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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8 O/ i' w, g6 O$ l5 ]
globals[
5 A& v+ n$ Z9 i T" ]3 y# p; xxmax
5 _ b4 _1 Y- M2 T' Y' t+ S, z+ symax
* Y# l, [9 n6 k+ t0 Xglobal-reputation-list
' ^5 r2 ^, ~6 [
3 I4 N9 G- i2 ^' r! R0 d;;每一个turtle的全局声誉都存在此LIST中
( }9 ^/ I+ d- ]7 c8 e5 [4 K* }0 Mcredibility-list! q% y" F$ A' n4 F
;;每一个turtle的评价可信度
6 X) H1 k* V6 e+ O, p; whonest-service! ?) U/ p! Q7 a5 V! F. z9 i
unhonest-service
) y9 p$ ?% C) ?! C. ]2 C/ x2 G! _* boscillation. @5 T: }! F+ I2 M. V
rand-dynamic
% J& r* G) S( ^3 Q2 I/ b) h]
3 b+ u2 O- | z5 i' @- E2 E& w+ z8 w( t( r. G- F3 d( a, ~/ H
turtles-own[
l% |* K x( B7 C* z& i$ Z0 strade-record-all
2 Z1 u" @. \* w& J$ w. y5 v;;a list of lists,由trade-record-one组成7 \% L s0 ~& }/ v# w8 u
trade-record-one
& _2 K8 ]0 w* _: D F- c;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
) k! ]( V" e" k& u( N1 b7 o. G- v6 |
;;[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]]
& G# g2 m8 }; X7 F6 \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]& V* C9 I# T* t% T; o6 e9 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
- O, B, P# x& xneighbor-total
- h! Q- J% l$ ]% {1 V5 m;;记录该turtle的邻居节点的数目$ i2 h) F+ B2 K
trade-time- t; l3 l4 X9 N; I* M! S( z( {: ^" i
;;当前发生交易的turtle的交易时间
2 l! t6 D' j( Bappraise-give
! G5 s2 K9 _2 r0 g;;当前发生交易时给出的评价
- E* ?' M) S/ C7 gappraise-receive
/ C. Q N2 }' l+ c;;当前发生交易时收到的评价1 W' R; s& I' I6 a/ v+ o, N+ D0 A
appraise-time/ N9 Q- j) G1 k! _1 g5 g
;;当前发生交易时的评价时间
( {& s& E" j: t! i" Alocal-reputation-now;;此次交易后相对于对方turtle的局部声誉/ z8 W8 N1 E, m1 I2 J7 y' Q
trade-times-total
0 z( `$ m( H' @) s7 Y;;与当前turtle的交易总次数
3 D- S6 p. \$ w9 O. J$ ltrade-money-total
) U& k, [) J0 k;;与当前turtle的交易总金额
" z U w# t$ f3 L( Qlocal-reputation- o" l& L. Z$ q6 g! g3 e
global-reputation5 N# `; y! N. ]# H4 D
credibility
0 [- f! Y! m5 F; j t) n: z+ |1 _% [;;评价可信度,每次交易后都需要更新; s: G" P1 A7 Z& u0 s0 t
credibility-all0 h7 o: O" K0 @- O o- I
;;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
. i$ T' c* A! t/ z, t+ N+ w8 O: T& Q6 d: q; e4 M& ^* C$ m8 k& e. a
;;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
+ X4 a4 `% O) Lcredibility-one
1 Y' ` J/ J' J/ i9 _1 S;;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
% A; e. g4 C( e0 e, mglobal-proportion
8 r' @( i3 B1 K$ b. b. I( ?customer
, m4 I4 k" g$ N$ P, Vcustomer-no) K% K/ a3 m$ i3 q
trust-ok
8 ^9 i1 ~( a; P5 e' g$ D1 _3 Gtrade-record-one-len;;trade-record-one的长度
& Q Q% ^. @7 C$ [: @, h]8 J; A" i* I) F' q2 Z4 H* j$ l
' }0 s) i' I3 W" X9 H1 K! _1 n/ w
;;setup procedure
6 B/ B) x& @; U4 S
. \( T* j8 U' \to setup
4 q& I! f- r( G `, c2 _
2 ?, E# `' A3 @ |ca
5 `/ r4 ~6 b3 {6 g: @- V) \( s4 `$ W! x/ ~0 g
initialize-settings) \7 ~- U6 _) W7 T/ `6 J
a5 l6 n; p$ a) G* X
crt people [setup-turtles]) `: J; M! r7 m; J% o$ P4 f
4 t3 O/ \" u# t5 N$ z
reset-timer) S6 i1 ^3 \+ `$ i
; q, ?' K n$ m ^% W7 v* zpoll-class
, o# } Y% Q6 B# ?" W+ v) Z J- s* D3 [3 e/ ^6 A* k4 }+ H
setup-plots
2 R- g, ~) r) ?0 }6 U1 m$ P3 j2 b* t
! q: }4 f% ^( vdo-plots
+ n' t" S+ \ \3 r* P4 bend
. T' D$ v* a4 `; n+ g4 Q4 n& R4 S8 R* q2 T' l! b# D
to initialize-settings' a$ S; x5 t" v
$ |0 J) C; R$ Z* h* a# r* o& ]
set global-reputation-list []. E5 @& x$ ^. E* K- P3 `
$ F. ~% \! R' m3 O. }set credibility-list n-values people [0.5]& M* X8 J- ^ j: a$ H4 K8 Z1 T" r
3 E Q# F# M5 [7 r
set honest-service 0
+ ^' B; @- Q# ?1 P: U/ l$ i
( Q" q8 p0 P1 e; F. U1 k; |set unhonest-service 0 @- ?( P" e/ D* u2 l
2 K# Y p6 D1 ^1 Bset oscillation 0
* U" b( H" r- ?$ |7 B! _5 G. G, R! H# e7 {7 n" @" V4 s3 D
set rand-dynamic 0# Z# K; L8 _: J* l9 I
end7 k* A' R/ j9 v( V1 j% `
* C1 W2 `9 o6 a' h/ Ato setup-turtles 5 N! t% X% U( K( @
set shape "person"3 V! U$ x4 N2 ]) F$ U x `" u* ~
setxy random-xcor random-ycor- |, v+ U5 x6 Y `& m
set trade-record-one []& X4 |6 t* I! k& v+ a5 S1 `
- `) z' E5 M( |
set trade-record-all n-values people [(list (? + 1) 0 0)]
. R7 u( P# W8 B1 A, Z( D$ E5 m A3 V8 N! f* Y; U0 T7 v" ]: N) A, @
set trade-record-current [], G$ Z9 ~4 p" ^$ s6 s
set credibility-receive []4 j0 a7 } J: j4 ~) `
set local-reputation 0.52 O. ^- ~) A7 @) d
set neighbor-total 0
. d @5 A, B: b' Y: Gset trade-times-total 0
2 [( f& N! E; V2 X# z3 mset trade-money-total 02 @* p8 Z& r: C4 j+ g3 R: s
set customer nobody+ `7 Y) W! i' o* R9 k
set credibility-all n-values people [creat-credibility]
6 { |, D) b3 O! l% pset credibility n-values people [-1]
6 U1 N" _$ m5 y9 P ~get-color+ s& L. t1 h2 D/ Y6 T
, A9 N* \7 O! vend0 m4 h1 ]6 a. E' W7 n9 P
: Z" R6 H& g, X+ P, \& N# J1 n& f7 d
to-report creat-credibility
9 q2 k X5 A1 t' d+ Treport n-values people [0.5]- P- L5 ]0 t# j) Q
end. O7 V5 }; M w% y0 F. v. c7 o$ d
* {+ P7 i; w3 M) ?
to setup-plots
& h/ p+ f4 C0 ]- b3 o1 ^% M7 l# _# n) s+ V% |2 C
set xmax 30
& q; {) w, }+ ^9 _3 Y' ^
$ e6 z: p$ P+ L+ k# rset ymax 1.0
/ S, |# c% z8 R7 ?% J/ R8 K* G. ?& j* P
clear-all-plots
1 a/ T' ?% x; \2 ?7 O7 `# c* ^) Q" c2 T: T: a$ Y2 X
setup-plot1, P8 Z% U9 O* u9 N# v# A
% z6 R; |; E; h: Y
setup-plot24 e. T7 }# E" a( X2 K; C
5 w$ @* j) {" h8 l; \setup-plot3 \9 R7 Y$ M- L, O/ j
end7 p! l8 N0 L& M6 Z3 i7 E
, Z. a5 B6 e6 k;;run time procedures
; [1 E2 Z' z8 U! e3 W1 S* k. M9 j* u7 T3 V# }4 G4 r" F
to go
% g; A7 O1 z# f+ d
# ?; Q+ F# u' p" _1 Kask turtles [do-business]- c( L+ q$ q$ J$ {9 y$ s
end/ g8 @0 A. D4 ^$ d0 q0 U/ l; e
8 n6 o, ?1 S( P# o0 S4 e7 G- H
to do-business
8 `' y! T7 R" n! Y- |0 m
+ N: y) P( J2 D m4 y' J m5 M2 ]* h
4 c3 q" V; o6 y) B" `rt random 360
* q7 I8 r$ u2 u. v; G; d2 V, v4 Y$ e5 j; t1 G7 [) M: x
fd 1. D5 S0 l3 l& v
1 Y9 ?$ u) |0 c, W$ qifelse(other turtles-here != nobody)[
/ f& z7 R" t3 j: e
, K% O2 J. U/ K# O5 S; fset customer one-of other turtles-here
% L, t1 T- T% x) z2 B. @. l7 s
; L! s/ f" e+ C; C9 l;; set [customer] of customer myself; i+ f7 X3 r) Y
( c9 w8 P. m6 b/ C7 A
set [trade-record-one] of self item (([who] of customer) - 1)6 r; ]* s) f- R+ `$ d. b) b- x
[trade-record-all]of self
. \& C) F1 H* y# y S, L% K;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
- y+ F$ T' a9 X& I5 M) ?# A' `3 y0 F0 w# a
set [trade-record-one] of customer item (([who] of self) - 1)4 r, c0 W. X* v- b3 H' B+ o
[trade-record-all]of customer! A1 T# h. I, l' `" o' K
* E% Z! K" }. H( u2 a; S" o, sset [trade-record-one-len] of self length [trade-record-one] of self& w! R) q% G1 `6 `
, y! V! z$ U# y5 ^* H; Lset trade-record-current( list (timer) (random money-upper-limit))+ ^3 L# F, H- K( c; d
' @' O' f% x4 M- S* c$ ]ask self [do-trust], x8 y2 A/ S6 l. r2 \8 W
;;先求i对j的信任度
2 ]0 I1 X8 s( `1 z. X/ ?- A
# j8 r8 c! d1 m* W( X, wif ([trust-ok] of self)
1 z4 \9 T( G) L2 O% G$ q# b;;根据i对j的信任度来决定是否与j进行交易[ X# [/ c( r: Y1 c) v5 M
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
/ \/ P+ L' ]! n- [" q0 `) n5 `/ v, {* r! D! c7 w. ~" w7 C3 U
[9 P/ c, G3 m* s" a5 H' w% t9 y2 o
1 E" x% |! S" m( hdo-trade
- H8 a* e* B4 V0 a c- ?3 m; ~4 O' f6 S! S$ y- E* r' A7 L
update-credibility-ijl0 ^0 T: B8 C2 i" G5 ~
3 u# F3 W! {# [3 k+ Jupdate-credibility-list! {) m: u: M) n6 }1 [! ?- X& p
2 b, [ O7 q& W
( V( n$ f7 I( B1 _* M3 Q
update-global-reputation-list
6 U' n& {. H2 X0 u/ M/ T* A( K, Y' A
+ Q: x# i; E, \0 c9 N h# ^poll-class) u8 z" t4 }- f& v6 k
: y6 j4 F3 j+ R( Gget-color
! Z* l; O4 T/ E& s" l1 u$ B+ o. I+ q& o4 u/ a* c: U& d
]]
. N8 ]- Y v# z ~5 ]! w! K+ S9 o2 E [
;;如果所得的信任度满足条件,则进行交易1 S! d" r8 n0 R
i8 I+ ^8 g$ U( P
[, C! D2 i# {+ s( U
8 v8 e* \: [. p7 w8 r' n
rt random 360, J1 J& X2 H) {' q) _: X" K* c8 p
) o/ e9 g3 p1 S( _9 C. G B5 ffd 1- B& K% t4 h' B$ k Z
& g- F( d% Z4 J8 k4 Q; A+ B% ^
]
% ^2 C* k$ t1 R9 Q2 b" M2 x" P8 p- g( x8 t2 j1 y% ?* O3 V3 J9 j
end9 w* ^" s: I4 y
/ ^ A( q! Q' j r1 u- I
to do-trust 4 i# ?" o0 R: g( }& Q* K
set trust-ok False
- Q0 `3 v( I1 P# O) J% |! w4 i- S$ o
) T* y6 ?" k3 f. ilet max-trade-times 0
8 K- O! F3 f, C1 Q2 w2 [; y: ^5 j% vforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
, a/ y" }% a# X3 p4 Dlet max-trade-money 0: l! [) Q$ G' D& g
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
5 N+ Q4 C8 |. \+ flet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))6 L" o8 y! q: T; B+ j+ _8 Z" u- O
6 h) f5 a9 Q& C
( g" `. w9 `+ o, o% n
get-global-proportion+ x$ @* J4 Q+ z7 {/ u6 d
let trust-value7 l8 Q, c) E S% w6 i9 |
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)
8 m; o, N) z4 P5 ^* Vif(trust-value > trade-trust-value)
/ k6 C' _# f! R ~4 r2 b[set trust-ok true]# s( t) o# ]3 p4 K
end
5 R$ d# c8 c H7 y4 o* }: x8 ^% s9 w$ O" o
$ e# L4 v; g5 jto get-global-proportion4 D6 h- E( y$ s* Z) G7 F
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
, X( v0 b: }" F1 L/ t' {[set global-proportion 0]/ q1 V3 v) l6 T2 X/ {
[let i 0
" W- e0 L/ T( W2 Plet sum-money 0
6 S+ K1 g; H7 J8 ^& Fwhile[ i < people] P2 q5 T/ L3 P
[0 Z9 K% e8 w R
if( length (item i
D" z1 D/ `5 }% M4 s: V[trade-record-all] of customer) > 3 )
1 \% H B6 I2 @& I[- T5 L% w* v8 x* t0 R7 E
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))7 k: L1 H% j% P; P, Y1 H
]
8 |2 G: O9 M M/ h3 `6 L]2 Y% }, c8 c# ^- E# p" A3 Q4 s
let j 0
/ y/ Y/ ]. E. ?. V2 Q* _6 K6 dlet note 0+ e6 S7 i: B9 X$ o* b a: g/ f
while[ j < people]
: U/ ?9 p$ B' r[
# ]8 J: I! B* rif( length (item i a) q* {& e W& ]% F, y
[trade-record-all] of customer) > 3 )3 y" Y- r) U) k8 L; c- z/ R
[
" b0 n! y' O- v" zifelse(item ([who]of myself - 1) [credibility] of turtle j != -1); B5 `5 @ j, Y, f
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]. G) k# E3 X' k' E9 _
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]3 ?1 K. ~0 s- w+ z( Z9 {7 W
]' E" o$ }" Y6 U+ @- O8 e* @/ H) @
]
0 ?! Q' [+ w! o# Sset global-proportion note: W8 z# c9 ~7 a" \# \" P4 n
]) [* |3 \5 t8 {# Y
end) G S' ]6 s7 Z8 U: p7 ~% v$ S4 a
* z3 j* N5 J3 H v. `. m H9 bto do-trade) a0 x l6 Y9 I- N. o i4 q) V
;;这个过程实际上是给双方作出评价的过程
: Z: G* ~8 e6 c, P t; Jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
& H' m# d. H% uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价8 i5 _4 \0 j2 P7 l
set trade-record-current lput(timer) trade-record-current5 ]7 d0 \$ G5 n* [+ p6 G4 g/ s
;;评价时间
]- W. l) d, W( Task myself [
: A0 G0 a( E! z" C% W6 pupdate-local-reputation
* |4 m: N' e( xset trade-record-current lput([local-reputation] of myself) trade-record-current; u! w0 q1 V. K7 [ F# L- G
]
; q6 W# ~9 ^2 g+ Zset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
6 T9 @- |( y2 V$ O;;将此次交易的记录加入到trade-record-one中8 y: d5 S# f" _
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
% f" K( L, Q+ blet note (item 2 trade-record-current )- P8 ]$ l o& `2 E
set trade-record-current; A# [% f: o" l( a8 v0 g6 D# M% |
(replace-item 2 trade-record-current (item 3 trade-record-current))1 w& F- I9 w# k4 N! W
set trade-record-current
1 M: r3 p7 }& l7 N+ Q(replace-item 3 trade-record-current note)
7 ~9 a9 K4 f; K( a. R7 ^; [& Y! S
9 h9 j: ^. S, S) E3 b; }0 t. s; Y
ask customer [
% C7 X* P/ M" {; x3 e: S: ]& uupdate-local-reputation
- I, ^2 {$ C+ Nset trade-record-current
" `. Z: n0 D+ D1 X3 O(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
1 k+ w- X1 n8 l) [$ q1 ?]4 B# z9 B1 ~4 p, m( f+ i- R
+ `; R* \) f3 }2 I, U& L& \. j8 \
0 [8 R) v! L) ]& {- q0 mset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer9 g4 I+ s6 t8 x$ _5 q* A
' M, E1 M% i( Y+ S3 L" X. X+ m8 }
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
! T. T; i& a8 w: z8 m;;将此次交易的记录加入到customer的trade-record-all中
( p! P& o$ p- \8 U) _end
, T* S, d& r$ w4 s6 }# y
S( E, a9 ]2 G- K$ j. V o( Uto update-local-reputation/ e% V/ v0 e' y6 D+ }
set [trade-record-one-len] of myself length [trade-record-one] of myself
7 }6 {2 e- ^% A! ]1 Y+ q% I$ f/ ^5 H- b/ M: `! q
' c) @8 `5 x3 g5 e0 r" w6 G2 [
;;if [trade-record-one-len] of myself > 3
, C6 L0 S0 Y" Fupdate-neighbor-total
: D: x4 ~9 L# G;;更新邻居节点的数目,在此进行
# }! o( L- S+ }3 j* k/ P( b8 A Olet i 3% n$ I6 j8 c* L6 i- p; g" I7 U
let sum-time 0
; O$ j: K7 {$ B1 ?% T5 \7 vwhile[i < [trade-record-one-len] of myself]& | i" K E6 b. D: C' q7 P% T
[
- x$ b3 i5 B5 F! kset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
- }* ?7 j% ?& K6 m( E! \set i
' p0 h% b$ b7 `( i + 1)# V/ v0 R$ O2 m8 ^4 H1 T' w
]9 x; @0 p- h. h6 r9 w7 N3 }
let j 3; ~% S: Q' H. Y9 I" a5 `- p
let sum-money 0
7 T% Y% E0 J) S3 Cwhile[j < [trade-record-one-len] of myself]6 H: M* E8 t, l7 H0 G: u
[- d' G. _8 {+ A! Q- p9 d4 @& X, t( g
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 V" B, |1 T7 L
set j; A( {, I# ?% b/ w c( W @
( j + 1)
( w9 Y! I9 d P3 a) b]
" [, Z% k" q* H2 Ilet k 3
+ f, m/ y% g. @' O7 `& flet power 0( D. {* ~4 p# y' b
let local 0$ D6 T4 P1 R. s0 |/ r) f
while [k <[trade-record-one-len] of myself]+ P: c% H6 K% i" @# r. B$ z6 M+ U" t
[
, B' h1 o/ v* j8 [5 X; _9 Aset 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)
7 z0 c9 [8 f# @9 l' w5 ], Oset k (k + 1)0 G0 t; s: Y- c# L4 w9 ~
]& T) M8 L7 l; n0 {1 H7 u
set [local-reputation] of myself (local)
& l9 T! K7 ~4 m# H0 Cend
1 \! }: p6 D. v- c$ H$ E
" n* Q% O: n1 G) K: Y/ Mto update-neighbor-total
9 b% V% L6 u) s) w; h6 t: j2 k& D, Z/ H' X# ]1 m, \' v1 H h$ ~
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]8 l' s+ A% Z1 W; Y z6 Z( W
: @5 j7 V) ?2 h+ E. L R% r3 t% Q S
end5 e; A8 s" M, L' ~( q4 ^' `
$ z$ G7 o' y$ D" s! Jto update-credibility-ijl 9 m) D; ?7 Z6 O+ r7 [) [, y
( l# y$ U8 }) \* c$ Z. };;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。
4 ?6 [* ]" ^! i9 y- blet l 0; G+ ]/ {9 }" }1 o8 b+ x) R! x
while[ l < people ]1 k2 C' p' _5 }- I" `0 e# o
;;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* K# X6 V: G& R
[
, s7 a; T) h9 Slet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
: ^! y8 Y) t) \) U4 n% |" Tif (trade-record-one-j-l-len > 3)
c+ R5 [3 T& f- Z# D% 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
2 ]4 [) m/ D. d" v) p. Llet i 3
' q, I+ p: s/ z- P! G+ Vlet sum-time 0
; s- [3 j: v+ P( V- cwhile[i < trade-record-one-len]
! X9 G, C) k' E, ~( h# e[
1 p/ s6 \$ n8 t5 Z6 ^set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )8 Y1 [$ i* b+ a) s( L
set i8 l$ k- q( ?6 p' X
( i + 1)
# o0 F% g* _0 a7 C8 {]8 q9 x+ n6 t2 Q( x8 D( r0 N
let credibility-i-j-l 07 C |9 p; W: O6 ]8 P% g
;;i评价(j对jl的评价)
+ G, N8 n, d% M0 `* Z ~let j 32 h7 l, z# j- C3 l
let k 4" }; x/ l2 ^; y. F! S8 B! R: D3 B
while[j < trade-record-one-len]
+ {6 Q4 s! Y, T/ x[
& @) i/ @3 G0 w$ ?; `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
& F/ ~1 w2 v0 |% u3 a% uset 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 U4 y L" i. a" t. v4 }; J
set j9 t2 C4 g8 }+ Q9 p" C9 b8 ^- Y
( j + 1)
# O7 f+ T2 D- m]. q% d. e& j" C( S. d
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 ))6 H1 L$ @2 t, u$ c/ T
2 p6 Z8 l6 r! B2 }# a0 U1 A
3 R7 }5 C. Z- `5 ^4 r. K2 _ v' Tlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
3 q) p) i9 J8 o;;及时更新i对l的评价质量的评价
1 Z) M! d/ t+ }* v& Eset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
# O8 u. v% J* m! i% Rset l (l + 1)+ r8 r* m4 b4 v9 C0 s% p I7 j
]# ^. g. b O/ M& [
end1 ~+ k7 C/ ^8 Y
' k& e: d# w4 u( i* Hto update-credibility-list
/ t1 ^" g$ ~: [1 `; L3 elet i 0
t( R5 B0 ]0 A# S! Wwhile[i < people], r8 b1 c* }9 J, n' O
[
% H5 m. k6 B8 e9 r$ Xlet j 0
5 t( t( C0 Y: V" u$ t0 [9 I9 K0 o' {let note 09 Q) A F$ T5 V
let k 0& c/ b' K# L. s' ~/ c# k
;;计作出过评价的邻居节点的数目8 E5 M1 F+ K' |: h* M# ?
while[j < people]! p. e9 n9 w- _: U4 g: Q8 t8 A
[
7 Y1 o! K8 g4 P% Z Oif (item j( [credibility] of turtle (i + 1)) != -1)
2 B3 e) Q( |; i% i/ H;;判断是否给本turtle的评价质量做出过评价的节点8 _5 x, m K% e9 j
[set note (note + item j ([credibility]of turtle (i + 1)))* v! o2 I$ ?8 t; b: R
;;*(exp (-(people - 2)))/(people - 2))]+ M! s$ y3 @' y, z- N
set k (k + 1); Y9 v) | y: V4 `) m
]
2 c" ]. i# _% X" q4 cset j (j + 1)' }/ K- V5 ^& l5 w
]
4 \9 v! q2 r1 j9 T% t+ ~set note (note *(exp (- (1 / k)))/ k)# t/ R5 j/ a3 C% t! ~1 I9 ^
set credibility-list (replace-item i credibility-list note)
) X' Y' ^* o* Aset i (i + 1)+ b9 R# i! `# `( i
]
6 l" V' X& G7 l& D3 Hend' Q( X, u0 a# y" c6 F# F
2 r4 @, v2 g. l/ j) C( r
to update-global-reputation-list2 f, U% u0 e: M* o" o
let j 0) K7 L$ M( G& `7 ]9 ~; @. h+ M2 s
while[j < people]
$ i6 g: N- `( u; K" @[
9 e1 e6 B5 X7 ?" _7 d# Olet new 0; t. R) I+ o/ r8 I" J; f- e' M0 p2 I
;;暂存新的一个全局声誉
3 K# Q* q) F c, }+ ulet i 06 Y0 f# Z* M6 c+ ~- m" v4 K
let sum-money 0
+ B4 R/ z; t7 f2 jlet credibility-money 0
5 ?, z$ M8 A8 m# u) O4 _while [i < people]) [- ~8 r4 b- H/ A t
[
7 U' i, p) G; i2 C& |- W: Rset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
' |7 P( i0 j' M1 H& s: Eset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
9 U7 @. ~2 ~/ b, M" [2 C: Mset i (i + 1)8 l9 \6 j. ?3 D3 D' s: f/ F
]! f; w/ x9 j0 K5 A! W9 p6 }' B% B( M
let k 0
& z' ]* d* h7 h0 m1 y5 klet new1 04 A! ?% K7 Z6 w+ H
while [k < people]0 v( _* T! ~% e5 [
[+ t) J& _9 ], h4 l
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)
% q; x8 ?4 N/ X7 o( i1 Z2 |set k (k + 1); W& T( F! v4 U& {4 H
] A2 S2 G6 k1 j' p( b* i( E7 h
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
3 v5 ~7 j9 H- P- q; ^' zset global-reputation-list (replace-item j global-reputation-list new)( {" v1 d9 T" k6 j8 |" a6 Y6 K3 l, Y
set j (j + 1)
* h5 ^& O. C, Y# Z% f. ^], `2 t# _- l M. [8 s, k0 S
end3 \) F* d; ^4 v4 U
3 r/ o) Q. d+ F {6 P3 K
! r# p7 u0 M- i
8 L+ E" P! |% U5 @. ito get-color
+ g- N# o) ]3 N7 ?# [+ c1 \+ Q5 ^! x- s$ H, `" B a9 c
set color blue
" b& j* {% |6 i! qend
) C% W% t, n6 d) j" J+ y
! L$ f) k+ V0 m. y9 {( k A/ g- Hto poll-class; f+ B1 ]" y- F
end6 l' R! I- d4 k: P6 k# T
/ W4 W1 e. k l& [to setup-plot1
& O3 h: \. f8 p+ T7 Q' T+ r! C
+ G3 l1 \5 {0 J: Tset-current-plot "Trends-of-Local-reputation"
. w8 S& l2 p$ V& ]( A% u1 t- E
& D' Z( x' v8 V, sset-plot-x-range 0 xmax6 s7 z6 A( Q: g g4 U
9 c9 _/ y4 \+ o# i
set-plot-y-range 0.0 ymax
( O6 S5 o; m7 w7 `, B+ oend V7 {, O& I( a/ V4 z7 F
r3 M3 w7 p( @ eto setup-plot2; _" ?. O% \* s/ ^* q$ h7 T
6 e, e" p' Y2 r; uset-current-plot "Trends-of-global-reputation"
X* J1 z9 Z( n I* x+ F. H& m$ w. D! k- k
set-plot-x-range 0 xmax# W; c7 b2 y/ H; t! ^
5 e4 T. C& P0 }- C. i
set-plot-y-range 0.0 ymax5 d9 B* F& _- e! ~
end
# S* E# Q) Q8 O, c" P
3 x' E3 c/ ?* P6 v# {0 P5 Wto setup-plot3
" S( r- R3 Q4 D( J' G
/ o. U) E# ?& S4 d* \& y" Eset-current-plot "Trends-of-credibility"; }' b# J6 k2 x- Z: _
( p& L1 q0 j! I' a+ Qset-plot-x-range 0 xmax
$ b" i, _; l) {, b4 W( Z( ~5 X
- O7 l, y9 n y# k8 w2 Q5 |4 K9 wset-plot-y-range 0.0 ymax
$ F. ^) D( {( wend
1 I* f: m k- g4 F
8 i! F. V% _; T) O" k3 p Mto do-plots
/ `# v3 r0 ]/ f. W" Y: ?. Qset-current-plot "Trends-of-Local-reputation"3 W" m* l; c/ L9 f
set-current-plot-pen "Honest service"
) l; X, o* w- M3 _ S/ d y5 S, ^9 send
7 @9 z1 H2 F% T, y0 p$ T& w5 m7 W0 d1 ~; V
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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