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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, ~! k0 X# {4 T- m2 m- m
globals[% x" ]* \% G" V1 O$ p$ C' G
xmax
( I! [- a; _6 V5 ]1 Lymax
* z4 w6 _1 _4 q, m. sglobal-reputation-list
9 K) ~: o$ ?1 W9 W
# `! A( @, t" X; p, ^) {6 w;;每一个turtle的全局声誉都存在此LIST中* b9 p% k- ]1 f
credibility-list$ P" l- O% K. e V
;;每一个turtle的评价可信度
! u- i# W+ N$ Z n1 F* v- R( Dhonest-service
( ^( N. R/ ^! ~unhonest-service3 H7 u: H* n- M! Z
oscillation
# k7 U1 H( ~( ?; T* A$ Drand-dynamic
- G: Y$ H+ R$ P0 p* U0 U: p2 H]
0 V# y: g) Y" h5 l! @# v9 I4 ]: R
6 K) Q* S% Z( r6 Gturtles-own[( B* `( z0 M% k e0 j6 N. |
trade-record-all( I( R E' N9 g! h% I4 |, }
;;a list of lists,由trade-record-one组成7 R) q1 q' {. U$ p4 R
trade-record-one% ^ r, L# U6 a2 e
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录% X4 b, |. D; g" h
; d3 F0 Z/ K3 ~
;;[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]]5 O) T, p5 {7 \( I! G* G& w7 o1 J& j
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]* B8 O+ ~( s/ M" F, 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
! r k8 y7 j( C9 z% q. B# `neighbor-total7 x+ N" G$ L4 g0 j
;;记录该turtle的邻居节点的数目
2 g; D$ s: v1 U# S4 ~trade-time
( @' A. r$ z6 M;;当前发生交易的turtle的交易时间! L9 Z! i: }. V: ?
appraise-give) y* F; i- x1 ^4 r
;;当前发生交易时给出的评价" U, W% W# I# H! V7 x8 F R
appraise-receive+ O2 p* n1 l/ F# m
;;当前发生交易时收到的评价
0 U( a- T. u- s7 [appraise-time/ I5 Z, c5 G- N" J2 Q) I
;;当前发生交易时的评价时间
* n, c4 C6 i! ~' t. B/ e1 Ilocal-reputation-now;;此次交易后相对于对方turtle的局部声誉3 o- P% n8 A) R3 _- @. p& D
trade-times-total- y" v6 u* V: Y* `6 j/ s' i1 m2 C
;;与当前turtle的交易总次数6 K9 O! f1 F& e
trade-money-total
6 X0 o& z _' ^9 O0 c6 M# b4 P;;与当前turtle的交易总金额" w9 m9 `5 w. X- T* f6 _, D
local-reputation8 Q! E2 Q2 q% w
global-reputation
3 q! ~, r8 k7 _! t: J6 [credibility
5 h0 v, p: e2 [9 z;;评价可信度,每次交易后都需要更新
3 k0 x* [; i: Q2 D$ Rcredibility-all
% {4 s7 Z% i2 e/ p7 E;;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! ?* w; F( a9 ^0 c2 j
& Z( Y' z+ E- 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
/ U5 F4 m. l# K7 _( ecredibility-one3 f, e# Z+ I, s( Z, I2 }
;;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
. p9 ]5 T5 o3 E) W5 Bglobal-proportion2 T) {; w9 l2 x0 i2 G0 r
customer
. o) n! H. q; t N) M( {' `customer-no
. i) w5 k* H$ l. Rtrust-ok
9 F: l+ Q: r) T f2 }' O3 l% T6 |trade-record-one-len;;trade-record-one的长度3 K1 ^; y+ G9 P$ @
]
7 g3 }8 E2 ]- S" V# {3 P
- ? M; z! I" V;;setup procedure/ V" \* m* X0 E8 U) i h
/ M/ V0 C; D. i6 ]+ x3 Kto setup( C/ `- v! L! L$ A+ o I
2 p% _( `, b8 W( P1 z7 a+ V
ca
, y9 p2 _( s+ t0 s; d
; ]7 r* B2 M+ D4 d3 q1 Y/ \initialize-settings
7 r* B' M9 q) b L+ M: w4 s5 e$ ]7 q" X, o) o5 g; A
crt people [setup-turtles]% h- O2 _4 i5 X0 h
$ O" p0 S; D0 z8 Y- [5 xreset-timer
% B0 ?! A" p% o# g {( L- u7 B* N% X1 Z( ^
poll-class) ^: i" l0 X5 B% q# M5 G
- A; b$ {, e' v# msetup-plots/ o8 ^+ S1 C& p0 X. V/ r7 e% Z
4 r- S3 q, M' r0 W9 Q0 t
do-plots' y) J* b6 k! v. w0 K9 d4 f
end
* A# t4 k+ N! t7 @3 U1 J& c* L0 x+ i% ?2 a) T
to initialize-settings4 P0 h" \# i2 ?3 D! k( w
3 Q/ c; ` ]) e5 \+ ~9 Wset global-reputation-list []7 G& ~' N' _- W
& ~, g7 x K6 I7 q0 {! w7 l# iset credibility-list n-values people [0.5]
' } [( q* E$ \
6 H {" H- e* o2 k' ^set honest-service 0
! B; x% \! f9 r! t: s
/ p: p" X$ X1 C( Hset unhonest-service 0
+ c/ H3 S9 _( f/ Y: P
8 w m. V) a( z2 ]- t4 pset oscillation 0
6 \6 W) k q" H
% P0 u2 F4 c& m( N( O5 \& H3 f- Zset rand-dynamic 0
% @! U5 r9 T( ]9 l& Pend( j: R: I& P- z% D5 b/ A% J
- _1 j4 N6 p8 {8 Y b9 r/ ]to setup-turtles # u A1 Q" P! s3 W; f- G7 p1 l
set shape "person"
8 _6 \* C- ~3 e1 e tsetxy random-xcor random-ycor% U, V( c: u* C/ b6 E* K, h
set trade-record-one []
5 x! [4 x7 U) R/ i& t8 M; K A" `$ C0 b- W I* O6 D% t* h# \: c
set trade-record-all n-values people [(list (? + 1) 0 0)]
& G2 S$ m; J4 e, v( }: ?; C) y
7 o- |, N- z" E, X6 R0 pset trade-record-current []
5 H f! c! \: N4 o+ o; T2 xset credibility-receive []9 X8 @7 i9 G# L! L7 T+ m
set local-reputation 0.5
3 x5 i7 Q8 ^6 R0 b; Wset neighbor-total 0
4 @8 S( a: q( P5 c# j+ X: C3 ?# k$ ~set trade-times-total 0
, s; }/ |- D) f: Z) `9 Sset trade-money-total 03 z1 {3 [2 H9 W. x5 R* G) Y
set customer nobody
2 r" q/ k4 p7 o k, L% P! C8 Q, Iset credibility-all n-values people [creat-credibility]
# I, P2 j6 p* O: ?& K, z% |: k4 zset credibility n-values people [-1]
: w5 N/ A( A3 P8 rget-color
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end, Y! v1 G, ^/ y& h; e0 ^* W
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to-report creat-credibility
$ g. s, M* @( O* x$ ^report n-values people [0.5]# V. O2 n4 G) D; i/ o
end
- W$ f! b, W" C8 l
* B- |7 J; d- H) g# B- Pto setup-plots
! ^# v/ R! v0 p1 p# c1 ]
) B- V6 k! ~. @set xmax 30# X+ i5 \9 A% d+ y7 m
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set ymax 1.0
4 [) [% y3 e6 u3 L+ G
* _) b# g( j Z3 S& b: tclear-all-plots! }" ^' ^& E+ w
3 z( \: x- G/ rsetup-plot14 F- q5 p8 k" i5 y3 V' @
* |, ?" i- r- \6 l; q& h1 Csetup-plot29 }( g! C5 w: A- \* i
8 R. C q& S& b$ csetup-plot3
5 j* l: [$ Z/ A4 e2 bend
# O( ]0 I% k1 P p) B4 m; v4 B' m
;;run time procedures
$ e1 y1 D: p, I& D. M7 X
! [2 V2 Q. G9 J2 X3 X5 [) _to go
5 ~# r+ A' }$ v# K7 M- M! q5 `& b9 H# B' {' k
ask turtles [do-business]
, R! r& x/ R' R5 D( Vend& i& N% g# x' g: l6 E+ l5 w$ \
- o+ \% q' M) J( [' J% {& O" D
to do-business - A% i5 D Y3 P1 j5 m) {9 e
2 V" K4 _0 K. N9 O( d) v& b) Y7 S
rt random 360( l( H9 g0 g0 y9 [; U1 ?3 i; x
: q, L% y9 n* [0 e1 q
fd 1/ J( C- `/ y1 A2 o6 n: q" ]6 {
3 V3 [# ^( v9 g; |6 a, J
ifelse(other turtles-here != nobody)[# R! E- B: M+ J- {+ E% r3 V
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set customer one-of other turtles-here5 f% [, Z9 t$ T3 O: y8 y! J
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;; set [customer] of customer myself, W' U; D* R0 K( `1 J
* d7 `/ Y8 D, ^& P2 ^0 i
set [trade-record-one] of self item (([who] of customer) - 1)3 ^4 v# _3 H/ x' W- G- R+ t) H
[trade-record-all]of self+ m( i0 T* q: c" n) v" Z
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self( y& q+ P" f8 Q4 b$ x$ O1 b9 _
# j, u9 w; h$ G* x$ a5 y* w8 k
set [trade-record-one] of customer item (([who] of self) - 1)
, y* x$ {* ~! e' ]+ L[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self
" y- Z0 S7 E( p$ g4 F( p$ T
' y% S# ~/ {. p# @% ?set trade-record-current( list (timer) (random money-upper-limit))
0 w. {+ B# a, u' V+ x8 s, ]
S. M4 S, E) A% e2 r: m! H! cask self [do-trust]) W/ e9 o% N7 J0 Q6 N w
;;先求i对j的信任度6 w! _3 K' Z' z$ Q- C' a$ [
9 _" Z1 R# o0 V5 e2 U
if ([trust-ok] of self)
$ Q: ~2 I% o/ G1 e8 b/ o. K;;根据i对j的信任度来决定是否与j进行交易[/ B3 p0 |, ?6 ^# N
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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! }8 |* M/ W5 j$ ?[
0 ^3 o$ k4 e: G; u- H* p) \9 `! w# k6 r0 S8 F$ P
do-trade! L) c" X) p" S6 T# R. _! q2 W
. a. d: b3 I3 r
update-credibility-ijl+ g0 B0 |9 L" I5 S$ K5 \1 a
3 R8 ^- _( X3 H* v5 A5 X* Fupdate-credibility-list9 |" Q& e* J: t. t
% m6 H: ~0 @* B0 O! X
$ ]' n5 i9 Q4 I# C" _) L4 N0 Pupdate-global-reputation-list
0 r m' v% Q( o. ~' y: a
2 D" v4 J3 x0 c" [poll-class
: d$ g6 c+ F; O" a2 |+ Q% [/ _3 m, O
get-color# {* J1 D, {- ]2 w% `- ~
% v- D/ c% G. ~3 m. F]]
E0 d* }. S/ b5 q4 _8 P
! c; U- B6 c% ^- l% \! i P;;如果所得的信任度满足条件,则进行交易
+ X0 b6 u, I7 B/ C- f0 f4 @) J' P- J& T2 r
[
9 ^) t5 B$ W+ l' ]) K* B; H9 I5 S. f: S
rt random 360, s' h' v5 q. ^. W" t
1 @1 I# h9 p Y' ifd 1
9 Q1 h' y: R ?
2 q( q J1 F! w: |1 D- A3 o! X]5 |6 M" z3 k4 z
0 S' m! P4 H) W# }end, y2 H; {! s$ F C% o
( H: u+ K. H2 z3 a& y* ]
to do-trust
) w. r! E" F2 w$ u# H7 Iset trust-ok False' }, A, x& D Y. \# D* J. _; p" ?
3 ]) {* s! }; W$ Z/ s3 c1 [3 B+ T* l
let max-trade-times 08 |6 `# d2 ?. C1 g0 F9 D
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
$ E! b( m1 c$ V. c8 x8 _let max-trade-money 0& r# J' C' U) m1 V' J
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]; y$ m+ b7 R) x L
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))( a! Z* O( g+ x/ q& P
, n! G/ F2 C# {/ x4 t9 m- J0 { C" {- n
get-global-proportion* P5 c( K+ L/ U/ q) u g
let trust-value: M& ` Z9 S' S& [) X
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)
2 C0 P9 w: v' ?- K# a3 ~if(trust-value > trade-trust-value)
0 j" p8 |2 ~( C4 u[set trust-ok true]. D% P0 j; U( O" _+ b
end
; O6 h* t% H+ Q3 q
& w d8 Y/ G v0 P/ J) @: w1 ?to get-global-proportion! N) F+ g# U0 p8 S: X$ }0 j$ K
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. _4 l9 E6 w' W1 ^7 c4 Z( x[set global-proportion 0]
* E- ~9 U3 r2 a+ v4 w[let i 0
* E% w( W' f$ p; A, P4 [4 alet sum-money 0% t% b2 ]& R& v4 J6 ^
while[ i < people]* M4 b& E4 m7 I1 Z2 o
[5 h# k) n. @) Q# b, r# g
if( length (item i
) ^% j( D& }# `, F3 m. S" @[trade-record-all] of customer) > 3 )+ J; B+ i! N2 R% L5 u
[
) m6 m1 s$ e1 s4 Q* A* F6 O1 z. Rset sum-money (sum-money + item 2(item i [trade-record-all] of myself))1 h8 a; u/ [' p0 L5 d1 g- E3 O
]
' A& F" d9 P, k k+ t* C]! ?5 v H: N8 S/ R& Z
let j 0" i' u9 @% R- h" {& H8 f) R
let note 01 A" m- [& E( @7 J2 L8 N( P
while[ j < people]
9 d) F7 _0 w4 W7 v[; U% I1 I& U' v1 g2 T
if( length (item i6 {9 ?! [+ v1 ]
[trade-record-all] of customer) > 3 )
: F6 D( p; Q/ @7 w! h1 W4 c$ d2 O$ n[
# v+ n P* F# k0 Uifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
1 g) ?, z: u8 Y# W1 j Y7 u: \6 g[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
1 c, ^. [, G& b[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] |4 o8 U* y* q( I6 }( _3 o, `' Z
]6 \9 S, u& {: g+ ?
]
a0 [; \! G- M p) E$ \set global-proportion note; D" v* {6 ?, o( K3 p2 X3 o+ X f( }
]
+ U/ G, x! m& ?8 z+ xend
$ m! ^2 t% C) |' s; `( _2 [" _1 q6 |0 [$ N" D; c% f& H" Z+ v
to do-trade) K- M3 N, O. }3 G2 ~# S/ f4 C1 _
;;这个过程实际上是给双方作出评价的过程# `. G# W, @# I/ W) _
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
. h$ @/ m3 |3 X8 z$ d9 e* }8 ~, |set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
+ e! v* \- G; W$ ^set trade-record-current lput(timer) trade-record-current1 ^$ Q& t0 b$ H/ [1 ?, v9 G ~
;;评价时间
4 Z4 z0 b( R" Y' o# V+ N6 S, Bask myself [
+ L0 _. |6 B5 Bupdate-local-reputation
. a( Y& j# _5 O( eset trade-record-current lput([local-reputation] of myself) trade-record-current6 S% }4 |/ w5 C5 r& I. E. I: H
]
, r0 O A Q# L; P: wset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself' q# L- j) w% n, U N& a
;;将此次交易的记录加入到trade-record-one中
' f5 U7 B2 k4 T/ m* kset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)/ t1 e; H9 l) m2 d* x
let note (item 2 trade-record-current )
1 l* f; Q" v1 ]* t2 u+ L# iset trade-record-current
9 B4 H; L4 W f(replace-item 2 trade-record-current (item 3 trade-record-current))# P3 u6 r! O1 C
set trade-record-current7 y z; w+ o. S# e+ G: Z
(replace-item 3 trade-record-current note)
+ G7 W" V; c: [; u7 T3 O
1 h: }7 ]" V6 [, ~
/ `- G1 O' Q6 T7 w8 I. Uask customer [
2 y. a( K/ o- O- }3 Yupdate-local-reputation
* z8 @$ V, B/ q5 l# d' i' Iset trade-record-current; E2 ]4 U7 `$ l
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
. K' m$ N5 x' ^7 f4 W/ A# W], C2 w9 ^* Q1 ]3 m7 I# m2 M
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer' |6 h" Z" }0 |6 p
]4 K6 Q6 C8 M5 b
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))) h5 n7 c4 n1 M0 r9 J
;;将此次交易的记录加入到customer的trade-record-all中
9 x7 G, E: m! G# u% V' p3 t, t. E2 \end/ Q1 ^+ U5 }/ T' C% A6 L
+ O w0 V7 }6 `' c7 oto update-local-reputation6 u+ R4 C9 j/ B8 }7 C7 _
set [trade-record-one-len] of myself length [trade-record-one] of myself
" C* [4 [ k9 P- x( ~' V' u
# \/ T& F% e" O( u. Z; e
4 h7 v* H' L; S9 Z( j4 [9 X- `;;if [trade-record-one-len] of myself > 3 2 `% w9 ] {- L( Q6 y
update-neighbor-total
9 C# D+ U4 g+ `7 I: p;;更新邻居节点的数目,在此进行9 h; ~2 @5 J! r3 o: S! u: i2 ^
let i 3
$ j, Y1 X# y0 Zlet sum-time 03 R" J6 V# u w7 k8 R! @
while[i < [trade-record-one-len] of myself], C% \3 {" W7 z
[
) i' n* o" e3 }$ X7 {set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
2 q# u" Q- i! B; [5 u. c0 [" aset i
9 x9 @ O; y6 _: C$ ]( i + 1)% N, A6 e. N- x- U( N
]
; T# c* j" d) g2 slet j 30 s' r; @0 |% Q! x
let sum-money 0
, j( j1 i. D6 k& |while[j < [trade-record-one-len] of myself]' ~1 ?: u: ~% v0 b7 a
[
5 }4 u1 y4 Y' L# U+ U' G% R; eset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)3 o- U2 n5 I1 \5 v ?7 s
set j
. I( g/ c9 f7 x7 T2 x, B3 h( j + 1)
6 K* ^8 i; J+ Q% w8 u) _, ~]
$ t8 t6 j& p6 d2 vlet k 39 k3 h9 |4 m5 `5 `
let power 0 P. u5 Z! D4 |( I) f' s: i4 g5 a
let local 0
. ~: ?" P/ y9 r0 s2 ^( u- [while [k <[trade-record-one-len] of myself]
! @. E( G; b, Y3 J1 C% U5 N/ I1 }[$ K X0 [. N. f% p O: ^
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) , O* S6 T9 E% [+ R$ j R6 t
set k (k + 1)
* D3 o8 h+ Z( {]
" V$ Q/ @3 N8 v% Y- E7 Oset [local-reputation] of myself (local)
0 _/ _0 m! s. `end
5 t# d M# s# K8 t
3 p. b: H$ L9 `to update-neighbor-total
& T$ d, g6 k2 u$ c7 U& a* z! ]; W0 v% v- Z1 y* s6 J! E# d
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
8 c5 [9 {2 q; Q0 B6 a z$ K* d' d, {/ X, E1 a* m' h- |) z
/ Y6 D5 O" b. cend2 r. R' R0 |8 A6 h B( {
) i: c# n2 Y! L
to update-credibility-ijl
( ]( u5 l' \5 x: T" U$ P: q0 k- x
; g8 V3 q8 I# S( e) t;;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。- i9 {6 t1 o5 q$ s
let l 0
2 l0 }' s- F d. w3 Iwhile[ l < people ]1 g \" g3 h! G% ^% S* d
;;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; ~* N$ g' m- `5 Q& P- ?; a# Y
[, {* M$ O2 Z5 W
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
. i, E- ?8 I! E4 Z. Z: z, Y0 ]) yif (trade-record-one-j-l-len > 3) c1 S( l! m% r6 v8 z
[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
; s: N' j2 c# R, flet i 3
) _9 E* u* e0 }$ p. plet sum-time 0
|1 {3 v# P# c/ f5 nwhile[i < trade-record-one-len]
4 E) M9 S' d0 }' `( P$ s! H. W* u[" J* S6 C1 y- f6 P% k J
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- v) ~) ^: h$ q% b1 L. s
set i
, V9 q5 @6 ]. u3 l( i + 1)
: [* \; ?5 l; N9 a: p3 m]+ [8 B# {9 g# ]: U% a
let credibility-i-j-l 0
+ U8 q8 ~" R4 ]3 j;;i评价(j对jl的评价)7 d' V7 [+ S6 H) E! _& F/ E
let j 3
4 s0 ?- g( X9 Q4 s$ R0 i- U2 `let k 4' i' j8 Y: B+ n' O; M
while[j < trade-record-one-len]
# [1 F' y; R: J- o# W) H2 R2 ^; {[* r/ j; w8 u6 o
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$ A# ^" |% D- W; v2 {9 h+ p3 @
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), }, B, r- U) `# `# o& p" u3 ]
set j1 `" i- s% W9 d* ^9 c
( j + 1)( o, i" e/ v) l
]
; x( W8 S* k& n' Pset [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 ))
& r. o& s8 S' p7 A: G; w4 O
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)), W$ p- Z: `) ]6 h6 {
;;及时更新i对l的评价质量的评价; {5 h1 q" ~0 Q9 l8 M* {$ V
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
% f9 Q+ r/ @6 _% ]; }8 S& n, ^. Wset l (l + 1)
9 K9 [9 j$ O7 w- I9 a]" l$ i( L, T) }/ C% D
end' l4 F. k# l. O4 I
7 w2 S4 v# [$ N
to update-credibility-list* X( t f: k- Y$ i3 {) U
let i 0
$ n, g/ o9 @$ e `' B* Swhile[i < people]/ e: e4 F! f* c" F
[
, {. n' p. }0 }6 U' i# F; H- G5 ilet j 0
q$ Z; W. e, F$ ^# qlet note 0
- d( N- v$ \# T8 Alet k 0
- C+ t h. _; s# ^$ ]; ^) {! _;;计作出过评价的邻居节点的数目
1 t7 Z) r% [$ y( s' [( Ywhile[j < people]
* I9 e$ k, z: H! r9 @[
, P, }- [ w( A( b8 P$ Bif (item j( [credibility] of turtle (i + 1)) != -1)
% M! r5 D: C. ?( I/ t( W& s# }% w;;判断是否给本turtle的评价质量做出过评价的节点
# s( H4 I4 u) p% p0 h7 K[set note (note + item j ([credibility]of turtle (i + 1)))
* F3 @6 ]; J' ]; V' U. K;;*(exp (-(people - 2)))/(people - 2))]! t+ z2 A7 Z6 `* A6 H) v& V: ^4 O
set k (k + 1)
9 U, |/ F F4 \$ m: \]
0 X# C7 V( `8 l! nset j (j + 1)! P) Y& B5 S: s; A& t2 h1 @3 |" \
]
, T+ l+ m* |$ B0 x6 dset note (note *(exp (- (1 / k)))/ k)
' f+ c& g) f& W g, uset credibility-list (replace-item i credibility-list note)# M: V7 A. V0 z; F- O
set i (i + 1)) v: J. T& y2 ]; J
]
: n5 D0 C9 K8 E# V& N' Z' N$ _; Uend5 g/ G. _$ {, Q% ^7 }
/ l9 ~) `8 [5 D6 D- C7 Vto update-global-reputation-list
1 j( E+ y! E# @ Q7 o3 @3 klet j 0+ y. h y7 `" p( a8 q! j, y- Q
while[j < people]
N. U+ H8 \; k, y0 J* I& W[
' L( j7 X! |+ R! P2 }+ @7 ]* _let new 0. |/ Q! u3 E- ~ R( w
;;暂存新的一个全局声誉
7 F- i: p9 g; ~( llet i 09 Z: u, Z% J) p0 f
let sum-money 0$ g& f9 H6 O) d8 C/ M, x
let credibility-money 0
9 y7 y3 G& Q8 |+ P3 ]* \" Jwhile [i < people]3 u8 c0 [( k9 V
[) A+ u* m) d8 B3 t
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
8 G' M9 N4 C3 a; f1 |* a2 qset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))# [& }/ P( ^3 F0 r5 z0 x/ B
set i (i + 1)
4 @5 {; Z- F3 `/ S2 t* R/ }]
0 G3 I/ z7 |0 F4 x# b; {let k 01 ^1 z# o: K# N+ {# R/ h
let new1 0
/ `; E) q9 X4 Xwhile [k < people]. I% O4 I2 A/ M- T! |% j( f9 t
[$ k& [2 b, T+ }3 e$ P
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 E; N& @6 J1 y* Rset k (k + 1)) s Y& O) |0 x9 V8 @+ w) `
]
7 S) P1 y$ U" V0 N: w- p; Sset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
! o7 g" W4 d; u9 ]* l p6 `set global-reputation-list (replace-item j global-reputation-list new)
9 s, N/ v) ]4 ?' w( u6 ?; P! s6 ]4 o+ hset j (j + 1)* z U& G" [* X" f
]
: e8 Q. Y$ h9 p* l6 e! R' Tend
3 ]) g1 u. u4 o; j S% v+ o# n. C: B5 u9 P( S! i" z6 K, b
: i9 m3 y' K: r) h9 I: C% p4 Z" Q) t) m6 T, t
to get-color
t1 _3 F2 ^9 b: w7 k) G4 N @7 {2 R4 a% Y, U8 P" E
set color blue
0 O# @ I( y3 \' |, _' }$ _/ }end: M, Y1 u: ]2 V$ j) X8 x
; V4 a; s# f3 t6 ato poll-class$ q0 m, g9 @% H$ X# x
end+ c+ {$ y1 O* R4 o( |3 q* R' D0 o/ }
( d) m3 h9 h: k" p- J) T6 c' M
to setup-plot1
8 D! H4 S; {7 C0 t/ x4 P6 R5 A5 |- X% X) V$ v. l A/ t
set-current-plot "Trends-of-Local-reputation"
5 I& `. X, z3 ]/ M& l4 R/ }- U/ J7 ]2 J9 H! J
set-plot-x-range 0 xmax
9 p& f" w, I# i- \9 k1 S9 j9 U% ]- D' D- `0 d4 p, O; f3 o# ^. K
set-plot-y-range 0.0 ymax
) r, M5 \) B/ t" ^4 y7 a+ G6 eend
( w6 [$ I" D* h0 m2 ]' d$ C Q# }/ d0 C" _/ e. \2 K# V
to setup-plot2% ^7 D' r+ W' n0 E
' t& S4 E1 o: k2 M2 ~. F) }; A
set-current-plot "Trends-of-global-reputation"( V+ \+ _. r. t9 y5 l+ H ^
- Q/ M* V" {, t7 j! }
set-plot-x-range 0 xmax# K) J$ j7 e$ X: `! K! {. |
: t, P; t; ?2 ^2 qset-plot-y-range 0.0 ymax( [4 {3 u" N( N" v& a
end
4 C1 W& X* M8 b6 R+ w* ]) c* f- X7 t1 A# n6 m$ Q7 H! t! L
to setup-plot3
( k3 t9 T3 h8 k1 t! n' _0 @8 f0 p1 z# x% t- o$ R1 Q- [3 |
set-current-plot "Trends-of-credibility"( N+ t# e* q, D% M
/ J; t+ y( M0 v! v+ ^2 k: X1 _set-plot-x-range 0 xmax
. ]) C; R _" @5 a: c, O, S' [: D" z5 F, D8 P: ?0 C) F& p
set-plot-y-range 0.0 ymax- \. ^' F4 m, W4 P) V) G
end
3 c. p- e$ _( \ p9 e' [8 ]8 d. q1 n: X, N& x; ]: m l, L
to do-plots
- z6 [5 s; n3 ~- Q/ |set-current-plot "Trends-of-Local-reputation"2 s5 M7 Y; D1 w
set-current-plot-pen "Honest service"
; c+ w3 B( h5 J, f1 nend' o7 z+ c: j1 M3 C: d
0 c/ N% X. e7 J5 p% G
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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