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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
& L( m+ T- L X% _+ ^globals[6 t, d/ v! |' ^+ P
xmax
# d5 a$ N3 l$ e1 ?" W% Mymax
8 @" k- \* b! Zglobal-reputation-list
/ a. L6 o! Z! \; N+ D- H% [: J. M) m
;;每一个turtle的全局声誉都存在此LIST中% F$ F4 W- a3 ]; b' l! P) V
credibility-list
/ x. q8 M5 I$ f$ ~;;每一个turtle的评价可信度
2 z5 L1 s* b6 c6 u+ A7 S- ^honest-service: z" J8 q) R7 ?6 }( o( L
unhonest-service
- [- \: E; R) K$ [) x( U5 Koscillation
, t" F, m- g; ]& X$ A% i9 @rand-dynamic1 a* k8 I( O) ]# {; E3 \/ X! r
]* T" X4 b$ h8 u7 P+ q; ?
- I: z1 z- i( _; |! c- X! F9 m
turtles-own[+ H7 h2 A! H4 V' Y
trade-record-all+ ?, o% q* J) I9 W+ X5 ~
;;a list of lists,由trade-record-one组成
& [" A$ k2 g+ M* P5 w: g7 Htrade-record-one8 k" H- [9 `4 c' O
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录* H" S2 s) P, Y& e% S* S/ w0 }
& x7 B3 S$ O) ~- e3 G+ W
;;[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]]
* C. v( `; s7 `( Ltrade-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]
# U; h) P2 a" K- Hcredibility-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list6 n. E2 c+ v) L; j/ K6 F
neighbor-total
K( T% C2 [# S;;记录该turtle的邻居节点的数目. n" X0 C8 | _9 P$ M6 p6 q$ H
trade-time! G& ^; r. l4 A( P6 I+ {$ f
;;当前发生交易的turtle的交易时间
" r2 L/ v3 Y" G, I+ {2 Kappraise-give8 B' m' [7 Z* H. w6 ^
;;当前发生交易时给出的评价6 n# W* o. g4 o! J0 `; g" m
appraise-receive
$ f& `- h+ T, F1 W/ ~9 M;;当前发生交易时收到的评价
& D3 g6 z" ~; C0 Q3 T$ nappraise-time* Q, Q9 I( J. V2 u
;;当前发生交易时的评价时间8 n# j& M/ A$ W& @: N1 y4 q
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
. S6 {& X, N% y1 L3 S+ qtrade-times-total
% v% J: F5 [, H6 o J# _' ^;;与当前turtle的交易总次数
/ x/ L& |1 }( @: jtrade-money-total2 c5 B4 ]1 d0 j+ N( c
;;与当前turtle的交易总金额8 m3 m* T/ w$ y" V" E! T
local-reputation- Y/ Q$ o' G8 J5 f5 g1 \1 L3 d
global-reputation
' K( r8 M+ m; t; W& q" f; Ycredibility
, e0 v* N) n" Z X$ L;;评价可信度,每次交易后都需要更新+ Y; b! ^1 ~! p8 g: {) w/ j. v# z
credibility-all0 R! w$ R6 N6 \9 N/ l2 ^
;;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8 ]$ L1 A2 a6 H$ m7 I8 ]# C$ m+ p
! _, u' ?3 Q% L; g5 \6 Y+ [;;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0.54 q0 f+ v- N. t0 ^* I3 K$ D$ m0 e
credibility-one
1 p' Z' T3 J& U3 I;;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
# @3 i! o4 W# X# Zglobal-proportion
- K E2 o, O) F8 r% mcustomer! O; y4 o. Y/ y( C, K
customer-no) W( ~1 [$ c9 H; M# E: F
trust-ok
3 W0 O4 Z6 Y- ?: d6 {: otrade-record-one-len;;trade-record-one的长度' d s. j4 U& I E5 @# o
]
) `# [4 U1 f! _6 e0 C8 A t. w' N+ D1 r1 |8 B
;;setup procedure9 Q# v l( I, r
# o7 ?# f5 Q% X6 bto setup
9 g0 I% p5 o( \& s6 U* ^# r4 M+ ] n7 m( @
ca
$ V/ b1 q" g* W' ?+ E1 _
) W7 \% m/ M- U+ Minitialize-settings; \( Y3 o& P* e* r9 q/ J9 E
. J9 }2 U. L! A/ j4 d5 M9 K1 qcrt people [setup-turtles]
G$ I" Y9 a0 u7 O' \( \) v; h5 a8 q8 J
reset-timer
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poll-class
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setup-plots; G3 p v+ m" A1 L" P8 ?* E h
# U3 y- Z' V4 R; V' m# W6 \3 X
do-plots! h: o6 q9 i3 [* g5 l# O
end1 C5 M! Q8 A7 A' d
; c# e; p) l' a
to initialize-settings$ f2 N% T. N8 w
/ F5 f% i3 X; v% i2 Qset global-reputation-list []
5 o( G5 z7 E$ i( V+ D/ j
6 C& l, Y1 d H) l( I9 Pset credibility-list n-values people [0.5]
5 E8 G# Q8 I6 L+ o3 M# z+ X
* p- b1 `* X* Z @ Nset honest-service 04 m4 I" N; r- t. ^& N/ \
; e- o% ]& Q, m3 I$ t8 jset unhonest-service 0
) U8 P# r& R; I a$ \) A U" E% U
7 u R& I# m/ R- Rset oscillation 06 `4 w4 v* O* {2 A- L5 o* k2 C9 n
% q% e* p. G! K6 c& }, x& Y+ rset rand-dynamic 0* O' ] y) B6 F0 e6 ^
end% @4 {2 C, s8 c4 V1 \! ?
2 _2 ^* t! R, b: O0 _/ ~5 T
to setup-turtles
/ o7 Q$ ^8 j$ @* E/ b$ cset shape "person"
, e9 n9 J& {3 {setxy random-xcor random-ycor
4 n3 @* q% Y! Y d- M9 ]/ yset trade-record-one []4 b5 G3 @/ @( [& J
+ g# f8 k+ K8 _. v# `5 @set trade-record-all n-values people [(list (? + 1) 0 0)] / b7 c: k: U: T1 p$ t9 U
+ |$ W4 L' O. H: J$ g/ ]7 ~; T
set trade-record-current []6 h9 d: o7 V. ^ x( Z
set credibility-receive []' F/ ^1 K- k0 j" k [. z3 E
set local-reputation 0.5
6 Z1 d0 M. t. Gset neighbor-total 0; i: ?: p0 b( @7 Q. U4 I1 u
set trade-times-total 0% f1 f% A% { e: h, H
set trade-money-total 0" N: S2 V& ]% G5 \% x' T. r
set customer nobody
p' u. |- {. b9 ]: E: b0 u: lset credibility-all n-values people [creat-credibility]
$ X1 J$ b' O$ A& Pset credibility n-values people [-1]
4 Y' Z! O$ w8 w6 ?# hget-color
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) W; N' R7 I W7 }2 v$ X* a6 Send- {/ P" z$ _* W- e' h) Z$ t- I B* `1 X
. ]% x. l& |1 ]$ ]8 o. [1 E! L
to-report creat-credibility& [3 s! @/ s! G+ `- a
report n-values people [0.5]9 N3 ]- z' r( _! R) p
end
) R. m& [; `9 `' d* T* |7 a$ Y6 F$ x/ u: q- ^, s [
to setup-plots, w X9 F! `6 _ h+ F2 Y8 v
2 j# u) z J5 B
set xmax 300 ^9 r0 |; s! q+ p7 a7 g) T
7 w& r9 a# V1 F9 _6 ?) Q
set ymax 1.0* J. B5 w6 s, u& O* s$ B5 z n( i
: r* A L" {0 _6 e+ V4 Pclear-all-plots& I: ?( |, r0 j6 g/ @ a
. z5 k' T1 o/ c' w0 U# t
setup-plot1
$ R, i9 ]0 s h7 T! M+ J/ [* G9 J- k. U+ w+ q) Q. I! n
setup-plot2
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setup-plot31 V6 `% P' V7 c+ B
end
$ r' K0 \3 x: O- X, p& t& z2 @
' d7 T& R: [; u& y+ T% q& }( J;;run time procedures& Y; S$ r5 e$ [+ T$ r4 r( B
: _5 x! l! n* h1 ]1 l1 w; H3 U( bto go
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ask turtles [do-business]5 `' ]: h9 r& R. v4 c5 D( e
end1 O7 ^0 C9 U! l# K
/ F/ A! v7 W+ x9 a; c
to do-business * ~3 O" O& S4 M+ e2 M
3 ~; u; x; G" P" E; R( {- N& B( ~& k7 r M" n3 a
rt random 360; a: u) ~7 K) [3 }
6 F) T1 U4 o( N) \2 @0 lfd 1* s9 W/ H5 @& N5 |5 c7 n9 c
( E2 E, z! L5 w) F, \
ifelse(other turtles-here != nobody)[6 a, n: Y; e. Q3 g9 U# B6 B
% E) _) i5 d# w" Oset customer one-of other turtles-here/ k( h: z+ T3 Q$ D4 a, h, R: s
R- h* ]: o c- @7 g
;; set [customer] of customer myself' B8 M5 L5 K+ }' Q& ^. i
' o: G+ g0 S0 [set [trade-record-one] of self item (([who] of customer) - 1)4 T! v7 s4 {& I* U$ a
[trade-record-all]of self
" `6 \+ S/ h* i( Z, p;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 x% z! T9 l5 ^" [! ^5 B/ K+ k6 k
3 f- I3 `; A& }
set [trade-record-one] of customer item (([who] of self) - 1)
* F: C9 s, J0 o[trade-record-all]of customer' a& t0 x& k/ m
" n9 S' d6 c) Z& c/ c3 Z% R) I3 k3 Jset [trade-record-one-len] of self length [trade-record-one] of self
" w' L. u4 Q! U+ {4 r# b, ?0 @/ f5 E0 S
set trade-record-current( list (timer) (random money-upper-limit))& q! x* }$ c% x L; r' {
9 ^; |4 E: |+ h Z
ask self [do-trust]4 B9 Q9 p, a! o. O% s/ b
;;先求i对j的信任度% s3 K9 B0 c% l- k; O# x; S
8 \( U* P$ ~" v, E2 N$ R9 r
if ([trust-ok] of self)
2 J- E: `* z/ k;;根据i对j的信任度来决定是否与j进行交易[
8 ^7 Z- E% o, x* D; z/ @ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
F4 d! A6 e$ I4 U3 b+ m, d& \: O! O# Z1 J. Y! p8 V* @* \( ?9 ?
[( }( Q: f @) |6 X4 y6 t t b
7 G9 f) ]" b4 z4 D# F
do-trade6 n/ i* Y% {, E9 K6 ?( h2 ~
/ C7 t) ~! N9 c6 a% A0 y; Eupdate-credibility-ijl
7 V @( x$ O. h: l$ `8 J
* M/ b: s- n1 l7 i" g" Jupdate-credibility-list8 J/ I! l- g3 z' ]& V2 O/ M
# q' ]5 Z1 x, z* j$ P
" p5 R6 q6 ^ ~8 i5 o% D- Aupdate-global-reputation-list M* M" J' t! W6 ]7 X+ @+ v4 m
. i3 B# ^/ v5 R- g2 w; _
poll-class: n! P8 e! d# K4 u0 a* j5 J
. ^4 a4 l% {! G& u# l
get-color
( }* I l6 s' W3 Z7 t i$ l5 \ j4 R% V
]]% M+ m; b9 l, z; ^
1 e: L U% G& }; N# L$ K
;;如果所得的信任度满足条件,则进行交易
3 |0 b- l' b# K! X1 e
8 n+ S; D) \& i5 |3 ][0 e1 W; Y5 u, B2 u# W2 p
" e9 D3 l7 g/ A. P. ^& v
rt random 360
, D4 N3 q3 U6 Y
# p q8 w) Z' U0 I7 u; k7 bfd 1
r* J' v. C2 D; K4 }' Z9 B+ q4 s3 ?+ p- K" x4 A* ]' F
]
- ?( g t5 Y( O# e3 H, F9 `5 q
7 Q/ c1 f; H! ]4 } g. z- yend) \& u% Z. F7 D3 ?$ C
4 A1 v1 |" J, M9 p: ^( H9 @to do-trust
) F# H( m1 {3 @: M7 O: bset trust-ok False" ? O: D! X& r/ D& F( z
1 w) S. a' n5 p$ b! E1 F/ x
2 `' }. A5 a% e9 C9 K; X6 t5 }; f4 _
let max-trade-times 08 G3 o) `6 j0 i9 i
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
2 I3 x2 z2 t+ klet max-trade-money 0
9 M+ ~. S2 a% L$ a4 i9 G3 Dforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]/ P7 H B1 Y% W) ?* B( i x
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
" x; B$ e0 v, @5 K. D$ i6 G
1 l: B+ ]% z- K; y- i# ]$ u
; h4 r# w% J# i# r k# @9 `' _! R; zget-global-proportion
( z% t1 `. m+ nlet trust-value8 w m0 u# ~: Q3 q0 B: s3 ^
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)
5 o8 @$ M/ j+ @2 v$ x# yif(trust-value > trade-trust-value)' j5 ~. [' c' Z8 ~4 l" [
[set trust-ok true]
- W; }5 n B; \! j# y Fend) ^3 k* o e+ }6 i7 x8 h% g
6 o& P& G' T' _3 \' E) B' v# qto get-global-proportion; ^2 O. f1 ~4 P4 A
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)& j' ]2 ? s6 w2 E% u; Y6 J. Z# N
[set global-proportion 0]! E* t- _; b+ X& l) Q1 K
[let i 0" C3 x1 C. v2 e$ x2 o# v L
let sum-money 00 r, E! o( S8 ]6 f. P
while[ i < people]
' r# q3 x4 _# Z1 o* V& D& D[
6 r' U- d/ Z2 \" d9 Nif( length (item i
6 R$ g- @5 G; N( C[trade-record-all] of customer) > 3 )1 ?& @" S- p( p8 E, @$ G, L5 I
[
$ F% y% X) h( fset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
1 w, f/ q- W+ b: M# B]3 k O4 P0 W( Z2 M |/ ?
]
: x2 ~0 s, _! g L; W" J; Glet j 0) h5 s& }$ Q3 X& m5 ?7 h
let note 01 R: Q) O( y) `/ `* B h
while[ j < people]7 F& j. @3 o5 ?% D9 f9 E, u
[4 j+ { l0 |. o5 r0 X+ o8 q
if( length (item i
( x0 v# _. ?) _! z: w$ n8 o[trade-record-all] of customer) > 3 )+ u) p7 i( j3 }9 L
[
! l' z e0 o x+ ?ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
. B: D7 m. ~ \& }[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
# R+ |- L5 F- m0 | B$ g[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]+ s7 h, P4 W7 q7 G* O9 ~5 f/ k, ?1 B
]
" T Y$ ]- o+ j5 W- I: c, Q8 `3 {9 U]
5 `5 _9 R" f1 I, |4 Zset global-proportion note
' T" w; o5 u8 `/ f* B' j]
; R6 F& M6 B" F: o! }; Pend! f) t8 R R% O1 v) a8 }
* @3 v4 J+ o, {+ |) mto do-trade
$ [! J+ F/ F4 d5 B. B! d* P;;这个过程实际上是给双方作出评价的过程1 l& h9 t1 f4 S/ L
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
0 a3 G/ J$ Y: G# f) \/ {set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
0 U, X4 ?4 h2 f1 X9 w Y. a# e$ ? _& U0 Bset trade-record-current lput(timer) trade-record-current8 `* }0 s& y6 J- v# {- u
;;评价时间
2 e" d1 O. n1 p+ }# L' M) Jask myself [& e% X. g. \& u0 ]8 z5 q8 ?* u
update-local-reputation/ G& {- u& l! W N, P
set trade-record-current lput([local-reputation] of myself) trade-record-current2 x7 X. o* h' c* J+ W) v6 s
]2 p! ~6 u- i7 A
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
+ R- D, _$ l* N4 _;;将此次交易的记录加入到trade-record-one中
2 l2 {5 X5 H& ~8 vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 Y* v% r8 T4 `: m3 ~; Ilet note (item 2 trade-record-current )) d8 ~. c$ a q1 b& |; ?8 x& A: g
set trade-record-current- ^) {! ]8 _, `! @4 s8 I* d' o0 w
(replace-item 2 trade-record-current (item 3 trade-record-current))- ]7 f2 `0 f# p+ l) p
set trade-record-current
# h+ e" A# y: {! m) e(replace-item 3 trade-record-current note)
: n8 G" f+ f' {- O/ W$ w" T& `1 ?: n$ m! E1 C; r
$ z g, C/ C$ `' A
ask customer [4 d- {- a3 \9 `: }& G$ m
update-local-reputation
0 t1 |' G) y/ e6 s- K1 cset trade-record-current
: Y; v9 W* ]1 A9 g9 [4 c5 T(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
V$ _4 ~% E l' g]5 r7 D! h, [4 v6 ?; Z- ]0 ?2 D
; }5 w- W5 X( \9 N' n( S$ r
* e+ B, Y' z8 z4 Y3 fset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer1 `2 f6 h w. [0 z5 ? t
% I# Z: \4 Y8 V/ i! m
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 l1 H) M6 V# G6 q
;;将此次交易的记录加入到customer的trade-record-all中* F1 P3 C" k: O
end2 H: }& \' W3 C y6 E3 h1 g8 a
+ q% h; j2 Q7 o9 M, T& Jto update-local-reputation
" ]3 g( T8 I. B2 r& h: o0 s, R8 e9 sset [trade-record-one-len] of myself length [trade-record-one] of myself
- `) K* c5 Y8 K M" Y: J [# v9 v
( r* I; C' n# K' V% i. k4 H: g, C0 ?, x+ l& p8 k/ P, e
;;if [trade-record-one-len] of myself > 3
0 _- e5 b( s7 k! g0 s" Yupdate-neighbor-total
1 S& U1 c1 H/ v;;更新邻居节点的数目,在此进行
' p+ n' `$ l2 slet i 3/ }# Z! B) o" |5 c! H: R
let sum-time 06 p4 D% J. t( f7 R8 g1 @
while[i < [trade-record-one-len] of myself]
# b) }$ X/ l. d+ ^[
2 ~+ e: P+ a5 U+ v2 w2 Xset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
, ~( w b3 p. z5 z9 Sset i( L# ~6 g7 S+ R
( i + 1)$ U% g* y/ B& |1 ~: @! Q$ b0 z
]( ^+ ^( R: V; ], D9 P
let j 3
2 Q1 n! w" Z. S8 h2 S% ilet sum-money 0
- \2 D% g# r* cwhile[j < [trade-record-one-len] of myself]1 e- P( B8 g( K/ ]& D9 H% o4 M" g
[9 D9 X9 R2 o5 m: ]: V
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)5 L. Z, ]! C2 E& K: T# D( _
set j
) x$ j. M0 j) \5 t4 e' L1 N1 x( j + 1)
; B" S- e2 c6 ]$ v6 s]* r! R4 t1 M3 L9 `
let k 3
% a7 ?3 L# b3 k/ }, klet power 0/ G; c" ?5 Z$ @
let local 0 H3 c8 O9 ^! Y W# u
while [k <[trade-record-one-len] of myself]! ?- z+ N0 ?# \+ y0 A' l, e
[
2 O$ { }0 [1 j+ J% {2 Tset 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) - H2 l1 b2 M0 O- K
set k (k + 1)) w8 p1 q) K* v- N/ d
]: C' w/ k/ \* i. J" c2 L' M
set [local-reputation] of myself (local)
; {( R4 b2 Y7 v send/ B) r7 ^; u7 O$ |8 \/ {
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to update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
) A1 `9 H% f; ^" q9 ^; L& ?9 r) I; ?4 U' E) }- i& c
4 @ k4 ]3 P W+ p1 hend
2 e! H! ?4 C- s+ H2 ~% w6 f& P! y2 Y6 E3 f5 _3 ?1 B! \; `" M$ O
to update-credibility-ijl , \; f4 Y$ Z |# i* Z& k O
# O9 v) H( f1 Y- X G
;;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。
* B) Z) H1 |+ T* [& [. b% Rlet l 0
. r( O* p9 K' g! O, Awhile[ l < people ]
P* E% U# n8 d3 `0 J;;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
6 Q( E/ |* a. p/ c2 X& m[
/ v, w9 m7 l% u/ J! d8 k' h3 glet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
[9 s- n& c' ~% T# Fif (trade-record-one-j-l-len > 3)
" q, I. |9 G1 _- ?" j[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
' D% p) h) N% i. zlet i 3
4 C3 p6 W2 W0 }: {. Plet sum-time 0
3 g4 c$ d% c1 z) }) ?8 k0 Mwhile[i < trade-record-one-len]
. X3 R' o4 t; b$ c& t$ b6 |[
" Q4 x; o- x6 t/ A4 \9 h( gset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
. p1 F: O/ \$ P1 Y3 J2 D6 Yset i
: U( i) Z5 P9 b9 S, F |( i + 1)
! f- I$ q' v1 E3 U7 e]+ Q9 v7 H! v- b$ d- i# W6 o" A& _6 N7 U
let credibility-i-j-l 08 M/ F# `3 j& z' X
;;i评价(j对jl的评价)
9 \) |4 z7 x" w7 Q' l! Ylet j 3: M$ v, @* ^4 b" b# P
let k 4
! p; ]( ~. l. o" V7 b9 P, twhile[j < trade-record-one-len]
/ O+ L7 w! h) m% P6 K. S, `[7 D( K( l ~; |6 g
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
6 |1 M# G/ Q: P- O/ g% Aset 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 C* u" r5 S4 s) n: u. T L! Nset j
5 f& F7 v9 z( F( V- U( j + 1)3 f$ r; r. K9 A2 Y R/ v3 [
]
( c& |& b9 W3 Y( t/ aset [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 ))0 y1 T7 L9 o" {1 H7 f8 N0 U- Z2 }
, }- C$ h+ _. }( n- H
, \- u+ x' p! C8 m1 e: ?let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 m+ c' D2 y; q5 i3 R$ \" p;;及时更新i对l的评价质量的评价
3 \- g# h# P& Q" R6 K3 uset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
' }9 n: H/ e! }) C& m0 Lset l (l + 1)5 E: \, B: m6 X5 {
]
9 R: S/ m: a- ~: O2 Pend. {5 W( B7 J7 J; O0 D9 U% ^: q
* D# R/ ? Z: L1 _5 D% _0 Rto update-credibility-list7 C8 @( o/ F4 Z1 F; S' [. F% f
let i 02 F4 G, {7 [6 A J8 s" d$ k
while[i < people]; w, \) z, ?9 o' U! h; [! S
[
4 i! B/ X3 R3 o7 Klet j 0- i( U7 S9 g1 Z9 A- N
let note 0; @' y0 p* p& r! _) G" s
let k 0
/ }: d* m& p; |;;计作出过评价的邻居节点的数目5 T& ^( |- o2 }; f) {
while[j < people]# @3 W) g3 K2 Z* @ ]8 N
[7 ?1 i9 e* G) w$ r8 g7 B
if (item j( [credibility] of turtle (i + 1)) != -1)- x' D P- x: H# P; N& V; h
;;判断是否给本turtle的评价质量做出过评价的节点
! ~- g. F( Z; e' {) _! l[set note (note + item j ([credibility]of turtle (i + 1)))
1 b6 q- R6 Q( Q/ o/ Z0 r! j;;*(exp (-(people - 2)))/(people - 2))]
5 |& m" ~$ V/ ` D: s5 `; fset k (k + 1)' f' {, ^4 C- ]4 C. @2 j( i: m; J
], _& C) b. `" q
set j (j + 1)" E. s, `% b5 g* x$ N$ f. ?2 e- u
], w0 n& H0 `$ X, h8 m7 o
set note (note *(exp (- (1 / k)))/ k)
5 |6 P$ B# h1 ]* S7 K/ _" z' yset credibility-list (replace-item i credibility-list note)9 m; j" r8 N: E
set i (i + 1). U- J1 t; h5 Z( E2 O# L3 X
]
6 s3 O! ]1 V" Y4 o! {end
# @: d* `$ b! {/ P/ x. l* ]3 m6 ]* N; ], b
to update-global-reputation-list
& p4 M% ]/ N8 d& t, ^' w1 j, ilet j 0
+ ^6 r: S4 ^8 e9 Gwhile[j < people]
/ h, J, g; z/ L4 T3 L' R, S* b* ?[
3 w( M a5 g2 e8 M! o2 E7 [6 @/ R3 _% h- hlet new 0, B7 \( F/ z. I
;;暂存新的一个全局声誉* L+ p& C7 A. s7 o9 V. o) ?
let i 0
6 E0 ~' P9 B4 T9 x& Rlet sum-money 0$ |; u2 |4 w, G0 |% E* f/ Q9 W/ h
let credibility-money 0# M. o" H( C' [" Q9 C5 Y
while [i < people]: i3 N9 u8 X1 h ?: W5 `0 ^
[
$ X1 U/ v) E; j7 N" J8 s5 r/ p9 T( P+ ?set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 }, H4 W/ m- F9 H0 R) uset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))7 n( P" w2 T C' B
set i (i + 1)4 A: B2 W, W1 [ T" E! S0 `
]
. B h7 Q v, F) O; alet k 0
3 O( I. Y) n3 Y2 rlet new1 0
! |% {5 F- @+ F! N' P5 }while [k < people]
' Y0 B) o4 m$ Z9 k[
0 r, p: S5 a+ L2 N& yset 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)8 L+ n" q/ o3 j! T |5 [8 l
set k (k + 1)
+ X v5 u6 E7 Z8 L: _]
$ D8 `- S+ t- `* oset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 1 Y; d0 s; D2 @2 m. ] g% r+ C) `. [
set global-reputation-list (replace-item j global-reputation-list new)2 c; d* e d3 _# s
set j (j + 1)9 x" z% T8 {6 P# O" `
]& P8 i6 i. c% J5 @+ K/ T9 z
end
7 i- ?0 U! }0 P1 c6 A% H2 p' Z% K6 Y( x% ~5 N
6 }/ L& N( g0 k o' k" z2 H
8 i( z" `' z- j' Eto get-color4 \2 ^8 j9 [% `9 e: n1 p
2 {( ]7 ^- d& h% i" f, q( Uset color blue/ r' k; G) D! v$ L
end
2 q, M4 T! H% g! D% g4 N, r. K8 c* J& h) m; W( u8 ^ n6 |
to poll-class
, n' Z* l6 z) U& kend
- z1 `: w4 z& s3 D i8 i1 V) ~% t2 A) G s, J% V6 v* O5 q- H0 I
to setup-plot1
2 \0 q* J! v5 z. n$ q; K. {6 L M1 X: p4 h- p& ~' o8 M0 i
set-current-plot "Trends-of-Local-reputation"
& X ]6 K5 Y. Z; V. t( O) U
+ n8 r9 o1 q0 m0 U- M! ~set-plot-x-range 0 xmax
& R4 C$ O% e& y
: ?1 |0 r6 y: }: C' Hset-plot-y-range 0.0 ymax
9 J2 W: D4 T6 {end
: E# W' R' B( I) O# d! d1 [0 ]
' {0 N% c4 w4 e! s' w' ] Uto setup-plot2
1 ~9 A/ w/ {" U' s4 V# l5 U( R# s @# e1 d
set-current-plot "Trends-of-global-reputation"
9 |5 b" E2 b- N% w5 B+ {) O; m B$ ~$ K
set-plot-x-range 0 xmax/ f1 C5 X4 y/ I: e
: G5 C) o3 t4 D* N& zset-plot-y-range 0.0 ymax, `% {* d2 T0 D6 D" F7 E
end* c# Z. n2 W0 \6 I9 M9 d
/ I! W/ ?' n1 k# d: o7 N
to setup-plot3
: Y: [, ]# |' F& H& \' ~
6 ~' k. R5 Q8 a3 U8 Mset-current-plot "Trends-of-credibility"
1 [2 c; x# Q/ [" m7 Y6 V L( q6 Z! R( N
set-plot-x-range 0 xmax
) Z! H4 u3 R# |* z5 _. d2 b0 _! q* Y4 G1 G
set-plot-y-range 0.0 ymax
, I# V T+ ^+ u& S4 O( l% U0 kend) Q+ O+ x, b9 ?( J2 B" [4 B/ Z
m6 ]2 { P# x: [
to do-plots5 d. q O9 z" B
set-current-plot "Trends-of-Local-reputation"8 P3 @- K" m1 Y3 o. k+ |
set-current-plot-pen "Honest service", l- x* K. \# N1 a- j; f
end% {+ @6 C! y$ O+ l; N) O1 z% H, U
: V& \! u# q1 r" n; F% ]4 n[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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