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http://hdl.handle.net/1942/737
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | EGGHE, Leo | - |
dc.date.accessioned | 2005-04-20T07:00:39Z | - |
dc.date.available | 2005-04-20T07:00:39Z | - |
dc.date.issued | 2005 | - |
dc.identifier.citation | Journal of the American Society for Information Science and Technology, 56(7). p. 664-668 | - |
dc.identifier.issn | 1532-2882 | - |
dc.identifier.uri | http://hdl.handle.net/1942/737 | - |
dc.description.abstract | The discrete Lotka power function describes the number of sources (e.g., authors) with n=1, 2, 3, . . items (e.g., publications). As in econometrics, informetrics theory requires functions of a continuous variable j, replacing the discrete variable n. Now j represents item densities instead of number of items. The continuous Lotka power function describes the density of sources with item density j. The discrete Lotka function one obtains from data, obtained empirically; the continuous Lotka function is the one needed when one wants to apply Lotkaian informetrics, i.e., to determine properties that can be derived from the (continuous) model. It is, hence, important to know the relations between the two models. We show that the exponents of the discrete Lotka function (if not too high, i.e., within limits encountered in practice) and of the continuous Lotka function are approximately the same. This is important to know in applying theoretical results (from the continuous model), derived from practical data. | - |
dc.format.extent | 234841 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | en | - |
dc.publisher | Wiley | - |
dc.subject.other | Discrete Lotka function; continuous Lotka function; power function | - |
dc.title | Relations between the continuous and the discrete Lotka power function | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 668 | - |
dc.identifier.issue | 7 | - |
dc.identifier.spage | 664 | - |
dc.identifier.volume | 56 | - |
local.bibliographicCitation.jcat | A1 | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.bibliographicCitation.oldjcat | A1 | - |
dc.identifier.doi | 10.1002/asi.20157 | - |
dc.identifier.isi | 000228634800001 | - |
item.fullcitation | EGGHE, Leo (2005) Relations between the continuous and the discrete Lotka power function. In: Journal of the American Society for Information Science and Technology, 56(7). p. 664-668. | - |
item.validation | ecoom 2006 | - |
item.accessRights | Open Access | - |
item.fulltext | With Fulltext | - |
item.contributor | EGGHE, Leo | - |
crisitem.journal.issn | 1532-2882 | - |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
relations 1.pdf Restricted Access | Published version | 72.92 kB | Adobe PDF | View/Open Request a copy |
relations 2.pdf | Peer-reviewed author version | 369.57 kB | Adobe PDF | View/Open |
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