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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
2 V6 y1 y* J l6 Qglobals[
* X# w1 T2 e. |xmax9 U9 {+ |7 F$ x4 }/ \
ymax% ^, z! U [4 O9 m
global-reputation-list/ l4 Z) G c9 d/ s: M. j `
/ o3 M" P7 n/ M9 x! \' ~( e7 [
;;每一个turtle的全局声誉都存在此LIST中( O6 b3 ]+ v+ ^, q% Z8 Q
credibility-list4 w7 L. `( P. O. _. j% N
;;每一个turtle的评价可信度
% J( D- G, s. F1 ~honest-service' T) r. y: M! v' G- B8 `
unhonest-service
' S y8 n' w6 U0 {# S+ D9 Coscillation% U! B, m p- c2 P5 ~$ Q; v m& }
rand-dynamic( C2 c. g, Y h/ e
]
/ V6 K$ q2 l- D5 G+ P7 h& h. W; K6 ^
( ^- o4 F* q; K2 m P# bturtles-own[
5 ~1 Z5 w7 t: I% l" g; {) Ktrade-record-all: K, j9 c8 j! F
;;a list of lists,由trade-record-one组成
; B l& [. [, R: y6 B# }$ Xtrade-record-one7 }# u& {; O; K* x+ {! Z$ x' s) b
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录- s& r% \5 f% a& ~; ]$ H
7 h- O/ Z. N/ ]$ ~, W& E
;;[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$ H8 k) P2 r" Ttrade-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]: c% E3 l# f8 w$ }3 m- 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% b; r0 j1 l! y: `# Z5 N0 G; ~
neighbor-total" t! r9 l! @5 E" K# P$ H9 M! Q" ^2 M8 [6 q
;;记录该turtle的邻居节点的数目/ F; G; d# D3 g$ u% {+ L5 `' U
trade-time4 Q* X$ N* w6 i/ Q5 f9 Z% F( @
;;当前发生交易的turtle的交易时间( O2 E' E6 _* S$ x' T4 |5 |8 n
appraise-give
# Z; w; C; v- z8 s" {0 F;;当前发生交易时给出的评价1 U9 \2 x' S# C8 t: W
appraise-receive
/ u; A. O5 \& U5 }7 [1 }' c;;当前发生交易时收到的评价
2 ~+ K6 k, A. Jappraise-time
0 P% @4 }& j! l5 w' D;;当前发生交易时的评价时间# ]) h3 j2 _. B) O1 M7 i
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
; o) _4 D9 B; `/ Ltrade-times-total$ o9 S9 h* D+ U5 D& V: L, F
;;与当前turtle的交易总次数
8 S' @6 [; K/ C- |; N1 c. otrade-money-total- e/ E5 b/ m& e4 a% ]1 M6 M
;;与当前turtle的交易总金额
: Q5 I/ [1 e& Qlocal-reputation
. }$ X1 `4 {8 `2 e! Z0 G) x- }' Cglobal-reputation- W. }; ~4 }0 V& P6 t6 Z
credibility) r2 g4 M( W, z2 J
;;评价可信度,每次交易后都需要更新, C8 f0 Q2 x, T5 I z9 n) K" m
credibility-all
9 o9 C: W* z8 I) i7 A;;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 v% |! f3 ~9 T3 X( i. G$ |7 R' Z5 ~
$ r5 q4 r W' V;;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
1 C# v2 E" \- O2 B& u4 ^credibility-one
" j* E# O( j# T6 D;;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
5 e( f0 {2 e: z( j: N$ ?( b( Qglobal-proportion, }6 i) o: e& F f, b( w
customer
- P0 x ?/ ^+ G- N9 l, ?+ }( c1 b! ncustomer-no+ e* R$ X4 _ i+ ?/ i( H- ]
trust-ok3 F" A2 _( y4 ?* ?7 Q( s. _! i! `1 u
trade-record-one-len;;trade-record-one的长度9 D" q l1 T" p F
]# u: H4 }( L1 u+ ?+ J0 B+ h# n
' Z7 ?9 E* C# i+ n;;setup procedure/ f) Q7 A0 z# v
* R6 g, p D' V3 f/ A
to setup
# X* N5 `" U6 \9 D' t( L8 t% L3 i4 _: Z# l. Z7 p* E# ]1 D( c
ca
& z a- a+ T( G$ g# Z4 v/ J5 p8 {+ A) v+ r# i7 `: [4 b
initialize-settings, B8 {. b/ u$ Q, E( Q' O* E& Y
: v$ s/ k5 K& |0 E# _crt people [setup-turtles]7 E1 ^$ y: T+ B1 b
0 [3 w- t& R( ~$ t, Jreset-timer5 q* C& B+ i: C% B/ \
6 F( H2 ]" P3 Z3 s" Y
poll-class& ^! t7 w7 x$ g; b1 ^
. b3 g7 [$ s0 r! j% W3 o! hsetup-plots7 F% Q4 B7 o4 G6 ^, F0 j5 S
, A" L6 o& e2 }! x
do-plots2 O2 h+ K' m3 k- ^! O
end
3 x, @# q0 F; }" E/ t2 g7 E L& @5 [$ K( I& p$ c
to initialize-settings
; E" r4 t# l( w1 r1 M
( J, I# x& L. ]' O: ?set global-reputation-list []
" Y; K5 B! B2 {5 X( A; W0 l7 b8 @ F8 B# r' O
set credibility-list n-values people [0.5]4 o0 G t7 J6 L6 y* A3 U! b# D
1 g/ N4 O# G* M% ?: N; M- s$ a
set honest-service 0
/ D4 v# c- w: r; w$ m5 u2 t% j: C" o) f5 b! e
set unhonest-service 0" b2 [$ m# R) |- D# {1 f
3 B. y7 o) ]1 Z- D2 V
set oscillation 0
$ i1 r# s0 S, }3 i
0 \" m% |/ {, U: m, H4 L: j/ ` Sset rand-dynamic 0
! G6 w. R& D2 {# Lend
* J7 R! M/ l+ s' a+ B, D
& o7 E7 W7 [! k1 Jto setup-turtles 8 J w. I9 s2 g
set shape "person"; T6 Q9 N, G. {! `8 j
setxy random-xcor random-ycor
. [& e# `( C# J2 e6 F" pset trade-record-one []: o* R& l4 ^' s9 V# ^; N" i9 J
4 }$ z6 g: C: b( O4 g( nset trade-record-all n-values people [(list (? + 1) 0 0)] / f& t: G6 _" ~8 a: S$ A
; }- ?4 U2 L3 g R- p
set trade-record-current []) W$ K) ]' L' ]8 }, J- _9 ^
set credibility-receive []
+ H g o" f5 l" m* U9 `set local-reputation 0.5
: \0 c- Y& n4 }2 P" hset neighbor-total 09 S: d5 x) B8 y& [7 R
set trade-times-total 0$ n5 [. m. w4 d6 n/ v1 O" Z
set trade-money-total 04 D6 t+ j# ~7 X& E
set customer nobody' Y8 M, d3 o5 B8 p
set credibility-all n-values people [creat-credibility]# n J* N' F. R R9 h2 j
set credibility n-values people [-1]. c7 ~- }1 o( F; _7 T
get-color+ V3 \( C5 O1 S) h' i4 _% S
. d& l5 x! g2 s/ |end5 Y& w d' C0 I" q! `
1 C$ \% i8 S. j% V/ }; q7 l
to-report creat-credibility4 s3 e1 ?7 A" N3 I4 U5 K# v
report n-values people [0.5]; L6 l% ?) L0 T- G% d: {
end
% O2 j0 T$ R6 U2 r( E. K! a A0 W$ _7 H% ^! Y* a# o) k# V4 `3 l
to setup-plots
9 Y. D& H: k+ k1 F# _8 S4 T* ~# P/ G0 k' {
set xmax 30
2 N5 i6 k+ m1 F, a0 K N" j' y
/ k' i6 q, g$ kset ymax 1.0
|' q2 g4 M4 C
# p+ T: N2 J7 j9 {) l4 Iclear-all-plots
' l5 y7 p. o9 U6 S4 V& ]) s
* i! m* C6 v. U- |6 x ~setup-plot1
6 r( z2 H# q$ L3 e# Z8 ?9 d. M/ v t1 ?4 q) |6 f
setup-plot20 T; I% i! }' M9 A# v
+ }1 Y) |+ S) x0 @! L/ |
setup-plot3
! ` ^1 y) m, E6 z: vend
5 j! v" H, R0 t& D
$ U' K' _! f3 @" R;;run time procedures4 A. i7 K- r0 v/ s& \- {
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to go
c0 _8 u- [% V a8 O% m$ j/ ~2 A" _$ L5 f# q/ s5 A. F- m3 a
ask turtles [do-business]8 t7 `% P/ ^) H" h3 s
end( _$ ]" D5 d- s! x' l
) Z" m9 ]+ L8 d7 c6 h1 z: Q4 O# k# `to do-business
! O/ u" f7 c9 }6 }
8 K# ~) {% \% i% @5 _8 b
2 X8 w# N1 Y1 {, zrt random 3603 F7 `* A0 \% p- }% R( U
* \( \! Q8 M m# {; E
fd 15 y5 h% }$ A/ u3 i1 I
g; O5 q8 g R" x; eifelse(other turtles-here != nobody)[
# R# t" ?: N+ G& P; P" T1 r: A
/ b- L" E4 Y. C' k" W: y- L- z3 x! lset customer one-of other turtles-here: { I( _4 N: H4 M* u" Y; c7 b" O: B% Z
4 `+ d4 Q! j9 T1 C9 t& D5 T2 a
;; set [customer] of customer myself) b6 |. B. [( y# i2 E
: J' C2 }& G4 T) G- {0 x
set [trade-record-one] of self item (([who] of customer) - 1)7 c9 \+ N( g2 e2 e1 e0 U! \
[trade-record-all]of self8 o* v% \, Q @; B/ C" j# G# h; ]% j8 D
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
( ?, w T/ V) _4 n4 H8 b$ k8 n
- E, E+ Q; A* Y; }' N' yset [trade-record-one] of customer item (([who] of self) - 1). b: F3 k, U0 ^7 I4 L8 b' ^' p
[trade-record-all]of customer
' }* k& M1 G1 c* H) K% X: I7 H2 `
5 n% d+ v, V: Y H) tset [trade-record-one-len] of self length [trade-record-one] of self
7 P ?4 c. @+ H" \" H9 k4 U
' H- r/ i/ z8 h2 ?- Jset trade-record-current( list (timer) (random money-upper-limit)). A/ Z! P/ O, F8 N# F+ G# T' x$ F e
7 k2 N' L K) I% q& s
ask self [do-trust]
9 s# j- l0 [9 @;;先求i对j的信任度
/ Q6 b! x$ H- N( u$ i5 s' a# l0 `0 K4 k* G
if ([trust-ok] of self)% p' C; k1 \3 h3 i5 X# {
;;根据i对j的信任度来决定是否与j进行交易[
4 b: r: S( Y7 s5 G' `8 C n Yask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself; V, ^+ |% f1 J( ~9 q% e u+ F
2 l( s/ Z, d0 ~. x6 D
[
- F" L9 @) b( a# R; f& @1 ~
: B- a: F% c. rdo-trade
2 U1 ]+ e5 J' O! e
0 Z; G$ k# v( D4 X/ D3 [/ zupdate-credibility-ijl
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update-credibility-list* h' b/ O6 t4 T' r( p3 S1 {
+ h3 g# u2 }- E7 n1 U* p& X7 `( L/ o+ g2 S% E4 ^
update-global-reputation-list
9 [7 n) X# R3 O' v0 g8 Y! P$ j9 ?7 a5 k/ p9 h. x E
poll-class
R1 q5 a* d% ^( g' S: }1 c
b2 V6 y$ e, Jget-color
! t& X5 A& E3 M" F) ]
2 L$ M. D8 Z( Q) t! D- I! R* W3 r; Z]]5 K% y# [5 P" r0 I2 B' K4 |3 w3 u, s& Q
# Q: m0 M0 j" u) F- k; `- m
;;如果所得的信任度满足条件,则进行交易
& }. }4 m' ? j. P" A& @) M8 B( X* {! W$ G7 k4 S
[4 X3 f' j; O, o' x) f
, j" m5 G' M1 F6 V: v4 r j& Y8 \
rt random 360
& g$ T6 _! F" J( _
! s8 } P- U- r5 x- ?fd 1
: v2 q3 M4 Y% ~6 w2 w' T) b1 w8 i$ [0 ]- G1 Y3 q
]6 |- Y! U! r& D: F0 m& h2 L4 e; f
! n% l) k( ]1 Q8 Z, Q& aend% [1 m1 s" c5 ~6 k: Z
$ T- {- s$ f, f1 T8 N% I
to do-trust
8 [' J0 E F! x! Eset trust-ok False. ?7 t' d9 b$ U- i5 @: H: T/ z
& Q3 C- m1 v! o! |/ H4 k( f G* R: Y% Q
9 [% }% s/ J$ B- t$ Slet max-trade-times 0! Z6 Z9 @$ \ _4 v" C- D
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]' t3 a( v+ o8 X7 P/ Y
let max-trade-money 0- M C |6 D3 ~
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]8 b7 R9 t& z: | ]5 q$ y- f9 @
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
( K1 W. @4 f ]! R0 P9 }1 B
: f+ L8 ~' b1 U. s+ C1 g) C7 y3 S; I$ o% H) h! ]2 w) [
get-global-proportion8 q1 ?6 h% f) ~4 _
let trust-value! O% C: t9 P# ~, U
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)
/ @5 p; W0 Z% m8 i* Dif(trust-value > trade-trust-value)) e1 \% B+ G L* Q' e
[set trust-ok true]
4 _" p3 Q/ C8 W$ q+ I* V' qend
- L; ~9 U. Z' ~9 U" P3 R$ \' d# C
! o: X2 Q( n0 ]/ Ato get-global-proportion2 L% U1 l" r' j. y8 y* v
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)2 {1 N0 {; Q& S7 k# z
[set global-proportion 0]) D/ l3 G" W( e; E& Z6 s
[let i 0
- i6 _0 N5 U$ C* u0 G. ?1 K' ^3 O4 zlet sum-money 0 k6 q4 w1 n2 K# W7 M/ H+ {
while[ i < people]
& B2 @: G: n0 Q+ d2 c" w# ^' e[
L a2 c; {% v" X5 d5 kif( length (item i5 |( i3 X% P8 e: r. K/ N& o" D3 @* n2 q! \
[trade-record-all] of customer) > 3 )5 T! ]2 J; U" [7 F
[# `% ~3 J, I! N& N
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
! B# l; v O8 v7 G4 }: d/ h]
: I: b9 G/ T+ H7 C]
4 X: z P* E+ f9 ]. Flet j 0
0 N: c: [9 R1 c7 }4 t! flet note 00 _# L7 I4 Y3 m( \4 p/ [
while[ j < people]
* Z$ O$ ?* a8 `, E[. D3 E2 t( n$ O5 H7 [- y
if( length (item i" ~6 ]/ U8 c0 S' ^
[trade-record-all] of customer) > 3 )
( s) w- G ^7 r0 W/ I- s[, ` C4 O( i+ Y1 d1 B
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)) Q2 P S5 Z6 h! e9 M
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]0 o* h' u# m/ C' H! M& R9 {; w
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
( `) e z# F$ S \8 ^- O]
2 w6 S" X, p& a2 B ]( ^8 \]3 A1 @4 C8 B7 ?, |& }) n$ F
set global-proportion note! V0 A2 Q7 x3 w8 H
]1 ^. g7 f' E; a, z9 Z2 x
end* N) f$ [4 O l- ]: O0 U
, [; L5 {0 e! m% ~7 c' U/ N. ?
to do-trade
+ N. S2 n7 l2 o: w( f3 ^. W;;这个过程实际上是给双方作出评价的过程4 ]; S) Z: q+ b* t# O! i
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
% h. k7 \0 t8 ^$ E; ]2 Eset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
5 S+ T5 I. }5 e0 x& Fset trade-record-current lput(timer) trade-record-current2 \$ `+ Z4 b& l! D
;;评价时间
: A$ y2 n% B4 lask myself [0 G$ Q+ C, ]6 h x
update-local-reputation; F( @. z# d9 o- C( `
set trade-record-current lput([local-reputation] of myself) trade-record-current
i' e& X0 r9 E. J0 B]
1 T) q2 I0 c# uset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
) \' q3 K5 Z7 \. j! b# n. s5 `;;将此次交易的记录加入到trade-record-one中% E8 Z6 k, Z/ v8 p. c* s
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself), J. I- l! `. X0 j9 |2 v
let note (item 2 trade-record-current )
* Q" t1 l; I& {set trade-record-current! B+ l- k- D: D6 v& {$ T/ z. }9 ^
(replace-item 2 trade-record-current (item 3 trade-record-current))
' }- Z; U9 @8 e+ C& Xset trade-record-current
5 |3 _2 d" p- E" ~(replace-item 3 trade-record-current note)
( C$ z) D0 [. X' H. C D; V* u( \4 D9 N* E2 E! q
: c2 U+ m0 N) n. G1 k1 F' wask customer [ j( q- @1 d6 N1 b( h) p
update-local-reputation
& `4 t( d) s, L3 M, H0 F' mset trade-record-current+ ~/ K+ p; }- p1 g( S# v$ \9 T
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) # R0 Z+ u7 @* p1 J6 ?- Q2 x
]
, [6 A7 o) p! ~& i/ }: i
4 G3 g9 Z" Q0 x1 X
6 c7 B0 s& Y$ Q9 w- O# zset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer0 T. W- R% F+ \) f( R
( H2 i4 P1 Y8 `4 X! t( e) Fset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
$ H. z" r1 `' z6 K4 t, V5 [;;将此次交易的记录加入到customer的trade-record-all中
/ ~. d" x% R# gend
+ H+ X9 ?( ~! q0 x. O0 p3 g( a" y2 C2 |* Z: z+ W5 ~7 W e
to update-local-reputation
+ ?" s% C* G4 c ?' c% `set [trade-record-one-len] of myself length [trade-record-one] of myself& G4 J: W" e. t0 ^* m# @2 X8 u
$ |- l9 s# @8 ^6 _0 \( I+ A
! b$ o& R; W+ Y7 e& a
;;if [trade-record-one-len] of myself > 3
7 M4 x" H7 n r# E( k5 s2 x- zupdate-neighbor-total0 a6 A7 j2 V- m% z; H) C' y4 W+ Y3 @
;;更新邻居节点的数目,在此进行
" l/ D7 B. E# T7 I) |+ flet i 31 {8 p$ ^$ c' f; j) v
let sum-time 0
8 C& e, l) I+ ~while[i < [trade-record-one-len] of myself]! B: j* B; w' a" n8 d
[4 S$ x1 T. Z) `9 y
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 W/ G& e* @! z# @( `8 N: N) sset i1 g" u' h% [5 L- t3 r- W
( i + 1)
" y. |- C( y) d! \]
, l; U! R1 U# W- Zlet j 3) O' M) T" Q$ ~3 y; D7 r
let sum-money 00 s* ?9 o3 P/ e4 E
while[j < [trade-record-one-len] of myself]! l4 u \; i. g* Z6 z: }
[
$ e7 m1 V9 d- i/ H$ K U9 mset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)" |( e3 }7 |8 {, S
set j
5 g( V! D% h+ K( j + 1)
% N2 C1 |& H7 X7 ]1 s3 F5 ], B]* N! B! ~/ \5 E% N# [4 m
let k 3% p+ T2 X R. t3 L
let power 0
; r3 P( w& d6 d" l0 `let local 0
- z8 q1 [' O$ Z+ L" h& |while [k <[trade-record-one-len] of myself]
( E1 B2 n5 D+ n[
( F8 O0 D4 S. k4 Mset 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)
4 @, d; [8 g: Q/ q4 Xset k (k + 1)8 v' p" [$ K+ J! z% u' Z/ ~* x0 ~
]
! W: A( V. a% {( r0 t' I6 U9 ]set [local-reputation] of myself (local)
: \9 W1 A, [3 ~" H6 Iend
. U; g0 t7 t. z# u" R: Z7 u5 G6 e8 _& S8 [9 P3 A7 H) {* X. _0 v% s1 p
to update-neighbor-total. D0 A) | y/ i; A: D
, ~9 f! y. G% n# q$ eif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
, Y6 [( i$ c4 d8 _( Y
$ K4 z. t/ E8 U6 Y* P0 q6 ^5 ^8 n6 x+ A N. H
end
: ?2 J( S3 N j# `6 }% S7 [1 ^0 ^+ Z1 i( X: q7 P$ B, @
to update-credibility-ijl 7 C1 V6 ^0 [0 a# ?; {0 `# r
* ], V$ u+ G! m) y3 T J. M
;;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。
2 Z2 z( T6 b5 T# [% `- z3 elet l 0
' b. f8 i m# H- k3 E8 Ywhile[ l < people ]( [# j1 }; H; {8 W8 a
;;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 J) o' i. d4 ~* F) v7 n! _
[/ e& c6 b* m- N
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)# \9 m' w4 R9 O
if (trade-record-one-j-l-len > 3)/ P* i2 _' Y. Q4 c \3 A5 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-one2 G z5 n& C$ W [2 ]
let i 35 J; a ?, X' ?) w& S6 r
let sum-time 00 e- W) o9 m9 ?" p U
while[i < trade-record-one-len]2 |. l; W6 i% ?9 m! Y4 M8 @. E
[
% _. d; j3 Z3 Y3 ~4 w+ r7 Lset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 q. y/ [* ]) H. u9 T x5 b
set i& U f: p2 h$ j$ q
( i + 1)
- g$ p% G2 w# [5 O/ `( M]
6 T& |; y; |( X: B9 P3 J1 _8 p% u6 V; jlet credibility-i-j-l 0
$ h, `8 d/ H9 w, R7 o% z;;i评价(j对jl的评价)
5 N8 v% \& V" k4 v Klet j 3
# w4 P8 _, K' a% C( ?6 A' Mlet k 4
' d9 F$ Y. D6 L7 x6 B' Jwhile[j < trade-record-one-len]
# \8 M$ ]' u; ]+ w r% N[0 r2 h7 k* \0 H/ U/ 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
$ W1 f0 x0 P. m/ E( Kset 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)
) X& L" c) D, }% J! g7 `, wset j
: y) l; C/ N1 Y- c0 t0 o( j + 1)
' t& H0 _" L6 G& N]
& k( F' j* \/ D) I) K+ fset [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 ))
Z& B, C: [: ]! m+ }* ]& `& f* m7 |1 c0 P' g& X- q
! L5 S5 B5 v* c
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)). j9 J2 z) k, P& N! d; I& O b+ F
;;及时更新i对l的评价质量的评价* J8 q$ C! S M: D5 b
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
, b! ^3 p7 a k C/ p; }4 y- ]set l (l + 1)
; [6 J; k6 a2 u* n& P5 ~0 K+ U]( ?$ }8 o& P5 f" w: V
end5 t1 `; W& `$ q3 x9 V
6 G+ \7 _2 o" ~3 Ito update-credibility-list# n. p7 a/ n1 }2 U2 c$ @: a
let i 02 ?1 l; I8 P; |) u9 j7 U! M
while[i < people]
2 B' n& l" M4 G, @( c[: A3 [5 [# c) |& `
let j 0) q- U% w( k4 Q+ R% _' K" o
let note 0: Z- N$ ] x- d, A& ]0 `
let k 0. F% }2 W$ T& N7 n
;;计作出过评价的邻居节点的数目, v1 L/ J5 R6 w: Z8 p k
while[j < people]
2 B# w, s6 [- X$ @6 b- C[
9 C' A" r5 R9 G8 W. Aif (item j( [credibility] of turtle (i + 1)) != -1)
! b& r& E; @0 j; S' f$ R( T' y;;判断是否给本turtle的评价质量做出过评价的节点
0 ~% I. V# R" p% U0 V+ {3 p[set note (note + item j ([credibility]of turtle (i + 1)))* E" C4 o' F' k$ X! Y6 i; [2 O
;;*(exp (-(people - 2)))/(people - 2))]
5 y0 k* y; m4 |6 k# Tset k (k + 1)
0 U; u# _9 H( v( Z8 r2 s" h' l]' J" X3 c* M0 B7 S2 W( l; S4 i" j J
set j (j + 1)
0 y( c+ j6 Q* U" k1 K" m1 F! Z]% }/ S, N2 x9 O- E
set note (note *(exp (- (1 / k)))/ k)
# `4 s+ ?- ~+ Hset credibility-list (replace-item i credibility-list note)' _( v( h8 m/ C( E Y
set i (i + 1)
) m# Q7 A8 g2 t5 E C! C8 t" U4 d]+ j( O' J" }3 r
end( O f4 c9 g/ `4 K3 q( G
3 V h' \5 i, D0 l- O& w* ^+ yto update-global-reputation-list
) o. @& d0 F' Q. m. S4 ~ Tlet j 07 q( p r1 k1 Q7 {; i. M |" s
while[j < people]/ W( X& g, J! V5 C: I0 `7 Z
[
8 B8 E$ m8 [- M- M, O; n# I+ xlet new 0" N! H. e v4 D4 Z
;;暂存新的一个全局声誉
$ }: p- x3 d n* ~% U+ h- g/ f0 {1 elet i 0& j& _1 W* }) q4 K% d
let sum-money 0: ]: C: z/ S2 [& ^8 J- b) X
let credibility-money 0# V; m$ }3 g; Y6 l
while [i < people]7 O8 ?9 s& m6 K, J& O
[, Y; L3 r) {1 w4 V) p
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))2 r6 e d& ?; F3 ~
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
! x9 p7 ^5 Q0 u5 L1 S; mset i (i + 1), A2 G6 D F2 n1 R2 ]0 l% l# M
]
; Q: L) v& k0 K0 I9 Ilet k 0; u5 i. z$ b- j6 F: T
let new1 03 T6 g V% G# C, _0 V
while [k < people]# u% g7 z' z( K" _. G, N# U/ K
[% H6 k' A O. X5 [. s
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)
8 p- T/ H# w' {. J% eset k (k + 1)
3 w% v, l# |7 `]
9 ?6 C# U% E7 t4 l6 Y% Q& Uset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
9 M* ]% ^3 k$ R+ zset global-reputation-list (replace-item j global-reputation-list new)+ h& l# S _& m% X
set j (j + 1)) j% B4 ?1 |5 Q8 G, R1 |8 x% C
]+ q7 G: g/ k. h
end2 y& X0 ~% s8 x: }2 y8 F% F* A
A2 E/ m. g5 n/ f' ~ w
7 \# W) }0 }( U4 `' G* w O. `4 ?
' a4 u( z& N" h! _1 Y* y" D. U
to get-color+ b7 W6 C9 B# z' J4 ~7 e
0 u2 f" E: b! r
set color blue
( e, U& G8 u& ^& e4 P4 y% O d0 p& `end
9 H- O& l* ?& ^" v8 L5 q. n4 V6 J9 I+ {; u, a! Y4 |
to poll-class
9 \ x& U+ F8 i5 S8 V4 P/ Gend1 b v. ^+ N) Z
5 e$ j' D9 S( Mto setup-plot16 E/ n3 X w# R- x. M+ f) f
! X) j9 F+ f: f5 e' f7 \8 x0 W" Eset-current-plot "Trends-of-Local-reputation"/ L3 Y* Z2 k, {2 s' j- [6 G
% Y$ v7 v$ ]% }! jset-plot-x-range 0 xmax
& V) \% n2 p3 S- V1 Y/ R
! X \( f% W/ p6 D5 hset-plot-y-range 0.0 ymax/ h& m5 A+ G J$ P3 k; ~" Q
end |' L0 a/ H! W. x9 e$ A3 |
/ V( D5 d8 I; [ ^to setup-plot2* K' x9 p9 {0 m H4 }
0 ^. j" O, \0 r% H$ g2 cset-current-plot "Trends-of-global-reputation"
" M, `4 ~( _7 A% w5 W- B
2 X5 D' Z C/ I/ K4 xset-plot-x-range 0 xmax( P. V3 l; z9 m9 n/ d0 {
/ S& y# B& N/ R6 j) T7 jset-plot-y-range 0.0 ymax
8 ~# H* ~9 k8 u: `. [7 ^end
: ?/ {/ E5 M- z) l& x P* {+ ]& F
8 @# ?1 g P6 ^; w0 }" l7 Ato setup-plot3
* ?) T$ p+ j5 h* c. \( J. a/ m7 f" H: D5 V0 e9 Y% T) k. [6 _0 z- k
set-current-plot "Trends-of-credibility"
) _+ b2 k' Y# a x9 V' ]. A) \3 a+ D# x6 H# o4 v
set-plot-x-range 0 xmax
* S4 ~9 [% C2 g( O. H9 f" e; @: m
& H t. t) `) K9 r! N& wset-plot-y-range 0.0 ymax) U4 _: h: c5 q* U4 [: k
end$ d# ?0 s. ^/ o [( k5 b2 f
$ j- V0 a6 X+ I: Y% w
to do-plots& R( G- k7 ^( M& ~! }8 v
set-current-plot "Trends-of-Local-reputation"1 w) C* Y3 t) p- T0 s
set-current-plot-pen "Honest service"
: U3 _: g8 \) Y- }( v; H8 Aend2 h4 @, r: |+ ^
$ e ~' N& | h+ R. P[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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