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Human factors related context is structured into three categories: information on the user (knowledge of habits, emotional state, biophysiological conditions), the user's social environment (co-location of others, social interaction, group dynamics), and the user's tasks (spontaneous activity, engaged tasks, general goals). Likewise, context related to physical environment is structured into three categories: location (absolute position, relative position, [[wikt:colocation|co-location]]), infrastructure (surrounding resources for computation, communication, task performance), and physical conditions (noise, light, pressure, air quality).<ref>[https://link.springer.com/article/10.1007%2Fs11042-010-0711-z?LI=true A Comprehensive Framework for Context-Aware Communication Systems. B. Chihani, E. Bertin, N. Crespi. 15th International Conference on Intelligence in Next Generation Networks (ICIN'11), Berlin, Germany, October 2011]</ref><ref>[https://ieeexplore.ieee.org/document/5956518 A Self-Organization Mechanism for a Cold Chain Monitoring System. C. Nicolas, M. Marot, M. Becker.  73rd Vehicular Technology Conference 2011 IEEE (VTC Spring), Yokohama, Japan May 2011]</ref>

Human factors related context is structured into three categories: information on the user (knowledge of habits, emotional state, biophysiological conditions), the user's social environment (co-location of others, social interaction, group dynamics), and the user's tasks (spontaneous activity, engaged tasks, general goals). Likewise, context related to physical environment is structured into three categories: location (absolute position, relative position, [[wikt:colocation|co-location]]), infrastructure (surrounding resources for computation, communication, task performance), and physical conditions (noise, light, pressure, air quality).<ref>[https://link.springer.com/article/10.1007%2Fs11042-010-0711-z?LI=true A Comprehensive Framework for Context-Aware Communication Systems. B. Chihani, E. Bertin, N. Crespi. 15th International Conference on Intelligence in Next Generation Networks (ICIN'11), Berlin, Germany, October 2011]</ref><ref>[https://ieeexplore.ieee.org/document/5956518 A Self-Organization Mechanism for a Cold Chain Monitoring System. C. Nicolas, M. Marot, M. Becker.  73rd Vehicular Technology Conference 2011 IEEE (VTC Spring), Yokohama, Japan May 2011]</ref>

情景相关的人类特征可以被分为3类:用户基本信息（习惯、情绪状态、生物心理状况）、用户社交环境（位置网、社交、群体动态）和用户任务（无意识活动、沉浸式任务、一般任务）。物理环境相关的情景也可以分为3类：位置（绝对位置、相对位置和位置网），设施（周围的计算资源、交流、任务表现）和物理条件（噪音、灯光、压力、空气质量）。<ref>[https://link.springer.com/article/10.1007%2Fs11042-010-0711-z?LI=true A Comprehensive Framework for Context-Aware Communication Systems. B. Chihani, E. Bertin, N. Crespi. 15th International Conference on Intelligence in Next Generation Networks (ICIN'11), Berlin, Germany, October 2011]</ref><ref>[https://ieeexplore.ieee.org/document/5956518 A Self-Organization Mechanism for a Cold Chain Monitoring System. C. Nicolas, M. Marot, M. Becker.  73rd Vehicular Technology Conference 2011 IEEE (VTC Spring), Yokohama, Japan May 2011]</ref>'''【位置可能有问题】'''

情景相关的人类特征可以被分为3类:用户基本信息（习惯、情绪状态、生物心理状况）、用户社交环境（位置网、社交、群体动态）和用户任务（无意识活动、沉浸式任务、一般任务）。物理环境相关的情景也可以分为3类：位置（绝对位置、相对位置和位置网），设施（周围的计算资源、交流、任务表现）和物理条件（噪音、灯光、压力、空气质量）。<font color=“#32cd32”>位置可能有问题</font><ref>[https://link.springer.com/article/10.1007%2Fs11042-010-0711-z?LI=true A Comprehensive Framework for Context-Aware Communication Systems. B. Chihani, E. Bertin, N. Crespi. 15th International Conference on Intelligence in Next Generation Networks (ICIN'11), Berlin, Germany, October 2011]</ref><ref>[https://ieeexplore.ieee.org/document/5956518 A Self-Organization Mechanism for a Cold Chain Monitoring System. C. Nicolas, M. Marot, M. Becker.  73rd Vehicular Technology Conference 2011 IEEE (VTC Spring), Yokohama, Japan May 2011]</ref>

== Relational context : dynamic and non-user-centric definitions==

== Relational context : dynamic and non-user-centric definitions==