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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' x% _) }' F7 N) l( G' w) S
globals[4 Z6 {, F7 I7 `. u6 s. k- A
xmax
9 L& p7 z) V2 F; symax
3 ~: l+ I$ z0 z a$ [6 |$ Z" U& \global-reputation-list) n# P3 |" w3 I$ ^+ r
7 G/ L0 d* F5 w7 G" G% r/ M;;每一个turtle的全局声誉都存在此LIST中7 A1 Y1 f# M2 O3 b
credibility-list4 Z* ~) Q5 o5 n" t, }, P3 M
;;每一个turtle的评价可信度
' L a3 J' e& jhonest-service
: _$ _: S5 a% @unhonest-service
+ J, D- S3 f$ S9 ?7 n4 ^oscillation
7 f" ` P- m# u3 O! q' D+ O( Jrand-dynamic
1 Z' H3 V& B3 q]7 u2 f7 `" u r! b, ^
; w/ Q1 M$ t0 }3 s, x: h$ Kturtles-own[
( Q% H3 Q$ f. p6 C* t. ^trade-record-all
& M O5 Q5 S8 L1 h" U. i;;a list of lists,由trade-record-one组成 ]) D7 S7 u' h7 J; k
trade-record-one+ P4 I# v5 o2 f+ z8 c
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录: {+ c7 l1 U# x2 k, m8 ]
7 A* u# y" l9 }( b- W3 l;;[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]]0 G) \ b4 \7 P6 _* @% n% p
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]
9 }5 q8 O0 `3 Q& @; jcredibility-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list3 ~0 L+ n L8 B! b) O4 n
neighbor-total
|, w. s+ i9 W% L5 l5 R! ?;;记录该turtle的邻居节点的数目6 D" q* \/ w; Q, ~+ g( a
trade-time& L: F( Q1 ]6 ]: B" C
;;当前发生交易的turtle的交易时间7 d7 y' V3 H( q p4 u7 {2 ?
appraise-give
, T8 I, q9 u. C" b;;当前发生交易时给出的评价8 ?* E: t' y- W: C3 V [
appraise-receive
( D: f4 W5 y# G;;当前发生交易时收到的评价$ I; J: y& x' B- I8 C1 _
appraise-time
% T) k) u% ?, |% l' R;;当前发生交易时的评价时间
+ t( I; [. I3 M' w+ |local-reputation-now;;此次交易后相对于对方turtle的局部声誉
9 X \5 ?" V/ S% ytrade-times-total' X$ }$ W: z1 c" _
;;与当前turtle的交易总次数$ \) N5 e7 C9 N/ F4 }( `' n
trade-money-total
' J& }1 W" i O, l" o8 E! z- \;;与当前turtle的交易总金额, x) ^, {- S2 P. i- z. K
local-reputation( J! G* d0 z# J7 Q6 d6 i, c& l
global-reputation
' [* h; u3 c% K5 e, N5 T; z2 Dcredibility& [% j& ~7 n: Y! c8 C1 c8 }
;;评价可信度,每次交易后都需要更新
7 X( j2 V& p; X; o$ _+ \credibility-all) |8 d5 H3 Q: y) t9 t- 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7 y, c8 ?" k" a* c, @7 g( f3 t
5 u/ z* k' I9 N# `/ j$ N6 I0 |) v;;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' t/ V) V/ @; _, W$ Z
credibility-one
% t0 B$ ~. O- U' C3 p+ k, F) 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 q$ @0 ?7 V- E9 ?# @# ~
global-proportion- e5 Q& a# c Z2 e
customer, \, g3 E' J- x3 y2 `
customer-no8 C% }; Z: b: U, I' B" O
trust-ok/ C: F a! o ?0 K- R, i( L; L$ a
trade-record-one-len;;trade-record-one的长度
7 l7 K/ m7 k6 ]% U]
" U1 n1 y1 \" p3 _+ W( A% P2 W8 Q! u2 |/ C1 z: L0 x
;;setup procedure
& ~. M- b5 X% w9 t0 w# Q
; i5 [; ~/ U, |8 W% eto setup. r( J* c1 C# l
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ca
" ^2 v3 c) c' c5 V. P; \
% u- W0 V- O2 Linitialize-settings6 R c4 E! C& s) r; z) T/ u# J6 |
0 Z, \+ T" @7 p& m% Rcrt people [setup-turtles]
, |/ g5 u3 u5 N3 ?& y
2 g+ O# Q0 Q, M3 c- _ m; K! @* greset-timer
i$ w% r7 O: d9 C8 r" U2 `- r3 N" I% v9 h% C' R; d7 _; u
poll-class
) \ e& ^! I2 @( E0 G* X6 C* S
" \9 v( m" d, j6 Usetup-plots: V8 _1 G/ R; n, e- d
3 ]: D' \7 S5 {' b/ @do-plots
. e/ N& I2 h' F2 K$ l* _# p7 Kend; t. g% Y% l6 N" l, X
! t3 x2 d6 J: w9 j: ^6 O- o! P# i9 ato initialize-settings2 F8 k4 a. W0 P( O! N; [
0 Q1 ^. s; L# Y4 I: o Bset global-reputation-list []0 j) H, H6 b( M" ` P
1 s1 D* X6 r) M9 ^2 i- F
set credibility-list n-values people [0.5]
, ^. F+ W- n5 U0 t
2 o) L0 Q/ v1 C. fset honest-service 09 M( q. g: T( W, V6 n
5 \1 n$ d8 a. h0 e
set unhonest-service 07 u' @$ K; J" h5 j
- Z0 f9 w; [$ d7 D6 r! o
set oscillation 0
$ q: u) w' N; p7 \; { w$ r- W; e+ X( t) m
set rand-dynamic 0
* r! D$ h. q P [end
. n2 W- o5 _: ]; u- N4 c
7 s" u& I- u- j v( wto setup-turtles
3 I+ _6 p/ M7 s" wset shape "person") j, B6 ?- n2 I8 R9 W# K# @
setxy random-xcor random-ycor
. H% @) X1 E) G" K# @2 Xset trade-record-one []" H' w+ V* E5 D6 e% C, \
* [& `$ F$ K$ [1 h& C% vset trade-record-all n-values people [(list (? + 1) 0 0)] % G' X3 ]# p d9 C6 d
, j" P+ Q0 \5 H
set trade-record-current []
# q& C: `2 L1 t' uset credibility-receive []+ b/ ]$ b: y W0 A9 T( J4 y
set local-reputation 0.5
- \, q S) A( w5 q% B4 }& a, O4 i1 ?set neighbor-total 05 C7 J8 B8 S/ Z c
set trade-times-total 0
" s' W. X$ m) l4 T8 g, t( s- A8 zset trade-money-total 0/ |8 j4 r3 ^! S% R x) |5 j: @
set customer nobody
3 l6 J# [3 x5 oset credibility-all n-values people [creat-credibility]
) ], g( ]. P. }9 Iset credibility n-values people [-1] K& ~7 X4 H+ J6 V/ U5 E
get-color f% w+ K c% L! k8 c7 q! c
& D+ ]6 R% z" ]7 K
end- }* s, q2 Y6 S" w7 r8 I" ~
- }) {& ?" Y0 t" Z4 ] H0 d1 rto-report creat-credibility
+ c* T c i# H) B8 j. nreport n-values people [0.5]
( n7 r2 e4 ^ R Tend: c* }6 e; f9 |0 r
& E: T6 c( V, s0 S
to setup-plots" \9 W6 |0 r# z" _0 K3 e8 ^
+ w/ C$ o* k0 \# R4 s; x$ s; M4 I
set xmax 307 s, U3 d3 W7 A9 x
6 |0 Y8 R% l6 `8 W
set ymax 1.0
$ B6 x3 e7 T7 R. N+ [+ O o( r0 U* ], ^, ?6 \7 t. @
clear-all-plots O, }- c3 R! t; J8 G7 X$ z
Y" M5 H- D: z3 I3 Y$ ~. ]setup-plot1
( o8 V' [) ~5 I( m+ J( h. s
, T, O- E5 ^2 l+ m- Qsetup-plot2, p5 S" l D9 b& A9 J* i& W5 o2 X
# e# m: X. s! j' V) {setup-plot3
! [" u& L% z5 H) Zend
2 t$ t! K6 D7 a3 w8 [7 I2 H- {2 ?5 |- ^$ J! F9 T; H% F
;;run time procedures( ~+ g3 y: g4 P- B( u: r! f, B
Q$ D9 D+ g$ G( y1 ~& Y1 B: I
to go
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, Y$ d1 a8 b8 Y* Wask turtles [do-business]
8 n2 T6 i, W/ ` H1 t) kend
* V" U7 J. Q8 } }" w2 @9 l6 p9 R( E$ h6 P( E5 e
to do-business
: n7 q# a' y# c+ i. X
3 \7 E% x; @. {/ U y
; m2 N6 Q6 w8 O- y5 _rt random 360
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$ r% A+ b- G0 c; o) j+ sfd 1! ?. ~5 Z* g' v/ K+ q3 J% E; l6 h
4 E- U2 g; r* `* P- F% V2 B
ifelse(other turtles-here != nobody)[$ t4 j$ P8 H6 ~& L, D& \
& Y6 J+ w" P) a& c; k* ^set customer one-of other turtles-here
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
4 w/ t6 A" ~' G! o! h[trade-record-all]of self
) u' R% W, u" ]; u- A% X;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self5 H* S7 p) q' x7 P* y7 W$ x a
/ W( c: B7 J' f5 k' m9 p$ w5 bset [trade-record-one] of customer item (([who] of self) - 1)
5 k# m- e$ |8 Q4 L[trade-record-all]of customer
3 A. d- x" q8 p! l$ r4 K$ O5 h, a$ M; M
set [trade-record-one-len] of self length [trade-record-one] of self
2 T7 G9 }+ |9 t( i0 x9 f1 n
5 q; G6 I( z7 {set trade-record-current( list (timer) (random money-upper-limit))
4 D) a! X* v; B
( h6 l, Y( }$ n2 c0 h* e3 Bask self [do-trust]6 y: t3 @5 p, n3 |
;;先求i对j的信任度2 M1 `" p' M; H1 H! v3 x9 p
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if ([trust-ok] of self), W: K! o8 U& O; B' w
;;根据i对j的信任度来决定是否与j进行交易[
2 P. P ~3 d+ ^ N: h' C9 ~8 H+ rask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself _. d' A! g: K& g( r) i5 X$ p
/ `4 k2 l/ h# o: m+ J) [
[
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do-trade
8 s3 L$ K! _6 p2 ` L
9 o8 s! B! F5 }4 V( z+ Zupdate-credibility-ijl
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1 _, c2 ^3 v: `1 a+ h8 F) ]update-credibility-list
, x+ [! c" N8 Y, ~( c: Q4 T2 f0 ]) G& P+ @5 o) d
' W3 K. @; _+ d% Q, K5 F9 Y9 y5 Gupdate-global-reputation-list' e# n8 a2 [6 d v) `
9 x& b! R( m- U4 A4 ~# U+ [; ]poll-class
- }" j: _7 h6 g4 K
# a i4 J6 F! O* {! [: X5 l; ^get-color" ~3 u+ ~+ e. @3 ~
% W! k g) ]5 k% `9 ]3 s
]] W: \/ n6 K) q9 g
6 I: E, @6 Z6 W' d* _+ M9 x( f0 J/ I
;;如果所得的信任度满足条件,则进行交易/ E% G" C) |: q3 e
3 Y* X6 g* ~6 K5 \- B9 d0 o
[+ X, I) |( c- t; v! L, J4 d
5 P4 z) Z/ `: h" K! i
rt random 360* i# z- B' @2 H
8 ]6 @: T) c* \* R5 Sfd 12 M5 i! q6 s- f8 A
6 d9 U8 Z1 W3 I/ M7 ~8 X
]& s2 e1 G' ^; I: L) a
, P! r( F1 g# G( k
end2 Y \7 r0 M) [# d
5 t# z' c$ d3 x5 m0 Fto do-trust
3 a# s4 h- K+ H% L1 f l2 dset trust-ok False& k7 |" T' G% J% n) X9 p9 t
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let max-trade-times 0; d S5 ?$ ^# `' s- r. U
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
# {# ]( G1 Q+ `: ^let max-trade-money 0" j8 R3 N7 {! k) K9 S
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]2 e2 f4 c/ a: t0 R1 a. \3 c0 T
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
; x4 T" A3 D# F/ x! g4 w7 }
4 d: N- V% W0 W8 U# m0 R' }/ o3 s3 \, X
get-global-proportion
2 n1 u/ X- d- `. P+ Q7 o6 x1 p4 Flet trust-value
5 B" y, g, m& s5 e- blocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)! l- Y5 @8 [$ N8 ]
if(trust-value > trade-trust-value)
2 X" K: t0 L$ L( H0 t. n[set trust-ok true]
3 M1 u- i4 W7 A9 e5 U, m" Yend
5 z# h# G1 Y! p
- z0 w* i" F* a8 r0 {to get-global-proportion
% r! @, Z4 g: R- c( O0 W0 q. ?ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)" t/ J; T% @' }" L
[set global-proportion 0]
7 f* [, O( I) ^6 e" y# A[let i 0
& }; r" h; B% a1 x; ~( slet sum-money 0
, ^2 C1 K( Q) J7 ~7 _while[ i < people] b' |6 w D) l, {, f
[ p( ]; e7 x* A3 k8 z. P
if( length (item i4 L: n1 c& _6 a8 z# v" x. q" b
[trade-record-all] of customer) > 3 )
$ E6 z: | M9 N& T. T[
4 T* F1 g# _" X5 G6 f4 T2 Zset sum-money (sum-money + item 2(item i [trade-record-all] of myself))% n4 ?8 s/ i3 Q g
]) l! c X6 Y9 ^5 j
]
/ O, O1 w6 y, c0 o, flet j 0
- A8 n, _5 M, [( X Flet note 0
8 ?2 x" z/ A: d3 n( c( D7 Zwhile[ j < people]
# O% Z' M8 O1 r0 L' O[
. X5 c* P4 H8 O9 ]if( length (item i7 U" ~% `) ]* Q4 ]% h
[trade-record-all] of customer) > 3 ): W4 U2 s1 M" G9 \+ s
[9 _; T8 |2 U' Z1 A7 _0 k5 W
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)5 ?9 b4 p- {3 [
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)] j1 ?; |5 {" ]: e v
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
6 R; k! N5 i9 P# O* X9 p. w* ^]
! @' B$ l: f* K* m* ^6 l( c]3 Q: Y. D; g3 x. X
set global-proportion note
# u q/ e$ R* T4 s1 D5 L, L]
9 m, x: X1 `3 wend
& G0 i# G+ V$ {$ U3 F" k" D6 M. _6 E7 @0 Z. W% K, u
to do-trade
6 M+ |, @. e! R% t. {0 I( h8 X;;这个过程实际上是给双方作出评价的过程% s9 d. C' s8 e* D, I+ B
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
& L8 [; r, G% y8 ~3 N$ tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
+ c# ]' @3 k* a4 Vset trade-record-current lput(timer) trade-record-current8 c0 w2 o4 S" w
;;评价时间
" X7 G d' f/ j! |' eask myself [- Z, f- N, v9 p9 o' K
update-local-reputation
6 z3 x9 C1 j2 C3 G, rset trade-record-current lput([local-reputation] of myself) trade-record-current
) K5 R( g' Z" _1 {! j]
) }) [" i: J! S9 x& _set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself/ b0 @; C' p) j7 p" \# b
;;将此次交易的记录加入到trade-record-one中2 e; X3 x# |4 c& [( I' g
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
, M G d. X+ slet note (item 2 trade-record-current )$ N. D S& h, ~5 n
set trade-record-current4 p. q% [# r$ x' }* e8 v! a
(replace-item 2 trade-record-current (item 3 trade-record-current))
9 K2 i9 j$ ?3 W8 Rset trade-record-current4 f, O7 h% @8 u6 g) I, Z }
(replace-item 3 trade-record-current note)
% P& h3 ]# F# D- G/ ?
- g* v& r: ~( ^* n( V
/ @3 o4 Y0 o( s; t* O6 x ?ask customer [+ b& e. C/ f4 c% w
update-local-reputation2 Z- u( D- g, l: x& \0 D
set trade-record-current
$ [3 P. o7 o0 j3 P(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
1 t' h& `+ h; P; a R]
6 i7 G: v6 c8 N7 f0 [7 C* r) g- B8 M8 r5 Q0 ?# Q) \
8 W9 {. I {7 wset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer# l. H: H v- u- i& S5 c
1 u) Z1 R: m8 q+ T7 a
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
B8 o8 t# P% D+ W0 v+ a- b6 o) R' m7 a;;将此次交易的记录加入到customer的trade-record-all中
( ]) Z- v8 k9 d5 d. e o, s- fend* I l% h3 W- L* D6 |
- d: A9 ?5 f- n4 `" U. r( Bto update-local-reputation
; n8 ?. X! {6 A$ Y" U' l6 g# m: dset [trade-record-one-len] of myself length [trade-record-one] of myself& L! p+ }, R; n
) k* K+ M! S7 i8 f/ D' H
9 N' ^; r" E j7 {+ r
;;if [trade-record-one-len] of myself > 3
# X! K+ G& i/ a1 h2 N/ K) W8 uupdate-neighbor-total3 b. f# V$ Y! \/ E) ?5 |0 g
;;更新邻居节点的数目,在此进行
$ E7 S5 Z, ~0 h" |& tlet i 3
1 z% ?1 \( L' E0 slet sum-time 0
% H( R7 O4 J+ Wwhile[i < [trade-record-one-len] of myself]
" T0 E3 A9 c+ Q9 ]' m I# {6 y[
/ ~: {) X7 S8 T: ^# \set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
& _+ _7 y p% I$ @set i" }. Z- F' x, t- {/ j- q4 n
( i + 1)# r+ l1 O4 E; I* \
]
3 x0 W5 g7 l, Qlet j 3; i e( L- h& I+ E
let sum-money 0
0 [) ?( ~1 ?6 W% b( nwhile[j < [trade-record-one-len] of myself]. A# t- E, E# `, e
[
6 D* Q) S7 Z0 }* @) iset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)2 v" H" g8 t p" {
set j
) h/ P. z2 G8 A8 ~. G) q( j + 1)
2 i3 A3 E1 P: }6 s. ]]& ]8 f, Z! \6 V6 J+ M, w) h" c+ T
let k 3
8 P" J+ P v+ S) dlet power 0
Z3 g! U( J- B% Xlet local 0" h% U: v* [& z& Y+ a
while [k <[trade-record-one-len] of myself]
5 K, @- q+ @: o' g[9 R% O3 s9 [7 }' J0 Q
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 ~2 y; b% d5 g4 g
set k (k + 1)
* l6 X/ ]3 W5 F: D- ~' t* A], E& O9 Q1 G( P, G2 x6 R' \
set [local-reputation] of myself (local)
; Y1 R0 D$ \: [; Yend$ Y) b2 r8 X; W7 V' A
; b$ i9 e/ ~% g' H
to update-neighbor-total
+ r( j8 ]) m9 {! ?* @) ], @4 S; c
2 y2 v. b+ |, Bif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
5 q! ?8 F2 }" l% V5 l. q
' [8 `) d+ u8 u4 g+ z0 |& Y: { T, L5 }6 q6 B& ~
end
; c p! D2 y1 }% E. b' }; E. e& K# j9 G; f$ u3 A
to update-credibility-ijl
9 o, x# D! n" i) Q; j: V$ s& F% ^. f( t* C/ u9 o
;;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。
7 o- b# `* e5 F, glet l 02 q; Z$ H* Q2 E
while[ l < people ]2 U1 e; }+ q+ q: T( E
;;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6 v1 ~, e4 Q# q+ i5 I' k
[/ Q7 c$ z l) ]# W) v
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 ?3 d& E2 R1 q2 N( T U( h
if (trade-record-one-j-l-len > 3)
! ^4 X7 v* g* H[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
3 h0 b& k8 T+ n" t" w7 M) e) elet i 3; v5 f6 `4 p/ T" g+ \
let sum-time 0: v6 }" a* S* t, _+ a+ w
while[i < trade-record-one-len]
& x% |1 Y6 m) n! h0 P[
1 s9 p4 i) f2 a3 m& Fset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )0 T6 z0 M' n2 \8 I) |& \& A
set i( ]; V% w; D$ H
( i + 1)* Z0 K5 Q1 b, o0 C% {
]- G. k" O! x a" V
let credibility-i-j-l 0
$ {9 h$ m0 ~2 [7 c+ _2 e a* j) V;;i评价(j对jl的评价)( [) u7 r y. W9 C/ E5 V# I1 I$ i
let j 3
) \' d" q" J1 s3 i5 L# a: s/ slet k 42 G" T* O" y( Q
while[j < trade-record-one-len]+ z8 i# f0 T6 F+ i
[! `9 p4 d+ j7 K# C& s7 {/ U
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
& N7 m6 G/ B1 n2 B0 ?" j h5 P4 P$ Fset 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)9 @: K1 Q4 k) j/ E
set j
, ~) i8 X: _; R( j + 1)
, e7 p5 W9 ^; Z+ T U]; b5 e8 j3 f' H, C }% x0 [
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 ))' S) }) l0 f/ v2 n: q
* J' n9 ^9 {: U' W- j# m2 W- O+ I( ^% L
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
! _! M: W4 b+ f( C$ t) x1 W9 ?;;及时更新i对l的评价质量的评价! w' c6 z3 f) y8 {" d; R9 Y& s
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]) ] i5 @! j& c4 \
set l (l + 1)$ K6 \' Z5 N* R; s9 \
]
. X* G1 m& F9 Kend: R& x; O2 J; p
5 l# F& {) Y0 ? b# k q9 |& a
to update-credibility-list2 E. g% I, }. V3 x$ M
let i 05 J/ H% C/ D* [2 ^3 l
while[i < people]+ O: z E" q; |
[; O" N/ n; e5 a
let j 0
* n3 _2 i! M8 Y7 |& o5 Dlet note 0
. D, f' H$ w6 f* Hlet k 0
% d$ y: J! G4 B! y e3 c. M& I, Z;;计作出过评价的邻居节点的数目
9 T& D! D0 |5 k( S/ mwhile[j < people]
& e+ ^# J6 A0 }% |% C3 [' U[
3 w. R/ n0 k$ N3 Pif (item j( [credibility] of turtle (i + 1)) != -1)
( X8 k( v" Y& p; k9 ^, x;;判断是否给本turtle的评价质量做出过评价的节点9 i, c9 ?' {8 J
[set note (note + item j ([credibility]of turtle (i + 1)))8 z' g! n5 a/ v7 K# G
;;*(exp (-(people - 2)))/(people - 2))]# D5 K; `& h: V r+ F/ U
set k (k + 1)
8 l1 y* h) M$ f3 H3 I]
1 k4 m+ s! }+ m- ^0 N$ j6 |set j (j + 1)
* M6 i! s/ L( y R( s0 B' |]* m* N0 p" J9 v* K+ W
set note (note *(exp (- (1 / k)))/ k)
! w0 l" |8 N5 B* Rset credibility-list (replace-item i credibility-list note). U' X5 }% o7 x/ M/ V4 K* t
set i (i + 1)" Z7 G. k3 K8 b
]
8 [& ~( R7 `$ r/ Y; Fend* n7 o: _7 h& C/ T
9 H6 c; i; b Z8 eto update-global-reputation-list
% m5 l9 K' _# [! Q" }; vlet j 09 `7 a$ ?/ o, q, w. c
while[j < people]4 Z: ~4 M7 I1 @/ U0 m5 b% B
[: U" e# a, C3 Q+ ]; x
let new 0
: N7 C0 I" c) t% k;;暂存新的一个全局声誉7 w* Q! y( z' {% h$ C2 }# H
let i 0
- W9 Y2 W$ k3 W8 c' X1 Vlet sum-money 03 ]9 q- f) U) _7 B* w" s/ R
let credibility-money 0
8 Q5 r# l9 @; I5 \while [i < people] t" K7 L6 ]/ G. {- y
[
6 r D3 y$ ~9 m0 Uset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))): _2 z; Q. m7 ~0 Y' N$ ?5 g9 d0 }
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
$ ]0 E' p. }, d9 W4 f) vset i (i + 1)
5 i+ L+ T8 n N. ?. L' @]
& ~/ U0 R/ r% r6 h' nlet k 09 M# u$ R' w0 p
let new1 0
, q" A d7 g" P0 k! n' K0 d7 _while [k < people]* D' N& ~# ~# h
[
, j2 G3 I0 x; ~& R9 P0 Q! i( Fset 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)% Z D/ x9 q/ [ p! q
set k (k + 1)
& J8 _) H- s% W7 C: R# r]
% i4 h) G, b1 p0 k, I' Lset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
/ Z% I0 |4 s4 ~2 f; T6 ~, R" N. Nset global-reputation-list (replace-item j global-reputation-list new)
3 T( B4 K5 p; c$ x* F/ Dset j (j + 1)
: g9 \$ O. H1 |]& p" F3 {5 [" a B9 r
end
3 W2 ^1 R" ~, d/ I! g. w6 y7 R6 R& U& X! b* R, x0 {5 a) C
0 X9 i. h* V# U9 H% r, g. s
S$ n# v0 q b& m; H5 {0 yto get-color
5 V h% B K# S! Q$ K- o! g
0 W$ h7 ~" @5 rset color blue
# r C( y) [7 x3 M nend, D$ \, _6 l5 z/ _: c0 p6 z9 b, q) R
5 M$ G) x3 j( i7 y+ |# x5 `
to poll-class
* e6 P4 h8 d! e m, H7 {end+ ^; o9 h4 D$ ~2 n; ]
$ y3 e" H0 v* r3 w8 w* k
to setup-plot1
# Q- V# Y' `$ d. D& u! x0 V( s( w( {' I
set-current-plot "Trends-of-Local-reputation", S$ `% {* E! F& g! ~$ g3 o# ~
6 i( o- R4 J$ W) Q$ S9 M
set-plot-x-range 0 xmax( n8 N4 { d& v- L$ l! h: U
' g8 w6 ~( L1 a) \. Q
set-plot-y-range 0.0 ymax
! L( |7 A' [# h1 U) P1 T; Gend" [7 E; b" R5 ]
( n D; J% E8 K" Nto setup-plot25 w( d4 j2 O R
6 n- S' V- r9 l: |$ S$ j, aset-current-plot "Trends-of-global-reputation"
3 ^. g6 E& E: s# A% l5 z; ]3 ]) j7 P# I% k' n2 e
set-plot-x-range 0 xmax2 ~8 ]$ n' S8 ~- w6 d1 r
- z, k! L3 v) }: c6 _, x
set-plot-y-range 0.0 ymax
/ l# W" f6 P( h& K Bend" x2 [9 f& H7 D7 }- `8 w$ Z
- S, x% M8 n7 n9 f2 f1 Wto setup-plot3& N# p* ^3 E% _, j2 p
8 _" |# U; [4 z9 d1 [- N% _$ z( U
set-current-plot "Trends-of-credibility"* v) q: M# s+ \: r/ S9 w0 H. @% J
6 q1 u8 d X. C R
set-plot-x-range 0 xmax9 X3 Y: P, I1 u8 p ?- t7 e* l
% B: {- M) v& D: u& Y( _
set-plot-y-range 0.0 ymax) |9 T- F9 e9 y& s8 ^/ b* V
end/ E! c9 `$ W1 B6 E
/ J: G: t1 R$ P. Ato do-plots2 m( B, T# m% w$ R0 O8 }9 m% F
set-current-plot "Trends-of-Local-reputation"
m* | R/ M' y5 cset-current-plot-pen "Honest service"
0 Q* f$ x! y/ T5 O) ?: nend
" M' z( b6 [3 N+ T0 ^% J) e: a/ s! n+ {
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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