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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
* d$ e7 [" J: [5 S3 Z5 Lglobals[9 m4 a) z9 O' W& Z
xmax
\# b ^" P- Wymax. A7 E8 P4 W# J" v( L) X
global-reputation-list
' U, G: S$ `2 R% }, B, i. n! J& Z7 O2 N/ ]2 b) V; V
;;每一个turtle的全局声誉都存在此LIST中
; Q* b" E) S- j* S' N+ i7 Mcredibility-list
8 [4 V$ E) T3 Z7 P! L;;每一个turtle的评价可信度5 B" X8 @7 k0 u# ?, g
honest-service: C- `; M# }% a& o4 n
unhonest-service4 q4 W& L- m* g
oscillation$ N% r' |$ O: ?8 d' t6 K
rand-dynamic
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: {7 N- O/ m5 m$ _
turtles-own[, m+ g0 J# E' V; x! T% q
trade-record-all
4 C- h; C- o" y! [; q5 n! r3 p;;a list of lists,由trade-record-one组成' l! {) [, R2 l* y( Z. ?$ v
trade-record-one
+ t, w0 s1 q. }. H;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
' o+ H" |# w' Y& {' y5 q
( f' y9 l& E: k9 j3 }8 O; 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]]; W' d, v9 w5 a" k, k
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]- ?. v1 g! n1 q
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
, [( A$ @4 `+ ]' _2 ~# vneighbor-total$ E! _, }* D1 h& w
;;记录该turtle的邻居节点的数目; O- l6 O3 D; d$ Y
trade-time6 t2 Z$ _! T! X* k% d1 m7 |
;;当前发生交易的turtle的交易时间* x6 n# j7 n. q8 S' b
appraise-give( M# ~' Q% y w8 k) x
;;当前发生交易时给出的评价6 c7 `) r1 W3 D, y; z3 z% h
appraise-receive
' Y8 l z" K& f9 r3 K% i;;当前发生交易时收到的评价6 F: h1 r4 b) o/ j3 p# x
appraise-time
5 @8 P5 f( W' U! g [+ N F: r;;当前发生交易时的评价时间0 V* F; L6 s1 L1 q' w
local-reputation-now;;此次交易后相对于对方turtle的局部声誉: }; l7 u5 P- @+ u0 z+ D7 l" j* Y$ _
trade-times-total
4 F, W. t% i1 t3 [; q, u;;与当前turtle的交易总次数
# k: d2 Y, U6 T+ Atrade-money-total
, A% x% J. Q0 ~ x8 m;;与当前turtle的交易总金额: Z$ Y D; R4 j/ U( ^
local-reputation
' t& n' R; L' T% F, pglobal-reputation
& K8 {; w& C( `; g8 c# `: z hcredibility. p/ A& {$ X% S, Y: D! d0 _
;;评价可信度,每次交易后都需要更新
. E& T7 x, z& @& O- ccredibility-all: M" u$ A, ?% P0 w+ ~
;;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- m5 _& E$ B8 N# y$ G
2 m" T% h) j; Z3 V7 i* z;;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0.59 L2 i K# ~0 i5 ?, b( U) a
credibility-one
% c o! r# V: n+ e;;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/ m9 c: d. n9 g
global-proportion1 f& _. M+ d7 z y
customer
: `" @( ^2 ?, p% pcustomer-no
6 B! X6 o/ ?2 ?trust-ok
- [" ]; ` j( q+ f0 N" X3 n. mtrade-record-one-len;;trade-record-one的长度
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$ [! E" x7 b2 \6 J
;;setup procedure. U+ U* [% A& A O. |0 b' L4 X/ R
6 C1 y: o1 {9 M. e$ n# ]$ uto setup
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ca8 i( @) s; p$ n! Y$ x+ C
# u/ `- x% Q& ^initialize-settings* d+ f" T( Y) ?, {6 q. [! z% X
- K9 i* h% Z# @2 \. h
crt people [setup-turtles]; S2 R! q. U; G; g7 Y- p
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reset-timer! n& y0 i% E( J C
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poll-class8 W' c& F; |% V7 m8 c% n: F% G; ^# ^
( R6 C7 L. |" S8 |- n1 Z. d
setup-plots
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do-plots- ~/ y( q* p: G
end1 D. k. T0 z6 j: y6 Q
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to initialize-settings5 C* v5 Y- t8 V3 x0 O9 @
: T3 |) L0 J& Q4 aset global-reputation-list []& w* L. u+ x8 e L
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set credibility-list n-values people [0.5]
/ p+ j# G: H s9 _ }. g8 d0 {% L. l T/ ? m9 _. w# f6 U+ I# x7 d
set honest-service 0, S* b6 U. y1 Z" T: n
' S: ~! v; X5 ~& `
set unhonest-service 0# u1 P! U$ t: E: l8 r
! u3 w# X: {1 @0 @4 k6 rset oscillation 08 _$ _! Y- R. T2 E) h
* O4 W1 N" o2 M3 R: S+ Dset rand-dynamic 0
. d8 ?! W3 I3 f0 {; qend
* @6 t% Q# y! r+ ^, W; d: L Y: ?; L% h) x7 P
to setup-turtles
) S a5 Q1 Y, L- ]set shape "person"
8 x4 d( u0 g) b2 r3 J1 M! Fsetxy random-xcor random-ycor
$ W! g. V% Z7 o0 V' aset trade-record-one []
6 P. q8 M. Y( l# i9 P5 f
8 h! T4 S# g9 n; H5 w: Sset trade-record-all n-values people [(list (? + 1) 0 0)] 4 `, W. m' E9 g4 k% s! D6 o$ h6 A, \
( ]$ q l& j& ]1 ?
set trade-record-current []
P g3 ^3 P, |+ z0 g6 \: `$ tset credibility-receive []0 h+ C- m) e+ P4 m; [
set local-reputation 0.5
) r. T8 g, K N/ r+ g5 gset neighbor-total 05 q4 [5 s* Q/ P: s8 Q
set trade-times-total 00 o( o T$ O5 K( ^- }; n
set trade-money-total 0
% A) Z0 h: Q# ^. t0 P5 tset customer nobody% P7 R. P- l& F
set credibility-all n-values people [creat-credibility]& O$ m; }2 H/ A
set credibility n-values people [-1]) Q" |/ l6 }- R' f3 [
get-color/ L7 m: I2 ?: Z0 ~ w1 l& B% D
& b/ R& c2 x+ nend
o. q [; @" j
% r& M& `0 Y+ I. `$ ]' `to-report creat-credibility1 O8 y4 \+ @( ]: N2 _4 e
report n-values people [0.5]
9 u! q* Y; w1 W" B8 |end
2 s. k# n: G# k* g( [: a6 s7 l2 s3 Z( m. ?6 ]
to setup-plots
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$ v" ~0 E5 J7 T I7 u4 m7 f F# ?set xmax 30
2 B# C% C/ U$ ~6 g8 z4 V
1 A* S9 U" k/ t, ]+ ~, w" }set ymax 1.08 w. M8 d8 C& }+ ]- I, K R! ^/ O. e
M3 L# D% M% e0 X4 m
clear-all-plots
. V0 X$ x- @& N, `, H& H/ x! ~/ I5 M8 X( {+ a# y1 l, y
setup-plot1
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setup-plot20 M5 w& v# Z# V5 L& G. p* K
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setup-plot3* ?5 f" {' D2 X: X& F. D9 W5 z' d
end
) U) f8 C1 F) D4 D) U4 k0 N8 E& E/ o* A, ^( _
;;run time procedures
7 h1 |" p* i I6 x& L7 N5 `
( f/ ^+ b/ _. r1 r# m/ j& b4 kto go
% |1 ~% X4 I& d/ u T, m
! e" e$ w/ y5 dask turtles [do-business]! C3 j! X8 ` P" Y" |6 l
end
( N3 s; R% b7 d9 I
. k7 g- k9 \! R! lto do-business : o e; N3 U. U8 ]7 |
' [3 u, K ?0 _
+ C9 L; w( C2 L* s* |rt random 360$ s% X, r* c$ V1 p6 f. L
# Y5 c4 O/ R% y; u2 K- s( [
fd 1% T" C9 p1 B2 ]! v* @! k
) \( Q7 _: `7 ~7 L9 b, m1 X5 T: S
ifelse(other turtles-here != nobody)[
# _3 z T4 `. j$ S
/ | `4 [: s4 d. j8 G4 L0 L. J% Aset customer one-of other turtles-here/ X1 p a0 s1 i
+ q, S; v% o( ]" {7 k3 Q# z4 M) d
;; set [customer] of customer myself' ?, j0 S: U; N4 m
" J1 V5 T8 w8 X6 q4 W. U5 tset [trade-record-one] of self item (([who] of customer) - 1)
3 N# X" w' k1 a- e[trade-record-all]of self7 J5 f; K, |7 s
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self1 ?9 u7 ~2 _( c6 j" ^- S# P# r
/ {8 B& S9 H" }! p1 C
set [trade-record-one] of customer item (([who] of self) - 1)
8 B9 D4 S6 M( _; P' D' d[trade-record-all]of customer
' `" o2 v2 ?+ z9 S/ x3 V' W4 J! G& y/ K
set [trade-record-one-len] of self length [trade-record-one] of self
; y. m p5 X1 o0 r
3 `6 \. P6 B9 k! i0 R7 v; uset trade-record-current( list (timer) (random money-upper-limit))& G6 ~0 r" [: p) i1 h
U$ A5 n6 K; h# L( `4 xask self [do-trust]
" A+ J' I' g9 P- u1 b: s/ E% ^9 i;;先求i对j的信任度
3 x: G# x, A+ Y, s5 _4 [5 P$ i
1 Y; o+ Y( @1 a7 {" h6 qif ([trust-ok] of self)
$ [5 U/ C( A; S;;根据i对j的信任度来决定是否与j进行交易[# N9 S, [& Q2 x5 R0 F: d& j
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself" Z# K! s. `4 ]- S0 q+ l3 D& Q5 v X
P; h% r r( @3 K5 W) W6 ~1 k
[: v. Q+ S0 M, G$ [) S* ]0 C! ]& l0 z
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do-trade
8 C5 u7 h- u; s9 \ Z" }
& E! J% z/ ^: supdate-credibility-ijl
7 W' Y8 W. }" z8 K' m! w5 {+ `
8 B) H6 z$ f% V- F: j) Pupdate-credibility-list
2 S8 o( D0 j5 J6 w9 k ?" h T) s, ^ z: C
% ?( ~6 Y# }3 t3 \! P ?update-global-reputation-list
, ]; Y5 i: e3 q+ c: T
$ T+ m1 T- k& K Fpoll-class
& A* k6 R) G% t1 f: v( D4 Y% k* t: B( W" {* @( S
get-color$ m/ X* j$ V$ U
( j# ]: G! E; R! O s! M: M% s: Y
]]5 A, i7 g/ q% [- b+ l# n; O# F
: K: j( O- H1 ?8 E/ U9 p;;如果所得的信任度满足条件,则进行交易
7 B J+ W0 p" U$ V+ D' C x1 v
[8 m4 a8 U0 Q' ^ A
J# d0 @9 y1 B8 Z {' vrt random 3603 ] ] t9 p8 k, Y" @+ P1 c
8 ^; m+ D u6 J1 W7 G2 vfd 1
) ?0 L7 t/ m) ?2 i
7 h, n |: f) ?]
( x, q0 e) G$ o
9 _) ~8 A ?$ X0 C& A' send2 i& B) h- k1 \
0 O# V) o" _9 u4 h& d) @& p0 l( jto do-trust
8 U7 E% {- F' i! |! e, m( Sset trust-ok False: ?6 c2 y( t* c
+ Z1 I8 k) S2 L9 N3 S' V* f; y2 E/ r( z1 ?
let max-trade-times 01 G% C' V" {6 _: \5 d. e, U# a: x
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]; J: K3 i$ I6 A$ x$ T; M' N
let max-trade-money 0
9 ]! Q9 L) d% Iforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
2 d; w7 ]0 ]+ W3 N8 R; J/ Slet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))! e( N& g: A, Z O# H' h1 ?$ @+ W. R
& W9 S! t, B% [! t: i& |, N% f0 c. `
get-global-proportion
& Y8 y6 c& ]( Y, jlet trust-value, N1 G& H3 ]4 s' V# B
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)7 K E' t t5 {$ b6 b* u2 \
if(trust-value > trade-trust-value)7 t, y# C& u- z1 g
[set trust-ok true]
4 B$ E1 _4 }" y0 ?+ `. u8 kend
+ @4 M7 K) t3 `! z; x0 H" a2 [4 R# C4 P
to get-global-proportion
& _/ i+ L6 z6 v5 M9 T* C" z' bifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)9 T/ o |, w! l# R' A
[set global-proportion 0]
% @% d* ^" y& D7 w/ b+ J( a[let i 0% L+ Y) H# |# P) Z7 z% |( |
let sum-money 0
. R% J# f' T( F# g" Bwhile[ i < people]( T: ?9 N6 F! n0 x0 \- C" `1 Q5 ]
[ r8 X) w% @0 F; i
if( length (item i$ Q# e% E+ a, M! {
[trade-record-all] of customer) > 3 )2 Y9 Y& u) m' ], _$ b7 X; Y3 Z
[
' @' F) r5 \6 o3 I K# ~set sum-money (sum-money + item 2(item i [trade-record-all] of myself))& }9 x& S0 E5 q9 a; T
]2 a" k$ ~6 o6 A9 N
]) U5 ]( M e0 M
let j 06 H" `. `8 r. m( q; c. }" V( d) ?
let note 0/ y- B! j1 R, O1 _0 \( r
while[ j < people]
/ H/ ?& L& s8 m' U: D& b0 B[0 H4 y$ X, S( d- [9 K
if( length (item i
' A1 h* a' n4 h" w1 |, T; }[trade-record-all] of customer) > 3 )
6 w, e% G) x N# R [[
, p1 H' B, @+ G8 i- q9 S/ z, vifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)/ [, w, @0 S4 t. O
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& `7 x; X- ]0 O. b! _2 V& k( z
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
( g) [* q, Z0 M' P, J4 j, R2 w! g]
. b5 M- ~4 g3 z# Z5 r! u]
# w. F9 S+ \+ e9 I# a- eset global-proportion note* n. e9 t" K" V) }' }$ t* w) s
]
. {/ _; }3 _! g# T' u) I ]; X! Rend3 \' m1 q9 `' p
: h6 Y# B; e* D: J* Bto do-trade3 y$ z X7 U7 V. o9 z, Y
;;这个过程实际上是给双方作出评价的过程
8 ?, q- M! S V9 ^8 H8 o! M$ wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
- f8 t h( z: c0 d1 lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- {% T* b# c" t5 R6 N, l* x
set trade-record-current lput(timer) trade-record-current
9 i7 g+ Y! R7 r;;评价时间3 Q- G- T/ c o2 S0 ~
ask myself [
1 c: V0 x1 A4 f( b% v; Lupdate-local-reputation
7 g% ?. k9 p6 qset trade-record-current lput([local-reputation] of myself) trade-record-current% J' q# P/ L7 x: I) H
]( s, T! X f/ R: r7 J2 A' W' ~
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
- z) ]+ y* n+ @- |7 C0 Z0 z# A;;将此次交易的记录加入到trade-record-one中
4 V6 k" V, a- k& Y, cset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself): V6 A; s) l# V2 n& X( D3 a
let note (item 2 trade-record-current ): d' i5 v; l- R8 ~, ^4 n
set trade-record-current a8 Z C# u( ^8 X6 f
(replace-item 2 trade-record-current (item 3 trade-record-current))" f$ P% D7 W1 N" X) W% j
set trade-record-current
% ` e1 G1 y& N' ^( O ]; C( Z(replace-item 3 trade-record-current note)5 P) }4 z) q2 {! j: l
1 L) }0 S* C! ~
1 L: t: x1 i+ Q0 j7 ^% Eask customer [
- Y: J5 S; R6 b4 f: r6 tupdate-local-reputation- W) c1 V; o# _
set trade-record-current2 H+ S6 v( }: \2 T+ o3 @
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 2 V% s2 m! c6 v2 [* t: F
]$ U6 B9 y: H6 _: u
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9 [, S) ?! l& i; v
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
5 c8 v: U+ q. a" E; T, ]& y- K- r. I& o: o( b
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
& f6 M, q2 i+ j3 a2 G8 j;;将此次交易的记录加入到customer的trade-record-all中
j8 {% z1 r9 H% xend" O3 w+ l/ A1 C7 d; X+ O
. k: O e* B& h) f# K' eto update-local-reputation- I+ y0 T) q" e( j( L# X5 f
set [trade-record-one-len] of myself length [trade-record-one] of myself, {9 R8 ^- M5 J# B4 u. J0 [" U! x
$ O( W! X" d% l9 B0 g/ C" ]+ n+ w$ i9 x: m+ n
;;if [trade-record-one-len] of myself > 3
! o7 H* E6 Z% a1 r& r( a: x9 o0 zupdate-neighbor-total- j% c0 @) ?; b" G4 k5 l* R3 J- s# |
;;更新邻居节点的数目,在此进行1 @, ~( E1 o) ]+ m) F* l# M
let i 3, b6 l A1 N! s- Z' x. c" |
let sum-time 09 C+ q! P- }+ ]
while[i < [trade-record-one-len] of myself] V7 Y0 Q6 W* ]9 H; b$ g; m
[
$ U2 R. f/ K" F s) D8 wset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! I; S$ W( i5 ]& T2 R) Q0 e7 Z. oset i3 E# F$ \6 D7 _8 t
( i + 1)% I+ W. [' j) A* N
]5 `/ l, Z- H. C, a1 U; P2 G
let j 3
6 U2 l Z. f# ?" @let sum-money 0* g* p9 I% S+ R/ r* x
while[j < [trade-record-one-len] of myself]
2 e; N8 ~- n6 |[9 Y7 z1 |, C5 C8 d; M$ Q
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)
& ~' Q6 r" S e; R! e) mset j
+ }; l8 a) {( G# Y( j + 1)
B4 o1 S4 P3 k" {! d( B]0 q$ m/ O1 p% S3 W
let k 3
$ q5 d3 r. }8 \9 zlet power 0
! C3 o% k% {) T; k% qlet local 09 s' F, G* n' z4 s5 E
while [k <[trade-record-one-len] of myself]
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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) & ?! q+ d$ H$ G& r
set k (k + 1)
, g3 Y7 m$ @) U ^3 []
2 h2 p% u6 U* Cset [local-reputation] of myself (local)
; g( R5 ]9 }% E9 L& oend
1 e2 I, L* K4 M! Y% q1 o9 q& {7 [! N/ u2 s( f P
to update-neighbor-total. R7 M! \+ A8 p/ }& S+ Q' g' S
2 m a9 L; M, x3 s8 A) i* K0 Aif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
! x' D$ ~# |$ m- w% c4 E! a( V4 D/ T2 ?$ K$ ?$ _8 z1 e
0 G" H) N7 K) S! M5 q1 Uend
; |9 Y' l) W5 O$ P. y) G$ z, t7 c
# e2 S8 M: s* hto update-credibility-ijl
" }8 K8 R$ o$ y7 V2 ^/ C9 X! N+ `8 T 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。
- B' M* X5 Y ?8 V# I$ ^let l 03 O" G% P& D# u3 ~
while[ l < people ]
( Q7 y8 h, Q: o4 a" c6 `% H" R U* e;;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
' t1 y, W& c& D& w& E[7 p( ^/ \2 Z8 D' `2 r s- C4 O u
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
2 s" V- r' c. T+ @% s8 G- Qif (trade-record-one-j-l-len > 3)3 Y7 I9 G) S# c# j. @5 ^( H
[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
- v. F4 A/ M3 S+ J8 K n8 ~1 vlet i 3
7 x. f ]' Q9 k |9 i1 g# slet sum-time 0
) i9 N; a4 ^, Qwhile[i < trade-record-one-len] I; q* ?5 i( J* ~* ^7 u& c
[
% J* p# G M+ h7 S# l# p. jset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
# L& i) [, v: @* O/ H( Jset i
, }( T) j ]5 s5 ?" `) \/ Z* D( i + 1)8 i3 [4 ]/ C6 f$ |# D1 U
]
9 Y6 F9 Y$ @4 k7 G5 i! j: Nlet credibility-i-j-l 03 n0 B' ?5 U1 D) I+ B: ~1 B
;;i评价(j对jl的评价)
9 p$ x; u6 v; D' P: `6 k% xlet j 3- J K1 V, e4 e3 |
let k 44 ]2 ]1 p: g3 F' F0 D
while[j < trade-record-one-len]) b; x j% L9 J a: R9 |
[
: e: R* z1 M$ [4 o! Nwhile [((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
/ K, v, n2 g; R' U1 u8 X' Qset 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)
1 j/ U2 q. V9 v0 `, eset j) m( \ l. O6 n8 {' k. X# o
( j + 1)! b; m4 N. W( o3 s! N* h" u
]- k( F8 @- V1 o
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 ))+ Z( s1 S* k3 U- F4 y
1 a2 z: ?( o( ^0 [1 `) h. |
9 h1 a! E+ Y5 Qlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
5 {& m! M! ^' L% }1 I/ T- r;;及时更新i对l的评价质量的评价% f( `' g; u* b- B7 D
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]3 h1 w7 I J6 i
set l (l + 1)
0 O: N5 v I0 T w" S]+ [9 \% d% `" g
end
7 S/ h0 f. t' i( k0 Y* p0 L/ v( X0 v1 B& S) Z
to update-credibility-list- f! R! q2 b9 D# [. M
let i 0
/ \9 L* V' b" e& Pwhile[i < people]4 g' u5 ~' Q! c
[# q/ w, K$ u' E- a( e# ]* l
let j 0
& P7 D) x/ Y" Flet note 03 X! q2 f9 E7 Z9 u6 I8 T
let k 0; a+ V# r5 c' @8 _
;;计作出过评价的邻居节点的数目
! q! y8 o0 Y0 ?( rwhile[j < people]
O1 |6 P/ v5 [! v2 v% |[
( P% B! m4 [ S( k0 }if (item j( [credibility] of turtle (i + 1)) != -1)" b' U3 [6 {7 G3 Q0 r' t+ e7 y2 s
;;判断是否给本turtle的评价质量做出过评价的节点
& g4 Z8 Y K% z[set note (note + item j ([credibility]of turtle (i + 1))). \! V* K% g( ` X; J
;;*(exp (-(people - 2)))/(people - 2))]9 O6 z7 w8 a: g( w/ N% z3 B) v
set k (k + 1)
9 p! C* C: g; Y]
6 q5 u1 i$ a! ^+ C+ Hset j (j + 1) J- g: r; r& ]% {$ J$ c
]
- w' i! c9 h7 sset note (note *(exp (- (1 / k)))/ k)) @7 {- \- U$ ^6 \9 E9 C
set credibility-list (replace-item i credibility-list note)
- b: {8 L! v, Tset i (i + 1)& M5 X" Y+ Q* n. `' l9 _, b
]
( ~& m3 ^8 d6 ~+ o; R. B2 Hend! I4 O2 P9 P6 r" O" e$ _
" o& @7 l# t* E0 g- y( Qto update-global-reputation-list
, G$ U9 c) C2 I+ e4 \. _. |let j 0- u. K, ~# a" h7 p/ p% U; [. q
while[j < people]9 |: | j$ | v6 P: L2 V( E
[- @! F6 H5 e# u2 t
let new 0
3 j/ U8 }! T/ B. W6 e;;暂存新的一个全局声誉9 w1 ~. D3 t/ q! `7 \
let i 0; M% T0 S1 L& o9 ]% C; ^) I5 k/ S$ m
let sum-money 0: `# s6 o7 z" y+ \5 g
let credibility-money 0
; n( @9 A$ \* Z* F6 v9 owhile [i < people]- a3 B5 W3 d% t% N* I: J; Z
[0 K& q0 F. V& C" H
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
. V4 D0 x9 h; v" {9 b) Z7 rset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
; J+ e& o% Z9 G: f7 g. Kset i (i + 1)
* |- a3 H' ?" D, N]( P) z! j( i: Y3 K! S3 U
let k 0
0 D: k H0 o$ |* G: Mlet new1 0, x& S `9 J# V+ i, p5 i$ n% e
while [k < people]9 b- W% h& M( m/ ~( q0 ^1 I
[ M9 H0 s! g: K( m
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)
- D" S! r# q6 S! H6 z; V+ cset k (k + 1), _! a" c# D. T
]
) e- q W% Q: Fset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) " `6 W" |) O+ [$ i {) a( V
set global-reputation-list (replace-item j global-reputation-list new)( [7 X. e# k5 C8 @ {
set j (j + 1)
* p3 [0 ~6 [& h: W: W, ?]: r T& c. K' W9 o2 Z' F6 m
end7 v4 `8 n, P# C- a+ `, `
* w% X; P) N k; i' q* j8 f5 @6 N
9 p$ k6 @& h: f" t9 l) U+ h6 V0 V
" g2 T3 Q5 T/ \& M
to get-color. b4 |: R$ ?$ c0 }5 D- h
+ S9 B$ B" b( h; O" B5 H7 y7 N$ c0 k
set color blue. ^8 n- H7 K8 R- A& a$ j
end
1 v& Z5 |. k y" F9 |9 {, o/ e" {
2 g. w4 i& ~# p1 Z( s! Mto poll-class" \3 Y& S6 x: i+ Q4 ?, |, R
end1 W2 w1 v/ |/ `& J$ b
; h) N" X8 Z4 o( E
to setup-plot1
: _ j, y: t. t% G
j6 j, `$ ^3 d: T0 f8 K8 fset-current-plot "Trends-of-Local-reputation"
, L* c/ z# A- D& Z
7 s3 m3 J& }" [* z) O, Mset-plot-x-range 0 xmax, e+ T! E" y6 Z8 r( A, Y
2 N2 ?; N1 ~- A4 Bset-plot-y-range 0.0 ymax
# ~/ X5 Y, u8 x: lend; b* i( p1 p0 R: D Y& p
" f9 S0 S: A5 C3 L7 ^8 ~. Q' Rto setup-plot2
+ Y9 }- p4 S( n- I, t( [7 k
: v+ J8 P9 N, o s( Oset-current-plot "Trends-of-global-reputation"
# I5 j& @) w# b# T1 h, C* S; I
$ Z ]4 U* j3 n! O' Hset-plot-x-range 0 xmax
. a/ R0 z8 {5 i0 C/ h, X3 C/ @& [5 Y2 r3 ]3 l8 n
set-plot-y-range 0.0 ymax& {7 O. ^# {, k1 J+ {
end
; k C8 A5 U& z8 O: C& S7 \
' \: P$ v' |% |& ~: K0 |1 Fto setup-plot36 x* o s' v. ~) K: X
' r) g3 P7 v, ]! o9 wset-current-plot "Trends-of-credibility"
! ]" K9 B% o/ L' j3 h0 y1 y7 T6 L' b7 O
set-plot-x-range 0 xmax
- D/ ~* T6 Q$ ^3 j- f
/ R' y0 V, o2 Z7 ]7 F) r1 ]set-plot-y-range 0.0 ymax
3 L; i& e0 l3 B6 @, Oend
9 D1 p% X. R4 M
/ X# N+ M# ?- k6 r: i" o3 @to do-plots
) g4 z' W8 h9 @% L* i3 I* \2 uset-current-plot "Trends-of-Local-reputation"
% O0 [$ i, D( |# r- \2 e* fset-current-plot-pen "Honest service"
* T4 w4 o9 ^4 ^9 x7 F" Hend
# l7 q" ~/ S! R( j
+ L& ~& }) t( g# t2 o) u[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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