
Swanson, D.R.: Searching natural language by computer (1960)
5.16
5.163558 = sum of:
5.163558 = weight(author_txt:swanson in 403) [ClassicSimilarity], result of:
5.163558 = fieldWeight in 403, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.261693 = idf(docFreq=29, maxDocs=42740)
0.625 = fieldNorm(doc=403)

Swanson, D.R.: Requirements study for future catalogs (1972)
5.16
5.163558 = sum of:
5.163558 = weight(author_txt:swanson in 680) [ClassicSimilarity], result of:
5.163558 = fieldWeight in 680, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.261693 = idf(docFreq=29, maxDocs=42740)
0.625 = fieldNorm(doc=680)

Swanson, D.R.: Subjective versus objective relevance in bibliographic retrieval systems (1986)
5.16
5.163558 = sum of:
5.163558 = weight(author_txt:swanson in 838) [ClassicSimilarity], result of:
5.163558 = fieldWeight in 838, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.261693 = idf(docFreq=29, maxDocs=42740)
0.625 = fieldNorm(doc=838)

Swanson, D.R.: Information retrieval as a trialanderror process (1977)
5.16
5.163558 = sum of:
5.163558 = weight(author_txt:swanson in 1291) [ClassicSimilarity], result of:
5.163558 = fieldWeight in 1291, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.261693 = idf(docFreq=29, maxDocs=42740)
0.625 = fieldNorm(doc=1291)

Swanson, D.R.: Some unexplained aspects of the Cranfield tests of indexing performance factors (1971)
5.16
5.163558 = sum of:
5.163558 = weight(author_txt:swanson in 2337) [ClassicSimilarity], result of:
5.163558 = fieldWeight in 2337, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.261693 = idf(docFreq=29, maxDocs=42740)
0.625 = fieldNorm(doc=2337)

Keen, M.: Cyril W. Cleverdon (1998)
0.55
0.5454149 = sum of:
0.5454149 = product of:
2.1816597 = sum of:
2.1816597 = weight(abstract_txt:cranfield in 2060) [ClassicSimilarity], result of:
2.1816597 = score(doc=2060,freq=1.0), product of:
0.8380236 = queryWeight, product of:
2.3752816 = boost
8.330686 = idf(docFreq=27, maxDocs=42740)
0.042350683 = queryNorm
2.6033392 = fieldWeight in 2060, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.330686 = idf(docFreq=27, maxDocs=42740)
0.3125 = fieldNorm(doc=2060)
0.25 = coord(1/4)

Fugmann, R.: ¬The empirical approach in the evaluation of information systems (1999)
0.49
0.4891802 = sum of:
0.4891802 = product of:
0.9783604 = sum of:
0.2147795 = weight(abstract_txt:evidence in 5116) [ClassicSimilarity], result of:
0.2147795 = score(doc=5116,freq=1.0), product of:
0.35976157 = queryWeight, product of:
1.5563037 = boost
5.4583325 = idf(docFreq=494, maxDocs=42740)
0.042350683 = queryNorm
0.5970051 = fieldWeight in 5116, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.4583325 = idf(docFreq=494, maxDocs=42740)
0.109375 = fieldNorm(doc=5116)
0.7635809 = weight(abstract_txt:cranfield in 5116) [ClassicSimilarity], result of:
0.7635809 = score(doc=5116,freq=1.0), product of:
0.8380236 = queryWeight, product of:
2.3752816 = boost
8.330686 = idf(docFreq=27, maxDocs=42740)
0.042350683 = queryNorm
0.91116875 = fieldWeight in 5116, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.330686 = idf(docFreq=27, maxDocs=42740)
0.109375 = fieldNorm(doc=5116)
0.5 = coord(2/4)

Voorhees, E.M.: On test collections for adaptive information retrieval (2008)
0.46
0.46237355 = sum of:
0.46237355 = product of:
0.9247471 = sum of:
0.15341392 = weight(abstract_txt:evidence in 4445) [ClassicSimilarity], result of:
0.15341392 = score(doc=4445,freq=1.0), product of:
0.35976157 = queryWeight, product of:
1.5563037 = boost
5.4583325 = idf(docFreq=494, maxDocs=42740)
0.042350683 = queryNorm
0.42643222 = fieldWeight in 4445, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
5.4583325 = idf(docFreq=494, maxDocs=42740)
0.078125 = fieldNorm(doc=4445)
0.77133316 = weight(abstract_txt:cranfield in 4445) [ClassicSimilarity], result of:
0.77133316 = score(doc=4445,freq=2.0), product of:
0.8380236 = queryWeight, product of:
2.3752816 = boost
8.330686 = idf(docFreq=27, maxDocs=42740)
0.042350683 = queryNorm
0.9204194 = fieldWeight in 4445, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
8.330686 = idf(docFreq=27, maxDocs=42740)
0.078125 = fieldNorm(doc=4445)
0.5 = coord(2/4)

Harter, S.P.; Hert, C.A.: Evaluation of information retrieval systems : approaches, issues, and methods (1997)
0.30
0.3048962 = sum of:
0.3048962 = product of:
1.2195848 = sum of:
1.2195848 = weight(abstract_txt:cranfield in 3265) [ClassicSimilarity], result of:
1.2195848 = score(doc=3265,freq=5.0), product of:
0.8380236 = queryWeight, product of:
2.3752816 = boost
8.330686 = idf(docFreq=27, maxDocs=42740)
0.042350683 = queryNorm
1.4553108 = fieldWeight in 3265, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
8.330686 = idf(docFreq=27, maxDocs=42740)
0.078125 = fieldNorm(doc=3265)
0.25 = coord(1/4)

LopezPujalte, C.; Guerrero Bote, V.P.; MoyaAnegón, F. de: Evaluation of the application of genetic algorithms to relevance feedback (2003)
0.30
0.30148587 = sum of:
0.30148587 = product of:
0.60297173 = sum of:
0.057556808 = weight(abstract_txt:results in 3757) [ClassicSimilarity], result of:
0.057556808 = score(doc=3757,freq=2.0), product of:
0.14853406 = queryWeight, product of:
3.5072412 = idf(docFreq=3482, maxDocs=42740)
0.042350683 = queryNorm
0.38749906 = fieldWeight in 3757, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5072412 = idf(docFreq=3482, maxDocs=42740)
0.078125 = fieldNorm(doc=3757)
0.5454149 = weight(abstract_txt:cranfield in 3757) [ClassicSimilarity], result of:
0.5454149 = score(doc=3757,freq=1.0), product of:
0.8380236 = queryWeight, product of:
2.3752816 = boost
8.330686 = idf(docFreq=27, maxDocs=42740)
0.042350683 = queryNorm
0.6508348 = fieldWeight in 3757, product of:
1.0 = tf(freq=1.0), with freq of:
1.0 = termFreq=1.0
8.330686 = idf(docFreq=27, maxDocs=42740)
0.078125 = fieldNorm(doc=3757)
0.5 = coord(2/4)