-
Pollard, R.: Hypertext presentation of thesauri used in on-line searching (1990)
0.00
0.001385862 = product of:
0.002771724 = sum of:
0.002771724 = product of:
0.005543448 = sum of:
0.005543448 = weight(_text_:s in 4892) [ClassicSimilarity], result of:
0.005543448 = score(doc=4892,freq=2.0), product of:
0.057684682 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.053056188 = queryNorm
0.09609913 = fieldWeight in 4892, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=4892)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Electronic publishing review. 3(19909) no.3, S.155-172
-
Pollard, R.: ¬A hypertext-based thesaurus as a subject browsing aid for bibliographic databases (1993)
0.00
0.0012126293 = product of:
0.0024252585 = sum of:
0.0024252585 = product of:
0.004850517 = sum of:
0.004850517 = weight(_text_:s in 5096) [ClassicSimilarity], result of:
0.004850517 = score(doc=5096,freq=2.0), product of:
0.057684682 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.053056188 = queryNorm
0.08408674 = fieldWeight in 5096, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=5096)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 29(1993) no.3, S.345-357
-
Tenopir, C.; Wang, P.; Zhang, Y.; Simmons, B.; Pollard, R.: Academic users' interactions with ScienceDirect in search tasks : affective and cognitive behaviors (2008)
0.00
8.6616375E-4 = product of:
0.0017323275 = sum of:
0.0017323275 = product of:
0.003464655 = sum of:
0.003464655 = weight(_text_:s in 2027) [ClassicSimilarity], result of:
0.003464655 = score(doc=2027,freq=2.0), product of:
0.057684682 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.053056188 = queryNorm
0.060061958 = fieldWeight in 2027, 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=2027)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information processing and management. 44(2008) no.1, S.105-121