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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
$ S' R8 [% H& N/ }& Iglobals[
* D8 p) X1 b. w6 C+ hxmax
: s1 @) e6 @5 T K. I2 `ymax
# N) U s3 P" Z2 _' [1 m* lglobal-reputation-list
/ S$ ~) t# @# z+ g P3 ?% _7 {8 O8 K5 h% \& O# b
;;每一个turtle的全局声誉都存在此LIST中
$ F4 M9 ^& l8 R+ {0 Ucredibility-list5 `( m: r5 H- |, x9 E4 h
;;每一个turtle的评价可信度
5 K" S: @0 B- r) ~; Mhonest-service
! H5 V7 p; [9 Z5 z: U" Ounhonest-service" t R& f8 |9 [8 x, K& k
oscillation
8 f! S `, n& V$ ?2 [rand-dynamic& t1 P/ }. q9 d- l
]# ~* n. `8 R9 B9 X% g; c
6 A0 y6 t9 K3 W2 u5 ~# f/ z5 W7 w
turtles-own[
, W. d |8 o5 w z) Ktrade-record-all4 y: j8 A: [6 f6 m/ n4 X4 g: _. L X
;;a list of lists,由trade-record-one组成% Z9 z" ^( S9 x/ @; q9 b
trade-record-one
# u8 _. {0 i$ t% k;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
1 T$ {( G/ `0 w" k) r1 R
; y2 K$ W1 z4 p" k- i$ ~- P;;[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]]% n3 b% N/ S) [& H5 O# L
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]
1 Q' N( ~. c3 ^' _/ ]- ~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
2 V( |2 A) p, O. E7 ]1 }neighbor-total% B S' u- c1 m" h( P, o/ ~. e
;;记录该turtle的邻居节点的数目
% U) j8 P; J% D! A( _1 n: X% D7 itrade-time1 z. L6 M/ P2 a5 l# g! b
;;当前发生交易的turtle的交易时间 q+ J& F: ~+ t
appraise-give" |7 f& ^ N3 n) `7 _5 O
;;当前发生交易时给出的评价
; O) K! `" H! E( g& Q7 nappraise-receive
" X3 U$ P+ b2 U- R' d# `;;当前发生交易时收到的评价$ l$ |, L4 e3 N/ U9 A! m
appraise-time$ J. s, U+ E9 o" B( t
;;当前发生交易时的评价时间. y1 t' t$ z4 U6 D
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
3 M, R; @7 i9 H: ^- etrade-times-total
, S8 O& p' w. S+ g;;与当前turtle的交易总次数
# n7 R6 V) \# `' w- T* o2 k8 X3 Ltrade-money-total! {/ M8 C: T5 i* p
;;与当前turtle的交易总金额( P6 I4 M6 E+ d4 p8 w L
local-reputation
G+ [( w8 Q5 |5 h8 d2 d' C& R+ O+ Sglobal-reputation. V& t. h. W* M9 j
credibility
( W" _$ M g( ^9 i: |0 g% z- h;;评价可信度,每次交易后都需要更新9 c$ L1 s& m, B! f$ r) V, Z3 o! ]
credibility-all
. k) _* i+ v7 z2 L* J" _;;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( i) e9 Z% h$ o5 a% q, s' J
! l- P5 I1 m6 z- p;;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
) T) V" V: {. B0 Rcredibility-one3 w% p$ G* K6 z4 E. ]8 E
;;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
. i& f, ?: Q& B L5 V uglobal-proportion; Q/ w$ y+ P4 w$ Y' b
customer; F0 P( u& c7 r
customer-no
3 d' h# w5 u. C, W# C% \, Qtrust-ok; r, x0 H% u' k: ?+ u+ u
trade-record-one-len;;trade-record-one的长度
0 C8 z8 w% e; u& F: P]4 `) E: _' k! r n1 W4 Q$ ?1 a5 h
' \0 w. G* w- b;;setup procedure
1 K) V- L( {: q+ I. w" g$ }2 t% i3 s8 a( f+ `+ f) I/ ~
to setup
; ^' m( u+ c/ O: J
V3 N6 _ _* r' h. y& C9 Sca
, T' v4 s6 |" ^- k0 O0 u4 v" q. t* r
initialize-settings
( X+ v2 l5 b2 g6 I a& [" ?
' ~' l' @& L6 n% L0 Zcrt people [setup-turtles]
1 B2 k. o% ]0 H, `0 T" U$ S' d4 I$ F
) Q' a6 r! Q1 Q" |& _. Z- E7 g( O8 Jreset-timer
0 L) U1 z8 J8 A) W9 C) M& t, ^' e% Y: l
poll-class- |/ E" m% u8 Y* q# Y
, V# W) z9 N" `9 Xsetup-plots5 N0 X. d5 [) W) s" ?
* B! P/ Q5 F% y9 H/ V
do-plots
* F. o% G I' K. L3 U9 v/ bend0 f% M" y5 n f K/ P
. n# A$ X4 ?* L7 x5 U# |0 a
to initialize-settings6 U! \/ \, l! |. g3 c" Z) X
3 y! W( B5 e2 y
set global-reputation-list []4 |8 ^) w8 g% b% k d. a* s% G
+ Y) `. y" l( t1 U x4 W/ h( K0 d
set credibility-list n-values people [0.5] O' \8 X0 e! w0 z5 D, b
$ G$ o3 i! A/ m1 d8 eset honest-service 02 ^% L; q6 F! B' _% q3 i% G
7 `% h7 y {0 p# H7 Z# \
set unhonest-service 0
2 Z' u0 p3 s1 W m/ w' N( ^' X; [1 u& G4 ]
set oscillation 02 B, \5 B, L' n* W
~- }# {* \1 _4 Q0 Z# }
set rand-dynamic 0
\& A: t- E$ b! U7 n- l8 ~) uend
0 |. ~% w( L. U" O8 H
( D) v+ j& P1 l, D/ x! zto setup-turtles
* ~6 L& [4 \& g/ ^( e% bset shape "person"
4 [7 E. E+ G' f. R* ysetxy random-xcor random-ycor
: G; _2 ?8 k! A2 S* yset trade-record-one []# g6 ?$ s9 N! u7 D# W0 m' ^* O" @
t0 Q% |1 K4 a& l" W4 L* D: A, iset trade-record-all n-values people [(list (? + 1) 0 0)] b6 |" }6 x! ]9 J2 ?
9 G+ S( g U: w/ }: ]
set trade-record-current []
! r y# M9 m$ _7 u2 I% qset credibility-receive []8 i5 X$ p0 ^2 L' V0 a& w1 ?
set local-reputation 0.5* s; \" V2 d/ T% w# |+ ^
set neighbor-total 0
: P/ N5 W. f" A N3 t1 K% } b& r# iset trade-times-total 0
: ]; O1 k, x* ~' K) ~1 D# M4 kset trade-money-total 00 _. t: v( g# o+ Q
set customer nobody; O+ ^2 Z9 J1 E Y O
set credibility-all n-values people [creat-credibility]" S X4 D' u7 C0 N1 [% I b
set credibility n-values people [-1]* d! A& K4 i6 a( w. S" J
get-color2 m9 X9 S2 {/ l- Y
3 I6 D! G3 j+ B! f
end" Y/ q* K0 k/ ~* l; y6 l+ C0 {
% U$ @! l" }- v+ fto-report creat-credibility" e) `8 @' {& d3 R
report n-values people [0.5]
R: t, e: Z6 Z8 { }3 W/ Gend3 d. ^$ z$ X6 U! ~
- G: N9 ^: T" f5 n0 a) n6 z
to setup-plots
2 I6 t: p& X5 f7 B) t' W' o$ Z9 t- k# t9 F/ A
set xmax 30
2 z, o. [* e; k, ]3 `9 C" w5 L F8 ~0 U( e+ \( }# n
set ymax 1.0' |/ K/ z S* V0 G8 J" y
! f. }% d" R) K( F* P
clear-all-plots0 \- x3 N0 P+ `
$ G7 [! F4 D1 F9 {4 j9 Dsetup-plot18 W& P" b( x/ c, G" a% b$ l
; v6 _0 z9 u' B: r2 M3 Q
setup-plot2- R2 u- F5 T9 g- k; L$ Z* i
) x) B9 | D, }
setup-plot3' }& q) F4 R" } ]! o
end
# L, ]: p) A6 U; J# ~! ^, B9 }( B \5 A- Q/ |9 k7 u6 U
;;run time procedures' Y- i( c7 ~ e& ~, E0 A6 i7 l9 t
$ }/ w J7 X7 e
to go8 ]! x4 g* [! M& A3 e. P" N6 l
4 v/ I" W1 p1 l. jask turtles [do-business]+ p2 k; _* @, j, x; V7 w7 v0 ~6 S
end* ?* j/ p: h2 W# r; L
1 v ]) k8 T/ r( `) P3 b. pto do-business ' O) A# i. {$ ^7 |- t r, m" r4 t
; V- ]: x/ q* o3 z8 Y( {: g
4 L8 q3 | r8 y$ w9 ^. P8 J
rt random 360
' a$ ]3 o7 u! }% c7 ?' `% @$ N/ E! r; d d8 U( d
fd 16 j7 j6 t8 q7 L" \; m4 e9 w
`3 s) v0 X9 s3 f2 W2 Kifelse(other turtles-here != nobody)[9 d/ H# @! p* y% w+ F
: M, _: h' R+ _) q3 o2 E; B
set customer one-of other turtles-here: m; \4 Z5 @/ b% o" A$ f
! x( _; d( A2 Z3 \, b8 }5 G# s;; set [customer] of customer myself
9 K: T6 U3 ]: _6 u: v" @
: V, f h$ N" u8 G& O+ bset [trade-record-one] of self item (([who] of customer) - 1)$ u1 ?2 L( H5 \% [) n% M8 p
[trade-record-all]of self; X& r( L" {# }# y
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
: u" `$ X. c# b" |: [4 ^- b1 W9 E: @4 T" M M: D
set [trade-record-one] of customer item (([who] of self) - 1)( o. [0 u$ | ^$ ` w3 t
[trade-record-all]of customer
1 w0 J- k I, L: L& \
" O9 G0 V8 `. R" e. yset [trade-record-one-len] of self length [trade-record-one] of self
U0 s+ }4 k4 B3 D6 S
4 f2 p% I: J6 f3 c1 rset trade-record-current( list (timer) (random money-upper-limit)); K i6 O( e% c2 C6 D' F1 x
' R; r; a# A' H+ d+ m
ask self [do-trust]6 f( p9 D" i9 u4 y' X( m) o; s
;;先求i对j的信任度
) i/ U& _: I5 f0 r: @' I9 g8 n% f, ~0 |4 r( w* c. b. h# @$ E( ?9 m# Y
if ([trust-ok] of self)
" W5 E0 E# y) }$ ^& l1 f- W7 z;;根据i对j的信任度来决定是否与j进行交易[
5 i$ _" a% w% a# ~7 `ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
/ y7 F. j4 c1 F+ l* d Z0 J9 ]. I: p2 w% b7 Y8 S, O
[% P" j4 h0 s* O2 W* X
9 ~: b; o' p" g7 ]# ^
do-trade+ C7 o* n( k. {$ l" x2 P0 L
; v' w `. {* e; n4 c" r: @
update-credibility-ijl
; F5 \6 L; r5 S) K% U5 Z* o7 h( q( c
update-credibility-list( [6 ^6 i1 m* M5 @) w
( }6 O5 e9 U2 ]5 l! N. }
6 W6 i! ^2 f# c7 K( Supdate-global-reputation-list0 c8 n3 z, R; b; q' v# K `) Q( r
: o' ] U6 T' w; x0 p$ C @poll-class
3 ~& h' R& {2 l7 n- |% _# ]9 B+ g4 H$ s: u( l, _* d- D7 f, I
get-color
' n9 l3 |* p+ k% k) S) Z& i
' V0 j6 E5 l! v& v$ w]]
3 @* h" o7 Y N% L/ H X9 F0 m: d( r5 Z! r, {1 g/ k6 q* H0 v1 \9 ]0 x, f
;;如果所得的信任度满足条件,则进行交易
, {5 Z& f0 Y; f c% a5 O, U; A$ k4 \- ]2 X
[
, J E# Y7 c4 ~8 B1 ]( t4 S2 M: y, V+ Y
rt random 360
+ S4 T0 Q% z+ E# Y9 a
7 L% r# k/ j& n5 k3 o! cfd 1
. q/ S* J; f5 c% w& s ?! J* G, m! G
]
7 h3 R$ |4 T1 p2 E, H( t T8 m
4 ]. S( s' C% K% w- send/ X, K8 h0 g* ^: j& c# }! C2 j
( {5 C* A6 F. Bto do-trust * h/ \4 J2 E0 `7 L& d# ]
set trust-ok False
3 E: |# p( g. M! M. t! O% n( O# G0 M
W( u: Q% x$ U# {# L: F
let max-trade-times 0
/ a, c; D' J' v; z$ Kforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]( Y6 R, F. E: I2 y7 P& b; ]9 y- Z
let max-trade-money 0
. e9 ~7 Y m3 S! M- j; }. C6 Dforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]% L( T1 V8 O9 S+ N
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))) ?8 K1 z# o. E5 k" ~" K/ ]
* M6 H% E9 z/ {! n6 z0 d {" a" E3 n3 L* F- P) k. E
get-global-proportion* ^0 m: I5 {& y
let trust-value3 s1 {9 W( I7 p, _
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)8 |. i9 y$ P' A; v6 p1 j
if(trust-value > trade-trust-value): n6 W$ h5 o; [& I
[set trust-ok true]( J0 o! Y, V) p
end
6 B- h7 k) `, z0 F
& n9 ?9 z' W+ z/ v O! B2 h5 Jto get-global-proportion! k! z5 U: ~/ Q! |( o
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
) D" ]9 H0 ^7 w m[set global-proportion 0]1 Z, Q6 y. |0 P& {4 [4 p4 M
[let i 00 O/ T8 p. f/ C Q
let sum-money 0 |8 T* j- z' ]; {6 }7 _/ ?; O
while[ i < people]/ P5 d7 `8 t U1 j7 I8 ~
[
- \7 D* \& A2 w) z- @9 ], Wif( length (item i4 p6 C+ p* s# ?% x4 |
[trade-record-all] of customer) > 3 )
. I5 A2 m5 a/ X6 }' N3 o[
' {/ E5 M% s: R" h9 p9 P8 H4 yset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
. u' ]; Y# b* T- P2 j! b]
- k! i/ S# O$ R+ v]2 @# u0 Q1 s2 [+ v: `
let j 0
) _0 e! w/ g' Llet note 0+ ~8 t. g% A/ B# \
while[ j < people]
, ?8 m2 {1 a' s8 D# K, F& G3 C7 a( j[
1 ] b! H i: V& `7 F9 C- Z( N. s; {if( length (item i- a3 U* J7 Q3 M
[trade-record-all] of customer) > 3 )- g( g/ O) k7 o
[+ V( {7 h4 _3 r) c( d4 N4 m" ~
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)4 F- _5 U' z w+ H
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]) y( ~7 v: v0 p# @3 r" w- B
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
' i8 u n' B2 l& J Z6 W( Y; n]
9 `. q- @4 c" _6 ?4 C& o]
' J# S( H8 O& k: S) J- @set global-proportion note0 |/ }$ y3 A- [5 C0 k5 b) ]$ l! [" s
]3 \1 T* ^1 [ J M" J+ T8 n# |
end9 A5 g1 T% i7 P5 c$ L5 ~- J0 T; D
) W9 _5 A' \- P! Jto do-trade. a# d6 A4 g9 D3 S( i( D# {
;;这个过程实际上是给双方作出评价的过程9 N3 Z: I5 Z) H5 `* l" g3 p
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价# l1 m. ?8 T$ D9 q# ^) R
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价0 x: m+ K2 `7 {; s6 g' z; {
set trade-record-current lput(timer) trade-record-current
; k; ]+ [: o4 j;;评价时间0 P, R2 E& P8 P6 t" _: X5 T7 N
ask myself [0 K1 k* l* @$ O0 p d5 f
update-local-reputation
5 G* J: A$ v+ R# O# v: {set trade-record-current lput([local-reputation] of myself) trade-record-current4 b q* ~5 s _2 d
]
# Y r$ ?6 x: g$ N1 ?& @set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 {6 W }8 z' G;;将此次交易的记录加入到trade-record-one中1 T( p8 P1 U) ~8 c
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)' I% N8 x. y) O1 a. `# j
let note (item 2 trade-record-current )
; O; H& |# z; W- J" W0 y0 ]9 ~set trade-record-current
9 P& L5 M% C) Q* H" B(replace-item 2 trade-record-current (item 3 trade-record-current))
) H& \2 e6 x) b0 E7 |6 d3 Rset trade-record-current& z+ h8 W+ ^2 N j) o
(replace-item 3 trade-record-current note)
, |' p5 z: U: x* R3 c: M: f7 x! ^* O& ^+ Z' P, Q' V- q
' c( d/ @1 W+ X n1 u6 \8 b$ B
ask customer [
) N' I7 s' ^; s$ [update-local-reputation
( r9 g' }& I- d3 |" n# s8 e0 ^set trade-record-current* ^- l2 S$ h& m
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) % N0 h* l/ W: o4 T; l
]* k0 l1 y% s* t0 X- m
8 K3 J8 m% q% ]/ ^/ |# X) v
f- E/ b. q# o, P' L5 eset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer2 q' S: @2 V! f7 I% d
- K* J2 r: P7 V2 p* ]; g
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
7 {9 D/ K, s: q: d;;将此次交易的记录加入到customer的trade-record-all中
! h9 p) H4 x) ?- f9 qend
8 y9 B* v) {6 ?; V9 R) R
2 A. U; l0 K, h( \( H% ?9 e) n, _to update-local-reputation
. m" q0 e) a$ ^5 |1 v: ]4 eset [trade-record-one-len] of myself length [trade-record-one] of myself
0 ?- o- E+ a3 f& ]* k6 L
0 `$ I6 J0 _2 x+ A Z* p, M- u+ G: Y" h& G4 g6 a: U3 A
;;if [trade-record-one-len] of myself > 3 6 s1 M8 l$ I6 d" d$ P
update-neighbor-total
0 s- E+ K8 T. Q. w3 r) |/ ];;更新邻居节点的数目,在此进行
9 L7 Q H3 X- N+ B+ i5 A6 F4 Glet i 3& [' |! Y, x+ \9 p
let sum-time 0; O3 M) E5 ?- ^& ^6 P- p
while[i < [trade-record-one-len] of myself]
. Q( |4 ]& N b7 \1 ]4 C- B6 y/ p g[* L) {6 V. y% S
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ). r7 h- T" }3 S/ W0 _6 r& \
set i/ @& d ^7 ^, y7 v& }
( i + 1)3 Q, t, K( P& z$ b0 ^# a( n! ~
]0 |1 q8 F6 B, S! i
let j 3
9 Y/ C) i# i: y/ Olet sum-money 09 {' [+ i# A% @. }
while[j < [trade-record-one-len] of myself]- c: _$ d9 N; q% r% p, B+ K
[
: u' K: f( g2 x5 }# w4 bset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)0 E( E, I9 n9 T4 f2 v
set j
: ?6 q6 t) H8 ]( j + 1)
. \" p; l, }& D0 S]5 {. i- D& I% e& p& z9 i
let k 3. A+ B" c3 d2 z
let power 05 x' e' ~4 P7 K A1 l9 l+ v
let local 0
- G1 L! @% j; Iwhile [k <[trade-record-one-len] of myself]' G5 r' }) Y4 ^ ?
[
1 s; I5 m1 \, j. Fset 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) 0 z* v! h) q* T4 P! v
set k (k + 1)
2 [9 J# h) J5 `" []" m' z! N" M4 L8 b# y4 T
set [local-reputation] of myself (local)
' {2 A# d# b0 Z# [, wend
7 a! j7 y' x4 f9 `
8 f8 S) d& U" j- I! A! [ M# Eto update-neighbor-total
" z( s v3 W1 X* n! H0 S+ i
( {; i7 }( S5 m, iif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]5 x1 V4 X3 |# Y
' U F4 Z: O9 T5 x2 y8 O8 h+ G% v3 L) B' H
end
- W5 D; c9 z: N2 y( {! l3 ~& [, H$ {; K7 M# [
to update-credibility-ijl ; R2 v! s0 w; e$ { h3 h1 \9 g6 Z
6 Q v; |. J: ~! P! ^* P;;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 J$ Y$ u2 o( B1 u
let l 0; ~- z% J, N9 m) F# k' h
while[ l < people ]
* k/ b) i5 I! s( {;;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" D' b+ z6 z# F- D( m) ?2 \
[4 O& B4 U" H" A U7 H' q+ u
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)6 r' g3 H' ~2 ~0 `
if (trade-record-one-j-l-len > 3)
9 q2 H A4 Y9 z8 v t7 q6 `0 E" 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! K) V7 I$ f& L* m5 I; Q/ Q
let i 3
! C5 G0 k) |8 A! O F% plet sum-time 08 [: Y3 M. ^# P3 E5 }- ~6 o3 r- N
while[i < trade-record-one-len]; r6 ?) K5 X( M- L
[0 A4 q C- J% M% _
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )! T' v0 _3 H( I) N/ L8 p
set i
* b0 b. N" ?* A% `, r T5 m( i + 1) u' ~! H8 R; t5 \: U
]
" w. Z; |5 u1 Y5 a ?3 r! p6 Klet credibility-i-j-l 05 d* S- Q" d, | P1 t2 P- `1 Q
;;i评价(j对jl的评价)
% q9 ?* {0 V# [5 p/ w4 Y% Zlet j 38 ~4 O( |# N5 A9 T: G( e
let k 4
& M% H) q1 c) Dwhile[j < trade-record-one-len]* P7 ` _* y3 r1 V4 a0 u
[
% U+ R9 s$ i# c* Fwhile [((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1 S4 z6 j5 V* y: r0 S! v' n
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)
2 p/ @8 V( }2 dset j
$ c( V' S, g M7 x7 L! U( j + 1)2 ~* ^6 j+ p% E. j
]
7 R Q p! P$ s1 zset [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 )); e5 w2 _$ f2 z$ A7 m4 x6 ~ ~
/ H) n" F. Y+ \, i1 {. d4 }% J
+ D4 g* g7 a: c+ a1 S4 t
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
) S& m/ g4 z, x; P5 i3 t1 l;;及时更新i对l的评价质量的评价
/ J8 j+ P) x, @: f1 Y9 iset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
1 e7 s& K& Y6 Q" l. T& @1 ?; Qset l (l + 1)% C, J( S* Z/ t e
]
0 w- |% t) {3 @end3 _! _' L: i8 w; i
; A9 V. a4 C1 Q) J0 mto update-credibility-list* o% V9 m% T8 x+ f* Q! _% y
let i 0
3 U0 ^& \) o- T+ j4 [5 B# Pwhile[i < people]
# |" X2 d' U3 g% w, ^8 D3 Z[
. J9 O, @2 Z5 W9 p8 }2 C/ A" \let j 0, y: I+ y9 Z9 d: D: C( K. ~4 |
let note 0
9 `. Q/ v& R- @7 llet k 01 p# J1 ^; P3 E* T
;;计作出过评价的邻居节点的数目9 f5 r; A9 ]" U, W: d6 G& }* O
while[j < people]
( f! X, J5 M l[
( z! X. T* m& w8 U) F( ~2 jif (item j( [credibility] of turtle (i + 1)) != -1)/ O- I% w; N; d6 A! c) K9 X" e
;;判断是否给本turtle的评价质量做出过评价的节点
. }% q- K1 a1 a5 B5 s" j# S/ G[set note (note + item j ([credibility]of turtle (i + 1)))
. P! Z2 _ i) N;;*(exp (-(people - 2)))/(people - 2))]% v( }: J% @: U$ m" P- e# Q
set k (k + 1)
6 }# J; T" y$ X; O& P]* m! R$ K9 A; V
set j (j + 1)
! |) G( C: X3 j% Y- ]7 c]: b; C* Z2 {. c0 s! O% r0 X2 l! |
set note (note *(exp (- (1 / k)))/ k)
1 w) S# _+ O+ e4 `8 |' _" dset credibility-list (replace-item i credibility-list note)% z: x! S$ Q) P3 G* s6 p
set i (i + 1)! ~- u# q( V3 c& q
]7 M" `, }3 i; i8 W+ e
end
& g, v& w; U" C( J
' l+ J* @, _: z' b$ H: U& }to update-global-reputation-list5 z1 Y0 ]; ?9 ?. J! k. `
let j 0
1 I1 c/ _8 O9 `' @" ^( Jwhile[j < people]
: e+ _, \+ D7 V/ w. f[
$ @8 g) l9 U# T. S J( \let new 03 u. v8 Z# i. f% o
;;暂存新的一个全局声誉- X+ w' g2 d7 }4 f9 M
let i 0
, t/ x( n. e$ a: X: } v9 Plet sum-money 0
9 g/ o# G: @5 o h" b: m2 ]( vlet credibility-money 0, y. A% b; w0 O [
while [i < people]
2 q- O& }% g9 E[0 X! Z' ]# b( ^3 N7 n: L
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
6 G# }/ X, q3 y- d7 P; Tset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)), W! O. L/ @: @2 X: j: n/ h: t
set i (i + 1)
$ H; c$ N7 X& p3 q! @/ G& P]5 \: m; H9 Q& C' J/ f( G, \
let k 0! m- q# g0 \+ g6 ]; D( {
let new1 05 p1 t* B3 {7 E2 ]: O
while [k < people], \( i' ]! S8 M8 J) g
[
6 o% S7 r( s3 K; aset 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). N, h, A$ |( V' w6 n6 v6 C9 z
set k (k + 1)
7 R" e5 v$ Y, T/ Q4 \4 N, z]
# q( a9 l" \$ e1 p" A- Vset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
* J; Q! Y. m' H- e0 `! q5 Dset global-reputation-list (replace-item j global-reputation-list new)
0 i$ B6 w' g6 z, I7 p, kset j (j + 1)
' C% i' }. p3 Z8 @]
. D; K+ _4 C ] Eend" B" m* \# K( g* ?* Q
5 r* w% B- M7 v5 g" j/ a3 k- T1 S. H; }* k
$ [3 Y! B9 j# [* Hto get-color
: L1 {. _; a# m
3 u+ [, |2 y& p* k# S6 a0 C; yset color blue5 M; O' X8 y& m' p
end/ k: k; ]/ W* O: m0 K$ p( Y
( s6 x$ L, o2 w" _ y2 o5 b$ X& {to poll-class
6 g( l- c. B; Lend
( A; N. Q" O" `* H: o5 ]2 e) P: i! ?7 n+ X( C( t2 |+ h+ R2 G2 I
to setup-plot1
5 n/ T' M" n3 O4 t8 l: o% W8 x( e( M& H
set-current-plot "Trends-of-Local-reputation"
& Q4 |. g E1 ~+ J: N K: \. j& X! J. L0 L( V) O
set-plot-x-range 0 xmax
6 H, g% A$ r! H# @ P6 {- b. V4 k% }* ]( T$ Q, k# T$ s' x2 \
set-plot-y-range 0.0 ymax& C2 R' a4 ]3 H+ |
end
, p$ ? ?% r$ ^4 f7 x X0 W" s: b
, Z( L& \# z" e4 |to setup-plot2
! P5 J3 j" U; q/ I; s, m/ M- p9 G6 c1 o; \6 x6 B* x
set-current-plot "Trends-of-global-reputation") ~- R; ?7 ]( J5 O
/ w* ^2 [. `8 H2 L$ o& ]; j6 R: B
set-plot-x-range 0 xmax
: x, @# E& |8 x* g/ ?: s! N6 E% q1 d0 k1 w. w
set-plot-y-range 0.0 ymax
?5 V6 i; @3 y3 w1 qend
5 `: _4 V3 c5 h3 E6 s! A9 b/ e9 r3 R& A7 q
to setup-plot3! v- P4 B9 w8 Y* _8 S/ ^* \
7 |( A" q l. X$ W5 m) ~, dset-current-plot "Trends-of-credibility") O% J& S1 B9 V/ b, V
7 q, }9 d* U; p4 Z* T: F
set-plot-x-range 0 xmax; Z0 s% C- n" K3 _ H- d
6 N* J# p# C _set-plot-y-range 0.0 ymax
: S- I1 B5 }: _6 m9 N! Uend
0 [3 _0 w2 }7 d
, N Z: L/ t; c8 S; c8 uto do-plots
# |" N. |4 D9 n+ ^" ?set-current-plot "Trends-of-Local-reputation"
* c, C5 _6 K( M5 uset-current-plot-pen "Honest service"4 S: J- l0 n# `& C
end
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* w- d- r1 [2 i. _; ?5 h[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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