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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
7 G3 m+ N( C% I/ ^5 { x1 _2 rglobals[- t# @2 V7 Z! N: D- z
xmax$ ]$ f9 [, r' M( ~1 v
ymax4 n Z( P% ]1 U; y7 f0 v* ?( v/ }
global-reputation-list
; ^; O5 v6 f7 p
. x$ w# U' `' e;;每一个turtle的全局声誉都存在此LIST中# z5 ^ g" `5 A7 _6 _; |
credibility-list
C: j: x4 s* S. [ l0 Z;;每一个turtle的评价可信度
& [; x6 E6 v0 Z/ c6 Q- b/ Hhonest-service
" Y# g2 T" t! x3 I# d0 [2 a' A7 junhonest-service/ t+ Y, e1 _6 Y7 ]8 S
oscillation
" Y5 A8 U3 T$ j+ C- S7 Crand-dynamic
! \. X: ^4 o& P. f8 l]
: X( D1 c: h/ K% F- @. N, x1 Q: N0 m! d% f% f; ~0 ^
turtles-own[& h) h, K7 S+ S4 H
trade-record-all
! R# d w7 U9 N/ P& h# v$ e( F;;a list of lists,由trade-record-one组成
: |, P( d+ F6 X3 h; ]trade-record-one
2 w, ^/ {& V1 a9 x2 k" k;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录" H- t0 \+ `3 ?8 k. ?1 `' c
" i5 K, p! ^6 j3 y8 I, [/ V1 q;;[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]]: }- k6 H' { C/ P% o" a2 }5 m
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]
( d& Q* K7 p/ Y) 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
& M9 ]( `- m8 J" Q; `, x6 J6 Mneighbor-total
1 G1 P- _* d3 z) T: D8 |7 ^;;记录该turtle的邻居节点的数目) D( q& X5 ]# ~, q0 G5 u2 M( M
trade-time7 U& q2 q) p( E" I% {& p+ t2 O! I
;;当前发生交易的turtle的交易时间
8 [: L7 T2 ?1 b5 I( P9 Happraise-give
) F8 Y T3 v' Q6 F( [;;当前发生交易时给出的评价
; c1 H3 r3 w" ]! ]" mappraise-receive
) A7 @: T7 B( M/ |5 q2 c, Y) B1 T, s;;当前发生交易时收到的评价
. d; M; C6 N' w- [9 H$ Aappraise-time
9 F" u4 z5 r) O7 C+ z% b- y j;;当前发生交易时的评价时间
. x8 R6 C! e1 q9 Ulocal-reputation-now;;此次交易后相对于对方turtle的局部声誉1 ~- _3 {" v1 a, a+ b& ^& P
trade-times-total1 z" a( S& ^2 O L
;;与当前turtle的交易总次数# @" v& R6 W9 |! k: s* H
trade-money-total- w& W* F: a5 Z+ I1 z- [
;;与当前turtle的交易总金额! b" ]9 C4 l$ o
local-reputation
A4 J7 _) V+ m7 z+ Sglobal-reputation# t& o" y. M* _% {+ u
credibility
1 n* S5 \4 V: @+ p3 q% `;;评价可信度,每次交易后都需要更新% R3 O8 h; k& `, @+ c5 o# T
credibility-all
0 W% L0 M1 }5 G;;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
+ L% l. Y, j( p% U5 r4 y( C9 d% S9 ]4 u' Q
;;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$ ^: @! ~! A. u: ]" k' P7 y4 x5 ?5 Z; z
credibility-one
6 J- R' R, T% Y& 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
6 r( B6 k: K- }% E1 f* Z9 eglobal-proportion
$ P. p: a/ r6 V5 q0 Q+ H" V" Z' O$ Xcustomer
: M6 J; A2 k; Z7 U7 a5 M" ycustomer-no
$ y& }9 X0 e7 ?3 f6 btrust-ok
U- a k+ d- Qtrade-record-one-len;;trade-record-one的长度! v' o; _' ]3 s* U; l' }
]
0 n4 M4 p6 r) S& x# _
% z: d# _' I* ?' r7 U G;;setup procedure& t+ x* n' M, s+ O1 e$ d' U- W
, A$ f6 l* r0 `# Gto setup
! T( Q/ {8 t6 z& V2 j. u, { h; A$ Q! N7 p/ H" ^" y* T- J! `8 u8 l
ca& H# C! Q* Y* M# h. c0 G
0 h6 D" x8 T U! j; L# ?
initialize-settings
% |# w2 b9 B% b7 T$ @+ w4 z# A/ u M4 D
crt people [setup-turtles]
8 Z, O, @% j. F7 s/ L( x
$ @1 x5 {) u, D$ I) wreset-timer" c) o& N% X9 ^; G" X ]
, g" z& U* o* e9 b3 |poll-class
: U7 i. O z. [& ?! z% P, \, r/ i
5 w& r2 e5 _; T" R4 u h* fsetup-plots; ?: k* _6 t) I8 P5 o* W: Y/ Z; X
$ v, J) x S/ L& C. ], sdo-plots
' v- b8 b+ i* n# H6 Z* q- Send3 z# P; p h- w/ j. ~' Z; o; ]
# q" \, M3 y7 W c; y) Z' s
to initialize-settings
4 k% H, x$ O- `* A$ l3 N0 h
+ X) @* i8 B8 f- P0 m8 L( o1 N. Zset global-reputation-list []7 W# y; l( J% b. i4 G9 C
2 x" R! A* V6 b$ n, x" m) jset credibility-list n-values people [0.5]
7 i, l) n- c8 K( N* \
1 N% X6 z7 F8 J, A& ]8 Hset honest-service 0
5 S( X7 v1 X! y- f8 k/ `6 }4 O' e2 E" J9 o, d0 h; c; n) P
set unhonest-service 0
5 `* c- N5 D$ G; G; s, J8 N; ]' N% Z% {
set oscillation 0
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set rand-dynamic 0: H4 {. t" j. h' T% E7 k7 }
end
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; v& K, r# ~* A: d2 Y/ o, Nto setup-turtles 2 U4 t/ J. i5 y% o
set shape "person"
9 O( x9 w, R1 G1 }& X$ J0 y; A3 dsetxy random-xcor random-ycor
$ F1 H; M) {5 k3 ^set trade-record-one []
0 u" ^2 r5 S7 |% P$ `2 u. p2 ]- v) e6 z+ Z# e! S
set trade-record-all n-values people [(list (? + 1) 0 0)] + z \2 y6 x2 B) K
3 _5 y# g9 H' n( `
set trade-record-current []- U& j6 b2 {7 C, I
set credibility-receive []
# p6 Z" T2 ? K* b8 y+ z# Jset local-reputation 0.5
5 ~5 U3 U2 l/ _0 Aset neighbor-total 02 q) ~! T$ D) s/ J% f
set trade-times-total 0
/ M1 j V @/ G) f0 K/ aset trade-money-total 0
% K) Y+ d* T" [5 j) Q1 {- t# |* Fset customer nobody2 I, j, ]: D/ b% {5 ~ H, i6 @
set credibility-all n-values people [creat-credibility]: X) }2 k |- b; p7 V
set credibility n-values people [-1]
* X) t f. U# t& g8 Qget-color& R( { j, G0 L6 h
) c4 F/ X4 F: t8 n; Z; Nend3 _ @% M5 ^6 {# n& @* f
$ i0 ?. u3 e) d
to-report creat-credibility/ m7 s5 q1 L; N; m5 Y- y" Y* P, E
report n-values people [0.5]
/ u5 \2 E; o* Bend
; P1 _* B ?0 W( c4 Q
3 W, Z5 z, r5 V1 p( u% ]% yto setup-plots M2 H R6 }% ?; J, l" t/ K5 G# C. h
+ f$ {3 ?$ i- g8 s( X h0 K- r' s% }set xmax 30
. R% V5 i& g7 s8 @: P3 ?4 W; i
. F7 z, K* b0 F9 T3 t2 `set ymax 1.0
7 }- j' U6 z% t* U$ X
/ `( x$ P1 j) f4 d& w7 w( |4 oclear-all-plots
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setup-plot17 q( q# f. N$ c% [
: Z. w; L9 T' `# {6 b8 F6 P
setup-plot2& ?2 A' K) a& J! a3 H+ n
D2 M! w; h& A6 k. a- D
setup-plot3
: Z% _3 b- d/ Q$ n# I9 y8 x- b3 ?; Fend% z8 K' o- L7 y# q0 y
* _5 Z& N% Z2 P
;;run time procedures
+ Q3 P9 m, c) r5 ^: _$ p- _) L+ K4 k0 n$ A0 k
to go4 H: R( {# u U' ^. | N2 m
6 V. {- x% X3 p1 Q) o
ask turtles [do-business]
) B; {/ U3 j5 A7 X9 n: }" M5 Send
) B7 S* m( {4 w+ I
( H6 ~0 C* E! J# Y+ |# z( h( y, F: zto do-business 6 V D) F2 I8 P% a# J9 q, e
& F+ ]( z- q- G a& H K9 C& l% C
- B, N* x( n/ J
rt random 360: L5 k# u" O. Y, X
: |2 m% Q7 U& ?, y, L( [2 t" e1 k
fd 1
6 X6 J$ Y. ~* p- p6 h% }
( q9 [7 {" D& x. W8 Oifelse(other turtles-here != nobody)[% ?' j. y4 [% J% x7 ~
@- h q7 k5 @2 x/ g
set customer one-of other turtles-here3 O, N( I/ F9 l. _: f
, `6 \$ ^; J& y- e;; set [customer] of customer myself
_8 S8 F% \6 S! V" E( |8 Z
8 d8 Z7 S! |- Q' Wset [trade-record-one] of self item (([who] of customer) - 1)
+ _2 h( [* D: V) d% G[trade-record-all]of self
& j0 S5 T7 P% x7 C;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self; K- j/ b2 k* R
9 C8 q) u, T$ a
set [trade-record-one] of customer item (([who] of self) - 1)9 X7 j) z1 J8 R- }6 N; l* e, t8 A6 P
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self5 V* C+ j" F7 E( S6 b. ^6 l
) `$ w: i, I- m: B6 V, H1 b% v9 [set trade-record-current( list (timer) (random money-upper-limit))
% b# w. |" V' n. Q0 M) c
4 `9 F8 Y5 J oask self [do-trust]# r% Y2 ^0 f5 b) s$ K% v% v$ j
;;先求i对j的信任度
! s$ }5 \ W1 A5 k; o8 f/ S$ D/ K3 l7 g. W$ o
if ([trust-ok] of self) n0 |! E& @' o/ `
;;根据i对j的信任度来决定是否与j进行交易[
- f5 a% k, b7 r' w8 ~ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
H$ C z5 K- N! f7 B
) z7 ~" x/ F- ^% ?) m2 t[/ S$ `7 q: i, P0 u: B1 Z1 ~
7 S' b! H; B9 U. s; v; Ydo-trade5 R. q* N" X* O$ @! L y$ p
0 S6 |) h. U; rupdate-credibility-ijl+ y! m) `0 Q* `3 Q* |
% L# B; K9 }$ w, h8 g6 {' S
update-credibility-list
' `% |( I2 _' U8 u0 |" c
; e; [* _! m3 m' [* d1 ? o5 H" v4 O- P& b! v, W% w
update-global-reputation-list
& |1 M/ h+ ]* y7 `) H+ C) H, C2 g u5 b* J. g8 ^) M9 S
poll-class3 R5 j% g6 ~: [7 f
7 _: T+ D# q. g8 u) \
get-color
3 O6 K: b: ~: [3 B
" m- @) K+ V$ X) J/ A- d# c ]]]
. j3 P* L+ Z, _5 ^/ ]
! L: v) H; V0 N/ b;;如果所得的信任度满足条件,则进行交易
4 N: W. p3 s8 o7 Y
+ j6 h) z, O6 q. g, [[; h: K' h8 d8 P& ~6 _
8 a+ S/ F5 m6 xrt random 3606 t( t9 i4 |: U) \$ I4 l
' r* P( n: _0 L3 z9 Q
fd 1
; u i' B: h0 L3 T
8 j8 U+ h3 t3 R! m4 y) A& U]$ K" {( _" p0 g3 N# k% |0 [/ Y9 b
' ?! [. o9 a( v5 \/ q8 R, x" m9 J5 `
end1 l) b0 I7 S. `$ K; _9 x
6 G' o5 O$ S! Y& q/ Q
to do-trust ( A9 `5 ~4 P: F& e) x( W
set trust-ok False' ~! X% i1 b( A* i( R& e) V
; Y" x. J8 |3 j) Z$ g
( i3 Z0 F' J' h7 |1 Y4 x% z, D6 plet max-trade-times 0
: [3 ^: L- Y. d0 w0 {) F3 x$ j: z0 |foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
" e s7 P5 v% H* clet max-trade-money 03 Q" R' w% c8 ^
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
0 p8 I3 w ^+ s- T9 ~2 e1 f* Mlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)): h" x4 T6 E7 w5 a- P) g1 g
* m; p# ]% E/ D0 ]) Y' I4 J5 H# R+ J/ H! K- F4 H. I. c
get-global-proportion
, P G8 T/ G/ X$ o' d4 Nlet trust-value
/ i4 g9 y* H9 f2 W$ I% f- hlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
; g0 ]/ i3 p/ e, B5 V- V& Z0 o8 C2 eif(trust-value > trade-trust-value)3 @. Q [6 A/ t+ \3 _/ B* V, u
[set trust-ok true]
# y9 i% @- M" H7 l! R8 v' Jend
5 j( @1 O3 a' Y0 R# J' l1 X/ B5 I" t
to get-global-proportion1 G6 @2 v0 W# e5 C1 {& w
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
& l q; ~- E; Z, O! y/ w; D% }2 Y[set global-proportion 0]
, W/ z5 {9 l6 P- h( d+ o[let i 0. n6 p& P' h U6 F& h
let sum-money 0( e: ?% t# ]( j1 B% Z$ p6 c! i* M
while[ i < people]
% E; p9 k, z: ^. F, f[
: w N3 u% p) `if( length (item i
# c4 _! V6 [4 o6 B6 g8 s4 n[trade-record-all] of customer) > 3 )
+ Z% N' N5 u1 P* o9 |, K5 {! R[1 L- E& A. Y) e8 c& {4 J/ a& k
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))$ p& o4 }) ~7 ? R/ y
]" \4 S- P/ |7 w6 W4 R9 G* i) k" e
]
6 H- z4 N) i) f) k+ nlet j 0
" I% m6 `( w2 M6 y0 Jlet note 0+ V b6 a6 I, }1 {
while[ j < people]5 ]1 `# I" |% ~: z) l) y8 O
[
0 y* M. e3 s& } C3 F- aif( length (item i) m0 n8 p- t* e" a/ C O3 w
[trade-record-all] of customer) > 3 )
- W; i3 H1 v" d. B; s- W[1 c, `$ D2 J1 J7 I1 v0 l/ j
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)8 q9 z7 v5 `( u8 o! u& @
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]7 I! \7 B2 C' y
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]+ \' {$ P; N6 n1 {8 ~: j
]
3 K) Z: \% P D]
& `( d2 k+ {! H+ a* `! Z$ dset global-proportion note! H5 ?) M# @9 z% y5 d# C* I
]
3 X0 Q+ Y2 i+ L3 [4 Q% Uend" [4 K3 ?; P- s- D, l7 P9 R
e [2 l8 @" |% l7 yto do-trade- W7 H# p' x+ n2 U8 y( e
;;这个过程实际上是给双方作出评价的过程% t" i4 x1 ?: O& k7 n( g+ T" F
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
4 i2 H; }) W6 xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
: I: U. j, ]9 _0 y; z" iset trade-record-current lput(timer) trade-record-current
: u s8 b2 T& r8 U; U( X3 n& n;;评价时间4 G6 d: z1 D! U$ s9 {! K
ask myself [
# F1 L: j* f" D+ {update-local-reputation/ V5 F9 a& l. R; N& L
set trade-record-current lput([local-reputation] of myself) trade-record-current
: x2 c4 J, t- `; R j]
' n, K5 t+ `% N9 \" s5 w( o/ \set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself3 v, W6 N- ?( Q X7 q. n2 r; _/ Y
;;将此次交易的记录加入到trade-record-one中* G: Y* ]; T: d- Q- ^/ b, I
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)) \. H2 r, q% Q8 u. |
let note (item 2 trade-record-current )7 e0 C/ m' W) a6 f8 X6 I u
set trade-record-current0 x/ l w1 ]) `/ W
(replace-item 2 trade-record-current (item 3 trade-record-current))
* k) V- d1 [* w3 S( w0 pset trade-record-current
5 B3 Y2 ~( t: h9 Y(replace-item 3 trade-record-current note)
: @* R: n$ z+ N" p- l' A1 y3 l- Z a2 p5 a- D
8 f3 d" w+ X# V6 j6 \+ W8 iask customer [
% k! v/ e) }9 g) Iupdate-local-reputation1 ~2 N6 p4 M3 R, P! v
set trade-record-current. x0 ^) u. v) U; U/ V. i: [
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ( H* w' z8 Q7 D. V0 }' {, o
]8 \5 g! N! ~, y: m2 C0 ?
5 y8 F' q8 Y/ P+ Q0 P- s+ ~# o: Y
+ `- |' h/ S9 W. X7 [8 ]set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
0 Y5 M/ D& G7 I* `& o. y; L& i9 \0 @# {% M5 K) ^/ u; L2 h& n
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))% I7 z# J6 y' P
;;将此次交易的记录加入到customer的trade-record-all中
# e+ W& }3 T; M8 C8 Nend7 ] { p5 S, z9 X
8 y1 j* Z6 K/ H$ K% {to update-local-reputation4 ?2 J3 V1 n# T. `1 f
set [trade-record-one-len] of myself length [trade-record-one] of myself
2 ~- J* n6 j$ v8 Q4 m/ C5 H' W: i n' P
1 Z6 s# \1 s9 L% C$ ]2 U;;if [trade-record-one-len] of myself > 3 * c) x5 j1 K! h" q
update-neighbor-total
6 u; j: V9 T+ ];;更新邻居节点的数目,在此进行
0 _( r+ M5 d5 L9 _, {9 vlet i 37 M7 C3 N$ t# `0 A) ?* A f5 q1 M
let sum-time 05 h0 W' r, ?% g, B2 \0 a
while[i < [trade-record-one-len] of myself]& O% [- Q6 T; p* P# _; M2 x* ?% g; o
[% X% N: u w3 }3 K, ^! f
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )' K9 O/ I2 z. }6 g f6 L
set i
" }: u8 M6 k. m" j. \/ ]( i + 1)
?! p W4 u2 `- J9 w3 I/ \0 Z# r]
. n: W3 M/ d) E6 l. ?$ Z1 |1 Elet j 3+ u( G& A. O7 H+ G' l# v
let sum-money 0$ ~: u& X% I J0 g8 e
while[j < [trade-record-one-len] of myself]
7 c$ b: w6 F1 n9 M" d[
) d; z: |# u; c$ t6 p* H7 rset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
D- X7 w2 G( [8 b9 @' O, X" @9 |6 tset j
" G# p) L, F% w- X( j + 1)- p4 K5 A5 Y2 j' F6 y: b, `
]
1 g- [/ A7 q: }& m* Y7 tlet k 3: f* \' Y2 ^1 X# ^
let power 0
+ z4 g9 h' J/ d3 J* P" _let local 0& O$ Z+ W" N2 s4 S2 s
while [k <[trade-record-one-len] of myself]4 |- E& k" t- E* _
[4 ]1 v$ L6 S, ?$ ~5 T8 i+ 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)
; o2 ^' w9 }4 J$ Pset k (k + 1)" U% j5 d3 S! K/ _; g
]8 j2 v. ~; r) q
set [local-reputation] of myself (local)9 f# S3 L2 R) f& Y5 C {6 v5 {
end g" s* d2 f T
1 I& }$ U8 r2 C& Eto update-neighbor-total
; u& H1 t5 }& H3 P, O/ z& d3 i0 N/ ~2 {- J! l3 @/ o' x
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]3 P" y7 b; R5 y6 H0 B* x* {1 \, x; w
7 g! w' G; I6 ^0 A5 B7 b* d" w
* r. L. x& O7 H: A* L' h7 E: `end
$ P {& P. Q, ^# Z( n0 D- q/ `: W# V' D. x& w& F
to update-credibility-ijl 5 N6 o' S+ m- P) k; [% W! ~3 H
" |' T5 Z, e8 Y4 |;;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。
3 @- q9 j7 j8 w; W. P1 O; J9 klet l 0$ e6 `$ `+ `' U
while[ l < people ]; t% F5 S1 e- e& [
;;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
# H0 p- O q) s: G[
- s. |+ q5 {1 [let trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 o' Q) Z: t N }- O- l: m5 N1 Z
if (trade-record-one-j-l-len > 3)
9 v& t# K3 [8 H2 R: Z) |[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-one7 W# g! _5 t, s
let i 3' T j0 O, u% E G. q" I
let sum-time 0
$ j3 a. y; Y( f3 y" F7 ~3 Fwhile[i < trade-record-one-len]
+ f1 q" Z, s$ s6 X& N/ U[$ V% ]- y: g( G
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
! k; B7 m: h1 {/ a. S2 G8 wset i; g% h7 o" g2 C/ t5 {* o% _0 h
( i + 1): ]% o- z& F. M- g2 m) v
]
; f) R4 D- ]+ X$ E# F! `7 y1 b, qlet credibility-i-j-l 0) m" L9 t# d, K8 [
;;i评价(j对jl的评价)$ f3 I4 Y2 ^: L: H
let j 3! W4 J+ x0 s, C, T8 G
let k 4
# | O0 U5 m$ |' U) mwhile[j < trade-record-one-len]; U2 m% J6 ~4 n' {; a1 V% l
[
( v) {+ s! T- t& }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% X, n. K- C1 h4 L
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)
2 }7 m/ C* @% i7 N1 `0 Bset j
, e6 J- ^" ^/ ~' a- c( j + 1)
! t+ U" A3 ]% }5 m3 a]
+ u" D8 w$ ]& l2 Q7 kset [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 ))
2 L1 _( y( w# v
4 Q3 o# [8 r$ Y( y/ V
9 M' F' b7 C" @: j' @let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))+ S8 d1 }1 X3 `
;;及时更新i对l的评价质量的评价
7 g+ m$ W" d& g; Q( E* b! t4 Eset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]2 C( m: s7 r( V6 ?! F% @: b1 S
set l (l + 1)! C# G+ G2 C! C! \- _/ N
]
$ L9 @+ |& a6 G/ l* I- U. H; I" T2 send
Y1 S8 i9 F$ k4 f
& q' Q* q* q* G0 q, N9 @0 X" d; wto update-credibility-list+ d% l O( ~8 N6 P+ d* {& N
let i 0
5 r" v, X: x; a2 w1 ?6 g/ qwhile[i < people]
$ f( O- b7 d( p$ E, [[
# t1 }6 U. p2 dlet j 0+ Y8 F7 A8 `3 H( J! {1 J# R
let note 0
; e) Y, r5 N* [% w. U( blet k 0+ X; s2 M S& i; e$ U6 z4 }
;;计作出过评价的邻居节点的数目, Q- e' ]' J$ f
while[j < people]
/ x7 d) l Z) y8 z9 k* K[
8 B; k- u+ }3 B+ |if (item j( [credibility] of turtle (i + 1)) != -1), ?6 w* l: B, u [. [9 ?
;;判断是否给本turtle的评价质量做出过评价的节点; V) @6 s: [- W, `6 X9 {3 \
[set note (note + item j ([credibility]of turtle (i + 1)))2 B9 x- O0 Z) U9 `9 H* U( z, O
;;*(exp (-(people - 2)))/(people - 2))]' M1 g% z, ~) N
set k (k + 1): {7 W0 G/ O7 a
]3 X9 x" Y* w8 u5 ]3 b
set j (j + 1)( l: R/ n& q v9 v J2 \3 `, ^
]% B$ g/ {8 Y' F1 k& ^) F" i5 e
set note (note *(exp (- (1 / k)))/ k)2 v; P0 c. M5 o4 u G
set credibility-list (replace-item i credibility-list note)
5 o; U2 K1 ]9 ^- T8 T1 x3 [6 Qset i (i + 1)0 k- i- B6 M$ b' c4 C( S) q
]
7 R3 `# H% s. }7 ]end
, p2 U& A4 w7 `, o6 w$ G
1 ?$ f u/ `0 L/ C3 d7 u" mto update-global-reputation-list
- y3 X5 U3 C Alet j 0; B: Y7 ^ {3 O( l7 x
while[j < people]/ D( @. C' [8 P
[6 b$ q% D8 B- w7 z
let new 05 T& r1 H9 d. v) o6 W
;;暂存新的一个全局声誉
# g5 T/ E9 E7 `let i 0. T ]6 f1 Z" C( r' a
let sum-money 0
9 p& A3 U" I# E& F5 ~$ M' Olet credibility-money 08 r7 R! @5 `0 s" a+ A* j
while [i < people]5 t) }3 v. |" z
[2 _# [2 B: F' _
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
* Q: L( v; Q' j9 Bset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
7 D/ |9 G; `) Y) ]8 j. C7 J! r$ ^$ pset i (i + 1)
7 a1 U; L; ?0 m' g]
( O4 S" ^$ N& C/ {9 ~5 a% c9 p( @let k 01 D/ b& D* Y" v# j: N' |9 J
let new1 0
8 @7 ~7 w3 h+ _' F8 j3 i" \while [k < people]
7 o$ P8 I5 \* Y& W& o+ K[, G& |2 n3 o0 _0 B& 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)
9 N6 A6 @; f$ k3 i; Mset k (k + 1)
' J1 ]$ }% p& h" v7 c r E]
8 a+ W9 P% J8 a5 |& Qset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
$ s9 K0 ]0 |* D8 O- oset global-reputation-list (replace-item j global-reputation-list new)! ]( e/ U! M9 K6 t: j. ~
set j (j + 1)
$ e9 Y! y+ `: M: g]8 H# W; Y' K' d6 N
end
' L/ y" @6 s2 I7 p0 b0 X8 [" ?- Z# j0 {- o! h/ S; @
, \! X& V4 H6 A% Q* P" c2 X
) ?. ^/ @+ W9 \. qto get-color, {3 E) _* ^, Z. I
$ i7 g4 P9 @" e: @) c- l6 J5 u
set color blue
7 _. u* q4 q# [8 {( |8 |+ _% _$ T. f; Jend
4 W4 p0 ]6 O+ d3 d$ g% R. M" ~8 X8 C- n7 |& _* }
to poll-class
* {1 T5 e% j; s; m: dend
6 {5 i) _5 _% b! b5 N4 V3 |4 N& `& |
to setup-plot1
3 ?( C V4 z8 g
+ P9 y) D* H* o. m. M9 jset-current-plot "Trends-of-Local-reputation"$ f& [! l1 K) S' r
' s8 e) S1 {5 @7 F3 r, p9 u
set-plot-x-range 0 xmax
- |" ^1 b1 ^. _9 v, Z6 c: y% a" u/ F
set-plot-y-range 0.0 ymax
/ _$ d$ P y7 L" j& Pend5 Z- h9 A" Q- _& f8 Z4 n W+ C
0 i9 G3 g$ b) y1 @! c3 X
to setup-plot2
Z x7 I' j7 p! X2 w: ]+ P7 R! b. X% [4 o2 G! J* w4 Q5 x, C# W- E
set-current-plot "Trends-of-global-reputation"
( R3 c- x- g7 p. o7 Z! D7 u9 K* W1 }( h
set-plot-x-range 0 xmax4 K) u2 k( g% a
& W# D# Z5 p) r& N9 q; Bset-plot-y-range 0.0 ymax
4 N1 u- G v w# q' |- i! d. tend
' [1 l- o. c; @/ C- H- C6 v- N
6 F/ Y7 M+ w! b. V7 F5 `8 \to setup-plot3& V- f+ V, L; R. N6 u$ x
- X4 b: f; F+ Q. Z; {9 X' ], uset-current-plot "Trends-of-credibility"
- u+ P5 y5 |9 s3 T* s
8 }3 I+ q3 K, q8 s; o+ {/ Lset-plot-x-range 0 xmax0 r& v+ y0 }% N
, r. R8 k) Y$ e5 @3 |( S
set-plot-y-range 0.0 ymax6 r- r7 N8 K4 |% @6 B( b
end' l; J+ R0 W% M! T/ Z
+ K0 n& D3 n* q% F* c/ ito do-plots
: B! b) c- u" q% A/ q5 p+ T1 p+ Q+ Jset-current-plot "Trends-of-Local-reputation"
+ S- b" s F) S3 |' p$ n* {+ q4 Gset-current-plot-pen "Honest service"- I1 ?, {$ _: ~. c& i
end6 @0 A+ ^% s7 n& ^/ |
* G- }5 i9 g7 P1 R# `4 U' T[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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