|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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/ O! N' \* Y: k' c- A; l$ a9 k$ k
globals[7 k% P, d, I% y: U6 _/ ?* h4 J9 T% t
xmax6 `! j3 s# r; T( }. L& ~$ k
ymax
/ q& ~7 J# N. T- o4 d3 Rglobal-reputation-list; }% A; p# n; H4 M
$ V: Q4 G; B: N7 a;;每一个turtle的全局声誉都存在此LIST中
' d3 I" m: l9 X* m! jcredibility-list
/ h3 a, O: r& C4 t* B% N;;每一个turtle的评价可信度
( }' Z* B1 G U, _honest-service2 T8 l1 k& B) F0 I7 o/ k& Q" ?
unhonest-service# R. C, n3 ?2 r M- t! _% ~6 {
oscillation
a7 v4 t* u: T5 i! P8 grand-dynamic
' R( S: t z* `3 `- n, S7 d& m]
6 U5 {6 l. y/ {0 s4 p2 ^9 }
7 U/ V! W5 d' C Z e0 F0 ~) Sturtles-own[1 I" f) h8 B( z3 X. d, E
trade-record-all
* j1 z S0 F* I;;a list of lists,由trade-record-one组成
1 \" ]$ M6 ]+ |9 U2 Ktrade-record-one: @" P* {3 V) l1 k
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录9 T7 R2 C7 I% }) C5 u# r' m/ z
- e0 G& o+ \+ [ G+ {5 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 @7 r/ J$ |! @, Htrade-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]
# ^9 E( U m2 k# tcredibility-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
& F+ d5 v" V4 x Fneighbor-total" {. ~7 i& c- q* A. Z; v% ^# N6 P r
;;记录该turtle的邻居节点的数目
2 Y6 B2 D# S t8 a( C5 V! Ktrade-time
6 W. u2 B" Q: T1 Q( U;;当前发生交易的turtle的交易时间1 c0 j" s" f$ c, ?
appraise-give3 F: q0 E2 U, x( B- t$ z3 ^* H0 m7 d" z
;;当前发生交易时给出的评价6 V$ x! Z1 C/ ?8 e5 ?! [' C5 [/ }8 f
appraise-receive& q6 L0 r$ \) z& W0 W+ k& h0 W5 i
;;当前发生交易时收到的评价$ n Q* a) C2 s F4 V) _3 ]" D2 r
appraise-time6 ^+ D6 Y9 p+ b& y6 q
;;当前发生交易时的评价时间1 Z" B8 S# L# O
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
. G& w* r8 E% d' W' d8 Z5 j0 @trade-times-total6 ^4 f! B8 o; N6 J# P
;;与当前turtle的交易总次数
( f6 C' \, W# j8 o; Ptrade-money-total
6 c8 \) K; Y3 Q% G;;与当前turtle的交易总金额
0 G2 N$ R: O- t. alocal-reputation
$ N* A1 G* q! Cglobal-reputation
$ _ x0 o* N+ T: R* u2 U1 T, N$ ]credibility
5 g% K+ e$ ]2 E# q. t0 s;;评价可信度,每次交易后都需要更新
2 s3 z- c$ B$ R! L6 Q7 b9 ]7 W% V. ycredibility-all
# z# C/ z% ?: x# d" V) m;;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
3 V2 d& _: ?1 f& |% r* W* ?) @& U' q7 K* h5 X8 x9 b
;;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
* p! x9 ?, q" _% ]2 o+ B% |credibility-one6 t$ t9 V& I2 q# e8 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
5 d! ~* m$ p1 @, t* A; [global-proportion. q% j1 h% {1 n
customer
" O" O! X! G9 j! }8 \9 ^customer-no2 n8 ~5 K9 p6 L8 i% \; U3 Y& F
trust-ok
( i2 F! N; }* K1 g3 r4 ?trade-record-one-len;;trade-record-one的长度8 y, n5 N8 p6 P) y
]* g2 j, M+ h+ D7 F0 L5 x$ a$ k% T
* [3 ~0 c( n# A" ?/ B9 P1 r;;setup procedure
8 D# K& D2 ]+ E' ~ B2 o0 R8 O" O& K' V. C: m
to setup
( s9 ]2 v& A$ V0 L: ~9 l
4 J% _* v; u* T9 |0 Y$ |ca+ t! j' i3 A0 `! {. D3 I
8 t& o6 K4 j( T' [# t# minitialize-settings. w& @0 W$ K0 i% u) v9 i+ v5 U
: j7 e% v9 H" R; L0 W: Q9 ~7 }
crt people [setup-turtles]0 V2 B: W1 [; J+ z
: Q0 w3 C0 W# q- Z% F5 p0 z
reset-timer* q( ~# z7 j: b- `+ O
* y' Q& D3 H& n2 f
poll-class0 l' I1 ^: F1 t* j& i
" w& T x0 A# Q" c" {2 q7 Z/ X: J
setup-plots- e- i' w8 E+ R' H
|" X4 N: Z3 D. j$ W6 ^do-plots6 S& G$ j# X1 V$ W8 f
end
2 _# C$ w' @; X) f. Z9 o2 ]5 H4 c/ b4 b
to initialize-settings
: V, b' K( N2 `) I5 {
R( b4 N! E6 f. X. C$ J0 l6 aset global-reputation-list []
, C, U- {: q; V5 o" f! Y
" f# }9 ]4 H3 _$ f1 m0 Lset credibility-list n-values people [0.5]* x, P6 }! N6 L) L( O
! r0 L b: G; zset honest-service 0
5 ]* q. D5 o: Y; I) u8 _1 U& n% r* M, E
set unhonest-service 09 t v3 C, W; ?" z) Q4 P
" P( i. ]) ?2 f
set oscillation 0
$ z! o, ^# f d3 L3 c. B
" A* _1 g) [) vset rand-dynamic 0
& g9 c0 E1 e6 Y# Q6 w6 H4 Yend
9 z+ p' V, b3 @: U4 Y! o6 Z' }* ]
to setup-turtles - N! X, C' e2 t; b& A
set shape "person"2 M+ W5 L* Y+ j! A0 m0 r
setxy random-xcor random-ycor
7 U; d2 C9 Y9 w8 e3 dset trade-record-one []
# s; b5 c3 w) q& J/ ~$ v4 n. x
set trade-record-all n-values people [(list (? + 1) 0 0)] 2 a' [( J+ s3 r$ Q) E( J
* G6 j+ x& x& y) T. _0 R& q* H
set trade-record-current [] Q9 D) ]- r2 Y
set credibility-receive []: [ U- i3 f6 O; D
set local-reputation 0.5
$ Y- \3 @4 h4 n' tset neighbor-total 0/ U; @/ j( {- h0 g% D$ b
set trade-times-total 05 {2 y! [, @. C! i( h: s) b
set trade-money-total 0
* {$ z' ]1 J. W# T- B G6 qset customer nobody; s' a, v4 G: _' ^
set credibility-all n-values people [creat-credibility]
! B0 \% x) H- b+ bset credibility n-values people [-1]# k+ ?) N! {" |" Z1 E
get-color
: ~6 o5 c# B. K. @
2 |- n; J( l) _; w: `: ]end
b2 ~+ Y5 u& r! ^3 p
+ J( i" `2 q8 C0 N0 t. H+ yto-report creat-credibility% A7 G4 E( M8 C, h8 D2 e E
report n-values people [0.5]; k% l L4 f0 X( ~0 [
end
! ^6 P- O z% w, B3 j5 m5 S7 k P8 }. r; K: \* N- R
to setup-plots
( z$ w2 s. H0 c0 z+ r8 _! J9 d
/ n/ O4 \9 M' }" b$ ], [( Rset xmax 302 w' K7 u* Z/ a5 f8 [
! I) n% ^! D; k3 `5 b
set ymax 1.0
. W+ m4 _2 d: x1 @/ `4 w( [
0 E3 `& A3 a) rclear-all-plots1 f5 T+ a/ q: s) a
( a3 y P" _" l2 h* Ssetup-plot1& a( h1 X( X! D; P$ r
: X9 R+ ^: t8 p; O4 j) W6 J# ]* c
setup-plot2' x9 ]/ [4 y: V8 Q& O% }* D
3 L0 [; g1 G5 Hsetup-plot3* g2 K+ m: N8 {6 S, ^( c
end0 h4 v) L, s! p7 G6 G7 x* v
, t; C. o7 D4 H3 D0 t8 Y$ m
;;run time procedures3 X. m" w: B7 S
, [' |2 T+ D! X2 tto go
6 b* H" {9 H: j, m: F: W0 O
6 o t( G/ k9 sask turtles [do-business]: L* n: Q. _7 q, I9 Z/ e; |6 `, n0 F
end9 M/ G. S# \/ y
9 C0 X% H5 i( H% w9 Ito do-business : k! @3 O( Q; r$ O- C' S' i
# \4 O5 ~, X- w( x3 T
/ z6 u0 Q& R) t1 Q
rt random 3606 f3 u! t8 a2 r @9 u8 \0 _! ]
4 A* e, I! _8 ~+ X3 C9 d" n. ~
fd 1
: ^9 A' J: {- O: p, |9 Y; C% ?& j6 T6 |. f- x' t& _
ifelse(other turtles-here != nobody)[
0 y' V+ K% \+ H" u
+ O5 z4 N" _- ~8 ^set customer one-of other turtles-here* Y- } f. ]: u" O% y
R3 e& ~2 b. P# o
;; set [customer] of customer myself0 g6 _8 n, L8 w. }8 b5 H* J: b
j6 E t" M- k! x i1 jset [trade-record-one] of self item (([who] of customer) - 1)
* @: s+ r# G1 N1 u) e) A/ ~[trade-record-all]of self& }1 L' I5 d: Z+ i
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
9 P! v# w U; M: Z' D2 O- M0 `8 [* R: M, B5 u$ m! {
set [trade-record-one] of customer item (([who] of self) - 1)3 J6 j( E6 g0 J' H# R8 b$ l
[trade-record-all]of customer
' {4 ^. a5 u- [1 ^
( M- j9 N& v7 H* ~( pset [trade-record-one-len] of self length [trade-record-one] of self* S; s- R9 d+ l0 R
( v# x1 W8 H, k- {) O
set trade-record-current( list (timer) (random money-upper-limit))* T K2 E: [- k/ U. t% K
" m( F6 N8 D/ r/ k7 R/ w% [ask self [do-trust]8 |* z6 d8 `$ M/ }, Y; v5 U
;;先求i对j的信任度
) {7 N- F* Y2 K6 l0 `! q* |+ n5 l2 d6 r7 z4 `
if ([trust-ok] of self)
: s- K! x5 g) r/ o* s" m;;根据i对j的信任度来决定是否与j进行交易[4 N" {% K3 I9 b8 I
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
! m6 x& f2 R4 Y/ Q/ ~! v
4 l" y9 V3 E' _6 V4 K[
4 B" M; M& p7 [+ f: o5 h" h/ Q: _' }) F$ g1 L1 g) L5 [4 _; H
do-trade/ R3 }. U& q5 J+ [" Z
3 f' h# a5 h6 E5 X& ^& V, Qupdate-credibility-ijl
/ k# [) {' _* D
5 G1 `) @% j- M7 ^+ \update-credibility-list% C9 K G9 e2 Y4 N/ s2 v) j- E
5 A$ W& c6 f+ j( v
7 }# s& E7 H; F% g& a+ [8 p- M( m
update-global-reputation-list0 O$ \% p1 \9 C+ t0 Q
2 `' n6 b i; S+ Y
poll-class
+ c" f, j; x) k" h* c! b# a3 E" f- z6 y3 A/ w$ e
get-color
1 ]" k* P C x6 a
. B; F/ R* O( w. S# n( N! \) R]]
0 B% a5 u2 w% h6 e; Y1 [* U: A! }4 q' y; k6 W
;;如果所得的信任度满足条件,则进行交易6 }/ R6 D+ ]( T# m1 Y
- _# c1 @; ]) }) O: b0 s) Y[" ~+ L `2 Y1 z, `
% j7 n1 a) {. k& x5 t: g/ P* drt random 3608 @# z5 e9 N/ \1 R4 Z) c
# P! [- p0 E8 wfd 1
1 T/ o* e+ y! z: t; l+ b
5 W- R8 ?- ^! |* }1 z9 d9 `" b$ D]
% _; A% u" [& E9 I1 W) y- W9 a/ N2 y& t: I
end
Z: U. l& Q7 w: S: c. T2 l: U" C" w# F. p/ r
to do-trust
+ [. u5 S" n% h$ [3 nset trust-ok False
$ {9 U: @0 m" d/ f! [. i B, N: x1 H9 G; j" s7 i0 T
8 A4 ~. Z" j$ S) Z& Y; ?4 Jlet max-trade-times 0
+ j+ R" X$ G: {- qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
2 s: n/ k- A1 R, Tlet max-trade-money 06 s: H/ z$ M9 t# j0 y- l
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
) @8 |! ^: v8 Y9 Q0 T8 ^let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
1 t* L& O9 D6 E4 b4 N/ D3 U: L% T9 ^/ B/ S/ |
' ^ ~! {+ g4 T' T7 W
get-global-proportion
9 J/ p/ L* v" h" M. Y7 blet trust-value
9 s6 K8 O6 `5 V! V t, Jlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
( k# O4 x/ _/ K* m7 X! Nif(trust-value > trade-trust-value)
9 F6 x: |# O- N5 R; M% M, A9 |[set trust-ok true]5 C5 S9 }) x( Z+ J1 X3 j
end6 a& C# L) m' c
" y' L) x( p1 i0 y6 t2 K
to get-global-proportion8 m, T4 w( y( t: Y
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: i7 M& \) p6 Y a& c/ K8 ][set global-proportion 0]
0 U3 [% _9 G6 l' c6 ~[let i 0
4 B( m9 E5 X% L- A+ t: blet sum-money 0
/ J% M+ Z: s* b( L; i9 ~while[ i < people]- C2 |) m( i6 D* }+ n9 D3 }
[5 _* ]" q* l( K# }: T! |) B- R
if( length (item i
9 w3 n6 v! H- U7 g: p[trade-record-all] of customer) > 3 ) d" M6 ?7 J* U+ i) T
[8 r4 r Q+ B$ Y3 a
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))8 y8 Y, i. L- J+ \" N9 {0 {
]% R/ C- P6 T) D/ y3 ~; F
]) }; n* H% H, G$ f$ f
let j 0
* C! [% v0 b# h- ulet note 0
& @( N/ f5 Q7 @; B; w" g/ O: K# d# Nwhile[ j < people]7 e' I4 t% x, h" k8 _
[
1 {9 G& s7 Z; x( G7 Tif( length (item i# N$ ~$ }9 @( ~
[trade-record-all] of customer) > 3 )
2 h1 @! z2 C; {3 R[' c' j8 {: K7 l, p5 \+ g/ M
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
8 g1 z& z" z: [/ t# H: v[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]8 l& g# s: ~6 G5 p
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]' W& `) J- F8 z8 X9 P& Y. _
]3 _% W% S" r5 _' A5 {4 |
]
# q! Z7 h7 I8 z3 N) l1 G) E4 ?0 K; z Y8 `set global-proportion note
) j; m) b1 l' L* L; d5 E( G]
1 j+ \5 p: U8 r) W }end
( w& u& F4 c9 X# C6 L
$ \! u( O* c. L* uto do-trade& N2 d% Y1 j, h& i4 l
;;这个过程实际上是给双方作出评价的过程# b6 j, x0 b9 J8 r4 k
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价( y( [2 L& T3 ?7 o" V
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价$ I v/ N! U& N+ D
set trade-record-current lput(timer) trade-record-current- ]) b& X4 G Y) L5 ~
;;评价时间
, @& r; e* G, A5 task myself [
, X6 x. p5 N4 C) c' s9 T/ ]* {: s" Aupdate-local-reputation& q3 x0 d( A* ]4 f/ v; u' K& m( e
set trade-record-current lput([local-reputation] of myself) trade-record-current
& H$ X5 c$ h- W3 `3 G+ _9 ?. x]
0 s: k3 H. E$ u! r! D. b3 i) cset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 j' L8 B- Q( B# |8 g;;将此次交易的记录加入到trade-record-one中& E0 ]) R- O9 c- H. R3 [
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
, G0 q& h7 Q" b$ d! D Flet note (item 2 trade-record-current )0 U8 p! a2 w+ a- l5 z- f' \6 t
set trade-record-current
3 r# h& t& {2 R9 W; V(replace-item 2 trade-record-current (item 3 trade-record-current)); K8 u- R0 S$ l/ c; ?
set trade-record-current2 f. \% v; l: S, d, g
(replace-item 3 trade-record-current note)1 J" N) q0 C' w% U8 Z; [
. F/ G' E, t) B; h# j# h$ q; S5 k3 n
ask customer [3 s, _& b8 `" ]# E& D. G/ Z
update-local-reputation* n; ^9 d5 a* U" Q* ^
set trade-record-current) g: \' B) ^$ O: M
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
( k/ ~7 n: Q4 ]" Y4 _$ m2 q]
( _$ _. ^/ p. k2 L0 u+ [( z$ {) S6 C( S3 x; ]8 R! f* J
' V7 J6 y9 x+ F* y* ^7 C( V4 u/ X( X+ Sset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
+ X5 y) H& e" [( u& o4 {; V
, i; a0 }1 f4 Z( Z/ |. w% `/ Qset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
/ D+ T4 e% \$ u, X;;将此次交易的记录加入到customer的trade-record-all中4 \) ~9 J0 a6 f9 T8 |3 R# j& r7 v
end
) P, E, Z0 T$ L5 R9 C
! h3 O) ?6 ?& S$ q/ K$ ]to update-local-reputation) t& n' H" v+ `8 e* q. L
set [trade-record-one-len] of myself length [trade-record-one] of myself6 D3 `/ U9 j- |$ e* e4 f* Q, {9 B% ^
9 ^5 Q* }& q" Q* ^$ E/ K# G8 ?2 Q: d8 K
;;if [trade-record-one-len] of myself > 3 / T( S1 b5 }4 j0 J
update-neighbor-total5 C5 I! q8 Z- u* }+ L
;;更新邻居节点的数目,在此进行
% P" U2 O" @& }' C* A6 _$ ?let i 38 m) S+ ^3 ?& [* X% m* T) K; B
let sum-time 0
( m- b) y! N$ c& k# awhile[i < [trade-record-one-len] of myself]7 c' U3 |, V/ ]4 f) U
[! L. v/ |; Q7 \- A; v" R! \8 q% F
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )& {9 Z: ?4 U7 J0 m2 a
set i+ ~; D: N0 t4 d9 @, z0 V: N3 k. K/ [
( i + 1)& D" R, Y& D7 J: S4 z( R
]
9 W6 h y G0 M& b- h6 Tlet j 39 s7 y" R& m2 ^( Q" I& D6 \
let sum-money 0
- I6 Z$ e- q# w) ~/ q1 H* M' B) v K1 [while[j < [trade-record-one-len] of myself]# O, g5 Q/ A. S8 C9 |8 w- T9 r
[
4 \# _7 d6 z2 w9 \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)
3 a1 r1 B; n1 D4 Q. xset j% j. S0 o, l' I, \
( j + 1)
! T. y/ l, C. p]3 y6 t+ h- s1 \8 s1 Y" m/ C
let k 3
$ i) l) ^* M) y" K7 Y! O: H( Olet power 0+ s7 u9 |+ S3 m, V! P0 D# C' I. u6 g
let local 0
+ ~+ D2 \& f' i% i+ @6 iwhile [k <[trade-record-one-len] of myself]6 X" a9 | ?% x9 z
[) [2 [3 Q/ q% ]" O& N2 B
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)
* } Y c: b( B* {set k (k + 1)
* X, ^! W6 P5 c) J5 ^* n]" b) d+ D2 b, y. Q
set [local-reputation] of myself (local)
8 C- w2 M0 {* a# vend9 k% h) d7 D9 {' ?- \. H
3 C: g( W5 @) j2 ]6 c9 B9 D% [
to update-neighbor-total6 b y7 G7 s* X% _6 P3 U
5 Z3 w# Q' \3 u# ?0 N" e! H7 v
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
7 n$ Y1 T+ e& R. _& l# b5 U8 c* w1 ]( V; A7 o; E6 l* @
' K- d# G( h) Y8 _. I; u& gend1 E8 F5 p# G! m7 C3 }/ E6 Q
+ _8 V2 Y: Q/ D, Dto update-credibility-ijl & ~5 `" D5 Q( E; b, _ \
$ C5 \% x+ v( B;;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。: m0 P) t2 O# ~' G& U; P# `
let l 0
1 z' j- u% M, v. i) Q- r% Vwhile[ l < people ]7 C% ]8 \% ~! q( m: S: {
;;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' T: e% U w% Z
[
- l# X$ G% V2 q+ Elet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
& m/ z7 w0 S1 P; }: a3 y$ o* j* eif (trade-record-one-j-l-len > 3)
- V" k$ {* j, M* Q- N; i7 b/ 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-one2 T8 V+ S, i0 r3 [
let i 3
w( s J. h! X4 Y; |" Olet sum-time 0 w1 R) s. y) U9 u6 z3 j
while[i < trade-record-one-len]
m5 b( @) @# X2 Q1 z) C8 f( g; B[" S2 K6 K5 V- _+ _# O
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ); d1 N g# W1 I, S% K7 H9 C/ q4 z9 @
set i* {& i! l, }3 l: Z! _
( i + 1)9 M7 g+ V# T% A# @
]
5 N& x2 p3 h) _+ l, m4 i7 Glet credibility-i-j-l 0
! y j0 x0 w" S. L- w0 e;;i评价(j对jl的评价): E' v* c2 o& \# u- D5 N
let j 3
2 c1 m4 {+ f+ _) A% blet k 4; a& z6 _, k' j4 z# W0 c
while[j < trade-record-one-len]
1 l) ~0 F) D# P8 w- v5 ?" L[
. ] E2 @8 g" A3 O1 B6 T" L4 Owhile [((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 L! P' j, e: G; h& U. {4 ~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 V8 Z" N' Q2 O1 k
set j" G2 U) }# _1 h; k
( j + 1)
% W6 M& a: l% J1 I) d]* K- `9 ~# |) u( ]" F3 Q P
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 ))* ?. {; x+ r" e( b" [9 y1 P
9 W8 a% Q% N' r0 H6 I7 g. R
: m6 n6 n7 x3 G( s) W# l/ vlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
) |1 \. X4 I7 ?% m+ Q' J;;及时更新i对l的评价质量的评价
; Y; H4 D. q: ^set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ], S( Z C, R7 ?: l! s8 s
set l (l + 1)
; n, V* C3 a- H, I n W, D]
5 r: c9 t% ~7 m" x* [end
# ^ P, I, \/ \: I7 ^- x2 n% y( n& y% x! }# }( a9 }
to update-credibility-list* m4 [$ p. e( s+ r/ _" I% k) J* N
let i 0
4 t9 E* G7 B% dwhile[i < people]4 |5 |& R y" N
[) v0 c3 i: Z- r- X \# S
let j 0
9 e: H. H8 H @6 f+ p0 Glet note 0% c. S1 k3 \' q8 ]. E+ Y
let k 0
2 J& t, S1 Q+ D# H, T. `; Z7 S;;计作出过评价的邻居节点的数目9 T. Q( E4 o$ m& u- w& [
while[j < people]
* f, t( h) Z$ Z, v9 Y5 e& {7 V [[
: g$ y% J; a2 M) C% Rif (item j( [credibility] of turtle (i + 1)) != -1)
% \9 W+ p* ~* T3 X1 E;;判断是否给本turtle的评价质量做出过评价的节点
( V8 c* t. K6 \% o3 d$ j4 o. X[set note (note + item j ([credibility]of turtle (i + 1)))! h5 H" N- ?- @; V2 d6 S8 Y% s$ j
;;*(exp (-(people - 2)))/(people - 2))]( A, O; W X1 C; E: H4 m: Q1 q1 i
set k (k + 1)
! i8 Q" K e' g( i' e+ |]
3 \( }5 b/ {+ [- xset j (j + 1)
8 N4 x a* u/ }1 W]1 @# s% P0 p& u- P+ V8 F
set note (note *(exp (- (1 / k)))/ k)+ |3 Z- |% E+ I5 t/ ?
set credibility-list (replace-item i credibility-list note), ?& O1 } e4 U9 G, s" \4 x3 p5 s
set i (i + 1)
1 _: @6 B$ w5 Y V]
/ J( _9 U) p( I/ W5 o5 I1 n1 Uend) L, d6 `+ K5 f a4 P
- m: `: @' P8 T- w; x8 B4 \to update-global-reputation-list
) h$ h0 F/ P9 {5 i6 _8 z3 G/ E) tlet j 0
8 R. m0 h' o% M3 T& twhile[j < people]
4 w7 O" o7 T2 B- C) s[0 ?" T) N' X# k$ T' z6 \
let new 0
2 ^$ Z. M4 Y5 I" T7 Y9 [, p( ^. G;;暂存新的一个全局声誉
* n* e' W6 J3 |let i 0( C) Z6 q, O0 ~4 w+ _3 U) s2 R
let sum-money 01 L! C% q2 f" {, j; t7 I" K1 g
let credibility-money 0* O; p* A& j1 {
while [i < people]6 B0 v- g+ k. e5 G$ F
[
% h. i, p4 U5 `set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
3 A1 F) f$ i" M( A) u* A' y! gset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))! X+ \: e8 C2 D% d7 c8 e& _- ?
set i (i + 1)2 Z1 O2 n, i) F* M
]
2 J$ M9 ?* H2 W) Glet k 0( Y' x/ C2 K: s5 c% l0 ?$ P5 ?
let new1 0. h% R! @' h+ K i
while [k < people]
- _5 ?1 \$ J3 Z& b. {/ Y& a g[
' ^. H% F) Y6 J; \3 t1 Sset 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)
/ R5 R: `9 c0 y s2 ]set k (k + 1)/ C0 a& O: k, d W; Y9 s) B3 B
]$ L2 C3 j) x N! `4 D- h1 N
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
* B4 m8 q7 W9 j, R5 Y' Qset global-reputation-list (replace-item j global-reputation-list new)
7 b2 @" C% a/ nset j (j + 1)
! [0 `9 G) o# L; c) F4 O9 U: c]
7 e6 V' B: [9 z2 k5 ~end
R+ A9 T1 H, _% X* L2 o$ P, ~
/ c; I! F+ T' Z$ N u* i O" w4 r6 \' i" v% o
O" Y& {' ]& U7 Q) z7 ~, I
to get-color
8 ?9 t" O. x4 [, g
2 k9 a* z7 W8 Gset color blue
3 ~( r$ d& Q3 a3 Z8 T L+ C U# Mend1 W! y! G- @( ^" {, @& I# v$ u
* j7 t+ L/ [$ \* qto poll-class
# Y+ Y' `# A( ~end7 n# }5 X9 _. k* b* H- j! D5 p* W
2 y j% Y# n2 {# X( _7 E: ^: Pto setup-plot1
" t) C; w0 `1 Y S! ` g; G4 Z% Z9 D& h9 j& J2 B {) K* x) Q+ {' Z
set-current-plot "Trends-of-Local-reputation"
: ? k; [ c1 E! G) G1 f+ u1 V6 I) o
3 U3 G9 n9 v( B0 @& Nset-plot-x-range 0 xmax
7 g% N% Q0 g* T! b! H- `
% b+ b# {0 E D$ aset-plot-y-range 0.0 ymax! p% ^/ z) O5 t" f$ }6 _: k# @- K
end
2 z8 H: G- p4 d6 Z
# Q% d8 A$ x" r, e; R& N+ e+ D1 V$ xto setup-plot2- U. |4 J, y/ n( `/ \/ m
1 s) f$ C/ t9 S% Nset-current-plot "Trends-of-global-reputation"7 ]8 G3 y( J: @; ]" G! J
$ \3 t- C* v6 c! V- h: E
set-plot-x-range 0 xmax
, F* ~2 D* m/ g4 o/ y! Y, d3 C4 A4 q& f
set-plot-y-range 0.0 ymax+ s9 x& Q) P0 }3 j9 M0 ]* b% k' J
end
: y/ f1 I; E& K. R* }, t8 l6 ]& _6 e+ O- o& F& q
to setup-plot3
9 }7 x9 a m6 l. \- N: I, N& J4 e
set-current-plot "Trends-of-credibility"
6 X# h3 e6 } {" b3 K! u3 {9 R6 d
set-plot-x-range 0 xmax
# Z5 ^. G. w6 k; h- l1 P+ ~
) S& X% o8 M3 m s7 L# ?6 f, wset-plot-y-range 0.0 ymax$ t; j$ P: V7 I% y. N; y( |$ C: p
end, \/ Q& D$ L3 U: j7 H1 p
z1 ^% j' J& o. B) b: G0 }4 R
to do-plots( p, H! _2 d; H+ M0 L
set-current-plot "Trends-of-Local-reputation": L% }3 p6 _3 c# w" R4 @
set-current-plot-pen "Honest service"" m: ]6 f! ~: e0 n. }- A
end
* Y+ c! r9 p9 U$ Q, d/ a8 @1 q% ^5 Z" C. H- r
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|