-
Lewandowski, D.: Nachweis deutschsprachiger bibliotheks- und informationswissenschaftlicher Aufsätze in Google Scholar (2007)
0.02
0.024769438 = product of:
0.14861663 = sum of:
0.14861663 = weight(_text_:168 in 284) [ClassicSimilarity], result of:
0.14861663 = score(doc=284,freq=2.0), product of:
0.28385672 = queryWeight, product of:
6.769634 = idf(docFreq=137, maxDocs=44218)
0.041930884 = queryNorm
0.52356213 = fieldWeight in 284, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
6.769634 = idf(docFreq=137, maxDocs=44218)
0.0546875 = fieldNorm(doc=284)
0.16666667 = coord(1/6)
- Source
- Information - Wissenschaft und Praxis. 58(2007) H.3, S.165-168
-
Golderman, G.M.; Connolly, B.: Between the book covers : going beyond OPAC keyword searching with the deep linking capabilities of Google Scholar and Google Book Search (2004/05)
0.01
0.0144263785 = product of:
0.043279134 = sum of:
0.029076494 = weight(_text_:b in 731) [ClassicSimilarity], result of:
0.029076494 = score(doc=731,freq=2.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.19572285 = fieldWeight in 731, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.0390625 = fieldNorm(doc=731)
0.014202639 = product of:
0.028405279 = sum of:
0.028405279 = weight(_text_:22 in 731) [ClassicSimilarity], result of:
0.028405279 = score(doc=731,freq=2.0), product of:
0.1468348 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041930884 = queryNorm
0.19345059 = fieldWeight in 731, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=731)
0.5 = coord(1/2)
0.33333334 = coord(2/6)
- Date
- 2.12.2007 19:39:22
-
Lu, G.; Williams, B.; You, C.: ¬An effective World Wide Web image search engine (2001)
0.01
0.01356903 = product of:
0.08141418 = sum of:
0.08141418 = weight(_text_:b in 5655) [ClassicSimilarity], result of:
0.08141418 = score(doc=5655,freq=2.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.54802394 = fieldWeight in 5655, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.109375 = fieldNorm(doc=5655)
0.16666667 = coord(1/6)
-
Neubauer, R.: Google ist auch eine weltweite Werbefläche : 100 000 Firmen bezahlen die Suchmaschine für zielgerichtete Reklame / Konkurrent Yahoo geht mit Overture in die Offensive (2003)
0.01
0.012384719 = product of:
0.07430831 = sum of:
0.07430831 = weight(_text_:168 in 843) [ClassicSimilarity], result of:
0.07430831 = score(doc=843,freq=2.0), product of:
0.28385672 = queryWeight, product of:
6.769634 = idf(docFreq=137, maxDocs=44218)
0.041930884 = queryNorm
0.26178107 = fieldWeight in 843, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
6.769634 = idf(docFreq=137, maxDocs=44218)
0.02734375 = fieldNorm(doc=843)
0.16666667 = coord(1/6)
- Source
- Frankfurter Rundschau. Nr.168 vom 22.7.2003, S.17
-
Web work : Information seeking and knowledge work on the World Wide Web (2000)
0.01
0.0116305975 = product of:
0.06978358 = sum of:
0.06978358 = weight(_text_:b in 1190) [ClassicSimilarity], result of:
0.06978358 = score(doc=1190,freq=2.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.46973482 = fieldWeight in 1190, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.09375 = fieldNorm(doc=1190)
0.16666667 = coord(1/6)
- Editor
- Choo, C.W., B. Detlor u. Turnbull
-
Weichselgartner, E.; Baier, C.: Sechs Jahre PsychSpider : Aus der Praxis des Betriebs einer Psychologie-Suchmaschine für freie Web-Inhalte (2007)
0.01
0.01157045 = product of:
0.0694227 = sum of:
0.0694227 = product of:
0.1388454 = sum of:
0.1388454 = weight(_text_:psychologie in 293) [ClassicSimilarity], result of:
0.1388454 = score(doc=293,freq=6.0), product of:
0.24666919 = queryWeight, product of:
5.8827567 = idf(docFreq=334, maxDocs=44218)
0.041930884 = queryNorm
0.562881 = fieldWeight in 293, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
5.8827567 = idf(docFreq=334, maxDocs=44218)
0.0390625 = fieldNorm(doc=293)
0.5 = coord(1/2)
0.16666667 = coord(1/6)
- Abstract
- Seit Sommer 2000 betreibt das Zentrum für Psychologische Information und Dokumentation (ZPID) den PsychSpider, eine Spezialsuchmaschine für wissenschaftliche Inhalte zur Psychologie. Der PsychSpider ist vorwiegend eine Websuchmaschine, aber auch strukturierte bibliographische Daten werden indiziert. Gegenwärtig bietet der PsychSpider den integrierten Zugang zu ca. 800.000 Dokumenten aus dem Surface Web und dem Deep Web. Die Suchmaschine verfügt über zahlreiche fortschrittliche Merkmale wie Boolesche Operatoren, natürlichsprachige Eingaben, "Query-by-Example", Relevanzbewertung der Resultate, Strukturierung des Datenbestands in unterschiedliche Kollektionen, im- und exportierbare Indexe, parametrische Suche und automatische Kategorisierung. Die mehrjährige Erfahrung zeigt, dass auch eine Technologie, die eigentlich dazu dienen sollte, möglichst automatisch die relevanten Informationen aus den Myriaden von Dokumenten im Internet herauszufischen, umfängliche menschliche Betreuung braucht. Das liegt an der formalen und inhaltlichen Qualität von Inhalten, aber auch an technologischen Faktoren wie zum Beispiel Content Management Systemen. Die Nutzung des PsychSpider ist über die Jahre kontinuierlich gewachsen und er gehört zu den erfolgreichsten Web-Angeboten des ZPID. Aus strategischer Sicht ist eine nach den Kriterien einer wissenschaftlichen Fachinformationseinrichtung betriebene Suchmaschine unverzichtbar und der weitere Ausbau wird die Attraktivität deutlich erhöhen.
- Field
- Psychologie
-
Kohkemper, R.: Studenten-Charme im Big Business : 200 Millionen Anfragen pro Tag - die erfolgreichste Suchmaschine des Internet (2004)
0.01
0.0102009885 = product of:
0.030602966 = sum of:
0.020560184 = weight(_text_:b in 2324) [ClassicSimilarity], result of:
0.020560184 = score(doc=2324,freq=4.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.13839695 = fieldWeight in 2324, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.01953125 = fieldNorm(doc=2324)
0.010042782 = product of:
0.020085564 = sum of:
0.020085564 = weight(_text_:22 in 2324) [ClassicSimilarity], result of:
0.020085564 = score(doc=2324,freq=4.0), product of:
0.1468348 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041930884 = queryNorm
0.13679022 = fieldWeight in 2324, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.01953125 = fieldNorm(doc=2324)
0.5 = coord(1/2)
0.33333334 = coord(2/6)
- Content
- SUCHMETHODE PageRank Technologie nennen die Google-Gründer ihre Such-Methode. Nach der Eingabe eines Suchbegriffes werden die 3 Milliarden Webseiten, die Google erreichen kann, damit verglichen. Der Kern der Such-Methode ist dabei, dass Google einen Link von der Seite A zu Seite B als ein "Votum" von der Seite A zu Seite B wertet. Wer also auf seiner Webseite mit einem Link eine andere Seite empfiehlt bzw. darauf verweist, verändert den Stellenwert einer Seite in der Google-Liste. Allerdings verlässt sich Google nicht allein auf die Voten anderer Seiten. Mitarbeiter des Anbieters schätzen die Wichtigkeit einer Seite über dieses Votum ein. Außerdem wird von Google die Seite bewertet, von der das Votum stammt. Ein Beispiel für die Manipulierbarkeit von Google: Wer im weltweiten Netz "miserable failure" ("erbärmlicher Versager") eingibt, landet bei der Biografie von George W. Bush. Zahlreiche Webmaster haben also einen Link zum Weißen Haus gesetzt und und mit dem Suchnamen "miserable failure" unterlegt.
- Date
- 3. 5.1997 8:44:22
13. 6.2004 14:34:22
-
Stuijtts, B.: Optimiert : Website-Auftritt bei Suchmaschinen (2004)
0.01
0.009692165 = product of:
0.05815299 = sum of:
0.05815299 = weight(_text_:b in 2076) [ClassicSimilarity], result of:
0.05815299 = score(doc=2076,freq=2.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.3914457 = fieldWeight in 2076, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.078125 = fieldNorm(doc=2076)
0.16666667 = coord(1/6)
-
Griesbaum, J.; Rittberger, M.; Bekavac, B.: Deutsche Suchmaschinen im Vergleich : AltaVista.de, Fireball.de, Google.de und Lycos.de (2002)
0.01
0.009692165 = product of:
0.05815299 = sum of:
0.05815299 = weight(_text_:b in 1159) [ClassicSimilarity], result of:
0.05815299 = score(doc=1159,freq=2.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.3914457 = fieldWeight in 1159, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.078125 = fieldNorm(doc=1159)
0.16666667 = coord(1/6)
-
Stock, M.; Stock, W.G.: Recherchieren im Internet (2004)
0.01
0.007574741 = product of:
0.045448445 = sum of:
0.045448445 = product of:
0.09089689 = sum of:
0.09089689 = weight(_text_:22 in 4686) [ClassicSimilarity], result of:
0.09089689 = score(doc=4686,freq=2.0), product of:
0.1468348 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041930884 = queryNorm
0.61904186 = fieldWeight in 4686, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=4686)
0.5 = coord(1/2)
0.16666667 = coord(1/6)
- Date
- 27.11.2005 18:04:22
-
Schulz, U.: Search engine usability : über die Nutzungsqualität von Suchmaschinen (2001)
0.01
0.006853395 = product of:
0.04112037 = sum of:
0.04112037 = weight(_text_:b in 5776) [ClassicSimilarity], result of:
0.04112037 = score(doc=5776,freq=4.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.2767939 = fieldWeight in 5776, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.0390625 = fieldNorm(doc=5776)
0.16666667 = coord(1/6)
- Abstract
- Web Usability konnte sich als Forschungsbereich zunächst nur in größeren Firmen der Internet-Branche wie z. B. Icon Medialab etablieren. Mit zunehmender Konkurrenz und ersten Pleiten im E-Commerce entsteht die Einsicht oder bittere Erfahrung, dass bunte, multimediale Internetpräsenz nicht alles ist: Die Nutzungsqualität von Websites tritt in den Vordergrund und damit ein neuer Arbeitsmarkt für Informationsarchitekten und HCI- bzw. Usability-Spezialisten. Suchmaschinen sind eine besondere Kategorie von Website. Sie entstehen in einem Spannungsfeld zweier unterschiedlicher Interessen: Mit kommerziellen Websites teilen sie den Wettbewerb um Kunden und die Art der Kunden: den ungeduldigen gelegentlichen Anwender. Mit der akademischen Welt teilen sie das forschende Bemühen um die Optimierung von Features und Funktionen und die déformation professionelle der Eingeweihten. Am Beispiel zweier Untersuchungen wird deutlich, wie es der richtige 'Methodenmix' ermöglicht, bei der Evaluation der Nutzungsqualität von Suchmaschinen ganz unterschiedlicher Art (a) diesen Interessenkonflikt bewusst zu machen, (b) Empathie für die Nöte der Kunden zu entwickeln und c) allgemeingültige Kriterien zur Entwicklung gebrauchstauglicher Suchmaschinen aufzustellen. Beide Untersuchungen fanden im Rahmen des Projekts Jorschung und Forschungsumgebung für Web Usability« unter Mitwirkung von Studierenden am Fachbereich Bibliothek und Information der FH Hamburg statt
-
Kules, B.; Shneiderman, B.: Users can change their web search tactics : design guidelines for categorized overviews (2008)
0.01
0.006853395 = product of:
0.04112037 = sum of:
0.04112037 = weight(_text_:b in 2044) [ClassicSimilarity], result of:
0.04112037 = score(doc=2044,freq=4.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.2767939 = fieldWeight in 2044, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.0390625 = fieldNorm(doc=2044)
0.16666667 = coord(1/6)
-
Tjondronegoro, D.; Spink, A.; Jansen, B.J.: ¬A study and comparison of multimedia Web searching : 1997-2006 (2009)
0.01
0.006853395 = product of:
0.04112037 = sum of:
0.04112037 = weight(_text_:b in 3090) [ClassicSimilarity], result of:
0.04112037 = score(doc=3090,freq=4.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.2767939 = fieldWeight in 3090, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.0390625 = fieldNorm(doc=3090)
0.16666667 = coord(1/6)
- Abstract
- Searching for multimedia is an important activity for users of Web search engines. Studying user's interactions with Web search engine multimedia buttons, including image, audio, and video, is important for the development of multimedia Web search systems. This article provides results from a Weblog analysis study of multimedia Web searching by Dogpile users in 2006. The study analyzes the (a) duration, size, and structure of Web search queries and sessions; (b) user demographics; (c) most popular multimedia Web searching terms; and (d) use of advanced Web search techniques including Boolean and natural language. The current study findings are compared with results from previous multimedia Web searching studies. The key findings are: (a) Since 1997, image search consistently is the dominant media type searched followed by audio and video; (b) multimedia search duration is still short (>50% of searching episodes are <1 min), using few search terms; (c) many multimedia searches are for information about people, especially in audio search; and (d) multimedia search has begun to shift from entertainment to other categories such as medical, sports, and technology (based on the most repeated terms). Implications for design of Web multimedia search engines are discussed.
-
Callicott, B.; Vaughn, D.: Google Scholar vs. Library Scholar : testing the performance of Schoogle (2005)
0.01
0.006784515 = product of:
0.04070709 = sum of:
0.04070709 = weight(_text_:b in 357) [ClassicSimilarity], result of:
0.04070709 = score(doc=357,freq=2.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.27401197 = fieldWeight in 357, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.0546875 = fieldNorm(doc=357)
0.16666667 = coord(1/6)
-
Bekavac, B.; Herget, J.; Hierl, S.; Öttl, S.: Visualisierungskomponenten bei webbasierten Suchmaschinen : Methoden, Kriterien und ein Marktüberblick (2007)
0.01
0.006784515 = product of:
0.04070709 = sum of:
0.04070709 = weight(_text_:b in 399) [ClassicSimilarity], result of:
0.04070709 = score(doc=399,freq=2.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.27401197 = fieldWeight in 399, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.0546875 = fieldNorm(doc=399)
0.16666667 = coord(1/6)
-
Eversberg, B.: Zur Zukunft der Katalogisierung : ... jenseits RAK und AACR (2004)
0.01
0.006784515 = product of:
0.04070709 = sum of:
0.04070709 = weight(_text_:b in 3632) [ClassicSimilarity], result of:
0.04070709 = score(doc=3632,freq=2.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.27401197 = fieldWeight in 3632, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.0546875 = fieldNorm(doc=3632)
0.16666667 = coord(1/6)
-
MacLeod, R.: Promoting a subject gateway : a case study from EEVL (Edinburgh Engineering Virtual Library) (2000)
0.01
0.006695188 = product of:
0.040171128 = sum of:
0.040171128 = product of:
0.080342256 = sum of:
0.080342256 = weight(_text_:22 in 4872) [ClassicSimilarity], result of:
0.080342256 = score(doc=4872,freq=4.0), product of:
0.1468348 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041930884 = queryNorm
0.54716086 = fieldWeight in 4872, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=4872)
0.5 = coord(1/2)
0.16666667 = coord(1/6)
- Date
- 22. 6.2002 19:40:22
-
Back, J.: ¬An evaluation of relevancy ranking techniques used by Internet search engines (2000)
0.01
0.006627898 = product of:
0.03976739 = sum of:
0.03976739 = product of:
0.07953478 = sum of:
0.07953478 = weight(_text_:22 in 3445) [ClassicSimilarity], result of:
0.07953478 = score(doc=3445,freq=2.0), product of:
0.1468348 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041930884 = queryNorm
0.5416616 = fieldWeight in 3445, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.109375 = fieldNorm(doc=3445)
0.5 = coord(1/2)
0.16666667 = coord(1/6)
- Date
- 25. 8.2005 17:42:22
-
Bawden, D.: Google and the universe of knowledge (2008)
0.01
0.006627898 = product of:
0.03976739 = sum of:
0.03976739 = product of:
0.07953478 = sum of:
0.07953478 = weight(_text_:22 in 844) [ClassicSimilarity], result of:
0.07953478 = score(doc=844,freq=2.0), product of:
0.1468348 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041930884 = queryNorm
0.5416616 = fieldWeight in 844, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.109375 = fieldNorm(doc=844)
0.5 = coord(1/2)
0.16666667 = coord(1/6)
- Date
- 7. 6.2008 16:22:20
-
Nait-Baha, L.; Jackiewicz, A.; Djioua, B.; Laublet, P.: Query reformulation for information retrieval on the Web using the point of view methodology : preliminary results (2001)
0.01
0.0058152988 = product of:
0.03489179 = sum of:
0.03489179 = weight(_text_:b in 249) [ClassicSimilarity], result of:
0.03489179 = score(doc=249,freq=2.0), product of:
0.14855953 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.041930884 = queryNorm
0.23486741 = fieldWeight in 249, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.046875 = fieldNorm(doc=249)
0.16666667 = coord(1/6)
