-
Bellardo, T.: Scientific research in online retrieval : a critical review (1981)
0.00
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = product of:
0.009625752 = sum of:
0.009625752 = weight(_text_:s in 3296) [ClassicSimilarity], result of:
0.009625752 = score(doc=3296,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.19219826 = fieldWeight in 3296, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=3296)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Library research. 2(1981), S.231-237
-
Bellardo, T.: Subject indexing : an introductory guide (1991)
0.00
0.0021270108 = product of:
0.0042540217 = sum of:
0.0042540217 = product of:
0.008508043 = sum of:
0.008508043 = weight(_text_:s in 4182) [ClassicSimilarity], result of:
0.008508043 = score(doc=4182,freq=4.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.16988087 = fieldWeight in 4182, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.078125 = fieldNorm(doc=4182)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Footnote
- Rez. in: JASIS 44(1993) no.2, S.117-119 (B.H. Weinberg)
- Pages
- 72 S
-
Bellardo, T.; Saracevic, T.: Online searching and search output : relationships between overlap, relevance, recall and precision (1987)
0.00
9.0241426E-4 = product of:
0.0018048285 = sum of:
0.0018048285 = product of:
0.003609657 = sum of:
0.003609657 = weight(_text_:s in 4150) [ClassicSimilarity], result of:
0.003609657 = score(doc=4150,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.072074346 = fieldWeight in 4150, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=4150)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Pages
- S.11-13