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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6 l& V6 ?9 p( l8 x
globals[
) p' n! L7 ^5 |! |; V1 h, Sxmax6 z0 c0 z- |, e7 `' Y+ _
ymax. C+ z7 d" J& L: m+ P7 X. R
global-reputation-list5 G o: v2 F' G2 i/ \; i {
" q6 P2 b* B& o
;;每一个turtle的全局声誉都存在此LIST中3 z' [3 s) l1 f
credibility-list* y% m$ A2 m# Q
;;每一个turtle的评价可信度
0 b2 L7 P4 [: z2 h# l; Xhonest-service
8 C6 v4 X0 Q( K4 `unhonest-service3 U- Y. r- a6 I; X4 T) Y
oscillation) i2 c" N& N! }1 T& a) T
rand-dynamic' X# }1 G) D0 E- U8 q8 D
]" U, ^4 n2 J3 A! ]( s) K
# @0 y% r P# v% _$ m( y2 kturtles-own[
6 S% |7 T! N% B9 }( Z, Z( e; E1 t. dtrade-record-all5 Z/ }6 L% m) n( k3 p/ h. c! X
;;a list of lists,由trade-record-one组成4 H: Z% {/ ~6 l' @! n/ |
trade-record-one
1 ]) z" E5 m5 p' ?7 U9 f6 g$ X9 T# q; G;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录: v4 K3 T% c, ~; T, X" v5 C
9 f) i+ G9 y5 |& ^;;[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]]
0 P+ z8 C$ _; ]) Y5 w ltrade-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]0 e+ U7 R' U+ P1 I- @
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list9 C) Q/ s( O4 p% k* A
neighbor-total' t7 B, w" j( a+ j4 r
;;记录该turtle的邻居节点的数目! x* Q( N( U8 f- W! U
trade-time! H q0 ]+ I5 R& |5 p2 y2 a
;;当前发生交易的turtle的交易时间6 U1 @; l8 b3 B; D
appraise-give, \3 e: h9 H2 ~2 e7 M1 a9 R
;;当前发生交易时给出的评价
9 @9 x! f$ j y0 C0 n# G9 l) wappraise-receive3 l8 n6 b! N: k1 i! m
;;当前发生交易时收到的评价
) V4 h r( D$ a0 D0 }3 sappraise-time
; a" V* |8 E) |2 [0 a;;当前发生交易时的评价时间
" x: K" d# l8 t/ @" V Y4 `local-reputation-now;;此次交易后相对于对方turtle的局部声誉5 W" G* s+ P+ x9 Q* U: L7 d
trade-times-total
" a S0 m6 E4 {( U9 j1 F;;与当前turtle的交易总次数5 B( c9 ~% C4 L7 i9 C/ U6 Z, w
trade-money-total) w5 ]# k2 y& a8 b+ v$ C
;;与当前turtle的交易总金额
- i8 L' Q% J7 R5 Nlocal-reputation
& W# `$ s2 D. F& Z* lglobal-reputation
$ `$ v$ e W2 U% ~: Acredibility
) K; j2 Y) s& h2 Y5 };;评价可信度,每次交易后都需要更新- I b: o/ ~) O. B7 B- n
credibility-all
+ z/ G1 |" T3 }6 H: 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
! x, i# R" k0 @) C
- I# B P1 c2 P, t" e;;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" M1 d. D' E0 Y' _6 pcredibility-one
; d" @3 Q! K# J7 s. U. G;;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1 G3 W( e: |3 c6 n
global-proportion. a& P( I" c1 e, o# V% p* o: i; P
customer. E( i! c' m+ e* Y5 w* [; T9 M4 O2 s
customer-no
6 @+ d! p1 N, J9 Otrust-ok
0 Q$ M8 i* ?9 V3 m) q strade-record-one-len;;trade-record-one的长度7 t- r) n3 b: @& j
]+ K; L. ?3 [& D) j; I
( O9 G% Q! |6 V( T;;setup procedure2 y' q9 T) k' g' d. v% l
' u& x& a4 \- L7 Vto setup4 A; z$ L# Y8 w" R) C, ^" x9 m$ B
8 f6 b9 R( c/ j: mca
7 D, [, N. r8 d: `- |4 {# E" \" u# D4 b7 o3 `1 S/ W: U+ d
initialize-settings
" e" K) N/ R( g' E3 o6 Y
5 V, G( Z* G" B8 s9 Z, ?crt people [setup-turtles]
$ ~- p7 X- U' l6 c* x$ ^0 k4 V8 t1 y2 G, t3 y7 _
reset-timer7 F- X0 q1 I; w" t
% d& _" }, A7 Ypoll-class
9 W$ t3 {( \9 y
# Q5 T1 p; ]8 S1 a+ p- i( xsetup-plots9 k- ^' s" L/ C
% \* s7 Q/ w6 t7 Cdo-plots
$ c, [5 j L7 j% x- {9 G: z. hend @# ?& \! r8 _; s, T- u
7 A) C7 Y) X' l( Z1 W* C- bto initialize-settings! x1 u* p6 Y$ P- [
) S- S; y, K! h* }
set global-reputation-list []* B, a* C2 P( ^& I% @: t; p
( [5 {( ~2 _8 D9 O, ]; u yset credibility-list n-values people [0.5]) c* v# Z/ W+ ^" i2 }& s W- ^
4 f" y; K0 N0 H3 E; Q# s* R
set honest-service 0
! X1 {) d+ _ h- Y0 L, c4 ~% m6 T5 C2 ^) }1 p0 r8 m4 J
set unhonest-service 0' c$ q+ T% R5 k6 D; m+ u$ l
+ o1 s3 q/ b# H
set oscillation 0
' I, J; L4 ^. Q' X4 G/ }* ]7 q S- U7 z3 b
set rand-dynamic 0
( @* y! o, h" p/ g3 \" j {end7 @" p" P& N2 L
! s7 Y9 f& r6 G3 ^% B9 d- I0 O
to setup-turtles
: s1 ]6 A' g% ]5 h9 `; ~: l' |set shape "person" q/ n! m8 ^7 p, [$ b% j6 n w
setxy random-xcor random-ycor5 ?9 x) L9 c- N3 g5 J- ]
set trade-record-one []( p9 i" J+ }2 s8 ]8 s5 }/ e0 e A4 j
6 Y' }! O6 F5 M3 ]4 z0 T2 u
set trade-record-all n-values people [(list (? + 1) 0 0)] 5 I$ f) o& q8 q2 \
L. ~' e, q4 ^' {! V& n! o
set trade-record-current []$ Y( o+ O" U Z2 |
set credibility-receive []
u! @7 s6 j0 _/ |; J0 S9 ]8 h7 p2 iset local-reputation 0.5 |9 b) C/ h; ]) O8 [
set neighbor-total 0
1 ~: L. d( J5 o! I$ Rset trade-times-total 0- b7 B R) Y; B1 u; I
set trade-money-total 09 B" N9 b. g5 u0 l' T. s5 Q: d
set customer nobody% N b# @ f5 U8 y1 U8 Z
set credibility-all n-values people [creat-credibility]$ ]. r" E- |6 S' r
set credibility n-values people [-1]
- F/ J5 j0 y3 h a8 U) \get-color
1 M B, m1 g6 c$ I% p8 @# e" K3 k( s* l: u
end
) e8 C6 Q4 n9 `4 E2 K
1 P9 H y& @/ a/ F4 Dto-report creat-credibility
5 Z+ J1 u8 f6 a/ x5 c; greport n-values people [0.5]
, o, l @3 o+ Hend+ Q8 F: @5 i3 ~' e+ a9 ?) u, z
5 C. y: D1 m6 A y/ U1 Q! ]
to setup-plots
4 [' K; g* p- k0 E. ^# P2 N
( B1 ?9 D$ U0 o* j( ^set xmax 30' ?5 K! w) C; E4 @) H! S
$ k, e5 K$ c/ z! S8 h2 yset ymax 1.01 l/ e% [4 I4 F3 B l: v: X& e
; [9 b; v# [$ B' q/ |1 t
clear-all-plots
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setup-plot1
& ~. o. p4 n$ o7 r, S4 k/ h
d: x+ f; k/ `: ysetup-plot22 q7 u. o( a0 P& f# l, M
8 o4 V. `6 r* ]2 V% wsetup-plot3
0 q0 Y9 |# N' N: W& _end
u* ?1 g ^* s, v, D n, _9 L( p2 F7 `% u
;;run time procedures
3 B& D2 T" `7 f8 h+ c
" ~# } R1 f6 m5 u" gto go, q' f5 Z1 T4 C+ F. k
+ w7 T; Q6 }2 pask turtles [do-business]
4 z% C( V" C s& C" [0 S/ j, _! b9 Kend6 M& o; ]% y& Q$ `5 q0 P A& O9 Z
% ]( W' b( g9 I7 Z) M7 H& f
to do-business " I: g% H! M$ @& n
& t* H" f6 v- U; [) R4 i/ N L7 x- W" C) m
rt random 360' Y. _" V4 z+ ~
r- E* d- q1 E0 L/ T5 B3 p, Lfd 1
8 k/ R5 e" \4 W5 U9 Z/ {5 I1 b# \% q$ B3 Q* }5 @5 v7 m1 C; I
ifelse(other turtles-here != nobody)[; Z0 K' v# Q! A! @( \. N
- ]* `- B( L5 _# N+ s2 X
set customer one-of other turtles-here- R4 w& \" H* }) a( v
+ W6 z5 E( b; o1 O* G;; set [customer] of customer myself/ R/ e" x3 S, l
: r9 J" u# @, \5 [' `* eset [trade-record-one] of self item (([who] of customer) - 1)
3 x" F& m2 F, q" q `$ X[trade-record-all]of self
& y6 x0 Z2 c [, o* I6 N4 j. T7 w. t;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self* L% V% f3 y6 A! Y. p( L3 r
+ B$ n. B# _) k$ i) p% V. j* M5 [4 qset [trade-record-one] of customer item (([who] of self) - 1): d- |+ W0 e# |; S0 Q9 A7 a
[trade-record-all]of customer" p3 a: s8 ]/ q) h6 R. R" Q, ]. l
$ A+ M c8 o5 f
set [trade-record-one-len] of self length [trade-record-one] of self
9 b0 e2 s% _: A7 W1 t, U1 |3 f! L
( f) h' x) b/ a1 Gset trade-record-current( list (timer) (random money-upper-limit))
$ C& o% M6 D0 M9 d4 @$ z* ]) v6 Z* F/ [
ask self [do-trust]
9 |3 c6 H G- S0 y" d* R. {4 e;;先求i对j的信任度
8 ]4 {! h8 G9 F" d8 k% V- |
+ L. u* C% w: U& ^5 X& `if ([trust-ok] of self)- R. `8 \1 N, F$ i" R' d7 J* K' x6 ?$ n
;;根据i对j的信任度来决定是否与j进行交易[% T) {! Y$ K5 D
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
# j' ?0 M: i0 S) `. ^; u& i. u) `( i, B, I- Y) s; m" q: [9 G/ F
[0 E- _4 q0 q! |! n; n
' d7 [: b; h! \2 ]7 fdo-trade. }( M, ^" x% j2 Z# D2 r
2 M* @; J- \+ \) [: k+ M% `! I2 y) u
update-credibility-ijl5 V1 ]4 T" {" r7 J* r
2 P' H% o& P& F/ x/ _5 xupdate-credibility-list/ `1 n5 ~7 ~8 e" S$ V
& M8 ~1 l& S/ W
; w% k1 v/ w1 U0 K$ n, Q/ Eupdate-global-reputation-list
3 m6 P; p& j+ N9 ~; @ d2 ?6 i0 @3 e1 E$ p q: {- A
poll-class
! t' ?* T `; Q: J7 F$ E0 i
+ z* ]" `+ z9 |2 P$ }get-color0 g, h9 ~! t0 s
+ `. G5 m+ g* f7 x" u
]]+ a3 m [6 x6 Z5 L2 p) v1 N& Z
" Z4 Q, j0 F9 O7 _! B0 j
;;如果所得的信任度满足条件,则进行交易
2 w$ K- a" }- h. s& \( W
3 }; p1 V* h9 x8 O2 k[8 b& D# ^% D( T5 n, o3 X& N
5 W) L, f6 l/ U) {" N ~
rt random 360. V/ h- f0 @2 K# o
4 ]$ M! }* |* e8 W# D
fd 1# a5 E0 L9 Q* g% `: N
+ e* Z* r( g2 D" k
]6 ^6 S% e8 T: h1 p
8 i% k+ W$ r3 z! s! yend
7 s# p0 N# e; O, @8 b$ y, W4 I; j& [& i# H& G7 q
to do-trust * H, ]; W+ \5 B- S. t
set trust-ok False
5 Q8 O% I. N0 d# k! d1 Q: J( a* b2 R9 y( N6 _2 Y# S) y* L" f6 p% _
- T2 G' \- }5 N3 I( olet max-trade-times 0* m- }" t8 e8 g$ m& w) T# w
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]/ u' `. A4 q; O, l& {
let max-trade-money 0
' H }: S5 @9 o9 b v @$ q; V( Rforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
. K" X6 v8 p8 q* F/ i) Ilet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))3 y, d& m" U+ Q8 p+ B; |. d
! C& m, u0 w& l1 y5 V+ v- g: R
# V( V7 o# w1 C# Rget-global-proportion# Y" `) D+ c# E2 w, r% f: R, g
let trust-value3 u+ B+ ^$ u, Z( y: Q7 ~
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): Q0 O2 f5 d0 U7 Y# ]$ A- x
if(trust-value > trade-trust-value)
0 z( E4 e5 R$ S[set trust-ok true]
6 r2 a/ |) S. V. @% o. ^end% i3 K8 T' O; A! ]' W( z
9 c/ j+ m" C4 p; K( B- Wto get-global-proportion
3 ]( M- ]+ u3 C7 yifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)/ ~: Q: o6 L+ e, i. S
[set global-proportion 0]: o- q l2 z( R; w
[let i 0
, j) p; W( u- ^$ a/ A9 R" Xlet sum-money 0# s& F$ |7 Y& T( X9 h
while[ i < people]# A7 \5 n! D; X# n! R: I0 p2 U
[. S& m+ l- s, f0 c% y9 P G8 H
if( length (item i U* x4 a7 q' v- Z+ H0 L
[trade-record-all] of customer) > 3 )+ i" t% ~5 S) M! t
[
. i& n: ]. v3 X/ m I" m: Qset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
' m$ x: K: ?5 D6 R4 |# s]
O. J# ^3 p/ U; a. u3 { O1 j7 @]3 a# i3 G, ^) G' |+ D
let j 0( l0 w# U7 h% o/ h% {, m1 M
let note 0+ W3 ]! r! u7 l0 R' C/ N+ `0 b. U
while[ j < people]; u. d8 a8 S5 c5 i
[
0 C, e# I- C n7 B$ xif( length (item i1 f7 w( ]' }# t( h. `5 U& W
[trade-record-all] of customer) > 3 ) Z j9 m$ Z. v. {
[$ I# o- D& b4 x3 U: e7 L w P
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
# A5 v' t) I' d/ L- A[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
3 l# d- u! \3 A8 F$ V* d[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
+ y7 n5 l) q- f( I% i" ~' U]
) ?: x/ J8 E5 C* n% H% n]# e: @% g( l8 o, S" t' U4 U, z+ W
set global-proportion note
% ~, \, b, Y) ?9 o1 L, l8 `; T]% ]- J7 X3 o) j- G8 w
end0 C! _- |5 m: @/ Q
$ H& ?7 R/ A/ Y; `0 k! c p8 nto do-trade8 L- H5 u* |. t" P7 A
;;这个过程实际上是给双方作出评价的过程
" O9 l( d' X; lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价6 b/ j( m& }. M5 \6 s
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价. }, ~2 ?; t8 F9 g( w/ J( N
set trade-record-current lput(timer) trade-record-current
5 u: ?* }( e3 {+ F; c# ]5 H9 |;;评价时间
! _3 H' Y7 r) \# R! Gask myself [* @# t! ~5 P5 A# z$ K
update-local-reputation( J! k k' O) X8 m1 @ P' O
set trade-record-current lput([local-reputation] of myself) trade-record-current
& x3 V7 V* A; r- ~4 K, k4 s]
) V/ P8 C+ ~* L; h8 aset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself0 K8 T6 K" H- D# c; l* p) S
;;将此次交易的记录加入到trade-record-one中& D% s6 S/ H, Y; d5 r
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)2 z* j3 n* B$ L& t" H' y7 {
let note (item 2 trade-record-current )
( E" ?4 s j$ i$ Zset trade-record-current) I- y; C! d2 Z0 ^" s, E7 t
(replace-item 2 trade-record-current (item 3 trade-record-current))9 A% n% K4 t1 a; ^! A5 a5 q
set trade-record-current
# A0 g9 Y" K7 S k2 _* j(replace-item 3 trade-record-current note)- \9 [8 J( j* M* `6 O- K: x% Y# D
2 X& E) j( Q. u w9 w$ k1 M- Q1 N7 Z
! \' C% ]. \& J3 a8 v
ask customer [
c* `2 W& D, r9 [( d9 O! }update-local-reputation
7 S3 X G0 E2 l! M% ~set trade-record-current7 a+ `5 _2 \. G4 B% o0 M
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
+ T# ?/ e4 C* D8 m# a]4 [ A0 }2 c: g! K, L% M
+ w6 s! o/ h, w7 u5 i
. `. ~8 t6 e# w3 ~) kset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
: o4 D5 K, [8 t( m5 r5 a0 f* d
! @: i T5 J2 j0 x1 {: {. n- Q% Pset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))& d, S% k4 c7 S5 i+ ~; `- Q
;;将此次交易的记录加入到customer的trade-record-all中
8 K4 D9 \$ K$ h7 Y9 Bend
/ ^/ ~6 J J5 A' e, l, ?
# z' h ^ z" Jto update-local-reputation2 N" ~4 m1 v9 {( X
set [trade-record-one-len] of myself length [trade-record-one] of myself# h" H0 H: f9 ~; |5 a
6 g/ f: `; q% A, w& L% W
* e2 L8 ~( i3 f" \6 h4 T1 C) z
;;if [trade-record-one-len] of myself > 3
' h" ~, j6 b7 M& o: F5 Q0 d5 qupdate-neighbor-total) O' C# u( l1 O# ^9 S- q+ v
;;更新邻居节点的数目,在此进行, C$ U1 o0 t! F, Q' m7 ~
let i 3% l8 C: L2 Q$ b) H9 q* D6 W: c- e
let sum-time 0
l i3 [! L8 C/ v0 z- z# l. Ewhile[i < [trade-record-one-len] of myself]5 E6 l3 e- i' ] v ^. f/ }: d" s
[* t1 A8 i$ k9 Q% _' b; X B
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )' N! `1 N$ w2 [! r
set i# W& s7 L S. b/ k2 K- |7 A" S/ H% A
( i + 1)# y( Y- n. [* L7 D) \# ^8 m4 [
]4 ~6 P! [4 Z- m4 ^, C
let j 3
- n3 l4 \( m* clet sum-money 07 f2 f# k' n, W, r. m5 L, m& M
while[j < [trade-record-one-len] of myself]
6 \ B7 G3 f3 v[8 t0 l& D# s, @! I/ h! T+ `
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)# B# Y5 I6 \6 Q& n+ g# w& G4 l
set j/ q+ |8 @+ D% D
( j + 1)9 C) J) T3 V! R2 t( @
]
1 B9 x8 }: d- U9 k3 m% i6 F9 J8 mlet k 39 z2 E, U$ E2 A/ B8 Z9 z
let power 0
6 A7 E+ O% K0 l5 p2 ylet local 0
% u' Y) r7 X5 \% r& swhile [k <[trade-record-one-len] of myself]
/ z1 q6 }4 _. Z4 V9 y# N: m2 B+ A[ |# ^9 h7 ~; O0 M& k* Z; Y5 ^* ]
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)
, w [6 l5 l4 h0 h) kset k (k + 1)
6 w5 v/ I8 n3 i4 I; _ h2 P7 _]* {' |# z# K& ~. I: J, H" \
set [local-reputation] of myself (local)* z. n7 ~) n8 D2 }/ U# j
end
) U$ \6 i s. g( H' q7 W1 Q( g. U* d Q$ Z% k
to update-neighbor-total5 @5 N7 Z2 f Q l3 y: ^' M9 u: o
& K6 q& G6 F: [) d) [8 Q( Y
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ], H( V) i: s3 A5 C
' k# M% W- S: s
% s: |8 f7 X7 C6 x0 t0 Aend
3 w0 B9 p- C( i; s: ]) a" w8 C# |! f5 K% E9 Y
to update-credibility-ijl ! j4 N# ], B/ |0 b' ?) _0 P, M O
- f9 e7 B) Q2 \- |; 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。
9 _( M( f* Q+ K3 slet l 0
/ ?2 l9 s5 |1 [5 U- l# t' e Uwhile[ l < people ]; R! f# y/ a! h7 ?! k2 ]
;;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
7 _, P2 ^: z; V. D[% I( Z' `5 X& k+ b3 U+ L, R
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
/ Z. r) D8 C) v2 @1 f/ D- dif (trade-record-one-j-l-len > 3): \. M" n- a' s& ]
[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- g' {$ ~1 z. z8 f' U' ?
let i 37 C z5 i- [$ u1 h% z. I: A
let sum-time 05 p: v1 x. @1 C2 X
while[i < trade-record-one-len]
" }# K+ Y7 b% o4 M( P[
2 [& `5 t: v% _1 D+ ?4 O1 lset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
/ ?5 O# M# [& j/ d: i/ ]: C1 H4 lset i
! Q9 q6 b2 d; m/ j; `( i + 1)
2 f+ i% p, P% B6 K {% r]/ O I. G* ~0 U4 Z A2 s! X/ h% X# o
let credibility-i-j-l 0
# H3 m+ r) P8 R- [ R- s( g# k;;i评价(j对jl的评价)+ ^& e. n- \8 r( D Z* b& O
let j 33 y6 }" W$ O: `$ W7 X
let k 4& @9 Q" D3 t6 ]
while[j < trade-record-one-len]
# S* ^; e# I7 z4 o6 l[
; s7 j0 f! x. p1 mwhile [((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" C: Q5 C j9 s8 {9 Y% T7 k
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)
- i6 T. ~% k- w: r! U+ mset j# h1 i {, l- v8 \8 I7 }
( j + 1)+ J1 @4 D4 H) i4 o( e
]/ o) F& u- Q+ f/ S3 ^$ c
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 ))# e3 T0 V$ r; r3 B c1 h
) v( y9 L; r# b& z. N8 L- ]! Y
; k& _% G# o, l0 `. w3 \
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
' j1 n% |, ^6 C4 E;;及时更新i对l的评价质量的评价
0 T$ Z! \" f- e0 o8 ]! qset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]& f9 c" u3 q/ X3 R2 Y9 U
set l (l + 1)
/ Z7 |- P) n' K7 ?6 c]
7 H$ Z$ g- q# `9 x" oend
$ G& r: K& \4 C& r: t) Z- s& l0 |& Y" Y- c
to update-credibility-list
4 k' N9 O# V8 r1 I. S: Z: U$ ilet i 0
- h3 z# @7 D/ q8 Owhile[i < people]
# d2 c0 @) f, m' y[, N: B" X: x. B8 y
let j 01 E& O. J' E! T, @
let note 03 [7 w. n$ s2 y( u) g2 L! z$ `6 {9 T
let k 0
3 F0 N$ b. P5 S s% k* t! s6 `;;计作出过评价的邻居节点的数目
/ g. H; w# F8 N/ A# R: {; kwhile[j < people]
7 c0 N, c6 n. E[
0 d. @5 D7 N# b0 f4 f9 uif (item j( [credibility] of turtle (i + 1)) != -1)' E6 o- l9 Y# y' e9 @/ [( K
;;判断是否给本turtle的评价质量做出过评价的节点6 K, D3 `6 z% W, m' J2 ]. o( U
[set note (note + item j ([credibility]of turtle (i + 1)))) R# W* U( I' X0 O! q- l2 \
;;*(exp (-(people - 2)))/(people - 2))]1 B! F$ L1 K/ s7 R
set k (k + 1)6 i/ ]9 w: e4 P+ J4 M/ C
]# [: m2 l4 K- i! u, t. v
set j (j + 1)
& C4 i7 d, y" E! R, S/ c]( }0 B% T% j9 q1 @
set note (note *(exp (- (1 / k)))/ k): O1 T& f9 W/ C5 b" M( x" F
set credibility-list (replace-item i credibility-list note)
) y$ r) |, U4 x) u# ^7 [& Dset i (i + 1)1 Z x* r7 f$ C. i# O, B. \8 z) V0 _
]
9 H+ w2 \& n% T7 K' e4 ]% Uend
q2 I: G& S# R ?3 U! a, J6 Y1 K9 c9 W |! U$ |' j3 Z- W$ u
to update-global-reputation-list
8 i# }0 m8 K }" `let j 0
1 v4 j3 q" X2 I% C4 s- E3 rwhile[j < people]
6 O+ `" y( O8 \: b6 T[
1 \' n: K" Q5 i$ ]8 w& h" blet new 0
& S4 j) I& k7 e8 Y. b;;暂存新的一个全局声誉
0 a* K* \( [( g, flet i 0
# g% y8 {& G v0 p4 H9 Dlet sum-money 0
8 y0 ~/ d; [ R( Olet credibility-money 0% j! i- m% S v
while [i < people]
# p9 F3 T6 u* R+ U( b) ^; U4 W[ u5 [+ u6 @; r9 t2 d8 @
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! w) E, X& e! _& [" F, b; ^1 \/ j
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
}0 j8 o+ e% R- K. yset i (i + 1)
! [9 F2 c3 Z$ O, H2 H]. d7 G9 V- T' r9 v8 g1 S
let k 0) u$ [6 e2 h; O0 f# w
let new1 0* M- K( @( H3 B' Y- [ {8 ?8 Y6 |; y
while [k < people]
. u& U, b/ Y5 u- v[) X7 q: v, R0 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)
1 E& x/ A) H0 U9 N/ Eset k (k + 1)
; \; F6 w- r' {5 b9 ]3 s" m! z]. F, ~7 d# p$ a7 s2 y3 E
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
) b$ h5 B ~9 P; j0 X; qset global-reputation-list (replace-item j global-reputation-list new)3 s9 V$ z% r/ \
set j (j + 1)9 C( ^7 h6 l3 ~
]8 E" V$ L+ K0 }1 x, G
end4 j. _- }( W: s. y* e+ @ M9 q
. @& }. K$ D9 P$ ^. P
% e6 e$ o6 {, o: H1 V2 T( C2 G# U' H. n5 ]' b# `' l, A( d
to get-color, F7 l' x! D% n" E3 p! i
G1 p$ q2 Y+ r# [9 ~" }$ Y
set color blue
! a# e3 H; A! x M% jend
9 ]3 `1 g; K5 B. y- V2 |0 y
" g+ S7 h: ^* M3 U. z& Bto poll-class
0 n% @, z; S, [end
4 u; I; C, u8 v! O0 ]( p- v/ u
4 U9 d" Z' q& L1 {! j: x; ~' S8 hto setup-plot1
; n# y: ]. m4 j. T
% W3 m3 u% E5 X/ Q$ gset-current-plot "Trends-of-Local-reputation"
7 _3 a0 \% T# M6 n N9 M
3 M; T4 ~+ k7 N6 ~; K1 I: Dset-plot-x-range 0 xmax$ g5 h P r5 R1 h3 M" \6 j$ [5 j
; P4 s$ S, x1 K) hset-plot-y-range 0.0 ymax0 O/ f! v( B" |2 x2 I+ ]8 V) m
end% M* d# _. t I+ `' x, @
. k* k* @" R; i5 P. J5 r! L+ nto setup-plot2
v& I$ ~3 z0 e1 u0 p5 J. T$ Z3 ]/ p' x }4 \
set-current-plot "Trends-of-global-reputation"
5 ]+ A$ b! R' g+ h$ a1 S. g4 h! y+ b7 v4 k% T
set-plot-x-range 0 xmax
4 P4 Y; t: f$ T9 H' x0 y; j" b8 K$ Z) T( T& l4 W" o* l1 O1 H
set-plot-y-range 0.0 ymax8 b) l, j7 t# Q
end! Y* g4 H2 ^# ?3 K% Q8 r
4 G4 h- i2 i& v; u3 q( q
to setup-plot3
1 X9 [' N# r& |; j r( D
( c2 y" D: K% p6 `7 tset-current-plot "Trends-of-credibility"
2 _8 q* _" L+ I! T+ C
8 A8 [9 `* C) K8 d3 g$ E$ l* B1 v/ Iset-plot-x-range 0 xmax
( L' N( `: {" T+ F: `: T+ ~8 N$ m; @) c
set-plot-y-range 0.0 ymax( N% N; L$ y2 F' I
end( _2 h+ c3 j4 L3 L1 \4 R. W. k! R2 Y+ i
, z. Z3 h) }1 _" n! B1 r% bto do-plots
) s7 A6 y- T/ o: B9 wset-current-plot "Trends-of-Local-reputation"
2 y! F% h* h4 j- S- Tset-current-plot-pen "Honest service"
+ G: T6 I; |( X1 D' s9 Y' m6 G3 _end8 T$ R+ X/ r& v" k4 I8 Z; L
! O8 h5 c* B, ^. N2 |; t; r3 s[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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