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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
( ^; B3 @& f7 B+ _- Yglobals[
- _4 B( L! k f! m( axmax% k: A7 w" V' ^$ |
ymax8 ~$ Q% w* m( T8 @
global-reputation-list7 x7 l0 [: V+ c2 a
2 ~ W* U' L3 x3 e0 {1 r
;;每一个turtle的全局声誉都存在此LIST中
" Y3 M4 S* L& Wcredibility-list/ i0 m9 |# ?/ `" R0 {
;;每一个turtle的评价可信度% h# a+ x N& {( \ P" j5 x& k3 {4 e3 b
honest-service
2 _$ {1 U2 h( q" t! iunhonest-service( v X' _1 y2 Q, h6 v' }
oscillation
- }" E* _- S0 Xrand-dynamic
. E+ Z* L1 p6 G" K& ^' O]
4 [0 `: E5 \$ B* l: |$ G
/ K: \( N. b$ Z, U0 sturtles-own[
! o! f$ c9 \8 W4 c/ Ptrade-record-all, m+ a2 q' D* x/ C1 X/ ]
;;a list of lists,由trade-record-one组成
7 M% N& M/ U& F0 F7 |trade-record-one) L0 ~/ N9 J1 b2 C. W3 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
$ c- z2 e3 b+ L
8 _4 [# L1 c& R A/ q l;;[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]]. s& P3 Y( A3 R0 X
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 _6 n4 N7 y" Q% E& H& scredibility-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- O$ m' j& Y2 n( F. A' T- _0 q
neighbor-total C" o; k: J: }, K4 s. V: @
;;记录该turtle的邻居节点的数目
: {( K3 d$ }% N% r w5 d/ Ytrade-time( m( L' `9 O, T: U8 u
;;当前发生交易的turtle的交易时间0 l( k( r$ V8 l' |8 q- h' ~4 x
appraise-give
2 |) F8 Y) q7 I' G0 M' g1 g;;当前发生交易时给出的评价' `) G* w" e. H/ ]" \. j6 m7 v
appraise-receive7 v+ v; x% l, j( ?* n
;;当前发生交易时收到的评价
$ r; s# V6 b0 T2 sappraise-time
8 O. K( ]- N% l; s* `;;当前发生交易时的评价时间
( T+ j8 }* y% zlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
# M; P9 J% \- |6 Qtrade-times-total# ~, c. M. {4 w: k1 ^6 w
;;与当前turtle的交易总次数
/ _4 e5 R( w1 j! Vtrade-money-total
$ a! k4 e2 `4 B. d$ N4 B3 L2 n% f;;与当前turtle的交易总金额. l p( |" v$ ~% p8 g' }4 s4 d
local-reputation, m* A' E( `5 T. A5 E3 q
global-reputation
* N0 G, O7 w* Z6 n1 M7 ~1 l+ J# zcredibility6 s" `6 ^* f7 l4 z) [
;;评价可信度,每次交易后都需要更新
/ N9 e, Y$ N, E6 ~- Y- |8 I# m8 K7 |credibility-all
3 c( V1 a* v7 G. [; i1 b;;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
4 t! C+ x4 @$ R' f8 j0 U
7 d$ Z/ D5 u8 Y2 N/ ^8 {+ ^;;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
- r5 c6 j, u2 x6 vcredibility-one
& E; b h* a6 c- C2 z& b;;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+ K/ R( b1 e$ l$ i% c
global-proportion
, Z+ h4 Q' F' x0 o' Kcustomer# M# C( s5 t* e2 a# H
customer-no
/ o( `% c9 C M3 T2 ]# Vtrust-ok: ~, z ~, G6 u$ \8 b
trade-record-one-len;;trade-record-one的长度' H0 x3 q# o+ G) \. }
]
B0 ~% S4 L' U. Q0 D" J, L1 n [$ Q$ ?: S9 H/ ]
;;setup procedure
4 v Y0 ~4 q& i& E* I. i4 U4 O% M/ A; V
to setup* L4 }+ Z5 r2 [. ]; W
2 F0 v7 f6 P: E7 [8 _ca
, f! P$ B) `: j4 k1 G
X, p/ m6 `, L( B+ winitialize-settings
' k' g5 E$ }: w- V* }7 X. P' e: Y5 @3 S! Z
crt people [setup-turtles]" r2 d/ ~' M# v' J% T4 y9 n& u/ y5 Q
; V7 c+ o* @. n( j- F
reset-timer; I1 g4 m' P2 l
8 U3 I( N4 ^! P1 t$ g
poll-class
/ P, ~4 X) @8 Q! F
1 |% P- x7 J D' Q( @setup-plots
& b! _1 n; E( o: l8 V
. W0 r9 a7 W+ H5 ]% tdo-plots
2 }, w; H" r. {4 v- ]0 wend
3 h, h+ c0 c4 }( s3 s9 d' z
8 j& N9 l3 ~5 }/ Q6 R0 ^6 `to initialize-settings
% O4 [6 \( a8 @5 D
5 R; ]! o/ ?( xset global-reputation-list []1 P- f3 r/ C- S$ z; g; d( t
: n. K( `! O8 r3 g/ b- B( Aset credibility-list n-values people [0.5]
7 N2 j3 e4 d {: D( {( b( b( ^7 ^ {" a9 u7 r
set honest-service 0! A2 ^1 f! r' z( G
6 V( }2 M* q( c% b9 a% d
set unhonest-service 0! @+ u8 [. l. e! {
: K9 }0 F/ N2 ]) i! p; w% [
set oscillation 08 e L: \: {, Y/ b
7 m1 i. ?0 S% a9 t/ H ` O* Z' f
set rand-dynamic 0
' f- N9 h4 {4 p F3 ~2 E+ [end3 ^. h6 B4 a' k! G9 K
8 x e. K4 ^. N6 j. y
to setup-turtles
! k- {' @! \- S/ Qset shape "person"
! E$ F; u4 r9 q( Ksetxy random-xcor random-ycor
7 Y B9 S# j6 T" s2 x. aset trade-record-one []* F* H6 o9 j, |9 F: B$ X( m
' s3 q2 c1 k! E% Pset trade-record-all n-values people [(list (? + 1) 0 0)]
4 [5 k" F& Z9 }2 x c8 }" E/ N# e- ]5 `
set trade-record-current []
+ [; B& l- B+ F: @1 x/ X# D' A1 Aset credibility-receive []
: J U+ R% S; z$ ]7 Cset local-reputation 0.5
& {- V" E9 q* d( f8 uset neighbor-total 0
) j9 d) d- ?& i' s9 \- z# p O$ Fset trade-times-total 0) A" i, b7 L1 F# W8 G8 o5 e% m
set trade-money-total 0" ?8 s* L' a" |& c
set customer nobody
, Y0 _' G$ {# {4 K7 C6 eset credibility-all n-values people [creat-credibility]
2 S; u; I- u! K" sset credibility n-values people [-1]
4 S9 e7 P: i" ~. Aget-color
1 \# T# v1 X; K" V$ d% _" k# b3 M% h5 {/ f5 \/ b! Z( g
end% f/ z' } r: L6 ~& ^' I" i! M
7 j% m' K7 l) `2 K5 Tto-report creat-credibility0 I6 i8 o6 t3 {) s
report n-values people [0.5]3 c0 D ]) a$ D" L' Y! q: B
end
* s$ S, p' r' G0 L4 z0 t: n
9 S. |& }( B2 {& p$ @+ D! }0 |8 C, Ito setup-plots: u! T1 a' W5 P7 B
. d/ }) Y: Z6 {+ d, _set xmax 30, _: y6 e3 f. }0 J( J4 l
# @6 j t) M: b
set ymax 1.0
$ }0 M. w( N/ M' y6 Y) d2 s* x1 l& }8 Y* K
clear-all-plots: I- ^% x& q; B: ]/ f) k: w a
2 i% L$ Q; z0 }2 a- jsetup-plot1
8 A4 S8 |5 Q8 [; o% H
/ M$ P0 \$ b$ k. b, c% Lsetup-plot2
5 N. T. O& y, r" o, ?2 x" {/ q& v* |9 t* | c9 h9 V
setup-plot3/ j( \4 l" M, X# i0 z* x
end1 t# ?( G5 S; c" K8 @0 y# R1 V
$ q! g0 Z4 p' I- f% H/ p
;;run time procedures
* _1 b; |9 g$ r: r
/ @' J4 c1 M( [4 l0 Z2 F0 i" [to go7 m j# C8 E6 H% K, h
' v& y* H+ y( s( k
ask turtles [do-business]
5 P4 b9 P, ?0 W1 I* B( Tend
9 q" O, W" D8 L3 G+ k+ b& w
* C' d# L+ C F. Q" Sto do-business
) |1 J5 o0 _, ?4 d" T9 _/ J3 u* F
9 N9 n% e. I$ x3 M7 \
rt random 360- J2 s0 T# S2 I* Z: R
- ]& g$ v# z3 M( [( v& J) yfd 1
5 `6 |9 d; x. K" P9 w9 l$ }$ F5 p8 p0 d9 n; S: H8 J
ifelse(other turtles-here != nobody)[( @( n& i4 a3 x
2 w/ H' C# d1 @- q+ h8 A. yset customer one-of other turtles-here- l& p& Y) o, J. N \# L4 g7 r
0 g0 }1 m% Z, [. E;; set [customer] of customer myself
! ^5 Q" n+ e1 e# f- h: ^2 D0 g4 ^7 H) Q- ?* x! v
set [trade-record-one] of self item (([who] of customer) - 1)
" V# V1 z8 N. T( q9 D; L3 k0 M; L[trade-record-all]of self
) I5 a/ P* B/ f; D( d, X6 j;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
% A/ C: P, X4 [7 \
+ y! E/ [/ r2 o: o. I" `set [trade-record-one] of customer item (([who] of self) - 1)9 T2 B; |. Q6 r- I
[trade-record-all]of customer
# P* ^* {, ]! X) x3 }4 Q- q$ }9 ~& x+ `: ^
set [trade-record-one-len] of self length [trade-record-one] of self
1 P) N* F2 H/ Q
! h# [3 i2 R ^5 Rset trade-record-current( list (timer) (random money-upper-limit))
$ o! W& [& c! [6 ]
: u0 T; U$ T; ?" r6 T- t5 }! aask self [do-trust]
1 J- m M# L$ | U+ f;;先求i对j的信任度
$ A# @1 F; A8 E% r' R U3 h4 N' b( _( u/ r2 n( R/ U, Y b" X3 A
if ([trust-ok] of self)% w) U6 Q3 q$ U# K
;;根据i对j的信任度来决定是否与j进行交易[0 j T7 z. L! L6 W( l
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself, L/ A9 `+ Y' T. L( ?- {9 s% }* r
+ A" o( x$ X! F. E[
9 a x1 U$ r2 {( z+ @* K/ R, C0 K. c- h+ Z: r
do-trade
) I" ]7 O* V1 R+ X4 w$ G: _' j& }8 p# ~5 B5 A
update-credibility-ijl
0 d! F' K1 f3 H6 a
{- g& `' w! u' R8 Mupdate-credibility-list
% x% t+ ~) K4 r5 O' p% X5 i5 X' ]: x/ j* p" x
9 m4 ^1 o0 s# n! L" O) h
update-global-reputation-list* r, z1 a9 Y- f$ R9 e; M, B
2 ]! J- g- G0 l
poll-class
- ^5 i" Y$ g; _& Y, M/ _- h/ V. e+ z) n
get-color( }# C( `7 ?+ ]. k
4 M) l$ T/ w+ r# Y! W]]
( W" y* Q+ O. I, t! u' x. r& Z3 l: l0 E( O$ z
;;如果所得的信任度满足条件,则进行交易
# o% v3 ?1 i4 l0 Z0 a' u
2 r, K* u% Q! A( b/ [2 H+ J, A[9 z- e9 B# O, {+ S
0 [1 N' T( O) h" i. B# G
rt random 360
6 R3 V8 g d% n* r, E6 f$ e9 Z* |/ I1 e0 _, o+ K# n% G$ _: N$ Y
fd 1) O; S( a7 {) m
; o3 B$ p! f9 L; C+ a
]
* ^, y7 F1 @( V+ w$ t* r5 }
! y% L2 q" @9 d0 C6 e. C8 Y# ]8 iend
7 I$ O/ c5 C' ^% y) J
3 d8 |, v$ P& q zto do-trust
( V- J$ z3 }4 _set trust-ok False. b2 S6 W2 J+ c c% V
5 Z1 G6 \" I' f# i# M2 ^2 ]4 x, m) f3 K' y, }% s1 J
let max-trade-times 0
" [$ N* d; I# \/ N1 nforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]1 r6 e& w5 X$ H9 V4 m/ _! P5 c' f
let max-trade-money 0
; r' y& y* B$ P% Iforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]8 i w, U: ?% L$ S6 p" ^
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
* W0 Q# P5 m& A, l1 c5 ?$ g2 K' T2 g: c
" J9 [' e: P* R. L% C2 g4 gget-global-proportion
: r; p" F" v$ V6 n3 glet trust-value
; ]; o0 k5 _, o3 o% {& Plocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)0 H& f# P, L' \5 i7 W' {7 g
if(trust-value > trade-trust-value)
9 u0 \/ u1 Z! Z f3 [! {[set trust-ok true]
& v$ i( q9 }! Cend
- F6 u7 b3 F; W! _1 k" M9 P. v; E' X' k3 a; s" }
to get-global-proportion
9 G. Y" Z. }, ?# s! Q' s# J9 { [! Qifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
# L, G- J& `* t5 ][set global-proportion 0]
2 A& z- b0 m( N1 I- V0 F/ G[let i 01 O- y* e1 S! O
let sum-money 0) F' m! n/ {* Q9 D8 J
while[ i < people]
5 A$ f8 J& v! w; D7 l2 i d# {7 v3 f% k+ h[( U6 o; q. q8 o: d1 P% I
if( length (item i# v) @2 n5 G. L, U* \; `
[trade-record-all] of customer) > 3 )+ V! b) \$ d& s
[
7 o$ D4 O% a5 Y# `5 yset sum-money (sum-money + item 2(item i [trade-record-all] of myself))6 e4 r: H9 [* v; S) U
]
* u, _, R* B' L A]
$ t( l7 M( }. \let j 0
% R, {% ]7 @; k0 ?# Zlet note 0- k4 L2 G5 B) K: A% }
while[ j < people]; h- a2 B! Q2 Q
[
) g8 K8 c) `, Bif( length (item i o. K J6 ?5 M
[trade-record-all] of customer) > 3 )5 Y4 ?. x: d# f$ P. u/ t
[0 R0 G* k! l; d: y/ ]
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
% Z% N3 {/ y; Z" F% x[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]. l" l5 z, ]7 R2 ]' P% e" v7 o
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]. ~, n0 C% n5 P* `3 M9 i
]
% K! p+ m/ V, n$ b]& d/ k% }' L% {3 @* d' X8 a
set global-proportion note
* i c. n7 o' b]" k$ p5 y( C* f6 f4 l4 N
end, x; u, N' e! s) [) T
7 [5 N; d& P) A8 r/ G6 G& {
to do-trade" A4 L; Z8 }: e/ q
;;这个过程实际上是给双方作出评价的过程: [" O; M) |6 m4 }2 R/ h, W
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
3 }) G7 u5 }- v- u& vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
8 M" o7 w7 d; e0 Q% bset trade-record-current lput(timer) trade-record-current/ y7 i4 V, H9 U
;;评价时间
# K9 G' ?6 w: S7 i2 Q# a0 \ask myself [
) _# t* r% a- l$ eupdate-local-reputation) g! w, X( L$ q* O; ?" U
set trade-record-current lput([local-reputation] of myself) trade-record-current! a- T4 O4 Z/ o' e% P. p
]6 `. Q) }7 w4 L. T# g
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself$ U4 ]/ C1 L: B+ f/ G) _
;;将此次交易的记录加入到trade-record-one中1 \& u: t, ?+ C1 [: U) H0 ?
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
/ ?1 N5 p* @4 p" \! L, k2 glet note (item 2 trade-record-current )' k5 c: l% z$ `8 |8 v
set trade-record-current) ?$ G, x$ ]1 e3 u* m7 z! k2 Y3 H' ?
(replace-item 2 trade-record-current (item 3 trade-record-current))
+ D( J, T& ] q( f' d9 X. e" fset trade-record-current( \- e3 Z# R$ G: B
(replace-item 3 trade-record-current note)
! {' D4 I3 A( W9 c& N9 h. K# [ `- m( G N. L
" w% j t Y0 J7 Gask customer [( m; m7 }9 s2 R
update-local-reputation C9 q7 w/ O) q' N, ^
set trade-record-current( Z* C9 l! N- F8 D& N2 Y. u0 i
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
, D: S, i9 p5 E- ~ a7 _# O]9 [2 G# \1 U- h' ]
( T7 v& N9 A9 J# U6 Z |1 `" \/ z4 z7 A; g+ y0 i
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
2 ~3 h& H5 I7 z: _ M' h+ d" I$ o
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))% _7 N9 X( {2 k, h% |
;;将此次交易的记录加入到customer的trade-record-all中6 Y* T, ^& L- ^8 B. `+ C4 [
end
9 m4 V$ x& p1 `- I6 k0 |
6 a% \" b7 |# R- }* b! Mto update-local-reputation
1 U" _" Q$ h# J1 ~# vset [trade-record-one-len] of myself length [trade-record-one] of myself: q+ |6 Q5 C" ~
8 N! M8 |5 f- m3 ~, b" T; k
3 s1 t. m3 s1 }% j
;;if [trade-record-one-len] of myself > 3 0 z: w4 |7 L: `
update-neighbor-total
! \4 c9 o' z& Y5 K1 q2 X# q/ f3 C;;更新邻居节点的数目,在此进行8 `5 B8 R% d' L9 U
let i 3
! ^. F' S i Z( b: N) {% _' Klet sum-time 0' @% B2 T4 ]; x6 I1 H: m; k
while[i < [trade-record-one-len] of myself]5 k N4 W0 k/ a* f. _5 } e6 ]
[
/ T+ E4 ?( c% _" V& j* yset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )' V0 `! l: h( D& ]0 L
set i
; L1 L6 \1 [6 B& x6 ]( i + 1)1 V( U' O I+ @1 h: k, f1 s0 B& _
]
; O. K# N; @& V9 G6 z: Dlet j 3$ ?1 u5 I0 a5 E4 {* h0 `
let sum-money 0! u7 Y: g0 k/ N J6 R3 G! ]# N
while[j < [trade-record-one-len] of myself]3 Q8 G+ P: _8 [. T/ {! ]8 ]$ ?
[; D" Z+ B3 ?* b* w3 p: {
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)4 c* H9 ~9 J+ V+ [: O& c( G9 A
set j
7 Q5 Y3 L& F9 t( j + 1)
8 u4 X0 T; K& Q X. |/ X]
# p' ~8 H* N k1 E0 t5 Clet k 3
2 U) O8 s7 b7 [! J; c- alet power 0
( k2 s* P4 o1 m; l& [' }2 Z' B# N, ilet local 03 M) r% L+ ]8 N5 u9 p5 d
while [k <[trade-record-one-len] of myself]
4 u! e& M! d3 |4 q$ M) y[: I5 G8 m: B) U( i3 i2 y7 W
set 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) ' T' f/ m, A6 p1 Y) i& @ S$ D
set k (k + 1)
2 z2 y! L: R: [! }9 v]
2 F; D* a% ]# A# X* s+ a" T5 _set [local-reputation] of myself (local). Y2 x! T4 n( U
end
Z" {# C/ n1 `& U7 \) V, j1 c1 @& Y0 w5 w: i1 ]0 X9 b! f) U
to update-neighbor-total7 e+ {2 t% W: z5 R; p, K
- ~5 f) D- z' `3 H5 jif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" p8 k/ v1 M1 O7 V7 O8 ^$ e
9 T6 E* x' r" k* b- I# i; p1 k: h& c6 D. I2 p* w( `
end" `# v' v* P$ y
6 @$ Z& f/ d8 S- A, H1 v
to update-credibility-ijl 9 d0 c! J% {2 P# _
: H( d, U$ o) c8 d7 P
;;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。
# g i, _$ Q/ r/ z" e3 E! Clet l 0
' U% H( [2 }9 N8 ]0 i7 C2 uwhile[ l < people ]
! ~: F. p! _7 _0 Z" P9 e; k# r) p;;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 R* {: m& J/ }" n( E# ]- `[
( | Y8 G/ S; {" r& H8 elet trade-record-one-j-l-len length item l ([trade-record-all] of customer)% l# o' q5 b( q" T' n R
if (trade-record-one-j-l-len > 3)
; s- H ?- F( j( J' ?2 K[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
6 o1 Q3 {9 V# s9 e- [) V/ J! Ulet i 3/ [% { g- V6 F* _5 R
let sum-time 0
8 N$ o9 y# R2 e+ y% y W9 Zwhile[i < trade-record-one-len]& ?8 G2 L& ~: t1 s
[6 b2 B& L; z6 X$ U7 r8 w J
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ) `3 `4 h- M6 `, a2 _6 D: ?7 D
set i
3 V( Q( T2 K, j5 r* G* t( i + 1)) ^7 f$ b9 g! P( b; y$ i+ }
]
& V' M2 X6 D$ ?2 jlet credibility-i-j-l 03 r& C7 k% U t% V
;;i评价(j对jl的评价)! b+ d+ a: R7 Y% a; C4 z- H3 Q
let j 3. g+ R/ i& K' q5 i- m
let k 41 v/ J9 v* o; g5 J/ {4 h0 `
while[j < trade-record-one-len]
* Q& O* R( e. t[
: z/ Q4 `9 A2 h0 Cwhile [((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/ y: `* A% j/ P; J' o- d) c. i( ~) L
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)
9 Q/ h+ ~, r: j+ I4 @/ U# Kset j
. C; ^1 M; x9 ^( j + 1)# p4 }/ J3 o6 b K
]
5 Y" b D7 Y) D" D$ F" n7 Bset [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 ))
" u& O: [9 k% ~0 O" k) x: Q4 c; i$ I0 W* _5 W* ]
1 p9 g. Y! B {/ r" ]2 L$ blet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 s5 y4 F J5 n: [: W& ~1 ?8 c;;及时更新i对l的评价质量的评价 C- p7 d8 |* O
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]% s B; i# Q# V0 Z' I
set l (l + 1); @/ m! g- Y, @, j% ~& V
]3 v$ W& |/ s2 N0 b0 {8 m4 V# p6 |
end' S& c# x) {; F7 E! O. Y
/ L( C& K T7 I1 r
to update-credibility-list
$ \7 z" Y# L5 E8 t1 S) s$ ]9 O _let i 0+ k! X: Y# ~5 L8 N8 e- w6 c% {
while[i < people]6 ], N0 F/ `% J, y6 A
[
1 ~3 R. e5 Z5 F9 v+ @9 x2 hlet j 0
: E. T& V' m. I( ~3 Clet note 0/ N. M4 f* C$ U# d
let k 0
- W$ F1 C7 r# }* X; i1 x# _;;计作出过评价的邻居节点的数目
( r# o: H, N; k$ ?! U$ m2 d4 ?while[j < people]+ |8 T5 N- Z5 m; |
[
5 j% s, Z, f: S( v- d+ [if (item j( [credibility] of turtle (i + 1)) != -1): }6 h# r0 L9 I' ] P
;;判断是否给本turtle的评价质量做出过评价的节点
$ R! Q5 z$ S& Y6 P9 e[set note (note + item j ([credibility]of turtle (i + 1)))
: _: z/ T; N5 m# P4 e. }5 };;*(exp (-(people - 2)))/(people - 2))]
) A3 L; a4 b4 ^; q0 k0 Kset k (k + 1)7 u2 [1 W: l2 a- D0 P2 F3 S0 l
]% ?; x7 \- o4 E2 c% m
set j (j + 1)/ _+ R/ m2 a* z2 G" u
]
/ ]- b! E7 I' ~* I; H c1 L7 Kset note (note *(exp (- (1 / k)))/ k)5 M- ?5 Z( Q, O6 p; n# g, w
set credibility-list (replace-item i credibility-list note)
6 X( q9 K8 T* P& Y- B$ zset i (i + 1)
- _% v4 i* ^- @]9 X t6 ^* P, V* w, B, y ~
end
0 y: R# P7 ~5 R. w$ v
! `( c. P& a) S! n( T& C; T+ {9 Q7 c9 {: Gto update-global-reputation-list- a% A1 v$ r o$ a/ Z. x
let j 0& y% d4 D% a+ u2 K$ k
while[j < people]
/ p9 s/ T5 s- c[
( d2 Y3 A: h2 _0 `/ F# T0 k0 d5 Olet new 0
6 W) V! f/ u' E( f8 H/ ~) v. E;;暂存新的一个全局声誉
: R I3 z* K( |+ G1 d ]) ulet i 07 ~2 [2 I. i: s8 x4 Y# f
let sum-money 0
+ i$ I% l' t D9 B+ S' flet credibility-money 0
0 B p+ S' u. nwhile [i < people]! ~! Z. V* r/ p2 W, a
[, j4 r, ^& C# d% V6 y
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))7 H% f* \3 V' [6 i! X( M
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
( l0 l8 a! H+ k% Y3 L$ lset i (i + 1)
4 `" B a2 L7 U( \8 D) h+ ~]9 Z5 V2 m/ V/ B" q6 I
let k 04 X" B8 U$ M' ^, Z" e7 V6 v! |9 t
let new1 0
, b0 \4 B( ~& Q8 e$ ~% }6 lwhile [k < people]* s$ x- B( _, ~, q- S' E. }
[, r/ {0 G7 _1 x2 U$ G" g4 l
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)
4 _: N! a3 E$ I+ f3 Vset k (k + 1)
. Z& H* V2 X* M7 U]- j3 V: Q6 b1 @9 d
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: H( t0 k0 y( Z: Pset global-reputation-list (replace-item j global-reputation-list new) _1 g% f4 N3 z7 y
set j (j + 1)$ ]6 W" D! o2 `( X8 o v# k
]5 Q5 B5 {! C0 I4 i
end
3 a }/ M( x& o2 q7 {! {: p4 U- w) X0 d- @3 n3 C. D2 V
. p, x' G; C8 K6 e C! R
, }; c$ u/ ^ d5 sto get-color
! Q3 q6 }: J2 O, Y/ ?# w& Z0 C' z2 R: `2 P6 K: F
set color blue1 f. y$ t/ Q3 @: L7 n
end
|3 L! p9 ]; K3 @9 K6 s! L- u* l) d' N4 I) A
to poll-class
: \; I) \) E8 G+ X/ pend0 p w& Z0 y* J" F3 G# T: Q
. d* q! F0 V ?6 lto setup-plot13 B+ N6 Q5 s& p7 n
) Z2 o( o3 ]5 H/ E: Bset-current-plot "Trends-of-Local-reputation"" \4 Z6 T( _' j; g) {7 H
& q. s8 ~; p6 |) `4 m6 d
set-plot-x-range 0 xmax
- K! D G" j# q# j7 J% J6 l0 o+ B7 \) D1 K9 n
set-plot-y-range 0.0 ymax
, W' p+ z+ u+ M5 Tend, a, v* B( O, P0 {/ |
, K7 c6 E7 x1 L3 W, |
to setup-plot21 }, ?( G$ M. H \
9 Y# ]8 d& W8 @set-current-plot "Trends-of-global-reputation"
4 K; h; b R& p E) z% n
`' y/ {5 r# L0 @/ l$ `set-plot-x-range 0 xmax
' V/ s8 r$ g5 u% E5 v/ ?: p# o" D- X) f0 K7 v, r& a! v: I
set-plot-y-range 0.0 ymax6 T, u5 ~) ^/ N, b9 e! m
end& B& D! C g$ R. }, Y, F& m: c
' Z6 E1 t8 h. H. `3 J
to setup-plot3, B( Z/ U4 n& w; Y1 F# r
2 I; G% S) b$ U! `
set-current-plot "Trends-of-credibility": d. }( t9 \( D7 p
+ y K7 n# T; A9 y, l) C0 }0 \- kset-plot-x-range 0 xmax/ [1 Z+ P& g% P5 z; n4 A
! A) U' |; X; E$ n0 Q. n0 t
set-plot-y-range 0.0 ymax& Z8 @! y( a) C( K- ^
end4 l/ W& r0 \- m# Z$ Z# E H6 \
/ o/ ^+ c) L4 ?+ ^3 R7 V: i: h) jto do-plots0 W. l8 `: K$ F t X5 K6 L
set-current-plot "Trends-of-Local-reputation"8 b' V3 l2 s% D- v
set-current-plot-pen "Honest service"
. B2 q Y+ d! T; u0 send% J2 _5 m) J; [2 R P
5 {3 h; A+ F# F* y4 O: h) W[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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