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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+ U. I l o- b
globals[
5 m& V4 p( J0 y5 A8 K. u& m" [) o) l3 q& oxmax
. B1 u" a+ i2 P6 T' [- }ymax
1 _4 ]. Q# p! m+ G1 |9 s* rglobal-reputation-list6 O, b* i% ^9 M' V
4 l: ~2 [0 ]- K+ I2 [1 l/ H# q;;每一个turtle的全局声誉都存在此LIST中
2 H: C: Q, \: _4 w" q/ k& \6 ?credibility-list
( ^5 l/ p; [9 z2 @;;每一个turtle的评价可信度
# }! H, d% I! u9 r$ ~honest-service+ p; o7 {/ r; o, G6 O+ t) U
unhonest-service
: e6 R2 C4 B$ U7 H, v2 R/ _( r, Doscillation4 \5 s) K9 z$ F. X4 P# Q5 R
rand-dynamic' H" C% [& D' t
]0 c$ y& J6 X; }, j, p3 u% ~
U' X5 P' v9 S Q/ T, k8 e
turtles-own[4 x5 t/ O( g/ j9 i
trade-record-all
& ^4 R3 h. Y, o- V% d$ U;;a list of lists,由trade-record-one组成
$ R. r" Z# }, O8 j& y/ ftrade-record-one
" a5 O& N/ g4 ^4 q;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录' {) ^+ t1 H* _. [5 A
U7 B: b& l& }2 c( \6 _) b4 o! z
;;[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]]" G) z5 b& y% U# l
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]+ k- @8 a8 r; \( \$ b
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list8 A# ]0 ?+ p. z- ~
neighbor-total; d: x6 N t; A' _: `* I/ g0 T7 ^
;;记录该turtle的邻居节点的数目
1 F: O3 t, W* ^3 ]6 U( X1 z! ^5 Dtrade-time
. h0 |$ C& R ^5 s;;当前发生交易的turtle的交易时间* l- x5 d$ q* c
appraise-give6 i2 P* t1 Q1 n6 x" y+ P
;;当前发生交易时给出的评价& V7 y# D8 E# `$ o' K
appraise-receive( }8 ]$ N: x( M& p ^
;;当前发生交易时收到的评价- g5 V" ~6 S3 z' F( s' n
appraise-time! S+ ~9 s5 o+ `
;;当前发生交易时的评价时间
; Z9 r6 P! t0 Q! U/ c9 G, `local-reputation-now;;此次交易后相对于对方turtle的局部声誉 g k5 e6 I! [( `1 H' ^ K
trade-times-total
/ R, j7 g; {. l* T;;与当前turtle的交易总次数8 k$ A0 E" o1 H X( w3 {
trade-money-total
& O4 ^7 o* P r1 U;;与当前turtle的交易总金额
- _/ F* D& V7 W9 K/ a7 y! s/ rlocal-reputation
& G7 s$ x" U; Y/ T% Bglobal-reputation4 p2 D/ o/ n# I6 R6 ?+ F- X
credibility% ~, w5 Q' ~( p# B, f0 f* r
;;评价可信度,每次交易后都需要更新
5 Y* b4 a: W* S4 bcredibility-all
* R2 ^) S) {% L. B0 L2 h' n0 {/ r;;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
) f: K: a: h+ }& c; |/ Q3 l8 v4 @% `6 K5 C3 t" U8 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
- o5 M# {+ k8 W* N" Q- C0 Vcredibility-one4 ?# t/ Y! R p4 y2 t
;;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( F- E0 d \. h! D2 T+ }
global-proportion: u) e3 j' J6 V7 Y
customer* d8 ^( s2 H/ {& h$ V9 }
customer-no
+ M1 h7 P9 A/ p* M: Ttrust-ok
3 x+ L, d: u0 y% K% U4 H5 _5 i5 otrade-record-one-len;;trade-record-one的长度
, t' F- Q0 J! G4 n- ?) F]
/ @" P! d) s4 @$ G2 L. i
$ W6 r8 P/ m# Z' v( j5 j;;setup procedure
$ _6 W7 b- Y3 [. O" Y$ b" v% d
& k5 h }: F* n' z( Eto setup
7 m! z9 U) l9 ~% d$ ]- |: T0 u$ u# I/ u$ g9 K3 z6 m; E
ca
6 ?! ^. Y6 Y3 Z
! B- E/ B5 ^/ Pinitialize-settings
2 x/ z v" ^) w
0 H+ t2 w' n, r0 Jcrt people [setup-turtles]0 T* P. X+ d0 N4 I8 c
. I5 A4 U: }9 E6 ?8 t
reset-timer. I! ?8 M. C7 }; b/ {( V
( A2 z9 T2 J/ x5 J& Ppoll-class
3 j' `: G, ]. z8 g, o. K
: w6 `4 D: a1 V3 Nsetup-plots
% [# ~3 O9 D4 R; C, v; P
% l) T1 X. t* V% `5 k, u! Rdo-plots
9 n& B+ u$ D7 I# x) O0 S1 m: ^3 vend! Z( M6 m* z: i
9 q0 \* g8 }% l2 p
to initialize-settings
/ k% v% I4 k+ v- M* L5 G2 F" Q% g; E* f" v' N
set global-reputation-list []5 ]3 B7 o" x( A$ Y8 M2 ?
o" k3 j& e nset credibility-list n-values people [0.5]2 L& Z4 V* `- F. o0 {" f' @" b
7 ^9 L3 {& d7 W, x+ ]: m" Dset honest-service 0: W& f( r4 N& o, y# g
! u$ M8 U7 c2 y/ Y7 \4 o) o; |+ ~ f6 y
set unhonest-service 0/ g( @3 Y, O( F$ W2 A, l
$ V# K3 [0 i' [5 H3 |+ g6 ?. x
set oscillation 06 \5 O7 d7 r: m( E; i
* Y( X0 s6 d; z( k. x% Z9 J, Eset rand-dynamic 0
! S9 w' p* q1 y W- J; hend6 y% ?% W/ K3 p; s8 t
+ z" D6 s+ S7 d* l6 X
to setup-turtles
/ e0 W) q }% aset shape "person"
. y7 ?7 @ n) @9 I* h5 i) Csetxy random-xcor random-ycor% w4 A1 H1 f8 `
set trade-record-one []6 M0 f0 K8 b* j) p
( ^# e, E0 I" t7 H3 m- g4 q$ y
set trade-record-all n-values people [(list (? + 1) 0 0)]
. Q2 p- x) ?7 I: v! _! x: |/ i2 |9 C6 h; Z1 u% H* E: a% K
set trade-record-current []/ J2 ]( |" H7 O3 e$ c
set credibility-receive []
* t- d8 j F4 E9 t5 |5 eset local-reputation 0.5 k; f) z, w9 W, I! ^! N
set neighbor-total 0' f+ `* |: A) K; b. ]
set trade-times-total 0" \( I" Z9 \$ S- B0 `9 C9 z4 N
set trade-money-total 0
% ^7 l4 `. h' }set customer nobody
* w0 [' W# i2 \8 ^) M9 ^set credibility-all n-values people [creat-credibility]9 ~* l5 |! ^& p. x; T5 C1 g
set credibility n-values people [-1]4 U- b% k5 j+ B
get-color
1 s& ~ `! U+ e* {) [* w" M/ G' S
end
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to-report creat-credibility
- c. d1 t Z2 ]. I/ freport n-values people [0.5]4 x8 T3 x8 h' _4 V/ t
end. I8 Y3 R1 t$ D3 q$ ~9 \. Q' S. [: D2 W
+ R3 \) O$ S8 g; t* f8 wto setup-plots# {8 z/ F! g: c5 x: x, ^8 _7 H2 P
5 F. B+ z, m+ u4 A5 Yset xmax 308 E7 f* \* A" k) s* z c% K
* y+ @- G8 P! u. a& h
set ymax 1.0
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# {: d- R" J9 U& w% e5 s$ K5 B; Fclear-all-plots% l; U) E6 s( W" w, j% ~
`5 I0 K$ U+ R8 D% f
setup-plot19 }; i* L$ a! r. W
& I i& t; p. c; @6 X. F1 h3 H
setup-plot2
! I: }/ Y/ _7 M9 Q2 I' O' [! g- S
, E( j0 {. Z9 Q7 C# Ssetup-plot3
5 }2 \' U% U1 ?0 H: C9 s1 Dend
( r& i# M: m/ V1 |3 K
2 L4 q ^% B0 H" t/ |;;run time procedures
5 r) _# V1 m6 c& y5 b% ]1 j/ ^% w! U/ X: z6 N) q, p
to go
; a. s; A) a' D" W" d+ y; o8 A; j n/ s- \
ask turtles [do-business]* }( X; ]. U v( c, {+ o
end
$ X( @0 W* K' l6 _6 A, e# E9 r# `5 D( W$ k2 c l
to do-business
4 G. A. |& c- Q4 p/ l) {* k# z
+ C+ V, n) i) q3 {+ Q5 Z- i8 k% m0 D$ g1 U- m$ U$ a- a' F
rt random 360
- ^2 V: `2 T6 z' P4 I, e1 W& Z5 y/ A6 h1 W
fd 1
. M5 G* C+ f5 ?
& P# H5 h. u5 s2 oifelse(other turtles-here != nobody)[2 T- d- c* I' n" O4 h, E% j+ }; j
0 h: L2 W- {& {; kset customer one-of other turtles-here. R; v2 z" U7 w( ^+ a% e, Z+ b% g8 r* u2 d
4 E6 c" l( v6 M% F! h: I;; set [customer] of customer myself
! g) t9 j4 j L7 _- k+ t8 X& a( X! I) F" l0 e2 s# G5 J
set [trade-record-one] of self item (([who] of customer) - 1)% l: S+ `7 `, E R, D% ^6 M/ G
[trade-record-all]of self9 t. G p- f# f4 {' B' m5 J, h
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
0 G6 y( q2 k: h7 i# J6 u+ F& D& d* H1 x
set [trade-record-one] of customer item (([who] of self) - 1)4 A& t* g( G1 Z0 M2 o' l
[trade-record-all]of customer
2 h4 |5 C) @) e; \
) c) U6 S/ j v Pset [trade-record-one-len] of self length [trade-record-one] of self
; x" b8 P- o# G# C3 Q+ o& A5 U: h* t( E/ O, J
set trade-record-current( list (timer) (random money-upper-limit))+ A* a M% j6 z
9 r7 E6 l$ E6 `0 Nask self [do-trust]
4 L7 }! W- y! ~! |# R+ d;;先求i对j的信任度
. e( P ^2 P/ A- k$ ^) N4 S( p# a* K( D9 h; A
if ([trust-ok] of self)& V; j9 T% f6 l* ^( c
;;根据i对j的信任度来决定是否与j进行交易[, A$ B m3 t1 i9 R9 L6 t2 M
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
# D: g4 N/ ^7 M9 q# P9 ]0 {
( x3 P# O" }5 B+ z7 x- H[ k; D- o) ^0 w V9 Q
3 o$ v. B+ A% D2 p# f# kdo-trade
! K+ w. ~& p% d6 D1 e- G
" `4 u& P: C! G8 o# ] {4 P& eupdate-credibility-ijl
Q0 q) j5 J& {9 F# J; }6 W6 d
" t5 c0 a% I3 G- J1 ~update-credibility-list0 I; @( u: b) m. D. r/ e
+ ?1 A. @- o4 @ G1 y4 ] C
7 Y1 f9 N/ U5 l2 K" Y- D, t: }1 Xupdate-global-reputation-list
) x$ M! K, q. u0 j5 b+ B( b
+ d4 F5 j; N- F6 Tpoll-class
1 Z/ F9 k* `7 V1 X5 U' i4 H! `# P5 x" ~7 G! W, O" T% z
get-color9 D( n, o y; g' R# \
' |! m, Y& U2 E r
]]1 h, N H5 K& C! T$ m
- O) o; _$ s3 G. O3 F;;如果所得的信任度满足条件,则进行交易
( P% N+ h! X' u$ T5 K
* |0 G6 K2 G$ D4 H[
4 G9 D g7 L4 k8 p$ Z
# Y1 y2 j+ l/ Y0 @rt random 360. p; W' K$ f# `& h0 J/ h0 ~4 z9 A4 w
. f) N. H. _) @" [2 ?
fd 1
, \* l& D1 [* q6 Q. u. J8 D
/ U" O l' \: i. w]: _8 ~. z; b/ ?! ]
' w9 v O9 \5 w. I/ _8 zend
; |+ n3 I+ t1 |) D E, Q' t( |' z% b5 t/ m3 D* B5 C Z4 [# W
to do-trust . J, t e: A8 B$ V2 l* \0 l
set trust-ok False: L: C/ U; {3 y% G7 {
* h) n. P* J6 s7 N) u- j& Q
" J* N! ^# g+ J* M K
let max-trade-times 0, w$ h! e9 g2 [3 C
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
% ?; A/ Q& C4 Y3 Y) z Nlet max-trade-money 0
) i( {8 c' X+ G: N: Y1 A) M, {, O& pforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]: J4 r* p/ O* |# V2 C5 c
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)); l2 L& O. o2 L0 k
: ^/ _ P( c, p8 A: x
. q" ?/ v f u( o: R! ?5 L: Qget-global-proportion+ }( x* g/ [$ s: I b
let trust-value
; t* J6 O$ [0 [$ B2 olocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
8 R8 i+ }) A/ W- Y" n8 \4 nif(trust-value > trade-trust-value)( k3 {8 K$ D& z% g( O9 O: r' Z5 a
[set trust-ok true]1 L" S; }( ~4 Z4 a+ R9 Y
end
, }/ @( Q- \# t+ a$ `7 x
2 o/ E! w( B) ^; L! J- o3 qto get-global-proportion
' @2 C, B# e& R0 u( E! F0 E$ @4 }ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
' Z. y. N/ P0 k# T+ K1 `[set global-proportion 0]6 |, e# h7 N4 S/ s
[let i 0
C2 L* ^. D5 H& [7 ~9 G0 mlet sum-money 0( T( K: a8 U1 t0 ?
while[ i < people], Y/ O4 p; q$ J r3 |
[
7 [/ u" R- ]/ L. o7 Eif( length (item i. ^) X! z/ Z6 f! }# G
[trade-record-all] of customer) > 3 )- C. q1 Z* y, `2 B6 P. y
[
* i& k" y3 X3 Sset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
, W' k) b1 }# L]
5 Y1 a2 [# |9 \" t]
3 J X; F" v2 m u! {% E3 ]let j 0) p6 @2 R4 D5 u6 R- M. v
let note 0
5 ]5 Q& ^( J5 Y& s! t) ^while[ j < people]* S) f: V: \/ V# ~4 k+ u& j5 V) g
[% Q% _$ E6 m& w+ ?2 g3 F [1 M
if( length (item i
9 v; {( h, z, m2 i ][trade-record-all] of customer) > 3 )
3 S$ `5 _( `& f. x. u f6 M[
+ Q( S; [5 I: o$ w- Oifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
5 V. b. C) v, C8 W3 S4 e* B3 D[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]4 y A. S0 t# P# |: h# m. M
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
4 d4 K9 s3 r) O1 c# x]$ O7 N5 ~: {! m# ~+ o1 `% k
]
; E& t1 ?7 I m- Qset global-proportion note, f7 L V6 V* P7 ~; e% {
]7 U; v( x& r9 m
end
' `6 d9 Y% b) U' h+ M- Q' l9 s+ a1 ]' E$ `7 E0 @+ g
to do-trade! M1 W4 Z+ |, O: q' H
;;这个过程实际上是给双方作出评价的过程
( M. f( {% h; ^, Sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价* z+ R: M8 j- |9 `: W
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
/ z% X: a3 g4 `" q7 Y. nset trade-record-current lput(timer) trade-record-current/ m; C5 D- Y$ }& D& o0 y
;;评价时间7 i1 ^, l" r# \( b. Z" y1 B
ask myself [/ l7 p2 C5 V8 @# S3 z
update-local-reputation
2 |1 x& @. G" `( f: }1 xset trade-record-current lput([local-reputation] of myself) trade-record-current
) e! v. k6 g5 u1 @" j! _]6 Q) x+ A5 {: V! y' a( U
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
6 c L' I, O6 N! E;;将此次交易的记录加入到trade-record-one中' k* F: \, U. }% r* \) S& z
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)( [3 w8 c' h k- ^- M% ]
let note (item 2 trade-record-current )
?# X0 `9 b; V: ^# v& C* |$ v7 N5 Cset trade-record-current
! y: S5 i6 K+ v) m(replace-item 2 trade-record-current (item 3 trade-record-current))
) k8 I& R6 }; g& V7 p* ?1 zset trade-record-current
* M) R- V6 L, @1 t/ ](replace-item 3 trade-record-current note)7 f; O- {; }: e0 C
' h7 M, A, V4 C
1 w0 T" ~2 l! C5 L* e
ask customer [
3 F9 x2 j9 g9 lupdate-local-reputation* H3 U( a7 X, [7 |: q8 t
set trade-record-current
6 ^6 r% L. c. W(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
: b# f4 i* O J# e0 k/ X]1 o! |+ x; \9 g8 o* ?( O3 x
" X- D4 M) m" |& S* i6 `4 Q5 Z
) m6 e1 b7 G2 f2 C0 o0 ~set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer# k4 i; K% J3 `
: s$ K/ b6 K: V: {( l! y' w+ Gset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))7 l7 O6 i/ t3 e* h* D
;;将此次交易的记录加入到customer的trade-record-all中. C' l7 Y' s: J; g' d& `, f9 _
end6 n5 L& N3 g- h- j B
% U" G- ]$ f+ F {
to update-local-reputation
! {" v, J* O y+ Hset [trade-record-one-len] of myself length [trade-record-one] of myself
1 I' X$ b( P+ w- K7 z
' A% p( e+ `4 @$ i8 Y1 s
$ `5 [$ |+ S& Z: j3 ^! o4 r;;if [trade-record-one-len] of myself > 3
7 S9 S; W5 ^) Zupdate-neighbor-total
4 G" E4 {( _, t) C8 d2 F- S2 ]# F4 ~1 f;;更新邻居节点的数目,在此进行
2 `0 X- _. D0 R* klet i 33 r& v H2 w/ z+ H: N6 q' f
let sum-time 0
0 j; `6 B* F6 ]* A" T9 Vwhile[i < [trade-record-one-len] of myself]) {7 J% [- s* J8 u+ b
[$ D/ b I. u- |* V5 h# s
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )2 N ]2 {: q5 E7 ^' A4 U% }2 Z
set i7 b3 {- Y$ C: S/ h
( i + 1); |5 y9 H' e& z4 K4 M2 Y7 g1 t Z# O
]
2 {4 J: R- U, llet j 3
( ]# @! g! i7 U% |let sum-money 09 v8 G5 ^2 i8 R8 g1 O% Q# P
while[j < [trade-record-one-len] of myself]
8 Y2 b; q( b( {( r1 _! C- L' o[
* z5 q' G; j) G1 B4 G/ y% Vset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)3 [" C/ }7 H, I8 `( x% t5 L
set j. k4 ^0 e$ Q1 n! W b9 b
( j + 1)
( j4 J9 f. Y% I* B* J- ]]% R) C+ g3 Y! `6 a8 @. e
let k 3
- U) X7 i. x1 P3 Y* J" p6 blet power 07 |- [3 I9 \( u6 J7 v
let local 0
. k* f3 h/ U/ z J" A6 w4 Qwhile [k <[trade-record-one-len] of myself]
+ H5 V) ?6 l: ^ d[5 k- @0 }8 q$ l8 V
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)
, }% W4 S j. r D% i8 E. Xset k (k + 1)
" J) O- Z5 D2 p& ?! C]) u# p1 S3 V$ \7 c2 e; C
set [local-reputation] of myself (local)
1 S c: u/ x1 t( d9 gend
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to update-neighbor-total
2 p6 Q7 O* f r1 Y1 S( S
' K& m9 n# S' l4 _if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]; b8 v. E, b0 J4 q: M
5 _" `2 w) f* X, m; f" K
4 [- e, j! T7 A/ ^end: j2 G' O/ g4 J* [& [$ ?1 G
7 y4 i: i; z4 Z2 y k, h
to update-credibility-ijl
/ T% h! r8 s+ o* x! b2 p! [9 o& {( x
; }9 Q% r% c+ {; v: V4 a1 };;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。
& _4 J# p7 {7 o2 T3 Q3 T* Clet l 0
0 I: u2 U& z& J9 j4 f1 V6 T9 jwhile[ l < people ]
- ?" V5 S0 U- x3 H9 C5 u1 \;;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 v$ k2 f0 t; A2 {+ ? T& i[
) j3 H) v. q- c# Y! Q" ^let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
" O3 J5 @7 J" _& H$ C3 u5 Q. jif (trade-record-one-j-l-len > 3)
2 O- B6 R& @& 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-one7 `5 h$ V( {% D
let i 3
- ]+ w u5 G8 d5 y. klet sum-time 0& L+ G: {2 H+ T! h8 d+ N/ o6 F
while[i < trade-record-one-len]
$ Q( @- A1 ~/ q: Z[
. B; g) t6 _3 M/ ^: aset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
* M0 ~( R$ D+ k1 r+ W1 @set i
+ g; p6 o; f5 Q! f- A& K( i + 1)+ @3 Y2 ~ d9 m2 J
]) ]' ?( f; }/ y% F
let credibility-i-j-l 0# U& I( E9 f% G; \( u( a) x4 x( ?
;;i评价(j对jl的评价)6 i7 T; ~& T0 \0 M( E$ A. a: ]
let j 39 P" U/ {0 b. \8 f
let k 4
# ^4 S2 Y3 n' d6 U% H, Ywhile[j < trade-record-one-len]
: w7 e. i5 W7 s, L$ k[$ D& }+ L& N& m, F6 J( Z
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
% r1 Y$ P7 L A& J% Uset 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)
: u6 A) W# f K5 H9 xset j
8 q( A& n. g' o D3 `( j + 1)1 o/ A2 \! m1 |) K# i* S5 W$ |) J4 o
]
% M# S( M# v8 {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 )) s. T/ `8 r# k
2 m6 K+ b0 a) c/ s7 @
- Y( {* E5 h; N7 o3 G
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))) m3 M4 u4 B% b: X
;;及时更新i对l的评价质量的评价
8 B0 ^9 w3 k3 _( w6 Fset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]8 D9 l; E, D6 `" X; m# N
set l (l + 1)% p, \% m9 c/ x) T/ }5 _- u# ^
]& j3 U# p- P1 t) ]
end0 s% v& o3 I) `
3 o+ }, a; N% Y" [
to update-credibility-list$ P3 P2 `, D ^& z
let i 0" g7 P. ?* O2 x' B& Z8 D2 {1 { o& u
while[i < people]$ O0 d9 n- `+ s
[
0 |/ l' N9 R* Z: Ulet j 0& O4 ]2 ]# {5 i) ^
let note 0; U& r( d8 ]3 P
let k 00 F5 ]& b4 i0 u4 _+ |3 P) ^/ o
;;计作出过评价的邻居节点的数目1 w3 x; P H' ?% @8 s; @, r
while[j < people]# ~" \( i, X: A: b3 |
[: |; T4 y6 v2 w4 O( M* I ?# b
if (item j( [credibility] of turtle (i + 1)) != -1)
& b/ x0 y: Y- D; S8 q5 U) m/ z5 };;判断是否给本turtle的评价质量做出过评价的节点
2 \) u% R, B a( A0 F$ |[set note (note + item j ([credibility]of turtle (i + 1)))
7 H. z! T2 q. ^3 G( z. F2 B;;*(exp (-(people - 2)))/(people - 2))]
+ r- {7 t( T& W% u4 R& Hset k (k + 1)
6 k. U0 g/ S3 |]2 u% r! P2 ?; |
set j (j + 1)
3 O2 c( h5 J$ b& r0 Q+ ^]& ^! Y5 ~/ I+ F
set note (note *(exp (- (1 / k)))/ k)
; i) {; g3 M7 X7 Xset credibility-list (replace-item i credibility-list note)& k" g: o7 E* d2 S/ z- m$ ^+ c
set i (i + 1)4 W2 M0 C& W' [! f' V( x1 Y
]- n. x' V- \7 v2 x3 @5 \% F' t5 k
end4 x0 J0 n( N$ ~% E# x. M; K* F9 l7 G
8 @, M$ T: n% |. k# ]/ \$ U
to update-global-reputation-list
/ j1 |$ D, ?. g7 g% ?+ H# tlet j 0
8 q) y' Z4 b' h! Uwhile[j < people]
' D2 [: l- k0 [9 E[
) q) `0 j' a8 Y9 x ?) rlet new 0' d2 x+ a6 G) u+ x: V
;;暂存新的一个全局声誉5 r$ g+ w4 w( X! J( Y
let i 0
) n- w+ e6 X# A! p. klet sum-money 05 b5 F& I7 [3 `0 ~, F4 T! [
let credibility-money 0' _! H/ m4 `" e
while [i < people]
+ n O% Z$ @: {/ `+ K[
6 w* L: f& X- r _9 hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))( a. @ s' }0 R! B6 Z U/ d$ \
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 N7 K9 |2 r; f. i# Q" i' o7 Y! o% D
set i (i + 1); i& B; _1 g3 v$ s$ K W
]1 {8 l; x; l8 u8 C2 f
let k 0
8 v) l: T. }# a2 M- C* Slet new1 07 P6 y2 m ]# E
while [k < people]/ D F7 Q! `( m1 p' Z; { G( Y8 |
[
2 R' L3 f9 Q* {9 m: [! bset 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)
* C( a$ C) B+ d9 O# @set k (k + 1)
$ P3 g2 d3 ~5 Y3 M/ ?. _5 q]
2 y# g! L3 w0 Sset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ( J; Y5 I$ F5 `. a2 c, \. j
set global-reputation-list (replace-item j global-reputation-list new)
( r" S( c! I9 d: d/ z1 |& aset j (j + 1). A, z) o) ?8 B% F' F
]/ E- D [- d1 ]% u+ v. U4 d# C
end: a" T& q9 n' k4 ?$ L
2 p; p' R- ?5 w9 g
/ r9 c- \- M' U! t) O: p# f
0 ]8 r: d/ w5 v. x$ q
to get-color
, m/ _- w: g5 e. J9 _( ]. Y3 A/ p: L/ @4 O. k1 J0 R
set color blue
2 f. L' \$ K& M1 }end
. c$ v- f# C$ U3 j) v
5 V- m" f& X# [ ^to poll-class; |+ T+ ~$ Q- j) D* x& m
end
2 y) m. L& B$ S# f* N7 F3 X9 E( I" d" }$ M
to setup-plot1
6 K# Q% ^1 E+ D7 }9 \7 K
* E0 _/ g6 n3 u) G. I6 ^set-current-plot "Trends-of-Local-reputation"6 e$ ], R% |" x9 p4 @
. w: i3 v' {0 @+ {- q# T
set-plot-x-range 0 xmax b7 A: ~2 R0 E1 D) n7 j
7 X+ U2 B8 M+ U3 d0 o5 k. |( Y4 F
set-plot-y-range 0.0 ymax
4 l! g# f$ ?& r) d( Lend7 s2 Z/ Y( v/ V# K5 f6 \
; A3 H' T2 {, q9 i/ v# \3 sto setup-plot21 @1 R8 \% A; H, I! v& \
' a. n! Q& {/ o
set-current-plot "Trends-of-global-reputation"
9 ?6 i+ [/ R9 g& @
, h! ?. [$ Q1 B' h$ V5 a1 K! f( Z- iset-plot-x-range 0 xmax
7 M( B+ ?) {% N; q
' w" W, V( B; L( i6 u+ W5 Gset-plot-y-range 0.0 ymax/ O7 S# \7 U+ B2 e ^; M) R
end
" o% s Q: b3 e& a. X, E
6 S4 ]4 G* h. u7 x) ~3 eto setup-plot3
* a" T4 m5 |6 J. q& i- L, G# p4 [. I" Y( O
set-current-plot "Trends-of-credibility"
: D5 u3 L0 V& a ?: t3 Y- u7 Q/ A, ^2 @' U3 }8 S6 j+ R
set-plot-x-range 0 xmax
6 r* ~$ E- [8 q% n
5 V; o6 |9 ^9 b9 T+ }8 tset-plot-y-range 0.0 ymax
% }& P, W) O C, ~5 Y- N" yend
3 @. h" L, H, U3 f7 P( r
7 N% {% K5 W! ~0 L8 |0 e' }3 {% P pto do-plots+ S$ T/ V* f9 d8 C2 T! i) @; v4 Y( i7 G
set-current-plot "Trends-of-Local-reputation"$ z1 j* P( B X3 `, ^
set-current-plot-pen "Honest service"
' V+ O, a) S: l5 F" k* e+ yend3 z. ~0 e z! l$ [
/ `1 x: T3 f2 x9 e ?1 r0 A
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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