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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
8 t" ?' p1 L3 j, I$ ^+ _+ sglobals[
3 F5 H- g* d+ y1 i! G8 r9 p" gxmax6 ]0 |% t) D- D, V8 G
ymax1 t* g: ?- g0 o8 B
global-reputation-list
?4 A; p; q$ e% g( B: P
7 W/ A0 D: E( A* y3 L0 L;;每一个turtle的全局声誉都存在此LIST中4 _7 S) H" I) \
credibility-list. `9 R' k3 U, ?: R4 g) {5 A& _
;;每一个turtle的评价可信度+ M! P- v* E' q! d
honest-service0 N, n( G k& M6 D9 C
unhonest-service
0 a# P/ A; N% e2 s3 |: s) l! ?oscillation
* W. q- k1 Z7 vrand-dynamic8 z9 V9 x, R h; ^
]
" @( P. X* R7 W+ J
! G) E/ c. ]- L$ \2 iturtles-own[' ?$ t3 y8 H! S- n$ f! H
trade-record-all! t1 S1 T- V- [: `" c& a0 `
;;a list of lists,由trade-record-one组成
% {$ i; P0 F" Ntrade-record-one! k" r+ ^" P' p9 W
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录 x8 ^1 j' ]# j. L) q
9 T2 h @6 M' _- [8 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]]
?# f1 w2 O" _2 g6 n" Q# 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]- c L& ^8 |" N1 ]% 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
; ?! u; Y; r# `: C2 qneighbor-total
* L/ k$ u+ ? ~9 `4 A2 {% z) };;记录该turtle的邻居节点的数目
: m! C, t' s# v1 Rtrade-time
/ ~4 y% H5 d/ A$ A;;当前发生交易的turtle的交易时间
7 }% [" K9 O; X/ _- `4 ]3 R iappraise-give
' d; [6 o2 E% `- Z* l! a; L;;当前发生交易时给出的评价9 C( [& U1 X' u% A/ c @
appraise-receive0 G/ [2 [, d. N: q5 J* K
;;当前发生交易时收到的评价* B1 Q4 ^* P0 O! E3 [$ f m2 D
appraise-time
x/ X0 S$ [$ W. E; y4 k# y;;当前发生交易时的评价时间& |% S( Y8 ]& q# f, K( {
local-reputation-now;;此次交易后相对于对方turtle的局部声誉) b9 n$ T0 D$ v4 Z V7 [6 G
trade-times-total
& @- m; \( I9 }- d- G( i3 q;;与当前turtle的交易总次数
' L7 }4 h! C$ u4 U7 otrade-money-total
" U& ^/ E$ J( _" |! x" t;;与当前turtle的交易总金额
8 y( S5 `* E. I& L( `: }local-reputation$ r& f6 _0 D$ s4 F% y
global-reputation
/ h8 l( s% [5 V3 _! h ecredibility7 [6 T2 V- C- d
;;评价可信度,每次交易后都需要更新$ d4 [% E0 p$ d* x5 }$ v" P+ k
credibility-all
+ A9 O5 p" A6 j8 ~2 \ \;;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 n" v! N R5 ?/ J" h( R8 n& P" n, c4 I) R) 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0.56 W: |# ~, f3 W
credibility-one
' W4 j/ X- \+ G;;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 c. c; R S0 ?6 x( Q6 eglobal-proportion6 p5 Y( d; v; H# H; @# E
customer2 @2 w( ?# C Z" q9 z
customer-no- D5 ?6 t# f: W4 n' g* j, n
trust-ok8 K! Y% c! S) a( h1 g7 W
trade-record-one-len;;trade-record-one的长度6 I% L. X9 l% R6 b! ]9 J0 D
]
& o& ?1 @4 q$ w" [! b: m- f# }* z! W+ l
;;setup procedure
: o& C. P4 Y) q6 ~. `
8 |7 M$ d, J, W' G2 sto setup
7 Y9 R8 {/ O- y! L3 E2 @5 P
* }1 B' W( V$ s$ _3 Rca4 \# n6 J1 ^( Y3 W% C) b R6 _$ c% Y
! Q U# P/ E ?initialize-settings# \9 R( h2 G' k. Y: p; k/ F
2 a2 z" a5 R9 W f& d3 t' S7 G6 B# f! p
crt people [setup-turtles]
2 v% m7 a9 E+ Q3 M+ g, l- B) H/ Q0 d
reset-timer6 m [* u- }# t
9 t1 s4 I& ~+ u# ~# qpoll-class
( u8 {3 [! `9 _. i9 E/ U
" j7 M) G% v. G$ x, F. G2 d' j! b! qsetup-plots
5 k6 B" Y' }5 d' F( y/ o; w7 S; N- E4 ?/ z( d
do-plots9 }7 g2 F$ P. l( O% r6 h$ T
end i- k6 \4 [/ r/ g$ D
) K0 F( a* U# N0 L8 T' x! Q
to initialize-settings, x- C% g0 K' f
% ~( @8 A! _7 r# U' |3 B% iset global-reputation-list []
! }# X3 P0 _( u
) q! x9 \7 H2 {* {. sset credibility-list n-values people [0.5]
$ ~6 y# W7 t! A: t9 q+ o( ~
5 T {* n3 A$ p o6 Vset honest-service 0
' J2 I! d( D" S+ R$ c5 ^3 u D
$ z1 ^- ^; N! Lset unhonest-service 0$ S$ k* h! [1 K) {) ?0 @2 F
/ f% |& V: X5 }3 s V
set oscillation 0
9 R# R9 k/ {: t1 B; t5 h3 R- `0 J8 j; n# {4 p$ |
set rand-dynamic 0
! l$ I! O5 i; _' ^ I2 [end% z) T I* @2 e
# c1 k0 S+ m' U4 ^
to setup-turtles
8 }0 b' O/ l8 a3 ~( Wset shape "person"3 k8 H/ D& l7 o) d7 l
setxy random-xcor random-ycor( j5 z, @( F7 D- h8 j' @
set trade-record-one []/ W0 S3 s. W( u! {
- z+ o3 _ Q9 ^& ^set trade-record-all n-values people [(list (? + 1) 0 0)] " z( t6 i6 n, [+ Y' p
, t/ T# h! s$ F) z0 h
set trade-record-current []0 W! i8 A5 `& q, M' }# Y u: C
set credibility-receive []2 F# D; v) Z2 Y- E- m+ b& V
set local-reputation 0.56 Q5 H3 w0 T) @* C
set neighbor-total 0! O5 s+ R' M5 W( b) n
set trade-times-total 0( H1 w, B5 a5 }
set trade-money-total 0) Z; j0 b, l F* z
set customer nobody
$ \: k |& e2 A; N. U8 y" ]0 H9 O9 tset credibility-all n-values people [creat-credibility]
9 C, R5 h& y/ X) X! S. J4 b* Qset credibility n-values people [-1]
2 }: q+ @' L- E; |7 F$ W! i% mget-color" v! ~: q3 S* d- N
4 Q3 ]$ @2 D* Q7 T4 O- T9 [0 S
end/ U6 i5 T. j' ^' t2 t$ M' W
8 m" ]0 z$ y; \ B0 q+ p! m7 I rto-report creat-credibility
4 n; I: E2 y* `6 Zreport n-values people [0.5]
, [, B. O) Y+ a6 E5 Cend
# x% `: N+ o5 C$ D% n' }
2 c" |& c- s" e% ^- d# P+ Zto setup-plots
, b9 x4 B3 B3 X0 l
/ D& o4 _% r9 k8 R6 C' r; Cset xmax 302 K9 z2 b7 q) P q/ [2 _) [- i; @
6 [7 k9 k! S) v) v$ c" v8 |
set ymax 1.0 Q7 c! t+ Y. @, A/ [- M2 O3 o
* d+ Y) B. b5 O" U# s, k# J: ]2 F8 Jclear-all-plots) N$ K; u& o. ]3 P3 R4 ?+ ^: Q
; b0 Q6 }& k) T) _ N
setup-plot1
- ]) r P/ v2 C* ^& h$ g) V. r9 Y' Z; C9 M1 K
setup-plot2- d; o$ h n8 N- D# Z
' i* g" l& I/ x7 s; ]setup-plot3
0 E* P7 P! q0 _0 c4 h$ o) fend
. R; |% p: Q$ b/ M6 X Y, G) ^7 W; K; r* U Y2 E" j6 t$ X$ M
;;run time procedures/ R6 z% }/ f5 `$ L1 i+ \3 z8 q
7 x9 J# C* p0 T, ^! M) {4 C/ f# Fto go
& f) E! s* r, z+ l q' P, @) |+ c% V1 N% h/ p& c1 k
ask turtles [do-business]
! Q0 B2 e" G7 C% Z- d, m4 ^end
, H; m3 I% |- D/ W) B! I# D4 I; g& r1 x
to do-business - ], d5 W5 H& B# F r
" R6 a6 z8 Q8 V
: O/ H/ d2 v* irt random 360
3 O% L7 l" r$ @+ ~( }# ?( X* ~: G$ d/ k# x4 f, L! k8 U/ Q
fd 1
% H* ~9 F @4 f3 S/ Y3 H* i
- Z5 m9 e0 L3 x, b, n0 Jifelse(other turtles-here != nobody)[" O& I$ C6 O/ L7 H5 X# a, K+ r1 F, [
3 B/ v1 x, z( g, O2 O# u
set customer one-of other turtles-here
3 u I( z$ c% w
* k; s1 v9 h' w* l5 r- S8 l( O;; set [customer] of customer myself
0 j4 I8 a' N( Z; K. q [+ s) [8 x4 W: t9 T% Y* o
set [trade-record-one] of self item (([who] of customer) - 1)1 z" I1 {0 K! |1 O' ~
[trade-record-all]of self
8 d0 J- r$ C# T;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self3 V" y" w7 ~1 H
; m1 d& N8 T: a( g
set [trade-record-one] of customer item (([who] of self) - 1) y' p. m3 }2 P& W4 L
[trade-record-all]of customer3 S2 }8 p' j) |9 @& Y1 \* z+ r
( i. N9 J8 E, a% i' v2 v8 y
set [trade-record-one-len] of self length [trade-record-one] of self
5 a% s2 ^( i( g( Z% v9 X) `0 i$ Y9 S1 \9 F
set trade-record-current( list (timer) (random money-upper-limit))+ I* e v! F- Z6 r v4 `# j
- r( Q, N9 w9 n2 W0 W
ask self [do-trust]. d6 l. O- r( U8 B$ X8 H
;;先求i对j的信任度 T; w0 Y7 Z* i
; b. @) q4 i- G- J! lif ([trust-ok] of self)
3 P* s1 `- n5 \6 U/ b;;根据i对j的信任度来决定是否与j进行交易[
, n$ b7 T( C2 v. W, gask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself* s% M; o+ y8 x) r d
- o1 X: J/ ~9 H8 @0 A5 r. q[
# f" E0 M) I! X7 H. O9 j8 V& e$ Y( ]' y, y& F6 ^/ r. V% ?) q
do-trade
+ N V3 x: K& f. c( d# l# D9 S
" e: m9 q( X: a. g! Gupdate-credibility-ijl) W4 ]5 w: l' @0 L7 ~
! H( C: V" |/ Y
update-credibility-list5 H2 G; g+ p( z4 _% S
) |! W0 x: ~# z; y
9 n1 e# H; o" o1 L: z1 _4 e* Iupdate-global-reputation-list, [1 I' n( a& D* f8 j( n
* Y% `' D1 C. [: ?/ e% a+ Z
poll-class) }8 I$ a% o, X* d2 p
% Y& E; e! |' ]' ^! D O5 Xget-color, f, N2 R1 [, a3 ^8 ^: y/ o* d: P6 a
3 H: o1 X, N1 W- z) H, [/ K/ C]]0 l. |: b0 \1 B2 O. ~
. p5 Y* w. Y0 v
;;如果所得的信任度满足条件,则进行交易( z/ N) a- N# s, n% z" @3 I
& O* o3 J, ? f# J9 { h8 g[
/ C5 r/ ^. s1 g7 Y- y4 C3 n' q
. h) k: ~. g9 Y& Z( P3 srt random 360
N, O( m) M. |) {
6 @9 a6 A- I9 H5 O, Xfd 1
" i5 t( @* ]* }: Y
% X1 e3 T3 g! O( t) r* O& m' h' d) {]
& l$ R$ `# q4 ~( H- ~2 d! g* {% @6 w# C( ]
end
4 I1 v6 B6 [. `/ F Q" k
) T! _9 ?1 ]; v6 @to do-trust - @. N6 z# p+ F) V' m) n
set trust-ok False9 Y2 I; Q0 H- a/ x5 k5 Q
' o3 O& H7 s( W
, A8 D( G* ^6 ~: Y0 j
let max-trade-times 09 `8 E& G1 P8 b" u. n7 u \
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]7 R& D( E2 s& A' Y5 E0 \. _
let max-trade-money 0: k5 U! }. C4 |! ]3 `9 j' i
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
7 }- Y+ Y2 F! g" Q: Tlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))$ P1 Y+ [. s8 a" b; {; W
& t8 A4 c1 F4 O, h
, R: L( e2 K1 e6 oget-global-proportion
/ b/ q8 c7 P2 g8 Alet trust-value
/ l" {- g& z2 m& b9 k/ K2 Flocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
& N1 {2 c& h0 `" x+ [7 ?* Mif(trust-value > trade-trust-value)4 C! g4 H# y1 f
[set trust-ok true]' n/ U1 `/ w# B( h+ X
end# y) o+ w' b. i7 R
% J5 Y! b- Y" s; E
to get-global-proportion* d' }: n8 [: t; t
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)" t8 S( ^/ L: t8 h5 R0 m
[set global-proportion 0]
1 [$ n$ ^6 l: D# N+ \1 e[let i 0' l6 t2 x* G3 N# i- A6 S1 z9 ?
let sum-money 0
$ r9 W: F! o: Y+ a2 I* U: Nwhile[ i < people]
7 A% ^5 o" L; F, V[
7 ~; L1 l; [- W. _3 n7 dif( length (item i
; k4 l- C3 _2 J$ c# N" s1 i[trade-record-all] of customer) > 3 ). D3 U1 A$ Y# @# b0 c3 ^
[
% O6 G5 j8 |. x+ H$ q. |: m/ {6 ?set sum-money (sum-money + item 2(item i [trade-record-all] of myself))8 b3 g- I% N+ r% \
]1 [5 d: L, l D1 o+ H0 R
]" m8 o9 [5 c" W- j" r ~6 G
let j 0
% T3 n. ~! f4 [4 O% i2 tlet note 0 G7 m. y4 c1 I! t
while[ j < people]
6 E5 {, a: |" K" k' }( E( }[7 N4 I2 L: G1 x8 }- p' h* k
if( length (item i
- |9 T4 b( j4 D5 _) @. ?[trade-record-all] of customer) > 3 )
2 E1 Y5 P0 |; J' [* K. `& y[
: s1 P$ U/ @& _; O5 u- c8 xifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)2 U% x" G8 O8 f* g, C3 b. |( T, s' r
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]2 I3 P! Y' F4 w: ?, t# N* _
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]+ {; Y' g& y- W1 u7 p
]
) |" I, ?( x1 [9 L% R/ x2 [5 M- O]* q$ }* I$ u. J* w0 e+ M
set global-proportion note6 H6 Z# y2 V* d8 c$ M4 S& D
]
: Q- p) x1 I% z) \! n2 fend. X7 _- V. P) s7 j
- o" K% W8 _: p0 ~to do-trade
# u" _7 h& c' s;;这个过程实际上是给双方作出评价的过程# p! \2 G4 o2 H* x3 K0 K4 ]
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价/ }! \* b& l9 D1 W* S
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
' r) t X( }# O8 F/ Xset trade-record-current lput(timer) trade-record-current
: }5 b* h9 K( c- X9 a( `% `;;评价时间% C, O8 k( `- t8 J' z E4 k$ [+ Z
ask myself [
- o( f4 P( h# a# \. uupdate-local-reputation! W1 B' Z+ I0 l0 f6 U7 O
set trade-record-current lput([local-reputation] of myself) trade-record-current1 a0 R0 ?/ H) c0 [9 R' ]2 a6 l
]
3 v' Z6 s' q3 h. G9 V* \4 X1 x$ O: Fset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself# F! ^4 U" \7 M6 v7 q2 D/ G
;;将此次交易的记录加入到trade-record-one中" x; {5 b, E" z# ^& A8 R# a. y
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)0 t9 Q4 z7 } L" z) o+ |
let note (item 2 trade-record-current )0 D. X) s/ D! e3 s
set trade-record-current
8 G6 j& P& d7 D4 m3 j(replace-item 2 trade-record-current (item 3 trade-record-current))' x) P/ d5 _& ~; b
set trade-record-current
8 }6 _* V+ T6 Z: s(replace-item 3 trade-record-current note)4 \: p5 T% ?2 B0 w- I! }8 f1 e
" h: k; b0 r8 c8 @; F0 X1 n/ |2 Q& ~- S
ask customer [) u+ C, [' v' X# Q6 N
update-local-reputation; L4 ]! |7 h1 x! m, u. @; P' q
set trade-record-current @2 c% \5 f/ c( A
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
5 _& ~5 |! w. {, i6 s W]
" S/ v7 {/ X1 A; Q
+ Q4 @- W* A7 Z, h
$ L) L- A: B- X; W) K9 U1 i: {1 \* Yset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer2 b& A: t+ |. D6 V" Z
' V) h$ q# }9 X1 ?4 Cset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))3 l. |+ b+ v, H% X" u8 S
;;将此次交易的记录加入到customer的trade-record-all中, f& d/ v3 A' X3 q
end# _ u, k6 M9 j3 y
8 W/ ]; g3 y1 X" k% p6 R3 O
to update-local-reputation
b+ Q( W- z* E9 H! Pset [trade-record-one-len] of myself length [trade-record-one] of myself
& g, R$ `1 M9 b% X6 E( w
2 `% O0 p6 N/ }2 I% {3 b3 j4 [# |$ M) _7 Y+ a$ K: P
;;if [trade-record-one-len] of myself > 3
& u7 j8 B8 q. Y" `update-neighbor-total
% J+ _9 y: P: k$ ] Y: ~;;更新邻居节点的数目,在此进行
& x( k+ O3 V; I% {9 P5 Glet i 3/ a, s6 X% e& c% p% V+ }" d
let sum-time 0 N$ t. Y0 J3 m
while[i < [trade-record-one-len] of myself]
7 U0 c) g! u. D[& c% q- L( e @0 a6 e: L8 {# a; w
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )3 A/ H; z6 Z' l) x
set i
. \1 ~( Y/ W3 g, n& d( ^( i + 1)
* f( w' m, L: o]
3 o' k6 v; B/ o0 T4 _4 v6 R! U9 rlet j 3
3 ?& }: j P* Y y2 J( }4 @let sum-money 0/ |- m& d1 a! X4 y* L c; A9 E
while[j < [trade-record-one-len] of myself]! M) }9 d# U& p8 i
[1 l+ i5 v3 |' g7 z8 j3 |
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)4 s/ Q( t- S* i w" C9 V( X- G
set j
- {/ B( e5 }/ J" A# f( j + 1)4 z t- h$ P5 i! \" X
]
5 p9 t2 M/ r2 ^let k 3
" U& X: I; @" U' _; nlet power 0
- k$ ]) {$ d+ F3 W. L% q" Y4 Klet local 0
1 O/ ~" r' [0 p9 b# Nwhile [k <[trade-record-one-len] of myself]+ ^" D: x0 i. E4 }5 w
[# _7 u* E& F1 ^$ O" L7 E, \
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)
6 G, D6 b8 H6 o+ N0 Wset k (k + 1)
5 y V9 x4 M2 \2 q; v, _0 w6 i]
; o. K1 q# j+ @' Hset [local-reputation] of myself (local), P5 r B2 {- i* f0 ?
end
0 m: D( H0 w- Y+ w0 G1 b0 p* I- t M9 x
to update-neighbor-total5 F1 g6 _ X+ z; Y
% }/ X; A' O" v. aif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]- d& c, B% k) p+ h* }
. z- N$ m4 ^& u
2 n* `: b/ M2 ]5 [& Lend
4 q7 G; L! |8 I7 g; |5 i$ x: m0 c9 M5 K6 z
to update-credibility-ijl + a3 Z* C8 p# }6 n1 _5 \
' q; t1 H, I& K
;;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。
' W6 v3 u2 s' W( L' s; Llet l 0
; }: l# L* N3 I% zwhile[ l < people ]; f* f3 p: n" W& \+ t1 @# 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
) \9 y; g1 {% O: \$ _2 d) N[
. v9 l- K0 c+ e+ b, M( ^6 d6 Klet trade-record-one-j-l-len length item l ([trade-record-all] of customer); r# _( ^! k( z
if (trade-record-one-j-l-len > 3)% k8 z( g3 t7 J
[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
) K% k( A% z3 Hlet i 3
! l& [# ^4 ~. p7 [let sum-time 0
/ n$ M7 Q# |6 a% Ywhile[i < trade-record-one-len]2 Y9 Q! s4 L5 r
[) ]' c' ~3 M' H. @3 o6 ]0 `
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
/ l+ X8 ]! ]1 e8 R/ V* Zset i. D; n' l f' K
( i + 1) V% ]" y# W, S: S
]
8 e0 ]: m& }- ^let credibility-i-j-l 0$ \6 [" z7 ~7 I
;;i评价(j对jl的评价)
& k( L( q) g& C2 C( x8 ]5 Rlet j 3
" t Y/ }/ N$ O5 T- Tlet k 4
# s/ ~. D# L1 R% [( l" D4 V' _while[j < trade-record-one-len]
9 _! J% L& |' Z, p[) m. U& N3 _& h8 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+ ^: ?; m9 p* ^5 ~4 F7 h' Q$ ^ H
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)- N/ O5 f* U+ L
set j
3 d3 j2 S* m4 B2 q' H( j + 1)
. L0 `9 j/ o: `3 Y]" O6 Z9 G q$ [0 H
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 ))% u* j A/ T' W' L
/ ]( X y! u) {: j. b
0 g+ t5 j2 M j5 `# V( f/ _; I9 ^let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))( }: F% O, v1 D6 |9 N! S
;;及时更新i对l的评价质量的评价. E$ `1 n9 G# n" ^2 f
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]: i \) A% v. j6 T0 n+ r
set l (l + 1)% r* t% z2 o: Q- h
]
( z7 M$ {* B" h6 [8 cend
' r6 \6 }2 @4 \" d. [* B' L V2 y9 a+ y
to update-credibility-list
1 M1 a4 O1 \1 l/ M1 o# c- P7 O) Flet i 0, |6 R& A1 I: |: V" ?8 r
while[i < people]) B' g& }+ }7 o$ V; r; M
[
8 `. j/ G/ u. H4 \let j 0" h4 y% w, D6 |2 O& T
let note 04 @* q# ` B8 P- k [+ ]
let k 0& S2 l" U! F z# J
;;计作出过评价的邻居节点的数目+ h6 a1 C" V% T; R7 J W' x
while[j < people]
) |+ E f4 F* |' {1 D+ u6 q[ S8 m4 i1 [0 s# V, T
if (item j( [credibility] of turtle (i + 1)) != -1)
6 Y7 {1 f& ]& S% @$ y9 y# a8 b;;判断是否给本turtle的评价质量做出过评价的节点
3 m/ T: N4 U6 D[set note (note + item j ([credibility]of turtle (i + 1)))
4 X/ q3 g. S( q, ?;;*(exp (-(people - 2)))/(people - 2))]4 f, d2 w1 F% v2 Z* c2 J
set k (k + 1)
$ m0 W% j5 L5 g, w0 r/ X5 Q]4 S. ^. K9 h" ]" E/ z$ Q
set j (j + 1)4 s5 Q' i2 _4 s- P% [" e
]
4 k, Q! v7 Z) A* O3 X8 |( } pset note (note *(exp (- (1 / k)))/ k)
7 w% ?9 `- ], [1 a$ l' ]set credibility-list (replace-item i credibility-list note)
- l$ e6 D% S7 f% s1 s$ c6 m% Pset i (i + 1)
2 K2 U0 B- A \3 q [( f6 t! a8 T]9 j) J- b1 h$ ~, C, W) B: a
end% R% ?+ W m# U; }6 h
) [# e4 y) O! D0 q( Ito update-global-reputation-list
. p% G) Z4 q- ^$ D4 qlet j 0
5 G+ L9 [! t3 U0 A) A- E3 p, vwhile[j < people]
0 x$ ]+ l/ `: j! ` f- L/ P[0 |0 u$ C" L' n9 U" x) e8 t4 k' x7 R
let new 0
( e' e+ u M# M) J' j;;暂存新的一个全局声誉/ h( V" L- r& }( X& _7 W8 k. b$ C
let i 00 T# Z+ L/ N( B1 ?$ v# [+ Q
let sum-money 0
6 s3 M( g) `+ o. e, ~let credibility-money 0
, G' y9 O# ]3 K% Lwhile [i < people]! l$ W% L4 [; Q
[
3 l+ F1 d/ P/ S2 ], t' \set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
. I) p1 ?( {" d3 kset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))) I; H1 R# u7 |5 q
set i (i + 1)1 i% P+ s7 r* q/ J
]6 D" \! `( U4 V4 o6 v1 G
let k 07 A( g, D$ h" s; {. L
let new1 0( s6 O! F# o/ d+ k. |! H
while [k < people]
1 p" E7 a/ v$ u[
0 W) r% a5 L3 M0 j# Y% S8 \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)$ x7 @, L! Y# h" h) K- s9 I
set k (k + 1)
' r; Q7 W. y/ r' R" x4 c]. ~7 f6 F% h% {, ?9 R
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 9 G9 Z- u5 s* k! e4 K/ [
set global-reputation-list (replace-item j global-reputation-list new)
" m$ O; `& q* Gset j (j + 1)" ~ Q7 u. X. M
]& h# T) R0 N/ s
end! i8 |$ f4 a( o' B4 m$ T' [
/ c# k% V! }0 ~4 b1 a! p" T9 D
+ e! I8 R" w. O) P) M/ s4 Y
0 D* ?* C0 S1 @! L4 ]9 Q" K
to get-color/ ^8 M4 Q. G S" H. y
, b- V4 D, u0 v! P% R3 ~+ oset color blue
9 y5 H/ b: z% Y6 Y( E5 Y/ ?end
* F% {1 j( b1 ]* @/ G% S# o" Y% C( D- L9 E
to poll-class
3 g- Z7 L, P, m* eend: i' l# T( ]# l5 ]2 C
0 \( A( ~6 q, v$ ^3 U+ mto setup-plot1' J! `0 K, b: S7 Y! _+ P v
' I. o- N8 x/ _2 M r0 }- C9 gset-current-plot "Trends-of-Local-reputation"
" K* ]) q" n+ m' S
- A8 j. p+ k n+ jset-plot-x-range 0 xmax
1 D$ L |) o [) F& }2 B
% D/ U5 @/ a' E# @set-plot-y-range 0.0 ymax8 E- I/ r& f* z4 ^+ b* i
end6 J$ Q& T1 _4 }) y1 r
; \% R( F5 S/ ^' h0 ^+ D: ]( A* h
to setup-plot2
9 @* M9 v: w: F$ S6 F: Y: W
; Q) i( ^. i9 }+ L. d: C- A. zset-current-plot "Trends-of-global-reputation"- u; g u1 B9 I2 v- o9 j" Q: I
4 S) w1 x' _! |% p
set-plot-x-range 0 xmax
, y4 l$ M4 I: f U* |* l
! j( R# S, L* m3 J, g: t0 {* Aset-plot-y-range 0.0 ymax
0 z% V- d4 h+ Y2 k @" Hend
8 d# t. `- P; d, G- g8 I z- w
, b. k: S/ K$ U. c4 P! B' vto setup-plot3
0 P5 }0 S) J5 P. ?- ^: ~
" {* s; a9 ~. D: } oset-current-plot "Trends-of-credibility"
: N1 o g1 I }4 d0 x- F
- L v+ c7 p' ?8 C/ |9 Bset-plot-x-range 0 xmax: k% H, G3 M7 o6 T/ _ O
( m0 g( c: q8 m. d% O2 J$ a9 g
set-plot-y-range 0.0 ymax
& N. y* S( v+ [( s2 p0 h' h% bend
' e- F {8 \0 `2 x7 r D0 D1 y/ n Q# H# j0 ^* v. E( _
to do-plots# {8 C8 t: y4 I0 K5 [7 p
set-current-plot "Trends-of-Local-reputation": x$ |& e$ k4 x; B+ G! A) j
set-current-plot-pen "Honest service"
+ t, j' C) Q% \. _, `' Mend' d B i8 I9 J1 P& R* {; b. X
8 u$ r/ x8 F+ q( I: K" v+ }" x9 ?
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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