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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
' c8 p+ `! U# d9 E bglobals[
4 u# ]; H9 w9 y% C& B9 Vxmax+ l( _4 q A) @* V
ymax: D2 t0 R% Z9 H% q& y/ n9 {
global-reputation-list
! {. x8 |, N7 t9 I- u0 O( Z" I7 b3 t1 o
;;每一个turtle的全局声誉都存在此LIST中7 D# \$ H$ W( g% R& U$ d& w; R
credibility-list! B+ z0 c$ j4 X4 n8 h, O- q5 |
;;每一个turtle的评价可信度
9 [6 v0 ^0 b; Rhonest-service
& t6 }6 Z( c* L# Vunhonest-service
! J0 K8 i7 @+ R* F# y' x1 A& ^oscillation
; B& ~' L$ S' p c5 k) R1 D- hrand-dynamic
% O' w8 B: }) E$ g f/ D& J" _; }]
5 e4 T. a" l- P; s" \; ?$ i1 z2 Y! @/ H: `1 n$ ` F
turtles-own[
6 S" m0 s' x4 w" h$ a/ |trade-record-all
- }4 f1 y4 V' {0 h& W0 c;;a list of lists,由trade-record-one组成: t. E# y+ L/ Z' [* c9 l, v
trade-record-one
: p' R8 m q3 @;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录 r1 \3 r' L. i; {) [* Z; Z
) G* V& u! t9 H9 f t
;;[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]]
# A. g3 \7 U1 V V& Y. S9 otrade-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]
" C$ p# [# P ]* ^# P% c0 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! i1 U7 y/ F1 P" ^1 P
neighbor-total. P9 X4 X" |; z7 V3 g" W
;;记录该turtle的邻居节点的数目
1 j' Y) |9 ?3 S& u! s+ Ztrade-time
$ i9 h" Z# z1 G0 ]/ g;;当前发生交易的turtle的交易时间
! U; @3 }8 y7 N- Y4 t6 m# Lappraise-give3 S& l+ ?6 {% k7 s' T x
;;当前发生交易时给出的评价
/ O: m1 w4 h% U' z8 `+ R: gappraise-receive
; N, B+ g5 K6 ` u E;;当前发生交易时收到的评价
8 S1 A8 h6 A' Y: Y, V! N1 Y' aappraise-time
0 `! b6 K% L: U. \+ q2 {;;当前发生交易时的评价时间+ \2 C' D$ K8 s$ n& R2 O
local-reputation-now;;此次交易后相对于对方turtle的局部声誉: B( `3 Y' @! c( g$ F
trade-times-total
) U, y3 T) I' M7 Y% m0 v8 F7 Q;;与当前turtle的交易总次数
% U/ q% O0 W/ h7 f0 xtrade-money-total
/ t1 w$ s) Q3 q8 F" o: d/ y0 s;;与当前turtle的交易总金额
9 X, O( ~! C6 ]- T& R; k) v) ]( ilocal-reputation
7 X1 \( h. A2 m- @global-reputation: ^6 w8 u1 Q" T( o D5 A) X+ ]- C
credibility+ c8 l. i4 m/ t: N9 g; R: u
;;评价可信度,每次交易后都需要更新: f/ D) ] }; |3 p
credibility-all2 g' W4 o: x( q! a
;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据
# M s m, K! X
- E: c; u: N( O" ]9 u3 J5 E2 s;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.58 }2 u- ?" ]! w
credibility-one
4 \$ w& ~# t8 d, A' ];;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
; M0 \ V& b$ h) u# s9 `' z0 I0 pglobal-proportion
! O2 w6 f3 y( Q! j) x+ Zcustomer, V7 q/ ~: ~& o* t4 A+ U6 G2 D
customer-no
, y- `4 u$ G" d$ Gtrust-ok
. N& I% a5 |3 x- |trade-record-one-len;;trade-record-one的长度$ ~) f* c( U K' i* l; |
]
- K% [5 [* J+ }2 L A7 g) } k, R9 k2 T: i1 a! d2 V
;;setup procedure
0 R- C0 Z4 [; ~/ `4 h1 i# h
& y$ j1 C" d6 A2 y( Pto setup
B6 a' T- F8 i
5 ~: a; z6 J: U" r* _/ D* v8 fca; O ~; \; |% q/ F9 r' d$ p
2 H8 z$ ] j8 Y/ h6 @- Y* ?/ @. w% Hinitialize-settings* ~" U: I; u; K9 g$ j }1 b
; t8 W! E: Z- Z3 J) o d. tcrt people [setup-turtles]$ m+ @0 f' W( n1 T: k0 p `) V3 d
0 V; y6 x+ N7 o) J
reset-timer- p `4 j4 x) k! O8 L! v
5 N1 V1 L( p& ~7 D" P( E7 ?
poll-class
3 B$ ^" ~0 u+ D `/ W! N* N" a6 H d* r* G5 q7 ~6 m$ F
setup-plots
. w9 V( k. a# \0 J; f& X# }) P8 s+ p- R+ u6 w: ^" C
do-plots, S7 i2 G2 g9 l8 c
end
) g! x- ]3 N9 d" b6 [9 h/ ?% e! w5 g1 g. w) F
to initialize-settings
+ \7 U& U1 t8 O2 S
- \/ _* i5 C6 |; c2 x" _set global-reputation-list []
5 n$ c$ O# @: _7 u9 O" x! A) U: c2 c9 o) L: t9 _! ]% A
set credibility-list n-values people [0.5]4 E) T4 g/ {- _$ w' ~8 D
. Q$ E8 q! E5 r' Z& W- Eset honest-service 0
. V8 s- i' J* b7 u7 d/ g# v+ @: F7 \) Q6 ?' p( Q
set unhonest-service 02 ~2 E- ?; z& a( s6 e& p
: \$ Z( u# A8 kset oscillation 0& I z) U! ]4 S. z. {3 S5 l
" h6 X- `& T# W4 p. n' }
set rand-dynamic 0
: z3 s7 v) Y' W- h& v9 f; Tend
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to setup-turtles ) Z6 P7 f1 g# x) O' |
set shape "person"
4 W- Y2 G+ ]6 E1 o' n8 Jsetxy random-xcor random-ycor( u* `, J8 t" O' Y0 ~% E' `
set trade-record-one []
7 T+ x; I/ E8 b* x' [# r, D" O4 x0 [1 k+ J# m
set trade-record-all n-values people [(list (? + 1) 0 0)]
9 L- r+ `' t* _# K: T- l- S1 H3 ~2 C2 Y6 }7 A* e
set trade-record-current []1 }8 ~2 d$ R. [+ C7 }: t
set credibility-receive []. n/ z9 s! \, N7 L+ }( {
set local-reputation 0.5 W5 [2 j- U$ o D
set neighbor-total 0! u+ h& o' |6 t& [% A- Y
set trade-times-total 0
% T" H1 a; X9 O% Uset trade-money-total 0
* z# }, F* ^5 H8 rset customer nobody
" T' s1 Y3 t2 l7 [0 ]& ~+ |$ Eset credibility-all n-values people [creat-credibility]) Y- ?8 M6 v. q& L9 J# c
set credibility n-values people [-1]
% Q. `* x8 |3 L8 @. p( ~! o* [5 Eget-color
4 {) z/ O* E8 u. k$ O) o
( ?9 j# X, o) w0 j+ W9 m+ T' gend" S+ R9 m+ u$ M
9 E& s9 v8 r; \) a
to-report creat-credibility& a$ X# }' F1 O9 I* b
report n-values people [0.5]
# |. x! v4 B7 Jend
6 h. z9 I; p' q, }7 D3 t7 \ \/ s1 C. K+ @* g
to setup-plots
; g" m" p: ^- G. a4 i
4 \! |! z3 U1 v" `$ ~7 q% eset xmax 30
* W5 j( e# y/ H$ z
" z" d1 l3 s% K7 [1 A4 t2 gset ymax 1.0
* N- F2 K( Y7 a8 Z+ z/ i6 _, [# V0 o9 p5 R) H. @' t! e8 C
clear-all-plots: Q5 a2 ?1 l' K
" ^- k& y0 D L9 B9 Gsetup-plot1
1 ~# T* z2 R# j) l* _
( v4 q: e: Y4 @4 q) Qsetup-plot2
^; w2 k7 q3 Y8 I+ T1 p1 c' J# c9 h6 r, d
setup-plot3
5 n5 ~* q' M3 w( }9 [end
6 N' x0 F# f+ l$ ?: j: k# G7 l) y% x0 n+ r
;;run time procedures
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to go
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V2 r* h( a" t" yask turtles [do-business]
" c3 H7 T( e/ P! Y V, {end
1 ]0 g1 ?& T' y3 _0 p k0 }- I2 W# a& N% Y" t+ p
to do-business
( e' n( o" \: E2 S& Q! j+ a
7 ]6 k4 m2 G& I( k! O Y+ V% d6 v m p% i. P
rt random 360: N0 v) h0 X( F1 e1 \
2 v: A, N. u+ f- L2 Gfd 1$ P2 }5 t- Z( o" {: \
3 n- [: u- K( ]; ~8 k( v4 Wifelse(other turtles-here != nobody)[0 C% z# y t2 v3 l0 }% ^5 H
! |) w4 g( K8 yset customer one-of other turtles-here
! S8 ^; M5 y* @3 Z( [, } H: a6 g8 I7 F. g3 X; x( ]6 r# z) w
;; set [customer] of customer myself
/ m7 Q7 S& \* t u3 }! T- ?; x( }3 {
set [trade-record-one] of self item (([who] of customer) - 1): K s5 X' Z$ ]2 B! f
[trade-record-all]of self
" |! r* I; p+ m1 k& U;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self1 m/ d/ q$ X/ W1 |$ `
) h6 v1 y2 P. `5 e* M9 ]
set [trade-record-one] of customer item (([who] of self) - 1)8 Y8 d! E) ?8 ?: @
[trade-record-all]of customer' {7 m M% `1 b" V2 `5 y2 `
$ J% |3 i9 a+ I1 S- ]- gset [trade-record-one-len] of self length [trade-record-one] of self
; B9 X" |* d& w4 y0 |4 B l5 B6 ^ ^# h) n8 X
set trade-record-current( list (timer) (random money-upper-limit))
7 o! F- j# S' h* a$ K. u" `$ B# `
ask self [do-trust]
) l+ m$ L" M' X0 x+ o4 R+ H# H;;先求i对j的信任度7 x% p) j5 {$ H, l) c7 ^# ]6 m
! ] t3 X9 i& Y y; N1 N( ~" _5 \2 G+ Xif ([trust-ok] of self)
( u! L0 U% h4 ~* A4 \7 s% {;;根据i对j的信任度来决定是否与j进行交易[6 @: c j& X4 H) s! }" j% F
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself3 d& D& V3 u1 G% E# R& h
& a9 a0 R9 C8 t+ P; f& T9 h- R$ a[$ n4 t0 j- K( _# c" n' t/ v- g
1 j6 r+ P" l: U! i* s
do-trade* U3 R( e- o$ w/ u' M
3 t" h5 Y4 e1 q% z3 c. Z. vupdate-credibility-ijl
/ A# B1 }: w( ^7 v
3 f' ]" |. H% }% g% m' H' Qupdate-credibility-list
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- y" ~5 s5 t3 z8 @$ i R/ z' M4 O
update-global-reputation-list8 K+ `7 K, H, u9 b% Q
. J' G- A* c$ F& z+ qpoll-class
9 m+ b( @, j8 A( K5 O! I# ?% V ^5 @" ^
get-color
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]]
. H$ L) r: j6 v. {# X. z+ F* n% w0 b' D. g9 L, t }# T0 E/ }2 J+ A
;;如果所得的信任度满足条件,则进行交易
. D% c! }2 ^ b* D
5 F: ^" a7 Z7 W, h$ s0 g* T$ \4 r[
$ {- U2 N5 r2 ?# q- L' e" ?% I% n- V) _: {# n, O, V' S3 r! v6 v
rt random 360
4 B$ V% w3 l6 [* Z
9 s1 f, P0 |( e$ ^% E$ O0 mfd 1# N4 F2 g& t) |# K; q
. r. N2 f x, g$ o* Q
]
$ s$ ~- p$ Y, `. E9 q+ c7 @$ y' R6 {- T
end
8 z5 s" e; ]' T; R4 `/ \) ^+ j! i- x4 Y8 o, j0 @' ?8 C
to do-trust
$ o' B# z3 E8 A# k; G" Mset trust-ok False5 I+ m9 O; N8 _/ [
3 i" a+ f& R. U9 f/ K5 J# o& }) p4 Y8 T. p$ C0 k
let max-trade-times 0
* I8 f3 @7 w9 c; t2 m6 \foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
$ E9 P+ X+ U# E( Blet max-trade-money 0$ L. N7 |. F) A" @& Z' L7 E
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]7 g; k& O, Z" |) O5 q8 m- S
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
9 o5 z! i- U" R$ M: z! V
1 Q( Z' W7 ?% o; R w* ?
& R' a$ K) E2 U9 _% X+ fget-global-proportion
! g1 a& x6 b3 G2 T) |' vlet trust-value1 q, ?3 m5 }, B$ t" ~- ~/ ~/ k
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)
! Y4 |: @; e3 O5 C( D! Y5 u$ uif(trust-value > trade-trust-value)! ^* F6 q5 b% \1 s4 K; w) b/ e: J: |! v
[set trust-ok true]
0 u! O: h$ B$ L6 gend6 }. D% s4 C% T. A+ i' U/ |" n
6 X6 F7 e/ |4 G4 i7 K* Pto get-global-proportion( ?4 _3 R5 a) c2 |7 a& ~
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)) S2 ]. _1 i5 |4 ?$ \6 l5 j) C; f
[set global-proportion 0]
: L- ^% S4 k! F[let i 0
% g3 q+ u2 {0 g' flet sum-money 0
: F# n# t( j& _/ r7 E5 Q1 Twhile[ i < people]: x: |1 e! }8 y) w0 }
[
4 D$ q7 ]/ v6 c# d$ }if( length (item i7 ?) ^" Z. ?2 q9 I" c: a- | i
[trade-record-all] of customer) > 3 )6 L7 ]* i' o" g* }4 P
[
1 n2 }# C# V A: y( j/ fset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
: s3 U. ~/ A' {& l* ]6 R( Q, r]
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let j 00 H" { d6 Y) ~& J4 q7 S: A
let note 05 {1 C* D0 p9 b2 t8 R
while[ j < people]
- P/ L6 k8 S- _[9 f$ v8 i% l' s4 \
if( length (item i- g6 i% q0 u' a% c+ y
[trade-record-all] of customer) > 3 )/ o( U0 K. Y0 K% a
[, }1 R T' z! ]
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)0 z+ E, J! k- ?4 ^
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& f1 M$ n$ U9 l# {
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
; S& c. _, _# i" C3 j. t; N]
" v1 L0 l- M. ^& w8 K]7 i0 F+ e6 O2 b( M5 Y! _4 d; F
set global-proportion note+ u u0 Q3 e# `$ x# Q' J
]* D3 @2 m" X( m8 @8 ]) f) P1 o, V; U
end
, d% D9 E2 y/ p- H' l1 M. D+ d3 }; ^0 Y, N. B* O. D1 v
to do-trade
" F3 {% q1 V' `0 V/ U- x;;这个过程实际上是给双方作出评价的过程 P% h8 C2 [( ?( x: R
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价1 H, ~1 ~ A9 @! P
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价' ]) u4 P8 S) D/ K& d, K8 b
set trade-record-current lput(timer) trade-record-current0 b$ t( Z2 d( p: f5 g9 V
;;评价时间( E6 o) F9 o* f2 B
ask myself [
$ K" X8 f% F( ]# Tupdate-local-reputation
/ W* Z5 V" p3 M! }( Iset trade-record-current lput([local-reputation] of myself) trade-record-current8 f- Y O+ f! @: N. u O+ v
]
# V+ w5 Z# E3 d/ R0 e5 `, i: U- t0 Y# wset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself3 |, | ^ f4 d& H9 H0 A% w$ F
;;将此次交易的记录加入到trade-record-one中
0 C8 N% b. f# k# _0 ]9 o7 lset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)9 j, z8 P$ M6 X" q6 y
let note (item 2 trade-record-current )# ^# p' Z3 U3 M; Q* M% S0 ]
set trade-record-current [* L4 k2 C& @& ^: Z* a
(replace-item 2 trade-record-current (item 3 trade-record-current))
. H2 a% f0 h. y/ S/ N f1 Oset trade-record-current
& l- {; m7 Z# X9 ?7 q(replace-item 3 trade-record-current note)( L0 |' h! m* n1 j9 a) b# f; y) n
$ [7 G# N- ~; R( @
* K9 w4 R9 g( k4 B( _7 t
ask customer [
5 K1 |! T& r0 V1 U: f6 J9 Nupdate-local-reputation2 ~9 H! E( g) _: N
set trade-record-current6 z) k. k3 A# t
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) . `/ d; D/ R; u* f
]; }( a+ z, _" g9 x; c$ S* E0 U
: r/ } H" ?1 _/ D+ \# J$ h) G/ O; B: f
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer" R7 P" D I& @+ E4 [9 X
7 k$ _$ [2 }: H% {
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))' _* d5 w; C. ]/ M! Z- T
;;将此次交易的记录加入到customer的trade-record-all中/ R8 b2 H$ f D
end4 c1 O8 s( u6 G8 R
, M- R. B: A, G3 z. n1 v
to update-local-reputation
4 I: [2 g- p# I; {3 Aset [trade-record-one-len] of myself length [trade-record-one] of myself
& g$ R& g+ S3 {. I2 P5 Z- \: i& e; n8 V9 T# W/ i8 f" p
2 |+ }& r9 ~. `, ]- f/ v, Q
;;if [trade-record-one-len] of myself > 3
0 x/ E, A3 s& a2 Hupdate-neighbor-total6 o. B4 Z; d0 W( Y7 A" G
;;更新邻居节点的数目,在此进行) J. W/ y7 k6 ^" {
let i 3
8 D" N5 B8 O; d; L1 rlet sum-time 0
) k( F4 b9 k6 Nwhile[i < [trade-record-one-len] of myself]
+ y5 s. k1 o: {% t[1 |% O9 D- p$ a$ m" c: }; s+ Z
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ): m; d. f, Z9 z! Z
set i, ^1 V" U. R$ G+ ]8 x
( i + 1)
( n6 B" B* g& Z. i]" \9 U; [0 E: }) X6 e- ]( e
let j 3
. g: ~5 V; _. O: C" ]+ Klet sum-money 0
: |. L: O9 P+ a+ k, G* hwhile[j < [trade-record-one-len] of myself]
: P2 u5 ?7 I7 @9 N* b2 `. l: f[
9 D* V- Q% u) |+ kset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)" N3 Q$ Q4 r! U+ c1 O6 F
set j- L* \3 D# d* ]. e% h; ^
( j + 1)8 d+ v" ^& p3 i( y% ^' r) b$ i6 B
]
* L" n. r. T$ B6 tlet k 3 ?: w$ i3 p, @
let power 0
+ r! s3 b: _6 [' a9 L' V5 p) jlet local 01 r" ]% j* x( P& U1 K
while [k <[trade-record-one-len] of myself]5 `) U) {+ h1 I2 C6 X9 v
[ J$ i0 `& h8 Z5 [* L' X
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 S: ^ ]- e& P" t( ~ L2 t+ Aset k (k + 1)2 q; K4 V. ~# X* _7 n) A0 T1 _
]* a; i; B1 W" m0 Q& P* C9 H8 M( f# q
set [local-reputation] of myself (local)
" _6 O; V% A* i: O2 d$ |" iend; h. |! ~* B( N) F8 s# D! }9 f- O
7 y6 ?; N' M/ I# d M5 z2 `( z. o7 oto update-neighbor-total
3 c9 r( ^* {- {, ~. j( Z& P8 y! { |3 n
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ], E8 Y( c" h! g& Q$ l
8 v% |9 y- P' x( q- n) ~0 |* \2 O' U! k% G' H8 Y
end- o, D" I4 Y5 p- L) y0 v
2 {* N5 l) G- z4 S3 ]/ sto 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。
; e, g) x6 B6 E4 w3 Nlet l 06 ~( E4 f6 J! D# f; g. n" B
while[ l < people ]2 m* M) [% e1 U
;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
7 ]& e) K @; ~9 ]7 Aif (trade-record-one-j-l-len > 3)/ X: T4 P0 J: z8 D
[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
6 d) e o( ]. m4 l' l8 Clet i 3 G6 w& v( r8 t
let sum-time 0
- K# o- e1 d7 f' Dwhile[i < trade-record-one-len]) y+ b' J: \7 ?1 ^7 |
[
& N/ o- A! r6 n, Y! y' ^set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
: X3 I, }' w3 D/ C: Y$ _/ Uset i
( a, J! u8 b: f) w' X& \. e( i + 1)
3 b+ V8 W! t; v]
& A$ F& m7 P+ flet credibility-i-j-l 0
1 ~: ~6 g+ V+ P7 u;;i评价(j对jl的评价)
8 l8 s1 k+ _7 Z* z9 elet j 3- x( K( @/ X9 w ^; a
let k 48 m- A# `# J6 E p/ ?
while[j < trade-record-one-len]
8 b* ^+ L" c1 w' A0 a4 \[
2 f* A! K8 E) }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
/ q& w' B! B2 }: f, 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)) O0 V7 B9 I- N" c7 D
set j
1 E' M5 T; b6 V. B( j + 1)
% K8 L% I" U- P7 j' O$ _]2 U: f7 }- l* z. C+ c. X e4 l
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 ))
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
+ i/ s. s2 N9 e( U;;及时更新i对l的评价质量的评价+ v& v' R0 G+ R/ T
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
( g/ C& m5 K3 W# V2 z9 z3 lset l (l + 1)6 }5 u- C4 o X$ q) g5 u
]
4 N6 g- j- A( x: ~/ send1 C& d8 u' y$ u6 r4 l
( M5 t& ^3 K$ V, _2 m- l+ H
to update-credibility-list s \: M/ T, X% R7 J# m% f
let i 0+ W/ ^% C, W$ q0 w& P- [
while[i < people]
( U" M' U- U3 T! b[' \& b! i" |8 L1 a4 R7 J, a
let j 0
9 @# @; k4 s6 g' @7 B8 {' i7 Vlet note 0
9 k2 E4 u$ }$ k% I8 ]let k 0, w8 X" p: t) A1 ~- ^6 C
;;计作出过评价的邻居节点的数目8 x# i4 d; E& P6 Q+ r2 @) B: e2 o) q
while[j < people]
# l" C# Y* G a9 l7 m( p[
# T8 |- U- f: _: ?if (item j( [credibility] of turtle (i + 1)) != -1)6 V2 ]9 \3 E0 C4 D; M
;;判断是否给本turtle的评价质量做出过评价的节点
+ e$ p# Q+ o" @3 Y3 ^' h[set note (note + item j ([credibility]of turtle (i + 1)))# v& x k! s T" N- C9 C) \
;;*(exp (-(people - 2)))/(people - 2))]: `9 V$ w! J7 H7 R5 l+ {# }5 t/ i# C
set k (k + 1)
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set j (j + 1)% K( T+ I! ?; q# w
]) r+ O3 ?$ P; x) F8 i B5 f1 F" t
set note (note *(exp (- (1 / k)))/ k)
j1 Y7 b: F$ m e2 {# kset credibility-list (replace-item i credibility-list note)/ l; Y: f; U/ ]4 s+ o/ g
set i (i + 1)
1 s2 y3 a S" X! C2 N]6 D, o7 ~8 p5 J9 l- o
end
/ a: L5 j5 ~% j3 h/ X5 W# |0 A# r' A6 }+ }* h
to update-global-reputation-list& l V! ]' u" L- _
let j 0
# E6 j E0 G( P( `* B% rwhile[j < people]; \8 d5 U5 l7 U
[+ V6 f! e, M; Y3 e) ]4 f' H: G, l
let new 0/ N/ J" s$ q! n! f: T
;;暂存新的一个全局声誉! ^* c' Q( s$ U& B Q
let i 0
+ B a" X9 w% m, ]" x( u ilet sum-money 03 U9 J) k$ U7 Y- {8 Q3 C
let credibility-money 04 S k0 d# z+ u4 S# V* B
while [i < people] O, ?+ E0 v5 F0 T& J
[
, R$ i) H. E% i& W( Oset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))4 `4 b! l. N* \
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
" M9 T g# f3 @ wset i (i + 1)
7 t' @" b' z6 V& k. c; J& s]
& N. e6 E, Z% n. b+ ilet k 0
& Z! k9 @' A% p4 ]( @6 P- Nlet new1 0
4 J; O2 k0 O5 Jwhile [k < people]& D8 T/ Y/ g$ m7 Y' |4 |
[
/ D2 L, c. R# J5 s& U+ \/ M. Sset 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)$ }. @2 z. B3 j) @# H
set k (k + 1)
% X9 h: X# V& v$ y K- w]
5 [! Y; {8 r& Q9 o$ D6 Hset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
$ j; o' o( y, D9 Y- p. Lset global-reputation-list (replace-item j global-reputation-list new)* \/ Y. A/ q- d9 W
set j (j + 1)* t, _7 v7 s% l! y7 ]
]
; Y/ }; z3 h( \) g' Yend
5 a5 C; i) c8 @
. E1 f+ v( _! O2 Q$ z* C: b, o
" v0 D! D- v; ~' x Q
) R( H" |8 I8 M6 s& |) Hto get-color, S3 {& m9 m7 N) g; z. s
) [1 m! x0 u; M6 {# G. v
set color blue
) w7 t$ |6 [2 M; R6 G2 Tend9 f6 D. V; }2 _1 R4 ?0 u6 [( b
8 P8 p& `; V4 yto poll-class
1 P1 R' m* p# R) lend8 s. u6 Z0 ]9 a. n
) I) F% ?# t+ n4 l J3 G
to setup-plot1
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$ h: s7 o* G6 {set-current-plot "Trends-of-Local-reputation"
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set-plot-x-range 0 xmax0 i0 @8 j' d6 F5 P: s' r" @9 J
8 T) [7 V! y# u H- eset-plot-y-range 0.0 ymax
& d( e3 _! u+ S! _end4 w! G2 f! ~2 |1 O0 b: E% w2 E
2 G0 W% X( {! V5 C/ Dto setup-plot2( N, ~1 B& F4 G: V" G& r* k
6 F$ \7 l# ]2 X4 _& mset-current-plot "Trends-of-global-reputation"
% `$ T4 U W6 d5 l& J" t4 s& V
) Q+ v/ C( E# Nset-plot-x-range 0 xmax
( ^- T1 U3 w. B% l# J/ H
6 G) V1 ]. A e. ^) o# ~. aset-plot-y-range 0.0 ymax3 c. a8 W3 u6 w% U
end' T# U/ w9 o' q- c; a, P' s$ i
, I, n9 k/ Y0 W! G
to setup-plot3
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set-current-plot "Trends-of-credibility"+ J: H Z# o, u
1 A' J$ J# o0 y& `9 R' D- X, D
set-plot-x-range 0 xmax
9 ~9 O4 D- ^, i1 L# M
* N( B* U7 ]/ T! x7 j; u, fset-plot-y-range 0.0 ymax1 H1 x' d% ~) m1 @- O. u5 R
end
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8 m- S& z$ I: ?/ y# uto do-plots, H. q: }- ?) O" a
set-current-plot "Trends-of-Local-reputation" a3 g% I* e* O- A; G
set-current-plot-pen "Honest service"
2 J8 V' ~# F+ G% N" Q2 h" Cend
" A3 X0 X0 d+ [' e2 _ a0 H* x8 h
3 X [2 L4 H! P& [& J( \& `+ o, R6 Q[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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