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)
0.00
0.00132267 = product of:
0.00529068 = sum of:
0.00529068 = product of:
0.0264534 = sum of:
0.0264534 = weight(_text_:28 in 2779) [ClassicSimilarity], result of:
0.0264534 = score(doc=2779,freq=2.0), product of:
0.13367462 = queryWeight, product of:
3.5822632 = idf(docFreq=3342, maxDocs=44218)
0.03731569 = queryNorm
0.19789396 = fieldWeight in 2779, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5822632 = idf(docFreq=3342, maxDocs=44218)
0.0390625 = fieldNorm(doc=2779)
0.2 = coord(1/5)
0.25 = coord(1/4)
- Source
- ASIS '91: systems understanding people. Proc. of the 54th Annual Meeting of the ASIS, vol.28, Washington, DC, 27.-31.10.1991. Ed.: J.-M. Griffiths