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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2 O# Q2 w( [ N0 B* }
globals[
{5 N: q% H, ~( Xxmax
5 z( E2 H( `1 F8 z9 r' wymax
3 l' p R4 e2 s1 V5 L& dglobal-reputation-list
. k* N; m [& V5 o9 e+ j/ \7 C! I2 g* \
;;每一个turtle的全局声誉都存在此LIST中
, Z1 B" {- y5 |4 ~( r5 X7 i/ ]: ocredibility-list
/ u" Z! f4 X" N3 g. ];;每一个turtle的评价可信度2 |* j4 ?2 }% ~$ V# I" f7 b
honest-service( B9 t0 v4 M/ ` X
unhonest-service& {: @% e" h+ K. u* a" ^% D
oscillation
; w& _ ]1 S; Drand-dynamic
7 s1 j! P' x0 g' P) `8 E" B]! J' X/ O0 I6 q8 }/ s3 s
; g8 r$ S6 ^5 }1 a) l1 u3 l& i
turtles-own[7 @+ C$ U' f7 n# {) P" ]/ M
trade-record-all; I* u; Z9 Z/ ]2 G* _
;;a list of lists,由trade-record-one组成
* R( u5 c) S( R( `trade-record-one
6 E0 l# e+ f7 {1 E) o;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
A: A. V0 d3 A* z( }1 N% h
' `( B; w+ i4 z;;[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]]
& B2 t% y/ g7 i) xtrade-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]
- b) r, h0 S+ b+ vcredibility-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, C; T- l n8 c2 \9 `% d
neighbor-total; C* A( q! r2 n: J- @) Y& Z0 `
;;记录该turtle的邻居节点的数目7 I4 j0 M, y1 D* u Z
trade-time
3 d2 {9 S% M" ^% g- r9 G/ d Z;;当前发生交易的turtle的交易时间# z: \4 A- E* X' a2 z
appraise-give
2 Y r% m. G7 U;;当前发生交易时给出的评价
0 }6 g8 m# ~& N" I' T$ lappraise-receive1 f5 E4 @; `5 ?+ O
;;当前发生交易时收到的评价$ {; \2 {; a1 [: d/ t8 B
appraise-time' ~! S7 r0 b0 M6 \
;;当前发生交易时的评价时间
# h2 ]8 q% ~; p* w: {" D" @4 a% Elocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
" v/ e! F, A- }trade-times-total+ m J5 E# H3 C4 n2 i6 l
;;与当前turtle的交易总次数; r1 Z$ [0 o! E% p" {; B
trade-money-total7 S" T! c: t' W; o7 ? z7 J
;;与当前turtle的交易总金额$ y8 Z! D0 @ H( c5 r. Y9 E. S
local-reputation o/ ~. B% `- x7 E: K4 B. _% W
global-reputation
8 i O3 j! S9 Gcredibility1 @$ K: y" I. a; E" u" x/ `* }
;;评价可信度,每次交易后都需要更新3 F% r9 e# p, S5 _+ c
credibility-all
0 n) H6 G1 T8 ~' p5 };;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: N" P, o8 d+ _' }+ ^6 b3 o0 g
. q" V, B: `$ @( a
;;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 L+ V0 s" R. s& Vcredibility-one
# B0 ~$ z" o0 k# X* G4 c. F7 n;;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" u( v) y0 t* Q3 s0 g) t
global-proportion1 X7 E! b, Y, ^7 f& m
customer
' d# Y# R$ m5 W; fcustomer-no: U& [8 R; U! h
trust-ok% }, C, v: [3 _
trade-record-one-len;;trade-record-one的长度
4 _' [& h y h+ ?& E- \& O: n3 N$ `]$ g* Z9 W4 Z6 d$ s5 ]; S+ n$ _' P0 t
" m: i* H5 v+ ?) r
;;setup procedure" k. A5 z/ o/ F+ b# \8 `3 z6 d; d
9 L: M& j: w, v! d* t+ N
to setup
# T/ f4 _1 }4 _' Z8 w/ B5 d+ @+ O" c. H" e% ~( U1 d' ?
ca
3 V1 ^1 x# d( t" H5 g% K2 ?7 @( ~- i" w/ b3 V1 B/ u
initialize-settings- H2 O; I2 R/ g8 j7 \& x
3 E) b- T0 V& w {3 f: rcrt people [setup-turtles]
n, S' i N- @7 U, c2 X; W+ p) q) x6 e- n5 u( e
reset-timer
- {. m' s9 Q( f J; Z4 P7 s, @! X( r1 L1 Y$ D, T/ Q. ^
poll-class
5 ~1 i. h2 T7 S! g1 ~* I4 [) V: m' y1 z$ G5 u
setup-plots% U8 Q& ~& o0 Y; _
- h+ F- I1 |! g; U% Ndo-plots, G; }1 I5 A' \4 X! B7 w
end
0 N2 R8 v3 `! h" `- _* B8 |2 s
9 S. U- y0 L1 N: ]3 ]% vto initialize-settings
& f4 }) `+ @4 f
) ]2 s* j; z+ v% h8 ~4 [# o Rset global-reputation-list []# v8 ~# X) R7 t
! `5 T/ J2 D* j! I* B8 Z( n$ r
set credibility-list n-values people [0.5]
0 Q! H- \9 P0 }0 A$ p+ ~/ b: q# t2 n) [7 k
set honest-service 09 S# {6 l A5 L w4 u/ a
! |0 N4 I0 j, s" [1 r# q- yset unhonest-service 0" m$ S" U6 b% h' U" a; z
9 C: K0 r1 Q* X* U
set oscillation 09 M. ~* F6 P( _5 V0 c
% g6 ~3 Z+ \. L* |
set rand-dynamic 0. f3 B: T' @; @( H/ X+ Y
end# i* [/ E5 o$ U$ E2 e+ D
6 |: k) j9 T( ~( R# c, mto setup-turtles
+ `3 L4 z+ i/ v- x. ?: b# e3 Nset shape "person"
5 D1 n& n1 p* ~) q1 X( B& ~! Rsetxy random-xcor random-ycor
+ d) G: ]/ A6 F3 b$ Z; i+ _set trade-record-one [], Z' T! T2 N$ h# `
- [- L, z# E, h. \9 [5 w
set trade-record-all n-values people [(list (? + 1) 0 0)]
% v7 E1 {; \4 {4 y3 h. A8 B, ^& L* M
set trade-record-current []
7 N" p$ J6 z6 I! \. [) h8 `set credibility-receive []
4 G1 [* b% y) J6 @& `! g! iset local-reputation 0.5: {* C* l% I6 Z! R# y3 }4 ^
set neighbor-total 0' V$ q a7 s" s( @! v5 e; M
set trade-times-total 08 }+ ^6 A: [) J) K6 C; m, ]1 s8 b
set trade-money-total 0
6 @, p! S, v- ^/ C5 zset customer nobody8 e8 E2 l: a, S* Q& O8 k$ M
set credibility-all n-values people [creat-credibility]
. o( k0 l% r6 F* T" M/ F6 N eset credibility n-values people [-1]( E5 j2 f# \1 { k5 {" U
get-color
6 [: c" z/ r* L: |" H
' n, ^% M% Q4 aend
1 p0 V' z. D2 C a
4 \" z y& m8 T) ^- l9 q0 _; E1 pto-report creat-credibility- E* d+ W$ \5 k0 C/ n
report n-values people [0.5]4 }, A% |3 |: h8 A( E h
end
% U. D u6 a$ ^0 g
: E; [* L1 C; r X* N$ Ato setup-plots
# q$ r$ m# q& ?: U9 i+ U. g H5 \& U( T2 o
set xmax 30
/ m! \. J5 ?( {. }6 z K0 t E
1 M2 q2 @; n# F1 a8 Vset ymax 1.0
0 P' k6 h3 _/ [
) f5 I" A# S" N1 Aclear-all-plots: Q& s' y+ _9 J) [. }( ^4 j1 u
" N/ d/ X2 |# D' h1 k
setup-plot1: g3 @/ {: V& W, U
2 R' d( Y2 E; g7 n( d' J& msetup-plot2; a8 n% [) r% R3 c8 F
, _! q9 w" ]8 [) }: P6 x
setup-plot3
$ b. A' ]3 U. x% [1 c/ _. ^$ A& V" ?9 hend
, \! O+ J; _' W- M
" M5 w$ \- F5 C+ L: Y$ W2 I;;run time procedures: |# F) i$ A- u( ?, l
9 {6 `3 B- d& F- M, J2 Gto go
8 Z) A1 i- u# m0 M r' j
0 p8 `- R# L1 Nask turtles [do-business]
~# G+ d; d/ |2 e i. wend
- e4 f0 g9 _2 [( h
- f" g4 w( b. ]to do-business
8 p; K2 j3 {8 I4 r
1 y% A+ O1 u0 N* r& t) c
; g4 l! E# k9 O$ A; Jrt random 360+ f5 r7 ~( C4 D5 ~
4 Z' Q" c/ r. P" s& `8 m% e5 Cfd 1; w) A4 Q: O6 H3 n
! K W6 h! M3 t7 V
ifelse(other turtles-here != nobody)[6 E- `) K! T+ K/ x: c0 t
7 t: H+ E& E' n% a2 pset customer one-of other turtles-here
0 F- d! R0 v% \9 F6 O; A+ J* j* |; U8 g H6 A* D }1 A e" C7 o4 p3 o
;; set [customer] of customer myself2 |* A9 v& A) s( n* L! C, n
1 T& U' z) m& d! dset [trade-record-one] of self item (([who] of customer) - 1)5 A3 y6 J. |& z* Z
[trade-record-all]of self
/ F M$ K; o* z4 j$ E: B" o;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
9 r) ^4 l8 j, }5 ?2 s
7 Y. @. W; E# i7 Q. p7 m) Qset [trade-record-one] of customer item (([who] of self) - 1)- P8 J* U$ \5 V4 n i3 \
[trade-record-all]of customer
, I- Y8 L |4 Y0 L2 ]- s m
4 L/ n2 K& \( qset [trade-record-one-len] of self length [trade-record-one] of self6 f4 P- p8 u) O4 m6 ?& p
, B3 I. z* G# B0 ^. Bset trade-record-current( list (timer) (random money-upper-limit))
" b: y" d' m, y6 N ]( Y
1 k( b( t" @% i& R8 kask self [do-trust]
& W4 z7 z( \3 ?+ T;;先求i对j的信任度
4 [ _# i/ D& H2 {8 B& V' D' ?' E! a6 ?0 f
if ([trust-ok] of self)5 b" z' {& i( b6 `
;;根据i对j的信任度来决定是否与j进行交易[& w3 l/ @- ~+ Y4 G
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself" ]: t7 N" ^4 v. u4 {4 G7 F1 W
. V. A$ E4 L1 K1 H, G2 Y
[$ E, D0 r1 y2 ^; C# o1 z
/ V5 U$ X: q8 ?: [
do-trade$ v2 K) F2 S! o& U6 ?7 _) I }
( _1 ?' x; m* w7 A( H! [
update-credibility-ijl6 ~( ^/ A* p3 M6 S+ d
5 ~' ?7 V% \# O( ?update-credibility-list
) ]+ h6 A6 Y) y" M# S, j9 b1 w6 I ]4 A( I# ^& e# `
4 H7 L' ?; \ X. B! D1 V
update-global-reputation-list
3 L% U9 j- U- `' {# p R
6 o1 F2 F* v5 R8 Bpoll-class
4 e- `; G& ~5 X) O x" a }9 y/ x/ ?( U4 r1 ?6 c& m7 b
get-color' U& L1 O/ f3 P0 X% o
5 Z" o+ J5 r+ t' ^
]]8 v8 u$ v. [! v4 {6 v! J+ q% R
1 i- @ L& `! |6 u- m" n6 E8 K
;;如果所得的信任度满足条件,则进行交易3 {3 h* o! q$ h! ~
+ |8 |( z6 r, j; G5 f" `, w
[' w+ m& K; v! S5 ~
4 r& |. E, \' k0 Drt random 360
4 S* C/ z2 y" {5 Y% |" ?0 p6 s9 C F% v
fd 1+ P0 W7 o. M8 I3 y7 t8 H
; o+ M3 p! b- T p4 a8 q]
. o# [- U- S M% k$ h% o+ j2 F' i# A7 [( X: ^8 @
end' d# s# i y$ Y. P: L
/ S x" E5 o; zto do-trust
" M1 L9 y9 W5 ]$ D( b) V/ sset trust-ok False
/ o0 l. B" V/ }
q9 e- j/ @' b: s$ C
a a/ X2 n. T/ a; {) Y2 P' ulet max-trade-times 0
. q: H9 O# o8 U# Aforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
Y; l- ]% u+ g1 W7 W$ clet max-trade-money 0
9 ^" [/ c7 C: p1 c( ~6 d6 @1 hforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
8 j0 L, R$ T0 `( Jlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
' ^/ Z/ A8 K* d$ X9 w, G& _: @
" v, M. G" J1 ?. C
" O: R& u5 n0 N4 n8 ]$ j1 B# ^8 iget-global-proportion7 D3 _$ V) W9 d/ v$ G7 }
let trust-value: h+ R0 n2 Y7 O) N8 n8 z
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)9 g/ j$ Y' {" u5 j) e4 C: F
if(trust-value > trade-trust-value)+ i. i' m/ X; K6 j" K5 c
[set trust-ok true]
! c0 y3 c8 U) n$ ~& f4 w1 g7 Nend' B1 p R6 |3 H3 c' ]' K# i, d. q
! @1 r, d& e; uto get-global-proportion9 L% d) d% a2 v4 |
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)+ A- N9 X+ D7 o$ L& f
[set global-proportion 0]! g5 u3 m4 M" u5 |3 K9 L& c" T
[let i 04 s) N- w2 r! P- a' Z
let sum-money 04 A$ r5 a' s5 e0 l9 a5 ?- T
while[ i < people]
0 ?/ t0 c: F. y( h( Q( G& C[
& L$ k$ u# [1 P2 O( W: n: sif( length (item i
8 j1 s* U1 h8 n* R6 E[trade-record-all] of customer) > 3 )
+ \$ I0 y5 H% `# D[4 |2 y* O( g8 b# i& {
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
& t6 `$ c0 \8 F0 n; p]- [$ Y8 B9 c2 t
]7 f( q6 w0 G! ?
let j 0
D- X8 {' M( `+ a0 Y1 xlet note 0
7 [) `8 m: V5 |% `6 W' \while[ j < people]
- u! w4 r+ @0 n+ s8 W[
1 Z' d' O; q. c; r- Nif( length (item i" [/ S3 v- U: f- k# Y5 B
[trade-record-all] of customer) > 3 )1 X; ?% ]4 f. _3 h3 s
[" u* }* Y w3 z/ {4 w: B4 y/ h
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)$ U% N. d/ `) C- G
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
4 r2 f$ i5 N$ r0 L( K* U( e[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
$ [5 P- j* `- @: h+ j]
0 |- k b0 O) n, K" ]]
( z3 d6 ^! E. D7 Z0 v+ gset global-proportion note# a; o( a+ O) r5 l
]4 _+ O; |0 L- I
end
% d' ]% [0 h% s9 n, |! s( V1 J" y" @" ?8 n5 S0 B9 e/ B
to do-trade
6 n+ a) }% N" ]4 D; @' A- x( |' h;;这个过程实际上是给双方作出评价的过程
X0 ?# B! L1 K7 O7 A* Fset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
" d z8 f) N0 B9 F4 \0 V6 Jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价 |" d2 W$ q8 ^
set trade-record-current lput(timer) trade-record-current ^% J. A: O {; a, y' K
;;评价时间
; g7 \% f q" {) E$ t4 \; Vask myself [
0 S5 v: [8 z) P4 V+ K4 f! H# ?2 bupdate-local-reputation
: f( ?4 V( e0 B2 o0 ], Sset trade-record-current lput([local-reputation] of myself) trade-record-current; `4 ]! X- i9 g% M0 u* l0 K3 X2 C
]$ y1 n/ W5 Y: _# K( l
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
' G+ T& z# i$ s( U" d/ L4 H;;将此次交易的记录加入到trade-record-one中
% H3 C# X8 H, X o$ Eset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)5 o. x( A4 d" {' g! b" w
let note (item 2 trade-record-current ), x7 g# A+ _. v% t
set trade-record-current6 v1 ]2 \9 f8 L) q- |& D! ]& o
(replace-item 2 trade-record-current (item 3 trade-record-current))
; y- x" V0 U9 V, aset trade-record-current3 O: P O, n @6 d- F6 }* }
(replace-item 3 trade-record-current note)3 y1 ^9 m5 V7 }8 B8 K
. |7 X k+ Q4 l, ~/ W$ `/ |: t$ l
2 }4 c; t* J$ X9 bask customer [& ^' f. `% G9 i7 B Y" u0 K- X0 p
update-local-reputation
9 D& k6 d* y e4 M: ^set trade-record-current: i# U1 S, H9 q- W7 m+ r/ @
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) + E0 D [3 F& F2 v4 G
]: t" Z2 \/ y- d* V
, H/ Q, D# z* B, j# m6 k, a
9 |: N2 j9 I* z7 P1 mset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
z5 g: i% B# }7 h0 L0 T [% `- s( h5 \# s; G
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
# O( _+ J ~9 r W1 b' `! I;;将此次交易的记录加入到customer的trade-record-all中
6 j' A( R0 y6 }( Lend
; Y/ h( h7 N; S- u# m3 [6 h6 x8 @6 Q' [5 E) E/ Y
to update-local-reputation
3 K; j2 x* R' D9 a6 X4 g. Q* Z: cset [trade-record-one-len] of myself length [trade-record-one] of myself+ }0 b7 M3 H0 q. _
: D$ ~4 E1 t, }9 |, ?$ T, X
* ^4 w% V6 W. d- U: I X1 b
;;if [trade-record-one-len] of myself > 3
& q' L& B+ i) `+ c( Lupdate-neighbor-total
2 g, ~6 {, @9 R; h2 H0 b0 j;;更新邻居节点的数目,在此进行
/ {1 C5 r! u; p; o, b9 \7 H! j9 U! Qlet i 3
4 [$ V3 Q9 i! y% S+ W4 w6 Blet sum-time 0! m0 H/ [' A1 V& I! U2 ]
while[i < [trade-record-one-len] of myself]1 `; j7 x/ L5 r* i5 U
[- a( }* I, c0 h
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )3 `% S! j( ~7 ^& |/ U" B2 M
set i
# z. B& e7 O* g( i + 1)! b. S, m8 W4 `7 n' `0 {# Q" F
]
0 X* n$ u+ O& Y2 E: S6 _let j 3
$ d# s9 U- l' k+ t) T slet sum-money 0+ I4 V! i$ T/ @% }$ G
while[j < [trade-record-one-len] of myself]
0 _$ m9 `5 a, p: ^' M[0 T% p& k( R# }% t; H7 `: L
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)9 P; i" h9 f/ v) H" d2 m
set j: g6 L* a$ T+ u$ o8 V/ U8 a
( j + 1)
* n5 w! b" ]8 H3 _. N: |% @. p& a9 G]# k. @+ R8 j- x
let k 3
3 G# ~, K. }$ _; J9 N: x& Nlet power 01 Y8 I9 E- T( _3 r1 v- r8 j
let local 0
* C6 g- M- Y) ywhile [k <[trade-record-one-len] of myself]
2 M. h' P% }( {[
! l: {; B6 A. M- Tset 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) R8 f B7 K' w1 Y* p
set k (k + 1)
' `# n$ ~2 [0 z' D]
k3 X) i2 H# K7 |/ ?5 l hset [local-reputation] of myself (local)
, w( r$ I) }3 {3 w7 T1 \end
& S+ e2 A- a Y9 \
) O2 D, ]' s; }9 I7 c; ]to update-neighbor-total/ c( @1 R/ ?8 D' q3 @9 w
1 U9 q& D* m$ w* `$ p8 Q
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
3 P6 d/ o+ n: j# `/ {) }, W- }" i' {# o
7 E( \. q* b# Send
2 _ \: S6 E7 d8 W. f, L
- ]7 q7 Q( r2 w. Uto update-credibility-ijl ) r7 A8 k. d) B- J6 f8 c8 R9 A4 O/ p1 @
3 x6 H% u' q' a/ f9 }$ _( c
;;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。8 b) y& @2 i0 b* r
let l 0" e; S3 q/ P2 u7 m/ z
while[ l < people ]
- v& s! c! E) W;;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
- A3 U2 g/ e% b: R, M; M$ C[
5 W- c. K2 O; f& {2 z3 P$ W5 V/ Vlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)9 [: [. k, f! F: V+ Y- P
if (trade-record-one-j-l-len > 3)- `) W& E$ F [0 h2 l8 m; 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: a: T/ u ]. v) m5 `) n2 M, [9 l
let i 3
' b1 u; e$ z1 I- h6 ]: r, jlet sum-time 0& P( |1 f# f% m2 v$ A) ^1 O6 s
while[i < trade-record-one-len]
4 w- x# n. n" w" q[ R6 F7 W* L% l5 t4 G
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )3 a" A# S! a1 C' H" L
set i8 K- S- G6 ^* b7 P' T
( i + 1)
; Q4 r1 r% r5 M; r7 |5 v0 ^]8 @2 g: b- p; ?( A! `8 O
let credibility-i-j-l 0
+ a" n& l/ U- ]: y' A) O1 W;;i评价(j对jl的评价)$ J, }; q% X( \* [: @5 \% _( `7 ?
let j 3* B' c. v0 q2 m# R+ E
let k 4
6 ~' x3 H% v# Bwhile[j < trade-record-one-len]! p. H6 ~0 [" k, H# }) Y: Y
[) b) D/ c$ Y6 g4 I! {0 t
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$ S( S0 P7 W1 ?( P fset 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)# c. P! A& x8 D4 y6 A3 T1 A( V! K( V
set j' n; E" m* u7 M4 `
( j + 1). i' S# f# t+ D3 J+ v
]
, J" S4 U8 G6 K5 Q |* y6 cset [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 ))
7 n$ R/ l: n: c% J
. d% M3 U+ V/ ^4 Z/ M- m
! Z4 f8 @) Z" f# `2 q0 }let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
+ Q7 F( Y' u5 V6 Q$ E" v;;及时更新i对l的评价质量的评价
& d) k3 { v: f7 \- jset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
' b- ~% o- d* w4 s2 Y7 Y6 oset l (l + 1)
7 p( Z4 a, u q& z; E* e& J% l) t' E]2 H3 X% T- b% c; y
end
3 ]; f- b+ ~+ O. g4 |! P
6 a' n! x3 v3 l3 |3 j% \) a eto update-credibility-list
- e: C0 z/ I/ I0 B: T( G8 Zlet i 0
( B7 h7 L" t7 f) Q6 K4 t" ^while[i < people]
2 s/ D* D/ Z+ V$ k$ o[5 U$ D2 Y3 T6 m6 X
let j 0
% X& F4 k& G, X. ^* qlet note 0
" x2 U5 E+ E2 D. P R& a' L& E+ qlet k 0' d+ c5 {/ [( a$ m' [2 _, t3 ?
;;计作出过评价的邻居节点的数目
2 V4 e! ^$ }! ]' G. Rwhile[j < people]
" W; C# L- x' g0 B1 X[
7 s. m' d; f1 {) j0 {if (item j( [credibility] of turtle (i + 1)) != -1)
1 G. e* M4 u1 G! w# h+ `6 A9 _;;判断是否给本turtle的评价质量做出过评价的节点$ L' [- W, s. _$ T
[set note (note + item j ([credibility]of turtle (i + 1)))
: q. ]5 V6 R# }! I; e+ z( U;;*(exp (-(people - 2)))/(people - 2))]" B: V4 x! p7 m; [6 Z
set k (k + 1)' [# X, Z: P/ P+ k, P3 Y4 N0 d
]7 q( x8 O |" e
set j (j + 1)+ d+ M( r A) u8 n- p$ z& w
]
" D" w. d( y6 t( p% X+ bset note (note *(exp (- (1 / k)))/ k), Y" }) F, K# g9 |4 t# Q
set credibility-list (replace-item i credibility-list note)
/ T9 i" I) b4 u5 ], o }set i (i + 1)
9 k" k# L m( _$ N% c' k: m]/ y. g3 D2 U( x1 N7 H
end
/ \& y& N( Q. A' T/ g, N0 c% B0 O: }! g" H& ?) |' P
to update-global-reputation-list2 D0 i) m3 ]+ L$ @5 T7 E& [0 s# E
let j 0
$ S" {$ d: E- n5 owhile[j < people]
/ ]+ h) i' `' w8 r[
( o8 W( ?4 T0 O. hlet new 07 p# q* i" N, p
;;暂存新的一个全局声誉( o, u, x! z( |! b4 T* J
let i 0) S7 ?+ W; G# P9 t! k
let sum-money 0- b6 Z o; O, m9 Q( \
let credibility-money 0
% M# f5 Z7 `5 S/ \( z' pwhile [i < people]' z/ E7 q. |0 w$ b* T5 ]4 d0 M
[
) G$ P- }' E) `+ J- Mset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))); z4 Z% y4 g3 x7 V" U% T7 @2 |
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
' P. e. h7 v- Qset i (i + 1)
+ G0 D8 T# e! A5 B) Z# K) X]
! d! m2 @! R9 tlet k 0
5 B X1 g$ _) A. rlet new1 0
0 _8 G& V: \& d, s/ t+ X/ Owhile [k < people]
* e( n" \: _' u4 q" N[
4 \/ p& q% @; _" P1 I; t, Z; Hset 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)
* D3 U$ |. O. ~ xset k (k + 1), F j n3 Y. F" V
]& a/ b) f P' y- {
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ' V8 U* r5 _6 e0 \3 o8 g
set global-reputation-list (replace-item j global-reputation-list new)" U$ e6 H, z- { W0 [2 B1 L( N
set j (j + 1)
+ R) u1 T) F5 A$ W8 ?" F8 r]' Q% }% w) b2 p" n+ [5 @6 @
end
) u7 h: n# m" M0 x- |+ g, I+ h
; g7 v2 g6 @4 ?1 ?) I$ B' H
* G( l' b& H$ L4 R$ j- w' D) }
; B! Y* C; G% \" r2 ito get-color/ `9 Y; s2 y6 L2 z% [# o
: [2 U' \& P( z; N! w3 }6 a
set color blue
8 g# k; W$ s$ }7 d5 D/ n% N$ W+ S$ s) Dend
$ T: n" s. h) G( S0 m: Z$ B9 z9 N
to poll-class+ e+ j- d! t6 w( B$ q! U6 @+ G
end6 c9 ~0 y, @1 P9 K% ^# m
$ c* F1 \! ~$ \! i2 ?to setup-plot14 ?1 [1 B* Z1 F1 u9 I
2 O: m' @* |& f& T2 g3 [set-current-plot "Trends-of-Local-reputation"0 ]6 X" \, k" w! N+ a, S
& R* Y$ s* l8 N% f. Iset-plot-x-range 0 xmax' O0 R- T- G5 ]8 j, o& f$ Z5 j
. x. u) C! [" f9 z! I3 B
set-plot-y-range 0.0 ymax/ Z3 }/ o* t- I& }" S
end
+ G1 G; [6 X( s+ A
: F- C% h' l: L0 h$ H8 @" D, K" S& Pto setup-plot2
$ d3 P2 J: K4 C- z; r* S v& ~3 {7 |' V) X; r6 C
set-current-plot "Trends-of-global-reputation"( P7 u' K; T) u4 z" E
# d8 l& Z+ F+ N
set-plot-x-range 0 xmax, w k( H8 W1 V8 E$ O9 _. z
6 G, p; K0 F4 p" Yset-plot-y-range 0.0 ymax
8 z D& H' K% X) G8 Uend& v, O. q9 l+ h- s" D
8 |, n6 A4 g& {) B: Q
to setup-plot3
5 k# `4 B7 A* a- L" b
; U! S8 D0 n' ]7 u. {set-current-plot "Trends-of-credibility"6 t& W: R+ Z0 ?
% Z: Z2 F I7 q* N4 |1 Z$ d
set-plot-x-range 0 xmax- ~3 @6 e+ d5 `% W! Q
4 S# v! X5 Y. c E1 ?
set-plot-y-range 0.0 ymax
# y& \6 I, t, I" Cend/ o. G' n/ r% J5 f3 X( }. L
$ o( q h0 G' H' O
to do-plots
* b7 E. l8 V, V5 Z( L2 C3 bset-current-plot "Trends-of-Local-reputation"1 @$ {* {0 m4 A2 G7 m: j
set-current-plot-pen "Honest service"
0 R: _, c3 v$ M3 w& Z8 {end
0 \$ V, Z5 @) N6 F. }4 v
6 b0 z" D y! s[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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