-
Ensor, P.: User characteristics of keyword searching in an OPAC (1992)
0.00
0.001203219 = product of:
0.002406438 = sum of:
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = weight(_text_:s in 2278) [ClassicSimilarity], result of:
0.004812876 = score(doc=2278,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 2278, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=2278)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- College and research libraries. 53(1992) no.1, S.72-80
-
Ensor, P.: User practices in keyword and Boolean searching on an online public access catalog (1992)
0.00
0.001203219 = product of:
0.002406438 = sum of:
0.002406438 = product of:
0.004812876 = sum of:
0.004812876 = weight(_text_:s in 2416) [ClassicSimilarity], result of:
0.004812876 = score(doc=2416,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.09609913 = fieldWeight in 2416, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=2416)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information technology and libraries. 11(1992) no.3, S.210-219
-
Ensor, P.: Knowledge level of users and nonusers of keyword/Boolean searching on an online public access catalog (1992)
0.00
0.0010528166 = product of:
0.0021056333 = sum of:
0.0021056333 = product of:
0.0042112665 = sum of:
0.0042112665 = weight(_text_:s in 3289) [ClassicSimilarity], result of:
0.0042112665 = score(doc=3289,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.08408674 = fieldWeight in 3289, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=3289)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- RQ. 32(1992) no.1, S.60-74