{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,22]],"date-time":"2026-01-22T03:46:23Z","timestamp":1769053583446,"version":"3.49.0"},"reference-count":17,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2007,9,6]],"date-time":"2007-09-06T00:00:00Z","timestamp":1189036800000},"content-version":"vor","delay-in-days":10232,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Am. Soc. Inf. Sci."],"published-print":{"date-parts":[[1979,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In order to explain the much increased citation frequency of recently published articles in respect to the normal exponential decay of older articles, the scientific information diffusion theory is used. The obsolescence rate results by combining the Gaussian normal distribution with the exponentially decreasing rate of the number of, articles with age. For recently published works supplementary adjustments are necessary: first, in order to have the citation number start at zero at the start of counting, and second, in order to reach the sixfold citation climax two years before it. All peculiarities exhibited by experimental survey data have been properly reproduced by making plausible assumptions suggested by the diffusion theory, such as preference of virtual authors to directly read recent articles, preference for verbal cross\u2010communication with colleagues, and increased preference for the newest articles in fields of personal interest. The latter preference is damped in the case of older articles since virtual authors prefer to consult the scientific community or review books. The results do confirm once more the reliability of the scientific information diffusion model.<\/jats:p>","DOI":"10.1002\/asi.4630300509","type":"journal-article","created":{"date-parts":[[2010,7,7]],"date-time":"2010-07-07T12:04:14Z","timestamp":1278504254000},"page":"296-303","source":"Crossref","is-referenced-by-count":78,"title":["Actuality and Obsolescence of Scientific Literature"],"prefix":"10.1002","volume":"30","author":[{"given":"Aurel","family":"Avramescu","sequence":"first","affiliation":[]}],"member":"311","published-online":{"date-parts":[[2007,9,6]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"crossref","unstructured":"Price de Solla D. Little Science Big Science. New York: Columbia U. P.;1963.","DOI":"10.7312\/pric91844"},{"key":"e_1_2_1_3_2","doi-asserted-by":"crossref","first-page":"510","DOI":"10.1126\/science.149.3683.510","article-title":"Networks of Scientific Papers","volume":"149","author":"Price de Solla D.","year":"1965","journal-title":"Science."},{"issue":"4","key":"e_1_2_1_4_2","first-page":"345","article-title":"Science Citation Distribution and Obsolescence","volume":"15","author":"Avramescu A.","year":"1973","journal-title":"Studii si Cercetari de Documentare."},{"issue":"1","key":"e_1_2_1_5_2","first-page":"3","article-title":"Contribution to the Foundation of Bibliometric Laws","volume":"15","author":"Avramescu A.","year":"1973","journal-title":"Studii si Cercetaride Documentare."},{"key":"e_1_2_1_6_2","first-page":"3","volume-title":"Communication among Scientists and Engineers","author":"Price de Solla D.","year":"1970"},{"issue":"5","key":"e_1_2_1_7_2","first-page":"222","article-title":"A General Theory of Bibliometric and Other Cumulative Advantage Processes","volume":"27","author":"Price de Solla D.","year":"1976","journal-title":"Journal of the American Society for Information Science."},{"key":"e_1_2_1_8_2","first-page":"94","volume-title":"The Art of Research","author":"Noltingk B. E.","year":"1965"},{"key":"e_1_2_1_9_2","doi-asserted-by":"publisher","DOI":"10.1002\/asi.5090140304"},{"issue":"3","key":"e_1_2_1_10_2","first-page":"19","article-title":"The Relation between Source Author and Cited Author Populations","volume":"1","author":"Price de Solla D.","year":"1976","journal-title":"International Forum on Information and Documentation"},{"key":"e_1_2_1_11_2","first-page":"253","volume-title":"A Course of Modern Analysis","author":"Whittaker E. T.","year":"1935"},{"issue":"1","key":"e_1_2_1_12_2","first-page":"13","article-title":"Modelling Information Transfer","volume":"1","author":"Avramescu A.","year":"1975","journal-title":"International Forum on Information and Documentation."},{"issue":"3","key":"e_1_2_1_13_2","first-page":"243","article-title":"Space Model of Science Diffusion","volume":"15","author":"Avramescu A.","year":"1973","journal-title":"Studii si Cercetari de Documentare."},{"key":"e_1_2_1_14_2","article-title":"Is the Ratio between Number of Citations and Publications Cited a True Constant?","volume":"6","author":"Garfield E.","year":"1976","journal-title":"Current Contents."},{"key":"e_1_2_1_15_2","first-page":"66","volume-title":"Problems of Information Science. FID 478","author":"Brookes B. C.","year":"1972"},{"issue":"2","key":"e_1_2_1_16_2","first-page":"44","article-title":"Time Factor in Lotka's Law","volume":"10","author":"Vlach\u1ef3 J.","year":"1976","journal-title":"Probleme de Informare si Documentare."},{"key":"e_1_2_1_17_2","volume-title":"Tables of Higher Functions","author":"Jahnke E","year":"1960"},{"key":"e_1_2_1_18_2","doi-asserted-by":"publisher","DOI":"10.1038\/206233a0"}],"container-title":["Journal of the American Society for Information Science"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fasi.4630300509","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/asistdl.onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/asi.4630300509","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T20:21:58Z","timestamp":1759954918000},"score":1,"resource":{"primary":{"URL":"https:\/\/asistdl.onlinelibrary.wiley.com\/doi\/10.1002\/asi.4630300509"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1979,9]]},"references-count":17,"journal-issue":{"issue":"5","published-print":{"date-parts":[[1979,9]]}},"alternative-id":["10.1002\/asi.4630300509"],"URL":"https:\/\/doi.org\/10.1002\/asi.4630300509","archive":["Portico"],"relation":{},"ISSN":["0002-8231","1097-4571"],"issn-type":[{"value":"0002-8231","type":"print"},{"value":"1097-4571","type":"electronic"}],"subject":[],"published":{"date-parts":[[1979,9]]}}}