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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
# E1 A5 D. V. s/ w, M3 c1 Uglobals[
; B \ x' {5 M0 r' @xmax
; f [" h# `+ ? G1 D; \. i! a' w7 jymax j$ {! F& S. a6 `6 R0 ^5 e" i
global-reputation-list
7 b+ }" U& R5 h/ f' ^6 V# W4 N2 Z2 G, y( b3 |, G, R% }9 }6 ^
;;每一个turtle的全局声誉都存在此LIST中
( f' l5 h( l# ~# |; ecredibility-list
+ s6 ?) o) ~. e$ @2 [0 _;;每一个turtle的评价可信度
% T* `7 _! d) b3 F* }honest-service
" _* f9 U6 Q @; Z* punhonest-service5 x, s8 A4 W6 v
oscillation
: X9 ?& g1 F) C$ M5 rrand-dynamic5 J5 r/ A& B0 [ G8 }% Y
]3 A% b1 s0 M+ g8 F5 g
* s' _% B# b! J# Qturtles-own[
) [& o6 g7 E, c0 x7 K( htrade-record-all; _# e. u6 }8 l7 m1 p
;;a list of lists,由trade-record-one组成
3 j6 [2 e. }3 V- L5 m; }- a) Htrade-record-one
/ z. _3 ~" z. ^" l. W4 m9 i" G N;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
! b/ D* t$ W' s+ j6 r1 Q& A: }$ \$ z+ [5 f" S
;;[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]]. C% J% Z- M. F: t& t( s/ I
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]
7 `5 ?% {% H" n4 `% U* m$ \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# }2 t% h* }* M5 ?
neighbor-total
! Q K0 Y1 ?7 _- Z( S- N* O# [;;记录该turtle的邻居节点的数目# a. Z2 z+ f: I1 `* e7 i2 Z' N
trade-time9 g! i- Q" ~ n$ i( z& K
;;当前发生交易的turtle的交易时间
* Q. A8 e! C, U: J- H/ r" t F$ u G* `appraise-give" v( V" G3 \: K2 U( ?# U
;;当前发生交易时给出的评价
. n9 T; U+ A$ U8 @0 f' iappraise-receive
+ c- V) I8 [% ?;;当前发生交易时收到的评价+ U2 r* K) |$ I7 g2 H7 `5 Q+ s
appraise-time; D; H+ \( z w9 z7 y; a$ z7 d
;;当前发生交易时的评价时间
3 L9 J* r! p& e; t1 d! [ N4 M# x+ ulocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
* B4 e8 x% ^+ N' C+ z$ J! o8 ?( _ ftrade-times-total5 j3 ^5 r* @, W. O+ \5 n
;;与当前turtle的交易总次数
+ I6 |) z2 c6 H! H3 O8 Rtrade-money-total+ D7 D: r8 V( \/ Y5 e
;;与当前turtle的交易总金额
8 E5 c9 b: s3 w6 Elocal-reputation
k! r- c6 o8 P) F' Y, zglobal-reputation+ |" [% B# q5 G( D' N; o
credibility+ e9 T& v/ Q& ?' C
;;评价可信度,每次交易后都需要更新
5 I1 H U: B) ]. {credibility-all+ V i" J% g* U# r6 z 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
! b l; e2 Q8 K* @8 ]: D; F: P& j- y5 g' k: C0 U1 ^
;;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 E0 q' U R C
credibility-one, v0 S5 N$ L7 Q M7 c3 U) ]
;;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
- s6 D9 V' u+ G. X$ Q( hglobal-proportion
# `; a. l. C) \/ T5 ucustomer
/ r8 f; i' ~6 Lcustomer-no
/ b& l$ J0 x2 f# [trust-ok
4 R! j! Y# P3 F3 ~# {) \! j- ttrade-record-one-len;;trade-record-one的长度
L. T9 V* S; g" I% g]
8 y7 C- @+ b7 M' @
5 x; b8 L" ~0 A! V; R% ~& A6 |;;setup procedure/ Z' ]2 T8 x. j! V; [$ Y4 n; K
; _ F+ V7 V7 M" }to setup
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5 o) G3 Z! J" P6 r6 Rca( ~- d) C- P& f4 s% F% y
' q2 z/ D5 `, s1 R! i) ` u
initialize-settings
9 t" @: d! f, c) \% I
3 w% u, E- ~0 ?" H6 c3 c1 R9 P0 Vcrt people [setup-turtles]- d2 b) q7 H4 m- I
7 V! l- i! C. L: k+ Ureset-timer
% f/ g/ ^* v/ |9 {
+ Q$ j; H1 I0 C$ T- z; Tpoll-class7 i9 r# A7 x$ {6 c X# w: b2 c! i! N
* T: v6 A5 v+ y4 g% f: d- l
setup-plots/ a( U# R, U; g( S2 ~* N9 A3 t
/ Q' l3 p- {6 S1 ~% j1 j( ?" ]do-plots
( l5 l; J! {+ ?end1 g+ z1 c) V |5 ~* b
2 `) J8 s) C- |; G- `: F
to initialize-settings* }# X" V' I: }- U
+ v) T" I$ ^ o) p: w# V7 W" g: tset global-reputation-list []* o3 @! g* y1 S
. W. W6 P1 U" q& {9 oset credibility-list n-values people [0.5]& Q8 P0 m$ f& k3 x% y( |2 R; Z
8 f3 m! e7 d7 P7 i4 j9 O7 J6 z
set honest-service 0
}& _ ]) V* v* b% w3 j5 z% G4 U6 k& a- @
set unhonest-service 02 ?: h! L8 p' {4 T5 _- n0 A7 }0 m! k
0 g: a0 ?3 {: y( @8 d$ p3 G' d7 b
set oscillation 02 e9 s* j3 f( n( s+ e d, Q& E
6 }; h/ F8 [4 O, a( i$ @
set rand-dynamic 0% B& @7 T2 b" I3 E1 m
end+ a1 [2 N$ l+ Q8 m% ?5 ~
. S9 C+ e; K6 c; `
to setup-turtles
! i2 c ], r+ ?8 T+ V7 D& Q5 \set shape "person"
# }. ]6 a& Z: V0 Q- c5 Vsetxy random-xcor random-ycor6 I1 s& Z1 w1 Q* O* Z! t8 D0 U
set trade-record-one []
7 z) L; m5 Q% q9 J0 M) I
4 s: `# ?0 m X7 i4 L( ]& w+ Nset trade-record-all n-values people [(list (? + 1) 0 0)]
, L L0 @6 G5 X
# o5 j" f' l. P; a4 [, \& n Aset trade-record-current []8 z$ W5 p1 S. [0 x$ X* w
set credibility-receive []1 \: J x% b: R, y
set local-reputation 0.55 C |0 ]0 a3 j: Y5 Q+ _2 \
set neighbor-total 0$ l' L2 \$ m# ]5 a% L5 b) j! s
set trade-times-total 0
* ~! N. }$ B0 }# a" \& Y: {8 Dset trade-money-total 01 `7 }0 Z$ x6 q7 i" l
set customer nobody, x" S5 W) L& U' `. n( K
set credibility-all n-values people [creat-credibility]4 U- y; z6 m6 J0 g) M; h, L/ ~$ r
set credibility n-values people [-1]
9 F2 Q9 O1 K. Z0 F* Sget-color, R. }# F& R3 T; m0 v5 Z
9 }, y/ R! R* b: \/ l* w4 m* e
end
( v! Q4 U! M u8 Y/ D, q! L$ X1 {/ ~; N9 O) g3 H, D
to-report creat-credibility
# k) q- @# [, J5 Dreport n-values people [0.5]
x4 G" t! d( c4 ~! ?- M5 v6 Send
- M: G2 @. O. f: s' D% p; Y& q" T, s* l1 d+ R3 t- {* f4 M
to setup-plots
! p4 J- m$ z: |9 c+ e
2 [1 {& _' i' jset xmax 30
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set ymax 1.0
' ]6 u. w ]) `
3 C$ G) m+ S7 J% Pclear-all-plots; `8 `& U7 b) W+ u- ~- w" I+ ?/ P
% J4 P9 M5 B) P+ K
setup-plot1; H8 O, W8 D8 o8 o, f, _0 d" Y/ e
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setup-plot2
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setup-plot3
" c* H4 f; U8 S3 Tend
, X- b; E6 j$ `, m$ k3 F$ Q, S- T7 W. i W t3 |% Q, R0 u$ U
;;run time procedures9 W' ^' k1 {; @+ `- T
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to go
7 I& w8 G* C f1 @2 c8 [
; B$ {0 x) f8 w, t- V9 yask turtles [do-business]7 o4 M0 _& b* U' G, H9 T' ]
end
! ] Z- ]# ^: l J$ I" F7 R! Y" ?% Y& z* C+ i
to do-business
6 x5 Q/ w' z) ^! s: R+ s3 j0 i0 p$ B$ s. u8 i% z6 u5 T
+ ?( O6 n, P+ q$ ` p: zrt random 360
6 I G& b H& v, C1 _
Q4 |# ?+ Z4 i/ ifd 1. h% G) @2 t8 B
4 ?- h9 g5 A: C3 k% q- n0 t `
ifelse(other turtles-here != nobody)[: }; `% Q2 S# H: m" M
1 L; p1 ?/ `* j/ ~: z# @* Uset customer one-of other turtles-here8 b$ U* R# x# P6 e& N& Q0 P0 j+ ^
7 V$ n+ D! U2 S6 \* Z
;; set [customer] of customer myself
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( @3 d `- z8 j& I1 Z& K! ^, ^2 z W5 Hset [trade-record-one] of self item (([who] of customer) - 1). s5 X, u: [6 A! G& {; p- N
[trade-record-all]of self
5 x. _) s: @$ L8 L3 s0 f;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
6 t2 N. [0 m0 @2 u1 F$ W- e: a. h' z6 L
set [trade-record-one] of customer item (([who] of self) - 1)) [7 V& ^& w: r/ l+ m
[trade-record-all]of customer
5 h) q& g2 t2 C
; ?) z2 c) ^; p+ N c1 G: sset [trade-record-one-len] of self length [trade-record-one] of self2 @7 I7 s( z) c
1 R3 c! q3 S" ^6 P7 m, i N
set trade-record-current( list (timer) (random money-upper-limit))
: L) L5 w6 A! z+ k; ?6 s" X+ `
7 W$ h; u9 U- T1 R$ Y/ Rask self [do-trust]
+ W0 ]/ E" |1 B w# @;;先求i对j的信任度! b+ Z/ g0 Q& {
" q% t2 P$ Q/ z4 ^3 S, s" n7 Z
if ([trust-ok] of self)
4 k( |: l0 X- |! M3 K% |;;根据i对j的信任度来决定是否与j进行交易[2 _) f2 C6 j8 d* ^) j
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
9 Q. S& D' R5 T( i6 v) d/ }1 b( F9 G/ q9 L; s7 a$ ^( x/ D
[
, Y& t. j4 w- i% B% \7 E# G- x1 w% ~: Q6 E' c
do-trade
- C Q) P1 L) Z1 Q4 s ?7 J( D$ u+ A9 A* B9 r8 f8 Z% ^4 B( e; d% s
update-credibility-ijl9 [0 S: ^ e/ t# k8 \% _
$ d4 ~+ M; x% G8 X- o; J" j2 lupdate-credibility-list
; }: K6 |6 o. W+ B: H% W* K9 w4 I) G Z$ S/ T- u/ E& i- S
1 e$ N T: |* e0 C7 k9 Lupdate-global-reputation-list
) c3 y1 R9 }# @% E7 _' [
& m0 R! P# M/ ]: i$ Spoll-class/ M5 z! H/ O, k D" L7 D' Q) r2 M
. o8 |6 ~3 z3 A" U$ v W7 Iget-color
" I( L. p+ g8 j8 L$ o& w% J; z
4 u9 j. x9 A+ u7 S]]
6 G3 f% T. q. N9 n; H% j4 Q' u* H8 w# B4 q v+ G8 t0 p
;;如果所得的信任度满足条件,则进行交易, q H- r- q- f9 m
4 c; C' D- |$ c$ M7 d$ b5 D
[( H% G, c7 H3 H% s; | E* I
/ `5 Q4 w$ ]; J1 Y% c; D) |7 a, n6 qrt random 3600 B, ?% X3 L6 b' E& G+ R
. c) q2 `/ U' g4 |0 z6 P9 ~& q
fd 10 T! P' o1 T# l) g, T
( L; F( X* c5 P+ J: ?8 \9 K1 Q]% P' \# k7 f6 r% o3 @
: l G7 N% m. t; e: J2 Aend: @$ q) \2 o j* K+ |& v- L
' s% T o# t; n' zto do-trust / s/ x- \# O4 c' \ B) U5 m( b1 n# a
set trust-ok False" y, c) c( T; y2 {% _4 @
5 k: ]% ]8 [3 A) k' b$ J1 b+ x1 D @
/ {; c# j4 |$ m2 c/ {$ o2 dlet max-trade-times 01 k& g8 Y% d* ]3 j. J
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
2 s, N, |0 B" H6 k/ i& ~- ^2 r2 rlet max-trade-money 0% k4 m) B, ?1 N7 p
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
1 q/ U, G' ^8 p' jlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
/ q8 H: g$ s' E+ g% s1 I' v
( n- c" N, x. d1 A8 K9 L
$ q7 ~7 K' g+ U( ] Tget-global-proportion
2 G, c2 F, U+ D( b' `1 f1 H" Slet trust-value
. d$ Z) j9 o. Y, ?2 f: blocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
' s* L) A3 q7 Y- Y. N' n5 ^if(trust-value > trade-trust-value)% e |, h$ I: D F
[set trust-ok true]
) c( F- V+ O9 a# p+ n$ v# Eend
/ |3 j" r8 S' K: S3 K0 R7 {% i9 R2 ~4 s- b
to get-global-proportion
8 {* r+ e0 G% e, cifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)- a4 R- a. ^) k& {+ b( b7 {& C3 c
[set global-proportion 0]3 y' [% X$ ^+ p1 I5 q
[let i 0
4 l1 Q0 U' r; d% N, _0 ?% V- ]let sum-money 0" S: s8 U- J- x$ q$ L
while[ i < people]4 M' n$ H# R7 \" C8 t
[) A7 m d$ @) K: @, W3 z3 A
if( length (item i3 P! L, a6 M& o( Z5 t2 e! R$ i
[trade-record-all] of customer) > 3 )
- {- I8 a g! f4 q* y: R! d[' |' ?7 X3 n1 |5 J7 R
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))* B- T% G$ _9 _% }, P) G8 K6 [7 \9 M
]! W& {6 x) u4 ?1 K
]
- X8 j" g! H1 X3 V: \let j 00 M# L) B( |* u0 f# m7 b8 Y! h
let note 0
8 u$ L; f: ]" r1 t* _% `while[ j < people]
+ W# I" j" x9 c[* s2 M: ^! M( d- ?3 z! W
if( length (item i
, X* I! ^, ]. j# k" x! o2 E+ E[trade-record-all] of customer) > 3 )8 K0 Z& Y* z8 I
[5 K) ?1 p0 u. m
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
9 W+ R s: q* T3 C[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
9 S' x" ?) S; ~: b0 N; h[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
/ B5 V/ J3 }# q0 R: O/ Q. r]
7 G* K# |8 L. u7 {) r]# r$ z* W- x9 p
set global-proportion note
. X8 C3 s: K& f]2 A N. \+ c! S, q: l
end
+ V- ~! t/ z8 t
8 n' P5 k4 G. q" gto do-trade
' W! p* S6 P4 w5 T$ V;;这个过程实际上是给双方作出评价的过程 o: R! | b9 Y0 u m& C# e$ v
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价8 t6 B8 Y+ o! u( i8 b$ O
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
' Q8 D1 \6 @4 z3 T4 L; {set trade-record-current lput(timer) trade-record-current
+ ]7 r& k# d3 s |. c;;评价时间
. v1 U- w8 v8 e8 F: p( f; Kask myself [
! o( j; n1 f2 H4 J* Q$ I+ _, _update-local-reputation) {" d6 o6 x8 ?* G8 `
set trade-record-current lput([local-reputation] of myself) trade-record-current' z6 `( S5 M0 J+ `1 m" I9 _4 A
]) b8 n# B) Q6 \* y) Y
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself; J6 H8 `$ U% c6 n# h9 T
;;将此次交易的记录加入到trade-record-one中
0 y1 [: ?( a4 H& cset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself), |# j8 s3 Z$ O
let note (item 2 trade-record-current )
% b/ p: O3 B" [5 a8 d7 t2 O* tset trade-record-current$ J. T8 \ k1 [- e
(replace-item 2 trade-record-current (item 3 trade-record-current))5 L2 u9 d. I# B
set trade-record-current
! A8 Z" \5 }4 k: I. `$ n' ]+ H& Q4 ~; b(replace-item 3 trade-record-current note)
( b/ T4 o! n/ t6 N+ r8 v9 n+ @* k1 Q: T! M/ L% P$ O
; p+ ?% r% z+ a5 Cask customer [4 `2 a# `4 q6 }2 M
update-local-reputation
; O' Q+ L+ L$ [/ Q* d4 y- Bset trade-record-current g# t+ U$ Q0 q9 C7 ]5 {) E
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : H# L D( a7 Y
]
# U) x' `2 I) o9 n2 n7 i6 ]* k2 Z4 m% H( I, T3 V; ^
: n! J* u |4 g6 ~- J" Vset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer3 q9 U, K4 B2 D4 ?
# v7 |2 O0 I% w+ j7 C* r& @set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
$ A% f/ S1 M2 t+ G2 ~;;将此次交易的记录加入到customer的trade-record-all中
1 A# p; B" Y7 K" lend7 [4 u7 }. A% L# _8 t
( d2 l3 D8 J# O8 a; i
to update-local-reputation, u+ k& k/ x, q, e4 l
set [trade-record-one-len] of myself length [trade-record-one] of myself
4 ]6 v: M8 n' P' u& _
3 K2 P# ^3 P1 K1 G( O; g0 ?& E7 r. e0 i
;;if [trade-record-one-len] of myself > 3
9 B: c" m0 ?3 G v/ lupdate-neighbor-total
( |6 e' x. W6 M8 o;;更新邻居节点的数目,在此进行5 K$ R6 U, J" J2 w. ?' B
let i 3
1 A0 `$ L/ E, q2 t$ ]; o+ O' Vlet sum-time 0* s' ]6 E6 V6 {
while[i < [trade-record-one-len] of myself]) m" U. q& Y, s; o- f
[
& J! x" M! ?1 ? p! Jset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
9 i7 U- K0 u8 j# L1 z" qset i6 s4 R7 H7 N! l+ y1 v4 C! ?- m# K, Y
( i + 1)/ U( ?- x! }6 {; Z2 p
]; P& g& Y9 c9 \ F t
let j 3
/ c1 v/ ^/ t+ h- s" Z7 @let sum-money 0
. Y8 O; b% i# b* ~% Gwhile[j < [trade-record-one-len] of myself]
5 y* {) i0 f5 h: v( \- A[: y& c9 m2 s6 \. b
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)
0 L! u4 P5 X& B% \ ~' W: |set j4 D/ a D; y# G/ r2 G. A
( j + 1)2 e# Z0 I7 a- ~+ L. `; m
]' A# \* M4 |# ]8 p7 `- c
let k 3
, o' ^ v# }% Dlet power 07 s& g# D2 |6 o- K3 v$ F
let local 09 S2 u( @: A, e/ T- q/ K2 s9 _
while [k <[trade-record-one-len] of myself]- v* G, V5 w# f# u# h
[
4 k$ F2 _2 r" Jset 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; r0 p7 H! }7 Iset k (k + 1)( w* \ e4 }- o- e8 K; y( F3 _' R
]
7 v% r0 r+ y! z( G: \set [local-reputation] of myself (local)& A) B7 O+ q3 w7 ~: [- ~& s
end
" {0 l3 D6 e( x' J1 F+ W! l" ]$ s8 _# ?
to update-neighbor-total Q6 k0 E' q; p0 `! d
/ n K* {8 n2 X2 T/ ^1 }$ G! I
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
M6 c- K5 v! ~" ?' h8 _0 u- ~# l: A* x( i3 o
' }# ? B& y; Q; l0 C
end; k1 v# T0 a8 _% c# W
5 o6 l0 m5 N& n/ @( Zto update-credibility-ijl
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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。; F; [# g% M9 z4 V3 s
let l 0
' D1 H3 N/ M# M5 \while[ l < people ] `: R, P m5 B- U. p1 y
;;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: |/ ~, ]7 @, w- R. |9 r+ M. f
[3 b/ a/ ?7 m/ ]- w. m
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
' Q! x H/ V3 ~5 Hif (trade-record-one-j-l-len > 3); x0 W: }$ J- D
[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
0 m% v+ o. m- I& q( O. A) Y' G' t1 Vlet i 3
( x" S4 ~* i8 q7 z) y! S# ilet sum-time 0$ {. s* J+ }$ C0 f; ]( L# U
while[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ); _3 G3 U; c" O2 h5 J7 l6 o
set i5 n/ R5 k4 [' Z, z: O: k4 e! w
( i + 1)! l2 n9 E- a" B
]* a& h+ Y j7 @* B% R
let credibility-i-j-l 0' Q5 W- D6 I8 X0 _" p3 s
;;i评价(j对jl的评价)
' ^( \( W' T9 Slet j 3
j7 y, w) Z! |# N5 `" l8 ylet k 4+ r2 I- f$ k+ T. f0 D: Q
while[j < trade-record-one-len]& D/ ?7 F5 F+ @% e7 S
[7 N8 s( K1 P- }
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% {8 r# p' U3 b6 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)
6 [" v3 O [2 c$ Q4 v9 r5 q8 uset j& e' l% m, z/ l8 J
( j + 1)
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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 ))
: X% p4 u- y( X# ?* f3 j$ K0 j- m+ F( F6 Q1 u; Z/ F8 l
( ?1 ]( B. w7 |- ~
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))0 e! B' v* c7 `& ^6 r5 U
;;及时更新i对l的评价质量的评价. H7 d7 j! Y5 v: s* }$ T, H
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
2 d* ~9 P/ R" A- iset l (l + 1)
- n- S6 ~# S* t, Q$ V q]8 U9 b% T& d6 _" t4 Y: T
end
1 i& i/ ~& T1 ?& g
* s, W& x. Z# b, {) i4 Gto update-credibility-list
; y5 J8 s' |0 j- ], x Blet i 0 b! d# N1 Y/ o
while[i < people]
- S- Y9 q1 t2 B: K/ Z# d[; ]) s* g% o9 f3 V
let j 0# a8 o: k* `0 i& @8 L5 u4 T* R r' F
let note 0
/ ^5 R& Y* s* ?% G: b5 F: alet k 0; w# r, A% T6 D9 L1 P9 g
;;计作出过评价的邻居节点的数目
) W0 ^1 \: T$ }while[j < people]% a* _. N+ Z* e v8 l7 ^% x% Y
[
0 Q6 b: L7 ?* v/ Y( v8 i Lif (item j( [credibility] of turtle (i + 1)) != -1)2 h" C0 m {) A! { R
;;判断是否给本turtle的评价质量做出过评价的节点7 A& i2 Z ^ r: q5 B6 a2 P% V
[set note (note + item j ([credibility]of turtle (i + 1)))
. N u" r. Q, [0 }5 q;;*(exp (-(people - 2)))/(people - 2))]
" r( p. T. |7 k& A7 Q6 ^set k (k + 1)
* w* \/ Z4 J# J0 P& `2 Z]
& v" Z+ J4 I$ G) k/ Bset j (j + 1)1 S4 _# U. Q2 Q
]
& c' K. m0 N1 }8 W1 M& ]5 ]set note (note *(exp (- (1 / k)))/ k)
! [& H* g* e( W5 Q: l7 J3 l* G# s3 Aset credibility-list (replace-item i credibility-list note)* Q# Z" k7 p7 W1 j# j% Q+ y( }
set i (i + 1)' U! s7 ^7 N& h! X$ X3 @, N
]
! X+ i$ }! ?- G6 w0 t0 m& Jend
5 E" L# P0 C. f# s
6 }* F* E$ l) n, c# T+ Sto update-global-reputation-list
; l2 T( \- R4 slet j 03 j0 O" ~2 p+ d, v' P% h+ Z
while[j < people]
- V! T- c$ X5 R8 M+ f: j5 U[. d* ^7 Z3 g( n6 b2 J/ z
let new 0% q, @) z% U; S) q4 h
;;暂存新的一个全局声誉
7 O# c+ Q/ i0 q) |; r9 olet i 0
' q X% |$ q3 |% z+ }' ~let sum-money 01 ^# O# Z; M' q) @8 F+ O1 x) {) I! Z
let credibility-money 0
8 @6 U& ] J l p$ H1 Twhile [i < people]
% }. a" r3 X p. L5 G[
& a3 }- J. y, F$ ~8 pset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
; n5 X7 P1 \, g5 i* U, `) t$ rset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))6 p9 F8 K L0 `/ h# h
set i (i + 1)" H, l5 w3 ^$ g. _7 i, g
]
& E. S9 Z- m; b% W0 A( tlet k 0
/ ^; e1 ?+ @( R v3 [let new1 0
! C1 L2 d3 P5 n+ Z0 H1 @6 `while [k < people]
( ^6 ~. O% `; L0 I5 v- ][8 m! F8 ~% o5 g4 ?5 \
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)/ F: A4 t1 l. B% t
set k (k + 1)
3 F b0 w: t! M, {, R, }# E]
7 Y( j4 f7 }) t. H1 |- Oset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 4 c' ^/ s8 d3 V* C0 L
set global-reputation-list (replace-item j global-reputation-list new)
+ j# S8 M. h* P* Bset j (j + 1); M9 J' I! D' }+ ~ i
]7 m( w4 v7 L; H6 U* J4 `% l
end, w0 c0 D9 |2 e& e1 R
4 l( j* a4 W6 n# Z$ { D
( G. O0 |2 h0 S3 d( k1 r7 `6 Z
2 x4 Z2 k/ A" d1 i( G! n8 W5 jto get-color
^" T/ ]) ?2 G* Z
% U( p* k( y. r4 { h3 dset color blue
1 h$ j8 D% N: N& l4 o. K* Pend$ |# ^( V2 b' l9 U& A1 X
4 _, ]# X2 U% T3 n7 C* Y& _8 J
to poll-class
% F8 W5 H* [" m: P5 e% K. `8 Send
0 q* u: S+ M' E0 @
2 _7 N0 o Q$ @5 J0 tto setup-plot1
. E! h, ^) w, t0 n5 x# |/ V( l. T* D& F
set-current-plot "Trends-of-Local-reputation"
& ~! x7 G% p X1 N* q+ \3 f' [) C$ Q) R
set-plot-x-range 0 xmax
/ Z# E3 ~2 c0 c9 Y* }7 I6 X2 l, c) Z
0 L5 i6 |6 V1 @" K; pset-plot-y-range 0.0 ymax
( _! K% Y5 ?1 L9 hend
, n: R- c7 k$ r4 N2 Z
[) K- E, N: n& zto setup-plot25 V: |) D% p+ q
* P$ k" N, d7 Wset-current-plot "Trends-of-global-reputation") H _4 _0 d c4 D8 }' A: I- F( V3 _
) a6 p+ F7 G5 b' f6 Eset-plot-x-range 0 xmax% x% k9 j- ]# v9 E/ Z' |4 v
/ ?& d6 r* H, }1 H; T
set-plot-y-range 0.0 ymax5 Q, o& ]; e$ ]' G0 n8 ?
end* F7 }" V# S+ z+ n, m8 }" \$ ]6 V
# N: n/ [# v! q. Uto setup-plot3
. I! Y2 H/ D( ]/ N4 W8 N4 b$ _5 J! ~5 y4 X8 @: }: B/ O
set-current-plot "Trends-of-credibility"
& v& W4 x l! D# Z1 g0 W& }+ E& z
+ B0 H# k2 e+ k7 mset-plot-x-range 0 xmax, X& f9 ?# V' i- d
* b; N* P2 `0 a: \3 ]set-plot-y-range 0.0 ymax0 t f% u% R/ K. w3 d* ?( G5 {0 I
end
# [+ O( T3 ` C& o' {1 b% _ u, N" |2 e# A) n- s
to do-plots
) U/ e& P, @; ?- X# hset-current-plot "Trends-of-Local-reputation"% j( V; G+ i. J
set-current-plot-pen "Honest service") M0 J+ `2 \) D# P
end! f, o1 A5 ^' [3 A! {5 }
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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