نگاشت ساختار و تحلیل مفاهیم علم اطلاعات و دانش‌شناسی براساس چکیده ده مجله هسته جی‌سی آر (2004-2013)

نویسندگان
دانشگاه تربیت مدرس
چکیده
هدف: پژوهش حاضر با هدف ترسیم ساختار مفهومی علم اطلاعات و دانش­شناسی و تکامل آن همراه با بررسی دامنه موضوعی مجلات براساس چکیده 6830 مقاله در ده مجله هسته در گزارش جی­سی­آر 2013 طی ده سال (2004-2013) صورت گرفت.

روش­ شناسی: در این پژوهش تحلیل هم­واژگانی و تحلیل تناظر 150 واژه منتخب براساس وزن tf-idf، بعد از استخراج به صورت پارامتریک انجام شد. بدین منظور از شاخص کسینوس تتا و قرابت مرتبه ثانویه جهت خوشه­بندی سلسله­مراتبی براساس الگوریتم average-linkage استفاده گردید.

یافته­ ها: یافته­های حاصل از تحلیل هم­رخدادی 3 خوشه بالغ و 1 خوشه نابالغ در ارتباط با خوشه دوم را نشان داد. بررسی دامنه موضوعی مجلات نیز چهار خوشه و سیر تاریخی مفاهیم دو خوشه با حرکت پادساعت­گرد را نشان می دهد.

نتیجه­ گیری: به طور کلی نتایج حاصل نشان داد تمامی خوشه­ها به جز یک خوشه منفک از خوشه دوم از حالت پایدار و بلوغ مفهومی برخوردار بوده و در عین داشتن مفاهیم ثابت با تحولات تکنولوژی دچار یک دگردیسی مفهومی نیز شده­اند.
کلیدواژه‌ها

عنوان مقاله English

Discovering and Analyzing the Intellectual Structure and Its Evolution in Core Journals of "Knowledge and Information Science" during 2004-2013

نویسندگان English

Mohamad Hassanzadeh
Somaye Ahmadi
Fatemeh Zandian
چکیده English

Purpose: This study aims to reveal the intellectual structure of Knowledge and Information Science and its evolution along with the review of journals subjective scope based on 6830 abstract in the ten core journal in the JCR 2013, over the ten years (2004-2013).

Methodology: In this research, co-word and Correspondence analysis of 150 words -selected by tf-idf weight- were done after parametric analysis. To this end, the Cosine theta index and the second-order affinity were used for the hierarchical clustering based on the average-linkage algorithm.

Findings: The results of the co-word analysis reveal 3 mature clusters and 1 immature cluster in relation to the second cluster. Furthermore, the study of journals' domain show four clusters and the time progress show two clusters in counterclockwise motion.

Conclusion: In general, the results show except cluster four all clusters have a stable state with conceptual maturity, and along with constant concepts, a conceptual metamorphosis can be seen under the influence of technological change.

کلیدواژه‌ها English

Mapping
Knowledge and Information Science
Content analysis
co-word analysis
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