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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
9 f7 Z) W8 D" Xglobals[
3 o6 O. ]% t I* \ v8 N6 D4 _0 oxmax- d( q/ F0 k, `) |
ymax
& x# t$ s! `; |5 x+ |0 jglobal-reputation-list
$ ^: I: D3 `6 j# L) E" x
! I# S% P' t. H. \* U- T" T: `2 ?;;每一个turtle的全局声誉都存在此LIST中6 N, v8 c& s$ P3 h4 H k
credibility-list; C6 w9 _% |! S% }+ T5 Q7 O
;;每一个turtle的评价可信度
) F) m* I2 b" b; Z7 mhonest-service
9 @1 R, ]+ \; i1 f% Z+ T* M% i$ `+ D( Vunhonest-service- D. [. i4 G6 V" a
oscillation
( d1 F# _/ r. M* F) \+ V! J, O; Urand-dynamic
/ | G: k; l3 V+ W' d. U]
1 W R& @. E( x7 z
6 a( Q3 g% X+ Y+ w8 Hturtles-own[
" C" O$ z. A, y e0 u: xtrade-record-all0 B) A3 \) V x* H! T
;;a list of lists,由trade-record-one组成
- ?$ D$ p8 Z) F: W j+ Wtrade-record-one
* h* R2 ]# O! U. i;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
5 d( c! a- f* ? Y
) R5 A- J" f; X. y;;[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]]
8 ]1 o6 e5 l: w( ]+ o4 ]2 z( Ptrade-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]$ V, v( L- W a) k4 d
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' I% l! h# j0 Y9 y! \
neighbor-total$ f) u; ^9 f7 S: r" p, o$ U
;;记录该turtle的邻居节点的数目
- A7 C4 j4 l7 Y4 R( i* u* itrade-time
; i% ~$ h' \0 w h;;当前发生交易的turtle的交易时间
3 l( v3 c' f/ K! J# }6 N9 ?appraise-give
# o. R% C5 d- z;;当前发生交易时给出的评价9 c8 k& j. z, S" E$ x- h+ K
appraise-receive3 K, w% P: ?# w' N
;;当前发生交易时收到的评价
- T8 M. q0 g/ I3 i% B" yappraise-time2 F+ i6 @/ P' m3 f4 D% a0 F A
;;当前发生交易时的评价时间6 s m+ T" G: n' A
local-reputation-now;;此次交易后相对于对方turtle的局部声誉1 [4 p' K. I4 j/ D' `) [* ?1 y
trade-times-total5 h' o0 E0 Y" c6 g. k- ^& i
;;与当前turtle的交易总次数
' ] i$ c- J$ B0 s& l6 U# e. Atrade-money-total9 A0 A; f5 Q7 H" ?5 C1 n' u
;;与当前turtle的交易总金额
# P! J# C/ l5 [6 {- A* n% e. `local-reputation4 i- M$ G6 a: z
global-reputation7 {7 [: \/ W: N% A( s
credibility `5 H3 ~ m) s
;;评价可信度,每次交易后都需要更新
* p( z M2 O P8 U" ]credibility-all
8 v% F$ @- H% T, |8 @;;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
8 `" D2 E( v0 i4 Y, F5 b
7 e8 r* y( ~$ u. n" A) J;;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0.56 g$ R4 Y, Q+ U
credibility-one
8 V. L" H) C0 A7 I2 s6 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
' m# O( d1 r; `3 N5 \0 `global-proportion( E1 a3 x+ d( Y- q
customer j) G1 P Q! u ?& X y
customer-no
& U8 Y4 n5 [2 F- z5 }! F. wtrust-ok" x! s8 {" q6 ?7 f
trade-record-one-len;;trade-record-one的长度
, d& }* G: c: b8 t( F+ _4 n3 j' Q]5 ~; r$ m0 y& U `# s
+ e2 d A8 l9 E7 A+ m: S! n
;;setup procedure) k5 r) f/ I! C5 ?
$ p( {. T3 [1 v8 `' s. u Pto setup' Q2 {0 z- z4 x; K9 N6 G. z* y
8 A1 C4 w& e; l
ca
- } ]; @' W4 ]; {6 z: a
$ k8 L# j# s, Z' Q- Tinitialize-settings
^# b( { Z% x2 V7 n7 I/ Z
2 w) L4 v' `4 v* U$ X, h2 wcrt people [setup-turtles], ~5 j$ j& |( M1 Y+ A
) R, o9 F' Q0 G, }- M- T
reset-timer
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; N9 G% B6 C& b1 npoll-class
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setup-plots
. U. w; s/ H' t$ i5 _& k3 R1 Q
3 ~. x) S" B" ^& R# Udo-plots
7 F% [0 [' s4 j5 l. X6 f5 dend* `+ p5 L7 ^( f) n. {- S0 g
/ L/ x4 k/ @2 t+ i+ Q; L5 t
to initialize-settings
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set global-reputation-list []
4 @+ {* f2 j: A0 d5 g m
, R% \$ q. r* B3 u5 wset credibility-list n-values people [0.5]
) g+ S9 a( R) m0 w" h6 x) r* V- `/ M) {' j
set honest-service 0+ i( L8 s2 O( E1 ~
6 K* H- N! c6 N* d* I' \set unhonest-service 0
! P- U9 t% j1 l5 m# Y) \) n9 }, |7 \) [6 e' _" R1 C0 Y
set oscillation 0
. J1 c* O' z. ]" q$ W8 ?0 X# J; N n& \4 w" s8 o( W N
set rand-dynamic 0) k% Q$ L" c% ^' x
end5 W; p8 ]. A$ O- c
) e V4 ?( Z& B" b: ~& b1 C, ~
to setup-turtles
5 `8 J+ |4 V. rset shape "person"
- H( s3 i Y4 a2 w( ~, ] g! {setxy random-xcor random-ycor2 T! k/ _5 t. h5 `* r# o
set trade-record-one [], M( @$ @9 a3 W4 {3 D5 l
' O5 |, E4 w' G/ Nset trade-record-all n-values people [(list (? + 1) 0 0)] ! j! R- l3 v$ O8 r c( v
8 i4 r# q2 _' i
set trade-record-current []
' ]1 g# e; L7 X3 k& Pset credibility-receive []2 j. ^, `* I- ^( U3 ]
set local-reputation 0.5
% ?! o) p: N) W4 Oset neighbor-total 0: A4 k$ j: [9 k5 I: D' [
set trade-times-total 0
5 M$ {3 @+ `; ?set trade-money-total 03 }9 \4 w% l* U, w7 o
set customer nobody- r0 J5 L3 ~. h, Y3 f7 e
set credibility-all n-values people [creat-credibility]
$ k( D q1 p- f1 N$ \" Kset credibility n-values people [-1]
/ H4 ^4 C! }; Xget-color
+ ~; Z# k U, w8 p
! Y9 U5 c, V0 Send
* X4 s S: |# y1 X5 N3 J" u- @4 R& v6 m' C9 c' y
to-report creat-credibility0 t. F! a$ a/ Y8 _4 T* u7 ]
report n-values people [0.5]2 I; v [* g7 x. P" J7 V; f
end
8 |2 J. e* D# F5 f" P/ C3 t7 E
7 ^3 _5 E# `$ p2 m4 }# q, kto setup-plots$ V" Q1 l+ V) f) V3 ` c
$ v. v H$ x1 S% \1 H$ bset xmax 30
- k/ ]/ Q9 g5 e0 S4 _0 y1 ^4 {( V
: I, s" s# C3 Z$ p- I: }& mset ymax 1.0. X, z9 O/ L6 a
. }0 i! _4 z$ K/ rclear-all-plots
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setup-plot1
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setup-plot2& [2 ?" O' j& T4 H! L/ D7 }
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setup-plot32 V9 ~+ n, S4 w: w8 G& o% G
end
1 E* w8 q! I+ C5 H# S+ t$ u! N, f+ @ d5 X8 g) |
;;run time procedures4 [$ N- m4 X) F8 ?" B
; j; _( J) C4 g/ {" K. W
to go
+ G7 w. A! S% e5 L3 i" a1 D& u7 U4 y- z6 w
ask turtles [do-business]
3 l: b) X/ Q6 @) Q n* _end8 Y% O% y2 S: `0 O
) [6 J l9 P3 E8 a- H! _
to do-business
9 D1 Y& ?- v2 W/ c- N+ [. h5 K2 Z0 V3 H- @ n8 c: a( ~
" s, _& ^. X$ G0 u3 h4 E0 p8 Wrt random 360, B( w8 ~! s8 i# J" O; M
* I7 v4 m" n) [+ ]fd 1% `2 F3 E7 l1 u) N
$ a' n; y$ ?+ G8 L: k9 A2 p
ifelse(other turtles-here != nobody)[
- D8 Q5 {( ? c, q* K: g) O) G) t$ N: `% E
set customer one-of other turtles-here5 J' F( B4 }3 b% L2 x
5 R/ Q: d( f% f3 d0 N1 j;; set [customer] of customer myself
6 m# `2 s+ v! N
( |* Q: B; p B; y! d( a! uset [trade-record-one] of self item (([who] of customer) - 1)
! f) T8 R/ ^5 Q) T7 T' S[trade-record-all]of self
0 h# b- j5 O& b( g! J2 Z( g7 J! [;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self+ d- b9 b0 Q: T8 a
6 r! a. W6 v: \& u1 n- \# Vset [trade-record-one] of customer item (([who] of self) - 1)9 d8 B% ~4 o' l0 r) _0 }
[trade-record-all]of customer3 E. F" T3 Y6 O8 ~
" K$ A$ Z* d t2 Y# X4 k/ ?set [trade-record-one-len] of self length [trade-record-one] of self9 r- ?/ s- g6 K6 g9 K7 t
9 v3 \! M! O7 i, ]
set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]: ^5 p4 h& Y2 y1 |* \( _) c4 e
;;先求i对j的信任度
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if ([trust-ok] of self)
4 x% x& Q% a' L0 ?9 j0 Z8 Y# O;;根据i对j的信任度来决定是否与j进行交易[ N* h' R, {$ l, g( p; H
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
, a5 M& e; R0 [ R
0 u4 p- J+ }/ l* T3 @( t: Y3 v[ J5 p' M" {; V+ D$ H" o2 l- S" [# U
4 k Z' U$ e' D
do-trade3 e3 Q; V6 J. B6 H, d. l' {: o" z6 y
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update-credibility-ijl
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/ H: Z. q4 d2 A2 j; j6 \! b5 y- mupdate-credibility-list
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update-global-reputation-list
* I Z' W! I3 y* E, a' E) y, A1 a
& W- u# j7 J% R, g+ Xpoll-class- ]+ S9 g, n$ C, t5 ~( N
3 t" L0 x" x5 J/ B: p
get-color
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]]
" m- w6 L% ^( M5 k8 A+ ?" {* L& y$ l+ \* C9 T
;;如果所得的信任度满足条件,则进行交易
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2 a. o/ v$ S& v: I5 c1 c[
8 Y/ c7 f: x4 i. S4 v0 V3 @" d5 h3 g3 f/ P2 J
rt random 360
3 F B2 [, G. r, j& i% a
8 G+ O4 w$ c) M' Gfd 11 C" U: H$ G' a0 e
- o/ n: O3 z3 W" `, R# O. A
]
5 \9 o4 H( \( {" q1 ^- n8 z0 m- e6 e% M
end7 A& p2 [* A; _) J
! `' s( V" D) y' t. Z, J5 W2 mto do-trust 6 [" ~6 F# b" X
set trust-ok False
+ z! Z0 S' s1 q' H& i$ o4 \
3 I5 n& p* H( Z* \
6 v9 t$ O+ c- h* K# Plet max-trade-times 07 s/ x) }! |% J, K' o
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
+ e/ Q& g" ^6 [: S! ^9 d; M) Y# _let max-trade-money 0. z; R- N5 _3 b1 b
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
2 `/ ~! O' G9 Q5 Tlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))( ]% ~# S6 Y/ d* z' }+ C
, r( v. u; L$ u' g" ^ `0 f
4 k8 ?" ^/ j. k3 q# oget-global-proportion
' g" p2 M& a/ T plet trust-value
e$ \- Q& ` T* R! Mlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
) F/ T" B2 ?' Q' fif(trust-value > trade-trust-value)+ K V3 c2 E- }
[set trust-ok true]" G& h6 |' n- A Z3 y
end9 H( T% h+ t) }" O0 p" i8 c
# w' p$ V7 C$ i( e' xto get-global-proportion
_! \. c' J, Z( D, P$ y, Cifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
& b/ N, V5 i0 b+ X/ i1 U" z3 R2 }2 Y[set global-proportion 0]) _% R- ^$ E& j4 D
[let i 0
/ S/ q) j5 D* s8 L% { k; G+ Jlet sum-money 01 p3 L6 b5 U& i7 S, `; _4 F" @
while[ i < people]/ S% p p8 W- ^ ~& a% e0 K
[
" z$ P; b/ C, f5 C4 |if( length (item i
4 G' x1 _% N: `5 ^+ _[trade-record-all] of customer) > 3 ). g# |0 `; t: ]: d! z, n* R+ K0 c
[3 g" D. I5 Y) ` G& Z: L- A& y
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
5 f* R# s, G8 z/ @0 x]4 X; H/ P0 C! }; n8 c
]; C& L3 n' Q1 s% s3 r. X# \# E' ?
let j 02 J# u3 Y; N) q! u
let note 0
; h% k ~+ R% ywhile[ j < people]) P7 R% I: E' Y' Q3 O
[$ D" @# e; K" l/ \& K, G
if( length (item i
/ ~5 k/ b- ]8 P& ]" I$ ]8 P+ B[trade-record-all] of customer) > 3 )
, `# g$ v. h5 c[
- F# u$ `+ K3 V* Y9 Cifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)5 ~( S( `! N" W. T5 \
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
) A. @( |/ X3 U* x- {[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
+ w" [4 u& G3 f$ K]
0 f' L, m- { c# Q9 H]
' |" ]# s- f3 T q8 g, [set global-proportion note9 x/ i/ z( d8 f! e( m
]
4 N8 R! w' W9 ?end
8 p8 L/ t7 \8 }! J; L# ]" z
# x" t8 c" g( `9 V# {- Sto do-trade, z# S' ~$ B4 ^5 q. r* n+ D7 X& k
;;这个过程实际上是给双方作出评价的过程
. U7 m3 K( _1 E0 Bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价. n( o, e9 M/ s }6 m
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价( \* u# j- }/ u4 G* F6 `: v: w z
set trade-record-current lput(timer) trade-record-current
@9 j2 l2 M9 N$ K;;评价时间
( E1 i: j# t/ i0 _- Mask myself [2 U* |6 Z' o) z% e% r3 l
update-local-reputation
. Z8 D3 Y7 [3 Pset trade-record-current lput([local-reputation] of myself) trade-record-current
, H* V3 Z# a1 h8 H]2 M/ W+ `7 _! s6 C; f/ X7 X
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
' S, j# _+ ?7 d8 W( R' J;;将此次交易的记录加入到trade-record-one中
* t7 F* l F; Q. S: Y2 E: m( Zset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
# l5 I/ t! p8 b) i; jlet note (item 2 trade-record-current )
3 t& x% w: ?% V4 |/ yset trade-record-current
. e& z2 p' G M/ T. Q(replace-item 2 trade-record-current (item 3 trade-record-current))9 K0 o" b3 m4 P9 f# W; w
set trade-record-current
0 x4 C; Y' ^' N! a# S(replace-item 3 trade-record-current note)+ @- o D5 a* N {) U/ k
" y3 I" K5 } ^, ?4 s# p
/ E8 n8 z$ V2 d5 t5 w- u* ^8 yask customer [% |8 X2 D3 _/ A1 |8 m* p
update-local-reputation
6 @ ?) D q5 A5 I$ W, c, Gset trade-record-current
`: \$ Z, w" l(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
: q: z! ^* M6 u/ V1 d- h]
2 ?( H4 L9 y/ _5 l9 S* z6 _5 r" {- }! B* X7 p
4 k3 H9 ^, \1 [- ~
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer; {+ R# D2 L; p0 U
* K+ C$ ?$ x8 A0 }0 z6 K! r2 nset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))3 K4 Z/ Q: E" j( A+ s, g
;;将此次交易的记录加入到customer的trade-record-all中3 ?& L; @ {6 g% ^/ D: Y7 `% K8 R
end
0 f j" A6 H0 L9 k' W
! t) I, z( z5 f, }to update-local-reputation
# u7 ]! \0 [' r' X) k6 J" \! ]: wset [trade-record-one-len] of myself length [trade-record-one] of myself" C8 u$ |6 |0 K0 N0 i/ x
1 Q/ E% L- Q7 Q# q) O) U
8 }; Z q' J' B. l, {7 M;;if [trade-record-one-len] of myself > 3 b# I# ?* S! F, w7 z
update-neighbor-total
1 S) R5 x# m( u( \- d;;更新邻居节点的数目,在此进行
/ m! L5 ?* P5 t5 l; |1 H' H' Vlet i 3
/ `0 Q8 u0 X8 f$ V! _: R% Glet sum-time 06 c% [( T |3 E
while[i < [trade-record-one-len] of myself]
?$ T$ \3 S6 A+ Z* R8 H[
1 _7 v7 J0 ^2 b2 L g0 Mset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) y: T$ o2 T9 `5 O0 D
set i x5 Z$ s n# w& M- e V9 K* J+ d
( i + 1)
! w. t. G- H! i. F O9 u! z]( h X: b1 }, `! w6 p5 E
let j 3" j/ r( W" M: ?3 q) m2 J' X0 _
let sum-money 0" }- }8 I/ X( I8 I) w* L, j
while[j < [trade-record-one-len] of myself]% z: L+ U1 `5 V
[
# b) P- Y, C* T2 }5 ^1 n; Y% _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)) x4 d# v+ B1 @3 `% h3 |
set j4 o5 r3 u, h7 g8 X1 P: `" h
( j + 1) [5 {( b* Q, F) p* v4 @0 O. |
]0 t: ?" f! X& e
let k 3
0 ` G& c; t' X y+ m7 E/ nlet power 0
2 y2 Z5 I* G9 k3 ]2 V- D$ Elet local 0
4 J& J: s" M+ F* s0 X, |1 ?while [k <[trade-record-one-len] of myself]) S/ Y- V2 d3 z2 D
[
' O; j, i% R! oset 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. t+ m7 F- ]
set k (k + 1)
+ \+ ?. L; E9 N/ h]
2 S" J! b, K2 R5 i2 Iset [local-reputation] of myself (local)1 T2 ~( W! N2 |$ X
end
8 d A1 }6 [6 c V% X/ S( i5 y
7 o; \ S' f6 x6 b# l1 gto update-neighbor-total) R! |% ^4 w v. k" P
0 J5 v, e3 T* p% E( Aif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
2 w8 x! ?- ?, t3 Z4 ^
( U# w c" x- x
( e3 x2 l3 [3 K/ Xend
5 s+ s$ f' \) ?) ]1 v% @
5 [' U$ N; K- P L: X* vto update-credibility-ijl
1 O, A0 G8 g4 ~1 @+ X. A
+ i5 g7 ]# P% X;;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。
- l( P5 g8 I r: z# tlet l 0
+ U% u- A' x0 k' i& E4 ?1 T# lwhile[ l < people ]
( h% X+ [6 Q0 V" L;;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
H' H9 _: ?" @$ S2 s2 P2 E[& @$ x) T, x8 @7 X0 d) D3 W. o
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
2 b% Q) N0 c$ N6 e9 O( P5 A1 Zif (trade-record-one-j-l-len > 3)
( t: Z5 U+ H( i" f$ Y' C0 `% r( Z8 U[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% p$ i" r" W: P. ~! j/ N! j8 T
let i 3
2 x. p4 O% E! C9 y/ }let sum-time 0) r5 Z2 J: v3 G
while[i < trade-record-one-len]$ R. E9 l$ x S& E
[
8 u4 J+ i8 [( g5 E# z0 M6 pset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
1 |8 A3 ^* ?0 k5 U3 o7 y) Lset i
% D5 R0 b4 o1 S* \. @; F( i + 1)
3 a a7 q7 u1 f- c. G; \5 P! a]
: P& U2 S y6 E) v3 z0 Clet credibility-i-j-l 0
+ H- R, F& u3 {' O0 d7 |" j;;i评价(j对jl的评价): A N: y$ D; Z. L0 h
let j 3! v$ F/ s% Z! D1 v
let k 4
2 S) |4 {& x+ Awhile[j < trade-record-one-len]. b# R$ M- }" `2 a' t+ t
[
1 j4 q: g7 K3 J3 iwhile [((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
; a; v" S" a- X5 j" j: K, i7 E, hset 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)
, b/ Q& Y6 A4 }1 P0 I& E& P. Mset j/ u0 C7 s0 F8 `0 p! I& O% W6 P
( j + 1)
7 \9 T$ [/ n3 `/ |: G# N9 Y6 l: v6 U]% F" |# I) o: n
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 ))
$ f# m4 q8 E) b0 G2 u, @+ j, e- V- _6 [' T
4 ?) T) e1 k9 `" Z/ h+ d# m6 mlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
i2 r4 N. W7 Q;;及时更新i对l的评价质量的评价
: m) T% Y; Z9 X3 O' S6 J( J# @set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]* [ r1 b4 b6 e& o
set l (l + 1)4 Q0 P) G) g, ? L# H% k
]4 q* _! R* I$ d* B) s. q9 b
end
# D4 e1 H8 i3 I) s% Z/ C0 I3 c* `3 x' N8 z. Y* X
to update-credibility-list: f' B6 h3 a6 i) O+ U
let i 01 q$ Y6 A( v$ X5 |1 `
while[i < people]9 [# z7 p; z4 Z/ J
[
2 P! G+ l4 F; Tlet j 0
# F' [+ I3 [3 z6 K6 |8 Jlet note 0: `8 ]# d W, d; I9 l$ h9 o: v
let k 0$ {1 M0 J' A$ Q/ n( Z0 ^( W7 _! p9 g
;;计作出过评价的邻居节点的数目
8 M/ {' m8 i N* z0 [8 w, |, Iwhile[j < people]
% i$ j& F9 v K6 n0 t[) V. P1 f& w/ X) b+ b% ^
if (item j( [credibility] of turtle (i + 1)) != -1)
& q2 E% b( b {6 N% \ B) J/ E2 \;;判断是否给本turtle的评价质量做出过评价的节点
, B# a8 E1 I' k% a! \7 g/ r& X[set note (note + item j ([credibility]of turtle (i + 1)))
7 ?* Y7 l& `/ T. x6 n; d. ^;;*(exp (-(people - 2)))/(people - 2))]
9 w0 [7 }# c; f/ Lset k (k + 1)
6 ^' l* L. w/ y i2 y1 W]2 K9 X+ d/ B+ d
set j (j + 1)
0 }0 }! K9 u6 T9 _- e], t3 |8 L0 x; M% n3 N8 n
set note (note *(exp (- (1 / k)))/ k)
6 u7 s- Q ]/ g8 l. x* |- Jset credibility-list (replace-item i credibility-list note)
! h) q a7 E9 [- F% h" B; n) pset i (i + 1)4 M$ X3 i: M l# _' q/ S8 M# p0 y, e1 ~3 ?
]/ y u' Q7 Z: A0 |8 s8 P% V
end
, h& g7 @' s. n' W& ~# R
1 X! n0 E* w' N$ Bto update-global-reputation-list9 w2 g8 R' S0 u- n- a3 @' c
let j 0 Y7 ~: b) a: u' q& }& N" u" @2 [ ]
while[j < people]
4 o) X0 Q# F4 Z, D[
+ Q8 I Q8 M0 {. Elet new 0& O7 m* }/ }! D# A0 ?
;;暂存新的一个全局声誉
- h, j! A/ j$ T% Ylet i 0
: t& x# [# q. y1 L# Blet sum-money 0) l! l5 A: G0 r
let credibility-money 0
7 }% E0 w8 o5 hwhile [i < people]
: n* n$ O# r/ u$ T8 R[
6 R4 d" ], d/ Fset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))6 d8 b' N: u/ W) l9 ]
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
0 w3 ^1 [: ?# x g# B4 o9 E* Q% r' Z# Eset i (i + 1)
1 D& t! r( S" J' F; L]# F M1 i4 b$ C
let k 0# f1 f3 c9 O. _
let new1 0
6 @0 H% S+ C5 c. [/ E3 h, ]- ~! Hwhile [k < people]
& y; K! S9 E' x% U7 o# B" q1 u[% V" I( ?% r7 r6 @- v6 c$ J
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)! S- M' v1 ~( i; Z
set k (k + 1)
! v0 ~& w0 e# y$ p$ i; K. T- `& D# F" v], v% }' z% s. W! D8 x/ C
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: H, g3 o- v6 K( ?+ t( R' Kset global-reputation-list (replace-item j global-reputation-list new)
" }/ H9 }2 p. I, z5 M! R0 pset j (j + 1)
R. G1 q+ v) `/ w8 Q! X]
3 e* m7 K2 R& i- vend0 B: G. G* r/ Z% {$ l6 _* v
' i9 G5 p" i! L2 A
* p, P2 A+ k3 c8 |8 |" W+ [1 f* y! C+ [$ u
to get-color; N# B( A) d( }6 \, z
4 j" R- B6 g, [/ J& ?
set color blue0 h$ {! |/ `/ u$ b- m+ s
end
5 O9 K S$ h7 c# j' d `( b" K: U, _$ }( M, w
to poll-class
% L7 E: L- P" Hend
, t1 x7 y6 Z4 m2 V% F% @& y! v+ }7 b" g% ]2 h( g. u2 M! z
to setup-plot1
* i- v- ^& N8 n
$ B3 m" ]. _3 [2 d* Uset-current-plot "Trends-of-Local-reputation"7 \1 n5 S/ h" H8 k. [
' p, U' O z/ M7 }8 Tset-plot-x-range 0 xmax
. T. u& ~7 N. y: y3 l1 h
1 d: m/ f G! R1 tset-plot-y-range 0.0 ymax
+ g, [& k' u: P; Rend
$ Y: b. H4 k" P7 K( N* q" V" b- ]& B% A9 U
to setup-plot2
5 H R) v. o' w
- G4 u+ g' ^* u: d$ P' h3 R4 B" Xset-current-plot "Trends-of-global-reputation"
4 E5 {- e2 {. z. a
7 a2 r4 s, M7 }- Kset-plot-x-range 0 xmax' N8 n& l& d4 d/ E: B# k% ^
3 Q& M# Z$ X2 x
set-plot-y-range 0.0 ymax
" A) }6 p% x/ D( D8 _end9 f& d2 \# [* S: m+ c
' v, s9 c$ L/ E% ~0 bto setup-plot3
" G' ^/ R* j; |5 h! [3 ?! M, T: r0 X; c9 a6 @3 Z' R
set-current-plot "Trends-of-credibility"3 R0 T8 |$ [& m( W' \+ u+ @
$ g* W7 N( i/ G9 u
set-plot-x-range 0 xmax8 l# e, A9 D& _ |
0 k0 w( \- C$ R- U( E+ Q2 b, D
set-plot-y-range 0.0 ymax
. T! W" j% J1 L! t- t e; }9 `3 Yend
' T( O9 M0 j6 ^$ P' x) ^5 ]5 R7 N. @ A0 v/ C+ W- ]) ?
to do-plots# ?# n: j+ h7 \3 q
set-current-plot "Trends-of-Local-reputation"' {9 g6 U1 j5 I# f# c
set-current-plot-pen "Honest service"
% m- U2 n" _( Q5 j) H+ }" a( }1 yend
5 k; g& T- c% c3 C4 B
$ @4 `' Z5 s0 a ~! F! V[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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