-
Egghe, L.; Guns, R.; Rousseau, R.; Leuven, K.U.: Erratum (2012)
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- Date
- 14. 2.2012 12:53:22
-
Vickery, B.C.: ¬An approach to information science (1980)
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- Source
- Theory and application of information research. Proc. of the 2nd Int. Research Forum on Information Science, 3.-6.8.1977, Copenhagen. Ed.: O. Harbo u. L. Kajberg
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Brookes, B.C.: People versus particles (1980)
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- Source
- Theory and application of information research. Proc. of the 2nd Int. Research Forum on Information Science, 3.-6.8.1977, Copenhagen. Ed.: O. Harbo u. L. Kajberg
-
Gödert, W.; Hubrich, J.; Boteram, F.: Thematische Recherche und Interoperabilität : Wege zur Optimierung des Zugriffs auf heterogen erschlossene Dokumente (2009)
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- Source
- https://opus4.kobv.de/opus4-bib-info/frontdoor/index/index/searchtype/authorsearch/author/%22Hubrich%2C+Jessica%22/docId/703/start/0/rows/20
-
Egghe, L.: Little science, big science and beyond (1994)
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-
Chongde, W.; Zhe, W.: Evaluation of the models for Bradford's law (1998)
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- Abstract
- Conducts a goodness of fit test for 2 models for Bradford's law given by Egghe and Smolkov. Concludes that Smolkov's model is of comparatively higher accuracy. Finally points out the necessity of carrying out statistical tests for comparisons more frequently for the new models of Bradford's law in the development of the law in order to get the best model
- Date
- 22. 5.1999 19:12:28
-
Egghe, L.; Liang, L.; Rousseau, R.: Fundamental properties of rhythm sequences (2008)
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- Abstract
- Fundamental mathematical properties of rhythm sequences are studied. In particular, a set of three axioms for valid rhythm indicators is proposed, and it is shown that the R-indicator satisfies only two out of three but that the R-indicator satisfies all three. This fills a critical, logical gap in the study of these indicator sequences. Matrices leading to a constant R-sequence are called baseline matrices. They are characterized as matrices with constant w-year diachronous impact factors. The relation with classical impact factors is clarified. Using regression analysis matrices with a rhythm sequence that is on average equal to 1 (smaller than 1, larger than 1) are characterized.
-
Egghe, L.: Expansion of the field of informetrics : the second special issue (2006)
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-
Egghe, L.: Expansion of the field of informetrics : origins and consequences (2005)
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-
Egghe, L.: Special features of the author - publication relationship and a new explanation of Lotka's law based on convolution theory (1994)
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-
Egghe, L.: Note on a possible decomposition of the h-Index (2013)
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Egghe, L.: ¬The Hirsch index and related impact measures (2010)
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Lang, L.; Dikovich, W.; Labner, J.: ÖZDB-Compact, Version 1.0 (1994) : die ÖZDB auf CD-ROM (1995)
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- Source
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Ackermann, E.: Piaget's constructivism, Papert's constructionism : what's the difference? (2001)
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- Content
- Vgl.: https://www.semanticscholar.org/paper/Piaget-%E2%80%99-s-Constructivism-%2C-Papert-%E2%80%99-s-%3A-What-%E2%80%99-s-Ackermann/89cbcc1e740a4591443ff4765a6ae8df0fdf5554. Darunter weitere Hinweise auf verwandte Beiträge. Auch unter: Learning Group Publication 5(2001) no.3, S.438.
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Goffman, W.: On the effectiveness problem in communication (1980)
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Weisel, L.: Elektronische Fachinformation in der Physik an Hochschulen : ein Erfahrungsbericht (1992)
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Diekmann, B.; Weisel, L.: ¬Two software tools supporting end user oriented information retrieval in physics (1995)
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Olleschik, L.: Stadtbüger im Netz : das Beispiel Münster (1996)
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Heckmann, P.; Koniczek, L.; Schneider, W.; Schwittek, C.: Aktueller Vergleich (Benutzerfreundlichkeit, Effizienz, Preis ...) für Strukturrecherchen : Online (CA, Beilstein) versus Inhouse (Crossfire) (1996)
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Egghe, L.: ¬A good normalized impact and concentration measure (2014)
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