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With the development of networks and database, the rapid growth of information and data, data files pose a challenge to information retrieval. Compression technology archived the query in the compressed state. Compression enquiries index FM-index is an advanced algorithm in the field, but FM-index must consume great memory in process of construct index. The overlapping block FM-index in occupation...
The distribution and heterogeneity of information raise several challenges for systems to search and retrieve information mutually. One critical foundation for coordinated action in multi-systems is the ability to exchange representational objects that can be locally interpreted in ways that make sense. Coherent local interpretation of shared representations is needed to create global semantic coherence...
It is highly desirable to the distribute data and knowledge of a huge amount of domain specific database and to make them available readily to people, but the distributed and heterogeneous natural of the databases gives rise to the challenge of achieving the best retrieval results in cross-system searching. In order to make this difficult task tractable, we analyze semantic heterogeneities among these...
The heterogeneity of information raises several challenges for systems to search and retrieve information mutually. In the paper, a hybrid ontology integration framework is proposed. The implementation of the framework in distributed Xu Beihong's Galleries is discussed in detail. The emphasis is the mapping of local database schema and local ontology and the integration of local ontologies and global...
This paper describes the design and implementation through prototyping of the architecture of a system for browsing and retrieving museum information based on concepts, keywords and contents. The work is part of a project funded by the Chinese Education Ministry and the aim is to integrate information from a large number of local museum resources and to provide versatile access to digitalized information...
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