-
Swanson, D.R.: Searching natural language by computer (1960)
5.18
5.184806 = sum of:
5.184806 = weight(author_txt:swanson in 403) [ClassicSimilarity], result of:
5.184806 = fieldWeight in 403, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.29569 = idf(docFreq=29, maxDocs=44218)
0.625 = fieldNorm(doc=403)
-
Swanson, D.R.: Requirements study for future catalogs (1972)
5.18
5.184806 = sum of:
5.184806 = weight(author_txt:swanson in 680) [ClassicSimilarity], result of:
5.184806 = fieldWeight in 680, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.29569 = idf(docFreq=29, maxDocs=44218)
0.625 = fieldNorm(doc=680)
-
Swanson, D.R.: Subjective versus objective relevance in bibliographic retrieval systems (1986)
5.18
5.184806 = sum of:
5.184806 = weight(author_txt:swanson in 838) [ClassicSimilarity], result of:
5.184806 = fieldWeight in 838, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.29569 = idf(docFreq=29, maxDocs=44218)
0.625 = fieldNorm(doc=838)
-
Swanson, D.R.: Information retrieval as a trial-and-error process (1977)
5.18
5.184806 = sum of:
5.184806 = weight(author_txt:swanson in 1291) [ClassicSimilarity], result of:
5.184806 = fieldWeight in 1291, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.29569 = idf(docFreq=29, maxDocs=44218)
0.625 = fieldNorm(doc=1291)
-
Swanson, D.R.: Some unexplained aspects of the Cranfield tests of indexing performance factors (1971)
5.18
5.184806 = sum of:
5.184806 = weight(author_txt:swanson in 2337) [ClassicSimilarity], result of:
5.184806 = fieldWeight in 2337, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.29569 = idf(docFreq=29, maxDocs=44218)
0.625 = fieldNorm(doc=2337)
-
Keen, M.: Cyril W. Cleverdon (1998)
0.54
0.5403948 = sum of:
0.5403948 = product of:
2.1615791 = sum of:
2.1615791 = weight(abstract_txt:cranfield in 1059) [ClassicSimilarity], result of:
2.1615791 = score(doc=1059,freq=1.0), product of:
0.8371217 = queryWeight, product of:
2.3727453 = boost
8.2629 = idf(docFreq=30, maxDocs=44218)
0.042697746 = queryNorm
2.5821564 = fieldWeight in 1059, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.2629 = idf(docFreq=30, maxDocs=44218)
0.3125 = fieldNorm(doc=1059)
0.25 = coord(1/4)
-
Fugmann, R.: ¬The empirical approach in the evaluation of information systems (1999)
0.48
0.48256916 = sum of:
0.48256916 = product of:
0.9651383 = sum of:
0.20858565 = weight(abstract_txt:evidence in 4115) [ClassicSimilarity], result of:
0.20858565 = score(doc=4115,freq=1.0), product of:
0.3546109 = queryWeight, product of:
1.5443043 = boost
5.377919 = idf(docFreq=554, maxDocs=44218)
0.042697746 = queryNorm
0.5882099 = fieldWeight in 4115, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.377919 = idf(docFreq=554, maxDocs=44218)
0.109375 = fieldNorm(doc=4115)
0.7565527 = weight(abstract_txt:cranfield in 4115) [ClassicSimilarity], result of:
0.7565527 = score(doc=4115,freq=1.0), product of:
0.8371217 = queryWeight, product of:
2.3727453 = boost
8.2629 = idf(docFreq=30, maxDocs=44218)
0.042697746 = queryNorm
0.9037547 = fieldWeight in 4115, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.2629 = idf(docFreq=30, maxDocs=44218)
0.109375 = fieldNorm(doc=4115)
0.5 = coord(2/4)
-
Voorhees, E.M.: On test collections for adaptive information retrieval (2008)
0.46
0.4566117 = sum of:
0.4566117 = product of:
0.9132234 = sum of:
0.14898974 = weight(abstract_txt:evidence in 2444) [ClassicSimilarity], result of:
0.14898974 = score(doc=2444,freq=1.0), product of:
0.3546109 = queryWeight, product of:
1.5443043 = boost
5.377919 = idf(docFreq=554, maxDocs=44218)
0.042697746 = queryNorm
0.42014992 = fieldWeight in 2444, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.377919 = idf(docFreq=554, maxDocs=44218)
0.078125 = fieldNorm(doc=2444)
0.76423365 = weight(abstract_txt:cranfield in 2444) [ClassicSimilarity], result of:
0.76423365 = score(doc=2444,freq=2.0), product of:
0.8371217 = queryWeight, product of:
2.3727453 = boost
8.2629 = idf(docFreq=30, maxDocs=44218)
0.042697746 = queryNorm
0.91293013 = fieldWeight in 2444, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
8.2629 = idf(docFreq=30, maxDocs=44218)
0.078125 = fieldNorm(doc=2444)
0.5 = coord(2/4)
-
Harter, S.P.; Hert, C.A.: Evaluation of information retrieval systems : approaches, issues, and methods (1997)
0.30
0.3020899 = sum of:
0.3020899 = product of:
1.2083596 = sum of:
1.2083596 = weight(abstract_txt:cranfield in 2264) [ClassicSimilarity], result of:
1.2083596 = score(doc=2264,freq=5.0), product of:
0.8371217 = queryWeight, product of:
2.3727453 = boost
8.2629 = idf(docFreq=30, maxDocs=44218)
0.042697746 = queryNorm
1.4434694 = fieldWeight in 2264, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
8.2629 = idf(docFreq=30, maxDocs=44218)
0.078125 = fieldNorm(doc=2264)
0.25 = coord(1/4)
-
Lopez-Pujalte, C.; Guerrero Bote, V.P.; Moya-Anegón, F. de: Evaluation of the application of genetic algorithms to relevance feedback (2003)
0.30
0.29880244 = sum of:
0.29880244 = product of:
0.5976049 = sum of:
0.057210114 = weight(abstract_txt:results in 2756) [ClassicSimilarity], result of:
0.057210114 = score(doc=2756,freq=2.0), product of:
0.14869158 = queryWeight, product of:
3.482422 = idf(docFreq=3693, maxDocs=44218)
0.042697746 = queryNorm
0.38475692 = fieldWeight in 2756, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.482422 = idf(docFreq=3693, maxDocs=44218)
0.078125 = fieldNorm(doc=2756)
0.5403948 = weight(abstract_txt:cranfield in 2756) [ClassicSimilarity], result of:
0.5403948 = score(doc=2756,freq=1.0), product of:
0.8371217 = queryWeight, product of:
2.3727453 = boost
8.2629 = idf(docFreq=30, maxDocs=44218)
0.042697746 = queryNorm
0.6455391 = fieldWeight in 2756, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.2629 = idf(docFreq=30, maxDocs=44218)
0.078125 = fieldNorm(doc=2756)
0.5 = coord(2/4)