-
Borgman, C.L.; Chignell, M.H.; Valdez, F.: Designing an information retrieval interface based on children's categorization of knowledge : a pilot study (1989)
0.02
0.020508017 = product of:
0.041016035 = sum of:
0.041016035 = product of:
0.061524052 = sum of:
0.0058577196 = weight(_text_:s in 2769) [ClassicSimilarity], result of:
0.0058577196 = score(doc=2769,freq=4.0), product of:
0.04925905 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04530661 = queryNorm
0.118916616 = fieldWeight in 2769, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=2769)
0.05566633 = weight(_text_:f in 2769) [ClassicSimilarity], result of:
0.05566633 = score(doc=2769,freq=2.0), product of:
0.18058246 = queryWeight, product of:
3.985786 = idf(docFreq=2232, maxDocs=44218)
0.04530661 = queryNorm
0.3082599 = fieldWeight in 2769, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.985786 = idf(docFreq=2232, maxDocs=44218)
0.0546875 = fieldNorm(doc=2769)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
- Pages
- S.81-95
- Type
- s
-
Borgman, C.L.: Children's use of an interactive science library : exploratory research (1990)
0.00
0.0015779174 = product of:
0.0031558347 = sum of:
0.0031558347 = product of:
0.009467504 = sum of:
0.009467504 = weight(_text_:s in 2432) [ClassicSimilarity], result of:
0.009467504 = score(doc=2432,freq=2.0), product of:
0.04925905 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04530661 = queryNorm
0.19219826 = fieldWeight in 2432, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=2432)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- School library media quarterly. 18(1990) no.2, S.108-111
-
Borgman, C.L.: ¬The user's mental model of an information retrieval system : an experiment on a prototype online catalogue (1986)
0.00
0.0013806777 = product of:
0.0027613554 = sum of:
0.0027613554 = product of:
0.008284066 = sum of:
0.008284066 = weight(_text_:s in 2756) [ClassicSimilarity], result of:
0.008284066 = score(doc=2756,freq=2.0), product of:
0.04925905 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04530661 = queryNorm
0.16817348 = fieldWeight in 2756, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.109375 = fieldNorm(doc=2756)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- International journal of man-machine studies. 24(1986), S.47-64
-
Beaulieu, M.; Borgman, C.L.: ¬A new era for OPAC research : introduction to special topic issue on current research in Online Public Access Systems (1996)
0.00
0.001183438 = product of:
0.002366876 = sum of:
0.002366876 = product of:
0.0071006278 = sum of:
0.0071006278 = weight(_text_:s in 4379) [ClassicSimilarity], result of:
0.0071006278 = score(doc=4379,freq=2.0), product of:
0.04925905 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04530661 = queryNorm
0.14414869 = fieldWeight in 4379, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=4379)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science. 47(1996) no.7, S.491-492
-
Borgman, C.L.: Why are online catalogs hard to use? : lessons learned from information-retrieval studies (1986)
0.00
5.91719E-4 = product of:
0.001183438 = sum of:
0.001183438 = product of:
0.0035503139 = sum of:
0.0035503139 = weight(_text_:s in 2281) [ClassicSimilarity], result of:
0.0035503139 = score(doc=2281,freq=2.0), product of:
0.04925905 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04530661 = queryNorm
0.072074346 = fieldWeight in 2281, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=2281)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science. 37(1986), S.387-400
-
Hirsh, S.G.; Borgman, C.L.: Comparing children's use of browsing and keyword searching on the Science Library catalog (1995)
0.00
5.91719E-4 = product of:
0.001183438 = sum of:
0.001183438 = product of:
0.0035503139 = sum of:
0.0035503139 = weight(_text_:s in 3825) [ClassicSimilarity], result of:
0.0035503139 = score(doc=3825,freq=2.0), product of:
0.04925905 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04530661 = queryNorm
0.072074346 = fieldWeight in 3825, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=3825)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Pages
- S.19-26
-
Borgman, C.L.; Hirsh, S.G.; Walter, V.A.; Gallagher, A.L.: Childrens searching behavior on browsing and keyword online catalogs : the Science Library Catalog project (1995)
0.00
4.930992E-4 = product of:
9.861984E-4 = sum of:
9.861984E-4 = product of:
0.002958595 = sum of:
0.002958595 = weight(_text_:s in 2591) [ClassicSimilarity], result of:
0.002958595 = score(doc=2591,freq=2.0), product of:
0.04925905 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04530661 = queryNorm
0.060061958 = fieldWeight in 2591, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=2591)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science. 46(1995) no.9, S.663-684
-
Borgman, C.L.; Hirsh, S.G.; Hiller, J.: Rethinking online monitoring methods for information retrieval systems : from search product to search process (1996)
0.00
4.930992E-4 = product of:
9.861984E-4 = sum of:
9.861984E-4 = product of:
0.002958595 = sum of:
0.002958595 = weight(_text_:s in 4385) [ClassicSimilarity], result of:
0.002958595 = score(doc=4385,freq=2.0), product of:
0.04925905 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04530661 = queryNorm
0.060061958 = fieldWeight in 4385, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=4385)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science. 47(1996) no.7, S.568-583
-
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
4.930992E-4 = product of:
9.861984E-4 = sum of:
9.861984E-4 = product of:
0.002958595 = sum of:
0.002958595 = weight(_text_:s in 2779) [ClassicSimilarity], result of:
0.002958595 = score(doc=2779,freq=2.0), product of:
0.04925905 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04530661 = queryNorm
0.060061958 = fieldWeight in 2779, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=2779)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Pages
- S.162-169
-
Borgman, C.L.: Why are online catalogs still hard to use? (1996)
0.00
3.9447934E-4 = product of:
7.889587E-4 = sum of:
7.889587E-4 = product of:
0.002366876 = sum of:
0.002366876 = weight(_text_:s in 4380) [ClassicSimilarity], result of:
0.002366876 = score(doc=4380,freq=2.0), product of:
0.04925905 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04530661 = queryNorm
0.048049565 = fieldWeight in 4380, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03125 = fieldNorm(doc=4380)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science. 47(1996) no.7, S.493-503