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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& ^8 Q1 u9 ^! G/ a( n* S0 z
globals[$ s# `& N4 |' a
xmax* t2 U4 V1 c( J) ~$ h
ymax
' s+ Q' P+ K: R% Q; s9 aglobal-reputation-list. Q$ t& [1 R7 K) O7 L
: B( R* Q& O) [* p;;每一个turtle的全局声誉都存在此LIST中
4 l C$ U4 n3 P' q& {; fcredibility-list% h* p" ?. ?' b) l4 n: H* V
;;每一个turtle的评价可信度1 r: J3 H. _: ]5 Q; o
honest-service
9 R% ?1 J* T! p/ E% H/ kunhonest-service
! l- Q7 T1 [/ c) U6 u6 I* u9 soscillation8 V; r( |; |4 a/ m' n
rand-dynamic
) \! B# T% Z0 ~% V]$ F5 m% Y# i% C3 ]# X6 W$ t
0 }7 D1 i3 c3 ^* w2 A* `" t- Vturtles-own[( u. i( ?7 M. U! a8 K. S) J2 d! z
trade-record-all
! h' O+ x/ w/ s& I- X;;a list of lists,由trade-record-one组成
& R9 k6 p9 p0 c/ _trade-record-one5 ~$ Z* P9 p: b0 p3 _
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录7 ~9 o9 u( V6 X& u0 ]3 E; Z0 ?
8 k6 I4 A9 c3 a4 l6 ]) _
;;[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]]
z$ j& W; I) s: |3 Q" C! ztrade-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]
4 R+ i' ~$ H/ t1 [+ ^; hcredibility-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
8 e* J& }( u3 u, `/ a6 U" ?neighbor-total
1 z! _1 F- H& w3 {;;记录该turtle的邻居节点的数目 m4 {! e1 p K. [6 a3 M
trade-time
- n: G+ E- p& ]3 T;;当前发生交易的turtle的交易时间- _3 F9 V5 \1 o3 V
appraise-give' ~6 I- R2 }3 t( c) B
;;当前发生交易时给出的评价
% m, Z5 H$ h4 T7 q' J1 uappraise-receive" E0 k7 j" {5 v- R6 x# b0 Z
;;当前发生交易时收到的评价
: U$ z6 P) V- H2 k' F* u7 \appraise-time
4 b- H6 }9 W, u$ J;;当前发生交易时的评价时间
7 L% K: M4 ^" R* [- Flocal-reputation-now;;此次交易后相对于对方turtle的局部声誉8 q3 P# K- O2 v9 C( x
trade-times-total9 _8 G; D& ^$ f6 i4 e9 h
;;与当前turtle的交易总次数
6 G5 W3 u/ D8 htrade-money-total: n% Y- p5 _3 D2 P
;;与当前turtle的交易总金额/ o. N, a3 @; ?; [0 n. d: [
local-reputation
0 c3 i, h+ X' _. ?; Sglobal-reputation
3 f3 c( i% U) @8 v' Q0 O/ ~credibility7 v* ]+ @6 b S
;;评价可信度,每次交易后都需要更新# r; i$ d4 l2 F \1 J) |! G
credibility-all
3 L. z" \! V- Y- w+ t w% 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9 _6 I5 K5 R% D3 {, B0 H1 A
9 w" @. Z5 A/ } A
;;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
; F+ Y; O" [4 ~. Acredibility-one
8 U& |5 N0 j9 w( B; C, j8 I& q7 N;;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 q. H0 u4 G% R9 I6 @% K1 m. [$ Oglobal-proportion
: T; [8 y8 A" \8 Z! q9 Z' mcustomer
3 U! A b. P7 w, icustomer-no
9 Y- ?" ~; ?# j2 W; D" q, Vtrust-ok: g9 D! x+ y+ j5 S1 I7 Q
trade-record-one-len;;trade-record-one的长度
' v4 Y" x. D7 h* h* `1 e]
1 T& `7 S+ t8 A. p5 H
7 F% h) Y1 g6 G& M: x1 @: f( z;;setup procedure
$ n+ S# B$ ?2 |7 ^ D4 J, B. t$ h+ Z5 x7 @+ _4 [ x* N6 f
to setup
) ? R$ h) Q7 } ^; P2 a1 R# n3 K2 t, N6 l
ca0 n5 K7 r" G5 I. f1 w; x
% C8 A7 b1 X) V6 n5 m4 b9 K) p7 zinitialize-settings
9 B3 ?& Y. l* |1 g) k" I8 U6 B' s& Q- p* T
crt people [setup-turtles]6 Z! k: Z3 |; P7 q$ l* _* Z2 d( b
8 O2 ~( I+ ^9 H5 Ureset-timer3 ^0 R e8 x8 \! @' M* R9 S6 T5 y1 G
' R: y- Y( Q# ]! o6 ~
poll-class8 s! j! G: \1 J
! g/ z( F. u. N$ G2 n
setup-plots1 n1 {, o+ T6 ~' h- P" S9 i- D- x
' x% Z; @5 f: F/ Kdo-plots. `8 ]8 D" }, }0 m% U' w H8 |+ s
end! |% z$ f. h. z, f3 M" i% i# |
# l r- N% G7 j5 fto initialize-settings# z' v* w" Z8 z. ^- @) H ]- m' ^ e
5 D6 R) y1 r. I7 F$ K4 Iset global-reputation-list []
/ t1 n+ P# i: i5 N" B0 q8 e
# m/ L3 t- Q- ^8 D: V" G! sset credibility-list n-values people [0.5], B# K- I9 p; N; o4 P$ Y7 v
' K9 Z) q9 C4 D2 ^& A2 E
set honest-service 03 X6 y' H5 v9 v; o1 Y
* {6 j7 @: F0 u/ N8 ?* Gset unhonest-service 0 b( z0 J/ G: | c
# \6 b/ p# \0 |, ~$ ?$ eset oscillation 0, i) q6 G6 U6 x' ]" Y L
& D: [/ B! Q- a2 a7 q5 a
set rand-dynamic 0
' J% x- |! [6 R7 \% Yend
3 R4 m6 G6 W; v" I3 k K( o& N8 n( w' C6 u( z
to setup-turtles
$ w* K3 A3 ^ G ~set shape "person"/ g' ]6 n$ Y- {9 ?
setxy random-xcor random-ycor
6 _; z( ^! R5 l: y1 G! gset trade-record-one []
9 V2 r7 s# y6 r
0 B- }9 ^' p9 t' _2 d# Iset trade-record-all n-values people [(list (? + 1) 0 0)] , W2 b" Q3 r5 @6 L4 K7 ? v# a3 W
0 K5 _! E# O: S8 N1 e6 F6 D1 r* u
set trade-record-current []
6 L3 ~5 N7 V% yset credibility-receive []8 P3 ~2 b" @7 [0 k) F
set local-reputation 0.5
; Q4 s' o/ W0 f) ?' i# uset neighbor-total 0
, {* K$ F! U3 b' J$ N& pset trade-times-total 0
p& Z9 ]# C3 h: dset trade-money-total 0
* P( q3 X) _- y5 c- z$ P6 o1 f( ]set customer nobody: ?" n$ H# W3 q0 b1 q5 K2 I( o
set credibility-all n-values people [creat-credibility]' m* j* j+ W$ k: Y
set credibility n-values people [-1]8 I6 _; Q, {" C9 m& _
get-color8 Z( W2 U& u- T: C8 n4 S
1 L3 b4 e; j& j
end
# m, x* f) y& a2 Q3 t* ?8 a7 V( l$ r( f& L0 w
to-report creat-credibility; _* d, p: o) V
report n-values people [0.5], \4 l9 j/ _2 }5 K$ A3 A0 p' r
end3 n, J$ j$ }* x' p8 l9 [7 `
4 ~! K. Y2 Q+ N* z0 b4 l/ ^to setup-plots
N. q% O8 e2 {- z7 M2 w; A4 o# ~7 S0 h1 T
set xmax 309 A% a3 `0 O8 N5 ~9 \
: |' S# h4 T/ ]6 J% m% t" ^# V2 kset ymax 1.0
3 T8 o3 T) ?: K* R( k
. L4 o* q- E' `8 pclear-all-plots: N/ X M) c# G
6 D9 m4 u3 Z# i* n
setup-plot1
" n( v7 n8 _) K( U, w& X/ ]
+ v& U- ^* b) E3 W4 f$ rsetup-plot2
, }, H6 w. m: S6 s
% D7 {& j# H! F7 l, s {9 |setup-plot3- P- { h5 V# q1 c$ w
end! a6 {' w2 x. e& T5 ?/ a7 I! h9 ^
4 U( X; U/ b2 [;;run time procedures1 r( P0 X5 l8 b' }. X3 q; X- j
\ s$ B3 A- E+ \1 p
to go
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ask turtles [do-business]- C$ ]' F5 ?$ `6 v y8 [* N
end5 b# q5 D: H3 k
- b+ N" T% N) f1 d0 I9 e# I) @4 A# uto do-business . ]; m4 e& [+ r5 y( P" m4 `: ]
6 o8 ^5 \6 x; X3 f" j( ]8 `( z0 Q7 j+ {, o; s; u7 G, o+ G
rt random 360
0 s7 t9 i5 x2 k* @2 I! }8 H2 F* [3 N6 G5 Q5 s
fd 1
4 P7 X/ ?: v" M8 D3 R8 X y% t! z/ J
ifelse(other turtles-here != nobody)[5 l! l" z7 C' c8 _. d( h7 L
- D. d5 @; _9 H' F
set customer one-of other turtles-here( V- P% ~4 r! v, z( Q$ ] }, J
1 m2 X# \" G' o$ O' S) ?;; set [customer] of customer myself4 W$ h' |# H* @4 X2 P
9 Q% N+ y# ?: \' aset [trade-record-one] of self item (([who] of customer) - 1). m4 P" E+ w4 S+ _' w
[trade-record-all]of self
9 m' o9 l; p+ K+ L;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self& T T- J: a! I6 I! \1 x
9 Y# H# g+ O3 \6 l" y. dset [trade-record-one] of customer item (([who] of self) - 1)
- d5 a) q2 f2 C- y/ J3 }[trade-record-all]of customer9 I+ g0 V& D; E* s
2 z) j9 A e: B% a" z/ a: bset [trade-record-one-len] of self length [trade-record-one] of self$ u8 H9 e' G" F+ O$ j& R
5 X1 P6 \# p" t1 n( fset trade-record-current( list (timer) (random money-upper-limit)), H" U. ~ }( P; S0 o. x4 ^
4 O2 B' \7 U' uask self [do-trust]" N7 }- [# q. G, @3 q7 N- @
;;先求i对j的信任度8 m9 u4 @& T; t- G. @5 r$ _. N
, T6 n: }7 W6 ]if ([trust-ok] of self) l6 \/ r5 U6 L7 J* }+ i
;;根据i对j的信任度来决定是否与j进行交易[
" } A. D# n8 D, O# D j: c8 J' {ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
* E. y% \+ F S) @& |2 q
$ {! o( ]+ `1 L7 [3 w[
" U4 h! d8 {, Z: m' g g' A9 h; p$ O, i: `
do-trade* X" T9 Q/ j( {1 p
6 |- y" `, G1 supdate-credibility-ijl; @4 m- P& g" D) V/ T7 O: k8 l3 B
- c% |4 j$ ^' L4 k. w3 Jupdate-credibility-list
% f* L z, C+ ?; }; \ w" J" K& k* a" u% w$ k" g' {+ a6 U6 \
3 M% @4 W4 x: u [ iupdate-global-reputation-list2 D/ L/ e# x* ]5 u4 j6 u, b
6 `# b4 U* c& e# b0 a1 r7 ~ W
poll-class- F# ?0 F0 l$ h) ~) t. a
& x9 X/ h$ m, V" L9 F/ L
get-color( |1 O# b% W$ Z6 y% X* F8 @ D$ ?
1 `: `$ p k( \ [6 f) z]]. m: t) e }% }3 S! C
* U# T- m* v" H+ W3 H; L
;;如果所得的信任度满足条件,则进行交易4 p% S% W' X; N: a2 f: N5 E; f
8 M( y3 ` l/ a/ y1 q: j% A[
. N2 ]$ {& y M
2 L( a& R) R d. `- [& \rt random 360
1 ^# Y) d+ X* w7 t% ` \% L5 k
) C% n6 G: W- Y& K. S0 Jfd 18 I& c& V9 Q1 Q, l
$ q" i, P! i2 o7 a$ V0 {5 m/ t
]) c1 \1 C9 ?: Q
, N5 ?# ]4 W) C
end
" ]+ g# d5 D$ W# w @. c% s& \. h
0 F8 o8 o# X7 Z9 J0 R/ U& vto do-trust & W) f- N, b* J7 v6 G" ?0 h# C2 c; u
set trust-ok False" i5 E: f I2 B( ]% y7 D o) w/ u
# s, L9 P1 ]) @ [% l8 L' R, r. v( j5 g Y; }/ @
let max-trade-times 0
* [ J* G! ^8 H* d" k# p) b3 Dforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]; l0 c D( C# X2 ~
let max-trade-money 0: J$ P5 @7 l6 ~) M9 q
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
6 c- A1 z9 r& R2 q% e8 @5 |6 Jlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
$ t% x) w3 y1 t7 Y1 b) g, F6 U# a* l" J1 G |3 ?/ ~
+ U! |! L5 ~5 @
get-global-proportion1 E9 ?" w1 z+ p5 X' ?/ e
let trust-value
4 d& J3 r, ]: a% U" b6 V8 D- flocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
$ ` h8 P+ {# _9 m% I& `/ a# B" xif(trust-value > trade-trust-value)
4 S- t7 l/ X: i/ K# a& |: ][set trust-ok true]; w o1 H5 Z: ^; Y9 L% b- X K6 Y
end
8 X+ q# T+ C5 i2 _% u
# V1 [! z* F9 g7 x. X$ m/ Nto get-global-proportion
4 V6 P. Q( C+ y! n. uifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
) P& T1 o- r8 u( _7 q; \3 i[set global-proportion 0] o! i; s; j4 }% o0 R6 D/ R% {4 D( j
[let i 03 w: g) O7 `0 |; k& l o
let sum-money 0
! U+ u* I$ z: L8 h9 @3 Owhile[ i < people]
8 O, f, P$ }8 A& T3 O9 T[
/ n |" s7 ^$ e( cif( length (item i
5 @6 [8 O( G9 K[trade-record-all] of customer) > 3 )
2 G3 R8 ]5 M4 Z* @# ]. ^1 [[
& N& J+ z) y2 U) C' S4 V8 d+ cset sum-money (sum-money + item 2(item i [trade-record-all] of myself))" N9 x+ s D; L: C/ M' |
]6 Q! _, G" O: x Z* Q; ^
]
3 `( _, H! W3 R& P6 V- Alet j 0
* d+ h {) k6 `+ d$ x" _let note 0
3 h* w* R( i# p2 U& bwhile[ j < people]2 R) T4 ]! c4 x6 i p( E& \
[
, R1 |- o U$ j. ~! [if( length (item i
( s+ F! w. K+ `* d# S5 y[trade-record-all] of customer) > 3 )
2 K, e+ _. J" [: W[, x4 Z' `# O* Q2 K5 v
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1) H( g* u$ W/ K( n* j3 k0 k
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
( e3 m" [2 y( f* I$ A" v, G5 t[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]+ u' x5 g7 p0 e
]
, `9 P+ y* b2 X% q]$ C2 z) R1 B* X" y( P5 i, v9 }+ Y
set global-proportion note' B- j+ G4 F- @$ i- C
]" {, t# }+ F; F" I* o3 [) ~' E8 a8 Y
end
$ D, p3 u: w( }! W0 B3 t# t
4 \& |( r/ U1 Z9 p! V% Qto do-trade
. Z2 K$ C! C* ^: ]/ g1 l( @;;这个过程实际上是给双方作出评价的过程
) I, `8 a7 P2 r: E. c) T% Wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
+ @, v2 _1 ^$ R& w3 X+ mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
7 D7 V8 |) i# H' T1 L Aset trade-record-current lput(timer) trade-record-current
D* F" c& Y6 w+ B! K. h;;评价时间3 B @ ^" |; i$ q
ask myself [
: n/ Y$ V/ S3 Q1 Lupdate-local-reputation ^* ~! {; f9 D' ^
set trade-record-current lput([local-reputation] of myself) trade-record-current
6 p8 ~; D4 z4 y7 Q]
! m4 \% S$ z( a, F' c) [set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
/ P, B* y3 G* y: A;;将此次交易的记录加入到trade-record-one中# ]0 I$ y& k& [, T6 u
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)# n6 r& C4 ?; r- o' Z- s
let note (item 2 trade-record-current )
% h3 _. p T7 k: `set trade-record-current
$ N: { h: ]' v1 t) j(replace-item 2 trade-record-current (item 3 trade-record-current))' F" M9 Y. Q; G& s
set trade-record-current
4 C: M% l8 c- |(replace-item 3 trade-record-current note)
" X' o/ u6 j2 L( Q( ~. b/ O- T8 ?1 D! s3 z# o* d
% R$ t; m) b0 w* A# x! J+ B6 P, C |
ask customer [# b+ w2 p$ E% N: [7 r
update-local-reputation6 v7 N% ?0 _( n E; ]
set trade-record-current7 K) Z# a8 v2 f6 S0 F
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ; e4 c- Y0 j, B5 [
]' m% d+ F9 [0 @/ u
( a, f- i+ M5 V4 S8 q) S: C1 ?( V+ Q2 w" _/ Z9 g
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
9 @+ ~' R5 O! @1 F ?+ y" O$ G5 g6 n! A A9 |. {- z
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
' n0 l9 E2 F- k: g4 k, ]( Q& r;;将此次交易的记录加入到customer的trade-record-all中
" [" V; ^* Y$ R3 P1 V7 J+ P* L- l2 @end
! E/ ~6 @: `) y! G) i% E' u. r2 r+ P, h2 I; ~$ b+ X6 A) R: D
to update-local-reputation @5 q1 r4 R/ v* |1 g$ L
set [trade-record-one-len] of myself length [trade-record-one] of myself$ C5 E3 O. e7 I# l2 g/ N* t# X
0 P' ?9 \+ L. G
' g( |8 I5 e9 T- f& }% [8 J: _;;if [trade-record-one-len] of myself > 3 % ^2 E! n$ Y' F3 _" p( n
update-neighbor-total
T6 E8 Z. c/ p; W9 o- E;;更新邻居节点的数目,在此进行% b8 K: V+ e- l- N. R: l
let i 3( g. v* Z. k9 v+ ?9 {# d
let sum-time 0
2 j6 z9 N3 H* Q- V# P6 Cwhile[i < [trade-record-one-len] of myself]
9 j5 h1 N9 P& N. |" p4 e[
( {/ R& w" h, {) j) s+ T6 v% P6 y( Tset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
i2 |% y" l B S3 i0 uset i* m; c2 @3 g( \& z
( i + 1)
! {8 z+ n7 t' I* _2 q]* t% s2 r: J) u z. P
let j 36 T/ [+ M M+ e/ A; ~% ^( _
let sum-money 0* X. o6 U* j; J
while[j < [trade-record-one-len] of myself]: E- w/ R3 y. O" \9 ^3 O
[: P8 _% `. Q. 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) |/ b3 A0 z) n$ H+ W1 p1 V
set j1 M1 S; e9 s/ H2 X: n' C. h( p$ ~
( j + 1)
+ O6 t- p# j- @- {]
% f: B% L6 |+ _+ t# B t! g7 ~let k 3
* t) n% U( ~. d7 J J, E6 ulet power 0
8 a! u& Y- H K& Mlet local 0
0 r* K2 J7 E; f' gwhile [k <[trade-record-one-len] of myself]
' p" T9 k' U+ P2 q# u5 r: r[; D. I8 O2 L8 r6 G) D& F2 C$ q
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) . L- T n- W4 @- v- t# W; f! z) L
set k (k + 1)
# G6 f7 H& q( |" j+ G]
/ a! ^4 { v# |3 ]9 K4 Gset [local-reputation] of myself (local)4 ~/ ~4 k' w% P
end/ H0 a* {, \* R. Q
~; n9 E% i* X; Rto update-neighbor-total
; h" c. t$ V. H* }; I
/ C& ~, _# B& qif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
; I4 S' F& ^5 m+ U) E) @+ _+ Y" y% l" t! ^: E, h# o* o2 ?; b
4 {' K% M! `. i/ t' Oend: i' \* _3 A" q& T+ g
6 ~$ x: L3 H. H, B0 x# B @7 K/ l! R
to update-credibility-ijl
9 A# Z6 r( V- r. B6 V; N1 R _9 G- C7 K$ `5 J# \0 f$ _+ u7 T: k. t( k7 F4 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。
( G9 n. J% J9 M8 k" ?let l 09 t5 L: m- ~$ s+ L
while[ l < people ]% f j J- @8 f' ?
;;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3 r( _- c0 C, _0 f0 y
[" ?% p. M8 f4 P
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)) O& o% V6 t- v2 ^9 X# j% {
if (trade-record-one-j-l-len > 3): d, k0 u* }& f1 g& k2 p M
[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-one9 m0 q6 k0 e0 I
let i 3
) [6 P& k% R7 e/ v+ klet sum-time 0
6 ?) I( L* c- i' Y1 U2 N3 s7 Nwhile[i < trade-record-one-len]
# ^" u+ _# e, H ^! n[
0 s1 R7 b) Y) k' |% x' y! Eset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
/ e7 k8 z/ g& Y8 s6 dset i
4 K3 s' A# X+ o( i + 1)- R; X; V2 u6 N% m1 Q6 N8 R
]' `/ G+ N2 a$ o
let credibility-i-j-l 00 m6 M1 B+ Z1 N5 @, |# `( }* K0 J
;;i评价(j对jl的评价)
8 u3 c8 a/ H1 I% T8 x! Blet j 3
8 Z- t& p n; v7 c+ G [let k 4
. d4 v& J4 y* Z. `1 ~while[j < trade-record-one-len]: O* u9 Y" ~( v ]+ t- b
[2 P% r _/ e: [. ^5 a. I
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0 `; e7 A7 X4 p5 U% ~8 x9 t
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)
& Q, u; J8 G! u3 \4 X* k- Eset j
: |( c7 n: y# T& T1 R( j + 1)
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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 ))' q" M# z' ?6 t# @) [3 ^, A
! ^, f, m3 {8 ~
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)) S8 I; |5 }- W/ ~, t
;;及时更新i对l的评价质量的评价' b$ {! O" w; j" z/ B* ?
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
- r% [& z4 t# t) k' a" B- jset l (l + 1)
$ ^; W; Y+ {) T/ G]( w( j H( a5 D' b" r
end8 {8 J' D9 R0 i$ ^. @" f6 J; u
) X/ A' q7 X; K* ^to update-credibility-list4 o7 Y( ?" c* c% Y7 T# y% z: b1 P( P
let i 0
) T2 D& {1 x( r: \* S& Ewhile[i < people]
6 H! q4 b! S' K8 s[
+ n" T! h2 Q; F/ Q" jlet j 0
( Z6 w8 ]. F( P/ U6 slet note 0
; V2 Y! J: D. E6 s4 A: n1 Flet k 0% z, w1 j+ U# [* R! ]1 b" v
;;计作出过评价的邻居节点的数目
; e3 S4 U5 S9 T* d9 }while[j < people]5 A- I2 Q; O5 J! j9 ? f
[9 |7 \4 U" p) D; A) ~
if (item j( [credibility] of turtle (i + 1)) != -1)6 ?. n2 H5 }2 M7 p( W5 W
;;判断是否给本turtle的评价质量做出过评价的节点
6 g8 L9 p7 }4 l" q& C[set note (note + item j ([credibility]of turtle (i + 1)))
* ^# y, @) U# P1 ]7 h8 ^;;*(exp (-(people - 2)))/(people - 2))]7 @9 e+ ?) k" ~; _
set k (k + 1), I( n( G% z# _7 S
]
- g# F' R" e! P$ uset j (j + 1)
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set note (note *(exp (- (1 / k)))/ k)6 y2 P" c3 `* Z7 o, W1 V
set credibility-list (replace-item i credibility-list note)5 I+ m( k' i6 Q1 X
set i (i + 1)) S" l `# W2 H, [" b" N9 a9 u7 ?6 D
]
% ]. c) p# Q- H+ B5 p- }3 p2 e4 I9 `end6 E3 b% W$ v2 Q
2 M' U6 l+ g" B4 T/ u7 Fto update-global-reputation-list
4 w4 g( G3 r; A( K% Z7 |let j 0
9 g9 @1 @+ x G/ wwhile[j < people]
+ F- b9 f' k q2 i! S& ^( \& y[+ _: B2 y+ A% Y5 _- P. A% q
let new 0" o5 o# `) M! T
;;暂存新的一个全局声誉
# Q9 ~3 d; R, H; V' N5 F- Hlet i 07 D2 B2 L i+ {
let sum-money 0* F1 Q3 {! w: E, v, }& x" g$ Z
let credibility-money 0
2 k3 E5 O5 a+ ^6 awhile [i < people]
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set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
: |, w( g5 N4 O3 ]set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))1 N: x+ o9 R2 Z
set i (i + 1)
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* E' I1 E5 D/ a" C" t' m3 c, X* Olet k 0& v2 v: J- G! I) B
let new1 0
5 T" K; p* G# y6 G" z. M' d/ swhile [k < people]/ w% R6 \* B$ k2 Y2 h7 o) K4 y
[, g! I H( U" S
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)
6 g) Q, ~$ ]7 Q% P* yset k (k + 1)
7 i0 @. K% O3 E5 \0 L) X5 E]6 c5 \/ C( m% D& U. H8 U+ J
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
' f. e/ c0 ]# v E$ A; [set global-reputation-list (replace-item j global-reputation-list new)
+ z' m# A7 K4 P: u$ vset j (j + 1)
, C" d+ S J& d7 P+ J7 {( W# K]) `- g2 @) T' d) T* m9 I w# j& ?
end
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3 }+ \0 l, Q. z% E0 V; B' [& ]9 B. h; a q" f, M9 v2 I. j
to get-color
8 \: l' g6 R {7 `
: l7 P+ d% D! b/ F* j/ zset color blue: {: ]1 K5 M# ]0 R$ F3 P
end
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to poll-class5 j9 j! a* }" ]* P( w
end- D$ Y" h$ ]$ G6 k
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to setup-plot1
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" b% `. F' K" Q8 x1 Qset-current-plot "Trends-of-Local-reputation"
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set-plot-x-range 0 xmax
- p t1 s3 V- U, a! `
3 P' c+ e2 y# w5 r3 sset-plot-y-range 0.0 ymax
8 U3 j# S. s$ {( {4 `end) X: w$ S8 @' N) y
# `- P+ ?5 E. F+ [# R: l7 s* Rto setup-plot2. A2 f/ @- a, c5 q7 V7 J& m ~9 s) n
- ]8 d% y* |2 \set-current-plot "Trends-of-global-reputation"# z9 Y5 p9 @4 Q- E- L- F" v- T
' O1 v& c- `: A; l; K! \8 ?set-plot-x-range 0 xmax
$ h* y m. E+ N& h/ J% A: b
* }' u5 i0 r1 l( ^! I; Eset-plot-y-range 0.0 ymax
, B6 h8 x+ k( y' S' gend3 ~( a3 Y9 [( |5 v7 e, q
5 P/ B- v# {% J& _to setup-plot3
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set-current-plot "Trends-of-credibility"! B9 i1 @" P/ N2 X m6 z4 x5 j
% t* r: g" B$ R: v. t1 Tset-plot-x-range 0 xmax
+ D4 o' U% k1 @0 w9 T6 r% z B1 y9 }0 K, F8 N/ P; r
set-plot-y-range 0.0 ymax
% C' T9 k9 L0 U1 Gend4 C* J: {7 ?+ P, ~
E0 I R, Y3 Z/ C. V |6 c$ gto do-plots% u+ X3 G, d/ X7 a
set-current-plot "Trends-of-Local-reputation"# Y9 C5 q% l) {6 z* q
set-current-plot-pen "Honest service"! @& Q% A3 Z/ d" k( E& E/ A
end9 F% k4 H, c. F: J$ Q; g" E
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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