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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
5 H: \5 N' Z( q& Wglobals[
9 j9 E8 J) x. ~ e6 U [8 e# w# vxmax- T% |6 b6 u# b! K# ^
ymax
5 D/ _' E x8 n$ ?5 ]global-reputation-list
8 o: B3 V8 p4 n$ t* h0 `
. t1 S2 x5 g0 `' p, s/ F;;每一个turtle的全局声誉都存在此LIST中
% q# o4 v0 o! j) l8 p2 f2 E6 Qcredibility-list
: N# ^7 d l! z3 N9 d;;每一个turtle的评价可信度: f9 v% K! X8 c4 p8 k$ ?, Q
honest-service
% Y. v+ i; P2 ?unhonest-service
# H- D, m! X$ Y, c3 _1 e& Poscillation f' M9 }. p/ D* f# c
rand-dynamic3 X$ T6 k! Z1 ]+ F0 g5 W) L+ A& w+ A
]* }3 V$ `* C$ B
: Q6 o/ B# E& _3 k
turtles-own[
# [: w G3 D8 ]# D! A0 C5 ?trade-record-all6 I" ?3 _: f; k4 N# a
;;a list of lists,由trade-record-one组成
: A& [# y1 c7 p% H8 Ctrade-record-one3 W; ]5 ]6 |; U; w% N
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
, y' o. q% |+ z8 H, z8 k9 n# @" ?9 t. y9 `
;;[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]]% t; W1 `! v2 ~# ~( D7 z3 d, d7 w( n; F- l
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]5 d r4 L" |3 v/ y x. w* M+ w# S
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
! {: u1 _% \$ M( ?neighbor-total, j8 g' S3 R7 Q4 w
;;记录该turtle的邻居节点的数目7 T4 a5 I2 t( d
trade-time
9 S( z8 ^8 @, X, E) B! X;;当前发生交易的turtle的交易时间
. h' t$ C T" _$ V V4 g% b0 Vappraise-give0 C7 ]& W# @8 C- s8 v8 i
;;当前发生交易时给出的评价% ]! h) N3 r) b
appraise-receive5 P9 _( ^/ k. Q) f3 {: D R
;;当前发生交易时收到的评价) c& d- N7 U- H8 b+ j8 r) ?- c6 `
appraise-time
! K& h- _! Z, C4 Y8 p" Y;;当前发生交易时的评价时间
' X* i8 X& d: m9 D5 I9 Y% Rlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
, n# S$ m0 f! x: @% N. ztrade-times-total
* i; y. t+ o. J& q' S7 t5 ~;;与当前turtle的交易总次数5 \6 x, D; D1 T6 H* E/ G
trade-money-total
6 w. r, E' n2 ]/ [2 o;;与当前turtle的交易总金额: Y1 p% ]+ D& y( V7 [
local-reputation4 D3 D, D3 `2 G$ E) ^' b
global-reputation( k* Q: |1 h" {$ j; p
credibility
. _# L! Y& ?; K7 R" _8 }! H% ?;;评价可信度,每次交易后都需要更新
. A2 d! A0 q; r0 j8 S0 Kcredibility-all
& ]+ K- @' h v, P. P; U9 m2 B; f;;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
8 L( r- w* x5 `$ K
7 z+ }$ M- P" [1 L5 r4 E;;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
6 w2 L: ^4 k8 H+ `4 q, I/ M# tcredibility-one' R3 ?. n2 V5 D% T- o' z$ [8 U
;;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8 f: R4 G) Z2 L5 q- R4 q1 k
global-proportion
9 C2 _6 @3 e/ C; ucustomer
. U- G o' B0 Q5 B* u. W/ N. ycustomer-no' d+ p, D2 @% f
trust-ok
: V' w8 u- f5 wtrade-record-one-len;;trade-record-one的长度
8 r$ _ i3 y; I& C9 Y0 x]( v6 ~2 z3 J5 E% T! G. J
7 `6 Y4 P- a! r5 p2 _9 t- Q
;;setup procedure
! Q( Z' J5 y1 [' m1 `& h4 L9 Z' H; M2 A
to setup* ^$ s8 o4 m+ k/ D8 n
; {/ N( J, [6 Z4 y( ~/ t
ca
( X- J* s; R9 a. G5 h5 P1 |' [/ [2 X I: V4 h6 U k7 e( Y
initialize-settings3 f2 C3 {' [/ v; z
, u3 V9 Y4 N- jcrt people [setup-turtles]6 X v9 X4 l9 w; V& J
& }* c# Q7 D& T7 M: f! C
reset-timer
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poll-class" g( g4 \& E1 `9 f' W, m- Y$ Z1 `" g1 k
$ g9 A# l( D u) d% L' Y
setup-plots* q, Y6 t. h7 z
& R- F( u$ D: A5 V4 P+ @& w- C) V
do-plots7 v/ o; _. D1 V% w6 x, ~
end- ]: I/ f2 R2 Q0 a* e- t
* y t. y' t* ] x$ cto initialize-settings! V# g. o$ e+ x, r/ s# Z! A( F
* y5 }: C3 G5 @+ o/ kset global-reputation-list []" ~+ [5 L8 A4 G7 _
5 x5 d5 F0 \+ [# g5 w6 cset credibility-list n-values people [0.5]
$ N& c! B0 o* R" C1 P% }! W: o$ e/ q9 y L9 l: A4 p' f
set honest-service 0
: K% r# \, p" ^" c/ P. m9 R: {0 d& B7 F$ e7 L) h$ ]* P. A( h
set unhonest-service 0
U+ p3 Q$ V: T! p+ f
1 ^' `+ \; _7 Aset oscillation 0: B/ S" I# T0 P4 a, q+ D- ?8 u
) I7 ^* x! W' B$ m9 \set rand-dynamic 04 z3 [( o+ L5 ^; O$ e, V! |
end
/ C/ ?2 i9 p* D2 A, c [# K1 X5 c. ?$ a0 ]
to setup-turtles
, P$ ?1 T& s. T; T% @" Iset shape "person"
: C$ n, y4 ^' msetxy random-xcor random-ycor
: k. e$ T7 {- g, j6 m, u- P. G7 iset trade-record-one []
5 M, y0 w2 w4 A' O( G/ l
' V3 \: L) p7 Oset trade-record-all n-values people [(list (? + 1) 0 0)]
; W' T( K% X2 T: P/ U. ~ H
, Y2 t* t" B( @* B: Lset trade-record-current []! X; p: e5 D0 G: O) t* Z2 I9 G+ d
set credibility-receive []# Y5 c6 N' ^7 B4 s1 B4 K( e
set local-reputation 0.57 e1 B- H# R# k/ w& t0 \/ p' s
set neighbor-total 04 N0 |5 ]+ h3 f; C( P; Q( H0 l: c
set trade-times-total 0# f) C1 p0 k- D. t' w$ w4 F
set trade-money-total 0
. o: ]; r! y5 [0 T0 R" N2 Qset customer nobody& d. ~* K; P0 s; B: g* J* s2 M
set credibility-all n-values people [creat-credibility]. q4 [1 \% x1 f5 C. R2 J" K
set credibility n-values people [-1]: w9 ], K7 i3 H6 ]# c; P" z6 l
get-color
* }- y4 E7 J; F0 a' t G: p3 Q8 W9 }
" E0 }" k5 o* P T- J( j, F ~$ Mend) g+ N) u. Y: Y. b0 s; O* P
* w) ]6 S; W6 n' \* v/ y; v
to-report creat-credibility
6 q" V8 F% p& J4 W6 mreport n-values people [0.5]/ ~! k0 l" D, i& r, ?
end) b$ K. ^. f1 m' x
: h3 \9 p; N H$ m; r2 d: Kto setup-plots: R. ~: a0 t' ~- H9 Z
2 v& x+ c8 T: b) w( h( N+ g& \set xmax 30( ?& L, z& q6 S A7 T
/ N9 q3 A( I# K2 {6 x
set ymax 1.0
$ @+ b' W( h0 x% t( W
9 L% O% c0 q+ u2 \: U) [* _clear-all-plots
) i7 H% y$ g0 a, M) x8 d# [- \9 u5 u3 E" |; T' a* j6 J+ u
setup-plot1, ~, P$ G( t$ ~5 \9 Y5 @ a
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setup-plot2
) k) @) M5 m3 o- r: X/ ] L
' r# S# i& X" E) |! {# y" J3 rsetup-plot3
% P1 S; I6 \9 u# ^1 \+ Z6 L7 f. oend
4 W: j# P6 A& P: e1 B8 W& I; W* P5 K( G" j) G( g: |
;;run time procedures
i1 z- n! A& H( w w0 @4 s/ K1 R9 q7 Y# A8 K; o* ~; |3 g
to go
' Z- w' H' l: Z8 V5 e
8 n. ]! [9 |6 J' ]$ _) `$ Z xask turtles [do-business]
8 D0 {; W: f% @0 ?: W" ~; [5 S, iend
3 d, j! \! ?) G4 \( i% U: Y( [% T) D
to do-business & G' c; b3 j1 e0 {1 n8 k# M. f5 q& @
$ [) C) z% y: c6 K' B& S3 z* c' t9 Q: e1 I
rt random 360, Z/ u5 ?8 z M+ _2 j
5 G4 }0 ^: L4 U2 I5 W; C x
fd 13 \% g a1 x0 ?. w% n# S
p& c; i- U. @- a8 Q! r5 M2 r2 g
ifelse(other turtles-here != nobody)[+ z. Q% }+ O. Y, S) x2 ^
% f, j2 z3 E2 w" dset customer one-of other turtles-here9 w7 R2 b; A! u( Z8 m
: K% b- H) A, q! z9 G5 b;; set [customer] of customer myself" c8 A% e! p8 d0 }( s9 j
3 m7 B; b8 q! Z6 s% p! oset [trade-record-one] of self item (([who] of customer) - 1)5 S1 ]. r' |! f9 A* _! H* I
[trade-record-all]of self/ f9 N! h" s& Q
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self5 k9 I- |( s% ]: c/ s$ K0 r
7 v* o/ W* i; [9 i' ~set [trade-record-one] of customer item (([who] of self) - 1)1 R! b9 q; b( k) P3 X1 e
[trade-record-all]of customer
: \9 d" @9 a3 e* X7 ~- @" Z& w6 Z U Q; k1 `
set [trade-record-one-len] of self length [trade-record-one] of self6 q$ \. g& R e' n+ y- m) P
- e* h$ a+ W# \+ I. u* i' C
set trade-record-current( list (timer) (random money-upper-limit))) F% c9 Q3 o) ~8 _ ?
0 f( `* ?( B! P! m' h2 _9 S: m
ask self [do-trust]
2 \' I( R5 Q" N4 i# I; E;;先求i对j的信任度9 {2 z$ ?3 \8 n' y3 y" `
! L5 L6 C$ M* J* O. J2 Q$ U7 j' M
if ([trust-ok] of self)+ a* t2 q$ G6 b0 f5 D. ^
;;根据i对j的信任度来决定是否与j进行交易[$ S) I( V7 i5 t( z
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
" }! ^1 \( P! K) d& \( [% X1 A$ i0 {6 ~
[
( n+ G' n7 m# z5 h* z( z7 P( O1 e& n$ A3 c
do-trade$ F& ~- O/ H; i4 [( w6 b/ J
& `4 U9 _% |9 q3 H+ E0 I
update-credibility-ijl
- ^6 l4 ]; a3 F4 `0 w
; i: w$ x/ M3 h, z/ cupdate-credibility-list; o' n3 l! N6 J6 V
1 M9 M3 r7 S' s T3 i2 Z( R, I7 B1 ^ u4 y2 R- X/ n+ L" ^* g+ R
update-global-reputation-list
* s9 C( J2 W( c- r8 {: @4 p3 ?! V( a* }
poll-class( d0 |$ j X4 `* t8 \7 t; a
( D" R+ G' P4 P2 P) mget-color
3 d4 f5 f( r' ^1 K, q0 i6 ~3 {' x, P1 Z0 [' i( a" ^$ j
]]
1 _( y) m; Z# R5 @+ Q# K1 J
, \1 |" i# j& g5 p. X4 O0 G;;如果所得的信任度满足条件,则进行交易
+ H* v8 N, \4 f' W/ _" X
4 R r* f8 m8 w- T( r[9 ~$ y4 {% s* \- [! Q
: p% e# S8 U. x/ \9 ^
rt random 360
J: w+ n( w. P( [9 ?2 w4 ?, K- [2 v: _4 Z- N) S
fd 1
5 n/ p2 ]2 l, N a6 R& S7 Y1 C9 h* f- a( h r) w5 _2 g* n* ]
]" L. M$ F! G+ E
" f) L1 q1 p, E" d0 d4 }end! O/ }% C) r9 a' m2 Y' O
$ h$ q) V' u3 x0 z* i3 Mto do-trust
B% h% d- t# S9 a$ eset trust-ok False
) q6 w( ^5 G0 o+ G9 H% x- y
) r1 ^5 a& R! y' _" P
! c5 K4 V' K7 |& Z* x1 V9 ]let max-trade-times 02 A2 l q6 S0 z2 U f6 W8 i( W
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]* O' m3 V" s, m2 W# y+ ?1 D, T
let max-trade-money 0
! \+ ]3 g- `: X% ^! _( E% Mforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
, L: p0 d1 R1 X& } Z$ \let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))6 d% w- M9 B: X& _
7 n2 a) Y/ J, V; Z$ K
3 g* `4 |" z8 i9 J8 e/ m' d
get-global-proportion/ T9 }# |, w& w& N. n
let trust-value% |4 v u' G! V4 N) V! B7 ~
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)
( H9 ?& G* E; l4 x# R: Aif(trust-value > trade-trust-value)6 K# X3 R) L; Z8 X; H) D
[set trust-ok true]$ q6 ?$ v5 G! V" J6 i$ D& E5 @
end* S" j n: H6 L* G
9 W! t, ~' M4 `+ c; {. yto get-global-proportion
5 l2 S2 S# R# p+ e! X! ~% Mifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)) q/ z$ Q/ A) T; N7 o3 A- J7 Z
[set global-proportion 0]6 m" H: _8 B# `! W
[let i 0* Q }* } u4 @( Y
let sum-money 0' ]* t6 I' K$ I6 T
while[ i < people]
; \# v2 _. b3 `7 X: G; Y2 @; N[1 n* p3 w, l, G0 I
if( length (item i2 w3 p/ g) l5 C4 u, M, ^
[trade-record-all] of customer) > 3 )
$ ^9 w2 f: T/ j7 K% a[
Y: h) R4 j3 r% j& N* _set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
! W" A' P3 _, w# @- t]
/ o$ s) {0 v' B! p/ }]) d4 Z" F3 x- l" F3 I' @# v! K( ?
let j 05 C8 @! ^9 W1 S6 ?5 B
let note 0
4 m6 q, C; s( T4 f8 w4 ]while[ j < people]
3 j' P9 y' i0 z5 o; \: j1 ^' O[* {% F/ `* Q: ?! G" U2 D9 Y4 f9 Z8 k
if( length (item i
/ v$ R" _; O6 q! \ u; K7 G* K[trade-record-all] of customer) > 3 )6 \( Q0 W' e) ?* Q: E
[3 I0 F0 Y5 E" Q$ o, Q
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)7 r9 x/ E& |6 y1 Q$ u" l
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
6 j. C7 T/ [, V6 ^& S9 j' O. K[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]. u8 k0 }# t) S6 R' P
]) C8 [! y2 F# O6 I8 F' m
]
" W* y( C5 _4 L4 L3 mset global-proportion note
) C, Z3 j* ]4 i1 ]0 N]
) A6 U: v0 q. z5 ^( ^& eend/ q) K; [$ [' V/ @2 d3 b ^1 ^
# X E! J$ x: W0 f
to do-trade
' v0 r* n- }7 M: w: Z/ j;;这个过程实际上是给双方作出评价的过程0 M: b0 \+ h* n6 x4 t% D
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价2 I8 i+ y' P/ _% A% O8 C
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
: j3 z+ F% K' q% ~* P2 ?; hset trade-record-current lput(timer) trade-record-current
0 M1 F# U* n3 A+ d( l: O( u: ^/ u;;评价时间
3 _. w/ U+ L0 T+ F, H+ C; sask myself [
, }- r8 d/ X8 X3 i- xupdate-local-reputation+ K8 l- o6 S( g
set trade-record-current lput([local-reputation] of myself) trade-record-current- d6 o+ r# e2 w3 Z$ E a
]
9 k! f$ K/ E6 J) s5 ], Qset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself. S* _2 x4 n9 I4 v( v3 P
;;将此次交易的记录加入到trade-record-one中
& i h0 t0 ~3 sset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
6 e' e0 [7 `* C. _- Wlet note (item 2 trade-record-current )
0 ~% R0 @$ \& J& o7 oset trade-record-current$ a# j) i2 W( R
(replace-item 2 trade-record-current (item 3 trade-record-current)); D; p( j% J q+ ]" R6 M" F& B
set trade-record-current
! Q1 B& J+ w& H1 _# s(replace-item 3 trade-record-current note)( v. }6 ?; F# Y
. G! e( U/ ^4 T: q7 f1 E
( ]* s( N7 u( ^6 k3 e& D% M; Kask customer [$ K; W2 D* j' T2 o3 K; |
update-local-reputation* w6 p, h8 t4 M1 _' B% Z, Q) x. M
set trade-record-current9 P9 I+ ]1 x i, p7 R: o
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
. B. A. b9 c) {( c7 X]
% Z7 M) K+ N4 J& }% v6 }, ^. ~7 P4 ^2 a/ T& f
$ Q$ e- e w, f4 h! ]$ j$ k4 [
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer0 {' A4 R. p9 l3 z0 T' d
7 R. b, K" I" b4 c3 P& r4 m) v, Sset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))0 w. F ~1 g. {8 K- k% U2 w" ^) k
;;将此次交易的记录加入到customer的trade-record-all中5 L: B( r" ^$ f+ M3 I- V, p1 d
end
0 s2 }9 |) N( Y8 R4 _. i5 F/ _8 J. a5 p! s7 ^' }
to update-local-reputation+ _. }$ }) P2 p7 _" V
set [trade-record-one-len] of myself length [trade-record-one] of myself2 x# H/ D. J8 {* T% i& |
; `6 k2 R7 }! B
7 o' V, [5 k e& x4 O
;;if [trade-record-one-len] of myself > 3
$ P# o$ U1 Q( ]0 l8 q* bupdate-neighbor-total2 k( h# O# \. |
;;更新邻居节点的数目,在此进行
* D0 F- u5 y" \6 f+ D2 E' Xlet i 3
* |7 {( l1 b* g' u. x; C1 alet sum-time 0
* g( k7 c3 I0 c% Wwhile[i < [trade-record-one-len] of myself]
9 B1 M0 D8 g" q' o& ?# z[
3 e6 ]& r- c6 q- \/ {set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
) d4 B& R( Y4 n3 G6 t* k4 dset i
: ^2 z1 B2 d* p% M( i + 1)
2 b0 h2 }5 b# T- \7 y# t+ d0 ], J( T]/ T4 ` D! _+ j, B+ ?# T
let j 3
- ~1 U# I9 s5 l( [3 Z7 [let sum-money 0% s2 \' D: |8 o! \
while[j < [trade-record-one-len] of myself]( h3 R0 L3 Q( i, a
[9 [& U, b. f6 Y- B. w* H
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) l, e' n: l, t+ u7 y, t
set j
, i" P0 d: v- H( C$ B( j + 1)1 A7 i- ]9 M+ h3 n) a
]- B9 w! \- h! `5 Q0 ^; ]/ X
let k 3% R& C0 |# O/ Q3 k% \! ~8 S& P& m
let power 0
0 C, D& O9 Y. S- Qlet local 0
' o! [3 V9 b# f- Fwhile [k <[trade-record-one-len] of myself]
4 f1 a& x. F& m, u: ^[
/ c: j. S: D, ^3 {; O8 I0 jset 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) $ e8 |( r# H1 r. ^
set k (k + 1)+ o: U4 a0 i* ^7 K+ K0 E- m
]
4 D+ j$ v K( m/ vset [local-reputation] of myself (local)
8 V9 o" u2 j" P. _end g$ l# }$ U$ P6 M
/ @6 m1 m, {% l. x7 Gto update-neighbor-total
u4 W z6 Q& w0 A# l5 a. z- e* S2 |1 O9 y
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]7 h/ d& p, K$ K. Z6 D; h$ k* i
% U. X7 M$ X N, e( c0 q, }) o5 o# Q- O% r- J* i3 j" m+ y0 U/ I' C
end
% D; ~1 N* R/ p4 y7 [+ ?. C# Q( H6 e# t+ ~/ ^- s4 N
to update-credibility-ijl
' f2 {6 i+ q& p. u7 Z e/ i* s4 I8 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。
' K4 i- M- w, E+ u C, d+ i6 zlet l 0
5 |2 a8 y% _9 F& n9 Zwhile[ l < people ]
, E9 X7 y C) b2 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7 [/ ^5 f7 S7 f7 j
[
( o. E) g% Z; H8 X% ?! rlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)+ A2 z0 ]4 t: W3 s+ G M! B4 P
if (trade-record-one-j-l-len > 3)8 w' t7 c4 y) @8 m2 l
[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
" r. w. V4 d9 a% m7 f1 Xlet i 3
4 E/ f' [0 Y, i0 g/ f+ Llet sum-time 0
5 {5 D: q8 p, M. Q1 Swhile[i < trade-record-one-len]9 `+ D% {! Z, J& d' S2 F) C( Z
[/ r" y! I5 B. U ]
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )% s9 f' ?- g7 M5 j. [! H
set i# K( h% q @3 J
( i + 1)" k! {: y p% |5 P2 q
]
: Z$ ?4 m6 ^' c5 t( b' u, Slet credibility-i-j-l 0
* S" @+ d \) f6 ?+ r;;i评价(j对jl的评价)
' g& o0 G8 _. h7 l. O0 R2 L: S' m; Clet j 32 J& q% `/ F0 M: H; w
let k 4
8 L+ n, U5 }$ S( y, V! lwhile[j < trade-record-one-len]& H9 W8 U4 s/ `: Y6 r
[) p- ~ s4 Y. y; b2 A6 }
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
! Z+ `/ ^9 a; h* ]3 X- Lset 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 S' z. j7 Z* N7 D7 Z
set j
& A# a P4 K0 ^0 ~8 D: Y( j + 1)- {$ b; f+ x& H
]
* Z& P j5 h2 Q4 s q" | {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 ))
8 o8 ^& ]3 `' k7 w( C, ^& m. k9 n9 L4 J! ]7 }
, V: \5 J/ ?! O7 j) q( x3 p6 P& ^let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
% s+ F9 Q+ n0 |! a, U9 A;;及时更新i对l的评价质量的评价$ ^4 M; ]# B- e! q4 F1 ~1 G1 o2 ?+ q
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ] b) X. ?4 Z# j% {
set l (l + 1), @- w6 q9 D7 u9 w! o) X. ^( a
]9 ^0 e, |1 L& n C
end9 E. O) q* u0 Y) B
4 |/ E4 c& e2 C" ]
to update-credibility-list
- T3 n+ U# @- Z$ e5 f2 Flet i 0
& c( A }4 q% `6 `. Q3 owhile[i < people]/ d0 b$ v7 A) w0 v- _
[8 ?: @5 C+ F- |9 C; T
let j 0
% m& A0 S% N2 c0 D# K1 f. Y3 j/ Dlet note 0
3 V" E3 v+ b4 h6 Z7 [let k 0
/ ^ Z) M8 c/ {7 l: r; i' C;;计作出过评价的邻居节点的数目- _4 U/ i! L& n+ g `- k8 f
while[j < people]
3 I9 l+ j4 ?! g& b3 h$ P: E; C[
2 b7 [, K/ h5 l# C6 G0 F" \. oif (item j( [credibility] of turtle (i + 1)) != -1)& @' T% C- M9 p6 }. E
;;判断是否给本turtle的评价质量做出过评价的节点5 n* u- Y2 r' S! M
[set note (note + item j ([credibility]of turtle (i + 1))): D: j5 [' u" M, c& G5 R8 A' X
;;*(exp (-(people - 2)))/(people - 2))]
" L# D: m1 x6 Zset k (k + 1)4 v/ S# Q q+ Q6 j* H7 O7 z7 A
]- b5 s0 v9 b, b9 K' x7 M
set j (j + 1)
& G7 H6 U+ _1 o7 t]; ]; V, ^( j0 O* W
set note (note *(exp (- (1 / k)))/ k); o, [: l3 X! t- c
set credibility-list (replace-item i credibility-list note) f' L9 U) K. q4 H ]1 J% @
set i (i + 1) m( ~( V* H. H! i3 X
]5 V/ I: c( P+ ~; i% `9 F* [
end
4 O4 Z, z: ]; y5 t* c
" f6 T- S% Y+ R; ~; Gto update-global-reputation-list9 w5 U5 [* u- M7 u. {/ q" A
let j 0
" V( B8 o( X- j) P5 X1 r! s* G% Swhile[j < people]
9 l: u6 q4 h3 \, b3 H[. Y: V5 b+ B+ B Q7 d& A
let new 0+ }/ m+ Z2 ^! V" {' `
;;暂存新的一个全局声誉$ ?8 ^% V; g I* \+ J7 _7 t
let i 0
# F% Z$ ]4 b6 R4 Q" ?let sum-money 0/ [: b2 p/ J/ r7 k
let credibility-money 0. J! w7 r& h& _2 J _* e; t. b" e K
while [i < people]
) ?$ V6 t" ?6 ]2 z m[
! U) q2 y; @" oset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))9 c! f( }3 _1 ~! Q
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))' P! K( \: f+ F: ^ |" a! t5 s
set i (i + 1)
' K6 U) N$ k, ] ^0 d]
0 n2 Y# H$ T0 o h1 v2 J1 B4 dlet k 0
) k( }6 U% L7 S8 x& Y' J2 mlet new1 0: r" v4 O" U9 q. D* k% ^
while [k < people]3 i6 d$ U- y1 K( q( ^6 d
[
# S: ]2 G/ S$ s8 W# T6 \7 Aset 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)
6 S3 f* ^$ a" Aset k (k + 1). O! [; d K4 C& h
]
1 {8 i! @& } ]+ x5 @set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
$ Q! K0 g. W" v+ t+ _3 tset global-reputation-list (replace-item j global-reputation-list new)* R p$ h: V8 r( x" ^6 M
set j (j + 1)8 i# }; z1 m5 D! \3 V8 |" C
]
" M: `* k$ m' \1 \, A, C. Uend* a9 E! e; g4 _) d
g" \$ r% M0 \4 a6 ?
/ G) c/ J, T( R7 m3 g: {" S/ L
/ I* T* f$ p Q7 i. [7 b jto get-color
E7 C- A' W! h3 @" W% G+ E
' u9 ^% Z" p3 m( v% Fset color blue
+ Y5 q" C0 F* l0 E: K7 X1 [end
) \2 l/ @% z- ` q
3 X( [) y N* k% j2 _# U5 Z; xto poll-class3 A, \ M, n' s5 `% W
end
) k1 } m5 ]0 `" {) `2 n! L8 [0 W4 k8 e, [: O2 [/ D2 G
to setup-plot1
3 V0 \4 [: ~9 e
$ ]; ]- \! H0 V4 yset-current-plot "Trends-of-Local-reputation"
/ ]' U3 P! B+ b' P) u8 r5 y( ` M& p9 _ V7 T+ H0 @7 o0 I$ x
set-plot-x-range 0 xmax
2 I/ x6 M& t Z+ V" _( } q Y- R5 z- h' j: c. a U! h$ ?0 A
set-plot-y-range 0.0 ymax
6 W \- K1 B( \) A9 X8 u) L0 vend
% t6 c8 H9 G4 y5 I R- ~! d7 U u* D/ j/ `' B( t7 Z
to setup-plot2
! q8 P4 }5 z, C$ X, \, m) @& j" Q' U/ V/ l9 O5 X( K+ `3 x4 B, H8 o
set-current-plot "Trends-of-global-reputation"
, a9 \0 G! C: D# ^
' f/ j/ |) @5 [0 U% jset-plot-x-range 0 xmax: C0 p3 a$ x- n0 W3 `
2 |9 {( H$ z" S& U, @# N: p+ ]set-plot-y-range 0.0 ymax
" ?5 d8 V5 B: b# hend
5 U6 c0 l6 k2 L' e; Z1 a$ s& z4 i
to setup-plot3
: D4 n, R7 \- S
) s. a. Z$ X2 W6 j+ I5 z% d, Bset-current-plot "Trends-of-credibility" [( h6 }; I3 ]) [& V2 J
" I5 x- m2 n5 R5 V4 x2 O
set-plot-x-range 0 xmax$ @* j) U' K/ o% L$ }# d
* `0 d S {3 T2 k$ Oset-plot-y-range 0.0 ymax# b" u- A0 H2 b* W$ m
end
( q% ~4 L2 k# p3 @& @3 D& [8 d: ?$ N6 Y" g: C8 }
to do-plots
4 y- f8 k0 ?" d2 a4 Qset-current-plot "Trends-of-Local-reputation"
' |" w/ `5 f/ n1 M) ^5 g$ lset-current-plot-pen "Honest service"
# T5 K1 l" _, Rend
" t8 |5 P5 i# Q8 e( z. w- Q
, \5 _# s1 f: @3 \1 \7 x) d[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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