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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" m3 O" Q6 K/ B
globals[) V' g2 V8 C* e1 y' ~
xmax9 {' Z9 a* }+ ^( ~8 ^
ymax
- [$ z! o5 g- R, t8 pglobal-reputation-list' l- \) y1 A% `' \9 c7 k
8 g6 C! b, S7 K
;;每一个turtle的全局声誉都存在此LIST中, R9 R" G! b! {4 F$ ^; i$ W4 h
credibility-list
) L I1 s0 T. j- B0 I3 v* Z; f;;每一个turtle的评价可信度
' X( {, g8 @% j" \) p. f1 khonest-service
. b, i) w6 k9 b1 t% ~/ ]unhonest-service
0 B4 T' Z' ]' b+ Roscillation+ {2 f$ P# G9 u; R
rand-dynamic
3 }4 O0 f4 `9 T# c- {! \( A* t: Y" B2 y]7 a, B' B9 z3 G
2 q% E6 y. i! D/ H0 S
turtles-own[4 p6 Z, f6 w; H( ]6 H3 Q# W
trade-record-all# L1 t5 Q% o3 g+ {& V
;;a list of lists,由trade-record-one组成
3 ]# C3 ^4 X; y3 v4 S7 qtrade-record-one5 O2 P2 y( S9 G/ T' A. R9 W( a! C
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
0 v* z- `" s0 i4 `" {8 N8 Y( Q) [7 K# v% Q( S' B) c
;;[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]]& Y$ T, w0 L% n6 A8 Y: t
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]3 J8 ^3 `3 ]- a! t6 A$ v
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, G- z5 M7 V) _# P- W
neighbor-total
Q8 B) W7 h. ^3 j1 k- o0 H;;记录该turtle的邻居节点的数目, Y: r- a5 P/ R7 Y, y/ ^
trade-time3 ? Y7 ^; ?! C' |, K
;;当前发生交易的turtle的交易时间! r# y) A- M' o0 Y3 ?% K0 Z; G3 z8 C
appraise-give/ K9 z$ d! A! @7 t g
;;当前发生交易时给出的评价5 h1 O# { n5 Y) _
appraise-receive
- _8 b6 J. a9 ]& [;;当前发生交易时收到的评价! K& J: d' c% @5 e4 U' m
appraise-time
3 c9 U9 ?( A( ^, V" l v+ V3 a% V0 _$ b;;当前发生交易时的评价时间* U' F6 S, R" N# ?$ \3 y* ^9 _
local-reputation-now;;此次交易后相对于对方turtle的局部声誉7 c4 o" C: T4 P9 c
trade-times-total
3 J" J; `2 x: u# P' ];;与当前turtle的交易总次数. U. T' u/ V: q0 d
trade-money-total1 M9 `' I1 u, l- e, J# B! ]( {
;;与当前turtle的交易总金额
9 m: K' c8 L* R6 a* Xlocal-reputation p/ L9 L: D% d! m$ I
global-reputation" I# v7 }- N, M
credibility+ q3 ^; h9 i6 g$ U- v
;;评价可信度,每次交易后都需要更新
) a4 M9 H; j% k* }8 Ccredibility-all2 z6 D8 M. x7 W [% G2 w, R5 Y
;;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$ @9 K1 S* f9 W
5 S7 Q( G# o" B. ?8 A4 u
;;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" F/ `; t& l3 t
credibility-one
% t/ p6 D! B! s% Q9 {: v;;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. l( w4 |: d. P) I$ Q2 p7 z* k
global-proportion
. `( x' v2 l# D) c' ^, [customer. q# z5 n5 n. o; g7 z* f: h/ t
customer-no# L2 P( f( o! w9 q u( ]
trust-ok, y$ i+ b( t8 a
trade-record-one-len;;trade-record-one的长度
t: ]0 M v5 f8 n0 t6 x- y8 o]& d7 g/ C! T4 r7 g* U
. e: u$ x/ y% E
;;setup procedure: J6 j. j! F3 p/ ^- ~
) w. F* z) N3 K, {
to setup
- H9 w* A; n7 V' w
4 N+ k6 n! G/ Tca* F+ L# J. D5 b' ^5 ?9 {* S- c# s: o
' c: W0 f& h/ z/ p2 ?% L8 V/ x0 _
initialize-settings$ u+ _7 Z0 b) k& F
( B5 }4 F5 K( Y' I+ Y7 Fcrt people [setup-turtles]
4 ?* V- Q& Y' ^% }% ?3 ]" |% B& Y+ B8 L0 G1 W& n+ M Y
reset-timer
9 c5 s* m: b" H+ J7 o; e
* Z( I3 A7 `8 Q7 n0 Npoll-class7 C2 P9 [- E" H! F4 @+ r3 H" x4 P
6 }1 O# ^3 U* K( n( J) R: n1 esetup-plots
2 F% |7 s; L% U F! M+ M& ^% [. l/ [) W3 X, o4 e
do-plots
, T1 M$ [# I5 kend6 C r" q, b1 f; O* @9 \ E
; L% r) W1 e3 q* Zto initialize-settings- m4 `- ^2 _: \( K, t: f
9 t5 ^5 K6 w$ X2 ?/ e
set global-reputation-list []& E- H" m# C1 w6 _& O2 J
. Q. f+ S5 l4 r7 m0 K; Mset credibility-list n-values people [0.5]5 S. N! U* b4 W x) L$ t) P4 O t' f) ^
( E, Q& i8 a" M3 a& ~7 ]
set honest-service 0
( t/ b( Q! |2 ~( x
+ Q# z6 P; k# eset unhonest-service 0
5 T! ]6 y" e I& i5 P8 n5 R' a
& U; L* \& u0 t6 B& _+ B% [set oscillation 0
* [0 b7 [! @* M2 s5 i4 ~! a5 K+ x% [! Q* s. L- R' O
set rand-dynamic 0% E5 Y5 C7 I7 E8 }% o$ |
end1 H# |9 o7 O' z+ d3 f. ?
# c$ k1 V+ g% Q5 G) ~( @+ V3 @
to setup-turtles
3 ~7 B2 O( P" [' Y) e6 n" U6 oset shape "person"
: c+ A/ f3 q) Lsetxy random-xcor random-ycor' ?# e0 s. z. W2 j C, N
set trade-record-one []9 N, R7 N9 g+ I! S) ^
$ c; h4 {3 M6 v/ C$ B8 C! p2 dset trade-record-all n-values people [(list (? + 1) 0 0)] - ]6 }2 ?) z4 h I& K% E* r. t, U
, L) n) K" R9 n2 @) Q/ iset trade-record-current []
( }5 S3 V4 m: |set credibility-receive []
: A1 Q' x, J7 W# T) Z$ mset local-reputation 0.5' {( v) P! I" }3 l; A
set neighbor-total 0) E# p8 g1 {% ~; y) R
set trade-times-total 0! w( j0 K& a( ]. D$ }. i6 M$ y
set trade-money-total 0
6 a8 b# i2 ~0 wset customer nobody: d1 S# ^$ L2 V$ S1 x0 x6 m1 w
set credibility-all n-values people [creat-credibility]
# L/ `0 h$ D8 Y1 K% c1 iset credibility n-values people [-1]1 F+ V6 V' m6 O% @5 @
get-color+ J3 D, H, M7 K$ I9 p% i
* k" M# Y7 G+ b0 H
end
2 Q6 y( b5 I3 J6 L+ q2 v- V# L2 H+ w# p/ |* p
to-report creat-credibility
1 N5 c% q, }1 `& i& o Ureport n-values people [0.5]
1 X% e( `6 i1 R& ]- Eend- v1 e" Y# _% O4 e* g! t
% c9 I* B% D7 n L
to setup-plots
- a+ z: [/ n1 G# m! N6 O' {2 N! H' ?( m; I2 w/ h( S
set xmax 30; g. ]% M- t: Q0 H7 N2 s7 v9 ?
# v. R; X+ q/ Q5 Y- i
set ymax 1.0
1 h+ `5 i" N L) Z. C8 n* q3 k$ W+ w( n5 g/ `5 N
clear-all-plots
* |" G5 s- e5 m2 r1 s
3 T$ W9 y# L, v+ N' m0 Q1 f* jsetup-plot1+ D; q' a; }% H' V
1 z/ N2 t a) k
setup-plot2
! x7 g2 c/ [/ n) F5 H* A1 X4 N/ ~. i; b7 `+ H( @( @! e
setup-plot3
9 K# A h8 \3 n. C& k+ hend
, b2 c) _& |" M0 r! N4 u/ G! z% ^) Z( G! y" l& E
;;run time procedures2 K$ L# K3 {! a8 V* `) i
) P& Z$ T, Q8 C; m9 [! v, O# _to go
: X. Y# P% [" T" ?$ I7 ?7 ~4 a5 O: Q
ask turtles [do-business]
( V R$ A3 H" F Lend0 o+ p! s% o* G& [% f
$ d7 n7 l# f! t1 c2 y- G7 r3 Lto do-business
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% x( [8 G; K* u% j9 A! Q' b" i2 ~! a9 ~+ k8 m2 L' w
rt random 360) ~# ?/ x: X0 M2 s/ X! P* b
" o g' n8 k4 U9 o$ c) ]' Q
fd 1
8 ^8 K+ A2 D9 v- d% W- v5 M! R
+ d/ a" G( E! R0 vifelse(other turtles-here != nobody)[
+ |6 U5 L- Q6 h3 V5 Y$ G; {5 C2 Z0 \3 j5 x' H I! b7 L3 L
set customer one-of other turtles-here
9 [% o. K) h& v( }6 x w8 u5 r9 j/ ]8 [" S, T4 B1 y& q5 ~5 l" Y# f4 [
;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)
& G* E7 _: I! G5 [3 z8 l/ o[trade-record-all]of self: F4 S2 U0 S0 X1 O) u7 E
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
/ q+ `6 ^4 |! d1 @/ s5 ?/ X( k( `# Y
set [trade-record-one] of customer item (([who] of self) - 1)
4 q2 n4 l- n$ t) P7 o[trade-record-all]of customer6 U: I4 o* y% b/ x8 z8 ]
. k% C0 I9 y# g9 ]3 a( \$ |5 y7 J |5 Kset [trade-record-one-len] of self length [trade-record-one] of self+ Z! \) F- I( i5 @7 p
, ^ v h P: V9 Kset trade-record-current( list (timer) (random money-upper-limit))" y8 u1 v1 W4 [, Q8 {
0 k, V1 q2 N3 U+ g. k# c
ask self [do-trust]
; m/ T2 K6 Z$ {! d;;先求i对j的信任度
( \8 ~! f% {0 w, U; B% Y
# [4 i2 |$ x" x& s& X( vif ([trust-ok] of self)$ ]% J2 @3 \# }) J
;;根据i对j的信任度来决定是否与j进行交易[6 v: N" ~: E2 P
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
* ]# U0 c2 j# R& D) Z: a* v& R0 D( \& O$ {. C
[$ J9 ~: S. b' f4 Q
$ t& U! D3 `/ w& J: Ndo-trade
( k( p0 b& m" L& H& O" \4 R4 I! H$ u) t% S2 j* h
update-credibility-ijl
: Y3 g$ { t& u! S/ j& K
0 U$ `5 g' E, N) c1 yupdate-credibility-list
' T. K7 f- ]1 ~) N1 U& K# m, c* g! a+ K! \1 P% q- K
2 E3 T/ k6 N+ h0 S, \+ F5 Fupdate-global-reputation-list( c, g: C' F0 n0 Y8 h$ h" l
5 x9 b% |$ I. ^) H3 A5 d& X: wpoll-class
' a( \. a3 O6 t# N! ^
7 o$ X7 M, Q5 D4 Oget-color& q5 M' p j9 ]
( Z# Y* W4 I& I% V]]
' o, d9 {8 R/ Z* F0 n! p& a; m$ K8 {$ c# I
;;如果所得的信任度满足条件,则进行交易& t+ o2 i- j0 H: T2 P* O* R# n
1 {/ O1 s, ?% N- J" \! }% D+ ~- x. ~' f8 [[- P( {& ? a. I- A) h
& f/ D8 e# D% l" S/ ?9 {1 jrt random 3600 I1 _- d# Y* e2 S5 X1 U8 O1 n0 `0 d4 R
4 |* l! F2 ~/ }# |5 M5 T4 kfd 1' [. A7 `/ p* Q: ?4 _% X
3 o: g, O9 Z% `( G6 o]* R: Z! k7 B: {" k
) h; F; E! ]1 S* i( j( X" a; G; v! }
end
: z$ S1 q" w0 o! ~
4 J( ~8 I) I, Q8 x: cto do-trust
w. L9 P; Q* r; _8 D' eset trust-ok False9 W0 u$ ^, T" C- e8 j
4 D; n, Z+ A+ _( V+ d& z. e
" e7 O: Z6 X$ ^/ l6 Glet max-trade-times 0( V' Q3 b( Q, u! p" I1 H1 T3 C( Y
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
/ Y0 e! s4 f rlet max-trade-money 09 b! L( Z' \. h8 o
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]' V" t5 r+ ?( b) B9 f o
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)); Y( ?4 I1 S! {
0 I# G2 A: u0 D, n ]% f& i* B
2 k3 {7 c: D- K9 B* F- Qget-global-proportion
/ N2 U6 O" G/ J& K2 tlet trust-value- P" p* _2 [* k8 Y3 _
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 B9 ^4 p; a8 t8 Y& a$ nif(trust-value > trade-trust-value)
' C! ^( x) M, K( H$ v8 K$ p[set trust-ok true]
! |) \1 S& |* Q- T- z. ?( A5 {end+ {2 F; x2 Z7 |/ F: d4 v, q4 y
* l( _7 g! d- P# V% A3 a) mto get-global-proportion
" f- f* T+ }. r8 ^; l8 g. ?5 m' Aifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
4 R' `8 Y3 Z+ z$ a[set global-proportion 0]
& m: S8 |' G9 C9 h2 e% A[let i 0
y0 C! w9 b9 B% flet sum-money 07 j. N8 T) d8 {* u7 Z
while[ i < people]' r& s; o1 F2 A& c: s: ^/ c
[* o p$ }" l! |2 M9 o4 S1 O
if( length (item i' ]8 j0 ~9 m) I) E2 C$ G$ u
[trade-record-all] of customer) > 3 )
) D; z; _) m; `4 s+ [3 T, {6 j( E[! B* U7 o! R& u$ v- e7 s# G- \
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))0 u7 n. O/ V% k( h% I- k
]
) c/ B! B) A3 D1 J/ h6 Z% O0 h% A]
- B/ H5 d1 a( b; `let j 09 y1 W. B1 i7 X* e. r* \
let note 0) P# M8 W* S$ ^/ d& f7 t( d
while[ j < people]- P# a/ _* D9 [, q
[
6 ~! Z5 M7 ]9 Kif( length (item i" `7 g" ]$ w5 q( _5 X! a" O* l
[trade-record-all] of customer) > 3 )
& J2 _& H: l9 o1 x7 K[
5 E# o0 \$ q8 Q' w" y4 u Sifelse(item ([who]of myself - 1) [credibility] of turtle j != -1): F' D8 x# p. o# m: Q; J) I1 ^
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]8 e- t8 p. `" P6 V5 E7 b
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
( `8 }% ?; {. N" []
5 i# Q% E, A" d T]. _6 r6 ?, _9 R
set global-proportion note8 E7 @: T7 H. H9 B3 \! F
]( b$ H- G) m& w" l* x- G' a- O
end
' @. g) f4 n8 v1 s: x: S/ J- }/ U& A: v5 V
to do-trade
( z8 X4 U: I- a1 [+ C;;这个过程实际上是给双方作出评价的过程
8 }! g) q6 {, M/ K9 w$ _set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价) D8 C. P" \9 c: j8 c- C
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价/ o5 z4 b+ P- J" {: I
set trade-record-current lput(timer) trade-record-current' x, @* k# Y6 N" m
;;评价时间
G: J$ U# i* l g" s7 gask myself [
/ |9 [8 s" P9 m& J# V+ {6 Qupdate-local-reputation
x/ q, w+ }/ N: Rset trade-record-current lput([local-reputation] of myself) trade-record-current
7 ?# k& E* ?- w: P% s1 U]
* h% [5 X. y" o. s$ q5 N5 y% nset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself6 D0 U+ {% |" r8 {8 ]3 s- |
;;将此次交易的记录加入到trade-record-one中
2 \: A1 H' r4 J" M" q6 Jset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
5 q( P. N. n; l0 t$ |5 P8 X3 L3 {let note (item 2 trade-record-current )
% O+ _$ Y+ D. e z' k, vset trade-record-current8 X# Z8 c0 {/ y, I! ^
(replace-item 2 trade-record-current (item 3 trade-record-current))
9 K$ D8 V* V: \) S' g7 o, oset trade-record-current
7 X2 P0 [8 z8 o(replace-item 3 trade-record-current note)$ C u: e2 r: _1 I1 U# F
" J: R8 f# [: n5 u
2 a" g. q% S+ g6 M1 S+ U. t gask customer [
' T* A" l& V0 u& eupdate-local-reputation
W) F6 v) H" [+ Dset trade-record-current/ {+ b2 Z% B( k6 r7 A0 o% E+ r8 T
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
- I) M! i' i) ]& ^- w]2 s8 {5 k* w$ [
' H2 c/ g0 D% A0 Z+ W$ O5 @% d
' M( z- [0 F% X2 ~set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
7 V0 ?& _1 Z, n& n$ k5 h- Y( u' u: ~ G4 B
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
7 b2 ^ j2 g. }/ P: b;;将此次交易的记录加入到customer的trade-record-all中
+ L; }, L8 v4 K, |% O3 y/ u. yend
* v4 Y$ K$ z+ H! z
# ]' K6 }# ^0 h7 b" zto update-local-reputation0 v* a6 l3 }: T
set [trade-record-one-len] of myself length [trade-record-one] of myself
% U! _+ |- G% H9 C$ V
# @0 Q; ]1 K5 t6 M; f) J& j6 v7 u7 @ |: T% u" t/ E- ~
;;if [trade-record-one-len] of myself > 3
4 A0 G( u5 w1 d/ dupdate-neighbor-total
+ Z9 O7 u2 g7 A6 n;;更新邻居节点的数目,在此进行
. O ?7 Y7 e, u/ u( M; s+ {- Flet i 3
1 t3 G3 {/ l2 u4 s8 mlet sum-time 0
5 I0 T2 R* A7 p* u# Ewhile[i < [trade-record-one-len] of myself], j! |9 E* y( F3 D3 | C
[
8 k% H @# ~3 I+ Q# Yset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! V/ u& f- A2 M( i4 F9 wset i
; u) e; ?4 |% ?3 h8 c( i + 1)* j- ]( h0 V4 m( j4 p6 T. n
]6 d; m- o% w" j1 o/ Z# S0 [% w
let j 32 h( f- t- m4 N9 {% W# c
let sum-money 0% C0 i/ f& G) M# [5 G
while[j < [trade-record-one-len] of myself]* ~* {) m8 Y' j; b0 l) Y
[
! B4 P4 ` j- G3 x/ Rset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
! H0 |1 Z+ I- C% U5 A- d: tset j
0 T9 O. \" p- e0 i( j + 1)
7 K% b" X! _4 W% P# g7 h! \]
1 q/ v9 b9 p! s n$ ilet k 3
1 r' [; V8 m0 U" X% V9 {let power 00 {) t. y% r. c
let local 07 ^- F- z4 k |# C! |; w7 j
while [k <[trade-record-one-len] of myself]
( k3 a( S2 o9 M- u. H0 D; l% D[1 X0 z# B4 |6 ^. v+ y" ^7 V# `* d
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)
' J; a; R* `0 w3 Z& Zset k (k + 1)
, r7 {/ C, \, o]0 k' f5 k% {( V
set [local-reputation] of myself (local)
& c+ B7 C6 h% Dend
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to update-neighbor-total3 v7 \+ v$ p g7 b
/ \& j" s3 o, ]* D$ n u% E9 y
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
. n. G6 a6 s. ^6 @( M
9 t& A6 Z4 R6 D0 p- |& q2 T6 A7 {! k! ~6 x% N( c! p
end4 ^- _8 m- P0 R7 g
$ d. ?. k4 S7 W; P
to update-credibility-ijl $ r w c5 j* }2 ]' a$ _- b& q3 v
1 D8 U( S" {7 K, d/ N! R;;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。, h2 P9 q; k3 r! F0 m% A# I1 h
let l 0+ G+ J& l5 E" T3 L: e% Y* C% ?
while[ l < people ]
9 v# B1 s# W' R, r;;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! H9 E' `! S3 k
[
' d8 w0 G$ s+ q7 Tlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)# r V2 ]0 j7 Z" N4 j
if (trade-record-one-j-l-len > 3)' S. m N$ ? Q& }; n
[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
9 h7 p. G0 T( V+ l: u ?! X. nlet i 39 M. j% e ?+ k0 j& v
let sum-time 0) i' Y* o9 Q' ~/ M) e5 {; k# Y& j, F
while[i < trade-record-one-len], |+ m' V o; D
[
a: Y5 e' t1 e4 H9 \+ Oset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )8 `4 f$ x( E) O! z: V6 k9 L0 x
set i0 J- a3 `5 N1 @# ]
( i + 1)
* a4 T- {- z& Y5 J* B5 {]
9 z8 ]8 l9 Z$ K- ]3 g8 ~let credibility-i-j-l 0( b+ _7 f; h3 H) n; {/ {6 i! V2 R
;;i评价(j对jl的评价): X$ E F4 g- k, ]9 \& K# w- q
let j 3
/ F$ n" z% A( B4 |let k 4( m2 y8 Q% J8 R" d! e/ N; t5 G( P
while[j < trade-record-one-len]2 e' m1 {8 E" U5 X/ p+ e
[/ y' w1 M" _- D9 x6 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* T/ S6 [, y5 U& E% ^
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)8 M7 G; W& g" E& {
set j: u2 x9 L% H9 W
( j + 1)
; B9 \# t# z; g* J]
' v( Z" W1 d" j ^1 B- L% gset [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 ))( L0 h& i7 i. D8 p; F
- Y3 f6 g# i% j5 o# P/ T v: I
' r0 A6 a( ?+ D
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
. [" j" L H' ~- z" N;;及时更新i对l的评价质量的评价2 g+ @: p7 u: Q/ W ^
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]! o7 }$ N$ ^! G$ Y7 i* I
set l (l + 1)
6 c& Z9 m3 j; r. w1 x: j- Y* u]
6 \+ R; w1 ]2 q; _( {6 q* F# {end/ J& |4 d8 t* M& B+ P" m
j5 g% |' Z- z. J$ kto update-credibility-list; O! ]+ d# f* H! C( f6 ]1 Z# [- x9 I
let i 0) B/ J6 @0 f$ C. i( b( @
while[i < people]
7 A& Q6 e/ M2 K. z[
/ f$ e+ x1 n: \1 ~let j 0& k$ k/ |5 V3 Y* Q6 Z
let note 0* n' C' W: ]) w% g
let k 0
C) q2 t+ ]6 F2 C( t/ s0 C;;计作出过评价的邻居节点的数目1 S- F# X* } U7 M
while[j < people]
' N% E6 t, M1 t3 S. h[
" x# P1 }6 j( C7 f! Yif (item j( [credibility] of turtle (i + 1)) != -1)# a3 n+ j7 f8 B4 Z
;;判断是否给本turtle的评价质量做出过评价的节点
3 @; }; U5 U9 T4 N& c[set note (note + item j ([credibility]of turtle (i + 1)))
& t0 |6 E) E3 w. r ~) F/ z;;*(exp (-(people - 2)))/(people - 2))]
6 ` m# Y5 x9 e! `! Tset k (k + 1)
4 `+ Z) R! ~6 O) f* A]
; h9 Y' d5 E/ o, vset j (j + 1) g; a2 D- [- r; u: X6 p
]& `4 t4 N1 C3 D
set note (note *(exp (- (1 / k)))/ k)! ]( p% j8 B/ R, p3 U7 e/ E# s$ l
set credibility-list (replace-item i credibility-list note)5 c7 p$ q8 j' R( ~5 h% L
set i (i + 1)
: P4 E. ]* Y% i; N]
( V& ]- a* e2 H3 Tend
3 q7 b4 s. n' {. k2 W0 |/ V# M- p/ t: q8 s5 z
to update-global-reputation-list
% R- R$ H7 L# ^let j 0/ X( h6 s) ?9 q0 \* N; k2 G
while[j < people]
& O1 c0 H$ T Y[
* _8 }8 l" W* Ylet new 0
! D$ M/ R' m: `9 U/ s;;暂存新的一个全局声誉
; a0 a- D8 }2 N8 F8 X" Ylet i 0* M3 J& ?% b9 [
let sum-money 05 q$ N0 Q0 v; I$ V: ^* v' l: _' C
let credibility-money 08 Q n5 [2 e3 k7 T2 i
while [i < people]! t C1 Y+ Z# j
[) L U6 l; Z3 G+ ]6 o
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
" O8 D6 ~ b9 F% W* Sset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))2 l, M, M; {; ^$ t
set i (i + 1)4 B" B, T: V0 ?; V
]
/ s% S# _( V) a/ y# ^let k 0
" V+ F0 i0 ~5 \/ f5 F A0 z1 x1 Xlet new1 0 L, D! i/ T, R/ B3 |9 ?+ A2 L
while [k < people]0 }0 L* } u% `
[4 W$ _! z v' b9 E v
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 u6 `! _, N2 k+ ]' `. c5 Eset k (k + 1)/ ]2 d- L" T& l p% [+ d2 F
]8 X; J4 T6 E/ @6 \" D
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) " s" g+ V* W R) G* [! s
set global-reputation-list (replace-item j global-reputation-list new)
2 T0 P0 d& {5 q& J* y4 T$ ?set j (j + 1)! Y# n! a1 I/ P t4 s- U
]
( `" N2 U: ^ j, T0 L5 k" C% Rend
" n5 m- A' e3 L" R, b
5 L: _, ` \% U" V- V- X! R
( J, `* W6 W. J: L3 Z L2 l
4 n' v8 K* E- w0 V9 u% n/ x+ t4 H) \to get-color
" M* Y2 G$ U% `* E, W. T
V6 Q4 x0 X! u' V3 bset color blue
8 ^- |! Q/ v$ `- Yend; p K# j g& K# g. ?, ?' N
, K K# }9 v# Z4 q% s5 e
to poll-class- w5 y3 y. w# ~
end
% S$ f; H/ U5 V" o z# v& D
- A- m' E/ _5 Dto setup-plot1
: _) z( b& l- n0 X
F' S& m* l* cset-current-plot "Trends-of-Local-reputation"( h4 L! _$ _& A$ K4 d+ D$ H u
8 [0 g) N- P# \0 u3 F# u* q/ }
set-plot-x-range 0 xmax( g6 Q& C. K5 z* V, o( _. k" x
# ~% f9 N$ Y; \0 i* s7 Xset-plot-y-range 0.0 ymax+ G# u( o9 ^0 I
end
0 L$ Z( X$ F. l- f
! e; I% A/ B+ s/ N1 d) `to setup-plot2
! W( w* w5 C3 w
5 T8 B" b* e* iset-current-plot "Trends-of-global-reputation"
+ c/ @- e+ Z# t7 \1 b- i) H. p) D% T9 X4 {' e, c2 Y7 `
set-plot-x-range 0 xmax& [% I1 }9 t; u9 d- z
9 w+ L& J0 V. V- D3 M1 }7 Tset-plot-y-range 0.0 ymax* c5 i9 b" p+ [- ^6 k( o5 v
end r# ]7 ]. d. b9 J; g% K# ?
4 ~" q& K2 N1 J$ ~$ C
to setup-plot32 ~! }( o3 L3 p! _% }
1 h! P2 r5 F; y5 T8 W+ K: T( ?3 \
set-current-plot "Trends-of-credibility", ~7 T; j$ }7 [
+ Q d; i" c+ W6 N' r( S2 F9 Jset-plot-x-range 0 xmax
9 V# {; F3 U8 o0 v% m+ ?6 h; d5 J7 K0 C1 j) K0 v3 I( |" V# w
set-plot-y-range 0.0 ymax
, O! E+ \9 B9 r: Mend
; `# H' F8 R" p r3 j
$ G$ M' e' j/ X6 r0 Jto do-plots
) m9 L5 J) E; H- l: E$ g+ G6 Tset-current-plot "Trends-of-Local-reputation"! s5 u% K( O L- S% P" E8 C4 Q
set-current-plot-pen "Honest service"
& X' S' s0 ^# L. e- V5 ?end
- V+ o5 c; l6 C* C- q+ d. ~- v, d# G/ p# J$ ]" @. _5 G' J
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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