|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
- z* [7 A8 ]) p1 uglobals[
- m9 Y' M/ x, p7 Ixmax# m0 n! n Q1 X! [0 Y* A
ymax- D" L w, ~, m2 g$ u; {
global-reputation-list7 z. o& H1 r- |6 v# q& h
+ y" R7 G5 y2 i4 j: q% x
;;每一个turtle的全局声誉都存在此LIST中
! _8 u- K/ r9 K, a o0 Ecredibility-list
+ M+ h- I- i/ K/ v& Q0 q* P;;每一个turtle的评价可信度
+ V! f% P: I9 p9 {* A3 K" Ghonest-service- s# \5 C4 s2 t/ U
unhonest-service
% i3 @$ }4 r8 Goscillation
# ]4 f( s! n) Y7 j% brand-dynamic3 Y0 W! I4 _8 ~; t# z! ^$ _
], r6 n2 m: K3 x0 m- g9 {6 _
8 b, h% Q" N5 f+ r' L7 {1 Aturtles-own[
7 n( C6 v$ @' r% O5 F2 @$ Otrade-record-all9 ?% V+ D0 ?7 ?
;;a list of lists,由trade-record-one组成
' [$ L s' N. b5 K' Q6 s/ a* Ktrade-record-one
% C) m8 {4 p2 b" y4 o4 Q;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录& r9 k; i( u; C9 S
% q! o9 }8 Q3 Q, @5 E @0 X
;;[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]] a& u# u0 r; o1 I9 @& F. 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]* O3 [' u$ ~, o' a
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
5 M' r! t1 m0 ?9 u! Bneighbor-total z$ `& L8 L/ v3 S5 L
;;记录该turtle的邻居节点的数目
" q. B, `7 J- A+ M+ otrade-time
$ c5 Z8 F% L' b) B;;当前发生交易的turtle的交易时间
. g" X* N. z% O- Rappraise-give- K9 V( c* Z& S( w
;;当前发生交易时给出的评价
( F$ [7 E k( f" Iappraise-receive- j: k- S: b1 `
;;当前发生交易时收到的评价
6 _% C2 _+ [6 I' B" pappraise-time
1 a/ e9 l) V2 d, o- q2 j( ?4 y;;当前发生交易时的评价时间
1 K/ h, G) W9 zlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
! M. O4 j' b/ w5 `/ htrade-times-total
" [# b6 V, z9 e! i;;与当前turtle的交易总次数
8 P/ i7 A6 _, Q3 F( @' u O- Itrade-money-total
' U$ q0 o8 J1 n& o. Z;;与当前turtle的交易总金额3 p" `, D: n; J" K- D
local-reputation( w0 \% W: I; {% o2 N J$ h5 m1 c
global-reputation
/ }2 r2 L! e# f/ Gcredibility
% {; f: Y4 k: N6 d;;评价可信度,每次交易后都需要更新
5 O) r2 S Y+ V: pcredibility-all
) ~9 R( r7 a J" @. H% _;;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
" h v0 K* f. S: t% M G3 o) E0 H/ @2 `' J$ x
;;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0.54 Y% \1 ?2 c9 H, W8 B
credibility-one
. c2 \8 S/ E9 l" z;;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. x2 x) k' @3 P$ e2 L6 W) o4 E: b# X$ P
global-proportion
Z7 e5 q* {8 G* Ecustomer
2 L; ]& s2 W4 m* n; T; icustomer-no
# K& |3 ]. d! s& f$ w$ Mtrust-ok
/ f0 A% A. b! }6 {* h! ]( H( qtrade-record-one-len;;trade-record-one的长度4 }0 f7 T, G7 t* x. ?& [
]$ D; Z' G9 s9 i! ?
$ x1 h$ G) p" `1 x
;;setup procedure$ F9 r4 A: J& |7 S
) g1 Q3 y3 Z- w8 g( J. X- M
to setup! D0 p6 ^; \0 c- I; ?* f7 }3 q
/ y5 h% ^' l- y# v
ca; s& K* X+ S+ {/ a4 j# g6 ?
6 v. g* i! |0 n$ M, h
initialize-settings* S9 C8 X( X+ Q# l/ [
' \" N( |- @8 }; R9 Gcrt people [setup-turtles] v8 L6 @% q! b% z; n- E, n
& o$ a; U8 J* ? n4 ~reset-timer3 B% G! r' r1 S5 t7 C
% J' e5 Z E: F" F: a7 L; T
poll-class ^( e6 U7 j; O6 k6 V6 a
3 Z1 B. S P6 Y
setup-plots1 e9 m4 |7 r" J7 p! S$ o5 d
% s8 Y8 S: `# D+ z' {3 E$ u7 k) N4 L
do-plots3 a+ ?" G) Z% f3 g
end
% c6 q1 E& A9 L5 m* c' d; X- ~+ B0 m& m6 U `- R- X. O
to initialize-settings$ v2 X4 h7 u3 \! q' b) V7 M
4 }6 s; I; w7 ~. ~; s" rset global-reputation-list []9 |4 U( M8 u# e9 K) ]
/ m) _$ f& |' u$ nset credibility-list n-values people [0.5]
. F6 `8 u4 K4 ~( M) M9 q3 Q2 [/ k& A( B0 f1 P, @
set honest-service 0
2 B) t% \4 U. Y4 a$ _- X# x% e
; _9 c3 v/ F- C( m6 Zset unhonest-service 0
6 y$ O) V: q" c- W7 C
$ |7 v& f" [2 r% Cset oscillation 0
: I" [! H. I/ ^! d: ?' }/ Q" ~- l: g' ?+ h& `( a% M
set rand-dynamic 0! _ z% E D+ I8 w. ~. ?
end
# n: q$ z" L- E; C1 D, T. x
# W0 Y) _; F2 w2 E2 qto setup-turtles 2 u4 E% T6 N' }, M( Z' y3 ]; w# t* Q
set shape "person"
2 E; t3 }3 z4 i# h+ Isetxy random-xcor random-ycor3 [- j6 M- n* N# s2 _
set trade-record-one []3 X: w C4 q9 h! {6 T5 C5 l
8 e. t' b& f, ]0 qset trade-record-all n-values people [(list (? + 1) 0 0)] S4 a$ g/ l7 `+ ~! f
$ i% a* |# B' r- ^/ B
set trade-record-current []
b9 I0 ^1 t3 V4 `set credibility-receive []
2 D; H q \$ d, P" d% k0 Cset local-reputation 0.5% o$ Q3 S$ }" D: ~" b# K
set neighbor-total 0/ |- U1 y. M3 Z9 N
set trade-times-total 0
$ u# M; `" g k/ W! W+ _set trade-money-total 0
6 K! A1 y) o5 l- d# ]3 rset customer nobody
$ A& G( A( C0 J- I; [set credibility-all n-values people [creat-credibility]* S$ o5 q( `8 z/ k! @$ {7 H
set credibility n-values people [-1]0 L: F- Z$ p- l
get-color% L3 D/ o; J+ Z5 E* y0 d, B
8 h, g, E: d; J% [4 y+ g8 ?4 a
end- ^' u- \) R& D
: n5 Y: T- ^# p2 O9 T( J# s4 wto-report creat-credibility- m- \3 x$ i# W: z1 d/ e3 G
report n-values people [0.5]
4 s: ]9 N8 @. O- r: zend
0 L1 g% {0 H: x+ y9 i! C C, J! T, b1 U6 [/ Y3 g, |$ B" J9 c& u
to setup-plots
0 D/ p( e. o" k1 i) J$ r
) ]' v3 O. R/ u" a# \. ~7 B# L* {set xmax 30
/ _8 y- L, y: t1 D0 w- s" m/ A( l4 |6 J
set ymax 1.0
4 N- L( B- ~& Z5 C( s: P% `1 S" M( K) Z" ~' }) q
clear-all-plots
$ B7 \" u+ M; p% I4 A( L% d: N7 H* m- J L
setup-plot11 u0 p' H, O+ |. W( y+ K+ M
6 a6 J* k3 `/ M0 _setup-plot2; U2 `+ m( ]! q
) u* N& K$ `- X" I" m2 F" O
setup-plot3
/ p4 q+ Q% e* V# m- E# Hend" p3 r# h4 D/ `* y& ]# E( @" Y' P
7 t; F, e2 c: x;;run time procedures0 V O- t- G% R* P) u
6 j3 `' p9 L7 j" S) c2 h$ ]
to go" O' G# i$ z8 X; W5 c; i6 @
5 v% c$ B" _1 x5 G( c+ b8 Vask turtles [do-business]
! i1 ^. s# B f! J% K4 g+ Q" nend: d8 f" c* w' b- w
$ C1 J. G- j5 S, a% w8 Eto do-business ( c) I% z% }4 H& [! z
2 f/ R+ |9 I Q+ X$ I3 B) ~# ?6 d) g. s( f
rt random 360
8 k: c3 K5 I6 P0 Q- `( V
* N3 g% D( Y$ ?+ T; r9 Kfd 11 T) T" l( E" k% |! R+ V
' E1 P$ F$ M4 ^5 N2 c+ \& j$ M6 r& ^! eifelse(other turtles-here != nobody)[
: x* f/ ?0 L/ }+ x
: _0 C4 X0 [: D. l- V I& Hset customer one-of other turtles-here
9 }' g; L# e+ M
7 `# P( [) }( h; M- O# V;; set [customer] of customer myself& I' l$ N+ m# R4 u0 ?* x
* q/ x) g" v+ y/ H( j
set [trade-record-one] of self item (([who] of customer) - 1): \1 @; _* s, \& M
[trade-record-all]of self8 t# y0 {: c4 X# p9 }# z3 D
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
+ L7 G. ]" d/ f" O+ G3 s7 ?; s$ M
set [trade-record-one] of customer item (([who] of self) - 1)
" i! R6 Z8 U; h l# Q[trade-record-all]of customer
+ j3 c: P% O) m9 p: k* g' T' C9 s; M' O: L N
set [trade-record-one-len] of self length [trade-record-one] of self
9 u- u- Q7 F7 U [4 D/ Z+ `& r5 V {
set trade-record-current( list (timer) (random money-upper-limit)). s {0 z2 S4 ^+ y+ l
~8 E+ g9 k7 {, a# R: Q8 k* Vask self [do-trust]# h# N+ R& q5 E! h7 M% c
;;先求i对j的信任度
' G( Z; v/ y9 B+ D$ Q
; R& P3 I! Y3 J. {) ~, z. P/ R8 |: vif ([trust-ok] of self)
- ~5 Y# I4 S: F* U# k. o;;根据i对j的信任度来决定是否与j进行交易[
2 m; j6 f0 F# ?* Vask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
3 A9 r* J2 E- x# u0 I+ @: T0 _" t; [1 c; B8 t. E! M
[
$ M$ d0 \ _3 M" w+ J, p
/ e8 k1 l; |: |do-trade
W/ y7 W5 O4 ~* z0 Q4 ~( ^
) h8 m" `( k/ Z8 O2 V5 y; aupdate-credibility-ijl
; J" f6 |5 R" t3 }2 V5 C) p
- Z4 A# ~: ~3 c6 E+ r# m; a( Bupdate-credibility-list- ~+ ]5 d. F1 p6 D
4 f+ j) G5 j2 D, ^( K7 w
7 I5 n$ h5 R' h$ f& J
update-global-reputation-list n% Q# l* }' O; @ C
4 v! U" q0 W, O3 l2 J a, H- E& Upoll-class
) m: v! g( e7 E4 g0 i' E
9 n3 f" j7 O/ S* _6 zget-color
) `8 C0 G. T6 a7 e
" L: M. z- C& n P, m]]; u8 ?; ?8 U) e4 C5 p. x
) @) c" g+ X, R3 Q2 K/ Y' _! H* ]! Y% I* _- p;;如果所得的信任度满足条件,则进行交易* H6 a' g0 V* x' ^3 r, m
1 D' r' Z+ B3 h8 x' {' \0 [: g[. r, L0 E! S* F& b' m
$ }4 s) ~. T' P- |' |rt random 360* o& k; I2 N. V) X- ^
/ ^# n3 |/ v. f2 Ofd 1
! P$ K" g; U9 }
5 w5 j+ c, l4 ~- D]
: Q& u+ f" D4 T' o- h$ X v4 ^) p; K5 [: P, D7 M- G$ A% |
end2 d9 \$ K D3 m) N
4 l J h: {7 F
to do-trust # }# z( V7 X) V2 s0 R% }. h
set trust-ok False
/ E; S! y. Z" K8 ? O# d$ r
4 {3 m- R* s# G- ^: y
# a( g( l, B' J `# V6 }let max-trade-times 0
2 e+ P0 ?0 l4 L3 }) j5 `6 Hforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
8 B& U5 N+ x4 rlet max-trade-money 0 }/ h+ [ }3 _8 B5 y! {
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]! ?- F) X- V) S" N# z
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
7 c* @+ [2 A9 C3 D p, q/ N7 X9 [4 x* h, Y+ M# H" x! ^2 H7 H
+ w0 {: d$ W M
get-global-proportion
$ }; T" s2 X+ C0 y: l% w$ {let trust-value! q' Q" p6 H1 Q
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)5 i6 e ?4 l0 {+ v. ]. A
if(trust-value > trade-trust-value). q* ^. n& O6 Z, z+ z
[set trust-ok true]
/ v0 O+ g, Q3 A* Z; ? m9 send5 d3 e1 k0 r+ s/ k) V
, t1 b6 l, `5 i" J; N" X* D5 Y
to get-global-proportion
- T- D2 J9 v" c: k( t6 |# Cifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
7 s" O% b) H8 m; L( ~% B7 f6 i[set global-proportion 0]
' f: f4 }/ A" o6 |. F0 v[let i 04 O- F/ d# I" D+ a
let sum-money 0
5 k5 U7 Z1 B% P2 P, R: e. k7 J L+ Vwhile[ i < people]9 U; b C$ P# t/ @1 X! P
[ D+ M: ~7 y5 ^: ~
if( length (item i
; q8 q8 x$ K% Z B8 ][trade-record-all] of customer) > 3 )
' B( d' f0 k, B2 R l% g( a6 P6 o[6 h9 r% T. G/ ]' E" G9 }
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
9 K- L* [* S6 c]" D& E+ P5 h( b* o1 ^5 [) A: w6 q. h
]
- q. ^% U+ z0 E' K7 flet j 04 a8 N0 _% C2 Y; i, Z
let note 04 N) Y# Y: k3 k: s& h
while[ j < people]
( {& c) y, o8 q- V1 h[
! E6 o7 s" O1 e; a! w/ K D7 K: hif( length (item i3 n- n3 r+ t) H; j7 O
[trade-record-all] of customer) > 3 )
) }, c8 y' X' e$ w' l0 a5 S! o[
F" K; P Q7 k+ pifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
$ ~4 k, t% z" S: B[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
4 K' h5 Z$ W9 j[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
) F4 ]5 w+ m0 V5 t5 R( A; _- c8 e]" N1 m" i" y, |) C5 o: b
]! v3 n# P) a3 b4 D
set global-proportion note
9 M% Q/ \8 D* [/ W7 { p, Y* y7 g9 P]7 x% k1 _/ `: O+ ]2 m v) v- y2 \3 L) `
end1 t! H: B% e( |# a5 ~5 s( W" ]& |
% Q# B& i0 S3 s
to do-trade
8 J, m/ ? u9 x6 c% Z;;这个过程实际上是给双方作出评价的过程( U9 v ~" o, e0 j& E6 `
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价. ^( `' u0 Y/ S- j t8 R0 B) M
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
' p# [) E* w: |) t3 X/ H0 Fset trade-record-current lput(timer) trade-record-current
" n' x1 u1 \7 P2 J! A( w9 a;;评价时间
6 o2 F. B+ f4 i3 r7 ^+ `! xask myself [- L; u3 q9 i9 q7 B4 G
update-local-reputation
/ b: O- O# \ O6 r* r/ }set trade-record-current lput([local-reputation] of myself) trade-record-current
* s7 J5 W: w8 d7 d1 e+ o4 D) Q1 []
! q# n. s2 M* G& ~set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, G- W X& D9 H0 p6 z
;;将此次交易的记录加入到trade-record-one中
5 _! ]% D7 d% }( m( D# z1 ?set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself), c6 p0 ?8 Q% C: r: d9 }& D
let note (item 2 trade-record-current )
& A, ^3 h! J/ sset trade-record-current+ l) B% T+ a- D: @% D
(replace-item 2 trade-record-current (item 3 trade-record-current))
8 {( S9 u; E D& Sset trade-record-current
: [3 N" d# G) v* b# Z" x1 u3 P(replace-item 3 trade-record-current note)
# S" s+ Y; C2 E5 ]( a& A: r# e) _* `6 w( a" e/ r7 r+ ]- S+ z) H
; P" d6 [! L. k/ ?# b
ask customer [
( F) ~! W6 M4 a/ x( d# M1 Dupdate-local-reputation
1 W! ?/ }1 c2 c% u* v1 nset trade-record-current9 z: j2 Z3 _- S; F
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
. t6 |7 _4 D, h]
+ }% p5 p. D/ P% k& a' Y: `4 _9 K4 Q
$ o O4 R6 X) T4 n9 v! d$ O
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer: y9 N- U* w% v! b( ?
^9 a$ r2 ?# `/ w+ \set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 M7 V5 {" f- a# L) \8 P
;;将此次交易的记录加入到customer的trade-record-all中
" `* S& M |4 I. I; p3 J2 J9 N" Nend
4 h3 y; h2 D7 J* ~" R3 o/ X) F- b6 v; p3 S& J2 z
to update-local-reputation5 t# G* ~& r$ j) `
set [trade-record-one-len] of myself length [trade-record-one] of myself+ ~5 `7 U7 c# J+ r# U
, z* O8 V9 q. c9 M& K D( _$ K
; v4 P! r% C* o
;;if [trade-record-one-len] of myself > 3
5 C+ A4 `/ x& B! g) C- r8 Jupdate-neighbor-total
|8 B0 g; o& g/ X, ?1 a8 E& ^$ c;;更新邻居节点的数目,在此进行
- E- [4 D4 i0 z+ zlet i 3/ I' a2 [6 H' I& d+ L7 s
let sum-time 0# N( h) B5 i. Y- U; K
while[i < [trade-record-one-len] of myself]# \( K) y& i! U! u
[
- g4 O: K! \/ Z! Zset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
! V& U1 O& {' iset i
* \: e [ S& E8 Z( i + 1)
! l& C. h& m3 Q+ v' y]
* X, l; [# n- C6 M3 o) Glet j 3
9 p0 B4 o5 t; w4 Flet sum-money 01 F3 l! U8 {0 r8 W7 b1 ^
while[j < [trade-record-one-len] of myself]: [4 `: L4 Y X) P
[1 V# o$ F: G& i" N
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)* S; H( Q% u/ [" t3 u0 U5 a6 ^+ \
set j8 s9 y1 F1 F3 H) s( g
( j + 1)
! B; K6 c# s- N- F' j6 }3 o' \]) W: N0 C$ X9 k% f5 y, F( `7 v) K
let k 3/ M. v4 c) ?3 @
let power 0& L9 Y: z) x9 e+ ]% B- H+ m @
let local 0
# x0 M) z' B. F* [2 v- t% Q. v0 r) [while [k <[trade-record-one-len] of myself]. o4 U1 n' S! c; b
[
1 L2 O9 b. j5 Y0 O+ Z( 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)
/ A5 |0 q# Y0 P N7 U* Dset k (k + 1). s$ {' M5 B3 Q! N' m' B ^* J% h
]
' F' _4 ^" R3 l+ c) Y* o9 ^set [local-reputation] of myself (local)
% E" z" @' N3 t8 C& l4 |0 Bend
, y9 Q# H+ X4 v! g0 Z& T2 p2 O, @
to update-neighbor-total
6 P* J$ o, O7 r& X4 ?0 f% {" R% D+ k- T. l: {+ a2 j% c
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]1 e+ E# L8 {! A* u3 L N
: h! I1 e; G; i9 Q) m* n; i- J5 i) p3 q7 Z) a
end
3 b0 i- W- d2 ^ N7 X8 V+ e3 Q8 {& k2 L3 ^5 x" k6 g
to update-credibility-ijl
- d" H2 f, d! t; l7 [$ S7 g7 s J2 Y, M2 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。
5 r# K% {8 N c% e7 H, i/ `4 S/ ]let l 0/ R; r. @. q/ v6 V
while[ l < people ]# d) u8 N4 @+ {1 i* L, q1 t# J
;;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 O" \; b# ^9 F# @
[+ N& y) S. ~4 F& L3 Z, F
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)% e1 l' R( B$ J- o' T, P
if (trade-record-one-j-l-len > 3)
, \& i9 X! ]# n( q' N: Q[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* ~& ?3 d8 I7 k2 m- q6 P
let i 3
. o7 N6 |+ |7 o; `0 `! Clet sum-time 0
/ F& D6 r- ] ]7 dwhile[i < trade-record-one-len]: b, N( Q2 }) ^/ k
[
8 |3 D) d j# `set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
! U6 U# o6 C v$ K% R% zset i
0 e5 L/ A* V' `% x9 i( i + 1)
5 U- G3 q/ c; G]
9 x d$ {6 {7 \let credibility-i-j-l 0
2 N5 M( b, X6 D2 d& u;;i评价(j对jl的评价)
6 ~% J' f& \* f1 U( Ilet j 3
0 l4 z3 V6 {! t/ R/ {let k 40 E/ j8 Z) @, d, ~% {! k
while[j < trade-record-one-len]
7 n# ^& }. {4 g# ^4 H# w+ }4 L% b2 O[; N: {: E& Y# I# m5 l8 x
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
3 B9 {, t0 `# T6 x/ e2 |6 gset 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)# {* f# @! _! ^$ A9 z- k
set j% F- D; ]( x8 S E' e! h$ e j
( j + 1)" P; n/ s, M$ a+ V- [
]! |0 T' e8 s7 h$ r# N& ^* p W
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 )) D5 H# m9 o( J8 S5 d
/ s# R# }: ~, f" `; @# Y
) | z1 w, P! q- F
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))7 A: k5 b; q0 Y; o3 q8 L9 _' t8 W
;;及时更新i对l的评价质量的评价7 ^! o+ Y) v( k( k, M5 P7 O' h0 O
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
- o T. ~: u1 z3 s* n9 b& fset l (l + 1)
1 b! j2 S: U; W. D2 D! o$ b2 []0 R2 a8 ~$ W" G( L
end
% k, E2 e5 I5 I$ X. O0 m9 a' D) i2 `, G! U$ j
to update-credibility-list, ^" x. t8 D) [8 I
let i 09 e& m; Y7 S, J! x' Y- P0 A9 y9 u0 W
while[i < people]7 f# c! Z, ?3 l1 I$ p' U/ B
[( m5 ]. v, s5 G. w: A
let j 05 l8 O( o6 v4 I' J8 J0 x3 {
let note 0" ^# v- h, L+ l5 S9 h' j6 f
let k 0
: S5 a3 Y) A! m$ u- ~;;计作出过评价的邻居节点的数目9 d) W* @- \) O
while[j < people]/ y, W. o( q" T$ I3 s
[
. S$ k0 u5 o& u- Iif (item j( [credibility] of turtle (i + 1)) != -1)6 t- Q* T; A3 g5 Q( i! z
;;判断是否给本turtle的评价质量做出过评价的节点" I- |, }2 K& I. {
[set note (note + item j ([credibility]of turtle (i + 1)))
7 O) o! F5 ^, l3 X;;*(exp (-(people - 2)))/(people - 2))]! P$ J2 b+ Q9 N5 F* I5 S5 q
set k (k + 1)
+ L9 k% b2 W0 f% S+ J8 i]
) j; P( y0 |. ~2 n* @" b! cset j (j + 1)
# b: y& v6 n3 G]
. H/ J: |5 f/ [( b$ k Rset note (note *(exp (- (1 / k)))/ k)1 J, _: `% t6 I# E
set credibility-list (replace-item i credibility-list note). f! i0 P- v1 C" Y
set i (i + 1)
+ h: Z; D. j7 v1 o* \0 S+ q]
1 R9 S3 V5 r+ d, X! P6 c4 oend
6 o$ F7 [. P( s ?: x1 |: W8 E" M: O
0 B* s' f# A- m* r% [; Jto update-global-reputation-list, ` G8 f! j, x$ f* @" g3 j
let j 06 _" B) m2 c9 C6 | w' P4 B
while[j < people]
' V, f1 n3 B; A[$ k1 p {( M) M ?/ v3 a3 M
let new 0
. t* @/ p. \2 [; T+ S" t% y9 V. W& F;;暂存新的一个全局声誉
5 F. ^8 H. f! m! s( k' t0 [let i 0
! M# M" q% d& K' S4 Olet sum-money 0+ q M% D X. V$ E3 S* d0 T$ p, \) m
let credibility-money 0
7 O* K6 v, E. T6 h* }* gwhile [i < people]" f# ?$ F+ I+ r x3 {, q
[
, D9 N* ^0 D1 K# E* ]7 L! ^set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
w4 q2 ?% w6 C. p/ Iset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
% F& V0 d4 S% U5 Q! aset i (i + 1)
6 w5 y% k9 K* b' z: e]
2 f+ x8 M9 m* S% J* Slet k 0/ Z$ c9 D% Q1 u8 [
let new1 0
/ G! R G: v, I3 K: fwhile [k < people]+ A! C# g5 ?4 t6 D2 b3 ^
[
! X0 Q) T! i/ [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)
& }0 z, |4 p4 y: ]4 O0 u, Q' ^set k (k + 1)
0 z# f; @$ C2 R& c]
6 Z) ?0 N7 ] _! X' Jset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
% D4 a% s5 B2 }# Y, J( P8 e8 r4 Kset global-reputation-list (replace-item j global-reputation-list new)1 K- S$ o+ M, j
set j (j + 1)
0 ]- e9 r, h& S, b' u6 ?/ `]
, {4 a+ q+ b, d$ @" @0 U# qend
$ q, g1 c r: ]3 C* _. Y8 j6 w$ J" Y& U; r& y
) R, f0 U( p: Q( s) m
* U4 x' r+ U3 n4 X+ M( i# U
to get-color
5 `. @+ v8 |0 b9 K4 z9 ?% p' Y% K1 H- }1 a/ S
set color blue
1 D3 @1 g2 F0 K4 [4 Xend: g7 b) h: w: K
" n' K( K* l+ p% G3 h3 ` e
to poll-class5 O8 E" Y# [1 q7 d5 w
end
6 O! n/ O X! W5 z, P
, a6 a& e, r$ o# \$ p5 Jto setup-plot13 ?+ l) T7 V: T
% b J" C; K7 \& c3 N7 k' C7 @set-current-plot "Trends-of-Local-reputation"
, M3 u: ~1 X; y2 W6 e, K
2 f3 B' x+ b# d1 K1 H' Lset-plot-x-range 0 xmax
- y" v* b0 U" O2 e" b% }; T) R$ J! |3 K( {
set-plot-y-range 0.0 ymax
- f- c/ K$ t* {' i( N8 T* Y5 Yend$ ~0 N D! c1 p0 I
- r- V( q2 u( e/ r% _to setup-plot2
% z9 g6 n0 |! [5 H* D* [/ X2 B% G D% ~2 A9 J, a, E
set-current-plot "Trends-of-global-reputation" h+ h6 g- @5 x( s
1 z# V5 B8 k1 V6 a/ Y: K% U
set-plot-x-range 0 xmax
) w6 B4 u# P3 U& p
8 s1 _! x q1 ?! [. Z8 tset-plot-y-range 0.0 ymax- @; Q( x2 A9 c- T5 v
end
. S9 x1 x( ?% ?5 t0 `
K% M8 ?" v$ U% u' D: o# cto setup-plot33 u- ^( N$ [& q7 _
; K5 D3 ]3 @4 |4 L6 n2 Q8 r6 ^& ^
set-current-plot "Trends-of-credibility". `0 b8 O- ?' V4 A1 D j' Z
6 C$ e- L9 Q4 D9 b4 w3 K6 z2 ~set-plot-x-range 0 xmax
2 S% D* j* g- {. u9 t
, B Q Y. K) J& P& [' Z# ]set-plot-y-range 0.0 ymax
* G( V% ~" ]: s I: T' ]9 O* Lend9 p- |/ a4 i8 o! E2 X- L
/ n$ g& @* B7 a% Q+ |3 L! Pto do-plots
! t/ D+ ]* I( |2 n! {5 f' H7 bset-current-plot "Trends-of-Local-reputation") B, ^" w0 {" y" g
set-current-plot-pen "Honest service"
# x9 w/ f. T1 [1 M) E5 Gend) x4 E9 c$ u; n% k$ W! s
7 \0 _! Z! w. g. P. I1 S+ R[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|