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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 }9 J) O" O+ \0 ~; ]7 ]% t
globals[% b9 u; O7 x! s+ U$ n3 e7 f( e
xmax$ B8 k$ `7 W% Y) l' Q
ymax
7 k9 J* D* q L; _global-reputation-list$ O# m) z! d4 z; ?3 d$ `; l D6 R
# j# @1 n$ q) k2 Q
;;每一个turtle的全局声誉都存在此LIST中
. P" X2 y, [( U. _* }credibility-list
) w3 V0 F2 m1 L' |( U8 N;;每一个turtle的评价可信度
% s U% A* k: x0 I P- ihonest-service
! F3 m/ m! W: Y1 A9 v3 punhonest-service
! g1 J3 W( v, I! m4 V$ moscillation, a& I7 ]( ?. Y. F3 `6 s
rand-dynamic% y2 R. N" H5 [7 p* F
]6 P3 y# C4 K# G- {
3 E( O" j# e8 E8 ~2 Aturtles-own[8 O0 ]% |' p7 ` D5 b4 M
trade-record-all
/ k, C: U- Y+ J! l; _+ M+ v;;a list of lists,由trade-record-one组成
# u. n( ]- u8 ~9 K7 wtrade-record-one( R) q% b4 ?( Z; s" a4 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7 C r3 T8 }& o) v0 [$ S4 d
& v8 F. q9 `; q+ m
;;[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]]2 m- R/ t) e1 K: _/ E8 `5 f
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]
& O! s% h/ s$ Lcredibility-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
7 k9 @6 {& T$ i/ |0 a) s3 Jneighbor-total/ }5 g+ Q* `, q8 Q0 ]4 K1 @! t
;;记录该turtle的邻居节点的数目4 L' {) @* K/ r
trade-time
* E3 q! {& T+ X z+ |;;当前发生交易的turtle的交易时间5 ~/ Q$ m! n Z) f: X9 p
appraise-give7 b4 {! P; u" M7 b' x( Q/ b5 X
;;当前发生交易时给出的评价
1 S4 @# { I2 ? wappraise-receive
/ z5 c, z6 i, Q" k# X;;当前发生交易时收到的评价
- P3 W& n: q/ kappraise-time
0 x3 x4 ?/ W5 E# d( Z- S3 W;;当前发生交易时的评价时间
/ f0 r+ x# u3 c& J: v& a3 F0 n: ulocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
9 Y1 n& D: r; {: V2 Ltrade-times-total
. ?6 U( G8 R4 k, W9 A, R2 h; l;;与当前turtle的交易总次数
: d8 f: ~$ X/ z' B8 }# z+ ~trade-money-total
, S! P9 \; B& v$ b C* _;;与当前turtle的交易总金额
; G7 f1 d, ~6 a/ Llocal-reputation
( o. @8 z( W$ ?1 q1 Tglobal-reputation, L/ e! H- i I! I- T: i: G& j
credibility
* C. B1 N; [8 O2 [1 q;;评价可信度,每次交易后都需要更新
/ w- M% h6 G U6 Zcredibility-all
4 p* E& d0 m( G. k;;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
& G; G- `9 d) {$ G( U: j
9 s' c. l, X2 v1 |;;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
+ q" s+ d( {! N: \ tcredibility-one
q. Q! W0 ?5 l;;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
' v! O; ^6 I! q$ S* u, m% Lglobal-proportion4 H& r: X8 V7 M$ y
customer# _4 A+ [; O" @
customer-no5 P; E" ^/ G: ]) I0 p
trust-ok! U" g9 s8 A2 H- R
trade-record-one-len;;trade-record-one的长度
0 O S7 }3 f! t0 B]
! d7 Z" G3 d+ |9 d0 ]
6 `$ p( \; |$ ?$ [1 T0 `) z1 P;;setup procedure0 N* _+ m, n) e
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to setup0 z* @. f. Z/ G* r* o
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7 a1 O; @' O% U
initialize-settings
, T7 K8 H3 O8 c) p" Y" M' ]" @2 ]6 r
1 t: q0 q @4 T& P4 `; @crt people [setup-turtles]
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9 a5 v/ y$ O+ Nreset-timer$ |: I/ X5 [: c9 [3 o9 m
2 T6 a; x$ [6 _* k8 z9 Y% a, x0 L
poll-class
. {: \. | |3 Z$ b" w, `
3 i; b4 `8 ], V1 t1 G3 c' y7 Gsetup-plots
( t3 q* h( z% z; |; o0 f2 X7 w9 I5 ^* m7 s
do-plots
7 o* o% j! h) X( Xend" M+ W) t8 O4 g% @0 I# [% a
- b8 A! x5 {( Z7 d' {3 d
to initialize-settings0 Q- Y: I9 L4 a( K" J: Q; W
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set global-reputation-list []
$ d4 G4 }7 O/ H: x5 T+ ^/ o( f1 f! H9 \
set credibility-list n-values people [0.5]
6 T$ |/ Z0 Z, S
- g4 ~) n2 Q f7 Eset honest-service 0
6 f9 Q! U5 P$ @% W! _ d
. {4 n0 T. ?4 t' Cset unhonest-service 0; F3 K6 M8 b, |7 S2 }2 }4 a
9 p1 g% l. W/ x
set oscillation 0
: K" h8 V( n0 ~6 r# u2 U' X
/ b# f8 g1 u9 Z" o9 T: [set rand-dynamic 0
& t4 K9 f7 D5 w- n; J2 Gend
8 s# v, d( p7 p; ]) |: y7 G) t$ L& H1 C9 I' P
to setup-turtles
) Z7 w2 b/ t$ \6 ]' \4 \set shape "person"
8 m3 F" n% M1 R; d- z* |: ~; p& Bsetxy random-xcor random-ycor. S" _9 r( _6 g
set trade-record-one []
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1 k5 ~8 b& Q! s+ t rset trade-record-all n-values people [(list (? + 1) 0 0)] 7 `* ~/ I( l: |$ \; X/ _' R
, @ K# w% p \4 s" ?+ o' {$ ]set trade-record-current []
% Q! Z8 V0 |& a. c) M% P/ wset credibility-receive []8 N F* m6 N: x5 O2 _
set local-reputation 0.5
/ a+ u3 {* q& n g% D$ u' yset neighbor-total 0
, L) p6 c5 o3 ?: e7 Gset trade-times-total 0
. `- K% E; l# w9 F5 x6 p, j: H$ Aset trade-money-total 02 Z [0 G+ R3 r6 U9 f$ q, }) j
set customer nobody7 K4 [4 h4 d/ V& g) \) @7 ^' V
set credibility-all n-values people [creat-credibility]
/ h/ [# w4 Q' T6 \1 Dset credibility n-values people [-1]: d9 L8 ]+ k+ x, A
get-color! }0 H- K0 V& a
2 _. h8 Z+ U7 R4 a1 _7 J
end# s. N" G) O/ x2 @1 a8 K1 R
! ]( ? u, H5 F0 p2 A8 P8 Bto-report creat-credibility
4 x+ i0 H0 N Zreport n-values people [0.5]
% s$ I& u9 R9 V, c" n4 Mend# T a. y; Y5 c% E8 M6 {
w& D# D5 D9 }1 |6 f) |to setup-plots. Q/ C& P R* l8 S( [1 N% f
2 q! J- A9 ~6 P+ R* F6 wset xmax 30
* x+ ]2 c' Z: r. |) t) Z( g( m3 S7 z g
set ymax 1.0/ N5 \6 x+ l0 _9 h- B u
0 }# a4 Y# C- `6 b
clear-all-plots' y, y% V& V& w3 h
+ k, |7 J- ]2 v6 q# dsetup-plot1
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. `2 f) y) V# x& {setup-plot2& f* Q$ R! \1 |( u
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setup-plot3- n* U( q, S3 V0 q
end- p/ @+ G6 h5 n) N& l
& N' u, \4 r: I0 A k
;;run time procedures
" i( ~2 O/ S6 k! d3 o3 W S8 j8 i: } I2 f8 ]
to go$ V# T7 l0 b/ B2 e! e( a
4 C$ f6 f/ [( c" } Q* i
ask turtles [do-business]
- Q5 ]6 w! N. C$ a3 aend4 Z0 @9 ^/ ?9 @0 j
$ R4 G8 f* G3 `' Mto do-business
" @, I1 Q9 N% G: P7 }1 [ h0 J, q" p; a) p: }
" o+ p: n, c) t- C7 X- a9 }
rt random 360, A. V- I6 k3 ^3 r
+ S/ a, [" z2 |- S$ v
fd 1
( ~1 M9 B& F- O# W; b+ ~7 k6 r: _ M X; S
ifelse(other turtles-here != nobody)[3 }$ `& |/ s; s- v" ~: h
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set customer one-of other turtles-here$ X" t8 B: a9 U4 m. c
& A0 A5 l# @5 ^* K4 c;; set [customer] of customer myself; q1 R' D5 v) r' m i' I8 m
% \8 q; z7 Y. _4 [; Jset [trade-record-one] of self item (([who] of customer) - 1): H. O4 V3 r6 k3 n
[trade-record-all]of self( y/ Y+ X" M7 t i. Q4 O0 C7 \
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self# V' Y& |: }# i1 v
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set [trade-record-one] of customer item (([who] of self) - 1)1 F- C; m' V' n; Q p# ]- ?2 t
[trade-record-all]of customer
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2 `/ t" L9 b2 \) {5 Pset [trade-record-one-len] of self length [trade-record-one] of self2 i& U7 J) y) s) r0 g9 k
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set trade-record-current( list (timer) (random money-upper-limit)) g7 w) _: C" X- l' G$ y
7 E# u8 Z0 G/ v) d4 q7 r" xask self [do-trust]6 {( S$ y6 ~% i
;;先求i对j的信任度
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( a; ]; {; {: _; R, H: \0 iif ([trust-ok] of self)
$ J/ {9 N! C5 A% n$ j;;根据i对j的信任度来决定是否与j进行交易[& u2 n( m/ ]* t
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[. I8 @+ O; m, C/ V" X* r
) a- ~4 z6 a3 A4 Q$ D$ N; W5 j+ o8 G
do-trade. M- ?8 d& i% u8 X9 ]0 U }
- O) ^5 h3 Z* D @- A* ~' h3 z& uupdate-credibility-ijl
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update-credibility-list2 m; E. H* l" D% Y. u
) r# J i* ^5 v& U* Y$ V! h
6 V% I! P0 h3 t- a( Aupdate-global-reputation-list
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: y6 E# }2 D0 Y0 H' e; Vpoll-class) o5 H1 F( H/ u5 ?7 p5 O' W
( [- J7 B& {2 G i! j5 I
get-color& t1 v8 X1 O6 G1 j# G
7 N) {- {2 ?; L- }% \. j& k& l G]]2 N" W8 O! ?# f4 i
. G8 M3 s# T! Y) w* l E0 a;;如果所得的信任度满足条件,则进行交易4 [5 I% R: J& ^: V! n: {& l. o
( l j- t& u* U6 m0 m* Z: s- y: [[
1 Q3 X& w5 G( D$ _/ @- ?% A2 G T" o' j0 C# \ d9 \$ `: z( ~
rt random 360
, Z; [9 S; a# f5 |# D+ M
+ k1 X4 R, r7 j# b% D5 u* yfd 17 c' B+ H% b3 y; r* u1 H
7 s b. }7 o/ V2 h9 @3 {0 y
]) A% A, I( E3 w; ?" i
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end/ _2 E% _) h3 Z7 _) h: w% t
$ F o) p5 X. X) lto do-trust $ ]' S( j6 y1 {- P" `
set trust-ok False
P; c5 p+ ~. N1 ?' A. t: @% [ ~& m; p! F! E: L" R
$ N( T2 s! J# J( R% |- C+ c! R3 Mlet max-trade-times 0
9 @9 Z6 `% X' [! X. Sforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]1 R' s0 C6 `# t v
let max-trade-money 0
# D3 x) \( {' w. ]% m/ v- I: oforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
3 ?& ~3 ]' @: \. E- { C4 Elet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
# Z0 [: Q! u* |, |6 a$ {
" R' J2 _' W4 M
1 E' ]/ |8 v9 _2 G. R2 l9 V gget-global-proportion
i. @5 G& u+ I* p: q6 ]2 P! klet trust-value
6 l: F5 P+ [$ h+ L9 ^- klocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)$ A! q- K x t, h
if(trust-value > trade-trust-value)
8 B% H; ^& q( q6 J* O! p1 h[set trust-ok true]: x, V% G+ l1 N* S- v3 I
end) A8 g3 S/ U2 o: O" {; g
9 }- o: N) E( i3 ?7 gto get-global-proportion
6 |) O* \/ P/ N2 k& p+ i4 Y5 Kifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
" a8 n3 I; z. X[set global-proportion 0]
2 E- I# }* e* L/ ^& }; ?[let i 0) O0 _( a& Q7 O R$ L# @- ?
let sum-money 0
- L, d% g/ v/ S/ Cwhile[ i < people]
4 W; s, r( z% H# U[
$ S9 t* ^9 g8 H- f( wif( length (item i: {" ?6 { Y# K0 Y1 w1 N5 B
[trade-record-all] of customer) > 3 )0 h2 u) E9 O3 {8 y) M( K! \
[' l) S8 V9 @. U5 `0 v7 k0 e# P
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))# i' u( H1 D, z7 c# Q2 `' V
]
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let j 0
4 i$ C3 `5 C+ Wlet note 08 }( r7 O, S5 ~5 b* L
while[ j < people]
# d0 P0 I6 q9 \2 n3 i[/ n+ M% c0 \0 V+ d9 S3 Q2 j, @5 ]0 n
if( length (item i6 Y# b$ H( g4 h6 ]( B
[trade-record-all] of customer) > 3 )! [3 x. Y0 N2 l; U" I0 Y; Z
[
7 G4 g4 D; S' s3 o" x% V$ e' n/ cifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
8 }( B0 H5 o. E# d. @+ l[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
% N* a0 Y8 v8 f4 W* P[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]7 |% d! H- F. q5 e
]
7 {6 J0 W. a B2 T]* p3 F+ V1 F3 j6 g8 Y7 b, }
set global-proportion note& Y7 \8 \9 @7 v6 e* s) z S- t& Y; l
]
6 S2 ^" j3 \( S" @- n4 o/ nend
5 c" e" J! C' O3 ~" O# Z6 K3 b3 o; P+ [+ e5 w3 j9 d5 b' e# T
to do-trade% N+ O$ i3 K/ O- ~4 G" M
;;这个过程实际上是给双方作出评价的过程% |& ~$ @; K; t" X" [+ I
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价; p" `; X, M7 J! Z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价, U6 q# V% x% O3 w, ~* G, I4 Y
set trade-record-current lput(timer) trade-record-current
/ e6 w, S1 e! q+ E; D+ U! @;;评价时间
0 l/ i( i8 h+ V" \4 x y task myself [) S3 C7 e+ u1 g; ]/ U1 F
update-local-reputation( z2 D5 A8 r& ]8 m. \. K6 w
set trade-record-current lput([local-reputation] of myself) trade-record-current" g* |/ Y1 d! n) H% T' F
]
" E1 D4 A8 U3 \set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
+ _; I, @- S7 j& f' I* e; t4 A;;将此次交易的记录加入到trade-record-one中5 ?2 w$ [4 q/ j% ~4 f% n
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
6 ^& y- v9 J7 J) h$ q: s; N2 ]let note (item 2 trade-record-current )3 H6 m9 I& a5 K, X8 M, P
set trade-record-current
$ K( M1 W$ N- L. N+ J/ M) j(replace-item 2 trade-record-current (item 3 trade-record-current))1 ]7 F2 B0 i/ i
set trade-record-current
4 ]+ B# ]; n" K. u" n9 s(replace-item 3 trade-record-current note)
' Z8 s& H$ G) _( K' @3 q5 [' g8 N$ S- e$ q) R8 ~3 }& _0 z
5 _' a+ n7 f1 d1 f1 p6 I' j8 e1 c
ask customer [
$ h' [' i% a( g! o$ Cupdate-local-reputation
6 J) G+ L2 C- W7 D. }) o# Dset trade-record-current
$ e+ e+ p. D; j P# [(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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, Z# J# N0 w* H7 b5 K% E+ U# t2 D4 U' E8 M3 ~
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer7 }; I i# f0 S
) r# K. W2 V* c4 N
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
# I5 M: T3 _% d2 w- B. l, \0 B: u;;将此次交易的记录加入到customer的trade-record-all中
& O# O9 t/ E ]2 q" B/ }; `end
; I# s7 D; e! F1 l8 i( Z$ O j t6 a3 u# ~
to update-local-reputation3 V1 ]+ C" T0 P& L% l
set [trade-record-one-len] of myself length [trade-record-one] of myself
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1 K5 E' @0 @0 W;;if [trade-record-one-len] of myself > 3 7 W: t; q/ x9 y7 Q3 P
update-neighbor-total/ n% _! V2 o& r. v6 R1 q
;;更新邻居节点的数目,在此进行: F# d5 K1 R+ I( g' S) V
let i 3! f- W/ o* ?( c- \; w/ Q* |; B
let sum-time 0; Z3 ^( |0 O) C }
while[i < [trade-record-one-len] of myself]
. B; [7 E: U. |6 @ p[! [! ]5 v9 h. w6 n c& B/ a
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
+ e0 d1 l3 z1 J8 ~' C0 ? Yset i
. [' F8 P. l% J' f. j( i + 1)
- B! }1 q |- n5 ]1 \% R' s]
6 u7 W: T- U( G1 S+ [% R7 clet j 3
( O# F8 ~. S# ulet sum-money 0$ X& B3 t9 t+ k% ~- w2 M; Q X. w9 j4 W
while[j < [trade-record-one-len] of myself]
+ D0 K& ^/ Z* B# B[8 `3 V( |& R+ ^4 T
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)
, t9 i6 u5 O2 M6 y5 R! ?$ {set j, ?* A$ f1 W; O3 P* l: r0 r
( j + 1)* c0 N+ ?7 Y. S. q
]* p0 |5 E: e" a# N1 }
let k 3
. Y- d2 L3 j/ U8 a blet power 0
. E: Z# h9 ~. Blet local 0' F! z8 r8 e7 z. C
while [k <[trade-record-one-len] of myself]
5 z5 ]; b! m( x9 }[
; i1 ]: T1 N2 S1 v7 H+ vset 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) 7 P" c: r* s& i2 |/ ^# x. T, \
set k (k + 1)
$ K! {: z$ l# D x]
# a4 c( N2 e2 P- p# V. `3 Tset [local-reputation] of myself (local)
+ o+ M. p7 ?: m* t% D9 v% yend
1 {6 o+ n( T( r# O$ b- X
" U! r7 f' d s9 H0 Y3 pto update-neighbor-total
( X) y, p2 l9 m0 F* R! k& h" P
& ^* `- I5 ]8 k3 D- ^if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]9 j6 \/ m* X, T9 n6 U+ a+ n
- n* U6 o; |- H: D
) R( R5 H$ P. {1 J1 |4 [end
+ Y! U: a. y) ^) D( |, Q. _( a; g8 c1 F! b: K
to update-credibility-ijl
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;;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。
0 A! n, X$ L) w% E2 Y! t9 _/ P6 ulet l 0
; W! a( z" {* z! Z8 R- }* iwhile[ l < people ]7 I9 [; }0 _: B1 e
;;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
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)1 U# p: N5 w, Z" A& f
if (trade-record-one-j-l-len > 3)6 H. |3 o7 P) i% j1 r# {- W1 Y2 p
[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
: B ?; b- I9 M, N; o6 o2 O* plet i 35 K, ?- b& g/ c3 ?( w4 J& g% d
let sum-time 0
. Y4 n: M' ^# ~4 J7 o/ w2 D. W' g$ xwhile[i < trade-record-one-len]
# Z5 ^3 O, z3 o; P9 o) J[
* H8 q& n( B) z1 Uset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )3 J7 ?6 n* a' \1 z
set i
6 n3 H8 w/ w. Y- n; ?0 }: d( i + 1)4 C9 Z9 Z& A2 I1 h" K- G
]7 A; W! E5 w6 L7 S* G& e+ D Q A& w
let credibility-i-j-l 0
7 M- [* G4 P( n! ~;;i评价(j对jl的评价)
7 r! ]1 [9 M3 g0 p! V. i# }7 xlet j 3
9 P4 @2 Q" j# t: q3 d: ulet k 4: }2 x6 X& {) B* e8 k- ^
while[j < trade-record-one-len]" R/ A% w% X8 B4 L
[
: h1 q5 ?# J' B2 [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
) j; W% j/ n% {& Mset 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)
/ q ?- O3 \# o" R$ ?. Zset j
# E0 P0 O/ }+ a4 P6 {6 L( j + 1)
8 S; _5 O! s0 A/ \4 q; o& S$ c]* J, J# B. r% [0 p6 v
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 ))
' |! l, V) ~ R9 Z5 k U* a
, L, H0 R4 k! k- H1 [6 K8 @& S! ]4 Q+ \; p4 w
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
3 N8 j! V' _* Q, B, L/ N" a;;及时更新i对l的评价质量的评价
; S7 ?) \; J8 q) {$ w- Sset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. E0 N* M9 t+ P: }5 |# Y
set l (l + 1)
. \9 W' {5 H$ c' T+ s* A]
3 Q5 b0 n1 n4 F% K; ~8 xend# z. U* g% Z3 @) a2 ~3 m' C
. a$ E" n1 _) H e y* P, k! l
to update-credibility-list- @8 ?1 e. j4 A l3 R9 g
let i 02 \* ~: O$ o, P8 N+ g% r
while[i < people]5 i0 [9 `7 A4 W5 I4 }
[* a8 q; g0 R, ?2 R
let j 0. p, `8 m+ A+ I+ q1 f/ D2 m
let note 04 Z! _+ R1 l2 X
let k 09 n* M3 o) I# ]6 T- z
;;计作出过评价的邻居节点的数目, e! H5 l; E6 M) ?* q$ E" x
while[j < people]! c: N; g5 G3 O) S
[0 q9 M# [$ w# {
if (item j( [credibility] of turtle (i + 1)) != -1): T7 j( H+ A+ V. [. r
;;判断是否给本turtle的评价质量做出过评价的节点
7 h( v1 D0 E2 D1 {* }* w* [[set note (note + item j ([credibility]of turtle (i + 1)))
5 r" Q) C6 S# l( D. H; D- k$ g+ o% J;;*(exp (-(people - 2)))/(people - 2))]# }1 m6 }; V9 ~
set k (k + 1)3 t9 n0 {' F" L7 _* }. I
]1 h& a$ c/ \8 s4 g" X
set j (j + 1)3 j; F* ^) b% @* y8 r; |8 i. B. q
]/ C' E' O8 [) ?) P' ~# p8 ]
set note (note *(exp (- (1 / k)))/ k) [0 w5 R- d( \9 s1 s9 t$ O2 i7 [4 [
set credibility-list (replace-item i credibility-list note)
" X( L8 O: |, q, d7 X1 U6 ^set i (i + 1)' x( I" J- I, E, E* B- p/ S
]+ g- E! G+ Z5 T |6 I
end
+ @1 K. S' j6 w! w
! J* f* l. {) c9 j3 u1 Q4 s. F. ?to update-global-reputation-list
4 `. E2 q: m& x1 o& J& hlet j 0
+ ^5 H/ {; |" Hwhile[j < people]
& |/ q$ D. F, O* W' ?; y7 Y/ l[& v8 n8 j, k2 M' i5 @
let new 0- N4 K" Y. c9 N* W
;;暂存新的一个全局声誉
9 P9 p4 [3 C% K$ `: @7 K4 w' _* `let i 0
; f. ?( P5 ~$ I7 g4 f) j E0 vlet sum-money 0, S( a/ J# N% k P' _/ `" q% H
let credibility-money 0' I U; g, {* l2 I" V' w0 M
while [i < people]! r# |) c. v" `$ ~) [# B Z
[
& t% p! q, v4 X1 M' nset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
( x* H' W2 f9 [/ q2 o2 Cset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
( y5 E6 I' y( U" |set i (i + 1)
8 K: R3 n0 A, R+ T: r4 w5 V' q]8 X) z% }' y6 c2 U+ ~- q t+ G
let k 0! _2 j& b$ _4 n# r8 @ A* t
let new1 0
. j8 i/ n2 J M2 V+ j6 bwhile [k < people]
V6 m' W+ k3 f" r: ~[
; n+ Y( k* t* Cset 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)
! u" e) G/ X2 C4 }1 Zset k (k + 1): M6 }1 k/ j! c" z% |
]
$ b G7 q9 w) I) }' m7 Fset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) % \) b T& U5 v; [4 f) D1 ^2 Z( m* p
set global-reputation-list (replace-item j global-reputation-list new)
+ D6 C+ l7 Q A( Tset j (j + 1)
# ^+ Y8 M$ }- `( e]
5 v/ q! `/ }' ~" i" o0 iend0 Z' `: U! {' R) f
+ u. W0 L8 r% e# q2 A
9 a7 t, N) r$ Y( M# Z8 _/ D0 p. d+ B k& g) ^% m
to get-color8 Q; z% n, U0 q
6 v3 h% {, Z5 F$ Fset color blue- W: i. F% l6 |. }) h4 @; N3 Z% |+ P
end% O8 K& m- o* N& Y
* e7 s2 W8 s. Z4 N$ J. J5 u: ato poll-class
( U4 w1 C% k+ k4 |* g7 kend
4 b- p5 q U+ _/ D x6 ~' n& F2 Y: }+ \# u) K: @; a
to setup-plot1$ I- L9 J0 e/ E2 a Y, j
$ y; ?' ?% i/ B1 R% ^0 G. K6 Vset-current-plot "Trends-of-Local-reputation"! y- G2 j; c. @$ I; Y
; c+ @2 @. l7 U5 Z/ hset-plot-x-range 0 xmax @# i! S2 w- G9 p: w& l
+ @% T: j2 R/ f" jset-plot-y-range 0.0 ymax1 A* r) M/ k6 p: H- ]
end# f1 D. E% ?! P# D' ~
% p+ ^" i) X& }; b9 e& ]" C, g
to setup-plot2: B4 t" [# D0 y& n2 h
# k) U& J- z7 d+ w' s
set-current-plot "Trends-of-global-reputation". P7 ~! G2 D3 A+ V& V
' X% N5 a0 H, z' a4 ^
set-plot-x-range 0 xmax C3 b- a" V! @, j" i7 u) p
~ c3 H$ L6 r0 ^! L9 ?set-plot-y-range 0.0 ymax5 X6 s' P+ [2 H2 h% C
end
5 z" f! r1 n: D8 w8 R& `" V" H+ ]1 f% i- M( B
to setup-plot31 b- T! H+ \4 Y
5 o' }2 `. A# }+ R$ O) w# C& d- M) u
set-current-plot "Trends-of-credibility"7 L- Y) @% f4 Q; f; A& v
/ U# _1 @7 u: N$ uset-plot-x-range 0 xmax G+ @# F! [+ q( j/ W% V
# |7 Z9 c/ l5 g# a6 ~* ^* xset-plot-y-range 0.0 ymax
, I5 _( o8 D+ B/ X5 Wend% b; C, `( P, n. N; s4 ?
1 k/ A) c2 @9 r% L$ m3 N) E5 T& Zto do-plots
) ^4 Z1 y1 z3 t1 o7 Z Q7 c% L1 @set-current-plot "Trends-of-Local-reputation"
; O5 B4 _0 D) q2 [2 eset-current-plot-pen "Honest service"; d9 r* O& S* F( a3 t* Z
end
6 V4 m f" z3 @* i3 G7 O5 B1 p3 H0 p* F( u! f" x+ [
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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