Xiaoyong Su

Middleware for multimedia mobile collaborative system

Although various collaborative systems have successfully improved enterprise work efficiency, mobile collaborative systems, which allow collaboration via wireless networks and mobile devices, still lack robust functionality and content representation support. The paper proposes a novel mobile collaboration framework for multimedia content generation, representation and delivery. A unified file format and a message queue management middleware, designed for, and employed in, a heterogeneous computing environment, are also discussed.

On the Identification Device Management and Data Capture via WinRFID1 Edge-Server

In this paper, we present a layered architecture and approach for creating a high performance edge server called reader coordinator (RC) for managing variety of automatic identification hardware such as radio frequency identification (RFID) reader, RFID printer, sensor, barcode scanner, or a controllable device (e.g., programmable logic controller). A unique hardware abstraction approach is used to provide device extensibility and manageability. Rule-based device configuration and control which allows the real-time changing of system behavior is presented. Various data encoding schemes used to accommodate data captured by a device and used as the input of rule based data filtration and aggregation are discussed. We discuss a mechanism of building self-governed automation processing in the data capture process. Performance is measured by using virtual reader that generates high volume of data at high speed. The measurement shows the RC is capable of handling such data.

Mobile DRM for multimedia content commerce in P2P networks

In this paper, the requirements for multimedia content sharing among Peer-to-Peer (P2P) networks are investigated and novel business models along with Digital Rights Management (DRM) solutions are proposed. In the current approach, to provide least intrusion and interference for end content consumers, content providers are not involved in the communications or peer transactions of P2P networks after the multimedia content are sold to the peer users. Peer users may legally trade or exchange their content within the P2P network via the proposed Ticket and Credit based Multimedia Commerce (T&C Commerce) system. The aim of this DRM research is to set new business models for multimedia content owners and retailers to benefit from the massive power of content distribution of P2P networks with least intrusion and interference to end consumer’s privacy and anonymity.

A rule language and framework for RFID data capture and processing in manufacturing enterprise system

In an RFID-enabled enterprise manufacturing system, diverse RFID devices and varying RFID data formats exist as a result of dynamically changing business operations, varying needs at different physical asset touch points/conditions, etc. This presents a significant challenge in device deployment, device control, RFID data capturing, RFID data integration – that are essential stacks within enterprise manufacturing information infrastructure. It is well known that rule-based methodologies are widely applied for business processing modelling and logic flow control. However, it is not common to apply rules to every stack in an information capturing infrastructure. In this paper, we propose using rules as primary instruction carrier to configure, control, capture, and integrate RFID data in an enterprise manufacturing system. An XML based rule language is defined and a rule execution engine is implemented for this purpose. Computational performance of the execution engine is evaluated against the use case and further improvement is discussed.

On the Utilization and Integration of RFID Data Into Enterprise Information Systems Via WinRFID

It is challengeable to utilize and integrate RFID data into current Enterprise Information Systems because high volume of RFID data is captured at high speed and the data are in heterogeneous formats. In this paper, we propose a “store and forward” and subscription-based integration approach in WinRFID Data Collector to solve the challenges. The Data Collector is a middleware which processes and delivers data to end application based on rules defined in subscription conditions. “Event Cycle” based data reporting defined in EPCglobal Application Level Event specification is analyzed. WinRFID subscription is proposed to provide real-time event notification. The data processing and integration capability of the Data Collector is measured and analyzed.Copyright

Enabling engineering document in mobile computing environment

A multi-level hierarchical content organization and on-demand delivery framework is presented in this paper. This framework enables engineering content representation and exchange in mobile computing environment. Engineering documents generated by CAD/EDA software are transformed into XML based vector graphics format, decomposed and organized into a semantically grouped hierarchical structure. The client selectively can download and render the decomposed contents based on various rules. The evaluation shows that the proposed framework increases the reliability of content exchange and improves the user-application experience

Scalable vector graphics (SVG) based multi-level graphics representation for engineering rich-content exchange in mobile collaboration computing environments

A two-dimensional (2D) graphics hierarchical representation framework and an on-demand content delivery mechanism for facilitating mobile engineering collaboration are presented in this paper. Multi-level graphics content sub-division is utilized to transform large engineering graphics into multiple levels of Scalable Vector Graphics (SVG) content. The hierarchical structure of the SVG content that maintains the relationship between the sub-divided content is formed during the process of sub-division. The divided content is selectively delivered and rendered on the mobile devices in an on-demand fashion. A prototypical system of the proposed approach is implemented and the performance of the framework is evaluated.