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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 T4 u& q! ^1 p7 o$ Lglobals[
$ E- w9 o9 P1 A/ i$ mxmax
& v# k$ [- L' Yymax( \3 z2 ]2 N' B: p) n* I+ l0 t
global-reputation-list s9 C- x6 Y* F+ f
0 Y, N$ p1 z: L* J% Q ^8 r. }
;;每一个turtle的全局声誉都存在此LIST中* S6 e& w" K. D3 W9 s% g
credibility-list0 x# q" ^# a- I2 m1 W) ?! u
;;每一个turtle的评价可信度6 `$ r) h) s# |- v3 b$ e3 T
honest-service2 S7 y3 M. v/ _+ }" K& S: z
unhonest-service ?, o( R5 p! M9 i- k* O" g
oscillation/ O7 B- K! S" m% W1 C$ X/ p
rand-dynamic% O4 m& a* y7 j A
]! s# R% S( U+ T3 F
1 P+ }: O$ G2 P4 ^5 ]7 O
turtles-own[
, ^9 W2 m: d" W+ Dtrade-record-all
( Y4 I) e5 J& o;;a list of lists,由trade-record-one组成7 E- n/ D( g" i8 _3 h' ^* s
trade-record-one
% t. O; k @/ _: L/ e;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
; r0 U* {, t, V, g( H& G' |
) M$ I+ L4 l+ i4 G: m# e1 V. L;;[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]]/ ~* L2 Y, s! N: x
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]! j, A: m- J: L# J2 Z
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
3 I+ x. _ O7 pneighbor-total% |' i, A3 P% p2 v: A/ R4 q8 p4 ?
;;记录该turtle的邻居节点的数目
7 G" o. |& H" E5 }8 y( |trade-time
7 n4 O8 I/ d. n6 Z$ Y0 `+ _;;当前发生交易的turtle的交易时间
; N& `* N( \% m' Z o& f& tappraise-give
6 \8 ?# M: c- U;;当前发生交易时给出的评价
: z% [# _8 v! }. A1 b: }appraise-receive
* z; E$ X% G' u5 H$ [2 p;;当前发生交易时收到的评价5 d$ h/ ^( `+ r# \
appraise-time
1 N6 a& `) b$ ]/ X;;当前发生交易时的评价时间
4 h: n! M9 c; Q1 z5 {. s, W: plocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
4 n# p/ a- w4 R4 S, ^trade-times-total; d# `! d( ^$ S9 } e
;;与当前turtle的交易总次数+ ^2 F8 C0 i, l+ C0 o' A: d2 F
trade-money-total# F8 y3 r/ v9 v: |; X! c! |) T6 g
;;与当前turtle的交易总金额
# }! B# a# c5 {: @& c+ klocal-reputation- S- |. j3 P; v! e2 N/ K
global-reputation
; q# {$ o" W( M* t2 ?credibility
! W) Q- @$ |8 S( W& R- O$ G6 D;;评价可信度,每次交易后都需要更新* }' K9 C0 d- o7 c D
credibility-all
* Z3 t5 Q D# H;;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
8 k# h0 I! E+ B: B# A% x5 L! R1 E5 e* M/ |; Z$ n
;;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0.59 z) j3 s; v0 {5 R
credibility-one
- v, I( n; \. Z* c;;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
. m+ ]6 {# A W u" `& O4 \global-proportion2 E8 E' s0 D! G$ @/ v
customer5 \- |% ]+ N2 k. P# D2 i% I _
customer-no- w+ B7 ~, \- H/ _1 S
trust-ok6 |$ Z8 c5 o3 ~6 q+ {; D3 T2 B
trade-record-one-len;;trade-record-one的长度- ?5 g# s1 x3 s( ~3 c" y) X
]
+ l1 u$ @& x) p4 ?, e/ `& f! }! ~& m) w9 a
;;setup procedure
* N, Y4 M' X; G+ |3 L- A! y7 t4 q4 C8 {' v
to setup
6 Y3 |# _: @6 ]/ d6 ^# W% o. a/ I2 B
ca, ~6 A& T+ `& h5 m+ }0 r
+ K7 ]0 u. S6 y, ?initialize-settings, G$ b) y$ ^& T
7 R* Z! E1 h- b. C4 h9 v
crt people [setup-turtles] } k' n, s! f, G
}4 n) H U6 H m3 w& P
reset-timer
9 L& g: i- E5 O
& ~5 N4 G& O' @2 i; Y0 lpoll-class
K4 |+ o* c5 Z; Z4 d. i+ T; s
/ \9 R8 F8 D3 m2 E1 Q$ |: C8 ?setup-plots4 m. j. x! c& @* `4 M
" i8 G- L' k* R6 [; S
do-plots
, F9 p0 |8 i1 T" [5 g0 B( ~$ \end$ |) J W9 \* X r' `
! o, D& b6 l, P2 E ^
to initialize-settings- G+ F9 B o( O6 U
# O; z7 C; n! ~4 q( `
set global-reputation-list []
$ [/ h) r( `2 N# J9 n1 I! r- ?0 K; v' e$ u: L. |
set credibility-list n-values people [0.5]
% i1 d) B! v* }; Z( R, ]) ?# `5 ~4 C, | ?! B
set honest-service 0' S9 g9 S) U% w
5 S# x5 m# c( p2 x6 }
set unhonest-service 0
7 k% M; o+ Z- K* d; D/ l# v) P
- B' o Q _2 |- d1 J' }set oscillation 09 I3 C6 u. ?4 S3 q% a- {# g; t
% f# h- ]* h4 t4 h2 A: V- Qset rand-dynamic 0
* s# ^, [. z( V( b# ^end
/ U. a0 n5 Y3 T7 i* H% I+ h. [6 [1 @$ }3 I2 T$ Y' L4 C
to setup-turtles
+ j% b9 ^3 v3 P. A/ y; ^set shape "person", F1 [# ]8 X: l M& G s7 q
setxy random-xcor random-ycor
- X. g7 ^3 n1 y; `/ Z9 h3 P5 k, c" dset trade-record-one []; x; w0 l+ K; g# L5 o/ _5 E/ H/ h
5 y7 f7 B* }8 O% {7 ?' f
set trade-record-all n-values people [(list (? + 1) 0 0)] # r3 ~/ X; r9 w- A H" V2 N# h- Y
0 A" G3 T! T& Z) s* M" @) U+ x: kset trade-record-current []
* \! F, ]0 ^+ `" n: Y8 w+ [set credibility-receive []
R( V# I0 R: E1 a: s9 R. Tset local-reputation 0.51 D$ ?% u& B/ B4 `! r n! N
set neighbor-total 0' j; w$ K3 W- R& d
set trade-times-total 0! M0 N/ F( ^4 O) Y
set trade-money-total 0: n0 [) \! d! j* V5 m
set customer nobody: ?: I1 [9 {7 T
set credibility-all n-values people [creat-credibility]
" S7 R& N7 O7 a6 w. M2 ~set credibility n-values people [-1]
9 C7 N/ G1 ?0 ~: Iget-color
% v( Z7 x8 K$ c! A3 M- b! e
% o* b; f% h. _3 H* Y- \end
9 z. K8 z! i% q- U9 u; F2 i5 y! I. A
to-report creat-credibility
$ ^# d* p& f" k8 h, U$ c" `% yreport n-values people [0.5]
X# _! f7 X5 q& t# l0 xend
& R7 i2 O* S/ t5 A# e" O; ?
3 ~' Y; w8 F/ i9 s! }% T" Hto setup-plots+ R( s8 s+ J$ d- x7 K3 M }3 y
3 v$ d8 a- U0 j* [4 Q( w( pset xmax 30
; p- _3 t V7 ?. w0 D8 g4 f6 _+ X, t0 ~# ]
set ymax 1.0+ @# `# g+ p [" F- \2 |, `
4 l3 Z3 I8 {& M4 S4 U
clear-all-plots* p G8 V" k2 R( i
8 s& b6 \' j4 }! p/ r3 Ssetup-plot1
) g: B, o% g3 N H& h$ B$ ]9 S% c) v7 W) g# c( \
setup-plot2; r, ~( j4 \4 l* e K5 e% u
( M% ^/ n R- u9 {
setup-plot3
c! s0 L6 B3 F% o5 p8 j" {+ iend
0 M9 v5 X6 O ~) W8 p; l l; Z5 c. T% W9 h1 l _/ s" M6 }+ V- [
;;run time procedures% k2 A: b+ Y6 q9 \
$ _! Z6 s4 P ^. u: _' M1 d
to go* S' f# ?3 l$ R' W% }8 J
, ~) z+ I$ B8 e6 [ask turtles [do-business]7 T: ^; l0 I6 T
end" I8 E+ g5 E2 ~- k1 T) O: f! M
$ S$ Y: T- G% |5 v% u; mto do-business
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5 K7 Z W; U: o' ]0 M8 \. h5 F' ]$ U: I" M- v
rt random 360
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3 Y2 _2 X: u$ A( }% c+ qfd 1
: O, }( ` |7 x# p% M
' e+ p$ J% Z$ {/ V% N3 Bifelse(other turtles-here != nobody)[
! A) |! W+ J) c5 `8 i$ Y# Q6 v
6 s% U/ F% V+ w9 P3 A; t+ x C* [set customer one-of other turtles-here- J7 F# Z3 {3 Q, Z: F
( K6 W) O. y. ~6 l; ]& I
;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
8 y1 u; C( B1 W) |& }8 W5 l8 I# `3 P[trade-record-all]of self
3 A& C9 P' s6 H: ?1 i7 W% z$ e;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
6 Q4 b# I6 `, A2 F/ m+ k6 A! c1 ?- h; t8 W0 h- v4 w& T
set [trade-record-one] of customer item (([who] of self) - 1)
4 R' U6 @$ W4 T: ^) U( j; D. L[trade-record-all]of customer9 K- _% z! Y0 V. \
+ U! }) P9 L) l5 S+ |set [trade-record-one-len] of self length [trade-record-one] of self
, z8 g' x v) _' M) j
% a6 c9 R! N% Tset trade-record-current( list (timer) (random money-upper-limit))' S# d! x- J% P* Q1 T
. }% ~3 A% Q+ k5 t9 N: q
ask self [do-trust]
e8 d3 ]" K9 T) o: l4 p;;先求i对j的信任度8 X( ^% M0 v; y8 g0 x
; S, |& L1 S$ T
if ([trust-ok] of self)
- a1 N$ d- F" Y* J- K;;根据i对j的信任度来决定是否与j进行交易[7 W# h& U) J! l
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
$ P$ Q7 V1 E) X& d, Z& `( o4 L" ]' e5 F7 A* Q: f5 E
[
; x$ ]; h0 A& g" P L4 t5 f
0 c( Z! c1 R7 _* w! W" ^! E( vdo-trade
. u, `* T( y. @/ u5 b- V, a6 \
$ U' B5 `/ X* |8 J( M' F* T! aupdate-credibility-ijl: `7 e# l! q% \8 P7 F' y
+ R, W: ~* m' B, l' [
update-credibility-list6 B, m3 P& T L
$ A3 s9 G% B; q$ R) z6 ]; h% T, Q
5 N- p) J% Q0 B% U1 A8 v3 cupdate-global-reputation-list) h+ W! R8 C7 Y
- u) ]8 O1 Q- a' e
poll-class2 l- J1 f! A1 ~2 w( \
. p- E) U- |4 ]+ }) Q+ Q) C
get-color7 Z1 V' \7 w+ o
, A' E$ Q' g0 i; T$ Q]]. _ ^4 G2 ?4 m
4 I0 g: l' n# b' T, y8 [" T;;如果所得的信任度满足条件,则进行交易. r9 T1 l5 o8 u/ S* a
& Q# [/ ]0 p/ ~
[9 g3 t1 [& ?8 [/ P4 V
8 ^& ?9 N, [7 hrt random 360/ J/ w, {2 E6 A. A8 u$ n J/ z
, b5 S- u1 A) A* h
fd 1
: [, P9 `( K5 {$ ~9 V7 p
7 O) E" ^+ e; v! g7 `4 u]
, s4 H' y' A+ T) n
2 L6 y$ l& G# b# q6 c' G* B7 ?end% X O* k' v! d% U
% S1 q: t4 y& W
to do-trust
( g) ]; [2 x" S, k$ U3 _" Kset trust-ok False8 a8 o1 L1 x+ `, y) A- m
% c3 w- s- r* C; D! V
! B/ L/ x' p7 e% r- [) n' q
let max-trade-times 0
8 c7 Z1 I5 j5 f5 t3 _! Zforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]8 r) K, F8 o3 m
let max-trade-money 0& Z+ |1 U/ i* c+ g
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
$ p; m. G$ X1 c$ U" ?let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
# h5 ^7 ]. `0 m( Q( s0 v
4 r7 ?" l. `$ ~( C! R% y
: ~4 g0 E1 _. o8 T+ O' Jget-global-proportion. ]- n! b, {% }: D- n9 \# f$ I9 a# w
let trust-value
) A: N. Z! c8 \# z8 d5 ^4 a% [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)
# D- W& `; o1 s9 v" }+ _ G# Yif(trust-value > trade-trust-value), F. ]4 a! F8 S. |0 i7 ^( f5 I$ J
[set trust-ok true]
2 u8 M8 A. g+ [7 B5 R: M6 p0 ~end0 k1 {, H9 w( k: Z1 l
6 I$ _) I! x I9 L& F
to get-global-proportion# u, o( P1 f1 u$ b
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
1 v# `( }# F& M1 c% E/ H% b[set global-proportion 0]
* o: w, C: \( U, Q% y: @( z[let i 0
& L& s+ y2 f5 H( {$ `$ [) [# e3 xlet sum-money 0
. h2 @7 g2 X( j, Fwhile[ i < people]
: j: |. k8 u4 V: \7 | T& u |[" @' A8 Z, w+ Z2 |3 j/ |' E8 ?; H; {
if( length (item i
, V" {" V; O0 ?[trade-record-all] of customer) > 3 )
1 g" A" h% j, ]5 \/ ^+ A% L0 w[, r: |# E; m, |* v
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
! L% p; H# N3 D' g% Y$ x; o]
; T9 `; o: g: W+ R* Z7 L]6 ]! Q9 m0 K/ d7 E
let j 0
* ^- o4 T l0 e6 x" O* N* dlet note 0/ j, w# m2 w t) F; R
while[ j < people]
) G$ o4 v% v( T% `1 B[) U/ o. d; U7 u% G9 S% o! Y$ z
if( length (item i0 j8 D* P! U+ f5 ]5 D
[trade-record-all] of customer) > 3 )
; I1 }, Q3 ^0 T9 U[0 Z* N3 G) }" Z
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1). b! @8 V/ P) U r% s1 `
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]5 M+ G' g( r9 h* u! z
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
% h0 ?/ o' ^) Q* L p]# C) B3 \+ V9 S4 v) [
]
+ _# C T6 g3 M- Y8 s8 t* x2 qset global-proportion note
; g9 A. ]2 _, v, `/ U]
' y$ _3 f4 u' U; c. nend% q; v! a. c/ C2 L9 T$ O
7 a9 e6 S$ k) l3 {) ^" ^% m3 p% Yto do-trade0 e! N; t& C% Q% k' U( n$ V2 ]# A
;;这个过程实际上是给双方作出评价的过程
! Z8 I+ J" u# L9 W# nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
4 j- G! K/ B/ _# F$ Zset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价) q" y, K, \" _2 x* g
set trade-record-current lput(timer) trade-record-current! {! d- R! c `& x( R
;;评价时间7 i7 m3 O3 O2 `5 [" t: m
ask myself [
7 N+ p- G; M% g4 M% U. G. Jupdate-local-reputation
+ [2 w) q( v/ L5 S) Aset trade-record-current lput([local-reputation] of myself) trade-record-current
6 w# A% J! Y0 N+ p/ F5 ~]
3 u8 f4 o# _* e$ x( w; O+ W! Nset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
! j& a7 y* }+ L: j;;将此次交易的记录加入到trade-record-one中
; ~* u0 S s6 ~' d- kset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
- e' a% w3 R4 Rlet note (item 2 trade-record-current )8 `! w5 U. u0 J
set trade-record-current7 ~9 U$ K4 s# x1 {7 b1 f/ B/ O' I. D4 B
(replace-item 2 trade-record-current (item 3 trade-record-current)), W$ t0 U# N; x- x! `; ]
set trade-record-current
1 J& W. s" Z5 k3 Z/ g" u3 G(replace-item 3 trade-record-current note)$ a- x0 m( u/ c! e2 h4 j, z
# }; G, }2 L& q" }) x
, S4 F* t) H6 M2 r+ Z
ask customer [ A3 a. @ O" f( ~
update-local-reputation
e3 n6 n. o7 B' ^1 B9 q4 F0 aset trade-record-current% X, a/ Z$ A8 v: D
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) & o/ \+ |, H, F" f8 G- {2 V
]
0 q* \2 }/ S E, A4 ^: v5 N/ [9 D
: t+ u8 f+ @4 D; E3 w# v, {
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer7 Z. \& Z( s" A# {5 h& a& a
+ h2 B9 o, W- ]/ n% Wset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))& ]' L# P4 I! i! R
;;将此次交易的记录加入到customer的trade-record-all中: F# i+ {9 H0 e$ P
end
. T& D+ A& \+ n, A2 }: d
2 a$ C9 I. O" cto update-local-reputation7 _6 |% w4 A; |+ I4 n0 X( r
set [trade-record-one-len] of myself length [trade-record-one] of myself
) w2 n9 _8 P! E4 ], A& _% w! c! \+ Q: l0 v2 M' `0 F/ C
! O- H( {/ G t( r& U0 S# d9 S
;;if [trade-record-one-len] of myself > 3 * `$ A( ]/ D4 K+ L! ^! R9 e3 Y; f
update-neighbor-total$ B W0 x% [: c# G8 |$ Q& }$ @8 J m$ V
;;更新邻居节点的数目,在此进行
6 o4 ]0 r& T, V8 h% T, mlet i 34 T9 c% I1 G) Z& T5 r7 B
let sum-time 0
% a% Y+ o, _( y! j, mwhile[i < [trade-record-one-len] of myself]
; ^3 n* y. L5 \- }, d[
+ |9 V! }+ e! [set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 l) g5 L5 P7 q# S# p' Qset i
4 \$ x! k0 M! J, H5 q5 k4 g# f( i + 1)
, g1 d3 U' b% |) y]
+ @4 X7 S& u! elet j 3
+ K% ~2 g8 ^) plet sum-money 07 m& @ j2 w0 _2 Y* F$ \! ]: Z
while[j < [trade-record-one-len] of myself]" ?9 O5 P9 }4 g9 a' Z! H' |+ v" i
[3 E" d. W( A: l4 D
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)
0 B8 \/ Q" i& z( kset j
( n5 g/ D$ H: ?: |, T2 H- T6 y( j + 1)
3 M$ j9 W0 {+ q9 q+ J]
- Z3 F; x' _; blet k 39 _& i9 e5 R: F A9 l
let power 0
: k; O7 O2 `, l, _& _" Xlet local 0. Q0 ~% H! ~7 r, t" _
while [k <[trade-record-one-len] of myself]
* e' t$ t/ j$ \3 p/ A( H[
* E4 u) j3 v# W. nset 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) 0 m) f+ o0 h% O+ @
set k (k + 1)
! ]+ o: F# @9 M8 C0 q1 L6 ^. s]$ L' d/ N/ C2 o
set [local-reputation] of myself (local)
# [$ C$ x; E6 n6 S4 Z6 qend
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to update-neighbor-total
7 G5 P* F4 L1 [" J% T! P
+ o4 D" p* O. N' Z4 ^if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
1 O: |- C5 f; o: v; s
" k8 j/ Z$ |" c0 J8 r% S1 |& ~6 D' p+ L+ l) ]$ _9 J$ B2 v
end+ N# A& J9 W: n' ]! `
) _6 I7 C9 D4 Q" W9 ~! `
to update-credibility-ijl d- `& B. B1 k+ i/ U6 W5 {
b' f/ P1 C- j
;;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。5 d* F" u8 g, O( O% Z( D) _5 E
let l 0
1 c" E# p+ P" V' S$ C% owhile[ l < people ]
2 L8 v! g( b) @ e( k0 };;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0 L/ F1 f9 E% [4 F8 X+ C
[
% E3 P' W! h9 U& Nlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
" y U. L' S ?. ~if (trade-record-one-j-l-len > 3)
5 j8 x) y" r! P$ f[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
! {: [6 [' ~1 H! H8 N$ klet i 38 K9 M7 O8 D6 Y' i4 V
let sum-time 0% B a+ D# y7 m( c) D* o0 d3 B
while[i < trade-record-one-len]
3 K" X c1 U) I0 J[
" W. n5 C( }$ v6 E4 `' Gset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ). ~ ?: k+ D. { h! y8 q% Y
set i
h7 t3 W/ K+ F1 R. p0 n, U( i + 1)
0 I7 `3 o5 A' q9 O" n% w]9 r" {0 W) C9 [, J" B c- y3 G: E! n
let credibility-i-j-l 0
9 J8 ^3 G. M" V) d. ^0 R O;;i评价(j对jl的评价)0 U- L7 D$ n9 `6 Q; S6 h' E
let j 34 ?4 _+ O7 w; A) V. n% v. W
let k 43 e* N5 P+ L3 q5 t
while[j < trade-record-one-len]
) ^/ g3 I; r C* t/ Y. w# ^[* [/ z. N8 W2 g" f4 z- B T
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9 X. ~8 Q9 l& L8 ^- b
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); v6 }; ~8 e. D
set j
$ B" ?, `6 P% v3 z; Q9 o( j + 1); `2 Y; V% d; j6 C5 e
]. M3 U/ |* ^6 J8 D0 Q' j
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 ))+ P/ l1 x( U2 ?( M
* f7 s4 T4 U- C/ A, n- s" H' H* v
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
$ u7 y3 \* j, S8 u" [5 r& ^;;及时更新i对l的评价质量的评价% L0 ?% I, j% i/ ]
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
5 @4 `6 ~) b; ^4 ~# Tset l (l + 1)$ _! x3 l- ]& g4 m# s/ O$ Y
]- T; b0 H' z. M* K
end
% Z* x' `4 S% I6 p8 u( U7 K: ~- U$ v/ l8 m
to update-credibility-list
8 Y6 l- M; V5 T5 H% alet i 04 d( o* E1 G- d3 f- Z6 j
while[i < people]
1 I7 d% o+ i. a2 Y2 g. v! S+ o[, V; G O/ \- `! L4 g" ?* }
let j 0
9 j) z0 |6 E) X) N; } q1 ^$ \: Qlet note 0
& l: }* j p: G8 f$ ]* M; klet k 0
& C$ Y: s' n. C, e. y5 [4 ]% ^;;计作出过评价的邻居节点的数目1 L" I, } V$ A/ q- ?3 V- Y9 X
while[j < people]
. l8 Z* z% d; s) N$ C, Y[
|5 U# f1 ~* |7 u( Sif (item j( [credibility] of turtle (i + 1)) != -1)( W8 m6 K1 D' I4 L! x0 F) ]
;;判断是否给本turtle的评价质量做出过评价的节点7 _ _" ^& a$ e4 x0 K3 B- m4 }* y
[set note (note + item j ([credibility]of turtle (i + 1)))
3 A* s9 t! S0 \) l8 `# }: H* d2 s;;*(exp (-(people - 2)))/(people - 2))]
* `& Y6 R6 |9 `set k (k + 1). V9 g h( b3 e6 c& N& u& k
], F% N$ M4 u. y0 a) h
set j (j + 1); F! g( c& V, w$ \7 N8 @; }
]
( F$ G% m7 e8 d" t# K% zset note (note *(exp (- (1 / k)))/ k)# l W5 n3 p$ k9 q% g1 L2 b6 A
set credibility-list (replace-item i credibility-list note)
% R; |3 E* s& E" S9 X. fset i (i + 1)
( L4 v L0 d2 {, J9 A9 z4 |. ~] x8 k6 A: J& c$ W$ B
end( q' d g4 {9 P# I
$ M, K8 x5 V {' R6 y6 G7 n$ |to update-global-reputation-list7 r' D; J1 L+ N" j& V. e1 V' `
let j 0" A5 h/ g, d/ e% H/ }3 o7 C. t
while[j < people], q) e; B+ K5 _. I+ f7 r7 I
[
, V8 ], T" U( i- s1 ylet new 0
- G8 u% h6 h: ^3 M3 D2 X;;暂存新的一个全局声誉6 O8 ]2 O$ x, B3 Q
let i 0
j! _- i) q$ E" R9 S4 i1 {& [let sum-money 0
- h5 M' a* _# G! f( n% {6 nlet credibility-money 0. p4 [3 ^! c# e
while [i < people]
! k2 ?- s8 Z# R2 Z* y" K ?[
' Z& a8 j% q4 m6 i L" Kset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))5 X: v% X+ p) l- @+ ?0 s5 R/ M
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
4 {& Y' Y3 r* ~* _8 [5 Bset i (i + 1)0 o! A5 o. ]) R: s( @! \
]
" v6 I% {- c, J# N6 jlet k 0
! ?1 C0 v# _$ {& L% i9 E3 G& ^let new1 0/ @6 p+ @; s. L0 E+ G0 E
while [k < people]
' J" g1 F* Z" O5 B[2 c o9 {! b0 X9 N2 ^% S3 m* v
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)# s7 j9 }& F2 ?% S! J
set k (k + 1)
: Z& b0 U$ }7 j; U" C: w {4 e8 i% Q4 F]( X7 u' N3 c+ U% z2 W! b
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
! h: P! R7 K3 C, e& J( q; k6 Xset global-reputation-list (replace-item j global-reputation-list new)& x- V" \; i- W0 F, B+ A
set j (j + 1)
% l/ w; b' b% `% j]
* p( p& O; q0 I+ A% yend2 U+ D3 m. j2 b4 F8 v+ N6 T- e3 {
# S9 `8 g& F/ a0 \
9 {8 ?, u1 b: P
8 ?2 C o1 K8 h; H& J4 t# Q* U4 yto get-color
6 a9 {0 z3 R3 v# e+ X6 e/ S, s! k# q4 d8 a+ K R0 \/ s
set color blue6 u- I: Q6 e3 T' z0 A" B# W7 Z7 j
end" q. {+ g1 d1 J
% p& G# m& D- r! p) n- @: e
to poll-class
) o; y5 ?: \; M8 B+ u" tend
* j- A2 {0 C R$ j% A" [# E9 G: s
+ x: P- i3 P% x5 G" c4 F5 Wto setup-plot13 H% t0 Q1 h5 k. ~; g, b- H) c
! t. }9 r. ?1 D. q7 k! v
set-current-plot "Trends-of-Local-reputation"
$ B. e- t$ m" C# Z! i0 Q+ V# B- g v/ H0 a- {
set-plot-x-range 0 xmax4 c3 a9 }% t6 ~4 M4 T
! n5 v% @: M6 U& sset-plot-y-range 0.0 ymax
S( O* m, f% h Kend, ] C" S& D! i( b( ~
$ v# V" m Y4 U! yto setup-plot2
- w% g7 v2 Z/ t. ?3 E& k* w* \3 k% d1 ]+ F% e$ f8 f1 i
set-current-plot "Trends-of-global-reputation"* f. b2 S, L2 p2 x# D, q
* n ?3 j8 }- P7 d5 f5 A) B4 Uset-plot-x-range 0 xmax
. V( U# E) H6 E) N; K) q+ H V" Q. f6 a F
set-plot-y-range 0.0 ymax" E$ Q, n z" @ k4 L
end Y4 q9 ]7 x# j' v6 n6 y
% k7 x6 F( t6 z' A) b. I1 N
to setup-plot3
! ?" e) I* S1 }9 A
3 z1 I$ ^ d: z2 R' cset-current-plot "Trends-of-credibility"
2 G( G" [4 y# ~" L) G( o Z& M1 K6 f+ p2 n
set-plot-x-range 0 xmax
: Q$ ]* `0 P3 W% W4 E c5 P& e3 b( m; Y) K
set-plot-y-range 0.0 ymax
0 a2 R/ |& ?) M% Jend
& a/ K1 m- Z& }: o
% z0 _# R0 V, S* Oto do-plots
" }+ s% c, a+ ?( G" H( sset-current-plot "Trends-of-Local-reputation"
' d T4 [3 A! aset-current-plot-pen "Honest service"
% [8 h( C! r: t8 M- n) ?3 Eend
" E9 \6 f2 k8 K% D% M: p7 H6 S$ ]* C; X2 x- s
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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