-
Nicholas, D.: Are information professionals really better online searchers than end-users? : (and whose story do you believe?) (1995)
0.01
0.006881708 = product of:
0.03440854 = sum of:
0.03440854 = weight(_text_:u in 3871) [ClassicSimilarity], result of:
0.03440854 = score(doc=3871,freq=2.0), product of:
0.13587062 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.041494254 = queryNorm
0.25324488 = fieldWeight in 3871, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0546875 = fieldNorm(doc=3871)
0.2 = coord(1/5)
- Source
- Online information 95: Proceedings of the 19th International online information meeting, London, 5-7 December 1995. Ed.: D.I. Raitt u. B. Jeapes
-
Belkin, N.J.: ¬An overview of results from Rutgers' investigations of interactive information retrieval (1998)
0.00
0.0028109495 = product of:
0.014054747 = sum of:
0.014054747 = product of:
0.028109495 = sum of:
0.028109495 = weight(_text_:22 in 2339) [ClassicSimilarity], result of:
0.028109495 = score(doc=2339,freq=2.0), product of:
0.14530581 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.041494254 = queryNorm
0.19345059 = fieldWeight in 2339, 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=2339)
0.5 = coord(1/2)
0.2 = coord(1/5)
- Date
- 22. 9.1997 19:16:05
-
Kaltenborn, K.-F.: Endnutzerrecherchen in der CD-ROM-Datenbank Medline : T.1: Evaluations- und Benutzerforschung über Nutzungscharakteristika, Bewertung der Rechercheergebnisse und künftige Informationsgewinnung; T.2: Evaluations- und Benutzerforschung über Recherchequalität und Nutzer-Computer/Datenbank-Interaktion (1991)
0.00
0.0024011508 = product of:
0.012005754 = sum of:
0.012005754 = product of:
0.024011508 = sum of:
0.024011508 = weight(_text_:h in 5105) [ClassicSimilarity], result of:
0.024011508 = score(doc=5105,freq=4.0), product of:
0.10309036 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.041494254 = queryNorm
0.2329171 = fieldWeight in 5105, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.046875 = fieldNorm(doc=5105)
0.5 = coord(1/2)
0.2 = coord(1/5)
- Source
- Nachrichten für Dokumentation. 42(1991) H.2, S.107-114. (T.1); 42(1991) H.3, S.177-190 (T.2)
-
Yerbury, H.; Parker, J.: Novice searchers' use of familiar structures in searching bibliographic information retrieval systems (1998)
0.00
0.00169787 = product of:
0.00848935 = sum of:
0.00848935 = product of:
0.0169787 = sum of:
0.0169787 = weight(_text_:h in 2874) [ClassicSimilarity], result of:
0.0169787 = score(doc=2874,freq=2.0), product of:
0.10309036 = queryWeight, product of:
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.041494254 = queryNorm
0.16469726 = fieldWeight in 2874, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4844491 = idf(docFreq=10020, maxDocs=44218)
0.046875 = fieldNorm(doc=2874)
0.5 = coord(1/2)
0.2 = coord(1/5)