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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! h0 g' W6 S* P0 R$ I8 O
globals[
6 b+ y" C3 ?( o1 g% Xxmax7 ^+ T2 N3 C/ z+ E
ymax
# [; E% S* x+ [/ Rglobal-reputation-list
! r5 b5 c4 T. P+ k0 Y1 C
# ~: ]) o4 I: x, r& x t8 ^* x;;每一个turtle的全局声誉都存在此LIST中
' `/ k0 f" C( w+ X6 Ucredibility-list) v5 I( a7 ^$ d+ u: E
;;每一个turtle的评价可信度
, U- U- B8 T b, V# _9 Vhonest-service% w2 \& L+ u2 ]( n9 N! L
unhonest-service
% b6 J9 J+ K( l$ J' o$ o9 G- |oscillation. k0 [% m0 \5 y0 T7 H3 l) d
rand-dynamic. c1 G$ h- Y( q
]( u' V. ~$ ]2 R7 I) B
$ ~! d& D4 w1 \/ x, gturtles-own[
* L7 c' Z& |4 p* Ptrade-record-all) L3 j0 X7 f! [! Q: Q& h
;;a list of lists,由trade-record-one组成
# r; B# [- C5 Etrade-record-one
* a" ?. u- O0 I8 b9 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) W* b6 H* L: k/ z
% _/ Y4 z3 X4 u. b, ];;[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 k6 U; c- U4 P. h; {5 `$ Z3 Jtrade-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]
4 z- Y+ Q+ t/ X3 ]! Ccredibility-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 i( T4 I- h% l8 _' J% g( X, \/ z
neighbor-total
0 m8 W7 p- u2 s" M) g3 x* U;;记录该turtle的邻居节点的数目
6 R! I7 @3 ~' j+ }trade-time: c5 E( y5 J$ I0 ~) z& T( |4 m
;;当前发生交易的turtle的交易时间+ @5 [9 {; A: q$ P% J2 b
appraise-give: |" I4 @% P! O0 s2 K0 W S0 f
;;当前发生交易时给出的评价 a! w# ^ [4 `" F
appraise-receive
# E7 y6 E- `/ \2 o! M;;当前发生交易时收到的评价2 O1 o; O2 P" l* u5 Y- l! u4 K! y; s
appraise-time" V/ g y% s& \$ b _) Q( D- N
;;当前发生交易时的评价时间
& u% M: ~# p( klocal-reputation-now;;此次交易后相对于对方turtle的局部声誉% j' v. K' c0 X; T) l
trade-times-total
, Y9 @4 |+ O$ w/ X;;与当前turtle的交易总次数7 B/ G& t4 s7 g
trade-money-total/ ~( Q# e' `. i4 t
;;与当前turtle的交易总金额
' x A, e6 ?, L8 T2 }, Ulocal-reputation `3 x2 i: d4 V# B# S
global-reputation
; c1 S% F( F# D5 g1 H4 Icredibility
- ?" ~9 a+ t: K- C: d3 \" i0 @+ w;;评价可信度,每次交易后都需要更新
! { N, K( K D6 acredibility-all: }% M7 s/ `+ U4 c/ c
;;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/ Z: s, Q q T; B; w* q: U* G
! F7 H! u/ \) o* A* s# L;;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
9 W5 j: ^6 D3 H% t* ^% v- Wcredibility-one
4 q/ Z4 @% I3 ~; r3 M1 d% x1 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0 b7 f/ O4 ^ J$ H; q! K
global-proportion
K+ r; Y1 M. ]9 w+ S- wcustomer' [( B: N) J6 x' R( P0 `9 k3 L. O
customer-no. m9 j o: j- Y* {- e v, z
trust-ok5 x+ x$ n. C' z/ f- ^; o& |
trade-record-one-len;;trade-record-one的长度3 h, U# N2 i) _# {" b$ Z4 X
]1 Y8 A) y# ^! g2 w- `8 `" y) \
4 h& k# |4 o1 h) n( X2 d
;;setup procedure* G8 J) I7 b; I3 W! s0 L! n
8 k0 h. \- d5 ~: x9 L& I# zto setup: s2 U8 K, `& X9 x; W" f
% X- a" J5 Z2 t5 nca
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initialize-settings
: c+ f2 K, z: w9 r
5 `7 G. n, W& ], Q3 [) Acrt people [setup-turtles]9 L# q9 v5 b$ l; b. ^9 ]
, s7 f4 p" b8 ?- O0 O" R
reset-timer
, y9 P" Z4 h0 `' C, \% I! W: O+ {! d6 k9 L5 `+ I ^
poll-class2 ^ {' w* A9 g4 ~
) j, m) B4 R% [. A; Xsetup-plots+ T+ t8 D( u( B" H2 p
7 k! c3 @9 ?1 U4 r( o' w
do-plots
$ [8 b7 n% I4 }% T$ N$ ?5 ~5 Zend/ p, o& ?' K* t
2 m$ S& \: U' z- b! Y# `& Ito initialize-settings
6 ~" L% g4 c5 @- `3 x; z0 v! N
. E" y) g5 l8 l5 X$ t/ w) A8 s* ~set global-reputation-list []
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set credibility-list n-values people [0.5]
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set honest-service 0
W6 f* g; [" `1 `9 D. G* j) `& M- K4 I- K! M: M( L5 b7 E" M$ r
set unhonest-service 03 ~+ w$ d/ \, w, K; K9 y5 l6 t* A
3 S, h- Y2 X; Z' a$ f% D, Oset oscillation 0
+ b! u% A" S& d
* k7 M5 f$ Y6 _; U$ c. xset rand-dynamic 0
3 l4 M% V/ U4 ?4 r/ aend* j5 _! Q3 X Q* f
% Q# u2 H6 A: }& D0 d# n% ]) H J* Eto setup-turtles # J+ j, [9 f1 t1 ^7 ^- A v+ D
set shape "person"
% S% I- Y( ?2 U+ j. H, n' m5 p6 Lsetxy random-xcor random-ycor
; F/ Z R. J+ D/ l4 g) ]set trade-record-one []; V) f2 S1 K0 D. [# {
$ d7 ?8 g4 R hset trade-record-all n-values people [(list (? + 1) 0 0)] 1 ^# Y! C7 {: M2 p( ~
5 z2 l) N7 u+ N
set trade-record-current []9 A# X/ ]( l0 }: S5 Y2 O
set credibility-receive []
( u7 \& g; t. d1 \set local-reputation 0.5( z. {" k, H1 m' g3 M
set neighbor-total 0
0 b) @% W- W$ L" Vset trade-times-total 0
9 F. \: N' l7 S2 vset trade-money-total 0
' [' j* U- i- J" {set customer nobody
' K2 `% u) D, L' @set credibility-all n-values people [creat-credibility]$ }; t# w7 F: i! z: F2 _
set credibility n-values people [-1]
v! f2 ^0 M3 x0 j9 g! Zget-color( q# _# @- J; T3 o& @
* G. O3 l% \+ r/ r5 L( [* ]end
. Q' h/ v% V( L3 z0 i* Y
/ o4 e6 O5 R6 `$ q4 Q7 @to-report creat-credibility
# f9 G4 R8 U! d9 N& d* H; N: Zreport n-values people [0.5]
5 H( K* b( }4 ^/ Q/ ~0 zend% s0 H) @ B' Q- ]/ x) c* M6 x
p$ a/ o7 Y- U& b3 Sto setup-plots
# t% h/ z! ]; _4 {5 k+ E3 p0 O! E4 n. E+ S% h8 P; v
set xmax 30( Q3 I& S1 s6 z
3 c: q: Q- G; c# N. z4 C+ y) z/ a4 m0 Q
set ymax 1.0
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' [ B Y3 c; }: g4 m5 T( jclear-all-plots
, ~+ ~7 U2 k: W& v
y7 F7 M6 q6 a j+ ?4 _setup-plot11 ?% `& i, y; P# { P
. {! ]0 f4 Y1 [( X
setup-plot2
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! @9 W6 ?2 y# r- G' F1 N/ v. Esetup-plot3, y3 P, Y, d* P$ o6 ~3 O' I
end
& U( C, i7 V, l" S$ H" U/ i
! N$ o, i0 Z2 c6 ];;run time procedures) b( @! ~: \7 Z
; ~7 {3 ~ [5 R2 Q5 f4 p# J" Q
to go$ _. t5 U# K( f U; N* C( k% w( v/ q* a
7 C" g- H) ]. T6 [ask turtles [do-business]
( i2 G( x3 H7 ~7 n9 g+ @end/ {1 B8 D+ v }, o0 O/ G
0 q: }8 \8 z* X% _' sto do-business 3 m4 P% q& Q6 b3 d8 e
3 M. w- y, }1 I5 [
2 N( t2 x8 z1 K. y$ ?6 O- b, Vrt random 3602 q2 K$ j4 O+ G; Q! n& I
3 n' o* u- p& c. k- H" P! Z/ J8 Gfd 1
* ]* W5 h# t" {: H5 @
3 u+ u% f7 W O" h9 rifelse(other turtles-here != nobody)[- J P' G6 u" S4 t" ^5 b9 I; T* t
: V' ?' m7 B3 Z% b' }& y0 ]set customer one-of other turtles-here$ r% o4 v$ _# R3 K3 X
( D9 ^ I4 G' u
;; set [customer] of customer myself. p0 a8 J. c* N* \: [( q3 z8 y1 H
9 ^/ s, x3 t, y: [, Oset [trade-record-one] of self item (([who] of customer) - 1)" A/ Y+ z+ @: l0 H
[trade-record-all]of self
# e |0 H. ?# g! d;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
b$ V$ n; o- y, _2 P. h
6 |8 A3 F2 v. r8 G3 J+ J7 jset [trade-record-one] of customer item (([who] of self) - 1)
( N1 K5 Q! z) f. F[trade-record-all]of customer) \6 F9 M3 A2 A( X8 m0 |; X
1 ^7 ~- x4 h# b ?; Q, t8 W
set [trade-record-one-len] of self length [trade-record-one] of self0 q. K- j) P. U2 g$ K- [
9 f# T, ~$ ] R- gset trade-record-current( list (timer) (random money-upper-limit))
% B; M K2 k; h6 _5 R- E3 Q- U2 e7 w. r3 ^8 p; {" |3 ]
ask self [do-trust]
* S4 G# e8 L( u, U" z( Q2 Y;;先求i对j的信任度
4 m8 w1 S- [# N/ o+ ]) `; q
% j% }0 @" ]( W3 e( G' cif ([trust-ok] of self)1 p2 N4 V" M$ u/ H! Z2 i4 A
;;根据i对j的信任度来决定是否与j进行交易[8 C2 { S6 Y* m3 a: E3 X3 Z
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself& I% I4 k: K& I! R, m" f7 G3 @7 \% A j
4 H8 m6 `5 ~" R! G
[
4 r1 _) [5 X: k$ N
: Q9 Z. d& C6 `( S0 Gdo-trade& Q+ l6 G. T3 l1 a& A! U
" {) H; N+ j% o) B
update-credibility-ijl* p O3 X% \* T% W, G! d2 e
3 N7 D4 x* n% T/ W( X/ P7 rupdate-credibility-list
) Y9 F: b- j' |% ^1 I; T2 s# t9 q! \5 m" z3 s# a
9 k& p2 P; E& }
update-global-reputation-list
6 U7 q/ S& l5 H/ ]: k% O
# D; T" X. `' z2 C6 opoll-class2 T. E& ?6 l# W& g5 l5 z& P: o( j
" c: @: ]+ B6 D6 V9 G7 I1 {get-color
9 a1 F/ Q6 y2 c$ c* \% V5 E- e- i# | h3 t7 O6 X% {
]]' G0 \8 d- H" }* o8 M4 O( B
1 c! Q! K, T. d V1 u& k
;;如果所得的信任度满足条件,则进行交易- w$ D+ F: V9 f4 E' u3 |
5 C: R+ q; E$ Q5 b. o+ d- _
[
4 Q3 }9 \2 T. r: L- b7 ?3 @( j% \# P% b3 {
rt random 360' K8 t' ^4 ~; P
$ c/ j1 k$ }$ s: Ofd 1- G: D$ s4 n2 m3 b, _6 q* G
/ |) r8 B, y2 b/ f2 ?$ e M4 V6 h
]
/ O+ [$ X% [+ B; R5 m) n
$ n' ~ p' X7 r( R; g2 H6 {end
" [ Y. v; q5 r. Q: K, m# h/ W2 D
+ w' Y. x2 h* d& uto do-trust 9 C; u7 g% f/ E7 o
set trust-ok False
/ A! X& g* g# ]9 k7 u+ I) \+ B3 i3 k2 c: T/ U( c$ Q
" V6 \! d. e0 f r% G4 _
let max-trade-times 0
! { {2 A5 g, J6 Oforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]8 E3 u; R# q7 B# I. Z! t
let max-trade-money 0
7 G ?. u6 v/ t( sforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]# z L) @! ~' N/ b$ H
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
% U. b1 C# r, R' M" h
& G$ }+ |3 M3 t- u( m/ R# y( r8 `% Z) E
get-global-proportion
6 X W- f9 H; B1 s& V6 Plet trust-value, g! H" ~2 Z' ~7 _4 s7 n
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)
' G. ~7 M' V9 m# X9 Zif(trust-value > trade-trust-value)8 G$ O/ J. X# \5 u; U+ }' G% Z* U
[set trust-ok true]& h9 o4 c" p5 E
end
5 i" I* U* z4 [
: L, l" S: v' m' z* u' P9 yto get-global-proportion
, w5 p, \) m/ H2 iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
% t3 \! m! P% u a [0 ?# `[set global-proportion 0]
0 G4 M9 k2 Y6 n! Y[let i 0
. ?. Z9 R. H7 b5 D& q( c0 y9 plet sum-money 0) \. V1 X. k. _( v& E
while[ i < people]
) D8 L7 s" \1 i- Y* D) P[
3 f0 {# G J, D' i& v" g" kif( length (item i$ \# E. Z# I- k, m( F6 y
[trade-record-all] of customer) > 3 )
! S9 C) ]8 S+ p" f3 O' O[. }3 E- h/ K i* T
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))( ~" v9 T$ I& U; i7 |
]
1 b* ]; G3 ]. o1 }4 t]
/ u7 i1 c) F) E9 H0 w6 J# i* s$ u i/ alet j 0* F8 I/ R3 g2 x' a
let note 0
2 k6 A6 Q. t4 e( w" G7 ~while[ j < people]
, r1 {8 f% c/ L8 p6 |9 q4 ]& `9 c[( ]' ?# a# i% _' V
if( length (item i, V2 T2 ^3 I1 U3 Q/ X
[trade-record-all] of customer) > 3 )
+ Q- o: [: [9 ?4 b7 u[2 z+ a9 Q9 c' u5 C. _ W# F
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
2 y- ~/ Z9 {% j+ Y# o& x0 d, T* D[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]) N9 C% m# ]+ G) `" T
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
9 r( D% q: ^) m [$ S]
* I7 B/ X( u2 q% f# N]0 q) i/ H+ n. ` k6 e$ u
set global-proportion note
% h* X0 V( e9 R5 g$ t]: r* X/ o1 f! I- {" |# {" |/ U
end" x" b- a( o% B6 b8 v+ R5 J7 ? a, z
- C: V j( ^# m7 r
to do-trade: a1 R0 f4 w4 b4 {# K
;;这个过程实际上是给双方作出评价的过程4 a/ y+ c [$ h3 n
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
4 X% E2 N; u- y9 Z4 Z, xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价: K7 I. V1 ~) B/ z' u
set trade-record-current lput(timer) trade-record-current5 ~6 V5 _8 a+ _/ C1 O
;;评价时间* P1 ]3 W% X: u9 v
ask myself [. ~0 |: J# Y0 P( }" d7 X% q
update-local-reputation* a/ t. I' n% `1 e7 W4 H$ g% i. F$ ^
set trade-record-current lput([local-reputation] of myself) trade-record-current
6 `, f9 C6 k: Y* t0 Z]% q' H2 u0 n/ p! W
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
9 z& S, c9 R1 s, E" I3 y;;将此次交易的记录加入到trade-record-one中
6 @1 I% J( Z( v, ?; hset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)) ]" o+ D2 k6 {
let note (item 2 trade-record-current )
3 B# l9 M0 m1 M6 c5 z3 N; O& O eset trade-record-current0 p; J' {3 O* f% R
(replace-item 2 trade-record-current (item 3 trade-record-current))/ t& H) F4 T2 h% D& d
set trade-record-current
8 J+ N2 t! p5 x( x8 I) K(replace-item 3 trade-record-current note)" s' W& E/ ^" Y5 L/ }
9 I* {2 i9 D6 i2 W/ R j
) w2 _( Z: b) V; Y( ^0 v$ S
ask customer [4 l$ d; M, N I6 L! C* ~2 n
update-local-reputation+ i2 ]# J; H9 @" a3 T* U' t
set trade-record-current
* ^# g1 s/ _3 t! D(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
( W4 h0 M* ^% ~* Z]4 _8 F, R0 m* ~6 B3 T
* N" y) I0 ?7 b" f% i
# A I m) ~1 h( r' V- N3 A7 qset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
$ E/ N8 [; i+ h# {% A, y
# \, X/ {# i1 N: vset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))* Z: k+ P# j' F' a! L# p
;;将此次交易的记录加入到customer的trade-record-all中) }- u% f4 r1 N3 ?
end
8 f% Z3 E' j/ R+ z) ~
1 a; `& `5 F2 V3 zto update-local-reputation4 q( d* A" h$ S( I
set [trade-record-one-len] of myself length [trade-record-one] of myself, w2 ~# ^. H! x6 n5 C% A& H# B5 ^
. M$ Q, O( d) i
7 c, R" D* ?1 l' Z" ~. ];;if [trade-record-one-len] of myself > 3
! F: ~$ o6 V# Q6 q+ Z/ g0 C6 Dupdate-neighbor-total
G4 |2 I% f+ w;;更新邻居节点的数目,在此进行7 c7 V. Q* ~' f. X) U4 o" ^
let i 3
c2 I8 v% O1 L; r* ~let sum-time 06 w# \9 [8 N4 p3 a" x# n
while[i < [trade-record-one-len] of myself]
8 _9 ^: Y1 P! p+ k- a[
3 p" K) }& Y8 \) g! vset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )! w2 L1 S, [5 p P# S0 D% X: a. E1 D9 E
set i1 x& o' d% f5 G4 T+ m t
( i + 1)$ h6 W4 z, E% _% ?7 G" t
]
" N0 H2 j7 Z& h) o+ z: | D( glet j 3# ~5 u3 a; Y; N# X
let sum-money 0
/ t% j+ x$ E; Y9 c4 g s; S Cwhile[j < [trade-record-one-len] of myself]4 Y$ T# E( U7 t/ ~# ^# T) Y c
[
3 L0 f4 x& @* o2 T0 x+ x; Pset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)% K" y o- j* E$ i/ e
set j2 H4 @0 U0 r; {3 y, l2 _! b
( j + 1): A1 [4 u! d- V8 c# l1 A+ h9 b
]
- X3 O( f9 m' g0 G5 z) E) |& f0 olet k 3. c, T$ u8 |5 {4 Z# w( o, v
let power 0
9 q u$ M w1 H& {6 I' N8 t$ |let local 0
( S" [8 ]2 F% [) v( {while [k <[trade-record-one-len] of myself]
" M( G' X* A- k# F, W[% W. E5 P- T+ u" r( l- n- D
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) 5 `- Q9 Q, \: C6 L# [0 _: C
set k (k + 1)
: E! E1 P* a m]
j6 u* V# \' ], @$ B7 f* i: M4 \set [local-reputation] of myself (local)# ~/ H7 k g# b
end
+ Y' q* j5 x' ]8 B
- }$ L$ d. k# _: G! {, v' \' o) Qto update-neighbor-total
+ M$ P3 d) w9 c" `' J6 \( i& n$ r4 z+ E% l% Z5 f1 d7 {- P
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]: g! i e& W2 C. w& B I, A X& @
1 a0 C( y! f" L: \- o( L
, K( V; L* T/ W! U% Yend# j, Q- |; ~4 T, A* {, w5 W: X
8 y0 T/ {2 ^. O2 z9 {' d$ B+ { h; A
to update-credibility-ijl ( v: Q5 e2 B" Q! L2 p w( y# Z
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;;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。2 w) g/ v5 I" B% s! a! o
let l 0
" M z" i1 U0 Y( c' @while[ l < people ]
0 c& a/ Y6 u/ B% p;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)& M% E0 ^" ~3 Z. \
if (trade-record-one-j-l-len > 3)2 o. Z, F5 h- p# y1 E
[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
) @" _ v: K! H" ~1 H: _' qlet i 3+ U5 v) ]+ q ~% e" x; P* l: G' K( t
let sum-time 0; d4 ]0 }$ d% A0 K7 ]
while[i < trade-record-one-len]2 e! h, J& j5 G$ `/ f$ l
[, q+ ^5 T" C. g& q
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- g+ m! ?+ V4 p7 G0 J! F
set i
. R2 r4 N' @% Z9 n) C4 g7 M* T( i + 1)
( T6 m- `& W" I]0 @4 v6 Y1 H e! d% i; F# x
let credibility-i-j-l 0
# C& n" T5 C! C; g1 B9 O6 ~, r;;i评价(j对jl的评价)" P9 }; X7 T" P# D! r% F
let j 3+ l7 g" L; M( U1 K6 C+ {* j2 Z
let k 4
8 e* ^3 l( l+ v# O8 k; U2 @while[j < trade-record-one-len]4 G2 S. P* d D& A# b% H
[
7 L3 f( K3 F5 B" r- uwhile [((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
& g3 y1 S' f2 c; a( B X3 |8 x& }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)" P$ V7 Z* }0 y l
set j
. L% m) P$ O9 j0 n% W- j f6 X( j + 1)
$ O `. B& v: h; ~# z]8 k+ D7 y& K5 H
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 W* r9 M* w$ R+ Y6 ?
8 e1 H+ g1 l3 O8 t
7 k- C9 c7 B4 O& blet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
" L( Y) m4 k# [- |% z;;及时更新i对l的评价质量的评价
- h/ Y1 \+ J: W9 N: h9 t; tset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
+ H% a$ H' p" e0 }; Fset l (l + 1)/ j" J2 j( K8 e3 a+ ^: s3 F
]
u8 a5 P- E4 A+ Z1 Tend
x v* n1 w3 Q5 U
: X8 I# e0 a/ ?# D* Uto update-credibility-list
4 O. F9 t7 w# ilet i 0
5 g& y9 w6 Y6 P. U- Qwhile[i < people]: B8 H( d$ Z- Z- u; v k1 W
[/ C; \7 L" a0 K' z+ E& G
let j 0
7 U8 w; V/ D0 }+ @let note 0* m! f L P, Q" |
let k 05 ~3 `. h1 B8 f
;;计作出过评价的邻居节点的数目
* N3 b' C# |9 W& y% }while[j < people]: i' `3 r! N8 }7 y, E7 ]
[
0 J) Z" f7 U8 |if (item j( [credibility] of turtle (i + 1)) != -1)
# U. F* n, r' E5 Y' |( t;;判断是否给本turtle的评价质量做出过评价的节点 X, X/ P+ }/ s, [' m
[set note (note + item j ([credibility]of turtle (i + 1))) f1 A4 n0 S& T
;;*(exp (-(people - 2)))/(people - 2))]7 s: Y/ J% J0 E) f* b; |, B3 Z
set k (k + 1)
2 [' {+ g c7 f+ C+ A% O: M]2 Q. u& R3 o0 b7 k/ c) p8 u4 U& C# a
set j (j + 1)) `) E$ c6 X( T+ a
]
+ P, d0 X0 b ]. T2 r/ Dset note (note *(exp (- (1 / k)))/ k); x1 ]. ]3 l) z( b% ^
set credibility-list (replace-item i credibility-list note)
0 j- I7 E" x/ M: b9 D' X9 Oset i (i + 1)# S$ i2 `5 R0 I0 Y5 q9 S! B
]0 G) M/ P0 H, v) B, @
end7 C2 ^1 S+ r9 H n9 E7 [1 p
& Z: V3 s+ d. C' o0 |to update-global-reputation-list
4 j. k9 z9 n2 Ulet j 06 V$ X, H' o+ w* [
while[j < people]
% L' u$ O/ W0 R5 H% w& d1 J; ` _! Z[
, R$ i2 M% w0 m! ?- v9 d" Wlet new 0 f* a1 T# q" q
;;暂存新的一个全局声誉2 l1 j" D' i3 U+ w; }0 y
let i 0
1 N: w' _: t( P' z$ r' W6 I: W; zlet sum-money 0) l" U! i* F( h. P" U- O# }: P! E
let credibility-money 0, g+ y1 Z2 E+ M" u4 e( V7 L
while [i < people]
; ?" z( ~8 D& w[) p! _" D6 v4 w1 V
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! o& E9 ^! Y2 [' j
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
. z; u& j2 F [: Z6 o5 ]2 w6 nset i (i + 1)7 m: N( D* k; L5 T
]; @+ ?7 l7 [+ x3 [
let k 0
! k9 ?# w; H# E. {$ |* jlet new1 0: z: O) A" m( A# E6 q
while [k < people]3 a W$ D9 B. o
[) {& W0 A4 C' U9 p$ K- P
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)" m# ?: t7 C- P5 {8 X
set k (k + 1)
4 _2 r/ U( K Q8 @0 ^- X]0 L- E; X: {+ z; x' M. \) Q3 I
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
/ @- j1 {6 v2 J7 q/ `set global-reputation-list (replace-item j global-reputation-list new)
5 B" B0 {' O! r. p/ u! ^/ uset j (j + 1)- g5 v+ ^5 @ z; v" a h2 n3 m
]
R) g0 T+ G# H+ L* C8 jend8 S, v/ {; I3 R
$ ?& M3 m7 j7 E( y: m. a5 L; i* X' s& r8 Q
; G/ q0 Q6 V7 Q3 A* u+ t. V
to get-color" z- m/ |0 m4 U0 L1 I. L" p
& j. t0 S f- J4 f9 @
set color blue
- q/ m" B* L' J9 xend8 d% H6 I: A! ^1 H& o" d0 r& P
6 y0 \2 V7 p, V
to poll-class/ e7 d6 \, m: T! j* A9 _4 B, W
end+ u' a& A+ ?9 \% Z0 i1 j/ P9 a
. l# K/ T3 K, }$ t( y9 q% C$ O9 Ato setup-plot1
0 M3 J |9 I2 g2 J5 ?. `
0 E' r3 h( L8 c: S. K7 I9 Q9 Mset-current-plot "Trends-of-Local-reputation", ~1 \/ H: h. P
( V. A) R( E" ?2 n3 O9 {* \6 J
set-plot-x-range 0 xmax$ e3 f; x' r0 |0 v- [6 M. m
+ M4 X! I# G4 u8 O, V0 Jset-plot-y-range 0.0 ymax
& [% m# ~3 b+ o, A# e: [end
" ?- }& v* m# [$ ^3 B/ S, K9 X p
. g6 n" S6 V( w! H2 \to setup-plot2
7 c- _; p% \; c$ O- c: e) ]9 O7 X* ?! m
set-current-plot "Trends-of-global-reputation"
* ?9 |1 Q7 l1 w$ `
( j" K$ d- G. a+ C# h: zset-plot-x-range 0 xmax- z8 }9 t( j8 l
: c5 t7 ]( H% G' q0 h' g/ w& {2 lset-plot-y-range 0.0 ymax
. h. ]5 _6 E7 N5 z5 }$ Q, h9 Tend
! Y4 H4 U* T! y$ T! C6 ]7 g# ~" ?' P! z2 o' J
to setup-plot3$ i2 E5 r$ ~6 h0 R( F+ l$ [% {
/ Q% a0 ^5 n' W5 U r
set-current-plot "Trends-of-credibility"
$ z, V! O3 y" H# i* o, M% G8 Y0 w. o9 a9 ]- e" Z5 E9 o
set-plot-x-range 0 xmax: V+ w5 H1 ^5 w7 w* N* R( j
* t+ s3 z7 T1 A5 D* n! `5 v+ Cset-plot-y-range 0.0 ymax
, g/ W4 W3 e* G4 G" R- s; G. wend& p* @2 t% q' t0 p" e' o$ w) v
" A, \' P, f" S+ q2 x% w- f
to do-plots" m: \( q" b2 x" l1 C* t1 d
set-current-plot "Trends-of-Local-reputation"
_, f R5 U) `, A9 B$ rset-current-plot-pen "Honest service". N2 n% f [9 ?1 E
end8 r# \ F- g6 H" M3 Q9 k' u; p4 F
) Y8 K& G; ^& {5 h
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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