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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
& W/ M7 U* j9 Z X: Sglobals[
1 N. V* q7 E5 w5 {* Dxmax
. I3 `) y' ?. k, X0 O$ Y; Dymax$ H) ?4 ]' q! ^& \! ~
global-reputation-list
6 |- j9 l- ]. v( S+ O8 H7 j2 m |" x/ C3 ~: b
;;每一个turtle的全局声誉都存在此LIST中( e* C/ @6 [* y; P' Z- e- r
credibility-list: V& B: |/ ~4 v
;;每一个turtle的评价可信度
6 n P" X: Y) X" v% Lhonest-service0 f# ^# X4 \, K- E( A
unhonest-service
1 M3 y _9 h7 w' E/ x( z$ Y0 goscillation
3 r j: U [1 t! Trand-dynamic
3 _: n5 P: Y9 |2 t6 e]% W0 c2 d5 [) q- M1 b7 D6 `! u
! M5 i) V3 n+ @! t! @" Kturtles-own[2 S3 u5 E6 Q' [( P# j& r
trade-record-all7 q& a0 e. \- v* h; d
;;a list of lists,由trade-record-one组成1 y, A' w- N* h' ?( r& ^
trade-record-one
7 k, k) O4 f& G;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录5 L4 i7 V; E; n1 J' C8 D
4 Z7 n( u) X4 J. V;;[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]]
9 U+ \ ], ?! N2 Q' ztrade-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]
6 `: z- y- G8 V+ Z6 _6 R8 r; {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 a( }* E# {9 Z9 ?' _3 yneighbor-total
) T, `' M" @% a6 T8 |- d;;记录该turtle的邻居节点的数目
+ n. C k/ `/ ?& z; ?trade-time0 t' w0 ^- C1 k$ e5 Z$ x+ K
;;当前发生交易的turtle的交易时间* H+ B$ D; Y3 k7 m3 C
appraise-give# D: t) S' T, l+ j% g, L
;;当前发生交易时给出的评价( r+ p) `1 _- [" {" G P# k2 c
appraise-receive
- i% X" L# N* W \% k! ^4 v4 p0 \. };;当前发生交易时收到的评价/ i+ w- F6 z( H( t
appraise-time
2 I4 L2 L/ L1 W) d1 b" k2 }# K;;当前发生交易时的评价时间
1 c1 Y2 o: H0 U. N* q0 m! alocal-reputation-now;;此次交易后相对于对方turtle的局部声誉$ i( g( d8 x8 p' A
trade-times-total
) K$ z8 f# k# J8 x6 P% D;;与当前turtle的交易总次数
4 ~$ j+ h- x) C8 }) z. Btrade-money-total6 l1 I. d4 j! b0 M
;;与当前turtle的交易总金额$ }( N- T2 `8 F, p
local-reputation+ Y4 e$ ~+ r$ N/ h+ c9 n; Z
global-reputation+ ^3 s+ k5 g! r+ u7 \# U
credibility
, z3 M1 P: @4 f7 o. Z, N;;评价可信度,每次交易后都需要更新$ b$ I6 n U6 J1 R- U0 q
credibility-all
( ?: J. k3 {- M; n" w/ \1 j6 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
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;;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
- t* S/ J: s' N" Fcredibility-one" P9 q. U: T* _0 K; i- u
;;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0 E6 H/ G# S- \! L3 D0 }! L/ O
global-proportion
3 W. O% Z: J4 q- }4 m2 ncustomer
- N" v0 _4 U3 p/ n3 n p2 q- ^& [customer-no
$ l0 ^. J/ P- b+ I4 wtrust-ok
+ r2 L# F x" k, utrade-record-one-len;;trade-record-one的长度
0 @ i' q1 ~" i5 v. r. m& o]
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;;setup procedure
" j$ `4 R/ O5 `* e
6 _* {9 @8 ?8 v# vto setup
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ca3 w2 S* U/ C9 a J1 ~5 ?
% ?$ I q5 h! {' \0 linitialize-settings
6 |! D O8 Z( b
- A* m! Q9 S& J {crt people [setup-turtles]% t2 k% S+ J& h L
5 J4 T: t, D& u7 d" ~& Ireset-timer7 x7 g3 x7 ]* z* J5 M
: ?# F4 d0 ?; [' a6 G, Opoll-class
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setup-plots- b4 U' l0 \+ |+ j7 v( F8 D U
1 s: B( c) f( i: ^+ x
do-plots
: n* G6 X6 _1 d, P6 E+ ?( k5 zend% z3 B0 D2 |, W
6 Z6 [" k: j& B) k8 Lto initialize-settings
1 d' C- k, C+ R. B) B, y
6 H; v& `+ P" c/ D9 Bset global-reputation-list []% m4 W8 h7 V. m; p5 Q/ x
& U$ i* j: Z2 o' h- q% }
set credibility-list n-values people [0.5]
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set honest-service 0: ], v% O9 b; @2 B2 E' \
, d' }0 h( i" ~/ S% ^7 I* P
set unhonest-service 0: `) P+ ?- P& l8 f
/ X9 X9 k& m% M
set oscillation 01 s, i; F4 W! U' m
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set rand-dynamic 0
& A( A( }* C; P" lend# a I4 D# |1 p7 A( ?
! o' P' B2 Y Z% i; Eto setup-turtles
# i. e; j5 |! g* yset shape "person"* M6 S6 y8 g' C. o2 j$ v$ O
setxy random-xcor random-ycor. P6 N0 q3 S7 F) C0 A# C
set trade-record-one []
/ E4 o. D* V8 Y3 ~; J5 |+ y+ n+ v1 c/ ]' \1 D5 S$ o6 g
set trade-record-all n-values people [(list (? + 1) 0 0)]
, P! d- D) f1 i, S& A) |. q. n
set trade-record-current []# Y, r6 @+ q0 m4 k$ d, L. R2 F
set credibility-receive []3 v3 t* N. v$ R d* I
set local-reputation 0.5# e6 k' q, [) _+ G2 I- Q& X6 M2 M
set neighbor-total 0/ F4 s! h* n5 u3 G+ P
set trade-times-total 0
" Q6 ~( y3 S, s, H( y: \3 aset trade-money-total 01 q" p+ ^* p6 D2 X
set customer nobody7 v4 p7 I: n$ i) h5 x& |
set credibility-all n-values people [creat-credibility]
) S& B; I: l# S1 K2 n& Dset credibility n-values people [-1]
& _: `6 ?& g* K5 j, z- oget-color
( C7 C3 v, _' U6 {# e" v# b, v7 o( [$ l8 z
end
2 K$ C6 ^5 @" v$ W
6 m8 f( W. V" X* a' j3 i5 hto-report creat-credibility
& ^2 x# q d& Yreport n-values people [0.5]
% V& g# z2 A! y; O% ^end
% I# a+ ~) g5 x3 P
+ O' l7 e$ f/ I0 M: eto setup-plots
5 A4 w l ]: Z* n+ n: w2 b6 ^" o) E$ `! {- B# ~3 _3 H' t) K
set xmax 30
7 ] i. l8 y3 j2 q6 E; D. F* v& E# d8 B* q# g& R$ N# d$ {0 \7 P
set ymax 1.0' h! ~7 t) f: h
. Y3 h! z. ?9 [
clear-all-plots
, U+ |7 x% B! q, {( M9 n7 k! O: |2 i" {( R
setup-plot1
! {1 t- f3 J% _5 y8 l
5 _, M) x. g( i/ }0 @setup-plot2' Z7 ^, o9 s8 p
^: Z6 X0 a t5 v8 [9 hsetup-plot3, h7 O$ }# Z9 m: `* i
end0 @; Y2 B: o' {
9 Q3 N3 Z+ y8 L4 |/ h
;;run time procedures
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to go5 b$ X/ t* ?4 y* t9 A! Y
: p: E( G/ g/ O2 ]ask turtles [do-business]
+ p1 N3 I2 K, \end p/ F; f; J! R
/ f B8 S" i) R) h) _, a
to do-business
$ F* l& c4 ~( \" h- J, t/ h
! a3 m z6 X3 l, ~3 b9 M. _- a/ k& E7 T0 ?& ?$ y- d( S7 G
rt random 360
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+ f. r" G; z3 a1 ]8 Tfd 18 }) A! x- m- [2 x+ \3 }7 L3 B2 {
6 y# Q2 k: G& q. Y9 x, g- u
ifelse(other turtles-here != nobody)[8 c9 [1 L5 G; D4 l+ i% _# r1 {) Y a
1 d3 P7 S/ A3 U6 T: l( O1 _set customer one-of other turtles-here
0 f, u$ U+ _& J3 k: _. Q+ u0 @. o9 }
* e+ Z( ^- J! @4 D7 G2 q;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)7 y1 ~ m! U# ]6 c
[trade-record-all]of self
5 ^& ~1 G1 s, t;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self* q. d2 x+ z1 c
% S3 e }, V1 z. s6 W! j
set [trade-record-one] of customer item (([who] of self) - 1)
' O2 C" a; R) ?1 i8 }( I/ ?- T[trade-record-all]of customer1 {: O& z; ] y2 ?% N9 m/ ^0 Y
& U$ W1 F/ o& G4 I/ mset [trade-record-one-len] of self length [trade-record-one] of self6 r8 {/ _: V7 N0 H: h
1 l. R6 D- u+ W& K W7 Cset trade-record-current( list (timer) (random money-upper-limit))
* Y& w, W0 |& K \; o* |1 X& g9 V
ask self [do-trust]
& M: R# P4 m" L7 ?# Q;;先求i对j的信任度4 e: E% L, {% r% Z8 p0 D- y
) z! ?% X1 C% B5 ~& m. cif ([trust-ok] of self)/ x9 i- J8 M0 D' K
;;根据i对j的信任度来决定是否与j进行交易[- K# F) i+ r X2 A
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[7 ?& [* y* t8 n
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do-trade
L7 t$ N7 [* U7 M) a* P6 j) A; a3 v: g. s6 P" \
update-credibility-ijl
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5 L) `- s5 L1 G5 D. kupdate-credibility-list6 R6 g" i9 v( B! w
S8 }- K( o- L3 z* j9 o+ T5 k
" c, S: G+ a. r' o6 L; L7 J Nupdate-global-reputation-list: j4 I6 I, q+ Q9 J7 d+ F1 W
4 R9 U4 l3 Z$ \9 _0 spoll-class
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get-color
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, q$ {. ?0 E1 r r]]* B% C" l1 O# `3 {' e/ d' H
1 o6 A4 F( i0 @8 S
;;如果所得的信任度满足条件,则进行交易; I/ v1 ^" A/ ~. Y6 C& @. U3 q
5 ]* a) Q- ]0 v3 m$ O[5 ]$ I+ P9 {1 F' R+ r' B
* b1 i* y* ]" o3 krt random 360$ N; L8 A5 {& R% ]
& {6 g( z5 o. k5 gfd 1' h' k( @3 k c0 w ]
3 \2 i3 x% G" w) z* Z
]
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* t' N% M0 k. ~ Pend4 P4 C8 M% h/ ~4 i7 J7 t! k
0 y# d- j6 V$ H1 V5 kto do-trust
0 c. d' F3 w0 D/ J# @3 Bset trust-ok False
* ?1 W% f! k5 W9 x
2 h& g% j" }$ z$ J8 S: Z" P% S
, I& P) U0 s& {2 k" C" d. rlet max-trade-times 0% r8 w+ c- Q7 e! o: q! G& p8 @
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
& g) T8 x& j. v, a* z' llet max-trade-money 0
5 A" l# x$ ?/ D" N0 q; eforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]( {4 _ \2 P, ]
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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# q: \6 K* ?6 l% T" i; i3 D. w+ @ y' _
get-global-proportion
! T) L. D! o) x6 }let trust-value Z# y ]" o, k8 {2 X ^) h+ r
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)" m) c+ a# K2 |. U, |- f- e; ?
if(trust-value > trade-trust-value)
! c' B( N- ?' ^( `[set trust-ok true]+ F8 h1 r/ Z# b5 E9 O3 ~
end
" [6 O+ N$ b5 M4 g/ j: Y9 ]9 Q0 } K2 p
to get-global-proportion
$ W8 G/ v+ N o2 Mifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)& _4 {; f/ H0 p T/ i
[set global-proportion 0]9 t$ G+ K% E, R& _5 K0 u
[let i 0* z+ {. w! a) D. g) _3 H
let sum-money 09 h1 F4 N4 `7 ?
while[ i < people]& j3 c O( B/ H
[6 N2 g. ^% b$ M2 A
if( length (item i
5 u. }) x9 I1 p7 l5 j x[trade-record-all] of customer) > 3 )
/ t" |1 O( X- d5 c[7 R1 s$ y! Q# r9 n
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))1 P9 ?% c6 M7 T4 ]# Q1 \
]. ]5 X# P, j' J( y
]
. h/ `0 O4 \4 Nlet j 08 I; V" o% A2 `* M
let note 03 r( n" g6 E" @
while[ j < people]% d0 ^; m5 n5 O, L
[* _& m! k& I. d, e1 n
if( length (item i
' z7 v V0 K, n/ H[trade-record-all] of customer) > 3 )
( }( c5 I: k& n. X0 [[+ f- C: Z1 {" ^
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1), M& N4 E0 C' y
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
$ a6 F% E+ t2 s& p0 N' b3 H[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
+ z; ]( m9 }1 @]
/ L F' a' K; v8 l; y7 P]/ V; J$ k) E) h5 G! ]
set global-proportion note
- x7 r' q3 A) C+ r]
. |; `9 d( Y( Dend) O/ ]( U6 P" W" d# L! u; ~
6 S9 |" a: }; P, x
to do-trade$ t8 W+ h5 X4 T1 O9 J+ R
;;这个过程实际上是给双方作出评价的过程6 h% a( w) i1 a/ w% {( ~2 `5 Q* Q
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价3 V. B9 d/ L# p7 k8 i1 o5 A
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价9 n4 M& Q: E% d1 K! p' [" {- {4 V- a
set trade-record-current lput(timer) trade-record-current6 v+ ]$ n3 i" H! G$ [) x8 H
;;评价时间
5 R8 t: @& a9 V3 `: bask myself [
# ]" }1 g, m% x& Nupdate-local-reputation
) `4 \) V* M$ [ G) t3 g, u& Yset trade-record-current lput([local-reputation] of myself) trade-record-current$ C$ k ?. `8 X4 N$ r
]( h3 T, T+ V: y: f4 r
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself3 q j9 T4 }: ~
;;将此次交易的记录加入到trade-record-one中+ A' p4 Q) s- }; q( S
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself), k- H. \; [1 \- r
let note (item 2 trade-record-current )3 |* r* z3 H" ^2 K6 W @
set trade-record-current
% \& T2 R, u- S& X% f" y(replace-item 2 trade-record-current (item 3 trade-record-current))
! ^, j' g% {! F7 r% K& Y( x3 k8 gset trade-record-current# i& M# u8 Z F1 P9 z3 ]
(replace-item 3 trade-record-current note)
# \ E/ ? v! A4 ?3 [1 {, N; N- D2 }, r/ K1 D
" [" }. F# g n- S
ask customer [9 ^ B7 W, I1 d, M! |3 m/ ]# d
update-local-reputation7 [! Y4 _4 n; H8 \
set trade-record-current0 ]* }2 U: q" p5 w
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
# r( Z$ ^1 Z( j4 l& Q) m- g]0 I0 v# M* i [7 Q
8 C4 k) o N0 a# ^- |9 t3 u& {+ E
1 @% ~9 j8 J# `9 U2 {
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer$ T$ Y( E5 m% s0 d8 ]' d/ Y, l1 d
D( R9 A1 O2 x+ V
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)); M3 W6 d1 `) G
;;将此次交易的记录加入到customer的trade-record-all中0 _- |! w5 [5 u* A
end
' ^$ J% B, b& }7 {+ H$ T
5 d: F4 c1 V% f1 pto update-local-reputation7 _6 `+ d" X; N: L4 \: w
set [trade-record-one-len] of myself length [trade-record-one] of myself
0 M1 S5 Q v- c! H0 D
; y, ]) G4 P4 E/ U. `3 w o: `/ j
1 x# [' x L7 g/ o4 A;;if [trade-record-one-len] of myself > 3 ! ]9 u6 |2 L, h0 E: g5 T6 g; g" a* ~5 l
update-neighbor-total
% x! F, [2 x4 M3 M0 v2 l% U;;更新邻居节点的数目,在此进行
# Z' `2 a) a2 p4 alet i 3; I7 [- y, |; } ~1 l1 T U4 c
let sum-time 05 Y I n( X5 Q) b
while[i < [trade-record-one-len] of myself]
3 b% s; Y& y3 N[# Q4 }6 w7 s; W9 Y: r0 g6 p4 U1 g
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
* r+ v4 Z2 T; L) q. Aset i
, r+ O9 x, ^$ a7 T% [& E- ?" s$ r( i + 1)3 k& @1 O- g4 v4 {# g. o6 c
]7 H' ]$ _0 d( c
let j 3
8 F n" h2 O" F( A! s- x3 [5 qlet sum-money 0
) p( ?7 S4 s6 q( `while[j < [trade-record-one-len] of myself]
/ t [. e9 G% P[4 a e0 l3 m' y8 [' R% U) T( X6 t; k# d( C
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)/ f h$ b5 O h j+ O# m% A
set j1 F+ g3 [ j' r* z/ ~* f% }
( j + 1)
" c6 p) R( p8 C" {2 U, W! | J5 N]
0 Y. {- V/ @( y g0 blet k 3
" B! f2 K" Q `, Clet power 0
: N* w- Q' {: ^" z" Q% jlet local 0% L3 V4 U) h! x& x) o& z' V8 u5 _; K6 r
while [k <[trade-record-one-len] of myself]
7 @3 V9 I% R: h* J1 Q" g: n[
9 b1 M6 q) P: V/ ~: S4 N& Uset 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)
$ J7 f! g- {0 _3 h# [+ Cset k (k + 1)
! U+ i" l5 l$ A1 Y]1 h* K8 Z% b! c. m
set [local-reputation] of myself (local)
; X6 S" h U9 T& uend% b1 \, O# z5 A& a7 e u& k
7 f. y3 X8 f7 v8 W
to update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]. V0 B+ v/ F% D& u q% r. {& `* B1 M
: o* z7 J; v: {+ R
Z% y- @9 Y5 w4 c1 Cend; `$ d" F4 @2 W+ b& V, a
- V+ t$ u/ r& O- K7 r/ cto update-credibility-ijl 3 X. a; B2 M; {1 o
5 B' r8 W" i2 G- Z
;;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 D3 r% O5 H: `0 _7 E# olet l 0- |5 o" V- c: B" i; w: q
while[ l < people ]* [1 q6 X ]5 i* I* J# c
;;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)
& m4 v9 f, Z/ a `$ C% U& Q( aif (trade-record-one-j-l-len > 3)0 S% Q6 \4 K2 Q1 P# k
[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+ y8 Q2 k9 X$ M! E
let i 3
6 V! Q D7 T, t) i4 S8 `/ ]. Vlet sum-time 0& a, b, @, W( L1 I
while[i < trade-record-one-len]
8 k+ D) ^; V: q7 \3 `[
3 Q8 V9 M3 f- h, c. Nset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
3 F4 [5 e9 i$ Q. ]+ M4 c9 Tset i
8 U; }9 G \4 S( i + 1)
5 [# W7 E: t. u! y* H]
- J8 J( Z! e3 W! e5 [0 E3 a1 ^let credibility-i-j-l 0% s+ R3 i) m' C; `! t
;;i评价(j对jl的评价) i: n) a6 `- c% D! B' P
let j 3 U \& t1 Q" c1 k1 O+ B8 q4 i
let k 4
4 [ u+ r2 |4 t6 c+ T" t% T- h: @9 fwhile[j < trade-record-one-len] @& t* x. Q0 X1 d ]. \( |1 I
[
& O6 u! ?& `" n3 i2 Kwhile [((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& B; O* |/ i- g4 z" |7 {7 _! n
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)+ W; B% c. G' l' p! _% M
set j2 R h! e4 N: J2 S
( j + 1)+ L) L8 |0 i8 V" M7 v9 M
]
' `: z. u: |, A- iset [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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2 L9 ?0 Y3 Y; O5 ~; @. s% _8 w; l
# ^" d0 H) P) ~9 o' n2 S; |& a0 B! ilet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 {7 J* B$ v8 O/ a;;及时更新i对l的评价质量的评价
7 G- `- G J% s2 W! Y- Tset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
) p F; I6 N' |0 C- Rset l (l + 1)
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end
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; d& O6 A) d" W* Q/ F, K: Vto update-credibility-list
1 z4 s8 S$ m& D" Ulet i 0- j1 k/ J) a1 w( N( n, r9 S
while[i < people]
4 u8 N4 X/ x7 L. D8 ?[
" |: O! Y: E) V+ c2 W; q. Dlet j 0
; u, \% n3 g U" e m7 {let note 0/ z- S, I! u7 M2 f
let k 0
$ `$ ?4 f" C# {;;计作出过评价的邻居节点的数目, }' _8 j; L+ f; ~& I& i1 d$ ?
while[j < people]7 U8 I" i/ P {
[
* p6 M5 C& Y: k; Kif (item j( [credibility] of turtle (i + 1)) != -1)
Q; Z, V& S! m1 F, U1 Q5 a# r9 u;;判断是否给本turtle的评价质量做出过评价的节点
1 m9 \5 P& u6 h8 W[set note (note + item j ([credibility]of turtle (i + 1)))! C9 o+ f/ e6 w) o5 L
;;*(exp (-(people - 2)))/(people - 2))]* J$ i# R P2 G( k. X3 q; ^
set k (k + 1)
7 L1 }5 k) _, o8 A' i]& G& e3 U" f: x3 ~' D: R7 p
set j (j + 1)
/ c: o! X5 H! u- f]
& W6 O! ?6 p( h5 t! b& A8 m) Jset note (note *(exp (- (1 / k)))/ k)
, q& {! m% t( C; ~% G5 x4 m8 uset credibility-list (replace-item i credibility-list note)
3 d: u7 w' f& w9 g0 Yset i (i + 1)
/ d+ x7 m9 w7 v' d]
- v3 W, [( K/ tend. M' E( `( o# U$ H0 @1 x( T' C" {, m
4 @, s/ l* \, v9 V0 {! p3 F8 I; }to update-global-reputation-list9 T; C$ B4 Q2 h$ t& k7 r' ^
let j 07 a7 Y- l5 j: f- F! g, q
while[j < people]8 Y8 C3 ?, e% ^
[- O$ @+ _2 K5 a- I/ ~& z/ ?1 l
let new 0& k+ M0 L! \6 A- {+ @- g
;;暂存新的一个全局声誉
4 U7 C# z% d6 u% R$ c' X1 M9 ?let i 0: o t- P7 M9 R( p/ E) P, P
let sum-money 0
: y7 o8 T/ c/ j8 P& \, C* C. llet credibility-money 0
4 C: e D1 R( w! A8 Twhile [i < people]$ Y- i/ }" q! Y. y2 q
[
$ Q P: D) r* \! u: B# B* yset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
6 i5 _6 ?6 ?7 s; i7 v2 Qset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))1 W+ m2 [% J- w H0 t( b. z; K
set i (i + 1)/ R; O3 p3 v- }/ Q2 E0 z
]7 b3 ^9 E& `( }" V6 T! N8 V
let k 0/ w. N# l/ i) [6 I
let new1 0
0 X J1 Q! ?1 H! p: _( owhile [k < people]
7 a# v8 f4 L5 @0 B[
2 ]. J& F* S$ F8 o) ~+ z9 m7 Iset 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)
5 K. \# G3 A7 w9 p: L. zset k (k + 1)
0 ^" Y/ p4 `4 C]- t7 [; v+ n" \( u/ U M" |0 {% j. ?% J
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
5 S# H0 O- C# R bset global-reputation-list (replace-item j global-reputation-list new)1 ? E# z }- j; F9 ^ q
set j (j + 1)# B8 ^- l0 h* F6 \
]
4 m3 T$ ` ?/ }0 W+ i1 X4 ~end% m0 _7 }5 S+ {0 _- O/ l# I1 G3 W
1 U. I6 u9 T2 H/ d
$ |9 r& s4 n- G0 g3 S
{0 g+ E$ [7 ]. T9 a* i! |8 bto get-color* u; k* }! v3 `
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set color blue
7 V* [' Y$ G( Gend
/ l! [% y1 [! ]- |8 A* {3 L- d5 u' p" o. U0 T2 ^: S( p$ a9 x) v
to poll-class8 s3 t6 v3 l! V% m8 }% ]% `
end2 Y- R/ b/ ]6 f* G
0 o2 G& m) l( u7 M; V0 pto setup-plot13 \$ C2 {) [5 {$ n5 w( [; B
) V8 c+ \5 w5 T0 wset-current-plot "Trends-of-Local-reputation"& S8 `. j) Z2 W3 d# o& U; z
% W/ I6 e2 w1 z+ vset-plot-x-range 0 xmax
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& Q! d* U! J' a. \% W% K$ h6 Iset-plot-y-range 0.0 ymax6 _3 U* E. A# ^; `
end7 t2 O3 W8 p3 i, ^$ A
1 ` ]3 N) L) L+ j# gto setup-plot2
+ _3 J/ \9 o6 O
& T& L% B2 [, V4 ~6 qset-current-plot "Trends-of-global-reputation"3 ?& g, m q3 o. q: I
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set-plot-x-range 0 xmax- D* O( Z* t* z/ h: H, z/ R6 U
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set-plot-y-range 0.0 ymax9 g( X( _' N' R& v4 w- z$ E5 a
end; J) E A3 y) l3 T) R1 R2 [
1 ~2 x/ u0 ?( S! I3 Lto setup-plot3
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# i) Z3 V6 p# ?: T cset-current-plot "Trends-of-credibility"
Z; J% r* {, d. W& m# j( i4 k* V' k+ t
set-plot-x-range 0 xmax
$ `" V' l& `7 L/ ]9 V: u% i
' i z6 _4 Z; I* `% b+ |set-plot-y-range 0.0 ymax
! t! s4 \+ e5 j' Q ~# r! Tend% I( \2 r" J# \: `
6 _% t4 v5 |2 M/ E* l9 a
to do-plots% i2 O3 @; [1 P- ~9 ~
set-current-plot "Trends-of-Local-reputation"- u6 j7 p' f5 z, }7 V; F9 o5 R
set-current-plot-pen "Honest service"
# L1 t% k4 A. B: p6 r) K: T- T% ?end
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' n8 h J/ A' Q; I[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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