2000 79 ( 100080),,, ( ),,,, :,,,,,,, :,,,,, ;,, () () ( ), ; : 1999-01- 16 104 ( ) ( ) ;,, (1), : (1) :,,, WWW,, ( 2) :,,, (3) :,,,,,,,,, ( 4) : 8 10, 24 (5) :
2000 79, ( ) ;,,,, 1, 111,,,,,,, 20 : 1975 1996, 33 ; 206,, 1 380 1995,,,,,, 50% ;, 30% 60-70,,,, 1977 22% 1996 8% ; 1977 56% 1996 13% ; 1997 22% 1996 78%,,, 1977 82 1995 7, 058, 86, 1 977 82 1995 750, 9, 1977 204 1995 1, 229, 6 9, 207,, 69%, 2, 300 ; 1991 806, 1995 10 31, 1038 1995 10M B 33%, 10M B - 100M B 42%, 100M B 25% ; 44%, 56%, ( ),,, 1038,,,,,,,,, :,,,,, ;,,,,,,, IS I UM I, SilverP latter, EBSCO E I ;,,,,,,,,,,,,,,,,,, 80,,, :,,,,,,,,,,,,,,,,,,, 105
2000 79,,, ( ),,,,,,, : (1) O PA C (), ; (2), ( ) ; ( 3), V CD ; ( 4),, E - M A IL ; (5), ; (6), BBS, ; (7) (VOD ),, () O PA C,,,,,,,, 112,, (1),,,,,,,,,,,, 106,,,,,,, (2),,,,,,,,, (3) O PA C ( ),, ( ),, (A ),,,,, ;,,,,,, - -,,, (B ), :,, a.,, b.,
2000 79 c.,,,, d.,,,,,, : a. ; b. ; c. ; d. 113 ( ), CA J- CD,,,, CA J- CD : 3500, 2200, 41. 5%, 1300, 33. 5% (A B C) ( ) 100, CA J - CD,, : 1995 8, 1996 1, 12, 1997 9, 2700, 1800, 860, 21 148, 50, 40 : 9 3 9 : ( ) ; 3 : ( ), 1300,, 1. 1, 2800 :, 1998 7,, 1999 4, 800 2, () : (1) ; (2) ; (3) Internet, 211, (1),,,,,,, D IALO G STN ORB IT BR S OCL C, 70 90 17, 105 1, 810,, 1991 1992 IM I (L EX ISgN EX IS, D IALO G, OCL C, EP IC ), 1974 75, 1995 7, 240,, 20 96, (), ( ) W P I() N T IS ( ) E I (),, :,, :, T YM N ET Sp rintn et D ialn et ; 90 Internet,,, Internet (1) 107
2000 79 1 Internet Sp rintn et T YM N ET D ialn et : Internet Sp rintn et T YM N ET D ialn et D ialog 3. 0 12. 0 12. 0 10. 8 STN 7. 0 () () () BRS 6. 0 () () () F irstsearch F ree () () () N EX ISgL EX IS F ree () () (),,,,,,,,, CD - ROM, :,,,, CD - ROM,, 1 1 Internet,, Internet,,,, 24,,,,, (2), ( ),, ( ),,,,,,,, 108 ( D ialog STN ) ( ), 100,,, : 210, : 1 386 1 1 1, 1 ( D ialog ),,,,,,,,,, : 1 386 1 1 (M OD EM ) 1 (), () (),, 60, 20,,,,,,,, 1 1 1 (1 PCM C IA 1 ), (3) Internet Internet 1994,,, 1,,,,, Internet,, Internet,,
2000 79,,, Internet :,,, ;,,,, Internet,,,,,, Internet, Internet Internet, WWW WWW, WORLD W ID E W EB,,,, WWW (hypertext), (U RL, U nifo rm R esource L o2 cato r) WWW g, WWW,, WWW, WWW E - M A IL GO PH ER FT P WWW, Internet,, : (1),,,,,,, : 1 586 1 1 1 W indow s3. X WWW,, (ISP, Internet Service P rovider), ISP,, ISP, ISP CH INAN ET, Internet,, IP 1 Internet 1 Internet, ISP Internet,, : 1.,, ; 2. Internet, ; 3. ( (altavista yahoo info seek) ; 4., (10 g),, ;,,, Internet,, (2), WWW WWW (Hom epage) (U RL ),,,,,,, U RL ( WWW ),, 1,,WWW : 1 1 WWW, WWW,,, (),,,,, (3) : W eb, W eb, (Pull),,, Internet 1 - - PU SH, 1,, (PU SH ) (N ETCA ST IN G) Push,,,,, Push,, 109
2000 79,,, Push, Push : W eb Push ( Po intcast BackW eb Pushback 2000 ) (N etscape In2 ternet Exp lo rer) ( ),,,,,,, 212,,,,,,,,,,,, :,, ;, ;,,, ;,, ;, 1. : (1) :,,,, D ialog, 3 (2) :,, 60, 20 (3) :,,, 1, 110,, (4) :, :D ilaog STN, 3,, 2. : ; ;,, :,,, : (1) : : (2-2) ; 1971,,,, (,ORB IT ESA STN BRS ),,,,,,, :,,,,,,,,,,,, 2-2 STN () (g) ( ) : ( ) B IO S IS 98. 00g1. 63 2. 30 2. 56 CA 52. 00g0. 87 3. 28 3. 54 COM PEND EX 108. 00g1. 80 3. 33 3. 33 COM PU SC IEN CE 108. 00g1. 80 2. 65 2. 65 IN SPEC 108. 00g1. 80 3. 33 3. 33
2000 79 M EDL IN E 49. 00g0. 82 0. 26 0. 52 N T IS 72. 00g1. 20 3. 05 3. 05 W P IND EX 383. 00g6. 38 5. 83 6. 97 (: STN PR ICE L ist, June, 1998) (2) :,,,,,, (2-3) 2-3 D ialog : 5 KW IC Per D ialu nit 6 B IO S IS 5. 25 0. 15 1. 45 1. 45 F ree CA 11. 75 free 2. 25 2. 25 0. 35 IN SPEC 5. 25 0. 20 1. 95 1. 95 F ree W P I 9. 75 free 3. 35 4. 00 F ree COM PEND EX 5. 25 0. 20 1. 95 1. 95 F ree M EDL IN E 3. 00 0. 05 0. 20 0. 20 F ree N T IS 5. 5 free 1. 55 1. 55 F ree : KW IC : keywo rd in context 5 6 + (: D ialog P rice, June, 1998) (3) : OCL C F irstsearch,, : (, ) (,, 500,, 0. 8, ) (2-4),,,,, OCL C,,,,, F irstsearch IN SPEC, 1, 1998 10 OCL C, 2-4 OCL C F irstsearch () 1-9 500-4500 U S 1. 00 U S 500-4500 10-60 5, 000-30, 000 U S 0. 90 4, 500-27, 000 61+ 30, 500+ 0. 80 24, 400+ : 1 = 500 (: OCL C F irstsearch, 1998) 213 1967 O h io Co l2 lege L ibrary Center, OCL C,, 1977, 54,, 1981,OCL C O nline Computer L ibrary Center, 63, 23000 OCL C : F irstsearch ECO, 3 23000, F irst2 Search 60, ECO 1700,, OCL C,,, 1, OCL C,, OCL C,,,OCL C ; F irstsearch,,,,,,, ; ECO, OCL C 1700,,, OCL C OCL C,, 63 23000,,, ; F irstsearch, 0. 8 g,, ; ECO, 1 1699,, OCL C 2-1 3,, 111
2000 79,,, : ( ),,, 3-1 3. 1,,,,,,,,, : ; () ; ; ;, (1) :,,,, : OCR, Internet, Internet,,,,,,, (2) : ( ),,, 112,, 48,,,,,,, gg,,, 3-2,,,,,,,,, 3. 2,,,,,,,,,,,
2000 79, (1),,,,,,,,,,,,,,, ID G Gartner Group Fo rrest Research, (2),,,,,,, ( ),,,, (3) (PULL ), (PU SH ),,, 60%,,,,,,,,, 3. 3,, T erry Internet 1985, Info Q uest, : Internet,,, Internet ;, ;, Internet, Internet Info Q uest Internet,, T erry Internet,,,,, 1993, IN C ( Internet ) Info Q uest,,,, Info Q uest Internet,,,,,,, 4,, 411 1, :,,,, ;,,,,,,,, ;, 113
2000 79 ;,,,, 4-1 412,, ( 4-1) 4-1 413 E IV illage ( ) (Engi2 neering Info rm ation Inc. ) Internet E I 1884, 100,,, E I, : (1), 114 : (E I CompendexW eb) IL I ( IL I StandardsW eb) E I (E i Spo tligh ts) E i (E i T ech A lert) E I (E im on2 ito rs) E I (E IW ireservice) E i ; : E i E lectronic T ext ( ), 91, E I 2. 5, E i CompendexW eb E i Spo tligh t E i T ech A lert E im onito rs, E - m ail FA X ; E i Fea2 tured A rticles ( ), 4, : 4 10 20,, PD F, 12 () (2), Internet 1) : E i Connexion, E i V illage Connexion, 150 ( D ialog ),, E I ; D ata Sphere, 200,, E i 2) : E I Internet, 1. 6 WWW : International Engineering Center ( ), E i ( ) ; Research&Industry Park ( ), ; Business&F inanciald istrict ( ),, ; Industry M art (), ; International House (), ; T ravel Service (), Inter2 net ; N ew s&w eather Bureaus ( ), ; Career&Education Campus ( ), 1000, (3),, E i V illage 1)A sk A L ibrarian (E i V illage ), Inter2 net E iv illage, E i, ; 2)A sk A n Engineering Co lleague ( ), E iv illage 9,, ; 3)A sk T ech D esk ( ), E i L inda H all L i2 brary,, E- m ail, 24
2000 79 4)A sk Your Peers ( ), E i, 20, N ew sgroup L ist2 serv,,,,,,,, E I,, 1998, E i E i CompendexW eb,, 6, E I, 9000 Internet E I CompendexW eb,,, 4000 27000, 500, 8 ID, Compendex, 4000, 27 ID, Compendex4000, 4500 30000, 100, 9 ID, Compendex, 1000, 30 ID, Compendex, 3000, Compendex, 6000, Compendex 25, 75 Compendex 5 511 (1),, : 1) ( ) ( ),,,, 2) :, ; : ; : ;,,,,,,,,, :, (2),,,,,,, 5-1: 5-1, 50, 1, 1, (,, ) CD 2 - ROM CD - ROM,,, 3,,, 115
2000 79 4 2 5 6,, 1, 1. 5, 7 2 ;, 8 9 10 11 3 :, 512,,,, ;,,,,, ;,,,, : 1-2,,,,,,, 116, ( ) 1995, 1000, 1996, 800, 3000 ;,,,,,,,,,,, OCL C 1996 147, 960, 4, 930, 143, 030,,,,,,,,, :, STN D IALO G DA TA - STA R OCL C, 1 1 1 3 1987,, 1998 5000, 10 300 (5-1 ) 513,,,,,,,,
2000 79,,, - - ( ), : E= f (g, d, t, r, i, c, ri, p, p ṙ.. ), E, g, d, t, r, i, c, ri, p ( ), p r,,, ( ),,,, ;,,,,,, ;,,, :,,,,,,, (5-2) 5-2 ( ) ( ) (CD - ROM ) (CD - ROM ) (CD - ROM ) ( ) ( () ) ( ) ( ) 6,,, 611,,,, 1996 11337, 15000 ( 2000 ), Inter2 net 500, Internet 3, 6000, 1,,,,,,,,,,,,,, 612,, 117
2000 79 (1),,,,, ( ), (2) ( ) ( ), ( ) (3),,, :,,,, ;, (4),,, 613, : : ; ; ; ;,,,, : : ( ), 1996,, 1997 5 20 218, 118 614,,,, 1998 9 12,, 4,,,, 40,, 1996 (W IPO ) W IPO W IPO, 1990,,,,,,, 615 : (1),, ; (2) ; (3), ; (4), ; (5), ; (6) W, W H EN HOW W H ETH ER ; (7), ; (8) ; (9) ; (10), ; (11),,,, ( 93 )
2000 79 list4 list3,, list4 9, list3 list3 9 ISO, C,, list3 list4, 213 VB, list1 list2, A B; list3 list4 A B 200 a ; list5,,,,, (1) ISO, ISO, 24,,, 12,,, :, 25, 1 A SC II 45-57, : k= 25 no1= 0 Do W bile no1= 0 s1= M id (ss1, k, 1) lf A sc (s1) > 44 A nd A sc (s1) < k= k+ 1 E lse no1= k End If L oop 58 T hen, ss1 n, 200, 200 (2) ISO,, VB,,, VB A SC II, ;, : n1= 1n2= 1 j1= 1 str1= m id (ss1, no1, L en (ss1) - no1) Do W h ile n1< = C Int (s2) If A sc (M id (str1, j1, 1) ) > 0 T hen n2= 1 E lse n2= 2 End If n1= n1 n2 j1= j1 1 L oop, ss1, no1 (3), :, list2 9 A 9,,, : 9 A,, 9 3 VB 5. 0, VB 5,,, 1 1() ( 118 ),,,,,, ( ) 93