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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
# ~( I) s3 _2 h3 s, u; Vglobals[
* U1 Q c! k' e5 S6 h5 Wxmax
7 D. t% t* V% lymax- c# {: R0 |, A+ D2 `! W
global-reputation-list
# M3 ~% J# ~" l6 c# ~6 `" h @9 p+ q/ {/ {6 ], c7 [7 H9 Y6 M
;;每一个turtle的全局声誉都存在此LIST中
6 K$ J$ _8 x2 j6 |/ U4 zcredibility-list
- a/ q% ^8 a- b, \$ f; y, s;;每一个turtle的评价可信度
% q3 O; V. l% f) P0 L- yhonest-service3 p: N- r: h! R( ?
unhonest-service
; J: N( v( p- r8 j$ ^/ i) boscillation+ z: o% F. r2 [2 W. V. p0 i* K
rand-dynamic& E# i L" a2 d/ |0 D* I+ q
]
; q3 \- R) K4 K% e
3 q/ D2 d6 p0 v% Oturtles-own[3 x+ A1 J4 b! J
trade-record-all6 {; m- g! g* M! H9 f7 J
;;a list of lists,由trade-record-one组成
) }! x5 O4 A7 H0 O# I( u# g2 ktrade-record-one
7 y" B/ q' t, G J8 A;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
: |& o, E1 a5 e D3 |5 \- E
/ `( C) _- d- I y0 K. K* [;;[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]], S% O) ~$ }7 k; C; Q% j
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 a; _% p: Bcredibility-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* s# v8 X/ B7 w
neighbor-total
) L* V* e5 @, M; h;;记录该turtle的邻居节点的数目1 D# B" t1 q( P8 d* A1 Y/ s
trade-time6 a" _7 n" r& O
;;当前发生交易的turtle的交易时间
4 z7 X, d3 l2 oappraise-give
/ ^8 A$ X! C7 I! j;;当前发生交易时给出的评价1 [+ X! I" x4 W9 z$ ^0 u8 Y) I) L
appraise-receive0 `! J. @8 V$ b. ]$ c. O
;;当前发生交易时收到的评价1 H0 M8 z% _9 u8 }1 v/ T- V! v
appraise-time+ b3 t* | P. g# U% f
;;当前发生交易时的评价时间) f; u3 d% a/ S
local-reputation-now;;此次交易后相对于对方turtle的局部声誉- v6 G+ @3 P! X$ A! u% K* I5 T
trade-times-total
* s; C; U. X2 x3 [, A;;与当前turtle的交易总次数 W9 ]1 c3 y9 R7 f2 }4 @8 ^) D0 P; o* o
trade-money-total; t; V7 ]: B4 d) ]8 j, m) Z
;;与当前turtle的交易总金额: _+ j8 k' [; s& H+ e$ J0 |; |
local-reputation8 i2 c* n1 i& m
global-reputation$ ~4 z# P7 }8 N- M4 r; f0 A1 U
credibility
6 \( d4 }+ t9 |1 W5 k& j;;评价可信度,每次交易后都需要更新
2 Z/ Z4 [, T( b8 n/ Icredibility-all7 \0 p& w* p; |; [* T
;;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
. B5 G: x, w& J; B' ^
" W9 i3 D6 E4 g! B3 w;;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
+ d4 m5 z4 E- g8 Zcredibility-one2 h1 D+ u# ?! t* _+ o
;;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
' M) D& |7 [. \! ?$ f6 J" iglobal-proportion9 G' ] B$ ~7 A& N: D
customer0 N A8 P7 ~/ T) R4 l
customer-no6 t. {4 Q7 H6 f. ~3 b0 c
trust-ok; T! J) F8 `8 X
trade-record-one-len;;trade-record-one的长度* S ^' s% q/ b6 T, H8 J
]5 S. P4 Q/ K1 C3 @; ~
$ A+ {& [4 e7 k$ c5 g
;;setup procedure
% R( ^ `) e9 E6 l
N7 A, _$ m$ F, g3 W" v$ G$ x, h/ \to setup
1 |. P/ q1 X+ ]* T2 j3 }0 |& Y2 m7 ^' @0 N
ca
+ q3 W; l; w% ^: U0 _/ Q$ O7 ?& |/ v3 i/ L, @4 E
initialize-settings
/ i- d, B) Y. Z: m8 C7 w# c. b1 |2 t" _. N9 }4 t
crt people [setup-turtles]
% t J) U0 _5 L+ D0 z2 s7 ]
5 N& Y! n8 C! m* _' B9 Y( V% freset-timer
! N, W3 @1 Z# c" I1 q* s+ E" i7 d$ f, H: Y; X* C. |
poll-class
/ q# V! J# K* i7 p; ?0 x
7 t! q1 Z4 o; R6 Y* S5 ~) |" @setup-plots: x9 N5 l- u6 v! Z! Z
' e" x8 ~9 @6 l6 L9 |
do-plots
% U M( i* E0 K' w6 j) Eend
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to initialize-settings
5 |% W0 {# X- N, b! z! F- O. g% o+ W q7 M
set global-reputation-list []1 z) K' p4 Z; I3 a/ `
4 y4 E3 |7 D2 Lset credibility-list n-values people [0.5]
7 b' J3 D: x$ u' Y( k- e" l6 K0 J* v; T. _9 X0 c' J
set honest-service 0
- r, x+ l; n# D% {9 i
9 O' d! H* G+ j, W0 n1 eset unhonest-service 0
- R/ `+ g. C5 j! S- c% d# l
6 ^1 s6 y7 u, `) fset oscillation 0
) N, N- ?% v G& ?& F4 h/ Y: {# ~1 T5 p# v
set rand-dynamic 0/ |0 ^! Z) w8 Q1 S: v9 l
end
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0 m5 P" K( |0 v3 A( F4 [to setup-turtles 3 n/ S! S8 `4 S: _) z
set shape "person"' l' E2 d, w5 Z) `2 s* ]0 Z' k& ^
setxy random-xcor random-ycor
1 m9 w( U Q( {# V3 H9 X, E& Qset trade-record-one []
, G3 w D3 \' m5 B# l/ A! B& D- w3 v9 O2 ^& k
set trade-record-all n-values people [(list (? + 1) 0 0)]
* K! U# @+ O! l5 _ J- x
; u% m2 [2 y0 Z }" @9 K/ ]: aset trade-record-current []
3 }2 S8 G7 t% s2 M ~' lset credibility-receive []
/ T8 K# v, ]* n8 G; P/ O3 o T; xset local-reputation 0.5
3 l' {# n- r7 z. X, H6 Q1 h2 | zset neighbor-total 0& N+ ^$ ^/ w" [; f4 O- t) F6 S; s5 q
set trade-times-total 0
3 Y. `0 Z1 s7 H" C s( ?% x( D9 vset trade-money-total 0
2 o! p8 ?, K( e, `/ x' b9 ~/ cset customer nobody
" N, L: m/ n. L2 `set credibility-all n-values people [creat-credibility]6 b6 ^6 ^& k# m7 `) ?! D
set credibility n-values people [-1]
( m; z4 C0 m: d* Wget-color
( q ]! i4 ?- `8 l, `" B4 y3 U3 E i
end
. S$ E- ]5 n# t0 Z9 Q, n" L% h8 w0 n, q( R
to-report creat-credibility
2 S j/ y9 U' w2 L1 L/ G& Vreport n-values people [0.5]
) f7 ^7 G" {4 U r3 Kend. N0 w* Z/ ~: L( a% V
) d: n6 B% X b# I1 ~# Y
to setup-plots& ]$ @) ~3 G' _0 t$ v/ W- I: v
: I: Z& v* i1 P x) oset xmax 30
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3 F5 d! H3 q# z {* |: O' aset ymax 1.0
! J" h% s' n3 F2 F$ E% N* \
3 C! j3 J3 ^8 m6 O0 pclear-all-plots: s( g# F; O6 W3 \$ T: ^, Z4 ]
' n5 ^- f7 n6 d) r( c, R" g9 msetup-plot1& l3 n' G, \% V6 Z; u4 C! u
2 H" H. U* ?! n* U
setup-plot2
9 N8 x3 a _+ G8 k" E) l# I A$ C& k# G: }* W6 s
setup-plot3
( w% u2 {' J9 {$ Zend$ C! H& A! u4 f! l9 A/ v/ {
" `( B: i8 h3 G8 t3 m# i
;;run time procedures
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& d6 ^/ ~: F7 H% F& J" Q$ ^! Oto go7 I# T H8 ]. w$ G3 s% m( A
- G+ _5 s8 V3 C" R5 rask turtles [do-business]
) H- ]. c! v/ |6 u/ H+ I6 J5 v" yend
( T+ ?, s; b7 y' X" k8 C- A d9 h+ Y6 L! b9 F8 \: y* V3 J( |
to do-business ( f8 ~6 k7 W) M4 c
" ~0 I& j: O+ Z5 c- c Y/ N1 {
- a8 R+ k4 ~9 k+ C6 prt random 360
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" ?9 e( H& B& X* l/ r. Ffd 10 Z; I; F. v* q
" j S2 N! S5 m! {+ @% W9 k
ifelse(other turtles-here != nobody)[! _% Y1 j1 ^* j" G0 f) E- D2 G
6 y/ O% W# V$ ~: x) \- R4 gset customer one-of other turtles-here! ~. h* p; m9 M: E# ]
+ N& }. z$ P) O0 i" P& I;; set [customer] of customer myself8 X2 }7 V5 v6 u
/ ]4 ?2 f. Q! L6 [% v0 |set [trade-record-one] of self item (([who] of customer) - 1)# d* s" u, V @& M5 b
[trade-record-all]of self! L6 g N l# w# }" q; O+ [
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
# \. Z8 E% v* g0 @$ ` Q' B5 @3 [& }* u4 `9 s8 a4 J0 _/ K, {' @
set [trade-record-one] of customer item (([who] of self) - 1)
0 X& w' [+ K. O( a1 U2 \[trade-record-all]of customer! J+ ?# E9 S% w" y
5 I. I, \) z" T3 ?1 pset [trade-record-one-len] of self length [trade-record-one] of self
) Z8 K2 l7 M* F2 C/ f1 `4 P5 E1 G/ }) t" b
set trade-record-current( list (timer) (random money-upper-limit))$ O0 A/ b+ a3 E
; Z4 |" b+ I/ E0 u, g) P% E
ask self [do-trust]
* W( r7 w9 t8 F: v;;先求i对j的信任度
. }) c: X, M# D, t T; _& x( I! F" M! ?% C X( H
if ([trust-ok] of self)
# w, X/ _+ S% x$ I) k- V$ K;;根据i对j的信任度来决定是否与j进行交易[9 [2 E) a7 X% [4 m0 O: [
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( ^2 d. Z& f" t
, H% ]2 P! ^5 A; x J[
, @3 X! m0 ^9 [ e
" U6 [0 R1 b) S( s, ?do-trade" h9 j! ]) g3 r2 c" ], C/ m+ b
- i% W5 _* s1 M8 Vupdate-credibility-ijl
$ Q; X& J) z9 h8 z( z
! ]8 h2 E+ N) U9 S Pupdate-credibility-list1 U7 t0 O% {! ^+ e3 l2 T* l g
7 }- R% j" |; n4 c' j. A% Z) c L* u9 _; j3 r ~! d
update-global-reputation-list
E; k1 R. `3 _" v
) W4 l1 g% a% Fpoll-class
; ]+ I) m+ E: q0 ?: h: q. B
. |# x1 r2 R( {' m9 ]get-color! m8 h8 W$ N2 M& r3 W1 W! q
: V0 \: y: }5 }2 \# i, p2 c
]]$ D. R5 Y$ w1 _- G3 M, Q6 J; g
9 E% t3 S4 G9 w) I
;;如果所得的信任度满足条件,则进行交易
. ]5 i: t) X7 |5 Z4 m
: o" n( W9 v+ S. E5 N# ][
7 P# c+ J i, g p: y+ G
" R" m+ {: L) Grt random 360- l1 I9 X2 N! [& m
, l( ~) H* R$ \6 bfd 1& K0 {6 |6 f. C P& g* N
% N0 b: o( l g]
+ @; M! p/ m* t* A& ] U9 D3 y. G/ r6 D& \
end1 y' U8 N3 g! g7 d8 }" }) N
5 \% e8 d) N' _% B
to do-trust * l8 y( Y. y$ o" J% e5 H8 F
set trust-ok False! c: S6 k# p' l0 M5 H$ Z1 }# b
% G" n8 p& ?/ i& @
$ q& y- J% {; L! T
let max-trade-times 0
5 j. G3 f8 g2 ]& ]! mforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
# K8 _1 W4 g8 F8 M; V0 f- A Nlet max-trade-money 0; }: _" z) v8 w: t2 R. ~
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
+ s2 L$ m. h( g+ llet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
; k e) n" n9 G
7 z! G& X: ?+ j) S. y( o* F) _; N3 }
get-global-proportion$ {( p3 j1 i9 {" P0 j
let trust-value
r# ], B$ F! Mlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
* B- P2 B" g. Z5 ~5 N2 K7 fif(trust-value > trade-trust-value)
: s* f" }. v0 B" h) k0 ^! F6 ~- \2 g[set trust-ok true]* v8 U# ?$ ~! O" t" A, z* A
end
7 g" ?, m% H( ]9 s8 T
6 ]/ V& L# J1 g% @3 J8 b7 u# O3 tto get-global-proportion
" W9 j- E$ y9 O# k F8 mifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)9 F4 _" M. N' C) M
[set global-proportion 0]
6 ~/ T- Q8 W9 h% W. d[let i 0. w! I2 Q) ?/ @! r$ Y. I+ @/ [" u" D/ |4 a
let sum-money 0 B) s g) \" J" z
while[ i < people]9 s# n G/ s4 I( G& z" A( n
[
, P' ~. X( u6 i3 u8 v" aif( length (item i
( ?+ b/ G6 L: t0 N# |2 a[trade-record-all] of customer) > 3 )1 g/ B }6 o' q/ w. _
[/ u; @* y1 r( M( O# ]. f
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
& ~6 ~/ f# B# c4 m$ p]1 \# ?- o7 I; H* p3 Q! I
]4 N" Q4 D2 ?3 B- n3 o- W+ J, ]
let j 09 p' p# x3 l& H; U8 n2 @1 ^( @( M
let note 0
3 b6 k$ c3 n- h4 U1 y% P' _, B7 Vwhile[ j < people]- H4 q0 f9 i- q( N$ J+ s
[
8 z* a+ ~2 Y T8 o& e/ Jif( length (item i8 p; [( W) j( W6 w8 F3 ?
[trade-record-all] of customer) > 3 ), K& ~! C; k c J9 F" `6 t
[
" H& P \' F# C7 t# Xifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
+ y' d) M" Z5 p[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
i m f% v1 o/ C5 P" N3 u[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]! M. i4 i- J. p& z
]
* o# X% f2 M1 a" a5 B4 m) k* o4 p]' ?- |$ d: ]# c
set global-proportion note) p7 s; F1 I0 l6 G
]/ O, L: G8 m+ }6 G; u8 ?/ d
end
5 X2 H" y4 n8 a0 x5 j) g
! l' D8 v# m$ {! I9 x8 W0 q' lto do-trade' Y6 w) f9 `( c
;;这个过程实际上是给双方作出评价的过程
3 v! U# \( f" b0 q) J+ Xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价' {& I- h+ M8 y. d6 I8 n
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
! F; j4 i! r: ^set trade-record-current lput(timer) trade-record-current) i, K/ c8 R# V! A9 {# M% j
;;评价时间
9 |8 P4 Y7 B; X v" H4 o1 x% dask myself [# q3 N5 B, x" [+ k* _0 a; d+ I" n
update-local-reputation* i/ E$ \1 F7 ^* ]5 d/ B
set trade-record-current lput([local-reputation] of myself) trade-record-current
9 A/ k- ~' h4 _1 z8 B]
" s; m1 I( Q: z5 y ~, z0 a' L4 {set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself8 Z9 |" ], ]* A3 V
;;将此次交易的记录加入到trade-record-one中
6 T& H4 R9 E5 A0 Qset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself). D* Y" F# S2 X$ G* @
let note (item 2 trade-record-current )# r. `0 q! Y0 Y7 g
set trade-record-current/ D+ N4 d8 T1 q% Z; e2 {$ h4 ^9 B
(replace-item 2 trade-record-current (item 3 trade-record-current)); S3 M6 W6 j# v7 _, x
set trade-record-current
" G* o4 V5 I/ E- ~: P3 ^(replace-item 3 trade-record-current note)% e* n( B, G. I" t
: H5 x" `3 ^$ ^; s3 z
5 {8 M1 u8 Z' Y x6 O
ask customer [, T4 W/ H% s% x9 Q) C
update-local-reputation) G8 E/ k8 X, I( e& s
set trade-record-current: t& r7 t% d- K& B- \, q
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : n7 w. w3 {8 p( N: E$ \
]# A5 `, ?3 q5 M4 c! @" `
& h) ?9 G7 Z! X( }
& M/ X5 h+ `; u( Gset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
& q( y- v* j1 S6 } k! k- ^- g5 T1 j5 M2 |3 T$ ~0 z& z
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)) g9 f$ e1 j$ _5 C0 G
;;将此次交易的记录加入到customer的trade-record-all中5 {3 {( h/ G& Q
end
& z( F" A2 T$ ^* ]9 L; J1 e% d! z; }5 @
to update-local-reputation
* |' D2 A* W* P# Cset [trade-record-one-len] of myself length [trade-record-one] of myself$ d. m2 e0 ^( B4 l& t0 o
; q# O' T9 o+ ?, R* ~8 _# W
: z, b. Z. S* L* a! Q1 T$ }: o
;;if [trade-record-one-len] of myself > 3 9 d+ R3 S& b! J7 B
update-neighbor-total
5 H, f% Q% ?4 C/ Q;;更新邻居节点的数目,在此进行; g8 M8 B% i3 B0 z
let i 3
; e. g- b$ @$ a+ K8 flet sum-time 0
. W! e5 F; c- I3 E7 Ewhile[i < [trade-record-one-len] of myself]7 Z$ @! f# O/ K- Q" T% v" C5 ~
[
: g2 |0 S" f$ s1 r1 y8 Uset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )1 w' I# L% ~* B2 H
set i
- W2 i' y( t/ H( i + 1)
3 B2 O/ w. Y6 V0 n; _6 m" k]6 i8 j2 A6 ^6 R5 ^" m
let j 3
( \: s0 P1 V$ `# M+ l9 C' Alet sum-money 06 O9 L8 Q7 p: z8 v6 x( `
while[j < [trade-record-one-len] of myself]+ L7 O* D# E! L1 {+ [/ e: x
[
. l" e9 u5 H. ^2 Zset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
: H4 I5 ?- G' }- y* ?: [set j' h) C8 b2 I1 x
( j + 1) y4 H! E( i9 }7 ^4 T R
]+ i! |4 E, W2 O: J' G9 d8 q
let k 3; H9 f: `! ?3 z4 o, V3 q# i
let power 0
6 H: B2 ]6 |, M; vlet local 0& r) q3 t6 p" i9 i8 Y3 J
while [k <[trade-record-one-len] of myself]4 s! j+ A6 i1 R
[
8 \2 M |. k1 wset 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)
8 p9 i& b/ Y6 z; Xset k (k + 1)
7 H) y3 o7 h. \]
+ G/ s8 X2 f0 @8 c9 n6 Bset [local-reputation] of myself (local)
3 I8 d$ w5 B0 `9 p" y; D. ?0 Fend2 F; Y! @; ?2 Z+ s- a
* ~; f' c" S ]0 j* K( m- N1 w
to update-neighbor-total2 C% M$ m- t4 [ C7 e
" w: G: d' D& X7 H5 gif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
3 T# \; J6 y$ p. c; g
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end
8 P. i" t( Y- {& w, ^3 D
+ d: V# H) t! P J9 Z) Z/ H2 [to update-credibility-ijl / `* m5 {3 N8 M5 e- R5 _+ g
$ M) {' z( J( f
;;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。
6 t1 u2 o" N2 _4 B! p6 Alet l 0
6 ^+ Y8 P- s+ [# u' y* K1 twhile[ l < people ] G9 `8 ^& J) h1 r* j! H
;;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8 f- {' `% ] l1 i4 E# m5 R
[
- K9 y+ C+ i } R( O. rlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
1 x6 h: Z! o( ^% b/ Hif (trade-record-one-j-l-len > 3)
: S1 m) G& d$ F[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( B6 t- {( V' A5 c8 u: k A
let i 32 R) C; ^$ k8 M$ l" a
let sum-time 06 s, u% a3 v# ^ r9 [6 n
while[i < trade-record-one-len] {) i4 o. i" S, E/ Q P S0 ~" f
[& X. l3 o" L6 n8 {
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
) |; W( Y5 M. K# `set i
! o; }. e4 \0 r( i + 1)
/ {4 Y8 P- r( u* s# p0 ]2 b4 H]
; X$ e4 f7 e+ a8 x" M5 V( K! wlet credibility-i-j-l 0% d8 ^+ @, t4 ?. x1 g
;;i评价(j对jl的评价)
1 t/ V( P& ^1 V" I' B1 W* F$ {let j 3
+ V, [0 h c: r7 xlet k 4
; N* e; d Q* v# Nwhile[j < trade-record-one-len]
$ J$ z, f; U5 `/ m% A9 d! o) m[
% l' q4 u9 N; O) Q/ i9 _ uwhile [((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3 V% g$ X0 i; }, D: X2 i* a
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)
, s# y! x1 O9 t' s3 ^; G" L9 tset j
- o; m$ A% Y1 h& x( j + 1)
$ }# A( G9 m0 O$ C, G, ]/ \; l' n]- [, X: S: h2 V- b5 G
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 E% _. h3 z) o' [" u
1 q8 ? O6 A: v& ]! l+ K# J. B3 o. f1 z
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
+ N/ X* Z& B7 a) J;;及时更新i对l的评价质量的评价4 k5 r+ A. x# b7 d
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
( m* y! e7 o0 m n. u( Wset l (l + 1)# j3 s7 x5 A& S# q
], H O# G- K! A* }) G4 _9 M3 [; N
end
0 j6 r; O8 T& o9 j3 [2 `8 Y
/ z/ c1 n" q! Kto update-credibility-list- B6 i' r: F! B ^4 m4 T8 F* p, d
let i 02 L) v8 \8 i' i8 o, v8 j
while[i < people]3 W$ l4 i$ k( C- P
[4 c; X4 W) e1 y
let j 0
3 v! }4 ?& P1 W1 Plet note 0
- V2 H4 e3 D! r9 H9 Hlet k 0* G- e0 o T* f' v4 j
;;计作出过评价的邻居节点的数目# y2 | t ?; e2 b/ f; i
while[j < people]: }- w- a! v/ ]; M' l0 H
[
. F" m+ U$ t/ D( Q' t/ j% \ w- _* s8 qif (item j( [credibility] of turtle (i + 1)) != -1)
- O' a0 o9 {3 m" p) N;;判断是否给本turtle的评价质量做出过评价的节点. j1 Y. t1 T! {
[set note (note + item j ([credibility]of turtle (i + 1)))# g; {' b( U# J( [+ b8 e6 |4 U8 n
;;*(exp (-(people - 2)))/(people - 2))]
, E _ v# M* k- s' Z3 sset k (k + 1): r4 v+ e m& t' p5 h
]( u! @* H# F; r( M
set j (j + 1); y1 a! i+ ^/ G, @9 U8 {
]: M' Q# ?7 Q1 M7 W
set note (note *(exp (- (1 / k)))/ k)
1 j7 J# Z9 Q% s1 ~: v$ j9 J. u5 tset credibility-list (replace-item i credibility-list note)1 N' O* N; j4 J& `5 |7 b b6 }
set i (i + 1)+ A* M( B# @7 o; k) v. C9 k
]" D J6 f1 f: e
end
|1 n; M6 i" Z) @* y, G% F
/ Y0 U8 v4 Y+ M6 G6 Nto update-global-reputation-list( j# z7 f* U$ @% W: k7 _- K& N# E, U9 \
let j 0
0 N/ ~" D/ w1 }5 r! m% L, d) `: i1 p& {while[j < people]
% ~- X! Q$ a! K[3 Q3 [& C1 x1 F4 Z
let new 0
- [7 o R5 t. q2 {+ B# o' B% o* b;;暂存新的一个全局声誉
$ F; p8 U. S" {1 c) q9 S3 Olet i 0
- ?! y1 I" X$ F4 `let sum-money 0
% m# s1 _0 [$ `. N( u# _7 f" N: Xlet credibility-money 06 i& F- Y& m0 `6 q2 y8 o: T) a
while [i < people]1 _ K( h1 C$ S( O8 z' u$ e$ }
[4 E5 N# C9 ^7 m3 m6 E
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
; N2 X: G% L1 x' \set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))# u* }( b4 o* b
set i (i + 1)2 s3 C/ U# r% b# B( ^
]
; J$ X4 g8 g2 ? A, Tlet k 0. m" Y7 J7 E |5 J M4 U
let new1 0) u+ _1 ~+ L2 V0 p% t
while [k < people]
" {: f" O" ^7 M: k3 f! B. v9 n[' J4 h w9 o6 J8 z( a+ u' 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)5 o4 R/ W5 |4 w v% p% T- ?
set k (k + 1)( l4 |( j! }; e
]8 ~+ b4 n: |, ~' N6 ], f) u! C* Q
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) # ]$ v9 o$ M1 N3 \% I
set global-reputation-list (replace-item j global-reputation-list new)
* g& I/ j- w3 Bset j (j + 1)$ j! B6 b( B# O$ Q/ v4 {
]4 b9 N. I# Z6 X
end
% ]- t: \7 V+ U, Q; R7 q- u3 u y
' W% l& H& v$ c0 G6 p* V9 s
- N6 O X6 S# Q4 \! ]" g8 s
3 M4 `0 ]8 ~( x0 _& I X" |( ito get-color
! |& |; J7 O, \* k$ S+ E
! T# \2 {4 q# X9 Y/ i% sset color blue
8 C$ d9 D" q- j1 d- a) ]end! s3 i9 A/ r( l8 {/ |
6 ?9 J3 f7 q- {6 t$ oto poll-class: ^& L" [7 `+ k- X$ H
end
2 s& Z( H+ N8 }
/ p4 Y+ C7 t; v7 L# H: }, }: Xto setup-plot1
. k" R' y8 i( o% s) ?+ S) ?. e) w$ H4 i2 D f7 m. ^9 L
set-current-plot "Trends-of-Local-reputation"6 s) w# h2 m5 X! b" Q# ^, \
! U4 |2 N# T( H, W+ H' J9 Bset-plot-x-range 0 xmax. c2 V9 Z. y4 L# c5 @% s6 s% t* {# L
7 V0 x. G% a! w( R Rset-plot-y-range 0.0 ymax' U& Y" f7 P" U. N: K; P) d
end
8 \1 i- \6 d3 B u6 @2 b. O# b1 s/ k, J' ?" o, q. Y
to setup-plot2
+ k" ?$ A' ~2 Z3 y1 T4 ^: U
4 a, @/ f: [! P0 c. Z" ] U- eset-current-plot "Trends-of-global-reputation"5 j8 F/ w, h$ l- ]
: \& s. m! X% C: h( v3 f' h! z( Hset-plot-x-range 0 xmax
1 T* A( g0 R! r/ T/ G2 {. g4 Z+ r/ h/ W: e
set-plot-y-range 0.0 ymax2 {# H9 P2 U! F4 `8 k
end
1 |+ [; Q$ I# v1 g& p, v4 H" P) @' D: U% p- Y; p' ?% }2 K" A
to setup-plot3
x9 o2 ]" O" u( W! j# v( R% ^& q. F, |5 Y0 ~4 C+ @0 F7 }
set-current-plot "Trends-of-credibility"9 A' ]! d: l' j3 D
$ s) }0 Y x8 \; q! {2 Mset-plot-x-range 0 xmax
8 K# P( z2 I T1 Z1 _1 h5 m+ G9 O& @9 f1 K: e$ Z' V. J
set-plot-y-range 0.0 ymax
' e. E1 e/ x) p( ^7 @# fend
2 I3 c, X+ Z* @1 e$ ~) E) q4 m' x# @( y5 r h$ z
to do-plots6 M) X- O* k( n$ Y/ N
set-current-plot "Trends-of-Local-reputation": i# p+ g1 }% f
set-current-plot-pen "Honest service"
/ i3 s5 x1 ^0 O$ s7 @end
' R$ Z( F7 B4 N7 @" K6 E5 e& Q& Y- `* O
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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