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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% p% {* y j( o7 j% a
globals[
6 @, d1 [, c7 l1 Kxmax9 b! d3 ~0 o2 Z) t2 _/ q& W9 W) m
ymax
# P Z* ~+ @; M! x% ]global-reputation-list
, O+ k n# G1 z6 k `9 L( t2 U0 b1 u* G) e
;;每一个turtle的全局声誉都存在此LIST中0 t% z0 C/ v- B5 ?
credibility-list
; Z3 I! Z7 P' m. B& A9 z% q;;每一个turtle的评价可信度
% C# i3 V; l; u# `1 ?* Fhonest-service2 O/ j) P8 a) q% Y
unhonest-service
" R# O7 [# R5 t" \oscillation
' |& E- t3 W0 J* Erand-dynamic7 c0 G% ^, T2 U5 ]* s3 q D/ q
]
- q: w# F* D6 [1 r% V; H
& j+ c" T, a2 U% [9 U# l, eturtles-own[* v: m! u! y7 ^* {: ]6 M9 D3 ^
trade-record-all5 w3 n1 A& D( W
;;a list of lists,由trade-record-one组成
, x' Y1 b' M' S! ~) ?" Ttrade-record-one
" ~. _8 P' o! [% a;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录6 @' Y k4 c# N: G6 S& n* ~
g; Z9 i5 F7 i8 n% i;;[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]]
, M! I' s4 V8 b0 g' I" z! mtrade-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]
# P8 a2 E, N5 f& K! E- {- 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list/ s5 P b* z, O0 S
neighbor-total( {7 O1 S& a8 r9 O
;;记录该turtle的邻居节点的数目
" W& W1 e# \, P5 t2 L) @trade-time- t8 {+ i+ ? N- Y4 `- U+ C/ [
;;当前发生交易的turtle的交易时间+ I7 Q/ J" c5 L0 `7 b# `4 |
appraise-give' Z5 n2 e3 u# V. {5 _* H; L* X
;;当前发生交易时给出的评价
s/ j0 P* ^& K, n! N' u3 B4 x3 Y$ rappraise-receive
" A& N: V E+ K;;当前发生交易时收到的评价5 ]9 Z+ h% a$ s+ ^
appraise-time9 }7 |6 W# j: n. q" u" [
;;当前发生交易时的评价时间
5 H" E8 m( q4 l4 llocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
; G, Z) d5 z, ftrade-times-total
H5 L) e- D2 m- V7 `+ d;;与当前turtle的交易总次数& L& F' f4 ?9 a" S
trade-money-total
# i. v) G7 z/ C& ?, k;;与当前turtle的交易总金额6 ~. [/ _1 S! {3 t
local-reputation
) u/ {) x, _. n0 q; E, Gglobal-reputation# i; Q& {* x l" M) M% s$ J
credibility
" D" N: `! @6 t6 \2 S8 a;;评价可信度,每次交易后都需要更新& C+ @8 b( a! X) L1 R7 q& k
credibility-all& G* i( [* ^: [& M8 i1 O, Y
;;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
A) K: }' t6 K- u- n
& A1 r; V% g# p" J;;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
( b2 }# m2 A' ~! J! `credibility-one
" T! p/ }; d! c, L% L7 r;;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- r$ u7 }: v# s& [4 w9 y/ d; N
global-proportion0 ]5 g# t6 z- ?! f! }7 _
customer! t: r0 M4 W# p6 j
customer-no
7 ~6 y, R- l6 j' b/ P$ Ytrust-ok
% _ l- J2 Z4 \3 j5 I+ U& vtrade-record-one-len;;trade-record-one的长度* H" x5 R7 I* y0 K# [. ^1 N! M& k3 ]
]
2 q2 P* A" z" a3 R8 B/ m% r# J0 I! y" k9 y5 B% s, O
;;setup procedure
" u4 X1 }1 ]. T- M/ {2 h; }5 I4 ?. `2 F u I
to setup+ k; S4 I: h4 I! a3 g
" N6 E1 h9 R) m, e
ca# m; A( Q" X* Z2 F6 j) ~
# E! B! K- r! D. [initialize-settings! @: G' N$ N1 ~$ M1 A
* [' [. w' f o$ u6 \$ Qcrt people [setup-turtles]
/ _& H4 c o* K; d$ F/ c' l ]: \8 @. @: N! }7 q1 _2 ]8 H/ ~
reset-timer
V" ^! C! }- z2 ]9 x' c+ r
/ p4 x% y7 j$ dpoll-class. D* H; |8 k# b$ S
, t5 @- l7 B0 c/ T
setup-plots) n" @7 s7 C. {
* G4 }+ i$ L, r! u" v; S$ p. hdo-plots" {9 m' W" M+ x2 d- e8 }# u
end' m- _5 A5 ?: i \* f" I& o7 s% L8 j
7 t) O4 v+ M, K% k9 A. o1 g! ?0 Q1 U
to initialize-settings- Y8 y- i/ Z b) q5 e6 `
* T+ z# S5 e9 B. w# bset global-reputation-list []- W8 S- ^6 J- M4 i9 _
, l9 C+ F6 Q4 Y; U" q# J
set credibility-list n-values people [0.5]8 H1 m; c& |$ N+ C
& d' V5 F8 K+ G- J1 N
set honest-service 0
: j) L: E6 r. P' a0 a" o
7 w+ d/ f# k/ J7 T: E1 K6 [set unhonest-service 0
. r, o/ D( p, W5 H. I# l3 ]3 \6 b+ e$ i: ?0 Z
set oscillation 0
$ b9 v: Q; Y3 r
) J0 {' i3 x0 m+ e* }# Gset rand-dynamic 0
7 J- u/ o9 a5 ?: S4 s: pend
, a2 u/ t$ r7 w0 U" Z
3 @1 i- o$ k" A3 ?2 V" qto setup-turtles
, D& s( A, k# I7 Q$ r- ?% lset shape "person"
/ a) t" W9 F: l; c- r$ I$ d% Bsetxy random-xcor random-ycor, X3 R7 u, B1 `8 f2 z5 C5 x F5 |( k
set trade-record-one []
& b. I/ e( Q- D* X9 g3 o6 j3 }
0 ?0 E: l( \) j8 O0 U) jset trade-record-all n-values people [(list (? + 1) 0 0)]
) k, k6 ]* b: J9 {* C4 ~; k) g$ H, o6 A N7 H6 }/ p4 z
set trade-record-current []
9 f3 y, f ^7 N, }' j+ oset credibility-receive []
8 B( c* W( P( _set local-reputation 0.5- c! V2 \) H/ F. O: K% x, |- ]. L
set neighbor-total 0: N% B7 a9 H5 a' t& a2 A3 C0 g
set trade-times-total 0' U; Y k' u% A+ B4 |4 G
set trade-money-total 04 N7 `( N& Y; ]9 |9 p& y$ q
set customer nobody
8 N" L2 z+ J9 x1 P7 Uset credibility-all n-values people [creat-credibility]
! B8 [* o1 x; b+ b( `% fset credibility n-values people [-1]
. E1 @5 e# h- ~' Zget-color/ R. V' ~1 r; f0 d4 H8 d# k- r
+ T; s: I. e! p- P" x; ]" d) {6 i2 U
end B1 }. ~6 i8 Y' t
" X* ] U9 P5 q0 O) L6 p2 {; g Vto-report creat-credibility8 q! p9 b2 K4 g: n. B
report n-values people [0.5] H8 A- y9 z& ], R, {% U
end
% H9 a5 C6 G% [( @ F* |$ J6 v! P& H% ~ P9 B: D
to setup-plots
, L8 d. B. M/ K7 e
( i! b" d0 _, r. Bset xmax 30
% P9 _9 l" w% c. W w) s* c0 K' z* a2 e) j( L; d- E
set ymax 1.0& W- n9 W% @: Z0 H& P: l8 Q) w3 q2 q
3 i, \* S0 z% X9 v1 B [
clear-all-plots% O- d" x* p# I- K3 k
" |/ U1 n* |4 @- z( _; U4 K
setup-plot13 n* Q* T9 w* l" X, A
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setup-plot2
, i. ~( X& M* L% ?' k6 l7 P4 D( y3 _, }$ n( z, M) D
setup-plot3
$ k1 g, X4 ?1 o" i/ q- l. ^+ Eend x: ^2 F* z# W% J- \" T
" _ i2 O* p$ O7 w6 y; }. ~;;run time procedures# t8 x, a/ l1 U4 m
) l, _9 P+ t0 a/ b/ \1 R4 H
to go
- a! x1 U1 N6 \7 H: e& d
6 z, {( G- z' o% R4 @" j& m9 Yask turtles [do-business]# ?3 S$ X9 V! W5 k
end2 I8 N: B. a, v! g- N4 T! ~
6 @& f! {/ @. }2 Dto do-business ' W5 K( y! M: m! b
' E+ x, O0 P/ R. |8 T7 _4 L* j: s0 x/ K# v1 I1 b& l
rt random 360
8 ^* j/ A3 n: h& O+ L; `5 a
) E( w- J: @' T" Q9 Rfd 1% ]( m, P9 ?5 W; i* y+ r; F
- I6 m! E# o% {. d U6 K6 oifelse(other turtles-here != nobody)[
* I. g' w2 x8 [; ?, X+ N
6 D* w R# \$ `4 Q. {set customer one-of other turtles-here6 f7 Y2 L- m3 T/ f8 @) J4 N3 `: @( H
# F6 r- D3 Y; K, U;; set [customer] of customer myself1 Y8 ~ o/ R3 G' u/ o
# {- r Z1 i2 y9 g& t" G* Z( l) Yset [trade-record-one] of self item (([who] of customer) - 1)
2 n6 ?7 w3 a; _8 }, w+ V6 h[trade-record-all]of self* x' L2 |& {" d3 b6 I
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self+ ~, o4 r# i( {! Y4 |
6 f" |/ _( R, G' ]0 A# f
set [trade-record-one] of customer item (([who] of self) - 1)
$ N8 ~" o5 X: F5 Y$ r, v[trade-record-all]of customer
8 e( Z5 `2 h; F6 e% I8 H3 i( K; h4 e2 \. r4 H; X
set [trade-record-one-len] of self length [trade-record-one] of self
% G3 L7 }4 ~! o8 Y& n J, a( W% y: ^: J
set trade-record-current( list (timer) (random money-upper-limit))
8 b; g& f" ^1 A$ Q
, O! @- G8 L! f) r# task self [do-trust]
& a8 G2 u2 `) A8 q' g8 k5 y;;先求i对j的信任度+ ~% y& M2 j8 z' K
+ j9 Z! z5 b6 p& ^) o% `0 {- dif ([trust-ok] of self)
$ H# }/ Y) g8 f$ q;;根据i对j的信任度来决定是否与j进行交易[
! ^' A$ i* x4 task customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
$ D G) G/ l+ k2 ]& ^ V2 x
4 D$ R; G7 {0 K3 K0 F, k W[
( m& s9 ], M- j+ C, j" y# M: m2 j
do-trade
- r# f2 F9 V* I1 N. B1 W5 t o0 w+ k; e$ y$ I
update-credibility-ijl0 t) R2 n8 M9 v* ?. N1 a( D
" |' a* O6 r) g! F' D# n/ @
update-credibility-list
4 x% _6 J' D4 T8 w8 f6 X1 H$ H' s. S" }% V* R% p! O
x5 j3 `5 q. N8 U! q# O* ~; [. l7 `8 Tupdate-global-reputation-list/ C5 p# a( r) A- M8 }( [$ Z% p1 H4 I
- M* w, k+ z8 opoll-class7 m) I. V9 a/ V+ k0 l% h- o, [
2 `$ d$ p9 q* k) P
get-color
) K$ F6 b1 Q8 E# Y9 |* F$ |% f, i3 P/ N; M9 u' u w" D% z
]]" O* E& y0 S. N7 d# i3 v" ~) f
' Y6 g4 l6 t# p
;;如果所得的信任度满足条件,则进行交易
* v# u8 P4 v1 }. o$ _6 c* U1 t, F# P3 _
[
: ~; t( p- q. r5 Z u2 H7 C' F" \) A! \0 S9 G, \
rt random 360
" o1 O0 X; \6 ?* v1 |
# W- B* R Y7 x. qfd 1
# a4 C8 _' L* j" d- L, d& P" k; [) \6 @ x
]1 ^: P- i i* p$ T# ]; B9 ]' Z
* @! J& P5 b3 s Fend1 ?6 v+ | X+ g/ c7 K
1 ~& i1 K; f& \% [8 x! bto do-trust 7 a: r X8 O4 x9 P7 A
set trust-ok False9 ?& r) B2 x# u3 c
" D* I* t, K/ F; Y+ G. I6 P/ o1 g9 M( M h, Y* r( v6 M( _
let max-trade-times 0. S" Q0 X' a. n# b# E* _2 M9 r5 w: p
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 q; j, K) k/ g' |. M/ m
let max-trade-money 0
3 n, I; P6 [, E5 O, hforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]. P" d/ @2 D- ?+ m' |1 k( h+ C
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)), B6 W* Y5 n- e& k7 I4 d# G/ ~+ j
9 B1 o+ y* }/ H, r0 G% l
: |$ |) B% j2 v; d# H6 B' }! f' l9 T
get-global-proportion
: N1 {. B8 D, z8 `" Z8 h8 wlet trust-value3 r/ X3 `; k' J" F4 I" B* @0 r
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)
! L4 Q8 s9 |5 s8 hif(trust-value > trade-trust-value)! M4 D- C( r I6 L9 W2 z
[set trust-ok true]
6 Q; m O# f( E9 l- Gend
6 g& @: c( V2 L2 ]: I+ M: W+ @4 ~- h& V* x* ?% U
to get-global-proportion; \3 H7 c2 |/ _( F Z) h
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. C1 z2 w0 N; @) c: G8 I[set global-proportion 0]
+ G9 B- f1 ~# ~2 x0 n! X3 q! x[let i 01 \ }9 e4 p+ Z$ V* ?( w# j6 B
let sum-money 0
3 f8 a2 @6 T' W2 ^. y* C0 }3 F6 Hwhile[ i < people]1 w, I* x9 u! t3 G+ }
[
0 r: a& k; ^. Q$ @9 `- Eif( length (item i
! Q6 d3 O3 q% D: U. |+ V[trade-record-all] of customer) > 3 )
7 Q2 P3 r, w- [& w' z, _' D( l+ c[
, p2 g7 o' @: e; R7 W0 j$ `2 R cset sum-money (sum-money + item 2(item i [trade-record-all] of myself))1 r2 q Q; s: p& ~; X- X) P
]" U/ i' h& m M1 e+ R4 I! Y
]* A5 Q G) e' S
let j 0
& C# x# `( V: R" |let note 0
3 `2 q) i3 E# @1 p6 O- L* z. a2 a2 ^while[ j < people]
& @; w8 f% P6 X5 ?[8 n1 i: R- z$ K
if( length (item i2 H; h U! B) g e
[trade-record-all] of customer) > 3 )
1 C7 @, d# a5 |$ D[
) M9 F& w4 N, ]7 Xifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
3 a6 }6 c5 J8 ]6 W2 q[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]* v; g! R! v2 ]) S& C; _
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
6 J" k) B" T1 h/ d]
3 A ]5 H' ]/ C7 V+ V. E( j]& {$ [8 a0 ~+ B" R
set global-proportion note
. H4 ?7 H% D7 K5 I, f1 u]
7 U+ i+ L- K9 f4 t rend6 f6 y' z7 _8 h+ ^; D
( l: u, { a' P0 {7 Z6 qto do-trade
- z( `0 B. v, M;;这个过程实际上是给双方作出评价的过程
) n, w; v. ]/ \; n1 l$ fset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 p% W% j& y" H$ Eset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- G; N- a9 Y" G2 }/ g5 c
set trade-record-current lput(timer) trade-record-current
: Z( U/ l. g; B8 c B' D;;评价时间 F) q5 B' r5 G& `# z
ask myself [6 R$ {7 j. ^5 ]
update-local-reputation
7 i* q% L: [5 a& C: Xset trade-record-current lput([local-reputation] of myself) trade-record-current
& h* \$ M7 Z& U8 h* h/ H5 W( c]
1 H" E4 s! T' |9 H4 h4 oset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, N+ m; E+ x' A; J
;;将此次交易的记录加入到trade-record-one中5 T, l# J" a- X* Y$ N- s
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
: Y. O) B2 A" C. a# M' U/ Clet note (item 2 trade-record-current )
2 n; Q+ [& Y8 vset trade-record-current
y+ t6 k5 L6 F& m m2 {: p. w(replace-item 2 trade-record-current (item 3 trade-record-current)), t- l3 |( l- a# q
set trade-record-current
6 i* v$ y% z+ ](replace-item 3 trade-record-current note)! { K+ I9 R. U/ M# `1 c
. F; f# f, l1 N2 N' ?4 i3 x
9 ^' j: y/ g1 h$ k5 L1 }9 }7 N) w% kask customer [
( _4 e: U9 G3 rupdate-local-reputation
+ P s. I! c' T1 L% K& \ Fset trade-record-current
- @% [- h/ I( ^3 q$ `; j(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
! E- W2 v% `2 E4 i$ u+ z] n3 e3 e3 b7 _1 v- S. H# m
4 l8 M- N2 I3 n# q7 i
' @( L+ o2 [% V0 s4 I3 \8 R! qset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
3 U8 o% k3 x. g- ~$ B5 q3 V' r* F' ]3 T( }) \) D% [; Z
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
0 _9 o: P3 t* G* B) d+ ]% A;;将此次交易的记录加入到customer的trade-record-all中
2 p- X* j1 Q! {6 m' ]$ O8 Wend5 @: t; o4 Z, C
% Q! d% z' Z$ @' f& ]/ @2 P! d
to update-local-reputation2 P1 D8 [4 }. C! Q# q! J
set [trade-record-one-len] of myself length [trade-record-one] of myself& q9 V4 ?1 p2 y0 K" z; y
C- _& L, w( R9 g# ^9 { {9 Z1 f$ k/ B7 [& r% j9 Q
;;if [trade-record-one-len] of myself > 3
/ g; }: p% |. W/ {2 R4 tupdate-neighbor-total
9 e3 S- s# r2 Z0 Y; B" q;;更新邻居节点的数目,在此进行
4 I, b( O* y/ F# C5 @let i 3# ~- A3 c# ]4 W6 \& n# b/ e& p
let sum-time 0
( n3 {* s4 P9 t) j7 jwhile[i < [trade-record-one-len] of myself]
. ?1 E* r$ r6 P; o. n[
3 @3 t8 P2 H2 k+ |+ T V) \0 kset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
% W7 E* T0 a, W8 {: Wset i! J8 y" h$ K$ J o1 V( T2 h5 K
( i + 1)
2 d" Q' i0 L* g1 U v]
# x7 `9 ]: |* i# L* n+ P ~# Plet j 3
% E2 y& T3 o* N" b6 h' flet sum-money 0
& I, A6 A* B* ]) W! j2 I" \0 ]7 qwhile[j < [trade-record-one-len] of myself]
6 o7 B0 @, p2 _[
( r- | @4 R ?" ]! M8 C( Aset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)6 [ j- ^ j0 X* [' ]0 i Y
set j4 r) K3 `, u, N' w* K' b
( j + 1), h+ r0 n9 F" t7 }# A
]
- G0 c/ p" y/ X* u6 h4 F1 Dlet k 3
7 ]5 J: m' k. p( c4 klet power 0
7 Z% |+ C" S/ d0 _) Plet local 0" M6 Y. z9 @( F1 d- ?
while [k <[trade-record-one-len] of myself]! p' o2 J( v3 Y1 A* X! s' c
[( r( x1 D0 L4 }, a
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)
1 a! p- S& y2 ^8 _! mset k (k + 1)/ h! n7 W5 x$ I' q. b- @. I( x
]9 R5 |1 _2 n3 S6 k3 r
set [local-reputation] of myself (local)
6 C% i0 y8 C" A/ r4 ~" N+ rend- l. u- x1 W! E) J6 x
5 ~, \* ]7 L1 {. c& Tto update-neighbor-total
( y C+ i3 D& W5 W2 }9 s, @6 {. s' E- n) U$ k
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]* i6 @2 B; q8 f& B
$ N9 O# r9 Q4 l% R7 s, S
9 D) K+ z/ Q! R$ E! h8 f
end
" F& J5 v4 d: X7 W8 T4 F3 K% I" T% p) O/ m# A/ z
to update-credibility-ijl * E( f" P# a6 Z! T# V, {; k/ @9 |7 A
, X8 i/ d: ]& J4 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。/ g* @! _5 c& f, c, k
let l 02 w1 q( H p# @; t' `, g6 o0 Y
while[ l < people ]
# X; B4 z% K/ M" 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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 R6 `: a x4 |$ B0 V0 I) D- s+ u/ x( y
if (trade-record-one-j-l-len > 3)
5 d$ r3 g+ x) o4 W[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$ B- V9 r- l) G+ j
let i 3& U4 c5 @0 h6 Q0 d7 S1 G: w' E
let sum-time 05 ~/ J8 L: H( ~( i! h
while[i < trade-record-one-len], `( K* P( i* {- a* \0 o* A3 i; r
[$ |2 @. d$ L$ G6 a- H% P% I% L
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
# F' |/ g2 ^7 }) N3 w% l T* N! @7 Y" o# \" Iset i
i3 \. L) P; q) C9 L8 i% B' n8 H( i + 1) ^4 m; a9 V+ ], K" |% H* y
]4 p# Z+ V' ?, i1 ?
let credibility-i-j-l 0
- U4 h9 c9 C9 G;;i评价(j对jl的评价)
" Y2 ]6 a7 O2 |2 g: k, o& plet j 33 _8 ]" _* \# z5 z! v6 C
let k 48 d# M! D/ q8 q: K: ]
while[j < trade-record-one-len]
+ i* Y: X; q9 \ S$ P[ ?( c" r- Y+ |( _1 d1 q+ ?& J
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
0 S% b8 B+ k9 c 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): g+ ~# `2 A# }* A6 u
set j
1 j! V/ ^) L+ K( M* f7 {/ u( j + 1)
) B t/ x3 a6 Z) E+ `]
' v1 l; d5 n1 v7 xset [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 ))
1 n; j7 s8 x+ Z9 {- w, _
3 S# ?8 j* L6 h) d0 L2 M7 L T5 P5 M( }: Z" c8 R8 {
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))$ D8 s" ~% N- ^
;;及时更新i对l的评价质量的评价$ A. ]' ]7 L" T7 c+ M; p9 W+ U, w
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 e+ A7 Y& M* {( l4 P! yset l (l + 1)
2 V4 M0 G5 }+ [" S9 n8 w]: I5 C N5 Y# P2 g1 t
end8 q0 e. h9 M5 u0 q" b
1 J9 }# g$ C( u, L
to update-credibility-list
8 L. v( w% m. V3 p! y( H5 ulet i 0
5 L- A5 F4 D6 [while[i < people]5 i6 m8 P5 ?/ }; i$ }
[
, |# O7 L, H7 N1 s a& s5 Ulet j 0! {* D! a x2 ]
let note 0% @& m8 [$ O( }9 s3 _
let k 05 g9 ]3 h- X5 v" o Q3 p
;;计作出过评价的邻居节点的数目5 Q, H1 H" M. c
while[j < people]' a8 b4 y+ q+ s- C2 V
[
; x# q0 C5 l# |4 T x+ qif (item j( [credibility] of turtle (i + 1)) != -1) @2 ]+ U, m% K+ t
;;判断是否给本turtle的评价质量做出过评价的节点
3 [) m0 c) Y+ x' e[set note (note + item j ([credibility]of turtle (i + 1)))
0 t, X7 V3 |# A$ f, s;;*(exp (-(people - 2)))/(people - 2))]4 [" G, O8 n) \; A- i
set k (k + 1)
; ]7 [4 {2 K2 ~- b/ _& i) Q]
+ Y3 w& V' {" ^: jset j (j + 1)
9 _( Y/ n9 n, K# d* [/ m]
, K. H7 g9 H3 k+ {set note (note *(exp (- (1 / k)))/ k)! ~; `/ q) b0 v$ [
set credibility-list (replace-item i credibility-list note)
7 M) @" _" \# s' }; C/ Eset i (i + 1)6 T! y. Q/ r; E$ a% K
]
5 C+ x F5 e: g- e- Rend
; C+ y0 ?& N5 y$ [! D. M2 V! y' _! ~) u# m' R
to update-global-reputation-list
6 ?# @8 q" H* `. A8 ~let j 0
' P6 j7 y% C. s5 g* `# D4 k4 x) L0 Kwhile[j < people]
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( {! b4 q! k0 d# H. }" e) @. ~let new 03 }* g1 W( ?1 _1 O3 r
;;暂存新的一个全局声誉' [4 e( j$ x1 G2 D/ h/ C$ W c- B
let i 06 l: Y3 G$ ?4 i! L( J- ~
let sum-money 0
* }$ t. E" }/ M1 B9 { J1 ]let credibility-money 0
- e* L) j7 u" j6 jwhile [i < people]
: }* y- |- o8 x+ v" B[
, x# V( B. j, m6 E; nset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))# O9 t9 ?7 `3 M/ A& N# L
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
$ ?/ T# f% L, a% c" b; P9 Oset i (i + 1)! L" {* Y! x) K
]! v8 o2 t5 J, J6 H; r, r, C Z
let k 0
7 G; N5 m p& x4 c- Dlet new1 0
; ]0 q0 O1 Z( z {6 R& C1 Fwhile [k < people]
9 P6 @3 o8 }/ X7 U$ A/ D% V2 v[& [3 v8 f' x2 B
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)! v! \8 k! l% l* \& x8 J9 P
set k (k + 1)
# P5 g7 @$ x4 f6 J, P) p]
+ f( W7 ]) X$ {3 Mset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
9 f- {0 G% o7 m9 A3 R( Gset global-reputation-list (replace-item j global-reputation-list new)& s4 d5 m8 C5 N6 S/ `; C
set j (j + 1)0 U; ^2 |+ y! J4 ]1 _
]- A. [& k$ }4 L
end% q# V' ^. j6 ?. ?& t1 _% ?& ^9 w
5 W7 }4 D9 g% F! Z* |$ T
: N/ `* \+ D4 S$ R4 C: E8 z% v% @
% n' ?9 O* [# v+ s6 C$ N9 G9 X0 Uto get-color
9 a. I! U) n2 L! v6 g1 e% v
, }- u) G& E. H3 s* \set color blue
, \3 w8 \. c, O Q% zend
8 J$ K8 `7 z; Q/ K3 O' N/ Q1 r; Y, R4 Q2 n8 Y2 ~# r
to poll-class
# B; c( R" {0 G6 Mend5 S/ K! }0 B: d1 s/ [) ]
# S5 g- N/ B& v# ]. W* {
to setup-plot1
9 P E$ ?5 [2 Z
* a/ L& h) ~1 T9 v/ M! xset-current-plot "Trends-of-Local-reputation"
( H: ]* }0 i0 L& q6 o6 E! V4 f4 T# g7 q
set-plot-x-range 0 xmax) f& k( C6 s, W0 t' W& V: r" f
& c" I+ k" e, Y f9 ?% a$ Hset-plot-y-range 0.0 ymax" y4 W" m& G, A1 y
end
- s& U8 X; r \; l; |* l9 \9 ?# |+ Q! m% ]
to setup-plot2& o$ C/ R- s2 D/ s
, U+ K8 q3 p9 `4 [; ~set-current-plot "Trends-of-global-reputation"
: t! P0 r! E/ M+ P. z' W
3 z! j% D% C) q p; y8 iset-plot-x-range 0 xmax
6 A3 b' F7 T8 t: a+ |/ }
/ ^) \: l7 \+ Xset-plot-y-range 0.0 ymax
5 f a1 M* i7 v. H' Aend
; J4 y) p8 _& z
/ A) s& \/ M& U2 Wto setup-plot3
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/ l! P+ {& Z, M* m* `8 Sset-current-plot "Trends-of-credibility"
" @0 O; w( _* g$ h' L
8 i. E! ^# ?# f% z3 q7 V3 Vset-plot-x-range 0 xmax
2 K' P, c6 ]; M3 ]% \- l0 R+ ^/ |- b* L1 C) l& K
set-plot-y-range 0.0 ymax! R7 C7 h; N6 W9 |
end
! ~- }1 ]; p2 i& L; A2 a( V- ^
' L' L4 }8 L4 vto do-plots9 u) I v, f9 `7 K. a$ n
set-current-plot "Trends-of-Local-reputation") l, Z, p+ N. q& v& {
set-current-plot-pen "Honest service"
2 ^, x5 _" w& ]3 B6 ?2 P5 |' M. yend
& C4 z/ Z# M8 G) m$ C& y
7 z3 Y: D5 d/ ]2 G[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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