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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
$ N+ O7 [: R( fglobals[
K4 j% D0 i! A/ Ixmax
! z' T* i3 A2 X$ Y0 `: Vymax# U( b7 M6 H8 O" w) O# K$ R% W
global-reputation-list
* Y! x2 e {6 J8 ]* K6 r
' w+ D, I5 @! J# g& S;;每一个turtle的全局声誉都存在此LIST中
5 O& X" Z7 y3 g% L( Bcredibility-list( _! @& {' E" x) s
;;每一个turtle的评价可信度
[- F: y" K* L( b. s9 thonest-service$ O% d( v5 x% P# H
unhonest-service
* \ y( x7 A4 ]oscillation
: K. w& h1 G, P6 |rand-dynamic
+ y# B1 |6 t) V2 x]
0 @; k/ s2 Z6 H; _) n M8 l
$ A; V0 }! k6 ?$ p# cturtles-own[, e" V& K( S7 H* @ W( @
trade-record-all
& l8 Q, J) W7 }0 T+ f;;a list of lists,由trade-record-one组成* C; q. E B _: g" s$ h2 E
trade-record-one
2 W& z. P+ J2 I7 Z+ C* V. q;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录6 ]6 d" x) N# O8 m
7 K) @/ B- o; a6 `: d# d6 U
;;[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]]
. [- B' b3 ?% F n* n0 V% |6 |7 utrade-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]
) K0 Z: u+ i" s, e# bcredibility-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, H% C7 v& A, C' j$ S2 g* _
neighbor-total
7 k' u7 ]& f) n. j: r+ V5 h" A;;记录该turtle的邻居节点的数目
7 D$ G, }. w7 v5 x- g* `trade-time
7 b Q2 C6 E3 W" H% ?' ^1 C;;当前发生交易的turtle的交易时间- d1 X) \, J" V0 Y; t
appraise-give
* y$ w; l5 W, n* M;;当前发生交易时给出的评价1 x& b8 V; h- G% T3 { N
appraise-receive
7 V% \% I5 U! D;;当前发生交易时收到的评价
4 l1 e- r; f3 o# \$ S( cappraise-time
6 {% G9 m: J( E- l# w% n;;当前发生交易时的评价时间% A( a0 F4 L. z y# x7 _( _
local-reputation-now;;此次交易后相对于对方turtle的局部声誉2 A* s+ Z2 g2 Q! w* Y/ \. @$ J
trade-times-total
# S. Y* ^2 @9 P& `) c;;与当前turtle的交易总次数
8 g6 F% d X7 ntrade-money-total
$ ]7 a8 R, [. [) m% H;;与当前turtle的交易总金额, G, K! h b5 p' A v
local-reputation4 h* ?4 N+ S* z) P
global-reputation" t; Q; J7 l' x+ W* I# E E: j
credibility( V$ U) X, Z% W0 m9 c( x/ Q8 q
;;评价可信度,每次交易后都需要更新- e2 G/ q. J. ~5 ]; b
credibility-all
7 X+ u: p! m' |) O. P8 t1 h;;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
* K2 b9 P/ s8 E+ B
# O/ Q1 E. N0 ~( N `8 _- x: K;;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
5 _: j6 ` c6 Tcredibility-one
; r$ C* U0 k& A/ F( u# U( 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7 r. p$ b: v7 D
global-proportion; V# f u) _& ~6 o* M
customer# e* P6 E, M; v: T0 }5 ^
customer-no; z7 p4 x4 s. \- C# D& B5 C
trust-ok6 }2 ~7 z+ j' T: i0 ]( {; r
trade-record-one-len;;trade-record-one的长度( E' x$ ^2 G8 ]8 i# u- o" z4 q9 q
]
* g" R5 c# i. K0 L; f0 k2 Y4 I
# x5 i: {& y/ j) x# M* f8 O ?: b;;setup procedure
' l$ `8 B; d( T
. f$ k1 F0 t) y8 z& Ito setup& U! M. P! E2 D# u
% x, K: R& V. Z4 e
ca- z; ?) X, U; C$ V( G
2 M7 c9 T* V6 ^4 zinitialize-settings- j& H; X2 O: j2 l/ n( j; T6 m
! v4 _- r! S5 E* ]
crt people [setup-turtles]: A2 ]) l. @2 ^1 |; I! v, G/ P& N
1 Q2 }- y2 i( {( ^( Q$ _reset-timer
0 E& x# k- l3 x5 y: b- c* k3 I8 N. w& D
6 P3 U* P$ Q, T4 t( {% ?0 u& Q9 Xpoll-class
. K% s9 N4 |% A" K$ l& S* m
" m6 D |% a# ]% S, t4 ]setup-plots
( u. J T2 ]+ u. T, J- Q5 r" _: s0 h+ ]% t: b( B. L$ q! L. G
do-plots
+ j4 u1 x; e" {7 r3 r! ^5 O. G5 `( mend
3 U0 ?/ B& D9 M3 ]0 u
+ {7 y4 J4 T) ~7 m1 Q$ m# k5 xto initialize-settings: ?" `& b7 ]9 D2 j* i& y
. x' Z% j6 h1 H2 sset global-reputation-list []
3 ~8 t3 r" m! c0 z; W) \8 j: {( g0 ?1 {* P# y; K- f+ X( y
set credibility-list n-values people [0.5]( d) P" l! A4 H3 |/ V( m5 G
- {8 h( A3 t2 U& W3 D* Y
set honest-service 0# O X. G- W0 I* S
' g' C j/ j) W/ x0 B, s6 k% xset unhonest-service 0" U- C- E; G+ E0 ^; D7 S
0 g! F& e9 W1 c9 \/ @6 X% e7 f
set oscillation 0
( E6 c* L9 t! C% N- Q
$ [+ V2 a: h Sset rand-dynamic 0
3 F8 Z, r2 ]& y4 qend
, z3 z1 E7 z. Q7 x
7 S* u7 A; \$ e' Fto setup-turtles
' ^9 ]/ w/ d8 aset shape "person"! M8 o& ?1 H) D
setxy random-xcor random-ycor5 O, P7 b9 s4 `* H3 p$ j! y/ m' D
set trade-record-one []: p1 b* J" @$ A9 }7 ?* N
8 s2 D" Q: |& M! }. w5 eset trade-record-all n-values people [(list (? + 1) 0 0)]
" h2 P1 `' q: O; a
" W/ M4 t0 C) t! O4 L; F; Iset trade-record-current [] d0 {/ V U# x! i# ]/ Y
set credibility-receive [], J6 p; o& g/ g3 l
set local-reputation 0.5" R0 L) z# U5 F/ W
set neighbor-total 0# n" J! u& X2 B. N
set trade-times-total 0/ P0 N6 z# I/ F7 |
set trade-money-total 0
1 Y+ e" p* p n. ?5 ?) z& E0 _0 aset customer nobody" R- W& S r- u4 ?8 Y
set credibility-all n-values people [creat-credibility]
; H" Q0 `! |- t- y8 [ w% Qset credibility n-values people [-1]( Y* K. i# q5 e
get-color
" j: i* B4 k( b; C9 W2 a
8 D; D8 G, G; B' aend. q0 A B2 G3 h8 p* T$ t: \
$ T3 L6 Q/ z$ L' V; f [to-report creat-credibility
6 g3 h5 d* \# u" X1 H8 o. N9 |. y" Ereport n-values people [0.5]
6 D, d |+ {" b$ j; V& `; R B2 _end5 h; B6 W0 k% {0 l3 E
2 Q* x4 z' Y I* m6 p& ?% a1 j
to setup-plots
/ F4 S) d% P6 f' x3 ~5 a2 z
1 `$ D% a! S0 G9 z% Q5 m; zset xmax 30
3 X! N0 I" _, v9 h7 j1 S1 w2 e+ ]8 _2 E% k! x
set ymax 1.0
2 d1 l1 }2 n" ~0 B# s* U4 G# C# _- J4 Q, j0 T& D
clear-all-plots7 F- X, Q1 {: M1 C6 H3 B
% y U1 N* ]3 a5 Q) N# D3 p& C
setup-plot1% }( t5 Q. Z" Z0 p# \- @. }
% ]" o% o' R0 E0 { I. z& |" S4 lsetup-plot2
" q5 c5 u- b3 I$ z# c
1 M& ?; [( h1 J& _2 rsetup-plot35 z/ Z* ~% C9 ?* Z4 I! P
end
( F: a" G1 {+ A" K ^
/ Z$ p# n( [, ^;;run time procedures
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! Q7 O9 A) H' ~& {# V- J, Zto go$ b3 {# U: x Q N" f7 p( A! |
0 z% r: |) l, V1 g
ask turtles [do-business]
" o, x7 z9 y/ g. g9 hend& c0 J3 S O, s8 E& [' H6 J2 N
' r' x) x* L5 I1 Lto do-business
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2 Q/ Q) B, H$ i; Y' `+ k" W9 v) e' J9 c- L
rt random 360
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0 Z! Q8 v: V& B I3 K( P% x' r3 nfd 15 |1 a5 Y8 j2 E. g
: _, g4 ~7 Z, }. n$ vifelse(other turtles-here != nobody)[) n( n+ g9 R# j2 U
" r$ N/ w v: x. z4 p8 v }set customer one-of other turtles-here r; \. b1 R3 }/ {
5 e. j5 F( r+ A8 ^;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
9 l* K6 X/ U; i[trade-record-all]of self. V. v+ \/ \1 P, d, B/ t0 M6 ]
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
# e$ [- F5 S; M3 t( ?1 y2 L4 {8 ~
set [trade-record-one] of customer item (([who] of self) - 1)5 T3 h- X( R, D9 y/ n$ C" s: b
[trade-record-all]of customer. N" }/ }1 n2 a" R9 F# w: n( m4 K
5 V$ B9 f4 {6 H$ ?7 Nset [trade-record-one-len] of self length [trade-record-one] of self. C4 c; T5 F: Q% E4 N8 j) q) W
3 z, d4 B2 |, U: x! C4 J
set trade-record-current( list (timer) (random money-upper-limit))
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! W3 e- A2 p0 ^6 ~$ Eask self [do-trust]2 `* H) w# e0 c
;;先求i对j的信任度
2 {! A) G% A, y6 A& y3 w
5 p2 u: \$ p/ k P5 L( U) s" o0 fif ([trust-ok] of self). H$ }& y( v9 g9 U' p7 r
;;根据i对j的信任度来决定是否与j进行交易[
! a: w1 h% b4 aask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself, p1 ]; E9 L* \) h N
) E& s: `& R3 ^; p[, S/ Q" B" v1 ?+ }. i
. C+ R8 R3 \- a r" xdo-trade2 W$ b' B1 ]3 Q! h& A/ j
7 e& e# @0 z; {& l7 ?7 ]0 N
update-credibility-ijl
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update-credibility-list
' h6 \; A2 F: n. o- g- N! h/ C* u8 `/ D6 p
# v: V- ^& z# J7 c; u3 U$ P3 n4 gupdate-global-reputation-list9 K& k# H% Y @" i
8 o9 W6 n% b1 e% S7 P) tpoll-class
( _) \! a" n5 h }4 x4 R
& L+ \. m# i% bget-color
8 \6 r' a4 [. l0 j5 b8 J7 c9 n, P) u
]]) _. a' \. J& X
, N- d% H0 D$ Z" z" n4 ^;;如果所得的信任度满足条件,则进行交易. U( T+ Y# ^- [) B
2 [3 ]: {8 F+ H; }
[/ w" l1 l3 x: y% [
% C- @$ K2 {+ Q; j$ p
rt random 360& u# |2 U5 a3 j8 u; n; ]1 s
* V: d' E4 L- ?9 c& q6 S
fd 1 U, h1 q" G$ h7 {8 \
0 z! s6 }( Z$ e& e/ x+ J- m5 o]
. a! E; z" a+ T7 a# f
s0 ~ p. D+ |8 y/ Zend
1 I) B% ] F( v! M% V
0 {! M1 u- I! {to do-trust # ~, a' W, O* p! {4 T4 i
set trust-ok False2 ?5 J3 |0 J+ f' T2 J' m
, A F: s8 r$ E8 h, S+ w( Q" \8 h8 W0 l
let max-trade-times 0
3 Q; L) ~; p6 u2 H4 c. C" oforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
- Q+ F5 @0 z; v2 [" Olet max-trade-money 0
( w& r9 E6 i r- V6 \foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]0 i6 l8 Y! ~7 B, {
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
. n' ? u/ b% w0 C% {0 U" Y5 _7 A4 X+ N
! ` i7 j" j9 n$ _, U' A7 }get-global-proportion! I. S% X. O# j3 P/ A. h( j
let trust-value e- d/ P3 ^- N- R% P, O
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). j! D( W4 x/ x" a( @. a2 X
if(trust-value > trade-trust-value)6 {4 o. i4 v& ^( Z0 P% f+ G0 \ ^
[set trust-ok true]9 s, X# d- W [
end
. O8 ~2 I* Q6 B1 d' ]5 B4 d* q; q. [$ Y$ ]1 Q& N
to get-global-proportion
6 j% T9 ?0 R$ v+ D4 B- X0 L kifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)2 y1 d. y# X3 n
[set global-proportion 0]
* j" D1 y' G; _0 M2 y4 S[let i 0" \+ {/ s/ ~# v. p4 E H; H& N) l
let sum-money 0
5 c+ T& O+ n* G! h P; k! p( G, s# cwhile[ i < people]& K9 w/ d/ P9 J9 z- l! _
[, {8 n5 M8 t+ g. A4 k* `: ^
if( length (item i
- G/ O, v" X7 ~ j[trade-record-all] of customer) > 3 )0 ^: R K7 L9 H& o8 e
[
4 `' ^0 K b" S% ?set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
& k c/ Z1 y( V) y]
2 z) ]0 x C7 o! U1 x$ M$ m]- E/ |# B% k6 T7 G3 f
let j 0
0 [! ~0 A# s# X, E+ O5 m' @let note 0
- e5 ^+ S8 w/ V( B' { i+ [while[ j < people]4 Y* U/ N. r f4 M0 c$ ?; ~ E+ X* J
[# X6 R% p0 l+ I% {( L6 {7 R7 ]2 ]
if( length (item i2 F. a5 Q5 O/ V$ o# ~* ]
[trade-record-all] of customer) > 3 )8 Y, m$ [6 r, |+ D) u; S
[
|8 @ v( e+ t1 Zifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)+ i0 L% p2 p$ J, }, X: f0 F
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]$ g( `/ U, Y0 }! l x7 V
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]; L* U9 M7 g1 |$ s! S1 K
]
8 q7 G, u, _4 ]% s) t0 ?& P" ?]: g% u4 d! O6 T( A
set global-proportion note
n: O3 ^: g" C7 e; K. u]& v+ D: Y/ W0 e5 F
end
( @* q& o! M" n9 M3 Y: [
" }9 U; W: J( d5 Qto do-trade" `1 E3 ^- o) R% R) @. B
;;这个过程实际上是给双方作出评价的过程) Z! m Y3 w8 k% H; y
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
) Q2 Q# X8 L) w5 S* Q: Uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
G' ~/ t' s5 v6 cset trade-record-current lput(timer) trade-record-current4 {5 A& \. n, ^( i: y0 C G Q. ^
;;评价时间
$ Y6 c! @! ^9 U+ H6 E! A9 _ask myself [$ W3 C3 i6 x$ o6 e; D
update-local-reputation
1 ^& C) u- l/ A7 p7 ^3 cset trade-record-current lput([local-reputation] of myself) trade-record-current+ z3 Z9 }3 J5 _, s
]- X7 r6 V. h; _" e
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
4 b/ \0 v1 r* |# ~;;将此次交易的记录加入到trade-record-one中
- \% \ D9 X3 O- aset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
# D0 S: {, x# g9 d. M# M2 Nlet note (item 2 trade-record-current )/ C9 I. E2 `& }9 U2 R1 P
set trade-record-current( A ^; X/ k$ {% ^. I/ @+ f% e
(replace-item 2 trade-record-current (item 3 trade-record-current))- S+ j8 e, w2 d- c/ Q
set trade-record-current
' h0 k) H; g% T2 r(replace-item 3 trade-record-current note); S" t9 F5 I Y
' G: s* I/ k" O3 s* |2 O8 a
0 w5 t& y+ ~# \* r" g2 O
ask customer [
4 k2 ]$ }6 s2 g0 F: p4 t0 c8 j; Rupdate-local-reputation, |4 L! h4 v# K3 g, I/ ^) r# Q6 _& C
set trade-record-current5 Z6 u5 A7 ?+ u
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
0 j( c1 b7 y. \' u; ~3 u& U]0 u# k% y; s8 z/ j2 V
" ^, D2 @. `6 _8 F6 k9 D* M) Z
- p, @* @- _$ l% l6 j; [; Pset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer( P9 b) I2 {* j# Z( ^
* C3 ]; c. L" P6 gset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
7 S7 k( ] B# n) u, x: L) _* e( P- {;;将此次交易的记录加入到customer的trade-record-all中2 u9 @# A. w$ P* g( K4 Z7 I
end
( r! ^% t j, _/ o% p8 t/ K4 W0 G0 y4 s2 R& X
to update-local-reputation$ t6 V( k$ Z$ J# @6 L* k* B: h
set [trade-record-one-len] of myself length [trade-record-one] of myself2 f4 K/ n' N, ]- h$ G
. t9 |# h _9 i o# L; |/ J+ d; Y$ t# t6 h4 e% _/ i- d+ _
;;if [trade-record-one-len] of myself > 3
% A+ f7 C: ]" P: F5 Rupdate-neighbor-total
; N% H# P6 p! _;;更新邻居节点的数目,在此进行2 ?! }9 O- a4 |6 D! F
let i 3
% u$ S1 o. C, P, rlet sum-time 0
5 D2 e* X7 M2 ]; c+ [while[i < [trade-record-one-len] of myself]" L& t+ w" |# S. E3 o* u6 J
[
% I3 p8 n7 |+ v$ w5 j0 M) ]% Eset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
- y& |* i$ Z4 @ M" _; uset i
0 P7 {. U' R! g4 j7 A( w2 y1 g( i + 1), P6 D. C, G" S( p' a& S6 O
]5 f8 Y7 w& [+ p
let j 30 w2 I J1 l- x
let sum-money 0
3 _7 N( ]/ U5 uwhile[j < [trade-record-one-len] of myself]9 e5 @0 K& e; r" o, a
[& j4 @' \$ Q. H2 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)9 A7 D- m( D, f8 R! h9 |
set j' C( ~! d% Q2 c- s6 e' z3 t
( j + 1)
4 n- a3 ^# N/ @% Q g* [1 B]
, H# v( `6 R3 Jlet k 3
7 i& f# x( U5 V- _let power 02 ~3 h9 D! w3 ~/ Q
let local 0
+ @* @! C% E8 M- a& Iwhile [k <[trade-record-one-len] of myself], D( L4 _9 [4 g1 c; Q
[* ?7 o5 c9 d9 O. V; c
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)
! j# a# F7 s* z7 @set k (k + 1)0 R2 z! Z2 D& K: H, \0 \$ J1 R6 H
]0 E/ g& u& U& {# |/ Q3 o( k
set [local-reputation] of myself (local)1 t0 k4 ] r; K& G* u1 D+ H
end* |& R! y) P1 c4 W4 {# O4 E N
8 n% \4 X' ]7 Y+ E0 L* u7 @, C
to update-neighbor-total$ E6 V2 @/ k9 x- ]
( Y X. j( A: \6 [7 N
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]7 b% c3 |: g+ F! E$ u( R* K
8 m1 K1 Z2 F1 m6 _
9 E: C( \. h4 t ]+ P6 k+ }$ M
end( H% F8 l5 `5 g1 u
, ]6 `+ r/ t4 S' Gto update-credibility-ijl / c9 `# { P1 E5 k) g
; |+ v Y: P2 N; P# |+ G" V
;;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。" X* }0 P9 P7 q& N
let l 0
0 ^+ Q" A$ r2 G% Z0 R* A/ Zwhile[ l < people ]9 f" _/ z* k1 ]% j1 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
! w2 H) u% a% I# T: \[
1 p! D# k2 G) z, f+ Z; x" v/ W% Glet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
2 W7 ?) e m( h( y( x; ^if (trade-record-one-j-l-len > 3)% \1 V' _+ |2 `! a9 a6 d$ E: m; A
[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, O" I% v7 p7 o8 `6 K
let i 3
9 n8 p0 @6 M0 l! P1 a% blet sum-time 0
4 t8 W; L3 s4 l! _while[i < trade-record-one-len]
* Y5 \; Q- p" s6 c[
! [ e* H) l. h' K* L1 l5 u4 Kset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )# q. g2 z5 K7 Y, J% p( A
set i
- ~0 N! S2 M& i* A% O( K- u( i + 1)
6 h0 `% Y/ A; H, ~]
8 \0 Z" [3 c- q- _: Alet credibility-i-j-l 0
A! ~, w9 A3 Z1 g;;i评价(j对jl的评价)
* x4 A9 y3 h# d. \let j 3' p6 \ o; \' Y4 A t
let k 4 e8 I) E6 }( Z; N! \) J2 g
while[j < trade-record-one-len]- g b8 \. r4 M5 y. z; i9 B6 w. ~
[
5 ?$ b( {+ n1 o' o9 A9 nwhile [((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4 c0 { e) g/ f g& ?& I& M
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)
6 R# ] j5 h+ Dset j
' p" ]5 h. a2 J+ e- @2 }8 l+ n( j + 1)
1 D/ M1 h$ f$ N4 y- i/ Z* ?]+ u5 |( @& ^/ @* x6 v0 [4 d
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 ))5 q8 d% A; O1 Y5 r& ]7 B
% ^' w, r* c4 a
9 |5 |' n; T. Z4 ^$ g3 B2 clet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)); T# J8 T. B# P! m1 a
;;及时更新i对l的评价质量的评价
; A R! \' { I$ dset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]0 I+ r7 ^% u" \' L0 c @
set l (l + 1): G6 m, |2 {$ p1 ~5 B. M
]
# w$ ~- M9 j* k6 N0 xend
0 A. {! n8 z# F! @
" {! g2 J" W+ h: a! S7 r& m5 Sto update-credibility-list
: a& b; Q; ?6 F8 `1 v2 I- ulet i 0
: w2 y+ [9 I+ e0 D# z+ Lwhile[i < people]
6 b, V" i4 }8 n6 l/ Q7 L[
2 y& Q5 K& X8 c9 l% ?let j 0
! c+ F# _ I7 v M9 N5 U8 wlet note 0
# X4 N- [6 y( l) \let k 0
) F: S) T# {8 w. b;;计作出过评价的邻居节点的数目; }- e: H/ g3 H6 k( K# |
while[j < people]# t2 [/ p4 v- o
[" d# w. g/ Q' ?1 Y7 m* e% M' z
if (item j( [credibility] of turtle (i + 1)) != -1): X! D0 f% p* r
;;判断是否给本turtle的评价质量做出过评价的节点
A0 G2 ]9 A, P[set note (note + item j ([credibility]of turtle (i + 1)))6 ?! {5 m: `# X# Q/ a
;;*(exp (-(people - 2)))/(people - 2))]
4 h7 m* f; l4 S5 C9 pset k (k + 1)% w+ Y" U; J) n; @: F, F0 r* D% |9 k: M
]
& }! @" y6 n; T% uset j (j + 1)* y, v! c; X" V0 [' [
]
# l1 M4 w8 W- X5 gset note (note *(exp (- (1 / k)))/ k)
0 `: a9 }9 t! V. Dset credibility-list (replace-item i credibility-list note)' y/ s) T& w# h7 J
set i (i + 1)
+ l. D9 o" P" p- E/ x4 W]3 O1 h \- G- L# K7 ]; E8 F
end
# I2 i$ M$ L, J9 z8 P- b+ L! s. r5 ^0 j% m7 ]
to update-global-reputation-list H! S5 j0 O; a2 C& n/ U
let j 05 G/ W* _1 m* N4 d9 l, C
while[j < people]7 M5 B9 j7 O- d- |5 p( E& r
[
3 Y0 M$ i6 F, N* }$ }$ g3 ?4 qlet new 0
+ a* X! ~9 }- r, |5 B% E5 l$ e: e;;暂存新的一个全局声誉
; }2 p6 j* p( j) G$ tlet i 0. s4 O1 J) e. P6 Q% `
let sum-money 0, T. s. B, C+ X1 I
let credibility-money 07 u" a8 z7 K) A( \ F4 z7 U
while [i < people]
1 Y$ Y- F4 | K[
6 J, G$ \. @6 j9 \set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))) L- K$ c" S$ P8 K0 X8 y; _- Y. f
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
7 A4 S# l2 x, d% Y! Iset i (i + 1)! ]4 U6 v8 w' `* d
] |2 N( R0 V8 j1 h6 i
let k 0
4 L7 N( d" s9 ?8 c# n! ulet new1 0% A" @6 B0 s. {* i, J0 |' g6 y6 t
while [k < people]+ H+ y: N1 K( O0 w) N2 k
[
6 l# I$ b, g' _; vset 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)
/ @3 P6 b0 g1 B/ X6 B( t$ R- \set k (k + 1)" a3 t. h" ~9 {, S/ T) n! h* I
]
4 \8 `" A, y1 ^- S* K0 Yset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 4 _; O2 d5 H0 S, b! k
set global-reputation-list (replace-item j global-reputation-list new)
) D- i4 J% N% S/ }% n8 U4 `* F0 pset j (j + 1)4 ^7 o. A% W; O/ ?* x
]
0 X T5 I# Z5 i3 W- K" Q4 M& lend
! P) U5 J( E+ L% \4 q7 t
% L# r* M4 Q \2 I% Z z4 p" o7 H% J9 C6 _# R7 h$ E
# ?" U3 {0 @1 X+ cto get-color
; _& n0 t" y' M3 U9 k9 n& L9 e& W* u! W$ I2 [, |4 @
set color blue
; C( y$ x$ S# A& ? i3 Yend
j8 t* b g! K
' R$ o& |/ i, g& {9 sto poll-class
9 T, c+ k. y9 {5 z" rend- c( Y2 M$ W0 X- c- }2 c
8 x2 T8 C) a F& Ito setup-plot1' Q& `+ Q* y. \% S' K; q r
- h7 \: A( }$ k4 o
set-current-plot "Trends-of-Local-reputation"
4 |2 W: L5 e6 k% n& w8 N$ E0 Q4 X& h( q1 q2 Y% C3 f' u, H
set-plot-x-range 0 xmax
/ C" q' b* W8 v: S$ g7 C! f9 f
, U `% d$ J! \# S5 Eset-plot-y-range 0.0 ymax
' [9 h1 q) P/ U% I8 M2 jend2 A8 y' H- I5 ` m# q" A: {
" s: R( N4 b# r: P% Rto setup-plot2
0 v+ l+ ?# ~9 W3 m: G Q
9 A3 p1 C: k6 z; B9 T2 G8 [: mset-current-plot "Trends-of-global-reputation"% O) Y) y- h; S9 c5 f
, N+ z; s/ o: @/ I O
set-plot-x-range 0 xmax
; W, p1 _: D& `3 V* s2 u$ W
5 t9 ?6 k; ~1 i3 r1 c5 m5 w1 tset-plot-y-range 0.0 ymax
2 K! h/ D; ^4 n7 E: Qend# V( b; i5 R# Y! E4 V5 g8 r5 [* _2 c
3 ?0 y( L& e" B( ?) jto setup-plot3
! i* a4 _& x( j) g# q, x6 l1 {- u4 a, u/ D) p. k b
set-current-plot "Trends-of-credibility"! H; V6 L T" U' A: Q
; E+ s' ?( i0 K7 W1 D
set-plot-x-range 0 xmax# R: q' }# e( Y1 l- h
4 i! c9 R6 x/ l2 E: o& p D
set-plot-y-range 0.0 ymax( }; a! R2 M7 v1 H }6 p
end; K7 ~2 |/ M: p5 B) _5 f( G" Z
, y! u) i. x6 s* M9 Qto do-plots: Y: V' }, ~/ V7 N
set-current-plot "Trends-of-Local-reputation"
4 E L- y6 G( Z7 v/ v% pset-current-plot-pen "Honest service"
1 t% ^# r/ Z* U6 ]9 @: send
6 x* A5 Y6 Z- P: J, O& c4 b9 m8 U8 K4 H/ x X
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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