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In order to clarify the impact of financial subsidies on residents' travel choice, the paper used the method of multivariate logistic regression to establish residents travel mode choice. And cost-effectiveness analysis was carried out on the traveling choice of bus, with the benefit cost ratio instead of the benefit function in traditional logit model. Taking Beijing for case study, the paper calculates...
This paper presents a flexible data warehousing approach which allows one-stop querying on entire personal information residing at heterogeneous data sources. Different from previous work that requires expensive and error-prone semantic integration, our approach aims to construct personal dataspaces for users. In our approach, personal data are uniformly represented in a single data model proposed...
A multi-object operation incurs communication or synchronization overhead when the requested objects are distributed over different nodes. The object pair correlations (the probability for a pair of objects to be requested together in an operation) are often highly skewed and yet stable over time for real-world distributed applications. Thus, placing strongly correlated objects on the same node (subject...
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