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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; f& e2 Z3 T1 x% _# |; H
globals[
. b4 Y6 @/ z: h+ A9 f) E6 L5 N; f+ \1 v. kxmax
3 a9 X( i: T. M* I" o1 U- b, {ymax
- S' v* ~5 V) F l6 e- mglobal-reputation-list
- l8 W1 d- V% V" I( I6 `
3 E, g; b9 U1 `& Y3 ~5 z) W( g2 C;;每一个turtle的全局声誉都存在此LIST中$ ~% ^5 y6 G4 ], e
credibility-list
+ S( {: ~, O7 |. A" w T5 m9 };;每一个turtle的评价可信度
3 T5 k. o( g3 @honest-service) c. }) N2 ?6 w5 R+ ]
unhonest-service8 Z4 _8 a V4 N4 ^8 ]8 i% d( y
oscillation
% P0 t. A- u8 D: q! J$ J* xrand-dynamic( k6 t! j5 [0 O9 O( z
]! c$ R! k* _) _# \5 H
& f9 v# Z! T" }/ G, Aturtles-own[
& r; Z" s' n$ e* Ftrade-record-all6 y' J& @' c5 }' N' p. y
;;a list of lists,由trade-record-one组成6 f. D0 W# Z' l/ \
trade-record-one3 Z* Z# |) `+ D, w& \+ P
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
# I+ }/ K, \ s
; m; Y3 B, J* 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]]+ y _* c) v/ X, e
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]0 e% K1 ?7 ]. b) b7 }1 Y
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list4 P+ u0 e9 n; A, X4 x- C
neighbor-total3 x" F( A) x9 E. w5 G
;;记录该turtle的邻居节点的数目: j; J* H% F$ L0 i& a
trade-time# T" ^$ ~) x( C. u$ a
;;当前发生交易的turtle的交易时间( k% R ?$ ^" x; L* T# ^' A% f
appraise-give
4 B3 u2 ~ G5 ]- i8 S* L;;当前发生交易时给出的评价
0 O7 i3 A& t' s4 {) Nappraise-receive
, i" k, Q: B. r6 t;;当前发生交易时收到的评价
% c7 d Z- a; y* e& z4 y2 V# Pappraise-time
" L& z$ u9 I1 g( [* D( m;;当前发生交易时的评价时间
4 P) U/ V: a6 J' `1 W7 d! {) Glocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
p0 @6 G( p5 ^* ~# T8 d# ^trade-times-total$ Q \1 c F4 A$ |6 G0 Q
;;与当前turtle的交易总次数% }0 G! m: }, u1 j
trade-money-total
6 F" m; t/ n# l5 X2 U. v& ^;;与当前turtle的交易总金额
+ I# T i1 I8 b9 G7 A! wlocal-reputation& O& D0 c8 r4 I' S/ _" U. P
global-reputation
. k3 K$ h1 h7 f) M' Pcredibility$ C$ H2 ]5 C% C V% z8 t$ U& {
;;评价可信度,每次交易后都需要更新5 K9 j" }* [0 d: p" U) ~) X+ k! b9 c
credibility-all* s) [9 x2 T$ {# z* z1 `; n
;;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
0 e! C* {1 ]1 Y
j2 l3 _* c! J;;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0.52 R2 y* X) g8 J( v( n
credibility-one* h# Q: l3 I7 T3 o9 b$ Z* c8 I
;;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+ p- p$ b" i- \4 J7 L+ t
global-proportion: W9 |2 V& o+ J# ]9 L
customer/ ?7 K7 ~, s: [, T. f! v% ]" A8 I
customer-no, q$ O T& S. g2 {
trust-ok
# T7 Z5 G( i$ F5 Q3 `1 R2 vtrade-record-one-len;;trade-record-one的长度
& _9 W- ]- p/ k& ?* l: Q$ `2 u7 H]( t3 p8 z' B: P4 j
+ ~4 o/ V; v4 \: X
;;setup procedure
* g. o: u# D" ]+ D5 e5 g$ w
& I4 z2 P( b9 ~" p! Qto setup: `& g$ p. b6 U j6 T
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ca+ f2 J, U" I4 z% A' S/ y: ~
. D: C' n; n' d8 [3 ~$ m
initialize-settings
) L, n' j; h. }! u! N* n. [5 I; n' Q. {0 |0 O8 i
crt people [setup-turtles] h* g- ]" w4 ]7 y2 ?; O. J
6 O7 P+ }. O. ]8 Y- }+ H
reset-timer/ t0 I7 l# I q+ x3 A
/ F. C; \: v; r' H) ^6 C6 d; ~" i& ?
poll-class/ ~2 a7 F' e) Z6 M: U0 q" ]
. M3 g8 k4 A# ^& ?2 V2 h" ?8 C9 I" \setup-plots( D: t3 F+ P i; @# V- h. Y. z X2 K5 I
3 w. q+ ~/ G1 C+ Y5 }- @do-plots
4 f; W( K% J: r% b+ @# g! {3 rend. e) t+ n5 f: F
/ ~% B4 p: [' s) a
to initialize-settings4 a5 E7 {% y3 P0 J" d9 V; g: z
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set global-reputation-list []
/ c1 n; X' r, u: Y/ W( {0 K) s" a+ ~1 C- Q! c
set credibility-list n-values people [0.5]' ^& X' x( A" f
7 G2 X# a; W7 d8 `7 Lset honest-service 0% F% @* A" K( ^$ x: ~
1 i' T0 {0 x+ l4 E: }; Qset unhonest-service 0( Y; r F, x$ ^' W
# y% U0 J3 A: y0 D2 C
set oscillation 0. J# t- j4 R* R/ S* q+ d
& N& k$ m( H+ e1 tset rand-dynamic 0+ m: t! C/ R% ]7 u- k
end3 X- y4 U6 W9 I9 `5 T+ o
- A9 h/ Q) ^. F' [7 uto setup-turtles
: ?" P B- E1 }: aset shape "person"& {+ m' P7 w6 o- L) Q9 J: K7 q: u/ o
setxy random-xcor random-ycor0 V" j' s( X$ B7 n0 H* L# K
set trade-record-one []
' W5 c9 d* s) v/ b3 }
9 l! `2 i0 e# k) A3 Dset trade-record-all n-values people [(list (? + 1) 0 0)] + f3 W& z8 h$ I4 g
" q# a% [7 U) W. ^2 ~
set trade-record-current []( Z8 M2 t0 H/ }0 @' ?* y1 |7 F
set credibility-receive []5 y: o' D K, \* j: s
set local-reputation 0.5
/ T& I* T& V4 g* Yset neighbor-total 0$ Y* X& f; A% X
set trade-times-total 0
1 i( @& h$ n ^7 u+ E* cset trade-money-total 0* Y1 N% y8 @# M9 S; s: `- f0 e3 H2 ~# l
set customer nobody. c8 Y, Z% q6 J- o
set credibility-all n-values people [creat-credibility]
3 M0 `- _+ ~+ V5 X8 d1 B8 ~set credibility n-values people [-1]( A! u+ h# y1 G1 W6 g+ V8 G
get-color
+ H% c# C0 N, o; \
; M& F" K) r" G* e) Gend
7 X' @' h% P$ W' \- q S1 A8 M+ k
, x) a& v6 V3 }6 [6 o; \to-report creat-credibility+ Y7 e- d* l! j" a
report n-values people [0.5]
: f# |+ G' R2 i4 K) nend5 _' C* H2 l$ r1 S4 A% p" n
1 j; A8 b( [+ E- X$ K0 K4 f5 U
to setup-plots: X- e- E& m: i0 T: O6 |- R1 O
( j9 n7 i- ?1 Z- Y
set xmax 304 [4 ~. T0 N9 w7 L+ q$ j
7 D2 q# _! f+ H8 Nset ymax 1.0. B- T- f% _* N* g
7 q& K1 `0 B# |0 l4 w' a' ` zclear-all-plots8 i( E/ x1 {; j: t& Q
$ I0 A/ C; H; V0 C. n5 q2 d3 msetup-plot1
6 m1 d9 A, E, l4 B( f! B; s5 C/ n
; Y- S1 q* W9 h9 ]setup-plot2
9 D6 s- e; q; b9 ^) Z6 C. a7 b# m( T3 c, Y/ a9 p3 {
setup-plot3
' O( ^4 G$ z6 d* w3 W& gend: J/ Z8 M( i$ {# ~" d" c% B
4 I1 w& x* V1 f" c! k- x;;run time procedures
6 f! t$ k: p1 k6 ~
: ~: w( u# w) e9 Eto go
- e; j, d' L. `+ m- w' s$ S( ^, b. Y' h+ D
ask turtles [do-business]6 B( ?" Y; ~/ N6 x! }, g6 e
end
; l0 z: B; ?5 I
n- O* |. Z, L5 _to do-business
! \4 I: [4 ^9 P8 t3 X, G- p% y: v$ \, n# w8 H3 _
: C. k% u0 S. J: g0 v1 v( jrt random 3609 T- w) M& h3 B9 l& r$ I4 g
+ B7 n1 c/ n+ a# h+ r. {2 l
fd 1- q. Z V& O: M) W3 _ ~: g6 f
8 F d3 p' F4 Q: H! k) B- yifelse(other turtles-here != nobody)[
% g/ m! G6 W% N: w) u. n* r; @
) N* V5 ~8 O' d* \set customer one-of other turtles-here% F7 c* E7 x) x( J
8 p9 p; H; j! l/ A' }9 n1 B i
;; set [customer] of customer myself
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/ X$ Q( B0 M+ G4 Gset [trade-record-one] of self item (([who] of customer) - 1)
* k) a% V: e6 R; A, Q9 [[trade-record-all]of self) R# [5 l( R+ [
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
& a) y5 T$ l& T! n2 `# U, D4 Z. X# B! o
set [trade-record-one] of customer item (([who] of self) - 1)
, q B/ o0 X' ?- w4 E[trade-record-all]of customer6 q) o# i( a6 R8 c/ U
% _9 o. s; h7 {# L
set [trade-record-one-len] of self length [trade-record-one] of self2 w7 }& Z0 I. i6 g m- ]! w! ?+ \
8 e1 k3 h9 |9 Oset trade-record-current( list (timer) (random money-upper-limit))* \- C* o E T7 m& E
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ask self [do-trust]" d2 Y j2 y3 J' t6 x T
;;先求i对j的信任度
" e: g( p' H/ Z ^
: [. M( w$ r( m9 t4 Z( t0 Y! uif ([trust-ok] of self)
$ A0 w$ [ R" ^1 P;;根据i对j的信任度来决定是否与j进行交易[
+ t2 F" x9 }4 k# f8 H4 W5 lask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
/ l% {5 [/ W$ m2 F' W" m' j
5 G7 c# K( S- U[5 s* d, W" U" L, }& q5 G7 `" V
- j* M3 w" k6 u% I, Hdo-trade
/ k9 }; u7 @% X1 D. ]) _( U4 ~- }: k+ A* X4 x7 i H" }, W
update-credibility-ijl* N) u1 {; y4 n$ q
- N b% ~& c5 i4 _) j: v
update-credibility-list/ g v0 O7 l& D
8 G! Z+ d% m/ L8 p" o8 I
& L; I( a, S2 F, ]8 [8 z& M' Dupdate-global-reputation-list( z: }) `& \; Y1 d2 c
2 M' h1 |# Y# ]
poll-class
3 M9 f5 u6 K" s/ x- P J- f* ^* h" E2 ?- Z P' z4 Z# C6 j# f
get-color- M* G2 b0 Y% y7 f: A! I2 [
/ o3 J8 t3 j5 ~: W% C! T]]
2 _; x5 t- R6 Q
7 |7 w; \ t) ~0 j. g;;如果所得的信任度满足条件,则进行交易; u c3 F: e4 J/ }
& ?" L: s; P& O[
6 t* @: w' h0 Z4 \# l
% L: G, `$ c6 B6 q! b3 B, v* Zrt random 360
$ M5 B k, A; }4 \ u, j
+ r8 O7 l; I7 Y. t4 u* dfd 1
+ }, C1 M6 n3 S. A+ l0 J
: U; A1 c# w' U$ t8 F]
( ?- X( X7 P* D! z) ]: f4 B! F1 k$ @5 p; e( }% @* D
end1 l2 |+ s( d4 b7 m) Q
0 ~7 Z3 Y/ d; n" V4 F" U/ Qto do-trust ! j2 R0 O S g. W9 o/ q, W
set trust-ok False0 @ S! O* m% y$ T! X
: i( `; i+ e2 r5 O/ y" L8 L
, r7 M9 U. \0 P: ]5 mlet max-trade-times 0 N0 R7 A" m0 N2 j
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
! ~' E+ L! J( F/ N8 M5 J& x, Flet max-trade-money 0
, l' g& n$ I8 s7 i" dforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
, S+ e! ]+ P# n9 T. d9 D1 Ilet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
( `/ f) T" p7 L6 w4 k1 e7 u. |/ }% [$ p$ a& \! d
4 [& l/ R& t2 V' U6 Z6 h
get-global-proportion
2 U d8 G6 [0 a9 slet trust-value
# Q- L. t1 H! F# f7 T6 Mlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
2 G& N; {* L: P. ]; |if(trust-value > trade-trust-value)) d' R2 d8 ~$ D- u$ a1 V
[set trust-ok true]2 Y8 x0 x4 `% r; E& u
end# O& ?9 u+ X/ Z, ]9 y
& i- e, a4 W0 g* d" c( M* q5 W% x
to get-global-proportion2 x% t$ B$ D4 e. Q. ^! G5 f+ b$ s2 c
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)- |% Q$ L5 r6 `1 s E
[set global-proportion 0]
. k: `4 R1 ?, d, `[let i 0$ o: Y9 \3 B8 e$ \0 K& I" q. k. q
let sum-money 0& q) `! K( A+ B! _# l$ y+ z; w
while[ i < people]+ b g# U, J4 G2 F, c0 }
[
' E. q8 n: N' I( _5 wif( length (item i
" U" Y7 M0 m3 z! u. H( A[trade-record-all] of customer) > 3 )
5 g, J1 e. q! q& L4 i2 a! r& M+ d[7 S' T# F" t# s( y% {% T' A
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
' R' }6 ?4 }6 C0 B$ t]5 c" @( ^- E; O. C& U$ f
]; v9 Y) ?4 ~# a g+ r7 y
let j 0& y: U6 x# N, v7 i) B. p* \6 U
let note 0
$ x! ~3 ]& [7 q( t8 J9 Mwhile[ j < people]/ s9 f+ d S( ]8 y
[
6 l' p+ K% g2 ?( H. Eif( length (item i
R3 f7 i, i$ R ~$ T[trade-record-all] of customer) > 3 )
: O% G& m( g6 z" b' |[9 L2 B, T; X# j% G7 m9 t2 G; w
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
9 {' q) j, d' d$ Q$ w[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]# F2 a H6 G6 w( o( L$ {- w6 J1 T. k
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] r! }* z8 e/ F" M! w& ~
]% a- O# o9 X% N$ B
]
3 M9 m& H: J( m: a% yset global-proportion note7 B2 D7 o; @3 e2 \
]2 Z. z- L3 n1 O
end0 x* G1 r) ]) F4 D7 S/ P
/ ]5 x9 V7 t* W A( s8 m
to do-trade4 Y' _6 q+ G/ t5 S3 ] [- v
;;这个过程实际上是给双方作出评价的过程
' }& h. z7 q4 }, o3 `1 D! @5 P5 Y0 wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
: U/ X4 v+ J. f* Mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
9 z6 H5 K7 r2 ^) mset trade-record-current lput(timer) trade-record-current
1 V- ~8 r$ L& l/ f" v1 w" H( N" P;;评价时间
8 [& W2 [' [8 u( Y7 @7 A! [% Zask myself [6 P+ P. [; _& ]1 o/ }0 c- ?6 k
update-local-reputation7 k; i* J; p+ }9 H% z9 K# f0 A4 O
set trade-record-current lput([local-reputation] of myself) trade-record-current. Z) O% e" Z; T" _; B) p* d
]4 ?6 L p7 }6 H1 {
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself- q8 @/ I+ _ p3 l8 @
;;将此次交易的记录加入到trade-record-one中
5 S$ x( H+ T, f; W# o- ^set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)& {. D+ u; N3 ^/ T4 e
let note (item 2 trade-record-current )4 G. d& X' n" m. ]: ~
set trade-record-current
1 I6 N4 X7 p" J+ @(replace-item 2 trade-record-current (item 3 trade-record-current))
/ }& p/ p. J: g4 Jset trade-record-current) w* f( h1 b. ?
(replace-item 3 trade-record-current note)
M- O+ [1 d/ M
" W! m( L9 G" m/ E* u6 q$ ]4 R* q9 O
( o0 X3 n0 a4 `! ^+ uask customer [0 g5 L0 V! E) [5 m% t$ ]
update-local-reputation
: e' G8 w( w* }9 `. Z2 fset trade-record-current
& k q- o* S1 v( n(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 2 c. Q( j2 I: G2 S; y
]* L! N8 f; @. K; I
% g' P! \5 N9 x
, O: ]: ?8 K6 [. N
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer; O \) n. H e( _2 Z
1 M9 Z" N' x3 [; \ T
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
7 @% {# E. j7 K;;将此次交易的记录加入到customer的trade-record-all中( v$ B7 e6 |6 V
end e. d5 P$ _' i
4 V! U. S% F6 I6 m& |7 M/ N0 {6 H$ q
to update-local-reputation( {" j3 { ]" {; }! f- h" N
set [trade-record-one-len] of myself length [trade-record-one] of myself% Q5 l& f6 Q; a
# x/ W1 k+ w5 E* j5 V* V% u$ z& y* f8 O2 }- k0 L! M
;;if [trade-record-one-len] of myself > 3 0 Q. B- o% d3 y
update-neighbor-total
8 z9 y7 _) m {7 F! I;;更新邻居节点的数目,在此进行
' G5 {, k, J/ N+ p+ Vlet i 32 C) P. Z/ D8 p
let sum-time 0
. g6 _5 i5 Q$ m5 X( ~* Uwhile[i < [trade-record-one-len] of myself]0 R) z& M9 Y- ~7 O r7 j
[2 a$ X+ A% _) |6 D+ n5 _
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
7 b- Z% _' w5 y# T, I% Fset i
$ Q4 a9 P' q* J! c1 I$ }- r( i + 1)0 N# r' v: D& u4 a1 t* u
]. H3 l! D4 A7 \+ k7 X3 L$ [2 ^% G2 ?
let j 3
8 G1 K: ?* |3 C' Nlet sum-money 0
7 Q5 l; g4 A3 i; y# Lwhile[j < [trade-record-one-len] of myself]
) X& I* ~8 l4 q; u. V8 @[, r* x1 A0 i% e0 J
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)
' h+ E8 y5 \8 i- q4 ?& V4 h* Kset j
. G; A7 S( b& U4 b( j + 1)
+ \0 T0 `5 t2 \# e]
6 C: [* g* h6 K0 ~" g6 y3 klet k 3, b2 W3 c( `: [
let power 0
3 v" f0 F: X3 blet local 02 G: o! }4 i- B1 _ C" K$ x5 {
while [k <[trade-record-one-len] of myself]$ O$ n3 Y+ F- l5 p' T. i4 y7 \
[7 x S8 W) K6 N2 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)
6 Q+ b7 B% W# H B( Xset k (k + 1)
- l% s: T; p) e& l* C t0 |]
6 x9 P7 i3 l* u- gset [local-reputation] of myself (local)
8 r5 ^+ b& H8 k! w" Kend
k- F* b7 a# [ j) Q4 D( W
) _- B! ~& |) m6 Nto update-neighbor-total
! [ {. K5 j- G1 n3 Q1 s! f6 F. a' g
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
0 c8 m5 z9 N2 _
+ Y: n2 v9 y$ y6 v% D
t( l; ~' o& m& u( s5 t. q, tend
1 r# G. }4 Q+ P u: m/ S' \
$ T* N1 Q) z+ F8 O- ^to update-credibility-ijl " c9 S' {- ^! @2 U0 R
9 D7 [% c; J! v: h1 X, ^;;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。8 l. h ~0 j# \3 `9 m- V0 i7 S
let l 0 c; `9 m+ ?5 @3 O1 f
while[ l < people ]# s U4 D# L0 p5 b) f r( f
;;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 W7 x0 j; M, i: D( c: j
[
" w# X; z* y9 T( c( tlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
4 y, X1 K- q& K$ Pif (trade-record-one-j-l-len > 3)
: o: d i& x5 l* q[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" z# F, C! q, c2 q$ H! r
let i 3
+ R2 m9 g, I, l) w& u+ rlet sum-time 0
* ^3 W- l8 A. e: w( u, p* O: Hwhile[i < trade-record-one-len]
( H7 f0 j* d6 i: |[) F4 B: T, ]! n) p% d V: ^
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
) D! @1 q5 p* K$ K4 k1 _set i5 O5 q0 `# \8 V1 t3 R5 t: I
( i + 1)2 @9 @0 ^& J$ q8 V
]
" n3 ]8 a3 R) k8 `, ?let credibility-i-j-l 0+ c; y5 o* u6 u$ W7 e. u) I2 M
;;i评价(j对jl的评价)
2 ]. O# l) P) o0 b& `+ plet j 3" D o' L% O2 f, @* ~( d9 C Z' J
let k 4) s3 Q7 [! [/ a! @, a) ?7 `! g
while[j < trade-record-one-len]5 x* [" U, @' \- ]1 \5 d& s
[
/ F. c2 t. f; K' k, ?+ M, ^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
# E' S( X0 K' F( \/ Jset 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)8 i5 V7 ^: z- p. @( |
set j
" g X4 |% e, N g6 x8 A( j + 1)
* m7 w4 W6 T" }- `- A4 q]
M6 D( d' d0 p2 {& N5 n) t* e' rset [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 ))4 [, m5 D5 d- P- X
s/ U# \# @2 ?4 @! p2 e' x- h. E
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))# ], r7 d5 u; W0 ]/ B
;;及时更新i对l的评价质量的评价2 T' f$ _) V7 J
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
2 ]2 _" U, {8 h A# Tset l (l + 1)
3 M6 X0 X8 e% ?, r. f% o]$ S% @/ D5 L# }( W; \4 g
end9 t) h6 G2 |' k; T2 h
- l; n. x2 q- G6 `0 r8 b' |9 b
to update-credibility-list+ m& a8 K2 s( ~
let i 0# x3 r; w" P( U) _ E" B$ p g- l
while[i < people]5 C# G# J( c( M: P5 b6 M2 V5 Z4 \
[7 l1 l: W+ \ L# G I, @- G1 J4 J; Q9 Q* g
let j 0
. b# J' \+ R- ]let note 0- X Z$ v5 Y& d; T# z3 ~
let k 0, J0 t y) E B% ]2 q
;;计作出过评价的邻居节点的数目
) a) R. S* j: x& e9 R+ V- p: mwhile[j < people]
, z% |( Z' j" x( P' i& L: h[( |( Z) I' T& \8 e' }; q$ o
if (item j( [credibility] of turtle (i + 1)) != -1)
- E) H% B# e9 ~0 F7 z4 K; F;;判断是否给本turtle的评价质量做出过评价的节点
. y" \2 X% a! T( O5 M& e* F[set note (note + item j ([credibility]of turtle (i + 1)))
7 v! `5 o% G7 Y7 K& _;;*(exp (-(people - 2)))/(people - 2))]3 y! _& d0 s0 ^( \
set k (k + 1)4 y& ]# ~% L" R: R8 I8 B
]+ W) H7 T5 V5 t; C, I
set j (j + 1)8 R# i8 e! V7 B% T- Z) E& G% M
]
& Q8 t& q5 I0 A0 J2 U& y* xset note (note *(exp (- (1 / k)))/ k) O$ c( h4 k& M& d8 O9 j
set credibility-list (replace-item i credibility-list note)
5 j# b! a' q& @set i (i + 1); K$ d" r$ I4 t- V5 h$ P' F+ G5 `: ?* u
]
9 w6 S. V& X$ p" }end7 o4 i( m, g: Y) A5 @
' o; Z3 P* O; `1 z) T5 B! o
to update-global-reputation-list8 x. O( h# Q8 Z) z: b
let j 0
9 ?4 k1 g" ^3 G" H9 ^: D% Jwhile[j < people]) F- K! T# _+ {4 L
[5 |. t. _ g9 F1 ^3 p" P
let new 08 } h6 a' Z7 {& r0 [5 O) x r `
;;暂存新的一个全局声誉
" E- N1 h1 I' m; D' R) klet i 0
0 }+ W r- D9 G4 o6 Qlet sum-money 0
& r. d. J: K% Ylet credibility-money 02 R3 e6 y0 B' w9 E
while [i < people]1 a' ]- `+ T% [1 ?
[+ n' q0 h9 Q+ N% _, b; t, G6 r
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
; L6 [6 \# Q% C3 F$ u# [4 \* dset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))& f% k* q3 r9 b0 P b9 S R) N
set i (i + 1)5 [* w ^8 O9 B6 g
]
9 ?' E4 Q V4 O2 ~& y% S: `3 wlet k 0
; A; y! k$ m/ c* w7 N7 V% O, alet new1 0
; \0 _) q5 \- kwhile [k < people]$ Q, \& m, `! W8 N. k# [5 Q
[
: x k3 C/ D* x5 nset 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) a' C' T8 v7 c3 L( t& l q' k
set k (k + 1)
5 p- ^ Q* T) }]/ N3 Z7 G! p: U- @" G
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 2 m& k4 D# s u$ @
set global-reputation-list (replace-item j global-reputation-list new)7 ?- f9 m6 q# d* r6 b) q( B, k& k
set j (j + 1)' N- W C5 j9 }8 V5 P# `
]% C, |, Z' h0 e
end
! J# y9 h) @8 r, J0 ~3 M
; q' r5 u7 `: a- Y; I1 a* @1 B
1 ~1 W5 ?( ]9 r# H- l2 E7 L$ W+ Y6 K+ K" @
to get-color
0 o6 @8 B& K. B* j% V+ s
( V7 P& p( b: ~! R; j: lset color blue+ e1 _ _+ Y, ^8 W$ G% D3 f1 z
end0 B2 b) O: a3 n9 O7 o3 e
% i/ j9 i3 A1 d" z; B, f4 bto poll-class5 ~/ {& S: \7 i! ]) a# U
end, ]. ^0 _9 h Z3 J5 J( _% F
* l3 [. q/ w1 v0 L# j' B
to setup-plot1
( D5 t/ x9 b% \* o' v9 D2 a7 e2 v: ~; P; F6 s5 O
set-current-plot "Trends-of-Local-reputation"
' m* V1 l" @! r* l
2 K0 R7 w3 Y7 Q- Cset-plot-x-range 0 xmax
8 X8 p+ Q2 ?6 q/ l; X& Y6 ~; e+ l6 L0 K2 p: q( r q& a
set-plot-y-range 0.0 ymax
/ o" @4 C2 U3 i4 `7 m: \- r& Zend
$ g" S e7 Y, w# @5 w8 R: ~6 R' g1 e b8 y$ g1 a& G& s; ?+ k
to setup-plot2
- J, e1 ~) R1 I; b) o& d# }' h6 U
set-current-plot "Trends-of-global-reputation"+ c- K9 x4 K D6 D% K, V& Q; @
7 Y- H5 _# S# X! W
set-plot-x-range 0 xmax# ~2 F# }$ @+ t6 P, j6 o0 q9 m% X" Q
) G4 K* ]! p6 J. t6 W& kset-plot-y-range 0.0 ymax, y8 F: [$ z, E
end
2 @ f* P$ E0 V. }7 _6 B
2 T! f; J/ t7 y2 r* Ito setup-plot3
* }* {8 G9 L! r* C/ x- L; R- x- q5 y
set-current-plot "Trends-of-credibility"5 i9 p8 J( f* d: l
7 R1 g1 u. L( i
set-plot-x-range 0 xmax
' j( o; T: |9 `! {) M' W2 P0 Y- N% n% X& F* g% r. j
set-plot-y-range 0.0 ymax, h& m; G8 a4 y- H% e% ]
end( O# W$ e% W1 ?2 c5 d# U$ r
0 c& V3 c) E3 X9 i) q
to do-plots
: c0 o8 I$ b* N/ c0 H, f; Tset-current-plot "Trends-of-Local-reputation"! g$ y/ j, a/ k7 q) E- M7 c
set-current-plot-pen "Honest service"
( V' o8 _% y( F; T$ Y" wend
3 B" }+ q- {8 J$ G
9 w+ t; L1 P: U[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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