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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
4 @+ s% G) ?0 l' T8 Y+ o3 n# {: Fglobals[
3 }* Y0 w0 d- M7 m; \# P# Z* qxmax* i! Y F& M6 o6 R) I
ymax
/ h; M0 [9 S9 ^, ]% _global-reputation-list! h S0 P$ L$ _! j7 k2 v7 w
4 p2 e) L2 Q$ S$ }- n;;每一个turtle的全局声誉都存在此LIST中/ G1 l6 H& v5 @% y
credibility-list/ v! [7 \# ~+ H R3 A+ Z4 G( }
;;每一个turtle的评价可信度" z C( a! J: \* K
honest-service
8 ]+ C, F* w. d% O6 [9 `unhonest-service
! }& w# x! Z3 j: T; H, zoscillation
+ A+ C6 `# D- g8 G c& ]rand-dynamic
' Q+ U* C% [6 [+ s]* f- m9 H, G2 e6 H
% T% t B; ^& r7 j/ L hturtles-own[' ~1 }7 ~# X0 G- f; `: J d
trade-record-all; K) L9 S/ s! A. k7 F8 L
;;a list of lists,由trade-record-one组成
7 L/ L6 ~+ c0 \: ytrade-record-one# z, h( u* ]- \
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
+ F0 u9 d3 b) f [9 p3 e" Y
, g( A0 X" \' X6 M& @;;[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]]
1 n& e" x/ E2 ~6 N, S% x# ]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]8 P. @: x5 I( l, d1 O5 d5 H
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list7 W( C+ H1 @& ~' D3 j. z
neighbor-total; r: P" M" C; S
;;记录该turtle的邻居节点的数目1 l' j; b: i5 g0 `
trade-time' T8 [ R5 O1 Q3 ~, |* W; F" i$ T2 K3 v
;;当前发生交易的turtle的交易时间
# E, h6 ?3 H( g- o) r0 dappraise-give9 ^1 k1 j8 F" N
;;当前发生交易时给出的评价9 z& T( Q1 P& |; j& x# r$ `
appraise-receive
& b* a7 G. Y; F. K& |" R) o;;当前发生交易时收到的评价$ Y1 J p2 ]( v8 h! p6 P5 \# a
appraise-time* [% C: K/ d( A8 h, a
;;当前发生交易时的评价时间1 [% F% m" \7 t k! |, W0 e
local-reputation-now;;此次交易后相对于对方turtle的局部声誉/ p& C3 @: B: E8 r
trade-times-total
$ U" c$ s. g$ ?! ~( @* Q( x H. L;;与当前turtle的交易总次数5 I' H' Z7 `8 G3 e( c- w; ?
trade-money-total
" t+ ]: X# s' v8 d" Q;;与当前turtle的交易总金额. `( g: N2 P. {+ z
local-reputation% |! L$ N# a; L/ U1 S; p
global-reputation: u' Q3 X% j; ~/ l
credibility
4 B J! F" Z5 p6 V;;评价可信度,每次交易后都需要更新
0 w: `/ `$ Q9 jcredibility-all
/ y% }5 K O1 E! Q9 E# Q;;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
0 \% [! k; S) B' N; q& t% Q: `' q: k8 O4 F) y! j2 a" n. i v! l
;;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* k% R7 @' C/ e" m* `$ |3 D
credibility-one( ~5 g/ @6 I% a" \( 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; R6 G! i5 \/ w U; m& `: J
global-proportion& Z6 t8 c: Y2 U+ r: ]; u+ U) J
customer
5 Y% o2 _! `$ G- Y9 u4 K+ Pcustomer-no
+ w5 t$ K7 x( L* E1 xtrust-ok
C2 R3 X5 m: ?- d/ ftrade-record-one-len;;trade-record-one的长度; c' y6 G2 Z# \$ |
]
' b8 Q5 t7 W0 d9 P# z
6 G) d) }2 m; A3 i7 F9 G;;setup procedure
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5 A, C6 _0 v; Q2 ~5 yto setup
# M3 x2 V8 ^, `1 X' D( j: a! w0 b. w& g F ]
ca
0 S7 s9 N1 r. y% L [
4 b# Z! Y9 W- M( p& V: ]initialize-settings
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crt people [setup-turtles]" X, s# o, a! {$ O( ]1 M% j7 u9 f
. |5 {% E& [5 F$ q/ Areset-timer
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poll-class j6 m8 |0 h# X2 q5 X+ @
8 I4 ]# r2 `& r- Y- ~& Fsetup-plots
2 q& S, v7 o! z# Q, P, ~, c- w0 w/ V6 ]+ }5 { P8 d
do-plots' p' S+ k1 V1 V0 m; F; {
end
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to initialize-settings
`5 Z5 v n) `. ?' n! I; C e
5 V4 f) Y! e0 q9 b" `set global-reputation-list []
) R$ w- n3 O' n1 Q# b, u6 ~2 e$ P& ]$ |7 n! H7 S" I/ L' {3 j
set credibility-list n-values people [0.5]
% O. ^- ]& t& x9 e9 Q& K
& b9 v; r( b% \& k& O! l$ xset honest-service 0$ B$ A% a+ h/ Q' P J
9 _2 B( z% b5 r9 b
set unhonest-service 0
+ F! D+ L2 k2 a* T
& g( S8 C: B' m' J% Y+ b8 u; Kset oscillation 0& F9 g. J' T) D! k9 R, \. g
$ D. R1 M# S# }" A9 ]* `( ~6 f
set rand-dynamic 0
9 Z; z' Q6 g- Q8 Aend# J; k* x: e9 {+ M9 b8 T! U/ l
* p9 Y: Q/ N0 r5 E. i0 b& f
to setup-turtles
, W1 N3 p4 R5 iset shape "person"2 W B: y3 R% S% ?/ h+ u5 B
setxy random-xcor random-ycor
, F0 U8 s* F7 r% tset trade-record-one []3 w5 G# M" x3 ^7 k: c
# \% |2 x8 w0 ^9 e) Q( V0 x& [; |
set trade-record-all n-values people [(list (? + 1) 0 0)]
) x1 l. H$ h# R+ Z
8 c1 p3 O9 b" w+ }. Fset trade-record-current []
; u" ]1 H4 u/ b1 E w* ^set credibility-receive []
/ o1 z" O' _$ T/ Jset local-reputation 0.5& B" A$ T a4 @- X% ~
set neighbor-total 0. I$ X4 Q! T3 ^
set trade-times-total 09 {& h1 ^ [2 t' K' ^
set trade-money-total 0
/ m3 |9 ^; @% P4 nset customer nobody
9 l. x) _. ]& `+ q: y) F( W# jset credibility-all n-values people [creat-credibility]
8 R/ P+ D* ~4 @set credibility n-values people [-1]4 k- N& a: ?+ @
get-color) W# X& r# z0 {8 ^% o3 Q* g7 Z3 [
) L( y0 z e7 x0 B& }' h* {0 s! T9 Dend% y* H. W8 a9 z/ g+ A# a5 U
- N: P; q5 \( X/ kto-report creat-credibility) {; n% b/ R1 D# U; t7 m
report n-values people [0.5]
, u+ ?, u% T7 e: F, R) iend
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to setup-plots
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' y8 J: A- @8 @3 Y6 u$ Z' m1 Hset xmax 30: U; H* S; m: U+ S
0 V5 r2 J. F7 S$ n4 c& k x
set ymax 1.0
; E. Z5 ~- x+ A% L; J1 l6 S2 _: C# U# E* {7 N8 Z
clear-all-plots
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setup-plot1
V5 f" G; h7 Z P: o$ _1 P7 d" _2 R' R; L9 {2 O" |
setup-plot2+ ~9 l1 ]* K3 c% V! j& W
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setup-plot34 q, o2 P! f( g, R( u. G! @: v2 p
end
2 B) h( f2 \9 v8 t, u! u) B
( b0 @, r5 z$ a1 T N0 g9 b" p$ M;;run time procedures
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to go9 r! h5 ?$ q: O
+ f( t8 c6 a0 A' G$ t! hask turtles [do-business]
) b! e/ R9 D0 ?, [end/ }8 n1 s: h2 L8 w" Y( K" T5 a3 @( ~
. F' A' `; E _. A
to do-business
6 }6 J' l" K4 o$ L4 O: H+ E6 {( W w% a, e o \/ ?
N( Z+ W- W4 |3 [: G
rt random 360. d/ o9 Q+ e! G; P2 j
/ I2 X4 B C% S9 q U
fd 1. J% e. i0 N# H: k9 P" @: O: f9 p
# l& d' P; C% R. D
ifelse(other turtles-here != nobody)[
2 Q! c! x* Z" h( b
8 G+ e) \/ ?* q" G9 N1 @( |set customer one-of other turtles-here, Y5 N+ Z7 L+ D
( a. D0 W" J- P% `) q
;; set [customer] of customer myself; }1 r% u8 z6 `4 B$ d1 V
/ N0 J, ]8 C k
set [trade-record-one] of self item (([who] of customer) - 1)' V6 p6 e8 q8 S4 E2 l
[trade-record-all]of self
! c4 f" d9 `5 f, o& N) x6 U;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
4 v: b) y& G4 Q& { D, I0 P: S9 l. P7 A" Z: L) b. i2 ^& Q+ g+ U9 Y
set [trade-record-one] of customer item (([who] of self) - 1)' z; [2 }; J* |3 W& a2 `
[trade-record-all]of customer
7 f" l$ g1 A" p7 O: ?5 x1 w+ I- t5 B' k* @& H( P
set [trade-record-one-len] of self length [trade-record-one] of self9 Z' N( {: |) N+ [
! W! ^- l3 } s7 s' H
set trade-record-current( list (timer) (random money-upper-limit))' X" F* a- z- L9 H# ?- |; {8 Y
4 `& A* B5 o3 s) H; f5 ^ask self [do-trust]
4 v+ `6 ~/ ?5 H8 }& t;;先求i对j的信任度, Q# h( ?7 A; {) P' q, u( j
& h, _4 i1 X9 ~. Lif ([trust-ok] of self): P9 w, i2 z7 C
;;根据i对j的信任度来决定是否与j进行交易[
+ T& p1 x5 w( c _7 @3 o% eask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
; E, M; [1 b% a5 p: _1 O
- V- z- C& h4 ^ j2 e+ k; u% {[
. i1 [1 I, m k( V5 P4 ~# w% |+ o6 w& l8 h, O- j3 D
do-trade
5 z. j. \( T! U8 n$ c8 ?& m$ R- M" B Y! Y, I+ n. v: X
update-credibility-ijl
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update-credibility-list
+ r0 _9 F, z% \7 g5 m
$ V' ]% E" W. a0 t8 b- w4 s; n5 v: y2 v, f, X5 N3 d
update-global-reputation-list5 D* q4 K8 i. h. ]) I( l
' A* H: j' k' f1 J( R) Y R
poll-class# ^5 C8 c7 z) g- d2 q" \0 I0 c
" y3 Q) g8 P7 |# V5 l5 Wget-color
! u- i) G' R* \2 V8 |
+ E* s: b: U* V+ {# G4 V1 Z. o]]+ [2 a2 {! N' a6 Y6 r c6 H
. u! p* ?3 P% H( F! d
;;如果所得的信任度满足条件,则进行交易; U I4 ?3 y2 L8 B9 [# K& d# C5 a: M
8 d' \" P" U4 E% [ u! M
[
- h+ A+ p6 G [) _: v
2 f" _; z- Q/ R5 Z& J# Zrt random 360# X$ }' j- l- A$ k) s3 \ z
/ S" f& `& H2 g8 @* k; i( O+ h
fd 1! E S- P- `" L0 C2 R- o
& H$ O* a% |) I t/ [- q]. \& ^/ Y; e p! x
7 h. b6 |- T4 I4 {end
3 D- p7 l" N- X) I$ N: h+ g* Q% P$ K/ P a% d
to do-trust
6 J( b- h s+ o: \, f5 A6 rset trust-ok False% `! |4 @3 _- }
- l5 |, r: L e( A$ }% w, z
5 W" }$ D8 h. L3 f3 Zlet max-trade-times 02 W8 S. u# U. `* H z
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
7 l8 y* A+ b! Wlet max-trade-money 0
) Y" ~# Y8 ~, f2 Y5 `0 N- Q7 u/ fforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
y; P; w: H# H3 o$ Hlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))% @1 ]. q+ g6 u: |$ p$ g
6 S) _4 }$ T, }2 f. k
: j; ]5 p% s6 W$ M
get-global-proportion: j% q" S: o! d, N3 L
let trust-value
! u ~- Q$ Q0 N: |2 v, zlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
0 q! }7 S: _* L1 Sif(trust-value > trade-trust-value)
2 n/ X W) l! ?4 P" o[set trust-ok true]
8 m" h t" W) j4 J3 A9 Bend
& G& g4 o* m% U5 T- R( |- W, H- a, d3 x6 u
to get-global-proportion8 t w2 ~/ Y. U& S' I* m
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)3 k1 b2 n+ v- e* G( y+ q G8 K2 z5 ~
[set global-proportion 0]
2 O7 g* J* M$ b+ y+ V o/ L[let i 0
! o* o4 ?8 `* Flet sum-money 05 S K1 ?5 \' E. u9 O2 F) K
while[ i < people]
; p3 a( ?' N' }- z[1 \ C. y1 X. U- Z5 s
if( length (item i0 V6 t; K. e5 w
[trade-record-all] of customer) > 3 )* t* I/ D; r- K }, v0 g
[
/ g. X9 ]$ \5 B6 d$ Yset sum-money (sum-money + item 2(item i [trade-record-all] of myself))% Z l1 J# x3 Y; n- z
]9 L" L; b& f4 s! I1 M7 a
]2 b/ ~$ I" ?7 V2 p/ A2 [: `. Q
let j 0
' Y/ }+ T& m2 ~( ]9 ^; alet note 0
* n9 r! L e! v4 W+ Iwhile[ j < people]
: k3 w7 T' l b[
! K# ]4 W4 R Z/ {if( length (item i
6 C6 \6 Z0 P% Y& m) \[trade-record-all] of customer) > 3 )
7 Z0 C. N- w1 I6 E2 E[
9 M8 `( J# V c' q) L! ^) {4 J) m) U( Wifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)! K+ Z6 ^' ?) C
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
+ L( ^$ M9 O4 R* y3 X( ~# b) t0 k: e[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
, S- ]' E7 C3 W9 A3 |]
# k }9 G6 Q& F* _]
) ~( x6 K4 I. Y% L+ C0 Hset global-proportion note: | \8 Y! Q0 D3 D) e) ?0 J" v
]
; l+ c) `) ^' {0 F9 b+ pend
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to do-trade4 \" }. `. j1 F2 V$ H3 i; J
;;这个过程实际上是给双方作出评价的过程
4 u/ V* q4 S" Y8 _7 Nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
9 \( i q. l4 V1 U7 ]# yset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
6 a# f! A4 v }7 O5 A2 hset trade-record-current lput(timer) trade-record-current
* A/ b% C& [ r4 z. U;;评价时间
* V! f: E1 R V: ]) W6 o; l, `ask myself [
# q2 [- c4 Z, Y& Q6 x* eupdate-local-reputation
! N& u/ h; X4 J: t3 R) ~& pset trade-record-current lput([local-reputation] of myself) trade-record-current. O& \, ?4 G0 q, ?; [; ?8 e( A
]
. r5 e* P6 W {' {( F9 cset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
4 f, q" i5 [& Q! i7 {( H;;将此次交易的记录加入到trade-record-one中# x0 `) c3 }) u y1 U
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself): y- \( F! ?' \2 ~
let note (item 2 trade-record-current )6 a+ f2 z7 d+ h! M9 Y+ N7 v- s
set trade-record-current
% t, Y1 t' ~" t(replace-item 2 trade-record-current (item 3 trade-record-current))
! J+ D, \; h( J2 y# T3 kset trade-record-current
* X+ a( L6 X! K9 @(replace-item 3 trade-record-current note)
1 n" P% r- P9 U) e- b/ E
( h$ E) T+ y( |, _! j, Z1 v( i! R; x8 z: [" a( O7 b4 ^6 z
ask customer [
+ [: F9 O) M0 Y( E/ X+ Iupdate-local-reputation2 c" \7 `7 Z4 H& ?
set trade-record-current
, j& a" e" N5 z; F4 d- K: `+ H(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) / ~- O$ b6 v1 X5 w5 p0 `) @# j
]
4 v. `& O* f. i9 s" M7 J P" @1 _! J# n: {. d3 O6 O& d
8 y0 W7 e/ L f0 [6 j2 Uset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
1 J' q2 F* S" z2 [7 _% v! G' D B( p6 ~! M9 n' Y [# E
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))& y2 @0 f, H7 h; R B* k" @8 |
;;将此次交易的记录加入到customer的trade-record-all中
4 m0 h3 J, {. jend
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to update-local-reputation+ N4 x3 o) u( ^3 i2 x# V5 B$ }, I% ?' e
set [trade-record-one-len] of myself length [trade-record-one] of myself: Q4 h2 J% e; A0 p
6 S ]+ e! u/ ]+ E* i
; Z- s1 B+ F$ H" U3 }) r; X;;if [trade-record-one-len] of myself > 3 ! X# D- j0 |$ _ ]* d4 k# j& r
update-neighbor-total3 e& g9 O: Q- B2 u; J4 e0 p
;;更新邻居节点的数目,在此进行2 y' B* m- q8 J$ z
let i 3
3 h$ ?9 s. l* Qlet sum-time 0
3 O4 A- a* @/ W+ Uwhile[i < [trade-record-one-len] of myself]0 x6 k, E- a+ ` g3 b K
[5 F6 W3 \6 V0 v# o
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
3 }$ t9 v. R( u1 h4 yset i
7 G4 `% @: a; E( i + 1)
, S; Q$ K0 @3 K7 i0 u9 d]
0 F9 }6 g5 d! U; B1 Z' \let j 3
' V' B! ^1 M5 T5 e: Elet sum-money 0! w/ [% |, \- ~ M4 T8 P6 k' b( ]
while[j < [trade-record-one-len] of myself]
/ p* P1 n* [' U& D/ d H5 y[
, `9 |+ N6 m) R' K5 ], fset 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 ]% v9 p+ ?9 |! Dset j
# I7 E' O) ]) A* V& f% C( j + 1)
# m4 E( l2 v. |: ~]. o% y( M8 U1 U L
let k 3
+ `$ q9 Y9 ?! ~7 v; D9 ?let power 0
* q+ }9 _" e+ |: x' D5 e; Y- }let local 0
+ Y A4 ]% ~- `8 \+ _while [k <[trade-record-one-len] of myself]
+ u! J6 U; r1 s. H1 m" k5 y; h[
. ] _7 w; @) \( R) e2 C9 Gset local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) 3 Y! c; p+ i: n
set k (k + 1)
% W, X4 {5 J* b3 ]2 N]
6 H, |7 H v1 ~# X0 n- P3 Kset [local-reputation] of myself (local)& m, M% D! U; a3 Q( w; U: V
end
" m2 l: S: l! c% N. x
3 V" b( N& O* y, E" A) t( m! j& mto update-neighbor-total
- i+ l4 n# F- I9 v$ c( ?: [. ~ _
( t2 ~9 g5 y0 S: jif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
8 m0 P# E3 B9 {3 R4 D3 m
' m1 M) _" _8 j6 `. v( ?+ N
4 R+ \) N! C/ y( v2 O5 C5 lend
8 q! V# \2 W+ p- e7 h, \! H, w ^' D5 u' u, Y" i
to update-credibility-ijl - h/ |1 v8 O F @5 F
7 ]* W1 _7 I3 N5 K6 J. C% A
;;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。' @7 m0 u6 z( M: `. R/ ^
let l 0. x' D( g) s" N2 u5 [
while[ l < people ], n* W3 B6 ?& T+ j/ \1 d) l x: _
;;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
# y! a$ M$ t; X) J/ ?+ N3 K[
0 }2 S- V' h8 d9 x4 T) Mlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
: T6 i% A% _% Q( ^8 i- zif (trade-record-one-j-l-len > 3) L3 f6 @0 h! |
[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
! I( `' N* ?! a/ [& i6 ulet i 3
. V- A/ k, O3 t7 u( E9 x$ _let sum-time 0
4 q+ O2 a3 u# m* b! w% jwhile[i < trade-record-one-len], e$ c) z* C7 B- t! p# ~" u# h4 [$ r
[
& S, g [. w, Lset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
8 u9 p* }) f3 B% ^set i ]4 s7 [) p) B/ ?
( i + 1)& |3 ~, {2 P* p. |# G' G
]" d. b* t- [2 ]7 X# v
let credibility-i-j-l 0
) K% Q8 _0 i- y, H% W/ R8 X" y;;i评价(j对jl的评价)
# s. H7 Z. K& D+ Dlet j 3
% u. p$ N& G0 q; ^9 ~0 O) slet k 41 l. L3 }/ D( I, J
while[j < trade-record-one-len]- K3 K$ V" j5 z
[1 k2 L: E9 R' ]* S6 Y
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
! j7 U/ e1 [' c2 f# ~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): A0 t$ ]3 b7 ?9 c4 C
set j
* b+ s* V9 o8 b2 v: P( x$ [, `/ B( j + 1), P2 ~* e4 n1 c9 G3 s4 e+ o
]( Q. P+ W& s' s
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 ))/ F, U- z4 X# ~0 g3 v
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3 v+ R; D p7 B, i, {! y* `
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))+ w6 ~/ g& ~5 L
;;及时更新i对l的评价质量的评价
M9 [; ?; }/ \' N, a6 Y5 c) C- U5 jset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
4 F5 @; O- Q% y& F" F2 u2 k! zset l (l + 1)
5 Q9 l9 f, Q6 s7 v) Y]
0 y# u6 z, \5 r( M" Y$ t3 g* l" O9 `end
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+ p+ z9 u! m2 `7 b6 s p8 K) }% lto update-credibility-list* _- }0 J |' W9 C
let i 0
* O9 d" {- u8 S2 f* c& Gwhile[i < people]- E' w7 [8 x% z5 V+ Y ~
[
+ W. v& A6 ?' olet j 04 B6 }" Z! ~3 P* z
let note 0 }. E v- @3 H j: W
let k 08 X# b2 k$ l) o5 o. C6 p
;;计作出过评价的邻居节点的数目+ S1 ]. Y9 K- g1 {( D" M& ^
while[j < people]
# h! O$ Z% d3 R B[4 J# @( ^# M7 m2 j7 k( x7 S
if (item j( [credibility] of turtle (i + 1)) != -1)
# S1 o, `$ M6 }' o7 v1 j( V( u1 @;;判断是否给本turtle的评价质量做出过评价的节点: c; J* x: M& ]- O4 X. a
[set note (note + item j ([credibility]of turtle (i + 1)))& ?# Y8 L- {: t+ l6 \
;;*(exp (-(people - 2)))/(people - 2))]
* w) k9 ?+ a% rset k (k + 1)
" h' b3 f' Q0 V/ b4 q( L% K* ?]
2 d2 o+ |5 Y/ i* H2 tset j (j + 1): L1 ` e( _ ~" i' I- n4 F
]4 _7 y4 b) L+ x% B
set note (note *(exp (- (1 / k)))/ k)
* \& N! L3 e- }6 s9 gset credibility-list (replace-item i credibility-list note)
) x) T( G! e# U! Cset i (i + 1)
- ]% ~* f7 ^& g; F' |6 c+ s6 @]
% D2 P$ i g9 h6 iend
" J7 x0 D! e/ j2 @/ {& ^
+ X4 {" v- C) T$ a+ D+ e" D: {! Sto update-global-reputation-list( L0 A* `$ y$ O4 B! h. ?
let j 0 g1 Z0 [1 H! m* m' B4 _/ u
while[j < people]* n, X# x1 |; L5 z- w
[" _1 v9 L8 J1 n3 [: U
let new 0
1 K E2 [' f/ s+ k/ \- E;;暂存新的一个全局声誉) ^- B7 H6 u3 J! G: h
let i 0
2 M* ~. r# S! ]7 tlet sum-money 07 S# t: b. i: z% m$ W* ~
let credibility-money 0, p9 G0 S Q( }9 Z( m
while [i < people]; i- A" l }8 _( W1 D
[
+ n5 d% Z! U( Q! ?; K/ {2 J( v9 k5 ]set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))( q7 L( k% [6 G: G# v+ ?9 e1 m
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 P% B0 L3 F9 z& P$ q$ D# A' b( Aset i (i + 1) P' @& I4 y' ?- [/ T& t
]- M0 K( j; `, Y
let k 0- x% x. W+ ~: p# d2 o9 w9 [3 e
let new1 0# A1 Q+ p) v" o+ q9 o$ q
while [k < people]
x9 W" P/ A7 i/ o[% ?8 W7 ?# K% _/ {; W
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)4 M0 g( Y& M4 K3 [; _; C! X
set k (k + 1)% Q2 R/ @" B; o" V- d E
]
4 t4 V6 m1 ]/ @set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) . D; \; Z+ J$ [9 x
set global-reputation-list (replace-item j global-reputation-list new)
1 b: ~; w1 F3 A `set j (j + 1)% I0 }: J5 K5 u; g9 U) J2 j
]
" P' n2 H' B" ?. }; _7 v9 Wend2 ]8 X: X0 a& e" Y* H! s
' t" L# d5 q+ N- A+ }
+ u0 h$ F6 |7 n7 ]0 [% r; z9 g7 _% h* \% E2 B! _( B3 i/ z
to get-color
+ \* @1 ~7 K- _1 ^5 b0 K V: k8 u( z
set color blue* ^' N! z! ?+ A- h
end
4 H1 ~0 z* D7 m) {& J$ S
) k2 x. p9 M: F2 Z6 Nto poll-class
- h# s9 [' ^' H' A; yend0 C6 Q, [9 A5 F2 ]0 X5 v! h
# ?% O5 q; ?2 L d, [: v3 Qto setup-plot1
% ]) x- a/ E! A* V' o: ?' R T; O
. S0 H' s4 I# k4 y0 }) Hset-current-plot "Trends-of-Local-reputation"' V @2 W+ G& d4 r: X2 w
) ^7 j* H9 q7 A% W# x4 J& dset-plot-x-range 0 xmax
Y3 ~. U% e+ m) O8 _
9 {0 w; T7 r. Q; jset-plot-y-range 0.0 ymax
0 {7 F0 m1 H1 l" d% X/ pend& J" j3 a) D* g
* P& c( o3 w( l" s: ?to setup-plot2
/ l8 }5 I. m+ u' \- f/ I2 S9 v7 J
9 t x* H' e- Jset-current-plot "Trends-of-global-reputation"4 m! e/ D1 d8 [6 t1 G1 L
# k" E" ?, y$ ^1 E4 a$ [/ E
set-plot-x-range 0 xmax* f) r: n; X& F! w/ l' v
" P! i0 a5 q8 c7 J6 |. J
set-plot-y-range 0.0 ymax2 R) J u c( r6 @4 F# W6 A5 _$ u
end- e8 C# L, V1 @2 \# I5 u8 U8 |7 ?
5 B) F- `4 |( M: X
to setup-plot3
$ @: `" w# G- y; w) F; ]7 J$ t
; i# v, R7 o4 O& `0 ~set-current-plot "Trends-of-credibility"4 Y% j0 P- }/ L/ _4 S4 o
- u0 F T/ D& r0 \1 F
set-plot-x-range 0 xmax
2 P' t9 O" Q4 {" k3 |" R' b4 {& W7 @( Y6 P e
set-plot-y-range 0.0 ymax
) a& `7 v( w+ send
9 c& b" ^2 ~( Z* Z; g
3 \* c. Y' o- X, X% Jto do-plots
+ M( P% O5 k4 l0 o; e# Y% i/ Nset-current-plot "Trends-of-Local-reputation"
1 q* N) V9 g" ?set-current-plot-pen "Honest service"2 S0 ]7 K6 V( @1 t* d; y
end K5 r" K, n6 [( b' M
( B( E; i2 N! W# b! T I. r( ~
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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