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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$ }. _3 d# n. W* S+ v8 M0 O6 T
globals[
& [- u R$ T3 e+ `1 Sxmax' }' }$ X9 O, ~, [3 t( m! k
ymax) @' D& p" r( O$ `6 a
global-reputation-list0 V) w# K7 a( I" ?
5 x1 [; X" ^- U v, I
;;每一个turtle的全局声誉都存在此LIST中
: g* k0 n( L. j9 N+ B% Kcredibility-list
% t7 c: n) [. e7 k2 X0 f% B;;每一个turtle的评价可信度1 _: i3 N1 N! A9 K% S& [0 l* m2 M
honest-service# A C, D8 Z% t$ s
unhonest-service
$ W6 @! R7 `! e' e* V- ?6 noscillation F. T4 X" E" Y9 V) R. C
rand-dynamic
- i+ r6 ^" `! D6 [6 m/ G2 e4 G+ D]% V" _& f! _# D( A7 R* |# Q9 x
; k' C% A' @9 Z iturtles-own[
' M) K1 t, p3 P' Gtrade-record-all* H6 A* {$ l! r& f/ M7 F0 H0 j
;;a list of lists,由trade-record-one组成
2 B6 z% i7 [7 U, Gtrade-record-one% H5 ^3 w( Z! G7 ]# v, ^; L5 \: u
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录4 A; k( ^7 ^$ `
+ D6 j- C2 S! q7 p$ h. 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]]0 r8 L4 H! J; Z: N1 }
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]' O v5 j$ f' r0 r/ ^+ Y1 d
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
2 `( i7 ]( L2 Z, T' V# Lneighbor-total
- T) N3 ^3 o. U9 `: ]5 v;;记录该turtle的邻居节点的数目$ [; \ k" U( |) B7 A7 u
trade-time
) |4 S/ I( S/ x5 J, t: z7 e0 h8 r% ]% C;;当前发生交易的turtle的交易时间# G7 I/ v" F3 ]; F. c( k6 I
appraise-give# c( J. v3 w: X% j1 F8 ^5 ?
;;当前发生交易时给出的评价
: ~8 I, K& U1 d! ~- ^appraise-receive3 @8 S; v% K# S& r: ^" U/ V4 |
;;当前发生交易时收到的评价
6 { a" K! q) T" \appraise-time
; O* r/ c/ W5 ^6 z7 ]. K;;当前发生交易时的评价时间
8 d# |' u9 V+ O E5 s' |& g1 V8 Flocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
2 L% P) m( Y! U9 q. i8 Ltrade-times-total, X( L5 n9 V! b' b% S; \/ W
;;与当前turtle的交易总次数- u$ J/ y. b$ o+ l6 t0 L" }2 k
trade-money-total9 o( Z% C6 a. J+ f0 n1 ~
;;与当前turtle的交易总金额, N8 h" K9 H) @3 {) Q' n& l. E0 f" k
local-reputation. c( y% [( B! r
global-reputation
% ^% A) r! \4 }0 j: e1 ~credibility
& q' u# e+ R+ y, M" V. }* W;;评价可信度,每次交易后都需要更新, q: [8 h$ V# w3 J
credibility-all
6 [! f: B2 _3 a/ E. L;;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# V. x8 x) r- i0 [# }
6 x4 d: X6 `( u
;;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
! H1 H' \( \. c5 [- i: o5 a1 G0 Icredibility-one
, s. G, h! ]. A O1 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
5 Q( h9 e3 v: ]- sglobal-proportion
7 J6 |9 b' a$ r1 Y' Zcustomer
- u1 g0 @# o% C: {3 Y! Fcustomer-no3 K' {. ] ~5 y& \4 O
trust-ok
' m' l4 E2 k; o7 M& B9 htrade-record-one-len;;trade-record-one的长度7 G6 F0 p: o9 f. M9 n5 D k3 @, Y
]2 F* y, z$ b+ M5 ^4 ^1 n
4 t! k" n! _$ s$ Y F2 _% q8 E
;;setup procedure
) \, B4 G) T/ S1 g2 m3 j! L F" F8 V' n0 D$ D
to setup
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initialize-settings' ~5 d& A4 D( q1 C8 W
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crt people [setup-turtles]
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reset-timer
0 ?1 f5 Z1 C; b! `+ R0 a& m9 ]! O9 W2 F' b. ~+ V$ y- _7 v
poll-class4 J, t+ b. ^, Y( E' b) g9 m4 F
5 \+ k% I m d9 A4 p
setup-plots
5 z+ ` ?$ y: ~% n9 z
" {- L: H$ r; @' ^% q/ P3 Hdo-plots9 D0 U3 W) X9 U# I4 e y
end
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to initialize-settings
! Y T1 A/ s0 D3 _( e( i0 I; F5 m' d% h3 U; E
set global-reputation-list []; c+ _" ^9 V: v' s0 ]
8 N8 E& Q% \' p* U1 e. o- y
set credibility-list n-values people [0.5]0 k! |$ F6 O4 \5 ^1 I$ ]3 E' C
* a7 }; C+ S2 Uset honest-service 0
/ L9 t0 D, Q8 M1 v
3 s/ T: Q! B3 M, O. ?! ~( rset unhonest-service 0
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set oscillation 0* A. u5 p1 x2 H; n2 Q9 [* B- x
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set rand-dynamic 00 {+ a! S8 W& k2 `2 [, `) W
end: _& {8 n1 d5 x: k5 @2 B
: s& N$ x4 c K* Jto setup-turtles
+ M7 s2 A: t A$ uset shape "person"
( j ~8 f7 `5 Z1 u8 ~setxy random-xcor random-ycor6 \3 N, {8 v# B9 Q
set trade-record-one []
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6 p C4 N9 Q2 o+ j" b: |set trade-record-all n-values people [(list (? + 1) 0 0)]
1 y7 |9 v4 X; d5 c+ X
" R" O ^) {; F- C3 _& _+ p6 D3 Wset trade-record-current [] E+ X' c2 @0 _2 t# `
set credibility-receive []$ b5 R, I: [5 V% p1 w* }8 ^
set local-reputation 0.5
' l1 X) Z a! H1 jset neighbor-total 0
% h- O( _5 u* z" tset trade-times-total 0
+ X' H6 q7 ?2 n% ?4 Zset trade-money-total 0( p k) k& ]. x" d) U$ T: E: d
set customer nobody
. f O/ o/ f( Fset credibility-all n-values people [creat-credibility]
/ E! X+ z2 N6 a5 Y2 x, qset credibility n-values people [-1]2 ]0 n! K' E* a0 Y
get-color. J# K# J: z' X3 N
- H" O" J' M' n/ _/ p( Wend
% ^% [8 e+ A8 K# \1 I. `- T9 h/ F/ M% z2 ]: G2 L4 ~. o
to-report creat-credibility
2 Q3 j$ w2 I3 w; mreport n-values people [0.5]! I* v+ ]; ]9 m$ @: R$ _& M1 e6 G
end) T+ U# m0 E/ E4 k* F* G2 g% _) _
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to setup-plots
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set xmax 30# }& K$ T6 [8 S {2 a1 a/ A6 s/ q- `
! [! a% Q ]3 C5 X& M3 [set ymax 1.0
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clear-all-plots
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y$ q3 H0 v8 T5 Rsetup-plot12 f9 A2 J! j3 D+ c0 }1 ?; C8 \
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setup-plot2$ D% H; o( k8 {% i, c
4 [+ \" J6 W% |* osetup-plot3: Y7 y, R! C8 P, b# o' @4 E2 n: q
end: j4 i' ^$ B- _
/ v5 [! S6 M: O* {+ [( y+ w/ R ^
;;run time procedures
+ E* q% p% Y7 ?0 W1 g) q/ Q4 |' h& M( {4 L" t: y
to go
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" ~- I' W: L7 U v. H$ dask turtles [do-business]/ q% ]/ {; Z7 P) ?4 X2 v6 y8 o
end5 p% v. [/ Q/ S% w" L/ x" S
; ]6 W1 Z9 _# a/ _- x# r; O% `" @# f8 Pto do-business
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- f* ]! ]! Q- ^, x7 Y& K! T+ O' @& N) p8 @3 k# j
rt random 360
& G8 ~/ k& K3 q- U0 m2 j3 D% B1 X, p* ]# f4 V
fd 1
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ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here e; x3 Y7 `7 h& r; A% U2 c
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;; set [customer] of customer myself
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2 v/ r1 k: H0 t$ c( f8 f# [5 d* Fset [trade-record-one] of self item (([who] of customer) - 1)8 w9 _3 _6 l4 F6 v: |* W
[trade-record-all]of self
9 U( }' o: E b, N3 n% R+ A& j# S;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self; b: c4 S6 G3 a* F$ d% G. u# |
+ t3 S X; r% m* T3 E! x- O- O
set [trade-record-one] of customer item (([who] of self) - 1)
4 I" w- G8 ?/ L" E$ V! ]2 j( n6 X/ D[trade-record-all]of customer
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* R6 B+ N" f0 U& O* s$ Cset [trade-record-one-len] of self length [trade-record-one] of self
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4 D: x! i% B; g1 x3 nset trade-record-current( list (timer) (random money-upper-limit))
5 [8 {3 f% S4 s3 K! K$ w5 m0 O8 {4 V7 |9 r
ask self [do-trust]
) w: \ a8 A! A; A& U( Y: S6 X5 {;;先求i对j的信任度, z& P# @7 q! T) b, d- @% D
2 A6 l& ~ _& S$ w" Kif ([trust-ok] of self)
9 L' R$ h# @/ w2 b9 Z) h;;根据i对j的信任度来决定是否与j进行交易[7 S, G' @0 f5 ~8 p( e4 R
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
9 y) U( A6 ?% G2 |' @) _2 l- g2 M6 f6 A. g9 K5 k7 @3 Q* v7 C9 F" H5 b
do-trade7 ]" y5 ]$ A8 j9 b/ Z
; [5 ^# r9 |$ K0 g4 e
update-credibility-ijl3 C4 C. a5 Q9 l" z" `: e/ ?
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update-credibility-list+ t( T/ q m1 [" X' g% M
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& ?+ q, |) ?" g( lupdate-global-reputation-list
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2 D3 M p: g1 ?& x0 `( Y# Rpoll-class& V8 b! }! ?% }3 I
; R8 E8 k1 s, @, ]# L* J& v/ J K0 Y
get-color; P- V# C! p r
8 _3 e$ [2 L" h]]
* J2 J1 k6 M% m; N* @# n( y- |$ Z6 g0 A* h' F. ]% @) I
;;如果所得的信任度满足条件,则进行交易
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[8 d& F. L, u7 i
2 ^% h& b1 @8 m6 ]7 R
rt random 3607 D4 e( n' L( p8 z0 s: f
- B$ f3 d6 J ?8 k- c2 efd 11 F7 f8 V! |8 }
5 R5 m# }; _+ @
] V6 g' p t; ` `
! c* R; O+ {; A6 s- hend6 v E+ f0 J C! h. u. y( W( a. g. T
2 }# ] u# d: U8 X3 Q2 P* j
to do-trust ; l/ t. A& T( b
set trust-ok False: C* O1 {+ m- u5 l7 s4 ?+ W
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& a/ z( K7 f8 J3 \. O1 e s
let max-trade-times 0
5 `5 J6 {! @# S' t# v0 Oforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
2 y" M- y8 a5 |" `6 olet max-trade-money 0- r# ? k; K% O! I0 {0 K
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
& j* I5 h- g l9 [& ?; wlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)): r3 R/ y7 K1 r" ]/ @4 ]
/ y5 e2 @3 s( H1 V' G# m$ t% X/ h* G+ L9 R$ ?4 Z0 m
get-global-proportion
) J8 y e+ Z( ~( L% Nlet trust-value: i: d+ l" v, K$ p$ h* M) a
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)$ ?6 J! Q7 v* N) V% R; w
if(trust-value > trade-trust-value): L% ~# `- ^) s" u7 D) w
[set trust-ok true]
# Q+ ?1 j$ D6 J Y# Y2 [% Qend! d7 O/ w6 N6 L" d
. l; |0 f2 |1 P. D+ `" b$ wto get-global-proportion" R8 v; b% {( C b
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: e( y# V! [: P% `. D/ G% a9 F: [[set global-proportion 0]
N; `3 [, m7 v) Q[let i 0
5 |, o6 g1 j5 H# flet sum-money 0% L/ e4 j/ y: E2 _. M
while[ i < people]$ {7 ?6 r$ o5 e' r
[
# y) ~" G `3 ?if( length (item i5 I! b& D! ~* o+ z) Z
[trade-record-all] of customer) > 3 ) ^: O8 X7 r5 F, B' }& O
[) y3 g& g0 t& r. Q* v% @: p+ {
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
4 S$ n: u1 N! R* q]2 O+ }! u# R7 W
]) o. F; j9 |$ w
let j 0
8 q J9 ?0 U- u0 clet note 0
! W6 a6 G6 Q! Z6 N* n6 b3 J+ bwhile[ j < people]
, R/ P# Q9 b* O0 A% _[
6 D- ?) Y' b o2 g! Uif( length (item i
4 F/ R4 \ }) j" V[trade-record-all] of customer) > 3 )( o- [. M2 M, t' e) a9 S9 D5 F' }
[5 {$ o- L5 H8 @- `) D6 R3 W
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)8 d$ N& B/ Y1 Z# V' m* R# d
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& O$ G2 h9 _) `9 e0 _, b: V
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
3 U" a9 M K& P) C! N. V2 f0 a& e: e]
8 J2 i) Q. K6 T]
* F; q# I6 F# @. d2 p2 |set global-proportion note
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end ?, h1 \+ Y2 D- D. `
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to do-trade+ \" X; e- b. S% O0 _
;;这个过程实际上是给双方作出评价的过程
; t( K% ^( C3 ]3 G# yset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
7 u! P1 Z( j3 Vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价# A4 x, |$ }" w* L, I0 m8 o1 n
set trade-record-current lput(timer) trade-record-current% S1 h3 O2 A5 B. E' V
;;评价时间
5 [9 W: e) U" b) Z5 r7 n% hask myself [
5 n+ j. p; x+ w; c2 Pupdate-local-reputation @: U- m2 L7 ~6 d
set trade-record-current lput([local-reputation] of myself) trade-record-current
" I$ t. K; E( I; Z]
. j6 x# q3 C& j) wset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself: d' `, K6 v( E# \. @9 i
;;将此次交易的记录加入到trade-record-one中+ e5 Q% C: e7 {- B' T
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)1 y0 [0 d+ d% H7 O" y
let note (item 2 trade-record-current )& p8 Z: X6 p9 W8 F- r
set trade-record-current; s# @3 Q0 a0 X: W& ~) t
(replace-item 2 trade-record-current (item 3 trade-record-current))
7 R9 x. _" c& f; F2 o j# i2 B* i( @set trade-record-current
4 |& Q2 s% e% `% G/ V(replace-item 3 trade-record-current note)
1 X4 F9 p% A( v/ _4 k0 u9 k8 V% V3 U6 h
M \' g7 a2 r+ V( l+ cask customer [
9 S$ I6 X* B; ~. T8 Jupdate-local-reputation
3 T) ^; O7 q2 a; C; A# u7 o' Rset trade-record-current
5 F+ q7 W9 k( W* [(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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# g) x- N/ L+ |3 f3 U. X* r
0 q$ D8 X& b- Fset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer! W0 E) M% e9 \6 ^1 K8 \3 v
: J& |7 x& l I! L* Mset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))! ~ f) G4 M" h! @9 _% r8 k! P
;;将此次交易的记录加入到customer的trade-record-all中
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2 o0 W( \% Z) M* U# f h/ o9 L2 G9 `( \% X1 A
to update-local-reputation
0 n- H! Y, l6 `; e' Z; o/ y' k! hset [trade-record-one-len] of myself length [trade-record-one] of myself- G7 s2 N3 J1 ?; u
6 N% x. v; D% y# H4 v( Z) }, Q4 _, l7 x. N! I
;;if [trade-record-one-len] of myself > 3
: w, M1 B1 k3 cupdate-neighbor-total* X. \( r- |0 j+ z+ u% p
;;更新邻居节点的数目,在此进行) r) x) O7 N+ F; S# {! v4 S
let i 3
9 t/ _5 T) L0 A7 `# Y5 Xlet sum-time 0
3 Q# k% K- O- q" F' Y( U) F% zwhile[i < [trade-record-one-len] of myself] R, S( G) Q5 x; B2 @" n7 P4 ~
[( i6 {& u) q2 H5 S' b
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )% c2 b: b# E9 g- A& i- w
set i
0 W3 N1 i1 ]0 ?1 K3 J# r( i + 1)
, B2 h2 j, W' Q8 E: K0 V]4 N/ s* B) a T& G2 P+ J7 x
let j 3& I9 z2 V& g9 M1 \7 _$ h: ]3 i
let sum-money 08 l- h* ? Y; ]
while[j < [trade-record-one-len] of myself]
; c' k0 W7 N# J# u% h[# _0 c) X' d6 |% d7 l7 p& [
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)- R1 \% Y0 e' _. T1 d( K; ?. T7 Y/ ~
set j
# M3 Y0 V0 r2 t, A& o6 m. r( j + 1)" |# x' C: J; d" W6 B+ n' C; V+ x
]
' U% N/ r" e1 Z$ e' K5 Rlet k 3; }, r$ D4 a9 y6 z* I, ^4 o( L
let power 0- ^5 D5 `7 Q0 {5 `: M% p! j; E: W! I
let local 08 ?6 ^. Z* c5 @' {3 r4 w' l
while [k <[trade-record-one-len] of myself]% l& q1 {8 h$ [0 `. T# d( O8 S. e
[( z Q9 J0 J" j9 j# J+ B' f
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)
x' }- V( V" P/ u! [set k (k + 1)
! i+ f! d# g, ?]
* m) N: Z. P% Z. l2 pset [local-reputation] of myself (local)
( A. z0 I5 ?, y8 d3 H- G8 x7 rend
6 c p, W2 m: C0 d% h6 ?& M* [4 V. a0 c& n2 `
to update-neighbor-total& p. B' v: Q! c# j
; l! x% k1 @1 O' _) Lif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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end
; Q+ }6 j; m; z8 F: w1 Y( }" P
+ m2 M: \8 h* |% {, |to update-credibility-ijl
& K2 Y7 k# h# K- T) r- k, d
+ X' I# R7 X6 H2 n( @1 V;;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。
! @3 C$ a: B4 k; ]. qlet l 0# z6 A/ a4 ^" ^. ^" G; R# _
while[ l < people ] u- |2 |4 Z6 F$ Q( P4 R& e7 x+ N
;;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
$ |" C% x- y. G! q, r+ y# A% A$ D[
8 a- S$ N1 H Alet trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 q- S% \7 U" i: K. G) C
if (trade-record-one-j-l-len > 3)
1 F! k2 f* j6 b5 R[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
9 y* i7 `6 ]) }; m& `let i 3
3 l5 @4 ?+ v3 Ilet sum-time 0$ C* X7 `- h3 i' {. v, [0 [
while[i < trade-record-one-len]
& K" H7 J# u! e5 l: E[& ^) ]& @" g4 @3 g0 G5 ^
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
9 n: v% a3 N! k! M7 n& Q8 Jset i% c$ }* |; q' p% t% Z
( i + 1)% A! [% O* k, a
]- \( |& ?+ B( x0 a) U6 G
let credibility-i-j-l 0
- x, c9 p) J6 n; x0 x;;i评价(j对jl的评价)6 ^/ w, Y9 s- a( A4 y
let j 3
3 @0 x$ }9 b" G8 alet k 4
$ i n! w7 Z: u3 Z3 k. B2 N4 ]while[j < trade-record-one-len]
. C6 K8 j; s" H& b1 N[
1 t( W4 L, Z% b4 E. Pwhile [((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# P. }- n: G7 D; o4 c7 S6 b
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)6 h" p V4 a: |6 }4 c
set j
; _! N% P5 f. \- ^! Z9 e( j + 1); Z3 U. Q3 }1 P5 y2 F. e5 T
]
2 N+ V! D5 a) K( v9 Kset [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 ))
, ?$ @& H# {2 b: q' W3 k% M6 f3 s
! n4 M6 a6 p! J5 r
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
' H3 Q/ n$ I' l% H6 m;;及时更新i对l的评价质量的评价
$ h" Z9 p- s( b6 {% F2 t* g" b) Zset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]" z9 _+ e/ R* Q
set l (l + 1)
8 I- j8 v7 [. I0 V( R. m]
( O6 L/ N, h, V+ g. J, m" Z8 O8 z, mend8 T+ p+ I, M, j, @- Q$ y4 p
7 u5 }+ |5 l0 w) L& ]7 u3 Yto update-credibility-list- l$ |7 j: h; Z7 N9 D/ T
let i 0
" ]6 d9 x8 K1 z( Q; p( \2 Hwhile[i < people]6 \8 |0 _8 Q9 ~, F4 o7 x
[3 K/ n9 o" t1 ]5 k- }2 q( N8 S
let j 05 q4 ~3 ~) c) i" ]
let note 07 W. r' q/ f+ z# p( a& H! B6 Q/ H
let k 00 U; j) E E) A" w; n- ~# p
;;计作出过评价的邻居节点的数目$ D) J, r" A& L
while[j < people]; w; y# X0 E3 f. f
[
9 d e+ U z# Uif (item j( [credibility] of turtle (i + 1)) != -1)/ {0 u. D5 o) N' o3 j* Q
;;判断是否给本turtle的评价质量做出过评价的节点
- s+ P- c6 ~% J V$ x7 n[set note (note + item j ([credibility]of turtle (i + 1)))- r0 f# q! w; w9 Y
;;*(exp (-(people - 2)))/(people - 2))]
8 p; u& C+ k: Pset k (k + 1)1 i5 c. T5 k( t$ K6 U
], Z! `' G0 X ~5 y" Z2 `$ q
set j (j + 1)
0 u- @3 X" l, w$ d. Y5 y" Z]4 { }2 [) G5 p/ ^
set note (note *(exp (- (1 / k)))/ k)% g( M$ E `1 B( s
set credibility-list (replace-item i credibility-list note)
' Q. e1 Q+ u! w, Z3 Dset i (i + 1)( t9 I; `; i- p" L, Z
]1 F1 ?, p2 H! p1 I! v
end: h( B" m; _* M
* C8 R5 m0 w* h5 y
to update-global-reputation-list
- U w9 d0 A# ]" i0 u+ Klet j 07 V) S$ a' g" ?5 {, Y7 W
while[j < people]
% f0 ?2 L- @9 ~+ B( f[: q: Y6 d' _3 d& K( {0 @2 v
let new 00 E# z2 E1 C* i' b/ F8 ^7 w) l
;;暂存新的一个全局声誉2 i, a6 |4 X% Q4 o4 @4 F
let i 04 u: ?# I/ r$ ?* E* h
let sum-money 0( \ C- C: m8 Q; K) U
let credibility-money 0
! i1 y T' Y4 t5 S# Gwhile [i < people]
6 M3 `( h' C d[5 ]1 H/ F$ ~1 a, T- d- e5 d
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))3 {" E0 C2 _- _8 u! \. @# Y
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)): ^5 g! S8 S! i5 K
set i (i + 1)0 o) ]3 n* D% _. k; b$ ]( p
]
6 L6 W8 R& {5 o# s5 K: n! U+ w2 v& rlet k 0. E4 b2 [/ x! I! E7 X# _, X5 Q
let new1 0
8 m4 G; Q; N$ K, |# |: lwhile [k < people]
/ Z s6 u/ d7 Q[
; p7 ^' C$ \( [* [, ?# I8 yset 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)) d f# p x7 ?7 i. J) Z2 O$ E& h
set k (k + 1)/ ? q) Z+ ~/ z. m$ K3 u+ h
]7 D9 B! k5 g( Q& t, z# i9 T
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
/ u2 D- O1 }3 Lset global-reputation-list (replace-item j global-reputation-list new)
% V8 e* j3 k! Y; qset j (j + 1) Y- I7 v3 L1 W/ X7 E* s$ V
]8 G q; c* O. u- D# O
end4 c3 j& g0 p! _8 q" R
" j1 ?8 T# @: E# B+ Y
J5 {9 v8 J1 y R6 h' R/ }
" b2 d$ u: g0 `( G) i5 l i; B9 Q
to get-color
+ u7 n/ n2 ~# z1 X! F7 c8 A# Z3 ^* b+ Q* c& l9 M5 e; i$ U7 Z
set color blue/ Y' W m2 r7 N
end7 p# [* F9 @) a: S, U' q
6 {) x5 }+ l C# I% b+ y
to poll-class
% L _! Y9 N; Uend8 g3 z$ W6 m3 x, F4 `4 ?9 p
2 J, A* o U9 L& S9 V/ M' p1 E
to setup-plot13 J* S: I/ k: W5 }% e7 s5 t
6 k! @6 v9 F1 q# T9 ~5 oset-current-plot "Trends-of-Local-reputation"/ C. ?0 ^7 d( I/ \# J$ Z
$ T+ w% _+ H8 i/ A1 |set-plot-x-range 0 xmax
" x' G7 F# l1 F+ c7 ^2 W8 P- b! D' i, A1 s R. M
set-plot-y-range 0.0 ymax5 n- [, H3 I. P$ n3 C$ P
end
; h U2 a a- f: A
|2 V/ N3 c! X3 O: Zto setup-plot2
0 l3 }; n. |0 g7 \: X/ o0 g7 L6 k* z) \5 J9 s& g9 }$ ?
set-current-plot "Trends-of-global-reputation"
1 S/ |9 U; B+ R: M$ t( o% }: A0 j0 Q! r4 W+ B# `6 T! s; I d
set-plot-x-range 0 xmax' O+ R0 A# q% w: p% k
" }/ z3 w. i- W+ y. jset-plot-y-range 0.0 ymax! J! s/ C7 }! x3 ?8 v) a
end" u" ?' g3 l: H/ i* g
2 n- c/ H9 d3 a' ~# x2 [
to setup-plot3+ h( Y9 b9 N5 g: N# l6 l
4 T+ l2 d) _, Q7 p6 p; y
set-current-plot "Trends-of-credibility"
8 V" e/ v' ?) Z
: \$ x- n% m7 U1 i aset-plot-x-range 0 xmax$ }- u0 b5 b2 C* E! n5 C5 j
+ J* l6 B6 @7 p; s7 [. _' d
set-plot-y-range 0.0 ymax n+ a" K0 a# n8 x( J. K
end) l$ Y3 a; ?. R! Z% @' c2 ?
& P9 Z/ e* i1 J% F L. I# rto do-plots
( O1 b8 y O2 k9 bset-current-plot "Trends-of-Local-reputation"/ S! k3 {: f3 ]- M/ O& W
set-current-plot-pen "Honest service"
8 u. m. ~! k, o" [end7 g6 t. G& l2 N( A5 b
! S0 v& m3 F* _[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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