-
Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987)
0.09
0.08886946 = product of:
0.17773892 = sum of:
0.17773892 = sum of:
0.06422744 = weight(_text_:science in 334) [ClassicSimilarity], result of:
0.06422744 = score(doc=334,freq=2.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.4656509 = fieldWeight in 334, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.125 = fieldNorm(doc=334)
0.11351148 = weight(_text_:22 in 334) [ClassicSimilarity], result of:
0.11351148 = score(doc=334,freq=2.0), product of:
0.1833664 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052363027 = queryNorm
0.61904186 = fieldWeight in 334, 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=334)
0.5 = coord(1/2)
- Source
- Annual review of information science and technology. 22(1987), S.109-145
-
Belkin, N.J.: ¬An overview of results from Rutgers' investigations of interactive information retrieval (1998)
0.03
0.03192856 = product of:
0.06385712 = sum of:
0.06385712 = sum of:
0.028384786 = weight(_text_:science in 2339) [ClassicSimilarity], result of:
0.028384786 = score(doc=2339,freq=4.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.20579056 = fieldWeight in 2339, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.0390625 = fieldNorm(doc=2339)
0.035472337 = weight(_text_:22 in 2339) [ClassicSimilarity], result of:
0.035472337 = score(doc=2339,freq=2.0), product of:
0.1833664 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052363027 = queryNorm
0.19345059 = fieldWeight in 2339, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=2339)
0.5 = coord(1/2)
- Date
- 22. 9.1997 19:16:05
- Imprint
- Urbana-Champaign, IL : Illinois University at Urbana-Champaign, Graduate School of Library and Information Science
- Source
- Visualizing subject access for 21st century information resources: Papers presented at the 1997 Clinic on Library Applications of Data Processing, 2-4 Mar 1997, Graduate School of Library and Information Science, University of Illinois at Urbana-Champaign. Ed.: P.A. Cochrane et al
-
Belkin, N.J.: ¬The cognitive viewpoint in information science (1990)
0.02
0.02270783 = product of:
0.04541566 = sum of:
0.04541566 = product of:
0.09083132 = sum of:
0.09083132 = weight(_text_:science in 2709) [ClassicSimilarity], result of:
0.09083132 = score(doc=2709,freq=4.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.6585298 = fieldWeight in 2709, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.125 = fieldNorm(doc=2709)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of information science. 16(1990), S.11-15
-
Belkin, N.J.; Robertson, S.E: Information science and the phenomenon of information (1976)
0.02
0.02270783 = product of:
0.04541566 = sum of:
0.04541566 = product of:
0.09083132 = sum of:
0.09083132 = weight(_text_:science in 2710) [ClassicSimilarity], result of:
0.09083132 = score(doc=2710,freq=4.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.6585298 = fieldWeight in 2710, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.125 = fieldNorm(doc=2710)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for information science. 27(1976), S.197-204
-
Savage-Knepshield, P.A.; Belkin, N.J.: Interaction in information retrieval : trends over time (1999)
0.02
0.017382061 = product of:
0.034764122 = sum of:
0.034764122 = product of:
0.069528244 = sum of:
0.069528244 = weight(_text_:science in 4329) [ClassicSimilarity], result of:
0.069528244 = score(doc=4329,freq=6.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.5040819 = fieldWeight in 4329, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.078125 = fieldNorm(doc=4329)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Content
- Beitrag eines Themenheftes: The 50th Anniversary of the Journal of the American Society for Information Science. Pt.2: Paradigms, models, and models of information science
- Source
- Journal of the American Society for Information Science. 50(1999) no.12, S.1067-1082
-
Belkin, N.J.: Anomalous states of knowledge as a basis for information retrieval (1980)
0.02
0.01605686 = product of:
0.03211372 = sum of:
0.03211372 = product of:
0.06422744 = sum of:
0.06422744 = weight(_text_:science in 2711) [ClassicSimilarity], result of:
0.06422744 = score(doc=2711,freq=2.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.4656509 = fieldWeight in 2711, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.125 = fieldNorm(doc=2711)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- The Canadian journal of information science. 5(1980), S.133-143
-
Belkin, N.J.: Cognitive models and information transfer (1984)
0.02
0.01605686 = product of:
0.03211372 = sum of:
0.03211372 = product of:
0.06422744 = sum of:
0.06422744 = weight(_text_:science in 2712) [ClassicSimilarity], result of:
0.06422744 = score(doc=2712,freq=2.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.4656509 = fieldWeight in 2712, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.125 = fieldNorm(doc=2712)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Social science information studies. 4(1984), S.111-129
-
Belkin, N.J.: Information concepts for information science (1978)
0.02
0.01605686 = product of:
0.03211372 = sum of:
0.03211372 = product of:
0.06422744 = sum of:
0.06422744 = weight(_text_:science in 4102) [ClassicSimilarity], result of:
0.06422744 = score(doc=4102,freq=2.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.4656509 = fieldWeight in 4102, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.125 = fieldNorm(doc=4102)
0.5 = coord(1/2)
0.5 = coord(1/2)
-
Belkin, N.J.; Vickery, A.: Interaction in information systems : a review of research from document retrieval to knowledge-based systems (1985)
0.01
0.014049753 = product of:
0.028099505 = sum of:
0.028099505 = product of:
0.05619901 = sum of:
0.05619901 = weight(_text_:science in 3295) [ClassicSimilarity], result of:
0.05619901 = score(doc=3295,freq=2.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.40744454 = fieldWeight in 3295, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.109375 = fieldNorm(doc=3295)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Series
- Library and information science report; 35
-
Belkin, N.J.: ¬The problem of 'matching' in information retrieval (1980)
0.01
0.012042644 = product of:
0.024085289 = sum of:
0.024085289 = product of:
0.048170578 = sum of:
0.048170578 = weight(_text_:science in 1329) [ClassicSimilarity], result of:
0.048170578 = score(doc=1329,freq=2.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.34923816 = fieldWeight in 1329, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.09375 = fieldNorm(doc=1329)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Theory and application of information research. Proc. of the 2nd Int. Research Forum on Information Science, 3.-6.8.1977, Copenhagen. Ed.: O. Harbo u. L. Kajberg
-
Belkin, N.J.; Chang, S.J.; Downs, T.; Saracevic, T.; Zhao, S.: Taking account of user tasks, goals and behavior for the design of online public access catalogs (1990)
0.01
0.010035537 = product of:
0.020071074 = sum of:
0.020071074 = product of:
0.04014215 = sum of:
0.04014215 = weight(_text_:science in 5261) [ClassicSimilarity], result of:
0.04014215 = score(doc=5261,freq=2.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.2910318 = fieldWeight in 5261, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.078125 = fieldNorm(doc=5261)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- ASIS'90: Information in the year 2000: from research to application. Proc. 33rd Annual Meeting of the American Society for Information Science
-
Yuan, X. (J.); Belkin, N.J.: Applying an information-seeking dialogue model in an interactive information retrieval system (2014)
0.01
0.008868084 = product of:
0.017736169 = sum of:
0.017736169 = product of:
0.035472337 = sum of:
0.035472337 = weight(_text_:22 in 4544) [ClassicSimilarity], result of:
0.035472337 = score(doc=4544,freq=2.0), product of:
0.1833664 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052363027 = queryNorm
0.19345059 = fieldWeight in 4544, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0390625 = fieldNorm(doc=4544)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 6. 4.2015 19:22:59
-
Belkin, N.J.; Marchetti, P.G.; Albrecht, M.; Fusco, L.; Skogvold, S.; Stokke, H.; Troina, G.: User interfaces for information systems (1991)
0.01
0.0070248763 = product of:
0.014049753 = sum of:
0.014049753 = product of:
0.028099505 = sum of:
0.028099505 = weight(_text_:science in 490) [ClassicSimilarity], result of:
0.028099505 = score(doc=490,freq=2.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.20372227 = fieldWeight in 490, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.0546875 = fieldNorm(doc=490)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of information science. 17(1991), S.327-344
-
Yuan, X.; Belkin, N.J.: Evaluating an integrated system supporting multiple information-seeking strategies (2010)
0.01
0.006021322 = product of:
0.012042644 = sum of:
0.012042644 = product of:
0.024085289 = sum of:
0.024085289 = weight(_text_:science in 3992) [ClassicSimilarity], result of:
0.024085289 = score(doc=3992,freq=2.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.17461908 = fieldWeight in 3992, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.046875 = fieldNorm(doc=3992)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 61(2010) no.10, S.1987-2010
-
Yuan, X.; Belkin, N.J.: Investigating information retrieval support techniques for different information-seeking strategies (2010)
0.01
0.0050177686 = product of:
0.010035537 = sum of:
0.010035537 = product of:
0.020071074 = sum of:
0.020071074 = weight(_text_:science in 3699) [ClassicSimilarity], result of:
0.020071074 = score(doc=3699,freq=2.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.1455159 = fieldWeight in 3699, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.0390625 = fieldNorm(doc=3699)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 61(2010) no.8, S.1543-1563
-
Li, Y.; Belkin, N.J.: ¬An exploration of the relationships between work task and interactive information search behavior (2010)
0.01
0.0050177686 = product of:
0.010035537 = sum of:
0.010035537 = product of:
0.020071074 = sum of:
0.020071074 = weight(_text_:science in 3980) [ClassicSimilarity], result of:
0.020071074 = score(doc=3980,freq=2.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.1455159 = fieldWeight in 3980, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.0390625 = fieldNorm(doc=3980)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 61(2010) no.9, S.1771-1789
-
Liu, J.; Belkin, N.J.: Personalizing information retrieval for multi-session tasks : examining the roles of task stage, task type, and topic knowledge on the interpretation of dwell time as an indicator of document usefulness (2015)
0.01
0.0050177686 = product of:
0.010035537 = sum of:
0.010035537 = product of:
0.020071074 = sum of:
0.020071074 = weight(_text_:science in 1608) [ClassicSimilarity], result of:
0.020071074 = score(doc=1608,freq=2.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.1455159 = fieldWeight in 1608, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.0390625 = fieldNorm(doc=1608)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 66(2015) no.1, S.58-81
-
Liu, J.; Liu, C.; Belkin, N.J.: Predicting information searchers' topic knowledge at different search stages (2016)
0.01
0.0050177686 = product of:
0.010035537 = sum of:
0.010035537 = product of:
0.020071074 = sum of:
0.020071074 = weight(_text_:science in 3147) [ClassicSimilarity], result of:
0.020071074 = score(doc=3147,freq=2.0), product of:
0.13793045 = queryWeight, product of:
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.052363027 = queryNorm
0.1455159 = fieldWeight in 3147, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.6341193 = idf(docFreq=8627, maxDocs=44218)
0.0390625 = fieldNorm(doc=3147)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 67(2016) no.11, S.2652-2666