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Broughton, V.: Classification and subject organization and retrieval (2007)
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- Date
- 31.12.2008 17:23:21
-
Broughton, V.: Essential thesaurus construction (2006)
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- Date
- 23. 6.2007 12:15:56
- Footnote
- Rez. in: Mitt. VÖB 60(2007) H.1, S.98-101 (O. Oberhauser): "Die Autorin von Essential thesaurus construction (and essential taxonomy construction, so der implizite Untertitel, vgl. S. 1) ist durch ihre Lehrtätigkeit an der bekannten School of Library, Archive and Information Studies des University College London und durch ihre bisherigen Publikationen auf den Gebieten (Facetten-)Klassifikation und Thesaurus fachlich einschlägig ausgewiesen. Nach Essential classification liegt nun ihr Thesaurus-Lehrbuch vor, mit rund 200 Seiten Text und knapp 100 Seiten Anhang ein handliches Werk, das seine Genese zum Grossteil dem Lehrbetrieb verdankt, wie auch dem kurzen Einleitungskapitel zu entnehmen ist. Das Buch ist der Schule von Jean Aitchison et al. verpflichtet und wendet sich an "the indexer" im weitesten Sinn, d.h. an alle Personen, die ein strukturiertes, kontrolliertes Fachvokabular für die Zwecke der sachlichen Erschliessung und Suche erstellen wollen bzw. müssen. Es möchte dieser Zielgruppe das nötige methodische Rüstzeug für eine solche Aufgabe vermitteln, was einschliesslich der Einleitung und der Schlussbemerkungen in zwanzig Kapiteln geschieht - eine ansprechende Strukturierung, die ein wohldosiertes Durcharbeiten möglich macht. Zu letzterem tragen auch die von der Autorin immer wieder gestellten Übungsaufgaben bei (Lösungen jeweils am Kapitelende). Zu Beginn der Darstellung wird der "information retrieval thesaurus" von dem (zumindest im angelsächsischen Raum) weit öfter mit dem Thesaurusbegriff assoziierten "reference thesaurus" abgegrenzt, einem nach begrifflicher Ähnlichkeit angeordneten Synonymenwörterbuch, das gerne als Mittel zur stilistischen Verbesserung beim Abfassen von (wissenschaftlichen) Arbeiten verwendet wird. Ohne noch ins Detail zu gehen, werden optische Erscheinungsform und Anwendungsgebiete von Thesauren vorgestellt, der Thesaurus als postkoordinierte Indexierungssprache erläutert und seine Nähe zu facettierten Klassifikationssystemen erwähnt. In der Folge stellt Broughton die systematisch organisierten Systeme (Klassifikation/ Taxonomie, Begriffs-/Themendiagramme, Ontologien) den alphabetisch angeordneten, wortbasierten (Schlagwortlisten, thesaurusartige Schlagwortsysteme und Thesauren im eigentlichen Sinn) gegenüber, was dem Leser weitere Einordnungshilfen schafft. Die Anwendungsmöglichkeiten von Thesauren als Mittel der Erschliessung (auch als Quelle für Metadatenangaben bei elektronischen bzw. Web-Dokumenten) und der Recherche (Suchformulierung, Anfrageerweiterung, Browsing und Navigieren) kommen ebenso zur Sprache wie die bei der Verwendung natürlichsprachiger Indexierungssysteme auftretenden Probleme. Mit Beispielen wird ausdrücklich auf die mehr oder weniger starke fachliche Spezialisierung der meisten dieser Vokabularien hingewiesen, wobei auch Informationsquellen über Thesauren (z.B. www.taxonomywarehouse.com) sowie Thesauren für nicht-textuelle Ressourcen kurz angerissen werden.
In den stärker ins Detail gehenden Kapiteln weist Broughton zunächst auf die Bedeutung des systematischen Teils eines Thesaurus neben dem alphabetischen Teil hin und erläutert dann die Elemente des letzteren, wobei neben den gängigen Thesaurusrelationen auch die Option der Ausstattung der Einträge mit Notationen eines Klassifikationssystems erwähnt wird. Die Thesaurusrelationen selbst werden später noch in einem weiteren Kapitel ausführlicher diskutiert, wobei etwa auch die polyhierarchische Beziehung thematisiert wird. Zwei Kapitel zur Vokabularkontrolle führen in Aspekte wie Behandlung von Synonymen, Vermeidung von Mehrdeutigkeit, Wahl der bevorzugten Terme sowie die Formen von Thesauruseinträgen ein (grammatische Form, Schreibweise, Zeichenvorrat, Singular/Plural, Komposita bzw. deren Zerlegung usw.). Insgesamt acht Kapitel - in der Abfolge mit den bisher erwähnten Abschnitten didaktisch geschickt vermischt - stehen unter dem Motto "Building a thesaurus". Kurz zusammengefasst, geht es dabei um folgende Tätigkeiten und Prozesse: - Sammlung des Vokabulars unter Nutzung entsprechender Quellen; - Termextraktion aus den Titeln von Dokumenten und Probleme hiebei; - Analyse des Vokabulars (Facettenmethode); - Einbau einer internen Struktur (Facetten und Sub-Facetten, Anordnung der Terme); - Erstellung einer hierarchischen Struktur und deren Repräsentation; - Zusammengesetzte Themen bzw. Begriffe (Facettenanordnung: filing order vs. citation order); - Konvertierung der taxonomischen Anordnung in ein alphabetisches Format (Auswahl der Vorzugsbegriffe, Identifizieren hierarchischer Beziehungen, verwandter Begriffe usw.); - Erzeugen der endgültigen Thesaurus-Einträge.
Diese Abschnitte sind verständlich geschrieben und trotz der mitunter gar nicht so einfachen Thematik auch für Einsteiger geeignet. Vorteilhaft ist sicherlich, dass die Autorin die Thesauruserstellung konsequent anhand eines einzelnen thematischen Beispiels demonstriert und dafür das Gebiet "animal welfare" gewählt hat, wohl nicht zuletzt auch deshalb, da die hier auftretenden Facetten und Beziehungen ohne allzu tiefgreifende fachwissenschaftliche Kenntnisse für die meisten Leser nachvollziehbar sind. Das methodische Gerüst der Facettenanalyse wird hier deutlich stärker betont als etwa in der (spärlichen) deutschsprachigen Thesaurusliteratur. Diese Vorgangsweise soll neben der Ordnungsbildung auch dazu verhelfen, die Zahl der Deskriptoren überschaubar zu halten und weniger auf komplexe (präkombinierte) Deskriptoren als auf postkoordinierte Indexierung zu setzen. Dafür wird im übrigen das als Verfeinerung der bekannten Ranganathanschen PMEST-Formel geltende Schema der 13 "fundamental categories" der UK Classification Research Group (CRG) vorgeschlagen bzw. in dem Beispiel verwendet (Thing / Kind / Part / Property; Material / Process / Operation; Patient / Product / By-product / Agent; Space; Time). Als "minor criticism" sei erwähnt, dass Broughton in ihrem Demonstrationsbeispiel als Notation für die erarbeitete Ordnung eine m.E. schwer lesbare Buchstabenfolge verwendet, obwohl sie zugesteht (S. 165), dass ein Zifferncode vielfach als einfacher handhabbar empfunden wird.
In einem abschliessenden Kapitel geht das Buch auf Thesauruspflege und -verwaltung ein, wobei auch das Thema "Thesaurussoftware" angerissen wird - letzteres vielleicht ein wenig zu kurz. Erst hier mag manchem unbefangenen Leser bewusst werden, dass die in den vorhergehenden Kapiteln dargestellte Methodik eigentlich ohne den Einsatz dezidierter Software besprochen wurde, ja vielleicht auch so besprochen werden musste, um ein entsprechendes Verständnis herzustellen. In der nachfolgenden zweiseitigen Conclusio wird erwähnt, dass die britische Norm Structured Vocabularies for Information Retrieval (BS 8723) vor einer Neufassung stehe - was den Rezensenten darauf hinzuweisen gemahnt, dass sich dieses Buch natürlich ausschliesslich auf den anglo-amerikanischen Sprachraum und die dort geltenden Thesaurus-Gepflogenheiten bezieht. Der relativ umfangreiche Anhang beinhaltet ausser Materialie zum erwähnten Demonstrationsbeispiel auch ein nützliches Glossarium sowie ein professionell gefertigtes Sachregister. Literaturhinweise werden - in sparsamer Dosierung - jeweils am Ende der einzelnen Kapitel gegeben, sodass sich die "Bibliography" am Ende des Buches auf einige Normen und zwei Standardwerke beschränken kann. Realistisch betrachtet, darf vermutlich nicht davon ausgegangen werden, dass Leser, die dieses Buch durchgearbeitet haben, sogleich in der Lage sein werden, eigenständig einen Thesaurus zu erstellen. Ein Lehrbuch allein kann weder einen Kurs noch die praktische Erfahrung ersetzen, die für eine solche Tätigkeit vonnöten sind. Ich kann mir aber gut vorstellen, dass die Kenntnis der in diesem Buch vermittelten Inhalte sehr wohl in die Lage versetzt, in einem Team, das einen Thesaurus erstellen soll, kompetent mitzuarbeiten, mit den Konzepten und Fachtermini zurechtzukommen und selbst konstruktive Beiträge zu leisten. Ausserdem erscheint mir das Werk hervorragend als Begleitmaterial zu einer Lehrveranstaltung geeignet - oder auch als Grundlage für die Planung einer solchen. Ein britischer Einführungstext eben, im besten Sinne."
- Theme
- Konzeption und Anwendung des Prinzips Thesaurus
-
Broughton, V.: Finding Bliss on the Web : some problems of representing faceted terminologies in digital environments
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- Source
- Paradigms and conceptual systems in knowledge organization: Proceedings of the Eleventh International ISKO conference, Rome, 23-26 February 2010, ed. Claudio Gnoli, Indeks, Frankfurt M
-
Broughton, V.; Lane, H.: ¬The Bliss Bibliographic Classification in action : moving from a special to a universal faceted classification via a digital platform (2004)
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- Date
- 17. 6.2015 14:36:23
-
Mills, J.; Broughton, V.: Bliss Bibliographic Classification : Introduction and auxiliary schedules (1992)
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- Isbn
- 0-408-70865-4
-
Broughton, V.: Essential classification (2004)
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- Footnote
- In Chapter 10, "Controlled indexing languages," Professor Broughton states that a classification scheme is truly a language "since it permits communication and the exchange of information" (p. 89), a Statement with which this reviewer wholly agrees. Chapter 11, however, "Word-based approaches to retrieval," moves us to a different field altogether, offering only a narrow view of the whole world of controlled indexing languages such as thesauri, and presenting disconnected discussions of alphabetical filing, form and structure of subject headings, modern developments in alphabetical subject indexing, etc. Chapters 12 and 13 focus an the Library of Congress Subject Headings (LCSH), without even a passing reference to existing subject headings lists in other languages (French RAMEAU, German SWK, etc.). If it is not surprising to see a section on subject headings in a book on classification, the two subjects being taught together in most library schools, the location of this section in the middle of this particular book is more difficult to understand. Chapter 14 brings the reader back to classification, for a discussion of essentials of classification scheme application. The following five chapters present in turn each one of the three major and currently used bibliographic classification schemes, in order of increasing complexity and difficulty of application. The Library of Congress Classification (LCC), the easiest to use, is covered in chapters 15 and 16. The Dewey Decimal Classification (DDC) deserves only a one-chapter treatment (Chapter 17), while the functionalities of the Universal Decimal Classification (UDC), which Professor Broughton knows extremely well, are described in chapters 18 and 19. Chapter 20 is a general discussion of faceted classification, on par with the first seven chapters for its theoretical content. Chapter 21, an interesting last chapter on managing classification, addresses down-to-earth matters such as the cost of classification, the need for re-classification, advantages and disadvantages of using print versions or e-versions of classification schemes, choice of classification scheme, general versus special scheme. But although the questions are interesting, the chapter provides only a very general overview of what appropriate answers might be. To facilitate reading and learning, summaries are strategically located at various places in the text, and always before switching to a related subject. Professor Broughton's choice of examples is always interesting, and sometimes even entertaining (see for example "Inside out: A brief history of underwear" (p. 71)). With many examples, however, and particularly those that appear in the five chapters an classification scheme applications, the novice reader would have benefited from more detailed explanations. On page 221, for example, "The history and social influence of the potato" results in this analysis of concepts: Potato - Sociology, and in the UDC class number: 635.21:316. What happened to the "history" aspect? Some examples are not very convincing: in Animals RT Reproduction and Art RT Reproduction (p. 102), the associative relationship is not appropriate as it is used to distinguish homographs and would do nothing to help either the indexer or the user at the retrieval stage.
- Isbn
- 1-85604-514-5
-
Broughton, V.: Essential Library of Congress Subject Headings (2009)
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- Abstract
- LCSH are increasingly seen as 'the' English language controlled vocabulary, despite their lack of a theoretical foundation, and their evident US bias. In mapping exercises between national subject heading lists, and in exercises in digital resource organization and management, LCSH are often chosen because of the lack of any other widely accepted English language standard for subject cataloguing. It is therefore important that the basic nature of LCSH, their advantages, and their limitations, are well understood both by LIS practitioners and those in the wider information community. Information professionals who attended library school before 1995 - and many more recent library school graduates - are unlikely to have had a formal introduction to LCSH. Paraprofessionals who undertake cataloguing are similarly unlikely to have enjoyed an induction to the broad principles of LCSH. There is currently no compact guide to LCSH written from a UK viewpoint, and this eminently practical text fills that gap. It features topics including: background and history of LCSH; subject heading lists; structure and display in LCSH; form of entry; application of LCSH; document analysis; main headings; topical, geographical and free-floating sub-divisions; building compound headings; name headings; headings for literature, art, music, history and law; and, LCSH in the online environment. There is a strong emphasis throughout on worked examples and practical exercises in the application of the scheme, and a full glossary of terms is supplied. No prior knowledge or experience of subject cataloguing is assumed. This is an indispensable guide to LCSH for practitioners and students alike from a well-known and popular author.
-
Broughton, V.; Lomas, E.: irreconcilable diversity or a unity of purpose? : Philosophical foundations for the organization of religious knowledge (2020)
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- Content
- DOI:10.5771/0943-7444-2020-5-372.
- Source
- Knowledge organization. 47(2020) no.5, S.372-392
-
Broughton, V.: Bliss Bibliographic Classification Second Edition (2009)
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- Date
- 5. 8.2010 17:33:43
-
Broughton, V.: Facet analysis : the evolution of an idea (2023)
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- Source
- Cataloging and classification quarterly. 61(2023) no.5-6, S.411-438
-
Broughton, V.: Automatic metadata generation : Digital resource description without human intervention (2007)
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- Date
- 22. 9.2007 15:41:14
-
Broughton, V.: Language related problems in the construction of faceted terminologies and their automatic management (2008)
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- Source
- Culture and identity in knowledge organization: Proceedings of the Tenth International ISKO Conference 5-8 August 2008, Montreal, Canada. Ed. by Clément Arsenault and Joseph T. Tennis
-
Broughton, V.: ¬The fall and rise of knowledge organization : new dimensions of subject description and retrieval (2010)
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- Source
- Aslib proceedings. 62(2010) nos.4/5, S.349-354
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Broughton, V.; Slavic, A.: Building a faceted classification for the humanities : principles and procedures (2007)
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- Source
- Journal of documentation. 63(2007) no.5, S.727-754
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Broughton, V.: Henry Evelyn Bliss : the other immortal or a prophet without honour? (2008)
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- Date
- 9. 2.1997 18:44:22
-
Broughton, V.: Notational expressivity : the case for and against the representation of internal subject structure in notational coding (1999)
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- Date
- 10. 8.2001 13:22:14
