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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 W% M6 G4 }' u( q: z1 `. h# @
globals[, ?! j2 l( m& d4 `: m
xmax: S- O9 B, n, P Y3 p
ymax3 ~% |2 s2 f& ?6 N2 K" K* x. v; w5 A
global-reputation-list0 p5 ]% f/ U2 I8 j) Y* o. ~5 P
, ?, \' [& b. t* f;;每一个turtle的全局声誉都存在此LIST中- i# o$ m+ b+ v1 m- a
credibility-list* i1 v. S9 k a2 j
;;每一个turtle的评价可信度. S, G1 g, K `) g6 C) x( v
honest-service
# \5 z: Z: k2 D6 A( X' X* }unhonest-service" Z. C; ?" l3 O8 d* G+ V/ h
oscillation
* c1 I- ?7 F& [7 ^rand-dynamic
- _0 A. R& b6 K]
" p2 H5 G* P, c( G& P# X# S- M( @4 N- y8 c# I$ |8 [
turtles-own[
6 n4 k% p' ?( P+ J) N+ utrade-record-all) T" B$ e, V7 m. {" c: [9 K
;;a list of lists,由trade-record-one组成
; M/ ~. j" H8 ]/ ttrade-record-one
. T5 U) F! j7 w* l, h8 ]! J* b;;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 D; `5 R6 L. O6 x; O( ~1 U b2 }0 C" W/ p1 h
;;[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]]4 \4 f! V W2 ]8 A: M5 o% t6 j
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]
( C5 Z5 J* W2 _- b/ Rcredibility-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
, q2 a" l1 ]5 k5 S! V& wneighbor-total, d3 g! m7 A) v3 k9 d! ^% M, t: M
;;记录该turtle的邻居节点的数目
) x- H* }( S. Q: W* Y+ o+ rtrade-time# E6 S/ ]% b4 l G/ I: f1 H0 a
;;当前发生交易的turtle的交易时间
5 z( @" V, Q2 K7 r) |appraise-give
4 h+ X R+ W5 r! g;;当前发生交易时给出的评价
+ `* ~3 X' T, Q2 m* Zappraise-receive
6 |5 C6 |* U9 R( a, L8 E;;当前发生交易时收到的评价/ U) R ^, Z1 K
appraise-time+ u, n6 U$ e+ V+ V
;;当前发生交易时的评价时间9 f2 |0 L& `. Y, Y% a# J% R
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
& x' f p% _1 Itrade-times-total2 }( L$ H- z8 ?
;;与当前turtle的交易总次数
. O9 h8 M" ]! p) M Z; Dtrade-money-total
$ @1 F' j* ~. v! ~( {+ A& a3 q;;与当前turtle的交易总金额
- V. I/ k4 p) m6 ?: mlocal-reputation1 X7 Q# j5 g/ f
global-reputation
% I B, R M! t; R- Pcredibility2 g6 i- g. d1 Z& _4 |' _- I
;;评价可信度,每次交易后都需要更新2 W# ~! A8 O \+ H- t
credibility-all7 g& w5 q% h& \8 O; s( ~: 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0 d p/ V1 x7 j) p' U J9 H+ P' g* Z
1 y8 c4 b* b" W& B: ?/ Z7 _# 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
' J' X% h) N' J. X, ucredibility-one
8 P& v2 n. t% v& B( G/ T;;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
/ F4 l: B: d/ B1 Y" w* ^5 ~- ^# qglobal-proportion
& M2 @8 D' k( e( ]' S _1 Icustomer+ i" s1 m- x% y. _0 u
customer-no
8 R5 R: z" ~- U8 U0 n: B0 }trust-ok
% p8 X& z. m5 Wtrade-record-one-len;;trade-record-one的长度% F7 i2 _5 N0 v. N4 z
]
' e" e5 n m- A7 m! {+ ~, M1 ]- S% v$ V$ F
;;setup procedure
. @0 m" z" W7 ~* f# @- N
7 W7 A0 p3 _9 ^to setup) t3 o% t4 X! |9 _% s3 w+ t* B+ u
4 z9 F9 U3 X1 L, x* n* ^- L5 k/ m* eca/ _# J7 b( b+ B9 u4 Z8 l
+ _" o9 o7 _- O8 Finitialize-settings
* E0 z4 i5 A0 |1 {% Z2 E" i: u
/ ^) @' g% m( ` U: S$ P Tcrt people [setup-turtles]" [0 d9 y3 R8 w9 {4 r5 S
4 ~) Y; s. R% G# M& A' @reset-timer0 m! O$ K2 H+ r9 i
7 b5 u. G8 S& y* E/ vpoll-class
& {0 V+ K+ `: x$ ^
9 b- i9 C5 z! r( g/ X' msetup-plots& P/ D/ f( Z9 K/ o% @. F8 L+ v
- i+ S$ `8 q$ Q7 A+ D3 ydo-plots/ p1 J w4 ^3 N2 r+ Q+ G: E7 ^+ t& J
end6 K+ {' b2 O/ v
& f& D$ y7 \/ V% y* g+ _4 Y6 rto initialize-settings
1 Q3 L1 N7 }/ t0 Z- J
# S& I" G+ r4 w- W2 x! cset global-reputation-list []
* A; ?8 s; t0 j; e- t8 L0 C. j; U
- G8 l" l) g- \" \1 Hset credibility-list n-values people [0.5]
$ _6 x% E5 Y4 N( {7 G7 X# v4 x6 ~3 a B8 {4 G5 |
set honest-service 03 Z, M" a3 j w; k6 K2 ^- z$ O" n
3 A4 I# R8 Y! S3 X* c' F. B& |set unhonest-service 0
9 w; t6 |' I& A$ w; ~# F: W( y9 z" P- Z% U5 }
set oscillation 0
# u" l3 U3 i, Z# b. E8 a G" J* i! b( M; h5 \+ b
set rand-dynamic 0- c% x8 D2 V1 h9 }( S
end( R1 D) F5 E# j3 q0 \9 e
, A Y5 X, O {1 t5 E* U3 tto setup-turtles , c. R& o' \: K( l; D; j
set shape "person"$ @' p4 w' } L
setxy random-xcor random-ycor! P( ]' R4 \& X' I5 O# i+ |0 ?
set trade-record-one []
0 U* J5 B. j B: l, [
# d) }) k4 R; u/ O3 o/ v: Tset trade-record-all n-values people [(list (? + 1) 0 0)] 9 C' i: E) \$ ?
; @0 v \1 N! T6 ^; n% Z* q1 Sset trade-record-current []
5 V4 `( O# R/ G9 C) d# P- `set credibility-receive []% F4 H* E2 X" z
set local-reputation 0.5# w/ x+ w( l" b. n4 y
set neighbor-total 0
3 h" M i/ m' m* r& O2 y& qset trade-times-total 0
8 A3 X0 U( Z m9 Pset trade-money-total 0
$ h: r2 l J2 ~+ K3 ]5 aset customer nobody
# i- U" T' W- ~* qset credibility-all n-values people [creat-credibility]$ I% D5 S. b$ X% D' H
set credibility n-values people [-1]
* G# E; V/ I2 O; z1 B& w; Iget-color" ]' Q0 d# ~4 G5 a
6 {: W k1 B: C5 |
end$ m6 S' F4 L _9 [2 c% B7 b
8 u9 T+ P! A+ [, E/ Pto-report creat-credibility6 V/ t3 A$ B, W+ }6 d# F+ R3 s
report n-values people [0.5]
4 ?- }( ]% t+ E2 @8 oend
' x- G6 h8 _2 b+ e! X" ]) k8 E3 P- r% ^2 ?
to setup-plots
1 T- I' u/ T9 z4 J2 H1 I2 x1 O
: y% l) z. E3 J$ I! S( x. |set xmax 30
& h1 {! F& d4 n# \: V* v6 o
- E: O' m& y' h2 [8 b$ E" L4 [& vset ymax 1.0
) e8 M+ C7 o: J0 c* w4 N3 f8 X7 z+ t3 B9 J6 S+ x. D* y
clear-all-plots
! C" ~* z: @5 c: ~! K% e" E( g& _) i" ]% |9 n
setup-plot10 E2 l: a2 L$ s# K. | ^5 K# C1 r* B! f
, L' a9 L) D+ \% H4 b+ N' ]" ?
setup-plot2
$ O' l z G3 ~8 Z3 ~2 L
1 f. Q' G8 A0 T K! s, o0 usetup-plot3
8 A! `9 P9 a$ b) B0 @end0 B' n, Q) e% \) e
6 [1 ~$ H8 k; R0 ?+ R* ]3 b;;run time procedures
" N0 {6 S* t) T" ?- z9 f, R
, h: s9 W) {- r n K' N+ ~to go
- e! o q! b2 {. W" f( [0 ]" w. l: x. e, L8 q
ask turtles [do-business] x" \5 P5 f+ R3 ?$ J6 J% b
end
# N9 H. z% x t! s, i8 v% m/ w# d: A9 Q5 t( g* H; y) Q, a
to do-business
$ N J$ b# \8 u+ p$ u5 A ?% T D; n9 z2 }7 x# C! P
. Y+ y- a9 q& Srt random 360
" M: q0 X8 k# k3 F* a- B
o& r% X: Y1 _1 k: n& Qfd 1 ?; r7 c2 F( r/ \) Q! v
2 S# q% n! A" r& T# Y8 A5 c/ B
ifelse(other turtles-here != nobody)[% i) [2 Q" b. A& R% [
# K2 L4 u+ y2 Z" t! k o* E4 L8 }set customer one-of other turtles-here
: S/ H* S$ }' s0 ?5 }; _' J+ `# p) e, V( e% l g" B3 @$ b4 A k, O
;; set [customer] of customer myself, l! P' @% ]9 c* ?! J, [
" }1 ~6 Q% D) D* W, X! e6 gset [trade-record-one] of self item (([who] of customer) - 1)
7 V0 n8 \ H7 O, n F0 A- |[trade-record-all]of self
3 P: h1 I8 y5 F; x* ~;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self# T5 D; D: ^+ G5 R# K, f
" Q& e$ m, D, S9 |: q! qset [trade-record-one] of customer item (([who] of self) - 1)
8 m% h5 n: k( L2 f# S[trade-record-all]of customer2 q3 p& J$ Q/ U x5 C! N8 D
3 j, B# N1 C4 y1 V; n! b( G+ jset [trade-record-one-len] of self length [trade-record-one] of self
8 D8 s5 K& E3 e6 S. q+ y6 S6 ~4 J% s" f: D
set trade-record-current( list (timer) (random money-upper-limit))( s7 r7 l) l' I3 b- U- z' r) s
0 ~3 T. E: J# Rask self [do-trust]
( K" P5 a" R' T4 M# Q) l8 ^2 G;;先求i对j的信任度
- L- A8 e0 E& g% |: M
$ z6 w+ ?+ l2 G* O( J0 jif ([trust-ok] of self)
+ G5 h% c" w4 D+ _" j4 L; E6 u;;根据i对j的信任度来决定是否与j进行交易[
2 G+ F# y9 e, t# C8 N" L/ dask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself3 q6 u' b1 @ A
7 \8 `% b8 k; V" ][4 n' o& n6 E1 m$ v6 G3 Y
& s+ t( |& g+ D+ g: M
do-trade& T. T6 ?" q# w$ O
& a$ g9 X* l3 L
update-credibility-ijl
2 T( E" O# I- b/ ^& S
8 o# K, J1 x# a: U* \update-credibility-list
2 g0 m6 f' _) s0 H) ^+ E3 ^9 e7 r; Z7 ?1 r: F( K% G7 n. y0 r/ [
) d8 K1 a. _# ?0 w! D* s' b W, pupdate-global-reputation-list/ J' A2 S7 _$ H0 B4 o7 Q
* r! W: o! `* ]; i5 b+ c3 U! f' kpoll-class
% D/ r* J! d! J1 M5 B
1 j: M% f( J- [% l4 wget-color I: W) b# j# Z9 Z7 N
0 _' t" H" O7 j- q]]
; n5 o; j! C7 o O, ?$ D6 ]5 B3 V7 A6 |5 l
;;如果所得的信任度满足条件,则进行交易
1 C: N* V: \3 Q/ z: h7 v1 s. N
[4 m+ N- A1 A' J
/ s3 m+ M. q. [/ y. e
rt random 360
* u7 F6 N% a+ ~, o1 b* `0 h
8 L8 |% @+ J) `: X8 S7 Ofd 14 O+ x; k. ~: ^( w" q: b
- \* T. \7 U" q5 H, L6 |- h" }]
9 [* f: e; y/ n" P# B; l. w, Z2 Y8 N% E0 B# c( h
end$ N$ y. _+ c& l- O
) q+ c3 j- z( B. z+ ato do-trust
4 u/ [2 j# G$ h% Y6 u& sset trust-ok False: L6 o- d. O* c& z6 f3 x
6 C9 J2 ^: R$ E }; M) n
O& Q2 e- x9 k; Ylet max-trade-times 08 U, e+ Q* P3 S6 }! t$ ~; T( ?
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]2 d2 |: a+ J$ R, p+ H% F" @
let max-trade-money 0
1 ^- x2 M b( C$ Uforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]4 {: t8 Y& E1 u/ f% I1 G* T
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
( T; {5 U+ G* Q) |
/ {" M6 X0 y, E6 T! O5 J4 _1 ^( d6 V+ X6 _
get-global-proportion
/ }- f. a# \+ }. o, I9 K3 Klet trust-value
$ n3 j4 S7 K$ V, U0 K( clocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
/ L( w/ M9 l4 Jif(trust-value > trade-trust-value) s0 C: G& i; C: ]
[set trust-ok true]
8 E% \/ P9 h$ D/ }* e$ nend, K! O& p) `( m, h; M# u
1 p+ Y: X, E5 k1 O" v4 D% J/ F* V
to get-global-proportion# @! V( M) }8 m- G" \
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)2 C8 U) w' R; ~0 s3 n0 N
[set global-proportion 0]
% Q8 t+ T. G) ? J- |0 \[let i 0- k A. T3 l" N5 q. Y& u
let sum-money 0& V! _+ c! o' K* X2 |5 z( g
while[ i < people]1 L; Q3 E2 p3 \; {9 n7 e8 n
[6 o; s1 m2 P' {; H
if( length (item i. Z$ N6 L K$ n) ^) s$ x, j4 V/ ^. W' H2 ^
[trade-record-all] of customer) > 3 )
% L; w! Q: Y1 O6 E$ ~7 K[
; @1 z, T2 P& z8 n; v9 S3 pset sum-money (sum-money + item 2(item i [trade-record-all] of myself)) T( L- S/ \- ^' }$ F' f6 I
]
/ M- u6 H) m) \0 U. g& ^]
, [1 ~, d( o* N: Dlet j 0) p" x8 I- i3 {7 V/ m9 i9 ]) v+ k
let note 0+ Z) j; @; k! }5 p: f# O6 ^. M
while[ j < people]
$ v/ F( W$ Y; `2 u[
1 [+ r3 \4 U0 n) e1 xif( length (item i
4 s% B! ? J$ ~0 [3 q[trade-record-all] of customer) > 3 )
# W0 _4 `& N3 d: t$ J. t[. Y3 D5 j8 J/ x. N5 G
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
! k8 c l9 Q+ P+ c5 R8 M[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]" e9 u& A- L# x1 x
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]7 q; k: [& Z0 s( F, I* ^7 ^# l7 O
]3 L3 p& B; p4 K
]3 N9 G9 \7 X& N' M# r
set global-proportion note4 r& w( `" F0 q/ G$ `
]
: B* B: e# a! i% Qend+ c/ I S- Y; O* t
$ e' E$ ^, s: D7 X
to do-trade
5 q; }, V" Q3 h1 s;;这个过程实际上是给双方作出评价的过程% T: g+ |, o/ B! ?
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
* R. a# m- S7 @, {" l& e/ I* Nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
" g3 `- p$ ^5 n6 Zset trade-record-current lput(timer) trade-record-current
" @1 }& Q7 A9 K;;评价时间: h$ i7 E, k7 h2 G
ask myself [- J7 C& Y7 T6 c2 G) y8 O8 {
update-local-reputation+ m4 c3 h' n9 ^) @% m# |2 Q2 V
set trade-record-current lput([local-reputation] of myself) trade-record-current
3 D3 s! Q" C6 d: _]7 }+ l+ _2 R( h3 s# V/ L c
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
% P4 R5 W) @! | P+ `* n;;将此次交易的记录加入到trade-record-one中
2 u2 V9 B i7 `set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)+ R* T5 e5 r* y: r4 E
let note (item 2 trade-record-current )" L, |# S5 x$ _2 k* D3 q( a! N% o
set trade-record-current
" B: |% l G# O* A(replace-item 2 trade-record-current (item 3 trade-record-current))
! K" k. s. r; c7 E3 |set trade-record-current0 a- t1 l8 O4 y4 {8 J" u
(replace-item 3 trade-record-current note)
4 q6 x4 |+ X/ o% J0 ^4 X* y+ Y8 t3 j
d! L8 X; x" K0 o3 k
* [, a/ t- z; n+ t8 p8 rask customer [
% P( s7 Q n' y6 _' ]update-local-reputation
' s2 ]- d* n+ B$ b2 Lset trade-record-current2 {) h4 T4 ?" J* W
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
' e3 Q3 {' p- J: D) [; T]
8 V/ a# I+ S; ?4 i" E4 y1 O9 b
( H z* r/ h: S2 i* P( R Y) r
* L0 v4 O2 k0 r0 Dset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer$ Z9 b4 O Z2 L1 e/ c
5 d% [" M0 x _1 R+ W
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)): H) L. \' ~7 ~& {; A6 s2 t* D' {
;;将此次交易的记录加入到customer的trade-record-all中: ~2 [+ o @$ m/ w @ G* E
end3 B0 C# e- X& i3 x8 [( I. w+ W; }6 A
j5 x" ^% [% m( |: w: e
to update-local-reputation3 R2 }! S) J1 Z% Z& G3 z( A6 s
set [trade-record-one-len] of myself length [trade-record-one] of myself
- o5 t0 W' i) c: _3 O4 a1 P6 ~. B* l% g5 M( S, d, e8 @
# l5 Q4 h4 `, U
;;if [trade-record-one-len] of myself > 3
9 q2 m" K! B/ [- R3 ~& ?update-neighbor-total/ z2 X7 P, R* t) ~7 K" {9 g1 t7 D
;;更新邻居节点的数目,在此进行( \: O+ @) A. z/ [& t G$ [! S
let i 3& ~) s1 `3 [! \% n$ |4 x
let sum-time 01 f) A* \) P3 t' @# a+ N& C
while[i < [trade-record-one-len] of myself]
: e) o- ~( f' ~( i5 X[
9 @. Q3 ~) D+ W8 vset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )- U+ T* G+ y- F# n+ [$ k
set i
2 [1 U/ \6 C* {$ @8 t1 Q9 o( i + 1)
% a/ z* ?2 k0 j9 G8 t$ g]! b$ K* H* E0 |) q6 n* j2 H" L
let j 3" b$ i" Z. n/ ]; V# ^+ j
let sum-money 0' b( `3 `* M& Y. t* u
while[j < [trade-record-one-len] of myself]1 n! D2 p& B/ b6 T
[' u" F1 c, h q6 h3 H, z
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 X% a0 a/ f/ |0 L3 s' Qset j
6 x. F6 O: d, @5 L* V( j + 1), H4 Y- C9 [% K
]
9 F! e9 O( ]& [let k 3- @3 E. j) G1 s) l
let power 0
" u1 ~- _- n' ]# n( {let local 0
" k9 q' v8 `2 T) c! J$ pwhile [k <[trade-record-one-len] of myself]
, `" L: g. @- h; s4 g- [/ H% _: f[
" _, T% F% y; |1 {) n9 x7 _- 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)
! r( Q6 I/ T: ~0 O% W qset k (k + 1)7 a3 y+ {7 t8 d5 Q
]
: M* }# c1 g# r( Fset [local-reputation] of myself (local)' E2 ^/ c* b1 q0 k' ~' U
end
/ T' {8 o) r# F# J8 r2 x
9 A4 W M2 n. K0 }to update-neighbor-total
5 h. v% b H& \" `3 w( z2 S: G6 r9 S; l" i+ w( F, B
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
7 W( a, t7 v; b" Y, D" B0 k0 s+ L- y9 S U9 q, t
d5 Q' I! @5 z; p
end* S: x. G! V4 c: f- O4 b
$ J5 k7 `# R1 M2 {
to update-credibility-ijl
% O# A6 @/ t1 ]9 N" }& R: C3 a/ k/ o7 u o* \# 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。
3 H- y/ R2 y# g" H# {9 ]5 M- Llet l 0
( R0 ?; ? U0 y ^- Nwhile[ l < people ]/ E9 ^8 b _6 h/ b8 O5 x5 I
;;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$ K+ \, R* v U6 G8 V
[
/ h' i8 e3 t" p* Clet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
. ?* `- N- r3 v' {8 ~# qif (trade-record-one-j-l-len > 3)
$ S8 F1 M2 q3 Z7 g* C3 B[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
; m% }1 `; y$ {# N7 m7 Qlet i 3; J: x5 E8 n9 K z7 Q( `9 @
let sum-time 0; k3 \$ o g* }# c0 d
while[i < trade-record-one-len]
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! D3 ^0 U/ e* @0 cset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )& V# H, T9 D9 Q- `% U4 L6 o$ r& o
set i( A% y7 J3 G' K7 J0 G: t
( i + 1)
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let credibility-i-j-l 0
+ G5 K, j8 w T. [# h;;i评价(j对jl的评价)
4 }& ?- U8 ~4 v5 w0 Mlet j 3
8 T: ]& i+ L, s( H! zlet k 4, e( |/ O/ d) J4 U4 G4 x
while[j < trade-record-one-len]; G" f, g! t9 F1 C7 {. b, }
[. E3 N* \, m9 T9 m+ I. R
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7 }1 r8 U1 A2 w
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)
6 i0 a% F7 ~: s/ L; V, @, Xset j
- u1 d. C$ X+ J. R* ?1 N( j + 1)* P5 k+ P6 V# g" _! h
]
5 J J7 V) M/ |+ `3 O, L+ jset [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 ))
$ p+ _) }8 a6 S* D6 s+ I p7 g, ^
2 m7 l L& w( h+ s% j
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
( d0 Z% `: v) p9 \;;及时更新i对l的评价质量的评价
2 y4 o( Q* P2 t* @! lset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
) R* ~( B4 _4 Zset l (l + 1)
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end
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. X Y4 I1 e1 w- x. D. yto update-credibility-list* K3 b, ^0 _2 h
let i 0$ q+ p) \' e& }. f# d+ d
while[i < people]
# G! Z1 [0 f) k; c[, x" _' M8 |. X; H
let j 0
& \1 ]* v+ T0 h' H$ u: T" x; j9 [2 ilet note 0
3 J+ C8 m, B& X3 }4 q' D4 U& blet k 02 L# ~5 x$ w$ I+ F0 Y. j
;;计作出过评价的邻居节点的数目3 B5 b8 p O) i
while[j < people]2 ?# E" f" v9 P) V; ^: Y. r% {4 s! C
[
6 N; A i J8 G) W# F2 ^if (item j( [credibility] of turtle (i + 1)) != -1)& O, @9 E3 k ^4 W1 ^
;;判断是否给本turtle的评价质量做出过评价的节点' h. n) X0 H; V' T3 a I7 c; w2 m
[set note (note + item j ([credibility]of turtle (i + 1)))4 Z: Q% K6 ~- i7 T, W* _# z
;;*(exp (-(people - 2)))/(people - 2))]
( Y k2 K3 D! d/ {+ p1 ?: s \set k (k + 1); c# t a7 H' s% j8 [: V
]( Z$ I; x' c* M4 m' d& x
set j (j + 1)
$ V! P! J* j4 p y5 R]
7 |$ R' B/ ~* T6 rset note (note *(exp (- (1 / k)))/ k)
$ f' c6 M( E6 h5 _* ~6 Mset credibility-list (replace-item i credibility-list note)
' \9 E: W5 L8 B& ~" j& Uset i (i + 1)
2 H; r5 Q7 E: @8 o6 N4 Z& \$ l0 F]
: j; E0 M2 {/ e. `end
: P9 L6 t1 a; S4 x+ m3 m, J
1 y% z; [ Y. E9 M6 |to update-global-reputation-list
9 f3 b' K# P/ {2 R0 x4 ~% k7 q$ u% Ilet j 0
/ w: g$ c: p5 e% iwhile[j < people]3 T# B1 c7 B& E( c6 D
[
( Y$ i8 y1 H0 l; ?- Llet new 0% k1 e5 X2 u+ S
;;暂存新的一个全局声誉 W0 E& x/ [3 A# f' P' r
let i 06 D$ y0 c6 W" v3 |; ^
let sum-money 08 a+ {# U- C1 `7 M) ]& G
let credibility-money 0
% s7 N3 @$ Q, ?while [i < people]. k( y4 U4 `8 U5 l/ g" q! S0 p8 ^
[
0 `! B4 f* b2 u' w' D/ eset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
; m) i2 E4 @0 aset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))8 a8 s; W0 j6 m
set i (i + 1)
& F6 L) o2 A" e- [; E- r]
! r9 c( _: f% Z+ U- ulet k 0
% E' @1 e7 V6 C3 E; t0 i, Vlet new1 0
' M, v k, @- V7 T, n0 L! cwhile [k < people]
3 ?8 [. G$ O' h- w, Q[
7 q$ [7 N, K; t9 R9 n0 g" l- Iset 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)# D+ `0 L Z+ c
set k (k + 1)( E& V M1 j- b7 }: [4 ^
]
: n$ Y# T1 ]8 R" w# R' zset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
8 F0 [! q+ S, L( k) Iset global-reputation-list (replace-item j global-reputation-list new)
1 c j' W5 F6 P* dset j (j + 1)" C$ t7 n4 ^( G( d4 h1 @- o7 r
]
/ a& V0 E, _5 n5 w: Dend
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* v2 {# |) x# D$ l( V; r" G: ?4 E- l% u, A7 ^" j
to get-color, ]9 j: t/ ?/ w$ h8 S: T
7 j) v/ D! B6 O) A: w9 c
set color blue
! @5 g z2 S) m1 N, nend
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to poll-class9 n) f7 y0 T$ m% J1 }/ D5 }- Z. e
end
! S1 I% g3 M8 k0 G: F6 Z6 P- k1 z9 I6 x7 m
to setup-plot1
+ H/ H2 L C9 ^3 l$ {! g3 w( i. C0 F/ q) p6 g5 z
set-current-plot "Trends-of-Local-reputation"
/ t+ K' B- D. G5 _: h8 k% o. `) x2 W; W. I8 t& |
set-plot-x-range 0 xmax6 C8 C6 B, e- w' X5 f( U8 Y
, p* `: ]; V3 F1 c) ^- X/ X8 H jset-plot-y-range 0.0 ymax* n Y4 M3 w3 f
end
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to setup-plot2
$ k* W, m# x' Z, |$ V& {. H5 \8 K& t! F& E
set-current-plot "Trends-of-global-reputation"5 p' A9 M' }9 O* M* X: x% ~- S6 t
, \" `$ Z$ ?; Z; _3 P/ \6 ^
set-plot-x-range 0 xmax
3 r# \+ o6 m% D! N! j
! W# x, Y" C+ ?7 o$ q, T) @set-plot-y-range 0.0 ymax
6 N8 i6 G* I" J4 ^% J$ N% ]end
* R" g* S1 |7 F" f% o' _9 [+ [& f, B7 S) O
to setup-plot3
( K" d }. L' V$ k- z6 [) _5 F4 A) R" D4 Q! G9 _
set-current-plot "Trends-of-credibility"3 H) i' V0 x5 Q$ |
; r: o# Z1 a5 z; T: N. D- E nset-plot-x-range 0 xmax( C ]& ?. ^ ]0 n& ~
9 }5 |* s& w' O8 l/ D$ [set-plot-y-range 0.0 ymax4 U6 X- @* k8 T; [
end7 f1 D: O) \# m
3 X: L8 b2 \2 T8 tto do-plots0 H& A$ p) P b- j* {1 J& x+ ~) t
set-current-plot "Trends-of-Local-reputation"
" |6 J" |; h7 M$ g* K0 F+ Hset-current-plot-pen "Honest service"; Z3 ^3 V* |- [' ~1 @6 B% A2 k3 c" B% O
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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