-
Berry, M.W.; Browne, M.: Understanding search engines : mathematical modeling and text retrieval (1999)
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- Abstract
- This book discusses many of the key design issues for building search engines and emphazises the important role that applied mathematics can play in improving information retrieval. The authors discuss not only important data structures, algorithms, and software but also user-centered issues such as interfaces, manual indexing, and document preparation. They also present some of the current problems in information retrieval that many not be familiar to applied mathematicians and computer scientists and some of the driving computational methods (SVD, SDD) for automated conceptual indexing
- RSWK
- Suchmaschine / Information Retrieval
World Wide Web / Suchmaschine / Mathematisches Modell (BVB)
Suchmaschine / Information Retrieval / Mathematisches Modell (HEBIS)
- Subject
- Suchmaschine / Information Retrieval
World Wide Web / Suchmaschine / Mathematisches Modell (BVB)
Suchmaschine / Information Retrieval / Mathematisches Modell (HEBIS)
-
Stewart, I.: ¬Die Zahlen der Natur : Mathematik als Fenster zur Welt (1998)
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- RSWK
- Natur / Mathematisches Modell
- Subject
- Natur / Mathematisches Modell
-
Hammwöhner, R.: Automatischer Aufbau von Hypertext-Basen aus deskriptiv expositorischen Texten : ein Hypertext-Modell für das Information-Retrieval (1990)
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-
Roth, G.; Dicke, U.; Wiggers, W.: Wie das Gehirn eine Fliege erkennt (1999)
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- Abstract
- Amphibien verarbeiten Sinneseindrücke weitgehend ähnlich wie Säugetiere - ein unerwarteter Befund. Salamander und Frösche stellen das einfachste Modell dafür dar, wie ein Wirbeltier 'sieht' und das Wahrgenommene für eine Verhaltensreaktion 'verrechnet'
- Date
- 31.12.1996 19:29:41
22. 7.2000 19:04:41
- Theme
- Information
-
Baumgarten, C.: Probabilistische Modellierung der effizienten Informationssuche in verteilten multimedialen Dokumentbeständen durch Einschränkung des Suchraums (1997)
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- Abstract
- Ein Modell für die Informationssuche in einer verteilten Multimedia-Dokumentkollektion wird vorgestellt. Das Modell basiert auf dem probabilistischen Anordnungsprinzip. NAch der Berechnung individueller Ranglisten zu den einzelnen Subkollektionen werden diese schrittweise in eine finale Rangliste überführt, in der die Dokumente gemäß ihrer Relevanzwahrscheinlichkeiten geordnet sind. Dabei können die Dokumente (bzw. Dokumentpassagen, falls es sich um multimediale Dokumente handelt) aus verschiedenen Subkollektionen mit verschiedenen Verfahren indexiert werden. Auch lassen sich unterschiedliche probabilistische Verfahren zur Berechnung der subkollektionsspezifischen Ranglisten einsetzen. Damit wird die Integration von Dokumenten beliebigen Typs unterstützt. Übredies ist das zugrundeliegende Datenvolumen beliebig skalierbar. Das Modell wird durch ein Kriterium zur Einschränkung des Suchraums erweitert, um die effiziente Informationssuche zu ermöglichen. Dabei werden verschiedene Kostenfaktoren berücksichtigt
- Source
- Hypertext - Information Retrieval - Multimedia '97: Theorien, Modelle und Implementierungen integrierter elektronischer Informationssysteme. Proceedings HIM '97. Hrsg.: N. Fuhr u.a
-
Experimentelles und praktisches Information Retrieval : Festschrift für Gerhard Lustig (1992)
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- Content
- Enthält die Beiträge: SALTON, G.: Effective text understanding in information retrieval; KRAUSE, J.: Intelligentes Information retrieval; FUHR, N.: Konzepte zur Gestaltung zukünftiger Information-Retrieval-Systeme; HÜTHER, H.: Überlegungen zu einem mathematischen Modell für die Type-Token-, die Grundform-Token und die Grundform-Type-Relation; KNORZ, G.: Automatische Generierung inferentieller Links in und zwischen Hyperdokumenten; KONRAD, E.: Zur Effektivitätsbewertung von Information-Retrieval-Systemen; HENRICHS, N.: Retrievalunterstützung durch automatisch generierte Wortfelder; LÜCK, W., W. RITTBERGER u. M. SCHWANTNER: Der Einsatz des Automatischen Indexierungs- und Retrieval-System (AIR) im Fachinformationszentrum Karlsruhe; REIMER, U.: Verfahren der Automatischen Indexierung. Benötigtes Vorwissen und Ansätze zu seiner automatischen Akquisition: Ein Überblick; ENDRES-NIGGEMEYER, B.: Dokumentrepräsentation: Ein individuelles prozedurales Modell des Abstracting, des Indexierens und Klassifizierens; SEELBACH, D.: Zur Entwicklung von zwei- und mehrsprachigen lexikalischen Datenbanken und Terminologiedatenbanken; ZIMMERMANN, H.: Der Einfluß der Sprachbarrieren in Europa und Möglichkeiten zu ihrer Minderung; LENDERS, W.: Wörter zwischen Welt und Wissen; PANYR, J.: Frames, Thesauri und automatische Klassifikation (Clusteranalyse): HAHN, U.: Forschungsstrategien und Erkenntnisinteressen in der anwendungsorientierten automatischen Sprachverarbeitung. Überlegungen zu einer ingenieurorientierten Computerlinguistik; KUHLEN, R.: Hypertext und Information Retrieval - mehr als Browsing und Suche.
-
Verdi, M.P.; Kulhavy, R.W.; Stock, W.A.; Rittscho, K.A.; Savenye, W.: Why maps improve memory for text : the influence of structural information on working-memory operations (1993)
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- Abstract
- In order to test how associated verbal and spatial stimuli are processed in memory, undergraduates studied a reference map as either an intact unit or as a series of individual features, and read a text containing facts related to map features. In Addition, the map was presented either before or after reading the text. Seeing the intact map prior to the text led to better recall of both map information and facts from the text. These results support a dual coding modell, where stimuli such as maps possess a retrieval advantage because they allow simultaneous representation in working memory. This advantage occurs because information from the map can be used to cue retrieval of associated verbal facts, without exceeding the processing constraints of the memorial system
- Date
- 22. 7.2000 19:18:18
- Theme
- Information
-
Dechsling, R.: Nobody is perfect : die ideale CD-ROM-Retrieval-Software für alle Textsorten gibt es nicht (1994)
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- Abstract
- Die elektronische Fachinformation bestand bislang vorwiegend aus klassisichen datenbanken. Mittlerweile zeichnet sich hier jedoch ein Wandel ab, der vor allem durch CD-ROM-publizierende Fachverlage getragen wird. Neben das auf dem Online-Markt dominierende Modell der klassischen Datenbank treten neue Formen der elektronischen Textvermittlung. Dieser Beitrag versucht eine Typologie der textuellen Information. Erwägungen zur korrespondierenden Abfragesoftware speziell im CD-ROM-Bereich und ein Asublick auf die nähere Zukunft sollen den Anbietern elektronischer Fachinformation als Entscheidungshilfe dienen
-
Glasersfeld, E. von: Piagets konstruktivistisches Modell : Wissen und Lernen (1994)
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- Theme
- Information
-
Krämer, S.: Künstliche Intelligenz : der Aufstieg des Computers zum Modellbaukasten des Geistes (1994)
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- Abstract
- Die Interpreten Künstlicher Intelligenz sind konfrontiert mit einem Paradoxon. Die praktischen Wirkungen Künstlicher Intelligenz sind minimal. Doch theoretisch betrachtet entfaltet die Künstliche Intelligenz eine ungebrochene Attraktivität und füllt die Feuilleton-Seiten ebenso zugkräftig wie die philosophischen Seminare. Die Künstliche Intelligenz - diese Schlußfolgerung drängt sich auf - wirkt weniger als eine Technik, sondern als eine Idee. Nicht ihre faktische Ingenieurleistung zählt, sondern das ihr zugrundeliegende Modell vom Geist
- Source
- Information Philosophie. 22(1994) H.2, S.16-28
- Theme
- Information
-
Nöther, I.: Modell einer Konkordanz-Klassifikation für systematische Kataloge : T.1-2 (1994)
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- Abstract
- Der Beitrag besteht aus 2 Teilen. Im ersten wird das Modell einer Konkordanz-Klassifikation idealtypisch vorgestellt, im zweiten wird unter einige bekannten Klassifikation diejenige ausgesucht, die als Konkordanz-Klassifikation am geeignetsten erscheint. Die Erarbeitung einer neuen Konkordanz-Klassifikation - etwa als Variante zur gescheiterten Einheitsklassifikation - wird gar nicht erst in Erwägung gezogen, da ein solches Vorhaben derzeit wohl kaum zu realisieren sein dürfte. Der Beitrag endet mit der Vorstellung eines DBI-Projekts, in dem das hier beschriebene Modell einer Konkordanz-Klassifikation für einige Fachgebiete praxisnah erprobt werden soll
- Footnote
- Vgl. auch die Fortsetzung: Nöther, I.: Zurück zur Klassifikation! Modell einer internationalen Konkordanz-Klassifikation. In: Klassifikationen für wissenschaftliche Bibliotheken: Analysen, Empfehlungen, Modelle. Berlin: Dbi 1998. S.103-325 (Dbi-Materialien; 175)
- Source
- Bibliotheksdienst. 29(1994) H.1, S.15-33; H.2, S.175-187
-
Hypertext and information retrieval : [Themenheft] (1993)
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- Source
- Information processing and management. 29(1993), no.3
-
Rudolph, S.; Hemmje, M.: Visualisierung von Thesauri zur interaktiven Unterstüzung von visuellen Anfragen an Textdatenbanken (1994)
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- Abstract
- In der folgenden Studie wird eine Komponente für eine visuelle Benutzerschnittstelle zu Textdatenbanken entworfen. Mit Hilfe einer Terminologievisualisierung wird dem Benutzer eine Hilfestellung bei der Relevanzbewertung von Dokumenten und bei der Erweiterung seiner visuellen Anfrage an das Retrieval-System gegeben. Dazu werden zuerst die grundlegenden Information-Retrieval-Modelle eingehender vorgestellt, d.h., generelle Retrieval-Modelle, Retrievaloperationen und spezielle Retrieval-Modelle wie Text-Retrieval werden erläutert. Die Funktionalität eines Text-Retrieval-Systems wird vorgestellt. Darüber hinaus werden bereits existierende Implementierungen visueller Information-Retrieval-Benutzerschnittstellen vorgestellt. Im weiteren Verlauf der Arbeit werden mögliche Visualisierungen der mit Hilfe eines Text-Retrieval-Systems gefundenen Dokumente aufgezeigt. Es werden mehrere Vorschläge zur Visualisierung von Thesauri diskutiert. Es wird gezeigt, wie neuronale Netze zur Kartierung eines Eingabebereiches benutzt werden können. Klassifikationsebenen einer objekt-orientierten Annäherung eines Information-Retrieval-Systems werden vorgestellt. In diesem Zusammenhang werden auch die Eigenschaften von Thesauri sowie die Architektur und Funktion eines Parsersystems erläutert. Mit diesen Voraussetzung wird die Implementierung einer visuellen Terminologierunterstützung realisiert. Abschließend wird ein Fazit zur vorgestellten Realisierung basierend auf einem Drei-Schichten-Modell von [Agosti et al. 1990] gezogen.
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Lügger, J.: Mathematisches Publizieren und die elektronische Welt (1994)
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-
Schäuble, P.: Informationssuche im Umbruch (1995)
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- Abstract
- Manuelles Blättern im Zettelkasten hat vielfach ausgedient. Konventionelle Dokumentationsmethodem werden mehr und mehr dutch modernen Methoden des Information Retrieval (IR) ersetzt. Doch auch im Umgang mit Datenbanken sind Benutzer kritischer geworden. Sie fragen immer öfter, wieviel der gewünschten Information nicht gefunden wurde, obwohl sie im Informationssystem gespeichert ist
- Date
- 29. 3.1996 15:22:50
- Source
- Magazin der Universität Zürich. 1995, Nr.3, S.27-29
-
Kuhlthau, C.C.: Impact of the information search process model on library services (1994)
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- Abstract
- The author comments on the impacts of her research, into the information search process modell, on the understanding of how library users behave in extended research projects
-
Völz, H.: Information kein Objekt, sondern ein Modell?!, wie auch Energie und Stoff (1998)
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- Theme
- Information
-
Wolff, C.: Graphisches Faktenretrieval mit Liniendiagrammen : Gestaltung und Evaluierung eines experimentellen Rechercheverfahrens auf der Grundlage kognitiver Theorien der Graphenwahrnehmung (1996)
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- Abstract
- Das vorliegende Buch befaßt sich mit der theoretischen Begründung, Gestaltung und empirischen Bewertung eines Datenbankzugangs durch graphisches Retrieval. Der Autor stellt das Informationssystem Wing-Graph vor, das am Beispiel Werkstoffdaten die Veränderung von Liniendiagrammen durch graphische Aktionen in der benutzeroberfläche zur Recherche nach numerischer Information erlaubt. Darunter ist eine graphische Recherchesprache zu verstehen, mit der man visuelles Denken direkt für die Suche nutzen kann. Der Autor entwickelt auf der Basis kognitionspsychologischer Erkenntnisse über Wahrnehmung und Interpretation von Informationsgraphiken ein Modell des graphischen Retrieval, in dem 3 wichtige Aspekte der Interaktion mit graphischer Information vereinigt sind: die visuelle Vorstellungsfähigkeit, der Handlungsaspekt der Mensch-Maschine-Interaktion und die Systemfunktionalität einer graphischen Datenbankschnittstelle. Im Vergleich mit traditionellen Abfragesprachen stehen in Wing-Graph einfache, aber leistungsfähige graphische Operationen zur Verfügung, die das visuelle Denken des Benutzers operationalisieren. Die Generalisierbarkeit des Ansatzes für andere Domänen wird untersucht und in exemplarischer Weise an Wirtschaftsdaten überprüft
-
Ellis, D.: Progress and problems in information retrieval (1996)
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- Abstract
- An introduction to the principal generic approaches to information retrieval research with their associated concepts, models and systems, this text is designed to keep the information professional up to date with the major themes and developments that have preoccupied researchers in recent month in relation to textual and documentary retrieval systems.
- COMPASS
- Information retrieval
- Content
- First published 1991 as New horizons in information retrieval
- Date
- 26. 7.2002 20:22:46
- Footnote
- Rez. in: Managing information 3(1996) no.10, S.49 (D. Bawden); Program 32(1998) no.2, S.190-192 (C. Revie)
- LCSH
- Information retrieval
- Subject
- Information retrieval
Information retrieval
-
Seel, N.M.: Weltwissen und mentale Modelle (1992)
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- LCSH
- Human information processing
- RSWK
- Subjektive Theorie / Modell / Wissensrepräsentation
Wissensrepräsentation / Modell (BVB)
- Subject
- Subjektive Theorie / Modell / Wissensrepräsentation
Wissensrepräsentation / Modell (BVB)
Human information processing
- Theme
- Information
