Key Artifacts And Application Research Of Multi-view Information Architecture For Digital Hospitals

Information is seen as the most important asset in every enterprise, especially for the information intensive organisation, e.g. hospitals. Due to the complexity of hospital business, the efficient information provision can reduce medical errors, increase patient safety and enhance the decision making. The current information technology and all kinds of hospital information systems enable information to be stored and provided from various distributed sources. Such kind of inappropriate management of information leads to a phenomenon of "big data, but little information" that hospital stakeholders are struggling to access the required information resources in the whole organisation in order to support their better decision making. To deal with this problem, information architecture is put forward to provide a high level information requirements of the whole digital hospitals. The main research content is elaborated as follows:Firstly, multi-view theoretical and conceptual information architecture are established for digital hospitals based on the organisational semiotics framework.Based on the analysis of present situation and information requirements in the whole digital hospitals, a theoretical model is proposed by extending the organisational semiotics framework. Different requirements for the information architecture are defined in each level to guide the successful implementation in digital hospitals. Based on this theoretical model, a multi-view conceptual model consists of developing methods, content framework, guidance and adjustment strategy. In theory, this study not only strengthens the theoretical support for current architecture research, but also extends the study of organisational semiotics in the field of digital hospitals. In practice, it can be seen as an exploratory attempt in digital hospital information architecture construction in China.Secondly, a set of artifacts in these multi-view are identified and the dynamic mapping mechanism is designed to ensure the implementation of proposed information architecture.In this thesis, we innovatively define the information architecture not only as a gradual design process of identifying artifacts, but also as a dynamic process of acquiring and satisfying the information requirements. Therefore, four main views including the data resources view, information activity view, information service view, organisational decision-making view are integrated to realize the final value of the information architecture.In the information activity view, the ontology model is built with the embedding of information objects in order to form a holistic semantic consistence of the whole digital hospital. An activity –role- information object artifact is designed based on the speech act theory to describes the dynamic interaction among information activities,information items and roles.In the information service view, information service recognition and representation methods are proposed based on organisational morphology and generalized abduction reasoning. Then a context-awareness information service portfolio method based on norms is designed in order to meet the complex information requirements of stakeholders.In the organisational decision-making view, information requirement modelling method is discussed, with the hierarchic grey incidence analysis to measure the relationship among the requirement elements. Information configuration method based on "pattern" is put forward, including the mapping logic, mapping mechanism and matching method.Finally, the effectiveness of the proposed multiple-view information architecture is validated through the implementation in one of the largest 3A grade digital hospitals in Beijing. Both the feedbacks from the stakeholders and objective statistics show the improvement of the information management in digital hospitals.