نتایج جستجو برای: objective whereas social media or networks like citation databases can be applied to measure documentarticle usage

تعداد نتایج: 11695425  

Journal: :JASIST 2007
Loet Leydesdorff

In addition to science citation indicators of journals like impact and immediacy, social network analysis provides a set of centrality measures like degree, betweenness, and closeness centrality. These measures are first analyzed for the entire set of 7,379 journals included in the Journal Citation Reports of the Science Citation Index and the Social Sciences Citation Index 2004, and then also ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی و تربیت بدنی 1389

teachers’ beliefs greatly influence their performance in the classroom, their choice of instructional strategies, their way of controlling the class, their dealing with the students, and their general goals and objectives. one of these beliefs is teachers’ sense of efficacy which is viewed as an important construct and has shown to be positively correlated with students’ achievement (ross, 1992...

Azadeh Sedghijalal Soroush Fathi

Technologies and various media have affected social institutions such as family and causeshape changes in relationships within the family. One of the means of communication that are easilyand widely used in the household is Internet. With the entrance of media, especially the Internet tothe family, changes in personal, social, public and private relationships are occurred. The use ofsocial netw...

Journal: :JASIST 2012
Erjia Yan Ying Ding

This study is motivated to explore the similarity among six types of scholarly networks aggregated at the institution level, including bibliographic coupling networks, citation networks, co-citation networks, topical networks, coauthorship networks, and co-word networks. Cosine distance is chosen to measure the similarities among the six networks. We find that topical networks and coauthorship ...

Atapour, Hashem, Fahimnia, Fatima,

Background and Aim: this research investigates the impact of authors’ rank in Bibliographic networks on document-centered model of Expertise Retrieval. Its purpose is to find out what kind of authors’ ranking in bibliographic networks can improve the performance of document-centered model.   Methodology: Current research is an experimental one. To operationalize research goals, a new test colle...

پایان نامه :0 1374

the following question poped up: is there any relationship between iranian high school efl learners reading comprehension and listening comprehension? then the following null hypothesis (ho) was developed to the test the above, mentioned question. "there is no relationship between high school efl learners reading comprehension and listening comprehension. for nearly 16 weeks, the experimental g...

Increasing usage of information technology and communication predict a great development in all areas, especially in education and learning. In recent decades, because of emerging modern technologies like multi-media, meta-media and tele-communications, classical perspectives in learning are faced with critical changes. Today, modern technologies are used by most countries in special education....

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه قم 1389

چکیده : آرای صادره از دادگاه ها علاوه بر شیوه های عادی از طریق فوق العاده نیز قابل اعتراض و رسیدگی مجدد هستند. در مواقعی که رای دادگاه مخل به حقوق ثالث باشد وی می تواند به ان اعتراض کند. قلمرو شمول اعتراض ثالث به تصمیمات قضایی که از آن به رای تعبیر شده محدود می گردد. ولی در مورد قرارها که به اعدادی و نهایی تفکیک می شوند، چون هیچ رویه ثابت و مشخصی در این زمینه در دادگاهها وجود نداشته و همچنین ا...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1389

abstract tasks nowadays are at the center of attention in sla research. task types is one of the critical issues in this regard, their effectiveness and suitability to any particular context, their characteristics and the result they yield are among some of these issues. on the other hand, discourse markers (dms) have been very much investigated and their effectiveness in conveying the meaning...

Background & aim: Gender role attitude is one of the key issues affecting the stability of family foundation, which is under the influence of mass media. New media and the process of globalization are effective in promoting gender equality, and an example of modern media is virtual social networks. This study aimed to determine the relationship between virtual social media usage and gender role...

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