메뉴 건너뛰기




Volumn 275, Issue 1649, 2008, Pages 2373-2379

Adaptive numerical competency in a food-hoarding songbird

Author keywords

Animal cognition; Behaviour; Food hoarding; New Zealand; Number sense

Indexed keywords

ADAPTATION; COGNITION; DECISION MAKING; EXPERIMENTAL STUDY; FOOD AVAILABILITY; NUMERICAL RESPONSE; PREY PREFERENCE; SENSORY SYSTEM; SONGBIRD;

EID: 51449118858     PISSN: 09628452     EISSN: 14712970     Source Type: Journal    
DOI: 10.1098/rspb.2008.0702     Document Type: Article
Times cited : (106)

References (49)
  • 1
    • 33845347385 scopus 로고    scopus 로고
    • Quantity discrimination in female mosquitofish
    • doi:10.1007/s10071- 006-0036-5
    • Agrillo, C., Dadda, M. & Bisazza, A. 2007 Quantity discrimination in female mosquitofish. Anim. Cogn. 10, 63-70. (doi:10.1007/s10071- 006-0036-5)
    • (2007) Anim. Cogn , vol.10 , pp. 63-70
    • Agrillo, C.1    Dadda, M.2    Bisazza, A.3
  • 2
    • 26244434342 scopus 로고    scopus 로고
    • An experimental evaluation of food hoarding by North Island robins (Petroica australis longipes)
    • Alexander, L. et al. 2005 An experimental evaluation of food hoarding by North Island robins (Petroica australis longipes). Notornis 52, 138-142.
    • (2005) Notornis , vol.52 , pp. 138-142
    • Alexander, L.1
  • 3
    • 33847638073 scopus 로고    scopus 로고
    • Relative numerousness judgment and summation in young, middle-aged, and older adult orangutans (Pongo pygmaeus abelii and Pongo pygmaeus pygmaeus)
    • doi:10.1037/0735-7036.121.1. 1
    • Anderson, U. S., Stoinski, T. S., Bloomsmith, M. A. & Maple, T. L. 2007 Relative numerousness judgment and summation in young, middle-aged, and older adult orangutans (Pongo pygmaeus abelii and Pongo pygmaeus pygmaeus). J. Comp. Psychol. 121, 1-11. (doi:10.1037/0735-7036.121.1. 1)
    • (2007) J. Comp. Psychol , vol.121 , pp. 1-11
    • Anderson, U.S.1    Stoinski, T.S.2    Bloomsmith, M.A.3    Maple, T.L.4
  • 4
    • 85047682112 scopus 로고    scopus 로고
    • Summation and numerousness judgments of sequentially presented sets of items by chimpanzees (Pan troglodytes)
    • doi:10.1037/0735-7036.115.2.181
    • Beran, M. J. 2001 Summation and numerousness judgments of sequentially presented sets of items by chimpanzees (Pan troglodytes). J. Comp. Psychol. 115, 181-191. (doi:10.1037/0735-7036.115.2.181)
    • (2001) J. Comp. Psychol , vol.115 , pp. 181-191
    • Beran, M.J.1
  • 5
    • 1842529855 scopus 로고    scopus 로고
    • Chimpanzees (Pan troglodytes) respond to nonvisible sets after one-by-one addition and removal of items
    • doi:10.1037/0735-7036.118.1.25
    • Beran, M. J. 2004 Chimpanzees (Pan troglodytes) respond to nonvisible sets after one-by-one addition and removal of items. J. Comp. Psychol. 118, 25-36. (doi:10.1037/0735-7036.118.1.25)
    • (2004) J. Comp. Psychol , vol.118 , pp. 25-36
    • Beran, M.J.1
  • 6
    • 33846342076 scopus 로고    scopus 로고
    • Rhesus monkeys (Macaca mulatta) enumerate large and small sequentially presented sets of items using analog magnitude numerical representations
    • doi:10.1037/0097-7403.33.1.42
    • Beran, M. J. 2007 Rhesus monkeys (Macaca mulatta) enumerate large and small sequentially presented sets of items using analog magnitude numerical representations. J. Exp. Psychol. Anim. Behav. Process. 33, 42-54. (doi:10.1037/0097-7403.33.1.42)
    • (2007) J. Exp. Psychol. Anim. Behav. Process , vol.33 , pp. 42-54
    • Beran, M.J.1
  • 7
    • 39049116049 scopus 로고    scopus 로고
    • Monkeys (Macaca mulatta and Cebus apella) track, enumerate, and compare multiple sets of moving items
    • doi:10.1037/0097-7403.34. 1.63
    • Beran, M. J. 2008 Monkeys (Macaca mulatta and Cebus apella) track, enumerate, and compare multiple sets of moving items. J. Exp. Psychol. Anim. Behav. Process. 34, 63-74. (doi:10.1037/0097-7403.34. 1.63)
    • (2008) J. Exp. Psychol. Anim. Behav. Process , vol.34 , pp. 63-74
    • Beran, M.J.1
  • 8
    • 0033003548 scopus 로고    scopus 로고
    • Overcoming response bias using symbolic representations of number by chimpanzees (Pan troglodytes)
    • Boysen, S. T., Mukobi, K. L. & Berntson, G. G. 1999 Overcoming response bias using symbolic representations of number by chimpanzees (Pan troglodytes). Anim. Learn. Behav. 27, 229-235.
    • (1999) Anim. Learn. Behav , vol.27 , pp. 229-235
    • Boysen, S.T.1    Mukobi, K.L.2    Berntson, G.G.3
  • 9
    • 0033629949 scopus 로고    scopus 로고
    • Representation of the numerosities 1-9 by rhesus macaques (Macaca mulatta)
    • doi:10.1037/0097-7403.26.1.31
    • Brannon, E. & Terrace, H. S. 2000 Representation of the numerosities 1-9 by rhesus macaques (Macaca mulatta). J. Exp. Psychol. Anim. Behav. Process. 26, 31-49. (doi:10.1037/0097-7403.26.1.31)
    • (2000) J. Exp. Psychol. Anim. Behav. Process , vol.26 , pp. 31-49
    • Brannon, E.1    Terrace, H.S.2
  • 10
    • 0017138549 scopus 로고
    • The role of primary reinforcement and overt movements in autoshaping in the pigeon
    • Browne, M. P. 1976 The role of primary reinforcement and overt movements in autoshaping in the pigeon. Anim. Learn. Behav. 4, 287-292.
    • (1976) Anim. Learn. Behav , vol.4 , pp. 287-292
    • Browne, M.P.1
  • 11
    • 33645877658 scopus 로고    scopus 로고
    • Dominance rank influences food hoarding in New Zealand robins Petroica australis
    • doi:10.1111/j.1474-919X.2006.00529.x
    • Burns, K. C. & Steer, J. 2006 Dominance rank influences food hoarding in New Zealand robins Petroica australis. Ibis 148, 266-272. (doi:10.1111/j.1474-919X.2006.00529.x)
    • (2006) Ibis , vol.148 , pp. 266-272
    • Burns, K.C.1    Steer, J.2
  • 12
    • 34247891554 scopus 로고    scopus 로고
    • Sexual differences in food re-caching by New Zealand robins Petrocia australis
    • doi:10.1111/j.0908-8857.2007.03864.x
    • Burns, K. C. & van Horik, J. 2006 Sexual differences in food re-caching by New Zealand robins Petrocia australis. J. Avian Biol. 38, 394-398. (doi:10.1111/j.0908-8857.2007.03864.x)
    • (2006) J. Avian Biol , vol.38 , pp. 394-398
    • Burns, K.C.1    van Horik, J.2
  • 13
    • 0004002997 scopus 로고
    • New York, NY: Natural History Press
    • Carlquist, S. 1965 Island life. New York, NY: Natural History Press.
    • (1965) Island life
    • Carlquist, S.1
  • 14
    • 0032541570 scopus 로고    scopus 로고
    • Episodic-like memory during cache recovery by scrub jays
    • doi:10.1038/26216
    • Clayton, N. S. & Dickinson, A. 1998 Episodic-like memory during cache recovery by scrub jays. Nature 395, 272-278. (doi:10.1038/26216)
    • (1998) Nature , vol.395 , pp. 272-278
    • Clayton, N.S.1    Dickinson, A.2
  • 15
    • 18744407071 scopus 로고    scopus 로고
    • Food caching by western scrub-jays (Aphelocoma californica) is sensitive to conditions at recovery
    • doi:10.1037/0097-7403.31.2.115
    • Clayton, N. S., Dally, J. M., Gilbert, J. D. J. & Dickinson, A. 2005 Food caching by western scrub-jays (Aphelocoma californica) is sensitive to conditions at recovery. J. Exp. Psychol. Anim. Behav. Process. 31, 115-124. (doi:10.1037/0097-7403.31.2.115)
    • (2005) J. Exp. Psychol. Anim. Behav. Process , vol.31 , pp. 115-124
    • Clayton, N.S.1    Dally, J.M.2    Gilbert, J.D.J.3    Dickinson, A.4
  • 16
    • 33745468510 scopus 로고    scopus 로고
    • The behaviour and evolution of cache protection and pilferage
    • doi:10.1016/j.anbehav.2005.08.020
    • Dally, J. A., Clayton, N. S. & Emery, N. J. 2006 The behaviour and evolution of cache protection and pilferage. Anim. Behav. 72, 13-23. (doi:10.1016/j.anbehav.2005.08.020)
    • (2006) Anim. Behav , vol.72 , pp. 13-23
    • Dally, J.A.1    Clayton, N.S.2    Emery, N.J.3
  • 17
    • 84973955258 scopus 로고
    • Numerical competence in animals: Definitional issues, current evidence, and a new research agenda
    • Davis, H. & Pérusse, R. 1988 Numerical competence in animals: definitional issues, current evidence, and a new research agenda. Behav. Brain Sci. 11, 561-615.
    • (1988) Behav. Brain Sci , vol.11 , pp. 561-615
    • Davis, H.1    Pérusse, R.2
  • 18
    • 0032146302 scopus 로고    scopus 로고
    • Abstract representations of numbers in the animal and human brain
    • doi:10.1016/S0166-2236(98)01263-6
    • Dehaene, S., Dehaene-Lambertz, G. & Cohen, L. 1998 Abstract representations of numbers in the animal and human brain. Trends Neurosci. 21, 355-361. (doi:10.1016/S0166-2236(98)01263-6)
    • (1998) Trends Neurosci , vol.21 , pp. 355-361
    • Dehaene, S.1    Dehaene-Lambertz, G.2    Cohen, L.3
  • 19
    • 34548493880 scopus 로고    scopus 로고
    • Behavioural syndromes in Merriam's kangaroo rats (Dipodomys merriami): A test of competing hypotheses
    • doi:10.1098/rspb. 2007.0622
    • Dochtermann, N. A. & Jenkins, S. H. 2007 Behavioural syndromes in Merriam's kangaroo rats (Dipodomys merriami): a test of competing hypotheses. Proc. R. Soc. B 274, 2343-2349. (doi:10.1098/rspb. 2007.0622)
    • (2007) Proc. R. Soc. B , vol.274 , pp. 2343-2349
    • Dochtermann, N.A.1    Jenkins, S.H.2
  • 20
    • 33646554843 scopus 로고    scopus 로고
    • Cognitive ornithology: The evolution of avian intelligence
    • doi:10.1098/rstb.2005.1736
    • Emery, N. J. 2006 Cognitive ornithology: the evolution of avian intelligence. Phil. Trans. R. Soc. B 361, 23-43. (doi:10.1098/rstb.2005.1736)
    • (2006) Phil. Trans. R. Soc. B , vol.361 , pp. 23-43
    • Emery, N.J.1
  • 21
    • 10344252314 scopus 로고    scopus 로고
    • The mentality of crows: Convergent evolution of intelligence in corvids and apes
    • doi:10.1126/science.1098410
    • Emery, N. J. & Clayton, N. S. 2004 The mentality of crows: convergent evolution of intelligence in corvids and apes. Science 306, 1903-1907. (doi:10.1126/science.1098410)
    • (2004) Science , vol.306 , pp. 1903-1907
    • Emery, N.J.1    Clayton, N.S.2
  • 22
    • 3042701157 scopus 로고    scopus 로고
    • Core systems of number
    • doi:10.1016/j.tics.2004.05. 002
    • Feigenson, L., Dehaene, S. & Spelke, E. S. 2004 Core systems of number. Trends Cogn. Sci. 8, 307-314. (doi:10.1016/j.tics.2004.05. 002)
    • (2004) Trends Cogn. Sci , vol.8 , pp. 307-314
    • Feigenson, L.1    Dehaene, S.2    Spelke, E.S.3
  • 23
    • 0033968177 scopus 로고    scopus 로고
    • Non-verbal numerical cognition: From reals to integers
    • doi:10.1016/S1364-6613(99)01424-2
    • Gallistel, C. R. & Gelman, R. 2000 Non-verbal numerical cognition: from reals to integers. Trends Cogn. Sci. 4, 59-65. (doi:10.1016/S1364-6613(99)01424-2)
    • (2000) Trends Cogn. Sci , vol.4 , pp. 59-65
    • Gallistel, C.R.1    Gelman, R.2
  • 24
    • 4444255573 scopus 로고    scopus 로고
    • The learning curve: Implications of a quantitative analysis
    • doi:10.1073/pnas.0404965101
    • Gallistel, C. R., Fairhust, S. & Balsam, P. 2004 The learning curve: implications of a quantitative analysis. Proc. Natl Acad. Sci. USA 101, 13 124-13 131. (doi:10.1073/pnas.0404965101)
    • (2004) Proc. Natl Acad. Sci. USA , vol.101
    • Gallistel, C.R.1    Fairhust, S.2    Balsam, P.3
  • 25
    • 0003961893 scopus 로고    scopus 로고
    • Auckland, New Zealand: Reed Publishing
    • Gibbs, G. 1998 New Zealand weta. Auckland, New Zealand: Reed Publishing.
    • (1998) New Zealand weta
    • Gibbs, G.1
  • 26
    • 34548848056 scopus 로고    scopus 로고
    • Discrete quantity judgments in the great apes (Pan paniscus, Pan troglodytes, Gorilla gorilla, Pongo pygmaeus): The effect of presenting whole sets versus item-by-item
    • doi:10.1037/0735-7036.121.3.241
    • Hanus, D. & Call, J. 2007 Discrete quantity judgments in the great apes (Pan paniscus, Pan troglodytes, Gorilla gorilla, Pongo pygmaeus): the effect of presenting whole sets versus item-by-item. J. Comp. Psychol. 121, 214-249. (doi:10.1037/0735-7036.121.3.241)
    • (2007) J. Comp. Psychol , vol.121 , pp. 214-249
    • Hanus, D.1    Call, J.2
  • 27
    • 0000618702 scopus 로고    scopus 로고
    • What do animals think about numbers?
    • doi:10.1511/2000.19.863
    • Hauser, M. D. 2000 What do animals think about numbers? Am. Sci. 88, 144-151. (doi:10.1511/2000.19.863)
    • (2000) Am. Sci , vol.88 , pp. 144-151
    • Hauser, M.D.1
  • 28
    • 0034701439 scopus 로고    scopus 로고
    • Spontaneous number representation in semi-free-ranging rhesus monkeys
    • doi:10.1098/rspb.2000.1078
    • Hauser, M. D., Carey, S. & Hauser, L. B. 2000 Spontaneous number representation in semi-free-ranging rhesus monkeys. Proc. R. Soc. B 267, 829-833. (doi:10.1098/rspb.2000.1078)
    • (2000) Proc. R. Soc. B , vol.267 , pp. 829-833
    • Hauser, M.D.1    Carey, S.2    Hauser, L.B.3
  • 31
    • 26844525813 scopus 로고    scopus 로고
    • Analog number representations mongoose lemurs (Eulemur mongoz): Evidence from a search task
    • doi:10.1007/s10071-004-0251-x
    • Lewis, K. P., Jaffe, J. & Brannon, E. M. 2005 Analog number representations mongoose lemurs (Eulemur mongoz): evidence from a search task. Anim. Cogn. 8, 247-252. (doi:10.1007/s10071-004-0251-x)
    • (2005) Anim. Cogn , vol.8 , pp. 247-252
    • Lewis, K.P.1    Jaffe, J.2    Brannon, E.M.3
  • 32
    • 0037417296 scopus 로고    scopus 로고
    • Egg recognition and counting reduce costs of avian conspecfic brood parasitism
    • doi:10.1038/nature01505
    • Lyon, B. E. 2003 Egg recognition and counting reduce costs of avian conspecfic brood parasitism. Nature 422, 495-499. (doi:10.1038/nature01505)
    • (2003) Nature , vol.422 , pp. 495-499
    • Lyon, B.E.1
  • 33
    • 34547886478 scopus 로고    scopus 로고
    • Selective hippocampal cholinergic deafferentation impairs self-movement cue use during a food hoarding task
    • doi:10.1016/j.bbr.2007.05.026
    • Martin, M. M. & Wallace, D. G. 2007 Selective hippocampal cholinergic deafferentation impairs self-movement cue use during a food hoarding task. Behav. Brain Res. 183, 78-86. (doi:10.1016/j.bbr.2007.05.026)
    • (2007) Behav. Brain Res , vol.183 , pp. 78-86
    • Martin, M.M.1    Wallace, D.G.2
  • 34
    • 36048992567 scopus 로고    scopus 로고
    • Grey parrot numerical competence: A review
    • doi:10.1007/s10071-006-0034-7
    • Pepperberg, I. M. 2006 Grey parrot numerical competence: a review. Anim. Cogn. 9, 377-391. (doi:10.1007/s10071-006-0034-7)
    • (2006) Anim. Cogn , vol.9 , pp. 377-391
    • Pepperberg, I.M.1
  • 35
    • 0011831399 scopus 로고
    • Food storing behaviour of the South Island robin
    • Powlesland, R. G. 1980 Food storing behaviour of the South Island robin. Mauri Ora 8, 11-20.
    • (1980) Mauri Ora , vol.8 , pp. 11-20
    • Powlesland, R.G.1
  • 36
    • 0242647654 scopus 로고
    • The foraging behaviour of the South Island robin
    • Powlesland, R. G. 1981 The foraging behaviour of the South Island robin. Notornis 28, 89-102.
    • (1981) Notornis , vol.28 , pp. 89-102
    • Powlesland, R.G.1
  • 37
    • 0002109138 scopus 로고
    • A theory of Pavlovian condition: Variations in the effectiveness of reinforcement and nonreinforcement
    • eds A. H. Black & W. F. Prokasy, pp, New York, NY: Appleton Century-Crofts
    • Rescorla, R. A. & Wagner, A. R. 1972 A theory of Pavlovian condition: variations in the effectiveness of reinforcement and nonreinforcement. In Classical conditioning II: current research and theory (eds A. H. Black & W. F. Prokasy), pp. 64-99. New York, NY: Appleton Century-Crofts.
    • (1972) Classical conditioning II: Current research and theory , pp. 64-99
    • Rescorla, R.A.1    Wagner, A.R.2
  • 39
    • 33646417626 scopus 로고    scopus 로고
    • A multi-disciplinary approach to understanding hippocampal function in food-hoarding birds
    • Smulders, T. V. 2006 A multi-disciplinary approach to understanding hippocampal function in food-hoarding birds. Rev. Neurosci. 17, 53-69.
    • (2006) Rev. Neurosci , vol.17 , pp. 53-69
    • Smulders, T.V.1
  • 40
    • 42449149461 scopus 로고    scopus 로고
    • Seasonal variation in male-female competition, cooperation and selfish hoarding in a monogamous songbird
    • doi:10.1007/s00265-008- 0546-z
    • Steer, J. & Burns, K. C. 2008 Seasonal variation in male-female competition, cooperation and selfish hoarding in a monogamous songbird. Behav. Ecol. Sociobiol. 62, 1175-1183. (doi:10.1007/s00265-008- 0546-z)
    • (2008) Behav. Ecol. Sociobiol , vol.62 , pp. 1175-1183
    • Steer, J.1    Burns, K.C.2
  • 41
    • 34748883750 scopus 로고    scopus 로고
    • When quantity trumps number: Discrimination experiments in cotton-top tamarins (Saguinus oedipus) and common marmosets (Callithrix jacchus)
    • doi:10.1007/s10071-007-0081-8
    • Stevens, J. R., Wood, J. N. & Hauser, M. D. 2007 When quantity trumps number: discrimination experiments in cotton-top tamarins (Saguinus oedipus) and common marmosets (Callithrix jacchus). Anim. Cogn. 10, 429-437. (doi:10.1007/s10071-007-0081-8)
    • (2007) Anim. Cogn , vol.10 , pp. 429-437
    • Stevens, J.R.1    Wood, J.N.2    Hauser, M.D.3
  • 42
    • 36749042009 scopus 로고    scopus 로고
    • Relative numerosity discrimination by chimpanzees (Pan troglodytes): Evidence for approximate numerical representations
    • doi:10.1007/s10071-007-0089-0
    • Tomonaga, M. 2008 Relative numerosity discrimination by chimpanzees (Pan troglodytes): evidence for approximate numerical representations. Anim. Cogn. 11, 43-57. (doi:10.1007/s10071-007-0089-0)
    • (2008) Anim. Cogn , vol.11 , pp. 43-57
    • Tomonaga, M.1
  • 43
    • 0027961585 scopus 로고
    • Why are small and large numbers enumerated differently? A limited capacity preattentive stage in vision
    • doi:10.1037/0033-295X.101.1.80
    • Trick, L. & Pylyshyn, Z. 1994 Why are small and large numbers enumerated differently? A limited capacity preattentive stage in vision. Psychol. Rev. 101, 80-102. (doi:10.1037/0033-295X.101.1.80)
    • (1994) Psychol. Rev , vol.101 , pp. 80-102
    • Trick, L.1    Pylyshyn, Z.2
  • 44
    • 44449139089 scopus 로고    scopus 로고
    • How the great apes (Pan troglodytes, Pongo pygmaeus, Pan panuscus, and Gorilla gorilla) perform on the reversed reward contingency task II: Transfer to new quantities, long-term retention, and the impact of quantity ratios
    • doi:10.1037/0735-7036.122.2.204
    • Uher, J. & Call, J. 2008 How the great apes (Pan troglodytes, Pongo pygmaeus, Pan panuscus, and Gorilla gorilla) perform on the reversed reward contingency task II: transfer to new quantities, long-term retention, and the impact of quantity ratios. J. Comp. Psychol. 122, 204-212. (doi:10.1037/0735-7036.122.2.204)
    • (2008) J. Comp. Psychol , vol.122 , pp. 204-212
    • Uher, J.1    Call, J.2
  • 45
    • 0042853151 scopus 로고    scopus 로고
    • Salamanders (Plethodon cinereus) go for more: Rudiments of number in an amphibian
    • doi:10.1007/s10071-003-0167-x
    • Uller, C., Jaeger, R., Guidry, G. & Martin, C. 2003 Salamanders (Plethodon cinereus) go for more: rudiments of number in an amphibian. Anim. Cogn. 6, 105-112. (doi:10.1007/s10071-003-0167-x)
    • (2003) Anim. Cogn , vol.6 , pp. 105-112
    • Uller, C.1    Jaeger, R.2    Guidry, G.3    Martin, C.4
  • 46
    • 34250006237 scopus 로고    scopus 로고
    • Cache spacing patterns and reciprocal cache theft in New Zealand robins
    • doi:10.1016/j.anbehav.2006.07.014
    • van Horik, J. & Burns, K. C. 2007 Cache spacing patterns and reciprocal cache theft in New Zealand robins. Anim. Behav. 73, 1043-1049. (doi:10.1016/j.anbehav.2006.07.014)
    • (2007) Anim. Behav , vol.73 , pp. 1043-1049
    • van Horik, J.1    Burns, K.C.2
  • 47
    • 33751431461 scopus 로고    scopus 로고
    • How capuchin monkeys (Cebus apella) quantify objects and substances
    • doi:10.1037/0735-7036.120.4.416
    • van Marle, K., Aw, J., McCrink, K. & Santos, L. 2006 How capuchin monkeys (Cebus apella) quantify objects and substances. J. Comp. Psychol. 120, 416-426. (doi:10.1037/0735-7036.120.4.416)
    • (2006) J. Comp. Psychol , vol.120 , pp. 416-426
    • van Marle, K.1    Aw, J.2    McCrink, K.3    Santos, L.4
  • 49
    • 0142031450 scopus 로고    scopus 로고
    • Reciprocal pilferage and the evolution of food-hoarding behaviour
    • doi:10.1093/beheco/arg064
    • Vander Wall, S. B. & Jenkins, S. H. 2003 Reciprocal pilferage and the evolution of food-hoarding behaviour. Behav. Ecol. 14, 656-667. (doi:10.1093/beheco/arg064)
    • (2003) Behav. Ecol , vol.14 , pp. 656-667
    • Vander Wall, S.B.1    Jenkins, S.H.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.