-
Egghe, L.; Guns, R.; Rousseau, R.; Leuven, K.U.: Erratum (2012)
0.06
0.060971357 = product of:
0.121942714 = sum of:
0.121942714 = sum of:
0.051185228 = weight(_text_:technology in 4992) [ClassicSimilarity], result of:
0.051185228 = score(doc=4992,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.32906836 = fieldWeight in 4992, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.078125 = fieldNorm(doc=4992)
0.070757486 = weight(_text_:22 in 4992) [ClassicSimilarity], result of:
0.070757486 = score(doc=4992,freq=2.0), product of:
0.18288259 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052224867 = queryNorm
0.38690117 = fieldWeight in 4992, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=4992)
0.5 = coord(1/2)
- Date
- 14. 2.2012 12:53:22
- Source
- Journal of the American Society for Information Science and Technology. 63(2012) no.2, S.429
-
Asonuma, A.; Fang, Y.; Rousseau, R.: Reflections on the age distribution of Japanese scientists (2006)
0.04
0.036582813 = product of:
0.073165625 = sum of:
0.073165625 = sum of:
0.030711137 = weight(_text_:technology in 5270) [ClassicSimilarity], result of:
0.030711137 = score(doc=5270,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.19744103 = fieldWeight in 5270, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.046875 = fieldNorm(doc=5270)
0.042454492 = weight(_text_:22 in 5270) [ClassicSimilarity], result of:
0.042454492 = score(doc=5270,freq=2.0), product of:
0.18288259 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052224867 = queryNorm
0.23214069 = fieldWeight in 5270, 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=5270)
0.5 = coord(1/2)
- Date
- 22. 7.2006 15:26:24
- Source
- Journal of the American Society for Information Science and Technology. 57(2006) no.3, S.342-346
-
Ahlgren, P.; Jarneving, B.; Rousseau, R.: Requirements for a cocitation similarity measure, with special reference to Pearson's correlation coefficient (2003)
0.02
0.024388544 = product of:
0.04877709 = sum of:
0.04877709 = sum of:
0.020474091 = weight(_text_:technology in 5171) [ClassicSimilarity], result of:
0.020474091 = score(doc=5171,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.13162735 = fieldWeight in 5171, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.03125 = fieldNorm(doc=5171)
0.028302995 = weight(_text_:22 in 5171) [ClassicSimilarity], result of:
0.028302995 = score(doc=5171,freq=2.0), product of:
0.18288259 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052224867 = queryNorm
0.15476047 = fieldWeight in 5171, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03125 = fieldNorm(doc=5171)
0.5 = coord(1/2)
- Date
- 9. 7.2006 10:22:35
- Source
- Journal of the American Society for Information Science and technology. 54(2003) no.6, S.549-568
-
Rousseau, S.; Rousseau, R.: Metric-wiseness (2015)
0.02
0.01791483 = product of:
0.03582966 = sum of:
0.03582966 = product of:
0.07165932 = sum of:
0.07165932 = weight(_text_:technology in 6069) [ClassicSimilarity], result of:
0.07165932 = score(doc=6069,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.46069574 = fieldWeight in 6069, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.109375 = fieldNorm(doc=6069)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 66(2015) no.11, S.2389
-
Hu, X.; Rousseau, R.; Chen, J.: ¬A new approach for measuring the value of patents based on structural indicators for ego patent citation networks (2012)
0.02
0.0155147 = product of:
0.0310294 = sum of:
0.0310294 = product of:
0.0620588 = sum of:
0.0620588 = weight(_text_:technology in 445) [ClassicSimilarity], result of:
0.0620588 = score(doc=445,freq=6.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.39897424 = fieldWeight in 445, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.0546875 = fieldNorm(doc=445)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Abstract
- Technology sectors differ in terms of technological complexity. When studying technology and innovation through patent analysis it is well known that similar amounts of technological knowledge can produce different numbers of patented innovation as output. A new multilayered approach to measure the technological value of patents based on ego patent citation networks (PCNs) is developed in this study. The results show that the structural indicators for the ego PCN developed in this contribution can characterize groups of patents and, hence, in an indirect way, the health of companies.
- Source
- Journal of the American Society for Information Science and Technology. 63(2012) no.9, S.1834-1842
-
Rousseau, R.: Egghe's g-index is not a proper concentration measure (2015)
0.02
0.015355568 = product of:
0.030711137 = sum of:
0.030711137 = product of:
0.061422274 = sum of:
0.061422274 = weight(_text_:technology in 1864) [ClassicSimilarity], result of:
0.061422274 = score(doc=1864,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.39488205 = fieldWeight in 1864, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.09375 = fieldNorm(doc=1864)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 66(2015) no.7, S.1518-1519
-
Rousseau, R.: On Egghe's construction of Lorenz curves (2007)
0.01
0.012796307 = product of:
0.025592614 = sum of:
0.025592614 = product of:
0.051185228 = sum of:
0.051185228 = weight(_text_:technology in 521) [ClassicSimilarity], result of:
0.051185228 = score(doc=521,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.32906836 = fieldWeight in 521, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.078125 = fieldNorm(doc=521)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 58(2007) no.10, S.1551-1552
-
Egghe, L.; Guns, R.; Rousseau, R.: Thoughts on uncitedness : Nobel laureates and Fields medalists as case studies (2011)
0.01
0.010858027 = product of:
0.021716055 = sum of:
0.021716055 = product of:
0.04343211 = sum of:
0.04343211 = weight(_text_:technology in 4994) [ClassicSimilarity], result of:
0.04343211 = score(doc=4994,freq=4.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.2792238 = fieldWeight in 4994, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.046875 = fieldNorm(doc=4994)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Footnote
- Vgl.: Erratum. In: Journal of the American Society for Information Science and Technology. 63(2012) no.2, S.429.
- Source
- Journal of the American Society for Information Science and Technology. 62(2011) no.8, S.1637-1644
-
Shi, D.; Rousseau, R.; Yang, L.; Li, J.: ¬A journal's impact factor is influenced by changes in publication delays of citing journals (2017)
0.01
0.010858027 = product of:
0.021716055 = sum of:
0.021716055 = product of:
0.04343211 = sum of:
0.04343211 = weight(_text_:technology in 3441) [ClassicSimilarity], result of:
0.04343211 = score(doc=3441,freq=4.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.2792238 = fieldWeight in 3441, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.046875 = fieldNorm(doc=3441)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Abstract
- In this article we describe another problem with journal impact factors by showing that one journal's impact factor is dependent on other journals' publication delays. The proposed theoretical model predicts a monotonically decreasing function of the impact factor as a function of publication delay, on condition that the citation curve of the journal is monotone increasing during the publication window used in the calculation of the journal impact factor; otherwise, this function has a reversed U shape. Our findings based on simulations are verified by examining three journals in the information sciences: the Journal of Informetrics, Scientometrics, and the Journal of the Association for Information Science and Technology.
- Source
- Journal of the Association for Information Science and Technology. 68(2017) no.3, S.780-789
-
Egghe, L.; Rousseau, R.: Averaging and globalising quotients of informetric and scientometric data (1996)
0.01
0.010613623 = product of:
0.021227246 = sum of:
0.021227246 = product of:
0.042454492 = sum of:
0.042454492 = weight(_text_:22 in 7659) [ClassicSimilarity], result of:
0.042454492 = score(doc=7659,freq=2.0), product of:
0.18288259 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052224867 = 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)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of information science. 22(1996) no.3, S.165-170
-
Rousseau, R.: Timelines in citation research (2006)
0.01
0.010237046 = product of:
0.020474091 = sum of:
0.020474091 = product of:
0.040948182 = sum of:
0.040948182 = weight(_text_:technology in 1746) [ClassicSimilarity], result of:
0.040948182 = score(doc=1746,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.2632547 = fieldWeight in 1746, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.0625 = fieldNorm(doc=1746)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 57(2006) no.10, S.1404-1405
-
Egghe, L.; Liang, L.; Rousseau, R.: ¬A relation between h-index and impact factor in the power-law model (2009)
0.01
0.010237046 = product of:
0.020474091 = sum of:
0.020474091 = product of:
0.040948182 = sum of:
0.040948182 = weight(_text_:technology in 6759) [ClassicSimilarity], result of:
0.040948182 = score(doc=6759,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.2632547 = fieldWeight in 6759, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.0625 = fieldNorm(doc=6759)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 60(2009) no.11, S.2362-2365
-
Rousseau, R.; Ye, F.Y.: ¬A proposal for a dynamic h-type index (2008)
0.01
0.010237046 = product of:
0.020474091 = sum of:
0.020474091 = product of:
0.040948182 = sum of:
0.040948182 = weight(_text_:technology in 2351) [ClassicSimilarity], result of:
0.040948182 = score(doc=2351,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.2632547 = fieldWeight in 2351, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.0625 = fieldNorm(doc=2351)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 59(2008) no.11, S.1853-1855
-
Zhang, L.; Rousseau, R.; Glänzel, W.: Document-type country profiles (2011)
0.01
0.010237046 = product of:
0.020474091 = sum of:
0.020474091 = product of:
0.040948182 = sum of:
0.040948182 = weight(_text_:technology in 4487) [ClassicSimilarity], result of:
0.040948182 = score(doc=4487,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.2632547 = fieldWeight in 4487, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.0625 = fieldNorm(doc=4487)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 62(2011) no.7, S.1403-1411
-
Liu, Y.; Rousseau, R.: Citation analysis and the development of science : a case study using articles by some Nobel prize winners (2014)
0.01
0.010237046 = product of:
0.020474091 = sum of:
0.020474091 = product of:
0.040948182 = sum of:
0.040948182 = weight(_text_:technology in 1197) [ClassicSimilarity], result of:
0.040948182 = score(doc=1197,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.2632547 = fieldWeight in 1197, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.0625 = fieldNorm(doc=1197)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 65(2014) no.2, S.281-289
-
Rousseau, R.: Citation data as a proxy for quality or scientific influence are at best PAC (probably approximately correct) (2016)
0.01
0.010237046 = product of:
0.020474091 = sum of:
0.020474091 = product of:
0.040948182 = sum of:
0.040948182 = weight(_text_:technology in 3210) [ClassicSimilarity], result of:
0.040948182 = score(doc=3210,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.2632547 = fieldWeight in 3210, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.0625 = fieldNorm(doc=3210)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 67(2016) no.12, S.3092-3094
-
Egghe, L.; Rousseau, R.; Rousseau, S.: TOP-curves (2007)
0.01
0.008957415 = product of:
0.01791483 = sum of:
0.01791483 = product of:
0.03582966 = sum of:
0.03582966 = weight(_text_:technology in 50) [ClassicSimilarity], result of:
0.03582966 = score(doc=50,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.23034787 = fieldWeight in 50, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.0546875 = fieldNorm(doc=50)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 58(2007) no.6, S.777-785
-
Egghe, L.; Liang, L.; Rousseau, R.: Fundamental properties of rhythm sequences (2008)
0.01
0.008957415 = product of:
0.01791483 = sum of:
0.01791483 = product of:
0.03582966 = sum of:
0.03582966 = weight(_text_:technology in 1965) [ClassicSimilarity], result of:
0.03582966 = score(doc=1965,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.23034787 = fieldWeight in 1965, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.0546875 = fieldNorm(doc=1965)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 59(2008) no.9, S.1469-1478
-
Guns, R.; Rousseau, R.: Simulating growth of the h-index (2009)
0.01
0.008957415 = product of:
0.01791483 = sum of:
0.01791483 = product of:
0.03582966 = sum of:
0.03582966 = weight(_text_:technology in 2717) [ClassicSimilarity], result of:
0.03582966 = score(doc=2717,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.23034787 = fieldWeight in 2717, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.0546875 = fieldNorm(doc=2717)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 60(2009) no.2, S.410-417
-
Rousseau, R.: Basic properties of both percentile rank scores and the I3 indicator (2012)
0.01
0.008957415 = product of:
0.01791483 = sum of:
0.01791483 = product of:
0.03582966 = sum of:
0.03582966 = weight(_text_:technology in 4993) [ClassicSimilarity], result of:
0.03582966 = score(doc=4993,freq=2.0), product of:
0.15554588 = queryWeight, product of:
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.052224867 = queryNorm
0.23034787 = fieldWeight in 4993, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.978387 = idf(docFreq=6114, maxDocs=44218)
0.0546875 = fieldNorm(doc=4993)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 63(2012) no.2, S.416-420
