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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
8 _3 G! _7 n4 cglobals[0 N4 d/ b. A) f( D6 L+ v
xmax
' E7 {* X" \$ j5 f, fymax
6 C, }5 @3 x3 q8 R+ g) o, M6 U5 @% x3 Yglobal-reputation-list- c1 A& H7 i: H' U0 \& O9 m/ L
" O; S9 `5 ?6 s1 C
;;每一个turtle的全局声誉都存在此LIST中
! m5 m4 x+ S( |8 h' ]3 H7 l7 qcredibility-list
$ d! `9 R" L: y1 r+ u$ C1 F;;每一个turtle的评价可信度, ^/ g- O7 f/ W, c! I* m0 R2 s
honest-service
" P" v2 v7 t( O5 @$ b& R( h# Tunhonest-service" k+ F" S, Q W
oscillation$ O/ m: Y% `5 k3 b6 z2 v$ D( G+ q
rand-dynamic
- t( { L0 f. w# l$ y- v$ g: []
: N5 W& b0 e1 T5 T! v. h& q4 J' E/ C
turtles-own[+ ]* L1 v2 I/ N: Q: T" A
trade-record-all
" I; l7 ^7 s! ^$ h' S0 a, x;;a list of lists,由trade-record-one组成6 f! c. Y* K$ V1 A. ?: d
trade-record-one, ~ v9 y" K# S: _5 Z r5 Y 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9 C) V" x! D: B. N* c$ |
2 k3 z. x" x2 p' 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]]: ] o1 Y( X. e
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]
1 Z6 q+ S4 q& Z1 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
) c5 \2 v" z3 P& T$ @/ n$ n; c5 lneighbor-total; F* F! E! u- }/ C3 z! y' v
;;记录该turtle的邻居节点的数目( g" N. H: B" d& a" R3 B
trade-time# Q: E9 Y/ l; z
;;当前发生交易的turtle的交易时间
% U4 @4 }3 d( w( bappraise-give2 } v5 B, u; t( i& n9 _7 h6 a$ X
;;当前发生交易时给出的评价
8 }$ N. Y- g, z% j9 v+ yappraise-receive7 q5 F" g [" D' @
;;当前发生交易时收到的评价
, P1 H- n5 w, e3 l8 jappraise-time" m. _5 k3 u% e. I5 A9 g
;;当前发生交易时的评价时间
( l1 k1 R8 e Elocal-reputation-now;;此次交易后相对于对方turtle的局部声誉1 _7 G/ w% @" g* l
trade-times-total T0 e3 X% p" l+ L. ~! y
;;与当前turtle的交易总次数
~3 }; y P' Ktrade-money-total
( ]" j2 H4 ?5 i* E5 D% f;;与当前turtle的交易总金额
- p: E( U' y. P. S* `, @- _local-reputation
. z1 c5 Q! i0 G J" F Q3 kglobal-reputation
0 E* e' c* g. Z- c1 ycredibility$ H4 O/ h. L0 J) p. Y( J/ a8 F; [
;;评价可信度,每次交易后都需要更新
8 q0 c5 ?5 ~0 pcredibility-all
) X1 B |6 [' O* T# B- L2 j2 q;;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
" V8 I8 @3 @* v
: H7 }* ?- v3 W- C+ ?;;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
3 x' ~6 w$ A9 q5 i, _credibility-one
) ?2 L" ]5 w' v* ]. ~4 G;;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- L, M: q+ W$ F2 r4 F
global-proportion/ E1 _ i( _9 w$ p, }' X8 E
customer0 T2 j. g, d/ M2 y4 X
customer-no: H m$ T+ m3 {5 f% r1 y
trust-ok/ e% f4 H4 `% {# r. R* l
trade-record-one-len;;trade-record-one的长度
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5 f$ s0 I# G5 o! G5 V# m;;setup procedure
5 m+ F/ o0 C) t1 B* o
8 E: U" @+ S4 t2 x T, [9 r' R6 Lto setup
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9 s2 x, I) K( c: uca
% x! U( w9 t* S5 s+ l( I( l' J: ]* R: l
initialize-settings
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; [8 }2 V& P$ O" \0 Y$ c1 V, rcrt people [setup-turtles]' l# P# \$ r6 ^+ i; m5 Z
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reset-timer D4 z" n/ M5 U8 D$ c% Y+ H" _
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poll-class( h( ]! M. G* g$ }# ^
: C9 a! k5 ?5 U6 Q5 msetup-plots5 f$ S) t# r6 @" t( @
0 _7 M" j, ]8 ?: r
do-plots
: w$ B/ D5 O; _6 Xend
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to initialize-settings
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# G9 P& v% b0 F& m$ gset global-reputation-list []( l* ]4 A8 t+ p$ F( ]# x
! S8 v l2 P# H' qset credibility-list n-values people [0.5] [- R2 p& z/ }2 N- c8 g( s
2 |9 w i( J _# }set honest-service 0
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- M2 [% k$ T; y4 P5 r8 {set unhonest-service 03 T* x0 p( e% e4 _
5 J, L, ]" @, C% Q x& C$ X& G* @set oscillation 0
& G, u5 R/ f2 C, {5 E. K' K5 E0 W) o: I# _
set rand-dynamic 0/ `' u$ [- z7 U' m$ e8 B
end6 n+ ?& ?% @) u) A7 y( O0 O. A
8 Z5 o' D" E2 t9 }9 q' I
to setup-turtles 1 B1 S7 k* y; N b4 ~
set shape "person"
* h b3 H0 {. U+ d7 m Tsetxy random-xcor random-ycor
! h$ e, |9 [$ D9 uset trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)]
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+ k: j3 d- k; q v7 g$ f; ?set trade-record-current []
3 a( S( i+ C. V- Z+ i( [set credibility-receive []2 t( d* N6 d0 F6 Y
set local-reputation 0.5
/ G- {$ w) t2 O! o( \ L, W3 Dset neighbor-total 07 X4 G. m' t9 c* E, j" p1 }8 M" ?8 P
set trade-times-total 0 E; Y( D0 T' P: B% R5 p' ^
set trade-money-total 0- S) B4 e9 ?% ?% L U c
set customer nobody
+ l5 K% i6 f B' Z* O1 L0 E" Mset credibility-all n-values people [creat-credibility]
: I1 _/ w o( X' o. yset credibility n-values people [-1]
) k8 Y; ^# h8 N* gget-color; u# d$ t5 H) e; w0 q, B
5 u9 U6 W0 ~+ s& cend1 c/ M- K3 q. d" [- w
( E; f" u+ u- ` B7 wto-report creat-credibility
; u* J2 z( j/ D- b' l/ wreport n-values people [0.5]
& s" B% O% {8 ~' x3 wend
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% X2 a( D4 l. m5 S n/ qto setup-plots' {: _$ J* _9 L5 K5 w/ P
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set xmax 30; y/ L3 s, a) g. h
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set ymax 1.0' t, J+ o" V* w: l
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clear-all-plots5 ]5 P5 U _8 {' [
w/ {% `* x9 `4 q/ J p) Y1 q
setup-plot1
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7 _0 N$ s1 P y9 W2 Vsetup-plot2& d; k$ @9 @/ g" b
% K7 B1 s/ u! ~/ ?6 Msetup-plot32 b9 t* V0 W7 r6 \1 ?9 T$ `+ {
end# ?) c# M, Y, }
% x" B: h* C( t, S% b j3 G2 D2 k;;run time procedures2 f3 s( U% z1 i$ z/ j3 m
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to go
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ask turtles [do-business]" Y: B1 x0 E' e/ G
end3 ^6 z" i9 q1 G# Q. c4 K
- ]( p' g' H; `to do-business + s' R3 w" I7 I/ a3 m, {+ Q
% C4 y+ B L. o+ X- }
; c0 V5 n! _6 n, X Mrt random 3604 t' ^% j0 W- Q
) f' e; T7 N3 ? d! p$ ?fd 10 \) V: t% s* T5 m2 t0 N
# s) G7 a6 O7 a' C" ]1 \
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here, U* @4 F" p ?2 d/ [" o
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;; set [customer] of customer myself
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+ h4 `8 _. Z0 X/ @9 |8 I( v. Sset [trade-record-one] of self item (([who] of customer) - 1)8 ^2 j# @# V; m6 f" _* g
[trade-record-all]of self1 N7 z8 b L# S% P. Z. I
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self4 b) \0 o% i4 @& G6 d }
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set [trade-record-one] of customer item (([who] of self) - 1), Z% W$ \& v2 T( Q) o; g5 b
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self
F$ L3 O3 X- @) L# c( X( t9 [$ ?, n( l8 w$ I' z
set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
/ I( e9 V. Z% k: }; u& B$ };;先求i对j的信任度% p1 }' \* j/ f" S/ k8 d" T
; {5 G( ], D: Z, d# ]* ?' R/ nif ([trust-ok] of self)) q1 B" [0 ^( U) h7 ?0 a1 j
;;根据i对j的信任度来决定是否与j进行交易[( y' U/ k# x# F0 }3 R# I
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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do-trade
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update-credibility-ijl
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$ ?4 A' M" ~& J( o* j" L0 |( ?: Iupdate-credibility-list1 Y' \0 h8 @4 |2 D
+ d3 f' o6 P! w
' R3 [, I( b/ Q9 d* u8 Iupdate-global-reputation-list
+ K- k2 f9 e. U- q! X5 V1 Z
, D+ T+ x/ T Q' `poll-class
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4 p! G; ^2 _( V' H' u: \' xget-color! M6 l U+ m9 |3 S: W5 k
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]] L) t7 q- K" p* g/ P( D2 t
# z" N0 g4 g! G6 C8 w$ G;;如果所得的信任度满足条件,则进行交易
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- r+ o& H2 ~, v0 ^! u3 h- ert random 3605 P- I+ {4 b/ c( _
$ s! m- |% l" B/ Q
fd 1
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]+ k+ C) D: _+ g+ H
4 R5 ?0 z C4 h/ O( a1 a! U
end
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to do-trust
) h- i- o- _( G. E, Mset trust-ok False
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: A& b4 R2 Y# ?/ L% z# I& `
let max-trade-times 0
% J: W- [8 P2 v+ E& aforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
, B. k1 x( v B9 P" mlet max-trade-money 0: {8 X0 x* _: K. n% r
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
B7 b2 S4 q9 D' w8 flet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)); U( Q2 [3 J7 _9 _. K
% ^$ Z4 v$ {* z* I( q( `' o
! I/ V1 A( d8 v
get-global-proportion
" c7 d% ~2 W+ T( m# n/ `* alet trust-value# U0 Q' ]5 G, U) P" X, ~5 l
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)
: Y# i) {% f% X! E( }% Xif(trust-value > trade-trust-value)
) j$ v& _# Q- J8 G9 S[set trust-ok true]
2 H& ^; X8 W( f" K' N9 Kend: X: Q0 L: w. f+ E
' A9 |, `& m- L& f; xto get-global-proportion c' j/ @ D" e. o
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)7 Y2 ?6 ^9 \9 g* X( @4 x" c- n
[set global-proportion 0], Y( Q$ ]% E) C7 z& Y( t0 S! c
[let i 0* `/ \; t1 E0 Q
let sum-money 0" E7 r# k% _% U" g, Y: I
while[ i < people]
. J$ u5 z& P# w: C[! R1 q$ \& ?/ H2 V5 z! _
if( length (item i
. D5 t. }# [2 H+ P[trade-record-all] of customer) > 3 )
1 |0 X! n- P) Y2 d+ I. H[# f6 n& G" z; U% Z+ H3 {2 t
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))& H- t, {# d- `- x
]# i. b2 W/ ]/ x: |
]
. E, u" J) i! ulet j 0+ Y& G* s, i/ o' B
let note 0. N" W) K5 F* J- H
while[ j < people]! |$ a! V% _( ?; s- x( B
[+ _8 j0 h; ]! F" p' L6 T
if( length (item i
s# R9 O+ U0 t0 o) g% F[trade-record-all] of customer) > 3 )
, _( v0 r5 r8 [: a" c' t[
1 L4 J8 \ o0 t/ s. i0 ~5 eifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)# P( z. }1 S1 w
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]" {: b. V. `8 T# F1 Y, N
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
$ I( ~* z" a# V: A! c]% z& I6 s2 g8 E* p+ u! ?
]
$ N) V$ B- {* N3 m9 }( d0 _7 v$ vset global-proportion note) I3 I% K ~* R$ D& L- e
]
! m" x3 O' L+ G/ d( }! \6 rend* c* v/ h2 p4 D0 ^* N+ G
: u9 d$ z% I% Y0 `* I$ @' b3 J: @to do-trade ~, L& N+ t) z2 u2 ?
;;这个过程实际上是给双方作出评价的过程
1 p% E, d, o1 s+ N8 Dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
. F: H! U# h/ |# e( Oset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
% z2 _& j9 p1 q' n5 q0 J( j* F' Uset trade-record-current lput(timer) trade-record-current
3 W. n) m4 K8 b;;评价时间4 v) Z; x2 B1 s& K8 f: }* |- V
ask myself [8 }9 C. O+ E: `5 ?7 R' n0 ?% y1 I
update-local-reputation: ^$ K( s& p+ I" \/ V) j/ ~8 I' q" M
set trade-record-current lput([local-reputation] of myself) trade-record-current. ^. A: F" {8 N% {
]
; m9 p4 e" v# _5 h, h1 d/ Q% `* Dset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, `! k. \: {8 z& z; w7 e
;;将此次交易的记录加入到trade-record-one中
+ Q0 _& [: h5 Vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)( p- ~3 {7 N4 K" @* R! z8 }
let note (item 2 trade-record-current )
$ t! D. h3 Z, [/ t8 Iset trade-record-current
- y! D2 U. @ q- J(replace-item 2 trade-record-current (item 3 trade-record-current))
5 T# j4 O$ U) zset trade-record-current! Q5 `5 \$ M* y6 P! [ v$ M% T6 F4 [
(replace-item 3 trade-record-current note)
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6 z* @# X2 I% |5 Cask customer [- Z" b1 B1 l+ \
update-local-reputation
9 Y4 a2 c) W% D7 Hset trade-record-current
8 Z* h9 c/ n+ W$ V C% I3 B(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) & b6 W$ N1 R# k& a" X9 b
]
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U: b; }/ b' a7 @
+ L' s% n9 N% zset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer/ r/ d, |3 Y" D5 |2 ?' h6 [
3 e3 l; g) s+ _' D# H: J
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))9 j7 I8 s; `: ?' i) e+ y
;;将此次交易的记录加入到customer的trade-record-all中: Q: o% S" J6 |) t( I
end
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to update-local-reputation
! j* J! R9 p) dset [trade-record-one-len] of myself length [trade-record-one] of myself6 Y& R/ N& E0 u
# V5 D! q N; e0 ]
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;;if [trade-record-one-len] of myself > 3
b# J( m/ a) M3 i$ oupdate-neighbor-total
' d0 {$ `' e) L. O2 q8 N }& Q/ T;;更新邻居节点的数目,在此进行. L6 F% G4 M v
let i 3: z5 R. O/ T0 m m6 [ g" O0 u& _
let sum-time 08 ^2 V$ W8 [, S( E0 L- D
while[i < [trade-record-one-len] of myself]( N9 i; n" D: `" @5 Y/ A- s- [) d
[+ m& g1 j3 U3 o+ x6 n& Z8 q
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 H9 w1 ~1 _0 y& J) d7 R8 l1 Gset i% C! c P0 X1 m% J: \8 h" U
( i + 1)
1 X- S M! ~; m5 U: R]
9 `1 i4 s2 r" p3 k8 y; G5 Ylet j 3% u6 U* Q" ?3 k# Y& @4 ]
let sum-money 0% ^$ k( a3 A* J7 e
while[j < [trade-record-one-len] of myself]
% P3 X4 I! v$ n* e4 @0 K/ x8 d0 e3 y8 @[6 F: U' k% ~6 L7 D J, f. P
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)
1 n F3 m: d1 V2 w5 ]set j1 @: a3 M' R2 ^: D$ \! W
( j + 1), H/ A4 _; T& S8 H2 _; p. E
]
6 z: W0 n) K8 _7 Dlet k 3
# ^/ |, [ J+ Llet power 0# V4 C; r8 F4 G6 ?
let local 0
, \; y! S r7 k! T$ xwhile [k <[trade-record-one-len] of myself]
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) F3 C3 ]2 f/ F) X( _6 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) : P1 x- L% }* k9 O
set k (k + 1)
. X/ k; Q7 P/ J7 E]% M& x: ]. O+ ?
set [local-reputation] of myself (local)- n- o' ?1 G0 j, J6 v, }
end
* B! |, @/ F, b$ j3 C" s! [) C# i# y
1 N" J' ^/ ~2 tto update-neighbor-total5 F6 i, V" j- K
0 K' B% u, t3 [$ ], Wif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]" E% e# K* K& ^5 V2 f; X
+ h: D0 z7 B! ~/ h- J# u
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to update-credibility-ijl
2 ]5 \$ r7 |, y ]- ~7 D ]' j9 [: m7 i( y: ^
;;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。
, F- b. E9 \! F! n8 _/ w& W" ^let l 0
, E9 t' K( X1 @5 i1 gwhile[ l < people ]$ g0 f: C9 d6 j; x, V' m
;;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% I- _& @; J- N# Z& c' c[
2 J2 w P0 ~2 slet trade-record-one-j-l-len length item l ([trade-record-all] of customer)1 K0 m! _0 ?) B3 z
if (trade-record-one-j-l-len > 3)6 i4 c! t3 t) E" y, @4 r
[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) z+ H9 b" x5 b5 l$ v6 A3 i
let i 39 Z' {; V+ f6 ^6 T
let sum-time 0
) L! k0 S; f2 \while[i < trade-record-one-len]4 t2 l" q* G4 k( l( }5 X2 M
[6 ]* z* I& E* q0 ^2 D. v
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
/ k3 Y. e/ E7 Q: x+ K6 ^+ jset i; ]) ?# O' T& `
( i + 1)/ ^5 D& t* ^5 `' u0 o, `8 b9 Y
]2 h4 n( A: ~1 D/ Y; G5 f9 o
let credibility-i-j-l 0- M- b7 K: H1 N/ o# Z& j/ u
;;i评价(j对jl的评价)
4 t3 x2 v7 z* n" O8 s( Q$ slet j 39 T; O0 j( S) p0 w
let k 40 X# Z& a {: Z: _9 U
while[j < trade-record-one-len]
7 I- i \. z# D. L* _; H0 P5 c[3 R8 f# s; @$ o4 e
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" d$ k8 K" |! L/ Z% R+ h, p
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)( s' s: F) b8 d& V$ M6 U3 D3 ]7 w
set j
$ ]7 s" w |/ e; q. m+ W( j + 1)1 F& p! [( B0 D9 z- q, D
]
. |6 o$ {% Q# T. K7 \3 i# G1 Q. ^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 ))
4 C( x2 u1 v( q; [( D1 t! u% i+ J
! B) t+ G- I' j( j
( t f3 b' ?+ a$ c% ~let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
" d6 g9 m7 |/ f4 U* s9 C7 i;;及时更新i对l的评价质量的评价' u8 C* w* N* H9 @+ u3 C, N) s
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]% O: W, u! [3 ~+ A7 h0 S0 K
set l (l + 1)
: v8 n. Q0 d4 h" t8 a/ | G], m- h+ W& C2 A. M, d, o
end
6 f3 q5 S% N* H$ k6 H! D9 o
" \' s/ P1 b6 u! T: i h8 w9 w- l5 gto update-credibility-list
; `+ b/ I8 S# V2 _ P2 Ilet i 0
, t$ w. \5 d/ I- ?while[i < people]# H9 D) C! B2 y" F
[
3 P0 U0 ?; ]/ q3 k( Z, _, clet j 04 Q5 v1 t' A9 J& Q9 C8 F
let note 0# N+ Q) Y6 c; _* d) F
let k 0' i/ {- f7 i% F: _* _9 W
;;计作出过评价的邻居节点的数目3 C5 `" w6 g0 w( A
while[j < people]
" t* s6 k! V j) j* f" h3 i[
! }0 p% U- n% B4 A8 a& ~% q. w4 q' Pif (item j( [credibility] of turtle (i + 1)) != -1)
0 k' C6 \( _3 D" Y8 B6 V;;判断是否给本turtle的评价质量做出过评价的节点# f1 y0 w; n3 m& N& _
[set note (note + item j ([credibility]of turtle (i + 1))): R/ \' o R2 U7 W
;;*(exp (-(people - 2)))/(people - 2))]
/ e) \$ K: ]( _% L% y7 [set k (k + 1)# T5 ~/ z5 G3 n
]
5 i! r: ~2 T- ~set j (j + 1)# {5 x& ]; B3 a" Z2 |/ T
]7 Z" ~! o) I% O6 x& a/ i5 Y) Q6 r
set note (note *(exp (- (1 / k)))/ k)* Y) h- D2 a% m: c
set credibility-list (replace-item i credibility-list note)
& x8 }4 N8 J" a: Lset i (i + 1)6 u, {8 p9 F* v9 \; n& b: k
]
! L5 V% Y7 w4 u3 }% ^; n' `9 dend
0 i* b) Y [5 X) q: u1 y* |4 X, C8 J& ~! Y# K
to update-global-reputation-list
# g* U$ |5 F$ z7 i4 O- X6 Jlet j 0
4 Y! D* [, I ]) h! d# Ewhile[j < people]
2 a w* ?1 ^+ s V3 ^) \[$ g$ c1 ?( P0 q- h
let new 0, z. T+ Q; S ~4 Q' Y
;;暂存新的一个全局声誉# D' t: l4 [5 r! T% x
let i 0
6 p& i, I$ k! j+ A* Y- blet sum-money 0) @+ z/ h2 Z( H, g, n" U
let credibility-money 0
+ p3 x$ I5 n) b* c5 bwhile [i < people]
}5 O& x3 G' g( R[( o; |1 c# A, b9 ?! w+ l
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
6 k1 Y. p7 d: L) J' L# p$ Sset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))$ A0 z$ E# y" b# i: Q) y0 r# ?6 ]
set i (i + 1)
7 B* ]' W8 J: v]
3 X% |, ~: g* G: o! H- V4 Wlet k 0
$ r3 M+ i9 D* t. {( H' Qlet new1 05 @6 X7 G8 G3 H& b. T
while [k < people]
) x- }( \9 p$ @& r0 T[
. P0 h; C' v6 p j0 C0 B! R: T1 Y* Q4 iset 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)2 m# z% Z% K+ }3 s+ u* w' r6 [) u2 L
set k (k + 1)$ e3 ~! q4 V) J) Q
]$ W! \0 b4 L# Z# T- b3 C; G( L
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
% n! \# E$ Y: D$ P! n6 U! mset global-reputation-list (replace-item j global-reputation-list new)
5 X" e+ h* I8 Z- t* {set j (j + 1)" O# @6 Z: S- s' V( j
]
( t3 W( ~* ?+ m% tend% B; i4 _' C& q% A0 x
1 n7 j6 s- I1 h$ A/ ?
s; c) f g ]0 B) r5 I
0 C. J% S% v9 O/ k7 K
to get-color [9 Q( n! r! z2 o' O
: }% T2 I! r( l( H2 t
set color blue1 j S" S; l: n" a
end
& U+ l* F1 O% [: D
; ]1 s# N3 W2 h# ]% jto poll-class
9 b5 {9 j2 x F# X! g6 o4 tend
+ C9 n( R0 Z v2 f
- y; F) E+ d8 e; b: O+ |to setup-plot1
, _; q N9 R+ ~8 I5 ~: y6 D* c) A1 v! q/ A1 L) F7 b* v$ o5 {5 i# }" A( R
set-current-plot "Trends-of-Local-reputation"% B3 u/ G: ?+ u
8 L4 K% M* I5 J+ U+ a2 y
set-plot-x-range 0 xmax$ ?% ~, ?9 o4 E& Q6 B
9 G9 D& p- o! k2 r- \2 Y
set-plot-y-range 0.0 ymax- Q" ~ a3 n0 x% o) M
end% l) e6 N7 A' n4 ~' D1 C
! }* @2 h3 l6 T+ ~0 u. Z# nto setup-plot2
- f/ N' h$ r- B9 q/ c- q6 J$ T! ?3 B) {" O# H
set-current-plot "Trends-of-global-reputation"9 `" a; l! [# U u
( M/ m9 U* I5 Fset-plot-x-range 0 xmax
& i# K9 B+ F# t3 q8 o/ R- R4 J! K3 S$ q" d
set-plot-y-range 0.0 ymax
8 I S: Q7 Y5 p/ C. J9 send
' K* h; b* n4 J! K U5 `: Q8 S3 ~0 D( ^) y
to setup-plot3
" d u, h: A- E8 t! ?% h9 ~/ P9 u8 D! D$ q/ e' S
set-current-plot "Trends-of-credibility"
: _. k; c* r! i( @2 ~3 M& o/ S& s; z% E5 I! S8 }7 x
set-plot-x-range 0 xmax5 m' b' T( e/ d# J, x
' ]* R$ ~ D7 U8 x0 |set-plot-y-range 0.0 ymax, W$ M5 y. |0 i( ?2 m
end/ e! q/ y7 y9 g! F0 G7 E; i
; f r: @/ ]4 S5 _to do-plots9 M# N9 ~7 B1 Y! U6 F3 X0 U% y' e
set-current-plot "Trends-of-Local-reputation"
# p. j% \% C. }$ q# `0 ~set-current-plot-pen "Honest service"
4 k3 x+ L# K% j* Fend, c& R8 [& w5 ]1 m j
9 L% K( B5 B* x! C7 i! H; I
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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