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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
, n9 c" l/ ~9 m9 g3 n0 P6 pglobals[
" T$ P' K+ \$ t6 g v: s' e! p* g) Gxmax
7 E& {: X+ t- D% fymax, Z$ E/ o: J8 E- o! [
global-reputation-list
8 ~& o1 S/ N3 d; k! a4 W L9 l: H$ e% i& M
;;每一个turtle的全局声誉都存在此LIST中' F' v% Z4 \' e/ s- D1 `1 [: T1 i. D
credibility-list
o) g7 g; u2 E$ w7 {; Z$ ?;;每一个turtle的评价可信度
: m* K/ a8 f$ S. Q) Nhonest-service0 N3 P' b8 \( [ g0 [2 P: Q
unhonest-service9 P. e/ ~+ |) A/ @3 `4 g
oscillation
# M3 p2 I) V5 E4 |8 }rand-dynamic) B1 P1 j+ k* d( R; b$ c
]
; L+ \5 I+ P' f& i# s
1 I7 h; N! ]( a& [& `$ uturtles-own[; b# D& Z* [8 b- H$ S" b8 ^
trade-record-all
# j* \$ a9 o$ N6 j( H, d;;a list of lists,由trade-record-one组成
( v' I( R! \. |. y$ n: Z$ h7 Y$ ~trade-record-one
/ `. M o0 _5 P' h* s. P;;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 z, V* p* S2 T' s+ u5 R N, C( c) o* d+ S' e' X9 \5 u! m- g
;;[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]]% A* w+ B6 Y; @& C% s& U ]+ w
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]5 I8 J* D+ o) p3 ^' d5 N( a
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list2 F7 o2 `4 R* f
neighbor-total
& J. G; |" ]% k;;记录该turtle的邻居节点的数目7 V1 J3 C' G- [. Z. g8 J* i
trade-time: |7 {. v* X* e* w, y# I
;;当前发生交易的turtle的交易时间
' u' N/ u; m7 D0 a. N0 u$ x' bappraise-give
2 g" x# u; G, |. C;;当前发生交易时给出的评价
! T8 S3 L, U$ T% A4 i. b1 R7 Qappraise-receive
9 _7 Y. w$ c0 S5 R$ ]5 R;;当前发生交易时收到的评价( F) u4 w$ W6 }' L8 \
appraise-time* O: |: X: z, p0 e8 T* E
;;当前发生交易时的评价时间7 t1 B; D; v6 k, A/ w; a' p/ m
local-reputation-now;;此次交易后相对于对方turtle的局部声誉" f5 D& W3 c. O. c- U* G0 V, B
trade-times-total
& r3 s. L* E% V, \;;与当前turtle的交易总次数
& b' v% T \0 i' v6 T$ {0 f( {trade-money-total
, u9 ?; a1 b- I" `8 d/ q/ m;;与当前turtle的交易总金额
; S9 m# L6 _; ~+ r2 elocal-reputation' C% N7 e! I- L: ^0 ?9 g2 c% \
global-reputation( N. h6 A* ?# D ~) y% p$ p3 S
credibility; R. u- w( R, q$ q& w: Z- _) c! |
;;评价可信度,每次交易后都需要更新1 v X( `: }. c I2 g k& [7 t
credibility-all4 P! J7 ~' s$ g j$ B
;;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
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;;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' Z( @3 h3 K5 f$ B( {
credibility-one
8 M7 x9 h. |0 O/ {% m;;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 W4 C# A- G# G- a7 r+ Zglobal-proportion
- F/ I5 s; R% ?. xcustomer5 h# m7 E+ N+ | r( I$ d P* }+ g
customer-no
3 u, E6 }$ h* [, G1 e8 s' }trust-ok
. a4 C5 Z) \+ C6 wtrade-record-one-len;;trade-record-one的长度
/ l8 _4 t) x- D]- |: o+ D# Z8 b7 H
1 a8 q$ t. o: a( a. t
;;setup procedure
: f9 V0 \' X, f- [; q; S- Q! B0 _3 j$ p' s& K$ _$ Q
to setup2 a# @% Y& L. S' ?
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ca }7 i9 Q2 B; H' l% @
2 X8 E( v" h: Q! W! y6 A3 g( Q! _
initialize-settings2 s( `0 l8 z) H& b% L; f) S# _
+ Q" u5 C- G/ I p7 s& ~crt people [setup-turtles]" i8 N' n- ?" z P
, @0 I) Z7 }5 n) a+ i, B2 J
reset-timer
! K; K& `7 C4 ~1 D
! Y* i; K1 }3 |, i9 @0 xpoll-class
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setup-plots
8 X" R1 k* G. C+ w; b5 F2 T
$ @: C2 J& R/ L' o( ndo-plots
8 R3 J% R+ c2 N R% Qend9 P7 w+ O: w0 q; S: ]
9 ?' y; a3 O3 f; B# `( W7 R0 o% S% dto initialize-settings
: E+ f* P5 }( [$ V* q* i
" F* V0 ^* O# n0 z3 Q) @set global-reputation-list [] e! O3 G# _9 D/ {- _
; j9 m/ I4 K/ t( Nset credibility-list n-values people [0.5] P/ T& n- K2 y2 t8 E; c0 K
2 t' e, ^ ?% E% j0 ?) O
set honest-service 0
, T6 ] V. I) M; K# e1 E" F! ]( k9 u
set unhonest-service 0
+ i' J4 [7 W q
% a$ @& r! q4 ~9 J8 Fset oscillation 0
- C6 `. |# z: i9 c* o9 R }, { K
2 O3 O5 o9 r; G$ R4 J2 O9 Jset rand-dynamic 0; C7 y4 ?( {7 r1 v. ^# k y
end
" N. D; W0 g/ t( j
3 T" H3 R3 |' |6 Q2 pto setup-turtles
7 F U8 ` H5 B$ u% ^2 |set shape "person"4 G; Q0 K( ~* R1 C0 X
setxy random-xcor random-ycor2 v7 L6 K! K. y+ a& \% O
set trade-record-one []; q0 O2 d3 U' y; u
8 z+ D1 X9 C6 Z* c; q0 i) rset trade-record-all n-values people [(list (? + 1) 0 0)] 2 c3 Q% D; b j. W
. E- F# X$ N0 e) o" S! ?0 B# D" kset trade-record-current []4 n2 D, Y- U, w; P2 g* }3 }% f
set credibility-receive []
4 S+ g: N; m/ P! z( U1 M* h- Xset local-reputation 0.59 e2 Q) @7 z8 W4 Q
set neighbor-total 0% H. M) x7 i d ?1 W/ q. q+ ^+ l* n
set trade-times-total 0
5 R! ^/ b6 w% N& L! Wset trade-money-total 0* X& u n7 |# h0 n) ^
set customer nobody# A5 Z, E" ^" C7 {( ^8 x1 C( y5 m
set credibility-all n-values people [creat-credibility]2 {' }: k7 f8 X7 q' z. p
set credibility n-values people [-1]( N/ k4 a. F4 n
get-color
$ u+ C0 l2 @/ p: z0 x# i- K! Y% ? N3 @- `, V9 D# s
end$ B7 f3 D/ z2 T& ?8 I
" K$ U& L+ P( F, C# z: m8 cto-report creat-credibility$ F! P3 u3 h% u. { a m
report n-values people [0.5]) S4 _' k" Q% F1 l7 ]
end
0 j( c4 Z& M3 [4 b6 v- {2 Z. Z1 Z. I: L0 }8 |
to setup-plots; G; t3 D; H+ S
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set xmax 30
% |7 H& X! E3 N3 b+ n
# P! \; C- y: p1 r. Dset ymax 1.03 t7 @/ q/ T, \# |2 d* U7 M
/ y' O5 {7 b& }9 E( @
clear-all-plots: D6 D; F& w/ ~& K6 U2 H
) `2 J6 c; b+ A/ X* ^" R
setup-plot1: N1 d# X f( _7 Y# R- `# I0 b
+ m9 i$ p( }# }7 lsetup-plot24 Q7 d5 x* _2 G. X4 N
9 l3 n. Q- E: Msetup-plot3
7 g4 V' Q0 f& z2 }end
0 S9 c2 \% s, ?3 @4 z9 S, r7 m" f" b8 a. `0 k1 y4 C# B
;;run time procedures
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4 Y$ H1 r. b4 m# @to go
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w5 J4 D- V8 \8 Bask turtles [do-business]
, ^0 l0 Y% P( \- R. nend. h8 n B. C- V8 w7 [
# ]. @0 y" R' V b" t/ D( g$ Jto do-business
( D' v+ N3 ^0 _/ B* y4 n) ] h- S* ?- |& Y4 |5 ~2 X
: j- W% S7 |$ m& hrt random 360
: i0 }# s s. S+ N' L3 o* V- Q- p- U
, N5 V8 P2 n. a% g! U) T k2 jfd 15 x4 V1 m- j) Q3 @% W$ C2 b
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ifelse(other turtles-here != nobody)[
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+ F5 S9 v8 L( D9 X3 ^- K+ Y0 dset customer one-of other turtles-here
7 v7 X `( o+ b
( Q" B0 f* V7 k" P& \;; set [customer] of customer myself/ C, a; q& @- ~8 V5 M+ p: N; x& I5 I% [
, @& k' H( k" w4 eset [trade-record-one] of self item (([who] of customer) - 1)
4 g8 S8 Z$ ^( Q7 d: E0 ~2 o[trade-record-all]of self) |0 X7 G( n# w
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
, N+ X$ O8 b5 J1 Y+ s
7 x; Z. p9 P- r! O' qset [trade-record-one] of customer item (([who] of self) - 1)
" ~# X7 v4 b$ [! a/ s# J" Z M3 ][trade-record-all]of customer/ b8 A2 u- S' {0 L# ^. }/ p
4 [ `, w0 a; Tset [trade-record-one-len] of self length [trade-record-one] of self& E' w% u' {: U% P+ j2 ?" C$ B
7 P/ ?' l4 S' L9 F- t1 v
set trade-record-current( list (timer) (random money-upper-limit))0 Q T, e }; Y; [/ v: }$ x; X2 p
3 }5 E1 m% @; [) x+ M
ask self [do-trust]; k2 D. Y% f. e* c, |
;;先求i对j的信任度+ I+ W' U* o7 P) J9 D8 P/ z2 |2 l0 j4 y
9 @- I' I. w# q9 H6 w" r* S r! {7 h% P% Hif ([trust-ok] of self)* {4 J0 z$ e2 Y/ D% F7 N! u
;;根据i对j的信任度来决定是否与j进行交易[
9 q% A, U' P V2 D/ ?ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself3 b- W" | I: L
" x* ?5 N) {* `& o- q$ ~ r* ?
[
7 |0 g0 Q* y/ }; x9 ~4 W$ D# y& x& v8 T% I( n. d0 \
do-trade4 b: H& a5 i+ J+ ?% a8 K, ~7 d( x
+ w& X' _& i2 t+ v$ i% z# G0 d/ `; jupdate-credibility-ijl Z y* n9 {7 }$ Y' f! k
5 r8 J8 T! [$ S( Y" J, s9 |" X/ v
update-credibility-list0 B4 o' U# Q* ]+ j: U9 m
' _ k: W% F" L2 v8 F
) b7 C1 Y1 o6 ?4 [- w' Pupdate-global-reputation-list
+ ~. t- E& f8 ]. R
" [) m/ t% G( a0 Gpoll-class7 i6 P& H* F1 s
! ^, g x3 K0 A' |/ J+ y/ ?get-color
; ^. L) d9 z" O @' X! z# A
, Z5 T. w/ j+ x- d2 W& u]]& _. |1 _3 ~/ [+ M% n+ y
" {! ? n' S# Z8 I+ y;;如果所得的信任度满足条件,则进行交易
: o1 O9 n- X1 Y4 A( I7 d. d. Q
' N7 k3 r: N& z/ f% J* H |[
* V2 P, s! t1 u$ m/ v* F' ?3 B
rt random 3604 y/ L5 T `3 X3 N; S
( d# F" @5 A; a
fd 1
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]
5 m: G8 D4 }* b8 u' s/ q* }# l* b9 C- m" q% x% Q
end
R& N/ W f) h* e
' [$ _0 u/ T* M/ v. V; `to do-trust
) q% f& a: F3 z7 M# Jset trust-ok False; b: y# @3 s, y$ |
X8 x, R6 ^$ o( V/ x- W) t& G
; l5 H# c' v' ]; w( X
let max-trade-times 0
& X' P' i$ u5 E- g+ iforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]& Y4 O8 @0 a9 B9 T. Q [
let max-trade-money 0/ G/ i4 H: a% F* \+ D N; \
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
8 i% D5 F& D- q F* g5 `( y ^) |3 Mlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
% J3 u/ E( X0 r' r% k* I, [/ J' x& B: |; |7 J: j$ O9 J
- v0 c) j% ~; T# f0 ~) {
get-global-proportion
% ? V* w7 ]1 L( w: l: K; klet trust-value4 \: M% T7 Z0 Y6 L- _2 T' b* }
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)
3 n! ?( |9 s* u5 Eif(trust-value > trade-trust-value)
0 C$ `) |# ^4 o. `0 B$ Y[set trust-ok true]* l+ p# `$ a# [ ?- e
end
( k# J: B+ Y: ~) R0 G% J7 Q0 X4 ?1 s* a% G* o; V
to get-global-proportion
/ [7 P4 L }3 P4 C& ?# Wifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)7 u u6 H2 Z6 s
[set global-proportion 0]& v+ z3 u2 F6 a& n
[let i 0
! l4 l2 M. I( R, ]$ elet sum-money 0
/ f( x4 q. Z# |! Jwhile[ i < people]
9 L% A+ e" s3 y- h# f9 e5 [3 T! y[3 R. z" O+ v0 H6 Y" h& ?( k# J
if( length (item i
$ C! m7 R G9 ^[trade-record-all] of customer) > 3 )! h) T% } L0 }( T6 M
[( g: k0 b2 r g7 w8 l# P, m
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
7 ~- n) e& i6 l$ R]
! K) E6 \) p9 ?]
0 |# J/ @: t. a1 qlet j 0' B% S$ J& i, x; r$ j2 A7 G
let note 0# ^6 F$ l8 |/ Z' E! \; i9 W7 w
while[ j < people]
+ i. r* N& B5 m# f {8 d' ?[: q+ Z1 ?0 v) {8 Z: F. B
if( length (item i( X* X1 S* `- Q E+ R* P: @2 L( b
[trade-record-all] of customer) > 3 )- J# f+ N" p: b; O0 E( H! x5 F3 x
[
7 M8 e2 Y, R5 cifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)7 G. Y, B: t+ O
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
- o+ l5 y8 w. a& u' I[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
, F. w1 {' r. y( z2 c9 f9 q* A4 X2 U]! R* t9 a& z8 x
]
2 F7 N; C+ ^% Xset global-proportion note7 H f+ t' w$ a
]% K6 f o! w2 W C! V+ m
end
0 M+ P6 Z! u2 t1 Y+ i
_; y4 Z4 b% r) u9 X$ ~: ]: Yto do-trade4 O% E2 b3 x C! Y! V
;;这个过程实际上是给双方作出评价的过程8 L/ d% ~8 Y: {/ @0 f( O& w! s8 ]
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
" E8 V. F3 L+ [& P' [set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价 Y4 D1 Q$ d' j2 t
set trade-record-current lput(timer) trade-record-current
7 N* P7 i, l( h2 A/ ];;评价时间
( e$ o. G! W2 V/ Y* u+ h6 oask myself [
1 ]; Q8 G' z6 a9 B6 Supdate-local-reputation
' R3 ^) N" U3 R: f6 h# c' {set trade-record-current lput([local-reputation] of myself) trade-record-current
2 z; N. [# k' @, w( F! @: @]
: s$ p7 i3 ^) ?$ A7 L4 t+ {set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
, K" u6 `* n1 w5 K( |" b, N;;将此次交易的记录加入到trade-record-one中
* p4 A* q6 v0 g9 |1 Oset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)$ ], e9 Y! R1 {0 p
let note (item 2 trade-record-current )& k7 h; A2 L/ h2 ]: {
set trade-record-current
. ^& M0 Y* P/ ]6 l$ ^(replace-item 2 trade-record-current (item 3 trade-record-current))
) y2 V) B# |9 x4 Q8 bset trade-record-current- l. a' E. L( V5 v3 e! D q( Y
(replace-item 3 trade-record-current note)8 T& l( _8 j1 L% y7 z
" u) F3 b' A2 {
( V- i0 I3 z7 pask customer [
8 j$ d \5 F. I6 }/ y1 U7 w( V6 kupdate-local-reputation# R! X3 U0 b& }; ^
set trade-record-current/ a9 w# Y4 A8 y k N" H
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
2 G9 |- D4 p) g]* ^: U3 F0 F! N* p# ?
" I/ Y! ^6 ]( F- w6 O* ?8 i1 S! n/ z' Q$ z5 n. R- [- _
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
. \& n! V& h; e/ _. \9 A/ {" W; F G; ^) a& M
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))- x, e* g& g+ A( R
;;将此次交易的记录加入到customer的trade-record-all中
* L4 `+ P3 N; h; ?6 M; B. y2 cend
d6 h8 `8 q, S/ F
: I) R- t: \# a4 G! pto update-local-reputation
# a+ Y( n& K0 k( ~2 c( t( ?set [trade-record-one-len] of myself length [trade-record-one] of myself
/ h: W4 B7 v1 x5 U" v/ b6 n9 K* E. e8 @: q7 W9 |3 J
1 [0 {- z1 `9 r;;if [trade-record-one-len] of myself > 3 5 |& P; U& y! ~) g
update-neighbor-total
# y. B) j& G/ ?* P, y" n& q8 n;;更新邻居节点的数目,在此进行8 ]: n) }" f Q5 h/ Q: C
let i 3/ m, U. d: @' B7 i/ \
let sum-time 01 F# w, t9 b+ k$ {$ c2 W
while[i < [trade-record-one-len] of myself]
s/ }9 l2 J5 }) C5 s# U1 r1 _[* d0 m+ _& o/ C$ y0 k2 K
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ): h3 G$ ~8 P% Z
set i
$ c! r0 M, x( @2 ]3 ^9 b- E( i + 1)' b2 J$ L" w( `4 j1 \
]+ f* s; Y6 i3 j+ m3 q$ D1 V4 V; R
let j 3
# {1 z; v1 c4 q0 s# h: ylet sum-money 0( T$ f' Q; }% K$ z% e' \
while[j < [trade-record-one-len] of myself]5 R4 h$ b( l. ^$ D3 S
[
/ J7 @* ~+ m' e$ F& Iset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)* N( f! [6 }: _: z2 G& i6 _- }8 V5 J
set j
1 |- t! ^, i8 y7 {( j + 1)
. K$ E8 Q; ?9 j7 O' u( A]) }/ O$ R* L4 w# Q1 G. m
let k 3$ U3 r' N+ J( v* }- h! L7 V
let power 0- R8 @: u; @3 O/ H
let local 04 `( N% s3 E8 A: s$ U' T3 h) E
while [k <[trade-record-one-len] of myself]" z- A1 L2 c8 O" f
[" |1 c8 C2 x a0 A' s
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) ' O* H1 V5 y6 T3 I, y
set k (k + 1)
8 X/ j7 [# h0 ]% O0 \5 B]
0 N9 O5 Q) q' |8 k4 mset [local-reputation] of myself (local)
. Z* i x; ?% E5 Kend! @0 n2 _( E8 X' x! ]
( ^) Z2 q* }* o& W% c1 ato update-neighbor-total
# U5 ~6 @7 {8 g+ f
2 p& M9 Z) X# J" k W) xif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
$ {5 ~7 _" K- B4 G0 j, I6 I8 ]0 K: k& Y5 [/ u. s
* c) |6 Q; h7 P9 X! \$ _
end, q% e2 N; ~" _# c) G! u$ ?9 X
6 O+ J+ n4 G* z' R' n+ B0 v$ J+ sto update-credibility-ijl
+ l1 j0 H- a- A. |" W. }2 i J9 E m& F! h& P* N
;;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。
" d0 m2 p. g( }% _7 Ylet l 0
) J$ L3 b0 C* ^5 J# wwhile[ l < people ]
" ?' [+ q5 K0 A/ }1 k;;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- K Y) c. O! z6 j% R
[$ p% L5 B2 f: K8 V1 `* i
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
( b; }( E% I0 k+ {" O" q4 ~if (trade-record-one-j-l-len > 3)
) b5 B: e' A {& C[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+ x4 n3 i9 |; U
let i 3! G% {& f, P6 T! \1 |. T3 V+ e( W
let sum-time 0
) N) L3 T x0 W. B jwhile[i < trade-record-one-len]9 E5 _0 a5 t; x6 Y- Y
[* N3 `( e. e3 H* a: R
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
& O4 L, n8 y! jset i% w/ v' i. W! P+ e
( i + 1)) _1 h3 ~4 r! Q2 M
]
7 P/ i7 _! y! T. `let credibility-i-j-l 0
0 O& w5 O+ g: F" V;;i评价(j对jl的评价)
' n4 w" M3 l( s) D# k# Qlet j 3
. R4 ^4 ?4 X# G/ ^, i1 Blet k 4
- v! w( Z3 ~$ x* u9 }: ?/ Zwhile[j < trade-record-one-len]
4 v7 i7 o( s) ]1 A[7 }& c4 @# B" h3 ?/ v8 _
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 F& ~) J$ ~1 J- B7 vset 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)- O3 D* r7 i) y0 d1 O. k
set j8 m8 V. s! m2 }
( j + 1)
& r, O' \- U/ [/ a]0 _0 D, S5 X; e- E9 Q. j: u' W4 K
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 ))7 V/ R6 U/ z: L! H V6 n" h
K. a) |- g7 F; R, r1 b
) s( o9 Q2 l# ?let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
# Q* E/ r/ t( ^& s( e;;及时更新i对l的评价质量的评价
- I: `5 t" k9 R$ Sset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
2 {+ X4 n i+ Z% F; X8 v$ rset l (l + 1): o' S" w9 q! [1 ?
]5 g+ X( P7 B& B
end
3 z9 c1 P% O, {9 ]$ j5 m
4 S8 o! _9 S9 H) T/ o6 _to update-credibility-list
3 }. r% @$ f( m4 E$ i5 I/ ~let i 0
- _* @$ J- O9 Q& awhile[i < people]
% t% g. D, u2 R: B[# s3 N+ ^' q- L; E; l8 F
let j 0
- H+ r u0 O6 Jlet note 0
( }4 C1 |) v5 {" ylet k 0& {' T# @1 x3 [% m+ R) c9 x8 d5 R+ b
;;计作出过评价的邻居节点的数目
3 z- @% [0 D1 P- D! H, a: \while[j < people]
" J D9 ~/ i8 B! E S[( r ?- M: U) a, r8 Q+ p
if (item j( [credibility] of turtle (i + 1)) != -1)/ T4 O _! z j8 `& T* ], e& g
;;判断是否给本turtle的评价质量做出过评价的节点
" _! `4 m! X4 w[set note (note + item j ([credibility]of turtle (i + 1)))1 t6 [( B s) N: v. V# P0 E
;;*(exp (-(people - 2)))/(people - 2))]
) [: c# V% m$ l' f( cset k (k + 1)( |: D5 W7 E, W) M5 L+ m) [
]5 [6 |! l; }. d5 y O( W
set j (j + 1)9 c2 W- g. i9 T
]$ }% u! G, g0 v+ r/ T9 H$ M8 E* T0 l
set note (note *(exp (- (1 / k)))/ k)
# L D$ |- ] mset credibility-list (replace-item i credibility-list note)4 }! E% E2 p h* w
set i (i + 1), ?7 _: I( J! R3 d
]
) B/ H2 J0 G& |end
# V& ^0 w. z' P5 D9 G8 ? k" v& [0 h2 H F: V; F2 k9 a2 j
to update-global-reputation-list
2 k( |$ B0 V8 y+ @7 k3 s) ~let j 0! x$ o8 P* q; m4 [$ Z
while[j < people]! D3 ^" r4 j% L, \- U/ ?
[
5 X8 U% w7 W3 J2 u1 g, a* Ylet new 0
/ r$ k" J6 G0 x1 G' F3 {+ a6 p) ~;;暂存新的一个全局声誉) ]+ ~9 w; Y: J
let i 0
7 y. o) J% N: @. w8 o0 olet sum-money 0! T, l( ?; c# j3 {
let credibility-money 0
& H2 r) }8 z0 }6 K* K# @while [i < people]
+ C5 @- b+ m, W' `% V[- B6 i. l3 a+ N7 P" R1 m
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
! {- K. p: L A1 e5 C/ J% |) Qset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))1 k. H8 E4 [: r; Q8 w; c$ ?& A+ k
set i (i + 1)* T# `4 l( [" ~/ Q
]. u" r! d% D4 B5 F3 M% ?
let k 0
: T0 U z! S7 {! {7 g& p+ blet new1 0
7 f4 B3 E4 ~5 F4 {while [k < people] ^' Q3 q6 m: h' J" @# Y. n
[/ i5 d9 t+ C6 ]2 ]! z
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)2 @2 m3 r4 l: R8 U/ L! z6 _
set k (k + 1)) ~9 V2 } f. B& ?% s
]
" h. }/ y% j" e! N! v wset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ! I0 f7 u; d7 ?& ~ n, h( S* u+ Z& w
set global-reputation-list (replace-item j global-reputation-list new)$ R- C$ Z( m3 _7 {% _
set j (j + 1), |0 R5 L3 Y& Y& A, [" t# V, U0 @1 ]
]* C; H( e0 E0 @8 B
end
2 r; o, f( N2 g* F6 g6 m- h% T9 [) Y* o
2 h, u- _- ^* g7 v9 ?* P
$ x D1 L1 G+ k- {" Nto get-color
( `- O2 \1 S" S- {+ O
% ~5 w% C$ _) l( fset color blue
A9 F* I! Z( y8 F H, C* qend
, s9 g% G% F( ?/ J$ x4 H: l% s7 R# z( L
to poll-class
& z' i0 O6 M1 ^3 vend
2 j6 `2 p6 J: |
2 X V0 M( H$ X' E# K- Bto setup-plot1
' |. [) F; z3 U
8 Q' D' U( v$ \, n* xset-current-plot "Trends-of-Local-reputation"
" ?2 c# H$ ]1 @$ j
. c1 g$ H: m, b- N6 n3 mset-plot-x-range 0 xmax
" ?' t0 j7 F8 l& O
: Y. B. i& ]- j# m. Eset-plot-y-range 0.0 ymax
; d& I6 v9 [+ x& w uend
! i+ c4 y( N5 z. X4 S% q/ Y# U2 p3 K) J9 y) B, X
to setup-plot2- q, }: r' c( v- @: o
8 u* k# i" m, O6 h
set-current-plot "Trends-of-global-reputation"
5 O; a/ R: X, V# n: w- o) b$ S4 e: T0 g# _2 q/ Z1 ~( R
set-plot-x-range 0 xmax/ ?; i$ G3 H/ c+ @. b
4 ]5 f9 R6 ]5 ], o$ F" Y
set-plot-y-range 0.0 ymax
: O, [: k3 Z' `$ K& Fend' s. @) F; M1 Y# a
: C5 D3 j' D( p; B& ?/ D
to setup-plot3
% p1 _" J1 V7 O. `/ k; `
9 ~9 ]. I9 G. Tset-current-plot "Trends-of-credibility"; N& @' c" l1 _- A
$ c0 r# k0 G6 I$ A5 @) b
set-plot-x-range 0 xmax
0 J! w5 Y/ j% l7 _. i3 ^% s( G! W
set-plot-y-range 0.0 ymax- j0 p: V( S7 U$ x+ H* F
end3 I9 k3 C9 [: O, I$ e+ h( D
1 D! N8 @9 o0 v1 wto do-plots+ J/ e; D: x6 I7 q& m) v2 t
set-current-plot "Trends-of-Local-reputation"& d; y( `+ E7 e
set-current-plot-pen "Honest service"7 Q, U) y0 Y0 t7 \2 q: l! J) w
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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