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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, Y6 ~' j- U& Z' @. X/ E
globals[
6 R9 q$ r6 Y# L+ Hxmax
, i# u( d. s& f" N6 r2 j% xymax1 t4 ^1 @" ] B- o0 ?- I: O
global-reputation-list3 u& k; I3 o$ Y d. |9 J$ b; ~: }
0 x7 X1 b8 o9 d% b
;;每一个turtle的全局声誉都存在此LIST中* y& W% q; X; [1 O w+ o4 p
credibility-list
f1 L" {6 w9 T1 p;;每一个turtle的评价可信度
6 L( R5 K% N4 ~8 r- a4 |honest-service4 _. Q4 y2 w: ?$ d2 b: G. N; T/ n
unhonest-service
' j4 H G( i% e/ S4 Yoscillation
' j: A6 p6 e' {; ?' V! m+ j, b e7 Nrand-dynamic
3 A% u5 K5 T9 z# H* t: X]
! T9 H6 G1 P7 @$ Z2 h( W; Q: b4 R! X- d. T5 F) {) P
turtles-own[% Y) K, B/ P' x4 i2 ~7 U( x
trade-record-all
3 H8 u. N6 p! d* m;;a list of lists,由trade-record-one组成
0 I" {" c6 }2 itrade-record-one
" [2 o0 J, I2 z& g- o D;;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; {3 I ?0 v# e' I
7 K, `" _0 |8 g/ c/ g: n;;[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]]
; f% D" P- G+ r1 ]! _7 h: ytrade-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]
7 T2 z0 ?9 `; Qcredibility-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! c$ u4 [+ o J9 T
neighbor-total
, t$ `& U" ^2 W; ?5 ];;记录该turtle的邻居节点的数目
# v/ E6 H8 u( ]9 M' @2 {trade-time
! X* k5 [1 N: U3 Z( j% Q;;当前发生交易的turtle的交易时间
4 d. K4 ?8 _ f8 Kappraise-give
% K% |% Q) }8 b0 v;;当前发生交易时给出的评价
. h' b+ q: M- D2 j( T9 Pappraise-receive) u5 W* _, _$ {8 Z
;;当前发生交易时收到的评价* L8 b" L# l" I
appraise-time
( f. _# C n' W. {1 Y! _7 |) m;;当前发生交易时的评价时间
7 Y, }( o/ c. S {local-reputation-now;;此次交易后相对于对方turtle的局部声誉
8 Q) D7 c$ c- z! C4 \$ b" A$ m) Jtrade-times-total
* ~3 O6 U: ]6 d;;与当前turtle的交易总次数
# Y7 z* U% H- Z7 Ftrade-money-total
4 [5 q0 H9 @7 x. y;;与当前turtle的交易总金额$ q, E7 f, W( t4 S+ n
local-reputation
5 S+ ^# K$ V. m m3 K$ _global-reputation
: ~1 u1 m( j ^! r" @4 }credibility
8 C0 [+ y" S. ~- l;;评价可信度,每次交易后都需要更新7 K% [& Q* x2 V
credibility-all
, z( M$ p: X r( o7 t1 t;;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% t# s, j! n
) z3 {9 R0 y! a: c+ s1 v' n;;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
1 T( F6 ^2 D+ v3 K9 q# s0 zcredibility-one
; G [3 w1 R; G9 L3 z4 w( h2 I' w5 D;;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* _+ H& @; L6 u$ A' m7 F8 C
global-proportion0 Z% {3 p7 u) X5 v5 x$ n
customer9 K7 R' R/ S7 i" b
customer-no
; x8 r! p) ~$ y5 ytrust-ok
2 Q# G# @ H v4 M6 {trade-record-one-len;;trade-record-one的长度" X. `' Q: e1 j; m& x9 g
]
5 o \6 z/ `! n- Y1 P; D6 R- o: b' O3 |, x9 ~
;;setup procedure
. Q; h! f8 U6 Z1 ]
1 X$ k/ p" ^0 v+ n5 o" |- Rto setup
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5 o N3 e0 L3 n' Eca* L4 N8 R! B) a* x
% u. K! `; x2 L% D( b" {8 c
initialize-settings& ]! Z8 D1 R* K* S' T. ]% H* Z
0 F2 t: i" A1 C8 `& {crt people [setup-turtles]- l) Q( I' [' N! S9 e
& E+ G5 @# s) q1 c; M& f( `reset-timer
5 [- F% [3 Y/ R! I
" T+ ^; g7 M. y0 e2 I$ Mpoll-class# m- Q# J2 W S2 G* e$ w, c
- j7 N% @7 o2 q" K
setup-plots/ R) G! I- ~& a4 L: C
" Z' ^4 M% `$ H8 D# @: F1 Q# u
do-plots
7 B# l3 B2 e4 g* E4 Oend
1 y0 G; B, B6 b, }, _
( {) a5 n. m. s; V8 oto initialize-settings
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: ?* Q) r9 w8 I6 Iset global-reputation-list []) \, C7 ~+ r' a' a5 I8 N
3 ?/ ]' A9 E5 b( e* [& g' M M: c6 t. a
set credibility-list n-values people [0.5]7 p) w# q6 }% l5 `5 A9 r# |
/ S2 y7 B V( x% S- y5 M3 T8 ^set honest-service 05 c7 ? z* x0 a% b
' ` x, o1 t, o# D3 x% d, x; Aset unhonest-service 0) m" \$ b' m( d# M7 K
# c* B: y7 r9 N# ]: wset oscillation 0
4 r- r8 T& R) J0 e3 ], e
" Z" e' D4 O& U) N3 D8 I* vset rand-dynamic 0
" O, K2 e' L5 r3 X0 Hend* M6 Y! r w& }1 A2 O6 k( T4 b8 S
* R2 X7 M) F! M- K5 C, l" @/ Y, p
to setup-turtles
" F" g c5 z8 A( \7 _# B: H* kset shape "person"
|! U# t% ^: z' @setxy random-xcor random-ycor- q. a$ g; y- |8 [* F4 N
set trade-record-one []
+ c1 p0 E, O7 J6 p1 n
$ F" K8 c- K& Q) `% ]set trade-record-all n-values people [(list (? + 1) 0 0)] ; H5 i9 _, O9 _7 T$ O0 Y! e
8 i+ ~: a: K7 y
set trade-record-current []
3 W; g% B w4 ]9 v9 f& q8 z wset credibility-receive []) C0 r8 k7 j7 h+ j
set local-reputation 0.5
; w, h; T8 k2 {; Z% q) eset neighbor-total 0/ G0 h' O2 v/ V+ `, m
set trade-times-total 0
' b/ I9 |0 d' u: ?set trade-money-total 0
0 H6 S' Z: J8 j5 F M, H& Bset customer nobody
; w% h- Y7 M/ M* [9 q+ W4 [set credibility-all n-values people [creat-credibility]6 y" w4 B3 O- j
set credibility n-values people [-1]8 X! g! y0 t, y4 `1 S4 e% C1 O( m
get-color
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end, R% a: o. V. i* _- ~
( w, T' @6 m5 x! ato-report creat-credibility
: w/ C w: m. t# S6 Rreport n-values people [0.5]" J( j5 v' b2 W
end+ ~* ~; g# R4 d: P& v% e$ x
6 @6 H; @, g% w" xto setup-plots* ^; k4 \6 w9 o$ j2 Z
' l8 z( n7 |8 K0 t$ {: U- F
set xmax 30! N" v1 T3 K3 f! P& E& z: r% N# U
& p% V; T0 B$ {% a7 m! G5 G, B8 oset ymax 1.0) Y( w9 Q: j2 s. C. {
; r; W6 y: ~* T0 e; cclear-all-plots5 N# V: C Z* h; @: G
6 j# u/ k/ c/ T- \) ~
setup-plot1% k* a5 a. P8 W8 a
( y1 v L1 Q7 y s- Jsetup-plot26 }+ S( }) d9 f
9 `) C( j) s. C, V! W( L2 Ssetup-plot37 ] _# q: F/ a+ G: P
end
s! q# U! J' M- P. n% N( s) A: f' J: w4 h c1 X5 y
;;run time procedures
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to go) y/ B7 I5 O0 A6 p0 \4 N9 Q/ Q
" J4 Y4 O" z1 o& p1 R+ [ C" k) {! Jask turtles [do-business]
0 z6 f# j7 R4 \/ u4 X- s! iend6 S2 {: ~9 v% O0 Z6 h
3 u1 }- T/ D% M1 qto do-business $ [8 k4 v& u6 _( g2 i( Q8 s
$ u' o. S d: ~
4 |1 g9 f1 {) p, ^6 ]: {; M0 H. C+ K
rt random 360
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7 d5 |+ ~4 l9 _fd 1
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# D% ~! o5 x( v" }! difelse(other turtles-here != nobody)[. T: T5 l8 W' ]$ {
# J) k% q4 |, z* b* g
set customer one-of other turtles-here
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;; set [customer] of customer myself
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5 t0 V: c- ?. F" z7 A: Dset [trade-record-one] of self item (([who] of customer) - 1)
/ f: G! A( y! x8 `' c# v8 C[trade-record-all]of self1 Z. g! C7 G* ?" b( Y ^1 H1 N
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self s0 P4 t8 s% _1 Y0 j
# w( p& ~3 \* @& [" R" Kset [trade-record-one] of customer item (([who] of self) - 1)% e% v+ W0 w0 E+ w( A: _# o4 q
[trade-record-all]of customer
- t+ Z# x' ~* D: R
" l! `7 X x9 X4 P" |set [trade-record-one-len] of self length [trade-record-one] of self
l! Y6 |1 X9 p/ H8 ?6 g8 F$ g( ?4 \
set trade-record-current( list (timer) (random money-upper-limit))
+ N* c7 {) q3 |2 P e) n' u5 h" E# X4 I% t! O% U
ask self [do-trust]
9 P* R N% b, o0 i;;先求i对j的信任度
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& Z2 }. w2 ` D# G% `) N3 |if ([trust-ok] of self)' r, v0 I" g0 G0 b
;;根据i对j的信任度来决定是否与j进行交易[
! \6 n/ p+ L* Fask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself5 h/ D" S1 m4 q5 f$ I# v( O
- j2 a/ J! Q$ ^/ U+ ~4 x( p; x J[
( ~+ \$ i5 @) B5 W
( I9 u: u2 ~& y- M2 ado-trade
' b4 q6 b' q2 |! ~9 z+ C% p! H/ ?1 S9 a
update-credibility-ijl! z3 i- j( O5 }2 X7 f! y
" B& h' n- X! B& @* Z( w5 O
update-credibility-list
/ K6 v# X) H# Q/ U: h8 k' S" e. x; H8 _( l, v& w9 h
% q! v5 n: B3 G# J% N
update-global-reputation-list
* V6 p6 Q9 t1 n% U5 e9 X1 U
# c3 G; P# } e) t, i# f# `0 I1 ?poll-class" D8 Y7 S O3 o
( B8 H! u. ~% O
get-color
* o( O' q) `$ y# |) L/ a4 {6 J) X# S$ ~2 V* L( j; k) X
]]
% d: s3 v4 J d. }: n5 n6 J) ~" V9 a% C
;;如果所得的信任度满足条件,则进行交易+ z$ E A% V- o% M. N: k
3 C7 Z a6 c. G5 ?
[
7 @; Z! e! r5 z/ y/ g: }2 E" r$ z0 J) v' a4 M) e+ y1 L, P
rt random 360
g6 K7 {: ]% W: \& z) Q# X O
/ p# k! Z. U% p$ n; G+ a* A* Nfd 1
. V4 i. f Z# g
7 a9 M3 a0 I, ~8 M& A8 S; v]; F) V5 y U V2 ^/ @
3 `% R- @1 j# s( w5 ^2 }
end* F6 ^) Y: z' d# ]* t. x) q+ T
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to do-trust 8 ?0 R @- W+ e& G0 }
set trust-ok False
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: [" c" h/ g3 i! a; F; h/ U# n
M3 b; a6 D# m: n8 ` O- ylet max-trade-times 0/ O0 _0 J: m! U
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
2 x3 y+ g7 U% Q& d/ B' q& ?let max-trade-money 0" Y9 C2 U, G' b* c
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
$ R/ D7 F5 W5 alet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))1 m0 {9 Q& D p# ~* c6 C
- a$ {8 A! V4 c4 r7 E" t0 T) L
+ L/ {- o8 h' [' G
get-global-proportion
, m$ a3 _3 I4 a b6 A8 Q) jlet trust-value
7 T; F6 w! u& B1 O& X# Xlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)% r7 m( T g, l) e; u; ~) J
if(trust-value > trade-trust-value)( P. \7 Z" |4 I) `: n+ O
[set trust-ok true]
- f O& u$ g/ h1 B Rend
. J$ w% l' d" w2 G: x6 @: m* R, N: r5 `2 P4 X
to get-global-proportion& `+ K8 Y3 U! S9 @9 r& c% g
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)" H ~3 _4 b4 H/ m1 {7 C1 W) I k
[set global-proportion 0]4 S& d, A$ w0 M8 J
[let i 0 G- @8 v1 S6 u( p+ w
let sum-money 0: y* ~5 Z* N: J" ^* i9 U$ I3 ~' s
while[ i < people]; l3 N" u/ V" Y
[+ B! z0 _# ]) L* F
if( length (item i# p/ Q: A, `, `% }( A
[trade-record-all] of customer) > 3 )
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set sum-money (sum-money + item 2(item i [trade-record-all] of myself)), e# A1 T2 r/ b7 I
]
" S: A S! p5 h4 g& g]
; A+ H( p3 a+ x. blet j 0
# j" Q! c5 \" v; u0 zlet note 0" L8 e% L- O$ [& \& f: _# q. h
while[ j < people]
) O: ?2 o# r7 g$ x[( e4 Z! c! X' g
if( length (item i; k! @( c1 f4 K' S9 L% m
[trade-record-all] of customer) > 3 )
2 ~( @8 f9 }3 k* s! [( [5 z[/ k2 k& S" {9 d
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)' u% B5 y/ X; P1 H, R
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]: `* v, f: R% C N
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)], i: ^0 L+ _$ B8 J6 E
]
" t8 n! }$ s* q1 @) _/ m]
. N! X9 L. O5 O8 e2 dset global-proportion note* R+ i- ^; ]+ l. `
]( K: @$ t8 d) g
end2 z I! }) w$ R- b+ K3 N
l& b& U: |5 \0 a7 n- xto do-trade6 T4 R# K7 y" Y" y4 T; g
;;这个过程实际上是给双方作出评价的过程, N' n/ R* e, G) C D0 x9 m& n
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价# c9 L4 \, B; x' W
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价9 h8 v+ S2 B; M
set trade-record-current lput(timer) trade-record-current
& n7 O2 F4 {/ Y9 ^: m;;评价时间$ o! m$ F3 o8 J/ m
ask myself [
$ c G; B9 w4 _# J: r, d! Xupdate-local-reputation- r' X" s, X. f7 u
set trade-record-current lput([local-reputation] of myself) trade-record-current2 v% l2 n/ X& e8 T Y! w$ |; D
]
3 |( E* V# S! [set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself/ T- j$ s% z$ g
;;将此次交易的记录加入到trade-record-one中
% Q3 l) O1 C6 `7 _set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)$ }/ I' Q2 M" v
let note (item 2 trade-record-current )
1 Y @, j; ]: ]6 V& ^- i2 k+ zset trade-record-current
7 z9 T3 p/ P$ `6 h4 [6 ~(replace-item 2 trade-record-current (item 3 trade-record-current))/ ?6 _2 {( Y, {0 Q2 z
set trade-record-current- [4 T+ D7 {, b6 e
(replace-item 3 trade-record-current note)
+ n3 z+ v3 f/ B9 z' a; z/ H5 {2 _( ^ Z
' ~" ]1 @% W; _9 U4 s
ask customer [
6 j& D6 L" K p. U$ a* Fupdate-local-reputation: Q, v4 f& V+ b- k0 C
set trade-record-current; ]- j3 o* O* }7 `" m3 Z
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
t) ?# f# n0 l& H0 H0 a' @]
8 b! H; E- ~0 R0 C2 m! t" q2 N! H. D# H* K ^" W
" A R" L- s9 v3 b: `set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer1 K) b" Z6 M7 i* W& E6 J7 {6 V
" m* T( d1 T3 p7 S9 F. _3 x+ Nset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 c+ m! g/ U% l: Q: N
;;将此次交易的记录加入到customer的trade-record-all中
1 L2 b% y; F+ n. uend
% `' k! e6 O" _" s5 s* t% n' `8 }# X+ F }8 A
to update-local-reputation" Q% I3 P6 c0 m/ {) i) O
set [trade-record-one-len] of myself length [trade-record-one] of myself" C; ?6 Z( x: N. K8 g# N Z, }
$ n, Y* e0 B; o2 h5 K4 A
4 e" f7 Z5 x5 e( @
;;if [trade-record-one-len] of myself > 3
, c9 `* P9 i: [( c% zupdate-neighbor-total
1 Q) s( b: @% z* J;;更新邻居节点的数目,在此进行5 L1 W6 Y: u" h) M6 X
let i 3
! p! R; c, i4 r, X, ]let sum-time 08 T J: @( x5 l( B9 C1 o$ f& u! R7 R; ^
while[i < [trade-record-one-len] of myself]
# q5 }% G/ K( p9 C[% y4 B5 k, r! N
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) o9 }" q5 K, h5 F
set i
% r7 x- q* u1 i( i + 1)
& p# p+ w& Q( T]) z/ } w- M, o g
let j 3
- [0 P5 x0 l4 ^! U0 H. O* Vlet sum-money 03 Z4 O5 b2 h% H H+ t. u
while[j < [trade-record-one-len] of myself]
) ?+ ]& ?# A" h* S[
! T4 l* @- B& E' gset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)$ M) \. x6 M# D% x$ x7 k, r
set j
, W* Z1 o9 k$ K! |( j + 1)
* V9 {; E) Q" H2 F1 H' w+ V! o]4 B4 t. C1 K) ~, M
let k 3% y- ^2 J; E1 h5 x$ \8 K
let power 0: S3 e; d/ j9 g* R" F
let local 0
6 G! h5 s: h6 ~; }while [k <[trade-record-one-len] of myself]2 c) ?" X: A$ }& U! _" R9 I
[2 W) l- a: Y& p0 o1 I
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)
" Z" M' M+ V' F- v% Yset k (k + 1)& b% o" P! i1 e0 P9 v5 h4 n
]* i. E' k. j( I# V: e2 x- _% R
set [local-reputation] of myself (local)
( X' R' B @. j" J' N Vend: {3 \$ l9 ]* |$ d
Q: }- k& K# b, K1 I; d
to update-neighbor-total+ @+ R l b/ }
! B3 l0 j; c J0 E$ Y" |# D! y
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
0 }+ e3 N f9 s; G; c. @
: ^2 i$ h% t9 q
% b6 Q% `6 w. Z" S: |% I& S0 Nend
/ `+ b; F1 e2 i+ x9 ]+ z
; r0 W2 t* [0 |/ Lto update-credibility-ijl
i% e1 m' C# r, Y/ g' }) W2 Y+ H( P& P8 h8 i4 W9 q
;;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。* C- c8 J5 L; @9 z0 g O4 J
let l 0
6 G4 n' E$ }' Z; Lwhile[ l < people ]
7 s8 O. |. d% I, S6 {# ^;;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5 z. K: d& b- m
[
4 w' M# {3 F' V( H6 {- `0 Clet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
3 d$ t8 ~2 H- o) \if (trade-record-one-j-l-len > 3)2 M; q. _9 `& s2 O( P1 ]* 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
4 S7 J; }, x0 U, klet i 3- X- N/ U; e: H' w
let sum-time 09 Q y- L' _3 l
while[i < trade-record-one-len]2 t5 w' ~7 {' S
[! h- \ z$ p$ E6 a5 p3 m
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )* L& L* k0 E. d' t/ h' S) P v1 ?
set i. d- `$ a$ l: v: v! [- @
( i + 1)- U' k3 w7 v) @( T
]/ J, s2 b) z$ g% q3 w( m
let credibility-i-j-l 0
: U1 k4 T+ T3 e;;i评价(j对jl的评价)
; t( E1 y n' \+ ~* ]let j 3% X6 b5 d4 |. N, p* y6 l2 t
let k 4# V- ]5 [5 c( m: D
while[j < trade-record-one-len]9 T- I3 Q! e. H
[- a# c* I) i2 l K, Z% 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3 K" {( z( T2 S0 ~0 W! Z
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)
1 p: L% `; O5 S0 R6 s$ U0 J$ Iset j$ b2 T9 w) y0 j9 K; ?
( j + 1)& y2 z H. Y: M' Q* S v
]8 z# E& `5 X" U2 E4 ~/ w# X- n
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 ))
: C- t2 L' E7 z2 `
$ C0 ^4 c$ w6 h7 M4 U0 f
4 I3 x/ W" H" x+ D0 Clet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))- r- C0 b* \( K, S/ P7 X
;;及时更新i对l的评价质量的评价
- y( d! ]) p" ^4 x- f) ?: Wset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
$ e6 {" D2 n4 ?. nset l (l + 1)/ S# O2 [9 l6 g( O
]: Z/ G( z1 R4 [* y% Q$ F
end7 ]6 \- D* G, X
) \5 f2 H3 Y6 a( c! g" _to update-credibility-list9 k- d+ c4 H4 N8 S
let i 09 a: J; y- S" n/ q" X
while[i < people]' P2 f d. H* ] j. y. \0 x. G0 A
[
8 u' y1 C H# T2 `% D" d; xlet j 0# f- N' h+ E" F5 F7 k
let note 0
" o) F) h/ x. Alet k 0( p5 P! ?: ~( \- \: F
;;计作出过评价的邻居节点的数目7 t# k" C, v9 D& [
while[j < people]
! k$ l% r6 `+ |+ R[
7 N; n! Y: r7 D6 j/ h, vif (item j( [credibility] of turtle (i + 1)) != -1)- C0 K) C- o% C6 d1 _+ U
;;判断是否给本turtle的评价质量做出过评价的节点
! S' t3 [6 k4 P# b: v$ W# H' b[set note (note + item j ([credibility]of turtle (i + 1)))5 }& q3 c2 L N
;;*(exp (-(people - 2)))/(people - 2))]
; V( S# y5 _ X- }set k (k + 1)
- y. r, @; T- A# U9 x0 z) D]1 k# |; L' M/ [3 u F s2 U
set j (j + 1); F, e- M3 L) u4 c
]
7 L% u- h& a* J& E( Aset note (note *(exp (- (1 / k)))/ k)% M" ^4 a! b, C/ A: ^& j- i8 q
set credibility-list (replace-item i credibility-list note)
1 D. w. Q4 N C+ qset i (i + 1)0 D$ u7 r* r$ ^) H
]
9 [. @ Z# y8 y) U# {end
, l) F3 {& T) F* H2 k" j2 [* b
( R! x* v( r8 u6 y9 J: eto update-global-reputation-list, V) _# Z9 o) v8 @9 ~3 M0 R& M5 D
let j 0
" k3 T% j6 \2 pwhile[j < people]
# f/ [3 ^% p5 B6 `( \6 X- |$ X" d[
$ C: d1 J3 N( U' Y! e% _let new 0
2 v" P6 T( ^( R+ W' b' |;;暂存新的一个全局声誉$ t: [% y9 g# m
let i 0) q ^1 l0 P7 H: f1 t! W* U2 r$ m
let sum-money 0
5 B) @* n% w7 _; J, @4 G* Mlet credibility-money 0; }8 U. T9 e$ j, S/ U' ?
while [i < people]" k' t/ ?6 y- E8 ]& Z
[/ ]) E8 V7 A6 c( X' z8 Y8 i
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
. ?3 C9 Z$ O5 a, x+ Z% }. E5 Vset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
, W3 a' T v9 B$ m, V! c, W8 \7 Sset i (i + 1)( _. T/ p" p8 s7 N( b5 `2 H( {
]
; i) m: o$ P$ slet k 0
& u& j3 O0 w3 M! p( i7 \let new1 0; b* \1 I8 F0 Z8 D2 @! I* {
while [k < people]# p/ ~4 V8 _; N( G- w' M/ S4 P3 `
[
; ?6 r, L1 [0 U+ }, K; Mset 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): S* K/ `0 f* u; V$ W. S2 b
set k (k + 1)
/ |$ z1 \9 J! b]
! e0 V6 F/ I; D7 A' S# J% ?set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 9 n6 S# |/ P% v) Y- C k; `
set global-reputation-list (replace-item j global-reputation-list new)( _: f# p- F# ~; r- M6 r& O) Q/ A
set j (j + 1)( r& \; k5 |$ y; q1 L. G0 i9 h4 |
]/ o/ Q0 L' y9 n' j) S6 @
end7 T! _* k1 ^0 \+ l
$ i% c }& n4 C7 N1 f
, ^" V0 O5 W8 C% c8 Z' R8 j. R% _( l7 D5 ^0 M; P& K. P# i6 b
to get-color! D" C# P7 A+ a" J) E
" f( M, Z( p7 _8 {" X. z* gset color blue# ]$ U3 F# Z" O# _+ \) j
end
' s- }4 l. _1 U! x$ I/ k# I: x' C
/ l/ s+ x; a* V% q/ hto poll-class
3 S4 t Z0 K u& X! oend
8 N2 i0 s9 M7 z0 t. ]6 j" E/ {+ M6 f# |4 |8 G. N; {; c+ D
to setup-plot1 B% T& w" t% O+ i# i; A) k
4 ?& p; F# M* a* iset-current-plot "Trends-of-Local-reputation", d* c0 `3 ]9 _8 A6 i0 B
7 o. z% [: I/ tset-plot-x-range 0 xmax
' Z, s- @: u3 S& e; l
- ?4 P! ~! g( ?' M! T2 Zset-plot-y-range 0.0 ymax3 ?, N1 {! {. n+ h
end
, @& ?6 u3 c0 ~- [) c4 B
) S: L* n6 k( o' J) Dto setup-plot2
5 u2 z" \% C, U! w' x( x3 E6 }& t
) Q- c5 ^. P( L: _, oset-current-plot "Trends-of-global-reputation"
8 m* o$ K0 q6 a$ f, r5 _' r
) n( k+ t; G7 V' P8 w F$ k( q; uset-plot-x-range 0 xmax
# ?% k. P& R. g5 V
" w# z4 f; n2 l5 z+ Oset-plot-y-range 0.0 ymax
) l5 ? S) z6 R" |; v( `5 B8 S, send
/ x& P* G. @. Z/ e
3 i8 ^5 i# D% Tto setup-plot3: o+ M: ^0 @; K3 C3 r
/ W1 R8 X$ C' I) i; Sset-current-plot "Trends-of-credibility"
* J; R/ L# w+ l A
" D' ~! a; b! z0 O8 p+ I iset-plot-x-range 0 xmax, |* Q2 w3 _' s* S
' @' o \3 `% M& A* l
set-plot-y-range 0.0 ymax z) A d% g) ^( S' _9 O, \
end
r, K. i- ~6 K9 D0 r3 |1 O
) \$ s% I! w/ O7 O4 \" V6 J5 d$ [to do-plots" ~0 V0 A3 E9 N( x& I0 g
set-current-plot "Trends-of-Local-reputation"
0 W' n5 N8 u$ I8 V! S/ Z9 e+ Vset-current-plot-pen "Honest service"2 U. b- h, j7 I' p
end
; o3 |0 F8 W7 E
! X) V2 R& C# s4 t2 ][ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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