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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
: O. N9 R+ i0 B/ Mglobals[
. f& h0 ?# V; @. R1 l' I1 F1 L' b3 Wxmax& g( a( B' A/ F; r- P. d
ymax8 U& h2 r( J/ V: F
global-reputation-list
1 j" P, h: n% B2 s* d; ~" [7 C J& z# J
;;每一个turtle的全局声誉都存在此LIST中
5 h7 L4 E+ Z4 @# C2 F6 Zcredibility-list' r& r/ y$ g( c- k) D- m0 g& S) s
;;每一个turtle的评价可信度( \, S# R. c, f' X
honest-service
, i! @, I' u1 m& {+ v: m/ \unhonest-service9 v/ y+ O2 g; g! n# G
oscillation" r1 |6 [: j) b) X; h/ S
rand-dynamic
4 E/ K* ^5 Y2 L1 X# S( |+ Z& A, N1 q]
; G1 w. d$ H# ^
5 ~! i+ y0 l5 a" W3 {. Lturtles-own[1 y1 g. i* p& [, n
trade-record-all
, @! d" }# A5 ]' P/ g9 h, R5 I;;a list of lists,由trade-record-one组成
7 A, l- O5 A6 f' Rtrade-record-one
( D$ W# v4 f% `% t4 u5 k# L;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
& ?2 u1 P: ?5 R; e5 u3 b2 U( D$ p5 u; m6 Z# }9 K( c
;;[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]]2 ^, @- S' r3 @0 @
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]4 `% O$ q# I, a( e7 R6 z2 G7 v" H
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
% a0 \/ C8 r$ [7 ^/ | X6 r0 lneighbor-total4 Z s) p$ Y- p9 U' z; `
;;记录该turtle的邻居节点的数目/ N" C, p% K7 |
trade-time
h: [3 x- K5 Q! s) [ q3 N;;当前发生交易的turtle的交易时间
( W! X8 V$ P* p0 W: |$ jappraise-give
1 `5 h9 p. c/ c/ c4 k4 a;;当前发生交易时给出的评价
( G c/ }* t' i" T2 Mappraise-receive
) S- m m7 G5 i1 z;;当前发生交易时收到的评价
# K5 x' ]* \% g( t8 r `$ L0 _appraise-time; Z' ~3 J0 Z9 S* d2 D& A' |, l/ }
;;当前发生交易时的评价时间
0 r5 P) A8 _/ {# \local-reputation-now;;此次交易后相对于对方turtle的局部声誉* Q a% S" N' ?
trade-times-total
: c T4 k" B5 b8 W' L' N;;与当前turtle的交易总次数
) W4 s3 m% M: u& x" R: _trade-money-total
& Q* _* c* J7 z0 i;;与当前turtle的交易总金额) M) ~% D, m( h1 u
local-reputation- p) u( X1 r- `7 }
global-reputation' f2 P0 I9 I7 c7 S* [5 ^' H6 V
credibility
- r, G8 t c% [ ~2 v& o3 h3 ];;评价可信度,每次交易后都需要更新, ?5 [1 M% s* v, F; g" e$ R
credibility-all9 h! x5 [$ X2 Q( y
;;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
& Q! y8 G/ A/ S" q
" l6 R3 a- ]6 u( L" z0 k3 B! _$ y;;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( o3 n- s5 U- ?
credibility-one
7 C9 T W# \# B5 m2 l7 q;;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
0 m* r0 C/ X, E) O: f: K: U5 T8 ]global-proportion4 b- |2 ]/ r* c9 }- r: I6 j3 g0 d
customer* f! C: \' j) d5 t
customer-no
: J/ g* ?$ ]4 C4 i5 `trust-ok
9 r- i) p1 r, Ttrade-record-one-len;;trade-record-one的长度
/ f5 ^) J( G, N2 c. a]
& g& W4 `5 O6 f, E" N1 V0 f! \' p0 K) F5 t% }
;;setup procedure# Q2 C4 o6 c2 z
2 ]1 x1 ]" r( j. {( V/ F. I; Oto setup3 z8 D8 v8 v6 y# M( K6 r
4 f, u0 ?5 ^ z6 m& m$ v! p
ca! G# ^2 L+ Y0 |$ i
@) i# ]. O( V3 T: Qinitialize-settings( y+ s9 a5 r8 ^5 [
/ ^. A" G. n5 v& _
crt people [setup-turtles]
; |- P6 q0 y2 g8 ~( o, r, x. b: G1 w0 `" @2 |5 r5 G- Q
reset-timer. Z) G" f& ]4 v: U) }8 Y
$ n0 G4 }1 j6 u) Q5 kpoll-class9 v6 s: p, g) P, X' ^5 [
7 Q0 L/ i/ I' ^9 fsetup-plots
- N- W; {( z: m& \5 O* S4 `% `4 y: n% N& ?; I
do-plots
$ {& j* L- S; z/ E* T) r! {end( p. [( e+ E4 g v( Z; u: H6 Z; z
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to initialize-settings t- R( a( Q T4 w0 P
5 W1 c: ]' q( J
set global-reputation-list []0 G5 L! Y- w9 ?& l6 p/ k
% G) Z9 _, n8 E# D; E5 q+ H
set credibility-list n-values people [0.5]
6 R _ o3 J( B$ t( ~3 F+ a2 R4 X% Z/ R/ t
set honest-service 0) T. b( X8 ], b7 T- I) i, o
]. O9 v5 K2 ~ g6 K7 |+ ]) Zset unhonest-service 0
9 N) R% L/ o: k) X
! f0 ^9 ^5 k$ i }set oscillation 0
1 G7 E9 P$ S* k3 [; J0 v. c9 R0 N2 J/ Q6 B4 P4 H; M0 F& S
set rand-dynamic 0' L/ D1 t( O1 T8 R' r& e
end
M4 E: x8 M* Z; k g4 y# d- Y/ x% j& |5 s% r8 a( W; i1 ~* y
to setup-turtles
, ~& \4 M3 G; K9 r" m ?0 Z8 Gset shape "person"9 k3 T0 \4 L% X% t: i
setxy random-xcor random-ycor* `9 @7 X# N, O+ _5 G
set trade-record-one []& ]6 X2 f. r% P: |/ W, G2 Y
' ?5 i+ l$ u4 A5 P8 Iset trade-record-all n-values people [(list (? + 1) 0 0)]
8 p) d2 X4 _3 ^' I. P) U6 n( O
2 n# ^+ o* _+ Vset trade-record-current []
# _" p, I! ?6 u2 E$ y) dset credibility-receive []% U5 a* v2 J) y$ k. U
set local-reputation 0.5' @7 J4 v5 }3 J: n7 {
set neighbor-total 03 M: f- a# c! U& a3 B' m
set trade-times-total 0. j* [. \* `+ X' ^& D- `* q0 C
set trade-money-total 0
4 D; C3 a1 y! Qset customer nobody
q6 [1 S6 i2 j4 K3 yset credibility-all n-values people [creat-credibility]' F1 {7 z, y3 M5 z" |. {* `9 T
set credibility n-values people [-1]- ?3 z6 U$ V3 I" e; e
get-color0 F3 Q0 g9 X' r! O9 g9 z
" a7 i, ?' H' N4 g. Vend1 H1 |& |: K! B
8 _+ O: G1 O$ H* `
to-report creat-credibility
$ ?* T* j2 @4 Y+ f% |8 rreport n-values people [0.5]
+ K4 \" F6 y% V5 z/ lend7 ]) v5 w. u* A: w2 r
1 X! E) ]( a# ^; V v) V! {5 A
to setup-plots9 h. P8 O& @* v; l
: {; j U# I7 Qset xmax 30) P7 s6 D6 p* ~8 ~0 T
9 h! K+ w1 x/ Uset ymax 1.0$ o e7 A/ _- S& `' P
2 Z8 ?7 }4 {5 I& ~; i
clear-all-plots2 Y H* Q" m! m Q9 m
1 h5 w; M* f( q2 g7 c8 ]" q) t, e$ W3 Gsetup-plot1' @' Y" x6 o3 e9 d6 @5 O1 m
1 D8 y' H$ [% I7 p$ e& ?+ V4 i1 lsetup-plot2' h" u- F% {+ O! ? e/ I" s" @
$ _* w/ _% ^& t5 S' k {' f
setup-plot3
1 k9 K' w+ c2 }end
# A" C1 Z1 }1 H6 y( Y" S
* I* P- K3 d0 }7 M;;run time procedures
5 A. M) Y* w; s. o1 Y: Y
1 u# w" w/ {' s- l! ^$ [ lto go
6 Q9 ~/ {& m" V8 b2 x3 p3 J7 y
) g% Z) a5 \* t4 J! S0 e$ Mask turtles [do-business]
`9 F# b- `# ~/ V/ V3 i( s, \end
! Z) o4 _4 K& L' q: U( ^6 Y' K6 M, J2 o2 P, l
to do-business ; G4 }" p! Z- }$ e. O
: C; \, V6 f; H& p" U( C; |) y2 T. Q( f9 {& i% |3 k
rt random 360! e }4 z3 s( n. E* L: k: z
( ?# ]/ |& G/ I/ Efd 1% ~% r% w6 W$ b- \, | w3 f
$ G! V: \- j) j* Vifelse(other turtles-here != nobody)[: S5 s; A! Q; l; ^9 Y
$ N3 r7 C1 @5 X/ t4 E! |) `
set customer one-of other turtles-here4 ?, o& e0 I5 t/ s+ f
7 k. T4 m; G. z$ u% E6 k
;; set [customer] of customer myself* ?: `! N5 Y a+ A3 Y/ D9 B- s
4 I0 w! f2 Z$ I& C+ f4 Mset [trade-record-one] of self item (([who] of customer) - 1)# A( |7 l. |# G6 j7 E
[trade-record-all]of self
7 Z5 x" _8 x& ?. _9 A% l, u: J, `;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
2 Y2 F" S ]. `2 ^- |; Y$ u- H3 ^+ n# O1 A
set [trade-record-one] of customer item (([who] of self) - 1)9 x1 \7 t7 h, x4 t
[trade-record-all]of customer
5 _ I0 y) ^3 T' q1 g7 h5 ?
4 i0 R a$ u) l5 m) pset [trade-record-one-len] of self length [trade-record-one] of self$ {2 q/ o1 Y# ?* q2 O% B+ B7 P
9 ~) L. O# \2 L4 H, U5 rset trade-record-current( list (timer) (random money-upper-limit))2 f2 _% c! i$ ]3 B
; t) C2 n0 N0 F! l3 I0 ~ask self [do-trust]' o/ n. j6 f0 \8 S
;;先求i对j的信任度+ ?& C& V& A4 Y6 i- k: g
& ~$ x+ o3 J5 D$ }& i; dif ([trust-ok] of self)9 Z3 ^/ |! l+ C6 i
;;根据i对j的信任度来决定是否与j进行交易[+ A. k% G' ]+ O$ J2 f* v. B9 A( m
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself: m2 e' ]5 h5 ~, X) X
" B# \$ N. s2 s7 Q! u6 l+ K- z[
* M! {. c) T6 V1 b* x; N: q
- V$ `# F! ]/ A% o1 Y ]7 h0 [do-trade
5 h% d# i5 J! ]2 w
, N, {# `8 u. f" {* P6 R' D2 P; nupdate-credibility-ijl
) M8 u, S1 w* ]6 \/ P0 L% C7 R: ^
1 F6 p( p9 b d1 j5 o, u9 @update-credibility-list V: d3 |' f: a) u1 v
! a9 w3 P! G( r6 C9 K
7 [. ^: a3 w+ H- j+ c: g& \/ q0 C# supdate-global-reputation-list
! ?( ^! h4 O5 M2 C- s2 a
) b! b* g: e6 r/ E! Cpoll-class
0 J6 e8 S6 O1 m/ e T* N7 e; m- c0 I( Y
get-color4 K7 Y6 p; O" ^# [* s- l
( I! ? K- r% K]]1 j3 f3 I9 d% `% C* C
! {3 K4 s; F- G" r
;;如果所得的信任度满足条件,则进行交易- J p$ G: b/ ^, @! s
+ {# r) b& K$ S* W6 t3 [+ L6 g[4 k8 t c% G% _/ \( t Q& L
: L, g0 k/ A- ]% {6 L
rt random 360
) N/ \. l- ]% ]+ c7 F. i, _6 s: b8 Y; y5 g a2 {
fd 1
. H3 Z+ F$ J' g& Z3 ] x+ e1 W$ y, G3 e
]
' E* _! O6 e% p5 ~ C
- B% u# y6 s5 r9 y# q& Z7 n1 X6 P. ~end
* `# q6 V# P% T( g+ n) k1 B+ h+ k6 Y2 i5 N4 O' v
to do-trust 2 q; v6 ?1 r! [
set trust-ok False' M* u3 u$ h8 M6 B* U) |) Z7 m
$ ?# O6 h" ?: q' \3 {( J! B2 y2 \8 A9 e8 S* H8 b" V8 `3 e8 N+ A! U( w
let max-trade-times 0
* r8 ~0 n N( s. {foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
/ M7 z! O" t9 _3 q$ ^0 Blet max-trade-money 0& U% v. N' {( u+ y
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] U" ^6 O7 e2 J+ B, w
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))7 ?8 k$ p! |! e+ o, h0 {+ D
; i; c# m. m' Q- Q; B. f0 ^2 m9 x* u6 e8 _
get-global-proportion
. p) \; O1 H! [7 I4 h: rlet trust-value
- C+ z" v" c+ B a+ o& |5 Rlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)$ u# Q! `/ W! F% w2 d
if(trust-value > trade-trust-value)& R; w2 N1 Q" W% J! b
[set trust-ok true]% F, I1 h7 J: f+ s" s4 T1 F0 w* ]$ N
end
5 ~1 P' @5 B3 |: Z/ }9 I- z6 r/ K" J6 \
to get-global-proportion
! N4 a4 ^% }. L3 K6 i3 Lifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
1 K# L2 F T4 T1 {9 @8 C- C, Y[set global-proportion 0]
% m6 X& y1 w! y7 f6 ?[let i 0
X* |5 A% B( m, c4 ]7 C5 ~5 Wlet sum-money 0! S& U) z/ {! G# [5 V$ I: w2 j( w
while[ i < people]* S5 L* n9 C" `( Q6 K" J
[
& a! O" h2 I. a( H! V" c; Mif( length (item i7 j( B; U) H/ ]9 x2 L( v1 i6 ]
[trade-record-all] of customer) > 3 )8 S' Z4 V7 c4 z& Q8 x9 I' Z
[' O7 \; H9 r! T5 p0 z( b
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
6 v) I( R: w8 W9 o9 T6 v]
0 p. L% R0 W1 }]- V5 e/ Y4 s: F0 F8 `8 m
let j 0
2 X$ {2 Z |! w* vlet note 0
, S* s$ A' k M: u: i/ [while[ j < people]& ]) {2 A- j' i$ S4 W: ], V) [& n
[+ F4 C- e) j6 E6 O, V9 p
if( length (item i+ K+ F z' n2 M( L& ^' r
[trade-record-all] of customer) > 3 )2 Z8 l9 o! n7 I& `( R) J% P
[- q8 j! j# V0 e( C* S4 g
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
/ p, _: @1 e$ S3 p. ?5 I% I[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
) y9 u- L- T4 \[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] d/ W' s* P4 p& N1 @! Y* W3 G
]
5 j0 T1 p/ |# l]
' G" [+ v+ C M9 |) K7 d, K! Y& Hset global-proportion note9 t# S5 L* B( X! k8 I$ s1 ? ]9 \
]
/ E. E7 P' Z( e6 W' |$ W2 fend ]* d" Q, l% z3 |
6 n) d8 [4 s4 }- p) q6 e! Y
to do-trade1 H6 M( J* C2 l/ e4 }, d
;;这个过程实际上是给双方作出评价的过程- B( W: s, ?0 o' r3 t9 V; R
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价9 n/ l3 O- w8 Q0 [' z7 {
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价# B* i% f0 l& h4 J- r, {& d) y
set trade-record-current lput(timer) trade-record-current1 j$ q( F! v+ N0 K( s2 K( ], C8 o
;;评价时间
$ I6 H* ]9 U+ k h' q5 c; F( h1 @ask myself [4 s$ P6 _+ O0 k- m" U" E+ h
update-local-reputation! g% ^* Q4 w( j# I+ X
set trade-record-current lput([local-reputation] of myself) trade-record-current2 ^, d- X4 ]6 {+ \4 P6 j
]! W1 K' [+ i- Q( |1 }8 U
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
- ~/ B2 x3 @3 Q# o; ?8 y;;将此次交易的记录加入到trade-record-one中
l; n" T {, i1 K8 W6 f6 F3 lset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
# [# n( E9 ~- K# g) x4 ?; Y4 ~let note (item 2 trade-record-current )
4 O4 M5 [" u2 }, h6 nset trade-record-current
' t* P! x4 t/ B, m(replace-item 2 trade-record-current (item 3 trade-record-current))
( o, B7 j+ i, L# n) ?# Qset trade-record-current
" h& e6 l3 @) K1 b5 G3 R; k; c(replace-item 3 trade-record-current note)6 r# `. y" p0 G1 R4 }/ I. X1 u) K( G* |
L# o+ e2 v9 J
6 a/ V* k) c" w; O. oask customer [3 t; n' R( p2 g3 ]$ `; z
update-local-reputation
, _- f& o7 Y& ?" ?/ J/ n8 Rset trade-record-current5 b) d; k6 `" ?* Q1 E6 _8 G
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
" J r6 C+ g0 `+ _! } q]
! k9 F! G1 ?% [) ?0 E e$ v3 y$ v; E6 D1 ^
+ F& Z# o5 Q( F! i
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
3 L4 r% j, N j2 g4 A0 A' A/ z2 Z% D, `) o& s7 `4 y- F
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
0 J4 \5 y/ i* @# Y# u& i# r;;将此次交易的记录加入到customer的trade-record-all中' y5 t* E# \3 b4 M% m8 ?' X
end
8 x, `! ]: q1 O. i/ I- y% ?( \4 \
# y4 k/ m x0 Q; e @! ]0 D( oto update-local-reputation/ r6 s3 w; \/ p4 ?7 a5 }5 r" A
set [trade-record-one-len] of myself length [trade-record-one] of myself2 |5 k- g1 N- `" G8 ]/ i
$ i, Z+ ~! K7 t5 _
; c) @0 D8 @: i4 J( Q( ^& e;;if [trade-record-one-len] of myself > 3 3 Z) W9 P- A* J/ N
update-neighbor-total- @. E1 t; N0 v& h: {7 d
;;更新邻居节点的数目,在此进行& A, O5 U: ^. y `
let i 3
) u9 v: Q( D6 I. B: V" |let sum-time 0
7 W# j+ V2 \: D5 L9 ?' ?while[i < [trade-record-one-len] of myself]' U1 y3 V# ?) t* R& R6 J" V
[+ M, U1 V, F3 C- z
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
$ i% J6 ?( A, o: _) ?& Aset i) X8 v0 y2 q& x: f. ^( c; F3 B
( i + 1). g" Z" |% p/ l0 L4 I
]
" o8 A- J% D" g! p- G/ e9 U6 `let j 3
+ r2 ~! u+ T- z6 Slet sum-money 0
; }5 @% w. j3 Awhile[j < [trade-record-one-len] of myself]
8 j* R s/ v* {, `$ t1 R[
5 U7 K* `# O; L' y0 m7 N" Z# S6 pset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
: J% i( \" y" _* V x7 R2 eset j
1 c, u% M: R& F, K* |( j + 1)6 _+ P% B/ I% H5 {+ D. ]
]
, M- R- P/ P- m xlet k 3
- l5 @2 o' i9 _% ?let power 0' `+ C8 ~4 G, e* M5 A2 ]# v
let local 0
, `' k7 F6 |1 c5 ~while [k <[trade-record-one-len] of myself]
' q' |' }, _2 O% D! V1 j[
, A$ w$ q3 L `2 }, k$ 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) 0 F- _" @/ t0 x% H
set k (k + 1)
, R. o" v. n: o- H- ]]
7 A" Z) z, r! \" aset [local-reputation] of myself (local)2 _; e* h- Q& ~
end
$ k. {1 V$ G1 `! K& i
4 l7 A8 l8 i4 A/ B( R' }# cto update-neighbor-total
% e6 u, W/ i0 x* H) q8 a# [$ j
: H' k: G b) Q) Q$ J7 W* n+ [if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]* H- X7 n b6 \/ {, p8 i2 t
) X( e* a: N: `
4 w) s2 k" U6 x, F$ F6 s( f( L/ V
end- ?! y4 p( L3 Y4 Q; j
" ]5 n. Y2 Y! ]+ r7 {
to update-credibility-ijl
/ F. x+ B1 O* J+ w4 w
- @& p, m+ `# q, |( {4 I/ W;;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。- x. _ U3 |7 v l' b- W# ? H
let l 07 \6 ?( N; k8 Y2 q
while[ l < people ]
2 ~0 Q; H! x" ]1 Z* s8 H;;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 G' p" W# z8 b. E! W( B
[
- ]" ?6 T* ]; K3 \0 t$ Jlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
% b3 h+ }1 a& I/ N9 N/ Bif (trade-record-one-j-l-len > 3)0 c' A" }0 d; B% r2 W! e6 R2 x
[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
* o) U5 a0 T1 r- [ z( Z1 tlet i 3
( k* O X3 T: u, C flet sum-time 08 y ~$ v& H" m6 n3 h4 j9 A
while[i < trade-record-one-len]" K5 N- d5 i9 p0 i9 j
[
! m. F+ w2 i7 d! G" w9 l3 l+ Kset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- f0 k" c1 H/ P
set i
$ O I5 K' K2 Y6 L; G: s( i + 1)
5 ?4 q( m- ]% G6 I/ I6 P* `]
6 ~2 ^* F1 L$ m4 P b+ T1 l8 Alet credibility-i-j-l 0& h& L8 o& }8 x6 ?
;;i评价(j对jl的评价)
, ]( G1 i1 b0 n* U% clet j 3
4 ? M. g$ S4 O7 t: Dlet k 46 z$ f5 g7 y5 `( v
while[j < trade-record-one-len]
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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( G$ G9 o3 x( L! m* ~
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)
9 `# G% o$ L+ t0 M" ]set j8 u4 k% Q% z( _2 e% k0 u8 O
( j + 1)
" R( b6 ]- \* V7 p]
) ?, Y3 {- f0 C! c# V& |* 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 ))
" _% X! |0 \; C$ c( z" o* r* o( ]- a9 ]4 d4 g- I* }- L$ Q- `, E2 N
0 w5 e8 C' p1 t4 e# d4 b$ I! d7 llet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
5 o- Q* e# V, M8 q% r5 x" [;;及时更新i对l的评价质量的评价
8 [, C, L3 [% s) o% Nset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
5 F/ U U+ }8 i5 o' J# ^, @9 z: V7 Zset l (l + 1)
! q' w/ s8 D( y]
% r B5 l4 v- f! J5 J! Jend
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to update-credibility-list
( b2 I/ B6 ~) S5 w- d. \0 mlet i 0
8 ]9 ~* V, M" x. [+ \; cwhile[i < people]
: M; G$ ^# L a" S8 s# c[
$ |8 a# B6 A; v; G, ylet j 06 g/ W7 _: q4 B: S, U# L& i
let note 0, h4 H9 U3 }3 \. G ^
let k 0& |" v g% [; ], m/ l* s
;;计作出过评价的邻居节点的数目/ X$ m% P3 |; u& P
while[j < people], l7 e9 m) P, @
[
3 ?. P& G, L& a7 G( x+ n5 Yif (item j( [credibility] of turtle (i + 1)) != -1)
. N# O) l4 V) Q+ A3 ?;;判断是否给本turtle的评价质量做出过评价的节点
' S3 N* c4 Z* |4 N, P- B" l[set note (note + item j ([credibility]of turtle (i + 1)))
4 C1 S7 J8 B' b0 d& j( k) w;;*(exp (-(people - 2)))/(people - 2))]
+ S7 a C# `7 z2 v4 l9 d) zset k (k + 1)2 g P7 e3 z. T2 Q }9 J
]: q& e7 B8 H2 D4 I9 F& U
set j (j + 1): _2 o" Q4 m5 P6 ?* Q) b2 a
]9 X7 g2 Y2 T% A; x2 H5 p
set note (note *(exp (- (1 / k)))/ k)
8 ~7 v: _5 z1 z# h( s1 H8 Lset credibility-list (replace-item i credibility-list note)2 B4 ?( q0 _" B I+ S: J
set i (i + 1)
9 P1 _9 J% [& F+ s) @$ j: Z# C] D* {. U, z$ I$ t4 X) u" ^. X
end5 n/ | N9 i* g, F
1 O3 M5 k& B# Uto update-global-reputation-list0 J# J5 d0 o# @6 h0 `1 z1 l0 {3 j
let j 0$ [ t6 R9 \# i0 F- O1 e' {1 ^: n
while[j < people]
$ M- A' [* v, w% R. P[
+ K, l& Y/ n- g8 v, ^! Clet new 0
& w' U( ^6 E8 c7 _+ ^ }6 x7 Y1 D;;暂存新的一个全局声誉: k$ }& u/ D% t
let i 0
8 c* Q) c0 d5 r' x+ Qlet sum-money 0
) s, ]8 C, r8 h* d% klet credibility-money 0+ T9 Y; }. ~8 q( G; h+ M
while [i < people]5 ~6 S8 d# m* V2 k' x
[
# z# C# Q4 i T, x3 l3 B' L- _set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
8 ]) b& B1 u% p8 J: q# {set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))# |( M- p. h3 o3 e0 i% z6 s4 c
set i (i + 1)
4 L( |4 n' Y; y# V]
3 G% x1 L4 U! \ R, N& E7 M/ plet k 0$ t% I3 {$ g+ q! O5 D
let new1 0
0 w6 ]3 K2 e2 {while [k < people]: J4 D# e S: |! D2 q
[( r# p9 v& e; ]
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 F' i' v$ {$ y; m
set k (k + 1)4 i4 y) V3 q8 ?* z. D% V" L- H
]' Y( y: J, p6 d- z1 t
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
$ [( d% H, H" L$ t1 rset global-reputation-list (replace-item j global-reputation-list new)
$ P& m4 m0 h8 M% W& ^9 B# U) b4 yset j (j + 1)6 a1 y. K8 v4 E% d
]% X" a5 a. e- t! P/ {# h( L
end
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C$ I* x# x. ^; dto get-color; y2 ^0 V# S- j; I2 ]* E$ K
2 h. V/ s7 B) X3 J
set color blue
a; K ^" g P6 Rend( O" b9 {, L* c. B' H7 q
2 h/ K7 S8 c) g( ?! K2 j( Lto poll-class# n" T: w! [/ [1 g2 F
end# D( o; ~6 l$ B: u
3 p8 Z; u b0 tto setup-plot1
" ]# W7 Z( _( r8 w* o& d8 _. ~7 j2 z6 ~
set-current-plot "Trends-of-Local-reputation"
7 J& U) n# \( S3 ], y+ a# H& n& o5 V6 _5 o
set-plot-x-range 0 xmax4 }7 t( W, l# v: A, a: h. Z- \/ n
! \, A: U7 n: K" k# [( J& {- Zset-plot-y-range 0.0 ymax1 G3 u' ]) K2 j3 O
end
c7 q2 X1 W5 k( J* P# J% J6 m7 a0 m; K' u' J( _6 D
to setup-plot2
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/ v9 ~# r }* l$ ~, Xset-current-plot "Trends-of-global-reputation"- e g( u" A6 R5 L
6 S7 j9 G, \" aset-plot-x-range 0 xmax
* |4 X9 m# z8 T6 F1 s
2 h/ Z! h* e( }2 _+ G+ zset-plot-y-range 0.0 ymax3 B% f0 D6 a$ m6 D/ Z* `
end; B8 q- R' k& J3 V! S' G
" n: j% j T% r( Z3 y1 G3 Zto setup-plot3
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set-current-plot "Trends-of-credibility"( I7 ~7 J) \. p: x7 o g1 ~
. \+ D6 w* b8 }- j* i+ r2 \# I9 V' Iset-plot-x-range 0 xmax1 _* y' l0 I# P8 u' i) Z
7 A. |+ m) \0 j$ vset-plot-y-range 0.0 ymax" ^/ q; M/ g. w$ O$ e
end* d, G* T; |, x4 `- ~: B
9 l" \9 H4 v5 B2 P% b+ [3 F; G' r8 l
to do-plots
1 A2 F% F: g' \0 ~ l4 ?' Jset-current-plot "Trends-of-Local-reputation"+ V' g* k3 I# t4 Z; x
set-current-plot-pen "Honest service": X; i: U$ j9 G; p% [: Z% k
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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