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nestor-Handbuch : eine kleine Enzyklopädie der digitalen Langzeitarchivierung (2010)
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- Editor
- Neuroth, H., A. Oßwald, R. Scheffel, S. Strathmann u. K. Huth
- Type
- s
-
¬Third International World Wide Web Conference, Darmstadt 1995 : [Inhaltsverzeichnis] (1995)
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- Abstract
- ANDREW, K. u. F. KAPPE: Serving information to the Web with Hyper-G; BARBIERI, K., H.M. DOERR u. D. DWYER: Creating a virtual classroom for interactive education on the Web; CAMPBELL, J.K., S.B. JONES, N.M. STEPHENS u. S. HURLEY: Constructing educational courseware using NCSA Mosaic and the World Wide Web; CATLEDGE, L.L. u. J.E. PITKOW: Characterizing browsing strategies in the World-Wide Web; CLAUSNITZER, A. u. P. VOGEL: A WWW interface to the OMNIS/Myriad literature retrieval engine; FISCHER, R. u. L. PERROCHON: IDLE: Unified W3-access to interactive information servers; FOLEY, J.D.: Visualizing the World-Wide Web with the navigational view builder; FRANKLIN, S.D. u. B. IBRAHIM: Advanced educational uses of the World-Wide Web; FUHR, N., U. PFEIFER u. T. HUYNH: Searching structured documents with the enhanced retrieval functionality of free WAIS-sf and SFgate; FIORITO, M., J. OKSANEN u. D.R. IOIVANE: An educational environment using WWW; KENT, R.E. u. C. NEUSS: Conceptual analysis of resource meta-information; SHELDON, M.A. u. R. WEISS: Discover: a resource discovery system based on content routing; WINOGRAD, T.: Beyond browsing: shared comments, SOAPs, Trails, and On-line communities
- Type
- s
-
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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- Content
- https://www.o-bib.de/bib/article/view/5794. https://doi.org/10.5282/o-bib/5794.
- Source
- o-bib: Das offene Bibliotheksjournal. 9(2022) Nr.1, S.1-18
- Type
- a
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Wätjen, H.-J.; Diekmann, B.; Möller, G.; Carstensen, K.-U.: Bericht zum DFG-Projekt: GERHARD : German Harvest Automated Retrieval and Directory (1998)
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- Pages
- 34 S
- Type
- r
-
Bibliotheken und die Vernetzung des Wissens (2002)
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- Classification
- BAHS (FH K)
- Content
- Enthält die Beiträge: (1) Organisationsveränderung durch kooperatives Handeln: STANG, R.: Vernetzung als Zukunftsmodell; BUßMANN, I. u.a.: Innovative Lernarrangements in der institutionellen Umsetzung; KIL, M.: Lernveränderung = Organisationsveränderung?; STANNETT, A. u. A. CHADWICK: Lifelong learning, libraries and museums in the United Kingdom; UMLAUF, K.: Professionsveränderung in netzwerkbezogenen Arbeitsumgebungen - (2) Lernender Stadtteil: STEFFEN, G.: Die Stadt und der Stadtteil; PUHL, A.: Stadtteilbüchereien in der Fremdsicht; PUHL, A.: Institutionelle Kooperation in der Bildungsberatung - (3) Informationsnetze - gesucht und nicht gefunden: GÖDERT, W.: Zwischen Individuum und Wissen; THISSEN, F.: Verloren in digitalen Netzen - (4) Umsetzungshilfen: STANG, R.: Lerarrangements und Wissensangebote gestalten - (5) Ausblick: PUHL, A.: Aktuelle Forschungsbedarfe
- Editor
- Puhl, A.
Stang, R.
- Footnote
- Rez. in: ZfBB 50(2003) H.1, S.58-59 (H.-W. Hoffmann)
- GHBS
- BAHS (FH K)
- Pages
- 360 S. + CD-ROM
- Type
- s
-
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
- Type
- a
-
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
- Type
- a
-
Hintze, U.: Aus der Deutschen Forschungsgemeinschaft (2018)
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- Content
- https://www.o-bib.de/article/view/5377. https://doi.org/10.5282/o-bib/2018H3S166-169.
- Source
- o-bib: Das offene Bibliotheksjournal. 5(2018) Nr.3, S.166-169
- Type
- a
-
Doc-Thèses : Le catalogue des thèses soutenues dans les universités françaises sur CD-ROM (1997)
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- Footnote
- Rez. in: ZfBB 45(1998) H.4, S.437-447 (W. Sühl-Strohmenger u. R. Volk-Thoma)
-
Lehmann, K.: Unser Gehirn kartiert auch Beziehungen räumlich (2015)
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- Footnote
- Vgl. Original unter: http://www.sciencedirect.com/science/article/pii/S0896627315005243: "Morais Tavares, R., A. Mendelsohn, Y.Grossman, C.H. Williams, M. Shapiro, Y. Trope u. D. Schiller: A Map for Social Navigation in the Human Brain" in. Neuron 87(2015) no.1, S,231-243. [Deciphering the neural mechanisms of social behavior has propelled the growth of social neuroscience. The exact computations of the social brain, however, remain elusive. Here we investigated how the human br ain tracks ongoing changes in social relationships using functional neuroimaging. Participants were lead characters in a role-playing game in which they were to find a new home and a job through interactions with virtual cartoon characters. We found that a two-dimensional geometric model of social relationships, a "social space" framed by power and affiliation, predicted hippocampal activity. Moreover, participants who reported better social skills showed stronger covariance between hippocampal activity and "movement" through "social space." The results suggest that the hippocampus is crucial for social cognition, and imply that beyond framing physical locations, the hippocampus computes a more general, inclusive, abstract, and multidimensional cognitive map consistent with its role in episodic memory.].
- Type
- a
-
IBZ-CD-ROM: Internationale Bibliographie der Zeitschriftenliteratur aus allen Gebieten des Wissens : CD-ROM (1994)
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- Editor
- Zeller, O. u. W. Zeller
- Footnote
- Rez. in: IfB 3(1995) H.1, S.32-41 (B. Hoffmann); ZfBB 42(1995) H.2, S.188-190 (B. Homann)
- Pages
- 1 CD-ROM + 50 S. (Benutzerhandbuch)
-
Wiesenmüller, H.: ¬Der RDA-Umstieg in Deutschland : Herausforderungen für das Metadatenmanagement (2015)
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- Abstract
- Der Umstieg der deutschsprachigen Länder auf den neuen Katalogisierungsstandard RDA wirft die Frage auf, wie mit den gemäß RAK erschlossenen Altdaten umgegangen werden soll. Der vorliegende Beitrag untersucht aus datentechnischer Sicht, ob bzw. inwieweit RAK-Katalogisate (Titel- und Normdatensätze) mit maschinellen Mitteln auf RDA angehoben werden könnten. Beispielhaft betrachtet werden dabei u. a. die zu übertragenden Elemente in der bibliografischen Beschreibung, der Inhaltstyp sowie die Aufspaltung in getrennte bibliografische Identitäten im Fall von Pseudonymen. Es wird gezeigt, dass RDA-Upgrades möglich, aber hochkomplex sind.
- Content
- Beim vorliegenden Beitrag handelt es sich um die erweiterte und aktualisierte Fassung eines Vortrags, der am 5. Dezember 2014 auf dem Symposium "Forschung für die Praxis - Perspektiven für Bibliotheks- und Informationsmanagement" an der Hochschule der Medien in Stuttgart gehalten wurde. Vortragsfolien unter https://www.hdm-stuttgart.de/ bi/symposium/skripte/Wiesenmueller_RDA-Umstieg_Forum1_14-12-05.pdf (10.05.2015). Vgl. auch den Veranstaltungsbericht: Vonhof, Cornelia; Stang, Richard; Wiesenmüller, Heidrun: Forschung für die Praxis - Perspektiven für Bibliotheks- und Informationsmanagement. In: o-bib 2 (2015), H. 1, S. 68-74. http://dx.doi.org/10.5282/o-bib/2015H1S6. Vgl.: http://dx.doi.org/10.5282/o-bib/2015H2.
- Source
- o-bib: Das offene Bibliotheksjournal. 2(2015) Nr.2, S.43-60
- Type
- a
-
Boleda, G.; Evert, S.: Multiword expressions : a pain in the neck of lexical semantics (2009)
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- Abstract
- Mit einem Überblick über: Probleme, Methoden, Stand der Forschung u. Literatur.
- Date
- 1. 3.2013 14:56:22
-
Bärnreuther, K.: Informationskompetenz-Vermittlung für Schulklassen mit Wikipedia und dem Framework Informationskompetenz in der Hochschulbildung (2021)
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- Content
- https://www.o-bib.de/article/view/5650. https://doi.org/10.5282/o-bib/5650.
- Source
- o-bib: Das offene Bibliotheksjournal. 8(2021) Nr.2, S.1-22
- Type
- a
-
Ceynowa, K.: In Frankfurt lesen jetzt zuerst Maschinen : Deutsche Nationalbibliothek (2017)
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- Content
- Vgl. auch: Henze, V., U. Junger u. E. Mödden: Grundzüge und erste Schritte der künftigen inhaltlichen Erschliessung von Publikationen in der Deutschen Nationalbibliothek unter: http://www.dnb.de/DE/Erwerbung/Inhaltserschliessung/grundzuegeInhaltserschliessungMai2017.html. Vgl. auch: Wiesenmüller, H.: Das neue Sacherschließungskonzept der DNB in der FAZ. Unter: https://www.basiswissen-rda.de/neues-sacherschliessungskonzept-faz/. Vgl. auch die Diskussion zu dem Komplex unter: https://www.basiswissen-rda.de/neues-sacherschliessungskonzept-faz/.
- Type
- a
-
Krug, K.: ¬The Hitchhickers Guide to the Integer : Die Sache mit der 42 (2020)
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- Source
- Mitteilungen der Deutschen Mathematiker-Vereinigung. 2019, H.3-4, S.124-125
- Type
- a
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CD-ROM der Pädagogik (1996)
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- Editor
- Hierdeis, H. u. T. Hug
- Footnote
- Rez. in: Mitteilungen der VÖB 49(1996) H.3/4, S.154-157 (A. Jahn)
- Pages
- 1 CD + 25 S. (Beiheft)
-
Fischer, K.; Wiesenmüller, H.: ¬Der Einsatz der Personalgruppen in der Sacherschließung an wissenschaftlichen Bibliotheken : Ergebnisse einer Umfrage (2016)
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- Source
- o-bib: Das offene Bibliotheksjournal. 3(2016) Nr.2, S.56-77
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Hulek, K.; Teschke, O.: ¬Die Transformation von zbMATH zu einer offenen Plattform für die Mathematik (2020)
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- Source
- Mitteilungen der Deutschen Mathematiker-Vereinigung. 2020, H.2, S.108-111
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Aleksander, K.: Geschlechterbewusste Verschlagwortung : Bericht über die Sitzung der öffentlichen Arbeitsgruppe Gender/Diversity in Bibliotheken am 15.03.2016 (2016)
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- Source
- o-bib: Das offene Bibliotheksjournal. 3(2016) Nr.4, S.294-296
- Type
- a
