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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
1 `* {' F n% S" u3 {- ~globals[. R! |9 ?5 q. e/ i* t
xmax% d) t* \2 Z: B4 c) S2 J4 _
ymax9 m! F8 x% z# Q/ ^* Y# p2 o0 r, c
global-reputation-list
5 B I' [, k# ~& [, k9 E/ J2 h' D2 L
;;每一个turtle的全局声誉都存在此LIST中, [1 _4 t( V9 K. o- I- |
credibility-list( B& P# Q7 ?5 |& U; P& Z9 H
;;每一个turtle的评价可信度
8 @# V# Z% Y- N* R2 Vhonest-service
# o1 k5 k, e$ D& I; P9 F8 \unhonest-service; B6 F+ F+ k$ C4 T& u& e2 ~$ n0 Z
oscillation+ f; P c" F6 \) `) A2 s
rand-dynamic0 e0 e, x$ V2 G
]6 ~ a! G9 b+ Q. n4 v4 ?
3 ^4 @- @. k ]3 s2 D, m% o
turtles-own[
: W) R; F8 Q* h/ J) c$ t! xtrade-record-all l/ D9 Z! J/ \! \" b
;;a list of lists,由trade-record-one组成
3 w) K3 Y9 V, i( r0 d: \" `trade-record-one
9 v! i' r: y9 L7 V" o;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录" M5 V3 i6 r7 a# b" I$ e6 d
+ t! J- Q) N! i3 @+ m5 j;;[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]]
4 [" e% h+ P% R. ^+ D$ S% ^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]
: U C9 |; h! ?; x/ W- x: y; q9 u5 ?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
: k! O7 J2 W4 P. @6 A& Ineighbor-total
6 g0 o; T3 m3 Q( t# v4 ^( C;;记录该turtle的邻居节点的数目7 [( W% M \; y, H; q1 C
trade-time
9 n" w. K0 z9 @% j$ O;;当前发生交易的turtle的交易时间/ V. Q/ g1 `. h2 j
appraise-give- k* `, }8 c/ f0 [+ c
;;当前发生交易时给出的评价6 ^* V4 a2 a; g
appraise-receive* y5 u( S- \" Z/ u/ F
;;当前发生交易时收到的评价' o# \) G' ^1 ~$ M6 V$ i1 e
appraise-time( _. ~* x: f! Q
;;当前发生交易时的评价时间# u3 D6 H4 }6 X
local-reputation-now;;此次交易后相对于对方turtle的局部声誉4 }! e" j2 K, j' Y5 Y# @
trade-times-total
, Q/ W/ }9 Z( C$ N7 P;;与当前turtle的交易总次数
# Y, Z Z% _9 n+ o3 G' Itrade-money-total$ H5 | D8 P7 Y& V2 O& y0 U
;;与当前turtle的交易总金额
$ G" E; |, b/ r" [2 q; `4 S) Ylocal-reputation
* L8 e/ v/ k4 C, cglobal-reputation
1 }) I# P4 g, n' V' ?credibility* {: g* t" W' u# ^( f2 @! L
;;评价可信度,每次交易后都需要更新1 Z2 v( N; J1 Q7 y* F
credibility-all
; m3 q" V1 I& ]* E3 {: };;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5 |: t! T' ]1 m% }/ ?" d
% _$ N) T$ T8 r% P/ k0 e) `8 ]
;;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% a$ L! v$ h/ b+ t c$ f
credibility-one! Z1 ?- x, X+ q' V7 x B
;;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 u. w1 _' Lglobal-proportion6 a2 ^0 w. Q7 N' b3 R
customer$ s$ i' w% r4 p% S& Q9 U
customer-no" r6 J- D# D- X0 j
trust-ok
2 u3 \- {9 W3 X: ^2 ~) \5 wtrade-record-one-len;;trade-record-one的长度
6 ]: s0 y& k1 O& E! h]
" H& j! c% W. V& u/ l$ ]9 l, C& U0 r3 U2 S Z# S
;;setup procedure
& b5 D. Q+ b7 L! ~( b( c" \1 \+ D) `; K& e
to setup, e( [6 Q! q- N6 |
1 @" i. g0 K5 c9 Q
ca
) {' _* Q9 e0 d) P# I5 {! h
: t) T8 d# x8 linitialize-settings
8 U" U# `4 ~# _( ^ n( C( U6 T+ r J
crt people [setup-turtles]5 t: [, s, ?% Q l) c9 }
: p3 s. E/ e$ s; f( s; t( ~reset-timer9 l+ k' C3 N0 j- v: S
8 e7 t: ?. s7 p8 Z2 Mpoll-class
9 S. j0 u! c. W1 H7 N8 f' S4 u6 a4 m8 e/ ]" V. W- r7 E
setup-plots8 @& `' G/ J, U
' J5 B7 `# `1 C5 T$ ]# m3 F
do-plots
M6 z. v5 s" c- L. Xend
) Q* D" T0 f3 O) g+ T; X& ~. B
! ?: C$ ]$ N9 {; {! a6 [+ ]to initialize-settings/ ]0 `0 D" ~# ]. I5 a
+ S' @ x& U& l: _6 tset global-reputation-list []7 }( G, J& t/ w+ X' L$ L# c
y/ P# ~4 W q9 y4 {0 T
set credibility-list n-values people [0.5]+ o `4 v' E/ z: |- |
* [7 F+ ?% Q7 T% h v" O
set honest-service 00 }: v6 b7 o' w- G4 ?
6 d" P0 b$ J# Z, D/ hset unhonest-service 0+ }1 V1 F' Z. t Z s
- D1 l9 W" P: {set oscillation 0
' V: U$ n2 w& O( p! }( S6 B+ B, [4 p5 M/ I& w2 f
set rand-dynamic 0
( g! ]+ w% y- }1 rend" _' V2 X s" m) X* d
' t# K- x, [) S0 v( ]to setup-turtles + ?1 O9 c, p8 K4 l$ O) T4 w
set shape "person". ]: r3 a. E+ b% o
setxy random-xcor random-ycor( v4 P. u3 R3 S5 u" g
set trade-record-one []
+ v9 C; }3 h" i- Y5 }$ k9 R0 S% x5 R; }: W0 Y' h2 D: a, M
set trade-record-all n-values people [(list (? + 1) 0 0)]
1 {- \. a9 V7 K+ o p
) |9 a7 L/ o; v7 o3 R' T/ Nset trade-record-current []
. b' F: W+ }7 Y vset credibility-receive []
K2 y$ K3 N# G5 @! qset local-reputation 0.5& e& {4 T( S9 O! H- s8 i: X. Q
set neighbor-total 0
, S. d' u1 i Q6 [" @! Mset trade-times-total 05 J6 W- Q& \0 ?# S
set trade-money-total 0
4 u0 T% J. B# @ Q" V% [1 H6 {set customer nobody) P$ I( O3 O$ `* s
set credibility-all n-values people [creat-credibility]
. v5 ` G6 t% gset credibility n-values people [-1]+ C/ \6 E) ? R6 x! C
get-color
4 U7 I$ C2 @% K% o7 k
7 V( `% t, [6 b4 Uend& G& |4 A! ~9 v( a
' U9 A7 [" ~: s/ W7 A; C% ]6 ~3 ~( uto-report creat-credibility
2 s8 u2 M, t: \& A breport n-values people [0.5]% N8 W9 C; ]! b: S
end
" @& I5 I2 _! e, \1 X
6 Y3 Y M3 D# {+ f. n' kto setup-plots
* r7 B- p3 }* k% f$ u# l2 p" o- F7 E& q1 w' F* c, d, e# S
set xmax 30
# y5 l. B/ u) v" S* y1 i& K# `* T& V" _% T- F/ w
set ymax 1.06 ?/ [( c/ v4 S' V7 J! b; ?
. u& S5 m3 I- D' ^: E
clear-all-plots5 ?2 g2 y8 W4 }5 u6 `; w
6 o' U/ _3 O1 Q) M& q
setup-plot1
$ }7 l! p8 [! [% ]% p2 R& D) h
1 y9 Z- @% ~$ k3 ~& }2 ~, V& Fsetup-plot2
1 b3 o- i" ]- |2 G- E9 V% P
. W6 y& C4 ~$ S- S; k% Bsetup-plot3
9 g/ [9 X9 U5 n, n4 e5 @3 x' nend
! z7 u6 V3 S1 D1 s/ C4 B6 ] [0 h* A
;;run time procedures
7 R4 j" P, d5 |1 K" ^# P4 f1 J( l
; a8 q5 B& [, P! d# T+ C& Y' Y* j, A0 }to go
3 j8 ?5 \( r6 k, U7 f
/ b1 R+ ]8 H& mask turtles [do-business]2 I/ G H# Z$ x- z0 w$ e
end( ?, k1 y: v, W" m
7 l" ?: q% D% k/ Y( P; j {, o
to do-business - H: E' ^- E1 ^% I) Y
3 U, a- ?, c/ o( D' _9 D
! m. |5 V$ d2 Z) x2 ~rt random 360
8 B9 t/ _9 P: b% ^: S- L1 i5 D. {& c/ u2 V- d* N
fd 1
" n4 x, y4 ]2 O
8 b/ \4 j& [5 mifelse(other turtles-here != nobody)[
4 g. M; X' ~2 W
6 u/ A+ d8 u" \' I! H2 tset customer one-of other turtles-here: W- u0 G' p( \
) f: E# a- F" A% U) r7 M. |
;; set [customer] of customer myself
, ~2 ^# i* y t4 j. L" |
, a$ @# u/ H" L& b( q' }set [trade-record-one] of self item (([who] of customer) - 1)4 H! T. ]6 }+ g+ h _ _
[trade-record-all]of self: c9 V' _, F: E3 D2 R1 U
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self, Z5 }3 [! Q* q
8 V3 ^% P: m+ b |2 |set [trade-record-one] of customer item (([who] of self) - 1)9 ~4 e A3 u6 c5 [
[trade-record-all]of customer
( n# {' [5 l! o: h! G, P- L+ n6 o, C8 U6 g2 q5 t' [; j5 r' T
set [trade-record-one-len] of self length [trade-record-one] of self; I. ^8 g- O6 ^ R9 S# R" Z
+ u& g) e4 b8 c9 j$ |9 I) h& |set trade-record-current( list (timer) (random money-upper-limit))
0 Q ^ v0 _- v' |3 K( R# c* b; H, P% H% C2 b/ L7 m* ?
ask self [do-trust]
+ b: [; z/ V, {4 ^4 F9 I;;先求i对j的信任度5 P9 r* A1 `2 O) q1 I
, ?# R* e J/ r: G3 @, |if ([trust-ok] of self)7 Z% u: I; Q! X* N) t c( n
;;根据i对j的信任度来决定是否与j进行交易[4 [* f; R5 R- u) k
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself u2 D( ^" ?9 v9 N6 x/ N
6 z2 g) P" Y T% V z# _[7 b: H4 \; L5 [
I4 l. s: o' F+ p& z
do-trade
" P! e+ v: j: }0 g6 ^. G2 D
2 y; r6 H/ k- |$ |; { C5 Qupdate-credibility-ijl7 R) _3 U( ^( D
& K1 K! H0 k$ x0 E5 N" F6 supdate-credibility-list
' p1 u( P7 l4 G5 q) V5 z( z, M7 M! v8 _5 V+ ^/ a
$ a* ^; L; U. o7 L
update-global-reputation-list- B9 u9 M- A4 e; C/ g8 p$ r& g! \
; [+ r' {% d( s' U5 N8 t, A! U; A0 Gpoll-class* b |8 u1 d1 j/ d. M' W! n' ]
% R9 [% T# L8 ^ A8 V
get-color
/ {" D6 _! v# a _
- a; \/ F. J# N/ h]]
0 G: d3 _; j* ~+ C3 c9 A9 \: @
* W- O4 ]$ B( {;;如果所得的信任度满足条件,则进行交易3 i6 C# R4 X% r& ]; ^1 k6 s8 R; v
' H: P# o( |: X+ w1 T) _7 j[
5 D/ d- E5 w M' q. K- F6 A6 h
8 C+ f6 z" `% o( jrt random 360
" x! [% g* T9 A- D& f' I( x5 f+ f$ H8 |+ t0 Z+ V3 ~4 M" d$ `
fd 1. \8 E0 o+ I) ~
" C8 V& A% d& T7 B, n$ _- i]5 t+ j V, x! L6 n& g
; Z1 _8 K7 F8 E3 v3 q, i, M( Uend
$ h0 T4 x$ @0 J$ ^' v3 h2 J0 b+ b3 W. _5 W0 P* C
to do-trust 2 [5 ?6 g0 ~% }: t
set trust-ok False! ?! b) n8 q" y# E q
C+ C* |6 \ @+ a6 o, U q* P& x5 [- `# z0 S2 e4 }
let max-trade-times 0
: p \3 R% k. Jforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
& h/ Z6 P" L9 s/ V: Plet max-trade-money 0; }1 s0 g# I. z+ w1 r# k
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]( |5 l) [! [- i* G
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 @/ W. S6 f' l8 J1 j4 n1 v4 t. ?. d* }
0 r+ E" \& W: k
' P3 q! x- l; f6 m: _get-global-proportion$ A: z3 R, l$ n/ E& b# Z# b
let trust-value
; j0 {4 k% V+ N0 Mlocal-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. u1 H. |" H, \, f: f Vif(trust-value > trade-trust-value)$ m! H" \6 I7 @) m, V
[set trust-ok true]
3 t: M: Y- w \# W' t6 yend
0 j3 ]$ R2 e; u2 a" f/ H& X9 W" Y8 M7 g; s% q7 ^5 E3 l
to get-global-proportion( ]2 S( u7 n- X' k
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
3 @7 l$ r7 W. n[set global-proportion 0]
2 D6 h" l, T' H) V7 Y! ~- H[let i 0
0 Z1 B' s3 G% w Xlet sum-money 0
: k4 s u, [6 r Pwhile[ i < people]
$ X2 y% R* T0 v6 P o* i3 u[
+ u: ?+ d, v- [. \# m& iif( length (item i) j% ^" H/ H5 m/ h. l& {4 r
[trade-record-all] of customer) > 3 )5 T! \) Y8 O2 f3 y( S
[
+ p. K, y) K- w1 f( p- }0 Rset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
% x) e+ x% O+ F2 U% K+ e]0 Q. N# F/ \. V/ E# q0 a
]% t( m+ s3 n3 F) s3 C- Q- i; Q- ^
let j 0
" o. F# B) l! llet note 06 y) B6 x. k# B! O: Y5 i+ P. J& B
while[ j < people]0 a! `. n) u* B9 s. O, |% q( |
[" z: U- s0 T; s m
if( length (item i: {( Z# i' E9 |' s0 h) M
[trade-record-all] of customer) > 3 ); B3 u5 A6 s. q
[
N& w- [4 u/ w4 J. l- m7 _ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1): h9 n; n: Q& J) J; A$ x% p
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], i9 q% @! j5 h( ]; M' {
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
3 h. l2 a+ H! l' v* ?]
+ V8 R1 ?( \. \0 B% [ }9 U/ e2 G]. H' W2 d% \; ^' @' K, K" K- n
set global-proportion note/ Q0 q# a0 e1 p. K. D% O
]0 ^/ g8 j W( ^8 @/ o( \0 z4 K0 {( L
end' M, I3 Z: D4 L2 h' j$ J% z
: P$ P2 E s+ Xto do-trade
1 D4 ?( b' c- n! R% c9 Z0 k0 k;;这个过程实际上是给双方作出评价的过程, E2 b9 T6 n) e! \: N/ b+ M4 K
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价' Y' G$ h$ P, y4 ~! A! p
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- g6 K2 C x: F* ^" j$ c3 M
set trade-record-current lput(timer) trade-record-current1 Q/ b5 m7 _% N# W# N8 H/ R
;;评价时间
: |- C9 t$ ?3 ]/ _0 gask myself [
& W# ^! k( r9 E5 P! Q" xupdate-local-reputation
; f( Q; L1 P q+ |set trade-record-current lput([local-reputation] of myself) trade-record-current" E4 l. \& y" r2 @
], v. J& p& x9 _8 |7 C/ J& |: G1 E6 ~
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 ^+ s4 t# d/ \$ T3 s;;将此次交易的记录加入到trade-record-one中4 w( c2 Z& c( t$ r3 C
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- ^' n! V0 Y" \; L
let note (item 2 trade-record-current )
0 Y1 Z% s$ g! K7 D. m+ r, d$ fset trade-record-current. S$ C( g( T, m( @, I% C
(replace-item 2 trade-record-current (item 3 trade-record-current))$ t) G& `+ w4 j3 A: @4 v
set trade-record-current
9 k+ M" `3 e, v3 e(replace-item 3 trade-record-current note)6 s3 ~. F( t }- V5 c3 u
/ L4 u' }/ |$ g x/ b% E9 I. \# n2 j2 H( C9 ~1 H- c
ask customer [0 e( D& v' w+ @5 s: z+ L$ L
update-local-reputation' J- [; q" Y/ O- B) C, z$ `# l) u6 J$ C
set trade-record-current
- _5 b, o% S) l/ L6 f(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
8 y4 u8 @: J4 U* I8 S" U]5 m. O; {- s- s$ F
9 f4 m$ X! X. l
8 R1 f; ~$ f$ V( R! u3 e- Lset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer3 O# H, v6 k' F, W/ j& l7 k& b0 C
1 S8 a: W2 C+ b
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
: J4 M* {9 H. V* ]! l7 l7 f( b;;将此次交易的记录加入到customer的trade-record-all中
% O3 X u" Q+ A% M# n" k2 z; jend
5 z$ `' z0 i7 V) F- r& M Q. Q
3 c. D5 v* x. t* @( [! \to update-local-reputation$ _# b4 ?( ]& `: A
set [trade-record-one-len] of myself length [trade-record-one] of myself
' t6 P. J% V( C1 p- [5 |- C3 [2 w; y# J3 e3 T
0 h7 C% U3 u, x C7 Z/ ` y, z;;if [trade-record-one-len] of myself > 3 6 H0 F' e8 G3 n2 Y% K7 ~6 b" r. ~% P( H
update-neighbor-total. {; L/ \- W' T- L! p8 W- w0 @& \
;;更新邻居节点的数目,在此进行
+ h+ T2 L/ b# i. q2 U$ } elet i 32 d& N: x) W; A* f% a1 q
let sum-time 0
+ L C8 a1 t3 L, T, @0 d8 u2 jwhile[i < [trade-record-one-len] of myself]3 L; @( _5 b+ j2 Q& u0 z2 a
[' g" i6 U5 E. P( v x% t
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )& b6 Z+ J' L4 j2 ]% a
set i4 c4 G& O% H$ T; h" s
( i + 1)/ [2 M! R9 i& W' K8 r( u
]
. X: U x$ b: d; |% `let j 3+ y7 v3 @7 I- e4 p" s2 q
let sum-money 0
7 B2 O( B G, g [4 ywhile[j < [trade-record-one-len] of myself]
5 T1 N2 |9 H1 V. L) J2 h[
6 ^" F, d, _, U* c t$ Eset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
' U) o5 M( s* \0 @6 r4 `set j0 ^' B; w. j4 z4 O
( j + 1)
5 `. Y: \6 V; r/ u! d]
6 o9 Q* ~& n- ]0 a7 Plet k 3: S% n9 [- q6 Y% [8 ^: o4 v% l$ O( G" ?
let power 0- y6 t$ H5 m7 E1 G$ J+ B
let local 0
. I0 T/ T( B5 m0 p- [while [k <[trade-record-one-len] of myself]
4 h# n! P7 D$ n+ C6 w[
- ?) G6 u9 Q$ Z# n$ {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) 9 n$ N& N$ a0 }, q: G' c4 t q
set k (k + 1)3 D3 D+ b) Y7 Y: E6 |
]
' G4 S- Z1 h9 |' d, M0 i- Wset [local-reputation] of myself (local)
. M# o: F! a' Xend2 U7 O+ G7 i6 \! n* H* d! v' p6 k
7 F! o8 K- Q Y$ Tto update-neighbor-total
+ _- E& Q; j+ K9 O3 W9 H
5 P, u8 m- F |: d) k% |- `( _if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]. @, v8 G7 V1 l
+ x8 W( e; J9 c: J: @ ?
) U$ ~5 M% }# G
end
, E, M" Y. g z, ?7 l
1 w$ c: X6 Z3 `to update-credibility-ijl
! n1 }6 w1 {. [- H S% q7 n z9 s' q9 k4 B2 G7 V& A; ^$ Y' N
;;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。' V, ?! `" e6 F1 H0 k
let l 03 l3 P: G) Q( h
while[ l < people ]
- W% b5 B+ m2 T! Q5 [" E5 |. q;;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! ~. Z; q0 l5 s' g; N0 E
[
8 W! s' F, c3 E& llet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
* w. \' k1 E+ o9 X7 o+ Tif (trade-record-one-j-l-len > 3)
/ f: X, r) X+ x* _7 L5 U& @: I[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* Z$ R. x) r8 y1 c/ b7 e4 _) m1 _/ l
let i 32 t2 C6 l, \8 k/ o. k
let sum-time 0
, F {1 }* w7 r7 Awhile[i < trade-record-one-len]' z% E; I3 N& j) \+ \- ^) |& B
[# B3 T1 O) ~! r+ }" j7 c, P
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )& q# _( ~$ [* Z! P
set i: c; n) T* L6 x( x
( i + 1): R; r$ x! w+ H) _& o
]
+ `$ m' e. t: }: i: f8 J1 \let credibility-i-j-l 03 E$ M2 Q4 Q1 L, m, S) u6 h
;;i评价(j对jl的评价)
5 m! ~2 a; W+ ~& Y& Nlet j 3# ]) q7 Z& @8 W% ?& C" i( e1 h
let k 4
0 }" v: ?1 |* W$ [' mwhile[j < trade-record-one-len]
$ x2 i# X9 X8 \[' Z3 T# M8 u# S% I2 o
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# W0 _: ~- h _, F7 A
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 V! I( y; {; v
set j
- g& C6 [( A( p! y' J0 j: T' {- O( j + 1)
. I* ^( x) a5 D]
- S& n$ D9 U& @3 uset [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 )), K+ l% d$ Y9 i1 }) d
' V- K& b+ Q& }+ \5 e+ v i
& i' M& c1 F+ y( g3 z" Z Z
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))& Z* f6 ]1 P V2 v" B x1 }0 K
;;及时更新i对l的评价质量的评价! F9 A% j0 d1 [) ]5 D, J& e. |9 q3 B
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. z8 {3 v9 e8 b4 d! f" P
set l (l + 1)# X2 j4 I% \* J$ s* R2 j+ S5 A
]1 X1 R; l" o* _4 c: R. A" J
end
% {5 G9 V$ W; P9 c8 h* i; [ }; C7 A* X
to update-credibility-list2 a5 Z% o! R t2 Z, T
let i 0
1 ^6 E% l' L: U% i1 |9 Awhile[i < people]
/ ~- B. F" f: K[7 X1 l8 ?5 D& @* f3 U
let j 0+ @/ Z) t6 g$ S. h$ T
let note 08 i5 z9 ~: c+ k. Q; W! u0 ^4 {" L
let k 0! q7 f6 X: v2 ^& {
;;计作出过评价的邻居节点的数目
1 `$ T% z% \+ V% b. R- D2 O! n* e" a0 qwhile[j < people]4 w8 O: w: |' v. ?/ b
[
* K5 H+ G8 Y5 Z+ s8 pif (item j( [credibility] of turtle (i + 1)) != -1)2 P( W" R7 p% t
;;判断是否给本turtle的评价质量做出过评价的节点' N1 p! }5 W( Z3 C A1 `, E
[set note (note + item j ([credibility]of turtle (i + 1)))" s; O( J8 t) _0 [
;;*(exp (-(people - 2)))/(people - 2))]2 [5 P9 n' l' C( U3 K9 R. D4 [/ i
set k (k + 1)5 ]6 O) {. B- o/ r* y* V
]
& ?1 M. a" d0 I8 `0 uset j (j + 1)! a$ Q6 W% `+ O; R; K& P! E: B
]% q% y. E, \5 N. {
set note (note *(exp (- (1 / k)))/ k)
Y7 R @$ m% r" H0 {9 Mset credibility-list (replace-item i credibility-list note)0 a' X. ^) A1 ?
set i (i + 1)
6 t) J; S; d9 s+ W]
g8 {& F- g3 O* m/ aend7 C! Z! D V& a) E/ J$ e4 c1 v
{7 |" Z& N7 Q' N# @$ d8 X
to update-global-reputation-list
0 ]3 x \8 A( q# o& Rlet j 06 k" h& H- _/ g1 ]1 B* h" B. p A
while[j < people]
5 R9 S7 c- N E2 I/ \& g ~$ E[
* v9 B2 e3 V5 A2 F+ R, y% F* V0 klet new 0/ r$ M1 ?3 n/ J* i5 v5 k$ W
;;暂存新的一个全局声誉
2 [+ z$ O5 J/ M g; _, M$ xlet i 07 H/ U& T- r9 y$ ]7 E4 m
let sum-money 0
% Y5 }/ ~& M) {% u! Hlet credibility-money 0
( U$ F* e! P+ M! @( t! z# ?while [i < people] l! L8 v5 b" h( Z1 c
[
# ]0 T* z* _! R! H" k7 c5 Z) {+ Iset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))9 j, S6 T) G. x
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
5 {$ c& S- s9 I; A: g/ i6 `8 s6 i7 Q% Cset i (i + 1)! c' n$ \9 e: O- f" ~: o- s3 p, k
]
2 `7 \, r' j2 a$ w$ o0 ^let k 0
" D. n$ I3 h6 h( |& ? m' glet new1 0, q5 j. R, m5 |' n' V- J. Y
while [k < people]9 W1 X6 L% B) v% b5 b
[
+ g. g7 W1 P" _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)
a- o' ]3 P% }& Tset k (k + 1)& K% {6 n! }4 X
]4 `* \/ J# N6 o; B. u
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) - D4 W$ C- |* Y. j& b7 ]6 n
set global-reputation-list (replace-item j global-reputation-list new)2 W3 N( z. M8 x# Z# t# G" o' j
set j (j + 1)' p; n+ X! N# m- R& l
]
( ]' |: G" g4 E( @5 c- b {end
1 y! @$ @( [7 U4 _3 y
$ V0 \( P" J g! _
9 p# g, A2 }6 c5 [' C$ j0 R2 k! E. t
to get-color
% ?/ g) |( C' s/ }: C1 j' K. `; k
set color blue
1 m3 U9 G% L4 w- e; N% ]& gend
2 _- Y& ~2 R0 ~" R) g, x
) A. \: R8 h$ L7 v g4 Z1 @to poll-class3 @2 m [! O4 p* P( _0 j
end
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to setup-plot1
+ m6 x5 } i& Q) o3 H) P3 O3 {, o+ I
set-current-plot "Trends-of-Local-reputation"
! t( Z" z0 F- {6 \$ W0 I8 P5 Z z e0 ?- Q8 Y
set-plot-x-range 0 xmax& q0 y- n8 @/ r
% N) k @8 ?7 c; H
set-plot-y-range 0.0 ymax
8 ]4 t1 h5 j" F8 Vend# }) k3 b" E4 ]0 |5 ^
, T- E) c) }( M( g1 dto setup-plot2
0 A# J0 E" Z0 d1 p4 e1 d( e: W1 b- r( t& W
set-current-plot "Trends-of-global-reputation"9 F0 @! H9 L9 E! {) [; x
, A! @" T' Q# X7 e
set-plot-x-range 0 xmax/ O, M/ s# b8 L2 @, X9 Q- J
) `: a1 E# h$ a
set-plot-y-range 0.0 ymax
5 `, ?5 j n; D9 e* J1 f+ iend! b; t9 ~, @. `
% B/ m' P/ ^" o' g! lto setup-plot38 V, I8 `- s7 |9 V- h
7 Q$ L9 Z/ a! c7 ]% t4 m! @$ Iset-current-plot "Trends-of-credibility"
! B) q- @/ m1 N( {/ I3 M/ y$ O5 F* X5 ?- U# g
set-plot-x-range 0 xmax7 D+ u8 [& B& G4 n( b
+ L* b! d0 y: A% ?, |7 V4 b, Uset-plot-y-range 0.0 ymax
# ~3 @. p/ a+ S# |* X E7 K. N3 t1 Send
2 N' q5 t1 k0 r1 \; k, p
- p' A5 Y: V- V0 t% v Tto do-plots% c, p9 ]$ \% Y/ S
set-current-plot "Trends-of-Local-reputation"( i5 c, }- U, a" F! b6 K. {/ O
set-current-plot-pen "Honest service"
' L0 [, c' Y2 T$ [; M" [# i7 ?end B/ N% [) ]) k- |0 B6 G0 D
9 s& U$ H6 ~2 s
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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