|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
% \& d9 N5 o! [4 ?' a3 o& qglobals[3 j6 R* _& Z4 w. }6 X
xmax
/ g+ r' \7 q7 P6 Y; x& Q7 ^ymax
9 K; F! P9 v& j0 H! K0 }2 qglobal-reputation-list* r8 u7 Q- c- i9 E# i( ]4 ^! y
$ g- B7 P6 [0 ?$ d8 ?7 Y! D;;每一个turtle的全局声誉都存在此LIST中
) A% H" D" u0 h/ Acredibility-list
7 Q2 { }. C. V' R4 f! t* h: R* ^;;每一个turtle的评价可信度! p- O2 z8 z/ h u4 @
honest-service
" a$ G& b' _. f) B; x$ vunhonest-service7 w+ A$ {" N% ^6 V) g6 C
oscillation2 }9 H7 \7 j7 X- V& u
rand-dynamic1 T9 N+ v! w- g1 i- o9 G, S4 ], i
]' G" Y4 ~* f) G6 W) b2 ? U
" V F' L) ^0 e. H8 x9 f* ?, qturtles-own[3 x" f# l3 @+ C+ m' U
trade-record-all
9 ` `6 H( N/ b# z;;a list of lists,由trade-record-one组成
$ b: p1 d7 u* i4 Jtrade-record-one
* V6 r- ~6 A- [* M;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
; ~( |! R% R& k+ V7 O! L' a
; x: m) H8 R( ]+ d* w2 I;;[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]]% a( c/ h8 r2 A" x
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]
0 C" ^$ \, n m) Z n8 R. `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, L( n z. S; r
neighbor-total7 h( \+ [8 c ]0 ^7 W7 f; m
;;记录该turtle的邻居节点的数目. l4 K0 |5 t$ f% L* A N+ p
trade-time
8 X/ [' \- m, ?- D7 J0 m;;当前发生交易的turtle的交易时间
, M$ a1 Z j; c& |, Aappraise-give
9 N! ?$ f. {5 A: I;;当前发生交易时给出的评价
' M% x; }3 i4 jappraise-receive
! o! @/ ?( j0 N- |;;当前发生交易时收到的评价% c( H8 I8 q: c, C% y
appraise-time) P* \3 `, B" X6 ?, |, r' O
;;当前发生交易时的评价时间
& `2 |, A6 Y% o% h* wlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
, f1 U! d/ h1 N D- Z" _trade-times-total
- ~8 v# L" x( M5 _& `7 m4 q;;与当前turtle的交易总次数
, u! O9 }! D, b/ O. o* M Qtrade-money-total
- `+ K! Z( M X# O;;与当前turtle的交易总金额! k8 ~ x: B2 C0 T- K+ S7 O( B
local-reputation
. H* \' N# u+ u5 M6 ~global-reputation
- X8 C4 U+ }& r8 W5 {credibility
& o! ~! p% P9 ~ \, g' a( W;;评价可信度,每次交易后都需要更新- F' |% e/ {/ p8 P5 w
credibility-all, ^% d' s! c8 w0 b0 x
;;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
1 A' U6 A; A0 F0 j* ]3 ~
L# U, j5 a% K _) A6 z0 f& Q;;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+ ~6 ]# ?' ^" A6 _" Y
credibility-one
( p% z: G; X9 a;;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
# [& t/ Z, V* T( i/ ^6 @+ Mglobal-proportion
p; k8 n5 E: c1 |. r, V8 Pcustomer3 r" R* f* H6 I8 Y- v5 b
customer-no
- r" i( r0 G/ Ttrust-ok
( t* \. _4 F/ z( A+ E; N Xtrade-record-one-len;;trade-record-one的长度
6 v/ }3 S1 s/ z9 |. @]- @, G+ q: K) ]" @$ S1 f
/ u6 {( O5 O1 W) I T- |6 j;;setup procedure
6 w1 @& U, {& L6 f! ?9 w' R0 b1 {- d# h
to setup3 q+ W3 D K( m8 x& W
" S/ Z; R- R* mca
! q5 i+ e; E6 q( z6 b* s) \: l2 T2 [" s# A
initialize-settings
8 A# `& _7 e( i( o. M% I- r/ C; m( F' e. ]
crt people [setup-turtles]
# v7 [) g1 b+ N, t8 p4 i* Z
; L5 r; X! V: `4 B- _$ X. {6 vreset-timer( ?9 l* J2 M) d9 J4 \
4 K& g& B! E2 w5 u. O+ \# e
poll-class1 o6 ^3 t1 y' J& D+ H& w
' L/ E: f5 e1 ]1 h
setup-plots9 m, d/ g& q! m
+ X, H- m; l6 k- v+ k2 x ado-plots
" w, K! e% l$ @7 wend+ R" a2 Y3 l" L! _
/ C: R k. p3 Q7 H1 @' Rto initialize-settings
( j& u* p; |& s8 i& s B* q/ O0 N, f- f$ M6 V5 ]* Q5 H
set global-reputation-list []+ U \1 k ~# g: Q/ A2 j+ e
1 \+ s1 @$ @$ q
set credibility-list n-values people [0.5]
2 l$ ~' D" N' u0 C" D
; K/ s4 ?% I4 ^% t# L( Fset honest-service 0
5 V4 [$ {/ M' S6 y- ]/ z# {# x# `( `- {' `( E: d
set unhonest-service 0# d: w4 o B9 Q7 n0 z
0 q- P8 g1 v3 D( |# [& [5 `
set oscillation 0
0 R% b/ c# G! p% b0 d4 [
/ N. r8 Q- f; }: D4 u! u" Pset rand-dynamic 09 s+ y# W: y6 G% d# X5 B
end
" {' |5 _& r# s- B' N8 N
* t; Y) U; B4 q$ i7 M0 ?9 d# tto setup-turtles
# |9 F# R( o, ?: zset shape "person") l0 J! `8 G8 H7 W; l4 w
setxy random-xcor random-ycor
3 p# I# c7 b6 S, Eset trade-record-one []2 s% N# }1 e+ P q
6 g& r3 @' y7 P6 U8 [ H, iset trade-record-all n-values people [(list (? + 1) 0 0)]
9 A ~4 f' D* h! `4 K# e+ ~+ u# W. }& b2 i7 r* ~ r
set trade-record-current []
' j8 T5 F- {0 |) j1 ~set credibility-receive []3 b# b c! j# G6 I9 L$ d" y% c
set local-reputation 0.5* E `0 u& w8 z% ?4 M" J+ N& c
set neighbor-total 0
$ O6 D; D$ U l. j8 g% pset trade-times-total 0
( @ Q* K$ K. Sset trade-money-total 0
$ @) w1 H) d. d- N3 v" B/ fset customer nobody5 C& p% Q8 t# z3 x% _
set credibility-all n-values people [creat-credibility]( C; R u3 r8 X* u4 ~. \* K
set credibility n-values people [-1]' W; q7 G, ~6 C* v8 E- m9 Z; j
get-color
_/ i7 W5 |* o6 w, a5 P2 r P& A% l( I- T# V" Z! ~2 r3 @ C4 {
end; a" D0 W) q4 E
) s. A! x" G1 K& o. n
to-report creat-credibility* i0 F2 F! \3 Q' H
report n-values people [0.5]' R1 b$ f6 p z, R
end
7 \; N- z4 U. T l. S5 ], n3 T& ~1 a# J, r+ Z8 f+ Y
to setup-plots# T$ ]7 u7 G4 J3 X) U
( m! s l7 _, [* b& p. V( ~
set xmax 30, B( n( B- c( c2 Q0 R
: j l4 c4 S4 G* h3 O2 K+ O3 |
set ymax 1.00 O- d. A1 Q$ r8 y& m' H
* p0 q( h* T' F8 J& c1 p; uclear-all-plots/ [0 [! [: k4 Y- z0 X4 L
/ Q3 l' c+ w; a2 E) q+ f
setup-plot1$ A/ `/ L8 t' B* v) G6 d
- ~+ h" F( a( _ J# Csetup-plot2
N9 {5 ~' N9 v& _) T2 {
8 @8 o7 {" W- H; o( [( \% Xsetup-plot3- n8 ?( m1 q8 d1 b
end: x) z7 U7 o/ C( j
$ G+ G p* Y9 n/ p6 S* v) U;;run time procedures6 X2 c. N7 v3 C3 t3 h
, v: Y& z0 K1 {& {1 \! G2 G/ G
to go1 e$ m X/ y6 L. X* _1 ]+ q
) H) [1 L; \# M: ]; }. c, b5 x: y
ask turtles [do-business]% i {( E4 W1 u
end
+ |/ `" W% w* X
9 |; Z, h: Y/ X; K6 E1 D) M: Oto do-business
& x* P+ O( _4 q u2 A
1 b: V" G/ Q: s# z5 P8 w
$ c5 _* r' ^+ m( b. L2 ^ Crt random 360. P# ^1 l# ]% b3 h+ q \
( g3 T, h: w8 D. [& M$ D
fd 1* V n4 V- e5 n
a, A0 q7 f% b# {" J, c3 s7 k3 o0 Cifelse(other turtles-here != nobody)[
. Y' q' V1 Q& f A+ i5 O# ]0 n5 Q( ?; K; L
set customer one-of other turtles-here7 i D$ k1 g t8 i
1 V+ X9 i" X3 ];; set [customer] of customer myself
i% k! ^1 z( w& K7 y8 E
; }% O! W7 y! ^# o( c+ I5 p fset [trade-record-one] of self item (([who] of customer) - 1)
& J/ M# i) O4 d: `[trade-record-all]of self
5 i |. n& H7 v1 ]8 k1 Q( A9 n6 K;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self) J$ C! X! a8 G
* i' v3 @' w. I0 eset [trade-record-one] of customer item (([who] of self) - 1)
$ s1 l+ e. P* X7 r$ R8 \$ M# A; p[trade-record-all]of customer! A5 Q/ h ?, E" E8 }
3 A7 D9 N* R( ?set [trade-record-one-len] of self length [trade-record-one] of self+ ~! V( o5 J5 ]7 z
4 J. s; n! X/ x- ~' wset trade-record-current( list (timer) (random money-upper-limit))
; e* p6 E* g+ ~3 Z9 a' X, k8 V m/ v* L. H# B7 `$ ~; j: h
ask self [do-trust]$ y5 y+ s& D; J& U# z! O) k5 n
;;先求i对j的信任度
; F) y, w7 y9 J; \. l9 C* Y, ]+ z: L* f! L) h! [
if ([trust-ok] of self)
- s7 A+ }# B* K& c; O8 a" u" `. n0 C;;根据i对j的信任度来决定是否与j进行交易[8 v- Q0 I+ J" p- ?7 g K
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself. p+ }2 L5 w( z. o; ^4 d. j
$ n! r0 }# e3 _# Q" F' ^, e9 \
[
2 r$ y7 M! M) r P- b+ j# X8 V- m& C9 o+ o ^
do-trade
# N2 ^7 c. x( W8 m ^/ K# \
d2 z4 n% [- k8 M4 |1 P6 w+ z; Uupdate-credibility-ijl. O5 b" X) J8 z' Y: |5 t8 n
. X8 o& o3 F9 e- n& j0 ?. W
update-credibility-list" O _/ X+ t" {8 d* z+ J1 L6 ^
. y2 E2 v' A& X( L
7 ~3 y2 M. |& p/ `4 f2 k, ^7 m
update-global-reputation-list* N7 y1 F/ C. R6 ?. I8 s" l: V2 a4 D
/ D' L8 s2 ]. V1 Y W3 |4 Tpoll-class
" r6 L' X" u3 r2 K) y
, S- T5 L1 _7 j" n( |' A. L; d0 }. ^( Yget-color
3 @, [5 D* s: T! @ ^: l% H2 r( x9 g9 G' s4 u* M
]]
9 t6 Q8 F+ V: I7 x; k% T
7 t x x& r& |- B4 C8 y5 T, `- O;;如果所得的信任度满足条件,则进行交易( X* Q; P: j+ |
6 @% X! r1 E. @- M. w- [
[4 O6 K8 { |8 _' W- M0 D
' `4 d A# l5 w& R. `/ V4 j% d7 {5 a
rt random 360, G- A( b. Q7 s8 @$ E) N
7 v/ S$ D! b2 A
fd 1
/ _+ t) d3 a% l6 c, l. n# ~
8 E w. p/ z, U& h# [# j6 r0 O$ P] V. h3 x) L# a( W. `+ j2 S9 S
% ^2 r( L4 w0 g$ {
end6 v5 I" y- ~2 r4 b
2 c4 u* x# k; ^$ U: }to do-trust
/ O2 @4 o2 t* P1 mset trust-ok False
3 c% K' ?1 j- o ]0 G& o' [: W$ J" ^
" }' D* u# [( ^- l% A( A k. w. G) U9 I+ ]) D& O# c
let max-trade-times 0
0 K( t, O1 a0 ^% P4 x' p- dforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
' P/ j+ L$ u# i9 L6 L2 n4 `9 Slet max-trade-money 0( Y P' v9 M; I+ I
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
' g/ d% X" U; _let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))7 p: V7 Y; ^) T
, r e; L' ], @3 v) {
* e$ } M% x) z; q$ N: y: |; h4 Wget-global-proportion1 c" L4 Q; R) I1 @& `
let trust-value4 m, ^3 |; `. c) N8 |
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)
* M/ L8 k3 A" x. a/ }$ @if(trust-value > trade-trust-value), `9 N' D, K3 D4 D6 L/ v' i+ R! I
[set trust-ok true]
# | c8 w: u& ~, m3 o& N( Eend# o9 T) D1 o1 a
0 V2 R+ z, t' k, F- L# }to get-global-proportion( c e6 o: ?5 ~* q, O# s- ?
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
5 o7 H9 E3 C! q) q9 L" H[set global-proportion 0]
8 C5 I% K* e) ]) O+ l' L2 d1 A1 Z[let i 0
( ]3 t" \3 R! g1 ylet sum-money 0
' c `# c) E0 J1 q- ^: M, r! @while[ i < people]
% R7 Z$ a' l7 I2 y- D[+ ]- V8 F3 u/ T7 I
if( length (item i
' F$ ]! S$ j# ?% w( [[trade-record-all] of customer) > 3 )$ b: t, S8 _+ {; I. C
[0 p' ]; h! B* n6 l% o' n
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
2 c3 n" E: F( D- j8 G]
# G: | I! F1 F$ G]2 S4 Q; @. ] M" y# u' m9 l6 X
let j 0
, j0 |9 ^# ^, |. ] H3 }- {let note 0
& O7 {. O, q) Z+ Wwhile[ j < people]
% F1 e2 d2 z; M _7 S' p[5 E6 O1 q% d& J; Y+ l3 W
if( length (item i B! E$ f6 R& e+ d2 R
[trade-record-all] of customer) > 3 )5 ^& Y) v1 H r% W9 y0 t
[
9 d8 R$ y. p, k: m1 `ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)8 e' {3 G0 w q6 n" P
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]/ P1 J: i$ p9 ^! w, Z8 w
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] l7 t$ T- ?$ P
]( l- d, d4 {/ d' u- w, ]7 J
]0 {, e5 g& M; `; J
set global-proportion note' ~4 W6 c6 R$ m0 I" L1 x/ ]# ~/ Z4 q& _
]
7 a, ~# G1 I2 e6 Q$ w2 Xend2 L0 C# {2 ~ g2 U6 I5 m' r+ l {
2 A \; r6 T1 @$ A, `
to do-trade2 L$ ?& h, x3 G: T6 \
;;这个过程实际上是给双方作出评价的过程
4 _4 P8 R9 n+ G( i9 g7 `' |( Lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价' w Z/ `, [0 L5 z+ M( i2 j) r
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价& l' x7 r* {" j+ ^4 h4 R$ K1 }0 ?5 O
set trade-record-current lput(timer) trade-record-current
8 y" ~8 W! W5 P: A2 _& a: f;;评价时间
) `) r0 @9 u, ~/ A2 o- Bask myself [7 K6 l7 n9 f- X) \9 ?7 o0 s% z
update-local-reputation# j' n8 z( Q) _7 _; y6 O/ n0 T
set trade-record-current lput([local-reputation] of myself) trade-record-current% n9 b+ g" Z T3 t
]7 m0 ] j0 d! J8 S
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself8 E" _, }8 F3 b' P4 S- j9 V3 i
;;将此次交易的记录加入到trade-record-one中
7 a; c4 n ]5 Q# Z7 lset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
7 ?( n. s0 w4 U7 m& G) mlet note (item 2 trade-record-current )
4 L: c" n% b" p7 V* {set trade-record-current
+ x" T: K& {8 t! z, v( c1 N: v4 {(replace-item 2 trade-record-current (item 3 trade-record-current))
; ^, _* l: k+ w% g" I" pset trade-record-current' i3 I6 L! M7 M" |
(replace-item 3 trade-record-current note)
1 _+ b9 k4 `( D9 |* {
7 z0 c2 w0 g( X: N( j8 I0 l
1 |& ?; |4 n8 R8 C! yask customer [
% g) d: {: U& supdate-local-reputation7 D- e! ~3 Q- e0 | w' R
set trade-record-current
4 N% o4 U0 Q+ ^7 U(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 1 d8 w) z8 C. q; Q. v( f" O
]
9 \* [$ W4 k2 l/ L7 \6 `6 Y
) K5 f6 t; y$ @$ @1 t3 s+ e. _8 X4 Q
2 e8 {$ I( ~; Z+ z0 z/ }set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
/ a! V# U0 [0 B2 f* s! ~ V% y
( `3 _8 f5 c1 Y/ qset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
; N; P6 }% S& h5 R9 }% B;;将此次交易的记录加入到customer的trade-record-all中
3 F! v+ a3 D! f4 iend
5 L' N; V, b" g N5 Y
# R$ u4 _; U+ m* bto update-local-reputation
. T4 b4 V e2 p; qset [trade-record-one-len] of myself length [trade-record-one] of myself2 H: v- s+ h& E, [5 H) f. u
% D7 q( v) l6 F, u5 y0 n9 Q C& ~6 g% V7 U" y- i& C
;;if [trade-record-one-len] of myself > 3 * t. Z% k# _" h
update-neighbor-total
0 D5 s# P4 T5 G: p;;更新邻居节点的数目,在此进行, v+ j: r- x) C* O, W1 X
let i 3
) U: U3 T7 b' C7 I6 e1 O$ {% Zlet sum-time 0
# b/ {. u8 W6 ]5 Z awhile[i < [trade-record-one-len] of myself]; P8 ?. ]3 w8 t2 n
[+ w; m ?: W& c1 `9 P
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ); M$ {5 I4 G# q/ s/ |( A0 [4 L0 z
set i
$ W% ?# ?7 h3 f' e( i + 1)% Q/ u6 W2 G3 Y& X
]
6 Q9 ^& O7 k, N1 [, a5 ?. [let j 3
@& \- C. T- W: k( g `1 llet sum-money 0) R, t1 u6 f* T% A& L4 N
while[j < [trade-record-one-len] of myself]2 l z5 P" r- P- z9 y8 f0 x' m
[% E; \6 T1 T; i: e& s0 C! U" A. M3 V0 l
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)! g# N+ I! w/ k$ p' h/ m4 v7 e" F
set j
) ~5 y* G/ Y7 V( c) a( j + 1)
; Z: n+ n: @- `5 F w]
6 A# {; s+ o% |2 dlet k 3
x3 V% @- f9 v/ ylet power 0
- k0 H% t4 Q/ P* t' Olet local 0
, L8 ?3 B# I; \4 Pwhile [k <[trade-record-one-len] of myself]
) H" a3 ?& A r( }5 W7 }[- u' d1 J7 R8 ]3 }/ }
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)
[8 N" D# X/ dset k (k + 1)" v! H0 j% t& t+ W6 a
]+ {5 _/ a2 m2 s* x: P
set [local-reputation] of myself (local)( w" w9 _# {- H! I7 A* m
end
. P. o3 {5 f2 ]' F$ E# q' n4 n+ \( y; q9 l# L Q+ d% V" G+ N+ _
to update-neighbor-total
$ n+ D/ K& I8 V( |- U
+ |) L4 w2 f; w( D Z9 F, o# aif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
2 x) O- ` [* y9 J8 R8 T7 c
# u' u! \! R" u- f+ S
% k" _4 N" T, D1 ]3 Zend
9 b0 s& r( D9 s: a& B
9 o) I/ C3 M- t8 t& ~) jto update-credibility-ijl
+ A: G6 h+ e$ O9 w8 {# f G' L2 L3 r& ~! Q, Q7 W! l9 w3 [* q1 \- S" X
;;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。/ P! ]7 g5 ^4 ]# a1 P6 g' _
let l 04 E+ t- W4 n" R
while[ l < people ]
) x* I9 I0 {* f5 `! `/ G;;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% U8 M; N! ]0 O. G. Q
[
* `9 s; j2 l" r& O" v$ \3 `+ Tlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)* G+ {" x) d: C% d
if (trade-record-one-j-l-len > 3)
n( r& {2 ~2 e[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# e: B5 R0 ]2 @; h$ zlet i 39 |! Z" J k* I& J; l' p
let sum-time 0
) ]; i, R- N9 v0 m$ fwhile[i < trade-record-one-len]
2 ?9 s0 ~# h% x) o( |: b, Y% t! d0 V[3 Q5 }2 r* e7 r2 y) k7 X0 G
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
0 \' p# T* D- c# _4 qset i
2 t+ b9 K9 |3 [" n! g; q" U, A+ O( i + 1)3 z" U/ X" m4 Y( \
]* f) l% g s6 S; {
let credibility-i-j-l 0
, m0 {& c( [, c' B5 l5 ~4 ^;;i评价(j对jl的评价). h3 F+ F& K' s/ n9 E
let j 3
0 b1 B" `( q; C/ O7 x! ]7 D9 M( Glet k 41 |2 Q9 N! {# r2 R
while[j < trade-record-one-len]
8 G. D) ^ r, X9 J* U3 o[" d3 e1 z$ |5 }) b: j: q! ]+ {6 i# J9 D
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+ R: |. s* t6 e. k* q
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)
( N7 v/ @" Q% W2 E* Rset j' L1 G; E3 } n
( j + 1)
5 Z! L4 W( g, L- []
( E! ~! l" B/ G" F/ ]8 M! yset [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 ))% P0 y# ]9 N3 I% ]) i* Q
) u0 w) s$ i9 a R
- g0 u& [" r2 o8 W9 T
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 c- d0 ?6 i7 Q. L! Q7 F ?6 q;;及时更新i对l的评价质量的评价4 N, Y# i9 E$ V. i3 |
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
# L6 U0 n/ a! Q$ {* kset l (l + 1)
; {. J% `+ B5 A/ a" H]# f/ d. \. C& I
end y7 u. J" b: @; e
1 {) N( r- ?; e* Y# s
to update-credibility-list
' g& s2 {1 k1 h7 c% U+ D" f; Hlet i 0
# i! f) S# n6 R" V- rwhile[i < people]
1 ^* z2 |, {2 Y; f/ c2 l$ ^- F[4 Z5 T! r/ n( C1 B
let j 0
2 l& x" X' r8 n0 ylet note 0
6 m& J* ~( {4 \0 ]+ l1 x1 E$ S: wlet k 00 J. C5 c, T' @" K' K
;;计作出过评价的邻居节点的数目$ v* D% a0 `4 X$ u1 {1 G0 c7 `, R
while[j < people], D/ D* e; X' ?2 j
[
6 t- e2 K* E6 U& @if (item j( [credibility] of turtle (i + 1)) != -1), C" |6 i6 f0 o1 X, _, [% R
;;判断是否给本turtle的评价质量做出过评价的节点# E" k) p* |( O
[set note (note + item j ([credibility]of turtle (i + 1))); C n* c- E; ]# i0 |
;;*(exp (-(people - 2)))/(people - 2))]
' ? B: k% `" `set k (k + 1)
$ K. m+ g+ k; ]# g3 T]
; V* I7 G# g/ v# Y. Lset j (j + 1)
; C F3 X2 l; \]
: B6 l) m- q; a& [! S# _set note (note *(exp (- (1 / k)))/ k)! O2 X1 o! X# Q$ O# t l
set credibility-list (replace-item i credibility-list note)% r, A0 S5 u6 {
set i (i + 1)2 [2 m) g# }# P
]
) }5 D( o+ {1 n& F" p- T; D* Bend$ b3 V' {! b# w& i+ C
# o% Q# r/ l* x: `9 }2 H9 `2 {
to update-global-reputation-list
+ L7 L2 h( v( ?" O7 L; clet j 0
$ v: y. U* L+ J2 rwhile[j < people]. ^" r* B/ Z4 `+ e/ a) s/ G$ p
[
7 C: I2 l$ J; x6 @/ alet new 0
. i* m# E2 s1 R0 v;;暂存新的一个全局声誉9 a, i3 x: ^ x# r8 [$ \+ D
let i 05 t/ a& x$ ~6 Y% C
let sum-money 0. O9 i7 f [; e* g Q8 T2 n
let credibility-money 0. o3 G" O! ~% f1 Q3 E, r! L
while [i < people]4 K$ D1 f1 ?. P* s# `
[2 i* d9 i( R- e+ o& p
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! y F1 N- a( ?$ }- q
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
/ n3 ~6 _8 D- a4 Z3 y4 f% kset i (i + 1)8 o9 @: ^. m# u1 }
]
% ^' Z& Z- Y& E Glet k 0
6 V5 q& a3 t! j+ { c0 wlet new1 0
u9 w6 ~9 b/ `, A+ r% F6 G$ g: pwhile [k < people]
1 b* [& }0 ~, g[
' ]: M% k; f1 s) f4 k9 ~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)
/ Q. j5 G0 V0 {5 V' Sset k (k + 1)
5 ^" o: ~# A- Y4 \) W* t2 W% c]
0 A. n5 y, P9 g* I% [% |5 w; fset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
$ U! S- M% ?4 i! Wset global-reputation-list (replace-item j global-reputation-list new)
* X+ `+ J8 A! C" \set j (j + 1)# _) h6 ?( n% a# q" H4 O; G0 ?
]8 S. N7 c. T2 @+ ~5 G) X: a% @9 J
end8 s7 B! M! Y) m4 `; o9 K+ B! H
+ @1 X+ D8 m6 f* ^( @
, U [& {, [* Y6 A+ \
" j; f! p' b) ^6 ^+ _+ ? _to get-color0 ^* g% U8 e; t
+ D- J2 `9 Y" o" E; f
set color blue
7 ]6 s9 f& l& V8 J% O) x- Vend
O9 d7 A/ q' q7 D
- x' q7 G% g# F$ D4 \1 K% nto poll-class, P+ E: i m! u' i' _
end
) K3 w: F3 d, M1 b& D; o' {& F/ Y6 d! J" ?
to setup-plot1
- }; c" d2 f. ]8 [/ r( n, Q+ H7 V! W& w: R" [2 g/ S
set-current-plot "Trends-of-Local-reputation"! ~, M+ ]) _3 H2 A7 ]
d5 Y& [: C1 }7 A. B
set-plot-x-range 0 xmax3 i2 X+ }" A( c' L2 W8 B7 R$ G; U
3 ~+ v! b4 Y# Uset-plot-y-range 0.0 ymax) Y1 y4 ~+ c- F5 |5 E
end
7 {+ l6 C: |% R1 |, t C" w* w8 z5 _. v) Q9 `& w, h! C
to setup-plot2
; |5 [ q, u, H ?+ C3 W
+ l+ E4 E5 }. W' Z! g8 c, P) |set-current-plot "Trends-of-global-reputation"
0 A7 u7 n1 a& b& B0 g( ~
! V" K" n3 Q; _" k: S" \. Uset-plot-x-range 0 xmax$ U+ [$ c0 x H, s+ T9 e6 @
3 u" ^8 n6 [, t8 t8 O& sset-plot-y-range 0.0 ymax( d8 O ^. d5 e3 \7 Q6 C1 f
end
% W1 g6 H$ R0 [9 N$ ~# e, d. n, ?/ ?8 l9 s$ E
to setup-plot39 z/ {: R; a- C5 y- F
o- \0 N5 c1 E9 e; m7 {" ^+ T
set-current-plot "Trends-of-credibility"
) S2 ?4 }) ~$ l6 _; V; a& X- t$ Y9 c5 ~5 @( b! B X4 U* t7 a
set-plot-x-range 0 xmax; _$ [' D/ N+ l4 X
+ q) q7 }8 L2 \9 ^" gset-plot-y-range 0.0 ymax3 s) L" q9 Y( ^4 L4 p& n6 ~
end r' h0 { k, b; V& ]
) z! H: L/ V) A$ J: a6 Qto do-plots+ @1 u8 a6 ~6 p( l/ E: P
set-current-plot "Trends-of-Local-reputation"; B; F5 W; Z v4 w' n8 x, b9 @
set-current-plot-pen "Honest service"
" y! T7 Q9 o# X; D% X; t. Pend2 | B* b, C( |
! y: [8 I- X" M6 ~8 x, ?[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|