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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: C% Z5 q2 m% _* g2 e
globals[- N7 B1 e* U9 R) |! K Y
xmax
k: Q. L. n, d- f2 mymax' k9 G- O& c- k8 X- n2 U0 w
global-reputation-list4 X/ j! U1 I7 O) s8 ^) ?4 Q
% k8 P. a6 j, t+ N2 W% A4 \+ T;;每一个turtle的全局声誉都存在此LIST中9 J0 |9 x3 O- ?9 G8 ]8 _
credibility-list
: x7 m* M" f9 `* [/ V;;每一个turtle的评价可信度# I) `9 `' s( O, z4 x1 T
honest-service
$ i0 I" v2 k+ p0 H7 runhonest-service+ N- z. | N( a1 l1 b- i5 U9 I0 N
oscillation" e! ` x- F( \9 z$ e
rand-dynamic5 y( P7 Y; a0 Z/ K+ \: C
]7 ?7 R( h' Q! a6 V
+ ^4 p) ^, l7 w! h" ^" @" {9 Iturtles-own[
4 {9 K7 \( _' w5 d. ptrade-record-all% t2 G5 o% P" G- T A
;;a list of lists,由trade-record-one组成
# `0 z8 F9 x Z) ]& G* g1 E: mtrade-record-one; [ }6 i+ R# w4 @# F. a% O# D
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
! w9 H! [3 ~1 [. G# q% F& N0 p. p' a8 [
;;[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]]
+ T) Z3 v2 m' t) _6 ], ytrade-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]" r- ^1 n: N m/ J' a
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; s* B0 @! Y4 J, f. o) K o9 ^
neighbor-total
% a4 E5 ]% u& D* o;;记录该turtle的邻居节点的数目
6 k# b+ y; ~7 z: otrade-time$ X1 i: [- o6 x% T! s
;;当前发生交易的turtle的交易时间8 y5 \" V# i8 @2 ?
appraise-give
3 \9 I7 D% C! @$ K7 k/ {) {6 w;;当前发生交易时给出的评价
+ e# a. s& G I8 x4 {+ R0 ^ kappraise-receive9 c. Z) W/ t1 R$ W5 E" ?3 B& `
;;当前发生交易时收到的评价
9 Z) i8 Z0 V! P6 [9 ~) t- e; Nappraise-time" u; r! a! b% W( ~8 b& V
;;当前发生交易时的评价时间8 p+ K' o: f* y2 ~ e# g0 N" n
local-reputation-now;;此次交易后相对于对方turtle的局部声誉! M7 I+ v$ m& m- L' J5 G3 R8 a8 V
trade-times-total3 p3 z$ G2 Q1 i; g$ U/ S
;;与当前turtle的交易总次数5 @+ K7 l6 L* y" b5 t. H
trade-money-total
) n! e# H. ]; ~( G/ J, B4 K7 ~( A;;与当前turtle的交易总金额
) \8 g# F3 R$ i# s/ D# zlocal-reputation
- P3 M( l% F' g) O9 r" {global-reputation
- x5 x( y- N2 R/ B# N! w/ v5 Kcredibility5 ?0 ~+ {* P1 B3 ?0 r, L7 @
;;评价可信度,每次交易后都需要更新
# _( P' @/ z8 L) o' qcredibility-all' _6 A2 q6 y `" ^ y# r
;;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 A3 e0 q! @: H, E
4 h: v$ R2 c; f! k2 ]: @;;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
) g6 ^5 U! l# X3 I" ]8 h6 j$ w9 g" Q4 ecredibility-one
/ _, `% m$ R$ w# V, c% @;;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 L7 u" _, C4 q8 K
global-proportion* C% v2 y2 D' G, V3 @( z
customer q7 ]1 ~; m% A7 Z: S
customer-no
: i9 S/ g' f1 k* @& u, k5 Dtrust-ok
& F' U2 r) K _* p1 t: J5 Ztrade-record-one-len;;trade-record-one的长度. @. J( q: e' H7 q6 o
]
7 C5 D* a4 D0 ?1 i$ M/ z) k2 k3 V: J+ p. _( X/ E
;;setup procedure) _3 e5 Z5 L% i' p" l) ~+ R) L
* k0 w X$ q. D/ Z
to setup
0 C9 N- e2 p! }6 k: [# [! E, A! I0 x, w
ca: M$ _1 u/ ~3 A( s* N& ?* f: m0 g
6 d; y; x6 c. ~8 m( l6 {
initialize-settings, }- J0 @, L! L
- Y0 Y' c* V- R1 h" m- }crt people [setup-turtles]8 d6 ]& R9 W# W% R3 K) k- Z( v W& S% s k
& n6 e9 h- y5 o0 V, |
reset-timer0 Y& P1 n, ^' v- {/ |$ p
. n. E& u) T! J# [( R: |9 x f' L6 K+ npoll-class1 p- M0 O, R7 B
; x% S; m3 @3 u( k6 i8 G& p6 f! g8 e
setup-plots
3 a" A9 P# l% T O) P& w" X& q# B0 A ^% u6 w2 C9 |" L, L% H
do-plots
% y B5 f+ g6 Pend
7 @- q! [) u% o/ n. e `$ s+ w" G" m2 B0 `! g! Z7 Q y
to initialize-settings2 t" }, k4 O# o
! a5 c' w+ i; N; k5 M4 o- Xset global-reputation-list []
- Z3 M4 M- L8 n" ]3 B; Q1 U
9 V8 L6 g% M/ P$ c% g- J" iset credibility-list n-values people [0.5]
) R" e" h4 p+ w0 D6 i) D
/ K+ J' ^) ~1 P) Eset honest-service 0
) D8 ]) ~3 ~3 j6 v5 p0 I% {. f' E. P. ^% P, F
1 A g/ {1 m) O" R( Q9 `+ iset unhonest-service 0
3 e& c8 t2 N) x- [! `: s+ D0 t5 c7 r2 B" r7 c! i
set oscillation 0
$ _1 S+ q0 A2 V0 Y* B
0 U" j* p" g9 eset rand-dynamic 0( N" q4 f7 ^3 q9 @+ ^1 c1 D/ m2 z
end
9 d9 h, U# A4 d
: y/ g9 n( g3 l T- O( \. ^& Fto setup-turtles 0 J, c, b. D) l- G3 S( A$ K/ Q
set shape "person"
- e# p. V6 \% Qsetxy random-xcor random-ycor1 L) I% z$ O% h- s: E$ F0 @ J
set trade-record-one []
1 n" S6 c: \5 K$ F1 l# R, u5 f2 @9 C2 ^: x. @
set trade-record-all n-values people [(list (? + 1) 0 0)] 5 |& C" G- w1 c
$ V" b" k/ s' V. ]7 u. s; [9 \" N7 f
set trade-record-current []
# i0 V8 I3 i; W, f) I! _1 L0 B' ^set credibility-receive []' D N6 [2 s- G
set local-reputation 0.5
# Y4 P( _+ ^; ^; ?! L. Vset neighbor-total 03 b7 \$ L4 ]6 }% Y$ t( @( Z. {
set trade-times-total 0# T2 z# c8 T* a" S( c
set trade-money-total 07 Y* W7 @3 r! y
set customer nobody+ B. b8 H! Q, y
set credibility-all n-values people [creat-credibility]
* ~ t$ k, V/ H& Q* ^4 Tset credibility n-values people [-1]
+ }% S* G2 @0 A7 mget-color
5 S; |; e' R% d
8 o: ~5 G' ?1 N ]; Lend
9 s7 d, L( P- t& K
9 {! c7 s( k8 C! ~2 U% ^9 F7 pto-report creat-credibility
q L, a! u, ]$ V: ?, C* zreport n-values people [0.5]( E+ @; A- {: ?7 g e) C" Y
end9 _, t) T/ a o. d5 }1 L
+ w5 v8 J; U4 tto setup-plots; `( F6 \8 [0 I1 \" {: i5 I T
/ a/ K- R" o) d0 qset xmax 30$ D1 v* Y$ P2 G2 \" _" X
* K6 q; R9 e4 y2 V
set ymax 1.0; ]5 h: ~; U4 s- Z- F! E! T4 u; S
" @1 J+ S, f6 x3 x: R9 _- n f; \clear-all-plots- y; a0 ]) F* h. H& X9 ~; ?1 a
& m5 ?: \- s7 n6 L0 Q* Z2 q, o6 l
setup-plot10 W5 Z$ j+ s( G: F
2 [6 N! K- i9 ~* U U) d1 M
setup-plot2
8 S, i' v4 P# y+ b! @, _
0 j" W2 B' ?7 jsetup-plot3" R9 m. p2 E8 F& P7 z
end8 [+ l. p) o- B0 A/ `- v, }
7 s: P) a+ T. o;;run time procedures6 b6 k( t# m9 J9 s: t
( n. K/ ]# I8 d$ H2 s# X/ Rto go
9 x9 N5 n, ~& w& O# C4 a; _+ L2 H1 G( x4 ?3 o3 a$ G" O$ K
ask turtles [do-business]) Z9 [$ s' Z" W+ ~% H, E
end
, x' x" d7 R$ d5 u6 N" X- U: _- f/ D4 T3 ?$ }
to do-business
" h: Y8 Q- ^8 t% b. G: M- U8 B$ o9 n- Q3 i! o" y; J, s
- V8 F" W& e5 s7 E2 e+ M/ M; k/ l
rt random 360
9 q4 i Y: U0 Z' U+ X8 e( X3 I
" i, t' q1 s$ j4 yfd 1
" E+ E; `0 `5 T6 d7 J. m: U; X( P! M/ a7 ^) }: l
ifelse(other turtles-here != nobody)[0 l4 W) S7 u" G) V
6 k% O: b. K& ~( u9 m5 ]# ~
set customer one-of other turtles-here, ?" K, Q: i1 L* p9 M
. M( S7 F, _: U9 t; x2 B3 Y
;; set [customer] of customer myself
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t% J2 h* |# `* d5 Bset [trade-record-one] of self item (([who] of customer) - 1)7 N: n0 L3 i5 h) m- w: w: z
[trade-record-all]of self7 |. i$ t/ F3 A1 V
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
. I3 q+ V0 l. \1 e# s6 M
) o6 y& F _2 v8 S$ X) g/ o$ Cset [trade-record-one] of customer item (([who] of self) - 1)
8 Z$ |8 M( @: j) g2 h# K. F- |) F7 B[trade-record-all]of customer( r" m. C+ P. Q$ y& @/ j
9 c; o" h) W. u3 Y; j( p5 G* w" C
set [trade-record-one-len] of self length [trade-record-one] of self
) Q5 d. K( z4 Y* I0 {. _( T3 [/ B2 F7 q+ c% V
set trade-record-current( list (timer) (random money-upper-limit))) Q( j4 [5 j( u( i
2 {# d; G9 t- j% p
ask self [do-trust]
& w* b2 |& W4 l, v. l, I5 G- m;;先求i对j的信任度, U. R5 e' x4 n' ?" T
+ H9 Y& I' I% ~! q" C. eif ([trust-ok] of self)
' k) Q7 A" W1 R! h0 W; q;;根据i对j的信任度来决定是否与j进行交易[. L) z* R7 I0 d$ O
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
& z# @& x7 d; t$ ?% V; C' [/ o. l4 Q" i. S
[2 k( k) R; d( {! E c: V: n& Q
, E2 e8 q& t2 S3 V& R" P5 r6 Qdo-trade( q( `7 B0 r& m: r- |5 ^
9 W% \' c) P: k- Dupdate-credibility-ijl" E: o, i# J" p; c( T
( Y9 v, X* Q+ D+ ~update-credibility-list
9 s& Q" z8 ?$ o' r( h" W- y% B% u9 u, l" L
9 K3 V2 ]1 z2 g4 I6 m* l
update-global-reputation-list: E+ `" d. F* p% x' D
. g: h, b% C T1 d3 e. ]. r
poll-class
u7 Y8 L% Z/ y# g/ x( @8 R
8 M- I8 `, d/ b1 O/ ]4 sget-color. k0 q2 Q8 }3 Z* i/ u
0 c. {# R6 n! @* b]]' ~% o* F% W m# {, O$ \/ F3 A
: e1 [/ Y, c2 ]* g;;如果所得的信任度满足条件,则进行交易 P4 W" K+ A" P: V8 h
7 j; B$ ]7 q: ^
[
+ V8 A7 h, t& M( O* s' r3 o8 H+ q6 @0 V ~: H; X+ _2 {
rt random 360/ k0 N$ o! ~* k: i7 X2 ]
( l2 i- t: i6 n" n' A5 o! S. `
fd 1
4 g+ \# P$ I; A( m( X6 K& }" ]( o w' e3 r
]
7 }/ \0 g6 \) l1 b3 f; c
+ d W+ H! l. }# i' {/ ~8 Aend
" w( f6 @5 f9 u3 r$ E: y$ c6 k& j8 [) y1 B2 O. v) T) Y
to do-trust % Y5 | O$ {. W! Y3 D
set trust-ok False
6 m4 ^+ Q2 f6 i) Y8 Q( L% k: U, ?( G) M8 g8 P
. L2 d& r1 J% |; B+ Tlet max-trade-times 0
5 k; x* t; a t) Oforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
& g* Y) A' r$ q P0 `0 ]8 ]' Blet max-trade-money 0$ Q5 @8 J9 m6 {' k
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
9 N- z* C4 o. e* |% ~6 Qlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))7 E. W/ _5 Y6 e7 j# P Z
4 T: U& A" z/ b1 }: c
. J" e( o; y5 |+ iget-global-proportion
; \2 t& E! p8 f2 x/ {/ f) Olet trust-value7 g. n- y9 ~- H/ N# I! q0 E9 B
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)0 @: @. c1 k' e4 ~
if(trust-value > trade-trust-value)
& ?# S8 B% S$ n" I. b8 y[set trust-ok true]
* u9 s- O4 V. |" zend
0 S7 Y2 ?' J; e% ~) T
% z+ t) u! d, j8 b' ]to get-global-proportion
) G2 v% Z+ {9 ?$ j8 {6 A0 E- t: `8 Lifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)- Q" V/ I/ B( s
[set global-proportion 0]
: q1 h P) }' Q- G+ X4 s[let i 0
; U6 H; t, F) h5 Z1 P9 h- Ulet sum-money 08 U" x4 r" p* c5 d$ K$ F. R" J
while[ i < people]# [$ A% Y0 R. H' E6 a) z
[( D0 `9 R& F9 K2 Y1 d9 h5 J/ p
if( length (item i x* y8 L9 E4 v5 v5 ]4 x* R
[trade-record-all] of customer) > 3 )" U3 O1 Y6 |# u" D& _) G
[1 f* p& A% J" {/ z6 E; n
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))( c& b5 A# U' B. V9 o
]' u( }% G$ b8 j4 D3 S6 W
]7 }+ b) s+ B- k6 ^0 p( s$ T
let j 0: T" [% a# G# A; B: ~8 l4 {
let note 0; H" K# L; \6 d
while[ j < people]
' f2 a5 [5 F) c6 a8 S$ G[3 z, S' p) `/ G
if( length (item i
4 f: y! w y4 e4 k4 w5 C! G4 S[trade-record-all] of customer) > 3 )
5 K0 p9 B7 r& Y. a* F[: r$ e5 K% k3 S; M' A0 r
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1) Z" E" ?; S0 @& J6 N; C% K) e
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], A. K% J* T+ [; w* B* |) E `
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]( ^3 U' }: E8 d
]
6 z( }6 i# U$ ]' _) ^2 t( ~]
/ ] I, i4 e& q, l ]4 Z6 j# fset global-proportion note3 D. B y' r2 d% p% S
]& l% x9 h( ?7 M- ~& g2 r
end5 u/ i$ `2 ]- u4 ^
% z% R* @7 `* E8 U/ ^$ G. bto do-trade5 f- J5 O4 R d2 J% L" \
;;这个过程实际上是给双方作出评价的过程
I# w8 ]( V- o# S5 h( I4 O% aset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价- ], l- I7 j) h4 T1 c3 X( o
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
# @# R2 Z1 k$ ^8 `set trade-record-current lput(timer) trade-record-current
9 G: `& }6 L; I0 X;;评价时间
) D9 {+ L9 S7 t! e* yask myself [
: w8 r$ ?$ r& [' tupdate-local-reputation7 x6 A# ~" q& R& [* G6 k# w
set trade-record-current lput([local-reputation] of myself) trade-record-current
3 L P2 [3 U. b]
8 L% `0 {5 Q) ?% K' Hset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself" v$ Y9 T* Y2 ?, D5 l! o
;;将此次交易的记录加入到trade-record-one中8 t, g, ?: E( q- \9 D$ E
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 V- q1 T6 t' [let note (item 2 trade-record-current )1 g3 v& o& m3 l7 R9 ^
set trade-record-current
+ a' E! ]7 j1 r5 N" L(replace-item 2 trade-record-current (item 3 trade-record-current))
" O% X1 z, q/ u Bset trade-record-current
7 I0 D ?( a8 K; j(replace-item 3 trade-record-current note)( H+ Z& N$ n6 u1 I1 ~: h
1 Q* C( Z3 W [
8 |" H k T& {$ P) `
ask customer [
6 @7 b# R: `1 m( o `8 [update-local-reputation
" ~1 F5 J9 b% n c9 L; Dset trade-record-current# P1 i& \/ e E
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) , Z( g8 L8 I O2 R4 B6 d. a; _2 ^
]! }% x9 d' z9 x- H
# Y% V5 l D' R0 s) S4 G9 p/ E" L
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
% } V" S [" }, c
2 ^" M7 f) {* w( {# M9 U, X) bset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
: ?2 k/ M c8 r1 Y, ?;;将此次交易的记录加入到customer的trade-record-all中
, W0 i$ M( H5 z) w& F, m# b9 U9 jend1 R; z; P" ?3 A/ X- |
! F7 e0 W2 }1 a _. N& H3 fto update-local-reputation: V) m* v* x" g _
set [trade-record-one-len] of myself length [trade-record-one] of myself
9 ]/ j1 \; A) m* Y! M: o, H
4 Q0 m+ B @/ O/ S7 Y/ b
* ]/ y' X, q5 C5 E ?;;if [trade-record-one-len] of myself > 3 + @, h1 l0 O6 J2 _9 o( S% D
update-neighbor-total9 n- j6 P) W* p2 E
;;更新邻居节点的数目,在此进行" P, Q1 I# U5 y1 A) f" m9 y9 ]
let i 3
* j. r$ S- o" k/ |: i' Mlet sum-time 0
5 ?4 ]0 P: B+ w$ ^! b3 ^while[i < [trade-record-one-len] of myself]$ `. w! Z1 ^1 i3 _9 P- }* I) ^
[
" L `& T* P( P2 i: @% kset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
- }; s# G+ Z6 L! d+ i5 w4 xset i5 P7 m( ~$ o. q: M6 g; g1 _
( i + 1)
, @( M& z G2 o+ \$ N, ~& T3 m, C]
! v5 P8 Y; Z& Z r6 _# E8 V7 Mlet j 38 Q2 K- }% I9 ?% l$ i: l
let sum-money 0; x( Q" w F% Y- f- z
while[j < [trade-record-one-len] of myself]5 T+ G2 G# @! J; ?, @ {
[
' U) z3 s- D! k1 z5 H- J$ fset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
1 c% Y9 w2 U/ U& ~set j
- C3 h( q4 H6 t: V( j + 1)( h: J1 Z' ~ i0 D/ j
]
5 o2 x2 t1 `6 [( Z( v$ @0 plet k 3+ ?. n3 |( @0 k% I0 D% d
let power 0
/ e- k* _& H% |4 Xlet local 0
7 t' H `0 A8 ~0 K$ ywhile [k <[trade-record-one-len] of myself]% L4 {+ d# H- X$ C( w
[2 Y5 L0 k1 O& } ]6 R/ B
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)
: M9 n h& M4 v6 P$ |set k (k + 1)4 Q/ H7 l* \" _6 v3 t
]
. b1 v- Y4 g# u3 T; c: xset [local-reputation] of myself (local)9 s7 A( D9 Q3 J+ E- L
end
5 d7 c) C9 a! U% S
' [0 |0 t; K5 G% D2 Nto update-neighbor-total
* A5 B- U, x2 n P4 ]9 q8 S$ h2 T, ]3 L S
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
$ H1 Y7 G$ o+ x% Z" J1 Q
* t) y v/ z- ]6 F: ~5 i
( Q2 f- m5 Z& c% \. U& Q8 Iend B6 s+ E( z. \$ ]0 v( O y
2 Y/ m! A& x" i: G3 t% K9 M6 m- r J
to update-credibility-ijl - D$ [7 D% A% o, k" ?- F
t+ v+ J0 n6 \, w. {4 {;;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。: ?( `% j3 V/ z/ O0 K$ W
let l 0
# T' u# ?! e8 w0 J( R; o. I5 iwhile[ l < people ]7 T: t; B2 e( {) s
;;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8 S/ w% c# d4 R( V; y6 P8 p
[
( m2 G5 r; v0 A; `& e- e7 elet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
0 n5 v9 n! o5 L2 _if (trade-record-one-j-l-len > 3)
4 n9 K& A, _ Y- U[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 N! B. W$ q0 U1 u X: n. h: M' z& Clet i 3
! a* }4 ^# `( Zlet sum-time 0
0 N9 ?. V7 u' s* l7 rwhile[i < trade-record-one-len]
# d" H0 N3 b, Y- l, E# O6 |+ q) Z[
9 s0 R2 R3 Y6 {$ e; jset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
: B& P6 ^( F2 s& zset i$ G# T2 H9 h3 Y2 V1 R3 ]: n
( i + 1)
* P" |# I+ |) N5 n# r! z]% r9 @4 L" O* ^1 k5 y$ s; D! a
let credibility-i-j-l 03 V" W. Z1 [ }. E- [; Z# F
;;i评价(j对jl的评价)
6 t8 G$ g# Z2 i6 I& Klet j 3
7 P. Z8 r J( @6 ^) rlet k 4+ G2 i+ r! O1 K) \7 I& R
while[j < trade-record-one-len]
1 ^, U c$ d) d2 x6 \/ \[
# l& X. ?. F7 q! Rwhile [((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
o+ I+ s, F( N" O, _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)
* ~* C) E0 R6 wset j
, T' s8 L5 ~" Q$ |( j + 1)$ `- G* w7 O; {! F
]
3 \- M* ], r6 `" {7 rset [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 )): Z9 M% z& L4 Y, N
9 @+ Z5 p9 J( Z5 R2 a- Z/ ^
: `+ y1 }: r/ ]0 plet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))# C0 `* b" h h+ x8 i
;;及时更新i对l的评价质量的评价
2 y8 T/ Q# p) A4 E5 cset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
( U. c d7 h# e8 _set l (l + 1)
7 ?) g9 s+ B! ~5 X! W9 _0 B5 n]3 p+ L5 }* D( L. ?* [
end
4 ^! C1 v' t) T. C
9 d/ L/ E" b: O# V4 b# d5 K) v2 t1 zto update-credibility-list
/ G! d5 J/ Y( P# Qlet i 0. H" o$ [1 H6 c4 r" q
while[i < people]
. O* u) V* U0 T' W' m5 i[* L$ L% j6 q3 H/ @0 m
let j 0
0 c( K+ O x6 P% f6 Q( h* k' e. rlet note 0# H7 u. p% X4 L; ~, Z
let k 0, f5 u D5 Z# w
;;计作出过评价的邻居节点的数目
& A4 z& v9 I" @while[j < people]
1 k7 D: L3 X' U d1 H$ W[
2 d! \1 `" m, j2 Iif (item j( [credibility] of turtle (i + 1)) != -1)
3 h0 `2 A4 ?* ^0 Z( a% {;;判断是否给本turtle的评价质量做出过评价的节点
- y7 m6 ~& D8 ~8 ~5 N) \/ T1 ?2 K[set note (note + item j ([credibility]of turtle (i + 1)))3 _5 {/ W3 i& T2 x
;;*(exp (-(people - 2)))/(people - 2))]
; n1 D4 D, _7 {* C1 Yset k (k + 1)
k5 r9 ]4 p. A4 ]- L1 l2 []
4 j' I4 r+ K! a5 Z2 c9 {! b, rset j (j + 1)
! z% [/ R, R+ L( R! x0 r; J: J]% B9 |6 j! ?% P$ V+ Q3 \
set note (note *(exp (- (1 / k)))/ k)
: ?6 c% b7 L/ Y5 [* [* `+ _set credibility-list (replace-item i credibility-list note)
" w# V1 @# @4 }( v* Zset i (i + 1): ]0 o, A4 ?- @: w' u
]
# S# G6 l; O& F( g: @# s3 y7 p5 qend- @6 o& M2 k: h0 _& N. \* R! ~- N
1 h8 y* s$ D- l) z8 I2 [+ t% k
to update-global-reputation-list
5 U M5 c0 R% _% R7 _( T6 Ylet j 09 @5 D8 \" G- O* d
while[j < people]+ U6 m3 i8 M9 @+ ]
[
" z, J, p/ Q* N6 [let new 0% l" R7 o% K e
;;暂存新的一个全局声誉1 Y5 E# @8 M6 M$ Z, J6 r$ C8 X
let i 0
: [/ w' `& g; U: I7 w, I. rlet sum-money 0
* r- C! c% I) E2 O: qlet credibility-money 0
+ w' X( I. q) M r7 q8 swhile [i < people]1 ]& j2 [ w2 f1 X# ?+ m$ B2 v) V% z
[2 g2 B4 c% H S& I! [
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
5 H' u$ o! e( sset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
: ~5 l6 O7 N( p5 q. j* ]. {set i (i + 1)6 n" n/ ?, V+ x$ Y. z4 h1 x$ n+ Z5 m
]% L0 G: N+ I8 U. [0 u6 ?) J
let k 0; t4 Y- \3 b- j+ k3 Y7 P8 A
let new1 0
# D2 f q+ l4 J! x8 K/ k3 Hwhile [k < people]
3 `8 s; y, b, O) z, v' h. ^[, I, A8 H2 E( k& r2 B0 m9 c
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)5 V$ C+ V) N% S. M' ?0 @
set k (k + 1)
2 P/ ] N: { r]
H; s, f) |' w" V! Wset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) & @5 B/ g2 C2 G) Q0 D7 H, b' [
set global-reputation-list (replace-item j global-reputation-list new)
& \/ {. R) x& j: c& N* `8 Q, Qset j (j + 1)4 X0 Q$ C9 [9 A' a7 h
]
+ n L2 K+ r, H, T2 send4 k; \* H. Y" l% T" a' n) W
7 |) y6 `8 l R0 y0 j" v; D7 c* V- }0 O" i2 s! j
1 {, }- g3 y, @, [$ n
to get-color, S7 `. J7 C+ w9 ?) a4 R3 C c
( H* a! J4 B6 k' o1 A1 J8 B
set color blue
+ v3 b9 _7 X# m0 r1 y1 jend( T: |/ Q# N7 f& a) v; n1 y
) N9 r2 f2 s6 Z+ \1 t& K
to poll-class
' A6 V0 W4 d" I9 e* B5 J& y$ }end
' I0 Y* ^& C7 n9 u7 [! r8 t
* p6 A1 B" e1 V; o5 b0 ?0 Cto setup-plot13 Z5 [/ {0 ~! c3 U6 j5 t
2 Y$ S* o- m' X/ W' V4 y* O. P1 Eset-current-plot "Trends-of-Local-reputation"
o9 [. G) ?3 f' x! W1 \6 H! ^0 T3 G! V' g5 w3 Y# ]4 w
set-plot-x-range 0 xmax
& X6 n/ _* s: o6 E
- g" j8 S" Y7 I" b S0 zset-plot-y-range 0.0 ymax
5 t' z. R E6 v$ j. o0 ? N2 w& ]end) H6 t8 U' C* }2 f& e1 ?6 _$ `- E. `/ X
% b& H+ o r! c, J- Lto setup-plot2
! M! |9 c- E3 I& q
- E0 i! Q6 @' |1 ^set-current-plot "Trends-of-global-reputation") E: y+ D+ k; }$ X. z2 ?4 p& |
4 W1 H# y4 \2 y; e0 F
set-plot-x-range 0 xmax
+ l* ^' \8 h9 N9 `/ K* U! J4 ^
set-plot-y-range 0.0 ymax; _* O4 d w8 [ t6 E/ p
end
3 a& N4 X5 N- H6 Q
- }& j# ~3 b0 d2 u5 y; f9 M' ]to setup-plot3
8 C1 }3 r; ~( o. h' {
/ P n1 ^2 Y% u3 T8 _) N! w2 f( Rset-current-plot "Trends-of-credibility"* N( R( C. L) @) k
: w. d0 c, H+ n8 [set-plot-x-range 0 xmax: f8 o7 j b" A- o1 Z( c
! @# |! F# F. B; a4 `3 H) ^. zset-plot-y-range 0.0 ymax U! v: G3 |( @$ b. K! T
end L0 [8 x! s8 H9 m0 T
4 }. M/ L) Q' [8 ]. v! ~* B; X/ rto do-plots, C% V8 `: f; S: B J2 t
set-current-plot "Trends-of-Local-reputation"
: ^( C: i% o+ M w/ i4 [set-current-plot-pen "Honest service"
) s6 _+ }% h4 @* ?* _end' I7 r; n7 J: ~; D
2 k* D, {: M3 g& M[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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