-
Lewandowski, D.: Alles nur noch Google? : Entwicklungen im Bereich der WWW-Suchmaschinen (2002)
0.02
0.024304522 = product of:
0.048609044 = sum of:
0.048609044 = product of:
0.072913565 = sum of:
0.024412844 = weight(_text_:h in 997) [ClassicSimilarity], result of:
0.024412844 = score(doc=997,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.21959636 = fieldWeight in 997, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0625 = fieldNorm(doc=997)
0.04850072 = weight(_text_:22 in 997) [ClassicSimilarity], result of:
0.04850072 = score(doc=997,freq=2.0), product of:
0.1566961 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04474692 = queryNorm
0.30952093 = fieldWeight in 997, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=997)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
- Date
- 29. 9.2002 18:49:22
- Source
- BuB. 54(2002) H.9, S.558-561
-
Lewandowski, D.: Abfragesprachen und erweiterte Funktionen von WWW-Suchmaschinen (2004)
0.02
0.024304522 = product of:
0.048609044 = sum of:
0.048609044 = product of:
0.072913565 = sum of:
0.024412844 = weight(_text_:h in 2314) [ClassicSimilarity], result of:
0.024412844 = score(doc=2314,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.21959636 = fieldWeight in 2314, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0625 = fieldNorm(doc=2314)
0.04850072 = weight(_text_:22 in 2314) [ClassicSimilarity], result of:
0.04850072 = score(doc=2314,freq=2.0), product of:
0.1566961 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04474692 = queryNorm
0.30952093 = fieldWeight in 2314, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=2314)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
- Date
- 28.11.2004 13:11:22
- Source
- Information - Wissenschaft und Praxis. 55(2004) H.2, S.97-102
-
Lewandowski, D.: Desktop-Suche, Shortcuts, SMS (2004)
0.01
0.0050860094 = product of:
0.010172019 = sum of:
0.010172019 = product of:
0.030516056 = sum of:
0.030516056 = weight(_text_:h in 3287) [ClassicSimilarity], result of:
0.030516056 = score(doc=3287,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.27449545 = fieldWeight in 3287, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.078125 = fieldNorm(doc=3287)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Password. 2004, H.11, S.40-41
-
Lewandowski, D.: Neue Themen der Informationswissenschaft sind nicht zu erkennen (2004)
0.01
0.0050860094 = product of:
0.010172019 = sum of:
0.010172019 = product of:
0.030516056 = sum of:
0.030516056 = weight(_text_:h in 3292) [ClassicSimilarity], result of:
0.030516056 = score(doc=3292,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.27449545 = fieldWeight in 3292, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.078125 = fieldNorm(doc=3292)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Password. 2004, H.12, S.8-10
-
Lewandowski, D.: Spezialsuche für wissenschaftliche Informationen (2004)
0.01
0.0050860094 = product of:
0.010172019 = sum of:
0.010172019 = product of:
0.030516056 = sum of:
0.030516056 = weight(_text_:h in 3298) [ClassicSimilarity], result of:
0.030516056 = score(doc=3298,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.27449545 = fieldWeight in 3298, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.078125 = fieldNorm(doc=3298)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Password. 2004, H.12, S.24
-
Lewandowski, D.: Start der eigenen Suchmaschine als Beta-Version (2004)
0.01
0.0050860094 = product of:
0.010172019 = sum of:
0.010172019 = product of:
0.030516056 = sum of:
0.030516056 = weight(_text_:h in 3299) [ClassicSimilarity], result of:
0.030516056 = score(doc=3299,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.27449545 = fieldWeight in 3299, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.078125 = fieldNorm(doc=3299)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Password. 2004, H.12, S.25
-
Lewandowski, D.: Freiwillige Selbstkontrolle, Stärkung "alternativer Suchmaschinen" : Suchmaschinen und Politik (2005)
0.01
0.0050860094 = product of:
0.010172019 = sum of:
0.010172019 = product of:
0.030516056 = sum of:
0.030516056 = weight(_text_:h in 3374) [ClassicSimilarity], result of:
0.030516056 = score(doc=3374,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.27449545 = fieldWeight in 3374, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.078125 = fieldNorm(doc=3374)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Password. 2005, H.4, S.19
-
Lewandowski, D.: Neue Suchmaschinen, neue Datenbestände, Desktop-Suche, Shortcuts (2005)
0.01
0.0050860094 = product of:
0.010172019 = sum of:
0.010172019 = product of:
0.030516056 = sum of:
0.030516056 = weight(_text_:h in 3432) [ClassicSimilarity], result of:
0.030516056 = score(doc=3432,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.27449545 = fieldWeight in 3432, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.078125 = fieldNorm(doc=3432)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Password. 2005, H.1, S.33
-
Lewandowski, D.: Wie können sich Bibliotheken gegenüber Wissenschaftssuchmaschinen positionieren? (2007)
0.00
0.0040688077 = product of:
0.008137615 = sum of:
0.008137615 = product of:
0.024412844 = sum of:
0.024412844 = weight(_text_:h in 5112) [ClassicSimilarity], result of:
0.024412844 = score(doc=5112,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.21959636 = fieldWeight in 5112, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0625 = fieldNorm(doc=5112)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Wa(h)re Information: 29. Österreichischer Bibliothekartag Bregenz, 19.-23.9.2006. Hrsg.: Harald Weigel
-
Lewandowski, D.: "Find what I mean not what I say" : Neuere Ansätze zur Qualifizierung von Suchmaschinen-Ergebnissen (2001)
0.00
0.0040688077 = product of:
0.008137615 = sum of:
0.008137615 = product of:
0.024412844 = sum of:
0.024412844 = weight(_text_:h in 5932) [ClassicSimilarity], result of:
0.024412844 = score(doc=5932,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.21959636 = fieldWeight in 5932, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0625 = fieldNorm(doc=5932)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- BuB. 53(2001) H.6/7, S.381-386
-
Lewandowski, D.: Aktualität als erfolgskritischer Faktor bei Suchmaschinen (2006)
0.00
0.0040688077 = product of:
0.008137615 = sum of:
0.008137615 = product of:
0.024412844 = sum of:
0.024412844 = weight(_text_:h in 1816) [ClassicSimilarity], result of:
0.024412844 = score(doc=1816,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.21959636 = fieldWeight in 1816, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0625 = fieldNorm(doc=1816)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Information - Wissenschaft und Praxis. 57(2006) H.3, S.141-148
-
Lewandowski, D.: Was Google nicht kann, aber Yahoo (2004)
0.00
0.0040688077 = product of:
0.008137615 = sum of:
0.008137615 = product of:
0.024412844 = sum of:
0.024412844 = weight(_text_:h in 3291) [ClassicSimilarity], result of:
0.024412844 = score(doc=3291,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.21959636 = fieldWeight in 3291, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0625 = fieldNorm(doc=3291)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Password. 2004, H.11, S.42
-
Lewandowski, D.: Suchmaschinen als Konkurrenten der Bibliothekskataloge : Wie Bibliotheken ihre Angebote durch Suchmaschinentechnologie attraktiver und durch Öffnung für die allgemeinen Suchmaschinen populärer machen können (2006)
0.00
0.0035602066 = product of:
0.0071204132 = sum of:
0.0071204132 = product of:
0.02136124 = sum of:
0.02136124 = weight(_text_:h in 3449) [ClassicSimilarity], result of:
0.02136124 = score(doc=3449,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.19214681 = fieldWeight in 3449, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0546875 = fieldNorm(doc=3449)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Zeitschrift für Bibliothekswesen und Bibliographie. 53(2006) H.2, S.71-78
-
Lewandowski, D.: Open-Access-Archiv für Bibliotheks- und Informationswissenschaft (2004)
0.00
0.0025430047 = product of:
0.0050860094 = sum of:
0.0050860094 = product of:
0.015258028 = sum of:
0.015258028 = weight(_text_:h in 2816) [ClassicSimilarity], result of:
0.015258028 = score(doc=2816,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.13724773 = fieldWeight in 2816, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0390625 = fieldNorm(doc=2816)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Bibliotheksdienst. 38(2004) H.9, S.1156
-
Lewandowski, D.: Web Information Retrieval (2005)
0.00
0.0020344038 = product of:
0.0040688077 = sum of:
0.0040688077 = product of:
0.012206422 = sum of:
0.012206422 = weight(_text_:h in 4028) [ClassicSimilarity], result of:
0.012206422 = score(doc=4028,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.10979818 = fieldWeight in 4028, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.03125 = fieldNorm(doc=4028)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Information - Wissenschaft und Praxis. 56(2005) H.1, S.5-12
-
Lewandowski, D.: Zusammenarbeit von Google, Yahoo und Microsoft (2005)
0.00
0.0017801033 = product of:
0.0035602066 = sum of:
0.0035602066 = product of:
0.01068062 = sum of:
0.01068062 = weight(_text_:h in 3378) [ClassicSimilarity], result of:
0.01068062 = score(doc=3378,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.096073404 = fieldWeight in 3378, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.02734375 = fieldNorm(doc=3378)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Password. 2005, H.2, S.26
-
Lewandowski, D.: Suchmaschine im Betriebssystem (2005)
0.00
0.0017801033 = product of:
0.0035602066 = sum of:
0.0035602066 = product of:
0.01068062 = sum of:
0.01068062 = weight(_text_:h in 3438) [ClassicSimilarity], result of:
0.01068062 = score(doc=3438,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.096073404 = fieldWeight in 3438, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.02734375 = fieldNorm(doc=3438)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Password. 2005, H.6, S.29
-
Lewandowski, D.: Suchmaschinen - ein Thema für die Informationswissenschaft (2005)
0.00
0.0015258028 = product of:
0.0030516055 = sum of:
0.0030516055 = product of:
0.009154816 = sum of:
0.009154816 = weight(_text_:h in 3183) [ClassicSimilarity], result of:
0.009154816 = score(doc=3183,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.08234863 = fieldWeight in 3183, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.0234375 = fieldNorm(doc=3183)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Information - Wissenschaft und Praxis. 56(2005) H.1, S.1
-
Lewandowski, D.: Web Information Retrieval : Technologien zur Informationssuche im Internet (2005)
0.00
0.0014385408 = product of:
0.0028770815 = sum of:
0.0028770815 = product of:
0.008631244 = sum of:
0.008631244 = weight(_text_:h in 3635) [ClassicSimilarity], result of:
0.008631244 = score(doc=3635,freq=4.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.077639036 = fieldWeight in 3635, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.015625 = fieldNorm(doc=3635)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Footnote
- Rez. in: Information - Wissenschaft und Praxis. 56(2005) H.7, S.393-394 (J. Griesbaum): "... , das Buch wird seinem Titel und dem formulierten Anspruch sehr gut gerecht. Die 248 Seiten umfängliche Publikation leistet eine umfassende und, für den deutschsprachigen Raum, einzigartige State-of-the-Art-Analyse der Verfahren und auch der Defizite von Suchmaschinen im Internet. Dabei beschränkt sich Lewandowski nicht auf eine technikzentrierte Beschreibung aktueller Retrievalansätze, sondern akzentuiert ebenso deutlich auch die Problemfelder bei der Nutzung von Suchmaschinen. Dieser nutzerzentrierte Ansatz kommt vor allem im konzeptionellen Teil der Arbeit zum Tragen, der das Ziel verfolgt, Suchmaschinennutzern verbesserte Rechercheoptionen zu verschaffen. Angesichts der nur in geringem Maße vorhandenen Recherchekenntnisse der Nutzer liegt die Herausforderung vor allem darin, solche verbesserten Recherchemöglichkeiten derart auszugestalten, dass sie sich in realen Suchkontexten auch tatsächlich auswirken und nicht etwa wie die meist als "Erweitere Suche" bezeichneten Anfragemasken ein kaum beachtetes Dasein fristen. Der Verfasser konzipiert in diesem wichtigen Forschungsfeld neue Ansätze, um die Oualität des Information Retrievals zu verbessern. ... "
Weitere Rez. in: Mitt. VÖB 58(2005) H.4, S.116-119 (O. Oberhauser)
-
Lewandowski, D.: Wikipedia in großen Suchmaschinen (2005)
0.00
0.0012715023 = product of:
0.0025430047 = sum of:
0.0025430047 = product of:
0.007629014 = sum of:
0.007629014 = weight(_text_:h in 3576) [ClassicSimilarity], result of:
0.007629014 = score(doc=3576,freq=2.0), product of:
0.11117145 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.04474692 = queryNorm
0.06862386 = fieldWeight in 3576, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.01953125 = fieldNorm(doc=3576)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Password. 2005, H.5, S.21,29