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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
7 j. H7 I6 o# ]' R# { E7 Cglobals[
) p4 z: _) D+ ^ G* Hxmax+ Z0 i, I3 q6 {1 y. m7 ^
ymax
|' J) h" }: ?2 Q9 Qglobal-reputation-list
2 R; V; h* t* H% \/ ], W" f) J. ?$ F
;;每一个turtle的全局声誉都存在此LIST中" Z0 Y$ G. a6 z& l' p/ Q7 g. J2 P
credibility-list
2 X* P$ f' Q' ?/ { z# Z. w% _;;每一个turtle的评价可信度+ q( o- _ M" M
honest-service& L* s2 |' U9 s: m9 f- U/ ?( L$ M
unhonest-service% C$ x S2 E6 U1 K/ C
oscillation
1 n" l- _* L1 J$ x2 A% Xrand-dynamic
: X" k' d$ F( T* v5 h]' ^* z6 X- W/ \
& q+ K5 S0 q/ K0 S
turtles-own[! G$ S2 w; y( o1 W! I, [
trade-record-all
/ W/ t5 g) O' g. @* I/ P;;a list of lists,由trade-record-one组成- o1 v( Z L0 H# k- x+ L( I
trade-record-one
" i: K2 F+ \8 _3 U) \+ G;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
, {+ W$ P7 }! u! ]1 ~; H9 Q( n: T5 V' u
;;[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]]' v" O, |1 \( W3 k$ w# I
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]
$ P5 u$ t _% _" |: G j" k+ S& a1 ncredibility-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
8 t5 F( o# l O6 Rneighbor-total1 @# r% G' u7 [7 {" Q/ E) A0 [
;;记录该turtle的邻居节点的数目( u& a5 c7 h/ }' ?$ R% v
trade-time
% I" N. L* a9 e( P/ U! ~( M;;当前发生交易的turtle的交易时间
) z- K p( ~. I. W2 u8 U4 `appraise-give# u# w3 j5 t5 m" l+ D8 V
;;当前发生交易时给出的评价/ b; T$ Y3 \" L. N6 s6 x7 A
appraise-receive6 e7 C. D0 T' E- D
;;当前发生交易时收到的评价* d( c/ M6 {; `8 y# M
appraise-time
; _- N2 z. V7 J0 w( S;;当前发生交易时的评价时间
& `0 ]2 B! z- d# M* Tlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉+ S- b" V! g! o& ]4 T; N) t
trade-times-total
9 v! G! `8 ?' e4 H* ~) r;;与当前turtle的交易总次数
! m# e; q W0 q8 x6 h5 rtrade-money-total
: ^) e2 f4 L" ]" B;;与当前turtle的交易总金额
, {" n5 O! _; C) L$ X, qlocal-reputation
$ a( P" f# T( |1 i9 d' oglobal-reputation! n5 a" v6 l$ }" k) h0 a2 _+ J
credibility
$ s n9 s3 \' v" [;;评价可信度,每次交易后都需要更新8 a3 z4 Q; e" ?% T4 Y; p" `! @) t- l
credibility-all7 w5 S/ R6 `$ G
;;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- N) e2 B; Q6 P& F+ U) P/ ], D
* ?% d" T: t' H* S1 \9 i# l;;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! L6 K+ @4 r( g1 u% v: d. {) I
credibility-one' s0 R A5 d. ~: ]3 s; ^5 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- `" T2 b; D2 M' l2 P7 L8 @7 M/ c
global-proportion
* p& _1 p5 u) c! scustomer
v2 q u4 ^2 Z* S. _2 Scustomer-no3 f1 @7 H6 Q# S+ N
trust-ok+ u3 U9 ?- B: q
trade-record-one-len;;trade-record-one的长度
& ^+ S9 y' y3 O/ ?0 i- a/ l$ N]$ w; B! e0 X/ y }7 Q/ m
2 ^! R7 n& b; ^- t& Q$ Z4 G7 E
;;setup procedure
- e* p$ y& o/ N) [% h& U' @$ W% P1 |7 o5 _, s% o) H1 D) J' z' D
to setup0 T$ K+ R" i. ?0 H: b+ e$ b! ^
g1 d4 t5 C3 v# |. ]5 m- }0 J
ca
$ V; q; w. ?% h* @" q7 |% U
2 S' |" t# W8 d7 p% m Dinitialize-settings& V/ X. x: {! _4 C" ~$ x7 g
+ W; [4 I U. }0 g Z( B
crt people [setup-turtles]
6 \. C: |8 m/ Y4 N* p+ T- D# y( Y1 e( {% `0 E. W3 E. _
reset-timer
6 z: @9 w/ I& V }4 n1 x/ \
7 S& }$ ^8 |+ ~: A; L# |poll-class
2 h6 ~9 E, _9 A: h, h$ s4 |' @3 ~' n& T5 x: i+ M* k
setup-plots$ T/ P3 I( C4 M# T+ f1 x
' D! i# D6 K1 F" s7 O3 Mdo-plots7 D/ N; ]; I) Z: t; p; d m
end, N4 f! p8 @5 w( a8 n$ G" k& O9 x* T
( z, x8 M& Z) Z; Y) T* M
to initialize-settings
3 Y9 g M2 o9 ~9 c b; t
. e1 B+ m5 w, i2 [( F5 I G* Sset global-reputation-list []
* u2 k- {9 S; X/ T% r& x n* n. ]0 Y3 l& B1 `8 R+ P$ ^
set credibility-list n-values people [0.5]# e* z; g- h! o5 J
# q1 {- |, U# ^- _2 M9 [" h
set honest-service 00 L: M& }: R5 J- e. a# G$ K
8 C, N9 P) w3 m5 E) Iset unhonest-service 0
% P, T" O; S2 s" a8 m
( J' g- M4 P' ]: qset oscillation 0/ Z7 p& N& R7 u0 B3 g
, F( G3 s( h, e0 R% s) i+ Z
set rand-dynamic 09 Z) w# a: L, a$ }1 w
end$ X: @, i k9 M$ f: B9 ~) l- e# ?/ _
! U) Z* H$ |4 G9 A+ q) Y: V
to setup-turtles
: j" ?5 M6 M* [! U8 T" o' S# m1 rset shape "person"# |6 V/ B% W A
setxy random-xcor random-ycor
! p$ s: k3 W1 R0 G5 P( Xset trade-record-one []
4 P- M/ a3 G6 {8 R& R2 i2 N5 l* A9 Z0 |8 `- _# E3 m/ j6 N
set trade-record-all n-values people [(list (? + 1) 0 0)] ' Z3 f! G- | y# @; w
. P* Z- X0 L: q8 e( x! fset trade-record-current []
" b% H) R# i( o: m4 m; ^; F w% cset credibility-receive []
8 k8 N# G5 \. I! h0 A/ G& S ?' |set local-reputation 0.5% p6 @! L3 W* Y) N" n! Q
set neighbor-total 0
' K) e* B9 h- V8 d) Vset trade-times-total 0
# U+ g# X% ^9 U$ N; C" ?9 ]9 S0 Kset trade-money-total 02 q( Z: g- f7 S) X
set customer nobody
) |1 {2 }; Y3 q1 e% A" a1 ?4 gset credibility-all n-values people [creat-credibility]3 B. h, s a5 [$ W6 D% G
set credibility n-values people [-1]+ Y9 w) B3 Y- ~+ L% K) H
get-color3 X+ Y, H' h g( q4 f/ b l! ~
& {7 f$ E& b- x6 O
end0 Q7 u0 g* i6 V( ?+ ]
. g8 j) n' U0 o: M" ?+ k7 ~
to-report creat-credibility( H) o6 z7 `; o
report n-values people [0.5]# E% n7 j7 A0 M+ ^1 {/ b
end
0 U) E1 `! ]- f5 ^; o4 G% b! ^; j! U
to setup-plots
7 i- G' b0 a; o/ f- h
4 S. e% {& |' L2 fset xmax 305 A- A l4 v& i
2 o" v* v" g* N0 {4 m4 n
set ymax 1.0
" s }7 _6 v9 U0 u
3 E+ P" p/ I! T# r! Hclear-all-plots- a4 Y" D, B f1 T, J4 {; a1 A
8 K9 v G' a1 Q, S$ B! o/ W9 N( ysetup-plot1, j& ~! y; s8 X) M3 V6 [, J
# w, A& r1 N0 c+ U( z! r/ O
setup-plot2. ?: ~& B' m7 V. \+ C/ k) b
k: B. ]2 {9 {7 Y+ U b7 usetup-plot3
+ \5 |% R9 o9 Z% \6 c. O4 o# s" wend6 R! K% z- u( V; _
. T: k8 [; Z C. j* B" u
;;run time procedures4 V7 c- m! n8 Q
$ x' x/ `+ f( v5 `# jto go
9 e& u, @+ d% B6 M) T% a
1 d- @! J+ L3 F! P$ A% U: P* z' aask turtles [do-business]% E! ^, _5 y" W/ r0 I0 q; p6 o
end) {$ l0 A2 {$ f, l: t
$ v. n" U) `8 _( ?- Y7 A( [
to do-business " k, {5 a; {: p
0 _! |$ ?* X1 G0 l& \
7 h8 b- W" G: i* m; p5 x' A$ {
rt random 360
9 O1 p# ? B5 {$ L( W$ Z$ Y1 l f3 m: I$ y9 M
fd 1
. M2 z6 ^* P! m; e) |* o2 K" z7 j" u1 ]) x3 T1 C
ifelse(other turtles-here != nobody)[
* G5 k7 x, s* O5 M/ y; ]! z, X
5 G& x% P3 f `% L' f# \+ W: c }set customer one-of other turtles-here& L: ?! D! @3 w! ~
3 H9 Z! ]) V7 A7 a: Z
;; set [customer] of customer myself, y) I: T; J" ?) Z$ a9 Y
$ r5 v, X. O. U. ^# i. Nset [trade-record-one] of self item (([who] of customer) - 1)
! v4 z. Z" {/ v" R[trade-record-all]of self
3 z' w j& |' ]. a* P/ c* ^;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
( g6 `( ?* M3 B7 A8 x+ W# O5 A+ H, ?, H' g }6 @
set [trade-record-one] of customer item (([who] of self) - 1)$ f% A0 C+ v% p6 U, x) h
[trade-record-all]of customer1 `7 V& o- q- j" m
2 O$ j( s) j* l( v& A9 Gset [trade-record-one-len] of self length [trade-record-one] of self
9 y. D% ]! d* ^% {+ p- \6 m$ }6 ~3 @; N7 }6 K, B
set trade-record-current( list (timer) (random money-upper-limit))6 }. M, e9 V: a* t$ n
$ f! ]1 O8 G! Z. n
ask self [do-trust]
0 l$ N6 S1 B0 R( Q;;先求i对j的信任度
) M& B- Q: m( p3 T. p$ t' R8 H; r) V% k6 G
if ([trust-ok] of self)& W5 S; w$ r) |( L: T+ _
;;根据i对j的信任度来决定是否与j进行交易[
9 ~; _0 T4 l Gask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself! u8 e; L! S6 I* B) ~$ s( m
1 G+ X; J e: a8 d# `# x
[- P$ M" J: p* k1 o" I, X5 B0 E
0 s4 j: P2 \" M
do-trade
& a3 W5 ]; S/ {+ c* \% _) r6 k1 k) U
update-credibility-ijl
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update-credibility-list6 ]) {9 i. V7 \2 Y* L
! k8 ^2 z! @9 q; u) Q
3 {' s, X0 _- P4 g$ \: t" ]* W
update-global-reputation-list
0 C5 S# r* Y, O! w' E" {5 x) \. C7 W
poll-class+ w4 y& w$ D! |8 n1 R( B. W
0 u$ Z4 Z7 z. N; a |0 ]; \get-color
1 n/ D6 b5 b4 U, G5 E' m' `* b7 B! v4 ^
]]4 N/ T, V! E3 Z0 ^) ?5 x" O
0 q* I# `7 W( e+ o7 }* o1 ^1 a;;如果所得的信任度满足条件,则进行交易3 X1 z8 j8 y* E5 d/ p
3 t/ D w1 J7 P1 {7 C( \! a( r% r
[
( |% U' [$ b. |( M+ y4 V; V/ x) W8 I4 d; k! Y% Y2 }
rt random 360
9 } a* R0 L0 X: O ^; F! Q" y! `3 y4 p0 S% `2 q
fd 1
* D1 d/ B5 L! ]% X$ W, w/ t. U/ J- {2 ~' B, @+ G
]- G+ m+ h* u: S- G! z5 x
# d$ u# U9 L1 W) _end
) j, @0 z6 ]$ O7 r8 n7 A' X
' V/ U) R( |9 l- n( ]/ @to do-trust
* t+ @# M& J1 D: l+ b9 ]set trust-ok False% X5 T: K" X8 k; P. Y
% z0 w9 Z5 b; j& i/ g( l( I. W# q# c. @1 I. z9 i6 n! P. o
let max-trade-times 0! d- a4 L9 z2 v7 k( _( F1 o
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
; o/ Y! Q9 w! blet max-trade-money 0; o4 u) ~; c( G5 R: j Y/ s
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
& @7 c! T0 x; _( P4 p- H. x5 tlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))7 x6 c J) @$ Y( n) |/ R D7 h
6 {6 g7 _! Y g& l% ^/ h9 p* m
, X" L% t2 j( ?6 ?& Kget-global-proportion5 Q% B/ W( P( F4 V
let trust-value: y! k2 ?' |$ P, l. ?
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)
, V. L4 T- t! s' Uif(trust-value > trade-trust-value)2 T8 G$ K+ w6 f
[set trust-ok true]5 s- y' A% U; l {4 w
end2 V4 E6 A) u {' _% N+ S
. w8 W: c$ r. ?' V. z- J* M7 u
to get-global-proportion9 `- \( h7 C2 _+ V- I: [( j6 S
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. ~0 b6 X! K8 w5 O9 ?: b[set global-proportion 0]+ ?) I0 l1 C& l: f
[let i 0
' E _" z1 ` A: ^let sum-money 0
$ e5 a: X/ }/ v, j" B' Z" \1 L' ]while[ i < people]
6 y3 {5 ~8 }; f. Q+ \! P[
! ?& n( R1 K; O R2 cif( length (item i {9 c) C, k; C: `8 h7 s( _
[trade-record-all] of customer) > 3 ), R# H' P) g/ Q v5 c
[% b; v9 r1 t! P- p0 {* M1 R( F) W
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
* P4 P; a; [8 x# b7 h+ q. i]
/ L; D: m5 t7 C: \) Y' x]
$ A! G% `1 @) X/ i2 d2 o# F. r8 jlet j 07 y% C( @# {9 b$ I* d
let note 0
7 p( Y7 W1 o8 Gwhile[ j < people]
8 ^, @3 C* b; L. R: m[
}) S' I, K% b; Fif( length (item i
; L2 n. P% ?1 `9 J7 m[trade-record-all] of customer) > 3 )& U* c$ `6 R; T$ |) U6 S( \. e
[' }& O% w0 c& A& p" @
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
1 m! s# ?* Q& }: ?5 S[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
& D6 t; X' O1 H7 h4 P[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]) \7 N2 A& c$ x2 o( t
]5 H2 S. d( u: o5 w. Z5 V$ i9 n4 c
]
/ C9 J7 L; g4 T. tset global-proportion note
3 F* e3 J9 _/ S/ T$ f- z]
8 s( N; Q( G+ V5 E. Jend3 ~0 B+ X5 Q: [
: F' I3 r6 v* X4 `( y% S
to do-trade
4 k' V' a$ Q& z# p# r3 Z, I( p. y;;这个过程实际上是给双方作出评价的过程
, ?8 U! a2 N- lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价$ F1 @' Y$ d$ b# J
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价 r, h9 n5 ?5 O9 o
set trade-record-current lput(timer) trade-record-current' E. x& o! b) \* ~3 n0 `
;;评价时间; A2 ~& x; }* g/ s; v
ask myself [0 f1 x1 a" m3 g
update-local-reputation& V9 Q- g9 ~& m% ^
set trade-record-current lput([local-reputation] of myself) trade-record-current
, S' [6 X9 E( E) V4 V5 ~2 I# l2 E]
5 M% c5 l* Z, Xset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
: n) G4 I, n1 o, b1 @;;将此次交易的记录加入到trade-record-one中
0 s: o: ?* h# k) Zset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)5 f1 ]8 o1 {( a: [/ D1 M
let note (item 2 trade-record-current )4 H" I. Y7 ^( c6 w( K2 x9 `+ t' w
set trade-record-current
. j1 p; V& i# [9 w(replace-item 2 trade-record-current (item 3 trade-record-current))6 R; r: Q6 D( N7 x( n
set trade-record-current0 L. B% ^! E* ]" k, j: y
(replace-item 3 trade-record-current note)
- @' e0 m( b t/ [9 v5 C# T( J
# D! S6 \2 M$ y- c
ask customer [
. V$ O5 X4 q, G: X) n& b3 \update-local-reputation
\) {8 ~$ n% E- C8 s: H# Y$ |/ E9 ]% ^set trade-record-current
6 J" a8 A- q( @5 P(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
4 W G# p6 l5 Z8 Z7 n! P- }]9 j# i. V8 q5 v$ t b* h2 d0 h! ~
. F3 @# z! j$ u
+ v0 C" E* h$ y6 ^3 H- n/ V5 e
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer" s- g5 q3 B- R/ x+ u- f$ y
( o0 a6 X5 b: _9 q. f
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
3 p9 ]' u* c) l( }& K;;将此次交易的记录加入到customer的trade-record-all中( A2 n o/ l4 y2 T7 P4 D
end& C) o* [7 d% N: x: q& a
0 x7 L! Y9 |& _2 b& Y G. Xto update-local-reputation( _. P1 e9 k* I2 u& d, o$ I
set [trade-record-one-len] of myself length [trade-record-one] of myself3 Y N: e7 z. Z* T; G* Y
) O4 S/ q7 s% c/ `: m q$ O" I: z5 x' c, m- G/ g& T1 e/ l& T
;;if [trade-record-one-len] of myself > 3 & d: t! M1 x+ q% \$ v
update-neighbor-total5 \9 h2 r3 h6 O9 V) R
;;更新邻居节点的数目,在此进行* T! S; _ T4 u
let i 3
: @; A9 L, S+ j, }, |4 L+ |let sum-time 01 W; ]* U7 B) O' r- S6 n" Z, Y5 H
while[i < [trade-record-one-len] of myself]
1 `0 r3 ^' m3 k4 ~, v2 A[4 m8 F9 A2 G$ H: _3 s
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ). @: u. H) d4 _% _# N/ J
set i
, v0 o) h" X. t1 Y( i + 1)+ Q; L% f) k4 ^" G9 F
]
d$ ^5 Q4 r5 Zlet j 37 n' k" ?% c& j' _9 D
let sum-money 0
r, n3 S( y. iwhile[j < [trade-record-one-len] of myself]
! z7 s# P$ D t0 H# y( A2 P% ~[
. Q; J7 O! |8 D, i gset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)7 F- n1 s; r' p
set j
& g- | W& y7 u( j + 1)
/ Z _; Q- ]# S! g$ ~. ~3 w]/ w0 j2 Y v' _, m/ ^. u" Q: z
let k 3
* l5 {& |& i9 G7 ?/ \" X6 klet power 0
7 D7 Q' E" Y H8 O# Mlet local 0- R4 Z) o" k8 f; B! e# c: e: o6 g
while [k <[trade-record-one-len] of myself]
2 y+ F( v9 J& R; A# `! c[( X* L1 R+ ]2 U7 w
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) " \8 W; O# E+ {& l0 g8 f; o5 B
set k (k + 1)
3 J: K9 u" M3 e! I3 [3 n+ Z]
+ Y. a4 s+ Q. Bset [local-reputation] of myself (local)# i% L0 g/ Z/ G, P5 d
end: Y) i6 k+ d( Z `
" ^ p+ Q$ j' ?) T' eto update-neighbor-total& O L7 Q1 ^1 K3 s# x
* \( ~! q f1 ^! N) P1 g% Rif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
# C1 l7 O1 A$ L- H3 a
5 Z0 Q' h% J4 q) V3 v3 o! x7 B
# {) a p. X& ^end
$ M5 X! N) w+ U% ?) v
, k$ S. @2 B# ?to update-credibility-ijl
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;;思路:每一次,当一个turtle发和另一个turtle成功发生交易作出了评价之后,就去搜索本次交易对象的邻居节点,对这些邻居节点的评价质量作出评价。
& R B* g1 s$ U6 B- R) v% X; f$ Olet l 0 A y" h: U% W3 \) d8 I7 Q( P
while[ l < people ]
1 q3 ?. F/ J9 ^. B9 C6 b;;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: {: O6 \3 ^/ F, P7 E/ r; v' d
[9 d5 C& n' R9 c3 B* [0 X
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
0 Z0 C. D- ]* Y, V! G# c/ F$ cif (trade-record-one-j-l-len > 3)
# e" H2 X2 q. @7 |7 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-one6 d# |& N8 c+ H, b
let i 3 N$ P8 G3 l4 h: g7 c" n
let sum-time 0; M& b9 H" g6 ] v8 R3 C
while[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ), I8 P" h4 w, `& h- V' ?% ^
set i
( j& ^' Q6 n1 K( i + 1)8 v0 ~/ [/ `8 \
]
" y2 x) L8 B6 ?- ulet credibility-i-j-l 0
# ^ S/ [, U/ W: O;;i评价(j对jl的评价)' E0 _# v0 Q9 T3 Q
let j 3
, d; H: s& {# |( X" v3 J1 Zlet k 4
9 v4 w, R( I' zwhile[j < trade-record-one-len]2 z. }' J3 z- \0 F% Q
[
% \' W. h/ N1 G, @5 Xwhile [((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 r J- T9 P8 P+ s# } j+ }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)
# B; u& n7 Z/ B, Z/ Q' Yset j& W/ u1 Z) [. V6 O& }
( j + 1)- ?4 y, ] ^% ^' }" b: _ i
]
/ S2 v1 S S1 O' |6 Kset [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 ))
* F- x1 e. A7 h4 q$ f; I' {* P% ?
& e+ U( s& X6 m! j- d% I" J3 [" O- m t' m* e( q: Z$ W3 j
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
! _6 g9 [6 I2 V7 i Z9 k9 ~;;及时更新i对l的评价质量的评价 V5 y% `. M8 G
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
+ b. P9 r$ ]7 Q! P; T, aset l (l + 1)
/ a$ N. b( Z% f) @0 @# w]
/ S* @1 j" c. f8 U( dend
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to update-credibility-list3 {1 _2 m$ d- k
let i 0
7 Q( I3 F8 @: p# F# F) @; n9 Hwhile[i < people]
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let j 0* K0 I! {+ y) I
let note 09 G' H, z/ }8 ~4 j7 h7 r3 `
let k 0) m3 \7 ]$ s" ?- ~0 H8 O- V! R
;;计作出过评价的邻居节点的数目
$ f& S) v+ }4 ~* H: bwhile[j < people]7 o1 \+ a0 \4 [
[
1 k8 X, j0 c0 s4 t2 V: Qif (item j( [credibility] of turtle (i + 1)) != -1)
, T% ^* p0 b- X# W/ G& r;;判断是否给本turtle的评价质量做出过评价的节点
& B* [" C( P2 a[set note (note + item j ([credibility]of turtle (i + 1)))
: {8 e/ y7 W. m: `. ?. ^- w, \;;*(exp (-(people - 2)))/(people - 2))]
' h6 }8 M- k( H, E6 W0 [; aset k (k + 1)
9 U0 L( e1 a6 m0 k9 F]- I, p! ]0 ~2 b7 } J
set j (j + 1) y5 g0 v# A. R2 J7 M# j7 D& \3 c
]
4 [5 \: _$ Q& S( l9 {% L4 yset note (note *(exp (- (1 / k)))/ k): y' i! V5 ]! r o9 T7 Y5 g
set credibility-list (replace-item i credibility-list note)
5 }$ v( b, l7 ?2 B: Q+ l1 N kset i (i + 1)/ g" K0 j4 X# s% x/ V
]" x+ A' }% m8 ?2 L* z0 }6 a
end* y5 v, R) e m) E
7 T+ c# U( b! v9 W! F# x
to update-global-reputation-list: x, F( H& f& _8 S
let j 01 b* z" A+ |% r, `' L3 Q# B
while[j < people]
H% P# \8 w7 z7 T[7 q* z( ~$ D* e" [( Q: V; x9 T4 y
let new 0
c$ O. c" O2 q' y* J;;暂存新的一个全局声誉/ }, O" E% g+ K4 x! K7 Z
let i 0
+ b `' y- e2 {* L; A6 v. ^, c( tlet sum-money 0- ~6 g) y7 m! C, e# \7 f
let credibility-money 0
2 Y$ d' l1 S: b2 x$ rwhile [i < people]* `. @8 |- N0 v, O5 k9 q2 a. [6 L
[
7 g* q3 O1 s" R& B: @set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
) z6 W2 b, u: U; ~1 I$ a0 l7 g) m% Zset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
( ^) }* L {' v5 sset i (i + 1)0 l8 d, @$ D1 q* D! [
]
V8 D. U6 l+ W5 c; U. X- ]- ?let k 0
8 m* H/ y8 F2 J. s* u" Q% tlet new1 07 T. G" |! n/ u3 x' I
while [k < people]
! G8 x8 q0 h5 _) U, | q5 Q[
# V6 J7 N8 p U" |0 f" Q1 kset 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)
6 M0 S$ K! l6 l3 T" _2 K; aset k (k + 1)1 z: p" R2 n- X6 ?6 X! F& P
]6 t; M' G3 x/ H
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) G+ y$ N t; [" ?# A# o
set global-reputation-list (replace-item j global-reputation-list new)# M$ @; K( H2 R: X) f+ a
set j (j + 1)
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2 J7 n# n1 A. @" Q% dend( P @& d, w- z! `3 \ z' N% w# P
5 d- a+ V1 j/ A
* N+ k, c% |, m* P% P) c& d
- a# s9 F/ F! i! m$ ?to get-color
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set color blue
8 {7 a4 y( B8 N0 X9 Z* _end t& H$ q) R- [ L4 m6 ~) \4 d
0 ?7 g1 [8 f* r b1 @to poll-class
, o- P' _+ q( e8 r' j, p& k! Bend {; s$ ?7 q' s
0 G$ g5 M- j& W
to setup-plot1
& @8 c+ m ]3 {5 Y" E
# c& S& N! I3 }7 U! s2 _4 w. Bset-current-plot "Trends-of-Local-reputation": t$ u+ N/ o" O
7 q6 w; ^' c4 dset-plot-x-range 0 xmax
1 w( ?/ d7 O( j8 y7 g4 u2 t2 c4 n9 V" a) j: M4 k. }
set-plot-y-range 0.0 ymax0 s. ]" O' H" y
end
& v- f I% L( `6 e! @( W' _/ ]2 N/ ^* x
to setup-plot2
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" g. E3 t: I4 W. |set-current-plot "Trends-of-global-reputation"6 P# l5 a! W0 i3 Q3 G
% ^$ x. @2 q& c6 g6 I
set-plot-x-range 0 xmax7 w" h, b2 ]7 F5 s, `4 d) m
) O( j$ R% K* h
set-plot-y-range 0.0 ymax
# V- k8 O; J3 p1 l# Z2 Nend5 `0 J6 M8 Q& P, K2 ~8 b8 a
3 s F* e" K" `: X7 R+ ^5 ]& y& N$ J
to setup-plot3# q1 x+ M$ z5 c0 c2 I8 V, i2 ]
s; K) Y3 V4 a" A r5 B7 h) {set-current-plot "Trends-of-credibility"
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1 i& C& F' f% N. B7 |, i9 j& x7 zset-plot-x-range 0 xmax" [. e1 n5 e* a5 P2 s. C2 |% c
* t, e. I0 D( l% B+ S& Yset-plot-y-range 0.0 ymax
! G* `# j( R' h+ ]end$ G4 b+ g5 H4 F" _3 ^
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to do-plots
7 g, C, i$ `% h* C3 y tset-current-plot "Trends-of-Local-reputation"
$ d% w% M" \* {4 X4 V! cset-current-plot-pen "Honest service"5 \9 w1 z( M% L5 ?4 p
end
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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