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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
; J* E2 y& E: k8 b5 Oglobals[* X$ I) H% h' c' q3 s: X
xmax3 T8 N- o- h7 w! A. t
ymax) n, m% D% ~% B' t
global-reputation-list1 N. {( |- t5 S {: \! ~
- K+ R% G$ K- \+ g k7 r3 s8 ~# e: X;;每一个turtle的全局声誉都存在此LIST中2 v8 B7 r8 j Y3 D( F w7 v! \: K& G. I
credibility-list
$ C) x' c) m/ u+ b4 b9 D A4 i;;每一个turtle的评价可信度: j4 h: `9 ~$ n, o3 G+ }7 v [
honest-service
0 e9 B+ m1 Q7 o4 Q3 I: tunhonest-service) L, @% T9 B& u2 j* f
oscillation
7 I! `2 w7 y+ X2 W; ~; Frand-dynamic* C) q1 x2 Y' N" o4 d- N& ~
]$ j/ ~+ z, Z% [ N7 A6 @
7 q! x4 \4 X& M0 G- k; s$ F0 _turtles-own[( o2 g; j+ w/ t, F" s5 c
trade-record-all* b% A' m8 q% W1 f/ X* Q" H* L4 ~1 s
;;a list of lists,由trade-record-one组成1 ?- o2 u1 Y/ Y* m& s% l
trade-record-one
/ n. g9 Z) Y& r4 Q;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
$ F# L0 R, ?7 n- b7 C; d
/ ] R% `3 Y% O$ M) N' s* 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]]
0 p, C$ j+ d6 s3 g: \9 ?1 g# ttrade-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]
3 t6 a% V8 O) w0 n0 t, [& z- K1 J. ~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
% s1 y2 A% G, t& a$ ~neighbor-total
! i; S' E4 m8 c# M;;记录该turtle的邻居节点的数目
5 A9 ]0 u1 n! O/ \: i; htrade-time
: s3 O+ C* Q+ z3 y7 };;当前发生交易的turtle的交易时间
. v$ H5 M" z( k/ U3 b+ n' x r4 Vappraise-give/ l6 ?4 I1 U+ N* r q# T' W
;;当前发生交易时给出的评价
; X4 H5 }( Z, ~, v9 x# n0 T. L3 Iappraise-receive
: r( _2 J2 e7 a' G! p A;;当前发生交易时收到的评价
. U; ~+ D% B; P. y V8 `- i7 A4 Yappraise-time
0 [7 @# x' u0 B: V$ }" g! u6 h;;当前发生交易时的评价时间3 G- ?% w; t" T, ?0 j& P6 b0 I
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
; B9 }+ Z0 D" T' d: V- strade-times-total
8 ~# H. B# G; C4 P8 f;;与当前turtle的交易总次数6 N- v' u+ h+ r- F6 p" _
trade-money-total* b3 v8 u8 A* k$ F; U8 s
;;与当前turtle的交易总金额6 V3 k, h0 {5 B& X! i( e
local-reputation
# X( J; l4 E3 `- O, B0 Bglobal-reputation$ W) ^8 j) o( S: ~
credibility
0 b7 ~" u8 N: A v7 z" \( [, }, a;;评价可信度,每次交易后都需要更新* ]# l, u9 ?6 h" i' L! H
credibility-all9 R$ ]% n5 k3 U, k
;;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
+ e6 r: i. Q; e5 j6 i2 A+ Gcredibility-one
" [: |+ t" y# {6 ^0 R0 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" w3 d1 n( C2 l: H/ o0 b7 d
global-proportion1 _* K" a C \9 ?1 r1 b2 _3 M
customer( T2 i" G' A; Q* c# r+ d F# `
customer-no; a; V" w4 W5 {: Q
trust-ok2 P7 M5 x* t7 M8 U' P$ P+ a
trade-record-one-len;;trade-record-one的长度; u i4 Y& f+ |; X& T+ E7 U
]
: w7 f% G4 \2 k6 R, }
2 }9 o8 h) j& H4 a, v# u# X' E;;setup procedure: A- R$ L! O' g% Y# x, S
% p! a3 d( [4 U3 m/ K9 m u0 Q B: Kto setup
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ca
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initialize-settings4 C. {) A0 C# U7 S2 x8 U
9 {% R$ d/ h; o3 X2 ]# Z
crt people [setup-turtles]! i, K2 S* p! C) O9 S7 L+ L) m
# \6 ?$ x% Z' U5 I, ?8 j
reset-timer+ N. F Z6 n" q- w# U1 z
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poll-class' r( I8 X* q6 S, j8 `6 [. ?# z' b
% o7 P# ^9 [: |+ Q1 G& d u6 e4 c
setup-plots
Q$ m* [0 x+ {% b3 U" I2 _4 J5 G! o
do-plots* [9 f. I; G5 Q
end! A0 a( _9 M3 Q, j# F2 r) V5 `
, s8 i8 z, E5 j2 F; x( s3 nto initialize-settings
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8 l! G4 `0 @' q# L- D% ~7 Dset global-reputation-list []' J& ^7 g2 V- Z& V/ \$ |" q) S
6 C3 M& ?' `9 i t5 Cset credibility-list n-values people [0.5]% O9 Q. G" F0 v
9 q/ j9 @: f0 ]& m3 Uset honest-service 0" S4 l9 }3 V$ b0 v2 }
/ k* i ` ~& k( D4 \
set unhonest-service 0
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set oscillation 00 b: Q3 s4 b* o7 R) ~' o# h
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set rand-dynamic 0
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to setup-turtles ( O: b) [8 O- b, j. s7 ~0 q* Q+ J
set shape "person"' ?9 m) C9 e0 t- ?
setxy random-xcor random-ycor
t9 d; |* h' e. J& yset trade-record-one [], Y1 y% g+ R) O: _6 r# }$ s$ ~
1 K: L2 i3 @) t
set trade-record-all n-values people [(list (? + 1) 0 0)] ' X$ I! `: i5 c' @$ {* S
+ I8 |% Y+ C1 L( \set trade-record-current []
a& K: k o& t1 vset credibility-receive []
0 P& _- @8 d2 ?' Z7 }set local-reputation 0.5
7 b7 a ~5 k( ^$ @* L. Uset neighbor-total 0
/ h8 p, u# Q7 c$ j0 C) c! i6 \set trade-times-total 0
- q3 [: I; R! {* @* b0 Kset trade-money-total 0
& U" |- {8 X8 vset customer nobody
, f3 I( y" s' y4 e& K- L1 E B% Dset credibility-all n-values people [creat-credibility]
7 a: w' L8 e: Tset credibility n-values people [-1]' `" t3 |; E/ }( e! a4 g
get-color
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/ `5 R) z2 M* r3 m1 }4 H. [! ~end
+ i2 k) R& U4 o7 z4 K% p
) p3 C8 T" x& jto-report creat-credibility8 n9 ]. o# [% p4 \/ F# J
report n-values people [0.5]
4 `. V: f( F) Vend: }% d4 l* S. n' U1 P# h
/ L5 }: W5 z4 h- h, o0 tto setup-plots
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( c, y+ t2 X! @, d7 Q) W0 j- Sset xmax 300 ~; Z5 I t; Y
* u& R; z$ _% S8 n* Wset ymax 1.0
& `" t l8 L& f& z' |5 x' w p% g+ W% Y+ h6 x# c1 m
clear-all-plots
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, \4 _+ ~6 ?. Q- T2 t1 o! C( o! ysetup-plot1, n6 \" |5 U: ]" H0 w1 D
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setup-plot2 H" G3 C- O9 Q% ]" `8 ~3 [
& j# u. z& K+ ?, z! N7 C1 gsetup-plot3
% A- f; B7 O- U$ y, N! t) z, Mend
; I3 ~3 [/ k) h. `3 b5 o/ M1 q+ ?9 I8 r! @, Q1 K
;;run time procedures7 G f$ W1 C2 r& C
3 w' Z3 S- ~) e, w/ W$ t( q3 B2 m! S8 [to go
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ask turtles [do-business]
- s4 o8 |; t' |- U' g7 L' ?end) u1 W! R6 W3 G' j# M" m
0 w# S9 t1 q% e. E6 X" a& C P0 L
to do-business
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# V2 X7 } B# l% q7 S& E. _rt random 360
+ U) X) O+ ~! W3 b* C
1 M$ M' W3 A4 P: ~* C x# |: s( ^# `fd 1
% k* D) b* d7 Q, w
' @. S9 R1 q& p8 r+ M# }ifelse(other turtles-here != nobody)[
3 g" o( u. q; [2 p
* ^8 C1 Q5 e+ _set customer one-of other turtles-here
z. q3 k. @/ c
# @$ S$ W ^6 `;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
& A S8 Z- e! k" p5 C N6 _[trade-record-all]of self) ~3 z' B) A) x9 x
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
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7 B) o6 f% g( q; l; h& hset [trade-record-one] of customer item (([who] of self) - 1)
$ r3 M9 h( N! g2 o7 P[trade-record-all]of customer
8 g) {8 V9 Q" m8 {& Q A) [) M J' r% c* Q
set [trade-record-one-len] of self length [trade-record-one] of self: F$ S4 v) i, k. r) i+ A
- V6 V) U6 L! f
set trade-record-current( list (timer) (random money-upper-limit)). D7 \ G% o5 `# }: S
7 c- W7 g* Z$ ?" L) \ask self [do-trust]' s5 {3 ^- \! R; T6 X2 E: u
;;先求i对j的信任度, f) W1 b- O4 i* B# U1 h! X6 g" r
# Z- t ^. Z$ X+ e/ @
if ([trust-ok] of self)) R4 [; Y6 g( i. c/ v- W% [
;;根据i对j的信任度来决定是否与j进行交易[- p7 k, r8 _6 H5 W
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[+ r& y [: j& O$ C" r
) v+ } {5 j" a
do-trade; N- Y2 G+ h0 G$ v3 S: u
/ [4 \3 @. J# L1 P" W$ |
update-credibility-ijl
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" p1 t# |1 `4 O3 M! Fupdate-credibility-list
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update-global-reputation-list
) \& u; F0 t+ H8 h
5 C- @% m# @! t' m2 o4 r4 Q. npoll-class: Y/ Z( }5 s# _
9 i( a" ~3 W$ m5 Zget-color
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]]; k7 y, g1 k- j, B2 w
9 Z( S7 N7 F4 L$ |;;如果所得的信任度满足条件,则进行交易8 X5 c' A, V" ~$ F, z H# ?& e! T
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[
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rt random 360
$ N/ ^0 } z' A$ c& i: H+ l9 {( e$ n `4 T
fd 1
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& R9 {' B$ v2 U+ y& h" a]
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end
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H7 ? ]# }$ s- T, `to do-trust # O# w" R. `* T: Y7 \2 j4 R
set trust-ok False! D6 _' F5 C3 }; \+ z, ?
" ?+ h4 n; E' _
7 g6 l& a7 Q8 @) plet max-trade-times 01 e5 z5 t. R" t. s- ]
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]: W9 b W9 S) R: Y
let max-trade-money 0; ~" N1 {! x# c* q7 u
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
# `5 D; h6 \: n1 ~4 tlet 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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# q) `( S; Q# p0 G5 D0 _" l1 ?- X7 h0 Q$ {6 u) y6 y, @
get-global-proportion4 k+ z% [/ y) b" \& W
let trust-value a* j! j9 E& H' V8 j- 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)
4 G( Y- U2 A% Uif(trust-value > trade-trust-value)0 ?% }' M N+ ]$ E2 U
[set trust-ok true]0 c0 o5 F* g& X/ y. _
end2 m: S6 ^5 t, a3 y) V' ?2 o+ p
1 C) b$ S- o; {! [$ |/ F$ v+ @
to get-global-proportion9 k9 E! G0 S* |! I/ D C i) I
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. y) w+ W; @" y! q[set global-proportion 0]
) o8 b. m+ L; q& u% U# o- z7 D[let i 06 p8 z" S8 t0 l/ @
let sum-money 04 t# C+ [& s/ v9 i. F
while[ i < people]
7 G( g+ @$ }, n# |7 k" ]) X& u* R( B[
7 j& }8 U3 u: V4 [9 U9 b" {! ^if( length (item i& E% L0 P9 O0 C* \. i0 W
[trade-record-all] of customer) > 3 ), G5 c. ?: t3 R m0 w
[& X4 o& J$ F4 E6 s/ {* C1 ^
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
! \: ]# M/ M/ A. ]7 e$ d# ]% z3 \]/ \/ a2 e# ]+ s+ Y3 |) G: z
]
+ `$ e$ r% `1 R$ llet j 0
% |+ }4 V) I6 ?. T/ t8 P) [let note 0
( X& G8 ?) M$ d7 }8 t* {) Cwhile[ j < people]
: x# p$ |1 C( p x9 t[9 b; u" ]- ~7 r- w+ \) C# C3 `9 L
if( length (item i$ S* W, `- Z& R; x5 N
[trade-record-all] of customer) > 3 )/ X. D9 B% j3 T
[: f2 h8 P3 ]2 `5 h. J
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
5 U$ j s# H! W R5 T[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]! A3 f/ m( [6 R: E: A
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
9 E3 p- m9 N0 K]2 U R9 u8 B; `5 t% z+ @
]
3 S9 l' y2 |% dset global-proportion note
/ K' l5 K& H; ?" b]3 B: t" C$ {7 j, g: P2 M8 m) O0 `4 L
end
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to do-trade& P8 E, q$ {, B$ U2 o: S
;;这个过程实际上是给双方作出评价的过程
9 Q0 h+ N9 }7 W$ pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价 T: L: J1 ?' v
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
4 |/ E& i/ g) n( H9 X: cset trade-record-current lput(timer) trade-record-current
/ _; ?8 x4 q# t, };;评价时间% B+ d% w% j0 K- I$ k
ask myself [' J6 i, O+ A: X% \. i
update-local-reputation
! q+ `8 C1 N) A8 o- Zset trade-record-current lput([local-reputation] of myself) trade-record-current
+ G2 u9 E4 f; T p' d( K]: v7 C8 }, T% x; z6 A* p; v: n
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself: U% k. a- g: \
;;将此次交易的记录加入到trade-record-one中- N! w: f; v, ^4 K" R
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
7 o, k; n6 l5 llet note (item 2 trade-record-current )0 g2 D7 v6 E! [ ?: h: K1 i
set trade-record-current
+ F$ k5 r I$ z6 E3 e(replace-item 2 trade-record-current (item 3 trade-record-current))9 R8 h* [. r* @8 q$ P
set trade-record-current& Y6 t5 v6 ?9 H3 t/ C+ i
(replace-item 3 trade-record-current note)" }* l. E1 Z$ |. r: H
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ask customer [9 D& k" ]; p' A
update-local-reputation a3 F; l$ j6 I; }& N" T. h
set trade-record-current
3 ?7 s: v6 o8 Y9 ?* E0 O(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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9 j' [: C, h+ d( p0 X7 f3 X% @/ W; D; B* q
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer9 J( O: z5 |) @7 g2 m( s
% N. y) H b, d
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
+ j) w+ d; e) W0 W, {9 _1 };;将此次交易的记录加入到customer的trade-record-all中
6 k1 Y! ~+ U9 r" V( u# wend9 Y( N/ O4 p. g/ }" v
9 E, ?: z& o$ T; O$ Fto update-local-reputation
4 g6 W! \1 _8 {' U3 Yset [trade-record-one-len] of myself length [trade-record-one] of myself
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0 O1 o" l& _. K
;;if [trade-record-one-len] of myself > 3
3 V1 u. O% a+ V! ?8 Y5 {1 gupdate-neighbor-total9 V* ~0 v0 |' x4 j( d* X7 H4 K
;;更新邻居节点的数目,在此进行3 A# T* C4 q3 W/ P$ A8 ~" \
let i 3
/ h. Z- o* _" P2 blet sum-time 0: o' H9 V0 Y& R' b
while[i < [trade-record-one-len] of myself]
1 q% [! J# d( m7 f; j[
! }( a+ V3 `# }) F# }# r7 c0 jset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
$ T: d. S \4 r* I8 Pset i- O5 J) @9 z9 H' z0 [. a) [ V
( i + 1)+ q( L) U3 T* w0 m$ _; M
]
1 E4 D! t1 O: D8 x/ blet j 3
! x# U( V1 ]+ x2 ` ulet sum-money 0$ |7 n2 P% l5 ]8 \, Y
while[j < [trade-record-one-len] of myself]
8 [ o: N0 A$ Z: `1 W# I: d7 B[: ^" H+ I; n. |1 x% N; |5 ^( 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)" @2 ]( i/ z; i" |$ a
set j- T* {& C% B6 _' b) V/ V q. m
( j + 1)
: Z" R3 V* Z' T]
) B( U8 ]# j! e+ \' Elet k 3
% {- }* w1 k" b: t" B( ]& Wlet power 0' z: p! A+ `6 F1 n& G! u! `, R
let local 0' z- I% r+ f" p x; }
while [k <[trade-record-one-len] of myself]
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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)
) F) ^% h. k; d6 W, a" dset k (k + 1)
1 O3 u: l8 o+ P. b$ K( q+ g% J]1 C* Q! I) l {
set [local-reputation] of myself (local)+ @8 f% K/ _' ^* w+ X1 j5 G, }. H9 @
end
; [7 M) N# _4 x# X" k: j( z) n. b7 }& F/ f$ x! T$ a
to update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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( \. }; r- i. }3 _ t6 y l3 ]% d# h8 L2 a O+ U: ^
end8 ~/ B; K8 g$ o; x8 H7 J
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to update-credibility-ijl ! ^! s1 O. [7 l3 ]
, y( V/ G3 p! o, `1 y( c" [3 r;;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。% a# c Z" I4 Z/ j2 \
let l 09 Q3 B4 ^3 a g! ]1 W* e
while[ l < people ]
: a- H! |$ E9 t. X0 y/ o;;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, ^, H7 G$ _[
, S5 o7 w( j3 F, F3 Mlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)7 \ e; ?- D8 ?
if (trade-record-one-j-l-len > 3)
% S8 D4 `3 E1 `3 e$ O+ l' Q0 M[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( P5 U2 g* i1 k4 I* h! r6 S$ m
let i 3
' `$ z, ~% J% A4 l7 y8 ^3 x1 Y2 o% `0 vlet sum-time 0
! M! U+ I, J; Z, C3 g* L- Uwhile[i < trade-record-one-len]. C5 v, S$ O) K) U: n0 K
[; p+ _& s2 K4 \
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )& X8 b# r3 z" [+ Z( u
set i; }$ U3 ?8 x3 ^; ?+ c3 y
( i + 1)2 H- x6 F% }+ ^: S; [0 a6 Z
]
, u8 J+ t( v+ Y) M0 X1 D: j' wlet credibility-i-j-l 0( x% o5 O2 l q2 _# H! W3 C
;;i评价(j对jl的评价)6 V; G& F1 M0 R' t3 m
let j 3
* _ Z# @4 D9 `5 Rlet k 4
# K, _9 B; }0 f, v; Zwhile[j < trade-record-one-len]
% C+ h8 x+ g+ t# G, H+ U. a[9 h0 [9 O7 y9 {* R! v. j
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+ W5 V1 J7 c% Q- Y0 }- a1 u6 u
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 g0 B3 O1 J8 B6 e: g9 k% R
set j J" g) W, A' b+ Z
( j + 1)
5 z' B9 f% s" ]]
2 P& W* i m+ H Q/ bset [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 f' E4 U1 O7 ?. \* }/ p6 T+ x: K
' R5 \9 r. h8 p0 Z# d
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))7 P U Y7 l$ E+ z0 W! L u
;;及时更新i对l的评价质量的评价9 M: x. T7 ~ D, H, L
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
+ ^0 P8 T! D/ k5 p7 n' o6 R( jset l (l + 1), ?5 w$ _' [( V5 o" H5 w( m2 g
]
; m |" C5 z6 v2 [; y5 Z3 zend* O- S$ ]5 I3 p$ X
+ S [; g2 J. u) J+ f% _+ Y2 x4 u
to update-credibility-list I/ x& k2 n. `
let i 0
. O' a" ?* V1 d5 E6 awhile[i < people]5 x% b- ^2 j8 t T5 t; ?
[3 D: Q" ~3 t* X# a9 i3 U& t8 b4 g
let j 0
5 i9 `0 {' r2 @8 f3 F2 z6 plet note 01 ]. M- }' o: y: X. j" \
let k 0" n; r9 N, i% M: d7 d0 A ?" ], h
;;计作出过评价的邻居节点的数目- ~& j% k; @& C+ \
while[j < people]7 @% ~6 w& [( f' i4 k7 x
[" o# W2 b' _. N) g7 @& o
if (item j( [credibility] of turtle (i + 1)) != -1)
! ^( \! H) N1 ^+ i/ |$ z3 q' W5 };;判断是否给本turtle的评价质量做出过评价的节点# p9 k- T- d. J! j' V
[set note (note + item j ([credibility]of turtle (i + 1)))$ @7 u* D' A2 b7 _
;;*(exp (-(people - 2)))/(people - 2))]
: a8 q$ {3 d* r* @% h7 G$ j3 y5 s$ ^set k (k + 1)
1 A: l7 I: n6 Z5 {9 J& h]* V5 v+ [9 G: Y4 Y# W& x
set j (j + 1)
" l! U+ V! j4 t7 B, i6 Y]
6 I8 ?2 X' D. U, E- ]" [set note (note *(exp (- (1 / k)))/ k)
+ n& H: h6 `/ Y# s% M9 Hset credibility-list (replace-item i credibility-list note)2 @1 j6 S Q- m* x; E8 @" G q) ?% M( V
set i (i + 1)" t$ `& a! q- c6 N* T
]7 @% x* H! ?5 r) w; O
end' i$ f( u9 A @' E- G- x9 t
" |7 a' L0 N9 k E7 Kto update-global-reputation-list
3 Y9 P! b! A I6 ilet j 0* O: s. i0 X5 ?8 m. f
while[j < people]
0 q" M4 T5 c8 O4 v# `# O- z8 y* Y[& P* Y k/ G1 V: F: f& t
let new 0
4 a& \$ `/ K6 F5 j- I& T& e;;暂存新的一个全局声誉
, Z5 C$ v5 y2 @2 X# Ulet i 0
3 @, N- v; E. P6 F$ ?1 slet sum-money 0
" L( U! V4 \# X& Q- H) Rlet credibility-money 0
. c' | U* H7 e# g! L0 Kwhile [i < people]1 F# c5 }. Y- ^" y2 v, n3 U# a
[
! S9 ~5 H8 ^3 O( y2 k" Cset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
. R- y1 m# G7 P4 w8 qset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
9 N, z, `6 ^( Q1 }. cset i (i + 1)( `7 O e# h; k! i0 o
]
. U; T& f8 e) x( W% w" y6 rlet k 08 R, K! ]1 S, v# Z# ?( b
let new1 0
, R- C$ M8 Y; a6 \# o- Wwhile [k < people]
+ E* p' A. }4 X[
9 m7 G0 [& c" G; J9 Jset 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)
$ B# v9 F; z A+ D+ xset k (k + 1)
. Y2 Y* T1 P. M& H& d! k]5 c f- v' c! ?+ g7 N) q& X$ ^# z
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
7 x3 V. s$ f/ Yset global-reputation-list (replace-item j global-reputation-list new)
) H% C" n6 S8 D9 e* f& |- Uset j (j + 1). [ |4 V( U/ Z! {3 _. K
]
2 \/ m' i( r# ^. q |end8 _5 X L: ~5 K; E6 p) h
$ m, e; f8 n+ e7 i& d) L" T- K. i/ W0 G9 c# }- G2 P* K
. q" d- q% a- [2 Q
to get-color
3 e+ `) k7 |% j% `6 W ~3 k' }
. W6 n. U' R4 s( ~$ U6 Cset color blue7 [- i1 }& y" k: Y6 |4 ^+ A
end7 Y& ]" `7 R% r0 Y v/ A
. o: Q" t7 [: E% o
to poll-class8 w1 H5 O0 X# M$ U3 B2 H/ G
end
8 Y! q% i4 v! @. W$ Y8 C/ f9 f
& \. D2 {0 R4 p. q/ F+ Oto setup-plot1
% c. D1 w M8 r0 v) P7 n3 E+ B& c
# r4 y. W0 _# y9 c1 L3 w. Vset-current-plot "Trends-of-Local-reputation"9 M; E y0 ]# i m( {5 K4 D, c5 e3 E6 A
& Z) y9 e7 [8 E$ i# J" A0 _- S1 Tset-plot-x-range 0 xmax) C" w* n1 M; ?% r, ]0 u
# o! Q! j! D1 N F! r% k
set-plot-y-range 0.0 ymax
1 R+ | [4 G, L! K) B% L$ e6 pend
/ z, f- u$ w5 B0 v# h; J5 n" J8 Y8 r2 \
to setup-plot2& d. l3 }5 Q/ X
; z& w; E$ h+ w
set-current-plot "Trends-of-global-reputation"& B, m4 ~) d" p1 |, K4 P4 |( S) {
9 r# ]& z& I4 M/ r
set-plot-x-range 0 xmax
) n" y6 t0 p# O, m5 T8 W6 c+ y
6 L5 B0 b3 T; _ G; \set-plot-y-range 0.0 ymax! Y! x# Q- o: q. z
end% l, S0 k0 t0 k% k _) Q2 s, }9 D
0 Z, P. G6 D% J! d* A$ d# G6 T% k; d
to setup-plot3; L3 J# h: L8 C: J
+ Q& r; O" @ J9 F4 @- Z3 }# D6 V
set-current-plot "Trends-of-credibility"2 C8 X* m; M7 C
D" M- E8 ?- I, ]set-plot-x-range 0 xmax1 x/ `+ t. U- U- N; r3 x
8 }5 M" B5 _( f% X: h5 ^9 Yset-plot-y-range 0.0 ymax: X6 a+ z, q) A: ^5 c+ f
end
5 b; K) o, k6 N6 Z$ c7 S" b- H7 ~/ a0 ?4 m
to do-plots
3 _& z3 Q @% L& D; wset-current-plot "Trends-of-Local-reputation"
2 _7 p0 j6 o+ o. g4 sset-current-plot-pen "Honest service"
; K7 E5 b5 x, ^$ oend$ j& V) b1 o0 d% P% s1 w4 B
) w: y! `9 h) n3 d3 ?7 D' P
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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