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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7 r1 ^- t) V' I6 k( K/ a5 W
globals[: L9 O7 G9 I) V$ M- J+ q
xmax0 ]2 r# [# o7 ^2 g" y( n
ymax8 o; F7 L- K; k( M7 M) _# l
global-reputation-list, R2 k0 X7 u+ l0 Q) w7 k0 Y( w
: \9 B- l0 m( M! h
;;每一个turtle的全局声誉都存在此LIST中
4 J- g' [4 Z! }5 N; D$ N4 W( Ccredibility-list
: _+ ^% h0 T5 ]1 |;;每一个turtle的评价可信度7 k0 X) Q5 [1 ?+ ~5 s" n+ `# x1 h
honest-service: k* s3 E& s* S1 Q+ E3 @
unhonest-service
, P. I* Q% y1 N; Woscillation
X& Z( I* [6 i7 x: E$ T2 Qrand-dynamic7 p5 O- O0 ]! A6 K& g
]- `9 n) F6 \5 q. o
3 J0 C/ ^" s$ b$ I' c7 d
turtles-own[
( `4 S q* D1 q; ? D) {" Vtrade-record-all) E; e0 Y6 p) g- U2 }# ^# H: ^: v
;;a list of lists,由trade-record-one组成
; k) u( z9 T# D& {4 i; ltrade-record-one3 s8 E% b3 Q6 n9 [6 a2 q6 R
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录" U2 R3 X+ W) T" L ?
F. X3 e0 J/ E* H;;[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]]
4 A) B4 ?- C1 V# u: Ktrade-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]: \% b4 f* G5 g, b4 T8 _
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' ]0 J3 M) E+ w! T/ W# @1 u
neighbor-total
& |8 ]6 }' H2 }' t+ };;记录该turtle的邻居节点的数目
3 k- e, x% ~) O1 Vtrade-time& z9 I1 W | Z4 T1 X
;;当前发生交易的turtle的交易时间
% W) N0 P' c9 a( |& E- Oappraise-give$ y: q7 Z+ ^' e& F# h0 f
;;当前发生交易时给出的评价
( h3 |. ]1 @6 C% _, Happraise-receive
7 Q9 T' b8 f, \8 ~. T$ ~;;当前发生交易时收到的评价
* w6 C0 i5 e" V9 G9 tappraise-time
( ~3 ^; z- l% p5 Q0 J;;当前发生交易时的评价时间. z- A) N& H) p9 S
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
: ~7 f- n* D, B+ X2 M) |1 z8 e. C% Rtrade-times-total+ Q5 s' r* H# ]" a5 \# {9 @" E
;;与当前turtle的交易总次数
5 K* g; ]" a, e6 B: ^; R1 Ftrade-money-total% B! s0 U! o6 X3 m1 V4 f
;;与当前turtle的交易总金额1 Q3 s& A" r, d8 T% s8 B
local-reputation) A* [3 a6 n* h* z
global-reputation
0 [* H4 @% p( X# ~& ^credibility
1 ^* {6 w a% Y' R6 |, z W# k;;评价可信度,每次交易后都需要更新$ H& c% c+ _7 a: r
credibility-all: i$ p6 i: p r# E- s- ?6 K
;;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 Z# h# J0 A0 ?) Z; U m' v) E. f
4 A: @. W1 v6 {: ]- T( t
;;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
6 u+ g' E- a4 a9 S1 t6 fcredibility-one8 P. I0 m) S$ r
;;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
6 `5 Q1 q, L2 t- p, j8 Mglobal-proportion
- `! _' O0 l* b+ a2 g6 Scustomer6 j6 E' t$ a- M5 q% j. O C
customer-no
3 l3 U4 W4 k6 x: Mtrust-ok: @ G, A2 f0 O
trade-record-one-len;;trade-record-one的长度
) H+ ^3 o: [8 S: }% l) P# S]
' E. ]. k( }5 i. Z U/ I
1 {7 ?( i h- F$ Y+ J;;setup procedure
2 F+ E! P- g. y2 d, `- f
5 i9 m7 `( N6 F% N" r& V2 Sto setup
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D& n; M. @; r! Mca! Q6 |9 a) @8 e r6 d
4 q+ N, T1 W8 b6 r( r3 Tinitialize-settings7 `1 D' @5 b9 E& ?9 A
. X' _, C4 i7 G+ dcrt people [setup-turtles]1 W; S( S. e4 k8 L
0 K& D" H, H- Y$ Sreset-timer
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poll-class' G' J6 P o. B( O$ a
5 @& }& f2 [! A5 z' {
setup-plots
6 n, B9 y. w+ f% h! [& R8 x3 ? {1 E9 C' ?1 F$ }4 y- s
do-plots
( ?# ]" m0 |1 o; Y5 yend
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to initialize-settings
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set global-reputation-list []0 ? g1 O2 d0 i+ _/ S
$ {' i7 L# f ?8 n/ T/ dset credibility-list n-values people [0.5]! ?& |: G$ U9 l( V
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set honest-service 0( m. d7 P" p2 d$ g! Y8 l: G4 K
7 y3 w g5 E0 ^: z6 m
set unhonest-service 0( V% l* s6 |% u0 h+ q+ |2 @
E7 Z$ G5 V8 v- n# s
set oscillation 0
% o/ b$ |- l. T. L* s) F% J8 B3 j, u h8 t8 r; ~
set rand-dynamic 0
+ b. |- ]6 |# zend G; e! h3 G+ T" Z9 a& t5 t% p
: L8 M$ H+ h' ]) A' p7 H
to setup-turtles 2 |( q/ g! P. p2 d2 l+ V/ @" x; r
set shape "person". j; T+ b% `# j3 |/ K8 @2 ^
setxy random-xcor random-ycor
6 I# W# B; F' K/ h3 dset trade-record-one []
3 F: k, n8 r" V0 x& g. j0 L
0 w1 W; y, f1 J U7 V6 t+ s7 x# ]set trade-record-all n-values people [(list (? + 1) 0 0)]
7 ~6 N" B: w% X* B: Q% \; ^1 I, u! S7 B8 I1 t. D" |1 J
set trade-record-current []
9 D6 q- u' D& g- ~1 U4 cset credibility-receive []- `3 _% |+ _, B* L- A
set local-reputation 0.56 Y) r+ l3 d$ b/ C5 W) j- B9 a) x
set neighbor-total 0: z3 z0 i1 f( u8 @" s2 J; W2 H
set trade-times-total 02 {; P3 L \+ x' a" m! b2 g
set trade-money-total 0' E1 n' \% Y; C ` j
set customer nobody7 z+ ~9 i0 l. f0 e# N* N
set credibility-all n-values people [creat-credibility]. n0 ?1 V+ a2 K
set credibility n-values people [-1]2 Z1 C3 z U+ {4 r
get-color
$ Z( @4 D1 y' G I: q# g
9 j: t- `! }8 Kend
5 C8 _, A- t, y/ k% \; a
5 |9 C) e: A: i) @' h# Jto-report creat-credibility3 h' a2 v2 U3 d* T9 _9 J
report n-values people [0.5]
' g. |8 ~0 V; f' I; W- o* [end
+ q6 R9 r! z" m& M9 v. ^. w O; E" L4 H" s/ i3 }( t. ~% b/ R' {
to setup-plots& ]: h$ Z, A6 {* N R# R! |; U
b/ k+ {* I$ X
set xmax 30
( x% O9 [% d# o4 p( R- k( A
' ] A7 y+ {7 z7 G2 ^3 q% j/ K& Rset ymax 1.05 c1 N7 E) y5 _/ R' Q
( U3 j: z3 c. _( S# {clear-all-plots; ~. h' j$ y1 g& [
, ]0 }& h! h% ~5 ^& m+ ysetup-plot1& [* m4 q2 q/ d: H" z
- i2 B. ]' L, p" @setup-plot2" @) W& C% U! N4 M+ f6 q: }- |
( L* u' O' {! ^setup-plot36 D; H1 V1 u# o# l2 w
end" O. ~% v; u. M, b8 l+ K$ G
0 Y9 M5 z1 N' ]! x6 _
;;run time procedures; N! C+ Y% N" P& c6 j1 i5 h
L1 Y4 h/ L* y0 ~
to go' h3 _/ `7 ?% o$ R5 a4 r5 E
2 i% {# ~$ J( r5 N1 f: F: s
ask turtles [do-business]: d o/ u0 J3 w
end
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' K; H: @6 z) R+ X+ V2 B% ^to do-business
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: C2 u4 p. X. |. T) Urt random 3606 X; _2 ^5 p+ F2 `. ?5 s2 @2 C$ w
6 \/ s5 w! g4 K* Hfd 1
* V" R- Y% Q9 v! z, v1 B9 J1 A7 k, {6 }. q* B$ X+ i
ifelse(other turtles-here != nobody)[2 A, @+ P3 y6 k
- K8 y( z# d- ?+ {5 @
set customer one-of other turtles-here
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;; set [customer] of customer myself
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: u+ u5 _7 J: m7 Lset [trade-record-one] of self item (([who] of customer) - 1)4 A6 j# C6 b; ~0 W1 u
[trade-record-all]of self0 V. t4 w' W& W" r) Z2 [5 _9 W8 P
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
! P+ g, U6 N' W7 }6 q; d
- P. i( R1 Y0 E0 h! g* rset [trade-record-one] of customer item (([who] of self) - 1)
* q9 L: b9 }, R( ^[trade-record-all]of customer
& V' @5 ^: _4 e* V z4 Z( r J. C8 E( i+ S4 B
set [trade-record-one-len] of self length [trade-record-one] of self! f" a+ p" ?" m5 M( o7 x* A4 U
$ T( y& W' e" _( T/ s' C' n cset trade-record-current( list (timer) (random money-upper-limit))
" M- L; T7 b3 n0 ?; N& ^
! L# `, ^) W8 t; D9 t5 ?9 task self [do-trust]) V& p) Y/ x- R0 K
;;先求i对j的信任度
3 d9 ]( p8 c5 P/ u9 c* {
2 m1 c( f5 h# J3 \& a4 H3 l6 Cif ([trust-ok] of self)0 o& @* W7 O' M' u$ s
;;根据i对j的信任度来决定是否与j进行交易[8 V: _( ~) ?, G1 X* [' e
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( q3 b7 D2 E: b1 e- @/ {
3 [# g6 L O2 D4 k[# `- E1 ^; E7 b3 l. H: C
$ L4 Y- {: a# ^3 [& ~do-trade; @! d5 o; ^ I2 z$ b6 |
" T5 i, X' B n3 l# O- i( Qupdate-credibility-ijl
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u& q/ `, x$ q. {5 {; X+ eupdate-credibility-list
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7 a7 M9 r. l3 _9 x3 W* `
5 ~( w1 F6 _$ Xupdate-global-reputation-list
7 d& O: E& r: B$ b" Y7 W Z6 w# `# O( N0 |6 i
poll-class0 ?( _" h- G# z/ [- T
* T+ T/ [ x0 a
get-color
d! h# y1 O6 Z5 Q* c. V P9 h! a' a
]]2 [9 t2 d( C9 R, g* t
) f7 G) T, F& ?;;如果所得的信任度满足条件,则进行交易: f8 [# {% W1 L/ w
6 i# ~- g6 x; u6 w2 L6 r[5 v+ O) r- s: H& @) ^, _, Z
- n/ G, T% R2 s) P- P4 O
rt random 360
* v/ S, m& c$ Y3 H4 A0 T& U, P
0 A* ]+ O4 r' N) y3 {; F! m i5 `fd 10 A" L/ u+ @. l
# V2 N1 V) \1 i: T9 \]1 W& C+ c! @9 P! w
; c+ n' [$ Q$ }5 |end2 s" R3 R/ U( u7 s3 |! @
( L2 C' y+ C) d
to do-trust 5 n5 d. T7 z; @
set trust-ok False; i6 t6 m7 ?! G/ n5 ^
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L, [: ]( {; K3 `! R: B
let max-trade-times 0- K( w) N4 c2 D0 n- A
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]], o6 s. [$ w6 l3 [4 \3 n9 r
let max-trade-money 00 c! @5 S* j3 D0 o
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) f6 j# b. y4 `7 y
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 m- W- |8 |5 I6 \
. `. u3 g) Q! V
- w% i( y) w5 [, a! z4 n' x% z- F$ `' iget-global-proportion) @5 i& L# V) S0 d' p
let trust-value
% t, f* D5 X" a8 elocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
+ m: c! d1 j# }, w) K% o; cif(trust-value > trade-trust-value), p5 @ V8 R" d5 Y7 l
[set trust-ok true]
# ~* t" V. M! z6 C: iend
5 h. H- {; c7 y7 H2 n8 R* a9 R3 o7 c' @4 C T+ t
to get-global-proportion* L) F3 W& E( d' F9 L& y
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
" c, t" N' v; E' j- y[set global-proportion 0]3 J( E& W7 [4 |* ?, Z* Z
[let i 0
. R- O3 O- w& F0 D& O/ v! \4 Klet sum-money 0) w5 ? G0 v: k+ f# G1 M
while[ i < people]. H- R, F9 ]5 q4 N' `. \$ o
[
1 @6 b! I- Q' Q& r/ ]if( length (item i
' b9 H- }; f K! [[trade-record-all] of customer) > 3 )- t8 H6 O# t I- N! t% r
[6 L6 r+ I/ b$ w/ D
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
9 S! `4 U% A1 s]! v6 m- B% m/ z' a- I- f! o
]% g$ F1 |, `: o; z$ ~$ F& X
let j 0
" Z4 K; M7 l/ h" }3 ?8 i/ B; i4 ~let note 0! q/ Z5 h5 m4 K ?0 p$ M$ ]
while[ j < people]2 h5 C+ d% ]6 b* P4 A7 u
[
% q/ k/ {) S$ C8 D" f* _if( length (item i
& ]+ |% l; C; p7 l[trade-record-all] of customer) > 3 )/ Q& h8 ~" U$ u7 |8 J. R& W
[* E) u6 _3 D% A+ x% V
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)+ [9 ^' H {: T- L
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]2 \) T `# y) v1 z4 W$ H4 c2 v
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
% L# g6 Y4 A& @9 c1 `7 J3 {]8 R7 z3 a& Y) s# |
]8 {+ l; \" W8 l4 Z
set global-proportion note$ Y" M% t# @! \. j
]* j) t5 t+ ~' h
end
: a: c! _0 M* D$ I" M' o& \ |4 t: M7 d
to do-trade3 v$ `5 H7 m2 L( {
;;这个过程实际上是给双方作出评价的过程8 U/ Z. A& H9 [! [0 z/ t9 X" v
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
( ]' _9 e6 R9 c$ nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
2 n4 h% y3 k, J; _$ ^set trade-record-current lput(timer) trade-record-current8 f4 Z" n/ Z9 ^, Q
;;评价时间
* c" q3 X2 f/ K/ ]3 J2 I% v- Eask myself [' l* m7 ]6 [3 ~1 q3 I. {
update-local-reputation l2 Q: V# X( O* |# a D/ o
set trade-record-current lput([local-reputation] of myself) trade-record-current$ b3 r1 J3 Y2 x
]
) H* n9 u, J- gset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
: Q: W4 q; ]* y& x;;将此次交易的记录加入到trade-record-one中! J ]# \( C8 }& u4 e" ]# I
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)9 V# u6 R2 s# g l
let note (item 2 trade-record-current ) s5 X/ s7 s% w* A( ]0 A' E6 j* U
set trade-record-current
3 r) G' V3 R3 n2 G( {( ?(replace-item 2 trade-record-current (item 3 trade-record-current)), k) u0 B$ _" d! A; X/ h
set trade-record-current
9 [4 [4 m1 ]( N9 K% [/ `(replace-item 3 trade-record-current note)
- z$ o2 u i' h( @& Y( Z! U* f: H: z' z2 ]+ o% g8 E
( y$ o5 i1 g% }) W6 P7 t: X, v+ mask customer [3 p) |) P- I- O5 m9 W0 Y! o+ O/ W
update-local-reputation' z2 H5 J: Q5 Y' U: x
set trade-record-current0 }2 L" n& v9 s5 y) @7 k
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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$ Y9 W" O8 z2 V0 S. U, n% Y. f9 E: x# k" v6 v# q
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
+ V! D8 t+ H) ~ r* @
: W0 z7 b, w) b- o$ Wset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))& U. E- ] e1 p
;;将此次交易的记录加入到customer的trade-record-all中% F- o( a2 Z5 V0 ]
end
3 s2 C! b) E: }% w
+ X5 S& R7 x$ B5 F/ U* p/ z/ t& vto update-local-reputation
/ W4 Q8 f0 z' p: `" W1 iset [trade-record-one-len] of myself length [trade-record-one] of myself
1 U3 t: Y5 B# x9 Z4 i+ C! i- Y- k; z/ ~* q4 R- M4 R4 w$ A
: l& i. q0 `/ I( y;;if [trade-record-one-len] of myself > 3 4 D, c+ R- }/ L- L6 x! q* P6 C7 B
update-neighbor-total# W( ?) ^/ k# ]( o9 w0 Y
;;更新邻居节点的数目,在此进行, _( K! u) ^8 F# u9 }! x& z
let i 3. o& o0 o8 @8 {* R6 w# w. x
let sum-time 0) g3 |4 Z8 l: Z
while[i < [trade-record-one-len] of myself]$ o" Y3 u& b! [* J9 ~) x3 W+ j9 c
[
! _9 N5 A2 V' I( R7 u/ _set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
4 V, X4 ~* g: b" `# j& ~3 _0 ^set i
( X2 }- m( i/ {% Q1 b. j( d( i + 1), @# Z: `; @5 s' p( z7 w6 G
]
) A# h/ W9 O" A$ ` Alet j 3 C3 z7 Y) b) o0 E- b" I' P- u3 {
let sum-money 02 P. q) Q9 Y+ s
while[j < [trade-record-one-len] of myself]
' g, a/ G. I- ~. l: A[
; I. D- Q* X1 Oset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
2 y3 r3 u% ]7 H L$ U- j& Sset j
$ a$ n. d( s8 T1 O, w' C( j + 1)
" _0 D" L, X0 q' p2 S* V/ l8 V]8 V k: a7 L# k4 w
let k 3/ w; D+ u$ A4 p) M [! [
let power 0) d. q# S# o! R4 O
let local 0
! U( J) p4 ?% _while [k <[trade-record-one-len] of myself] B! ?- D5 F9 I+ U
[! j9 H& \( H8 t+ g
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) 3 x4 P8 L% G; O1 G' A0 O
set k (k + 1)* ^ F& j2 e8 F) p W3 k2 |
]# F0 c4 F3 H* }# W# H4 T
set [local-reputation] of myself (local)5 A }% {! I3 l R
end
4 G# e; i. D8 ]' u
9 Z' S$ ~/ q3 U$ hto update-neighbor-total+ z6 r/ w! f& p: z/ P4 v* z; [/ j
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
8 d- R6 G3 |" n5 }, c- n% Z
$ B9 @* U# E; k3 X' c0 V& d9 j1 z7 O- \! }
end/ n. |# _" S- V' R3 ^" l. r0 a: D1 S
. U" P" S8 e" G/ u+ {- w7 cto update-credibility-ijl
: \3 c9 ^) Y* x
t) q! Y7 g/ 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。' t2 U, |+ I: _3 F q4 l. Z Y* k
let l 0
" [7 X; c; c) X) x5 _$ kwhile[ l < people ]
2 e7 E$ O: N+ M8 Q;;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% a) u; Y) l$ B' D
[1 _& j' z8 X2 l+ d9 G0 q
let trade-record-one-j-l-len length item l ([trade-record-all] of customer), ?" C3 G% y" r/ p. A) n6 N
if (trade-record-one-j-l-len > 3)- ^( Y3 t* B, ?2 |
[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
, ~: [4 |& t' u! j- B& |let i 3
& N. J" l0 C0 P2 f1 ~let sum-time 0; G! O+ `) |* F9 _
while[i < trade-record-one-len]4 C) L$ O8 R, h2 w) G
[% z" f* o+ n3 `# o
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
! Q I5 B+ m! }1 i* P% Kset i
f& Y$ h, h, D( i + 1)/ G8 P C# [3 b+ `* R% g
]2 w8 h! n3 g: L+ Y, |
let credibility-i-j-l 09 h# W3 n% J( I9 ?- j% @( d
;;i评价(j对jl的评价)$ s! ^+ I$ `; N# ]/ e( L
let j 3
# X0 j( f& X, W( c( p- E- I2 |let k 4
/ V: H: W6 G) j) Owhile[j < trade-record-one-len]
/ Z) y6 k3 y. Y/ T0 q* G7 X# P, a! Y[; x! k3 j/ l2 C: k9 j& C
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5 i! L t3 g; i0 x8 Y- C$ U, u
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)# g: d5 C g( c8 T2 q. _& J
set j
: z" {& N8 e6 J0 U, b( j + 1)9 @. l j: `1 Y2 K+ E; f
]
! } j* W A: ?, d' k. \+ l" r8 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 ))- P3 q4 Y# D6 a% G6 L
+ O5 J1 A$ l9 p& d
+ e4 z0 t# Z- }let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))! k4 }& s9 h: M: @3 \
;;及时更新i对l的评价质量的评价
/ g. q0 V6 R- {# q$ P+ [# z4 J. x1 Gset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]! h+ r8 M* ~9 T' w; _1 H5 \
set l (l + 1)
9 T2 Z8 P$ }( v) x]
. \2 ?4 A# B- @! l! x& Q* E; Tend
) t; {' y- |* i5 |& R$ ^) B
0 y# }# M; w9 H# x- yto update-credibility-list
9 O. f; Z% U- S* x! I$ wlet i 0
8 J3 ?/ c3 ?- R( |+ l( qwhile[i < people]& [* Q& `+ V5 G( V3 e# H9 \1 ?
[! @; O0 B! T* | T
let j 01 y( R' D/ L6 H$ K/ D a+ l" n4 D
let note 03 v! R. p9 } @. }; E p$ r
let k 04 B( B6 n( I/ C) u# ^
;;计作出过评价的邻居节点的数目3 h# x" ^7 V2 o2 ^- p5 a' Q& s) P
while[j < people]
, T* e8 w: k2 u& K[% Y- ]" {) z" Q
if (item j( [credibility] of turtle (i + 1)) != -1)
8 \8 r& B. s, K( i8 I/ }3 n;;判断是否给本turtle的评价质量做出过评价的节点
3 ?1 W8 z a& @[set note (note + item j ([credibility]of turtle (i + 1)))2 R( |* H. g; [* C
;;*(exp (-(people - 2)))/(people - 2))]
( p) b* Z% a! k4 Q( Zset k (k + 1)
( k. v! o- ~1 h! K; i]) p' O# a7 F7 W( N% n
set j (j + 1)
& Q" v" R$ |9 A! W]
! z' y9 q# J9 a# s3 v# U# sset note (note *(exp (- (1 / k)))/ k): h: @" p) i8 d, Z
set credibility-list (replace-item i credibility-list note)3 a$ }; d, ^: z; R. `4 s
set i (i + 1)
2 b+ ^8 I0 X5 {+ K]
; R8 L; N. y1 J& C3 o2 k3 [" Vend
. S- Y7 }; H1 n1 W) z
7 }, F- g+ c' O6 y( T# ^2 fto update-global-reputation-list
5 c4 I! S3 p4 `" m8 n2 F) clet j 08 ^9 w- U4 C0 E& G: Y2 ]
while[j < people]8 q. [$ Q, j) L
[
+ ?) l" X4 }! @. _% _let new 0
6 Q4 l- n- H5 R% q;;暂存新的一个全局声誉5 X* l, V0 g7 j" ^) R! _0 B
let i 0
# ^/ Z5 Z5 \5 p# Xlet sum-money 0' u" r! H- g7 P, R" l8 q1 c$ e
let credibility-money 07 A* K* Q S; p! x5 J/ r
while [i < people]
. B# W4 [0 U0 U& s& I[
) m* K, t6 U0 L4 o/ K5 |) o; ^set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% P7 m8 [- t e2 X) m/ t5 s, g
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
9 M. h* J& E. b; [1 ~/ sset i (i + 1) j! r7 s: Z b, \* i
]
( t9 \# h k& G6 |) t3 P& l' xlet k 00 y" U/ ]! t* z! }+ R$ @* Z
let new1 0 S5 @% d( u' l, Q$ [- l
while [k < people]
( I1 ^* ^+ t6 ^% M. l[/ |9 |* W3 r7 Z' }1 ^) l; [
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) O0 [% a, x7 Y) R. D" u R
set k (k + 1)
( u1 H! C) o4 @]
( Y% F+ E) \; k9 Q Y$ e6 |set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
8 Z* C4 O8 } ~set global-reputation-list (replace-item j global-reputation-list new)- }' i$ y c- Y M$ G E4 b& |
set j (j + 1)' b7 J; Q0 P) i$ N: y+ s2 C
]
! U4 ^& B; v4 D2 }3 ]6 ]end' j- Z) C1 K e6 L2 N# W# z4 y
; _3 n2 _# }1 Y1 \
# O7 }" W/ L: w9 B! ?( \- W# E9 y6 m! _: L7 \6 ?1 n9 h, l9 p
to get-color g; w P+ ]/ a( U' t' P4 l
5 u( c1 ]5 Z' u9 Y5 J4 [& }
set color blue3 p1 d' c+ C! H( Y q5 I' v9 I X
end
# P! b* \! A' W9 J2 v; d$ V2 Y7 [% x7 ?; e7 {. |7 |4 i
to poll-class1 C, U3 _+ a0 z5 u3 [+ B: t! \
end
5 i* N' I, g) }2 m2 a9 J; I* B2 I8 o1 C# I2 B
to setup-plot1
# X6 ~4 K0 P% n2 u: H4 u$ A5 ^+ f
* S! y) V. R3 v" \7 S' Oset-current-plot "Trends-of-Local-reputation"
# U8 L6 G. [4 l
7 m4 z6 t) M( H& M2 v/ Kset-plot-x-range 0 xmax
u) o8 u N( D. ~. b! C' u- V
$ b+ N8 q! E4 lset-plot-y-range 0.0 ymax0 {7 m' {. ~- N+ U- @
end
: y% c! D) Y% T7 ^0 t/ V3 T
( l( ]. W) G/ W! u5 P3 i. ?to setup-plot2 ~/ E+ X! F8 ~% D4 _
. `. y2 y, N0 H) x+ lset-current-plot "Trends-of-global-reputation"
0 C- [4 S. r7 \# c' l. {+ j0 |( ^. J5 j9 B
set-plot-x-range 0 xmax2 i1 t. ?) n! v+ \
" W' p7 S6 J5 v- Q t; i) P' qset-plot-y-range 0.0 ymax
4 {# j/ f; t d0 Pend, G$ B0 G* h& q; v
9 x7 d, c2 ~! b. v. q1 r( o- r3 oto setup-plot3
9 O% C# ^+ N: B1 G
% _, r% c- e7 t% Y N0 Zset-current-plot "Trends-of-credibility") h$ h' F, L6 l
' t% a! b4 V% M' ]' h# k
set-plot-x-range 0 xmax5 Z$ a) ]5 ~# Q) {$ Z$ {' V1 _3 R
+ R( O+ m# X2 f: ~
set-plot-y-range 0.0 ymax( a& o7 [$ `4 ]
end3 S: n, ?7 m( {& d
! L' M4 _! F2 O( O7 x) Bto do-plots' |2 L" T& O6 m$ J8 b2 o
set-current-plot "Trends-of-Local-reputation"1 v; e2 q2 `1 d& X
set-current-plot-pen "Honest service"
M: s- B4 H" R6 C% f- vend. t+ _+ i3 ]! I" A- v1 Y0 v5 k
: p& B6 t" L/ |; X4 n/ J7 k
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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