Aitchison, T.M.: Comparative evaluation of index languages : Part I, Design. Part II, Results (1969)
0.02
0.016463611 = product of:
0.032927223 = sum of:
0.032927223 = product of:
0.09878167 = sum of:
0.09878167 = weight(_text_:i in 561) [ClassicSimilarity], result of:
0.09878167 = score(doc=561,freq=2.0), product of:
0.16931784 = queryWeight, product of:
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.044891298 = queryNorm
0.58340967 = fieldWeight in 561, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7717297 = idf(docFreq=2765, maxDocs=44218)
0.109375 = fieldNorm(doc=561)
0.33333334 = coord(1/3)
0.5 = coord(1/2)