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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4 C4 P; S0 F: c8 i7 a; y. a, Y2 E
globals[
4 S a: M+ G* r' ? l! ?xmax# I6 G) Y2 N) i% x# M2 I
ymax
0 N6 V+ ?) I) h6 P" H0 b) I& [global-reputation-list
/ H' g6 P" y0 S2 z" v" }4 C& X
- B1 ~% |! i" N;;每一个turtle的全局声誉都存在此LIST中
! E; G& Q8 b4 \credibility-list
) C) N2 k8 J, {0 i;;每一个turtle的评价可信度
* [* ^$ @5 _# Q& P( f! H, P" [honest-service3 E5 l% a9 C, B0 o5 ~# U
unhonest-service
7 Z J( `' C# ?5 Doscillation, M4 s3 w4 C: b% r8 J% Y. B: g: w
rand-dynamic7 s5 |& o1 i* Z2 g: \) L& t! d
]
* e0 z& o% A7 d! g% Q7 ]" a u4 H- O2 ?9 F; f; T
turtles-own[
q: V7 ^. F4 j T8 qtrade-record-all
1 r7 ^, }% i0 g( k; R" _;;a list of lists,由trade-record-one组成; J6 x, o$ ]% S O
trade-record-one# Y% y3 Q8 u7 d0 u# I) w
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录" k7 d7 ^! D; c4 ]
Q( H! H& j9 M4 S2 x;;[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]]
2 c6 N I; [: itrade-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]/ V$ M% t% J; w' i, _4 k
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list
4 W3 K2 Y0 K2 Aneighbor-total! t" x3 V( c% e
;;记录该turtle的邻居节点的数目: a7 p( Z/ P$ w5 J- ~0 e# g9 g" s
trade-time
- r- q! _% I1 }6 H! F7 ]& r+ P5 Y;;当前发生交易的turtle的交易时间
3 T$ `% Q) u+ E0 Sappraise-give
7 j7 S$ g' {/ Z6 r! D0 ]9 E;;当前发生交易时给出的评价* i$ B, f. V3 I
appraise-receive
/ k$ k) g7 c4 n$ w. W: a# z;;当前发生交易时收到的评价 J$ ~# J, g7 u6 ^2 @* M
appraise-time8 d* ^) G. P. |9 x3 f' ?( Z9 Q7 Z
;;当前发生交易时的评价时间
- t) D1 B& m) D4 d4 k0 w vlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
8 ^# w; ^% a* c! strade-times-total
1 I& V$ A5 t4 d# i;;与当前turtle的交易总次数# B- L9 R' _3 u( e- m2 \! x1 v$ ]
trade-money-total
" ^* w. B8 e" R3 C. q6 R;;与当前turtle的交易总金额
: [# p; L8 E, Z1 l/ d9 q e5 h& rlocal-reputation7 ~8 N3 R4 i' _+ ]+ `! B& O5 z
global-reputation, q8 T# O- D7 o2 _5 k
credibility+ K/ s9 b( ?$ {# U" C @
;;评价可信度,每次交易后都需要更新
! s) [4 W- ~% j. A8 g. }* Zcredibility-all" S# H' V2 a2 C$ W9 m) k) G& {# 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4 J: U% a# _0 H/ [6 g
0 i Z3 s% B' q9 L \# 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; s* Y* [$ O9 b8 p9 n
credibility-one
- Q/ E& m5 D" v2 Z;;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- }2 m- E0 l2 Q+ q' Y/ r; s% [. U
global-proportion
7 @; G1 @7 q3 V bcustomer1 H2 v9 Y/ b N1 x2 a$ u) y
customer-no( J" E! w" B# R0 s' ?* O7 }
trust-ok
! B' }6 z/ A' ]trade-record-one-len;;trade-record-one的长度4 k. d9 S9 [& w3 U% h
]
; d* {" g6 j6 e# W# F1 M
5 R T, m; B p& f% S- K; \1 e;;setup procedure
6 [+ [, x4 [/ z. ?: e
) P/ a E: g# Q$ f6 o' A) Oto setup
7 P+ D/ _9 x7 b: U. @0 L! H0 t3 K$ f3 |2 _8 E3 |9 n' S
ca$ Y8 a# N' _& {5 v3 I
* {: {; U8 ]2 z9 S: D4 S
initialize-settings
6 ~; o: C) x1 j& w6 {; S6 J9 k- b9 Q* r9 O
crt people [setup-turtles]
6 F T% B3 }' W5 U1 y
! w J( _% a. F: l! A: R# lreset-timer8 `3 y% S4 }" M' V5 t. v
0 z" ?- e O! ~* e1 e( `6 ypoll-class
, F5 i9 ?5 U0 b6 `! u6 K, U/ u0 c/ `# P- \
setup-plots1 f' Q6 d( v% e0 t; O' {5 D2 a; _
* K6 ^3 T" h& U: g6 {8 mdo-plots
+ @# R9 ]% I8 [. \/ a. V' [7 G1 Qend
+ \3 H0 A6 w+ A0 z1 V/ \! Z7 m+ W& r; _( a& j
to initialize-settings
# v6 I# O2 A$ u g
* n( e9 L# y2 @1 f$ pset global-reputation-list []8 C7 O- v" x& G" p( {/ U: u
4 \6 D2 Z- a7 ^" ~# f3 i. o
set credibility-list n-values people [0.5]
T, r% F% |0 G: ?: m# O4 ^ A- I; L. o( M: F4 q
set honest-service 05 q/ ], [, N A/ D4 C& x
: E2 z; q$ M( Z0 N
set unhonest-service 0# C0 D* w. C6 N% P
% ~ u) D/ a6 G) F- D& h, Iset oscillation 0
4 R3 ]2 r& B( G, ^0 O9 n3 }- e( V* I F/ U/ T4 y
set rand-dynamic 0
0 Z. C$ \1 P% r) ?end
) j: ^( r! c+ e, U, Q! q# m: k5 q0 |: l
to setup-turtles % W \* G2 Q$ \: N- A
set shape "person"- D0 F' W2 |8 z* p0 G
setxy random-xcor random-ycor6 O- j @* ^$ H/ {8 H
set trade-record-one []
$ w& |1 c% ]4 K& @7 ?$ [/ a
$ T6 V6 r6 X# Y6 p( j( i6 h1 Yset trade-record-all n-values people [(list (? + 1) 0 0)] ) A; q! E4 L2 \; o! e% }
* A8 ?1 C- ?6 yset trade-record-current []
' D; t H+ v" C3 p( \9 vset credibility-receive []
' D' C4 Y8 y0 F/ ]; ]. @! qset local-reputation 0.5" ?* Y3 ^8 I3 y1 Y/ X/ U/ C
set neighbor-total 03 ?0 T1 M7 _- U1 u) r6 H
set trade-times-total 0
8 \$ A+ v8 ]; aset trade-money-total 0
1 J6 g/ |$ c% u/ p' |set customer nobody4 a, e! v) o8 r! a' s' ]' T
set credibility-all n-values people [creat-credibility]
0 i e' W9 `& b" N! Uset credibility n-values people [-1]$ z$ \, C& J6 c. ^
get-color
6 _" N% _ e `" b& b; [- D, B
8 K8 a$ i2 F% b) e3 Lend
/ t2 n& G' j" U) y3 S4 B% ]1 G* ?. q0 F! ]# T7 T1 x6 i# T
to-report creat-credibility
6 m3 A# A7 D. d$ `# W+ Preport n-values people [0.5]
# |, U, {. X& l% pend
3 m, C4 I- W* g8 o
7 E$ ~% Z1 _4 lto setup-plots) ]" D: `/ j( z7 f+ w
9 l& C- N4 i7 Z4 h2 k R& [6 wset xmax 30' }. ]7 o* G' I B6 W" }! b- Q3 U
% q. s( B* p( P. J% C5 w' \) Zset ymax 1.0- O5 k0 e/ ~% U- Y Y, a
7 h, Q0 b: X6 K1 {, W% uclear-all-plots+ @+ e$ p C9 a k4 `7 j; ~5 f7 A0 e
, `( }. P$ D8 N
setup-plot11 Z1 c+ {" e% d# B) J; E |
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setup-plot2/ h0 J; ?. L0 R& m6 k8 U d
! I3 G8 Q# Z& M. U" Z& esetup-plot3# j! G% t" X: Z( j3 q: ?& x% U O
end/ C$ U/ h/ v2 @3 Q; @6 Q p
3 }$ u, `% l- r2 o$ c; j
;;run time procedures
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to go
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ask turtles [do-business] L7 W7 b2 g _0 l. p
end
0 @1 @1 o$ s5 C+ D7 W. S/ N" V9 K H5 _/ X1 H- a+ U
to do-business
( l3 i8 k$ \7 l2 w1 e6 Z V
2 v# P! l; P- G6 e8 T9 O' M
" ?- b v$ Y; q; V/ j+ y; trt random 360
5 g* ~$ }1 j& S, \6 I8 B. }. x! l6 Y( l: P4 q' t
fd 1
: r% E/ O/ i0 n% P# Y1 y+ _ W' X4 }5 w2 K- z
ifelse(other turtles-here != nobody)[
5 l, U$ M, Y$ m$ d+ Q E) R9 P4 d+ S+ Q' h. B
set customer one-of other turtles-here j$ S, R$ z$ ]; m; u- }7 B* u
* O, A% I6 E, G* T8 r" n;; set [customer] of customer myself5 s, x2 k3 L. f% z6 K
0 c( s# T" D* cset [trade-record-one] of self item (([who] of customer) - 1)
. [6 w: `7 p9 W# V/ W6 A8 g) A[trade-record-all]of self
: N2 \$ d' u9 `4 a+ C" ?& F;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self# v9 s& B' q4 Q1 k" N
. i1 \( V. @4 } Bset [trade-record-one] of customer item (([who] of self) - 1)
( |4 n( S; g0 @( Z. [$ J3 b1 b, J[trade-record-all]of customer
- v# k% t! V% L* Q; i/ ~ S6 ?$ A1 s8 Z
/ j2 @4 S" y' F/ Y7 o: h2 vset [trade-record-one-len] of self length [trade-record-one] of self
) I6 r0 f5 X" _$ v) V; f% ~2 G0 z0 N
6 L$ `9 R& E& z! n/ d. [& S- }set trade-record-current( list (timer) (random money-upper-limit))5 Z2 ?$ P" P2 g& Z
' c& c4 w. \4 Y, J, Q6 fask self [do-trust]) k% `, k( F2 z/ E' ~) r% N( T4 k
;;先求i对j的信任度" r. a6 x$ C; d. S) \- l
% C/ H/ X* _9 o. X" K
if ([trust-ok] of self)
+ Y" E3 O, d) h o( C8 A;;根据i对j的信任度来决定是否与j进行交易[
& Q# @9 h( @* E! g8 | Nask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself" U/ n, m7 ^/ U0 N
+ [: r: U) e( ~: m3 \+ O, x$ {
[+ f' J0 _5 P1 ~& r1 `4 ~- S! w
j5 k8 U) u6 a. }( L3 [. Xdo-trade- d7 `" P; e; M9 d3 K c
& \2 Z" } _. G" M0 j$ R5 m. r, mupdate-credibility-ijl& |% C9 t4 e! F2 U' c, o
! }7 A( G, k2 Nupdate-credibility-list
0 X; v3 A% q; S7 u% G9 j( P1 b7 W7 G, ~% T$ }! q, y
5 d6 d* E7 _& i. N3 y
update-global-reputation-list
8 g+ G) \' G" I5 @/ D- q" ~4 F5 t9 Y! ?% {4 M, m
poll-class& ^6 f: S$ O5 _& H
6 [5 {9 e& F/ f/ k9 [% rget-color
! l i5 I. h7 i" s& L* [- ~! _6 z
: S, o& u/ n# s% b( K/ R/ Y]]
% [+ D( m* T- ?4 g, k' B" `+ g$ L( h& c# Y6 I4 c% M
;;如果所得的信任度满足条件,则进行交易
4 m3 a% A+ y1 \7 } m6 a0 A" B* T; V$ D% J, A1 q
[
m k; d' r2 I: }. W/ I0 U5 ~$ @2 c4 t! [+ P
rt random 360
; V! h& j T7 W; o& c- W2 V; A' U9 S# g% Z a
fd 10 s! H$ [7 M# y5 m+ d
- x: U: A7 |/ O, H]
! V$ z1 a+ d% I+ E" U5 X% z% S( r
' A( b' |$ W1 z; ^# A Uend
7 s' @# H4 i# T! R* U- O( @$ C z8 u
6 u. ~8 i; F4 U% c3 }& v p% y; l+ lto do-trust
* U! ~4 F+ Z+ _ ?8 i! t) \set trust-ok False
5 m" c2 I8 ^8 `6 ^$ c \: Q1 p8 r3 y# o
|( E$ v5 |# ?9 n7 t; s/ ~5 flet max-trade-times 0) I0 W: L: p0 ^! ~4 I5 ^% }
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
! E/ E; j) V+ [let max-trade-money 0& ~2 _6 o$ r) ]& n2 b1 z
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
0 m8 H: Z v* @% ~. @( y; Xlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))1 h6 x$ N. U3 `! d7 L
$ v q. t' ]; d* v8 j4 Z
+ T: o+ Y$ p6 k9 c+ J0 k
get-global-proportion7 u$ v1 [( d# R% t1 c" I# r% U
let trust-value
# n2 ]$ T+ J/ C7 T* r: N( A+ c. Nlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)+ I; H8 l8 A8 b/ C$ u% l: K# x
if(trust-value > trade-trust-value)
: F' z- I! @& S4 ~ B( ^[set trust-ok true]' }) l; e/ }: o3 I/ c8 {
end
" l$ ]6 {' r& w# i4 L; A4 E7 N- P1 F) v# S. S
to get-global-proportion
6 z! r/ b) _* c% z* e% f1 X* Iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
! }& O6 b# x6 F @5 m0 b3 W9 y. s9 C[set global-proportion 0]
, q1 K( ]+ @0 G" b3 w3 v0 j9 E[let i 06 A1 R e, i1 ]) v$ v
let sum-money 04 s+ e9 X4 o( M3 i% T
while[ i < people]
: k, ^3 r. I2 ~( W. B[- }. f$ @* ~3 J8 ]- s4 `# h/ \
if( length (item i: v, U) l N$ l0 q
[trade-record-all] of customer) > 3 )
, d- n" F) M3 J[+ L% u4 C9 y; n& @4 k& B, R
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
5 ~0 n& V" l+ c! z* B, ^]
; e6 l6 }, P( K2 [6 m7 }]5 T9 F+ T; w" o' _
let j 0 }. \. H% F* l6 E
let note 0
" M& q) f$ L9 Pwhile[ j < people]
4 R+ {4 d) ]) W8 T- b1 J; w[- h& H' S3 R' u3 h( r& M
if( length (item i; b# O. r1 Z! G" j# m
[trade-record-all] of customer) > 3 )
- i0 t" |/ R2 b' S7 D+ B2 m5 Q# O, g[
+ u: p3 F1 K9 Uifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
, c6 [( g' P/ a' V1 U$ `6 A[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
( O: L2 S: ?5 E$ ]# S' D- A[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
! |* H& z* E! C2 O( a9 L]
* i6 [# |# S( B- w]( {, w5 j; u; M& _0 e9 [) @( Z& C. @
set global-proportion note" ?/ g% o* ^4 [+ ^8 L
]
( r A, m" G3 x* z) w3 W# Eend
3 z* g0 ~4 d" R- J+ J
+ t) }5 A9 c5 X! O. H- cto do-trade
- p) L$ |- H H) |- O- c! x;;这个过程实际上是给双方作出评价的过程
4 G- {; V, U& ?/ a! V& |# r! Fset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
4 U7 h$ r g5 Z) q, @% mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价7 L& B3 T% b' D5 N$ E8 n6 g
set trade-record-current lput(timer) trade-record-current
9 Z; ]5 h/ ~8 {+ w6 j;;评价时间" ^' c+ Q% g0 e- G6 X+ _- V. n/ X" u; |
ask myself [
1 v ^/ w4 @6 _1 a. Pupdate-local-reputation
& n3 ^0 ^2 Q, A7 Z+ V: \4 C% O7 aset trade-record-current lput([local-reputation] of myself) trade-record-current
+ ~9 Q L" N# @* `; r]
6 n; f( L4 m# ?4 ^' Qset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
J/ G: g: I% J/ t: s0 U;;将此次交易的记录加入到trade-record-one中7 f& p$ B% v2 ?: l; E6 _
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
% \7 P8 d m0 P7 n9 ^- `let note (item 2 trade-record-current )! r3 b+ h$ k& o6 [/ _" Y" ^' q6 ?
set trade-record-current
}3 |4 n6 Z. o( e7 M; ^& t. O$ z(replace-item 2 trade-record-current (item 3 trade-record-current))! Y$ E5 c& O0 H8 g* u* |4 s
set trade-record-current
/ P3 I+ a$ g$ l) O( l(replace-item 3 trade-record-current note)
* m# l+ S' t) E: j/ T# [$ n q. `1 _) q
' E- S0 e: w- A2 U0 _ask customer [
* u% Y; B% t- N" `# G7 ^, b gupdate-local-reputation
F, D2 i/ Y( g! v# P2 e/ @8 nset trade-record-current2 t- J( l( f4 [1 T
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ; S4 s9 n. Q' {, v; g; B6 h0 S, K
]
! D5 ?( h: D C7 K: s* p. [
& r. _# Z5 X( P' r S+ I! G
8 P1 ]! T# E" t0 {4 n8 bset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
1 @( e) H: m: G4 I/ T1 U* X% ^. V9 ^& v2 _6 j7 A' H
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))5 Y* `) z" G% y0 G6 t( u1 v
;;将此次交易的记录加入到customer的trade-record-all中
. K' L9 v& t- w. U" p/ T: B: n. ]end4 u+ Y: c) h8 d7 \* [9 f
# _, [8 t9 o1 ?! m$ K% [; K
to update-local-reputation
# ? Q7 N3 |% N+ t- @* T+ ~set [trade-record-one-len] of myself length [trade-record-one] of myself
. c+ Z) A; A1 @7 Q$ r9 [$ p1 h# t0 H2 n, f
0 T& r- h1 E, L, R/ J- K;;if [trade-record-one-len] of myself > 3 % i" Q$ `1 u" r' E. ~
update-neighbor-total
% P; _! _/ X- t' f, v+ l;;更新邻居节点的数目,在此进行0 i$ \& k n4 @- F( b
let i 3
4 Z7 A$ N5 Z% l+ Hlet sum-time 0
3 L& d1 L- r( g! ?- P4 swhile[i < [trade-record-one-len] of myself]
8 } q5 @& `' k3 T# y[
5 {) T$ @+ }- J: t: jset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )% _! j1 A+ R, K" j" B
set i9 z1 L# V, [% M; n5 i
( i + 1)0 @6 t) E7 _) S" {
]# |. F/ a+ j8 s L* J3 h. M: `
let j 3; y3 Z+ r) T2 |6 R$ i! O/ p
let sum-money 0
' W& j9 \% t B3 i- [6 Jwhile[j < [trade-record-one-len] of myself]- w( w0 q* M" ^& @
[: v) k& u; N6 b
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): B5 e+ ]& L: q( K+ j" g
set j
6 h' X& n5 n2 q& U7 f& P* S- ]9 F5 b( j + 1)5 A- G2 D; y$ V: p$ u
]' Q0 F7 ]7 k7 p5 g
let k 3
; z# d8 W9 {: V/ W0 N8 o. E5 elet power 0
& w A& D( q: ^, F( ]* elet local 0& z# v* ]5 [( P7 t% l
while [k <[trade-record-one-len] of myself]2 C" P4 [$ V% e: C0 B7 D% G
[
0 n- y& c- L- ~4 P7 r1 Iset 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)
# I1 ]7 ~. k9 x8 fset k (k + 1)
6 M) R" ] {- Y }! @4 n]
( e/ l- C- C2 ?$ A# ^set [local-reputation] of myself (local)
/ M( _% s( l4 P0 ?/ I& @5 A8 ~end+ K3 E% i" g+ L, m( y9 L ?
& j2 P+ |4 p$ c# d6 d, t5 H4 q/ fto update-neighbor-total
9 m9 d( B$ R- Z: S0 s9 W3 V4 {: e. ~
8 R) l4 B6 S. \if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
. @+ b; Q7 q& R& k! z3 Z) {- F7 v W! u
& o) @2 r9 f( E# H$ W+ M7 u
end6 k' c8 k4 u8 b1 O# T
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to update-credibility-ijl 6 {2 t1 [1 I% u8 z9 s% O/ k% Q
' o6 Y' K" a9 W# J/ 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。6 I) Z4 d8 Z+ x
let l 06 {+ S4 o4 A5 ~( n
while[ l < people ]
c* b9 h1 l9 I' ~5 {6 I6 G/ x;;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: x: m- k! j+ l! r5 ]8 J6 z+ b
[
& M4 h0 P3 M" G1 K# O5 d$ f" Tlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)5 o1 z0 A0 Q$ h, {
if (trade-record-one-j-l-len > 3)6 T: Z1 d( o" [
[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-one2 I6 w3 d% s% c r: c
let i 3
$ D# D z$ v# f9 q0 a1 w1 B5 s* ^let sum-time 0
3 ?1 d6 i3 I" z b8 h* G* Ywhile[i < trade-record-one-len]2 R( w; `- j% x+ G% i2 A
[
& |( q& ^. ?. T% Lset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
' ~2 Q: }1 C p. Qset i& ?8 H- _$ |$ w
( i + 1)
! c4 Q6 U, D* r6 ]5 q]
6 g: _6 N) _& ~2 d+ k. {let credibility-i-j-l 06 P# v! L* m0 K) w7 p- t, E7 Q' M
;;i评价(j对jl的评价)7 \2 Y% [6 |1 T) W2 g4 g. [6 P1 d
let j 36 n/ D3 h/ [8 a+ ?- m- s
let k 4
$ a$ f5 B/ m* v8 O: h+ \while[j < trade-record-one-len]
" B' p% I2 T+ o: x- D* _0 l[. o4 u+ Y5 M' J7 k" j. ~
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1 ?7 |7 t8 Q7 e) o
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)
! V! x- `/ E; [5 @0 G ^set j
" K9 s! R3 @! U8 Z. F( j + 1)
3 a7 I& g9 s. c) a8 H]& f1 Z( y. o- A( {! p( S+ 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 ))" i8 h3 W$ t" z$ g0 K/ K- {
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
9 B2 j, y$ y# c2 M- K1 z;;及时更新i对l的评价质量的评价
+ `6 ]" W7 O0 {' Xset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]7 U; d, U# O! J0 Y M
set l (l + 1)
: Z- k0 _1 x' U3 O3 o]0 w" t6 g) P7 r
end
# m* H2 i5 \3 p5 U. O# L; ~$ m. Q$ @0 `/ ]$ y& [8 d7 g
to update-credibility-list, M4 l. L6 Y+ W% X" ~8 ]% ]
let i 0
7 K# L: l6 D1 d( `; M6 v" twhile[i < people]0 { v- L* s; ]! x0 z
[
/ m0 M$ m+ H3 Y" Hlet j 0
% I; k* g4 a6 e$ f$ z$ d( h+ |let note 0: v; H$ x9 w H
let k 0
; A! j3 b3 z- \;;计作出过评价的邻居节点的数目
; U: s- E, k. b Z0 U9 Hwhile[j < people]
# O: C2 L" J! @4 O5 m[; ^( A$ D0 p2 Q: B1 ?2 y' N& o
if (item j( [credibility] of turtle (i + 1)) != -1). c. T' L0 ? Q
;;判断是否给本turtle的评价质量做出过评价的节点, v* F" Y: }: d5 L
[set note (note + item j ([credibility]of turtle (i + 1)))
' |$ p% f+ D+ P1 T# R) W- g- C: W;;*(exp (-(people - 2)))/(people - 2))]" J7 M' P( X8 X* D: X, c
set k (k + 1)
3 H, D d) L; m7 v]! J4 ~4 S# D, R
set j (j + 1)
8 B3 g2 |& i8 i# U2 D% C/ Q- R]
( K2 ^: G k7 Z+ uset note (note *(exp (- (1 / k)))/ k)- V9 w1 \# I' R* W
set credibility-list (replace-item i credibility-list note)
; o; I! \: e4 c3 A+ Pset i (i + 1)" F1 ]2 B) \& G; H5 c2 f. j
]
4 N5 A- U, R7 E6 bend' r4 J1 p' q0 Q7 X% Z4 k
3 a3 S2 {) x4 x+ `1 v. X3 Jto update-global-reputation-list
# b) d& x: k: Z+ @- L& o& q h7 ulet j 0
0 J0 V- N. k! T. H5 c3 B- mwhile[j < people]0 ?6 D0 I: \% h, f
[
$ O1 ]: t; G7 n# g$ @$ j2 Glet new 01 D8 `; @/ a3 s7 \. Q
;;暂存新的一个全局声誉7 v+ X" U3 S# X; o8 t
let i 0
/ b( ]; M( \1 o5 Q0 ilet sum-money 0! c4 G! T% t |6 ^4 R3 [5 g
let credibility-money 0
' ]+ i5 U, z+ Q5 V8 g- u- y [6 F) Gwhile [i < people]
. R0 D$ S# P4 }[- Q, a' {+ f- ^" {
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))1 C4 W* d. ?* H/ r! h" d* H7 I
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
: ^" r& o2 p$ L( sset i (i + 1)
# k' d. M6 t# W& ]5 V]
% @/ u4 T2 g* ?0 h8 blet k 0
0 X3 l9 e" c6 j8 D1 I @, C& Dlet new1 0
7 f; K o. e! n9 W* v. ~1 [while [k < people]7 Y m* H+ J g4 Q# J
[
`8 F: p) x5 G# X+ y/ zset 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)
3 s. }0 v& c, cset k (k + 1)/ Q0 N/ m6 S8 `0 L/ g
] u: d: f6 A% V# j+ f$ u; }. l
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 1 F# R9 {+ m* m8 |* U) x
set global-reputation-list (replace-item j global-reputation-list new)( q6 J. j ]/ ~0 D2 w0 h# l
set j (j + 1) ? N9 [0 F6 b5 j
]4 M: e3 ]: i x5 g' f8 @
end$ }7 \' u4 T' t; _
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$ `4 ?/ d1 |% {9 i" t P+ S: \to get-color- G7 {. m( E# I& R2 g; U+ B/ r
& G1 z# k3 c/ D. i nset color blue- O0 ]; F* q3 r c$ l0 D
end }' w5 Q& U7 ^) t! H ]
8 ]! K3 J! ]9 x5 F. @. J! yto poll-class
; t! r4 o, U: A/ n% K6 P2 Dend1 Q, w1 L( _3 ]
2 [( i6 b" _+ E3 u( d7 f8 ~
to setup-plot1
1 z3 d& T0 j, Y! _1 B2 w* z! u h) \4 `3 V7 T* Q9 E2 ~( {3 Z
set-current-plot "Trends-of-Local-reputation"
: x! @# q$ u( x/ d) x' S( V7 u) |% K8 i+ B0 i
set-plot-x-range 0 xmax
) G: h' r: d2 f+ ^9 V. e& f
, P3 x! N; _" E' F3 E8 Z0 Pset-plot-y-range 0.0 ymax
7 H6 i$ O9 P$ `6 n& gend3 l& S& e( W9 C. H1 u
6 K- ^. ?; x9 x% d7 C& h6 K
to setup-plot2
, @2 E8 \8 E( {/ {! N. L3 D
$ s5 S3 ~# o! [3 _2 }. gset-current-plot "Trends-of-global-reputation"* M' D6 e7 Z% M) d
$ E( E9 I: x0 U6 Cset-plot-x-range 0 xmax( E. k# c: f8 q, [9 z% w) D" r- ~
2 l/ s/ f; H! s: g2 x8 l( bset-plot-y-range 0.0 ymax1 P6 j) e6 ~$ B N: C, |0 N
end
# i5 z% A$ B# L; i) y1 K* ]- v% i+ @% d2 ~
to setup-plot3
" w& }* i4 C& c8 K- y7 x
. c5 N, a: x* v& ~1 D' b4 k7 n% g! Lset-current-plot "Trends-of-credibility"; ~! E: K3 K+ q
4 w- b# ~9 ?, D4 s- ?' \set-plot-x-range 0 xmax A* Y$ v. F. r: @' a+ L" a0 i* |
2 [7 F& g2 ~* k0 ^0 v
set-plot-y-range 0.0 ymax9 \& W t( \9 f& B7 k' l
end
9 i% k2 x/ N: v" Q" k4 R1 u; {- M& j2 V: v- v) [. F( L6 P
to do-plots3 B; s L9 U5 O y! D
set-current-plot "Trends-of-Local-reputation"/ n2 O4 N8 ?* b i+ I9 Y
set-current-plot-pen "Honest service"
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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