The paper concerns technological aspects of virtual mentors construction, especially concentrating on the student model representation. The article distinguishes several types of information that is gathered by the pedagogical agents and other educational platforms, including student knowledge model...

In order to solve the agency problems and improve the management efficiency of board of directors, this paper, selecting A-share 1399 listed companies as samples, studied the relation between board characteristics and agency costs, which was measured by total asset turnover rate and overhead expense...

In the new competitive environment of the electricity market, risk analysis is a powerful tool to guide investors under both contract uncertainties and energy prices of the spot market. Moreover, simulation of spot price scenarios and evaluation of energy contracts performance, are also necessary to...

The author proposes two routing models for the four- and the five-layer routing environments based on the HHVH and HHVHH models, respectively. The layers for horizontal routing and the other for vertical routing are referred to as H and V layers, respectively. Since more layers are available for hor...

To solve the problem that water quality of sewage disposal process (such as BOD) is difficulty to measure on-line, meanwhile considering the characteristics of sewage disposal process which is related with time. A soft sensor method for water quality of swage disposal based on process neural network...