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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; ~ u) q% T5 Q/ R
globals[1 q) a, e0 j2 H0 ?+ S8 C
xmax' |$ E9 _7 L5 t/ r' Z- D5 N' {
ymax7 T2 r0 ]) i' ~9 K9 B1 x# O
global-reputation-list. k. R9 [ g% ~. m
+ t3 f# @# F. E4 `;;每一个turtle的全局声誉都存在此LIST中
8 D) o+ T8 ]4 @" V1 O! qcredibility-list
% K$ z7 ^* t% E- S$ |;;每一个turtle的评价可信度5 M3 [7 ~; r5 ], a& ^; x: W2 i
honest-service4 H$ B6 l# k j# y$ ^" s4 u& |
unhonest-service
/ ^9 q& ~3 M8 Uoscillation! M! E7 [+ @2 `, E
rand-dynamic7 C m! R3 n" R/ z
]
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2 p6 I; I, Y) B. A2 g+ N" `turtles-own[
5 h/ t& X( h. W$ B: C9 s% Q4 D. g* _trade-record-all& {2 o% e. C" s. K. C a7 v
;;a list of lists,由trade-record-one组成
) }+ e( \- J* `9 B$ n8 mtrade-record-one
. X D, v& W9 n! \;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
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;;[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* d5 n7 v2 u$ S% S$ [5 k7 R# J9 C jtrade-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]8 V! M! l: w3 S4 i
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+ E( V" W, M2 G# h7 G; _
neighbor-total4 J9 x$ j- f! p$ R' [' q+ q5 \
;;记录该turtle的邻居节点的数目( _# A7 {8 x7 F: z
trade-time
- S' ?7 j8 _" J;;当前发生交易的turtle的交易时间' Z6 T4 D3 M8 i. m
appraise-give
/ `2 E6 X- M9 L2 j' v;;当前发生交易时给出的评价
. h" P# r x8 wappraise-receive
5 M$ q( J% K! c# F( v;;当前发生交易时收到的评价
9 k. \1 V: M- u1 kappraise-time
' Y/ V8 r( F' U8 [. Q7 r, B2 G3 u;;当前发生交易时的评价时间
) D) d9 P6 e+ A) c1 Blocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ h. C. |+ ^0 ]trade-times-total
$ U) v& |3 [2 x2 P# L( N;;与当前turtle的交易总次数
$ @$ G, R$ F& {trade-money-total S2 {, X& Z; p O3 x- [
;;与当前turtle的交易总金额
; G% Q6 ~ N _& v) o* y" b& {local-reputation+ \! p; J$ Y* Z
global-reputation: {; h0 H' j5 M. R% {+ c
credibility( P( @ n8 f0 h4 t! T M) K
;;评价可信度,每次交易后都需要更新
- u5 r1 H2 `" I* m6 Y8 k/ o Zcredibility-all
0 G/ E8 A9 s' P, U y;;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9 z& V" R$ ^: s7 Z9 I, x) t
1 a! N& |) F/ @1 B5 A
;;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+ k$ n, q! |& ^
credibility-one
, g, g: l# l5 U;;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# ?9 V) a- o2 _* B5 J
global-proportion
! [ ?( E7 b. ncustomer4 n4 G3 Q K7 e2 T$ N5 U2 `/ w8 _
customer-no$ w* ]; }6 V. o# {
trust-ok2 Z8 l# r: L2 T- m2 g' `
trade-record-one-len;;trade-record-one的长度
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$ O* g- Z! K8 @0 e
& F- }- _; G5 q;;setup procedure
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to setup8 w4 Y; H- p5 t+ R# h$ p( t
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ca3 g, y( J# {0 u* ?
. X D7 h5 ~" p% B% b% d% [ R
initialize-settings
" \2 [: K+ U7 i1 m1 X8 h4 ~( g) P( ]9 q5 ]/ E
crt people [setup-turtles]
" |% ?, ~ p$ v# a
0 |* i9 i ]/ R2 z" n; g$ |& Q) _reset-timer% g) a5 T; r" Y4 V" u4 q
8 a+ c# k" r3 ^7 F; o. t) rpoll-class
2 j8 [7 V+ @# j1 i, R! ^& D* v* y- x: U
setup-plots4 ^7 j/ j8 }+ D D7 Q0 a
" p+ ?) z/ Z4 t+ qdo-plots' c5 [) q& `" ~; [
end
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to initialize-settings
7 E" s" D& \ n, Z2 B4 Q
! B( U# O2 A; ^, b/ n8 _set global-reputation-list []+ i- a( D3 C* Y R
9 H, L( y! ^, r' _set credibility-list n-values people [0.5]% k$ L$ M; k* r4 j- j1 `, e* |
/ h% m- p* `) l8 s% E5 Eset honest-service 0' H/ j! j# A# s+ e! {1 Y B/ L* A
# {4 _' J, H# g7 O8 a# P4 V! lset unhonest-service 06 \. J3 q3 Q4 ?% W. F. w5 @
' T F+ b1 W, L; u5 U& C, k8 c
set oscillation 0
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! ?* L9 T& m/ ]1 e3 x" M4 Jset rand-dynamic 0
% h& T# |; }5 r; z2 m/ T$ gend2 {( _& H0 ^1 S3 ]3 r n2 |& @
& S9 i3 g2 _( j/ q" J; ato setup-turtles , K# x* F+ ?/ [: l: ^0 b
set shape "person"
* A) E' e- ^" v8 y4 Q( E1 xsetxy random-xcor random-ycor
- o/ C1 F5 ?8 J" M; Iset trade-record-one []% N' c* @: T) |% {3 D) C' Z1 Q& S* p
4 _5 ?7 q N; j* E$ l
set trade-record-all n-values people [(list (? + 1) 0 0)] # X/ R$ |2 H* ~+ z: P
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set trade-record-current []
) V9 K* |# d" e- _0 h2 ~set credibility-receive []
8 ?3 A& y+ U) Y$ vset local-reputation 0.5
) B& m( y# D- e5 z Mset neighbor-total 0- e0 q# M7 A" j+ ^, a7 K/ S% d* T
set trade-times-total 0) f( Z; J9 l7 C/ b
set trade-money-total 0. `1 A2 T0 } R" t
set customer nobody
, b; Y$ N. w! I4 g4 Sset credibility-all n-values people [creat-credibility]4 C6 i$ Y- j. B' f* V& x; @
set credibility n-values people [-1]
/ g. X: b. g( a+ e! Cget-color
! X9 `2 F& c# [0 z0 v; Q; }8 D) D0 b, S- O
end
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to-report creat-credibility
. L/ c: P* c0 D A0 Ireport n-values people [0.5]3 f4 K/ {& N5 b5 g( ], `+ S
end
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to setup-plots: ~+ R8 M' I d* O6 c# Q9 u5 F
+ B* m' v/ f- s" L0 L- s# qset xmax 30
N8 ^, B9 P0 F8 d) E p# b" y# b# D, N& A. u2 t
set ymax 1.0
; c. S( N/ F a6 s: S8 V0 Q9 H% t+ R$ d! G; T6 a( M1 k
clear-all-plots5 N( d$ q; Q( ^1 k) `+ J
% i2 b3 g, z/ j
setup-plot1) h) E7 y: D( M
' }! L: q7 \4 I" S# Wsetup-plot2
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setup-plot3/ `' F3 x( c& R
end
& ^5 r8 [& w. \4 v, ~9 @
- W* V2 Z3 F {; I, x# |. K;;run time procedures: O$ {& Q% [* L @3 a, J
4 Y8 W7 \; u* A X( ?$ x+ m0 q8 N4 kto go- o2 \# }( C; |1 d: z
( M7 l" a- ~5 nask turtles [do-business]7 _/ `7 G+ L# `
end
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# \. |1 I' r) J4 ]) a: a+ P7 gto do-business
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7 I- p- C2 [3 J: g
2 k% T7 i5 G, D8 S- `& u& h4 krt random 360
) W, Q, y( [- E7 G% a; z8 u) S8 y
9 |: W) k' W* t" P( Ufd 11 P$ J/ w; A; \. T) W- M0 r
3 E$ n$ V6 I0 O1 Pifelse(other turtles-here != nobody)[: ]9 V7 |! T1 f* c
3 _! H2 |9 O( j0 K, ]
set customer one-of other turtles-here
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; G; W) _& [$ }0 v% P4 y6 s;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
& T9 [$ g8 D# E# y+ D[trade-record-all]of self' G" `6 @. O3 t/ v& S+ E }
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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set [trade-record-one] of customer item (([who] of self) - 1)
( r% U2 n, h& X' Z[trade-record-all]of customer
2 {9 G, j) N- E4 b
( z! r" q* [5 A- m, E* D, b& fset [trade-record-one-len] of self length [trade-record-one] of self. k# |- e. |6 f# o+ `/ }
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set trade-record-current( list (timer) (random money-upper-limit))
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2 r& @$ @1 F' i" G* lask self [do-trust]9 R9 s V; \4 n5 I9 O3 ?, O% f- N
;;先求i对j的信任度
" ~& T7 x" i* w) N' P4 j- b# x* x
# p9 @, ^9 F+ x1 }3 E' z" y7 Qif ([trust-ok] of self)
1 d& Y, J" a0 D2 o; f4 \% b+ e;;根据i对j的信任度来决定是否与j进行交易[
* H% i! B7 o0 P& m' K7 C3 ^) V% \, jask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself* O2 @! G1 ]+ e' a) J/ Z. Z% X) a
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6 H6 I% y# i+ J3 l; H R
do-trade( Q' z! i( @/ D' p# v/ ?
5 f: n' G+ H" j
update-credibility-ijl
+ x3 @8 X+ }- [) T( o4 _: b
' Z1 t7 c$ Z: G* X* {/ b% Wupdate-credibility-list6 e6 m+ ~! D9 I! d/ ~; M2 o U
+ I4 q' ^0 Z) `3 a; o! W
+ {1 {; q# \8 M Z
update-global-reputation-list
; K8 I' i% f9 ~1 u. }: k
$ F/ G# g, }+ B9 H2 lpoll-class, G2 k( [: i5 o
5 Q8 c' F) S. _* S8 ^9 h }* j7 Hget-color
0 S" \( \, v+ a( p* ^0 d- J
7 U( `/ Y4 m7 s `]]5 a0 @$ B, V4 |% n! v
) C* w0 Q3 u% n. S. @3 T+ C6 {;;如果所得的信任度满足条件,则进行交易, K) M0 M( _2 d( \& Y; R/ K, z
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[/ d3 c( t$ v0 L6 \
/ ]( ?3 |. [# _" w9 p1 Yrt random 3605 k, k9 B0 f- h( _+ p s
2 j3 d# @0 g1 w9 R- ~- n
fd 1
+ j& W* D/ e, Q9 G9 l
% P, N& k h- R9 T$ M( A]. X- U" y0 x, ]% c2 B4 |3 f
( o/ [0 v& W1 x, p( k) Uend
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3 Z6 {) l7 g* w5 l; d$ ?to do-trust 0 T/ T- R* x9 @ H5 G
set trust-ok False; R$ a$ Z% z0 R9 t3 f
& w& m$ w. [" T2 }5 U
6 T8 P; V1 h9 U6 Z( dlet max-trade-times 0+ M+ @3 X9 f( n# I7 P4 U: X
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
* C$ p1 x5 _& k, N* s4 alet max-trade-money 0
2 d9 `( U) L- T( O/ @5 Fforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
# e5 F; w+ T' s' `8 j# V# s3 P; Klet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
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: \" _7 I/ J9 U; w; d" K' `+ d
) E' m; Z( Y- z7 k9 J lget-global-proportion
4 O1 Q7 Q& ~8 S# Nlet trust-value
5 j: e- _2 t: Nlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
# B( A4 {- f% f* v4 K8 H& [if(trust-value > trade-trust-value)4 F1 ~3 s6 J; d; A g; G; q3 _
[set trust-ok true]& u! b2 Y5 S& m
end
( j# f6 l! _9 r C3 X
' ~0 j% E- A: Zto get-global-proportion: G1 i' \2 C' V" d7 B G
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
9 A0 ~5 ]( @( \* U5 A1 C1 r[set global-proportion 0]- n- k& n( m: P# f/ l2 A
[let i 0
3 @* ]7 a3 r) B% [8 a: jlet sum-money 0+ a5 n5 E' t! B) g2 _" S$ c, C; p/ K
while[ i < people]
5 _: G3 g! f- U7 x7 ?[
' g1 ?/ _9 V4 ^* fif( length (item i8 r" t! b$ F* n/ f; m4 J
[trade-record-all] of customer) > 3 )
( i; m( Z7 u7 {3 M: G' t5 R[" y" F- Y9 [7 N
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
2 q* F5 e- p" G* H5 W7 K8 N]! m7 W0 w) `+ C1 ]6 i u7 D1 U
]* e* z4 Z2 C3 K2 w
let j 0( z9 a& T; S8 z! v
let note 0
% n) z! f3 L! C" M6 ]; qwhile[ j < people]
# U1 P1 r! T }2 O8 n[: {7 w% K- x& ]: I- M$ R
if( length (item i. [, M8 e1 K. o! x( T
[trade-record-all] of customer) > 3 )
2 d+ b& `. D+ @! v" v$ k9 `. U" s[- x! c( C) P9 d- G8 D! L
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
}3 d- O, h- x$ j k I[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
/ g) g, w; @4 T/ l. H[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
( u; d- y% I* p2 Z/ ?4 r' {7 q]% l. A! y. S; q! Z. Q4 e- K; g6 ^
]
6 b1 b ], J" E0 L3 \" hset global-proportion note# @. {1 S t) t' m
]( G9 Z; J! z. z" w! l- ~( A w+ G
end
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to do-trade/ I1 [: A$ b' ?- i: G: O
;;这个过程实际上是给双方作出评价的过程4 c4 a/ e* P) q$ n* {0 L' O
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价- P& V$ f$ P' s" ^9 O. N: k
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
& `; F5 C* ?( I9 ]# [1 b2 l8 lset trade-record-current lput(timer) trade-record-current7 Y( G& r! u3 r4 v
;;评价时间* P- k4 ? F( p6 T
ask myself [ c2 g. l6 ~, V2 [" U- D2 p
update-local-reputation. A2 ]% E& W& g( S9 |6 c- `
set trade-record-current lput([local-reputation] of myself) trade-record-current. b4 V: D P, c& f6 U0 U# R
]/ x3 {: A: s. S
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
" }0 W) h5 ?3 I" F;;将此次交易的记录加入到trade-record-one中
$ `; y5 @0 F5 L1 Zset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
+ n1 S- _5 h# |9 s U$ J# c' ilet note (item 2 trade-record-current )) z& U8 \* P, A
set trade-record-current, \) T5 S2 k5 @' L1 y# t2 f6 G) A
(replace-item 2 trade-record-current (item 3 trade-record-current))5 I/ I. {, q- n. `
set trade-record-current3 Q, k" A8 G8 u( ^0 P1 ], q
(replace-item 3 trade-record-current note)6 E. F0 ^# N2 X" y& g2 Z% M
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Q0 r7 y% @( z2 pask customer [0 d3 F4 x+ \+ g0 o* |
update-local-reputation
! X( u( _/ S, ^( o8 Gset trade-record-current3 q7 Q4 x$ M6 r! Y9 P
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
! a$ f: _7 y( _; q], b# \2 n- X4 c4 L
# n# q" k `. ]* D- ^8 n
" a5 W8 y$ N5 E. E7 {- t) f0 Yset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer' K* e" J) E: [' m" _* x$ {, y
2 ?' X2 K3 M! A1 E7 l
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
& P) o! [& K4 |! M. q! m" R;;将此次交易的记录加入到customer的trade-record-all中
+ z2 Y' w8 {7 B. m% G: Wend) K9 e! o. l% e2 Z- O& | U/ n
: k$ ?: e! k& f( x7 t3 [9 `) a2 S, Yto update-local-reputation
c% X1 ] H: H/ p' v( mset [trade-record-one-len] of myself length [trade-record-one] of myself: j7 R8 L4 y: O; t
' g3 x' o% j/ R/ N1 f& ?$ h
4 `+ `* w& y; S U8 R8 D5 H/ }* B;;if [trade-record-one-len] of myself > 3
$ M2 R( a! F2 D& M2 H+ f" U+ P- kupdate-neighbor-total
8 I P0 X# f7 b+ n0 N;;更新邻居节点的数目,在此进行
, `" V K# E5 I" x$ `7 I9 klet i 3
! c; z* M; d9 ^: ilet sum-time 0 y( |; E6 U* B! e/ q' M- x; Y3 F7 ~
while[i < [trade-record-one-len] of myself]$ \" Z/ ]& a+ m+ q& y" _- E0 W5 R4 l
[
4 i, D* i: @ Q) ]' n$ V1 _set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
9 Y3 @/ r- q) Iset i8 O5 F/ d0 u) f% q: }4 ^9 O: E
( i + 1) @ K1 h; J( g7 r
]
6 j+ O I x. S$ R9 \. V8 X; Glet j 35 x8 P/ a! l# s. e
let sum-money 0
) f: {& `$ {' {6 A* g4 `7 I/ J1 x' @while[j < [trade-record-one-len] of myself]
. r6 C- N, F, i/ r8 X[6 w5 o( _1 P8 T0 r
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)
/ d% y% g: t1 k3 d2 Sset j
5 w& [) _3 [7 r t( j + 1)
8 \8 Y/ J0 {1 W9 t. Z" v]
+ K, @0 @4 t/ S- N) g0 wlet k 3
, n' p( X7 k$ l- ~7 w5 R5 n- ]# m }let power 0# k& z- H% L% A8 v' x5 ~2 p
let local 0( O. P. U2 _! L3 f* p8 A
while [k <[trade-record-one-len] of myself]
3 ] F, n$ a2 h( u6 H[2 c* K R! }, P7 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) . O1 q+ |" O# l* [) A. g) s3 T# W
set k (k + 1)
4 C7 \ \& V$ ^, W" D4 L3 ?]
& q' T( f! y1 i8 J7 @set [local-reputation] of myself (local)) R" u/ H: S- |7 M, S: P i- V
end
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to update-neighbor-total
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- d5 M6 s" |" \4 ]if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]0 O0 Q% q) V9 v8 F
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3 {' I) V0 ~1 W6 V2 o$ F. @! \end
$ ]( V: [% m* n5 X+ {
0 f% I3 g# q& \! ?- ]* s* [0 ~ jto update-credibility-ijl / P ~ c3 g; c* R
' d: d4 |! n7 ?;;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。+ I6 h5 {3 Z7 r @4 Q) I
let l 0
9 q4 E2 x) n3 G6 s) l% Swhile[ l < people ]5 D' L( _5 D2 g5 P
;;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
1 c- B# b: i# w; ^) {' _0 R; q[
" b4 L W; W. y2 K8 V7 Rlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
* k4 m( t* w% C( c; O, T7 Pif (trade-record-one-j-l-len > 3)+ f, g# P' f; G; C7 L
[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-one4 a; e5 w3 Z5 w3 ~# C- l7 z" p
let i 3
' g# q0 u; M* p, X% l/ jlet sum-time 0 W: g2 `+ _4 f5 \8 [; i. n0 w
while[i < trade-record-one-len]
# f+ @; G1 L7 S% E: w+ a[* v/ ~! N8 \' l! F9 _* H
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
; j6 ~/ o: v3 h; Qset i
C6 {9 T0 Q9 I( i + 1)
3 h+ L, m9 h/ n0 ~0 ?]
$ Z! S3 ]1 t3 O0 V' V9 ^2 blet credibility-i-j-l 0
, ?* s5 s( z, V6 ?% g;;i评价(j对jl的评价) s4 x( r6 Q+ q; @% M
let j 33 E* d) U6 G* O0 `) s2 o. P
let k 4! T2 v& |4 Q9 c- P$ S0 O
while[j < trade-record-one-len]
) v4 C R( D% M0 W( l. `# M[
6 D& n" q5 q( H* twhile [((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 W: \; x, d: _! Oset 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 R# E1 f% }: ~ a7 |- Q4 J
set j# R" I1 X" G; e
( j + 1)+ t, r" W8 m' Y$ F, k# Z
]
5 B3 Q- i3 |, p. hset [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 ))# y9 V9 P4 x( c% Z/ ?
" n( ]% V; T0 W, U. f9 e+ P# U
# s5 p5 Z% H) G" H7 @2 i" ~* l" {let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
$ G) w! ?4 J. h' R;;及时更新i对l的评价质量的评价
: D6 `5 \' T3 D4 s# G. oset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
8 n. t- c6 _' p. u4 iset l (l + 1)6 u- c- y3 t5 _$ w& U: i5 `9 i
]
# |" E9 Y2 ^% }* Qend
+ M, Q1 D8 [" z1 A8 ]- }7 O! [
$ C: a2 w+ C4 d' jto update-credibility-list" C5 F/ o, M& ]; D9 O. w7 E c( }
let i 0
6 ~# w9 Y. W# T! U" H& l5 x! y6 twhile[i < people]2 X4 k0 u, {" ]! x" [( ]
[/ u+ i" K2 z" }: q
let j 0
3 J1 r6 ~: {. }* V8 Tlet note 09 n6 v6 D! _0 I5 x
let k 0
: C/ Z* k4 Z# L7 K# E7 m;;计作出过评价的邻居节点的数目
3 Q1 U( y; _. mwhile[j < people]8 _/ J' p9 g N
[. e. M/ M/ F7 y$ ^
if (item j( [credibility] of turtle (i + 1)) != -1)
# x) o( W2 P2 }0 E9 I# C- u;;判断是否给本turtle的评价质量做出过评价的节点: b# E1 r5 _% W# E$ F0 H1 i
[set note (note + item j ([credibility]of turtle (i + 1)))
" O9 n& N2 c# l;;*(exp (-(people - 2)))/(people - 2))]$ U G; z8 i( @- ]2 L$ D
set k (k + 1). [" O8 R6 l# E& o# c. ?
]! ^. c' Y4 s$ G. x" b4 c& L: R3 `5 O
set j (j + 1)
* W y8 F0 t! a" D" {]
5 y+ x- N- s2 t0 Rset note (note *(exp (- (1 / k)))/ k)
) a8 @# d- l: _9 Dset credibility-list (replace-item i credibility-list note)
1 t* t/ E+ ?! J: u1 yset i (i + 1): P: F5 B g4 q7 h
]' E8 K" {& ?0 q5 ?3 t1 F) _1 Y
end. \, H- O7 C2 n
$ X- F& I+ N( kto update-global-reputation-list
% X* o7 @) N2 F c7 g1 j! Wlet j 0' `4 W+ r* B# G# P6 H$ I: ~* u
while[j < people]2 n7 w: K5 z& E- a8 s
[ z+ L& a5 V' _% I. @) ?
let new 0* y# ?- A1 J/ z; U$ h
;;暂存新的一个全局声誉% C& O0 t' n$ Q2 P& y, p
let i 0
8 r- J0 M9 O6 y- \let sum-money 0
3 u V3 J# u! w4 X& f7 Rlet credibility-money 0: A1 [ [9 g# u& n
while [i < people]9 \! E" H- G* `9 {+ U- x Z
[
# V6 ^+ N P: I7 t6 p) r5 nset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
: Q9 @$ ~" Y6 `, W; dset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
% P. o, B9 P5 r$ Qset i (i + 1)
( l# \! X; Z4 d6 ?7 s]7 `8 v5 C) H: }2 `, m
let k 0
0 O6 O" _. ?7 Q0 glet new1 0
( p7 s& R: U4 {# F3 mwhile [k < people]
$ \ x( l' S E3 ~[4 }0 _8 q% K$ ^
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)/ u: z* |8 \6 y9 c( L7 i
set k (k + 1)
4 |# B3 c0 ^& a]
/ j0 m! a5 Y; g# @) Q! E! y Y% t# tset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
# h4 c+ d( J3 f9 @' s1 O2 X* aset global-reputation-list (replace-item j global-reputation-list new)+ Q3 ]6 f/ k/ ~
set j (j + 1)6 ~% _' R# I4 r: X6 G2 Y& g% t
]
& I2 z& M+ a6 E: `3 dend
2 f* b- Y( F% d! f5 h% |0 p
2 v# V1 `$ P2 |" t! n+ s# N4 e( a2 e: t Y8 P4 |
( i' l2 l4 {" D; V, g! j4 d
to get-color
5 I; `$ V0 _( j6 Q. \5 h6 z: Z r& M8 V9 Y7 X7 `
set color blue" E, R6 s( Y. k
end4 g9 w# L0 [* K& Z, _. s- f4 \
/ j0 z! ^9 y: ~# _- V0 cto poll-class
/ H# ~3 K% O1 I; [) cend1 V% j* d2 l5 k. u; L6 V5 Y
" k5 r2 J: s; i
to setup-plot1, D* ]1 _, D+ K( ^; M' O2 l
3 f8 J% e! T' \: D* x- |7 E+ u1 a
set-current-plot "Trends-of-Local-reputation"1 A3 m. B% s6 a9 M
) Z1 Z) W1 }* s
set-plot-x-range 0 xmax0 k0 B! f" ^, E) i
- ^, O$ H- _4 J& N( R
set-plot-y-range 0.0 ymax. Q( M7 G9 U1 ]7 V( Q
end( u% S1 P7 T/ l( N1 ?
: h9 c# A* u; [3 x* y0 u) `' ]to setup-plot2
, V7 t+ u" V2 R" j, \5 T" R$ Q
set-current-plot "Trends-of-global-reputation"
O) b1 f+ w8 q& k7 P% Z2 M% ]# g, Y4 y
set-plot-x-range 0 xmax: i6 X6 F1 _8 z$ _' t) A
. s. A4 w9 a; |" W1 H8 u( }
set-plot-y-range 0.0 ymax
& p# P' I$ w) l j$ }! x, H3 Lend
1 \6 v9 O3 {4 F9 ]* F5 W& s6 _: R2 w4 p' A" o" |6 T( `1 ^
to setup-plot3! e: i! \( Q$ u4 r, w# z) S% h
8 G# E1 `' ~" b5 X, s
set-current-plot "Trends-of-credibility"9 B; w" c$ D5 w; R+ z7 p6 w E$ o& M8 n
1 @. ~1 O1 X' ^! x) zset-plot-x-range 0 xmax
$ O; p; b9 u+ Z% T# i, \- T
# x: d6 m h' E9 r* ]7 J q% Y7 Kset-plot-y-range 0.0 ymax
! { ]5 K5 I0 Zend1 l5 O& b6 x( e; N& V9 D
$ v/ ]% m' C, t6 }to do-plots
% J" a' w" j2 f9 c/ B2 dset-current-plot "Trends-of-Local-reputation"7 |& c6 p! F% l% p6 Q6 J
set-current-plot-pen "Honest service"' `% k" e* W, g* a$ C5 w0 e
end0 c1 J2 H" t# c; V, {7 J
: E- C# ?* b, F x
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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