-
Al-Hawamdeh, S.; Smith, G.; Willett, P.; Vere, R. de: Using nearest-neighbour searching techniques to access full-text documents (1991)
0.01
0.010660393 = product of:
0.053301964 = sum of:
0.053301964 = weight(_text_:g in 2300) [ClassicSimilarity], result of:
0.053301964 = score(doc=2300,freq=2.0), product of:
0.1605568 = queryWeight, product of:
3.7559474 = idf(docFreq=2809, maxDocs=44218)
0.04274735 = queryNorm
0.331982 = fieldWeight in 2300, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7559474 = idf(docFreq=2809, maxDocs=44218)
0.0625 = fieldNorm(doc=2300)
0.2 = coord(1/5)
-
Jones, G.; Robertson, A.M.; Willett, P.: ¬An introduction to genetic algorithms and to their use in information retrieval (1994)
0.01
0.010660393 = product of:
0.053301964 = sum of:
0.053301964 = weight(_text_:g in 7415) [ClassicSimilarity], result of:
0.053301964 = score(doc=7415,freq=2.0), product of:
0.1605568 = queryWeight, product of:
3.7559474 = idf(docFreq=2809, maxDocs=44218)
0.04274735 = queryNorm
0.331982 = fieldWeight in 7415, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.7559474 = idf(docFreq=2809, maxDocs=44218)
0.0625 = fieldNorm(doc=7415)
0.2 = coord(1/5)
-
Robertson, M.; Willett, P.: ¬An upperbound to the performance of ranked output searching : optimal weighting of query terms using a genetic algorithms (1996)
0.00
0.004679415 = product of:
0.023397075 = sum of:
0.023397075 = weight(_text_:m in 6977) [ClassicSimilarity], result of:
0.023397075 = score(doc=6977,freq=2.0), product of:
0.106374584 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.04274735 = queryNorm
0.21994986 = fieldWeight in 6977, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.0625 = fieldNorm(doc=6977)
0.2 = coord(1/5)