Naohisa Hirakata is on CollEc

rank value
closeness 17264 5.1739
betweenness 5806 1.9219

co-authors

  1. Nao Sudo [psu191]
  2. Kozo Ueda [pue11]
  3. Yosuke Kido [pki539]
  4. Ippei Fujiwara [pfu32]
  5. Masahiro KAWAI [pka441]
  6. Takeki Sunakawa [psu246]
  7. Naoko Hara [pha958]
  8. Hiroshi Fujiki [pfu64]
  9. Ikuo Takei [pta621]
  10. Koichiro Kamada [pka936]
  11. Takeshi Kimura [pki125]
  12. Etsuro Shioji [psh735]