Berry, M.W.; Browne, M.: Understanding search engines : mathematical modeling and text retrieval (2005)
0.01
0.006704844 = product of:
0.053638753 = sum of:
0.044672076 = weight(_text_:2nd in 7) [ClassicSimilarity], result of:
0.044672076 = score(doc=7,freq=2.0), product of:
0.18010403 = queryWeight, product of:
5.6123877 = idf(docFreq=438, maxDocs=44218)
0.032090448 = queryNorm
0.24803483 = fieldWeight in 7, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.6123877 = idf(docFreq=438, maxDocs=44218)
0.03125 = fieldNorm(doc=7)
0.008966677 = product of:
0.017933354 = sum of:
0.017933354 = weight(_text_:ed in 7) [ClassicSimilarity], result of:
0.017933354 = score(doc=7,freq=2.0), product of:
0.11411327 = queryWeight, product of:
3.5559888 = idf(docFreq=3431, maxDocs=44218)
0.032090448 = queryNorm
0.15715398 = fieldWeight in 7, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5559888 = idf(docFreq=3431, maxDocs=44218)
0.03125 = fieldNorm(doc=7)
0.5 = coord(1/2)
0.125 = coord(2/16)
- Issue
- 2nd ed.