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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; l" E) W$ F. Z) W* s# ]
globals[
9 r" H% C+ }+ H8 Xxmax4 x0 L! q+ F2 _7 h0 e
ymax
4 R! E" R8 x6 }3 ~5 v% wglobal-reputation-list
9 d$ f5 [% O4 C; e' ]- P3 E4 b/ y$ J! |! @: _
;;每一个turtle的全局声誉都存在此LIST中
$ L$ Z% R& V' W$ I9 B/ s$ Z8 x" Hcredibility-list5 r& {+ i7 P z4 j. _4 c
;;每一个turtle的评价可信度
) ^5 C6 t8 H; f% w& _honest-service& {/ u& f% O& c" z6 k, W" E- C; O6 ?
unhonest-service2 W. ?, k8 p# m) @0 ^" w
oscillation
! c& o% i5 ^: mrand-dynamic
# D' w5 n/ U7 m6 Y& C) _]
6 C8 f; {% a% J$ L$ c
% ?1 _0 q1 ~9 @. r9 d+ V8 @+ L1 Jturtles-own[
3 R- u2 h. s& Htrade-record-all8 ^. N1 N( z& r# l# l
;;a list of lists,由trade-record-one组成" n- X- Z$ W- l& V; a! y' k
trade-record-one6 r8 A) [% O2 l- y9 D3 m3 l
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
. l: e! n1 X) \1 T9 P# Z1 d2 J+ X3 F/ L# F
;;[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]]3 N" g/ A# A# E; l7 e5 x- \3 G, ]
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]
5 M: e5 [$ n4 q) M. w0 k2 W8 I. Hcredibility-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- u. \- v6 Y+ K& J/ H/ a
neighbor-total# a4 i O/ q! V j# S4 B
;;记录该turtle的邻居节点的数目
" E" K6 n2 f& }* q3 B( {trade-time
" h: G! h# i5 w) \/ V;;当前发生交易的turtle的交易时间: o( I' _8 M9 E8 C0 l' M
appraise-give6 i3 @& v5 k5 p* y& Z1 Q
;;当前发生交易时给出的评价
3 R9 p4 x, A( S- yappraise-receive
: I6 g7 W$ g+ t# l8 H;;当前发生交易时收到的评价
2 W1 h' s6 w' ?2 e6 L4 d/ r# x% xappraise-time: `* T; O7 Y+ ]3 _5 ^' x3 a9 I8 _
;;当前发生交易时的评价时间8 f8 m: E6 o" H3 {
local-reputation-now;;此次交易后相对于对方turtle的局部声誉2 |# C, A" `; A# q7 V1 |, l/ k
trade-times-total
. H$ |! s6 Y7 F$ V;;与当前turtle的交易总次数
/ _( v1 q7 n3 U+ y Wtrade-money-total( R( r; U, u) y/ c+ u, D
;;与当前turtle的交易总金额
8 J. ~* c; O7 j$ `3 E% E0 H* a% klocal-reputation4 C: B& x7 ], r
global-reputation1 R; O8 Y+ z" z9 m$ {
credibility" ~: t5 m- p. k+ h+ q* V6 ~" y
;;评价可信度,每次交易后都需要更新
* V5 [7 I. W" ?credibility-all4 e ?( w, ?/ y4 h7 ]
;;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% R% u2 i7 s# }
+ P/ Y' S7 K/ i+ T;;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0.55 x6 `7 G S$ F4 ~7 y. i- r
credibility-one+ J- k$ n( j- K; @: b9 {
;;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
- W7 u9 d. k+ nglobal-proportion
7 Z2 l! f; W; K* K1 s- Ccustomer2 _8 ?1 i( e$ a$ K3 v
customer-no: |0 a6 j. b i' ?) b6 G6 X' Z
trust-ok; u; P4 `3 @; E. }* D- @
trade-record-one-len;;trade-record-one的长度) K# p( j2 h: \& z7 N6 X4 d
]5 p' {5 b6 Z. p4 p& c
% c4 \ p" [, ?7 ^( E% v" X;;setup procedure
4 r$ |* F- ~( y( S6 k6 k# w2 {
3 T( N4 U6 X- S- U8 m+ [0 Xto setup
j; ^$ r7 y$ J2 Q& L" ?! f8 b9 a" ^3 |8 p" g( O/ J
ca# ?5 ^. ]/ }7 l( `9 o8 G. G; F
; U* _% i) q' Z* A! D% Linitialize-settings" S7 y% d9 y# F& a; _. L' w9 u2 f
0 h' A* v+ @; u$ u4 Y0 ]crt people [setup-turtles]
0 g) d" {/ b# n+ @; |
1 W1 h5 X0 _- _4 X; \5 { hreset-timer9 x5 _) M) x/ V }5 |
! P% v4 K, R; Q. w8 A$ n4 B
poll-class
% T# ?; T& O0 F x. u% e. Y8 e6 x3 L* G4 y; h/ ^
setup-plots
2 E# L( {" B% P# a5 |9 s
; k% r7 x4 B8 h/ r/ R! ddo-plots
% \( ]. ?) k1 _) G( ?end
# ^9 t8 W2 r! B% A0 `( u9 F9 G" [+ s7 S/ k5 _5 G
to initialize-settings
/ x5 M G/ E8 }# {$ N- Q" V t
' b7 L* Z- a& t1 B) o- ~$ P. rset global-reputation-list []
" Y8 a4 J" Q# g) H0 w
2 A# p1 @; f; m* o9 C# T4 H/ s* ?set credibility-list n-values people [0.5]; |/ r2 g9 B! E! T8 M \
" o; j+ c9 `( m1 \
set honest-service 0
6 j0 j* n4 {; ~6 \6 q& v. h3 ?
0 U; ]1 I% e7 h' D! }( e( {set unhonest-service 0, a% H0 L9 l4 T) g* W2 ]
- _, k$ p! }! u. P
set oscillation 0
7 i& G5 k) q# L. d% @) s& }. l5 a, T' H9 b
set rand-dynamic 0* E& h2 B6 q+ h1 ^9 N' I
end
* Q+ k3 E0 H2 `/ E! c: N
) ^/ j; F1 a' Wto setup-turtles
* r9 p& B) x* `1 D- V7 m2 pset shape "person"
: s: y, z/ Y3 @& W) B- @setxy random-xcor random-ycor
# G' u5 s) h: Vset trade-record-one []9 i2 W. V/ b4 k! ]; \6 k- o
6 Z/ w+ z! S- a3 _7 [+ b8 w! _
set trade-record-all n-values people [(list (? + 1) 0 0)]
! B- |1 T; u6 g# k! u' O3 d0 p& R+ c5 |$ k* z8 u
set trade-record-current []
2 u% Z8 K8 y1 H% I/ N7 rset credibility-receive []
& C) L- H- g' S4 F7 a6 tset local-reputation 0.5
) n: x/ r2 |' t( T" ]+ Bset neighbor-total 0/ G# h/ b7 v' _) { Y9 i5 y/ Z
set trade-times-total 0
3 I& ~9 ^" L! Z( A8 zset trade-money-total 0. i, B; }; d' f1 r- q
set customer nobody4 Z2 c; Z/ I( c5 y7 _
set credibility-all n-values people [creat-credibility]
" m, G3 f+ z" ?set credibility n-values people [-1]* W" ?. g- m; I0 c
get-color
- M# w4 V7 x/ @1 ?/ S( N" s' b Q' X( n! {7 c m& F
end
1 ?1 i( Q& w2 ]& T$ ?$ P/ i# Z
" A8 {1 \) b5 ^. ^- w" t8 s! cto-report creat-credibility
+ }0 \, q. `, Greport n-values people [0.5]# c D5 }' D W
end) @/ d8 s& G' K/ }7 y
* t1 z5 ^ W3 Q+ V! G6 A R- T/ [
to setup-plots6 v& r. [5 a# |% T2 B& _
8 s8 B0 V3 C: A: @
set xmax 304 K! k. F7 j. T+ i5 P4 `% g" ~# n5 ]
1 k3 c4 R: h& D, i7 {# yset ymax 1.0$ \2 V) j' `' w, ~% O4 b$ a& d/ u) o
( S8 O, c& w1 }3 ~6 vclear-all-plots
1 @1 N- S5 N3 g0 a& ~4 N% Z1 m
! E. |; `& ]: n( V8 vsetup-plot1- d- f2 U$ I) X7 U( n
v/ F2 w2 `" T/ h: A# Bsetup-plot2
, t7 P( [5 w9 m: r8 m0 y Y2 x5 h0 q4 f! n% b5 N( Y1 f
setup-plot35 S, L* e f& O6 z
end
7 v) m+ S- ?5 Z: S! c# z N- T0 u5 \2 V& ^4 N8 ?
;;run time procedures$ j& M: N) {& `+ Z. A( c' _" I
7 e1 n& i+ l& i$ A* X1 ito go" I) N! i! u9 I1 M5 P5 O T
7 b! [. F [! c+ Aask turtles [do-business]7 b# [+ n2 T! \ W+ E
end" L( u8 l& n1 ~2 _4 Q$ q
1 v }0 k, q" R* V. \
to do-business / Z4 Y3 M2 g5 h9 r6 \
( D; j, ^5 b/ b" j5 l6 W9 s* T2 O6 |, {# Q& C1 y
rt random 360
: Z' N/ a$ o2 ]; z, b9 p# C$ O' B
fd 1- |5 c5 L( w! H
7 @) ~( v$ j+ h$ O9 `3 G6 Cifelse(other turtles-here != nobody)[# ` R9 K7 M5 e; g! l
! F/ J2 |8 `4 [3 g- G$ U8 eset customer one-of other turtles-here1 F; W9 a* W2 W- J) u. j
1 N/ a* W( b3 m/ a;; set [customer] of customer myself+ s0 m& `0 }# u" ]8 l
; N9 Z- H* P; n8 K7 \+ Kset [trade-record-one] of self item (([who] of customer) - 1): O& Z2 [% U% H. H/ i9 g7 ]& W
[trade-record-all]of self1 h' L9 w; S& w. q
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
/ |1 _3 i: W% o4 P/ _" G7 V/ |1 e
1 c1 o/ G5 O2 ~4 m8 W3 A7 e# }9 wset [trade-record-one] of customer item (([who] of self) - 1)
5 ?/ X/ u, A: G6 I; v( F" j[trade-record-all]of customer7 k# L9 x$ ?0 ^! u+ Q
$ c$ d( |1 U* H ^; sset [trade-record-one-len] of self length [trade-record-one] of self
# w0 v1 }5 v2 `. j" K, D0 E
8 F# g& V l+ J) d" jset trade-record-current( list (timer) (random money-upper-limit)), p9 E4 j6 |( U& I& @
5 b5 g$ G# z3 y/ |! A) T- R
ask self [do-trust]7 k4 c; d u0 m
;;先求i对j的信任度$ R. j2 W7 P: c) w
$ x& J A3 N+ A
if ([trust-ok] of self)
; C: A" i$ f9 m$ a+ I6 ~;;根据i对j的信任度来决定是否与j进行交易[: R+ O9 F0 m5 h& b9 k1 F
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
. N- U; a g0 I* Q/ P# v4 K" O' M/ ]7 `# B Y* [
[& x( z/ f2 U& S% j: [) a3 e3 ~
* {# M9 A. N B% m( f
do-trade
3 o- F: p/ H2 J6 A& x6 N( W ^% ]* {* Z. Q
update-credibility-ijl
' x+ T( B# C! \' Z. G; n5 w2 j4 i+ Z7 ]' k
update-credibility-list, F1 u# C0 D" s& _% T5 K
6 s+ v$ I% N8 |3 u9 K9 Q5 K) Q2 W2 k; O$ W# _1 }- W6 p+ G9 F& |- t
update-global-reputation-list# Y! u7 `* @7 Z ~ F2 V
! K/ O& ?# Z0 _
poll-class
+ y# _3 n. F }' K, O$ S# H) U0 q- ~( M
get-color- u+ M6 o, u3 s, {1 S
$ n7 R o4 u2 P; T, v$ o' x]]8 {9 f, f8 H/ h4 W" d. r2 Z
2 k9 j8 ?! X( k; ^7 Y0 w, v
;;如果所得的信任度满足条件,则进行交易
: [( v i$ R/ p+ Q: U( T) j: \/ [) u& ~9 ^
[1 ^$ o8 W+ \3 V0 u; o i
0 C( C6 O H8 y8 n" c$ U& A+ p
rt random 360
- V2 O6 ?- a9 Q7 S& H% h7 y
t# a, } R% c9 s+ P, ]fd 13 U, x& }7 h, V! E# N( Z
0 I( A. g1 c# J& E) R4 W: R' k
] z3 n, q7 q6 T& n3 [0 x- e: C
5 C$ N( X$ k, ^ P4 X, I4 Uend! L2 w! r% W& j& z$ R7 u1 r
6 e5 J" M8 t# @1 ]7 c4 V" ]
to do-trust
7 I$ K( P: _) b8 Mset trust-ok False. i% S7 S( t, `0 d5 p
- k& a, {) E# R0 O9 p5 V0 o
' u7 r0 F3 R2 u" ^% Plet max-trade-times 02 {2 }, f$ W* l- I, Q' h% W
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
/ \% j( b% ~; z9 V! I- P/ C9 Zlet max-trade-money 0* Y( H k9 [' w& t4 y @
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
* ~' p' L/ p S' |1 t9 q1 ]0 S; nlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
8 e& ^, J3 \8 ^4 `3 l
" o/ ?5 W5 o7 n [$ v$ ~9 K7 r* B( x3 }1 D8 {! ?9 H) X. [ n
get-global-proportion
4 Y/ \% t( X% i6 Nlet trust-value
- |3 h* k7 u% B @. ulocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list); V* c0 |8 P5 u. @3 \6 v: v
if(trust-value > trade-trust-value)/ }1 ?9 y/ O3 Y1 b* I
[set trust-ok true]
5 I1 A2 e- Y& `# K6 l: _end7 K/ [) L* l4 b' F6 `6 D/ i
0 `6 j+ r5 V9 E- V$ @
to get-global-proportion/ I* \& N0 v2 M6 C, g0 w
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)3 I4 E# G! X% P4 l
[set global-proportion 0]6 y* ]( n- B$ o
[let i 08 M6 }$ r4 P* z! {+ }" I$ ^0 E
let sum-money 0
. K% W4 V. o( T3 Rwhile[ i < people] C- |3 y' ?3 l5 p- p
[
/ r8 y( g' _+ a# J3 xif( length (item i: A$ `# R* M6 R9 e$ u
[trade-record-all] of customer) > 3 )
9 ~3 a. W& x' K7 R) E* W[
3 S3 V* h J7 I3 uset sum-money (sum-money + item 2(item i [trade-record-all] of myself))- G- f% d: a& v) v! m) k
]
5 ^4 H! r; C: C: \8 X- D+ z]; k; ^$ P; s F) C4 _
let j 0
- R. Q6 t! N7 i) n" R2 s! }let note 0
2 V4 ], r6 [* y3 dwhile[ j < people]. _, I; Y( z8 e, n# T
[1 q" `6 B2 L( o9 j: q4 k
if( length (item i
4 H+ w7 {6 R7 O$ f% Q/ a( y: t2 u[trade-record-all] of customer) > 3 )+ T/ i! O: f: }- U
[
) g/ m" G6 Z3 s. E& ^* H$ hifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)$ m" N. i- k. v
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
8 |* d9 \! K! t! O, i[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
& Q. z7 ?3 }8 z5 U2 y' a9 v7 ^]& L" O7 a& S |' g$ l9 m+ F6 E( g
]/ T: E5 Z$ Z0 y& p) X8 P5 l
set global-proportion note, O( V: b/ P; S0 y+ `1 ]
]
" y* \# I! W3 r! X6 `: h* f; vend, |5 H' h5 D: a
; X1 b- R8 N8 Q) n4 o# {9 c! @6 u
to do-trade& {9 V' ?$ q9 v1 y2 o, X2 _
;;这个过程实际上是给双方作出评价的过程- I- X8 [0 n; E t" n$ O
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价- o( P" s/ ~; Q% Q; N2 u
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
+ G8 ^0 s, T2 r6 y0 K* X" e+ _set trade-record-current lput(timer) trade-record-current9 n, `2 O; p1 b; n, y9 F1 j
;;评价时间
9 W" ^; E% p+ R/ Z6 G1 c/ M! eask myself [
' q2 H% g" Y$ c6 O$ A4 xupdate-local-reputation
$ N) ?! V0 _# c- }" {set trade-record-current lput([local-reputation] of myself) trade-record-current2 b% N, n% g# z A. e& e# _; i
]
, L$ e' a8 E, ]7 k+ Zset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, W# Y" g, L: r! ~" n
;;将此次交易的记录加入到trade-record-one中
+ U/ ~, S8 E' I: {set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)( N6 E9 [4 m; H' B6 U$ {
let note (item 2 trade-record-current )
8 D! X0 _- S+ J1 s/ }% {" uset trade-record-current/ e; V7 `4 Z2 z, m5 j
(replace-item 2 trade-record-current (item 3 trade-record-current)) @$ h6 J, c6 |" I+ F
set trade-record-current2 j- `6 ^" j/ G7 v+ a# `- C* K" }
(replace-item 3 trade-record-current note)
+ |$ d5 E) B r [& Y) H; H; H$ ]" I* f- Y
- [4 T! H" O' }
ask customer [
3 o) p& C) M" T+ v4 }9 ]" Y9 Uupdate-local-reputation
' y7 X! `" H& H; g2 `, sset trade-record-current& H) x9 i S3 S y" s- W) E1 f2 {
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
$ G, L2 y& l" L2 a: Q]' r2 ] G7 b5 p" j* D' d
4 o% d, n! ]2 Z3 H4 Z
) ^% \2 e: w0 [1 U9 vset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer: {( f+ C) M! a% j5 X5 y X: g' g; ~
5 l W0 H2 }/ X( u o" ^7 F Iset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 O! a- U7 N0 w
;;将此次交易的记录加入到customer的trade-record-all中
: w) q, T! N0 r7 O& u" @2 Rend) ~; {7 A' C+ M9 H/ F0 t
, m X5 ]1 k( D& b
to update-local-reputation ^6 \, d$ Q8 M8 x* m$ R
set [trade-record-one-len] of myself length [trade-record-one] of myself
# `: s# H& {5 W
1 c% j1 ~* m# r* F; x1 d% r4 \9 o$ c7 J; P* o
;;if [trade-record-one-len] of myself > 3 4 }( H$ V- `) @) k' l0 J7 b) {
update-neighbor-total( \9 ^+ |- r* W7 s
;;更新邻居节点的数目,在此进行
6 f$ A* a( B5 i4 \4 { L5 ]! Rlet i 3+ s% J# q; U1 v1 K
let sum-time 0$ E4 [' P8 Q6 `" K
while[i < [trade-record-one-len] of myself]" l W+ i5 Z/ Y9 k
[
! l8 Q/ x. X8 ~set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )7 j2 h2 ^+ h+ M: V/ T! `
set i" T6 H6 L h1 K
( i + 1)+ t2 }' }5 @# ?& M2 a
]
, ~' b7 C/ o! t# C/ \let j 3
. B" ~% C/ s% w* F plet sum-money 0
4 G& ~$ \ ]& W4 D wwhile[j < [trade-record-one-len] of myself]
3 p( Z% ]" M4 R. v( p[
3 P: C5 ~0 d6 E& T- M5 A6 t" ~# W% I5 `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 U' K$ Z2 Z. M- e0 w
set j
; \9 v% G3 A& R8 y4 t( j + 1)
5 }" z; V3 r5 k( ]" j' D( a8 r( V]( [% ]* k1 m8 j( k/ Z8 M3 |) q
let k 3
. n1 O. _) Q+ [8 ^4 {let power 0( d3 Z! k3 r) F. E. c
let local 0
; F ^( d; ^% I- Z% V, l" ewhile [k <[trade-record-one-len] of myself]7 J# A6 }6 q8 F0 z- `+ j& ?6 k
[' R' a5 x; Z1 h+ M, M
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)
1 f- J% P! Z* i) K% K- Kset k (k + 1)/ `5 T1 F; E; H& F$ _5 D! U
]
+ J; w- e% u! f4 ?% \set [local-reputation] of myself (local)+ [/ z3 ?* R. D2 Q7 B- R$ e ]/ s
end
8 t C" A) f' k, A' o9 O7 L |
, M8 v0 P& H4 j+ ~- W0 Nto update-neighbor-total; x7 y" r" v1 }& M
/ K, r. D: R- C) Cif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
! I# E' Y4 M: ]6 ?% u( o( K. e
1 Y0 E. c) @- x8 u0 e
4 R% B# _' }( d7 R2 E4 @) Aend6 I6 O0 U) p4 ?* ]7 g1 Q
! h1 r+ \1 I7 t" N$ [to update-credibility-ijl
/ ~9 N, a0 R* P a
/ g6 c% Y& d) W' |/ [) x; l;;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 X* e- o6 ]3 v1 p
let l 0
* S: l$ z! O7 c0 ywhile[ l < people ]
% W" X# q* W, ]0 ~;;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
/ Y4 W4 w: ~( M[
4 U0 G0 W) V1 g: U5 c5 k$ }4 ]let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
/ c( \- g ^9 `! r$ ]$ `" [# Dif (trade-record-one-j-l-len > 3)
; Y8 x3 w5 e3 p7 @8 L[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
* R' [( g ]% n$ e) `7 w: hlet i 3& U/ F2 l! u& Y- E1 s9 h! R
let sum-time 0
& z& v" _. R& Y; K$ c+ h" Uwhile[i < trade-record-one-len]
4 Q+ f' d+ W# r% w) R, ~' s[
1 E: u7 N/ z% s+ I' gset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
3 X$ r8 J- {: ^' Z5 \set i$ r- I# [0 t. G5 t! \. b a8 a
( i + 1)+ r0 S- r A! h- I
]
5 R: m. C9 f6 K a: Glet credibility-i-j-l 0
) v/ E; ~9 v9 v& B; E;;i评价(j对jl的评价)& b* V8 V# H! h6 d. w& ?2 t: U* u
let j 3# `; ?4 K8 {1 W: W, j# g/ ?' R! |
let k 4! z$ s9 W$ r+ K0 o
while[j < trade-record-one-len]
$ V# d. J4 }5 Y) S0 q6 m ]6 x[4 ^6 X R6 H' K4 t% 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
* q$ D+ }: U' mset 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)
# z. s' ~7 |4 ?' |& Z' i2 Yset j
3 [, K+ t3 b* F% {/ z( j + 1)
9 S' W: @" w; b8 u Y/ d$ I1 F1 n]
' i+ ~: w3 K& }/ X+ F$ ]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 )): c; Q# T, M1 P/ r( Q4 f% r
) |# S6 y$ {( p6 w8 N& D
$ A0 r9 R" Y) t9 \! O+ P
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))7 J- s7 t8 P8 d6 r+ w) e, ]
;;及时更新i对l的评价质量的评价+ u$ |7 d; {: `
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
1 R3 A: J" I/ r9 pset l (l + 1)
) G# l/ n- g5 u& ~2 `! g: g. b]
+ R5 D' u; b" o Nend/ x3 T) n% s( z
3 B5 Q7 c" l: eto update-credibility-list
! B+ T% I% i& a N4 qlet i 0
2 W9 Y* [% @3 {/ X+ Z. ~while[i < people]5 o& H+ s( t& S; }. h6 U, S
[8 d) ?! V8 Q' y: m
let j 03 a/ l% W! P1 G2 O& X/ ?
let note 0; n1 ^% s: w4 [9 q9 h
let k 0
: t7 S7 w; M% W;;计作出过评价的邻居节点的数目. v: A B; X- [- q" U$ {
while[j < people]
7 t( r+ Z( ?7 C+ K1 G[7 W' w' ?+ G- K
if (item j( [credibility] of turtle (i + 1)) != -1)
% }! n, a$ Z- Q0 J* T5 ~ l;;判断是否给本turtle的评价质量做出过评价的节点
" v2 L4 O2 x. x, Y- M9 U5 z[set note (note + item j ([credibility]of turtle (i + 1)))
: A5 s) Z, @& L7 j+ g- Y% ^2 r) s;;*(exp (-(people - 2)))/(people - 2))]& z8 U- d! a5 U# k: K
set k (k + 1)
: E x5 M/ i+ Z) a T+ b]
! e8 ^1 A( U' p* f4 {1 H/ Wset j (j + 1)
8 v( n( p O7 q6 r]
! [* m* X( t" S* O0 N3 Z2 C$ qset note (note *(exp (- (1 / k)))/ k)8 `' A1 X1 K, z+ O
set credibility-list (replace-item i credibility-list note)
! d- q/ |4 w. B% _set i (i + 1)3 |3 y7 O/ t& l
]
# P2 W0 b n. h5 ?, T! Yend
/ ^, e- z( d" K* A2 {/ u- \
: C8 `+ p7 S+ u' x6 X7 jto update-global-reputation-list. p# B% a/ w9 Y- E3 _0 J* _1 v
let j 0* a7 G, c" j5 O6 T# [6 N! M
while[j < people]
6 ]3 g c% b( L( o[
* Q, d& {/ {: \. Ilet new 0
" _: J, ~0 v" t;;暂存新的一个全局声誉 R& d" r% B3 }% a: j
let i 0! I' A1 I0 Z$ F) \3 g* }$ U2 I
let sum-money 0
3 C+ X, A, e# `2 O% Rlet credibility-money 05 h2 C5 C3 b8 o- N2 [9 v6 Q" u: a
while [i < people]
5 v' Z" k" x4 V7 t[
; @9 ~/ ]) g h8 {9 {0 m9 Q/ F" Bset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
: D# x. T4 I0 ~- C$ C0 X' qset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
K( q' O) r; L0 C, ^: xset i (i + 1); F; q9 X7 C9 v% }! U! w5 ]- w
]
& Z/ K' S+ \7 [9 o: ]4 }+ Flet k 0
( y+ b) d, c5 N6 j% q2 T! dlet new1 0$ @* i9 m( T( O/ `4 Y* ^
while [k < people]2 d6 n0 O0 V- U: A6 a! F
[
# ^0 ^6 _/ M( t e0 f% Mset 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)
/ K' g) P2 I5 C# c# v, m" Mset k (k + 1)3 ^1 E$ i- w6 E# z% Q6 G
]* D3 ^ m4 U: E, M) A5 p t2 R
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ( F# C% m/ l2 O$ T+ a, ?: q
set global-reputation-list (replace-item j global-reputation-list new)
2 g9 O$ \, w# F( F D( Sset j (j + 1)
( O1 ?6 h5 x: O5 K$ a]
! @! I3 Q+ |; ?4 Nend
3 z' }# d( R+ a* t4 K) ^* {8 G: m0 v/ c* o$ y
" f7 O0 |5 D$ _9 q8 X, o7 {- r
3 I4 h. E9 j0 H4 q Y1 sto get-color5 \ I7 q0 G2 ^, \
& F" A: i3 [0 ^: \$ i2 {
set color blue
3 L- }* k6 d' ^8 q# F( Wend
5 D' s) \* G+ H: Z3 w- J* K" n8 [$ K; D
to poll-class: t9 U9 ^; B9 u5 {& G% a
end
6 n# K/ R! U+ S4 {. }0 h! F# ^" d" ~% X/ f2 T1 u6 N0 s! M; W
to setup-plot1! I8 r1 T3 p7 i; q h: i2 l; r
( v4 R2 r$ U( x1 e$ D0 i) g3 oset-current-plot "Trends-of-Local-reputation"2 o+ D; m. e. ?
/ s' z% T* f6 S9 B1 ~" L {7 P/ _set-plot-x-range 0 xmax
5 K9 ^2 y+ k# B; `- ^. a7 @; @2 r- p, M2 I# K: {+ h$ T
set-plot-y-range 0.0 ymax N; C; {: `7 A7 T
end) E1 f5 D- X- P. [2 {
9 V! ~3 ?1 k2 D) Ato setup-plot2
' y, t9 T3 ?! H" P8 r6 ]! h$ ^& h) a5 r
set-current-plot "Trends-of-global-reputation"2 B# h* x* y0 D
: b7 \2 c4 _; p+ C) Eset-plot-x-range 0 xmax7 o2 V, |* C) |
M% s; [- q7 @1 iset-plot-y-range 0.0 ymax6 u. ~# i# ?! t' W2 T
end
& C* V9 ^* G1 `8 _, w$ [% J
A5 Z6 u* A3 Nto setup-plot32 `' F( y& f5 F6 D0 N
! C% L7 \( Y4 K, {! G4 Fset-current-plot "Trends-of-credibility"
+ L" e# s2 i- @/ T
3 h0 o3 m: B* \, vset-plot-x-range 0 xmax
2 f: ~2 i$ _/ a5 f7 ]% w8 s0 @$ U
set-plot-y-range 0.0 ymax
3 J9 [9 K! P8 {8 r* Zend
% `2 X8 s# s( ~* f. a4 t+ @
1 i. h, _3 n+ S# F" Yto do-plots
) J4 S. `; @( |/ U; L6 r# w6 Kset-current-plot "Trends-of-Local-reputation"; E, |) h) v( s8 J+ @ L( Z3 F
set-current-plot-pen "Honest service"% S) z3 z F( ^: Z& I5 { @
end
. f: Y! C# X7 x) ]8 M9 ]' m) ]
3 z" e- @4 T M) I6 A. e[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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