-
Petras, V.; Bank, M.: Vergleich der Suchmaschinen AltaVista und HotBot bezüglich Treffermengen und Aktualität (1998)
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- Abstract
- Im April 1988 veröffentlichten Giles und Lawrence einen Artikel in Science über die Abdeckung des WWW durch die wichtigsten Suchmaschinen. Darin kamen sie zu dem Ergebnis, daß HotBot mit 34% mehr Webseiten abdeckt als AltaVista mit 28%. Dies deckt sich weder mit den Größenangaben der Suchmaschinen selbst noch mit den bisherigen Erfahrungen der Autoren. Ziel der vorliegenden Untersuchung ist es, die Treffermengen der beiden System in Bezug auf ausgewählte Suchfragen und ihr Verhalten bei zeitlicher einschränkung der Recherche zu vergleichen
- Source
- nfd Information - Wissenschaft und Praxis. 49(1998) H.8, S.453-458
-
Becker, F.: Internet-Suchmaschinen : Funktionsweise und Beurteilung (1999)
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- Abstract
- Nach einer kurzen Darstellung der Entwicklung der Suchdienste wird das Suchretrieval von AltaVista näher beschrieben. Es werden Kriterien für die Beurteilung der Suchdienste festgelegt. Danach folgt die Beschreibung der Möglichkeiten der einzelnen Suchdienste und ihre Beurteilung. Zum Schluß wird über die Auswahl eines Suchdienstes diskutiert.
- Date
- 22. 3.2008 14:04:11
- Footnote
- Überarbeitete Ausgabe der Diplomarbeit im Studiengang Öffentliche Bibliotheken bei der Fachhochschule Stuttgart, Hochschule für Bibliotheks- und Informationswesen.
- Source
- Bibliothek: Forschung und Praxis. 23(1999) H.2, S.205-211
-
Charlier, M.: Netgeschichten: http://sexygirls.com (1997)
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- Abstract
- Mit einer kurzen Geschichte der Entwicklung von Yahoo durch Jerry Yang und David Filo.
-
Rensman, J.: Blick ins Getriebe (1999)
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- Abstract
- Der Internet-Surfer bekommt nur die Eingabeaufforderung und das Suchergebnis zu sehen. Hinter der Maske einer Suchmaschine laufen jedoch komplizierte Mechanismen ab
- Date
- 22. 8.1999 21:22:59
-
Oehler, A.: Analyse von Suchdiensten im Internet : Kriterien und Probleme (1998)
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- Abstract
- Die enorme Menge an im Internet verfügbaren Daten und die gleichzeitig fehlende Möglichkeit einer zentralen Koordination der Inhalte haben dazu geführt, daß zahlreiche Dienste für die Suche und den Nachweis von Internetressourcen (im folgenden Suchdienste genannt) entstanden sind. Gegenwärtig existieren Hunderte von Suchdiensten mit großen Unterschieden in der Arbeitsweise, dem Umfang und den angebotenen Funktionalitäten. Die Zahl der großen, globalen Suchdienste ist zwar in den letzten Jahren relativ konstant geblieben, doch sind gerade diese Dienste durch ständige Veränderungen gekennzeichnet. Sie bieten immer mehr Retrievalfunktionen an und erweitern den Umfang an Zusatzangeboten, die über die reine Suche in einer Datenbank hinausgehen, ständig. Dies führt dazu, daß Informationssuchende Schwierigkeiten bei der Auswahl der für ihre Fragestellung passenden Dienste haben. Besonders gelegentlichen Nutzern von Internet-Suchdiensten fällt es schwer, sich einen Überblick zu verschaffen und Dienste differenziert zu einzusetzen
- Series
- Fortschritte in der Wissensorganisation; Bd.5
- Source
- Herausforderungen an die Wissensorganisation: Visualisierung, multimediale Dokumente, Internetstrukturen. 5. Tagung der Deutschen Sektion der Internationalen Gesellschaft für Wissensorganisation Berlin, 07.-10. Oktober 1997. Hrsg.: H. Czap u.a
-
Loeper, D. von: Sherlock Holmes im Netz (1997)
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- Abstract
- Der deutsche Konkurrent, der Lieferant in Fernost oder der neue Partner für Nordamerika - sie alle sind vielleicht schon im Internet vertreten. Das Wissen um ihre Existenz und die Kenntnis ihrer Internet-Adresse ist wichtig, vielleicht sogar entscheidend im Wettbewerb. Aber wie finden?
- Date
- 22. 2.1997 19:50:29
-
Fichtner, M.: Im Land der Raketenwürmer (1997)
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- Abstract
- Sie rasen wie gestört durchs Netz, klicken aus alles, was sich bewegt, merken sich jeden noch so unwichtigen Blödsinn - und sind damit zum wichtigsten und zugleich umstrittensten Stückchen Software im Internet geworden: die sog. Crawlers, Robots, Spiders, Worms und Ants
- Content
- Beitrag zu den verschiedenen search engines des Internet mit Erläuterung der 'META-Tags' im HEAD-Bereich von HTML-Dokumenten: <META name="description" content="..."> ("..." nicht länger als 200 Zeichen) und <META name="keywords" content="..."> ("..." als Komma separierte Stichwortliste, die nicht länger als 1000 Zeichen sein soll)
-
Rusch-Feja, D.: Informationsvermittlung, Informationsretrieval und Informationsqualität im Internet (1996)
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- Abstract
- Eingangs werden einige Aspekte des Informationsretrievals im Internet hinsichtlich der Suche nach Informationen behandelt, bei denen die Art der Information die Suchmethode bestimmt. Die Suche nach themenorietierten Fachinformationen im Internet wird anschließend in ihrer besonderen Problematik vorgestellt, zusammen mit der Nutzung verschiedener Suchmethoden, Arten von Quellen und Suchhilfen. Außerdem wird die Handhabung von Suchmechanismen und -strukturen im Internet inklusive Suchinstrumenten wie Search engines erläutert. Nach einer kurzen Diskussion der Problematik der Informationsfilterung für den Nutzer bzw. der Erstellung bleibender Suchhilfen, wie Clearinghouses und ähnlichen Meta-Informationsstrukturen, soll anschließend auf die Qualität der Informationsressourcen im Internet eingegangen werden. Die gegenwärtige Diskussion über Qualitätskriterien wird zusammengefaßt. Zum Schluß werden die Mehrwertaspekte, die durch die Ergänzung der herkömmlichen Erfassung der Hauptdaten entstehen, sowie die Aufbereitung der Rechercheergebnisse in bleibenden Informationssammelstellen als neue Anforderungen innerhalb der bibliothekarischen Berufe besprochen
- Source
- Zeitschrift für Bibliothekswesen und Bibliographie. 43(1996) H.4, S.329-360
-
Hülsmann, M.: Suchen im Web : 68 Suchmaschinen (1998)
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- Abstract
- Wer suchet, der findet. Eine alte Weisheit, die gerade im Zusammenhang mit dem Internet leider nur noch bedingt Gültigkeit hat. Für das chaotischste Netzwerk der Welt muß man den Satz umformulieren: Wer suchet, der findet - wenn es weiß, wo und vor allem womit er zu suchen hat!
-
Bertelmann, R.; Rusch-Feja, D.: Informationsretrieval im Internet : Surfen, Browsen, Suchen - mit einem Überblick über strukturierte Informationsangebote (1997)
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- Abstract
- Das gezielte Suchen im Internet findet in erster Linie mit Hilfe der Suchmaschinen statt. Daneben gibt es aber bereits eine Fülle von strukturierten Informationsangeboten, aufbereiteten Listen und Sammelstellen, die als Clearinghouse, Subject Gateway, Subject Tree oder Resource Pages bezeichnet werden. Solche intellektuell erstellten Übersichten geben in der Regel bereits Hinweise zu Inhalt und fachlichem Niveau der Quelle. Da die Art und Weise der Aufbereitung bei den Sammelstellen sehr unterschiedlich funktioniert, ist die Kenntnis ihrer Erschließungskriterien für ein erfolgreiches Retrieval unverzichtbar
- Date
- 9. 7.2000 11:31:22
-
Auf der Suche nach Suchmaschinen (1996)
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- Abstract
- Man kann im Internet surfen, aber auch Informationen suchen. Doch bevor die Informations-Suche beginnen kann, muß man Suchmaschinen suchen und auswählen
- Source
- Cogito. 12(1996) H.5, S.19-22
-
Dresler, S.; Grosse, A.G.; Rösner, A.: Realisierung und Optimierung der Informationsbeschaffung von Internet-Suchmaschinen am Beispiel von www.crawler.de (1997)
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- Abstract
- Die Datenmenge im WWW, welche in Form von Internet-Seiten über URLs zugänglich ist, wächst derzeit stark an. Um aus dieser Menge effizient eine Liste von URLs zu einem Thema oder Stichwort zu extrahieren, sind leistungsfähige Internet-Suchmaschinen mit einem möglichst umfassenden und aktuellen Datenbestand notwendig. Diese sind jedoch sowohl in ihren Eigenschaften wie Verarbeitungskapazität und Netzanbindung beschränkt als auch durch administrative Hindernisse wie das Robots Exclusion Agreement. Es ist daher notwendig, neuartige Algorithmen zur Sammlung von Internet-Seiten zu verwenden, welche empirisch gewonnenes Wissen über die Seitenstruktur berücksichtigen. Dieser Bericht präsentiert den aktuellen Stand der Optimierung des Datenbeschaffungsteils der bekannten deutschen Suchmaschine www.crawler.de durch die Integration von Mechanismen, welche die Aktualisierungsrate und die Verzeichnistiefe von Internet-Links berücksichtigen
- Source
- Hypertext - Information Retrieval - Multimedia '97: Theorien, Modelle und Implementierungen integrierter elektronischer Informationssysteme. Proceedings HIM '97. Hrsg.: N. Fuhr u.a
-
Karzauninkat, S.: Inflation der Metasucher (1999)
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- Abstract
- Vorstellung verschiedener deutscher und internationaler Meta-Suchmaschinen
-
Schweibenz, W.: Proactive Web design : Maßnahmen zur Verbesserung der Auffindbarkeit von Webseiten durch Suchmaschinen (1999)
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- Abstract
- Unter proactive Web design versteht man alle Maßnahmen, welche die Auffindbarkeit von Webseiten durch Suchmaschinen verbessern und bereits im Vorfeld oder im Moment der Publikation im WWW ergriffen werden können. Diese Maßnahmen reichen von der Registrierung einer Webseite bei Suchmaschinen über die Verknüpfung mit verwandten Web-Seiten und der aussagekräftigen Gestaltung von Titeln von Webseiten bis zur Verwendung von Metadaten
- Source
- nfd Information - Wissenschaft und Praxis. 50(1999) H.7, S.389-396
-
Altmann, O.; Pöhl, S.: Information Retrieval im Internet : bekannte Suchdienste und ihre Eigenschaften (1997)
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- Abstract
- Wie einige wichtige Suchmaschinen arbeiten und wie der Benutzer die Suche effektivieren kann, ist für den Erfolg nicht unerheblich. Wenn darüber hinaus auch die Suchwerkzeuge für bestimmte Arten von Protokollen bekannt sind sowie solche für bestimmte Regionen, hat der Suchende gute Aussichten auf reiche Ausbeute
- Pages
- S.18-22
-
Borggraefe, S.; Schade, O.: Weniger weit weg : Programmpakete zur Indizierung der eigenen Website (1999)
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- Abstract
- Meist ist das erste Navigationsinstrument eines Internet-Benutzers eine der großen Suchmaschinen wie AltaVista, Lycos, DejaNews oder eine der vielen anderen. Um so verwunderlicher die Tatsache, daß kaum ein WWW-Server dieses bekannte und von Benutzern akzeptierte Navigationsinstrument mitliefert
-
Thiele, J.: Sie haben 502.456 Treffer! (1999)
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- Abstract
- Wer sucht, der findet - im Labyrinth der Daten leider selten das Richtige. Über 90 deutsche Suchdienste helfen bei der Recherche im WWW. Com!online hat sie getestet und stellt die 10 besten vor
-
Hülsmann, M.: So suchen die Profis : Suchanfragen optimieren (1998)
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- Abstract
- Man kann im Internet alles finden, wenn man richtig sucht. Dabei ist nicht nur die Auswahl des geeigneten suchdienstes und das Ausknobeln der besten Suchbegriffe von Bedeutung, sondern auch das Ausnutzen der vielfältigen Möglichkeiten, die diese Dienste bieten. Wie Sie mit 3 der wichtigsten Suchmaschinen zu optimalen Ergebnissen kommen, zeigen wir Ihnen in diesem Artikel
- Footnote
- In einem Anhang (S.52-53) gibt es eine tabellarische Übersicht Suchinstrumente und -kommandos der 3 Suchdienste
-
Tröger, B.: "Und wie halten sie es mit der Internet-Erschließung?" : Bibliothekarische Gretchenfragen von IBIS bis GERHARD (1998)
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-
Sander-Beuermann, W.: Findemaschinen: Level3 : Themenorientierte Suchmaschinen (1998)
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- Abstract
- Ohne Suchmaschinen ist das WWW kaum noch die Hälfte wert. die Crux mit den Suchmaschinen kennt trotzdem jeder: Entweder das Gesuchte ist auf der gewählten Suchmaschine (zufällig?) gerade nicht erfaßt, oder Suchende werden von der Menge des Gefundenen 'erschlagen' - wesentlich mehr als 100 'Treffer' sind sinnlos, da unüberschaubar. Die Forderungen an eine hochwertige Suche müssen daher heißen: Die Suchmaschine muß ein definiertes Gebiet vollständig absuchen, und die Ergebnisse müssen für Suchende qualitativ hochwertig sein. Das vollständige Absuchen darf dabei trotzdem nicht zu unüberschaubar langen Trefferlisten führen. Die Kombination dieser beiden Forderungen wird in einem Teilbereich des DFN-Expo Projektes unter dem Stichwort 'Level3' untersucht. Level3 erlaubt die Generierung spezieller Suchmaschinen für definierte, thematisch eingegrenzte Sachgebiete
