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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+ g( a/ @( ^) s$ L
globals[
" A( ? I8 F+ l% S8 ~xmax- t6 E; A& N8 k: _3 m
ymax
& c! D8 u% A/ X `0 a0 {7 Oglobal-reputation-list8 ]4 ?. g: [4 j
Y& `9 \: @' P3 d! u; E% n$ c;;每一个turtle的全局声誉都存在此LIST中! e5 V4 ~; d; [. U; g2 v+ k
credibility-list
# D. s1 C5 q* p: K$ b;;每一个turtle的评价可信度
, q% ~- w( A+ Fhonest-service, O' g: Y. o# t: ] b- j
unhonest-service4 P9 M Q1 l- }- [1 N
oscillation$ [# U# x8 h* i0 y. n1 ?# J1 M
rand-dynamic
% V4 s; j% f* ~]6 r. d, V8 |; M
v _5 B" E* V8 t7 y" e$ Aturtles-own[
! }- m' b# a6 J6 ltrade-record-all
/ _+ Q* g$ Y5 i+ M. N3 z: n6 ^: j;;a list of lists,由trade-record-one组成
/ _1 d& m: |0 v& k4 }5 W6 L; ztrade-record-one
$ z) X" _& i7 P5 m" `/ J2 U+ I8 e;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录 \5 n2 }- d8 h- t
( O, k/ J9 _. V;;[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]]
6 w! \5 i; d- I' [! Z! `+ L9 Gtrade-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]
8 I% ]" n4 ~& {; Fcredibility-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( E j6 e5 t" @8 F# _& z4 n
neighbor-total7 T. p7 ?7 X0 k* |: q5 N+ r
;;记录该turtle的邻居节点的数目8 u7 { j- h$ p2 L9 y# A3 o
trade-time1 U9 z$ b) T8 Z; }# _* }- x
;;当前发生交易的turtle的交易时间
6 G8 p( E( A) ?1 `4 ]appraise-give( c: @7 \; r% ?: j& ^
;;当前发生交易时给出的评价
P4 d1 j# [8 p" h- Pappraise-receive% s& p9 R) F G9 {0 z, q5 \0 I/ Y
;;当前发生交易时收到的评价' Y2 E+ R& V! v& }* S: E
appraise-time3 T& s: j$ W S, o0 R# [' y
;;当前发生交易时的评价时间8 t. v% ?; Q. H2 y& Z, g" l+ S8 m Q
local-reputation-now;;此次交易后相对于对方turtle的局部声誉2 Y5 y6 s; @' \7 m, r- S( _! H2 _
trade-times-total5 F/ H; y4 |; ?$ G7 M8 X
;;与当前turtle的交易总次数( D" }5 c5 g5 B2 E; W6 V1 D9 Z
trade-money-total
# I4 @, _# T h8 i" S. x: X;;与当前turtle的交易总金额
% |7 Q& {8 ^: r3 ~local-reputation, `% G) Q; F$ j3 {! e! l8 r) m
global-reputation
" [4 t2 u% Y7 h8 t( P1 hcredibility& v0 o) V; f( i( v7 ] y
;;评价可信度,每次交易后都需要更新+ v' d$ P# W5 z" O3 g
credibility-all3 {7 l6 Q. I) r5 t3 g/ d9 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( H, K) T' G1 b7 g: D2 T" ~% @
( b; Z! u7 |* P;;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! h8 ` J$ c1 n a4 w& @
credibility-one- h$ \; ^: n6 f* j- }& w2 P* T
;;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2 y8 \$ I% Y: p! H( |5 M5 Y
global-proportion; a \: t% k) l9 D5 |
customer
- T6 h, H. \) w- S- Q+ o2 d+ ncustomer-no3 n5 _' ?* b' B( L
trust-ok3 j0 u- K! F/ P$ e# y4 p
trade-record-one-len;;trade-record-one的长度9 _2 z3 }/ _' N* ?
] _/ |7 g9 z% p
: K# [* A, Y3 u7 C" I2 Y" M;;setup procedure
8 b% ?+ {- X/ e! z* x- U! H9 e3 K3 t. k. q4 B* o$ F# L
to setup" V6 Q8 _6 D* @- A. d
# x2 Z/ Y. N; y& z; p jca
4 P$ O& \: H, L4 K
8 j3 I+ F* w+ y! h' s J2 {7 J2 winitialize-settings- O c9 I4 G) @/ E* o
, o1 W2 C- G/ I7 u9 W- }crt people [setup-turtles]# x: p$ o: R5 r \: @2 E% n
/ P" g( T6 K5 p) Q/ ^* o' ]
reset-timer
) w M7 O# @5 J$ _! Y1 m0 }" S+ @. [4 O
poll-class% f, T9 N4 W$ P
7 b* M) g5 ~: b4 r- o U5 W0 h$ wsetup-plots9 ?9 t0 y: ?, E. v& |; T( C: }5 _1 s
! S4 K, e$ W) ]
do-plots
" a, T, B4 d; \9 N+ ]end
5 u8 I9 G! P2 ]' F- g* Z3 b5 h& h) h
( g6 }9 t1 C5 [9 [* G e" b+ K1 cto initialize-settings8 P7 `1 P( E2 K
6 J; y" V$ T1 _2 P4 ^1 v
set global-reputation-list []
# i' W: a" Y$ [; q2 z5 @9 z+ _ c0 T( A% r/ r6 |
set credibility-list n-values people [0.5]
3 Q5 O0 _+ F$ I/ f/ J! O2 f+ M5 @) f% F# X2 }, i- Z
set honest-service 0+ }5 q1 t7 V% \ v
7 ^. v3 p. m) o6 c) kset unhonest-service 0
' P. f5 G+ D/ ?! ]& `" w/ T" t$ V) v
set oscillation 0
& D) y. w7 v* R1 Q/ M g: N% P) }8 `, ^7 Y4 \; \2 ]5 l/ ]
set rand-dynamic 0
! s; Y4 T7 b# ~& D2 _4 B, rend
8 Y9 W# x" B7 J0 a4 Q* p% B" I7 C
4 A1 H, U; M8 \4 L. a; c* cto setup-turtles 6 L) Z% b5 Y# N5 }' ^8 L9 c
set shape "person"
" ?. E+ n/ g8 P. \" J( ?setxy random-xcor random-ycor
3 R+ _* q3 W) F6 L- ~' E2 gset trade-record-one []/ O) K* o( h" W) Y; t% D
$ l" h6 |3 R7 Yset trade-record-all n-values people [(list (? + 1) 0 0)]
. q6 Y% g3 @% h( O# X* T
; {0 C, p; i$ ~% b g+ [+ I zset trade-record-current []8 g: j, P( w9 }+ o& z4 W- f
set credibility-receive []5 v c( i- y" @6 m4 @4 j, s4 _
set local-reputation 0.5
* W' V" K8 d* ]3 Q, P9 ]" i6 [/ Fset neighbor-total 0
. g. U; u% p/ dset trade-times-total 0
1 R3 \( t- S: d( Q# cset trade-money-total 0
; O+ ^0 g( K% ]- o8 }+ A7 ]set customer nobody
1 `# C! v$ I! ?/ Dset credibility-all n-values people [creat-credibility]8 U; d' _! l8 r* v+ E; b7 R
set credibility n-values people [-1]' X1 y) g$ \/ ]! X- ~
get-color/ L2 _; M. U3 s. x. M
$ c0 {$ N* d* O+ _" S" i
end/ b1 V5 ?9 c# ]
% D: Q+ ?9 q$ d# _! g
to-report creat-credibility8 z7 R1 T# |8 L+ V6 m4 V* m
report n-values people [0.5]
- {: |* l P$ f A( kend
% l4 N4 |) Y4 c0 }
@7 @5 y7 w: H2 x3 V* i6 e! Yto setup-plots% p: x. B7 k3 n. h
- {* l. p$ N4 \ K5 x; Z
set xmax 305 ] J+ i9 W. J. ]2 P3 X0 m
/ |- ]& s0 a. P, o. v8 X# P6 |, G3 }
set ymax 1.0* n+ _& c5 ]! z- @8 w
, m8 s, N z- H( m2 H5 T
clear-all-plots
5 K9 b. M& D. Y+ V& y' U
' {) a6 K% r$ i6 q' `setup-plot1& @4 b8 |1 `! ~
4 s2 ?+ u' E8 E- i3 L* h& E
setup-plot2
! q. Q+ a1 l( @6 U) k5 y8 N5 d- T* h. n: S+ _( }$ z+ b
setup-plot3
9 U( X: x `" fend7 N2 Y2 x+ Q* ?. u' f, E6 o
2 H; ]' X% C% H2 B9 R$ c1 i9 A3 g. k0 T
;;run time procedures0 q- b. i m C. m
; D! U& z! r0 @4 ?: Vto go$ y, d/ x, m* D4 Z9 g
' Z. d# E8 X' Dask turtles [do-business]& J7 O) U5 H7 x" P, Q7 F
end. ?- W2 p- r4 |" U! v) C
* [' |# `# H1 b. a8 S% R+ Hto do-business
8 `: H4 h8 a+ @* x% g6 u8 `5 |
. ~2 M- B! s2 z; ?5 e: H( ^- l3 m$ x! I1 i+ ?4 q
rt random 360" t: ?% f+ j( v& g
! W8 J2 G& g. D- i
fd 11 @8 s3 u$ H* H3 F9 Y
- C% G$ ` g* H/ x, u8 m+ _9 Y5 K5 Iifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here6 {( i5 _) a9 C+ u U1 h2 t4 o9 p1 U
' Z: d! N# Q! b; d! [; q;; set [customer] of customer myself
5 a& x5 {0 q' k+ H( H- o! @
) ?! g/ u$ R, `4 f0 `0 @set [trade-record-one] of self item (([who] of customer) - 1)& @7 H3 @% y3 v, @1 u5 c' S2 w
[trade-record-all]of self( y+ X# Y D" t7 @( {0 {/ s
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self* o" U3 s: i. K, B1 u6 U0 a
/ n" x& L B3 i0 Fset [trade-record-one] of customer item (([who] of self) - 1)
8 B; z0 s, u( D5 E# u. N6 [[trade-record-all]of customer
! j/ p$ O' E8 g) \/ B. W% N* t
) }9 ~( P; `) p! z1 lset [trade-record-one-len] of self length [trade-record-one] of self# w$ W0 a* X6 `; t8 Y% Z5 r
3 k1 I' P" l! C" m
set trade-record-current( list (timer) (random money-upper-limit))
- ]$ Y, m, Z3 N: p4 r8 i
; P- Y/ B3 M* Fask self [do-trust], Q, M0 u+ N* E& ` p4 r; q: C% X
;;先求i对j的信任度! x1 e* N# \0 u+ k) _
9 q2 ?0 R# j; C7 W) o; Oif ([trust-ok] of self)+ i4 a- M5 w. F2 w+ p
;;根据i对j的信任度来决定是否与j进行交易[0 y* o' W3 g9 P, ^* C+ t" A8 R
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself" U, g3 k1 A$ D4 \
7 B. `6 Q5 E4 [[
' S' I* |* f# |2 q1 z D' t6 A# ?: `4 G; a9 `+ I
do-trade- F# L1 W0 G7 g5 F
1 A$ t+ f* j( h+ O* S! _/ J6 x& T
update-credibility-ijl d- q. o/ K" T; e- |; M/ _& S
- V+ k( C0 a- {update-credibility-list7 \0 M# X2 ]3 q# A0 L9 a
; S2 m4 J7 B* R
" j8 z/ T' w6 uupdate-global-reputation-list
) I9 c% L M* [: S
4 P- e4 y( ^# D3 @poll-class- d6 r5 f7 L5 x. H. f9 G
; h/ c. G; s# r: Q+ {- eget-color$ Y% c; }9 V0 u: d0 c
- e: v) a' O8 T: ~3 Z5 z]]
' P% O. x8 h! n% p6 v" j d5 [: w0 s
;;如果所得的信任度满足条件,则进行交易
3 y- t" m( d( W9 m$ s* N% z; D: c, o8 u, [0 l6 I
[" V$ s% j. s# e! [* i7 w
7 s9 L: B5 C% c
rt random 360
/ p/ @' a! @8 k! {' z0 U3 }# v- U3 i% m1 U% \' e3 c$ m( B
fd 1) L0 \# }$ M( k
4 g4 K* s s2 m]5 [/ j& W/ c4 ?6 u
K; H- D3 c1 bend
3 ~) b) B( ^" z/ O# ]7 `- l8 N$ H) K( \4 h$ v8 ]5 m- F
to do-trust $ \" u% U! [% c* Q6 R8 W
set trust-ok False1 X! q, K' m1 @ I/ F
! g* l- I+ Q, V {6 r! g3 }/ z9 r- N4 D7 H, V- V: T) m
let max-trade-times 0, n8 W7 }1 S4 P. I& p1 {
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]- A/ ^% A+ [7 x( {
let max-trade-money 0
) H# K/ M9 B3 \$ @# Dforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]0 D2 a. f" [1 c0 P* ?, n$ {
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
) e0 X/ L, e# D; k7 {% w$ h' |: Z0 b1 F2 U8 [( x4 G
- V3 U8 L6 J* q) s1 f) y# b
get-global-proportion
* L) Y. X$ q& E6 }" a& ?$ B% wlet trust-value
" T7 m6 k \" X- ?3 Z- Alocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
: U6 h$ \7 T# |if(trust-value > trade-trust-value)- N* K& r4 V7 |. J8 Z0 h
[set trust-ok true]7 V1 c y/ U+ [, q# h. |
end
0 d2 C9 z" x7 [/ B i% u9 d+ }4 _' a% ^" ?
to get-global-proportion
. \6 S8 @( `, U( Q" _! U$ w: mifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
4 P9 s, Y' F- ?# j5 B[set global-proportion 0]
' [9 h3 F8 b9 o' O[let i 0
+ |" N$ k& j3 Y8 O) ilet sum-money 0, p k1 J% b) f2 ^( |
while[ i < people]
, [3 H" d8 X. g X. g# R! K[- J( H9 W8 l) M! J) _0 p/ O1 o
if( length (item i- O+ b2 C5 {; m) I+ P
[trade-record-all] of customer) > 3 )* a' y" H+ p. \0 |0 F7 d
[
( ]3 V1 Q+ Y% U% L, U* x Bset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
. Z8 k7 n9 w# n7 c! W]) K: {* v& \- O: l7 P {8 D7 W/ A
]
! Q; h2 m n; d8 p; a8 Rlet j 0) }) b N5 ]3 W7 q
let note 03 [5 h2 h# z- e) u- z3 ~" B X& Z; D
while[ j < people]
+ ?! M( B) D( {8 \[
+ i9 l& D: P9 j9 Q: H L; S0 Oif( length (item i
% f: e Q6 o3 a[trade-record-all] of customer) > 3 )
9 D$ Q+ l1 z2 n% r/ ]7 m1 R/ z[; l; E' K, C* V2 L( V' h+ _; u
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)/ Y' c* _( U8 l& h2 b X0 H/ E
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]) t7 y7 p S' a1 w+ M( }
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)], e" n9 O( e3 g$ [1 d# V |. `% v
]5 U% F. h* W. |; R4 \
]6 I$ x6 z6 R, g/ a3 F" A
set global-proportion note
0 h' G/ U, C. }% z( P+ J]
9 A/ f) c$ t" z c7 ^end
J0 a# a0 d" G, \" W2 r
# t1 i, a5 P5 u* @- Wto do-trade6 D. D9 j9 v6 s0 g5 h; L
;;这个过程实际上是给双方作出评价的过程' f; R7 b. U5 P9 T# o) T
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
3 e- E/ F* M; z& I0 w& Sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价# `. ?; l; f; U7 L
set trade-record-current lput(timer) trade-record-current
$ _. s8 Q0 v# O" _$ G& x2 i;;评价时间" Z' Q: T2 @" T' ]
ask myself [% j; T- s; D( w) _6 `
update-local-reputation
- b; ^2 |0 X, ]- g5 c( C) Fset trade-record-current lput([local-reputation] of myself) trade-record-current# y% m: [" p% L: M
]5 `8 J8 z+ A4 m! c/ z+ _; i
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
) E0 m' ]. |) q( E8 U;;将此次交易的记录加入到trade-record-one中" _+ f. h3 ]0 a+ u( U
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
! j0 J/ @+ Y N" i& m' flet note (item 2 trade-record-current )
3 u- @9 ^" [4 x3 m; lset trade-record-current2 o- i1 c N( i1 M4 d$ k3 d7 R
(replace-item 2 trade-record-current (item 3 trade-record-current))
* R% m. m7 k: }set trade-record-current
& \7 e) A! r8 t6 W(replace-item 3 trade-record-current note)& I; c( g* r, a( o
* ?; l! g. P3 s- ?' y
; I( h/ {0 ?! N4 z* Kask customer [
( i, y3 `; F; s, Y T4 z. c1 qupdate-local-reputation5 i4 S# |+ b1 }. z9 f% _! c
set trade-record-current/ L4 a( v8 _8 v, a0 L3 J4 N
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
4 ?4 `; ]) R" c* l]& L9 Q c. N8 c% g+ c, a$ s
/ \- N' q. p2 ]: O- |4 k
7 R( n/ r" J2 ]0 Z+ mset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
6 W2 M" ^& d( H! f8 s( T$ b1 ]6 }- D7 ]6 p9 B* l; a
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
# D2 R0 s6 s: V5 s;;将此次交易的记录加入到customer的trade-record-all中
# G3 ~0 z+ m+ \1 P( Jend0 V- \5 ? A1 }+ w) M+ I
4 @; j3 P& L- t9 b
to update-local-reputation
' j9 G+ y- E, `+ K! y/ _set [trade-record-one-len] of myself length [trade-record-one] of myself5 d- {/ r! M* X% a+ v" D
- N4 V0 b3 t/ o
3 W! {2 o/ L7 [8 P# p. l;;if [trade-record-one-len] of myself > 3 + [' h( ?& y4 U% C R
update-neighbor-total
. e+ Q3 y9 k1 s/ ~6 S' J* Q6 m;;更新邻居节点的数目,在此进行6 P. @/ c" g. _0 T! T K
let i 3
, }* R; D- f& _* e% ?$ m2 s4 |# vlet sum-time 0
5 U3 c; m5 n7 _( F' f. V$ X" o Qwhile[i < [trade-record-one-len] of myself]
; ~7 A) R3 R$ F3 z7 {" C[
; ~7 b4 r. k Z7 N& M! B, yset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
+ Q1 u8 p' @& S2 iset i
r$ ?. Y8 J& p `- v) ^( i + 1)
' V7 C7 u) a$ g" u) c8 N* i3 d: n1 i]$ r* H# W/ _( K( r& E0 o1 r
let j 3
/ z9 }, T" w; M. q* K# s3 k! Jlet sum-money 0
, Z2 l7 H% G6 twhile[j < [trade-record-one-len] of myself]
; c6 c2 i: V' e7 E) V4 c2 e[, _4 {5 t- M! k7 _ S% u( X2 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)5 z7 K% J6 W+ K2 {) g1 N
set j
, n; Y+ L) f N# |# s* X% O( j + 1)7 U! d% n; H) z6 _, `
]1 }" `* [/ L9 R' [$ F
let k 31 k7 P+ l$ X7 e/ E/ s
let power 0$ {# V5 M1 e& x, U2 B
let local 0
" _# @; F) A$ n8 j% P# T0 D3 T; Xwhile [k <[trade-record-one-len] of myself]" `+ W% f1 I7 j, f# _, S
[+ r/ |9 Z2 C: p$ d: L+ P
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# y) _+ l/ l% @set k (k + 1). D! q# w x/ s& E4 `
]& V8 Y6 g/ X3 w; [
set [local-reputation] of myself (local)
3 a/ e8 ]/ T6 `4 K( Wend+ J" H a6 c3 y7 x6 K( {( N& n$ h
3 V& z+ k8 O& e! o- E1 G' `to update-neighbor-total: `( `" V* b3 ?6 }0 F; \- L7 W
$ @" P4 c0 Z: _7 |5 i; N f1 Hif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
/ q2 a1 ]% }& d
- p* E: X) i0 ]5 C" e+ W: J; W& p% l" |
end, W/ ]+ g9 q6 t0 N
0 ?9 q9 @0 K: [ |' V% Q: lto update-credibility-ijl 9 }) S, ^! o# q( p+ [$ F
! B) ]2 U0 X2 k: y2 {+ ?; 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。! H2 j$ J$ V# y% M5 k8 y! ]
let l 0' T' F1 M) X" X* o' \
while[ l < people ]" v) s; W7 D# \. v2 x
;;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( [# z8 q3 z9 \' Z
[+ u1 e C! i, j
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
2 t# ]$ O9 V8 p( @if (trade-record-one-j-l-len > 3)
~( Y+ Y' q' @( Q0 ~: |- O6 S0 D2 q[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) i0 v2 m1 c8 x0 j0 r+ R. S$ M
let i 39 Y1 u/ E. ~4 `/ @& x. s- H
let sum-time 0: D6 ^- k, Z, @9 j" g
while[i < trade-record-one-len]
/ V% Q& |# @4 H; C[9 b" G% v% P, y$ o
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
{% d) \5 {8 d, o- ^9 q4 Tset i
% ?5 D. B+ @; r0 j3 y/ n( i + 1)
' a% H9 p2 @) w( h]
6 d$ ]$ b3 \4 clet credibility-i-j-l 0: y) Y8 M& t- H
;;i评价(j对jl的评价)
# [( u9 d: }) S, p8 C- Q, dlet j 3
7 ]! h( H$ A- a- Z) ?/ Vlet k 4
# i) e# U o% A( | W( s0 S: Nwhile[j < trade-record-one-len]7 h) L& R4 x+ q; \4 ~9 g" s
[
3 X# t3 n1 u5 p( l" 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& \$ j. D: M0 v: a: u3 ?8 M, k
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 w5 E& ?/ c5 |2 hset j
, w) g6 c7 \" f. j3 w( j + 1)
! I1 ?& `/ Y/ I& z d8 G. b]5 l8 a7 ~0 q ]# B9 b' o
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 ))) m( k" I& m0 l$ `' f# f8 \
7 @* f4 i( n, B' g6 [
8 X; K8 | A& n1 |; e( ]; }let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))2 O* _' G' l0 W7 O
;;及时更新i对l的评价质量的评价
- n( }, v \. t" q) U/ yset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
7 n+ u* X6 c9 E* {! Y4 l4 k6 j2 Sset l (l + 1) M/ F X) y; i
], k U5 I9 f. ?, T$ M& x2 t
end! ~1 N8 G* @/ W* r
: W% f, [, c% C& y" Q
to update-credibility-list
& ~: {( l9 B' [9 h! zlet i 0
4 t+ o4 i8 e# O: Z9 d/ y& Mwhile[i < people]
, e3 w6 `! o' x) Y/ h0 v[
8 x, x/ I- s( ]& m# i$ klet j 0
8 m" r. m8 H6 N- Ulet note 04 q% H- ?8 R' g
let k 0+ b4 i7 W( k: ]4 U5 y8 D2 \
;;计作出过评价的邻居节点的数目
2 i$ @7 z" x1 q0 l7 c+ pwhile[j < people]2 b* Y; j* G6 D2 \. w" { g
[
( G* O5 q6 `+ K, @if (item j( [credibility] of turtle (i + 1)) != -1)
" ~: S! S1 {8 Y9 f6 _+ `' t;;判断是否给本turtle的评价质量做出过评价的节点
% {3 C2 u8 U h; q+ M4 ~[set note (note + item j ([credibility]of turtle (i + 1)))& x) e& n8 g% x2 r; d! o8 s1 Q$ p
;;*(exp (-(people - 2)))/(people - 2))]
6 I; i, K" T+ R ?% K) rset k (k + 1)' j* T# v- a( T4 W# s8 I
]( O$ {' f& L3 \9 u4 p
set j (j + 1)
$ {3 E$ r' x1 d0 @]
) S! |$ S6 i$ R Z. O: u& K4 Gset note (note *(exp (- (1 / k)))/ k)
7 S$ e% B' C2 Fset credibility-list (replace-item i credibility-list note)5 K& q, U' v) ^$ @- t
set i (i + 1)
) |0 r' M# v: A, v2 j]( Y2 Y* G D) J5 [* j8 Z, T
end! F/ O+ K. A Y7 O) [$ V7 v
" A. Y+ b0 X' ?! Dto update-global-reputation-list2 c0 b/ P' f9 g# Z9 a( ]& J' @
let j 0
# h5 A. R0 y7 C4 qwhile[j < people]4 E% }- F' M+ q2 m5 [- Y; U
[
/ S. r+ _3 V6 ]( P, R7 vlet new 0
3 w# z0 a* Q4 t2 s! I# j/ A;;暂存新的一个全局声誉1 b& q# F z, _0 n) }
let i 0( V5 n3 u- b8 C0 O
let sum-money 0
2 j" o0 N Z2 ?7 Rlet credibility-money 0$ ?& p+ Z, z8 a. }* B" `/ e% K8 }( [
while [i < people]
# @, P( ]. u5 J0 y, V[# }( f& P& `! R& J: F
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! T0 R- |* B0 _9 d
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)). z% W1 D1 j6 a
set i (i + 1)1 Q' I" ~8 Y% z) e
]3 V5 x$ W/ g" ?7 [% X% {5 E9 y* Q8 c
let k 0
; h8 P* S$ e% Qlet new1 0
# }2 k) B( n7 k1 F; Swhile [k < people]
; m* B2 y3 h S2 i5 s[
2 N1 b8 v! B1 J) s* a3 L& D4 Bset 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)
; \5 G7 g( E R% K9 Z& ` T; c$ Hset k (k + 1)/ A* H* D' }8 G* H+ G2 L
]8 {) F+ v5 ~- t8 Q; X6 o4 \
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 2 M7 k) j$ a, A% U9 z! K
set global-reputation-list (replace-item j global-reputation-list new): {1 O$ x+ ]1 z, H# g! u
set j (j + 1)
/ J/ {+ j5 z/ Z]# ^+ `, ^. t0 s+ X4 n+ B! b6 {
end0 E; J2 |# I( `# Q1 `; k
4 v* _" p/ x) [* @1 M1 Q5 G J) ^5 d. O3 a* p: @; A5 D5 X
2 X* R k( `" S6 j6 S3 xto get-color
) B. `( R( o9 }
$ T* h0 z8 m& A& N3 v! m9 O5 aset color blue# K3 C+ Q8 U. q5 a |
end, F B/ d5 W4 v- {! k
: i( u3 C2 \; B/ H+ }% Uto poll-class
3 T, Y7 p8 o4 d" |4 m: yend
4 Q+ A2 w' D+ y' y" F% L% p( d6 E8 M3 f1 f
to setup-plot1% v# n, b; i5 ^* W; a4 b( E
8 ^7 a, @+ l8 F3 u J0 w' h; p9 f" [set-current-plot "Trends-of-Local-reputation"+ r5 i7 T- [: ?3 u
) ?& R+ k& i& S* N# {$ h; f
set-plot-x-range 0 xmax4 d' O& n4 g# u( i. k
" J3 j0 N+ S4 a- b3 Oset-plot-y-range 0.0 ymax" D1 }" R$ E3 \4 G ?
end& I8 c- A5 A& M' x1 s
' T! {7 m: n4 s; F, A- P) m, u3 |to setup-plot2
7 L$ j3 k- a; g6 p/ t% x! ^1 a/ ^
5 v/ d( k: Y9 L+ {set-current-plot "Trends-of-global-reputation"/ l$ @/ r2 [3 @) A5 {5 b
1 Y! `+ t0 ?, r* D/ C
set-plot-x-range 0 xmax( \8 ]& b- k2 ]' P6 V6 C+ z
. S L; e2 R( Y" x" \
set-plot-y-range 0.0 ymax' G1 v6 r8 y5 j0 _' D) |6 G
end
# x8 @# p; ]: C( J: m/ H; w- V
; q3 Q) X/ A, Qto setup-plot3/ o' j: E9 V* i- z" |' e. _
# @) y. L6 d& {5 s6 b
set-current-plot "Trends-of-credibility"( o3 P; b! m q2 Z) I$ d, ?
9 c3 V0 W7 Y4 F+ O& S& D
set-plot-x-range 0 xmax
: ^0 R6 U) O4 ]6 ?9 a! d& f1 K7 T
set-plot-y-range 0.0 ymax' \- b/ m6 x/ I9 Y! \8 \
end
0 }) x8 m y! C) ]( x- n& e7 e' G' y% \, r' m
to do-plots
0 c. H4 L( t; x0 ~0 Q- lset-current-plot "Trends-of-Local-reputation"; V% q8 A7 r8 {
set-current-plot-pen "Honest service"
2 c+ [ z3 K/ ^8 X2 {( A, i0 `% Rend6 c7 i1 p7 A/ r3 p. m
8 j1 w3 R% N: Y, y
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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