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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! u, }( g# s# a" z* @/ x
globals[
9 j7 O4 @" _- ^ R9 Axmax
2 P. F8 ~ \4 @ P7 `% Hymax
" {; P' O( @) `8 j0 jglobal-reputation-list
- v2 j: ?6 V, Z* b3 H4 v% {: e# J9 ^0 P) B w+ K! ~1 R
;;每一个turtle的全局声誉都存在此LIST中& N" A, H ~8 [8 E
credibility-list9 m" D( a2 N8 q8 i9 l
;;每一个turtle的评价可信度
# e/ s! X$ d$ e, |0 [2 }5 Ahonest-service5 Z) o9 h# t4 _! h$ b
unhonest-service
/ D Y1 R! O& F5 v _4 koscillation( Z1 O4 X$ \- t
rand-dynamic6 v! i. K$ d2 N9 I( j8 i( H
]
$ \7 R9 b# O7 M+ m( g
. j/ E, U9 B O$ r1 c: tturtles-own[
, O/ s; e. r3 h6 ?8 }: X! Dtrade-record-all
) q* Z7 V1 L$ E7 A1 ^7 e;;a list of lists,由trade-record-one组成
( N* C% V* R6 s, E# \trade-record-one
. q; b$ _ a3 A0 ];;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录$ B8 i2 V+ R- y3 j5 ]+ S
- |' V' B# ^0 x;;[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]]
6 |/ L1 b& b, E3 }, atrade-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]
5 m0 i3 X: Z' E2 ncredibility-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: y$ k7 k: \4 G
neighbor-total! R' H0 w5 T; k9 w
;;记录该turtle的邻居节点的数目& @" l# [, s1 b w4 g
trade-time$ A4 Y f; K# j- t6 U/ d
;;当前发生交易的turtle的交易时间
! S. U v k7 B# {- {% Tappraise-give$ ]$ T5 }, J' _9 j4 X! Y: }7 S# t8 e
;;当前发生交易时给出的评价& w. T0 }- }' v3 i% E
appraise-receive" X, H# q: T# b! f' Z- m. {" |0 S
;;当前发生交易时收到的评价* U* }! c2 p9 @3 ^
appraise-time
x, S0 P. B9 i: ^ R( V;;当前发生交易时的评价时间
+ [" U6 _: r& b9 z; Y# N' K$ \0 wlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉/ V4 {. O" _1 p8 i! q" ~
trade-times-total* i1 g, J W0 F$ v: l
;;与当前turtle的交易总次数
' e- G4 K7 I! |5 j9 ~9 Z* }/ t+ Ytrade-money-total/ w, e: Q8 D9 g& V
;;与当前turtle的交易总金额
' q6 ^0 U5 |( B: |0 P0 alocal-reputation1 U0 |( J' c" w U+ t& U }
global-reputation
" [! n, l. ?% A' i Ncredibility
1 t" L4 P2 A& `( A% z! a* W;;评价可信度,每次交易后都需要更新1 _+ M3 |/ T/ C9 B! p) e4 N }
credibility-all, |1 n5 V0 b7 p0 d) R# g# Z2 `
;;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
4 x6 F8 x$ m6 N; I0 L' W2 y& T) a; c; y, @" V) f' A3 v4 k
;;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$ {& K9 T3 H* U* M
credibility-one3 B. y+ K4 Q8 d. C4 ]
;;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) d9 }+ e, G* g1 ?' O' C
global-proportion
+ p. V4 R5 I! U6 ]! T8 k8 fcustomer0 d! S8 F* G) [& d
customer-no! f7 D6 ^- y2 e# g& u* c [& X
trust-ok
( m4 \! U) z; Z1 _7 _trade-record-one-len;;trade-record-one的长度
, P7 P* k F* z" O: R! i] W$ o5 N1 a$ Y ~4 A$ u
5 R( G0 E# a$ p R9 z;;setup procedure
# r! \, } w- L0 J; K( p* S$ A! Q9 H. N
1 p1 i; u' a$ rto setup$ M2 T; S0 R& U( s
; a) T* ^ H e4 I2 M
ca0 ^8 q! Q0 E: S$ S7 ~
t' u/ k4 [) Z% ?& i
initialize-settings
* R( u9 v$ V5 U8 W0 @; C5 C4 h% o' R& B% R, Y: w
crt people [setup-turtles]
" F+ K- c# q, d* J
2 R- m* `: q7 y/ h% |; Oreset-timer# T( }2 w1 _7 Q3 Y2 B1 _" c
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poll-class& F9 V# i. N8 P2 T" c- ^
8 n6 p: a& S R' u
setup-plots) R$ ~. T; C- Y: Q3 F
% q+ u: E# a! |8 v4 M& j" Vdo-plots2 f |( j! X4 S3 O
end
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to initialize-settings
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set global-reputation-list []( @. |7 J# g% r
$ w4 M1 C0 a6 B, G: R$ B+ H" [set credibility-list n-values people [0.5]
" J: }. ]5 S$ j6 s# m- Y
, @3 v) r6 v5 {! h* A5 P2 E% Oset honest-service 0
$ `1 N1 K9 n. W) q7 \3 C' o1 A: M" ?$ T. p# O I9 h2 |0 H" |
set unhonest-service 0) F& T! Y5 c/ q' V1 V
/ T x0 e; H( X) C, z4 n c$ \; i
set oscillation 0! I+ d, b# K: Z R$ R* b
) D6 R1 J) {1 \( O+ ?7 U
set rand-dynamic 00 j3 ?! _6 D( l- v
end- C; |% j4 ~, D+ W, r: M! z0 b/ d; U
) _, g! }9 Y& Q$ mto setup-turtles 5 @5 o8 G; X; _# J" y
set shape "person"
/ ]! ], v7 h+ i. j5 Jsetxy random-xcor random-ycor" y, S* y3 w3 v
set trade-record-one []
: Q; x8 \& b, H. D( U, \
& {6 u- m& }* U9 w9 Q7 w* yset trade-record-all n-values people [(list (? + 1) 0 0)] 4 g8 ~. a/ f& r; b! u
* ?- b! ]0 w+ d; j
set trade-record-current []
# Q. h4 q& F! x- S# U6 S9 oset credibility-receive []
' R. ~9 Z+ O( y& S9 P6 m/ Iset local-reputation 0.5% f+ `2 z3 [( o' l
set neighbor-total 0
: V1 s0 M. U- U# _set trade-times-total 05 J0 |/ {% e1 n+ h# ^+ a
set trade-money-total 0
. u0 k/ D3 q0 g, |set customer nobody# L: B2 u1 ]2 s% I. Z
set credibility-all n-values people [creat-credibility], ?# L' z0 ?$ B4 U) p! r' D/ B
set credibility n-values people [-1]: k7 z2 J9 b* w G
get-color
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end
+ m8 `; P" t, S0 a. t# U5 V
6 b5 Z( R, Z% H% Z* g4 fto-report creat-credibility! d% [' _! F! K: `9 Q9 C
report n-values people [0.5]
/ {0 O' p* ]9 i. r" C$ aend/ t* H! ^; y& l! M- L& L: @
8 @ q: W, W2 Y+ ]1 Pto setup-plots/ S' {% ?% C( _- N
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set xmax 30
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! h* |+ \4 {* A7 W c: vset ymax 1.0
0 s+ A( t" B$ h+ _" J m( _# j( }* u& a: ^
clear-all-plots( `5 ~8 K7 Y9 n; }6 D4 V$ U& J
8 }) j; j- h6 ~" E4 m- rsetup-plot1' ~9 V" e$ J0 o3 F/ k3 x
& |* A4 h& ^( J! U1 D' j% a1 \setup-plot2; M1 q- c) p: I
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setup-plot34 y y% ^- w, T
end# x* m1 W1 A4 c0 x& |5 [. w8 Q+ N
, ]8 [5 W0 j' {- O# S
;;run time procedures
( ? l: {, C( P% K0 v
/ h& P( `( {' K( }# Dto go
& s( n/ j, T1 t9 u7 x5 {# m3 f9 c2 t
ask turtles [do-business]& b' d* K* M1 v/ I/ ?- E
end5 q/ s% H9 J1 o" T& f
# j- m$ l5 s2 m, mto do-business
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: a, X" x" N }6 a3 o
rt random 360
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fd 1
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ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here( f! `/ z7 Z2 Z- I8 {
+ z* s" Q2 j7 w( \6 g/ M a
;; set [customer] of customer myself1 J) E' t4 S" A9 I
5 u5 f$ Z5 W7 l Iset [trade-record-one] of self item (([who] of customer) - 1)) I. q( F& t; G S
[trade-record-all]of self! K$ K9 ?9 k$ z' }; o% M
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
% e+ O% W+ C5 Y' [/ o
- q& s. y% g5 V' T' w3 Mset [trade-record-one] of customer item (([who] of self) - 1)* U9 d& Z8 a( u. w. p# U0 m7 |; a
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self5 J9 z9 i% w7 R2 ~- s5 o& D" Y9 U
& [1 V# S* y3 c sset trade-record-current( list (timer) (random money-upper-limit))
) @" h$ { H/ {9 o& W! U$ g) o
5 Z X# z: J( ]9 @8 n- {ask self [do-trust]
& E0 s$ T0 q" W, ~( N;;先求i对j的信任度
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: P/ [" O+ H u6 h, s4 t2 c4 Lif ([trust-ok] of self)- G$ A; V3 B9 d
;;根据i对j的信任度来决定是否与j进行交易[/ q% H. s0 [+ t$ X+ E9 {- ^ e1 M
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[/ M- V4 u8 D+ c
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do-trade O# s, S9 k2 Q
9 W3 i) a" @- U9 `& _
update-credibility-ijl
( |* d0 ~ u2 Q) U* E; f3 `& V' D) q. a$ _( n* O% t
update-credibility-list0 i7 L. O5 {2 P8 s1 Q* c
1 D4 c5 I' {" Q+ H
% n" f2 g. W/ i: O$ Zupdate-global-reputation-list
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6 C1 r8 u1 x# hpoll-class" g. ~) Y2 t) l# f
: k1 Q0 v- Y# `8 y% B5 ^get-color* X$ P+ O S4 S
4 d" `, d; @/ P( v# A4 c8 ^]]
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;;如果所得的信任度满足条件,则进行交易
; W- P* [. T! [* O' }3 G1 m& l) m: [
[( K6 E* V7 r& p3 `& _" v
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rt random 360& b& ^& ~, C8 f, Z2 p: K/ N/ q
& ]! a9 ~1 @1 h- I; h# ]; S
fd 1
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8 D/ x6 P4 U3 {" {' j3 M]7 b l, l2 p5 M# {" E1 x& L
( S3 ]4 d( I3 w5 d3 \3 a3 v
end
: C- _$ f. Z3 ^; B' L+ N/ _' q
, p3 p$ B' ]& X' |0 P) f( ?to do-trust
2 g: g( Q9 }2 ~set trust-ok False
4 }3 y3 k+ x+ Y1 F: G
+ d. |; R; G. u$ E$ V" G4 X/ W3 J! U2 |3 F
let max-trade-times 0, O3 T" H/ o! V2 F e, m7 P
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
9 @* D+ _" I% O2 ?( B( Wlet max-trade-money 0+ a- N$ s: a' E1 v$ E: _1 w) o. ~
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
5 ^: x. x, O/ M6 N. Olet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
8 |1 n7 s8 [ u4 R4 J* j0 I* T% N- z V: Z0 f$ G( A
8 l z0 b7 D E) ~7 I2 \. Q
get-global-proportion) \: u2 ^9 N) z% [) p4 w O. {6 ?
let trust-value
3 d- [' L: v7 v1 `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)
. \& v9 B P, S. R0 Oif(trust-value > trade-trust-value)
/ b8 D& t0 L& _- N' Y6 {[set trust-ok true]
. A; t- r' W- U! r+ `8 d kend
9 Z# A' S/ H F8 H" e: R9 D+ h" O; u! j9 L/ }' D8 t
to get-global-proportion
( D+ d& r2 E/ B5 |ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)9 Z. b2 }0 a( C, F1 N
[set global-proportion 0], N( `6 c& B( h4 K4 M0 R/ ?5 M9 |
[let i 0' o& c" J0 g' s& L) M0 `+ ]) r
let sum-money 0
7 x/ I v4 j: O8 F" {& Wwhile[ i < people]2 X$ V- ?5 q& M% w+ s' X
[
# L" w( i: s" s6 \/ }" X7 aif( length (item i
/ U# }: P- O1 r! R! B5 E4 x[trade-record-all] of customer) > 3 )" M. d: Y7 f+ ]* B0 M
[! e5 a3 I2 V! @5 H) m$ K/ r* z
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))$ ^& o4 z' N+ z* M6 Q
]
8 r, R$ W- U/ L/ Y2 l]
' e4 K5 j2 y- u( xlet j 02 O3 F& N5 X ]) q! `. L% R7 `: ?
let note 0/ k% A \, g9 z5 t6 v/ X
while[ j < people]) A" u d, f+ s! A0 v
[
9 v# ]* r( E7 E. ]# p! tif( length (item i
. {( g4 q. }2 S6 o6 h[trade-record-all] of customer) > 3 )- L) p, i$ S c; i9 L5 K! O- [
[
% ^3 s! e* c ^" L N/ A+ ?ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
& v: r' ? p1 [& J6 t7 |[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
9 \! B% a6 T' D2 D+ n, {$ M0 q, ][set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
7 Q2 [$ c. T* Y! k C]
6 Y* |' h$ { d3 O$ b" R]
8 f9 w. N: U6 M9 S; C6 dset global-proportion note
+ N0 U+ `/ {0 W( q9 ~( R3 G]) z/ b9 P3 p( J
end5 ?: Y4 t/ `0 s8 Q8 ~
$ n) \" ?& P5 ]- C7 H Zto do-trade2 L2 w F5 d. D
;;这个过程实际上是给双方作出评价的过程2 B5 k$ E2 b$ i1 S+ l4 a' W
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
C. W" g& z6 ^ x+ l/ `set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价$ K5 C, b2 D8 T! T$ P$ r
set trade-record-current lput(timer) trade-record-current# e! o4 U5 M: E( }& d' S
;;评价时间
7 s3 l1 O) w7 W' g; Y, y: cask myself [
% H' l% w9 L' w' Z, v" d( |update-local-reputation
* O0 c% i1 S' g3 x. b- h$ E' h. mset trade-record-current lput([local-reputation] of myself) trade-record-current9 Y( c$ V$ u) h2 \
]/ ~ y) |% z( ~3 Q: {; D; o
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself |* i; Q4 I+ ^( x+ I) q
;;将此次交易的记录加入到trade-record-one中
2 y0 q. g8 O1 V! C' T8 Kset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
1 M- J; x m" W8 f* | Alet note (item 2 trade-record-current )
3 i/ t/ F( P" B: Q3 O0 A# ^7 j2 Uset trade-record-current2 K1 @$ V$ Z% B, j& t6 A
(replace-item 2 trade-record-current (item 3 trade-record-current))3 U7 q: x% f8 z% L2 O
set trade-record-current; u, w# _1 n1 A3 p5 w' T, {1 x
(replace-item 3 trade-record-current note)
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, _; c# f* F" d% W: z2 `( \2 q4 |
ask customer [* u* ]2 Y1 O* B: D8 x) y' @
update-local-reputation
- x7 ~; L) A/ l2 Y9 e# Jset trade-record-current
4 Z: I) S: h! P(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 9 Q6 @* y) r% x3 g5 G6 M# _* {
]
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer4 B* |$ \( a* M3 @
1 V( m. S2 ^) q! ~: K& L3 Y
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))9 B4 c5 ]$ g' s9 O0 P F5 q! ]
;;将此次交易的记录加入到customer的trade-record-all中 ?4 ~; v/ A6 f1 f0 N
end( W, w5 U1 B! }% E; Y
2 a8 H5 m( T$ d* k- Q1 {) {0 p
to update-local-reputation
" I5 J# @3 \# U/ e9 D4 x' g" z% [set [trade-record-one-len] of myself length [trade-record-one] of myself
W/ u& t) a* k5 e$ l) [+ r9 U) B
; I9 I; W9 F# t2 U t- Q; x: y/ x# M, I9 G
;;if [trade-record-one-len] of myself > 3
~9 m# j- J6 e. u7 s& {0 Uupdate-neighbor-total
' ^* r4 f" ?7 u, X;;更新邻居节点的数目,在此进行1 \9 F8 D, y7 c$ ~
let i 3
' R7 ^2 \* X. V+ C6 j- [let sum-time 0
+ e, O9 r8 ]0 [' }2 Jwhile[i < [trade-record-one-len] of myself]8 Z& A, P# T+ g/ y8 ?6 J8 h
[
' v" b1 ]. L, ] G$ p }set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )2 Z! F6 _; z y$ b/ N$ e
set i
3 v+ U( n7 r( t( i + 1)
" n& t' F J2 Q]7 k1 d, [7 y- A, |3 W
let j 3
9 C: j7 S) T4 o* d$ {0 r) Qlet sum-money 0
2 Y6 U7 [5 U' V5 K: \while[j < [trade-record-one-len] of myself]( V7 ]; t* t7 p
[
5 C% J- c6 v ^1 b& [) wset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)6 i% d( K V" u7 E$ m1 t" }! z0 T) j8 {
set j6 g2 D. ~& [. _. c" t; v. p
( j + 1)! P% T& o! E" H/ |7 q4 ^
]8 V8 U E* ~5 m D+ L- E E6 e
let k 3
( K5 J, q6 H$ m. ylet power 0# u0 [1 V( ~" c' i
let local 0
5 d' E5 V3 n* r- w3 Pwhile [k <[trade-record-one-len] of myself]& m5 |, a' i6 w) V0 a& `: v. }
[
7 M8 g4 T) y! C/ ~, [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) , y# U9 n' k8 P0 s1 M
set k (k + 1)
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set [local-reputation] of myself (local)
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to update-neighbor-total
: A4 L1 | A# ]" U( ~% L9 N- e" P1 `" B+ {" f; y# ^1 y, B
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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4 k+ X/ L+ u6 ` hend
$ q) n* [0 ?! |4 n; p" W- w9 r+ P5 X- a( Q
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。. m# T8 F) I# }8 ~' h! x
let l 0# d% N3 y, H$ P1 J3 j) V" s8 f
while[ l < people ]3 j1 y1 D8 n+ S3 @* Q/ H2 X5 s
;;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
, ?; g, W$ ?8 f: `8 b[
) T! a1 w$ i) v! slet trade-record-one-j-l-len length item l ([trade-record-all] of customer)' [- `* U6 O# r5 Z7 ]) @
if (trade-record-one-j-l-len > 3); q$ y0 L6 I- r H) d$ R- }5 V" u
[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& {4 p% [0 w) H& u* W$ y9 K
let i 3: z2 `. w! m! O5 \! [) l' t
let sum-time 0) Y. q+ s. ?: m5 N2 h6 Z
while[i < trade-record-one-len]. ]' j- X9 Q* J, {/ f$ t
[3 i2 l; [5 W( r0 e5 {
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
v$ j: V6 `4 m g' U2 hset i
: Z% a6 W! C* ^: S( i + 1)
" y, p' C2 X- x' n) D]
! s% [7 O2 \, \) k# l2 Hlet credibility-i-j-l 08 f: J3 X9 b) g* ] T
;;i评价(j对jl的评价) m2 d- a8 I2 V+ h; n4 X0 ?0 r2 \, K5 z3 r
let j 3' Y$ \' V4 s+ ?( G+ V2 {4 E
let k 4
/ Z' F$ d) O4 g* Zwhile[j < trade-record-one-len]
/ ^: D5 C0 A% D7 Y! q[4 }& K" p6 v" y) ]
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+ ]$ {; X0 Y+ H& h. @
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)" z9 N- J) ~$ r- A4 R
set j' N% F* {" ~' c7 o) L; U: U" _
( j + 1)9 J8 I7 `; {5 b7 f* s. a) r8 X
]. c0 L7 F9 B P" ~& D4 [
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 ))
& a9 u) z8 x( P# [8 Z$ g+ u S: P1 g1 P0 y* t$ u
+ r8 k4 [2 P) ^0 @8 k9 [3 v4 z
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
3 j z4 x6 C7 X! Y( f3 q6 T* J0 g;;及时更新i对l的评价质量的评价
6 w) O; q6 D( W& h4 v) j) Mset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]6 U" I7 H3 _: |. i. x) L$ I5 ~8 J
set l (l + 1)
+ E$ t( R8 @$ _( U& }]
: Y0 N; g, a- t! Z* mend
; j/ _' u5 Z& A5 B, P: @3 w# K
/ A1 J( i% q+ q, P- r2 Mto update-credibility-list
1 f) ]: h8 J, \ Q, ulet i 0) x" `4 m0 T9 G, z b) O
while[i < people]
9 e' Y8 A9 b2 V$ w% Y[
* `/ w7 E2 d* v0 h9 `let j 0# P* m1 e* [. `+ ?0 E
let note 0
; ^5 I) O( q, |3 C/ Ulet k 0- M3 @0 G, h: V9 h, m( S: Y
;;计作出过评价的邻居节点的数目& v/ m d1 p* t5 K% R. X
while[j < people]
! q5 e9 B- Y0 l[/ F' f' Q }# o5 J7 O
if (item j( [credibility] of turtle (i + 1)) != -1)' Y1 t. g4 P- {# U. k6 |4 H2 C0 E' L
;;判断是否给本turtle的评价质量做出过评价的节点8 _" x0 l- L" ~' i
[set note (note + item j ([credibility]of turtle (i + 1)))! j' C( P: {' C) v( V6 W
;;*(exp (-(people - 2)))/(people - 2))]8 [3 O; ~9 s% o m, F/ y
set k (k + 1)- T' @; F) a2 }) s& `
]- z- E% z( ]" V% K2 ?
set j (j + 1). n! [0 V: b% ?2 o. v0 t" {
] s3 T4 \$ {' q9 T. w
set note (note *(exp (- (1 / k)))/ k)
, M8 J6 d* G. i u$ mset credibility-list (replace-item i credibility-list note)1 Z `. ]/ Z9 `/ {; g4 ^, J
set i (i + 1)
2 G |9 O% C, Y]
0 y/ L3 e l: n0 }& w5 uend/ X( ]) H$ ^! _3 O& L( m4 R8 u
6 Q" w4 ~' Y( Q1 Zto update-global-reputation-list
. T# J& J9 I0 V' W# A0 ?let j 0% K% R/ \3 [0 g$ g
while[j < people]! U! }8 x+ t7 u/ ?% M; P0 e
[% b5 F- R( W. ?
let new 0* ^1 g% C$ S7 ]5 b8 H- u7 r0 j* P
;;暂存新的一个全局声誉+ ]$ Q9 p5 D9 x7 R) g) b% j
let i 0
) q7 r$ a9 R% V' ~4 X9 m* M" blet sum-money 0
* k1 m* ?; u2 U7 L+ Slet credibility-money 0) h5 o' B: R" _* v1 d; B# S) J
while [i < people]0 I" w, x1 D4 |
[
# H' R; G$ S8 ]% u( rset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
, l/ d+ K& G0 u! d' z, Jset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)), K* y* m- \$ x0 }# e) o+ O% R
set i (i + 1)
& d! m5 k2 `( {9 O0 @]
( S# u" i% B8 F' ?6 mlet k 0
# w7 A& [3 y1 L* [let new1 0. C- ~; S* \- y8 m
while [k < people]
: N1 g: z0 a2 |6 `[
+ t i% {& \1 K3 L7 C+ L3 d9 Wset 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 ?, M6 y3 G% j C4 d
set k (k + 1)
* V l$ ]5 c! A" b7 a6 D; l. p]
( I+ F. |' ?( m1 j x6 {set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 2 r# y0 y) ?/ h# W& E. ]
set global-reputation-list (replace-item j global-reputation-list new)8 v0 o q& k8 y% S
set j (j + 1)6 W& }5 D- C6 x' i) V3 d
]
. B+ R1 {2 T- \" U. h7 Jend
& a+ m6 k; m$ p. I9 S+ k2 B/ c* _
0 m+ S1 D2 m7 n. A+ t( K
# { O% S. U; R& Q7 u& M/ _' Wto get-color- A- y O+ G3 T1 w- B
- c$ N1 S- P5 @: l& L0 t
set color blue' R' \* N0 [9 Q9 }- O) H" d0 ^
end
# {+ I( E5 ]) k. D0 Q
5 }2 s" n% L F- |" {; @4 oto poll-class, }- L9 F- X& R4 q* y# A
end
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to setup-plot1, X) q' Q1 C# C. X7 H- G
, ?% E4 q% w# j0 d
set-current-plot "Trends-of-Local-reputation"% C1 B' E L# B) ~
% n. A9 P7 A' m# [$ P
set-plot-x-range 0 xmax
3 i4 T* B# ?4 `+ r- J! u& p" F$ _. U5 Y, j
set-plot-y-range 0.0 ymax4 A$ Q2 t- B- K' k6 S9 A
end
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to setup-plot2( S, ~) U/ p: r5 D% z) f& C
+ i8 h0 Y0 Z, _1 nset-current-plot "Trends-of-global-reputation"
( S5 I3 q t- _8 R. m# g5 B, b2 d1 Z9 f0 g# W
set-plot-x-range 0 xmax& x) Z9 H- y3 j: z5 f% Q% T
. e" G7 v+ A# U( g* ~ n
set-plot-y-range 0.0 ymax
7 C4 U. {4 H% B) k( U) [1 jend
& v; X" p% P. @) z* P7 E+ ` f" a7 _" K+ L
to setup-plot37 `8 l. R8 W8 [* X( E: C( D
2 @; T0 c3 Y/ W Z4 iset-current-plot "Trends-of-credibility"
$ W5 y- P* [7 J* ^% V5 c7 E
4 W( n: ^/ }+ f- K; W$ |set-plot-x-range 0 xmax
& ?, k. [" T, k
& m- i- m# u% ]3 X7 I* Eset-plot-y-range 0.0 ymax3 j" w" V& ^: r: E
end
* @8 q6 q% I+ @5 D! P) \6 r
6 C" J2 m8 X9 l* ~' m; zto do-plots; B$ t# B3 a1 P, q. _+ q
set-current-plot "Trends-of-Local-reputation"
) h+ x/ m7 j3 c- Y; aset-current-plot-pen "Honest service"
$ p i& f$ A' T3 p" P$ tend
/ n$ {0 a/ L' v$ J. T! m x3 w7 U. d, P! Z6 w/ B2 D3 S' N( Q
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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