Abstract. This paper presents an approach, called IECA, for modeling and implementing the architecture of Internet of Things(IoT) applications using an active rule-based model. Considering the effective collaboration and the quick response which are necessary for IoT information sharing and service provisioning, a common and extensible IECA execution environment is constructed to integrate the advantages of publish/subscribe paradigm and event-driven architecture. A formal definition is proposed for the IECA. The results show that the IECA-based IoT applications can easily be designed and developed, while enabling an efficient management by the IECA execution engine.
Introduction With the evolution of information media, the era of e-textbook is coming. Compared to paper book, e-textbook achieves a qualitative leap, plays a role in connecting digital reading and learning. E-textbook provides support for new learning mode under the digital environment. Specific performance is as follows: e-textbook supports the differentiated class teaching, the collaborative group learning, the personal interest expansion learning, the online interactive learning. And the single, uniformly edited content resources will evolve into personal miniature knowledge spaces which are based on personalized contents, learning tools and services. Digital reading and digital learning are two respective professional fields, the two fields are separated but linked together. They are different to each other in resource form, content format, packaging mode, organization structure, and application situation. E-textbook resources mainly include both reading resources in the field of digital reading and learning resources in the field of digital learning. The resources integrate the dual attributes of the two fields[1]. Users are demanding more and better service, delivered through every conceivable channel. Cloud service as a service establishes the industry standard and user self-service. Users need not be aware computer operating system, middleware, application and communication networks. Only according to their own needs and through the networks, the Users use a variety of terminal equipments, such as fixed, mobile, and all kinds of home terminal devices, and select the appropriate services, such as computing, storage, learning, entertainment, interaction, etc. E-textbook resource cloud service refers to a process. In this process, cloud service providers meet user's demand for the e-textbook resources. The demand of e-textbook resources involves in design, development, transmission, application, evaluation, and other corresponding services. At the same time, users need not pay attention to technical implementation and support environment related to e-textbook resource services. E-textbook resource cloud service has good scalability and rapid scalability, so, e-textbook resources can be obtained at any time as needed. This paper presents the model and system design that tailor ETRCS to e-textbook resource cloud service environment. Specifically, it makes the following primary contributions. (1) Propose e-textbook resource model based on cloud service, and define resource object relations of e-textbook. (2) Design and implement the hierarchical model and application architecture model of ETRCS.
Abstract. Logistics information management system involves logistics, industry, commerce, and government department. The emergence of the Internet of Things(IOT) efficiently supports the construction of the logistics management system. Service-oriented paradigm is a suitable paradigm for IOT model. This paper designs SLMSIOT, a service-oriented logistics management system based on IOT, whose architecture is composed of application layer, logical sensor layer, and physical layer. Application layer provides customization tools to customize logistics business. Logical sensor layer is a bridge that connects the application layer with the physical world. It's divided into three main parts: service management, standard service, and logical sensor management. Physical layer includes a variety of devices.
This paper presents a service-oriented approach for architecting Internet of Things (IoT) coordination architecture using ontology mechanism. Considering the real time interaction and the dynamic collaboration which are necessary for the application environment of IoT, a common and extensible issue-based resource model is defined to describe the IoT service ontologies and their relationships. A dynamic coordination mechanism based on publish/subscribe (Pub/Sub)-based service router is proposed to support multiple ontology trees fusion, route locating, message forwarding and routing. The analysis indicates that the Pub/Sub-based approach effectively realizes multiple service dynamic collaboration for the serviceoriented application in IoT.
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