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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
/ }3 V9 h9 e$ @; S2 `4 C4 L1 }globals[" @9 \) f! m/ v; o$ ~) M
xmax
! O9 ^4 n4 |8 {ymax
( b7 W$ ]+ m% H r aglobal-reputation-list
/ U4 h7 l+ @' x& W7 q0 x+ a
" G1 S$ Q. j1 g;;每一个turtle的全局声誉都存在此LIST中
& S) q0 q8 p9 v2 n( n/ ~credibility-list
- L2 g1 ~4 O- a: H;;每一个turtle的评价可信度
$ D1 T5 F1 ]" C- Z# E: Q/ ?) k3 xhonest-service
/ c% ]7 }% ?' y/ l) \/ l6 munhonest-service$ n$ `5 O0 {& p$ w. N! X
oscillation
4 ]. }, _# l- `& ^4 grand-dynamic* s2 _( }' p6 G4 {7 @$ | h: }
]/ W+ f! o5 X8 @% P
, X# D* |) c4 x( aturtles-own[# N- ?# ?; V& ?! B: ^% K
trade-record-all
4 V) l3 y$ O: V1 B6 c;;a list of lists,由trade-record-one组成
L P' X4 _3 |; ctrade-record-one" b6 J+ w3 Y! u1 w$ c
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录3 P7 ^4 w4 s+ V6 U1 e
7 a* a, z' [) |* T;;[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]]3 n; U) j6 I- ^$ A1 f9 d1 W
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]
- q4 C+ H; t4 U8 w% X% Y5 }* p0 bcredibility-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list7 X& o5 b! u5 |7 G
neighbor-total
4 \7 W) w" O( c D" {7 i;;记录该turtle的邻居节点的数目
1 E3 V! ]9 D" @, @$ Q' z4 S) ]% Utrade-time
7 j" m; [! W0 v B;;当前发生交易的turtle的交易时间8 U' F. W/ f" [7 \; \# `5 j! |
appraise-give
3 [+ J: y) v# p;;当前发生交易时给出的评价
. l: |6 K# e! ?7 s" K+ _. gappraise-receive' F; V/ M. \! k! D* m
;;当前发生交易时收到的评价
; ]) b# n4 q# \appraise-time
/ D$ ^$ c% g, k# ^$ [;;当前发生交易时的评价时间. Q9 g+ i. s+ z0 k
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
+ }( t1 j4 E" k! S! p$ Y: M/ ntrade-times-total4 F6 E1 ^6 p* L& u! Y
;;与当前turtle的交易总次数
; l% s% j( X1 }6 ltrade-money-total
4 z6 P& N* V/ @, t. };;与当前turtle的交易总金额
# r& K& V1 h( X6 slocal-reputation
0 @4 @- A5 `: Bglobal-reputation
/ ?4 |9 }5 B7 L, n# scredibility
" `# Q$ r3 k( V7 U1 ?# p* v- E;;评价可信度,每次交易后都需要更新
& e: X/ | b' J5 Lcredibility-all$ `4 f! C( b9 E1 ]
;;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8 J& f1 s3 W: Z! ~9 J1 y
; `! t3 e9 ~6 q;;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 u/ [; e l+ b- W& V2 M3 {credibility-one
! L1 ~7 @1 ~) h) _) k7 R4 C9 s;;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# Z4 l( i/ @# R* o
global-proportion
& U: n, j7 o& ^9 P# Zcustomer
) L% t- ^* c3 C k9 W9 ucustomer-no! Q4 E4 s9 {; ~1 b. K3 _* O
trust-ok- G2 f2 J4 |5 p, K* x# x4 x
trade-record-one-len;;trade-record-one的长度4 {) o' h4 |! i) B+ w0 d* z, M
]
6 \( _7 r4 R l7 `/ O+ z+ s# t- }
;;setup procedure
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/ U8 v" ^- a: c; z# o" b( W2 O; yto setup/ p; X( Q, v v8 B8 D5 a! ?
& ^- B( s1 G+ s$ A' G9 d
ca. K( x4 R$ l1 C& x: x9 Y! [
* m! Y& \6 d: e* Sinitialize-settings
7 N9 F: n O* P ?+ @7 B4 b& V& s* [0 o% Z% O; \: ]" _# g" q: u5 C6 r
crt people [setup-turtles]; E7 D9 k; }( V `1 j
; u0 G( }1 ^6 ?
reset-timer0 Y( ~2 g! _' ^; g" @; z% t: \
* r1 C* ]5 p6 ~. V: [ O3 E
poll-class
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setup-plots
. n# w. v' C" N# L; v% c3 F3 _3 R: t; m! m0 {
do-plots
6 w3 @- R0 @# X% A5 I; xend5 s0 [: D8 \6 i' ^. r |8 g
. S7 o8 ]( T' D3 s; r
to initialize-settings" s6 G( ^( j h
7 s8 u: |* G3 e/ v/ N) C; f( Mset global-reputation-list []
& ?* P5 P- c; k) Y5 i2 Q: U
, l: A U8 }. |) C* g6 t- S8 Y; @set credibility-list n-values people [0.5]
9 K3 G- i: P+ T9 O# P3 Q r
3 P2 w$ U c& h7 @" o. uset honest-service 0
0 K0 w! y) @0 e3 |) `3 P) ^ G% v/ S+ s
set unhonest-service 0# p& o( f0 [( S, A& Q1 j
1 v. A4 S8 S# o- ~- H
set oscillation 0
# O# S( y2 j) @. i1 Y- I$ ^, H
8 t; C% S+ E" R' \. F" X! Z. T: Mset rand-dynamic 0
; ^1 P! h+ P$ b' cend1 L0 c6 ~2 z/ P/ h n
( A/ }+ ^' L8 F9 {to setup-turtles 8 |1 Y. L/ Q5 ^( Q4 t4 _3 i% z4 t
set shape "person"
. }' ]- Q5 Y- I' ~- \setxy random-xcor random-ycor( p# I0 a4 Q4 Q, c6 m* b
set trade-record-one []
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set trade-record-all n-values people [(list (? + 1) 0 0)] + z% ], v0 i ?$ q* y/ H2 v
, `: p, Z( `5 Xset trade-record-current []. p6 ?2 r0 v! @5 r% c: [& O5 ~
set credibility-receive []5 @9 H6 E" O o8 Y) x& Q$ l
set local-reputation 0.54 b! R, ~- m- `6 _* l! B* R, P/ h
set neighbor-total 0+ p: F6 u9 A* E9 c$ s( f0 O3 |
set trade-times-total 05 A4 `5 o) y# _
set trade-money-total 0# Z& d' A8 |& b4 I% F6 |
set customer nobody
/ f8 Y/ O- }; q2 j3 Rset credibility-all n-values people [creat-credibility]
/ u0 p8 a5 v/ E, L Bset credibility n-values people [-1]
1 x C3 N4 Y1 u+ R( X& lget-color1 v2 G! h& J) @8 G y0 y) Y* H
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end
8 O% F1 d3 ?( {. I9 v' L/ A8 D/ i" q$ \9 [* j( I5 V: q
to-report creat-credibility
* ]+ ~+ v1 Q) G, Y+ r7 x! B5 Sreport n-values people [0.5]
, p& X+ y+ v n" Hend5 @1 E# a% [9 l2 |
2 ?7 \3 j$ }- y# b1 b) {+ Zto setup-plots
& @. u) J9 w4 V. ~) c& U3 Q* @6 |
" T, w+ O/ M4 m% o# Eset xmax 306 O. I3 e n( e- t1 R
0 E! @8 A0 y0 G8 f8 {
set ymax 1.0
# M+ L4 g, V8 [ g X ^
3 h; m( [/ X$ ?& `) ?clear-all-plots
6 E- z5 Z( |7 L8 {% w% S+ S$ t
5 h) l! y6 |+ s9 v% ]4 Fsetup-plot1
0 b! ^: h# K3 A/ y: M8 |% z
' _7 _: U9 `( D. G5 Z5 Z7 W% Qsetup-plot2
$ p; E8 T4 ~6 i. _) U* L7 r5 D) l( R
% ^: b0 i% R' @8 Gsetup-plot3; \8 d( m A& z% V
end% L4 ~: _; S" p7 \. K* B" Z9 [6 X
8 d6 B* C& f" b" x/ ^! S;;run time procedures
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) i6 {: [, [' s3 Rto go( }6 w2 F' D0 T% l7 D
2 m" O3 _+ D5 O9 z7 b2 ~ask turtles [do-business]" f) F/ W8 y* S6 @
end* ~% l/ g, f, H+ |+ Q7 `# i
$ y: u3 c1 F' ~! c2 r2 F6 L
to do-business - a- d) d7 \, R0 [ |' L
( L8 G& {, d0 q6 i$ k7 Q
' ]; }, ]; k" F; {rt random 3602 E# d( o* M# r7 {9 C& M* c0 l
4 }4 k1 }+ o8 M5 e) O" L7 zfd 1% R! P1 C1 V( V; y, |7 a, _, [
* ^" z; r2 f, [% gifelse(other turtles-here != nobody)[
; e X# Z, [* A* q* U( C* H2 c( L: T0 K2 r1 ~
set customer one-of other turtles-here
8 [8 {* i! Q' w$ A3 i/ L* v
! z: r% Y% n4 {+ B' L;; set [customer] of customer myself
; q2 J2 ~) u5 E: W$ I
& F! |0 j/ B3 S( K- `% f, Gset [trade-record-one] of self item (([who] of customer) - 1)# H- E: ? G2 T5 R1 R& g# ?
[trade-record-all]of self+ w) s" ^6 w4 R( h, R. c' _5 u
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
- ~) O @ J7 x& s/ c6 m4 n- K/ C) P7 ?4 a
set [trade-record-one] of customer item (([who] of self) - 1)3 N+ y9 O$ Q! ^
[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self
2 I' W2 }4 \% o3 {' h& V7 [% M9 i5 }) G6 D# q0 f3 [
set trade-record-current( list (timer) (random money-upper-limit))$ H. N7 G6 @% g- \. Y5 l' K- X! L
2 k+ `! l/ s& G9 ^ask self [do-trust]
3 D% N% g8 @# x1 |8 L3 j& ?;;先求i对j的信任度
2 D0 Z' m. V% H7 {; V2 [* \! s( A; t4 S+ w. q' t
if ([trust-ok] of self)4 `3 R' s' V( q, p. X
;;根据i对j的信任度来决定是否与j进行交易[
# o$ ]4 ?! R+ E1 f0 B/ ^$ uask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself2 K- {# G4 g& F
! P' V, D6 R7 f# j& J. \& m9 n[
6 {! ^5 O7 Z' o# r
) r7 X6 q. ~4 d, @- \0 bdo-trade
/ |' A8 q# g, h4 F3 ]8 d& Q! r$ I/ Z
update-credibility-ijl
6 S6 h( I3 k( R) o& i' V8 ?# E+ D# X3 x# O7 R- i
update-credibility-list
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% g1 F. R; s/ O! X
% M M S3 ^7 w. [+ v% n1 k# kupdate-global-reputation-list
3 P* N. L% |& i0 m l3 t( j( N
poll-class
2 ~3 v6 o' [% a! C0 ^* d/ i _" P/ l: J% v( G# e! A @$ o9 m {
get-color4 n/ Y8 B, }' {
" K. I3 H( r& ~, F]]
2 p8 o/ c. u* D8 N8 M& b0 F C
% S2 }# C! V3 c: E: }. j& S$ O% m;;如果所得的信任度满足条件,则进行交易
1 H- c3 N- K7 ?% o( X, F) H% L1 F/ h3 d' R
[0 N- K& E. `; W) ?2 N0 _
) R7 n5 J& o+ L' @- O* j9 Prt random 360
& `8 k3 j8 x. d+ s! E, F' e; y& l% m. n) c& l1 S+ l
fd 11 C$ ]# x+ F+ q' n. c; r
" Y T5 z n9 K9 v
]
) I z" W+ s a! B( i) z, l
( Q; v* L9 a" h+ eend
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" d* y( _4 P5 K. w8 T, \to do-trust 8 c8 C, y: B- U/ A/ o; @* p& V
set trust-ok False
/ q% R3 n( g9 f3 W( D- W. g) }; v) F1 |
1 I2 R2 w8 q+ o& a" \let max-trade-times 0$ s0 W7 b' N( k! M( x; G
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
5 [, V& L$ E6 n' B8 N' K1 v" ilet max-trade-money 03 x" s8 O2 a& u9 q
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]$ Z1 ^% X0 ?. a
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)); j' B Y E) I7 d5 L& Z# Z- p1 v
8 a3 a8 d& f) V- F! H Q2 u
" l+ R' T" V* k0 r# qget-global-proportion
+ N6 R! q1 u: s' _4 K+ wlet trust-value- a2 G0 q" c$ g8 C8 g; g
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)
! [; `3 X- l$ X% ?if(trust-value > trade-trust-value)) k3 I; I7 o3 T7 h0 {
[set trust-ok true]
, N! I3 g1 o' j/ Q/ j: K' I8 pend! E- f3 @0 y( o( H$ ^9 L' _
. q% U* z- x8 u4 @7 Z8 ~1 R
to get-global-proportion7 G1 p1 d1 R" g& [
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
5 ?# @3 T. }3 `2 w7 D[set global-proportion 0]& R' z: U/ S! S6 B6 ~5 w! S
[let i 0
5 `) E' ]4 `0 k- ^& W* Elet sum-money 0 E( |. p a3 D; z5 k
while[ i < people]
8 D/ e9 ]6 M8 {1 `; m" t% C[
, p/ P8 x, [* C" A, _# xif( length (item i, }5 v5 s$ }6 I0 J1 g/ o! P- S
[trade-record-all] of customer) > 3 )
- r/ ^* @! M, c, s" v& i[) u$ W0 o/ s X9 i1 Q
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))6 h, T9 N) d6 Y- p$ l
]
0 \+ L t0 |* [. L]& E! {8 h, A0 Y& @3 m
let j 0; l" I8 F5 M/ l& _
let note 0
# z7 j% f- R3 ~while[ j < people]! W' J3 T# h* q, O7 x
[
3 }1 C8 y8 L, ~if( length (item i: `6 ]6 U1 j* B- ~) e: \
[trade-record-all] of customer) > 3 )6 j3 S/ q6 c$ z: l, @
[3 o' g+ I1 S- E; l4 D' X. I
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)1 v3 v, z3 \* m( g
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
, ]3 o$ e$ w# K! h[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
/ n7 H) h% h. ] l/ `8 t: R]
- D4 N. x" S8 n) V], d1 L9 l& {4 C3 U* c) d
set global-proportion note& b: V J8 R, l& ~# Y) a
]; q+ N, A+ r ]7 w) E3 M5 m
end) m+ j2 }+ r! w) Q0 R6 f! C6 x
0 R9 \5 J# f# t' \2 M7 s; L) pto do-trade* i j4 S3 F9 `) u/ y' K
;;这个过程实际上是给双方作出评价的过程
$ r" a! e9 m4 R! `4 v& `6 \2 Zset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价% c. D& w5 U3 J( a5 C; u
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价6 _/ m) ^; G& I, {- A
set trade-record-current lput(timer) trade-record-current# _3 J; `1 ?: n! ]# T
;;评价时间/ x6 q/ A2 x. Y) r
ask myself [
" l/ C1 t) n$ S r$ rupdate-local-reputation
3 o+ r! h+ d" Q# tset trade-record-current lput([local-reputation] of myself) trade-record-current; I' P, O: @! p
]3 C/ H7 n; d) E5 y
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 A; y5 A0 P( e* H+ {" T;;将此次交易的记录加入到trade-record-one中
* f2 x2 G/ j7 B" {, d9 Dset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself). m. e5 L" X5 u- ]$ |# N; U
let note (item 2 trade-record-current )1 c9 T4 t# d: u% L
set trade-record-current
6 c' \' Z( E2 n, ^, ]6 ](replace-item 2 trade-record-current (item 3 trade-record-current))! H, u0 j8 F% I+ S; V; W
set trade-record-current
: @; p5 X, W- x2 e9 J/ U7 j(replace-item 3 trade-record-current note)
; `% u4 H2 H5 K( l& z" ?$ l0 H% G( U
- T6 o: X* T4 T1 Rask customer [, T: `8 w9 |3 n$ }; k
update-local-reputation
9 u E! n) N$ E4 h/ ^set trade-record-current% J( k+ y" w& {* D/ `
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
3 f1 w# I6 T) C5 k! p9 w: m" W! f]
% N- j* w t2 {, V; F6 Z4 \
* a, k! U# O& J1 a. E8 s6 P; |1 U( J; |) h1 s
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
$ s% U# ~! [$ h: r* T
, U/ w; @( }+ W, M. M, A3 V5 H, Oset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))+ @- ~" ~, w# i( ]0 I g" v
;;将此次交易的记录加入到customer的trade-record-all中( m) q, r! R& r0 ? H
end) V* `; z1 F" x p4 T* x r3 ~
3 s; [& G# M9 [2 o
to update-local-reputation4 h5 P( L; |6 K1 [2 }3 e
set [trade-record-one-len] of myself length [trade-record-one] of myself6 ~! G1 `3 B ?9 ?" u3 Z# P0 R3 \
* m! y; C! @6 @
/ p, |& H% Z" O' _& ];;if [trade-record-one-len] of myself > 3 ) I- _3 R9 c" m. A8 D
update-neighbor-total) l6 }0 o6 S- L
;;更新邻居节点的数目,在此进行
# G4 A2 X4 |. }0 N: C R2 }9 tlet i 3$ q8 t j. ?1 E E' _# y8 R
let sum-time 0
7 F" k, Z2 h) V0 {while[i < [trade-record-one-len] of myself]+ | _5 k7 a/ L* u& R
[# N& k- Q$ X, q) c* @2 A# P: A
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
4 E' S/ u; e# a- \, K5 cset i
; E' p3 i: O" i" l6 K: ~; K, v2 C( i + 1)
8 P9 ?* Y. G2 D" y]; c/ ]' S# u9 {, O/ N% g0 E+ u, r
let j 39 L) l. t6 w3 k+ c: p8 b
let sum-money 03 p; U4 G! F3 f: W
while[j < [trade-record-one-len] of myself]7 X4 r) [5 k q9 Q& A5 H$ r
[
/ t- [ k+ E! I0 B3 M" |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)
* V- r; }0 }' ?& v4 Nset j/ t+ C7 r5 X% f- ~8 C# J: i
( j + 1)
7 S* u& u2 \! u( E `* Y. I/ d]; J$ @+ Q7 R _
let k 3
0 L5 @% Z; w! G3 t# Olet power 09 c0 x& I7 S& K$ J& M2 i9 M8 t$ ]- d" c
let local 0
6 E& Y! b& h* [; [# v6 G: Kwhile [k <[trade-record-one-len] of myself]
A! g/ E4 P4 h, B& ^% x[3 w+ ^7 r8 m/ x+ E- r n1 [ x
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) / f. @ D+ b/ |) Q' V
set k (k + 1)1 x x- q9 r5 o v
]
2 L7 ]$ t8 z; W. F5 Zset [local-reputation] of myself (local)
! b) {$ @% P8 Q' E7 ~) }end- l6 Q7 R' k% G! _5 r G
3 V; O$ R$ V, R! o( r7 m
to update-neighbor-total+ o! ~/ T( H0 Y4 O5 L6 Q
# S- X2 N1 y1 `: _) kif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
8 X( B8 ?& F" y2 C9 Z0 v9 z. ]
0 ]) @1 A7 @) n! [! K4 } T% s1 t4 e( u0 {% t( l2 i
end
$ p. O/ Y& H8 ^8 L& W3 n5 r
* s( `* [0 k/ x* R- ^to update-credibility-ijl
5 b0 E4 q* ?# l/ `# Q) ]+ G- A3 C+ |4 V) L% ^$ E9 D, z" r
;;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。
6 ~5 i* {1 p) C; u6 [let l 0
Q, \; @+ R# q6 r! Q4 Dwhile[ l < people ]. d1 f9 L% J) D5 Q3 p. h
;;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
, B+ i) d2 c0 X# @[$ ~* O; `; N8 l4 h8 V
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)1 k0 _+ `! O! L7 N3 L. A
if (trade-record-one-j-l-len > 3)7 r) w' f$ c2 P6 U5 e
[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) m0 K5 C k; F# n- \
let i 3
( K2 [3 A5 U8 n# Elet sum-time 0
/ P }6 Y3 f" N- a3 Y2 }5 U# \# xwhile[i < trade-record-one-len]
' i' D8 L" h, k/ x( j[
8 k2 i: f2 T; q3 f/ E5 m4 Z) H8 eset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
0 {7 W9 P+ W q- e# z( G/ nset i* J0 a7 a5 \- t2 b( E
( i + 1), _# e( x$ z: D$ B k! g6 {4 R
]
E, e5 G" h3 g6 ?: t9 slet credibility-i-j-l 0# t( z+ N$ d2 F. I
;;i评价(j对jl的评价)
+ X9 k; o$ }5 W' ?# Z: x3 {- }' \let j 3
# {/ O5 q- W0 U/ I, F( g9 Mlet k 4! o1 k. p* }% `( G5 t7 g0 U( B
while[j < trade-record-one-len]' l% v( c1 g3 L' o: f" d+ q5 }
[
- R* |# {( b4 e% o8 Gwhile [((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 l' L; J4 r/ M( T5 N2 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)
7 Y' H. I* K- t) A l: z; l/ ]set j% Y# ~$ f( K6 G3 m3 v+ M
( j + 1)
# Y4 v9 B1 {# U$ l) B2 e]
+ y. C) u" p& D$ q! U4 ?0 }. H* Wset [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 ))) v3 d6 ?7 U5 P; L
8 Z/ J9 v: d4 N6 T
! c' M6 |% m0 y; ^$ w) Y& C
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
. V8 I! x* V& N9 E) m7 k' p;;及时更新i对l的评价质量的评价
% T7 G d% \, a9 s0 f; ]. y0 qset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]' a/ g4 @# B' X7 f5 O7 Y* ~ m
set l (l + 1)4 V# C/ e' Y) |) _ W, C
]
" c6 R' x& W7 b6 n) M" ?/ d4 n0 x$ dend6 M" y! i! Q/ N8 s4 t4 x
" R' y) F, x I5 P( [8 Z2 P" @to update-credibility-list
8 L2 ]9 z- S3 i2 Y( C8 slet i 0- `' m$ F/ a8 V. E8 H0 r( Y
while[i < people]$ w% m8 z! G( S: }- F7 _9 w" Q) h
[% Q( g, p$ g# r' a/ P2 j
let j 06 L) B/ f# e2 D* [: E
let note 09 T$ _/ P, N% R5 v$ U7 M% x; X+ Y
let k 0( `6 y0 i' F4 S
;;计作出过评价的邻居节点的数目
* J; j. h9 A& g, Z+ Fwhile[j < people]
8 {- P4 R8 F' |[
; `! g# A. m9 R& ` rif (item j( [credibility] of turtle (i + 1)) != -1)
) s( T2 O* V2 A* ~; i' e5 \3 }( A;;判断是否给本turtle的评价质量做出过评价的节点
/ ]: M& d& G/ `8 S[set note (note + item j ([credibility]of turtle (i + 1)))2 J3 Z- p- E( V: u+ V+ ~
;;*(exp (-(people - 2)))/(people - 2))]* F9 w J! ? a( _$ j) ~- d
set k (k + 1): @( z! a/ j s7 L( [" N/ _
]
0 ]* c: S7 S0 e$ W. i, \2 b% R+ cset j (j + 1)4 H$ h$ ]/ T4 \+ b& g! R( j1 y, t
]
8 g$ g1 b, Q: ]' Y) R& Mset note (note *(exp (- (1 / k)))/ k)
) K" G4 G9 \; F3 Q: n* \2 Zset credibility-list (replace-item i credibility-list note)) [8 `/ a' _$ ~2 L! {7 s, q
set i (i + 1)6 k+ a4 \) A& Y& v# P; b
]
3 U% T8 ~' A1 H2 R4 L+ w5 @end
' P" U9 m1 j9 {, R3 ~* A% G# B* K7 g7 D/ I
to update-global-reputation-list
F3 G7 y" z# D. llet j 0
% r- S' g9 h. ^+ Gwhile[j < people]
3 g9 X' ^0 I0 N3 B[1 Y' z' x7 q6 y5 z+ T/ Y3 }
let new 0
, K! c% y, F/ F;;暂存新的一个全局声誉3 b6 o; d8 T+ ~9 }2 o- a
let i 0
! `/ q# ?. z! W! tlet sum-money 0
: E8 a7 W( S# Glet credibility-money 0
" v" s( i W$ w5 k. Mwhile [i < people]
. m- p! W4 u; v3 e1 g% D- J: K0 V[
& M- n5 ^# O5 j2 H9 W t* K5 D! nset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))); k1 i; ?" z, S, \1 Y6 M# O: H
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
: G- H" f/ B9 q, m, o: wset i (i + 1)6 }% P9 ~) ^7 o" Q( P
]
3 ^" y& _( U" ?; ]let k 0
$ c' G; M0 u; Alet new1 0
: ?9 g! e: V+ b. Y; |* Fwhile [k < people]* m+ i4 X0 _# l: l3 b4 c1 J8 a
[* p6 X+ K8 \# F% ~! T
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)9 ?# ~/ o1 q/ q9 A
set k (k + 1)
8 a7 W' h* f9 @5 T' W' s3 z]
8 t! B8 R9 [) P' J5 C% e, Xset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 0 Z5 z* Q" K' C" Z: Y) e* A8 x( x
set global-reputation-list (replace-item j global-reputation-list new)
* T: ]( d R3 h0 u# r: P' |set j (j + 1)
; s6 C/ ]& ^! f; t]
6 ]' \" }! C0 l: H7 eend' H" l7 t- e Q; f. X& N
9 L7 R; l0 A+ U; [; d" e5 z
# u+ n& F' }# B9 H# ^
" `; k% G r: f' mto get-color
6 h' R- G, t& L2 K# V3 G4 v7 X- {
& A I2 a# M" W. \1 yset color blue
$ Q3 Q P: G# Y( n( O) Q6 E* |end9 }; \- H1 F v. u j
4 ^' h: A1 J" _7 }
to poll-class" P. L: c6 G x: T
end$ N* _6 a2 o/ B
9 w8 H0 K7 e( b3 I: S: I# zto setup-plot1
1 L9 J6 ~1 v9 F+ Q3 u
8 h8 o$ r( R& K4 B1 H4 y- `set-current-plot "Trends-of-Local-reputation"1 E5 g2 R( g4 {% r+ D! [
0 G. u" x& m; J5 V4 Eset-plot-x-range 0 xmax$ V6 z$ J. a6 R" `5 K4 Q' I
% R8 b3 c/ d3 n$ u! U: } xset-plot-y-range 0.0 ymax( q( Q4 {; W& S
end0 W, n }' T+ x7 R2 m
9 N: s! ]7 W# Y* Gto setup-plot2. p: J! y! j3 J% W
# z4 F9 g4 z! p& b" j" r, \
set-current-plot "Trends-of-global-reputation"! P% B5 V+ p$ {, {4 ^/ r0 ], u
9 {1 G6 e% @% |0 F+ T. Z+ g
set-plot-x-range 0 xmax
0 O4 e' \: O7 }3 J
2 H( ]8 d0 r' v& r3 S; E# xset-plot-y-range 0.0 ymax5 c) c6 ^+ ?( J u @
end
% s' C4 D( m8 @2 @' L T
( Z) e( p- c: N, L% xto setup-plot3
4 G1 n- T% r, v" V
- u z: k" ~! y1 z) Hset-current-plot "Trends-of-credibility"# d+ D; f! E! }3 k2 M3 s+ O
$ u4 ~6 E* {- j) P4 Y- L& e/ N# |" y4 qset-plot-x-range 0 xmax* x* n) B! }7 q2 I! n$ d7 w) e
7 i9 R" H& r! @; X3 b, |set-plot-y-range 0.0 ymax
' C o4 G) v9 u+ j7 Fend
' D* j7 F' |2 H0 D7 A
* t' _; [* s$ ]2 v$ A+ h& vto do-plots
" k, ^8 i6 l4 J9 w& H. l) `; Mset-current-plot "Trends-of-Local-reputation"
4 u* O x' A. L9 y6 Q( aset-current-plot-pen "Honest service"& q% b* a. o+ I9 H5 G& I# o( t: B, B
end
2 d: H8 B' Q/ e
" T. C7 n4 `* `. w4 R' ~" ?% _" r" ?[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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