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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
! @1 g5 ]# [% ~. Aglobals[
N- h" S) ~. Yxmax
. X4 |* W2 J9 g* O% A. v" {. i* ]3 { hymax' W( A7 f, T- e$ Y
global-reputation-list
7 k1 {* i! P4 \1 ]4 P: z* w V
- h4 v7 E4 k( u8 @$ j. r/ z/ A;;每一个turtle的全局声誉都存在此LIST中
8 o& D7 P0 ~. V& A, E7 bcredibility-list @6 g0 T- b, K
;;每一个turtle的评价可信度
" C8 |5 D) u: {" }; s/ ahonest-service; L3 ]. a) Y; X7 r5 g8 q+ ]2 i
unhonest-service: n, [; a+ A0 ?* _5 V3 y
oscillation! I* @; Y# T1 L7 W; @+ e5 D
rand-dynamic
. a4 I: s4 b% |4 K+ {( p8 g. ]]7 i" p3 w8 x8 N s# H
- J# A% T$ w7 J6 c/ x
turtles-own[
. S5 v2 i0 N5 D! [$ b% L; t. Qtrade-record-all. i, Q7 t5 N; K4 I3 {2 q4 K
;;a list of lists,由trade-record-one组成 k3 M. m) O$ L$ a, `, M$ W. \ g
trade-record-one
|2 R# @- q4 v& {6 @1 N;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录# g6 [ n0 r3 G# ^3 U- j, z# Z. l
& g. n; ?! K! C9 c4 U2 D( G- u;;[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]]
: O% n! [' Q( O& {6 p# strade-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]
0 p& t9 j6 \+ |4 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list. h$ q0 J# n& x
neighbor-total
1 X) I C @: ^% m4 Y;;记录该turtle的邻居节点的数目" |4 r( f% u* U
trade-time
# ^& D' u/ s* d1 s6 G;;当前发生交易的turtle的交易时间
- E9 [5 @, p3 J" Y* uappraise-give
0 V0 w( y! B& F- O) K0 I;;当前发生交易时给出的评价( S3 b `6 Z, v& y6 ~
appraise-receive
* J* Z: h& ^ x9 n: w! O1 [;;当前发生交易时收到的评价
& o$ @% m& N( Q. h/ [8 a0 Xappraise-time
, [+ @; G& w' N;;当前发生交易时的评价时间
+ x* L7 @. `: Llocal-reputation-now;;此次交易后相对于对方turtle的局部声誉. F9 J+ o$ i& e( y1 p
trade-times-total
. U" B) s- x% `: E;;与当前turtle的交易总次数
4 e: j3 x* U- X4 n7 X* m- Otrade-money-total/ ]( _! A( o. c& r, w/ X* @
;;与当前turtle的交易总金额* ]4 q/ B* f6 S' h) X R- {
local-reputation
; N$ ]4 a6 }# q& d4 w$ iglobal-reputation; O @8 w) D3 N: e
credibility
6 O! H/ l" ]7 |5 [& ?;;评价可信度,每次交易后都需要更新
- |- b% z9 k/ S2 Vcredibility-all' a& r: ^! F H7 c) w" R
;;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% d- g# A" I3 s. `% S) C7 D) V
credibility-one8 _! |" z; U) {( E
;;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
6 ?" w5 ^: k' S$ x$ f6 m& e0 t' Wglobal-proportion
4 a5 o1 Q7 i( X a6 Z( P6 h0 | kcustomer
# B" J6 Z& {4 W7 p9 i5 D* R, H* h7 r, icustomer-no3 M/ J+ x# ?! h! k. R
trust-ok
6 }) O' k I) t0 u- F- Wtrade-record-one-len;;trade-record-one的长度1 e9 Y9 }% V! Z4 K, Y8 ^
]* E1 }8 r/ U! K4 x# O5 f$ p0 E' o8 ~
2 x8 V% i# R8 J7 Y7 s;;setup procedure/ j( B# q r% M* _6 ^/ X) Q
/ {! _% y8 o V4 b0 J
to setup
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ca
% ]# s4 Y0 v; q3 D n y+ \6 a) Y8 m( g d* i& v4 ]; L8 R
initialize-settings& I3 A9 ]' W, i6 V' L
_1 ^+ c6 g% u3 X3 y
crt people [setup-turtles]
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reset-timer
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# S% v7 o' h! o( lpoll-class$ g5 ^/ h, O; j: f. E
. n: Y1 w0 e5 B z$ |
setup-plots! C5 n+ Z$ O! d3 W8 m' h0 \7 k
; V( o, z6 I3 W! T0 B
do-plots' F2 B7 Y$ D( T& W2 ], \
end
" U% _6 f6 b. @, {9 I
) G8 d0 K0 }8 Hto initialize-settings8 n# a: G1 b |% z, ^3 t
! o7 s( e4 Q) q* R* Cset global-reputation-list []
. X" f4 h! F$ [" u3 M9 d
1 Z- c# h/ T, m1 d0 S1 x! Bset credibility-list n-values people [0.5]
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set honest-service 0
5 e5 @; Q4 D; c; V( u* A" {) d# N4 l' [) \
set unhonest-service 0
8 O4 z8 d5 t6 k O/ x/ A; u8 L* V- ]9 [( O/ J0 e
set oscillation 0
0 h8 d. w- x0 E- z3 q2 A+ Z3 B- ]0 n7 ` y
set rand-dynamic 02 U7 C$ e& p2 ]" a3 t
end- K ~3 i2 E5 w* c6 \7 j
/ Q8 l% g' j0 P8 W! q, n# B6 w# _
to setup-turtles
; Y( w0 E9 G5 U9 ~; Aset shape "person"7 H: e3 S9 T$ m" ~( l: f7 J0 z
setxy random-xcor random-ycor
. ~) X: g$ H2 S6 m `set trade-record-one []
; y9 }' a+ E3 {, M: f- p8 ~' q
4 A5 h( t+ k1 W2 K/ yset trade-record-all n-values people [(list (? + 1) 0 0)]
5 S6 r# n, ?9 \6 s: X' [) O) S, l/ p# V/ L- F. q$ p: c% }
set trade-record-current []2 f; |4 a' A- i0 t' Q, o: U
set credibility-receive []+ ?& E# g0 t7 X9 x
set local-reputation 0.5
# Y* h6 D7 q* x/ _2 Q- a3 Zset neighbor-total 07 w. r. S f4 K: h
set trade-times-total 00 }0 g) J7 _# |
set trade-money-total 0
5 F$ h6 P' S0 C |& W$ kset customer nobody
4 q2 b: \* f3 V; L9 A) pset credibility-all n-values people [creat-credibility]
# r8 U9 q1 ~6 T) A- d" t0 W6 R0 Vset credibility n-values people [-1]: ~" {: i8 y3 L7 {$ D* W: W, F
get-color
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; r. ~7 v: ?& Y1 B# k: O' Dend
. j) r- Z; a" Q6 v' s# ]1 }4 j2 N( J. `3 c! K
to-report creat-credibility
: K# _' ~( T0 L qreport n-values people [0.5]+ G3 w0 L- ~4 ^% L
end6 C0 O6 V6 x8 T$ I' D2 K* G- U; [
! {/ u1 [4 w9 }- H! \, zto setup-plots" u# l4 m0 ~) J
2 X$ T) b1 K# V1 D- Iset xmax 30
4 C7 N# l8 v5 C2 w5 m
$ H. r9 u2 z8 h- n5 e- R$ ` b# ]7 rset ymax 1.0
9 ^7 s' |/ A1 p/ ?3 s9 U! |$ r t _# V* I! n) {$ |% [4 p8 m4 @, T, a
clear-all-plots/ X9 l$ w0 k: O6 D$ u
8 u- ~' x7 T( Vsetup-plot1, F8 L1 O J4 f; ?
2 d3 m: E/ |1 s( ^; t" C7 u
setup-plot27 ?1 {2 I5 ?6 B( I& c( O
4 |. b) Z6 D4 Qsetup-plot3
8 L% T3 n( @. Y4 {end
' W6 p) V3 Q" r5 C6 L. I" C a0 e8 _
;;run time procedures& ~$ w. _6 j, s/ a2 m" q
* J( F! x" B6 d1 W9 M) M5 G- rto go
2 w4 ^3 V0 E5 S( J, c% Z; }* m. B8 S% G1 u1 I4 E* B( Y6 I2 I
ask turtles [do-business], N# B% |" F9 N3 [. I `# p
end
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to do-business - l0 x- h2 K8 z8 M! Z2 s
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: |$ R4 a& Y. R5 T+ Art random 360
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fd 1
9 _. k" N$ M$ b9 \
! u$ [/ s7 |0 T) [/ V ?& Z7 \ifelse(other turtles-here != nobody)[- ]- f0 _$ O- I0 v" \
: Q4 l8 m& P8 r0 ^' M
set customer one-of other turtles-here3 z% [. ]+ n9 q9 r: C1 o3 T u
. a/ j8 _" P! H9 w u;; set [customer] of customer myself2 P! a0 i [# E" R3 S" ?$ Z6 V: {7 w
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set [trade-record-one] of self item (([who] of customer) - 1)
9 W6 I0 Q: q" F2 _4 _3 W( M[trade-record-all]of self
4 Y- v6 B+ u7 \7 I) A;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
2 o( D8 I6 E6 p, o" ]
4 w! M7 g* @& u( ]9 d' Pset [trade-record-one] of customer item (([who] of self) - 1)
" h {/ T6 k4 t2 K. F[trade-record-all]of customer: x( U; ^- r1 A
. a2 a& @) U3 u; h
set [trade-record-one-len] of self length [trade-record-one] of self. L3 O; }9 t2 C0 M
0 |, x$ m( X" @$ l! K1 ~+ |4 Q: \set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust], U+ ~& c. f. c$ V
;;先求i对j的信任度
+ B; n4 q) R" J% W6 a1 ^7 q1 c
. j2 t) ^. w" v* b0 s0 l) N% }if ([trust-ok] of self)' {$ J: @% [4 a% }
;;根据i对j的信任度来决定是否与j进行交易[
3 ~1 S- j5 X3 S! R3 Qask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
+ _3 X+ X! T0 Y) I) i& Q% W8 }% i6 G, |' u; n J: c* `
[
) b" l% a% p, V0 M( h8 O( T4 O6 q
; U* C2 A' F1 x# v' E7 {do-trade; ?- Y) w- s, I2 @+ {
' t3 x, Y2 p. h1 ~+ ~update-credibility-ijl. A0 Q$ c `0 \
" \! n; k4 B$ t2 V3 P- ^update-credibility-list
; `. e U3 `4 v( U) ?
0 o- _ J% T5 J3 h6 N
W+ I( W( A* Fupdate-global-reputation-list: a" E; [. W! o
9 {/ A7 T+ N$ {3 a9 B
poll-class& M+ B7 }9 ?- v" W! n; k+ P1 Z+ S
+ c% s0 F @& {get-color4 g9 O7 j/ C- D, n$ c+ K. P
/ g3 G' C! k: `' A' r6 H( g5 |
]]+ s" z0 C% Q! I w
6 t* c' B* d. ?# w;;如果所得的信任度满足条件,则进行交易
- @+ s# L7 }0 l7 X9 ~! A% h- i6 a% T n4 ?* \; t5 Y0 L
[
( R, o# C& ^4 `$ {
+ A! A n; D: k0 B# r$ t$ y0 Hrt random 3609 P0 B- H: x4 a
1 q* m# }9 ]' `" jfd 1
& k# ]5 p0 k+ t" n7 f
: j' w) b% f8 A; o& ~+ m1 u2 l]: m+ C4 k5 r- m/ N/ v# M& m- G
" Z [3 X' d" S) `end
; l; P6 T0 q2 Q# j; V# i3 g
) y2 P2 p1 \( m# L5 t0 Rto do-trust
" W) l& c( V) O3 A6 F& B/ P! tset trust-ok False
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2 c! O; L9 M. M6 v, c8 O, M! u8 }) Q
let max-trade-times 0
3 F7 R' P9 P" R ~foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
0 \! d) F& }1 Y4 j& L+ V4 @let max-trade-money 0
4 G4 z+ q7 E \foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
' u+ A6 A0 L3 klet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)): d& S2 t2 M: C1 ]8 I+ b, {
) l: Z D5 m0 i0 h; k8 g3 M
" ?3 h& T4 `7 l, [
get-global-proportion& Q' b. X4 V. j" S) F/ h Z/ b+ N
let trust-value B6 j8 c$ C6 I* j5 r+ S
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)
$ f( N- r# `* F" m+ q8 O) I m7 Mif(trust-value > trade-trust-value)
2 v3 t; W; K3 b[set trust-ok true]
* d2 u6 b+ O+ q: Z" h- wend
5 ~5 |, a' P% R" t* W4 R/ P
! k' f5 u% g$ [to get-global-proportion& h9 F, V* k* D y# I! G
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
& X! u1 z: j/ V& o[set global-proportion 0]
! n( \6 D4 G- o8 }7 `% L {[let i 07 a8 E0 N+ N. U1 u
let sum-money 0' i) j$ U* h0 l$ G; U2 z8 \, N% @
while[ i < people]
+ _1 g4 c& `1 j' b% w- i[
3 ~+ g9 z/ Q n6 Z+ D( M5 w iif( length (item i6 U7 r1 H/ m+ B1 s& e [
[trade-record-all] of customer) > 3 )2 B8 R* e- B' Y2 v- L' u
[1 W9 S' t( m# w5 |7 ^7 q7 B: W( L
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
2 A6 Z1 E- `9 ^" I]
* {- n" K( _8 Y2 t! A5 K0 }( D) G/ i]5 D$ U e! p# `, L
let j 0; [- \: n) n) Y9 W Z) F
let note 00 q" _7 j8 P" o/ n2 ~- ~% g, w
while[ j < people]% E. v8 \5 Y/ k9 G, I4 Y9 h
[
- @2 L6 d; Q. q. O7 C" X Iif( length (item i
+ T$ Z5 a8 s) K[trade-record-all] of customer) > 3 )- u. Q3 v7 k8 a8 f
[8 a+ g. ~* y' g1 D$ b. e8 k
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
) ^# Z! e0 M" \% r+ B& a) m[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
/ W L6 u2 M, a[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
0 C, z' M; c* e]4 n& `" i# H% K' Y7 w
]$ k. Q( J7 ?( s. }2 X/ _) R
set global-proportion note5 w6 z% i M* D8 R5 l- E# r( D( {" ^1 I
]( [3 z" |/ i# ^& E
end
1 q& g( B6 s3 A+ h
9 V4 F0 @/ ^' _to do-trade
# |9 C: L1 T6 b;;这个过程实际上是给双方作出评价的过程& q+ y ^& K, x! y
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价2 X+ X2 e# O. A/ Q a
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价6 F& e# n* T$ I" _6 f+ M. {6 U2 Z- d
set trade-record-current lput(timer) trade-record-current
' H% [0 ^ J# Y% }+ X4 i3 q };;评价时间
+ k! W" i; ~& D# q9 Mask myself [6 ~/ | d1 G9 E4 h/ b* N
update-local-reputation3 v+ J6 R& U, ~, v. f( O2 h) V% |3 @
set trade-record-current lput([local-reputation] of myself) trade-record-current
. Y8 t& }2 d2 @" b]
) [( S. o5 Q/ V" }& M7 Tset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself" J. c9 d. T" H; J* o8 x$ I
;;将此次交易的记录加入到trade-record-one中; t1 ]1 |- x; b3 m# _2 n3 D
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
/ r3 X u% \: z* Elet note (item 2 trade-record-current )# @! x+ w) ~- I$ H, V& q6 y' Z
set trade-record-current
]4 _4 Y8 Z/ ~(replace-item 2 trade-record-current (item 3 trade-record-current))
% Q1 u8 c9 L* K9 p5 I3 iset trade-record-current0 @; ^2 t' F% X! W
(replace-item 3 trade-record-current note)
8 n9 F# r1 b7 `& }. P6 n* K, e) e( s/ Z
& J0 r1 Z q1 f/ l
ask customer [
) D2 I0 f' T0 f% i& o" F3 `2 Rupdate-local-reputation& y7 E9 j' c( |* E* n1 i
set trade-record-current
- f" m! q1 I9 J, ^9 v' H3 V+ k# z4 g! L h(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 9 k# b) o1 |+ C7 O- `+ B
]# Z1 A3 P" f; z; o, K
& d& y5 Q2 Y5 K- O& V9 \7 h, m
: O8 z8 q* E0 R( K. D* {set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer8 F" h5 x2 h1 @) { q' Y
# ~2 p# P; f/ e) X# b" A0 q; f
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
* J' i4 ]& G* l) v, D;;将此次交易的记录加入到customer的trade-record-all中- l1 Y$ b& h) d; |. \0 I" a
end* q. x% B# \! ^+ v) A+ U/ Y/ t# Q
5 ?5 J5 b+ M, Z5 C
to update-local-reputation1 G- V c1 X, D9 N; [
set [trade-record-one-len] of myself length [trade-record-one] of myself( T, g8 h4 V) v' y, ~; E. J9 _$ N; r
! [9 V R6 l! }6 n- F f
( D6 ~: u( o" |% h2 W" ];;if [trade-record-one-len] of myself > 3
6 m6 I7 I2 ^9 {& q1 |# A8 ]9 ^update-neighbor-total
9 U7 c m7 p( b4 K8 n6 e;;更新邻居节点的数目,在此进行
) N+ p% A6 h P0 z, Q6 ~8 ^9 ~let i 3 q: P/ j3 Q2 J. Z
let sum-time 0
. y$ u. s* Q( S' d* Qwhile[i < [trade-record-one-len] of myself]
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set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
. Y" x f/ R2 a) [7 p6 {set i3 \& w+ }& Q( v" H/ r4 E
( i + 1)
5 q; Y1 ~3 A0 S( w9 ~]- o* w! b( j' c* ^$ J9 l; w9 L
let j 3) w6 y/ i1 h3 R7 X, I5 W
let sum-money 0
( ?3 ?; B, G' Z) t) V, {% N8 Uwhile[j < [trade-record-one-len] of myself]
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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); i. G3 u# i* w+ ^/ W- w( d# w5 A
set j: o8 g P! A- k
( j + 1)7 ?0 a7 B" m4 w, g
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let k 3
6 I6 |- A7 ?! t6 p+ Elet power 0
* D: ~* W, K4 vlet local 0; t1 q; G1 z; u
while [k <[trade-record-one-len] of myself]
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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) - X; s, I# c1 r7 C! E7 ]- b; ^
set k (k + 1)$ Q$ W: u: p( J6 T8 D
]% C, y" s4 s( G! M0 C9 W9 Y& p
set [local-reputation] of myself (local)
; c( U0 }2 Y# p" H5 S, J. N4 Fend! O h) Q+ S0 D2 E1 S6 e+ k: @
, d" F2 o) d; {0 m2 Z/ ^6 Qto update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]) Z$ b1 p& C6 E; I8 m) P
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to update-credibility-ijl 0 a- J0 l3 X# ~$ r( g; m# X* Z$ @
V% w' b( f# Q! B" z: }* X. }
;;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。! L( Z0 W3 @2 \ Y& P' E$ M
let l 0 v J- P) _: N: T) H; D
while[ l < people ]
9 q, I T# B2 q, r7 ~3 s- Z;;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, P8 k, }1 K! |4 c( F b
[+ p0 r. }1 f9 U3 p2 r" c
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)! c( o+ J- x' g( h1 U: F1 F( j- s' G
if (trade-record-one-j-l-len > 3)0 C [6 W0 E t% h8 x6 W* s
[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, P$ x" P$ P( q" |
let i 3& p, N( Y/ Q. l6 I
let sum-time 0
- A) Z) |( E% J7 X" C3 Pwhile[i < trade-record-one-len]
. z& N1 P% V) ^, b- z[
3 G9 W' Q0 @6 m/ c0 iset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
) v* ?0 X6 s9 f% p6 uset i7 j" j$ _" Y. U: U
( i + 1)2 z% F: g; V3 ]4 i- B
]
. n3 @& o( U5 N% M# V3 C. Blet credibility-i-j-l 0
8 R" R% |1 S5 x7 q: B& u;;i评价(j对jl的评价)' X U% |/ a) _, f$ @
let j 3
* e* ?4 l( v+ }" P/ l3 alet k 4
* k6 q' x$ U) N) f5 m% iwhile[j < trade-record-one-len], M5 B: w# y* S- L
[ g, d$ P- [/ d
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
$ I Y( T: A8 j( w! Xset 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)4 x/ a; e! j0 d, t4 n! O
set j
/ R( K' S% b5 p& m" i# A A( j + 1)2 N6 f: Y8 [% ]: J5 I5 \) u
]
* ^. N3 U& O$ D: `# }6 j: Y' Uset [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 ))8 p( r; I) `3 P# _/ t# _
& Q' y* N) @, d+ g
: h5 P- h9 [3 Jlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))& ^% @9 D0 b% H# ?. J& ?
;;及时更新i对l的评价质量的评价9 r/ S4 @$ A: C" s
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
B% g+ J# h% V7 l* B# Yset l (l + 1)/ C u8 }$ B* Y5 A9 u+ W' _; O0 b- Y/ A
]/ N- b& X5 g1 H/ m% e `
end
: Q& _3 j" v. g2 W+ b* g; ~2 j
% A/ @7 @" F& r7 ~* F1 dto update-credibility-list: C1 s" y8 r8 q, I1 g
let i 09 C; @9 Q% T- I3 Z/ p! Z" z- c
while[i < people]" q2 s0 [" e1 e2 p7 M9 [, g4 U3 O. F
[
% Y1 e- i& A: l Y7 V; c2 d8 J, `( Dlet j 0# a+ [4 `6 R+ G/ q8 e0 l
let note 0
, m- z& Q7 v0 @: Mlet k 0* V' T) F, V$ p/ H" N+ s: g* ?; t: M
;;计作出过评价的邻居节点的数目( `; p- S% C X1 J7 B
while[j < people]8 x2 j$ I8 {. O m9 m
[
. _+ ?+ c1 z: Z+ f( `7 |* fif (item j( [credibility] of turtle (i + 1)) != -1)
- ?. M6 [; c- w9 ~* N" i;;判断是否给本turtle的评价质量做出过评价的节点
5 l+ r4 i2 C4 b" p$ U) i[set note (note + item j ([credibility]of turtle (i + 1)))
5 h0 x9 p1 ], |7 S' c;;*(exp (-(people - 2)))/(people - 2))]
4 x* V H- w) w0 [) D; Xset k (k + 1)
- i% H& D" @. V7 r i( L2 {7 ]]* w4 F. y: P# ~7 J( w: R& E; B8 [ o
set j (j + 1)
4 n# K# {1 @% g: ]& }/ C; G]
# ^$ i% G% d1 Gset note (note *(exp (- (1 / k)))/ k)
1 [" M1 M d# J5 l+ g6 ]6 Iset credibility-list (replace-item i credibility-list note)9 n w( A* @. X! n( n8 u- w4 l [
set i (i + 1)
* \4 g3 @! [, e, E4 s]# U' k6 a+ {& q6 I$ }
end* ^" |/ F: I8 \ A1 }6 z( x
8 F9 A1 U7 W! e9 _$ T2 o6 {to update-global-reputation-list
1 r0 S$ ]% z$ q6 zlet j 0
+ J( y+ S4 h }- ]' Q; s, }% Q3 jwhile[j < people] z: j1 w8 a9 S, L9 i
[
% s& n0 K, ]# q8 A5 n) A" j$ H7 O+ [ ilet new 00 A1 y q6 t0 j0 S1 v. s& ?) A- D
;;暂存新的一个全局声誉/ W' c( `# e( s( L
let i 0
1 v+ [' ]2 d+ E+ ^let sum-money 0
& u$ N/ D: x* i8 O; ~( Ylet credibility-money 08 A. S) o" Y: D3 ]
while [i < people]1 L8 @; V/ [3 @8 v$ X
[9 s& D2 {" [6 L9 y5 G0 |* m* m
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
3 w" M- k5 g% W8 Bset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))" A1 }% B1 q1 N' k
set i (i + 1)0 Z7 G3 C. |2 w: v! p3 G
]
( ^' N+ X8 P" d) {let k 0
; M8 F5 p% [; K, q' elet new1 0) Z D. r" r7 |2 f5 b2 b- s" {
while [k < people]$ n$ c1 f' X) Y2 N9 |& p
[4 W q/ c; _; L6 @/ B
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)3 E4 R" V0 O9 D# G
set k (k + 1)
0 k" p+ \" v8 I( O; Y]
8 K$ }- f9 A4 U1 g8 R; qset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 2 g# N6 d2 j9 V+ B+ Y
set global-reputation-list (replace-item j global-reputation-list new)" b( o- v: L4 _
set j (j + 1)
6 K( K1 ~& |: y$ [0 k) u/ t]
# V' S( M R/ n4 f s; Tend$ |" p% x, u* O& d0 h9 j& ^; C$ j
. H* w( y% r# _2 V* v* ^
# u: U3 ~% V- x0 I& S# _/ @
& m% o; v7 U5 E) S6 O1 ~
to get-color
8 c8 a/ z0 z1 e& ?* o+ m4 I/ X' U- a+ e( m1 F: }
set color blue
7 m' O1 P C. Iend9 D$ G: e* G- G# o2 ?
8 W5 M; g- M) `/ V7 Y3 v
to poll-class
3 P o( i; S4 M: q' E. F: iend0 x9 X2 I; z8 R2 G9 l/ c
2 v# [+ e1 G; w( X' Vto setup-plot1& h6 k4 a$ W& j1 q& N) v
" w2 Y! w/ n, t! v# A
set-current-plot "Trends-of-Local-reputation"
( h6 H7 {8 e+ T
+ }+ _. ~3 C% N# Z* @set-plot-x-range 0 xmax
1 q, N9 n% `' L8 M- P: u& s/ s. U$ E* I6 h+ }
set-plot-y-range 0.0 ymax
* J' ?# a2 U6 i6 Aend4 i* k- \ B/ V$ O! d
- ?' m# g6 l! Y( `0 kto setup-plot2. |$ M8 F/ L4 \8 f! P5 X. \
( x; z; h- l. r9 U) Mset-current-plot "Trends-of-global-reputation"
; c: {$ k. t3 p, z. N+ X5 M" r2 d$ N X4 N9 O* q# ~
set-plot-x-range 0 xmax
" ?. ^. O* p* @6 S0 m8 T' P
3 C9 D% L- m! m2 M8 `! I: uset-plot-y-range 0.0 ymax* X/ p$ _( n! n* X8 l* B# f7 C$ c4 F
end/ @! m- A% w4 [/ @ u9 @4 K
1 E2 O- b* d% |# k0 D. X6 f- Dto setup-plot3; K% g- I- q6 \, c) J3 O, |! J
* B0 o/ s( E- i) w b
set-current-plot "Trends-of-credibility". o9 j: u! H8 ?- X$ Z( Z
A) E3 f' j0 [+ x4 ^5 _set-plot-x-range 0 xmax
J3 n6 q( Z; J" S! K: M( o$ } n# C
set-plot-y-range 0.0 ymax
' w7 w. D* A" ^. Lend8 S' e1 _6 s W4 w4 B/ s- w' q2 P
t- w: @: P. G6 y! r- m& Lto do-plots; J' S7 j, ~8 l" c) e% s
set-current-plot "Trends-of-Local-reputation"
% h k1 j: V2 O1 G; @4 C3 A6 p+ xset-current-plot-pen "Honest service"
8 G. q, w8 x5 j* c8 L3 G2 W# Send
0 S8 K$ i& u- H2 P' R/ A9 S( a$ n) K4 D! E0 u
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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