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楼主 |
发表于 2008-3-18 13:10:54
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你好,这是我现在正在写着的程序,以上问题就在其中,请多指教+ b8 Q$ q* P( C: ?# F0 z5 T
globals[
( ~# c8 _. X3 U% ^# p4 t2 ^. xxmax3 q" f. R1 s$ |4 S' m- D" |1 c3 |
ymax1 B( _+ A8 m+ o) M- G+ B
global-reputation-list
& i) d$ }5 Y4 C! b6 V. ]- k" B- ~) L/ I" o/ R
;;每一个turtle的全局声誉都存在此LIST中8 D6 ^# n6 f* o1 k5 R0 ?0 ?/ M. U) J
credibility-list* F8 s+ p" D' ]: T0 D2 t7 r8 b
;;每一个turtle的评价可信度* z8 a0 S1 M+ j+ {# s( k* l
honest-service4 u$ M0 W0 L3 q* \
unhonest-service
# y" L5 z. V4 I3 f2 q' `8 doscillation9 a! |9 E% E/ {+ ~' K6 P# K( ^- S/ h
rand-dynamic' J0 X- ~' t5 r# j6 g: D6 A
]
+ }' ?/ o* Z8 J0 Q) ?* U* k
1 }2 k+ t( i. Z( W hturtles-own[
1 d3 R5 v! m8 u, ]# Mtrade-record-all* h3 T: z& L$ h; j$ l
;;a list of lists,由trade-record-one组成) P* _8 e1 ]) l3 ^
trade-record-one5 W0 W* c F* b: h2 x! a D
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录1 n& o$ k, w0 ~+ J! q1 s/ T
6 K) R2 m+ r- ~& H2 u( o;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
, c3 v' n& w0 J5 x7 F3 d! M9 I$ mtrade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]0 g- V3 `1 K n- i( L3 Z g3 v2 u
credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list h# @8 K: ~5 @) b9 E O
neighbor-total1 M$ B8 S5 o' f
;;记录该turtle的邻居节点的数目- h j7 E- d: Q8 B6 W% M; x
trade-time0 m( L7 |6 \' j, W, K
;;当前发生交易的turtle的交易时间
* `: y% u# l* ]; Mappraise-give9 F0 z& e7 x% |2 w! B
;;当前发生交易时给出的评价
`% t; Y8 d; o: \! tappraise-receive
1 c( Y- _& X' _8 r;;当前发生交易时收到的评价2 s, v& a2 k* [0 ^+ e; Q6 k
appraise-time7 U$ F, r4 i- n4 k) e9 V
;;当前发生交易时的评价时间
: R% x6 c% P' i& @- I* W' W7 |local-reputation-now;;此次交易后相对于对方turtle的局部声誉
5 ^4 L2 R& {; o& Jtrade-times-total
5 ~' d% ^ [4 _;;与当前turtle的交易总次数7 w' o3 Q, ^" H* q/ N5 [4 B- z
trade-money-total7 P& H" V3 S w$ {7 y( \: T$ Q+ B; [
;;与当前turtle的交易总金额
4 A; b+ T1 m# V* P* R5 T$ W9 Hlocal-reputation
- T7 F5 ~& \# S$ Qglobal-reputation# m8 H( C" `/ `5 d
credibility
" g* m3 Y2 w' R# s6 }0 S;;评价可信度,每次交易后都需要更新; M3 m. ]6 D- T2 m
credibility-all
! r+ \) c5 {0 G8 }7 g;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
5 E- n4 ]& f2 A# ]: @/ v3 g) g& s; n
;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5! |' V n' J0 I+ V: I5 G. ~7 _. P
credibility-one
% t( |% w' q# M J$ J! u$ d;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项- r( F8 Y/ j2 A! K, A1 v+ T) q
global-proportion/ e& _! j7 `6 l- k
customer5 \; p& P) v7 Q" @% d
customer-no' O# P4 J. c; M8 E
trust-ok3 w3 _8 H2 z4 I: B7 ^
trade-record-one-len;;trade-record-one的长度
! ~& X- g- Q7 V% V, B]. l; x& L- @3 b$ _
) v: D# y& l3 h0 ?7 C) ^* T;;setup procedure% N3 a6 V6 k9 Q3 [7 C- T" z4 [6 I7 P) m
" n+ ]0 n" f' o9 f4 ^2 h; o; q8 vto setup
3 I' x! M0 Z+ D. Z
0 _0 s! U8 [* p. [3 e% t! Xca. w& |1 Q7 W% B% Z( Z" h% N
2 |9 t* Q8 B) F. h$ ginitialize-settings
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crt people [setup-turtles]
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reset-timer0 K, ^5 v5 O- @
/ Q& \: @; @ o3 H
poll-class a! e/ w; \. x& h9 r6 M9 V" W
# w6 |' {& Z$ {, I5 W+ k
setup-plots3 m5 Q3 k0 C& r- n4 j, o/ y( I
! `6 E, \ X( H! U3 O9 |1 g/ O
do-plots5 b4 R- s4 ]# X
end
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to initialize-settings" `4 S8 t t' m& o7 ~- h$ I
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set global-reputation-list []* a8 |5 N9 K) E ?8 F; r# s) K w
H. l' W7 a' G- ~8 N. M" s8 h
set credibility-list n-values people [0.5]7 j8 b( |' B, e! j( M6 p8 u
/ X; [! s+ Z& C L* Oset honest-service 0% g1 V0 {* q; C% h9 n! J+ T; v1 y
) Y7 C1 { c# g- o; o4 ?
set unhonest-service 0
0 e5 O, [, ^3 I6 y$ Z. t+ M' |, L& H j/ m$ X' c) C
set oscillation 0
, u4 V; Y! [: I1 x* l* @2 m. I( s6 `
set rand-dynamic 0% R" p) v1 O' x2 ~
end
( x7 l5 h" c; g7 s+ \
+ `( t0 S7 r8 M/ X; t- S( P @to setup-turtles
. c- D* E6 r' Z, w: b2 n7 P9 |set shape "person"9 j: `5 O$ j6 t! B, D( q" v
setxy random-xcor random-ycor# a! Z' B1 Z" _/ g, Q. D% I+ Z' g5 `
set trade-record-one []# a: j, Z5 }1 o2 C- K9 y
# w# U( c( W. ?7 v
set trade-record-all n-values people [(list (? + 1) 0 0)]
3 M( b( G$ X5 |
/ _: ]! j. F) u& K* \set trade-record-current []% J% c! n+ X( H* d0 e
set credibility-receive []
0 E" W" ?, z& { c, k3 Oset local-reputation 0.5
- f- V' I0 `: y5 n, tset neighbor-total 0% [( O+ c. D1 X( W
set trade-times-total 0. [3 r5 O' z8 c* [
set trade-money-total 04 h+ I2 T3 f- B. [
set customer nobody
) Q. d0 E8 G S& }set credibility-all n-values people [creat-credibility]
. y ?7 I8 W/ y, Wset credibility n-values people [-1]# d) [) _; H. |5 C8 O
get-color8 X5 d- e3 X, H0 W, ^! v' C" W
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end
+ @: h7 T4 v, t/ v% a4 @0 C5 x. x- i# X" d$ c' C
to-report creat-credibility
. @+ } u, K7 j0 _) Ireport n-values people [0.5]7 P! r7 G7 f1 }4 ?4 s
end9 T! ]2 N7 B% ^; D6 ~9 h! V
1 l# U. {5 ?' D/ H; ~0 a$ Uto setup-plots# ?1 A8 E4 g3 M
, ?4 e9 @1 I( n8 Wset xmax 30" j# x" D* s1 Q0 }
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set ymax 1.0
$ n* B; }% Y' ` f
8 z6 W; P- X) u9 @clear-all-plots
3 ?3 n4 M, F X+ a8 A, e$ W& c* |* R2 ?9 l& }
setup-plot1
7 g( z, ~- J2 g# a
5 q% G9 n, d" _6 J/ C" vsetup-plot2
+ `6 d( G5 C6 ^
5 q5 f; c0 C* ?+ usetup-plot3- x# V4 O& Z; I$ a
end
& u, O" ~* U& o3 w, V- S S
1 P' v" d4 R+ w: ?;;run time procedures' o2 l4 v6 L! e! V
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to go( ?# A5 U2 a- L" O
0 G) I" r R& C3 X
ask turtles [do-business]" M& h: B' w) C$ Y
end. u# j7 n. J+ ~; l7 P# E$ c) X
0 W# i5 w( _, W5 e8 @) pto do-business ( s. { A# y+ p. w0 M& h
% G+ G: P' V% H# }1 R C$ a
- w1 l5 X& X1 o+ Z- r G# Crt random 360 @: r- U# m0 H
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fd 1
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* ^. Y3 s* {" d0 d& o5 _ifelse(other turtles-here != nobody)[
2 x: k2 x3 U' I; E- P; o V0 Z# V+ x$ S- [; V9 o
set customer one-of other turtles-here
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$ W3 x+ j& J/ _( \;; set [customer] of customer myself. V* }$ @2 A5 t9 g/ @& q
$ G8 r' Y: a5 n1 z* \
set [trade-record-one] of self item (([who] of customer) - 1)
) o d8 ?& {" R5 z[trade-record-all]of self
) p# p+ |% r! m; ~$ @;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
+ a" H+ A6 _9 q6 T3 j
4 A$ l+ n8 P9 r9 ?, s) a4 v( _set [trade-record-one] of customer item (([who] of self) - 1)
. ]3 ]- O; N" H[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self$ R( U& L! i3 Z4 s4 P) l
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set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]* @5 e; j- o! m, ? b# R) _
;;先求i对j的信任度$ w* l: q% x$ J( h
8 d; O/ K8 K+ E9 W ? [if ([trust-ok] of self)
' I2 v# U$ a2 D- m0 `& k;;根据i对j的信任度来决定是否与j进行交易[
/ V3 `/ u, n f% r: K7 sask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
# D, `1 t V- R7 e: k' o/ ?$ f; u8 K7 n# R. b2 f. W
[; V: l/ F. X& o
" D6 e" E% @% z* {do-trade, W0 [1 ?& |( H) `2 e( [7 X
% y! d& r* z1 G+ }7 kupdate-credibility-ijl
; x' Y/ k6 m) w6 B- r7 y
% a) y) M: I( `: q; _update-credibility-list4 t. v& s/ a- J2 Q$ P- d
$ C- ~6 }9 _8 X( a U2 R
4 O% C& l8 _5 |: ~update-global-reputation-list
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poll-class
% C# k( V/ O! {3 M4 m9 H* a6 t
0 `/ ^6 [" x2 j+ |get-color2 u% a+ t3 c* o$ R# p
. h* t! q8 E- k4 W e
]]; S1 N& W; Y2 K6 z, ~* _; ^1 K3 Z7 _
, {$ ]. W# g. V& U" [5 Q3 _;;如果所得的信任度满足条件,则进行交易# ^; m2 Q$ T; M* G! a
; h4 P: ?: Q& e0 Q- g% `( `
[
- ~0 ?* q: Q1 T' T) j9 ^/ z6 c/ n$ Y5 s( I8 C, X+ w' p
rt random 360
+ f( h% g8 [+ p1 y! `# z" {, r5 @3 e; J
fd 1 l( T- l5 r0 `* u' z: i7 N
* r0 Z6 r5 I0 Y, r]: W$ T( j5 \# \( _9 L
/ w. w# p6 O& K/ cend6 B O: p! v0 C
. k+ ]; Z" i$ j( i' Z* Y1 o7 k6 ^
to do-trust * @" g8 ]1 ]* f' b! b, \/ s/ C- q
set trust-ok False
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# P) T8 m1 a% o+ W m1 o7 wlet max-trade-times 08 W, Y. {. |. M; O
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]7 }" k9 N6 Q( s3 [6 V2 c3 D
let max-trade-money 0: @8 S' n" {% P1 M- l
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
5 \1 L* q+ F; X. Ylet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
]7 Q- h+ z. H' D- W" _- m. x0 v! C- {* X3 C8 u' ^
/ `5 @9 ?; d1 e9 I' a2 v+ X7 e7 bget-global-proportion
% u; ^5 F3 B1 V/ p9 clet trust-value
6 H1 n! g* S' ^! O* r$ Clocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list) {- I. }+ z* k G; a# Z& o
if(trust-value > trade-trust-value)
& F% q# {: M& B5 p1 M* z4 P[set trust-ok true]
8 h* n2 f5 z( U9 eend
- G1 {5 k% |7 A3 T( V. F: Z& D0 ^9 N u
to get-global-proportion
0 s- Q9 w* z! j6 c9 [ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)# G; y% R2 q* H6 Z* ^
[set global-proportion 0]
v: a- L" ?. r u& ~! m[let i 0
" H# h9 k; R% Q/ [9 V' clet sum-money 0
" ~& [" y3 @) I1 m a7 gwhile[ i < people]+ u/ e1 o! S! ^/ l
[
9 Q- P8 S8 G; z: o. K+ kif( length (item i
& r& u- H7 E3 i5 _# S+ Z9 ~" U[trade-record-all] of customer) > 3 )& K4 }! r: x3 @! I
[" I B& c2 e1 n* _# ^
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))" k& ^' t) n) ?9 @$ S- z
]* \* o% T9 G7 c9 z0 Y
]
0 c6 F" {+ | {4 u9 _* h) Mlet j 0" ~: f0 Z3 Z3 A* M0 H
let note 0
# {9 M5 _: c0 j0 Z: hwhile[ j < people]
1 }( O5 P6 f7 z; p. X8 ^3 k# h[0 n8 T, M1 C* E. W2 I3 Y
if( length (item i
% l H( j5 E' Z8 [6 S$ @[trade-record-all] of customer) > 3 )( P1 {" p; M7 z0 s2 r X# q5 H) k8 a
[7 C: B0 h; L" [5 z# G8 q
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
/ N3 k W W/ W+ V[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]8 V$ @# ^! j! E/ e8 x
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]- H n1 v, Q" C! b$ w
]: |& S; P6 r2 w
]
0 d) a5 N- P3 Eset global-proportion note- e6 a2 }5 R( Z; ^4 G. y- Q; D
]
( N/ S3 D' \: X3 v0 ^3 A! mend8 s$ N, z4 K& z' ]. z' R" c
* j* Z9 o* ?+ }, {* r; u) Q, f$ @
to do-trade
4 v" K, d; L4 U" ?9 h;;这个过程实际上是给双方作出评价的过程/ t$ L7 w3 `6 F0 H. `: l- J
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
) p6 ]/ X( H. A! Eset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
: I; [& l: y) k& R- c/ T) Yset trade-record-current lput(timer) trade-record-current h) Q& X. S# V, @6 ?* h
;;评价时间; b5 {, z( y/ O& o1 _9 q4 c& }# _ v
ask myself [
3 u; l5 B. J% f2 h& y3 g eupdate-local-reputation
2 J: {' O. E2 ]$ q- S; W! mset trade-record-current lput([local-reputation] of myself) trade-record-current
3 B' l' a9 \( v9 ]$ K* T) K]
' O' N" U( L, q; g8 m) Xset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself/ M+ y9 g4 l( y9 R" x8 Z. V1 Q
;;将此次交易的记录加入到trade-record-one中4 W+ w6 I( O; A! r0 H
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
0 }4 ^$ p3 ^- _1 e6 r$ r8 A8 ]let note (item 2 trade-record-current )
3 S2 g0 |% c/ F1 ^: J5 B- iset trade-record-current: c* ? Y$ U+ ~4 I R
(replace-item 2 trade-record-current (item 3 trade-record-current))
m. Y* t# Q- y/ E/ l. v B' Wset trade-record-current8 t2 l( r; a5 n) h3 b) q ?
(replace-item 3 trade-record-current note)
/ Q: R1 N& f) ^7 G. L
. v" C% O5 U9 K% l1 B W/ G0 I$ j% j/ s* x# s7 w# o. I4 Q
ask customer [0 \6 t5 j3 X0 g# l$ @- j9 c" \
update-local-reputation# W+ ?& L! z+ P0 m/ L
set trade-record-current0 F1 y3 S; o; ~- u% H
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 8 F& {9 d4 o5 }" N6 J# i
]
% [4 A# H7 Q6 H7 }+ a2 [' r4 _: |" L9 z! C2 ~3 ]1 e/ C% Z
/ ~5 Q- M V4 D! y7 J- }
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
4 Q5 A3 y0 A+ P. S2 v5 [/ `0 P* u; C7 M5 g: m1 M1 P
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)): @. I) d. C1 [% z' w2 k
;;将此次交易的记录加入到customer的trade-record-all中# `8 l- J0 Y. H q) }/ R
end7 c4 H* T, O, \9 f8 L
% _1 n9 {7 j i' R c
to update-local-reputation
; F E$ F6 g6 W7 Z: eset [trade-record-one-len] of myself length [trade-record-one] of myself
$ C8 j# o! a6 D9 g% F7 r, W& c4 W2 v! Z+ f% p4 v: F [
/ j# ]- F5 I4 V5 m
;;if [trade-record-one-len] of myself > 3
; p: o% r. _& a* F# bupdate-neighbor-total8 a5 _, C' D9 S% n# b$ J% ]
;;更新邻居节点的数目,在此进行; W" U4 t, u9 Q# _
let i 3! e$ K/ J# h5 [( |' {2 f: E
let sum-time 0
! C7 i" m1 B( Swhile[i < [trade-record-one-len] of myself]" R* x& I5 I5 C" D( r
[. r( \+ t, g7 f! k; E& Z. _- U
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )' ^7 ?6 [1 k7 t
set i
5 D* B+ s+ W! F( i + 1)) M4 L. F2 l! K+ q
]
' Z% {) t, D' [9 ] Qlet j 3
1 `" t4 j" E7 w- M- [ vlet sum-money 0
, ^/ a4 R# p4 x4 I/ h6 `7 k- |9 Pwhile[j < [trade-record-one-len] of myself]
) q4 O6 G1 D, U. a8 a0 p# U! m[
* ]1 e% n. q2 Dset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
, n' Q: x) h! R$ W( ? f* V4 @set j
- g+ F8 b" x3 o' M' B) M% C( j + 1)
$ y% H! y- U: y+ x" @& {]- }/ k, W4 E5 U% m/ t' s+ s
let k 3
" b# S& ~: Y' u3 I3 |& {9 Ylet power 0. B7 b7 @/ w8 U( J
let local 0
H" A* Y. G$ P. J i C$ g# P+ owhile [k <[trade-record-one-len] of myself]
% c; f3 i! A1 b' E" Z& R[1 ` c3 L9 S( x* ~" \+ S" Z7 a
set local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) - q, A9 J+ m, B) R$ ~! A
set k (k + 1)3 E0 F+ R/ M# p. p9 V6 X& j
]" I2 o0 Y7 j1 m0 M7 H
set [local-reputation] of myself (local)8 \* P5 ?: P7 e! e" S6 E
end* o' x# o1 q0 J8 ~, E( U
" v$ V8 t8 I' Lto update-neighbor-total
5 ~3 [! H2 \. o; d
9 s8 s' g7 Z% L% P$ h# \# kif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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R3 Q, n- ^- ]; e, J/ ], E7 E# x. S' Y) q, p$ `( E
end' s, s9 p3 R, {2 p
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to update-credibility-ijl
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;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
T5 ^8 L# @. vlet l 0
$ l0 V x) {% ^while[ l < people ]6 D ]# l7 x" y' i* D- \4 s
;;对j的邻居节点的trade-record进行扫描,以对j的邻居节点的评价质量进行评价1 p V+ v4 X) N2 x: i' R; {
[ v; y& @2 r! M- A9 n0 \. F
let trade-record-one-j-l-len length item l ([trade-record-all] of customer) c' t- L9 r. Y r5 K
if (trade-record-one-j-l-len > 3)3 ^1 |/ v* f- z9 M/ y
[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one- @) b7 [, q3 U: l' | }
let i 32 p6 w" z' o- r" Y$ w
let sum-time 0
* C, `0 C+ @8 ^) R! uwhile[i < trade-record-one-len]
3 L( m. Y( a4 [0 g0 @& R[
1 @" [9 K% `" A9 ~set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )6 W2 Q1 N6 M/ K2 y2 e6 c W6 y4 l
set i9 F) I8 c' c9 ~7 a
( i + 1)- c' C- R* `& n9 J
]
4 y* f4 ?) k |& V+ nlet credibility-i-j-l 0
# M7 v$ y, E( w% r. z5 w$ I* L;;i评价(j对jl的评价)
) O+ T ~* j; T6 \# A1 d* Ylet j 3
- g: }/ D9 O' z/ z" X- e# Nlet k 4
$ e# {4 T9 `% |$ Ywhile[j < trade-record-one-len]# B4 w" y3 n) Z5 X% w
[, i" [' O6 u9 Y, j
while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉
; M6 A" W( N/ B# cset credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)% W* V3 g* {7 I( x' K3 q2 b
set j4 K, E/ _9 t+ ?8 T' ~; j
( j + 1): h9 M1 Y/ H- \7 _# E" Z$ r
]+ P6 }7 k' I2 d4 N% o! X* g
set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))% A; L0 L h! P6 G1 A+ Z" C
, n4 r7 `9 f8 D% f8 }
" s& V" N2 {% p) q/ ~
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
; S# k/ r- Y; Y1 b( F7 X8 }, {;;及时更新i对l的评价质量的评价" G) [7 n5 X: r& `$ V
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ j) A8 ]- E$ Q
set l (l + 1)
! G9 r: p5 s2 A) X2 y# \# [4 Y]
, b5 O6 ?- I* a2 ?* i/ P; y; m9 Rend
$ t0 U5 U3 _2 p4 c5 E- T7 Y
2 }9 G7 }0 @# n* @8 hto update-credibility-list
1 L* Z% k0 d5 }% P( _% xlet i 0
& d5 x8 a! ]' }2 F6 lwhile[i < people]
. }" w# [+ y U4 l: g[+ N$ a3 j7 [( {! Z o% F
let j 0
; G4 ^* p+ k2 v4 `; F. t* Glet note 02 K& x5 P5 t( R% D- K
let k 0
. _* l* T2 D1 G' T/ D0 F2 Q/ s;;计作出过评价的邻居节点的数目% C) t# m" r$ {* |* r, s( z! Q
while[j < people]
: ~1 g$ n6 Y9 }8 O. o$ E$ _" l6 H[
" S7 N8 ?# ]3 j5 sif (item j( [credibility] of turtle (i + 1)) != -1)
% W, n! A6 v* o' z;;判断是否给本turtle的评价质量做出过评价的节点8 r% |: _# X+ {, Q
[set note (note + item j ([credibility]of turtle (i + 1)))
9 ?/ P& j# M* @) P" l- l7 c8 i+ u;;*(exp (-(people - 2)))/(people - 2))]% n1 x+ }: _+ s* g
set k (k + 1)
h8 l2 D$ s8 w# []
# _1 k" \/ o6 T8 f' g( |4 _9 Yset j (j + 1)# {! U5 o, B9 m9 C
]* N$ \( t% a* n; j3 N9 M' i% h
set note (note *(exp (- (1 / k)))/ k)
5 M$ d6 }9 ^ H' Z8 E1 [) Xset credibility-list (replace-item i credibility-list note)
9 c/ z* U/ j1 K: Bset i (i + 1)4 \$ q3 l; i ], S! E" [* A& }' s
]" ?( @- X/ j3 S% C2 n
end' m3 c5 @! z% b7 `
: Z# B5 T' `8 |
to update-global-reputation-list& H5 F8 z/ O6 C6 Y2 E
let j 0
, Y' T2 K: H4 L, E4 Y) \2 kwhile[j < people]
5 f" W q3 N( w) t' S% x, x0 Z[
0 i) i- e3 F' w7 T0 l+ a- }5 ulet new 0
2 u& a5 m6 W' J4 k0 Q3 X;;暂存新的一个全局声誉
+ r# ^ j0 w$ \2 ?# ~- ^' ^: o x: Flet i 0
( }3 c4 S- I! ~+ Q: L; Q5 C# mlet sum-money 0
( @: T1 ~9 r0 a2 J8 D; I2 slet credibility-money 0, ~3 ^! v" f; W2 `
while [i < people]6 \5 }! v& s8 a6 D# H
[
' p$ F# B* c( h5 y* k, F8 r. N3 Xset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
G, X5 n1 W* q& P1 _0 d, h. A/ Fset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))# ^0 J6 b" N: s# l1 g$ A0 z
set i (i + 1)! R/ I% C% C& J8 u f1 b3 {
]
4 R3 W1 {! q9 Y( d2 l5 blet k 00 L/ w }8 y" D; v& B1 V
let new1 09 y G! f, \6 m
while [k < people]
' T i+ V1 l( `. `: G8 u[
) `" R9 s' X" q& G9 ~1 iset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)
- B d0 K: b! iset k (k + 1)
; _( y6 f6 v* W; |2 @]# R0 N4 O' U% D7 ]- B
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
$ {; I0 c% k, _/ F! a( _) L4 H9 Aset global-reputation-list (replace-item j global-reputation-list new)
5 l6 s! g8 _( fset j (j + 1), i& S& R: k3 a# N; P# f5 s
]
+ N" M. J# U6 G( @ L4 Q1 \end
* l* V0 e- ^& O) D J6 |+ b( q f/ r, ^, u) l% d3 `' V
0 u9 |, X* {( P" t+ Z" Y8 i
4 c& `) k+ N7 ~( k9 fto get-color
7 i1 B" p' O( E9 a' ]) w
/ ~* m7 k' A" D9 f/ x8 _7 T' c2 |set color blue
: q- W8 H( x: G( T+ kend
# x, e6 @0 E$ A. e
( c6 `, ~6 V4 D8 a7 kto poll-class
8 K1 A+ O! U$ ]: g, Kend' F" C7 _2 a: E
' m' F7 K) N, }9 u4 H
to setup-plot1
3 x% D5 E# q% R1 N! L5 ]" J
- s; F9 g/ x$ j: W8 bset-current-plot "Trends-of-Local-reputation"
! O& |' U9 W9 A: B+ B1 ^% Q. ]8 Q3 w! Z Y7 v6 W0 F0 B6 F: {5 [0 Z) o0 e
set-plot-x-range 0 xmax* l/ i- F7 p$ M# Z. l; e
, k& K5 J9 A9 l$ I0 uset-plot-y-range 0.0 ymax1 C: e- P; Y+ k) H
end: S" |0 }) Y5 ]" b2 W7 b- T2 i
. {6 i4 c/ G9 g" ^to setup-plot2
' i1 e, A2 j! i. ~1 j& ^( K3 s. i2 h. V& \6 x5 u
set-current-plot "Trends-of-global-reputation"* l4 n, T# A/ \' {1 W/ N
, S4 H0 R& X+ Nset-plot-x-range 0 xmax
* N+ g# G0 C N' f& l$ q8 P! I4 _" ]3 y! n8 t$ X6 C5 B, b% ]8 D5 `
set-plot-y-range 0.0 ymax
- b) k9 v3 K2 ?$ `9 E* Yend3 K7 T, n4 W* u+ P& m
, O+ s. Z; b, r
to setup-plot3
1 y3 Y9 S8 ?/ A7 T# P5 U, q, f& Q9 j% j) v0 L% O G
set-current-plot "Trends-of-credibility"
; K( m' J+ @" z" s$ g% f3 s9 C4 C( s% S% G3 }; X; d$ q0 F; f
set-plot-x-range 0 xmax2 n0 @3 N) E$ p6 b
6 E0 H! N; T( Z$ W+ K+ h6 O s" nset-plot-y-range 0.0 ymax
# a) B P$ ^4 K- c5 O4 l" j5 E7 zend
% H! }" f9 B" e1 P, Z ]# p1 x/ I1 D) [4 w
to do-plots
1 T- v' e) x8 r. Dset-current-plot "Trends-of-Local-reputation"% U' X x" V; q! n) T
set-current-plot-pen "Honest service"$ s) n1 @. f5 Z( I, F2 J Y( G
end
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6 d) F7 h- G& z. d[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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