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Usage Count: A New Indicator to Detect Research Fronts

Guoqiang Liang
Guoqiang Liang
, 
Haiyan Hou
Haiyan Hou
, 
Zhigang Hu
Zhigang Hu
, 
Fu Huang
Fu Huang
, 
Yajie Wang
Yajie Wang
 e 
Shanshan Zhang
Shanshan Zhang
   | 18 feb 2017
Journal of Data and Information Science's Cover Image
INFORMAZIONI SU QUESTO ARTICOLO
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Article Category: Research Paper
Pubblicato online: 18 feb 2017
Pagine: 89 - 104
Ricevuto: 26 set 2016
Accettato: 04 dic 2016
DOI: https://doi.org/10.1515/jdis-2017-0005
Parole chiave
© 2017 Guoqiang Liang, Haiyan Hou, Zhigang Hu, Fu Huang, Yajie Wang & Shanshan Zhang
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Figure 1

Organization and procedure of the present study. RF is the abbreviation for research front and TC for times cited. UC refers to usage count.
Organization and procedure of the present study. RF is the abbreviation for research front and TC for times cited. UC refers to usage count.

Figure 2

Yearly frequency distribution of citing articles with threshold of usage count. Y represents the usage count and R2 reflects the goodness-of-fit of this equation. A value closer to 1 indicates a satisfactory goodness-of-fit.
Yearly frequency distribution of citing articles with threshold of usage count. Y represents the usage count and R2 reflects the goodness-of-fit of this equation. A value closer to 1 indicates a satisfactory goodness-of-fit.

Figure 3

Yearly frequency distribution of citing articles with threshold of times cited.
Yearly frequency distribution of citing articles with threshold of times cited.

Figure 4

Yearly frequency distribution of cited references with threshold of usage count. The time span of cited references is 1638–2015, and the study integrated the data of 1638–1990 to facilitate reading.
Yearly frequency distribution of cited references with threshold of usage count. The time span of cited references is 1638–2015, and the study integrated the data of 1638–1990 to facilitate reading.

Figure 5

Yearly frequency distribution of cited references with threshold of times cited. The time span of cited references is 1632–2014, and the study integrated the data of 1632–1990 to facilitate reading.
Yearly frequency distribution of cited references with threshold of times cited. The time span of cited references is 1632–2014, and the study integrated the data of 1632–1990 to facilitate reading.

Recentness of the research fronts detected by usage count.

ClustersNo. of referencesMean cited yearNo. of citing articlesRecentness
Clinic52012392014.35
Whole organ engineering252011392013.77
Expansion222011552013.46
Hydrogel272010522013.32
Overview262010362013.21
Extracellular vesicle262010492013.02
Regulating stem cell fate232010612013.00
Induction232010442013.00
Induced pluripotent stem cell differentiation212010382013.00
Carbon nanotube192010402012.72
Human pluripotent stem192010222012.60
Stem cell application262009392012.28
Peptide242009322012.05
Porous scaffold212009422011.81
Poly52009352011.50
Layer272008662011.49
Biomedicine252008572011.31
Induced pluripotent stem cell252008362011.13
Glycosaminoglycan-binding substratum242008362011.09
Pro-angiogenic properties262007272010.96
Nanotechnologies162007342010.23
Water filtration312005512010.20
Supramolecular design252005202010.02
Biodegradable hydrogel24200582009.90
Present status212004202009.37
Biological characterization5199832002.67
Mean value of all clusters21.582008.1937.732011.59

Top 10 highly cited papers detected by usage count and times cited.

Articles detected by times citedArticles detected by usage count
FrequencyArticlesPublishing yearFrequencyArticlesPublishing year
225Takahashi, K., Cell, V126, P6632006168Takahashi, K., Cell, V131, P8612007
212Takahashi, K., Cell, V131, P8612007155Engler, A.J., Cell, V126, P6772006
188Yu, J.Y., Science, V318, P19172007110Slaughter, B.V., Bvadv Mater, V21, P33072009
115Engler, A. J., Cell, V126, P6772006107Yu, J.Y., Science, V318, P19172007
113Dominici, M., Mcytotherapy, V8, P3152006104Takahashi, K., Cell, V126, P6632006
106Jiang, Y.H., Nature, V418, P41200277Dalby, M.J., Nat Mater, V6, P9972007
99Okita, K., Nature, V448, P313200774Ott, H.C., Nat Med, V14, P2132008
91Park, I.H., Nature, V451, P141200863Lutolf, M.P., Nat Biotechnol, V23, P472005
89Pittenger, M.F., Science, V284, P143199961Discher, D.E., Science, V324, P16732009
86Thomson, J.A., Science, V282, P1145199855Macchiarini, P., Lancet, V372, P20232008
Mean year2004.6Mean year2007.2

Overview of the dataset.

Times cited Usage count
No. of cited references 84,315 113,339
Recentness 2009.0 2013.3
Mean publication year of cited references 2002.6 2005.7

Recentness of the research fronts detected by times cited.

ClustersNo. of referencesMean cited yearNo. of citing articlesRecentness
Emerging peptide nanomedicine292008542010.44
Pluripotent stem cell252007562008.89
Adipose-derived stem cell252003832010.14
Somatic cell222008522009.33
Mesenchymal stem cell222003552010.07
Induced pluripotent stem cell222008412009.05
Embryonic stem cell222004602010.08
Organ level tissue engineering212008502009.80
Mesenchymal stromal cell212005522009.33
Synthetic hydrogels212002482010.45
Hippo pathway202008522010.69
Human induced pluripotent stem cell192009642010.36
Human embryonic stem cells182007402008.05
Regenerative biology182001512010.25
Marrow-derived mesenchymal cell182001382007.34
Human wharton172006272010.00
Genetic modification172002312007.81
Generation162008402007.40
Therapeutic application162002412010.00
Review8200082002.00
Mean value of all clusters19.85200547.152009.07

Comparison of the top 10 citing papers of the common research front.

Times citedUsage count
Coverage (%)Citing articlesPublishing yearCoverage (%)Citing articlesPublishing year
55Wang, Y. A transcriptional roadmap to the induction of pluripotency in somatic cells.201040Patel, M. Advances in reprogramming somatic cells to induced pluripotent stem cells.2010
50Kiskinis, E. Progress toward the clinical application of patient-specific pluripotent stem cells.201032Warren, L. Highly efficient reprogramming to pluripotency and directed differentiation of human cells with synthetic modified mRNA.2010
50Li, W.L. Small molecules that modulate embryonic stem cell fate and somatic cell reprogramming.201024Ben-David, U. The tumorigenicity of human embryonic and induced pluripotent stem cells.2011
50Masip, M. Reprogramming with defined factors: From induced pluripotency to induced transdifferentiation.201020Lister, R. Hotspots of aberrant epigenomic reprogramming in human induced pluripotent stem cells.2011
45Warren, L. Highly efficient reprogramming to pluripotency and directed differentiation of human cells with synthetic modified mRNA.201020Tsuji, O. Therapeutic potential of appropriately evaluated safe-induced pluripotent stem cells for spinal cord injury.2010
41Cox, J.L. Induced pluripotent stem cells: What lies beyond the paradigm shift.201020Wu, S.M. Harnessing the potential of induced pluripotent stem cells for regenerative medicine.2011
41Lengner, C. J. IPS cell technology in regenerative medicine.201016Zhao, T.B. Immunogenicity of induced pluripotent stem cells.2011
41Tamaoki, N. Dental pulp cells for induced pluripotent stem cell banking.201012Young, R. A. Control of the embryonic stem cell state.2011
36Chun, Y.S. Applications of patient-specific induced pluripotent stem cells; focused on disease modeling, drug screening and therapeutic potentials for liver disease.20108Burridge, P.W. A universal system for highly efficient cardiac differentiation of human induced pluripotent stem cells that eliminates interline variability.2011
36Nakagawa, M. Promotion of direct reprogramming by transformation-deficient myc.20108Klim, J.R. A defined glycosaminoglycan-binding substratum for human pluripotent stem cells.2010
Recentness2010.07Recentness2011.09
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