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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
2 \$ L$ V0 N/ w/ J; F3 Vglobals[; r' h& _7 R7 _0 X' f
xmax
" }# V- x6 C; I: qymax
0 t+ s5 j. }, s$ M; f# X4 _global-reputation-list
. m: k2 h% K8 k5 S- k
- C. j! N: V; N" D;;每一个turtle的全局声誉都存在此LIST中
/ b0 j; k6 @9 q* B( |: ]( r) q! ^credibility-list
" H; }# z$ g# e3 q5 ^1 R9 ^* i& g;;每一个turtle的评价可信度
( L- j: }& c$ j& \1 Dhonest-service
/ s" ^6 ?$ E/ p$ P. O* ~unhonest-service W q5 k0 N8 \: c9 t5 O, a* h; e
oscillation* n9 X4 Z$ l; D% R! N4 P( u
rand-dynamic
7 y% g% G4 I, V]
3 @8 z, j7 H m0 X5 n5 o1 Q6 j$ A) l0 |
turtles-own[
0 v0 U( `- p0 s) Vtrade-record-all
2 r, X2 P- c! n6 X;;a list of lists,由trade-record-one组成 V1 Q0 P- N( k2 m& B
trade-record-one
8 K( _; V- k9 [3 P. z5 c7 {+ J;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
% a( A; R2 I. d8 g4 q: s/ }4 x: ~) f2 S/ U3 G
;;[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]]
% k0 j2 z0 u; y; Y% N7 ntrade-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]
7 S1 P' a# P& A$ Kcredibility-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list7 K. w8 j# y: m* X& x3 T3 w
neighbor-total
, x6 Y! _* U( v4 g;;记录该turtle的邻居节点的数目2 w+ t; B% A7 O6 w5 q/ C5 F
trade-time0 b8 s* ^2 |) O Z
;;当前发生交易的turtle的交易时间* ]1 c2 C& P R3 N' f9 p7 c/ a4 k' f
appraise-give
1 Z# \! Z5 T' y; ?# i G r! f;;当前发生交易时给出的评价! V* m" x" d4 i# {$ G2 y
appraise-receive
2 J7 `/ ?5 n: S;;当前发生交易时收到的评价8 G! p+ h& P; b- L1 M- {! l. ~% X
appraise-time
6 ?6 h2 g+ f Z. X% J0 I" t;;当前发生交易时的评价时间
! ]/ G* {- K; Z" J/ B6 _. z( dlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
: n8 I+ V: y- O z9 mtrade-times-total
/ n, U3 L. } F1 [; k, Q;;与当前turtle的交易总次数1 b) ^2 n- K6 X! ~
trade-money-total
q+ s) {4 `0 V" ?* S) K# };;与当前turtle的交易总金额
" Q; y" V2 @4 @2 i- R+ mlocal-reputation+ x" q3 i* C% h9 G6 @, E/ N1 V
global-reputation! ^* N8 z( a# |$ B& R3 m- ~
credibility f4 i4 y: n+ f6 E. o
;;评价可信度,每次交易后都需要更新0 q+ e2 h2 k/ `9 N+ w& F
credibility-all
8 n' ` {$ n: [/ l; x, @ O;;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 J' _6 R! r4 l
6 U+ L4 J6 c3 s7 [
;;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
) t0 V" | T( e# Ecredibility-one0 {+ r4 e, O4 T+ u8 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! \1 h% `4 L8 }7 M/ |( S. I) c
global-proportion) M1 h* n- f0 A* m) v; f
customer/ \0 s/ M* w7 D/ g$ `
customer-no& |3 |" j1 M4 f
trust-ok
7 n8 V5 |0 F+ K" A$ K1 etrade-record-one-len;;trade-record-one的长度; m6 _1 {6 x0 e2 I& k: _( Y" o
]
( P8 o+ P) I, k
, t: f& S8 Q% B' x6 C3 ?;;setup procedure5 T% H6 U$ T8 L( `+ N0 D- ^
) b% d( Y2 r0 j2 t1 `7 j& o7 i' {to setup7 d4 l0 L& P% m7 v' n1 R
1 j- g+ U3 t" h( p ?ca
+ e0 Y2 l7 ?6 D4 m ?; M
' k% I2 T# J! s9 Yinitialize-settings
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crt people [setup-turtles]8 u( o7 J$ W9 o, d- X! S) [. u
6 e( w+ d$ r7 U" \+ o8 \# J
reset-timer* i8 X* H# S1 F; j/ b
4 @0 c9 A# J2 n& J ^: y
poll-class
* @ I P6 C; m& e9 s
- d7 _( ^8 M, V" E4 P7 Msetup-plots
' m+ z% G0 a8 J1 D6 R
0 p( o7 T0 D, Z% k* }do-plots5 }: `7 ~3 \0 Y
end
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to initialize-settings7 y. e. S$ x; E; `$ g
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set global-reputation-list []7 b# S7 x- o2 Q: r
& Y6 w( n" }/ M ?8 B3 \9 S$ E1 iset credibility-list n-values people [0.5]
: \$ c7 M g* r5 R; G" F& ?! \! `+ f4 ~ \% `- `3 B
set honest-service 0/ {. f5 P$ s6 [; b
* Z, N0 d* I6 l( S b9 }; B1 N' Fset unhonest-service 0- v3 w1 {& _2 o$ ?
- k* O( o* B' z& Q' _* n& U8 l ]set oscillation 00 L W5 g* ~8 m! I
! z# X# K% Y# N2 d6 I* A
set rand-dynamic 0 ?+ L! i" M; c' Q% u$ B R3 y. g
end
' {3 t8 n5 y* L& N6 U* n% P& D# e
; P0 k0 Q4 w1 g$ t; d" {+ Q/ Vto setup-turtles # `# P' e" p. C
set shape "person"
& p: L8 J* @' m7 {, vsetxy random-xcor random-ycor5 P5 J" K# K& D* w& M( o
set trade-record-one []7 E) N% r( H, W9 @
2 L* E% n0 A; J# V3 aset trade-record-all n-values people [(list (? + 1) 0 0)]
- P" ?' o" K2 i, E9 Y; i6 B5 y0 D1 ^1 t, b' I
set trade-record-current []1 c# ]8 j/ t+ ]4 u
set credibility-receive []; E6 U; t+ `: Y- k
set local-reputation 0.5
! N, m$ j0 n% O' |3 I# _set neighbor-total 0
' n- r* P' z& J5 ?set trade-times-total 0- J0 `' S8 H: I* e% o( p I+ _5 J3 c4 t
set trade-money-total 0
0 E: j7 ^. S$ K5 J' T# oset customer nobody6 v5 r" ^& n1 ^5 x8 w" u
set credibility-all n-values people [creat-credibility]7 w( A3 {1 E3 p# q1 S% d4 |
set credibility n-values people [-1]; V9 n ]- X- d: ~$ a* ^
get-color% Q3 C+ d3 ~2 c. c9 o. b" v* |
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end5 u6 i4 s3 @9 o" o( T' U+ k
5 v8 s0 n6 C3 `! K; \to-report creat-credibility
$ u8 E% [+ Q2 b% C1 Wreport n-values people [0.5]5 e) _# r' i9 W! k
end4 o" Y8 W. E' `9 \6 o: u/ x
$ F* T' P1 f3 Tto setup-plots( m, B+ M7 S3 ?: \! a5 l
( L+ j; p. B L$ V% [; {( ] V. P
set xmax 30) p$ F* q3 Y' Z) x
7 U# e% N+ R0 P( i- Bset ymax 1.0; }+ b2 {1 ~1 c" X2 `& U
1 i8 R$ z: q8 w5 X3 f8 F8 m+ |clear-all-plots
* W1 U- j+ a* [7 L' C( C. |( T8 W) I: s% Y/ M5 ]7 U( k+ `3 u
setup-plot17 N! P& z+ V- A3 X2 R
/ T9 S2 p. W! ]0 J! C, C
setup-plot23 z" Z1 I- `, S! o
( D& O- m( J+ {4 V2 Ksetup-plot3! W8 y: C" B1 f, Q+ ]
end
+ a1 A K3 ^3 |/ F6 U
* S: x+ x& n2 Q# N8 f;;run time procedures
+ ^* y4 D+ S1 A) K
* R- a: `0 T% T, \to go
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ask turtles [do-business]3 w; W! i; `5 o
end" I* p# m; t, O
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to do-business
2 P3 I' o& {! ?0 i1 z
$ K, _' b. l8 }5 z. x! G8 b1 C4 E s
rt random 360/ n r9 @9 q0 M) j" T: W7 e: S# o
2 w4 h# W/ [ j1 d! E8 T
fd 1
( c6 w' q! B3 l0 o% P
& ]" `+ D% x0 R; Sifelse(other turtles-here != nobody)[; _9 i; n8 O3 y( k [8 m
) T( m( |# P) J1 Bset customer one-of other turtles-here: M/ U* q/ O# f/ f. Q' @) [
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;; set [customer] of customer myself: h% ^% _! o/ I- n) [
. {* `, f& S9 `0 e6 p4 tset [trade-record-one] of self item (([who] of customer) - 1)' F4 y& L% m* \7 K; o7 }8 H, g& _7 P& @
[trade-record-all]of self
\5 T; q% K! m3 y' N, f;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
% |5 Z6 P- g: W% x) u4 \( `5 n
+ S6 z6 N* z9 Z$ C1 E& Gset [trade-record-one] of customer item (([who] of self) - 1)0 A* f8 o o Q0 j
[trade-record-all]of customer
; M1 A7 {! K# i
2 `& w" m; ]& Cset [trade-record-one-len] of self length [trade-record-one] of self" |' G6 M4 T0 Y
1 x# L( y- H8 s* C/ Nset trade-record-current( list (timer) (random money-upper-limit))1 A0 ]$ P \* G( ?' v4 P& z4 ]
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ask self [do-trust]0 _7 K9 x8 o4 ^- z
;;先求i对j的信任度- q- v# A& A. |
0 ]: ], g0 X( |4 q8 R5 sif ([trust-ok] of self)* u I9 c' ] R" q* d: C! l
;;根据i对j的信任度来决定是否与j进行交易[
) ^7 h" L n% G' e" ?. yask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself8 ~$ [4 \, ~" |, X0 Z- T+ S: A
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+ L8 k' Q6 \) g2 u& n3 I
do-trade o! X6 g) s5 `
9 o0 y& J# M8 `- b' ?
update-credibility-ijl
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update-credibility-list
, R3 r: l5 \8 _2 L5 @
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update-global-reputation-list
j( D7 X0 ~& ^& i0 a% f. A6 X$ r& x- E& Y6 e% C
poll-class5 T: e7 k. I/ K. O1 Z6 a
4 @5 W' ~% {! {( J3 v) r; Vget-color% [$ }' b$ w# ?* S6 `4 B* W$ U. [
8 y' m/ |' a8 G' l
]]$ {7 g8 w: |2 s& H: A' x
, X/ c+ w! A6 C( q8 k;;如果所得的信任度满足条件,则进行交易% d* Z4 D, ~1 ^; w$ k
3 a" S0 M8 J T[
- C0 E5 g8 w! H9 u( m9 s( n6 h' b# O! ?) z, C. ? Z; f y% O
rt random 360
|- c4 \9 R6 S9 K# ?
0 H3 h5 u0 n8 Y, s( X- F# zfd 1; ?9 _: }' M# X/ k2 n, x
/ m! _2 @* I7 l, A1 t8 |0 |]) t7 h6 p$ y ?- K, _7 Q7 z& r
- F7 b& ?. ~+ l/ |# Z: L
end; [2 P* S: p: u+ r& G9 p, X
2 @5 `4 c& H w( D" s" V. nto do-trust
. S& a- X7 _# x! l! v. fset trust-ok False
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- W& a) p1 _9 @& n4 j
let max-trade-times 0
1 G1 [+ y- h5 T- D# L7 E$ p+ A/ Mforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
: P. Q& b% E, }' a: ?1 ? V {6 klet max-trade-money 0
l( ~% I6 E7 Gforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]2 E, B; K4 ~$ t; p
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
" Y2 @/ }) M0 _/ z7 Y% N# I: T- i( Y& D% \
1 Q9 D9 j" d2 X( s* p) ]get-global-proportion
9 Y. s# H& k) ~! i4 {let trust-value
7 }* ~+ Z, g" }0 V) ?" \( @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). w. P$ `& o9 o( c! _6 }
if(trust-value > trade-trust-value)6 b. o) X- t# @/ N
[set trust-ok true]/ c# }& Z! O; X9 r3 e$ J G' k* Q. A
end
J' ~# [ J! v6 b- S' l/ J, u2 @' `+ R3 }: a' e3 s
to get-global-proportion& F7 W9 q: S& w
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. a m* m8 q6 ]' K* j9 i( `/ S7 H[set global-proportion 0]
* Z$ w" X6 @# t4 |/ }$ J[let i 0/ A# V1 J, v" b( \; r
let sum-money 0
?7 A* X( C4 u* u3 zwhile[ i < people]% o. k: l: ?9 }9 G M& m {
[6 W/ O" [ A( e: B
if( length (item i' p$ p4 P! q+ C4 d- B
[trade-record-all] of customer) > 3 )& \# m7 K; R# Z& |6 X" H
[# W" @, ^& ^5 q! o0 U
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
. c3 v6 J. _( B/ a: G$ _4 D]
; c$ V& ~9 j# I0 u |/ x]
4 Q' B6 w3 |3 g x# Elet j 05 S9 e* l6 U4 x+ {; ^
let note 0
- \5 |5 H" C: t6 z1 ^while[ j < people]
! ]! a$ v( P: r[
9 `: B9 z) }3 i$ ~6 hif( length (item i6 M/ Y3 r0 U0 [
[trade-record-all] of customer) > 3 )' [' R) ?, j% p* x$ \
[
. [+ K5 _: w8 v" @+ W& z' c" fifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
" T. t+ l; T7 h) _$ A$ ~! E[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
/ |0 D- s; c c& z" j& x/ }[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
$ j0 a2 d% E& M3 J* Y]
8 l. v( K' n+ ?]0 ?0 a. I; l# |9 ^ J9 I
set global-proportion note
# p, s. \+ S" Y# t( Y' F]
: U4 l) L" o( u: M/ O# m* Wend
9 {6 D6 x9 L; ?1 h6 y
. }7 @1 u3 }+ d* U5 |& lto do-trade
, j' l# p, D) p1 O4 H;;这个过程实际上是给双方作出评价的过程9 u% x+ d$ m Y. b1 c
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价* T+ ^" A5 s/ ~, I p" g8 X
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
- v5 u4 A, s" S) r1 Lset trade-record-current lput(timer) trade-record-current
4 a1 E# g. h+ n7 n;;评价时间, y, a0 J! [- \: `. E
ask myself [
' d0 r0 q1 Y6 z ^# Q- N" Hupdate-local-reputation. }5 G4 e( Z" l0 j
set trade-record-current lput([local-reputation] of myself) trade-record-current
3 B7 E% B6 k% O- ^6 ]6 }" d6 s]) X. `" S5 U7 H' p0 K, K! S
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
5 S1 D* D8 h" R;;将此次交易的记录加入到trade-record-one中' G+ ^; M/ A% ~" F. i) T: D$ q
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
: s q) c. W* `+ |. ?let note (item 2 trade-record-current )
# ?, r7 e) s" Z* Iset trade-record-current
- E0 h3 `% g8 H, k l' n4 a* E(replace-item 2 trade-record-current (item 3 trade-record-current))
; g6 D3 r( [- u/ s3 }set trade-record-current
3 v* t* h, ^- l. B. N: p(replace-item 3 trade-record-current note)' q* M; t0 G0 n; \; D8 M
) t: ~+ _6 ^) r& R* B/ z
: D7 P' `% _: b9 x, F
ask customer [
8 O' E/ V+ j, hupdate-local-reputation
9 ^9 j y: ?! y8 _. l' P7 oset trade-record-current
! S, B( }' v& K(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) + ^ G- n8 L1 i1 X5 ~; P2 ?5 b
]* e! ?9 m: t( l) g
$ Q, q: Q' X' o$ j' W+ {# o% @% f& p
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer, j7 F) X: B+ ]4 n2 H% @! D5 p: r
: |0 h8 ]" d y
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)) h# j8 @% H. }5 v$ t( ^
;;将此次交易的记录加入到customer的trade-record-all中
* e2 M# g# A. W6 I% rend7 q2 K; o {7 _. e* {* z4 E# E
$ J, z0 u, n7 |3 y, u2 W$ a9 ^: u! u
to update-local-reputation
2 @4 r" u/ m& Z7 rset [trade-record-one-len] of myself length [trade-record-one] of myself3 c& {+ N7 Z: d, t8 @- R7 r/ X+ q
! h$ z6 l) a6 l- O/ P1 ]- U% I( u: o( v
~4 u& Z/ N' z. J' t
;;if [trade-record-one-len] of myself > 3
% B: l3 x G" J- P q; n/ }! xupdate-neighbor-total5 G0 I! p7 S c/ g, H
;;更新邻居节点的数目,在此进行
' I$ `" F$ ]+ Y* w4 I) V- xlet i 3
+ R4 v& A* W- k6 J+ u6 f. O/ plet sum-time 09 R: d) J/ J6 ~7 t8 B8 M6 X
while[i < [trade-record-one-len] of myself]
. z8 S: {4 x8 N5 [# ^[
; |! F6 `, K2 I% }7 M( Rset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) T: O) f8 @. {2 L* B1 H1 I
set i
3 h7 {) A" `* b: J6 t/ Z3 X( i + 1)
, S# H; {: n6 e( {; ^/ o. U3 I]
+ r% J0 U1 j' c3 Jlet j 3
6 U4 F1 ~, C" [( ^, j c& _* clet sum-money 06 G7 |0 J% l9 \7 _$ a, T6 ~: ~3 D
while[j < [trade-record-one-len] of myself] b) _! j9 v1 U- u1 ]
[7 v2 Y$ |# `6 V
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)
, Q- p1 @4 L% o. v* X; O" S6 zset j
6 y; q e* k$ x* f' [ c( j + 1)
. \& r; e" K* C( ^! I, O w]( L& D+ y9 c: m7 E# Y k
let k 37 E5 Y: c. ]+ ~# n- w
let power 0/ d/ `8 |0 \+ Y" x5 E# p" r9 x
let local 0
1 n( k! s7 n2 E4 E* ^while [k <[trade-record-one-len] of myself]
# s* x! _( I5 N. Z[
1 S: g# u% v" S+ c5 |, f4 E6 eset 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) ) T7 a/ E! `5 p x9 |" W
set k (k + 1)
, T- k" L5 T) H+ d$ A' F6 l; h]
/ _( J- i8 w3 M& Uset [local-reputation] of myself (local) _& w* a% [$ R7 ^8 t8 y
end+ V1 g# I* P# e" G& j+ W" ]1 h4 R' a/ c
q$ y$ L( ~1 L9 f$ ?* s
to update-neighbor-total
$ n, H/ s; v/ t8 |# A) f ?0 |$ H d' F" Q! T, }
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]0 K( }# z) G8 F2 c
+ H/ P5 w2 I# d' u
5 z! w9 h) x' w5 Xend
# X1 k- Y; D! O
# p( b: P# i0 G9 i. Rto update-credibility-ijl 2 x- w- E" h5 e
% ?# I8 x- U: | E; a& t3 t;;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。
* H- m- q! h2 P) M5 g1 k- P2 Hlet l 0
# r( U' S( ]4 O4 Qwhile[ l < people ]" j3 G3 x3 U5 |8 _
;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
: x0 f0 i. Z9 r$ t/ K; J2 Bif (trade-record-one-j-l-len > 3)
1 `- [/ _- U# |( S[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. ]+ I$ n1 X! [/ \
let i 3
# t7 O4 M( T, [ D7 l# llet sum-time 0
0 H2 h" F7 B/ U8 ]/ p+ Q6 S2 d1 {while[i < trade-record-one-len]1 d u& t& B" U9 [ |1 I& `
[/ A3 A+ R i ~7 Q
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
, J2 h8 q! w* ~+ Rset i
& T& p7 O5 W/ ]4 z2 l! x% @( i + 1)5 C" r7 }: \. R3 o
]
- [9 C! t. f' P# u- O) [4 klet credibility-i-j-l 0
7 f' I8 Q) Z4 }7 ~% R;;i评价(j对jl的评价)* \7 z8 y( y7 A
let j 3
. b3 C6 J6 U8 X( x, h4 e Klet k 4) z @ q" z" g& I- ^
while[j < trade-record-one-len]
! K% S! S& n" H }[
$ P: F3 a9 ~9 L* hwhile [((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
1 a5 J& N" u- D1 B+ t) uset 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)) t8 ^, [! i& _ J5 G( Y! ~! O
set j
' S2 D6 q* X3 ]! n( }6 a v' E( j + 1)
/ I" E' j; A4 I4 z2 @]
. R9 G7 |, t1 Z1 iset [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 ))
, ]' i) \- J, P f
; J# _4 E4 W# F1 N/ q" f+ v( O
0 o3 @+ \. B6 f% Clet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))5 e- w. D0 V# G/ o4 ~# x3 q/ X
;;及时更新i对l的评价质量的评价
# T9 d0 t& J k) Z" zset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]" y4 ~ ]! [" k' B1 h+ z
set l (l + 1)
9 c3 v2 X' z0 [: }- U7 e]
8 e1 B. j! D1 R2 C$ D* }0 Yend
# Z% U, A9 N. Y1 J
" |9 N: \6 X& E8 O' r. p2 C% qto update-credibility-list
( K- b$ B @% ^; O7 f7 F* o* q+ Wlet i 0
& X) X( m9 G. Q/ r& \; Gwhile[i < people], O+ X# n% w3 [( ]7 C5 i
[
7 w3 w. C! I. w4 h3 V" k( rlet j 0
. S4 }7 Q: H4 q! \ ~# G) y0 [3 k* \let note 0
- t' h1 Y9 p1 \, r$ jlet k 0
" u3 w* C7 |$ X3 E;;计作出过评价的邻居节点的数目5 ?0 h, p8 O4 f9 K
while[j < people]8 X6 M9 `& _; N" q' J# ^/ y6 Y3 R
[7 p# p4 `: K$ M) {& [9 i& F2 l
if (item j( [credibility] of turtle (i + 1)) != -1). `) v2 S* T% v: H4 X0 s/ Q$ V
;;判断是否给本turtle的评价质量做出过评价的节点) Y1 O- R- i5 ^, [
[set note (note + item j ([credibility]of turtle (i + 1)))
3 b t* f0 ?. i; @# J0 G; g$ M; u;;*(exp (-(people - 2)))/(people - 2))]
* U3 k3 H3 }& o5 Q+ E; K, zset k (k + 1)
. g3 Z" I! q3 N7 e" A]
N$ t% X/ E J9 Q/ J" qset j (j + 1)
% `4 F5 b# p; B+ Q]
( }0 c: S* e# i" K' Y ]2 T oset note (note *(exp (- (1 / k)))/ k)
0 ?" ^* w& _ u; N- N+ tset credibility-list (replace-item i credibility-list note)
. X9 W0 H6 g! \set i (i + 1)
; l- ^* C3 W" E Z( I% q% r]
" X" M# r/ Q* w: Nend
" ]$ U" Z: F$ Q7 ~) ?. ]$ W6 G: @0 e) S
to update-global-reputation-list
6 m' i m* L% Y" n0 Q; |let j 0( a! z$ A- P4 U8 J9 O; e
while[j < people]
. T% X4 ?' d* o1 d6 v[5 I4 l' q" ?4 m/ I$ ^' Z
let new 0
9 Z% Q: ], C* Z. g;;暂存新的一个全局声誉
# t- `7 F) P/ g* }8 K2 slet i 0
! I7 E9 ]7 [/ F* A; F" h# R4 M5 nlet sum-money 0* W) X! _6 H8 L0 @4 L5 A% c" m: f
let credibility-money 0
" U' H# @: `; ?' i9 L) C* Lwhile [i < people]
]; I: u0 f A6 y2 Z[3 Y( q+ G& H5 m3 {5 [ T$ P
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))- g# O! R, i# b9 }& h0 T& j# \
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
7 \; P# m; w4 ?) Q# V/ iset i (i + 1)
9 T4 S! Q; v8 O3 X/ _- F/ y]
9 G7 X5 w3 a, ?3 k# clet k 0
* ?9 X# k7 Y( A* Zlet new1 0$ v. b2 @7 H* `% M5 U! S: H7 k% ^
while [k < people]
8 i$ ]; c* o0 F- L6 V) z[3 k/ }: n- A6 ~4 |1 z6 [/ l
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)" E0 R+ ~ Q4 Y. w- L* Y2 [
set k (k + 1)
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set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) % o: Y( e( F. u
set global-reputation-list (replace-item j global-reputation-list new) s' }- d* C" L
set j (j + 1)- o& |3 V! X* J9 q$ {: Q
]
( @8 Q& {3 `0 `6 l! l, Fend& W! G2 X. L1 C+ d
2 {2 k Z& A# n2 t& v3 ^! d
( u3 K' `: B# I+ v/ n
- j% Z* q% v# F0 l% m3 | [to get-color
! h) y3 H- a/ O5 ?9 n1 q! N
8 P& O0 }, l! C9 Z' ^8 U: I; x1 dset color blue
, Q+ j s+ q% Uend8 ?# C% \6 V/ z
7 R, K6 h P# {8 C) T
to poll-class
* N- I, _8 ~$ qend
, E8 D( k' ~1 U$ r$ x* Y8 i( N' p& M- D9 b8 a2 A8 E/ l
to setup-plot1! l' X. G# k, k, |, E% R
+ g3 K4 U- P& B" U m* D0 D1 }set-current-plot "Trends-of-Local-reputation"4 ^3 Z- ]* v. Z( G
/ l* C- a5 `+ p' ]4 E
set-plot-x-range 0 xmax
3 H! ~" `6 ]5 I, S8 f' P4 a# p
4 P* E. M$ K4 k- `+ pset-plot-y-range 0.0 ymax, l* s! @/ s- Z& `9 v) P
end
$ I1 j+ Q+ r2 b( r$ e
: r" P3 t3 L/ F$ A9 hto setup-plot2$ N& x3 g) X4 L& U5 ~; f
4 [% N7 B" m9 \/ p0 K* i+ c: U
set-current-plot "Trends-of-global-reputation"7 n( C6 T/ l# j3 D/ x$ v n
1 ~* r" E% v( p/ Z& u2 W% E
set-plot-x-range 0 xmax: Y0 [% n U/ }' y4 S9 d
) R4 E; y( f( }8 A- y2 x
set-plot-y-range 0.0 ymax
0 j( j4 E1 Y/ v2 Wend; q8 F; _, n5 v* ?$ k
: O- g2 O9 @3 W |8 U3 Q$ g
to setup-plot3 I; ^0 F0 v8 B! j
A, a' k& ^. ^
set-current-plot "Trends-of-credibility"
# O4 V, T, q" }
* p# A, S; B" _2 m0 e* N5 gset-plot-x-range 0 xmax
# G2 B9 v8 t' b% v" m6 x7 Z o" x$ P! l Z2 n ?4 l
set-plot-y-range 0.0 ymax+ i; S9 u* a7 O9 |9 v8 |
end
2 w) _) T! j& x j3 |$ c; f0 ]6 e6 X
to do-plots1 {6 T, R1 A" t6 Y, W/ C% i
set-current-plot "Trends-of-Local-reputation"
2 Q6 ^. G6 W0 t" \2 {0 ^9 q4 ?set-current-plot-pen "Honest service"
( w5 |$ K7 l1 t1 K4 @end: _4 D$ ?1 p0 Y
3 ^. t4 K" L+ ]1 h9 r5 V/ \3 y, ?4 c[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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