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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, j, f( [) V' f' m, a# z
globals[" h- a8 n3 l# L% f
xmax( c5 [( q9 d5 z3 z
ymax5 @8 `3 r1 Y; H
global-reputation-list
8 V8 I7 t. \) X$ @9 ?9 r+ c
, l7 H/ `( B: N, P2 J! O;;每一个turtle的全局声誉都存在此LIST中
9 j. z/ J! f' r9 J5 v: Bcredibility-list7 c! N+ K8 S% ^: @. P
;;每一个turtle的评价可信度. {3 o7 ?% | E, g7 k: M- L
honest-service @7 ? K7 r, [1 D0 ?6 {. D- x
unhonest-service' a# Y" w" r% K5 h5 {, p! _
oscillation& ^" A& \1 t% L3 f) b
rand-dynamic2 |4 s) ~0 q( o8 g- \
]% m) y' J. z' ~' V7 i
, e+ o* n" ~" N6 z/ {9 h
turtles-own[
) | ?. a+ `" Ptrade-record-all- P) }. O N. a+ v
;;a list of lists,由trade-record-one组成
' `' Q$ t6 g& m9 L$ |2 B+ b6 q* \& K: ctrade-record-one; @& n- X3 c* k! f' @5 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2 R* ^; V( S% l
! Z. K7 F: D( I3 p- a1 l8 F;;[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]]& G# L# o) q8 @; S, z/ o$ }# O! d
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]1 |6 d/ o) M$ Y) A% j
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 k5 i6 @8 S! Jneighbor-total
, G9 |, w4 M2 [$ \;;记录该turtle的邻居节点的数目( m% R* k) b/ H& |
trade-time
1 ~' a6 s+ t2 X$ P;;当前发生交易的turtle的交易时间
; Y0 M# M8 ^1 N4 ]appraise-give
; Q1 U [6 f+ q6 j" L3 X4 _;;当前发生交易时给出的评价
+ i- X. F2 g# F+ h5 G @8 sappraise-receive0 c `( b" q# o3 c2 }
;;当前发生交易时收到的评价6 p C& x/ z! ^9 g5 w s
appraise-time
. \( d0 l) d) M;;当前发生交易时的评价时间. p! c4 t3 r3 R% x% s% l
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
" U: Z5 U G I8 Ntrade-times-total
; J* l( W/ h: |& Y0 o( S;;与当前turtle的交易总次数- g. v% K( a X4 v6 O4 u
trade-money-total
4 c9 t5 Q7 [- r; x' F' s;;与当前turtle的交易总金额, I+ }6 F% H1 P+ |# r3 d$ c4 L& Y
local-reputation0 H) ]8 U, D& ~% u% X
global-reputation
8 U" A. k1 s! x0 Q1 F: p+ Ncredibility9 `2 f c" o' }
;;评价可信度,每次交易后都需要更新
- F: t! Q; j6 d: z- ~0 |+ S8 K, kcredibility-all4 L0 Q( C4 x3 c
;;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 |3 t3 _+ W$ J, e2 |6 `( z; ?: i5 U# ]( z5 ]( M6 I3 }/ |
;;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
! o# j; B8 ~& I8 ?, Wcredibility-one
) F7 z' N4 R; T5 C7 m;;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
+ C" s" p# ?$ t7 V/ j3 I$ a; |" cglobal-proportion- \5 [5 r7 T1 {
customer
, w V8 J3 P t6 Wcustomer-no1 D7 ^. k4 q9 Q4 z+ D' \7 A: {0 a
trust-ok
/ v/ `" c! J! | b# Ntrade-record-one-len;;trade-record-one的长度+ I0 }2 Q4 l3 |/ ~ U1 S
]
+ E3 L) z6 V. |- r' N2 y3 ~+ \0 c4 y" M0 Q
;;setup procedure9 ?3 H0 @/ L/ m. q) Y& e. X/ e9 q
. V9 o. z# m3 l
to setup# r) X! H' I$ l: }: @
) O9 Y! @. x( Q4 q3 M# x
ca3 a8 z: }( L" w. [
F6 J- V) q; v- ^7 i4 C" \
initialize-settings
/ r5 D5 x" e' M9 V8 V& _8 N3 C b8 ^9 {( u( ^ J k1 L
crt people [setup-turtles]
" z3 T, n- h( g! \7 k
5 j7 k/ C' y. p7 } Treset-timer
' C. J; ^' u( i2 R& b$ P1 H
$ v6 ^8 s1 t( K* M l' vpoll-class
+ [+ ]1 { ~$ Y9 }3 V3 P7 F& [
. `) K, C+ ^) h! E) r0 t% I( Osetup-plots
, k& [$ |* O/ E9 p" V# d% _5 F* b/ }" Q4 v
do-plots
# y- ` ]0 J6 t. Y5 i, }, qend
+ M0 u( x# Q0 v
: F. G6 Z* Z8 L! mto initialize-settings4 r; _( }" H9 ~
8 I7 o' {2 g# W, [5 [7 `set global-reputation-list []
4 Q' F4 ]: q( B5 U: M. ?0 t/ s" E) D9 E" L
set credibility-list n-values people [0.5]6 r/ {% K7 {/ b2 r/ H$ r
& d# `& h9 U+ [9 Q
set honest-service 0
8 S+ g" x& U+ Z; L& [) Z
# d* [% R/ ]( {) C1 y( ?set unhonest-service 02 X4 q" J: ?8 f% L( ]& T) W
( Z, w7 ]0 n. {$ |5 \
set oscillation 02 o u# `- d8 o' Q3 M- f
% I0 |4 |$ P9 G
set rand-dynamic 0
+ `: z; E V" n. u0 w( m& I5 C$ ?/ Zend4 G+ \( \$ a+ s1 g- E3 d$ @
2 r6 [; A+ ~6 Q, D% W. z1 l8 q6 j
to setup-turtles
( i* [+ W! y( b( g; j W1 Y* [# dset shape "person"
( g0 r3 f% J }setxy random-xcor random-ycor6 {8 h J$ t( C3 f4 [7 w" M9 w6 k
set trade-record-one []" a7 ~- O+ M/ v2 P
( C- [$ u" B/ }6 |
set trade-record-all n-values people [(list (? + 1) 0 0)] . m9 u# G# v: }; }6 @
. M5 }7 e' Y- z& H9 ] Uset trade-record-current []2 ^, v, \6 |& {: I( X
set credibility-receive []
. t- D. r; R& ^% r; Zset local-reputation 0.5
: @6 F& z7 U! _set neighbor-total 02 ~' X0 h2 z" \. G9 Z
set trade-times-total 0; \ x9 ^' O( \
set trade-money-total 0' S; s1 l2 \& E, M) B
set customer nobody
- U# y3 c4 b6 |2 ` Xset credibility-all n-values people [creat-credibility]
3 N' p8 Y+ c* \- fset credibility n-values people [-1]
A; c5 M; U D, X: P4 mget-color
4 s( w1 U, z* _5 j, B% c" ]5 f/ }& W
end8 w8 B: `7 L! C# u
) k( Z T) E! M* nto-report creat-credibility9 y/ t t- ]# _" I% u0 G( t
report n-values people [0.5]
2 Y- \/ s( S3 m) p6 I9 e6 `$ X- cend+ y4 {0 e4 u8 N) @7 n. A
4 h' S3 v; p2 t* S
to setup-plots
@$ m) V/ H+ c0 U$ _) Q3 a* z7 M/ q% R) b* B# P) c, }
set xmax 305 d( x1 `0 N' W |$ Q" m
1 ~, R5 m# _. S2 P# Vset ymax 1.0( _9 v1 Y8 f+ A5 D8 x
% G) H+ w* d2 r- H5 \/ X6 aclear-all-plots
& I) r" C0 P) c! Z; y: M5 e' R' ]+ ?( \7 M: W4 e+ M' @' W. p: F
setup-plot1
6 b) C& j' g* _/ k% A
! i& `9 \4 w. U: @# } `' C# j( Jsetup-plot2
+ K. i4 U+ m: x: }9 ~! h7 n- t* x/ Y N8 w, `, A
setup-plot3
$ T* I' k" q( |: q8 Qend
! | U. E: I) E# h4 L Y1 h" R$ @4 T9 n
;;run time procedures0 G" i/ r" }1 p. z5 L) f- O4 ]
# t/ k2 o9 a' f; j) S& \6 S- H
to go+ a; x/ L, H4 ]/ Q0 W) X# D
3 T! A2 `- ]+ x
ask turtles [do-business]
# n4 o+ M r/ I, ^9 J7 r9 P4 {' lend6 H, [. o. _; |6 t! ~
; e" ]" s' n) m: {9 c9 W q( k
to do-business
) W9 r* Z+ R7 \& J
]7 u. q5 A7 e5 A$ O/ ?+ {
+ H2 [8 C1 ^9 h- Z. j8 c/ v( lrt random 360
2 X" E, O( S n9 z8 v* `. s" J5 U5 G; ^/ h/ l, n: o& c9 V
fd 19 y& H3 y- [/ G& l
$ q5 `! h" X6 [6 G5 v# y
ifelse(other turtles-here != nobody)[) d- g5 h/ C4 r, R% K
0 S' e1 y3 x o7 sset customer one-of other turtles-here
: q7 ]3 \6 Q) J* U g) }
$ w4 B! q8 M0 x0 T! S;; set [customer] of customer myself
, z% g c p5 q
8 P1 s* ~8 {3 rset [trade-record-one] of self item (([who] of customer) - 1)$ L% o8 p( @: _& }
[trade-record-all]of self# w9 l2 W. S/ c; V ]6 L! y9 ?
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self! F: Y+ L* V3 G
( |( U1 J* A; a
set [trade-record-one] of customer item (([who] of self) - 1) t$ S% x( T: e d! x
[trade-record-all]of customer
8 o! b2 u* ^* ^6 E6 i# F* w: h d4 K; ^5 Z
set [trade-record-one-len] of self length [trade-record-one] of self+ e# c( b# I+ M$ B
6 N% \0 H; D D6 K: V. vset trade-record-current( list (timer) (random money-upper-limit)); a4 \5 p/ E5 S; c& K
0 H6 n# }$ X, V2 i+ O6 D, jask self [do-trust]
$ v( U, P' x- W, {; M, G9 R;;先求i对j的信任度
% S% y4 J( K) Q& f* i- M# t5 |
c1 y; r( g+ _" zif ([trust-ok] of self)+ v' J- D. v8 m3 O; v7 N# j+ I
;;根据i对j的信任度来决定是否与j进行交易[! P: m3 N- ?/ L3 j1 {
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
2 x x/ m6 g& m1 F
/ M, C: c) `/ A+ ^: b[
8 ?6 C) C; ?. ^7 G% u6 a* D( i2 l5 X+ g, \5 l8 u2 s- E0 K! g' j; q
do-trade6 s. F3 ^2 s5 T4 v
+ `, n; n9 e: o2 i! v7 C3 ^update-credibility-ijl* x+ x, g' k1 h3 p/ U9 ?
. \- V B6 H; V4 A9 E/ j/ w7 O
update-credibility-list$ l- B# l0 \' `5 ]' f" a
) p P [' p; Z$ ?3 q1 k
7 N; Z; f0 p- e: ~ bupdate-global-reputation-list9 a$ b* O5 `/ h' T# B; d$ `4 Y
2 g+ X0 D+ a7 u9 v' ?- i
poll-class
- P4 J; }7 @$ e6 H) p
3 @9 R4 s- [# X. M$ f! iget-color) j" v( J8 }: A' i) P
9 |$ g) J/ Y7 u" @; M9 P]]2 T6 g# n' m* `* L9 S
2 h9 i, t: m; `& t" @;;如果所得的信任度满足条件,则进行交易+ c: S8 H, x" t2 J$ ?! K
) ? [& s9 Z: y9 h3 P$ `" h1 X[
, Q( B9 C8 x1 _% j7 |3 n, |+ A: h
, M- v0 q [& |& s* `; K' |rt random 360& k' n* R. g9 s% [& ~0 D
$ Z& B8 a. f4 I; b. p0 Y$ g
fd 1
: X% X3 E3 S8 `" s/ ?
+ h7 _. l. j- z% K; R] a* }3 L1 {. ?+ {* D: G4 x# z. {. ^
* \3 \& A8 U9 [# f9 wend
0 b+ f. a& {* @7 ^3 ?; @4 a8 ^) P! v; ~# T# l# H9 `/ c% k0 Y
to do-trust
U- z# H% W9 W' v5 fset trust-ok False8 m T1 `) U9 Q
: l! n' M$ n& h- G6 l
- n& L) G! c+ q$ v G
let max-trade-times 0. u8 L- \" H1 a& Q) a L
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]] a& ~8 Z. P$ q$ i8 d% I5 p
let max-trade-money 0
) h; s) y& E" W! A3 hforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
7 Y( s' e: }7 z$ R( \ W: j( z- ^0 Glet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
- l# p+ Q4 `9 {( y, e8 E7 ^$ S( }' m8 l Y0 T; p/ w
0 o' U+ e7 Z' A) d M' w- v
get-global-proportion
$ U- ?/ I4 V. ]' ~, K* Nlet trust-value3 G. R8 u+ o: d# q8 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)2 F, p3 a+ I' g& u8 h ~1 u& W& I1 G
if(trust-value > trade-trust-value)
, y; a- I) b% {3 T8 f! w: C[set trust-ok true]& q6 M" e/ ~, X& f; F
end! m6 L# H) k4 g9 Z
4 a0 q1 k3 a$ u5 c+ r8 O5 O% Dto get-global-proportion
+ R! g4 `2 G! Tifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3), @8 l7 P2 i2 l# Q- A# z) t f0 g
[set global-proportion 0]4 @# i4 `, s# O9 |
[let i 0
1 R s: l/ y( c- l$ T' ^- Dlet sum-money 0
; P, a2 O0 U3 l# v: v2 y: L9 `while[ i < people]) Z3 a8 ^5 e* I# l/ T( \: a3 C
[
9 o* j& z4 f1 h5 f8 y! a& ?; e, \if( length (item i0 s, a/ w# J* x$ R$ R
[trade-record-all] of customer) > 3 )7 f) T6 K/ p3 X7 F" z' t. }
[7 P, P. e; S# c+ P! n5 n
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
; n* H$ `+ l; q2 t! r: J1 C5 R]0 U9 U- n$ g5 e6 R$ p6 a/ j3 h* N
]
; k& m$ j1 b9 ~let j 0- `- U$ m! F* P' ]8 i& N
let note 07 ^8 |1 m2 D) Y2 H
while[ j < people]: F# ?, Q" U/ z( A1 \/ V0 R
[* F" E3 [; s7 H! y# J' g3 b
if( length (item i: M |# N: a- a
[trade-record-all] of customer) > 3 )
* ]( q; g+ X2 C9 k% p! V; f" S# I& L[7 x+ d# n3 ?1 A) [( x/ d3 n7 Y) i2 m
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
, E3 |- _( l1 ]- @" K, A[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
' p4 R3 N6 |6 |/ ` _3 Q[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
2 i, \- S; ^3 L]
- F: j8 |' G9 d6 S0 j1 w% P- \]
5 Z6 T, H: W* A' Hset global-proportion note
3 K9 [: _# q0 V4 m K7 w' k3 P. H]/ _. I( ?/ p6 ?8 A7 | E- o: M* h
end
' h3 Y& x1 `- p2 ?" v! X. z' k7 D2 n
9 O* W9 g o$ y$ Pto do-trade8 _ C" C5 d* M1 m u, R B3 z
;;这个过程实际上是给双方作出评价的过程- S* u4 O0 y- H+ [
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
/ T, V/ ?9 |4 hset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价( B1 \! L1 O- O. C. ]& J
set trade-record-current lput(timer) trade-record-current* u7 d, N, g) L
;;评价时间; o! y* S* A6 o9 |9 Q, f0 B0 z
ask myself [
. c: L( M0 R: L( s& }: k+ u$ j; [update-local-reputation3 {6 i3 ?+ O5 Y, V( U7 r5 S# A7 O
set trade-record-current lput([local-reputation] of myself) trade-record-current
( l& ^' X# Y) _' G% o) f]& `& _# w3 T/ B( W! V1 q6 e1 o
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself1 u6 R+ w$ n# O: ]6 p$ y; T
;;将此次交易的记录加入到trade-record-one中* e- X+ ^8 d. X( O; {3 J0 v, G7 I
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)4 Z% o% o" B" ]7 Y3 c7 E
let note (item 2 trade-record-current )
" ], P8 V9 g7 W- C6 a( Gset trade-record-current! X' S7 \5 F" J% m
(replace-item 2 trade-record-current (item 3 trade-record-current))
3 @) `0 N1 e* v- n% [& ?set trade-record-current! M7 W5 ]# u& c+ w8 i, |% u
(replace-item 3 trade-record-current note)
# _; l! r7 ^/ i, t9 L; _
/ J* R7 o: q! s
1 {6 `- Y$ n$ `0 D! L9 Vask customer [
0 G- T5 V) V4 J, Eupdate-local-reputation+ `) n3 H. Z6 P* p! p
set trade-record-current* D/ y7 R1 d* p1 M- g3 b
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
- ?7 _7 ]9 i% J8 []
( I% ^$ ~7 L y/ Y
( v, e. ?; H0 c; C
% _& u( M6 Z0 }$ \6 [! ^7 {( Rset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
5 i- @6 r% R3 w$ j, Y# C3 C# ?& u! e7 M* P
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 H7 i: ^2 z1 G
;;将此次交易的记录加入到customer的trade-record-all中
( l9 Y4 t; q6 J7 p2 k' P3 b- j2 M0 H% \end
" g5 L/ S! b f$ q& f0 p
& ^, Y. |" h/ r: sto update-local-reputation( m" Q. W% J; F8 z( m
set [trade-record-one-len] of myself length [trade-record-one] of myself+ z* c/ ?0 Y) I# n# U8 q1 k+ s6 O
% Z2 Q, E- k; B) h2 D
& {0 s. C6 r7 _+ I5 k/ t) @; };;if [trade-record-one-len] of myself > 3
1 Y6 ^- r- f7 V8 }9 ]) Yupdate-neighbor-total
* e+ O. F; i. I" i- c;;更新邻居节点的数目,在此进行
; k- s4 A% m/ Z4 ^( H* slet i 3
0 l) @5 x' e0 I) x u9 a; }3 F( y. m5 `let sum-time 0
% Y$ Z( j' ^6 l# D% D# Vwhile[i < [trade-record-one-len] of myself]
: k, z; j, L2 P" a, {[& w* X4 ~$ Y# ^/ a* Y
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! b" T# q+ D' N$ L! ~set i- G, [9 w1 \9 `$ D7 E! j/ `' c
( i + 1)2 R: E' b; F. H. T* r
]+ W6 Z& R$ \9 y9 Y4 D
let j 3
3 C. o, ~7 J6 Z& V7 L2 y' ~let sum-money 0
1 Q5 U6 R- t1 |while[j < [trade-record-one-len] of myself]
) N1 V$ z+ x4 |6 c[
9 e7 ]5 ?8 F" T, M$ Y# wset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)% n* L( }. W" N1 w h
set j
) m- L2 ]* B+ W+ j( j + 1), P. \7 K% W. P
]$ e" d8 |& Y* B2 x6 o% J7 z
let k 37 `1 r) C9 P8 d$ h) x
let power 0+ B( l6 C+ q, W3 u* K" w
let local 0
c, Y7 h; U# _4 a- I5 Iwhile [k <[trade-record-one-len] of myself]
- G& t8 q- m# ~5 s- ~* g3 |# n[& ^9 X7 m# {/ d4 w5 n" b9 c
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) : _% v# ?' V) ]$ s' H
set k (k + 1)
% M% V1 O5 L& u6 F. T]9 M/ c2 F5 r. F, b& F
set [local-reputation] of myself (local)
, I# M8 p3 _6 xend
& } |4 {- }- q. t& I. g+ d1 |1 n3 z$ x8 ~% i* l
to update-neighbor-total3 |% i- l l& K6 s1 Z
. m! M) H5 t1 Wif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]+ t1 I6 X* n2 j, _6 g; T6 y
+ \$ ` I0 b$ c& C
% {7 b, {* |; \$ H A! B
end
# R; [# u+ ~7 X# J/ m# A
4 K2 l4 h- Q# V" ]. a2 m' Yto update-credibility-ijl - t8 t( v1 A; ] F
6 f0 U0 S2 @7 l2 V;;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。
6 q( Y' S: R9 I( R8 X2 M: X5 ]let l 05 x/ X1 x% q* {! J
while[ l < people ]6 E% Y, l* l( w8 U. w& R. e) [8 ]
;;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
# F" S4 ]0 c0 s* t, I& V" i[
$ K0 ^& Y5 L$ s# H( j0 ?! Ulet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
1 z$ C, b7 \# C! t) B! n) tif (trade-record-one-j-l-len > 3). B6 ]; s2 G3 Y7 j* y3 D$ o
[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-one1 A/ F) w+ @9 X" i0 @
let i 3
, ?' c$ y$ I. Mlet sum-time 06 K, Q5 s% a* w5 ?# y i' V
while[i < trade-record-one-len]8 K( k4 P9 Q7 N" V
[/ ]& i6 D- }: Z+ j: p, V/ T& z& p$ Q
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
4 }/ F3 B+ [. Fset i
0 Q7 u* r; X1 R% N6 b9 ]3 z& b5 w: ?# W7 K( i + 1)
; q2 w. \. X, L9 `6 Q8 E0 Q0 D]
5 m: |) @% s% q S$ G, u2 G; Wlet credibility-i-j-l 0+ ~4 V: ]# L9 p, j$ i* L
;;i评价(j对jl的评价)3 Y/ [ X: O1 |: }: H4 ] P' N
let j 3
1 J* M' c6 {0 [ z* Plet k 4
6 p: |! S6 X% r; O$ iwhile[j < trade-record-one-len]% m' g2 W6 W5 _$ k
[0 B* W- B: S% W; H* u0 O2 d
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. ^( p/ w0 j) a1 G! 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)
+ G( M M5 g5 [# ^: ~/ jset j
! Y1 K1 I0 k1 ~( j + 1)
+ C: _5 x) k/ x4 |; @3 l], L: J7 ?4 @$ u) ~
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 ))
% C' a# ]- c7 i
; W, _. Q. W! [2 g7 N6 N' q; V6 }" |5 i( ?
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
, G, F m0 C- t4 v1 W y1 g; n+ ]. V;;及时更新i对l的评价质量的评价
, q1 g1 g% T. Eset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]- l+ S, m5 v+ r7 l$ G) x
set l (l + 1)
; C2 {2 A4 \3 g/ e5 s8 |+ z]- [. J+ @1 r- ?9 @
end0 {6 m Q" ^# l$ e# P2 U0 P
6 V# i( v1 c8 t) i
to update-credibility-list8 A; C" s& |) [
let i 0
; C8 e. \* x# m& X/ Fwhile[i < people]
) L' Q7 d6 }+ u4 J y6 N" R[
2 E+ N% P: f) `4 O& Mlet j 00 W1 U" U. n( |* u. Z& s3 i% ]
let note 0$ ?" F! w y! L; q
let k 0
) c8 q0 Z) p+ j$ x2 }" |& {! @$ {;;计作出过评价的邻居节点的数目
9 {1 s) Q# Q/ A/ gwhile[j < people]" H: |1 K8 D% D% B1 ^3 M2 q4 h
[4 r4 O! q; L$ q1 M! _) ^ b
if (item j( [credibility] of turtle (i + 1)) != -1)% d6 g+ j7 |+ G( r
;;判断是否给本turtle的评价质量做出过评价的节点
, R6 n4 Q$ Z+ _/ R[set note (note + item j ([credibility]of turtle (i + 1)))
; ]1 G. b0 K6 i9 N) m* O;;*(exp (-(people - 2)))/(people - 2))]
6 T m2 M& J9 G$ X9 ?5 a9 r6 mset k (k + 1)
, S9 E% \) O- A+ g]
+ _, v& s4 A, I3 D/ T- h4 c( y" f0 ~set j (j + 1)+ W3 f3 Y! o" ?9 _. p
]
6 K! W# s8 ]$ Z4 f# Aset note (note *(exp (- (1 / k)))/ k)
! j* M+ b! h2 x/ Yset credibility-list (replace-item i credibility-list note): z& d. W$ d! r
set i (i + 1)
% t' o. Q% v( q$ e d4 c]
- ~% c. e2 B0 }5 @$ \8 c zend
5 J3 d" w4 s' ]' Y. W
7 |+ Z1 l+ x$ w# w4 X4 b7 sto update-global-reputation-list
! V# F& w' b0 G% X+ }0 t* e$ `9 `+ hlet j 0
* h: ^, H, r# K; Swhile[j < people]
# w. G4 i; C8 s8 y0 d. R[( c# E6 A5 s9 a. F
let new 0
8 m: T/ E& {9 D; m# d, X* m$ F;;暂存新的一个全局声誉
6 n! f( U& I+ B3 Hlet i 0
# _7 o3 p% m0 G8 {let sum-money 0
" ]3 j' y. A/ X: ?let credibility-money 0) c# W" G; @1 A- L
while [i < people]/ Z( k8 z0 O/ J1 {% B6 l
[
: {+ k; D1 _# `7 t: _; F# Hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))( W2 c8 B. v0 u4 E
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)); d! B" H/ y/ E; i% ]1 x
set i (i + 1)+ i5 W6 x* v) u4 h" `$ ~
]
1 v' `& R6 q' F& wlet k 0
& v, c* b1 d; u5 z, Slet new1 0, \7 I3 O# @+ f
while [k < people]) z+ I: T% S; E# s$ G1 L. L
[
. }" e' G7 f6 e! B: `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)9 ]+ ^) V! g" m# B4 X! k6 g7 b2 A
set k (k + 1)
0 r7 ~ ~6 e7 x- S]
) F8 X: b' o% v) n6 Bset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
; H5 V; v6 X9 ^: \+ aset global-reputation-list (replace-item j global-reputation-list new)3 a' Q2 m3 R, `8 n
set j (j + 1)1 y. }& L& q8 _+ W- o
]& i9 R- v# e' V7 X! O
end: j: D" j _- }6 W/ w" ^
- \- o1 A8 @6 w. `. z* o/ ?# b" O2 N5 q! x
! n. B( {9 F E2 [to get-color! q; s0 |& K5 W6 r- ]
% @$ r3 M& B! F u( {; u! P( d0 @
set color blue
3 K% N& ^$ y6 X$ ~6 ~end+ H8 h( `* N/ |, z3 X5 [/ r
, F; Q& w% {% ^- N6 W7 x1 U( h) m4 Oto poll-class' F) \! j8 G5 o+ z; @) S
end
7 n8 U' O, Z5 q+ d5 s7 u x( a0 g! v4 V
to setup-plot1: b* l- e' n: S3 I' U/ n
% D4 X3 ]3 o6 m. s, O$ L
set-current-plot "Trends-of-Local-reputation"1 k8 F9 c+ J4 C$ s( w2 b
4 i- q3 R6 L- [) g% G( C. g/ @set-plot-x-range 0 xmax. T" D0 U/ q/ P
. u, }& {1 Z6 t; q/ O% v( Fset-plot-y-range 0.0 ymax
* F" Z% g& ` w1 U* aend$ s! a. V; ?; w. r7 @- n
9 N4 c- n( m1 G2 V% ito setup-plot2. |2 F( `4 @1 e) k
) C) Y7 _/ g( cset-current-plot "Trends-of-global-reputation"6 E5 f [ y; @, Y; i& }' y1 U
2 y; j9 _* P9 [- r( i4 e" yset-plot-x-range 0 xmax1 f7 ?0 D0 g4 ^$ F) x6 J3 h
& t. o+ p" x1 j7 y( |5 h
set-plot-y-range 0.0 ymax
; j6 ~- q9 p$ o/ T3 Qend" @6 q5 ?& Q) z5 u$ a
; W1 ?" Y: Y. e' T7 W
to setup-plot3
- u% k2 J% ]: w# c, b2 y ^) ?. U, \8 K# N5 B, F- n d
set-current-plot "Trends-of-credibility"
& M& U+ M/ r% ^% g$ D% u9 u1 b0 T" }0 G1 N
set-plot-x-range 0 xmax
" K. ]5 a0 @8 y6 X# B7 ~# Q# H" Z. J% G/ L/ x& E5 ~8 N" [
set-plot-y-range 0.0 ymax$ J" J9 P4 l# W+ A
end
, _& u2 ~2 ^ e; g' L- J% A: ^
to do-plots
% H. Z7 ^$ Z9 Y3 l, F/ C uset-current-plot "Trends-of-Local-reputation"
. W" Y/ l% h4 { E0 N- t9 jset-current-plot-pen "Honest service"
7 Y1 q `$ t# K5 f; Lend
5 o! v' i. z: l' G; A, u# p& J
& p% t8 R q* l0 Z[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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