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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: Z3 `. _. K: n- {0 j1 Q% `
globals[ `4 k$ e& T0 F% n# ]
xmax
/ ?1 ?! }/ @$ V8 ]; dymax
) }* c$ I8 _$ j% ]8 Wglobal-reputation-list# ]6 v2 g/ V" q- p1 x5 x- n8 z; R
% ^# Q. H% X/ d
;;每一个turtle的全局声誉都存在此LIST中
7 K3 d( W: u4 A7 c- a! t$ `credibility-list
2 t \; A4 V9 u) q8 T! i;;每一个turtle的评价可信度
2 s" d% D2 j: J$ ~+ |8 Ahonest-service6 @7 [5 i' I% B; [6 `% Y k6 n
unhonest-service7 W3 C! X/ V5 |5 s( E4 b' y
oscillation
$ y, N6 f% [# K* i* X( Trand-dynamic- P8 j) R/ _/ w( ?! T+ T
]
+ d$ ^3 ^9 ~+ A' H- ^* Z+ C4 V! u" ^. _/ |* y0 u$ ^3 [. m
turtles-own[* p" U( \9 v O* B3 I7 q# D
trade-record-all
) M, e! v/ O: F; G;;a list of lists,由trade-record-one组成
* Y: H& S. c X3 R# L% I- Q, Mtrade-record-one
& o1 Y3 Z9 r' u5 ?! _8 P( g;;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( H5 Z- u+ x* h, s0 ^7 g, `
8 m# A( a* K. T* f+ W/ 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]]; H* P P3 W6 _
trade-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 K3 P9 A1 E! g P6 u; Kcredibility-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
) g: w$ S/ `; J. s6 d2 x$ G3 ineighbor-total! A% v5 h, ^$ H/ I: z% H. ~
;;记录该turtle的邻居节点的数目8 r# O: p- C" @( g
trade-time5 d6 A) c$ W- Q& c2 {$ h
;;当前发生交易的turtle的交易时间9 s0 D+ R; h9 d8 X
appraise-give
1 H2 b- I9 m) k$ {;;当前发生交易时给出的评价
, N6 f& ], l3 A% T& Eappraise-receive# Z$ O" ^7 y- L3 k Z' r8 e/ D% o$ Y( L, i
;;当前发生交易时收到的评价
2 y! U6 \2 J" l6 V4 s4 M) ~appraise-time
( d+ D' P' N) f+ ~;;当前发生交易时的评价时间
: X( l' v; a2 D) ylocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
8 d0 z9 A" P1 ], Htrade-times-total
6 P4 E1 U8 E# |! I+ x2 P;;与当前turtle的交易总次数0 y( Z$ x, F2 f% `
trade-money-total/ N! @0 d& g- C/ G/ {& a! g1 X! Q
;;与当前turtle的交易总金额
9 o) k6 U+ g2 X1 J/ s) H, X+ w; L* `local-reputation
$ R3 S& m: j" H7 }global-reputation5 l+ l5 X0 o3 h. F
credibility/ T4 S, x! r. P) e$ p! e# u3 j
;;评价可信度,每次交易后都需要更新. B- w( J5 {$ M- {
credibility-all
7 R: Z# g/ K' k# @1 h b;;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 T3 {' {5 ?/ p$ f8 `
: l' [$ C. v/ U4 @0 q
;;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! |8 T. L+ `# M$ J/ L
credibility-one" z8 k3 `* \+ D9 `5 Y
;;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 S5 M, @- M2 C( [$ E
global-proportion
2 R0 V( |% O5 z0 o/ ?( @customer! P! I, t+ g& k7 _" N! `/ R
customer-no5 j) x5 U% T9 Z- r9 L2 N
trust-ok
( O8 S( g! ] n3 o+ o2 Z; }* Wtrade-record-one-len;;trade-record-one的长度
4 b6 d2 x$ ^; D: ~( x( J+ J) W8 U# v]
1 Y# c/ j/ g# c1 j" p8 I2 S! Q' b. Y$ w3 P& e; X% I7 X
;;setup procedure9 a; n+ Q. D# s/ \- c9 v
6 s, v! d8 o; M6 c" V2 R/ B, X
to setup
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ca# L4 y; B% W3 L$ {! i
# e. c. |+ |" H' P5 z
initialize-settings- {- [# j. R% j8 [5 v2 o. v/ ^
4 A; a$ Q9 ]+ y& n" c# m! n" Y# I9 Gcrt people [setup-turtles]8 l; }* L2 X3 G
1 \! ^8 V" m+ s8 k% ?reset-timer
7 B W% b& u V) ~; O# Y% X& V; F! X) @' ~/ F) W3 w
poll-class
- ^! r3 R2 J2 g% H3 [
+ W2 t" z7 Y2 o# O" Nsetup-plots
L+ c# t( k Q0 R- y
9 o* ^8 s/ b1 ` M5 p5 R$ U/ |do-plots6 ^8 _) L# |2 O
end
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* W* C- N( L2 K% h1 Y8 ^9 T8 `% K, [to initialize-settings
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, t0 c2 q0 y' A5 |0 g, nset global-reputation-list []4 G1 `% d7 \! G
' v& {5 q3 L6 n: a1 P% E) S
set credibility-list n-values people [0.5]; p6 ~. t6 Q+ k1 j0 d/ m
+ w, N: Z. p; R1 G m6 E- lset honest-service 08 J! A0 |/ O8 w$ a' S& V
$ ^ U9 P" W6 x" h/ O
set unhonest-service 0
: x! }: _* A$ E7 v5 e6 _6 d
/ L0 R( z9 y3 s4 o& q g9 gset oscillation 0
5 `* p9 L: ^1 ?6 \; t N
- M+ }/ j; I9 Z* X1 |- g8 Uset rand-dynamic 0
2 P1 z4 j8 w [6 v7 Y- k) W0 Vend q+ a( P6 J. g: u: _
5 a: @2 }9 q, E! N& Ato setup-turtles
1 ~5 h& V% Z, p& L/ kset shape "person"
, J, P$ J5 r( v* f5 asetxy random-xcor random-ycor
4 f' W) ?/ j5 o5 ~8 K5 G3 _( Rset trade-record-one []( w# t8 }* _( N" I
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set trade-record-all n-values people [(list (? + 1) 0 0)]
) l6 p0 H6 t. K4 l0 X, D1 r0 s* B6 |$ I# H% L( B8 x8 d
set trade-record-current []
& W+ t5 v* V( M6 ]set credibility-receive []
F2 _# h; p( ` [0 Eset local-reputation 0.50 A" |, t0 i3 s0 E- @" Q
set neighbor-total 0
* x/ a% |* C4 k* B2 d' P. gset trade-times-total 0# x: R9 Y, v6 e8 a5 T7 i
set trade-money-total 0
2 |+ c$ X/ v6 E& Bset customer nobody2 W8 ?1 r4 H( C* u7 l
set credibility-all n-values people [creat-credibility]% ?5 t- b# k4 Z
set credibility n-values people [-1]
: p' }" O/ X- x9 Zget-color8 D& @/ S$ O% Z/ P' c
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end7 Z7 y$ M3 i5 ^" [5 f
* E8 P6 b5 u4 a6 G) s6 ?/ k# nto-report creat-credibility
, s7 s$ m4 D$ g/ freport n-values people [0.5]% w6 @+ X6 i* D6 Y
end. _ x" K# K7 U) h" E% K5 {
: D' q N8 Y+ @" U2 fto setup-plots
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set xmax 304 f0 h; b2 I [+ Y+ ?# {2 \
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set ymax 1.0) F4 ]" T0 b0 ~( W6 T
, V5 B" h x& |1 r! |. n# K
clear-all-plots! M5 l5 z7 U9 d8 j: o
3 g" {4 V" p5 u# g/ Y7 Msetup-plot1
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setup-plot29 O6 x6 D9 y9 P4 }, v
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setup-plot3
# \, C0 S! M7 j- |) }" ]+ A. Mend0 |% {5 y: [& g7 W/ T7 \0 u
1 T( b& g: _8 C4 G3 I;;run time procedures
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7 L/ U5 \- e5 Pto go
]7 F: Q0 L. P8 X, ` ]8 k8 ^$ y Y& W D! i$ E( I) l
ask turtles [do-business]& u( W3 n8 q( h/ d* w) s: L
end
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# G/ b. _* W, I4 J4 sto do-business ! Z, x* U) M# e. {2 R; N6 B2 x
& A$ f$ f0 w2 m
5 {! T; {% t& b' P# L* yrt random 360
0 j; Q* V, h1 Y/ ~- @2 P' g* y* B: ~' v2 A
fd 19 }2 E2 U2 O7 h. q
9 f" M' p/ D3 u) a' [ifelse(other turtles-here != nobody)[
; b! X2 t; D7 q$ P$ @
U" c: x! I% X* W1 {set customer one-of other turtles-here: f5 r9 U# ?. n2 x2 Y
) z! U- I# N/ H0 m;; set [customer] of customer myself! g6 [, r, }2 t
! [! V% Y$ a: @
set [trade-record-one] of self item (([who] of customer) - 1)
+ e+ F( F+ Q/ M/ V4 q# r, L4 z[trade-record-all]of self
. j2 y2 m8 _+ R8 U9 P! Q;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self& h7 P: n3 E7 Q8 A* ~
X' v* j' E0 {; L2 Q6 C: Rset [trade-record-one] of customer item (([who] of self) - 1)1 h0 a+ [6 x9 [# m" K
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self- l# ]% I. @& m6 u& ^, ~- O1 d/ [
7 j$ P N* E& B
set trade-record-current( list (timer) (random money-upper-limit))' a% U: d y- h( b8 [% v
) U0 W: M- k! ^( n; C( E% O! w
ask self [do-trust]
$ L/ K# q: J$ _& I" s;;先求i对j的信任度6 \1 V; {8 e2 u$ @' q1 m
/ b# E% u7 j/ ] Y/ @' Sif ([trust-ok] of self) d0 L5 N3 E3 D# W( ]2 H2 H" Z8 r
;;根据i对j的信任度来决定是否与j进行交易[
% w/ U" R# b7 S: Mask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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( X* i0 C5 r1 \& |. l0 n! j1 H[; [8 V: U l4 }8 f
1 I O+ I, U& u9 ]/ Y( ndo-trade
( E1 j: X* p% w1 u; ]' A5 W3 K* J* Y2 Y3 _. k7 j" ?" n; d r
update-credibility-ijl/ W& U9 f$ p. a0 ~% f
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update-credibility-list
0 G( C/ z$ N: n. @. \
" Q2 f- W0 B6 G6 d3 |
2 l* y1 m; [2 T8 |9 ]. ~* vupdate-global-reputation-list
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poll-class* L B% x. v1 \: l, v, x
" _+ a8 {) y7 K! L$ N
get-color
3 y- ^$ H6 }0 |7 c, Y
9 @6 T9 A) r+ r) z$ I2 `$ y0 b]]: K/ P( N8 P5 C$ a( Y
* @" O3 U, Y% ^6 P( g- N. v;;如果所得的信任度满足条件,则进行交易
1 O, j1 w; K& X4 {4 G. ^. X1 k+ ^1 z/ q1 Y, y" ?( _* j6 c1 W
[- L8 ]" c: h0 ^& f+ ]! ^
" [! t/ u2 X/ n+ r2 nrt random 3602 C' m+ ^. g+ o8 Q* e! e/ k5 r
4 L$ `/ C4 o2 \8 w2 {% lfd 1! Z# T8 B8 k- t: K! @4 I
* d& `# g/ P5 z8 J. s, k: I, X
]
0 X# H+ ~1 b0 j/ a, {) ^) m
3 [' R1 X C* B% K0 B4 A" ^end1 M" c, {# m* W+ G4 A
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to do-trust
! Q9 k$ d2 W: y0 Iset trust-ok False
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let max-trade-times 0
9 z d: H+ e+ k, F: P2 \foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
, A; D( g: s1 Jlet max-trade-money 0# P! p7 z1 I1 v
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]4 Q/ t" n/ j" r' o+ z5 c, V9 u
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))$ i0 K/ E5 b- ^: Q& h) T
/ D6 {# u; q- s$ t5 V
4 X( V( v }5 o0 a8 [
get-global-proportion
6 k/ W! g5 |- a: K, Ylet trust-value& Y H$ f: E6 O3 f" L# k7 t+ }
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)7 L/ }4 t7 t, y
if(trust-value > trade-trust-value)4 ?7 K* b- ^$ N0 w+ {. Y
[set trust-ok true]. b# i* @3 l& e6 |* V
end
1 f8 i/ P: w" S8 `& H/ z4 |' A$ a) \# P6 l5 M r" x- P; A. a5 J
to get-global-proportion1 v0 N9 |, b( P' y) u- j
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: c+ `" a. E' l9 J+ I. h$ n2 r[set global-proportion 0]8 m' h9 O$ e1 g2 y
[let i 0
: F+ I* |( \3 i; blet sum-money 0
$ C! l2 |8 o3 y: Q) awhile[ i < people], y! G$ ^6 Z1 x3 K
[; I3 y, c$ G3 o5 l7 A
if( length (item i
T7 T5 P- P% N[trade-record-all] of customer) > 3 )
7 f g6 T0 Y9 l/ H0 M; e% ]! R% S* d[
$ w- v- `. c9 q8 N0 vset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
7 Y9 z2 \. x4 {! u) \7 K1 O]
- A" p# {# ~- c0 i% F a]
% {8 I, T2 b6 ?5 n9 C9 Y% Dlet j 0
+ S& w( v0 q: E, V0 F" Flet note 0( O- P% k( O1 A1 z% c
while[ j < people]
+ _3 _# @, ~) S! x/ p0 M! g8 s[$ `9 V1 U; |9 w! E, A- I
if( length (item i
% r1 K: ?- W% `: m& X9 L[trade-record-all] of customer) > 3 )& }2 x P; a r0 {6 P% W, B( D# t
[
* \9 f8 Y# h+ K( Z/ `/ m9 Xifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)$ x- u; L% L( w, Q
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]1 A' Q0 n/ [6 I1 _% _0 s
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] }& W( N* N7 e
]
! p! K9 ^2 {% ^" t]+ A# T: E' L4 H) S. @
set global-proportion note+ r. ^7 P: \/ E% `8 _1 }
] u$ A+ L" q8 h8 R
end" W) \7 |- I2 E i5 L$ a+ O
7 j0 g1 b: t y5 ]to do-trade
! I# B+ n3 E& j! Q' H;;这个过程实际上是给双方作出评价的过程
! _6 E, _, Y% C0 Nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价6 N) {; B8 O2 h& s) z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价1 S( j# S9 S+ U& v
set trade-record-current lput(timer) trade-record-current
+ h6 J: }5 [9 o3 X0 C;;评价时间7 X7 s2 z6 ]( R" O! K3 B
ask myself [* ^3 r+ N. N1 ^# L1 j0 x) S
update-local-reputation
) Z0 t) O/ {+ E. i' @ yset trade-record-current lput([local-reputation] of myself) trade-record-current
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set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
5 `1 l! ~8 k# B/ H% ~;;将此次交易的记录加入到trade-record-one中
8 Y! u7 a( n& o H; ]$ ?! dset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)7 J( R" a2 L; k9 C' {
let note (item 2 trade-record-current )
- b6 Y6 }6 G; @% {set trade-record-current. O; n t! _* x) |( _
(replace-item 2 trade-record-current (item 3 trade-record-current))" N* s) g( K1 i5 f' Z) Q
set trade-record-current
' I1 e0 Y5 v; z; v; B(replace-item 3 trade-record-current note)
7 q* r$ v, P: }5 y9 ~7 @2 m- z. O1 f9 h5 N" D. p- ^: K
1 c4 I# N6 p! t3 ^ask customer [
- ~/ Z. }9 k' U' l9 H% I3 jupdate-local-reputation
9 s# z. B/ p: o Cset trade-record-current1 y& R6 K* c' Z, z3 I
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
( ~& @: \# { b( H$ d]" V- t! @9 ]8 U& Q2 r3 d
8 n/ A. x0 {6 R) p ^ e1 ]
( H: X$ m' c3 Z+ q. P7 N( K* w
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer+ k" o7 \; j1 V0 o$ e5 g& s' M. C
2 l$ V* G9 d% @; E% g1 h& I- yset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
; ]9 D+ R2 {. E: `( S5 w1 ^;;将此次交易的记录加入到customer的trade-record-all中
& ~8 ^7 c7 w" i" e2 ~" |end% C6 O: Z) I# Y7 K
' Q, [8 G4 T4 c3 V5 `7 fto update-local-reputation
# a. A! ~4 X7 W ^set [trade-record-one-len] of myself length [trade-record-one] of myself
& w8 o$ \# _* W& ], j; w+ l- c( S
) S3 `( b7 H0 f* u7 |
8 F6 d" t0 n( ^$ T;;if [trade-record-one-len] of myself > 3 % K- L* k1 K. C, o9 n! o
update-neighbor-total+ p" Q2 ]1 Q3 g! I7 Y7 E
;;更新邻居节点的数目,在此进行
! v: f* O% a4 n: ~' ~# _let i 3( `* t3 h/ D3 G2 j6 G% T4 ^ w/ {
let sum-time 0) d! V5 `5 ?% A& G! Q' v+ n
while[i < [trade-record-one-len] of myself]% O+ O4 M( J6 ~' ?# [5 r4 N$ U
[; a1 S$ O6 X" o* K+ F5 C
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )% i) [+ s6 N3 c6 s' f. O4 F
set i
0 z3 N S0 d( u# x8 n e( i + 1)
$ }$ P5 t/ O/ @% U% e; w1 J- j]
1 W/ g8 n9 l% k4 `6 y" nlet j 3$ u7 s( }4 _4 H, ~' s0 Y, S$ ]
let sum-money 0
]0 [: @/ g; {$ l( bwhile[j < [trade-record-one-len] of myself]
( W! ?+ Q' E; j7 C[
0 t) U; H6 q. `3 ^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)* E7 k+ T; y% P" ~6 a
set j# I9 M% F8 q( j* z& T
( j + 1)
5 |- p% Q/ {' O/ E- k. p6 `]7 i+ K, J2 O. y4 r( o1 W" ]& Q
let k 3
- A7 U) ^0 J+ A0 }: ]let power 0
# o4 y4 b& E: Clet local 0
- ` g6 k/ ?: k1 ]4 D! s# l" }while [k <[trade-record-one-len] of myself]6 w( ?5 x, e* D, c
[
, k: l) `- N- L+ P8 _' iset 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) ! l o0 `! F* @- k6 e, Y
set k (k + 1)
' a6 J$ t5 m8 ~9 F( ?/ {( u" l7 A]6 m% Q% D( Y# K; n$ G
set [local-reputation] of myself (local)/ z! U5 {4 H, b/ t: r% ]
end
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to update-neighbor-total( v" Y) ~5 U& a/ d" t; I0 F6 G. n
/ ?3 E7 [5 Z5 L% M6 U5 G! J2 R- cif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" ~& z. ~. S* c% r, h
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end" `& s+ l' Z4 Q) A
+ u6 y/ Y( z3 t+ T! `/ d. kto update-credibility-ijl
3 L. e8 l3 \: d+ E9 d7 X4 w, C0 T7 B. h* |
;;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。
) L) v7 U. i* Y/ Klet l 0) h Q( Z) r3 [( m7 y3 L
while[ l < people ]
# [) S' L) a) t; U; T0 U;;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
: w# Y' |. R" e4 a2 v2 b[0 x$ Y0 ^; T5 {6 p& I- g
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)$ L) ]: M/ [; A; B' j
if (trade-record-one-j-l-len > 3)
. ]! p1 F+ w/ ~5 G[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
. G p/ q( }1 m( M2 F7 S7 @let i 3
7 Q! N% U) i8 J5 J; d' rlet sum-time 0# }/ u% ?: V9 D7 |$ d
while[i < trade-record-one-len]9 | D. \ J4 e5 u! i) `! T1 C
[
- G; X- L7 [( B+ ^ Q; V7 n; K5 w% rset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
7 L% B# x) Q6 c4 Eset i
' t/ n0 U K) Y" ?4 |( i + 1)3 a4 q6 E6 V' N q8 q
]
8 S& X2 C) s; t( o }let credibility-i-j-l 0
; W, v, V& I" J/ U" L0 m! O; x;;i评价(j对jl的评价)+ s8 b+ O6 t9 o% j8 E6 K
let j 3
6 q( _3 `1 M1 c8 J$ O* \1 |* Qlet k 47 X W- c% h: ^2 m/ K
while[j < trade-record-one-len]
6 J( E6 g! x3 y& ]0 {[, N! P" h' n$ Q- [" l. M+ ^( P" d
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
, I4 K4 T7 k* U8 q# Sset 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)& _. r3 ` c* q& G4 \+ P# T3 n
set j: h9 q' G. {/ I8 A$ R3 `7 j0 y; [
( j + 1)
& V1 q$ k5 o: }/ x( W]
G0 ?* D! N! G' P2 |4 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 ))" Q1 l3 c* S% P; l d' q. \* |6 ^
0 Y1 M3 D) U$ ~9 s! j; ]
' p) r8 x2 m' K( I
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
+ g3 i+ q' \7 \; E! i;;及时更新i对l的评价质量的评价
8 f# c- G: t; Kset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
3 V" V& M& M& f4 p) ]set l (l + 1)
) }- L/ f0 P2 u- {8 A e0 {/ l* }]
G# f( t& j3 G& H) t2 Q! t, X7 Yend
8 C, S4 O: l- x7 |2 z9 a5 |$ b. U `$ B
to update-credibility-list
5 x; l" [ q, g0 L; @+ n+ Z$ Alet i 0& J( o4 J: n" W0 O) d: M4 w4 @
while[i < people]; }$ l5 m6 ?0 s# Q }
[4 L' F5 p9 E" o& ~4 m/ @" k- m* W( F
let j 0
. T7 m4 k; x6 ?let note 05 T) Q6 {3 m& v7 P! |% g* S3 S& t
let k 0* W, _# [+ ~/ B5 H
;;计作出过评价的邻居节点的数目4 N2 Y0 V' o& Z9 R N7 T/ F8 m
while[j < people]
/ Q3 }; R! S6 j% [[
9 o( \0 U* D4 j1 rif (item j( [credibility] of turtle (i + 1)) != -1)
( P# D' e* m$ _9 t& q! a+ U8 H' S% O" S;;判断是否给本turtle的评价质量做出过评价的节点
3 A% z) x# C' n9 Y7 n[set note (note + item j ([credibility]of turtle (i + 1))) B' @2 _; h4 m& w6 e
;;*(exp (-(people - 2)))/(people - 2))] D4 D- U0 a9 h+ @% M
set k (k + 1)
4 W7 g) U9 M) {3 }]" i! |. d$ [- \
set j (j + 1)
1 x: ?- [& c/ u]/ q6 c+ g. J& h" {
set note (note *(exp (- (1 / k)))/ k)" _4 u! A( t4 Z! P, ]1 X2 w
set credibility-list (replace-item i credibility-list note)& c; q( G* a. S! V9 I; c0 Q: l
set i (i + 1)* N& M7 o& d% u% ~5 b3 g5 \
]
$ B6 Z0 Z, w6 d& w. t5 {4 R/ nend
; `5 n6 X) U6 m6 Q; G; I# L" i; L9 \- k; K( R: P8 \; M0 T& u
to update-global-reputation-list
' D' Q7 Q, ^6 Z$ o3 Alet j 0
) @/ f8 I% Y5 s8 C# j* Awhile[j < people]0 r$ r1 \# [* t
[
2 T. a5 K+ M/ v) [9 e X9 llet new 04 Q) ~3 d' \0 W6 c- U& A5 y" g
;;暂存新的一个全局声誉/ P' {" |' g9 B; Q8 T" ^
let i 04 W! x9 ~3 Y' Q* g; e
let sum-money 00 \! v* B2 O& ^, Q" Z
let credibility-money 0
/ }/ U2 O7 G. U7 |% e% f* Z9 m& A$ J7 B/ Dwhile [i < people]& g7 k% T% r) _; t8 a) D
[
7 |& O; `! H+ _ w$ e* A. D/ oset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
) v3 `1 O! d: sset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)) f: Q$ ]6 D* W- B5 B# g
set i (i + 1)
% u* A/ Z; i. S) U: K]
9 }4 F0 o( j2 plet k 0* ^- M" ^2 h! x. e7 ~. f
let new1 0
, h' i2 V+ c5 G, T8 zwhile [k < people]+ p `- X0 M8 g7 y
[
- x8 g3 e+ u5 r: K! 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)( n! w% l# M/ _0 R8 B
set k (k + 1)7 A4 n# l# ^2 t. e+ H+ ]
] Z2 U' s/ [9 S! [' l
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
7 k- F' m7 g# p* }& I4 M1 ~ wset global-reputation-list (replace-item j global-reputation-list new)7 N) w9 b e3 F
set j (j + 1)! z7 H7 G: V: V- H) l) y
]5 ^$ t7 Y& p3 {# v3 A
end
3 B/ p6 i" K. ^: K% [, m) Z- k5 a8 d# q4 v
; w$ E8 w1 O4 ^6 s/ r. H R* k
' n: }& h% d, s. g+ Wto get-color
7 P; t# f- U' A6 j' L5 P
, v0 l8 q3 Y* q' M( @7 P/ S0 Iset color blue
3 S. g. v) r! x( jend
3 H" d) V8 k+ q/ o, B+ D9 f3 g- j( U
to poll-class8 Y# n) F J4 c' r6 V' s& U
end# \0 Y/ o9 x3 y1 x
% V3 [+ Y: W4 J0 ^to setup-plot1) O5 w6 t. k# f$ O1 {
( {+ U* ^8 y3 z- m( v6 G7 l
set-current-plot "Trends-of-Local-reputation". b" ^: K& Q7 G+ c. n5 d! ?
0 A! T: L7 y# _) P
set-plot-x-range 0 xmax
2 L4 u" ~. w4 G- @* V' T1 @) p$ A( |. H7 d& H; X, a% N
set-plot-y-range 0.0 ymax
# F& F, v& S M0 X. wend
! D+ G- a1 r1 Z; r, A; _0 R9 x/ a7 t6 |" J. B
to setup-plot2" N* t* T( G6 R8 v
' S: g# L# e) S
set-current-plot "Trends-of-global-reputation"
# O/ R6 k8 I1 h3 h& C, N3 E5 ` A
set-plot-x-range 0 xmax5 s' [% {9 ~- |) H- x, q$ s! x7 Z
8 N0 G9 Y. C; o" _6 ]set-plot-y-range 0.0 ymax
p1 H: l7 Z$ j5 `end" o& s1 Y( m! i2 q& b2 L* k1 d* ]
! x( B$ A$ g: J" C. Z
to setup-plot3
5 a" ~! |& {% ~4 ~$ C4 O: n7 H) |, f) u! g" x
set-current-plot "Trends-of-credibility"+ J+ L. }9 O: r! e0 y/ i& j
$ u3 f, e; J8 W* V% F X# O# tset-plot-x-range 0 xmax ]: _; Z+ v: O, f3 p; T4 z+ f; Y. s0 j
* f; B3 I, [5 m& ?+ g7 Nset-plot-y-range 0.0 ymax, B' r# [# g% [+ a
end' ]& V% @) @0 i, o0 B
2 q. C. K$ O6 v4 B: B1 z+ c4 p, |
to do-plots8 P/ W i! w5 s
set-current-plot "Trends-of-Local-reputation"; M* }1 G/ N! z Y' @1 ?
set-current-plot-pen "Honest service"
) z8 T$ N. X ^9 q- Q# S9 {end' S0 A# l/ x+ r+ i6 \" g
$ a& e* `/ ~5 X% z[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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