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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
) `) Y! T5 c& Z2 j- {. {globals[( ]4 i- q8 Q9 g& q6 @
xmax
. T2 B* s, r+ `4 i5 I' p/ {ymax
* V, L+ _5 x% X, Pglobal-reputation-list% P9 m: f3 M* ]* ~
e/ J/ p9 L5 \;;每一个turtle的全局声誉都存在此LIST中: i) s2 U: V/ K" L6 A' c; k/ W
credibility-list! ^8 a/ y% u2 I
;;每一个turtle的评价可信度! Y0 |' G0 U7 _# P- x
honest-service
+ I" X8 K4 v& D' p& kunhonest-service
0 G( F% z/ Z9 `& [2 @7 o. Foscillation5 ^9 L: D9 ]! d6 O! T% e
rand-dynamic
2 }, o+ G& Z, C) S# F7 ~]+ O( S. w& L4 j6 |6 o* l+ M
3 o A, A6 }9 D( C. q/ ], e( f$ I0 `( V
turtles-own[
' I# x% O+ h9 [$ x2 R. g1 ltrade-record-all) M! {# ]: t0 f; P
;;a list of lists,由trade-record-one组成: e% R5 n) D! A2 J$ G0 y2 G
trade-record-one- {; r4 p4 }0 L
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
$ }$ [8 K: q. H6 o0 g4 q- E
g) u6 c1 q" H;;[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 t# B; R# gtrade-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]; w' K% |, s1 j1 D/ N
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. Z; ?* _& c- t6 p7 d
neighbor-total) e/ _, B' _0 n. P* f4 z
;;记录该turtle的邻居节点的数目
: i0 P) d8 P3 `9 [0 N' xtrade-time
4 s0 H0 i/ G% }4 _9 _5 U;;当前发生交易的turtle的交易时间
1 C+ f" c" l+ U" v* _, ~& ~" [ E5 ?appraise-give8 C: B$ O& t7 P" b7 f
;;当前发生交易时给出的评价- B& X! K1 _* |
appraise-receive
. Y* u# K0 Z4 D;;当前发生交易时收到的评价. _# o7 X6 m4 M( n: S) I4 h+ ^$ c
appraise-time
6 v; @. h; L. B" E( l6 G7 ^0 Z5 T;;当前发生交易时的评价时间
- }. o) g, H8 u9 j/ ?; Flocal-reputation-now;;此次交易后相对于对方turtle的局部声誉" A9 F0 c2 D! g! E0 \3 v, ^, w
trade-times-total& {( A# u9 w. p2 x- b/ _
;;与当前turtle的交易总次数
, N( e. L/ G8 s3 d, R9 {3 |* Btrade-money-total% X9 q3 K1 A% N c* s, X7 Z
;;与当前turtle的交易总金额' i! Y6 r M+ ~% h0 R$ Q b0 s
local-reputation' W ~3 w5 A9 [
global-reputation
) Q5 p6 w' }4 q- L; E$ V+ ocredibility y# {2 }6 |4 z# o( F1 [4 O) _+ ^
;;评价可信度,每次交易后都需要更新
# z* {# C+ P* \0 e; \. H" j& ^! Mcredibility-all* X7 r% n1 }3 s5 a- m9 o9 X- o
;;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2 _; O% Q2 H/ U" Y' o1 P
! a' v7 r/ C% u% u1 [7 X1 X8 Z;;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0.52 q( {! S6 S4 U: k2 `
credibility-one: r9 e# j# _8 K) Z9 n8 w: Y
;;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 x* m+ D& }- m4 t9 Kglobal-proportion6 Q+ n8 A: j3 }4 e' {
customer- |9 Z* K3 i! I5 d( J, R! G' N9 W
customer-no) N: G8 Z S a- i$ ]/ m
trust-ok
% H2 F. C3 O( M1 @trade-record-one-len;;trade-record-one的长度* ?' [& ]$ J9 L, P7 _
]6 A" ^6 y# I2 ^7 X
+ `& C1 c& I1 |2 u9 ^# P# V
;;setup procedure
~% Y& x+ L" z! \, _+ N k9 Z: f- u+ z* R' L' w1 {+ S
to setup) I% x9 w1 F, r4 Y
5 R. o: h: k! `" Z5 N( G/ W& A& Mca0 z4 A( v5 W2 [) g) k
' D' F4 e5 T9 s. a$ J- B+ qinitialize-settings: G+ @- V) q( o5 k5 r+ w i8 M
' m4 r: R. Z6 b$ _. Z- @) I+ t. gcrt people [setup-turtles]
4 p6 M4 X2 e" g
. s! ]2 \0 Z* creset-timer: q. }- Y0 {) F' K9 Z
- C) f4 F1 m: p7 x* Q* a. J9 T" s. @
poll-class
+ s( @' W+ T+ A. R3 Q* A. n/ w" p" |8 N2 ?$ r
setup-plots
9 M! S% @% |* X/ Z a6 I
# X; f7 t7 O O$ k4 X0 h3 i% Rdo-plots
`- ?6 e |) A, ^9 ~end& P$ z! g, G! _( h4 L
9 f3 R: T) H2 B, \" r
to initialize-settings
: _4 I! R2 G' P6 ]- F8 j. U' T0 _
3 D0 }! k0 L6 M& ?* R3 @" Nset global-reputation-list []
{# f" U. u6 n' @
/ R# l' T: Y9 G7 p: e- oset credibility-list n-values people [0.5]4 i% S' j, N1 R+ {% F7 y" J
; G+ W7 D, J7 q/ t/ _/ I# U( }set honest-service 0
" u c8 w1 ~1 u5 \" n" `4 o. J# X* t4 \: o0 P( G+ \
set unhonest-service 0
6 q+ i, n/ S& Z0 k' u( M9 _2 K3 @0 r! T7 F6 \
set oscillation 07 Z' t/ T5 f1 @+ |! g# Q) E) n
, g( ^! E# q4 `, C8 m
set rand-dynamic 0
7 t/ \# \6 v% {end1 Q4 O7 c( H) C1 @' k v
, [, m; n; X' x: \
to setup-turtles
% o4 I. N+ B0 v8 P$ vset shape "person"
- H* H H5 `4 g2 x) ^setxy random-xcor random-ycor
; M! v9 L5 K2 o* V+ B) Sset trade-record-one []9 e- M0 s4 H7 D3 H h1 {/ c8 H
) \1 T' G! L4 K9 r* q5 [1 V& B
set trade-record-all n-values people [(list (? + 1) 0 0)]
$ s8 v# X7 k. {% Z. o
, _- t9 O8 R% m, E0 U% Z& T( f0 Cset trade-record-current []
{' J* P3 D" C$ Y% oset credibility-receive []; R! q& j7 X" ?# v" H) l
set local-reputation 0.55 `6 X2 ]$ ^' V1 {; I1 W
set neighbor-total 0
% A8 H: W5 \8 `6 ~. _set trade-times-total 0
6 T# V- {+ L0 i* m- k6 l Oset trade-money-total 0
4 U! S1 C) q5 P' r: [set customer nobody
7 H4 {; Y% S- bset credibility-all n-values people [creat-credibility], N2 `3 s% e' ^! H. H* c
set credibility n-values people [-1]7 U# ?! D; z9 H
get-color% y2 k" f! W* ^$ H* P
/ V* X$ D, j2 b6 Fend
: H( W8 o6 t$ ]3 I& B! Y: A. v' ^: T8 _; P& o6 ]
to-report creat-credibility
+ X5 S/ v+ N8 {report n-values people [0.5]; L8 N- e% t/ q9 \4 N# P/ ]
end
* s6 P1 r$ o" D n
b0 ]& h) Q& _: j2 Q. R8 yto setup-plots
6 y/ m( d+ ?6 t# H9 e. e, h D8 T4 K
set xmax 30
1 ^- K, y+ f$ T
, x6 b4 ], P5 m8 F2 q; z9 l. S) gset ymax 1.0
0 b* E1 A4 X( Q9 q" M/ ? T, U y: y6 G+ a; j+ p# I4 x
clear-all-plots( [) P. v) V$ _- F& L9 }
& ^9 e1 L5 j9 bsetup-plot1
: ^5 T* V" _# l4 t3 a8 {7 U: z7 Z2 l+ b% n$ A7 Q
setup-plot2' y1 b+ H5 r, ~ b
5 Q1 U: [8 h. [ {
setup-plot3
. n0 y2 y- P1 i5 Eend& z/ q) ?- U w7 K
# L, L0 |( n- `# b# Y* i( t! J, j
;;run time procedures
2 V! A+ f8 K+ w2 H* u- ^
, G2 M; ?7 ]% y2 y; g5 _+ }to go8 |0 L! P3 W# |, v6 J" }
9 F L5 W4 j; R" V8 Qask turtles [do-business]
/ R! d1 K0 ?5 F2 N1 wend
% Y! a1 G6 C0 o, x- J/ k) w
8 A8 O) X' g+ g1 J# R/ G% Q8 r$ Yto do-business ( A* x: B4 _$ r
5 ?3 v% s" d/ R# q
) ?, o5 O. z9 a' x; art random 360
3 [0 A* F3 ], d, U0 x! |5 i) b
. Y$ p+ e) J# g1 qfd 1 H0 }8 P2 E7 ^7 T
: y1 e3 I9 t0 v9 `
ifelse(other turtles-here != nobody)[& k/ D0 G I- V* c! x! v
" s: w0 _$ ~1 e* A8 Tset customer one-of other turtles-here1 ]9 T- P0 B. @+ H
( D3 `" N' \% g, V;; set [customer] of customer myself3 v+ L: s' N& [- Q5 v; {0 O
4 n, V& v) Z3 I7 w
set [trade-record-one] of self item (([who] of customer) - 1)2 F3 |+ J$ c& M( {% L7 [
[trade-record-all]of self
2 O! f0 h% u; }+ ^+ V2 G;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
( l J- b2 h4 c. e1 r. b
7 }7 g. t9 L4 [' \set [trade-record-one] of customer item (([who] of self) - 1)
* f$ u, k0 |0 L( E[trade-record-all]of customer
5 F( X* i/ V1 B" \% r5 j8 |! p( Q7 X) s: W: l0 R
set [trade-record-one-len] of self length [trade-record-one] of self. j% O. U( d/ Y( ?/ v
! p/ P& H# C0 l( D: E" Z, h/ }set trade-record-current( list (timer) (random money-upper-limit))8 r+ J. L" Q) \
( u# K! A- J7 k, a P) f) a
ask self [do-trust]
/ N. a0 h& g! Y5 W;;先求i对j的信任度
# o6 I, n9 Q* }0 H9 f/ n7 [4 \( z9 t. m: g7 a
if ([trust-ok] of self)
$ i2 h; M0 q5 o; T( a0 L;;根据i对j的信任度来决定是否与j进行交易[: ^7 z+ N: K0 Q
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself2 ]' {% _0 w: d/ q9 z! W9 n; D
- E3 ^" E6 f5 J$ m' I/ t
[
6 `8 u! @: T5 P8 b& T$ s+ c( X2 g" j2 G. @/ A
do-trade3 W+ y1 E( @; Q z: l/ ~
, P( }6 }1 }8 vupdate-credibility-ijl' D1 A+ Y& [, T( n# R+ U# u- T
3 i4 i; [7 [; [5 Aupdate-credibility-list
, q( Y) R2 S+ l- T( f9 P% f# K+ u5 V5 e- p: g& k ?! P/ E7 {' s$ _! Y
0 L% f( p, h/ p0 t+ W" G" ~
update-global-reputation-list
, B1 ]; x8 h" q i ^) { Y3 O+ h) A( Z- D5 h( `. ~# s7 L
poll-class
2 A4 ]( w+ e6 m; m( [6 h# ? i/ ?
get-color5 M8 W) O0 C6 Q: ]* z, I; ^3 P
+ @- m( o$ N/ _5 ^
]]
$ O- V @0 l8 M2 n0 M* _6 B8 p# C# k) S
;;如果所得的信任度满足条件,则进行交易2 U, d& o& d) Z" |$ }/ |# ~
" x' ?4 H) G' w4 k* ?5 i[9 m3 G4 O" H. N! \8 N/ r! |" n
! _6 ~: |" l7 t }( P% c6 P5 D0 k" r( nrt random 360/ `4 N6 l+ J2 {' ]7 o6 a# K4 m
1 D" _% V. ? M0 @
fd 14 p/ q1 f" D2 Q- U( s) H6 G
- {/ F9 D$ \( r1 V1 w4 y]
' ~5 e7 ]+ U; K3 g7 b5 \3 z! L1 ^3 j" i9 ~
end) r' ~: p, Z1 u5 v
3 |2 _- K# O$ \ K$ h0 B2 V
to do-trust
0 E i" A2 E" p' b; _set trust-ok False
- l0 g# W5 \" D- F9 a$ ^% z3 R" b* W# Z4 U( Z
! j/ I7 ^, D' n K
let max-trade-times 0
5 S, r* G# y- ~: @foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]- ]" @# W. v- ?+ r ~. h/ X% D3 a
let max-trade-money 08 X7 W! l; m" V. q
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
% m" `7 F; j0 q% qlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))$ q8 x5 t. ~8 Z- X$ A0 }( n
7 G5 c5 g/ N# P- w p/ y. f
& t" B+ Y$ P! u; ]) f, M, D
get-global-proportion
0 T" P# t) H/ V6 J$ N2 Elet trust-value
8 M, W/ I% q7 ~5 J" h! f7 D! C& 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)
8 R4 X" X3 p/ d; E6 [) }7 p) a; sif(trust-value > trade-trust-value)+ H: r8 E }" y% s3 z. P
[set trust-ok true]
# p5 r$ [5 v0 c6 Y8 ~end
! T' L$ ?4 h5 n9 y
. n2 G/ f6 v' Q/ L8 v5 Uto get-global-proportion
6 \# A4 P6 ] I1 Jifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
( o F2 f7 w3 L# n0 K% s[set global-proportion 0]
; x* g6 R. ]* Q[let i 0
7 H% D, G% s& L% Ulet sum-money 0
/ ?6 X- p y( Swhile[ i < people]; E7 O8 [& u9 L% H; t; h
[
& p3 T M2 ?& g: `( R6 eif( length (item i
2 e9 |; p0 j+ A$ I$ l6 x9 H[trade-record-all] of customer) > 3 ): p& e V2 D t M, ~; M
[" k# ^5 [/ c6 j; l4 C2 U
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))4 Y5 _! |) q# T# f: k
]
$ Y' H" @9 `0 C, x; C+ @; Z, m]
2 J, _- Z; _. S- \3 V1 g2 ]let j 0
' e8 p1 ]* M3 K$ g1 nlet note 0
) L( \7 O4 W. S3 [$ vwhile[ j < people]' A$ V# M0 k8 U. K
[
; d8 u3 P$ E3 B4 F! `" o \1 Oif( length (item i; O, e& a# i+ m) f/ U* `
[trade-record-all] of customer) > 3 )
& l& @7 N- i8 n[
2 F @: \+ k r, gifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)$ ?) h7 S6 H6 W' I& c
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
: R& w# y6 Q# F* l& Z2 }[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]" t0 z6 c1 n, N' D0 {( i
]
, c5 J% Z6 @( G* A& p1 ^]; G9 B8 m4 I5 W9 s9 k t4 @
set global-proportion note
, g/ P; x# f4 x]. N, Z0 P, w: o. t X
end
7 B! C5 s' ?4 X0 U6 t
* v; t7 A- c) V! @5 G& |0 {" bto do-trade& A+ N; j0 U: M! Q
;;这个过程实际上是给双方作出评价的过程
u8 l% ^/ A$ jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价7 S0 f4 `; H/ q' I2 f9 c3 d3 P0 X
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价 t3 T5 p! q+ H) ~9 w
set trade-record-current lput(timer) trade-record-current
4 W; |/ i [, f% t" O& Q8 ];;评价时间3 S5 b( T. X" C6 `7 u
ask myself [
% d- C2 b7 I/ r8 |- w6 x. t, oupdate-local-reputation$ F9 S" n' e+ Q1 |1 f
set trade-record-current lput([local-reputation] of myself) trade-record-current
# N5 y8 ]0 t. l9 o]8 V# j# v4 E& d- L
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
7 K1 _, e' L0 _# F4 D;;将此次交易的记录加入到trade-record-one中6 T0 s' `$ b; ]9 f7 \2 @7 [' ]
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
3 f& j1 j* X5 vlet note (item 2 trade-record-current )- \9 \4 Y* n1 k# n+ f
set trade-record-current
5 h" J1 y( |. \& e$ G+ |; |) I( \(replace-item 2 trade-record-current (item 3 trade-record-current)): Y$ I$ Y8 `. R. V, y* F
set trade-record-current! U, z$ }' ~6 A s
(replace-item 3 trade-record-current note)
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4 l! ~/ h" u2 S2 @ F& Z5 M
/ x( A5 k: p! Y2 T) Gask customer [
" u2 e# Z7 x2 d# r' D( ? r0 Supdate-local-reputation
. F4 {, A; ~3 g. ]5 t$ N% Bset trade-record-current5 F) ^ x9 r0 e" `: H7 K
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
! t6 O# w8 h U6 \]
; ^! _; Y: y; m: a( w; p9 R8 s: i0 r6 l' |2 o! v
+ W9 P1 A) S2 A7 q3 mset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
7 T& J( J* w, }/ L" U7 J
+ i5 j' z* Z6 f" z4 `/ B$ E# nset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)); Y, l- V& V! x
;;将此次交易的记录加入到customer的trade-record-all中4 ~0 r/ q" X" r9 C9 A1 Y
end
) z' e0 ~' ~* F5 U6 J4 N1 s1 \* B; y |( X
to update-local-reputation& i# N- W+ P) v6 r
set [trade-record-one-len] of myself length [trade-record-one] of myself
% A& x7 p: i; \. ?* O) G! s: Q. l9 ^* M3 v1 G
_% k* ? G! |& [0 F" w& P5 R
;;if [trade-record-one-len] of myself > 3 ' f4 a# m2 a6 u( m
update-neighbor-total7 Q0 ?' @. |: O/ w( }8 s; M
;;更新邻居节点的数目,在此进行) W5 S$ z7 z1 i- R' E% [1 `4 {1 u
let i 34 V. t( H1 c6 {- t2 k
let sum-time 0. m9 T2 _% R6 q# U+ h
while[i < [trade-record-one-len] of myself]8 r3 E, C- m( p* _$ ^+ @
[+ p1 J' j: [0 h+ l' h* |" K
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )0 D8 m3 H- g4 A: z s9 K
set i/ h3 g' J5 W) D% T6 e; e- J
( i + 1)/ _3 ]0 z( ^. j* w( p. T
]6 X$ v2 m" ~: {: \, r
let j 3
9 `0 o( \0 N) \) s W( Nlet sum-money 08 Y$ {! H/ _6 l D3 K' B
while[j < [trade-record-one-len] of myself]3 K5 A0 {+ J# Z3 ~& c
[
4 y6 w, c# n9 j# ~0 Uset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
0 A. b, }. X/ s! L$ qset j
8 M6 l% y5 u4 ~ r/ N, V% Z+ y+ o( j + 1)# B* a4 o9 O3 {. \! Q& }+ Y" B7 Z
]
8 ^, z( K; n4 w2 w3 p: Y% Olet k 3
; U" r$ j# l3 _let power 0
7 M/ e9 P$ s7 A5 F6 I( Ilet local 0
% y; e8 F7 v0 o- {while [k <[trade-record-one-len] of myself]- D& [: s" V% O! R& L
[
8 w9 G) k( M7 i, b W9 Tset 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) 9 E+ H) M/ i* h6 B% Z" e8 F
set k (k + 1)& B" y4 J8 Q0 m3 s' j9 X
]
# [* ~7 b8 y# U' u4 i- a+ ?, L% ^: _set [local-reputation] of myself (local)
& }* q* M' h* ]: _! zend4 Z6 L" j+ E& o* A9 Y8 Z B" n
6 g3 V, e. z, g5 R
to update-neighbor-total
- B5 R. |8 s Z0 C% K3 o" b9 }. P! n
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]9 o) C* L+ l- A6 u) L2 h
( ]+ G% g9 }- S: ?7 E
. g5 [& l9 `# }) ^end! X F" W/ ] N" q. x
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to update-credibility-ijl + v8 H; S; |; {/ I; o
- y% L7 l3 H/ K: C/ j: |1 U;;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。
% D. l& e- v- K+ ^; d7 Mlet l 0. k0 s6 ~# a9 t1 p' x+ R
while[ l < people ]8 j9 j! W: F1 {$ s% W( r
;;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5 g0 Y8 ^9 j8 @, T% c5 v6 \
[
5 _8 J+ [* K; ?: Clet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
! {: D, i; e- i2 e- k9 g$ Fif (trade-record-one-j-l-len > 3)
" ]# D0 p 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-one" z; {( T+ N3 J( \1 I' I; B' P; z+ H1 p
let i 3
8 w) ^* J* Q/ H2 Zlet sum-time 0# ?+ d2 N, O! ?8 }: D8 N. ~
while[i < trade-record-one-len]1 W+ s; b$ ?+ M9 V
[
# h5 d* o- D. Jset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 x" ~0 |6 _1 Y2 I6 Z1 Q0 l
set i; \7 b; c6 a7 S8 C4 b( U8 K
( i + 1)
. |5 L6 W8 L6 W! \5 Y- W]/ T+ d' h: A [
let credibility-i-j-l 0# }2 c) K2 y% d+ u( S) ]
;;i评价(j对jl的评价); x' X. ?6 a! D, a
let j 3+ ~2 m3 N) X& z2 Y- f
let k 4
/ n# \2 b0 T- S4 Kwhile[j < trade-record-one-len]
; \ e* F" u1 G' A0 m K[. T' v8 U" [4 z$ 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
" {6 a" r8 h) p3 }0 [5 Pset 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)8 X/ N! n7 ^9 p$ S
set j0 e( z @ E F% Z7 j' n5 i
( j + 1)' K) K* w5 j) B/ \+ n( X( W& u3 m! }0 o
]
8 I, P( ^* p4 ^$ K3 Lset [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 ))
1 P5 J/ ~6 v# M# N7 Y9 p6 e
2 G: ^* a. ^; D6 {
' m4 p. a, y9 K A% \9 ?; s$ L) V- Zlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))' I, c4 c6 C( K7 D" F
;;及时更新i对l的评价质量的评价
# y8 E- Y" w3 yset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]2 r' J7 n" e* w. i& R
set l (l + 1)- K3 ]+ T8 I# [7 B ]* \
]
5 l# y7 L2 a# Send
! c2 B% X+ d- A) z4 Z/ e! y- z3 b8 o. _2 [7 k* M+ O
to update-credibility-list
/ L( d! `# H6 o& t. q4 h8 hlet i 0
3 s( m4 C' Q! Pwhile[i < people]: t0 u8 @3 y1 u6 b3 E7 i
[2 Q {6 m7 J/ W, x' L
let j 0
8 M& b# j% C- j8 h$ B# E+ x5 a" P& Ulet note 08 p- `+ t& R& ~, f9 q
let k 03 o$ K$ @$ c: ]$ N1 }8 _
;;计作出过评价的邻居节点的数目
8 K; M+ t( c8 w; g" q! }while[j < people]
) s. o9 X; k4 f% K+ u" I0 p; ?) K[$ c2 U! Z6 z: N3 w. g- D
if (item j( [credibility] of turtle (i + 1)) != -1)
' k. \: }, m& @, D. m. Y& r;;判断是否给本turtle的评价质量做出过评价的节点
5 a" O+ A' C& s- z/ F" m# @( u[set note (note + item j ([credibility]of turtle (i + 1)))
$ x( S2 z9 K# w' a9 z;;*(exp (-(people - 2)))/(people - 2))]
6 W0 v7 d q: b l4 V Vset k (k + 1)- u* H1 u% _4 \% f1 l- U
]
* t6 v+ _, ^2 e5 wset j (j + 1)
: J3 A$ r7 P7 [ W( {- a. {3 i]$ l2 m9 o9 x E! V
set note (note *(exp (- (1 / k)))/ k)3 `3 X' [9 ?: F6 K
set credibility-list (replace-item i credibility-list note): M6 D. K5 c# \( _0 L7 X( M* n
set i (i + 1)9 G0 z8 c9 u6 P7 W
]# F/ C; W, n* m
end7 w$ V" h' l4 B: x" B
) I6 D* S2 p# ?5 tto update-global-reputation-list9 y4 `" J+ Q2 ~1 t
let j 06 k' M- v, l% c. {9 O; a6 d
while[j < people]" \) f# y* a) R! ?
[9 x# X( ~$ W; \
let new 08 `, H/ f1 i+ ]9 R5 f' T
;;暂存新的一个全局声誉
2 C: f, w. k- y X& j8 Tlet i 0
" Q" L" e- r, w) e" O7 r& |* W+ n, ]6 Qlet sum-money 05 p( I4 v' H8 t5 ~! [, D3 j
let credibility-money 09 L$ F( g0 J( a! j; y% M, S
while [i < people]; n/ h% c- K$ p1 C0 s
[
! y1 i5 m$ H6 |set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))2 X, m4 {+ q( \$ H
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))" i# {; Y- N/ c& w/ ^
set i (i + 1)6 P& }7 v. l% N6 @
]1 P, L1 L4 m5 R) P7 e
let k 0
; e3 V6 P$ Y" W4 e% Olet new1 0
9 j& K0 P$ W1 ]% R0 s$ }% g, T) ^: rwhile [k < people]
$ Y4 o( p- K$ Y' G+ p1 U[( J, n3 m9 r! ^7 `5 ^6 D! y
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); B! `' b t: |: p. L) \* r' ]
set k (k + 1)
2 }5 J( f, X; t]
' R% O$ c; f3 ~/ x8 F8 y4 w* Cset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ' {# D* N% b8 c' `4 \$ U' o# o
set global-reputation-list (replace-item j global-reputation-list new)
2 m- U* P/ U" ?set j (j + 1)) x8 P5 b. F; c% R+ a0 S, X( e
]
/ ]6 P( f! K' E; n. zend
& P5 k( m3 ], g: g0 d! M. r& Y! u% F* J. `
; \7 o: j5 K- V5 d/ D! D# w# q7 {4 I8 L1 N8 G7 N2 V
to get-color
) S; f, P, P+ ]" {
+ w3 a$ k7 D7 g# c7 C$ nset color blue+ @' r, I9 |2 W
end2 P. y4 L6 ^# K) ]7 j# `& Y& r: {( b2 s
( R9 g4 @. X7 K4 [to poll-class
1 y4 ?! Z, @3 m& X) {( K# Gend+ Q3 H/ a3 V' {& U, j% _
- X8 [3 d& F( G. m5 E$ z* _to setup-plot17 }, x7 [$ `9 e* R5 n0 g
0 @* Y# ]6 R- `( K+ m1 E o' {, Tset-current-plot "Trends-of-Local-reputation"3 V2 s2 Z Y. r- L
$ q' P9 G, R3 H2 r% G+ C
set-plot-x-range 0 xmax
" _4 h% t. }3 L0 M9 W" O/ C+ J8 v( I% a1 P
set-plot-y-range 0.0 ymax
3 T% M1 D( ?0 y1 k- R& |6 Hend4 a/ w0 {( T: d9 _
: N! S" o# c( E9 E# x) H* f/ rto setup-plot2- Q* E4 T( V- i0 |; v
" t! J3 \4 X2 Z
set-current-plot "Trends-of-global-reputation"! d9 h. T3 A ?* _8 @& d
2 z! |4 y$ |. A' {' Z
set-plot-x-range 0 xmax
5 H* x$ q8 J; @6 K' s$ V; V7 D4 [8 |- M' `
set-plot-y-range 0.0 ymax' k) L% Q$ N3 ? Y
end
6 l5 L+ s4 N5 V( w6 c7 @2 ]9 V& t9 i. z! u z5 e2 o
to setup-plot3* D5 O, Y7 D: `/ R6 Y
: N* @4 Q. i9 g
set-current-plot "Trends-of-credibility"
# a( F6 Q/ {% r# V3 x0 r- }
: u2 @3 W/ W2 {/ s$ [# B5 Iset-plot-x-range 0 xmax
, C V: H2 ?/ l' D5 b0 F0 c2 r
set-plot-y-range 0.0 ymax9 ]! `8 g0 G @, k( g9 i/ Z
end& ?7 V( N1 v" m' O; k
5 u5 @4 ]0 C/ qto do-plots
5 w* [' f8 D1 O( yset-current-plot "Trends-of-Local-reputation"6 \4 H$ ^3 V2 o, J
set-current-plot-pen "Honest service"
. Z3 V0 |# w7 Y! k8 q( {" Wend
6 ^$ W8 Y8 z# A- ?0 S; s4 B
: {/ f6 Q0 r3 O; E2 Y[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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