-
Borgman, C.L.: Information retrieval from CD-ROM : status quo or a revolution in end-user access? (1987)
0.01
0.0076435204 = product of:
0.015287041 = sum of:
0.015287041 = product of:
0.030574081 = sum of:
0.030574081 = weight(_text_:20 in 6536) [ClassicSimilarity], result of:
0.030574081 = score(doc=6536,freq=2.0), product of:
0.1438149 = queryWeight, product of:
2.748821 = idf(docFreq=7692, maxDocs=44218)
0.05231876 = queryNorm
0.21259327 = fieldWeight in 6536, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.748821 = idf(docFreq=7692, maxDocs=44218)
0.0546875 = fieldNorm(doc=6536)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 23. 1.1999 19:20:58
-
Borgman, C.L.; Chignell, M.H.; Valdez, F.: Designing an information retrieval interface based on children's categorization of knowledge : a pilot study (1989)
0.01
0.0076435204 = product of:
0.015287041 = sum of:
0.015287041 = product of:
0.030574081 = sum of:
0.030574081 = weight(_text_:20 in 2769) [ClassicSimilarity], result of:
0.030574081 = score(doc=2769,freq=2.0), product of:
0.1438149 = queryWeight, product of:
2.748821 = idf(docFreq=7692, maxDocs=44218)
0.05231876 = queryNorm
0.21259327 = fieldWeight in 2769, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.748821 = idf(docFreq=7692, maxDocs=44218)
0.0546875 = fieldNorm(doc=2769)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 23. 1.1999 20:03:32
-
Borgman, C.L.; Walter, V.A.; Rosenberg, J.: ¬The Science Library Catalog project : comparison of children's searching behaviour in hypertext and a keyword search system (1991)
0.01
0.0054596574 = product of:
0.010919315 = sum of:
0.010919315 = product of:
0.02183863 = sum of:
0.02183863 = weight(_text_:20 in 2779) [ClassicSimilarity], result of:
0.02183863 = score(doc=2779,freq=2.0), product of:
0.1438149 = queryWeight, product of:
2.748821 = idf(docFreq=7692, maxDocs=44218)
0.05231876 = queryNorm
0.15185234 = fieldWeight in 2779, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.748821 = idf(docFreq=7692, maxDocs=44218)
0.0390625 = fieldNorm(doc=2779)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 23. 1.1999 20:42:57