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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& [* @' ~3 S2 H* Q
globals[
" R# A4 ^$ b! |xmax
5 d0 X) T" v; \0 I% \6 N. z( Wymax3 Q# m4 s) c+ x" _: M
global-reputation-list
* h9 `4 J9 q! y- `1 j: J+ N: X! J, v
;;每一个turtle的全局声誉都存在此LIST中
1 \6 ?6 t1 b. p% U" ocredibility-list* v% i g- O! i
;;每一个turtle的评价可信度
* B' Y0 O, `6 f( whonest-service
1 [) M ^. B: R8 ^unhonest-service
# Q3 O/ s: K" p Qoscillation" U* \! `2 u) W8 K. i2 m
rand-dynamic
1 P& l; }4 k7 F# e- ?]
Y- g4 t# v; E! K, O& U: c2 b
' c* t& m1 O$ F2 l( W0 p* Qturtles-own[: T. s2 ?1 d! K$ J. w& M) Z/ _
trade-record-all
& b* S1 S" W1 q;;a list of lists,由trade-record-one组成 F6 @8 y; G* D7 T
trade-record-one
% z- u4 l7 o+ Q2 K2 b3 F;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
- ^" Y2 _/ M; G, Q* }8 x/ H: x% g" F" u& E
;;[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]]
4 Q# r' M0 ^7 ?5 b7 C2 i5 wtrade-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], ?" r# R( e0 @, U2 U# 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
. A0 H, z5 D' N! E* Pneighbor-total
( F5 k" F. X' g( i) m; A;;记录该turtle的邻居节点的数目5 }" C9 M& g5 V+ P w
trade-time7 l1 l! b. p) }- R
;;当前发生交易的turtle的交易时间; Y1 w, c9 y: v9 b6 J6 Z% \. D
appraise-give
" p0 M* J; Y7 v9 W;;当前发生交易时给出的评价$ o8 T, F {; f+ Y( E- Z9 {
appraise-receive, d, h' q7 U2 W7 l; @) D
;;当前发生交易时收到的评价4 w4 O* {# v6 Q4 v0 m5 H
appraise-time
& N6 j4 E% U* e( M/ q" };;当前发生交易时的评价时间
8 N/ D& P/ u* s# l; r0 |0 Flocal-reputation-now;;此次交易后相对于对方turtle的局部声誉9 E9 n) w4 K- J4 X& }/ h3 ]6 A
trade-times-total7 h( R: r$ E* m& C9 B2 b2 N' J# {
;;与当前turtle的交易总次数
z5 \: ?' A: }' S8 @6 q$ M4 D4 }' mtrade-money-total
6 C, z6 `( w( u3 i7 _: M8 [;;与当前turtle的交易总金额
! f; K. {8 F2 Q* y! n. Alocal-reputation* s, z4 \6 g: ^
global-reputation
. G( ]8 S8 j6 P! o4 S* Acredibility' R, d" l2 y" k5 u7 n& R) y
;;评价可信度,每次交易后都需要更新
+ W1 f& [0 D. F. Acredibility-all2 p6 V4 T# ^1 Q; L( M9 k
;;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* ]7 Q0 u: Z+ E
0 @1 q. y4 g! Z0 v4 T;;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/ s4 |) m# g) ?" V" |, y+ J
credibility-one
6 t X& O" K5 i' z, 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( P* F; }7 e' H6 L g$ Y$ o
global-proportion
3 F( s, ~6 u2 j( S9 H& |7 Zcustomer4 l) C& x5 ~8 O5 {" |' e
customer-no O% p+ I0 c, u5 s
trust-ok
& K2 F [) g. y* S- c- dtrade-record-one-len;;trade-record-one的长度
; K( P/ h: l0 r8 D]
" m! a# O! R9 P% ]- C$ _
; e0 s! q7 w; F8 ?0 ]+ H;;setup procedure
2 N" X% M' r# J' x& ^0 B
% f, D# F# Q8 }to setup" X/ Y" M% O: t' q7 Y
9 {* Y* \& P* M: nca
& S9 O3 X( [4 \- p) p: U0 v- Q6 \
6 u7 B+ Q- X2 I5 g, vinitialize-settings0 z, a+ F3 [+ n5 |3 U. f( [) y
! v6 _: u2 ~* C4 Dcrt people [setup-turtles]% }8 l: }& b: Z# D0 q: M1 U
1 @2 [2 h9 N* _# E" V, T ~6 E$ Kreset-timer1 ?# z; o6 b# t# n& S: ?* r/ D
) D0 A% \7 s! A( C
poll-class, d# X0 T$ e8 Z+ I
7 ?1 W7 I9 Q( H& v% v: \* N
setup-plots* n& n, J3 T7 }- G1 O; J! Y
+ w# g; G5 \$ J( E; A$ j6 j
do-plots
8 `: F) R4 l) f1 m8 }9 @3 Send& n. A3 ^/ J' d4 y+ g4 i
: g/ o+ p6 J) D9 z+ Vto initialize-settings
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set global-reputation-list []
6 p5 [' h3 M& K/ F+ i- O3 F) d: _8 U S; W( @8 x
set credibility-list n-values people [0.5]
) p# X- w3 y: S7 w6 a( {% `6 e9 ~) @& R+ q2 \: v
set honest-service 0- }3 \* j, P2 F {
& S* ?4 l7 o+ ?$ E; nset unhonest-service 0% d4 p X, j d% d% Z" `
! r8 K4 ?0 e5 ~ \. g
set oscillation 0
9 L# ]9 b( P. g5 Z( ]4 E- Z* b# f9 W: R* r
set rand-dynamic 0 _% { G; E) p5 c8 _
end
, r( f# `( f" O N& P' T, P. B) ]9 U9 p+ t4 j9 i8 i& |
to setup-turtles
4 W+ F+ n$ t1 A* h) `4 m! u0 b% ^" }3 yset shape "person", L4 g( B0 x( [, B- ^
setxy random-xcor random-ycor
3 e$ c3 E0 P. g9 Z3 R8 y1 u1 ^. @' Gset trade-record-one []
* `) D8 Y1 K) m3 K e/ Z
3 z" F; e8 c2 G: x7 R( {# dset trade-record-all n-values people [(list (? + 1) 0 0)] 2 }3 x4 q: N4 \. ]* m2 ?" m+ X3 w# m
9 R8 n/ N: s, ]) _( P
set trade-record-current []
$ T) k4 l- o; C- n2 }: }set credibility-receive []
/ d' {- [0 z( I$ r L6 w$ P& B$ Z4 Nset local-reputation 0.5
8 v' V8 v: e( P+ }3 l( x, \) hset neighbor-total 0
" g3 s! {& ?" v; S. iset trade-times-total 0' c1 S/ f$ U9 C" B* j1 e
set trade-money-total 09 G; w: L% L! P. |+ X
set customer nobody2 S6 u1 `# k1 f) S* L8 N
set credibility-all n-values people [creat-credibility]; ~1 {5 V( l3 o% z" w
set credibility n-values people [-1]) o* d! V d, s
get-color5 H% _6 X/ x5 a( C _& B
) w# F: T3 w/ U4 `5 `2 O" ]
end
6 T3 Z# U O9 O- ~! ]0 w2 T/ M: D; J x9 z3 j; f+ W3 J6 B+ ~" T
to-report creat-credibility1 {- L L R( S3 H# U3 _
report n-values people [0.5]; T& ^5 I0 C: ~
end
5 J, w9 j! h8 d- L/ u* r, u. }
. o3 B! q# V. Hto setup-plots
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5 H- P2 N+ T; C: C: g- e- |set xmax 30
$ i: G+ J# }: r4 H4 [& l2 |4 C( h- K3 A
set ymax 1.0$ K" u: T5 i. z5 z; E. L/ a; E
4 p6 t+ r5 [' b$ S, R" W1 N) c
clear-all-plots- T/ N9 [! g2 p
3 [4 K- g) p) Psetup-plot1
2 N8 V. q/ j# {) v+ `
5 @- [: P$ V8 b2 T7 tsetup-plot2
# Y0 \* q2 k; r" Q0 }$ J, n3 _7 n1 t- K/ W+ ~) g6 C
setup-plot3
( l c0 f, i7 D8 s: Pend
+ ^( F+ h% X! U# u- a+ p' ?: M; n; u# \
;;run time procedures
& k7 R9 r. i; A8 Q6 G5 N" u* f& T% f4 V6 e# ?% b! B
to go5 f* ~# P/ g# v4 R* ~. d x+ p
1 E0 b+ J2 N1 A P, Cask turtles [do-business]
4 w% _: S6 U- ^' b# N1 b& Lend$ c( @4 ?! W A& H' j5 H7 W4 B
/ M/ Q* F L) d; U: g- U4 S
to do-business
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: `+ H, a7 |/ N' }+ ~rt random 360
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6 w& [' V8 N% `( F1 {: Ufd 1
) |2 b; X e* D! x! C; M6 X% x% K# y2 Q' P5 E1 I. V* `
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here2 E: s$ f0 @, n9 B! U, ?2 y
3 P" k. c9 L8 ?
;; set [customer] of customer myself" X( B/ Z* o1 H3 R4 F
) K8 E) B1 F+ E; k mset [trade-record-one] of self item (([who] of customer) - 1)
7 [- X7 |- a5 S; B) C[trade-record-all]of self
, {" [* F+ I( X. i) J;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
7 Z6 C' j* M, H; |
6 R) Q' W/ Q1 N4 b, D* v9 F9 h( fset [trade-record-one] of customer item (([who] of self) - 1) }! r$ {% v$ Y1 t
[trade-record-all]of customer* O$ h0 g5 z) I2 a
: Z7 [# @% V8 r0 J
set [trade-record-one-len] of self length [trade-record-one] of self
6 O( Z1 v# r @7 ?
; v# s- x; R5 z l; a1 ~; qset trade-record-current( list (timer) (random money-upper-limit))
) }+ f1 }' a; K4 F; A4 [
2 ] f& r. f6 S K4 Mask self [do-trust]9 q# `# @% y" D" I) X* M [
;;先求i对j的信任度3 K/ F, ~3 X* ^; g, a7 ~
8 V" c! E. m6 X3 k; |8 w+ l
if ([trust-ok] of self) q( E* k v4 B3 a) C- o
;;根据i对j的信任度来决定是否与j进行交易[% H1 S7 B( n: t% q* B
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself/ g% L$ J0 C8 D
8 J1 X/ i5 |$ W) `: k$ E$ M[
% I# o- l) P0 R0 j, x7 ?+ G" ^4 e$ D+ ]. A" v4 w0 h( o* X
do-trade% h, @1 z0 j+ G. D7 L* o
. c1 Z$ ]5 @$ V$ Pupdate-credibility-ijl
, X( j- _/ h4 m! a, ?* ?/ ~4 m0 W
! B, d: \5 }' ^6 y* i3 _% p8 gupdate-credibility-list
5 t9 v* \& H+ D0 {" M, p( F) t( U
7 O6 D" q' q" u$ j5 f7 U' h. x3 N7 U; g! D% K
update-global-reputation-list
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poll-class. b! A9 b9 d3 h. t8 S- J
( U& e% x+ D! J- t
get-color/ a& ^% Y w+ }) o
4 v- @, f C! ^2 [6 |
]]8 ^$ i9 n, [* l9 m; N8 U0 f
: W9 V8 J" E/ L1 Y0 w' f& } ?! M N
;;如果所得的信任度满足条件,则进行交易
" L+ E! k0 Q5 w3 |- k8 f2 b3 Y4 s8 B# t/ [ t$ w/ F
[8 g) D% I& }% ~% A8 w
7 y( y4 i* ?4 p- U9 ~9 S/ ^rt random 360
3 N- c2 k/ }3 { {/ s( _* S
+ U9 y% w# ~0 L* r) V$ ofd 1; u, \* N# Q7 z+ C* v, {
: i1 _. D0 X3 x4 M+ V. ]7 L
]& a4 J X! [! V9 \* {
0 }: l7 a4 w7 f6 X* y X; @
end
3 n1 F( n6 v3 K H. K( O, a" B. j8 [" e6 B
to do-trust " ^& U H8 J; d5 I4 }- C
set trust-ok False
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& y1 F9 g K/ y# c+ h9 H
2 p+ \0 p, D# b" e0 Ylet max-trade-times 0) e$ L! j9 x8 `3 a' d
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
% A* g2 A& I0 t( N9 T7 A* olet max-trade-money 0
9 Z1 x, |. B3 J0 m. U: Sforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]$ K# }& s0 t5 o" @4 O& X% z. {
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
0 R7 t( F+ ~' f5 n* j2 q1 e; t. e. i
& I- D0 I h ^$ j
get-global-proportion
' x5 J0 F, I6 p! V6 Ulet trust-value
]: B6 Z7 e1 P( Klocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list). I* t% T9 ~: c7 k% j" Z
if(trust-value > trade-trust-value)
3 f3 t$ c: E! ?' Z[set trust-ok true]5 S/ g) l! m5 V9 {4 C; g0 g* z
end
0 d- ]. @) N$ U+ o, T- r! t# q; p7 n' D' v5 e( V
to get-global-proportion X) A- [4 o5 r' E; r8 U
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)9 s/ C6 D! ?( D7 d6 m) ]+ g# T
[set global-proportion 0]
; l5 K) P" l5 y- i$ ?[let i 0
) F# L6 c5 f9 c8 c4 T, f' J0 t6 l0 mlet sum-money 0
1 |" _! n- f- |# |6 Swhile[ i < people]4 I: d; G) K! L; b4 }) J
[
, h5 E# M8 a2 L: D0 p1 `if( length (item i8 d+ s: \/ n2 p) u6 m8 S6 I i
[trade-record-all] of customer) > 3 )* N6 v9 b! o% O+ d3 F
[
$ b( N9 k# g+ M! {set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
) h" t$ K5 s" P) o]8 t u4 c0 C, ~# l* I* g9 i
]6 B( o$ P( s" i% {) ^" K
let j 07 A- b) B7 |: ~7 M' m
let note 0" D8 P8 c" A$ j! x1 u
while[ j < people]' }8 m4 w! I# H* V7 f7 t+ ^3 |
[3 S4 n. z) q$ w
if( length (item i4 G$ k2 I/ v" V/ @
[trade-record-all] of customer) > 3 )
5 ~4 ?# M( h, n8 i2 U4 G& _[4 N0 ^5 P4 A% ]6 K. ]/ U
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
, U" n$ _, k% Q[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
5 K1 ] N8 u/ F: Q/ {, I[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
! }" E# K( r7 V8 [, {]- }0 w$ A* e: z2 t4 e9 [
]1 _$ C4 |7 m" q' h" v( b
set global-proportion note
, m# c; {" g# L; i) J4 i! j) l* i]
! C( O' E% y4 I% X3 ~9 z, aend$ ^1 z/ ? M2 V( c4 p2 n; a
8 M* i: v) A: s4 K" V
to do-trade
! Z- i) z% J1 `* k: |: c' K;;这个过程实际上是给双方作出评价的过程
; I# K; \0 c* o5 _set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价; n6 D- F$ \1 e% C
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价8 l: K' i8 a- F
set trade-record-current lput(timer) trade-record-current
! ?) f) b. ~& x6 B7 h;;评价时间
% |$ d8 g% m$ ^+ G; T% Qask myself [
" `7 B- @9 B1 w/ U R5 Eupdate-local-reputation
, K4 u) }7 q/ U' D) pset trade-record-current lput([local-reputation] of myself) trade-record-current
. E+ N& S% v `( N; {5 G]
: H4 P7 ^+ D+ R- Q9 s% Vset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself6 z( H8 i4 a$ r$ r+ U
;;将此次交易的记录加入到trade-record-one中
1 b; H( x! }+ f$ {* k kset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
4 }: P3 g' ~/ [& Q8 Y8 Vlet note (item 2 trade-record-current )
# E- m2 u/ L+ `6 {! C* t: Sset trade-record-current* L, o! Q1 @! J k
(replace-item 2 trade-record-current (item 3 trade-record-current))
M# X0 b3 {7 i5 \( F) G8 k: Dset trade-record-current- t2 z% R" ~1 ~ x5 p
(replace-item 3 trade-record-current note)6 b$ F: \& v P. ?! d* B8 M% w
; E3 L( k' t4 a) e. y; m5 _' g" Q' x( r- _* E
ask customer [: e/ _; D! q% N; c; ?1 f5 @
update-local-reputation
3 x( U; n5 L" O/ eset trade-record-current
, n8 u$ m) s1 H9 k(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
1 u* o/ l' B- W2 t" J) F4 j9 p]$ ?7 [! l B3 h% N
. p5 w/ A- d4 D
: C& N( z$ o* W: oset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer x4 r( R4 e7 W3 L- H" j
1 C Q5 Z& F( m4 b
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
( @: _( H+ Q* s3 `1 o. \6 a) o;;将此次交易的记录加入到customer的trade-record-all中/ ]' }% _$ }- o$ m1 g
end
& t: z6 H8 o' Z- K) b( M8 l4 I1 G ?5 y
to update-local-reputation
: t$ c' h( t& g0 C, `# O1 Rset [trade-record-one-len] of myself length [trade-record-one] of myself
( P- s* v, G, }6 K" I) X2 J U
" o) v1 ?& z X! c8 M' o;;if [trade-record-one-len] of myself > 3
, b* E' I. | P8 C: ^update-neighbor-total
+ @; e5 E0 L- Q;;更新邻居节点的数目,在此进行) u: U* I1 m' F" L7 r* k
let i 3
" v4 t, n8 v0 @let sum-time 0% j+ ^8 [3 @1 ~+ p
while[i < [trade-record-one-len] of myself]
2 Q1 n) q# k/ j" p6 A/ I1 t[$ q. Z) f# ^$ R: {8 o% @
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )( R% g7 v' s7 q/ B
set i
9 J1 ?1 m9 d) r* |! {5 j( i + 1)
3 ?. b( g: A% n]
( s% w" L: L8 w. nlet j 3# `/ o) \0 S. Q' ~& X( V. c0 M
let sum-money 0
4 ?1 I! c" I b* Nwhile[j < [trade-record-one-len] of myself]
) [" K5 y6 M' @0 R& T& p8 {[% |1 L8 y6 A$ t) Z0 ^* R# F! h
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)
+ V% D7 Q% f3 m% bset j; a2 X6 s: f; m% k
( j + 1)- d2 ^' g, r6 D* w/ u
]1 E8 n/ R: g6 T$ G- R+ @
let k 3
" y1 a# _8 g. E+ }1 [let power 0) K; R( E3 H/ Y1 I7 n( P
let local 01 {2 J+ Y. E: u- E
while [k <[trade-record-one-len] of myself]5 W. S% ` d3 `2 c+ w4 P, u
[ E- ^% o5 s* r) V. U* s+ B3 E5 ~
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)
$ L' q9 t G& Q5 M0 vset k (k + 1)% q, B- Q: @8 V9 ]0 z( X" C
]
. W! f0 H# l0 }6 L7 c& g$ |set [local-reputation] of myself (local)+ _5 `4 W: ]# w
end, ^: b c& g# t# L& a
% i* j4 ~, \- y( [: a+ q* {5 c
to update-neighbor-total; F! z" H' Y% U0 K5 R
& ~+ Q( O( P/ T3 Q9 iif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]; h: b5 `, s/ J7 q' U3 D4 ]0 b
3 n9 e# I. t& S. P) E
4 ]2 H( W& q8 j/ _" s$ tend
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to update-credibility-ijl 7 V' Y7 [7 [+ R+ f4 w; U
( i6 [ U; Y/ ~) u! X# O2 m;;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。
1 f* V" R1 K2 ]9 R& Slet l 0, E1 z* F( g+ j) u
while[ l < people ]7 K* z9 P- H/ b
;;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
^: B) N& {0 j+ n% x[
1 E: G& ]9 z$ Glet trade-record-one-j-l-len length item l ([trade-record-all] of customer)) X9 i, {, _9 F3 c5 y
if (trade-record-one-j-l-len > 3)! W+ X6 [* {' |' K. D: K
[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
9 e7 _, z" g7 A, s2 l! Olet i 3
, R/ S4 h" ]0 ~3 s! s% wlet sum-time 0+ |$ G% N. D8 e: c" F" F& R$ M
while[i < trade-record-one-len]
8 y/ w3 p; a- N: W/ O[
- E8 a* t- J1 r0 V7 V: ~3 l1 Vset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )4 b# N3 ]% p7 f2 Z
set i
5 ?$ C- h: T# l8 o. \( i + 1)
- {6 B+ q5 z7 U2 H- d]
/ D8 g' K8 {# N* llet credibility-i-j-l 0
8 z" i D5 e9 I( U( J: s;;i评价(j对jl的评价)8 f# V0 U3 g) g; x1 S) h1 }
let j 3/ ]4 A3 f0 `$ j ?, I6 k
let k 4$ V" e) u2 `9 S% G' \) i" I
while[j < trade-record-one-len]- \4 C6 t: S8 L5 e1 P
[
6 n+ q4 z& T: C' ?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( {- Y9 R! W' [7 g7 Q8 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)8 ^! n3 P) Z3 C. N3 _7 y
set j
! ~% c. w$ V) f- |4 V- f( j + 1)
9 U& c) T' n m1 m]
3 y% H2 Z3 H; e$ n- f0 ^3 G8 Jset [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 ))
8 ^6 V$ z2 z2 d. l+ n5 m* A- E" Z3 a# W4 [$ O
3 \: z$ a$ v R* X! W' |6 ]3 L" w
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))3 s% F# U% ^" t& T
;;及时更新i对l的评价质量的评价
( U- U1 d8 l3 t& L, [, rset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ] J: r: o+ O& w/ N6 z$ d% U
set l (l + 1)
6 g! X, w9 o; o" Y]3 d! M. G: A3 B7 g7 y, T
end N S( _- ?- U) _
2 G. j) n: |; Y8 v+ u/ Xto update-credibility-list3 x/ e: S1 f& ?: a, D) s4 n
let i 0
. R, `0 [- W( m* `9 d" @while[i < people]
0 [4 O2 f; W( P: N[
1 K: \. C0 U5 [0 y) r: D) F/ zlet j 0+ B" f. f& H; W0 J
let note 09 q3 } {$ y) D( D# ^3 o
let k 03 f3 n8 x1 K9 U: t& _% v
;;计作出过评价的邻居节点的数目4 `! j$ ^/ a* g
while[j < people]- L6 v% Z7 s0 H7 N- [3 ]
[8 J5 _! L0 [, W$ y
if (item j( [credibility] of turtle (i + 1)) != -1)
8 }9 B. |- a4 A& `7 b;;判断是否给本turtle的评价质量做出过评价的节点
9 L, q8 p, P4 h[set note (note + item j ([credibility]of turtle (i + 1)))
. {. y8 W0 f3 p d;;*(exp (-(people - 2)))/(people - 2))]
( D& {0 p& L! ^( {set k (k + 1)
+ a B) Z$ U; s5 M4 X]! Q* z' |* k: \# a- J* N
set j (j + 1)( ?" @7 c& |3 c$ Z
]
2 }8 @) m4 _ M& T3 bset note (note *(exp (- (1 / k)))/ k)6 Z0 c6 q2 n0 h7 q( K4 w( G/ p
set credibility-list (replace-item i credibility-list note)
% ^6 a. K% i2 m wset i (i + 1)+ t$ S7 w+ C0 H T1 Z" l
]; d1 A& A! k$ y8 f
end: G+ s$ o& ]7 C' P4 Q! `
$ r' [* s9 k' q6 ]$ [0 jto update-global-reputation-list6 L4 w, m# p+ v
let j 0
# }. F( V. l0 x% Z" Rwhile[j < people]
# F# F' h5 ^7 o. F[; E6 Q& O8 b- l- i4 A; I
let new 06 X. u, Q9 B5 V8 ]! p# V7 g
;;暂存新的一个全局声誉4 ]; }' ^' r% ~. ]
let i 0/ D9 m; E5 @/ {- b0 R/ z3 ^
let sum-money 09 W* [4 o) `8 b
let credibility-money 0
3 ?2 P) K) h5 v- E* o3 gwhile [i < people]2 p! E2 @$ f; g4 o
[
/ ?* P) X9 K; g+ W/ Wset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
. M. ^6 ?; d2 M( Q% Oset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)): _' Y: P! F6 {2 z' n- y
set i (i + 1)
( D- z @. D+ g5 q9 g- Y6 R Y# ~0 q]2 g: j2 Q; `; K5 p/ L
let k 05 N7 y/ j! s6 e& W. t# ^& y6 v# C
let new1 0 M, [( s4 M) J' k$ [* @
while [k < people]
8 W6 O! K6 W* h4 X2 v) k[
" m* ^) \% v% @8 r: A0 Dset 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)
/ X( f8 x# {5 wset k (k + 1)
9 V: A' b0 r; P" t" b]
- S5 i( D6 D* P |' `set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) }9 O6 K) F+ K+ W
set global-reputation-list (replace-item j global-reputation-list new)
% @3 p' Q4 l# ^# Pset j (j + 1)
: I2 }7 y' f2 ~/ q0 q1 T' U]
0 D& t- r. ^, p9 d$ Z% d- t4 @. xend8 ?4 u4 {8 l9 |4 h2 ?; G3 I
5 C, T! I: p; \3 A$ z3 x/ C. q' e0 y& u3 D
: A p) c5 o$ l- F- A& G- J' X
to get-color
) O g8 H" W( L2 g# t- R) p& ]- g5 z$ Q
set color blue2 V3 Y; }. [0 h
end8 v8 [ Y$ N- w4 r3 x/ R
# B9 D0 i# I- E' G. x0 t
to poll-class3 j I; g$ n) o- r" Z: {
end2 n! _7 P- l8 `- F1 ` r T
3 y. M0 L5 [4 B1 A9 v0 tto setup-plot1: F1 @* ]8 } z! K& t, m
9 c4 ~* ]. |8 q3 C4 @" Y/ H
set-current-plot "Trends-of-Local-reputation"! k4 P% m' \/ M: g. `) H( z
- t Y5 `7 _5 W' c- \
set-plot-x-range 0 xmax
- X/ I" L5 v5 Q- ~
! E* `% R2 B) Z& [! oset-plot-y-range 0.0 ymax/ {9 y) a: l! w1 h+ V w: v
end2 q' l4 W8 i; S
2 g! O S! c4 }- C6 P2 a o8 N& Rto setup-plot2% K/ d, {& k7 X5 ~3 u* y# _0 ~
6 t: e: S0 T+ H9 s; F$ I- @( ^" }set-current-plot "Trends-of-global-reputation"
% \' U* Y1 o# L8 i: p
3 m; m" j$ H; T* a- H% Fset-plot-x-range 0 xmax
7 q% m8 x+ A) _3 _: c% t* H/ d4 R7 j( Z0 V. n0 C/ {
set-plot-y-range 0.0 ymax
3 ^7 L. M% h* Mend" ^: l' w& b- R! R" K* \
8 A5 S$ S) u& V mto setup-plot3
' r+ s" Q; q/ a1 w
* w. `; n0 g& v; ?& F! |set-current-plot "Trends-of-credibility"
0 I; `" y t3 q8 T) j/ s
+ _' }! q* o- W$ f$ N- qset-plot-x-range 0 xmax) |; O9 M7 e0 y3 q V, p D+ _- @
( x6 k7 B3 a1 fset-plot-y-range 0.0 ymax" `3 Y- B* d, d
end
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to do-plots
" X" N, K( Q- Y9 i- H' l; Q/ aset-current-plot "Trends-of-Local-reputation"
) P8 D4 q2 i M6 Rset-current-plot-pen "Honest service"
4 a' L5 K! K) U9 ^% F4 s Fend. V% I4 B: B6 [% h. Y) K2 z
: Y- I. n. y$ b+ G' D[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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