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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2 p5 |2 A* v- |, w/ Q4 q3 ~9 h
globals[
9 R& v! Y" G) A# u9 H, t( t0 \xmax& u& k. S Z' Y( _% n: j9 w# U. d
ymax1 z9 Y' y$ n! [2 h6 x% W+ H0 h+ C
global-reputation-list3 G2 l: H {3 z" \
" a! ?9 P% l# N1 l: f4 }0 X
;;每一个turtle的全局声誉都存在此LIST中5 Q0 o) ~' M1 e* X& H$ @
credibility-list
* V1 z1 ~5 Z' r5 m7 }& r;;每一个turtle的评价可信度; t( y6 @) s& E" I3 s( Y
honest-service
x) C( x# v- h- ^5 \. Y: Lunhonest-service
5 H2 r+ o0 W1 P* K. `$ Eoscillation
& A+ b5 y& _3 B, @rand-dynamic; q2 q8 p; H3 ~- S/ o- u9 J. O
]6 k" S! B N5 e4 g. l+ [
; P- L5 I1 u8 Z" b5 ^6 u9 D
turtles-own[
% U4 ?3 o& M; b; D3 Q# xtrade-record-all
: w8 R( X x8 ]$ k;;a list of lists,由trade-record-one组成
9 B/ X1 `1 a1 {) w" Htrade-record-one
; w/ a1 f. w; e, 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
" H, O1 X0 `5 K: G+ B/ W2 U3 w, k# B8 ]
;;[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]]
) d& u$ z8 e; R5 R! ~) p% d: gtrade-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]
- v# @- n7 o# _+ Z) t9 W" A/ B0 ~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* _0 a8 D' D$ O+ z) G, w
neighbor-total
& ]+ W" Y0 E' K+ ?;;记录该turtle的邻居节点的数目+ ^) Q9 K/ K* I; X
trade-time* D! N K; b# J$ s2 c0 T+ Z
;;当前发生交易的turtle的交易时间8 N) n1 p( G B
appraise-give
6 @3 I R! Z! d& W' U p8 Q1 l0 Y;;当前发生交易时给出的评价! j9 u" V/ E% _% \) P0 K
appraise-receive+ ^& o; {- Y! ? \' P
;;当前发生交易时收到的评价! C; Z+ W- X; B8 P$ _& ^6 @
appraise-time
5 i) i! g6 q$ M, G4 F" H, M# T;;当前发生交易时的评价时间8 z3 ]! G; N& n4 Z
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
6 j. H: k S$ p; E! p" dtrade-times-total
2 ^8 ?3 g& r( _8 B V7 o+ n; d/ B;;与当前turtle的交易总次数
~. q$ u0 m& D9 M+ Jtrade-money-total6 ~7 @1 A: f4 y: k
;;与当前turtle的交易总金额$ }9 c" w' d* |5 [
local-reputation/ Z2 M h2 a6 e5 j6 P
global-reputation
8 J9 S3 U& Q9 y* L: dcredibility7 A/ w$ B4 N1 m- a' X+ u
;;评价可信度,每次交易后都需要更新/ `; t! a Q; U
credibility-all
! ~3 _8 O7 h$ R;;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
) j0 S1 L8 o4 u. t3 {6 o5 K
9 ~7 j& {6 P5 v1 {8 J7 o;;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+ p7 _" J! A! F3 [9 ~% a, [
credibility-one$ [5 A' v/ m5 X/ h8 [' N8 s. O
;;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2 i1 ? j; ]; |5 ?3 M* z J1 F7 u( a+ _
global-proportion9 }9 K& L$ O. r$ G; b# Q1 q6 i
customer( n- N( k2 @7 a# w. _5 l# f
customer-no: J! m% r1 w" _
trust-ok) ~6 T# a2 ^4 l5 q" B3 I( v
trade-record-one-len;;trade-record-one的长度
) f J4 T2 R! [- r. K]* n0 l) [& ]% a6 q6 M
4 O( t0 n: `* r. i# M( U;;setup procedure9 r" e/ ~; P5 Z* `& b
7 ]; R' s4 u1 x5 X0 k# c, Tto setup
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ca
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[ }, u( l+ Y( P. Winitialize-settings
9 h' G4 r. O1 C2 Q1 d4 X/ \8 c' K% }3 _. i
crt people [setup-turtles]
. [2 a2 l- F' b; `4 Y6 S: W0 x9 `- m/ u
reset-timer
! u5 q1 i% X( }, o/ C( v
1 l* x& A3 S5 n% w! \poll-class! l2 T9 L. u6 ^: f! C" H
+ m M# \1 ?1 d9 {$ Q4 M8 ~setup-plots [% N( B- }6 T# s4 R9 m) q% `
1 w [5 H3 j1 }+ ido-plots
0 Q% r8 Z0 T$ s8 {' ?end
: h; c! {# C1 h8 c: a+ b$ V$ n Q4 ~/ W7 |
to initialize-settings0 e# `, X9 w# k9 T8 e/ [
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set global-reputation-list []
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set credibility-list n-values people [0.5]
- x0 j. l5 d \8 q
& G+ ?+ U. e& \4 R* pset honest-service 01 C9 {" n2 i' K: H* l
1 f: L# _ s4 s4 {
set unhonest-service 02 Q/ K+ e9 \8 f8 |* k
3 @3 J# U% o' |6 o/ cset oscillation 0
& z* x" d/ w& D2 k5 @4 V& V% v5 B9 A8 q) i( @
set rand-dynamic 0
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to setup-turtles
" W- `- s9 d% Xset shape "person"9 H5 Z( ]( a& H4 ?! a+ h/ e) G
setxy random-xcor random-ycor
6 p0 F0 }6 m- z4 G5 j- @( m! F# Vset trade-record-one []) r4 o- J: D# l
: @3 M5 ^+ J6 g0 ~
set trade-record-all n-values people [(list (? + 1) 0 0)]
! K. K7 \6 ~. c( J7 s v
0 o! |- {# y6 O1 ^1 W1 l9 ~set trade-record-current []
( q/ ?0 T, ?- n8 |set credibility-receive []9 t% D/ B, |2 f" a7 K( k1 g
set local-reputation 0.5! `$ J0 a) S2 v
set neighbor-total 0
8 [. _/ Q: k/ s/ @, H' T# Gset trade-times-total 0
9 W9 }/ x6 {3 A) O8 J5 Oset trade-money-total 0) l, M" n- H* c7 `: ?) d4 [
set customer nobody. d+ S/ _. W- H) a) D* t: o) C
set credibility-all n-values people [creat-credibility]
5 o+ ?/ s% c& g3 d5 y2 {set credibility n-values people [-1]
/ ~; |3 L; R5 l8 @1 l3 V2 b1 Xget-color+ q- m' k. C% }9 G+ X q
0 c5 h! T i4 Gend9 I1 [, U H1 }2 W. H2 T9 Q5 b* u9 ^
# w$ e4 C! v7 s! A8 ^7 f
to-report creat-credibility
. g, p6 l3 B) X! ^% c$ L8 Nreport n-values people [0.5]
8 S" W1 o9 D8 h- {, J1 ?end/ C* b: w' l0 D6 I
2 g% r, X- x' e% {
to setup-plots0 D) I! N# b( h# P2 N) g* o! a
$ B0 M' A0 h, c6 k, ~3 @set xmax 30& G. G H, Y! h) Q. [/ e
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set ymax 1.0
% X3 P* Q- Q- h) Y X/ G' B0 r* A$ v' }; H. h }0 X& Z+ k
clear-all-plots
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setup-plot13 u0 \4 n, c6 N, a* M D
9 ]' h8 r) y C$ Q2 Usetup-plot2: L. G+ ^- d# j9 \4 Q
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setup-plot38 [* L- Z: P) q( ^
end
# \! X% C: v* r+ l8 K
: D9 e3 d4 w' D. M: l8 |;;run time procedures
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to go
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ask turtles [do-business]
" Y% I$ X! X! E I9 Z2 Jend4 `& }" `$ A" Y" S+ }3 z) Z! E
0 Z/ u2 E) r5 V6 Vto do-business 3 D- R0 i. L' M5 y* o9 w+ r
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3 V9 G: o! w! }+ [- H0 D
rt random 360
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fd 1
C# g7 ~% m# t0 m" \* n# K. i2 s0 e
ifelse(other turtles-here != nobody)[- _0 p6 X( W8 r3 E" H" e6 ?
1 h) N5 a- h F6 z* Gset customer one-of other turtles-here
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. |9 m, [/ v& T C( X1 |4 h! I;; set [customer] of customer myself
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+ V1 Y$ Q K, x+ uset [trade-record-one] of self item (([who] of customer) - 1)
1 \- a9 W, z: v B4 e[trade-record-all]of self5 ^/ o n$ r) n, v1 Z5 q
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
) \/ x+ U) v1 D. D% U
8 u7 \3 @; w, a6 Q: q4 u& hset [trade-record-one] of customer item (([who] of self) - 1)2 v: r: a" I3 f5 x# o
[trade-record-all]of customer q" m. r/ s1 m, e- ^
N1 k+ L, Q* q8 y1 ]& l9 f
set [trade-record-one-len] of self length [trade-record-one] of self
; v! k J; ~; q7 q1 @
# I5 C V2 U/ ]set trade-record-current( list (timer) (random money-upper-limit))9 [ ]# Q) ^- u8 O5 h+ r
2 ]1 T# i: r5 B r* [/ N
ask self [do-trust]
4 {. J6 L4 ?( Q1 }5 X7 t0 x2 v;;先求i对j的信任度( p. v* ~2 W( Z. ~ ]; Y; E
- h1 w( E1 `) K$ hif ([trust-ok] of self)
# c3 ?6 O- a# U+ U; S;;根据i对j的信任度来决定是否与j进行交易[: C7 j" l j- P" ^7 l" C
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself) t: a* _3 M5 I5 a4 X3 u# I1 q
4 k& R% G/ T* m2 I) A- ~- w
[
- C! C0 [7 c* m' l E4 ?
' w, ?: [: q' h# [% ddo-trade) x3 g' d- R1 X5 ^) }& J
% K. X# v4 Y- e: w6 A0 a
update-credibility-ijl
- J- ?7 E% L% D U% S
" W% c e) @4 n2 Z Pupdate-credibility-list0 s' s) }+ n, l
r, O. n: y( U' l! c# `- K/ S7 Y; s$ N5 x9 V
update-global-reputation-list
# M+ C( J% x0 p/ @1 V1 i. B; D& b7 g3 Z+ W4 M
poll-class
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get-color
4 _. W" e# J* X0 q' I
! `5 `; a, B) m) c8 ?$ d! e]]/ N" @* O+ e& w9 d5 G# Y+ a
6 a ~4 q# S4 {6 F5 @% M' S2 M;;如果所得的信任度满足条件,则进行交易9 _& p/ ?) @+ ?& t* q
: a9 {! O# i- j3 f6 i' u
[
& w8 o8 ?5 K2 o( s7 v9 j* O
: n+ r. F G( V; O, Rrt random 360
, A8 j) _4 E% ~! W6 C* l" N2 m# `) x' n. u0 {
fd 18 d+ T( F: M. l# G3 y
) I/ V9 H" ]! X. i- D
]
+ R) e7 d2 [/ D7 t& V5 I
% p" ?* q4 m, f& y- nend2 Q. P5 N8 | t9 M7 n; I# ]" b
* h- D i% n( e4 ?9 S& C
to do-trust ; n) W1 s5 U0 N7 K
set trust-ok False* ]9 l5 L6 h* r- L" y8 ~
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* O1 A2 X+ \2 C. W8 R5 |( F
let max-trade-times 09 G; g, I! W- P9 D
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
" \2 a9 [$ o4 L' w3 y+ B: l; Xlet max-trade-money 0. U9 t. _% g8 a+ [' B
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]2 ^) \ ^4 j Z p, f( d6 ~
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
& z) r# y& ]- m8 v( R: L! ]8 B" \8 R: u
( I: y5 W+ X! H9 ~
get-global-proportion% I" Y8 _% e' q7 ]# }! K0 @
let trust-value
# w! ~. {% z j1 ?9 I, ?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)
, `6 f: d* E% G G" `4 Tif(trust-value > trade-trust-value)- R6 q( G3 r- d& V
[set trust-ok true]
% x$ T. C1 ~8 \6 M! Fend4 v, G& G) q y& _- h' K: k5 p( X
) C2 N/ k) o7 X0 n) v) u! Fto get-global-proportion& o+ W3 S; K4 k7 x/ s
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)4 s, d9 }1 x; `7 h+ V" \6 P& |
[set global-proportion 0]1 M- w1 E8 D" `# H! O
[let i 0
) W0 e- P5 Q X: n1 [let sum-money 06 ?$ D% Y* D! p- l$ {
while[ i < people]
8 d" J0 @: U3 p, Z; Q; l[( l5 G; h% p2 U3 n" e; G
if( length (item i# Q9 R) P; H+ t& f* Y
[trade-record-all] of customer) > 3 )2 H! g; R" W9 l! c( x9 x! B& I
[* J9 }2 }0 O: M- W C. l
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))# k' `5 F! i; |' P+ W- V* R6 d1 o
]2 g; y+ E @9 V) M
]
' N$ p1 s% q. s' ?% H* i2 Q8 Tlet j 0
9 h* c" n2 \9 ]5 n: F( Q) X' Y1 e6 N; rlet note 0" K. {1 M1 j; W8 p( G5 q/ N
while[ j < people]) D3 b! l% p/ D* T+ `, x% n0 ^
[
' b- j+ W+ g! q, W2 sif( length (item i
9 I) a7 l% y4 X/ S+ ?5 D8 X5 L[trade-record-all] of customer) > 3 )) t3 R, l: L4 u7 U, w
[7 E3 J a; R+ U; G( h& h
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
+ i7 U2 w7 c2 Y" X$ v5 F5 g0 F: S[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], P; F% ?3 i# i ]$ g
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]" d" L- E1 z* y$ Z: D P# z0 `3 {% b# x
]5 L7 J: Q- M, N+ H
]2 M" V9 r5 e# T
set global-proportion note
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' C5 ?2 W( l4 t8 Q2 {end, V; x7 N, `( W5 b6 Q7 q
( N: ]1 a0 M# L' _7 |+ Vto do-trade
+ c l7 w, b9 R: r# m+ A% a;;这个过程实际上是给双方作出评价的过程
/ @* E" M, v/ N" P% iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价$ l3 K% w8 i4 \
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价7 N/ m' p' |) b2 I, J$ w7 H
set trade-record-current lput(timer) trade-record-current4 ?7 g/ J7 P; s6 t5 |
;;评价时间
+ a4 G1 q7 t* l& D0 y1 oask myself [
$ p, h3 N1 {; t, T$ F; Uupdate-local-reputation* q. v. a5 H' x; r. I1 h
set trade-record-current lput([local-reputation] of myself) trade-record-current
! l0 m7 |8 W6 P- r]
* L7 d& Z( K$ X! |+ O4 Hset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
) i2 `3 u4 C# m, h1 ]) c;;将此次交易的记录加入到trade-record-one中
8 g# G2 u! B9 Jset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
% ~4 w0 M( y7 z7 Olet note (item 2 trade-record-current ). q, z1 w& @0 |9 }1 f+ t
set trade-record-current0 d% M2 E/ i- r8 p) e* |& {" V$ i! ^
(replace-item 2 trade-record-current (item 3 trade-record-current))" R! I( x$ g% O; O2 Z
set trade-record-current
" D+ y$ ]$ x! v" A( Y$ M0 R(replace-item 3 trade-record-current note)3 Y# W9 l6 J( k/ _) Y
5 @1 C1 F* |0 s4 J6 t' \- ^; T( Z, v+ @. b
ask customer [
, W; p. T- m9 s5 D% Zupdate-local-reputation
( X7 \: Y" d# e4 D0 T, v ?set trade-record-current
1 O+ b) ?" r9 o+ U' ~(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer2 w- [3 C) s. k( w
- H8 P; }- ?# ?& q5 @3 I* a
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))# Z% Y! G5 Q# Y. C
;;将此次交易的记录加入到customer的trade-record-all中2 M! x. s5 ^) @% E/ ^ w' { T4 _3 T
end
% V9 b; o8 x3 U4 e$ Q5 @+ ^3 k- z
to update-local-reputation) _: f; ? U' R: H# r, `
set [trade-record-one-len] of myself length [trade-record-one] of myself' w+ k' {9 V& ]% b
8 @* q. k% P8 C6 ]2 w. L1 a
5 r( o' t N( G3 X9 G;;if [trade-record-one-len] of myself > 3
8 x+ h! D! w1 B4 a; mupdate-neighbor-total- \9 H* @0 G2 p5 g' \
;;更新邻居节点的数目,在此进行5 H# d8 ~ o; v; ]
let i 3* V+ X3 S0 U W4 _. l
let sum-time 0
4 F, @: o( r% z) L8 m2 R/ Mwhile[i < [trade-record-one-len] of myself]
: I& Z; H+ V/ E9 X1 @[! p5 \& E d' N! b* |0 W
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
1 F( |$ c( S+ s" e @; w! Uset i {- \7 o! @5 ^# J) t2 L7 |/ P
( i + 1); |' e5 X! V6 d( D& M$ U
]
% z. n% n9 a- {( Z5 V' \ Vlet j 3+ U0 k$ U, _' U9 @# S
let sum-money 05 f J4 U5 a# }5 c5 T
while[j < [trade-record-one-len] of myself]9 x4 ?4 L2 E! P/ Y
[% M9 G( Y: R/ s8 l7 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)' x" K0 {6 n0 ` u
set j
2 @ [& t) f* g! E) ?$ A( j + 1)
! l7 u( k, r8 p]
% v# X7 h( _8 z# x. F: F$ olet k 39 N9 d$ Q4 d {" B. u
let power 0
3 D5 l5 |+ I. q; i) ~let local 0% X3 c5 G8 F, P4 F7 i% A- S
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)
# Y+ `$ _# u) x1 [; Iset k (k + 1). f) C% ~; r2 I; P6 l7 X
]
/ H- F, q8 d5 P% @3 m5 Eset [local-reputation] of myself (local)
: ~+ O0 Y: c: l* k9 Aend
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7 r4 M: A# [8 T3 ?) N eto update-neighbor-total9 e. |# q- _) V
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]+ D) O/ Y6 I0 {2 p( s3 e% O6 S
* ^. Z. d! A/ C0 t
: n u. S- T i8 f2 @end$ c" X9 B$ E w7 k# @
2 o* M2 q: ~! B5 y* b2 ^
to update-credibility-ijl / x( L- ?0 o, S0 ~
1 R6 d% H y$ N+ p9 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。
! Q7 Q: R7 n% e3 L, S+ jlet l 0
* U+ [5 w) G* h# W% twhile[ l < people ]5 P1 E4 {$ b/ F6 E2 Z$ B
;;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& C8 p: ?' E! t, w9 u. m
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
/ L, \! }- S. m( X2 Z8 Fif (trade-record-one-j-l-len > 3)
; e* a/ T( }, r& S% {[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
/ \$ e8 {6 i6 P5 plet i 3( W. J2 }( x# V& z8 ^7 j
let sum-time 0
# G) c7 B+ R& H% S: k, Nwhile[i < trade-record-one-len]3 x. p8 K7 T" g& x2 `. H+ T
[: Q! u; z* o/ j
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )8 p$ a& w* [4 C; z" }7 Q6 x% t
set i
o! W. Y' a6 q1 _) c2 h A( i + 1)2 B$ ~9 b. S( s6 ?
]7 |9 s4 x7 s' e0 U _: Q0 Y2 S
let credibility-i-j-l 0
. X' A* d/ I; k. C) d0 A5 r8 Z4 h;;i评价(j对jl的评价)
+ I: \, ~6 C Olet j 3
; A. L) v! o. C- L; l$ ]let k 4
7 Z% W" E! B. e; @while[j < trade-record-one-len]
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" \; V! Q- T! Wwhile [((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& M5 w/ u/ ]9 [6 n2 J2 `& A2 }
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)" Z) L# D; O: d, `
set j9 X3 g2 q( `9 d
( j + 1)8 ?, S: c9 r1 s- j' G, u
]9 J0 L0 Z: p. B
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 )), i! A: [9 }* c# k: i
8 B' l, L# T/ \& l
" v1 P1 h1 q+ L% f, [1 flet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))3 T i9 p% f& J- I
;;及时更新i对l的评价质量的评价5 `5 g1 ?) O* y) y; |! Y+ G
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
; Q" B7 M4 Z$ ^set l (l + 1), y8 ?) W8 o8 k/ d, Q4 q* N
]
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5 i3 b: h. n9 `$ G& _0 _4 `! }
to update-credibility-list" S2 Q: y7 T* k/ d3 M
let i 0/ k0 i. g' a8 E( s/ s" _
while[i < people]
, Y: ]1 Q8 K. `$ U e; V[
- I5 Y3 @' I" h9 y/ plet j 0
/ [6 G1 H4 i2 y8 U! m# D1 k, m" glet note 0
7 ?. q0 d2 {, |* R. P, ]; _4 Plet k 0
! `+ \8 c8 _& Z" b! W! {;;计作出过评价的邻居节点的数目5 M# m% u [) V3 N
while[j < people]1 I9 J" d8 r! J5 l J
[
$ k$ ~6 E$ g5 X/ ]* o" `" Dif (item j( [credibility] of turtle (i + 1)) != -1) i; a- m3 r& j# K* L4 F
;;判断是否给本turtle的评价质量做出过评价的节点
' o" W% @( q- ^9 o9 K) r1 O/ Y[set note (note + item j ([credibility]of turtle (i + 1)))
. \4 T5 M4 `/ ^% r/ d* n;;*(exp (-(people - 2)))/(people - 2))]; ^, f8 E. R9 `2 J# T& f I1 w
set k (k + 1)
. j" _9 U) ]3 g) s/ N( t]
7 v4 @- w7 f8 ~6 G! D& `- Rset j (j + 1)
* p; Z! @' a' D]
s, Z, t' T" b/ Y: f% Mset note (note *(exp (- (1 / k)))/ k)
9 W+ M/ }& H5 `6 i8 y# c0 o) {1 x6 oset credibility-list (replace-item i credibility-list note)9 v6 O& N/ @5 E; H t
set i (i + 1): K: @) G5 X5 M# j
]3 t$ C# L" `8 V# y
end0 f z" c; r7 x# O# a7 r* N* x& B3 p/ R
# L5 }; L( I3 n r; C3 [& }- r
to update-global-reputation-list0 K- p* Q$ s( M) r/ c. S/ `
let j 0
6 N- C& H! o+ J; @& `3 X4 twhile[j < people]8 t( k X! \& q" y& S$ y0 f, v
[" E) \* \( ~( a" N" h
let new 0: ^1 ?) h0 P8 u1 P
;;暂存新的一个全局声誉
& D. ?7 n; ]$ N" d% y" D3 clet i 0
' Y$ V( d9 w9 I; a+ o3 u% `let sum-money 0) |: D4 G9 ]! Y. p1 G% P. j
let credibility-money 0
% ?! ]' r; Y9 v- t. u8 j0 a9 Jwhile [i < people]2 o% i' I* @+ C+ {' b: @- e
[
2 D2 b5 F; u7 vset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
6 H+ T. ]5 L) W& Yset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))$ H* k; A4 }$ ?5 ]: N* k
set i (i + 1)
- k( M3 Z8 V+ F! L1 W( c' d1 e- F8 s]# Q% m$ Q, ^1 c) o/ Z3 Q7 D1 c
let k 0# ^1 q5 m* u/ w6 C! r# A$ M: ^7 i
let new1 06 x! A% f: z0 m
while [k < people]
3 T8 y j5 l( K+ V) u1 S" C[
" B& ?9 y" ]/ L4 Fset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)! D0 }$ J9 `" Y( W# g, F" j6 ]0 a
set k (k + 1)
; M0 H# [* U3 K]1 P6 U6 c3 V6 J* G& h' l
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
1 k1 C1 O$ U6 q1 o# |. vset global-reputation-list (replace-item j global-reputation-list new)8 w0 }$ v! ^; Z( d
set j (j + 1)
) M2 M @) g2 N]
1 U8 ?3 k+ a+ |6 Eend9 d; j" {* c3 D; C3 j
+ B! z. [4 `2 f' k- z) K
# H8 `5 H- V- L* b5 e' q! E. q( m- t, V* [' `
to get-color6 q6 n+ _6 R2 X+ G9 Q9 l3 V( T
0 u! z( q! P2 }set color blue
; m$ h6 O6 H: [end9 u7 B* f2 }( `# Z* j' C
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to poll-class' a* i3 j5 N, k+ c# ~) i7 `
end
( |7 d4 A! w H) ~5 Q/ y+ _0 K* {) e7 Z |# \
to setup-plot1
' ~* f$ F& h) |* n8 a1 P0 d; ^2 S) f6 |! f
set-current-plot "Trends-of-Local-reputation"
5 C& i: {0 O2 o/ V
. k8 P0 x: \) x: ?set-plot-x-range 0 xmax" `6 ~' I$ M! ^6 e; p8 h% P
* v r! I8 J. x( ~" r: T* H; v! _set-plot-y-range 0.0 ymax4 x9 s7 R$ L1 `0 \, {1 B
end3 d/ `3 w# |! q c& q
0 {* X2 q# s; y7 z: h0 Z- xto setup-plot2
3 b9 H$ M+ l6 F6 O5 J
6 U' C A2 w" D6 Pset-current-plot "Trends-of-global-reputation"/ O. i: y7 B9 `8 n7 K" f
5 i9 p0 Q) u' D% k9 Iset-plot-x-range 0 xmax2 I. M# X. g5 U' `7 u' J9 R; n
5 v3 S3 f4 Z& `
set-plot-y-range 0.0 ymax6 _6 P6 S- w2 y4 m
end! W9 Z: h: ~0 I T; f& @4 l( o1 h
# M& ^$ E( r1 B/ x7 N/ y h" U
to setup-plot3& P4 g1 `% r( V5 w5 o. K
; l$ k! D1 B; d" [set-current-plot "Trends-of-credibility"1 l, |! [& |4 x3 x& L, W0 C- o
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set-plot-x-range 0 xmax+ `7 i- k' A% S S
! Z) [! C- G% Y$ w6 z X7 P) }# ~+ k
set-plot-y-range 0.0 ymax, S, _: a1 Y$ G, N( L
end) N; K3 r# t4 t. m4 w q: B
+ f7 K! W' _8 A( [* Q, Xto do-plots
; N7 p A( a% {+ y- H4 q- N0 {& \set-current-plot "Trends-of-Local-reputation"
6 b4 X" C( A( q* Eset-current-plot-pen "Honest service"
. B. v4 K2 r: m( Q# Q. @end
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: J! A2 r j I& V[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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