White, R.W.; Marchionini, G.; Muresan, G.: Evaluating exploratory search systems : introduction to special topic issue of information processing and management (2008)
0.01
0.00877761 = product of:
0.021944026 = sum of:
0.0083152475 = weight(_text_:a in 5025) [ClassicSimilarity], result of:
0.0083152475 = score(doc=5025,freq=2.0), product of:
0.054392863 = queryWeight, product of:
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.047173154 = queryNorm
0.15287387 = fieldWeight in 5025, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.153047 = idf(docFreq=37942, maxDocs=44218)
0.09375 = fieldNorm(doc=5025)
0.013628778 = product of:
0.027257556 = sum of:
0.027257556 = weight(_text_:information in 5025) [ClassicSimilarity], result of:
0.027257556 = score(doc=5025,freq=4.0), product of:
0.08281143 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.047173154 = queryNorm
0.3291521 = fieldWeight in 5025, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.09375 = fieldNorm(doc=5025)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Source
- Information processing and management. 44(2008) no.2, S.433-436
- Type
- a