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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
) C, {0 _" C) @" W. W5 wglobals[& o& B& @8 @( z0 B
xmax0 t3 A8 I5 }1 H1 O# g& F
ymax
/ W) f8 {' b* V" A0 g, eglobal-reputation-list
$ b5 ?4 L% N. @* b6 Q; X) l) V4 k0 I; U$ u
;;每一个turtle的全局声誉都存在此LIST中6 S. P- L1 F2 `5 L' T
credibility-list9 [+ V2 C' e: E9 ?6 ]
;;每一个turtle的评价可信度- P; f& `/ o- C
honest-service2 ^! P$ r) a; Z7 v m: p
unhonest-service* g( E# a1 L y9 P0 h
oscillation$ i4 @+ c8 x P9 W
rand-dynamic
) p3 m2 B9 Y7 W2 F]- W- y1 Q6 Q2 ~4 K5 ~
5 v' Q% s- E! n7 n: L1 A" Nturtles-own[
) S/ f3 S* _# `) M+ x5 Dtrade-record-all2 w* O5 e) I% V8 b, L' A! |' v; h
;;a list of lists,由trade-record-one组成
2 n. o$ p: p% J# Otrade-record-one
: f* U$ \: Y; W% V3 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
1 |* w6 t& P! n% B+ H
! P' S" [* p/ g, W# Q;;[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 W! n7 z) F% y$ y3 L/ ]$ U. L
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]! e# v0 }) B! r5 M: x% o- `
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
0 m Z P- n2 W5 C) s# E/ e {neighbor-total6 n4 \: v, k* s# [
;;记录该turtle的邻居节点的数目
8 R7 L# P$ V5 J" O1 _+ Utrade-time7 y2 D) v. W9 a/ H. r
;;当前发生交易的turtle的交易时间
! b( e% h! O- E' N" a" F" dappraise-give
9 j8 d6 a) o" U" c6 o+ |2 E;;当前发生交易时给出的评价
. F; H' r8 H) S# O: k' a6 @% I3 gappraise-receive& t' L3 v" R; w+ A* y5 o6 h
;;当前发生交易时收到的评价
$ a, Z9 P; W9 O5 M, W) _appraise-time
9 {2 N" o& D5 S2 `' V" x;;当前发生交易时的评价时间9 R: o2 \4 f: c+ W1 T F0 n
local-reputation-now;;此次交易后相对于对方turtle的局部声誉& `5 E# p/ v1 L- A# i& {
trade-times-total
* ] h2 H, Y1 ` M) Z;;与当前turtle的交易总次数' a( o& W+ W+ f3 ^5 C
trade-money-total( J. ^! e* k) X
;;与当前turtle的交易总金额5 d1 h+ I% p- Y. D& Y
local-reputation- i/ {/ D- N( E3 p5 | }
global-reputation
; G! P" T/ z) G* r% [. Q* T' ncredibility1 x9 V( g4 I2 s0 Y$ j* s9 B+ n. b! H
;;评价可信度,每次交易后都需要更新
8 ^7 J1 ~" ~( Scredibility-all
* S6 P/ |2 i1 U1 Q0 c;;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
2 }/ r& W/ x( W# Y' g& `: N& ^; r
/ B( h8 C# T* {; z* A& Y3 B* v;;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0.55 X$ y# N o- I( b B; a5 s1 l
credibility-one
8 X5 U9 S) [# w% x1 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
7 w7 @+ e* }8 e2 q ~global-proportion
7 @1 Z0 R& V# D5 X; Fcustomer3 D f' [( Y' J t) H4 w; _7 W2 T
customer-no0 a% F% n* R( Y* A6 \0 R
trust-ok
0 U3 z% e$ p% b4 Z5 htrade-record-one-len;;trade-record-one的长度
& ?; {: f3 D6 e! x4 m]
( L7 e& I: [( Q8 |- G% N) ]+ A& D" ]9 X# R- M
;;setup procedure
8 B( ?! g- v$ E* @# D6 K& d6 j. z; K# |2 \& M* V
to setup
9 c+ Y$ c! g" D
! Q) J. c" T y4 Vca. E1 o9 Y( k& ~
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initialize-settings" @1 @0 [6 F8 @# \4 ?5 ~. v6 f y
- D$ w4 E: t4 z2 v; Xcrt people [setup-turtles]7 C7 r2 @" y, g) O! d$ z
8 m2 x# r! F! R( n z h% P& [
reset-timer- F7 ^* x/ V0 E7 |/ Q- x& e' Q
8 O( Q* \* o- Q: w7 j
poll-class
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" c N y% ~. O) h+ Csetup-plots2 H6 L) K2 t- c" S9 [
. T" A% s$ R" E% z R8 ?6 r4 sdo-plots
8 d" p* t8 g" s1 \6 u- b1 ?end
( p* n( U) N: b% l& V% ]# h- a' \8 H; u, q, g. I5 ^9 N
to initialize-settings3 U- q) J+ V' q0 G
9 s: e8 O4 ?5 R N5 lset global-reputation-list []7 j5 }* T1 n L7 @
V: V/ b! q1 S3 d6 q. ~7 o0 E/ n3 Wset credibility-list n-values people [0.5]
* {- Z4 L3 U' S& Z3 L8 {3 Z1 n8 v( R, l* U* C3 Y( j
set honest-service 0/ h& w9 B, Q7 U8 Q
* B% H- D b$ j4 b8 l4 Gset unhonest-service 0
2 Y6 ^- t" l; z/ e j
" T1 n' b4 z9 A7 Dset oscillation 0
2 l5 a. C' D, K" I1 \8 F5 o) G G/ ?- a3 [
set rand-dynamic 0* d7 D' O3 d( Y8 b5 C/ ] U: D3 y
end
5 k) E+ \2 C b" q w3 y% C6 f) b/ m! [. D; q+ Y! f% k# b* C4 C
to setup-turtles
3 F1 D" k3 t+ v, T' tset shape "person"
+ W- D* j B% d2 q, c+ z8 esetxy random-xcor random-ycor1 `. g0 y; @" k7 ?' j
set trade-record-one []
% h( s0 z1 }% w# f$ g
! w1 [! p1 A! N2 Z3 Q# bset trade-record-all n-values people [(list (? + 1) 0 0)]
9 K1 q) f' \+ q, z0 d
2 ^' T& I% |+ t( c% [set trade-record-current []
# Z; G- y; ?0 r. w( cset credibility-receive []' U. r) K8 a$ [9 N% Z3 d
set local-reputation 0.5
( T( A( ~1 _- k- y! x! ^% q( x+ dset neighbor-total 0
0 X8 S$ G0 h1 m2 _# Qset trade-times-total 0$ @. v4 U. g! o ~; j. ?. P7 b _ L
set trade-money-total 0( \- }. x4 S2 l$ K H
set customer nobody
- F+ i% {! L$ J9 M; ~7 Aset credibility-all n-values people [creat-credibility]6 |. X! I C; t. ~+ n9 ^
set credibility n-values people [-1]
$ b! p* ^# N- K' Oget-color
( |% _( N, B" U! ?5 P. b) w) }/ v: v& v
end
4 J. j" R# |4 s9 F! t T- l
: s5 J' b1 a, l7 N$ _' tto-report creat-credibility1 c4 b0 O& M. G, D& U/ g# p3 k4 F
report n-values people [0.5]) q5 u' i2 w% N. ^2 ?9 o
end
: f; G7 t! m! z: z
) |! f, F4 U; j3 b8 e: c1 Oto setup-plots
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set xmax 30$ u Y- m+ f- O1 O; y
! A* R7 q) \8 p1 oset ymax 1.03 A' t5 }4 ]" a
2 ?$ y, O9 I! \7 r2 s8 B P% C1 T! X. G
clear-all-plots
2 ~2 w4 b( h" r. y3 t
) c$ Q% j: t4 | Nsetup-plot1, Y% e/ ]7 v7 r/ D. z# `/ i1 d5 P
+ N0 u3 P* G& h' t6 T8 ssetup-plot2
2 p0 e9 v% C1 {
4 Q6 `8 o' B5 u+ Z# u5 Fsetup-plot3
! q' ^4 W) u- z6 L1 u1 t& Send: Q+ S- A" ~, k K" K: j
$ s) o, X/ @7 @4 d
;;run time procedures; A) K. o. Q# `( Y
5 @5 v6 G5 n4 H+ @' }; uto go0 u! x P+ {* F6 s% K; N
" L# Y8 h( ^8 S- hask turtles [do-business]
5 p+ O1 n9 V- C. a0 y- }end
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* u6 ~' r" ^3 `; Oto do-business 0 f0 I' e7 x" w) `* {; q
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# ?4 c) |. _- r* Wrt random 3607 N' \! Q" p: Y1 `/ Z
9 ^( ^! U3 y9 q& l" g5 C7 D
fd 1
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- t4 V) p0 k: Oifelse(other turtles-here != nobody)[
h' D/ E3 O# ^
7 u7 k9 a5 ]- B" x, a0 J+ S: N& Zset customer one-of other turtles-here
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;; set [customer] of customer myself
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' h5 u: g1 p- Y' yset [trade-record-one] of self item (([who] of customer) - 1)0 F' z& Y- P9 v, X7 m
[trade-record-all]of self
6 H) j6 T% j6 c3 v" P;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self/ ]1 {: N- p' w3 X6 x. M
# M* w$ Y1 C. }! f0 \3 nset [trade-record-one] of customer item (([who] of self) - 1), w5 n6 Z$ k4 R! O
[trade-record-all]of customer
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+ {! J3 _8 P0 x) y( M! W% V" `set [trade-record-one-len] of self length [trade-record-one] of self C3 W6 l" P" ]( V6 j5 a
, R& `6 V/ \! ^& ~7 w1 x: \
set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
5 _+ V n( @1 j5 u;;先求i对j的信任度
" X2 o" _$ r2 Q4 t& Q
5 W5 R" y- \7 p7 w- t- S% gif ([trust-ok] of self)
# P8 U* K3 [/ L/ S;;根据i对j的信任度来决定是否与j进行交易[* _6 Z5 Q6 i7 H5 n/ G3 m" E
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[
# j. y2 A" A% K2 m2 b, ]
7 F2 a( | {4 x' v+ `( B2 edo-trade! J ^+ g8 K5 y8 T! s- C
+ I0 d9 O5 R0 n: O; J6 Kupdate-credibility-ijl. ^" v6 }$ t' ?
8 L5 t8 L& }2 N' @: @0 N6 p2 n" _update-credibility-list
+ L! k# D% y9 e+ X A( D" I+ C. y; y3 d9 T U; n2 x, l3 R+ |
6 W% j( g' b3 J% M) gupdate-global-reputation-list5 c) j5 S% H! a2 J( q
; D, O& J. W# {7 Xpoll-class
1 o% x' c8 a/ \% V2 O0 n* n6 C: Z" H# @* u6 N' k
get-color
" g( N6 G8 z: b3 h# S$ \# D' k' o8 B: N" P% X6 w' T$ }2 }
]]' h( ^/ Q" S# Q6 `8 E& T
7 `. o' ?$ u) X) d# P;;如果所得的信任度满足条件,则进行交易5 J+ z* U. O% C3 A) Z [, A
/ m8 ]; v& Y* _! l x) V
[5 T5 ~- z! ~7 F5 k1 C* B6 d0 i4 ?
1 B- k \$ @4 c+ u1 U& F8 [
rt random 360
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! ^2 c6 y2 w+ s" B' t5 k: Cfd 1 ~7 J0 x. q6 _( E$ m' q/ C$ r
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]* n8 L; j h/ T" y/ w3 l
/ S ]4 F# @, l9 O* Eend* B; I5 @5 y* W( Z3 L1 v: s
5 v! ]: ^, t! ?' W$ F
to do-trust * q3 k' s# b9 K; v j" ~, z: {' D
set trust-ok False B6 j) {1 Z( H/ C0 G9 J
0 s% l9 @! z$ x5 L" O1 w. f; j- q
4 E! g% _: I' e# _
let max-trade-times 0
$ v7 x& R( K$ [; ]# z+ P3 n2 nforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]3 {0 r4 D# }7 C6 |7 V
let max-trade-money 04 r. O3 y; i3 G. L/ {) x D
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
; P1 E8 [) X( H a3 y5 h1 v" Vlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
. G( T! k9 n3 b
! W7 P: ~$ w) J! x' H" q& B$ {' C T j# X6 `
get-global-proportion# B) g% x$ r. C3 q: J
let trust-value. I) z+ n) j4 M
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) k# i7 E1 j; @& X' I, P) e+ v
if(trust-value > trade-trust-value)
|, p a, E/ r) _[set trust-ok true]/ i! W) M1 k/ Y7 c. }: R) l
end
0 h; s7 C1 c/ I# ^4 p! x; H* U* V% R
, B# V* f y: y4 ?; L) Xto get-global-proportion
/ A8 \( x( U2 Sifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)3 C: @0 r. L. j! u1 u
[set global-proportion 0]
, R( n# u- z% ]# c0 A1 T[let i 02 a5 ^! ^: o4 L3 Q; v) l
let sum-money 0) p/ w6 h5 s/ T. |, v6 l- R
while[ i < people]
5 \/ u7 e7 P$ x2 `, |; @[$ N! C# G W w) T7 S! o) m
if( length (item i
5 O9 v+ \7 k. M; r# y/ V/ I[trade-record-all] of customer) > 3 )
$ T4 P0 m' Q; Y2 o[& x& X- w: C4 w
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
8 K( a5 F( i$ I1 K1 D]
0 V5 T* M4 {7 Z* n/ f0 i" J]% T7 n7 L5 k0 F
let j 0
$ u: N9 @/ Y+ U4 G6 T: G1 C3 slet note 0
- }& J* r a- s4 Bwhile[ j < people]( b: E* p# ^1 x0 l a0 C) ^
[
g$ M |' x. G# a3 Z5 [if( length (item i
3 M0 }( S% l |9 G1 v" Y. O$ `6 y[trade-record-all] of customer) > 3 )8 n$ b3 F0 v" o n
[
) w; D7 M N4 [- H6 `ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)) y8 ]5 f1 q, }, j- A
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]; I0 M* s( F) U9 n
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
9 s( m4 }% I7 N) {]; h& J9 @$ t# P
]1 B/ l& h% ^8 c: z ^2 ?7 D8 X1 k
set global-proportion note
; ^. D9 U7 {& J9 T]
$ k" R! [% |4 V r0 a; hend* ^4 b* G& l) Y! M9 V4 A
3 g- p, D/ @) [/ r" _( w1 M6 J
to do-trade( q$ B% D' ~2 A5 g8 w' r! n. I0 {
;;这个过程实际上是给双方作出评价的过程
4 [) z" U7 C6 D1 {% Z( Tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 m& t: ]# ^ m3 F8 p0 m) t8 Bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价/ t C8 G# M; A+ {/ J# p4 H, i7 `
set trade-record-current lput(timer) trade-record-current
; E: v5 z- @$ h% a$ C5 N% s;;评价时间
6 u9 f% B' M. F8 lask myself [
" o8 {) I( Y+ F5 r! Bupdate-local-reputation
0 _9 U+ Q" I' C# H Zset trade-record-current lput([local-reputation] of myself) trade-record-current4 U V& L$ h" b5 M: G8 D: J
]
: M' I( n2 Y2 X( u6 wset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself1 J8 {' D- J% A, z1 ?* o
;;将此次交易的记录加入到trade-record-one中& a! [- \5 g7 z+ s( v' U( n0 c* t
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
6 Y* Z2 J& w) k" { U flet note (item 2 trade-record-current )
/ X% m& O% K8 E2 bset trade-record-current; f$ b1 ]+ R* E/ ?; v1 `/ @1 S
(replace-item 2 trade-record-current (item 3 trade-record-current))% ~2 ^$ n. V( U- x6 k
set trade-record-current1 V" P F) R& I
(replace-item 3 trade-record-current note)
9 [& f( o7 Q9 Z6 D1 p5 Q& h! A* V/ j% @% t
_3 H# w2 g3 N: ]0 Task customer [
b; |( [' Q$ j; l9 w/ {update-local-reputation' E) E9 g% Q" A+ h9 _. ~. M6 x1 `% }# [
set trade-record-current
& O$ h% h2 D( a* F& T B6 n9 E% R(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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" ~/ w; P: D$ ~- U4 d. m
( j: u0 \$ N" Z" `set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
# i4 p" Q8 U3 D8 ?1 n# M% k2 }- g, u5 T% O
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))! o% z. c. u4 ~, {) ~# b4 r
;;将此次交易的记录加入到customer的trade-record-all中! c4 v9 e7 S3 M8 p2 y! w: [
end
* }2 J8 w3 U( z9 _& a" p& N
) X1 }, S, U9 K$ {to update-local-reputation5 T% A! N9 C) `. n/ h. @
set [trade-record-one-len] of myself length [trade-record-one] of myself2 ]8 T/ ?+ X. [
5 ?9 g1 ~' c2 h' _. f; v$ ~5 d
) V2 F/ {. s0 {3 _- G* c;;if [trade-record-one-len] of myself > 3 0 o0 O2 @0 P! I7 ~7 J3 n: \1 f
update-neighbor-total
& G( L& a% a+ V;;更新邻居节点的数目,在此进行
" U/ a4 s+ @3 a. Ulet i 3
7 O- x9 a7 U, h: e! mlet sum-time 09 ^ L. G! X2 Y h E4 D" L
while[i < [trade-record-one-len] of myself]; o. H* e5 k, m
[. z; \" r( m" r
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
6 Z* X9 w1 X0 c0 K, B" I+ Oset i
, F8 [# q# d% Q) \2 @8 H/ c( i + 1)
! x# ? [4 x# p, W]5 U! b9 v) F+ E" C9 a' i3 u
let j 3
+ v ~: M7 Y$ T0 J+ X( glet sum-money 0
) m+ p8 C$ P* r0 u. f& w4 H( Fwhile[j < [trade-record-one-len] of myself]
8 l; U7 _; [7 a b6 v; Q[ ?6 y! i& Y" [. Y S* w% E
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)
0 i" I" C# d* P; mset j* P- _+ U7 P' P3 ^: O. _0 Y
( j + 1)
1 Z, w% m3 G$ s5 P]0 | v3 X+ R+ f! H
let k 3' P, X1 z: U- z# i" p7 w) I, S
let power 0( J4 u2 c4 P3 S
let local 0! G- o7 l% a7 x: t, e9 Z2 k
while [k <[trade-record-one-len] of myself]6 x( {2 q5 r. A' q. ? x
[. W) U; ?4 o3 B
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)
. B- a/ B* Q, F# M1 f$ _) h; Eset k (k + 1)
# b; X1 W% {% c% ]]
" r$ B- W5 O/ J' n* Jset [local-reputation] of myself (local)
; A5 B. s' g v7 bend# R& \8 T5 i0 B% t1 q: `0 V
; A( ~0 ~0 n! V) ~$ n. Wto update-neighbor-total
; l- L& p8 i. A4 M* D. p8 d8 h8 ?9 {" P: Z" _ M
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
3 `8 f" O$ }, u8 R
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end
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/ @2 B6 D5 j8 p0 l$ [+ V" ^( Bto update-credibility-ijl # B5 V3 H; ]1 r% ]
4 O2 [7 i2 I$ W
;;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。
& p( F! J3 t4 B+ [: A+ olet l 0. P9 C) R% C! R8 e( X% g
while[ l < people ]
& e8 \' M; w" L. F;;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& @7 f) i5 S0 v% Y
[
3 f7 X8 P4 [3 J$ x! I |let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
9 r' @ V8 d9 ~) q4 n( F" y Kif (trade-record-one-j-l-len > 3)( Z( ?" \* a1 L9 L9 H- |% \2 \; ^
[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-one9 B+ y$ |; i0 i# I* T8 U6 G
let i 3
+ O! J2 m' V) G3 slet sum-time 0
% [5 L1 K' I' z* c2 a3 iwhile[i < trade-record-one-len]5 I" C. O* j4 A8 D/ R( [
[, l6 U7 ]' ]# {* D& P
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
- i* _! B, V; u* s# d" w1 O) \2 zset i* j; q0 a7 i% y5 C M
( i + 1)' d+ n+ R. y4 p
]
8 L" s: ?9 Q$ Q8 `5 t9 g9 @let credibility-i-j-l 0
7 y2 P0 J& S, q* U% }. Z5 n% U0 O;;i评价(j对jl的评价)
/ h+ z9 G3 J( p6 n& nlet j 3
3 Y1 o0 f1 [! n q& G/ ^$ `+ zlet k 4
$ ?: o/ e5 {8 g. A* W# zwhile[j < trade-record-one-len]0 n( x% c% l% G$ D9 E+ v
[
' K, Y) b6 W! I2 J$ ~; Swhile [((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9 X) W; V! ]/ ^, l* S: O
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)3 ~3 C. A( A: \& i3 F+ T
set j
3 b& d2 {4 I/ t( j + 1)
7 R6 Y+ S( C8 \1 O; B: W+ T]5 h7 s( |( W: i
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 ))4 R2 v5 Z0 ~: p+ [
T. |1 N |: B
8 W, g5 {) R- j4 t* o/ Alet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))3 ~ p0 ~+ Y% z/ R6 b
;;及时更新i对l的评价质量的评价
: M5 H7 n1 u8 x, `) aset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
1 k( p9 G$ V0 g, Iset l (l + 1)
: P) m( |* D, c]! _. p! ~# N5 g
end
# o8 ~: J+ i+ y) [7 Y/ a" Y* {7 S7 Q6 z" E7 u
to update-credibility-list7 T+ z/ X, z" `% ~4 m
let i 01 o9 y7 q G1 n
while[i < people]
& w4 v$ Q3 m( G7 t& M, J[
- [. ?8 \- r/ |3 Wlet j 02 D& Y& ]5 h' \0 c
let note 0. C2 r0 D/ c( e
let k 0* l) E( Y/ o2 q7 m n) z3 W8 @5 B
;;计作出过评价的邻居节点的数目
8 o) T1 g2 K& Wwhile[j < people]
# t! ~7 B9 M' t! h[1 _# l) h; D1 W* n! `
if (item j( [credibility] of turtle (i + 1)) != -1)- O) Q+ t$ ?5 b+ ~6 K
;;判断是否给本turtle的评价质量做出过评价的节点
' [ B( G) X5 s* _2 v4 Q% E[set note (note + item j ([credibility]of turtle (i + 1)))
Q9 f" I! e. l% f7 M* L;;*(exp (-(people - 2)))/(people - 2))]4 D% m u! x; D4 Q6 l& V
set k (k + 1)0 W) {4 U, J* p+ s7 Q9 F
]
7 m6 v X5 ^! p. n+ a* B+ `5 I* tset j (j + 1)
+ X* J. C8 Q6 G) f9 n8 K3 D]
6 \+ K8 P# T7 i5 w" ^set note (note *(exp (- (1 / k)))/ k) E3 w6 ~7 `3 a* \5 W2 x& E
set credibility-list (replace-item i credibility-list note)( c: H- [, b: k6 M$ F
set i (i + 1)
; [) o4 i- e: Z- l8 E# K]" J3 N1 ?" q1 \0 l$ n; `7 W! w5 I H
end
+ T" Y7 d" z' R3 K4 Y' u# f6 H, \- q9 G1 O' I* S
to update-global-reputation-list, |1 G* e; ^3 g% t' i
let j 0& v; X3 N" d i9 ~
while[j < people]
* x) h! B3 O; \/ F0 \; e[, ~, T' W( z' O" a
let new 07 u: u! s1 s% I# {/ e- j, F
;;暂存新的一个全局声誉$ L1 K N0 f. w8 O, q
let i 07 W( N8 C3 b& ?. }
let sum-money 0
; v/ @3 e0 I. r4 ]1 hlet credibility-money 0
4 O' K7 C( ~6 e6 ]# C# twhile [i < people]
5 r: v- \3 R/ O7 F$ j[
; H* V& M! |- a' `* C* S/ ]set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))" y; r4 k" g% `+ N+ k. X' t3 N
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
- L# D3 D0 ` ?5 `* _8 V( oset i (i + 1)
( |3 I/ M$ I+ k( ]1 b6 g* b a& V9 t! |]
0 X8 C# P5 X* d9 C0 Dlet k 0
: ], a! B# l- a) k" \" E/ Alet new1 0
, q B1 r; L$ K9 mwhile [k < people]& i" ^0 M; d% {% l% p* A9 }
[
* m3 B$ j# D7 |/ G( S& }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): `1 k$ a6 x, ^; s0 G" H
set k (k + 1)* F9 r2 j& O* t0 I) y4 s! ?
]: _( u! M1 q. g2 {9 O7 ^
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
$ J$ R9 p0 I. eset global-reputation-list (replace-item j global-reputation-list new)5 N, L$ J7 o! A
set j (j + 1)
1 N. z: T/ F7 A+ f]1 k; p& U( ~1 M: A
end* @# u' m* w8 @! Q- ]% Z
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9 n. Z" _) L: m/ k8 C3 ]# b
to get-color
6 T4 P3 z& i& ~; I3 T) Q6 f( u& I! l% h, b2 M& z
set color blue' w# I3 s- ~7 T7 B
end
- x/ V! v \, e: ]
8 {0 s0 ^4 `) ^to poll-class
* O: v4 K: H1 P8 w$ `3 [2 qend
" ]& L1 h O0 X- z! K3 o. u. N9 j3 ^0 x/ a, C) p( w
to setup-plot1
3 e9 R6 F/ v9 r
5 N$ z: B6 o9 H% G' c% ^. Eset-current-plot "Trends-of-Local-reputation"
* a8 Q8 B- Z4 ]) c. w! s+ G
; l9 ~2 j- I1 M1 Q7 Hset-plot-x-range 0 xmax% A/ ?7 F8 ~4 T% Y& P" T! z
0 `$ i+ U# ?8 H' C' W; V; w" D
set-plot-y-range 0.0 ymax/ ^1 \/ Y1 n1 V+ k1 r; N! ~* c1 x" g
end
* ~* U4 ]5 `, h, S
2 S+ o- ~4 R! o7 p- mto setup-plot2" S2 d/ R% Y1 I; N! s9 C# o9 _. f, d
" Q% T& T( C6 p5 E
set-current-plot "Trends-of-global-reputation"3 S+ Q; u" J& I7 Q
) O9 k: a2 z/ ?$ e# |! jset-plot-x-range 0 xmax9 b# W7 w8 C2 ?
" v' t; u6 x) `4 `7 l+ u& j
set-plot-y-range 0.0 ymax
+ s; ?$ K: s: i+ B# Qend
0 f, ?6 ?& w& {4 r/ Q" u
+ A9 C( J2 }9 R8 z9 v$ \to setup-plot3
; P3 c( _: {, u% r
/ h C& X0 C1 G- I @) }set-current-plot "Trends-of-credibility"' [: } h1 k9 J/ N7 m
# L7 i7 k0 U" P6 V: u3 V& \( t6 }- Jset-plot-x-range 0 xmax, h8 e. }" y+ H9 K! ]; Z
S" I& ]. H; e0 d& j i" v6 `& zset-plot-y-range 0.0 ymax
1 q% k f% B" F$ D: eend5 x2 G1 G* B7 E( f* s8 ~
+ i, R+ z3 ^& f
to do-plots3 U- R H# V$ g# j# q5 b
set-current-plot "Trends-of-Local-reputation"
2 }. `* i5 C; Z6 k) R- l) aset-current-plot-pen "Honest service"1 L/ y# Q! r; k5 f" f
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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