|
|

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 {8 @, N- ^/ ] `globals[
3 m9 _2 Y. s9 |+ u) a$ y2 Jxmax: x" ~* [- D0 N' r/ e% r! |
ymax+ G8 v4 E% z1 L# _7 s1 J
global-reputation-list
- L( a$ d) e8 x$ J) [+ }" T- g( V) {2 V3 s' A
;;每一个turtle的全局声誉都存在此LIST中' f4 `. ^0 ?% S8 p! p( Z1 ~
credibility-list! a: t' ?7 U$ k- f5 G3 A3 Z
;;每一个turtle的评价可信度 J$ l. }, Z* e5 ]- \& m7 x; a F
honest-service# L% H( y! o0 M' \( u
unhonest-service
4 l X/ _% z" n0 ~# W( u2 loscillation
" _' I, t! Z/ | z) w7 jrand-dynamic- Y5 {% J* j: G0 Y# ]' V
]9 [5 S! b' L' }% y' r! ?
. y$ v7 O% R% }7 r# Oturtles-own[4 y d) N0 K1 c/ N, }* H; T
trade-record-all2 ]4 G' j7 k8 C& n
;;a list of lists,由trade-record-one组成8 }! D/ @9 y$ E, m" b5 X- p
trade-record-one- @5 _! d, v; i0 k: G0 b& X
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录1 q* F. u4 X* I
, I; o: i9 I& u3 C6 F! R# };;[对方turtle的编号,交易总次数,交易总金额,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]]# R2 o0 N2 K6 V" [; `1 e; T9 D
trade-record-current;;list,trade-record-one中的这个list,作为暂存用,[本次交易的时间,交易金额,得到的评价,给出的评价,评价时间,此次交易后相对于对方turtle的局部声誉]
3 k- }( D9 L& l, w$ O7 P6 L2 Hcredibility-receive ;;list,他每个turtle还需要有一个存储其他turtle对其评价质量进行评价的list# r+ j5 Z0 j# e9 J! I( e! U
neighbor-total
/ M8 @* }3 a& _, r" x8 E K;;记录该turtle的邻居节点的数目% O' A, Q1 Q3 b, ~8 H
trade-time) I9 i' \9 j6 \) E$ e' t
;;当前发生交易的turtle的交易时间
; c, i; U3 ?" A% N3 v8 \appraise-give
. h0 F* r1 E" ?/ ?% E4 n;;当前发生交易时给出的评价
; D6 E( w0 @8 ~/ J$ s0 wappraise-receive6 Q9 D( @" D) d' q3 }5 R! o
;;当前发生交易时收到的评价1 i7 u0 I" |2 k7 @8 H- E$ n2 J5 f
appraise-time
3 C) x- ^3 j) I- N8 y;;当前发生交易时的评价时间
/ W5 f& ~. u; l6 K$ L z9 }local-reputation-now;;此次交易后相对于对方turtle的局部声誉4 K5 [ T& X$ E, l& D+ ^
trade-times-total
0 y* n$ @. \% W. W6 s! `;;与当前turtle的交易总次数1 Q% g, ~/ p( C9 O* m
trade-money-total
+ l8 M, L4 a$ t+ u' H;;与当前turtle的交易总金额* L5 u- B: q h8 x+ @
local-reputation! T: B) A. G; t" O7 q
global-reputation5 R; P9 l2 d8 R/ X
credibility" _$ S9 n" t) o, U5 i0 w
;;评价可信度,每次交易后都需要更新2 O# O- A" M) h- w
credibility-all. _/ N: e/ g! F2 ^/ P, d+ Y' 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1 D- m7 w: v- C7 z+ F+ H* t
/ B3 a2 N1 E& t& 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
$ A1 n1 Q# D/ o! Xcredibility-one
2 X: i1 b( c. B) W- a; @7 r4 e;;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
( ?7 u% V" b0 e% y8 {9 W5 y: _global-proportion% z D. m6 I. V% J
customer) H5 f1 c; B6 z% _0 l/ B
customer-no6 R) r; _8 j4 F- N, N
trust-ok) W' R3 t! [. U! y$ K4 [4 o
trade-record-one-len;;trade-record-one的长度% I# p, k0 B: |/ I$ e, m) G
]
! K" l- F% X# @. V( F4 Q* z6 K7 y4 n3 e5 W% F
;;setup procedure& M) \# J1 Y9 ^- w' k. ]
; L8 c, i6 J, O* v0 a- W
to setup
+ ]9 E" P% f- X* r( p: U$ s c
# v5 P3 X7 D3 kca; Q. t, V! z* N: f$ p" T& u/ h
- _* w& y* B0 F+ k; c
initialize-settings0 _* s+ c) E1 [0 ?
# {/ T3 }5 _7 z. \, N- P5 L f
crt people [setup-turtles]
* R" b+ L7 W+ R# D& D
' l: y R2 ^" w$ W$ w* L$ d! M( Zreset-timer% Y1 O8 w7 o1 N* z5 t, F1 j, M( A
6 L5 {! X% z u. P$ I; qpoll-class
; r0 _. b# |" e
7 [2 f2 ~' }. ^, esetup-plots, R5 V7 e) y/ {4 i' y: j5 @- \
8 d( f7 O+ k0 e2 Cdo-plots; X$ V' n3 q w4 R9 f' u8 y
end
7 o1 |5 E, ^6 p5 K, t+ G' h' w5 V9 t8 `1 B" a$ v; `6 G0 q" Q
to initialize-settings
# ]! |8 h) W( l& ?9 @* F
+ J0 F O4 ]( T5 _set global-reputation-list []
~% T: `1 N G' c6 j# F6 F
5 q; W3 X3 H: n$ dset credibility-list n-values people [0.5]" c2 l& z8 {2 r( Z: L; D$ x' E
) |% d* u: {1 T* f( h E3 fset honest-service 0
- q$ O h O* a9 M" D7 p* y* E( o1 @2 q. h1 F
set unhonest-service 0
' ^' A+ L8 Q2 m# P, B* ?. C2 |. j0 \" e
set oscillation 0
5 K B# V3 R1 F7 i. p2 w! G9 O4 O" M/ _- ?
set rand-dynamic 0% ~' f3 \9 b, Y
end) X! V2 z! H- t3 U' V
. @+ ? z7 \* u* x) @1 S* E- [, _
to setup-turtles
% Z! l4 g2 S8 s4 S3 v& l- _set shape "person"
0 r' p- e; {5 C& Ssetxy random-xcor random-ycor
; d6 Y, k, U/ vset trade-record-one []3 y- u, F$ m( K n2 a$ X# i: R t z/ z
2 O8 }& d, c8 i# n' Z
set trade-record-all n-values people [(list (? + 1) 0 0)] " n+ D$ B1 J' `7 l
. _! R) A. [1 G- Y: \
set trade-record-current []4 }. y# n+ Y8 w" @* @! Y Z% N
set credibility-receive []6 S+ u% ~% `& ]) A4 s
set local-reputation 0.5
; h% j. x/ i6 r7 }! g5 Jset neighbor-total 0
! f% k% l* h' c5 H8 p0 Nset trade-times-total 0
% P- E6 n b/ q4 M2 W( gset trade-money-total 0
! ^ R( L$ u3 r. Q& o. h5 m4 q2 t1 rset customer nobody1 j5 x+ W: s5 H X3 I1 v
set credibility-all n-values people [creat-credibility]
8 A4 O; Z- I h, L3 f0 Xset credibility n-values people [-1]6 F% _3 f/ p* n. |% r
get-color2 x* x. P) K, {0 c
4 d# N _! n/ Y: i7 b& qend M/ k2 Q o( Z- A5 L; X
+ z' I v ]" |& lto-report creat-credibility
* h9 W! D3 ~% d l$ Kreport n-values people [0.5]
/ \0 W) N/ l7 a- G! E5 {end
3 S# n% j7 Z! ^( T8 U6 E! Z( [( o8 x& z: i; S
to setup-plots
" r. `( O" V {( e2 n" k; G4 @* R! X [) k' y" d
set xmax 304 ]" b* ]' H/ C# s7 x2 e
/ J( e% M5 k+ l5 z- C. _set ymax 1.0
) _! [) |" G5 V* Z$ [4 ^# a5 D8 X! X
clear-all-plots m* T: N2 R9 G) s
# O) Q7 h' {, ^8 v6 X+ ?/ T
setup-plot15 b, x: j1 V( O' ~0 T) F
1 ~: _# _/ W' ]
setup-plot2
* X X0 {( r; {4 A/ S/ C. _# v) b0 u# X% S4 f `* f, D; j
setup-plot35 }2 O, C! G; }( R
end8 W9 I; ?3 _( S' e3 |' A3 q7 [
6 T- u* V8 _0 X# O/ u; h;;run time procedures
- A5 B8 A1 x8 a/ ]7 r( u; E
9 ]7 Q( z; u3 e# | U; o: zto go0 E( N# G3 z( |& p% @. f5 w* ?$ P
( Z3 S) V3 [5 }. Bask turtles [do-business]
" G: y1 f1 b9 uend
, r) G' J( ~, B7 m3 v9 s
; w( V+ V! q. _& ?, j- |3 X2 i! Oto do-business
; V* Q7 C2 i4 X" b. F3 F1 A( Q" ]/ m" i2 }) f& j5 L1 R! R
5 b& J' e; H% p, U; Srt random 360
) h5 k" a* j% \/ S; y, D8 Z5 p T3 a
fd 1) Y: k$ I. G9 y6 e
9 g: O" L4 j5 s c
ifelse(other turtles-here != nobody)[
- \& C/ l( ~6 ?6 }# [. w" I' R- O. z" f3 m: p9 G
set customer one-of other turtles-here) o1 ~3 X% N. C4 K- S9 D+ D
( U) L( L) q1 L( l* H! m
;; set [customer] of customer myself
2 K% ?0 Z# Q, O/ P8 w8 N3 k( G6 R2 \- K5 g6 ~2 ~
set [trade-record-one] of self item (([who] of customer) - 1)
: b% A D" `, y* o[trade-record-all]of self
. ~) |6 Y T: {7 x3 S;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
- W* O9 @& v9 F3 i
0 P; V+ M& ]5 N7 n$ E1 F5 o% y7 Pset [trade-record-one] of customer item (([who] of self) - 1)
! P! {: E' a1 k$ }* k" c. _[trade-record-all]of customer- T0 N7 S+ X% Y/ E8 x, G4 v, g- p
4 \' C7 z2 e9 u( R4 D; Y4 Uset [trade-record-one-len] of self length [trade-record-one] of self( U9 A3 c& X2 Q$ R! H9 L+ _
8 i' Z) q7 ~0 y% G# N; m: nset trade-record-current( list (timer) (random money-upper-limit))
3 T- Y U. \2 Y+ c
( T* q& u- W, R0 P) i$ fask self [do-trust]! s! m$ r' Q1 M% y
;;先求i对j的信任度/ W% O. |" t) b: z7 Y
# z M( a9 _8 M- W: t
if ([trust-ok] of self)
7 Y# C) T4 a7 {) n;;根据i对j的信任度来决定是否与j进行交易[
5 J, y) J* F( W- @6 ]7 V" zask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
/ u, P* {( k0 J$ U
- `8 Z2 h$ {" O& y; L0 B[! c8 T& R: i% a# ?$ V- t/ ~
1 u0 \6 ?! Y: |9 N- c. k5 M
do-trade* E- K& ?9 Q' U6 P; o9 p8 w& P5 \1 m7 g
2 j8 y% X% G3 U9 N( }/ y7 Lupdate-credibility-ijl7 U8 @5 Q' k# d5 T+ i; Q) U. |" V
- Z6 t% j r _8 A( l2 H1 k9 Q2 ]
update-credibility-list* o6 T# _/ _0 D
v1 O5 [) U1 k5 {& f# ^3 o5 r5 V
2 c5 B8 H6 T# v: |; ]
update-global-reputation-list; F, C9 R8 C& }: X* \3 p7 \, B( A
3 U! Q) U/ K* k( L: ]* p+ u
poll-class4 d0 I& Z6 @! h
# A0 k" i* T" M) ]9 {/ i
get-color
6 t: `" A" A0 h. A- k* y! a) l) U7 ~5 O8 O& _4 Y9 _/ m
]]
7 x; q; z$ \3 z5 m* r5 l
8 L6 A8 `$ L; } ^7 r;;如果所得的信任度满足条件,则进行交易% c* G2 d: H2 U# R4 ?6 I
, J9 x3 a6 U0 V[2 }! O2 D+ ~8 R8 I, k3 e. V
9 o; D2 O1 P. u. x5 H2 wrt random 3606 ?) Y* `# i( R% `
4 T) C1 S, l1 {- }* ?3 S4 ~# E2 vfd 1
6 f: k6 H3 R0 s/ f* Q) ^# @" ~$ S7 @8 A" M/ P6 X
]1 I' C4 i' d9 a6 v) f
( x" a. w& f1 b- v3 q" I
end
8 A1 o$ {! B0 Y- G; H% x7 h0 u6 \: S1 t8 W! Q% O( F/ _% E
to do-trust
# c. c) O/ ?6 b& N& u4 {/ pset trust-ok False9 ^ C* h- T& S$ t* Y: q* c ~
" N2 B8 H0 w1 n- x R# b: Q" M
: i% E& v+ }; ?; R) |! U( U; X: A
let max-trade-times 0
! g' `8 V R, g7 K7 N0 |foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]4 p K7 a+ B7 ]$ Y
let max-trade-money 0- j, s& J# V ~. W8 g4 }! |
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]* q3 Y& _) R! h8 f3 Y4 g K
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))" y* ~6 \- R) L7 K, u L* r" m
: S; ^/ k) w0 ?
/ a+ O) s- D# j( L4 m
get-global-proportion
+ F: A0 E% N }: e; b$ K. Jlet trust-value
; N1 u$ R! k/ |5 s1 u- B, ^2 xlocal-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; j4 f+ w$ U; k4 F- Mif(trust-value > trade-trust-value). ~( ~6 N5 S X. a4 R! h1 C
[set trust-ok true]
. P# Y' V6 c; J" Fend, ^$ h* W/ n3 v' m& t
7 _6 d, |4 x* p; U4 D1 B9 Xto get-global-proportion+ Z# w" v q" R
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
5 i2 k2 U/ C" }/ h1 G# ][set global-proportion 0]
3 k3 [, M) k$ G o- O& {: Z[let i 0- h$ N6 U$ `/ P7 }/ R' S+ S& V' a
let sum-money 0$ Y( ^- |+ `$ B9 d: u$ |
while[ i < people]
: C/ c' ^3 g1 D$ |[
% N8 z0 m; h' M; f5 U+ r+ i* ]if( length (item i
: O5 l; T8 ?% v( Z, {( O[trade-record-all] of customer) > 3 )
6 U8 X& ~ K( P( w5 {2 F[
+ L7 \' c0 g4 T) z% Nset sum-money (sum-money + item 2(item i [trade-record-all] of myself))! E9 h+ T& | i8 a6 G& h" d# t0 d' k
]
, ?! z4 Y! I' o: T1 i]& j3 a: B" |6 }
let j 0
/ G+ i* ^3 c$ x1 Z8 q! Qlet note 0& i& @4 h! o7 N
while[ j < people]
$ F- `$ j, R5 Q' w* \[
" J6 B) x: f0 o3 ?. W4 g/ i' pif( length (item i
' y* n! L$ V" c# T2 ^6 I! m- v[trade-record-all] of customer) > 3 )- c. Y0 L, n+ Q ?- `5 T- m% q
[
6 W, i8 g( j+ J5 U% |6 O% z# u2 _6 Jifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
. u) P' [" U4 y9 E[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
# ], @7 S% N. N6 E4 E[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]) p, I0 y; n# M) M% k3 f
]- _0 o a+ R- E O, a# e9 ^
]
# x8 _0 z: x/ B/ \set global-proportion note* s# R6 h5 I* a7 f8 V7 j! O# b0 R
]! d# n/ t; j1 x4 u6 O; T" u
end9 M* ?/ ]) F+ z' h% @/ Y* ?
5 g- Q: r9 J7 J' ~
to do-trade1 t- W4 J$ S' s7 A% U3 m& ^
;;这个过程实际上是给双方作出评价的过程
& F( w8 U% O4 [1 B+ {! b5 qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
6 j6 z4 g7 O7 p' ~ X' ~1 }( rset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价2 U8 S2 H. b2 B( U+ t( d X
set trade-record-current lput(timer) trade-record-current+ D0 ^ Z9 R* d& N
;;评价时间7 f1 ]" Q$ T7 L* l
ask myself [8 a8 `2 }+ S" i" `; k
update-local-reputation2 n2 A; x* } |7 j3 w
set trade-record-current lput([local-reputation] of myself) trade-record-current4 N9 j% N! `+ Q- b, P7 S7 R
]
' D. X. ?/ ?8 R4 r+ ?& cset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself2 L: l9 g' N/ A/ M( E8 U$ D0 _
;;将此次交易的记录加入到trade-record-one中! b" q7 U7 L* j; y: w% s$ m
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
# z+ n1 Z' M4 ?9 A+ w. {# ?let note (item 2 trade-record-current )
6 I {7 v- q9 Iset trade-record-current; u* g( _' i/ `- @
(replace-item 2 trade-record-current (item 3 trade-record-current))
% e' f0 G1 a( F1 ]set trade-record-current
# v }& q0 P( [3 V(replace-item 3 trade-record-current note)
A: `) j5 |* W. B! D: v4 D" d7 L
4 N; w v3 { w7 k" P( I
2 R, F6 w1 }% g3 E( Vask customer [
4 O7 I$ g& e+ w8 F+ q- Pupdate-local-reputation: [: {4 f, R# \) ^4 a
set trade-record-current, e p7 t9 ~ g2 e4 q" t& O% b
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) + M) Z. m* F( h# |
]
+ w' V! s1 l: G9 o) @* c, w
9 C! M* k+ c/ C# a/ W
: i! i+ U" L1 M* Y5 l% yset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer3 g% A- Q% v+ T$ C k! ^' @
' u# Y3 z+ O! X7 c( H" T
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
( o6 s+ J: n$ P0 h) L- n% C;;将此次交易的记录加入到customer的trade-record-all中. f2 K, } D+ W7 i) ^0 ?
end& K: ^5 J+ g9 ]& u
# N! R( I# z8 h# o: i2 ?to update-local-reputation' C8 W7 a& m& g" l8 u# m) A. B
set [trade-record-one-len] of myself length [trade-record-one] of myself1 |8 ]4 m7 J* z8 r- O1 w6 h
% j5 u5 X# ]. s* }; `. [5 D9 ?6 l; c8 }
;;if [trade-record-one-len] of myself > 3 / w) {, `# r5 h# }. M
update-neighbor-total" D- d1 g* Y4 M$ P P
;;更新邻居节点的数目,在此进行
! I5 I, Q/ [4 g# J4 Plet i 39 h$ D; I3 Q' z0 U
let sum-time 0
( s* P3 k0 K* @3 G0 awhile[i < [trade-record-one-len] of myself]* L- c6 n- Y ` o' D4 L: F
[
% s: V$ [, c. qset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
7 i- Z% E$ ^# B) y+ F' i9 l) d- }set i
; }5 v" z0 g1 Y8 J# ?* X/ Q; o l( i + 1)
3 q$ `0 M$ J- w9 p]0 l' V0 C9 k! K2 C" ]8 i
let j 3
) R9 F/ a; z/ a6 H9 A) U( ], Ulet sum-money 0" L0 V. z0 T6 Q
while[j < [trade-record-one-len] of myself]5 U6 H1 H' g) ~9 z% q7 l" q
[
1 W, _; G+ O- U1 v) cset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
9 u/ B) w2 y. e4 n) ?$ Rset j! M3 ], n; i* H# ?1 e _
( j + 1)3 ~( v2 W5 p2 x! w
]
; P V E1 ]$ ~. p' C6 dlet k 3
, i4 l0 b1 T4 p. _1 r5 S5 flet power 0; k# v& X, e! K Q" p# ?8 @
let local 0
: L& e& i" q6 X8 O, v6 G. f% A& n, F% o- Rwhile [k <[trade-record-one-len] of myself]
: C# ]3 n( Q2 U[
) J5 i& N! J8 `. rset 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)
- z( ?. G* Y* h3 ?/ `& |set k (k + 1)' x( S: |1 N% c+ G" K8 P
]6 V/ F g% z* o. {7 {7 Z% X$ t
set [local-reputation] of myself (local)- B% J5 @1 I& q
end- Y) o) s! q ?. X
0 ]+ w4 P7 V1 X0 M+ Bto update-neighbor-total
" h7 g: G% j, P7 _9 l/ a" | U2 j! V4 q4 ^
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]# F- |& I. I* p$ ~$ @
: \4 Y' i( a& v4 d) X! q+ K
2 i. D+ y4 i y; W1 e! k
end
7 c3 s; ` W0 x, s4 D" G& ?% x+ z7 S. P* o0 J- i$ e F
to update-credibility-ijl
6 @+ x j* E+ v t! _; W
1 v9 A1 ]! o2 ^/ r! T8 _) X/ T7 H;;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。
! A1 {" Z F: e% }9 c! H' nlet l 0
/ J6 C. K$ p5 u1 j/ d" `* Owhile[ l < people ]) O& h! \" S% u, l8 \$ A
;;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- s1 O7 i$ f. t5 F* D) f& ~* E _
[, S* D3 g: ~6 g- [( z3 B
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)5 T9 v* T/ N N! z
if (trade-record-one-j-l-len > 3)
9 L5 Y% Y: M6 I2 y0 c! o7 }: I[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
% N; z, \' `: R# mlet i 3
) T M2 X- H- k$ L ]( y3 ilet sum-time 0
: D5 n. v" E3 H' a& Wwhile[i < trade-record-one-len]
- K% q3 }, n% ?, \/ J$ X3 |: k4 p[6 z' S5 w& K2 T$ S3 ^% y, @ t+ Y
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )2 g: x0 A/ a5 ~
set i
5 `6 T9 }- @5 `, E1 m. l5 Z) H( i + 1)$ c+ F5 L/ F6 @+ b4 U
]5 q4 O- Z% j" S8 b$ Z4 V
let credibility-i-j-l 0
- I! p% K0 h8 d9 x;;i评价(j对jl的评价)
! @ R5 m+ B- w0 f; L5 I# a/ Clet j 3
# P8 W8 I9 z L) jlet k 4& \) J, x+ M n N
while[j < trade-record-one-len]$ Z1 k$ F5 ]& O& y' J# G
[
( S. D2 y. R) [+ T& P; |6 D# cwhile [((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
, E0 z) Y! k% }% x; j) H. Zset 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)) d' C2 w o) }& `1 q
set j+ N" E% A' `2 h$ q
( j + 1) t' u& ?4 i! J3 x8 O1 f
]% h/ O3 q: z( J, A% k9 C4 N( 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 ))" k+ n- n' V8 w2 V
6 ?! }# k$ H* P
' u3 h9 ~9 F/ U+ e( e
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))6 D) v' I# v- z6 ~$ a: J" Z
;;及时更新i对l的评价质量的评价% Q( }3 {0 T! u+ n' q
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]6 [ ^7 k9 d% H9 f
set l (l + 1)
$ Z0 w7 p1 P' n3 S3 `. ? W]
: [% D- p- ]6 \6 L! b# hend( Q$ x5 A" ?7 S" M6 l
, b. g7 |, t% M5 B5 P, G8 K2 Ito update-credibility-list; R' l7 o9 p. O g2 A5 S
let i 09 R1 f& _: a* D5 T$ Z
while[i < people]+ d4 o6 O! m8 a
[5 @; a* h7 v" q. F" Y- o
let j 0% U8 t# H, H E |% ]0 ~8 ?5 v# K
let note 0
% M7 w) @% Z' s0 b8 c9 }+ Flet k 0
* K9 Q3 Q$ E. s1 A;;计作出过评价的邻居节点的数目4 C: X4 T6 s3 [0 I2 \
while[j < people]1 m8 R* A9 G+ w" I `
[
3 z$ X% \/ T; wif (item j( [credibility] of turtle (i + 1)) != -1)4 k; u* l6 L0 e4 g4 `5 h
;;判断是否给本turtle的评价质量做出过评价的节点
1 E; T. P- {: B9 l, i5 E[set note (note + item j ([credibility]of turtle (i + 1)))1 J1 P* c- d& B- V
;;*(exp (-(people - 2)))/(people - 2))]' l- e! r! ~' c& c; v
set k (k + 1)
% o$ Y, p) |1 ?8 h9 d& E2 X1 ?], ~5 K# W6 w, s; @- i5 Z; v
set j (j + 1)
3 R5 F( }! y/ j7 y9 Y; ^: C]
. Q: A: u% C; ^9 p! P6 Yset note (note *(exp (- (1 / k)))/ k)5 A& [2 B) ~% s( o: f
set credibility-list (replace-item i credibility-list note)
i( X A* b$ R2 O' Yset i (i + 1)
# {( M8 g& S& u1 `. A/ q+ g]
% `) e* z3 O' ]6 b, gend' Z3 z0 w* D3 g& l2 K/ R1 A) h% g
3 L5 E: Q; w! H! {3 P0 K9 e
to update-global-reputation-list' a7 ~1 _- x: J/ z5 f8 l
let j 0
M, ]+ f; O7 E5 S- T/ ?5 p" }while[j < people]
/ T+ x. Q( R" D, H. L3 d! J! i[
0 s3 w9 c( U8 h* S7 X' Plet new 02 s/ m5 O2 s8 V3 ^8 g ~. \) R
;;暂存新的一个全局声誉1 y* y& v+ h) Z0 R1 N
let i 0
2 e3 k. @" Q! y# R, n3 Elet sum-money 04 v( ]! z# e! _% b1 g$ j% Y
let credibility-money 0: n' C1 N! |+ }
while [i < people]0 z o- M$ H- ^% o5 W: W
[$ N: R) B/ ~ k6 k$ @* h5 A
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))2 `& R( B3 S. w" O( v7 \
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
5 C1 h2 @# C2 D7 B: S6 Sset i (i + 1)
) }# @- |, c6 K2 `7 P]) [ \* F9 ]0 V% c# I$ ` u
let k 0
1 w7 w0 K2 S% u1 O2 Mlet new1 09 c r4 J% a8 L9 C( q d; J' A
while [k < people]
8 R8 O0 D u* H" G/ ?[+ ]; F* ?4 R2 M6 L+ c; `
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): d% w! O: d9 h/ w$ v# a1 ~
set k (k + 1)3 O, A7 E, {( U( u1 \% c. y
]
1 u, i+ ^/ w+ V ]set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 0 }# u. y' B2 Q# ~, O
set global-reputation-list (replace-item j global-reputation-list new)+ r9 l& Y% H" h, S
set j (j + 1)# {$ e* P5 `0 P2 [1 B/ y$ V
]4 u" {6 m. ^& s% _* u& W
end
/ z% a# A$ y$ k0 t6 O) x1 @0 D
5 L( t9 \$ @' U; O- J
8 r# k# T; u; b+ R6 }0 d7 a/ O1 v
to get-color, i3 Z- W- R7 g
0 f0 n I9 H8 X* Tset color blue
) H$ Y5 j2 B0 i7 s7 a- i Wend( P5 a. X0 j2 L7 x
5 }' }) L( J; l8 Y& _! h
to poll-class8 x6 B4 n9 i% M
end" m5 K" |/ x7 R5 R
2 y% j* U! i+ F, M6 l
to setup-plot1) D9 O9 V# w# I1 ^7 i, s; l) Z( g6 a
# ^* C6 }. m1 Tset-current-plot "Trends-of-Local-reputation"
! {/ m% y7 A/ i- O9 v* B1 W$ E* G4 h% l
set-plot-x-range 0 xmax
+ J1 T6 t; f h' b! k( D. C% ~2 v
set-plot-y-range 0.0 ymax" }# D5 M" {1 z3 r4 K" L: f% Q! c1 q
end9 f' ?4 q$ D9 {7 J' @9 H
; Q' f$ B: p, n6 Y' m
to setup-plot2
* e! w" @$ q/ w" B
+ l& x' [* }8 J0 W% b8 Iset-current-plot "Trends-of-global-reputation"& x' |. e) l2 n @& u' M/ g
M5 ]+ E8 ?+ ^. ?0 f- x2 tset-plot-x-range 0 xmax1 s& @! R3 i: Z: f& [, T
/ ?6 u) z% D0 _5 x' t5 a9 S
set-plot-y-range 0.0 ymax) F5 v1 \- p1 Z6 U9 A
end
& g! n6 N" d) E$ h8 I# e( G9 K" p2 t5 x2 p$ [7 F/ k1 O i
to setup-plot3$ ~! `# w2 u/ r7 h+ U3 |& N
. T0 j# ]" p! f$ M+ Pset-current-plot "Trends-of-credibility"2 e5 l3 I5 F& [: \0 v5 K+ k: C1 o# _0 K
! `0 C w6 r& {: r# M: T
set-plot-x-range 0 xmax$ D) N; W2 Q4 ]' w1 R: \
+ b: k6 L* o! @% _set-plot-y-range 0.0 ymax
- s) K0 v9 g% i4 [end
6 y% ?, v" l7 \9 |4 g H J2 H, @5 g& w2 \& n7 w+ |* L- Z
to do-plots* T4 N1 @8 S3 |
set-current-plot "Trends-of-Local-reputation") _! r+ |! r5 \$ M+ K6 p3 }
set-current-plot-pen "Honest service"
& B, ~/ \' Q0 l9 \! Uend2 V9 L; c; p2 t4 M8 o6 v
4 h3 x) w+ h& {' o
[ 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
|