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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: L( q8 ^: P F& w, o8 C
globals[
3 N5 K y6 U+ D+ t9 c/ ~6 nxmax3 q; I. o/ h2 |' {; d
ymax' Y6 y$ i/ J0 s
global-reputation-list
A6 `- z! G/ B$ I2 W. g
: Z" @, r3 l: j; R! S;;每一个turtle的全局声誉都存在此LIST中+ c8 X2 W1 r6 s0 t( N5 s
credibility-list4 @ z+ X6 R* G* z2 W
;;每一个turtle的评价可信度
9 Y1 x& q) e$ ?. ^honest-service! [0 J3 \2 B, c0 h0 f3 I9 w$ c0 Z5 K
unhonest-service+ F0 M- Z! P c
oscillation
. ]2 o$ ?6 r, h% G$ Vrand-dynamic9 o' d; j. f: j; d9 Q
]
+ u4 {# E" h: U% X: @8 g0 |, t; s g8 a
turtles-own[
! J' t& s% j9 v+ n& S7 ctrade-record-all
2 G7 c9 ^. |4 v A+ G# n4 G0 J;;a list of lists,由trade-record-one组成
% X% p/ v, y7 \" ttrade-record-one; O% | U; l4 f/ a7 I- M4 ^7 }" a
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录; b8 k8 x% k6 ~9 I
- ~) L' c% C" X C: X$ @# z0 z; w;;[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]]
- m% `6 w f/ @% Ttrade-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: ?+ ?7 X1 V
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
( \) Q- v: G& l# J2 R. Nneighbor-total
: e4 b% q B! n5 Q% C# g;;记录该turtle的邻居节点的数目
; R# t: ]" s) H) m& Utrade-time
; _( m! }% ?2 L; A2 {8 X6 @4 @;;当前发生交易的turtle的交易时间$ p4 d. b4 t$ U
appraise-give
4 }& i( i1 P, i" ]7 P% O4 w/ R9 }& a;;当前发生交易时给出的评价6 N8 B) \' a1 M
appraise-receive
5 @- e3 H. I" P* m;;当前发生交易时收到的评价
" x% R( c1 N* v, Z! v( pappraise-time( X+ Q* i7 J# m7 Z; b' S3 Y3 M
;;当前发生交易时的评价时间
/ @( R' u0 F. Y I1 tlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉2 B g7 c% @; M
trade-times-total- |/ U2 n+ }( }* s3 v6 _
;;与当前turtle的交易总次数8 z/ v. K: I6 i( u" i/ K
trade-money-total; H6 x6 b* _, y. g) z; O. B8 m
;;与当前turtle的交易总金额' {2 [6 T, t5 P$ E. b+ v$ z
local-reputation- a2 w/ ^% l; ?/ K$ M& Q
global-reputation
7 l2 t& F( M; K. A- J1 @2 R% p' Tcredibility# Q" \/ y f: y2 o; w; L& Z
;;评价可信度,每次交易后都需要更新7 s( ~! j% W3 _
credibility-all
: q7 }6 O# w* C, M;;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
3 X4 g) o% f# n% a# r1 Q
$ v. t: p$ O! @' p, ?. C( @;;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& L0 Q, v4 k( t" `2 ]
credibility-one- v$ K4 o# e$ R3 V
;;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$ W# b( b" M- g' a8 @. V6 B
global-proportion! @9 O# `( F1 G* d
customer# [ u, l$ V7 K7 |7 g6 o( {( {
customer-no% R1 K; ^9 f6 O0 S1 r7 s
trust-ok. j, P# {, }3 S5 @! j& H9 ?/ v! K
trade-record-one-len;;trade-record-one的长度6 K5 c* o4 C+ O6 {( F
]
; M1 ?9 R) x# [# _+ ]3 Y+ l- E4 Z$ M
M _: H9 R" `5 p7 ?* Z;;setup procedure
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to setup
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" \# h4 H4 f1 E% [' ~3 E# lca
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initialize-settings
( k; C3 \/ v( {7 |) _& `7 Y
7 C. W1 P \+ B9 z' C7 m. Dcrt people [setup-turtles]/ v2 m7 M4 Y4 O
/ e2 ^/ n! Z; r. @* rreset-timer
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poll-class
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setup-plots
/ L5 `1 \) {; Q6 S) h( F2 @9 ^% r: o# `/ t, I
do-plots
; |5 `0 n" B& G, kend5 H8 }. c2 A8 s1 L+ [
5 K) G: s9 k7 }+ d( X& V$ |
to initialize-settings
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2 u' L0 L8 K- r6 s! G% sset global-reputation-list []" d* \0 N; S! r0 Y4 y" W
! U$ x7 V9 D# A1 p; X) Gset credibility-list n-values people [0.5]
+ X7 S$ z0 W }; f
1 t! O" V) @3 v- D( eset honest-service 0) f1 }/ {4 n/ A" D
3 U+ q) _- ]/ |/ U' P6 a/ Bset unhonest-service 0* G6 `9 @0 F# h6 o* p9 z
7 e: I' g% z9 \& o9 iset oscillation 05 m2 V/ e! \4 J% l. d
" V5 J* O% m1 v) Bset rand-dynamic 0
\& \& l: A# E( _7 T, O' hend
# w/ {( H) `1 ]8 C$ v' P4 g8 F; G) t7 D
to setup-turtles
1 N* y+ S! Q8 R0 a, k9 G6 K; S* o5 dset shape "person"! T- g5 r7 O: [5 A9 \% h
setxy random-xcor random-ycor
F; X4 Q4 B4 p" g+ q8 Z: |set trade-record-one []
. {2 X u. [, T! ]) L
) `$ j! r8 L! V" e* Y* vset trade-record-all n-values people [(list (? + 1) 0 0)] $ Q% F( h4 }& j; A" [/ A" P
+ @' Q5 [; g3 {set trade-record-current []' n1 h6 h5 v9 o; V8 ^& }0 }( K
set credibility-receive []' X' q8 f2 c( x- d7 e+ \9 ?1 o* H: O* n9 X
set local-reputation 0.5- k' W* @- {! c/ u, l7 a0 x% l% b
set neighbor-total 0( M; M$ Q9 i+ W$ |& N1 u
set trade-times-total 0. P5 O+ g+ I/ `
set trade-money-total 0
8 D9 R' N' z' Sset customer nobody
" u' i; M8 l- t! _set credibility-all n-values people [creat-credibility]$ {* C1 |% P% L
set credibility n-values people [-1]
4 N# f$ Q" Q5 }& Eget-color9 u8 K7 R9 E9 n: k6 {
3 O8 H3 M3 ?& _& Y+ Zend
5 }2 j: K4 S. _8 x4 p4 u: F1 q9 F
; L' M" l9 W( b7 K% B) B+ }to-report creat-credibility
' ] H; F+ k7 Y5 ~+ Y" ureport n-values people [0.5]
+ G; D/ y6 G- P7 b: P5 @! ]end
% F- o# [6 I1 u2 o/ Q
& ?' |+ Q* k9 }& mto setup-plots4 a' A& i- ]0 j: E, ?
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set xmax 30
* @/ \& w( y8 F. M
- a- h- Q. s% r- G: D; h+ |set ymax 1.0
_7 ^# B' d( E, R/ ?- [" k% m9 Z: e2 w5 y' E
clear-all-plots
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8 h8 O8 y H, d5 d2 I/ Q$ k. zsetup-plot1
M. I# u! F0 f0 Y
; }7 Y* z Z7 A! K# ssetup-plot2
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setup-plot3
, I6 a( K1 d5 Q- tend
( y! a! c% @5 F x5 i4 ~( N2 n
) \2 l w( x4 R;;run time procedures
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to go% `3 O/ ?6 ^' ]5 b4 R$ Z, `
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ask turtles [do-business]! _0 k) ^0 E2 Y3 G( m
end
$ I5 `& K* g5 P/ u/ m" ]6 w8 [
; q& B8 a1 k6 bto do-business
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* }: l- s* W2 V9 |6 T* F5 `! d
rt random 360
- p' r" I u5 _
9 I7 _$ }) r+ }# s/ K, @0 z4 C# h1 e, Xfd 1
4 ]3 U; U9 M9 {3 O; M# P0 ?6 d6 A0 v
ifelse(other turtles-here != nobody)[
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$ e) ?8 \ z1 L# t) nset customer one-of other turtles-here
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;; set [customer] of customer myself. p& h# U1 u( l4 f" @7 o
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set [trade-record-one] of self item (([who] of customer) - 1)6 p& d7 f7 S3 J# v5 j, h
[trade-record-all]of self
. _$ i3 K# B0 S: ?;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
8 v6 c5 J6 L( S1 M( u. C
2 g. K9 Z& {# q3 U9 Eset [trade-record-one] of customer item (([who] of self) - 1)' a6 A2 g: W- @8 }; |3 O" g% N
[trade-record-all]of customer) F+ j( o4 ~- i; x3 L- G s
% l; V4 ^9 X8 F7 E" E* Qset [trade-record-one-len] of self length [trade-record-one] of self x' k& P+ m7 N$ d7 T) C
- |5 ^5 g+ N% M- Dset trade-record-current( list (timer) (random money-upper-limit))
( L6 I& G; `7 H% B H( l6 k/ X \
4 t3 F9 h+ x: [ask self [do-trust]0 S! T8 ]' n' r y) Q
;;先求i对j的信任度
. {4 F- K( Y( C: N" w
( H, ^) v7 h! l/ s# o' e, U' m. |if ([trust-ok] of self)
9 A- E" ~: x/ Q6 l/ ]# t;;根据i对j的信任度来决定是否与j进行交易[
0 b% P0 b. n' _ u: q" F" F, Fask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself! e- t, Y* Z5 u5 a* x( X' F* c. ]
9 l" ~2 l1 p5 j. l) S+ T- f
[
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do-trade
3 o9 k$ s' P0 L: i
1 k- Y" x' Z: ~3 d% F7 W$ Rupdate-credibility-ijl" M7 \+ ]3 k0 [9 h- I; t
* T" `6 g' k2 \4 H8 _0 Z
update-credibility-list
/ n$ @" ^7 j/ K% J- S# X9 w7 I5 U) B5 e& H, e
- ~- O: a7 v6 ~+ ?
update-global-reputation-list
+ y$ A5 O: B: {6 s* D7 K' l
. ^) @9 B1 J l3 u, B+ O0 ]poll-class
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get-color& b- w |( W! p$ H& @$ J* v; o
* }* V' @- o/ b5 u+ b+ `]]0 }* z0 V' Y& t3 w3 @
; n* ]0 F t1 B6 Q
;;如果所得的信任度满足条件,则进行交易8 l# o. a# O9 Y' N
2 F* o, U) I# ^
[
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1 f6 f6 J; M( M# p+ G7 [rt random 360
. v' \( k) a/ O; F$ h) ~0 h1 O% C% }: b5 x3 p. U
fd 1
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]
) T2 S) A' Y7 Z: u8 w' `( t+ e @) h- ^) w+ k& s
end
( H* R) X: Y/ k" Z1 e: U) G, P/ g
to do-trust ) `- y% Y8 A4 i2 S, {0 e- [: \1 m
set trust-ok False* G$ |; Q; y; U$ N$ H; U9 W; S8 u* c
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let max-trade-times 0* j* g0 h. l$ k* z0 X e
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
( @3 q& m" G) O8 i) Clet max-trade-money 01 [" X- l; |! h* \4 n( \& v6 J
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
3 Y1 \& v6 S4 J! 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)): E4 b. Z9 s5 u; E! {( e# M. d
- Q) Z# I2 I1 G7 T* }/ }' ~
' l$ U7 b! c1 ?5 j( Fget-global-proportion$ k3 K4 ] a4 u5 f# p# P
let trust-value
* S: S. M% f& W! x8 Ylocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list) D& @8 j) ?5 D2 K2 |
if(trust-value > trade-trust-value)2 r a, i% Q1 \: }5 K
[set trust-ok true]
9 ^3 R$ p. U4 Y" R: U6 Tend/ F/ M- P2 V' E2 T
$ d. V, ]; C: b, o6 S: ^% Lto get-global-proportion
' ~. W; F5 ~$ V \: |ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)! w" Y; E' K s- B% `
[set global-proportion 0]
C) X& d+ r) S" L; l5 f[let i 0
. f z4 |" [( m- [0 j2 ?let sum-money 0( A! Z: r$ X8 a
while[ i < people]
4 \. Z( |8 ^8 r% J[# s* e- N9 N2 t- l: y
if( length (item i7 k0 N0 d( o- Y& K$ ]! t
[trade-record-all] of customer) > 3 )
* P' Q; g5 O& D# I[
: d7 f0 G7 ?- a4 L7 c- aset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
: ]5 A; p: v) h R- t4 k; A% ^]
' Q' _, i# z2 w: N7 H: l]% c% [& `, d" _$ v6 [
let j 0
: {; B$ B5 x* b$ W) M( Vlet note 0
8 o/ e; ^( T" ]' x: T+ twhile[ j < people]
8 u2 X8 i) T; X* n& n, k[
" N0 M1 Z) @$ T; M9 p# e0 {if( length (item i; j0 K: q* m, d4 \
[trade-record-all] of customer) > 3 )
8 u. J( v: I3 v1 |" {% T' v[
/ {; k! m3 U4 R. cifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
& {& S" e8 V& ` p% A[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]$ k0 m" l) ^* A9 ~1 g) x
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
+ ]! [# y6 P: }: O P& p! }& G5 l]
* O, [; k" p7 d* Q]( O2 N! h! j8 q1 ?" |& u
set global-proportion note; D+ }7 k/ e# i6 L3 _0 {! x
]9 K: U3 {5 `2 \* ~$ k; p
end$ o2 {( D1 f. y" @4 l
# V7 Q& B7 D+ W* gto do-trade
9 O( Q# w/ F# V! [! V5 |3 D' R;;这个过程实际上是给双方作出评价的过程
6 H7 U7 W, O/ S5 l7 p* ?set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价% U$ b) c. u( ` A6 g+ d8 ?& P% o
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价; _4 i' c* A/ I+ I
set trade-record-current lput(timer) trade-record-current
9 X E; O0 \0 r4 g$ B/ m;;评价时间) O9 T. {1 {& S& e
ask myself [) f4 \4 _& P- x I: q# r
update-local-reputation
! e. g' [0 N, f; ~set trade-record-current lput([local-reputation] of myself) trade-record-current
! ^3 |8 J* n6 y8 l. I* a0 q]) l. b( [! j0 f: |
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
& l8 I G4 Q$ u, n+ @* x;;将此次交易的记录加入到trade-record-one中6 z& ?" I* L l! p7 b4 `9 E! ?
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)# ]$ W" `" k Z3 u& k
let note (item 2 trade-record-current ), \ Z. T4 S0 B9 Y9 P4 O8 [
set trade-record-current
5 V9 j6 `& J$ |: m! q0 B. j* I(replace-item 2 trade-record-current (item 3 trade-record-current))
' G7 m: w. c( R/ gset trade-record-current
$ O6 m4 z5 b0 W3 k$ {(replace-item 3 trade-record-current note)
6 [4 \8 j" h2 Z+ t3 W- q
! |0 m4 {; v6 y; d( s/ ^* N5 @! ^) K
ask customer [
1 E: i" y j) Z6 T% h4 @$ q" Oupdate-local-reputation3 Y7 j, T0 F% m9 R1 b/ w
set trade-record-current; C8 P$ x- F& N6 D- l! E7 F6 G6 j
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) " e+ K" w* k) E: k* k, ^6 u& v
]/ Z/ l' h3 U7 ?( T. z5 S# v4 I/ U! a! r
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. }7 W* w6 N2 t% N- K* e
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer/ q1 n5 F* h2 C
8 G6 Z3 I: O \' [ _3 V9 ]set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
' h" a1 d, W7 ?! v. B* C;;将此次交易的记录加入到customer的trade-record-all中
* ^ d5 ^+ U9 x8 V8 H' ^9 ^, a6 E& Fend
+ A* E" Y X7 R6 |' y3 [" z
& r1 R( Q2 k, b! L, h6 b3 Bto update-local-reputation
2 k* Z9 g( }, {* w* G9 H% [+ cset [trade-record-one-len] of myself length [trade-record-one] of myself( M& g: X. w2 i( U4 v9 E
K1 L) M, \& M/ q. f; G7 |% u+ E
5 a- l6 S2 ~/ v/ V9 y3 d2 j+ \6 I# y;;if [trade-record-one-len] of myself > 3
t; u* |0 a; |: T8 X" R) jupdate-neighbor-total
2 C) v) V& M/ ~1 m- a$ H2 Z8 v;;更新邻居节点的数目,在此进行
/ v1 f4 E& V+ ]/ {let i 3
" S: k0 a+ V, |# r8 p. |- z& Wlet sum-time 0
' `$ b& |. U2 fwhile[i < [trade-record-one-len] of myself]
- m" V' o" k. b; P; [; D& l[
. O! y6 b2 K4 P* b; g* U+ Sset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
, I! v$ ~ H" \' R' v. F6 ^) c9 L; [3 nset i
* S/ d' _( [1 n/ {( i + 1)4 @0 i4 z1 T! x
]9 i5 ], S& t5 g' i! q/ N
let j 3
# |- p0 a( b& B/ O$ ylet sum-money 0; G0 T" L# p- w8 g- |
while[j < [trade-record-one-len] of myself]1 Q- K/ X: `! g8 e
[" e/ b8 y: a& s+ \$ a- B* k4 O
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): b, R# ?# {9 q& S/ q8 F) r
set j
2 J2 a5 J1 i& \% i/ H; {2 |2 ]1 B( j + 1)3 n. Y/ k1 b. c3 i0 a
] {4 b0 ^! J9 n/ ]& }
let k 39 c5 J; ^; N9 q; j& n
let power 0
% r2 ^7 w9 b: w& Clet local 02 K# p8 w1 f) B; v: x6 C8 k
while [k <[trade-record-one-len] of myself]
# e( l; w6 q9 X[, L* w' e( G( g% O6 [0 z7 @
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)
% H' X0 a" y2 d* Y* {0 vset k (k + 1)$ q" g& y( o" I$ r! |
]* L. t0 T- E: p& G. v3 a
set [local-reputation] of myself (local)! _/ G+ h @6 f% {: w4 z
end) E* X9 x) i# t1 [0 m) c
0 p( c6 l0 W2 e1 L. z2 X* Rto update-neighbor-total, ^$ s0 S2 B! B+ b9 N* V
. ?$ m: e" C1 A7 v
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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$ |9 m9 ~# H! @- |9 \3 B! D; I
( O% U1 y& H4 a/ ]3 tend u9 Z5 V' M$ c1 t+ J4 f( z
8 L: \# |; P$ Q& P5 E0 X- u9 i
to update-credibility-ijl
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8 Z, f- X) I( a5 D n( ]9 t- F* d;;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。
) w+ N. Q5 {/ l6 _/ H, @' alet l 0
' H0 O& Y- s8 U9 {$ e2 m4 Pwhile[ l < people ]) n1 N* V+ Y& e7 L% |1 T
;;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5 v6 @, B( [9 W
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 z. I5 v# `5 t# H# e8 M) g0 Q# Y
if (trade-record-one-j-l-len > 3)
4 B7 ^, T. k7 e& v/ p* X1 C[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-one6 b0 L+ R0 [+ c7 q
let i 31 N& m7 v# S4 Q6 W
let sum-time 0! w* a, o5 m1 C. ^
while[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ); g, B5 u( P2 {4 q
set i
4 K) P3 s$ X; {) ~+ y7 F/ `' }9 u( i + 1)
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let credibility-i-j-l 0/ o8 X: c# I0 M/ d- v# G
;;i评价(j对jl的评价)8 E5 \- F7 a3 j: }; \0 _
let j 3
* B2 ^ u3 s; m4 k/ i, t& a+ ~& B- ilet k 40 T; o0 n1 k1 J
while[j < trade-record-one-len]
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: V% X8 T/ o( r& `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
8 T$ j4 `& X" q4 Z( l+ yset 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)
; b( V+ r# K1 O% V$ R% H1 }set j) |6 c$ y6 u6 l3 ~- B% K
( j + 1)
) q# R# C3 g- ]3 []; W" b) K$ w. k
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 ))
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
5 p, w* u0 J3 o% @7 w;;及时更新i对l的评价质量的评价
; R2 B% z7 c2 }set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]! J4 T; F0 q/ Z* d3 w
set l (l + 1)
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end
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& M* v& m" z: K" a$ Z& f- Cto update-credibility-list
! q8 v' L9 h1 h7 r: l8 n$ Slet i 0
6 S0 o5 A/ s; ^5 z6 pwhile[i < people]
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let j 0
* E. y7 W/ z% z7 C% blet note 0
4 g F) l' ?$ Qlet k 0
u/ R7 A* F, }$ v! U3 U/ s5 X;;计作出过评价的邻居节点的数目, {7 U$ V" U8 E& s+ K, q; H
while[j < people]3 e. K) g3 ~. F+ ^- J& A4 p: w
[
( c" ?4 r0 o2 z: Rif (item j( [credibility] of turtle (i + 1)) != -1)
7 k1 D( E$ f; c5 n3 G a;;判断是否给本turtle的评价质量做出过评价的节点% R" l. Y$ d+ x
[set note (note + item j ([credibility]of turtle (i + 1)))
" S3 W! \ n% h* O;;*(exp (-(people - 2)))/(people - 2))]
- A" u; ~! d/ a5 sset k (k + 1)* L$ Q |- {# @7 W: A
]# H/ C, ^, ?" a# Q
set j (j + 1)
: x3 r# N5 X4 Z* @]
! n, `: a) M5 R+ f0 lset note (note *(exp (- (1 / k)))/ k)
4 w; B: m1 ~! ]1 b- L0 u* l1 t, q1 lset credibility-list (replace-item i credibility-list note)
, T. |" K, A6 `set i (i + 1)
3 Y) D6 l) j4 O8 M7 W9 [6 _]
; ]( U4 g+ H" o% H5 T! v0 b- Y9 wend- K" ^" r) [& a
: X* a( e+ j- L! k3 J6 R y- u( b Q8 F6 Jto update-global-reputation-list, y% O& J$ q. ^! z! E' n, l
let j 0
2 ?% H: H) {( Z. F) bwhile[j < people]
, v4 Q" A6 ]( z1 k[
, F1 a) Z3 ]6 ?. B. @% [let new 0( f5 |" l) M8 Q# t# [ i/ i9 P4 v
;;暂存新的一个全局声誉! ^( ^4 S+ W$ Q2 {
let i 08 {4 X) s, } ^0 I) p0 v5 l
let sum-money 0
2 q) ^! V' Z* `7 jlet credibility-money 0
# A. H. {1 B/ C7 x Z" w0 x* wwhile [i < people]1 W$ @" ?, J9 r N0 c
[7 q" w+ ]* D5 \* L( t$ A& \
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))). d2 S$ E6 f, ?
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))4 q: G! g% s+ b9 U) h% I
set i (i + 1)+ k7 a* H& J. {5 o% S6 q
]. E. y& D0 H: g) A% ^7 Q; b/ b
let k 0
% W8 V5 H( m2 L/ Y+ g) \5 Wlet new1 0
! E/ A8 |6 \2 u2 Lwhile [k < people]
, |( d5 R; ?, [& M4 x: m5 Z[
/ C2 P; S9 q/ H; P3 q4 Q8 N. r" ]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), x6 }3 L( X0 O
set k (k + 1)5 [/ v. o0 O. p: e- y
]
7 n2 X7 A& K4 |% |/ K4 Wset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
( [0 I; @" S; ]set global-reputation-list (replace-item j global-reputation-list new)
+ H# {. N: {( G6 P Q4 fset j (j + 1)
, u# h0 m2 K9 D! Q( ~1 e0 \]
3 `1 ^. B( {- o, R% [0 E7 j: s9 A7 p! Send
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* J5 _1 Q. Y0 F' T, Q9 Tto get-color
# [4 ^2 c& t* [3 w1 e9 A. Q
T9 Q# c# q) A/ p6 D& a) oset color blue
2 _0 ~% k V6 f& j1 Dend
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$ w& g& ~/ f& J0 }4 mto poll-class, S! ?8 h7 D' P4 U5 x6 H# L
end
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' ]. l. C c& lto setup-plot1
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, M$ p5 p7 n/ U. X" f" G* _set-current-plot "Trends-of-Local-reputation"9 o0 M }* Y# { f1 w& A
. ]& h% ~8 j/ Y+ u; ?* I/ M
set-plot-x-range 0 xmax% C; |& i4 u9 y* H9 O' v% m
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set-plot-y-range 0.0 ymax
* K; @5 a1 [! Q4 O" ~) oend! w, t# |8 N& v4 Y( A. m {' s0 X
# s" p7 D8 h+ w$ c5 Ato setup-plot2
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set-current-plot "Trends-of-global-reputation"
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set-plot-x-range 0 xmax) I1 \: q& n- R: |
& q2 a- C2 V, Z" dset-plot-y-range 0.0 ymax
& @8 u% d4 D( W. hend* l+ P N$ U9 A/ d, ~" r( i
$ Z P8 X% V! C/ n; E4 mto setup-plot3' k* P1 u" K5 i6 ]& }/ Y5 q9 v& O' R
& ]7 _' O* q- Y
set-current-plot "Trends-of-credibility"
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( d& S4 P" ?4 V9 J7 d: uset-plot-x-range 0 xmax; Y# E9 o; A7 g9 R! _, M" c4 v
, K' d, R0 O4 `4 N" F; Q8 oset-plot-y-range 0.0 ymax% J8 W$ \$ }, O. s
end5 v. }4 U/ L1 a7 D% |
7 y, T% `2 V6 r$ `9 Wto do-plots- Q$ o/ ?5 y v0 f
set-current-plot "Trends-of-Local-reputation"+ n- s/ T+ l( {( E, x
set-current-plot-pen "Honest service"
$ f8 _' `: k+ ~% L8 iend- Y; }% h) D& g7 n& @3 V
/ z8 U, v. \+ ?, d3 J5 x[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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