-
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
0.009404767 = product of:
0.018809535 = sum of:
0.018809535 = product of:
0.03761907 = sum of:
0.03761907 = weight(_text_:m in 4379) [ClassicSimilarity], result of:
0.03761907 = score(doc=4379,freq=2.0), product of:
0.114023164 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.045820985 = 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
0.007837306 = product of:
0.015674612 = sum of:
0.015674612 = product of:
0.031349223 = sum of:
0.031349223 = weight(_text_:m in 809) [ClassicSimilarity], result of:
0.031349223 = score(doc=809,freq=2.0), product of:
0.114023164 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.045820985 = 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)
0.01
0.0062698447 = product of:
0.012539689 = sum of:
0.012539689 = product of:
0.025079379 = sum of:
0.025079379 = weight(_text_:m in 7445) [ClassicSimilarity], result of:
0.025079379 = score(doc=7445,freq=2.0), product of:
0.114023164 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.045820985 = 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)
0.01
0.005486114 = product of:
0.010972228 = sum of:
0.010972228 = product of:
0.021944456 = sum of:
0.021944456 = weight(_text_:m in 2216) [ClassicSimilarity], result of:
0.021944456 = score(doc=2216,freq=2.0), product of:
0.114023164 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.045820985 = 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)
0.01
0.005486114 = product of:
0.010972228 = sum of:
0.010972228 = product of:
0.021944456 = sum of:
0.021944456 = weight(_text_:m in 2998) [ClassicSimilarity], result of:
0.021944456 = score(doc=2998,freq=2.0), product of:
0.114023164 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.045820985 = 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)
0.01
0.005486114 = product of:
0.010972228 = sum of:
0.010972228 = product of:
0.021944456 = sum of:
0.021944456 = weight(_text_:m in 430) [ClassicSimilarity], result of:
0.021944456 = score(doc=430,freq=2.0), product of:
0.114023164 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.045820985 = 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)
0.01
0.005486114 = product of:
0.010972228 = sum of:
0.010972228 = product of:
0.021944456 = sum of:
0.021944456 = weight(_text_:m in 4704) [ClassicSimilarity], result of:
0.021944456 = score(doc=4704,freq=2.0), product of:
0.114023164 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.045820985 = 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)
-
Beaulieu, M.; Payne, A.; Do, T.; Jones, S.: ENQUIRE Okapi project (1996)
0.00
0.0047023837 = product of:
0.009404767 = sum of:
0.009404767 = product of:
0.018809535 = sum of:
0.018809535 = weight(_text_:m in 3369) [ClassicSimilarity], result of:
0.018809535 = score(doc=3369,freq=2.0), product of:
0.114023164 = queryWeight, product of:
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.045820985 = queryNorm
0.1649624 = fieldWeight in 3369, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4884486 = idf(docFreq=9980, maxDocs=44218)
0.046875 = fieldNorm(doc=3369)
0.5 = coord(1/2)
0.5 = coord(1/2)