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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 ?8 G) G+ y" R" ~% ]globals[3 f7 ?4 k, F! u0 @! |8 s
xmax) v1 I9 Q) S P
ymax& F4 y- M0 k9 z) {9 s8 t4 `; i
global-reputation-list
0 S2 C4 x3 E) |7 W9 p6 a. w9 {/ {3 ^& _) M1 V2 ?
;;每一个turtle的全局声誉都存在此LIST中
( D1 m9 o' z( x. d5 G- j1 v( j1 _credibility-list
% P) s" o- W( l& `;;每一个turtle的评价可信度, _0 `8 U: X0 F, ^. e1 @
honest-service0 _9 L5 S8 `% c# J B
unhonest-service
- ?+ M5 T, R6 _8 Yoscillation! ]' ~, \ M7 W
rand-dynamic" ], C/ `6 ^3 i. A9 J7 q/ r
]
1 ^. c w' _( A0 X1 q* B2 Z6 c" [* @$ p/ {9 m
turtles-own[: l# W% k/ Z4 |' M, W- U
trade-record-all
4 `5 I& {( z( j( q' \# n;;a list of lists,由trade-record-one组成0 _- t: q' T2 x5 p: {2 j
trade-record-one! K/ e0 g8 J4 d* r) ~3 ^
;;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 [: G6 A3 ?3 C
9 c$ S6 V) P. m9 ^' F" C/ 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]]
3 _' D; v( P( n; ]% D' a) `6 H5 ptrade-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]
: A7 n: Z6 n) X2 ?& n& J% n6 U% kcredibility-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( i# k/ R! b+ l( R- G& Z, f0 w2 F
neighbor-total
9 w* m# y" z) Y' Y2 u: C: q;;记录该turtle的邻居节点的数目- s5 Y$ K6 z) V+ Q0 ^4 [! s- V: d
trade-time
' G/ l; K7 ^8 K7 v0 V! C" L, {;;当前发生交易的turtle的交易时间2 {- M( v Z0 B% {$ w6 t: B# q
appraise-give+ e( L* X+ A9 f. e5 \: c
;;当前发生交易时给出的评价
2 P2 V( A% e# P6 nappraise-receive
& J/ x4 I0 g' M' {8 B;;当前发生交易时收到的评价
0 \' j7 w$ g; c0 Vappraise-time+ U M+ z" G% Q4 T
;;当前发生交易时的评价时间; B/ P' T- p) A4 V1 _3 _
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
- f+ M a2 U4 p( \, A# @trade-times-total
2 J8 ~/ ]0 Z) ~+ E& Z;;与当前turtle的交易总次数3 c& B5 O) a. ?- i$ L6 j3 _
trade-money-total
0 H0 L' i, v+ o;;与当前turtle的交易总金额4 ?& m2 G( \0 S2 r! K% Q, e
local-reputation
* V h' y( c8 |$ m1 z9 Y7 w/ ^global-reputation/ x7 A* C: Y7 O* W* S
credibility8 y+ K* a" J, I) m+ F0 t$ h8 l; ~$ W
;;评价可信度,每次交易后都需要更新, }( l$ L! {: j0 e- P
credibility-all; O8 h* c- V* i \
;;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
i- Y6 N" n% m% V3 \7 N. t+ u0 p! {: A5 t5 t+ Z3 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+ g( Q: F6 ]5 Z" R' `
credibility-one
8 m( _7 X$ a5 q- p& x+ v/ w;;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 x1 _9 j' t+ R Q) |6 `
global-proportion. G) W2 T( t+ j- z# d
customer
5 W) i% G2 Q# g2 q) I* G5 ccustomer-no
y* V% P) C$ u9 n5 gtrust-ok
" z8 H" l: C. {9 T4 t: strade-record-one-len;;trade-record-one的长度; d4 Q1 g5 e' T( G
]
2 d; K7 [7 N, @( v7 W! f W0 u4 I4 E7 [+ {' d; y
;;setup procedure( O/ v2 h, u" L( c9 a
4 @. n7 T' n: F H% X8 h- eto setup
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/ H7 C- Z* I4 Z: r8 V5 M4 Oca
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initialize-settings
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P, v+ h4 x- G1 ncrt people [setup-turtles]: _/ e4 H' S6 ^
, r a' d+ H: U8 e( {
reset-timer& u2 C7 B4 C. l8 Y
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poll-class' B, N7 U/ ~6 V: n
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setup-plots% V# k0 p- y! M. t3 c! V. }
; k8 \& i" A+ D6 S4 l3 R
do-plots
4 y" |+ Z5 B6 O- E* `end
7 a3 k- g. J# ^; n) b) y
1 |; x. f+ T' W. N. ?to initialize-settings( J2 W. }/ l/ J0 W( Z9 R/ ?
; D* S$ J8 D* j6 f( Zset global-reputation-list []3 Q; K8 _" E0 ?+ }' Z, A3 y
3 E4 w/ J) Y( W' ~% w+ Eset credibility-list n-values people [0.5]) v# @# ~6 A/ |
3 ^2 w' a( r5 a; O. a' Xset honest-service 07 X; {$ l. Q8 v/ I( Q
E' m. [ m" Pset unhonest-service 04 S0 |2 b- } f- c6 J
% o* M& _) B: u/ N
set oscillation 0
* C v9 ^( z" H+ d- N
7 V) U# A+ Q# G2 O( pset rand-dynamic 0( c! R0 y# ] z* ?+ N
end" O! k3 f: v' o
3 V% }9 B; k+ e
to setup-turtles
. C) F% u$ Q1 i/ B% Uset shape "person"5 r& G, f$ A& B0 `
setxy random-xcor random-ycor
. e5 g a5 X! A8 |. m4 \% Pset trade-record-one []; m$ ^: V+ i9 y7 u4 P
: L' Y( h9 g6 I
set trade-record-all n-values people [(list (? + 1) 0 0)]
6 W4 U9 A9 I8 k
1 {! a, J8 `& R0 \" G# Rset trade-record-current []
* x1 p# @, X }, [8 nset credibility-receive []- J: M" l) o! u) l r7 w A- p
set local-reputation 0.5
. }! Y; Z; d# i& o) r% ?set neighbor-total 0
' z O m% K4 \- Oset trade-times-total 0
$ ^( y- f8 o6 q! Uset trade-money-total 0 j% \0 E: U% O3 y9 _! L
set customer nobody
3 h3 P7 P8 |6 f* A" q$ `& Mset credibility-all n-values people [creat-credibility]
; [4 x- t" Q) q# {, Vset credibility n-values people [-1]
+ X7 _& B. G/ `8 P- wget-color
/ R9 \( D6 H, }! [( X: q, ]2 t5 p7 f8 f' x k2 y _4 S
end Y; M+ h2 ~' E$ b _% j" A* O" A3 s
. F# w/ f1 n# s, M Gto-report creat-credibility
7 K/ ~4 K8 C& a5 N: k7 Y- S/ w0 dreport n-values people [0.5]
3 c h: m% o" C- Y m: E: zend
7 g* w% d4 Z) ~! w1 T2 ?7 @' {/ n: W1 `
to setup-plots
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set xmax 302 G& t- I. H2 d% O. t c( n ^
; S6 h1 V- {+ |5 S% k+ K
set ymax 1.0
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0 ~. L3 e1 ]( l0 v4 g; J& D/ qclear-all-plots
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1 e( {$ {6 Y& P, f$ Q' C z3 isetup-plot10 ^; F8 J: J) \
7 Z' W9 r( `* X7 x
setup-plot2
# r- Z& g0 u+ z/ u7 z# J4 s! j/ ^( Z
setup-plot3
$ g) u- R# Q- s7 r' E3 K, mend
. `% y9 [8 o4 i! g4 H) Y- h% Y1 r- s3 s" f
;;run time procedures
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% G3 s7 W- A" g' f; U! d/ Yto go! F' p# M3 q5 E( v; X) M) a
% {# M% N$ P4 X5 d7 `2 [ask turtles [do-business]
8 n2 L) t* O- C& zend" J4 w# `$ |. B' T: R0 l6 d
3 C& r4 k9 V' l. ]5 ^to do-business
! a, ?$ x/ U* V9 z4 E2 z' \
. D6 S" F: } {+ z* w) N% o3 Q2 y" A }5 i- c
rt random 360
& D5 D r) }3 I: k2 E% v& @7 k" M# k, M3 c; R6 u3 C6 l/ i, i R
fd 1) b5 U3 k! t/ Z% r" s% B
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ifelse(other turtles-here != nobody)[5 K9 b6 f( T5 ]/ O
/ [8 w0 q% ^2 [
set customer one-of other turtles-here
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
7 c7 @3 r4 n. F& `9 f5 h6 F& p[trade-record-all]of self& g2 I+ d1 b6 E" h
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self; ~4 |" h; |3 W9 z
" X# x8 y+ r' f& }6 x! ~3 q
set [trade-record-one] of customer item (([who] of self) - 1)
2 m' f$ Q% {5 j[trade-record-all]of customer
# x/ ^; I g; Y& V& I
1 Y# X4 F5 s4 H& |7 Y6 r3 S, {set [trade-record-one-len] of self length [trade-record-one] of self. f. Q1 c$ e( Q7 w- `8 P
! g, V2 e, f, S) T, c. G
set trade-record-current( list (timer) (random money-upper-limit))
K% y( G3 E$ w% t) L+ c4 f) }# t( R8 [/ x& ~
ask self [do-trust]+ G0 P- \+ N& `( |6 L! w. z
;;先求i对j的信任度9 K* L) T2 ~( m* p% f! o
! ~* q- Y/ [7 F% j2 eif ([trust-ok] of self)
3 ^( e/ F$ |& X) W;;根据i对j的信任度来决定是否与j进行交易[
7 G$ O S, B8 H& Q- H3 Bask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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$ S, j" m, z b' `7 F! U" Q1 p[
7 p5 L- e; L5 p# o) W
& S7 D _. V8 }- C* _do-trade5 T" p7 y1 V: R9 j
( G7 U; z1 k1 ^
update-credibility-ijl
% E& P" N* c n4 T' ]" `, `$ a# y6 t N) R/ l& N4 R2 W7 j$ N" ]
update-credibility-list2 S/ z7 f/ n5 `
) g+ Z/ R9 _' q3 w' b$ ^4 r: F( L2 Y& b# G+ `- V( u, m
update-global-reputation-list/ O; t: R- h% `/ v( C1 F
2 u4 m0 A x# @! j& ^& `
poll-class
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get-color
) w, [0 {2 C9 E7 K* B7 m
9 n$ f7 t! D. x! ^" q; S2 ]$ W9 `]]
, s3 h4 P u+ D) F9 j5 ]3 T. }. E. |+ d2 T; U/ _3 |
;;如果所得的信任度满足条件,则进行交易
/ c! R/ y5 ~ a6 F4 }2 z+ p' z0 B8 R9 E8 y5 I% \, H C
[$ l* J% m" d G2 M
1 c. C1 h/ q5 \$ ]rt random 360& }" U# [' N- X/ [- W" C: x' c, g. }
# I8 \5 }& s( s. C% [' Mfd 16 i. C6 E& R R" }7 I
# z% e9 x. j1 y2 }]
2 r; I1 E, G; s' s8 J
/ F7 R* R% `" j. z: k) W0 w" pend5 I' \' y4 b) V" V7 |, Z/ l }
9 ^5 f; K7 D2 a+ M" k
to do-trust
$ z' j. p6 m3 K! _$ qset trust-ok False
L* ~* L: X6 E$ f/ i3 u. G1 @' q' y8 F% j+ G5 m' |
X6 g: t$ t5 z0 n5 Y# D
let max-trade-times 0
% i& L; Y8 m( ?* t, @; c# Y5 Iforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
3 j* |$ X% C o$ d7 t0 \- olet max-trade-money 0
" _4 ]7 q# a/ M; {8 P4 N9 [foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]. x! I, T+ Y% ^2 y
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))' L! ]- ^: d7 {. Y- z
. v: [' C+ d" j$ t% z3 a- J5 \$ j9 X' ], T7 c
get-global-proportion+ |* I ]# N3 Z M
let trust-value) L1 ?& }$ A( d
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). ^, z7 y- c, @ r
if(trust-value > trade-trust-value)
5 [8 a: f$ F8 i! o( t' a[set trust-ok true]1 D3 h, K& U9 P- N+ A1 B
end
6 w! c g) e( _- _- }& i2 c5 r! @; n! ~
to get-global-proportion0 l( c- z) B' A+ m
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
( q; u3 x) H) a/ i2 w. A' z[set global-proportion 0]
4 X# D1 H9 ~# K6 l0 d* }. L[let i 0! e( q# b9 Y8 i' Q$ |& C
let sum-money 0& W$ ^1 c( p" z
while[ i < people]
# A& E9 r% ]4 x[# E, A, @! W+ d) p/ Y
if( length (item i; A, I) b8 `3 y5 P
[trade-record-all] of customer) > 3 )
4 m$ G' G( B" K% F3 x* J4 Q' o[& Z! L4 H& o! ^/ S) Z5 ], B- d
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
, S. a5 K5 `2 w3 a) W7 p, e( _/ E]8 {# o3 J) I5 s8 m5 O, b& p! @
]
8 A5 ?' x- {7 d, G) ?; x5 U/ ilet j 07 G! o! T4 H" a5 u/ |
let note 0
o) d1 O% k; g. |5 jwhile[ j < people]2 v( P3 \3 G+ K, R. T. ~/ C
[0 m7 z4 s. w; k
if( length (item i, z3 E% M; X1 ]# C
[trade-record-all] of customer) > 3 )
! |3 k" \' z9 e$ G- W[
; I9 b9 l- E& {6 |ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
2 E8 `/ [- Q* M2 {$ n1 e3 j' \[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
4 \/ q6 }; F4 x) o, p6 M* a- E* [[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
9 J+ ^' E% [. h9 S' M5 ^9 e]
# Z2 c i2 C1 S]
/ U! h1 I0 t0 Q/ o5 Wset global-proportion note: U" t0 m, S8 I' Q' e: f7 A
]
' o. }1 M" x9 i5 U q# @end
, S" n: a1 r4 g! H
% g3 d# g% L8 e/ c' M' B# N- ito do-trade
0 h- V" P1 }+ t4 L;;这个过程实际上是给双方作出评价的过程
e1 \' j" V: a0 { rset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价* _' e1 h* R' G3 e9 H* ?. F
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
0 X1 G$ l, y* m) K! V& z# n2 O3 {% x# yset trade-record-current lput(timer) trade-record-current
# @/ M1 u: V: t" e6 l;;评价时间* n& ~: ?% m$ t4 i4 n
ask myself [
! U: O+ | w0 Dupdate-local-reputation
7 t F4 N8 F/ [1 C9 X/ ]6 `0 |) Tset trade-record-current lput([local-reputation] of myself) trade-record-current; K$ p+ j# T/ m5 `
]
! e9 Q) k; X1 Z: zset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself) l `4 _6 ?8 M& t# @4 `. U3 T' _+ T
;;将此次交易的记录加入到trade-record-one中9 i! G" z5 [' f# ^' h! r! ?4 f3 ^
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)8 p# @3 X2 E6 [' Q6 A+ _
let note (item 2 trade-record-current )' N/ C, e1 x8 D% r p6 s
set trade-record-current
0 b; j) p% F- \9 G(replace-item 2 trade-record-current (item 3 trade-record-current))
u; r. V c; f+ _* M; |: {; Zset trade-record-current
3 c. d5 b$ q# a* ^2 d& T+ ~* j(replace-item 3 trade-record-current note)- U& F1 i/ ^7 A E' C9 K2 B
) S C4 B: `2 U* E0 B/ ]" ]
( d) s2 r; i5 \6 E e: {ask customer [
: K4 ~9 w' I* y: R+ c& o- y( d6 D' Fupdate-local-reputation
) u: p9 V: O' g6 K# Y0 Yset trade-record-current o" i6 h5 K9 _! S* H
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
8 B* b2 x" d P, f% F]( y" V$ }( Q" Q8 X
9 m7 X" Z) a! [7 K: k: ]$ h, r. ?: u1 H! d, E, {" Y! q& Z
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer1 q+ N3 s) S8 B& d
) `0 y* E* Z& P; E( U. _4 ?+ Wset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))" F \+ h2 O" U' }6 u! ?- \
;;将此次交易的记录加入到customer的trade-record-all中
- H. O- c+ E: |end
% K! S6 ]7 }( u' r) U1 N0 r
' R A4 ~' Z5 k0 G; kto update-local-reputation
1 n/ X# b G K0 J" F i( Q* o) w1 Nset [trade-record-one-len] of myself length [trade-record-one] of myself; a' h% X# s R, `$ W
& G" @, ]" a- l. _7 F2 [$ Z' F- l$ u* M" D
;;if [trade-record-one-len] of myself > 3 . K: D: l, h$ h' h4 t4 c
update-neighbor-total
. j/ `# g, X- }5 G" ]* H;;更新邻居节点的数目,在此进行6 c# q5 F# R( V8 z1 e
let i 3+ |% |# ~$ j) w# q z
let sum-time 0; s2 {6 ~8 V$ @
while[i < [trade-record-one-len] of myself]
2 G G" R" R. @[
( L/ g8 t7 [$ q0 I, x9 f1 Yset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
5 I, \; J4 d; ]/ t! C& lset i5 G7 r. i6 b/ }+ d' J
( i + 1)3 Z5 |# d5 |' c
]& ~6 J# I! o3 c8 R
let j 3
) ~# t2 V( K% d+ q3 [1 I/ K3 g8 m4 qlet sum-money 0. d- r+ @( |4 `3 `, L
while[j < [trade-record-one-len] of myself]
1 E( Y+ ~2 V( u[7 `8 B# n( }/ j8 @* w! @. v
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)& j; l ?6 P- z' {3 t9 B0 L
set j
1 i, c0 A; y! m: ?( j + 1)
1 S! W$ z% c4 U0 C]
c/ u R* ?, }7 _' j6 I1 u9 tlet k 3+ d& B: g' p+ k! x2 q1 a
let power 0
% @) p. y: l( _0 M+ ~% H7 Slet local 0
- K5 a& D( w/ e9 y( y4 t! Iwhile [k <[trade-record-one-len] of myself]0 {: U" H# ~( X* m
[& Z. X: e7 p9 C) r" G
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)
+ r( Y2 U% v4 @6 [6 h$ Oset k (k + 1)/ y. T7 q+ ^. b
]
& N# I1 N; ?$ P4 m# dset [local-reputation] of myself (local)
& @8 o) p+ z# x2 G* Dend# d( K% C1 A$ R) {6 ^, ?. b
& {+ f2 c3 X+ K% ito update-neighbor-total3 ?5 l5 i- W! L3 P6 a
) |1 u1 q- l- _9 U2 @. S
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]9 p! o; @8 K9 ~3 w5 C( f
1 C# d" _5 Z- \. z0 u- S8 w. {$ G
2 R- X. T# w" [* n& @9 i* hend
+ [9 }! _! j* C( L" }+ p% B* _) i( W" q) X! X2 A
to update-credibility-ijl
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2 h. X( a; v0 F0 Q- v9 {5 \$ h" T9 i;;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。. P# [9 Z, S/ @8 E h5 G# ?
let l 0
+ Z& D* A$ c ywhile[ l < people ]& x: Q, D5 E/ J& M& S2 i/ }4 J8 k
;;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* A1 V( E; K; [& ^' e" s
[
, E9 L7 [8 z8 w Hlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
1 _9 F: `2 f" X8 e" M" ^1 oif (trade-record-one-j-l-len > 3)
: ~) m: M- @0 u. H+ x% M% d5 X[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-one7 B4 R! n& h. y
let i 3
4 _3 E6 _- s$ v8 e. b2 Rlet sum-time 0! Y$ Z# X4 P0 f. |
while[i < trade-record-one-len]& T9 d* x9 {# p4 {4 t+ V0 r
[
& z' @( y5 a6 Q) B8 a( s! o |set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
5 q2 e( I& D- X$ E) _, u, Kset i/ i, K0 x; _/ v# F3 E
( i + 1)" I0 i9 k4 S O' M
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let credibility-i-j-l 0
* P) t- s$ |: n$ t. R2 l2 Q& F# M' i' {;;i评价(j对jl的评价); T9 G, }' K$ x; |- ^
let j 3
y( q3 h1 p) \' E3 b" e" Rlet k 4
5 e* \# p6 _/ j3 o$ R; o" a. gwhile[j < trade-record-one-len]
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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 ?/ }: C9 B* ]0 m, B9 n0 L
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 z6 n- S, o3 r d8 e
set j
% p7 T4 K* q6 N8 W/ y& E( j + 1)
$ r" ? ], ?$ J2 X. s! f4 ]* ]+ b# f]& K9 x1 o% N0 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 ))
6 V. B, ^/ a; o' A% G
8 ?$ [( Q1 g" {% C) G6 k& X) Z
' m2 K a" w, g2 i, @4 mlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)): o! W' R! `# t o( B! M
;;及时更新i对l的评价质量的评价
6 x/ O6 }% n% ]+ X8 q' Zset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]9 p* A% T% U* A# i! X) ?" V0 m$ i
set l (l + 1): y# G6 f2 I6 q3 K
]
/ T! V+ ~, h9 U% v$ r' m$ L d. Iend
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% Y% Y) J6 V, f+ L xto update-credibility-list
) v! O" \' }3 o+ m. flet i 0 g3 p) m$ I' ]4 d; X9 v% G
while[i < people]' I8 c; r }2 T$ Y
[
( B7 k4 W1 }! N# k5 l6 Jlet j 0* j/ |# _$ E# Z$ s8 P% l2 i8 A* U! L
let note 0
! l t# m2 A* d, s' x' \# Vlet k 0
( C! r. k* l7 k) e;;计作出过评价的邻居节点的数目1 I& d$ y& K5 [7 K3 r
while[j < people]
, s9 R; q. ?( q8 u5 |' `[
2 |# ?1 k5 ~* E9 _* M0 |/ q0 rif (item j( [credibility] of turtle (i + 1)) != -1)
( i3 N: _7 p1 }% t9 p0 l" ^;;判断是否给本turtle的评价质量做出过评价的节点
" ?1 V/ ^, R$ U[set note (note + item j ([credibility]of turtle (i + 1)))
5 c# i# |/ P8 l$ a1 S* J;;*(exp (-(people - 2)))/(people - 2))], o8 f I. e- u2 |4 q
set k (k + 1)
" v% S0 ~) }& \]
' y3 H m7 t, }: s/ s5 D# Zset j (j + 1), Z# F2 o( Y# y) w" }* `
]
1 Y/ K0 e$ z* T3 X- ?set note (note *(exp (- (1 / k)))/ k)
( d8 N; h! V8 Q& a" Sset credibility-list (replace-item i credibility-list note)
, R% _( D1 u/ {: h) B2 D g' Oset i (i + 1)
4 B' E- p9 `! A# Z/ J] g Z6 u0 m% a
end9 V3 z9 d% X$ e1 g5 y8 ]
% S5 E# m+ B9 B. qto update-global-reputation-list Z1 I) L& m$ Z8 N
let j 0# h4 v Y- T" {
while[j < people]
7 j! y7 X2 C5 a0 c- n[1 k* y' P8 a! @& W" r+ a
let new 06 ^3 N- D V, b: h
;;暂存新的一个全局声誉1 x( B7 z/ I# M
let i 0/ ^1 a, ^1 H8 n3 c# u
let sum-money 0
+ N' c5 b. j6 D3 blet credibility-money 0
/ C! Q4 [& r7 B& a9 L, D& Ewhile [i < people]
( a+ i- V* Q' u' h' n[9 a1 w$ d- @5 r3 I# g
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
7 F( a: m3 U) {- y ^set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
9 o" e% P; s/ n% }* }9 H# G# ^: aset i (i + 1). E. X( S/ f& R+ h+ H8 |
]3 A, U+ v3 k/ K5 b
let k 07 [0 S, R$ f# p7 l! Y# a7 D1 X
let new1 0
* G S3 [+ ~/ twhile [k < people]
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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)/ `1 ~9 v" u* X1 F
set k (k + 1)
% M2 P! l5 _, m, M! S) _]
. |. K+ ^/ L/ o5 L. E0 Z( u- jset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
4 l6 E+ x' v( e8 K$ sset global-reputation-list (replace-item j global-reputation-list new)
2 @0 j9 D2 w5 S# {6 O2 U- wset j (j + 1)
* A6 [+ a- z( d( L' y0 F1 ?+ v]
4 Q R) l3 {4 v; u- eend
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# x% N$ V, n9 J' u: u f
to get-color6 s+ |6 O9 f4 z. V X! S- O8 f
9 Q5 s- \8 j! P9 \set color blue, }9 F/ u; n5 \$ T0 |# r
end
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8 x3 m: S: d0 T& w& l% F1 hto poll-class
5 A& n q6 B5 Xend
% \7 |% G) Q8 M
8 V0 _# k" K2 N1 Q/ i7 e1 \5 Q uto setup-plot1 O0 W" U+ Y4 T( k) C
8 ~+ E( l& y2 e6 n" v1 ^set-current-plot "Trends-of-Local-reputation"+ H; E4 ?5 I+ z3 Q* c1 G4 c
& s N* L3 L" S0 n( h+ I/ Hset-plot-x-range 0 xmax
0 { ~1 Z: `# e2 Y6 i7 P' B9 [# W
set-plot-y-range 0.0 ymax
- s2 Z. n/ z$ a ^# E: Vend" G& g" Q# ~8 e
# i1 w: B/ \) j: }7 F
to setup-plot2
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set-current-plot "Trends-of-global-reputation"
1 ^1 V9 A" D9 ?* \
0 d0 K; n Q8 U4 u6 y$ Z9 }) hset-plot-x-range 0 xmax. e5 Z- Y" ?8 f0 S' ~- w: K
7 y. X$ T/ b0 T4 f) P/ ?1 |set-plot-y-range 0.0 ymax% x3 w7 U/ x, Q$ I/ B- E
end# r" |! m, f- b. C) G6 g) |
5 Z$ u) q* ` c0 @5 X
to setup-plot3
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set-current-plot "Trends-of-credibility"9 Y0 y. M' w0 c. v# ?
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set-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax R8 O( s2 x" U& f: O* N: U7 B
end
& k1 \1 @7 S b6 U" _* F! S1 [5 T( w" G7 E' W! d8 O0 a6 _4 b' S; Y
to do-plots
7 ]' q% \/ T8 V* _set-current-plot "Trends-of-Local-reputation"1 C; e$ i* Z3 M) C+ G5 g
set-current-plot-pen "Honest service"" z+ w5 [; x# z7 ?7 Z$ b# l
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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