-
Bellamy, L.M.; Bickham, L.: Thesaurus development for subject cataloging (1989)
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- Abstract
- The biomedical book collection in the Genetech Library and Information Services was first inventoried and cataloged in 1983 when it totaled about 2000 titles. Cataloging records were retrieved from the OCLC system and used as a basis for cataloging. A year of cataloging produced a list of 1900 subject terms. More than one term describing the same concept often appears on the list, and no hierarchical structure related the terms to one another. As the collection grew, the subject catalog became increasingly inconsistent. To bring consistency to subject cataloging, a thesaurus of biomedical terms was constructed using the list of subject headings as a basis. This thesaurus follows the broad categories of the National Library of Medicine's Medical Subject Headings and, with some exceptions, the Guidelines for the Establishment and Development of Monolingual Thesauri. It has enabled the cataloger in providing greater in-depth subject analysis of materials added to the collection and in consistently assigning subject headings to cataloging record.
- Theme
- Konzeption und Anwendung des Prinzips Thesaurus
-
Jacobs, J.-H.; Mengel, T.; Müller, K.: Insights and Outlooks : a retrospective view on the CrissCross project (2011)
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- Abstract
- This paper discusses goals, methods and benefits of the conceptual mapping approach developed by the CrissCross project, in the framework of which the topical headings of the German subject headings authority file Schlagwortnormdatei (SWD) have been mapped to notations of the Dewey Decimal Classification (DDC). Projectspecific retrieval concepts for improving thematic access in heterogeneous information spaces are outlined and explained on the basis of significant examples.
- Series
- Bibliotheca Academica - Reihe Informations- und Bibliothekswissenschaften; Bd. 1
-
Schadlich, T.: Changing from Sears to LC Subject Headings (1980)
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- Object
- Sears List of Subject Headings
-
Studwell, W.E.: Retrieving LC Subject Headings : long chains versus an increased number of headings (1989)
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-
Sears' List of Subject Headings : Canadian companion (1992)
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- Object
- Sears List of Subject Headings
-
Subject headings : the future of subdivisions in the Library of Congress Subject Headings system; report from the subject divisions conference sponsored by the Library of Congress, May 9-12, 1991 (1992)
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- Content
- 16 Beiträge zu: (*) Machine validation of subdivided headings, especially headings with free-floating subdivisions; (*) order and display of subdivides headings; (*) simplification of rules for assigning subdivisions; (*) creation of a national subject authority file
-
Aikawa, H. (Bearb.): Guidelines on subject access to individual works of fiction, drama, etc. (2000)
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- LCSH
- Form headings
Subject headings / Literary form
Subject headings / Literature
Subject headings / Motion pictures
Subject headings / Television programs
- Subject
- Form headings
Subject headings / Literary form
Subject headings / Literature
Subject headings / Motion pictures
Subject headings / Television programs
-
¬Die Macht der Suchmaschinen (2007)
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- Abstract
- Suchmaschinen sind der wichtigste Zugangsweg zum Auffinden neuer Netzinhalte. Insgesamt verwendeten nach einer repräsentativen Studie im dritten Quartal 2005 fast 85 Prozent der deutschen Internetnutzer Suchmaschinen. Diese sind inzwischen auch ein Big Business: Gemessen am Börsenwert ist die Suchmaschine Google mit einem Gesamtwert von 80 Mrd. Dollar das wertvollste Medienunternehmen der Welt. Der Konzerngewinn stieg von 2004 auf 2005 um 367 Prozent auf 1,5 Mrd. Dollar. Als Gatekeeper im Internet stellen die Suchmaschinen eine zentrale Herausforderung für Wissenschaft und Forschung dar - letztlich geht es um die Frage der "digitalen Informationsmacht". Mit diesem Band liegt erstmals eine Publikation vor, die die Rolle von Suchmaschinen in der Informationsgesellschaft in den wichtigsten Dimensionen aus verschiedenen Perspektiven wissenschaftlich beleuchtet und dabei hilft, die künftige Suchmaschinenforschung zu systematisieren.
- BK
- 05.20 Kommunikation und Gesellschaft
- Classification
- AP 18420 Allgemeines / Medien- und Kommunikationswissenschaften, Kommunikationsdesign / Arten des Nachrichtenwesens, Medientechnik / Internet
05.20 Kommunikation und Gesellschaft
- Content
- Der Band geht auf die internationale Tagung Die wachsende Macht von Suchmaschinen im Internet: Auswirkungen auf User, Medienpolitik und Medienbusiness bestehend aus einem interdisziplinären wissenschaftlichen Workshop am 26. Juni 2006 und einer Publikumskonferenz am 27. Juni 2006 in Berlin zurück, die vom Lehrstuhl für Journalistik II der Universität Leitung und dem Lehrstuhl für Internationalen Journalismus der UniversitSt Dortmund in Kooperation mit der Friedrich-Ebert-Stiftung, Bereich Medien und Politik, veranstaltet worden ist. In drei Kapiteln werden die zentralen Forschungsfelder aufgegriffen: Das erste Kapitel behandelt die wichtigsten Aspekte im Bereich der Suchmaschinenregulierung und -ökonomie. Es werden Herausforderungen transparent gemacht, die sich gegenwärtig in der Entwicklung befindlichen Regulierungsstrukturen analysiert und Lösungswege erarbeitet. Das zweite Kapitel beschäftigt sich, zum ersten Mal in Form einer Publikation, mit dem Verhältnis von Suchmaschinen und Journalismus. Dabei ist die Frage, inwieweit Suchmaschinen einerseits journalistische Funktionen übernehmen und andererseits Journalisten als Rechercheinstrument dienen und wie sich hierdurch das Gefüge des bisherigen Massenkommunikationssystems verändert, von entscheidender Bedeutung.
Im dritten Kapitel werden die Qualität von Suchmaschinen und das Nutzerverhalten näher beleuchtet. Erkenntnisse über die Güte von Suchmaschinen sind von großer Relevanz, um deren Rolle bei der Informationsvermittlung in einer Gesellschaft angemessen beurteilen zu können. Der Band liefert hier neue Ansätze und Vorschläge, da die Frage nach der Qualität von Suchmaschinen noch nicht ausreichend beantwortet worden ist. Zum anderen ist die Analyse des Nutzerverhaltens grundlegend, um Schlussfolgerungen für die Medienkompetenz als zentrale Schlüsselqualifikation im Informationszeitalter ziehen zu können. Unter den Autoren sind viele der international führende Experten auf dem Gebiet Suchmaschinen, darunter Wissenschaftler der Universitäten Harvard, Yale und Columbia sowie der London School of Economics und der Pariser Sorbonne. Darüber hinaus wurden auch Beiträge von Praktikern, allesamt leitende Redakteure oder Verantwortliche in Medienunternehmen aufgenommen, um deren Erkenntnisse für die Thematik fruchtbar zu machen. Der Band richtet sich neben der Wissenschaft auch an die Praxis, vor allem die Medienaufsicht und -ökonomie sowie an den Journalismus. Er bietet aber auch der allgemein interessierten Öffentlichkeit einen fundierten Einblick in die bisher wenig erforschte Welt der Suchmaschinen.
MARCEL MACHILL / MARKUS BEILER / MARTIN ZENKER: Suchmaschinenforschung. Überblick und Systematisierung eines interdisziplinären Forschungsfeldes TEIL 1: SUCHMASCHINENREGULIERUNG UND -ÖKONOMIE URS GASSER / JAMES THURMAN: Themen und Herausforderungen der Regulierung von Suchmaschinen NORBERT SCHNEIDER: Die Notwendigkeit der Suchmaschinenregulierung aus Sicht eines Regulierers WOLFGANG SCHULZ / THORSTEN HELD: Der Index auf dem Index? Selbstzensur und Zensur bei Suchmaschinen BORIS ROTENBERG: Towards Personalised Search: EU Data Protection Law and its Implications for Media Pluralism ELIZABETH VAN COUVERING: The Economy of Navigation: Search Engines, Search Optimisation and Search Results THEO RÖHLE: Machtkonzepte in der Suchmaschinenforschung TEIL 2: SUCHMASCHINEN UND JOURNALISMUS VINZENZ WYSS / GUIDO KEEL: Google als Trojanisches Pferd? Konsequenzen der Internet-Recherche von Journalisten für die journalistische Qualität NIC NEWMAN: Search Strategies and Activities of BBC News Interactive JÖRG SADROZINSKI: Suchmaschinen und öffentlich-rechtlicher Onlinejournalismus am Beispiel tagesschau.de HELMUT MARTIN-JUNG: Suchmaschinen und Qualitätsjournalismus PHILIP GRAF DÖNHOFF / CHRISTIAN BARTELS: Online-Recherche bei NETZEITUNG.DE SUSAN KEITH: Searching for News Headlines: Connections between Unresolved Hyperlinking Issues and a New Battle over Copyright Online AXEL BUNDENTHAL: Suchmaschinen als Herausforderung für Archive und Dokumentationsbereiche am Beispiel des ZDF BENJAMIN PETERS: The Search Engine Democracy: Metaphors and Muhammad
TEIL 3: QUALITÄT VON SUCHMASCHINEN UND NUTZERVERHALTEN] DIRK LEWANDOWSKI: Mit welchen Kennzahlen lässt sich die Qualität von Suchmaschinen messen? BENJAMIN EDELMAN: Assessing and Improving the Safety of Internet Search Engines HENDRIK SPECK / FREDERIC PHILIPP THIELE: Playing the Search Engines or Hacking the Box: Möglichkeiten und Gefahren von Suchmaschinen-Hacking am Beispiel von Google NATALIE KINK / THOMAS HESS: Suchmaschinen als Substitut traditioneller Medien? Erste Ergebnisse einer Studie zum Wandel der Informationsbeschaffung durch Suchmaschinen DIVINA FRAU-MEIGS: Minding the Gatekeepers: Search Engines for Young People, and the Regulatory Riddle of Harmful Content an Environmental Cognition Perspective MARCEL MACHILL / MARKUS BEILER / ULRIKE NEUMANN: Leistungsfähigkeit von wissenschaftlichen Suchmaschinen. Ein Experiment am Beispiel von Google Scholar
- RVK
- AP 18420 Allgemeines / Medien- und Kommunikationswissenschaften, Kommunikationsdesign / Arten des Nachrichtenwesens, Medientechnik / Internet
-
Principles underlying subject heading languages (SHLs) (1999)
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- Classification
- AN 75400 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Bibliothekswesen / Sacherschließung in Bibliotheken / Schlagwortregeln, Schlagwortverzeichnis
- LCSH
- Subject headings
- RVK
- AN 75400 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Bibliothekswesen / Sacherschließung in Bibliotheken / Schlagwortregeln, Schlagwortverzeichnis
- Subject
- Subject headings
-
Raghavan, V.V.; Jung, G.S.; Bollmann, P.: ¬A critical investigation of recall and precision as measures of retrieval system performance (1989)
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-
Haykin, D.J.: Subject headings: a practical guide (1951)
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-
Rue, E.; LaPlante, E.: Subject headings for children's materials (1952)
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-
¬A list of Australian subject headings (1981)
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-
Thesaurus of information technology terms (1988)
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- LCSH
- Subject headings / Information technology
Subject headings / Electronic data processing
- Subject
- Subject headings / Information technology
Subject headings / Electronic data processing
-
Mowery, R.L.: Spanish subject headings in ILLINET online (1995)
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- Abstract
- Spansih subject headings can be used when searching ILLINET Online. Although Spanish language Bilindex subject headings have been available for more than a decade, the library literature has virtually ignored their existence. Provides a brief introduction to these headings, identifies several Illinois libraries which currently assign them, and presents some examples. Surveys various prospects and problems associated with their use
-
Satija, M.P.: Enhancing the subject headings minting capacity of the Sears List of Subject Headings : some suggestions (2012)
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- Abstract
- Sears List of Subject Headings (Miller and McCarthy 2010), first published in 1923, is now in its 20th edition. Like most subject headings lists, apart from being a list of preferred (and non-preferred) headings, it also provides patterns, clear instructions, and examples for coining new subject headings not explicitly listed. Key headings form a vital part of the system of coining new headings. It is proposed that more key headings should be designated. Some candidate headings are described. One far-reaching provision seems to be the use of a subdivision of a preferred heading with all of its NTs. Thus, every preferred heading is a potential key heading for all of its NTs. This proposal works on the principle that what is true of a class is true of its narrower classes of all types. Applying this principle will enormously enhance the capacity of the List without adding even an iota to its text and size.
- Object
- Sears List of Subject Headings
-
Greenberg, A.M.: Scope notes in Library of Congress Subject Headings (1981)
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- Abstract
- Scope notes from Library of Congress Subject Headings are examined for 1) adherence to principles enunciated in the introduction to the list; 2) peculiarities of subject headings associated with such notes; 3) the structure of the notes; and 4) typical patterns associated with certain categories of subject headings. Scope notes are shown to enable catalogers to apply subject headings consistently and readers to distinguish related headings knowledgeably.
-
Kreyche, M.: Subject headings for the 21st century : the lcsh-es.org bilingual database (2008)
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- Abstract
- Spanish is one of the most widely spoken languages in the world and a review of the lists of subject headings in this language reveals numerous efforts over a period of time, usually involving some form of collaboration, but largely isolated from each other. Technological developments suggest that a greater degree of cooperation is now possible and would be beneficial to the international library community if other barriers can be surmounted. The lcsh-es.org project demonstrates this concept in a practical way and suggest a new model for international cooperation in authority control. The site may be accessed at http://lcsh-es.org.
- Content
- Beitrag während: World library and information congress: 74th IFLA general conference and council, 10-14 August 2008, Québec, Canada. Vgl. auch: http://www.ibiblio.org/fred2.0/wordpress/?p=20 (mit Grafik der Beziehung zwischen 'mammal' und 'doorbell')
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Shiri, A.: Powering search : the role of thesauri in new information environments (2012)
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- LCSH
- Subject headings
- Subject
- Subject headings
- Theme
- Konzeption und Anwendung des Prinzips Thesaurus
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Shubert, S.B.: Critical views of LCSH - ten years later : a bibliographic essay (1992)
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- Abstract
- Pauline Cochrane and Monika Kirtland's "Critical views of LCSH-Library of Congress Subject Headings: a bibliographic and bibliometric essay" published in 'Cataloging & classification quarterly 1(1982) S.71-93' has been widely cited as a source for discussion and complaints about LCSH. Cochrane and Kirtland cover the literature from 1944-1979. The present work provides a critique of the Cochrane/Kirtland study and a survey of the literature concerning the LCSHs during the 1980s. The classified bibliography is arranged according to the format of the Cochrane/Kirtland study to facilitate comparison. Criticism of LCSH reiterates the same points over and over again, whether it is sparseness, bias or currency of the subject headings. Significant trends which emerged in the 1980s include an increased emphasis on the use of LCSH as an online searching tool, concern for the syndetic structure of LCSH and the role of subdivisions, as well as repeated calls for the development of coherent standards to ensure LCSH evolves and is applied in a consistent manner
- Footnote
- Vgl. auch den Vorgänger: Kirtland, M., P.A. Cochrane: Critical views of LCSH - Library of Congress Subject Headings: a bibliographic and bibliometric essay. In: Cataloging and classification quarterly. 1(1982) no.2/3, S.71-93. und den Nachfolger: Fischer, K.S.: Critical views of LCSH, 1990-2001: the third bibliographic essay. In: Cataloging and classification quarterly. 41(2005) no.1, S.x-xx.