-
Lu, K.; Joo, S.; Lee, T.; Hu, R.: Factors that influence query reformulations and search performance in health information retrieval : a multilevel modeling approach (2017)
0.01
0.012951734 = product of:
0.0388552 = sum of:
0.030505402 = weight(_text_:t in 3754) [ClassicSimilarity], result of:
0.030505402 = score(doc=3754,freq=2.0), product of:
0.14017504 = queryWeight, product of:
3.9394085 = idf(docFreq=2338, maxDocs=44218)
0.035582762 = queryNorm
0.21762364 = fieldWeight in 3754, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.9394085 = idf(docFreq=2338, maxDocs=44218)
0.0390625 = fieldNorm(doc=3754)
0.008349796 = product of:
0.025049387 = sum of:
0.025049387 = weight(_text_:k in 3754) [ClassicSimilarity], result of:
0.025049387 = score(doc=3754,freq=2.0), product of:
0.12702256 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.035582762 = queryNorm
0.19720423 = fieldWeight in 3754, 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=3754)
0.33333334 = coord(1/3)
0.33333334 = coord(2/6)
-
Ajiferuke, I.; Lu, K.; Wolfram, D.: ¬A comparison of citer and citation-based measure outcomes for multiple disciplines (2010)
0.01
0.008160892 = product of:
0.024482675 = sum of:
0.010019755 = product of:
0.030059265 = sum of:
0.030059265 = weight(_text_:k in 4000) [ClassicSimilarity], result of:
0.030059265 = score(doc=4000,freq=2.0), product of:
0.12702256 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.035582762 = queryNorm
0.23664509 = fieldWeight in 4000, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.046875 = fieldNorm(doc=4000)
0.33333334 = coord(1/3)
0.014462919 = product of:
0.028925838 = sum of:
0.028925838 = weight(_text_:22 in 4000) [ClassicSimilarity], result of:
0.028925838 = score(doc=4000,freq=2.0), product of:
0.12460477 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.035582762 = 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)
0.33333334 = coord(2/6)
- Date
- 28. 9.2010 12:54:22
-
Koh, K.; Snead, J.T.; Lu, K.: ¬The processes of maker learning and information behavior in a technology-rich high school class (2019)
0.00
0.001968066 = product of:
0.011808395 = sum of:
0.011808395 = product of:
0.035425186 = sum of:
0.035425186 = weight(_text_:k in 5436) [ClassicSimilarity], result of:
0.035425186 = score(doc=5436,freq=4.0), product of:
0.12702256 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.035582762 = queryNorm
0.2788889 = fieldWeight in 5436, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0390625 = fieldNorm(doc=5436)
0.33333334 = coord(1/3)
0.16666667 = coord(1/6)
-
Lu, K.; Cai, X.; Ajiferuke, I.; Wolfram, D.: Vocabulary size and its effect on topic representation (2017)
0.00
0.0016699592 = product of:
0.010019755 = sum of:
0.010019755 = product of:
0.030059265 = sum of:
0.030059265 = weight(_text_:k in 3414) [ClassicSimilarity], result of:
0.030059265 = score(doc=3414,freq=2.0), product of:
0.12702256 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.035582762 = queryNorm
0.23664509 = fieldWeight in 3414, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.046875 = fieldNorm(doc=3414)
0.33333334 = coord(1/3)
0.16666667 = coord(1/6)
-
Lu, K.; Wolfram, D.: Measuring author research relatedness : a comparison of word-based, topic-based, and author cocitation approaches (2012)
0.00
0.0013916327 = product of:
0.008349796 = sum of:
0.008349796 = product of:
0.025049387 = sum of:
0.025049387 = weight(_text_:k in 453) [ClassicSimilarity], result of:
0.025049387 = score(doc=453,freq=2.0), product of:
0.12702256 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.035582762 = queryNorm
0.19720423 = fieldWeight in 453, 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=453)
0.33333334 = coord(1/3)
0.16666667 = coord(1/6)
-
Lu, K.; Kipp, M.E.I.: Understanding the retrieval effectiveness of collaborative tags and author keywords in different retrieval environments : an experimental study on medical collections (2014)
0.00
0.0013916327 = product of:
0.008349796 = sum of:
0.008349796 = product of:
0.025049387 = sum of:
0.025049387 = weight(_text_:k in 1215) [ClassicSimilarity], result of:
0.025049387 = score(doc=1215,freq=2.0), product of:
0.12702256 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.035582762 = queryNorm
0.19720423 = fieldWeight in 1215, 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=1215)
0.33333334 = coord(1/3)
0.16666667 = coord(1/6)
-
Mu, X.; Lu, K.; Ryu, H.: Explicitly integrating MeSH thesaurus help into health information retrieval systems : an empirical user study (2014)
0.00
0.0013916327 = product of:
0.008349796 = sum of:
0.008349796 = product of:
0.025049387 = sum of:
0.025049387 = weight(_text_:k in 2703) [ClassicSimilarity], result of:
0.025049387 = score(doc=2703,freq=2.0), product of:
0.12702256 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.035582762 = queryNorm
0.19720423 = fieldWeight in 2703, 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=2703)
0.33333334 = coord(1/3)
0.16666667 = coord(1/6)
-
Lu, K.; Mao, J.: ¬An automatic approach to weighted subject indexing : an empirical study in the biomedical domain (2015)
0.00
0.0013916327 = product of:
0.008349796 = sum of:
0.008349796 = product of:
0.025049387 = sum of:
0.025049387 = weight(_text_:k in 4005) [ClassicSimilarity], result of:
0.025049387 = score(doc=4005,freq=2.0), product of:
0.12702256 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.035582762 = queryNorm
0.19720423 = fieldWeight in 4005, 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=4005)
0.33333334 = coord(1/3)
0.16666667 = coord(1/6)
-
Lu, K.; Mao, J.; Li, G.: Toward effective automated weighted subject indexing : a comparison of different approaches in different environments (2018)
0.00
0.0013916327 = product of:
0.008349796 = sum of:
0.008349796 = product of:
0.025049387 = sum of:
0.025049387 = weight(_text_:k in 4292) [ClassicSimilarity], result of:
0.025049387 = score(doc=4292,freq=2.0), product of:
0.12702256 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.035582762 = queryNorm
0.19720423 = fieldWeight in 4292, 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=4292)
0.33333334 = coord(1/3)
0.16666667 = coord(1/6)
