-
Wolfram, D.; Zhang, J.: ¬The influence of indexing practices and weighting algorithms on document spaces (2008)
0.01
0.012341983 = product of:
0.030854955 = sum of:
0.027621105 = weight(_text_:j in 1963) [ClassicSimilarity], result of:
0.027621105 = score(doc=1963,freq=2.0), product of:
0.13112928 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.04126811 = queryNorm
0.21064025 = fieldWeight in 1963, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.046875 = fieldNorm(doc=1963)
0.0032338493 = weight(_text_:s in 1963) [ClassicSimilarity], result of:
0.0032338493 = score(doc=1963,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.072074346 = fieldWeight in 1963, 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=1963)
0.4 = coord(2/5)
- Source
- Journal of the American Society for Information Science and Technology. 59(2008) no.1, S.3-11
-
Wolfram, D.; Wang, P.; Zhang, J.: Identifying Web search session patterns using cluster analysis : a comparison of three search environments (2009)
0.01
0.012341983 = product of:
0.030854955 = sum of:
0.027621105 = weight(_text_:j in 2796) [ClassicSimilarity], result of:
0.027621105 = score(doc=2796,freq=2.0), product of:
0.13112928 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.04126811 = queryNorm
0.21064025 = fieldWeight in 2796, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.046875 = fieldNorm(doc=2796)
0.0032338493 = weight(_text_:s in 2796) [ClassicSimilarity], result of:
0.0032338493 = score(doc=2796,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.072074346 = fieldWeight in 2796, 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=2796)
0.4 = coord(2/5)
- Source
- Journal of the American Society for Information Science and Technology. 60(2009) no.5, S.896-910
-
Wolfram, D.; Xie, H.I.: Traditional IR for web users : a context for general audience digital libraries (2002)
0.01
0.010855383 = product of:
0.027138459 = sum of:
0.024443584 = weight(_text_:u in 2589) [ClassicSimilarity], result of:
0.024443584 = score(doc=2589,freq=2.0), product of:
0.13513014 = queryWeight, product of:
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.04126811 = queryNorm
0.1808892 = fieldWeight in 2589, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.2744443 = idf(docFreq=4547, maxDocs=44218)
0.0390625 = fieldNorm(doc=2589)
0.0026948745 = weight(_text_:s in 2589) [ClassicSimilarity], result of:
0.0026948745 = score(doc=2589,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.060061958 = fieldWeight in 2589, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=2589)
0.4 = coord(2/5)
- Source
- Information processing and management. 38(2002) no.5, S.627-648
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
-
Dimitroff, A.; Wolfram, D.: Searcher response in a hypertext-based bibliographic information retrieval system (1995)
0.01
0.0106707355 = product of:
0.026676837 = sum of:
0.004311799 = weight(_text_:s in 187) [ClassicSimilarity], result of:
0.004311799 = score(doc=187,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.09609913 = fieldWeight in 187, 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=187)
0.022365037 = product of:
0.044730075 = sum of:
0.044730075 = weight(_text_:22 in 187) [ClassicSimilarity], result of:
0.044730075 = score(doc=187,freq=2.0), product of:
0.14451389 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04126811 = queryNorm
0.30952093 = fieldWeight in 187, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=187)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Source
- Journal of the American Society for Information Science. 46(1995) no.1, S.22-29
-
Zhang, J.; Wolfram, D.: Visualization of term discrimination analysis (2001)
0.01
0.0102849845 = product of:
0.02571246 = sum of:
0.023017585 = weight(_text_:j in 5210) [ClassicSimilarity], result of:
0.023017585 = score(doc=5210,freq=2.0), product of:
0.13112928 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.04126811 = queryNorm
0.17553353 = fieldWeight in 5210, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.0390625 = fieldNorm(doc=5210)
0.0026948745 = weight(_text_:s in 5210) [ClassicSimilarity], result of:
0.0026948745 = score(doc=5210,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.060061958 = fieldWeight in 5210, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=5210)
0.4 = coord(2/5)
- Source
- Journal of the American Society for Information Science and technology. 52(2001) no.8, S.615-627
-
Wolfram, D.; Zhang, J.: ¬An investigation of the influence of indexing exhaustivity and term distributions on a document space (2002)
0.01
0.0102849845 = product of:
0.02571246 = sum of:
0.023017585 = weight(_text_:j in 5238) [ClassicSimilarity], result of:
0.023017585 = score(doc=5238,freq=2.0), product of:
0.13112928 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.04126811 = queryNorm
0.17553353 = fieldWeight in 5238, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.0390625 = fieldNorm(doc=5238)
0.0026948745 = weight(_text_:s in 5238) [ClassicSimilarity], result of:
0.0026948745 = score(doc=5238,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.060061958 = fieldWeight in 5238, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=5238)
0.4 = coord(2/5)
- Source
- Journal of the American Society for Information Science and Technology. 53(2002) no.11, S.944-952
-
Zhang, J.; Wolfram, D.; Wang, P.; Hong, Y.; Gillis, R.: Visualization of health-subject analysis based on query term co-occurrences (2008)
0.01
0.0102849845 = product of:
0.02571246 = sum of:
0.023017585 = weight(_text_:j in 2376) [ClassicSimilarity], result of:
0.023017585 = score(doc=2376,freq=2.0), product of:
0.13112928 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.04126811 = queryNorm
0.17553353 = fieldWeight in 2376, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.0390625 = fieldNorm(doc=2376)
0.0026948745 = weight(_text_:s in 2376) [ClassicSimilarity], result of:
0.0026948745 = score(doc=2376,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.060061958 = fieldWeight in 2376, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=2376)
0.4 = coord(2/5)
- Source
- Journal of the American Society for Information Science and Technology. 59(2008) no.12, S.1933-1947
-
Zhang, J.; Wolfram, D.; Wang, P.: Analysis of query keywords of sports-related queries using visualization and clustering (2009)
0.01
0.0102849845 = product of:
0.02571246 = sum of:
0.023017585 = weight(_text_:j in 2947) [ClassicSimilarity], result of:
0.023017585 = score(doc=2947,freq=2.0), product of:
0.13112928 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.04126811 = queryNorm
0.17553353 = fieldWeight in 2947, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.0390625 = fieldNorm(doc=2947)
0.0026948745 = weight(_text_:s in 2947) [ClassicSimilarity], result of:
0.0026948745 = score(doc=2947,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.060061958 = fieldWeight in 2947, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=2947)
0.4 = coord(2/5)
- Source
- Journal of the American Society for Information Science and Technology. 60(2009) no.8, S.1550-1571
-
Zhang, J.; Chen, Y.; Zhao, Y.; Wolfram, D.; Ma, F.: Public health and social media : a study of Zika virus-related posts on Yahoo! Answers (2020)
0.01
0.0102849845 = product of:
0.02571246 = sum of:
0.023017585 = weight(_text_:j in 5672) [ClassicSimilarity], result of:
0.023017585 = score(doc=5672,freq=2.0), product of:
0.13112928 = queryWeight, product of:
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.04126811 = queryNorm
0.17553353 = fieldWeight in 5672, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.1774964 = idf(docFreq=5010, maxDocs=44218)
0.0390625 = fieldNorm(doc=5672)
0.0026948745 = weight(_text_:s in 5672) [ClassicSimilarity], result of:
0.0026948745 = score(doc=5672,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.060061958 = fieldWeight in 5672, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=5672)
0.4 = coord(2/5)
- Source
- Journal of the Association for Information Science and Technology. 71(2020) no.3, S.282-299
-
Ajiferuke, I.; Lu, K.; Wolfram, D.: ¬A comparison of citer and citation-based measure outcomes for multiple disciplines (2010)
0.01
0.008003051 = product of:
0.020007627 = sum of:
0.0032338493 = weight(_text_:s in 4000) [ClassicSimilarity], result of:
0.0032338493 = score(doc=4000,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.072074346 = fieldWeight in 4000, 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=4000)
0.016773777 = product of:
0.033547554 = sum of:
0.033547554 = weight(_text_:22 in 4000) [ClassicSimilarity], result of:
0.033547554 = score(doc=4000,freq=2.0), product of:
0.14451389 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04126811 = queryNorm
0.23214069 = fieldWeight in 4000, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.046875 = fieldNorm(doc=4000)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Date
- 28. 9.2010 12:54:22
- Source
- Journal of the American Society for Information Science and Technology. 61(2010) no.10, S.2086-2096
-
Castanha, R.C.G.; Wolfram, D.: ¬The domain of knowledge organization : a bibliometric analysis of prolific authors and their intellectual space (2018)
0.01
0.0066692093 = product of:
0.016673023 = sum of:
0.0026948745 = weight(_text_:s in 4150) [ClassicSimilarity], result of:
0.0026948745 = score(doc=4150,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.060061958 = 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)
0.0390625 = fieldNorm(doc=4150)
0.013978148 = product of:
0.027956296 = sum of:
0.027956296 = weight(_text_:22 in 4150) [ClassicSimilarity], result of:
0.027956296 = score(doc=4150,freq=2.0), product of:
0.14451389 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04126811 = queryNorm
0.19345059 = fieldWeight in 4150, 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=4150)
0.5 = coord(1/2)
0.4 = coord(2/5)
- Source
- Knowledge organization. 45(2018) no.1, S.13-22
-
Wolfram, D.; Dimitroff, A.: Hypertext vs. Boolean-based searching in a bibliographic database environment : a direct comparison of searcher performance (1998)
0.00
0.0012935398 = product of:
0.0064676986 = sum of:
0.0064676986 = weight(_text_:s in 6436) [ClassicSimilarity], result of:
0.0064676986 = score(doc=6436,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.14414869 = fieldWeight in 6436, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=6436)
0.2 = coord(1/5)
- Source
- Information processing and management. 34(1998) no.6, S.669-679
-
Wolfram, D.; Spink, A.; Jansen, B.J.; Saracevic, T.: Vox populi : the public searching of the Web (2001)
0.00
0.0012935398 = product of:
0.0064676986 = sum of:
0.0064676986 = weight(_text_:s in 6949) [ClassicSimilarity], result of:
0.0064676986 = score(doc=6949,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.14414869 = fieldWeight in 6949, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=6949)
0.2 = coord(1/5)
- Source
- Journal of the American Society for Information Science and technology. 52(2001) no.12, S.1073-1074
-
Wolfram, D.: Applied informetrics for information retrieval research (2003)
0.00
0.0012935398 = product of:
0.0064676986 = sum of:
0.0064676986 = weight(_text_:s in 4589) [ClassicSimilarity], result of:
0.0064676986 = score(doc=4589,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.14414869 = fieldWeight in 4589, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=4589)
0.2 = coord(1/5)
- Pages
- 232 S
-
Wolfram, D.: ¬The symbiotic relationship between information retrieval and informetrics (2015)
0.00
0.0012935398 = product of:
0.0064676986 = sum of:
0.0064676986 = weight(_text_:s in 1689) [ClassicSimilarity], result of:
0.0064676986 = score(doc=1689,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.14414869 = fieldWeight in 1689, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.09375 = fieldNorm(doc=1689)
0.2 = coord(1/5)
- Source
- Scientometrics. 102(2015) no.3, S.2201-2214
-
Minitroff, A.; Wolfram, D.: Design issues in a hypertext-based information system for bibliographic retrieval (1993)
0.00
0.001219561 = product of:
0.0060978048 = sum of:
0.0060978048 = weight(_text_:s in 7965) [ClassicSimilarity], result of:
0.0060978048 = score(doc=7965,freq=4.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.1359047 = fieldWeight in 7965, 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=7965)
0.2 = coord(1/5)
- Pages
- S.191-198
- Source
- Integrating technologies - converging professions: proceedings of the 56th Annual Meeting of the American Society for Information Science, Columbus, OH, 24-28 October 1993. Ed.: S. Bonzi
-
Wittig, C.; Wolfram, D.: ¬A survey of networking education in North American library schools (1994)
0.00
8.623598E-4 = product of:
0.004311799 = sum of:
0.004311799 = weight(_text_:s in 750) [ClassicSimilarity], result of:
0.004311799 = score(doc=750,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.09609913 = fieldWeight in 750, 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=750)
0.2 = coord(1/5)
- Source
- Library trends. 42(1994) no.4, S.626-637
-
Park, H.; You, S.; Wolfram, D.: Informal data citation for data sharing and reuse is more common than formal data citation in biomedical fields (2018)
0.00
7.622256E-4 = product of:
0.003811128 = sum of:
0.003811128 = weight(_text_:s in 4544) [ClassicSimilarity], result of:
0.003811128 = score(doc=4544,freq=4.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.08494043 = fieldWeight in 4544, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=4544)
0.2 = coord(1/5)
- Source
- Journal of the Association for Information Science and Technology. 69(2018) no.11, S.1346-1354
-
Wolfram, D.; Volz, A.; Dimitroff, A.: ¬The effect of linkage structure on retrieval performance in a hypertext-based bibliographic retrieval system (1996)
0.00
7.545648E-4 = product of:
0.003772824 = sum of:
0.003772824 = weight(_text_:s in 6622) [ClassicSimilarity], result of:
0.003772824 = score(doc=6622,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.08408674 = fieldWeight in 6622, 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=6622)
0.2 = coord(1/5)
- Source
- Information processing and management. 32(1996) no.5, S.529-541
-
Wolfram, D.: Inter-record linkage structure in a hypertext bibliographic retrieval system (1996)
0.00
7.545648E-4 = product of:
0.003772824 = sum of:
0.003772824 = weight(_text_:s in 6761) [ClassicSimilarity], result of:
0.003772824 = score(doc=6761,freq=2.0), product of:
0.044868242 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04126811 = queryNorm
0.08408674 = fieldWeight in 6761, 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=6761)
0.2 = coord(1/5)
- Source
- Journal of the American Society for Information Science. 47(1996) no.10, S.765-774
