-
Bärnreuther, K.: Informationskompetenz-Vermittlung für Schulklassen mit Wikipedia und dem Framework Informationskompetenz in der Hochschulbildung (2021)
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- Date
- 30. 6.2021 16:29:52
- Source
- o-bib: Das offene Bibliotheksjournal. 8(2021) Nr.2, S.1-22
-
Popper, K.R.: Three worlds : the Tanner lecture on human values. Deliverd at the University of Michigan, April 7, 1978 (1978)
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- Source
- https%3A%2F%2Ftannerlectures.utah.edu%2F_documents%2Fa-to-z%2Fp%2Fpopper80.pdf&usg=AOvVaw3f4QRTEH-OEBmoYr2J_c7H
-
Strittmatter, K.: Chinas digitaler Plan für den besseren Menschen (2017)
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- Date
- 19. 9.2017 14:45:29
-
Franke, F.: ¬Das Framework for Information Literacy : neue Impulse für die Förderung von Informationskompetenz in Deutschland?! (2017)
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- Content
- https://www.o-bib.de/article/view/2017H4S22-29. DOI: https://doi.org/10.5282/o-bib/2017H4S22-29.
- Source
- o-bib: Das offene Bibliotheksjournal. 4(2017) Nr.4, S.22-29
-
Lehmann, K.: Braucht der menschliche Hippokampus neue Nervenzellen? (2018)
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- Date
- 17. 5.2018 10:29:06
-
Landwehr, A.: China schafft digitales Punktesystem für den "besseren" Menschen (2018)
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- Date
- 22. 6.2018 14:29:46
-
Boldi, P.; Santini, M.; Vigna, S.: PageRank as a function of the damping factor (2005)
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- Abstract
- PageRank is defined as the stationary state of a Markov chain. The chain is obtained by perturbing the transition matrix induced by a web graph with a damping factor alpha that spreads uniformly part of the rank. The choice of alpha is eminently empirical, and in most cases the original suggestion alpha=0.85 by Brin and Page is still used. Recently, however, the behaviour of PageRank with respect to changes in alpha was discovered to be useful in link-spam detection. Moreover, an analytical justification of the value chosen for alpha is still missing. In this paper, we give the first mathematical analysis of PageRank when alpha changes. In particular, we show that, contrarily to popular belief, for real-world graphs values of alpha close to 1 do not give a more meaningful ranking. Then, we give closed-form formulae for PageRank derivatives of any order, and an extension of the Power Method that approximates them with convergence O(t**k*alpha**t) for the k-th derivative. Finally, we show a tight connection between iterated computation and analytical behaviour by proving that the k-th iteration of the Power Method gives exactly the PageRank value obtained using a Maclaurin polynomial of degree k. The latter result paves the way towards the application of analytical methods to the study of PageRank.
- Date
- 16. 1.2016 10:22:28
-
Zanibbi, R.; Yuan, B.: Keyword and image-based retrieval for mathematical expressions (2011)
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- Abstract
- Two new methods for retrieving mathematical expressions using conventional keyword search and expression images are presented. An expression-level TF-IDF (term frequency-inverse document frequency) approach is used for keyword search, where queries and indexed expressions are represented by keywords taken from LATEX strings. TF-IDF is computed at the level of individual expressions rather than documents to increase the precision of matching. The second retrieval technique is a form of Content-Base Image Retrieval (CBIR). Expressions are segmented into connected components, and then components in the query expression and each expression in the collection are matched using contour and density features, aspect ratios, and relative positions. In an experiment using ten randomly sampled queries from a corpus of over 22,000 expressions, precision-at-k (k= 20) for the keyword-based approach was higher (keyword: µ= 84.0,s= 19.0, image-based:µ= 32.0,s= 30.7), but for a few of the queries better results were obtained using a combination of the two techniques.
- Date
- 22. 2.2017 12:53:49
-
Dubout, K.: Durch Rezensionen zur Emanzipation? : die "Bibliographie der Homosexualität" (1900-1922) im Jahrbuch für sexuelle Zwischenstufen (2016)
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- Source
- LIBREAS: Library ideas. no.29, 2016 [urn:nbn:de:kobv:11-100238160]
-
Tappenbeck, I.; Michel, A.; Wittich, A.; Werr, N.; Gäde, M.; Spree, U.; Gläser, C.; Griesbaum, J.; Mandl, T.; Keller-Loibl, K.; Stang, R.: Framework Informationskompetenz : Ein gemeinsamer Standard für die Qualifikation in den bibliotheks- und informationswissenschaftlichen Studiengängen in Deutschland (2022)
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- Date
- 2. 4.2022 13:42:29
-
O'Neill, E.T.; Bennett, R.; Kammerer, K.: Using authorities to improve subject searches (2012)
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- Date
- 29. 5.2015 20:57:41
-
Banerjee, K.; Johnson, M.: Improving access to archival collections with automated entity extraction (2015)
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- Source
- Code4Lib journal. Issue 29(2015), [http://journal.code4lib.org/issues/issues/issue29]
-
Mayo, D.; Bowers, K.: ¬The devil's shoehorn : a case study of EAD to ArchivesSpace migration at a large university (2017)
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- Date
- 31. 1.2017 13:29:56
-
Barthel, J.; Ciesielski, R.: Regeln zu ChatGPT an Unis oft unklar : KI in der Bildung (2023)
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- Date
- 29. 3.2023 13:23:26
29. 3.2023 13:29:19
-
Hegna, K.: Using FRBR (2004)
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-
Zeilmann, K.; Beer, K.; dpa: Tablet statt Lehrbuch : wie die Digitalisierung die Unis verändert (2016)
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Van der Veer Martens, B.: Do citation systems represent theories of truth? (2001)
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Wolchover, N.: Wie ein Aufsehen erregender Beweis kaum Beachtung fand (2017)
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- 22. 4.2017 10:42:05
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Dunning, A.: Do we still need search engines? (1999)
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Herb, U.: Überwachungskapitalismus und Wissenschaftssteuerung (2019)
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- Date
- 29. 6.2019 17:46:17
4. 8.2019 19:52:29
- Issue
- [29. Juli 2019].
