Search (181 results, page 2 of 10)

  • × type_ss:"el"
  • × year_i:[1990 TO 2000}
  1. Lieferbare CD-ROMs : CD-ROM, CD-I, Multimedia (1995) 0.00 
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    Isbn
    3-930647-03-6 (Buch + CD-ROM ohne update) * ISBN 3-930647-04-4 (Buch + CD-ROM mit 3 updates)
  2. GERHARD : eine Spezialsuchmaschine für die Wissenschaft (1998) 0.00 
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    Theme
    Automatisches Klassifizieren
  3. Electronic Dewey (1993) 0.00 
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    Abstract
    The CD-ROM version of the 20th DDC ed., featuring advanced online search and windowing techniques, full-text indexing, personal notepad, LC subject headings linked to DDC numbers and a database of all DDC changes
    Footnote
    Rez. in: Cataloging and classification quarterly 19(1994) no.1, S.134-137 (M. Carpenter). - Inzwischen existiert auch eine Windows-Version: 'Electronic Dewey for Windows', vgl. Knowledge organization 22(1995) no.1, S.17
  4. Dokumentationsdienst Bibliothekswesen: DOBI : Informationsdienst zum Bibliothekswesen der Bundesrepublik Deutschland und des Auslandes (1996-) 0.00 
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    Abstract
    Die Diskettenausgabe kumuliert laufend die Nachweise der Druckausgabe des Fachreferatedienstes DOBI ab Jg.10(1993). Die erste Lieferung enthält über 11.000 Nachweise (auf 4 Disketten), ca. 3.000 kommen jährlich hinzu. Bei ca. 2/3 der Einträge handelt es sich um Nachweise deutscher Literatur, die im Auswertungsspektrum der internationalen Referateblätter zum Bibliotheks- und Informationswesen nur in geringem Umfang vertreten ist. Durch die Auswahl ausländischer Literatur dokumentiert DOBI für die deutsche Fachöffentlichkeit wesentliche Entwicklungen im Ausland sowie internationale Aktivitäten
  5. Dolin, R.; Agrawal, D.; El Abbadi, A.; Pearlman, J.: Using automated classification for summarizing and selecting heterogeneous information sources (1998) 0.00 
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    Abstract
    Information retrieval over the Internet increasingly requires the filtering of thousands of heterogeneous information sources. Important sources of information include not only traditional databases with structured data and queries, but also increasing numbers of non-traditional, semi- or unstructured collections such as Web sites, FTP archives, etc. As the number and variability of sources increases, new ways of automatically summarizing, discovering, and selecting collections relevant to a user's query are needed. One such method involves the use of classification schemes, such as the Library of Congress Classification (LCC), within which a collection may be represented based on its content, irrespective of the structure of the actual data or documents. For such a system to be useful in a large-scale distributed environment, it must be easy to use for both collection managers and users. As a result, it must be possible to classify documents automatically within a classification scheme. Furthermore, there must be a straightforward and intuitive interface with which the user may use the scheme to assist in information retrieval (IR). Our work with the Alexandria Digital Library (ADL) Project focuses on geo-referenced information, whether text, maps, aerial photographs, or satellite images. As a result, we have emphasized techniques which work with both text and non-text, such as combined textual and graphical queries, multi-dimensional indexing, and IR methods which are not solely dependent on words or phrases. Part of this work involves locating relevant online sources of information. In particular, we have designed and are currently testing aspects of an architecture, Pharos, which we believe will scale up to 1.000.000 heterogeneous sources. Pharos accommodates heterogeneity in content and format, both among multiple sources as well as within a single source. That is, we consider sources to include Web sites, FTP archives, newsgroups, and full digital libraries; all of these systems can include a wide variety of content and multimedia data formats. Pharos is based on the use of hierarchical classification schemes. These include not only well-known 'subject' (or 'concept') based schemes such as the Dewey Decimal System and the LCC, but also, for example, geographic classifications, which might be constructed as layers of smaller and smaller hierarchical longitude/latitude boxes. Pharos is designed to work with sophisticated queries which utilize subjects, geographical locations, temporal specifications, and other types of information domains. The Pharos architecture requires that hierarchically structured collection metadata be extracted so that it can be partitioned in such a way as to greatly enhance scalability. Automated classification is important to Pharos because it allows information sources to extract the requisite collection metadata automatically that must be distributed.
    We are currently experimenting with newsgroups as collections. We have built an initial prototype which automatically classifies and summarizes newsgroups within the LCC. (The prototype can be tested below, and more details may be found at http://pharos.alexandria.ucsb.edu/). The prototype uses electronic library catalog records as a `training set' and Latent Semantic Indexing (LSI) for IR. We use the training set to build a rich set of classification terminology, and associate these terms with the relevant categories in the LCC. This association between terms and classification categories allows us to relate users' queries to nodes in the LCC so that users can select appropriate query categories. Newsgroups are similarly associated with classification categories. Pharos then matches the categories selected by users to relevant newsgroups. In principle, this approach allows users to exclude newsgroups that might have been selected based on an unintended meaning of a query term, and to include newsgroups with relevant content even though the exact query terms may not have been used. This work is extensible to other types of classification, including geographical, temporal, and image feature. Before discussing the methodology of the collection summarization and selection, we first present an online demonstration below. The demonstration is not intended to be a complete end-user interface. Rather, it is intended merely to offer a view of the process to suggest the "look and feel" of the prototype. The demo works as follows. First supply it with a few keywords of interest. The system will then use those terms to try to return to you the most relevant subject categories within the LCC. Assuming that the system recognizes any of your terms (it has over 400,000 terms indexed), it will give you a list of 15 LCC categories sorted by relevancy ranking. From there, you have two choices. The first choice, by clicking on the "News" links, is to get a list of newsgroups which the system has identified as relevant to the LCC category you select. The other choice, by clicking on the LCC ID links, is to enter the LCC hierarchy starting at the category of your choice and navigate the tree until you locate the best category for your query. From there, again, you can get a list of newsgroups by clicking on the "News" links. After having shown this demonstration to many people, we would like to suggest that you first give it easier examples before trying to break it. For example, "prostate cancer" (discussed below), "remote sensing", "investment banking", and "gershwin" all work reasonably well.
    Theme
    Automatisches Klassifizieren
  6. Guinness Multimedia CD-ROM der Rekorde 1997 : die ganze Welt der Superlative (1996) 0.00 
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    Object
    Guinness Buch der Rekorde
  7. Wätjen, H.-J.; Diekmann, B.; Möller, G.; Carstensen, K.-U.: Bericht zum DFG-Projekt: GERHARD : German Harvest Automated Retrieval and Directory (1998) 0.00 
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    Theme
    Automatisches Klassifizieren
  8. Shafer, K.E.: Evaluating Scorpion results (1998) 0.00 
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    Theme
    Automatisches Klassifizieren
  9. Vögel unserer Heimat (1999) 0.00 
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    Content
    300 Fotos heimischer Vögel; Textinformationen; 80 Vogelstimmen; Videoaufnahmen über Nestbau, Fütterung und Raubflug
    Date
    7.11.1999 18:22:54
  10. Jahrbuch der Auktionspreise für Bücher, Handschriften und Autographen : Ergebnisse der Auktionen in Deutschland, den Niederlanden, Österreich und der Schweiz. Mit einem Anhang: Spezialgebiete der Antiquariate (1992) 0.00 
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    Content
    Beschreibt 31.000 Bücher, Handschriften und Autographen aus 50 Auktionen
    Date
    13. 3.1996 21:22:40
  11. Woods, E.W.; IFLA Section on classification and Indexing and Indexing and Information Technology; Joint Working Group on a Classification Format: Requirements for a format of classification data : Final report, July 1996 (1996) 0.00 
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  12. Handbuch lieferbarer CD-ROMs : CD-ROM, CD-I, Multimedia (1995) 0.00 
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    Isbn
    3-930647-03-6 (Buch + CD-ROM ohne update) * ISBN 3-930647-04-4 (Buch + CD-ROM mit 3 updates)
  13. Infopedia : the ultimate multimedia encyclopedia and reference library (1995) 0.00 
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    Abstract
    Ein neuer Meilenstein unter den elektronischen Nachschlagewerken. Insgesamt 200.000 Stichwörter, basierend auf der 29 bändigen Funk & Wagnalls New Encyclopedia und 7 weiterer amerikanischer Nachschlagewerke. Die Oberfläche setzt an Übersichtlichkeit und Schnelligkeit neue Maßstäbe
  14. Bookscape (1996) 0.00 
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    Date
    16. 7.1996 18:29:21
    Footnote
    Vgl. zur Oberfläche und zu der Art der Suchmöglichkeiten: auch http://www.amazon.com. - Rez. in: Mitteilungen VÖB 49(1996) H.2, S.136-139 (M. Wieser, A. Jahn)
  15. Normdaten-CD-ROM für Personennamen und Schlagwörter (1996) 0.00 
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    Date
    13. 9.1996 15:42:29
  16. Probst, S.; Flaxa, R.: Power LINUX für Durchstarter : LINUX 2.0 - LST-Distribution 2.2 (1997) 0.00 
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    Footnote
    Dazu Buch: Hantelmann, F.: LINUX für Durchstarter
  17. Place, E.: Internationale Zusammenarbeit bei Internet Subject Gateways (1999) 0.00 
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    Abstract
    Eine ganze Anzahl von Bibliotheken in Europa befaßt sich mit der Entwicklung von Internet Subject Gateways - einer Serviceleistung, die den Nutzern helfen soll, qualitativ hochwertige Internetquellen zu finden. Subject Gateways wie SOSIG (The Social Science Information Gateway) sind bereits seit einigen Jahren im Internet verfügbar und stellen eine Alternative zu Internet-Suchmaschinen wie AltaVista und Verzeichnissen wie Yahoo dar. Bezeichnenderweise stützen sich Subject Gateways auf die Fertigkeiten, Verfahrensweisen und Standards der internationalen Bibliothekswelt und wenden diese auf Informationen aus dem Internet an. Dieses Referat will daher betonen, daß Bibliothekare/innen idealerweise eine vorherrschende Rolle im Aufbau von Suchservices für Internetquellen spielen und daß Information Gateways eine Möglichkeit dafür darstellen. Es wird einige der Subject Gateway-Initiativen in Europa umreißen und die Werkzeuge und Technologien beschreiben, die vom Projekt DESIRE entwickelt wurden, um die Entwicklung neuer Gateways in anderen Ländern zu unterstützen. Es wird auch erörtert, wie IMesh, eine Gruppe für Gateways aus der ganzen Welt eine internationale Strategie für Gateways anstrebt und versucht, Standards zur Umsetzung dieses Projekts zu entwickeln
    Date
    22. 6.2002 19:35:09
  18. Page, L.; Brin, S.; Motwani, R.; Winograd, T.: ¬The PageRank citation ranking : Bringing order to the Web (1999) 0.00 
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    Theme
    Citation indexing
  19. Lusti, M.: Data Warehousing and Data Mining : Eine Einführung in entscheidungsunterstützende Systeme (1999) 0.00 
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    Abstract
    Im Mittelpunkt dieses anwendungsbezogenen Lehrbuchs stehen Architekturen, Methoden und Werkzeuge entscheidungsunterstützender Systeme. Beispiele und Aufgaben ermöglichen die Entwicklung von Anwendungen mit der Demonstrationssoftware der CD-ROM. Eine interaktive Foliensammlung veranschaulicht den Buchtext und verweist auf zusätzliches Lernmaterial
    Date
    17. 7.2002 19:22:06
  20. Jahrbuch der Auktionspreise für Bücher, Handschriften und Autographen (JAP) : Computerdatei (1997) 0.00 
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    Date
    13. 3.1996 21:22:40

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