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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
8 S. F0 B6 ~$ ]/ dglobals[
3 e3 _8 h9 S: K" t1 ?+ B2 B8 D6 Wxmax
6 l7 M/ I2 o3 Y$ o4 J7 Wymax
c- U! Q( V. [ Z1 oglobal-reputation-list3 V$ n! p% @2 K2 G7 m
& J* {3 L& ~% l. y1 A! V( s+ T
;;每一个turtle的全局声誉都存在此LIST中% e1 c- S0 }; K8 J' L
credibility-list' x& D2 _5 w! T
;;每一个turtle的评价可信度, H j* }! J+ b6 U% k5 i0 w& _% ?% h
honest-service, n" u) S$ j8 X7 U
unhonest-service& }% s0 C. B, e1 F4 u( N3 k
oscillation
& X$ X9 ?' ~$ Trand-dynamic' H" l4 H/ R' ~. x
]
o+ i9 c7 k% o0 D
- H3 F ~2 P; V+ H6 Nturtles-own[8 h$ w9 |9 ^7 d# X# n, J: u% E$ L
trade-record-all
& q$ m% a6 G" d( @4 K2 B;;a list of lists,由trade-record-one组成, Z0 ?# m7 K" i6 u [
trade-record-one
6 P1 D) M N1 X' L* X. |2 N( m) D! \;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
9 J6 N `4 \! d' [, \( e D4 P, E: C# g2 `! l/ p
;;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]
- R7 y5 y7 L4 j) |trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
8 ^3 W6 I1 ~2 P& k4 \0 ~5 {5 jcredibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list1 f0 ]4 v$ F5 S3 D" B
neighbor-total4 V! s' D1 e- D! o: X. L
;;记录该turtle的邻居节点的数目( H! S5 d7 L& x7 y. \
trade-time
4 k4 e9 J v3 g;;当前发生交易的turtle的交易时间
3 G/ [4 c! [7 @9 I( @ eappraise-give
* e/ S* J( o* p;;当前发生交易时给出的评价
4 {4 I& c- m7 t) M5 ^( W, fappraise-receive
0 d, e. X- I! ?;;当前发生交易时收到的评价
/ t& v' s# ~3 h7 Wappraise-time
) c5 U. m. L1 R$ m. K# p8 x* r;;当前发生交易时的评价时间
" Q/ V: ~0 L) B5 M( L( n$ q# u* Alocal-reputation-now;;此次交易后相对于对方turtle的局部声誉9 ^& p- x" E' y& k2 ]* o! ~3 W" o9 |
trade-times-total
- [8 }# G" n+ l; J;;与当前turtle的交易总次数# h' l7 M/ F% ^) q8 b7 r: m [
trade-money-total6 z8 @8 c" f" ~
;;与当前turtle的交易总金额5 ]' N) A! R& O8 a" {( H
local-reputation8 j9 I* e0 `2 N6 ^9 u3 m
global-reputation0 V( ] X6 w* c
credibility
. |! ]$ U, k/ j7 Q4 l2 }4 W;;评价可信度,每次交易后都需要更新
8 V1 A: @) J, h" N" Icredibility-all9 F$ |, D% J2 @! h1 J/ l
;;a list of lists,由credibility-one组成。[[1对j的评价质量的评价][2对j的评价质量的评价]……[i对j的评价质量的评价]……],其中一共有people项,根据% k Q; W% k a2 U D
. b* ~7 ?7 o- h- T4 j2 L+ C- O;;turtle的编号对号入座,对于其自身的编号,在计算用到的时候再进行剔减,初始值均为0.5# \0 R% V" S1 h' i: _/ r
credibility-one' Y9 U- r2 b% O b3 v1 ?/ l
;;a list [i对j给1的评价的质量评价,i对j给2的评价的质量评价……],其中一共有people项
+ w7 K. W- C K- ?7 Y" ?! ?) Bglobal-proportion
) r! p( F! U/ A2 Z5 p" W, Y! fcustomer; ]" ]" o! \5 `
customer-no1 l. o6 ~; M3 @1 e& V
trust-ok
3 P+ y0 @: {+ \) g2 strade-record-one-len;;trade-record-one的长度& ^) z2 d3 T% E& r1 [
]9 `* I B8 O0 Z# E, s {
& F1 h9 T9 V0 g; [. W
;;setup procedure
2 h0 S0 I" G4 x, v* d7 A% Q
4 W5 K8 G- r9 ^5 Tto setup
. P- X6 X. @" B+ M+ b3 ?$ }. x
ca4 f, Y; g: n; ]$ b0 m
6 j% r" O+ R3 U' `9 P9 I" v
initialize-settings9 n" ~% i7 D$ O
e! E. y5 h$ X V) l
crt people [setup-turtles]
% o2 ]: R1 J3 w+ J2 S# A7 L1 ?8 Q M2 L4 O) b1 A+ T. v
reset-timer
# x# Y: v& V) k) u& y0 ^# U. g3 F, I0 p% Q8 s/ F3 V
poll-class4 V. {& _( U8 b. P8 D
4 N" Q" q! d$ Y; `3 o9 r2 Csetup-plots
' q8 G5 G$ j6 k# }2 W# G f5 H2 r, }; P0 G3 i
do-plots5 s- x/ W+ i" y- S4 o
end
5 }- l0 G; x6 h5 D( p9 x
$ H8 B7 i4 _! O8 Q& Oto initialize-settings
* Y; V/ `+ u5 o2 X: q3 e$ f( S2 \6 `# j* u
set global-reputation-list []1 r. n5 n( p' l' D$ ]4 C# E
9 f. b" x. }- [& u6 l/ xset credibility-list n-values people [0.5]
$ S0 H( g9 x# c( A: P$ g3 |& d F( z0 f& }% O- z" W
set honest-service 07 z0 D- I$ i; q( o$ N
4 j! v( O- R- v, A$ \set unhonest-service 0$ W" @1 C& F$ B- ^! [ C! Q- Y r
/ o$ b4 `0 w2 a7 i* A8 }, Uset oscillation 0
$ K( O' e5 W+ ]; D( j. |3 f8 |- ?; j/ P% I2 b: S8 j! O
set rand-dynamic 0! k7 ^- d+ r- E" A
end
! [" a- l$ U" L9 Q( o4 @% c4 l7 _! Y) k+ C0 F. f6 V2 j! I" W
to setup-turtles n: d+ T4 I8 ^( l
set shape "person"
# {/ t) R/ t( fsetxy random-xcor random-ycor! b. n: X+ D% ^
set trade-record-one []; x- Q0 @& ?' f
2 m3 ]: F1 E! `5 C' C; [set trade-record-all n-values people [(list (? + 1) 0 0)] 0 Q4 I' {, X+ _! M
7 b2 V; m; d$ i7 Y. q% ]* Bset trade-record-current []4 l8 s, G- r5 e# Z& l
set credibility-receive []8 E& Y ^; _6 e2 L [: I, o
set local-reputation 0.5
1 K+ \2 N' J; b* Q- Xset neighbor-total 01 {) m- N/ q6 ]$ F2 M! F1 w
set trade-times-total 0( l" ~* Z* P; D4 z) K. o
set trade-money-total 0
' G$ S* {; h( g" ~1 \: Bset customer nobody6 K. o" F1 W4 ?) e$ y
set credibility-all n-values people [creat-credibility]
' W$ N" N: ?6 j$ Cset credibility n-values people [-1]
2 r" y) r! q. Z5 V' g1 p# w& }* `get-color- `2 G* H) P: _4 y% h: j! p+ X
+ X* z6 H* Q6 g) B S- q
end
& j2 k' N9 u$ |& _- T3 A! K
: ^' x- K& n4 n* gto-report creat-credibility
0 ]! D7 s$ |4 Kreport n-values people [0.5]
! C B3 E2 K& jend, ]; V! K$ ^' P* I
, H( b8 M* h4 B& {8 }. g0 X8 ~. Tto setup-plots( Z: z3 K/ A/ t, @
! j# V% h P' b/ O3 ?& bset xmax 30$ _4 r% K* `! p/ \6 g0 c# U2 M
" B6 a8 E9 @# ~7 X2 i& p1 Hset ymax 1.0
' c% U: P( X( u, @7 _5 R% N! D! [4 T' D/ D* L
clear-all-plots0 ^" G+ ^- Y r0 J" x" {
/ q- C9 ]4 i. a7 u
setup-plot1
5 E& ?4 k: \% a) v+ Q4 ]% G5 t/ E) ?: z3 I, N7 P# j y# Z
setup-plot26 H h/ b' l4 a2 E2 I
' ~ M$ _* E) m! A
setup-plot3
6 p8 y) O1 F q9 x% Y! \$ Bend
, a# Q, k( F2 N( q+ [9 N! W2 b3 K1 C- e( T, i5 n) v8 o
;;run time procedures
6 d; j2 [$ w7 I& _
7 t+ Y6 j- @: E. w9 `6 ato go/ O* O9 z, R+ i
, N9 A# h# _7 E+ Rask turtles [do-business]
- W; g R7 y% \# S( ~end( x/ Z1 B/ u4 f7 ?5 X- \
2 g+ L, B8 T/ ~% q
to do-business ; o; D. U) t! ^5 g8 A; a
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$ o3 U4 r: X! e, M) [9 [
rt random 360( m0 e$ g/ P4 T7 M9 T
+ w5 ~6 Y6 E( @( `! S1 Q2 M0 |fd 18 H) T: V: [2 |% T* x3 {4 P2 F/ e
# k, y# z+ [/ {ifelse(other turtles-here != nobody)[( m9 ?% J. q8 f2 b# ^# ^- @
h3 F3 y0 ~/ m+ \( O
set customer one-of other turtles-here [8 W0 f8 M5 o, c/ x2 @9 T! o
2 {# w/ f$ r. f4 T& u$ P- M
;; set [customer] of customer myself
7 S6 t; U& J5 O. ~
6 u. n4 w) f! Y+ w- vset [trade-record-one] of self item (([who] of customer) - 1)
( n- ~0 M, C0 O5 \: W, P& o[trade-record-all]of self5 U" ~# r3 J4 I( O
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self4 `8 B& M& b$ N) ?; N
( |4 [' I; P1 Q# G* v" Rset [trade-record-one] of customer item (([who] of self) - 1)
/ a' `7 E" f6 ][trade-record-all]of customer
( v" q! P& |3 I0 T+ C0 C* X( `) P/ r1 S8 V
set [trade-record-one-len] of self length [trade-record-one] of self5 g M, F6 G4 T
+ C5 c& G/ c+ g7 _3 w3 Q& K
set trade-record-current( list (timer) (random money-upper-limit))# b* N" q- x3 x( A: b
3 B4 B) J% a3 u) Fask self [do-trust]
; D7 c ^. o/ D: @;;先求i对j的信任度
( f7 S6 q' d) A/ E: e
) w6 l# s3 V' ?8 Oif ([trust-ok] of self)
- M# _( d( g2 H" u' D, A;;根据i对j的信任度来决定是否与j进行交易[
# ]* Z0 D: g$ y. pask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
J7 r8 B$ Y6 N2 J- W. _5 i7 h+ [; D# i t
[
( s& I: V% s3 B7 s& _- c
7 p; r6 X% ]8 E: |! D, Bdo-trade
: @/ C) @/ T! L* {7 p8 G) \; H ]1 k9 }' S3 e2 y
update-credibility-ijl8 T) \4 A4 W; N) w( X
, T$ S4 n* l" j: M
update-credibility-list/ ]7 o# Y; E( }8 @, F0 F
+ p4 o+ L0 K* V; m; [
3 I' g- f3 D0 _% s5 zupdate-global-reputation-list5 w( V& r* g; ?: A, @
% b- C" F' S. Y, V! Z
poll-class
. C- @& r1 W0 o+ J! I
" ^4 G6 F1 A0 Z, z4 ]9 b7 F) }' dget-color& O4 Z, M; H) E. N8 y; B
8 ^+ J. r, R s8 }]]
) w: }$ G1 w+ C/ Z: @ i# P8 r
& w/ w: m3 S" v;;如果所得的信任度满足条件,则进行交易
) I; k( Q- j, V6 F6 g3 S! E
/ L2 v7 c5 ?; }+ v[' v1 a( u2 c. c0 R! c G
1 [/ S7 j# D; _/ j- N/ C; wrt random 360! e6 d; K' ?! }' D$ ^6 @4 B
# `8 s& _2 p" y3 J& O& W1 ?fd 1/ O& \# `3 A" c
+ B7 S3 t. J4 ?; B" [4 `/ T
]
' W }& X* s$ S0 _5 o2 q2 o8 ?! J
( \; C0 [7 [1 ?. T7 Z/ ^end
0 @* ]* \0 b$ x, L+ Q' p
0 O1 X5 p1 T: {7 ?9 b# V3 @to do-trust ) m; H! o$ ?1 O8 N1 k; A
set trust-ok False% w3 H; k2 ] ?% A- R: P `; E& \
0 \) g5 h3 _3 G) p f8 x
) C; T6 ~3 a& I2 d1 V! O6 c
let max-trade-times 0$ f) V8 P' `0 { b8 I; z# d
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]9 R$ \, f& A { K* [" m9 C" _
let max-trade-money 08 R9 F) e- P* t& x- t1 t& S
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]% e u; R5 m; V" e0 R. J& {
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
b; W5 K; n h4 Y2 t3 t. I. s- i+ ]+ s* k/ A& {
! @6 W3 [9 _' E) P, t/ l) t; Bget-global-proportion
7 \$ S& E* \: |" s4 Glet trust-value5 E4 m: H* K: f \) U. U
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)
L: j* ^5 t2 `+ H( eif(trust-value > trade-trust-value)7 P7 U8 ]6 Q8 L; r
[set trust-ok true]- a- t, z$ o% A$ X$ c5 w* V' y4 I% ]
end1 n( V- v, D" L* H" d
( \3 {. m1 I# k6 M& ^
to get-global-proportion
. j0 E5 [7 t1 x) sifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
7 C3 R( x$ y5 b* f[set global-proportion 0]
0 G; R \: E3 E$ u7 t[let i 0; }' p% B1 j: N7 m0 B# l$ G
let sum-money 0
: E. e% {% ~% Jwhile[ i < people]
) g$ c6 M4 m/ |# ^5 ~/ Q& V[
# `8 [" R$ Z" fif( length (item i
* ~! M7 m, y; U[trade-record-all] of customer) > 3 )
- Q7 \/ a4 x/ t0 G# l[, c3 A. K1 M) E( B& Y. V
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
( I5 K: L8 e, A]
: Z- x1 ^* ~3 M% n]
9 l7 E- b! P; v3 hlet j 0
3 S7 j7 p0 Z9 a( H. q% {# I8 [0 Hlet note 02 Z' x- u" N' E) }$ w! u4 m
while[ j < people]) v( h+ h$ _0 D9 F' H. r: E
[
: ~3 y% f( z t4 K+ Z) o" Y* Bif( length (item i- \* [# Y u4 [- H( Z& a
[trade-record-all] of customer) > 3 )
9 X6 v. T- a6 t# E; ^. A d% a[
& Y- J% n! T/ [3 h8 cifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)3 e- m/ j* `1 h" J4 t3 k2 [, F# G
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
% C! C' z& k$ v[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
) s2 _- E' [& |% D. ]1 l' k: p* |: m* u]
9 {( u+ f+ N; t( \1 p, h]
' ^! ]5 \1 U3 |( ] J" J! Nset global-proportion note: W6 |+ _& a) d! b/ Q" O
]& U4 c! H/ i$ y
end4 Q! J f* F8 O
* E% `1 A9 w& ?9 E- j( zto do-trade
: F5 R9 r; D3 j6 k4 g3 m;;这个过程实际上是给双方作出评价的过程
; B* n, e( m( g" E& Gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价* f& G& ` K& a; V |
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
; E- ~3 S; N2 q' k4 iset trade-record-current lput(timer) trade-record-current R9 Z) n% a7 z1 [" l8 O/ C! t
;;评价时间
% d" [. ]) B4 [ask myself [4 K' W. S/ b) F/ J* P" U6 X
update-local-reputation8 n; `+ z9 Z5 j
set trade-record-current lput([local-reputation] of myself) trade-record-current
5 o! c d8 o9 h; s1 f6 K4 Z]
1 j: L6 t. W. W2 }; w) rset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself2 I) u, w( `) ]
;;将此次交易的记录加入到trade-record-one中' N" W+ p7 Y; v7 l# t
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
8 m5 Z+ t" `% h+ W+ ^& }7 ^ C: dlet note (item 2 trade-record-current )4 ] }5 \% q1 F& L" E5 S x t
set trade-record-current$ Q0 y6 S: ^ C
(replace-item 2 trade-record-current (item 3 trade-record-current)), q8 Q1 \2 t4 x+ T
set trade-record-current4 n5 t) b' q; C) n/ U
(replace-item 3 trade-record-current note)
2 e+ x/ F' P- I4 h) _2 s$ u7 @8 Y! u+ _1 d( t* q
4 Y+ I$ V+ z. J7 \# ] ^+ ] L, yask customer [
& V! w% @ w5 e1 v" D" t- `update-local-reputation
, J t4 @5 T5 b8 i. w: ^: s3 Iset trade-record-current' F5 ^5 y+ S6 b: y3 ?7 a8 g" r
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
- b! _5 o) x9 E# K]
6 n, Q- R, B9 {* O$ C$ `0 d$ L1 s/ Q
3 C: y, _/ L- X% s% w9 yset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer+ t8 Z7 A2 X7 o1 g! {- ?" w
" C( J5 O S- e X. _
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))% [- F! K& V+ F- R0 ^# [
;;将此次交易的记录加入到customer的trade-record-all中8 t2 a& U0 y' W0 |7 N9 y% W' P5 H
end3 M7 u* A* h7 E
0 N5 {8 x+ W3 c7 P! D4 V! Z/ ]# pto update-local-reputation
- i5 |) S8 r! `2 D% `set [trade-record-one-len] of myself length [trade-record-one] of myself& B- F' B8 L0 E, S6 [2 h
3 W9 ?* \4 [' {; `( M( f9 i! |
2 s( d+ [. E0 a, o* b;;if [trade-record-one-len] of myself > 3 5 F, l# @3 k3 A+ [0 |
update-neighbor-total8 u, Z% g3 G5 z) N8 o M
;;更新邻居节点的数目,在此进行. ~7 |7 @: H( s( a
let i 31 }& `! g+ P2 E: w2 w3 G! H/ U
let sum-time 07 a& Y& r) N" @* z7 r
while[i < [trade-record-one-len] of myself]
2 Y" ?8 h# `& `+ l+ ]& x[
, C0 S9 O" X$ w) w2 m3 Nset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ): ]3 v. P9 Q" Q0 X3 \/ h
set i# k, L( C) ^ E |) f4 d$ L( u" w" `
( i + 1)* a' M- p0 ~5 q6 B
]
3 O* [* N9 V! Z- a9 s: ^6 C$ Hlet j 3
; v1 K% k4 s6 z3 p1 |& rlet sum-money 0% w& h3 ^; }) e9 Z
while[j < [trade-record-one-len] of myself]
1 |% K2 c& y2 S[; Q) k- _/ B+ B, d! C
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)
5 n: s1 ~( o: m; l# P9 W+ {/ f8 ~5 aset j3 a5 S0 L) f8 v' S, ~1 Z
( j + 1)
* R% {* \0 M: q* Q]; {% G5 v. \2 |
let k 3% Y& F5 V* d$ g
let power 07 V5 I& M' @) m8 ^# |1 r
let local 0
$ `% `3 p: V* I3 Z8 I; O( owhile [k <[trade-record-one-len] of myself]0 j0 G5 E2 Y \% F1 Z2 g
[' {; y/ J( q) g( v+ l
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)
2 v+ {2 T# e2 j+ Wset k (k + 1)
8 f7 \' B: _- ~- R]& M8 s* x. y0 C1 u e! d e
set [local-reputation] of myself (local)
% s9 R, B5 e+ c2 n- Xend
( }/ F) m1 A, v6 s, N( ?+ x* _7 n' R
) ?6 I6 i, U Hto update-neighbor-total
1 V. F$ N; O2 x$ q
$ i D, V2 S; C+ w8 Jif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
! A: h9 `( U+ i4 o
3 f2 M. s3 `3 @9 w5 Y4 f6 W0 }6 ^, }+ L4 @ t+ F5 n$ X$ x7 K
end! E1 a' B( @6 R- ]- z$ e
5 \5 j+ o4 B! V3 @ `to update-credibility-ijl
" u8 g+ E' F& o7 P
$ q# U0 P, ^5 O;;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。8 V5 a' T: p) N$ l3 D8 Z4 U
let l 0
0 T! ^' ~/ S! k8 b) u( iwhile[ l < people ]
% f; ]$ s/ I- E8 X$ D;;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1 x$ j5 g2 m, N; R' m+ [/ z& b9 ?
[
# a6 w" p8 T/ s8 u; L4 [6 clet trade-record-one-j-l-len length item l ([trade-record-all] of customer)+ d2 s. F9 y/ H+ k& O
if (trade-record-one-j-l-len > 3)1 t M0 k3 _2 ?7 g* T
[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 C: |/ `# @; [/ b
let i 3% I: k& R& Y) A+ G
let sum-time 06 ^ ^2 L9 R& R4 b" P
while[i < trade-record-one-len]. {1 w6 C7 C% q# x/ z# F
[& q- M( y. B' n5 c
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )/ ?( p. b; ^8 C5 {
set i
5 a: f0 d( |* w& r- d+ B* [- J7 q( i + 1)
5 c3 u& S* `" t4 w9 r% {, v], Y1 e2 ?8 w4 y& j0 k
let credibility-i-j-l 0
% d1 O5 o. {8 g/ X5 c;;i评价(j对jl的评价)# m1 [* f( T/ B& Y8 \
let j 37 ~ k C6 [8 e4 i. I0 o9 k
let k 4
: h* Q1 q3 Q- z/ n; C3 qwhile[j < trade-record-one-len]2 A9 A3 u0 x5 k) y/ E6 o
[
* Q$ y6 v3 H$ {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 S! }# ^7 q; H/ G" Xset 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), u0 v! Y$ O4 n/ X; M
set j- \5 P* m7 j* g+ @9 V# h6 j
( j + 1)
0 R& r- Y8 q" c# U Y1 _]( N# c! _! Q) l' y$ K
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 )); b+ E- u% q U5 i' H" B
# j h' X# d6 q! W
p1 C% e3 n( i8 J# Elet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))& ^) L5 s. m. B) P2 z( [
;;及时更新i对l的评价质量的评价
[2 @+ }2 U+ ~set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]3 U: c- H# G7 W2 R: H2 T6 l
set l (l + 1)% n: A1 S3 d1 }2 S9 O) G- ]0 C
]7 K$ B) U# k7 j
end2 R' B; i; c9 W$ r% h' C
) j( K# R. c' F7 M
to update-credibility-list
! ?, r% X; M' M' F- u( Alet i 0
+ e7 V9 ?. n% S+ y3 Awhile[i < people]
7 K# w1 a+ y6 V% ]2 x; T% M1 M4 M[1 }& {" c6 T1 j/ X' o9 m! D2 P( h
let j 0. a7 H& y/ ^: l9 [6 T- E; \
let note 0
* ^8 ^0 m. S8 vlet k 0
9 f9 _' `8 x) X% J: t;;计作出过评价的邻居节点的数目
/ Z/ u& D5 d$ A/ D/ \while[j < people] I9 p: p: r% {- [( Q8 b
[0 S3 X7 v5 L$ K5 [! Z$ B0 s$ c q
if (item j( [credibility] of turtle (i + 1)) != -1)
: `9 X3 o+ Z6 i. g- l;;判断是否给本turtle的评价质量做出过评价的节点6 K$ \+ f- ^1 i3 P; ^9 A! p
[set note (note + item j ([credibility]of turtle (i + 1)))
# ?3 }6 a1 W& i) L4 P7 C;;*(exp (-(people - 2)))/(people - 2))]: B5 _/ E: R% q
set k (k + 1)6 g. a+ x; u# B* `. l
]
' p9 v- r( c# o& W8 Z/ s) g: Nset j (j + 1)8 a/ A" B P: e1 G- K
]" f5 K9 x6 T1 F% ]/ y0 F z
set note (note *(exp (- (1 / k)))/ k)
: }, w: q& R+ gset credibility-list (replace-item i credibility-list note)
" u/ _4 o e' e! Iset i (i + 1)9 b0 l1 D3 }* E2 ]5 e; g# T
]5 S$ {8 d1 \2 H( D* b/ P4 F2 q
end
6 g) t$ Y2 c: z; N( K+ B* v
: c u* p# l+ g& f5 f; p2 f S" w% ito update-global-reputation-list4 _9 H, E/ W7 c0 t2 R
let j 0+ V6 l2 E2 n# k
while[j < people]
- }3 g" J8 d7 l- d1 ^[
+ g% G; P: P& e/ y" Flet new 0
1 @8 l9 U: g/ `% D$ u5 ?: L;;暂存新的一个全局声誉
; |+ F1 [4 e% _$ _let i 0
& `$ b4 }0 E; [! F+ E! m, llet sum-money 0
# g1 y* \" |. I7 ]* V) A9 f& Plet credibility-money 02 A d4 _& N' K6 t b$ R5 z
while [i < people]
% @- j- v- Y8 ~) F+ F/ C[) O2 i6 w# H! ~* H$ W# ^6 ~* ?
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))) y5 U3 ?2 Y2 K: N# U1 P
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))" X# [% C' u) S2 }5 |7 \0 _
set i (i + 1)
* e b) u/ [6 b& C/ ?]* |, b9 }! p9 Z
let k 0
; M7 k/ H9 x3 j+ ~let new1 02 S: U+ E' ^! ^/ _2 m* Q: P1 r
while [k < people]
! W$ T9 O- \& Q4 c[! f& F$ U' T# t" [5 ]6 U
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)
7 Q* J3 B) {% \, jset k (k + 1)+ N# C6 R' J) m% }! M
]
- V) m; C$ m# o1 Tset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) , Y0 n+ k. B3 |+ c' O
set global-reputation-list (replace-item j global-reputation-list new)' H5 Z0 F/ t* Q/ ~2 q- `
set j (j + 1)# C3 `% v% _% a6 d
]
8 m4 O$ T/ N1 ^6 f* a" p% ]+ _, Zend
$ v4 k0 Q( Q" _/ _! Q. L4 @
) l- {/ {+ F5 |- O2 {2 ?( ^! N' b6 I8 \5 [* J
+ M9 x2 ~* a1 h; s- d# c gto get-color
( f/ ?, I, o5 l Z% }
4 k B/ f9 v2 P1 m: ^ S9 lset color blue
+ P+ j# G' ^0 I; u, `5 b- dend
4 M) a- P+ p2 m$ N) v" H; ]3 d
+ [2 P) A$ q4 v; jto poll-class+ z2 ?* a, F4 w5 H
end1 [; e* c+ x0 `2 ?7 W" v
9 |3 M. Q8 d' G
to setup-plot12 Q# P6 E; O1 N) f, ~4 G( r
! K2 d5 N }; j
set-current-plot "Trends-of-Local-reputation"
& \; U- _# o; L- x) ^8 l8 ?- Z5 r) O/ g) o8 A. C7 V
set-plot-x-range 0 xmax F0 x( H2 [" { l7 x- W
5 f+ I; ^; `) C) i* C; E) l7 X
set-plot-y-range 0.0 ymax& [: v# Z: b3 B3 v& e8 a
end
+ j$ l( H3 h! d1 o; J3 v" ^8 g; y4 n% o4 p3 x) I0 Z8 N
to setup-plot2
% N5 C0 R& h' P, {3 f
' A/ k0 K" }3 z, _/ K7 c9 F- @7 j5 Oset-current-plot "Trends-of-global-reputation"
! o2 w2 {5 P# w8 u) k/ b$ ]( y9 _9 h- u) h# |. J5 J
set-plot-x-range 0 xmax
6 \' K# F/ `$ u5 z/ p8 I" D* q; G" s) A2 u v* X5 k
set-plot-y-range 0.0 ymax
' O/ F6 n. k c+ N1 Gend
6 O9 d! o- W4 P/ S$ K( E8 Y" Z1 ^2 ^; G7 H Y) _
to setup-plot3
# F+ F9 G7 B8 x3 z/ e X9 c1 d- u8 N1 _) D/ \9 c
set-current-plot "Trends-of-credibility"( e8 A n. @' ~
! G' y( i' C4 c( \7 \8 m; T; R ^
set-plot-x-range 0 xmax
. F! T. V; Q# K& }% f
5 B" G0 X0 q9 Lset-plot-y-range 0.0 ymax) K( _1 X0 q( U; S" K/ l" h
end: K; v/ c5 K& I) S$ [( o6 o
$ k0 g! @% b1 p9 }& Cto do-plots3 {+ Y2 C; m0 U$ z
set-current-plot "Trends-of-Local-reputation"
S% X0 q) T! w# |2 a& Oset-current-plot-pen "Honest service"
) c0 @6 @4 @0 _# u* Cend! V* @. D! _- n6 C8 U
% r4 C2 O* a& K$ y2 e- ^/ z; W( J8 O
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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