|
|

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8 k1 q* \$ I" I+ U0 F
globals[
3 p" R/ k# ], Rxmax
' |: G# E0 B; A# M; V6 [+ N5 Q$ zymax' U7 ~ L$ U+ ~
global-reputation-list
8 s, N1 K: y% ~# u2 E+ \+ z
4 f% M7 i/ ?# D4 }7 X; H;;每一个turtle的全局声誉都存在此LIST中: \/ [4 L. C& M2 J0 R, G* H
credibility-list
: D X! }* V# x+ W/ B3 U; A5 @;;每一个turtle的评价可信度# |" d% f. J7 I* E
honest-service
: F5 s+ H' a# J" s# Cunhonest-service
1 @6 ]/ s; p- c% Z* ] boscillation: w0 I: E9 D* x
rand-dynamic
* d6 b/ l$ j4 [3 k# ^. }/ g]7 ], Q( \& h/ ^- F
5 Z/ Y t: M+ N) Q& b3 r0 ]turtles-own[
! }9 u) ] @' q1 h) f8 y* o, o8 n4 Ztrade-record-all: Q4 J4 N+ _2 L$ z
;;a list of lists,由trade-record-one组成
' o$ C1 K. n" K* dtrade-record-one
8 s4 O4 V i2 o9 N;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录$ b9 ?& {# X8 v- T
' c; R4 t% r( V) e
;;[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]]6 [; `+ I+ B0 R/ c1 V, ] i
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]" g- w/ |! {% G! U' H# u/ ~
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
8 t- Z5 C$ Y1 O+ r& {neighbor-total
4 U; b3 {8 K3 p3 W. p$ A/ X7 L8 y;;记录该turtle的邻居节点的数目1 i- H m. H3 e/ X+ t+ g( G2 v
trade-time
9 c1 m+ x/ H, l: W9 X% o$ g;;当前发生交易的turtle的交易时间, @- l5 K. l/ Q' o! u, m
appraise-give1 `" f6 f2 J/ D) K; v2 m& o
;;当前发生交易时给出的评价4 X0 l* Y% D( p4 g
appraise-receive
; Y6 x! _0 r8 Q# p5 G;;当前发生交易时收到的评价! ~: B: P- w* ?1 W
appraise-time
( }* ^- J x+ F;;当前发生交易时的评价时间
$ {/ q! j% t W& c |! I7 x& k2 J* \local-reputation-now;;此次交易后相对于对方turtle的局部声誉; I" w9 R% B" R" n* [" f" {8 E& G# H
trade-times-total
! ?' n# H# T4 h2 o7 z4 o;;与当前turtle的交易总次数
# h& }" Q; C& @ } Strade-money-total% y. J* [ [$ C# M7 ^( g
;;与当前turtle的交易总金额) A0 H( }% f! h/ \+ C" e% x* }0 ?
local-reputation6 r' e1 u9 p! T+ |/ K( E0 G
global-reputation
% |* S$ D! r j1 }credibility$ B7 g8 C& O) {) `! s( [! k
;;评价可信度,每次交易后都需要更新
0 n; m) O( _# Z* K4 g; C x, }credibility-all
8 _/ w( k) E1 ?3 A& d3 {;;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! c2 u0 \+ P' t7 `; d
5 w! \, S ~: S
;;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* A) W( ]1 V" }4 u3 j+ A
credibility-one. @! D4 M/ l% o% w: W
;;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
9 B5 ^& _& u; s( |. X# K2 U+ pglobal-proportion
1 l7 X: }9 `" ^# vcustomer
& P4 f4 c9 B; q! [/ h/ xcustomer-no
+ L$ q. l4 E/ b: H- M" xtrust-ok
! U$ s' H% h* k' o9 g" Dtrade-record-one-len;;trade-record-one的长度
" u6 J* c0 A/ N" I# A]
) Y2 X- y8 S l6 I
5 W. c( ]8 m. `0 |;;setup procedure- M& ]: Q# T% r0 S( i! |
4 ~8 o' \3 [$ J$ T3 d; ?to setup' M E- [3 e, t, ?6 a0 q8 j
+ _. p8 X5 j) v" N
ca4 b; P- X6 |) K/ I2 j B% d" Y
0 P' {% v; \& D. hinitialize-settings
1 b5 x- t- G' Q7 `, O. Z |% Y7 w; N7 {8 U/ c3 d: o
crt people [setup-turtles]
7 x- p( M$ j& h" |1 {; A+ W6 A6 Q. j0 U4 \; J; w: Z
reset-timer
9 d# f7 [$ T% T& | I6 m- l, W2 J2 x. w
2 k; }6 a3 X1 ~5 F* }9 \7 H5 Spoll-class" G* k' N4 Q9 g: i% D$ h/ [6 r0 w
1 D' C9 R1 \% [, D
setup-plots
3 }6 i M% i. n0 s( H$ C3 y; f/ G5 i S& z( I* |% y9 G7 ^. [. l3 S
do-plots
' d1 d! h' I6 n$ D5 \! Dend( K( X* z, P j& j
/ ^3 ?/ `& b( a# w8 [) n! r k
to initialize-settings$ L* R4 C. v5 B- ~7 ~# F
( q+ o3 D" J/ x
set global-reputation-list []
- ?, V2 {: P2 u* z7 F' ]& Y- _( [/ ?& l4 O( x/ o! @+ t" r
set credibility-list n-values people [0.5]" o8 e% f' }9 x* f7 ~
/ e2 R) v0 P8 n! @6 t7 `" N, Rset honest-service 02 x0 f3 M& H: |! f7 x; r5 n
4 z ?' ~, c# a3 \ g4 O% Eset unhonest-service 0
- o% u9 n$ s; C) u4 J4 O1 |0 O$ R3 |3 G2 E t
set oscillation 0. A( |5 e" u( D: w
/ v; Z+ d8 n% w& S! Q5 O
set rand-dynamic 0( _, c* T2 H' k
end% s* m! K1 O7 p- t+ F
$ Z; c( I% D) ?, s) x+ s
to setup-turtles ' {* h: Z: e: I+ n) s$ S
set shape "person", R8 q, Y$ ]' r/ |5 O6 g0 v/ r
setxy random-xcor random-ycor
* H& z, r0 y; |" w5 N# ?% Fset trade-record-one [], H! X$ _% ~& }* {4 f
/ K, V, q6 u9 L) i1 g- l. J3 ?
set trade-record-all n-values people [(list (? + 1) 0 0)] 3 O- Y- t# {# B( r/ w3 Q/ P$ Z* E
/ m/ K& C: B" {, Dset trade-record-current []
6 {: ^; I$ O6 G$ J; U# Fset credibility-receive []
+ f4 S# |) Y* b. Z: Y9 Y; dset local-reputation 0.5
4 R8 e! L, r" M# c$ c: Pset neighbor-total 01 m- U& h( k( v
set trade-times-total 0* S% E$ `% } z
set trade-money-total 0
& n% a) a4 o+ a6 D R2 W& W3 vset customer nobody7 O- i( e/ A: V3 z6 [2 a
set credibility-all n-values people [creat-credibility]9 b! I- X8 G8 U. W
set credibility n-values people [-1]7 B2 S5 u7 t0 g: U' [
get-color
) ?; P2 ^; a+ O0 Z* y7 n% j( \8 M' I5 N
end
! j2 a H% T/ H( X% Z; q1 M7 H
. b) v+ z- ^/ B' {% cto-report creat-credibility1 @% @: |* a4 E: ^2 q9 F
report n-values people [0.5]
2 s& }4 {# C U3 K$ D3 \end
4 a5 @: g# c, C( B& T5 _% K1 f+ a
to setup-plots
e. P6 ^/ p( X5 P; Z) T) y \/ U) @8 {# c8 V
set xmax 30
1 B3 o8 X6 A( D6 E
& b3 q* r- l: d6 b" i" m- `set ymax 1.0
6 t( e' `( y* z+ ^
; e; {" n6 |* O. s) b- H, B6 yclear-all-plots
6 | v5 F) x: C3 A: D
; T% f7 L6 a. ^1 Q7 M/ E" C+ f5 zsetup-plot1
Z$ e. r) h7 K$ y# L
" \0 ?9 A; k0 l3 K4 Wsetup-plot2
6 w& S9 o/ L! `5 b
) _2 w6 L0 I! ~. F e- G& Ysetup-plot34 p$ p) j1 n1 H2 e1 Y: p
end/ ?( l( s0 E- g) e
8 c5 L# E& x5 b( q( P! P7 R0 {* `; u
;;run time procedures
) h8 h+ X5 f1 s9 E# Q: k, F4 {& W, U. z
to go
! w6 ?2 K% {: `/ ]& X7 [: Z+ A
9 p2 Q( f' C: N/ n3 ]6 V+ H& {ask turtles [do-business]
' u0 p O( ?0 k+ `, d6 Eend& A, l; e$ Q% h6 p
# J! N" a2 e: X, h! l4 ]
to do-business
* n2 e3 `7 w A' j% a. N/ X
- ]3 t0 Z& T8 t- ~- d( V' s; Q2 c( o& l, ~! f# m
rt random 360
0 L: n1 Z# f8 a: ]+ t2 a0 {3 O& L
1 W1 P/ \( t$ t8 hfd 1
9 t3 u5 o" a' y9 d8 b3 c4 K; f6 V s% I7 h) Y2 P( D
ifelse(other turtles-here != nobody)[
# R0 |/ ~1 r5 X( y8 z/ e2 V0 U: l+ c
set customer one-of other turtles-here
: u9 a4 U! r' X/ R7 e, _( {# c" ^! y3 j. C5 ?$ f" t
;; set [customer] of customer myself, F# w" O5 X) M
4 u8 K9 V4 s! g+ t' W. C
set [trade-record-one] of self item (([who] of customer) - 1)7 F! e* N& `/ f, C& ^0 _
[trade-record-all]of self0 W ]4 _. G9 H( R0 D- p- J& I; X$ d) G
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
/ `, g6 i: Z1 j( @0 f9 w
" Z/ e( _; B5 V. X. O) A6 o0 sset [trade-record-one] of customer item (([who] of self) - 1)
% X5 O5 E. Y+ \' w, O+ V! Z[trade-record-all]of customer& k$ s( P0 a3 \; b8 |* I2 R
6 F5 I( U; M8 |. ^, Y( x6 Kset [trade-record-one-len] of self length [trade-record-one] of self
- x0 p0 }1 L* |3 B% {8 a k0 k+ s6 W. \2 w; F
set trade-record-current( list (timer) (random money-upper-limit))
, F9 D# }6 B" p* ?( |# s- R6 {* I. X' y9 J5 A8 m: D* k1 _1 D/ G
ask self [do-trust]
! r0 {6 S0 B* [+ z0 l2 H;;先求i对j的信任度
9 O2 k# z8 b7 o+ P9 n2 E* H) o) u0 Y
if ([trust-ok] of self)( |# e( l, x% j* b
;;根据i对j的信任度来决定是否与j进行交易[- q* {6 i- }9 n/ q: s
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself" A) W4 n" ]* @5 x
* r/ ^1 C& u0 Q2 t/ s* \
[
: i4 `+ [5 H% g* L3 W
3 D% |. w1 [0 D# [7 ndo-trade& F+ ]3 s* W; n* j9 Q1 C7 l
- W" Z3 B. T& u$ Y- |7 S3 R0 X
update-credibility-ijl
% }3 Y. h/ K, U" W/ C2 \7 X8 v, `1 Z+ p5 ^4 p( @
update-credibility-list+ @" l6 B0 ~: Z! @; Y. E
# m3 i+ @' D. w1 o8 i
" Q8 Y- a8 ~# u) Tupdate-global-reputation-list7 c0 R. j, {7 I9 @
0 Y7 Z2 Y, t' s: [poll-class1 q% M$ d- R6 ?+ X! J0 n8 v
5 t5 V6 P- A, B' v6 i/ R
get-color
- H7 R/ K5 J4 Z3 J/ r
7 I, H `$ w; h- C5 N. W1 j2 ~]]6 @" c5 m& d+ p/ T T
- u% V' g7 @$ W% C) w/ h+ v3 G;;如果所得的信任度满足条件,则进行交易9 q& f( p" z& C& ?( K
- u; i- |2 L q9 k[* E% x) u- q) r+ s8 C" z1 o& b
4 ]+ N( p4 k4 d8 e( |( Irt random 3604 b9 Z* G; J8 M6 d- K! d; W
* f2 b0 ^: P+ q
fd 11 w* R: U$ W; M- V% K
2 g* Y# @3 t2 M3 i; d' c/ j
]
( L C3 g$ X& c6 e8 s. I5 L4 m. J4 n$ B# e2 H& d
end
" {/ I- Y+ [# M
. z1 X* y& m1 c0 A* B1 Ito do-trust 4 D i+ H1 z* B4 K$ h
set trust-ok False
) X; ~6 I& m3 Z% @- t; W! U$ U) `. D' S" B
* I0 m' Z( x6 ?( i( z
let max-trade-times 0
- r0 \" W3 h$ G/ k ? j6 q1 B4 r. Tforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
! M o2 k% B( o8 G k. V2 o* ulet max-trade-money 0
7 g7 g2 ?0 ^# g9 E5 J0 C# iforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
" ?& W% H; V6 Blet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
* P1 ]: x/ I1 E# k' y8 f, D
# Z/ c% w5 X* N2 j
* r# o" f1 e& Q, [' Yget-global-proportion1 I6 D/ R3 z' Z2 Z4 J, ]! x. G: i
let trust-value& q, F. L% Y' i1 p# J
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)- ~% I% K! P, W4 d3 [5 n
if(trust-value > trade-trust-value): [( n9 a- P. v3 Q V
[set trust-ok true]% F( X) j, b" B9 e- `! p
end
/ T+ T4 _/ L, I6 c; C1 q% r
" c% q& ?+ h$ f+ x5 Z5 \; E$ Ato get-global-proportion; R3 r. }, }+ M
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)+ s$ A/ {, }: t9 g) D
[set global-proportion 0]
. l& v9 u! g: C! r4 R$ V( X[let i 0
7 R& ]& `5 s0 q7 X2 [0 |let sum-money 0: Q: Z) a# w R* R
while[ i < people]
& h' M& j& J& [8 q+ W[/ V0 m9 Q( d& V- n2 |& H% r7 ?
if( length (item i
( K8 a; f; ?2 P5 ?' k6 }2 p[trade-record-all] of customer) > 3 )
2 m) ~ _. D9 O2 V! [- R[/ x- [9 }/ d7 N! N. d
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
; ^% R7 |- a& N]
: [$ `6 O+ [3 n5 S3 Y( Y9 []) e; q4 \" b4 N8 i, T& V& h, k# X8 c
let j 0
9 ~6 @8 B- f u( [let note 0
: [0 t& h1 R3 O5 \* b3 Z7 V& owhile[ j < people]) ^% K9 m ]8 r+ p+ X& T: k
[2 `5 X1 H+ S6 i, K7 r5 M& @
if( length (item i0 S% I* O6 G( h
[trade-record-all] of customer) > 3 )* e' ~' d; R6 L7 t6 i- D
[
4 [ T. a' N- jifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)9 y1 ]8 p4 I" ?; u, S* l" G/ `7 S
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]( t. s5 E! A9 Y
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
0 W5 @+ D+ w4 n- A. @& {]! X- C0 e- |1 X" L4 A5 W: w
]9 y, f/ r7 J- C0 |% p4 u% ~
set global-proportion note# L4 x; k+ ?9 B7 W5 ^5 m+ ~# d+ T
]. r# k2 _& ?( `
end/ i7 l% d& u- D% }+ M
+ m0 B) M0 ]8 E- z& [# L2 r9 Z3 c
to do-trade( c& X7 j: g! v5 q( ~& b) d
;;这个过程实际上是给双方作出评价的过程. j7 M; G6 P3 E+ y* |3 N5 ? {, _0 ^, u
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价; h' c; ^: `% C( @- m# v9 H1 i* J
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价# t) t/ ]9 |6 x2 r0 x/ G
set trade-record-current lput(timer) trade-record-current
& j; u5 C0 }: f' T4 X& o S;;评价时间& b# z3 x9 `: |0 H; Q
ask myself [0 F0 T/ s( K8 [( N
update-local-reputation3 N( W3 g/ d$ T* I6 n$ {* n" l
set trade-record-current lput([local-reputation] of myself) trade-record-current$ c8 T& X- f- z2 N6 }3 ~
]
$ |1 g: @" B/ f9 lset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
" J: F! {) A* d3 y" v. o3 U) T;;将此次交易的记录加入到trade-record-one中. z7 ~+ B% r9 n. F
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
* r& J5 i% A, E& r9 W2 ]let note (item 2 trade-record-current )' R8 U& w; ]& }: |& l0 @: S. i& L
set trade-record-current) L: Z; P# ^3 U2 C) D
(replace-item 2 trade-record-current (item 3 trade-record-current)): L; g: Z r: V v) s8 D5 v4 B
set trade-record-current
% ^2 F @# S8 d5 c(replace-item 3 trade-record-current note)
) W8 C2 ?; C) A' i# y5 y$ K. K+ a F4 M4 w% U% O& R
7 @1 A1 z, [' \) z0 J. u" h1 {# s
ask customer [
* `; O; C6 C7 F) Y4 L2 [( _1 xupdate-local-reputation+ o! {9 E7 l3 f7 r: f3 ~, h
set trade-record-current
0 g' l+ X) g6 p% z(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
9 Q9 _9 R. y+ N y" i! {4 M6 G9 Q- B]! a: J) ]2 O, S8 ?" X
. W0 g2 q* s* c% U# g
. ]/ g4 w( h+ m1 B$ P' b& hset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer, r- y7 Y: ^5 s
$ ~/ G8 o" x( c) c
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))1 e- g4 W: P; u ~# B
;;将此次交易的记录加入到customer的trade-record-all中7 p$ J1 Z# C' H ^( ^0 v0 X
end9 T% h1 b5 K/ G+ t+ R
4 E _' W# m/ u* F! r0 Ito update-local-reputation
# z* N$ X4 O# U' D$ G& _% A8 Vset [trade-record-one-len] of myself length [trade-record-one] of myself! E4 x4 A) i1 T' V6 ~5 p6 b
. m# o/ o# z, y' G, p" ?
' t* M) r" ~; h6 V7 D; K;;if [trade-record-one-len] of myself > 3
0 D% E2 G% P- R+ _3 a( gupdate-neighbor-total
1 O/ t4 D% V: }* Q/ G: s+ F/ S8 q;;更新邻居节点的数目,在此进行
9 U6 O4 e# `4 i8 ?3 B6 v2 Plet i 3. n& `- y9 T1 G( |/ h7 t* S2 ^) ?
let sum-time 0) n. l% m) b# T3 q# q1 S' _% f
while[i < [trade-record-one-len] of myself]0 t- ?9 T* Y5 t1 {! B1 Y
[
3 K e; A! O) \/ ?! _7 g2 rset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
# e4 @# d F8 Z: g) u; o: }set i
# a% v4 q, G; r, e( y" y& d( i + 1)! G: Y+ V& e' }7 x& j( E9 M
]
8 z' N8 Z2 n8 @# b) P" D4 nlet j 3
# X5 _) O0 e% @9 o; q* G/ tlet sum-money 02 y" ~. Y5 L5 m/ h
while[j < [trade-record-one-len] of myself]& F% z. i' s' u5 R5 u+ `* d/ P: E
[/ t) S: i9 T2 V' _
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)6 X% B; H9 @0 M
set j
M' h# {. t$ Y0 ~( j + 1)
8 w+ x& u0 ^/ S, @. Z* `]
: J* ]/ h% X7 ~' S( Q* n. N7 hlet k 32 I7 A. n4 L8 n
let power 0
# g5 m! \1 e2 flet local 02 N2 F! ^! j2 R& g" d6 t( _
while [k <[trade-record-one-len] of myself]
* D& ~. ^& k) F[
. k; W5 S7 m+ g, R* N' \$ vset 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)
% _- U& G' M: s: ^/ lset k (k + 1)
9 t0 S1 C) p, w]. I( K$ \! X# h- @4 R
set [local-reputation] of myself (local)
5 r' i3 {2 I. c/ ^5 C9 ?end
" x M5 G: d6 L* r6 ~3 A
/ I' o# `. g! {+ \! ^to update-neighbor-total
; ]! M j) m5 v# u; X% O2 t; \# I: j5 P2 P7 u1 X
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" k* x1 w; O/ n c' ]7 ?
* T! t' n; Q# \8 {# t
7 q0 s6 T @! D* T, T; c
end
2 o1 N! A* V& k
& x2 S2 }" l; Xto update-credibility-ijl
n9 G: V( A7 f+ Y( C7 F
& m8 D4 X5 H$ ?- a8 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 K2 o. p2 ~& B4 Dlet l 0, ?" }7 K+ K0 j/ x! g5 p
while[ l < people ]
1 I( n8 P/ F. V" S;;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
4 A5 q; ?% z3 y' T$ V7 Y6 @[
$ E; V4 l/ A5 k% o( plet trade-record-one-j-l-len length item l ([trade-record-all] of customer)3 s: O2 f: W1 C9 P- x$ A
if (trade-record-one-j-l-len > 3)
; B3 _9 l. j4 z1 V0 ^. o0 t( 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/ l) j/ p# O- A; E% O
let i 3 L( \, I. k v
let sum-time 03 X4 I5 A1 q$ @) \, U7 z2 U# z
while[i < trade-record-one-len]
5 v. Z, j7 V4 K/ E. m) t9 {[) S1 p. h" s2 s7 H0 c1 M
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
( O+ S5 b6 j- ]" ~0 y) M2 wset i
4 K/ ^" d H C+ C8 K9 D9 Q( i + 1)4 F) U7 u6 w; d- D
]
" A9 [ B# s5 W; I$ flet credibility-i-j-l 0
* v. i2 t% Y0 v- R! H;;i评价(j对jl的评价)3 A4 n6 H; n$ _5 [
let j 33 |3 y! X* g1 S& _5 i$ p9 p# t5 p
let k 4' Y& v7 b3 u5 X
while[j < trade-record-one-len]- O" S, ]. W' Q
[) X' A' J0 e' r& W
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: c/ m3 ^( }% I- P. q4 \
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)3 P& G& N" Z0 G
set j
" T4 z" y7 _# C0 N$ D5 Z( j + 1), [2 Z2 J$ z: V- ~, i
]/ ]4 e8 T8 u$ N: ^. F( ?& e
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 )); X6 L1 x/ S7 d
9 `3 K' u q/ W6 |) T
; N9 @' p0 Q3 _8 \$ Rlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
9 B1 ~' J( ^" y! o' y- d2 ^;;及时更新i对l的评价质量的评价
, B# r( y0 F: k' L; x& g# tset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
- R0 f3 Z3 w! ^; A% a7 Z( aset l (l + 1)
0 m' Y Y% e3 `, p, o2 y$ y1 n]# S1 [, n l, B* M
end1 t9 [- l& C1 R6 X
# b1 C/ |4 @0 ]to update-credibility-list
/ u, x4 g5 B7 ulet i 0
) d& _7 V- ~% a# g5 p6 E3 Q( t4 Uwhile[i < people]* W& m2 E# {# a7 ?
[0 T, u- r2 h% e5 m, [& T9 W
let j 0; A0 |; }$ g5 N1 R7 s
let note 0+ b4 X: w2 B/ y
let k 0/ F% P: P: K b' g
;;计作出过评价的邻居节点的数目, g/ {! h; c- c' r9 I+ \
while[j < people]7 p- I, x. c# q9 [% ]
[/ u4 W2 ?& S. w% l0 P/ J& i- e
if (item j( [credibility] of turtle (i + 1)) != -1)
/ w1 n* ?6 W+ z+ q3 H0 H;;判断是否给本turtle的评价质量做出过评价的节点
. `$ {# _, g3 v; J; @3 N[set note (note + item j ([credibility]of turtle (i + 1)))
+ U1 I. e$ Q; b; @- s% K) P0 x;;*(exp (-(people - 2)))/(people - 2))]
3 W! G+ ]$ ^, |; y# m+ }, rset k (k + 1)) g8 x0 \) A4 u) M K
]: F" I, j* L: t
set j (j + 1)
t1 t5 f2 O: D2 `- J3 x5 \1 V]
2 O+ t- `" ?& `2 M) Rset note (note *(exp (- (1 / k)))/ k)1 B) m7 O8 g# o. L
set credibility-list (replace-item i credibility-list note)+ @% J6 L N% ?. h. f: m" R
set i (i + 1)
* k8 H# u$ P8 \, c]
, p* R% v# d/ J0 send9 Q6 u% K) g6 w
& ^, }: g& n; ^4 T! H% c% ato update-global-reputation-list9 B \- A: I/ e* A- h2 z
let j 0
* V3 d$ {( f) O. u) x+ jwhile[j < people]
; e* _) h# R; k4 W) d/ f; f[
" q4 s! n k6 p2 u1 s! B' ]let new 0
# c) O& l x, U7 B8 l I;;暂存新的一个全局声誉
8 e; W0 y) Q$ d7 u# ^let i 0, ^: S5 b+ u8 p# @% }
let sum-money 04 h5 a q9 M, C2 f9 p& W9 a8 x: B" ?
let credibility-money 0
* m1 Z* i+ b: l5 ywhile [i < people]
3 t# M/ J4 ]2 H[$ r" O3 q9 `7 b2 n
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
& {3 S4 f( |, x8 x4 I6 [1 e9 J+ |/ zset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
. E f8 C2 Z+ q" t |/ q: `0 lset i (i + 1). Q4 s* Y# G2 Q- q) m5 D/ T- m
]
& |9 Q }" T* R, z. J) dlet k 0) [- s) G- y- z$ x) G0 ]' d) e s
let new1 06 }; r6 |; f0 ^* ^; {" z T
while [k < people]- g0 O; e5 `9 M0 q3 c6 {0 S
[
+ F; O, x% }( @5 b2 v9 V; S! Fset 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)) E% t# e" F. B/ g. O
set k (k + 1)
' |* M8 _8 G3 G9 ?) r]
9 _3 w7 _: z1 vset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
0 y! F, Z4 j0 u9 Iset global-reputation-list (replace-item j global-reputation-list new)3 w, }; |% P: |0 l) G6 |, F z
set j (j + 1)
I3 \! i. D" {& i$ n2 i# F]
0 O# E$ j9 B& V9 t uend
7 ?+ s+ C$ E8 K. [. _0 x0 t% \% T; X( I3 @
3 d+ k: X: O/ }( Y6 A" E+ D! m' h: m" C! K; b9 @; R, }& M9 h
to get-color
/ h0 C+ ?; I4 o! u, w2 j* L. \. P2 k" n" ?3 l# @* I1 o
set color blue) E; s1 [" z5 P
end
$ I3 |5 v8 }" n: C$ X4 g, g# @+ z, p x$ J3 _
to poll-class
8 C' e6 A, `1 `* W: }' pend$ n5 {+ k# s. N- b) C9 W7 y9 E% \
5 Z5 \6 S+ l/ F1 O2 yto setup-plot1 x" W8 n. Z0 s
" g; d% G$ H, oset-current-plot "Trends-of-Local-reputation"
c2 F n- j8 u4 J
- ]4 R/ o; ^( }- d. Tset-plot-x-range 0 xmax
r7 j3 b" f4 L9 ^* m2 e9 Z7 k* T7 g
set-plot-y-range 0.0 ymax
' v8 C: u. l( l1 k0 f4 A- z. Kend" w0 @$ f+ P. e/ V5 T4 N0 A+ L# T
7 G/ c4 \, T$ H. \: d! Q9 B7 K
to setup-plot24 a! C# i* A- t5 k# o
# c8 c; @7 M/ f( Q
set-current-plot "Trends-of-global-reputation"& i+ d+ a7 Q7 p' S* Y
) \* q0 G) n- D: \, a$ K! I& ^7 dset-plot-x-range 0 xmax
# \7 v9 N* k+ P, ?( a. Q; e7 _4 D7 w4 ?3 k
set-plot-y-range 0.0 ymax6 s+ K- q0 C2 \9 v+ ?- |; H$ h
end8 g4 r6 O/ G% m o/ B
: i4 H4 ?. N' `
to setup-plot3
" A1 @! K; m& T7 i6 x9 C! q) i5 g/ Q! _; E
set-current-plot "Trends-of-credibility"
% I: m* D' d8 d4 } D
: Q! V- w. {4 eset-plot-x-range 0 xmax2 c8 C0 b% {1 E& P
: d4 Q4 [4 Y# y3 w2 Pset-plot-y-range 0.0 ymax) n: c0 M/ x, \% F' N! r: P
end
9 l/ ^) W# T' k. ]- P9 o8 W) Z+ t) q/ p N0 z" V
to do-plots
3 `1 ?3 z$ c- ]( o- Eset-current-plot "Trends-of-Local-reputation"
( u! @$ a3 v3 W7 _set-current-plot-pen "Honest service"
3 {/ E4 {- k, l" fend
: \! X9 C, c1 T" j; g; ~8 r
% O( g0 Y) m" }[ 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
|