نتایج جستجو برای: information theory

تعداد نتایج: 1824659  

Journal: :مدیریت اطلاعات سلامت 0
موسی یمین فیروز مدرس، آموزش عمومی، دانشگاه علوم پزشکی بابل، بابل، ایران فاطمه نوشین فرد استادیار، کتابداری و اطلاع رسانی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، تهران، ایران حسن صیامیان دانشجوی دکتری، کتابداری و اطلاع رسانی، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات تهران، تهران و مربی، دانشگاه علوم پزشکی مازندران، ساری، ایران

this study aimed to describe the concepts and characteristics of wilson's information seeking behavior model, as the highly cited pattern in information seeking behavior debates and tracing its completion, expansion and development process. wilson's information seeking behavior model is the base for other subsequent related models. it has been the highly cited model amongst other information se...

Journal: :پژوهشنامه کتابداری و اطلاع رسانی 0
ملیحه نیک کار زهیر حیاتی اعظم فارسی

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده روانشناسی و علوم تربیتی 1388

the aim of this study is investigating the effect of teaching “metacognitive strategies” on the way which scientific information retrieval workes by the using of google scholar searching machine on the students of ms in the psycology & education faculty of allameh tabatabayi university in 2007-2008 academic year. the statistical community was the students of ms in psychology & education facult...

Mohamed Habibullah, Mohammad Ahsanullah,

Among all measures of independence between random variables, mutual information is the only one that is based on information theory. Mutual information takes into account of all kinds of dependencies between variables, i.e., both the linear and non-linear dependencies. In this paper we have classified some well-known bivariate distributions into two classes of distributions based on their mutua...

پایان نامه :0 1354

چکیده ندارد.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1389

abstract: about 60% of total premium of insurance industry is pertained?to life policies in the world; while the life insurance total premium in iran is less than 6% of total premium in insurance industry in 2008 (sigma, no 3/2009). among the reasons that discourage the life insurance industry is the problem of adverse selection. adverse selection theory describes a situation where the inf...

Journal: :Proceedings of the Annual Conference of CAIS / Actes du congrès annuel de l'ACSI 2020

Journal: :IEEE Transactions on Communications 2023

Traditional channel capacity based on the discrete spatial dimensions mismatches continuous electromagnetic fields. For wireless communication system in a limited region, discretization may results information loss because field can not be perfectly recovered from sampling points. Therefore, theory spatially fields becomes necessary to reveal fundamental theoretical bound of systems. In this pa...

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