Design of Universal Retrieval System Based on Web Services
Presents a universal retrieval scheme based on Web services by analyzing current universal retrieval methods of digital libraries,applys Web services technology to improve traditional Mediator/Wrapper methods of encapsulating heterogeneous data,uses Web services registration mechanism instead of virtual view,adds functions of Web services encapsulating and publishs on the wrapper,conceives transparent frame of accessing distributed libraries resource,achieves universal retrieval of distributed digital library resources.