-
Walker, S.: ¬The Okapi online catalogue research projects (1989)
0.08
0.078184776 = product of:
0.109458685 = sum of:
0.025528383 = product of:
0.051056765 = sum of:
0.051056765 = weight(_text_:k in 1942) [ClassicSimilarity], result of:
0.051056765 = score(doc=1942,freq=2.0), product of:
0.1294515 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.03626318 = queryNorm
0.39440846 = fieldWeight in 1942, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.078125 = fieldNorm(doc=1942)
0.5 = coord(1/2)
0.008203147 = weight(_text_:s in 1942) [ClassicSimilarity], result of:
0.008203147 = score(doc=1942,freq=6.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.20806074 = fieldWeight in 1942, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.078125 = fieldNorm(doc=1942)
0.042958204 = weight(_text_:u in 1942) [ClassicSimilarity], result of:
0.042958204 = score(doc=1942,freq=2.0), product of:
0.11874176 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03626318 = queryNorm
0.3617784 = fieldWeight in 1942, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.078125 = fieldNorm(doc=1942)
0.008203147 = weight(_text_:s in 1942) [ClassicSimilarity], result of:
0.008203147 = score(doc=1942,freq=6.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.20806074 = fieldWeight in 1942, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.078125 = fieldNorm(doc=1942)
0.024565801 = product of:
0.049131602 = sum of:
0.049131602 = weight(_text_:22 in 1942) [ClassicSimilarity], result of:
0.049131602 = score(doc=1942,freq=2.0), product of:
0.12698747 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03626318 = queryNorm
0.38690117 = fieldWeight in 1942, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.078125 = fieldNorm(doc=1942)
0.5 = coord(1/2)
0.71428573 = coord(5/7)
- Date
- 16. 8.1998 11:22:08
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.424-435.
- Pages
- S.84-106
-
Walker, S.: Improving subject access painlessly : recent work on the Okapi online catalogue projects (1988)
0.03
0.02603073 = product of:
0.06073837 = sum of:
0.010716545 = weight(_text_:s in 7403) [ClassicSimilarity], result of:
0.010716545 = score(doc=7403,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.2718094 = fieldWeight in 7403, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=7403)
0.010716545 = weight(_text_:s in 7403) [ClassicSimilarity], result of:
0.010716545 = score(doc=7403,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.2718094 = fieldWeight in 7403, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=7403)
0.03930528 = product of:
0.07861056 = sum of:
0.07861056 = weight(_text_:22 in 7403) [ClassicSimilarity], result of:
0.07861056 = score(doc=7403,freq=2.0), product of:
0.12698747 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03626318 = queryNorm
0.61904186 = fieldWeight in 7403, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=7403)
0.5 = coord(1/2)
0.42857143 = coord(3/7)
- Source
- Program. 22(1988), S.21-31
-
Walker, S.: Subject access in online catalogues (1991)
0.02
0.019321332 = product of:
0.045083106 = sum of:
0.0053582727 = weight(_text_:s in 5690) [ClassicSimilarity], result of:
0.0053582727 = score(doc=5690,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.1359047 = fieldWeight in 5690, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=5690)
0.034366563 = weight(_text_:u in 5690) [ClassicSimilarity], result of:
0.034366563 = score(doc=5690,freq=2.0), product of:
0.11874176 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03626318 = queryNorm
0.28942272 = fieldWeight in 5690, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0625 = fieldNorm(doc=5690)
0.0053582727 = weight(_text_:s in 5690) [ClassicSimilarity], result of:
0.0053582727 = score(doc=5690,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.1359047 = fieldWeight in 5690, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=5690)
0.42857143 = coord(3/7)
- Pages
- S.23-33
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Hancock-Beaulieu, M.; Walker, S.: ¬An evaluation of automatic query expansion in an online library catalogue (1992)
0.02
0.016906166 = product of:
0.03944772 = sum of:
0.004688489 = weight(_text_:s in 2731) [ClassicSimilarity], result of:
0.004688489 = score(doc=2731,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.118916616 = fieldWeight in 2731, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=2731)
0.030070743 = weight(_text_:u in 2731) [ClassicSimilarity], result of:
0.030070743 = score(doc=2731,freq=2.0), product of:
0.11874176 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.03626318 = queryNorm
0.25324488 = fieldWeight in 2731, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0546875 = fieldNorm(doc=2731)
0.004688489 = weight(_text_:s in 2731) [ClassicSimilarity], result of:
0.004688489 = score(doc=2731,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.118916616 = fieldWeight in 2731, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0546875 = fieldNorm(doc=2731)
0.42857143 = coord(3/7)
- Source
- Journal of documentation. 48(1992) no.4, S.406-421
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Walker, S.: Okapi : Evaluating and enhancing an experimental online catalog (1987)
0.01
0.0061237407 = product of:
0.02143309 = sum of:
0.010716545 = weight(_text_:s in 373) [ClassicSimilarity], result of:
0.010716545 = score(doc=373,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.2718094 = fieldWeight in 373, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=373)
0.010716545 = weight(_text_:s in 373) [ClassicSimilarity], result of:
0.010716545 = score(doc=373,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.2718094 = fieldWeight in 373, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=373)
0.2857143 = coord(2/7)
- Source
- Library trends. 35(1987), S.631-645
-
Walker, S.: Ease of use in online catalogues : a plea for the user (1986)
0.01
0.0061237407 = product of:
0.02143309 = sum of:
0.010716545 = weight(_text_:s in 375) [ClassicSimilarity], result of:
0.010716545 = score(doc=375,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.2718094 = fieldWeight in 375, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=375)
0.010716545 = weight(_text_:s in 375) [ClassicSimilarity], result of:
0.010716545 = score(doc=375,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.2718094 = fieldWeight in 375, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=375)
0.2857143 = coord(2/7)
- Pages
- S.79-90
-
Walker, S.: ¬The free language approach to online catalogues (1985)
0.01
0.0061237407 = product of:
0.02143309 = sum of:
0.010716545 = weight(_text_:s in 383) [ClassicSimilarity], result of:
0.010716545 = score(doc=383,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.2718094 = fieldWeight in 383, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=383)
0.010716545 = weight(_text_:s in 383) [ClassicSimilarity], result of:
0.010716545 = score(doc=383,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.2718094 = fieldWeight in 383, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.125 = fieldNorm(doc=383)
0.2857143 = coord(2/7)
- Pages
- S.31-49
-
Mitev, N.N.; Walker, S.: Information retrieval aids in an online public access catalogue : automatic intelligent search sequencing (1985)
0.00
0.004592805 = product of:
0.016074818 = sum of:
0.008037409 = weight(_text_:s in 337) [ClassicSimilarity], result of:
0.008037409 = score(doc=337,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.20385705 = fieldWeight in 337, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=337)
0.008037409 = weight(_text_:s in 337) [ClassicSimilarity], result of:
0.008037409 = score(doc=337,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.20385705 = fieldWeight in 337, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=337)
0.2857143 = coord(2/7)
- Pages
- S.215-226
-
Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000)
0.00
0.004592805 = product of:
0.016074818 = sum of:
0.008037409 = weight(_text_:s in 6030) [ClassicSimilarity], result of:
0.008037409 = score(doc=6030,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.20385705 = fieldWeight in 6030, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=6030)
0.008037409 = weight(_text_:s in 6030) [ClassicSimilarity], result of:
0.008037409 = score(doc=6030,freq=4.0), product of:
0.03942669 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03626318 = queryNorm
0.20385705 = fieldWeight in 6030, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=6030)
0.2857143 = coord(2/7)
- Source
- Information processing and management. 36(2000) no.1, S.95-108
