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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
2 {% J) Q2 d- n9 S: B) dglobals[) I& D" v& S! f2 }
xmax+ `& {/ g8 N' U& b+ F E" r2 x8 c4 z
ymax
/ `/ l: N' b( i$ f* r5 F' ?- _& ^global-reputation-list
1 K2 g" n: T1 P8 M# J9 S
( [* v( i9 @! D, l+ M* @! d;;每一个turtle的全局声誉都存在此LIST中
3 e+ S& z- }# M/ a' y5 y {1 ~9 w k/ Ecredibility-list
* M! s0 v+ `3 i;;每一个turtle的评价可信度9 @+ F9 |9 i3 l
honest-service0 L2 i' l7 [3 z' ^ L
unhonest-service2 @! s- z) F ~$ Q9 N- l2 a j
oscillation
1 ^' X& z, D9 N' }+ nrand-dynamic% K) H5 y* y* Q2 o
]( t! h$ F( u( Q' |/ D% h
+ g! |5 k, d. N4 h! e$ eturtles-own[
4 j, M/ A) p8 q) v8 \2 f4 Ftrade-record-all2 X. d) Z6 S1 K: {
;;a list of lists,由trade-record-one组成2 D" O/ f7 K6 I; F0 y$ p! k* `
trade-record-one5 E+ M6 p- q! ?; F$ S* C
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录1 z5 C$ ^+ }! Y6 |
" n" m \8 p7 j4 S: Y, I' A;;[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 ^3 K$ E) d& o+ ?& B) atrade-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 O+ ~! a! h/ W$ V; acredibility-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
5 q, ~1 M( v, Q( X- r* c5 o7 Qneighbor-total1 k: t6 ^6 X5 F8 o6 o: A* B
;;记录该turtle的邻居节点的数目. w" M; s: w; b6 f% l
trade-time! ?; y( t/ Q4 y2 p, b& s. v$ a
;;当前发生交易的turtle的交易时间
. V4 _# t% K6 b! ?% oappraise-give
0 ^; z0 D7 o9 v* V$ u9 L: B8 I;;当前发生交易时给出的评价
: Z1 k/ }6 V9 k! [* B. `appraise-receive
% G+ N( d3 [; M. n* c# |0 };;当前发生交易时收到的评价
1 {' q/ l6 ~ |1 G, ?% Zappraise-time( m @# F) _5 ^( o5 i. t
;;当前发生交易时的评价时间
$ \5 s, T& c/ U4 A0 _5 l! P5 U9 jlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
. C1 ]' s+ o- T& ]% I) G H/ itrade-times-total' w$ `& {' g9 y, I' M
;;与当前turtle的交易总次数
( S: `2 i+ u& o' W* jtrade-money-total; A. F! F) ]+ P* h
;;与当前turtle的交易总金额5 \' g5 w* @) }& q& }7 t9 u
local-reputation
5 @- J( Y/ C6 }global-reputation! ~4 B% B7 s# K) }/ @+ m, E
credibility1 c5 ]' |! p2 _
;;评价可信度,每次交易后都需要更新
* }, B0 Q# R: R0 g* d+ ?) xcredibility-all
X- P% ]; w* v m# ]! \;;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, [$ n; N( X7 }* c6 L, J
# I. o3 m, ^ U9 q- X5 N- A
;;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' q$ }& a& C1 b0 O# v/ `
credibility-one) K4 |' _6 d l- 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+ r2 E5 `; j F q7 t
global-proportion
+ M: d% o! }0 D: [2 @ Lcustomer
" d* f) D2 @7 x) }customer-no/ j. t/ s- e! {2 Q* d. ?
trust-ok g- G& B: g4 l
trade-record-one-len;;trade-record-one的长度
3 n$ v9 {$ B8 B8 J9 @]
/ C6 \( |# Y3 I, j5 X' O6 @
% e5 W' v) [/ S+ E; L! e0 ~8 Y;;setup procedure
, ]2 n9 V- O( [ D& z0 s* x3 z0 q5 I: Z% H+ B; ~
to setup
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ca" N+ A. g$ i0 `3 o0 ~7 i/ D
8 {) F7 G; X4 _4 t r4 M
initialize-settings
0 a7 l: C; p) E( } k, @& {# u9 T$ \" A- t$ |
crt people [setup-turtles]
4 U: O) g" a( ]9 W& d
* R/ _+ X8 X, ^reset-timer$ V+ G* ~) k2 a( i- D( H1 p0 q
2 P% h7 r! C1 e! C9 U& g+ s* @. Vpoll-class- G5 D6 r" A; r7 T" ]6 k
" w( Z( V0 g* f. I5 A: O
setup-plots
: U# n% |& c- o$ u
# z/ ] m+ N6 R8 |, {3 ]1 v; Qdo-plots
" ^* w" Y/ U" ^& @* N1 T) w yend2 g; d$ Q: N' e( _) @3 t7 P7 k
' U) j, f; \9 ~/ U, q$ nto initialize-settings1 \# T/ k q9 I1 m8 p9 Z+ k: w
- V# ]: V% w0 g! Y6 oset global-reputation-list []
; t. e# @" Q# J, _% a* t/ I: R6 Z1 {% t6 h4 z4 D) }9 Y' h* O. u
set credibility-list n-values people [0.5]
9 c; F1 U' P$ W% T4 t3 y5 m: o) M; z; P. F
set honest-service 0
% [3 @9 q8 k2 F2 Q d+ y% x$ V2 v) A% f) ?: W, R3 U; z; z4 F
set unhonest-service 0
* d9 a. |* B2 e
0 j6 k, }" y9 o: M( ~set oscillation 02 B9 `2 ~+ O" y) Q: |
9 j7 S3 y/ a! f
set rand-dynamic 0 N E; ^$ R0 a: {- x1 v! t
end( K7 B) W& x/ K, v& g! E
; i% z, e* R1 m( o( R5 [. V, \
to setup-turtles : n) l, r; U! ?& E0 [0 v$ ?- b
set shape "person"
& H, R5 G: h* y! s) Osetxy random-xcor random-ycor
/ J5 S* U/ G- N6 d' L# q( Vset trade-record-one []" k9 J. j5 X1 q) s% r4 |4 b
0 x1 B* h( x5 Cset trade-record-all n-values people [(list (? + 1) 0 0)] : K) J* C0 {3 ]
: W/ g0 l) r% M2 H0 f2 \- kset trade-record-current []- A1 o; G- [' q5 M: q
set credibility-receive []
& c1 L9 T" T/ B: W% U" eset local-reputation 0.5
3 ~$ A- P" ~! vset neighbor-total 0
6 F1 i8 \6 P4 W m- Y6 `( z+ V/ vset trade-times-total 0
6 B. J. V7 j1 U9 |2 v3 Q) k) \set trade-money-total 0
; ~. X/ I# X2 x% `set customer nobody" @5 F$ @) G# x! Q/ _2 X9 ~1 L
set credibility-all n-values people [creat-credibility]
" b# W( F+ W ]; lset credibility n-values people [-1] j( r* P* L9 r9 j# l( F- ]& O
get-color
" j1 m) w l. e# I- B3 a2 L! U* u# {7 |
end
3 {/ a0 A5 b( o/ D" i' V
8 g! x7 h3 d. `) b: uto-report creat-credibility% _+ K% X3 | U/ X, K8 {4 `) f
report n-values people [0.5]
9 \9 r- r4 H- Z( X# c; |end
Z6 j; Q) Q0 q) O! p0 G
/ _; B( x- d. u4 [to setup-plots
$ ^& i, L3 H- R; \9 }! _
. i/ ^ H# M! c0 Oset xmax 30
' u0 \0 ^ E* b+ F
/ B4 e: ^1 H4 p% R3 Y) Fset ymax 1.09 i* h) I" t3 ~! p- u# N6 z' E* x2 f
! y" D" K5 i' ~
clear-all-plots1 \# \% P$ A4 C% V
' M0 m& }# e% O5 [
setup-plot1
: Z- H: O; q) n$ H5 C
$ j" S+ E3 c( C/ Fsetup-plot2
* W6 y- R5 f0 i0 Z7 p
( W2 Y3 g/ G; v3 S6 e2 lsetup-plot3
& I8 J! l- w6 ]1 t8 k- J- f1 rend
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9 b6 e+ W, O& m/ f;;run time procedures
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to go! \5 T# i1 |1 T" S& T' E/ }
1 ~5 e2 u9 @2 `) ?* ~( w4 O
ask turtles [do-business]6 R( `# p! X# w
end3 y* {$ r. z( L! `
+ k: O+ U& w- r) e$ e
to do-business s0 }& a" ^& j1 m
9 u6 V' ?8 z$ s1 W+ h5 o
( T: [7 D/ E( h/ {7 b4 Yrt random 360* M& S1 p+ ]# }- w
6 z# X; E4 E# W" vfd 1' {/ _8 c, I' ?+ O, {: x( {% F
# s, D8 F' z- @" u {
ifelse(other turtles-here != nobody)[
' x: v4 C' ^; q! s& z/ S
" o& X, ?4 o ]# k9 p$ g" n7 z7 _6 xset customer one-of other turtles-here+ Z8 y; o5 _6 N+ e& |1 |/ o) S
+ r" u& H8 q7 q C$ S: |* o2 Q;; set [customer] of customer myself+ h; Y% X$ T& q4 a; W% r, p
2 D' S1 C1 r4 c$ Q7 j& |
set [trade-record-one] of self item (([who] of customer) - 1)
3 @( M! c. J; O9 m6 k[trade-record-all]of self
1 D5 y& J; o$ I1 c;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
3 | S! r* K3 N7 z8 |& R: o
( o/ f7 l* J4 C! c3 z3 G5 j. }set [trade-record-one] of customer item (([who] of self) - 1)! H! I! I' a2 y, h7 Y* P. Z
[trade-record-all]of customer& n2 Q' e: Q) \& R9 S6 k c
t- f0 c9 Q: w
set [trade-record-one-len] of self length [trade-record-one] of self, P# @2 P7 F, ]5 e
3 h9 B+ j% W4 c: U. e2 E
set trade-record-current( list (timer) (random money-upper-limit))/ _- `/ [2 I5 |
! O1 L( \5 T# O7 l# k% t# M: f
ask self [do-trust]
; Y, Z3 z- X$ U;;先求i对j的信任度- q. C& h6 m" _4 O! g
4 [8 F$ L1 d4 H4 {" J$ H8 j4 B
if ([trust-ok] of self)* H6 p3 G4 S: |, @
;;根据i对j的信任度来决定是否与j进行交易[/ \5 p9 L; T( C7 o0 Z
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself5 w, D8 {" W& c- |2 J
7 Q* ]- c$ m! S' k
[- y. M; B# h3 z! q5 N% ^
, t2 R% l( u) sdo-trade6 a; ?! m# L/ A9 o
" e' t- \/ O) o8 [3 R& y
update-credibility-ijl/ |+ L' N7 _& M. Y% T- z+ p
8 v/ T& r0 g/ r8 N- {- pupdate-credibility-list
" ]3 H. K% \ K Q7 _5 {$ k7 I
' o$ q+ s* W; r+ P" Y
; c( y+ W5 [) Dupdate-global-reputation-list
( @% I; O4 d+ ]2 o
+ t( J! f) w& d& Gpoll-class9 c! z+ O1 G3 L- _, N
& } Z5 p" n0 v8 `- {+ P# Kget-color
+ P, T- z3 `7 C1 W1 M8 o& _! W! l8 l6 c1 n
]]8 p) Y+ n! T0 f: D' h
4 [* `7 q6 I+ m( L) n;;如果所得的信任度满足条件,则进行交易! N; j" N( e/ ]) y8 d7 P r: D, r0 _
/ i* q- k6 A( c. t0 T& b$ n3 y
[! _1 b; e# b3 ?' [ ]4 W. P! E$ R
3 @. C. }9 Q: n+ C) {) e
rt random 360/ R) F s7 E9 K3 R2 [; F
- W$ w; @9 ^. Vfd 1) \3 i2 Q- b8 j( P! f
; {- B3 W( b) I3 ~ g! s]
3 z7 d9 R5 e4 C8 T: }$ o8 U* H5 j$ B `$ _* O3 E
end
* Y2 [% F: J* J( `; m2 K0 ~
! x0 k7 }% o# H: K: Vto do-trust
0 w1 k6 u6 F5 v% o; A+ sset trust-ok False- U! s8 u: I8 ^, H1 x) ^2 ^
* \" I* t, ]' y
- V, X2 E8 v/ W& j/ b7 nlet max-trade-times 01 o( f+ C' h2 b, i5 K$ I
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]+ m1 y4 j3 S7 P9 n
let max-trade-money 0" v7 I9 t- B2 D B! w4 F
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]7 ]/ b) N" @; @7 `; Q) X
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))# [) Z+ L# y2 z
; ]0 o/ {& L( {% ?3 }1 a1 Y; p; I a; Y$ s
get-global-proportion
4 r3 {" G$ l7 } @" y) @let trust-value: O) g( L$ r6 s" v
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)
6 T% _% ~& J) mif(trust-value > trade-trust-value)
9 Z/ Y8 l7 g. R d: q[set trust-ok true]
! B+ |/ s2 {0 x2 {' send( x/ ~/ m2 ~4 r1 h: ]3 `/ i% t+ }
1 a3 F3 v& c5 K
to get-global-proportion- z1 x; B9 [! {; ~
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)% u) f- c# c9 p* F7 y, g
[set global-proportion 0]
a5 ?; n, f$ ~" J[let i 0
! e6 P0 A6 P( k9 M. Y) Blet sum-money 00 H+ n1 C" ]; J: k, [7 ?
while[ i < people]- Y* i V0 g. ~3 n5 {; d
[( b& {+ N9 b& R3 D" }) g8 s) r b
if( length (item i5 X4 ]- |2 E+ o6 M# G
[trade-record-all] of customer) > 3 )0 P2 ~3 [% Y& S. G; G h
[
* X$ T( ^" i5 n& S" `set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
8 r; t6 a! p+ C]7 q- u& F' m' @% m1 z s
]! L6 @* w8 v# s
let j 05 f7 c* U3 h6 i2 q: h, p! F4 N
let note 0
# H$ t5 w- c' c% q/ Xwhile[ j < people]
4 }, ~" u; e/ I/ c* E: @5 R, i[
4 l! G5 ^) t1 b* ?- ~9 O* _if( length (item i
1 }& s2 @, ^: ?' g( P% M( _[trade-record-all] of customer) > 3 )
5 s, o! L) E' l2 ^0 S2 I[
# c& _" W. w; e& H& Tifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)( d: t' V" X3 S& {
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
+ E. I2 m/ G- m. t[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]' U1 o2 @$ o+ n$ A. W% D
]
7 ]0 c- f4 Z; P' ^' @$ u, z! r]1 h F& M) n+ L$ v! \* r
set global-proportion note3 ]. ~- Y4 `) x! T9 V) X. s; D
]
2 w4 m+ I4 e, Xend
4 ~- l7 W& U" W$ f \9 T
t' t9 _. h3 f' C" Y! s+ I' ito do-trade! n& N% z `' _) k- A
;;这个过程实际上是给双方作出评价的过程
1 r4 ?; O9 R5 A8 Q" N9 ]+ u3 H* Bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价) k! M9 @; Q1 p6 b( ?6 y! Z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
' t7 i& ^" ]/ i0 \set trade-record-current lput(timer) trade-record-current. T# l; ?2 M% r, R. E+ J
;;评价时间
* m" g0 E0 ^9 Uask myself [
2 B2 \# d/ D' S. ` g$ G! Nupdate-local-reputation# t. n; D( q; H* J+ {
set trade-record-current lput([local-reputation] of myself) trade-record-current
' [. B7 u1 v5 p]
, {" e" ]6 h+ `! {5 K' N) E" K2 hset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
* v7 W4 ?8 [/ T;;将此次交易的记录加入到trade-record-one中
/ m. s) x1 S1 `1 [7 Wset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)* Y0 u$ _4 b t. C1 R! A7 ^
let note (item 2 trade-record-current )
+ i2 N# k& Z9 i; n( b: w+ ~set trade-record-current
5 G) W( e% h7 x" o2 t$ i/ o(replace-item 2 trade-record-current (item 3 trade-record-current))9 j J( \, Q5 }% o% M- j
set trade-record-current
$ L( z( J# U$ d# @5 J, p/ T: e(replace-item 3 trade-record-current note)+ J1 _' t/ m) j4 |! L n3 x% [( H
, ]$ ]4 z7 Q0 ?" d* p9 W
, b+ C2 f5 @' F+ x( o5 P+ \& @
ask customer [! h2 M9 f# i% k0 V, Q
update-local-reputation
1 ?* v: T9 ?4 yset trade-record-current( `; B8 x3 z* V+ D" W S2 O
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ; T' W8 z- R7 e/ n& I" K. [4 @
]# p; W4 `9 k/ h9 R
# U7 v# ^ J8 g9 w Z0 a3 I
6 c# X& |" ^; T4 Q5 N# W- B/ p5 x8 g
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
: G6 V9 G% e9 w6 ~9 B& o9 P' B
! `2 }2 I/ P1 c! I, }set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))& }1 b F; u# F' x: O! {: m6 g% u% Z
;;将此次交易的记录加入到customer的trade-record-all中
# Q+ i! e4 k- _( _! Z% V' \8 A7 mend
; t" `3 `. n- v3 \! m; l: [- I5 x. Q+ N
to update-local-reputation/ B; H9 B* F( o0 D) I/ @
set [trade-record-one-len] of myself length [trade-record-one] of myself
# O: D- A* _, Y* I/ }2 R7 o7 a. v1 ^6 E; A
! J5 f! f( p/ F( x
1 N# ]: q* \) b. L1 ~0 U {9 {. ^;;if [trade-record-one-len] of myself > 3
0 G. W i8 K" J1 J, tupdate-neighbor-total
) Y3 B4 Z, D3 c9 g;;更新邻居节点的数目,在此进行/ a2 M% B& N5 B: L) U- L
let i 3
+ q" q/ ^8 d+ t0 c5 slet sum-time 0) a& v K9 e) t( g! R; \9 S
while[i < [trade-record-one-len] of myself]9 B9 \3 x# a5 d+ B( Z: p# b/ a
[
5 Z2 @, Q' p" pset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) L& ^/ F0 [2 y+ l$ g+ y/ `
set i) ^" l8 u8 e* I* L# a% o
( i + 1)9 a. h; T1 z+ z/ h9 Z
]
) S: b/ S' O1 r: H$ Glet j 3
( V3 H: F! T4 B# qlet sum-money 0! j t4 K H/ R; u4 D" v
while[j < [trade-record-one-len] of myself]8 a' u8 [2 K6 C7 [" p4 K+ B, Z
[$ I: b' ^2 ]3 T
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)
: w- {( u7 v1 P! v4 Kset j
# ~1 Y z8 U4 s! e: p( j + 1). t% P: ~& Z' F6 a" ^
]
- U% w: H/ d) ?4 h2 o# f, k- v9 ?let k 36 C2 }( F; }. q5 U5 Z1 U$ b
let power 0
/ @ Z4 p- M' l5 Olet local 0$ s% R) e2 d7 s; M$ {6 {3 C5 J0 `* P, J. O
while [k <[trade-record-one-len] of myself]
8 \0 g3 Y$ u# U7 j$ R[
: f! ^% W% j9 ?: Oset 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 p4 z0 y' T, U' q2 N+ A5 Hset k (k + 1): ~: ^; F9 d% O9 a, r1 w7 @
]4 ~& d4 s6 |5 N8 O$ f
set [local-reputation] of myself (local), }! u a5 ~3 B: T
end
5 A1 e( g+ k3 e. c, S. Z. C. Q5 R3 k4 K' S i0 X
to update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
# ]6 b+ d! a$ @9 f1 n
& s# B( \' m4 n( o, a6 u( K: u1 W; E; u7 K1 L. X- M8 |6 Y
end6 G1 u. H/ s2 ^- |
9 |( L; Q `; ~1 Y X1 X6 Bto update-credibility-ijl 8 ~6 E* o: L) E* w
6 w! b/ t4 @5 Y- f/ G `/ 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。$ v" w7 R1 ^2 k3 K/ Z |0 e
let l 07 h/ B9 N2 P& ^
while[ l < people ]
8 N6 h. S' V7 C" 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, E# O0 a( @- F- x# _4 g
[
5 `( |& r1 T, s8 e) k+ T4 P( A& zlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
9 ^3 T; g, d& e0 D! }if (trade-record-one-j-l-len > 3)) y! b4 H! U- P$ I4 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-one4 l( Q; K9 S& y/ F, I6 q! d! z) n
let i 30 v. ~, g' [+ Y' r7 F) B, |7 b
let sum-time 0
' ?& V+ Q }+ J9 u1 Hwhile[i < trade-record-one-len]
) U* n) F$ K9 n1 ]: k[
# G1 A. w1 }7 t6 ]0 R" l9 sset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )7 @: L* A+ A, g3 y) G% {& C: R0 M0 X
set i
1 V1 p# i1 p3 S4 O; X* m) o0 O T/ O( i + 1). g3 @, H$ V" ~' E% w
]
r0 u* }% K, T- ^let credibility-i-j-l 04 N& S- W" v8 o s0 }2 C) ]% ?
;;i评价(j对jl的评价)
3 R2 G/ s3 W' L G) b$ l) j) F# llet j 3: W0 E0 `1 ~# l' J
let k 4
' K! H2 q* a4 p% g1 gwhile[j < trade-record-one-len]( v& p7 h- U1 T5 w3 d, K! g( S7 U
[' v. ^1 g5 f. X& I* n# `
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
: j6 L& A0 s# ]: z# |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)
1 \! R2 j) r- Sset j
# `: }# M7 F2 U0 V, y6 c# E( j + 1); W% X9 ]' t- z( P0 k
]
! M- W' Q" [1 a' J3 fset [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 ))% J# X' e: ^# T9 }% L
M% K6 f7 \: O& o7 ?' O: Q6 ^, P0 x" ?
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 i S3 B0 B5 d! [;;及时更新i对l的评价质量的评价, @+ R: S" u4 C( M u) ?3 D" l
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
+ i2 h6 y; U+ y( _set l (l + 1)
9 U% ^% b4 O6 o) c4 Y( L]# N1 m& B0 E$ b- b: q# d/ [
end/ P7 p& j- t9 I, A7 b
4 R! X9 n+ V& u6 t1 J2 ?
to update-credibility-list% s2 Z, ~' H! ^) F7 K0 B* }9 }
let i 05 A" I& y9 h0 Q- f2 I* i; N- n
while[i < people]
2 ?! A, J& @2 o5 W, @4 ~0 u; f8 Y# o[
7 E; m4 m2 L( O! c& x! |) O6 Slet j 0
- [" \5 V; d/ V0 q+ B% Slet note 00 s+ N$ C. ?7 D+ ~, y
let k 0
& r+ \" _$ I" N; W8 M7 ^;;计作出过评价的邻居节点的数目
! [/ ~# |8 R" ]" gwhile[j < people]; T( b5 Z7 B* @9 o' F( i ?
[, o( J2 E% G r4 X5 R; S
if (item j( [credibility] of turtle (i + 1)) != -1)
0 s0 j1 V- D! @( m" S;;判断是否给本turtle的评价质量做出过评价的节点9 {4 ^$ K0 Z3 t
[set note (note + item j ([credibility]of turtle (i + 1)))
0 P# `& Y$ ~% C;;*(exp (-(people - 2)))/(people - 2))]# q, T' B# ]8 F6 h9 L4 @ y! y
set k (k + 1)
' V* Y5 n# _& ^+ ?" x/ Z" t0 | K9 n]) I% _4 J% u6 y
set j (j + 1)* K2 s W! i2 G, W @' q: ]2 D
]) l+ F* F: o1 _ ~% @" e
set note (note *(exp (- (1 / k)))/ k)
& K- n( T& S2 E% C. X2 k, }set credibility-list (replace-item i credibility-list note)* r p( X) ?) j, P
set i (i + 1)
5 _& C3 I. I3 h8 h* E& F]8 q5 s0 z# t$ r' G: d
end0 J2 s, W" E+ \0 V
0 T5 H5 e8 r7 p8 sto update-global-reputation-list
) n9 r) E; z! h+ b- s7 Nlet j 0
7 u" n; e7 y7 E2 kwhile[j < people], x$ l) s( y& `) N
[& [/ P# ~. G$ q: U; V! ^
let new 0
. ], ~# r" {! p) k% B! ~;;暂存新的一个全局声誉& t4 j, Z6 F; U9 V! a) S
let i 0
& v1 y. v y: m& Alet sum-money 0. H# |& @- n0 G/ t0 L& M
let credibility-money 0
; F6 g* i& T1 o. swhile [i < people]
5 @0 I/ s- D: @2 E }[8 i; s. D v: u" E1 m- w
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))); \. g8 g, M' G a& f: o9 ^$ F
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
5 q s/ l: @& \, L t- gset i (i + 1)
5 p$ g+ i! W( N7 I/ ~! f" e]
; b; a8 D9 x; ~& _let k 0
8 c# G& X: U3 v' h; o0 g: c& xlet new1 0
1 s' h3 Y/ K" E, L# f) `while [k < people]
4 P6 j; I* h' f; ?/ U2 M[
2 _+ h G( V5 {! Fset 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+ e7 c p: q4 M6 A+ p- j
set k (k + 1)3 a$ i/ W3 H Q w! Q
]
' a7 `6 T& w, }0 F4 C" p# hset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 6 d7 e! k; J" }! j6 K
set global-reputation-list (replace-item j global-reputation-list new)
9 B6 J, ~+ }& ]) ~: v1 Nset j (j + 1), {' F& }& o. W* `/ s4 [5 Q: l
]1 r: o9 ^( R% @8 d4 S7 h& H
end1 S- i! m6 W2 y
0 E q) v% R7 _" \4 f6 I
5 O) H: [1 P$ Q5 J& D
+ V% K# C; g" E$ _/ l! Z+ i
to get-color
- k. Q! z( ?2 C/ h6 N3 W. `4 c
7 ~% S M. l8 _- P7 _set color blue
7 c" p( L& i0 j( P" I c3 d( \end
$ Y. V! ~0 A* v2 f! l
/ J) B2 L* Q. F v+ Oto poll-class4 I1 Q. \' x8 a, F! }
end
: J) d8 b* G; T- `! g- \9 | R* q" m- J* y
to setup-plot1) d8 k& v3 p! }% \% K2 P! _$ V
3 D a" o5 G, `3 ^
set-current-plot "Trends-of-Local-reputation": i; L! Q' F1 a/ g0 r$ [, }' Q
& z& J% A( |1 B/ t7 \set-plot-x-range 0 xmax
* B5 B8 K0 D% s1 }) f: o8 r
) D+ y! c# m E5 p& jset-plot-y-range 0.0 ymax0 l* U$ s5 C: t8 W- U
end
2 }* k* \- H2 K+ y8 d6 w3 C
0 T4 w3 ]8 V+ g8 k/ Pto setup-plot2! y8 l, O% x* K Z6 G( ~
3 l' C8 `( c9 v0 b2 E) T9 Bset-current-plot "Trends-of-global-reputation"
1 i- P: o$ s2 L. X+ Y2 L5 F: K$ G( o' P) [" E
set-plot-x-range 0 xmax! _/ S& o; u( F% C
) Q1 d# H. w; ^4 V; gset-plot-y-range 0.0 ymax( @7 F- z# a5 r/ y5 T H+ j& x7 l
end
1 `/ m8 v0 i* u7 o9 S
% V! e! C2 i9 c! Dto setup-plot36 T/ Y# l; t6 l) D* r
$ A6 _2 s( U* X+ u" Wset-current-plot "Trends-of-credibility"
6 ?' ?, K. {8 r+ |6 j, S$ w3 Q- F) T4 \" s
set-plot-x-range 0 xmax
* F. M1 S( i$ C6 Q
1 C0 H. \ n4 f& y( Y( m0 fset-plot-y-range 0.0 ymax3 t# q" f) j4 w, ?
end; l x) N7 Y0 r& a- ~6 Z
, k, x0 z/ S+ {6 E
to do-plots* V Q1 e9 |; _" z7 r
set-current-plot "Trends-of-Local-reputation"
! o& n8 Q8 L W8 O, Oset-current-plot-pen "Honest service"; I6 \- E$ U% ?- b
end
5 s9 |' {% a' \- t- l
7 a$ t% j& C2 b' q6 q6 J& }& }4 e[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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