-
Walker, S.; Jones, R.M.: Improving subject retrieval in online catalogues : T.1: Stemming, automatic spelling correction and cross-reference tables (1987)
0.00
0.0036325501 = product of:
0.041774325 = sum of:
0.030324245 = weight(_text_:im in 2141) [ClassicSimilarity], result of:
0.030324245 = score(doc=2141,freq=2.0), product of:
0.06935279 = queryWeight, product of:
2.8267863 = idf(docFreq=7115, maxDocs=44218)
0.024534147 = queryNorm
0.4372462 = fieldWeight in 2141, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.8267863 = idf(docFreq=7115, maxDocs=44218)
0.109375 = fieldNorm(doc=2141)
0.011450079 = product of:
0.022900159 = sum of:
0.022900159 = weight(_text_:1 in 2141) [ClassicSimilarity], result of:
0.022900159 = score(doc=2141,freq=2.0), product of:
0.060268197 = queryWeight, product of:
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.024534147 = queryNorm
0.37997085 = fieldWeight in 2141, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.109375 = fieldNorm(doc=2141)
0.5 = coord(1/2)
0.08695652 = coord(2/23)
- Theme
- Verbale Doksprachen im Online-Retrieval
-
Sparck Jones, K.; Walker, S.; Robertson, S.E.: ¬A probabilistic model of information retrieval : development and comparative experiments - part 1 (2000)
0.00
0.0026034457 = product of:
0.059879247 = sum of:
0.059879247 = sum of:
0.019628707 = weight(_text_:1 in 4181) [ClassicSimilarity], result of:
0.019628707 = score(doc=4181,freq=2.0), product of:
0.060268197 = queryWeight, product of:
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.024534147 = queryNorm
0.32568932 = fieldWeight in 4181, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.09375 = fieldNorm(doc=4181)
0.04025054 = weight(_text_:29 in 4181) [ClassicSimilarity], result of:
0.04025054 = score(doc=4181,freq=2.0), product of:
0.08630346 = queryWeight, product of:
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.024534147 = queryNorm
0.46638384 = fieldWeight in 4181, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5176873 = idf(docFreq=3565, maxDocs=44218)
0.09375 = fieldNorm(doc=4181)
0.04347826 = coord(1/23)
- Date
- 27.12.2007 19:27:29
-
Walker, S.: Views on classification as a search tool on a computer (1991)
0.00
0.002236497 = product of:
0.025719713 = sum of:
0.015162122 = weight(_text_:im in 4837) [ClassicSimilarity], result of:
0.015162122 = score(doc=4837,freq=2.0), product of:
0.06935279 = queryWeight, product of:
2.8267863 = idf(docFreq=7115, maxDocs=44218)
0.024534147 = queryNorm
0.2186231 = fieldWeight in 4837, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.8267863 = idf(docFreq=7115, maxDocs=44218)
0.0546875 = fieldNorm(doc=4837)
0.010557592 = product of:
0.021115184 = sum of:
0.021115184 = weight(_text_:international in 4837) [ClassicSimilarity], result of:
0.021115184 = score(doc=4837,freq=2.0), product of:
0.081842974 = queryWeight, product of:
3.33588 = idf(docFreq=4276, maxDocs=44218)
0.024534147 = queryNorm
0.2579963 = fieldWeight in 4837, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.33588 = idf(docFreq=4276, maxDocs=44218)
0.0546875 = fieldNorm(doc=4837)
0.5 = coord(1/2)
0.08695652 = coord(2/23)
- Source
- Computers in libraries international 91. Proc. of the 5th Annual Conference on Computers in Libraries, London, February 1991
- Theme
- Klassifikationssysteme im Online-Retrieval
-
Jones, S.; Gatford, M.; Robertson, S.; Hancock-Beaulieu, M.; Secker, J.; Walker, S.: Interactive thesaurus navigation : intelligence rules OK? (1995)
0.00
0.0013083417 = product of:
0.01504593 = sum of:
0.00932089 = weight(_text_:und in 180) [ClassicSimilarity], result of:
0.00932089 = score(doc=180,freq=2.0), product of:
0.054376673 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.024534147 = queryNorm
0.17141339 = fieldWeight in 180, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.0546875 = fieldNorm(doc=180)
0.0057250396 = product of:
0.011450079 = sum of:
0.011450079 = weight(_text_:1 in 180) [ClassicSimilarity], result of:
0.011450079 = score(doc=180,freq=2.0), product of:
0.060268197 = queryWeight, product of:
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.024534147 = queryNorm
0.18998542 = fieldWeight in 180, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.0546875 = fieldNorm(doc=180)
0.5 = coord(1/2)
0.08695652 = coord(2/23)
- Source
- Journal of the American Society for Information Science. 46(1995) no.1, S.52-59
- Theme
- Konzeption und Anwendung des Prinzips Thesaurus
-
Walker, S.: Improving subject access painlessly : recent work on the Okapi online catalogue projects (1988)
0.00
0.0011561873 = product of:
0.026592307 = sum of:
0.026592307 = product of:
0.053184614 = sum of:
0.053184614 = weight(_text_:22 in 7403) [ClassicSimilarity], result of:
0.053184614 = score(doc=7403,freq=2.0), product of:
0.0859144 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.024534147 = 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)
0.04347826 = coord(1/23)
- Source
- Program. 22(1988), S.21-31
-
Walker, S.: ¬The Okapi online catalogue research projects (1989)
0.00
7.22617E-4 = product of:
0.01662019 = sum of:
0.01662019 = product of:
0.03324038 = sum of:
0.03324038 = weight(_text_:22 in 1942) [ClassicSimilarity], result of:
0.03324038 = score(doc=1942,freq=2.0), product of:
0.0859144 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.024534147 = 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)
0.04347826 = coord(1/23)
- Date
- 16. 8.1998 11:22:08
-
Walker, S.: ¬Der Mensch-Maschine-Dialog bei Online-Benutzer-Katalogen (1987)
0.00
5.6894805E-4 = product of:
0.013085805 = sum of:
0.013085805 = product of:
0.02617161 = sum of:
0.02617161 = weight(_text_:1 in 827) [ClassicSimilarity], result of:
0.02617161 = score(doc=827,freq=2.0), product of:
0.060268197 = queryWeight, product of:
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.024534147 = queryNorm
0.4342524 = fieldWeight in 827, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.125 = fieldNorm(doc=827)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Footnote
- 17-INF-1-G (dt. Übers.)
-
Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000)
0.00
4.2671105E-4 = product of:
0.009814354 = sum of:
0.009814354 = product of:
0.019628707 = sum of:
0.019628707 = weight(_text_:1 in 6030) [ClassicSimilarity], result of:
0.019628707 = score(doc=6030,freq=2.0), product of:
0.060268197 = queryWeight, product of:
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.024534147 = queryNorm
0.32568932 = fieldWeight in 6030, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.09375 = fieldNorm(doc=6030)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Source
- Information processing and management. 36(2000) no.1, S.95-108
-
Walker, S.; DeVere, R.: Improving subject retrieval in online catalogues : T.2: Relevance feedback and query expansion (1990)
0.00
3.5559252E-4 = product of:
0.008178628 = sum of:
0.008178628 = product of:
0.016357256 = sum of:
0.016357256 = weight(_text_:1 in 1816) [ClassicSimilarity], result of:
0.016357256 = score(doc=1816,freq=2.0), product of:
0.060268197 = queryWeight, product of:
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.024534147 = queryNorm
0.27140775 = fieldWeight in 1816, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.078125 = fieldNorm(doc=1816)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Content
- 1. Introduction // 2. Query modification through relevance feedback // 3. System design & description 4. Evaluation // 5. Analysis & results // 6. Conclusions and recommendations
-
Ogden, J.; Summers, E.; Walker, S.: Know(ing) Infrastructure : the wayback machine as object and instrument of digital research (2023)
0.00
3.2787555E-4 = product of:
0.0075411377 = sum of:
0.0075411377 = product of:
0.0150822755 = sum of:
0.0150822755 = weight(_text_:international in 1084) [ClassicSimilarity], result of:
0.0150822755 = score(doc=1084,freq=2.0), product of:
0.081842974 = queryWeight, product of:
3.33588 = idf(docFreq=4276, maxDocs=44218)
0.024534147 = queryNorm
0.18428308 = fieldWeight in 1084, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.33588 = idf(docFreq=4276, maxDocs=44218)
0.0390625 = fieldNorm(doc=1084)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Source
- Convergence: The International Journal of Research into New Media Technologies [https://www.researchgate.net/publication/369660337_Knowing_Infrastructure_The_Wayback_Machine_as_object_and_instrument_of_digital_research]
-
Robertson, S.E.; Walker, S.; Beaulieu, M.: Laboratory experiments with Okapi : participation in the TREC programme (1997)
0.00
2.4891476E-4 = product of:
0.0057250396 = sum of:
0.0057250396 = product of:
0.011450079 = sum of:
0.011450079 = weight(_text_:1 in 2216) [ClassicSimilarity], result of:
0.011450079 = score(doc=2216,freq=2.0), product of:
0.060268197 = queryWeight, product of:
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.024534147 = queryNorm
0.18998542 = fieldWeight in 2216, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.0546875 = fieldNorm(doc=2216)
0.5 = coord(1/2)
0.04347826 = coord(1/23)
- Source
- Journal of documentation. 53(1997) no.1, S.20-34
