|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
: I7 C% z# @ V$ v2 Y, sglobals[6 k$ K, p( ?+ |7 k
xmax+ `6 N, W6 R4 g
ymax
2 p7 W! V' ]) q7 Y8 A+ c7 L* n1 fglobal-reputation-list$ A0 A# m; Z9 S/ i0 B" U$ {
$ J2 c# `3 ~/ t& D;;每一个turtle的全局声誉都存在此LIST中
) O+ t% ~; D ?( i' gcredibility-list
|# i( b2 D7 x;;每一个turtle的评价可信度
, H5 R! [; R$ f: Y6 a; r4 Vhonest-service# F' x+ W4 Q7 v5 [% c+ _
unhonest-service
/ z7 q9 j4 G3 H, X5 h- a- }& [oscillation
5 w$ \/ D+ F- `# T6 D$ o. U! P( yrand-dynamic
. t4 H" g1 m1 e9 e]
% f7 \. L7 n; O g' H
$ j6 Z7 D* J/ A+ J) zturtles-own[* h2 ^% i- I% V0 e* R
trade-record-all1 F+ R3 {/ F6 ]! |# ^& k
;;a list of lists,由trade-record-one组成
* ~9 p. }4 ]6 z( a Z% Y. htrade-record-one
7 ~5 V* [* q6 G9 Q9 x! j. 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+ F( h* b3 G3 m! y) }
1 F! U3 u1 }) B) [# i& E;;[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]]( ~, w4 T/ \. T7 n7 ~9 G# V, r: Q
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]! }9 k/ g/ i8 l; L. {/ T9 e- I3 ^
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
6 R7 `' `& u' [neighbor-total6 [6 t! [7 F1 \: x: S) T
;;记录该turtle的邻居节点的数目0 t/ @; @* A* L
trade-time. x4 V" z6 A8 ?: `3 q' K* G
;;当前发生交易的turtle的交易时间
$ O s8 j: u7 Y5 ^5 A& vappraise-give% ~2 @9 U$ L! ~, n0 Z
;;当前发生交易时给出的评价
, C! w( A9 n8 m0 @/ c6 aappraise-receive
2 }# t$ u) H1 @* x( c' Z9 X; ];;当前发生交易时收到的评价
8 n) ~8 b& Y) b, b% |/ sappraise-time
% |" X. p7 g- h0 {. d0 I% m;;当前发生交易时的评价时间% B& `$ x9 Y2 A# j/ ?- F$ m5 x+ E
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
" ~4 |# M/ l1 f, v. ntrade-times-total( j; W0 H# z0 P2 }) N$ R
;;与当前turtle的交易总次数
5 _! n% @& p+ f# B1 h5 ^trade-money-total% Q1 Y. u1 j9 e: Z
;;与当前turtle的交易总金额& ~( B2 \" P- W! _" }7 X
local-reputation
# P1 C+ u/ e/ `& W4 Gglobal-reputation" D) ^, W% [$ O' V
credibility( G, |. Q% {) @
;;评价可信度,每次交易后都需要更新( O5 P u T( ?2 ~ S q
credibility-all7 _$ N6 d- d7 ], W
;;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0 @) v9 w, K7 w7 w3 T' ^" e
- _3 A1 o; D 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
, w4 t2 W) B2 p3 |( R+ z, Scredibility-one9 o6 v* E# ~0 S6 C% s4 s
;;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
9 [. Y; U( U s( Aglobal-proportion
5 I3 c! @5 n" m0 rcustomer
8 j- x7 I+ k7 N0 ^6 }2 L" zcustomer-no
/ h! x" f* p2 P4 H1 |# E8 x/ Gtrust-ok
0 B2 G$ Z- j- Z8 T0 Atrade-record-one-len;;trade-record-one的长度
+ d4 Y: D$ j: B3 x2 E6 A0 }. N]
& d- U: @0 K6 W6 Z- J6 G1 {% H t: @) T! ~5 K
;;setup procedure
" _$ D+ [9 H/ X' S; d
9 e J; u$ W- y5 E1 f/ E# Vto setup* u( v& t7 D6 Q7 S, d( G
6 O2 U W) D5 C
ca
. | l6 Q% F8 j8 q. \ r/ `) ?
1 Q9 K6 i5 a7 Q+ Z @/ C1 \$ uinitialize-settings
( G- J$ d( F L6 s6 B' }) M) n( I2 `* o$ @
crt people [setup-turtles]
( \" O% a$ _2 ` m/ _+ U) Q$ ~5 _- s6 O
reset-timer
) h+ D8 ~. M0 x. ~& \2 H
y9 Z, P2 Z `! E) j wpoll-class/ j; P- d; k. Q( L/ y
% ~# P& s: R5 Y2 ~ E& o0 Vsetup-plots8 S9 u9 [- `8 G: \( U
0 O/ M1 _' \+ J' d3 Z2 w$ [) y
do-plots
4 q3 @8 z3 b4 R4 [2 Bend. Q+ _. ~/ Y1 } E1 d+ _& P! N3 O
3 }6 p; b3 B* Pto initialize-settings" y* r4 H: ~- I0 t) Y5 r# S
5 F' ?& N9 o! X3 F
set global-reputation-list []
4 t# a/ s5 \! O. c3 l
5 Y1 b" `' h' ^/ J j6 l2 B. p& Q& G. ^set credibility-list n-values people [0.5]' Z# v& E4 T* m8 g/ ?
. H0 D3 _6 b$ s- D1 ]1 s
set honest-service 0& C( P7 y+ n9 |1 j9 Y* B5 f% d
4 t) H2 ~8 N2 Q+ W N3 {- jset unhonest-service 0
. [0 k' \3 \4 v0 w& ]2 v1 x5 W) e" N2 F$ B# ^8 G. q$ R* L* g
set oscillation 0# U4 {) J5 `+ N; N
}2 `' o$ x1 _1 `set rand-dynamic 0
9 X! E; Y: a& _% F; jend k" i _4 J0 {5 @, x! w
2 `1 \2 q+ ]7 X8 b$ t( }5 }4 p% ^/ t
to setup-turtles : |; y' x4 f6 z2 n; O. X G0 h
set shape "person"
' o1 Q9 j4 I. d8 H; I3 }setxy random-xcor random-ycor
( j I) `& J! C5 v8 x- Fset trade-record-one []" F: Q( R/ Q6 F8 A: n' B
. B9 R) N' W n0 `7 k" A7 d" R$ y
set trade-record-all n-values people [(list (? + 1) 0 0)] 8 S9 K/ ^+ L& V; J
8 E6 u8 I2 ? v& N) f
set trade-record-current []& r6 c, j" M5 i' \ p
set credibility-receive []# R# d$ ^4 A4 }: d1 L! p: Z5 W
set local-reputation 0.5
5 s5 n8 K1 ~. ^' N' B& v9 fset neighbor-total 0
" k; e( h* y* k( Vset trade-times-total 03 }: a5 l* S5 `
set trade-money-total 07 t2 g$ q% Q3 K$ P
set customer nobody
6 y2 I5 O# g Z" T4 k5 y2 V E6 X! Hset credibility-all n-values people [creat-credibility]
) ^ y$ ~6 n# R- ?2 O! N4 l6 F+ Rset credibility n-values people [-1]$ c5 W3 M* W0 s' Z
get-color
6 }( \8 O' ]# c6 k9 m( B: V1 n# F% W; S* F9 s
end% U5 @! n9 R. j& i; |) R p
9 ~; T* m: ]- z& ^/ _9 X
to-report creat-credibility, j$ u# Y- n; K, h# s! T
report n-values people [0.5]
% Z3 B# Q: q* C* `$ `" a7 W6 kend' n4 \: i+ ]6 X% F( R% ~0 Q' h2 c
8 u4 h* J7 \& B! s% c( k$ Lto setup-plots, D" ~% G0 \. i% @: @6 c& l0 K0 n
9 ~3 y1 C* j# Z4 l
set xmax 301 z) j6 C1 E p7 M' w( |
. T. B6 U) R0 f
set ymax 1.0
' e$ m: x/ Y; H0 N( M, u& D5 Q
9 D2 I& s' ?- w5 [clear-all-plots' P* x5 r: s1 t$ H; U. l' U) h9 g
% I$ K) e. }: [5 H
setup-plot18 ~3 X6 H9 s$ U+ S4 p, R
0 r+ q _* P# z2 V$ a, s- L; q9 P3 dsetup-plot2
9 O* X% d. S5 s* V) X6 w2 l* Q
; h g* z$ S' R( Gsetup-plot3
1 {( [1 R+ s% u3 ~. Vend# j6 G- q0 U; G$ _1 `
; S' X( I$ y+ V n" H
;;run time procedures
+ o2 N Q/ _' l- Q+ G& O" g7 h* G, C% ?
to go
4 o! \- X! c; N1 U
4 w/ g7 u7 q( v- Y$ _8 Gask turtles [do-business]
$ _# H" a6 _( i' Dend' _4 u8 I* s( |7 O |" V0 P8 O
6 {" T3 Y$ w$ O/ ~$ f- Hto do-business % b3 n% B0 L; e5 Y V! P$ d/ B
$ ?/ c2 k+ h7 G" V/ K. Q% Q
6 j2 T% B$ p" z4 o7 Q" f: W4 J- A* ^9 D/ [0 Trt random 360, i& ?& M$ ^$ L: P; |
+ O7 q7 J8 A' Q. b! o2 R+ _. e4 Ffd 1( O+ ?( I! B* X4 X" k4 { p) ~
. c4 S6 p! d" j6 j+ Iifelse(other turtles-here != nobody)[5 g$ y9 g+ C; p, }
( L g4 O4 n$ z: a% [
set customer one-of other turtles-here* J& f+ H. B* g8 \0 Z6 X7 J! V
8 q- @7 b1 C* q- R! |
;; set [customer] of customer myself
' }, O2 F X3 B0 o' K
& `/ k( N0 m+ p% E+ }/ J0 Qset [trade-record-one] of self item (([who] of customer) - 1)
I: D9 ?7 Y2 V# T[trade-record-all]of self
, k5 v- w; q' a+ z;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
# f. ]( F0 d7 s$ W, P5 T7 q+ n8 j$ }1 D! i& f
set [trade-record-one] of customer item (([who] of self) - 1)
% d$ t$ U# {: x0 }$ g- J/ G[trade-record-all]of customer
( W- c$ x) ]' @# B) i# s( K3 q1 w
; i: D# `: }. V; B2 eset [trade-record-one-len] of self length [trade-record-one] of self
' [7 d" g5 L% n+ x/ t/ c d! _9 _
" X t& J( ~' [ O. D- K- kset trade-record-current( list (timer) (random money-upper-limit))! w: R7 |" x9 g
+ M( N! a* [# P- Z( ~7 bask self [do-trust]2 F& I: ]( C0 t1 T) |0 |
;;先求i对j的信任度8 |. u' C; C \1 {
) H- [, h: V: k# R4 bif ([trust-ok] of self)
! k: ]( \$ Q0 B+ T;;根据i对j的信任度来决定是否与j进行交易[ Y( o! @5 ~# a }: G7 t( I
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself4 ?* S0 r2 \- }1 M5 C2 e. F! k l; ?
: `: ^& }( T' c1 b
[. O" |5 N- s+ D i! E4 z0 D
9 G4 H- P8 ^$ j" i* b; B4 t, Q4 Cdo-trade8 O, S% N. }! W a. `1 d8 l
, J- _0 y2 H, u) `5 n4 Kupdate-credibility-ijl
& j3 H* b: w. L3 U
' G4 |# h4 n0 p3 H; B6 {7 aupdate-credibility-list1 w$ T: M; W" @: {) d
' `8 b+ i% C6 ^7 X, }" {) J3 `0 b4 S; }, v; A
update-global-reputation-list, f0 t$ q( d6 H- E# ?# \* l
, K$ U- L5 q9 spoll-class: n Q4 D8 w+ m5 s9 u" }
/ _) D8 d! S" b$ j, W0 l J/ X1 G' pget-color
3 d0 }3 B9 }, E6 ~* h* U1 k
1 \7 E, x; S7 N, \" t' j& W8 E% f]]' p" A$ a! {; B
/ K$ x/ {; d5 Y1 U0 ?3 `
;;如果所得的信任度满足条件,则进行交易 N' t" ^1 u2 \- V; T
( ?. P! i, \! u6 f p' y
[3 A- U3 H1 r8 e+ p( q2 b9 l
# V, ^' q+ }) m+ S' C6 E! Lrt random 360
2 n8 _' Y' q }6 x r4 g0 x2 E! M1 s7 G
fd 1
" _3 ]) `8 ^5 Y" [7 F5 D9 T: D4 X3 n) i: N( H: @
]5 y* z7 T% _2 ~. J# R/ I6 z
5 ~+ a& b z% Y6 E+ D8 U3 g1 T6 z
end! w' G* G2 O0 g3 s
; |9 p2 Q2 O8 \ ?# h! Y! q9 L& D" Mto do-trust
* M7 X: ]4 z( p; Iset trust-ok False* Q) g5 z4 e; R. X! n5 e8 L, I1 U4 k/ s
7 ^5 E1 }5 k4 C2 X/ _: D9 r+ s
" @$ b: X0 a. Y8 G! qlet max-trade-times 0
2 n/ l5 {+ p& T# w: |foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]1 n% O' `" z& a& h, y* S" n4 N! c, v
let max-trade-money 0
" Z3 e" m$ @3 o; W! @foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
" n; ?1 \+ ?+ s' H7 D4 Qlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))2 k. c) M0 W7 N5 W/ |7 q
& \( ^- Y' p B }/ H* h9 ?2 o+ o: ~0 a+ G/ Y$ p% w
get-global-proportion! @1 e3 X1 B( r s
let trust-value
& Q( W6 u- M. V( dlocal-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 { K: I* a1 K4 @ k
if(trust-value > trade-trust-value)4 q b7 q& E& T% `# y
[set trust-ok true]1 j* [ {5 `- [5 U1 O" b
end
5 J2 O0 R1 F, m- K, @) }1 z1 Z" C0 G$ \" O; o
to get-global-proportion
. o( p- G6 |' P# J" difelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
! S6 ]4 x& F- b- f( [, U% } E[set global-proportion 0]
. o4 ]# ~ |8 n[let i 0& i+ i3 l3 L8 N- z. V& v/ A
let sum-money 0
( ?, L5 l# d' I5 O1 j7 ?+ d0 Twhile[ i < people]* m2 b+ k/ Y# X4 n
[
5 Q' C0 {& W* `$ kif( length (item i5 ]% V. ^1 u P% W1 z& {
[trade-record-all] of customer) > 3 )1 L8 O4 p/ R( ^% X2 _
[% d( u: G6 \$ b0 A
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
3 Z( p+ r) M: z]$ }4 c- S( m3 q k5 B# p. L$ }
]$ K1 P1 g6 [3 n+ e1 `5 P* t5 L6 t& W
let j 0
0 X) q G R- }2 T. I% S) jlet note 0
1 Q$ L1 N; e% ^: w1 Owhile[ j < people]& N$ S0 R5 g& w7 c$ |2 ?/ C; O6 ^) V4 p
[
+ m% W2 f% Z' B/ nif( length (item i! ^2 E) R& `# r Z- N' {
[trade-record-all] of customer) > 3 )
3 ]" u7 N2 e4 \; c[
, G9 H C3 q6 d6 _5 l( W( difelse(item ([who]of myself - 1) [credibility] of turtle j != -1)5 A4 R4 }& _0 k$ K# V/ D2 l! g9 d
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]8 m, I9 T- W; V2 v$ S3 o* L$ K
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]' m7 P% b1 s8 `1 i: F
]
. c+ N$ m# N4 k, t7 R7 R]
8 M. D) D# j$ Z- S V/ g+ eset global-proportion note; x$ T, U& E$ x4 H* ]3 j, z# X- p9 z- m
]
- a" R+ t* l3 \" V, @5 Gend6 b& Z1 y- @0 S$ G1 Y7 T" v8 t
; N: O" f; f' ]% c) N \4 u
to do-trade- C" `- L8 n# K) P5 A
;;这个过程实际上是给双方作出评价的过程( [6 f# E3 O; _* ?( o' Z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价" M7 y* d4 j6 @7 G& ~) T' n
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价/ ~% |# |& |: ~" n9 K% L: x
set trade-record-current lput(timer) trade-record-current
7 i% X9 r V7 f$ x5 };;评价时间
{' ]& K$ F! T+ I% X7 c# H/ Kask myself [6 R" C: |8 k7 Y
update-local-reputation1 y: p1 f( e+ T: A0 o6 Q7 A
set trade-record-current lput([local-reputation] of myself) trade-record-current
* ~* `5 W& J$ |/ j$ f, L]
# k& b# t) G: e% G) j! o k; bset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
3 [7 y0 U; p2 P; r;;将此次交易的记录加入到trade-record-one中
( X1 p! d( U5 m8 M5 {" xset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)" p4 Q: W; x" a- M8 n& s
let note (item 2 trade-record-current )* C" ^7 l& ]/ Y& M/ L2 A x
set trade-record-current
9 J( n! m6 s0 m$ s(replace-item 2 trade-record-current (item 3 trade-record-current))
4 r9 W$ H7 e$ i/ ]set trade-record-current' M: t7 R: R! l8 j6 S
(replace-item 3 trade-record-current note)9 v4 Q: V8 z9 _) ]4 Z; Y, q
1 E$ s" \& T2 d! L2 z i. Z. u, ~' V! `" f9 X. e: K
ask customer [' u A" `: N7 W! V9 ?
update-local-reputation# C0 n _5 x3 `* g# G J y
set trade-record-current
1 d% v. H C/ }( {! q) |2 R(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) + F8 b! N! _+ G+ u
] D( i s; l" V0 J
2 E5 A' G# F: G% }
0 `( q8 P$ m5 {1 W# vset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer1 y# d* F# i5 d+ [
4 a- D4 _ O% E8 y* \# i+ y
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))) G5 w4 Z) P$ f+ g v
;;将此次交易的记录加入到customer的trade-record-all中
6 w* l7 g0 F2 \) eend
9 W7 P2 w6 S; p+ M% d' P( M* a6 v
3 P% b i. C! w; p- x2 W$ kto update-local-reputation
- e$ o' {- V& S4 o6 T, X. D# vset [trade-record-one-len] of myself length [trade-record-one] of myself% O; V( f( a2 e' W) L+ P( O/ f
3 d5 R5 {8 [3 F2 I
# `$ q% `9 u$ r4 v;;if [trade-record-one-len] of myself > 3
# r$ ^/ p$ m, y h/ b qupdate-neighbor-total& j, P s: `) }/ _/ ` e
;;更新邻居节点的数目,在此进行5 V3 r& r4 [ ~9 a
let i 3
t7 H7 D8 D; c; ?2 Qlet sum-time 0. Y7 C1 t7 k5 Y) R; `
while[i < [trade-record-one-len] of myself]
7 L/ R4 ?, W% u9 g[
1 J W) s4 j1 z9 \* C$ gset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )3 d: p/ Y& R' D" j; s" D: u+ \
set i
, w+ T% e' _4 B6 |" P. v1 r( i + 1)! r. W) O; j& ^6 ^
]
& q, z1 q. X: Q5 P* J/ Ylet j 3
* w8 O4 m$ q* J: llet sum-money 01 T4 P: P/ T% N# L$ v7 R2 p
while[j < [trade-record-one-len] of myself]
4 I" P. d- @# ?' t0 U9 c3 q( G[
( R0 Q& p: C- x; f) }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)$ a/ x: }3 C5 } g6 i
set j( l1 q" r- H( n6 d$ f. J
( j + 1)1 d" H1 S" [6 s9 C& @4 m* [' v
]4 q' y0 G) I7 I3 g! L+ a3 ?
let k 3
2 Z+ r4 F1 k$ l( B9 G3 h( Ilet power 0% j6 y5 O/ F+ [
let local 04 G- P! h% P; q+ L. H
while [k <[trade-record-one-len] of myself]! ~. {; Z3 b# |
[
: z1 w2 l$ m4 W+ Vset 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) . o2 `, ~. e6 ?3 _9 c
set k (k + 1)
4 v7 p' G2 j* u3 J8 v- F3 D]
3 C% M5 R! D* ^: x! V3 N) ]# `set [local-reputation] of myself (local)5 F/ V0 a3 G. H3 |0 Q, u$ s
end1 V3 q& ^1 n# V( ~& ?
8 c# I% x3 u! `5 l$ r, ?to update-neighbor-total
. ?. p8 U Q7 [4 s8 }9 L% b
6 d( T" S* `0 k: o3 qif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
- }* g# b1 p, y. \9 }3 c+ _! K9 u2 m. d3 R. D
4 v. Y, x! I/ A& X' t2 \end; g' l! A4 @4 | V! y, T: T
# O$ D" D/ d" p5 m
to update-credibility-ijl
0 i4 ~9 F6 G( ]. P% @) w$ l& `( h9 D8 f4 r; L) z1 ^
;;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。* s3 }1 A& u+ }2 t$ I; b# a9 \
let l 0
- `7 H: W/ Z8 s, G" L4 e2 f# rwhile[ l < people ]2 t, G) K2 b& U
;;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 [' @$ h1 [( P# X: }/ D[
# S* \4 K9 D( g2 ^: olet trade-record-one-j-l-len length item l ([trade-record-all] of customer)" i8 p; q2 o+ p' \1 Y
if (trade-record-one-j-l-len > 3)
. P4 f& s- S8 k/ n0 h[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-one8 s) l' V% d0 l* M
let i 3
4 q, Y" e1 S7 o1 D# O ?let sum-time 00 ^$ l7 Q( {+ z2 a, O6 _2 e
while[i < trade-record-one-len]: N2 v6 t2 @9 V' Y7 j8 h
[
4 z: m: o7 V+ m& _8 Jset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
$ g( |0 S" i* w& a* |set i
+ @0 m# y- b( |9 o( i + 1)7 i; b& E/ E% ~" Z1 Q x) x1 E
]2 z% o. a" C4 t
let credibility-i-j-l 0% P$ @2 V d0 Y3 a7 N4 k7 n
;;i评价(j对jl的评价)
6 }: s1 z0 D: ]- |" ?' Hlet j 3
2 g' B: n& g! S+ e+ K0 k8 H% {* }let k 4- O' d# }; C, K5 p h2 R0 |( I
while[j < trade-record-one-len]' d6 O2 O4 R5 x1 p% M
[3 ~. q% |5 @$ ]* 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8 T% I. M) K) ~
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)' ?# O i, _6 l6 Q b4 O m
set j
2 N: m$ Z N! k8 u( j + 1)
! H* r8 g3 ~ ]5 q6 e9 t]: P4 G* [/ c9 P' a
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 ))
6 W+ z& Z0 I) w% y0 k
) S/ ~& I$ V8 F5 E1 X, x( m2 o' e
$ [- S( r5 j; t0 m2 Glet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
! K, v3 {9 T3 ]# _' a `;;及时更新i对l的评价质量的评价
* D3 D$ Z6 k2 h9 cset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
1 U( E$ |4 s- ^5 U' j! N" C4 \set l (l + 1)
, u' ]* E3 P: p3 a]1 `6 @+ j: f% |' W0 n, x8 t5 l- t
end6 {$ X( \. k- X' N
X# \# p* B. U* N) _, n. j! v, hto update-credibility-list8 Y6 i4 ^* h) b. Z6 z
let i 0- r+ r0 V6 B" }" \$ h' O
while[i < people]
% a3 \9 X+ [" ]- E[/ j( z D" S+ q4 A2 J
let j 0
2 [9 b! h2 x3 [; C6 _: X% glet note 0# ^, h+ A$ M: Y9 d8 F& r
let k 0& N1 f4 a4 d. D( T% v) g: l
;;计作出过评价的邻居节点的数目
0 f9 P5 N$ d8 h. Zwhile[j < people]3 o. T3 k7 ], `6 X. r% z
[
3 \6 H! O% W! K6 \if (item j( [credibility] of turtle (i + 1)) != -1)) c1 h B Y- g6 r% Y9 Y
;;判断是否给本turtle的评价质量做出过评价的节点% B9 L8 s" J `/ r
[set note (note + item j ([credibility]of turtle (i + 1)))3 V6 d- x e# S5 Y
;;*(exp (-(people - 2)))/(people - 2))]1 t& @; ]) Y5 H
set k (k + 1)! r6 t$ P l- U3 `! g/ `
]* p, ]; f9 a7 m; a; K0 Y' d
set j (j + 1)) W* F5 ]# ]& h2 N6 ?4 X2 }
]
) W& Y& [$ O" A3 `' G9 j+ ~set note (note *(exp (- (1 / k)))/ k)
' J4 i3 m' F2 A8 ?. gset credibility-list (replace-item i credibility-list note)2 C2 W/ c: ^$ u3 n
set i (i + 1)
4 }( X& l8 c- {4 v! V]
& e+ J% _9 A: v7 Q9 o( W; Eend1 i) n9 v( o1 Y) D' H6 a3 Q9 @
# j4 e3 K; c. D0 e' C w3 ito update-global-reputation-list5 U( I3 [7 T v" X( o/ v* N5 m
let j 0
1 T8 y7 ]: f" |7 Kwhile[j < people]
3 }, _/ { @4 h, N[" G; g' w/ I. L5 k0 Y
let new 0! ]! j; T3 _7 ?) x& ?# }
;;暂存新的一个全局声誉) {+ V# M0 i8 W& [% H/ ?9 a; u
let i 0
) l( I: Q+ u; ]; f( `, M2 Clet sum-money 09 ^5 j) Q5 w+ h: ^0 L3 G- A
let credibility-money 0
% c% e( V2 e6 x! Y% ]while [i < people]
6 H7 n% Y( R3 v" ^[: g B: L- \% ?* w- r0 q/ r) R
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))( n$ e2 v+ H' [( G r+ ]6 N
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
! {' ?! I0 e4 A2 M- ?1 [set i (i + 1)
7 ]0 W8 B( w5 a]
8 ` T8 \5 @! C2 ylet k 0
& T1 W* j0 S% _. D2 W( _* N% u6 Wlet new1 0& p7 m( ] ?/ o; }
while [k < people]
2 Z( h# @& O6 P& s" q; _% M7 L[
6 K3 Y- J3 O- p- J, Eset 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)
r O; Y; `. ~: ]9 _" Y! v' fset k (k + 1)
, V8 X& y9 ^' k2 k# D4 F; a]
1 d4 ^% ?& z7 ]% E; Hset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) % m2 l8 p6 ^2 ?
set global-reputation-list (replace-item j global-reputation-list new)
3 E7 ]3 {$ E' m2 L; n/ xset j (j + 1)
( v* u, ~- R( m; F- b]
/ O" ^( }/ X0 o/ x% }2 l+ lend* K7 R* q% ~1 f/ x: N
! t7 p% r0 y* |9 S% l/ K$ t1 V) ^- r
0 B0 `4 ? n2 h; j! W
to get-color& T& E R+ f3 B( `
Z% r1 m+ c, u! n5 U
set color blue
4 |- e# T& q6 x) D" Q3 Z0 Oend: I: K( s F1 f
, L" ~. D$ f6 o3 U" V( b, \
to poll-class3 j/ \# h7 P$ z
end/ b3 C0 g! @* g# u6 l5 {: b
: k* M4 g3 ^& Fto setup-plot1
* D8 J" E& Q# C5 {. U4 T9 u% T1 D; O: v) M$ _
set-current-plot "Trends-of-Local-reputation"
5 }# C4 q; Q& _$ d+ c) f
2 v! A6 K0 a% |$ ?7 w" Aset-plot-x-range 0 xmax" s8 i; l) a+ A
4 n5 H G2 s6 m. O" k" d+ o
set-plot-y-range 0.0 ymax5 E% B" p/ L" R# z6 ~5 o
end: B7 _8 }% b7 a) ?$ {: C! ~
$ _; c) V2 a1 K7 b; w: n }# q g
to setup-plot2
# ~( @5 I/ u, Y& B: y. Z, o$ T. q9 c# O+ a9 x0 {; \7 T
set-current-plot "Trends-of-global-reputation"
: v o- ]! X# Z& P7 [2 n0 M2 z a# @+ s( z
set-plot-x-range 0 xmax2 | F/ y( m8 w2 d
9 Y7 d* G2 F: \# R% Y8 W: H* X. Gset-plot-y-range 0.0 ymax
1 g$ c. M$ M" \. Gend$ f% m- A# W- A, _4 R% ?
$ s# @( ?/ k! b& k
to setup-plot3
) E& `0 C. w" C8 F- d. J, d
1 a) h# F( a) `3 o9 o8 bset-current-plot "Trends-of-credibility". q: _. L* O9 {. W) I6 t
; [4 R# B: r( H, a: Cset-plot-x-range 0 xmax
! l$ _8 C) J4 V. T- I1 ~8 l# o7 t: {( q( y' p
set-plot-y-range 0.0 ymax
; I8 ^. D) u4 T9 [0 T5 Iend+ e: S+ L$ ]- Y0 I3 L8 A' q8 ]4 z
+ w1 J3 \/ S2 l7 A% }$ ]: _
to do-plots
- z6 }+ r4 c# ^) Qset-current-plot "Trends-of-Local-reputation"; j% [; X& }3 T$ ]3 N0 U+ b
set-current-plot-pen "Honest service"
+ W7 o* V( }2 o3 iend
2 F) L+ X; g, {% D0 x* {: ?8 t2 z2 T' I5 s- b z
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|