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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
; a2 ^2 B: t6 G/ v# qglobals[4 @7 S7 D0 X, q
xmax, k. @( Y: J5 M& M8 c" Y
ymax
1 D+ ~# U7 ]5 Z9 w) Fglobal-reputation-list& p. d9 _! b) d, z
8 ^! n( W/ Q& s8 |;;每一个turtle的全局声誉都存在此LIST中
7 y8 ^1 {' Q& @ Acredibility-list' O6 e3 l+ c I
;;每一个turtle的评价可信度 |5 l, H5 J- |) y3 Q
honest-service2 S F+ c7 F' c3 U: g8 d$ h3 c
unhonest-service9 E6 S7 N# J4 d; F
oscillation. `, L. ^- |6 l0 c( h
rand-dynamic
7 E2 g4 g" g9 T8 W" F' y]: c2 b* Z( i! S5 h% ~% b
( _ G1 u6 u6 N" e+ t7 v# z7 C6 Q
turtles-own[1 P/ k T3 D% G2 U5 Y
trade-record-all
" a5 e6 z1 [( k' s;;a list of lists,由trade-record-one组成- C1 T+ G7 k# [$ G
trade-record-one6 g. q6 ~' U. W1 }
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录* b- ?& e6 a5 Q# ^
; ~) p$ S. m" x" ~8 F* U8 M
;;[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]]
4 D& r: ?* d- r ~& m, Htrade-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]
, [* r; x8 v* d) ]4 D) ycredibility-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
7 b# w( I2 ^9 @4 `- J; {neighbor-total1 b& L/ \/ j+ p6 _, P8 D2 V: f
;;记录该turtle的邻居节点的数目6 h$ [- j3 O5 P! n% [/ ]3 Q
trade-time
) G6 \. f/ |/ M' [;;当前发生交易的turtle的交易时间) | e6 \- j+ d
appraise-give% ]" b" j9 p6 D& s
;;当前发生交易时给出的评价$ k/ ~" `. w% |' [, w- H
appraise-receive2 {7 M2 L; r. j% r M
;;当前发生交易时收到的评价
+ J. w& ` X* }- jappraise-time7 x( o& Z. }& x0 Y+ p! E
;;当前发生交易时的评价时间8 k6 L/ B- h* S `0 N
local-reputation-now;;此次交易后相对于对方turtle的局部声誉; {+ A+ X1 G5 R# h" ~" B
trade-times-total( @6 D. V! E$ t7 n4 F
;;与当前turtle的交易总次数
4 }' V% S/ X/ x P' x& ?trade-money-total
$ e: T4 V+ V# u9 B0 `2 {;;与当前turtle的交易总金额
3 E9 x) ]+ J2 N u3 ?local-reputation& O" B) [ y' W9 E; X5 e
global-reputation$ g+ `- D0 J- {
credibility, r0 G5 w; C- C1 X/ R" e9 A$ |
;;评价可信度,每次交易后都需要更新
! f" b: O }0 n7 Q' I i4 Rcredibility-all
3 S& [. l4 g5 x1 b5 w;;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
: y+ L1 V/ }" p2 h
! X8 K$ Z( z& V3 z s;;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
1 o- T: P7 H7 W- A9 Y* Jcredibility-one! K, {2 z$ }6 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
* v; l" V# `; j" i( [! ?global-proportion
' `% [1 j. f) Q" s) v# S3 Ucustomer/ C6 _. s+ B% K
customer-no
! O& ]8 f5 Y3 ?# a* @3 }# utrust-ok0 v6 ~" f5 C6 h
trade-record-one-len;;trade-record-one的长度& n# J& E/ Y; @4 q; b
]. |9 ?. \3 G9 Q6 U; c( _
( f; B: z |2 j& r3 Q& c% V! ?;;setup procedure3 Y S9 @3 y1 j* z2 G$ s2 F
7 f, C- o4 |0 }
to setup3 l" a4 Y: ~4 V
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ca) a$ v4 G, w* k; E) T* V0 f
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initialize-settings: d5 ]0 [ {$ Y! u& m O) T
) b4 c+ E9 j" v8 B8 }: Q. l* Acrt people [setup-turtles]" {( o5 V$ V$ Y- h, M. P& V
- x3 B: D3 q- {9 K4 z. c Yreset-timer
) r, C8 g- A* j0 _
. |, a* e# c; Z! Gpoll-class! Q1 [- A/ p$ l' c, x6 J
6 q. F6 n9 s4 D6 t: q1 @! zsetup-plots1 r+ F% v' i2 ~: @/ n. `
, [7 t+ O( E/ p" J# I2 \% ado-plots
- s8 T# x1 ?0 t* g% R$ Lend7 R: q& u- L% F' `$ }5 q
( B8 g8 J7 v% t
to initialize-settings
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set global-reputation-list []& l( o' C: W* L5 ]& [$ N5 |# _+ A
2 X8 [3 _( N" W% X% @8 x! Y
set credibility-list n-values people [0.5]6 F1 U7 v/ z' `# a, h2 W; I3 f
! e5 K5 X0 A/ X' k7 ^" Oset honest-service 0. U8 v) H3 [. v
9 e3 t( }- h5 h6 v1 l. g
set unhonest-service 0# p: u5 d% ~2 X y" B
7 J9 f8 {: a; l, d
set oscillation 0
% @6 F1 x E% v9 J& U* i0 o' f" d/ K7 L0 f
set rand-dynamic 0
* c: y7 t; S9 F' o5 Kend$ q7 x& p; L% E
/ V; ?$ X j O" A" _+ E# N
to setup-turtles
* i( o5 S0 p- n6 X* Fset shape "person"* B) M @& c8 J9 T: a( b
setxy random-xcor random-ycor+ w, h. K8 B% I- E
set trade-record-one []
# R5 P( _& D) }* s7 P1 z3 Q
) g) ]! h( T8 J! {& k) T @set trade-record-all n-values people [(list (? + 1) 0 0)] 6 J- x( T& s) c
# m8 L) W# x V+ `! u0 v6 gset trade-record-current []
9 t+ u% r1 h% iset credibility-receive []
4 g. C* |3 ~" {1 D$ J- V, B- Hset local-reputation 0.5
1 Y: j# p. D9 Vset neighbor-total 0% J" T) g' I4 H- z5 M. C- \
set trade-times-total 0, q2 y' f5 \' U
set trade-money-total 0! Y3 F7 V7 c2 o" J* M6 Y
set customer nobody" p: B a% }; P3 _' V
set credibility-all n-values people [creat-credibility]
* N9 d+ t4 P3 Y& [set credibility n-values people [-1]2 s0 W4 t9 ]/ N& D1 t4 e
get-color* K1 f6 v) R, ?
' v+ X# E3 Z2 b: ]end
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9 t, }$ I$ L1 R: zto-report creat-credibility5 \- T/ U" w y/ H' z: L8 c& a
report n-values people [0.5]+ c# U8 t! Y4 I9 m/ C5 I9 Q
end
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Y1 C* U/ J7 Fto setup-plots3 w* N& l3 G( f1 B
2 A' O4 P: w3 ^& m0 u2 E+ oset xmax 30
/ v& H. b; A2 z+ P" m; A
! N* b2 d/ ]2 {8 I- q4 e' Pset ymax 1.00 C* F: U9 }+ X! o8 R
0 \1 i4 h9 g( ^clear-all-plots S& P Y+ S1 c" Z2 `$ D4 |
4 Q2 Q8 q: b2 z) i# j3 C" |) msetup-plot14 v" L2 e# \5 c1 L, I5 L" |3 V
" U) M6 s8 `1 s/ w( P5 \setup-plot2- |7 [* O; k! o- g* `
* f( L* D9 b w; z: _setup-plot3
5 p0 A P. L# G5 ?: Hend, K* J: ? ^% B9 g4 [# [1 z
8 a5 @% z( ?- @1 H8 W
;;run time procedures( `8 I) c( _$ H; X4 d+ X* P
4 A/ P% L: ~% I( yto go3 P8 _- Q" @; X( [+ W
% M1 q( }" g! {' `: H
ask turtles [do-business]+ s% g6 ~ {" X" f% u# K4 b( ~
end; d' g- [9 _) k1 H
9 k7 P1 W5 G/ E yto do-business 5 G! h- u- h7 ^0 @3 l: [: u5 G" q
4 V' L' Q2 H( ^5 Q8 ?
) N7 N1 Z% ~* D7 u. n. w8 mrt random 360: h9 o- R2 C3 B) W( i
8 `$ b' R# w3 h, ffd 1
$ {4 q2 D) Y9 i. g% C
4 {$ B( M+ q7 i- Z) Z$ Rifelse(other turtles-here != nobody)[' a, w6 i0 f7 F$ [# P3 N/ m" b
1 `7 Q1 f0 y# u% G$ o& e
set customer one-of other turtles-here3 L% W! g( m+ v. G7 Z+ `) b
9 ]7 g. A! m. Y$ x+ |4 B% G# N;; set [customer] of customer myself
, s; S" V$ {# w a' c F5 l. H
/ r! R9 X" K/ J* qset [trade-record-one] of self item (([who] of customer) - 1) n/ t! T% Z8 r: Y
[trade-record-all]of self& o7 V4 ?9 `+ G. O# L# r
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self+ j' g# }1 e# O1 O) F8 p' X6 q
0 I# v0 h3 W. O5 A. i/ h. Uset [trade-record-one] of customer item (([who] of self) - 1)/ M$ w9 t+ s4 E% [9 k8 W. i
[trade-record-all]of customer
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7 s5 X$ f" f7 m- e) E0 e& Gset [trade-record-one-len] of self length [trade-record-one] of self" C; w/ X9 X- W
3 O5 k& R8 \4 n
set trade-record-current( list (timer) (random money-upper-limit))
8 V+ z- ~# k6 x1 W/ {
6 s: M; l- U4 F2 jask self [do-trust]+ p% a7 ]6 P/ g
;;先求i对j的信任度) X( }2 F# _3 [3 {4 I7 z$ t
5 F2 _2 G8 u1 [7 [
if ([trust-ok] of self)6 g% h8 X' v6 i. t8 g3 o& }1 q
;;根据i对j的信任度来决定是否与j进行交易[
8 { O% \5 {0 D( t+ D8 h l S4 ]# nask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself4 y8 G# Y |8 A# Q. x& ]
4 R& e* f R+ F; q& g+ _
[
) X, n6 Y* I. ~; ^& E
6 W Z$ W2 i5 ydo-trade0 k3 E& v2 H P1 C& Z
0 S7 y3 X r! J- P/ H0 s
update-credibility-ijl7 B: M7 M" p: q* C2 f% U! a6 y8 X
# u+ ?6 |# q' C! M. a: B: [3 H1 x% Gupdate-credibility-list
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* A: r" r( \+ b2 S/ @' v2 o+ N; B% W, b* n2 w+ m
update-global-reputation-list
6 Z) A- X" f1 @9 N! @0 l1 Z- ]
7 L0 u- n h/ V. z4 U! vpoll-class& o s% X' I3 E* e
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get-color
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7 w( Z, y" m0 O# }]]% [5 E% H; v! `
% [7 I' c9 x2 v1 P& K;;如果所得的信任度满足条件,则进行交易
1 @ l8 u6 I6 l) h/ ^1 u
& Q2 u% o5 b* f+ e9 |. F C[
6 N. m+ G" a' j+ E. O b7 @( s
* C* c$ [* ?: ]4 g6 e/ brt random 360
6 z x$ u; M. \
0 b; ^! s0 F) [% e/ a( hfd 1
/ m+ _" d# Y' J+ Z9 h" c* E$ r0 {9 |! U/ w' Q4 b
]
D6 l1 I7 x. x( J N, s, a7 A9 z7 q- l2 f' G" A( Q
end$ G$ w9 `- [6 S1 K6 a, B
& a O+ f4 |# |+ l+ w" S3 z
to do-trust
0 {. D$ b: ^* q4 b2 ]( e) P( zset trust-ok False0 ~+ n% T4 s" l! _9 Y: J/ y. ]6 @
5 T9 n& R7 D* N1 w$ f: U/ _' B6 X1 i
( V4 I# j" ~8 h4 plet max-trade-times 0
$ ^2 i. R+ ~0 G& b" Z+ t8 n) Yforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]+ O( \5 s% `& R" L |0 |/ D
let max-trade-money 0
, Z- ~$ i, _0 Y. D* D: |1 rforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]! }+ d; y/ K+ r P/ A
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
2 Y& o8 f9 u; ]! C+ i7 M
) S6 q# I) A; r8 |+ G: h, L5 d& j# ]- E+ l
get-global-proportion
( o5 A* K$ i3 F2 I9 x- ?let trust-value9 l/ J: b9 E- ~
local-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: E0 l# t% X' h0 |+ c- L
if(trust-value > trade-trust-value)" u! ?+ F# g* b5 j- }+ n5 h
[set trust-ok true]
# Q$ j) C! G. |end7 f6 {& l$ }/ w" g
8 m5 v5 G; e5 L& U
to get-global-proportion1 p L& H1 }$ o. m9 @" ]% d( X
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)6 u6 M; R Q d' N& a
[set global-proportion 0]
' F a! C" u- L9 A) `* p[let i 0- p7 y) T6 i+ @& o8 n% v1 X/ A
let sum-money 0
' R5 E4 h5 \# H( u0 cwhile[ i < people]% x- O# p% C8 @. g
[& Y. Z" x# b- S2 b- _# r6 f
if( length (item i
. S( d. i6 {! q2 n2 `[trade-record-all] of customer) > 3 )0 c1 ~! G: ~% l6 d% R: X
[# U4 ]1 q1 g. p0 e* k$ r
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)) {8 ]) Z, m/ y" r4 E, U8 T
]* V/ S8 g( t' L- D! f2 r
]
5 C; `, f' D$ {0 @ Olet j 0
% n, i. b* \" C: b* Alet note 0' x! ^: k) [$ ^9 p9 @! B) |
while[ j < people]2 ]" Z" e ^0 r" R
[: [+ X; m) B& X' A
if( length (item i
3 J( D# P6 b5 I! k# A/ c: C[trade-record-all] of customer) > 3 )' B/ u$ {7 a7 r" j6 _: w
[8 z; T. G. T3 P: x" Z
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
# a0 x h2 X( ~[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)] Y( b" O4 v( [. r7 ?
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
5 r& w0 [1 d! s3 M) t+ a& F]
9 k" i, G: y" W6 a/ Y% W4 r) q]# R8 [7 A+ F# Q& V
set global-proportion note
* ^% E! P1 F( g- M+ J]& [1 X& A4 s1 h h
end
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to do-trade
$ J) }2 w9 w/ S6 r4 B+ Q;;这个过程实际上是给双方作出评价的过程 }. O4 ~: a! `2 `, D) G
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价/ B8 w2 ]$ L2 R5 L) s" w8 \
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价3 ^: u8 E1 b, r# C* o
set trade-record-current lput(timer) trade-record-current
7 n7 J% S: S0 ^8 `% t% D;;评价时间
/ T/ x9 ^! |! ]( ]ask myself [. v* g$ f* V3 m1 g
update-local-reputation$ {$ N: k5 g5 f, m
set trade-record-current lput([local-reputation] of myself) trade-record-current5 Z+ ?' ^2 ?% A1 e- M* v% u" s) Z
]
: y7 s' V( d! \# {) Q' jset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
4 j w K9 R2 `;;将此次交易的记录加入到trade-record-one中/ {1 f' N9 Z4 }% g4 y v
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
) L$ ?% {6 o0 e5 h5 ]- Wlet note (item 2 trade-record-current )6 U* B/ @3 _- h4 I
set trade-record-current
1 E+ I$ x, r* L8 ^6 D8 ^# o& E(replace-item 2 trade-record-current (item 3 trade-record-current))
8 r4 R6 y+ ~2 K$ J3 M! Sset trade-record-current
' o6 B3 N" l7 ]( e+ I* x8 }(replace-item 3 trade-record-current note)+ F7 b: ?" w# K1 o' K; }" Y) {6 R4 `
5 D0 W l" H F4 _% m% ?4 u
' _! M5 z% h$ K' F: [& O
ask customer [
k1 a* v% x( q' e& s) g, nupdate-local-reputation8 V! o }0 `- Z0 O8 l* N- G7 D H
set trade-record-current
7 K+ }1 l, U& v! k- ~* F) {(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
2 F/ S7 i6 T: h$ u& N1 v# n]' W& \% K% }, Z9 U
+ n' V' M+ N8 s# O7 t+ z+ i7 c4 F) p0 G' t: Y6 Q1 C
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer9 }" Q i+ O4 `5 x" W6 R0 V
$ _7 N# z) A8 q6 d: o9 M6 iset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 \+ P+ ]2 |+ R/ y
;;将此次交易的记录加入到customer的trade-record-all中- y8 R# z9 o: v, p
end/ m+ H, M- T, r H9 g3 @' M0 ^( \
: `% Z3 X9 C, z! q; Y' _
to update-local-reputation
8 e* X4 g' x3 Y) l2 ~set [trade-record-one-len] of myself length [trade-record-one] of myself
$ _3 _( O& p2 E w1 K
1 U$ E- F/ v. D8 M! `9 _' k5 b, g1 | `
;;if [trade-record-one-len] of myself > 3
+ {* \5 a2 e/ B& j# Pupdate-neighbor-total
6 f- S: [9 D; k;;更新邻居节点的数目,在此进行8 @7 h9 b7 z) ]1 x
let i 3+ C! V0 x! W! x; l: y
let sum-time 0" t0 z& l1 g& e9 }8 y* U; O
while[i < [trade-record-one-len] of myself]
4 C" G/ n. Z+ E! Q; `- ^) n[
( A7 s; N/ k- S2 D' o8 `! Gset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ), x4 t+ M! D$ }% _: ~$ x3 @
set i
# W; a3 Q$ h. |/ c% h4 B u# X( i + 1)
6 N: h$ {3 _( X7 r- k: ^]
8 r) _3 u: V" L! y* M, t4 |let j 3
8 Q) g/ G) \6 V' Tlet sum-money 0& Y9 K) o/ T$ X' _
while[j < [trade-record-one-len] of myself]7 ]5 u8 r) h8 b( F
[
1 n" Q. n+ o/ I% N: c6 X' Oset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
5 {4 C" i7 R; Eset j
! J$ E) Q4 L+ \5 ?( j + 1)
. _4 x6 A6 k/ L# S, n* G6 U, L: h]2 |( c1 L! g( U& j( \
let k 3: t$ q3 b" K# u# a8 L
let power 0
+ C" \: s' p+ D5 dlet local 0
" J* n1 D- {) P" x; Mwhile [k <[trade-record-one-len] of myself]
: ]* j, U) z& q6 N) h[: V. S8 N+ L8 U) }; w; q, w5 ^
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)
! Y1 W+ k F' N& G0 x; B# r! eset k (k + 1)' |8 ^! E; O8 M( a, ^( U
]
& ~+ D1 d3 s* f, K' V2 Sset [local-reputation] of myself (local). E. t( I2 S f% t' A7 N/ ~
end
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to update-neighbor-total
# m. @# m# y6 B8 }% m, E
8 e% }, _/ {0 N. sif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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/ o* g* T# C% M/ }1 r1 s8 {+ gend
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to update-credibility-ijl
8 o1 |3 E" G& N0 A7 B
7 ]9 B. G H3 G;;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。
6 e* d& J. |: }; jlet l 02 L+ M7 ], W& l2 Y7 F/ J; i+ ?& L; B
while[ l < people ]
" D. ~* N5 k2 S4 H& A( ?0 Q6 Q; Z;;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0 u0 g2 _# C$ S" d! r
[. o/ U P, P( r2 v; s: a+ q
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
4 |7 o% P! i' P* l' P' O2 d& Fif (trade-record-one-j-l-len > 3)
" ~ C: a& y2 g+ K+ `; @[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* }' G# ~+ w$ k9 A8 s% _) Z
let i 3
2 e# U' I* N9 Clet sum-time 0" g$ l7 c" M# Q. r- U
while[i < trade-record-one-len]
- N" L% h9 ]0 b- y4 K/ d3 t5 G# r[
+ w# ?% N" x' L& y( }5 Fset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
, j- E0 f6 J# Q9 ?% Fset i
, J0 X0 u0 e6 K/ P4 u( i + 1)6 t: @7 o7 Y: h( G( I
]
( {8 H! O* C5 G4 ?* P9 C( ]let credibility-i-j-l 0
7 X9 Z" M& o C. b;;i评价(j对jl的评价)
9 M A+ J! V, a: }" e/ F+ K% Olet j 3
1 `" i1 ?" G* `& N! R8 z$ v8 Jlet k 42 }# c9 d( j0 s3 `
while[j < trade-record-one-len]4 {1 @. V3 E! l& A8 c# k
[6 t2 m7 n4 A, D! z
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
' _7 L0 Z% M! [% Pset 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)
6 Z u% O0 A$ s0 m( q7 N5 q! ~set j3 f( J( G, B' J( r3 K- y. q2 l* `
( j + 1)
+ d0 U1 d: q3 o]: \1 H! t6 C I; A' o6 O \: n
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 ))3 F4 p+ ?7 p9 L9 k/ O) L; O
- c5 t2 Q) b0 v# }8 M
! s8 C- f( Y2 w4 x7 O# {let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
- A6 Y$ o2 o' {/ F3 j;;及时更新i对l的评价质量的评价
- ?) }* L6 x$ V$ t" G+ K7 iset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. H7 }& J: D8 _8 U- M$ f! d% n
set l (l + 1)* u# q# }0 q! l, b
]& u& u2 C9 H% _1 i. h& Y5 i, U
end
5 D( l# t+ `0 ?( U8 |& b5 t6 l
to update-credibility-list! P, M" G) t9 {5 b. q8 F1 C0 q$ b
let i 0+ ]: f0 Y5 \: b; j6 G- I$ G
while[i < people]3 a. [8 V2 J) a: W$ i! J
[
0 P, J7 O2 f h7 E! H1 X( x* c& hlet j 0$ E( G- c5 p& q9 c5 |
let note 0+ g1 b. c, W4 V7 K% Z: R
let k 0
8 O; ?$ q& e( q2 m+ C( j( o;;计作出过评价的邻居节点的数目
! H7 w+ _8 V8 _* ]: D! iwhile[j < people]
; F& @. Y4 I# f6 X+ ` G2 V[
$ \/ j6 v& t& @/ l# {0 w$ i. Sif (item j( [credibility] of turtle (i + 1)) != -1)
% L8 k+ z; Y$ o/ C! |;;判断是否给本turtle的评价质量做出过评价的节点, x6 Q3 A+ \& m7 d% l
[set note (note + item j ([credibility]of turtle (i + 1))), _1 t9 L. h' \% n
;;*(exp (-(people - 2)))/(people - 2))]
! Y3 E! G5 D# O2 n6 lset k (k + 1)0 O' m$ A* j7 S/ n n _0 Q; U) w
]
5 ^# }# z) ^. ~/ \ p6 m) _ Kset j (j + 1)
9 u# z3 }1 Q$ t, `]' h# G/ }; f* t- Y. g' b
set note (note *(exp (- (1 / k)))/ k)* B& c* f: G& m0 o, I
set credibility-list (replace-item i credibility-list note)
R' I3 B% [3 m& Vset i (i + 1)2 ~- C7 P( I( j1 x' R1 o
]1 J! \4 {" V' d' V: x( \
end
; g4 V- ^1 U) @8 j6 X5 g8 d: d$ V( m" k) v4 v) ^* {9 _. O h
to update-global-reputation-list
# F& ?( A3 H; Zlet j 0
3 E9 z& v9 }9 R( Kwhile[j < people]
- w; A1 _) d$ d2 P" Z6 W* g[; x$ U# u: T. J/ p5 y% [
let new 0
; }8 N( Y& r# P/ `;;暂存新的一个全局声誉
3 t" b0 U8 S$ Q# Llet i 0% B' K( S3 F" C7 C7 W# e
let sum-money 0
% T( ]8 E9 z, ]" \$ T" S! g* |$ Clet credibility-money 0
6 s& U0 J! h. G7 \ Qwhile [i < people]# l1 p9 n7 f. h) j, }' E( j, y
[/ \6 Q' g" n% c Z
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
, a' y+ N3 X, d' D4 jset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
) H* R# b. q. K6 gset i (i + 1)3 U1 h: |+ G/ a6 x; P% \+ k8 U
]
) Q/ \8 T; ~/ D/ N9 F* ]: |2 I2 z; _1 Nlet k 07 N3 v ?2 f6 S: c3 R
let new1 0: O4 ^2 u* `! a8 p3 e
while [k < people]
6 H2 U4 L( E% G, }[
3 q& Q" f6 B( d! N+ v% Q1 `% {set 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)3 Z0 [% n9 r* }" F
set k (k + 1)
' q8 l' c( D/ `]
# C# X) j$ E5 ~# d8 j6 ~$ Wset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
. V8 t {+ b! Jset global-reputation-list (replace-item j global-reputation-list new)$ @, M. a5 A2 H8 k% W. S
set j (j + 1). [8 Y4 K* S% x4 v8 k) }
]2 ]5 n- S6 ?+ t& k: `0 ~; B! P: S
end
' ]- {: D3 j% @, h% i7 x$ M# M2 s8 f4 B( ]8 ?/ j4 e
) _5 t O5 \' R* |
" }( t K6 O; g. O8 b B6 ?
to get-color
% |, a( ]" K. v' z& _
3 U; x$ e& Q) m7 F3 t: p4 H2 g0 [+ uset color blue$ X6 ?) G$ K" b# i$ m
end" {7 |6 D( a0 ?! g
1 w1 f" [4 X2 ~% h, g8 g3 F
to poll-class& C6 Q# B) h3 t8 l2 h" D- S
end
9 N. G( i6 l% B! ?& g' j$ Q$ R" X% U' p
to setup-plot1
! K0 I, X2 [' [% M" |% e+ d2 H4 ?7 e7 |5 L2 ~' d% z
set-current-plot "Trends-of-Local-reputation"
$ O* x1 j8 ?% y: K3 B* A- j. g, V) @7 G# V: ^3 ~
set-plot-x-range 0 xmax
) _- ~" E# O; p. o, N' y& R7 R( k. c2 c2 E4 c3 g# h
set-plot-y-range 0.0 ymax. c3 j8 K# R, {; u6 L3 w
end J2 a7 @+ k& D( ?* S( z( k. `
* f1 V, d6 {# ~6 e- z; p( Wto setup-plot2$ ]. c Y$ l0 \" M L
! Q, E9 d7 ^6 F4 \" @' ?4 kset-current-plot "Trends-of-global-reputation"% z1 @" j+ I) P* ~( Y3 J2 d
2 p b, P6 }; ?set-plot-x-range 0 xmax
2 @. z* o3 ?# ^2 S0 D- x' P; ?6 c( C6 t& h- \
set-plot-y-range 0.0 ymax2 _& v4 l+ D8 e
end
3 E2 [! X# [5 A7 I; J( E" L$ ]9 `5 t# c6 |% D l2 q7 C Y
to setup-plot3. y3 Y, ^+ w. x. V+ W
+ c4 ?0 m. y/ ?$ C+ sset-current-plot "Trends-of-credibility"7 y: \) \5 W* g7 w
$ I4 a- x: F* g/ Rset-plot-x-range 0 xmax: ~/ t; V, W1 L) a$ r
" d; c1 L2 j, G+ b& x' e: rset-plot-y-range 0.0 ymax
( L3 M! y C6 f7 R8 Zend# d) w# h: ^: H7 z- ^
. z3 s7 ~, E# ]+ Pto do-plots
7 Q3 t0 i. v4 m$ C6 L) k4 }- Sset-current-plot "Trends-of-Local-reputation"2 R: t" y- z) b' _
set-current-plot-pen "Honest service"
4 O/ w! i: y! y4 Yend. f9 ^3 a; ^% M5 E* w. {- P
3 A" B9 q0 P" v1 T& ~0 k: n; r" `[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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