Effective decision making and business intelligence is highly depended on the quality of data and information available. Hence, data and information of poor quality can lead to poor decision making and is causing a variety of risks in every organization. Recent publications in the IS area have shown the link between information quality and risk from both theoretical and practical perspectives. ...

This study examined changes in members’ satisfaction with group processes as they worked together over time to complete a series of seven group tasks. Members of 10 groups (N 58) communicated with each other using a computer-based collaborative technology over a 10-week period. Satisfaction with group processes was partitioned into individual and group levels with Hierarchical Linear Modeling, ...

Component-based software development is becoming more generalized, representing a considerable market for the software industry. The perspective of reduced development costs and shorter life cycles acts as a motivation for this expansion. However, several technical issues remain unsolved before software component’s industry reaches the maturity exhibited by other component industries. Problems ...

this article presents the findings of an environmental evaluation carried out for the city of tehran . in year 2001 evaluation was based on a mathematical model, the subject of another study prepared for the evaluation of the urban environmental quality of major iranian cities. the model includes qualitative and quantitative features of a city, forming the whole structure of the model. those ch...

the aim of this study was to evaluate the effectiveness of an integrated model of emotionally focused approach and gottman model on the quality of marital relationship in married women. in this study the quasi-experimental design with pre-test, post-test and follow up with a control group were used. the study population included married women who went to tehransar health center, district 21. th...

air quality is a topic of crucial importance, because air pollution is one of the most important pollution problems in the world. in particular, predicting or detecting a future extreme air pollution episode or predicting the violation of an air quality standard, is of crucial interest in the field of pollution control. there have been a variety of attempts to reach this purpose both from the p...

an electric arc furnace (eaf) is known as nonlinear and time variant load that causes power quality (pq) problems such as, current, voltage and current harmonics, voltage flicker, frequency changes in power system. one of the most important problems to study the eaf behavior is the choice of a suitable model for this load. hence, in this paper, a probabilistic three-phase model is proposed base...

background: chronic infection with hepatitis c virus (hcv) is increasingly recognized as a major global health problem. illicit injection drug use is an important risk factor for the rising hepatitis c virus (hcv) prevalence in ir iran. objectives: the objective of this study was to determine the long-term effectiveness (total quality adjusted life years (qalys) gained) of methadone maintenance...

driven precast reinforced concrete piles (dprcp) is extensively used as a foundation for bridges constructed over canals in egypt in order to avoid the diversion of water canals. the objectives of this research include identifying the main activities of dprcp execution in the bridge-construction industry in egypt and the risk factors affecting them. in addition, assessment of the effects of the...