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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6 ?$ j) Q9 s2 [
globals[
! Y/ _7 j2 u2 |7 t6 N2 j& bxmax
* w, I3 |) C) T0 ]; Jymax
8 ~# B, _5 ^* r. rglobal-reputation-list. ^7 F3 p. K) [ [3 ]: C
+ |/ L3 o, I# K2 a, W9 y
;;每一个turtle的全局声誉都存在此LIST中
. w/ g* C: U+ ]8 x4 K/ Wcredibility-list" s4 `) N/ S y) k2 a
;;每一个turtle的评价可信度
. b- m1 i& ?+ v8 V/ a( V: h* Z/ Ihonest-service/ q) T- a7 X( {4 C! _! ]/ A
unhonest-service
. l9 ^+ y7 T. F Woscillation
8 a3 V: I( u! Vrand-dynamic) Z" E6 X/ b1 B$ m, o7 ]" B0 @
]
U! L" ?$ {. k, q* B# F# s0 n# v* h& i \7 G1 ?
turtles-own[
8 a! I5 h# F3 z, t" O2 i$ ctrade-record-all* o- I% I6 ]3 F4 b. @
;;a list of lists,由trade-record-one组成: V9 }0 d6 }) U+ a( p* t0 Y
trade-record-one
$ T- x. `: J7 c2 _% l2 };;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
: x0 S. b6 B* A: N5 a8 v, y" l" |4 ^* q" a. Z, Q# \( A/ C. j' i
;;[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]]. G1 ?: Q1 i1 V2 o6 v* h3 Q
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]
( Z2 X4 [* e( M+ m! Q4 N0 h* {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
& [' c% U g9 X! S6 b+ Ineighbor-total
3 q& G& g( z2 I( V5 k% i' {# D5 {" d+ c. G;;记录该turtle的邻居节点的数目
* [! _' F+ q$ K' k2 W1 `+ jtrade-time: S3 F. l. P/ w
;;当前发生交易的turtle的交易时间
1 B2 n& X$ c9 e+ V# sappraise-give+ K/ N/ b/ n |9 K
;;当前发生交易时给出的评价( P9 x! Y0 s [& w; n' r
appraise-receive
. J- [7 Z- K, P;;当前发生交易时收到的评价7 Q: ~' K( |8 R" p! i4 ]* H
appraise-time* E+ U/ d' h5 T3 r
;;当前发生交易时的评价时间
7 T& ?' C, x& B2 A x5 x' {8 e* L1 glocal-reputation-now;;此次交易后相对于对方turtle的局部声誉) k2 ~. ?) h9 `' [0 {' b
trade-times-total
. D* b8 d& l1 Y& Q' ]# ~! v* @7 w;;与当前turtle的交易总次数1 k8 m7 Z B2 A9 i+ s7 ^
trade-money-total8 U, f9 ~6 w' D
;;与当前turtle的交易总金额
7 Y% b7 y: H1 [/ v7 Hlocal-reputation: F3 o8 O2 |6 ~! C" U1 J% @
global-reputation
2 o6 E4 B2 t' y0 Zcredibility; b5 t* k/ Q4 t, d) m1 G
;;评价可信度,每次交易后都需要更新
; E+ r1 G5 u0 `9 Qcredibility-all! e8 V Y! E% o7 q
;;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: ~# f& z. s6 s* [: A7 V3 N
1 V! L$ ]% P5 ~8 g% V1 ?2 ^
;;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 T7 n5 o7 V1 T s( r
credibility-one6 K2 a+ |& _+ g8 F ]# }
;;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
& t8 |' ?! ^7 ]5 Z: {3 lglobal-proportion) r( B, x. {" }4 m; y
customer
7 g* g* L( j8 ~8 U( Q: Wcustomer-no0 c% v: S" N& o' w( x
trust-ok2 W& V0 O8 x8 R
trade-record-one-len;;trade-record-one的长度
/ l7 [ a0 _. Y]( v0 b* A: ~7 `; W! O
7 O/ L7 P2 o4 O8 L( z5 V. _
;;setup procedure: a% {$ N$ N( m! K
# P4 F N$ t' L o+ t& Qto setup
1 z9 d" d& u+ B, d
R6 V, O2 Q' g8 \ca8 m' w$ H9 I! t2 |6 b
b1 c- D- Q6 m- {. k+ O, y
initialize-settings7 q& B4 F/ D$ B& C
, I6 w" p) c/ Q9 K, |% v0 y
crt people [setup-turtles]& a2 q0 }( |: z: I- E
$ t) ?8 a1 J7 p$ f# B7 xreset-timer
: d6 r: P* u2 o6 O3 n* o
# J1 l R+ I0 w9 |poll-class
# S; P1 x% Z8 x* M# G
" n6 A) Z( ^+ {) tsetup-plots
2 j$ @# i& y1 n9 d2 ]' w+ x. W7 v. E" h
do-plots/ k( ~ W1 `: v Y6 z
end
. t% I; S H5 N! u
+ x+ e$ l7 C& d/ j3 d( Jto initialize-settings, N0 {. J9 v% b' R: J0 m
; Q3 Y- ~' W3 W c2 V' b4 k
set global-reputation-list []9 F2 M( q7 m2 ~& a* y5 @
+ Y5 T0 h/ j$ i+ m2 ^$ @
set credibility-list n-values people [0.5]7 Y) V7 I/ x$ N1 b; _9 p
* P2 ^2 _, w5 z7 A3 \! n2 |9 Dset honest-service 0
+ `7 e1 Q6 y) M! \- A) n) u {, x' v" h
set unhonest-service 0) R1 C; z: ]' x$ e
4 u) @$ K' w' `* m+ c3 g
set oscillation 0
! _# T% U2 ?) f8 F7 z N- J" }4 s- C& l D
set rand-dynamic 0
3 V3 e. P' v4 m- _% dend
4 D8 w6 o! p) W; _6 l! ^- }! U3 S/ D2 d% @8 ?6 `" \ v
to setup-turtles : [: C+ M9 O7 b
set shape "person"
0 l& T! k: a( k/ L, wsetxy random-xcor random-ycor
' m. [' f) D0 \& ^7 O# fset trade-record-one []5 e3 U9 Y0 v, H- A# _! x
5 t1 t! {# P+ B6 |0 ~" e0 }set trade-record-all n-values people [(list (? + 1) 0 0)] 4 k5 y* F d6 `" f j" h
?0 V) \0 T& Y5 n% L3 [
set trade-record-current []
7 D* p; x2 m+ T2 M0 @& ]. Q' `% \" ]set credibility-receive []; r* n/ H% g6 s
set local-reputation 0.5
5 B" c' B2 u7 \& Zset neighbor-total 0
: p' U) H1 O. n {9 f1 qset trade-times-total 0! o$ f) i; n1 L6 x# t$ A
set trade-money-total 0
7 {! L5 o5 o8 Y5 u3 iset customer nobody+ o* a5 h" P' r4 W4 k" [. U0 M
set credibility-all n-values people [creat-credibility]
7 V: N6 [6 o% g' T! Aset credibility n-values people [-1]
9 X1 Z2 n( F$ _7 X O6 O' Q! X7 yget-color! [$ E, H; h, K% f" j; ]
% @, T0 c" z5 E7 g5 S
end
/ {1 P4 a5 l7 e; r5 H
' h# b; H; Q1 ?: D5 ]) b- _1 Dto-report creat-credibility" X; W; h0 V( q, @' u' ]0 u% i
report n-values people [0.5]
6 R% k% d$ I" P( w4 H' h$ V% iend
1 x; j- X- K- w: B
; R" n+ l8 s# Y8 ?( k$ Vto setup-plots* p/ E. v* N) C& I7 n/ n8 v: G* y" j
k- f- R, P6 S$ k8 O. K
set xmax 30
K; G( {5 @/ b+ W- Z- O
% _- K, z! i+ ^4 _' v. Lset ymax 1.0
9 c8 K8 D+ I% `0 F1 R8 i4 ]! I
w8 y p) |- w h% d, pclear-all-plots
8 Z s4 w% z9 R) g5 M. Z+ U& N* ~' e
setup-plot1
5 c" E+ o& F5 F( p
( c, D5 k e8 z6 F* k( Rsetup-plot2
5 Z' Q( V+ M- ?" S" A* U- ~
6 F. @# ]7 m# E6 N5 ^! ^8 Q( ksetup-plot3/ C5 @# ~6 Y, G, X* ~' u
end
2 P& [4 B( ^4 X$ w4 }( X. s* b+ N+ I( D0 @" e& u
;;run time procedures) g/ e( {4 h" X1 K' W
1 W% b+ j9 K. I4 z' E6 o( kto go& }, c% q- z! p
" ?- E; d+ @( p; yask turtles [do-business]
# [" N* O! m+ c6 _' G {/ yend8 D. Q9 }: w0 s
f+ @* x2 a2 @/ R9 }% p
to do-business
* K4 v7 f7 S- c8 w3 }; u4 E; ? s' R$ S7 b: G' v z
8 _# s: ?: _ C# Q9 Ort random 360
( A B% n& e$ g4 G) Z* ]$ V# u
! x; J0 w5 _0 [& U2 C( @. p! c! }0 Efd 1
% a1 ]0 O& I; Z E: y
* m9 g+ E) m, t! c2 _1 {' fifelse(other turtles-here != nobody)[
* |* L4 L, [5 \! d" {+ g# s0 g
set customer one-of other turtles-here
; D6 R7 ]/ J& w) v" k( Y# N- C" H" L |( h0 r
;; set [customer] of customer myself
4 p% i" J. g% z3 F( x* T; v* v% C2 | g$ [% @4 l
set [trade-record-one] of self item (([who] of customer) - 1)
, J+ ], Q8 {2 m/ g/ L[trade-record-all]of self
' ^/ a/ i, V: N3 Q/ E;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
1 g" L3 E( T1 N7 A$ ?4 X [& D- C) C6 S- ]- ]
set [trade-record-one] of customer item (([who] of self) - 1)
. u5 Z8 i |- m, `+ s8 E[trade-record-all]of customer
+ ~ S; E5 M* E) K
0 G1 g! `) n8 o! j" y, C( ^set [trade-record-one-len] of self length [trade-record-one] of self7 T3 \* R9 `2 P$ I, ]
3 ~% P8 n! L$ _& W0 @2 Uset trade-record-current( list (timer) (random money-upper-limit))+ E( [; K/ \1 g
. |* Y2 g- I0 x5 y+ W2 n
ask self [do-trust]/ f5 T7 U" D8 u3 @- f
;;先求i对j的信任度
, w/ I+ X" z1 a2 ^/ O6 A4 r( m+ _& @3 R9 `
if ([trust-ok] of self), s3 J, v# ]" [
;;根据i对j的信任度来决定是否与j进行交易[
9 q" [4 K5 [+ @" Q' ]ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself \# d* @- z) D" F" P
4 e/ G5 h1 {7 Q[
% }9 M6 a" Q/ w# L0 q0 J z9 }0 M
do-trade6 b6 H/ x7 P i# U4 i$ e
$ X( B3 Y: s7 e) G/ n
update-credibility-ijl: a0 E( p/ h3 U9 i9 [6 c
9 }5 t$ B, r1 A+ D0 E. G" Lupdate-credibility-list
: P* Y4 r/ c$ s8 ~1 [! z* A8 h
" s0 z2 D8 Q2 |( E* S
5 G6 H, E4 H3 J& l) {update-global-reputation-list
' `4 _7 I6 v3 R: { J2 ~& C8 F9 J; r8 B2 T( F& A! h
poll-class
! \* }, o( W' Q g8 C e. ?% F: I* p# b
get-color0 Y9 s# M& N( C p0 |
. D0 M* A. i& p! G8 Y]]2 b/ q1 E8 H0 r
) F/ [9 p0 [+ _, }3 j4 v# P! d3 E;;如果所得的信任度满足条件,则进行交易, z- K5 S/ ~; A/ A! N8 I3 X
$ y! K) C9 E5 F6 E/ \[
; m, [% K( u% Q& J; H n4 y8 p+ i. o0 H/ F, g7 _
rt random 360
! v- z! ^, A$ n) x& W) |+ G, Q8 F. ~6 P0 x0 J
fd 1* M0 R& S( k) j# R
, E r1 L4 @4 s) A" b$ a S5 L]
6 [+ N! |- B. R* i
^1 P0 X" @2 S& gend
( i7 f! Q( [8 D6 V7 g2 Z& n3 v7 T l v3 m( \- u: Q5 g8 P
to do-trust
: l3 v W0 Y5 dset trust-ok False
9 b8 V( T7 J6 M7 f# {) ?" L, [5 E1 l' y7 M5 `
\0 t& j- _3 `. F( flet max-trade-times 0
9 p; S3 e l' p- {foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]% I1 ^8 Y, m0 r
let max-trade-money 07 R1 k3 A4 Y) h+ U1 N% L
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
8 _$ ~2 x& V+ P6 Olet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
( s9 y1 o+ S6 X$ n6 _
|+ [1 d! Z: C E8 @
( m' @' F9 ?3 ?" Kget-global-proportion( b7 H' d8 {& z. Y) R$ j5 c
let trust-value/ l5 l5 C# c- M, ?4 O- C: c% J1 [
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)
! D. K% Y8 k2 I! xif(trust-value > trade-trust-value). q, G2 f1 i1 H
[set trust-ok true]
- k! b) R' i; R: Y. W% H) bend
0 Q+ f3 c/ `* I4 g* n9 {$ ^( ?3 [- J$ M
to get-global-proportion# x0 q C3 @3 E d6 S- n
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
- M$ q* A! o( j5 D[set global-proportion 0]
3 V$ F$ c O/ }[let i 0* y H1 W# i5 V) g: c
let sum-money 0
" q8 K8 f# s8 nwhile[ i < people]: }+ K! V" `0 P* d }, ?
[
{% u% J' q" {: ~0 E+ K6 s) c! ]if( length (item i; r1 S" Q$ X$ _! O
[trade-record-all] of customer) > 3 )6 u) F; V( P, y2 E
[
7 K7 Z9 q1 M3 J Jset sum-money (sum-money + item 2(item i [trade-record-all] of myself))3 t/ i3 r1 z. R$ S0 V" ^2 D
]
$ l: g, ]/ a2 n4 c) K]
4 M1 t: E9 ]) F8 S3 n1 l8 r) [let j 05 ]5 v: g1 i9 r
let note 05 c' o; k7 n+ S9 `: \' P
while[ j < people]6 M$ ?* [/ g B# Q- k6 S
[( \! J' d& o+ y! B1 _8 v) d& _
if( length (item i8 J- h1 k" g6 X# H J
[trade-record-all] of customer) > 3 )& a6 Z Y, z7 g
[1 m5 K2 P" N. l* X+ \3 M
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
+ ^6 m( X7 r% z: G[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]5 e! s. d4 F5 F0 S* k- ]
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
1 d% w6 a7 k `/ O]4 x5 g7 Z/ L* i0 k2 D
]
& S! b& y; M5 ^9 a& \8 L. p8 W0 h/ jset global-proportion note/ T& g: N! {) \$ V- u
]: W* C2 c* ^+ W( W% w2 Q* N0 s
end
6 s- S( w1 }- N! S5 D, [" y* \2 s B3 P
to do-trade
{# z; p+ E- H" F3 s. ~0 i- N1 q;;这个过程实际上是给双方作出评价的过程
; j; g, W3 L9 b9 e* ~set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
; q* u- Z8 v0 r5 c) nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
4 l8 k6 f1 w0 z5 ]' w" f" C! L* i' qset trade-record-current lput(timer) trade-record-current
5 v% Z( L( |3 a' c7 ]' v# o$ o& c* R;;评价时间
4 w3 ~( l/ Q+ d( @: Kask myself [
: E) Z4 ?0 l; a) h1 d" Xupdate-local-reputation
/ a( n- N9 [4 k/ y B# rset trade-record-current lput([local-reputation] of myself) trade-record-current4 o5 J# j1 O& B: s7 f! R! g8 b* Q
]
7 u/ q! L2 Q8 uset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself7 y- E! ]* ~# x; o) l! K% h
;;将此次交易的记录加入到trade-record-one中, ]- d n9 K1 J% q8 @2 h* L
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)+ c4 ?. m& G; v2 B" |' v" h9 ~
let note (item 2 trade-record-current )
* E9 B* X! [" V8 q- sset trade-record-current
4 U6 K1 y$ Q" t1 c% |( d(replace-item 2 trade-record-current (item 3 trade-record-current))
0 ?7 B6 y8 b8 n5 v8 iset trade-record-current, ]6 K3 o- K) T, C( o4 \" Z
(replace-item 3 trade-record-current note)
5 }0 h7 T# w3 F" _2 ^* D& c+ U; F6 [ s! ~
2 _ K$ s$ D5 s; S% o2 F% zask customer [
" K! ~/ U- X7 `) h9 }update-local-reputation
, v5 O$ c! m. h c1 ~! gset trade-record-current! J0 |# J0 H, m
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 9 t. {% L( U: T) R4 T
]
) c; N* I1 F1 u9 F
) X+ C$ U2 a0 E! A+ W4 u# X1 D+ _: P- ^3 |- D" _+ }
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer+ w& u. F* U. O) @) T
& t: u8 i' E1 L& Y9 j7 U7 R! M6 [
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 b; y1 B$ F) N9 G( W
;;将此次交易的记录加入到customer的trade-record-all中
; C# h) F4 @9 Y5 H: T- w' p2 Rend9 K( @# Q- g3 R7 r/ ?2 w8 S
! M' x7 d5 i* x& |9 D: Qto update-local-reputation9 R+ U) |2 p, h
set [trade-record-one-len] of myself length [trade-record-one] of myself
; U2 A% }0 f* n
& m9 N- [& {4 Y {
1 b: }! U% o% L" O;;if [trade-record-one-len] of myself > 3 # y5 t; I. O4 ~1 i: o9 Z& _0 J* e# [
update-neighbor-total
% k. r/ i' Z! N4 J9 n4 B;;更新邻居节点的数目,在此进行) X) H! h$ z( \ ?6 v4 r
let i 3
: U. ?( o% j& k7 K% Y" ylet sum-time 0# R/ s7 s% a/ N/ [
while[i < [trade-record-one-len] of myself]' l4 ^ Z2 Q; W
[: x9 Z) T5 E# A6 A d% r; D8 d
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
- W4 x) t2 x3 R% Iset i
0 K B& @% U" g. K; H# T. i% _, {) U( i + 1)5 R( A* m0 w+ B3 N- _/ |- J
], U W/ w6 c# S6 f1 w' n$ ^2 E& X
let j 33 h) w$ B# F" M( f+ Y
let sum-money 0
Z4 t* v6 Y# bwhile[j < [trade-record-one-len] of myself]; ~# w- t6 {# ^* f% _
[: V9 z- L* A1 l; B% r- b( V N. N7 R
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)
; F& E( R2 z3 K. a1 zset j
) b/ I k, \1 A; i( j + 1)) c( f6 d+ A c( t# S0 j+ \$ c
]" A7 _. Y3 E7 y+ d& T( x N
let k 35 V1 `& g8 _5 X/ C3 y" _
let power 0
5 m; g; {2 ~) f5 i5 Klet local 0& S3 g Z: }. \ v6 w S* {# X
while [k <[trade-record-one-len] of myself]8 L( ~, E& `4 g
[
7 D) T$ i6 a5 e$ n0 F$ J& Rset 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 P' \5 A7 Q5 D/ J. W
set k (k + 1)
" y) o3 l8 c5 |]2 o8 s9 M! L+ o% w7 X7 p
set [local-reputation] of myself (local)) e% D Y. W) s8 ^. A( q4 ?
end
6 A& B" ^" s( K, q z5 x
" A6 G0 N6 k$ V" j, jto update-neighbor-total* F0 I. Y; I+ m
+ D' _! k* P+ v+ j, Bif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
* m* o/ @: @% m2 J: T6 m0 G- w
( Z) l5 n. W2 o) Z2 h1 u
& A8 N; q& x9 S# v# b5 J0 H4 _end# S& a# k0 X* Y# s
1 h! U* K9 T( c$ s: ito update-credibility-ijl - A( X( i+ R/ U/ A
; D7 q* G% o9 W# m& H8 ^! y. M9 n# Q
;;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。8 d0 N- x" z4 [5 h5 m) a: c
let l 0
( D4 x! [# q" V6 @5 ^ J/ Rwhile[ l < people ]
* K/ x3 B+ W* h; W5 b/ 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
# P3 V5 W( O. G[; e5 a; d. B; S& I" x9 \
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)/ l, O! S ?* w' l
if (trade-record-one-j-l-len > 3)% S0 E& q3 j4 Q6 A6 O1 D2 n2 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
" x; L: x, z0 E+ E$ F3 `let i 3" Z! {* T7 \% b# \
let sum-time 0
8 }2 A8 u( t- h2 Z: L# G% dwhile[i < trade-record-one-len]/ i n8 p0 j, u8 O$ G- D
[) b; q$ E5 \2 k8 C+ A7 N; n3 v7 d4 J7 N
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )6 V) ^9 Y8 O, a- j+ T6 c
set i
?: v* g& e! e" i/ u7 s( t5 o. ^( i + 1)
6 a/ b" B! N& \4 @- _; _) I]: O# V2 [! t2 J" z* R; G* e8 R
let credibility-i-j-l 0$ u, I+ l; W; U$ D! ?: ?! E, p
;;i评价(j对jl的评价)/ _. a+ e: i9 h) Z0 _
let j 3
9 i. T* x# _" h+ Z0 Klet k 4# l- B* M9 k+ s: d9 A0 W- Q) |
while[j < trade-record-one-len]
) r2 ]0 k' K* Y! \/ H[% ]$ A8 o1 f. H! `+ C
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/ r1 ~5 T- N3 L8 \+ v* w S) _
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)$ f. \- t9 A) _- `7 S4 V- x
set j
) C. c& q( w* \$ }# P& j( j + 1)
& c `' t5 w) ]) R& T]
$ |* A h/ [$ ?7 p. Xset [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 ))
] a( N( p5 i/ ]
8 s% ^6 C8 k+ E( t6 ^
) I k/ N! `% K& C# \let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))3 \% ?1 {/ ?# G7 h
;;及时更新i对l的评价质量的评价
6 {/ ~! `" o% C, I" Lset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]) I, Z5 T" i. j O& ^- U
set l (l + 1)
( A: i2 a8 w/ B5 ?+ R$ _" m i]
* k# H( \+ L3 o+ ?# b5 Vend, M9 n" J( P, _
4 L) E! A5 _+ c+ S, E
to update-credibility-list/ H3 z" O7 G8 g" [
let i 0
3 p' i- ?3 R" @while[i < people]
8 i' }7 b! T: m! \- C+ p[
8 {! G! R8 l8 R: h+ S* `) ulet j 0; V. g) D, E8 S6 X0 z+ R( Q) b/ Y
let note 0
* O' b1 j Y* Blet k 00 W/ ^0 Z! B# G/ _
;;计作出过评价的邻居节点的数目
5 U3 N- W# B4 \- y* | rwhile[j < people]( q. Q; x. G D
[
+ \( ~! j- F# Pif (item j( [credibility] of turtle (i + 1)) != -1), X8 L& [1 m: ^' K. p
;;判断是否给本turtle的评价质量做出过评价的节点( ]* D" t& t. m
[set note (note + item j ([credibility]of turtle (i + 1))); p1 |8 k" a8 R$ K9 v+ P8 T
;;*(exp (-(people - 2)))/(people - 2))]7 J- h/ H6 g& ^
set k (k + 1)( W& h/ M5 T+ C
]) W# _/ G( V7 |% E5 i1 @: M! K7 R
set j (j + 1)# T; l$ q) i1 S+ w9 [
], W6 o; f+ k& p& K9 T! l' c
set note (note *(exp (- (1 / k)))/ k)
' h e2 m9 E: d- y6 yset credibility-list (replace-item i credibility-list note)
" o( @) P8 M- b4 U, Fset i (i + 1)0 y* y* w" J7 }5 s
]" t, @) j1 u5 N" s
end
4 z* T1 [2 Q4 p6 B. J; y6 t+ R
% [/ H3 a0 e2 eto update-global-reputation-list
! e2 n p4 M/ G$ _ Qlet j 0) U; b: e: l; s6 a* d1 ^
while[j < people]4 I8 X0 B% l* z' T0 E
[
; B9 b2 O0 R7 M0 a) }- b3 jlet new 0
. T8 N% j8 |2 v$ j) s6 A( w& }% N;;暂存新的一个全局声誉
0 m2 w# e* B3 X: a R' \+ k- Flet i 06 }1 H# L# |' C# K
let sum-money 0) o, T8 ?+ a2 b4 S/ c/ K; R6 H
let credibility-money 0# l2 V) v7 }0 \
while [i < people]
% O d5 e8 W' w* B' s/ P1 y[2 o" y- U2 a7 A# V- O& `% A
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
+ u+ ^- g9 E3 i1 {6 k% Qset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
# l1 D9 q: S# y; a) ^set i (i + 1)' K; ~! r3 o+ \" S! C- |/ q# X$ C, p
]
! |; j* t8 G4 G) \3 S9 L5 W7 ulet k 0
w, ~# A& ]* g; T. b# k: o4 @% Wlet new1 0
' E/ s) k7 o( k" a+ y0 Ywhile [k < people], ~" b4 V1 |* l; C! I6 J6 o' x6 n4 I
[
& b% G5 Y! W3 F9 Iset 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)
' X' W# G% b! Q$ p: ]set k (k + 1)- x8 d0 y1 `5 j A2 s P
]. a1 W5 d7 J8 y' T/ k: Y! C$ a
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 6 ]; H4 C: [) T' `8 l9 }! `
set global-reputation-list (replace-item j global-reputation-list new)
0 S( x7 A. _' v3 m! i/ n: k3 C1 ]set j (j + 1)/ l- `# d( Y: w. u% ^+ T
]' a/ W, {, z" _9 P% o/ J( ~0 p
end- ?" W& @+ N" r" f
$ d, I" f; r+ B' f$ \8 w8 G- Q# d4 ?
: |' _1 a& ~) |4 @/ s
to get-color
: y7 |' J* G; P- g
; c) Q% `& F" R, hset color blue% Y0 N( {, z9 U& X' N
end7 G6 k6 b1 W( k5 Z) a! f
3 a+ C6 Y- J1 b! ^: Y$ Wto poll-class
, ]5 d# T* h. Y5 c/ E) N& F; M& \end
. Z" a- f( D8 E3 \8 h7 n0 J6 G+ |7 e* c( W+ j. C: i4 I
to setup-plot1# O6 N: s; V C2 b
: \1 }0 X. m1 v8 s& E5 [! ^/ nset-current-plot "Trends-of-Local-reputation"
7 D. W) f: @* a6 b. K9 [( v: W9 }4 F# i3 C7 ^# s4 j0 X
set-plot-x-range 0 xmax# X' z9 }- e7 ^" t) r
, q& b/ v5 T- k4 O( l! bset-plot-y-range 0.0 ymax
! ~0 i; I* l% d) j+ @& L' y1 I! Cend% L5 T. ^: Y/ k2 D/ C1 n' E2 }# s
! S( M& U1 U4 ?# y8 @; Rto setup-plot2
0 o, w( r# S3 V. y( V% D+ L( N) |5 u2 c' h2 Z
set-current-plot "Trends-of-global-reputation"
3 ]) `" }# u7 c) o' |
9 h- X8 i6 y( A; fset-plot-x-range 0 xmax
; ?, C# I' i1 @: e# `" Y, E* |0 A [9 f# _
set-plot-y-range 0.0 ymax& r% k' I( B$ H: U! h
end+ i _7 T* L7 c' J/ a5 w& a0 m
* K9 L7 }/ v B- x5 g6 Z( p! L
to setup-plot3
4 d; |6 i: H" z. ]( `8 U8 T, M* |1 y$ c" f, X. Z
set-current-plot "Trends-of-credibility"
3 N' Q" w! B& g) j! P5 W+ J
' n8 z5 p# D' k. ?0 Y K1 [8 \set-plot-x-range 0 xmax0 c6 T$ w& i: B0 `7 A* J! s2 S
: @4 f, P- N( s; N( kset-plot-y-range 0.0 ymax+ _2 i5 n6 E% D& F
end" ^& d/ b" o1 Y, U3 Z
v* @# [! b( l1 |! H
to do-plots
+ K- ~! n3 \+ n% [set-current-plot "Trends-of-Local-reputation"
$ b6 B5 ]: [5 Y" }. H, eset-current-plot-pen "Honest service"0 [) }9 K7 ], d! S& ?* ]! T- R
end+ | U f I3 k' R/ J7 y
A% w% ?6 q, F; o[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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