|
|

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
! |6 f( p) n& F/ T) W* uglobals[
3 @! ^/ i: R6 U6 Wxmax J+ y' H# Z1 Z' ^& Q1 K
ymax l" w# [( L E* ^1 s8 T/ Q
global-reputation-list& _4 m9 L5 @) C( Y% _5 [/ c( S
# g% B; D }# p8 i& D3 v;;每一个turtle的全局声誉都存在此LIST中! r- V; S5 ?# Q# z" `* I- t
credibility-list
3 j' p/ y- Y2 A# G5 j; P) ~;;每一个turtle的评价可信度
5 l0 K: L, @9 ^ H f5 X( Fhonest-service
' R& r5 r& ]* ^- Bunhonest-service/ q" k; V9 Z9 b3 I
oscillation
; s% e) G8 A. Y: d) V5 \# srand-dynamic% V( A7 i7 V( P0 N, U2 M# h" w
]) f8 i8 l0 z; U
4 c* f3 X" D8 a2 A
turtles-own[
- e7 f8 n; d! E1 Q+ b D4 K- O+ jtrade-record-all
& N3 r) J% P8 ]' V- T5 X;;a list of lists,由trade-record-one组成8 w$ M3 I6 C4 O6 j& D
trade-record-one
- |7 f: D/ B' k9 \$ S;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录' q% h6 M& r! h
& q$ b" r, U& G! U- f
;;[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]]: ]; b8 O* S8 n3 S/ U. T
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]% {6 E. E5 L! k. ^2 S% G8 v
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! a/ B# D$ o* e8 j
neighbor-total
: {/ E; O' ^" x0 T- W;;记录该turtle的邻居节点的数目
2 Q7 _ n3 V# ~ I! e1 q& @trade-time
5 P; k( {1 ^( s p5 L; O# M% V;;当前发生交易的turtle的交易时间/ |! j4 T9 g1 m$ l: D
appraise-give0 k/ U. P) D7 B6 u" {# p
;;当前发生交易时给出的评价: [) U, C8 p5 \; n' Z: G# f
appraise-receive
) ?$ s4 \; m( ^ N7 X6 p' S;;当前发生交易时收到的评价2 J7 k1 w# R8 p1 Y
appraise-time
4 M7 u% u/ ^: t& P, W, l/ _;;当前发生交易时的评价时间+ v0 a0 C$ T/ ?3 @ u
local-reputation-now;;此次交易后相对于对方turtle的局部声誉, q: [! G; f/ {) l% k1 ?- f$ h
trade-times-total
! t- G* C! F1 \: b/ |;;与当前turtle的交易总次数
9 ^. P) `8 T# ftrade-money-total7 a# Q5 G% O* Z, k
;;与当前turtle的交易总金额
3 Y4 z6 V" p6 V; Plocal-reputation) |/ p# G. a" D0 j, O( A g
global-reputation9 p3 ~/ }" R/ t- l
credibility* ~2 b8 {- b# @3 M& r+ N
;;评价可信度,每次交易后都需要更新 | {; ?6 O' ^
credibility-all
' [- g2 a" j' _ N% [;;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
* S8 Q7 Y! j; ~/ A" R3 t w( \- b6 W( ?" f9 I" X- g8 A* s( Z
;;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0.58 Q7 D0 {1 c+ k, ^" I: g
credibility-one6 `5 E1 `1 f1 Q- O0 Z5 V, ?( l) u
;;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
6 |6 D3 d+ E3 U+ P6 ~1 y1 W* Qglobal-proportion
: Q5 Y/ p) H- U c- C3 ycustomer
0 p8 n7 z/ \0 _0 C- z. c# @customer-no$ ^" n( `+ x* q- y: g
trust-ok
& v* s+ x7 s- T5 F' xtrade-record-one-len;;trade-record-one的长度
8 U. W6 i& O- Z7 t$ ^' j" p]% \1 _/ V& q# ^; \2 y( e
5 C9 K7 |3 q& K7 p;;setup procedure
: O$ s3 ]7 W* J* q& s$ }. E, {
: Z4 ]0 d+ U% E Sto setup% {4 L# H4 z: T* `
/ r9 J- {1 e$ {3 t) `# g, E% lca# N& s$ l8 O9 ^1 x7 E% k4 Y
6 A0 q4 Q/ a3 ~7 c6 j* t
initialize-settings
4 f/ Y) n( K1 Y+ M( P
) c( i+ U9 H; T4 c: hcrt people [setup-turtles]
: x' s A6 Q# E
9 f3 }9 v& l/ W treset-timer. V1 x. f) a$ K. o- @7 N
2 H; \& M: u, P7 y% x5 [2 K, lpoll-class
7 Y- v+ U" v+ ?! z" o' H0 @& C: L3 o" c" U# s8 K* D+ P. a
setup-plots; ?" T! c$ x* ]( D
' ]2 `0 t! j8 G. T, U; ~& `$ U& Mdo-plots
* |( a4 u; `! m: Lend
1 R$ d$ _! S2 s( S
5 T# h0 i% E+ S* k6 L2 y1 x+ R# kto initialize-settings
: [ @6 P- n8 o- m; L2 P7 d, v7 w9 ]7 z
set global-reputation-list []) V6 J6 n% s4 [- k: Z) t6 p6 l
; d! Y. T" X$ r( L9 n: F& l
set credibility-list n-values people [0.5]/ e! n' A( f, k) o6 l+ s
" e2 Z* n% T! e' m, K8 L
set honest-service 0
6 v$ w8 |% v( R% V
; s/ D% _8 C: d( w7 Nset unhonest-service 0
0 d; W8 |/ H+ z2 i8 ?, a
* r0 ]. z' j2 j+ J1 G2 K+ Yset oscillation 0: i- N- g8 n5 K+ ~2 V3 D* N1 I: N
* G4 R$ i' d- L( p- U! L
set rand-dynamic 0& P: n& U; X3 ]# e1 C; a
end8 W- v( p8 y9 q* \6 W. X8 v
0 t5 E! C( B% g$ Z: |to setup-turtles
$ k7 t& Z$ S, O% v% y5 ]set shape "person"
5 ?3 _0 z' M5 d- J/ W! `. Z% Fsetxy random-xcor random-ycor( H/ k/ F7 a$ j; R
set trade-record-one []
/ t: I# R' d! V2 E
6 I4 `) {! `" G1 g- T/ zset trade-record-all n-values people [(list (? + 1) 0 0)]
7 l- d; M, n% {! G/ d p7 q+ S \4 e- U1 e* j1 v7 V
set trade-record-current []8 z2 x4 \9 m8 f, r. q
set credibility-receive []) W4 B1 s) v$ \( P5 T/ d
set local-reputation 0.5
. e* t6 N) Z: a+ g& ]' Yset neighbor-total 0
/ C0 d& T: b T& a3 zset trade-times-total 0
3 J* B. w" M# Bset trade-money-total 0
2 O1 t9 u6 }5 s m- y, oset customer nobody
4 n6 C; f8 k" p, l& {% }4 P% @set credibility-all n-values people [creat-credibility]
1 e5 u( f0 u( {4 P) W2 N) iset credibility n-values people [-1]
% b. m! Y% ]9 p, Gget-color
# _0 h" k& d7 s% V& L6 }& v" s# J6 T7 C5 b3 ^ X
end
3 X7 f. L6 F- t1 b! M/ x
" W# m* M) Q- z+ Zto-report creat-credibility2 U& Q* s" m. p
report n-values people [0.5]
- o& a- Q9 r$ n+ {) |/ O# T. kend0 l: I# V& ]+ E3 x
$ X0 E5 J! u! Y$ b5 V2 Q, V- L7 g) o
to setup-plots! |, r, u/ l4 _. E y: u3 v( Z
8 J& @& V8 L* t) i
set xmax 30
! Y; I4 ~- D3 h1 h& V; f+ w3 Y* O$ _- j* a% ]: V- x7 x
set ymax 1.0
o; k' K9 X+ n. e8 L* O( K0 B' U. U2 n: {' U
clear-all-plots
% a: E1 D$ }9 \8 c1 l* W5 g
. w9 ?0 ]6 O! w6 X. _- ]2 zsetup-plot1+ O$ E& O! F, D8 l$ ]9 i; u; t& ]
9 m' {, {6 e/ {5 w l Isetup-plot2
/ i' Z! m4 t" E
" }) X. [. r! S7 z- o* |setup-plot3
0 C# Z7 H9 i6 C' r; Zend
' A W) z. i7 M4 C, x
6 V1 F( B' ?4 w/ t- V" n5 X/ s4 O;;run time procedures+ {# h/ S2 p. x! u9 g" G9 m
7 ^% ~+ v4 @3 {! m: d' B& r" C1 B* g5 x
to go+ d- @8 }6 f( V3 O8 \
8 b ]( |' c* iask turtles [do-business]
) y, W Q$ e S* J7 |5 |end" C% O5 I' O- y/ `' r j9 p
! @6 K9 g) h$ @5 b: v3 x- q% M
to do-business
, F3 T; x4 z5 ]# J+ n8 B7 N+ E: ~2 t7 \
" t0 b& M( k$ @8 `rt random 360
) d, u. O. Y! N$ N# U0 h W/ P" d! U9 B! Y/ o0 Q
fd 1) V( [2 {2 s" e+ [5 P
) V2 m5 f5 h9 u' } J. v! W
ifelse(other turtles-here != nobody)[# |2 p1 C7 {, Q2 X+ z# S; Y/ Y
+ D: L5 }& n. S5 {! A$ g
set customer one-of other turtles-here
O+ [8 i% O& A% }. c0 P @' Q* R5 g+ Z& @3 M
;; set [customer] of customer myself# u2 v- f( b+ N* C- l" t, M+ u( k
5 l+ r q. A/ R$ Jset [trade-record-one] of self item (([who] of customer) - 1)3 D" W9 |: _6 ?3 Y7 A
[trade-record-all]of self+ j4 n- B9 `9 V" o! e2 V
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self) J+ J" s' K8 R5 X6 \
7 {, K0 L1 |, u7 X6 G
set [trade-record-one] of customer item (([who] of self) - 1)
9 D! |* h1 Y$ R! y: K, t& [* f[trade-record-all]of customer# h+ v9 i$ I2 k/ B1 K
! c1 v+ p# q( `6 n; Bset [trade-record-one-len] of self length [trade-record-one] of self
% ]9 d+ c' R1 H# C0 T8 C- `4 h' K& j& `
set trade-record-current( list (timer) (random money-upper-limit))
4 d& f0 l" B: n
: K9 B% w; m1 H# ]& W$ n( z* A1 Z7 Iask self [do-trust]9 ~* x6 {9 a) a0 O
;;先求i对j的信任度# ^) d9 x/ o% _5 { \
5 a- w6 [0 d6 ?( R- w& w: \" H7 Oif ([trust-ok] of self)& l. [4 |. n1 A9 L6 K
;;根据i对j的信任度来决定是否与j进行交易[$ O3 C& p v3 @: p- ? u0 ^
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself& q) f2 d5 t+ Z) H% [, a
" }, O. j7 b& E# D' ? b5 w" v
[) J! n- @' S( n1 _+ c w o
( \8 D8 `" S5 H3 n4 q2 e0 Fdo-trade7 n% b+ r/ K1 N _2 o. o5 R
) v. O$ N* V* T" L7 Nupdate-credibility-ijl
4 n! B* k/ t; f% |9 v+ A) d: L/ S7 C; Z5 E7 O4 N7 ~) X% n
update-credibility-list
4 \ p, Z# j' V$ Q9 o' `" B1 V3 P- e# _! v
% l. N/ h- W; d7 ?% J& g2 X" a6 x1 u
update-global-reputation-list
7 D/ x. `9 m1 i; l' s
# a. ?: ?5 L# y+ ~% b) c7 R' F N rpoll-class" Y2 u% i( z3 P9 i
5 p* B- L; m, s' Y
get-color- t1 _/ ]+ ]& I& J. j
9 n2 a. a1 b+ v( y5 H* U]]: x. q8 n& x) |% Y$ P4 x1 `/ W
, d- }3 F3 {7 U
;;如果所得的信任度满足条件,则进行交易9 E, f( }9 L9 d. ?9 Y7 |
{# y4 Y% ^. X3 V# Z/ t[
0 i1 o0 g, D9 e. n& U4 J
. R+ Q2 O/ [' @3 s5 i/ z$ Hrt random 360& M0 p1 w E2 J8 V6 v* v/ Y3 P
* ~+ I6 Y7 g J1 F7 k6 ~
fd 1
- k$ n6 @8 C {# O9 F1 A* _& L+ V! I' [* E H% [, ^
]2 j) c( g! w" Q6 a- D
% }+ z! J0 F; L
end
! r! ]. r: }: X; |8 C/ w
3 `3 E/ K; @5 p% f0 tto do-trust ( y* L5 x6 s* ?3 m
set trust-ok False9 X$ I4 `+ w p" z O
# B3 z7 s! u |; Y5 L) f
! O" U, w/ x9 i" o( [
let max-trade-times 0' H* @ p+ T [$ l8 b$ @! x
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 h8 v# J6 r- m$ T+ D
let max-trade-money 09 z- c2 }6 \( x& r: Z0 I% i
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
; R2 K! ?2 V& X" [! `8 Ulet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
' w; a) o1 m; m* q7 y' j
8 \1 \5 H* u" E1 J1 D
2 o) B' H6 F0 ?+ X P# [+ Fget-global-proportion
1 {! g7 E7 S' qlet trust-value
; s, O1 T8 z* ^, i( ]; ? Ylocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list): o# Z6 v7 w' B
if(trust-value > trade-trust-value), H, V/ L) c8 R, _
[set trust-ok true], B* X0 ^, z) X0 V) ~& r$ f9 [
end
& {( @" Y/ b. j h, N6 N
$ H5 l6 U( t& }3 I. F6 O! vto get-global-proportion
- ]5 y9 W1 w* h" [* `- w, b `ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
4 p% U( b0 F) r- U. j$ f[set global-proportion 0]
. {9 L0 l; e% X0 L5 U4 P7 L[let i 0
4 W* Q- G- j; ] M# D1 vlet sum-money 07 v- L. A# ~8 a5 v# v6 }
while[ i < people]# Z2 E l/ q. F3 s- ^
[
# A2 K8 Q4 v6 h9 vif( length (item i* i/ J4 @1 D n' \ X& c
[trade-record-all] of customer) > 3 )
' O) b2 c$ m u0 w. [[! d! {" \- q T# x# a4 |/ Y8 t
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))+ D3 v/ P$ o/ y6 ]+ n
]0 ?+ E, K0 d6 v6 n/ _0 R
]! {# H, U1 C' h6 u/ S2 I ?
let j 0% ~( A- M0 C# a
let note 0! R! O+ h5 e* k/ N6 s9 O9 S
while[ j < people]. O5 b8 c% b8 ]. `% A6 |
[4 ]1 ]7 F, n" K9 l, b$ x$ a+ h
if( length (item i
1 P% m1 V& c I4 Y. b7 k0 G[trade-record-all] of customer) > 3 ); `) O' ?- j0 c: b% F4 B. w
[% Q0 U* `. z9 U; F
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)0 W: b, C' Y9 j* c
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]- @6 H4 n5 `9 F- P) `
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
/ q6 `6 J- h! G/ V, N3 Y]
* U4 {, x- p1 l8 R1 D2 T]
' N% U6 m& M' n: Q; Eset global-proportion note
2 W2 l/ a! M+ _; ?& ?], u, ]( ^; J0 I" l% c
end6 a" J( k. V+ f8 t* h+ o7 C! R
" c* w+ R& ~8 Y* V4 j7 J8 j% @to do-trade
" p8 \+ V8 D; ~0 y4 O;;这个过程实际上是给双方作出评价的过程
' R0 \8 G$ x# i/ p) I: Q: Kset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
9 ]; b9 j: p3 Z* fset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价 i9 r3 G6 C( n% a/ G
set trade-record-current lput(timer) trade-record-current
* z# j$ Q" B/ E- }# K$ O( {- E;;评价时间. ]1 c0 o) b6 }* Q0 R _
ask myself [) u7 s( t! f% S
update-local-reputation
' B6 v8 o1 {* ~# Q1 R1 y. @5 B( D- nset trade-record-current lput([local-reputation] of myself) trade-record-current
$ K! r! y) H$ R* t]# _- P) I* ~+ f v K8 v* D
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
+ _0 A6 z7 X1 d n7 R;;将此次交易的记录加入到trade-record-one中; N" X% s+ g* x; F( K
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself), P. S6 X8 B, P w! l
let note (item 2 trade-record-current )7 W, n9 c. C- |8 L" d
set trade-record-current: h. c! s2 O9 Y! h
(replace-item 2 trade-record-current (item 3 trade-record-current))+ w* Z/ O" y3 g0 c) Q% ]; w
set trade-record-current( q; b3 m, {& z1 q$ X# }
(replace-item 3 trade-record-current note), ~: K; j/ A* _: P; n0 b3 B
9 Y4 G0 O. I, ~) _- U
$ P) u4 F4 {+ V' D- F0 o
ask customer [
1 F9 G# M' e supdate-local-reputation/ E- l* J ?, h& @
set trade-record-current
2 r: j* w! ?2 `) y4 i) u/ o(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
( M7 N1 ^# `# @$ L. O]
3 B4 f2 n$ z& `2 Z: l: O1 g& Q7 c6 \6 |9 a% V1 P s9 }
% `! \7 y5 k9 M, K! C, t: F4 L+ {set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer* {" h# s( a8 |8 \
0 o. k% _' b$ o' P9 L8 I3 lset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))2 H% |2 T4 }! E" i$ ^9 E
;;将此次交易的记录加入到customer的trade-record-all中/ M, t* s( P8 c: i1 I9 A
end
- D0 U' J6 i5 I K- d5 y/ |. M, A6 H# V2 C$ M
to update-local-reputation) z5 n v& g, C8 u* e
set [trade-record-one-len] of myself length [trade-record-one] of myself
3 }/ m2 b2 J. P
' @8 c8 d" T) T, A7 R. L7 ^
/ S4 a+ H( Z( n;;if [trade-record-one-len] of myself > 3
# e; `. i$ C' L- f6 f6 F1 M& iupdate-neighbor-total
9 m5 F/ b( u7 q0 r, C ~;;更新邻居节点的数目,在此进行
) L' o8 Z, s8 u1 {$ ~ Olet i 38 K ]! I; v8 C% g4 H
let sum-time 0/ L$ T( B+ I; D( y8 o
while[i < [trade-record-one-len] of myself]
$ Z- A0 A$ v5 v# ^4 n# d[
! S1 k# n; ]/ j. gset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
: q# F3 h, Y7 ~8 |* v$ `% F+ P, Wset i
' f, N3 I' a' }( T# O. Z% [$ B2 x4 @2 e( i + 1); P6 k* P/ Q) Z% w
]
2 Z2 T' n" r5 k: _& }) Ulet j 39 D3 R Z% b, r% o; Y5 B; b4 Y. I
let sum-money 02 [$ a- A- R0 t5 z! z$ ]9 S
while[j < [trade-record-one-len] of myself]
T. g2 S" \8 e# s% F/ F% E4 B[8 A, Q* j8 m7 ^& w3 K& ~* V7 M: J$ h. w
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)$ @5 \4 Z& j) _3 z* t6 Q; B/ _
set j
0 ?5 O' {. V: }( j + 1)
1 n6 U8 ^ H- k2 X% @]& y# G8 ?8 q3 E4 y* w$ `
let k 3( r7 ?; S. D: R+ e$ o' S$ o
let power 0) ?( K# r2 R! G; ]0 L0 I8 e
let local 03 ]/ Q( a+ P) D" z1 A* V5 S4 J
while [k <[trade-record-one-len] of myself]
" {7 ~( R, m) f9 k: W1 G[
9 R8 _; n0 I0 g3 Aset 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) 5 S, \/ [+ O5 q
set k (k + 1)# _& Q1 y0 s, o! W
]9 }* e' i# c6 R2 w
set [local-reputation] of myself (local)
# d5 Z6 w; b. X2 v8 F. r8 X( E2 uend% w' _( F/ ^, `# `9 S! t0 \
4 K3 `! e; S3 {& H% S. yto update-neighbor-total
8 Q6 w) j* \' C& E& r, y. h: {% r: D! G0 ^
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" R$ L% ^) I0 M7 t" M
$ [: x6 ]7 Z: P2 p! G. |2 @1 }/ q7 o
. L' P" O0 x! P: s0 Vend
+ h: T7 T: q/ S
: U! V+ @: R; mto update-credibility-ijl
; a* [% r! J7 }" S$ W+ r2 v( b- f' \1 d- Y3 s/ U+ @
;;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。# k, b+ p# y1 r' [! A
let l 0
, Q6 q# d |- \, A! Bwhile[ l < people ]
* e' ]7 N0 J. C7 O6 I+ d$ G/ H$ y' {;;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2 m4 {% X6 j& B, H
[
' v7 F! `1 t4 E8 w! q9 @4 a Qlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)7 E! @0 O8 \' y, @3 P1 q
if (trade-record-one-j-l-len > 3)& V8 z) M E. J7 A5 D! N1 h; 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
0 r% _6 G! q4 nlet i 37 Y& V7 \0 l$ R) m3 x( ?7 W6 \% D) |
let sum-time 0
$ n! Z% v8 ` A- t3 Q$ o9 a0 g" }: xwhile[i < trade-record-one-len]" t: i/ H: V% C
[
" @5 g8 j2 y$ `7 bset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
( D% G) E/ N; @0 l" E$ @8 qset i- l c9 ?1 b7 r
( i + 1)8 V# J% O" Q; L6 R, f) x
]
, W9 ]8 t1 E3 M# p5 ~$ Vlet credibility-i-j-l 0- {; }) l1 g5 ?
;;i评价(j对jl的评价)8 b" H. z% X/ j9 h7 C% F9 @
let j 3* w! N% M* z3 n& f2 S( Y$ f
let k 4
* j9 y+ |9 ]5 F! i8 C6 ~/ @while[j < trade-record-one-len]
8 A) R2 u4 _' }3 a[
7 O; L/ |6 `" N0 L' n& D( Fwhile [((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
# z; R# ?& S# U( b; A8 [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)
- d! t F' h8 U5 ^set j
$ ]# ^1 C4 H( i, e( j + 1)
4 N4 ?( [3 l, L/ c]) M$ N7 i2 v$ K$ H" l, K" b6 U
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 `, B; O$ {) ~, Y
6 ]: M+ O8 }0 O' v \6 ^3 K9 i6 {- s. y7 d( Z
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
& z0 G; F' k- \0 A2 \, f+ k% ~ b;;及时更新i对l的评价质量的评价0 I N8 K2 W v. `7 f
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
3 ?7 l+ q. |* E6 [( D7 f7 Oset l (l + 1)# G$ b! F; J! t; l
]( R8 g T# o$ [9 j# z6 ^8 r
end
9 m4 v; N k3 ~ [' C$ y
5 k4 `3 R8 [4 j9 S+ _/ I$ Z4 @to update-credibility-list
* f+ `! n/ u0 [. G1 ^6 v/ \let i 0" Z' w+ f% l) Z; D# [$ l8 ^
while[i < people]
2 Q% v+ d4 g3 c. v[
2 c. ]6 k0 u6 w. k8 m+ F/ qlet j 0% P z4 u8 F7 \* `0 r$ v( x! V
let note 0
9 j3 u6 Q; e$ A5 K0 r; j; W* Klet k 0+ l+ ]( f* B( n
;;计作出过评价的邻居节点的数目
0 b# k8 b( [( M k# ?4 {2 ~while[j < people]
+ a- d" M, H& b3 V2 Q5 u[
/ I& ]2 f# ~9 O/ u5 cif (item j( [credibility] of turtle (i + 1)) != -1)" J$ d# w. E( d8 Y
;;判断是否给本turtle的评价质量做出过评价的节点8 X# x3 s, V3 v7 I4 |% M8 B+ j8 R
[set note (note + item j ([credibility]of turtle (i + 1)))
* E! H/ h1 X, E( Z7 j3 z; T;;*(exp (-(people - 2)))/(people - 2))]
# f! T6 \9 t7 D. W( U! wset k (k + 1)
* Y, j5 ]" _7 T2 K. [; I/ e]
; o+ e2 A* b% y9 R& G, {set j (j + 1)
7 }0 c) B: f" x7 A]6 ]- ^( s& l/ s) h
set note (note *(exp (- (1 / k)))/ k)
% T4 V" r/ a# z$ w( J7 D& Rset credibility-list (replace-item i credibility-list note)
# I- J5 x7 M9 H- e, ]% ^, o, ~set i (i + 1)
# z8 x2 l. d5 d+ m; e( S K]" y& R8 v7 `9 H' N
end1 X k) n4 _) m% L# `& A
2 x/ h9 L9 e3 N+ }
to update-global-reputation-list# q) b' H, H) x/ h
let j 0
w7 p8 d& A; c" n2 Gwhile[j < people]' S8 S4 a) ~4 Q. B
[: c( k) n {9 w# L, \
let new 0/ P0 G. H1 a6 j. f3 n! {
;;暂存新的一个全局声誉
9 S ]) Z! K, E1 B' L' Q1 |let i 0
3 ~) r# y/ _9 U8 [* _4 H$ Q3 S# I4 Dlet sum-money 0: J1 e' x0 e1 H1 r) s
let credibility-money 01 Q* M5 H, l+ }0 e# y/ B
while [i < people]
, k, t& W+ b: I8 ?3 e: J[
% |! M+ @, d( G9 W" n, Xset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))) U7 W& w4 p$ D0 q; I# k0 N
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))$ C( g# e* o* b; r5 B7 F% j
set i (i + 1)
8 `2 n- n. Y3 B, y. \2 [; T. U]) X( E" ~" G! t; Q0 N& j4 I
let k 07 A/ F* b* W3 p, O$ @+ { ]" C8 @
let new1 0
0 y! L- |% d4 E' Kwhile [k < people]
' U" U; [1 e- Z+ j1 s4 [[9 ^5 E; X" g: J- ]; {
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)# {2 E3 F- w2 B J& |; `
set k (k + 1)
8 K! B1 D( o: @/ ^- t6 n]9 n- y+ o6 ~4 R9 Q; Z
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
0 A( g" P" J3 A+ s6 |6 G3 w4 xset global-reputation-list (replace-item j global-reputation-list new)3 J4 G( z9 C0 J8 m O- h
set j (j + 1)3 g9 c" Z; } R" N
]
! h! B8 b, U# S( S# O- i( Z( x$ }end n6 R0 W- }4 K* x
' C! K. J$ K$ @ J: d* ~& z, A- \: N
$ x9 i5 n- g3 S4 C' t5 D
to get-color
- _1 q# y$ h# ]; M# I0 o2 ^ @" R- s7 Q+ U {5 p! m
set color blue
3 r, Y5 C5 W% q: w4 c( xend
2 P, e' q) x$ f8 k/ ~, ^# n, V4 W% i$ r H, ]6 `9 V* y
to poll-class
' C0 Z9 W; y4 Q$ w. f: _% ^end
/ c; A1 {4 V, D/ A" @7 |: S' g! c( |8 C. A2 k! l% t9 y& u
to setup-plot1
5 @8 h9 ^5 b6 [1 Q& Y! y n5 A5 M) v0 u! z
set-current-plot "Trends-of-Local-reputation"/ V$ A5 m, S. F: i% }( O
' j% s0 H) O. P: T/ z
set-plot-x-range 0 xmax
" g. [9 v. d3 E1 E' M) E
' K! b M; N* Z X3 m! V$ xset-plot-y-range 0.0 ymax6 ]" J4 i1 t7 t6 L% ?0 T- m& Q
end* J. l' _3 J$ b* v
$ a X4 i. s4 K6 }, t/ z# R7 ^7 Pto setup-plot2 ?; i7 c1 @- t) x. b
2 H* r. S7 M& b$ t8 ]
set-current-plot "Trends-of-global-reputation"
% F4 Y3 ?/ Q! q
! n$ V/ K/ u% @" Aset-plot-x-range 0 xmax
- a$ a3 g9 c" b6 w, l3 O4 E" n, n% @6 B
set-plot-y-range 0.0 ymax
, e$ R2 N0 M3 i4 a- M# F8 Tend% S' T/ j1 v0 u. I' X- H
6 j6 ^4 r L2 G' b( K. [) qto setup-plot3" S( f4 p8 Q, N
0 B x2 w8 S' a i! i7 Mset-current-plot "Trends-of-credibility"$ y' b9 X" J& w& o# x+ X
' S1 e- w6 v7 R t8 ^8 d" N3 D9 t4 {6 [8 tset-plot-x-range 0 xmax
( ~% R/ `, C& s1 n' l
6 r' s: {7 S( |6 o' ?7 q! f1 Iset-plot-y-range 0.0 ymax* Z H4 A, p3 L4 E' S9 R
end
6 ~- k l6 @8 D8 L0 e3 f+ ]: j' S( ^0 g- d
to do-plots, ^8 o! ?6 t* ~9 P# y
set-current-plot "Trends-of-Local-reputation"
# p5 l% r1 n4 o; Iset-current-plot-pen "Honest service"6 e: H; t9 ^0 B- E+ q9 m0 l4 c1 F
end
6 M; q; l* r& i" J* ~
& y+ {3 T7 b" |- S B x7 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
|