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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' v' T" S C w! W$ W, c* x/ W
globals[3 Y2 R& R! `/ n" t! b5 a6 M9 A$ s+ b
xmax
0 u# }* ?8 D$ t, t& ^ymax
! r7 i: Q6 `- \, ]. k: Rglobal-reputation-list
5 O# g6 T3 ~! h& t$ z/ X& t+ I+ C4 B ?' u4 ^) Z/ G2 D
;;每一个turtle的全局声誉都存在此LIST中# O+ B9 b | y7 M# ~* w% U
credibility-list) A+ k3 r' ?8 p/ f8 {5 F
;;每一个turtle的评价可信度0 L$ n4 }8 ^0 _* o8 v+ @
honest-service7 y. G* I' y) K9 j7 q1 a2 ~
unhonest-service9 C1 |: i8 @& B' R' U3 I
oscillation& N. z# X7 C2 A ?& u% {9 d# h
rand-dynamic! _; n! t# ~0 S b
]8 z8 |% A4 J; ~1 H3 I- D, a
9 u$ R: M& z1 V% e0 x( \: C- P
turtles-own[
6 C2 o) ^+ R) y) ? N/ xtrade-record-all) {% a+ f# Q$ c$ \7 P# ?0 [0 ^
;;a list of lists,由trade-record-one组成
/ @: ?$ \( i/ q! P- _' P1 O4 Mtrade-record-one
! e7 D: V* X' K# V; o;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
( h2 A7 W9 L( O% V8 g/ k; Z: t0 ]# C
4 [# j; e% c R;;[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]]
1 c; V) S5 n2 ]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]$ l' `0 p; ]3 `3 |
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list1 U3 b+ A" B% G. @ G
neighbor-total9 v" ?) V0 w$ p2 r( G
;;记录该turtle的邻居节点的数目
4 u: u0 T0 J& E! G- |1 d% b- Btrade-time
( [2 W( { ?7 d- D: g' l;;当前发生交易的turtle的交易时间
2 h0 t3 I$ G+ rappraise-give: D0 O" N$ ]- X2 Q+ p: h! }
;;当前发生交易时给出的评价
8 @- G( r( L, K# m4 m/ U! b E2 Jappraise-receive( V$ S5 F; W) g# ]6 H. @
;;当前发生交易时收到的评价
7 j- |; u) T( } ~1 `; K E1 x. Xappraise-time
% x; L0 `: n$ s1 s" N;;当前发生交易时的评价时间, P, S, z* J. W( ?* r
local-reputation-now;;此次交易后相对于对方turtle的局部声誉7 H, E0 s1 A" Z/ v
trade-times-total
# @% ^9 \5 h& [! s1 `( L4 Q;;与当前turtle的交易总次数
: }) }' i6 L9 ?) ztrade-money-total: c9 Z$ s* V' f, g* |2 |( h5 I5 y
;;与当前turtle的交易总金额1 t1 M" f4 r9 p2 v4 P# C7 L
local-reputation
1 P4 m, C5 g- {$ X- o$ v# fglobal-reputation; {5 M3 W- Q" B) c( ]
credibility
* F8 c+ X2 ]4 H;;评价可信度,每次交易后都需要更新
: t y8 s( ^0 n7 o. z4 w) X7 Ncredibility-all
2 W% i; G1 b$ k& h w! s;;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4 C, Y& H+ Q- O. b4 b
# ]4 T+ u4 M, }6 \;;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
v3 j4 Q& o. x" o( l# ecredibility-one
: T% V& r7 t( f( M! o;;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
+ ?: r- a" V( E+ m( s; M, Oglobal-proportion
i# P5 B; F+ n/ a. ?& Bcustomer4 ]9 q$ Q- }7 c
customer-no
0 w5 o* K5 B6 |1 wtrust-ok
2 c7 t6 u: i e3 z* D4 s! gtrade-record-one-len;;trade-record-one的长度" L; V7 N. w% E: _
]6 ^3 S* v+ G( i. N' Z, G9 `0 X
4 m% p% Z- V* l
;;setup procedure9 ?/ t, X, C8 \# k% R/ \
0 ]- Q2 j' E$ z) Ato setup. H7 O( K- ~9 d7 L5 k1 c
( x; Q. i9 ]! i8 ?5 V% K1 Z' g
ca
+ g, F' \) k. v8 a
$ T; k$ _5 Y, s: u9 ainitialize-settings
" Y W0 k* }) L: B" ]+ U J5 ^1 ^5 S
( @6 X" K0 C, ]' ^/ `( q: ?4 ycrt people [setup-turtles]
; ~% \+ n& e$ `5 b4 p
& H r( d \; ~) Q1 `9 [reset-timer
& I# X7 A% n7 V! B: Z6 Q' u
6 j- r' U q" A' \' @poll-class
- K) [* c6 d, t% Q
6 P' Y9 _# I) ^0 W3 ^. vsetup-plots
$ b; l) z% z4 ?
7 ], K! S* b. j G G5 [% ~do-plots
7 @8 n( ?0 ~; Y1 R& L4 kend* y4 d; d3 x5 k. I D
; J; J0 E1 N- Y) i
to initialize-settings
- ^- \, n( }; n# Y* e2 q. N8 ?5 ?* b8 W- E# [* N3 R
set global-reputation-list []$ J( ~: ?" w+ P% V
! v) V- z1 ?1 Q" z+ [- g$ e" Aset credibility-list n-values people [0.5]# m. c3 G9 M! t2 b$ d* A1 s! @1 X
% M5 R4 ~* \: Z: vset honest-service 07 R; Q2 M0 I% k2 J8 |
3 A: M) r* O8 t1 }/ e2 x5 ?set unhonest-service 08 s1 g6 S8 Y) `
1 C- m% M2 m4 |2 h+ @2 T4 eset oscillation 01 t4 R( N2 B$ ]- c# L
' H! P5 [# J& U; s- U9 G4 xset rand-dynamic 0
E' A; v$ J: G4 I; p G7 mend
# J5 V3 ?: x2 b. s* z* E! r; i/ _$ @0 P, \- {* S
to setup-turtles
# [) E1 O* o# y5 I- Oset shape "person"2 T4 u- ]( ^! E l* |
setxy random-xcor random-ycor
, X% h/ j8 u7 Q' w. Y+ l9 nset trade-record-one []! W( v. |- A+ m# v
% {8 N F' C X$ {
set trade-record-all n-values people [(list (? + 1) 0 0)]
: S& G" |) T4 \ A7 s4 j2 t2 k3 p$ J+ X+ m* y
set trade-record-current []; r% e* e0 F) `/ Z& Z3 ^8 ^
set credibility-receive []8 G! h# [9 b( M$ e
set local-reputation 0.5) A3 z6 |# y3 m! E8 n- b Y
set neighbor-total 0+ u0 j9 W1 _$ R& `; o4 F5 N- s
set trade-times-total 0
3 V, q( Q- A! b. gset trade-money-total 0
. P8 j8 F; [% U- r8 Yset customer nobody) V0 t: C P" z& a- V
set credibility-all n-values people [creat-credibility]
+ P9 @, z8 ?. Z7 _set credibility n-values people [-1]& G, L5 G# ]$ `" [
get-color
6 ~$ ]4 E% R8 d$ O7 `4 |2 P R& p/ D; I' S
end4 }+ L" i; o* G
; `& n) H0 U1 c0 X Q
to-report creat-credibility) t; Y5 o7 }& j/ V2 t! {
report n-values people [0.5]5 O9 @3 Q% Y7 j R* p
end
" h+ Z: X6 `/ x E
2 \) B- G9 K" [to setup-plots
" k8 C" }1 m7 R& }( d! q# c% f
. Q% i8 T! R/ u/ j ?6 w, x1 I0 l4 k3 d! Xset xmax 30
5 m! {7 q0 A7 e* C t5 c
4 ]+ w, E7 \- U1 z- P% Vset ymax 1.0
5 O( }( x+ F4 _4 ?" E0 r0 {3 c. ~: f9 b. g# y, x1 z8 g
clear-all-plots
& P. \2 |' ?( a D V
9 R7 s0 o* H# U$ p; I* ~* N" `, @, ?setup-plot1
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setup-plot24 n( D* ?3 J F+ {, Q
Q5 \" E8 e" A/ \% l' C
setup-plot3$ T* ]. e7 E X4 M5 D1 e' S# ?
end, Z) z1 R- `9 G }
1 j5 q" x2 x; O$ o/ [* H
;;run time procedures
, c, `+ o9 }* S* g9 i, o1 ~% i8 n0 \' a' _- K2 |2 X; {$ ]: {
to go
C' w: j# U$ h$ |' n; k! H/ e) R2 |7 @: M& p; }. g) P+ |- ^7 }: f# A$ U5 r7 M' d
ask turtles [do-business]
, V8 e) D* \4 S$ ~" dend
' C6 b5 i' X/ _5 }( [7 z* F4 L) Q$ F" F4 Q k9 Q. p, [, D
to do-business
\7 i0 W; a+ ]5 u! p/ F7 W9 [
! P% V% k" V6 F& c
: o8 g, Q( ]4 U5 g3 L( o8 Ort random 360; p' W' @3 r. ]" A/ M! p
& o. }$ z8 E2 y( nfd 1
# {! ^0 o! |. X! @/ K' z2 M$ c! D' S w
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
% u5 p+ ^7 M1 z
( ?% R7 K0 z9 z;; set [customer] of customer myself6 @' X& \2 V- Z! ?# S8 F3 R/ K
, ~! `3 \& D1 i# U
set [trade-record-one] of self item (([who] of customer) - 1)
+ t+ h; r" R* Q[trade-record-all]of self; G% R S/ Y d
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
' C# F( B- G- h. |0 v
9 O% r5 ?2 x1 L6 @* H2 gset [trade-record-one] of customer item (([who] of self) - 1)
: z% @: s4 |( S. p: _2 p[trade-record-all]of customer
0 Z( y1 g N0 o! v! l
1 p* u: N0 q5 d8 Wset [trade-record-one-len] of self length [trade-record-one] of self
3 v' L3 h- T" u# f: r! p' f9 p9 x7 ? N4 D6 p0 g" m- e8 e/ e
set trade-record-current( list (timer) (random money-upper-limit))/ A: G, ^, Y7 h) l8 }- x, J8 ~
% n% M- |6 S9 f# t0 U1 pask self [do-trust]
6 Y5 p* Z. y5 o7 M;;先求i对j的信任度
: t! f$ Y2 V6 m
5 B" b9 G1 N1 gif ([trust-ok] of self)
) H3 @- v( C, k2 b2 z;;根据i对j的信任度来决定是否与j进行交易[3 T- |( M+ _6 H+ _& f7 C0 b* w
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself' _( W" X: b+ ~8 i2 l# B" i% X
! l' ~1 x( e* W4 m: w[
* Q5 E* M% o! T" _+ f t+ v+ z( Z
8 E5 O- H3 a3 Q9 I( Ldo-trade4 G' h! L2 ]( k1 @. D2 j
! Q$ u* i2 ^$ \+ m; x4 o
update-credibility-ijl" O; y9 @5 h% X5 ?( o
. _/ {; d9 q6 S6 D8 u* i$ j3 l
update-credibility-list
' ~* |% p: b# N* {/ z! [8 T" X5 F! l
- ^4 \- l3 ?% y4 y+ \1 Y2 Y
( R) X& R. W" Yupdate-global-reputation-list! r8 c4 t; n$ T Y5 L
3 Z3 |- V+ y% i# `* U! {poll-class/ Q. l0 z/ O6 X4 c; b0 h; _5 {$ A
5 N _$ \, G% J1 Y! ?( h0 `3 _get-color
4 D d9 H- v; m
4 |0 z9 b! l' G' z A" U- n+ R]], N0 T! R7 [4 { F
- H( X; N& S% F/ O w, J
;;如果所得的信任度满足条件,则进行交易2 g) _2 q/ q$ Q) X0 ?
$ n3 H8 C: @! [" z u
[: Q$ w; s: [0 p9 t6 I
! [% g2 i, m: l& X$ Drt random 360
6 n% n& L% r: r/ b% C+ c( P
; ~6 e# r! O! z: ^2 p; a% afd 1
( f0 G, c3 u* j( D. K6 f
4 n# |6 o5 z8 U3 p]
9 b t+ L7 Y: `/ |0 m4 i1 b; m# [" l% B/ F1 t0 f8 u
end/ z/ T6 p7 F$ p( V
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to do-trust 5 _, i9 N. B$ k E* @5 \
set trust-ok False6 p. `' h' O/ y# m( N8 p& C
* y; d9 q, Y( `) T) A; w' {3 |
7 l& `0 n$ Y3 C( Dlet max-trade-times 0
f9 n; b! M; N, Q- Q P p- @foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 Y" S$ S9 u- `& O& |2 o& ^
let max-trade-money 0
6 W3 A/ Q6 Y1 v# A8 v( s8 Aforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] V9 ^, _7 \& W+ b1 I! K) H4 h$ F
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))/ w) f6 ~/ a6 u9 ^
4 B- g/ h4 |4 M5 [0 y/ b# `
6 u4 f4 v9 o! Z3 S! m d7 x. Uget-global-proportion% S( e* y! D6 T2 A
let trust-value" I- r% R: A1 j* n( M% o$ ^
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)9 ^/ L: E1 f9 r+ [$ z; f' W( x" n. ?
if(trust-value > trade-trust-value)* i( r0 r: p. Q; u" s
[set trust-ok true]6 @/ \# z& s+ i- M1 Q
end
) ~ M! C z5 m& K5 D( T0 O8 I; r( r# d) L1 S
to get-global-proportion
+ K Z p/ J+ e9 H* k* M9 j wifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)0 t6 V. c( t" h9 p9 b% V0 h
[set global-proportion 0]1 X) j1 h5 H: f8 t
[let i 0
- f! h, v. ?- rlet sum-money 08 a+ l: e! ^0 Q+ p3 ~
while[ i < people]8 s g) ~9 X7 j' r$ c# H$ q& n$ C! o
[" q- R4 l+ d3 C- P6 ]
if( length (item i/ ~) y2 p. F; Z+ g* Q
[trade-record-all] of customer) > 3 )
# }8 f/ i/ z: {) z1 k( D[
& N, }7 R7 B$ a4 O. `2 L9 `8 yset sum-money (sum-money + item 2(item i [trade-record-all] of myself))5 }+ z% E& w+ d
]
' l9 m, |; r4 i4 Z" T]
7 E. Y1 p; F+ x/ n' Q" O2 ulet j 03 _4 k. V c1 B$ ?8 }' v& _) L
let note 0
1 X" {( C8 u/ t1 h# b; ]/ Qwhile[ j < people]
/ }6 O. }" c7 a[
4 k+ F$ }4 Y' E; x$ v' U V& \6 fif( length (item i
* q ~+ n# w8 a$ N" t8 e+ Y% f& \[trade-record-all] of customer) > 3 )
, f0 M3 C# u+ s2 I$ l+ ?0 H[
) {1 n# H* @8 k( q3 ^ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
6 n( U) }3 R7 G[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
/ Y/ |. Y% x6 K, g[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]' K$ o5 {" z! g
]" w; i1 C/ ^9 s; R
]
, j s5 }2 m9 {; Q/ T) kset global-proportion note
* D e: G6 q: k! m6 }9 ]9 d]
1 F: t9 b3 N, ]7 h8 U6 Dend% x& w4 c2 d I* d6 Y p6 o
5 {( z3 b/ O$ O4 J5 v! Nto do-trade) H8 |- y6 ~ I- _
;;这个过程实际上是给双方作出评价的过程
* k" V" G3 r0 K0 @set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价8 y1 `- g+ Y: e R$ L4 Q7 c
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
9 o3 K1 d0 `8 J: s: g, M8 n/ a, Rset trade-record-current lput(timer) trade-record-current5 z: ?1 U) _& N3 ^
;;评价时间# q. a( C/ \1 `6 P- T4 N1 d2 k- A
ask myself [
8 R/ e) P" k w4 `( c8 rupdate-local-reputation$ p8 q" m c9 k* k5 s6 _
set trade-record-current lput([local-reputation] of myself) trade-record-current/ l; m5 Z$ {* M5 I0 X9 Y
]
( z+ O# y( _1 Q: nset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
& S1 F6 }4 K2 ?0 r' \8 z5 J;;将此次交易的记录加入到trade-record-one中
) c" Y4 @4 H6 ] _0 ~- Fset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)( n4 z; O2 ?2 T4 t! s) q6 ^9 N
let note (item 2 trade-record-current )
: Q4 Y% G& @/ x1 w" e* P0 R- aset trade-record-current
- @/ Q3 I$ s& R0 o- d(replace-item 2 trade-record-current (item 3 trade-record-current))
1 O$ s+ k5 H) z+ }; t- }! x, A+ G* \set trade-record-current8 D' }+ _4 B( ^8 j% H) M+ G
(replace-item 3 trade-record-current note)
5 Y, S6 {) W; V+ i8 Z2 [1 m' _
5 `+ s0 s& n* j {' G
ask customer [
4 F. n! W3 @5 ]% Mupdate-local-reputation
( t+ G# I' G8 F( O' uset trade-record-current' c$ j7 p% V! C) k! e* K
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) - J$ |! N0 K- I, Y
]
4 N# b' B( O+ h* G4 p/ I) R; w$ z- q5 Z
6 E2 ^( a& G/ _2 y; o& a3 A# gset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
0 k$ M" S) j/ u- u- w. U) g# g+ R% \; `; Z+ H
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))" Z! s3 L5 A/ i5 @* R8 q
;;将此次交易的记录加入到customer的trade-record-all中& F9 I1 @: E) j0 H. Z9 B. u: P' b9 A
end
" o" L' j# F# ~/ H+ U$ |+ s
- u; U1 \) t6 _" gto update-local-reputation& v% B. h g' Q6 Y8 X
set [trade-record-one-len] of myself length [trade-record-one] of myself @* p. P& E7 S+ H# L1 |6 K2 @
0 Z. Z3 c# i* h
$ w! ~; G: [1 f% l0 m. G3 d; a: q9 q;;if [trade-record-one-len] of myself > 3
1 ]1 K/ f" g; t9 U# D" m n: iupdate-neighbor-total0 }) F2 e# k' B6 @4 `; ]
;;更新邻居节点的数目,在此进行
( n8 g) t. J- u2 V) k0 ^0 w+ plet i 3
+ f/ w. i% A( r' Rlet sum-time 0
: g: o5 j+ z) b9 c8 {# G7 D+ S6 nwhile[i < [trade-record-one-len] of myself]* {# Q( N) F9 ~* @7 X( G, ~
[9 x; G# L/ r9 b1 U0 l+ }" @) e& |
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
4 K, O* t2 q7 \set i
" g; c& Q" S6 K1 P2 `( Y2 |1 u# S( i + 1)
, N' \' ]0 I9 u8 s]0 {$ b! i$ a) o" L
let j 33 `5 E' E- U$ g6 R) j
let sum-money 0
. H- J. B3 F, kwhile[j < [trade-record-one-len] of myself]3 \* Q1 R9 [. h/ A$ \, s% T
[
. _7 e$ Y. C5 m4 h) _ 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)9 |0 F6 i, V) T6 T$ \) K
set j
/ Z5 Z0 a6 E2 g3 T( j + 1)
: e# P( B& C" o]5 u8 V/ U1 p7 V I
let k 3
" _4 F! P/ |8 b1 Z- h2 I% t$ Flet power 0
* W [$ Q- q: ?: d/ Mlet local 0
! t* K8 V% U- t. lwhile [k <[trade-record-one-len] of myself]
, G+ J* P( p$ N' y2 s[/ g* {3 s L/ s3 s* P' Z3 T
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)
' f l, J4 U* `; Uset k (k + 1): s. R5 N* N W4 ], t4 ]
]
8 P0 `$ }% W, U/ r1 e# hset [local-reputation] of myself (local)! _% D# [6 |' z1 {; \: _- S9 w
end6 L& h- r8 a: T& A" \
# N$ U ?! c% U! j) w$ f* l
to update-neighbor-total8 ]! G5 u0 S' {7 w+ H/ e3 r
1 I/ l3 i1 s. E7 S) t' C6 M& F
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]3 g3 N4 U( ?) L9 P( J
3 n6 j3 Q" f# w7 a
9 t( O' J# f* E, S% }6 f
end$ T. s2 j7 ^/ a; ~+ n: [8 ]
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to update-credibility-ijl ) Y! L/ d4 _/ I7 P1 [! K+ |8 `
7 `, x2 s1 M1 G& L. ~6 @+ }% a;;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。4 {: u7 a% a) `
let l 0
6 C9 `2 t7 D) Y* b5 L2 U8 Dwhile[ l < people ]
; J% D, v5 y; ^, U4 K;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)0 @* S# t7 O8 H! K8 d4 t$ Y
if (trade-record-one-j-l-len > 3)( o5 m8 K: j: c" T. D
[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
6 w: f# e8 }: l( k; ~let i 34 ` e) p* g- ~
let sum-time 01 n9 r1 H- R9 m: Y8 ]* ?7 @
while[i < trade-record-one-len]* s9 P+ z& S+ ~! K6 p& u
[" s/ K" h3 L+ r# ~( ?* R) n r! a
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ), @, s' g' l/ w# `
set i
/ U4 `/ u- v4 F9 d( i + 1)
) e' G4 a; R Z# O7 w]/ [) r0 ]- Z' G. K& ~$ z! _
let credibility-i-j-l 0) m% Y0 }: ^, l8 _# i" R8 W0 m
;;i评价(j对jl的评价)" e& u7 V! |# k2 ~- O: P8 I3 u, G
let j 3
8 l3 D' o) Y& \ [- [. U' i- @let k 47 o% u/ m# ~+ [- J$ {
while[j < trade-record-one-len]2 \/ A7 \/ L0 t: K5 I
[
5 r/ d$ {$ x/ J6 ?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
3 t3 T; U$ M# y# O1 s& W' Uset 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)9 y; l: h5 E. g( n3 q3 J, e2 n- b
set j! |3 A. i1 ?( m1 P, x3 C" t! \
( j + 1)
~8 O9 B/ Z9 H7 U8 ^0 j]
. m0 q/ h; J8 V! l2 p4 iset [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 ))
2 F! V& `5 f% u
' V) X9 D7 q2 P/ p% t6 R* M2 `5 U( S5 d- p& Q* f4 V
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))& N1 s" ~1 A* c0 b$ K/ T
;;及时更新i对l的评价质量的评价, Z# l4 H6 q6 W! D/ f0 U
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]$ d- j. y* s1 H, j$ v3 E' j% I% f
set l (l + 1)" P# p7 t7 E) K5 S3 o
]
1 n0 E( |3 }6 o6 H3 [4 Nend
- D" A6 Y. x' z; x+ }2 y l
( A3 f1 y& l; sto update-credibility-list1 i" y4 D: s% }( }6 ?
let i 0& J# b4 Y+ h2 C5 k1 p+ s
while[i < people]
$ T: G: y% X9 r5 R[
$ X9 n5 h8 g) _$ ilet j 08 ]3 R$ N& c7 ~ \
let note 0 ^2 l' y: g: n7 w
let k 0
" L: `+ ~& w% p( z* ] H3 V. n;;计作出过评价的邻居节点的数目
4 U+ k4 a( ]9 W) Bwhile[j < people]
* \7 A/ a S4 Y[7 k+ [! `, R" S) ?- D! q
if (item j( [credibility] of turtle (i + 1)) != -1)
1 A2 j+ s; `) m& F9 ~! Z2 }( `5 B;;判断是否给本turtle的评价质量做出过评价的节点0 b0 z' m2 w3 N( K4 {2 [
[set note (note + item j ([credibility]of turtle (i + 1))) w. U- H X4 j
;;*(exp (-(people - 2)))/(people - 2))]
5 z/ B. ]5 Q: h2 uset k (k + 1)
! E9 B; N4 r0 `' S5 N U1 C8 |. s]( @3 L* `, w! |% E
set j (j + 1)1 P* ]" j9 ]! p3 W
]
( {0 c7 ?$ u1 P& _6 kset note (note *(exp (- (1 / k)))/ k)7 N4 f9 B6 i+ r
set credibility-list (replace-item i credibility-list note)7 J1 J! a, _+ _+ w: b, o3 {* c
set i (i + 1)
# F1 G: W x( ]]
& ]6 z4 ]6 M, [! k6 i5 Y: @6 `$ oend
/ B* o, u9 } e D
- ~. [& f- r/ Z! S2 b5 @+ ^# Ato update-global-reputation-list, h/ B9 K% C# j! Y7 z
let j 0
+ ]# p/ d: Q, Z, g8 |+ [, z8 c& bwhile[j < people]
* v1 ~( g6 n( a[
, h! R. F" P) Q0 h4 B0 alet new 0
8 j) l1 V; Y1 @;;暂存新的一个全局声誉1 f+ Q# u7 O. { W3 V. T) ^+ u( A
let i 0
9 Y# Z- c$ T- \/ `( V! u8 Wlet sum-money 0
% Z w6 ]- i0 v+ ?3 R# I( `' Vlet credibility-money 0
- K- p6 \0 v4 c" E4 D' e8 pwhile [i < people]8 v2 m" U6 I2 G
[
$ F" H6 s/ X+ x& Gset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
* M2 R! @8 C9 C7 l5 g8 |6 w% @set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
2 H" P$ V5 X4 Y3 l8 l' e3 V( @set i (i + 1)
# Y1 E) C. s7 s9 I]# S/ y, \3 \' ?" q
let k 0
! J& l e3 K6 Z1 Flet new1 0! i6 j) W2 ?: e$ [7 _: i5 c+ L m
while [k < people]# x$ {0 E6 Q2 V/ j) F
[
. c4 y4 b, A" L% f. {5 t* wset 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)6 n. P' B# g6 Q. }% g% o
set k (k + 1)
1 l1 \* d2 ^+ w! r- |+ ]]
2 H# }# F4 d7 Fset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: q: s4 s$ z: z" ]' s8 X* ?0 H* Sset global-reputation-list (replace-item j global-reputation-list new)+ Y- o. w" b6 w8 E% C# s, q
set j (j + 1)
+ S0 Y/ N: o$ z: ?+ i]
" V5 x) v4 n( u4 Eend2 F4 Z" j* \, i/ m6 g
& c" k/ W1 C4 [! I2 f# T* x# _" x
) a9 n% \. x6 ~' K3 p; p S# k% L6 m) d6 B
to get-color
0 ]1 ^* Q3 E) v# ?6 d4 l3 z9 c6 r# H/ Y( ~. A! s
set color blue
$ a, Y# H% C( p, [end3 h: }, T) E2 t- c5 X
1 K9 j! F1 p" o$ F
to poll-class8 K" @6 o5 X z
end
4 D& ~9 v# j. j0 V9 S' C
1 [, `! |5 g& ? N# j/ j! |6 p& Cto setup-plot13 f9 a+ k( p+ U, Y) f4 K
; u% x. D$ m1 u6 F6 T
set-current-plot "Trends-of-Local-reputation") b3 N* M7 X) e2 q. z
2 z# V% ], T4 I5 _1 G; e% yset-plot-x-range 0 xmax
6 \+ `$ X9 b* v& p' \/ [+ y$ l) z8 | s- a' S
set-plot-y-range 0.0 ymax
% m q& ^8 f3 Rend- u- w1 A+ h5 x
$ W. b* d2 G# v% Oto setup-plot2
9 W3 x; A: D5 p+ Q& `# q2 Z
; }9 B3 K9 j' V" D \, ^set-current-plot "Trends-of-global-reputation") f; h% Z H1 u
' i0 b; ?/ ]3 c" Z/ O( D- f5 rset-plot-x-range 0 xmax
' H7 C7 I& _' r/ @
) c2 {; U: B" S. |! F* {set-plot-y-range 0.0 ymax
5 c' c& `2 y4 `end4 ]0 R& [5 E# O# ]
' x) r/ S* o8 i0 E2 Bto setup-plot3
- G0 Z4 u/ e# x3 ^# f, N7 C H+ ?4 o$ c- m
set-current-plot "Trends-of-credibility"
) {9 S o& V: F& ]* e5 `0 Y$ R6 ?1 u/ j
5 w2 }* ]& f {, y& A+ ]+ Mset-plot-x-range 0 xmax
, G; i4 i# j9 _, `& x
9 l/ u8 Q$ a0 N* T$ Eset-plot-y-range 0.0 ymax( Z( C& `; h( `, }7 D3 r3 @
end# L- g# A8 V8 U! R m% u
4 n4 K R. a& Q [2 f
to do-plots
* @) H' N9 }5 e) }set-current-plot "Trends-of-Local-reputation"
! J! H3 T6 U3 t5 C4 E3 [0 xset-current-plot-pen "Honest service"
0 e) L/ D$ Y P% uend
& p9 Q$ j0 U9 d
* ~, J# h4 [5 X- v( u2 `" ?[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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