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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+ P2 m# x, I; ]- O3 s
globals[6 u* Q1 m. m/ A; d4 A, @# T4 U5 d# B
xmax
1 e5 F0 \7 X" M! l3 rymax
1 y2 ]+ k$ O; [/ [; f8 Zglobal-reputation-list; I" j' z7 Y" k9 B
( F* @% }9 Y8 C0 j0 K8 y6 h2 Y
;;每一个turtle的全局声誉都存在此LIST中
" x7 V) E* {3 V/ p& Jcredibility-list
& z" v A0 @! M) ?6 k;;每一个turtle的评价可信度
9 S- M1 _# R0 ?9 o& Shonest-service
; M9 N d% a* d3 bunhonest-service
+ z- B5 f& M2 o6 P" X0 I6 xoscillation
/ [' l# `- j3 J& {9 Drand-dynamic: n+ Z. L' e' `7 Z. r; H6 n9 T
] d" O' U4 _3 O# B* R/ c9 m: y
! d, k1 r) ~5 M. D* K8 H- Z. M8 Z* f0 x
turtles-own[5 E. T, M% n% P5 B6 W% x
trade-record-all
& o I3 V" Q: D3 P" ~; Q9 c;;a list of lists,由trade-record-one组成
0 h. A" E" n$ ctrade-record-one. p& ~4 l) v& o9 U: F
;;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 a6 o. C+ I2 z; i" D. C; p
7 Z* J3 l1 M0 X* H% g( T
;;[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]]
8 D) ]- z4 T8 ltrade-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]
; J' N$ H+ ^1 K8 d7 {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list1 ~! ~3 K9 G' I5 Y2 I/ l$ x
neighbor-total
" d( w# M8 o0 Q( a4 D;;记录该turtle的邻居节点的数目
& p1 y- @! ]$ [# Z% Gtrade-time& n% t* {7 u3 U( o6 S
;;当前发生交易的turtle的交易时间
8 a0 C- d. Q; \* Q+ X! `appraise-give) Q" \ d+ ^( o0 w w! X
;;当前发生交易时给出的评价
Z7 k+ H) J) ^: v0 dappraise-receive
" i% ~, V& L" |3 M1 F8 B3 o$ B8 f# D, Q;;当前发生交易时收到的评价9 H# u4 |, a3 _) p
appraise-time
$ B+ j. ?. T# A1 B2 U: [: y;;当前发生交易时的评价时间
" I: O3 M" s; \) g$ B0 ~local-reputation-now;;此次交易后相对于对方turtle的局部声誉
! t* J: G+ R9 z' P: }4 N- xtrade-times-total
4 r4 [9 X2 `9 P& ^4 S: p* E! L;;与当前turtle的交易总次数
$ d- j+ l! _# H; g3 rtrade-money-total
% Z/ W& S/ l% N, F8 @; Y;;与当前turtle的交易总金额# p6 d- C$ Q) [) J7 s/ r9 ]6 e! M
local-reputation
4 Z! X8 m/ K7 k0 k; {, {global-reputation
" D! c' i a5 P" o" `$ Hcredibility8 z4 q* l# J/ ^# P) A* F m
;;评价可信度,每次交易后都需要更新 H: v& }8 p$ H+ N2 z, m8 f
credibility-all
4 s8 @: q- ]& G J;;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
% o% m( A: v* A! w- i9 Z2 E! y- n! E+ n6 o1 T4 l2 \
;;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
& s1 j2 ` w) J6 B# m! b O( _credibility-one
8 Z; F( ]. t& ]- t, |$ q' m;;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
, F2 n9 n9 b$ B A8 \global-proportion
# f" a8 C/ g; G' x( D6 kcustomer' o/ d9 L8 L0 L# N" P0 o e
customer-no
8 z' X/ o0 }% Q9 A/ Atrust-ok
1 Q7 V3 n n# d: X; _ Ztrade-record-one-len;;trade-record-one的长度
9 @% v6 `) k5 [+ _]+ E Z2 j# M- [
# \& o* b2 {. A2 d6 k$ \6 w
;;setup procedure
3 H+ l' O( |& C8 V
# h+ B0 n f4 i# ^to setup
$ {/ t5 i1 a% P( }9 ~/ \8 n
2 W2 ?8 E! c8 N% Dca
# f2 y: t. |" e: E5 m* Z6 h
% I& W0 K0 H7 Iinitialize-settings9 j' r4 S( O8 X) k
) y! U5 N8 T7 l0 v. K
crt people [setup-turtles]
3 I5 ]/ U# ]0 x2 o! ]2 K. c
$ G7 F" `! ]! a, c* J! g5 B: C5 U. vreset-timer9 ]6 R" i: m0 J' ]1 D2 M5 q
; s) z* ~3 [7 [0 A+ a- |poll-class' M1 z$ k% N- U7 [ t
& N5 W% b' a# L6 Z: rsetup-plots9 h* e, [+ k+ v( o- [( [
: P$ w; M3 V7 r( I4 d9 T
do-plots
& y F I+ @8 j' ]end/ _ I, R& A$ j6 a- w) F( z
8 V$ o; B" J% F5 Wto initialize-settings
8 \( M/ S" {9 t% h: O4 n
8 e# e1 {/ p" Kset global-reputation-list []6 o( n. J9 s# o- Y
! S( V3 O1 I' Z* ]" t) kset credibility-list n-values people [0.5]
k& Y9 g. z$ T- N, w
4 I, w7 w- z R5 z# q0 |; F% wset honest-service 06 I9 y, k C7 N7 l& R4 h
: P) |6 B+ v$ Tset unhonest-service 0 W9 R0 J' X: f8 w2 o) k
: ^1 ^0 o# L8 Aset oscillation 0: i5 |9 B8 s( I% K$ N, V
( J% I- P# p! _; l" n- a( i
set rand-dynamic 0
! G6 s3 _7 E% a4 o `, h+ Hend
0 ~5 u- t3 @* b! n# U4 _; a j- f4 r
8 o' n; ^ r5 h# F9 ?2 w) b( W5 Z$ vto setup-turtles
: S" g, l* g! v- B3 H2 D( n. N: Rset shape "person"
/ n3 s% U; L# x( ^setxy random-xcor random-ycor1 {- k- M- J0 f3 R/ Y
set trade-record-one []
$ w' i! O z. `9 m* `: w* Y. S7 x" H, e; Y, F
set trade-record-all n-values people [(list (? + 1) 0 0)] `% C! o' f$ ]% q/ \
% h- i' f% ?6 U* m( v
set trade-record-current []
( s, |$ f8 L- H6 `8 q4 fset credibility-receive []; o0 M; M1 W+ ]4 x1 J, P! t
set local-reputation 0.5% y9 F; Y% M. ]$ G9 c4 r: S
set neighbor-total 0" k$ O! R# w7 Z6 V
set trade-times-total 03 I u4 U. t5 Z; ^3 G$ c2 A* h6 X
set trade-money-total 0# x# d- I, t/ v) ]. u
set customer nobody+ e' n3 K/ [; i# {" d, N- Q
set credibility-all n-values people [creat-credibility], b) d5 {( k6 k" U# f
set credibility n-values people [-1]
% D. ?0 b; m; c- Sget-color
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end: _# u2 e$ {) L' M
( \8 ^, a) n* r5 c j }& o bto-report creat-credibility/ F5 {# a& A8 d# F; r, F5 F6 q9 K& c
report n-values people [0.5]
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; G! X3 p" F _# l; ~( l7 [! Z9 k6 F
to setup-plots
% H9 T$ ^5 d) l- u7 {# [4 Z
3 ^: Z/ k' C: K' f4 ?- r% \set xmax 30& x# w; x4 [0 Y9 J5 e
2 Y, X, T; e, @2 [ I/ e7 Wset ymax 1.0+ `0 V0 T. H7 f3 S8 P8 K& t
/ F& ^& J$ n" `+ l" z. Q; Bclear-all-plots
) j, H5 v0 x% m r
# L6 u3 L' U' I3 {) a' I0 F# y0 Bsetup-plot1# E, X U4 h# n4 B+ [
, a( d" Y) V) c2 Y6 jsetup-plot2
# Y6 g1 E. O- R- G+ J1 ?$ W( }0 N5 ?" z' T9 X8 w8 f
setup-plot3
# t3 Y- O0 p5 C( Kend) ^& z. u/ l0 `! f# u
/ Y2 s; W1 w; T1 r5 i2 c% |5 k; `2 p
;;run time procedures* F1 z* t5 i( N) {2 d. D4 D
6 G; t: D5 c1 I6 _# n6 B/ A" Cto go
8 ?0 a' e( V4 d5 M: n2 n/ w( R; {5 d |$ s2 E4 y. o/ b
ask turtles [do-business]
1 d1 q; D# m) N% {end# E' s/ I) @2 B0 X, ^! s7 t, J9 ~6 w' ~
% M9 u1 \+ g |3 S4 g7 \
to do-business 6 U: w3 H- ^! ^, J% g
" i2 `: d5 y; N; r* F. c7 J2 R) g. l2 B
rt random 360
: s' N* C0 i# S3 m8 i, c# f5 o* N' H/ |) F
fd 1
3 S( t1 s0 w/ `1 U/ a* ?/ ?, |2 {7 ^' i/ \+ z2 ~
ifelse(other turtles-here != nobody)[4 S2 d* D% {& @) n7 L$ g% X4 ]
! B2 s9 ~1 l8 j% u+ f; _set customer one-of other turtles-here2 B7 c u& @. g) x
9 d: [0 ^) j* `, T: D# F a! s
;; set [customer] of customer myself
# {0 A6 i* M. E1 a e( X- T
# l% G5 e) `7 Z- pset [trade-record-one] of self item (([who] of customer) - 1)
! t/ w \/ U* G, g, v; q4 J4 u, N[trade-record-all]of self
4 a4 C0 h3 o( @" g" {$ a+ n9 M* @9 y;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
% s- L* u, Q9 \. g: ^
3 i8 A& q* t/ l2 @7 y& X) e* zset [trade-record-one] of customer item (([who] of self) - 1)# f7 N; M' ~" c9 M4 B ]
[trade-record-all]of customer2 j. |4 g* Q. m- G8 r9 m J
' @' A: q! C/ u( Pset [trade-record-one-len] of self length [trade-record-one] of self4 b0 y& e3 |& E- a
6 E' G! \. ]% J! w% a0 g
set trade-record-current( list (timer) (random money-upper-limit))0 O) h3 ~2 L, y' b, m
- U, G7 [6 d! Aask self [do-trust]
# M0 P4 e# J0 x" B! n;;先求i对j的信任度
9 {' Y; q: h8 o' v- `6 t _ ~' _8 M2 H0 L8 D
if ([trust-ok] of self)& K9 Q$ D! L. g% \+ T6 K+ U7 n
;;根据i对j的信任度来决定是否与j进行交易[
: B# [% d; G+ ~! l7 i' }: Wask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
1 i3 y) z. w0 `
! u! i" A1 j% d7 D/ Q[
( k4 p' \ O4 h7 B$ b+ ` w! D, E: _/ J, p& a+ B% B1 s& I' m
do-trade& V+ C. D' i" V2 r
, ^0 U) O1 m0 P1 [0 aupdate-credibility-ijl# @9 ^+ q+ ]- x# _! b& \: z. u
+ X# [- f& n$ C6 V8 L/ P
update-credibility-list
! [$ j3 S/ @# `9 }1 B2 R: ~$ q( m% f! O
, v; [( v5 h: c5 W( Q' w
, @: O. k1 N% I1 gupdate-global-reputation-list
* s5 _" | i1 k
2 n8 u: K. U9 U- W3 G" S/ apoll-class
% _5 j# P; \1 c+ r) P
3 d: ?" `' x& h& {% Iget-color& e+ e/ [3 S& x" F1 e, K4 K
+ q8 ~! S5 I' s$ U
]]+ w2 x% y& T' ~* d# c H
0 [) X# ^3 O( e3 v/ E1 E, P;;如果所得的信任度满足条件,则进行交易: N9 b( y8 z) Y% A
7 R a/ f; Z# E: M8 q6 d1 w
[9 w+ \! V3 i* U* S+ J3 w; Z$ T
# |* G) u4 b ^3 I. ^0 }
rt random 360
6 O7 d* K. G% m
' ^3 D+ v, |: l7 v& {7 ~fd 13 W& E! n: r+ `6 M4 L/ [- W
- B6 s2 C' z- a2 V
]3 d- L! r" q2 W8 K
/ T+ T* H" H' ]: m! K' k. Yend
: k) H% [' ~+ V6 G5 s$ K
: M9 [ X: Y8 i7 w$ U3 eto do-trust
9 \, ?* }" f+ M2 \2 r% k6 xset trust-ok False5 T! d9 O: J2 {, m- X; t |7 T
) n: V: f5 J1 w S! g
* v- l E# A y$ j/ Z/ h
let max-trade-times 0
. i* H6 X: Q5 G/ h7 G1 G2 R+ `) p4 uforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]- K8 w0 z5 W2 Q' ]
let max-trade-money 0
! ^' q$ U6 \9 j4 G6 Y# \foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
9 Q: M- @* A0 j# Zlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
& z q) e6 h' q3 ^
$ w, y T) W2 z6 r7 d k3 q( M) G6 D4 T& R
get-global-proportion/ |2 G1 P2 R M7 U! K0 _2 O4 s
let trust-value& k( h- _/ g, T+ r/ Q0 K
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)
9 h: {5 x/ p0 u& ^. `6 Bif(trust-value > trade-trust-value)
7 S% A6 y2 R* s; O% s% Z[set trust-ok true]
) d9 E; j6 _* N+ i; a( b) Zend# S# D# h& K. K$ y! D
( l# v; q1 z1 k7 _* D1 C' z
to get-global-proportion2 V, e* r8 j' g
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)1 S" T$ [* ], \# {6 J0 _
[set global-proportion 0]
6 S; f! i% R. t8 }8 x! p8 A[let i 0
9 N6 F& \% Y, t' o/ W7 }$ olet sum-money 0
" Y4 O v! Q+ mwhile[ i < people]6 l! d' v/ o! O) ~4 S
[
* X( S. U3 x0 Z, j& ~if( length (item i) [% T* Z+ \" {3 T+ y. |
[trade-record-all] of customer) > 3 )
" L; G2 C3 V8 D9 ^4 M4 H5 [1 f6 A[* _. j. o* Z; K
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
[' Q, }. s/ y8 K4 B& D% l M% W]
* Q w# ]# ]8 \2 u: u9 s, X, C]
6 C5 `& _' v2 hlet j 00 E9 | ^- m! L0 s* C0 i
let note 0( G2 e; Z d, E1 D. e9 ] F! ^* M
while[ j < people]0 v0 e/ G8 j9 i- d' K+ S
[2 t6 N" H0 N8 m+ @1 M" e
if( length (item i K& j4 q$ K" r& b/ t/ O- X
[trade-record-all] of customer) > 3 )' ^( U; P5 O& ?6 V
[! y. \. d% `6 X1 G3 E# v
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
0 u( |! h! R& v* M9 a9 q' Q3 i[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
, l2 {# a7 Y- C9 W" i5 q: k: E- c$ B[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]9 N) j2 m- C- p0 \
]
, [" }2 N/ {) v, O* Z. k; a3 K, `]6 h* x$ Q' E$ l- A( B* Y
set global-proportion note3 a+ X, m7 w( _3 Z
]! s0 Y- d5 a' p" Z |2 [
end
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to do-trade0 y! N2 S8 W! P8 q6 z
;;这个过程实际上是给双方作出评价的过程
# Y3 f. J b* ]- o% y6 aset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价. A! G, M3 K. B4 [! t
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价6 ]9 [- _* H- i+ z/ T
set trade-record-current lput(timer) trade-record-current
. _ C% U3 {* J;;评价时间1 F; p l7 e+ A7 Y
ask myself [
6 T3 g5 i1 H$ z5 p5 @update-local-reputation& J2 ^; V' w' {( u8 ]
set trade-record-current lput([local-reputation] of myself) trade-record-current- z4 {$ k/ r( l! R9 K) G( t
]
* N$ H) _+ U: n+ B( \set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
( U, e+ N7 ~9 g* o1 H+ h, a5 D, N# K;;将此次交易的记录加入到trade-record-one中
/ ?5 K1 L K, }5 ~1 n% G9 |set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)3 }! m7 u0 _6 b
let note (item 2 trade-record-current )# o. q: N& D. Z/ E; S) y7 E
set trade-record-current+ f$ b' c S/ g. D. w& b
(replace-item 2 trade-record-current (item 3 trade-record-current))$ }% U$ ~2 H' q( R2 n$ m
set trade-record-current4 P9 s0 E" H; {1 W
(replace-item 3 trade-record-current note)( v, X+ b) U& T9 R. u4 ]
5 v; N8 g- i2 T$ X7 g
! M7 e- [4 R# d! P- \' p9 [ask customer [
" t0 d, \, T& B: R0 Aupdate-local-reputation% z+ J) h) A, @! y- H' S x
set trade-record-current; b1 t# e( ]2 D
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : o- R) {6 y' g; {5 S
]; T+ P' \' N! a' l
. I8 S# t# d/ |( o# h' L
+ Y. `! y$ R' R/ L, E) Lset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer& X2 _0 E9 P( j* t ]
( O7 }/ [4 h k" `" D1 J q% E
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
* m( z9 M2 R$ F) @;;将此次交易的记录加入到customer的trade-record-all中
; c' f2 H) L* B [end! `. q% u9 m; |8 ]$ F
/ O4 T4 H) V( gto update-local-reputation
/ A0 n/ ?5 j) i0 e0 Fset [trade-record-one-len] of myself length [trade-record-one] of myself) X7 `% r3 E1 ^$ y; ?4 u1 k( d
0 o( B1 X* _- F& X: g w* F8 A" I; H* ~
;;if [trade-record-one-len] of myself > 3 7 l' Q/ R1 l# j6 T, \
update-neighbor-total
9 P% s3 b1 ?8 v7 l7 v;;更新邻居节点的数目,在此进行( z/ U8 Z' Z+ C1 w K4 X" z' v! Z
let i 3
$ E' [1 Z7 {* W$ @0 g, plet sum-time 0
! T, C0 R3 b/ N' wwhile[i < [trade-record-one-len] of myself]& u7 j g" h2 z8 B% [8 `
[
3 M3 t8 ?: c9 C2 b& t0 v) wset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 o; d5 R( R7 d7 M7 Hset i
- U( R1 i2 u% V, Z. o( i + 1)5 [: |. ~& r0 s+ w5 L* p
]
4 W- \+ x8 v3 \8 b& Q: e8 ylet j 37 |$ y3 G. N6 T3 q$ r( T/ F1 p( e
let sum-money 0/ R& t$ B5 @# \1 z
while[j < [trade-record-one-len] of myself]
. h; |( ~2 h4 c( d[
0 A; n! o6 b, g9 }* i: y3 bset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)' a" T G' s4 m, C" u- k E
set j
% s6 S3 T! p) i6 b( j + 1)
7 c2 ` z/ {" [1 y) X( S]
0 @- A4 g& `- x; R5 xlet k 3/ d1 Q1 t, {! I6 e" k \% ^0 U
let power 0* E5 |* i3 F6 v/ x+ `) u
let local 0
; Q5 v6 {) f( pwhile [k <[trade-record-one-len] of myself]
$ _6 E1 t g8 q6 y& f[
* }6 V8 A5 k* |6 D+ ]6 T1 X4 O& Lset 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)
- a; F: e' w3 ^+ ^3 o" C+ q# S' O( }set k (k + 1)# R5 l3 x, d1 b: x) ^, A$ p0 X0 z% j
]2 d/ Y0 m3 {: H# G
set [local-reputation] of myself (local)
* Z8 s9 i: g: ]0 H5 Bend( F" N4 I7 y' V+ Z
) I0 i7 |3 Z h: P. h# p( X) sto update-neighbor-total$ s. Y0 T+ l# w$ k. v
; m. V8 k3 r x' I+ g
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
$ ]: e% [. N. u2 d8 Y$ j, N! R* H) K5 ` t
1 D2 x7 B( ], Iend
7 @# A9 W! K6 h8 r
* M& } ~% _/ f4 @+ D2 @4 _to update-credibility-ijl . Z/ B4 j1 y6 x' C
( j% b" m( w3 I' s. g
;;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 f; J% Q( I4 A& q
let l 0
. Y- d$ b; W( Hwhile[ l < people ]- j+ }+ ~: d2 [; K7 S- d- Y1 N4 G
;;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
7 X6 ? f1 Q8 m7 Y3 l( ]( I[
! k4 }; K6 H) b& t+ d2 |let trade-record-one-j-l-len length item l ([trade-record-all] of customer)( n4 u( E i- n- K! N/ N
if (trade-record-one-j-l-len > 3), _* U5 Z3 U1 R6 T- r: 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
# P% M& Q/ r7 D. T2 Y$ S$ K3 Qlet i 3" L% m5 e" L' @5 X9 ^$ d; J4 ^
let sum-time 01 E" u& b+ H) x& {$ O
while[i < trade-record-one-len]
7 k3 I% A0 O: X) F# K[
0 Z3 [5 a5 t. L$ f- I7 I( p; @set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )+ i8 }" Q6 V; c2 G* F+ }9 W
set i
8 {& ?, z- i) n# g8 C( i + 1)
9 ]& H4 U' w2 }& @4 t: k# N]
! J. C( e( i% K/ I' Q! R( H7 B0 e2 ]let credibility-i-j-l 0/ r5 i; ?2 v0 j; ]- p2 u
;;i评价(j对jl的评价)
/ a7 d3 D! T% F8 n* glet j 3
6 ^" Y h# ?" |2 @3 Y3 y3 Elet k 49 N3 k1 H6 r; t( k% ]
while[j < trade-record-one-len]
. [' Q% v% l0 f! {& @8 q+ n[
2 m6 u6 A- w# o0 S! ^* b& k' Mwhile [((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 e1 |3 E! k: a8 Y6 E0 U! X1 y5 W$ E
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) a( @# `' \3 x$ A% o3 E: b
set j* e3 @: {4 R' Q8 u
( j + 1)6 M' y/ P* n8 K- \
]; D& K" G* Y; Z4 U9 m
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 T2 U' i: n) k2 L+ [5 u; ^1 \7 b' r+ f1 M
4 N/ s4 g* R, g- _$ ulet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))3 y# i! _1 B5 M# o; [
;;及时更新i对l的评价质量的评价
6 k& `; G5 b9 l- U W4 u# q6 yset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
3 P1 H2 Q% S. ~" X/ Vset l (l + 1)
" {9 ~ H; q- c, n t4 b]
5 {! N1 E b' ]6 S. Oend
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to update-credibility-list2 @: w# H3 P% r9 e$ R9 c" m" D
let i 0& B. x! f! | o. {/ k3 Y
while[i < people]3 _6 c' I+ j4 C( O
[/ w$ A) y+ T1 J1 X0 N$ }$ p
let j 0
/ u9 v! D V' Glet note 0
/ d& {/ f3 e+ m9 A( ~let k 0+ H# B( k$ ?8 s, y
;;计作出过评价的邻居节点的数目
" ~1 o7 F$ f& u4 o; Z5 J& twhile[j < people]
5 E% ?8 R# |4 W: @& e+ y9 K6 S[) Z+ B. v* _; q+ c$ ]
if (item j( [credibility] of turtle (i + 1)) != -1). d, k& K: h' [0 g1 j2 k b- I& D8 n
;;判断是否给本turtle的评价质量做出过评价的节点/ S5 ~: P4 X' ?5 T( r" T
[set note (note + item j ([credibility]of turtle (i + 1)))* t0 [! q0 I* m! M
;;*(exp (-(people - 2)))/(people - 2))], V* O" j" x: t4 t
set k (k + 1)5 G+ ?4 g, s/ {; U' x
]
. a8 L l( r% |* Bset j (j + 1)2 L' o2 [4 P( z
]' j5 R9 o6 q3 H3 d
set note (note *(exp (- (1 / k)))/ k)
- g& N( N- r4 m; v9 f2 A3 E7 gset credibility-list (replace-item i credibility-list note)/ L" l4 }9 H: g2 N' }% S$ P* {
set i (i + 1)5 ^. H! a. h9 \" P: O
]
/ f3 c! L" H. b3 ^# zend
- R: `7 U$ w5 r* Y2 { w$ ~8 Q }4 q8 Z& Y; e" T( d ], u
to update-global-reputation-list5 q) _: o! H& L$ B! f7 Z; g' ^
let j 0
6 y) W/ x+ }! n7 uwhile[j < people]: ^- b5 Y- h1 }0 D1 T1 a: Q1 r
[4 V x9 q# |8 ]# D: v6 g
let new 0, ^2 a9 H' b2 V. s3 @
;;暂存新的一个全局声誉
" M$ `+ N% F5 m# g" Y( G" P4 O ~8 Flet i 0- M) B4 N5 r; i
let sum-money 0- _3 `3 h6 J( x$ y
let credibility-money 0/ u# n6 H/ t- ~# |
while [i < people]
! S7 L' F7 b+ I. Y: _[' e! \, { |$ O6 b
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
( G$ T& e9 t0 B* C7 E% |set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
, c. t; [# p9 ]% |- L" z2 Vset i (i + 1)4 t# T5 L! Q+ I2 M) \. H, I! q, ]
]& d1 r0 V% C1 H1 ^! z5 ^/ M4 X9 R& g
let k 0
X- G9 h' A }1 `! p1 l: Ylet new1 0( j; J( d ?' }
while [k < people]$ F' j2 J0 M$ |5 z9 q1 U7 q8 l7 {
[
- S0 Y% ~1 A9 y; aset 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 r# I0 \# p% x z2 H/ \+ k+ C' Wset k (k + 1)
7 ?: j7 M: e7 b! b+ }/ z: X]
$ A+ H* X; T3 } }1 J$ J$ u* eset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
0 _, s6 }/ N* \4 ?set global-reputation-list (replace-item j global-reputation-list new)) s2 \/ B& f- v8 U, y. p5 ~5 S
set j (j + 1)) p* R( b: H# i8 {: ^4 v
], q& v9 M. K. I. I
end: B! _' P# H, X
% x m! \( S) @. R" s+ m) K
+ x; ~! u* d: b$ @; ]4 @
, F9 G+ k" f/ Z! U- oto get-color
- P4 C4 S R0 _6 D- S% g6 t% `9 \3 s4 T
set color blue2 s, h( R1 ] I$ ?9 j1 O7 P6 p
end& Q, |6 P i' a# }
- t, s: u. c1 L6 v. m$ p
to poll-class
& Y7 w/ ?; ?2 I& X. o6 x0 h) send
; K6 q# j1 ~/ I, f) v+ f
- A. _2 d! Q; E: x! ?$ \& C3 r* o4 Z. Dto setup-plot1: o9 X2 P) A5 v
3 {" j( ]9 x$ e* W E6 e* |
set-current-plot "Trends-of-Local-reputation"
a. x& n1 t9 U
. G6 T: R0 x4 z# Z0 T nset-plot-x-range 0 xmax* p6 s7 H5 r" i% Q, u# m
& W+ u4 J$ W3 x4 T9 I1 q- V& |
set-plot-y-range 0.0 ymax: B; B2 X% I3 ]3 y. K
end/ X' Q2 c. S- Q! G& y0 a
7 Z: S' i' I2 K
to setup-plot27 S# E0 {* |: q1 N8 o* V) @
% M/ \. _2 s) Q
set-current-plot "Trends-of-global-reputation"
( ]2 ~% ]1 X% `/ _! h7 X! u* }7 Y* A7 G
set-plot-x-range 0 xmax
' p. f9 ^3 o# r7 \: T7 E A+ b
& J$ t/ n/ H. o9 n2 Zset-plot-y-range 0.0 ymax3 e2 R3 \8 J3 c" D: K
end
- n# s! u4 r7 J1 m z* y4 j( V/ @& w# m% W- L; a4 T1 }
to setup-plot34 g6 P1 B5 D! o1 i" F
4 q% ?. h3 h" Q4 q4 `3 D
set-current-plot "Trends-of-credibility"
* t% j3 [7 n9 u) D, E, Z: w
5 `* i6 _! q, t0 p4 `7 m% vset-plot-x-range 0 xmax
+ S$ ^+ n! r1 e7 I& i
4 X/ n0 _0 M+ t! y" z! Xset-plot-y-range 0.0 ymax4 {4 n1 D& Q2 t3 _7 Z7 D( w
end
: Z, Z+ [! {( W6 ]: q. A' y/ L& O; H2 M/ `1 |4 @: ?
to do-plots
$ ^2 B% h2 {% `3 [- Uset-current-plot "Trends-of-Local-reputation"
0 T7 ^" F6 Z: [5 h& bset-current-plot-pen "Honest service"
( Z# k( U9 @/ s; R) q/ Vend
' T6 a' ]+ {) A# {: b, A2 z3 W% [- T! g0 Y% `" z
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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