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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' v6 S9 j8 T9 m+ M$ x
globals[
) `1 s' T1 A( L3 R- V. v' bxmax ~% K# d2 ^4 a2 h" m$ i
ymax- C. m- T' [, [: m) J
global-reputation-list) s. r- L* q- Q% r
! |0 L" [9 u1 D0 J6 [;;每一个turtle的全局声誉都存在此LIST中
+ t6 z- e( h: w' Lcredibility-list1 P. f* W% j/ {% F! J9 |2 E, Q) ] D- E
;;每一个turtle的评价可信度2 ]; g P& g/ { l6 C
honest-service |8 Y% C8 K% R. U0 v' T B+ |+ y5 y
unhonest-service! u9 G5 Q9 E) p" [7 G' R
oscillation
- I) m2 |6 q1 y# Crand-dynamic t( `* U' |, Q: f6 w F
]
( V* j5 i5 C! \$ _# E
y2 m3 L/ T& @+ t- x/ m, rturtles-own[6 ]0 i6 t; x! \; |
trade-record-all7 O0 l$ }# ^' T0 G! ^' D5 U7 ^% _
;;a list of lists,由trade-record-one组成
2 Y$ V: t2 Q# I' }. Etrade-record-one
: p' h" |0 Z' `' X;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录7 G) N* J Y& E$ ?
( j s/ q7 q. _0 F( ~0 v1 ^1 l& F;;[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]]
3 J4 ~" U; ]4 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]
1 s A0 {8 v( ~, W7 L9 Xcredibility-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
8 c% a0 |. m; F/ W% c8 l: kneighbor-total& y* U( ?: B, f6 O/ G* G$ b4 {8 u4 t
;;记录该turtle的邻居节点的数目
a Q! q# v4 Z# u+ ] ltrade-time5 F4 i7 g! y* W; n4 q3 F1 Q1 [
;;当前发生交易的turtle的交易时间
2 m: D$ ~5 L6 F9 ]* U. {0 ~appraise-give$ r4 [; |9 H! J7 l& O
;;当前发生交易时给出的评价
9 x3 f+ i3 J* ?7 Eappraise-receive
Z# {/ y0 `( n) ~) v5 v" I;;当前发生交易时收到的评价
8 {$ P6 J6 s4 q4 [3 Vappraise-time* Z/ G- H+ D. T3 p8 M9 A& U- w
;;当前发生交易时的评价时间: q7 C8 D' Q6 z0 e+ {! U6 O: u8 m
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
+ m6 X5 M7 W0 k7 q4 s/ Jtrade-times-total5 |; C( `5 k- k; T- c: }9 t4 F
;;与当前turtle的交易总次数2 @. S! |. n8 c4 I) P
trade-money-total/ E: F) h$ p' L
;;与当前turtle的交易总金额
& k3 w" O, @" U1 O1 n! F6 G blocal-reputation$ A1 {- W9 l; f; j9 M
global-reputation
0 s: K* _# m8 U v/ M/ j, j' tcredibility
3 T* l# ]3 S8 v* `# W/ @;;评价可信度,每次交易后都需要更新2 ] [7 H8 P9 q% g
credibility-all
% F( C3 k& F( l% Z;;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 B% q7 a7 ~$ K
# d X' A& G* M. t. M;;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
( W- e% K0 H3 v4 p" X9 d1 n. h& qcredibility-one' C( T G& x8 }
;;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# g, Y2 a* w$ C& T+ K5 h4 F! i
global-proportion+ o) \& W, Q, e$ n$ _- g. p
customer
" }: B, ?( v3 D1 v$ | R Pcustomer-no
: K, c: n" D! e" V4 w# f5 jtrust-ok
1 F' y' E; A$ l' @& u) A* \trade-record-one-len;;trade-record-one的长度
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- Q# e4 ^0 q# I& s;;setup procedure
. J D' Z( `" ~/ ]: x. i0 c( R* j* H0 A& \5 Y
to setup
8 Y% ?, e7 w. d3 k7 |: z. p4 v- T: {7 W. w5 c% V
ca# o4 j Y$ ~4 R0 c
' G {! R( ^ C* O! qinitialize-settings) ?! u p2 m- y) V7 J
- T; Y* `; }1 D% Y" u
crt people [setup-turtles]5 |( h7 O. i# m7 w1 V& K# d4 w
! \$ d. |# \4 D# a9 |reset-timer( [6 ?& O( y! R; G# V
9 x) {# w* F. s w
poll-class1 B: d6 t/ }6 J# ^6 U
a. _0 R; X: Y( z& b* K Osetup-plots4 w O1 [9 \( u; k. X4 s
0 n! P3 Z; g* n' v/ pdo-plots
& w% m& x. K" }% ]8 a/ H, P# {end
) d ~ D! B2 F6 x( s! Q& q B, F
- X) u- j& T- w+ Eto initialize-settings- _; C0 X0 p+ J+ R2 T" s
/ h8 ]: e; q2 \( x+ J4 dset global-reputation-list []$ j# F2 B) N; t& H$ I( q
$ w4 Q) g- p. m, ^9 V' K* Q% G1 `set credibility-list n-values people [0.5]
' C/ e n! U& n; |; Y/ }! E1 }! ?' n- _ l) z' S1 T6 } a7 |0 O
set honest-service 0
( I; R8 u% o0 r) e) P
8 D* D/ j @$ `! S' Wset unhonest-service 09 T( |% \& [7 P# _5 A! w% x
% O+ q, n( O8 Q" u0 B
set oscillation 0
. Z9 Q5 I d# I. w. y2 l* k& K- a/ l% c0 N, R
set rand-dynamic 0
! K" H9 t6 g6 ~1 q' h& G2 D/ ^end( }2 ~$ @& M) k( |
/ a" P0 f: Y8 i3 q9 ^8 _, i5 ], Pto setup-turtles
9 D4 p( X8 W+ }1 T1 M/ oset shape "person"6 `$ h& F+ V$ ^: a) k7 @2 L/ b
setxy random-xcor random-ycor
" _3 R) q; v" Z K( v. Jset trade-record-one []7 S' ], u2 N2 S' U
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set trade-record-all n-values people [(list (? + 1) 0 0)]
3 @* P7 S C" b) f& C- _: o/ A; v C8 N; z4 s- l8 e) f
set trade-record-current []
& t; g4 O) _& w' Mset credibility-receive []
2 Y7 n& E1 J* w* {set local-reputation 0.5% u$ W) n2 K; N+ f" C1 d. z8 ~
set neighbor-total 0
. w7 f) \, l' Z5 N2 ~set trade-times-total 0
0 @# _8 b9 a+ d* A/ tset trade-money-total 00 z \- `4 a% E9 M
set customer nobody
" u* t4 m/ x( X3 Kset credibility-all n-values people [creat-credibility]
M* `. u/ n8 @0 Bset credibility n-values people [-1]: `% ^, L# L0 E% f$ K/ D" t
get-color
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end
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to-report creat-credibility& i, Q% l. \5 z
report n-values people [0.5]
- ]2 {6 `0 j) send* H8 ~2 t' _) [4 o2 Z- w. T; F
" }7 q! t/ X p( Cto setup-plots3 j; H( d) g% c9 f
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set xmax 30# x6 i$ p0 w' b
H$ v/ g; \; w, K0 l1 Z8 yset ymax 1.0# P" A* N% H$ U# B* Q+ e
; h. o8 F; K$ d! }$ I
clear-all-plots
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setup-plot1% U) c* J w7 Z: w0 ?
+ ?6 B5 l n8 U4 g$ M' d
setup-plot2
+ H, G. l! A" r$ [ U0 F! x) p3 N: \! P+ h( z5 l
setup-plot3
8 l9 i1 q5 y$ n" J$ aend
: e- ~' A+ b) t9 P! K$ L7 c y& S8 r$ p% ^$ l0 Q& S; |
;;run time procedures$ n. V9 S9 w6 k" W" k' E# {
! c1 C1 {, }" U* r4 }4 \# q! rto go' z i) x( l, `3 r+ j1 `: I
% U. C7 ?" @/ y" H) k: |8 dask turtles [do-business]+ b c* v8 U8 M6 p+ P% W8 ]3 B
end
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5 F/ H- T! c) L% K/ bto do-business
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, ]) W2 B4 i3 R! @* A8 t- krt random 3609 Y. Y6 C y, q! ^: C. j* r
+ z7 t- j- X/ ^9 u) y. mfd 1
! v0 x; M; z1 G$ | S, ~( Y4 E B8 f1 b) j+ C
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here" B: P$ n8 F8 G' g' F- w4 y- m
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;; set [customer] of customer myself
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0 x0 W: X0 u, q% L; D( Sset [trade-record-one] of self item (([who] of customer) - 1)
9 K0 I) L. B& O: O! ]5 [8 F: y% ^[trade-record-all]of self3 x) G, c/ i% _" V
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
! s4 H9 s9 K* ?7 P
& c0 ~. n: A4 P6 i( Z" v3 @5 Cset [trade-record-one] of customer item (([who] of self) - 1)$ G8 W3 H2 x- ~. O
[trade-record-all]of customer
$ z" y; N. h$ ?, O8 ?# G0 C# u1 m' ?! W/ ?" t, u
set [trade-record-one-len] of self length [trade-record-one] of self. ?* e" W; n" \& l7 D5 p! e! A+ j
" S9 X$ S* m& i2 w' p5 k
set trade-record-current( list (timer) (random money-upper-limit))
* _* p1 ?3 F3 f) C+ Q8 A* w5 ^: |% l. h6 X. T0 Q& k8 ]: L
ask self [do-trust]
5 J9 ^- U, a. i! y6 _;;先求i对j的信任度
8 @2 e0 E& Y: N: `( `: J9 w) R G0 d8 M( g% f6 G- c
if ([trust-ok] of self)
' P# C1 o5 \# e/ ^+ C;;根据i对j的信任度来决定是否与j进行交易[" ?1 S5 d1 v* B1 ?
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself% [7 _& Y! I) l, I! t1 \
2 R" d9 V( U' a[9 [# i. U# R% @2 B2 @" G H
! ^. I+ Q2 C) n! v! v2 {3 Y' Mdo-trade! p8 ~; P2 @6 ~, W8 _
: \, \% E3 ~- |+ `! ^update-credibility-ijl8 ~+ v$ w7 `* Z n# ^7 F& O4 k% A
2 r* @9 U4 O4 @2 vupdate-credibility-list) d* F: m4 T- s1 f" G# e0 Z/ ]
% d4 M7 x- H7 V, E0 }$ [* V+ ~ p$ h# `$ H- y
update-global-reputation-list4 c* @7 J) ^6 r) k
$ H% e( l6 l' ]! N" A! Z- Spoll-class
$ h1 Q; `( E) _: \* b
; h) Q7 Z2 P6 Q) n: }# `get-color
) {4 |" D& B( ?. u" D
) v, C. d# E7 i% Y, k% V, Z]]( }9 p: n, ?' e$ ?9 w
( L4 v& F; E7 U4 ^
;;如果所得的信任度满足条件,则进行交易* j; O0 A4 ?8 B+ M$ a, P
c. s! O: g; x6 p; w) v s
[5 n9 d* j8 Z$ I3 H
/ x! f' ?0 R4 F* ^8 t. O- art random 360
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fd 1
2 R& x, i! y k a
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$ J, q' L% {0 j7 g V: fend
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. @2 o- S/ H. e7 X* mto do-trust $ |$ B& u- o: C' P8 \
set trust-ok False$ R6 A! g3 c) X+ a/ _- ~
# h- z( @( i4 R n
# B8 X2 p- \8 c2 [ B
let max-trade-times 0
0 s2 j& Y5 e3 P+ oforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
$ d/ A6 J* U) {# wlet max-trade-money 0
. W. T+ n) H# `& D9 Z& C) lforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]7 x, ^- F; l' k* F) i# t) d
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))4 V4 g) o& i- r9 v W
$ m7 q0 i$ V& Z. b/ Y _2 V5 M& j6 D7 s# U
get-global-proportion
9 R% W9 b$ Y! F7 U8 J& l9 ilet trust-value5 P* R+ h% S& F* a) ]3 P$ v; E. a/ u
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)% |4 y" F* R! Q% k' I
if(trust-value > trade-trust-value)+ m( {$ `3 g5 b) u6 R5 @; [9 S7 B9 m; R
[set trust-ok true]& a. r! S+ }- k% Q4 M* j/ g" [
end5 G! X l; A7 x
) f, ~2 _) i1 @$ }1 gto get-global-proportion, |% k" A1 v" o2 e1 r; T
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
* u4 F+ U3 t* r8 ~9 M/ @" P[set global-proportion 0]
$ }. s: Y1 j' Z5 O% N$ J# V[let i 0
) V8 N) P7 g( B! _9 vlet sum-money 0
$ x! \+ \& x; \7 rwhile[ i < people]
5 b3 w& c; m. {$ O4 |[
3 @; M' \ B F6 Q. ^! `if( length (item i' q0 t3 }) Q" B& g# |5 }
[trade-record-all] of customer) > 3 )
7 I) \$ v' ~4 t, [5 M( a' ]& m) W[1 f5 e+ T( K& g" f' j9 i
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))8 l h' t# E; r: D6 j
]
- u# x. B c9 _" O" G3 F3 o]
V" i& ?7 L& F9 ^+ ^- t- t1 glet j 0
! `$ }& k, ~, A" [- Elet note 0' T! ~2 n% S( {8 a& {# |
while[ j < people]
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if( length (item i2 r9 N# y" G, g# Y9 {1 D6 E9 @
[trade-record-all] of customer) > 3 )
( k) ]8 q0 w2 V[! R4 ]- w& I) Y' N- R9 J% {9 w7 x
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
/ E" ?$ _( I) Y6 y) T[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
6 a$ L2 `3 o1 w# w[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]2 ^; D( ]1 h' |# i; y" s1 i
], k3 c& p2 P u v0 A% V
], o. G2 d2 e: s; n5 X3 E. B( l7 R, q
set global-proportion note
" A9 G0 S- }! C% p- u/ p]
+ I$ P0 H& j$ [5 Fend
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# H, B j4 O+ C4 _/ U- }7 oto do-trade4 S" c8 R0 J6 {3 i3 A
;;这个过程实际上是给双方作出评价的过程
+ ~ _. ^* v C/ T- ^! h6 Z3 vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
! m+ q- Q1 m6 [3 K) W- cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
1 X' D: A, n: n5 lset trade-record-current lput(timer) trade-record-current
7 P* | ]: E- |; ^; V$ _/ b7 L;;评价时间( b/ c0 f5 j& k$ p- f8 \
ask myself [# ^3 h' g1 F9 e7 d
update-local-reputation
. ~9 q E6 m5 ^6 ~set trade-record-current lput([local-reputation] of myself) trade-record-current
1 ~4 ?2 [" G( U' F( O]
9 ~ ]5 _8 b) Q1 k8 sset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
' x2 T- ~1 i9 p# Z, G+ F; K% V6 s/ ~;;将此次交易的记录加入到trade-record-one中$ l, i3 a$ e e4 f8 P+ N8 f
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)" j% z. d) @* y0 D$ \5 M( V
let note (item 2 trade-record-current )
. p1 h8 A5 z. [- ^' O" ?set trade-record-current- T+ f" `2 O. q/ Z6 [
(replace-item 2 trade-record-current (item 3 trade-record-current))9 i% K L0 z! ^8 O' ?) C
set trade-record-current
+ g9 p, h0 b. t+ o& u(replace-item 3 trade-record-current note)& a, d- a' N7 N: Q( B
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ask customer [, O# u/ a1 a% k, O0 o/ B+ \& c
update-local-reputation' C( C$ F- X7 k4 _
set trade-record-current
/ V+ k$ r' ?9 b(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 6 t( s1 y4 P$ A+ p1 d
]
3 B" F0 |3 X" [/ M) S% i; G2 ~) o1 K4 q- s
4 i) Q$ u2 W, ~- K, e5 cset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
; r8 o& k9 A3 C1 z
0 g2 m+ _8 d1 E: j3 Z, Rset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
4 s3 M) c; `, G/ P' @;;将此次交易的记录加入到customer的trade-record-all中
9 k b( r& m# D" Q( ~2 Cend8 m% W& p7 _9 }! r5 E$ T9 @3 j
+ t! U. t7 \+ s( q
to update-local-reputation. L. F. |6 I5 t; y2 D
set [trade-record-one-len] of myself length [trade-record-one] of myself1 i4 C# a, O; g: @ d0 u0 [
8 E1 S( y* \! L
6 u# H6 `1 X# B* Q* g j;;if [trade-record-one-len] of myself > 3 6 U y* s4 C. r5 _ n X) K" {
update-neighbor-total
0 @% f1 I6 {6 K+ g: W' Z6 r;;更新邻居节点的数目,在此进行8 i6 K! a5 Z' e" b! [2 f
let i 3
B; C" p* l& O/ \8 wlet sum-time 0+ U8 Y; [$ z! p0 _) l! _
while[i < [trade-record-one-len] of myself]
0 t( D+ Q+ y; {2 Z& ]' G[
& {2 T4 {0 i2 I* a) \1 nset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
6 ]6 X3 X, a) k. Jset i
0 o3 R# ^' @& z& Z5 Q5 `3 X( i + 1)
. |! O% u7 V" \9 `/ ~% G u]
' N8 s- @; ?3 k4 r: R1 `6 Z; @let j 3/ ~8 B- t4 `$ N) \
let sum-money 0
$ ], {7 P5 y* `while[j < [trade-record-one-len] of myself]
4 F$ c- s( s |5 W1 ?6 b[- \/ s. F# e9 H; M) c5 m) z
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) |% |9 j+ A- E! ]
set j D0 S0 C7 d6 h& X' V# |
( j + 1)
$ ~. w! {2 X( f]) O j8 z* p# E' ]
let k 3
5 q2 \( @) M+ b& m1 tlet power 08 \, Q" [8 A; U- ? V5 }8 T
let local 0
2 s( D4 ]# }) w" o: A$ kwhile [k <[trade-record-one-len] of myself]. _6 p/ m+ U+ @2 I: A* b; K7 c6 h3 `
[
/ N. H# y3 C- r3 v5 V Jset 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) 7 _( A0 ~% X w& O
set k (k + 1)( Q/ b: U2 _, e# D$ M
]1 t2 b6 c: [$ L5 d
set [local-reputation] of myself (local)
' a0 ~: Y1 x) ]8 Q0 zend$ Q8 |+ u# \% `: Z z
4 U: A; A8 t* L% K0 Bto update-neighbor-total# X' s/ o J* U6 G
4 a0 @7 ]" r8 f S
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]$ l# \, r+ G4 L: }1 q( s
1 }; D- y8 F- m" O' V& v& T
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end
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to update-credibility-ijl d& J0 X5 K- n. x" ?) E6 O. O8 Z
: K$ T6 Q, B, k$ U* 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。3 N7 S! P: N( V
let l 00 u- i( H- q. R6 I
while[ l < people ]
% y I# Y, [( \6 D;;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 G2 j) d3 ]& d {6 w: g: U[
! K' ]4 k; N/ g: Llet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
i4 g5 r0 L: ?3 c4 v3 `2 {: c% \. ~if (trade-record-one-j-l-len > 3)
! f N% H* B, a5 B/ Q' T+ n[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
8 j4 N( ^" t% f& @/ N2 @6 Blet i 3$ j. g( K5 u% b' Y
let sum-time 0, a4 W; }) f% d3 {8 ?+ ^+ W* X
while[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
; O4 A) H6 F! k: hset i& Y, h6 `3 D7 @4 m
( i + 1)( a! @8 ] H' [$ E; b
]
: _4 u% r5 n) t' j7 }1 |$ x' b3 h3 slet credibility-i-j-l 03 n5 j6 y/ [. _. S& F2 ]
;;i评价(j对jl的评价)
9 V$ v' H( _6 ^let j 34 W- W5 S- \& M" L# X3 T
let k 4
. i# ]9 S9 O1 {. {; d0 f/ kwhile[j < trade-record-one-len]
. l; P1 t; b! Q) D0 }) r* z[
) ]- x/ E; I/ ]) b i, n5 m- mwhile [((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
% v2 m; k+ M+ g; K% n7 eset 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 T5 u; F4 Y1 o% t8 xset j, E1 b5 u/ A4 h8 j& j. W& J
( j + 1)
" i& }( `& Z- L, X% _]5 v, }4 N& y/ u( @
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 ))
$ g2 ?% _" O& M" I
" c/ `/ }6 ]& ~9 R9 s5 ?7 Y# Y5 S: _, m
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))1 D) y$ {3 G& E! }$ x
;;及时更新i对l的评价质量的评价9 x4 F4 w' n1 n7 P# d9 _; g" h5 e
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]1 d# ?: R$ U# }* Q
set l (l + 1) b1 A- C( o/ @1 `
]
N# ]- d9 X- _' I1 h1 }end
+ `- e0 g( J$ H. K4 w1 H w
6 F+ B' J f4 y, \: Y7 j: ~0 l3 P8 nto update-credibility-list
; m. E3 `: [7 F e- y" L; tlet i 09 d6 L% g7 d ~
while[i < people]
7 ]4 Z( S1 ?) S5 A[
5 u# h, t* d" \let j 0
z. b+ a' E6 s2 ]+ M5 k3 ^let note 08 K; ~6 z; D( H$ ?8 B0 Q
let k 0
$ u4 y8 ]0 Z; |. Q3 m* T;;计作出过评价的邻居节点的数目4 Y3 K- [* Q% J _: V
while[j < people]" o. y0 s$ S# t0 e0 D
[
- {/ {7 p" L# O: f" dif (item j( [credibility] of turtle (i + 1)) != -1)
! e: k) A* Y' Q, Z/ A2 A;;判断是否给本turtle的评价质量做出过评价的节点5 U4 g) {+ `: I' Z( O" q# m
[set note (note + item j ([credibility]of turtle (i + 1)))$ i: O" G5 V4 m- [$ Z6 |
;;*(exp (-(people - 2)))/(people - 2))]7 V' c. r) e% Q4 n5 b# G
set k (k + 1): }9 h7 |5 r1 o/ t( j9 Z
]+ ]$ f" M% c- v0 ]. I1 F
set j (j + 1)3 u! @- w' H S) x8 I% `5 L
]
4 k8 f0 W8 K6 r# \set note (note *(exp (- (1 / k)))/ k)' a+ R3 S6 k0 { f2 f1 ^/ D. f
set credibility-list (replace-item i credibility-list note)
?) Y4 g) k7 P! T, \3 E: U- oset i (i + 1)5 g6 h2 p9 \, @
]9 Q. L8 r4 @' Q0 \2 c
end
) P+ t: L0 e2 f/ U) A& `
0 j' k' y; e6 f1 d: H) w4 V/ Q" Lto update-global-reputation-list7 g* A5 o( x9 T6 N; t# i+ e' N
let j 0
1 {) h. |+ j# V' K( hwhile[j < people]7 f( _2 ?' L4 a" k
[( a# P* k6 i+ B1 A+ ]3 y5 Q4 I
let new 0( w( S9 S k' F4 J/ `
;;暂存新的一个全局声誉3 A/ \# ?) U5 I8 V$ t; y
let i 0
8 c+ j* C) T6 N1 ^/ |1 T! ?! e Alet sum-money 0
8 d8 x0 _2 C" n9 Z" O( j. A) f. slet credibility-money 0; w4 e: C, K. `5 g) F5 H3 ?
while [i < people]+ J! t+ O9 |# N' F
[# }0 W1 j- b" ^4 F; g( Z1 K/ @
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! b4 R) E/ o" l, K4 p& A
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
+ p) W& D/ f6 \: _( s$ D- zset i (i + 1)
* T, G: u8 T' w( U/ G]
+ Q3 { C0 n L4 w% slet k 0
4 s2 b6 R# l8 c9 {& Olet new1 0
- t8 k }1 L* e1 Hwhile [k < people]
% T8 q1 e) N+ b& F[
8 d$ |* w, `2 B0 J# u. Lset 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)" [& V: E' C1 _- a, y- X
set k (k + 1)
( C7 V" ]& s$ c- P]
J0 S: u; ~ z/ @# {/ A' xset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ' r C# i# C" ~' N& a) C' _
set global-reputation-list (replace-item j global-reputation-list new)7 k5 Z% }9 [7 [- J5 j1 h. s9 x- a
set j (j + 1)
/ A& f1 U7 y* Q! w]
+ @0 H8 R) ^+ i i; J& W' S1 S3 Pend- P! D4 d1 D5 T# C# n1 Y% j6 D
8 N- T' e1 N4 w5 n2 G5 E# M6 E( @
; G b! N) J# Y% d* n% h
/ d$ D/ g7 O& x: ?) b- D1 H& m7 eto get-color
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; u1 P9 h% j/ \5 J+ E) vset color blue$ T, R D J' R0 }- z+ j
end
, g+ V7 T! y; q" T
! y. F) v, l. R! Nto poll-class
# ^6 Z% h0 x2 K" |$ e; k6 o wend
$ F4 l% h& p. K) I5 `! X9 Y/ @. v7 U) i2 l6 L3 R# q
to setup-plot1
7 `9 o0 @# [" ~" U7 ~) {% C& C
1 a8 ]6 G6 g$ u- ?2 w( }7 }8 Jset-current-plot "Trends-of-Local-reputation"% n/ A) p2 r! P" Z. C
- [: Y7 F% l4 V
set-plot-x-range 0 xmax! x1 K( w4 ^$ O2 C
9 E0 N4 U m8 V4 j' f. ?
set-plot-y-range 0.0 ymax
. P+ h, k4 Z; r9 K! I" d Aend
4 _- u5 N- w! G4 c L
: `1 t# b( r, R2 y% mto setup-plot2
8 l+ u+ W! U6 O' W5 U$ ^0 _6 t+ B- }5 t4 {1 M% e$ r0 J6 k
set-current-plot "Trends-of-global-reputation"
- {6 R' F- i3 j- a4 i# I% k0 D. z8 g, O3 F* `$ }0 x
set-plot-x-range 0 xmax
! q0 m" H7 m- a# P% Y- o" t, N t* x! y" ]7 n6 D. Q
set-plot-y-range 0.0 ymax' {) f& ^" [% V( ~( W6 @: [
end& Z0 p* d- e: C& k; U! u3 E
0 Z! g3 T3 l( }: B3 o; W( Tto setup-plot3( j; b, P7 Z; S
$ `7 W" I4 ~9 M9 k7 Qset-current-plot "Trends-of-credibility"( y$ T1 F! M" H7 i n9 s
+ j7 R3 j* e% W: {0 mset-plot-x-range 0 xmax" h9 I/ {4 u% _4 F0 q$ x$ P) P/ E
) G; ~( q& q' [* g8 vset-plot-y-range 0.0 ymax$ P0 H' N2 x N0 V; j* B5 ~, n
end
$ o$ D; y- K, {' Y2 i4 u7 Y! [" ]7 K) r2 J/ o2 E
to do-plots0 F4 u( j. r) |# l8 G `$ J( u
set-current-plot "Trends-of-Local-reputation"9 C! D1 B( J5 I1 `- a5 |/ _4 g
set-current-plot-pen "Honest service" ]7 @! O6 e7 ?5 U
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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