Harman, D.: Automatic indexing (1994)
0.01
0.013559374 = product of:
0.047457807 = sum of:
0.031638537 = weight(_text_:r in 7729) [ClassicSimilarity], result of:
0.031638537 = score(doc=7729,freq=2.0), product of:
0.1081333 = queryWeight, product of:
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.03266612 = queryNorm
0.29258826 = fieldWeight in 7729, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.0625 = fieldNorm(doc=7729)
0.015819268 = product of:
0.031638537 = sum of:
0.031638537 = weight(_text_:r in 7729) [ClassicSimilarity], result of:
0.031638537 = score(doc=7729,freq=2.0), product of:
0.1081333 = queryWeight, product of:
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.03266612 = queryNorm
0.29258826 = fieldWeight in 7729, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.3102584 = idf(docFreq=4387, maxDocs=44218)
0.0625 = fieldNorm(doc=7729)
0.5 = coord(1/2)
0.2857143 = coord(2/7)
- Source
- Challenges in indexing electronic text and images. Ed.: R. Fidel et al