyses two CGD projects to consider their social implications and the measures necessary to increase their capacity, up-scaling, spreading, and sustainability. The case studies on noise monitoring and invasive alien species describe, respectively, a bottom-up approach at city level and a top-down approach at the European level. Regardless of the approach, capacity building requires a process of infrastructuring that engages different actors, responds to matters of concern, assesses community capacities and needs, and develops a vision and action plan. Further, the appropriation and repurposing of technical systems is required to scale up and spread CGD projects. In this process, participants’ activities are shaped by technologies, while the meaning and effects of technologies are shaped through participants’ activities.

在过去十年中，生成公民生成数据 (CGD) 以提供证据和推动变革的项目显着增加。其中许多举措建立在多方合作的基础上，通常得到非政府组织 (NGO)、公共部门、企业或社区组织的支持。这些参与者的共同努力通常是必要的，以提供公民生成数据所需的资源和支持。作为回报，组织可以利用数据来支持他们的目标。CGD 项目最近的增长（或扩大规模）为能力建设和可持续性创造了机会，同时也带来了挑战。这些挑战会影响这些举措的连续性和有效性，进而影响所收集数据的质量和效用。本文分析了两个 CGD 项目，以考虑其社会影响以及提高其容量、扩大规模、传播和可持续性所需的措施。关于噪音监测和外来入侵物种的案例研究分别描述了城市层面的自下而上的方法和欧洲层面的自上而下的方法。无论采用何种方法，能力建设都需要一个基础设施建设过程，让不同的参与者参与进来，回应关注的问题，评估社区能力和需求，并制定愿景和行动计划。此外，需要对技术系统进行占用和再利用以扩大和推广 CGD 项目。在这个过程中，参与者的活动是由技术塑造的，而技术的意义和效果则是通过参与者的活动来塑造的。