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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, m( y. \3 S- [0 p2 J: K
globals[
% e' j+ f/ h: C9 Jxmax
- @. G2 C' z! ?& ?$ Z( n. Nymax
$ ?% S7 F: o6 M, \3 Z6 cglobal-reputation-list
5 ]* T! K) u D0 A
7 S( x; p4 k1 W1 u/ v+ X7 q& b' @;;每一个turtle的全局声誉都存在此LIST中4 w+ a$ f. s5 Q+ M# h$ Q' f! p
credibility-list
& G) w' g! w: N6 W& G;;每一个turtle的评价可信度/ i+ J( K, J& |2 K$ E% D
honest-service
% J* p9 `6 N/ \) S: E7 N% |2 ^unhonest-service5 q, S4 [; ?2 f$ @4 J+ J3 G
oscillation" I5 y1 i9 O Y5 D2 Y
rand-dynamic
$ e# u7 e5 A# Y$ v$ n& L/ j]5 E; S% k. @. _7 A% x: m9 E
8 ?1 q8 h- z( c. D% n
turtles-own[. q. A! ]0 z+ a5 n, z/ f
trade-record-all
2 V2 g$ F' A7 [# s$ u3 X0 J6 s;;a list of lists,由trade-record-one组成
1 q* n1 `: B$ l# ]0 r/ U' Z: Rtrade-record-one9 d2 y9 j6 A+ D/ C X* M3 _% `
;;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 A E& B: @: g& }3 y; d' G* x' p/ {( B" ^! W2 Z
;;[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]]5 U) @' j0 o: b" L
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]
- R0 K" W1 l2 w3 U- Dcredibility-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list9 \" x; X( F6 \* [' ~ c1 q
neighbor-total
9 i |( h# _3 m& i;;记录该turtle的邻居节点的数目8 m2 ~4 Z- p0 \- w1 e
trade-time
$ m: U8 E8 }) A& r;;当前发生交易的turtle的交易时间
5 w% V) n9 ?" ^( @" s9 ~appraise-give
5 @, X. ~- m7 T6 Q7 F8 h;;当前发生交易时给出的评价" P, I0 b' j6 F: a1 U
appraise-receive
. Y: W5 i# }+ r8 b9 E;;当前发生交易时收到的评价
1 R' z, k' M" s9 F' {appraise-time( a1 V5 A9 ~' ^" Z$ C
;;当前发生交易时的评价时间
x. Q- Y3 J8 W4 A( Qlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉6 ]" u# H; {2 A9 a$ C; {( I+ v
trade-times-total+ R1 v+ F: N [7 q% d% K# P$ i
;;与当前turtle的交易总次数: ~8 t% q- w9 h
trade-money-total* d6 r7 ]3 d: c7 \" n- i
;;与当前turtle的交易总金额
1 N F! ^. i6 B; D$ H. xlocal-reputation$ W E& n8 W. @, }; y5 Y
global-reputation9 U1 Q. u0 W2 G3 t! B% i5 K1 G/ P4 B
credibility
\! O; ?# ?4 R! {* H;;评价可信度,每次交易后都需要更新
) s, J) d7 O+ ^$ L% [credibility-all
9 j/ d, N# r" E% k0 ^, L;;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/ Z' v" @% Q5 b& U
+ K, @3 G/ o& O% r
;;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0.55 g4 a4 U( t+ n8 U" n* a% \) }
credibility-one
6 n) q* W0 W/ ~( L+ `7 E! v" r/ a* 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# ?) r7 u0 [/ V2 {# d# l
global-proportion* N) P% d( w" S; l5 @# `
customer
+ C: q B1 c; \, o7 ycustomer-no
% J8 N! V5 V$ X" d6 y6 E, rtrust-ok) a$ p- Q( f3 b3 I( ?) u- _
trade-record-one-len;;trade-record-one的长度
/ U$ ]. z1 T- T# O# M4 d) i]) U# g8 L f% r( o. j# [
& C& [$ ~; d1 o8 c! r. V5 f6 w;;setup procedure
6 l- A$ W# _6 ^0 O* V* W5 `& f0 j/ r. T) r- d" ?7 }% f% ~
to setup
/ q' Y8 l7 i8 W) R2 B
" [' @5 f; w0 P: Q/ {ca
5 Q$ S! r2 F0 i1 [" Y2 v9 D
; [ W% x4 [! U) Rinitialize-settings
( W" n6 Q4 w8 c1 B" }- X* v8 _: S {( J1 m" E3 l
crt people [setup-turtles]+ @. {8 Z8 E/ p4 }$ x* e. j
9 S6 p, t1 c! C2 Q
reset-timer
; L5 R& J6 l0 X: i9 b
5 t0 j+ n( e! xpoll-class
' m, P% c3 j+ `; s# [
0 e1 d+ q& ]7 ~, J* ssetup-plots
5 x( B+ N% t: s1 O6 j+ n
3 F( R) Z" |- e! L, S: m; Ldo-plots
' c" W* `- E( G, eend
' @7 L+ g% k% x+ Y1 b: `
: h, g, `. J1 K4 F' P1 Dto initialize-settings
% z+ K7 {5 e+ j! u) @& k
+ t: }5 T+ ~2 M2 J3 r! w4 Wset global-reputation-list []% m; \: i7 C% k. e
. {: [1 j4 y# P, u6 p1 @7 f9 s) |- zset credibility-list n-values people [0.5]
9 J, [+ E: h1 h7 x; Q
8 [) Y! h- t1 F) L1 |1 C0 X9 Y" Hset honest-service 0* m. b0 i- c3 ^4 {& n3 p
) l" ?# a1 P/ n- S ?; n; v( \: P, T7 ]: tset unhonest-service 0
. {; L0 Z6 X4 `) C( y, s" e% W; \, r: w3 k( E7 i
set oscillation 0
) d: g( c- i4 _1 e* {: O7 h s; A% B$ z& W
set rand-dynamic 04 l" s3 g$ a; v& ?4 F7 H8 t
end
4 R3 t+ C, t) [$ P& v2 x A
4 d8 H/ O9 n0 N+ H! N7 R8 Mto setup-turtles
+ L) p7 h+ ~) N0 [9 _set shape "person"
7 y2 R8 T6 c# P1 M9 [setxy random-xcor random-ycor
; U+ f3 |+ W8 f$ _3 Bset trade-record-one []2 g, w# O( O" L/ Y/ r5 e
( M) {4 k) l1 f; c# p5 ^
set trade-record-all n-values people [(list (? + 1) 0 0)] ' w1 z1 C: n/ |4 g! x; W
& z9 L; U- ~5 h$ \# M1 r/ ~set trade-record-current []2 g5 F& s6 |0 {) Q5 O
set credibility-receive []
; r( K, e' x! ~: ]8 z* Nset local-reputation 0.5
2 J# C9 q! L8 @5 I7 ]set neighbor-total 0
$ c$ Z/ p( G0 c7 V6 V0 A6 q; `4 rset trade-times-total 0
/ h# T% t9 l' @set trade-money-total 0
2 c1 E; }# ]* e, X7 C* I! t* \5 x# uset customer nobody
, W8 @$ w0 X) }/ I4 \8 v; Zset credibility-all n-values people [creat-credibility]8 [6 H7 a! B! w
set credibility n-values people [-1]2 b& v$ P# B0 G
get-color( `. k0 o9 D* I* ^
8 D# \4 x6 q, A- D+ O8 K: D3 }6 ?end
1 M; T" k1 x6 E4 w0 K4 Q$ P( H# ~4 U# p- K3 M
to-report creat-credibility
" P. R, W! Y' b) \report n-values people [0.5]
' t! K2 x E2 l8 p" n% t4 lend
. Y2 j& w5 d( g" o: N
. S: J' G& i! t4 Wto setup-plots
- {3 z7 z3 Y/ T# T0 X* c8 ~, X* g3 t' L! \8 ~# R, @% W
set xmax 30- Z$ H( _" i4 a; p H I+ b: r
& ?( ` I* x# M8 |) o) Y; {4 o
set ymax 1.0
$ Y6 e* t6 R* U9 |+ [
8 w2 ?4 r& V/ L9 y& L. ]0 mclear-all-plots
" { H' g' o- _4 O6 ~, Q( w1 k3 O) g% m% B0 A
setup-plot1; f, \% o% l a- k# O! ^' w
1 b/ H9 T* @ Csetup-plot2" P& L. n, p5 g0 _- i4 G
: ~. n" e" }8 i' _9 bsetup-plot3
* s) j2 j2 e' ?end+ ^7 G% {# o; j0 e/ S# R
" C# x) H {* {8 C! x& p;;run time procedures
( f7 u& t2 G3 W6 K1 |# o7 v% L" S# O7 _7 e N" d1 u
to go3 K& x0 Z/ E' T' _5 v
9 u, q& J+ E9 f1 k& M9 sask turtles [do-business]
5 o7 ?' `7 @; B/ [# ~3 Zend
' u$ e/ G8 C: F3 i/ e1 o0 q
! |" t+ \1 F! Y+ w& Ato do-business ! o) P9 W7 U/ h( _. T
9 |9 U. [8 \, }, b3 g
9 P) P1 Z7 q( C7 G+ @rt random 360
5 N8 W, R$ h6 D$ v1 ~% a
8 y( h9 F# M0 U+ o1 q0 R" v: ^- M- ^fd 10 y+ v' O7 t% `" Y6 l3 s0 r5 Y
. f" D3 Z" K+ ~ aifelse(other turtles-here != nobody)[) r4 N4 L7 o5 T( k' ^& N7 b: `; U# e
d0 \! |5 E$ j. q7 Y+ Wset customer one-of other turtles-here
; R% i/ w! f. \% ]8 W3 R+ R! X/ O% F0 O
;; set [customer] of customer myself+ ~2 e) I- s- u, W
, t0 ~4 ^5 Z* G2 n6 |
set [trade-record-one] of self item (([who] of customer) - 1)
, m; y/ l( M8 _6 _+ [- s6 w[trade-record-all]of self
7 j- J) ^* ?- Q$ R2 |% a+ y;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
+ r2 w/ @1 C7 u# W: q. z+ \2 Y& N. }0 k& f# J$ U, m+ W, g
set [trade-record-one] of customer item (([who] of self) - 1)
& W1 u* m9 {$ G% D- u y! W[trade-record-all]of customer( f! s# Z# F0 @: t% r. Y6 n8 k
& N/ s+ P. H3 D6 a' v; a
set [trade-record-one-len] of self length [trade-record-one] of self: O, ?0 o. |, p8 h! A
o5 J) F2 j G* C7 H! D: e# g
set trade-record-current( list (timer) (random money-upper-limit))
& U% H# n* x0 G7 C1 o
3 P M% E; Y1 Z" o T( k2 @ask self [do-trust]% p& S1 t- N) I5 F0 |8 X( ?) e8 f0 g
;;先求i对j的信任度
2 X0 ^4 @( ^: a( S
* X e5 B0 |' u& H/ C/ ^if ([trust-ok] of self)
' `+ G. I2 }) Y;;根据i对j的信任度来决定是否与j进行交易[
& J1 c8 b6 i# u8 a& iask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself: C6 f* n$ h7 D0 ]( n
6 n" X, K& r3 r# ]4 O, Y5 R
[7 f* U: _8 a; B/ C2 r' Z0 _9 N0 V+ j
# k, o" W% U/ i4 pdo-trade/ e. E; |" A2 s# w$ \3 T, U
. U. O9 @2 d: x/ bupdate-credibility-ijl
. \: s% N' A6 E: Z; l- M5 h# ]) s8 y. L: p* o) f' R' v7 v
update-credibility-list
$ O+ V3 i( W, y: ?# F
, B9 X9 E- `# d9 D4 X, E$ w
% O y- h% l2 [3 H- N; oupdate-global-reputation-list
4 |# l- I5 d' j. s- c0 B, c: N9 u( z P8 y/ D, m" s1 W
poll-class7 H; l( Z$ z/ J) d0 ?
9 j0 `. c+ V" `
get-color( E$ j8 K7 T. l
: B9 B/ z' s+ q' F
]]
" p# K M& Y: c2 a7 U+ K9 G8 J7 i. b- ?( M% @
;;如果所得的信任度满足条件,则进行交易8 [ s7 L! P) d) E
, B: Y& r( t& ]; Q' c$ P" Q+ n[
) F# C. j% y; q7 @* }
0 ^0 w- S1 Y$ c6 ^/ v1 Xrt random 3605 N3 v" n) G/ Y4 a( A" Y/ i1 `1 N
2 G8 S2 K; A7 \( W& cfd 1
# G v. N+ a: R7 M" _# W3 `9 `4 f0 \; S p
]
8 ^$ e' j# ^" d* ]6 w' _
7 h7 \. `! _7 b. Z/ H% ?& |3 ?end
$ Z; t( ?, L: A: F6 `3 W
, F2 b( m, k& z2 V) r Fto do-trust
$ B& H9 W+ ]1 o# M" ~set trust-ok False- v) U$ ]/ n! C1 l7 W% B# D
7 G/ {4 B7 |/ k# [* r
2 N* e0 C0 k" X" d9 x* xlet max-trade-times 05 n1 ?* U% l8 u' z( O1 q
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
) A' H7 M: u4 v+ ^8 y- ?let max-trade-money 0+ o1 B7 M7 s; ]9 U' w3 K( u
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
9 Q- d6 r' e- v% W7 N) t' I1 blet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))3 \3 d5 Y& l: X# C6 b
4 c+ N. a8 L" v) C( T% h
1 L% N: B( j; s z. J! Oget-global-proportion
/ P' f2 s5 {! U" Llet trust-value
0 ~: N' ]5 }7 _( ]6 b1 Z6 F1 Qlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
, V- [' c7 \9 w9 B" V9 z! L. x' kif(trust-value > trade-trust-value)
0 E0 R5 ~9 g1 f3 q% U2 Z# i3 i[set trust-ok true]& T; n+ e# Z9 W! X4 h
end
' u) {( a# p4 a& X, W8 W8 g6 }
- o* h, _% j" o V u% Hto get-global-proportion3 e5 T; O( V) e) Y! ?2 S
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)+ @' {/ D0 J. d: [$ U- W+ ^
[set global-proportion 0]* ~7 Z& e. F& ~" o) C
[let i 0
J. k2 [1 c' `let sum-money 0+ {+ B4 e+ H; _+ K3 u% N# }
while[ i < people]
3 g O0 R1 J% Y$ \8 {[7 M% p& W5 a5 ]; C4 u
if( length (item i O, l/ W" A; F
[trade-record-all] of customer) > 3 )
; y# a: a) Z4 h: g5 D7 D* d3 m[
2 ^$ m7 G8 x/ B3 R. g) [1 s9 yset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
4 j, x; W( [2 d: c: ?5 S]
' T: e0 k8 U: p9 i8 y6 H]3 b% q p0 h5 u
let j 05 _: g9 x" v2 u; R! q
let note 0
; D6 m( k) E* ^- y7 E! f4 b) ^% Cwhile[ j < people]
6 K. z" d( c; o7 r! n( R% b+ k[
5 ]9 F( h) u9 I3 X4 A6 Mif( length (item i) g' b6 O5 h \. y: C
[trade-record-all] of customer) > 3 )5 t: q8 ?1 u: d5 a3 G
[, N' Z; D* q [# [' x* ?
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
t0 n1 K4 B4 V/ d% m% p+ N[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]) V7 T3 {$ Z5 k
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]! N# ?5 s; m0 l9 ?) x4 Q* Z2 i
]2 l+ W0 L' |/ ]3 ] t
]/ c2 O! ~4 w( z* r+ i
set global-proportion note- J! Y. d' T1 Z# x& i
]/ E+ P: |' b) q/ [+ }7 y0 h1 n
end
. W, d8 [ ?3 g% u" y
. r" ^( h8 T! t, wto do-trade
( {- c; R, [, ^$ ];;这个过程实际上是给双方作出评价的过程
, O! t$ V& P" C8 ` S/ R$ I. X6 ?set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价' l; x, C r7 o& }; V
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
" [- s( }. S; m+ @" x9 o# w/ {set trade-record-current lput(timer) trade-record-current3 j; d% p% X+ a) n, Y. X
;;评价时间
4 g! O! \ T5 @3 R* A6 ^, Gask myself [
& ?; v1 S6 b3 @# n. K# Tupdate-local-reputation" P$ ^2 g7 ~+ U' C4 d
set trade-record-current lput([local-reputation] of myself) trade-record-current3 }- _$ o6 r- D; [4 |: e( w
]. R. h$ j" J; G7 N6 ^
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 l! i v% w4 `0 @( z;;将此次交易的记录加入到trade-record-one中" B8 S: H8 D8 J
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)# {8 R5 g; c7 Q" V
let note (item 2 trade-record-current )
Y4 |! ~8 m3 I( ^% Jset trade-record-current/ E2 }3 W2 B B% u. \% Y4 B
(replace-item 2 trade-record-current (item 3 trade-record-current)), N% x7 s! n& k4 [& U: o
set trade-record-current0 H, ?( K' P6 R
(replace-item 3 trade-record-current note)
" ^" d( }2 G7 m5 ~$ a# _
" O# n6 p! t, R( s; m {
% I2 g1 }5 p$ h, V$ Lask customer [8 d$ T a& e$ w( \
update-local-reputation
0 ^' g" P V2 Eset trade-record-current+ U% A6 i0 h: n& p; p* l$ a
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
7 U& k6 o- H2 g9 T% ?( ^1 k3 C0 f2 y]8 M' l7 y* [0 J2 g+ b6 Q) _
% N1 W: W5 T6 v9 i9 Y# ~: F
! Q5 M) C6 M. `! iset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer6 @* W! G5 R7 g! ^
! I' C$ E! N. f0 o) F% D% U
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 T& y0 b3 m8 T% ~
;;将此次交易的记录加入到customer的trade-record-all中2 E- G, L# p( |+ v r A! o1 w# X8 _: ^
end
% @- }" P) [( r- @! ^& U1 J; f( p* `# h+ l: _$ E
to update-local-reputation: D' V9 L- g% q. D7 n6 c
set [trade-record-one-len] of myself length [trade-record-one] of myself
) }4 b: d4 _. j" o% B" e0 B% Z) K B# W0 a4 x" X+ [0 |
5 P/ h [6 S- i7 F! E I1 s4 `
;;if [trade-record-one-len] of myself > 3 - v) T" ?) I- X. j- ~! s
update-neighbor-total' @: y1 J4 V* G* M) M
;;更新邻居节点的数目,在此进行
% H* [1 J) @" e* K. C$ o Glet i 32 N! w- P& e0 K7 F8 k9 d/ q
let sum-time 00 O: N2 X4 s4 Z2 d& p
while[i < [trade-record-one-len] of myself]9 v: k) [# q% @' g2 ~# R0 m* q
[
( w r' \/ K% b" }set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )& K; a, E: d. `; W* q
set i7 ]7 M6 z; A+ l( o
( i + 1)( P( I2 W- ]$ K A3 q% S/ \# A
]
% ~7 C1 n+ E9 j) Q0 r7 Y% Xlet j 38 r7 v: A4 l' k
let sum-money 0
7 O" I6 X |' W% G4 d* T& [6 R hwhile[j < [trade-record-one-len] of myself]
$ A; h* s. W. a5 E# u+ q7 w+ i; R[( G4 Z: a3 l9 s. N
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)
; h1 r0 [; `5 ?1 I+ f9 Iset j" y9 }0 V- A" d& F: _, t" W7 _4 f, g
( j + 1)
5 c+ t5 I2 W2 q- A: z% [9 B]
* a5 w! w, `: k$ e+ f! ]let k 3) |1 B2 m0 t4 X- a* ~( |* m
let power 0, ?* A3 b9 C+ M3 S
let local 0( k9 t+ [" ?# M6 d) X) T% Q
while [k <[trade-record-one-len] of myself]) L% R" y5 Y) L @6 j! A, V9 b
[) a, x" K- Y% p" W- ]
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)
) P) X" m5 S5 P% M3 pset k (k + 1)+ K- @2 b4 e9 x$ }% o& z
]9 `( u) r* x G: y; q1 w2 n- ^
set [local-reputation] of myself (local)& G! n% I3 A4 R
end: p4 g, a8 r) ~* p/ ~4 Z4 V- M1 I
4 M7 C; ?- t' J9 C4 [% u" e
to update-neighbor-total3 B( Z6 b+ R$ Y, ?! x+ i4 c3 i9 _
9 [4 U+ j; R7 t' K; n
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
/ U5 o' a- A. C w8 j6 ]
( |. Q4 y1 H2 H- v
0 o3 [" \9 [8 O- B6 Mend. u" |' K0 j9 f" D4 ^
& Q( A" g. Q1 Y! C9 f
to update-credibility-ijl
! k- @8 ]' z. w; M* k' V1 W$ t# I3 n( B2 y$ x4 k* Q* T( Q$ T* F) p
;;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。+ \" _9 W! P# i) W* }6 ^( h
let l 0
: n) w7 r, z3 c9 n% C4 Fwhile[ l < people ]( E. f2 z- O( T1 p' ^- o. 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. o) g- j+ D% Z# A' N" ]% }# p# s k
[( W6 L. Z+ P6 X( B) o; U' C
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
4 z9 U1 l7 F1 D8 J9 R( [7 S+ |6 B( Uif (trade-record-one-j-l-len > 3)
6 L# ^# d! t! B! l[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' j# Q+ P0 j" f4 H/ y
let i 3; v& }& t9 Z/ D
let sum-time 01 i* r8 N# X8 `. J( b% U9 `) R; h
while[i < trade-record-one-len]
* A' N( D' C# c& @[
( ~# k; e; m) x4 E% xset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
7 e. }* ^3 Q! ~; u" o% Fset i$ R7 b+ n2 C; y' w" R- D& ?' C& \2 b
( i + 1)
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let credibility-i-j-l 0( M' d! Z; _# N! D: n" S8 K$ H+ \
;;i评价(j对jl的评价)
6 E1 g0 }: ~- ^let j 3' q# s, X2 Z' n P0 c# \
let k 4
& w) O2 S ~1 S( s+ bwhile[j < trade-record-one-len]& S9 Y( Y9 v5 i* j' F$ D0 t6 e5 S
[
3 _' |0 }' K* y5 C9 Qwhile [((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" a0 u* r* H3 m9 C% ~% \$ U+ d. L q
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 v2 j3 p- J: E6 o p! t- ~5 K wset j
- u# j3 _# q; s L/ B( j + 1)
. }/ ]& v# k6 g, p: R& c4 b6 y+ n]
8 I6 d4 n& ]. \. s2 j( v. mset [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 ))
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
) l% l/ C: @9 A% S8 v;;及时更新i对l的评价质量的评价
% l0 ]$ }2 }5 n& J& ^set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
6 l$ e* w, f$ _. Iset l (l + 1)6 x: D) k. ~% z+ N5 Z; H. a
]
4 }' G! [' ^4 K0 l& Iend
I; z( p1 `" I: h5 m1 l; E# b+ F* |+ @; p
to update-credibility-list7 ^; Y- S+ ~' s: b
let i 0% R( W R) S2 h
while[i < people]
7 w, _; e. K0 Q3 p[) \ {1 f3 d4 j0 s
let j 0+ ?7 D O3 j! Q7 N
let note 0
' G: Q/ P9 _* {4 I9 e0 plet k 0
7 W& B$ H2 F0 o;;计作出过评价的邻居节点的数目* k' J( I% Y" |( }# c" ]* j
while[j < people]: i9 e3 x% Q4 J2 R+ H7 x
[
3 D3 q( t8 F# t4 k% ~if (item j( [credibility] of turtle (i + 1)) != -1)
/ ]; i. f: \0 c- M4 |# U8 j;;判断是否给本turtle的评价质量做出过评价的节点
; F6 e L7 i/ g; y4 D[set note (note + item j ([credibility]of turtle (i + 1)))
+ c* s( {; _* i' T* s1 o;;*(exp (-(people - 2)))/(people - 2))]
" n- @6 G! a8 ?set k (k + 1)2 s# m" _' Y& @# g8 y* W: h. A
]7 K6 k+ [2 X4 H7 t
set j (j + 1)
6 h+ U! e) C6 a7 I: i]6 v% x9 x5 Q- N
set note (note *(exp (- (1 / k)))/ k)
- M1 Q( Q6 f' c5 Mset credibility-list (replace-item i credibility-list note)5 c( l1 O5 Y6 L
set i (i + 1)
$ Z3 `% ?: d9 N]
+ J. T, |' o; c- H' A8 iend6 v4 ~# e: ?. q2 ?3 I8 `
' C" p9 ]+ H+ G) z
to update-global-reputation-list
2 K/ B- B- V" flet j 0
6 \7 W; @2 v Q2 E8 ]# Jwhile[j < people]0 g) v+ q4 z* o3 E& P2 P9 D* x
[8 V- v1 u; p: x2 W& {
let new 0
6 ^* h5 }( h2 O' @0 }, ^6 p;;暂存新的一个全局声誉' H- G- I( r' u/ v
let i 01 U1 U s4 z4 B9 J7 z: @( R# q
let sum-money 0
) e0 c0 J0 `3 A: P6 d# ~let credibility-money 05 M: r- j5 H2 v
while [i < people]4 h1 e+ |$ Q4 X
[% c6 E7 e6 h6 g9 c4 d
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! r/ e8 M6 d7 I! q7 b' e+ z
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
/ M: e( i; [4 C1 H( F5 c, M# \- @set i (i + 1)
1 S2 ]8 o* U; r5 U1 N- s3 r9 T]
/ w* O9 K; Z" C' Jlet k 0
S, J, I0 l6 w: N0 Llet new1 01 h3 g* d7 O% ^# L( D2 x) v# B
while [k < people]
8 s4 A A5 q* K' R, `: ~6 t[& ^1 M! e8 X; K9 b8 m% Q
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)
. U! d. Z6 I: v3 Y% Wset k (k + 1)
( T' i# w# p9 K5 K. B+ T]
' Y9 E! F$ G* d* Dset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
7 z. v9 S4 k R Gset global-reputation-list (replace-item j global-reputation-list new)
p, x; _, ^9 C# q' Sset j (j + 1)
0 D. T/ ]9 C; `) m5 k7 L]- {. I! ?* Y+ a7 I* i$ F/ e. E/ [
end
% r- O2 o" y+ N) R
3 P# V Y$ D+ }0 s/ m7 R
) P9 s9 E. ^. s
, o4 ~% g# R( O. Y- \to get-color
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c8 Q( J/ W' @+ z/ S& ?set color blue
& d$ f% O' m& {8 gend
$ E7 y# u( v6 O' H2 a: j" x2 L/ G" @( `. F0 X5 q+ Y
to poll-class
6 n# q1 @# f- X$ I3 m0 u/ R0 fend
' U4 K5 i( C2 u. k& B2 G6 M2 k3 \9 n6 g# I, ~
to setup-plot1; W1 y9 D6 r! }
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set-current-plot "Trends-of-Local-reputation" O( v4 I! j2 m5 f5 a9 q
) t7 f3 F, X2 W' W" {( u
set-plot-x-range 0 xmax" ~2 G8 I, t) U3 d$ o0 l
: `/ u1 |5 t9 ~set-plot-y-range 0.0 ymax. C! {2 ~. O& d/ d3 F7 O) m
end
/ d% n U# C' _& X& x# h/ {! s! X5 k0 @0 |1 P4 R& o8 i
to setup-plot2, Z) X+ ~5 g* s9 d3 q
z0 {2 Y; D/ {- [/ o1 _9 sset-current-plot "Trends-of-global-reputation"# L+ Y% U" P9 Z8 f0 r1 u
5 e& @5 k* M# ~' O# V# E
set-plot-x-range 0 xmax1 s$ }" @/ X2 g5 X7 }' i
+ _0 i3 T! ]5 iset-plot-y-range 0.0 ymax% K Z- m3 I/ ]1 X6 T
end/ C: E8 E% J2 k7 q6 V
! k+ A& C( |3 j, T2 P# M# ^, D- f
to setup-plot3
+ o7 h/ d }& w7 n$ z {+ l* x
' \# S* i+ @5 H0 ~# ?, u. Mset-current-plot "Trends-of-credibility") ]2 M+ K7 P% l; `9 y5 q; m1 A
: n" ~! c% ^% w$ @3 ?
set-plot-x-range 0 xmax0 }$ N' G# S$ |
7 {5 T( m a) U, a
set-plot-y-range 0.0 ymax
0 N1 c4 w8 z5 M- Wend0 b* I2 ^' w' B2 p4 p
# k; K5 Y% v$ n# X0 W; gto do-plots
+ A( x' ]: |. C( b- N5 A! pset-current-plot "Trends-of-Local-reputation"* Z9 `: n5 d5 m6 v* p; k
set-current-plot-pen "Honest service"
( W0 V9 X0 o- Y2 xend
3 o' B% W- _$ K' N0 p, j4 @, W2 m+ {/ J
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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