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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
" |0 e( w4 c8 {- y4 M }globals[
: Q$ ^+ k e; K' D! D( R4 vxmax
( n ?4 W0 C- A9 Oymax C4 K5 B' @/ B4 q& n# T4 s2 ^
global-reputation-list. X1 X0 |4 S6 J' v8 x; \
* d! v( p* } k. n, v, p( S/ l0 o0 m
;;每一个turtle的全局声誉都存在此LIST中
9 }0 i! |5 j3 y6 j" j( F9 }1 N4 t4 Ycredibility-list
& |7 V% v# p* [3 [;;每一个turtle的评价可信度
; v6 W4 k( `+ e$ Ghonest-service
& [, a: x8 H: S- g9 |* A. qunhonest-service
$ z' k# m. `, e k8 F5 ioscillation4 U" n4 I& [0 |$ x: C+ F5 y |
rand-dynamic! U; I$ p/ o2 U- i/ R# X
]7 [: W3 _( P% X' R+ i2 y& n
$ r T1 p* v3 k4 K' Q
turtles-own[
$ ?. x2 K! h ~- Z3 \" R/ g3 itrade-record-all
9 j% j V% E+ O;;a list of lists,由trade-record-one组成
0 D4 A' S* w/ L0 A- m# V6 wtrade-record-one9 Y. I( v( J: a1 H3 `
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
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;;[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]], Z2 ~; v! N5 B9 ]
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]6 G0 i& T0 J8 }; X; I
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$ J1 [9 s. f, J# ]7 @) K
neighbor-total
# E8 h: t. p0 L& b8 `2 A;;记录该turtle的邻居节点的数目& k- p. j! q4 X* E) X7 ?8 Q) ]
trade-time
0 u ^+ p9 J1 s- @& Q4 s( v0 A$ Q: F;;当前发生交易的turtle的交易时间" B1 }4 ^. y" |6 D4 H3 v
appraise-give
; L2 F$ M* ~) G0 B;;当前发生交易时给出的评价2 F2 Q# _ c. u
appraise-receive2 y' \6 z: j& R5 F
;;当前发生交易时收到的评价
3 r% d6 L2 G( Gappraise-time/ I, Q M- `4 q
;;当前发生交易时的评价时间
, u; ?! g; O0 P& I$ X: Flocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
( p1 [% N! g' s% T/ }# W/ ftrade-times-total
6 u+ Y- C1 I$ r* f8 P! z$ ]9 w;;与当前turtle的交易总次数
( i% E# g8 q3 Q6 n X+ F, n; `trade-money-total
c! T: |6 @1 f3 S, Z;;与当前turtle的交易总金额
7 f- Z: n% W5 v# ]9 h( mlocal-reputation5 `4 m8 N* H! q# l
global-reputation
8 l9 h; V1 `. W1 gcredibility0 ~- X; k3 Q; ]6 m& h) [2 G
;;评价可信度,每次交易后都需要更新$ U+ c2 t8 M2 ?$ t6 x
credibility-all
4 h; Y F, R( _3 U& E# K: V;;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
8 A3 O& n# ^0 u1 U9 x6 b) N; k2 l" _ F9 `9 x0 D
;;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- n6 V1 J; {( Vcredibility-one
2 A# \7 d% p% b( w, 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
+ M, z0 t* ?1 Mglobal-proportion
" t. X/ T+ ]2 o+ i; Jcustomer# @! Z& {- l/ F! M' M6 \2 ~, s6 ?& b
customer-no. ^' V+ l3 [2 q) k0 E
trust-ok
* E. L% x/ w" `trade-record-one-len;;trade-record-one的长度
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, u9 p9 i9 @2 X4 i% t
;;setup procedure
/ C5 Z3 D* h( {+ S% |+ X
+ i. t$ I! {% `8 }2 gto setup
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ca
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* Y( _2 ^1 ]* [8 c0 w' v5 c, |initialize-settings3 i4 p2 m5 I, k; H2 w* u% ^
. F& P* ^/ M3 B3 j9 q$ f
crt people [setup-turtles]
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. O5 Y$ ]* U" f, b* }reset-timer- F$ ?3 E- `6 q: D. s) y l- @3 p
+ n y* c8 v9 J- \) I* H9 J
poll-class
6 M" y3 W' c: d5 g: }. ]7 B4 K i' \# q3 F; s, Z' j
setup-plots
+ h9 U. S- m& S, W" a
+ x; f+ }# P, p3 f' p$ g! n; {do-plots
2 u0 z$ s( |0 I% B3 G8 Yend f+ {4 E. }# d9 x- Y1 Z7 w& [
& l+ i1 e5 {: x; s
to initialize-settings
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4 x! s8 q# B8 |# J& b, Kset global-reputation-list []
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set credibility-list n-values people [0.5]/ ?) [2 ^) o' X1 K$ ^; x
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set honest-service 0/ P2 p* ]' b9 x7 l4 I: I7 L& v
Y& @1 L/ a1 o7 }
set unhonest-service 0
( b$ i; c5 E) c! O: D; c
* v S: `8 Y: k) w1 Qset oscillation 0
# J8 B) D" ~2 ^) x b
8 y7 T" c" [$ _set rand-dynamic 0, ?; {+ ^2 S1 R' t$ ^& K* n/ a- v
end
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to setup-turtles 0 `) S) z2 K6 j) I U2 O
set shape "person"
' S0 t6 }) H: @$ I. o: e; N( Y1 wsetxy random-xcor random-ycor
5 o1 o' F4 _6 k* G5 d0 {set trade-record-one []% K, A4 K5 J* \- h% n, B; n
# e3 N6 e3 X: A" }set trade-record-all n-values people [(list (? + 1) 0 0)] 0 S V4 p; L; ~$ n) _- T
: e$ n7 U6 f1 ^) e& `; B2 S3 {
set trade-record-current []- B2 o1 C, O5 b1 }; I! k, N
set credibility-receive []
2 U: Z6 M3 y3 H% y! ^/ iset local-reputation 0.5
. t2 C, a/ `" O' Eset neighbor-total 0
X. A/ {! n! }7 o0 W1 y2 \6 q+ Jset trade-times-total 05 y1 Y! N3 M1 g8 Z5 N: k7 }. y
set trade-money-total 0
* B. T+ V& O) U0 D, mset customer nobody
* ~* X* K7 X3 cset credibility-all n-values people [creat-credibility]
- I* V) L1 ?6 L2 T1 h! ~" Yset credibility n-values people [-1]* ?3 V% q( d# j. d3 A3 f
get-color
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; l" N) `) h$ @5 T, E6 n8 \3 U" oend
2 ^( }- ]! [1 T2 S4 i+ x
" m1 T1 \- ~5 F1 z7 z; Hto-report creat-credibility
& t) u8 x* H7 h+ S3 C% Wreport n-values people [0.5]4 @: n0 w" h8 W$ R" i! L
end. g$ \5 P6 `( _: w1 S" r' Z# ]0 [
: |- j7 K2 D) I. z1 eto setup-plots
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set xmax 30
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1 J' O0 m1 p2 y6 Iset ymax 1.0
0 _9 q% g9 b/ G6 }4 p! w
' |+ {4 t3 w: K4 W4 pclear-all-plots, n% F' q& w2 ]
: k" }6 S5 h1 j3 l9 z
setup-plot1; o: {* m# i' j; x/ b
5 J8 ~* G) r8 w5 ^$ L7 H& r# J! `; s, Lsetup-plot2
6 }( F+ d2 H& k l4 F: s5 n1 j5 w
& T* J9 l$ n6 N8 x' Osetup-plot3
+ g! N l( N' M! e. y% i' M% Fend/ w3 ?. d! ^$ W7 C6 O0 Q
. F! m6 E) N' ~6 ^
;;run time procedures
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to go
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b) b) q2 p& L& g, O7 g$ Dask turtles [do-business]
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( y# h9 j+ J, e2 }
to do-business
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7 } U: l* c* Q; R9 f
rt random 360
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fd 1
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ifelse(other turtles-here != nobody)[8 C4 ? H: C- D2 S# j3 e5 O& h( \# _
& v+ F+ [% o! ~
set customer one-of other turtles-here
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;; set [customer] of customer myself
% ], n- G4 d, ]; {2 [) x
, z7 ]" ?. i& r3 Vset [trade-record-one] of self item (([who] of customer) - 1)
t) S, d' o+ P/ q) C: W% n- k[trade-record-all]of self
; S9 _1 v" K! K0 n;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self# s% b, K% g x4 f! w& Q7 ?
1 s/ K" {" }, T1 K; w
set [trade-record-one] of customer item (([who] of self) - 1)! u( ~6 R0 T$ {* F I) a1 ?
[trade-record-all]of customer- | W7 e. \0 D
9 `' U! n3 z Y5 Z0 x7 R! T
set [trade-record-one-len] of self length [trade-record-one] of self! u+ B2 L! j! K! o% j5 s
7 r, S0 U2 O( M% Zset trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
/ g! j) \: } c+ \;;先求i对j的信任度
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" g. w6 N$ [! i$ a5 ?if ([trust-ok] of self)
- @8 Q- X- |, |' T( `/ e. v9 Y;;根据i对j的信任度来决定是否与j进行交易[6 W/ D- E# H/ j5 ~
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself9 v$ f) v& q o! x* B2 b5 F2 k
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[
6 ~1 n# Z" Q6 q; ]
# c! F; y: ]; q* e3 L/ Kdo-trade
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update-credibility-ijl5 _: [% h8 F( c
# F+ n/ R- C( v/ a: a% Q+ b$ y4 pupdate-credibility-list
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update-global-reputation-list
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* N1 G8 X. _6 M" a5 R; f6 P) Ppoll-class
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get-color& f9 m3 g3 O( P4 y4 f/ K
4 `7 {/ D. p, r- o]]8 R# X9 B' T: Y* k: Q
1 T9 G) G6 C: r7 w$ ?;;如果所得的信任度满足条件,则进行交易
; s% S& Y7 S1 X* ]/ _
9 b/ a8 y+ M1 e[! g* Q1 k4 R: |" `7 \- ^- ^
4 G0 [2 m3 g7 I0 l8 h
rt random 360
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% G% F& }3 P: Q/ ^/ Z# Vfd 1. E# f- }7 E' T4 |) {7 b
7 B" m5 H4 K7 g2 D" [' r7 c
]
0 g- D1 p( { {3 ?- e# X% M) }7 }) z
end
* u2 f: B. I1 m
& O& a6 Q0 M* ~* A: p' D I! V0 dto do-trust
) `4 Q" q1 H5 p, n, aset trust-ok False: u9 Y7 n, x# l
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let max-trade-times 0
2 C# d' R8 X O1 s/ [. `; s9 ?3 qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]: d. |; p- G% M% ?/ F+ O5 M( N
let max-trade-money 0! U! Z" b: U' ]. O w: M
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
6 X( W# ?; i& j; Clet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
: u0 s7 }- U F, Q W1 j4 K2 R" y' d/ g# m/ @% i) a
, a" ^; S* P5 i: p5 @: G$ p, A/ Tget-global-proportion
1 X7 i3 q1 n( a9 ]. _let trust-value# t- B; u# _& W1 t- ?6 O
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)/ I S6 q% N. `0 c: z% c7 |; M
if(trust-value > trade-trust-value)
3 a |9 E- Q- s$ u( v# G/ F[set trust-ok true]
0 E- c. e, Y6 k$ w+ P+ uend
' B2 a5 C }2 X/ N6 z
2 m- D3 q, Y# oto get-global-proportion k2 {9 e7 k [7 U x: o
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)- C3 p; T. x H: E3 [! I
[set global-proportion 0]
+ Z& h2 u4 C, N[let i 0
7 ^9 G4 N+ B9 C! slet sum-money 0
5 u6 k- W. T' E) u5 D1 I) ~while[ i < people], j1 l! Z8 M: t9 q: |: M6 _4 Y8 S
[ ?: |2 b3 l# t! k$ S7 y( o
if( length (item i
. }3 Z7 W. R, U+ k[trade-record-all] of customer) > 3 )
; Y; S2 M. k7 q# y! K* t/ Y* o[
* t, K% n4 T2 t2 Mset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
% D0 `" l2 Z; x4 n' |]) W% f* R) R9 m k
]" b9 R1 u3 m( }: s' T
let j 0
! g# z$ ]/ F& }let note 01 Z( z k# f# w" g7 R0 x( t- x, w
while[ j < people]
# x- \3 Q0 l8 _' b* c[; ~4 B" o" i, C5 N; c
if( length (item i* T6 {1 I8 \+ Z
[trade-record-all] of customer) > 3 )' }2 r/ F) Y- T! e$ j
[& g& S( D. u. ^
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
& x7 o0 H% e$ |1 [9 m[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& v3 {: p0 `) P3 x
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
7 @" B8 g9 i7 Q2 y0 j q& I]
$ b/ ~3 i7 \5 f& N2 w3 q3 j]
4 ^- p, ~/ t6 j8 H: f! nset global-proportion note
; {8 b$ N% Q. n. b: `]1 e" ^' i X3 P( y7 m
end
! X$ m% L5 f( W0 `( Y: x# W) g5 d$ I b9 ~" p5 J
to do-trade
/ }3 A, L4 |) Y& `+ {: I: u;;这个过程实际上是给双方作出评价的过程8 o% N! k9 ^7 p" [( E- h
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价" } t1 g$ p6 Z: }; t/ ?. p/ F, w
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价7 B# T3 a& E$ p
set trade-record-current lput(timer) trade-record-current
% o3 }/ \0 \9 _- a# q6 Y/ |# w;;评价时间
; A2 `4 q$ Y2 t$ j Qask myself [
6 w0 f# ^! v# q5 e- Rupdate-local-reputation$ A- q7 E. y7 Q6 D
set trade-record-current lput([local-reputation] of myself) trade-record-current
5 m( S5 L, b3 l& H3 k. _2 ~]7 x1 J7 y3 u' s2 x" Y
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself/ C5 X2 W1 Q4 T
;;将此次交易的记录加入到trade-record-one中 o# P/ V/ A# U' Q0 X& y
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
! Q0 e) e' a- U# G1 O9 Qlet note (item 2 trade-record-current )
; {1 ^( `! i1 t3 L8 ~( D. [% X2 Xset trade-record-current
* X' `4 d0 B# A) C8 }(replace-item 2 trade-record-current (item 3 trade-record-current))# N" d' x) e0 @, i
set trade-record-current
0 Q/ H1 d9 X* a: @6 m: |0 ?* z5 N(replace-item 3 trade-record-current note)" ]! V& K( n- @, G, U4 I9 k
$ [& c, U4 E( E
( t7 v" N7 I1 E6 `ask customer [0 \/ B( ]: X( V6 l
update-local-reputation4 F% R3 E2 q% d0 `+ l4 m s
set trade-record-current
5 `1 y9 i* O, m g! { f! ](replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ! t/ v6 F0 r8 p" H- N! `
]: p7 \* @) ~' n" i
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer% W4 V( h D' q9 y0 V2 e
+ M' }6 u: O/ O! [1 J& l, U: mset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))3 g& J1 k0 F* i/ ~) c5 ^, Y; |
;;将此次交易的记录加入到customer的trade-record-all中
/ R1 E8 o7 ?$ zend7 \, Q! R, H/ ^% C% w
. G e* @1 n4 r# z- @$ v' C. _! dto update-local-reputation
& G0 R3 _4 Q; G% Iset [trade-record-one-len] of myself length [trade-record-one] of myself) G" _( s4 T9 k+ r( n3 y+ R ?5 U
0 n7 m( l( K+ w2 _ V. [ d; T7 @
% Z$ H5 q& S3 F& C9 H3 C1 v
;;if [trade-record-one-len] of myself > 3
4 f+ {. D( ]# M3 p7 k/ I1 w2 Vupdate-neighbor-total% \! l2 z3 J( h8 X9 }
;;更新邻居节点的数目,在此进行
. }5 j6 G" b' [" b' Qlet i 3
6 l1 A$ x9 U; ~( e5 W( ~) clet sum-time 0
; }- ~8 ^0 K$ L- xwhile[i < [trade-record-one-len] of myself]" {0 n" j+ x3 C
[
0 ]) Q9 |- v- {: l$ F' h! {set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ), F+ n0 H7 l2 e1 [
set i
9 m9 F0 _0 k; ^6 T: D u( i + 1)
) I- L& J4 I. b8 B' G U]
3 S- S% X+ r0 o; J6 G6 g3 Z, g' m- qlet j 3
3 d' j" r/ s2 m4 S# O4 j$ mlet sum-money 0& b/ a4 r" I1 k7 t2 \
while[j < [trade-record-one-len] of myself]
$ D. ?3 d' u8 C, T" q- f& o6 Z2 t[
6 o' l x' O9 {/ D7 Qset 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 z2 D* |2 u, p5 I0 G# k
set j
% {; H( C8 n3 P# f) H, F( j + 1)% A4 Y3 W8 m- {( t7 P/ `+ v
]; i3 K) y3 h( A. s9 B
let k 3
; o4 p2 n6 G( y: q( C& g7 j, [% xlet power 0
% u4 s+ B' N* J8 x, d. Rlet local 0+ ~" r, h- c3 q: c
while [k <[trade-record-one-len] of myself]
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+ K% R; _% b/ \, {' v4 `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)
) M0 l# ^. c; a6 d) E. y1 sset k (k + 1)0 ^; y! L( V6 F0 L R6 S+ i9 Q0 g! I
]
7 v) h8 r+ B3 z, y+ E- r f3 Mset [local-reputation] of myself (local)2 b- @( z" v7 i: ^/ ]+ j- G
end: p9 u! v- Q, f4 _
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to update-neighbor-total @& |" `2 I( X+ ]* _
! K) G G% ?4 z8 b9 d3 X
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]. I5 ]0 R# W5 A7 D; d
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end2 c2 n+ o" s! B2 I- Q- e* Z0 Y
2 _/ z1 x" R! b, K0 z8 rto update-credibility-ijl 1 Q2 B* e. B) V, c" w8 x
9 r7 j, Y& \$ h6 i" U+ O/ l;;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。 N8 v8 d' n" p7 O; Y
let l 0
, [/ z* O* [+ gwhile[ l < people ]
6 k: H+ L5 w/ C;;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
9 M' e% `) t5 b7 V: a. l. M[
0 b0 \4 c6 \, d9 }8 zlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
2 Z' H) W: ]5 Gif (trade-record-one-j-l-len > 3)
! o7 u6 E* |2 T2 b* q" m) |' @3 e[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
3 _; Z: i/ S( x/ |let i 3
s* N5 U1 ~8 _6 Q4 Glet sum-time 08 G$ t4 l$ y( t! a
while[i < trade-record-one-len]
& x5 [5 j' j: [2 u- b( L- m[4 d s1 @, e, x' f
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )' X% h# a5 E4 D, ^$ x5 ?
set i
4 x1 U. T5 o/ Y( i + 1)
$ y3 t2 v( W4 F2 t& `]
+ l- y1 N% i: |- V1 C* P( xlet credibility-i-j-l 0. q3 j. G7 s4 Z. ], T& E
;;i评价(j对jl的评价)7 X4 S3 a- K% ]7 I/ |
let j 3! T* X4 q" m& [+ ~. |1 q, i/ ~1 J: G4 G
let k 4
9 B; f3 G8 W# X: v% N" Kwhile[j < trade-record-one-len]
" f3 d* {" K7 x1 G) U' F[6 C7 W/ n8 W+ H6 G( 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! W7 X0 I+ v1 G$ V/ _. c
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)
: F; i; r$ F1 W) v+ b7 fset j5 U0 P2 K) i/ V/ ]* ^
( j + 1)
; O1 ^9 T+ T. Z# T]
9 J0 V5 t" R3 b: q, i6 xset [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 U% ~/ k1 |; d7 G; p- w: x! q+ s, q- o
$ z) Y3 U& b$ @6 E. _
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)). s& f# {, s/ Z; C# X) h/ {
;;及时更新i对l的评价质量的评价
5 R; `7 h" U4 h( L# L) {set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]' z4 C e: I _: c
set l (l + 1)
3 p6 \) E4 ?/ v], A2 u! p% n9 b
end
4 q, p: H7 y( c5 n4 S3 z0 d j5 Y$ U. U- j
to update-credibility-list
- y* L# s/ L$ t5 F3 N( L* c& I* flet i 0$ s: g0 {$ h# Y `' B" t: P0 W' D
while[i < people]& r8 R }# |6 O+ F+ j, b0 A
[
4 E) C6 b5 Q$ ]& ylet j 02 S, e2 @# D, i4 r+ c& W
let note 05 w) L* R' B4 j6 E* U% x7 A8 ]
let k 0
% @, B2 P4 H5 i/ N( F" p;;计作出过评价的邻居节点的数目7 ]9 s* e- K' [ w/ ]& i7 z: B
while[j < people]
' ]. x5 p! |% I. B[& x- T( h* U7 h/ A
if (item j( [credibility] of turtle (i + 1)) != -1)0 ], {. X' Y, G; l% P
;;判断是否给本turtle的评价质量做出过评价的节点
1 L* o: d9 ~, l, z F* ?[set note (note + item j ([credibility]of turtle (i + 1)))
: D) v+ _, B# e;;*(exp (-(people - 2)))/(people - 2))]
' I. N! I: H4 A8 bset k (k + 1)' m3 q, b1 \# [- L0 d+ Q$ U% U& n
]
( z. {& |3 M( Z6 U) w" K" Iset j (j + 1)
. f5 z" d0 M4 P$ y]# U7 P7 Q' R) d7 X
set note (note *(exp (- (1 / k)))/ k)
! U3 e! Q' P5 q4 mset credibility-list (replace-item i credibility-list note)
3 q( Q. Z* ?5 W* ~! c/ p$ Bset i (i + 1)# [5 d7 j( w5 O3 \1 J
]0 B6 P" O9 T& ?. D3 t; N
end
$ t7 E9 _! [0 I% M* Z& ^. b* Y5 d: |7 X$ Z4 c2 M
to update-global-reputation-list- n& v5 X* r5 I2 z7 A0 k
let j 08 S, W8 R' V5 ?' ]0 \0 ^5 n8 W" p6 y
while[j < people]/ e* ^( p+ u' Y2 m! M6 a3 h' `
[ U4 ?3 x( _" l" C4 |" D5 a' ?
let new 0
8 f7 n2 F6 @. \: h. u;;暂存新的一个全局声誉0 M/ Z2 C- l9 m3 F% w. A4 F; ]
let i 0
1 G+ \# @% s& @0 f2 T6 v7 F, Hlet sum-money 0
1 I% g8 Z) ^# n% f7 e" U( wlet credibility-money 0, n0 H5 [: f* e6 z7 v
while [i < people]: N0 U5 n# Q/ `
[
: Q E, u3 e; F+ L% Z& y B$ Oset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
; t) E5 m" b2 q f/ S! Z3 U/ Rset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 r, W0 ]# b- X1 u( _
set i (i + 1)
2 R B# R- v' e( P]7 m/ v7 f! U( k' f2 x5 h: O
let k 0# F5 c9 Q0 {9 L/ ?9 J
let new1 0* M' d3 b f5 ]6 L
while [k < people]& H$ X/ H+ ] \3 k
[
8 R' x {0 l3 f2 m6 A, q( m$ |$ Hset 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) ~, Q6 q+ i0 q8 a1 |; M/ ?6 k7 t
set k (k + 1)
2 z+ h2 \# ]9 k4 ~]' R' _8 x2 N( h
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 3 p& ]; b) g" ~4 L* H6 l
set global-reputation-list (replace-item j global-reputation-list new)$ P0 e9 e4 u$ ~+ ^! g
set j (j + 1)$ a! c* O2 ~6 F9 u$ {
]; X+ A+ v, @/ c3 w6 Q. d
end: h3 w$ U; W0 r' @
( u* o( m+ {& L5 s% E& U0 r. o& ]2 G" {* i& e; X! D
* u. e8 g1 E) G' Lto get-color
8 p. M/ Y, K+ i) r6 w
* E- ^7 n. {$ ~ u- i2 @9 Y& Uset color blue
$ d/ s; c* K7 r& |end- c: K5 c+ T5 h
a& W! s* p6 c2 ?: f. F- ^: rto poll-class* Q5 N5 J3 k' \
end
, v3 u2 p3 ?3 Z, e. e4 y5 G1 S# X/ q' V# w
to setup-plot1
" e; t% g {9 m) j8 W
4 o& h, R* G/ Pset-current-plot "Trends-of-Local-reputation"1 L% _; Q/ R% @' N
% _- ~, u4 r3 L! t) {5 E" J; vset-plot-x-range 0 xmax
8 j: E* K* C' N0 O6 d! v! d
& u4 F5 s5 q, M( R0 ] u) ]/ m- gset-plot-y-range 0.0 ymax) D- F/ Q v+ D! d9 B5 [
end
! z' p J, D" p9 b+ i n& a8 B* t6 V; G. P3 P( F2 [: W! e
to setup-plot2
3 Y7 b, U1 }6 S" N5 X$ z3 _* b' M, X9 w: Q
set-current-plot "Trends-of-global-reputation"
0 F5 e& p% _, k+ o2 N
; m& K; V! ]( E7 w$ j' zset-plot-x-range 0 xmax
' m: Q/ g* J! ~) V6 c9 o6 d
: ^. d0 A- L& z* _* G8 hset-plot-y-range 0.0 ymax
; t- j- d" p( o- @% E' Send1 H& w0 b w& X$ |
. ?0 n% _- m& [& h; v0 _9 m1 S
to setup-plot3* P5 L) n! v6 F+ h
3 p6 r( U! F- {4 F/ k/ R) u+ Zset-current-plot "Trends-of-credibility"3 Q+ p/ Y# @& T; W) v6 }% h
7 l6 J5 E( M4 s5 Q: Uset-plot-x-range 0 xmax- P5 I9 P2 Z1 l b$ x
8 V+ h, U% M Q. \1 u
set-plot-y-range 0.0 ymax
( S5 h0 }0 z X3 G- j G" E( b" T) G% aend
_1 F, {& M' V( N2 z
( L* ^0 P; d# V+ v% ]to do-plots
, } j- s. E+ }2 t- v) {set-current-plot "Trends-of-Local-reputation"- y6 [9 Y. ]9 B! X# ]6 Q
set-current-plot-pen "Honest service"
d X' q) e: ^% L8 {end
3 f% z" P9 ^9 o: M9 {+ s4 U* S
; @; A4 x9 W3 b! {" x[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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