purpose: the aim of this study was to investigate the barriers to information seeking behaviors (in the phases of needs identification, information seeking, designing search strategy formula, and using information) of faculty members of islamic azad university of shiraz based on the expansion of dervin’s sense making theory (kari’s theory). methodology: this is an applied study using the survey...

patients and methods this cross-sectional study was performed on 1202 ms patients in farshchian hospital, hamadan, in 2013. all patients were diagnosed with definite ms. a questionnaire was used to gather information; demographic characteristics, medical history, signs and symptoms at onset, course of disease, relatives with ms, and degree and type of relationship were recorded. conclusions the...

Abstract—Keyword Search is known as a user-friendly alternative for structured languages to retrieve information from graph-structured data. Efficient retrieving of relevant answers to a keyword query and effective ranking of these answers according to their relevance are two main challenges in the keyword search over graph-structured data. In this paper, a novel scoring function is proposed, w...

background: prevalence of gestational diabetes (gd) varied between 1-14% around the world. such variation in the prevalence of gd as well as no available information in kermanshah encouraged us to design this study aimed to investigate about prevalence of gd and factors associated with this condition in kermanshah. methods: a cross-sectional descriptive analytic study was designed. the study po...

Due to the huge amount of data published on the Web, the Web search process has become more difficult, and it is sometimes hard to get the expected results, especially when the users are less certain about their information needs. Several efforts have been proposed to support exploratory search on the web by using query expansion, faceted search, or supplementary information extracted from exte...

Background: Melasma is a pattern of facial pigmentation that affects upper lip, cheeks, forehead and chin. The disease is seen mainly in 30-55 year old women, and may be regarded as a physiological change in pregnancy. Its etiologic nature is still unknown. Objective: To determine the prevalence of melasma in women in Ardebil city. Patients and Methods: The study was cross sectional-descr...

BACKGROUND It has been suggested that family history information may be effective in motivating people to adopt health promoting behaviour. The aim was to determine if diabetic familial risk information by using a web-based tool leads to improved self-reported risk-reducing behaviour among individuals with a diabetic family history, without causing false reassurance among those without a family...