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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" J( R' @9 p& x2 |+ l% e
globals[
4 @- g, C2 s. l, ?1 ?" _xmax: R& e9 _4 `) f% V5 D: ~; S5 K
ymax
/ c B7 ~( k* u/ L' s1 M% Cglobal-reputation-list
% Q$ k8 n0 j' Z9 U! e
! q( \: S5 @( j2 D; ]# G;;每一个turtle的全局声誉都存在此LIST中
1 h$ u+ c2 I% n P- Qcredibility-list
3 t8 Z, t. J7 D1 A+ |, B9 M/ n;;每一个turtle的评价可信度
5 o9 z; d `& `( S c- E$ zhonest-service' i% C h2 x) x! S9 ]- e2 y
unhonest-service
: s& U3 p' |2 Y1 W+ }oscillation
/ e' N& e R0 m+ _rand-dynamic e) M$ c0 Y& z* Z3 M5 q
]
$ ?7 G' V3 s4 ^, h2 }* Q! P6 G! h
# T$ h7 v2 E: ?/ ~! T6 `turtles-own[
/ N5 L. l3 i- K# x5 o5 dtrade-record-all
* ?% X6 ? `! U8 @6 _3 S! L;;a list of lists,由trade-record-one组成
& u1 n( a# `2 G! Ztrade-record-one" v! t) |1 r4 t; [8 S9 r! m! L( h
;;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 V9 n! D9 q& L- z* @# ]+ t0 i+ w: ^; b! T
/ a ^1 q8 ~2 T; |/ H
;;[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]]# x+ {' Z; F* R' L8 ~& o
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]
, \) z/ V7 D5 d0 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list
: k5 `2 }) o" T9 P9 I9 e+ f6 bneighbor-total& [/ [8 _# r7 ]. ^: R0 _
;;记录该turtle的邻居节点的数目8 `# [+ W" n+ r- ?
trade-time I% y8 V5 c, p' w# K, g
;;当前发生交易的turtle的交易时间 b7 z% N3 C8 j* N
appraise-give5 F5 S# z# I/ X9 ~
;;当前发生交易时给出的评价5 z' u+ y' U8 n# s
appraise-receive% s1 a9 f, c0 a0 i; u0 o$ y, L
;;当前发生交易时收到的评价
$ x! {8 a% }$ S* F" r/ `+ ]; b2 g2 Mappraise-time
- Z8 O) c& y$ V o2 V;;当前发生交易时的评价时间% i' }% A2 K% y2 ~) N. s# U- u
local-reputation-now;;此次交易后相对于对方turtle的局部声誉4 i, N% ~8 }* j0 n
trade-times-total0 p' h2 s: d5 B- }; _5 X. a) m# ^
;;与当前turtle的交易总次数
/ k' _0 P' x* f. t2 j1 Etrade-money-total& p& G% W0 c' y
;;与当前turtle的交易总金额
; S2 l* B) U. j r# zlocal-reputation2 C4 z7 Y/ e0 k2 U4 Q% C
global-reputation1 o7 l9 @ w9 u
credibility" U2 x: g% J' [0 ]1 l0 T
;;评价可信度,每次交易后都需要更新( W& B" ~+ p( b) ?0 Q7 x. h
credibility-all
8 t% `5 H" J* s. z* Y/ E: ^;;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
1 M0 O8 y$ |0 m/ z) e; q1 w3 l" t; q, I' E: \0 {$ P
;;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0.55 h" Y8 O# y' }% c$ ?
credibility-one' F0 r h R# r) n7 r! h' B+ G
;;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: e5 W2 B }: [, N1 i1 i
global-proportion
6 x. e4 C/ D! {. i3 k i! w) bcustomer
, w5 X& W N( I; ~customer-no, P1 ^; J# p) L
trust-ok3 c4 P& t9 N' A
trade-record-one-len;;trade-record-one的长度; v. C* q/ e9 ]! g) q* B
]. z n+ |9 M4 X0 y) m+ [: N' J
- @6 I# L$ ]% f4 u! B" F; J- K
;;setup procedure) [3 v+ G S$ f( N% ~: d
' D2 B" t" `) k( i0 L
to setup
9 r) e% D0 ]4 K
- s. o/ ~7 q5 Tca5 k4 K+ N# [( M: ?7 Q
' t/ C( v$ J o% l
initialize-settings9 Y# E6 j1 b0 j& A, f1 |# m/ s
$ [1 i* K3 ^: z- |+ hcrt people [setup-turtles]& b% y. d3 r3 ~! q( j# _* b
4 e$ M( G" J' Wreset-timer
$ ]" ^8 a0 P R( R( g" S8 f
4 G: d! J& L! G6 [" Z# W }/ Hpoll-class0 v) U3 e; ^2 A' |# C7 ]( S
. g+ b/ ]& l4 M2 `7 c" b" o0 dsetup-plots
$ h0 U" w1 M& m) C1 a# N
( ~- _$ `/ _/ a" @2 m6 C$ ?# B; Mdo-plots
2 o0 V8 H4 g) T: ^' L! s& z! C, Aend
) K; T' E5 J2 u7 ~( H3 u3 }
6 L6 L. N/ e+ p n6 T3 _to initialize-settings
% L3 | ~4 q. U
2 U0 H5 `$ ]$ L; S" n/ z& u6 o+ Gset global-reputation-list []
/ x( V+ t0 T0 a
& T7 _) D3 \4 i! P! R. Nset credibility-list n-values people [0.5]
2 N% s' h8 B' j* l
9 M } `* D7 ~set honest-service 0
$ v! z4 A% _1 i; m# h- g1 q6 d7 W
set unhonest-service 0. ~" a1 G& t/ Y9 a5 B1 l( q
! p2 v6 D _3 r6 \( ?6 Q: y
set oscillation 0$ r/ E; [+ q+ u' \3 Y! E; x9 Y' y
6 w$ C6 j8 S) @/ a. b9 n [set rand-dynamic 0
- Y( W3 q% L: J2 x! kend$ P% F; ], A3 Z5 H! S
8 y, {9 { }3 }) U3 F1 p1 j" Tto setup-turtles
! h5 L2 [8 O' v( w+ q' p$ gset shape "person"2 s) c K, d) z& A! S5 V! K
setxy random-xcor random-ycor
, i3 O# W& ]) H3 K& r* jset trade-record-one []- G: s. d! R. _% w
' f' T& G8 f* G9 I1 @4 T! X( o
set trade-record-all n-values people [(list (? + 1) 0 0)]
; n5 x" `0 W+ J7 B, K
4 r" f: ~* ?/ |* w# p2 u4 E3 X+ tset trade-record-current []
& @% H2 ^+ C6 g- C4 U9 G3 Hset credibility-receive []
" j4 [% I* y9 ?. J2 Z) M( Y% qset local-reputation 0.56 J" H4 x4 c+ ~9 ]
set neighbor-total 0
+ G( X% J5 S" [6 ?) K" yset trade-times-total 0
% j0 n' W& q! Uset trade-money-total 0
( B ~8 s, `' vset customer nobody4 H& K* @/ L5 d6 J9 l
set credibility-all n-values people [creat-credibility]
. \7 h: v& k: e4 O' b% jset credibility n-values people [-1]
" a% B+ N) C ?' S/ D; S0 z. Z9 z# c. yget-color
& e: X4 F0 g1 r; M' f5 g9 g5 m9 z+ C0 s
end
" ]5 V& ^4 w" h& k3 I; x0 S: J/ a( ]# {9 Q
to-report creat-credibility
) ~ Q9 V- H! I. A/ freport n-values people [0.5]% e9 u$ ]; T8 s1 ]) V9 G% K
end
2 | N* H" F! T T( G' W
5 j5 n c0 i$ u) m: p: fto setup-plots* K/ n l1 r- [/ E8 x, i
, a' A& H) ]/ |
set xmax 30; K9 k; X& m, f! [) C" I
7 p; K) F1 l/ r# }, L2 X. gset ymax 1.0 i5 [3 ^7 A9 ?$ {' {9 S
: U, n/ t( f: \- U! F+ K
clear-all-plots) q: ?: L I/ k
4 T5 w' ?+ `0 {8 P# X* h& i6 dsetup-plot16 [$ b* a1 e5 A: g8 Y. D' b. n
0 c. R: }/ ^; z+ ~setup-plot2
1 W! |. h) \* t3 R; K+ f0 K0 s+ x7 Y$ {! p) t6 m& [/ e
setup-plot31 d0 m8 z: d' u! n* A
end: ?# ?2 [* }( K% r( m6 e
! b: l& Y& y% _8 r# y;;run time procedures1 T& ~% E0 ?, [6 Z
& v" [/ c. s! X" ]) S$ x
to go3 I& f9 m+ z8 A1 a: G/ Y2 v
7 @* x$ Q6 m: B, Wask turtles [do-business]
- j+ c2 {% t5 T3 Pend
3 [6 w! q) F2 C! S1 o' c
/ T* S# ^& _0 G% Zto do-business
u7 I6 p, R4 J# ~+ v! W- B$ P5 N/ P0 M: i! I0 F. ^
* ?) _/ F# w* |! T. J( urt random 360, N5 l) r7 f$ c6 ]4 e. R. a9 Q
, T! }8 v7 } G" Y1 @ _fd 1& ]0 A* n' y- N( D2 f# G
! [3 F. W6 a w$ _5 Jifelse(other turtles-here != nobody)[
0 k& N* T1 Y' Z% W3 \6 W2 g" W8 r5 s% V3 D+ B
set customer one-of other turtles-here+ t& p4 c1 ~3 R& O
- h! ]+ Y! N# j1 }% B# B3 L;; set [customer] of customer myself
9 m$ K9 E+ }' k f% L6 Q3 Q' F
$ n) t/ a0 F3 W, m8 iset [trade-record-one] of self item (([who] of customer) - 1)2 {+ t7 y* t# U
[trade-record-all]of self- P+ T, w" N# K7 U
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
/ T( Q6 Y$ x& s* ]$ g% w0 c9 e Z0 S& b7 Q
set [trade-record-one] of customer item (([who] of self) - 1)5 q* d. |% |! J O- r
[trade-record-all]of customer
/ u; Y. s0 n( N! P$ u }; M- j2 C; i0 Q* M
set [trade-record-one-len] of self length [trade-record-one] of self
& Y& b$ o4 E' Y0 \* ?. K6 Y8 E% n; G- w I& q! p6 P. ^1 N
set trade-record-current( list (timer) (random money-upper-limit))
n# z( m1 }0 {4 V/ R9 G& R r( u& o1 O6 c9 i. W& U5 f
ask self [do-trust]. j4 P6 k: D/ C# |+ J) ]
;;先求i对j的信任度
* h. V8 v$ i4 S- }% m: Q& ^6 Y
$ I; _, O1 w% n2 U% c2 pif ([trust-ok] of self)4 w' j) n1 Q; |! {
;;根据i对j的信任度来决定是否与j进行交易[" i8 @9 ~( \3 F6 h7 P; Y2 t
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
8 }' P- x# T, ]" m# H- Y4 D- M" m$ F& {& D4 l, u
[
0 q4 N: g* Y2 J& ]5 m- S* |# z8 ?3 \8 u. F# K3 D4 ~
do-trade
# ^/ u. C- j" Z* m
b* Z- j0 E) V1 ^/ j% tupdate-credibility-ijl
0 M& A. h8 h C4 ^' b x! K! z# y" j p9 |2 ]/ Z
update-credibility-list
& o# t- D& {& d# A6 F
\7 z) r2 Q( ?, J) r& e9 r) U% Q( K; g5 J" W( W: @. x% b
update-global-reputation-list
' u; t3 x6 M. c$ a$ p) g- K" a; c1 y8 m" I- C0 i
poll-class6 `4 t2 ]% F" i
3 w* \( t1 u1 {9 v7 m
get-color
/ Q/ S7 d B$ V# W) C; s( F
2 l0 s- R( k( |/ N( }% A' E]]
: ~5 w- M# ]4 D9 `9 c" i- [1 A+ K* d# ^
;;如果所得的信任度满足条件,则进行交易$ e" H' y9 Y9 n7 f1 c/ w
; h, h! W; t0 @: x" ~. K[
) g) {( s% n, }9 }& T; C3 Z' e5 i' n+ G- ^6 F
rt random 360
7 s5 v* e: @& i9 K5 v2 q% d2 a2 ^9 x4 u" T. m
fd 1
8 D( A% N% r$ d0 j$ y3 ]- s G, G. s% D: ]/ W) _
]1 _5 l ?% i( T7 R. ?4 A/ ~" H7 P
3 @4 [9 }& h, Y& _* K
end5 T; p' W( A3 E
0 ^8 C8 E7 r4 V ~9 y% Tto do-trust
4 X z/ l" r! a' c9 Oset trust-ok False* r2 t/ L+ ^% e* ?! T' D
5 \8 _3 ]" J$ Y. @
/ Z u# C6 |) e3 D! N: c, U' h
let max-trade-times 0
- O7 X' T; D5 P/ s$ ~1 u3 bforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
1 K2 g _" J# b* A5 ]let max-trade-money 0
8 O: C/ l+ |) W1 J# s/ Pforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
9 b7 ]" g/ O( ~let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
1 Y# ?$ G, V) g7 Q: v" A
9 v- \1 a$ O) r, l9 ^! j+ P& V! o5 j( g. q+ O7 P. h
get-global-proportion1 `- M! m+ @1 s
let trust-value
2 K& ~6 I8 s. {5 W3 P% olocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
! ]+ @+ N- Z7 {' }. B. n7 `$ K0 yif(trust-value > trade-trust-value)
/ [) k/ j9 P# |5 @% a8 k[set trust-ok true]; A- O0 C$ k8 G- d0 W
end
c8 d5 n. M9 N8 u% N( J
6 O. e% R" Q! i; @- _$ oto get-global-proportion. y0 S: i- J0 D9 v# ?# p
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
" v3 ]$ x, C* t8 W/ x[set global-proportion 0] N+ g9 E% C3 T
[let i 09 |( e ?6 J7 O$ |8 {; O
let sum-money 0
. C- q! Y2 Y' p. _while[ i < people]; u, \2 z% V7 C8 u6 J
[
. X G- N4 m7 b! A3 z4 F; gif( length (item i
! T- i( X" ^; R[trade-record-all] of customer) > 3 ); ~" Y. @) w; Q& k
[
0 s/ ?$ O7 F% l) Q# {( Q+ W7 q6 |set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
* x3 g9 l) ?7 L" u]" g" z- y# b( V$ ?7 h4 s
]
`7 I b$ X3 t# A. elet j 0& N" b/ x$ k9 f2 x
let note 0
- m! i" ?5 a( i9 jwhile[ j < people]
! @+ ? G1 l0 p( m0 @5 c[
" ?* L3 r, d& O6 q b# o+ cif( length (item i
" Y7 c, c; N) g4 ~, ]/ p[trade-record-all] of customer) > 3 )! b- h* i3 l, N& t) Q7 o. {" V
[
! v% k; y9 \# r9 iifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
) p0 q4 u2 a e8 M% q& O[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
7 V8 _* t$ h7 M, P[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]) d( E3 ~) a6 q- E
]6 O1 l: b$ a1 M$ N k' n2 N
]
; k; X8 s6 P9 j4 U2 g0 ^set global-proportion note
/ y* Q" g% n$ V* P6 w* G8 G]+ W4 @' k. H9 X
end
. A# e$ E1 u; u' T4 c
! D* v G3 W! Xto do-trade
( _ s# b& u3 J;;这个过程实际上是给双方作出评价的过程! k( p6 j2 P: ?$ G, t. A6 C
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价- a! Y; a' Y) U) V0 y- P& y9 |
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价0 j& Z) R, [0 W3 s* {# B0 P
set trade-record-current lput(timer) trade-record-current
& _& M- W5 v! e( a;;评价时间* @. j1 d S7 L. C- K
ask myself [
' g: x! q0 Y; b2 j# a: Tupdate-local-reputation
2 \% N/ L, z. W/ n; {/ Hset trade-record-current lput([local-reputation] of myself) trade-record-current
) I# E9 v$ A& Q3 O) x]
( C3 g7 x/ i2 } ~4 T* { kset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
- Y1 v- [/ e. O8 `# m' i;;将此次交易的记录加入到trade-record-one中% x; S6 G9 ?. P) G) p. H) {8 C
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)( f$ Y; C4 I* x w) N
let note (item 2 trade-record-current )8 J8 r* [8 N' P P' s5 y! X
set trade-record-current
7 E* |: e' v9 S) W(replace-item 2 trade-record-current (item 3 trade-record-current))$ {% s4 O% O! {0 Z( N9 F7 S
set trade-record-current
4 j/ P) u+ D/ d2 a9 q: J, U(replace-item 3 trade-record-current note)
$ {- B) [& ~* F: ?6 v. `3 m, z5 H1 a& O' h3 y: N" l. I( f/ Y
. B* g$ u6 Y) }/ ^( T
ask customer [% i) s5 c4 O9 ^) O$ I
update-local-reputation
* E, C+ c1 ?: k0 I% Q7 zset trade-record-current
7 r" A7 i% V& l* M(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) % b8 f* i/ e7 [9 w( P
]
. A- N3 k8 M& a H, P' f1 O
3 a) F" d/ H9 X/ n2 Z
$ w% k9 g3 |6 F- C# I+ _2 mset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer. a4 |$ n: m* c, F" Y" e0 p
8 v* w- {, @0 C4 h* bset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))% p8 S3 z i) z% j6 q$ x
;;将此次交易的记录加入到customer的trade-record-all中1 F- f p6 n: C2 \
end
% O! Z7 W6 z5 x3 p4 n. D/ c k
1 \) F' V1 d$ |; u/ y, D Cto update-local-reputation
3 A) j, C, h& S$ H% b6 p1 ^& a- {( Kset [trade-record-one-len] of myself length [trade-record-one] of myself
# ]4 _* z: ]* S* p( d1 K9 ?- u" Q8 T4 ^
* k1 u! m2 I: C* C/ R9 u7 H;;if [trade-record-one-len] of myself > 3
; U0 m3 f2 ~& @3 X' qupdate-neighbor-total+ O5 G; @$ G$ Q/ u& `
;;更新邻居节点的数目,在此进行
/ M0 O+ R1 y- e: zlet i 3
4 v0 E3 t5 v: D. f4 xlet sum-time 0
/ }8 K$ d) G6 z6 q% D2 Hwhile[i < [trade-record-one-len] of myself]
( _; v: n- G9 J ~[& \" T1 i' h6 O9 c: K% F+ u
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )9 V$ o0 r) c ]7 S
set i
0 e* ?+ k" y, x( }3 f5 x( p( i + 1)1 d! S" W/ ~, J" l* G0 E
]
, X8 `+ |0 O* r/ b( n) _+ `3 }let j 3& Q+ k" O, q5 J- P4 ^8 n, T. F# i
let sum-money 0
% V2 ~, V* c: N3 n. |while[j < [trade-record-one-len] of myself]
2 B& m' k( n2 j Z+ p[0 l8 h, K1 B5 B0 F! i7 l
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)3 d/ f7 Z2 x1 v% n
set j
0 Y5 A4 {' j$ l- u9 ?. p9 F& O( j + 1)6 @8 Z. X0 j$ f' n" a5 V7 x
]
4 }" }" Z( Y1 X) Vlet k 3- i2 R1 [% E" S/ S: M
let power 0
1 H# n; N" n0 a3 U* glet local 04 G0 @. r5 k P1 x: B, I, [0 j
while [k <[trade-record-one-len] of myself]5 d# W: e- w/ \ v, L* U
[4 ~: |. O1 d J
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) * s, b) a) \ r
set k (k + 1)2 x% T9 e6 e: I+ l( o
]% a M" ?0 K1 M/ T
set [local-reputation] of myself (local)
+ u+ y# W- }( R* q( F9 _$ hend
+ W% K# {6 L* V: [6 I0 V4 v( N/ X4 w, ^1 Q$ U& ~) w; ?
to update-neighbor-total
; y$ [6 r% _( r, {, b& a2 _8 P3 Q. ]$ e' X% K) `% }' {
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]# d# c, T1 ]4 h1 s+ N/ G& X8 ^
+ M. M3 b7 l! F) c: z
. }+ d- ^0 d! v: s e# @. e. Pend
/ i5 J, a+ N$ ], E; U6 l j7 \: F4 u$ F" @& P7 H8 w7 O5 U
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。
1 S3 U: @8 q& k0 L& klet l 0
# G1 e, @$ F' pwhile[ l < people ]8 w& ]: f; ~* h. J# g
;;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# H0 ]# o* m. P5 f[9 L# T, D' |# G5 r, x
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
# P+ h4 X1 O8 U7 c3 H1 e4 mif (trade-record-one-j-l-len > 3)
# j t: a$ C* l. 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$ w/ y7 b5 |& T) e8 b! L! U
let i 3
+ G4 n0 N9 I/ d3 Vlet sum-time 0. d8 E) Y) s+ k" R! C& m$ U
while[i < trade-record-one-len]/ h$ g. V1 `: X4 y- n" l
[
. G! a/ F& x! c0 k# X" E- aset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
, O. P' [& I3 X t7 Nset i
z% P+ B! j" k5 C( i + 1)0 Q( w: Z1 T( X* U2 @6 y
]% }" o8 O0 D8 \
let credibility-i-j-l 04 g& |. R8 H$ _% a# D
;;i评价(j对jl的评价)
- p+ W$ }- F$ w$ f! dlet j 3
' [$ y, f8 \: J5 ]6 v1 Llet k 4! |( c+ q- B0 u8 d4 {
while[j < trade-record-one-len]
8 O( a* Y. R( X8 Z[( Y4 E5 g r! p! P6 _
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
+ ^- G$ R. v5 x8 Z0 F) R0 Dset 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)! Y+ g! D7 @ P0 I
set j
7 o$ K6 s+ F1 W; r" N. z: P2 v( j + 1)
+ @6 [! G$ O U3 r]
6 H0 ?5 w6 }; W5 G2 j7 j* p* Hset [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 ))+ O* H1 u) f- o G( I3 v* R
; t$ E$ D& ]8 p1 q
! K; Z2 i) D5 W/ D! hlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)) l k4 \8 m1 E% b: S! C* `
;;及时更新i对l的评价质量的评价
, {4 U% E4 U+ v+ l) I" ?. r5 e. Hset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]" V& D1 {. i' G& c' R5 Z- `
set l (l + 1)
, Q3 s' F- P2 B) O8 q]
1 b8 @1 ?9 ~! n9 ?# V# }& @( P7 tend
0 f- R' o5 z4 Z( f6 v# V5 b v6 s9 ?* m5 P
to update-credibility-list
: ^7 U- N, ^! \% B) \2 V; [let i 0
V y1 x' b% o3 k* g$ Mwhile[i < people]* c# `. y3 l; ]% f7 t
[
2 E9 b3 [( u9 @1 O9 f9 F5 hlet j 0
2 N w! R( P3 B1 k# Slet note 0
# x! u( ]/ Q0 j* |let k 0& v5 x3 ^( D0 Q4 ?/ w
;;计作出过评价的邻居节点的数目
4 t2 C8 N* S. b; J: kwhile[j < people]! P( l, G u" e/ t+ k8 b- G
[- \7 C, Y6 } ]3 r3 b
if (item j( [credibility] of turtle (i + 1)) != -1)
1 z: [3 d# v- Q2 O8 T h. v;;判断是否给本turtle的评价质量做出过评价的节点- c3 e7 r: s; Y U2 Z* ]+ y& M
[set note (note + item j ([credibility]of turtle (i + 1)))
% L& S! f1 G! D, g: G+ _;;*(exp (-(people - 2)))/(people - 2))]3 M, _' N+ |2 e3 W
set k (k + 1)
' ?+ m" |' O& e]; e7 Q# G0 ]9 _5 {0 k
set j (j + 1)
, k: \& C6 I5 _! M( m5 k1 w: H]
8 s& J5 m+ s. G/ l' oset note (note *(exp (- (1 / k)))/ k)8 L1 I, z5 o0 g+ P) c0 V7 Y
set credibility-list (replace-item i credibility-list note)
7 ?1 W* i, q' ]) [$ v7 R4 }. uset i (i + 1): C5 {( C# C3 D9 _6 \
]8 t1 t0 ?9 ]5 Z7 F+ Z
end/ v$ u! Y) k; {4 \8 b: A& d. u2 i
B* g2 Z3 ^ d: J$ t! M7 vto update-global-reputation-list
; L, u6 u H" ` I: X7 |: A8 L: c4 S6 llet j 0
$ E" _2 Y4 w( Y) Owhile[j < people]# `: [ `) R7 U9 @' w
[
" E; f% \$ h0 Hlet new 0
) E% k9 D% C# t Y! m/ w/ R% u;;暂存新的一个全局声誉
: r5 X1 C' C% h9 Ulet i 0, ^/ E* ]3 x; \8 V6 h k
let sum-money 0
) N* x8 F6 B" l3 v- D, B Vlet credibility-money 0- U: g) F, Z5 f6 l) Y4 y
while [i < people]+ r- s' j% _( a
[
( K9 d: I# x8 x1 Zset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
! K) m" k& P# Z zset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
7 n/ H5 H3 q2 r0 m$ d9 z+ h' ]) Bset i (i + 1)' X6 n" H9 p, W- Y; i4 a
]
5 M" C' {. N" jlet k 0
; f* M* x$ q5 N8 c# x+ xlet new1 0. a" U* P* e. X( a9 ^( ?' a J
while [k < people]) [9 ]: M! z: ^& d% e0 d
[* `) v9 @7 P7 p) p& W7 K- D
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)
' q# H% D' S3 y2 jset k (k + 1), C. s6 s: v+ x* W) R
]
0 ^. n/ }6 f8 l/ sset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
: i1 v0 q* k' X1 U4 a" r. T) {set global-reputation-list (replace-item j global-reputation-list new)$ W- Z0 _9 u' h# U
set j (j + 1)$ Y+ P! e/ e, n( O
]( p3 B( u8 q6 u5 B5 t5 P/ }' h7 s
end K# Z4 U' U9 ` R
6 }6 ~" r- T! k) ^0 V: g$ [. `4 m% r8 w* V
% y% t* N5 u1 `' F- b
to get-color4 y/ _% d i7 K4 c' V; _
0 V6 o5 J8 `4 a! T( c- o
set color blue X8 @ F7 f& U. E
end
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to poll-class! j/ v, m O3 `; {8 E
end& G! B! o# l+ K" I5 @
2 V5 n& j5 ^1 j) d4 dto setup-plot19 X( k. ~3 t* _' M0 k4 d2 \8 Y* q2 ~% s
. T$ h% T0 j! s0 F; K0 m& Bset-current-plot "Trends-of-Local-reputation"
9 Q* g4 T1 k2 l$ s* X
1 y" l5 Q' L0 [set-plot-x-range 0 xmax
: x: n. u. m2 ~$ V7 X) Y/ h4 K
- r/ }6 o3 k3 N- H" H3 b. H- oset-plot-y-range 0.0 ymax% G7 E" G% j7 @# a
end' s: m/ ]) R3 i; I" f4 |, S# _" G) ]9 Z
, I8 I7 E j+ w( k" Zto setup-plot2
) R5 b5 Y5 v1 y* M {
0 h; J8 w7 t" U* I& g& d+ vset-current-plot "Trends-of-global-reputation"% ]1 b! g1 C/ f% q4 x' g
. H* M. d$ A# B( C0 f
set-plot-x-range 0 xmax
* l' \* h2 c A0 }
( H X; k# W' ^( k& Fset-plot-y-range 0.0 ymax( Q l' C# a& K2 I
end
2 T' t5 G! [6 D8 i1 f! S' O2 ?: ^( ~! X8 ^/ i. [2 F
to setup-plot31 U3 g' m0 n7 x q
/ d- p& K* M( A+ x0 ]9 K$ r. {
set-current-plot "Trends-of-credibility"
) @+ U5 I* ]6 Q0 Z% {9 x
$ c) l" ^2 J/ [) P5 iset-plot-x-range 0 xmax
# d: B7 x8 s% V* w: P
3 Q. x- q" a$ N& {- ~% B: pset-plot-y-range 0.0 ymax( L3 y" `8 I0 T: x) W/ j
end" `: K0 ~2 a+ S- y
7 \) B m5 d2 E5 Ito do-plots9 b0 H( R$ a& Z8 }- j5 v. T2 v
set-current-plot "Trends-of-Local-reputation"; Q$ M4 \. o- [7 {5 M; x* o3 P6 s
set-current-plot-pen "Honest service"
! x) A* _# G) T8 M, Send( o3 e" Q$ C0 E
, R& L: z* B" `5 M[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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