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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
0 t& y2 d0 ]- ]7 C; w# T9 E% Z' Qglobals[
; Z+ p$ r6 T8 @% Bxmax
/ S9 R; U* u6 z) e# [9 H' n4 b0 hymax4 H7 p' G/ J6 i7 b; ]- z
global-reputation-list
3 J) t8 \' \6 `2 r# J8 y
T$ P T' {. X+ S+ |# I3 @;;每一个turtle的全局声誉都存在此LIST中
. S* o V5 N) z: xcredibility-list
% g( j( x& R% G) K0 {0 d$ n;;每一个turtle的评价可信度
9 K3 L1 e, }" ^/ ~/ m, }; _! Z: Khonest-service- E: ?* Y& ]8 @9 v. s$ Y! U3 \
unhonest-service2 B6 `, @9 }! Y7 u) N1 g
oscillation4 w1 X. C0 m0 J! f. h7 R2 I
rand-dynamic
0 \: r/ t2 o& s( g, H]
2 J+ \+ P1 Y" N6 d3 _9 @. B, S, w3 |7 D3 @! q9 K
turtles-own[
& G+ y$ k t mtrade-record-all7 r% G, e# v4 } v
;;a list of lists,由trade-record-one组成, f- t- R) V, ^, L; I8 `
trade-record-one: s: a) f% s' G2 u3 F0 h5 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9 B% g2 R5 z/ L9 n9 h! C# ]3 b
. _3 K2 G, m. D) f1 G* G/ X, o" V;;[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]]
4 [% u2 g/ O- Ftrade-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]
, ]" v+ G# U( [5 @6 M. q8 pcredibility-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
/ h6 }' G$ `& C M2 @3 Dneighbor-total
9 u1 X6 f7 w7 I/ Y8 H;;记录该turtle的邻居节点的数目. c$ Y5 v' m8 s, L
trade-time3 Q0 n M& h$ ^
;;当前发生交易的turtle的交易时间9 ^* o& a: ^* s' y7 q
appraise-give
5 C4 U' p, m) ` r' }1 j4 g;;当前发生交易时给出的评价6 u4 x- w+ {; u
appraise-receive
3 h& E! N- X4 J* y$ b;;当前发生交易时收到的评价. r* f1 n# b( T
appraise-time
3 Q9 q& n8 x' z) G* @# K7 k4 y7 c;;当前发生交易时的评价时间) I% A. R/ X) z' X- e) \
local-reputation-now;;此次交易后相对于对方turtle的局部声誉, b: F1 e9 B- s- h$ E
trade-times-total/ {$ d9 Q* o; Y8 b9 E c
;;与当前turtle的交易总次数 G( T4 B9 |# p+ m
trade-money-total; g* n( ]; C) M! q- U
;;与当前turtle的交易总金额. _+ a" g% m9 G- R L, [( [2 o
local-reputation
8 i. o8 W* `) \/ @% Aglobal-reputation
6 ]! T* e" Q8 T3 r, ncredibility# y( \5 j( I/ F% b" n
;;评价可信度,每次交易后都需要更新
8 ?: ?2 T, H8 R; R2 Q; N m) Q% B& G' j7 Ecredibility-all
2 N7 S8 r! `& O0 }: |) b) |, I;;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
3 f- j0 r3 e1 \, N/ Z/ g1 R0 Z! v# j B" E' V
;;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* i$ b+ d, x3 A* b/ l5 f4 D% e
credibility-one: K' A6 \4 W0 B
;;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1 T, p. v! l4 G) U$ a
global-proportion
1 P* ~! m4 q+ T; w+ r2 i% o2 X4 ]customer+ s" W# t3 b r7 H2 B4 M
customer-no% U, u+ F* C4 Q( }
trust-ok Y- W& a! {, X, X
trade-record-one-len;;trade-record-one的长度( g9 Y% W z7 @$ _
]
% r8 R! P- f: D) K& x9 g, q: ]" C( [
;;setup procedure& l, g8 Z7 M- k, V+ o J
7 a; t; B' a, F- v. _to setup
! z0 }, ~) H& Z0 ]9 u" T9 A% P: D- p" v% A
ca4 |; I* j: x! n- p
# Q- ? v/ g$ _/ E) o
initialize-settings) A% C7 f9 T$ F
9 a( G' o% w9 o$ t' l5 V* u: hcrt people [setup-turtles]8 f4 u8 s3 P0 { W" R2 N6 R
: F$ _. f- Q( Q, k/ k
reset-timer0 x/ @* {& T* {$ {
. p0 v' {" _% b }$ X6 g3 E
poll-class9 _" s% z: p: U. @) o6 E
5 w! D& z# T7 r& C7 l
setup-plots4 V1 H1 j$ ]4 k
* X7 m, m9 `( X" F. ado-plots
. i- Y; f. @+ b' g3 S ~: G: Xend& k# c& y) F: X w) ~: t
9 u: X* @; F: N
to initialize-settings Q4 K# I7 d: Z7 }& h
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set global-reputation-list []
! X5 a8 y& i& @* \( {1 G
0 m- a5 h- G& d* c0 uset credibility-list n-values people [0.5]
) `3 e6 m) v- H9 j% c. l# e2 Q+ M" z& C" K3 w h
set honest-service 0! h% @0 I) o" c) Q
" a: [4 E6 x/ d' a+ {5 \1 {, y6 L
set unhonest-service 0. ^5 ^: L, _# J' L7 r% a4 u0 J, q
/ E7 z& L& J9 I9 X' _! m/ {set oscillation 0
$ v9 G0 I q. I5 R+ n
! R, j, L% L Nset rand-dynamic 0
0 Q; l& M! l) X" e& T; H$ X3 U; E! aend/ ?; U" ]& @5 ]7 D! k3 J
+ r9 g7 W$ _4 ^- c- Z
to setup-turtles ! s: d) d! S) {' c
set shape "person"6 p4 ?& x$ K* o0 a# G$ N
setxy random-xcor random-ycor
. K6 e! A$ c5 z, W7 |6 ]set trade-record-one []0 E3 u) \4 D1 F0 b* o* `
6 c1 x+ [# r/ l# R( Q# A- p
set trade-record-all n-values people [(list (? + 1) 0 0)]
7 L# w3 i+ v8 n6 Q1 n6 ^ Y. s
4 _8 Q( h/ J3 e* B! Xset trade-record-current []
+ c* D) _# ]) M3 |" `& c. mset credibility-receive []
6 R. A. ^4 L; X( n2 z" ?! x4 [7 Hset local-reputation 0.55 {# L7 G2 k( U9 ] L' ~% F& x
set neighbor-total 00 k1 z `6 _- O: a, u) K9 t4 v4 X
set trade-times-total 0- ~& i1 K6 K! _! m' L) q
set trade-money-total 0
9 A" f9 x% e2 o, D& |. ^! Jset customer nobody
3 u/ d' U% l2 R" L hset credibility-all n-values people [creat-credibility]3 h* _: }# s- I M6 ]6 i
set credibility n-values people [-1]
, ?+ N& L0 d% a& ]5 Fget-color' V( S" _1 d: x+ W4 y' j% K
! X5 M( } ], send
/ L( S1 q! S- ~" s
7 ^, r# f: |. Y4 D/ q$ G9 ^! eto-report creat-credibility# L7 s& r6 b% Q% f8 X+ h9 A
report n-values people [0.5]
( W3 @# \: a* d! @* P% @- ?$ |end1 t8 [+ b" n9 _
# g# l( q! i9 B! }to setup-plots+ `% V4 A' ^9 G) [8 @; f( }) ?, A
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set xmax 304 S/ T4 E4 H [4 p* ?' w
. t# y# s6 E- @; w1 ]set ymax 1.0
* q: p. r: l X0 h8 R& x% k
, x% z3 `) F1 |9 h9 i7 f1 q' Wclear-all-plots( s" a) G3 ?3 i% n( C6 h# ]+ }
$ m+ S( S# Z0 `7 M6 X1 U
setup-plot1- G& l) B, n" _: s. D
/ V% d2 W3 B- m* x2 p( t- ? Csetup-plot21 r! E' V z' e$ ^+ O) k) x
- u1 y) {% _: m; r$ vsetup-plot3
: V+ W4 y6 k# o" ^end
, i8 X8 {$ k3 h/ ]. U' F$ I+ v3 B9 G# Y' j1 G" h
;;run time procedures
2 d$ |+ ~$ s, M) u7 q8 O7 u6 X* _, T: g/ ?
to go
- ?/ N- ~% o- `2 @4 x
9 u9 j9 I3 b. J9 w& a: h- h7 O$ X% eask turtles [do-business]0 Q( O6 I9 z+ i9 {
end0 v( i3 t' z& _; l [; @0 I+ `
0 v2 o2 Q. t( g% {to do-business * b* X8 r# u! J
% X2 Z' I$ H$ X0 o' O/ i% n1 E y) Z/ C+ A, s1 F
rt random 360# t# O1 \" \6 z
8 b1 }! A9 y, K) }6 m
fd 1. [4 }0 [9 m0 C& F9 P2 z
9 P! j8 D- r1 O4 a, N* }4 i
ifelse(other turtles-here != nobody)[
! v7 e1 p c h B- y7 u% Z' c$ ~& q9 Z0 g& o. L9 r
set customer one-of other turtles-here
& i9 j( }2 q5 t
4 _* F6 B! k# V) u0 N9 U, L& h;; set [customer] of customer myself
% }. s# c8 z7 ]4 { }1 `3 }/ o, w. d
( k* o2 {0 S7 S; l2 G- g4 M0 B/ Lset [trade-record-one] of self item (([who] of customer) - 1)# I% i5 J: m8 P0 A7 q
[trade-record-all]of self
# w. a2 t J* f- `8 s;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
) C: j' U* M6 Q$ e5 a5 N$ ?
. F, W( x) C- K; vset [trade-record-one] of customer item (([who] of self) - 1); G+ I$ v: t* N0 ~3 f. O
[trade-record-all]of customer2 r, ` F7 p) J. a3 V
: s4 X. C1 Q/ m. Z* h9 e9 T
set [trade-record-one-len] of self length [trade-record-one] of self
% z& V+ V) L' Q" | T' Q$ K) |% y3 q s* I
set trade-record-current( list (timer) (random money-upper-limit))
' g# e$ L1 L1 j: S% D. o/ ^ q" V1 G5 k
ask self [do-trust]
8 l4 ^! t* R7 U$ r;;先求i对j的信任度
1 [# x8 h6 @! }- C/ h1 O! l3 V* X/ h% H+ p1 m3 d
if ([trust-ok] of self)6 w- H* w' g4 ^! q' t
;;根据i对j的信任度来决定是否与j进行交易[
# w* ]6 ^3 j T$ X6 `2 b9 m! gask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[) C; N) ?* B' P2 ^8 K6 ~; H+ ~
$ I* c1 d- o. r. o B
do-trade
A# `7 s2 l3 y
% S$ [% _% I7 B( y! jupdate-credibility-ijl
1 ?/ i# \' G: ~4 W0 B, }3 ~6 ^ @# G3 B( z
update-credibility-list, }( K- @3 I U+ P
0 Q2 J* d0 J. \# ^! r
1 w B, ]0 p& w: }: V, |( Oupdate-global-reputation-list
0 `) T3 T- S9 ]8 T {8 c; }
/ A& |: T$ k1 W7 zpoll-class5 P/ W* @1 z, O, r1 z+ B
' s( Q$ m: K6 N: V2 G7 \2 ^6 ~get-color/ t. s2 q' l6 U/ M0 T; I# Y
@9 A' d6 `6 E1 I& J# Y]]" d& q( D6 r: N! E4 y r$ K
$ ]3 \# o3 [2 B6 R;;如果所得的信任度满足条件,则进行交易
1 x2 U6 M' a; e( K( @/ T$ T
4 L4 o# K4 ?; p1 O[
$ J. d: [! b3 [( O
P7 V# ~3 l) n1 {9 Y T2 J2 \rt random 360
7 A- Q. G$ |4 { N: |* _; e4 f- o) t1 M2 {
fd 1
& N6 y! P9 h' h+ C: F8 w% [$ U) r. u6 D
]9 U1 ]5 @* L; |
/ A# K& G0 e" _3 n
end: ?- c7 N' |% N7 j( O
( r3 k1 f- ^; ~, h* D" E4 b$ X* h
to do-trust
# l: j' d- H+ u# C0 \set trust-ok False
; \$ ?! }7 J+ X; [! X# |# B( U0 n$ [3 L n7 @+ p! H, h1 M% s
0 E/ _; |1 h% K5 C; u% m
let max-trade-times 0
& @* y& N/ k: _ Bforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
. F( S$ r' Z/ @ z( K) Z9 tlet max-trade-money 0! \& j4 B8 ]& p1 a" e
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]" t% c9 Z( i" T6 k, N k7 P
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
, g9 _( Q0 z" X) k. z2 h+ ~5 w. t4 Y+ |9 y. `; c3 y0 \. C6 W
1 _8 I( O) g$ P( l" L& Y
get-global-proportion) g i( d% Q! T6 h" U& | }
let trust-value
/ R. S$ y7 L* k' z" H& Plocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
4 m/ J0 s0 G* G. Hif(trust-value > trade-trust-value)
, y4 K* e# y4 Q& M, z* }[set trust-ok true]" o1 } f; ~# f0 |( |; w, M
end4 k: A1 b1 K' G/ z* W
) y9 W$ O+ [) M! [to get-global-proportion
8 j, N6 M# p1 d7 v+ [ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)/ [# o9 T6 K- R4 F
[set global-proportion 0]' l. T G. m5 [# p" F$ A; z
[let i 0
, S7 F8 G% V% |; h$ l: C1 v) Wlet sum-money 0 _& ]1 {- N, Z! }9 {2 ]7 I* t0 D
while[ i < people]& O# d* R& e L7 k. J8 Y1 R
[
5 g, r+ i, U' e& @# H) N; Zif( length (item i6 |" y: g1 O+ p% s* N0 O
[trade-record-all] of customer) > 3 )
; W% l! R1 x# v6 \ `$ f# C[& e$ g( ?1 y/ [
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)) M' i1 v. ^9 _" g9 ?
]
Y% o4 a# I: i6 |6 W/ M1 E]
' T- a0 l5 z# ?2 ^; V& jlet j 0
" r% Q2 F* ?9 k; Y. ? Dlet note 00 R4 W% m: q8 b5 p
while[ j < people]# V" x. r3 `; {$ ]$ ^# V
[, ~( R8 {6 _8 Q# r x1 k
if( length (item i
% J8 e$ d2 ~" J1 J+ M0 N[trade-record-all] of customer) > 3 )4 b" Y; c' @ O7 a! `8 W/ Y4 w. j f
[
' n$ ]( X' |/ Pifelse(item ([who]of myself - 1) [credibility] of turtle j != -1). v- E1 C0 J3 [
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
3 g8 X( r5 X, W6 P1 v( l- V[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]% J" K5 {& b8 G
]
4 d+ z Y. y( L# w/ f]
" V7 |1 [9 D0 p3 j+ i' Jset global-proportion note" P* k) K- u y
]$ c2 s+ x Z/ B& w( F1 j$ x4 B
end
) u" I" D R, B) t. u8 g& b
) I) u5 q4 [9 R0 i9 |6 P+ hto do-trade
- I0 R. E% f t. d;;这个过程实际上是给双方作出评价的过程
# S$ T* \8 m' u6 h( y/ bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价( i7 n$ F- Z; {. ]9 }; e
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
/ x2 v0 O% B% w% i: o- C6 Iset trade-record-current lput(timer) trade-record-current* M9 Y( D" Z% R4 f1 U/ C
;;评价时间2 f& V! |" B3 x! Q, H' W$ m K
ask myself [
7 {, q6 J9 P4 A; fupdate-local-reputation- p. n( @, X7 W6 H; i- C
set trade-record-current lput([local-reputation] of myself) trade-record-current: P/ B+ q* K% [ j8 G
], X! W9 L/ n4 v) b/ [
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself9 o. d+ S, M6 `. _
;;将此次交易的记录加入到trade-record-one中
: c4 i- h4 {& J6 h* uset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
; V: z d& }' D4 @0 Q2 `, r. m1 Olet note (item 2 trade-record-current )' Z! d4 I" z1 i
set trade-record-current9 A, ~8 K# k3 l6 n$ [( X
(replace-item 2 trade-record-current (item 3 trade-record-current))
9 f9 E4 U* h$ D) A+ c5 k2 Bset trade-record-current
! g+ n* c& Q" ^! n1 E \' W(replace-item 3 trade-record-current note)
3 O9 c6 b: e( R- |0 s) ?: F9 A. r& r6 P; T$ s2 c+ t
4 g8 G2 R! s# w. W
ask customer [& I8 @8 i6 i+ x
update-local-reputation
/ u! m; N6 h3 a- Aset trade-record-current5 k/ w) i( n; p& w4 L- O
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 5 v; [5 V: G5 n& Y$ O8 z: f
]2 K* K# z* M1 g j) ~
/ {# B- g5 g& S8 n( X, K4 t2 h$ Y' i9 J6 R, Q/ _9 T
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer( D) I/ \- K% k# Q8 {
5 E M8 A+ R, ~! ^% @set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))) {* _# Y, Q8 C& Q' @
;;将此次交易的记录加入到customer的trade-record-all中% `2 L7 D' }5 `( Q
end2 A! \( y6 \ I3 Z( l
. H( ]- A: M/ z
to update-local-reputation+ z' j' |( W/ c9 W" E+ E8 ]' b
set [trade-record-one-len] of myself length [trade-record-one] of myself: Q- u( ?2 c+ Q7 I( ~: x, n
; N+ V3 A$ U* b
( p! R5 B7 C u' h# A# `" A! m;;if [trade-record-one-len] of myself > 3 & O7 p5 z+ U+ l* D, X
update-neighbor-total
( t$ P4 r' J% E3 {8 V" c;;更新邻居节点的数目,在此进行' _8 M) ~; L( ]( k+ ^1 {
let i 3
! @" }8 P, }( C. Ilet sum-time 0
! C" |5 k3 G' p) Y% lwhile[i < [trade-record-one-len] of myself]" M5 v: e: O0 @" H* P$ U' V. t
[
3 i) e$ ^! i% B6 i: j, Kset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )7 }& I. h) ~# f8 }) j D4 l
set i ]/ Z: {7 c5 h" A
( i + 1)9 C8 A* ~( D9 h$ G* F6 \1 o
]
9 m2 p9 o5 k2 e% d( z) Alet j 3& Q. G9 ^! K* h5 w
let sum-money 0
^+ q; F9 K" N5 [. ^. A7 jwhile[j < [trade-record-one-len] of myself]" y0 y/ o8 j6 e
[% r2 k6 n \4 Z
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)
6 ?: f1 e" W8 s9 m- E) gset j8 p3 r( b1 D0 L- x
( j + 1)
) T( e6 y- b) ~/ `. P2 f' j] N. d( J0 C3 X7 X# k2 f
let k 3; a3 Q% v; D/ g8 P/ _5 @
let power 0
& @' Z& A: L O$ a4 e& Y& C4 hlet local 0
`5 I0 l1 g) ~8 t6 Kwhile [k <[trade-record-one-len] of myself]
5 v! `: }+ J C$ U6 L/ x[& P8 o: e9 y* W, e
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) ' M6 u2 ^! m# S0 F- h5 Z
set k (k + 1)
& B8 V8 I- u4 B]' i5 v" e- v! x4 `
set [local-reputation] of myself (local)
, ?" Q& |# C7 |8 [/ y) b: }end
t7 f; ~( [) I6 r5 {1 p5 |& h/ J& Y& k* n4 }
to update-neighbor-total( w6 ? c4 q' G) x" N; G
- W% d- s }9 e8 p5 Oif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
) l# D, E4 N% B6 X* A) A# l! [1 X4 M8 ?2 K& A
N0 m, H' c& d0 nend
( B9 U9 Q9 x) o) e- i* e/ P6 m3 P/ w: g. o) i
to update-credibility-ijl 4 X" S- D* d$ X3 o5 o
3 V+ L7 h0 n) `# ~( y K5 {4 Y
;;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。, f% v: i* Q; G/ `
let l 0
% X: m2 k! X: F7 D! jwhile[ l < people ]
/ t2 u8 @# e' [5 J' ]% N;;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
1 ]4 X4 C+ ?$ ~3 B* P( \4 k0 X. W[
( Q; _& e+ B( {( h- A0 T, s9 s9 j6 g# blet trade-record-one-j-l-len length item l ([trade-record-all] of customer)$ E* ^/ b* G" e0 X& `
if (trade-record-one-j-l-len > 3)
" j, u6 ]. }. H& i[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
# @! k6 r8 L' j" C& p, K! Q. @4 vlet i 3( f4 C9 T4 E" |3 F/ y: ^9 P# k
let sum-time 0' ~! t7 O9 d0 H: `% {
while[i < trade-record-one-len]
: }# g) r- f7 L2 S8 w[. q6 \4 L* o- z# f1 J
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )) u7 S8 ~9 H/ z2 m% Z
set i
! p) b7 R5 \" t( i + 1)3 B' p5 ?' Z. p
]
4 o1 }6 g f- s- }let credibility-i-j-l 0
5 O/ a$ @! b* n9 p# E;;i评价(j对jl的评价), y) A4 e: u" A# {' Q" B, `
let j 3) V* r4 T2 G* F0 h$ y0 E7 ~
let k 4- R5 f) O6 `8 S: x3 A p
while[j < trade-record-one-len]
* M9 P3 |$ s$ G[
% Q; h# H4 N2 d5 v. F; f {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5 m; o. z0 ^2 ]3 u
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)/ A7 ^$ q9 }# @ J' N; X
set j
* F- P; {' R; Q% l; {3 A3 m( j + 1)
0 a" r( G; d# m* O* f+ d* X2 O]
7 I) o7 h! e0 i! l; O+ o+ Oset [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 ))
- r* ?* O; R; ?" w5 m0 \3 R& x- ?1 c) G1 Z. E! _$ u/ x
% Q5 M! U" G9 U. ?% ~let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))6 N8 r! a" g/ h& Q/ M9 T/ G
;;及时更新i对l的评价质量的评价
, s% g* X& S# I. hset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]; z; d; z1 G$ z) V3 o- P
set l (l + 1), r7 D) ^$ \( F7 Q0 j
]$ O# Y# @& s# o
end2 }* d( ~, U. a( ]0 r/ q8 f7 @
8 s1 j) t+ J$ _, X0 u. ?to update-credibility-list' x6 u8 ]' d9 h* T
let i 0
. p3 h; N( ^# kwhile[i < people]
5 r# w% y+ J7 S* [- y[0 `4 w/ Q7 J, q" [& d0 ^* p
let j 04 _# i' Y8 F A5 W. y' |4 A
let note 0
4 b8 P5 l& v" l2 Elet k 0+ G, e* K# \6 m" b4 c# O
;;计作出过评价的邻居节点的数目
5 F0 F, Q" c3 K4 \: twhile[j < people] O' s: u2 y* I. ?5 P2 ~
[. ]- d8 Y5 _ ?- ^2 u
if (item j( [credibility] of turtle (i + 1)) != -1)
; F/ m- _) D8 g% @0 ];;判断是否给本turtle的评价质量做出过评价的节点
- f% _. ?# T6 q1 `9 S[set note (note + item j ([credibility]of turtle (i + 1)))
2 f& ~1 x. f) H& I4 J9 D: E6 C;;*(exp (-(people - 2)))/(people - 2))]# Y* v4 I9 Y3 b; ^' ]! V% }
set k (k + 1)5 f9 D, P( y) K. I$ A, z
]4 q& A2 @1 |- y- w
set j (j + 1); Q. k8 C8 ?% A
], s# I; Z# E& ]( V% ]$ Q) W, b
set note (note *(exp (- (1 / k)))/ k)2 R o4 U5 j8 g; L# h* D
set credibility-list (replace-item i credibility-list note)
# p9 `6 E1 P/ s; w; O% W% V1 V- N3 Aset i (i + 1)
) x& o# i- U: E0 O# Y4 Q9 |0 K: p]" h6 I! n6 p; c5 [% Q& K$ p- r
end! M" x2 p$ D8 k, d! w
6 i. C O5 Z3 F) s9 v; D( M5 bto update-global-reputation-list
% H; I# h; {, d7 N9 Flet j 05 x# N7 p, y' A, S& M
while[j < people]5 o4 N- U" W* j1 ?
[. L: P7 j9 ~0 p
let new 0 S* ^/ J( m* X; T* i2 {
;;暂存新的一个全局声誉5 C8 s! V4 t9 Y+ }! C V0 `
let i 0
: K7 I+ k4 z- E$ N% k) z& ?$ A+ Dlet sum-money 00 C4 G1 n! q, n% D, A+ R! Z
let credibility-money 0
2 T s& ]* [# Z; d) b! Xwhile [i < people]
2 }) u5 A$ O P/ m8 J2 U1 q[$ m) d8 v* a+ c1 x# Z7 z3 K) Y% ?' r% g
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))) | B* J2 |; D( {8 z. |. V
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
- h4 q% a6 m" @. [+ tset i (i + 1) r. b4 O% R' \, d% W" |3 a. q
]
4 D2 R4 r$ b1 Z* K; w- dlet k 0
, `6 G" e% V) {+ @ hlet new1 09 t# m3 {5 R3 B
while [k < people]) p" K, P/ i7 P$ M5 k8 V7 T3 |
[
$ g$ O ^ u* K. R0 {2 y8 Bset 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)
& I i# Q8 t. ]set k (k + 1)
q. ?6 ]2 g7 s$ f; d]
* m- _5 i* k$ \, D! W& o$ t* Qset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
( K- }* L$ m1 m: Lset global-reputation-list (replace-item j global-reputation-list new)/ t6 H" g+ Q) h* U$ m
set j (j + 1): D' D" {7 k% O8 R" g
]
" g& E! L: G4 v$ P* W9 }end# {# o- D, o6 t4 ~) x6 Z R2 V* ~7 S
- C9 L* N8 a) i0 R# m0 Z' w2 U% Q/ S- ~; |% y' E$ a0 u
3 I: S$ X7 s$ R
to get-color
$ ^$ ]# v" g( _3 F) X4 i
3 y7 [ b Y/ ]set color blue# ?( _; n- o# D `; v
end
: f! t5 t7 b7 K- k5 p6 ]+ h
' b1 r$ f1 ^5 e! Lto poll-class
9 t" @% k: k# }& B5 Pend
' N$ q3 {8 a2 h
3 A, e+ n0 @, wto setup-plot1- i2 @1 _0 P ~2 b$ s0 k# |
+ U8 Y3 g/ D2 a7 _! ]& R. ^
set-current-plot "Trends-of-Local-reputation"
4 Q6 B' ^5 ?# J( x" `3 k n
4 J# @1 F; m* M _" s/ ?: [$ {set-plot-x-range 0 xmax
0 W6 P' W. ~& x9 ]. e6 J. j1 I5 r2 @, V7 b. T% F8 ?/ B8 v3 Z. _
set-plot-y-range 0.0 ymax
8 o( ?7 H+ M' b: wend' D2 R( E; M' r6 `" z
2 ~, y3 w7 @ T" s1 Q2 S* o
to setup-plot2
; t7 L7 J% a- H5 R2 u6 B+ L2 D9 f# G Q. r* D+ U7 y- w
set-current-plot "Trends-of-global-reputation"
5 e& g9 a* _7 C
$ c' }; a& {* @6 V+ P6 G9 `set-plot-x-range 0 xmax9 I% P6 H$ ?0 D) b
: n* Z9 J/ m% n% Y+ n
set-plot-y-range 0.0 ymax
: R+ F9 J. L! K1 [$ V6 Yend! e: n1 e" T; M/ I0 u( s
1 P y. V8 y, _; d
to setup-plot31 n' z. E w& u7 d
7 }3 M; D) V3 `6 S; O* cset-current-plot "Trends-of-credibility"' K. K x& O5 l% ?
3 s; V7 q5 ^) M: D
set-plot-x-range 0 xmax1 u$ x9 H; e: `$ G' Q: N
8 _; Z: x/ ^ T6 F; J; s# a# Fset-plot-y-range 0.0 ymax
+ L. W. @: D! Aend
+ F5 h! m6 e" O2 {+ y; x {+ r" G' [+ r* Z0 Q8 Z: i5 A; e$ d
to do-plots
( }8 B- ]3 R7 D& |- c' }set-current-plot "Trends-of-Local-reputation", R2 D* |% L9 _, ?
set-current-plot-pen "Honest service"
b( E* v: m! B4 X N9 |end4 `& K9 Y8 ?' d& ?3 h" {
8 m2 ^/ B) C( O8 T[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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