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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 x1 l1 C4 E0 g! z9 B
globals[% B' d/ t9 ]/ x4 c# Z! N
xmax
3 s/ Z3 ~5 ?5 Rymax
: F" |/ z3 f3 i! U. T" @' uglobal-reputation-list
! `1 C: r' E- E' u3 `+ \
5 ?5 {$ \& t6 e) H, {9 n8 c" L4 P# o3 A;;每一个turtle的全局声誉都存在此LIST中
( E0 `+ _% q$ c2 N! z9 xcredibility-list/ s. j( x8 r# P7 e
;;每一个turtle的评价可信度- E0 `6 c( j, J
honest-service
, R& A2 x% ~ s" I! [! p7 funhonest-service# a' q7 m/ i) v5 d/ f
oscillation
! y/ h R; \0 }rand-dynamic* K0 u! n& M2 ^+ R% @& p
] S2 Y9 k" ?& @$ U, t# K
+ E! p/ J# T& L* \$ ?, aturtles-own[$ F0 ~4 h* L n( ?8 r. Y8 Y ]" F
trade-record-all
$ o9 K4 [1 y$ ^1 Q6 Z# D H;;a list of lists,由trade-record-one组成
- u1 F) e1 J! e a; E btrade-record-one
7 a" C$ e' {' c6 }% C7 };;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
# ]2 _# g: _9 I* p h( ^! g1 _1 Y/ X1 N
;;[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]]
& Y, L; L: i" K. j* ~trade-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]
" ?3 X1 S! p; Rcredibility-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
. v) [! \8 i+ @! N) c* Vneighbor-total3 o( K9 O# K( J! L, ?- w
;;记录该turtle的邻居节点的数目
' d' Q0 M: o& n1 A: ntrade-time
: d/ L* s2 w5 X$ M) l) q( O* c;;当前发生交易的turtle的交易时间3 y9 a# A; N+ b& `
appraise-give. m, G4 Z( T& f& l i7 O. i6 y% |0 X
;;当前发生交易时给出的评价
% @! Z' ~5 p& @5 iappraise-receive# M/ F8 t5 L! m+ l2 V9 [& x
;;当前发生交易时收到的评价$ a: _8 l- r1 r* a8 c" b+ x
appraise-time9 H% L- s6 l9 Z" ]! q
;;当前发生交易时的评价时间# M8 P4 } [# |/ e* j
local-reputation-now;;此次交易后相对于对方turtle的局部声誉/ X; N) d+ _% H
trade-times-total
2 U1 _ s9 N2 l; V& d, H;;与当前turtle的交易总次数/ K9 s$ a- R5 F, u V
trade-money-total
$ [$ g; ]6 J( I9 x;;与当前turtle的交易总金额) U' b6 V! ?$ L
local-reputation8 w( z* F/ I, p' M
global-reputation+ d7 f+ T8 u# V8 j! p
credibility9 t- ?0 u R* ]! D( D$ e
;;评价可信度,每次交易后都需要更新$ ]4 t7 w0 F4 ]; A. \* @
credibility-all( v8 G N1 h( h
;;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* s! e& T4 C P: G2 E$ v. i( [5 _
1 V. j0 C4 D0 p* y% w2 D
;;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
, t' }) V, d Y- w0 Dcredibility-one
' Q3 m+ ^. y& K;;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. i* t3 V# H- y6 M3 d7 \! r2 S
global-proportion2 {5 j& [8 N- e8 j6 ]" Z* i( b
customer# y3 i, f/ {8 R2 W) O
customer-no9 \& a0 f% U7 H+ q1 E5 N) g
trust-ok* M, J5 P V$ Y0 r8 U: K
trade-record-one-len;;trade-record-one的长度* H$ _4 E+ m5 O
]
! z' y# r, L- B, k: a- e4 n8 `- U# O8 a0 G5 K$ O9 M
;;setup procedure L T2 ^! g3 a0 y
! _5 @$ S& ]) F% U+ B2 q0 _
to setup
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$ a* T- f0 t# q" t. ] O* h- Yca1 R7 j+ R. u1 l K" ]
2 k5 G5 k \- h* \5 s8 U
initialize-settings6 ?1 R) M& \9 D; P6 Q
- c% l. Z6 F' d( U* \+ tcrt people [setup-turtles]5 I+ e* X/ ~3 m& |/ F7 r2 s
% s5 z) z# _9 I3 P6 O/ w$ [* Greset-timer
8 F& b. R" N% q8 u* a! Q5 o" A0 M8 m+ Q$ U$ F
poll-class
- f: [$ U, a! m
; k( `2 R+ Z Q: V h9 X% asetup-plots- R8 N) L: O" x: f: O
( t2 {' b8 J5 {/ M$ ]
do-plots
8 [; X; P1 ?! M% }0 ~. ^, L- Dend7 }1 J6 Q4 M! \/ g3 m5 K& y
$ {0 F& h1 E3 a" ^
to initialize-settings1 y- k& g: D' h
3 N( R" R" i: g/ fset global-reputation-list []1 p: ~( ~' z {2 ]2 M. k9 |: y
" k7 t0 J! A1 ~# N5 Vset credibility-list n-values people [0.5]0 P& |( V5 Q5 A- E- G w z
8 @& S5 {* b! F% k kset honest-service 08 Z5 ~% ~/ @6 O# b
8 V; U; K" f9 S' M
set unhonest-service 0
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set oscillation 05 _4 ?1 {. h7 g/ B" D( @' {/ o; z
/ s% U' ` k1 Q. A; [, `4 c, Kset rand-dynamic 0
3 g' F+ |7 J! w- F* p, I& Tend
* H6 v: L' K) i; K2 A" J7 T/ n# ^& Q9 B0 A8 C, T
to setup-turtles
0 f2 f% O6 B& `6 s5 tset shape "person"
`8 c/ ]$ i, X8 U2 M5 E( `7 ksetxy random-xcor random-ycor4 ^; a* a3 m1 J$ [" w, _
set trade-record-one []7 ]0 n( d: U0 l7 R8 y5 k0 X/ a+ Q
3 ?# h: K+ o# d; U# U" Zset trade-record-all n-values people [(list (? + 1) 0 0)] 3 D0 s& d# h" V% G6 X1 c! p
4 D- U3 G- g# Cset trade-record-current []3 T6 m2 ~. f, ~6 m* @3 L2 U+ C! ]
set credibility-receive []
3 I4 }6 j+ A+ \3 [2 e; o+ z5 Wset local-reputation 0.52 M- h$ ^% [; `7 x4 w1 c' O4 [6 d
set neighbor-total 07 b8 v$ N, r4 U9 p/ e* F6 `% t* @
set trade-times-total 0 p: j# t' f5 X5 _$ A+ B7 b8 M
set trade-money-total 0- l. s) ^5 U Z) T/ o
set customer nobody8 ]4 [- ~9 d+ H
set credibility-all n-values people [creat-credibility]- I! _; V0 L U3 G1 [3 ]
set credibility n-values people [-1]
9 b5 q8 O5 C5 F D8 s( vget-color6 A) O& q, X! h8 H/ [
( W: O: S5 X9 aend
" {% T, I: ?3 w6 b" ~
; k1 d+ ^' f' u+ Z( ^to-report creat-credibility
! V8 a7 |4 A/ h7 Ireport n-values people [0.5]
3 J) A$ D2 d& ^, i, dend: k$ c4 |; P- K7 G; W# j
+ _, y2 i: l/ ~. d* x
to setup-plots7 @) F9 \# m% K8 Y
7 e8 g4 b0 ~# yset xmax 30
. g/ g8 c6 q2 g0 ^+ p6 s- k/ N. D) K' B/ A
set ymax 1.0* A; Y# L) M. B$ d" U$ M" w
6 U4 |5 ]' a! @% I1 M& f
clear-all-plots: ~ G7 a0 J( B, y1 c6 P4 e% ?
4 {) o1 J, V" _3 F* s3 {# ]( ^setup-plot19 m) e, A& `# s8 V9 R& y1 M
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setup-plot2+ ^7 b7 h; \8 \0 J( y/ P
4 S2 x- j7 `7 \0 Y$ W8 e& n1 bsetup-plot34 ~, g1 ?: @! N T1 ]& P
end
$ u2 y$ J9 ] ~4 X
( P( ]( E4 p w" W7 j$ e8 T; y( `- m3 a;;run time procedures4 P7 x1 \. r5 r! K8 ]* W& a0 C
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to go
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1 }, u; x. Q8 A7 _% Yask turtles [do-business]
' Y" F! e% [; ]* A }end6 A0 F, }% t) I6 E8 v
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to do-business
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6 R5 A( b5 H4 I j* |- M- h: i$ ], Y$ S# W% X, f3 m& d
rt random 360
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7 ~+ E- [$ @' J# @% s7 |1 Hfd 16 ~- v1 z) } q+ S3 m
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ifelse(other turtles-here != nobody)[) B8 k0 c7 {9 R5 U# C
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set customer one-of other turtles-here* m# p2 a0 B6 `% g
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)+ r$ a. j; N' X8 a" b w
[trade-record-all]of self+ g# [( t# G+ w+ t+ k3 t r
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self: Q5 Y( s8 o. L4 W+ f
1 R! z3 w6 N1 \set [trade-record-one] of customer item (([who] of self) - 1)
5 {, T) j6 x" T4 L[trade-record-all]of customer
, j. X0 E3 P* Q" H- s: `; X1 F; E9 s8 w/ _' |) A ]4 v
set [trade-record-one-len] of self length [trade-record-one] of self. e) u' j( p8 R' a P
, w/ a* I! n1 }set trade-record-current( list (timer) (random money-upper-limit))5 ^* P) [& A' `- A9 W7 p+ B
% Z& G! S$ @. V) q x- bask self [do-trust]
% j7 f( f* I0 l9 i8 o;;先求i对j的信任度6 {- {2 s: E% o- d b$ C( g
9 H2 k/ d1 b6 h
if ([trust-ok] of self)5 h* H5 M1 O/ m2 w7 k! S/ p
;;根据i对j的信任度来决定是否与j进行交易[
2 R" y6 x5 \6 \( V. O3 _) P% Y/ oask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
% B/ \& O! h8 v: _8 Y6 U5 G4 R# V$ ?+ E# _
[
a( S& d4 T8 y \4 l9 L* H; J, o0 W, j% Z/ |0 o M& }
do-trade$ H- C7 ?) E% q' I, `
/ U M$ B: E# _/ h g; z- o: b S8 c
update-credibility-ijl
+ e1 P9 v/ M$ m; U
& w& c$ _9 u/ c% j/ v9 R \; Kupdate-credibility-list& E& B+ g. e& O s) |
% i" u: k* Q7 u8 V i c
& i* e3 c, T$ ]* w) z1 Z
update-global-reputation-list
! D7 V2 y7 k/ x9 d4 U- [- l1 m. i+ Q% u4 Z1 |: c
poll-class$ [% d, h$ J7 D1 t; s7 A1 I" I
' J1 l5 z* F8 V' u# x8 d, C; ~* G
get-color/ @( o& @) N7 u
( |3 M( U* `6 E6 b- C
]]
0 L: Q3 b! x0 ^; U' @0 F5 P. U# x5 V
;;如果所得的信任度满足条件,则进行交易
: q; x$ c9 u9 O2 x- P
3 w* W- R( l) b) ]/ V$ P[
) r* T& Z3 l' J0 o
! V# t% z ~0 x' F$ D: trt random 360
8 Z) X k P7 H& f2 H$ E1 r7 c# U7 I, j; L& E8 H
fd 18 d! D \+ {2 G0 ?# j6 i# T1 }
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]9 }/ V. c# ~' G: y0 L
, w7 m$ ^+ X% `0 h8 Jend, C7 `7 V5 ~) M# e
! C9 ~8 Y6 ^2 n3 m, M' n1 Ato do-trust
" W% A: @$ ~$ b$ ^% Y3 Aset trust-ok False
" L' D' }# Y5 B! k
* Z' F) p& A+ h* w; T% \- ?
1 n" l: w' t& v; I) M& `let max-trade-times 03 k o/ v+ e3 M. y
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]* V" h: v2 O: d5 Z3 W
let max-trade-money 0
+ i$ x3 a0 N) {6 v1 ?. M0 J/ @foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
; t$ {+ o2 z* l, i0 ~let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
, U- ~7 y4 }% M
; n2 h/ v d! _! y8 \ j! Z
3 B7 A1 e/ ~2 J0 s9 P4 U+ R+ ?get-global-proportion L* l, `9 c5 A% C p. R& |' N
let trust-value; \8 W/ k0 M+ d$ Q: Z+ {, t. M+ p
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)
, H: E, G3 w1 G/ f2 lif(trust-value > trade-trust-value)
|; K" t d8 q' }[set trust-ok true]" K5 } A" Y: d/ M( _# }, e
end
. C2 Y3 ?% p2 D. v* c- l5 L# V4 z
to get-global-proportion7 J/ U4 n ] [# o+ B2 }
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)) h7 {- g: {! _# J6 X5 d1 D T
[set global-proportion 0]
8 V" i# H, ]% l; e5 E& S[let i 0
% S1 t1 l% l; ^ |2 jlet sum-money 0% ~: q/ K8 ]# j2 V0 V- Q) Y' y
while[ i < people]* G7 C- L- \( i6 d5 Q
[
1 ?! `/ i. F% o0 M! Wif( length (item i* [: }7 Z; M! H& r2 @1 [' O3 T* y
[trade-record-all] of customer) > 3 )3 J7 t& N) u6 n6 h) u5 a9 e2 K
[
" W7 B5 z, G. h# pset sum-money (sum-money + item 2(item i [trade-record-all] of myself)). k; F5 X, i/ P+ M/ L; D9 t( U
]
# F1 V" `* I# J& S8 O* E J]
! S9 z* J9 h; clet j 0
8 B3 o1 W& {; ^6 n. L3 \let note 0
7 a4 }+ k: ^! |7 h( U! ?- v$ A4 w0 x0 owhile[ j < people]
8 z/ t( V9 W- M' A[/ ?7 u2 Z& R) m' U! R6 G
if( length (item i: J8 J- T) x0 L, x4 u3 S/ \% q
[trade-record-all] of customer) > 3 )
) e g" ^5 w+ B! r/ @$ o[
, I1 ^1 Z: h6 Z5 c, ?ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
6 W. |" q$ }7 p[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]( u4 z- B0 K: A3 _1 {+ q) l& c7 @
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
1 U; X5 S; ]8 i/ ]$ w]9 Z/ a/ e/ i0 D( H9 x6 S1 O4 ]8 B
]$ m- o6 l9 w" d
set global-proportion note& j# a9 }: g W
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end; a2 s3 L. M3 u6 F& D
: N: P* h; y( `# O2 }
to do-trade
9 z$ s# {, c/ T;;这个过程实际上是给双方作出评价的过程- o i ~4 y$ ?4 h! _2 I, s! n1 T
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
" W, x6 e4 l4 {set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价: T5 w* p# T# ?; n! I
set trade-record-current lput(timer) trade-record-current
* E6 d S# \; F7 U;;评价时间
* J' y3 Y7 v/ M2 f ]0 Iask myself [
! Y7 r8 U6 ^8 t+ A8 {9 pupdate-local-reputation
$ p/ T5 x6 w# x. `: i2 gset trade-record-current lput([local-reputation] of myself) trade-record-current
, B9 u" f- ]0 r# k4 ?5 ~& O f]1 _& M9 a& q% X `/ e% E1 V1 k
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
; h2 |6 o0 g$ n. ];;将此次交易的记录加入到trade-record-one中- F2 X& g$ Y" p0 T% Y
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)" V% P! g- x9 f
let note (item 2 trade-record-current )
0 z v0 W! v5 Gset trade-record-current
3 @* v8 x$ D: X0 A7 O& z(replace-item 2 trade-record-current (item 3 trade-record-current))
( q: l1 x( C" ]( ?set trade-record-current7 s; {& r( P, i% y1 D
(replace-item 3 trade-record-current note)2 |2 O. |, f# h" K8 S: |
! b8 `; p$ x- ?' u- `1 }" I+ j- _( ~
ask customer [; o/ y& a/ j% f2 a
update-local-reputation B$ m: G( P2 B6 c2 \3 c6 |
set trade-record-current) F2 i$ }# s h. ~2 Y9 {
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
& m. ?- S0 U. I* l]
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer) l! k( v5 @. f$ N1 i7 N, I
6 Q% T' s# n: F) ?! Mset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))1 a# R [0 }$ Q* s" N, e P$ H4 }
;;将此次交易的记录加入到customer的trade-record-all中5 b) h. X9 C4 T# {" |- p
end4 j# z, P3 I8 S. G1 S
% |! q% F! B& C4 w' V. J L
to update-local-reputation% X X" R3 N; h; j! J
set [trade-record-one-len] of myself length [trade-record-one] of myself" [2 N1 n- i# f# f- L( V
* M% F P& W- a9 Y I3 A
9 k( j, s( B/ i% f4 ?, W;;if [trade-record-one-len] of myself > 3
' B5 y0 I F5 c( J0 q( M9 ~update-neighbor-total
8 a$ N$ B/ i# C; B9 m8 D' q" D* t;;更新邻居节点的数目,在此进行$ Z( Z$ m7 Z! U& ?2 o6 _6 ^7 _
let i 3- z+ Z- |1 u5 f3 A* m
let sum-time 0
& Y$ |/ f+ d. r- U B1 J& R6 bwhile[i < [trade-record-one-len] of myself]$ u5 H6 o0 Q2 [3 K; A, t4 z6 r C, u
[
, Z; w: ]0 c5 Y* \9 r1 E+ Jset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
/ h u5 [! u' _% H* v" _set i& O/ U' y; a0 I; W7 B" O( ]; n
( i + 1), M( T+ k- |0 Q
]
) h/ {8 m1 J" d! b# elet j 3
/ p# b! J R" M( v" i4 {0 Vlet sum-money 0
& z: d. G1 r1 O$ B3 m* Bwhile[j < [trade-record-one-len] of myself]
8 {9 ~' w& d ?; D7 i0 Q6 n[& I2 a% S& s$ B9 I0 b# |
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)7 c9 D, x+ {1 a% y' A7 o
set j% D4 h/ u6 l( n9 _: B
( j + 1)' {+ h4 {1 ]8 P$ ~( M' `2 X D4 t% A
]
8 d/ X+ B) H4 T1 t% D( X- A7 O. Nlet k 3) @5 d7 w7 U/ ] K0 R
let power 0
. @0 j& x0 Q- H4 g8 {let local 01 ]$ W! l* U* Q, I0 n& ?( a9 v, a
while [k <[trade-record-one-len] of myself]$ A5 _, }' a4 w
[
0 j" B. n2 a" Iset 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)
! o& l9 w- z1 ?: z% `8 h# b1 Q8 x; Bset k (k + 1)
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1 R/ ^$ |2 E1 ^$ y7 ^; Gset [local-reputation] of myself (local)
2 R2 D- x0 ~1 send
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to update-neighbor-total
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2 g7 p) d& @4 g1 ^if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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$ L. I9 V6 L; }5 o! e) Bend$ @3 a# g( x. W; O$ V
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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。, J# m7 L" N' K
let l 0
6 c# m0 L1 t) w. Q( ^/ E4 Xwhile[ l < people ], E7 A |3 ], g
;;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 W+ M# ?6 S$ ^! F! j I[
9 x& ?5 f2 ~0 c( X$ Xlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)- m/ w' n( w. G! E% [) G: A
if (trade-record-one-j-l-len > 3)
- S+ V3 `3 u8 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-one6 O7 A Y6 e' E$ ? K) r
let i 3+ ?( |: G `' I( k9 C) o
let sum-time 0) y* ^& @4 t1 [4 y
while[i < trade-record-one-len]
2 r+ s Q+ y; _7 {3 e[& @, V# W. ]' i7 |9 `! x# N) W8 P
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
" {# y8 Q: N# w- m! X, Tset i
1 B7 X' I5 C% N$ m$ ^( i + 1)
" y) y( z2 l9 w3 j: L' B5 W]1 h. B9 U& w/ ]- p& [& @* Z o
let credibility-i-j-l 09 u& I& w0 b) @
;;i评价(j对jl的评价): M4 a! L \0 J) r. a
let j 3. r$ P" y- W" b7 @1 y T
let k 4$ ?& t6 e& [# h' _7 J
while[j < trade-record-one-len]
; F8 B3 |' U0 z9 Y8 P7 M9 J) O[
$ r- f. n% D8 iwhile [((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
8 b( \1 s! z. R0 Vset 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, y6 q" q v" p+ i9 ^6 c7 Q
set j
4 F; G, j+ o! H6 p- {( j + 1)
! X/ U( E8 x. }3 h4 }]! D% e2 f n; \7 ~
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 ))
, `% O& x! l, v9 ]
+ d+ P" f! V' d8 w7 k9 S9 W
5 O* w- U; p$ J4 e/ [& t2 Z8 ylet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
% } H* }) Z9 f0 }) G6 I;;及时更新i对l的评价质量的评价& G/ C: s' }; Y8 F& [, T$ O
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
* F' {0 X) i7 H, nset l (l + 1)
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5 T& d6 O0 e, H8 m/ P6 Aend
' F- x# W/ `: Z* w: d& ]
3 g2 q3 A2 ~( @+ R0 F7 m& G1 bto update-credibility-list6 P% b# j1 K- r$ N
let i 0 H6 |. w; _( F/ ~: I* K
while[i < people]
' }/ ] e$ `" \- T6 [[
" s2 @- a- f K" Vlet j 0
$ l& W% f3 y. ~, wlet note 0+ c% p5 }3 A/ q) d! ]* y0 [, P
let k 0
& a* T; y# B: [( ?4 p" M$ ~1 J;;计作出过评价的邻居节点的数目
( J1 n w8 P$ L9 |3 o; uwhile[j < people]3 I( Q# h' I' L+ z% [4 u
[
% u4 P3 Q9 F6 I9 k% P7 j1 _3 |if (item j( [credibility] of turtle (i + 1)) != -1)$ f) j; T+ t0 ?! A2 x5 O
;;判断是否给本turtle的评价质量做出过评价的节点, R( m2 F4 i1 O& q8 |" \
[set note (note + item j ([credibility]of turtle (i + 1)))
8 n& \7 k3 l$ C5 f& W8 |- p N2 p;;*(exp (-(people - 2)))/(people - 2))]
) H0 v! g2 i' q, wset k (k + 1)" U# H8 `8 j/ ]7 w$ X2 I
]
, Q! l) w% {$ Q5 b% C9 u' Rset j (j + 1)
5 ]# Q: H/ p" w: I* M; C- ^+ w]9 J; f- _+ c& D7 ~% s" D0 B' T
set note (note *(exp (- (1 / k)))/ k). p: N; Z$ D! m. U4 |
set credibility-list (replace-item i credibility-list note)
7 |* T/ D7 y+ z9 h! nset i (i + 1)0 }! _* u( W7 X+ X! z
]" q B& n9 B# }) z4 s6 ~
end
; x1 q& U* E. i* a. d6 d# c/ c B" N- G+ d8 {: ]. H
to update-global-reputation-list
2 \ O( g4 I5 p \3 V/ n5 B7 clet j 0# f4 O# ~$ C7 J( z. H) a( ?
while[j < people]- E! v7 |4 J n3 r$ w5 | Y
[
# O# F9 F5 C, s& G% Glet new 0
" W( ]/ @6 u: a; V- j- ~;;暂存新的一个全局声誉
2 ~ Q; h7 X/ f8 E8 T9 [! jlet i 0( U; D: Y3 d. d$ C& R
let sum-money 0
& D, l/ z# f, j8 D3 W4 D) olet credibility-money 0
0 z) | N0 B* ]. a: _while [i < people]- w# `+ I% _" Y1 E, S6 b+ F
[+ [; D" g6 L& T, D
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))" y# e0 K( L. p' }8 O
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
5 e' E, k9 c8 bset i (i + 1)6 i( Z- }/ f0 W2 P& t1 s% B+ d
]% ^4 \. T: g4 b
let k 0
( s6 }" n+ t4 ^% C5 _0 X H* Slet new1 0
5 |- \; B) j) J# u1 ?$ S7 r* [( ~$ bwhile [k < people]8 A. b6 _$ P j6 p2 d& D" v! P
[! q) y2 K5 D7 l: P: v- F
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)9 y p4 Y4 q# d, h0 ]8 A& O
set k (k + 1)
4 L, R6 f. L& B2 W: p j( g]
0 ~7 C7 X& R y" W m9 w1 w, hset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ) y9 L+ E. w5 x9 m
set global-reputation-list (replace-item j global-reputation-list new)
# \4 ^/ K$ J: J$ \set j (j + 1)1 n4 ]; G3 e9 Q* U& m7 B0 B$ v+ v) I
]
$ R9 X8 b$ o n. F3 L. K) hend- q& | A, I6 R+ q8 l* V3 |
* ?4 i M- n. G, S/ O1 `# A ~
' K7 Q/ Z. d- s% v% q* V
+ O. o. N+ R) j1 K
to get-color0 W4 Y$ ]# m- a; Q* T( J( B% P
9 e( n1 @( W0 L( T7 q7 L
set color blue5 U# I! \4 ~. `3 q& ~- F
end) H/ ^5 w/ ~4 ?6 c2 i _& D8 s
0 u% w$ d9 e* t/ \) hto poll-class
& I4 C( ~6 ~- ?8 [. pend
- ]) O* `6 ^. U
- z# g" z$ \& `7 y( Qto setup-plot1
3 n1 }& B- @/ @( w. V$ H3 X
4 @/ m! B+ W9 m: M" w: F* tset-current-plot "Trends-of-Local-reputation"
: X Y6 y/ d- w8 S. B
& r* Q& J% T% B7 V9 G4 z, tset-plot-x-range 0 xmax" G. S' [& Z+ n5 X! H+ F: [
# J" w; V% O& d% H; b ~' Rset-plot-y-range 0.0 ymax
) U+ G/ b- |/ i: T; Y$ hend
- c/ u$ z y% g# }, v0 T0 H1 I( F, F4 _- Z' h4 _8 n& d" _% B
to setup-plot2
4 B+ x8 J5 M8 Z: r2 L
, a Y$ f0 w. Fset-current-plot "Trends-of-global-reputation"1 F+ @- l' D- o& R" j! e3 `# ^
6 ^! d) B, D8 N* H( F
set-plot-x-range 0 xmax7 X2 }2 C; |( y5 M$ H+ S7 \
$ k& C# d2 a$ Y
set-plot-y-range 0.0 ymax
- `& `( C. n3 L" K9 h, _end
7 A: R/ K+ r5 o* J" F
5 o7 m. I; I" f, jto setup-plot3
& _% B; O. ^ `" {/ R/ ]6 J& { Z: D# O: p) G8 z
set-current-plot "Trends-of-credibility"6 y$ q. D% ?: s, h
+ I" A" t! M) p1 ^7 j* s) Qset-plot-x-range 0 xmax
" |" [( [" P% b2 v4 w7 v. {! f6 w k# X# \! G4 A
set-plot-y-range 0.0 ymax
/ o4 D1 W0 v3 f' c$ Hend* w0 {/ G- _/ V3 h1 j: V
% U- Q& p( s3 ], ~, \& jto do-plots
: l4 X1 K" F" _) h; eset-current-plot "Trends-of-Local-reputation"
% L' y/ p) U& e9 S C9 F- I" O# A2 Yset-current-plot-pen "Honest service") o8 E- ^: N; b3 Z
end
% B% x) p5 N9 u0 d$ P9 t+ |( P7 p: m- H5 [
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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