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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. p6 b2 R3 v! O) X, I$ v4 C5 u1 Y
globals[
* R0 m) f) g* K* Q& D0 hxmax
* @4 {+ D+ X$ V9 Symax
F! E. s3 e; x3 @. l$ Uglobal-reputation-list0 _0 Y3 D/ v3 m
& f7 w7 j. U1 ^' F5 w;;每一个turtle的全局声誉都存在此LIST中
( y4 L/ {" F8 J5 j% @credibility-list6 X. ?+ }5 z# N" P. |2 M
;;每一个turtle的评价可信度( C% F3 k k! U
honest-service
% D; i* w6 x/ u; e3 q. ^1 `unhonest-service
2 S; M; L! {) o \oscillation
3 o8 a9 N( ]- N/ ]1 orand-dynamic
$ v1 `7 q" ?8 B3 c]( }0 O; b% g4 W& q/ ^; C1 a% F
) ]$ x( n6 s3 ?turtles-own[5 u- I! k b6 _- X1 k* G7 y
trade-record-all
' k5 s- B$ d, b! E$ C& j# Z;;a list of lists,由trade-record-one组成
- D5 k, C5 z( k) Ntrade-record-one4 p @" |% ^* h* U
;;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% A5 D( ]; ]7 S
4 m0 B, q8 \8 y( `& E* Z;;[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]]. J, G4 j2 |: O8 L- {
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]
$ W0 N# r% H. Y }; z$ b: ncredibility-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list4 x! q" T$ r9 E. p4 f6 R' x, F: U
neighbor-total
; T* n \3 T( H+ j' u# C;;记录该turtle的邻居节点的数目
: T+ K8 x+ @/ t# W4 dtrade-time
( e/ @# l+ A$ S, Z* Q;;当前发生交易的turtle的交易时间
4 r; ^8 O/ e9 e l% _- u; @; mappraise-give
! E2 W |% u. Y;;当前发生交易时给出的评价
$ p# Y) D9 o+ v& Z9 _appraise-receive0 |6 b& @8 Q6 S8 z. d9 d N
;;当前发生交易时收到的评价
1 \, q8 X/ `$ `- dappraise-time
/ O* u) ^6 L" z9 b8 ?;;当前发生交易时的评价时间7 j% t) E9 I: n6 ?" W
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
* Z$ A3 F! A9 t7 |2 ?$ t/ r* F, O6 vtrade-times-total
|9 D3 h& j- }( _;;与当前turtle的交易总次数
# b2 t h2 Y5 S, Y; utrade-money-total5 c, A# i6 v/ t9 O) H
;;与当前turtle的交易总金额* c; i+ X% V0 k9 o
local-reputation
3 ~; p) r/ \- H+ \/ Y3 f8 O. fglobal-reputation, m& j% Q/ j9 _* w
credibility3 u3 q) u& Q. m% ~) b/ l2 g
;;评价可信度,每次交易后都需要更新
5 M. R: ]: \/ n& I9 u6 \, qcredibility-all
( D/ g z3 L3 F* j0 r+ ~- u/ b;;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
& f2 Y+ A8 ~! h- ~$ \6 v$ q' V6 h
;;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
. g0 z" @7 u# A/ |credibility-one9 U: y* B. F0 N
;;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
* I/ d2 i( I' Tglobal-proportion& X8 u/ y" ^% o) f/ ]1 _& z
customer
1 i2 q% m0 M; X9 {5 Acustomer-no) v* J! g# ?( c7 M3 w- _8 l8 j
trust-ok, j/ O4 U- L8 s. U8 d
trade-record-one-len;;trade-record-one的长度$ D/ U+ z* l" ~" Z: w* {; T
]9 H! S+ [- M% h2 |
4 X) i' m2 U" }$ p) B b6 R m;;setup procedure
, N$ \" M& \ r* _5 @( {
* ~: ]8 o" m7 _! [to setup3 S6 G1 L" S) a4 i: H2 Z$ L) d! L
( S- j) q! u. \* I
ca
l4 H" B9 v' U8 A2 i; H" R1 p3 i
. k6 c, u% o1 ]0 G, Uinitialize-settings
l7 D/ Y6 P9 ?- a; a' u
! g2 ?! g' a% s( mcrt people [setup-turtles]( n/ U z ?1 ^; v# K8 m5 q, A
, ?/ j. d V3 a. ^) ]- P4 r* m
reset-timer
6 T! X& {: {# ~' M ]2 ^! f9 ]! {: b: L4 @& v* b
poll-class
7 n- [6 p" o, D( @9 l3 T7 z* c1 P$ q& m' C9 o' ?
setup-plots
2 ?9 ^6 z! Q: W7 G K( v) S+ P5 B" Y' n7 `3 F
do-plots
% S/ z& u6 P; b8 |- Lend
" f8 A4 e- Y" }9 G3 F; c( @) l9 x- p. Y" B4 u
to initialize-settings
, I/ H6 c/ \% o: v/ W8 s8 m3 w+ G7 ?8 n2 D/ T& e8 o/ s }
set global-reputation-list []6 S. d% v# b) C; I
* {" R. f" x1 }- v$ u# `! Xset credibility-list n-values people [0.5]' N/ [ j1 j9 v- I
& ^# ^7 @' \. s! U! Z& e1 d0 G
set honest-service 06 |; |, X1 s8 B. ]# k
- h7 O* g' d s7 _$ {# A" y; }" ^
set unhonest-service 0
. G( c/ `/ P! y& b" @* ^0 X Q! Y3 i
set oscillation 02 F! {# [0 y) s
% N( S6 ?4 {8 z. |( tset rand-dynamic 0
: A. Z. l$ j% E( b9 o; e5 m( c& @end% F! O- L- m$ l, _+ B+ J; X2 r2 F# L$ H
% j ]+ \) w7 t
to setup-turtles $ _' V$ r5 T! C) N2 P9 r E2 v
set shape "person"
% V- C- `7 V. msetxy random-xcor random-ycor
# v0 V; E% k# F( n a+ A* m. Iset trade-record-one []' I1 y% ^0 k" Q& l" r( k
. D7 V( q$ G, t# v+ z( Vset trade-record-all n-values people [(list (? + 1) 0 0)] + ~' K( R8 z2 `# x8 v) `% S& e* i
% @& O( V' j, L: g
set trade-record-current []* ~- y6 T- S+ ?, r" d( R) U$ H- {6 I
set credibility-receive []/ ?2 ]2 [/ Y; C4 X! e5 }5 k
set local-reputation 0.50 X4 ?. x% |8 `9 k* x: `
set neighbor-total 0
4 [) J: ~- g& Hset trade-times-total 0
. x9 L8 h6 {. _6 L2 I: x% e3 |+ Cset trade-money-total 08 u8 j3 w; k9 r/ m; m1 p
set customer nobody6 H* x* @: n( i% v4 O; P& f/ ^. f: W
set credibility-all n-values people [creat-credibility]
]% W% l5 ]5 e* Gset credibility n-values people [-1]
( K- N9 G a$ [$ m: M0 T4 V8 mget-color
5 o3 M# \" L% ~& \% A
e3 \3 d1 U4 {4 Xend8 u$ H8 ?, h% R7 @2 f, Y( s
: D3 p# B4 c1 J/ {, u" rto-report creat-credibility
$ y' ]* q4 }( ]" `2 W* Ireport n-values people [0.5]6 o: M# J$ ~0 T N; ~- k
end( M5 @: w- ]+ h' H+ v W7 q
$ W# r" J. y( D
to setup-plots$ c2 p1 Y Q" A4 C; K3 U
* Z! Q0 M) R1 r3 |) A1 e
set xmax 30/ [7 \" h9 k6 _+ [! t) c7 x# f8 b1 J
0 O6 n/ o9 f2 h- A! w: L; H7 i" C
set ymax 1.0* P+ j+ l4 e$ i/ M* |# e# T
# j. P, ^' f7 K1 c# z* q& D$ lclear-all-plots
+ n: c& ~3 |( U6 L+ a& }4 G) O4 j4 v7 l; M5 }. b
setup-plot1/ T# z+ a' N9 C
7 X) ]& W8 w, r* B9 Msetup-plot2# r x* }$ E0 r, o" R' H
8 C K B' P! bsetup-plot3
: s" F; `+ x" d5 y/ W9 }' {end' [# N3 }* V6 [: J( G) \) l A! ` j
9 n2 c1 ^* ]5 L$ b- L;;run time procedures+ f: d; z! P' ~6 n( B
3 l' Y! ^; Z3 V; Ito go
4 Z. M" t; B: D$ t M3 S. K; M
! R$ a8 z4 w# I3 c# E, ?& mask turtles [do-business]4 r1 O- R/ l1 _, r2 t+ o% |$ x
end
6 D* e/ u& A* R. f4 F# G1 n: o- V' s4 n# Y
to do-business % Y+ {. D: i7 W. x
! R2 f* L/ h% j2 L2 @
% l# ~5 z6 I8 i$ ?" f( Ert random 360
3 \' I7 T* |, ?* y* s9 U$ j) D* ~- C3 e4 a' h6 N
fd 19 m8 X4 c" `! K% z. P' @. b" J' \
: z8 r. E" E: P9 \
ifelse(other turtles-here != nobody)[6 T0 T! V/ c' v, y) E7 K6 c1 r" U
- Z4 i F( ]* y+ [3 n5 }1 Zset customer one-of other turtles-here
3 i3 m4 s- a/ }) w! a# c L) a% }" p- {! ?8 i* s
;; set [customer] of customer myself
0 o2 [, ]( a ~# W% N6 |2 X6 H9 |
; V$ {4 t6 F1 V! F; x. H! |3 xset [trade-record-one] of self item (([who] of customer) - 1)
" M4 e. G8 |/ M( D9 e[trade-record-all]of self' b; g( |/ r F6 H
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self, L9 f1 d8 l! n2 V
* F5 |8 U; _8 I" gset [trade-record-one] of customer item (([who] of self) - 1)
! [* ~( ?* {" Q: m[trade-record-all]of customer4 X) ~( f- K$ ~9 I
% u/ p, f9 U8 S7 v7 p7 jset [trade-record-one-len] of self length [trade-record-one] of self
# C/ x2 H5 q7 J3 ^% Q" U% x+ }! b' D9 C# c
set trade-record-current( list (timer) (random money-upper-limit))( Q/ r# c# A) d' P' d1 w
\; x; J j% w% j
ask self [do-trust]! a, ^& Z, u" M8 N3 D
;;先求i对j的信任度
( r' h& F4 q" j, E! i( p! N* \" P
if ([trust-ok] of self)7 H8 g4 P2 E! ^3 M a
;;根据i对j的信任度来决定是否与j进行交易[" N) v9 j/ ?" C% W; X
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
e9 }/ b! M l- L8 g f3 ?' R; K6 T% c+ S) B+ N$ i r0 s! K
[
0 P& G; p. m( K5 t' L! H4 L5 `! }2 Z4 k8 x; ]: ?- S% X
do-trade2 ~6 f( V: b8 P+ r
. s, c4 T$ N* t/ \8 |. W. k) V
update-credibility-ijl( H; B7 c" s6 J, a2 L' Y
, }4 H9 x. E( O) W
update-credibility-list1 ]: W3 R/ B! b( X ~2 m
. V% |% i* q6 d+ w) A
' W! A: o5 V% Z) Cupdate-global-reputation-list A4 u4 l2 O) W% Z3 ?1 l `* M* T
3 c7 v! j9 w+ ]; z$ ipoll-class* J/ E0 m2 L( U) p4 ]" T! n
$ a" Y/ L3 u: A0 \1 n9 Aget-color
2 Y& u: Q- h2 z1 x3 ?/ r* y/ [: ?: N9 y j, W" @6 B9 R# @
]]4 k, s6 t1 ]2 j- O# r
; f$ i! s+ v/ F: d8 C$ l
;;如果所得的信任度满足条件,则进行交易: ~/ n B* G% f/ e; f
3 T2 h* B Y$ ^9 s' \, L" Y[) g3 n3 O: I- `& a0 p. m; o
) N. J$ P+ ]9 y; W) w* O' t, ]
rt random 360/ i- ] U3 i# f+ m1 F
. g) O2 P: M* F9 h+ pfd 1& e0 N8 ^- J5 g7 |0 J5 m
: f; O2 ?0 M" h3 G
]
4 I$ L6 d1 I7 c" O% E; G+ d/ ], V3 ~$ C" B( Y- M; k y
end
% D7 n6 u$ u1 `9 O) N- c) s9 S* y7 c: x9 l* f H1 D% D
to do-trust r8 m- R: j' N3 ^3 w
set trust-ok False
+ I- s+ [; E- K
8 X& k/ Q. H0 M* }$ D7 R5 P4 I
# J0 ?) }, h2 l6 r" R2 W: Alet max-trade-times 05 k1 R% t0 _* c5 d% I! ]% o1 w
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]8 a- Q6 `0 G' ?( z! l0 P
let max-trade-money 0
$ w& r" t# }( D/ |9 jforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]% ]9 w7 e! l' r! I) u2 O) q/ m
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
4 {0 o+ q' g3 m& `2 p' k" l0 b/ e- p+ ^# [
6 q- E9 h) [# ~, ]& {% W
get-global-proportion
! [6 J' }9 ^& D8 t: O: t6 v3 Nlet trust-value
8 e- I/ H( N/ @1 F! ?! [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)' j- x. \* S- P! T; ] D1 g. `
if(trust-value > trade-trust-value)
, T$ V% }! x( }/ a8 }[set trust-ok true]: G) ?) V/ e6 x* d# A$ I6 P
end- ?# }4 [! K: @1 U3 {2 N
+ o8 e$ z8 H$ {5 f; P3 }+ @% {1 `, _to get-global-proportion8 k7 Y# }1 D* G. E5 ^! U6 m0 l
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
6 n+ ^5 r0 D* c* b[set global-proportion 0]
+ D# @; b. _5 { G" a# m4 Y[let i 0
/ O& l3 M& a: y' A/ llet sum-money 0
: B) t$ y) Z( z" g/ [2 N: Y0 ~* a" Twhile[ i < people]
0 @& h$ }/ c8 G) `, l[
9 |0 A4 D3 P5 y r2 M/ B3 Mif( length (item i
4 ?% a* H" y+ e; w- _[trade-record-all] of customer) > 3 )
9 U' x/ ^2 q1 ]. M- r6 \5 s[% Q. \8 K$ M2 U* g! L
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
C$ Y7 F- t* ^* i8 b# @6 P]
. e; b: f8 [9 T+ q0 B% Q/ B]) U; k, }1 b; a3 r
let j 0
! j( h* t& D# r$ h5 [8 a: |2 C2 Xlet note 0
% B) d- ?: ?2 o. Wwhile[ j < people]
, g3 W" C c- L& I( J[
! H- @& X/ x6 q( T& x& vif( length (item i# }. K3 P6 U6 a0 i; |
[trade-record-all] of customer) > 3 )* \2 p' V w" M. H4 N
[) q8 z, X" ?0 a5 A
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)( X# c" z2 r: j
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], r5 W3 I( s6 |
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
) f1 s$ b4 S2 u, _]
/ F% Z$ g0 d2 `: w% e]% T, j! O$ f5 H7 u4 u
set global-proportion note
1 I* P* B+ v+ \4 g" `4 G g! p]
; ?3 H4 F; Z! ?- @end) S7 T# U; A6 a& i" G! @7 E
, O1 h* P& R8 e7 d
to do-trade( w, P( B. s' y) t5 T4 l
;;这个过程实际上是给双方作出评价的过程
& a" B5 ~+ e7 [8 p7 m( Dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
1 I( I |6 `. h! `8 Q# j* Kset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
2 v6 ^$ y. x2 `/ Q7 t% Y' g6 v$ f" D5 Bset trade-record-current lput(timer) trade-record-current T- }: B1 E8 \, e" U' f7 U
;;评价时间9 `: v7 C; @" A/ i8 C1 F8 |
ask myself [
0 P1 \& c. R' T# y l8 Y9 D; lupdate-local-reputation2 I# R% w0 G% f* U
set trade-record-current lput([local-reputation] of myself) trade-record-current& d# i$ ~6 t+ I) p' o
]
5 @: c) O( a# N+ l! {5 Tset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself# M, {, E* c3 y$ m( P
;;将此次交易的记录加入到trade-record-one中
2 t: u4 w6 [' R9 m" E+ w, U. _set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
/ f( O& z# k$ @; \5 ylet note (item 2 trade-record-current )
* V3 b7 {3 {1 o2 |4 Oset trade-record-current
6 A& H* [. O8 [# G(replace-item 2 trade-record-current (item 3 trade-record-current))
9 C# z4 k9 a9 Zset trade-record-current
7 ?- d" ^) a0 g: G6 T% q/ x$ u4 F(replace-item 3 trade-record-current note)) Q& A5 ~9 o5 ]0 ^$ n: [
/ r8 x4 l; S7 _# f) n
2 c7 k2 ?9 D* E; M# b2 oask customer [
2 u+ Y$ |" Q8 E' d: V' F; A! ^! @update-local-reputation
2 s9 o. s/ A& q: a3 Y7 \" B1 v; u! Yset trade-record-current! [/ n% z0 d' R$ c
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) * R9 R' r& X, J/ j1 k4 s. f
]; l3 T7 Q* C# U" G& j
_: Y# ~) m: k. ?1 u7 C4 O( V
E U1 i5 [/ r1 U2 xset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer* I- F+ a: K& |! j+ O: W8 e5 g
: H& z' A% i1 p, O. c
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
4 b# m& d$ W" W;;将此次交易的记录加入到customer的trade-record-all中% \6 z0 U, W5 a( K+ k! z
end5 @8 \* j. b0 I, X- _( v. J
5 ^% r2 {* W" n7 P
to update-local-reputation
! J1 ~' x% S/ o8 j; D/ D3 E9 S% cset [trade-record-one-len] of myself length [trade-record-one] of myself6 E7 O Z/ X& j5 c; B
) E! V5 _+ I/ X* ~( T8 q8 N7 p& Y! ?+ g! H& o" G
;;if [trade-record-one-len] of myself > 3
0 X8 v5 F& L" b& E9 G8 {update-neighbor-total, @' y8 C0 @ D& v& E1 a
;;更新邻居节点的数目,在此进行
9 \4 L4 d M% R! ?$ g$ blet i 3 g9 ]3 t$ v; s1 s+ I
let sum-time 0 Q/ Y: ^5 G4 Y" V$ R; L; J
while[i < [trade-record-one-len] of myself]
, I, l a9 I6 p: Q5 C[9 N6 I" ]2 J; u5 c8 D8 f' \
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )& N6 Y0 T3 N0 C) V' c9 n _; Q
set i
6 s4 b5 k, j, P" j/ Q$ I, h( i + 1): `7 k" w$ X Y! ~: f! k n
]
% X. |. i5 K$ Q, ]+ Tlet j 3, z! s$ I9 \4 Q# b6 H3 W
let sum-money 0
2 } M7 e- P3 Pwhile[j < [trade-record-one-len] of myself]5 S6 i; I7 t/ L
[9 w V6 H8 G. f+ l
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)# Q6 H3 C' i, n
set j
- p" w% |2 O$ l( Q5 [/ d( j + 1)! l; I; y6 W$ H4 ^
]
2 w7 k8 l" ?% ?let k 3
N' `/ u1 z3 z* e# e1 `1 v& X& l0 ^let power 0
2 m" a; T& z( S6 E. H# {( Olet local 0
7 I* M7 ~8 V4 Q# G+ iwhile [k <[trade-record-one-len] of myself]
4 ?5 B4 `3 e" Y# V2 ~' R[
7 t" F& Y, R6 P2 Iset 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) 6 y# q# l$ {# d H) h1 w
set k (k + 1). k& _. K0 i7 [( q x7 J
]
8 p3 z7 E7 z# ~0 {5 Wset [local-reputation] of myself (local)5 G/ v/ Y2 d! G6 v
end7 P2 T+ @( _: m+ C9 O! O6 j
8 j; b% x3 k$ M- e* g2 B
to update-neighbor-total0 b! M1 b! I' ]0 ^) J
5 y% f4 l+ Y, L. Wif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]/ v; U! x- C! o1 F( e2 p3 K
8 F) a2 V5 d: X9 a* Y% W8 q
6 [" W$ o7 F# P. `3 xend2 r6 P- M4 a y9 |, [4 i: i
' P1 n1 e% K" j7 k( E3 Z
to update-credibility-ijl / I. E Y4 t7 G' R: b1 @4 {& |
5 S+ p, c$ H: D( H' G% |
;;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。
4 F7 i7 x& W2 i$ \) Alet l 0
* c0 I+ M4 `( D' p' Ywhile[ l < people ]
. [0 T& a6 ?; S& I/ e/ G;;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; g: X! _; u
[
2 Y7 x' w: A( b+ X& o2 ylet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
* Q/ [! \9 N2 Y9 z' }4 B$ ~; E! {& {if (trade-record-one-j-l-len > 3)9 g3 I' X* u4 j, |
[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" A- n0 _" V4 |# L, @
let i 3! Q. i. e7 h2 O; J6 [% [
let sum-time 0
5 {2 T) K* I: a0 @( O8 ?# kwhile[i < trade-record-one-len]
# }8 m% l; v ]8 ~ r[0 a9 s( D% U: _ C: Y$ |6 B
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )4 F! h. T0 H4 k Y; D1 O
set i
0 \) K5 ^2 H$ z9 j( i + 1). i ]4 h; c$ I, a
]
/ f- P: n: }5 Z, ]% {let credibility-i-j-l 0
" U1 E- |0 m- r' Y5 |;;i评价(j对jl的评价)3 j% {. S* o$ ?% T3 p. j, z( X4 _( r
let j 3" }& i& g5 z$ f1 Z, }# f
let k 4
6 }9 s8 s# _4 S: e' Swhile[j < trade-record-one-len]1 \( X) f+ W! S3 @7 C q
[
8 u( S1 w; A! ?$ wwhile [((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
. @5 m6 W, S8 K& dset 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)
, S! ~2 K! Q) d7 R% c# ~$ H9 {2 wset j
- d4 j* \0 |) t7 m7 r( j + 1)
S. W S s. p]
& K, \$ S( n, A: Fset [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 )); r! @! R. \/ K( B. Q* c- x J: B
0 z& J: L' @- j* {" }& N
0 v6 y6 S6 l. T' ?7 plet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
e& k9 u/ r$ \. _% z/ M1 K5 E;;及时更新i对l的评价质量的评价
/ b7 d5 B* A0 K i! O4 O" Kset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]# z& |( |% ]- X; S) F0 @, x
set l (l + 1)' Q; A$ y2 H+ y
]
6 i. Q1 `9 `8 M7 T7 T+ Y' Cend
3 c1 y7 }; r% ^: {) K1 V# O7 o5 ~: b$ p3 N- a$ ^ h- M
to update-credibility-list
Q% }9 f# t( z6 Y* k blet i 0% ^& z6 b7 P \
while[i < people]
9 O+ Y6 h* n" g7 z- ^[& z& y) n; T3 `; G. [3 o$ R3 f
let j 0$ w- \# a# @3 N) v
let note 06 A. Y6 }, \% {: u' i W* @
let k 0
& g6 K# x" N+ R, h;;计作出过评价的邻居节点的数目
% V& R& n6 Y; _9 v6 }3 p# }while[j < people]8 |/ Y; V( k0 c* ^* P" m1 F: h
[' N5 y; `0 ?3 f# ~
if (item j( [credibility] of turtle (i + 1)) != -1)5 g. v8 a" \( w' {6 R1 C: Q% b$ l
;;判断是否给本turtle的评价质量做出过评价的节点: m' K, c' G. Z2 w% i( R
[set note (note + item j ([credibility]of turtle (i + 1)))
3 r7 R) O& M5 b7 r* s, \;;*(exp (-(people - 2)))/(people - 2))]
3 c! Q3 r h. ^6 y- g } ^set k (k + 1)) ^3 d0 n, z* R. i( u
]
5 q, K- O7 l+ gset j (j + 1)& b8 C- ?5 Q( h
]+ o: O @! L( M! B
set note (note *(exp (- (1 / k)))/ k)
, c. J6 T+ O4 a3 S" {set credibility-list (replace-item i credibility-list note)# \3 X5 a5 m! w# R0 A
set i (i + 1)
* ^% h* z% u8 d3 k] g$ D% c5 G2 y4 f g
end
2 _% C* e$ D3 J+ N; d( C! U3 k4 q- |
to update-global-reputation-list
- P# C. c8 w* Z* Z* h1 X* ilet j 0
" c: b# S5 V* X# }# @5 g! b$ ewhile[j < people], r2 O9 E) A' s( b
[
4 z0 K+ T3 z0 i4 Blet new 0
! S& j/ s$ [; @0 F+ Y;;暂存新的一个全局声誉
1 o- I, s F) ]+ Z* Ulet i 0
3 Z$ i* }' S# {) ^let sum-money 0* X2 q# n6 `' ^2 y# t
let credibility-money 0
* b8 n! {2 e% j0 Cwhile [i < people]
/ F3 F3 _- i! r2 U% _1 T[- s3 a' P+ {$ s% B3 b5 K9 W
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
# E/ f& Y- l' y$ y5 sset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))7 n: C" ^) u& J# Q
set i (i + 1)2 s0 J0 q; \4 v0 J
]
( v: ?4 u$ H' E' o% W4 Qlet k 0. O$ \* V. w1 I4 {7 q' S
let new1 0
7 ^; z2 c Q* F I$ q4 Q( _while [k < people] c& M+ L" Y. C2 o
[
. {* `2 v9 M7 k' {$ G& lset new1 (new1 + (item k credibility-list)* item 2(item k [trade-record-all] of turtle (j + 1))* (item 5 (last (item k [trade-record-all] of turtle(j + 1)))) / credibility-money)5 f9 l6 }! W; r7 u1 O5 r: R
set k (k + 1)6 U" t) n, X+ m5 t \5 G
]
0 }% E4 n9 \) y1 Jset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) . M4 g$ @' v- O& B5 q
set global-reputation-list (replace-item j global-reputation-list new)
5 K, _6 S1 V2 S! ~% Jset j (j + 1)9 ]7 d. |# t( q
]
" U! e. z. C3 Y- q% ~, Qend# o& n! O% b, B2 `
/ {! N1 X. C( B9 g- n
! T) [1 g7 x7 x' i- w9 ~2 z) W
( d* I3 B6 O7 R# dto get-color
! C& G$ q6 m: k9 P) B% h7 G
, }- [, M8 c2 g _# ~. A& o. y4 S Sset color blue6 \: j8 w7 j* V0 k: m; F! S3 V% s
end. j/ w$ Y) c1 W. F( m# t( k
; \7 x2 p5 u5 i" L h. y
to poll-class
, u3 g+ R5 [: m* ^! n; Vend
; Z9 J# U5 h8 f D+ e
- K( U, b( p/ B6 i2 i" ~" U B: kto setup-plot1
/ H8 }3 e3 i$ h
7 p% O+ e( W' Oset-current-plot "Trends-of-Local-reputation"
2 P9 f/ Q4 L% D
# K9 F" i3 @2 L. c7 g' Lset-plot-x-range 0 xmax6 u2 ?1 X& J1 d+ `# J m
( I( z4 T" M; S9 f( Zset-plot-y-range 0.0 ymax
! e( T1 |8 M$ ~! V6 r9 K+ Fend
. V0 g5 y+ }9 t5 o; h+ \
5 b6 K- n3 L( t Z! t- ^2 C/ |/ c! d7 lto setup-plot2
& T5 ]0 K9 f$ d, r3 O5 h8 {: Z. E9 b
! s t& \% n* k- X7 c$ wset-current-plot "Trends-of-global-reputation"& o4 [0 l" e5 h' P
, _# y2 z6 z% C+ R% ~2 v f
set-plot-x-range 0 xmax
1 _# a/ J9 x4 B$ w
) [ U. V3 C. A. \! gset-plot-y-range 0.0 ymax
, E+ g0 k0 ]3 ]- v; |' Wend! ] |0 `( d; C; ], _& m, T
. j* ]! E6 ]: Y7 z$ w" |
to setup-plot3- K* v" z. g7 {6 M
: i9 C8 ]7 E# F: e. O
set-current-plot "Trends-of-credibility"& V& o6 O* e; q6 z
& O9 N! R$ H. }! _' H2 V( aset-plot-x-range 0 xmax
- X7 h% W" G9 e! Z
# {! T/ l2 X8 I. Y9 @8 Pset-plot-y-range 0.0 ymax
+ U6 Q8 |5 i( B& T. Mend, }6 t- a' c0 J" S
l j" K f, X M" I
to do-plots6 o4 I, p5 l3 p9 T/ n6 Q0 K d
set-current-plot "Trends-of-Local-reputation"7 a; U) F, |/ I& b4 Q
set-current-plot-pen "Honest service"; x" O" t9 B* o( Q. _% d
end! V @4 J9 c; F7 C" b. p- S$ y
% i8 Y' `, H' s/ u, |" K: ^) K; v; g[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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