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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 N: u, U& y" @; p
globals[: u8 F( }; q5 o. W& B$ c& `6 x
xmax3 S" ]3 M3 ~3 k) d; i3 k. q
ymax" s6 R4 }8 `/ o9 m+ U$ b
global-reputation-list
8 P9 f, p3 k3 L% ]& S
4 c1 R2 ~1 A8 o1 E {& r;;每一个turtle的全局声誉都存在此LIST中2 b7 ?9 [# [7 ]; I% _
credibility-list
6 t) i2 ?4 @; A3 I" B# P- L2 Q;;每一个turtle的评价可信度
* x5 j: q' b, a1 ~honest-service& `) g( C$ M3 L3 Q% ~
unhonest-service+ M# H/ B4 E7 I4 j7 ?' m$ v
oscillation
3 A' l1 M9 X) c% h8 frand-dynamic
4 J5 P/ h& q& r9 g: r! {' \]
* I. T4 j! }: u, f* h8 R* ]: H7 d/ z( h# |3 w9 P# D6 P
turtles-own[
3 r% L* X5 v1 @7 itrade-record-all
& U( u V. ^* |7 d;;a list of lists,由trade-record-one组成. F" G R' j% R$ R
trade-record-one& L& w% d" t2 a2 `! Q* |5 k
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
$ I4 L) ^! p! V0 _2 L
' X4 j& s5 \& m, @8 I( R! E* P# Z% [;;[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]]
3 S9 X$ H- ~; Z$ N+ btrade-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]
. w7 n. R8 _: `8 c. c# ^6 ]4 q% fcredibility-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list4 k3 O) Q9 Q% R4 C" Z n- n
neighbor-total0 B# @) F2 f) E( i/ A) K A4 B
;;记录该turtle的邻居节点的数目$ p7 ~6 ? @/ T* ~- D% A2 J
trade-time
. a" o* }$ F% v4 F& {% t;;当前发生交易的turtle的交易时间: g \7 I3 r/ {3 Z4 y# v
appraise-give# Q- S( {* A8 p
;;当前发生交易时给出的评价
. d6 ]" I! _3 a% [1 l. ^appraise-receive
: l! b/ S h- {. K; N;;当前发生交易时收到的评价
4 \5 _# U% G9 U- y! h' wappraise-time
0 S: w6 G# L3 a/ J;;当前发生交易时的评价时间
. A1 |! e# Y6 Q- S; x3 U& o# Alocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
! @( J# o4 ]- N2 x9 _2 Z. g) Z# @ atrade-times-total' N, v' t9 K1 f
;;与当前turtle的交易总次数
" }, ?2 X% l0 y% @+ Ttrade-money-total. W3 g7 o; V" S0 ?8 G
;;与当前turtle的交易总金额: Z, a/ R+ {4 \/ r$ H
local-reputation
% ?5 T6 P3 F2 D( b' Cglobal-reputation x$ e2 W* R- T+ H) C8 q: p
credibility
1 f$ G+ X& c& L* L2 r;;评价可信度,每次交易后都需要更新& E/ b1 p: q1 Z4 I) b
credibility-all
1 `, ]) W9 v6 Z6 f! z- _5 b0 M5 s. 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
$ `, w" l7 F! `/ G# D' N6 ^1 ?% Q+ x' @# o0 z( O! u( a% [) p# Q: \
;;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. K4 B' d% j U: {3 S9 Z/ [
credibility-one9 M% Y( h% U$ H0 X3 j4 J1 Z
;;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
; P: U4 J8 [9 k9 aglobal-proportion
) ]- G/ ]0 w1 ?* Wcustomer
' p& q: e$ s( q% }+ jcustomer-no% \0 E) j8 l: _ g" Z. _
trust-ok
+ o; p: D* ]$ w8 etrade-record-one-len;;trade-record-one的长度3 V B. w& u" {/ M$ j
]9 X i# y! A, ?
: g/ v8 d3 r, a;;setup procedure/ {! W& ?/ |. V
7 [0 ` X7 w- G7 q+ @ Lto setup' @1 N" h# O `+ p
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ca
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7 ]0 r! B* A- P% minitialize-settings8 u, b# ^- P+ u4 z
L. q. C; ]/ K% T- e7 \" l
crt people [setup-turtles] R) l3 i' B9 ~0 n
" [ [. ^( d G l6 B0 j% M1 ^7 Z9 J
reset-timer
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poll-class$ h6 |5 p) n. n- s0 h& q
$ Q G. p# J) `4 d1 K- csetup-plots8 {9 V9 f- }" y- s% V
# I. M" I: w- Q z
do-plots5 ~$ q- F* T+ X8 d
end
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$ N& s! y. K% }. U' `% |to initialize-settings
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# T# d9 y7 g* _) wset global-reputation-list []* c' Q) M* [8 y4 Y: O$ d4 z
3 x! ^# q; e, w: p2 }) H! r( vset credibility-list n-values people [0.5]$ z; G8 f* O8 j# r! o
: W5 C$ C! I& k" i+ b) P; M
set honest-service 0
: D! j8 H/ w8 h- T1 R' f0 Y6 y* E+ E7 x
set unhonest-service 0
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set oscillation 04 a* R( \: g2 g% z
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set rand-dynamic 0
2 }& k& @* s0 A4 E. ^end
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to setup-turtles
$ c0 R, J) `! E9 F ~" n4 ?set shape "person"9 Q# G0 O5 D2 I
setxy random-xcor random-ycor
3 _7 I# F( F9 jset trade-record-one []( {& ~( p8 y- P) `/ \* o0 F
$ R4 T+ Y1 D! d% }
set trade-record-all n-values people [(list (? + 1) 0 0)]
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set trade-record-current []6 l5 E$ N# A9 u
set credibility-receive []
$ o' c, z! A5 dset local-reputation 0.50 S# j7 p9 e' ?
set neighbor-total 00 T- j8 q) q. g5 x% [& l
set trade-times-total 03 `8 {5 O( x. @* Y) j
set trade-money-total 0. T/ N1 F) m: l8 F7 U( @
set customer nobody
" `9 a3 R% l9 u7 mset credibility-all n-values people [creat-credibility]( |0 y) [3 B' K' h
set credibility n-values people [-1]- i2 e# k+ I3 n% {& v% l
get-color) [3 G& W3 S9 t! O4 E
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end* R5 \0 U0 `/ X- X- o
: f4 L& Z, G; A; F8 M, n4 Ato-report creat-credibility6 ^7 s8 i; _6 \1 ]/ L% }8 W$ H
report n-values people [0.5]1 Y& ?5 d4 q' S( N& S `
end
7 L* |+ l& }! l4 E& w9 `4 T" ^
+ T5 N) e; E' o8 S' R0 {to setup-plots/ C: N4 S0 d2 r% O" u$ ^. O
4 \5 ~' j0 L" w: w
set xmax 305 H$ j& |% v$ @ i% [
. H1 P, T9 t# \6 v
set ymax 1.09 N4 M& }. J! G* B$ k. e4 \5 j8 \
. h+ P& E( h2 V; u- mclear-all-plots, K, B4 U) d! q& \ R- N
9 |' W& h7 F; [: l4 ]setup-plot1
1 V9 k+ Z& k/ q0 g
3 d$ M# L1 l3 f2 }setup-plot2
* }$ Q: `" G4 l: I6 E. w# B5 W7 z/ A% ?& ?: T' R
setup-plot3
' h1 x0 C. j& c# `# D7 L9 @" wend
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1 O1 M3 j& M- D+ X8 k# l( g) N8 C;;run time procedures
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! ?2 F3 t Q# D; Hto go8 O, ?; C5 W" @) ~9 o
% G1 u2 }! n) s! A9 Z3 J
ask turtles [do-business]6 a8 [* ^) F/ L- V/ z6 {' J
end
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to do-business
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( g" T1 B$ p0 N" ]' C5 b( ^
- S' R9 g9 ]; f. L+ K3 u0 \rt random 360
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9 C. U V% p0 O3 D+ @# u( ]fd 1
: y0 ~5 z" N1 q% _/ ?! @ H7 c3 |& V% k& t( Y5 S+ G! H# u; L
ifelse(other turtles-here != nobody)[1 P1 g2 r7 \8 d1 v
- S! h( k3 G/ {1 Q9 aset customer one-of other turtles-here
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. u' @4 p9 G B* f0 C# U) X;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)5 P( O) _' J1 b& X% u/ i
[trade-record-all]of self, }' `2 f1 l. O1 t
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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set [trade-record-one] of customer item (([who] of self) - 1); ^+ g2 V; y2 |0 o
[trade-record-all]of customer- e' v( V0 ]5 _+ }+ t
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set [trade-record-one-len] of self length [trade-record-one] of self
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9 F7 ]! D; [) V3 [4 R2 b: r2 T% rset trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]) ]7 y# A- H# K3 l9 }
;;先求i对j的信任度& u7 @/ L3 u3 H/ Y0 O
: u9 s$ u7 L+ f8 M$ d3 sif ([trust-ok] of self)" _" f4 E& q( b; J
;;根据i对j的信任度来决定是否与j进行交易[: ^( z3 O# L2 @( }* _7 o
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself, f: ]0 n- t, z S" ?
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[
4 X: v5 l! X0 L3 d7 v( z: N1 s
6 V) t. V3 b( M% o' |do-trade
+ t1 J2 r& f6 R2 R
! O, Z, U$ ~2 _2 X6 \update-credibility-ijl M' K( d$ s* F- [
2 k0 V G5 n: Q8 I, z( B" C2 Iupdate-credibility-list D% Z+ F& b. V' f7 i3 |
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0 u- V/ [# V/ J' R1 V9 i
update-global-reputation-list
% C% j3 W5 M( ^% E0 g: M, C) d* q( x# J' D3 H# J) i% Z& B
poll-class3 R* z# J9 l3 h6 J0 }' n
3 {' o* [- J: vget-color
$ b+ h( ?3 B5 t3 N" j7 Z
0 o: j3 P1 {6 ~/ }]]
# \8 C1 t* l9 y* O3 S* [8 J7 r5 N
, \' X0 b& K n6 L) K. N;;如果所得的信任度满足条件,则进行交易5 p6 d6 k8 G7 ^# g' L
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7 p! M8 i/ E% p) W& N' e
rt random 360
p# U% A" I) `' g& i
. b! V/ }; T8 q& ^3 mfd 1
' E8 }2 e( Z' ^' P& S$ [& W9 g- K {1 X+ e
/ R: \2 }! G& F3 q1 T5 d]
# c, ]3 x) L# H2 {! k% v9 p2 k; p$ I0 A. _& v) D8 E
end# b1 u* G0 ]# y
# j' {5 \& O5 s1 z; t4 n5 {! a
to do-trust
$ ?! ]! s, G( W6 Z9 B# ~" w# ~set trust-ok False
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! o$ I+ {- k' Z
let max-trade-times 03 m8 _' I$ w+ h7 a: y
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
* V" N" \, P/ i% ^( e# Xlet max-trade-money 0) E* {2 `+ F( A/ X4 D
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
/ Z/ {: l/ z. Q" x9 O% A4 b/ |let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
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( ?* z# x J- g, k) j3 t9 A' v
get-global-proportion. \8 D, E+ ? r$ {2 \; q
let trust-value4 x# Z/ Q8 r: ~/ [0 w
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)
' `9 L% h6 J$ v6 u; T8 Yif(trust-value > trade-trust-value)
~ I. T! g( _2 _5 \[set trust-ok true]
. Z4 A- t$ a1 E" I/ N9 j- d, Oend. c! a* r2 {4 ^: o2 F. B( ^* r
- W h+ b0 W* {
to get-global-proportion
. }* z5 g) b6 Z; difelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
, ]6 z3 V1 ?, O; o0 g9 E[set global-proportion 0]
$ N6 h, S+ e6 q1 n z, f[let i 08 u1 z# a2 k+ o0 c* T a* H
let sum-money 0. c. l4 u' @' \3 ~3 f; J% L, H; W
while[ i < people]
$ L. V9 }" D* c1 S7 v5 D[, X, r( ]$ r8 I, }. N
if( length (item i# ]/ n/ D& q* K3 s- L1 d( N9 @( A
[trade-record-all] of customer) > 3 )
% U- v% g2 p% e' K, H. Z[. r0 o- i( Z) ` G, u7 k9 P; e
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))& ]8 R2 A% R( ^" X# P
]/ x4 m7 G5 `) v( M$ @" n
]4 l" |( H( R( s# C4 M; A
let j 01 V: T5 l( Y4 i" Z( f
let note 0
2 c# N0 _- ^' _: o: m' C. b1 n% Fwhile[ j < people]0 M4 D. J2 Y0 k8 C
[
& _ ~5 f0 o' W; r3 Q1 ]* Cif( length (item i1 C" {, z8 P9 ^- q+ M
[trade-record-all] of customer) > 3 )
1 d% N+ U1 l" \' h- y[
" ~( z' j# p' Q9 S( Eifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)* B; `1 |3 R$ f! e" c3 V) E0 o
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
, d8 y+ ~( p* B5 L/ Y2 q3 l3 s[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]- {8 w7 \9 z% d. g! i8 p+ X" T
]. c: ?; C% K+ J o0 P) |
]/ `9 s6 Y/ s0 Z) N4 M
set global-proportion note
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end7 R+ h7 [. J- N Q! c. W. H
. ^' \2 b: ~ A( n6 ato do-trade% n4 f% ]$ T. ^/ K6 R8 a* Q1 K
;;这个过程实际上是给双方作出评价的过程
: w0 V+ \2 R% M$ ]( tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
% s0 k; x" U; h& Wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价5 ]+ } G1 o! ]/ O/ z0 N' ^
set trade-record-current lput(timer) trade-record-current {/ ^; ]( E* s b& ~
;;评价时间
) A4 @% Z/ I8 U% L gask myself [6 r2 F* i+ ]2 f0 \, p/ U6 }
update-local-reputation
/ r5 c+ } G, i5 O1 u3 v6 d/ Dset trade-record-current lput([local-reputation] of myself) trade-record-current" ~) C. E, n2 G/ q; \* R& ~
]
# c. E3 W u5 l0 i' mset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself; q. Y' k7 ^' B$ @" Q
;;将此次交易的记录加入到trade-record-one中 @$ `7 Z. u/ l$ h* l
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
/ j, g3 I f3 c. N) i1 F s- o) V3 B8 wlet note (item 2 trade-record-current )% ^$ U$ M$ E. U9 x- a$ u% L6 z
set trade-record-current1 a$ V% f3 h: J( N8 N8 W, b {
(replace-item 2 trade-record-current (item 3 trade-record-current))* Y6 ^$ A3 q3 d( m, o
set trade-record-current( g) X& q. m* r+ m$ q9 }
(replace-item 3 trade-record-current note)
]3 Y) P& L2 l
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- z/ ?. W; q5 m2 t( L4 |ask customer [
+ }, c2 v5 L7 O) aupdate-local-reputation- x% Q5 d4 G- |' p; P |
set trade-record-current* S7 B1 }. Q1 R
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ( S( K4 {: G4 O( f0 r" C z
]
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3 U7 t. @3 P v- Jset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
A* |; |3 M; z' l
* i# g+ K/ ]% T, e- i- x/ cset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
& W: M0 o! ^: R* B! i9 ]* |;;将此次交易的记录加入到customer的trade-record-all中3 _7 F3 E$ F. c2 D+ M
end u" c, b( } U& v0 E
" {0 H1 Y* q7 w% m K( s
to update-local-reputation
* _% E( o& E& P, G- F Hset [trade-record-one-len] of myself length [trade-record-one] of myself# D* J! C1 v3 ?" B9 z7 @. c
2 `( V7 X) S" q a
4 ^" J' Z1 V# C1 k
;;if [trade-record-one-len] of myself > 3 / q! U" K" J" t( M; U
update-neighbor-total
: B0 ^0 V: t& ]8 g: E! l7 ^6 r;;更新邻居节点的数目,在此进行% U, N2 ^+ z: w% s. F1 p4 r
let i 3+ T/ J8 L% x W4 i5 D6 ~* e9 ^/ z
let sum-time 0
" u+ ?3 [6 _7 S5 Z1 k* H- W( n6 Q2 z/ kwhile[i < [trade-record-one-len] of myself] {3 V/ S! J2 p8 ?; G$ g
[
7 S2 Z* K% [0 j1 G) xset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )3 L q) A- [; N
set i# r' F$ b/ t- e' k) U3 [
( i + 1)+ F+ r+ j8 p+ b7 o# t! N' q
]
& C O: X @3 w Hlet j 3
( P1 E$ ~0 Y3 @) C4 v& Xlet sum-money 0) K0 \; U0 p% W5 D$ A! L) K
while[j < [trade-record-one-len] of myself]5 f2 ~! p4 V; [: v: s9 Y9 v
[
/ R0 O3 A7 k8 C, ?4 x0 aset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
1 r2 G6 C/ ~4 ?# a1 W0 N }1 S5 gset j2 C% G& Z; @. D( a" W2 _, y
( j + 1)2 t5 K5 \/ [/ |' q/ {
]( O0 t4 o' I3 M9 I, F/ C- s
let k 3
0 B' P# J1 K4 j" Glet power 0" o& d3 [! X+ x/ r7 _
let local 0
' G8 I6 s' |5 u7 c; Cwhile [k <[trade-record-one-len] of myself]
; p' x3 ?6 V+ D! a& V3 f; Y% |[
- Z, g& `8 N4 @. Yset 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) * c' b" \/ v ~5 u% K+ U
set k (k + 1)
, q9 j9 D* \# K6 k]" r! C5 m* S( q1 S' X4 M
set [local-reputation] of myself (local)
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5 X+ O3 N9 c. z4 y5 Eto update-neighbor-total3 U l! G% t# u3 O( m3 m0 \! ?1 S: d. b
& v. t' ^( r. c8 }2 @
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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end
0 R% A/ A& ^* S# w+ x7 v2 w8 `
; x7 U9 J3 M2 Zto update-credibility-ijl 8 s( d0 R$ M3 [9 N7 b4 H+ Q
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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, ^- h1 x% X G# N
let l 0/ D( i i, p! e& p2 }
while[ l < people ]
- r. z- G+ f0 Y9 x" _2 d;;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)
4 V, V. @8 y( \5 Lif (trade-record-one-j-l-len > 3)
' C6 r! a; W- D. [$ A[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% [$ H4 W! z/ y) Q0 z/ g
let i 3! N' V9 L: B: |5 A& F4 ^7 _7 q S
let sum-time 09 E/ o: C! Q; g
while[i < trade-record-one-len]0 T# R. t! Q$ t6 W+ R6 x' @
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
6 i" B! h0 v1 f1 Z2 F8 bset i
* O# ?6 j+ E% B, z$ r: i( i + 1)* ?' H8 u" S: S/ c) ?
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let credibility-i-j-l 0
! o G8 z7 r5 ~& ^3 f;;i评价(j对jl的评价)
( j+ ~5 J2 H& W4 x, @let j 3
' a' I' E6 K# M# blet k 44 F/ }* b, c5 M' @: N
while[j < trade-record-one-len]8 x* n, r2 o7 J1 q; ^1 C: M
[) S O: @4 ?" W$ v
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
4 t+ K3 @6 k# Lset 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)
* ~$ F4 o8 O! W$ zset j3 w a. w Q8 ^) _! R, i3 q
( j + 1)1 t. g% l8 z1 M" a
]
3 U Z( B3 E' R& E( uset [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))* I0 X% G6 x# s$ p. Z" I
;;及时更新i对l的评价质量的评价: X- o& {. M* t" n/ J, o
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]% y+ R: ?# L {" n& q/ D% T! m
set l (l + 1)
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/ G. w& O9 C `7 ~* j1 @end0 E- t, |/ f: z- }3 B( o9 l f
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to update-credibility-list" T/ @9 C2 N8 [$ a2 ?
let i 0) x( g7 H9 n% Z* S! M% s
while[i < people]
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let j 0
. J F# l* T' V- F; Alet note 0- g$ C- ]$ j; k# T' n! q9 |9 T
let k 0
' B9 Y7 c q4 w+ @;;计作出过评价的邻居节点的数目
3 @. g8 Y$ ~+ }- l2 l6 x, v1 ?while[j < people]$ H7 k3 ]+ v* L6 n" \ K
[
0 S" A- @# j% p: g: `. U q6 Hif (item j( [credibility] of turtle (i + 1)) != -1)7 L' I/ F+ V8 o! {- ?. A) T- ^4 m
;;判断是否给本turtle的评价质量做出过评价的节点
i& P5 f( \6 H5 W[set note (note + item j ([credibility]of turtle (i + 1)))5 l2 J0 S# e1 M: B
;;*(exp (-(people - 2)))/(people - 2))]
2 q1 T+ |- q U9 [" T! Bset k (k + 1)
( F: \* L7 r# X]
# u& z& P3 ~3 qset j (j + 1)
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set note (note *(exp (- (1 / k)))/ k)# E8 R+ K* X6 D# `9 Z
set credibility-list (replace-item i credibility-list note): e4 l b0 t" G9 l$ s0 `
set i (i + 1)- _2 I4 \0 h" V) T8 [
]3 q! V; {1 g5 ?: E# J
end
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to update-global-reputation-list+ v, Q5 O: D' q8 K
let j 01 W* u$ ?9 ^3 b4 y+ f: R
while[j < people]) X2 F) Q$ E2 a* M1 r
[
7 B" O( ~: v* ~0 q3 l: A' d: ^6 z$ ]let new 05 ]7 @5 m" w7 r. ~: [$ R. r
;;暂存新的一个全局声誉
' ~ X( W5 s( ?$ P0 J% nlet i 05 J$ e2 z, n l( O* U
let sum-money 0
2 B3 j' R& J9 l7 o+ D9 E/ M9 llet credibility-money 0
7 N1 y @ p3 p( u* f A, jwhile [i < people]/ v5 q# k/ L S( s* i
[$ t) \6 I S9 \# Y4 ?( Z
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))3 t: V0 ?( M. b: a4 u: T
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))8 p1 z5 J. D; j# r0 k
set i (i + 1)5 ?- c" r$ ^4 V9 o( h3 {5 [
] |% A! u* A' |7 P) j. P/ i
let k 0
, g( ~# x0 X- w8 e3 wlet new1 0" P& O5 x* K, W: ]3 d
while [k < people]! e# C: G: b- w4 Y
[
1 D0 P0 c; f! h9 T3 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)+ V' `! ?# t! {. P5 t# {! Z
set k (k + 1), j* z( r8 D' D/ Q: \
]
. L: [" @5 W4 Q/ L9 jset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
1 e2 _3 }3 S( ~) P' oset global-reputation-list (replace-item j global-reputation-list new)
0 W' O' P' f$ T% H9 D( J0 C# l$ tset j (j + 1)
@4 V$ F* W+ U6 w ~2 s]
0 Z& t* T, d0 j7 @3 h3 \) s. Bend y5 X; C0 @$ c
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. f! c: a) s( t! t, A _% `* Pto get-color
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set color blue
! _1 G& w1 t6 y5 o! d2 U! o5 hend
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to poll-class1 o; o- `, @5 B { y4 S0 F% q& W
end* X8 F5 V3 F# o% w) u2 J
, T* }, l2 o5 [/ W- @$ A! Qto setup-plot10 h; p3 ?/ _1 u5 h y9 d9 {
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set-current-plot "Trends-of-Local-reputation") t" B) G4 h+ D8 e% E
, Y! E* B$ i# U( Wset-plot-x-range 0 xmax( X7 m) ?; c! J8 ]
4 A! Y- F# m( d: iset-plot-y-range 0.0 ymax3 u+ g! | y' z
end
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to setup-plot2; B- `" q0 i# I! N$ y0 M
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set-current-plot "Trends-of-global-reputation"
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set-plot-x-range 0 xmax; K8 h+ _* ^; h& y* B0 v6 j8 \
( _" N. q6 y: j: iset-plot-y-range 0.0 ymax0 I4 I3 f; N. }) ~! K' x/ y9 a# ]
end
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to setup-plot3
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5 e& ^- ^; H) Q& z/ qset-current-plot "Trends-of-credibility"
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set-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax( e. L6 z6 [ Z# I; k) k
end7 k1 Q5 @: C# @$ _, R2 G$ O
1 u* a' g" a4 r# Jto do-plots; z: n7 q% p8 j
set-current-plot "Trends-of-Local-reputation"
& ^, w- t: z9 e) Gset-current-plot-pen "Honest service"7 i; q' C7 f) Q, s3 {- W, C
end* C0 f# \: i) ?3 {" W( @3 R# x
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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