|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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; ^' F3 I) J$ X4 M
globals[
/ r. E5 D7 a3 d& w; \. Fxmax
1 D9 c/ s3 X: Y Pymax8 {1 b, G' ?3 n: q3 @
global-reputation-list
- \6 t% K* z% `9 [' @3 R0 d2 Z5 k5 _: j
;;每一个turtle的全局声誉都存在此LIST中
% D& j5 u" p) Jcredibility-list5 z& `" Q$ `* ~( Y: x1 N
;;每一个turtle的评价可信度
9 X2 P* K7 a( j. }/ Ihonest-service
$ u4 o" z( _0 ]. [4 runhonest-service- u. A% ^% N" ?0 S
oscillation; W- q |6 j, R
rand-dynamic
2 x3 Z! j; _; W]
7 O+ V5 O: ?* S3 v- }& V- t/ | \1 a) Q3 O& ^
turtles-own[
$ ]" w) |: f; m# b( N, X' mtrade-record-all
* s8 W* W/ n, J4 F2 @;;a list of lists,由trade-record-one组成
7 P: F' t7 m* xtrade-record-one# }, a5 T8 P- R; n: y7 X
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录3 |! x) e8 [! y. W5 ?3 ?
# X8 h# w% C' E' j; A- a7 b& A! n
;;[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 k' g$ ` V. _2 ?* T8 I3 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]
% u; J& k8 @. K/ 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list0 J1 w" t6 Z1 T; X2 Q/ G7 [
neighbor-total
' Q5 T% T8 ?) a& s) u" C' V;;记录该turtle的邻居节点的数目
( a0 a% X0 P$ k; L2 }+ ]. ftrade-time/ x: x) C4 W, f6 o, \, @
;;当前发生交易的turtle的交易时间+ X2 [- S+ `# _+ P4 V B f
appraise-give) X" N: R; b/ f- G' Q
;;当前发生交易时给出的评价
1 h# D6 s P/ {0 u' }) Pappraise-receive
( M) F! s# {% l% w+ i;;当前发生交易时收到的评价: i$ T `' S4 U+ `* X
appraise-time
5 m0 e5 ]" Y( h5 ~2 s, c;;当前发生交易时的评价时间+ k0 ~: C% y* _! F
local-reputation-now;;此次交易后相对于对方turtle的局部声誉: w( S9 N7 D4 _# p3 o7 k6 J
trade-times-total x$ P; E; c5 _; @
;;与当前turtle的交易总次数
- [5 W" \" e5 ?( _4 }: |( Ztrade-money-total
3 s. w; [# L# M1 a; @2 B;;与当前turtle的交易总金额
* e8 [6 [3 G* v! n% V7 rlocal-reputation- Z3 p# i" n/ ?, H0 b9 M' z
global-reputation
" w6 u9 {9 Q/ D, w0 O3 Tcredibility$ n {. n" ^6 v# \
;;评价可信度,每次交易后都需要更新 i, ^- P$ G) b$ }2 t
credibility-all
6 P7 ~- K0 [" @( l; ]& g7 ~;;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
6 @& |( T) U4 f. v' l! a7 T3 }' I
. ~9 _5 a7 O2 R1 w" l7 M' C% p;;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
! ?7 D, {6 w, s) i3 V% L2 Q% |9 ]credibility-one
; V( o1 Z1 i; h- ]) K* s;;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
8 R# U, m8 ]4 ?3 Nglobal-proportion
2 I8 h; @0 b, u* Dcustomer
' _/ b4 p0 }! @7 Mcustomer-no
6 q, S$ p; k4 x7 ^6 D8 b& n! @trust-ok* K$ D" ~. ?4 U0 k v
trade-record-one-len;;trade-record-one的长度) n% T' i/ d4 u( ^
], v+ p3 \/ J5 a- O. e* I) y* D) d
' X" O: ^' y& K: K: `$ Y
;;setup procedure
& X. Z m! y) V( m2 g) k/ o$ M) P% N% | y
to setup) O1 N- F- K$ P! W5 Y' P
. @0 I+ t+ P1 X: @7 Yca
: b u8 P2 a8 H) _4 U: H8 a* D+ e' ?
initialize-settings
% h9 O( r* [. n% s
4 [' @7 @- x ]$ Ocrt people [setup-turtles]. Z+ d% z. e! Q. E. b y8 A+ z& D
* r8 w+ V% Q1 ?+ J) D
reset-timer5 F! ]( S. L/ Q. w' {/ ]
0 g2 C9 Z, B% s/ T, H; o
poll-class6 f" T9 i5 k3 h; C* q( [* u
3 L* ] {. Z" o
setup-plots4 G& s- {! ~* l6 J" t2 g4 A# g
' b O6 Z: ^8 F6 N4 P1 n3 o" h, B
do-plots
6 s9 N! a. \! l6 H0 Mend
( h0 P" ?1 [. R0 w. Z+ K" _
5 D* `- {& {+ N. z- u' jto initialize-settings2 g' S) @6 y! {. M U' f3 Q- j+ A
! u2 u, [3 B5 x" a) i4 F8 Tset global-reputation-list []
4 ]! a3 W1 L: H& Y- m' p- ]: K9 V$ J
set credibility-list n-values people [0.5], _3 V' G5 Y( c$ n1 ?, J
- f! b& y% D" t. ]3 \
set honest-service 0
* j( O5 \/ j( W8 `* L* t
5 S5 n9 e- J0 P+ B7 ?set unhonest-service 0
( F5 _9 U6 H' T' z. M) S, w5 o
& \$ |; @+ o$ q- S: v2 I4 Nset oscillation 0
: Y; {. S0 \- V% _$ C" m+ `& C: S8 z5 {' X' c
set rand-dynamic 08 H9 a/ d8 I* w( H7 d8 Y/ V
end0 g, s( m5 L9 b" M
; |, Y) T9 V6 A1 V1 j3 G% P
to setup-turtles
8 H! W6 T% y" S, E5 Y, ~set shape "person". z, E! q& x1 G( A' R
setxy random-xcor random-ycor' W! r+ R* X+ N( D% F
set trade-record-one []% U8 E+ j- o) @# Y" i( p M
# u6 x0 a8 X& i/ ]4 _
set trade-record-all n-values people [(list (? + 1) 0 0)] % e9 i# t7 ]6 u3 p7 L/ E
/ S/ C1 t9 _, f) a, G- a& I) ]' [; h
set trade-record-current []
+ ]& \3 G. x, ^% f v. L5 iset credibility-receive []
m1 {* F6 M1 ]& K% d+ `2 X! Iset local-reputation 0.5
% v: B1 ^% u' d, T1 g Zset neighbor-total 0
2 |1 W/ j4 V+ c4 \set trade-times-total 0
- m) [9 X& q+ r4 G+ i. L; |: sset trade-money-total 0
" r8 ~# r( a; L5 e% `7 Eset customer nobody
" u7 M, K/ B- H0 cset credibility-all n-values people [creat-credibility]2 e8 V- Y* j) k7 w
set credibility n-values people [-1]
" |1 Y( y( P4 W% K# jget-color
5 u! `0 x4 _( Q1 y
/ {: B& b5 W5 p% q+ m( b' Rend& {. ~; ? ^1 ?) B! ^2 X
. v9 g q" m3 W/ ?( p7 K: Sto-report creat-credibility' _6 o. ? {) A; ?
report n-values people [0.5]
; W" i' D0 G2 J+ s# s1 G4 z2 w0 ?- Vend
/ ]0 k& u2 Z- b/ V' a, h
3 m, i6 t/ O$ d: R6 M( c" ?& m0 o4 Yto setup-plots \' C$ p7 p3 M5 M$ U
9 }% \2 o' E' m6 N [7 }
set xmax 30
' q1 |; F8 {# W6 L; S2 p+ t/ c* \" {. l
2 s* L; R% {2 k, `$ G- i Tset ymax 1.0% E! T3 x9 ^0 j, X
1 p1 L# w4 T L
clear-all-plots
4 o: c6 n, k# c# W l5 R& Q/ \/ X
9 C, A4 J, }2 X- r! b- E7 u% v6 ysetup-plot10 L9 `3 T/ M8 j1 r# `/ p6 y
1 X) q: M. T: I0 g* bsetup-plot2
: ]7 x0 N% ^. G+ [
- a+ f( \9 B. W" o4 q1 fsetup-plot3
! g$ W9 M% ?: t5 r# b4 Pend
3 f' n, h0 _ b+ F: w+ c
# ?/ K0 B* G @7 k;;run time procedures/ Q6 @" G0 r$ z4 C
/ l( Q' }- Q4 s; d
to go
$ x+ Q; n' `/ W- u4 T. Q3 ]- g' Q' J! G! a
ask turtles [do-business]' y6 R" N" o a) z3 q: _9 t
end
/ ?- C R3 m- |& Y3 }/ z& s r% t& j. z3 z2 z
to do-business 2 H( n* x) K0 F) X4 S. @
" `* L, v! }5 G$ [+ _1 q7 b# p# p
+ f7 p q) `( |rt random 360& X0 R' ?0 t, Z5 n- |
% }# S, q) i2 H9 x+ m
fd 12 r. ^& }; i) w
0 Y9 _9 T1 L- B( Q- qifelse(other turtles-here != nobody)[4 j8 K. m0 e" a6 x& Q
9 C, k$ J, _1 }5 [- t. kset customer one-of other turtles-here
3 W3 H- V5 b: l3 W
, q! a5 h& B5 ^- G6 e# v) Q;; set [customer] of customer myself& g" i6 v& N4 Y4 x2 I9 N1 y1 y a
" @9 F3 t( T {: F* y" _+ ~7 Y
set [trade-record-one] of self item (([who] of customer) - 1)$ ~: h& ?8 t! O) P9 `
[trade-record-all]of self$ v$ q3 ~$ M: W" w% x
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self2 D4 |. `, E j7 ^% z7 A
! ^3 `( d% q3 [, A. A. Zset [trade-record-one] of customer item (([who] of self) - 1)6 A# @: u) S3 I7 k
[trade-record-all]of customer
( N' x7 d6 m3 y5 P0 \5 c l
. u8 ^! d( g; H! h# U- [set [trade-record-one-len] of self length [trade-record-one] of self5 a' E5 k+ h0 m* c6 T8 \/ D% W
9 i* m2 O8 o) {0 @- Oset trade-record-current( list (timer) (random money-upper-limit)). q# D3 E- Y0 Y; a5 l+ Z3 L- e
7 s3 s. \/ d/ R" A4 p$ Dask self [do-trust]
) ` u8 {4 v3 p" j1 R9 m;;先求i对j的信任度7 U4 p% @6 Z5 Q3 q
0 p4 J- |% o# m+ L$ o' E) Qif ([trust-ok] of self). k$ C& w* H) q- _$ z
;;根据i对j的信任度来决定是否与j进行交易[
" H: c) \* y/ hask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
" T- H( g' d$ k0 i# }$ J* |6 y: u I
5 ~4 ^; z+ o9 A) o! [# f[
# w8 R9 ^ s1 d2 X
8 {) F+ L/ S' \7 W9 U6 [do-trade
U% j4 S! G1 |; k- B f" b- S# K3 x4 @6 Y9 k/ R
update-credibility-ijl/ S/ V `; w! M7 o
, E+ H+ q+ @0 g( Q: Z; m7 }# n$ D8 b
update-credibility-list
6 x% X! O: C5 s Q1 x- W3 D# }; i- ~( n, o9 R: F! q6 G8 E0 ~; @
4 W ?' p/ Y1 _* {- c
update-global-reputation-list
/ w6 @( j1 I/ v g2 F- G" e- b0 u) j3 J. O/ c' [; l+ e8 S
poll-class) }! |4 b M, T& i
+ O# w1 {$ i$ H( D2 s9 U, Qget-color0 g5 T3 ?4 I$ R& A$ z
, e" B% z9 D( _0 ?. ]
]]2 o3 }6 N# Z- m7 X" ~0 K6 D
; k$ }& }0 |$ ]2 z;;如果所得的信任度满足条件,则进行交易
' B' M# ?( ]( O& c6 B% A6 W
, [ `. I: C! m( V[
6 t+ N( M; O" y, g2 r' m
% x& [9 R0 ^6 d9 Xrt random 3609 W4 p5 h7 |7 F
: W5 l8 F/ p9 w9 V
fd 1
# k1 k4 S. j4 t8 W- [9 O" X7 Z6 W! z$ }: K5 w
]+ l$ s+ |- a2 u9 H- [4 m4 `
; a9 C. v5 X% X/ f7 g7 W$ D
end
! U7 Z& G) d) o& r7 f
( i/ ^ u' d+ G L$ z* F1 Tto do-trust
4 F! T8 c9 ?+ Z* pset trust-ok False5 E) b3 ]2 g+ j" E+ X9 T7 g/ ~ X
4 I) m9 s* y. \
& `6 i7 y/ V. g e$ S. Z7 zlet max-trade-times 0
3 v6 w5 e: N3 x% p% `foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]$ [+ Q( ]" c- X& M3 G! j
let max-trade-money 0! @8 C. a# z3 d7 Q" e5 b
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
2 R" P8 o. }/ s7 |' a3 s6 X; Tlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
" | v' ~' _% U3 \* B2 B
% M3 F/ G4 S* X
! w$ }1 x! _/ Lget-global-proportion) y' j* Z: \) Z
let trust-value; h8 a/ I0 I9 a3 `) e$ b$ S
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)+ a4 r+ @- o+ [5 e3 C
if(trust-value > trade-trust-value)
7 O) K- Z5 Y+ X+ F[set trust-ok true]+ e3 U4 k1 U% A7 u% n
end! f9 T$ [% ]/ t( X
2 X; ^. {% y4 z, W; F' {
to get-global-proportion' n! N3 y: T- X% @$ U- \
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)+ A, L+ `/ a# R% r4 c- Y
[set global-proportion 0]# k( v4 @3 {$ `. Y' H* d
[let i 0; B/ m" Q8 b4 _1 R
let sum-money 0& J8 a2 ]+ u& k, C; G/ l& h
while[ i < people]0 a- }2 o8 F) f7 c+ X; B: |
[% v0 I {0 o2 {
if( length (item i* P1 A# N4 M7 D X U: q
[trade-record-all] of customer) > 3 )6 U2 q; F: Q- X; U$ T) k2 j
[
! S$ F4 w4 V: [set sum-money (sum-money + item 2(item i [trade-record-all] of myself))$ k; @0 H. ~$ E! x% r3 f, E+ r% t
]+ y# h: |; M' n. J: t" q
]
! W) ^3 i5 p% C. d/ C9 T5 B7 Flet j 08 A0 K O# o# V- @1 q
let note 0
* y: U9 J6 @: \6 J- Xwhile[ j < people], L; V8 \5 K3 y, c5 ^
[) v, s! }1 k y- t
if( length (item i
- s& g& ~# R- P9 Y! q[trade-record-all] of customer) > 3 )
1 S' C- U N% a7 V[7 {7 N* D. d3 m2 I
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
. f# G- {8 a! Q' r" Q9 r[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
1 I$ c. K# [7 t$ i- [" u6 x[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
% P; b# V4 ~4 z" G' [' T], J$ c/ A& [ f8 {; q+ V1 E" c
]
- y( Y( o: v% D; W8 x. Aset global-proportion note! t4 |; D; w! e5 c9 D8 n" V2 _/ A6 E6 D
]
5 c- F% q/ x1 m7 q; V. g, pend, N5 @% P5 B& y1 `! N1 S
' O1 S8 {5 G! H0 s4 Q% D( g5 p$ }
to do-trade+ K: V! o* E ]" s: d( t9 p% H, I! m: T
;;这个过程实际上是给双方作出评价的过程7 j7 h$ r6 @4 v3 i" u
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价5 Z, N4 {8 L5 @9 @3 A2 G
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价) t3 v+ e1 m7 ~0 I8 a$ L5 {
set trade-record-current lput(timer) trade-record-current
0 T3 a0 C$ {4 e( u+ G/ ^9 ~) u9 t;;评价时间
+ d- Y I- Z, u* gask myself [
$ z4 b6 q& G8 @) Vupdate-local-reputation
. j2 Q% T8 I" j# yset trade-record-current lput([local-reputation] of myself) trade-record-current: j3 N$ z( e( B2 G) i' `( k. d
]: R, v% G2 k' }6 k7 Z
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself; R' K" X- @0 E0 C& s8 U1 h+ H
;;将此次交易的记录加入到trade-record-one中5 Z" b; ~2 p, `* `' j: O; S+ o
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)2 q6 J- F+ F6 o6 P$ M9 U- V1 Y
let note (item 2 trade-record-current )1 E( j. K, q! i' x1 N% @" ?# g" e. h
set trade-record-current
" Y# P/ ]% H2 _) J2 A8 x1 [6 m2 _(replace-item 2 trade-record-current (item 3 trade-record-current))9 b1 V0 W( c2 ]0 @' g
set trade-record-current( j+ H4 \7 ?5 b' i" t; T; S0 R% X
(replace-item 3 trade-record-current note)
5 a9 i; U' v# {) r6 |) k' Z2 G. R$ b
0 f: @* k6 F0 ]3 S0 W( u% Iask customer [* V6 A5 X Z6 A. p4 p
update-local-reputation- ~3 F% r; r; {1 y
set trade-record-current
1 G0 M8 e+ O r0 _4 W0 `(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
# B6 X2 E3 F" [0 p2 [3 S Q& D]
9 T5 u9 l. l" ]3 a, }" m' b% g) L( O4 F8 o/ l& n5 s: ^
/ Q: @' B O: W! u0 p' bset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
2 ^6 \ a. t2 c* U7 Q3 P x6 z. H' z5 Y6 W) v k, T- ^# |
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
' S) f+ W4 s5 x8 A$ e) h;;将此次交易的记录加入到customer的trade-record-all中
6 B. ]8 b% `& h7 A+ wend
2 l5 _4 H+ j* _% q1 A4 u0 d4 v5 r% F* j# d
to update-local-reputation
2 P1 h4 m1 ~1 [6 `# m) Kset [trade-record-one-len] of myself length [trade-record-one] of myself, c9 U5 f& ]0 [$ y' C+ F" ^
& H5 M6 D3 `9 d+ S: o& g
% ?0 ~3 I0 a0 h) ^7 H7 [;;if [trade-record-one-len] of myself > 3 f2 r, m- M# R C# l% ]# j, I& y! C! d
update-neighbor-total; b6 c1 { x; \4 e, R& A6 J
;;更新邻居节点的数目,在此进行
8 H9 [5 g! _, p0 y9 g. elet i 31 @' {1 W4 }" \
let sum-time 0( e7 c9 y7 F! ^9 K; ?
while[i < [trade-record-one-len] of myself]
' Z& N' B& C) M9 r1 K[0 J! l0 Z) K- |, x: P
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
& K+ X- T- p. h8 ]; p& w1 r6 D( v! Oset i
) H" E' R/ L6 ? b! e* e( i + 1)+ I( i+ _, k. e- \; N4 _
]
6 ], T3 I1 L M6 D, S! H' U1 vlet j 35 u6 R1 v" f/ } j; C
let sum-money 0
1 l/ i( e2 c: S2 e7 H$ u3 Pwhile[j < [trade-record-one-len] of myself]( Y! c( E/ f( E: k: Z& ^
[
4 H" @; h3 J) N7 Xset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
; I' c# P( m3 D1 xset j7 r( C. ^( \& U- [- I5 j7 w
( j + 1)
) f) N& a# X% U$ z; X: D& k]) P+ a) A- R8 \$ W& o. W
let k 3
! y/ C# Y) y" ~# z: klet power 0
' V/ t' V; A2 n% k% c' [* o3 v7 w( Alet local 04 T( w6 u7 [8 ~: D
while [k <[trade-record-one-len] of myself]
' V- Z$ S" l: N& n[' ~# t' j$ }1 |9 J ?- r
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) . _: n/ Y# \# ~
set k (k + 1)
9 Q# w* Y. t/ D. w! @9 L3 B]
6 G. { h# t2 w* E" U8 n: Sset [local-reputation] of myself (local)
6 d$ t$ Y& ] |' l$ ?6 V( Bend
( l I: y" a) L% Y+ ` O+ k2 Z6 J3 l
; r5 [ v1 E, G; gto update-neighbor-total
& n+ g9 M) C* w7 R) F, ]. T2 Z0 _
8 w3 l; [- d4 {9 f( \if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]! s+ C! a; v# Y6 J3 d
4 w4 H3 E( l: h4 m; z) G. y
! w( j `* V7 b2 ^! f9 X" K4 pend: V& e1 y2 l& ]' G3 L, ?+ F
@! w# F# W( a" `: c: }8 u
to update-credibility-ijl
0 }1 D/ W7 {; A& n1 t. d- h7 X! H! z. ]" E+ K5 _( B
;;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。% l1 `0 g8 s8 ]0 I. I2 o
let l 00 ?2 T: S( ?6 Y# k& F1 V% [4 ]
while[ l < people ]
7 g+ U A# h+ E& T5 z) \;;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
0 W: R' j5 A+ F- Y[
) r8 k f2 e# F0 }; J1 ~' P5 ylet trade-record-one-j-l-len length item l ([trade-record-all] of customer)( A/ s/ Y9 m$ V. t
if (trade-record-one-j-l-len > 3). W2 e9 k; R5 z( ~& S0 h
[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
6 n' L* \) b4 O: B3 o0 vlet i 3
- z J n4 r U: y$ ilet sum-time 0
/ v1 r0 r2 i: S5 \, q8 w% _while[i < trade-record-one-len]# @# I1 O) a+ H/ @2 ?& H5 V
[6 S( L& ?: q6 R% d
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
, O" F e. \+ J4 yset i" _8 w2 m% X# G* U. A
( i + 1)
0 j" b6 X! n: N( i4 ~2 q3 d& @7 t* J0 }]
7 I: N8 D( Z( g, w8 s% ^let credibility-i-j-l 0
3 ^4 c, ]# }; T;;i评价(j对jl的评价)0 [6 F6 P% I; v3 A9 w
let j 3
, ^9 y/ N n3 a8 v H" @7 K. j# clet k 4
: Z- t, ~5 u( [1 ^! M$ Lwhile[j < trade-record-one-len]* b7 K: E5 J& | @# L1 ~; P
[
- h5 e8 G* A* C) ?) g; lwhile [((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6 ~5 z6 K" g2 @8 W
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)
0 v9 v3 m) s8 u* a: y6 q' rset j! e: I, ]; ^2 v/ W& Y1 h9 W
( j + 1)4 [0 W# O' w; t# Z7 Y
]
- h1 w+ f6 F! S: \0 S' j+ J' l( Y" bset [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 )) L; n$ Z- D: l Q- q2 p; G; o
) t: G9 T( [3 z0 x* E* |/ p
, ^# l3 p; r% Q. b5 r3 ]let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)), e5 q: @! x; }, b! D) D
;;及时更新i对l的评价质量的评价
/ s3 O! [! v/ i- F% hset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
! m; h# y7 c7 f4 L$ t: C2 ]' Sset l (l + 1)
2 Z: l* @: z3 V6 n% w s ?8 X$ R]
0 m1 c; X6 V0 }; S+ y0 X* Vend6 K9 Y- w5 x- S. g/ M* e
2 X- e& d1 j f7 G; E) Z
to update-credibility-list
3 N! Y. M) _# f* g. y9 @let i 0
5 O! U& r6 W" [$ }% N5 Xwhile[i < people]
4 E2 o9 [8 w5 W, m0 d[
; l" J9 ?. D: E! g4 s$ Alet j 0# _( Z* U1 l2 x6 X8 s
let note 0
0 m' E4 o6 C6 O( alet k 0: d- ^2 W; }7 `( F N
;;计作出过评价的邻居节点的数目
" o: H. r! @. @; ?! o) hwhile[j < people]
: v/ g. i% Q) Y, N6 _' Q* Z[% y! B# {8 U- G% ?4 |/ ]. v
if (item j( [credibility] of turtle (i + 1)) != -1)1 I& e6 l3 @* g, g- I" u# N
;;判断是否给本turtle的评价质量做出过评价的节点) l9 b( t B7 @& C! e! z
[set note (note + item j ([credibility]of turtle (i + 1)))
5 g7 L6 D, Z* p* @, `6 s% Z8 W;;*(exp (-(people - 2)))/(people - 2))]% ]: ~) S- y) H) {& W
set k (k + 1)" y% ]! O5 ~, G6 ] D8 W+ r: X0 P
]; y3 P% d- D# l8 m( v2 D
set j (j + 1)1 R2 G9 {# C) a
]& w/ w% `2 |& e- R. r
set note (note *(exp (- (1 / k)))/ k)# k& U6 w5 K: t s, f1 y* x( b
set credibility-list (replace-item i credibility-list note)( [) u# v* |( M$ {# ~* r }0 e
set i (i + 1)
! U! ?( `' i* @4 t6 v, c3 a* I]
" B) F, r v7 send( |* b+ y" q! W2 W2 p7 l1 `9 c
S/ ]9 M3 q) k- W# Q; O7 L
to update-global-reputation-list
" o9 Z! {& |! R: H9 |let j 06 ?2 [& _+ Y, D3 j5 F2 E
while[j < people]
* J/ O# ? G- f7 R4 m+ u[
' `7 \' O1 M5 T' H4 Rlet new 0
/ M3 F1 n# w" P* a;;暂存新的一个全局声誉
4 U: ^" o& O8 d9 A. |! x( q8 \let i 08 v6 a3 U% y( h
let sum-money 00 n }8 x# \& L X# P
let credibility-money 0
+ L9 p' X0 \0 K( @while [i < people]& J) `. f6 T+ Q5 ^
[
' S" L4 ^5 l- j% h% S5 @/ Vset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))6 {" j% H- Y- f% j8 R( W' T
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)): A# C6 h; _; u$ r. K) G
set i (i + 1)9 F& m4 I, [/ }; K* ~) N
]: f; X2 U/ ?& ]$ H1 A; w
let k 0
V9 [ j, X! B6 t+ v3 @let new1 0
9 i( |" m- S$ x$ X8 m/ D# s2 vwhile [k < people]
" b! A$ y8 {! ^# [' z[
9 s' E% X- G6 }9 }: b# a7 Fset 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)+ k. g9 M4 ~4 {3 `
set k (k + 1)
4 g8 J* c* ^8 V# | H) W3 k6 o( r]
2 c; o( n+ |1 ^2 H( T( o* Dset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
' h9 k9 W, O4 Eset global-reputation-list (replace-item j global-reputation-list new)% T* T) h; ^& o8 f2 X" `
set j (j + 1)+ }: Z6 a1 f! i* d n# ?
]
: z; Z, m$ X' [" e& P7 rend
( z0 V( a! o& G4 s' U0 `! G2 y3 x
7 V" u9 ?$ ]4 \; w6 L# I. R
, e( {: f/ P: P# x6 j( F! `6 K0 M* [
7 c$ Z: z# X M. E) _to get-color4 j1 `2 C; Q0 Q: F3 u" Q
5 P* [7 F* X; u
set color blue
+ Y1 I1 } _4 {" U+ iend
5 k M; I& `. I9 a; H. l& o2 |' Q) w8 i/ E% d% f% |; a
to poll-class
: [1 z/ R) F0 T( w2 iend
' p7 [2 }3 K' {: S' |+ K s5 ?( y u g+ Z5 @4 A" c
to setup-plot1
4 x/ j V4 J: ^' V; l* L! b+ l) x! n/ f* q; k1 t
set-current-plot "Trends-of-Local-reputation"
6 r/ _, w1 l4 ]; W+ P" x
9 b8 N# v3 G& B6 W& C* `set-plot-x-range 0 xmax; P4 B9 X& o3 j
- P' x4 P, s5 v) [! _$ J/ s, Gset-plot-y-range 0.0 ymax9 t" I9 a* `0 T5 C
end; f! e5 X+ \( O1 `, T
7 f. }" c0 U* h2 n3 Sto setup-plot2$ O1 A( e7 U: k7 L
4 g9 d5 S6 X' y; ~set-current-plot "Trends-of-global-reputation". f3 i- \& a- Y$ t; x9 _9 {, o
" p2 F w+ v7 n7 H; j* Tset-plot-x-range 0 xmax
: L5 Z5 ~8 e% t, t" T7 t2 g0 g2 _2 |- c! j0 p( q* y- e" e6 b9 ]
set-plot-y-range 0.0 ymax
# a- [5 ~ ]/ S- N: l7 rend
6 A n. [, h. k4 R8 _3 z1 M7 T$ N! h3 Z
to setup-plot3- H n' p' p! `
/ j% a: P' t2 Y0 S
set-current-plot "Trends-of-credibility"2 t9 o! ]8 l- n: X* f# s
" f. I1 Y6 m: p7 G4 H4 R( W" _# i( a. D
set-plot-x-range 0 xmax. }) F2 n P1 M8 I7 o, k0 I
$ U6 _* z2 M% W b* {! k3 o6 N9 @* s# r' \
set-plot-y-range 0.0 ymax& S' B9 S. G7 t7 c9 z/ F4 ~4 {4 M
end, ^: ]; A4 |- M0 d# D2 Y+ K
9 I! _6 Q$ P$ {+ I) Y& k/ _7 @
to do-plots
7 k# F. T* ]* V# Eset-current-plot "Trends-of-Local-reputation"4 |, Z0 z6 @' H
set-current-plot-pen "Honest service"3 G# s# R( ^3 i7 s: ^
end s9 {7 s$ `: x5 t9 `
5 u5 J, J8 G& A, S: Q
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|