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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
5 v0 @6 I: b( L: K3 N) yglobals[$ G+ C0 X: O% Y: i9 C- B
xmax2 \$ B9 R, m4 g# e
ymax
$ E- e/ J: g. Pglobal-reputation-list
8 G, j! f/ d( ], I- n& u, t- n) c* d6 ^
;;每一个turtle的全局声誉都存在此LIST中
. `% O+ d+ }# n3 l. E/ tcredibility-list
; B9 H3 s4 a9 M8 x4 s7 [0 X;;每一个turtle的评价可信度
6 H4 K- I( n$ ]honest-service
2 i% V" @/ F* ^5 R( [5 r0 kunhonest-service, P: ~0 |4 s4 c ]$ C# a
oscillation
+ M+ d+ w) C# t" |8 D) m1 Grand-dynamic
; d0 {" u& q3 G: Y [% ^]
* Q* N: U$ l1 z/ i! i7 z* n% u
: z+ W; ?, t8 [: s8 V% ]turtles-own[9 `9 V9 V7 Y+ M7 y7 `) j. y2 v
trade-record-all* n& y% i6 w# s9 C1 \
;;a list of lists,由trade-record-one组成
0 Z, J2 A1 |4 @( t1 ]trade-record-one
# O# Z) R- o: a1 x. @, C3 `4 U, Y1 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
+ Y3 T. z0 O2 p! t
0 E) r# d2 \8 T4 c6 H8 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]]
8 U2 j! B1 q6 e! ?) rtrade-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]9 S3 K& F5 }, M( t5 h; P% J: m
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! j! U( C5 O6 E1 |; y2 [ R
neighbor-total- W8 @# f, d- ^7 }: D* s2 }8 g
;;记录该turtle的邻居节点的数目
" y# m! { t |% m. l) x3 [trade-time
4 L% k6 w9 s9 _' D& V/ h9 u1 U;;当前发生交易的turtle的交易时间7 r4 | x2 N ?1 Q0 b
appraise-give
0 K# m; s/ H- y+ S6 Z;;当前发生交易时给出的评价. d: m. ?0 Z. ]( M
appraise-receive- U1 Y5 {) ?- ?% X% _3 `
;;当前发生交易时收到的评价
$ N6 d8 p, ?0 Xappraise-time
" j) M6 |1 {1 p2 Z7 g/ o;;当前发生交易时的评价时间( ?) S5 Y' m, P8 F- g* Q
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
5 V+ I( N/ ^9 ^1 Rtrade-times-total( h; V: S* X- }5 f$ E3 I) h
;;与当前turtle的交易总次数
" L b7 j4 d; }$ _. O+ Q Etrade-money-total
4 Y% `/ ?8 P0 Q;;与当前turtle的交易总金额
, ]- C1 K {3 {# z& Y* P, w: ]local-reputation' [: B- k, H. _) a
global-reputation
: c3 J" H5 n& V3 B9 A, ncredibility% m# G3 q/ l+ {" m; c
;;评价可信度,每次交易后都需要更新
: I5 b" I4 c; rcredibility-all
$ s8 e1 x% W( Y% T;;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 G1 b4 v* j( o1 k+ u* E7 a2 S: s) S
6 J+ x/ Y( m) T2 Z3 h
;;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
3 {0 W$ }& g3 W! b* z$ Icredibility-one
0 @2 I; }* Z8 N! @. D;;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 J7 P4 k3 o: G% L/ vglobal-proportion* A n/ o5 R' }
customer
6 f- i9 |' `/ Y# Z1 Kcustomer-no
9 j1 g! l+ B. ~. |trust-ok& r# ` W( Q6 z% K5 g
trade-record-one-len;;trade-record-one的长度1 Z5 B. ~' j& Z0 ?) B4 c
]2 u1 O- d9 i- e: |8 [
. F& G [( h; D& |+ d2 };;setup procedure$ S3 \+ e5 B# G) R/ [0 G
5 }8 w( l8 B! m5 Fto setup
/ q0 K _! Y' Z; W0 \
1 A, I# B: b, Lca
. f/ `- V: L# i; }- [- U# t- B4 ?2 u0 D4 T/ K( `
initialize-settings
- j) M+ y* Q- x% i$ J1 g3 N2 v, h. G2 l6 M0 M: a& t) H% |% h
crt people [setup-turtles]( D, e3 z1 F$ F
* k7 m# a6 v4 ]5 M/ zreset-timer( v% G' J0 ~* E* t( \
& c+ W {/ T0 O2 F7 L4 N* m! s Ypoll-class
4 t& ? j$ K$ H. Y/ I8 g0 A3 j/ [3 U6 n/ a1 M& m. l
setup-plots
8 K2 Q0 J* i5 x: O/ R, c+ O
; T0 V# ~. P2 N- `do-plots
4 M# j8 F" |$ |2 |8 M7 |% Bend
) Q# p) p( T( S# k" W* u# q: z8 }0 ]1 [+ P
to initialize-settings* U6 E, ~* q$ ^
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set global-reputation-list []
4 g( Q2 R! l7 P9 `3 i* f m6 s2 y4 @6 P3 [( y f' }# z
set credibility-list n-values people [0.5]$ W4 Z/ K) w0 P$ @! E8 S1 `2 i: @
) A7 I" i7 w/ Z( w2 C; t! Lset honest-service 07 U3 x/ d+ C C" L; A4 Z
* }( r9 R) F% Y5 E
set unhonest-service 0
: t0 @% D0 o+ L- i% `
! t x6 O+ d3 G4 dset oscillation 0
~ P. x! K# A/ \$ H3 G: ?( V. {8 Q' D* K" U
set rand-dynamic 01 g- q5 L* G, I
end
% D% X% E# w! p, R
9 k$ l$ `7 Q- z+ f: }9 \to setup-turtles + b/ f4 C2 J; o+ d- b
set shape "person"
9 a& I C' D! P4 ]setxy random-xcor random-ycor
1 ?$ H) T- N w, N [set trade-record-one []) A& ^) s: ~! A L2 x. ?
* W/ R* `6 F+ U6 A' u! Yset trade-record-all n-values people [(list (? + 1) 0 0)]
& O; E& v3 Y: O" V/ B% H9 r4 d7 [4 S% F5 N$ R8 H& r
set trade-record-current []! `) L3 F% n$ v( D/ o2 H
set credibility-receive [] }/ j1 O% A; L# L4 _$ N
set local-reputation 0.5
0 F. q3 [! O1 j. U8 G' f! [: b: ?set neighbor-total 0
! ^! O/ ~& Q9 q: y- ?# tset trade-times-total 02 G2 ` b D) `: _
set trade-money-total 0
2 v6 ~# ]. H- t; O" Rset customer nobody
6 A# E/ }5 u1 e/ Sset credibility-all n-values people [creat-credibility]. K, f) Q9 W8 |
set credibility n-values people [-1]1 o$ a O3 S) t' C+ n
get-color) m* i; a# T* U% t4 g6 Z
; G5 ^) P0 E& ?end
7 F/ ?! C2 T; f( h
# u. p) N; ?* a9 yto-report creat-credibility
) B b8 p% T! D$ qreport n-values people [0.5]7 F* C0 `$ O" `' M
end3 v/ d% _2 T: G: K2 w$ n3 G5 a
0 o) ~2 \1 m# Z$ Q7 cto setup-plots
2 N) x5 i, Y/ F$ D% {' i" _" V
2 ~( O$ }3 r, q( ~3 |& Mset xmax 30; |" H" N$ n! m6 r3 [
/ p: V- @; ~! q4 J5 J' W
set ymax 1.0
, ?, ~" y3 j; i, p* y5 G* Z' \$ P* {3 [
clear-all-plots
7 X9 y* n# G) G7 ]1 q) L
3 y$ B( c4 v- S$ k: Zsetup-plot1
( }! D$ ?7 }" m0 g0 q% ]) i5 c1 y1 A4 ?3 b4 p
setup-plot2. I: g5 B* _) ]# W$ f
# G/ k& w' L- N1 B( O9 R
setup-plot3$ Y2 ?0 I6 G" n9 S
end+ s4 Z! c$ f. r+ I% ?* X+ [
: t, B* i; x3 {1 T% A4 }: S' e1 U;;run time procedures- ^3 @6 a, i2 @
+ P2 b* v) r/ {
to go. H" t. Z B/ O# R9 M6 A- G
' Z5 @3 K# N( Y( a" R# h9 _& [
ask turtles [do-business]
6 L8 D5 Y1 M2 j/ `5 T% Bend
; R+ [ W, l6 H5 L% k S6 \ f1 ?$ l2 x
: f; r3 t% b4 mto do-business
; s: X0 @; X( ]- @* V
T$ I) s* w( g0 t) M7 }& e" y! B; X- ]% {& |4 O8 B& u7 n6 z
rt random 360, a" U% J6 n! d' z0 I$ E
8 h) S8 [4 a8 Y# K% W" wfd 1( X5 k- \7 p/ l& F# e9 C* D. q
2 H1 A4 L( I7 k
ifelse(other turtles-here != nobody)[
* b* R7 @3 b. ]' T( T- y: N9 m% ~+ L. G- J/ H( Y
set customer one-of other turtles-here) o# q; |' Q( S: f$ O* L9 t
$ h) c, G) V% j* y; }1 W( U3 Z% L7 t
;; set [customer] of customer myself$ R% ]# C! D" O4 J# ~; V% e$ j
\# n! d6 q- A5 Xset [trade-record-one] of self item (([who] of customer) - 1)
6 r' _& v3 O6 o4 o, Y* ][trade-record-all]of self
F! y5 m7 k# t# X;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
) s- M; L c# i& V9 p$ Z, w" E3 P# E; {
set [trade-record-one] of customer item (([who] of self) - 1)
9 R% u! i7 y; E2 O[trade-record-all]of customer9 U! S. t/ g, x' W5 j% |8 v5 O# r
* ^8 M) Q* ?3 Cset [trade-record-one-len] of self length [trade-record-one] of self
0 V6 m1 f; k- L/ a9 g5 i Z
4 t8 ?, r. Y9 S- mset trade-record-current( list (timer) (random money-upper-limit))
7 D9 x* O6 W. |0 c* D; W( K) H, \) {
$ k. k" Z! s8 L/ C6 Q# g, Mask self [do-trust]( `7 ]% H9 S- M: s" F
;;先求i对j的信任度6 i) F4 E6 J; I( R( |1 o5 [4 _
% n9 z; o- ]$ G5 _if ([trust-ok] of self)1 F7 y [4 D5 E
;;根据i对j的信任度来决定是否与j进行交易[& X! \3 {% A3 d% O1 l8 ?
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
! Y2 s& O9 Y* v% r2 v% t+ P+ Y& h) S
( r! \, j; n+ d/ Y& y. j2 S[$ c' H+ L$ c2 O6 A8 p
1 @' b( f) v- ?do-trade
; L4 U* p% |% z5 f0 i3 P! v* o" B+ K" }9 J% h# w! p
update-credibility-ijl
& b2 |: C" Y5 B* z1 r
$ @; ~1 y4 n0 Dupdate-credibility-list" Y% U$ W/ f/ d2 R
! V# Z0 c2 E2 X
# g8 \0 p6 G, c1 Q2 F
update-global-reputation-list
- P) Y) ~6 D1 k% d6 l7 j+ ]
/ U7 S/ g2 J4 d8 I( p7 Wpoll-class
+ T+ S8 o X0 G8 w+ x6 j9 j
' p/ @8 i1 c0 x; \3 _get-color
. d1 {2 v) D- g& n# G- Y4 l( m& }- O3 e
]]( u1 \% D. n9 H; L
3 j! w4 k# {+ C) Z. Q7 q;;如果所得的信任度满足条件,则进行交易
2 e& C2 t* m9 Q7 V
" C" i% l' p1 |4 `9 m( D4 d[
2 A4 ]$ D: c; w# d# }! y1 u: G& y* x4 F; q+ z! k+ k
rt random 3602 l" G1 W( e) P& v3 E
: h" \+ j s9 n, `fd 1
, Q9 ]4 [/ B; z( ?' [( I# t3 P | G, y% k0 z" N! J3 `, h* Z' w' Z
]' R# j. c6 J; s, P W- _& u# ~
- S" `8 r7 J8 P
end, |0 k$ ~: H; l- I
3 g9 [- }; q' Y: `) }5 {; ~
to do-trust
7 j8 A& @' p: ]set trust-ok False
/ ^8 c H2 S) v+ {' X& |& @2 i. c, o) F
, K/ l" V2 y/ V, olet max-trade-times 03 F, j! V9 g$ f- ?- Z
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]3 X. O3 W! T, J" O
let max-trade-money 02 }& ~* s7 Z8 y v& R2 d( ^+ |* [
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
+ W. t: d0 n# i; Z! w; Tlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))$ _3 E8 j; k7 I
8 F, k( z# X4 x! @$ \/ A
" t1 ?: G7 E/ r! e* V, P9 Cget-global-proportion
& I M# [: j" T# T+ G( m! M; }9 Y3 Glet trust-value
6 G& I9 f6 e' s' p0 qlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)" F2 ]! }; r: _
if(trust-value > trade-trust-value)
/ r+ x2 ^. v1 k; s* J& l0 c2 \% d[set trust-ok true]
6 f. o' n: X. {# Oend \ H M7 Q& W. d+ ?# |1 \
, B' f/ O9 z2 N0 U, vto get-global-proportion
+ F* |* } ^% D$ iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
- R2 o: L; a1 _$ N[set global-proportion 0]
- N4 l9 i6 z( w# T, V w[let i 0, x% _- S8 |: z
let sum-money 0: c: l' e9 U) S9 n5 e
while[ i < people]
% n& x k/ |$ c) i[
( R$ H5 S6 v& c4 Wif( length (item i3 a1 U! |7 X& W# d1 J
[trade-record-all] of customer) > 3 ). S* s8 W# _$ \% y$ V: g
[
/ ~1 Q( t; I! ^9 D# Qset sum-money (sum-money + item 2(item i [trade-record-all] of myself))/ k, c2 z5 o5 J
]
2 N6 s+ | l/ A]- P, Q7 p) q e9 F/ W& P* c
let j 0
7 y( M5 Q$ v! q' E5 |0 h4 Xlet note 02 h. _8 t# l7 |/ i
while[ j < people]- G" k; ]. n( c- y
[
3 r4 E; ~9 k0 i8 C" c. j% Vif( length (item i
* T; a; o" H* \" T& v0 A" w* M[trade-record-all] of customer) > 3 )
1 n- q6 N% W W* m[) V& M* m! ^, Q4 k; u
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
3 s4 \& e1 h- `3 @) z" ~# Y1 O[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
1 S9 D2 W" G, I% b[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]+ E8 h* a0 t7 |+ H# F* R
]
- l5 V) Q3 \( I]
' ]0 B& S: F5 j2 C. {set global-proportion note5 e0 P/ t: ]; f; t" \& T, b
]
& N) u8 @* L% M) T! `" J' |end
+ V8 ]) G8 N$ o9 z( c: D5 [
- {: G& W' k; I7 Dto do-trade
0 U$ c& b& y% m( x6 m2 d c4 h;;这个过程实际上是给双方作出评价的过程
$ m0 r: l' _+ E* R: E0 q Aset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
' ~, m/ @" H; P& jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价9 e7 B7 `: d/ F1 f: q0 c
set trade-record-current lput(timer) trade-record-current
/ z' f& g' o) B1 W8 ~7 ^! f1 a, M;;评价时间
* S% l' L3 b$ D* J/ X" Hask myself [2 {& L- O4 M: U6 ^
update-local-reputation
B0 I2 T3 l( N' i8 @$ n* j& sset trade-record-current lput([local-reputation] of myself) trade-record-current
( p* x8 {' b8 I) D# s8 s, ^0 r0 C]2 [3 A* q* k+ D8 b* I4 S3 U$ T
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
* f3 P: e9 `6 q( \4 P8 d& ?;;将此次交易的记录加入到trade-record-one中) u9 w" r$ i: A ]: L e( z9 D7 k
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)) z4 @3 U& A6 d1 y
let note (item 2 trade-record-current )
& R( p- U; {# `set trade-record-current
' C: j6 W$ @; |: s* z$ r# }(replace-item 2 trade-record-current (item 3 trade-record-current))
{/ p w+ b, Q/ t% Dset trade-record-current2 {8 ?' X6 K5 ~
(replace-item 3 trade-record-current note)1 a' I o B3 Z; h" v
; b( j; F7 Q* M Q
2 O$ ]# A* u8 O. u% L5 X& f
ask customer [ F# b+ F* } h' R# z" M w% ]- j7 ^
update-local-reputation7 I" X3 O7 l3 y5 O
set trade-record-current, ^' }# p: A5 F( K
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 2 s8 {9 ^* ^+ G/ h. H
]& b- `2 p. r' F y) O
& a" K" r- @; v- L% K8 M9 H+ O
. e3 F9 _6 p7 t& T& Q! Fset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
5 C$ M( O7 s4 M% `9 |7 s4 I
+ b8 i6 f- K9 l5 G# wset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))! x: a" q: p$ D
;;将此次交易的记录加入到customer的trade-record-all中" |$ K; Q x! O! m# b- P: V7 @6 B
end0 N$ @7 d5 t; D* h: b
1 ^+ |6 @; R+ u# ~to update-local-reputation
# O( _: Q: N3 Dset [trade-record-one-len] of myself length [trade-record-one] of myself
5 n) t, y) `7 t6 y& o7 N0 \" s, O3 y+ ^& v. H. p
2 v) G; H/ H7 K w( W;;if [trade-record-one-len] of myself > 3 5 Q u7 b) P/ U! _, X# X. b
update-neighbor-total) Y4 I2 {' @5 ?- ^1 S P+ K$ e
;;更新邻居节点的数目,在此进行
6 S; j- v! c1 Rlet i 3
+ }8 }( s7 h6 e- S; b% O5 |0 N: Vlet sum-time 0
- B, Y7 s8 C lwhile[i < [trade-record-one-len] of myself]8 m1 ^/ [0 L1 X: P ?
[ \7 a1 W9 P5 L. T; a
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )6 ]- [# Q. ?/ i A }6 }7 w1 o
set i3 a: e. L# M9 A( {6 g" d
( i + 1)
; O) y- O9 f% {! O( U]) }# z/ b5 G5 _9 v) i( S2 H0 I
let j 3- x, u( a6 D9 C0 B% L2 S# m
let sum-money 0
# X# b5 q M4 w5 R6 Nwhile[j < [trade-record-one-len] of myself]
% p5 ~6 Q4 ~# E& t[; f/ F+ u! \* m( u) c) _
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# `% }0 r3 `& b+ o& m
set j
) L; n' W5 N% u2 S' P( j + 1); j4 p1 `- K: q7 S
]; Q% Q1 \: D R, l
let k 3: z8 j- G5 r1 p' a+ Y1 i- c+ i* k
let power 04 t4 B% N. n/ E4 G) R/ \: {
let local 0
& x/ D% F- U# U1 V" k9 Ewhile [k <[trade-record-one-len] of myself]9 g1 T7 x: j1 `9 V2 o/ ]4 Q
[
; O$ w- B. ? {; F% X& a% Uset 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)
9 T+ b2 o _- {, T8 uset k (k + 1)8 m1 s; x1 d$ ? a
]
: `8 t- N. N v, t, u& Y8 cset [local-reputation] of myself (local)
8 s! {' v6 |) C, kend2 z- i1 g! u$ X3 j
* g3 a9 ` L% S2 O5 i Z+ C
to update-neighbor-total& @" g2 p( K9 C, S, c% a$ o9 b
6 D4 L3 ^, ]! x/ o! e% X; V
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]* ~5 D% M( L! @4 o
) C, N6 n$ ?' s8 c2 l+ @! O
( a4 g$ j. [) u) r+ N# N& send
& L: K# m' Y, ~) i- y' \; z' Q4 r
to update-credibility-ijl
( l5 a3 C; r+ |1 I
& M, K. X E) e- J' Y" [8 t;;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。+ G: H4 x) [$ t& D* E5 s8 q
let l 0& a+ G0 U+ T+ n4 J& c' {/ _
while[ l < people ]
) j# P/ ~. U2 x5 _" C( _;;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
+ Q/ M+ W7 m' h' a6 S[
( \9 e) E9 W: I ?! X: ^let trade-record-one-j-l-len length item l ([trade-record-all] of customer)) V! Q; l; s# o
if (trade-record-one-j-l-len > 3)
3 E1 P( Z) D# b- P, o( |[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
% ^% A( ]* r. Z* wlet i 3- `# \# P5 Q+ L: E' G
let sum-time 0
) W% d; B4 k" ?4 Z$ Y' l" gwhile[i < trade-record-one-len]/ L. t0 G; w+ y
[4 c1 h8 {, D% d! m! p3 i/ l) _5 u- ~
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )) W1 O( O: {! e
set i3 d6 _& p% M7 d9 X" V7 {: c0 `
( i + 1), { \# z9 `- [6 R
]& A1 F+ ^6 T6 F3 ^
let credibility-i-j-l 0
( E N3 O6 J+ a;;i评价(j对jl的评价)
- O1 e! Q5 X- {; {let j 3' J! K" Y' P4 w4 R2 ?
let k 49 t% S# l2 V, C* _
while[j < trade-record-one-len]
0 y7 T4 s; Z5 ^) S7 I7 g! p0 F) O5 O[$ Y# r- j; R7 H1 i( d
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
* S: J- |! M7 E; c B4 o' r5 I( Nset 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)" K( N9 m6 p: W5 B+ j) c: W
set j7 t1 N7 p# Z) k* D
( j + 1)' L8 |0 K: r% u
]
* D( x& c1 ?4 aset [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 ))& B2 }/ g8 J1 G, x0 {
9 f; A% D# N# K! k- n/ I# l+ G/ q- Q L
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
; a! U" d- i# {% f;;及时更新i对l的评价质量的评价
. P- J4 r8 A7 q" i Jset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
. B9 T& x6 N R" C/ Vset l (l + 1)
; X8 ~; Q9 O2 P' q2 D+ _" d, S1 A]
2 N* N8 \3 T6 N: V4 g8 ]end+ A6 b3 K' V4 n7 v
+ E! X) C5 n) k* |8 q
to update-credibility-list
6 p Y2 _: u# B/ ~4 v/ H3 G4 _let i 0
; J7 t! R4 I }) X5 x$ _6 Zwhile[i < people]
8 j/ g# X9 ?1 Q; u[
; \) I( c/ ]9 l8 k( U# a9 ?let j 07 S, @. u- |4 ^2 G
let note 07 I) T+ h! q. W0 U
let k 03 R" ?4 d, |, _3 n. {) B
;;计作出过评价的邻居节点的数目- {7 p6 o p& {- q& I* W
while[j < people]
% Q+ x* p6 N9 r1 z! _[
* Y- R- {6 {9 y1 kif (item j( [credibility] of turtle (i + 1)) != -1)8 c5 O0 m3 h/ o4 ]) J8 J# y
;;判断是否给本turtle的评价质量做出过评价的节点$ @% q8 n% W8 o5 F9 S9 Q
[set note (note + item j ([credibility]of turtle (i + 1)))
) N/ w6 `2 d( {! u$ e& _;;*(exp (-(people - 2)))/(people - 2))]& I$ |$ Z0 B7 k Q
set k (k + 1)
* |% C7 ?$ k; F$ {- M6 e]
3 i; f2 V% n# b+ |% V! Y3 l5 Kset j (j + 1)
4 Y5 \( a+ D7 _" M]
% }3 \; N0 h- q/ h# l& ]% q' Dset note (note *(exp (- (1 / k)))/ k)
) `6 D# v5 w9 l# V' Jset credibility-list (replace-item i credibility-list note)
, m7 x) Z( z9 `3 c* U7 V6 u, h# f/ Gset i (i + 1)
" J9 C- q4 T2 o( M6 P" B]- h: v/ q% `+ Z4 u; s
end
: u' |7 y ^$ P' V, B( p7 V) q q/ {2 C; ~- r5 e
to update-global-reputation-list
! c" a: \" E; G0 K1 c, F5 Hlet j 0
( Y5 s; @" F. R+ P' g: w/ K8 B2 rwhile[j < people]# ]* O6 g# a$ A5 Q7 p- g8 s
[
* b5 z! u- B$ P6 v1 i4 Y2 m; tlet new 0" X+ x3 X+ i( }6 B/ W$ P
;;暂存新的一个全局声誉
# J: n }/ b" x' llet i 0
) g$ \* f7 ^- _/ s ]" dlet sum-money 0# r" k5 N- ?: w; U4 s; O
let credibility-money 0
: z% `5 j, d7 W. o4 ~0 T+ ewhile [i < people]
7 o2 Z! Z- i* @" U4 {* {[
1 |; `( \& |7 V% s. Z5 \5 jset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
) y! N$ H7 {1 n! ?! y1 s* `( t9 Kset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
2 d; b8 r- \- Fset i (i + 1)' j* L* V. O+ e3 G
], }! w9 f8 k+ m# ]
let k 0
8 G' |0 r& \3 hlet new1 0
$ D- i2 Y! t; {7 E+ jwhile [k < people], r* B& ^/ q( g
[$ {: V; F( n1 N" }
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)
# t9 T* @8 X3 ~; G) jset k (k + 1)
. V Q2 ~$ t `. Q: ^+ a! q]
3 J. h( N; `# c- W$ fset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
% j' P* {' k$ M3 r" y; X: a" ~- ?/ Uset global-reputation-list (replace-item j global-reputation-list new)4 _* E3 O( x# e, F7 i0 p* @) s+ N
set j (j + 1)5 v1 ~; a: x2 f X! H
]
5 V* c) I6 b5 e7 |end/ J; l4 L/ ]0 \& u6 E
& R* c* p4 j7 a+ z
9 p6 a2 o( B/ K: E
) Y% T R3 X* H- p+ f, {: o6 R# x' Dto get-color
. r: ^" ]+ v2 t q: l% @7 @7 S) l0 k1 F
set color blue
9 \9 u& v' h0 M) t, \0 r1 x7 m5 iend
# G" ~- s- f$ t/ i* p: E c
* ?, H' a: ~# A, ]! X/ \7 jto poll-class
1 J* r) y1 A* y: t, R' q" w% Aend
- g& H& H% V! p& U% ^6 P# [4 q; D5 s8 t5 {+ d: k0 f
to setup-plot1+ \% l. ~0 f8 z
) f6 T9 ?# {$ h* Q1 ~" r) {7 tset-current-plot "Trends-of-Local-reputation"
8 W8 M- i2 q t6 ^& c1 ?/ A8 K' |
+ y) Z3 j9 \. a6 C5 Y) [set-plot-x-range 0 xmax5 h# D' T: e) x: F2 I
: @. m/ t; ] m, j1 Hset-plot-y-range 0.0 ymax; z5 t, w; }6 D/ Y" W
end
9 r Y1 `& v5 S e- C5 i% y! B8 \$ z1 {' `
to setup-plot2
7 [( J; I' V7 j/ P# b
8 H( x# F7 b8 [0 p9 h9 ]set-current-plot "Trends-of-global-reputation"# Z% s* u# e' B( h
) ~6 C: P: ]# }1 s$ J
set-plot-x-range 0 xmax
" p2 R' K0 b, a/ K4 X, K- d& ?% B
/ T& b4 R( f" N( i8 [. x8 ]set-plot-y-range 0.0 ymax: o9 p9 i! u8 N% V) t7 q
end
9 L+ m! Q: f6 @) N4 T* E
& |, n) {4 @+ Nto setup-plot3
( [ P8 l# H7 h' m9 p" t& [* m5 H7 G' i% `
set-current-plot "Trends-of-credibility"% }. ?7 _- K/ z5 |0 u) N0 C" Z9 C% b
! O: Z+ `( ` vset-plot-x-range 0 xmax1 B( C& s" f( J4 ^7 m. {7 J
- p: Z2 d3 T# ] F6 ]set-plot-y-range 0.0 ymax4 S) u4 `' p' ~
end- p; ? @) Y8 m3 Y- t, F# @& F
- w/ |4 U5 j) c
to do-plots6 H- t: p; A) Q. b% h
set-current-plot "Trends-of-Local-reputation"
& G8 l$ {% i0 _2 {set-current-plot-pen "Honest service"
, o3 v0 p. ? |; r2 N# Aend
0 N* O: F' N: f |8 N* ]* K; B& C5 N( m7 @
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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