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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' G! { }3 ^ g" p) T9 z5 ?# H- K& I
globals[
; y0 h+ z3 S% d2 s" g2 H' h6 vxmax
( F5 o9 r& D1 _) x2 Lymax
0 P8 D1 v' u4 r% ~. r$ oglobal-reputation-list- J3 c& v' x6 Q1 T; J: d4 z
- u7 y* G0 N' O; R0 Z
;;每一个turtle的全局声誉都存在此LIST中
9 J0 x: i" i$ B( Qcredibility-list! m9 S0 K2 S2 r- A. y8 K
;;每一个turtle的评价可信度
; k$ X# `' ^) E4 O6 i1 ohonest-service
6 q7 ~/ G* j4 s, Zunhonest-service
- Y! f& Q$ }. H9 M8 y$ A4 Koscillation4 n5 Y( j p2 V9 h W& |2 m
rand-dynamic3 ~. W! M0 Q' p) g u2 K; J4 J
]7 Y% t- D2 {$ I& ]/ Y1 r. f/ X" X6 z
* @% k8 _' U3 Z' n/ l5 Iturtles-own[5 Y2 [7 n( P8 k0 M. W% S6 v
trade-record-all3 s7 r2 ~, a! g+ v5 M3 w
;;a list of lists,由trade-record-one组成
8 [" I% n+ N7 v+ Z, ^6 W7 i, V5 Vtrade-record-one/ @) Y, R8 A' ?( _4 G5 V
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录4 ]$ ?4 j( A/ F. s3 V% ~2 w1 X& `5 S
! w+ E1 D7 b5 G( J;;[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]]
4 R/ j( F6 i) f5 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]8 g# r9 h/ g" z( _7 l/ 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list
# Z8 x, P0 }# }0 m$ R! Vneighbor-total
T3 o$ ]: w8 k. `) K;;记录该turtle的邻居节点的数目
6 ^( P+ c5 \" ]9 T. ltrade-time0 U5 L; y; ]- j
;;当前发生交易的turtle的交易时间' c0 ^1 |" { I& i1 o
appraise-give- r* E) [" V1 E" f/ a6 {2 l5 l8 @
;;当前发生交易时给出的评价
. S1 R; Q/ t6 \" s# c+ U! Fappraise-receive$ M8 y0 a$ E6 M v
;;当前发生交易时收到的评价! L3 q6 v2 n" t: `
appraise-time
2 |8 E: F5 _7 g% W7 ~; r4 K;;当前发生交易时的评价时间
$ O9 S$ z& c% Z& \6 Flocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
3 J( |. i2 o5 z$ N, ~trade-times-total n6 E! G9 ^5 N7 I$ t
;;与当前turtle的交易总次数1 v( A4 \6 }; n
trade-money-total
/ O+ a6 Q# Q6 ?1 {/ y;;与当前turtle的交易总金额
5 B, P9 H4 H; N) Z; R6 {local-reputation& u1 z" r. W* D$ f; @ p
global-reputation
/ ~2 T: @9 A$ h: q& v9 O5 m. w& n. Ecredibility
" ` W" Y" [3 o" U; ]/ A;;评价可信度,每次交易后都需要更新# `2 s3 ~, \: f4 f5 n+ d
credibility-all6 J/ @$ n7 Z: \3 X8 K/ \) U5 P: W& n
;;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6 `, ~0 \# |1 G2 H
+ C' p/ g' V$ Z2 c I |: I
;;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
( O2 `! \; F% C. ucredibility-one
) f9 W; r5 ~' U% N7 J. W4 P;;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
* u! s& X% p+ o) Dglobal-proportion2 {* e# Z! F( \( X9 g( h3 c
customer
8 O) j7 d/ m7 [' e0 mcustomer-no
( c$ S" E2 p* n9 Ctrust-ok
+ A* }" a9 t8 |2 X0 A, D$ D( W# Xtrade-record-one-len;;trade-record-one的长度
; q9 m0 n% O% Y7 r. V]9 u/ w2 z( U8 i) g
1 M3 ~& j' r, p* y3 A
;;setup procedure
- l8 B- @1 @" L# X+ y1 i( ]: B9 `' @* _- s; S
to setup" Z% y6 u5 K; M0 H. s3 P
" U1 N, ^/ `$ ~! U
ca
6 w5 e, ?% n- z; y
9 l+ E6 y4 L1 ?/ [! \1 ninitialize-settings
l4 |2 i( z! J/ A# O' @
$ K |3 C t& l9 e8 Ycrt people [setup-turtles], Q% M, n% P9 l% [7 W: D
" x R7 C4 N2 `! o P
reset-timer4 `2 `; S6 v2 ]$ g/ K2 J
8 Q. b! A+ a4 [' S" ?2 Lpoll-class
+ t7 i% }& P3 g* D
2 e0 |* t0 F* R) E, O1 U/ ]7 I; msetup-plots5 X- T$ F r; m& A, Y' g p/ h
1 B- j' [, Y' A V& rdo-plots* Y6 `5 r$ e' w0 f! ?" ~9 O
end
8 P$ O# E7 H# P0 o) I
1 \- S4 G n! C" l6 nto initialize-settings
* ?8 s Q* }; f- R0 S4 y/ o
* y+ i& }5 A; |' z9 Z8 _2 uset global-reputation-list []+ `* J) R* ~1 v( y+ T% O
! A. u, x3 p& O0 z# G- }( lset credibility-list n-values people [0.5]& Q& i E6 h1 J; b
$ `. m0 ~$ _4 D1 nset honest-service 0
# k$ ^" N7 h/ d/ g$ ?1 T
$ k9 B- A/ K+ z7 y7 n0 }set unhonest-service 0+ s' g" V, `% X, m+ ~* a8 m
7 x5 P# U+ |1 [1 K0 {; V
set oscillation 0
2 S F" W* H5 b8 F
- ^ n, l1 ?3 fset rand-dynamic 0
: n: R6 t7 \4 X- b9 d! nend
5 \( G* n! m y8 B3 x$ [& u
) Z* @! m# W- Sto setup-turtles 2 k6 f) Q5 O/ `+ |5 W6 V8 S
set shape "person"
3 Y |7 T( s3 P7 X! P3 Nsetxy random-xcor random-ycor. l T; _. Y, q+ m9 E
set trade-record-one []7 b9 H8 u+ a' E+ ^' K' Q& r
# J" W! r- N9 j# m+ \" ^set trade-record-all n-values people [(list (? + 1) 0 0)]
7 q. ^ c6 f; G
4 {# X! ^% {3 X" _set trade-record-current []
+ C S0 G1 x$ Lset credibility-receive []
7 I6 |* g' [5 R, jset local-reputation 0.5
- Q. n* @ X* ?# U* U3 Yset neighbor-total 0
: F3 c4 `! d* y6 Y wset trade-times-total 02 p1 g( `/ F1 v2 X5 u9 j
set trade-money-total 0
6 n2 |2 Z- D* L, j( Nset customer nobody
+ T9 v6 r! F9 ~0 d( pset credibility-all n-values people [creat-credibility]
$ X0 Z4 N' X7 y* H! G% g4 s/ Oset credibility n-values people [-1]5 e( W: q+ [) [. ^' Q& u
get-color
6 ]: i# L2 L( C& e0 i0 [/ B- }6 l% e' V, t- ^: n" F" o" k8 q7 O
end
0 A- C- i6 F$ I- n. w& q5 R+ j
! a( J0 k/ _, ^" G0 y) y9 A) kto-report creat-credibility
) ^5 e% E+ A! ~ dreport n-values people [0.5]
& s" H8 M7 c( F9 x$ tend
4 x% f4 @1 p! s8 I( `3 W- Z% Q* W7 `/ r: b' S5 f
to setup-plots5 {4 x1 w6 v/ w# c% I
f6 K+ o/ ?) q2 d' Yset xmax 304 h! s R# s- m. i; F- g
% ^0 N. ^) z) b( |7 K2 @: Qset ymax 1.0
* ^# ]& z& u! B% |% J0 o
& S5 Y/ T/ ], _clear-all-plots; C* I/ }+ s5 x Z
' v' g3 H; M- U" k) `setup-plot1+ A9 p+ s+ Y- p7 z* {/ z4 N
+ C5 k, f1 t# c% s6 w
setup-plot2
- e7 e5 }! _0 Q, @6 v
; H! d6 c8 ]: a; F5 h" J- k( jsetup-plot3
& E6 S' B% l2 e5 Z% \4 s Xend
# J n- Z2 [5 t' \# d4 V: [, a- c0 X* l4 j
;;run time procedures
, z" \4 J. Y; s) I# o! _# {# b! }2 b9 q! }6 U
to go
$ T% A' W1 _5 a2 A: |$ d! U- h" w. x6 k2 ^- i
ask turtles [do-business]
J* E: c4 t2 b, H; d- q0 ]4 _8 x7 |end
: v9 A0 f$ u; ^6 |7 A0 O. u& O
6 @7 |, J4 O* k9 O5 @( r9 H$ Jto do-business
& y' u6 F4 A1 H) ~9 r' `
+ D/ | I$ V0 _$ \
3 H$ q6 L) m7 m0 S0 D Srt random 3604 j, n/ ~; b/ y1 k2 V. d, ^
6 J& _: m: q! b& b& }9 Hfd 1+ E# C2 I8 l- k# t K0 x' F l; y
, K8 o$ C* }8 R( u* J
ifelse(other turtles-here != nobody)[ O* m, V& n; j5 O
8 ^$ x6 i" U' q" ?: ] vset customer one-of other turtles-here
9 U# y! L( h$ v7 x8 }3 u& P9 {+ |5 a& K* d J+ C% v$ K
;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
* \- Y2 J; ]4 R9 k0 i[trade-record-all]of self
8 H( y5 b% {8 j* S1 X' A8 R;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self ? ]9 U; V& a3 b1 H% F+ g8 _3 h" J
3 i( O3 H0 e3 q$ f; Oset [trade-record-one] of customer item (([who] of self) - 1)
) N- [6 U9 z9 q: ~[trade-record-all]of customer% }; }' p5 {$ j* Y' X
4 r P$ u) w( t' _
set [trade-record-one-len] of self length [trade-record-one] of self
: I# i% H1 T. T% A: z: f3 ~/ j5 I* K+ \: e) r$ O# Y
set trade-record-current( list (timer) (random money-upper-limit))
( }7 c% U: D& V2 F; J5 S. }0 |1 \
ask self [do-trust]) r5 D# I1 w# G, e- g& B) y
;;先求i对j的信任度
@& ~ V. I3 z* i
' [" H& F3 T- R5 Lif ([trust-ok] of self)7 B6 w6 O0 i# Y$ T
;;根据i对j的信任度来决定是否与j进行交易[# |) A2 K# \' A
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself& U; T' F/ }0 ]2 i9 L
- A! O6 Q! H7 Q0 k8 s- t[6 a, p. i5 L3 F$ g3 _
3 ^& t& Q1 z9 s: {- g7 \. Ddo-trade7 c, [5 C2 e# R1 ?
- M. `- m; m6 u ^/ }* e4 r
update-credibility-ijl) y6 J/ h1 F; |, [
) k7 z9 H# ^0 O: L: t0 f9 W. wupdate-credibility-list& _! F+ t2 M6 V& ~
4 c" I; U) k2 g* k# X; o" |5 S. l6 [
update-global-reputation-list
2 t2 g7 X4 X; F# y9 g9 |9 m
7 K( ^# w0 C9 n Y, G" Hpoll-class
1 a, h; Z% C, A: [3 d# Y( T; ?$ D) n& A
get-color/ O! }* b' R) o2 t- H- a
5 j5 g" E) t: b d2 k9 _2 N
]]) _: ?) k' P8 c0 Y+ {8 x8 S
. |' u; [8 Q6 \$ I; W2 k& ^
;;如果所得的信任度满足条件,则进行交易
/ o: b$ y0 A7 I ^7 q) {1 P U0 r: a$ G2 b* h
[
3 i+ a, Z: @- } H9 _2 e& \* r! R: K
rt random 3600 L/ @6 J! M; ^6 Y; H
2 [+ ?, }: c" {fd 1- r7 V$ n& {5 j
T# i. U" }- m2 z
]
$ o' X6 ?5 ]9 H2 [1 g) Y7 }- Y1 q& \/ m j5 k' B7 B8 I' A
end/ g ], ?. j6 E0 M
) B. ^+ f4 K1 Y0 Q7 i
to do-trust
+ E4 \ `6 \( ]) Jset trust-ok False
. ^7 l% W9 Q! J9 v5 d* i; X. F
N1 H6 D4 B4 L3 R6 i* F) S
( N) N+ k. u0 D3 klet max-trade-times 08 R' m! P0 V7 r1 x4 e2 M
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
6 d ~1 `: P( |let max-trade-money 0* H: B4 x+ a6 T
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
# r2 D+ b% ?. q! [8 H' jlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))! N/ V- Y# b: ~
+ \8 p P5 l3 ^0 H
7 O1 }. F ^) jget-global-proportion
& G, y2 ]& T% z9 l% Dlet trust-value
7 E& @5 M1 f; o* _+ x5 Plocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
1 y4 U# j# {( D+ e: _6 k9 Jif(trust-value > trade-trust-value)7 a$ e' J/ h0 P
[set trust-ok true]
! _: [6 g2 p: D% Y V& J( E* rend
- k+ _' G" O7 w% G2 N* d
3 k' y( i2 r2 k0 D" o5 xto get-global-proportion
) w$ H$ w3 M% a7 Wifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
3 k3 P8 i- L7 @6 D3 i& M[set global-proportion 0]: ]0 I8 B! f; K, O0 D
[let i 0
2 Y' {" |4 L/ h; `, M) glet sum-money 07 F/ r; T7 u/ N# z: ^ Q& E. [3 M
while[ i < people]& ~# f$ S; w; Q
[( L) n# N) f2 f: C4 ]; t8 O+ T
if( length (item i
) H4 h0 b/ m9 k' o- i[trade-record-all] of customer) > 3 )
/ p, O- Q, z" d3 V[! Z1 s1 X) |* W6 U5 K
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)): E/ A* h% M8 f k* M
]
" w: X! b, Z( @2 b- Q3 ]]3 @7 E5 P2 t( D6 w3 q# } O
let j 04 X* v( I( F0 l( S2 t
let note 0
( c- }% ?3 }+ Q4 Dwhile[ j < people]5 d& z8 a# y( q5 N8 }
[3 U0 L# K5 K4 o( k3 I6 k9 I
if( length (item i* V( k- P7 t, `9 n
[trade-record-all] of customer) > 3 )) `1 ?& @% Z7 V8 ^; A
[
3 O+ X4 H3 X8 Aifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
( i% v. q% w- X[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]9 O1 {) J% W- ~# I1 K- s4 M& ^
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
" K/ r+ F* i% p]! j0 f! x9 t1 N- R
]! a5 V6 _. C1 W. `, d, m/ z' C6 }
set global-proportion note( T; f: x* D4 |) K3 r9 B- j
]
6 E; m* W" {0 n( h7 jend
) n3 Q7 V2 f( g' k9 d
& X8 t% U$ C$ Z& kto do-trade+ G0 W- Z/ _* N- x0 Z$ [$ q
;;这个过程实际上是给双方作出评价的过程
* y9 q9 k* s \7 O) Y" dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 Q) p/ u2 ?% ^5 C6 f' a; E3 B, eset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价8 [& n% `4 K# m& Q+ y' e9 f. v
set trade-record-current lput(timer) trade-record-current
; c* B! w0 _( I* T) };;评价时间! h$ Z9 q" d- [# N* O/ z$ h) f9 X+ [6 f
ask myself [
$ j4 O& l7 u& g. b3 n+ oupdate-local-reputation. |' p4 ~. r) [! [: m
set trade-record-current lput([local-reputation] of myself) trade-record-current
8 |" ?3 @7 ~4 E]
% d3 Z, a' w% x4 Q; kset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
- i9 \( i' \8 \) d' S8 K1 j;;将此次交易的记录加入到trade-record-one中
) x" ~+ E$ d) a! {set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)" R& S5 K& C5 g
let note (item 2 trade-record-current )
2 a$ Y9 h+ T$ uset trade-record-current
2 P! C, }/ J, z' L L0 y(replace-item 2 trade-record-current (item 3 trade-record-current))% i, T+ ]7 E: F) p) a3 O$ z
set trade-record-current
9 ~$ O+ X8 ~, ]3 W& A! s(replace-item 3 trade-record-current note)
3 o& Q) d9 N. \' p; U% ]
! t; [: g7 ~" O
^# a4 D. d: T" [8 T' b$ Kask customer [
6 p/ J/ @* c( s: U0 ]& wupdate-local-reputation7 p$ j% B- u6 e+ u1 A9 U
set trade-record-current( y6 ^3 l- p6 L; V! Y
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
2 A& A* _, \4 Q9 p- q+ f) H]9 I; g) H) O7 X1 ]- r+ I
& {5 S6 `- X0 d; d0 E4 B
+ B( Y2 I& t0 g% Z2 t9 C( u
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer' d+ ^5 M* G. F$ b: \# k; O
0 H1 m+ Y6 t5 h3 kset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))+ M' B0 F+ X7 r" \
;;将此次交易的记录加入到customer的trade-record-all中
9 K, {# V% w- f7 g3 k/ e* Xend$ [) a, u) n" W$ z% [5 \3 X
& M+ \8 t; e6 {2 N+ L
to update-local-reputation
( Y- b) K: D ~& Aset [trade-record-one-len] of myself length [trade-record-one] of myself0 [" e( D/ A3 P) C9 \1 n. L
9 ~9 X7 \/ \9 A* _4 [
1 ?3 k- R( l7 B8 F, h# p6 B: e;;if [trade-record-one-len] of myself > 3 ) g+ V' x' l6 ]. M
update-neighbor-total8 Z1 f6 d7 ~' Q/ R$ E5 e, D' M
;;更新邻居节点的数目,在此进行
# Y1 ]; t. g5 S ^) M. T9 g+ d9 q. qlet i 32 G7 w+ G* c2 ~4 j0 ?- f- j
let sum-time 0; r- z# g5 m% ^; ^7 R$ o3 W
while[i < [trade-record-one-len] of myself]2 s8 H* I5 D& U" B/ m
[
9 O7 _' J+ b/ g5 t: j( N7 X/ v% eset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
# l3 `, |2 Q/ gset i1 S2 F2 a p4 p# Z
( i + 1)( T# u4 n$ E- @/ x( z6 h: B
]
" y4 a- L3 m+ d2 o! Llet j 3
7 w7 P: E& T$ c- U. tlet sum-money 07 {5 P. G# ~# V# U
while[j < [trade-record-one-len] of myself]; q2 q# S5 w4 g1 r$ f. A2 Z
[# B# }( R9 Q0 {6 P; ?5 e; A
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)
6 H: k2 G# r& A3 vset j8 |+ Z7 |$ \4 I( c: @% O6 E/ G
( j + 1); q& W T6 t2 F/ \9 L( Y( g9 l p5 h
]7 h( ^9 F7 `* K/ L6 I
let k 3
5 `% t/ ]( i/ d9 slet power 0
1 {9 b. l- `# clet local 0, Q9 a3 H7 M3 C+ a9 c
while [k <[trade-record-one-len] of myself]) W+ C' d1 c4 ~, f5 H. ?# {
[
+ e& _9 U4 R+ e* D# {0 yset 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' Z- }3 m( [: a5 Q& u; S
set k (k + 1)
3 D" J. Y- S7 A]6 R8 @( D% ]5 R6 F" f6 i
set [local-reputation] of myself (local)
4 Y' l e1 x, g# o. k4 pend1 @6 X# }% Y0 D; z
3 T. G2 E4 k& [6 B9 [; D3 C
to update-neighbor-total* z/ E* _2 ?2 I& Q/ D5 k
* s4 n+ j) F. C# K2 w9 s; }6 g
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
V5 E! L9 o! _: T+ o& s- a) D8 M1 [
* n- S% Z$ _3 S) l/ s
end
) h1 J+ r6 A3 w; i5 s8 A# i
, }/ j1 L+ a/ M6 @: d; jto update-credibility-ijl ) O/ b( Z! x7 R: a! t1 |; s6 w* Y$ H
' U9 G5 M! D5 S7 q, `/ 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。
8 z! B! t o; F4 l [4 i/ Hlet l 0: L5 [# ` O' w9 ^4 T# }
while[ l < people ]' Y3 p t: I) g( {5 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
1 ~7 n) K2 X; @+ O9 f$ W, p9 z[# S, w+ ?) V- a$ T; ~5 U
let trade-record-one-j-l-len length item l ([trade-record-all] of customer): G" b9 E3 c$ }; A) x
if (trade-record-one-j-l-len > 3)) B3 Z: H5 g2 j6 V4 @& C
[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/ p( C7 l1 r. Q1 T; y' \: m& o) b
let i 3
: ~, L4 Q# f7 x+ i, k9 X# ^let sum-time 0: e2 r9 {, P! T3 Y6 c% v
while[i < trade-record-one-len]& J/ W V- H5 m- u W) [, {% U% L
[
6 \6 S$ S5 N# m! c; o! R/ Pset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
. ]: D7 e# Y' T9 I J2 l9 i# {set i
+ j" P v6 J5 V( i + 1)
8 b' U+ h- f2 d, G1 g9 n' [+ q; p]
5 g: }/ K& y c- Mlet credibility-i-j-l 0
8 H1 {' }6 W1 a0 K9 G;;i评价(j对jl的评价)
9 [$ t9 B" a. t) i1 slet j 3
; N+ J) F* ]0 D4 _let k 4
, |; O4 |: `4 Lwhile[j < trade-record-one-len]. U9 h2 n6 {" b F( c
[& U" m- j2 s, f5 H* `' |
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
. L( l$ e8 w$ F- f' j8 Lset 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)
- E% O4 ]% r& L' Z& _9 Mset j# g1 p7 A4 V4 b3 a3 K
( j + 1)6 x+ I, X* s/ \( D
]
; d5 r5 ]- l* nset [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 ))* b0 [$ `' |% w. L# c
( h e! L% H# R5 T; |) w. X- V
: [& [" i5 x! R% ^4 mlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))# }8 k, l- L9 H) T# Z0 Q
;;及时更新i对l的评价质量的评价
7 b1 J) t7 ]1 b- dset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]& k3 U# m3 T& A8 u8 B; ?4 p0 U% j
set l (l + 1)
8 x2 Y( f9 X4 _7 b- l. U' `( C]6 P# z% a. t- K
end# C" C2 a2 }# U/ j' |
) v5 v* W' t' r* N9 x+ Uto update-credibility-list5 k) I% A, f U9 W' M7 q
let i 0; L- q& p9 A- t9 u2 b1 F! H
while[i < people]
" l1 a8 E9 ~6 d/ }* c4 h" T" m[
9 S6 v& P' g0 v. Z. Ylet j 0! ~& R& i, H+ D2 r( ~/ Y
let note 0
1 l0 J3 @2 ]& s! p! _let k 0; ^& {* r2 ~0 V
;;计作出过评价的邻居节点的数目
# E Q0 b. m/ [( Z" g [" vwhile[j < people]+ n+ L9 M% p2 E% ^' H% @0 K- I# T2 z6 x8 L
[
$ y V& [9 ?! T2 H0 u. L7 \& Vif (item j( [credibility] of turtle (i + 1)) != -1)
. @0 w. n, ]# I; q;;判断是否给本turtle的评价质量做出过评价的节点
7 A. O9 s( }$ D+ j: O[set note (note + item j ([credibility]of turtle (i + 1)))
9 V/ Y$ X2 j( n1 d5 P;;*(exp (-(people - 2)))/(people - 2))]
8 a* z4 ]6 n" f1 L0 eset k (k + 1)4 H5 k- n1 u* W8 }/ _
]' @: C! p, {/ i. o( s q& |
set j (j + 1)
$ R7 |6 z- Q9 H5 r. m2 T]
% |0 N& W9 ^ [; C- s/ B9 n% q9 Qset note (note *(exp (- (1 / k)))/ k)
$ i0 X' l2 y2 cset credibility-list (replace-item i credibility-list note)
& x) B) o: l$ N/ fset i (i + 1)8 O( [ g. ]8 Q( `: u& i7 A, ~
]# p2 Z( f0 x2 t# ]5 C" u. h
end
; b) W5 C: m2 Z! V0 w+ c8 E5 V) m7 D7 Q9 h9 X
to update-global-reputation-list1 i$ \9 V$ e7 D' \6 g8 t. R
let j 0& a7 p6 q& T4 F7 X; h2 i
while[j < people]( r2 c! \5 _' l! q* y8 ~# u) C- p
[
1 }- r( d4 H# ?/ F7 b% @# A3 Rlet new 0
3 u! _7 X$ ]9 B8 U8 c5 F7 z' s;;暂存新的一个全局声誉
4 S! k) O0 V- ^: _) klet i 0
7 }* e' ?/ d* \" ?4 z8 xlet sum-money 0
7 b% ~, P1 q5 blet credibility-money 0
! w: L: A/ v% R& Lwhile [i < people]
# `; g, v( w1 i" Y$ u1 |[
( g6 g4 k: |& A+ Sset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
% |- s6 W) n6 W+ ~) @2 u# pset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
8 G2 X! }2 D. V* Cset i (i + 1)
) o' Z- R$ L k; m3 p$ B]
$ n+ r/ Z3 J, s! _( s. X: ~let k 0
2 I1 N% p j; n2 Nlet new1 0" l! V7 n$ o1 \/ [# q
while [k < people]/ k$ a7 `* w9 G8 x
[' w8 C5 s- f, w) m8 g) t- n
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)/ s7 P, e# R/ ^& W( y% A- _2 ]% _5 u
set k (k + 1)2 b- V3 g/ c6 t* Y% F
]1 R: C" m9 a1 {0 K% q4 e1 C
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
& \! i$ {) F3 z- [$ U, fset global-reputation-list (replace-item j global-reputation-list new)
1 p0 I6 l4 L) q' {6 Dset j (j + 1)
) q4 p/ U9 M9 m$ `: [/ Z]
! U: F i. x' nend
( J5 W& a' d6 i' B
3 j1 e& Y! Q/ J& z% R- m3 g! Z* W
6 ?' |7 j3 o7 ?9 f7 L. g# x2 G$ y# E+ ^5 j) l- v' o8 @, {8 @
to get-color1 ^) Q- |) |/ @" z6 F% o
4 a& c1 M) W# l- P5 f$ k( q
set color blue
: r. H/ h( ~" F# B0 R& nend5 ]. f( R0 O8 ~1 q% ?
3 Z8 n# H/ n- y5 `, l; I7 E
to poll-class
3 @: C l( _% f& wend
, C* ~ e# ? F" l
6 Z/ B2 Q1 x3 s; _( Q5 lto setup-plot1- g& U% i& N$ B) X# \% ] H
2 H, J( p4 L3 m
set-current-plot "Trends-of-Local-reputation"
% P, J1 c2 R( N! u2 R' R
}6 ~+ P% a8 _/ n7 q& r$ _2 t/ m. r2 pset-plot-x-range 0 xmax
( g3 `& k4 a% |
: ~9 ^' k6 h5 G mset-plot-y-range 0.0 ymax/ v2 n9 G8 X) Y, f- E! G& D
end% E8 f/ a3 |0 O: i
, N* Z' t' w, O) ^+ V" z9 _to setup-plot2
' D7 T7 z; L. W8 i+ X5 `2 x, O- a2 g! K9 D
set-current-plot "Trends-of-global-reputation"4 T: Q& Q, r. ]7 |
- h% ~! x% Y9 x' z# R' oset-plot-x-range 0 xmax3 r a3 ], G" a
1 b5 e: Y0 N. d+ ^0 F) Eset-plot-y-range 0.0 ymax
5 U* D3 w- D) I6 @: A. [end, p# k- H) }+ m% l
; i' o0 t* w8 w, {, W# sto setup-plot3+ s# U, c: Z w' V
% @% n8 b7 |5 B7 `0 s9 O5 |, l% Rset-current-plot "Trends-of-credibility"
. x4 z: N U2 W0 k
( @3 \9 f8 P J5 R& Q# Fset-plot-x-range 0 xmax8 O" F( L j& y" Q
5 C" r; n8 b0 Z5 g( T7 {* T! o/ Y- Yset-plot-y-range 0.0 ymax
9 x* y; e" e. ]- gend( X i% u& R+ P; g* t+ y3 {
9 ^! P% ^8 c- M2 Y7 _- A
to do-plots& k2 u) b7 v$ \' [
set-current-plot "Trends-of-Local-reputation"- R# z" s) P$ d8 Z/ E' E0 Q
set-current-plot-pen "Honest service"0 M4 V$ v! @; s5 k$ V
end" b) k. V1 B$ t$ e$ N* d9 Q
% H5 A1 X& M7 X" s
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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