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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
* y% Q+ F7 j, u u8 k2 gglobals[
3 u% o1 M4 J$ Vxmax
) R6 ^& m( r1 F7 Gymax
3 m' Q' m E& y: S( |( [global-reputation-list$ j \6 t3 \: u: J! ?3 x
- K9 a" w' j. K* f( J
;;每一个turtle的全局声誉都存在此LIST中
( i' |$ j5 p7 {8 }3 ^9 I( gcredibility-list, ^% T7 b, o3 g6 P
;;每一个turtle的评价可信度
% P6 }2 G! \& q( f/ t& Fhonest-service
4 B0 m+ U5 s0 K& junhonest-service; I. n1 l/ }( S! _$ {) v' }
oscillation
3 ?! d0 [6 S, S3 ?rand-dynamic
) O* |7 Z. [* V! o]
/ D, v" v9 n4 S% V g- ? Z" p# a- v$ h$ Z5 k
turtles-own[( h# m/ I1 H5 n. u
trade-record-all
; E. ^' b1 f3 T2 K3 a+ a;;a list of lists,由trade-record-one组成6 w$ |& E% X( B0 Y' C
trade-record-one
; A7 w5 R* P/ J. D9 x9 i; m' {;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录" {9 B* @" O5 [" y: h8 g4 l
- ]! A4 T# I3 Z# B3 p
;;[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]]* ^" J2 W1 t; s' @' 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]; \! q( X' a# F8 P
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! g4 V8 c) q$ V m5 Z
neighbor-total- g# H4 L. @% n9 S
;;记录该turtle的邻居节点的数目, ~' J* @0 U1 N3 q0 _6 x! a7 [
trade-time
2 f- `) e; q% P5 S/ ];;当前发生交易的turtle的交易时间
* v$ \5 c7 _7 v- k6 _, m4 @appraise-give4 f- ~4 C/ ^9 z! q# u
;;当前发生交易时给出的评价% B/ {0 U$ z' P' w _6 Y$ `' {
appraise-receive
$ {( e5 T* P( J# P( I;;当前发生交易时收到的评价
2 G9 o0 E) I% C5 V. N+ y5 ?. @0 Y9 Y! zappraise-time
& C9 g( [8 }9 A. s3 F: Z9 a% t;;当前发生交易时的评价时间8 h( v/ ~* \ d) m3 N& j: G3 {
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
4 D: w. \, O( p5 A& }trade-times-total4 J% h$ h. t0 G# G V4 d( w- o% a1 O6 C
;;与当前turtle的交易总次数
& ^6 L4 p, v, r5 V. k" Z: strade-money-total* G4 J& e- D3 y+ S7 E, S2 \6 d
;;与当前turtle的交易总金额) s M; A+ s- O8 u) L+ X
local-reputation
7 B" t% x8 b) J3 X! q/ \global-reputation" n$ U7 y( P- H! f% V
credibility
+ Q& {2 I/ r! A2 x9 F6 `) J;;评价可信度,每次交易后都需要更新
4 e( a$ d5 Z- Z8 P3 B8 y8 Hcredibility-all
8 A$ N, D3 X8 A) p. T) A8 E3 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0 `: Q8 W5 R3 p/ i, M+ m4 I$ P
4 U! P2 o& [6 h0 }5 U$ a
;;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0.59 A) r* U! ], P) @% Y$ ^% C
credibility-one
' A2 V, b4 z$ I# @;;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
+ C1 @0 H8 f& P, P8 oglobal-proportion
6 x" O* b0 N9 Zcustomer
. T2 q# x/ ?5 C% `' [customer-no
" e2 m% {8 {2 o. Qtrust-ok8 ~- [+ `! y3 Z$ s$ W
trade-record-one-len;;trade-record-one的长度 v" A: g% Y( S/ ~ g6 o: c
]
4 l2 {8 P# q. t9 j7 ~
) z9 e6 s( |$ ~& t' w+ p5 Q;;setup procedure% e% u* ~+ M3 r
8 Z1 g4 o# [4 g# Bto setup
2 B9 m" T& z2 ?
6 [9 z1 k6 G/ R0 k, Q1 ~; N; pca0 W4 \5 i' N$ `. z) t/ d% K0 K
/ ^7 O4 N- s4 a2 w& r, Jinitialize-settings0 n; P1 j0 S6 s- d ^
6 P* p& B. [% X, f) t
crt people [setup-turtles]- ~: T. a" g6 r- Z8 Y* S
* ?! e4 e4 w2 {reset-timer
( ?4 J8 X8 p8 W6 h: Q8 Z! @3 m
5 ]: h- M, ?9 H3 E: U) f. I! ~) Ppoll-class9 b( {: ?& O% k$ r, V
: h9 ]0 x) k. P e# C* Zsetup-plots
: K& d" e d3 W) b0 U- U' z) G* w" Y
do-plots
: k m+ h5 X# V) K& N& i* _8 s( wend
) [+ \; N" e' `! y% Q7 O: k4 a; ?+ ~" D
to initialize-settings/ x' X. U. X5 p" t8 f1 ?. i( q. m+ c2 t
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set global-reputation-list []( h9 t& N3 w4 [+ H5 x" [1 q$ |
# c1 n- H0 C4 A$ `5 [set credibility-list n-values people [0.5]; M" f/ P- B7 p9 C0 t
( t6 R5 s# Y5 ]4 |* d/ Bset honest-service 07 r: u+ S1 e+ M+ }; H, ^. T( _
0 W! m3 b) e B# c
set unhonest-service 04 k9 V8 \2 X! p
0 k' y5 [2 m8 Tset oscillation 0) J, j6 D" Q' B. v
% z0 _" X0 B; r2 e0 J: }
set rand-dynamic 0" |" u$ a: _0 _, @3 ?1 o5 U7 i9 m
end# N X6 G% `% F# Q P& A! q5 p
& O7 z5 c$ Q; P# }* c; R. u( r
to setup-turtles $ K& f6 y8 p( Q7 K! v5 d
set shape "person" ]- W( N0 g. s9 }* Q' Y
setxy random-xcor random-ycor
/ c& S$ k( [2 d7 wset trade-record-one []- Y$ N' G" E9 \- ^, O1 Y
) w6 g9 ` X { h4 U, n7 I
set trade-record-all n-values people [(list (? + 1) 0 0)] 5 g: R$ B) a1 ]8 Y( R1 ?& b
' |* p# e* z1 K1 g
set trade-record-current []6 o! d y; L/ p: \* ]; i d
set credibility-receive []7 t8 U' @' W+ T# w0 r/ o! t3 k
set local-reputation 0.56 R2 s- \& W. E( @5 G
set neighbor-total 01 U+ C6 d& B# [
set trade-times-total 0
; [8 [7 N# m9 Yset trade-money-total 0- O( I6 l9 o# y. }5 Y2 t6 ?& L
set customer nobody
4 e' z4 A4 [- _- @set credibility-all n-values people [creat-credibility]
" ~0 F- a3 T! ]" W' wset credibility n-values people [-1]
. ?% t# R7 }0 h" Sget-color0 F8 e/ ?- ?8 p) `
1 @2 {/ v% U% f' g: C; A8 y1 i! xend# \& A) j# y" _/ ^( G7 A, w0 q
% f$ i: K) N3 J* s" f) vto-report creat-credibility
: B s+ Q! q: v3 Yreport n-values people [0.5]3 y: s2 P8 f) G) V+ R' j
end
4 `6 w) V( N P# {) W* K
! A9 K) f3 H7 I0 \# Dto setup-plots
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5 l" I2 A( ~, S9 P/ Q! P% nset xmax 30
2 ~4 N; b" n$ a/ ]% X( A9 F5 j1 o6 r" Q$ C
set ymax 1.02 U! p# h2 r3 [% q
}. g2 z8 d$ Y8 m* y/ F" Jclear-all-plots
- n+ j3 P# K6 n5 n) X
4 [' r1 q! H3 w8 Lsetup-plot1
& r6 T4 t0 c, Y# J5 F+ l! {" J
/ L/ [- n5 b. k- l2 F% Q5 Asetup-plot2' p7 s/ u7 i5 }
2 x2 N# C( ~. ?- Z
setup-plot3
7 w9 C( e, ~* P6 K9 J$ q! {. Mend; p( v& n( g' a' L
+ H$ x3 q; h% J7 p;;run time procedures) y& v3 E9 c* y
+ o3 s) b8 O4 U) v) M, @
to go
0 ~2 u/ E2 a3 b1 s- \* }0 W
/ ]. L; e# l+ C; uask turtles [do-business] {3 [0 u" f' r Y/ h
end' M# b; F4 n* ~1 j
4 d) {9 A5 \6 ]& |7 T( E, `+ Oto do-business ) R% N& C" T9 }
: \& F7 n" g4 I7 F# Z+ [1 q
# e1 N! k/ \# a/ Y! K9 ]rt random 360
+ C: l1 s% H; B2 V. d; s0 y. P2 U- j7 r; V0 C9 [; Q9 X
fd 1
" k# L8 Z! a; C/ n; G' [! M
# K, G9 ~. s' [. K9 @, p! Nifelse(other turtles-here != nobody)[
9 {9 F% Y' Y2 F$ v N/ I6 a/ M3 }: G3 h- x' C8 L# W7 I
set customer one-of other turtles-here! Z6 j2 Q1 o, L- p: ~* M
& d: y7 f& L2 q1 C
;; set [customer] of customer myself1 c7 Q6 D" M) }$ R% R
, g5 a" \7 L2 r- x) q9 mset [trade-record-one] of self item (([who] of customer) - 1)7 L! r$ k. ^2 s' G6 v
[trade-record-all]of self
8 `8 S$ D: q v;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
% K- Y, Z# w) F0 z x; x) [' b- W/ T, z" I2 `
set [trade-record-one] of customer item (([who] of self) - 1): p' f7 r: t' ~/ y3 [+ {4 T
[trade-record-all]of customer
. n) l' H& J; I2 M4 e# X. p! K4 c! W, b# Q9 u. l
set [trade-record-one-len] of self length [trade-record-one] of self! s* K8 R; p2 N' ~ B$ D
[' L) F5 ^' s9 W# w: aset trade-record-current( list (timer) (random money-upper-limit))
! E/ w* Q: F/ C: V$ p
9 a5 j. O0 k& w; d1 cask self [do-trust]# j/ @5 {7 t5 `4 Q5 s
;;先求i对j的信任度
: m- w/ i! i" S% n0 ~0 F9 I. @0 u+ @: J" h! v) P. \
if ([trust-ok] of self)- j" ^! x' ?3 O* m
;;根据i对j的信任度来决定是否与j进行交易[% k1 m+ l6 v4 \ k
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself; B. e; d4 X' r U" [* a/ i, f
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[1 F6 k" b. G3 V! d/ G, R I. \! N
9 h& W2 n/ ~, V$ `" j
do-trade
& n2 t' B2 z& ?2 h
" c U. Q* T3 e) v+ Yupdate-credibility-ijl; Z8 c% E$ U/ [* q% M3 O8 o
" k; t% a; e. u- d2 I0 t7 L
update-credibility-list
) ^" |2 f. v* j1 H! B& H
' n$ a# b' a$ K( r" k! E6 i9 n2 L8 c- `1 x: S {
update-global-reputation-list8 _; V% {4 X4 Z4 u0 c( @$ O
/ b- Z4 D% q' }& l- a
poll-class
3 Z6 t/ c ~* y3 N7 h+ X/ M. p* N- i8 m, C# z
get-color
, B5 k" ^! @- {6 i) S b/ |3 n
6 R- v0 y' P1 P0 l, X6 U: Q]]7 s5 c+ V! ~9 W- I* n) q I
9 N4 N! `0 H1 }0 C
;;如果所得的信任度满足条件,则进行交易6 o% v) V, V" h+ P
" K9 c3 U0 g; O5 y. P[
/ a5 K9 ~8 y+ M, B( c! \' T8 l5 X7 L ?* V
rt random 360
0 ]* o, K" y$ F% g4 G8 `0 `/ C
T7 O! u; i: m* D: Xfd 1
% F1 P( Q3 b. }7 k
& n' R, ]7 H; ^" ?/ n]
0 n( S5 w+ J4 b/ \7 V9 ^
3 Q8 w2 |- q. @, z7 J' L0 [& \8 ]5 [end
: L) D8 m* p" X( Y9 C) _0 U" ^" ^6 a+ _" Q, P
to do-trust 0 Z' T' Q5 K$ v4 l4 m
set trust-ok False
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6 c0 {% \1 w/ M6 F) E' {5 ~4 Q$ I: J: _4 Q+ M
let max-trade-times 04 D* h% ]4 R7 E1 j# V
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]0 ^& a/ V" K/ S' h; y$ r
let max-trade-money 0- X* O1 S1 e- U& w( R+ G) J1 c
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]6 N3 Y( |% ?# S- A2 ]% k- I
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))' E+ @9 O7 b! K, e9 j# H% V$ E8 k2 U
/ D0 i% j3 h \9 h7 k+ a
) t) x. T0 u- W9 f2 B2 u. w
get-global-proportion
) ? D" D4 B; H6 `; Olet trust-value! r( d+ v/ d# Y+ K' i3 a: p
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)+ U5 w; ]" m5 U6 @; M+ G
if(trust-value > trade-trust-value)
5 ` D r$ m5 N3 n[set trust-ok true]5 O* \% `. p' g; {& H
end
9 z! D5 U% U8 A6 C5 |5 q% q
' S/ R; P3 v. x: nto get-global-proportion
6 V2 M: u$ w# G2 @+ V' wifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
; G" Z3 K: T* I* t2 J[set global-proportion 0]
4 W+ i* Q4 h5 p2 w- Y[let i 00 H( i/ e4 V C' i
let sum-money 07 y7 w: N% c6 s& i5 Z6 v) ^5 n
while[ i < people]' P H+ R* ^2 G7 a- N4 q) d" i
[* B. c$ R! ~4 P; i$ l3 p. g
if( length (item i
0 Y/ k0 ^; v+ I: f# O/ u[trade-record-all] of customer) > 3 )
2 V3 D N x5 z( U& P( {. y[
' t. c0 s/ A I$ u4 @# m& K" \5 L; yset sum-money (sum-money + item 2(item i [trade-record-all] of myself))8 p s- t) Q, s' Q" j2 D
]
2 Q; J3 i( F2 Z, Z) E]) L! L6 x! Z2 b) P! r" ?
let j 0
( G! D# A( ?1 m7 X) f" e* Blet note 0( e2 _% n5 l0 i
while[ j < people]! \: ^/ O; d, \( _! L
[: u- V+ F! ?/ R" O( O& [5 X/ y
if( length (item i
$ C( N# C, \. n9 X% J[trade-record-all] of customer) > 3 )
1 ]5 c( h7 W0 e* P. ~; @[( s# c* A0 [6 q+ B1 g3 y
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
' F$ K' T3 G; J# v! F1 J' R1 \[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
. A! U4 g% l& T/ i! P+ L[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
$ n' T/ c' W* i' q; [: c]
: |8 A4 l1 d. r) M]
% \% g% s6 I/ ^$ r8 |% Nset global-proportion note
# o. E& g6 L6 D- I7 f+ V1 [/ f# Y]
: X2 {/ E4 p4 |' Eend
+ L! u$ `/ M% Z+ _' ?; i5 S' `! [3 c
to do-trade
8 t. Y- t1 e7 w" n5 f1 `& h;;这个过程实际上是给双方作出评价的过程
7 d* r L, x- H3 f/ Jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价' Q# {: U6 P& C& |1 A& X
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价: p4 G* O: D t0 B/ A/ E
set trade-record-current lput(timer) trade-record-current* z, L2 x# N' t6 ]# C
;;评价时间
6 Q6 G7 V6 a0 W" X C. Wask myself [
) T* N& V# r; s; Z8 X7 S: B0 fupdate-local-reputation
" \' G a2 v- C. ~set trade-record-current lput([local-reputation] of myself) trade-record-current
3 B1 x- n4 @! W3 u( w]1 t: P1 H( t; ^2 K. h
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
/ k$ |8 T) ^& U;;将此次交易的记录加入到trade-record-one中& v% z0 j7 A# u: `4 h
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)2 S0 \0 i! v1 j' j+ I5 D
let note (item 2 trade-record-current )
9 {- m+ M, n" P* ?" B8 ?% k0 Dset trade-record-current
& u, a& T1 o: Q9 C! C0 v6 l. l(replace-item 2 trade-record-current (item 3 trade-record-current))
s. G; i; m/ z" ^# O! ?# j% Aset trade-record-current
( ?+ }/ n9 S; F4 G3 v8 n- U(replace-item 3 trade-record-current note)+ R6 B/ n+ i- W' X: ~
7 U0 {1 n2 |: B% s; q: N; E1 }" }
7 W7 H, d6 A9 U8 O* I5 r& x6 oask customer [% e) D `: m7 W- y0 M. q; Y8 M+ H
update-local-reputation# P z/ N! g* B1 Q
set trade-record-current
( U' v. C$ D8 l8 I+ l. F, C$ e$ V(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
# U! S) G* h y. M+ A: t0 ]]
; l1 v2 `0 i* `. r* _! A+ ^1 j# ~
( `+ | [' R$ R X( X1 x! ?; l& |: K& b/ i7 v- S0 H' z
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer1 O9 Z9 I3 e, F, s. Q" \# J
$ w1 [- B) h9 P# t) _; Q
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
0 [3 q# M; B3 o;;将此次交易的记录加入到customer的trade-record-all中
j6 J) ~: w1 y0 C" Fend
! }) e* U0 a3 O' ?) G
# B1 P6 d# u" U- U+ B( h% Eto update-local-reputation
) Z. O' h% a" b5 cset [trade-record-one-len] of myself length [trade-record-one] of myself
- E( R2 L. q; {8 D: P0 e+ Z6 T6 A3 u8 ]/ N
* j* |) S6 j, N" C3 ^/ z;;if [trade-record-one-len] of myself > 3
- c6 P4 Y% {* }- r5 uupdate-neighbor-total
; m: \7 _3 Z" i# D* d;;更新邻居节点的数目,在此进行
" [$ P6 o! G0 U% r4 Hlet i 3
3 s) Q: K% n' `" |: @: {% t8 clet sum-time 0+ f" J: ^7 g, u7 ~( x, F8 {
while[i < [trade-record-one-len] of myself]
4 r0 l+ L; n1 C. Y5 ]% n[- G' E J* {9 R% Y5 Z
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
3 E2 \; X0 T# \. J& R0 iset i
( ?$ R( H$ }' y v, W- G( i + 1)
" z" I: S C$ U8 I]' j. F! O' ]( J& ~( f2 Q+ v- V/ o7 c
let j 3
2 l- k5 v7 {+ flet sum-money 07 Q( {$ r- x& F7 c
while[j < [trade-record-one-len] of myself]* S2 ~- @' _$ ?% c
[
8 H4 _# \+ ?' V( Y; T' k6 Jset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)# d4 M/ y7 t& M# H
set j0 \+ X0 h' o a% r" y6 p4 x) y
( j + 1)
' L A0 W4 ^" Z, J]
9 x" z" _. [' Y) W( Elet k 3
g3 y+ Q! K$ g3 H5 a( ]- M" flet power 0
+ S1 N" f5 u/ Z; B8 _/ Z% p' h4 Tlet local 0
+ M- s. j, A( n" uwhile [k <[trade-record-one-len] of myself]
- Y F4 v. |2 W# o& T[4 [* w" y# i/ N* {* x
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) ' c y0 U/ t ~! D/ q: J* B+ Z
set k (k + 1)
# ~+ Z% Q, R( J7 \]
6 ]6 @) k5 n0 H9 X( K+ Z( |1 Eset [local-reputation] of myself (local)
, z6 w0 G( a& J4 ~end7 x/ @: c6 l$ e; ~$ n
: ^) Q9 @' l1 l& r) ]3 Q" vto update-neighbor-total
8 F+ d1 J4 o: b( n3 E2 X' u
2 t' P2 n4 i. y' b$ y1 wif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]5 ^/ q' K* f% C& J
5 l: _/ @# L/ h9 f8 P& H1 F" h4 t% J% o: x1 m* V( |: k$ q
end1 Z6 g% L8 [0 O0 f! b7 M8 m( C
! O s* k9 B, ^# y9 n7 Q7 qto update-credibility-ijl
o4 x' v7 y5 A( D6 u$ G6 B! y5 F4 n" ^0 U4 b" _
;;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。/ j1 j2 c! D4 R f: W( C2 ^
let l 0$ e0 S' S7 c& e+ T
while[ l < people ]
5 z! \3 N2 G& g% _. {1 {;;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/ ~. H9 s8 N: S
[
' t# u* a$ T4 u! n* olet trade-record-one-j-l-len length item l ([trade-record-all] of customer) Q( c4 u* K7 @' w7 S) N5 }* @3 ^
if (trade-record-one-j-l-len > 3)
; I1 Z. {' b# `4 }8 ]* X[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& U$ p9 L7 |9 Y5 Q
let i 3
" {8 z ~7 L" E& w; q/ f" L) Ylet sum-time 0
, L& ^) T4 M6 T/ J2 Iwhile[i < trade-record-one-len]" G- O' b# w, {% `
[5 G) s7 T( x; `* ~6 G5 q, ^3 g2 X2 {
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
3 I7 z0 n& O$ E$ w; f+ sset i% ?: g' [. A$ D8 H
( i + 1)9 y& ]& x9 |1 U5 F- \$ p$ x
]
; e- M# y: i, h9 N/ ], H& y# g' Zlet credibility-i-j-l 0% _- q# r6 a/ y" b h( u( {
;;i评价(j对jl的评价)& Y& k3 E4 p5 O3 g
let j 3
9 M# y4 k: u; @( x3 \let k 4
# c( Z- y- o/ m. }8 Fwhile[j < trade-record-one-len]
& ]4 Y- `5 e* K$ P/ Z C[
4 ^7 ~7 L1 w- owhile [((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% ^: G- p- k# g: U9 C- O# `* f
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)7 M* I, [4 n$ Q; D) f3 e) H% q' I
set j
7 @( ?+ G0 G2 s& a( B( j + 1)
. q+ C* q/ e1 [6 J1 {, g]
, F$ U6 Y/ |. |1 J& \- rset [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 ))2 W- g& R* p( z# D& t5 L; G$ o& U
) M: H" W2 A+ k; r9 Z4 b5 e
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
! G& C4 {5 E2 {5 h! c Y, x;;及时更新i对l的评价质量的评价
3 R9 C! k- @6 j* Uset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]/ S0 h5 g6 C% w1 y& o
set l (l + 1)
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) n/ ]) z1 p! K/ M; {5 k, [end
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0 z2 J. X' L0 w8 n8 M7 @to update-credibility-list0 w$ s! T& M% w
let i 06 k9 }( _, D/ Z: [; o
while[i < people]
7 ~# [- v3 N( I2 w0 y[
; d( _ S) [. Y) z9 ?, J# nlet j 00 }* H% E7 j4 a0 i1 B- _
let note 0/ O6 B9 s+ B# y' i. l
let k 08 A$ u; T( ~6 e* U* i- _3 W
;;计作出过评价的邻居节点的数目% V8 b9 a/ W- h
while[j < people]/ d9 G3 y/ N! P! V
[
" ~3 [* h8 D) l( r2 L" }9 hif (item j( [credibility] of turtle (i + 1)) != -1)4 U. g4 r: D$ i3 V) l
;;判断是否给本turtle的评价质量做出过评价的节点
2 h& f) i- B6 u. w9 y/ V1 \[set note (note + item j ([credibility]of turtle (i + 1)))
" f/ L8 L2 y4 }# g" ~$ g1 S;;*(exp (-(people - 2)))/(people - 2))]; P+ g6 u+ J/ m ^ V2 m
set k (k + 1)( ]& ]( Q8 @( R& ^7 e2 f
]
: e7 L/ Z3 V; b# y! C4 yset j (j + 1)6 `( ]. ^# K5 Y/ s& G2 M' B/ s
]8 J4 a) h4 r: T. p5 `1 d+ B
set note (note *(exp (- (1 / k)))/ k)1 O( l- u+ |& ?4 g0 I) p
set credibility-list (replace-item i credibility-list note)3 Z6 U, R9 C# i8 E
set i (i + 1)
" R/ j% d& q9 t5 W0 W$ T]
- f" M8 v+ D. K" aend
# [2 T* `; L8 s* E# L5 C
7 N8 {9 p$ L, u q3 tto update-global-reputation-list' Z" L j3 ]/ m; o
let j 0! \3 V/ ~" u) C6 D
while[j < people]( ^0 z7 ~6 O3 @" U7 ^2 G6 D. q
[
$ R+ P0 \" H, ~8 |* Clet new 07 F6 C6 q( e1 F" `
;;暂存新的一个全局声誉
* [3 M4 U$ c# C; o! y! h. { Nlet i 0/ A7 ?& q7 F% T% _9 M
let sum-money 0+ X* T, x% }! Y5 g" n
let credibility-money 0( A% ^6 y2 k8 s( m0 V* w
while [i < people]
1 u0 u* i$ I( z: c6 J, U6 A2 W8 F[; ]/ l% G2 l! t6 d7 ]! C8 ^
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
" l8 f6 t/ }$ O. _/ q: sset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
: ~6 S4 v8 M! |9 C! e& xset i (i + 1)
* f5 @" N' [$ K0 H7 K8 S4 V]9 s% u/ l6 D$ d0 F) q
let k 0
$ h; ?7 ^1 `" g. G/ W$ o+ W2 @let new1 0
8 M o$ A+ ~- U4 H, Q* Ewhile [k < people]
( z z1 b8 n2 ~' ]7 u& D[ \# j6 n4 _5 h% k% E8 H8 Z8 q- ]
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)
/ t9 [, e% p1 V* ~ I) _& zset k (k + 1)
3 M5 ]( Z% `3 Z9 G% E. f]
- B# I2 z; E% r" I; Jset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) % e* a, E% r3 J! a9 U' A
set global-reputation-list (replace-item j global-reputation-list new)( ~0 M, t$ a/ k1 d/ b
set j (j + 1)- A- o0 G; v8 v2 H# w& s
]
* J; E' y$ `" j5 [6 {! Send
7 q: ?5 B$ s, r' j3 t# @4 \
2 U/ K$ i) n& x; F* H" B) g/ C' |( _, e0 J. \* j
6 W! |7 V0 x1 B7 G7 _* A
to get-color
$ Y/ h+ S9 X4 n. D& q, V
+ ^; v L, k3 c: @: k% }5 h0 m& w4 aset color blue
$ [0 t8 A1 _# j2 v7 mend
7 W9 A; t, B! J' D* f$ _
! l+ Q+ A% ?, l6 r* {+ B6 v( ^* b2 ato poll-class
8 H4 V9 M U+ G7 j/ o iend
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to setup-plot1
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% j2 `5 {6 E x+ E4 Uset-current-plot "Trends-of-Local-reputation"
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set-plot-x-range 0 xmax4 `, K0 W& f+ q. R3 B
- V* l9 w! }, n, f% V1 Bset-plot-y-range 0.0 ymax6 k: h- k& D4 `, ^3 o) P; `: y5 K
end
- [- ?; m( Z$ |( C m4 h
: O1 O6 o: R6 ~* ~/ u& oto setup-plot24 l" F2 N3 l: q- Y2 `: J
% ^! C, X6 v5 J
set-current-plot "Trends-of-global-reputation"" t7 y4 f6 W7 S- P7 ?
8 t8 h+ K6 h* T# a
set-plot-x-range 0 xmax
* t5 v V3 d# s
i9 {; M' f8 A5 I4 cset-plot-y-range 0.0 ymax. k; y: g* ^4 R
end
. l1 y. `! ?+ s ~6 _$ S- {4 S
1 t/ L9 O: x4 V& X, C6 sto setup-plot3+ J. l% z: m$ W1 b; M+ V
* J5 h" A9 l: {$ d2 k X
set-current-plot "Trends-of-credibility"
9 y \: ~ p9 W, Y( m8 M/ t# ~! p9 W$ p9 z
set-plot-x-range 0 xmax
4 D m' S; X" F. j# @, a, j* S: c8 p+ j+ }$ G- p
set-plot-y-range 0.0 ymax2 G; c& Q! [/ G8 H9 O9 l
end
! u `1 B. u- t8 ]! f) j+ d0 u
$ ]5 a1 D: M# o6 d9 eto do-plots) h6 o9 w$ ^* x* G
set-current-plot "Trends-of-Local-reputation") [4 Z, @9 o9 Z- e7 q
set-current-plot-pen "Honest service"4 g. L9 K9 S% k$ u: s; {# `$ Q& n
end
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2 H/ s8 B. s% ^2 o[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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