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The successful design of collaborative filtering system for recommending depends hardly on finding the nearest neighbors. In this paper, we provide a new collaborative filtering method based on concept lattices to generate more precise recommendation. Firstly, we analyze the log files and construct a formal context which is then used to build a concept lattice. Based on the concept lattice, we propose...
Economic analysis is the core content of feasibility study and evaluation, and an important basis for decision-making. Its role is to minimize the risk and improve returns on investment. Traffic impact analysis (TIA) is the way that analyses the project impact on the urban traffic, according to the inner link between urban development project and traffic demand growth, and then advances countermeasures...
Cournot oligarch competition model is the earliest model that has Nash balanced thought, policy-making question is studied when enterprises pursue maximization of profit in monopolistic market in this model. If enterprises' actions are not at the same time, the order is exogenously assigned, this model becomes famous Stacklberg oligarch competition model. This model is a typical complete information...
A framework for modeling, analyzing and synthesizing nuclear safeguards information with various uncertainties is proposed by using a newly developed belief rule-base inference methodology (RIMER). After a hierarchical analysis of States' nuclear activities on the basis of the International Atomic Energy Agency (IAEA) physical model, the multi-layer structure of the evaluation model for States' nuclear...
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