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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& I( T( s: i4 O' W& d3 l. n' o+ `
globals[; s* d- M* p. _3 B
xmax
3 D. ?1 b T# n9 Fymax
; ]" N) k- o% t2 C0 Hglobal-reputation-list e1 I. b6 k) w: d* @" n7 J% ]
+ s% e" C- G) A% P8 q
;;每一个turtle的全局声誉都存在此LIST中1 d& g$ t$ }" {
credibility-list( d/ S3 G+ O$ H O( R( {' Q; u
;;每一个turtle的评价可信度
9 T& S5 [, N" f2 Ahonest-service
# H; c. v* E5 {6 lunhonest-service: B0 H# \6 k! b
oscillation& k0 E& f/ _* m! l+ K8 C$ x+ U
rand-dynamic
4 G# e# s* q7 r6 }+ ^]
i" N; q2 y+ s5 \6 M8 d% l1 X! t) G" j9 a3 c
turtles-own[1 C0 o( [9 N- h: U3 V5 X
trade-record-all
! y, X% ?% x1 A1 X1 Q;;a list of lists,由trade-record-one组成0 I0 T/ v0 f& N, H4 w, s; J
trade-record-one7 ^, t( v( o6 M/ @& ^3 p) j
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录* Z, i2 D+ z4 Y! y
5 L' @6 ]3 D3 G/ T
;;[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]]$ {2 o& ~7 p4 h; I! k
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]
( A! R5 s1 O7 W2 S7 d1 d" ecredibility-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list5 M0 b( Q9 F# B5 J( `' j& s( ^/ d
neighbor-total' I' D( d* Z ?: s& S) e
;;记录该turtle的邻居节点的数目1 ^& y9 X4 f9 ` v; h
trade-time E0 P& f4 P1 }' C/ r* P8 o
;;当前发生交易的turtle的交易时间
8 l Q( q. n" ?% Sappraise-give, W8 j k$ s% {7 P
;;当前发生交易时给出的评价
" Z6 n. l Y1 x3 j5 o/ r4 oappraise-receive$ [2 s ]( i7 M, i0 K( {" `3 K
;;当前发生交易时收到的评价
% R" F( l, ?$ t' e0 A! {( `% zappraise-time, _- S% f; S) D
;;当前发生交易时的评价时间
& u4 a; h( f* L; W( Q- T7 B; Slocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
8 }* H! G, }4 @* V/ M& ntrade-times-total# i& L" {. V( a* ^; B
;;与当前turtle的交易总次数
' `1 ?+ N5 R8 i+ K% Btrade-money-total( e1 i/ Z7 C4 s1 K/ g' c: V
;;与当前turtle的交易总金额/ \& p" M* r( X2 w
local-reputation
' N5 l3 z* O5 f ?/ ]global-reputation% ]6 Z; d8 k5 C* G2 F
credibility
" \; E: M% o4 k {" [! {% B: K0 s) B;;评价可信度,每次交易后都需要更新) F2 ~ y- ~$ G9 {$ } R
credibility-all
7 Q Q r" E! D9 b8 Y" W% ~;;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 I1 i* k& `3 R, x- r# J$ V
* m. t+ R0 [3 n) k) F' p( L
;;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( N" o+ e+ L: S$ n+ ~' X. P/ f- Y
credibility-one' t* \( H N$ e" E6 c
;;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/ h" h! [1 v& H# E: a
global-proportion
9 C2 H& D& ]8 I: _! ?' m) scustomer! f" L. ~+ v8 i
customer-no
5 g- P' r5 j/ t7 y; m1 Y* Jtrust-ok6 k; \9 M. p+ l; S9 e- N) M
trade-record-one-len;;trade-record-one的长度
) R" L3 Y$ \& B* u]) q1 x( z4 i1 @- o7 |& B: J% q5 ~ O
+ k' O& s P8 y' a- s9 s
;;setup procedure
' p' q6 U+ H4 |( p- p
# }; u5 v: f. M+ wto setup" R1 D4 [# |: }' h4 E- x3 j5 P
5 {# z2 e% w: Z! Dca
5 ]' v2 e5 n' }- m( G/ |2 z+ J. s' G! B- O& Y
initialize-settings; p9 ]4 g, h7 P; \+ N# }
$ x2 M% t- H$ G# y% |
crt people [setup-turtles]
! o# K! W, P! t+ |' T8 ~/ A: ]5 R& H
reset-timer
. K7 {) q: D# r1 r; d
! ]7 r6 i" e. ]- f. |* B9 Npoll-class
, R. k% S- R, b0 P/ @! Z* B
: b; o" C/ g$ \6 W. ]setup-plots
/ R/ t ?5 K% s9 e5 {7 }( ~0 q
- O( ]& O) b+ d6 Q9 B8 P8 Jdo-plots
+ r/ D; X ?, z& ^/ Hend
7 w, G) R, \3 R8 A9 k+ K* b4 B0 p
. l$ }3 k5 ~" _$ Dto initialize-settings$ c3 {6 o) G1 i r6 D+ ]+ Y: Y
2 o F5 [4 _& u! M% kset global-reputation-list []
, [- q# g. J) E; {6 ^9 T1 S8 c0 L3 U4 q z
set credibility-list n-values people [0.5]
) m* T0 i; {1 J8 b! I
4 h$ q1 \7 _) \- \: T: F& E$ K4 I9 }set honest-service 0
/ U4 }0 H( l: e# q6 ?2 L: R; T9 E; |/ O1 v ~5 G
set unhonest-service 03 c- T$ A2 V% Y7 q
$ _3 m. R4 c. K3 ~4 B5 h- I: b+ K
set oscillation 0
1 q3 }0 K( }7 \4 | U [
# |* e4 ^, Z3 xset rand-dynamic 0
8 a% U2 w, |+ r7 l; b) hend
' Y/ ~6 B/ X8 G! o/ w7 C. ?* J- g+ n$ |& S" _
to setup-turtles
( _& ?! {7 g. w) D# U3 ~ Bset shape "person"
6 m' `4 x+ F: B5 j3 z" j" w& S) fsetxy random-xcor random-ycor
/ y& P2 g( e5 j2 [; \; Kset trade-record-one []* |: X$ q/ Y: m# ~( ]
& P8 ]! J5 [$ vset trade-record-all n-values people [(list (? + 1) 0 0)] , \" o/ ]; X# u, M
- \0 Y$ I8 B5 ~0 E, ^" ]& W& Z
set trade-record-current []; E% e! k- ], r6 S( A, p
set credibility-receive []8 n j/ K+ }& Q5 P. u1 r) ~# J# ]7 s
set local-reputation 0.5* J/ N8 @! R, J( a) J0 {( l4 |* R
set neighbor-total 0( n" f/ [6 N a# B
set trade-times-total 0
9 X- j% D7 V# V( l1 Y m- W* rset trade-money-total 04 G9 r& v5 r) x6 i: j" ?
set customer nobody
! O0 y5 `$ F' h4 Xset credibility-all n-values people [creat-credibility]
7 }/ o; |0 u5 x) C& I1 {, b1 sset credibility n-values people [-1] n, I$ _6 p O6 T' `: e" c
get-color r+ a4 K; Q2 ^5 [4 z( R5 s
6 f) K+ b, i% w( W& c/ C# _6 Z% d+ fend
8 @0 k5 Z1 }, u1 t
, X9 U. P' d, |) A% \1 t, d* f. tto-report creat-credibility( n2 E9 {8 [1 j9 J, V: `+ s( K
report n-values people [0.5]+ ` r5 R6 a+ k$ b8 t0 E
end" C: k: D0 I0 \5 `
% H( J, H" J" T/ _( V+ ~$ n
to setup-plots9 A0 N. c% E$ r# p
& |- V# v( j7 Z: V5 rset xmax 30: M' {& o) ]4 Q# j2 f
8 w0 v P1 ]3 Q+ e! X! @9 f$ Nset ymax 1.0
3 Y$ Q8 L. t! }2 t" z/ y4 m( `
) V1 f$ w9 u& {+ Vclear-all-plots1 d$ S! Z$ Z. q
3 W& C& H- [* s9 Y# Lsetup-plot1+ m+ o1 p' ^0 {& f' q: E
, G# G, Y" ]% I. A/ Jsetup-plot2
, q) a6 [, |! e% K* Y" t
7 J% c" A+ U) e6 f/ f8 K1 X0 I$ Y Ysetup-plot3
- _. u- c) K: s5 L9 fend' U6 }' j; i8 p. a' Q) J- p
5 g; ~9 n- K8 w: a
;;run time procedures* |, q; s( ^& T# \, u1 p
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to go# W$ P$ D) J5 K/ H/ k' k
8 j4 J& O. U5 z
ask turtles [do-business]
/ S- h( T4 t; T: T4 ?end E( Q, G6 O2 y1 _0 H* z# J3 w
1 K4 V. K/ J- d Bto do-business 1 u2 Y7 H; S) T
) S5 y: I& ]) x5 c/ b, Q0 F7 C2 x# P4 z8 ?0 [# A+ n
rt random 360
( N$ K* Y9 w- w' d- ]( @* \4 y6 z, e7 B: o% ]
fd 1
4 K9 F* F. n5 g$ Z) `+ q
5 G2 E% g% ?0 r/ Qifelse(other turtles-here != nobody)[7 Y+ U" S3 S, m
. j" F$ s) _6 c. f
set customer one-of other turtles-here
t1 N9 G) r# p, z L# f4 Y$ F0 q9 w0 f( \% g2 Q
;; set [customer] of customer myself2 X# X; k" |6 h4 S8 M+ r- z
& R5 T0 r' [3 V( Nset [trade-record-one] of self item (([who] of customer) - 1)7 s+ d' L9 Y7 ]) c3 Z4 c3 s
[trade-record-all]of self
x# X n9 \ Y3 E;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
5 W! \! L* n* { F+ }$ K% U7 {' k2 B' K
! J1 p3 ~9 F: B! z; Y) G; S, jset [trade-record-one] of customer item (([who] of self) - 1)
' z1 T7 M. A: D6 O- @[trade-record-all]of customer' R* {' F! J8 E6 t! {
& t: x+ t9 o+ {( p9 g# h7 \' E6 sset [trade-record-one-len] of self length [trade-record-one] of self3 j: O. T3 J+ y5 a$ t4 L
* s" k4 v5 L( ]3 n' w* x: i
set trade-record-current( list (timer) (random money-upper-limit))" G* ^/ w( s& P. i# L5 x- `
0 A ~9 B5 ~+ j m) @6 [8 m* d
ask self [do-trust]
# Y6 ^$ U# H% J# p; Y;;先求i对j的信任度) p9 `9 e& [+ v6 k# V$ R
; _- g5 @. k" m) D
if ([trust-ok] of self)
, |) Q/ X% t+ @) x1 P;;根据i对j的信任度来决定是否与j进行交易[4 |4 T7 B% y* H$ W: v( ^
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself, |8 ?% v5 j, \/ b: o7 o( K/ G
3 e1 k: |0 H, B- K& q- s, s" G% ]
[
% P6 X9 x" t6 r8 Q: }
$ L, ^" [1 Z! M% O2 w. jdo-trade, N" \7 j0 L5 | v2 k; T% C
) x5 E# [. ^$ N s3 q& }update-credibility-ijl
8 y, ^( i8 v6 X5 y1 |( v u2 r: x' T
% g( B g7 x: I6 d1 C9 Kupdate-credibility-list
% e7 x* I' n7 n5 @% J3 P5 q4 o- W' J0 h
* q) ^3 G1 [, c5 x, i! @
update-global-reputation-list
! _ ]! u" }* J/ ^
+ Z# c/ s* o0 {+ z( @8 _poll-class | K) Z* i( u8 ?3 z( T( z8 d
+ K0 C( Z% T& [, Lget-color8 E- ~' h& i5 t! y7 p+ ` L
' o6 G& m+ ?! `0 K. X% \5 R]]
+ Q" l1 s9 C' F. U
^1 n' C$ s9 ^2 g;;如果所得的信任度满足条件,则进行交易
$ p2 W' |6 r) y8 _' z. i- |/ _ m( ]) o* Z7 v& w6 |* L
[( |. x; o3 M1 f7 A) t A6 @8 D
W6 f8 {# L+ E2 A3 G
rt random 360
0 b) x. N( C! H8 @/ a1 i
, R) p7 V% K9 t7 E3 O! c& O" Nfd 1
8 Z0 E$ O3 d( m
! W! U% I( s, `. d/ s9 U2 z]0 V) [( H+ R6 m- @. Z
3 u$ P: u/ L3 {8 i T3 H
end" V) P& Z6 Q% }; p
$ T- |9 j! m8 V( d g, i$ I
to do-trust
# V" g' }9 g" ~3 Rset trust-ok False3 j) ^$ C# F; P
+ I7 Z$ P. [0 u5 S2 j$ o
* k" \% w$ s" k( |1 r6 r
let max-trade-times 07 C$ F5 g8 Y: e1 J, b% q! C7 R
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]" T0 s _! z! a; z
let max-trade-money 0
) X( m) Z1 Z, G% c, k0 p' Wforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
/ F# a6 }) ^/ E: U( F( Llet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))- l. f& G/ ?8 u+ Q+ W
; T; h2 _5 ?2 ^ y
8 R/ P) @& \1 o: O g9 Xget-global-proportion
9 G* z D P$ i" Glet trust-value
$ b; W. z9 W# X" `% 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)" E- u [- p5 \; E
if(trust-value > trade-trust-value)
3 I6 S; Z" b. v$ T, N1 ?* ][set trust-ok true]
j# N4 E" ~7 }0 A7 u7 send
+ \9 ?( I0 R& O4 D' w1 d' ^" U+ V0 k( _3 r/ r
to get-global-proportion
0 e( R1 @' X/ n) o9 A5 E: fifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
3 S- t# o9 @3 L7 ^7 u7 u! y- {' [[set global-proportion 0]
, R% f3 Z$ \/ T# x: e[let i 0( Y+ T0 \ e4 \/ ~# ?
let sum-money 0. {/ u5 t" ~- r+ Z( ~) l9 B3 o
while[ i < people]
5 F$ p2 I9 F9 i& y9 Z# z[* e4 M( `3 \. r0 ]# v: H
if( length (item i
. |' f* @& k, `[trade-record-all] of customer) > 3 )
5 u+ V6 C+ @; M[' O+ O" v9 J+ Y h# k) a8 M Y5 m
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))1 x# N8 E4 o) Z) C5 B2 E
]
% m1 |2 E. b. f6 o& T k]
6 e% J3 E' ?4 ilet j 0
/ Z* z" @( c) l% m: B1 C1 tlet note 0& v: k1 m2 u( n) D; f
while[ j < people]7 h& m! w/ ^- h! a3 y
[2 [, b) s/ g; \" F1 I
if( length (item i
! p& A% U+ c% [; O- _1 S1 D[trade-record-all] of customer) > 3 )
. Z- z" l7 N: u$ R* }4 m[3 Z' Z+ c' X4 }4 z: ?' C
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
9 z( C" f2 P9 v) U[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], D! O! t! U; C' g0 h
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]" L6 A1 E8 a/ g7 s$ s
]4 V" r8 f5 B( \
]
0 V/ a5 U8 L5 M& e9 C' N1 G: K* A+ yset global-proportion note5 ~+ o/ o1 D6 `6 E3 H
]6 V( p1 z! z! j4 L8 x: z
end7 Z& \& t8 u( }( m# A6 R- f m
2 m) a: b- r# w" L0 X# dto do-trade2 I/ G5 A% D# T9 M4 _& H
;;这个过程实际上是给双方作出评价的过程6 z* ~& ^, w$ y& A( k
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价: E4 j8 }; a8 V+ a- U
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价0 Q, R" @5 k& Q; p8 q! a
set trade-record-current lput(timer) trade-record-current# ?& Z3 E5 ~/ U6 E1 _" F/ j
;;评价时间3 T7 @1 R; N' L4 `/ L
ask myself [3 S! u+ [# C, M9 q3 n7 l% |
update-local-reputation
2 H9 K3 f( c4 R* J7 G9 M- }set trade-record-current lput([local-reputation] of myself) trade-record-current# A/ R2 d5 J( h) `
]1 V* j, O, H+ L1 e' b
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
a# I( @4 y% u5 X;;将此次交易的记录加入到trade-record-one中7 W$ n0 ?( U4 v8 C( v# j1 }4 Y
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
6 o, S& l- \. d* b5 ~& h# |9 L8 Clet note (item 2 trade-record-current )6 j2 x: h8 V7 `: T+ ]# }+ s
set trade-record-current
* x: k1 d6 u, V* F6 O(replace-item 2 trade-record-current (item 3 trade-record-current))
0 N6 T0 @# i! cset trade-record-current
4 J+ ~7 w( y& \ q. ^$ Y(replace-item 3 trade-record-current note)5 S( ]1 y, ^! p
# D/ V+ m' Q' n6 G5 K0 ^/ m
! G1 K* |( e+ {2 X4 b8 c' r; zask customer [
$ u, O6 v3 I: Lupdate-local-reputation
) ^; [, {% i9 M5 Tset trade-record-current
6 J2 `: u9 v. _, T7 J# Z3 y3 T(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
2 O* p0 O: U: _' L, F2 o3 Z E]4 b& e9 l. f# {
2 L |. p7 t8 s' j) b/ Z' {5 e3 Q& {+ V3 ?. a
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer9 q7 \" }% f$ q
H& n, {% F) e6 _; iset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
$ j" F* W; N" |" ]9 J$ M9 r0 Z;;将此次交易的记录加入到customer的trade-record-all中3 h1 H T, O/ |0 e, B8 X% M
end
& h' }6 S# k6 a+ j
* @; I- B1 Y- ~: Q* uto update-local-reputation
0 ~6 u. m! A( Oset [trade-record-one-len] of myself length [trade-record-one] of myself
1 S' n1 W/ N9 u- [2 L; s* P8 E% U. q0 L3 c. f
6 @7 X/ p5 b0 z( S
;;if [trade-record-one-len] of myself > 3 $ R# C7 |$ K: i4 i, \. ]8 W
update-neighbor-total
7 C5 [# s6 a# @: k; Z;;更新邻居节点的数目,在此进行
5 J* ^ p) ?/ J mlet i 3
: D$ {1 D4 c+ c# c+ ~let sum-time 0
' a- c" C# ?, k/ z& }while[i < [trade-record-one-len] of myself], j Z2 d/ x( `( X3 \
[; {' g3 G' }& r$ s. u% C- ~
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
# i. E' [1 A s1 Z# R5 V( wset i4 V/ {' a0 {7 m/ i; V) k" s
( i + 1)
3 E. i# y5 R, x8 l]
/ m" L4 Y; G) g4 N" Ylet j 3+ e1 o3 X' }: b b& h3 x& ~0 o
let sum-money 0
3 b/ U3 ^/ q, C/ C; W7 y9 s+ wwhile[j < [trade-record-one-len] of myself]' z& q) V% [: y- g C4 @( ]
[; \5 C( f/ _1 l+ A+ s- d' V2 B9 v0 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)
4 u, U( t+ O2 i$ aset j; R/ t/ @& [3 v
( j + 1)
6 x/ }- A4 F% c1 u7 N( Q]
2 u+ j$ s* }4 Y. c/ b3 Q2 Vlet k 39 }" T2 a( w2 e( M" e4 V4 E1 y* }( p
let power 09 l6 K" e; r9 A Z1 p, b
let local 0$ [; ~9 g" b% \( T* h: N7 p% |
while [k <[trade-record-one-len] of myself]
) d" D, m; r% j1 K[1 C7 s# u' G0 h7 P' C) }% |4 ^
set local (local + (item 0 (item k [trade-record-one] of myself)) * (item 1 (item k [trade-record-one] of myself)) * (item 2 (item k [trade-record-one] of myself)) / sum-time / sum-money) $ {; G6 x9 s" F
set k (k + 1)
; x% }$ C) R( U3 [8 C7 b]5 ?5 p. G, c6 r, L$ N
set [local-reputation] of myself (local): z5 z3 `- [2 k B2 [
end7 W7 C; z/ h7 r/ ?' J
. O$ s5 _5 O3 V
to update-neighbor-total
. }+ v7 w3 p4 K: F3 |" o6 \$ E& i" f, w3 L
% m {. }4 n& d. M0 p' Q1 h9 \0 nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
0 y. C# g- c. d, q3 N. V; q& F& i$ y3 a* P; x. J
: }( X4 U& j) x7 U. U5 y* Lend' p+ I9 g) X0 b1 f$ I
# y0 Z* R u1 ^6 ?) Bto update-credibility-ijl
+ u( ]( w1 e- G' r
" } P& D" A% ]: M# [* W& h;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
. k; t& q* \) B' b3 |6 U; Llet l 0
- ~9 p) s6 g& \# V4 j2 fwhile[ l < people ]4 `1 ~! ~$ n3 e$ a. n9 n( e
;;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
/ t2 m* t! _4 v[
+ e) [4 y( w% h) y, l @* Qlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)8 ^( w( L9 u' u7 z# u4 Y( b2 S$ B
if (trade-record-one-j-l-len > 3): b( Z3 T' G1 K* ?: ?; 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
$ L5 y) r/ }0 Q7 h0 Ylet i 3
+ Z' f' e) \' Llet sum-time 00 X0 ~: t; V: y9 |. L! e3 F
while[i < trade-record-one-len]
8 H0 g, r: ^8 t! @[
5 ~- W: D4 g4 q5 g/ l- B% v3 Tset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )" R6 j; T: F0 Q# X# r' q2 }
set i( q O- I6 n4 m0 z3 S% h
( i + 1)
' N' x1 P' e+ A) f]
+ @# N& u8 D+ t( `9 o) y5 u. y5 i8 n6 hlet credibility-i-j-l 03 E7 x* X5 Y5 J- Y6 [% C
;;i评价(j对jl的评价)
`4 A% [) q$ [; h3 Z6 }- tlet j 3
: i- L/ E1 M m; k5 U0 Q6 R* Wlet k 4
. k* z/ B8 |# B$ h" `; ~while[j < trade-record-one-len]1 P4 l. O# I: g* }3 `6 J6 g9 P
[
3 r& ^1 d/ D6 [* Y# k& D( pwhile [((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
$ V+ Q- v+ _3 o3 D+ ~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)
8 }9 ^5 r) I6 M1 y5 yset j
2 r, ?7 C( l* M3 u% M: U8 m ^+ f4 n( j + 1)& Z2 l- A! z$ c0 x$ c
]
/ _. N: S3 }6 \! 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 ))9 b! e; j; y2 z( O3 E. O4 T
: Y( ^4 i9 {; l6 q5 s! W9 u
" U, q7 j, J6 ]( ^* L Y
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
y: H# E* ^4 O4 s/ o' O$ M# Q;;及时更新i对l的评价质量的评价
' p2 N% r2 L" Q2 o& i& i fset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]/ `* [! y, V$ e
set l (l + 1)4 ?' r) N. [: Z( i3 m5 I
]8 Z- N1 m" E- Y0 J. w) L
end- @( [# j% G# ~1 @$ L V$ p1 n
/ `1 l& u/ `1 y5 \" z' q% K
to update-credibility-list% k M3 F0 N! X9 u9 u5 E) Q
let i 08 U8 Y6 d r( j$ s2 a- {
while[i < people]
& V3 {9 V7 R7 ^; e/ ~' T[# Y3 j( f* i# t
let j 02 {1 F( l: l- ]6 E* d5 ^2 G
let note 08 D& q) x5 i5 E0 o6 t, U
let k 0
' }$ l: u0 ]% l; K& F% ~;;计作出过评价的邻居节点的数目
( X: T; F2 |( n' o7 u P+ Lwhile[j < people]
5 E; O9 H; J! K" P7 H[
: M6 B8 ^/ Z' g1 W& ^if (item j( [credibility] of turtle (i + 1)) != -1)
) v5 R& a" c. R1 @% v" _: f;;判断是否给本turtle的评价质量做出过评价的节点
/ A; U! u% `5 R- _, x[set note (note + item j ([credibility]of turtle (i + 1)))
& ?: d: E) @& {; y' V) @; A& o;;*(exp (-(people - 2)))/(people - 2))]. Q. p: e4 m- e9 g
set k (k + 1)
8 K: ` K( b- q]$ A+ Z6 Z0 h4 `7 b* C
set j (j + 1)7 _3 G4 @2 F, x: C4 r2 E
]6 a' u; `5 Y& x0 H7 f
set note (note *(exp (- (1 / k)))/ k)
0 O! ~: Y6 l! H& ^" M0 J" L! Yset credibility-list (replace-item i credibility-list note)
6 ^( Q5 |/ e* a# \' ~- Lset i (i + 1)- \. E% o/ e" N* }& A$ V" I
]) R0 C4 v; }6 R1 j8 D0 E
end2 g+ H- {( ?9 k& y6 U7 ^6 I9 v
$ {9 n1 C9 j3 t) k
to update-global-reputation-list
) _) j0 x6 b/ U4 _! d% Plet j 05 U! ]* ]/ }" W: b" |' @# S
while[j < people]
8 S4 Y( c. e5 x) n7 w[
$ I* ^% o! g$ q4 Dlet new 0
9 J0 X) t9 R- Y; c9 m;;暂存新的一个全局声誉% ?0 V) V; J$ ~6 V$ x
let i 00 J! c+ q1 i' ]+ H. u, a E. R- P
let sum-money 01 }- b0 w; ~1 X9 }: U4 D
let credibility-money 0
2 R+ y- J8 M% Rwhile [i < people], o$ O) J2 Q. @* H
[4 c- N9 ~/ Z; a
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
& C3 O0 q, c0 T8 K0 bset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))$ [4 U: g9 Y: _+ A: z
set i (i + 1)
A0 v5 p& F8 x) Z* S: v]
1 n! f9 ~/ f: l' Jlet k 0
4 N1 h- n4 |# n9 b+ g" F/ H4 rlet new1 00 C5 }1 v, J- T/ L5 `% {" o
while [k < people]' |! ?* o2 P1 a+ s) M! R
[' b7 L$ n6 H2 U! 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)
& B# I# D. C% R5 I. `! e/ T: Sset k (k + 1)
6 V( Q, Q# |7 d6 t. T' [9 ~]
: P7 B1 a: ^) D( h9 d+ A7 `set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) r8 t- n1 E. \
set global-reputation-list (replace-item j global-reputation-list new)
# ~4 q; D% V* L7 o' c: jset j (j + 1)
2 E5 N' J" K' n]. f4 f" U5 I$ I3 C& p) U
end
+ |* K% o- |; e1 u* a4 h* i( B
7 \& Z J9 U/ p5 X/ U
: w, P' e$ \1 G* M
& a9 {( y0 T' ]7 tto get-color0 R! `( K {/ G; P$ W
. `4 O+ X4 Y* ~4 d2 h7 B4 ?- e9 x
set color blue
5 I2 k. ^4 ^2 a; R; {; rend$ K7 \' d: {- \; J" U5 C6 P
4 e0 c" l# [5 U$ i
to poll-class7 [. f: Y& A4 J. W
end0 \ @9 O0 V6 s% z4 b
# D! f, H5 _. o+ L% p. ?to setup-plot1/ ^" e% ~. f+ h1 q7 x" v0 X
) O4 D( l# O4 w0 xset-current-plot "Trends-of-Local-reputation"
: G" V/ S, p j$ F! z! c) W3 j( t6 b6 K: Z; p$ g4 j
set-plot-x-range 0 xmax
* a" c: h' n X+ w' K9 C: `4 f9 p1 S6 f' [6 Z
set-plot-y-range 0.0 ymax
: t0 Z/ W& `" l+ ]# ^+ Jend0 {) K0 G4 p/ e# R/ b I5 Q
- ]; y: n, D1 n& Q
to setup-plot2) z I9 S( a9 l" S5 N
/ s# z: i, |! g* [6 h6 \9 Fset-current-plot "Trends-of-global-reputation"9 `6 H" h- B( L T
9 ]# b3 X2 c( y1 u
set-plot-x-range 0 xmax
* V# X' ^) l+ T1 i$ h' N% E6 O9 H/ ^2 y5 _; \
set-plot-y-range 0.0 ymax8 ?; U; G) f7 N9 O
end H- v" f/ a7 J q T
( {/ x" ]4 o& {. S# I1 Q& j/ G2 ^to setup-plot3
1 ^' Q9 q3 t: M: |; A# ?7 H* l, P% I1 t) C( c7 C
set-current-plot "Trends-of-credibility"0 ~" l5 }9 V3 J8 r/ Z _7 r
: v* H) c$ A- H% X5 \
set-plot-x-range 0 xmax8 I/ ~& m1 c8 g Z! q6 J6 C
/ `0 C; K- s6 ?' i
set-plot-y-range 0.0 ymax
& A' A, w# g2 oend
( b" f! T) R7 n
8 g' Q2 B/ d- r& m) K; `to do-plots
2 b) x1 w1 e# m# Bset-current-plot "Trends-of-Local-reputation"
$ h8 H; I) G0 d, C3 u6 i( oset-current-plot-pen "Honest service"
0 i) C' @4 ?4 c( z* @2 {1 t0 L! Aend
+ o( p+ M; z* p0 n4 C2 L6 G" Y$ t H% Y8 J
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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