Search (46 results, page 2 of 3)

  • × theme_ss:"Kataloganreicherung"
  1. Tseng, Y.-H.: Automatic cataloguing and searching for retrospective data by use of OCR text (2001) 0.00 
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    Abstract
    This article describes our efforts in supporting information retrieval from OCR degraded text. In particular, we report our approach to an automatic cataloging and searching contest for books in multiple languages. In this contest, 500 books in English, German, French, and Italian published during the 1770s to 1970s are scanned into images and OCRed to digital text. The goal is to use only automatic ways to extract information for sophisticated searching. We adopted the vector space retrieval model, an n-gram indexing method, and a special weighting scheme to tackle this problem. Although the performance by this approach is slightly inferior to the best approach, which is mainly based on regular expression match, one advantage of our approach is that it is less language dependent and less layout sensitive, thus is readily applicable to other languages and document collections. Problems of OCR text retrieval for some Asian languages are also discussed in this article, and solutions are suggested
    Source
    Journal of the American Society for Information Science and technology. 52(2001) no.5, S.378-390
  2. Enhancing USMARC records with table of contents (1992) 0.00 
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    Abstract
    Considers methods of enriching bibliographic USMARC records for OPACs via a subject enhancement process involving the inclusion of subject information derived from the books' contents tables
  3. Diodato, V.P.: Author indexing (1981) 0.00 
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    Abstract
    Indexing terms supplied by authors can increase subject control of their documents. The terms can be used in the creation of indexes, abstracts, and other devices for information retrieval in the special library. An examination of the American Mathematical Society author indexing program suggests that contributions of authors enhance indexing efforts of editors
  4. Barnes, S.; McCue, J.: Linking library records to bibliographic databases : an analysis of common data elements in BIOSIS, Agricola, and the OPAC (1991) 0.00 
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    Abstract
    Myriad new information resources are available to contemporary library users. While print remains the foundation of most collections, libraries are also beginning to provide access to an array of bibliographic, numeric, and full-text databases. As more and more information is produced in electronic form and presented at computer workstations, the library catalog is being given an expanded role. The expanded catalog will play a crucial part in organizing information in electronic libraries, and in providing navigational assistance to library users. Like the traditional card catalog, the expanded catalog will not only lead to specific items or groups of sources, but also will provide connections to related materials. These connections will uses standard data elements to link the results of a search in one database with related material in another. For example, links will show local library holdings of sources in citation databases. Cornell University's Mann Library serves the College of Agriculture and Life Sciences, the College of Human Ecology, and the Division of Biological Sciences. As part of electronic library development, Mann staff have been analyzing issues involved in making it possible for Agricola and BIOSIS users to see, automatically, which of their retrieved citations are from sources available in the Cornell libraries. Samples of citations from Agricola and BIOSIS were drawn, and data elements present in these records were compared with bibliographic records of the library's holdings. In some cases, links would be provided by ISSNs. The study shows, however, that the presence of standard identifiers such as ISSN, USBN, or CODEN cannot be assumed, and other linking algorithms must be developed. This article presents study results, provides an overview of several linking systems, and identifies some of the difficulties caused by lack of standardization between different bibliographic databases. It is clear that the concept of an expanded catalog will require not only links between information resources but agreements among information professionals on standard data elements.
    Footnote
    Simultaneously published as Enhancing Access to Information: Designing Catalogs for the 21st Century
  5. Mandel, C.: Enriching the library catalog record for subject access (1985) 0.00 
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    Abstract
    This paper analyzes proposals for augmenting library bibliographic records for improved subject searching in online catalogs. Possible fields for enrichment are described and their likely value assessed. The assessment determines that the main value of enriched records would be to provide access to parts of books. The paper presents arguments for and against adding book content indexing to the online catalog and analyzes the feasibility of eleven alternatives for providing such information
  6. Ihadjadene, M.: ¬Les tables des matières dans les catalogues en ligne : opportunités, méthodes et couts (1998) 0.00 
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    Abstract
    Analysis of research to date on improving subject access by including contents tables in bibliographic records. Results indicate the need for clear methodology (criteria for selecting notoces for enrichment, manual and semi automated methods, cost). Evaluations, based on recall, precision and rate of circulation, indicate manifest benefits, especially in virtual libraries where information is superabundant; but enrichment is a complex process
  7. DeHart, F.E.; Matthews, K.: Subject enhancements and OPACs : planning ahead (1990) 0.00 
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    Abstract
    As librarians plan ahead to make subject enhancements available to online searchers in various possible file locations and formats, they may want to base their decisions on implications for online searching. This paper explores some of these implications with respect to unique and misleading terminology in tables of contents, Choice abstracts, and reviews from Computing reviews for thirty-six books on information and computer science chosen from the 1987 issues of Choice. It also discusses possible interacting functions in the search process served by these subject enhancements, assigned LCSH, and book title terminology
  8. Lepsky, K.: Automatische Indexierung zur Erschließung deutschsprachiger Dokumente (1999) 0.00 
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    Source
    nfd Information - Wissenschaft und Praxis. 50(1999) H.6, S.325-330
  9. Dwyer, J.: Bibliographic records enhancement : from the drawing board to the catalog screen (1991) 0.00 
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    Footnote
    Simultaneously published as Enhancing Access to Information: Designing Catalogs for the 21st Century
  10. Rädler, K.: Kataloganreicherung mit digitalen Inhaltsverzeichnissen eröffnet neue Geschäftsfelder : Erfahrungen aus der Vorarlberger Landesbibliothek (2008) 0.00 
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    Abstract
    Vom verflixten siebten Jahr kann man in Bregenz bisher nicht sprechen, im Gegenteil: Die Vorarlberger Landesbibliothek (VLB) hat kurz vor Ostern 2008 ihr 100.000. Inhaltsverzeichnis mit intelligentCAPTURE gescannt. Damit ist der Katalogeintrag von etwa 70 Prozent des betroffenen Freihandbestandes und sämtlicher Neuzugänge ab 2002 zusätzlich mit dem Inhaltsverzeichnis und zum Teil mit der Abbildung des Buchdeckels versehen. Die derzeitige Durchsatzrate beträgt pro Jahr 30.000 bibliographische Einheiten bei einem Personaleinsatz von 40 Stunden pro Woche. Die vollständige Erschließung des Buchbestandes in der Freihandaufstellung ist in Reichweite; ganz ohne Fördermittel im laufenden Betrieb; eine schlanke Lösung sowohl organisatorisch als auch finanziell. Da im Rahmen der Zusammenarbeit mit dandelon.com inzwischen weitere Bibliotheken in einem elegant gelösten Arbeitsablauf kooperativ erschließen, können wir bei Neuerscheinungen bereits die Hälfte als Fremddaten übernehmen. Die VLB hat mit der Digitalisierung, OCR-Konvertierung und maschinellen Indexierung von Inhaltsverzeichnissen und dem mehrsprachigen, semantischen Retrieval in der Suchmaschine dandelon.com zusammen mit der Firma AGI. Information Management Consultants Impulse im Bibliothekswesen gesetzt. Wer 2002 noch bezweifelte, dass dieser Ansatz erfolgreich sein wurde, wurde inzwischen eines Besseren belehrt. Zu offensichtlich ist der Mehrwert, den allein die Moglichkeit der entscheidend verbesserten Relevanzbeurteilung uber den OPAC bietet (http://vlb-katalog.vorarlberg.de). Er erfordert von einer zeitgemasen Bibliothek geradezu das Angebot solcher Zusatzinformationen. Aber die Anreicherung mit den Angaben aus den Inhaltsverzeichnissen bieten weit mehr, denn es entsteht durch die maschinelle Indexierung eine vollig neue Dimension an Retrievalmoglichkeiten. Die vollständige Erfassung unseres Bestandes war immer erklärtes Ziel unseres Projektes, weil wir gesehen haben, dass wir den Nutzern dadurch einen erheblichen Zusatznutzen bieten können, der in einem unbeschreiblich günstigen Verhältnis zum personellen und finanziellen Einsatz steht. Damit, dass wir dieses Ziel so schnell erreichen könnten, hatten wir nicht gerechnet.
    Source
    Information - Wissenschaft und Praxis. 59(2008) H.4, S.241-242
  11. Wormell, I.: Subject access redefinied : how new technology changes the conception of subject representation (1994) 0.00 
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    Abstract
    The paper examines the developmentss that have taken place during the last decade with respect to the provision of intellectual subject access in information databases storage. The principles of the SAP indexing methodology are outlined and exemplified, leading to a discussion of the consequences for the conception of the physical 'document' versus 'semantic entities' as the basic constructs for storage and multi-dimensional representation of subject matter. Finally, the paper analyzes the impact of very recent technologies which make achievable such access conceptions and mechanisms
  12. Wormell, I.: Indizacion SAP para la exploracion del amplio contexto tematico de libros y para el accesso a entidades semanticos mas pequenas (1994) 0.00 
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    Abstract
    Describes an approach to indexing which seeks to eliminate the shortcoming of the representation of information in existing bibliographic catalogues: Subject Access Project (SAP) indexing which has been used successfully at Lund University and elsewhere. Existing catalogue records have been enriched with terms selected from lists of contents and indexes in books thus facilitating access to specific parts of documents and smaller semantic entites such as chapter titles, subject titles and data in graphic or tabulated form available in a wide range of publications
  13. Syracuse, R.O.; Poyer, R.K.: Enhancing access to the library's collections : a view from an academy health center library (1991) 0.00 
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    Footnote
    Simultaneously published as Enhancing Access to Information: Designing Catalogs for the 21st Century
  14. Hauer, M.: Collaborative catalog enrichment : 4. Benutzertreffen intelligentCAPTURE / dandelon.com (2007) 0.00 
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    Content
    "AGI - Information Management Consultants (www.agi-imc.de) hatte am 8. und 9. Mai 2007 zum vierten Mal Bibliotheken und Partner zum Erfahrungsaustausch nach Neustadt an der Weinstraße eingeladen. Die angereisten Teilnehmer betreiben bereits mittels intelligentCAPTURE die Produktion und über dandelon.com den Austausch und die Publikation (www.dandelon.com). Mittlerweile wird intelligentCAPTURE in Deutschland, Österreich, Liechtenstein, Italien und in der Schweiz eingesetzt. Die PDF-Dateien gelangen über einen Partner bis zur weltgrößten Bibliothek, der Library of Congress in Washington. In Deutschland ist der GBV - Gemeinsamer Bibliotheksverband in Göttingen (www.gbv.de) Partner von AGI und der größte Sekundärnutzer von dandelon.com. In dandelon.com sind derzeit über 220.000 Bücher suchbar, die Datenbank wächst täglich. Weitere 62.000 Titel werden nach einem Software-Update demnächst geladen; sie stammen aus Projekten mit der Staats-und Universitätsbibliothek Hamburg und der TIB Hannover. Vergleichbare Scanprojekte laufen derzeit in einer Spezialbibliothek in Hamburg, der UB Braunschweig und UB Mainz. AGI geht von 400 bis 500.000 Buchtiteln bis Ende 2007 aus. Erstmals sahen die Teilnehmer "intelligentCAPTURE mobile". Eine Lösung, welche die Scanner selbst zwischen die engsten Regale fährt und somit erheblich den Transportaufwand reduziert - der Scanner wird zum Buch transportiert, nicht Tonnen von Büchern zu Scannern. Gemeinsam mit dem führenden Anbieter von Bibliothekseinrichtungen Schulz Speyer (www.schulzspeyer.de) wurde intelligentCAPTURE mobil gemacht.
    Bis zu 530 Bücherinhaltsverzeichnisse wurden bisher von einer Person an einem Tag damit produziert. Rund 1.000 Bücher pro Tag ist die durchschnittliche Menge bei einem Scanteam mit drei Scanstationen. Digitalisiert wird immer nur der urheberrechtsfreie bzw. durch Lizenzierung zulässige Bereich. Neben Büchern werden auch Zeitschriften ausgewertet. So sind z.B. die Aufsätze aus der Zeitschrift "IWP - Information. Wissenschaft und Praxis" der Deutschen Gesellschaft für Informationswissenschaft und Informationspraxis (http://www.dgi-info.de) komplett digital - und einige auch mit MP3Hördateien ergänzt. Anwendung finden seit 2006 die Lösungen von AGI auch in der Suche von Parlamentsmaterialien, also in der öffentlichen Verwaltung - konkret dem wirtschaftlich erfolgreichsten Bundesland Österreichs, Vorarlberg. Diese Leistung wird als Dienstleistung der Vorarlberger Landesbibliothek (http://vlb-katalog.vorarlberg.de) erbracht (www.vorarlberg.at/landtag/landtag/parlamentarischematerialien/recherche.htm)
    Das Highlight unter den Referaten bei dieser Tagung waren die Ausführungen des Vordenkers Andreas Prokoph, Lead Architect - Search Technologies and Portal Server Development, vom deutschen IBM Entwicklungslabor. Er sprach über Information Retrieval. Mit über 200 Patenten, darunter auch seinen eigenen, liegt IBM in diesem Forschungsfeld weit vorne. Die IBM Suchmaschine OMNIFIND soll möglichst bald die Suchtechnik hinter dandelon.com ersetzen und den Suchraum auf Kataloge, Open Archives, Verlage, Hochschul-Server ausdehnen. Schon heute basieren intelligentCAPTURE und dandelon.com weitgehend auf IBM-Technologien, konkret Lotus Notes & Domino und Lotus Sametime (www.ibm.corn/ lotus/hannover), aber auch auf integrierten Modulen anderer international führender Technologiespezialisten."
    Source
    Information - Wissenschaft und Praxis. 58(2007) H.5, S.311
  15. Cousins, S.A.: Enhancing subject access to OPACs : controlled vocabulary vs. natural language (1992) 0.00 
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    Abstract
    Experimental evidence suggests that enhancing the subject content of OPAC records can improve retrieval performance. This is based on the use of natural language index terms derived from the table of contents and back-of-the-book index of documents. The research reported here investigates the alternative approach of translating these natural language terms into controlled vocabulary. Subject queries were collected by interview at the catalogue, and indexing of the queries demonstrated the impressive ability of PRECIS, and to a lesser extent LCSH, to represent users' information needs. DDC performed poorly in this respect. The assumption was made that an index language adequately specific to represent users' queries should be adequate to represent document contents. Searches were carried out on three test databases, and both natural language and PRECIS enhancement of MARC records increased the number of relevant documents found, with PRECIS showing the better performance. However, with weak stemming the advantage of PRECIS was lost. Consideration must also be given to the potential advantages of controlled vocabulary, over and above basic retrieval performance measures
  16. Pienaar, R.E.: Enhancement of subject access in online public access catalogues (OPACs) (1989) 0.00 
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    Source
    South African journal of library and information science. 57(1989) no.4, S.378-382
  17. Diodato, V.: Tables of contents and book indexes : how well do they match readers' descriptions of books? (1986) 0.00 
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    Abstract
    The author collected information about tables of content and index terms in 125 books borrowed by patrons in a medium-sized academic library. To learn how useful the term would be as subject terms in a library catalog, he determined which of these terms were the same as the words used by the patrons to describe the books. For 72,4% of the books assigned LCSH, the patron's term matched the LCheading. The patron's term matched the table of contents term for (1,3% of the books with tables of contents. If the catalog had included terms from the tables of contents and the indexes in addition to the LCSH, the success rate would have been 97,3%. One problem in using terms from books in a library catalog is that many books lack indexes and/or tables of context
  18. Kartus, E.: ¬A fully automated cataloguing workbench with enhanced subject access : the cataloguer's dream or nightmare? (1993) 0.00 
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    Abstract
    Describes the Intelligent Literature Search Assistant (ILSA) which demonstrates the possibilities of a fully automated cataloguing workbench in an object orientated environment. Although developed with OPAC users in mind, it can be very useful to cataloguers in aiding both classification and subject heading access. Also describes work done at the University of Strathclyde in the area of machine learning and knowledge based systems, the Structured Information Management: Processing and Retrieval project (SIMPR). Advocates the use of uncontrolled vocabulary headings in conjunction with systems like ILSA, a layered approach rather than direct first point access, in order to make subject cataloguing easier and more relevant and the subject catalogue more useful to others
  19. Lam, V.-T.: Enhancing subject access to monographs in Online Public Access Catalogs : table of contents added to bibliographic records (2000) 0.00 
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    Imprint
    Urbana-Champaign, IL : Illinois University at Urbana-Champaign, Graduate School of Library and Information Science
  20. Großgarten, A.: ¬Das 180T-Projekt in Köln oder wie verarbeite ich 180.000 Bücher in vier Monaten : Eine erfolgreiche Kooperation des hbz, der USB Köln und der ZB MED (2005) 0.00 
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    Source
    Information - Wissenschaft und Praxis. 56(2005) H.8, S.444-456

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