Thrift, neither like extravagance, nor like parsimony, is a doctrine of the mean.

Study of mobile agent E-business trust negotiation model;

Model of attribute-based trust negotiation;

A sort of multi-layer semantic communication model is put forward;the communication language used for multidisciplinary semantic negotiation is developed based on XML;the open action original language set and the open message type template library are set;the shared ontology is built based on OWL to promote the consistent understan.

This paper mainly describes the research on graphic collaboration and semantic negotiation in the system of multi-discipline collaborative product design, which helps multi-discipline designer exchange, coordinate and cooperate effectively in different place, and promote innovation of products, shorten development period of products, improve product quality, reduce products cost.

For a tourist information service prototype system , the paper constructs the tourist field Ontology, and adopts the knowledge representation and inference based on Ontology, on this basis of consultations to introduce semantic negotiation study and confidence model.

In the literature works since the Song and Yuan, Dynasties there has been greatly appearing the imagine of misers,Which is closely related with the dewelopment of feudual economy in cities and the growth of city-resident stractum.