Hancock, B.: Subject-specific search engines : using the Harvest system to gather and maintain information on the Internet (1998)
0.02
0.015038766 = product of:
0.060155064 = sum of:
0.060155064 = product of:
0.090232596 = sum of:
0.04532014 = weight(_text_:29 in 3238) [ClassicSimilarity], result of:
0.04532014 = score(doc=3238,freq=2.0), product of:
0.1665831 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.04735586 = queryNorm
0.27205724 = fieldWeight in 3238, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.0546875 = fieldNorm(doc=3238)
0.044912457 = weight(_text_:22 in 3238) [ClassicSimilarity], result of:
0.044912457 = score(doc=3238,freq=2.0), product of:
0.16583216 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04735586 = queryNorm
0.2708308 = fieldWeight in 3238, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0546875 = fieldNorm(doc=3238)
0.6666667 = coord(2/3)
0.25 = coord(1/4)
- Date
- 6. 3.1997 16:22:15
5. 3.1999 19:29:26