Markey, K.; Atherton, P.; Newton, C.: ¬An analysis of controlled vocabulary and free text search statements in online searches (1980)
0.00
0.004095709 = product of:
0.008191418 = sum of:
0.008191418 = product of:
0.016382836 = sum of:
0.016382836 = weight(_text_:e in 1401) [ClassicSimilarity], result of:
0.016382836 = score(doc=1401,freq=2.0), product of:
0.07368642 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.05126476 = queryNorm
0.2223318 = fieldWeight in 1401, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.109375 = fieldNorm(doc=1401)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Language
- e