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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
* n/ l7 R+ {2 [& R' W( Jglobals[
5 Y7 E4 ?2 _ c( `( L0 bxmax
9 O* o9 d. N! c% j# h* Cymax9 L9 Z% D' C+ H _- G! p6 ~
global-reputation-list
2 A6 Y4 J8 C% r$ |; u
0 S6 u) K# {1 l;;每一个turtle的全局声誉都存在此LIST中7 z& i8 i$ g; N ~
credibility-list
7 h, x. k# t) o+ [# ?2 q;;每一个turtle的评价可信度
2 V( E) N" R _6 W! fhonest-service- y- ~& W, ]1 D- e; N- J2 n
unhonest-service7 g) G, C/ _- e' X% n9 g
oscillation
3 X% v4 X2 t3 H+ `3 q! Z% T- W% zrand-dynamic
C7 f' A: Z7 I0 E; S" Q]
Z; U0 ]0 U C: @$ i, y A- U! s6 {: I" h4 t1 q
turtles-own[- ^5 \# b9 k, Z9 n5 p
trade-record-all/ ]$ ^. i# R/ {5 U' M& J: v
;;a list of lists,由trade-record-one组成) P$ K) c3 l# ~. c
trade-record-one
. R1 R, ]/ V( x9 U2 O/ [6 N;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录" C$ f3 k; b8 Y* ]' e6 Y
2 }, r i5 e, z, 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]]
6 g) ^9 }) E7 ~' k! K1 ]1 E. n0 Q- Vtrade-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]
4 e2 p, b$ U9 U, c& 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: M+ O( ~" U2 ~) ~5 ]( H
neighbor-total
7 y/ ?6 P7 K7 R;;记录该turtle的邻居节点的数目 ]4 P) {; f8 {4 e" q$ ~: D
trade-time+ K: `+ f' M% o) `% a
;;当前发生交易的turtle的交易时间
+ Q6 S) C) k* w3 m& h) O* yappraise-give
V* y0 Z' p" B;;当前发生交易时给出的评价4 o# W- N' X3 d/ l" e6 o
appraise-receive; v- S: _( b/ z% i
;;当前发生交易时收到的评价# x; B2 q5 s8 w& ]! E) _; u
appraise-time% d# Z% j2 t) j' W; ]
;;当前发生交易时的评价时间
7 j7 n/ _+ f$ L: [ ?& tlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉, ]$ I8 y0 J0 |
trade-times-total
& W7 u, |% L% K% `;;与当前turtle的交易总次数9 @3 J& {$ s& J" b" F- q9 R
trade-money-total6 b+ U [2 u0 U8 d* |$ h3 q
;;与当前turtle的交易总金额
% z- t/ M8 ?$ s6 {. j/ Slocal-reputation
+ i! P1 ^- l7 F3 N, |; D; Nglobal-reputation
- \5 i& \5 {2 _$ ncredibility/ j+ T! {) e5 e) p7 l9 d* h
;;评价可信度,每次交易后都需要更新. I( f; Y5 }) [5 n% _+ K7 z- a
credibility-all* g Y% Y9 y* ]8 q" X2 F2 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
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;;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0.53 Q% \ Z4 W7 ?3 X
credibility-one Q0 w" r6 Y1 M# E) y* u
;;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 L8 U) _( D: l5 P8 U( H
global-proportion3 D5 K5 w$ K% k0 m' x
customer @8 p5 v) A) y/ w' A) M3 |* a4 B, @$ \
customer-no+ Z" o+ G5 O: a4 i9 G
trust-ok
; C c2 U! J7 g+ j1 Ftrade-record-one-len;;trade-record-one的长度
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% u( Z! Y' j- u9 C
, m4 g2 T2 R% c+ ?( y) H+ T;;setup procedure
$ [9 X, n7 J$ S0 ~4 o! R+ n: G" K
. x+ x* r; R2 p0 ~+ Uto setup
+ M8 P3 o' a& Z' L) ^( J, `1 N( \
/ O e2 \7 \! W1 gca
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initialize-settings
a4 |3 L9 A- u! }
3 R1 r' }* V0 x3 }% i( Kcrt people [setup-turtles]
+ S7 y( ~, f$ E, v6 s' L
$ V8 R {+ L6 Nreset-timer
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poll-class' n- C& G3 [1 @: @% c7 T, f9 e
6 r' Y' e( u6 ]8 o+ q! U3 P- P4 R
setup-plots
$ q2 `' F/ }3 j# M! j% u! J/ t: s1 F
do-plots
& n( A- d w% z: U' Kend
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& k: h. l* z# k; ^" y) Cto initialize-settings
9 C9 O6 b% @! y) L3 \2 C- S
. n# @6 o1 ]+ q' oset global-reputation-list []3 q. o8 J5 l: l2 f3 \
' v# Y) B3 N% q2 a, `9 q" J$ Sset credibility-list n-values people [0.5]: u! E" N& b" G) Z
0 ]4 w" ~5 Z4 Hset honest-service 0. c# G; s `$ \2 S% g
( V0 c8 I k0 R X- \# T# Dset unhonest-service 0: c% T" K" R; x2 G! S5 K2 e
1 |! V5 u# D; f: [set oscillation 0
T/ D$ Y. `# n* a. Z2 Y) x' T9 I# U, K
set rand-dynamic 0
8 K. G6 c7 R0 A5 U8 kend
( U2 k' ^/ k7 l2 P! k$ b$ S3 c9 o8 E* ?! ?1 N d& M
to setup-turtles
Q3 o; ~" l# r- M( rset shape "person"
$ P# `" B C6 isetxy random-xcor random-ycor% Q) D0 H0 {/ ?3 V) Q+ y) L$ A+ a o
set trade-record-one []( P' |5 o. ?, @2 i) B
( X* x' W1 g( N8 Oset trade-record-all n-values people [(list (? + 1) 0 0)] K, q: U* U/ A7 c
2 i4 ]( ~+ m3 G9 L- [ qset trade-record-current []4 E' _+ w! d2 g4 ~) z2 B- x
set credibility-receive []
" p2 M% o- k. M! g) M0 Eset local-reputation 0.5
% J* N- _- E6 H2 T. sset neighbor-total 07 n9 A# f; e, N! T0 G m
set trade-times-total 0! w4 j; v! z2 l2 B. [0 N
set trade-money-total 0! D1 |3 M" N' C- L3 s m7 m/ W
set customer nobody) C4 f1 a+ k1 i" `0 [& j$ q
set credibility-all n-values people [creat-credibility]
, a+ R9 N6 q: d& \; o& d, `8 I2 m# ^set credibility n-values people [-1]
2 }4 F4 u$ M! s$ @* c, D1 `get-color% H+ ^) P4 h' q
% l1 K, f* U' \- U) oend
" M" V2 \; a1 d, N6 T; J0 G+ a6 F( R3 T% q& T& q. A
to-report creat-credibility. R q' N& L" V+ k% h
report n-values people [0.5]
. G; h p" O3 D; r' iend
7 K3 Z) H% `1 N8 P5 r5 v& w: a' h# S" g$ y6 [$ k# ^; b
to setup-plots
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set xmax 30* j( a; z; U2 D4 p5 W
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set ymax 1.0
" V1 S1 F/ `1 I$ ]
* v# L/ w: T1 @/ E9 _1 x7 rclear-all-plots6 c1 y* w; ^# t6 ?( N2 x
$ o. A2 o" u# j, i6 C1 ksetup-plot1/ p3 A1 e, M9 c0 }
% O$ X+ P; ^! n, Usetup-plot2
8 J) V: t* @* A% j* r) F
6 G2 B/ l3 O% @/ _4 z% hsetup-plot39 w8 h( _& ]1 b$ w7 F# W: E" `7 g
end1 h$ w2 x# C4 p; z% |! b
8 I6 a4 V3 m' `4 s' r# Z- F;;run time procedures3 J1 j/ i( g; o! H) M0 I1 E
; z0 p$ ^3 U% M) a0 Rto go" t# p+ l( h, U; Q4 d r
% Q! h% P# S9 C1 }ask turtles [do-business]
9 L* ]4 w F4 V+ u% Lend
$ n* _( ^& {6 }$ n2 y& [ E. i3 {5 ^+ R7 d8 z9 L3 N% {+ x6 p6 E6 a9 z
to do-business
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L: w. y. O+ T0 a0 ?4 G8 T: s- C$ {6 g+ j$ f) N6 `+ E& v. O }6 u: l
rt random 360% v9 r- X& `8 \- R3 P
+ G) W; P) A3 i qfd 1
/ y2 \# X* i; U- S% K2 a9 e0 p6 N T4 l7 i( y% j, d8 m: E8 ~
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here4 H; x8 u9 V; ~; p% N& g* g/ W; ^
) a Y* `$ |( p4 `' Z
;; set [customer] of customer myself9 q' [- T/ s; y. f
- m$ |2 q0 ^5 m$ r, K# A8 W
set [trade-record-one] of self item (([who] of customer) - 1)
0 L/ Q( S6 @4 W/ x- U[trade-record-all]of self, r( J7 U/ o4 T2 f! ~% ?
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self- X C6 K' G. ]
: Y' a* ]0 E9 C- kset [trade-record-one] of customer item (([who] of self) - 1)7 U( J* b, m1 k* A7 y2 B
[trade-record-all]of customer' m" _5 ?, h$ _* q
6 M0 X/ Y# G9 o( @% T7 {0 R
set [trade-record-one-len] of self length [trade-record-one] of self6 N: x+ C5 a. U. S1 \+ y
- ?+ x9 z% ?, ?1 {- qset trade-record-current( list (timer) (random money-upper-limit))9 y) x' g; }3 C9 F6 z( r1 G# y' o( i* ^
. S0 W2 n- ~, N) y' j+ Y. oask self [do-trust]% Z; O$ O9 v" c6 H8 z
;;先求i对j的信任度
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( |2 j% |& }% N* q1 \- W) Iif ([trust-ok] of self)
1 O( Y, N: s; S& D5 ?6 G;;根据i对j的信任度来决定是否与j进行交易[
1 |; L3 Z+ \9 ~5 t/ ~; q0 c1 B: Iask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
) ^" O4 o8 y: f9 ]8 r! C+ u$ z6 w6 h2 I( }8 f2 p' ^0 r
[
. _2 Y* ~1 f8 r6 ]; p! W3 G# b* }: @7 }
do-trade5 Z& O% V3 W4 C
9 s; R. |8 m" pupdate-credibility-ijl% z4 C8 G2 n# v1 ~3 U% @
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update-credibility-list
( e1 n% A7 O: T( {- A5 T( Z0 U# [. r% b7 Y# ~& ^
& Q* l w W6 I6 O* g1 R! d; Z$ U, {
update-global-reputation-list
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: H0 t0 }9 {$ }. U7 V, k! Z/ tpoll-class% O- s5 A9 A; w% A6 ^' N/ a# V
; ~7 E3 x L& r+ U' Hget-color
0 E2 ]$ W+ J4 ?& X/ V: x: N ^3 g- t [, v( y# ^4 M
]]
6 X- |3 j, t: I) i. V* Z) m+ C4 v/ W2 j% Y2 U% y
;;如果所得的信任度满足条件,则进行交易6 |/ ?7 R- p- L6 A4 S" E; N @
' I: q$ e7 M0 m9 M[9 b/ ]+ w7 `! h* q- p+ V
* E. \# d8 P- frt random 360
0 b2 e! r0 Z8 ?4 x2 ~) X; ]2 \( d' M6 v$ |" C
fd 1
! A$ Y$ `0 y7 S) @; g( g% W6 L) \; d3 v" S/ J# \8 o0 s9 e: p
]8 A( y- t/ F/ l% X
! a" d$ M0 k5 [# Rend
: ^9 F6 l- f2 `0 ?& F- _0 \, j7 U- |# `, n! B, g& U' b
to do-trust
: X; l) t7 I+ F9 F& V5 N' rset trust-ok False
! _, ]4 R6 M B; g& g
# X: c% G& ]' y! ~" v# P. p3 q, a K9 H! a! }
let max-trade-times 0
: `0 Y! Z9 E# t1 lforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
$ A; i6 w& M& o& O( k8 I0 _let max-trade-money 0
! E5 s# K+ p/ R0 Xforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
' z% ]& c( w2 g& Q0 R* n8 Glet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
* Q. m' ?- Q' n( |; B# t
- P1 |& }* L# Z" U* k! V8 `7 {- Q% Y% ]4 I N
get-global-proportion
! M- X5 y% H3 T6 U0 k5 ]let trust-value9 ~5 S' k9 t( h* H* S
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)
3 D! P9 {) r6 G- U2 J+ k9 F; w: Tif(trust-value > trade-trust-value). G4 p9 M, j1 z
[set trust-ok true]
, K# m; G( g4 l8 ?# F4 z7 v1 Q% qend
$ }9 l7 K: u* K2 ]+ W1 a# n& q. E+ Y; G
to get-global-proportion
2 \! C% L; U9 `/ Fifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3), X& @! V2 W8 M' z( E' F& \1 O
[set global-proportion 0]0 T. w9 j F& f; P9 ~6 K+ e& B( e
[let i 02 r+ [9 S) |" F- q1 j1 @0 ]# \
let sum-money 08 I ~1 [ q8 G, ?* l
while[ i < people]3 z* ^$ o% F9 V
[
& Z7 t) B2 [/ b4 u, tif( length (item i
# K4 ]3 T0 P5 S+ S9 l, S9 i4 e[trade-record-all] of customer) > 3 )) f. `% _( W" u* x
[2 ~4 f" \- A3 x) H* a: K6 D; z% {& F
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
, o+ o; X" g0 ^! }]
* r% f, f/ n! o% z) \, B5 T7 p& Q]
5 a) B6 E% d0 S# [6 slet j 0: W! R$ x/ L6 o0 d1 E/ ?4 I
let note 0! V ^/ @& T0 L; ~
while[ j < people], q; K4 \' X* E' y2 F
[9 @, R0 d4 k+ M7 @2 ]. i
if( length (item i" w( N; h' u) i) e y y' d
[trade-record-all] of customer) > 3 )4 a( V4 W q0 c: S% T& O6 N
[9 G; r# r G& S( z K
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
! ~, o. L- t+ k- u6 K# s. s5 a[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
( z1 `& g' _ B: ]: x A[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]3 R% `: Z7 L" L+ j0 x7 @% H( `
]) g& e8 J% G) I) B/ S1 H
]% N1 `) V% z0 E, G0 v$ F( ~6 T
set global-proportion note7 r2 v- @2 F/ {$ [: L- C. [5 ^$ Q
]" r6 Q* d% J( h4 A4 l1 G
end
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to do-trade
H3 q3 q) L8 P$ v;;这个过程实际上是给双方作出评价的过程- h) s5 R! |1 n. g( C
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
0 c n- C4 o, d; cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价1 E( m$ f1 _0 c" g
set trade-record-current lput(timer) trade-record-current8 O8 J | l4 z+ u$ k: v) u
;;评价时间5 c' S9 T8 i" @, s7 p! N
ask myself [& s" O* ?' d/ p* z' X4 Y
update-local-reputation2 `, M( D8 V/ j6 c# X
set trade-record-current lput([local-reputation] of myself) trade-record-current
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set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself$ o Y, I7 E! s: k
;;将此次交易的记录加入到trade-record-one中
) W0 b/ V6 P0 E* v! t! Z. W* Uset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
; N4 s& A. l6 N5 w Z2 L/ i1 c" [3 Flet note (item 2 trade-record-current )
; i/ i& ?) ?% k+ I- {: @5 U r% Hset trade-record-current
* J3 p) _( {' q4 o1 O# S(replace-item 2 trade-record-current (item 3 trade-record-current))
$ Z% t5 [0 B6 z' T: h7 _' oset trade-record-current
3 {9 M8 ~$ K( t; S5 v8 z3 Y& s(replace-item 3 trade-record-current note)4 H2 G+ ?% v2 H/ m! {4 q, s
0 v% n! `& u- M/ s
& K+ s; _ j2 Z$ Rask customer [
p, N' _# p9 o, @1 |) v, w' ]8 jupdate-local-reputation, E! \' j& W3 \4 F- C h2 d I- f+ ^5 t
set trade-record-current0 L( G$ E, X4 l. r
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ; L; k+ {/ E* N: ]
]# m; }* U6 s# L# g6 |, b$ J
% } U3 a7 T3 Q) V4 B
: k3 \9 T6 J3 D# o$ g; B' r
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer- E( V2 I" F& \& `- t) R
: W/ J! Z; m* ~% c J' q
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))! @( L& D b, s
;;将此次交易的记录加入到customer的trade-record-all中7 Z' X0 f8 o2 h$ R4 a$ m
end# J( ? h% Z! k) R1 w+ E
" k( G! J; x' j- _to update-local-reputation3 G$ d. a+ |0 d+ n
set [trade-record-one-len] of myself length [trade-record-one] of myself
* [$ b' E r( _9 g/ R
9 H1 \. B/ b5 i% c k7 d8 x" F5 D
$ r6 [+ j! y& B/ Y, e% i0 L;;if [trade-record-one-len] of myself > 3 * K* i/ X4 u. { }7 T5 Q0 b8 _7 [; P
update-neighbor-total* V' n/ Z: T& M
;;更新邻居节点的数目,在此进行' G w; i% m& w" y
let i 38 ?9 X- d8 f' P3 r4 d
let sum-time 0
; [) ~9 O0 I& nwhile[i < [trade-record-one-len] of myself]. a' X& `4 I9 s9 V
[
4 g {5 @! B: n. ?, kset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
( @4 Z: M% G: u4 g5 oset i" u8 |* c1 S" d/ U' ?
( i + 1)0 c# |+ Y* S- I5 s
]+ ^/ ?4 `3 R2 x" W
let j 3$ W) K7 g' p5 `( a" l% t
let sum-money 0% L4 [: @: q A1 Z E8 V
while[j < [trade-record-one-len] of myself]
1 H( x; o$ s3 z' Z# A- U0 i4 t[
) M9 `6 w% H6 y: C$ m4 wset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time). t: w% \. A7 O' J2 l& J+ x
set j
' o/ [" R6 c" ^, @1 g$ l5 k( j + 1); r! p% U% j/ @2 _$ X5 k' q6 K" @
]
+ q3 M4 K9 t% Wlet k 3& ?# r6 D8 r c; y( x2 `- L" g
let power 0
& ^% [6 [2 z. s/ r0 q* w+ Slet local 0
) @' C! H) y, n% k( \4 iwhile [k <[trade-record-one-len] of myself]
, b& h1 s" I4 ^1 \; @3 S[
' L9 B7 } X; @7 Q Z: c* uset 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 W, @! E6 D- P8 B
set k (k + 1)
7 t! j* l' G4 w8 _- J" r# R]! O& [: c- R) M- w& p) W: I2 t
set [local-reputation] of myself (local)5 o2 s0 h0 W$ x! q8 V+ U
end3 F3 y T8 H/ J7 x; s: Q/ i7 }
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to update-neighbor-total
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7 z# O' q: N2 _/ Tif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
. o$ `0 @$ k/ A, h
3 C; L! M& U! U6 W' X3 R. ` X. \) `' P. @' W5 ]$ x
end9 T8 q, |8 }' O' {2 J8 \
! h& Y# ^7 L% T, N$ C' _2 l
to update-credibility-ijl * |, _) N) L! Z( q& x2 @
i1 d. r6 j- ]% D# E2 c: 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。
' f& c$ T1 W. A/ w, Clet l 08 V/ ^+ m. r! F2 W; O$ _
while[ l < people ]
, V6 }5 o3 R' 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; B ]3 U) F' {; u; k E
[
4 X ]& |. t/ I; P( hlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
: s) h7 E, E8 u ]2 Q8 @if (trade-record-one-j-l-len > 3): P# u; B4 ?5 @* e$ B! G
[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
# }2 w4 M& q. s: x% U+ A5 I* dlet i 3
0 f8 v; C& p- _8 [4 D! [" qlet sum-time 0
+ R; v5 m, o* _! X1 X/ X( x: p3 b/ ~while[i < trade-record-one-len]- T b9 Z' g" G5 Y+ Z5 Q( [
[
; z- J/ {* p3 u0 \1 Qset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )9 X6 E- ?/ A) Z& O( ~
set i& i1 G' v; b% F T" }! \
( i + 1)
5 `- ] e+ r7 n, B o, H]: @, @" A, K0 a$ H, K: s
let credibility-i-j-l 0& \3 n. b6 o8 d# i
;;i评价(j对jl的评价)
* t5 \ i: ^* @2 o. nlet j 30 C$ o5 R, l3 R. D: ~& |& C/ C; n
let k 41 `1 R* x; a9 N) h" X
while[j < trade-record-one-len]
6 B7 y6 s( r1 F3 b' s$ @- G[1 E1 `1 }9 F0 i: I6 W3 K# ~
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0 p8 J" _/ v: G! |/ h: b7 n
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)- o/ q* j$ M' ^3 O; y# n
set j" [) n+ Y8 x% b F% Z
( j + 1) S# I0 i. E) M
]4 Q, z- `2 j0 x& L# Y6 M, x! |$ }
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 ))8 ]' o7 x+ Y& \, i3 y6 K( W& r* d
' k) R' t+ k; C6 }
- c& N1 n8 o3 p, z7 \- c# V" K Zlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)); x8 P& W7 m+ ~) y- `
;;及时更新i对l的评价质量的评价
1 h% U/ \/ @- ]8 ]set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
. y, ^9 e0 \" }, @# P) Yset l (l + 1)
( o5 f m7 E3 `3 \; L4 W' g7 P]+ W! i \- i3 F: R4 E7 x9 {
end
/ ~( H1 o, h& v
0 s. t. X* }) t: T& lto update-credibility-list$ C0 _/ @1 j# C3 ^. Q% C2 `2 L
let i 0
# W; `- u/ A& G& |7 awhile[i < people]
7 [8 e( _! k& D[
+ n# ]1 p2 u7 ?" }+ ~let j 04 `! ?9 {! X& x4 s: B0 ~; x
let note 0
1 g% y* T# H. h: w& J/ m% e8 \" ~let k 06 I/ z. O# {3 m7 \2 [! M
;;计作出过评价的邻居节点的数目
9 d* N1 k: v6 g5 Z& z! t4 v9 ywhile[j < people]0 F1 N% G: i% _' r+ \9 W* I& N
[6 l0 R' G+ W/ V8 n. D* x) \
if (item j( [credibility] of turtle (i + 1)) != -1)
: A- |5 @' ?( g" |4 {1 D+ v;;判断是否给本turtle的评价质量做出过评价的节点+ M ]* m: `$ D6 z5 M
[set note (note + item j ([credibility]of turtle (i + 1)))4 i) ]/ {* s( \! r+ a' l2 Z
;;*(exp (-(people - 2)))/(people - 2))]8 K( g6 r8 g: u8 |! c
set k (k + 1)
2 g' d* {( y) |- R0 G]
$ A1 e- w* x+ L6 Dset j (j + 1)
* d9 a" \$ n( @/ O]
, d/ m1 c8 C2 m* Nset note (note *(exp (- (1 / k)))/ k)
u9 |8 R+ w' ^( G7 ~- f0 L4 ^set credibility-list (replace-item i credibility-list note)
. ]3 }, I$ q; X$ O+ p& Hset i (i + 1)
' x6 t8 ]- z4 q* p] v" L& N s3 B- a6 H# a
end
! E$ }" W( \. i% x* `- J
% r+ J! `0 I$ ]* S* @9 q. N* G, I4 Uto update-global-reputation-list
% r* f( @8 a4 o6 D1 \+ x, G @6 Xlet j 0
3 ~9 d" \; d6 ]9 P* R9 v& [" lwhile[j < people]. h+ `) ]: ^" r5 q2 @; X5 I1 A5 y
[* K8 B X# t) k/ T# C
let new 0
# o* v; X! j+ h3 Q7 ];;暂存新的一个全局声誉" ~, t/ I9 ] ?/ Q3 i# p
let i 0
; m3 w ^* r0 Q1 J: V! b# @8 y+ rlet sum-money 0
8 r# r, E5 N- M$ ^$ c$ |' Olet credibility-money 0
" J4 y( J. j5 g! R: K* N4 ]while [i < people]
6 l# s7 j2 |) m4 U1 _[
( i* k7 g4 X m5 g; _set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))5 k+ J$ g; y; o2 j5 G. C h
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
n5 a; u$ z" ^set i (i + 1)
! U9 V4 F3 C t]
" {9 J+ r/ \: p* B5 j1 @6 ~: olet k 07 G+ J& B& R! c! x/ _+ i2 B# _
let new1 0& W+ @3 F3 E7 l
while [k < people]9 g2 x" i; b5 ~% o* c, _
[
, Q7 T: ^8 S5 U8 x" \5 N1 x( s: cset 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)* ^' L- Q" j4 j, l
set k (k + 1)
6 z/ D0 @: b" F" n, g]5 P- |+ |7 [, W" j5 \
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) % R' U4 W; o& l& h9 ~, X' J
set global-reputation-list (replace-item j global-reputation-list new)
5 s7 V3 z$ g* A% f7 l$ h/ R/ yset j (j + 1)! ]$ N9 {4 d+ j+ L# f0 x4 P
]
% x, m" l) P) {1 ~/ Xend
+ p- i( G. `, P) |) t+ r; }3 x' R7 {9 l6 W
- c5 C9 p! o% S$ {; Q1 C) G# h% ?- |$ c2 K, `- P
to get-color3 G+ A4 Z. J6 h% q' d. K
7 Y% a6 s' [, ^6 U6 p/ j3 u0 ]% G2 P
set color blue# P8 A2 y' n* |% c
end& a6 V7 H% X4 b. U& R
& c! [1 T/ F8 E* w
to poll-class6 U( C; I+ ]! a# V2 ]( h
end
0 Z ^ u: p" K5 `% k" \% I/ B2 H, H6 h6 L0 b; o4 h% w! X
to setup-plot1* a) Z: r) }0 S. q; a8 K) E
/ j: d% _9 s" c6 \2 O2 m& A
set-current-plot "Trends-of-Local-reputation"9 \; [( t* P p' C
7 R1 j! ~# H- M8 p( H6 P2 o7 Rset-plot-x-range 0 xmax: p) L- W. A! x5 g
* i1 z8 {# {9 j
set-plot-y-range 0.0 ymax: R( E: w1 s1 h, K% e
end# b7 I( u5 ~0 y! |# E a. L- e% p
2 {4 g1 e! r2 ^# R, B) u, f2 K. o
to setup-plot2* {( D/ x/ U! j p
3 U; z9 ? r3 |0 Y8 @" O7 L/ H+ M
set-current-plot "Trends-of-global-reputation"
2 y1 D2 Q3 L+ T6 i+ P
9 \, ^3 E* y% \: D1 }. M) o. z: M& zset-plot-x-range 0 xmax
5 ^! }% c7 n3 @. i* D" f9 d% g# a! L' V7 P
set-plot-y-range 0.0 ymax
4 u9 @- y- s6 b9 V' P8 G! Eend0 v& Z* d6 `; j }
2 G& k1 X3 Y3 C$ E5 Ito setup-plot3( e+ w m7 k, K
7 k; O3 r- @' [9 dset-current-plot "Trends-of-credibility"
( P( m+ S# y/ V. o5 o
) P3 n5 ~4 i$ B' Qset-plot-x-range 0 xmax
9 [, i3 { L" ]% ^! [$ T; P% y# X+ ^
set-plot-y-range 0.0 ymax
& U( v" F8 ~ j! |end
! F: G' Y. ^9 s$ i! R/ _
( ]) c9 b! r- ]9 z9 F2 z: l& `6 v/ ato do-plots9 u X4 w/ |* B" I
set-current-plot "Trends-of-Local-reputation"
6 U" ]" V# k3 ?2 L) e7 Y4 r$ Yset-current-plot-pen "Honest service"
y& a0 U+ |: R- K5 H2 jend
3 q) a; |! z% h4 B
3 S# ^! v8 C% R* J& r6 k' u[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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