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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* c" p6 t& V3 E: F
globals[8 k9 f3 Q6 }3 ?! e
xmax" Z7 k' t! ^% e, Z4 l. l
ymax+ g$ o, h7 X5 s; Q
global-reputation-list
# u) E& z2 l" S) `' V3 k8 i
# I& z1 b6 F& G( H3 U- z;;每一个turtle的全局声誉都存在此LIST中
9 x0 g7 X4 F5 J* }' dcredibility-list
/ O0 g4 E: j* k;;每一个turtle的评价可信度
1 Z. f& Y8 u3 |7 e/ Chonest-service2 e4 M( ~+ d- ~4 e" N$ B/ v! t
unhonest-service1 N8 ~/ f0 J1 ]4 m( L N/ E
oscillation$ `) J3 O o9 I$ Y9 R/ a5 W+ L
rand-dynamic5 @! V8 t; |# u- P2 r
]1 y v6 A- [. c6 U% s3 J
8 u2 ~ b- ?& b, i9 Iturtles-own[3 t- m9 m9 f, D1 v+ z
trade-record-all0 G! ^$ e! k' }; B( {2 K3 w
;;a list of lists,由trade-record-one组成' j! c5 ~5 n) e: |0 ?* K2 {
trade-record-one
% z' S/ n" n2 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
( i/ H8 P2 T4 O+ E) H) I8 r2 Y+ V) l9 a" W' b# d
;;[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]]
' s: D8 H1 a* {! Qtrade-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]8 w% X% q) u4 Q; v k0 S
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: M- M5 `+ M5 I! F V* [( X
neighbor-total% p+ G7 X7 K8 \! M% G" I
;;记录该turtle的邻居节点的数目' z3 l' u8 ~ a" W( ]! y [
trade-time2 }* r) f' a: u2 K$ i9 e2 v
;;当前发生交易的turtle的交易时间
) P8 |( q- k; w0 {' \ {4 Lappraise-give' y/ [, m3 y* v3 e- X' C G
;;当前发生交易时给出的评价. q& P5 H) Z& I$ |& c6 ^- z
appraise-receive3 F% U* f0 N! \) F( f% A( i
;;当前发生交易时收到的评价
" Z- v q! |' M( H7 Bappraise-time0 P3 a" c. u/ R6 n, C$ F
;;当前发生交易时的评价时间$ W+ |, }" }. D! y3 q
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
. j4 ~ c- a$ f1 w% } vtrade-times-total) R) C% y$ M9 p% L
;;与当前turtle的交易总次数1 g( i/ j& b3 k; x
trade-money-total
# X, ]( B; U; u! Z' n# \7 O' {9 e;;与当前turtle的交易总金额
, Q+ J* P, Y' |' g! Tlocal-reputation8 I& T2 L! Y. l$ G
global-reputation, F" c: U7 S& M9 e0 A6 S
credibility
7 C8 ]) Q7 J* @; D8 w+ H;;评价可信度,每次交易后都需要更新8 a: E* W0 E* J) L2 h( Z/ L
credibility-all# F: F. Q( U! `! p. e
;;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. [2 U6 J! `6 {% T
8 l, E+ C1 j$ ~4 V3 ^
;;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
8 B3 O$ t2 }, i% w- [+ U# Ocredibility-one4 D4 P! O% i4 ? v! Z# w
;;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 Y- k. v6 K7 r
global-proportion/ a d8 r: _8 w! |. i/ M
customer" C5 O$ {" r4 O4 y! T8 K
customer-no" O% k' P: B2 M; J7 F
trust-ok5 j/ |0 b3 S1 ?* K/ l- o# R
trade-record-one-len;;trade-record-one的长度
* W" l1 m9 w8 p) p0 W: A! [2 n4 H]
. e9 s. }5 ~9 W' ?% U l* n7 n7 _4 p: Q: l) G1 V) m. z
;;setup procedure
! g9 U8 _2 }" y8 _" _( K
3 n/ X3 k# F- ^8 Nto setup, d+ C* q/ c: J2 p# v
# D. f1 p: i/ C g) H/ S* Lca
1 E _6 L& F9 e5 f6 k! A& J9 t; ?5 ]
initialize-settings# H4 ?9 W" g& a- G0 v4 R
; ]5 I- u5 F; A5 P$ @. j) ]2 X5 Y
crt people [setup-turtles]2 J8 y" C- [ ?! v/ |. Y. Z
; _! ^2 @8 x2 g- Q/ u9 U
reset-timer
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; @+ Z$ C" O5 Hpoll-class. D% A7 ~' u+ r0 d' y
/ x0 V: T1 z3 E4 h- o1 ^& asetup-plots
* [# o: ^6 Y: E& q$ f5 w
# y& m r q9 V5 F6 Rdo-plots
. i0 Y9 h) k- B/ S7 Dend
# D, i1 [9 D! h- W0 F8 T0 e" s
to initialize-settings
8 |0 u' Q4 ~/ A" ~5 x5 B; e, g: Z3 ~. h! J
set global-reputation-list []
( K, g" }% r+ [! I" y. A; r
: _" I& C. B+ Z/ x6 v2 ` h& Dset credibility-list n-values people [0.5]
' [5 H [9 ]7 J' n! E
: F- f" Q! i9 _$ Dset honest-service 0
/ x/ J6 Y, e. @* L0 q7 z) T4 v( D M+ q6 X
set unhonest-service 0
& G$ {4 f: V. B# @) U1 _
+ Q8 ?- Y5 I$ e6 r3 M- \$ aset oscillation 0
- t3 l4 \. R4 {! W
6 s# [+ I3 g- C- ]/ {0 fset rand-dynamic 0
: |( s( ~) d8 ~& zend5 X; u8 P( F3 g e
6 _3 p, n$ o9 q% O, w, v8 N
to setup-turtles
9 q2 h! _2 j( @( l" |2 Nset shape "person"9 E3 ~5 s2 K7 I- k, p8 D9 f" K
setxy random-xcor random-ycor
5 C, n( F. r% k8 yset trade-record-one []8 [0 H# \: K( C: I( N) _' n; ~
0 P- I( _: M% Y' F* r3 _3 N9 q$ p
set trade-record-all n-values people [(list (? + 1) 0 0)]
1 Y4 p `5 N; p( H" s+ ?! E) n8 c
, Q. Q( p$ W, S! F$ {: Nset trade-record-current []
) ?8 Y. N! u V/ l$ P0 }set credibility-receive []
$ m% y, V+ O) l: V7 g/ |6 wset local-reputation 0.58 N6 I j* ~" K: g- q
set neighbor-total 0
( y/ d# N6 l9 P4 K( N0 o; z1 k/ yset trade-times-total 0$ a1 H& _* H( W$ a* d5 c
set trade-money-total 05 e1 H) R+ o& p$ a" o! Q8 K- c
set customer nobody4 R$ c: x }0 ^4 E
set credibility-all n-values people [creat-credibility]3 d8 q6 R3 ^6 j
set credibility n-values people [-1]
3 h: F' l" V; |, Iget-color" h/ i' y4 W, }$ C1 G6 U: U
0 Y2 O$ x7 I0 ^" X
end
! b' f8 M l/ c
1 F, k( ]4 s5 P) V: fto-report creat-credibility
/ Q$ K% E4 w1 U5 Kreport n-values people [0.5]
3 m( p- }* {8 j: y( nend8 p' G6 r- r2 D9 g9 c/ k
' u. q8 i3 E; h4 O4 z4 Bto setup-plots
( s8 I+ p$ T4 a% F- @
# W. W1 j6 b0 z& h6 {set xmax 30
6 U8 S {* r8 a
5 F& }, s1 k3 t8 \6 f; ~$ aset ymax 1.0
# d( o2 ]8 S E0 e: [! j0 C) {/ g" i7 p' ]; l4 G; N/ [
clear-all-plots' |& E( H3 t7 c! K& ]8 f
9 D' W D; l7 l! @, ~" [* f" T
setup-plot1
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setup-plot29 _/ W9 @( B7 v" n+ `
" C+ X( v p7 b( {- C
setup-plot31 `5 ^1 W I1 f; }. Y, Y' I
end, B, Z. K' k6 {7 }( m& U
! p2 t/ d1 H- Z3 U4 `3 N( K5 z! C; V8 ~
;;run time procedures1 [% ?8 |. G% Z1 ]0 O! ]: m9 h% _
/ J _* f p, n+ ^7 @5 [4 _6 Rto go. M- O7 j. F1 e' U0 t
0 O- h8 C$ h* A' Z1 e% y( [3 p
ask turtles [do-business]) E" j# D! a# w, c3 [6 m
end
$ d7 J% s+ z6 c1 h- \8 A5 W3 T! u; k. ]# C
to do-business
/ D3 u, m% t9 Q1 k3 h, z9 z
7 z5 ^4 V2 W- p o1 i+ V7 [8 I* u' |2 U- x6 H
rt random 360" S7 k$ x! c+ x8 A: J9 r8 Y
% J& }! q, O* N9 J
fd 1
5 n) _4 R) z7 t9 H H' s- }# K8 G7 L% J) e( h/ V# `! M
ifelse(other turtles-here != nobody)[
3 {/ X- |* a6 p' B8 X" _4 y1 c; c( P. |- H7 t- q7 O
set customer one-of other turtles-here
' }, h1 `# N5 b
" a2 K; `5 e. G' m;; set [customer] of customer myself6 O. @8 ~3 ?( c' C
0 f R, D$ I2 R+ ~* `set [trade-record-one] of self item (([who] of customer) - 1)
2 W- I7 Z# F9 P& w1 x2 x8 _' U o! O[trade-record-all]of self8 k1 F0 _- |5 K0 X, z. g
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
' [; R' u* @6 S2 C' l9 x: C: m
3 l' c/ O$ \3 P3 Oset [trade-record-one] of customer item (([who] of self) - 1)
' P. O7 s$ H$ Q[trade-record-all]of customer& s! g0 O6 T% e- J3 V0 q) b
h8 n! C" C+ Gset [trade-record-one-len] of self length [trade-record-one] of self
0 G2 P5 ?5 M5 ^' E5 b, }
/ h% ]$ `/ j" f( \# S, rset trade-record-current( list (timer) (random money-upper-limit))
4 e6 ?, L$ V6 h! v; l, B' Q" n2 o+ y* y
ask self [do-trust]% p' z/ u8 J0 r8 k
;;先求i对j的信任度
9 M/ [) g, S1 h/ R1 M" [) w
* o( r3 G1 ?. F0 Cif ([trust-ok] of self)
! i( K9 b/ K8 v;;根据i对j的信任度来决定是否与j进行交易[
; x: h' N4 h5 F9 xask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
0 ~ \3 L$ Y9 P( o+ V' m9 ?/ N7 q k8 L! W1 i* T
[/ a+ x3 c4 n8 {3 f' `4 R/ I
) M: W2 T A) ~
do-trade
" W& x6 G* V: D* y+ H" H; p
, ^% p7 k. {7 k: Y4 }% Y3 e# Lupdate-credibility-ijl
! Z/ {8 I U0 x+ E
) o# N$ `/ d" Fupdate-credibility-list
2 F+ u$ \) u4 ^2 _7 X2 G: x2 ]- O! x
8 \: J) i P) C6 h$ P$ y: f+ O
update-global-reputation-list ]" |* f1 t7 [) s+ f1 Q4 Q
7 t8 E: M0 _ j5 i# X4 Q' ?
poll-class: J C! u2 C$ E+ Q9 i6 }2 v6 _
4 U1 A6 f1 ~+ h1 e e4 h% {get-color# Q0 ?1 J7 N- A4 w
9 e l! }6 i8 @: V' v3 Z8 M$ u]]
: Z/ B+ X# v) H* D' m8 y1 U; s) f7 q. I0 E" t' H* Z, K
;;如果所得的信任度满足条件,则进行交易8 q+ S% x2 J/ D% P4 o
) A4 `* ]" `$ Y J1 p[! d, g+ d* t' R4 l2 U# _- V
" G5 q4 K# o- D5 p( f% D p9 Lrt random 360" |8 F5 S3 C: v) \/ \7 O
4 H4 W, `1 T6 Q: W( Y( z+ Gfd 17 M5 T+ f c% G4 l2 l5 h2 Z" ~
! @: i* [" N5 B
]* U/ I$ f T" u, ?, b
7 _7 I! U3 }% V* C8 Yend
1 ~+ @. f+ r' R! }; V
; R L) A6 [4 l' x( fto do-trust & V5 i! }9 p( b: b- B# c, y5 {
set trust-ok False7 J# ?9 F9 @4 X
( D& x% z/ B' E) m% `! C
# z C7 b. A/ ^: S) X1 P/ o8 R- Olet max-trade-times 06 K. q- J" T4 \3 o5 |6 `' w! C' ^
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]], O. y. W+ p- s J
let max-trade-money 04 ?0 Z% g( L9 q
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]1 x5 K4 `: f# F! {- n+ F# [
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))- C, [' v4 b2 l) I6 b" Z6 G
4 X9 S1 w0 x8 ]
}4 b: i1 B7 l
get-global-proportion
) n8 B' w$ ^+ K: Z$ z# ~let trust-value' ^* u' E. H, i6 X
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)
/ c' f5 {: h/ |$ Y2 lif(trust-value > trade-trust-value)
" `9 h2 |; t, U+ P! h* Q& c8 e[set trust-ok true]1 _2 S' U, q. [- d
end
( L+ u+ t, j# ?9 r+ Y! C6 i
8 a5 v! }9 d7 W1 y( p( D! N; i- Lto get-global-proportion8 K3 s( h" b1 g
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
* y3 F' q) `2 Q0 _' g- b: K2 Y[set global-proportion 0]
& ?; V0 \+ {* i# W* g[let i 0$ P) |+ k. o4 ]: q7 c: V/ W
let sum-money 0$ i. Z# a/ [; W# |. C3 e# j
while[ i < people]! o1 ]7 i! Y& m+ a, V! b: i
[
8 I! ?' c7 t# W9 bif( length (item i* Q2 O, L- E5 [" W
[trade-record-all] of customer) > 3 )8 @, r* N [& H3 N3 i2 u7 }% z
[
, F) S* F/ H5 J4 O5 z2 Oset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
! |; v8 S* I y]
+ z' A, A; ?# d0 G]
8 {9 ~+ x# G% a6 C- F: rlet j 0
1 ]/ A# M' o8 H$ Ilet note 0
! n+ j/ D1 I$ j* i- zwhile[ j < people]% p M3 I- g0 v6 ]) S
[
. \% C- ? a, v: ?+ b# Nif( length (item i
: m8 g, B* s O4 r4 e6 W[trade-record-all] of customer) > 3 )
; h3 B8 {; {# {5 |- ]* D) ? H[ L" w& h7 | j7 J$ i* O
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
0 k' t# @) K9 u# p! [& P/ w[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]9 Y1 h+ d- }. {
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
4 ^. x4 I! C: Q4 y/ C# D+ v]3 ?. P0 d8 H) c+ u" O
]" A" w ^- [4 D7 Y2 T
set global-proportion note( k9 c" A, S% ~4 {
]% ~: s7 [" i) [3 o" S2 i* O1 M
end9 q' i7 s. G/ A7 B+ _9 {/ V+ M
, D9 ~. X- @) O6 E. A' d8 Dto do-trade
/ ]' T/ N# o8 _% x# q% s) x;;这个过程实际上是给双方作出评价的过程
8 m6 k8 ?0 z" ?/ k$ y- n1 oset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价5 u% y3 C6 N6 Q* B6 Q0 J
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
# N: d$ T' s+ C2 `( Iset trade-record-current lput(timer) trade-record-current
, Q$ }) Q. d3 U. K1 [! ^6 @;;评价时间
/ k' B/ j p- c( P: j- Task myself [% o+ Z1 c" D& {
update-local-reputation
. Q( b5 \ D0 Y5 _set trade-record-current lput([local-reputation] of myself) trade-record-current
3 a& j8 N( Y5 M# a+ J- \]
2 F# m, S) e7 f8 x% H- Sset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
4 Z8 x6 I, |) d4 Z) P7 B% t k7 |;;将此次交易的记录加入到trade-record-one中; p, a! s3 t/ W+ U' a
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
5 N9 S; u. u0 ~% f+ J. Q6 M2 t/ Flet note (item 2 trade-record-current )
/ A3 N5 z$ @4 M+ z2 f1 k5 |5 ^set trade-record-current/ _" M4 P* b" I! j* e* m. I
(replace-item 2 trade-record-current (item 3 trade-record-current))
! t, {+ A9 I9 G# g2 E# E6 S! x: a2 Vset trade-record-current
: E, v R- F8 \6 x4 f: q4 F; N(replace-item 3 trade-record-current note)% i2 C! Y1 h8 u( t+ n8 z
8 _! r5 ?6 J2 j- @! X& _; H. d$ \! a3 D) d9 S- n: m! t" s/ T
ask customer [
% B- D+ x6 h* O4 Tupdate-local-reputation# }9 R! Z5 j! F+ d
set trade-record-current
7 |& G5 [+ J' D& f4 d r. |(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
% g# O# U7 z* o) d! h1 v1 O]
q5 m3 |: T8 X" B1 }) p' O2 {: N& m& P0 _/ a
) C+ |- ?7 {7 I- _! _1 q U# c
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
9 r O/ ]4 r! N8 }; r. n/ J9 J e2 A
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))8 N3 O" R1 c% @. X5 V! ]/ E% b
;;将此次交易的记录加入到customer的trade-record-all中1 t8 i3 C" U* o- j9 [
end% p) R+ l" D7 l j5 D% Z
t2 \/ B6 e% l8 W" w3 Yto update-local-reputation
6 J# @9 g! E2 [( A% Nset [trade-record-one-len] of myself length [trade-record-one] of myself
) X7 X, R) k% ?
) |7 r5 d. r" D4 m- e8 e
7 ]3 C& C3 }# W8 I6 ^- Q7 ?$ o;;if [trade-record-one-len] of myself > 3 3 Q5 G" G( Q z, A9 m6 Y
update-neighbor-total
J/ g7 j! p3 A7 W. X3 g- \+ C: T4 [' j;;更新邻居节点的数目,在此进行/ x. d9 f, v1 @! ]7 V6 ?$ v
let i 3
" z2 \& W, C* Glet sum-time 07 v5 I! c) ?* \; [5 U
while[i < [trade-record-one-len] of myself]3 L+ h& b. _' E
[
& v' g# b- r% ]# Q- Gset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
: X J+ {5 Y- y; E. \set i M# H" D. f% ?' G
( i + 1)# e) {/ @. s5 F
]
; k7 v+ j- l; f1 F8 N1 blet j 3
: _8 n1 m% k) olet sum-money 0
' u1 T9 f3 K) f4 G, iwhile[j < [trade-record-one-len] of myself]- f9 Z r8 S6 h) }( o( y6 _ U# a8 e
[* f( K1 W7 z, s: E& d
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)" Z! K/ ^& u( i
set j
, I. g' b# w* y9 K2 a" ^( X* ^( j + 1)
& I c/ C1 R" {. w% K( x3 B]( q) T5 L7 N. s5 c" N g
let k 3
& @2 B; w- |1 S& H" q( H, hlet power 0( i* B' d* P ?2 J
let local 0( M% h' r3 r$ W3 O8 S: {$ l' ?
while [k <[trade-record-one-len] of myself]7 `( {/ V6 S. p+ V$ K/ a
[' w" i9 m# a+ b
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)
* D2 c4 q0 ?) P4 Lset k (k + 1)
( x4 ^! ?" c) a9 P3 M; G]* O' v+ _( Y" }. w% P. c
set [local-reputation] of myself (local)4 z! d `+ H1 V0 v T- e
end8 Y9 Z7 J2 F# I n; q
7 D; P% z. Z# C7 v( N4 nto update-neighbor-total- ]% Z$ C; P, B
0 j) C3 P9 i6 h! T+ s2 jif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ] o, {, W7 M7 z0 `1 x" h
+ W$ f9 P' m7 v( a; j+ U0 H+ ~
9 P$ q( I$ n5 Qend
/ I9 _0 V, ?7 Y X- s: g3 Y3 i; Z/ L0 X
to update-credibility-ijl 2 t0 [7 E# e, h2 j/ F/ u
! }. I% w3 G6 l& o; H+ f; ^( P2 B;;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。
; d3 ^ E$ a& S" H Flet l 0
* H- o) }+ l6 }while[ l < people ]2 M* S. z% w8 P
;;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
1 o9 k' B4 n5 g) |5 D6 x[
4 C; Z* @2 l% V" \7 F7 Ylet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
# Y. z. T/ I' d* |: |4 P3 r$ qif (trade-record-one-j-l-len > 3)
: k" k1 }; ^& L6 @) J4 I, z. n[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
. \. V, @$ D1 n" Glet i 3; f6 w/ h0 S* j5 P! b8 x. g; _# Q8 `
let sum-time 0
, q2 G$ V) d# `/ d6 Z0 hwhile[i < trade-record-one-len]
m' Z5 Q$ S1 U: d! Z[
% A+ ]" S1 m% ^$ x! t9 vset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ): q ]+ D6 L7 a& [, K+ P
set i
$ X* @; ^2 b! e6 e, ^( i + 1)7 g7 s% u' x: L, T9 D
]
7 ?' @- Z' B# Tlet credibility-i-j-l 0' @) X7 S6 L0 s. T: \* T
;;i评价(j对jl的评价)
, ^+ X ?* J D9 I: hlet j 3
4 r1 d- @5 t: L7 W! }let k 4
( t# W0 \' t: ^8 r5 i5 e+ a& {' Zwhile[j < trade-record-one-len]
) V( K# B" i, x0 Y6 y: n) g5 [[
5 S1 S/ {/ T& N+ J+ K8 [8 R% vwhile [((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9 F. ^8 G* H1 Q$ A: i( \
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)& ?) |: V( l3 P. w `' ^& y
set j6 D$ o1 ^8 L \' F3 i5 z4 M
( j + 1)1 z, b" O/ e; g$ E6 u. y0 w
]" L1 N3 N7 a# S7 o8 r
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 ))& k6 g! }9 V, L
. w6 `- Q9 j. S( e1 a+ G% Z8 z0 _* R/ q# }4 ?+ @# e
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
9 ?4 N/ X$ A* m$ Z3 b;;及时更新i对l的评价质量的评价. v3 S8 R' l a3 ~
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
& V' N2 l9 a5 s8 u9 @set l (l + 1)4 R- P4 I# R1 Y+ U4 }' y
] }9 O# q8 F1 {/ W% X
end, L0 R2 G1 [2 o/ f. U/ r
; E1 T' x7 |# P1 F. l5 \3 t2 `; Z8 bto update-credibility-list, U( C* _/ ^' L8 U6 ]& F- D$ {
let i 0
* N! I4 a5 h6 u! Y: k$ f6 uwhile[i < people]
8 E( D4 ~+ H5 O[3 ^+ F! w* } q# C2 `
let j 04 T3 ]6 U T! w* A: c8 U
let note 05 B6 ^& X9 y$ g1 v5 K* n, i
let k 0
+ s) Q9 H: c; k;;计作出过评价的邻居节点的数目
, W8 t5 \, ^" \% o) \while[j < people]) }* l& W5 m; W' a( z
[
! y% X$ s" S7 j( Q* a' z9 m* G1 `2 yif (item j( [credibility] of turtle (i + 1)) != -1)
/ a$ }8 `9 h* N3 o' q+ R;;判断是否给本turtle的评价质量做出过评价的节点/ e( x4 a6 \5 @7 s5 i h9 E% }6 l
[set note (note + item j ([credibility]of turtle (i + 1)))% p* X2 G) h4 y6 ?4 }
;;*(exp (-(people - 2)))/(people - 2))]
% K" W; I- X3 X9 B- G; j0 nset k (k + 1); ?& R0 {' B: @! ~4 u+ V, x
] _8 Q$ Q+ q" `9 H
set j (j + 1). k0 m% h) ^( W# [9 r0 D: S
]& k+ I& c" b4 `' y) O
set note (note *(exp (- (1 / k)))/ k)
2 q! U. p0 w$ z& _/ M% S1 E# y2 X$ ]set credibility-list (replace-item i credibility-list note)& B! Y( Q1 W: w! S6 B8 O, [0 o ~3 ^
set i (i + 1)
2 Y, X: x6 X4 F4 t6 W]
- U S) B+ U5 h" ^- Send: l. \. j+ Q; q+ `2 A
9 Y) y. v" e; {to update-global-reputation-list( A0 V7 n. p3 q3 F2 K
let j 0 ]: N, }" l) C/ \: q5 I% u& d; ^' ]
while[j < people]0 T( r2 }1 g4 q2 O: S/ N
[! G7 |) | k$ A; w; L
let new 06 g. j: P5 y( {. g0 {1 o& L) C
;;暂存新的一个全局声誉+ p, {2 D+ [ Y9 N, S# P
let i 01 {1 _4 `6 g0 A' \
let sum-money 0; H. ~4 x& j: _
let credibility-money 0: r% S9 x, c6 z
while [i < people]
5 P( z. s3 m$ {- x h[
. b; F$ P7 f6 D! S$ K/ qset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
" i* t; L! o: R* Q9 Bset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
6 }+ _' L; Z/ F8 Zset i (i + 1)# A( Q0 k$ R( L5 k, W1 b! l
]
+ \' C5 a4 v4 h: H: slet k 01 Q3 N8 F: L5 M
let new1 0
5 C' k' V2 i1 d( o# s2 a; ywhile [k < people]
7 f. Q& U5 T7 S. @+ v5 l[
w! S9 R! p( m0 K) 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)
* G i" O, d! S( z+ G }+ sset k (k + 1)
* O) V q" U! i2 e]) G& x, k1 I6 q0 C* U' {$ H1 S
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ! p2 T7 \4 ~7 J. A
set global-reputation-list (replace-item j global-reputation-list new); ?% B1 H2 i8 ^2 j; {1 f
set j (j + 1)
& q9 K9 \$ f& b9 {* U]
% g+ E/ z/ b& H/ d+ @, T* tend. X# }9 s$ u4 F0 @2 J6 ^+ ^0 n
2 X- n p' I" J" |" Q
" v* I2 z$ r; \
/ X' c$ {! w1 I S# y' K: v1 h5 F
to get-color. i6 C7 F3 I: e( G7 f2 t; T- h9 B1 X2 `
+ V3 ]4 I: H7 y1 H, J: Fset color blue! ~, c& Q& Y/ ]' H& ^$ @
end
1 o. O7 w. R' v$ }& ~- w
; O5 g, [( y% ~6 m4 }8 {/ u8 Mto poll-class
, G6 S0 v" }3 R8 A6 cend( l2 E( O6 d& h* Y9 h
. X' u$ Y% ?2 H( D: ~* i9 I
to setup-plot1
+ C* B" p) O+ ^" D8 E1 Z/ c: O0 ^: ^
$ H1 Z# g4 m4 |, u( rset-current-plot "Trends-of-Local-reputation") I4 O2 Q9 W. N+ @
' ^! e1 K6 s7 ?* ] N* @' d! J
set-plot-x-range 0 xmax
: W* ^# A8 ^/ A% ^6 t3 D
0 ]8 _2 O0 o( S8 s. p: Bset-plot-y-range 0.0 ymax
5 {; J8 R& C; _+ \2 Fend+ p/ s7 H5 B/ A. ]9 Y, p$ r; w: F2 o1 \
g7 t* }3 a7 W7 p1 Q+ ito setup-plot21 |: E2 \0 @. _8 Z2 m
$ n8 g: w$ F) ~& F# |% { nset-current-plot "Trends-of-global-reputation"+ d* L; w, q# I+ r
# E% O2 l( x) Q- D [( `
set-plot-x-range 0 xmax7 T& A# Z' p/ R- D
! d- }! Q* d& i# l9 G2 Qset-plot-y-range 0.0 ymax2 s r- C5 d8 n5 G! @
end
2 O. ?* t0 e6 d( Y! b6 w1 ?* U/ K3 i! v% j) o7 V
to setup-plot3
3 Y- v, J m0 j/ w# h$ \ H j$ H
set-current-plot "Trends-of-credibility"
7 j' z7 T" ?, y3 F
/ H s3 @9 p: r/ |& A8 l* Z- yset-plot-x-range 0 xmax
6 n. k; n. B# {( V
/ N7 ~1 X0 h& s1 N9 ^set-plot-y-range 0.0 ymax
/ L( _ j9 U$ X1 y* E9 Send
2 i0 X( q: }, t1 f: n: r# e
& m6 \. i$ ^) _4 A; h1 K8 _to do-plots
$ L& Y/ d0 Z5 V& y8 w/ nset-current-plot "Trends-of-Local-reputation"0 |* s" p- ^. M' C
set-current-plot-pen "Honest service"
' Z! @0 h) Y! c3 kend
( L; D9 {: r, Z1 J4 `/ K8 W1 H# [1 |; r+ i$ k C9 e
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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