-
Pillai, C.V.R.; Girijakumari, S.: Widening horizons of informetrics (1996)
0.17
0.17386869 = product of:
0.260803 = sum of:
0.026011098 = weight(_text_:of in 7172) [ClassicSimilarity], result of:
0.026011098 = score(doc=7172,freq=12.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.33856338 = fieldWeight in 7172, product of:
3.4641016 = tf(freq=12.0), with freq of:
12.0 = termFreq=12.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0625 = fieldNorm(doc=7172)
0.23479192 = product of:
0.46958384 = sum of:
0.46958384 = weight(_text_:informetrics in 7172) [ClassicSimilarity], result of:
0.46958384 = score(doc=7172,freq=8.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
1.2998534 = fieldWeight in 7172, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0625 = fieldNorm(doc=7172)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- Traces the origin and development of informetrics in the field of library and information science. 'Informatrics' is seen as a generic term to denote studies in which quantitative methods are applied. Discusses various applications of informetrics including citation analysis; impact factor; absolescence and ageing studies; bibliographic coupling; co-citation; and measurement of information such as retrieval performance assessment. Outlines recent developments in informetrics and calls for attention to be paid to the quality of future research in the field to ensure its reliability
-
Egghe, L.; Rousseau, R.: Averaging and globalising quotients of informetric and scientometric data (1996)
0.16
0.16458546 = product of:
0.24687818 = sum of:
0.03084537 = weight(_text_:of in 7659) [ClassicSimilarity], result of:
0.03084537 = score(doc=7659,freq=30.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.4014868 = fieldWeight in 7659, product of:
5.477226 = tf(freq=30.0), with freq of:
30.0 = termFreq=30.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.046875 = fieldNorm(doc=7659)
0.2160328 = sum of:
0.17609395 = weight(_text_:informetrics in 7659) [ClassicSimilarity], result of:
0.17609395 = score(doc=7659,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.48744506 = fieldWeight in 7659, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.046875 = fieldNorm(doc=7659)
0.039938856 = weight(_text_:22 in 7659) [ClassicSimilarity], result of:
0.039938856 = score(doc=7659,freq=2.0), product of:
0.17204592 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.049130294 = queryNorm
0.23214069 = fieldWeight in 7659, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=7659)
0.6666667 = coord(2/3)
- Abstract
- It is possible, using ISI's Journal Citation Report (JCR), to calculate average impact factors (AIF) for LCR's subject categories but it can be more useful to know the global Impact Factor (GIF) of a subject category and compare the 2 values. Reports results of a study to compare the relationships between AIFs and GIFs of subjects, based on the particular case of the average impact factor of a subfield versus the impact factor of this subfield as a whole, the difference being studied between an average of quotients, denoted as AQ, and a global average, obtained as a quotient of averages, and denoted as GQ. In the case of impact factors, AQ becomes the average impact factor of a field, and GQ becomes its global impact factor. Discusses a number of applications of this technique in the context of informetrics and scientometrics
- Source
- Journal of information science. 22(1996) no.3, S.165-170
-
Proceedings of the sixth conference of the International Society for Scientometrics and Informetrics (1997)
0.16
0.15605079 = product of:
0.23407617 = sum of:
0.026547467 = weight(_text_:of in 1037) [ClassicSimilarity], result of:
0.026547467 = score(doc=1037,freq=8.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.34554482 = fieldWeight in 1037, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.078125 = fieldNorm(doc=1037)
0.20752871 = product of:
0.41505742 = sum of:
0.41505742 = weight(_text_:informetrics in 1037) [ClassicSimilarity], result of:
0.41505742 = score(doc=1037,freq=4.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
1.148919 = fieldWeight in 1037, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.078125 = fieldNorm(doc=1037)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Footnote
- Issue devoted to the proceedings of the 6th conference of the International Society for Scientometrics and Informetrics, Jerusalem, 16-19 June 1997
-
Proceedings of the sixth conference of the International Society for Scientometrics and Informetrics (1998)
0.16
0.15605079 = product of:
0.23407617 = sum of:
0.026547467 = weight(_text_:of in 1038) [ClassicSimilarity], result of:
0.026547467 = score(doc=1038,freq=8.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.34554482 = fieldWeight in 1038, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.078125 = fieldNorm(doc=1038)
0.20752871 = product of:
0.41505742 = sum of:
0.41505742 = weight(_text_:informetrics in 1038) [ClassicSimilarity], result of:
0.41505742 = score(doc=1038,freq=4.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
1.148919 = fieldWeight in 1038, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.078125 = fieldNorm(doc=1038)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Footnote
- Issue devoted to the proceedings of the 6th conference of the International Society for Scientometrics and Informetrics, Jerusalem, 16-19 June 1997
-
Egghe, L.: Little science, big science and beyond (1994)
0.15
0.14935078 = product of:
0.22402616 = sum of:
0.018583227 = weight(_text_:of in 6883) [ClassicSimilarity], result of:
0.018583227 = score(doc=6883,freq=2.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.24188137 = fieldWeight in 6883, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.109375 = fieldNorm(doc=6883)
0.20544294 = product of:
0.41088587 = sum of:
0.41088587 = weight(_text_:informetrics in 6883) [ClassicSimilarity], result of:
0.41088587 = score(doc=6883,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
1.1373718 = fieldWeight in 6883, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.109375 = fieldNorm(doc=6883)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- Discusses the quality of bibliometrics, informetrics and scientometrics research, intradisciplinary communication and science policy
-
Proceedings of the Fifth Biennial Conference of the International Society for Scientometrics and Informetrics (1995)
0.13
0.13241349 = product of:
0.19862023 = sum of:
0.022526272 = weight(_text_:of in 7868) [ClassicSimilarity], result of:
0.022526272 = score(doc=7868,freq=4.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.2932045 = fieldWeight in 7868, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=7868)
0.17609395 = product of:
0.3521879 = sum of:
0.3521879 = weight(_text_:informetrics in 7868) [ClassicSimilarity], result of:
0.3521879 = score(doc=7868,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.9748901 = fieldWeight in 7868, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.09375 = fieldNorm(doc=7868)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
-
Voveriene, O.; Trumpiene, A.: Bibliometrics, scientometrics and informetrics : their relationship and interactions (1994)
0.13
0.13070534 = product of:
0.196058 = sum of:
0.03003503 = weight(_text_:of in 625) [ClassicSimilarity], result of:
0.03003503 = score(doc=625,freq=16.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.39093933 = fieldWeight in 625, product of:
4.0 = tf(freq=16.0), with freq of:
16.0 = termFreq=16.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0625 = fieldNorm(doc=625)
0.16602297 = product of:
0.33204594 = sum of:
0.33204594 = weight(_text_:informetrics in 625) [ClassicSimilarity], result of:
0.33204594 = score(doc=625,freq=4.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.9191352 = fieldWeight in 625, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0625 = fieldNorm(doc=625)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- Considers aspects of scientific methodology by which a new subject field attains the status of a branch of a science. Discusses recent developments of metrics in the science of science and library and information science. Presents definitions of librametrics, bibliometrics, scientometrics and informetrics and examines the relationships of the last 3 with each other and with science of science, library science and information science
-
Informetrics '91 : selected papers from the 3rd International Conference on Bibliometrics, 9-12 Aug. 1991, Bangalore (1993)
0.13
0.12801495 = product of:
0.19202243 = sum of:
0.01592848 = weight(_text_:of in 5063) [ClassicSimilarity], result of:
0.01592848 = score(doc=5063,freq=2.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.20732689 = fieldWeight in 5063, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=5063)
0.17609395 = product of:
0.3521879 = sum of:
0.3521879 = weight(_text_:informetrics in 5063) [ClassicSimilarity], result of:
0.3521879 = score(doc=5063,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.9748901 = fieldWeight in 5063, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.09375 = fieldNorm(doc=5063)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Footnote
- Rez. in: Journal of librarianship and information science 25(1993) no.4, S.216 (B. Cronin)
-
Wouters, P.: ¬The signs of science (1998)
0.10
0.09828733 = product of:
0.14743099 = sum of:
0.03003503 = weight(_text_:of in 1023) [ClassicSimilarity], result of:
0.03003503 = score(doc=1023,freq=16.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.39093933 = fieldWeight in 1023, product of:
4.0 = tf(freq=16.0), with freq of:
16.0 = termFreq=16.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0625 = fieldNorm(doc=1023)
0.11739596 = product of:
0.23479192 = sum of:
0.23479192 = weight(_text_:informetrics in 1023) [ClassicSimilarity], result of:
0.23479192 = score(doc=1023,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.6499267 = fieldWeight in 1023, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0625 = fieldNorm(doc=1023)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- Since the 'Science Citation Index' emerged within the system of scientific communication in 1964, an intense controversy about its character has been raging: in what sense can citation analysis be trusted? This debate can be characterized as the confrontation of different perspectives on science. Discusses the citation representation of science: the way the citation creates a new reality of as well as in the world of science; the main features of this reality; and some implications for science and science policy
- Footnote
- Paper presented at the 6th conference of the International Society for Scientometrics and Informetrics, Jerusalem, 16-19 June 1997
-
Small, H.: ¬A general framework for creating large scale maps of science in two or three dimensions : the SciViz system (1998)
0.10
0.0969941 = product of:
0.14549115 = sum of:
0.028095199 = weight(_text_:of in 1039) [ClassicSimilarity], result of:
0.028095199 = score(doc=1039,freq=14.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.36569026 = fieldWeight in 1039, product of:
3.7416575 = tf(freq=14.0), with freq of:
14.0 = termFreq=14.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0625 = fieldNorm(doc=1039)
0.11739596 = product of:
0.23479192 = sum of:
0.23479192 = weight(_text_:informetrics in 1039) [ClassicSimilarity], result of:
0.23479192 = score(doc=1039,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.6499267 = fieldWeight in 1039, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0625 = fieldNorm(doc=1039)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- Data visualization techniques have opened up new possibilities for science mapping. To exploit this opportunity new methods are needed to position tens of thousands of documents in a single coordinate space. Describes a general framework for achieving this goal involving hierarchical clustering, ordination of clusters, and the merging of ordinations into a common coordinate space. Presents the SciViz system as one particular implementation of this framework
- Footnote
- Paper presented at the 6th conference of the International Society for Scientometrics and Informetrics, Jerusalem, 16-19 June 1997
-
Gupta, B.M.; Sharma, P.; Karisiddappa, C.R.: Growth of research literature in scientific specialities : a modelling perspective (1997)
0.10
0.09560471 = product of:
0.14340706 = sum of:
0.026011098 = weight(_text_:of in 1040) [ClassicSimilarity], result of:
0.026011098 = score(doc=1040,freq=12.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.33856338 = fieldWeight in 1040, product of:
3.4641016 = tf(freq=12.0), with freq of:
12.0 = termFreq=12.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0625 = fieldNorm(doc=1040)
0.11739596 = product of:
0.23479192 = sum of:
0.23479192 = weight(_text_:informetrics in 1040) [ClassicSimilarity], result of:
0.23479192 = score(doc=1040,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.6499267 = fieldWeight in 1040, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0625 = fieldNorm(doc=1040)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- Discusses the application of 3 well known doffusion models and their modified versions to the growth of publication data in 4 selected fields of science and technology. It is observed that all the 3 models in their modified versions generally improve their performance in terms of parameter values, fit statistics, and graphical fit to the data. The most appropriate model is generally seen to be the modified exponential-logistic model
- Footnote
- Paper presented at the 6th conference of the International Society for Scientometrics and Informetrics, Jerusalem, 16-19 June 1997
-
Szava-Kovats, E.: Non-indexed literature citedness (1997)
0.09
0.09409382 = product of:
0.14114073 = sum of:
0.023744777 = weight(_text_:of in 3002) [ClassicSimilarity], result of:
0.023744777 = score(doc=3002,freq=10.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.3090647 = fieldWeight in 3002, product of:
3.1622777 = tf(freq=10.0), with freq of:
10.0 = termFreq=10.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0625 = fieldNorm(doc=3002)
0.11739596 = product of:
0.23479192 = sum of:
0.23479192 = weight(_text_:informetrics in 3002) [ClassicSimilarity], result of:
0.23479192 = score(doc=3002,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.6499267 = fieldWeight in 3002, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0625 = fieldNorm(doc=3002)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- Discusses citation counting measurements, and provides a qualitative analysis of citation analysis (also known as scientometrics or informetrics). Critically evaluates citation indexes, drawing on 2 major investigations carried out by the author. Explains the importance of the phenomenon of non-indexed citedness, and highlights some serious limitations of citation indexes as a basis for measuring the scientific literature and hence making judgements about the respective merits of individual scientists
-
Wormell, I.: Online searching is like gold-washing (1998)
0.09
0.09409382 = product of:
0.14114073 = sum of:
0.023744777 = weight(_text_:of in 3361) [ClassicSimilarity], result of:
0.023744777 = score(doc=3361,freq=10.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.3090647 = fieldWeight in 3361, product of:
3.1622777 = tf(freq=10.0), with freq of:
10.0 = termFreq=10.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0625 = fieldNorm(doc=3361)
0.11739596 = product of:
0.23479192 = sum of:
0.23479192 = weight(_text_:informetrics in 3361) [ClassicSimilarity], result of:
0.23479192 = score(doc=3361,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.6499267 = fieldWeight in 3361, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0625 = fieldNorm(doc=3361)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- Draws attention to the vast potential of online information databases and to the many new possibilities which advanced search techniques offer those who want to explore databases. Looks at informetrics, an emerging subfield in information science, which is based on the combination of advanced information retrieval and quantitative studies of information flow. Describes 3 studies carried out at the Centre for Information studies at the Royal School of Library and Information Science in Copenhagen, Denmark, to illustrate the scope and nature of informetric analysis
-
Bookstein, A.; Wright, B.: Ambiguity in measurement (1997)
0.09
0.09242263 = product of:
0.13863394 = sum of:
0.021237973 = weight(_text_:of in 1036) [ClassicSimilarity], result of:
0.021237973 = score(doc=1036,freq=8.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.27643585 = fieldWeight in 1036, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0625 = fieldNorm(doc=1036)
0.11739596 = product of:
0.23479192 = sum of:
0.23479192 = weight(_text_:informetrics in 1036) [ClassicSimilarity], result of:
0.23479192 = score(doc=1036,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.6499267 = fieldWeight in 1036, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0625 = fieldNorm(doc=1036)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- Gives an overview of the role of ambiguity in measurement and explores analytical methods for exploring its impact. Argues that certain functional forms are more resilient than others to problems of ambiguity, and that these should be preferred when ambiguity is a serious concern
- Footnote
- Extends the keynote address delivered at the 6th conference of the International Society for Scientometrics and Informetrics, Jerusalem, 16-19 June 1997
-
Garfield, E.: From citation indexes to informetrics : is the tail now wagging the dog? (1998)
0.09
0.08902551 = product of:
0.13353826 = sum of:
0.030816795 = weight(_text_:of in 2809) [ClassicSimilarity], result of:
0.030816795 = score(doc=2809,freq=22.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.40111488 = fieldWeight in 2809, product of:
4.690416 = tf(freq=22.0), with freq of:
22.0 = termFreq=22.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0546875 = fieldNorm(doc=2809)
0.10272147 = product of:
0.20544294 = sum of:
0.20544294 = weight(_text_:informetrics in 2809) [ClassicSimilarity], result of:
0.20544294 = score(doc=2809,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.5686859 = fieldWeight in 2809, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0546875 = fieldNorm(doc=2809)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- Provides a synoptic review and history of citation indexes and their evolution into research evaluation tools including a discussion of the use of bibliometric data for evaluating US institutions (academic departments) by the National Research Council (NRC). Covers the origin and uses of periodical impact factors, validation studies of citation analysis, information retrieval and dissemination (current awareness), citation consciousness, historiography and science mapping, Citation Classics, and the history of contemporary science. Illustrates the retrieval of information by cited reference searching, especially as it applies to avoiding duplicated research. Discusses the 15 year cumulative impacts of periodicals and the percentage of uncitedness, the emergence of scientometrics, old boy networks, and citation frequency distributions. Concludes with observations about the future of citation indexing
-
Wilson, C.S.: Defining subject collections for informetric analyses : the effect of varying the subject aboutness level (1998)
0.09
0.08600142 = product of:
0.12900212 = sum of:
0.02628065 = weight(_text_:of in 1035) [ClassicSimilarity], result of:
0.02628065 = score(doc=1035,freq=16.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.34207192 = fieldWeight in 1035, product of:
4.0 = tf(freq=16.0), with freq of:
16.0 = termFreq=16.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0546875 = fieldNorm(doc=1035)
0.10272147 = product of:
0.20544294 = sum of:
0.20544294 = weight(_text_:informetrics in 1035) [ClassicSimilarity], result of:
0.20544294 = score(doc=1035,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.5686859 = fieldWeight in 1035, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0546875 = fieldNorm(doc=1035)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- Examines how several commonly measured properties of subject literatures vary as an important factor in the compilation of subject collections (the amount which a document 'says' about a subject) is varied. This document property has been expressed in formal terms and given a simple measure for the one subject examined, the research topic of Bradford's law of scattering. It is found that lowering the level of subject aboutness required for admission to a collection produces a large increase in the size of the collection obtained, and an appreciable change in some size related properties
- Footnote
- Paper presented at the 6th conference of the International Society for Scientometrics and Informetrics, Jerusalem, 16-19 June 1997
-
Egghe, L.; Rousseau, R.: Duality in information retrieval and the hypegeometric distribution (1997)
0.09
0.0853433 = product of:
0.12801495 = sum of:
0.010618987 = weight(_text_:of in 647) [ClassicSimilarity], result of:
0.010618987 = score(doc=647,freq=2.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.13821793 = fieldWeight in 647, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0625 = fieldNorm(doc=647)
0.11739596 = product of:
0.23479192 = sum of:
0.23479192 = weight(_text_:informetrics in 647) [ClassicSimilarity], result of:
0.23479192 = score(doc=647,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.6499267 = fieldWeight in 647, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0625 = fieldNorm(doc=647)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- Asserts that duality is an important topic in informetrics, especially in connection with the classical informetric laws. Yet this concept is less studied in information retrieval. It deals with the unification or symmetry between queries and documents, search formulation versus indexing, and relevant versus retrieved documents. Elaborates these ideas and highlights the connection with the hypergeometric distribution
- Source
- Journal of documentation. 53(1997) no.5, S.499-496
-
Faucompre, P.; Quoniam, L.; Dou, H.: ¬An effective link between science and technology (1997)
0.08
0.08365412 = product of:
0.12548117 = sum of:
0.02275971 = weight(_text_:of in 1097) [ClassicSimilarity], result of:
0.02275971 = score(doc=1097,freq=12.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.29624295 = fieldWeight in 1097, product of:
3.4641016 = tf(freq=12.0), with freq of:
12.0 = termFreq=12.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0546875 = fieldNorm(doc=1097)
0.10272147 = product of:
0.20544294 = sum of:
0.20544294 = weight(_text_:informetrics in 1097) [ClassicSimilarity], result of:
0.20544294 = score(doc=1097,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.5686859 = fieldWeight in 1097, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0546875 = fieldNorm(doc=1097)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- The link between science and technology represents a major strategic stake, so the relation between scientific bibliographic references and technical bibliographic references can be of very important documentary interest. To set up this link, IPC catchwords have been used as a switching language. A previous feasibility study had shown the possibilities of such a full automatic correspondence and its obvious inadequacies. Presents the most important modifications brought to this correspondece, in particular the consideration of multilingual indexes which allow to link several indexation fields with one of the most complete representations of patent classification
- Footnote
- Paper presented at the 6th conference of the International Society for Scientometrics and Informetrics, Jerusalem, 16-19 June 1997
-
Quoniam, L.: Bibliometric law used for information retrieval (1998)
0.08
0.080869794 = product of:
0.12130469 = sum of:
0.018583227 = weight(_text_:of in 1162) [ClassicSimilarity], result of:
0.018583227 = score(doc=1162,freq=8.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.24188137 = fieldWeight in 1162, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0546875 = fieldNorm(doc=1162)
0.10272147 = product of:
0.20544294 = sum of:
0.20544294 = weight(_text_:informetrics in 1162) [ClassicSimilarity], result of:
0.20544294 = score(doc=1162,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.5686859 = fieldWeight in 1162, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0546875 = fieldNorm(doc=1162)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- Zipf's law was used to qualify all the key words of documents in a data set. This qualification was used to build a graphical representation of the resulting indicator in each document. The graphical resolution leads to a document dispatch in a 3 dimensional space. This graphical representation was used as an information retrieval tool without using any keyword. The presentation of a case study is available on the WWW. The graph is drawn in VRML allowing a dynamic picture which is linked to a database management system (FreeWAIS)
- Footnote
- Paper presented at the 6th conference of the International Society for Scientometrics and Informetrics, Jerusalem, 16-19 June 1997
-
Katz, J.S.; Hicks, D.: How much is a collaboration worth? : a calibrated bibliometric model (1997)
0.08
0.07921001 = product of:
0.11881501 = sum of:
0.016093547 = weight(_text_:of in 1022) [ClassicSimilarity], result of:
0.016093547 = score(doc=1022,freq=6.0), product of:
0.076827854 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.049130294 = queryNorm
0.20947541 = fieldWeight in 1022, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.0546875 = fieldNorm(doc=1022)
0.10272147 = product of:
0.20544294 = sum of:
0.20544294 = weight(_text_:informetrics in 1022) [ClassicSimilarity], result of:
0.20544294 = score(doc=1022,freq=2.0), product of:
0.36125907 = queryWeight, product of:
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.049130294 = queryNorm
0.5686859 = fieldWeight in 1022, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
7.3530817 = idf(docFreq=76, maxDocs=44218)
0.0546875 = fieldNorm(doc=1022)
0.5 = coord(1/2)
0.6666667 = coord(2/3)
- Abstract
- There are numerous international and national programmes to encourage collaboration. However, little is known about the way in which collaboration changes the impact of a research publication. Explores hoe the impact (average citations per paper) varies with different types of collaboration. A calibrated bibliometric model is derived that demonstrates that collaborating with an author from the home institution or another domestic institution increases the average impact by about 0,75 citations while collaborating with an author from a foreign institution increases the impact by about 1.6 citations
- Footnote
- Paper presented at the 6th conference of the International Society for Scientometrics and Informetrics, Jerusalem, 16-19 June 1997
