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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
. g5 [ b ^2 C" N" ~; lglobals[1 j3 c1 m: ], Z0 b R# S
xmax9 m m+ a: R8 O' y7 D, w3 [0 z, H
ymax6 q4 d- A/ `7 c& R2 F- A, {) Z+ D! n
global-reputation-list
- e2 e, ~7 u }; c/ f7 S1 D) G" G# Q/ c& p! K
;;每一个turtle的全局声誉都存在此LIST中 @" c' c; R, e, I* q# p% W( J8 e
credibility-list7 [. b- Y6 W+ | N7 A
;;每一个turtle的评价可信度
* \1 g* z! A1 A% y0 K& Khonest-service
! @: t7 }, A! Z0 h2 |( I) X4 tunhonest-service% ^" Q' X0 s! z" G
oscillation/ n' B0 I3 N; k) q7 n, L& P6 z
rand-dynamic
' k. X b8 X t( `- Q* U1 u]
2 @3 q8 F# Z" ]' n/ |3 I* h8 N; F
4 L3 @$ G2 N1 p4 Dturtles-own[( h$ ]4 j% S3 V+ N
trade-record-all
6 l& }2 G/ Y, R! X# c: N;;a list of lists,由trade-record-one组成
* k* n/ G E7 Xtrade-record-one
5 F6 g/ A) ?' a" [' l) G" Y2 r% Z6 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
, f" J- v' m. g! g
% r0 v9 g0 W5 F$ l; a; H( C;;[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]]2 A% ^' X* g' U# R, h
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]
5 a& H, k/ e/ i# ecredibility-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
8 m: i6 B. i3 w. Sneighbor-total
. a5 n, I/ a' C, d4 \5 l# ~;;记录该turtle的邻居节点的数目
. C, ~+ v& t* dtrade-time4 d5 a: Q4 P' ~, Y
;;当前发生交易的turtle的交易时间# y. Y1 J) _/ h& k: \
appraise-give" Q9 h/ T) e4 @& M
;;当前发生交易时给出的评价
+ Y- v) U2 x7 {* T/ P( Cappraise-receive" \; x# }1 O5 p- @, K' ~
;;当前发生交易时收到的评价
' o/ L+ B4 M0 E7 j {) w" G" Lappraise-time
6 |8 K" x7 ]! h6 s3 V# G* S* M;;当前发生交易时的评价时间" @6 C9 i+ N9 t9 O2 g$ i8 q
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
+ i: K* c: d8 xtrade-times-total. H: T$ B# I& G* B* g* \! c% N
;;与当前turtle的交易总次数1 M( [/ u! z9 k6 v( t
trade-money-total
+ w; {' B0 J: P* [2 m;;与当前turtle的交易总金额! T6 H d$ u+ E/ G, |( @3 `
local-reputation- H2 d" C* }! e1 t
global-reputation
$ A4 F+ P# W0 ~credibility- [% M# l, v0 _% Q
;;评价可信度,每次交易后都需要更新
' h+ Y4 ^7 t, E' n' E' J4 lcredibility-all- t% k8 S5 _: R, l5 k- ?0 M
;;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7 q. z% T& Y- j. H) `
6 h. K8 G0 O8 W: D2 G0 d;;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
* |6 H, \( y+ B& K8 ?credibility-one
3 ~, J2 w O( e3 d' m9 V0 x( g" h9 x;;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$ W2 s4 M- H# s
global-proportion
0 U, T$ G% p* F% t+ Ycustomer
4 H4 n0 B# H' G1 P5 Zcustomer-no. O# Z/ q1 Z C
trust-ok& K9 X P. ?) S! E4 s4 l9 j1 ^
trade-record-one-len;;trade-record-one的长度
z! v- F6 S( f]' l1 H1 O& t' D' K1 h" k
, s4 N1 V) ^' W" [8 d! ]' v0 z9 L;;setup procedure
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to setup
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ca: n: Z/ V9 K: h, |
+ P" V# \7 L' ?; O* F
initialize-settings" z ^: m% U* g3 f4 Y5 m
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crt people [setup-turtles]
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reset-timer
8 u# {4 E9 I3 R2 u
+ d( _, e. A) x% Upoll-class. H7 o" @" P2 Y- d% \% b
# m$ \" c& p+ z' T }$ {: rsetup-plots# e- n; x! h& C2 h. J% l2 Q% b# W
, C' Q- ]8 I: l2 bdo-plots, i4 L/ J- B* ~4 y
end7 h) ~1 @) J# _& {
5 C9 Z' S/ F, j4 t
to initialize-settings- _6 y5 i6 @4 ~* l+ x7 _* J( K T y2 }
% k1 X- N2 X" Jset global-reputation-list []* f$ e! ]# m$ [1 w; Y4 H6 V% S
! J" z Y' G) V7 J7 z eset credibility-list n-values people [0.5]
/ x8 O" R5 K9 n9 w% n
& D, m. D( ^$ S; A* }set honest-service 07 q# J; L5 N7 b
+ z' `) f) u% S! O7 O q$ Cset unhonest-service 0
* i/ _/ d" T/ ?) [; b" R( D; c( e( g. D9 B7 `$ _
set oscillation 0( W# c6 K% S! E, W4 t! I
9 {* Y: Q E7 }2 Iset rand-dynamic 0
0 j7 m* f9 @ O R- I, bend4 t9 G1 ?% B, r3 t9 C/ O
6 a0 Z1 t) {3 }, A6 h% T# ]to setup-turtles 1 C1 A+ a* t9 {2 S+ z
set shape "person"
! ^2 S6 E* A$ L9 D+ s; Ysetxy random-xcor random-ycor
, [. Y2 G1 A1 K4 D7 l% @6 W& Qset trade-record-one []
8 b, N0 ]- p/ o7 H* ?0 |# C5 q, I6 c0 L r, o* _/ d6 A
set trade-record-all n-values people [(list (? + 1) 0 0)] 9 y0 _6 V6 @. J* K6 y1 F1 l) T
; W9 c; U3 y( g }$ ^+ [4 r
set trade-record-current []3 z8 ?+ `# z* P! V0 n/ b. P4 o2 U
set credibility-receive []+ V. f7 T: i' |9 A, `& m# k$ w
set local-reputation 0.5
* e# o% v' D7 u* S3 E; p6 H- Wset neighbor-total 02 v3 v3 l1 C4 |( `
set trade-times-total 0% ~+ x% H2 `7 p, N& I6 A
set trade-money-total 08 C4 l- y9 [# H- n2 j U
set customer nobody
% k1 K- ~# o5 [% ~( q$ j1 U( _7 @$ fset credibility-all n-values people [creat-credibility]
- J+ L& z. ?& V$ Q2 K; Q, dset credibility n-values people [-1]
$ w: z9 k* }5 G5 |* d$ \get-color
* L- K' I1 T0 j0 r0 L7 l# g8 ] Z0 c! [2 e+ I, f! @* X5 y
end! Q6 d3 m" H9 r- k+ @! h3 f) C5 M. I
% ?- c4 _, X) A
to-report creat-credibility
7 ?* c8 @ {/ ^- Y/ v' _report n-values people [0.5]
# j6 y1 O6 X8 n, aend I3 ]: v0 m5 W, Z' d
I* O! J! W! y# R' V# g
to setup-plots
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set xmax 30/ o# W* }% N3 S* Z: e! `. D X6 d
3 r# u0 I6 v( A
set ymax 1.01 h' @1 S/ G4 _, ]4 N V$ E
2 n) m, H j! e" Vclear-all-plots
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2 t7 T; U3 E2 x" o0 C( Gsetup-plot12 M& e0 b. J) Y1 Y* G* B
# h& S; s7 _, t& N0 ]setup-plot2! d: C. J' M( K, @' z% e6 ]! w
) }- |- Q( q$ u, q6 L3 S* C. K
setup-plot32 f0 i& _. U; y
end7 r1 N$ `& a) y& Y8 ]* q( G
! k( s6 A w: n0 W;;run time procedures: @6 i3 _; U1 U8 b
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to go
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0 n( F5 r% Z6 h7 c. Mask turtles [do-business]$ X/ a8 _1 T; k- i* |1 K0 ~
end
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0 |1 R4 ~) v2 ^, }- Oto do-business
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4 ]0 r* _6 I2 k2 a0 o& }rt random 360
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fd 13 d1 M/ b: |4 E$ O! X0 U' s
# c6 L* m5 \% Q# Uifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here- @ [0 }$ P3 @8 A9 G
3 G4 A" j. o) B' N, ?; b5 ~6 L
;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1): A( J& [1 T2 m( p% { Q
[trade-record-all]of self. x: h4 a) {; w
;;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), L9 `7 k: ?) ^: b+ X0 B: f
[trade-record-all]of customer
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( z; O7 C. d8 Bset [trade-record-one-len] of self length [trade-record-one] of self
$ }, D C8 a" Q, e4 T* V4 ~
7 y( p0 R' t. h' tset trade-record-current( list (timer) (random money-upper-limit))
5 s9 {% I4 u1 g& D# I- b- e* @' B/ `
ask self [do-trust]" }. }3 w6 D" D3 F* _
;;先求i对j的信任度4 T/ S+ P' z3 m
/ V2 v ?5 B% N& o. S4 tif ([trust-ok] of self)+ G @) \- b0 a( k$ w0 _6 w( [
;;根据i对j的信任度来决定是否与j进行交易[; t4 Q5 k2 k/ w/ k3 u( R
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself* D' U h: a3 J+ J3 O1 m
' y. z. y7 f( M# t( n9 Z$ j[6 @9 \, Z4 I+ V5 s( P& {
, U. t9 w) E7 z8 h9 Xdo-trade
$ u8 i1 p! B0 Q, u5 R: `* r) U; [+ R* _0 y' e3 O1 o) b
update-credibility-ijl( X- p# |1 P+ f" j' A* E( y
+ E1 C% ~5 x. F Q, o0 v7 {update-credibility-list
( `3 O/ H" t& D, t6 k. _5 F' ^( h! R" H1 v- r5 \, j" O
' ^5 o/ p. r0 ^# n, h
update-global-reputation-list
! Z" e/ Y4 {+ X' c9 J" T. P% n) @+ G. ^) T' U$ c8 B
poll-class- ?0 w, m$ J9 u% A t; S$ v# L1 {
; d3 ~8 v% @, v7 s2 Tget-color
0 `7 W: n) S( d+ E( M8 n- K
% U9 c f3 m& L; e* k: V; k]]* o4 E4 R. x: r' w6 x% o8 \7 R
8 O5 z$ B5 M: g; R) L8 i
;;如果所得的信任度满足条件,则进行交易2 G7 @" s- r0 J8 v. ~
( D. X4 Y( C, _
[3 z! s/ S% e% X+ X
$ q# a' u* E) V& T' e+ K- Q3 Prt random 3607 i- J8 q) g, v1 g9 n* {, w
+ f" \0 A! T5 _4 `4 [! S; P4 Ifd 1
' l& S0 O9 r& }+ D1 ?2 t) `# J f2 }( B" _
]
/ J2 m0 s1 g* D/ a9 E T- \
* ?) @& Z6 J& o0 Bend$ V" X+ ^/ {7 m2 Q' i
7 T7 M( K0 l! X( |" d! o+ k
to do-trust
0 O- ?9 G9 F% H5 z* bset trust-ok False( H; _: B6 o' l" ^0 J3 r, ~( X2 l: {
5 J& t$ t* i$ k: O Z5 g/ T# }' T
/ f" V. }7 P% `
let max-trade-times 0
; f# y2 b1 b9 [4 M) D! X Gforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]1 x2 w, H+ m( _" |
let max-trade-money 0
+ v0 B- G3 B2 n; f1 [foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
0 y7 y# a8 f; }' |$ plet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))/ K6 _% m" L. O9 y) O
" ~/ ?/ n8 j! I# v! b' q3 G% j. p
7 y6 Z' b2 W& _3 |get-global-proportion0 v; u" o% v3 s9 N9 i
let trust-value
) j$ _3 q0 \; L3 n7 u, X$ @2 D8 ?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)1 O- W$ j' t2 |! B0 C( y: S3 F+ P: I8 B1 J
if(trust-value > trade-trust-value)
& L5 t% m5 L; C7 }& h5 y[set trust-ok true]
& T0 _/ i5 H3 hend
% n/ E) g( H) k' Z) i- Z5 P' k5 Z
- s& }, S3 u! ]9 B+ kto get-global-proportion! R2 u! U, J( n- a/ R
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. W5 d0 ?' b8 \+ W$ H[set global-proportion 0]# X1 z- X. k; X! h; X
[let i 0
( n* M/ A* q4 \1 `4 E/ zlet sum-money 0
# Y& N. j9 ]% P2 F' u) g, I$ P: Lwhile[ i < people]" u. E! X7 ]( V7 l0 `! `
[
: r/ [2 h# C7 O e# dif( length (item i6 q, ?5 \+ h0 p$ u- T+ I( [
[trade-record-all] of customer) > 3 ); I: w. u) D. ^/ g% ~
[
6 @% M3 V& O2 _1 iset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
, P6 y5 j, b% Q* z' O]
2 l8 t) a9 y" ~) c1 i]
' e/ @' I& y6 U2 rlet j 09 i' o8 M- T u" ?) Z! N5 e; b. T' Z
let note 03 C* X5 q6 \) h
while[ j < people]
# |/ h9 U0 i7 L' \& O[
9 r% \* w7 A+ U/ Bif( length (item i
6 P8 N" n5 n1 t0 y/ f3 g[trade-record-all] of customer) > 3 )' j$ Z4 W2 ~: ~! l
[+ n# e% `5 |. ?. r
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
0 E8 i q9 r1 ^ |* @0 {6 L[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
; ^0 a" v* L" G" R( c[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]3 y1 X' j! o; q; e1 R' | R, x
]6 l6 X& K2 w' y6 f0 Y1 U y
]9 U& D! D: a( E9 |3 Y2 D
set global-proportion note
; C3 [& o( {2 z0 m8 i4 o7 H4 ]]0 D8 I! L# I& I- }5 h' E) o
end
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to do-trade+ {4 q( T( k+ P: m& o3 V
;;这个过程实际上是给双方作出评价的过程
- r2 k- U5 d1 y! Zset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价 c! v2 i" t% Z7 ?5 ]9 ? z7 D1 w, {
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价/ F6 b7 w* Z" F5 }) ?
set trade-record-current lput(timer) trade-record-current7 D# k! ?, m3 a9 t
;;评价时间
9 n. H. W3 l5 Eask myself [3 h! G4 \, C* U6 a2 ^9 \6 e
update-local-reputation
2 J9 ] w! k) U4 o9 s) sset trade-record-current lput([local-reputation] of myself) trade-record-current
6 w9 F0 R& i- q% c]
+ V' o4 f7 ~' Gset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 [# h- Y. b/ z1 R; w;;将此次交易的记录加入到trade-record-one中 L, K( Y2 i( A2 q1 a- }3 J
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
" u; y! W/ v7 D" H0 ~; `( w6 Qlet note (item 2 trade-record-current )
; o: n. b6 g. a- l* a. y3 C1 ~set trade-record-current- S/ u. s6 {5 }/ ]; u! Q
(replace-item 2 trade-record-current (item 3 trade-record-current))
- R5 Q" B% ?+ W6 S" e: [4 R) w, k0 bset trade-record-current
' y5 `6 t* f, a: N" n* Q(replace-item 3 trade-record-current note)
3 N2 U: V; S; ~. P: N
3 k& _, } e4 r$ `2 T
^% ~+ z% l$ t8 N: g/ v7 Task customer [
' `/ c+ ^; ?* ?, N4 ^update-local-reputation/ @/ D0 f7 d$ H
set trade-record-current
7 l$ N8 B F$ v. |+ u' }; ?1 {" b(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
1 W8 ^' x- p a]
1 R4 v- C r7 M! j0 G' C
7 T- z+ S4 l& T2 E% v- y
/ j' I! v5 N) e; \set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer7 g- g2 L. @; k: a
- U: Q- f1 S" Nset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
7 ?) D; T, S& Y d8 G;;将此次交易的记录加入到customer的trade-record-all中
) |( M& d% o& S; m9 f, G/ kend
$ U# J, N6 G. f q, q6 M; c
! B, S) [1 w1 pto update-local-reputation6 c9 N3 v9 q/ b o( j: L
set [trade-record-one-len] of myself length [trade-record-one] of myself6 ^; W3 d7 n0 G7 [2 O [5 r
) N6 O$ V. F/ h! h2 M5 n
5 u. J! W' z d) _) b- D4 U3 K;;if [trade-record-one-len] of myself > 3
3 F$ P* s# |/ s" L8 ^" N4 y( iupdate-neighbor-total, M0 A; |$ w2 J2 V+ r
;;更新邻居节点的数目,在此进行
0 B& ~# ~- ?8 j) ], W! jlet i 36 |" s4 x" d- \$ n( \
let sum-time 0
* v9 Z% J, a, y: w1 ^: d- Mwhile[i < [trade-record-one-len] of myself]# r" ?8 [0 s1 D: ]' W7 q
[" Y+ Z; ^9 n/ q+ U, h/ t
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ) d# j. @; o! _7 N. b' g
set i
% B* A% m1 U' R) y8 g( i + 1)
8 A$ a+ @+ @, T5 O @( z]" F7 A0 h/ e5 {7 D& X$ r+ I g
let j 36 j' I3 X, D* G; Z( f
let sum-money 0* X# |1 V" `4 i/ m6 }9 r
while[j < [trade-record-one-len] of myself]
7 ]; U) k' h: [- ]: V U. A[! N% Y7 e0 Y1 T' ?; ^: ~
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)
! z9 j( ~8 V) l2 w3 t/ g9 lset j
" }" K5 r. t* J( j + 1)' i1 p- D }% E# L; c* W6 u+ Q
]
( c3 X& ]" t: B% olet k 3
) F: J, ^! }6 e1 y$ ^% K# a& llet power 0
1 }$ q2 P4 K7 k7 Q7 r+ U& s* ulet local 0
7 x0 Y( z$ B, ?; L( P" Y: wwhile [k <[trade-record-one-len] of myself]7 Z4 W9 V( D; A9 V* W* M0 c* l
[; W* Y. m' o0 Z1 f3 V
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) / h" O4 t2 V$ I+ \
set k (k + 1)
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4 X L* p; _" C1 Mset [local-reputation] of myself (local)
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7 c6 i$ e. e2 |6 I. W# ^9 v2 u
to update-neighbor-total
5 G' @ N+ e9 p& d
* K& j% S5 e# k7 ~; w0 Vif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]0 S# N" O. s9 O* Z% g- ]" a7 @
& U. w6 y5 g6 ~ [# G1 E1 t" u: z7 E3 i: b, ~
end
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6 u$ D/ v5 s6 \& `" `9 lto update-credibility-ijl
+ R7 O" \' s3 Y2 W2 |& u7 z% C( W
% X; x4 {( B Z' W w8 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。' \9 @; X W7 @! W" J
let l 0* e. F+ a4 j9 \, p' \
while[ l < people ]: T$ J" Y8 f+ r
;;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& t# N# y4 W5 `# Q. ^0 H
[' |2 e. d$ E, g c3 z, W
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)% v) p7 G N, s5 m" A2 C1 T
if (trade-record-one-j-l-len > 3)# `; l4 Z0 K/ ~# K1 u, b
[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
' ~' q7 E' d& d1 [, N. ~( Y. z3 rlet i 3, }+ o2 \. ] |# v
let sum-time 0
! l j$ r* n: W: S+ Iwhile[i < trade-record-one-len]
: ]* a `' F# a[
) Y2 _* o3 ^" J2 S: q8 k: B" zset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
9 S% N) s5 \; A4 N) \set i, k! b) v6 o, J1 _/ S% t
( i + 1)
7 T+ q j+ `* G* d4 @/ \6 R' l& g, k]
& {9 P. Z9 F1 q8 u. y- ulet credibility-i-j-l 0
+ l8 F2 I. C6 h$ T$ {1 |;;i评价(j对jl的评价)% n5 H; p- F+ M9 g C
let j 3
- Y" g( d0 D6 l: h' Blet k 4
: G) P! y; ~5 S8 J1 s9 {8 Fwhile[j < trade-record-one-len]6 |3 D: _2 p% k3 |4 Z. p5 T' O
[9 R, @! B$ w* y& l5 D1 }
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1 M5 e' m' ?: f/ G+ X3 G
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)! D6 n4 T* m c3 v2 m. m
set j) o2 {: `9 V0 Z" W& h* Z: `
( j + 1)
5 a) a$ g8 V. x% q: j1 ]6 G]( F U' X- t R. @, `+ k
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 )). ]% e2 L4 O+ Q/ P4 r# C( e
5 O5 N' z( W6 v% r6 o! f: w" I. b( x ~0 j, Q
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
2 v8 s6 D3 ?8 e& A4 M;;及时更新i对l的评价质量的评价7 \$ i' p' B2 E& r/ r7 O) f
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]- B& i9 Y! M: O% ^
set l (l + 1)( `: r `" H* v0 a( a
]
, C6 L, |4 \" ?7 q. X7 Yend5 Y& v- c0 o* Y8 P- c* \
: }% d8 }1 H' W" ~" nto update-credibility-list
4 @ g: j- v0 J0 T ulet i 07 _4 x+ G$ g+ f) k
while[i < people]
" n- G: o- F2 w[
/ y$ e* W! h9 n7 a- J; k9 ~1 |let j 0! A# p8 u+ g# `8 |, Q, ~/ d( [
let note 08 o2 e2 S* `9 j4 M! ?8 J8 p0 m
let k 0
3 V5 @; T+ ~8 t; V;;计作出过评价的邻居节点的数目
9 T+ o* V' b9 \. {" C# ^* `+ H4 Twhile[j < people]5 o& z* Z* g7 H4 h
[
- M! q6 T0 f1 Z oif (item j( [credibility] of turtle (i + 1)) != -1)$ X2 k5 S6 e( C* W! B, _
;;判断是否给本turtle的评价质量做出过评价的节点
- ?# \1 g8 T0 m+ s& v; u[set note (note + item j ([credibility]of turtle (i + 1)))6 ^+ b/ o+ q& e0 T% J C: e
;;*(exp (-(people - 2)))/(people - 2))]
. ^1 L7 N" P" }, b5 oset k (k + 1), B; t' l! Y4 N3 j" G. |! q
]
4 J- ~5 M0 U: a2 Rset j (j + 1)+ D9 [. O6 q" q6 \- L4 ?1 X5 r0 `- m* a
], Y9 Y3 |/ ]/ E4 J. R
set note (note *(exp (- (1 / k)))/ k)1 A1 `( j2 K' W; n$ I. ]; p" Z
set credibility-list (replace-item i credibility-list note)5 y/ ^" N# U, y6 E: T
set i (i + 1)/ w4 J7 r' U8 O
]
) x7 J5 S6 x, I6 r! f9 V: \- Iend
$ P2 b; Z5 |# ]3 O
, k, G0 P4 O$ I! Sto update-global-reputation-list
3 u& q) U& i( }5 nlet j 0
. }& W: t9 {, K8 r0 fwhile[j < people]( Z6 w" X+ v* m8 {
[
; o0 I4 l3 R F% n6 {! B2 ulet new 0+ z. u' [( e8 U! s/ X
;;暂存新的一个全局声誉
8 E6 R/ h; E0 H4 d8 I5 F: dlet i 0( W/ j- g: E. B) C' ?% N
let sum-money 09 W! f1 y1 f: S, t& {6 S9 H8 E
let credibility-money 0. D5 E( T" h9 n9 P$ f! P
while [i < people]! B2 `& G; v* B2 n7 o
[% k1 K. D/ {- Q' x7 _' P
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
7 U# }4 i) y% N% l& yset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))7 z% U& v; _1 f0 r- l4 z
set i (i + 1)% s: ?+ x( t; d1 }
] K: {9 T1 I8 ~# o2 `, L0 f
let k 0
9 k# C" K0 F9 ^( D9 Q5 t. hlet new1 0
3 I0 _; ]& `1 }" B' z( C/ }# y! Kwhile [k < people]
7 C" u+ T& z; D[( i" s! \4 @ Q2 N( y& }, @: ^
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)
' G, V0 R$ }* T5 U# t' p+ lset k (k + 1)
; ?# j3 G" H/ T- k9 [, s+ ?3 M]- a( l- z6 [: y8 R- }5 i
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
/ {* U) Q E" J9 W i7 ?; aset global-reputation-list (replace-item j global-reputation-list new)9 }+ u; k/ Y; u9 b+ h
set j (j + 1)2 O$ r: q/ M; f% I6 I
]; t2 {; x7 Y/ L: X t
end
, ^" G# N' |' ^( q9 j E4 k9 z
/ Z/ w: y: u- Y) ^1 e S5 e& a5 `. O2 \% {/ }$ l9 }0 T( S; S! C6 b
3 q! E) |, F+ d2 f7 ~
to get-color) ]7 b2 O: `8 t A) [
* r* L% K9 v' O, Q$ P6 ~3 _ d( g6 z+ zset color blue6 [ `% x; ~6 W' b- e
end
, W6 |+ e5 j! [% G5 }) B6 e
& q5 M( w' n. F r5 Lto poll-class
: l" ^0 e' t$ _end
4 M! T+ s; n" ]' j: Y6 `! O7 G
6 u+ g& N: d" b- s1 Jto setup-plot1
! B4 v V* ] `& v0 n; ~
2 H& Q r/ a f% S" z0 `set-current-plot "Trends-of-Local-reputation"( a- ]. P) \& C1 R6 d
/ l1 O( R I8 c; xset-plot-x-range 0 xmax
: D* z5 y2 h( j( `( K. }/ U
X3 [0 G: I) L4 i4 Jset-plot-y-range 0.0 ymax
3 D; g' n- l+ @3 @, w; D6 A# U$ lend
4 W. j+ @6 a% {( W$ q, P3 }0 W8 Z, D4 \& v
to setup-plot2
/ W) i+ e* ?4 D" u* y5 b
, Q1 H- Y4 e- r9 t7 Y. i: sset-current-plot "Trends-of-global-reputation"5 Z: B7 x' N# ^
+ H; u0 ]6 F H/ z% }/ lset-plot-x-range 0 xmax) b: p6 M% h. R
2 o S0 [1 p! F: j$ }* J
set-plot-y-range 0.0 ymax
: S9 {( _: U8 j! o$ _end. }7 |7 b: x! g4 v `" O9 f: [, s8 `- x
2 `: A$ {! Y% O
to setup-plot3% u1 j: \+ O: }. G' A
$ c' U4 v: {+ a$ I9 k9 D- e' W
set-current-plot "Trends-of-credibility"
; Y/ j: @" f+ M0 O
. y6 Q9 l J K) i5 q0 s( q4 V7 pset-plot-x-range 0 xmax
' P: Z7 V& c2 A5 \6 D# i1 I/ o, D$ b& k* V* d1 l6 q% L
set-plot-y-range 0.0 ymax/ k/ }0 |, J. y* H- M
end! j8 @$ F/ @# i! M/ |7 N
+ X' q( Z+ {/ h8 zto do-plots
9 j5 k! O) y5 {# ]3 u) | J- Vset-current-plot "Trends-of-Local-reputation"
* z9 ^6 J; k0 S' lset-current-plot-pen "Honest service") ?9 G% }5 E. P7 w4 f
end7 O; f' G) g+ F. I: n- F
' K: {5 b6 Y, w3 {; y5 A[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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