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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* f; d' h7 r, U. H; F, A7 Z7 w. B
globals[
y( c1 m0 r$ M% ^, Cxmax
6 W1 n6 S: l# l9 K9 Dymax9 f R/ T2 H* F4 |. j
global-reputation-list/ P2 X* n9 }+ ?2 ^' H
/ b1 p7 T) D- b4 ];;每一个turtle的全局声誉都存在此LIST中- {, H- }- E' k% ]& } |: l
credibility-list
! A. [- b$ Y$ E3 z5 X- ^;;每一个turtle的评价可信度 I+ t) [+ I; n+ T! {
honest-service" c$ C6 a# _+ u% c/ U1 A' h4 \7 H
unhonest-service5 P0 P) [8 d/ ^7 N; ~
oscillation
) ?7 j" J8 W- G& Xrand-dynamic: z+ N2 m5 W8 R
]
" U E* ~0 }- ]' |
! H# D% ~+ K$ A9 F" kturtles-own[
r$ F8 o& P1 f. o$ s; strade-record-all
% r- _- Y& ?9 P5 T/ b;;a list of lists,由trade-record-one组成; s0 c7 ~: a5 x- H2 P
trade-record-one
8 [: @7 b1 L, `0 Q;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
W3 ]: W$ \5 K4 X" M0 P( `: J4 ~8 _4 {$ q; s- p# G- g* z5 Z4 O
;;[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]]3 t% k- v: d4 D+ p4 d C# l6 T
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]) r% A) J ]- P" k! B# x: Q f4 n
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list7 L$ c$ R9 w" K. _
neighbor-total7 C/ F: c3 S5 i7 C' T- r. z+ O7 t6 Q
;;记录该turtle的邻居节点的数目
0 V5 N$ P! z) l) _$ u! otrade-time9 a- `/ ]6 u8 b0 u2 Y. v
;;当前发生交易的turtle的交易时间& ~; N8 R& J" Y$ H
appraise-give
R5 _( N4 a% N$ A/ r& b! u& [% E;;当前发生交易时给出的评价' n$ N* q. l4 Z! K" s
appraise-receive3 V8 G) e" [! d
;;当前发生交易时收到的评价9 X) P3 h5 ?4 [: x X1 |& ^
appraise-time0 F5 Z2 _7 C( b; U) |4 u
;;当前发生交易时的评价时间, ?6 `$ I& N& N9 Y6 U% s4 R! n# K, m
local-reputation-now;;此次交易后相对于对方turtle的局部声誉! O' M/ T0 P2 E$ _" n% R
trade-times-total* v8 G0 M1 n6 D+ O, h; i
;;与当前turtle的交易总次数- u6 A: E0 n8 G9 Z6 O t5 x
trade-money-total0 k8 S; z% S3 E" E& A
;;与当前turtle的交易总金额) i, q# x/ r3 }: d+ N
local-reputation2 J! s5 L& A$ k9 D
global-reputation5 v+ J7 S2 `1 L$ g+ b A6 U
credibility
& \% Y' E7 l+ J' y" c0 P;;评价可信度,每次交易后都需要更新. k: U- l- m+ r2 T1 j5 E
credibility-all2 J, B2 W+ n1 n, p
;;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 ^1 C! u9 y, A# |' r- M- r
7 G2 G4 w- h4 x! h& o c;;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
" `; u' M0 {5 p( @credibility-one
R$ x6 V$ ]3 Z; j3 N* s;;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
3 ^5 S3 L! U, W3 |global-proportion! a# p& A8 x* B9 d6 g8 {/ f9 u
customer( X8 J L& g9 ]' l# h0 F1 ]& O
customer-no: k% r$ m' u$ t W9 k0 X: [' Z
trust-ok0 l; [; e) t7 X- n
trade-record-one-len;;trade-record-one的长度, D+ }. W7 ]) C+ W: X/ T1 q
]
- T. r0 F+ x' S) W% N% H g' i2 ^ k
;;setup procedure
% I+ G5 X$ F$ W
/ S4 p- W1 ~2 \& f: rto setup" N) |* ~0 D# \9 ?4 K
. G* c+ F) e) V9 o) z" mca
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s! b; \7 W6 q j5 Ginitialize-settings3 @8 x" @# y) ~# U, n
: d5 @# T/ w+ G: @) m
crt people [setup-turtles]
( N K+ M; w3 H. L5 x0 [3 \8 v j8 G7 p, u* M
reset-timer+ e8 ?# ^ {. e1 m7 e" K
5 {" Y) v8 [- ^poll-class
# V4 G1 m" N8 d6 l- e! W+ C. A+ u0 i b+ a; F- H' G& B
setup-plots) d) ^! Y3 M# Q( ^' U( V$ O
' a. e3 F* e n( Y1 [- Fdo-plots
, D3 V3 K' f9 m; }5 Send; b! ^4 o7 D: j0 m
2 U+ q5 u2 S4 N, o& i' Mto initialize-settings
- h, g5 Q3 b. c* n. P
2 d: r/ S! V6 Z+ H4 e L. Hset global-reputation-list []- }5 ~2 |5 O. }; ]. `
" c5 j" _7 D( L8 h6 N2 Wset credibility-list n-values people [0.5]
$ h! x! x7 a, ~: Y
5 D5 s) ?$ B, j( x$ G0 U# Rset honest-service 08 }. a+ ]6 q8 H. _7 I( ]
, v1 t# X1 T7 ] T% u( P
set unhonest-service 0, V( F6 ]4 x* b l1 e5 e) k
5 K, U* |) Q7 i/ T6 uset oscillation 0& y+ T8 j+ b7 L1 r* z e
$ U. r. Y, J' e# N4 Q- o. F
set rand-dynamic 0( A; |# g6 O* u& A& y9 \! e
end/ x1 t' D4 N' W* e9 s
/ _& F! p- T/ e3 Z( E6 p8 m# {) cto setup-turtles
; F' V2 B, } Y6 n9 A( tset shape "person" J! Y3 k' W6 K( ?
setxy random-xcor random-ycor
* Q8 l% b8 S( Z; O! Pset trade-record-one []
9 i- O2 d7 T4 |9 z- M/ L
9 p( L8 |3 y: J, i, {& }set trade-record-all n-values people [(list (? + 1) 0 0)]
* p8 f* h6 g8 F9 J. g, [" _
& ^1 k/ ?& s$ xset trade-record-current []6 C* h9 T4 B2 z: S7 a* H
set credibility-receive []
0 u4 a( X/ G3 P5 D9 [set local-reputation 0.5, u* J9 D" R% y+ p3 A- m; V$ h* u
set neighbor-total 0
+ O3 i( z, E. X' h; C: N/ Eset trade-times-total 0
, O# }" F0 S4 Q) h* U8 q4 Vset trade-money-total 0/ e/ e9 s! g; j6 _, @
set customer nobody
% \. e% P1 R& ?& oset credibility-all n-values people [creat-credibility]2 v' D( Y! O2 F2 g$ K, y
set credibility n-values people [-1] q- Q" A! K i8 q! {; O
get-color
]. a8 f% k! s* ^/ d2 J# j) ~( X' K: `+ r& x1 m
end4 ^ ~" \& Q" Y3 N8 @5 x D$ j
# K' S$ a, A# u- Sto-report creat-credibility' b5 j# C, U9 U
report n-values people [0.5]/ X2 q3 I7 @/ J$ n! C# c
end
. v4 {3 l" b7 A& U4 i- S/ K( p8 a0 D }2 P( J/ B7 ?
to setup-plots
( W4 D4 w6 a8 ]7 L7 K5 t3 g6 | s: A0 ]' S! Y! q* [
set xmax 30 f* K1 L/ a% d3 I2 H) b K" g
4 L6 P& x. `5 m: z- `set ymax 1.0
3 f( [# s4 [" ?% S7 l9 N" d: w0 h$ z) t( N7 M7 \* f/ Y
clear-all-plots
7 K7 e3 M) s/ C( A% M" W
8 G) j" R) j% B" [setup-plot1- j# C, }2 B4 |8 |0 F% b5 k
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setup-plot2, k# U- l( s6 t) J& E
# I! y6 S3 V9 p% b. ^6 Esetup-plot31 n, H* b) J. F5 ~4 {% m
end
8 l+ d; n3 L/ _0 v, C5 o/ R& ]) b$ V! b& Z# v& M
;;run time procedures" ^; E$ A' M4 d4 {- s
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to go. D0 E& ^& F3 B
# Q$ {" l2 X3 L# m9 \4 dask turtles [do-business]
0 v; M2 O( n9 e. u3 Iend
% r' @- Z& Y1 N7 L; h2 n+ n* ? }
to do-business
. s( ]2 |& O6 h! ?! N& w
5 U7 u3 B3 u1 s0 P5 ^% @; a0 f. Q, d7 [- |" Q
rt random 360
M& g2 F- D& R. O, l7 l, o, s f" t6 ^7 w: S ^& R2 u
fd 1/ O- p1 E, }1 g* h: J) }1 F" P* K
& p& t2 a8 ?4 Aifelse(other turtles-here != nobody)[5 A; G. l& Z8 r5 u
1 q1 j+ ~/ s3 J9 \ d6 y) \2 oset customer one-of other turtles-here4 L% K' n. l& F) I& F% O
( l& f# x' C F
;; set [customer] of customer myself$ Z- C8 ~ m& S a
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set [trade-record-one] of self item (([who] of customer) - 1)# o6 P; y& x- i: C8 o. b
[trade-record-all]of self
- Z0 ]" |/ X3 U* A# t% Y3 Z;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self* {$ _- D& R5 h3 q' [
: L9 P/ g2 {) A; O8 f0 U
set [trade-record-one] of customer item (([who] of self) - 1), g) F+ n- N( B8 K
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self1 w$ p% B3 W( a! v! A P* B
; K2 y. z. N6 `% m+ dset trade-record-current( list (timer) (random money-upper-limit))
1 i( A9 V! @9 c% c F* }, H9 g T( G v
ask self [do-trust]
2 M( I, n* X* e: Z( J;;先求i对j的信任度
6 S0 u# S1 b) r: X- }( s7 s: D/ U5 T' ?3 s4 |: }$ f$ }. d
if ([trust-ok] of self)3 j- B, s9 t) b; v# N7 m
;;根据i对j的信任度来决定是否与j进行交易[ t& E/ n ~- R+ K
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself D9 y, C1 d' e# B- O* `& l
, s. Y, X2 O9 d. K. `
[ m9 F2 ^8 k8 {
4 s3 R7 P2 R1 \% @9 F$ Xdo-trade
/ k- \& q3 L, g7 Y7 n. r0 b: u$ o" }
update-credibility-ijl
3 O; [9 P* }& S3 N" j* b E0 t2 d
update-credibility-list- X! B' t- E& J' U, M0 C
, J- Y% W1 }1 ]& i u+ E; _
" L) L7 w$ S7 ]' ?4 Iupdate-global-reputation-list; P n" A: h" j; A
. u- J, `' {. e1 g' l! Ipoll-class
/ k" G: x* e3 E' P4 M3 ~9 F9 K2 Y& k; W
get-color
# M& s* b- ?6 G, b8 }7 V
- I3 M% w; }. k5 R" Z* x]]
+ e7 L- y" I3 Y, W/ n' A
9 N+ E. N# \; y2 n3 l;;如果所得的信任度满足条件,则进行交易/ l$ m6 }( D2 r0 Y# t
2 X# U3 C/ S4 e( `8 J, z# q6 x[$ D# B3 f' U2 T! E: W6 p
% c5 h2 Q0 o: S" K$ v( R
rt random 360
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fd 1
2 |# M' m2 B: p6 U0 t( f/ w+ n1 E4 `! ~6 D
]8 C3 ]3 A+ z" S) L5 p. d, G
$ }: c( t9 O; e% o8 n0 i0 x8 e2 wend4 h3 K' g* ]( w- u8 I# A( O
- ?6 ]. R7 ^4 \/ lto do-trust ! s+ X$ g( @+ C% q7 U) ^ _
set trust-ok False
4 t! ?6 _5 h# W) [
5 E- x" F8 {) q1 O+ d! E" p6 k3 w# }, {# C7 D* R* K! a, u
let max-trade-times 0
7 |; A( M; F+ ^foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]* N0 j! }1 v6 g5 `8 z! `$ z& C' P
let max-trade-money 04 B) t- `- @9 i% u9 f3 e* Q/ {- _7 s
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
H& t$ B* q* alet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
/ n L3 S& s& @6 K$ S! `
3 X( v+ j8 c0 ^; V$ \& J& Y8 m4 @. u& ~; f" h$ }) T, v* t# B$ h! `
get-global-proportion5 @# E5 N* `' r+ R( k* L1 S
let trust-value3 p! E; U1 d1 f8 h) _
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)
0 Q* ^! R6 M9 `5 g% r" Rif(trust-value > trade-trust-value)4 d. X5 [( D# i& _
[set trust-ok true]
2 }) [9 W4 n% u( N4 z( jend
' K: M0 T3 T5 F, U8 O- U, X l1 K2 H
to get-global-proportion
# B" m5 ]3 C; o8 Y. P3 Fifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)$ f }2 L3 h3 g1 R
[set global-proportion 0]
, Y2 ]9 b5 f3 I( p3 a. F' v' b9 C[let i 09 e2 L7 D, T# T4 p+ O+ I6 g* N4 S
let sum-money 0
, j, F" q9 g% o, f' ?$ [while[ i < people]: ^$ t" k( Y# R. `6 m
[4 ?6 a/ ]1 ^* f; a+ t
if( length (item i
3 n$ s9 w+ V4 M( M[trade-record-all] of customer) > 3 )
; C# s+ ?, ~! t3 q5 y3 w3 g: {6 f. q% N[2 i9 x$ F+ y: J( t! u) i" N+ W
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))6 U) h* r- g6 Z3 X" [1 _- p
]- G5 b- v3 T7 `7 ]0 {: N# s
]
5 ?' j" d4 ]3 ?$ o+ ~8 Dlet j 0
$ A; c \) _0 Y' ^! G! V8 v2 \let note 0
9 _6 R$ [# Q5 q/ i+ Iwhile[ j < people]# R. y- J+ @5 g. j8 L/ i+ d) n
[
" T3 u3 }8 W% _7 tif( length (item i
6 h- f2 H) c$ s- J8 i[trade-record-all] of customer) > 3 )3 z6 S9 p4 u' a3 U2 W& r
[
! A, x& G7 L' x+ kifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
0 R8 f6 P4 R8 `* W. t[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)] n. R6 u& U% l) t4 \! b" j# M: g
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
. G e% d% |# D ~' b9 w! q* R$ d], F7 u( \ s6 v' |7 n
]
, d7 _) C; O/ D6 e! O( G% ?set global-proportion note3 c1 B( Y* ^; n/ e/ d( x
]
7 ]' R/ `5 @- Z0 M8 Send1 W! G+ ^$ B% D' s+ B
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to do-trade
: I$ N0 z6 K+ };;这个过程实际上是给双方作出评价的过程$ Z, i- ?6 v# _0 U( \- b; V* A( a
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价9 R6 N; C& Y5 o% m) C0 I4 C! E/ v
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
% \. |9 B1 o7 J: G' gset trade-record-current lput(timer) trade-record-current
7 k" c5 o& ]2 m;;评价时间3 u3 H8 |3 J( A3 e' u: l% }, ~
ask myself [
& h8 ]* w0 \2 _) ?/ \update-local-reputation& f9 K% n! C7 ]* o! ~+ c. b+ y
set trade-record-current lput([local-reputation] of myself) trade-record-current! L# L9 |$ W) O& ` v( P$ e6 D
]
! D' x0 X) f! \7 }set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 H u6 C) ^1 m- A: A
;;将此次交易的记录加入到trade-record-one中
# Q* A$ {: E" O+ @* b9 R5 Iset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
* d9 \# M; }% M# n) Vlet note (item 2 trade-record-current )
3 N* [7 ]% O4 Iset trade-record-current
0 q5 ~6 g5 c% @) C( O h: b(replace-item 2 trade-record-current (item 3 trade-record-current))9 `& m& q1 o- }& Y! \
set trade-record-current o9 i3 ~& [) O& O
(replace-item 3 trade-record-current note)* l% V4 t( o$ I2 W; L
8 ^/ `, y+ H2 y1 ~" k
# K4 `1 f" i, G$ x! ]ask customer [
9 t, S7 C/ M# D7 w( yupdate-local-reputation# e+ Q7 N! h4 g2 d
set trade-record-current
) u3 D6 {% e: ] _& a; p* ](replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
5 A7 X+ o& ]' [" v% R( H/ S* W6 {7 E' I; o3 I0 ^
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))& v7 U% A c3 h/ M l2 C
;;将此次交易的记录加入到customer的trade-record-all中
6 z' @4 w. K: @7 a. U' }end
) B% @$ M/ f5 Y5 ?* d
! S9 M, E+ `& N7 s# Tto update-local-reputation
- L" b' D# o% v8 hset [trade-record-one-len] of myself length [trade-record-one] of myself
; w$ f& W. e. h& n/ {6 ~+ u4 U# r' E/ Z; _4 ^7 k
: B+ E2 I* T: c4 {( J B) K;;if [trade-record-one-len] of myself > 3 0 C8 T: t: n6 b$ B& c, l) g* O2 } a
update-neighbor-total1 x5 B. b/ L3 \$ h! @2 { k1 ]4 i. i
;;更新邻居节点的数目,在此进行
) r: D* n- R6 K$ g8 glet i 3, w7 u+ S7 t9 k/ x4 f% ~ `9 j
let sum-time 0 N; W2 b: @- E; G8 O" S
while[i < [trade-record-one-len] of myself]* [* q3 h: W6 U# C! c# N9 n
[ X: H3 l _" K' G
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
( @( e* b8 Z( Zset i* y+ {+ L5 n; ]$ @$ W1 Q/ u: x
( i + 1)/ s( J5 x1 a( x% B8 u9 E0 O8 `
]
$ L0 d: q# c9 x% _9 e4 Q: ?let j 3
2 B; P" w% w4 b3 F* [! ~let sum-money 0- {- s- k* f: l0 c7 D" v
while[j < [trade-record-one-len] of myself]
/ P( x5 ^1 M, p6 K% \; r[" |+ g0 z0 ~5 b# ]$ 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)$ F V7 g& N; f
set j6 [# H" b) G2 g
( j + 1)
: ~; _8 O# A! `! r: g]
' M' f8 j6 A; ~% {/ L9 D* E4 d3 ?let k 3
+ b% [% h0 w: [3 H* L+ nlet power 0
; t4 |* R+ `+ G$ V. @let local 06 w' m4 Z7 }3 \# J0 f, p
while [k <[trade-record-one-len] of myself]' D8 ?* A( ~; b) X
[$ o: H' o5 b3 K I' ^
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)
1 ?! h3 F8 a2 H: r" t+ nset k (k + 1)
; [5 u9 t3 h6 T Y]
+ Q+ S2 {7 @5 j9 f/ T" D1 Hset [local-reputation] of myself (local); l: @6 m5 O' P7 s7 h
end& d" I. ~9 k6 y b5 x
, C q0 y, i( B9 D
to update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]/ a' w; K; m7 k g
, | g/ T) F8 G" \8 y
) @) b2 ]9 l# i; Jend
8 \. ?" T+ u: f: u7 U: U5 m: G0 ^6 b
2 h, s8 J7 Z0 v) Z3 gto update-credibility-ijl
% f, E! d" n( t# t6 B' V
+ u+ u- a6 m" I3 Z4 J& w4 u;;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。
2 Q* p3 K6 t0 u/ Dlet l 0, @. |6 r/ |) c: S7 m! V- C' }
while[ l < people ]
- b3 W8 z# o2 Q; }+ t3 X;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
6 k9 v# A% s$ A tif (trade-record-one-j-l-len > 3); p) F+ A6 K% Q4 O" ^0 z7 ~
[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- I! V k! G# s3 H# L( y9 S6 w
let i 31 v0 n8 y' F7 _
let sum-time 0# x3 s& W: a; M, l* q# u
while[i < trade-record-one-len]7 ?. h- t. t; Z) H
[$ d. x4 ^' V q/ O8 g
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
% |; @7 ~# K. d! m' o; v, [, R% Cset i
/ N8 m. _+ I/ e- T' j0 S( i + 1)- `) t- b% q6 K) j) y
]8 a4 j+ f& R# ~5 ^* l( u
let credibility-i-j-l 0' g, a9 z8 l; \* N/ }
;;i评价(j对jl的评价), v6 v1 F; i, o g1 x- L# a% P
let j 37 }3 C: D' {' p4 n) D; [' \3 y" q
let k 4
- V0 J: U7 ?* V5 y$ f# R; t/ kwhile[j < trade-record-one-len]
/ _9 n. Z$ c% F9 `0 u' L6 c[
) l9 X1 }4 c+ I L) mwhile [((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4 [5 P5 |2 f3 Y* }8 n( J
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) e! z* H) u( u: V
set j
( B3 X. N. A* G: P( j + 1)! `, o1 Y8 u3 }+ R* {
]7 X' L1 n/ S+ G) [/ w, `$ T
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 ))
/ u6 c, K1 M, S1 d$ b& t! i" R4 y- y1 ?2 ~" u$ ^/ z2 C6 [
+ H" }& D" w6 k# Q0 M4 {4 V6 plet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
$ u6 g( X- J$ Z0 L8 \;;及时更新i对l的评价质量的评价* s% E. y# [: J: |# C% [
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
' T. H) r) M* J! F' Eset l (l + 1)
+ G; E4 t g$ I2 L7 n7 E( K]
_6 Q$ ^3 V4 t, f! c' s: b! Pend$ {' Y$ J% v: u5 }! w2 F \
8 V+ M. K* S' Z0 qto update-credibility-list7 s7 j( m6 N; W9 |' A8 P' O
let i 0
1 N/ p& d; }" L( Z l# {! M3 m) f# ~4 Uwhile[i < people]
9 G9 n* X, U" ?8 z[$ [% b" n: K5 x& h, |# t
let j 0& o6 p1 J( d4 G3 c4 c+ B% F
let note 0
3 Z/ Z6 Y, j1 j" |) \, Rlet k 0; F1 c' \, L) W$ S2 E
;;计作出过评价的邻居节点的数目" e: X7 W# B' a7 s8 N. z
while[j < people]
4 G; @$ d8 Z) C& `[& }3 R% d+ ~/ U& T0 x
if (item j( [credibility] of turtle (i + 1)) != -1)5 Z& ^3 ~! `; A- Q/ v4 T* o9 |
;;判断是否给本turtle的评价质量做出过评价的节点
; ^7 S5 A$ |0 G4 ^% }7 O( U[set note (note + item j ([credibility]of turtle (i + 1)))
+ ]: ]$ a4 T8 ^3 Q4 q;;*(exp (-(people - 2)))/(people - 2))]
! k; A5 @0 {, j& K! g bset k (k + 1)
6 w' B: H" b9 ]4 J! _9 W$ S]
* S4 K% Y/ P. B' fset j (j + 1)( f+ v0 P9 K; d3 X* l* z
]
d! l- ]1 ?* Kset note (note *(exp (- (1 / k)))/ k)0 V( z+ |" Z0 R0 {% q
set credibility-list (replace-item i credibility-list note)
! v5 e) c% D4 Q0 z+ E* x( Uset i (i + 1)) @4 r. ^8 f5 }8 D' O; Z8 Q
]
* C9 p6 ` f/ {+ o- J* r0 [end+ {; h: c7 p. }. [5 j0 I
9 ?1 N3 A+ t7 x( z, yto update-global-reputation-list3 A& ^6 C: F( M1 J
let j 0" L" q( {7 ?; H) p7 M8 {
while[j < people]
! _3 g/ l/ {3 ^* X4 D! p[
z1 z! X3 m& V+ R. Y8 v; Klet new 0* q8 D$ X* i& q' P8 K
;;暂存新的一个全局声誉
! S- S' ?% e5 t1 d& W( w" Vlet i 0! c3 I$ c, [" O3 O1 K1 z
let sum-money 0: e; s7 `( @7 C9 |+ f# F& ]
let credibility-money 0
: a3 Z- D( H0 M+ i3 L, twhile [i < people]
1 L& L3 ^' ]% G. M+ N[
7 e2 C) m3 @9 Hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))). h, i9 f, ~% p% [: [3 t
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
; s5 H) {8 |/ s0 b( u+ e' Hset i (i + 1)
1 b; y9 D$ {9 z]
( R! R1 ~8 s8 O# s6 q+ `let k 0# X3 J ~% w2 N8 ^$ U# O _6 s& b- |
let new1 0
: ^/ H- ^6 B6 O- Q' awhile [k < people]+ O( b, D/ |) y# {3 I! D
[, p6 `% }9 W7 Q4 \! G8 {& @
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)5 A- d3 i" f5 f' \+ }# b8 `
set k (k + 1)
% b* }- J9 b2 d) R: c5 {]9 s6 b1 O0 V7 c* z3 T1 U( Q
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
# |9 y4 G: O5 X, e9 E* \( \) qset global-reputation-list (replace-item j global-reputation-list new)' m: o7 J# D2 W& M9 N( A7 i9 q5 {
set j (j + 1)
/ P% b$ ~# S* f+ z]
. D b7 ?) W7 P U: [# {: zend
0 M& v" F: t, C6 B3 x5 j3 J; z& @% l2 ^0 N/ X* O9 x% x
& K. x1 `/ d! }- K. F; Q2 z! H6 x8 o6 Q0 K: Z
to get-color
, I2 C* B4 `3 f& u% ]. @
0 N6 p# E; n9 A4 M& P3 r* Z4 pset color blue
# p4 @6 C: I- B4 F! B4 Qend
* r6 d( B6 Q6 P# K. t2 ?
! {6 E% m V8 g6 X( i, W( kto poll-class
' s, j7 } G1 V/ D& L, R( fend4 S) S* L# K; J7 O4 g3 |
' p& Q6 P+ k5 e7 f* H
to setup-plot11 s1 n, z$ @2 U) z- L- |
: w, t; B$ Z" ^: _" K
set-current-plot "Trends-of-Local-reputation"
' C- b9 Z. E$ h7 m9 Z* k6 m# o9 u4 H- y* w# T5 Z5 z# r
set-plot-x-range 0 xmax
a2 w* i' e* x
1 F/ `6 }3 r) O, ]set-plot-y-range 0.0 ymax
0 @$ O2 p- t) O1 X" tend
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% d7 P: h- ^" p- l; D1 [to setup-plot25 d6 H4 E1 S2 y2 c T2 r5 K
+ |$ `" C4 u; j) w8 S
set-current-plot "Trends-of-global-reputation"
% p" Q* Z" b) Y# `2 W) P
& H% d6 J5 B9 Z @set-plot-x-range 0 xmax, [( E' s* B5 G; P
+ @. i! V1 o+ J6 S2 A3 @
set-plot-y-range 0.0 ymax5 {1 C* u6 t& b! T. M2 F; v
end
& `+ _3 v5 [" [, M: R, i2 `; G$ T' {; I% D0 i$ R) r+ |
to setup-plot35 Y# Q5 ]5 o* p
+ a7 _/ c) ~: s* b% d3 W
set-current-plot "Trends-of-credibility"
6 P2 H: F. n" y8 \% ]! W
, l$ N5 }/ I# v4 C/ ?set-plot-x-range 0 xmax
' h% Y$ Q1 s. c, M3 ^' ?" \. W4 t# B* ~& }8 r: B
set-plot-y-range 0.0 ymax! _7 S8 ?( \/ ?$ |
end
" l8 X4 }+ y/ o' z: q& j8 @' K% u; j9 ]( g. C7 a7 n/ F5 l) W
to do-plots
( _$ F6 Q3 J) ^) ^set-current-plot "Trends-of-Local-reputation"
$ X$ o: n B( ~8 J$ Wset-current-plot-pen "Honest service"$ U' i! x9 W" M2 P4 W
end# O2 [" ~* H4 {5 Q g7 R7 _
8 H+ |8 b# z7 v[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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