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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
5 w% x% V7 } y5 [* O+ c0 c: t, sglobals[
0 M E- c5 ]0 A7 V1 y$ qxmax F% I: m. D1 M& m. n$ o
ymax7 K0 L+ n* a- U( n5 ^' ^
global-reputation-list
1 s! z) Q$ q# o& _1 q
% U. C; O) i& y; d; o, v;;每一个turtle的全局声誉都存在此LIST中. K6 c; W4 _. K$ u% e
credibility-list) t& ~8 Z9 d7 Y9 K
;;每一个turtle的评价可信度; r& a9 d* G5 o2 R$ N
honest-service$ R$ \ o! J% M$ |* m6 z: Y
unhonest-service
# ^$ C: O1 R) i3 w7 q9 [ Voscillation* u: h! V7 U+ M2 t2 r
rand-dynamic
T- X- T8 C5 w]6 ?/ V4 g* t4 s0 ]8 C
8 _- I3 W7 U$ }, _
turtles-own[
* h% i; k8 y2 ztrade-record-all
4 w9 v* |. P' g; Q;;a list of lists,由trade-record-one组成+ a: P/ ~3 Z9 |& Q* h
trade-record-one0 G, H7 i! h4 ^ p
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
/ K+ b7 r; n2 B' H- s, [+ m1 [7 O z
# _9 E, |1 J+ _6 P! n+ a7 J;;[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]]
; S0 h0 I8 I6 I; S' ptrade-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]6 p$ c! O* O5 s5 M
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
' `4 J7 n1 ]. a* b5 ^neighbor-total
0 b0 |& M+ w5 Z/ u) j3 Q;;记录该turtle的邻居节点的数目
8 Z0 W: g. {$ b" {0 @trade-time
9 t" G, f9 j" W% k7 ]7 t$ w% m$ Z;;当前发生交易的turtle的交易时间
' z+ n; O4 N, [* P3 b7 oappraise-give
3 N. J6 ]9 _) ]* D5 q;;当前发生交易时给出的评价
, o- \; M8 h+ \) V" W# t: H" G) Kappraise-receive' r% ^3 b1 b/ B5 k, V& I5 }
;;当前发生交易时收到的评价
! ~% h2 o U9 Y' Aappraise-time9 w& Y0 Q$ `0 q1 Z
;;当前发生交易时的评价时间# k* R7 Z+ r. q8 w( z {2 C
local-reputation-now;;此次交易后相对于对方turtle的局部声誉& g7 n) T- U" _6 x* u
trade-times-total
5 |2 h* ~ Y5 i2 n. ]1 b4 m' _( y;;与当前turtle的交易总次数
# O! I8 A4 \, n% d+ G8 U6 w- \# Q0 x) Ntrade-money-total
6 I( n; K& Q: l0 `/ v" \/ w;;与当前turtle的交易总金额
& a1 S0 e+ }' W3 N: Llocal-reputation" f6 t* f4 `' y* |% e
global-reputation( F; _: t. W- C v3 F; {2 V
credibility2 E( V6 a3 z8 F% ~1 `# b& \
;;评价可信度,每次交易后都需要更新
+ T' e, s$ O- c' Hcredibility-all
) l4 X9 m& I/ b: w) O' c" t;;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
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;;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( Z1 }3 u T; p- y2 ?; J4 ]
credibility-one
3 |; Z* J& A2 D/ X; Z;;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
6 X" R2 D4 p# N" _0 hglobal-proportion
4 w8 `' }& P9 I1 k5 dcustomer" V# P0 _" `- S1 e: h( ^
customer-no4 p' d5 ]2 J" e4 P* r. e2 q8 n
trust-ok9 n+ t% W+ Q+ h. E5 P
trade-record-one-len;;trade-record-one的长度
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; b/ `3 d1 T# ` Z# i5 v% }$ ~) q- k
;;setup procedure
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to setup
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ca
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initialize-settings( R: H0 ]2 b5 F- v+ z7 {
! R. {5 X! }% Kcrt people [setup-turtles]
! k' w9 w8 i6 ]% c
1 s: l% k' g$ S- @reset-timer
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% H* o$ d5 V. C! h& L, O! Upoll-class7 i: w8 L: a* z) R( T
0 u5 E2 {( J/ P; n+ i9 ^" [setup-plots, h/ a, _6 Q8 {/ t
6 U* u( L2 b. v* j3 S; S! N9 @/ A' Kdo-plots
& R& C' n. t- Z' s2 L" l: |end" @2 z# R+ a* @& K) V1 y& y: Q+ n
# P4 \" v8 h* Q& sto initialize-settings6 w% m& l( r) R( m0 [! d; @% n
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set global-reputation-list []
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. _1 l1 B) v+ b9 }6 |) Cset credibility-list n-values people [0.5]% X$ V) a4 D; N/ z
/ V( B, w l, w" N. d
set honest-service 0: D& t5 W7 B1 G% G( S g
* Y% C$ I8 e8 l! tset unhonest-service 0& M% m% ^: Y9 e5 r6 Z$ }* q$ r
( h4 ~6 y7 E) J" p$ T! E, H! v6 ^
set oscillation 0. {6 D# L8 y, O1 D5 y
( b6 J2 C" w! z, ~4 g: G! ]set rand-dynamic 0
! i! N; p, @, `# g" |end
* }2 J3 M% T0 _; ^, u7 i: }7 X @: ~+ I3 q$ q
to setup-turtles
( S4 X+ k* K3 N6 _4 |' qset shape "person"
+ K. i8 O4 U9 W5 a2 P$ l9 N( `setxy random-xcor random-ycor
/ j% \; C. D* B4 l; `set trade-record-one []
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" v! @5 ?9 E1 v" V% Qset trade-record-all n-values people [(list (? + 1) 0 0)] 1 E4 i5 R; f4 f5 K6 a
; I5 A7 v+ F3 yset trade-record-current []. R( h9 k4 ^& H( c4 Q
set credibility-receive []; M, {+ t0 t1 V4 Q0 ]2 b
set local-reputation 0.5
8 R4 u: j1 H/ G" X. ^set neighbor-total 0; l Y1 _6 C8 c' W
set trade-times-total 0: ]+ u* B6 w# H
set trade-money-total 05 x" q* |/ H1 ~0 _
set customer nobody
* [. U( P% n" X( K l3 Hset credibility-all n-values people [creat-credibility]
f% I! b/ A6 M9 j: q! Dset credibility n-values people [-1]
4 m+ v! D! |: Z6 @0 o3 Nget-color6 i# y' X. j0 Q" D" w9 D! _. \
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end: \$ c2 l+ _8 Y0 t+ c$ T; _
* t! ^- d1 s) q- d. h: o8 h6 c* dto-report creat-credibility! Q2 J' n" n; r1 M8 Z* ?6 Q
report n-values people [0.5]; N; y1 ], _* s2 ~6 G, Q
end6 ~: c6 l' k: s+ ]# i- X
" k9 k [) z9 h( s, ?" \+ M
to setup-plots
! R. I8 f3 ]4 |/ C( [1 a4 s! Z) Y/ o3 M r" `7 @1 O
set xmax 30
1 A5 T$ F& I* I( C7 c2 k
0 m7 u3 i" L( M1 I& J9 v4 Q* J5 oset ymax 1.0
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& {, h4 a b. W7 g2 P0 y" h% N" uclear-all-plots
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' t9 u2 a+ d [7 H. W0 Y! e5 Rsetup-plot1& q0 V; O" C2 b0 g
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setup-plot2, m& y- M( N6 |% P- v
% N: Y& q ]2 J5 D' \! ?, hsetup-plot3
0 H7 ]9 T) l% f y+ Z8 cend/ ~1 w3 J; C5 x1 }6 ]& {
% X( i+ B2 Q& C* c
;;run time procedures
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/ |# V/ b" u2 I& Uto go* v* P1 Y4 s- o3 G6 H1 n; M
9 n5 Z0 q( Q# _( T' uask turtles [do-business]0 P! u$ M; Z1 M* r! H& g
end
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9 i0 x, w" [3 ^- Y, @, N8 J* ^to do-business . a, x9 s- C4 k' ^4 L6 o& @
! C! T, l. }$ ^/ H4 W1 E, M
$ [1 p* t7 t! qrt random 360
# E7 j4 Y- }, p% V" O' h
: w1 K+ v7 D* {9 S$ ^# z) u: Hfd 1
( H) z; g( H. ?" j6 d# q. e. Y9 s7 X" ?4 ~3 t
ifelse(other turtles-here != nobody)[% @" i" k9 g/ y( O8 X
) s6 k( \% P6 v$ a) B8 D6 @set customer one-of other turtles-here) a! q* s9 L1 I) ]3 D- h
- N* Y8 X4 d b( u( D. u
;; set [customer] of customer myself- T3 A1 m4 k. U9 v. q( @- U% \
# J8 T v% p" X8 t+ Iset [trade-record-one] of self item (([who] of customer) - 1)- {* ^, e( e& i4 g9 t0 y m
[trade-record-all]of self# r, [: ^) I2 S+ {
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
) s: G: U) j, F% M5 e: S Z- R4 T% B3 e$ N* `9 n& {, d. V
set [trade-record-one] of customer item (([who] of self) - 1)
1 F% o: x( Y+ C# C+ f[trade-record-all]of customer
# s0 e- h6 B& S) |3 q' o
4 Z0 q T' F/ |9 Q& S# s& fset [trade-record-one-len] of self length [trade-record-one] of self
# {$ k: l x! Y p0 [. n1 N: J) G: p) T5 X
set trade-record-current( list (timer) (random money-upper-limit))# {4 I" Z1 l8 ~: [; O0 |
; V- S/ l; T3 ^9 C/ jask self [do-trust]
% F% h4 v' ^3 C! I2 H; g;;先求i对j的信任度2 a3 N4 r% a6 U3 P( j& p9 K
( l8 I. O+ T% z: Z
if ([trust-ok] of self)! E5 S# E6 u% {6 V+ H8 R
;;根据i对j的信任度来决定是否与j进行交易[
5 K2 y% \4 H* T/ L9 {( x6 Pask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself. y% V3 q0 p1 W# _+ ~ w( R
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[
- d& s* f/ B3 S- S8 y; \8 F9 m7 V) q$ [3 D+ r& m
do-trade
* b0 @& x$ a( K/ S& ]$ `6 @4 d/ Q9 I* \7 l/ u
update-credibility-ijl
1 o, | {, r; h. F: b* U& \4 x [ K, _! a" \
update-credibility-list2 c( D# t2 L, n- l
1 J4 C; n4 M$ M9 H
. C4 v6 `' O( z4 y* L2 C* Jupdate-global-reputation-list! k8 N7 c2 k$ @5 a
$ e3 c' ^% ?) m" K) l5 S) Upoll-class
5 G3 [# W* e; H- O* I' W5 m" _# x; l/ S8 a* c& b+ R4 P6 U; p+ p% ~
get-color" x8 z% c* H+ z1 g; d
) H7 q ] S$ `3 i+ A
]]: A- M4 Y& h8 F4 z$ a) x
2 p! d+ i/ C9 b& |0 p( u
;;如果所得的信任度满足条件,则进行交易
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[% M" }& S7 G5 Q
' c6 P& o1 q; F% ~! |- P8 o A& N
rt random 360' g7 m* V+ w* ^% W
+ }3 p& T6 z' s& ^: r7 b/ K" jfd 1
, G6 M& R1 A/ N
. ~! q. _- I! X]
+ b" `) C+ E1 @: T! X: R" F& @' P& R% ^0 Q
end$ O# o0 H2 A' W3 F& K
- X d4 l1 z8 o5 q- M6 Pto do-trust
1 @9 x$ V3 ]2 _1 w8 `5 kset trust-ok False
. T& e1 d ] ^3 G% M: C$ U
7 t5 E% n( I) h: u# O; l1 e- x) g/ S! B Z
let max-trade-times 0
8 J% ^* L+ P& H! ~foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
f: P2 h5 n$ z6 M+ Q0 Hlet max-trade-money 0, {/ r5 s$ d& K" {
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
4 T7 d6 ~& t- B+ \# y: g7 Ulet 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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get-global-proportion& d0 p, p1 [' K, N% u( `' J
let trust-value) a+ C& ?& ^- y
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)3 C+ ~. i3 g$ `5 ?
if(trust-value > trade-trust-value) Y4 m4 ?' l& a, A( _) s4 O( G- ~
[set trust-ok true]+ C. ]( j! ?8 v' ~# E
end$ O3 m' S. c4 k
2 c. @1 {# k1 h; o+ [to get-global-proportion$ [; x w) S2 A# a2 J
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
H8 a4 A( `7 z7 M[set global-proportion 0]3 V$ p* C$ }0 t+ B3 f9 T; S( ^
[let i 0
/ P7 Y* k6 ~/ U1 olet sum-money 0
( S% Y6 { R% {" u+ G: jwhile[ i < people]! S4 K9 w7 I7 c4 f3 `9 o
[' D1 N. s; N1 C4 ]2 Y) R
if( length (item i
/ P* y) M) V1 e. f! w; i[trade-record-all] of customer) > 3 )
: b" S& s4 e0 \. W9 e& A[4 B4 U- C& C; [; G
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
0 K1 H b( m& T; @ []+ l9 w" G- i ]* n
]6 q$ H" k( x# Z* z
let j 0
; E# G$ u' ~1 r; t/ ?let note 0
* S" |; U( A$ @while[ j < people]
2 M. @9 }0 D7 s1 x" T2 G. v[$ f& N8 u- R/ i6 e( J0 B' |! x1 o) D
if( length (item i: \2 f; b1 p# w! X f0 [) v
[trade-record-all] of customer) > 3 )
8 ]' }5 V0 j* R8 M/ `[
1 `5 b3 \* k# z5 Wifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
7 A: j* p+ H8 }% ?8 @7 \[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
; ^. G) B `7 i2 q \: s[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] u4 }! e* W. x2 S' `
] G6 Z( B" R6 f, S5 u7 ]
]# P: u1 W6 |( E8 ]
set global-proportion note2 G% `6 u2 [6 I n1 v
]3 t! e; r) R: {9 @2 i
end
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to do-trade' B( C# N; o% U( @& a
;;这个过程实际上是给双方作出评价的过程: r Z2 \9 C& s1 y# X- [( t
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价" Y- o' ]; I4 @$ O) J: h; _* c
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价1 n% ^( X" f" U) Y! s
set trade-record-current lput(timer) trade-record-current
9 x/ O( H+ s; ]5 o& e) D;;评价时间7 ^3 q, q8 g Z8 D
ask myself [2 x# w& T& W* M
update-local-reputation: C* l+ j, C3 Z4 m# g: ?
set trade-record-current lput([local-reputation] of myself) trade-record-current$ X7 o/ O4 x" o1 N. e$ \. d8 I' K# _
] {' o# _( o* o. P/ p
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself8 y) m! h* Q* {0 f, V. M2 z- j
;;将此次交易的记录加入到trade-record-one中1 ?$ n Z$ c# n& {% G) B, \
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
4 n' X$ j! B0 M/ f1 Q" B$ t3 r! olet note (item 2 trade-record-current )
% y/ y7 `. t2 Zset trade-record-current6 i8 s- ~4 `! }' G
(replace-item 2 trade-record-current (item 3 trade-record-current))
/ K( J+ B: F6 w( Wset trade-record-current3 C3 g; B0 k8 n# f' H
(replace-item 3 trade-record-current note)& O# r$ f! h& b7 [7 M$ c: D+ h
! J8 |$ q) D1 Y" t4 R# p( A! |# m; i: e X/ [* B# l9 P. J" h
ask customer [
/ d* ^; Q- M, z# Vupdate-local-reputation1 P# O* _7 c/ q% ~
set trade-record-current: h- t- R' ~0 n/ V4 o
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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$ J0 {- s5 f5 }! ^, R5 S2 ~. Uset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer& {0 U2 U3 u, `- N8 J( ?7 U( J+ Z
- ]+ y" g) _; X1 ?$ \
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))' d7 `; s6 o5 L1 }" ~* B
;;将此次交易的记录加入到customer的trade-record-all中) ?) `5 T& B/ Q6 T5 t
end6 K, C7 I* N D
, K) B+ B$ z+ I- E, S( c! j, M
to update-local-reputation4 A6 A6 Q" D# I2 \) S v
set [trade-record-one-len] of myself length [trade-record-one] of myself
+ Q5 \' F _8 ?. m! V% ^$ K0 v# `: l8 X% H Z* \2 F7 ^
( D2 d( K+ E- u( X+ l, v( p7 U;;if [trade-record-one-len] of myself > 3 . C5 x* z- |& B, Q! i
update-neighbor-total' ^2 Q) N1 K0 v( u
;;更新邻居节点的数目,在此进行
( _$ K3 V! E; ~% K7 R9 qlet i 3. [' u( m; s$ t; s. p
let sum-time 0
^+ ] s" f9 zwhile[i < [trade-record-one-len] of myself]
( ~' B. t+ b2 p; S/ j) o( s' d& w[ i# z/ _$ M" K+ u
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
: B4 U) V7 j6 a& A8 d: bset i9 D' }8 t8 F J
( i + 1)! U% H) m/ C1 C0 z
]/ I- ^4 Q1 T' O
let j 3
/ b K; G. P" a+ D- z: rlet sum-money 0% v; q7 _; X t7 B
while[j < [trade-record-one-len] of myself]. F$ n7 Q6 u6 B
[ x/ Y: Q/ I* j/ K
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)
' T2 f* P( |+ N. ^0 |set j2 m, ?. z9 c# E! d! u. L& r
( j + 1)
) ~( J4 v `# W) `]
$ M7 ^4 A6 _4 Olet k 37 W! x+ e( n! c) r* _" R
let power 0
! E1 X) a/ K! `# m+ M0 }2 Hlet local 0# k# } d8 X' k W
while [k <[trade-record-one-len] of myself]
! z1 |. f; U. F8 F1 {7 F1 f[
; @& }" j3 C* K8 \# Wset 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) - |' Y, e$ o/ b. p, E
set k (k + 1)
6 I, z; F9 u' f9 W( Q]
7 O4 Q; o. l8 l" X/ i% Z1 xset [local-reputation] of myself (local)
/ H) A p! _ k7 y; u: X( t0 Fend
* {: P% u/ I9 C" w7 J5 N' w1 M+ s! E3 Y! g4 j
to update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" R+ d" y" Q5 e) N$ W! r- W, K9 H
( h" ]7 i; o* I2 e* ~+ J1 H
( f) L! E6 ] D
end9 a9 m; \: X. i- M
$ v3 ?2 s: _) v0 uto update-credibility-ijl ( W5 M8 b* f( @6 Z i
/ _ R* [7 s# T3 T- s, B;;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。! N/ }/ ~5 y; z0 L: d/ `
let l 0* h' x6 f3 b% Z. Z& a' k! }7 b
while[ l < people ]: Z$ l/ t! P: X4 s0 F, M) y- J- 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
' k! v9 f1 `6 z4 r2 S[
+ J# a; W: h, T. plet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
0 S9 ^; T) d$ {; p! r; m+ u0 K+ kif (trade-record-one-j-l-len > 3)( s$ d7 _- l; c# v6 V" d
[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-one8 T9 e: N9 u# j
let i 30 Q) r& c" x, o/ T
let sum-time 0
6 j s; Y4 u1 O2 ?- l4 W0 iwhile[i < trade-record-one-len]# `) r" [! n1 N, g' e! W
[
6 P$ j5 N* V8 b# mset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )# j1 v# R7 y: L e. Y+ p
set i
2 { W0 ]- g3 E1 k& Y/ z. r( i + 1)) W2 L# Z% Z: G
]! b& ?! X* B5 n1 r: ~
let credibility-i-j-l 0
3 `$ u0 D2 V$ \" O9 ~: b6 @7 a;;i评价(j对jl的评价)
/ y1 @9 p5 R' Q8 glet j 3
/ _- a. O5 j0 z2 plet k 4; B7 B7 I+ c! H! ~- u/ O% c: ]
while[j < trade-record-one-len]( k/ X+ S0 C/ B, m0 D1 U7 q& m0 m
[& W, L/ E% j% B1 E# L- Q
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
/ P0 P$ a# c! x- s0 b8 }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)9 T0 R* i [+ h4 E7 k j
set j
9 Q* o9 c+ n& H6 c& v( j + 1)0 H. j5 H$ _; b1 D1 z" M& I! Z( O" e( E
]
% Z( f `5 W" Z5 t; _8 }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 ))7 @" a/ r4 g; z" G1 s4 A f
, I" P2 ^4 \2 O% P* x
: J2 B1 c K! F( Nlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))1 M7 n) j8 x( p' x' r$ f
;;及时更新i对l的评价质量的评价8 Z& V' V9 i4 l* q% b( h3 W& B3 g
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]& `- N6 g& a8 ]
set l (l + 1)5 ^6 `0 Y8 J2 f e
] x1 T8 X# X9 a
end) |0 x) B6 A3 g- N0 Q/ c
* p. \4 n- o7 l+ n2 C. Lto update-credibility-list1 |% ^$ g3 U9 d$ q& u
let i 0) w! _$ C. [. _8 L: z- N6 x$ H
while[i < people]
0 w2 {; S5 z/ f9 ]' w+ l[. H9 K4 N$ Y5 G0 v8 X5 E% A
let j 0
% f* h! K* l" z8 M! D# _) Rlet note 0
( Q7 \/ k4 C' Z6 P! {let k 0& w3 k3 v" p! q9 M
;;计作出过评价的邻居节点的数目 a6 }8 V2 }: L' @9 v
while[j < people]
s) B" {. c& u, i# Q[5 C, g4 D. i$ I# p7 I* t
if (item j( [credibility] of turtle (i + 1)) != -1)
3 f5 v' M- Q; A: K. u! s/ ^;;判断是否给本turtle的评价质量做出过评价的节点4 F" p# G7 o, s) l: \
[set note (note + item j ([credibility]of turtle (i + 1)))6 q3 t- Q. c ~
;;*(exp (-(people - 2)))/(people - 2))]) E" n' \) w1 K0 \: g4 d
set k (k + 1)
/ P* ]8 j7 y& D Y4 x( U7 i6 c]- p( o+ S1 i! ?+ X9 V; W1 I) I
set j (j + 1)
2 K4 k2 C7 `1 H" z7 q/ A]' E; ?* A3 ]% o0 w: U) ]
set note (note *(exp (- (1 / k)))/ k)
. H# }+ j9 z1 q$ X2 ]9 L4 g8 Mset credibility-list (replace-item i credibility-list note)2 l( L2 L* u% o8 b
set i (i + 1)
( h( {; X! L$ ]& `1 s7 H9 D]
3 i4 s/ I: b/ P) g+ u* ?( q6 Tend
- p1 `- M0 Z' L4 W$ e* d: O, \6 V+ F1 F3 ?! u7 m J
to update-global-reputation-list
4 k. Q' X5 V# }1 q+ A, Alet j 0+ G* h+ K* b) n; y3 H) m, u
while[j < people]1 U- } ~2 @- Z" o
[
5 f, c7 c5 ]( {8 z1 K3 p1 Xlet new 0* o% F( ]+ ?! {- n$ |3 ]# w L
;;暂存新的一个全局声誉- g# z/ G. j3 \/ {6 |6 {9 U9 c& F
let i 07 h% L/ B4 D3 p/ z) K2 m# y" T
let sum-money 0
. L! j# V4 O+ W/ l* ulet credibility-money 0
. M: P9 T6 K, f0 g5 d* swhile [i < people]: u8 ]8 e4 w% I) \- T1 {
[
7 f2 T! S6 ]5 R5 Hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))$ c5 G+ I0 E3 K+ M, \ b" K- n
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
7 Y/ ~! W, F4 `5 ^1 Kset i (i + 1)
2 k& p% n; n* S# m# F* V]) v8 W4 z4 B4 M% @
let k 0( j0 Q: J4 w( o X! T, y5 `/ L
let new1 0
6 t9 w# L, G5 Y I% s; mwhile [k < people]. _' B' g9 ~8 j5 S9 g
[
6 P4 U) n& J y6 ~# }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)
( M" g$ t, k$ s o, P, Z& p, Zset k (k + 1)1 n) M! |# Z M* t( }8 `& V. h
]" t' R2 z# \7 U/ L+ ?, v+ u
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) + D, X, E U2 ~2 k
set global-reputation-list (replace-item j global-reputation-list new)
( H+ h3 O) ~4 ^/ U2 u- Sset j (j + 1)% y9 G" U$ O4 h$ f9 Y' r l
]
v5 y! ~! L- z% j* I9 Xend/ e0 N3 x+ ?9 X3 ^: |
/ i; z U2 Z7 C. O
& H7 [6 J6 H1 t+ d* h' a& L6 l7 B7 t& W6 |7 ]
to get-color$ ^, U4 o" Z }) v0 ^
8 W% k3 L' |! \( {5 iset color blue4 Y: Q4 F# ~% g* L! e& h `. N
end _, v* w" b' m$ u
% w1 A! \$ z4 S" f4 |( d" Q3 m
to poll-class+ W2 [6 ^$ S- n5 l( @
end
( G* E5 t- k4 y5 |2 G; u$ n' H( S1 p, e5 m/ m
to setup-plot1/ v: U6 F5 M u" T3 R/ R, H# q
! |9 q3 [2 u5 ?, E! ^- j x* kset-current-plot "Trends-of-Local-reputation"3 F: K7 i8 F0 |, c$ J7 b
# b: u4 A! }' {# u% h$ z, I/ o; ^* Qset-plot-x-range 0 xmax
0 f6 S1 P: p- j# W! U
* Q" I' V1 t9 K2 M& {3 U& o* ]set-plot-y-range 0.0 ymax- B' s+ V; \0 M9 \) I1 ?! R. X
end! }! H/ g6 L, q) ?
6 o9 B G/ y h4 zto setup-plot2
+ A5 W7 J( J! ^4 r8 E7 c. }+ k% p/ Y4 e0 }4 \" k* y
set-current-plot "Trends-of-global-reputation"% D% q! v. k! s- K0 A3 f; b4 g
' n0 P6 z8 e# D2 Pset-plot-x-range 0 xmax
" j! `/ ]5 V" i) z, C+ N
0 J" D0 o. w% {: \# Bset-plot-y-range 0.0 ymax
' l7 G5 L6 M* S: D. o! l. j( uend
, w4 ?4 ?* A( k1 d+ `
( K) p3 X1 q0 C3 J* R o) Kto setup-plot3" M8 P2 i; T. W0 g" E
/ T7 E1 j- w0 L0 F2 d, Z
set-current-plot "Trends-of-credibility"! k1 [* e. q1 b. k) C& l
9 d4 y* S, {; B6 |, Q3 l
set-plot-x-range 0 xmax
5 T$ D9 z$ ~+ \9 }, `$ w. D
+ V9 G, J. f: q/ hset-plot-y-range 0.0 ymax3 p& f. X. r! G: E
end6 z: n# ~% K& B) P
: W2 I% \5 w9 N0 Z# ]; O1 s0 A
to do-plots* B6 M7 X5 ]- l1 y. V! E$ K( I
set-current-plot "Trends-of-Local-reputation"
( N+ x( f& I% s ?set-current-plot-pen "Honest service"
6 T! ] d! o9 ~1 Iend
% m! a5 m5 U6 f u
6 L6 G" y/ R; U/ s[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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