-
Vakkari, P.; Järvelin, K.; Chang, Y.-W.: ¬The association of disciplinary background with the evolution of topics and methods in Library and Information Science research 1995-2015 (2023)
0.03
0.032878954 = product of:
0.06575791 = sum of:
0.06575791 = sum of:
0.031998128 = weight(_text_:k in 998) [ClassicSimilarity], result of:
0.031998128 = score(doc=998,freq=2.0), product of:
0.16225883 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.04545348 = queryNorm
0.19720423 = fieldWeight in 998, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0390625 = fieldNorm(doc=998)
0.0029681858 = weight(_text_:s in 998) [ClassicSimilarity], result of:
0.0029681858 = score(doc=998,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.060061958 = fieldWeight in 998, 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=998)
0.030791596 = weight(_text_:22 in 998) [ClassicSimilarity], result of:
0.030791596 = score(doc=998,freq=2.0), product of:
0.15917034 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.04545348 = queryNorm
0.19345059 = fieldWeight in 998, 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=998)
0.5 = coord(1/2)
- Date
- 22. 6.2023 18:15:06
- Source
- Journal of the Association for Information Science and Technology. 74(2023) no.7, S.811-827
-
Tuomaala, O.; Järvelin, K.; Vakkari, P.: Evolution of library and information science, 1965-2005 : content analysis of journal articles (2014)
0.01
0.011655438 = product of:
0.023310876 = sum of:
0.023310876 = product of:
0.034966312 = sum of:
0.031998128 = weight(_text_:k in 1309) [ClassicSimilarity], result of:
0.031998128 = score(doc=1309,freq=2.0), product of:
0.16225883 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.04545348 = queryNorm
0.19720423 = fieldWeight in 1309, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0390625 = fieldNorm(doc=1309)
0.0029681858 = weight(_text_:s in 1309) [ClassicSimilarity], result of:
0.0029681858 = score(doc=1309,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.060061958 = fieldWeight in 1309, 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=1309)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 65(2014) no.7, S.1446-1462
-
Järvelin, K.; Vakkari, P.: LIS research across 50 years: content analysis of journal articles : offering an information-centric conception of memes (2022)
0.01
0.011655438 = product of:
0.023310876 = sum of:
0.023310876 = product of:
0.034966312 = sum of:
0.031998128 = weight(_text_:k in 949) [ClassicSimilarity], result of:
0.031998128 = score(doc=949,freq=2.0), product of:
0.16225883 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.04545348 = queryNorm
0.19720423 = fieldWeight in 949, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0390625 = fieldNorm(doc=949)
0.0029681858 = weight(_text_:s in 949) [ClassicSimilarity], result of:
0.0029681858 = score(doc=949,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.060061958 = fieldWeight in 949, 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=949)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
- Source
- Journal of documentation. 78(2022) no.7, S.65-88
-
Vakkari, P.: Perceived influence of the use of electronic information resources on scholarly work and publication productivity (2008)
0.00
5.936372E-4 = product of:
0.0011872743 = sum of:
0.0011872743 = product of:
0.003561823 = sum of:
0.003561823 = weight(_text_:s in 1380) [ClassicSimilarity], result of:
0.003561823 = score(doc=1380,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.072074346 = fieldWeight in 1380, 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=1380)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 59(2008) no.4, S.602-612