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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# f: O% q- Q/ g3 i6 Pglobals[1 [" ?6 j' [7 n% z3 n; e
xmax
" l( }" H; D8 c1 ?* Iymax7 \! L5 C: H* y, j
global-reputation-list8 C+ J. ]$ i& t$ O/ m
. o6 r* Z5 d2 t' c- l
;;每一个turtle的全局声誉都存在此LIST中! b* K% b& {6 Q7 H& {
credibility-list. s# v: u# H% M' J! T3 F; H( V( {
;;每一个turtle的评价可信度
6 J, y7 z9 y6 b8 |5 e) X0 b! Ihonest-service3 X% D, [/ I# L/ G& B4 c, Y2 b
unhonest-service, y6 }+ S8 R+ [, i) Z: H6 S0 y" p
oscillation
" U8 O) ?; O3 Y, rrand-dynamic1 I$ G% x/ ]) c* \
]
' `( ]6 s: K# Q; }, @. ~! L0 A0 g* J6 x; `2 F! S! v
turtles-own[
5 s( {0 Z6 @, L$ O9 U/ ^* p4 ]trade-record-all7 I3 {( i; H9 |4 X+ Z
;;a list of lists,由trade-record-one组成
+ g4 @9 h! E1 p; t ltrade-record-one, p, Y( \3 E9 ?( z, {% a' ~
;;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 i. V/ T5 k) P1 f3 _5 d' G2 I+ o: O, o C
;;[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]]0 B4 I8 L7 w$ s: Z
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]" g% r" i' ]4 t' P
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; u4 e- T% A) ^1 o: c1 N' \
neighbor-total& F; [' h( D7 ?# I5 {5 h
;;记录该turtle的邻居节点的数目+ D& j+ o& ]- I( Y( y8 s' X/ s
trade-time
# G& y7 o+ B% f9 U! T' N. i. [;;当前发生交易的turtle的交易时间
; n# X4 l# F$ ]+ @+ _: d; T6 u: Zappraise-give
4 W; r) A9 D) l' R6 o;;当前发生交易时给出的评价' @/ M" s! m6 F( X" Q7 }% J8 J* C
appraise-receive
* h6 C( S) u/ y7 h* P4 b;;当前发生交易时收到的评价3 \- {8 v; c! F+ k% t& \* u
appraise-time; Y+ w1 j" {! N8 u3 W; h+ ?6 w) m
;;当前发生交易时的评价时间 @- F# `+ ?; N& G
local-reputation-now;;此次交易后相对于对方turtle的局部声誉0 O8 L! u, E1 K- {* V5 m
trade-times-total6 i0 [6 G; r% n7 u, f3 h3 P
;;与当前turtle的交易总次数6 L# R! s i8 k3 q9 _! `
trade-money-total7 f2 U( P- `# n' z/ S- {/ p
;;与当前turtle的交易总金额0 K# J8 A% i/ p
local-reputation# }. j$ b8 B+ m/ a+ [) ~) L5 S4 V- f
global-reputation8 {+ H- E- x) a+ R/ S9 H4 e- a
credibility
7 W1 c" b; \' f2 L: A/ H;;评价可信度,每次交易后都需要更新
( }0 Y/ ^! F5 ~0 w! Pcredibility-all
A, p" ?; B' F: n;;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 [, {0 ?$ d( `- z- N9 t+ M
& J; Z0 h9 {( C6 L;;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/ z7 U0 x5 w2 F
credibility-one
9 K' S% L8 ]) Q+ H7 v; r+ m# R;;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 \% r& K8 e: i4 |global-proportion0 H# C! `4 u% C/ A" m
customer# U! s5 n, e9 w" H/ x0 {8 z" ]2 _
customer-no
( @! a7 W9 y2 _8 wtrust-ok4 m! V: N, j2 [ w
trade-record-one-len;;trade-record-one的长度
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, z" m2 j3 O! g0 L: h7 Y) o;;setup procedure% m9 I" p; X& n9 S5 T
# n2 L1 @1 O, `& r; W/ S
to setup1 B/ u& S# @) _' e N6 K9 p
" o9 x: n& h- _
ca
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initialize-settings& ^ \ I3 V7 b3 E
3 D+ g7 B) u& M$ d8 O, }
crt people [setup-turtles]: _. _2 P$ f1 c/ ^: `
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reset-timer
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4 v. I. w! i3 a% Y% Y& I6 ]6 Upoll-class
8 P P; h" ~5 [& P
/ @' _) l* i! v6 O0 P. f6 Esetup-plots
3 M' A5 u# E u4 @: j; i7 V" {+ b
/ b8 a; l5 }: {7 gdo-plots8 c( t+ E8 l8 c1 R( w
end
+ f) B) y+ u; t" U) u6 R7 s( P% T, S: y7 t6 e0 @9 D. \0 U7 `! C; }6 X* x" b
to initialize-settings$ U- @+ B( y5 N' R. C4 s9 m
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set global-reputation-list []
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set credibility-list n-values people [0.5]& {4 m& L6 E/ l2 d
3 X4 r* Z: t' A, S* qset honest-service 0$ q3 @. E: q% p1 N
2 D# c8 |: m4 ]; K! I5 }+ L
set unhonest-service 0! a# k+ t# O7 o* m' X
0 f- X; u4 H5 L* L, I) Uset oscillation 0, l' f- f& ?3 H9 U
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set rand-dynamic 0/ o: q8 U2 `6 F- b1 y
end7 X5 l1 i/ A& b( T
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to setup-turtles ) b" X7 h, _' g8 L& F+ h ?
set shape "person"4 H+ ]: [% @2 C( d7 I" Z6 T9 b
setxy random-xcor random-ycor8 Z5 {& M+ c+ s* }6 M5 O/ y! p
set trade-record-one []
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1 N5 _# L' t/ q, L5 \set trade-record-all n-values people [(list (? + 1) 0 0)]
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# ^% p( Y& g& ?: a- Iset trade-record-current []
1 x9 u5 _" [. g/ ~# tset credibility-receive []
9 q! H4 ^% I4 M9 \- oset local-reputation 0.5% ~: T r" j. `
set neighbor-total 0% A1 `- A6 M. j. B
set trade-times-total 0; b5 z: `: l# Z2 `5 c) v1 ~
set trade-money-total 0
/ G9 K& G4 P) |set customer nobody! `* n) d' D8 n' N7 _/ d
set credibility-all n-values people [creat-credibility]# \" h u# r% o/ H0 o( [2 i* j
set credibility n-values people [-1]
; {3 s5 |7 c" qget-color
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end
% x8 I7 u6 y; B6 ?: K8 F
) h1 ^! g" W; G& E& W0 L: o5 Fto-report creat-credibility
, E+ I+ A e' i+ ^report n-values people [0.5]
: _6 k+ W+ e/ s2 w c- e4 r% Oend" n# ^1 p9 L" h# @4 {
: I2 V# D8 i0 s; g- x2 C$ Hto setup-plots4 O1 m2 F5 r! H2 a" O8 C8 K
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set xmax 305 i1 l7 Y4 @- T& g
+ }: w0 E+ U& zset ymax 1.0
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clear-all-plots
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8 J& N7 N/ [; ]4 a8 i9 m6 Qsetup-plot1! S s) r: m* k+ [; q6 P# v
% C+ n8 t1 u& d+ P; g+ B
setup-plot2- ~/ d d. R- B: b- E
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setup-plot3
) N6 @# `7 i4 c% R8 wend& u/ x3 `1 m* a1 q
2 O: s2 I: D0 e* [" p; {! v% Z;;run time procedures* V6 f- R3 ]$ F5 n
) i ^3 E9 n) F1 L; Jto go
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ask turtles [do-business]5 L2 Y6 R- p5 d0 A* f7 A) E
end0 ~- ]1 Q2 e, u* o1 N2 D) G
& r' }/ D7 g4 Kto do-business 4 j* B+ Q- _9 d" E! ~
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' _# S& {$ u1 F [5 W& d# x
rt random 360& y2 L3 g6 h0 I( s) Z. t5 \0 n6 W
) i8 [& R4 e* z1 q
fd 1
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ifelse(other turtles-here != nobody)[& v9 `+ H# W% L+ Y1 u
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set customer one-of other turtles-here
5 I! z7 Z2 P4 B+ V+ R: U! K
4 v7 G5 N5 F: J0 c;; set [customer] of customer myself" @6 M! q- g2 Y
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set [trade-record-one] of self item (([who] of customer) - 1). z- T5 G( R- G9 A; K% U
[trade-record-all]of self
7 B4 o ]9 @$ N" _& b+ e/ z;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
; Z( n+ b4 o n+ O) p ^% b
J7 _% D9 A! a& m6 [5 |( wset [trade-record-one] of customer item (([who] of self) - 1)% ^& n& M) C7 }, S& ^7 ~
[trade-record-all]of customer
' ^* j! ~1 {: h1 b2 g' ^/ X
" _% [, Q* w2 D0 hset [trade-record-one-len] of self length [trade-record-one] of self N: {# v' E0 `& I1 q) L
2 e7 R# F4 u; f y9 j, Aset trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
) c7 V3 q/ v2 v;;先求i对j的信任度: v& X) n& m7 l7 N& z' P' V: n
# `6 [5 R0 D4 S- u) }) ?$ }) R
if ([trust-ok] of self)
7 U" q$ w+ [8 T3 |7 [; e" m;;根据i对j的信任度来决定是否与j进行交易[+ r& k0 C4 M8 T5 m2 E8 _8 l
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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! l( {: ~8 @" [- {/ s; ?[# _$ U9 i p1 z0 _
/ g8 B2 d" u/ |" z$ R( u
do-trade
) w1 i8 s/ I" r- t8 B" V- F3 p& P6 c) a2 I ~
update-credibility-ijl! H( Q3 L4 O4 S& u
% B) w/ e x# c9 W8 e
update-credibility-list! L$ p0 ?( M5 O9 |! v* g! u3 i
6 y7 Y R+ p8 e0 M) v+ e( ~, T1 P
/ K2 F/ x: X0 ~7 Z. kupdate-global-reputation-list) \" G4 M& c/ i0 Z. Y/ q
# }6 T( A$ L4 F! l- \poll-class
) f G' y1 E0 B
* l! r3 d: u- d- g1 v& Dget-color
0 c5 l/ ^5 X, i
K5 A6 g6 l7 W# u# N]]
2 e7 j$ G! ~0 V6 o6 c, k& k, h" L
: U# J; `! r8 ^( c, e;;如果所得的信任度满足条件,则进行交易6 J7 A" H3 K, R: T
9 G: n; R0 O" c% ~/ P5 ][! m Y) N& o/ B0 l; o* b- R% A
d# l/ U# u" q& t0 Z" @! Qrt random 360, T, G( x7 |5 @* L- {' X& F
6 n) B+ p! I( F0 X7 `1 q& }
fd 1' T3 L: f; K5 c- h6 ^/ B" t
3 ]5 h$ y. C, Y2 A' X. `: f; c]7 P$ U% M6 G( I/ a" b7 U/ j
8 s6 C5 ^4 N0 U8 f4 p( B: w
end' N7 y* s8 @8 j. |' l
- m/ H1 b! d; t: Y1 T% Q: ~, \+ Gto do-trust
# C. X3 b7 s) o+ g% }" \/ O& @set trust-ok False! A3 |# m' m1 E+ G2 [
$ d1 F- y- n: d% u* V' F
" R: g: ~9 ^ \% elet max-trade-times 0
! z2 A& c8 H, P; tforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
6 Y& t+ d$ t1 g5 ^! l% k1 Qlet max-trade-money 07 K. q% Y9 ^4 [; C4 I; v$ U
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]9 }/ t& m. z% @4 {2 ?/ |' M8 n1 B
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)), X Q1 z/ w7 r1 N
2 d) J9 T8 X4 x5 h- p8 n) k; t! k# @* g; J% G, M- l5 ~. [6 D( b. I7 w$ B) y
get-global-proportion
3 u/ i+ k9 l! [# v: S+ d6 y/ Hlet trust-value$ M, T/ W" p0 X! h \
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)# ]' q" K# K, V. ]
if(trust-value > trade-trust-value)4 h; O. h3 [/ }) h3 j
[set trust-ok true]$ h0 }' ?5 @( i' l
end
- J$ g4 a, P" Q% y3 t" K* r
/ Q! b' }* i1 Y' w/ pto get-global-proportion* C" ~3 q$ O5 W, H1 U- n9 }* `: A
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3). d, d2 j' }; r
[set global-proportion 0]
$ }5 Y' e$ \4 J$ O U# {3 r5 m[let i 0
# n: ~1 l2 J' Z) `let sum-money 00 |! G1 s8 }/ U6 O* L# S
while[ i < people]2 n2 N% C* R2 D7 g/ b# ?
[
, S3 R, n# N9 q3 Vif( length (item i% C" I9 J% v E# D2 U5 a) U
[trade-record-all] of customer) > 3 )6 B+ J3 R5 Q$ w3 `8 `
[- z- I; h C2 P) E C+ ~
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)): h& A0 r% I5 `3 J$ h5 |" a
]
, Z8 B ~ W# D. }]3 D9 i3 P) h2 Y* d0 {
let j 0
0 R6 _' V* T4 M: Flet note 00 p) b4 t1 B8 @# c7 `6 n$ I) r
while[ j < people]: A6 ^) m- i' g% L3 a0 k8 p; e4 l$ z7 j
[& ^$ l$ }* f5 ^; ~ F3 c, H: K
if( length (item i. M" d0 |: x3 t1 G0 N' ^4 h/ n, \# @
[trade-record-all] of customer) > 3 )
6 E% _- c! b: S% _' X$ K[% Q3 L* Y, F% [
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
$ A S9 ~+ K: D[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]' s2 e! w x' H0 t* ?
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
& i9 n8 i; L+ |]' s. p7 q( N K0 c" W( P* N2 Y
]+ @! @+ n0 S% o+ x- a6 d" D
set global-proportion note
8 C! G0 V. T: i- K]
O! P* y( a( |) @- Yend
* D% S5 V5 j( a0 R2 b+ c8 n+ ?+ k/ |0 y7 g7 ]" h" m) G, p$ y: c* Y2 w- n, }/ a- G
to do-trade
, F* k0 l' o) m4 j; }' E;;这个过程实际上是给双方作出评价的过程* S0 B/ G2 M% a) ~- ^! \8 ?& \
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
) b1 n9 a* D* N. g# j- hset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
/ k* r1 G* D2 h D( P! {& Z" Eset trade-record-current lput(timer) trade-record-current
! }& O" y2 ~( ~7 l. U4 q F! L, A;;评价时间! O v7 b* D6 Q: b+ x
ask myself [# X* n' U9 m0 n- Y; G
update-local-reputation, r w8 h# w4 i; n9 q: t
set trade-record-current lput([local-reputation] of myself) trade-record-current
* L$ ]9 p1 o- t! Y* j]
2 `4 A) N9 Z2 `2 B$ j! _) |3 Lset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself- d: t0 { t# c. n, F8 q
;;将此次交易的记录加入到trade-record-one中( T% z! w/ a7 ^* v5 d0 x; Y
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
0 E$ P: c* h6 A3 U) K0 Hlet note (item 2 trade-record-current )! x8 q3 \ P6 C( E! c8 B( K8 t- R+ l
set trade-record-current
' k& c$ C! |/ P2 F/ A/ V% m(replace-item 2 trade-record-current (item 3 trade-record-current))
4 c7 M5 h. b& u5 N% `set trade-record-current j; M* |& }0 `
(replace-item 3 trade-record-current note)& h. ~7 _7 B5 X/ [ H# i- M
$ q9 E! F& D9 e3 y' ^3 G
4 ?6 |! W5 ?% ^% _2 R. R
ask customer [
1 u9 T* M: {$ O+ _0 aupdate-local-reputation5 P0 `& V# B1 z w; n2 X/ R
set trade-record-current% F& b) V1 ^. v' p) M+ r6 H$ f/ S7 M
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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8 B& i2 b! b" }+ I. w; S2 x' s9 [% I8 ]7 c4 |+ m# h! p, i
* ^& n5 x( w( ^4 j5 Aset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
3 k, m" p% M0 S
1 u+ R* g* b" \set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)), X( T) k; C1 O r7 w( H/ Z% H: `
;;将此次交易的记录加入到customer的trade-record-all中, K, C% A* N5 g, F" m7 ?
end
4 x$ R! X3 x5 ]$ r/ ]4 t- V% p6 B3 S" W2 `
to update-local-reputation m1 y, V* u( [: O
set [trade-record-one-len] of myself length [trade-record-one] of myself7 ^, p4 Z( o A
* t- E# W6 M# B9 c- R
3 ]' |& \" j/ N) `0 b8 |4 u;;if [trade-record-one-len] of myself > 3 $ P* w1 F2 F: z' A' N
update-neighbor-total, x0 y2 g c3 S6 |6 K8 L
;;更新邻居节点的数目,在此进行
" H( p. o' g0 {. Ylet i 3
4 Q: A6 U! s- L2 Q: y7 [6 r3 Ilet sum-time 0. G. R' C# [3 X" L- i
while[i < [trade-record-one-len] of myself]
) `4 X* D0 G1 i! M3 ~[
) N& c# z. O/ ^, tset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )9 V" c/ H3 a6 e' J0 _
set i
+ M: i% Q- r# E& F( i + 1): _% ?& r7 X! W
]
' P5 I% W4 y* S$ ~7 l8 nlet j 3
2 |& K3 `; P Z3 F9 p q" A) Blet sum-money 0
# o1 n$ k4 A! U' j. p0 ^+ Lwhile[j < [trade-record-one-len] of myself]
5 R' [/ G4 s6 {% Z( x) ~2 O[* ^ V1 q/ j9 [4 Z) T: x, n9 s8 W
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)
; k1 b+ c$ T# G7 W, cset j
5 [) s5 i o% ~! d3 S& }+ K' p( j + 1)
$ Z0 c# e& U& Z- q8 j6 X& P/ t]
8 x! t# n2 g) ]6 p J: X, @let k 3
4 _( b! K. M3 A2 z. Blet power 0
8 u3 m9 i+ U3 Plet local 0
" N4 Y- w. n G3 Jwhile [k <[trade-record-one-len] of myself]" S& |4 z; I5 ~ ^2 L6 ^2 s
[ L& y4 f+ n0 M7 l
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) : a" `4 L8 q0 F1 U* T3 ]% ~
set k (k + 1)
. y# c( U7 j: W+ P8 i/ Q- s5 b]
; _5 J! W$ _8 L3 \1 Zset [local-reputation] of myself (local)# L! x$ m: B3 @. Q0 B
end
1 l+ w* w+ j/ U! R' Q- h) Q m
) p5 n' H. w% n( \. `! s" Z0 M7 Y4 fto update-neighbor-total5 @: }2 t* |3 ]; V A. Q
* y( H# i# ^" x- Y* T9 a; W
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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3 G% _! z7 b5 z! d, ?- x$ Y9 t9 S0 L
end
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to update-credibility-ijl : g) l, |3 _2 D( ?0 S
; V8 H" b' B$ N, E8 q+ j
;;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。
8 {5 @3 G h+ x+ Qlet l 0 w5 C+ M |5 w2 @- X
while[ l < people ]& {% v: Q' R5 M* Y3 l
;;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
* N, E7 u- ~+ u[9 \+ k. c! b8 e
let trade-record-one-j-l-len length item l ([trade-record-all] of customer), T' y, _: z: b8 P* F
if (trade-record-one-j-l-len > 3); V& B$ `: r% _1 O+ l' _. I# |% w
[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
5 _. f% U; u$ X% U# K. y, o( \ Qlet i 3
1 @2 \& g) I) T1 e4 {let sum-time 0
1 `1 l4 C3 K) H6 s/ A( s( ]while[i < trade-record-one-len]6 g# y) a$ k9 z( T3 D
[ O- X% T- N. D2 B# x4 ?0 }# O# T' h9 d
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
# r+ k% Z0 E4 @3 q( h1 Pset i
! u+ ?7 W+ V) M4 s! K% {" L( i + 1)
, c6 c8 [9 J0 V3 V]8 `1 D3 v7 r+ i* R% S0 U
let credibility-i-j-l 0
. f# q& L! j1 l/ f4 V& h;;i评价(j对jl的评价)
8 U3 `: p- @$ y6 z: w# T' Ilet j 3
# i) I7 Y# e# g6 r4 flet k 40 S! h) d! v! s M
while[j < trade-record-one-len]
. a. T8 u3 w* A' |4 H7 K2 W+ s[
6 ^4 v7 H! k* ]/ Gwhile [((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) E+ B5 Z, I9 A' ~' N) N
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)/ l3 p9 p$ s( o* e6 y3 ]2 [
set j
, h$ C2 @7 c4 h0 Z7 M( j + 1)
0 D$ e6 F7 Q* f& h! q, e; _! @]
+ H+ N H4 K( b, {2 y9 B7 N- ~* m& H. Vset [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 ))* D1 S& n# \- n) c: }9 {4 X; a$ H9 b
/ x$ L ?; \* N. G2 x& {+ W0 J* s# r% ]% x
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)): A2 p3 L6 }' B9 e9 }( \2 w1 y
;;及时更新i对l的评价质量的评价$ H2 t; K1 D# n: s: f
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]% }* B$ C/ F2 P- x+ w
set l (l + 1)
% f) v1 e+ P; g# n]
" J7 J3 l3 x( q1 s6 i, m- Hend; s' p4 c7 m3 D6 q3 h6 ]
# S% L% M' t# \; vto update-credibility-list2 U5 `0 l" Q, K- x9 X& ~
let i 0$ j! l, }4 Y5 O7 z$ } x) L
while[i < people]
9 t( q0 [2 O( A$ @7 Q4 N[
6 `' a& I6 V. F Slet j 0$ j. U( M4 U8 H
let note 0
$ z( ~/ v7 Q9 j6 o9 @' Llet k 0- e) {3 i$ P) Q( `/ {
;;计作出过评价的邻居节点的数目
- K. O3 O/ e: p# m7 G% Qwhile[j < people]
0 w T( Z+ V2 E. ^$ s) L[! j d& S) S) v+ G. z2 _
if (item j( [credibility] of turtle (i + 1)) != -1)( F" @ f1 z; E5 ]* P& X( O% N: v
;;判断是否给本turtle的评价质量做出过评价的节点& x! ]9 l4 w, A& j
[set note (note + item j ([credibility]of turtle (i + 1)))/ l- g7 a5 n2 t. v
;;*(exp (-(people - 2)))/(people - 2))]
, x2 u) [2 n' y$ tset k (k + 1)
# N' q5 M1 {- m7 \2 V o _]
9 G! x) z) p( b7 K- xset j (j + 1)
0 r. Z6 ]5 r+ f6 m, K]
2 u5 h( o7 s3 I. R3 v O+ o0 r3 H& }set note (note *(exp (- (1 / k)))/ k)3 ~/ J% o/ v: ^5 e
set credibility-list (replace-item i credibility-list note)# M: c. b6 V2 F7 H! z1 y6 U* d2 ^$ r
set i (i + 1). L. s6 h6 N2 D" u8 v9 v: J0 r
]
3 K2 |8 D/ ^+ p! o2 eend+ V1 G4 P& o0 I1 h' A0 N+ C
8 n: W" p: \5 \$ Zto update-global-reputation-list s4 H/ u" u6 o; m6 z
let j 0
; ]& }* H( e2 W% F; U( J: D* dwhile[j < people]3 y* s6 o! u6 |8 o' n' M5 N# l, t
[
$ F) T1 {$ l" C. a8 X( ?let new 0/ H. R" c, j4 l
;;暂存新的一个全局声誉
$ d+ _' k3 S6 M- Ylet i 0
3 C p* d! B5 p( d: elet sum-money 0
4 I) Y! A) ?9 B4 t0 C1 m, V/ y/ k9 Clet credibility-money 0
; s9 m8 J& l* R+ Z0 G; j# E% Mwhile [i < people]
4 P8 x6 M0 L- ~* q% S[
- c0 g9 H, `; r3 Q3 kset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))$ N% a- Q7 k2 R, O
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)): O* U1 X$ M3 Z8 p m; w# {
set i (i + 1)4 O6 E8 l5 O6 S4 s
]
- x" n1 O) }/ j7 W9 w" k5 N) qlet k 0
; K) E( I& u7 plet new1 0) b5 v/ L! W1 z5 g5 d
while [k < people]- [3 ]4 \ b7 O) o' \, x
[& ]! Q7 r( x: H
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), f! o" {; i& M, X/ ~" A" O" `
set k (k + 1)
7 q" F+ N/ E& c$ r4 M1 S]8 R: e% S8 d; e4 b& p) ~
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) , X1 Q: X- Z: n; C3 h/ g' \6 O* P
set global-reputation-list (replace-item j global-reputation-list new)9 g+ y; R+ J0 p% ^$ j
set j (j + 1)
( m$ }2 }: k8 Z: q- o/ S/ ]0 [8 G]
7 G- B6 q! d3 m0 Aend
. @8 v U$ a( K0 u+ ]0 l
( r$ X" C. a& a! p1 g0 k5 y4 o+ K+ c1 z5 k! @( H
9 \9 f$ Y% @5 K( @$ n2 p' sto get-color
0 c3 k+ R8 S _( {- N% x6 P- K" v! n6 P5 y
set color blue
' Q2 A: J( q/ o1 S, p9 iend$ U5 x2 \6 h# H0 r5 l* o1 r e
; z. D* n# v% n- O6 [8 ]! vto poll-class
# c( F3 C8 [: |( [end
( P) A5 P* H+ w; ~! A
' L" n$ @) H0 Z7 Bto setup-plot15 D9 _5 _( `7 h1 K/ g d4 M
/ b. l% x1 \6 e' u. |/ b: Qset-current-plot "Trends-of-Local-reputation"
) P) @) w3 e1 n5 Y
% N& w6 e6 p2 uset-plot-x-range 0 xmax
5 a0 U- a6 l# H% J- K
7 T" \2 V n" l H8 c3 sset-plot-y-range 0.0 ymax1 p. M! {6 V5 Y0 N! K3 ` J8 {
end9 _% e ~) x9 j! |& T2 ?0 w
6 E8 e# ?4 t* w4 `# ~
to setup-plot2! Z: \. t4 z J5 q% ?, t9 D
5 t k, |! L/ @% ^3 x$ a" s
set-current-plot "Trends-of-global-reputation"
. P$ c. i+ N: L$ \0 ]
8 [) c' L( u/ J! Z4 x, {set-plot-x-range 0 xmax& d+ q B- O& W
8 X2 U8 h. V9 \6 r3 ?$ L# r7 y
set-plot-y-range 0.0 ymax w( [, j" m) M4 h
end
9 i/ l; c$ D! J2 H! i0 g, l0 h5 ?& x, k
to setup-plot3
4 S/ y4 o* z' Y1 X, f( ~- f5 e: g: P) E6 v' J: r
set-current-plot "Trends-of-credibility"' ]4 }$ T0 ~% ?- {2 H* O. s% e; m* o
2 Z# P: H( a4 Dset-plot-x-range 0 xmax2 N, T% L4 N: Y- p, }7 q* E' R9 T
1 `7 ~/ v4 G ^& {
set-plot-y-range 0.0 ymax
1 S, E; h$ a- ? B7 y' f% z6 y9 K8 eend4 s. e U+ x8 Z; [
+ L0 l3 W% ?- V, yto do-plots
# g6 g# `) q" j! C: ?4 K% Hset-current-plot "Trends-of-Local-reputation"
8 |% F: [) V; w' V. Jset-current-plot-pen "Honest service"
; _0 ^, k# m9 t9 h" j' Z: m1 e% l% B1 wend N1 z5 I* y( q+ l/ N) C6 ~
y; w, t- z* Q0 |: y: O# z[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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