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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
& a9 ?! |- s1 W" `- S+ q/ yglobals[6 [0 G$ X& B, W" M1 }3 v
xmax& H/ f1 _4 ^4 ^/ o# T$ K' r$ t
ymax
, z- x& i- y# q; D+ f; S! xglobal-reputation-list
' q: L! j% I. r1 l7 M7 q
' c# W+ K, x1 O) G( t& Y: ^+ j;;每一个turtle的全局声誉都存在此LIST中. J; i5 E2 O- \6 g
credibility-list
. \# n6 N" R9 q7 R/ x;;每一个turtle的评价可信度, v, F# B# \% e* ~" ^3 G* {8 C
honest-service
. H3 L% s& n. t C9 uunhonest-service6 i: z# S* Z* |$ z3 G* m
oscillation
4 E7 Q; n ^; X; T% H+ ?/ B* Lrand-dynamic9 n5 u3 m6 A4 v' T
], L+ Z, `3 s0 _2 A0 f# k
( j, p2 }% z6 e6 s# _% L$ o4 xturtles-own[- r. Q$ U/ l: b( `. H% m3 F3 x
trade-record-all8 t! b6 p' F" n+ n$ n
;;a list of lists,由trade-record-one组成
6 g- V9 u, Y. R& N- `/ Ktrade-record-one$ x% F* G" B& D* {* C" u
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录; \8 z, ~3 v* `5 F
. D7 V+ T/ M6 l8 t;;[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]]/ c* x. H; g6 P$ {* e
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]
# L& u# F. X. C/ ncredibility-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& D5 C M; Z# ^' {
neighbor-total: [& | x0 T- a: Z+ @' ]0 S
;;记录该turtle的邻居节点的数目
6 X7 n5 G) T4 i, H) u" e' itrade-time( R. H/ t: B/ P, c) X5 {4 i8 z
;;当前发生交易的turtle的交易时间
8 o y3 u+ X/ b1 kappraise-give
1 n' ?3 R. ?1 U;;当前发生交易时给出的评价
2 G. W g+ ?- ]& E; Y! f& ^appraise-receive
+ e7 w5 n( A$ b;;当前发生交易时收到的评价 j% e2 v1 `* j% _+ C
appraise-time
% T( Y6 B/ v5 I8 ^4 L% m3 ~3 @. ];;当前发生交易时的评价时间
' t5 c$ `6 ?8 Llocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
& i7 B& v" d" b* B5 P& L6 f, x. dtrade-times-total& Q0 [0 k+ X+ G8 B& c4 N
;;与当前turtle的交易总次数* j3 ^5 }2 l$ F/ Y: f
trade-money-total
4 U# O: T% k1 @) d. q;;与当前turtle的交易总金额
0 t5 y/ C1 U) F9 r" rlocal-reputation# t% N3 z) H9 e' H
global-reputation" z* T; K/ F: O8 d; ]
credibility& Y8 @6 ], F8 c9 |# I; u1 a
;;评价可信度,每次交易后都需要更新
/ d6 S/ L$ d; @* Hcredibility-all
$ C) t+ y6 k7 E, k6 H+ z;;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
! o+ u" U5 E- |- n0 I+ \: f+ `7 l; S( O8 T0 I. 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
7 T& Q* E8 Q* @$ t0 H; bcredibility-one
# Y& k5 F: k8 U. v;;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; O2 g/ l% \4 F, k* E7 n
global-proportion
3 l. k, x& ]) z. M Bcustomer4 [( ~( @5 P1 Q; _6 u$ J, j0 A- R2 O
customer-no
; y. z# B4 g! v0 `trust-ok+ \* T& P" I% q6 H: R' t
trade-record-one-len;;trade-record-one的长度
8 O) G- _# z' q/ Q+ L]
{- h( K9 N7 W7 ]5 c' S( Z- q3 q& l
;;setup procedure8 I3 g. O, j" v! f
9 E7 y: C. E" \+ D- X: bto setup
5 I/ s H+ R7 X/ O+ s( v. `9 N$ `: c2 Z$ e; o# s
ca; ~7 Y. }1 M/ h# E0 ]3 a$ J0 m, x
) s8 F& P6 X h- l1 Binitialize-settings) o2 W( U: q" O0 v" D
* L5 [- S5 O& | ]" f9 u7 m; |( Fcrt people [setup-turtles]
7 O8 p% b8 e* Z' _& G8 o
) I8 |% P0 V5 f- C3 f$ X1 |reset-timer4 s* B$ T5 ^& `' ^9 ^0 Y D! V+ B
1 k! x3 x+ ?1 b8 {/ f9 t
poll-class
& [# D* d4 p; |$ r" _% j P4 r0 k1 o& [% r2 U# ^5 d9 R
setup-plots
* t+ u& s" ~' M- W
- H+ c1 O/ n3 {# i- v, l4 J/ ~do-plots% t5 _' P( Z( [! v* U
end
; z' a0 N- A6 D" S
/ C' d( f+ G- F+ w9 N" ^( H7 Kto initialize-settings7 W& o7 y/ z8 j6 f. }( v1 W8 s2 T
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set global-reputation-list []' n8 }7 h+ p% H. @; A* Z6 U0 R
5 ?$ w& }7 ~$ A9 |4 _4 b& l. c. kset credibility-list n-values people [0.5]
3 H$ z9 F) c( d) n7 U2 O% q
, p: R- P1 K0 Y: _3 Z, e0 y/ D* H# t* Gset honest-service 00 | M& N( F8 ~, u( U
0 |1 ^- i5 i0 H. ^
set unhonest-service 0
* R7 O8 B8 i3 i4 R& W9 f! R9 ^7 O2 I& n# y
set oscillation 0( U# L! g% t! T( g# }1 k
* M, |0 H8 n/ i4 O: h+ n
set rand-dynamic 02 J X$ y! o& o$ f
end
$ f' L: { m- a' O# p6 e
$ j) I) C5 E. N5 R) A" c( s% j1 uto setup-turtles
- d5 b/ F% t/ Nset shape "person"5 k; }- e' s! D3 U& @
setxy random-xcor random-ycor
/ E/ x; H2 R3 M5 x( Wset trade-record-one []
" O; n% n8 J3 [* T9 J% M2 [5 {' X6 T" f6 o: M
set trade-record-all n-values people [(list (? + 1) 0 0)]
5 V' R2 G8 M {! N4 y2 F* q, B: n2 \1 z% S
set trade-record-current []
8 b: G& n9 P, S5 `5 E6 Rset credibility-receive []
3 u0 ?2 V' n( h" i/ b% S3 Qset local-reputation 0.54 y, J* `# \5 v( D, G, B
set neighbor-total 0
' W1 ?. y- v a W2 ^7 r% Zset trade-times-total 0
" T! e, M8 y! q9 Z% rset trade-money-total 0
/ x/ }4 R( c) j% Kset customer nobody
$ J" G' B3 i: @7 K- W# u7 k+ Jset credibility-all n-values people [creat-credibility]
3 n0 v, S# K; i# t" O1 Y# B" R' \set credibility n-values people [-1]- X# Z6 |8 ~" H$ n- `: B' e. D# y( [
get-color H# r- V1 O( O& O& @
) ? D- ~. _, G2 Z% L7 }
end
, S' r8 d& d2 U% v! {+ U+ P
5 B0 E1 M4 g4 e( o% K5 bto-report creat-credibility
' a; L7 h$ P: [' m8 A) Treport n-values people [0.5]
# F6 h- Z8 L' o5 w }end
& k9 [4 b! w( ^
7 Q u! {3 x- O, F" c4 |to setup-plots6 i8 D( ]9 e7 }& Q2 u5 {
1 | q. ~# r7 a6 a" ^% iset xmax 30
8 C5 u$ C2 r. L* K- P0 k+ g3 Y1 b7 z( H7 O, Q' v" l* H
set ymax 1.0! l3 l E8 W) R) G+ h+ J6 F7 T
, P& ?) m4 a9 Eclear-all-plots
`* X/ g" @* s5 |) O5 l& _! W; p# W* z$ p1 I
setup-plot1' E+ A6 g6 \+ H) J
2 t) |! ]# s8 d) Q% X! l, O4 h
setup-plot20 L. Q4 ?# J; K/ o: o# X8 w! y$ r9 H
, t3 m3 S& [, w osetup-plot3
& ?5 r3 }0 f _: ?# ?end* H/ `, Q( i6 D% h- r4 h1 j
$ l- A: E* \7 \$ f- T5 `0 }2 h;;run time procedures
; D7 h6 j% D7 u0 m; D" ]
! n8 j; M& }/ a5 gto go ?5 C- X, z& D; ^7 |6 n
9 m9 N8 N7 b$ ]5 @ Y1 |2 Qask turtles [do-business]2 n" a. z0 m! Z# V
end
/ D; {* d* h% y6 m- C: n- N4 m
3 I4 f \; N; jto do-business / F/ B5 M5 Q1 G+ t' H
) o, {2 }6 k' e
& y: Q# P' y$ [ ~+ `# H l7 A3 E
rt random 360
3 b. v6 e. M4 |* p( ~* j/ q, c& u- f& {- T5 H& P
fd 1$ m% b' _* \/ g) C2 @
5 T4 O# t6 @! q5 F) ^
ifelse(other turtles-here != nobody)[
6 R7 D3 x$ B2 W. |+ }% Y+ {# o9 C3 p' V5 Z( B! c3 f6 a
set customer one-of other turtles-here
2 C) u; ~% Z' m* E/ r2 R* M% n0 l$ |- N
;; set [customer] of customer myself
7 H }% Q5 X/ d) X1 g, h
# H! Q' u3 C. k- _( t: W' }0 C8 eset [trade-record-one] of self item (([who] of customer) - 1)6 T* N `) C7 ~& q( c. J! H
[trade-record-all]of self
4 w/ G" X3 }- Y1 I2 F- O;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
9 p& O0 Y5 T L$ d- y2 g% ~' n' ?! r
& O& v3 V5 ]: Q4 n! c! Iset [trade-record-one] of customer item (([who] of self) - 1)0 o" @" J4 D. ?- c8 q
[trade-record-all]of customer
7 t9 N- T: p* k# z$ a0 V8 @2 m
1 I7 v/ o# ?. i" ~; f; Aset [trade-record-one-len] of self length [trade-record-one] of self
. a q M6 J! C& x& t2 W# X# n5 S7 w# W) t
) I' h7 F( l' m- l# r, U) Oset trade-record-current( list (timer) (random money-upper-limit))
; L s* f0 v7 T# U J+ D! x8 F `1 e: q! [& f- [4 u$ K, l
ask self [do-trust]
+ j9 _. q7 T9 E. X; E;;先求i对j的信任度
( d. u3 N3 ^" _; {- @! L: ]1 S9 h& t% g+ M, m# Z6 t: f. j& X% ^* d
if ([trust-ok] of self): T5 X6 X4 ~( t6 G% B
;;根据i对j的信任度来决定是否与j进行交易[1 o5 {9 t; a3 R3 C8 }
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
9 j9 p/ \% h4 I9 v; C
2 _3 ~) B5 M1 ^8 X# n: a8 c[
, ]5 F/ e. F; q/ a$ T. a
1 }" Y7 b6 n3 y4 N6 Y6 a$ v: mdo-trade
3 A" A( a% O6 X' A4 q* \& X) H% L2 I) f
update-credibility-ijl
# D+ C! p; E5 @" \, q1 R- C# J* e" H/ W
update-credibility-list; T. p. F3 K( L7 v% o3 ^
{) U2 k4 C2 o0 Z" l1 g
7 \, f5 }) }0 h% N5 aupdate-global-reputation-list
& [; l! _* F! k) A2 H4 \% E/ t4 o' f
poll-class8 B" U" ]* [; ~/ \% ]0 g
2 n# h" H, j; R( j9 G' ^
get-color, v! e; s* Y5 F) N) Y8 v$ v4 w
` g3 [$ T7 W" Z; ?
]]3 B# ^- t5 S& J* z: f
1 n9 D; ]+ p% N4 ?% Q( K;;如果所得的信任度满足条件,则进行交易
3 P, m; G2 v* S
6 @/ J; R m6 E4 g% u/ M[
) u) A8 z) x5 N9 L& i4 f9 b
3 Z* Q0 p! {( o4 {. Y, ]rt random 360- ?( n; F ]* @+ F; R6 q5 Z
$ f* E5 T \/ y, zfd 16 F$ w) {( M0 B+ p3 W ^7 M
3 X/ p* [; n# C3 y
]9 K/ R6 @' M1 R, T
+ E4 C, c% e8 r& d9 W! u& S# V: }2 Y
end
! n+ I: ~. u8 N+ h1 m" P3 h+ X+ }
to do-trust
7 t5 f* E& U' V2 N" w# l8 P, zset trust-ok False# O& \7 D8 Z3 e# l. u9 `
/ q$ j5 k$ [, e f: Q
' O& n, |3 [& q/ elet max-trade-times 0
7 ?) W. Q! O' P2 X/ Nforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
& g3 k) o5 B! w3 {let max-trade-money 0
$ ~9 g' z5 U/ }foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
& h$ {0 y5 S6 t5 Alet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)): g) q8 d1 d% W( Z4 w; o8 E
0 T) E9 E% M9 w0 \& J* P1 [
- M# F, [& g& W0 x6 x5 Nget-global-proportion
/ u" T- A; d1 B8 C# nlet trust-value* g% }+ a) k# s0 `0 s- \: p( Z; m* B+ G
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)
U9 Q! I" L6 [* W* o- ?, F$ Xif(trust-value > trade-trust-value)" R; y) @) l" H7 U8 I& x
[set trust-ok true]
n; ]; H6 c0 ]/ t' | xend6 Z. c, V- V3 [; }, T2 W5 y
* ]8 s# [* S7 Q# y
to get-global-proportion
& I- S2 q' }, [ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: _# e6 h& K. O6 d& j[set global-proportion 0]6 x( @* g/ D l2 r7 [: c: C
[let i 0! E8 N, ~/ X' M2 y3 P8 f, u- N
let sum-money 0
* j- k9 @2 I% c5 Zwhile[ i < people]7 x) j2 i& v, c: [# J" t
[! j: J: ~6 s. O0 t# f Z. V; O
if( length (item i
, e, X0 @2 K$ ]( {# k- r9 o[trade-record-all] of customer) > 3 )
+ z) h7 m% T4 P' o$ P! P1 `# ~/ z. i1 E[4 [8 K( _: |2 G, [+ x+ v
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))5 b) U3 l" ~; [ q4 f6 y
]; j' B3 f7 x. D1 }1 D% Q* _
]
" {* A: M, _/ i2 Q+ E. ~let j 0& [: P2 G/ ]* A! ~
let note 0- a' ?) o& D- C1 f! ^1 s7 T
while[ j < people]' Y9 s6 ]" z9 o" E
[) ^2 R8 I' W/ F5 ^+ L1 R
if( length (item i- q% z) ~) v0 m6 n
[trade-record-all] of customer) > 3 )
6 g* L3 E9 O9 ?1 o+ o[ G9 [* _, i# a n+ _ D, m
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)7 u" a4 p3 q$ G" U2 t
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)] E! X! X% `9 G3 Y) }% o9 I
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
4 c' h; W* o( V# s$ i4 O]- A" o7 I( [7 x1 l4 w$ h
]0 M+ L* [5 V$ H. `& B
set global-proportion note$ @3 E+ _% @+ |* O) A. V# I
]4 \$ Z8 F( L6 N5 w5 `
end
/ D d; a: v, G6 R
! r' |, b& S+ X3 Lto do-trade
7 i$ x" _ i* ~4 E: D6 E5 V;;这个过程实际上是给双方作出评价的过程7 P$ R: u+ g" b1 h. a- h
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
8 A0 U5 c/ a6 _8 X* F4 l! [: {set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价4 S5 S% B- Z. B& `; d: s
set trade-record-current lput(timer) trade-record-current
! Q+ m* v; ^( ]' b( p% C;;评价时间, N. _3 a& W% I) N' G
ask myself [
+ E% X C# X1 Nupdate-local-reputation+ g5 @7 `. R6 @2 ^7 c& X
set trade-record-current lput([local-reputation] of myself) trade-record-current0 `! P, I a: f- W% ?4 m
]. L3 Q- o# F6 s+ m' i
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
9 `1 o% }. H% ~( t9 ?% `9 C" u0 K;;将此次交易的记录加入到trade-record-one中6 X4 t$ Y( ~- P' T3 r: A: r; o e
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
$ C0 A. f) U8 M# Y8 p, R2 p) H5 {let note (item 2 trade-record-current )+ y# q0 H/ G ^" v+ r i' s& S
set trade-record-current d; y6 n! U/ }& D( {& w1 L3 w% K
(replace-item 2 trade-record-current (item 3 trade-record-current))
$ R9 E+ m' f2 d5 C* m: Vset trade-record-current
% U, Z& G3 ]! F(replace-item 3 trade-record-current note)/ Z* n0 u% n! A: r7 q5 i: l
8 l8 h3 X4 K x/ f, i
* \$ S2 Y& Z$ i4 E% E9 j R* Z
ask customer [7 b3 `! i* B5 A+ [- Z5 `& o
update-local-reputation
( x, x, l3 C8 [( x' Q( ]0 nset trade-record-current' d0 J" Y: P. f( t/ [4 H$ R
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 3 c( H1 g9 E$ ~9 {
]* I3 {6 X/ I% Z: L7 u
3 z! O4 L& U- ?' n D
3 ^6 U9 e2 f5 b" I' \set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer. E k: e, z8 ^- ~; R
! M, z& z8 C/ iset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))( }0 H2 u; B$ r' @
;;将此次交易的记录加入到customer的trade-record-all中
2 r3 O4 z. F" q4 h; [end. a: i; }0 u+ C6 H# R' t
& u3 K2 l3 z1 M) j6 {
to update-local-reputation
$ \& j) k2 E h! c4 s2 b/ v8 Wset [trade-record-one-len] of myself length [trade-record-one] of myself
6 {; s9 U: c6 W6 o4 m! h9 T) {& Q' B* E+ y8 a% b% x
+ t" v# L* q; u5 b8 @% H;;if [trade-record-one-len] of myself > 3 5 X6 u, @3 ^) o: ~8 a! \1 v
update-neighbor-total
$ z5 }: a8 M8 J;;更新邻居节点的数目,在此进行6 _/ u b" P/ J4 {' x$ _
let i 3
2 U# l1 Y, q* `let sum-time 0
7 p4 P, h+ L. dwhile[i < [trade-record-one-len] of myself]
' f! f, t4 n* D' i[
, _: V. w( j2 L" f" e/ Hset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
9 ^2 I0 S* d5 P' ^& uset i2 \1 h8 r. V! \, G0 O: R, Z$ h
( i + 1)
2 Z9 m% T9 ]4 N5 B+ p! g]+ R; j% g4 ~" C
let j 3
( L" D! O9 o8 Slet sum-money 0
5 A1 c, c$ H8 Qwhile[j < [trade-record-one-len] of myself], [" M+ m- g# C- E' p9 U9 h
[
% L- E& p* }, g& Jset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)* m+ w" I/ D' u8 W
set j9 T2 U6 @5 z+ r: P$ c. ? r
( j + 1). \% x& ~1 M- }6 f; h
]
7 R1 |3 M8 }' Clet k 3
/ n8 } b* U! Alet power 0
! b0 J; {+ O' W& Q+ D. V3 flet local 0/ R2 @ }7 X3 q. X4 H
while [k <[trade-record-one-len] of myself]$ F; M8 P; W1 f" j- z
[3 Q; f: {- F& h1 z
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)
+ H4 J+ J. t& I! q& h0 p- p1 ~set k (k + 1), {0 I( m& P' E+ }. [
]. k# h0 V3 ~8 N; d! O4 @- t7 c
set [local-reputation] of myself (local)7 R/ t+ H% b1 a4 W2 y% o
end
5 H; O" j! h" x# a; [1 I1 S# A& W6 v6 Z1 X: j! z: J! q) c
to update-neighbor-total
- ` {; l% H+ t' U4 }0 H
3 T" N7 D1 _5 R1 p& Y, ^if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
$ ]& x! u7 L [% J9 Q3 q
E1 X6 F# I7 F3 l( F/ a: O4 a2 \& ~% K5 ~8 V% F& Q& J( |
end0 s5 z& p$ R ^1 g0 m/ e: S% o
0 A% i1 {# Z$ |# z1 e' J
to update-credibility-ijl ) O" _, P% O' n+ Z
4 [& m$ m( C" S' t% Y1 v1 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。
* ^4 e% m( t vlet l 0
1 s; f- C5 ^/ Q" e( ]while[ l < people ]
. ^8 I( o$ T5 L) Z' D2 Z: F;;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
w- }9 u' {) h0 H! W0 V[
7 Y: k% h6 h8 g, `- Elet trade-record-one-j-l-len length item l ([trade-record-all] of customer)/ L- W6 }6 v6 ^3 t: v+ q
if (trade-record-one-j-l-len > 3)( J) i2 T9 ^ V3 t2 ~) `+ s% M% n
[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
+ a F# u: _' H1 T9 ^. J0 plet i 3' h' \$ {0 h/ d" U0 [. j2 x
let sum-time 0
* T) v' y' @% `. l' W4 hwhile[i < trade-record-one-len]; [- m1 {# o2 U# T
[. D& U8 Q$ N+ Y9 H: j
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
6 C1 h: W" C8 i% W2 `: y5 Hset i& C: p2 K5 S' B% C8 B
( i + 1)& M* `2 J5 K3 q9 a
]
* C# I7 X+ b7 ~( Clet credibility-i-j-l 07 d: S+ D3 t$ P8 \
;;i评价(j对jl的评价)9 [/ D, e, z# `# D& S
let j 3
7 K n( b; t( _- q& Q' p2 j# Slet k 4
1 ]( U( H$ i: I1 {while[j < trade-record-one-len]3 [6 w1 e8 {! g7 }
[
( x/ N, u5 Z0 Z8 u; Zwhile [((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
/ y' Y5 L. u M1 Q: I: sset 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)
4 B+ Q' G9 K6 `9 pset j& w" H# R- t7 _7 W. n
( j + 1): U3 L9 G: z, |7 [
]' p1 ~3 W& H4 a, `1 D. j
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 ))" }: U2 ?, z) c2 I4 }
c6 N/ V6 q. V+ x2 Y3 R
# I! K" ?; P! U' C; u5 r
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))& j. N( @# U! h) P; S# H
;;及时更新i对l的评价质量的评价
* P! }, S) U9 H1 ~set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
& Q4 _* j0 {$ P4 h3 k+ {set l (l + 1)& }4 f6 d" s0 p. x2 Q, n
]
7 k6 N; K! s! n$ ]# g8 L6 yend& j# Z6 G0 g( J3 j. X2 F3 C
! R! p8 E! h0 m, |5 Dto update-credibility-list
) Y/ a1 H+ d) Alet i 09 ^# c1 {% O. w- z0 n
while[i < people]" e# k* f4 y; G" p
[: }: C2 X3 [: N, M* G/ k
let j 01 c% ?( s4 V- k+ ]7 \) f
let note 0+ y- B4 S) Y# \ F: |- e1 c
let k 0. h' S# F' k9 v9 ~9 j$ n
;;计作出过评价的邻居节点的数目
3 r) R0 E6 c! o: Z- Owhile[j < people]
c; x* i6 y& G8 b o[) H. u8 [6 ?2 z9 b- k k
if (item j( [credibility] of turtle (i + 1)) != -1)# \9 K3 |- E: J2 o% Z0 w M
;;判断是否给本turtle的评价质量做出过评价的节点/ U5 H: P, U1 [5 x6 A# M# K6 g
[set note (note + item j ([credibility]of turtle (i + 1)))
4 j2 j) n! l2 s$ ]! h;;*(exp (-(people - 2)))/(people - 2))]' B/ G0 `# T, G5 E# H
set k (k + 1)
. S, o9 q' @# Z3 o0 Q# T4 A]* B1 r! T7 U7 E" d
set j (j + 1)
: U1 e8 `5 `5 K& C8 J+ w]
2 `' Q/ D; P$ H! o! Sset note (note *(exp (- (1 / k)))/ k)
$ n; O/ C* R- W" J2 M4 \set credibility-list (replace-item i credibility-list note)
+ [. Z# d% D Q% M' s7 Iset i (i + 1)
/ T0 X4 Y& M8 v# U" o6 []- B# R& [2 E; h5 p- O
end9 B7 V3 o, f3 T4 ~' n* a6 D
+ u3 p% c- q! C5 Nto update-global-reputation-list
1 Q5 t- x3 h! L% y8 `- [. Ulet j 0
# s! R2 p9 R: _% j/ M3 Awhile[j < people]% W# u: u# U8 j& V p$ H' C K
[
1 C) n: i1 ]4 h! `1 Y- J; x% Ylet new 02 z1 M# {) e: O3 D9 h& U8 }+ R
;;暂存新的一个全局声誉
+ c( P. h: n5 o6 ulet i 0' ~2 ]3 I8 s( s6 e
let sum-money 0
0 Q- w% i. @1 O1 H0 i+ Jlet credibility-money 03 q: Y% v1 b2 W. G5 _
while [i < people]8 ~3 j a) s l5 T
[5 @& Q! [" v, C
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
: E% c2 e& v7 w5 I, g& @. ]# Y' |set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
, |3 G% R. {- ?5 o5 u$ C& Dset i (i + 1)+ Z$ G, _: N7 a* U ?: X
]
2 r, G; O1 X/ j+ ?. F9 E% |3 V$ Alet k 0
% F% j) a8 E8 B0 ~3 ]; d* U& ~let new1 0; J3 ^$ h+ }, x- H/ c; p- z7 K) p
while [k < people]
+ y; S/ l6 R# M3 I5 j[* ^" N! {& p4 N9 E, O# V
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)
4 t, T' J+ b4 _' {set k (k + 1)
/ G& C2 x6 b" N]5 C# S5 a+ E0 z
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 4 G) L1 S; V$ @9 @8 t' ?# o
set global-reputation-list (replace-item j global-reputation-list new)
! f# g7 X Y q# rset j (j + 1)
1 J9 q `0 g1 x7 r# p% [, u C K]) s y( I4 V, i7 Y0 M" t& W
end! ]' |( p3 Y0 S) m5 k1 r
* v9 p6 K& P* ~9 p, r7 y6 d/ D; }3 l* O4 D( K- r) c2 n
, g- Z; k9 d( J6 W7 Z R3 r5 u
to get-color
. M, a; E: d W. ~
6 ^; d: i, l n0 B4 S( h: yset color blue
! X! t1 {7 z* `: H% ~& I$ gend1 ?2 I& M' ~5 Q/ C2 S3 g
e b S( l1 Q. M3 Q( q0 _$ |! ~
to poll-class2 i# t/ s( w4 t9 x( X4 m0 G
end1 f! P( P) f4 X4 B* `( r; e5 L6 I
% ~3 Z7 z* m- u+ Q8 o1 e h6 \% ]6 J/ Mto setup-plot1
( v9 E0 t! |6 x$ Y5 C, G' s& `8 C
M, W* H7 w1 t. Lset-current-plot "Trends-of-Local-reputation": P6 ~1 {" n- |" f
$ Y2 w" d3 m$ Q: p) P( eset-plot-x-range 0 xmax& k# E! H3 H0 _
: `, g- P. ?- Yset-plot-y-range 0.0 ymax& I1 o( ^) b3 V) s: x; o5 J( E! w
end' g" N/ |) d2 q; D. k
* i( L6 _4 v% gto setup-plot28 I F- [% t( l4 W* ^, k# S
f! M x0 k( L" K7 yset-current-plot "Trends-of-global-reputation"
& _% r, b. q4 N: P5 b/ B
4 ]4 @7 b: B# L1 @; q5 g, G4 Aset-plot-x-range 0 xmax- Q+ m& o; @1 z, C
& C5 |% e1 m7 L9 g8 b$ G; f0 t1 R0 L
set-plot-y-range 0.0 ymax
6 o9 ?$ N5 V) ^: P: }8 E7 qend8 j1 P7 M" B, t
2 Q- @4 T+ L" Ito setup-plot3
7 w9 t+ c7 P4 a9 i" x. n
/ x% R4 ^$ q. h0 k3 oset-current-plot "Trends-of-credibility"* C: U5 }3 `& \1 M0 L! |! h
+ O- M; }7 h* k7 T6 Xset-plot-x-range 0 xmax8 u1 P- z5 Q' K/ q% g( K2 Q5 a5 x
# W) u Q" z5 `+ k0 }1 ?- I1 Q
set-plot-y-range 0.0 ymax
8 A7 {5 V% H! e- i7 x7 Cend' G* t7 i$ l! W& N8 L0 Z
' F+ V, D0 ?/ U% t1 g2 L; \
to do-plots
6 ~; `1 d" q2 a5 b9 g* i' a9 h0 |set-current-plot "Trends-of-Local-reputation"
# Q& i( O3 i* [* g' Yset-current-plot-pen "Honest service"
( i# `# H5 i8 Cend
: Q3 [( w3 i% ?9 K; X* b9 P- `1 Q) f- R: H
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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