HCI Design for Trustworthy Organic Computing

OC系统的一个核心特征是它们能够自动调整以适应动态变化的使用和上下文条件。OC系统使用户界面概念的开发人员面临着一项相当具有挑战性的任务，因为不能总是假设突然的、经常是意想不到的调整自动不言而喻。相反，存在这样的风险，即用户不理解系统行为背后的基本原理，并想知道为什么系统会以特定的方式进行调整。这反过来可能导致信任的丧失，在最糟糕的情况下，可能会导致对该体系的拒绝。该项目的目标是开发能够应对这些挑战的可信用户界面。为了实现这一目标，我们开发了一种基于贝叶斯网络的决策理论信任管理方法。产生的用户信任模型(UTM)评估用户对系统的信任，随着时间的推移对其进行监视，并在关键情况下应用适当的系统操作来维护信任，例如生成解释以增加系统的透明度。为了实现系统操作，我们依赖一个约束求解器，它允许我们在设计时定义硬行为走廊和软行为走廊，并在运行时自动检查这些行为走廊。使用由异质、可灵活组合的交互设备和显示器组成的演示器对所开发的方法和技术进行评估。接受调查的示威者将公共显示器(称为公共屏幕)、私人和移动显示器(智能手机、平板电脑)以及互动桌面(Microsoft Surface)等半公共显示器整合在一起。生成的系统类称为可信显示网格，简称TDG。为了确保项目中方法和技术的广泛适用性，我们逐渐增加了被调查用户界面的异构性和复杂性。对于阶段3，我们将重点关注以下目标：(1)为高度动态的TDG环境建模交互和呈现概念(2)用户信任模型的泛化。基于不确定上下文信息的用户信任预测。优化措施以增强多用户并行交互的信任(3)进一步开发一个使用TEMAS(支持信任的多代理系统)和MOTEM(支持信任的中间件的移动版本)平台来验证用户信任模型的演示器

A core feature of OC-systems is their ability to automatically adjust to dynamically changing usage and context conditions. OC-systems confront developers of user Interface concepts with a rather challenging task since it cannot always be assumed that sudden and often unexpected adjustments are automatically self-explanatory. Rather, there is the risk that users do not understand the rationale behind the system's behavior and wonder why a system has adapted in a specific manner. This in turn may lead to a loss of trust and in the worst case a rejection of the system. The objective of the project is the development of trustworthy user interfaces that are able to cope with these challenges.To achieve this objective, we developed a decision-theoretic approach to trust management on the basis of Bayesian Networks. The resulting User Trust Model (UTM) assesses the user's trust in a system, monitors it over time and applies appropriate system actions to maintain trust in critical situations, such as the generation of explanations to increase a system's transparency. To implement system actions, we rely on a constraint solver which allows us to define hard and soft behavioral corridors at design time which are automatically checked at run time. The developed methods and techniques are evaluated using demonstrators consisting of heterogeneous flexibly combinable interaction devices and displays. The demonstrators under investigation integrate public displays (called public screen), private and mobile displays (smart phones, tablets) and semi-public displays, such as interactive tables (Microsoft Surface). The resulting system class is called Trusted Display Grid, in short TDG.To ensure broad applicability of the methods and techniques in the project, we gradually increased the heterogeneity and complexity of the user interfaces under investigation. For phase 3, we will focus on the following objectives:(1) modeling Interaction and presentation concepts for highly dynamic TDG environments(2) generalization of the User Trust Modela. prediction of user trust on the basis of uncertain context informationb. optimization of measures to enhance trust for multiple users interacting in parallel(3) further development of a demonstrator using the TEMAS (Trust-Enabling Multi Agent System) and moTEM (a mobile version of the Trust-Enabling Middleware) platforms to validate the User Trust Model