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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0 C, Z- J$ z' I, }7 d r1 Z
globals[; L: v& W5 [4 e
xmax
) l6 d, ^) {& r5 lymax
1 v0 M1 f, E, Q5 b1 _, A/ aglobal-reputation-list
; @8 q* Y% z& Q, A5 z6 U* e2 O. V1 \4 c1 _' Y! v1 f1 ]6 W
;;每一个turtle的全局声誉都存在此LIST中6 v% G0 i1 c! x1 E
credibility-list
) b2 a5 d! V: w) X. |;;每一个turtle的评价可信度
W% p' H% j8 g% y( y( vhonest-service# L: J* ^4 `$ z& g: l7 z" c
unhonest-service
# N+ G) ^$ E- T3 c5 _+ c1 Ooscillation
7 D$ b' n2 D1 y3 u( | `rand-dynamic
# T$ l# X/ u% a% b]
/ c0 X5 t# q: E# e
0 W! ?+ E/ l: w1 p. h; nturtles-own[" W- A2 P o0 K$ c
trade-record-all
( n/ o& o+ M! i4 j;;a list of lists,由trade-record-one组成* r' k7 @7 e0 k
trade-record-one+ e* }8 _% X5 C
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
- m# r; |3 N2 L' N1 A: V9 I# B# f: j
;;[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]]
& Z* i% \2 j5 ktrade-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]
5 z9 T. T, V, ^- a0 v, q# J( m: ~3 ^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/ p+ z; r p0 h
neighbor-total2 p9 M; F+ a$ D+ U# J1 O
;;记录该turtle的邻居节点的数目
4 `: h" F5 X- o8 Y1 z* ~) Otrade-time- u+ u% ]/ t6 k" d! _* C
;;当前发生交易的turtle的交易时间! c, q% a% V% Z$ [* ?* d/ v- L
appraise-give ^' ^( k" M8 H$ M& U
;;当前发生交易时给出的评价
& Z7 s9 q( X7 L# }; y2 v% |- v: Y2 Xappraise-receive
% N2 t' _% o, k7 P" T @" _) J2 E;;当前发生交易时收到的评价- K2 E- g6 f9 m! j, Q; R
appraise-time
# ^4 k/ l5 c4 [. n, ~( f+ J- L, w9 };;当前发生交易时的评价时间5 `8 g/ ^ r& D' J
local-reputation-now;;此次交易后相对于对方turtle的局部声誉7 x" e7 E' j H; k1 g1 ?7 }# W
trade-times-total3 o+ }1 j! }/ o* R) Y) \+ l
;;与当前turtle的交易总次数
) _6 y: u" Y' g- dtrade-money-total
$ N5 e5 H7 `8 i3 q7 Y;;与当前turtle的交易总金额
) B; ?( u( c, Z9 ~, mlocal-reputation
% Q3 T+ H" D9 L& e Bglobal-reputation
& m& k6 w6 I* Y$ F! qcredibility# D$ Z4 w( G- w$ `# y- D
;;评价可信度,每次交易后都需要更新
) }. }, l, o+ I. A* m0 S1 Fcredibility-all$ z! p0 q! c# D; o& G9 r: ?$ R2 u7 U
;;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
" y! ?. v: H' N/ r7 X( T: [2 W2 b+ O2 O7 q' ?! f- c7 q, q
;;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 H- q$ K2 I7 l9 [- A' @6 n. k
credibility-one
5 L+ v5 S1 P. J# V# g;;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
3 V& j8 {0 g1 W6 A/ w5 tglobal-proportion, e" J: ~0 d9 D x& a% ]) \ \2 r3 W, G
customer
* k) f |, B3 t X% O- a3 ^4 l& K1 ucustomer-no7 |/ ~) v) T) }' `/ m9 y+ u
trust-ok) F4 @0 z8 D$ O
trade-record-one-len;;trade-record-one的长度% u2 |$ [3 u2 o$ q) m8 I& F, o! L
]7 q+ V0 m6 r9 M1 _
1 G7 c! D$ X9 r;;setup procedure
4 C1 F* B9 ^* J# q" s6 ~) U
. _' h0 n& S6 U. A1 a: F) Fto setup( `7 c: q+ o, {$ }% C5 G9 V
0 C$ ]4 O/ }" i
ca' f& V, ~& u/ A& t5 C+ Q
% y9 L! c! [; E% f+ c
initialize-settings
5 ]4 j! |3 U2 e& F( z4 Q7 j0 v
2 R/ s* ~/ B( y" J* ^0 A" L2 ccrt people [setup-turtles]% I' s5 a7 z2 {
' n: |6 |2 V+ ?! w. A6 L4 |
reset-timer0 `1 S0 z3 F" x, S+ w+ @3 I
0 e" {* e5 n/ v' N0 Z* T7 o7 G5 W
poll-class& R1 t% a) E! O- o3 w
& b; |9 }# J* `4 N; j9 {+ j
setup-plots( Z H1 u7 b; F! v& @6 N
' q3 t3 M$ F5 ?% Ldo-plots
4 H, ~& e: k- L6 a; `3 R1 {& nend
: Q! x* R ?! l( Q
+ L: }3 ^! ]6 e4 Q3 Gto initialize-settings% T9 N. n: m/ P4 \
) c' r5 N) R; N" D" d2 l' Rset global-reputation-list []3 w1 R% o/ \7 G5 K) _+ b! g; z
; c, z; t6 \; Z( ^" Hset credibility-list n-values people [0.5]3 Z* @6 A; B# M& U( i: b2 u
' M) O5 U/ w. O- T) [! z) l( l
set honest-service 0! k- g* D0 } g9 V4 R
; T8 \! T; q' |2 p" Kset unhonest-service 0
! g+ g/ r T$ w8 k6 @5 t+ V1 T, \$ _' z4 Q
set oscillation 0
& [; [# m& y2 ?! m" S7 M6 p/ B8 e- a5 J5 l4 r. w. C6 h
set rand-dynamic 0
0 z& U+ ~1 `( H, P0 d% S+ dend
/ Q' ~& L3 B# A: S. m$ W0 v5 u# V. ~% @6 s7 k8 q$ j* j
to setup-turtles & r% v* p! J- @4 \
set shape "person"
* A( L: Q! H4 T0 jsetxy random-xcor random-ycor9 I6 |% G8 i. Q
set trade-record-one []. n" T: h1 H+ I# |6 `4 \* e
% l: ] P- s' e' b/ ~set trade-record-all n-values people [(list (? + 1) 0 0)] 4 ^2 s6 X5 M9 {- S: Q! z f
) h$ @$ }0 z; u- f a
set trade-record-current []- s5 ]1 |- g3 z! U9 Z# Q0 }' o$ ~
set credibility-receive []7 y z2 _3 L4 @: L0 {
set local-reputation 0.5
; W( T7 p" p" f7 S- Cset neighbor-total 0
( J, v0 W6 ^! j& zset trade-times-total 0
! a, j/ ?4 C3 K lset trade-money-total 0 K; e b- ] e% u& Z# M: G2 G
set customer nobody
5 V) b5 V0 j# f( ?+ t3 M( D1 iset credibility-all n-values people [creat-credibility]" |' J' H+ a/ v
set credibility n-values people [-1]
! ]; l7 w5 ^0 w) a9 ?& j5 p) e5 sget-color
+ f+ c- F* U1 G" G. _2 Z/ o/ R4 e2 b1 O1 x
end
* E/ J& g1 r1 G$ u0 G9 K* i6 H4 @% C4 i
to-report creat-credibility/ h5 N9 s! f8 A6 C; ]' i
report n-values people [0.5]
0 g9 E" s+ ]8 f) c& o, mend: k& b/ w4 c; `: ~
3 ]) i: x# _$ Y$ A: Xto setup-plots
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set xmax 30
k4 n# q; }$ j2 H1 @
5 p- x/ }# p7 K' f0 U1 J! Hset ymax 1.0. M) P5 T1 W( w
" ?5 B9 E" [% E; ~% y
clear-all-plots# l% w* h; O3 @- t8 H& r; e, b( N
2 i! H4 h- u* y: B1 c" q
setup-plot15 [" N5 ^/ z/ H! W# f
* K4 ?8 w0 z& r0 v: F& I4 z- isetup-plot2 E3 [9 A* B) d3 b( A, h: b
R, X0 g; ^7 }' g. x) C
setup-plot3
4 o! [( F% c8 ]8 U u) Rend
' O4 _8 }$ d% I, x7 D% p: ~3 @9 y% n/ Q
;;run time procedures& ^; [; E3 T$ f8 p
- z/ R* d" {5 m9 |
to go
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ask turtles [do-business]( E& j1 {$ I: g( U5 T, i
end
- N& M$ z, _$ ^1 w4 ]
" @' y8 z6 M1 N! Y i$ C9 j* W8 ?to do-business
4 E8 @) X! @: l4 E& _6 r: L: S0 O) j0 B
( f1 I6 O9 v6 d8 i2 Q g# f, qrt random 360( e2 V# \3 R' B
/ m4 G9 K% m5 e
fd 12 I( n, C1 o/ H1 J& F
& g( z) x8 G) m) b! K. N) ]2 sifelse(other turtles-here != nobody)[
9 b; a4 z; X) A+ ^/ r$ X
/ e- x! N- T: Z( uset customer one-of other turtles-here% b* O) c% F- x; l. M8 j
# Y' l, f& q5 U( y/ l% q+ a;; set [customer] of customer myself l5 w7 k* m/ m8 { J
) Z; U2 c7 e7 j" i' K E2 f- _
set [trade-record-one] of self item (([who] of customer) - 1)
$ C4 T _5 q b[trade-record-all]of self
) N( g/ A: l5 Y6 D/ e" r* c;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
, n) {- J( L: w
$ R2 l1 _8 C9 [2 u! @* Y* Qset [trade-record-one] of customer item (([who] of self) - 1); b9 p5 Z+ b8 N1 `- p/ j
[trade-record-all]of customer
: w {9 Q" |4 p/ E9 [! ^' {- \* F, _& a' V. ^5 X) U+ a1 f/ n1 k
set [trade-record-one-len] of self length [trade-record-one] of self- a* M1 `7 [- J6 p& \- h
$ ~$ _) g# N: Z
set trade-record-current( list (timer) (random money-upper-limit)); N L- R, m( g8 s0 c
& U, N) c5 u9 n1 M* Mask self [do-trust]
`) \; [0 P5 a% Y/ b7 b;;先求i对j的信任度
! \8 {+ j' f3 c& R2 U
& t- U! e+ j2 p& L$ l! J: H+ } Zif ([trust-ok] of self)
o l1 \" M& d0 q6 F/ U# D, {;;根据i对j的信任度来决定是否与j进行交易[ }* p# @: I1 \$ ?5 I
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself& e2 ]. M+ L# w( G! }8 E/ A* c5 E
y5 w4 b3 H4 i3 o2 h$ Z, V+ n
[
/ a+ P/ T5 G( ^8 l% y& D/ `" p: u% `, X z+ _% Z: k3 v
do-trade X' R- @* b) e0 B3 s
. h+ i, a: J6 x
update-credibility-ijl
' @* H- z( H; e' t% Y9 k7 j0 x r0 {( i9 M7 b
update-credibility-list
; J+ j' W' _+ q) q- ` Q; [% p' R7 p$ k0 J0 ?* n2 a& V
1 K6 p' a2 ^' ]6 h5 k, u& jupdate-global-reputation-list6 E* ~+ T# C$ B2 a5 t: J
5 C! k. o) |& k/ ^8 F( Mpoll-class0 g3 g, @9 `' l `9 J
, l/ S. @" ^: [3 ^5 Lget-color
# P7 m6 R% S$ u3 N2 ?& Z6 H" x$ i. e/ W# Z: C
]]
8 Q& p9 s& T x: B$ I9 F& M7 b9 f. h! c2 N- L
;;如果所得的信任度满足条件,则进行交易9 m( \7 K9 ?# U$ |* C, L! F& g
2 t4 z" m1 M5 E( E; O8 l
[
3 }) J' Z+ {* f+ b" l) ?1 r O' | A5 ]" Y# _% k) q& p
rt random 3602 d5 P& i+ O7 l% x1 ~
; H5 I% I2 |1 k8 i- g Z& ufd 1% _- L# C1 C( Z+ |0 v6 ?# b( N
" Y4 m9 h+ ]/ W]' O8 i* S4 T, o
# v% W9 W2 u5 K! D, G' P$ r, \+ d2 {end$ p! x" {. [, u* z* r" m# B
3 P _* B& l' N- Vto do-trust ) k/ Q1 D/ K9 m" U ^: n
set trust-ok False
4 H- ? m; w" C4 D |9 p6 O: U3 G2 w7 P! K( Z( l% o
3 K f. e# \. t j" ulet max-trade-times 09 C7 Q; y! f- o; {7 F6 A# x
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
4 J, `( }+ H( k, @let max-trade-money 01 k; Q3 ?# M1 B: `5 N2 x7 o
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] ]* c7 K/ S1 M% U
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))* |- Z/ x, Q; Y% S' ]
8 Q6 O$ }# c9 E, T/ Y5 M' T* b9 U0 T9 H& a- m9 \9 g, M
get-global-proportion
, f( i: M; _* d9 I& J+ ?let trust-value
& y) Z' e( Z. olocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
! _3 _4 w3 l# l' i: Iif(trust-value > trade-trust-value)
/ T6 |9 }* X* G, W. c$ c3 `6 y/ o8 a[set trust-ok true]
' Z0 H$ {- Q8 k3 c/ w- M4 [; h. Eend0 P: H1 `( f% @/ K
% P# p2 E0 Y" X4 tto get-global-proportion
9 e. z+ n- F1 P! a, G# Iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)% P/ D: m+ W$ j
[set global-proportion 0]7 q# l% n0 C5 Y8 ~( I0 d! r
[let i 0
' l" y$ \% K, @1 l/ ilet sum-money 09 E$ g% ]0 T1 r/ t: L, C' B
while[ i < people]
' A& R$ P, W L6 V# r* H[
- T) G1 F+ l* S1 m0 r+ Tif( length (item i
9 \2 S0 Z2 i- O0 R8 n[trade-record-all] of customer) > 3 ). ] h! G5 C) y' e. c4 ]
[7 ]& P5 o6 r) d& ?* {8 @% [! n
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))+ u; {: n. R: g3 j
]' y" S' V6 `5 G0 B( A
]8 r: N- }/ P c w' B
let j 0
* n3 l' }9 d. k: s, n3 Rlet note 08 _3 d% Q1 Z! R; Z/ W$ V. j3 P
while[ j < people]
3 m) m: B5 t: N* [ P[9 G4 |5 ?$ L5 i" K, {% [/ {! D! O
if( length (item i; D/ J ^, [# C6 [1 @
[trade-record-all] of customer) > 3 )! y6 t6 W8 n9 X# X& |/ ]2 B
[
5 @& P9 N, t3 U0 a- R8 l; x+ o [ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
, ~ v+ ~" v! E/ f[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]. E* _* c( h: E; [8 v
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]5 b* e5 p: f' W9 `3 M
]. X# N ]% b: n! x6 G: {' t
]
; D1 u5 d. N( t2 E q9 A$ ^1 d* @set global-proportion note
4 X0 y/ |9 W9 \/ v4 b$ _3 a]$ V+ d* Y9 e3 E+ `: \* J! w
end
- X# y4 U" z6 q, O9 J9 O# Q
. N% \( s' d0 q. [to do-trade
. [7 @6 ^8 i' O2 i5 C;;这个过程实际上是给双方作出评价的过程" i+ W% Z, y; T w
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
- y* y8 y6 l9 }* [7 N5 N% aset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
8 h4 e' n6 j; V6 H. Y3 G& F) ?' u" lset trade-record-current lput(timer) trade-record-current
% Q2 N* [$ _% j3 E" ?;;评价时间6 N8 a0 s& J8 V" C: Y+ W
ask myself [9 \% l3 N/ }% h z
update-local-reputation
9 a7 c/ c* v/ t, j/ V' l( tset trade-record-current lput([local-reputation] of myself) trade-record-current
2 p: m1 h2 A. h; W/ f# l$ Q]
2 k$ O9 o5 E# l- T* Xset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself$ k$ M$ b9 j: ^# K+ h9 c
;;将此次交易的记录加入到trade-record-one中1 {3 y) ]* N& q
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)( X. v8 I* v6 d+ |& o! ]$ K3 V
let note (item 2 trade-record-current )& x- J! d E2 d, q5 x! ]' g& Y
set trade-record-current
3 C! k3 g9 T* J4 K6 S# E: ?7 }(replace-item 2 trade-record-current (item 3 trade-record-current))
- U |+ u+ p- V. T; Q$ mset trade-record-current
. E# t( m u l0 I- r" y6 a7 X(replace-item 3 trade-record-current note)
4 u" L7 P% s' O M5 S6 j% u
# y1 {$ ]5 e' C% |
! l9 d/ b3 P) {, f# e$ Zask customer [
( i7 h8 J6 W8 b+ Jupdate-local-reputation8 @% l# G+ ~% v
set trade-record-current
8 S1 y( E4 k0 [& b: g& b$ I(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
2 {7 r8 a1 f V0 h8 G$ a2 @7 m]
$ s% a! r( f) {' p
0 @1 m) D: U7 L. r
& f% Q3 S f3 D% Q. ^! U, wset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
3 V: ^3 M& T. G/ G
5 }3 ]# i5 F% ]. Q% O2 p$ M. V" ?set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
( y) ~ ]: Z" m+ _8 A2 U;;将此次交易的记录加入到customer的trade-record-all中
4 j0 m" V9 v% O$ @% lend, O# M4 s0 {! F6 o0 F3 R' f
# X7 n7 b ?$ w3 o, E! B$ c) |to update-local-reputation ?; t- n+ f0 o6 ]8 M" G
set [trade-record-one-len] of myself length [trade-record-one] of myself- \' z7 H$ Y. V+ w7 R
$ J8 [1 j' x L% ]0 |( u6 W9 r0 G
2 c& V8 ]3 t0 C
;;if [trade-record-one-len] of myself > 3
% w# x8 g: I2 {' s6 v: c6 rupdate-neighbor-total$ \# y$ x: @; Q% H$ Q; n
;;更新邻居节点的数目,在此进行
, N! f1 b$ D& u$ V& d2 olet i 35 P6 k9 M3 G6 {. v( w
let sum-time 0
* F1 I+ u9 P3 B, R/ B3 A% Twhile[i < [trade-record-one-len] of myself]8 U+ f) K/ B# S. `% \9 v
[
4 y8 r/ G- j7 ^) m- yset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
: Q: p5 i @- S* m( s. aset i
$ l5 u D: d y" P( Z- r& q ]( i + 1)" g, p5 q2 ]1 v2 f
]0 k" s% E& D: r7 V* V2 ?
let j 3
/ O( c M* y& ]& @$ U2 |. y1 \) c! Vlet sum-money 09 J$ [# `6 L& a* Z5 M9 o$ k& k
while[j < [trade-record-one-len] of myself]4 k* m9 N; G% p; W# U) p
[
% m: Y' _. a( a6 n/ a' yset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time); b) G ]" f+ x4 l% P
set j
7 i) B! B/ Y! @" l% M3 ?( j + 1)
% @- C1 y" [) e8 j9 J& u6 m* ?0 Z]$ ]+ y1 |" q5 l y5 H2 {$ _" p
let k 3
2 H3 @6 P- j$ z" _let power 0
: b( r( e: T$ \5 z; ~" k! J* flet local 0
) J$ z; n& q3 g1 u# S' P9 D1 |# ^while [k <[trade-record-one-len] of myself]1 i& l, z& I, m8 g+ M
[
6 g! {0 l/ p$ e5 n# y- H4 s7 ^/ I7 a- ?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)
! e* {5 q1 i* I- Eset k (k + 1)6 ~2 Y* j6 Q! |9 f, K6 G4 B6 P; F; o
]& r# s! M7 A9 y: u
set [local-reputation] of myself (local)3 W. x4 n, ~% W7 C6 K
end
+ T/ }/ _) [2 ?# B. Y9 J( I# W7 ~* p9 Y2 @4 F/ N' d
to update-neighbor-total
; J: v: I' q3 O1 c# X2 ^' }+ D2 T) w8 C! X" K; `) w
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]! T/ C* N9 Y' }6 a, }, o
- Z# g; y7 Q" @: B" X+ i0 V
) n9 X0 q' B- G& `: h! D4 u4 n/ p( tend
3 E- G! B( a# H/ g4 u6 o% A
8 D8 q2 Q& ~& M5 R& A& hto update-credibility-ijl ( X" N2 y, ~0 E; Y" u# ]/ T% u
7 t ^: V% X. s/ f) l' R
;;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。' Q) R! z& [- ~+ q$ ]; Z
let l 0
- w' X e- g. Ywhile[ l < people ]
5 [. n: Y7 ? l7 Q;;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* ^7 Q7 D5 Y: d& X
[% Y5 {: C3 i# X! I% H6 g3 i
let trade-record-one-j-l-len length item l ([trade-record-all] of customer) a" S8 S- W" m. N) f, x: |2 \
if (trade-record-one-j-l-len > 3)
1 n% a) U5 M# X. a4 V& I[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, P4 _* w7 \) Q3 K s: X7 z( D
let i 3
9 V! p) k0 {. x' tlet sum-time 0$ p' I+ t) s* d% [1 `
while[i < trade-record-one-len]: N; i- I7 e: C9 Y+ E
[
: B1 i/ B1 g& K" j( q4 S: aset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
3 A* V& b1 U9 Q: zset i
8 t0 @: H0 J, n- v( K; ]2 |( i + 1)
# ]% g! w2 K' k: y3 j4 U6 B]
4 X" Y. m: G8 Y: Qlet credibility-i-j-l 0& d7 w5 S3 h6 T. a6 Y0 ^0 |
;;i评价(j对jl的评价)
' k( K, ^# R* X' {9 ?& Dlet j 34 ~) ~! @8 m8 E a8 X1 U
let k 4
4 `$ ^! c W5 w7 @1 ewhile[j < trade-record-one-len] A, T! F1 g" o3 i8 t
[5 F# S3 y4 U3 X7 \) J
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: R0 m7 a- m4 S {+ O
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) X5 s# i# hset j
& s# B# M8 N( R' P( j + 1)
* d; G/ J( z. |* B+ v5 D- R8 |8 ^]
( U! ~% ~% V. K0 M4 G/ Lset [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 ))
# m: h# R* `2 m# y7 u; c5 O- b5 d/ q. X# Y/ I: T
. v4 V- h5 Z* ^& v' Q3 elet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
6 j; v- x- M& `6 g;;及时更新i对l的评价质量的评价
: L) w) i! y& r1 ?8 R9 e; bset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
* ]5 H% Y9 C4 e2 [8 h7 W |set l (l + 1)
4 k/ y- [$ G) x]
. U" X1 |+ e& w( T! \end2 m z7 W! |3 d
8 I+ j7 Y4 E0 Z9 l& _
to update-credibility-list3 V, F0 x% K% T' \/ @
let i 0
: l# [% w0 \1 V' nwhile[i < people]8 r0 ]0 L4 T/ M# c" @' G
[
1 D: `! h! ?& t% Flet j 0 j0 n. h5 b' Z9 q! K5 _
let note 0' H7 t# h0 O6 }. s
let k 09 z3 f+ {2 w1 }* W" K
;;计作出过评价的邻居节点的数目! b, N5 Y& L. ~' q. l2 x, s
while[j < people]5 a* N+ S6 r7 n: G1 x0 k0 G! r
[6 {5 U+ u% v& y4 U
if (item j( [credibility] of turtle (i + 1)) != -1)
; Q; V8 u: g7 M4 E1 U8 ?- L;;判断是否给本turtle的评价质量做出过评价的节点
# [ @0 m/ ^+ j% O) T[set note (note + item j ([credibility]of turtle (i + 1))). @: `/ u8 T) r1 H
;;*(exp (-(people - 2)))/(people - 2))]* r9 g3 h. @' \- n
set k (k + 1)8 C' S& l9 `) [$ z+ ~* R) H
]
9 v; { l6 Q% F% b9 ~. Z1 }0 Nset j (j + 1)! e- t8 c) [$ i
]/ N \/ G' ]5 B
set note (note *(exp (- (1 / k)))/ k)9 h3 h$ j3 B* s8 Z
set credibility-list (replace-item i credibility-list note)
+ z( S8 p6 d& x( M# g Tset i (i + 1)
0 u1 S; i$ |7 M9 t* q]5 g3 S* {% w/ U+ w) I
end( @ j6 \' F- S! S
6 m, h* h5 n, v8 I' l
to update-global-reputation-list0 M+ w' W4 F+ q1 k
let j 02 R2 ^ ^: W6 ?2 C1 J, |/ ]
while[j < people] y0 `5 q3 ~/ k
[5 t+ J) Y5 \: i9 O, x$ x; s
let new 0
, ?6 t# w% K: o; e;;暂存新的一个全局声誉
/ I; F4 ]2 U" {let i 0
, G. m) Q' Y, K2 ?7 Jlet sum-money 0
+ V4 v. `7 l. A' w* `! Plet credibility-money 09 E. ~) ^$ b) m# b
while [i < people]' o B, x7 E7 a* ~6 z
[' k- U& u5 y& j+ C' F. J* q$ G. r
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
% u. d9 I1 j; D% U, g( T/ O/ h. ]set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))1 o, @7 F+ b+ e! q
set i (i + 1)- P2 ]/ c2 Z) D
]: W6 I7 _" `6 d9 s& G! ^) D& f) N! `
let k 0
( K# c N6 e8 M& F: clet new1 0/ h+ k% S2 y% C t6 U2 A
while [k < people]1 q' V! }- q% w
[' E; V% P8 u2 B8 C, D/ W
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)* W7 `( b2 g% c7 o
set k (k + 1)
5 _% F8 G- h2 S+ `/ H]
; r: l6 @$ I" a6 `8 i1 aset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
% ]1 E5 H! c0 T7 Y; o1 hset global-reputation-list (replace-item j global-reputation-list new)! _; w* Q( X; d, V
set j (j + 1)
' @- a7 f, s& ^+ W4 s]( K4 N2 L4 R2 x, u7 e, @
end
( |$ J% I2 Y/ W( U
: [/ Y1 S( H4 u/ P* z4 f9 P9 ]4 S1 i& R) D$ j
) ?, K/ t: Y, G4 c7 \4 ~
to get-color, o3 t4 [+ C+ O! [7 V
; [/ d4 V5 ]" A5 x
set color blue+ R/ n9 {& j0 J7 S j
end" p" l$ {3 L5 Q$ \0 v! C8 P
" f8 Y$ @5 [7 |
to poll-class
7 d" `) Q$ J/ {: {; |, Wend+ ~# N6 M: e% s0 n' z
9 A4 T- j1 S' J' t5 b# v8 y
to setup-plot1* I! A! M. w5 {$ K' Y
2 K( |% F/ ~+ p' T
set-current-plot "Trends-of-Local-reputation" F3 ?* }: U% Z1 C5 ^$ I
8 X8 X' ~7 Q# P) j( V& |4 P. i3 jset-plot-x-range 0 xmax
& p/ n% ]$ `! E: s
c1 @2 H- `$ m- Xset-plot-y-range 0.0 ymax
0 }; U. j' U2 t; r. }+ d' @/ Dend/ u: r7 t( `9 f: w/ G, |
% S5 `% t5 y/ L9 D9 H+ M
to setup-plot2/ g/ a g# S Z; G, {& Q) } i
+ N. A9 [/ {7 f0 J- c3 w' _set-current-plot "Trends-of-global-reputation"
1 L# O% P; B g5 h/ Q0 a% r2 H6 d
set-plot-x-range 0 xmax
: T$ H! c, {: ]' h: h# c, M- A& F6 B
set-plot-y-range 0.0 ymax3 n" s7 K- {/ m, h, _
end, V! n, e, d% v1 d) l U
% S4 a& i1 S5 Y E2 v
to setup-plot3" i8 x2 ?0 j/ k9 z& U+ }* b2 f
' z6 e( L, x% P# V3 e- i
set-current-plot "Trends-of-credibility"
7 w6 j4 p! T" ~: h3 h% y: o" _
/ F1 ]. [; w% r T7 w$ Mset-plot-x-range 0 xmax
! |) U* Q% J# V* \6 q
. f, e1 e: l2 }1 q: t0 kset-plot-y-range 0.0 ymax+ v) I7 R z1 _0 m) n, e7 |
end
) ^: Q9 v8 V" v; u4 [: U; z5 F7 g: ~3 B, ?" C( p6 u9 [: b7 |
to do-plots/ Z# B) e8 S, X: L! h
set-current-plot "Trends-of-Local-reputation" ~7 M2 j8 G+ O4 ~0 }
set-current-plot-pen "Honest service"8 D; h% B6 ]! Q& w! d, G
end# h- _- Y, E4 |9 T6 Q# m# q# X
$ d% C; ^2 r+ m: G
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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