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http://hdl.handle.net/1942/13127
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DC Field | Value | Language |
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dc.contributor.author | EGGHE, Leo | - |
dc.date.accessioned | 2012-02-07T15:23:19Z | - |
dc.date.available | 2012-02-07T15:23:19Z | - |
dc.date.issued | 2013 | - |
dc.identifier.citation | INFORMATION PROCESSING & MANAGEMENT, 49(1), p. 99-107. | - |
dc.identifier.issn | 0306-4573 | - |
dc.identifier.uri | http://hdl.handle.net/1942/13127 | - |
dc.description.abstract | Supposing that the number of sources and the number of items in sources grow in time according to power laws, we present explicit formulae for the size- and rank-frequency functions in such systems. Size-frequency functions can decrease or increase while rank-frequency functions only decrease. The latter can be convex, concave, S-shaped (first convex, then concave) or reverse S-shaped (first concave, then convex). We also prove that, in such systems, Heaps’ law on the relation between the number of sources and items is valid. | - |
dc.language.iso | en | - |
dc.subject.other | Power law growth; Rank-frequency function; Size-frequency function; Heaps’ law | - |
dc.title | Study of the rank- and size-frequency functions in case of power law growth of sources and items and proof of Heaps' law | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 107 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 99 | - |
dc.identifier.volume | 49 | - |
local.bibliographicCitation.jcat | A1 | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.bibliographicCitation.oldjcat | A1 | - |
dc.identifier.doi | 10.1016/j.ipm.2012.02.004 | - |
dc.identifier.isi | 000313466600007 | - |
item.fullcitation | EGGHE, Leo (2013) Study of the rank- and size-frequency functions in case of power law growth of sources and items and proof of Heaps' law. In: INFORMATION PROCESSING & MANAGEMENT, 49(1), p. 99-107.. | - |
item.validation | ecoom 2014 | - |
item.accessRights | Open Access | - |
item.fulltext | With Fulltext | - |
item.contributor | EGGHE, Leo | - |
crisitem.journal.issn | 0306-4573 | - |
crisitem.journal.eissn | 1873-5371 | - |
Appears in Collections: | Research publications |
Files in This Item:
File | Description | Size | Format | |
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study 1.pdf Restricted Access | 223.48 kB | Adobe PDF | View/Open Request a copy | |
study 2.pdf | Peer-reviewed author version | 361.49 kB | Adobe PDF | View/Open |
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