|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
+ s8 j, x% P: b: V* r, Xglobals[( z; J. y6 A: M( `) K6 E/ }* r
xmax& v5 y" U8 ~) L1 ~0 d) k
ymax; X/ ~0 `5 R1 E9 J3 k; K, p
global-reputation-list
# ~0 C+ L7 Z5 y- q
! @6 D' _ H |;;每一个turtle的全局声誉都存在此LIST中
9 Q4 w( V9 S. r& L9 d$ R1 {% ?, ^credibility-list/ j4 p' T0 U6 L$ D
;;每一个turtle的评价可信度3 W" [' C! F5 h. D9 b" p! c5 B
honest-service
9 Z4 |% } h; L* \6 o2 Sunhonest-service
5 K& ?9 r3 F' T- P4 G6 P7 V$ foscillation' ~. C% L9 `1 v f- E# G1 O" J
rand-dynamic* ~# Z6 |) Q" D+ D# U) r1 L0 ^4 C
]( m" C4 e: D) |1 v& u
# ] s1 k8 R* j; B
turtles-own[
; N' Y+ `" r: m; B: ftrade-record-all
, B# v, K6 _% j a5 M;;a list of lists,由trade-record-one组成" b6 k% F3 u# T! _
trade-record-one0 U+ K+ L! _4 j( ?/ N. @' T
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录# |4 I4 p) G) g" E# ?" ~2 Z$ _
. _/ \$ Z' c- p: z0 w' w;;[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]]- D4 A; r7 w5 i- r& j& f5 x
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]$ r( v8 t( U& J: [0 E/ ^& z
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list5 F# F+ @; G5 N1 ^: a9 T- F
neighbor-total
9 E7 L7 {: h2 I! N5 F2 H;;记录该turtle的邻居节点的数目* H; P$ Z, {0 \& m+ s, l8 f4 n* W- ]0 F
trade-time
) _) N$ X; D3 e;;当前发生交易的turtle的交易时间9 m' \3 \; t% P
appraise-give
* j6 z5 Y3 M! Q;;当前发生交易时给出的评价) d# X; X. J) p, R: Q3 R0 D
appraise-receive
" o" e* Q3 N* l% C4 n;;当前发生交易时收到的评价4 J' c1 ?2 t# p- W/ e
appraise-time
# b5 E2 K6 t( p K9 o1 [;;当前发生交易时的评价时间
4 O$ a( w) b& v+ ^) m; Glocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
1 m9 a8 M- R0 dtrade-times-total
8 a# Q1 C; f) D4 [: B y3 E;;与当前turtle的交易总次数$ N0 {; _2 F/ }% b
trade-money-total! A% x; A" j# v7 g6 k* \
;;与当前turtle的交易总金额
0 D! C: ^, j# C; X' `local-reputation5 u8 h/ e& Y+ j% P- w9 n
global-reputation6 ~2 O( N5 ]1 p2 E- s7 `
credibility# n' }% f {4 g! R
;;评价可信度,每次交易后都需要更新
. o7 m! u* W6 n3 ^0 ~- Rcredibility-all+ `* ]: u y% F/ M* M/ \
;;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 d( E6 c7 c- H
* b E: u# F9 T8 Z) h& j;;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$ V. O1 ^: B/ i5 K0 }! {. g9 c0 U" e
credibility-one
8 J8 ]7 ?9 {; a( 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9 X6 }# e8 `$ `6 ?& E
global-proportion
+ s. y. `/ Y2 \' ]customer1 I3 q$ _3 h3 L) |6 T9 e
customer-no+ v- Q9 j2 H H2 |6 w; @" ]# \
trust-ok) z+ i" u8 O7 S+ p0 ?9 l `
trade-record-one-len;;trade-record-one的长度3 Y0 X$ [! \9 ?1 f0 d9 Z# C
]
. ] e2 `! U0 E- W. s( G
1 @3 S3 h9 i8 X;;setup procedure+ r8 M. f; b& @& a& _
* p+ ~1 {! Q/ M3 d% L6 Jto setup" B& ]$ g9 {0 q w( a/ \
( k. @5 _5 }. E1 Q! a+ Q+ pca
7 O8 \( V" d, b |8 k. c" s) O8 `
& h* n& B- o, g; H6 dinitialize-settings
' q2 W" _* e- K9 V
" G' }/ V$ t2 z( P! n, Y4 mcrt people [setup-turtles]6 K/ a$ j7 Y$ z% F4 C
5 R. r+ A: }4 ]: S% K* H" q" areset-timer
& r6 L3 X- A r) g* K- ]" u1 z u( |, G1 K
poll-class
# N+ l+ i0 D8 Q( `' x# H
- g; t4 J+ c1 v) i; e% ssetup-plots, s$ \2 c, X" P z0 I) T! _1 M
2 s! S/ C" ?7 b) A+ c4 _/ p, gdo-plots
) W5 i' W. x3 g' t& W0 B$ Yend
+ e; c. B; k. @1 }, x1 K, {* U" w. E( y0 ~2 P" k: ~: Z6 X" ~4 a6 @' n' c
to initialize-settings, l9 L" ^0 d. }: E) B
& m! Z7 b3 Y5 U& L* W- H9 U
set global-reputation-list []7 R9 x9 b( a4 Y$ \" U- _
& B6 S8 {" O% R( l
set credibility-list n-values people [0.5]; f' }/ ^. F3 h p
' p' V% E& e' @- O4 B
set honest-service 0
* Q( `' \8 K9 i" c F- h$ i0 H6 x" m. O+ p: G- R d# c6 j$ [/ X
set unhonest-service 0
2 g8 N M9 N9 n m1 e: M# v4 n. W2 E1 u0 a4 D/ s/ G6 @ }8 M
set oscillation 04 S& w$ J; ^/ x1 B1 q9 A/ G, B) Q9 S
0 S) F6 }3 n- P. A. O$ p& c
set rand-dynamic 0; [. Y, _5 P5 ]' j
end/ h) }% v+ V7 C6 _% r
) F7 n4 Q; \9 f e i, J* M0 m, J7 I
to setup-turtles $ ~6 D: k% I; [: r' M0 w' U2 X
set shape "person"
8 }0 T& q- g6 c* l( csetxy random-xcor random-ycor1 ?; C! `8 _3 b1 p2 U" L9 {8 s
set trade-record-one []
+ w- {; k/ e: a
4 ]8 |1 x! E' Aset trade-record-all n-values people [(list (? + 1) 0 0)] 1 }( T9 i% m4 s; \# j9 R$ A; g& E
8 `2 X# M' k3 J0 k* Zset trade-record-current []
8 ^' i' ?/ M( \6 S1 V0 ?8 }set credibility-receive []
7 Z' Q& g- x* n# R4 xset local-reputation 0.5
c8 F* q3 z( C4 fset neighbor-total 0
$ F! v P* s; Jset trade-times-total 0
: ?& i% p% k: D/ z! nset trade-money-total 0
5 L2 Q7 [0 l9 t" h8 @+ u/ ?set customer nobody V( u. P9 u1 Z6 [! q/ y- w0 c
set credibility-all n-values people [creat-credibility]
E+ j+ F; y; f* @+ k/ kset credibility n-values people [-1]
% n/ D, b" k0 V$ }/ p( rget-color
: P3 a# o8 Q1 a8 k+ F8 L$ @* _8 A5 {# @: _$ y+ b' c
end, R. b5 {* u! {6 n! E
$ v2 w v- a# A J6 z2 ?to-report creat-credibility) n0 Q8 H4 n5 }3 u+ d1 [5 |
report n-values people [0.5]) d# c4 S2 G: ]1 A% R F
end+ A; ~& M4 @9 }2 S/ h: f5 U
. Y8 M/ I7 s9 D6 X# {2 L) yto setup-plots- }* h+ O: D; K: j( U1 I# F( t6 }
( J" K! E7 n, k$ y8 Cset xmax 303 [% Y4 n( C3 N% ]
- K# Z. J$ P# N6 V' G$ V6 Jset ymax 1.0
( i L+ p, U& _8 ]- l
+ I7 R6 Y" p/ j1 Q& G+ k4 Y; |clear-all-plots
/ t- M3 E1 K, o3 W, V5 |% W8 ?. {* C8 H2 l
setup-plot18 C8 ~& D: O' y' S) q3 U& G
+ R4 u* T! c$ }0 Q/ d8 ]) asetup-plot2' d! j4 t$ u5 ` A( L& {
2 c! y) `6 y& m: {$ Z: ~
setup-plot3% C$ E* ]; |% f" F
end
% H" T/ ]; R) b5 G6 Z" q1 T$ ?- [# {5 @: ]/ Q% E( ~
;;run time procedures5 \9 `/ r$ a: R2 K5 p& e& F4 r p
/ Z* N9 y1 C T+ s- A) E2 Jto go4 \5 K$ T+ X" e q
9 ?% b7 ~4 w& y- T! l
ask turtles [do-business]
n# ^/ Z3 I3 g5 G" A% L3 T' Dend
7 t. k- o( W8 l7 K# d* e/ G5 f7 U4 K8 d3 l
to do-business % {* j" J7 Y5 d! L0 `
' g4 i' `: [: M: t3 m- E
4 n) x/ j# `& G) o& h! U) a8 R/ [rt random 3601 y+ Z; w$ V8 I
4 |$ c$ B# F# k3 H R0 Y7 i! }fd 1
0 `! U5 W3 L, L3 n
2 j5 C2 c% Y4 ?ifelse(other turtles-here != nobody)[0 t+ Q# F* J9 s
9 r4 y7 q4 E# a6 r" }; T6 R7 W
set customer one-of other turtles-here
6 p$ d: d2 Z; ]4 ` c( Z- v$ Y# r/ X+ I) d* X
;; set [customer] of customer myself
6 r: p$ s' Q0 d2 } x) {$ f# V
0 ~5 g, s* H% h* x8 a. Tset [trade-record-one] of self item (([who] of customer) - 1)1 W# E) X! V G6 g1 Q; z% q
[trade-record-all]of self
. R9 Y; Z% W0 ]/ B;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self: W9 F$ n' u% B; X- c9 k
: A& Y2 m$ q$ l. A" }; z+ G" qset [trade-record-one] of customer item (([who] of self) - 1)
: n Q8 t4 @8 H- \9 b: x[trade-record-all]of customer! b- T1 g: j7 u4 Y! ~9 W4 T
$ g) U( j; r, W. l
set [trade-record-one-len] of self length [trade-record-one] of self% i4 G% V8 X, O" S
/ |9 P0 ]5 B Q5 J, U S0 l
set trade-record-current( list (timer) (random money-upper-limit))
3 v- d; D! ]$ o6 Z& @2 V7 r w3 d$ `1 t$ h8 v
ask self [do-trust]3 N0 o- _) J- W+ S8 u" x
;;先求i对j的信任度
+ O* S1 P5 S1 u" E) G: X
) }' E& U# {* h2 Dif ([trust-ok] of self)
3 x* S% \" F0 u0 a- B;;根据i对j的信任度来决定是否与j进行交易[
9 o+ X- s f" A' mask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself2 v7 n0 _4 {4 P# T% A1 p8 y
7 B$ I; N7 @* v
[3 w# s2 i; A2 l
8 j/ Z* @ S- Hdo-trade- m; E4 V( ^- {# M0 X8 W
2 ^: g2 s8 a1 ~update-credibility-ijl
( G$ t. ?! A4 s: z+ [: [5 u8 M( g2 A/ Y7 z, Q
update-credibility-list, h( T% q9 r0 d7 W2 W% e
' z o) l, @6 \7 @ b
& s- r& P: w7 i( |) k+ kupdate-global-reputation-list
" ?; W- U* D) [. x( G+ M( M9 V# O0 w' t$ S
poll-class
( q! e; \- Q( T" d; } a0 k' O% M' G0 w; C9 a3 R( @8 Z) w0 x
get-color
0 Q' V$ r! I. p, r6 I6 a" ~( v: N
]]$ u. w7 X3 z4 B6 `! _* M" G- c
/ O2 l5 P' Y; O
;;如果所得的信任度满足条件,则进行交易
) k5 l5 d5 ?' P8 {2 o
- X7 e* |8 A0 d/ R[
/ ^6 g1 O7 v! H# q: { z A3 N8 c9 }8 x9 ^+ l
rt random 360 T6 {; W9 ?/ V$ x
* [6 x3 E! q+ x! Wfd 1
# z3 m# c9 n2 d6 ^( B- M) q# ^9 ^. W& M. l
]
& _+ s$ s7 u; R9 F' @+ D- U
: x+ T9 q' o6 Lend
* Z2 O$ j- n0 A5 e* u9 s
# ^/ [4 P0 u6 Tto do-trust ( d1 v3 T& F; {8 R) G6 K
set trust-ok False1 W! d: L( \0 V7 |! c& F
7 Y! d y, a( \) G4 K. c+ K. f
- d1 a7 P$ p* R1 t% A
let max-trade-times 0
3 x: U6 R1 p1 o2 Z" T- u3 Wforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
0 }9 l" e) k3 ^! h: Rlet max-trade-money 0
5 f1 w# P6 z) C- L/ Dforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
; d- k/ w) v8 U* j5 P; h. Nlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))/ L; c2 r& |1 s( D; Y4 L
) N# Y7 A! F& n
& h& B/ ~1 W, M' T; wget-global-proportion
+ s+ @/ s" F0 g& x9 H' D4 dlet trust-value8 U# I9 i1 Z. [9 o6 b; H5 Q, |
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
% v1 z W8 C7 Uif(trust-value > trade-trust-value)
' ^( U* m9 H% n2 C: j! W) b# K: W[set trust-ok true]6 \# {3 T" v$ M; t7 g o
end
" F1 [% @8 E1 a/ ^) i" t) W$ V; F' Q' O% e% n1 w
to get-global-proportion
) Q- d' c; Z3 ^- ^2 difelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)5 a4 f) z: ?9 x, G, H
[set global-proportion 0]9 Q' a8 b% B I L
[let i 0! B0 b( h1 ^9 ^# ]! Q
let sum-money 0( v, S+ x7 H- B# s" j4 `
while[ i < people]4 v! T' b2 @- Q* m2 ~6 @+ ]
[
9 z; j1 z [: _' u' v0 ^9 {if( length (item i
. Y0 h3 I3 E9 V5 H$ H8 b2 W( [, ~[trade-record-all] of customer) > 3 )5 W" y: z3 Q. `. M* Z8 C
[6 m3 y( k- K$ F- y) Q1 ~1 F% c
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))% K! W, Y* @ [& ?) q& [( \8 G
]
2 D; J) d j" M]1 w2 R( ^9 \* U# z* u) [7 g8 ?3 d
let j 0! ^% c* D B- P2 Q$ Z- Y! B
let note 0
" e$ q& W. z. g, ewhile[ j < people]5 J2 c# K; Q2 ~) i; E% {+ O3 s
[: X+ f% y) z0 L* e- B" U
if( length (item i9 P+ k! h9 m3 h8 i
[trade-record-all] of customer) > 3 )
% r/ l8 }9 }" ]# u* K[& J- v3 |' J5 B7 N" E# Z
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)- w$ M9 L" C0 b, }$ P# e- J4 B6 S8 W
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]1 N2 ^9 g! ]6 n+ F' ]
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
! w# c# b# L6 S" P5 T]
. s4 d2 m* \. p6 x]3 Z7 ^4 Z( u! t
set global-proportion note
1 y3 {8 n4 E, _]' p y% {7 h4 w6 `3 V! q/ Y# S
end
4 D, [5 e5 W: D% [: O8 S7 `
% N5 r) e ^( x3 Vto do-trade
( N5 [! u( a) N2 ~( f$ T;;这个过程实际上是给双方作出评价的过程. Z, G/ n: L/ j1 Y3 A; S _
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价& v; ^' b n/ q% n& Z/ U, G. N
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价% F2 b. k; G1 j' [' ?' N
set trade-record-current lput(timer) trade-record-current+ }' b+ Q, q- t
;;评价时间
" D$ O$ j' y: X: x6 ]% x& Cask myself [
4 ]" c/ G. i7 j; Gupdate-local-reputation! z! V& J: F- h; b, r0 t, C$ ~
set trade-record-current lput([local-reputation] of myself) trade-record-current8 b& @) c* i3 O* s5 W3 g5 n8 [- t% o
]
+ Z7 r% A. N; gset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
7 a+ f* I8 ~ [8 y1 W" @( I;;将此次交易的记录加入到trade-record-one中% [" L" Y) L( M7 ?/ T
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)$ n3 D( P8 F- ~# j" Q
let note (item 2 trade-record-current )$ U$ E# r7 r9 x/ R2 `. E( S# I
set trade-record-current
/ {, J; F9 y, u- e& P Y1 o& U(replace-item 2 trade-record-current (item 3 trade-record-current))3 W1 v3 }, d; x
set trade-record-current' ~% S4 B* y j, R+ _
(replace-item 3 trade-record-current note)
+ d* J" ]$ e6 `, G0 `$ ]8 |
5 I5 _$ Z3 j. I& B
# q6 m( @* P7 k8 i3 bask customer [! {1 [8 ^8 C0 b3 c
update-local-reputation
* b& _. S- }3 P$ z1 @# zset trade-record-current$ ^7 Z" m) ^/ r" `/ ?, P
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 3 N8 f( m. u1 [: E+ V4 \: e& B3 B
]. M/ Y2 l) E0 K: r: J
6 ]7 v+ g" k7 U0 A
" @# E# S* |9 _set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer2 O7 O: N* ~. f6 y3 U
0 i) J2 |6 z* _- T2 ?set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))$ i) ~ J# h2 g$ @/ `
;;将此次交易的记录加入到customer的trade-record-all中
, c- ^/ {4 }/ J+ Y! |4 v( Aend3 n* P3 [6 o q/ K- B. H8 B
/ O# y. M7 b, tto update-local-reputation
2 c' m# p1 L( _+ ?+ l" J c% {2 wset [trade-record-one-len] of myself length [trade-record-one] of myself6 q0 U. i$ `) J% f/ ~
Z. \6 Y9 C! u4 v6 ~* u$ i) O1 X! \& B8 T. Q
;;if [trade-record-one-len] of myself > 3
, F& d Q4 ?% Lupdate-neighbor-total; D2 F, F0 n' o5 |$ ? @
;;更新邻居节点的数目,在此进行/ |* h1 H. C( B5 _2 Z
let i 3
, m! n1 U' W. c6 s f; Llet sum-time 0
# p3 w! K$ i6 E c" k' N- c! O( Twhile[i < [trade-record-one-len] of myself]) ~4 F, F+ ~0 L0 Y+ u
[
( ]* t/ @: M. u/ M: U4 S* p! Wset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ): U+ e4 h* X; d1 `0 A
set i
$ u' j- z, D! F' Y D! J( i + 1)
9 [* [( g K2 | I" N]8 H9 y- x& N9 c. f h1 l; l' n
let j 3+ w7 j8 y/ \5 b2 s6 F: y. ~. P2 y
let sum-money 0 d+ }$ u! R& Q$ k# n) f, q- t; G
while[j < [trade-record-one-len] of myself]! E6 E2 S S# O+ w1 h
[* T8 c9 X! `; d6 d9 L0 `0 ~
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), V! s' O* H! C- A4 D
set j; o2 S" n; _) M
( j + 1)* v+ L _2 r$ n1 _" Y7 _( a
]
+ H( Q( B" S+ _/ r, u% e& U" ylet k 3
1 B# Z% Y; ]: D3 U" O; Blet power 05 G2 j, N% {' r6 X% P- @* r
let local 0
/ d2 {8 {* }3 J9 hwhile [k <[trade-record-one-len] of myself]5 h5 M" v; Y# h. W$ o4 `
[
) U% \$ r8 `+ vset 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)
" r9 w7 V7 E; [* eset k (k + 1)1 P( N# A3 b0 m/ G) u
]5 x4 W8 W# |' p: J$ G
set [local-reputation] of myself (local). q2 w8 |0 `9 n$ d6 |# e8 e
end' I: @9 G/ Z# M8 e
. X4 S/ e0 W3 s+ x1 @to update-neighbor-total
; t4 }. U2 v7 U
4 |7 y- c: f" t Lif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ], c0 L: ]: {- _, d
5 ~( ]5 |6 P9 L' i0 H8 C: C, k$ @
end0 v5 H5 p2 R+ H. d7 B- ~
3 h/ t) i7 Z' h- `8 U7 `to update-credibility-ijl
' E! P+ @7 x9 @5 a0 F! ]1 h( T+ Y5 H0 T& s
;;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 _4 m( ^5 O$ d8 t6 O1 j2 B; Ulet l 0
/ K& q* Z# a4 dwhile[ l < people ]& C; E( k7 D% Q: a0 ?2 d
;;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# a6 o2 j/ G4 n; o. v( s, ?% a
[9 E/ O4 Y/ G# e9 d7 S
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
0 C, u+ b: d& B7 a6 S' b7 o/ F! e! O$ qif (trade-record-one-j-l-len > 3)
$ Q. \" e8 ~2 y[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
9 j; V2 R( j6 f" `/ K+ e. xlet i 39 v6 ]( D5 y- M. e
let sum-time 0
( Z) ?; x- b% gwhile[i < trade-record-one-len]
- r% m" [' l3 L[* f L7 S1 u2 ^: c$ a" k+ I/ }' W/ l1 d
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )5 P4 ^+ y" s/ K U( g: Q5 D2 g7 ~
set i- E9 |, D0 c$ Z, H z" C( T: ]
( i + 1)
% |% ~ a( [' s: Y]
# n. n1 w" H1 ]; ?let credibility-i-j-l 0
" @( N: l/ Z, f# U0 n0 [;;i评价(j对jl的评价)
/ q" }* I/ t5 y3 Q% l6 Olet j 3% s5 K0 c$ Q# d8 u3 t3 ?/ R3 s. ]5 T
let k 4. I; c9 s% D- F
while[j < trade-record-one-len]( T5 B. L$ [* ~8 Y/ Y2 v/ k; k8 G
[3 D' W+ y, O$ _$ E8 u. _
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& p$ {0 H; Z' X7 B
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)
0 [0 `' Q1 f2 m/ Q5 }" lset j
, S# P4 {6 Y. c& `* l; f( j + 1)4 h; [; `8 J+ [2 Q R& _8 U
]
# X/ U0 r* N1 f7 S0 z7 Hset [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 ))" i# h5 w- ]9 l
' }. k3 ~' M5 G; n4 N. A
$ g* K ^' n; M, i# O5 Flet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
# O2 @) f8 s2 F" x5 t6 x. U;;及时更新i对l的评价质量的评价5 _, Q% w6 M) v) J( G9 B. m2 D7 k: M
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]4 E* T& c& X& Z7 D
set l (l + 1), Y) m' y9 v: c. @
]' s% S8 y8 t* y1 S9 J! S- Y2 m$ |
end
% A) J1 ~7 |+ P- T
& g1 J4 [; S% \5 B- Z0 s4 Yto update-credibility-list& g3 k3 W' n7 h, Z
let i 0
; C+ x* D: ~& x7 i3 a. dwhile[i < people]9 {6 g7 k! V' v' x) i9 I, c
[2 j) E9 C! m& |& C. u# M5 a; R# ]" J- Y
let j 0; m- \3 ]( u# b+ w. K
let note 0
) F1 y' ?: _- Z7 Vlet k 0
! p @( @* Y' k7 l5 C w& U;;计作出过评价的邻居节点的数目( U! t G0 C% J6 D
while[j < people]
. v3 N/ ~1 I9 v7 Y7 \& S) w' ~+ t* k[ V0 c! x/ D, X; H8 i+ Y* `
if (item j( [credibility] of turtle (i + 1)) != -1). r6 W5 ]* G" y6 `
;;判断是否给本turtle的评价质量做出过评价的节点
( { {! J, u' U5 l[set note (note + item j ([credibility]of turtle (i + 1)))
/ w! @9 d8 ]9 Z! Z( v;;*(exp (-(people - 2)))/(people - 2))]$ O; F4 k2 Y& w F# F0 g
set k (k + 1)
8 N7 Q |5 \, o n]
. u: p; i8 x* Zset j (j + 1)
7 [8 A1 L/ U c3 A; f]
" k0 F" G7 Q: | K/ c) J6 z% |9 |- Pset note (note *(exp (- (1 / k)))/ k)
4 Z* Q- j4 H1 ?$ n- D) S, R1 I! S" Y/ Rset credibility-list (replace-item i credibility-list note)
) d* h; r$ n; \) dset i (i + 1), g9 M+ T. e4 E( l. U$ f
]. ^! x# R9 W8 Z! I( T9 @. n
end* ~" N7 y s* H; P4 b3 J \
: a0 x D& S2 G" Y) Eto update-global-reputation-list. m5 @% E& f! W0 q
let j 0
& o& w0 j" m. I4 c& N* Vwhile[j < people]" \1 m# z, c* [, Z
[
5 x. v6 L2 X; A; I$ D) y5 v% slet new 0
. \2 I! v4 \- w3 O;;暂存新的一个全局声誉! Q- [8 }5 g1 V2 _% ^5 d
let i 0
+ z6 ~0 Z0 _% }# nlet sum-money 0% l8 L. ^; _+ N% ~
let credibility-money 0
0 E. f; Y2 B9 J4 Y4 F% C0 mwhile [i < people]# J: J2 ~! `% j) w$ g5 ~
[ D6 T1 y, I/ S/ V
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))); ^3 H* U; a6 l
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
- Y1 o# B4 R, b2 g, Y; A! X9 uset i (i + 1)5 [. X8 ^$ h- l7 r9 D1 ?9 l
]
2 N' G9 G" _. |let k 0
) p% _: o& G, R+ h/ P1 jlet new1 0
0 E' N" d* V% A. u2 V7 s1 v) Fwhile [k < people]% d/ b8 P& e, \5 s' _" {
[
" U6 L5 F0 e, ~5 Pset 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 E& d6 z# Y- d2 |
set k (k + 1)
5 s/ S# W" x2 D: O- M9 R' F]1 x" i0 L; [& v
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
4 b, `0 }6 S1 zset global-reputation-list (replace-item j global-reputation-list new)
* |$ E h6 k5 s; X4 `$ [' Rset j (j + 1)
) w2 Z3 r! W w9 o, d/ n) i+ Q]; ^5 {4 g' ?. i) j4 }8 O1 R& q
end0 l' D6 s$ U0 _2 j) H# f
' h, ?- G2 ^& a& p4 e( L T
- z( `/ k& S$ X% U) K
% @8 p, r$ [9 S9 I0 sto get-color% O& }' W7 V! N2 a( Q
0 G+ ]# k; ^5 l% t1 {set color blue
, ?" n! p$ x5 m$ Kend
1 i1 t8 J- C: z4 y+ A5 i* x* @
6 K n, A; c0 I3 m2 U O+ lto poll-class
6 ~9 ~4 J4 a3 v W' w; {# `end
# r/ H! o9 k( f5 r. ~
. [, T: `; T( r% N- X$ Yto setup-plot1 q- A2 N) j* s4 y% l" H
* a# y! B0 O! `6 n, l+ {5 J9 a. V
set-current-plot "Trends-of-Local-reputation"! t' c1 @& Z& N _+ [- q1 v* Y/ x
3 x0 z: A) B0 C/ r+ q5 U
set-plot-x-range 0 xmax
# b( [; ^% c; t: |6 z/ @3 B" G/ w$ m) ^
set-plot-y-range 0.0 ymax1 P5 u6 G; X. a- K+ w
end
4 H! D- ~# z% T+ F, u; `( y0 l; q
% I2 p9 o" D! I- O) P1 rto setup-plot22 y1 e2 G9 n, h$ T" r0 {
4 M, x1 @5 N8 J/ P1 e+ n! B
set-current-plot "Trends-of-global-reputation"# X4 [4 c5 p$ j) L2 o& ?5 f8 o: Y
% j) m; @! s2 @$ z5 \ M, _0 `" s$ L$ s
set-plot-x-range 0 xmax) p4 y- t& S6 t0 Z* M: F4 W
$ k/ [" {9 H! [: k) n4 fset-plot-y-range 0.0 ymax
' x7 H! o0 B% ^: O! rend: d0 \+ a8 H! o( |, o ?0 ^5 ^/ @
' r. N7 W% E6 F1 J# d/ Bto setup-plot3( [' y( B" W4 B' V5 o/ h1 h5 R W
4 C( i! k9 |8 D3 r& u$ z/ c) P' f
set-current-plot "Trends-of-credibility"& S! l3 o. s5 H( ?$ i
6 p( T3 ^: ~' ^
set-plot-x-range 0 xmax
" W' K9 }% f; V1 U7 a1 A* u
* K3 ^. F# ~: X7 Q" `9 z( C' gset-plot-y-range 0.0 ymax$ i4 H: d+ Z! j4 ]7 U" w4 s) B; g
end
# O! V6 r* ^, c! V; a0 Z# _
* X% M- Q2 `- N8 wto do-plots
1 X! d- X% o3 z% M6 n' e7 z: Vset-current-plot "Trends-of-Local-reputation"
5 J0 I, S4 e# `7 rset-current-plot-pen "Honest service"/ _8 `: t' j: A2 B# t, A: ?+ V
end
. U T; J- }* V' ~* t) r. M& j0 G! x. Y* j
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|