intelligent use of data and information in a large company for management decisions are the essential requirements of all managers. in addition, the necessity of paying attention to the environmental competitiveness increases the importance of responding to these needs. information systems and tools of it in recent decades have played a special role in increasing the respond to these demands. o...

the issue of medical errors is currently a global concern which places a heavy financial and emotional burden on communities. a clinical decision support system (cdss) is an electronic system designed to support clinical decision making. considering the increasing importance and use of systematized nomenclature of medicine-clinical terms (snomed-ct), we developed snomed-ct to implement it more ...

Group awareness information is important information for group work. It represents group members’ roles and responsibilities, their positions on an issue, their status, and the state of various group processes. The group awareness information presented in this article is designed to capture group member activities and their behaviors in web-based collaborative work. In this article, group aware...

in this paper we propose and construct fuzzy algebraic additive model, for the estimation of risk in various fields of human activities or nature’s behavior. though the proposed model is useful in a wide range of scientific fields, it was designed for to torrential risk evaluation in the area of river evros. clearly the model’s performance improves when the number of parameters and the actual d...

this paper provides a fuzzy based decision support system (dss) for risk analysis in e-tourism ( electronic tourism ) investment. in general term, e-tourism is the use of information and communication technology (ict) in tourism which may allow operating tourism in least variable cost, least time and increased work efficiency. it is worth noting that there are many factors that affect the deve...

To proposing a voting model for groups with members of unequal power and proficiency, we present some models for rank ordering efficient candidates, by extending the ideas of some authors. Then, we propose a new methodology to rank the ranking models for the performance indices of only DEA efficient candidates based on a classical voting model. Also, an approach for combining the results obtain...