Vakkari, P.; Völske, M.; Potthast, M.; Hagen, M.; Stein, B.: Modeling the usefulness of search results as measured by information use (2019)
0.01
0.008767252 = product of:
0.017534504 = sum of:
0.017534504 = product of:
0.035069007 = sum of:
0.035069007 = weight(_text_:b in 5106) [ClassicSimilarity], result of:
0.035069007 = score(doc=5106,freq=2.0), product of:
0.17917687 = queryWeight, product of:
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.05057262 = queryNorm
0.19572285 = fieldWeight in 5106, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.542962 = idf(docFreq=3476, maxDocs=44218)
0.0390625 = fieldNorm(doc=5106)
0.5 = coord(1/2)
0.5 = coord(1/2)