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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; ]+ f2 b3 D, Z( f
globals[) T4 c! x* _5 P; z0 A& @
xmax
% A, T# G; D# [; ~$ x, i& |" Oymax
6 ?" z& u0 F- `" c) |8 j) pglobal-reputation-list
3 U a% E- {& S3 b6 [
/ v" d3 L0 I8 |, c5 o;;每一个turtle的全局声誉都存在此LIST中
5 h% {4 L5 c& n: D7 ]4 N% vcredibility-list7 Q/ Z. Z) P U; Q7 x/ k5 @
;;每一个turtle的评价可信度
5 r2 l) e, w( Khonest-service
/ e% S9 u& p" o4 |, Funhonest-service
& T& h% b0 a, C, }, Yoscillation
4 u% c3 b8 m& Q1 t1 E% hrand-dynamic$ e, ?/ l4 \8 |' V2 j0 k3 K' V8 O4 M
]3 b5 D9 w( I9 R! ?7 l% P* L
) Z" L, G) b. V, rturtles-own[9 `1 A1 S" ^( y- U
trade-record-all1 i% u: C; V3 s: q) b; j7 ?7 \
;;a list of lists,由trade-record-one组成
" e- q3 a4 C9 D8 P ]+ `7 k( R Ytrade-record-one% V! T0 p. e% c( \ h' c/ ^" v
;;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 N. y D9 M5 f9 K' g
9 J, u, c2 E ]9 m; c S;;[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]]' k. N, v1 r( k( \ B# i) V+ B
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]
% k6 k2 J9 x1 a1 Z9 M& Z* `: U `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! t6 a( w* B8 {. L% p' o* A
neighbor-total, l7 ~5 F0 |/ ?$ n( v
;;记录该turtle的邻居节点的数目
0 E8 B8 ~( V6 Z; }+ O2 n$ B. O" Etrade-time
u* F% Q% x9 |; k! C;;当前发生交易的turtle的交易时间. K( c s: Y1 c; S5 M- e
appraise-give" m6 Z& L+ |: i2 k+ O' I+ v
;;当前发生交易时给出的评价
. A# p9 f( @( g5 K9 S9 }4 @( gappraise-receive7 U! b3 m* Z- V# o/ j3 p" j- r# f
;;当前发生交易时收到的评价- {5 M8 I6 a6 C9 T5 K& V
appraise-time8 ]! N# X% S: S, P' C8 ^
;;当前发生交易时的评价时间. D: Q1 y$ J# l
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
5 o7 [6 k/ ]4 m. x+ k+ wtrade-times-total) Z8 ?% S# W( [+ B
;;与当前turtle的交易总次数3 J5 u6 j$ g0 `7 M, ~( }
trade-money-total
0 n! k; ?: f+ g;;与当前turtle的交易总金额
, x, Z) }$ t6 C! Blocal-reputation
) Y C1 S' }% Z& _; F2 T% mglobal-reputation6 ]: v! x& R, R' b
credibility0 _( P4 ?& S1 t$ m9 x
;;评价可信度,每次交易后都需要更新
U- V& w7 B8 Y1 M" \- fcredibility-all9 a, P: d- N* R" _
;;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
# i7 {& X# [ @+ d7 e' x" y7 r$ t% W! N1 ~7 \4 w1 W
;;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. m" d1 N3 X, e" Z0 m
credibility-one
4 u) w" t* E. O2 _# c* p;;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
2 C- Z/ A8 D. K5 }global-proportion
, R4 t9 c# k" M3 ^2 s Fcustomer, J1 P9 U' R& m% @
customer-no) \# R9 D0 L" P2 @- {" ?! e
trust-ok
" [, S, g2 l) ?. E M0 |0 R3 [trade-record-one-len;;trade-record-one的长度
- M' S6 S( A4 Q]
! y. R0 {9 K, Z2 P. }% A: l: Y* v& I1 c% H `
;;setup procedure3 M( ^- q$ S$ W, g: C
2 ^" k- Q7 R) t+ C# G" Zto setup
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& W2 J# t+ v: Uca8 H' C0 f9 z0 i: K# m
2 q) u- V( z" z0 X! _& ainitialize-settings* a3 t. Z/ j: N/ x7 R
* \8 {' _' q$ L# E
crt people [setup-turtles]4 w0 F- I- j) b( S+ Q
$ s9 s3 [2 p3 A/ I
reset-timer2 Q* | q- b9 |9 ~ \! g
+ ?( N6 q1 ]& [" o7 N8 n9 U& V" i# D. m: Zpoll-class
% h) Y7 q: r9 M- t; B3 O" u; V, u, P; V, \3 L8 Y2 K- X
setup-plots( u1 n* i) S4 Q5 N
7 ~6 v3 F( m y8 _
do-plots: J2 _, m& ] S# {3 u7 G! W
end
# @* X( P- f) j0 W" ]) T/ Z% _' B5 \4 |
to initialize-settings$ S" B" f6 i7 }. b4 I8 r
( u/ K- f9 Q5 H; [0 ^, n$ {4 a
set global-reputation-list []
$ E/ `4 F3 O" q' W& q# ?
3 q( o: y) H. a9 a3 Q2 ?set credibility-list n-values people [0.5]
. a7 U' M, s; ] t
! }: \8 d. c0 R; {set honest-service 0
# H5 U3 {% x* z" \! A, ]+ j
* O6 P" ?6 ~5 x( C2 g4 Aset unhonest-service 0
# q& k& z+ ~, \4 R; A% x' w
$ [5 J8 O V6 s! F$ T: @% q% V/ Zset oscillation 07 o# E0 v4 T) Z$ d
( j* h5 ^; g0 {
set rand-dynamic 0
. c0 w! ?- _. I: J5 }9 { E9 tend" ^+ o: m1 n2 H9 [* i
8 |! @3 P) Q$ y7 {( d- {7 h
to setup-turtles
, ?; s; v" ?6 S( {2 r9 ~+ u, Cset shape "person", q; I# v3 \, O* q1 d/ @9 r7 }1 B
setxy random-xcor random-ycor
! }, { Y; l) Q/ _; fset trade-record-one []5 ]: ]( r/ E; i/ W; F* B
( k' c l2 O/ J" x. U
set trade-record-all n-values people [(list (? + 1) 0 0)]
0 H/ b7 o) b$ r+ D1 S/ G) f+ G0 V; x) T9 V4 t
set trade-record-current []
8 N+ W" f! `9 W* Fset credibility-receive []/ X- l$ B7 b+ O" E1 ?" L! X" ^- D
set local-reputation 0.5
: ~2 I3 l3 J1 U. i3 {set neighbor-total 0
, f, S" f' l' Z& vset trade-times-total 0
+ d H: P; f% C- P6 |2 Gset trade-money-total 02 Z1 i( U' C9 b/ U* z2 |
set customer nobody* R/ _ B; |" q/ X3 u6 I
set credibility-all n-values people [creat-credibility]
' b8 O! y. A( B( c" R& F( Hset credibility n-values people [-1]
& t8 P) K f7 X- iget-color
- l& d& Q8 X j7 v* w. {9 [2 l1 }/ v2 {, j( S
end2 V- k$ ~5 f# y' u; O
" m3 Y8 S* I* A* {/ ^
to-report creat-credibility
# s- S9 ~; s: E0 c4 Q2 g% E t: ^report n-values people [0.5]
- o' |( s" O7 `end! `, q' @1 p f8 z
0 q5 N1 R \- F
to setup-plots8 Y7 F: V/ w6 w+ {: g# | Q
# z2 F ] m: R2 d# _( vset xmax 302 H0 A3 b% x2 O
4 s3 G3 Y' B5 B8 Y2 ^) x
set ymax 1.0
, `# q! C; W( H- y" b
8 J- ]) i, F8 g1 L( p1 p, z0 fclear-all-plots' G) H5 Z; u. F. c2 ?; _
L7 x0 V+ c! L ?7 a" Y
setup-plot18 P6 [; d+ {4 M1 v) u+ x( U
+ }( c8 Q7 v) Y$ a" h" V
setup-plot2 p6 U0 f. o% |8 h$ |" n
/ J! f# R3 s( c: Esetup-plot3
8 ?: r/ V: B6 ^! _end+ c& E# u) C# m. D$ U* n; L
. B" r b" _$ n8 }4 X7 c$ D4 t;;run time procedures
( u' Y. z! f4 l$ ]4 T, ~5 T
( P" z3 D6 U0 c9 g" {to go4 c7 q% L+ h% k. ]4 P/ d8 q- L; u
5 e1 e s* p# }6 p3 ?8 Z' P' z5 Qask turtles [do-business]
3 O( I3 b1 t- q% r) `end6 M/ b( g8 z8 _5 [+ p) {
, r: y6 o) L' Ato do-business * L9 _! S3 P3 [8 E U, X
$ J# `! l- _+ K+ r$ |5 A
6 N/ M! h# z+ \6 e. v; [0 [
rt random 360/ o; q2 ]6 x+ P0 c5 w' C9 _: _
8 U, r* b2 w3 R; R+ d
fd 1
& ^& ]$ j/ `: z+ \7 u- k
% ^" o5 A% `7 i, Xifelse(other turtles-here != nobody)[- v. W/ O& z3 ]1 ~" Z; f+ \/ e
+ h4 O) }! g8 W- |6 C$ ]set customer one-of other turtles-here
6 N1 w( B3 h4 k4 d" W, B; x7 g: d h2 H4 T" w" b7 h
;; set [customer] of customer myself9 L; a0 s0 ~ k' R6 e
0 D4 u% M6 I3 c% a: a( h& n& iset [trade-record-one] of self item (([who] of customer) - 1) |# C7 f& F* I
[trade-record-all]of self) y8 N- t- I! b
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self) k4 {1 b$ f; e
( z @" Z# S, M7 U, s7 zset [trade-record-one] of customer item (([who] of self) - 1)
, A3 |# M- L; ]* |0 D[trade-record-all]of customer
7 y& H* O& _3 y" \& C! c1 e' \& [! \
set [trade-record-one-len] of self length [trade-record-one] of self
2 i# }3 x- [% K, Y1 V/ n) K1 ~
2 l5 t0 C- ?( |, K3 K5 yset trade-record-current( list (timer) (random money-upper-limit))* w; }9 z8 w8 T- t7 M
* U+ ]( v9 X+ {ask self [do-trust]5 _7 R! }* f3 b! B$ v/ S
;;先求i对j的信任度( w, y$ x. F9 [$ }. m
) p5 b' |# w A" t9 C5 Y# n dif ([trust-ok] of self)
$ j) {6 f; `! [ ^) b0 L' `3 N;;根据i对j的信任度来决定是否与j进行交易[4 ]- [) r1 k* d- a
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself2 W* m1 O8 d' h# |
) C; }" d/ q# Q2 {/ R$ p C
[+ K4 a' B& c1 r; g. x+ s
; I c9 Y" @5 Ado-trade
8 w" H1 E! a4 U0 M+ \: W+ G* ?; x+ z
0 L" v# J4 Q; @3 G: xupdate-credibility-ijl
8 Q' \* t. q7 _( ]
( J$ M: Y3 _- x) s7 U; Y9 dupdate-credibility-list
* P# G3 V: ^4 u6 \# B$ |& M
8 o- k6 E$ t* ]! z `3 _5 @2 v, Z( T% y H9 S5 ^
update-global-reputation-list' V- ?* e" w: g! G4 i) [
2 K$ x6 I6 H& @& n* Y, L/ v
poll-class
5 W# S* c/ `; ~8 e2 j! S/ L, `, o: V& K* }6 F% g
get-color/ j# c0 V; I: m0 e4 O6 J
: p$ `8 t. r& I" w7 n
]]4 u$ V+ x' a# p, W9 q( r
Z) J% U% _- ?8 g4 J
;;如果所得的信任度满足条件,则进行交易
1 B0 P- ?$ ^. |) D( ~
# X5 k6 z. y6 T2 b) V2 W[/ [0 D7 H! |! J; R8 h- H# D9 i
; ?$ U7 q1 V0 R- o; O2 \2 c" w
rt random 360) Q3 Q" ?! [9 q- L& S0 `
0 y% k4 F' E3 S* Y$ n3 g) ]fd 1
; S# R( J; d* Z1 P. f) {' v- _6 B& h# M/ }# R
]
# O* x- z5 u8 c" S/ Z* D, t5 Z1 y+ {3 D( P/ q
end
. W+ z6 U+ N0 Q+ W% _1 T) L4 \' F* t7 J; f; }: D
to do-trust * Z2 q9 Z( O* `3 H
set trust-ok False# m* U |: B4 A" U/ N% D
/ E8 z- o! Y. w W
1 r& l/ e8 s# V& m1 F( p
let max-trade-times 0
6 K+ F* i }# f2 Qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]% @' s3 y" n! J+ f7 E
let max-trade-money 0
n/ c& Y( J$ [3 @7 x/ b9 V, pforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]8 L7 X; h, p+ s0 Q" E
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)). e- u3 z5 K K# t2 B6 v1 p
8 @# M/ w9 F. t" D# y
. o8 H. `- D$ I: b3 U
get-global-proportion
5 [/ ^* M6 F- v0 v. Klet trust-value
, P/ x8 r: j8 q* h8 Plocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list). [5 r/ l0 B5 ^7 Z7 W2 p2 ?% w+ [
if(trust-value > trade-trust-value)
Z- [' `: N: _1 p$ W[set trust-ok true]
( m* l" Y3 s% X8 y" wend
) K( q0 y6 B+ s: u0 g$ j. Y5 \& _! p6 j- l. K* g' D; N% I1 W
to get-global-proportion9 Z! g( v! C6 L$ `- x& ?" m
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)8 u! `' T) p i3 J l
[set global-proportion 0]1 `4 O. C! z9 z) ]0 j* Z
[let i 0
1 ?) X$ _8 j. ^# U f, g/ \let sum-money 05 E1 r! h3 M1 B
while[ i < people]& K! w5 m! d0 x; I7 r0 v
[8 j, M' V( O- }& U
if( length (item i
) |9 h& X$ y; v5 q0 v$ t3 Q[trade-record-all] of customer) > 3 )# T0 U1 j" w [$ M1 S- n
[. K2 \9 K; p! x9 o) q
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
& c7 W7 z/ ~. b" D3 e' \]) Z, `+ ]) ]& S
]# L; `. P6 `; U$ j7 M
let j 0- F e4 j/ ^+ {' ]' O* U6 N, S
let note 07 [; ?1 S) N- n5 r- G' C N% U* X. G& J
while[ j < people]
+ u! T$ T2 Y+ H0 E3 u; l[2 K, Z# }* ^5 K0 V
if( length (item i
b/ w7 ]. r3 z5 D: x3 q4 T$ D- b[trade-record-all] of customer) > 3 )
& ~ t5 f# g" ~ s) \. S' T[
/ \2 q9 ]+ y9 M( ]5 k( Rifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
4 X9 S t7 @ b: F% B) U[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]$ T% Y! S; ^# [+ n" r* Q
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
: Z" i( Q/ _/ z. O) ?0 ^]/ ~) A, b1 x, m* {
]
- |. P8 Q9 g6 c l2 O, Mset global-proportion note( Y0 P: W x8 X, p& \' e( ]6 A
], G' X% l2 ] O/ C5 h$ f
end
% H7 ~/ a$ T8 Y6 t
) D' A3 d# o& u4 s& M) |to do-trade
) ?3 W2 K" o! H$ C" V$ Q z;;这个过程实际上是给双方作出评价的过程
$ \( T, c9 }2 {9 s% r, Tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
! F6 d1 j0 [$ uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价4 _5 t7 l% [4 e- u
set trade-record-current lput(timer) trade-record-current
2 S; q. H0 r4 g& [) E% p;;评价时间
( |" J' w0 V0 b8 o, c: pask myself [" `9 o. k% u+ A* L1 ]2 q
update-local-reputation0 s$ m4 L+ {* x/ m9 m- a9 k [
set trade-record-current lput([local-reputation] of myself) trade-record-current5 d4 G' W I: B
]
. z t$ b# I1 Z4 xset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
. b J, p" I% o" s! ]+ ~;;将此次交易的记录加入到trade-record-one中
, F1 [" h) M T5 o* I( t9 Xset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)5 D& c8 g' J0 Y8 V& W
let note (item 2 trade-record-current )4 k& t) Y7 L2 e! W4 [" p# r' X
set trade-record-current
$ H! r! O0 r0 f# V+ X5 s(replace-item 2 trade-record-current (item 3 trade-record-current))
* L M0 }7 {0 ?set trade-record-current- v; ~! z7 o& E. ]# S7 W
(replace-item 3 trade-record-current note)
8 ^2 C; O. ?* s% n5 C5 f/ ^
2 K0 A+ f4 v L3 n7 I* G: ]0 b( L
# l" e' Q% p, b) m( E, H: zask customer [5 E3 F6 v0 a7 S/ h7 c1 s# l. O
update-local-reputation: Z9 v$ ?4 Q- K2 c& { r
set trade-record-current) |' F( [0 C1 q0 O5 m) p; X
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
6 @: |8 @, n/ Y9 D' ~]$ z2 \& D7 x% S# E
# _% p- O0 ]( ?7 q/ F0 @
5 M( J% `) f: Y. _( s4 M0 kset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
% Y4 ` Q+ r, m) n* R3 b; T- W
7 i+ Y, K8 ?, P$ a ]set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
0 V, x" m. W2 K5 N$ \+ m3 L;;将此次交易的记录加入到customer的trade-record-all中9 a4 a0 i4 Y! t
end
7 f/ |6 b) r/ u0 I6 h6 E7 p: [
% B( _+ V* M& s, d8 `to update-local-reputation
( Z) t' C( K9 ]; `0 I9 \6 [& Xset [trade-record-one-len] of myself length [trade-record-one] of myself& l* \( M3 s5 p8 V
' _2 E3 k( j7 D0 l n+ a
& O4 i5 z2 ^% A# B- G/ N;;if [trade-record-one-len] of myself > 3
% V' P3 i3 g" w5 m3 Zupdate-neighbor-total4 b6 F: _! Q' e( a8 R1 ?
;;更新邻居节点的数目,在此进行% a) h0 V4 _" |1 X1 @. f8 G
let i 3
1 v- x2 R& S9 g/ O/ p+ `5 ^let sum-time 02 h/ h# R* [9 X
while[i < [trade-record-one-len] of myself]& j- A' X- `1 ~9 p$ Z! t- S" Q
[
q/ P( u4 N3 h6 U2 y4 E. K- vset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
# |2 L8 @9 G6 _. Aset i8 J* n: i) j2 O C2 T
( i + 1)
/ G$ p/ _9 ]. E6 Y4 u8 y8 k: F]) r$ R$ |! Z6 z6 s4 {6 e8 p
let j 3
( L. ? Z0 d8 _2 f* Tlet sum-money 0
6 c+ J2 h7 N) ^4 a& Uwhile[j < [trade-record-one-len] of myself]
2 C3 S* q0 t3 S( ~4 Q[( Z7 S% p6 ~: ~8 w7 e
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)9 l- u4 d( P4 G' Q6 s
set j
6 f- J* _# D l9 m( U0 a3 s7 M6 T( j + 1)9 |3 ~ N; L( D+ `
]
0 P6 ^* d9 i, a7 U$ s5 e& ~" \let k 3# U/ f1 T6 N+ `5 \" p" u
let power 0
, ]& n1 C6 \# \* q Q5 i2 Elet local 0; w8 D7 E" p' w G3 n
while [k <[trade-record-one-len] of myself]
7 |: ~8 p5 x- ]: Q8 H2 \[
0 R4 c$ V2 x' \, Yset 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) 3 y E) j" k! \; v2 ^
set k (k + 1)
# E H# G- y! `/ C0 n4 b]. i8 D! h: _& K/ B+ v2 m: P
set [local-reputation] of myself (local)0 {, [8 c4 P! j `2 n1 O# S
end+ E Q# W( F" A( i
) M5 Y" f0 g, r/ X2 I9 Vto update-neighbor-total
: _% A! \' R p, C
' \8 Y' O0 j, f0 s S% p" R8 kif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
. [; _: Q8 z; A7 ^& T( Q7 y. @
3 Q% S7 C' v# Q
2 \, p: D3 h7 ]. s- ^8 b7 O* }4 C3 Jend% e8 d7 U$ Z, D" ?, s
6 h. O2 ?4 P8 e) b' m$ B W
to update-credibility-ijl - j* s9 D! I$ u {6 t
/ M2 k7 \& r. R, H( i9 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。6 e& F1 D) M# D( I
let l 0
0 W% \1 s. u2 M2 H7 }while[ l < people ]
0 Z, c, @' G% F+ E' U;;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6 S' g+ o. _. N8 R
[1 P( `/ y3 _4 `! A E1 y
let trade-record-one-j-l-len length item l ([trade-record-all] of customer) e8 @, }- P9 z* d4 }
if (trade-record-one-j-l-len > 3)
2 [* H0 C$ K2 [9 p[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
! @8 F1 H6 F5 }' Zlet i 3' x# y$ h/ E: |# J2 M6 |
let sum-time 03 P5 M6 C( F3 p) N1 g# y M6 `
while[i < trade-record-one-len]
3 _% X8 c0 Y. E, y2 R[4 J& @2 Z! h5 A9 O" W# x
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
& y* @9 y; S: Pset i/ n1 H* Z8 G3 J
( i + 1)
9 S9 O" k3 F; n: e]/ N+ B- l" B( L8 |
let credibility-i-j-l 06 l9 ]: x' {. h
;;i评价(j对jl的评价)
h J0 N- ^$ l- j) A0 }+ Wlet j 30 {) x* `% _ U( K; D3 ?6 @3 u
let k 4
6 ?3 l$ F& {) n- }$ |while[j < trade-record-one-len]" u2 r6 |0 w5 K A% s7 V( d+ f, E
[
Y7 Q% w1 z- n3 cwhile [((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, o$ c1 M g6 @5 a3 I# h
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)
2 K- W8 I# }$ b% U5 Wset j
: a% D4 U! u4 l8 Z. A. K( j + 1) g3 F( j- U$ d6 {: X; ]9 s1 V) Z+ T
]9 B' y6 [1 D8 O1 B. f" Y. b
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 ))
2 g7 X# h" Z* W% E7 C6 P* ~( _ Z9 S# O6 D6 [6 e$ r
3 A! [1 t, R: Y9 D7 f, v. D
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))- B: ~6 _$ Z# r9 m+ {
;;及时更新i对l的评价质量的评价4 W* V6 _: `& y& T& d
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
# `$ d' Z$ y% \" Jset l (l + 1)) R$ w/ @7 e7 L6 N9 L: u" j
]
- T! b1 {3 \; @+ i. |2 jend: H+ i/ m4 V3 z& n5 X2 H( O
$ G3 X. t- A! c( |' O0 @' w( E
to update-credibility-list
9 \9 Z$ ^; p+ o! b# rlet i 05 R) S4 Z8 s5 I% [0 f& d [
while[i < people]: J3 E( S/ L* X4 e: A- Z. o: ]
[* |- @ W4 E+ G8 y9 h& f# i. U
let j 0
! U" o5 _& F/ ]let note 0
& V; q2 F6 H' L4 F: c0 S2 Wlet k 0& L+ U# r% H; U6 i' h, i) v
;;计作出过评价的邻居节点的数目! n, t& x! ~$ H# N6 e! Y' C3 O+ Y8 w
while[j < people]
) z, O' I1 h( |[
; N3 x% x4 L: R! ^$ I+ Sif (item j( [credibility] of turtle (i + 1)) != -1)
# V& C* A8 @ {- X;;判断是否给本turtle的评价质量做出过评价的节点6 j. E, c+ f3 t6 F- q$ N2 X' H
[set note (note + item j ([credibility]of turtle (i + 1)))+ F. `; V! k. L. ~- _2 y
;;*(exp (-(people - 2)))/(people - 2))]
& B0 e. }- X" T& W1 B: w2 X; S1 h% d* x% Mset k (k + 1)% y! ]/ C* g1 y
]
& M/ w/ a6 ]. Sset j (j + 1)# [) a7 G& m7 v) v& W) y6 Q
]* V8 z# p: d* p$ y8 u
set note (note *(exp (- (1 / k)))/ k)
( K/ f* |2 _' g2 X3 O! O# p- Yset credibility-list (replace-item i credibility-list note)0 C m& u; \ J% a7 p
set i (i + 1)+ q+ h c% A1 _0 A- B- O/ o9 l* l$ x
]
8 [8 y t% ?# nend
4 q8 c$ Q6 r: E2 E/ M/ K
$ {7 l( y ~, k8 m7 j5 zto update-global-reputation-list/ ^5 r/ @3 E; n. H
let j 0
2 R6 s" H* x. uwhile[j < people]
! w" ~4 y; F0 |# ^8 b) _[
! v, k9 h% M7 O2 {; E. z$ H0 Rlet new 0
9 p: V x& k% u& }6 \! D+ ];;暂存新的一个全局声誉1 S- { c% v! l( T0 A2 [8 T
let i 0
+ ^. y1 P/ @. S3 clet sum-money 0
& V6 L( h; x4 F# llet credibility-money 0
3 \ v k s) uwhile [i < people]
/ Q \9 R g) }) C[" B0 V# J4 n# w2 F
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% f( e4 H- r2 [' u2 V
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
+ S$ c9 T6 `9 O; cset i (i + 1)
& @7 J% |, B, n7 s }]$ P- c8 c1 j: G+ |& ^
let k 0
3 r6 e, M/ B% clet new1 0
( W: Z4 ~# |3 G! l$ `9 b6 Twhile [k < people]9 W" l8 f( ~; t; B% \, |
[6 d3 o$ m1 D/ ], M
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)$ G1 o$ \, S2 w8 Q$ J/ l
set k (k + 1). b6 l( t* |5 x0 W' I. ^! C0 P V
]. j) w2 h [+ f# w% x+ M* h! t
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) J& c8 Z! X' e3 x1 Z: u6 T
set global-reputation-list (replace-item j global-reputation-list new)
# M4 w" |1 }: R% a' V7 sset j (j + 1)3 y; ], u0 T* W* `" Y# s
]
8 y% V) h. h8 h$ {$ l1 V- H. fend
4 ~7 I3 p! s6 ?6 q+ \2 b
& c2 e! j. L2 z3 _5 M/ I3 N+ _) u
, k( l- E. K) X6 H( A4 _! G7 r
to get-color
8 g5 e1 A- `2 R5 w/ _$ Z* p
7 n7 \7 W `5 \3 ^" [! _9 B( D; Q& F) Eset color blue1 A& r$ ^4 t- P- N. U1 D/ }( f0 y2 {
end6 z- N/ q$ B/ I& P
( ]( d0 U9 y9 E) T
to poll-class
6 l' s4 Z0 f3 N! T% g* ^3 k9 v1 wend
) h& }, u; |& X& f, ]& z, u# i8 B1 U9 g, n
to setup-plot1/ G9 B2 Q* o& Q) M: s; l8 x
2 W! B$ @8 S/ a- P6 v
set-current-plot "Trends-of-Local-reputation" ^! ~7 Z! t \4 H- u6 C( E$ z
9 x5 n, e- t+ F6 y9 C7 N0 Rset-plot-x-range 0 xmax
: e; w* w0 c9 J; e; a/ M2 A6 g
2 p$ }0 L* u4 `8 Q p) U# yset-plot-y-range 0.0 ymax& S5 [4 C) W$ b2 u! Z
end
. d @) q3 L! H5 v
4 z0 O1 q$ B) }1 f9 V( g7 i. dto setup-plot24 b- T. h. X" F! J& A
0 p1 R7 W* V( L1 L! Qset-current-plot "Trends-of-global-reputation"
9 ^. L g/ |' r* I
2 {4 E5 M" {7 }$ \/ U9 w x4 ^. D1 Lset-plot-x-range 0 xmax
$ ]& h5 C% s! {8 O6 V' Z, x# V
' J) Q: E8 d$ B/ d4 Wset-plot-y-range 0.0 ymax* i* n( i B/ k9 e1 E4 n
end
9 {" T2 m" j! }
% l' O. _( G, S& d' yto setup-plot3
' E4 K V5 \% h T! K
2 e. ]# _' y7 Q0 c) Tset-current-plot "Trends-of-credibility"
- G9 B9 ^6 S. J5 y1 J( U" A4 {! p& L/ J4 g
set-plot-x-range 0 xmax$ { |+ ?% K, H: {7 A/ A* A9 h3 r, ?
4 W& _& A$ a/ Z" p6 Z, j) |% ?set-plot-y-range 0.0 ymax% P: v! v+ e. I9 i- O, p
end$ ]% t' y: h4 I4 Y+ l1 _
2 M; H' k& H. z2 cto do-plots' [! d8 u2 D$ H2 z/ C
set-current-plot "Trends-of-Local-reputation"$ b+ ~6 ], D5 f
set-current-plot-pen "Honest service"8 Z5 g* x4 u. F9 q) L {) W
end
/ J) h/ @6 k+ \4 o# {- k/ P5 @+ R1 X9 N* H. Y1 }
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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