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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$ U& \6 }# U6 u b: A. Q0 b3 g2 ~/ I
globals[0 I- N( U% Y" \0 y) K
xmax4 n C# _1 E( N4 F2 T# {8 K
ymax# w% n& S; y) k( L
global-reputation-list
h3 R% S, `& A+ c: P1 N- U0 m2 o$ {$ V, ~
;;每一个turtle的全局声誉都存在此LIST中: n+ `) n. E# G- l( d! o) f P
credibility-list% \! b: e) ~3 {3 Y1 t" `0 S1 |/ t- W
;;每一个turtle的评价可信度/ u2 ^# i2 `% z0 o
honest-service% t5 e" l2 g0 L" S2 ?9 M
unhonest-service
- I" @: T# a4 j. ?1 u& m- s, Loscillation
1 k$ b0 j" w0 e8 ]4 X' h+ Q! arand-dynamic5 U% L R9 e9 l- t9 v! u/ {
]
7 u/ `$ \4 g& l2 ^ l6 o
& V) }+ N4 l3 yturtles-own[- B+ k7 f& J+ K9 {# E) j
trade-record-all
# k9 H4 W y8 ]0 L. {, i) K;;a list of lists,由trade-record-one组成
6 L; {. d y5 d H+ Ntrade-record-one
: [& G K: C. R;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录! Z; x+ H4 ^* W2 E: s
) }1 b% v6 A; O i+ c' j- l;;[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]]) I, |9 ?' [8 z$ b
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]
3 _( i& E3 l0 a4 Pcredibility-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
3 c6 A7 r, U( W9 ~neighbor-total
" @5 f7 {5 M# z;;记录该turtle的邻居节点的数目
! O) ]5 i# I. o8 p+ m/ F5 G: Utrade-time
% i- |% E N' i" V. O1 V;;当前发生交易的turtle的交易时间$ N3 N* s: s) [
appraise-give
" t: C8 g4 P8 d5 f;;当前发生交易时给出的评价
( l% H c1 a3 N" mappraise-receive
9 Q5 X. G8 \) d2 k;;当前发生交易时收到的评价
9 p3 L2 z( Z$ a, w9 k- G- g& ?appraise-time+ z. u8 U' Q6 M, W6 ]
;;当前发生交易时的评价时间 S+ C( }0 z0 [6 p0 }
local-reputation-now;;此次交易后相对于对方turtle的局部声誉 L, R& d+ F+ g7 d, L* s* c
trade-times-total
$ C3 [ K1 v( A3 d# s {;;与当前turtle的交易总次数
5 D" l1 F8 z# P; Ztrade-money-total) |( X: a9 k h6 ]( L0 l
;;与当前turtle的交易总金额: g9 ~ v) E% }0 n) v6 }' Y) c% ~
local-reputation
. L1 _, }* `7 P. E1 Z* Hglobal-reputation
1 `) r% [# m2 c: t* P0 g6 bcredibility
( k+ K+ \5 N$ V$ ^' S;;评价可信度,每次交易后都需要更新* C) O3 y: v' c* p5 ?
credibility-all
- o8 P4 e" h1 _8 J7 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& @4 I# J$ _/ W) R8 P; ?- [
. l8 X. r1 d* M2 m+ B
;;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
: l; B" }. `3 h' b5 vcredibility-one% O2 z' H$ x. _8 \, R: ?
;;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/ {: y) O* e# H$ K: f# ~
global-proportion
4 r) J+ S8 H( }0 [customer
# l+ C/ y+ N9 J9 Lcustomer-no/ d1 b7 V1 ]& s8 v5 {
trust-ok
% k$ x0 @2 W, ]! dtrade-record-one-len;;trade-record-one的长度
( l7 i, n- D0 n+ U! k* k]
" D3 L ~2 F' I4 ~: ]
& T6 a# J& C, U+ I;;setup procedure
W0 _2 B4 n. E7 B. T. p8 N' F1 V% O$ g: A
to setup
6 M1 C+ ~4 ?+ t9 i
$ E( u4 Z) x$ m5 x' B4 I& ?ca6 j/ s3 O+ I {) ^4 j
2 y# h, ]2 \ b2 ?initialize-settings2 L; M# _5 @4 W$ y: O
( h1 x4 ~( I+ E, d$ N0 m. N
crt people [setup-turtles]
$ s" k- N) G% z+ |: I
3 T+ o4 h0 N! g7 K, ireset-timer& N7 R2 J$ j& b g( L! G* ]1 y k
$ s! U0 I- T& V% P+ G9 V
poll-class9 Q9 q* j- q8 T2 ]( F
! d( R. \1 f# U* l0 e1 K' Z
setup-plots4 N) }% h/ i- o; X7 ]) g
d" e2 V& W a: S/ O, u/ n
do-plots
" k: X4 l& M* t1 Y8 }( ?end
+ b% \( H. c* R5 a: T# @% {4 N
$ x/ P' G5 [+ ito initialize-settings& k1 ~$ k: M1 A/ o' ~) v
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set global-reputation-list []
0 J/ ]$ _6 F2 I0 y0 Z4 z
! g$ M2 {2 S) p' _" Qset credibility-list n-values people [0.5]1 U* l. e3 N8 T& W
, m, I$ U5 l! ^! \" Wset honest-service 0
( W, P5 \5 K7 _
/ a0 t# ?5 E- p- l0 Dset unhonest-service 0. W$ w' x; j6 K8 S8 D
" s7 t; ?6 x0 X
set oscillation 0
/ }9 h% O! y0 X
! A1 T. R3 H7 Z- Z: Q0 h1 jset rand-dynamic 0, Y& l, w( I, Q' G6 r! E
end
7 T- j: @, v( W0 c. f4 }7 j- \
4 u& b& t4 Q% k9 Oto setup-turtles ) a2 B& ~: I" X( Z
set shape "person"
+ ^8 @3 s) o$ L( A5 asetxy random-xcor random-ycor% g: n" y/ T J: x
set trade-record-one [] m% }8 m8 c: M" d0 \6 g1 w
4 a a# G: g; c3 w0 E4 [set trade-record-all n-values people [(list (? + 1) 0 0)]
F9 T; ?) y2 J( x- q/ B8 ^9 {: p+ A1 m2 C! M0 _
set trade-record-current [] L( H p# s! h5 k) W4 G8 g2 b
set credibility-receive []2 w& D0 R: [2 s1 r! F
set local-reputation 0.5. c& z6 M, ^ n
set neighbor-total 0& h7 V/ ], T; J2 H
set trade-times-total 0) z" H9 @+ S6 P3 G" o
set trade-money-total 0& O( x. O" E7 j4 T* y- F9 Y
set customer nobody
; j; k7 r+ r" w9 T, }set credibility-all n-values people [creat-credibility]& F4 h: r3 u0 g) z; G
set credibility n-values people [-1]
4 R: ~8 r) O+ p6 C. A; Tget-color
2 H( P; j3 v1 Y
. T3 W. q9 R4 P! I) cend3 h# V4 V; R9 \
+ o8 Z" l- m8 c/ Q) T* w9 l2 Dto-report creat-credibility
$ I" @+ d% C/ G' h5 N1 C% u: n" C+ h: Ereport n-values people [0.5]
+ X: _8 w$ q3 _. m5 T/ Zend5 w! K4 ?, u" |1 `% C; i Q0 p
! g+ H' t8 e, v3 ^5 T9 M1 K
to setup-plots
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set xmax 30
- f( h! H7 l9 n( U% b9 [5 U/ `- Y- w
set ymax 1.04 @) g% Z0 m1 K6 N) s9 E' [2 C
! A. S+ a2 @7 ~& v3 }clear-all-plots5 g2 S1 k9 p2 s# _
0 r3 J" J" Q! n1 }
setup-plot1! j" l) I i+ W' U; F, u w2 q5 Y
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setup-plot2
: g. Y) T$ d& V; N. s3 W* b2 {( z3 r
setup-plot3! d) ^& y: i4 d; \3 l( r8 A9 E
end* w. m% i G$ {1 Z: j
) A( w, k- d m" `0 p" l& \
;;run time procedures0 G/ O6 p1 C. T& F( t: J
1 @" q J6 V& u8 Z, s, R" s* e! pto go$ P# ~1 |6 {& ~9 S
- J" p& V3 U( T# ^2 D% vask turtles [do-business]" r! B) `- I5 S' q7 `1 W
end$ y7 K7 G* o* l V' v$ d+ I0 o6 l
' |4 m8 U' x$ J \$ f" h# F
to do-business
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( ~, F6 n9 w; ]$ Y9 r1 Q- Drt random 360
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fd 1
# F+ f' t, P% M- D# W
0 E9 h% \5 W- f+ Z: v+ mifelse(other turtles-here != nobody)[6 H8 F) u9 M# F( z, r; g- M
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set customer one-of other turtles-here
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;; set [customer] of customer myself/ H0 ~) a3 s/ G" F
7 M1 |( q- m& p) U& N/ mset [trade-record-one] of self item (([who] of customer) - 1)$ g: S! O9 Q7 K, [
[trade-record-all]of self5 E. M- k4 g9 z8 T, c1 K
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
6 _' t" x0 a' r; j$ G( }, ]# K) h+ F* |) R9 I4 ?
set [trade-record-one] of customer item (([who] of self) - 1)
1 \+ l, s! W( Z+ ^& O4 b c& y2 o[trade-record-all]of customer) C7 H, i& T% F9 @: r, K
) F# R* Z9 {# `# {7 a- a9 E
set [trade-record-one-len] of self length [trade-record-one] of self
9 Q3 O4 y+ Z4 c2 m- G; x9 B j
( ^. n+ b" b( F8 D: Cset trade-record-current( list (timer) (random money-upper-limit))
" z4 v7 g8 ?$ B# C, p' b, @2 F8 {
: z$ s" C! D3 r; n3 U% Task self [do-trust] _8 G) R+ L$ f% ^/ Q- Z: B7 h, w5 p! S; u
;;先求i对j的信任度" d6 j' s/ w$ c5 j# u
+ z( g- v+ e$ _/ c+ d2 S* B( Xif ([trust-ok] of self); G1 D, H9 o1 d1 b4 r- L
;;根据i对j的信任度来决定是否与j进行交易[; ` g5 v n1 u. G& l5 ^
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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) w1 d$ a) B& S4 j, x[
2 D! [# r# U, g! T& j
. S0 M& g$ j/ vdo-trade( S' [1 h" g4 M/ E
[6 i& n$ T- {! L D- b2 W1 aupdate-credibility-ijl+ i8 o+ Q3 `6 i9 m! Q
, C* k) e3 B9 X* {/ q; h
update-credibility-list
( C" h5 [: @+ z% q5 u- @- _$ F1 i% u9 Q! o
3 p- @0 b; \- D% a Tupdate-global-reputation-list% x7 |) x( l+ {0 A2 m- f& |
9 S) E L7 H2 A7 \, N1 epoll-class
; x& I0 i" X5 ]: P7 t
( L, A" F2 Z. U! T# uget-color
9 X% M3 ~7 W( {2 d, A' I0 _) K' ?9 Y4 j/ k2 W. [
]]
/ _% B. y2 ~' _$ X+ N. A# m; g
, D/ O* |; H) u) K& h;;如果所得的信任度满足条件,则进行交易0 H: o- [# E9 b" d0 l/ w
% n. \, ?* I0 N; n( W, G) d! l
[
# D6 H; g3 W( T) j3 e, O1 E5 N5 K& k% {7 x, L0 Z: N r2 @4 S
rt random 360
' {6 \ l3 \3 g' w, D" w( ]' Z* l! n5 A5 t+ N# B# o( |
fd 17 I6 g' s, L ~/ V# u: T
1 P! |4 e* {+ a8 w( M# P( T$ l9 X
]
- B8 g/ P9 Q4 b6 B1 I2 u( n
# l0 t6 \0 Q5 d0 [6 F3 Lend
( A# W4 d* Q3 `- J& J% ?% }
2 n8 e$ v; l8 ~: Q& ~2 Oto do-trust 9 J3 _1 ]+ w1 C: _
set trust-ok False
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2 g1 d: B, ?0 u/ h6 I$ p1 t9 M5 v+ K1 D5 L
let max-trade-times 0
' v# r8 n1 V: W1 Nforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
% \& R( V: R5 j9 [let max-trade-money 0. g" W" `/ t! |! P4 H7 L! Z0 e
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
' a7 ~" H6 p- B" I! w9 m0 Dlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))0 ~! A+ ]# M3 I8 a1 j' q1 h4 ~
% _5 Z. N; f% r5 C1 Q; h$ Y
* j' v9 ?0 q$ G& b" tget-global-proportion t/ S {! V# ]/ Z
let trust-value/ A4 u4 O9 n j2 q7 R' y
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)3 h& Y; U8 m& i( s( g$ N8 ?
if(trust-value > trade-trust-value)+ z- H _% |: [0 @& \
[set trust-ok true]
5 ?8 A# s1 e* s: Y: fend9 f/ B6 t' v: B, n' Z5 y
7 q. P1 X( w4 n4 h( O# m, |$ o3 g6 u
to get-global-proportion
, @# H, S) J( K+ W4 ^$ Vifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
! s5 D, }7 q$ j3 g4 T[set global-proportion 0]
2 {' }( g5 C1 w6 h[let i 0
p. V+ O* |( d8 V0 i/ flet sum-money 0( Q. o# [2 g5 G0 x+ Z% r
while[ i < people]* Q6 t# B+ V. w" G& \, e: D3 k
[
) Z" |* o1 ~& Tif( length (item i* c, u; E$ |# m o( t6 {
[trade-record-all] of customer) > 3 )
0 `6 y0 o s8 C/ Y9 {[
- V4 A4 ^0 Q! \; sset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
& ~- q$ | ?- J- ]4 q4 ~]: Y0 i+ r" K4 X! O* y: C% O3 ]
]" E4 c$ Q6 d8 \7 W. }' ?
let j 04 l9 X& s X, `. ~! y8 ], V: r; x+ N
let note 03 n [- C: @6 f2 Y
while[ j < people]
7 c! R; P! x3 ]" R/ g4 r[& f% H7 l/ `* w- Z4 t' e
if( length (item i' t# r8 s, t$ H; i2 ?' O6 Q7 y
[trade-record-all] of customer) > 3 )
8 L0 f% D' }8 A8 O7 F3 ^+ N[
- u2 c+ g9 l* Iifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
. M& U6 q6 \; i' g7 Z[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
% D& A/ M: V, Z5 L9 S[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
! Q9 B9 V p8 g6 |) k! V]. C. V, S' T" j" i9 t, L
]
; _8 }- A/ f- E) r4 x$ M! o9 dset global-proportion note
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2 _# p2 i2 b! g4 a" \+ S( A2 Vend
( {, w; V4 `& h$ H5 y- {
1 v+ Q' C& {/ t9 v yto do-trade+ K+ T8 i7 T" E" l
;;这个过程实际上是给双方作出评价的过程! B3 f9 v$ x! g
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
% a5 l( K( H% \; y% o! D1 Bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
, y n c5 Q( I' y# wset trade-record-current lput(timer) trade-record-current
8 p5 Q% |1 h' u- @;;评价时间/ R8 N3 n s' D( R
ask myself [
. N3 d' j; K2 @: f9 Oupdate-local-reputation
5 b4 R2 Y& N8 H: mset trade-record-current lput([local-reputation] of myself) trade-record-current
6 k; J4 u0 q, y( W]
5 j3 K1 w3 w8 c+ k2 H( qset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself0 T3 z. G9 J- j1 [% O" i4 W
;;将此次交易的记录加入到trade-record-one中1 n* N0 K7 `; N& S a3 M# f+ N
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 Z- u7 b4 {: {( Z7 I/ L# `5 Llet note (item 2 trade-record-current )1 G6 ^6 M8 \" ?3 V4 n0 ~
set trade-record-current
; a# J% J" @* f5 g8 i, w8 K7 D/ N(replace-item 2 trade-record-current (item 3 trade-record-current))
: W' J: N1 F O# P# lset trade-record-current
6 \! s5 m8 _/ c(replace-item 3 trade-record-current note)0 ?" M. O$ P" H9 t5 G
. I+ B2 v3 @! P4 ~+ X+ P
+ t/ i# y3 f2 e8 f% ^& H6 f
ask customer [
2 O7 J- Q; d& z& h2 R0 d3 ^1 g4 a( V7 H9 Iupdate-local-reputation
5 A5 N& z4 k5 y7 Y; E! C: p2 eset trade-record-current( {0 u7 `) o. |3 p0 {) G, l6 }
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ' ~" t' R' g- P/ e* j
]
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer0 u) J* ^7 M7 _( j! [$ Y! ^ ]
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set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
! C" Q, v6 i) M; }! C2 U, S;;将此次交易的记录加入到customer的trade-record-all中3 D0 s' j9 U ^6 P, W
end3 g- H/ e/ T1 A7 c
# X9 U k$ x# T" t9 |4 kto update-local-reputation4 V3 v. n) u% c6 v
set [trade-record-one-len] of myself length [trade-record-one] of myself
: _" i7 L, D0 f) ] ]5 {3 o: F; t* y4 w# c" F
! I2 k1 G. W# k;;if [trade-record-one-len] of myself > 3
: }+ D: G; M" j8 _: h: Q' Fupdate-neighbor-total0 h# y1 a) ~4 t- `" Z! j
;;更新邻居节点的数目,在此进行
7 |+ [7 X) p( C5 K" [! v& @let i 33 V! Y& @' Q! M% z
let sum-time 0
1 y, O9 t' k C- Vwhile[i < [trade-record-one-len] of myself]$ H% h+ E1 s4 D! ?: S
[
, \, X8 ?2 C4 Y4 E$ E5 ^# ^set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 F, @; K0 g% a9 C/ O9 dset i
3 |/ E% j# Z M# h( t/ W0 c5 x- t( `( i + 1)
7 x7 y3 U9 o+ W( W]
' x- ^$ W8 ~2 R) [* R1 ulet j 3
- Q5 `, z+ ]4 `0 u5 }- e9 V' blet sum-money 05 S1 v& I' I9 \, u: D
while[j < [trade-record-one-len] of myself]
2 a0 b2 w. I+ o) b2 y[7 S& N1 W: h) T( N
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)
: o) \% V6 F3 X/ rset j
8 [( {; ]) U& p3 Y- W( j + 1)3 T) f# ]( q( I; c$ j# T' E
]1 q& a) B4 {5 Y/ b9 a9 q9 W
let k 3' _8 O7 _3 ~% y8 k# z" w# W5 Q
let power 0
$ j3 {6 O# t% S1 Klet local 0* y( J# p9 H) O4 B' w- u7 a1 E! j
while [k <[trade-record-one-len] of myself]
, A; b7 Q! ^" q[8 r1 d' r7 n- i
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)
' {4 w# o* {. o* n+ e3 dset k (k + 1)
/ g* B' l$ y F3 p, ~: p]( ` E( r- B5 ^$ ?5 [$ t/ X
set [local-reputation] of myself (local)
2 T$ V, v: E f: A4 {end* [3 E; y9 [$ k% y% g' l. T m
. N- [+ {* t; b2 Q. sto update-neighbor-total
( l, v$ l( r. m3 f7 [$ h
( m! E. Y8 A4 [' `; Q! d& Hif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]( ?0 \- s$ |5 _' Q
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/ k J4 E' y# D& Pend! k, m' t1 K5 Z+ i
4 s9 W3 p5 o, q2 |
to update-credibility-ijl
5 V" t: x( |+ G0 `7 i3 V0 B. z. M" P1 R* x; J4 Z4 X4 n5 Y& F
;;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。
6 p' q |" I4 u. ~+ Z- rlet l 0
- l: J' I% O: N$ X1 R) l" Cwhile[ l < people ]+ t; g* N; ?( b$ N9 ]- ~* d
;;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; l9 J+ h% _+ V& ?/ q c
[
9 g/ ^! T6 S6 c" k# Z8 ^let trade-record-one-j-l-len length item l ([trade-record-all] of customer)' |. V( Y7 u0 l9 a/ M* V8 Y
if (trade-record-one-j-l-len > 3)
8 M9 k/ n" X9 D9 n[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
) e/ X( ]! H# u" e+ E& T ^ Y* p' I% Qlet i 3; |2 A' m( @1 R) y. \; h
let sum-time 04 b. |8 f' y: A2 T
while[i < trade-record-one-len]) h* l5 l, i& U2 }9 }
[ o, F7 S$ k" `6 e, n/ u
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ); T2 v) B# e# D% _2 q
set i( L% |, y# ^4 E5 ]: H
( i + 1)
8 j0 d! E5 R) }# S% j. {]
( ?# K# n% p6 ]- t3 Clet credibility-i-j-l 06 ?1 O, s& x @
;;i评价(j对jl的评价)
' _% C2 e' S# Z3 v: O0 M, C2 ^let j 3$ C1 A/ A; ]3 g
let k 4, Q. J- {7 u6 G/ g, ~* U
while[j < trade-record-one-len]
5 g: m- w+ g6 J7 T/ p; U; `2 A[8 }4 y; q0 D* x7 A- P9 ~# V2 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
( u N( G/ ^! @- z( k C/ P+ qset 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)$ ^' A5 J& e" K3 J$ U
set j
) r; c3 u4 U+ e/ {$ h& j( j + 1)
b8 X$ e( e! E5 s% c& A]
, R6 ?! I. s1 ]! ~2 F# Cset [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 ))
1 B; S' a+ [7 N2 R: I% v/ H6 K1 q* {; o
2 j7 Q% g1 f) v$ [5 T8 {let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
; k$ H3 {: F% Q* _$ D; j;;及时更新i对l的评价质量的评价
" h% R' m- Y* J, s; xset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
) B; t6 B% b; [4 {" e" o1 r: s0 Z. T% d0 Bset l (l + 1)
* t) i6 C$ t+ k; k0 E]
: \% Q: M! R) `2 v- g4 j' wend5 ~( C9 y/ L( z/ t; W& \5 D- [
7 W0 v% J, W3 S) L3 f/ J
to update-credibility-list3 e, i4 T, F& `& P# f; ]; u
let i 04 L U0 c7 D: v; J) [1 }
while[i < people]/ w. V7 S" O/ `+ _. a) i# v+ u. f
[
1 V$ K9 R' @/ i, s& Rlet j 0
4 c" W6 @+ M' |/ q1 Llet note 0
! G' i' L! k( C( ]7 ilet k 0
* q w; S3 e$ y0 J# ]# Q) r" C;;计作出过评价的邻居节点的数目+ d6 S: ?" |: x( N: e, U4 c4 W; M
while[j < people]; F* D. ?$ p/ R) ^- E0 |
[7 J: G7 h1 _; b; c
if (item j( [credibility] of turtle (i + 1)) != -1)
; `% C+ Z0 h7 k* L( O;;判断是否给本turtle的评价质量做出过评价的节点
, V4 W9 k$ K0 Z; V[set note (note + item j ([credibility]of turtle (i + 1)))
: L% Y$ A! N/ a3 c5 T;;*(exp (-(people - 2)))/(people - 2))]. K& k9 G+ G6 @6 z7 v7 H1 f8 u
set k (k + 1)
- n( H" K( y4 T' i' L+ Y]
+ Z/ A( _) m4 n; z1 L3 A4 Y0 rset j (j + 1)
! ` s2 ]' M) N* C$ S, J]
7 `7 R8 F+ ?( Y& H) ^% n& e c) Eset note (note *(exp (- (1 / k)))/ k)& B8 q8 s( ^5 L) X
set credibility-list (replace-item i credibility-list note). ]% e7 k7 U1 M6 R, K
set i (i + 1)! ]. a3 `( U" f# t- T- _* D' k
]
# [9 x/ e6 w- nend
: f' W2 w9 u1 N2 S7 }1 |* ?3 {; ~5 a4 G9 ^( d: O
to update-global-reputation-list' \- K6 [) Z5 M' T5 u9 B
let j 0
* u( _3 L6 F6 \( i8 ^8 p) i5 bwhile[j < people]; Z0 @0 N* R% w: \+ M$ X
[
. `2 _, N; @3 u2 @. clet new 0, n" s! _$ x$ n7 X
;;暂存新的一个全局声誉
3 O. J5 {( w% K, z! o$ L- llet i 0: D, V0 a. P+ b6 t
let sum-money 0
" P; g% C) `& J- ~. ulet credibility-money 0
: _# G7 N Z7 L {6 C! ^4 l$ hwhile [i < people]
% P: T' q1 G* K1 N& v. Y6 q- l4 Y[
0 J& g' f& _& _* O: Y8 U+ Y' V2 ]set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
- F Y; M/ j4 V8 Rset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
) K# y, r3 w2 ~, ]set i (i + 1)' H9 d1 {5 e' \3 `) {
]+ }' C0 {" Q& ^4 }+ i
let k 0) ^7 @4 v* X; g6 @( J' o
let new1 06 _) c/ }0 Y) y/ m! r9 D* S }
while [k < people]
2 v/ p6 ?* N2 W: ^/ B$ m[. F X4 P/ B( \9 \
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)" X1 {% _. V6 y8 `0 _5 I) ?
set k (k + 1)! D6 I. p y2 \+ s" O' j- E. l0 U
]
: }7 ]/ P% K" {4 W! @# Lset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 8 j% y. M* `' P( s
set global-reputation-list (replace-item j global-reputation-list new)
1 R$ k& ?' T2 G% T o6 t* c# j9 J( yset j (j + 1)
' g+ `) b" H& {. ^5 r, m]/ y0 x( Z2 B2 _/ O: x* c: j9 Q# d
end& N5 D, w5 c7 e! O, g0 f2 ]
$ R9 g2 j6 J# o5 B2 K+ w4 p
5 n. K1 C7 n7 f7 J- F& Y- @1 L3 I- |! I* O1 u' v) B3 a
to get-color
" }( B- M- Q; J8 `0 k. _1 ~5 @+ q% t i6 v
set color blue- w0 y( k& Y2 K. H
end! s6 }& j D. b6 E
, @ n4 q4 ]7 ?: U' {$ ?9 q
to poll-class( F, j9 C5 O Y g4 `$ z o/ K
end
8 f" ]# {2 J) ~+ v9 |4 N8 {7 O3 t2 w5 N# J5 t. X
to setup-plot1& i! P, J3 A8 q, H E
0 G2 @# L* D- {) S
set-current-plot "Trends-of-Local-reputation"* y# m4 R8 F+ ], y+ r$ R
1 C7 u. L9 J/ l* mset-plot-x-range 0 xmax# o5 B. F# ]/ i1 O8 \4 _6 a7 |" E) n
' U9 t& |- s1 `9 e, I: q( ?' @set-plot-y-range 0.0 ymax
0 U( A5 t- P- @5 i; K3 O7 {; g% send
6 n: x. Z2 o$ q' i; ^4 R1 s
! {' f3 w v: G! j$ U6 Mto setup-plot2
) q6 ^! M( ] I8 k# |* [. i4 _$ r4 |6 E! K2 g+ O J
set-current-plot "Trends-of-global-reputation"
3 p: d0 r* c) _3 v, s0 w" V8 J4 l; T8 a" U4 j, ^5 R
set-plot-x-range 0 xmax4 m/ K- R( m# k* O. n$ ?8 L
. _6 L( h, G/ _3 w7 _" X, h* O
set-plot-y-range 0.0 ymax# w* _$ K. a$ n/ l5 ^" B
end& O$ O: Y7 |4 l2 t- b
. k6 i" v" h$ ]( _
to setup-plot3
3 i8 Z$ r* O/ P8 m3 m7 w* H8 r+ v
5 P+ J0 _, ^% J' Aset-current-plot "Trends-of-credibility"4 s" c4 \) A; S& S$ U
- X: V5 w7 R _- _# r( ~set-plot-x-range 0 xmax6 s3 o' t3 E+ ~/ [" J/ y
, V% m" ]5 S! W$ o# F) yset-plot-y-range 0.0 ymax; I- b4 r: S0 }3 U! G
end& f8 C: d+ a$ s# M! i( _, A$ i
# s7 h) \/ T) f5 I Xto do-plots7 m/ y/ C+ @; z; ~4 R+ J$ D
set-current-plot "Trends-of-Local-reputation"
P- v# D) Q/ l- hset-current-plot-pen "Honest service"
$ U9 D- u2 a, X% j2 u' Hend+ ]0 i. p3 V0 r8 T" m
" X$ {9 \% A% F2 }5 t' o8 J2 y
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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