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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9 H% ?0 D; C) t! I5 u
globals[
$ y6 F5 k; A5 v) ?! D, t. Cxmax
1 C9 m- J: e0 [8 t( {ymax, Q/ Z0 M8 ]: S* F7 u
global-reputation-list
1 j) l; X0 S6 P% W7 Q/ Z+ L2 T3 _3 B) y/ G* L, w
;;每一个turtle的全局声誉都存在此LIST中% |% B, A* A3 R0 h$ {
credibility-list' l Z+ t; X6 J. T+ e/ e: e
;;每一个turtle的评价可信度
9 l/ _: R, X2 W7 j& chonest-service
. e* E2 \: w0 W2 D8 Yunhonest-service
: y9 ?) R( N" y, voscillation5 O" G0 e6 z6 ?% I1 @
rand-dynamic, H, B0 H6 ~; w( D/ q2 z/ x3 o
]% x4 V1 y2 N! N, R# t
# e$ {% H# M# W
turtles-own[
5 q8 H8 b' ?; E1 }% ktrade-record-all
. G% O( V7 u. e2 u3 I+ z;;a list of lists,由trade-record-one组成 z! M: k+ }8 ?- x# n: M
trade-record-one0 E3 Y- ?7 R( ~; H
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
- T0 j8 `: K, n, N+ p9 e1 z1 m: `7 u1 O. O7 {
;;[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]]
; _6 a" ?/ X9 Ltrade-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]4 S! Z( B* U4 M: h9 y1 {: A' Z
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" u: b2 S5 {* m5 O+ L0 J# q
neighbor-total
: L3 \" ]# E: Q;;记录该turtle的邻居节点的数目
j$ G1 U" q# q+ Atrade-time* j& l* s8 K9 n. ]3 p1 f5 n
;;当前发生交易的turtle的交易时间: p5 a0 x# x( u' O4 F; H% D
appraise-give
3 X5 Y$ |' }, H3 O* x& B* ?& V5 H' |;;当前发生交易时给出的评价
R" M5 A" }% ^2 E, ~; oappraise-receive! g5 D z4 \2 V6 L! t' q- g8 {
;;当前发生交易时收到的评价; g# l0 `- t; @' ~6 J
appraise-time
3 w% S Y' E1 c2 ]! z+ J. Z7 x;;当前发生交易时的评价时间' C& x4 \6 y; O L- o% o q
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
2 l8 h0 C! R. s* ~" Ntrade-times-total
- Y3 p; d& I7 `. }/ G$ o8 f;;与当前turtle的交易总次数- I+ o/ m8 w' A& O
trade-money-total" ?+ l8 P/ q! r1 ]% A: G3 U- e9 N) W
;;与当前turtle的交易总金额
( r# `1 P/ z5 K, I0 B+ j' e) I% nlocal-reputation
6 o3 A5 m) ?) yglobal-reputation7 v4 q8 ^# D9 b5 T% F, R; p
credibility& G! P) ?, m- M% [" {% s4 Z
;;评价可信度,每次交易后都需要更新
8 t A# A; {$ r: c3 Lcredibility-all6 q6 j) t0 m. w% [' A7 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9 |, `; ?' K# ~ N! e
2 _* P! z# O6 S7 D; ?0 E0 E# }1 _
;;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
e' p" M/ }" \) acredibility-one
# n$ r1 @, B; y3 S! b% Q9 L;;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+ [7 }: x* m7 J5 c
global-proportion: g: q$ c+ x, S6 p- E2 B) A
customer
% v3 j. {/ q3 N. r4 n0 Wcustomer-no" m4 b, ^# z% K$ q- e7 D
trust-ok7 L1 X( }) k8 i2 @6 `
trade-record-one-len;;trade-record-one的长度
e/ ]. p! Z9 ~# k2 W]
) I# l7 s& Y, y1 r# y
7 @9 p$ U1 _, N/ Y1 A;;setup procedure4 ^$ x) j& x0 r5 a3 a3 p# r0 `/ k% D
, A! g. |+ p! ]% P( f% ?to setup% V L0 P6 v( G; H; c& L8 l
! r! [( y4 h6 h
ca/ { f8 v$ e% B7 ]2 ~
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initialize-settings. r( |; m1 T8 i4 G
7 U0 h9 c/ B j6 O
crt people [setup-turtles]
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reset-timer
" {% a# o8 ~( R* {: _% j% T% u# z* c
poll-class
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setup-plots- c; h% a9 i( I- {3 f3 d. T
3 X2 b% w3 r; y1 ^
do-plots# A) A: _0 {) ~
end
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to initialize-settings1 }: ^7 n* K9 E( x! \3 r0 d
9 ]1 f: n' l! f( O6 o
set global-reputation-list []3 z: `8 Q! ?( n3 Y! p
$ z7 Q" q% g5 R1 V1 v% fset credibility-list n-values people [0.5]5 F0 g% r: M" S7 j( b0 I% R
7 e- y. d* x+ ?, N7 t6 i5 F
set honest-service 0
& T) T/ {7 ~5 d3 W6 I7 A
, m6 P& h4 d" d+ p; B" Vset unhonest-service 0
; Z3 e& j' L8 D9 m8 l8 g; Q( `' k0 H
set oscillation 00 D) S/ O* ]+ X( G
1 d4 n2 V: e; j# l% u! |set rand-dynamic 02 m4 E% q( t4 P* s, A. V
end
1 w: ~0 k6 C- G1 C5 a7 ]4 T0 B( n3 x2 o: l) o0 n# O2 Y/ h* A9 G9 g
to setup-turtles
8 Y* N, `6 j6 ?' J; r8 Z) q# Qset shape "person"
! O" \9 i9 h# |8 Xsetxy random-xcor random-ycor
. |: I) b) g) S+ Dset trade-record-one []
2 C) ?5 [. \4 o* b R& A
2 j8 b+ d& I8 S' D1 O Tset trade-record-all n-values people [(list (? + 1) 0 0)]
9 p6 f `1 T( Q% ?- Y) z$ O6 ?' x8 E, }' N4 u
set trade-record-current [] @( b4 c( }% ~7 M5 P$ }
set credibility-receive []
& [6 m5 l9 K( O6 E% P# J9 Hset local-reputation 0.5" G4 D4 r( T+ L6 Z& H
set neighbor-total 0" H; D' L9 Y; Q" u% T& ?
set trade-times-total 0
: J5 A% l' c8 Jset trade-money-total 0$ e, C6 x# r! f* o0 k( O+ P: R
set customer nobody
L% \$ o, N5 S) \: P# U: hset credibility-all n-values people [creat-credibility]
6 U" c4 w" @' J1 h% b0 Aset credibility n-values people [-1]/ v: }9 W# h) B; y
get-color* V! t( i% e# \+ T
$ q. U. [2 i7 J) T& W: j! D
end6 t9 `7 Q' e& o0 [
" [3 A1 r. h: O. u q3 T" {1 n; w
to-report creat-credibility
7 O6 O9 k5 i9 w4 ~- X! k% C {report n-values people [0.5]' P& I8 P5 W3 W! S& \
end
# A, w2 k- k$ R2 a$ {6 G9 v3 l2 z! d' n3 ~ [/ z2 u f/ G( V8 e8 Y K: j
to setup-plots3 s7 o; t' F4 r9 ?6 f' |, a6 Y
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set xmax 30/ B2 P, j3 u1 I) k
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set ymax 1.0( t! C- G, N1 N& c$ L
! f$ k/ S) o& j( ]% Eclear-all-plots
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setup-plot1
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setup-plot2
- p( f0 r' b( }! h/ s
1 b* i- e7 H; ?; Q, K$ csetup-plot32 G& T3 f9 w! n5 u3 r& j
end
R- J2 b( O, x0 A5 F/ P" E
% {3 `3 G/ Y9 R- }& I0 I8 y;;run time procedures! o+ q, ?, k' Q) m' G4 T
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to go% u7 @" [3 I$ b0 O
% z6 `3 c! ]( T. k( ?ask turtles [do-business], x5 Z# E$ s/ A! C6 x
end) U6 ?9 z3 a$ R2 @ ?
4 s4 O: I# D$ f" lto do-business
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3 N( y) a4 P3 I* b4 ]! @& A
) C1 H, h) @& T; _# J$ z6 jrt random 360* g$ c. B$ }8 [/ W
2 ~9 N- E* i3 ]/ \ t
fd 1# V4 z, s$ T' s! m, N" y
& Y2 U3 @* j' }2 v' N8 |6 y
ifelse(other turtles-here != nobody)[, P$ V8 l' \, R; w& b
4 [. I0 r# R( s" }" C/ {set customer one-of other turtles-here- j' O/ ^- X( X* ]3 ?
- [0 e0 c- S+ S
;; set [customer] of customer myself
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1 J8 k* L8 G# H! b% Mset [trade-record-one] of self item (([who] of customer) - 1)
8 ~! J2 J, a/ M[trade-record-all]of self
- A* F8 r# T9 S;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
" k; U B3 ^/ ]1 O. J- x; h/ z) |3 M1 H0 Q$ x9 q' Q9 I
set [trade-record-one] of customer item (([who] of self) - 1)3 c9 q( \% ~& Y6 K! Z1 Q$ X
[trade-record-all]of customer6 p% G& l) g4 F# s4 z
% p- d4 B) E/ C% f9 _; ?
set [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit)) t7 y- |. i3 ~8 n |
5 a0 D) c0 s" O$ R8 q$ oask self [do-trust]
2 F" [4 c3 Q4 O8 _+ M: }$ o;;先求i对j的信任度, I( U# g* A4 Q4 {2 {6 m' z
- C, ?/ N% u l- S+ W8 Tif ([trust-ok] of self)
7 M# s7 o6 E4 U8 p;;根据i对j的信任度来决定是否与j进行交易[
% ?9 f) t f3 L; d& mask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
# |7 Q' B: {4 s" k/ E$ J) d8 ~7 Z* F6 ?
[
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do-trade; a* N* B) c! S; N1 Z
; b! M* e4 f9 q$ Hupdate-credibility-ijl- y+ ^" y+ I4 _+ y6 Y% q
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update-credibility-list
) d# l8 r/ d% I7 a T5 ~
; B- x+ A! n9 u1 K+ o# C3 ^* \
: A1 ]' _, }. |: p2 n2 jupdate-global-reputation-list
) ?, f; c& t' t& B& s
1 H' ^/ o5 Y, F) X lpoll-class
7 h' i1 X6 U6 Y0 Z$ N- c. I5 H$ k% |# W+ Y2 T: V' H' x( K
get-color, V( q( s' B D/ n8 q
3 |- s: w- x# S# H a- S. t9 \1 U
]]
3 U6 x, U. t' I, P+ C9 J! f+ @, \, e( t
;;如果所得的信任度满足条件,则进行交易0 _* `$ T; ], s1 b a) m) T* {
2 K. Y- o8 O5 w+ w. j' H5 G
[
. i, I6 W' }6 h) e& G; L5 I% |6 |0 x
rt random 360 R: ]( a6 R% h1 I( l1 B8 d& J
" k# Z( H: ]* Y5 |& ~
fd 10 D7 W; u) `7 n8 k& Y9 G: n* D
( |5 Q/ i/ h L. O9 q8 H. l
]3 |1 F' R/ T) p
, {1 V: B+ x* \3 g' O
end+ |* M" \+ J b$ c3 s, A/ o" d6 B5 x
' F2 q* F* x. Z5 K F: \to do-trust 9 @9 \. i8 r) @, x+ f& ? J) N
set trust-ok False! S) r3 `0 y- L6 z8 s
0 v# O; U0 \; o+ d& t
~* S$ |5 O% n# T: h0 n
let max-trade-times 0
2 G5 l3 w$ j; |- v5 I0 O4 M: }foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]] y0 q9 `. j; q$ p
let max-trade-money 0
, [& D0 c% Z% x+ X/ G4 iforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
" l* v }+ J9 N, h7 alet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))8 q6 b; P3 A7 U+ K% [
V: h+ [- O7 Z6 q
: H8 B! Z& r# J. _get-global-proportion: ^+ S/ c3 B3 e5 e; a
let trust-value
3 [6 q, Z% L) b6 Nlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
9 ` z& b' a$ k. B, v; f/ jif(trust-value > trade-trust-value)- H3 O8 @- r! Y( a, {% Z
[set trust-ok true] T9 ~8 ?' d$ e, \4 j2 L
end
d. U% T9 s4 S' y- k1 R" |" {
$ {( @$ D! ?! f, D' oto get-global-proportion
. s- {# h9 g1 U6 n. N" u" fifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3); Y. ]1 \! W0 r3 p9 a6 w
[set global-proportion 0]
8 m. _! m7 G; s6 M) v4 o[let i 0
; v# K* U$ z& _, c# [! Mlet sum-money 0* C; ?# u* n. o
while[ i < people]
6 h {$ {7 K& G* D' s[
: H" s. v3 @/ e4 ?% ?. d! t/ Fif( length (item i
' y, u+ R; R5 |2 f[trade-record-all] of customer) > 3 ), l! _: j1 Q. f8 M) B7 j
[. A: s+ w# V1 x( D
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
5 e; _3 ~. l9 m" H# e0 Q- c]
3 v$ R2 j/ p: w7 Y: V$ }+ ?]
6 ?5 n M2 X) Xlet j 0' T4 ~8 Z. [9 D6 c* @- u# P
let note 0
. |" U9 O$ I* v4 J; O5 Uwhile[ j < people], G" i1 w0 Y" i* C8 \* P& f7 a
[
1 K. _; c2 J! W/ c3 V4 E* F: Uif( length (item i
5 W) j, t5 p) D& T. i6 _2 s% C! @- U[trade-record-all] of customer) > 3 )- ? V3 t% H* ~$ w4 d6 y
[& {7 g/ t2 q* j- {
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
. {0 v# t# U% J5 c9 @: X[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]7 q1 I9 t+ b0 f2 x
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
0 N3 V% l: ^( p! V0 n6 \6 P# `0 k1 I]
U/ P. Z+ _, w# q# \' U]! t- K7 W0 w" y! y9 h7 Y i
set global-proportion note: m9 ?0 X& k2 a5 M
]
% N: r9 x( x. g/ N Tend
j" r* G& A- W+ r( q7 d6 F' K" r1 C4 }7 ?
to do-trade8 ] p5 C* F0 H; \& Q3 k
;;这个过程实际上是给双方作出评价的过程1 T' M& i7 {& P8 I+ I0 m: S
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价' w, b6 h1 w0 O& c& ^0 G
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价0 p' J* ]" j7 A7 v
set trade-record-current lput(timer) trade-record-current9 E7 k9 X1 v; {2 @( l* p3 K
;;评价时间- P' N$ S) v( I# ]
ask myself [
" B/ @! Q6 p* k3 P0 s" `+ x( fupdate-local-reputation
* D( }9 [% r# t6 F1 B( `3 P4 Uset trade-record-current lput([local-reputation] of myself) trade-record-current& }# b# R8 R+ t, o2 B
]
( a& m) A- n, U/ G7 Kset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself q; O* U; C; Y7 ?& Y) x
;;将此次交易的记录加入到trade-record-one中
' B$ E* J) s/ X H4 l+ d3 A Hset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)! [ D8 K6 m7 e$ z) ^" W- J
let note (item 2 trade-record-current )' ` c( u9 w. D+ e# m
set trade-record-current) }! ]/ o8 i7 m/ `& f, @4 W
(replace-item 2 trade-record-current (item 3 trade-record-current))
+ F) f! C {( D w# l. x+ Vset trade-record-current
4 E9 Z! _& Q4 s& s5 Q0 h* l(replace-item 3 trade-record-current note)4 O" q; R; p9 i( ?/ p6 @' ?( \
) m% r/ w, u9 n( e% |
: I. N/ R R: T, gask customer [8 o. e; \( P1 n' t- k6 b* S
update-local-reputation
: S P/ H1 A7 d) H. d1 Pset trade-record-current L; G* {2 _/ N$ ?2 {3 _+ @& D
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) - q" k* \ \8 A) @3 s& G& w
]8 h, E6 O; f% q5 t
6 o" y' I3 c. |9 a& M4 r9 \- q4 R; `8 o/ W6 u3 x% f
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer) ~( N- Z7 [7 T) {4 X2 ~( N+ m: `
+ n# G* _9 ~4 I3 |: ]
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
3 X9 X& r$ A4 f;;将此次交易的记录加入到customer的trade-record-all中8 V3 e7 ]5 f: x4 k& V% {8 p
end0 f# ]% _# z8 G% b( K( R- t
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to update-local-reputation
2 c1 B: F6 N+ Q$ rset [trade-record-one-len] of myself length [trade-record-one] of myself+ Q- V6 I4 a, k, Z4 K
0 _6 f$ y0 F, g! `8 v$ }5 c% M2 _, ]& [# d! @6 M% c& I( g
;;if [trade-record-one-len] of myself > 3
6 L: |3 Q N4 Eupdate-neighbor-total
* w0 p- }7 y8 E; {+ m' ~, Q;;更新邻居节点的数目,在此进行
* q( u$ i% B+ I6 H' `5 dlet i 3* m/ `0 x3 P* d
let sum-time 0
, n, F5 g2 p1 \4 F* K2 Jwhile[i < [trade-record-one-len] of myself]
1 @- E# G. ]% l: N[- c# I# Z C3 v! v- ]0 @$ Y& P$ E
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )# F3 U0 H; O3 H* B; [+ X
set i
2 d, y! }6 ~& x {, a. Y2 H( i + 1)5 Y5 o# w' j( H5 v$ v% k
]2 W" J& @- C$ ]
let j 3& l8 g! j" C. r5 {' {5 w
let sum-money 0
4 E" L* L+ U0 d6 Swhile[j < [trade-record-one-len] of myself]+ O% b! v4 f& M/ Z
[# }/ ]7 v7 F; j
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)
) _9 R9 ` F* w% T6 Q8 f6 O% Y4 Yset j
- y1 x' C- h5 T* O! X" N- T( j + 1)
5 o7 Z2 P& a- x: l# p! y8 S; _]$ C* P1 T& q! r0 j* Q: \4 E
let k 3( v8 q$ Y3 Y1 F' F4 [" w
let power 0
' V: t5 M' [4 xlet local 0
# E% e7 P6 N5 _8 Dwhile [k <[trade-record-one-len] of myself]
! o8 q# [0 C2 P" B3 P[
1 f" S/ z# T( m& D6 _% qset 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) + P7 d, B9 j/ b1 i" G8 r
set k (k + 1)0 _, Y L1 a) x/ g( Y* t' O8 ]
]
5 ~' W# {& S, Q8 d+ {1 s6 {set [local-reputation] of myself (local)
& K) ^+ g C( T% k* B0 l( W% L0 yend
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to update-neighbor-total- c% X( r! ]$ y. q7 P; p
1 F# \5 r- U! q3 M' J% [# {4 q
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
+ N% V6 V2 U3 Q1 g
5 w9 W' ^3 E3 x0 O/ N) K
3 `, p5 w5 v. N) g7 Mend. o2 i7 j1 P8 i) v2 I( R
& L8 e; a: g. B$ I& F) A$ b
to update-credibility-ijl : F4 \" O6 j2 L
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;;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。
! }$ p+ Z; v& r( P; `: m0 a [let l 0
# ^ I2 z+ [5 h5 T! |7 Cwhile[ l < people ]
- }" H3 I( y- {5 H& ^8 H+ Q5 i- \. a;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
8 x+ i& i, d' F6 j+ p, E0 Cif (trade-record-one-j-l-len > 3), f2 s7 B' v% U$ [
[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+ P" C, Z B, w. z6 m
let i 3
9 j9 {. t) Q! e" ]* d elet sum-time 0
" x9 H: j4 T8 D0 W8 M3 l+ {while[i < trade-record-one-len]- h! c* G( u8 V6 T6 ]* ?0 o
[
0 r+ i' f! n7 f, fset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )% x: w8 M. o8 a. L1 H" H. v/ m5 ~$ w- j
set i
6 w9 B( a8 y# M3 {! I( i + 1)- q" H m, U! ~ r" [3 F
]7 {0 ~3 T0 t9 T4 B2 j, b: R* X+ a6 B
let credibility-i-j-l 0
2 p% a2 t i8 d" A;;i评价(j对jl的评价)
4 l7 Z( Q# ^1 f5 F& }let j 3
9 x* W" K, G# ]5 Olet k 4
5 G) d; [* P4 `while[j < trade-record-one-len]
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6 R8 q" f; d0 rwhile [((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# b/ B. o( p( q- X7 N$ `. q$ f0 O
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)
, a, Q* X" P$ y/ |( f( dset j( q+ R8 ~( I' f7 \3 Z$ c# v$ B
( j + 1)- M* W2 e* A& _$ c- m% F$ O! Y- S* b
]. H) I! s6 L- s4 m9 M5 S
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 ))6 N6 w: {. X* ?, I6 Y8 d7 }; Z
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
+ s7 ], |5 r# j7 ~;;及时更新i对l的评价质量的评价
3 s' C/ D) k0 b2 w9 ~/ H$ o0 Fset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
, _9 H" j3 x7 O7 Dset l (l + 1)9 v- r A: a& H a5 @
]
/ _ b# I/ p- R, e7 cend4 [7 l- b h7 U$ h
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to update-credibility-list
( R3 o; S! [, Rlet i 06 Y% G# t, k) ~" p& a
while[i < people]1 j! J+ v& A& U
[
: X3 T2 v* M+ Klet j 08 c- \7 C J* O! O
let note 0/ M( b2 ?& A5 P) m1 d. p- p
let k 0
- V2 D f J ^4 N3 P;;计作出过评价的邻居节点的数目
3 ^$ N- P% B6 |: Twhile[j < people]0 R ~4 H6 I; Q% ]9 v
[4 G% j s1 K% C; I% g
if (item j( [credibility] of turtle (i + 1)) != -1)
, V. T; z( G- X) t' {4 r' h;;判断是否给本turtle的评价质量做出过评价的节点, p+ [1 P- E" C* e @
[set note (note + item j ([credibility]of turtle (i + 1)))
1 n9 [) k2 r1 i0 a3 P;;*(exp (-(people - 2)))/(people - 2))]
! ^ ?6 N: h; n% _8 R" }set k (k + 1)
+ g ]% [: e7 a]
* Q# ~% t( x i& ]5 a; bset j (j + 1)9 X- Q' G) g1 ]2 i" K
]! z& s- w, m6 z+ i
set note (note *(exp (- (1 / k)))/ k)
4 Y6 X& e" c' e" Y0 U/ s. V! \set credibility-list (replace-item i credibility-list note)
]% a2 [' e4 e6 Z, t% cset i (i + 1)$ t7 I1 q- _4 c- ~
]
' y6 g" I: L) cend! `" S, j( I5 P3 X0 W! ]
- a% y' C* v2 \2 F8 L0 c3 f
to update-global-reputation-list
- W) c% Z: b8 g" E+ vlet j 0
. h, x- a6 |6 ^( u1 s9 [6 {& Dwhile[j < people]
2 U. m) O; R$ r% |1 K; \/ ^$ v[) ]0 K6 X' v# p. I* b3 [" j+ z
let new 0! {) y. ^! d. e
;;暂存新的一个全局声誉
6 O( r4 t6 e, s0 B% X1 rlet i 0
+ @3 C9 L3 C. m4 ylet sum-money 0 U; l; E, i/ c W' P! F9 e( G. g* s
let credibility-money 0" w2 c a* I" O9 x" e7 ]1 z3 C @
while [i < people]' K2 ~8 B; k2 S9 e/ g
[* L& v2 Y& b* y+ l: N/ y" q
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
2 C9 R" g8 v5 L# d- C0 fset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
4 k6 v0 o. E; u- d) D: hset i (i + 1)
* ]+ ?* O$ P6 L4 V _) }+ d( S! Y]9 O9 |3 F2 o+ ` ?( A1 m
let k 0
% j( o5 J+ j/ J; H: [( Y' @let new1 03 u$ `, k: ?& \* N# W( ~0 t& X
while [k < people]
/ a7 K% J6 t0 | d: d' Q[5 j* K9 u( Q: j6 I
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)$ u! A& i/ L5 M" n7 y; T+ m
set k (k + 1)9 ]' c7 n5 Z0 v" N3 ?
]
" Q) I0 m J. B* O' A' L% a Sset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
' ~2 a# P7 w& d ^# [! t- yset global-reputation-list (replace-item j global-reputation-list new)
" J& \0 }9 h% l! A3 L) [' }set j (j + 1)4 s$ |: Z) c; c7 e+ t8 ?
]
5 N7 F6 I$ }7 w: g# m* U& V/ _. Uend
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. }; p! X# p; ?, R- y
to get-color
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set color blue
: W; h+ H- M; O. _/ m' o6 bend! o; c; @, f) G4 C
4 o1 Z! R3 q) z# G7 I; e5 ]to poll-class
' p9 |3 {- E; Q) vend
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- v4 f- D/ C+ v9 Fto setup-plot17 F7 ^) ]- d3 c: ~( K4 t
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set-current-plot "Trends-of-Local-reputation"
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1 ~8 v5 m& u* x) Lset-plot-x-range 0 xmax. ]) H; P3 u/ I- R" N. B; X+ n
. z5 s g% r& Gset-plot-y-range 0.0 ymax
5 R+ I! d% J) T1 V6 Xend
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to setup-plot2
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set-current-plot "Trends-of-global-reputation"
8 v# [' q* X" G; t- N9 n( J/ a d7 z. f: [" P# T5 F" n- }
set-plot-x-range 0 xmax
( I6 E7 Z/ I* i* Q5 W5 }
4 d) Z8 y! @/ s! X0 [2 pset-plot-y-range 0.0 ymax
& ?& |+ q W7 h* _ j' g7 a2 Nend
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" ]6 W% `0 u) I K6 v: F% ~to setup-plot3
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U2 e5 P. ?0 G& ?( n$ v4 o: yset-current-plot "Trends-of-credibility"
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set-plot-x-range 0 xmax! h8 y& D! U/ s4 S+ r @
) U4 @* V% W; o7 n W; fset-plot-y-range 0.0 ymax
) @1 S4 y& y; qend
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, ^0 z- I+ Q$ {7 p0 w( D6 Y" sto do-plots
% e& o2 `! r" b# _set-current-plot "Trends-of-Local-reputation"
$ B8 \* W% ~" T$ Qset-current-plot-pen "Honest service"2 z' m* _) Y+ j0 O, A* p9 i
end
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4 w i2 W5 J( Y6 C# ]4 g; R5 p[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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