%0 Journal Article
%T Bilimsel  leti imin Zamana G re De i imi: Bir At f Analizi  al  mas  / Changes in Scholarly Communication over Time: A Citation Analysis Study
%A U£¿ak
%A Nazan £¿zen£¿
%A Al
%A Umut
%J Bilgi D¨¹nyas£¿
%D 2009
%I ?niversite ve Ara?t?rma K¨¹t¨¹phanecileri Derne?i
%X Bu makalede bilimsel ileti imin zaman i inde g sterdi i de i im ¨¹zerinde durulmaktad r. Bu ama la Hacettepe ¨¹niversitesinde 1968-2007 y llar  aras nda sosyal bilimler, temel bilimler, m¨¹hendislik, sanat ve be eri bilimler alan nda yer alan 16 disiplinde tamamlanan tezlerin at f analizi yap lm  t r. Tabakal   rneklemle se ilen 391 tez y l, sayfa say s , at f say s  gibi bibliyometrik  zelliklerine; bu tezlerde yer alan toplam 29.298 at f yay n t¨¹r¨¹, yay n n dili, yazar say s  gibi  zelliklerine g re incelenmi tir. Bu  zelliklerin zaman i inde ne gibi farkl l klar g sterdi i ara t r lm  t r.  al  mada ayr ca tezlerde yer alan at flar n d nemler itibariyle ya lanma h zlar nda bir farkl l k olup olmad   na bak lm  t r. Elde edilen bulgular onar y ll k d nemler alt nda de erlendirilmi tir. Ayr ca, bilimsel ileti imde zaman i inde ortaya   kan de i imin disiplinler aras nda g sterdi i farkl l klar farkl  ba l klar alt nda kar  la t r lm  t r.tar s zc¨¹kler: Bilimsel ileti im, At f analizi, Bibliyometri, TezlerThis paper focuses on the changes of scholarly communications throughout time. For this purpose citation analysis of the theses that belong to sixteen different disciplines from social sciences, basic science, engineering, and arts and humanities in Hacettepe University between the years 1968 and 2007 are examined. Samples are chosen according to stratified sampling techniques. A total of 391 theses are investigated according to their bibliographical features such as year, number of pages and citations. Moreover, 29.298 citations are analyzed according to type, language, and authors of resources; while literature obsolescence is investigated according to a certain period of time. Research outputs are evaluated in groups of ten-year periods. Finally, our study compares the change that occurs in scholarly communication in time and among various disciplines.
%K ilimsel ileti im
%K At f analizi
%K Bibliyometri
%K Tezler
%K Scholarly communication
%K Citation analysis
%K Bibliometrics
%K Theses
%U http://www.unak.org.tr/BilgiDunyasi/gorusler/2009/cilt10/sayi1/1-22.pdf