|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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3 t4 P' N4 H: T% W1 k1 y9 R U
globals[
- U; I4 G/ f- N% sxmax" `) ~2 A4 f T8 a9 f/ w5 _
ymax
1 c5 |- S& @$ A: n% X0 {# Pglobal-reputation-list+ {+ {2 P3 u& w+ q7 B7 ^2 W5 y' x
( m3 ^* W) ^; r" Z;;每一个turtle的全局声誉都存在此LIST中" D$ a* r8 t2 |2 s- p1 ?
credibility-list
) L( I( M: Y* h4 H' _8 ~;;每一个turtle的评价可信度
5 P9 k8 e" G" j6 p+ _honest-service) C! |9 X/ z7 G
unhonest-service
o/ M- ~5 X& t# C" ~+ Koscillation
; P! o2 k4 J3 a8 M, G6 I$ ?7 frand-dynamic
2 y; ]% z* q+ {2 M2 G& j]
, o9 c8 z5 I) I/ N6 y: S" x8 _7 n0 K4 \( j s- \
turtles-own[
* ]8 `4 O) Y1 N9 gtrade-record-all. v N/ a) ~$ ^% a" y4 m6 P! J1 W
;;a list of lists,由trade-record-one组成0 y; \- o% p0 w W! ~' L3 [$ \8 ]
trade-record-one
5 z% U/ Z l2 B) B' u' ?( u;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录6 _) k& _/ R+ T' o2 L6 Q
& \. U" {* k- V;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]+ E/ O: Z0 Q# v3 p, M% R$ N
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
" M5 \' N* O1 X" k- `credibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list
) B/ U- Q9 Y6 Qneighbor-total5 H( I/ s$ G* `: o3 p
;;记录该turtle的邻居节点的数目
1 u+ u! `* l* E# B- r7 d% Itrade-time
- f7 j" @/ n2 I; o" |;;当前发生交易的turtle的交易时间
6 y0 x2 ^* _0 }, M9 a7 Mappraise-give# P" f7 X3 e: e
;;当前发生交易时给出的评价
4 _/ H+ F' W3 i: v. Bappraise-receive
8 d% ?2 ~: l% l/ j( X& {8 H D* o;;当前发生交易时收到的评价
+ L, S& P, U% _appraise-time& r, \) i+ k; F8 A1 k) b
;;当前发生交易时的评价时间! v% d6 F4 O; p/ r, i- A; s" @, v
local-reputation-now;;此次交易后相对于对方turtle的局部声誉. o3 c* z# K6 o2 _% }
trade-times-total) |$ E" H3 G/ I* c U
;;与当前turtle的交易总次数
9 w+ f6 y& m: m& {4 F; Ftrade-money-total
3 c1 P( m5 z* s# x/ f( D$ |; R;;与当前turtle的交易总金额
/ P, o3 g: V0 v7 w! S1 t" vlocal-reputation
: k: X3 p* u. k2 sglobal-reputation3 M. E0 C- ~, M
credibility0 G J% I, I' R+ Q
;;评价可信度,每次交易后都需要更新
$ x, _5 {- q2 K# y0 v# d/ acredibility-all
J/ L, x* Y4 _( G! Q' W1 A* w;;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
) ?# S" w: r1 O( w6 U3 J) N$ Z, K0 Q3 G# G- @
;;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: d; S' l& d- n3 q% z
credibility-one4 R1 ~+ ]! _, e2 G! Y
;;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
. Z$ Z" T$ h z( Vglobal-proportion
: a I" `0 { j3 ~customer/ j7 W3 B3 [% v: e" I! k( p
customer-no
Y8 | H0 l/ J* ?9 K9 utrust-ok; d* [, o, ~0 ^: [/ ], P
trade-record-one-len;;trade-record-one的长度$ f+ J1 V+ g- |
]
6 u4 _: Y& m. i+ ~8 y2 q7 T+ |( N! @. `9 ]6 T$ L# {/ m Y
;;setup procedure% e g5 P( H4 b& H
3 V0 ?, T( I, C3 E
to setup
* }' O' e% W# B3 a0 s# ?0 L7 @% s
9 z& b+ l/ U) e% G, p0 uca
5 x. |8 j- |# b
2 G( q7 Q' h2 K! e2 k! minitialize-settings1 v) f! B& `) H8 R( n, R% T
% Y. K# e& K2 d8 i: U
crt people [setup-turtles]
2 x' L* z2 r8 o* R5 G; w0 h- }
reset-timer5 ^$ U7 V. k( a8 ?
, R0 \% q$ N2 l y% j4 h) S
poll-class2 `$ l0 a9 S8 B7 S
' d( N4 m" l$ s) _/ Z i( ~0 \& r
setup-plots
' w5 D; {& [2 F1 ]8 W
Q7 ]; \! a8 L0 x: |do-plots
, O, @- h1 ~2 m+ Tend* [+ S. F+ ~ V; R+ t+ T3 f
% j7 C Q a h5 I4 L9 O E0 ]% J8 y
to initialize-settings9 P) U! h" E9 c
* `4 u6 z% f+ f: T5 e' ]
set global-reputation-list []
* [* ^( L' ]2 q+ w0 h; L/ u5 ~% Z* x, r4 p$ b1 T
set credibility-list n-values people [0.5]1 B) x, b0 A' U8 S+ F1 o
3 J) d8 T6 I3 t6 |; k+ y
set honest-service 0. D5 T: q% F& e6 a5 ^
6 e+ t5 Z( O; m- J2 ]0 p/ u
set unhonest-service 0
- c9 f9 w; V7 I; s0 ?$ ~" e# [* A7 R* `# g1 Z
set oscillation 0& \( Q5 f0 R; y) T
* ~) t" v# a3 l" P, S& d% u" Aset rand-dynamic 0
* p% C a) O7 u- l, R" W) Iend
" u$ `* H# c# X; V( i$ J7 F8 X* M+ |$ O R6 E
to setup-turtles
- k: P/ l8 O2 t1 [$ a' u1 ^set shape "person"
: T" G) K4 z: isetxy random-xcor random-ycor4 \: B6 O0 n$ q( B, x r
set trade-record-one []
# k/ ~4 F9 |* m) @
- y4 E1 \. i% P2 wset trade-record-all n-values people [(list (? + 1) 0 0)] 1 Z- s* w. D2 B" F0 G' T9 `5 W: [
6 E/ d; p( `- h" i5 d
set trade-record-current []5 G0 g# ^( s. T: V( C5 ^
set credibility-receive []
" ^4 @3 w$ ]* W# x1 H" U2 Dset local-reputation 0.5
( H a& z+ }# g2 r; {! ]set neighbor-total 06 T% z. ?7 o$ G& ]
set trade-times-total 03 d# R1 l2 h5 N/ i4 f2 ]2 X& B
set trade-money-total 06 `& Q6 S2 X5 A& ` ? {7 x9 T
set customer nobody
' f4 W I( [7 C6 Zset credibility-all n-values people [creat-credibility]
: u/ }6 a# k6 J) M. xset credibility n-values people [-1]
" s$ b% q" a0 w3 Bget-color `' w. Q0 \, g" C% d$ K
: T3 K, a7 Y% B$ b5 Jend" r# U; }4 G z& y' p# r$ R; X
# [: t K! {% Z5 c' F7 _& T, o. a9 x
to-report creat-credibility7 d! Z6 ~2 C' _8 ~
report n-values people [0.5]
7 V, T- E! j5 `end8 l' _- B) K( v' l: N5 a
9 t g F, S, Xto setup-plots
2 |( P( c6 V" b. u9 ]6 U8 s. V% r& x& S- R% D F6 L( D# c
set xmax 30! ]( X2 M9 f2 }$ P
- F' m8 J" g0 ^) x3 v) M! s! i2 z
set ymax 1.05 u: a5 p; G4 F) X7 Q6 e7 N1 X5 A
8 r: `! N7 S# N5 o) w: _& iclear-all-plots& j4 w/ \! n& u0 j- a+ E
# X- a, K& f0 c) h
setup-plot1
( s& Y' r9 _; R, |' a5 ~( x2 D+ _! \5 \% r9 i* t) A
setup-plot21 v1 X' p5 z8 u+ H, z
' |+ w, ?5 s6 [- Q/ l
setup-plot3
4 c: w. i0 ~1 a4 Yend
7 V% `! j/ j9 M: M: E% _* w& ]4 `% }* o; l+ r; s
;;run time procedures* ~' ?; O/ _) s0 T
3 g6 U U+ c4 B I5 _9 lto go3 h" S8 \" I2 Y2 H7 o0 T
2 `7 h2 J( N, j; P) |6 }ask turtles [do-business]
4 I h: t( Q) ?! J! A" j! dend
+ l' f. k1 X" ]* u5 C
( R# i7 W W2 c) ]0 G, _" Q( t( eto do-business
. Z2 L. u9 a w; o: ~2 F; {* g# A6 T
% x! H! q! T" \! Q/ d
7 Y" J3 ^3 I7 A% m v0 w# F0 nrt random 360
5 [- ]$ D8 {0 U) @0 j1 A0 y4 Y8 r+ Q0 A
fd 1! L [( q: o& l! A1 e
8 W9 i7 z' @+ }5 \( z
ifelse(other turtles-here != nobody)[
* E9 @* {/ C9 k3 @# c) W% ~( _, X3 j7 x7 u
set customer one-of other turtles-here
7 [$ u/ o) d6 E- E$ x0 L
! e6 P9 J \( t( |;; set [customer] of customer myself4 j9 M3 z4 p* W% Z, G6 ~
, j0 z9 y4 Q- I# L a6 L: r$ R* f
set [trade-record-one] of self item (([who] of customer) - 1)7 D. A/ f9 Y9 T' ^1 q$ M3 M- V
[trade-record-all]of self: N1 h8 _( H7 Y' T: F
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self9 {: A8 |* C" Q1 x! s% o
# f7 v5 w: q: g; wset [trade-record-one] of customer item (([who] of self) - 1)
6 ~: l/ B, j( M% u! ^ W[trade-record-all]of customer$ V. m5 z+ U, w8 m) ^# F
4 H' N- L$ z* B" j! ?set [trade-record-one-len] of self length [trade-record-one] of self
+ O4 ]0 u! q+ D/ q( `& |: \- j8 N `" P9 q+ ]' }8 F
set trade-record-current( list (timer) (random money-upper-limit))
* ] Z7 ?. Y8 [& p7 F2 i
, W: f/ a) ~$ S+ aask self [do-trust]
( m; A5 x0 b& V0 W;;先求i对j的信任度: L% X9 I" B& |- s4 L! X
& {8 a' R" F, w8 u% E# m9 ~, {, Cif ([trust-ok] of self)6 O* J# y: \% w& P6 B4 C6 J' l( y
;;根据i对j的信任度来决定是否与j进行交易[
% {. q/ G: w. _; a2 r7 ^" }ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
8 ]; `/ a/ E1 @' T# D: A
6 v0 k& {2 g3 h0 f: U/ W[
, T7 o# d& u% y, r- S% _9 |9 ]/ x8 e# U. b' I. N% a' Z6 j4 k- e
do-trade
3 t" ~ [: x* Y5 V
, X% [; Q2 ^9 H$ m' yupdate-credibility-ijl
2 I1 `! V* o; o N8 X$ A* F
$ Q. ?7 O& @. K# Nupdate-credibility-list1 W! R' V8 K% G; C9 y
+ V) T3 v9 {/ j) f. k |
. R4 e. j5 c$ q
update-global-reputation-list
' S2 G* R& C5 g, i0 k* T, Z, `; c: m
poll-class- W2 V/ b$ _. ^3 H
1 M9 {! u4 F6 G; ]0 Aget-color: E7 V9 p6 F/ |) }' z
+ x1 ]6 E( g! k( E5 Q! ?" L
]]/ Y& X d% d, S# y- l
; b3 ^- N# D$ F7 Z4 M5 ~- I
;;如果所得的信任度满足条件,则进行交易
; V+ ]8 u% m2 i$ o) _1 ]
) I. V' S) ? _4 I' }9 {[
' q7 e6 z( T* u( b- K
! n) ?0 I1 R9 @: Q$ ~6 Zrt random 360- Y5 H) f# F* k T( v5 y: {
9 d2 ? }1 ~4 _" J; y+ mfd 15 u) X0 C h! V: p
" _- w% M1 f0 Q( a]
# i9 ^$ N( z: P- K
' q# H8 [' S0 Zend& X8 p* \6 |: ~0 _' z$ x
+ K! l; q. j& K. Q' e7 x4 P/ ]" Jto do-trust
4 J3 {- l! i# o6 ~+ }set trust-ok False
+ {% h4 o( u- E; @9 f& n& L4 z2 n) _2 x F; n
4 q/ K1 _3 Z2 G
let max-trade-times 0
3 G; N. ]6 S# X! iforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]- L4 V- ?8 j. r
let max-trade-money 0
: A& A+ v1 u1 |9 C" j8 y3 k/ vforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
! d9 y5 g" c5 S5 Rlet 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- p5 V# z, t
# H& `0 i& G) l1 I7 z& C r, x1 l7 |4 R; F! C, y( s
get-global-proportion
2 Q/ j9 h$ h ?" M& f8 @& d. |let trust-value
: t+ d6 t- \3 V0 f% ~ ?$ p# Q' [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)
: W% J5 K, ~+ L& E+ W K0 m# iif(trust-value > trade-trust-value)0 G5 ?. H. r8 `1 ~6 _! h
[set trust-ok true]; {/ Y' u$ W( V' A9 C j( x
end. x8 A; @; r9 P2 C* z
5 |) }$ {% e7 x$ n. W, Tto get-global-proportion7 L2 l) P0 K! j) L- q' a
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
5 n' h1 M0 s4 n' Z1 J8 k[set global-proportion 0]; `! t8 ^" ]. x R1 H, R" o O. A
[let i 0
' M5 i! g; O0 X& p& A- Blet sum-money 04 B, P7 F& R7 ?% a
while[ i < people]
) Y5 V8 z, B4 p0 D+ W[' I8 O' {8 U1 K( K0 I2 y7 v' w8 B4 |
if( length (item i
6 c- S3 @' }, f( c! O1 O1 J[trade-record-all] of customer) > 3 )
- A4 z3 H) d* h/ [$ Z2 S$ V[, S" R; t1 u8 p r5 w* X$ Q
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
# I6 ]9 O& N, e; O, S$ j4 C]
8 F6 A: P' u% d& S5 N3 ]& r]
2 g' y) A) U- w3 {) a4 l3 G4 Blet j 0
1 R* N# @) P, {- q% h3 K5 zlet note 01 V/ n, K% d, E9 W+ H
while[ j < people]; b& v3 l g {
[& H. U# q4 ~2 ?% l$ \
if( length (item i/ q8 T w7 s. R2 S
[trade-record-all] of customer) > 3 )9 m: S4 g+ W/ h+ J
[
}' Z! Q5 M/ h; L5 z) @2 Qifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
7 Q6 p1 C+ U2 X+ n1 y8 X) i7 L[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& C; P) ?& @- s9 b/ n7 W
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]9 F& O" L7 y2 M8 Z
]: N2 u9 b7 M8 ]4 d" P) e
]
5 i2 F- \3 R4 `8 Gset global-proportion note, S% ]' J# ^5 U& |8 i, [
]
9 E. x2 r. L$ J5 |% g/ j- Qend
7 l/ L* W4 k3 M2 U
1 z1 _# o% S( l' G3 `to do-trade4 `# \" o9 [1 M; W) n9 z
;;这个过程实际上是给双方作出评价的过程
+ Q6 B {( M$ Z; \' qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价& {. Q+ D/ x4 S/ |( D+ |$ _
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价7 o+ k1 t& I$ j# e( V2 g, q/ [4 b
set trade-record-current lput(timer) trade-record-current
% l! i, W! F4 h% |1 s# f8 f;;评价时间 m' h5 z$ g' D3 n
ask myself [
( j, _4 ~! A+ L% T4 l* b" jupdate-local-reputation
: ]8 E0 _7 z6 `6 A8 r& o: cset trade-record-current lput([local-reputation] of myself) trade-record-current
9 B7 W5 D2 d4 W' `]9 f% Z" M% l$ H2 n V; L( Q
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself0 `- Q; f6 F8 Z% z9 |$ E* }6 p( F; v# e
;;将此次交易的记录加入到trade-record-one中+ k8 [3 f$ \; ^+ s
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)& b6 |. q! K4 B0 a. b) q \
let note (item 2 trade-record-current )
4 Z, V* w7 J+ O$ F: Sset trade-record-current: p4 a) y" x) S0 @1 \4 a/ ]
(replace-item 2 trade-record-current (item 3 trade-record-current))
7 e5 p$ u9 z$ Y) W* cset trade-record-current
6 s$ j1 V, A3 x h3 T(replace-item 3 trade-record-current note): `/ g( G w5 k& E7 P& ?6 ?% ^
j4 ~9 p( ]& ~- O3 x4 t3 S4 E- a& p: M9 U) R
ask customer [5 d0 I1 l; [: }4 z/ c* a
update-local-reputation- x6 B- _1 D. O8 N" c/ m3 t3 N
set trade-record-current( N1 t1 g, |; ~# O; r1 }
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
, z0 w! ^, W: [8 G/ y* h]2 O& q, D1 x) e; E/ g: H! `5 K7 ]
& W* n! H v. }3 c# A) d
" w9 d T1 m/ N5 p# l- [& s
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
1 p2 z3 Z" w( C, d( b' _4 ~# y2 c8 G
& R* H' J" u: t8 w) s- p7 uset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))( S) \2 B+ R* M2 a
;;将此次交易的记录加入到customer的trade-record-all中
) g- f# r( z4 g: t \. J" Aend) a! h w. p9 G. z
! Y: f6 F: G5 t; c, s9 `4 Nto update-local-reputation
7 M( W; h$ B% n* lset [trade-record-one-len] of myself length [trade-record-one] of myself* q% s, w2 V$ c; Q
4 |6 N2 x- T9 z" c3 G6 [) K
- R9 y9 c2 T& m;;if [trade-record-one-len] of myself > 3 & ^' L; P$ S, I0 ~+ s9 Z
update-neighbor-total$ Y% i& G$ _2 d* A/ s$ z; [
;;更新邻居节点的数目,在此进行 x- i5 l3 d/ Z) d. x- d+ C
let i 30 c0 z( ~4 w0 o
let sum-time 0
5 v# Q9 n* d* Wwhile[i < [trade-record-one-len] of myself]
$ T, J0 y. c1 u6 I O. L% l[1 W; o( q1 r/ Z, i
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ): ^ g0 s: c3 ^/ M! O
set i
8 ~% S! }- t+ k7 d! z1 E I( C5 \, f( i + 1)1 K' c- t- U+ z3 o# o* ` ^5 x3 I% f
], q: E( q2 x$ E( k9 G( d4 ~' Q
let j 3
) _( l! g; q0 d* olet sum-money 0
" v6 R q: ~ u9 x2 [% fwhile[j < [trade-record-one-len] of myself]- F4 e# e- \2 a
[
. U' m! l. j0 d2 |& E/ ?" |2 c: W# Eset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
& X! B$ m# w' s* `$ T% O) k9 n4 r3 ]set j. R, V" m% \: t7 j* o. R
( j + 1)
( e% ^" K6 @4 C1 V( }]
* S# O! B6 ~3 glet k 3+ P" e+ H( r" N
let power 0
8 {2 M# }: x0 S* slet local 0
$ t* Y! q+ J/ U7 f4 p/ X. [while [k <[trade-record-one-len] of myself]& z0 u# i7 f4 c$ V/ c6 G4 H- k
[
) n7 f2 F) p) Z1 iset 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) ; w+ ?( f. j) i3 G
set k (k + 1)) f8 J% A/ E: @4 R. Z3 U0 r, Z
]
- y' m$ I+ y* H. rset [local-reputation] of myself (local)
# _6 v5 J( n+ Eend
' p' h2 r' Q) }0 F4 k. s' \& k! f+ {* K3 Y4 o- x2 K* S
to update-neighbor-total
4 P( O+ ?$ [, e" G6 E! {5 S
0 n0 e, }! S8 ?/ p! I/ q5 C% R, Pif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
) y: J" ^7 W( j6 |. A; ]
3 L, h- Q) `+ `# M- e. T. w, c! Q) X/ _* F9 @" `* ^! p5 t( E
end
. q% v* P& t+ e) a1 g8 I
0 P7 v) N& o/ R# k! Q8 G B$ Xto update-credibility-ijl
+ }, w; V$ {2 P5 J) l/ K6 g$ \: K8 Q. Y$ r5 D8 h1 D- X
;;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 u1 o! f* \, u$ K5 l* L) D* ]
let l 0 w0 h5 }8 B& G; H
while[ l < people ], p4 }' G% {1 v x" n+ F3 n
;;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9 ~1 |2 ?9 M8 G" F9 W
[+ U) U! X: j6 A$ |
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)4 ^9 Y5 Q* C& j+ W
if (trade-record-one-j-l-len > 3)
8 D1 o7 @4 o; p1 Z( D[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
9 f# S6 s: |3 d6 {7 q5 r$ X6 Glet i 3
% r5 n$ p2 q# s+ W; d' Ylet sum-time 0. }. b/ x; Z- Y2 h1 P
while[i < trade-record-one-len]
$ L4 ?; s% \' A x8 t5 g$ _' m[- T- ?$ x1 X* n5 ^
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
! h- f, s+ m* W4 W: f' {set i' m$ r( n0 A. O# f
( i + 1). J: G5 F3 e% h; ^6 H- J- @ R
]0 T' [8 O) l3 V3 s* y
let credibility-i-j-l 0
' K, H; G! Q0 M9 s' T! g3 ?! @4 n; H;;i评价(j对jl的评价)
4 D4 R* E1 I. @+ h" d6 vlet j 38 K7 J2 z% s3 Y+ H
let k 4
6 H& B3 ]4 P* H2 N6 }while[j < trade-record-one-len]
, c! y% D2 x' S- X' W9 M[
6 C- X3 o8 i, n6 Swhile [((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( r; G$ w' \9 s* l- _' @* t8 S" a9 N& T
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)! U, |3 A+ \% }7 O$ F1 s7 i- h
set j! C1 d/ h) k8 Q( b- g" u3 L
( j + 1)5 J$ j( \( r4 [" ~# {" h
]
! I, a' K6 y' {& a- @5 x/ Jset [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 ))+ Q: E/ _4 v( e# z# A
3 S$ l( W7 H1 R) o0 G
! K! n1 ~* g) q% k2 r* w, d; b
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))3 D0 L9 t- i9 Z& J, u
;;及时更新i对l的评价质量的评价. X$ \7 J; y7 ~ s/ G/ m
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
\1 ]! Q; S2 N Y3 B1 @+ p% vset l (l + 1). v% [" {, O9 z
]
/ n+ U" F* N- B# M% {* M4 [# xend
& G& D; P% b0 h U8 c5 E
5 o- U4 U. I$ p9 K+ }5 _2 Xto update-credibility-list1 Q9 a t" x8 S5 W
let i 0
% ~+ n) O- ?0 K4 w6 K! @0 r- _. Gwhile[i < people]
3 m+ e. }& B* X/ w# W+ Z) q[
' c8 Q [' t2 w: j5 {; wlet j 0
6 ]! O& D% g8 w' Olet note 0
& M. Y+ a# y1 I. s; d+ jlet k 0- x" a5 `! u7 f' ]
;;计作出过评价的邻居节点的数目0 X5 Q7 X1 R: r; T, ~% J
while[j < people]$ V; K3 m" ^1 G# B p$ U
[/ u1 b6 `5 m2 J1 G
if (item j( [credibility] of turtle (i + 1)) != -1)
. t; ]1 v4 x( r;;判断是否给本turtle的评价质量做出过评价的节点! v0 z6 t* K3 l$ O" Q6 f+ d* _
[set note (note + item j ([credibility]of turtle (i + 1)))/ {' y7 ]! E. {
;;*(exp (-(people - 2)))/(people - 2))]5 U+ z3 M+ ^! H1 f
set k (k + 1)
& |8 ~ b3 k- {- Y1 z5 q$ g]
2 I2 |. E# R2 T3 u: C7 U) } Kset j (j + 1)4 Z) t W- C1 _7 y
]9 F& i6 w) a. {: E! @. B
set note (note *(exp (- (1 / k)))/ k)" O8 A) W) [ `
set credibility-list (replace-item i credibility-list note)
) z( j; @0 g5 t3 w) x0 Hset i (i + 1)
- s i: \- i/ m) ?]! ~& J1 }: E q# x0 b
end' N2 c" z/ i4 I [: ~
/ V" H) h8 M# ?1 Q: `. z' U, lto update-global-reputation-list/ X, n( e: Y' }
let j 0$ |9 C& v$ m" X! E" G+ j+ i& M
while[j < people]
7 \0 f- @) x9 ^9 s" J( B[) ^ r1 \9 y$ l
let new 0 L6 D6 X1 w( a# J& }
;;暂存新的一个全局声誉
/ }, v9 j, P6 ]% Tlet i 0 J- W( G* M/ |, W8 K4 _
let sum-money 0. Q- H. q1 X0 v5 n
let credibility-money 0
& Y4 A: K3 B3 j) K8 jwhile [i < people]# g' u7 n1 V" Q. R$ I9 A) M
[
5 Z2 x/ j1 V! v0 A. v+ Lset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
8 H5 K; u5 Q3 ~) s2 xset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))5 J3 W4 l$ Z, E" |3 Y/ C! N) E2 e
set i (i + 1)
6 P) i0 J3 Q7 m2 Y! d]& O$ p* ^3 v9 j# ?. v/ l
let k 0+ e7 Q7 V5 r- L4 T. x) X l
let new1 0% p5 Z0 Z. I+ p. i R
while [k < people]
# U" t/ C. C, f. g( S% n[( f8 [: i+ v# d/ M
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)
$ s, ^2 S n# bset k (k + 1)7 }' ?7 K- F& ~; h
] }4 Y+ R g- o: o/ |
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
f: d3 k0 K6 }: O' @' zset global-reputation-list (replace-item j global-reputation-list new)
' t8 k0 E4 K/ Hset j (j + 1), h5 [+ l; i; k3 P! g9 B
]
2 O5 @( ^ N6 M; ]6 `6 gend
" q# S$ W- Y) H6 y$ C" V5 g4 o: m. _; X! L4 ?3 g1 N/ V& ?
' j, W# ~; D7 q
3 j: R0 T# m) T0 Lto get-color
: n2 ]9 I; }! C! ]: [
- S# D9 ^! L+ c( _1 c$ S0 {6 bset color blue1 R [ \! G7 @: o: m5 E# J
end S D5 s9 ?. ~* f4 M
! A# D1 g" H# g3 S2 Z* [ Y5 R2 P" eto poll-class
* c' h( ?* B8 vend( \! ^+ a: o' k: w# ]0 b
& M* n H& u3 [9 a0 k0 c. eto setup-plot1" O/ @* H. x$ N1 X
4 r, Y7 |7 }) m4 K6 Zset-current-plot "Trends-of-Local-reputation"
" Y" P# S# Y& j/ t6 M- R x% p0 B* f ~7 x: m& p, G
set-plot-x-range 0 xmax0 A8 w" C8 H# b
) Z- k' g( V$ F; K. H5 \8 _
set-plot-y-range 0.0 ymax% U$ r3 D: n9 {% Z. t' c7 X5 K7 Y
end; C# R1 M$ o9 e n! u; ?
& @- m6 n! p. w( Q, bto setup-plot2
1 u: F* L2 U% p2 j% J
* W: H+ V6 L8 Z$ F0 T' Iset-current-plot "Trends-of-global-reputation"0 M" ], X7 H- m# C/ I+ M1 G
9 Q [* s5 r( z* t- s; ^set-plot-x-range 0 xmax
* {2 d: `, m% k' e9 e0 w( J
7 ^4 M U" `+ v. u# @& M2 Xset-plot-y-range 0.0 ymax
) d- P' u4 W" }6 Y' Bend
. m0 l* k9 @! c( u! ?) H2 g" O' S3 h
, H. C1 I/ v9 Nto setup-plot3* k' O9 W* j$ ?0 o4 p/ b3 F
4 @' v4 G. U& Z; H* Wset-current-plot "Trends-of-credibility"
: b( C% Y8 R% }- v$ [1 _& o5 i/ c1 ~
/ w( T+ X: O G: p+ oset-plot-x-range 0 xmax
$ |: d9 Z; P) I, q2 E: r3 T! a+ i' s g, q
set-plot-y-range 0.0 ymax+ R# p) p2 Y# s- i7 y
end/ ?9 D& l8 G: b
7 d, G4 n7 f) g( |
to do-plots
& J+ {0 V4 ?5 a+ F# t& v: Jset-current-plot "Trends-of-Local-reputation"' ^7 E) c& }5 r
set-current-plot-pen "Honest service"2 j, {: j7 A z S8 |; `" D
end
1 r0 c. F, L( g( z# J) e
: `4 Z! z+ s- Y+ i! e$ ?' z[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|