The concept of Cooperative Work Environment (CWE) is introduced. Three key elements of CWE, inforrration integration, process integration, and organization integration, are analysed. An application framework of CWE is prcoosed and with this framework a CE CWE based on Lotus Notes/Domino and Intel Pr...

To combat packet loss and realize robust video transmission over Internet and wireless networks, a new multiple description (MD) video coding method is proposed. In the method, two descriptions for each video frame is first created by group of blocks (GOB) alternation. Motion information is then dup...

Two signature systems based on smart cards and fingerprint features are proposed. In one signature system, the cryptographic key is stored in the smart card and is only accessible when the signer's extracted fingerprint features match his stored template. To resist being tampered on public channel, ...

Data quality is an important aspect in data application and management, and currency is one of the major dimensions influencing its quality. In real applications, datasets timestamps are often incomplete and unavailable, or even absent. With the increasing requirements to update real-time data, exis...

Due to the exploding growth in the number of web services, mashup has emerged as a service composition technique to reuse existing services and create new applications with the least amount of effort. Service recommendation is essential to facilitate mashup developers locating desired component serv...