purpose: the main object of this research is to investigate the effective factors on wheat producers' knowledge of soil management in ardabil province. mythology: this study is quantitative in terms of its nature, non-experimental in terms of controlling variables, applied in terms of its objectives and descriptive- analytic in terms of data-gathering procedure. the number of samples was 17500 ...

Nowadays, ontologies are used for achieving a common understanding within a user community and for sharing domain knowledge. However, the de-centralized nature of the web makes indeed inevitable that small communities will use their own ontologies to describe their data and to index their own resources. Certainly, accessing to resources from various ontologies created independently is an import...

the purpose of this study is to assess farmers’ attitude toward the soil conservation practices in the kushk-abad catchment basins in the province of khorasan razavi. a sample of 200 farmers was randomly selected from 1200 farmers living in kardeh catchment basin. data collection was done through a questionnaire that was administered in 2014. validity of the questionnaire was confirmed by a pan...

purpose: clinical librarianship is a tool for evidence based medicine that intends to improve health professionals' access to information. this research, studies the feasibility of implement of clinical librarianship program in the hospital libraries of tabriz university of medical science. methodology: this paper is a descriptive research. hospital libraries of tabriz medical university a...

purpose: the present research aimed to study internet and electronic recourses searching behavior of geography ph.d. students of tehran university. methodology: using a questionnaire survey, demographic features and educational trends of 61 studied students were analyzed. findings: results showed that all of the statistical population used e-mail services, databases and search engines. most of ...