-
Beaulieu, M.; Borgman, C.L.: ¬A new era for OPAC research : introduction to special topic issue on current research in Online Public Access Systems (1996)
0.01
0.007060799 = product of:
0.014121598 = sum of:
0.014121598 = product of:
0.028243195 = sum of:
0.028243195 = weight(_text_:m in 4379) [ClassicSimilarity], result of:
0.028243195 = score(doc=4379,freq=2.0), product of:
0.08560495 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.034400932 = queryNorm
0.3299248 = fieldWeight in 4379, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.09375 = fieldNorm(doc=4379)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Beaulieu, M.: Masterpieces of science (1997)
0.01
0.005883999 = product of:
0.011767998 = sum of:
0.011767998 = product of:
0.023535997 = sum of:
0.023535997 = weight(_text_:m in 809) [ClassicSimilarity], result of:
0.023535997 = score(doc=809,freq=2.0), product of:
0.08560495 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.034400932 = queryNorm
0.27493733 = fieldWeight in 809, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.078125 = fieldNorm(doc=809)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Robertson, S.E.; Beaulieu, M.: Research and evaluation in information retrieval (1997)
0.00
0.004707199 = product of:
0.009414398 = sum of:
0.009414398 = product of:
0.018828796 = sum of:
0.018828796 = weight(_text_:m in 7445) [ClassicSimilarity], result of:
0.018828796 = score(doc=7445,freq=2.0), product of:
0.08560495 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.034400932 = queryNorm
0.21994986 = fieldWeight in 7445, 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=7445)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Robertson, S.E.; Walker, S.; Beaulieu, M.: Laboratory experiments with Okapi : participation in the TREC programme (1997)
0.00
0.004118799 = product of:
0.008237598 = sum of:
0.008237598 = product of:
0.016475197 = sum of:
0.016475197 = weight(_text_:m in 2216) [ClassicSimilarity], result of:
0.016475197 = score(doc=2216,freq=2.0), product of:
0.08560495 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.034400932 = queryNorm
0.19245613 = fieldWeight in 2216, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.0546875 = fieldNorm(doc=2216)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Beaulieu, M.; Robertson, S.; Rasmussen, E.: Evaluating interactive systems in TREC (1996)
0.00
0.004118799 = product of:
0.008237598 = sum of:
0.008237598 = product of:
0.016475197 = sum of:
0.016475197 = weight(_text_:m in 2998) [ClassicSimilarity], result of:
0.016475197 = score(doc=2998,freq=2.0), product of:
0.08560495 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.034400932 = queryNorm
0.19245613 = fieldWeight in 2998, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.0546875 = fieldNorm(doc=2998)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Beaulieu, M.; Jones, S.: Interactive searching and interface issues in the Okapi best match probabilistic retrieval system (1998)
0.00
0.004118799 = product of:
0.008237598 = sum of:
0.008237598 = product of:
0.016475197 = sum of:
0.016475197 = weight(_text_:m in 430) [ClassicSimilarity], result of:
0.016475197 = score(doc=430,freq=2.0), product of:
0.08560495 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.034400932 = queryNorm
0.19245613 = fieldWeight in 430, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.0546875 = fieldNorm(doc=430)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Beaulieu, M.: Experiments on interfaces to support query expansion (1997)
0.00
0.004118799 = product of:
0.008237598 = sum of:
0.008237598 = product of:
0.016475197 = sum of:
0.016475197 = weight(_text_:m in 4704) [ClassicSimilarity], result of:
0.016475197 = score(doc=4704,freq=2.0), product of:
0.08560495 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.034400932 = queryNorm
0.19245613 = fieldWeight in 4704, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.0546875 = fieldNorm(doc=4704)
0.5 = coord(1/2)
0.5 = coord(1/2)