메뉴 건너뛰기




Volumn 1, Issue 4, 2003, Pages 261-317

Models and solution techniques for frequency assignment problems

Author keywords

Channel assignment; Exact methods; Frequency assignment; Heuristics; Models

Indexed keywords


EID: 84891657209     PISSN: 16194500     EISSN: 16142411     Source Type: Journal    
DOI: 10.1007/s10288-003-0022-6     Document Type: Article
Times cited : (122)

References (125)
  • 5
    • 0032155031 scopus 로고    scopus 로고
    • Optimal radio channel assignment through the new binary dynamic simulated annealing algorithm
    • Al-Khaled FS (1998) Optimal radio channel assignment through the new binary dynamic simulated annealing algorithm. International Journal of Communication Systems 11: 327-336.
    • (1998) International Journal of Communication Systems , vol.11 , pp. 327-336
    • Al-Khaled, F.S.1
  • 6
    • 0002851467 scopus 로고    scopus 로고
    • Lower bounding techniques for frequency assignment
    • Allen SM, Smith DH, Hurley S (1999) Lower bounding techniques for frequency assignment. Discrete Mathematics 197/198: 41-52.
    • (1999) Discrete Mathematics , vol.197-198 , pp. 41-52
    • Allen, S.M.1    Smith, D.H.2    Hurley, S.3
  • 7
    • 0015681213 scopus 로고
    • A simulation study of some dynamic channel assignment algorithms in a high capacity mobile telecommunications system
    • Anderson LG (1973) A simulation study of some dynamic channel assignment algorithms in a high capacity mobile telecommunications system. IEEE Transactions on Communications 21: 1294-1301.
    • (1973) IEEE Transactions on Communications , vol.21 , pp. 1294-1301
    • Anderson, L.G.1
  • 8
    • 3242657867 scopus 로고    scopus 로고
    • Minimizing the span of d-walks to compute optimum frequency assignments
    • Previously published as techincal report 04-00, DIS-Universitá di Roma "La Sapienza", Rome, Italy
    • AvenaliA, Mannino C, SassanoA (2002) Minimizing the span of d-walks to compute optimum frequency assignments. Mathematical Programming 91(2): 357-374. Previously published as techincal report 04-00, DIS-Universitá di Roma "La Sapienza", Rome, Italy.
    • (2002) Mathematical Programming , vol.91 , Issue.2 , pp. 357-374
    • Avenali, A.1    Mannino, C.2    Sassano, A.3
  • 9
  • 11
    • 0032593365 scopus 로고    scopus 로고
    • A new strategy for the application of genetic algorithms to the channelassignment problem
    • Beckmann D, Killat U (1999b) A new strategy for the application of genetic algorithms to the channelassignment problem. IEEE Transactions on Vehicular Technology 48(4): 1261-1269.
    • (1999) IEEE Transactions on Vehicular Technology , vol.48 , Issue.4 , pp. 1261-1269
    • Beckmann, D.1    Killat, U.2
  • 14
    • 84947711895 scopus 로고    scopus 로고
    • Treewidth: Algorithmic techniques and results
    • Proceedings 22nd International Symposium on Mathematical Foundations of Computer Science, MFCS'97
    • Bodlaender HL (1997) Treewidth: Algorithmic techniques and results. Lecture Notes in Computer Science 1295: 29-36. Proceedings 22nd International Symposium on Mathematical Foundations of Computer Science, MFCS'97.
    • (1997) Lecture Notes in Computer Science , vol.1295 , pp. 29-36
    • Bodlaender, H.L.1
  • 20
    • 0017969722 scopus 로고
    • A heuristic technique for assigning frequencies to mobile radio nets
    • Box F (1978) A heuristic technique for assigning frequencies to mobile radio nets. IEEE Transactions on Vehicular Technology 27: 57-74.
    • (1978) IEEE Transactions on Vehicular Technology , vol.27 , pp. 57-74
    • Box, F.1
  • 21
    • 0018456690 scopus 로고
    • Newmethods to color the vertices of a graph
    • BrélazD (1979) Newmethods to color the vertices of a graph. Communications of the ACM22: 251-256.
    • (1979) Communications of the ACM , vol.22 , pp. 251-256
    • Brélaz, D.1
  • 23
    • 84891639633 scopus 로고
    • CALMA website, Publications and instances available at FTP Site
    • CALMA website (1995) EUCLID CALMA project. Publications and instances available at FTP Site: ftp://ftp. win. tue. nl/pub/techreports/CALMA/.
    • (1995) EUCLID CALMA project
  • 25
    • 0032593361 scopus 로고    scopus 로고
    • Channel assignment problem in cellular systems: A new model and a tabu search algorithm
    • Capone A, Trubian M (1999) Channel assignment problem in cellular systems: a new model and a tabu search algorithm. IEEE Transactions on Vehicular Technology 48(4): 1252-1260.
    • (1999) IEEE Transactions on Vehicular Technology , vol.48 , Issue.4 , pp. 1252-1260
    • Capone, A.1    Trubian, M.2
  • 28
    • 0031238108 scopus 로고    scopus 로고
    • Channel allocation in cellular radio networks
    • Chang K-N, Kim S (1997) Channel allocation in cellular radio networks. Computers and Operations Research 24(9): 849-860.
    • (1997) Computers and Operations Research , vol.24 , Issue.9 , pp. 849-860
    • Chang, K.-N.1    Kim, S.2
  • 31
    • 21144483217 scopus 로고
    • On the use of some known methods for t-colourings of graphs
    • Costa D (1993) On the use of some known methods for t-colourings of graphs. Annals of Operations Research 41: 343-358.
    • (1993) Annals of Operations Research , vol.41 , pp. 343-358
    • Costa, D.1
  • 32
    • 0009530215 scopus 로고
    • T-colorings of graphs and the channel assignment problem
    • Cozzens MB, Roberts FS (1982) T-colorings of graphs and the channel assignment problem. Congressus Numerantium 35: 191-208.
    • (1982) Congressus Numerantium , vol.35 , pp. 191-208
    • Cozzens, M.B.1    Roberts, F.S.2
  • 33
    • 22444451979 scopus 로고    scopus 로고
    • The breeder genetic algorithm for frequency assignment
    • Crisan C, Mühlenbein H (1998) The breeder genetic algorithm for frequency assignment. Lecture Notes in Computer Science 1498: 897-906.
    • (1998) Lecture Notes in Computer Science , vol.1498 , pp. 897-906
    • Crisan, C.1    Mühlenbein, H.2
  • 37
    • 0029515969 scopus 로고
    • An evolutionary approach for frequency assignment in cellular radio networks
    • In:, Perth, Australia
    • Dorne R, Hao J-K (1995) An evolutionary approach for frequency assignment in cellular radio networks. In: IEEE Int. Conference on Evolutionary Computing, Perth, Australia.
    • (1995) IEEE Int. Conference on Evolutionary Computing
    • Dorne, R.1    Hao, J.-K.2
  • 38
    • 84958980955 scopus 로고    scopus 로고
    • Constraint handling in evolutionary search: A case study of the frequency assignment
    • Dorne R, Hao J-K (1996) Constraint handling in evolutionary search: A case study of the frequency assignment. Lecture Notes in Computer Science 1141: 801-810.
    • (1996) Lecture Notes in Computer Science , vol.1141 , pp. 801-810
    • Dorne, R.1    Hao, J.-K.2
  • 39
    • 84878602368 scopus 로고    scopus 로고
    • A new genetic local search algorithm for graph coloring
    • Dorne R, Hao J-K (1998) A new genetic local search algorithm for graph coloring. Lecture Notes in Computer Science 1498: 745-754.
    • (1998) Lecture Notes in Computer Science , vol.1498 , pp. 745-754
    • Dorne, R.1    Hao, J.-K.2
  • 46
    • 85029002053 scopus 로고    scopus 로고
    • FAP web, URL, Maintained by A. Eisenblätter and A.M.C.A. Koster
    • FAP web (2000-2003) A website devoted to frequency assignment. URL: http://fap. zib. de. Maintained by A. Eisenblätter and A. M. C. A. Koster.
    • (2000) A website devoted to frequency assignment
  • 47
    • 0033880603 scopus 로고    scopus 로고
    • Frequency assignment in mobile radio systems using branch-and-cut techniques
    • Previously published as technical report of the Universita di Padova
    • Fischetti M, Lepschy C, Minerva G, Romanin-Jacur G, Toto E (2000) Frequency assignment in mobile radio systems using branch-and-cut techniques. European Journal of Operational Research 123: 241-255. Previously published as technical report of the Universita di Padova.
    • (2000) European Journal of Operational Research , vol.123 , pp. 241-255
    • Fischetti, M.1    Lepschy, C.2    Minerva, G.3    Romanin-Jacur, G.4    Toto, E.5
  • 48
    • 0026943333 scopus 로고
    • A neural network parallel algorithm for channel assignment problems in cellular radio networks
    • Funabiki N, Takefuji Y (1992) A neural network parallel algorithm for channel assignment problems in cellular radio networks. IEEE Transactions on Vehicular Technology 41: 430-437.
    • (1992) IEEE Transactions on Vehicular Technology , vol.41 , pp. 430-437
    • Funabiki, N.1    Takefuji, Y.2
  • 49
    • 0022665248 scopus 로고
    • Some lower bounds for a class of frequency assignment problems
    • GamstA (1986) Some lower bounds for a class of frequency assignment problems. IEEE Transactions on Vehicular Technology 35: 8-14.
    • (1986) IEEE Transactions on Vehicular Technology , vol.35 , pp. 8-14
    • Gamst, A.1
  • 51
    • 0020249521 scopus 로고
    • On frequency assignment in mobile automatic telephone systems
    • In:, IEEE
    • Gamst A, Rave W (1982) On frequency assignment in mobile automatic telephone systems. In: Proceedings of GLOBECOM'82. IEEE.
    • (1982) Proceedings of GLOBECOM'82
    • Gamst, A.1    Rave, W.2
  • 52
    • 0031207145 scopus 로고    scopus 로고
    • Application of mathematical programming to the fixed channel assignment problem in mobile radio networks
    • GiortzisAI, Turner LF (1997) Application of mathematical programming to the fixed channel assignment problem in mobile radio networks. IEE Proceedings-Communications 144: 257-264.
    • (1997) IEE Proceedings-Communications , vol.144 , pp. 257-264
    • Giortzis, A.I.1    Turner, L.F.2
  • 53
    • 0019213982 scopus 로고
    • Frequency assignment: Theory and applications
    • Hale WK (1980) Frequency assignment: Theory and applications. Proceedings of the IEEE 68: 1497-1514.
    • (1980) Proceedings of the IEEE , vol.68 , pp. 1497-1514
    • Hale, W.K.1
  • 54
    • 84949188030 scopus 로고    scopus 로고
    • Study of genetic search for the frequency assignment problem
    • Hao J-K, Dorne R (1996) Study of genetic search for the frequency assignment problem. Lecture Notes in Computer Science 1063: 333-344.
    • (1996) Lecture Notes in Computer Science , vol.1063 , pp. 333-344
    • Hao, J.-K.1    Dorne, R.2
  • 55
    • 0032092754 scopus 로고    scopus 로고
    • Tabu search for frequency assignment in moblie radio networks
    • Hao J-K, Dorne R, Galinier P (1998) Tabu search for frequency assignment in moblie radio networks. Journal of Heuristics 4: 47-62.
    • (1998) Journal of Heuristics , vol.4 , pp. 47-62
    • Hao, J.-K.1    Dorne, R.2    Galinier, P.3
  • 58
    • 34250219666 scopus 로고    scopus 로고
    • Meta-heuristics and channel assignment
    • In: Leese R, Hurley S (eds), chap 3. Oxford University Press
    • Hurley S, Smith DH (2002) Meta-heuristics and channel assignment. In: Leese R, Hurley S (eds) Methods and Algorithms for Radio Channel Assignment, chap 3. Oxford University Press.
    • (2002) Methods and Algorithms for Radio Channel Assignment
    • Hurley, S.1    Smith, D.H.2
  • 59
    • 0031233009 scopus 로고    scopus 로고
    • FASoft: A system for discrete channel frequency assignment
    • Hurley S, Smith DH, Thiel SU (1997) FASoft: A system for discrete channel frequency assignment. Radio Science 32: 1921-1939.
    • (1997) Radio Science , vol.32 , pp. 1921-1939
    • Hurley, S.1    Smith, D.H.2    Thiel, S.U.3
  • 61
    • 0032628372 scopus 로고    scopus 로고
    • An optimal solution to the "Philadelphia" channel assignment problem
    • Previously published as report CDAM-96-16, London School of Economics
    • Janssen J, Kilakos K (1999) An optimal solution to the "Philadelphia" channel assignment problem. IEEE Transactions on Vehicular Technology 48(3): 1012-1014. Previously published as report CDAM-96-16, London School of Economics.
    • (1999) IEEE Transactions on Vehicular Technology , vol.48 , Issue.3 , pp. 1012-1014
    • Janssen, J.1    Kilakos, K.2
  • 64
    • 0037952116 scopus 로고    scopus 로고
    • Mathematical models and exact methods for channel assignment in cellular networks
    • In: Sansáo B, Soriano P (eds), chap 13,. Kluwer Academic Publishers, Boston
    • Jaumard B, Marcotte O, Meyer C (1999) Mathematical models and exact methods for channel assignment in cellular networks. In: Sansáo B, Soriano P (eds) Telecommunications Network Planning, chap 13, pp 239-255. Kluwer Academic Publishers, Boston.
    • (1999) Telecommunications Network Planning , pp. 239-255
    • Jaumard, B.1    Marcotte, O.2    Meyer, C.3
  • 65
    • 84891655670 scopus 로고    scopus 로고
    • Comparison of column generation models for channel assignment in cellular networks
    • Previously published as technical report of Ecole Polytechnique de Montréal
    • Jaumard B, Marcotte O, Meyer C, Vovor T (2002) Comparison of column generation models for channel assignment in cellular networks. Discrete Applied Mathematics 118: 299-322. Previously published as technical report of Ecole Polytechnique de Montréal.
    • (2002) Discrete Applied Mathematics , vol.118 , pp. 299-322
    • Jaumard, B.1    Marcotte, O.2    Meyer, C.3    Vovor, T.4
  • 67
    • 34249928512 scopus 로고
    • An interior point algorithm to solve computationally difficult set covering problems
    • Karmarkar N, Resende MGC, Ramakrishnan KG (1991) An interior point algorithm to solve computationally difficult set covering problems. Mathematical Programming 52: 597-618.
    • (1991) Mathematical Programming , vol.52 , pp. 597-618
    • Karmarkar, N.1    Resende, M.G.C.2    Ramakrishnan, K.G.3
  • 68
    • 0030172707 scopus 로고    scopus 로고
    • Channel assignment schemes for cellular mobile telecommunication systems
    • Katzela I, Naghshineh M (1996) Channel assignment schemes for cellular mobile telecommunication systems. Personal Communications Magazine 3(3): 10-31.
    • (1996) Personal Communications Magazine , vol.3 , Issue.3 , pp. 10-31
    • Katzela, I.1    Naghshineh, M.2
  • 71
    • 0028590344 scopus 로고
    • Solving the frequency assignment problem with simulated annealing
    • Knälmann A, QuellmalzA (1994) Solving the frequency assignment problem with simulated annealing. IEE conference publication 396: 233-240.
    • (1994) IEE conference publication , vol.396 , pp. 233-240
    • Knälmann, A.1    Quellmalz, A.2
  • 77
    • 17744384878 scopus 로고    scopus 로고
    • Lower bounds for minimum interference frequency assignment problems
    • Previously published as Research Memorandum 99/026, Universteit Maastricht; available at
    • KosterAMCA, van Hoesel CPM, KolenAWJ (2001) Lower bounds for minimum interference frequency assignment problems. Ricerca Operativa 30(94-95): 101-116. Previously published as Research Memorandum 99/026, Universteit Maastricht; available at http://www. zib. de/koster/http://www. zib. de/koster.
    • (2001) Ricerca Operativa , vol.30 , Issue.94-95 , pp. 101-116
    • Koster, A.M.C.A.1    van Hoesel, C.P.M.2    Kolen, A.W.J.3
  • 78
    • 0026103220 scopus 로고
    • Channel assignment for cellular radio using neural networks
    • Kunz D (1991) Channel assignment for cellular radio using neural networks. IEEE Transactions on Vehicular Technology 40: 188-193.
    • (1991) IEEE Transactions on Vehicular Technology , vol.40 , pp. 188-193
    • Kunz, D.1
  • 80
    • 0008725436 scopus 로고    scopus 로고
    • (eds), Oxford Lecture Series in Mathematics and its Applications. Oxford University Press, Oxford, United Kingdom
    • Leese R, Hurley S (eds) (2002) Methods and Algorithms for Radio Channel Assignment. Oxford Lecture Series in Mathematics and its Applications. Oxford University Press, Oxford, United Kingdom.
    • (2002) Methods and Algorithms for Radio Channel Assignment
    • Leese, R.1    Hurley, S.2
  • 84
    • 84867970586 scopus 로고    scopus 로고
    • An enumerative algorithm for the frequency assignment problem
    • Mannino C, SassanoA (2003)An enumerative algorithm for the frequency assignment problem. Discrete Applied Mathematics 129(1): 155-169.
    • (2003) Discrete Applied Mathematics , vol.129 , Issue.1 , pp. 155-169
    • Mannino, C.1    Sassano, A.2
  • 86
  • 87
    • 0038570034 scopus 로고
    • Presentation at 38th National ORSA meeting (Detroit, MI)
    • Metzger BH (1970) Spectrum management technique. Presentation at 38th National ORSA meeting (Detroit, MI).
    • (1970) Spectrum management technique
    • Metzger, B.H.1
  • 88
    • 0036766703 scopus 로고    scopus 로고
    • An ANTS algorithm for the minimum-span frequencyassignment problem with multiple interference
    • Montemanni R, Smith DH, Allen SM (2002a) An ANTS algorithm for the minimum-span frequencyassignment problem with multiple interference. IEEE Transactions on Vehicular Technology 15(5): 949-953.
    • (2002) IEEE Transactions on Vehicular Technology , vol.15 , Issue.5 , pp. 949-953
    • Montemanni, R.1    Smith, D.H.2    Allen, S.M.3
  • 90
    • 0002456462 scopus 로고    scopus 로고
    • Frequency assignment problems
    • In: Du D-Z, Pardalos PM (eds), vol Supplement Volume A. Kluwer Academic Publishers
    • Murphey RA, Pardalos PM, Resende MGC (1999) Frequency assignment problems. In: Du D-Z, Pardalos PM (eds) Handbook of combinatorial optimization, vol Supplement Volume A. Kluwer Academic Publishers.
    • (1999) Handbook of combinatorial optimization
    • Murphey, R.A.1    Pardalos, P.M.2    Resende, M.G.C.3
  • 92
    • 0000554158 scopus 로고    scopus 로고
    • Fixed channel assignment in cellular radio networks using a modified genetic algorithm
    • Ngo CY, Li VOK (1998) Fixed channel assignment in cellular radio networks using a modified genetic algorithm. IEEE Transactions on Vehicular Technology 47: 163-171.
    • (1998) IEEE Transactions on Vehicular Technology , vol.47 , pp. 163-171
    • Ngo, C.Y.1    Li, V.O.K.2
  • 94
    • 0024718137 scopus 로고
    • The boolean quadric polytope: Some characteristics, facets and relatives
    • Padberg M (1989) The boolean quadric polytope: Some characteristics, facets and relatives. Mathematical Programming 45: 139-172.
    • (1989) Mathematical Programming , vol.45 , pp. 139-172
    • Padberg, M.1
  • 96
    • 26944477457 scopus 로고    scopus 로고
    • Application of the graph coloring algorithm to the frequency assignment problem
    • ParkT, LeeCY (1996) Application of the graph coloring algorithm to the frequency assignment problem. Journal of the Operations Research Society of Japan 39: 258-265.
    • (1996) Journal of the Operations Research Society of Japan , vol.39 , pp. 258-265
    • Park, T.1    Lee, C.Y.2
  • 97
    • 38249023260 scopus 로고
    • A randomised 3-colouring algorithm
    • Petford A, Welsh D (1989) A randomised 3-colouring algorithm. Discrete Mathematics 74: 253-261.
    • (1989) Discrete Mathematics , vol.74 , pp. 253-261
    • Petford, A.1    Welsh, D.2
  • 98
  • 100
    • 0040693645 scopus 로고
    • Further results on t-coloring and frequency assignment problems
    • RaychaudhuriA (1994) Further results on t-coloring and frequency assignment problems. SIAM Journal on Discrete Mathematics 7(4): 605-613.
    • (1994) SIAM Journal on Discrete Mathematics , vol.7 , Issue.4 , pp. 605-613
    • Raychaudhuri, A.1
  • 101
    • 84891646628 scopus 로고    scopus 로고
    • ROADEF website, URL
    • ROADEF website (2000) ROADEF Challenge 2001. URL: http://www. prism. uvsq. fr/-vdc/ROADEF/CHALLENGES/2001/.
    • (2000) ROADEF Challenge 2001
  • 102
    • 0013110657 scopus 로고
    • t-colorings of graphs: Recent results and open problems
    • Roberts FS (1991) t-colorings of graphs: Recent results and open problems. Discrete Mathematics 93: 229-245.
    • (1991) Discrete Mathematics , vol.93 , pp. 229-245
    • Roberts, F.S.1
  • 107
    • 0035561106 scopus 로고    scopus 로고
    • Characteristics of good meta-heuristic algorihtms for the frequency assignment problem
    • Smith DH, Allen SM, Hurley S (2002) Characteristics of good meta-heuristic algorihtms for the frequency assignment problem. Annals of Operations Research 107(1-4): 285-301.
    • (2002) Annals of Operations Research , vol.107 , Issue.1-4 , pp. 285-301
    • Smith, D.H.1    Allen, S.M.2    Hurley, S.3
  • 111
    • 0031211647 scopus 로고    scopus 로고
    • Sequential packing algorithm for channel assignment under cochannel and adjacent channel interference constraint
    • Sung CW, WongWS (1997) Sequential packing algorithm for channel assignment under cochannel and adjacent channel interference constraint. IEEE Transactions on Vehicular Technology 46: 676-685.
    • (1997) IEEE Transactions on Vehicular Technology , vol.46 , pp. 676-685
    • Sung, C.W.1    Wong, W.S.2
  • 113
    • 0019437330 scopus 로고
    • Frequency planning as a set partitioning problem
    • Thuve H (1981) Frequency planning as a set partitioning problem. European Journal of Operational Research 6: 29-37.
    • (1981) European Journal of Operational Research , vol.6 , pp. 29-37
    • Thuve, H.1
  • 115
    • 84891643257 scopus 로고    scopus 로고
    • Solving the radio link frequency assignment problem using guided local search
    • In:, Aalborg, Denmark
    • Tsang E, Voudouris C (1998) Solving the radio link frequency assignment problem using guided local search. In: NATO Symposium on Radio Length Frequency Assignment. Aalborg, Denmark. http://cswww. essex. ac. uk/CSP/papers. html.
    • (1998) NATO Symposium on Radio Length Frequency Assignment
    • Tsang, E.1    Voudouris, C.2
  • 116
    • 84878536059 scopus 로고    scopus 로고
    • A permutation based genetic algorithm for minimum span frequency assignment
    • Valenzuela C, Hurley S, Smith DH (1998) A permutation based genetic algorithm for minimum span frequency assignment. Lecture Notes in Computer Science 1498: 907-916.
    • (1998) Lecture Notes in Computer Science , vol.1498 , pp. 907-916
    • Valenzuela, C.1    Hurley, S.2    Smith, D.H.3
  • 118
    • 0003158405 scopus 로고
    • Critical graphs with given chromatic class (russian)
    • Vizing VG (1965) Critical graphs with given chromatic class (russian). Diskret. Analiz 5: 9-17.
    • (1965) Diskret. Analiz , vol.5 , pp. 9-17
    • Vizing, V.G.1
  • 119
  • 120
    • 0030212640 scopus 로고    scopus 로고
    • An adaptive local-search algorithm for the channel-assignment problem (CAP)
    • WangW, Rushforth CK (1996) An adaptive local-search algorithm for the channel-assignment problem (CAP). IEEE Transactions on Vehicular Technology 45: 459-466.
    • (1996) IEEE Transactions on Vehicular Technology , vol.45 , pp. 459-466
    • Wang, W.1    Rushforth, C.K.2
  • 124
    • 0026156667 scopus 로고
    • The nonuniform compact pattern allocation algorithm for cellular mobile systems
    • Zhang M, Yum TP (1991) The nonuniform compact pattern allocation algorithm for cellular mobile systems. IEEE Transactions on Vehicular Technology 40: 387-391.
    • (1991) IEEE Transactions on Vehicular Technology , vol.40 , pp. 387-391
    • Zhang, M.1    Yum, T.P.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.