Marchionini, G.; Dwiggins, S.; Katz, A.; Lin, X.: Information seeking in full-text and-user-oriented search systems : the roles of domain and search expertise (1993)
0.03
0.031215612 = product of:
0.062431224 = sum of:
0.062431224 = product of:
0.12486245 = sum of:
0.12486245 = weight(_text_:x in 7099) [ClassicSimilarity], result of:
0.12486245 = score(doc=7099,freq=2.0), product of:
0.19116588 = queryWeight, product of:
4.2226825 = idf(docFreq=1761, maxDocs=44218)
0.045271195 = queryNorm
0.65316284 = fieldWeight in 7099, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.2226825 = idf(docFreq=1761, maxDocs=44218)
0.109375 = fieldNorm(doc=7099)
0.5 = coord(1/2)
0.5 = coord(1/2)