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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
+ }0 v. q% |, t- k) H5 t' Hglobals[
9 p$ p# W; c. n1 w. P2 E* Sxmax
) b& Q$ S6 W8 Xymax& r. o) v6 }( ]8 U
global-reputation-list
3 m# | n- d, L; |1 A) [9 |+ Z5 D3 H
;;每一个turtle的全局声誉都存在此LIST中1 {8 U# s- d, k7 E1 Z1 i% J: |( s9 [
credibility-list4 y3 \# ^, t. i" J, [& Y" C
;;每一个turtle的评价可信度
& v0 |8 ^& ?3 n8 Uhonest-service7 O- @3 u- |5 k/ f- Y! g2 f( l
unhonest-service% E4 J# n7 Q4 K9 c! B& x% o
oscillation
' y) q! w/ q" `' w2 |/ u# Erand-dynamic
4 _, B6 d' P9 ], ^/ I/ z2 {* u( n0 ]]. a8 X7 ^% i( m' A
8 ~: p. q+ F0 [& s% ?7 B1 `turtles-own[- j" m0 ]" f$ m8 R+ [
trade-record-all$ |( o6 P# V0 R% n2 M' Y
;;a list of lists,由trade-record-one组成# e4 p1 z u/ S7 p5 R) V8 A# w* V) u
trade-record-one
" P/ ? @5 R- o, K;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录' p# S. R) E4 d# N+ H& z5 r" `- h) I3 v8 f
7 \6 }4 a8 H, W& q3 U) x e6 o2 [3 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]]
2 ^+ l0 w9 q' Ctrade-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]
: e/ D( i, J1 T7 qcredibility-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' X; Z, ? W' p! e7 z" l" F
neighbor-total7 Z3 _2 |5 q/ S! M% ?; q! A; `
;;记录该turtle的邻居节点的数目1 @( s2 i! ?0 `
trade-time
7 V# S' m6 K' B;;当前发生交易的turtle的交易时间
H) u3 S4 F( V- e' Eappraise-give
- L) E9 ~- [, u;;当前发生交易时给出的评价6 Z4 o- o+ ^5 V! ]6 ~ ]- I$ f
appraise-receive
" w+ _0 ^: g) g0 F5 Z; ]. i- [;;当前发生交易时收到的评价" K( [9 y, z& u6 T; C
appraise-time
: p* Z: A3 B* T4 M) B) g;;当前发生交易时的评价时间$ Q# x: o, ]# o. _* C. o& a
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
, \1 H* W1 a$ N# Vtrade-times-total2 F$ a7 j2 |4 P; f) E/ I
;;与当前turtle的交易总次数1 J! m/ U6 {9 \7 W' S
trade-money-total5 f! R3 T( ~# r5 _3 r# X; Z2 ?8 |% r
;;与当前turtle的交易总金额% w }4 r6 y- Y* r" y; O
local-reputation
; Z$ K- w$ z) K$ U9 o+ a `global-reputation
/ y* c0 j: {5 C9 Zcredibility3 w& G7 ^; k; [! {
;;评价可信度,每次交易后都需要更新1 _/ ^# Q: `9 E; W' ~3 ]
credibility-all+ H' _! R* C, A8 X- J: p
;;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
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4 N& V) @: Y3 d0 @& u' i;;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: \5 u/ P# Y/ U8 C) V. v/ p
credibility-one! K6 |( X' n/ B) n
;;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
" {. {% j3 E% X+ Qglobal-proportion
( O. A% J8 P" Ccustomer
6 n+ L9 e; Y Ccustomer-no
$ Q* M* z: a" O ~0 atrust-ok
. [0 z4 g/ u0 i3 A: ~trade-record-one-len;;trade-record-one的长度
3 C# A$ j0 o& s+ g2 Y]
5 J6 ]1 d- B" P! i0 w$ }. n% D9 U" G q6 d' }( i3 T2 o6 I, u
;;setup procedure$ j# X$ v: d3 d: H" L- A1 S) U- Y. J4 ?
3 K0 e5 {/ D) ~- U0 |: Q: Z; Ito setup
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/ I2 ?; b w) U; wca
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% }: ~; f" \ h/ o9 J+ zinitialize-settings8 B. f& @3 H- j. N; v# H6 {4 _
! z8 n* v' C2 @9 e& |$ jcrt people [setup-turtles]7 ?( Z+ I$ B) _1 }, u
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reset-timer
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poll-class7 Q% { L2 X. Z
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setup-plots
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+ o$ o8 I8 K# m! m3 F& [+ Y! Kdo-plots
# T! u: T& y! w+ x7 send
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to initialize-settings
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set global-reputation-list []
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set credibility-list n-values people [0.5]
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2 S. G/ m9 G' n% ?7 ~4 Dset honest-service 0
* k, d1 ?4 j' p! Q4 j8 i: `7 I$ ?8 f1 F0 G, \( A& o/ ]+ u
set unhonest-service 02 q2 ~2 e$ z+ O0 y, C6 Q0 P3 M8 O
" E- t" ?+ g9 @* n- ]2 s" V) s
set oscillation 0 j9 f/ c. N; w1 q4 B
- z5 v& F4 f' `% T+ Y' e# N aset rand-dynamic 0
9 p5 W! O% l* t3 oend# K; w/ X! E A2 ^
) z5 H* w* B" d( p8 M( s4 ]
to setup-turtles
0 O3 @, p4 F# W" kset shape "person"" D& s& A* a$ W4 ^' f9 t# R
setxy random-xcor random-ycor* D6 y8 `# D; V4 z
set trade-record-one []1 L) K% x0 N' c' \- k6 n$ a
( |5 n y5 a! ^! i4 Eset trade-record-all n-values people [(list (? + 1) 0 0)]
% p: E E. _9 h; h1 _* K8 u c
( R- y6 ?! s% ?" x1 T5 h" Z2 Vset trade-record-current []6 c b% j1 M7 F! }
set credibility-receive []
; `( P7 O: d* W2 w3 I$ k+ \# x$ uset local-reputation 0.5 C/ W6 m8 ~0 v
set neighbor-total 0
0 {8 q( z9 D6 x7 y" ?$ kset trade-times-total 0- {0 `' S- ^. O9 e$ p y! U- w
set trade-money-total 07 y/ D. ?1 a6 s1 W
set customer nobody
# c- K; g! j' Z; i; _$ e4 uset credibility-all n-values people [creat-credibility]7 f& n D/ ^" h1 n! L+ w' ?: T
set credibility n-values people [-1]4 f/ B" i# m/ G! k& ^% P4 o v
get-color
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6 \5 ]8 j2 N2 D! s0 b, k( G9 gend
# ]: |9 w" p4 O* Z
# W/ ?3 P2 w! Z& rto-report creat-credibility
* W4 ^2 m/ ~: e Rreport n-values people [0.5]; _! t% h4 ~: `5 D/ ^
end
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/ [3 g8 }5 l6 S+ |/ d; ~6 \8 c& Qto setup-plots
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D6 }7 H1 k) ~9 c) jset xmax 30
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6 w7 A% \- x8 f% h3 g0 j6 `6 fset ymax 1.00 Z9 S/ g4 U/ T1 E( a
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clear-all-plots; X7 V( d( ^! v6 x+ Z
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setup-plot10 c! u3 x+ C( S; P0 ^ d
. D. W. `; H) K$ ~% j Qsetup-plot2
# y5 K; w# K1 l! K2 H
% i# ]$ s1 ~* R/ _setup-plot3
2 T3 W. d8 z. R- d$ z8 F% zend& @/ g V" r: \0 |3 T$ H$ z$ n
! z& e1 ]6 Y8 ?' I4 W
;;run time procedures
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, j7 i3 i5 e5 E; }) D8 E, Fto go& N0 I) e" j$ b7 g
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ask turtles [do-business]2 ~# W$ }$ F( D/ K; \. n
end
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to do-business
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% C( V9 D* m8 I) X5 d2 u( Q
J: X: j" {7 ?- jrt random 360- ]9 [& E1 {5 X% T" v+ ^* o4 s# b7 S
/ j, b$ F/ ^, y+ a
fd 1' d% e0 M4 s/ H) y! @, m/ d( C
( n/ z/ o/ L! ^" {$ _
ifelse(other turtles-here != nobody)[
D/ j- |3 h4 r9 \- \1 E7 f) f! r6 g4 i- J2 [6 a2 ]3 }, V
set customer one-of other turtles-here, a0 J2 O4 i" ~8 w
" M! P8 k G( T;; set [customer] of customer myself
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1 d& n) _) k+ R$ c4 {( j1 |set [trade-record-one] of self item (([who] of customer) - 1)
* v' ?% Z2 U* s/ ^ K0 L1 J[trade-record-all]of self0 z8 f( y0 e C' X) x
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
% m$ D3 r3 f& P: x6 U: W! {! ]' V% w) R# s% w
set [trade-record-one] of customer item (([who] of self) - 1)
- b! g2 B+ A& i$ O2 N! y0 {$ W[trade-record-all]of customer! Q- I; _1 n! x- F4 ?' Y- `6 a
- B1 x2 j( M8 ~8 B; N! gset [trade-record-one-len] of self length [trade-record-one] of self
( j7 j+ H; N/ E* a i% B2 k
& m* z2 L7 k8 U2 C& s, l' R; tset trade-record-current( list (timer) (random money-upper-limit)) ]4 L) r. c5 V/ A# @9 a( b
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ask self [do-trust] I9 [4 i6 C/ ~! b$ s9 N
;;先求i对j的信任度3 Z1 N4 \+ \+ H2 O) i# L' n; O
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if ([trust-ok] of self)
' r) j% H9 S7 ];;根据i对j的信任度来决定是否与j进行交易[
; R+ C4 {# T4 X6 U. Sask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[6 c+ b' H0 i3 O9 g" ]8 f
& c& L. ?2 C$ k6 X/ d3 Z7 R5 sdo-trade
% i& e2 f0 u( W% }2 \' F( H$ w4 D1 L# c2 x6 e$ q
update-credibility-ijl# i3 _% \- ]& d
# [" a* _0 g) N6 X( ~update-credibility-list$ B& G4 ]8 }1 Y& S1 H( ? W
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update-global-reputation-list
& d; I7 m2 d3 Y& X: Z2 n
4 A# T; s% S3 s; y9 Ypoll-class
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get-color
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8 k3 r* n) Y' Y8 r; ~. ~- Q]]8 [* T9 i% l/ n* P0 G+ w
0 ]6 v- |& m3 w( C
;;如果所得的信任度满足条件,则进行交易
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4 G: L# d6 W8 {( y/ ~
$ s) E5 l: e* I$ {+ k3 hrt random 360
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. y8 Q6 G3 X& y! I4 f8 g) Ifd 1+ ^5 w8 o7 ^4 h
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* @2 b- b, Z r; X/ z2 Q$ b2 r, \end; ^9 P+ o5 O! e, \( ^4 r3 B
& o: Y2 F" m, ^5 Z9 cto do-trust
! k) z' D' z/ e; W* \& H2 X, S- p' dset trust-ok False
( ~1 E. f- R5 e2 I7 o* a1 m. s" ]: C) p( x
' |( ~* } {9 v6 qlet max-trade-times 0$ a! I5 m+ u+ Z3 N) P& p& Y
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]+ G* |/ ]' F2 c
let max-trade-money 0
# r1 X9 x: P3 ]* C/ eforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
, |# m0 t. [+ W" E \ Z" blet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
+ I( A$ T1 G& V& b; [" C" m' f
) O7 O1 Q3 v6 b" Q
/ H% g3 B# ?: H, r. I7 zget-global-proportion) S; x3 s% I3 r. M
let trust-value! ]8 s: w! B7 A. n I
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)
! d0 i3 H/ m( ], Vif(trust-value > trade-trust-value)
: V, L( v# k f[set trust-ok true]* R" f) {# B! ~- V, }
end% P+ |, v5 w: O% y( J" o( R
2 h0 T! v' W. _) ?/ L Dto get-global-proportion9 t4 }! o+ Y- t% t' @; q L% P
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3). C7 C0 ^: Y! h9 G+ A
[set global-proportion 0]
3 O8 x K* ~' K% F b$ x[let i 0" d3 V: F) `- ]5 W( D! w1 M9 e) W
let sum-money 0* M' r# q& W W3 x) p5 ^, p5 z
while[ i < people]9 A8 Q# ]- J2 @$ e
[
) C3 v! }# I5 T3 g5 G8 o1 ~& }' Tif( length (item i3 _% ], Z0 D9 c- Y: `$ E
[trade-record-all] of customer) > 3 )9 U k5 f* A& D' J
[
r1 |& Y! w' q+ t0 A; Hset sum-money (sum-money + item 2(item i [trade-record-all] of myself))( w' _5 m( J; }& q: ^1 g' m
]
( \3 `. Q5 ~3 \6 s0 Z: }* `7 t0 }]8 O; F% y2 C! o! h7 C$ c4 M' k6 F# L
let j 0
% A' Y# h' ]/ E( C" ^1 Flet note 0
0 V7 U; ~0 q1 I( Y7 Hwhile[ j < people]
^9 v# X6 n2 [$ z" q* T+ O[0 A/ ]+ U5 C; q. E; ^. T
if( length (item i
) d' O' @5 ~* u3 g1 P5 y[trade-record-all] of customer) > 3 ). X( `& ^% p3 E9 v
[7 I3 ?( E0 Y3 H
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
6 ^8 k* U; q( c2 V% {[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]% [# J# w8 B6 O6 T
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
% c* j' }1 f# K4 V]: x( j; \. W8 z( L) z# c
]9 ~7 @( U- P+ E: H; J6 L
set global-proportion note
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6 ~" h* [7 W5 M" X: Qend
5 h3 H K) a" l
" A; V) z- D, {. C9 yto do-trade
' m6 g) g3 o5 [+ c# ]; ]. |9 b;;这个过程实际上是给双方作出评价的过程6 {" X! Y. h% \$ O
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价8 g7 x% u, O1 c4 _6 W+ g
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价& K$ p8 f8 h0 J2 u
set trade-record-current lput(timer) trade-record-current
1 ?$ \3 Q3 A7 x' C2 b1 H;;评价时间
* h" l2 L7 ~5 T3 f7 L% `+ u: Eask myself [0 U7 s p* @( R
update-local-reputation
0 c8 S* e4 F# ?% E1 i- B. s$ xset trade-record-current lput([local-reputation] of myself) trade-record-current* k2 [; c: J/ `+ i6 S6 _8 R
]2 M# M2 O5 j, H2 { _( s/ `% Z
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself8 w; x% ~0 W+ g1 a" C5 O) a0 Z
;;将此次交易的记录加入到trade-record-one中; O, I' C; N" [- D7 u4 b$ c% G
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)/ I6 }4 s* T* _5 h; M
let note (item 2 trade-record-current )$ ^6 m1 L0 W1 w+ R1 S' V! O
set trade-record-current) y' F5 Q$ q8 o& z2 p# {% m" g0 j
(replace-item 2 trade-record-current (item 3 trade-record-current))+ C& U: h; X6 f* f# K
set trade-record-current$ O& K* W @7 y
(replace-item 3 trade-record-current note)' K) }7 d Z7 z! W
6 {: ?; k$ E* o. _+ i/ K5 Y" l( b' O7 G
ask customer [3 f$ a+ q1 O) O
update-local-reputation3 S: s& k$ P, Y( u" q; |2 n8 Z! }
set trade-record-current1 d1 B" }& X# @. _% u5 H$ ]/ E4 E! X' [
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
9 ]# ~6 O6 o, c/ {]
, J l2 t+ l3 k s/ j$ J! m) x' r7 y3 J! e
% S) Y9 r+ A/ W. X/ Pset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer, f# a- d$ A4 x( ? F! p
# ?" Y0 r3 {. g, M- Q; ~
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
# \) E x7 H5 _5 K2 u;;将此次交易的记录加入到customer的trade-record-all中1 b4 d6 o6 B; L7 u, H* {
end9 u1 j: C6 q Q2 w) P/ g; q
1 U5 M0 @; V, F& u: O# g% K" a1 [
to update-local-reputation/ u2 g7 n+ b! g* N# E
set [trade-record-one-len] of myself length [trade-record-one] of myself& W8 \7 T0 @' j( x0 {# H0 {
; t7 i, P, J f, D* @. `" q8 k
& r6 `7 e. b: J3 r;;if [trade-record-one-len] of myself > 3
5 S" ]0 H- ^0 N5 c9 H" x2 gupdate-neighbor-total* s/ R. h; `, X S
;;更新邻居节点的数目,在此进行- a! c0 L% M( o9 z3 I
let i 3
# F% o) l4 X% S* y( j7 |, `9 rlet sum-time 0) q, K) y0 D _% C$ l
while[i < [trade-record-one-len] of myself]
8 M0 ^% @1 h9 a2 g J[
* e& g0 y# z) ~5 vset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )" I# x- V% V6 E6 K- C0 F: p
set i
2 O2 J. j9 d6 g3 f3 N# Q( i + 1)
6 `0 ?3 v, e! c% ]]
6 ], H* X4 @- v# Jlet j 3
" R m: [9 g. [# Glet sum-money 0 E# o1 |4 M: C+ a j$ n8 ?
while[j < [trade-record-one-len] of myself]' i6 G! A; h) `! Q F
[# Y) b) I- `6 I2 X: |: _
set 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 y/ N y/ m& K: C3 V( @7 T( q
set j. G4 h- ~& Z: I9 w! B
( j + 1)
$ H$ R5 ?, V6 w/ J5 A]. S4 E0 T- y* p$ \+ b/ a7 F
let k 35 }, d d0 x4 t' i; @* ?" |! k
let power 0
( _# A' d% O# }: m) i2 I7 `" J- ?4 nlet local 0* \: Y1 N6 d/ r1 y. d5 ? }
while [k <[trade-record-one-len] of myself]3 b0 z6 V8 I4 J( O; @: k7 A6 {
[/ ]1 m$ W$ t: @- [; Q, j% J, t
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)
" |5 u4 l# c5 g6 a6 A, Bset k (k + 1)! p# o* C! M; {8 p
]
! E* z9 c K) rset [local-reputation] of myself (local)" }/ h1 o$ N/ X5 m# s# L
end/ ?% I% ], G7 F$ l- e1 i
' i4 x+ _+ \3 u; S; p! b& J
to update-neighbor-total
1 _7 G. | o8 ]1 L1 ? K8 ^& ~) S9 \$ J3 i5 Y0 K- \% w1 V
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]5 R, R, N, ]- Z `' m% S8 e* h
, m( i( e/ U8 c
! G% U& o9 Q5 q' Z$ Pend' C: G; \* |5 M: {, `
, k, n# ^! `& ?5 ]& Rto update-credibility-ijl
* X- `6 D u3 u1 u. K5 c L7 Q; J4 u, }
;;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。
; k7 s: N/ V: y# H& k4 o9 W2 C glet l 0 v2 K, j. ^! T+ y2 v2 }/ f, Z
while[ l < people ]
3 F7 _4 r* A+ e- t# v, H' {;;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
6 E4 z# j- c7 o[ v5 q" m9 W% o: p, }0 `+ `9 F
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)3 N0 q' G. [3 l5 I& r! u
if (trade-record-one-j-l-len > 3)
; S7 f5 u$ p8 C4 Q[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# O6 m) l! j/ U5 g# _" {, H
let i 3
, s! _ j% B/ e5 s% xlet sum-time 0% n7 @" w V' j7 s" l* L' i* ]
while[i < trade-record-one-len]+ D7 y$ K3 k( p+ s, c/ l. E
[- U6 S/ \) j2 w- ^: X7 x8 S5 e1 N
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )* M) }6 {2 ]& ?: {+ {6 J/ p6 H
set i& q2 P; g( P" O, y
( i + 1)
! S2 i& d: K% H0 F5 y]2 D/ U1 k7 s9 @! C. Q. B
let credibility-i-j-l 0
' H# @/ }' f, N. T3 j9 W8 R- u;;i评价(j对jl的评价)8 g! ] S2 {; D( u* A9 [
let j 3/ }. ^9 p$ O l1 C, E0 \
let k 4
! H' H+ _/ V; `3 Kwhile[j < trade-record-one-len]
% C8 h9 i4 @' d: G[
$ }$ c/ j* V% _, P/ Wwhile [((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" @% H1 U8 ~2 E
set 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)) ^. M/ S5 J7 [
set j& c) S8 @: T6 o& H7 a- T
( j + 1)% K4 F! `7 _) T7 e, @9 }4 d8 Y
]5 D; Q+ ]6 ]: n. K
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 ))
; p3 U/ A* m( m I0 J! ?
3 S& \/ g( }1 O1 {* L0 Z
4 B" d* _9 y q) Blet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))- G, V5 B5 k9 T5 T
;;及时更新i对l的评价质量的评价1 W$ t1 Z+ f E
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]0 {* K% K, L! a+ e" W I. N; T
set l (l + 1), s) r3 X6 e' B3 I" N0 U& ^
]# R$ ?8 r* ]. c `6 W) N
end# P2 e( d5 f* e! R. J) n
4 t9 z O# o6 [; dto update-credibility-list# R$ R ?7 x& |! F0 E. g; W
let i 05 X2 ]+ D# g+ o+ S0 t$ f; G
while[i < people]4 |( W; r4 f1 }$ {8 P8 w2 W
[
. R! _ v. W. c- B/ h Zlet j 0# `4 x/ K6 X( c ?0 z, G
let note 0
( A/ ]( G5 x) A& O# |let k 02 g6 L0 G, d8 Z
;;计作出过评价的邻居节点的数目
1 G9 p. X0 w+ K/ Vwhile[j < people]6 c U; x5 d9 o' V V5 E% Z
[
, W7 \& Z7 u' T% \5 Nif (item j( [credibility] of turtle (i + 1)) != -1)
+ h5 w* [! P! L A1 I; U;;判断是否给本turtle的评价质量做出过评价的节点
: G9 j2 ~4 ?* o/ z9 B/ T4 K8 A& S[set note (note + item j ([credibility]of turtle (i + 1)))4 T- [5 c0 f: G' E. ^: A* y6 C
;;*(exp (-(people - 2)))/(people - 2))]* L) |1 V, M' g/ Y5 ~0 M
set k (k + 1)
7 W/ s/ a6 e9 h' U( n4 z' H]
$ F( W: a% D% H( kset j (j + 1)# C" w0 P& `. f
]
; A( }0 u( x% J+ Tset note (note *(exp (- (1 / k)))/ k)* y( {8 D0 [' L) H! t: A# E) s
set credibility-list (replace-item i credibility-list note)- s' h9 \& r# D7 k3 \! ~
set i (i + 1)
5 s' q9 X. F9 Q2 H]
. V4 L8 O' M9 ]2 w0 b8 _. bend4 t: y1 Y) ]' n3 Y
8 G d8 U* S( b' [8 ]
to update-global-reputation-list
6 k, ]- }! e" ^) Vlet j 0" D+ o- L6 ?* i1 i
while[j < people]
) J9 u8 R1 A' v' F3 {[3 T" ^; [, P D- I
let new 0" S9 U2 B1 j" G) P5 ~+ H
;;暂存新的一个全局声誉4 L) q+ S: J* Q. J4 {/ ^
let i 0' K% z3 Q6 g0 M% Q9 L8 {* w0 E+ s
let sum-money 0
[! i" h" ~! A: U* klet credibility-money 0
3 i: u7 H- S2 P% R& Jwhile [i < people]& P7 a2 Y% }6 S2 i* o
[
+ b; ]! `$ W9 I% q" d ~" ~) [set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))& H$ X% t- W: [3 o) R7 @; a2 G
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))4 r4 b& P4 Z0 u7 F. y: C {
set i (i + 1): A! r# E v* @6 g1 M2 V
]
6 E* ^, K. D9 y% j, ~let k 02 A# v) O2 D; q5 r9 d
let new1 0
! ]* N0 {: `/ L: ?) ^' O2 y- u, Jwhile [k < people]- M0 }1 q; K& W) T- m
[
, |" ^, D& u0 v" Q9 M. N" U/ xset 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)
0 O8 J8 O3 D/ {# R5 e, L5 Aset k (k + 1)
; }! `+ r0 o1 K2 `]2 Z' j% v. V) E7 e
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: M/ _8 I) J1 G% @% p( P& hset global-reputation-list (replace-item j global-reputation-list new)
* M& `6 |& J$ D) P: M# K' W6 f' Eset j (j + 1)+ F$ f( J+ [0 Z. t5 t+ S
]
/ ]* p9 |4 O- z0 X& b* @0 f6 zend
4 O0 i) B! B9 ^8 M5 N3 \
% B8 P( }8 Q O; L, \
+ z3 O- o. w) `8 }9 a& d
7 B( \$ c% m6 b5 z6 W7 ato get-color
% F& p" J7 \$ N3 u1 N* z' G. b- T$ b- Z/ J
set color blue$ L' g- \, J4 s( c# I% }- l
end
. R4 [8 i" T% n/ O
7 U3 |% t4 G/ x- G i- g3 ~to poll-class
3 ~' l7 w0 l4 h( j* Vend
) X/ v/ \ \& v+ C! ~, }& u! Y+ y$ P$ ]. D
to setup-plot1! u3 r3 y' N' F- w) S
0 O+ K6 m- E$ m1 O) g: Y; Fset-current-plot "Trends-of-Local-reputation"7 R3 i1 K9 w* V* S
2 }7 U9 h; L) U8 v! m8 Aset-plot-x-range 0 xmax
@) f+ @2 x# c- }
; w- S2 k2 f# N: o$ H5 ?# ^% w1 ~set-plot-y-range 0.0 ymax
* T, ?: C" n3 W0 L+ V& F4 T0 Aend
( k5 t4 Z/ b% ?' T3 u1 _
3 Y; o5 B1 S# |2 U- jto setup-plot27 [: V8 A; W+ p ], E
: X! U# @- b ^5 s+ oset-current-plot "Trends-of-global-reputation"
6 x2 _! ?/ b; ?' R0 V p$ w- g+ }
set-plot-x-range 0 xmax
( n( T% z9 d" Z$ W9 N& |! G1 a1 _* d. I8 T
set-plot-y-range 0.0 ymax
# W, n: P* ?4 g: B! Z+ P3 ]end& `( _& s$ ~0 ~6 M3 A
# w$ ^: I4 k3 _3 o2 Z7 u, j( v
to setup-plot3
5 `" J, l' ~# \, \' l- S1 s: N3 W5 I4 c- O w8 Y& B' W/ j
set-current-plot "Trends-of-credibility"
! T9 p+ w$ r; J( l$ P& ?- h- { i+ y: L0 {' F0 q8 v' F
set-plot-x-range 0 xmax4 I& Z2 y& u; |# I: v J0 C$ l1 o
( m" ~) u6 j# Q y" @; yset-plot-y-range 0.0 ymax4 m: R v% `7 i
end8 ]6 D, K; S1 b$ c: N# k
2 Z- H$ Q: e( P# I7 Lto do-plots$ [2 W% o5 j7 u* ~2 P5 S
set-current-plot "Trends-of-Local-reputation", |1 i6 y9 W, K
set-current-plot-pen "Honest service"; @* J' w5 I7 ], ^% l8 m9 \
end4 d! S2 s: @: ` u' M
; `+ n4 P. M; R; Q( ^1 D[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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