Marchionini, G.; Xia, L.; Dwiggins, S.: Efforts of search and subject expertise on information seeking in a hypertext environment (1990)
0.00
0.00477217 = product of:
0.03817736 = sum of:
0.024727343 = weight(_text_:american in 4873) [ClassicSimilarity], result of:
0.024727343 = score(doc=4873,freq=2.0), product of:
0.10940785 = queryWeight, product of:
3.4093587 = idf(docFreq=3973, maxDocs=44218)
0.032090448 = queryNorm
0.22601068 = fieldWeight in 4873, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4093587 = idf(docFreq=3973, maxDocs=44218)
0.046875 = fieldNorm(doc=4873)
0.013450016 = product of:
0.026900033 = sum of:
0.026900033 = weight(_text_:ed in 4873) [ClassicSimilarity], result of:
0.026900033 = score(doc=4873,freq=2.0), product of:
0.11411327 = queryWeight, product of:
3.5559888 = idf(docFreq=3431, maxDocs=44218)
0.032090448 = queryNorm
0.23573098 = fieldWeight in 4873, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5559888 = idf(docFreq=3431, maxDocs=44218)
0.046875 = fieldNorm(doc=4873)
0.5 = coord(1/2)
0.125 = coord(2/16)
- Source
- ASIS'90: Information in the year 2000, from research to applications. Proc. of the 53rd Annual Meeting of the American Society for Information Science, Toronto, Canada, 4.-8.11.1990. Ed. by Diana Henderson