-
Carmel, E.; Crawford, S.; Chen, H.: Browsing in hypertext : a cognitive study (1992)
0.03
0.029987425 = product of:
0.05997485 = sum of:
0.05997485 = sum of:
0.024578942 = weight(_text_:5 in 7469) [ClassicSimilarity], result of:
0.024578942 = score(doc=7469,freq=2.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.16120374 = fieldWeight in 7469, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.0390625 = fieldNorm(doc=7469)
0.03539591 = weight(_text_:22 in 7469) [ClassicSimilarity], result of:
0.03539591 = score(doc=7469,freq=2.0), product of:
0.18297131 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052250203 = queryNorm
0.19345059 = fieldWeight in 7469, 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=7469)
0.5 = coord(1/2)
- Source
- IEEE transactions on systems, man and cybernetics. 22(1992) no.5, S.865-884
-
Leroy, G.; Chen, H.: Genescene: an ontology-enhanced integration of linguistic and co-occurrence based relations in biomedical texts (2005)
0.03
0.029987425 = product of:
0.05997485 = sum of:
0.05997485 = sum of:
0.024578942 = weight(_text_:5 in 5259) [ClassicSimilarity], result of:
0.024578942 = score(doc=5259,freq=2.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.16120374 = fieldWeight in 5259, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.0390625 = fieldNorm(doc=5259)
0.03539591 = weight(_text_:22 in 5259) [ClassicSimilarity], result of:
0.03539591 = score(doc=5259,freq=2.0), product of:
0.18297131 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052250203 = queryNorm
0.19345059 = fieldWeight in 5259, 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=5259)
0.5 = coord(1/2)
- Date
- 22. 7.2006 14:26:01
- Source
- Journal of the American Society for Information Science and Technology. 56(2005) no.5, S.457-468
-
Chen, H.; Dhar, V.: Cognitive process as a basis for intelligent retrieval system design (1991)
0.01
0.013903949 = product of:
0.027807899 = sum of:
0.027807899 = product of:
0.055615798 = sum of:
0.055615798 = weight(_text_:5 in 3845) [ClassicSimilarity], result of:
0.055615798 = score(doc=3845,freq=4.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.36476243 = fieldWeight in 3845, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.0625 = fieldNorm(doc=3845)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Abstract
- 2 studies were conducted to investigate the cognitive processes involved in online document-based information retrieval. These studies led to the development of 5 computerised models of online document retrieval. These models were incorporated into a design of an 'intelligent' document-based retrieval system. Following a discussion of this system, discusses the broader implications of the research for the design of information retrieval sysems
- Source
- Information processing and management. 27(1991) no.5, S.405-432
-
Chung, W.; Chen, H.: Browsing the underdeveloped Web : an experiment on the Arabic Medical Web Directory (2009)
0.01
0.010618771 = product of:
0.021237543 = sum of:
0.021237543 = product of:
0.042475086 = sum of:
0.042475086 = weight(_text_:22 in 2733) [ClassicSimilarity], result of:
0.042475086 = score(doc=2733,freq=2.0), product of:
0.18297131 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052250203 = queryNorm
0.23214069 = fieldWeight in 2733, 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=2733)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 3.2009 17:57:50
-
Zheng, R.; Li, J.; Chen, H.; Huang, Z.: ¬A framework for authorship identification of online messages : writing-style features and classification techniques (2006)
0.01
0.008848977 = product of:
0.017697955 = sum of:
0.017697955 = product of:
0.03539591 = sum of:
0.03539591 = weight(_text_:22 in 5276) [ClassicSimilarity], result of:
0.03539591 = score(doc=5276,freq=2.0), product of:
0.18297131 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052250203 = queryNorm
0.19345059 = fieldWeight in 5276, 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=5276)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 7.2006 16:14:37
-
Hu, D.; Kaza, S.; Chen, H.: Identifying significant facilitators of dark network evolution (2009)
0.01
0.008848977 = product of:
0.017697955 = sum of:
0.017697955 = product of:
0.03539591 = sum of:
0.03539591 = weight(_text_:22 in 2753) [ClassicSimilarity], result of:
0.03539591 = score(doc=2753,freq=2.0), product of:
0.18297131 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052250203 = queryNorm
0.19345059 = fieldWeight in 2753, 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=2753)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 22. 3.2009 18:50:30
-
Schumaker, R.P.; Chen, H.: Evaluating a news-aware quantitative trader : the effect of momentum and contrarian stock selection strategies (2008)
0.01
0.008602629 = product of:
0.017205259 = sum of:
0.017205259 = product of:
0.034410518 = sum of:
0.034410518 = weight(_text_:5 in 1352) [ClassicSimilarity], result of:
0.034410518 = score(doc=1352,freq=2.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.22568524 = fieldWeight in 1352, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.0546875 = fieldNorm(doc=1352)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Abstract
- We study the coupling of basic quantitative portfolio selection strategies with a financial news article prediction system, AZFinText. By varying the degrees of portfolio formation time, we found that a hybrid system using both quantitative strategy and a full set of financial news articles performed the best. With a 1-week portfolio formation period, we achieved a 20.79% trading return using a Momentum strategy and a 4.54% return using a Contrarian strategy over a 5-week holding period. We also found that trader overreaction to these events led AZFinText to capitalize on these short-term surges in price.
-
Chen, H.; Ng, T.: ¬An algorithmic approach to concept exploration in a large knowledge network (automatic thesaurus consultation) : symbolic branch-and-bound search versus connectionist Hopfield Net Activation (1995)
0.01
0.0073736827 = product of:
0.014747365 = sum of:
0.014747365 = product of:
0.02949473 = sum of:
0.02949473 = weight(_text_:5 in 2203) [ClassicSimilarity], result of:
0.02949473 = score(doc=2203,freq=2.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.19344449 = fieldWeight in 2203, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.046875 = fieldNorm(doc=2203)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science. 46(1995) no.5, S.348-369
-
Chen, H.; Zhang, Y.; Houston, A.L.: Semantic indexing and searching using a Hopfield net (1998)
0.01
0.0073736827 = product of:
0.014747365 = sum of:
0.014747365 = product of:
0.02949473 = sum of:
0.02949473 = weight(_text_:5 in 5704) [ClassicSimilarity], result of:
0.02949473 = score(doc=5704,freq=2.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.19344449 = fieldWeight in 5704, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.046875 = fieldNorm(doc=5704)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Date
- 5. 4.1996 20:01:47
-
Chen, H.: Semantic research for digital libraries (1999)
0.01
0.0073736827 = product of:
0.014747365 = sum of:
0.014747365 = product of:
0.02949473 = sum of:
0.02949473 = weight(_text_:5 in 1247) [ClassicSimilarity], result of:
0.02949473 = score(doc=1247,freq=2.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.19344449 = fieldWeight in 1247, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.046875 = fieldNorm(doc=1247)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- D-Lib magazine. 5(1999) no.10, xx S
-
Li, J.; Zhang, Z.; Li, X.; Chen, H.: Kernel-based learning for biomedical relation extraction (2008)
0.01
0.0073736827 = product of:
0.014747365 = sum of:
0.014747365 = product of:
0.02949473 = sum of:
0.02949473 = weight(_text_:5 in 1611) [ClassicSimilarity], result of:
0.02949473 = score(doc=1611,freq=2.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.19344449 = fieldWeight in 1611, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.046875 = fieldNorm(doc=1611)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 59(2008) no.5, S.756-769
-
Ku, Y.; Chiu, C.; Zhang, Y.; Chen, H.; Su, H.: Text mining self-disclosing health information for public health service (2014)
0.01
0.0073736827 = product of:
0.014747365 = sum of:
0.014747365 = product of:
0.02949473 = sum of:
0.02949473 = weight(_text_:5 in 1262) [ClassicSimilarity], result of:
0.02949473 = score(doc=1262,freq=2.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.19344449 = fieldWeight in 1262, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.046875 = fieldNorm(doc=1262)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 65(2014) no.5, S.928-947
-
Jiang, S.; Gao, Q.; Chen, H.; Roco, M.C.: ¬The roles of sharing, transfer, and public funding in nanotechnology knowledge-diffusion networks (2015)
0.01
0.0073736827 = product of:
0.014747365 = sum of:
0.014747365 = product of:
0.02949473 = sum of:
0.02949473 = weight(_text_:5 in 1823) [ClassicSimilarity], result of:
0.02949473 = score(doc=1823,freq=2.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.19344449 = fieldWeight in 1823, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.046875 = fieldNorm(doc=1823)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 66(2015) no.5, S.1017-1029
-
Qin, J.; Zhou, Y.; Chau, M.; Chen, H.: Multilingual Web retrieval : an experiment in English-Chinese business intelligence (2006)
0.01
0.0061447355 = product of:
0.012289471 = sum of:
0.012289471 = product of:
0.024578942 = sum of:
0.024578942 = weight(_text_:5 in 5054) [ClassicSimilarity], result of:
0.024578942 = score(doc=5054,freq=2.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.16120374 = fieldWeight in 5054, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.0390625 = fieldNorm(doc=5054)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 57(2006) no.5, S.671-683
-
Huang, C.; Fu, T.; Chen, H.: Text-based video content classification for online video-sharing sites (2010)
0.01
0.0061447355 = product of:
0.012289471 = sum of:
0.012289471 = product of:
0.024578942 = sum of:
0.024578942 = weight(_text_:5 in 3452) [ClassicSimilarity], result of:
0.024578942 = score(doc=3452,freq=2.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.16120374 = fieldWeight in 3452, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.0390625 = fieldNorm(doc=3452)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 61(2010) no.5, S.891-906
-
Qu, B.; Cong, G.; Li, C.; Sun, A.; Chen, H.: ¬An evaluation of classification models for question topic categorization (2012)
0.01
0.0061447355 = product of:
0.012289471 = sum of:
0.012289471 = product of:
0.024578942 = sum of:
0.024578942 = weight(_text_:5 in 237) [ClassicSimilarity], result of:
0.024578942 = score(doc=237,freq=2.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.16120374 = fieldWeight in 237, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.0390625 = fieldNorm(doc=237)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 63(2012) no.5, S.889-903
-
Chen, H.; Baptista Nunes, J.M.; Ragsdell, G.; An, X.: Somatic and cultural knowledge : drivers of a habitus-driven model of tacit knowledge acquisition (2019)
0.00
0.0043013147 = product of:
0.008602629 = sum of:
0.008602629 = product of:
0.017205259 = sum of:
0.017205259 = weight(_text_:5 in 5460) [ClassicSimilarity], result of:
0.017205259 = score(doc=5460,freq=2.0), product of:
0.15247129 = queryWeight, product of:
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.052250203 = queryNorm
0.11284262 = fieldWeight in 5460, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.9180994 = idf(docFreq=6494, maxDocs=44218)
0.02734375 = fieldNorm(doc=5460)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of documentation. 75(2019) no.5, S.927-953
