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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, O# w4 p; [% h9 `; ?5 \$ r
globals[
* n2 p9 e3 D9 Mxmax, S, @4 Z0 \' e; J
ymax; A$ X, N& I) T: C& v; r) Z
global-reputation-list
! i; \& _" G9 u8 p7 C/ W) v8 p" Y' Z8 E
;;每一个turtle的全局声誉都存在此LIST中
4 a2 h+ e4 g3 h {0 H zcredibility-list* o& e; r( Q5 K/ d
;;每一个turtle的评价可信度' {4 X/ h) K% |; X: Q3 s
honest-service Q) `; Q( s$ ~3 R* @& _( ^
unhonest-service
$ i2 K7 q! z# F) b( `oscillation! h5 `, @4 ^9 H& Z. p) C8 N
rand-dynamic
8 f( K. d+ |( L' @]
* }- c1 _. P% Q! Q/ G% f4 `& V# H- ]( v: e+ L: b' C. V6 r( f# Q
turtles-own[* N; {: s* }5 h+ E
trade-record-all. J" D K: O3 d
;;a list of lists,由trade-record-one组成
3 `$ k$ }7 @% t. Q/ l5 t" C+ Ttrade-record-one. T. g) G) h7 O4 W7 p/ f5 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
& f: _2 o+ Z$ {6 y6 C$ U8 r# E( B u5 I" p4 v7 t( d% k
;;[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]]
5 q9 y# q! `( m: o- W' }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 Y- m' m2 v( c v0 C- G
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list( w& q/ l. M% I2 Q
neighbor-total
, v5 N$ {8 q. ~( B, @* m;;记录该turtle的邻居节点的数目# M& f# h& [# S4 q9 N
trade-time" F; I" e6 e8 C, m3 o$ C4 M# s
;;当前发生交易的turtle的交易时间2 u/ c1 y* D$ o6 E) g4 J! B; p
appraise-give( b% r7 S6 @9 C+ Y5 y3 s {: k* S
;;当前发生交易时给出的评价
6 y, W! w3 U4 k2 {# Yappraise-receive
# t3 J/ e s! X) W4 ^;;当前发生交易时收到的评价' q6 ]7 G* W' r
appraise-time) c: E6 E! S7 F, e% ~2 }$ b
;;当前发生交易时的评价时间9 w& K5 h. y3 n2 k8 A
local-reputation-now;;此次交易后相对于对方turtle的局部声誉4 n Q6 L7 o. _; b0 \3 `
trade-times-total
$ E. v' _8 K. o% c;;与当前turtle的交易总次数
. D$ |. t) w$ h5 ]. l# B' P7 strade-money-total
1 J8 B2 A% H% l, d, w. n1 Q;;与当前turtle的交易总金额
7 I& f( }! t1 q, y6 w) Mlocal-reputation* t2 S0 O) |+ f! ?' f; L; n
global-reputation
, A3 [: b8 e- Q2 j4 O2 d% Q* Dcredibility! s* |: E" L7 b
;;评价可信度,每次交易后都需要更新
- h. k+ c% c1 z o/ Zcredibility-all
: w$ u" c* X1 O* C;;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
. e# G& H8 u1 V7 M3 M3 H6 d, O1 S) S3 z- K
;;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
; r. q t) B+ F: l- J: Q8 \credibility-one3 j0 q2 _8 A- \' y4 b$ O$ ?
;;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- A# ^" }! S: D c
global-proportion
- G! x7 O* E3 f: T9 lcustomer: b- V# z1 H! Q4 v
customer-no
% H/ U2 `( g3 Z+ m" w) ltrust-ok
- J' ~: f( U4 ~ [" ?trade-record-one-len;;trade-record-one的长度
2 E& B2 I2 l# H6 g]. W' W9 }- h' a- n& t, V) U
+ O% x8 s% x" B# B; i, i z: q
;;setup procedure: }5 a* h7 U" Y: i
( |# X9 \ @3 ^4 ^
to setup7 f5 _7 }6 b7 E# r
. C4 x0 D8 L7 }# ^) U' C, ?' {ca
7 ?& b" c; j1 r* `) a1 i$ [' |9 [7 p9 v! i6 Z' a, r) x
initialize-settings. j" m4 Y; f( f$ T- n2 ]' i
9 V% k9 f: N$ H: ncrt people [setup-turtles]4 I8 ]! [1 T: X" ?7 S. V9 u% n# H
R1 Y3 H7 T! H+ w5 Z2 T8 ]0 [! E
reset-timer' _9 ?6 m7 w# O, _0 h' H
8 c A4 Q0 G( {+ G+ ?
poll-class
! ]+ s: `' a: u8 M9 R9 M
( z7 V9 V2 A9 m) ?6 usetup-plots
K& T& w: o5 n, P) \( ~( n/ n1 e8 b1 r) {
do-plots
+ C4 j& X6 `" O% S+ d; N* X/ Z( hend
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# `& m( n3 R: Q; p# U# Mto initialize-settings
m4 W) O0 h8 s9 |
) H$ t- L4 R3 e( i, F; u$ qset global-reputation-list []
1 T |5 P0 h) C' m; Q( f* V3 n# E; w, E/ c3 ~
set credibility-list n-values people [0.5]3 Q$ |1 c5 k. k4 o6 `3 x# X8 b
1 c+ a8 @( {$ y( p, R! j9 i
set honest-service 0; S$ u. n+ D* n2 b9 n7 w
% A) D8 o( A$ E
set unhonest-service 0
6 z" `, f! n4 Y7 {/ G& Y' [
, I; Z) k$ e. L7 K# s6 A& y# g1 hset oscillation 0
, j* c; p H) w! }! b% z( M8 g4 f& g
set rand-dynamic 0
: Y1 J4 a7 S5 L8 d% }. m8 send
9 W3 m5 G' ~4 W4 R9 q; v/ _9 d( D6 y4 G# j
to setup-turtles
D, h6 s9 J& B1 s( h- E: hset shape "person"
, V) ~: A2 T1 B0 H" \7 Rsetxy random-xcor random-ycor0 g2 o4 \; h1 ]0 N: l% ^
set trade-record-one []" `, Y$ q" v( u9 T! C
% U3 y. C$ A# E8 |set trade-record-all n-values people [(list (? + 1) 0 0)]
: d c. Y, d. @5 Y, n. [9 Z+ L0 B; `& h
set trade-record-current []3 [' y! |, X' I/ ?+ A5 D7 K1 C
set credibility-receive []
+ ~' l1 e O; Bset local-reputation 0.5. [. ^5 `4 Y) k# n, H
set neighbor-total 0
4 X* y) {: f% ^3 q& G+ Aset trade-times-total 0
1 V% E7 l9 e1 Zset trade-money-total 0
& e9 w% b+ x Kset customer nobody
- W0 a; t2 y9 eset credibility-all n-values people [creat-credibility]& U/ \) V% ], k+ k3 z( d9 Z; P
set credibility n-values people [-1]" u c, w" u# @2 x
get-color* g% `0 v. I* S
0 d. R) Q7 i- E, @6 j, D& Dend6 H. T( Y0 _" k( \
+ j# U; R! M( d2 E* y9 [" f+ C* E, |to-report creat-credibility* E, M$ v9 _9 I% }5 {: X
report n-values people [0.5]
5 M% o' e" r$ q x* b Eend
! |5 |$ h5 r% k; @& J
4 m$ x d0 k1 L0 Jto setup-plots
) m r2 I4 }: r1 O. o2 \& l, ?) N- h0 C; @
set xmax 30
7 \8 p& L" W, W* l
6 L' k% y n2 y9 y0 U9 V& _set ymax 1.0( r4 C: q/ f9 S4 n
! J; \8 s7 o- J$ Z8 H. E4 Oclear-all-plots- i1 r! L( P, c$ c7 l
, ^, Y0 n. H; r; O0 Jsetup-plot13 P- N( | ^- P' z# j- E( S( }5 g
7 F. {) H8 Q* y
setup-plot2
/ N) J: S: E |
; A/ u& `: {& X+ ]( Gsetup-plot3( o; c- d0 h0 O" e9 A- O
end. ]8 |; d% O' }3 A' [% F2 ]
; S9 v$ k) G* J8 t/ I
;;run time procedures
3 o/ [4 G. D; \- c; t* W! G& {- p4 `3 j+ K& H
to go
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2 x# E) m# f; rask turtles [do-business]
* S1 w B6 Z5 {- z: \9 p* f* k5 R: M" V# bend( j8 y! ?2 f6 `- @7 @$ b/ n
" w( ~: `( i% S0 Y$ q4 I( ^to do-business
. z# J) h4 C- Z8 P) ~2 R% T% N! b. V# g
1 H6 V2 S2 s+ |3 G, A7 c& ~ Mrt random 360) s6 t$ X1 b$ I; f+ V( Y
* n1 }5 w) C+ \& u) R$ @8 O
fd 1/ _6 @* v e3 W
. `- R" p% z7 P/ A7 [
ifelse(other turtles-here != nobody)[& i" u2 r. {0 z* P8 X
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set customer one-of other turtles-here
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8 }4 n7 ]- s3 ?: Q;; set [customer] of customer myself3 d$ N' {6 ^3 V: V$ [1 V+ ?; _
9 a; m: s: V) V$ q
set [trade-record-one] of self item (([who] of customer) - 1)+ u$ l7 F! a: ]0 [: D& \
[trade-record-all]of self
9 c+ H8 v& \3 U* {; u1 J; e;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
~ y4 o' O+ W4 S
6 [ p! H2 C$ B" [ nset [trade-record-one] of customer item (([who] of self) - 1) B( ~9 L3 y& L; Y& L |0 K; E
[trade-record-all]of customer# h) w H( w0 u' t0 _1 \! Y
& X' q8 M; H' hset [trade-record-one-len] of self length [trade-record-one] of self
+ t" S. m8 L% o7 x+ ^: Y" X0 L4 {) Q
set trade-record-current( list (timer) (random money-upper-limit))
) \9 B" \* N) |9 O z0 ]# Y0 G+ T$ Z5 v+ w8 x
ask self [do-trust]& c6 S3 [8 Q" [, V, S; m
;;先求i对j的信任度1 _+ ^* J- Y/ y6 l, [5 g
, I, J# S- l. | o2 e1 e& ~# Aif ([trust-ok] of self)7 J$ L0 T9 j) u: D1 D8 F
;;根据i对j的信任度来决定是否与j进行交易[* V1 P. ~1 V) M. U
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself9 a, J8 N3 `" V' T" Y+ U
+ x1 n* @8 Z0 M' j: C7 d
[
" `( q- T, w! S4 v( @; m6 a% V
* }4 n- _+ Y7 u- jdo-trade
2 @9 b. a9 ?% c( D! E6 m+ I* [0 f. ^; e
update-credibility-ijl! E& \! s! P! d* \9 {# E2 ~
, Z6 h! I3 ]3 t0 d6 U. A9 N9 X/ I
update-credibility-list* U3 R0 q, X% O" }0 t# ^
) g9 ]3 w7 M, b# x. q9 W
2 `2 m$ x2 O2 V2 l0 o4 Qupdate-global-reputation-list: I. c, a0 A$ {7 q6 _1 x
6 C/ H( {! i2 J, R2 {
poll-class
: p6 U* R$ m Q. X) w! v' G: u- S! V
get-color
3 A$ v4 j/ r9 {) c
: Z' p/ W: C' R( b% j: K]]: [4 Y5 M, V2 R* g% X' A. P
! `- e v, K* N Z
;;如果所得的信任度满足条件,则进行交易
6 p: k0 |7 w, B* ^2 [9 f# e# B0 \
0 t4 W- }. B( {+ o+ h6 c' H e[
9 u2 C4 A2 r7 ?4 ]7 W" ~1 w9 h
3 Z! i9 Z- e1 wrt random 360: a% ~% m4 I; w% Z$ I! a
5 c' R; L3 R! L& |fd 18 ^& ]. d+ x% ^; x
4 ^- a5 w( A' U- M4 T. r7 O]/ ^" b' d' B! o* P. X6 x
# ~" V' l+ Z' g1 _) fend. G5 o$ ~3 {" U& Z& F
B. \- z& Z- g# X
to do-trust
) @7 G- l. S! Q" `( ^- @5 O3 T# Nset trust-ok False
# G2 {4 o. n0 c8 B2 S4 D- M2 p( p9 [: C# s* I+ N& t
- P3 k- k- p5 U8 c: k& [% E, Zlet max-trade-times 0
e8 ?- _ k/ Y- D, p3 Aforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]" Q3 r5 N1 m5 \/ d9 k2 i
let max-trade-money 03 u9 {- f. a$ `6 r2 R$ N2 l" z
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]: h6 R2 `/ w: f$ t. S! ~/ n( W
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
+ X7 A$ i7 u1 Y7 V8 Y5 _( P$ |
& o* {& E8 y+ k$ p/ w1 N6 W7 U# c- [5 E/ A" P& `% P
get-global-proportion
; W, H% D6 j1 _% a7 T8 ?' flet trust-value( W B6 U% s# L2 c- K' ?3 N
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)! F1 q+ ]3 J: l- @8 X m: Z1 j
if(trust-value > trade-trust-value), x2 s5 n2 \" P# l5 F( J. \* X
[set trust-ok true]
9 _) ^# G( |" A' Y6 Wend# R/ H7 Y0 X2 |/ F7 @4 m
( N w; D: E2 J* i/ Bto get-global-proportion
0 S3 ]/ d8 t2 O2 {& hifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)% k! L+ G' @$ \1 F0 Y7 M3 ^
[set global-proportion 0]2 Y/ P3 c" j; D+ H6 b
[let i 00 T# E1 }3 R& G& g3 g$ G; b R5 S
let sum-money 01 ~3 r. n. {" h+ M, D4 H, } S. p
while[ i < people]5 F; _ V+ J, k# B4 ^
[
" T t$ {1 C0 d/ N' R$ @* qif( length (item i
+ d; ]* t7 k. C+ S! L2 i[trade-record-all] of customer) > 3 ); \3 Q2 J" Q6 b* I
[9 z& I% i2 o6 a, _! Y$ J+ V
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))/ T" D8 Y( r; A$ B7 l! B8 O4 V2 Q
]
. d4 Z: W9 @1 X# K" j& C1 I4 g]
' S( z9 o% r" @/ \& | g) J# @let j 0
7 Q" Z% k# N2 Q J0 l$ olet note 0
! _# Y$ n. m5 b1 D5 q( Uwhile[ j < people]
7 }- _9 M$ g: _- t9 Q[
( v" {8 R9 g7 [if( length (item i
/ N1 z8 g/ {& Q[trade-record-all] of customer) > 3 )
7 }$ }4 r$ ]6 P B[
3 }3 q# ?7 i9 r; f% j8 k7 C" t1 Kifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)5 i" Z" P9 D1 J4 z9 _) n
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]9 o/ e$ L7 W! Z( H3 J. h: a. t. i
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]( ?8 ^* j0 b- n: H( p' V3 y
]% t& E; n% I7 V6 p8 G/ F
]
! P8 r x7 w8 p0 X% a( b) j* fset global-proportion note
$ V, m- r& }1 P- X7 @' C* j( j]
0 s7 N- D1 y* G; P+ U4 C, f8 Vend
! u6 z I5 F( {! _! }- M3 u
9 q0 J; S1 P% | n: Gto do-trade( ]5 f4 R/ T3 N# r
;;这个过程实际上是给双方作出评价的过程7 s7 B# k6 i+ L- M! _1 N7 @
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
3 \" F: S1 _8 [4 p$ n9 ], J6 yset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
, {7 k* e9 ]( w1 V# v3 [set trade-record-current lput(timer) trade-record-current
0 `5 K0 f3 u6 O0 P% ?6 _;;评价时间
" m2 c; n! L. e- s7 ~+ Zask myself [
/ R1 @/ s; i7 N% mupdate-local-reputation
8 J) w. M3 _- C( y3 J! Y! wset trade-record-current lput([local-reputation] of myself) trade-record-current
, I$ W* D( ?; @% U. t; v+ t]( M( C/ q$ `$ o7 z y3 @# N
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself% s. I* M$ S8 {
;;将此次交易的记录加入到trade-record-one中
3 y: G w7 J% T, S& y* F. Pset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 Q3 |/ i; ^# C+ e* e4 I' xlet note (item 2 trade-record-current )! E7 b3 S( {3 h, i7 w
set trade-record-current- ~$ N1 u( [. o, Y
(replace-item 2 trade-record-current (item 3 trade-record-current))" B, J2 M! s% W
set trade-record-current$ e. K3 b% v) U9 E
(replace-item 3 trade-record-current note)9 W) n( H! Z: E& W1 }) d3 i
% I* A1 h! Z0 w# [; F1 w; Z% X0 c# A9 S
" p) p4 S; _1 H3 \ask customer [5 c7 M# G5 G$ D% ^/ Z1 k, S! e
update-local-reputation: [. t/ c$ |5 b1 q
set trade-record-current# P- L9 V8 F, S1 B! ?
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
' x" l; w3 L- P7 C4 a]5 b: U0 I8 X9 Z* j, h8 E- i* c
. |1 y o8 A. f' V9 e# Q' C
# _. s1 }! L$ z# ^1 L* L$ J! Xset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
& p( Q: r. r' S* a @( \
# [. ?- g- G3 _. _set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))* S: ^$ P+ K# F
;;将此次交易的记录加入到customer的trade-record-all中
/ ` `" i* I7 [2 Z. {, B/ g, Y5 |; Eend+ S/ M: B: w3 d N' M
- |" @5 |$ [5 a3 s% u) G5 A8 Fto update-local-reputation$ R, G4 K9 K3 N" J4 S' b: I
set [trade-record-one-len] of myself length [trade-record-one] of myself& K/ L& `/ |8 g' S$ }
/ y8 O2 o- x2 [4 m1 V5 l1 m; D& n1 _5 |0 S9 m7 T5 S
;;if [trade-record-one-len] of myself > 3
' y0 Z9 W3 M5 x4 p) G0 b+ Wupdate-neighbor-total; v5 T4 y T0 I6 h( j# C
;;更新邻居节点的数目,在此进行! V6 L) U( d' O2 t9 a6 l1 Y
let i 3
1 |8 i/ Y, s @let sum-time 0) X! O8 n- a$ H3 p4 M9 r2 A5 V8 R
while[i < [trade-record-one-len] of myself]( Q. W. @ @' o
[4 P: L* N( v# E) m& d2 L! \
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )! R% Z" J4 S$ t* X* B
set i4 q: h7 l& q/ h, `# E
( i + 1)
) S7 ^! ]8 Y5 B+ Y1 W. c+ L* i, a]
6 h' w, t* ^9 Y9 o6 Slet j 3$ X ?9 W5 h- w: Z1 \' e1 d% Q+ _% T
let sum-money 05 ?, \$ E# z- r9 P3 R6 H
while[j < [trade-record-one-len] of myself]
& \" S; T9 `) `( M# ?0 e' y7 l[
2 [. e9 q4 K- l1 Wset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)- r% `$ L$ ^$ f1 `
set j
. B7 V/ G* V0 X' c* k( j + 1); x7 g7 q" s8 K! ~. Q2 @4 ^* ~
]
4 X1 m$ H; v1 T7 y5 tlet k 3
& U/ e C( P+ c( e5 i, Nlet power 0
9 `$ h7 J* h# h9 ^! [let local 0
4 J& ~, z# I7 N' swhile [k <[trade-record-one-len] of myself]
/ ]* g4 l5 ~3 [: Y3 P7 C; @4 f[- H) e$ H) P5 \* L/ P0 d/ C- `
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 m1 [* S# D f2 s6 y
set k (k + 1)# v% {7 O6 g7 S& P) J4 E; U
], q# v- ]6 c9 ?* u) I( L
set [local-reputation] of myself (local)2 {9 k9 L- ]# N1 l5 I$ w
end! N% G) O+ a4 Y1 z/ a( @# Y
$ |3 n% v+ ?; A* y6 t. ^- r5 W1 t
to update-neighbor-total
( H; J" D2 r5 S: z/ O0 q% C- k9 h0 E; a# h6 Z$ d. [; ]( b7 ?( n
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
' x F! H; c0 i: y: A$ {8 B
- T n a. E0 d; J; } `* c7 d) W1 P, J0 N& \4 O I! Y2 n
end- l0 l) ]. W4 V* s7 U
) K, [: X( T8 H# ]9 Zto update-credibility-ijl % V7 H. K5 s1 b: t+ y, R( P
% W- k6 e7 h# c: a% L;;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。/ b9 W' k7 k/ C' O4 z
let l 0
, J/ R9 t- O( e; D/ Dwhile[ l < people ]/ B9 a0 M" `! j2 b9 C& G( I
;;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 t: s* C/ s7 J/ y' |
[
" N. r: Y- I' p) _( }let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
: b+ y/ g1 ~8 s5 @# n# X! B& Qif (trade-record-one-j-l-len > 3)( B4 G: V% Q5 E
[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
$ z, d, o W+ A( E6 I) alet i 3
9 A2 J' ]8 T+ [let sum-time 0
: A) a; J$ z* v8 s6 _3 fwhile[i < trade-record-one-len]1 x) Z, {! }( }: Y
[
2 y7 j( {" S. r6 Y2 k6 E' {7 xset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
# I" b% R5 y7 [( J; vset i
: x# Z0 l, Z! O" n* o( i + 1)6 V1 n/ d: {6 k6 l* A" C
]: P" w |7 Q) m8 j/ ?- t& q! l
let credibility-i-j-l 03 e- y, S( V7 c% L: G( H
;;i评价(j对jl的评价)9 ]; {* L- C' D+ V6 E$ @; s
let j 3
/ k' l7 d7 s; g2 C+ Glet k 4) }& I2 M! b9 }3 D
while[j < trade-record-one-len]. {1 G- ^* v1 t( ~& L2 v
[
* R' _' G( X, x- c$ U9 Owhile [((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
2 l. G5 [, a% X' t5 bset 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 r- u' H1 w# V+ H: Jset j
* P0 X. H9 b9 b0 U, C; i8 R C1 J( j + 1)
- e/ [- B/ A0 f( ^. []) r6 [+ s1 ?# z+ z( z; d6 j
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 ))/ e) d+ _0 x1 Y( C, ?: z
3 r; q2 F" Y" S8 v7 ~
% G% g( V% d, c+ c
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))( i* J6 T9 a2 f. Q$ B# @- N* Q% r. {
;;及时更新i对l的评价质量的评价. g; S6 @# J$ t: V& H# H* b" u' G# V4 \
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]/ ~- q' g# H0 o) K p H7 l% [
set l (l + 1)
, v9 y( b( S/ _$ ^! E]9 X. I5 t% a& N
end$ `$ a* M+ E& B& g
3 Y' j5 @7 R. m: Wto update-credibility-list
: j4 V- U) y" Ilet i 00 y3 \6 E/ I9 c; H* U( M( x9 B- O' Q
while[i < people], k5 k2 P3 Z R k
[+ A( L4 j7 K0 Q( V
let j 0
9 A+ C( q' i4 O2 T% @9 Mlet note 0! L5 e7 o- Z! ~ c) |" G
let k 04 _: [# _' l( x
;;计作出过评价的邻居节点的数目
, G, D0 h9 T+ {0 b8 x# @2 K: _" Kwhile[j < people]+ D0 B' j6 h3 Z( m& T
[
0 @( ?0 u* U" Sif (item j( [credibility] of turtle (i + 1)) != -1)- X. ]8 Y$ G* {% u2 Q! L* o* D
;;判断是否给本turtle的评价质量做出过评价的节点: m* v8 j( \ e4 g+ V6 ?
[set note (note + item j ([credibility]of turtle (i + 1)))
# v" W9 o) n$ D6 N6 E- i;;*(exp (-(people - 2)))/(people - 2))]
; Z2 x/ K+ t; y2 y2 a9 sset k (k + 1)
$ Z5 l( M! J; Z]2 P( z& D& f! o% H
set j (j + 1)
2 A& z7 B9 {7 n! q2 P7 F. S K& d]6 {- y, V, L! g) M& P4 M
set note (note *(exp (- (1 / k)))/ k)9 o$ \/ o0 C8 e- s0 y9 H1 ?
set credibility-list (replace-item i credibility-list note)
& k8 v! ]) r/ U' e) D$ F- |9 hset i (i + 1)
4 a. ]( _4 k( O2 i+ Z3 I] e7 J& a; i2 u& e7 l9 Y
end
& O B& T {7 A# M+ h3 S! ~ m7 L5 L" R# F; H
to update-global-reputation-list
; ]' [# g% ^& Q! s3 f2 W; S, Jlet j 00 C7 B) c S3 ~1 u* @6 p
while[j < people]* c( b% N# b- b; |' q
[
. _% M, \: g! n7 B/ h. Clet new 0. T2 v* A0 L, r; V; b
;;暂存新的一个全局声誉
W: _# H# b6 ]" R b1 b* j% xlet i 05 M' ~) C! ?. L+ ]& ?" x7 X$ c. E4 s
let sum-money 0
. w W, \# B* @7 H+ g7 x' ]9 u) Klet credibility-money 0
7 }! B" ]& T: |2 G: W' Ywhile [i < people]. L. x$ r, Q" }& I, y
[, n# E5 J0 a x( `3 B
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))1 a9 N+ ~. R8 N- ~5 I# m) }* `' d
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
8 {' ?; G S! V' sset i (i + 1)" W8 U$ @ o8 l% S' }5 p
]) t& M' d& X1 p; _; K
let k 0
/ X3 r! ` J9 \# h+ tlet new1 0; D! ]! @6 p( J, L
while [k < people] c- N+ }& Q2 }9 ^! }0 }7 J+ B9 @7 l
[
& f3 Q5 h$ p1 h: r# f; ^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)" f. `8 X$ O3 ]
set k (k + 1)
. g4 S" Q6 Y" }) X# h% e. P]
f! ^; x+ q' o# E0 X7 R4 a! wset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) - L M' N/ B* S2 C+ b6 A5 v
set global-reputation-list (replace-item j global-reputation-list new)
0 W. o/ e! Y9 r* Z. R+ F! Q$ Mset j (j + 1)
) c6 d. v/ \- |+ y4 \]
1 \2 ?/ J# _# a* lend. s2 |0 ?$ {' ?+ }2 K# K
3 L' u+ X; |' }0 v- \
: @5 _ J6 x& S$ W9 V1 z; X/ W- I0 S0 ?
to get-color# b& s7 \7 |. M6 X' E! D
1 j4 ?* X8 A( x! C6 C: kset color blue
% I# D7 V* ^6 S: r# W' Eend* |$ R9 q: y ^+ C! r k8 n( |4 C
; S3 i" L2 O5 J4 d, ?* vto poll-class9 R, V7 [- t [$ ~8 s" }
end3 T" N/ W& U2 n. B
3 N( w. ~8 t% H6 F; vto setup-plot1
* f D4 ]7 e5 z0 ]5 [! Z' d5 x# L$ [: |* z k1 F- E4 s* r
set-current-plot "Trends-of-Local-reputation"" v& z7 r: d. S" x
) W$ k2 j8 o" n7 p* N9 ?
set-plot-x-range 0 xmax: k$ W% w6 H) {
! t& f ~0 `; X9 J
set-plot-y-range 0.0 ymax# ], T8 \6 f& M+ P" `
end, V, p* ~: r# M" S: C4 W# n/ C- b# H
) @- M4 N5 n6 v" r
to setup-plot2$ |: @& u& k: W5 C5 P
3 Y7 P2 M3 k- g5 p* D) b
set-current-plot "Trends-of-global-reputation"5 u8 U: f' y2 X" @0 Y; p" V
! t4 Y4 _. }' h! @0 n4 |set-plot-x-range 0 xmax
7 s* {# o' Z" T, G0 H- X5 m3 N; |/ A) y
set-plot-y-range 0.0 ymax4 d6 y* k5 S9 c: u: {
end
7 s- R' E+ U+ B$ ?! N
; G- o8 U4 ` ]5 Q& w5 t& ^% b' @to setup-plot3
' F3 w/ {7 A' Z9 h, q; @: m
$ U( b7 ~. a" j h7 n7 uset-current-plot "Trends-of-credibility"2 O( f9 T) d( C0 \0 _% o' z
8 j5 C! Z {) y- [1 B" ]+ Aset-plot-x-range 0 xmax: u4 e- ?& x% P I
" D. Z2 r$ Y6 E( z2 iset-plot-y-range 0.0 ymax8 z( k& \/ T: H1 b; g
end
" h) { O" J) n+ k; m0 u8 `# R* u$ v
to do-plots
) \1 e+ X. d. _set-current-plot "Trends-of-Local-reputation"
: s" y+ ^6 |: e2 y, W0 Xset-current-plot-pen "Honest service"
# r2 y3 z/ U" x; Vend
+ v V0 _, ~2 J Y* z5 U$ a. a1 Q2 B# H2 e, G8 o4 y" S
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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