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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 [1 P; ^* z$ e/ x; o# u/ }: c
globals[
3 h0 o r0 i8 O& C! A6 E' ?xmax2 Y* t/ S( b0 I& g7 h+ V
ymax
/ U' |- d3 @2 O4 sglobal-reputation-list
0 x7 I: j. s1 n% ^+ g
. A: ^: E8 Q8 W: O;;每一个turtle的全局声誉都存在此LIST中! W* Q, b/ y$ p8 s+ j- N6 o1 ]
credibility-list
0 O& }! k& w( p' X' e( q! a;;每一个turtle的评价可信度7 j4 k! I& ?, \: x4 b
honest-service
" d5 ^ I4 p2 d+ `8 Q0 lunhonest-service! I" e) m: c. h3 _
oscillation
# |% d# Z- t" B8 Zrand-dynamic
8 B# K$ C0 @7 }, F$ c]: d: A4 U# a# K. P( I' r
/ w( J/ Q; A% A
turtles-own[
' c9 u3 s" n2 E; u/ k# ?$ jtrade-record-all" x) M$ d& M+ y6 g: R# u
;;a list of lists,由trade-record-one组成
; @% F) |' c3 M+ M2 ]trade-record-one
, h* x0 Y: N, e r& X2 a;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录2 c0 |8 T8 O: j5 q2 I/ Z
g" H8 j8 }, 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]]
K+ c4 d4 e2 J3 ltrade-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]
- V/ C% j! c G0 j6 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list9 F H# ]- C9 F% n, c0 ~
neighbor-total
}" q6 s2 o( X% e( s;;记录该turtle的邻居节点的数目
- O- @0 W& Y# v: ^trade-time
$ }: X4 \7 V3 D6 `1 z;;当前发生交易的turtle的交易时间. Q/ h9 r/ g* I- ^
appraise-give) c- ]* G5 U `
;;当前发生交易时给出的评价- `) g9 ]3 [: j0 q
appraise-receive8 H/ B6 q# N; `: H1 t. V* n4 H
;;当前发生交易时收到的评价
+ ~8 S7 A& {% Fappraise-time
) e% H% Y9 L5 O8 ^- \$ ];;当前发生交易时的评价时间. U* x# K# s) h5 t3 S
local-reputation-now;;此次交易后相对于对方turtle的局部声誉! ]/ u" d; Q5 z7 s$ |. [$ g
trade-times-total
- [9 e: ]0 [! A$ Y' x! Q;;与当前turtle的交易总次数
8 Y! f7 X1 z$ Ytrade-money-total
. U. U9 }/ P1 U;;与当前turtle的交易总金额
2 l% F$ ~ s: t* z3 f6 Elocal-reputation
2 J- Y0 W* g' A. }global-reputation
- H; n4 V* w. g& q7 scredibility
. e8 G4 j5 Q5 u* o4 t1 a: [" p5 q;;评价可信度,每次交易后都需要更新7 B) n8 `) c) S" ~% m+ X
credibility-all
" M8 ]4 y* S+ v" 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
. L, j; \' H" R% y% |0 p4 r! }. }) C' k3 Q7 Q% 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/ f- z& G* S/ `3 Q
credibility-one
- K8 @2 g. ~7 v2 {9 T7 R' e;;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
z! f& u% i4 r; X+ j0 [$ b. pglobal-proportion
* X0 L3 m D zcustomer# o! m4 ?8 }" |. z: M/ O0 a
customer-no
) f( U9 @' x( C" O" \$ c# `- dtrust-ok9 \, X; a: Z# ]! R9 q; O* `' [# g
trade-record-one-len;;trade-record-one的长度
, a0 N; i. h8 M/ X. ?3 i]6 \' m+ B* G2 ^
" o$ O0 x) x: z% _- o
;;setup procedure
9 x" o7 ~# N. q
8 g5 A: s( m/ y' k- U! lto setup
* D/ _1 G4 h& O
6 x' n5 y0 J! @* O: `ca
* ^+ m1 y% F9 {/ g6 u* ~$ J1 V8 l( e; g# Q* h' @7 G
initialize-settings, P% @* ~" W+ G6 S& }3 x4 X) A
4 W) ~3 ~$ D3 K; k! b' Z; {% c5 Wcrt people [setup-turtles]6 t/ |) I; c5 L" y
% [5 c, Y: p- f2 G2 A7 M$ p7 greset-timer' n7 I1 o4 c' x) M6 |5 G
& P* P9 C% Q2 ^2 ?6 B
poll-class
! p" |6 P1 t% P: K( m6 P$ n4 y2 b0 D, x6 v
setup-plots
3 W% ?# Y/ @9 [: p7 c% Y, {( A8 V0 U+ |2 e! K
do-plots
2 O2 g: j. p& \) x% ~end( w% Z% U( C8 S3 T% ?, r
+ r/ _+ a( K( A' I4 b
to initialize-settings7 [9 {5 h/ y0 E; z% F: E9 H. u. T
# h! g" m2 u1 f- t5 j; T5 M
set global-reputation-list []
2 i0 _. E+ w" C: g# m4 }+ {$ f/ ?5 u, X! \ U# k2 f
set credibility-list n-values people [0.5]
% X5 p3 W" T6 a9 U+ s- D& X8 ?
, `9 s! f# [( j6 ]$ kset honest-service 0
, W u: h9 B% O& T# h6 L$ @/ H* S* F8 E" [+ T
set unhonest-service 0
! K6 _7 F; P- q% S4 J" E
2 P/ [* a a4 u9 ^5 l' vset oscillation 0
# n1 M0 E \" t8 {( I
4 Q, Q, m7 A) M$ f& Zset rand-dynamic 0
5 ?% R/ `8 C4 J! C7 Bend
0 s) x2 q* d6 b* H/ o4 u1 C/ f) ]$ T$ T% {
to setup-turtles
5 @7 A! l* h% R0 i7 ~; pset shape "person"
6 B: V7 C/ i0 ~8 } Isetxy random-xcor random-ycor
: e% D, D4 H, K$ r4 ]9 B k4 Rset trade-record-one []
0 ~$ p2 H$ H% y
% q* d: k5 v: H7 | s7 Y- }set trade-record-all n-values people [(list (? + 1) 0 0)] . N2 `6 b" V: S# p3 S+ y
! @% U9 ]5 v( \9 F. P" w
set trade-record-current []6 x9 e0 n4 w; ?) z- S
set credibility-receive []
+ p) Y1 J7 d6 Oset local-reputation 0.5
6 @3 T. K) m0 E5 N$ Nset neighbor-total 0
7 R, f+ H2 y: x1 b: q! wset trade-times-total 0
7 x8 v, I5 J8 ?% i: bset trade-money-total 0
3 c7 e6 Q+ p7 w4 a1 m, mset customer nobody" \. K4 y9 r& Y9 M
set credibility-all n-values people [creat-credibility]
$ K, q8 z' I$ i4 {; y/ Pset credibility n-values people [-1]# B- B, _7 J0 |( U+ l5 j
get-color
4 i5 U0 v" Z& \& o& e8 h3 J3 f
! ^* q8 Z* z5 G) x/ i" [3 }- @, }: iend4 T7 M8 s3 Z" b
2 S+ B. q8 x8 b% }' Y
to-report creat-credibility
" j: h" Y W: B. H: vreport n-values people [0.5]1 Z( V/ T9 f8 c
end" Y6 k9 U- ?4 g; u) X! ]1 w
) X1 z# {) @7 o3 _, Uto setup-plots* `9 ^ o1 b1 z! L0 F
0 [6 M* u9 h3 c2 \1 j# C" rset xmax 30: H0 _; D7 l0 f6 L* X8 z7 o0 K n
. Q( f1 ?! G" d2 _+ pset ymax 1.0' ^5 Y0 j z+ i( z8 _2 h3 P
/ L5 ], K8 x, }clear-all-plots
. _* k d' U5 k7 L& J8 a4 a
7 ~" k/ a2 E7 z" f msetup-plot1" L5 \6 U! E7 A& J. j
0 w% d" E/ c6 _setup-plot2! ^! [5 r* s( `3 |1 n! y: I
, }1 C/ U1 E# `5 |7 ~( ^" usetup-plot3+ m9 h: G4 K; G3 \
end
# T8 C8 P+ r6 T: W7 v" W$ h& G6 D, H3 A- b, Y2 D/ [" F
;;run time procedures3 x# Y! z' U+ C/ Y
; k) L2 k! w; q' o5 ]: z
to go1 M3 S4 A, S+ F/ P7 K
. H. c! z" L3 _3 ~- L1 O* V5 ?ask turtles [do-business]
s0 A% b' n8 }3 z( _4 xend
; p+ W j6 `- ^% e) }0 J8 V! Z; J& J W) n- o" y
to do-business
' V" _/ U, m5 s' z" ?
! Z# _" T0 E6 b, X$ R& \
e% V. K5 E3 irt random 3605 u! o0 d" d1 K+ Z$ L/ ]
; s4 O1 _7 n6 e% C5 ~& \) E, e$ |* o1 t
fd 17 B# G R! {2 U
9 N/ M% O4 K- y, F) K0 b' ]9 F" ]+ Z
ifelse(other turtles-here != nobody)[! O6 W& ?* z& P0 p% o
) ]* j: k( y; g p& dset customer one-of other turtles-here+ y- l5 G3 @6 N3 \+ J! P
; g- D1 Q1 l ^) T. S& O2 Z9 P
;; set [customer] of customer myself {; {1 ]1 }: n7 O$ `
6 _* V- i6 \) d* _set [trade-record-one] of self item (([who] of customer) - 1)
; g8 _% l2 S! R% ~. @6 B1 a) R[trade-record-all]of self' i1 V% A$ E: N3 O) ?! R
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self8 f" }% V( _! X% i' G/ o
- Q6 j( p2 C( [
set [trade-record-one] of customer item (([who] of self) - 1)
+ i" |, N F1 l4 }[trade-record-all]of customer
) ~. L9 b: N) H7 S6 Y4 @0 |6 l" M3 [' Y4 [! }! ?, o7 }! ]' p
set [trade-record-one-len] of self length [trade-record-one] of self
! R4 p/ Y+ b! Q3 \ W. t" e" J
{& G$ f- J2 v, G, Uset trade-record-current( list (timer) (random money-upper-limit))
; o% d! b% X3 H7 [5 r* h" `: V3 _/ g$ |2 i9 h* J: S! J( g
ask self [do-trust]+ u4 o# f V! \0 `: R
;;先求i对j的信任度
$ z4 \9 k, _. ~1 l5 F) R8 I# w' M E/ e& g7 _& X" g) k7 C9 j
if ([trust-ok] of self)
( u) o" H5 W' D0 _5 [;;根据i对j的信任度来决定是否与j进行交易[( q8 T8 X O' S4 F n" O% D
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself* F& ?6 N8 n. [
1 ^5 k1 {) _6 z$ `+ ][
3 k+ ^0 X" d4 u+ t. K/ Q
: j1 T7 v# f3 Y _, jdo-trade6 {" w" g: V3 G+ r7 b9 S! F
9 G3 w$ n0 t1 w/ _: L6 iupdate-credibility-ijl
8 w: e4 Y6 I0 y( S: H; ]; {( t/ z& h* N% b3 s# e% t$ D: T$ i
update-credibility-list" z8 m8 M/ r0 i! H4 u; s7 Z6 ?+ b
, H0 y& l3 M) f1 z0 `) c. `% f. o* c& Q/ u5 Z4 ?3 N
update-global-reputation-list1 e( P: O; j) ~" C9 e3 c
- l! d# D( w) i* N/ i2 Q2 ^
poll-class5 l) }) [8 l4 G7 ?" T
! P9 Q" h2 j2 R u. m! wget-color
$ ]) U8 k0 P# V7 O& R K. h/ Q. }: B$ Y4 E, u7 h# v2 o0 s
]]5 ]& Z" B! J' v9 |4 {$ z
5 B2 \8 y+ u* c' e5 D% a1 w7 A) b;;如果所得的信任度满足条件,则进行交易. a" I; R. D: |) u
' |' M" X, I! o. @2 q9 p$ V I[
6 o/ K5 R) Q# V8 Z5 R
$ c" f a' V* s O: Trt random 3609 \) A/ [9 P! N
3 ]$ f% r3 }9 {! s3 E6 a# Q( D& Gfd 1. F0 c0 j2 ^0 [" U2 i v F
; M$ K4 K" t5 y# L0 Y( |3 }1 l0 c
]
5 B* ]* @$ ?1 Q& z" r$ h" l6 A! b: h7 d
end2 R! r1 [8 e4 j8 W* S9 q1 e& N; G
+ `- l2 M* v& ?7 l0 j/ M
to do-trust ?; v3 n; _* N8 y
set trust-ok False% O& f! d- w r8 x, J
9 \4 b0 A& Y' X; Z* M* M5 y4 Y f- d9 y( ^# d& b3 T# |
let max-trade-times 0; \& V% H3 w e/ K
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]9 R8 o; L: A' h$ w, i/ k
let max-trade-money 06 `$ m6 U5 W* Y/ k9 L; |
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]& v2 d# k y( H9 X. 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))5 \- w* z( D8 _2 z
, E/ M2 q* p* r% A e
6 S" A( d& F, A/ r0 r' Y: dget-global-proportion
: ^! ]$ j* g; l' ]; x9 X( c7 Mlet trust-value& [; z3 a- I2 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)
, S! L" U6 s5 W. e; v9 b1 S, Cif(trust-value > trade-trust-value)2 M$ i. z9 N: m+ V, k& ]4 g: `; q" g E5 J
[set trust-ok true]. F% B4 \& N5 H+ a
end5 [, \( S/ k, R6 I u c9 ^
2 y- ~! r0 {8 q3 X% J% K
to get-global-proportion
6 V, B8 w9 |5 \, R7 d1 hifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3). X- n% e! ]7 b6 _
[set global-proportion 0]
Q9 Q0 b) H1 `% F[let i 0
4 S' ]% ~% k; K2 klet sum-money 07 c2 d& y$ l) o7 ~& [. h) {& I
while[ i < people]
5 j( x* X# a% V[
. G, `( d, |& z. u% w+ pif( length (item i
( t( G2 X7 K I+ U/ V4 g[trade-record-all] of customer) > 3 )) f% e: R0 [6 g
[
( C. {- q$ ]+ }- o$ b& Bset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
# C" | f$ @. c* g9 t$ ^1 q, F]" o3 X8 E$ s4 W
]
: ~3 o7 [3 m1 w9 l' {let j 0% Y1 {" s5 I& M" h! V3 _+ v
let note 0
1 w2 V; y9 Y `0 m. S, b% Fwhile[ j < people]
' r( g1 s2 q! c q( J g[! z8 S$ m0 c* B* J- X, w4 l4 ]
if( length (item i2 R6 n9 j0 }+ N9 e0 L& ?; b
[trade-record-all] of customer) > 3 )
5 ]1 q- b# l$ c/ x V4 j, |# ?[
: S5 a5 f# j1 k- ]& {2 h+ v! fifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
6 H) S- C1 x' h, O' n[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]# X( N! s1 S3 Q
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
, I, A* ^, [1 l5 U- t2 ?]
9 G( V2 Q) d' A# D1 l: U" h' T]5 b$ @. p$ [ K: p0 N# f4 y4 H& t
set global-proportion note
" H7 {" p( e0 N) J]
' T9 w' k. g" a" K- Y; }end
. t8 J2 P: r1 j$ _: [
! K# C% K: `2 `- E W5 jto do-trade" q2 t- P# t$ L9 @2 V
;;这个过程实际上是给双方作出评价的过程; P8 U+ m+ {& z4 X7 E5 ~# j
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价( y. j1 U2 w7 p5 {$ \6 q& e
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
: ^. D7 v' b, T# ^! G6 ~set trade-record-current lput(timer) trade-record-current
4 Y+ |0 l+ H; |) `;;评价时间! _# E& e5 h$ }9 ?9 s1 w! u
ask myself [
, ?" {& e# S# G' c2 lupdate-local-reputation& W" Q+ A: b; z1 o! V" {" h( F
set trade-record-current lput([local-reputation] of myself) trade-record-current
9 w( `' c2 X- \$ N0 m3 K]
* U: l6 M% m. x% N6 f* x- ^0 nset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
7 f5 p# }& I: r" w;;将此次交易的记录加入到trade-record-one中4 @# ~- J1 m# G9 g& X$ Q, I
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself): z% E7 F2 l2 O! f
let note (item 2 trade-record-current )* W% b+ {3 W+ |$ f0 j% Z0 }
set trade-record-current6 c# M+ }# y+ E) L4 ^7 K" V& Z
(replace-item 2 trade-record-current (item 3 trade-record-current))3 j) G5 s1 Y0 y, N+ b% N
set trade-record-current7 I3 p G: s/ |% T& j
(replace-item 3 trade-record-current note)5 v8 S4 [5 n: N% S( a
+ k* @" z9 L# _0 ] z
6 G+ b' V4 Z) W# F( ]ask customer [) v+ |- f3 j' K& r" c1 N
update-local-reputation3 T" O$ m( X0 J6 I! u+ ?+ e: s9 V
set trade-record-current
1 D8 G4 y( g4 _7 F& P, H0 n6 V(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) $ V, f' N3 v8 D1 b
]$ H+ c" Q+ z8 N7 g* d8 d5 x- b
( L: \$ `* {( ]. [" B, _
$ I5 R$ v9 t, f7 i$ ?4 n& o5 H7 F
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer4 |3 V/ V& \$ W% I/ L1 p
, y7 b' {2 X0 c W. ]set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))& R; r6 F1 W4 A4 m: @" \- d# j( t
;;将此次交易的记录加入到customer的trade-record-all中1 d' j2 Z. W/ y+ B" [# [
end2 y/ i: k8 y2 b6 K5 g5 E
, j, W5 Z" A6 |" b. P8 W7 q
to update-local-reputation( r+ o. w& V. o/ R# J7 |" x% C
set [trade-record-one-len] of myself length [trade-record-one] of myself7 ]8 j7 `/ T1 L2 r
' a( Z+ |2 a9 t8 g0 x8 @8 z, M6 Q: F! a8 o
;;if [trade-record-one-len] of myself > 3
* _- J8 x8 ]: u( e: ^6 nupdate-neighbor-total
# x- @4 j; c: {;;更新邻居节点的数目,在此进行
: Y1 l/ q: Q) @' K$ C4 e/ Z# ilet i 3
0 D' F5 T H$ G$ [let sum-time 0
/ z5 R# D0 O3 b& F! ]5 ?while[i < [trade-record-one-len] of myself]
- _8 ?" ]4 o% k[
0 o. J5 P1 g$ N% j7 lset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
1 e7 M! B: X V* b, W# L- |set i
- R$ S. S9 C; p7 l& m; J9 ^( i + 1)
" Z7 w3 y/ w; d! l s# _]
. r7 f9 k" v0 Z9 c8 R/ F% g; Ylet j 3( @* _8 r" p8 @* Q4 C
let sum-money 0; r( ^' q# _; B! ^9 S
while[j < [trade-record-one-len] of myself]" I2 g3 U5 v5 E: r/ d; t: N6 s
[4 I9 s! B2 f& R1 G
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)0 D: j$ U) g) R# o
set j
) }; z( P4 I7 l8 u5 w/ V, \5 |( j + 1)
: d4 f& o3 v5 t n' K4 |# B]% t) b/ |$ Q f; \. s/ |* H& I
let k 3
: g7 Y3 B: L3 b1 } |let power 0
: y1 }, ~# K. B2 Y; u alet local 0
; q# ]+ d6 m7 C/ {while [k <[trade-record-one-len] of myself]5 W! }9 \3 _. V4 T
[- R) c) c: y) S j" t% U2 }
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) # U, b: j1 u* S
set k (k + 1)/ D$ J: {) \& |4 W
]1 z; U" B6 F+ e9 o3 f$ k6 b& v! A8 L4 _
set [local-reputation] of myself (local)
0 [- z4 I; y2 G5 U5 H" |, iend
, a4 j: q0 w% [6 N5 a0 f* @
, q4 S1 \) b3 ~' Q) {1 i: k3 Hto update-neighbor-total
; f. [) C% [- f8 w* U' }
' a" M' k) m' q. nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]! ?" j0 k0 ?2 g* @ h& v
+ q9 t0 p" c3 p8 d
8 _8 L7 c/ Q y+ R# F* x! Send
- G- j: i6 c3 E* i/ Z! s4 X. o8 q. Y/ F) f
to update-credibility-ijl ; K0 b$ k: y5 D6 l1 s; \+ O
4 ~; v9 ?# O. q. c8 p* v9 R3 G/ @;;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 c- _: o0 H3 B+ [/ F: plet l 0
" Y' S+ p4 u* D; A# ]7 k0 f, wwhile[ l < people ]
, b0 a1 W+ p5 h* ^) 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6 T5 L1 s9 \/ a
[8 z- l" n3 Z8 q. o
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
$ K) @- T) R- x- Q4 yif (trade-record-one-j-l-len > 3)
4 X% J% N! @0 ][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: e+ b+ f j( _* \
let i 3
0 o; t- c7 a' ]0 ylet sum-time 0
) e2 |/ M1 I G! G5 z+ qwhile[i < trade-record-one-len] [8 J E0 ~% t0 Y' K
[
! s6 x& G+ K5 h4 [7 m' \+ a$ O! b+ Xset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
`6 F) l8 o& H. _set i+ S \0 H- {, H. k |
( i + 1)
( T) y& q0 g. y2 d) a2 r# m]
$ @7 e: j2 _' T9 E8 [; O" Glet credibility-i-j-l 0
0 A7 O- L& I4 [$ Q+ j6 y1 |& e;;i评价(j对jl的评价)
, f" h4 \4 s$ C3 O6 hlet j 3
5 w6 h1 c( C* ~let k 4: n6 N* ?5 x4 |
while[j < trade-record-one-len]/ `6 N; Q' @, X5 O8 j
[
& J4 r! W. J/ V) I6 s' j& Swhile [((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
h7 s% I9 y9 F* e9 Z( tset 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)* N2 z6 }! K' v- T0 U, f9 \; D
set j$ i3 ~0 ` h. _( a* X4 {
( j + 1)$ v2 |; m! `/ B5 n: M8 o+ N3 a
]
$ \% Q% s5 {& c A, Dset [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 ))- z( ?7 B& T+ b, Z m( X
3 ]; f9 @. f% Z0 Z9 H M# C4 U
/ q0 D& }" f3 q7 w" S* llet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))3 w4 U1 j! Q' Y4 y' g b/ c7 y! ~
;;及时更新i对l的评价质量的评价
0 ?1 \7 j% I4 o8 w0 Bset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]3 c2 R+ T- W# V1 L
set l (l + 1)
$ Y- E. p! ^* A2 [+ @ g1 [- Q]
/ o. x- B4 R; q- A! b8 O9 G& G5 Q$ Oend2 _4 x8 q( j) |( o8 p
/ d# i1 A4 K- K/ kto update-credibility-list
3 H' \: O! K+ U1 Zlet i 0
$ s6 I. m5 V; `, o$ m7 c f$ Dwhile[i < people]
- C8 ^ h0 [' z[
@: B. ]8 r6 _0 w: S' O" A+ ~let j 0. Y) `; }% n& r4 o% W* r
let note 0
' @+ o5 H- r% a5 C: |) v4 R' ulet k 06 j& w3 x1 L4 O$ V: d3 N
;;计作出过评价的邻居节点的数目
/ a$ b( S$ w$ G+ c5 [while[j < people]
) }# _/ m8 c/ C- Q/ G[, B3 G- M4 z" ?4 o/ i8 i
if (item j( [credibility] of turtle (i + 1)) != -1)/ M2 {& ~+ x+ u( I+ l2 W
;;判断是否给本turtle的评价质量做出过评价的节点
5 x& _) u& J) z; H( u; T[set note (note + item j ([credibility]of turtle (i + 1)))* g" z0 d5 E1 }! P4 H
;;*(exp (-(people - 2)))/(people - 2))]
D/ p2 o8 h& @set k (k + 1)
$ x) \* g: `5 `]/ y w2 D( O! g) S
set j (j + 1)
! I) ^0 x) j9 _) V# \]- `! |8 e6 G; g* u& M, ~ s
set note (note *(exp (- (1 / k)))/ k)
7 t$ N8 t( O# n6 p) e2 H, bset credibility-list (replace-item i credibility-list note)
( O6 B5 Z* D) `# u! Rset i (i + 1)4 j! Q" i/ h7 |. o& ?$ Z
]
$ q6 M+ E7 u5 v0 I0 ]% r5 kend
6 M* g( w6 j8 d6 l, w+ L+ W$ z6 c0 C0 v u' a5 j* K# p
to update-global-reputation-list
E v. n! s9 a0 G2 P4 glet j 0
, I" u' D8 Q% X% a; i+ f+ }while[j < people]
+ F7 {; i/ B2 u* M$ W# F4 @[
1 q' ?8 l+ [; j5 F- |let new 00 J- s; _/ |0 d7 c! E
;;暂存新的一个全局声誉
k* ~, A) j1 L7 G( [' L/ H5 elet i 0
2 x j5 a, A; q3 _7 m9 Y% _let sum-money 0. ~2 J4 L9 K1 r3 b
let credibility-money 0
! w# G5 [. `3 j. A7 }) ]6 Fwhile [i < people]) T" @3 E% l$ V& |. _ C' |% l+ n" x1 k
[8 q2 e& F% I+ r. e4 ?' P3 ]. R
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! j* [6 L1 H8 k e* m
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
/ g: S3 T4 H0 J4 q! }8 Wset i (i + 1)1 }+ S* Q" P: `
]
3 N4 J' V" l9 T# O, ^; c* Wlet k 0
x9 Z* x1 e: s* R; j6 Olet new1 0! b0 B1 [ w! t% L
while [k < people]
7 P; P; R: D. K f0 H, F; x8 R[3 J8 v6 r8 O: R; P$ g9 ]6 j% F7 A
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)
0 w# _" r9 I. j6 ?; nset k (k + 1)
5 z! w7 D7 S& Y# e" K" ~]
1 j) h$ `. ?$ u: i* M( D+ X4 ?set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
4 b$ O8 {% y! `$ Y( Rset global-reputation-list (replace-item j global-reputation-list new)
n/ r* i2 d/ a% \, u: \2 t) nset j (j + 1)/ f; |: }9 q1 i. M' @" |
]
( a& p! @' Z" _end; U2 f7 a8 t! i& ~
* Z4 R! M# Y1 w# g7 m( j
" q' @% w) p3 |& ]7 [) }4 M0 W, ~' \3 K+ c, ?
to get-color3 q; S: C" Y, Q9 q2 G) o
0 E- D. w6 R8 y5 h4 _
set color blue) z6 x; s! V; [9 n3 ^
end
2 x- A4 \+ S `5 Q
7 g# z% o7 v: E ^: Y; l3 kto poll-class
/ y7 U- z8 x o- T. v" D2 nend
$ H7 Y$ f$ F! E9 d9 {1 m: g
$ F" i; O6 i6 ~( n b6 Eto setup-plot11 K+ B" m; P5 F9 A: F9 C
) V( h6 _0 {% P) |1 `set-current-plot "Trends-of-Local-reputation"% F- @3 u, E; K# k- |3 p0 ]
7 N4 E. D: u; {
set-plot-x-range 0 xmax1 ?) Z4 R2 e3 C0 L
l( G" ]0 a, Z, b! U5 y0 T3 U, }9 Tset-plot-y-range 0.0 ymax
, m, f8 N% ]0 k: K, C( wend0 Z, i9 A1 I- [: ?1 n# V7 W
) z( ^9 v) D+ I I4 S% Y% bto setup-plot2
1 Y r/ T% E0 h( `/ w2 C( V6 _
1 Q% t. r' d* {5 ^. x# |" K3 Bset-current-plot "Trends-of-global-reputation"
' e% J: M3 ~2 t; p) F, }; Z3 J9 F2 N; j( S( v( @8 P
set-plot-x-range 0 xmax
1 K5 j; c# ~* r" k$ N) T; M6 D9 O7 x; g& x! e! V
set-plot-y-range 0.0 ymax/ Z0 Q, @0 Q( r0 Q/ i+ s( k- e
end
7 l2 \: V# F/ P! H$ t3 `+ l5 A5 V3 i- ~2 @
to setup-plot3
. Q9 M0 B1 i* H) Z0 m
/ n e. Q6 c* H' h" s- J2 @/ c+ P( } rset-current-plot "Trends-of-credibility"# i$ B% K0 A) f' X+ {1 m+ Z2 v' i
4 i% s. K! [# h
set-plot-x-range 0 xmax) u: r: U. [8 m* I# |# f- \
; P2 V$ p; _" @) u5 G
set-plot-y-range 0.0 ymax' d& t. _4 L/ q: h
end
6 X1 ~6 r# b4 A5 M/ Y
0 f4 t" N$ M) y wto do-plots" A0 h/ e- C7 @9 U
set-current-plot "Trends-of-Local-reputation"; J0 o7 `. N% p
set-current-plot-pen "Honest service": Q: F4 c0 ]$ O# M/ l2 a
end
- D5 E: [ v, M6 W C/ Z( p+ V/ W/ o" {
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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