|
|

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
9 {4 A' ]5 M7 o8 K0 rglobals[
# L' c4 e+ }3 J/ O1 ~7 Bxmax" k+ _# C. P5 V/ M: L( K) y
ymax
3 z1 o) _# i* h; K! L% Oglobal-reputation-list
1 R3 S' _) b, A6 k
; [& p! h Z0 j9 u;;每一个turtle的全局声誉都存在此LIST中
/ R9 T$ B- Z1 Q1 |! ~+ y* icredibility-list6 u. z& B4 l `% r
;;每一个turtle的评价可信度
7 o s( k8 A- f6 I" ~honest-service4 G i1 A, d$ @
unhonest-service+ ^% L- `' E1 x& k& D5 G
oscillation7 s) [( T6 c! F
rand-dynamic
" h' w; N; E7 v) m]9 r9 `/ B+ ~8 P1 `
- z3 j" F, H; r4 [$ eturtles-own[; v2 F# [( z6 [
trade-record-all
- h0 I* x' Q E9 o/ o+ f7 v;;a list of lists,由trade-record-one组成: G9 _2 W) `# g) ~
trade-record-one4 E( G( s& i' |2 t3 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
7 G( {; i, h S6 V5 ?! [6 T, o2 ^! E3 E( [* 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]]
* C/ M$ s" |. O) \: J/ }5 Y( 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]8 `$ I T6 H/ N, c9 J
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
9 n7 Y$ a& ~- g0 d) _neighbor-total
$ M6 x2 o: ], e- i3 B1 g;;记录该turtle的邻居节点的数目. E! h0 v4 u8 \1 C
trade-time
f, D6 Q9 [, m3 r' V5 g) P0 s;;当前发生交易的turtle的交易时间; B; L s0 Q0 N* u) d) X, S
appraise-give* j& E* B( L1 D1 |3 v8 M, J
;;当前发生交易时给出的评价1 R" P1 x" J' r2 v
appraise-receive
: U; ?, M% J3 _( R;;当前发生交易时收到的评价# L' e- i8 U8 c( u
appraise-time
' g7 ], [3 `6 @ G/ z8 [;;当前发生交易时的评价时间 O. L+ `, |' X# ~, b- {. M* t2 ^
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
2 l! t5 x3 R1 T5 F0 }8 |1 Ptrade-times-total+ X, |$ c$ i8 S$ V, N4 j
;;与当前turtle的交易总次数
( F* Z2 z. l9 B7 o, ~* Ntrade-money-total
/ O( x, A' j' {( Y& J) S;;与当前turtle的交易总金额2 D7 P1 `1 D1 d9 { [; X) {
local-reputation$ p- Y7 x, U+ B
global-reputation
8 s1 ^) d' u& c4 {& d, Mcredibility3 ?* B0 q$ L8 x0 z" ]% b; d( v! ^$ O5 I% G% v
;;评价可信度,每次交易后都需要更新9 d( s d* Q+ `1 j c6 ^) d
credibility-all9 f2 ~& U" C6 m0 {1 c: u7 L
;;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
3 i7 L$ N4 a$ o( i" H
7 \/ e- C) R7 Q$ d5 g6 H;;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0.54 l5 L4 d' Y8 B2 l7 P. k
credibility-one
+ a' U$ \' y& l. I, T/ a;;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
- c! k! f* c/ B1 n* e0 G6 Sglobal-proportion9 \6 Z. n! T/ e7 a8 ^0 D# y
customer
: v& X: z0 S) H" H% Scustomer-no
: `# z. d2 v; d% G) \( Vtrust-ok( v9 f7 s3 p1 D- R' ]$ }
trade-record-one-len;;trade-record-one的长度
* A. a/ b6 T5 B: C9 l% u0 H]
' {5 M0 f8 _) `
' S7 |' m1 F N7 d' r1 T4 @7 V;;setup procedure
0 v- c1 r, R @1 z# | O+ \$ q1 n% A% {2 h8 _+ H% F
to setup
* M( G5 [( u7 L; `5 L7 ?1 A) i/ | _0 K" j
ca
9 k$ ?+ w E7 b5 m! t5 G$ S7 k
i _& k, i5 T" t9 g+ dinitialize-settings& b3 [. W w* o, {5 t9 Q5 i
% E/ j; A- p: y. ] H, X
crt people [setup-turtles]+ S1 z$ i$ _8 }: _. w! d9 _/ {! M% {: j
5 y a! o6 m1 Qreset-timer8 L# D: H7 E q+ s; J) y5 p
( _% G* l, V" W* Y3 Opoll-class1 \* G; Q1 B0 i' o, a
, |& }& i I8 Y- u/ o8 hsetup-plots
, {, u( v4 D9 w- H- U
" o$ p- Y2 n0 A8 X2 qdo-plots+ V% E7 H. l& h$ J8 r
end" v$ V& M# n3 b. Q
) c: G" B+ w" ~; J& G4 r, Z
to initialize-settings) u9 @* q" ^5 I+ \
2 a* t8 |( m$ ?; C, m6 Rset global-reputation-list []
' F9 f: k2 a* S1 X5 w/ g/ n! C' s2 P: M" T
set credibility-list n-values people [0.5]! y* v2 M3 m& d8 K7 p9 Z
* \7 ~7 O1 E& Y3 k, \% D. H
set honest-service 0' G' t0 w4 e1 w9 @& W0 T' ~) {
: M6 @! j% C" p) ^3 z( M& y1 Fset unhonest-service 0
4 `. |( C2 n+ ]& }; m: ]
" p" P2 P( H! B6 [8 W& O& F" |, Lset oscillation 0
: x. w. C V/ o e% d. y$ `
/ k2 f" F% |$ Yset rand-dynamic 05 b1 [6 J4 s L X2 r- M* x6 W
end0 e0 j7 i2 ]( Y, W
7 F; ^- D" f; e% R4 _! E. `$ Mto setup-turtles ! r) s" x- a! ]6 P4 f/ h, |* G7 I
set shape "person"
6 {/ ]0 h& k- n+ B+ X/ n) X% ~setxy random-xcor random-ycor8 M+ Z$ f3 W& h
set trade-record-one []; J. M0 d6 I% _) i1 |3 F9 L4 W
9 J. m* a( x* W+ b( A& Q; N
set trade-record-all n-values people [(list (? + 1) 0 0)]
* K. f. b( V* G5 X `$ V! C
: M) `0 `' b! X8 Oset trade-record-current []
* |. Y. l, G4 ?set credibility-receive []
+ n/ z- a7 y9 f3 \) c, Sset local-reputation 0.5
. L) {. y5 o5 C. |6 }set neighbor-total 0
% y4 d3 C8 O( u6 dset trade-times-total 0
1 |, x2 ?. F+ l; K- C) bset trade-money-total 0
6 r; j4 _" R7 z; t, {) K* ^set customer nobody9 g0 ]+ L9 @4 l
set credibility-all n-values people [creat-credibility]
" p" S3 w M0 fset credibility n-values people [-1]2 C- Y# `0 _5 Q+ L7 L& M! j
get-color0 g' o1 d9 s" }; O/ {( O" Y
8 o" g1 e5 }0 n3 }end
+ ^' Q" r" x5 a5 S9 I( }: `' M) D# U% I0 v. d
to-report creat-credibility
2 |/ Q; R! k: g( c+ Z& Kreport n-values people [0.5]
' S K# e& T3 p! \7 m7 Wend
- p: Z1 S8 z% D* }
# H% R( }1 y( r3 B0 W, T* w$ P; Dto setup-plots; o! l! o$ Q4 \/ A% P
2 r' I: ^6 k3 D
set xmax 309 N6 t. E4 c- t8 w
& G1 M8 C. }. {) }set ymax 1.0
, |, B5 B5 @! [0 B* V; t+ Q) \+ L$ ~# Z5 ~. Y0 \
clear-all-plots
1 Y2 e( b v) ^+ R% @' g, `
; f' x- D4 }, M- O$ ]! z2 jsetup-plot1% ~0 K2 s6 i- U+ z8 h; F$ D
, [6 C4 w( R7 R. ~
setup-plot23 }$ _5 x' i+ Y8 X3 u0 G
5 E; O& m+ y+ g a- {0 A
setup-plot39 C, R$ g* P6 E9 F4 h. \1 a
end8 \; A4 l2 t9 p/ K, ?. S3 D
( n4 O0 H n( z( x9 D& E;;run time procedures3 P; j( s; q n+ ~1 g
' h! e$ M: a' L# Y1 L+ j8 S$ qto go8 L/ r& ~" Q2 \) `7 C6 y
0 w- W# K& E) ~; J/ e: F3 W
ask turtles [do-business]
+ {( q$ B* w! S3 e: R: l' ~end
6 e6 s4 G p- @% b9 a8 m( e: n+ b; f& [3 r" x
to do-business
- f' k5 ?% b! W8 c' x. I, k9 s. r/ @9 m/ L2 v8 H! [
1 j+ V# W5 \* o$ W2 `- C% mrt random 360
; J3 t9 r7 x( K# u) l+ I" b, x4 D* h# K3 n" u/ K
fd 1
/ Q( R. Z! g1 \7 r% n
( K: S% j6 N3 E+ qifelse(other turtles-here != nobody)[
; m/ t* L1 s# E& C$ ~2 ^! Y
5 Z+ d$ ~# H, L! n9 zset customer one-of other turtles-here. e! z9 V) ]) ]' s: a7 K
3 `( I* L6 J* V! P7 [8 x
;; set [customer] of customer myself7 }6 t6 K3 ~3 a( r
. R" G. [' b" R
set [trade-record-one] of self item (([who] of customer) - 1)
. D$ E/ U2 R4 T, O1 [* t[trade-record-all]of self6 ~. b* X4 z! K: s8 g
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self# k$ w- Z: O* ~' A2 U, x% W) ~
; P* I) |2 } ]2 D
set [trade-record-one] of customer item (([who] of self) - 1)
, j. l* n; k5 M& j% j[trade-record-all]of customer
7 H' @# F& `! c) y& g7 b9 D$ [
/ O" d! W, y$ R7 H+ e7 G6 C/ Fset [trade-record-one-len] of self length [trade-record-one] of self' S/ V) ` J1 L
$ f" P6 |. o+ F3 |& z4 i
set trade-record-current( list (timer) (random money-upper-limit))( v/ [9 ]. ~6 i" a% j
5 D8 U: w1 C( gask self [do-trust]
5 k2 C4 R6 t1 p7 {6 ]' G;;先求i对j的信任度
2 ?' L; O$ d# l. O b/ I7 Y8 y7 [. Z
if ([trust-ok] of self)) k. {3 A! `7 \
;;根据i对j的信任度来决定是否与j进行交易[4 R Q* a+ A0 H( s
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself# A" F0 ^! x' Z9 B! ]& z: _: e
9 X! x1 `0 u! U$ X[
# j* {& v9 ?/ z6 T, Z& p' ?4 E/ ~ S6 N& D+ q9 r/ y( y$ ^! `, I6 G0 E
do-trade
% K T$ K: W$ ]+ F& Y5 Z; d
/ ~+ b/ `8 O0 _2 i0 ~update-credibility-ijl
8 e0 H5 k3 @: X, x9 L8 W7 }
) ^) c9 _+ P* r( y- s& V0 Tupdate-credibility-list
2 O& D6 X& k/ e- F h0 E: a4 ]* G
! Y* M$ a6 n3 x" w s+ L! C; [5 Y
update-global-reputation-list
: |9 M! k, a* g; V* y/ w- X7 ]
3 z- J! O( g' I F, w, u1 q lpoll-class
9 g1 \; R. Y9 N% J6 z8 m; s. ~
/ w. H8 B# D* M: L) Dget-color! e' s& X2 B4 R i) @5 u: S. N
( y8 I( G6 i& g9 u6 o6 |1 d! l
]]+ a& A1 K4 C" I+ ?- ~
/ A6 N$ `+ o" a3 f;;如果所得的信任度满足条件,则进行交易# a. T6 F2 G$ U" V# S1 w
: w ]3 I# m+ [0 ?
[* P' k/ ]; K+ x5 l
% H8 e- {' S! [& f8 N
rt random 360
5 s' T# L |) M2 Y# X* m$ S* A' a$ [* _& g5 E/ L" b8 h1 |' j; C
fd 1
- t' ^/ T# [1 F) |) B7 K8 \- X% x) J2 K6 Y5 |
]! \2 g, B& ^# G% D6 |7 h. l
+ x6 X* @+ x \2 ^% ^& tend
# Q3 E- [2 i+ x: f- `( K! j- J, J5 l/ m5 h) {
to do-trust
; ^/ T2 `/ }0 N s e% T6 nset trust-ok False
5 w2 x5 X- R ^0 \ n: i9 B I
* H! R- @" |. p4 } W/ B, F
4 w# n% f' ?; Q5 O3 B2 m, p' Mlet max-trade-times 0
% ]& H, [+ Z: S8 N; b( L" }0 c; q8 Qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
, ^& z6 Q. {( g4 u) \let max-trade-money 0
3 H) J1 s9 B8 ~ `foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
- q2 D4 {1 X9 r. slet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
4 N* t+ y: R h8 e" B" K8 Z/ }" ]: c" J
5 C) H+ s } S
get-global-proportion
( ]2 j& b7 a" t: V3 [8 r8 f8 clet trust-value) L" a) d, @8 o5 L! H: P l$ ]
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)
1 f. t) Q6 v; V+ y% Kif(trust-value > trade-trust-value)
, M7 H- h; k$ M' ^, }, A% Z[set trust-ok true]
# p9 h" }4 g2 r" D: t& @, ?9 `end0 c1 V% p: U/ t3 `8 w. J
& u' M4 \7 O8 N' h2 R# ?
to get-global-proportion
* `' @ l3 W9 `/ N/ v4 Eifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)& ^3 `* e' I5 I7 d$ k' V, t0 Q
[set global-proportion 0]
6 S* F, V. h" L* z4 C[let i 03 Y# a$ ]5 ]4 U9 z& C
let sum-money 03 H9 Y* X5 v. k1 n1 j0 x3 {* H8 D
while[ i < people]
+ c% G; K# E X3 z1 f Y7 K8 ~[
2 u; @ f7 r" v: }. K) {; iif( length (item i. C, M0 c/ w) A
[trade-record-all] of customer) > 3 )
4 d5 ?# H5 v6 m" D[! T! b+ i1 d3 {4 k8 ]. _' Y
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))0 T1 v, T# O( e# a4 ~
]
1 C: f1 V$ p% T1 c6 y]
- x3 p o8 `' W5 i/ X8 C$ O' Dlet j 0
! H- t$ V* ]0 [8 @. R2 hlet note 0" X- L0 L) i8 J
while[ j < people]! x/ K0 y: J8 t* ]# Z# j
[
4 _ L \" D: Vif( length (item i
+ C4 K! M, O" v) x( b& j[trade-record-all] of customer) > 3 )
/ q, }5 N8 g! ~, q! J$ H' D[2 |. s& X* B$ ~9 `* i9 a# F5 z
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)/ ~) L0 G, S' f, P! m
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]% t( V. w* [. q/ T
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]$ ]- D, U9 d9 H! O$ G3 b d4 w
]
/ ]8 D$ Q5 N7 C]5 J! J0 x* V) I# M# q
set global-proportion note
5 V! ~: X, y. i( Z7 s1 Y. C]
0 K- X6 E. e& R8 p: C4 `" tend
3 r% s" R: T* _- M2 C: M5 l, p/ p, a: C, O+ w
to do-trade
- u k. J, S- T* V% C* J) K. O;;这个过程实际上是给双方作出评价的过程
, L, ?/ L8 c R- o! ?7 dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
. h* z. O: t& }7 I- Nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
- B* ]" @. x( t7 }' Hset trade-record-current lput(timer) trade-record-current
* N N/ V4 a" {! x$ n0 j! ];;评价时间
4 P% m; U% o& D9 a' T+ sask myself [1 O; C: Z" r7 }4 J
update-local-reputation5 _" d2 I: h9 F, `
set trade-record-current lput([local-reputation] of myself) trade-record-current; V! E% s$ I/ T3 [ P4 ?
]
" H8 Q" N4 B3 w9 U' fset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself0 Q+ e+ `; F! E4 O6 {/ f: ?
;;将此次交易的记录加入到trade-record-one中
9 `+ ~+ }& w' e4 e) M+ Zset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
2 J* z* ?0 t% R b" O7 F" R. T$ B5 Rlet note (item 2 trade-record-current )% Z B, F! R, \8 X# b) p
set trade-record-current
7 `# e9 l! Y, A1 e& l7 V(replace-item 2 trade-record-current (item 3 trade-record-current)), D3 Y; j: q1 W V: F0 E
set trade-record-current
$ t) j ?3 f, A9 ~(replace-item 3 trade-record-current note) W0 P& U- o& {1 e
0 p# b: _! x- X
& s% j; Z0 O( ~8 Y: Q' X
ask customer [
# G, n% k+ ?2 E0 r/ u7 wupdate-local-reputation
. X0 {- x0 W$ M, g3 oset trade-record-current/ t) D( o. w! E
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
' j" @" K& k4 A7 H/ N]
: n' |9 K+ S( Y: i1 F- b0 ?' G4 F% p
5 \# ~$ ]9 x( n: B9 h$ X% Gset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer8 p# b, n; V7 }8 {, L4 _9 I
& A8 q2 U& B/ y3 U
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))% a- _- S: T5 M" V9 i( o4 m0 y4 \
;;将此次交易的记录加入到customer的trade-record-all中5 y3 ?" Y; N; y& D- ^
end
5 O& q$ Y; I/ A5 B1 G3 ~' }. t: X5 ^9 T, _0 I" I
to update-local-reputation$ ?3 ]& D* V+ @( W' N) Y
set [trade-record-one-len] of myself length [trade-record-one] of myself
+ k3 _3 S5 v5 z3 e5 q- y* O
8 |& \6 l3 p& T" t, g, S, B* U) @/ v# `) s# k7 n/ S
;;if [trade-record-one-len] of myself > 3
2 V& i) A2 s; Kupdate-neighbor-total' v3 ^0 l' Q2 S% l/ M; o8 l
;;更新邻居节点的数目,在此进行
9 Q0 o2 c0 z5 }5 b$ ~+ nlet i 3
# @% ]/ i) E8 _3 elet sum-time 05 F: q8 Y8 o5 R* |
while[i < [trade-record-one-len] of myself]
0 K+ }: s) K( E; {; y! _" d[' U+ }- I; e) g" l$ T4 f/ L& n- v
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )8 }0 W5 H! R. b/ V5 p C
set i
) r; m" Y" `! G% F6 M3 }& ^5 z( i + 1)
: A5 O& P* ] ^]0 g! t- n3 [6 n y* y( v
let j 3
2 `& F1 m, F) @3 @# @let sum-money 0
3 X8 `& z) L. }" t/ Dwhile[j < [trade-record-one-len] of myself]
5 H# U, w7 X7 t0 A C7 S( R[
: V: N" C( u1 h. r+ [: t! k Gset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
0 ] ?# ~9 O P0 | Kset j5 [- a) w2 u8 O( m ]' h" c, |
( j + 1)
m- M* V4 q. R/ K]
( l0 F% U! v; o jlet k 3% [5 x9 O9 J) U3 W
let power 0
; `5 i; G ~7 f( Z9 _1 x4 blet local 0
! k- s, D }7 U6 B% Y% J- awhile [k <[trade-record-one-len] of myself]
- d7 G- L6 k8 ~# T[
$ l7 g U/ v. q0 ^8 b# oset 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% q" k- f! V
set k (k + 1)
& A" o) ?, ` y$ S* s]
% N. w9 G K1 O) b) [1 Oset [local-reputation] of myself (local)+ p8 _( M* A/ I- g# L
end) C' B* O5 Z1 Z4 T9 W$ F
`- D! B* `) @6 o% Q1 Yto update-neighbor-total
0 i" g( b' i2 w: O+ q# E) ^; ]1 M6 u1 g ?
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
! i9 H5 Y7 n7 r% W) R5 T2 h* L, o# n/ H. G% V
1 \; a" v5 m7 ~1 O0 ]end
) T1 B! l W/ o7 ?! @( C! {- D9 v5 i; r; k7 [& C' J8 F! Z
to update-credibility-ijl
5 n! J, H. i: p& @, C3 K' Z9 O0 i$ q! g# A* s! s: d6 K
;;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。( R5 F4 W, A3 S3 N5 S5 P% K
let l 0
7 v4 ~2 ?; ^9 _. ]7 `while[ l < people ]
9 i9 r8 j8 k7 N4 c;;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0 e7 P4 ~) D+ c& e1 s* j& C2 b3 }: K
[$ n+ m# p$ K) x% Y$ M/ m
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)7 U; r8 p" z( t5 }0 o( D7 o
if (trade-record-one-j-l-len > 3)2 w5 P6 j3 x, d2 b1 a+ C- p
[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- c( d" p6 P9 n8 j
let i 3
- d+ Q6 c" s2 r/ u/ s4 l! {let sum-time 0
* Y2 v& a9 G/ P4 \2 }while[i < trade-record-one-len]
) C4 g: ?' j7 L x7 e0 ]$ t[' u" i. R$ R" u3 u* F3 D6 b- c, T: G
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
& D: D9 R! U3 _4 N% uset i
: m& A& e8 L$ |" b' V' M" v5 Q4 @( i + 1)+ I, a; C( c1 `+ J. n
]6 Z( Z! U( q- |# |* g) K# ]6 W7 k) m
let credibility-i-j-l 0# h3 f# e9 C3 }0 Q$ _/ N( L
;;i评价(j对jl的评价)' [" Q* L. X* ]* x5 k) M+ h; [
let j 3
2 k/ o* J- n8 o9 {! y$ C0 Qlet k 4
1 H7 W" ?- G, n6 Nwhile[j < trade-record-one-len]& F2 u' E; @$ k0 q
[: u* d* Q% w" m8 l8 y
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: K( T# Z }. }9 y1 ~
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)# J3 Z/ I0 I) o# D
set j
& o& r8 l5 c- f' ?& h z8 X( j + 1)+ W/ x/ N6 j8 ?# J+ F/ O f
]6 |7 C; y/ k& W$ [/ \ Z4 z6 W
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 ))
* ]$ d$ o" E/ t/ S% }. |* j( R ~6 W8 Y4 s( Q) v: n0 r
0 S" C8 c7 x0 Y. d& K$ `$ J! d% ~let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
) Q4 O- h3 n: P! l r: I; R0 ?;;及时更新i对l的评价质量的评价% x+ x; k* d: u3 r8 V, J
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
$ c( |% k( b/ |& I0 pset l (l + 1)
: O/ c' m" P2 n' j; o]
1 o0 l6 E% Y) m& A# a" gend
/ ~+ m0 h( b, v7 _5 B; O7 l+ H: P/ D/ v7 ?
to update-credibility-list
& T' W Q8 l6 ?+ B% Y0 L) Qlet i 0
. Y) Z4 T- @% Z7 _- F. G" rwhile[i < people]
2 H, F. m) T/ p4 q1 v* u" b[: x5 @/ @2 |" h# m# ]
let j 0
$ D" K" z/ Q' B0 S* |9 u0 m1 V; }let note 0
2 }5 \* r& {$ Y2 G/ Llet k 0
/ C& n% K: f+ a; \: J X;;计作出过评价的邻居节点的数目. f+ }/ h5 t6 s: i
while[j < people] B" F2 C, M+ s O* k+ T; G- c% g! g
[2 `8 Y0 t- q, T+ ?& K
if (item j( [credibility] of turtle (i + 1)) != -1)! @7 ?) n" ]# p' Y$ l6 |) Z) e
;;判断是否给本turtle的评价质量做出过评价的节点
" |" k4 @7 r1 ]: B; Y4 N( c1 G[set note (note + item j ([credibility]of turtle (i + 1)))& l6 X' ~7 s* n( |
;;*(exp (-(people - 2)))/(people - 2))]
c3 x& @/ U) ]' R/ E/ gset k (k + 1)4 n5 H' Y6 m+ f, E ~3 R
]
4 _6 X% z2 N1 h0 R4 v, y4 x9 K8 Fset j (j + 1)9 e' b5 k# o9 `4 P1 o. S
]
; j" x7 Z* z% ?set note (note *(exp (- (1 / k)))/ k)1 P; X7 F7 G/ Y- y$ Y+ N- ^* O3 T
set credibility-list (replace-item i credibility-list note)
; h- W w$ j" z* B- C% ] ~8 D6 E# f! oset i (i + 1)
) m8 l% M+ d! e0 [+ y4 l3 L& T9 a]1 D0 U: V. }8 O: M
end" Z. L4 D+ F4 n6 ~! k
2 b6 m( V" i' o. p
to update-global-reputation-list
" g9 {0 R& [: u4 ?0 klet j 04 _% i9 O" a6 h* u/ |
while[j < people]
( l( f1 i( j/ C[5 B) h/ }' d9 R! u+ ^: e* W
let new 0& X+ d6 F. t! }: D" g% \3 }
;;暂存新的一个全局声誉
- a0 I' X: u' t$ Z# e# Plet i 0& l9 q' L: Z0 G: x, V% T
let sum-money 0' N( _! Q# S8 K, z
let credibility-money 0) E% n4 [' Y* Q: D
while [i < people]
+ }% _' ^0 L. O& A[
; y4 H p, u. {3 Qset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))): H( u& i1 D, K5 D( }2 H1 ?8 s
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))6 M, @$ l3 a) _' |# `3 v8 Q
set i (i + 1)
9 k1 G* B* f# A8 b- y# Z]
' n3 c+ C% o% \0 x$ k8 elet k 0
: c5 X" G5 |, C' R% d; Wlet new1 01 Z8 f) N; W3 ^% S. T1 M# j7 r) A
while [k < people]' ?+ s# k( n# G" k- u& Y) i1 k
[
/ b3 K+ p" f( K# _3 x: C A3 bset 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) t$ D' N: g5 r6 v$ P
set k (k + 1)+ M! _# x/ S" B% W; m" |
]5 s) W- t$ y, g+ G0 {
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 6 `8 v5 F0 o( }' H4 y6 i, f
set global-reputation-list (replace-item j global-reputation-list new)
( ^# s, P9 ~7 c9 X4 ]7 V( pset j (j + 1)
* t; l$ s R. l6 Z' m]
9 s2 s+ | X8 }; B6 yend, Z+ O2 r& Y- U" ^* W
/ J f& r+ z# z/ i
: b% @& _) s) w# S+ J1 e* g* ]& p: v3 ~1 V! R9 w! e7 }" {
to get-color
' t( y) {6 d% L& j, P3 h& j* K
: S; ]/ q* N6 e6 z4 [- D' u# Cset color blue; Y) F" z' X& T# m U1 e
end J. t0 Z1 s8 L0 `
0 `5 G$ n' B$ k
to poll-class
& K3 d0 f* w! m; w' iend" Y. m% E2 Q1 d
' {% S' B; f3 l" ~" t( L
to setup-plot1
& Z$ ^. \( k/ y, f' Q& r+ X w. x G- [4 r+ M
set-current-plot "Trends-of-Local-reputation". u' Z/ |4 s( X8 E; C1 a0 q' c! d
- j; n8 O& V5 G6 eset-plot-x-range 0 xmax2 K ^+ P$ V( C) R1 p8 i5 Q
6 J2 w+ j' b* D* Q/ G9 E" {set-plot-y-range 0.0 ymax
* \' A0 P: W$ m8 |* C! [0 `' {end4 b1 Q" a7 s' D8 R6 }. a/ V
Y' h/ a* J: @9 Q) P) Y
to setup-plot2
/ p! s8 M1 W5 \5 B% A3 D: P6 S( y& }: U) e! k; A# C
set-current-plot "Trends-of-global-reputation"/ i+ J3 o9 B, Y" g4 X! j
4 X4 W$ K% i# }set-plot-x-range 0 xmax b) r! l: \( @, \9 {* S* e
- c3 H5 M2 a" ?3 x- h
set-plot-y-range 0.0 ymax
, o9 }( V' m) W! c' ~! S6 ]$ y Send
/ s6 E% M- d4 v
# f: ~. X+ T3 V, ?+ d3 s, a: hto setup-plot3
8 E) |8 `& {6 ^6 W1 c$ z
9 a$ j7 d( r4 ~set-current-plot "Trends-of-credibility"
. i1 B6 g+ Y% K9 U) @4 q( _5 s
- X6 T' V, J- v0 P9 l7 oset-plot-x-range 0 xmax6 J- O u+ e/ I9 D( Y' ~, F
) y8 j+ f! ?- M4 E; q8 r+ }7 h
set-plot-y-range 0.0 ymax
' G0 H# K) S1 v3 E3 W4 Gend& s5 A+ g4 K' u" L
Q$ n: t. o8 e
to do-plots: C% p3 x2 } @' t
set-current-plot "Trends-of-Local-reputation"6 L7 @# e: _" |7 [5 T
set-current-plot-pen "Honest service"$ P+ B8 m+ `2 \- w6 P. {" w. G
end L; k: c# A- g, d+ R8 A& E
6 H$ O) w$ r8 X$ W
[ 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
|