Linkai Weng

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Retrieving similar documents from a large-scale text corpus according to a given document is a fundamental technique for many applications. However, most of existing indexing techniques have difficulties to address this problem due to special properties of a document query, e.g. high dimensionality, sparse representation and semantic concern. Towards(More)
With the emergence of more and more personalized service requirements, service customization has become a compelling problem in ubiquitous computing. As a new paradigm for service customization, the Active Services reuses existing services and obtains the user-needed service evolved from them. In this paper, a novel service reuse approach is proposed for(More)
Personalized recommendation is valuable in various web applications, such as ecommerce, music sharing, and news releasing, etc. Most existing recommendation methods require users to register and provide their private information before gaining access to any services, whereas a majority of users are reluctant to do so, which greatly limits the range of(More)
Recently, the computing paradigm has switched from mainframe and desktop computing to ubiquitous computing; one of whose motivations is to provide intelligent, personalized and comprehensive services to users. As a solution of ubiquitous computing, Active Services has proposed to generate such services on demand by retrieving, adapting, and composing of(More)
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