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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
4 I# [! v) X2 o, H. iglobals[: h- r ?! ~+ W; z: K
xmax
4 L, O7 [8 P1 S \6 ?ymax
1 n- [1 M J3 G: u) j0 Y" mglobal-reputation-list) _5 D8 p3 h3 b* c0 _
) ]. k1 u/ g# U e;;每一个turtle的全局声誉都存在此LIST中5 ?" s# X6 I* F* ~7 B" ~
credibility-list
" q' T5 S! x6 ?;;每一个turtle的评价可信度
V* V. W) U6 K6 v6 q9 Ahonest-service2 o/ W- B0 A* V1 k6 s
unhonest-service
~/ l* y! h+ F% v; |. poscillation
; }, Q( T) m5 g' v/ S4 I0 o/ j) vrand-dynamic& m8 f3 a; o( h( B. [4 d
]
3 M$ Q5 C1 k4 g/ T% [6 z
1 P x3 l) V7 F/ {. A& V% R, Dturtles-own[. m& c- R( e9 c: z2 r
trade-record-all& y! C5 H9 o' P/ P1 V/ R2 Z
;;a list of lists,由trade-record-one组成# G6 u: T) g7 C) P# d3 c
trade-record-one8 P$ c ?* @4 e8 }: ~4 ?6 j2 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6 [: F6 p+ x [$ z' B) R
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;;[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]]
! h/ t6 k) _( U) E1 D' ktrade-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 Y9 X0 m9 l; l. L9 j# l/ x- wcredibility-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
$ D# a) E2 i7 H; |# G1 R0 @4 o+ Oneighbor-total* q; J7 v1 U, X8 o7 f
;;记录该turtle的邻居节点的数目
- R! A8 _ \2 Ctrade-time; M5 G$ A; G# T; t- A, K3 P
;;当前发生交易的turtle的交易时间
: i# _2 {# O! U4 w% w6 cappraise-give8 h* Q1 w, l. _" g0 H* p
;;当前发生交易时给出的评价
4 _, z; |1 E/ K0 V$ ~9 K9 Nappraise-receive4 h0 n6 S6 I% w! t! d* A+ O% H
;;当前发生交易时收到的评价6 x5 l( M' P0 O
appraise-time
2 e/ ?7 n# }9 R9 G7 ];;当前发生交易时的评价时间6 D3 g6 l$ t6 f* w! Q3 y
local-reputation-now;;此次交易后相对于对方turtle的局部声誉) E4 R9 i3 |- `" y
trade-times-total
7 q9 m2 d9 u- \4 a& r+ k' k7 V;;与当前turtle的交易总次数8 ]! t' t, r4 e' w. m% A% j# P0 m: j
trade-money-total/ p/ h! y& l% M+ }, A$ _3 u; L
;;与当前turtle的交易总金额9 g5 g* o/ [& \( f+ D) S. e3 s! U
local-reputation
8 Y( Y% |+ _; B2 o- Uglobal-reputation
; o( O+ |# L) S2 j9 fcredibility$ E, t4 o0 W8 [3 q {3 x
;;评价可信度,每次交易后都需要更新
2 q4 K& ~- ~3 t& O& ucredibility-all/ x. P2 T# a+ N0 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
" w& B+ d% J( {8 N0 ^) [. e0 P7 K" n) I0 E J1 k; y) A: ?
;;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* [" w! L1 i0 T6 m8 ?3 e% N. f( `
credibility-one* W& S# a& e5 V: f4 z+ h& [. r
;;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/ S1 }0 h3 H, T3 I' T, `% W* I; S0 k
global-proportion, o7 ~, z2 u, g" K% W
customer
- g2 x7 l8 e8 w+ }customer-no0 v) r Y. a/ E( f0 j8 d9 g7 X
trust-ok3 i; a3 D. c. z) ~2 U1 I* h% I1 S. \% v
trade-record-one-len;;trade-record-one的长度! w# O' o2 e/ }1 |) f8 d+ d
]; n9 f8 m& A0 \- b
; [) J, L6 g+ @0 R: J" J& M;;setup procedure
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to setup
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" a9 b& V- l- }( M" {& y) ~ca
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initialize-settings
' \" T; }2 Y- ~. Q, B3 i" _2 ?7 j- \" P1 r+ Z* b' P6 \
crt people [setup-turtles]
# z) K# L! r: r. j" V; o7 x5 \- e2 f# S( X6 O( v9 Z9 y2 v: x
reset-timer
) L G. x% Q6 i) `1 U5 B
8 V0 m1 Z) q3 \+ bpoll-class
! m9 I8 p+ k" l3 x) a! J5 K5 Q$ K+ Q- B2 U( t8 ~+ z8 n
setup-plots
) y$ i, B2 k5 v* Z& M! U3 b9 P+ [
& Q1 P+ l' I' Ido-plots1 M1 X$ i2 o& @% B( W/ I
end
4 J6 i6 _! W' Q+ h* k! @) X( |: O- J6 C5 B# l) E% D" Y
to initialize-settings
4 K! D: A1 ^6 @& p- K
! @. o3 L; P1 Z7 ?4 Dset global-reputation-list []1 F, c" ~1 r3 Z9 B0 w3 h2 J+ o
! k5 |- c, t* N
set credibility-list n-values people [0.5]+ c# P* y; E# k. ?( }5 h: J5 k
/ f! V4 D# Z6 O1 K- }$ [set honest-service 0! h P% e6 o6 ?0 X! G
' A, A1 I- d# a- n! R
set unhonest-service 0$ B- s% B; W! _- D! r% N
& g& a- ^ x3 w) B! E( Dset oscillation 0$ v5 ~, E5 q7 y) K$ j8 a
4 F- u* k2 a4 Q: f/ W# F4 r% \set rand-dynamic 0
6 l& B2 V8 t' L! send+ d. I8 q( T' P" ?/ S# r( U9 f3 `1 P
7 C6 ]5 ^6 w+ D: Yto setup-turtles
: H3 M/ U a e5 Sset shape "person"- u0 Z% k; Y! B2 C: n( g
setxy random-xcor random-ycor0 f1 v7 |6 @) }. ^, q( x+ S% X, P
set trade-record-one []% R" g+ R" j c" g# f& O
; u: T7 y" s! n: E
set trade-record-all n-values people [(list (? + 1) 0 0)]
( n0 G, V4 G3 D) K9 F1 I; z! Y+ C7 W* m& F+ U
set trade-record-current []
( ?" F2 m) H4 I2 |- E- T& L# c* mset credibility-receive []# k& b1 X P! ?
set local-reputation 0.5
& ^7 o/ w h5 d" b$ Mset neighbor-total 0
2 M5 `% y8 d+ f4 Fset trade-times-total 0
/ i. Z# G) G" G5 Oset trade-money-total 0
$ j5 k6 Q0 K8 sset customer nobody
' {; Y* F' L0 r% C2 k) G% Q* nset credibility-all n-values people [creat-credibility]
& g6 o9 w% X: I% n1 U9 S' dset credibility n-values people [-1]
2 d" Q0 t, `; n# W& }- L. L' b! dget-color
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* Q1 i4 n$ k: u+ }6 C: M, J' qend+ t k. ~3 T3 j- P
/ G( Z. Z8 X0 O3 y* T+ C
to-report creat-credibility f, f8 e$ n) p" d0 ~4 m
report n-values people [0.5]
3 \6 \3 _ y: A0 ?% R/ o7 w4 Zend
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to setup-plots9 q' q; D; K$ q( _1 s$ I3 ]8 F
2 P+ p6 o- m1 Kset xmax 30$ i2 {1 Q0 L& E- I+ ]
* y5 w N+ R: xset ymax 1.0, [- p) j& a) r; q( ?9 @0 {5 W
. X: i. p5 W& I* d& g
clear-all-plots1 t3 S9 W8 |& c, R) m( y
, D$ n% n8 y$ P& D! x/ Bsetup-plot1* d6 x0 d, k- U! U! V
: i/ v- C6 ~9 j' x( Y R
setup-plot2) n2 L; K4 }' D( G g
J, U8 N, z5 Z* l* M) y: j# Isetup-plot3
2 e% T0 Q6 Q" e5 A- J, @' x0 Vend
* b/ l8 n8 s2 R
1 Y: ~, G: ] [;;run time procedures8 H. K7 T! o: e6 J
$ Y, c: Z# I8 J+ _2 }! i5 Q) w# j) Sto go
# w) d% [6 P+ I$ S' i+ J ?1 e P$ n V3 I4 i
ask turtles [do-business]1 Y( C' x5 L# q" N( a4 q* u* D
end% n; ~3 c. r. q9 e
0 Z9 w8 Z) t) K& G) Vto do-business 4 f( t) H: U5 s/ G: p2 C1 F# p
# Z3 L) C1 ^2 g( q B* c
/ @- k6 b! r7 b1 f g+ trt random 3609 h5 n; T9 s6 b
6 N7 {6 }& v/ o, q/ w; b
fd 1% L' Z8 Q. e$ O. j% ]% C# b; S) O
7 {9 d7 H/ C% p# Q5 Aifelse(other turtles-here != nobody)[ c7 K3 ^- `/ `. |, ~$ o* V9 m0 _7 h; Z
0 c9 y& s( e0 |6 }( T9 c& Zset customer one-of other turtles-here0 S- f( g$ \, Z" m) L v" F+ g
e) a2 _. g: \4 B" U;; set [customer] of customer myself
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) l! [% `* Y- [+ Q+ D% H2 jset [trade-record-one] of self item (([who] of customer) - 1)
! S8 w9 T# Q+ \6 \& x[trade-record-all]of self$ n3 j9 _9 \/ T! T* n& b0 P* u
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self, |1 [" N9 u$ f
6 v1 p0 E: s; G' l, x9 |
set [trade-record-one] of customer item (([who] of self) - 1)
. n6 p$ w+ }& N' m9 U[trade-record-all]of customer! k; u. G; e9 d( l) C+ l& f
: o, h0 Z7 J4 m3 Kset [trade-record-one-len] of self length [trade-record-one] of self4 R( H/ l2 Q; ^ ]* v3 t- v$ b
( \$ T( I* ]$ j2 pset trade-record-current( list (timer) (random money-upper-limit))
1 }5 V( _) q, E! i9 ^, b+ U) p
- z K5 X( M$ k2 S# ~6 Uask self [do-trust]& j1 y; k& G" B
;;先求i对j的信任度1 s1 L3 ?8 E, ~1 K! C
0 P y5 h2 _# l: }" ^if ([trust-ok] of self)
. E8 d8 C! @ K# E;;根据i对j的信任度来决定是否与j进行交易[, q0 H5 u" Z! W& ]
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
. p0 ` @* R( N/ f" G3 X- `+ Z0 q+ d2 I( k, c4 t
[# v" Y; r: `- z4 I3 v
4 u7 l l( N/ D( p' Pdo-trade
2 f6 |+ ]. S8 g& f% S
. o6 ~0 I) G& N! L; X# F) x Wupdate-credibility-ijl) o/ p! d5 k9 h
8 A8 R* k+ o& x pupdate-credibility-list
# g" b+ x/ B' ?. L9 K6 i, O! {6 E) x! Y0 p) w, b
]" i [/ K0 x' vupdate-global-reputation-list M1 X( | r% [! W7 _+ G
" m3 G, G) a( k
poll-class2 h: o4 i3 \. F0 g
; t0 w/ G+ A7 j4 ^! sget-color8 v8 C/ a1 ~- U8 f- \& k8 a& H
' ^7 f, Q8 L8 [: B6 B1 V% t
]]8 I! J8 {2 M; \* A& h, D, w
4 M/ m1 Q! z! s9 i8 P8 z0 G$ W
;;如果所得的信任度满足条件,则进行交易
& b7 Z$ D- g. ~ A8 m5 Z' Y$ I' i# o7 }/ c7 R& c- T( E) Z' N# w
[; k3 w8 K. a' X8 b# F
, V5 k% ~6 c. `/ H* rrt random 360# E. E8 F0 H4 [
/ f8 |% I% M# O/ j" ~1 e! O4 y8 rfd 1
" R5 H5 P }: X* A
6 T' [% b4 H8 `2 g]: x5 M0 K5 Y1 T$ d! }! Y9 ?
4 |8 M; R7 i0 `7 [; Z# nend
I n/ n% q' N- O- M$ S' ]' b' w K( s
to do-trust + {) o0 K- G t9 z" A8 X- z- v
set trust-ok False: ^ t ~: O5 u6 |8 @
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let max-trade-times 0+ d, |: B) G2 C- w/ J
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
) Y& W" R5 h# f; tlet max-trade-money 03 L R8 m# {' G# p3 D9 `
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
1 \* W/ p+ D2 `+ I, llet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
1 d& ^/ G1 q3 K( d4 N$ ?5 {& j/ F& D! R# P: Y% e
% \% o8 b/ A+ D0 Y, k
get-global-proportion8 _- N% ]( G3 Y) J) h) g3 d- V5 p
let trust-value0 Z& R% P3 S4 H
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' \3 c P" K
if(trust-value > trade-trust-value)
9 \5 _4 [7 H1 K( ]! U1 E: ?[set trust-ok true]8 Y+ |5 E% Q9 F% T4 H& v
end
* u& y' r; Q# }- U+ Y O
4 I- R) ]' {3 }8 O9 M( f- hto get-global-proportion
( L" ^/ |5 n: z# Nifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: w' j7 C$ q( @+ W[set global-proportion 0]4 F7 o, v% L# M( K8 F
[let i 0# _) f; t( N) e: i' o( z# s z8 S
let sum-money 09 s7 r* o' V( h& b8 ~
while[ i < people]
# v/ `9 y9 y- W$ s4 k[
) h2 P5 L$ `+ Z, _% A1 l* Xif( length (item i. W7 s8 p: b5 G6 x
[trade-record-all] of customer) > 3 )0 j' [* g Y5 y: F
[1 D# l# a. K/ n& s
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))+ P; J. Y3 i8 H* N$ g6 i
]
! [. k+ N' q. y) l]
; A+ `2 v3 ^* g& f9 ]let j 0. A% w& V1 ?3 [8 P* S) n' S- _. j% a. G
let note 0, z% k+ O+ w/ g: `1 x w* P
while[ j < people]7 G& z" Z$ v) U7 B- w" P% E
[5 g& k8 { L* w5 w* M
if( length (item i
# ]+ L$ H) a$ T* B1 f1 {" o; E9 Z, \[trade-record-all] of customer) > 3 )+ S4 U' |+ _: M
[
- s. X1 ?' _6 o9 ]/ ]8 b8 iifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
$ n; B% r, n& w! J9 @[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
3 K$ k, Q# o( |4 \ W9 Y) P% w! Q[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
2 f5 q) `5 a7 N2 Z- W]
) y) o, }/ T8 y# N7 `' T; J]( O' I1 y8 r1 x, N- U# t) i! [* u
set global-proportion note
% G0 j5 g* ]/ Y0 F8 m3 R]
4 b5 \! V9 O- T' w a/ L3 @$ B) C" ?end
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to do-trade
7 h4 @$ \' ?/ G9 k1 \/ P" g2 X;;这个过程实际上是给双方作出评价的过程# K4 e3 a" T0 I
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
# N1 N2 |7 J$ |. J. k0 Gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价: n* K1 H4 N6 A! X/ G* c8 s
set trade-record-current lput(timer) trade-record-current
& P' J9 f; L2 O! T6 F9 S) F;;评价时间
6 N! u; |( {4 V4 @# Q9 ]/ l ~ask myself [8 \ V: o' X g: G! K0 @5 t
update-local-reputation; D$ q' Q1 F; j3 F, t% A0 M
set trade-record-current lput([local-reputation] of myself) trade-record-current
8 f- i( f6 u7 o, x$ d4 o]6 u9 p7 s1 h6 R
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 l$ ^: x* ]8 n0 b- J;;将此次交易的记录加入到trade-record-one中. _& L+ {/ \9 H* o5 j9 t
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)6 e" h, _ v/ I& L7 `% o
let note (item 2 trade-record-current )
) s" U7 D) k7 f- X- ]+ S* \6 aset trade-record-current
3 z4 H6 L( H# l% p \4 E& ](replace-item 2 trade-record-current (item 3 trade-record-current))
: \7 U5 E% K+ Rset trade-record-current
7 L! p o* Z, ^* q' u(replace-item 3 trade-record-current note)" g. @* m) |* \, t: ?# q
4 u) c! m) T9 z& [% d0 P
" f5 ^$ \- K( l
ask customer [3 l6 p! m; K: @4 F& x5 R
update-local-reputation
! ]2 F4 m4 w7 d" O$ _8 h: Aset trade-record-current9 T/ R+ O8 i" t: Z+ s
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
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% h4 A" f8 f" `8 e6 n
4 ? x# q, m3 c. m2 J% F. Iset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
4 w0 N3 u6 e' z5 k% K3 J0 \7 J4 b/ U" J
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
& n: K4 t4 U9 }0 m9 V2 x;;将此次交易的记录加入到customer的trade-record-all中' s$ _: T: |1 \* b3 ?1 l' ?7 u
end
1 U8 _0 v9 F9 m3 _$ j
) i' o+ a9 p. l1 k$ eto update-local-reputation
% c9 D: w* g8 O3 w6 M# p+ s" hset [trade-record-one-len] of myself length [trade-record-one] of myself7 ]( t' r P4 X1 R( t
- u* v9 d& q3 H1 ?0 o, a0 R: S% n+ C! P
;;if [trade-record-one-len] of myself > 3 7 a2 q7 i. c( o2 u, @
update-neighbor-total/ Q4 P( E, p8 ~5 \+ c/ F
;;更新邻居节点的数目,在此进行2 A: P) U3 _( M/ J9 Y% C0 y
let i 3
) I/ w, `0 W" U# P$ c! wlet sum-time 0
5 i- M/ _0 e/ @/ Kwhile[i < [trade-record-one-len] of myself]
0 M" X# J$ c4 e[
) H5 |1 H1 Q- y/ tset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )5 \# Z6 D4 |6 y g6 J1 N
set i |8 B- x; D$ R7 ~; k0 J$ P+ `
( i + 1)
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let j 3, p, b7 o' g6 _ @. E
let sum-money 0) g" E) m, c2 b$ o- H
while[j < [trade-record-one-len] of myself]
, a) D. r5 h0 a; L9 W* J: H$ r5 ?[
2 C9 B6 E' W3 B: jset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)- Q" [ i& i& u; f, P: J. l2 m
set j
% T* A3 ?* O2 S0 _6 e; j6 _( j + 1). B1 _3 @! X" z' {7 l) j/ x1 c
]- q* [* q6 [3 @6 Y
let k 3
( l, A6 \) x" e* t9 n6 Ylet power 04 m8 `4 s5 X6 O, r
let local 0! M `( t6 e6 _% E& z' }- T
while [k <[trade-record-one-len] of myself]8 d* |6 ^% j4 u: ]+ c. c
[
6 s2 b# q7 Y. I; h# vset 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)
' C, ^% m c: J1 E' O' l( z! Pset k (k + 1)
: ?4 z( l4 V" ~5 k]& x4 u' ~2 w5 x+ M- k# V8 J
set [local-reputation] of myself (local)* |3 @# E6 ~8 x! e7 d/ x0 E
end
; V9 {: `* o0 W8 G8 t4 v, y* R; t/ m! y
; Y, T T' I3 o' Q8 P( Xto update-neighbor-total
+ N d6 i3 P8 f, P7 O; d8 \' K1 L4 y
. B$ x- W& d; _; _8 }2 Dif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ], c ]! c' p @
' W; d& s m8 N" V% o2 O, [0 _1 @' {# ]& ?0 x8 B0 H% \% ^
end
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to update-credibility-ijl
) [" i) p3 @% u1 C- d6 G7 H. E, M. U
;;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 z/ u4 g& b7 T4 L
let l 0
9 c; A0 Q( H1 [5 E2 Z8 zwhile[ l < people ]
3 B4 V P$ w, `;;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
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. J- ^, [( W& n# v# U( v! Wlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
8 B; S4 a1 D4 Jif (trade-record-one-j-l-len > 3)
8 O! h8 z, s& V4 m( I[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
: W8 A0 F3 [* K. c3 f0 jlet i 3
9 w3 T6 \2 i" s; {0 b' c7 Q+ Slet sum-time 0
& W" F! S5 U2 P$ n1 P+ Bwhile[i < trade-record-one-len]( [7 [" @4 A% B" G* g) F3 @ g
[! h+ E4 c6 _& W4 y; ]
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 ]1 J( X5 z# f& ^
set i
% A; P) P$ K/ Y/ w L( i + 1)1 W4 p8 A" R7 C C1 K5 h- D6 h
]
& M5 j7 X+ K9 M+ ]% Wlet credibility-i-j-l 0' l( S. o! Y- A) @
;;i评价(j对jl的评价)
9 N/ O5 [, y7 r$ v) f* Blet j 3
1 F: Q% b' z; Hlet k 4
# V2 T" k0 E( P' p3 N, V" lwhile[j < trade-record-one-len]
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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& ?% j" ^9 c0 ]9 w; F
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)& I6 d! t8 m4 a1 V' \& S
set j
: m& u( }% _9 E; i( j + 1)2 [8 u/ Q2 ?7 X1 X8 p. _. @
]6 T; {8 O; n( ], H
set [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 ))
3 H$ A* T* @! O' Q* [) B- x1 n& h0 t+ F6 ?/ W3 u: q
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
& E* T8 c) `: C# V3 Y; E9 v4 X;;及时更新i对l的评价质量的评价/ W' [1 ^$ c8 J4 Q: f4 y8 ]
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
3 M8 G7 q, z8 U \& mset l (l + 1)
! ?' ~/ m" v0 a5 G) a]
" P8 \/ O/ G5 V! q4 Zend% _: n L R2 I5 l% U& M
! ?8 I: C/ J9 I4 ~2 T" C/ F+ T
to update-credibility-list+ Y" v9 c2 w+ O. Q6 f0 S- b( R
let i 0) g: [/ Q. M" B6 y0 `1 P- b* d
while[i < people]
7 Q. q& S9 ]$ b* \[# Y+ J3 s" Z' E
let j 0
1 Z7 Y# L+ W3 ~5 clet note 0
2 ]' F" Q6 @5 Elet k 0
: n8 H3 W4 J, T3 l' h;;计作出过评价的邻居节点的数目
; H7 H0 {& ~/ Y; T, pwhile[j < people]
6 R0 |% Y) ~7 {+ W% v" |0 l) I5 c[6 ]; Y( h ` P$ ?' Z2 T1 F. q
if (item j( [credibility] of turtle (i + 1)) != -1)
- j/ Q7 ~1 m8 I2 n6 w* h;;判断是否给本turtle的评价质量做出过评价的节点
5 f! ~: ` D0 W& i3 f! {[set note (note + item j ([credibility]of turtle (i + 1)))
}! u* w7 r% _$ ^;;*(exp (-(people - 2)))/(people - 2))]9 c! T" B/ i: b5 P* s% Y
set k (k + 1)
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set j (j + 1)
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3 @: a9 d5 x# J0 e$ i( c7 kset note (note *(exp (- (1 / k)))/ k)6 \# c- C0 [: l$ x, ]
set credibility-list (replace-item i credibility-list note)4 X9 _% _4 V, c2 T) [, {
set i (i + 1): m9 f! g! m7 Q) M
]
/ _: `! O3 n: b$ M- r& f3 ~5 nend
3 Z! T; g N2 k, y U, e+ A. P, r0 E( C% Z
to update-global-reputation-list
- [' T5 q' ~4 ], H) `9 P% T% Clet j 0- ?* u( @6 T6 q* y8 l2 N0 k# g
while[j < people]3 ^9 p) ?9 p Z2 Z
[
! D6 E6 o% U9 G |( h+ a! p8 ylet new 0
: | l7 X4 f, I1 ?. M6 R;;暂存新的一个全局声誉2 X3 K( [; t# x+ P
let i 0
: `1 _* r; r Plet sum-money 0) @9 B( ^ b: `+ ?: @% O
let credibility-money 01 o: H, O. o! g
while [i < people]
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set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))) \: f( c- e1 [1 b" Y
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
! `+ f/ G7 q$ Y. Nset i (i + 1)9 m0 |7 X: Y. G: l
]3 t) R0 u( ?8 b0 b0 Z/ c
let k 0
$ R, Y! _* s2 Z. N5 Llet new1 0( ~! x6 v+ L! H5 s
while [k < people]% t @5 q0 E7 d4 B. X
[$ o$ }# v/ A+ x0 i
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)
' x9 O. e2 Z ^$ Yset k (k + 1)" @( M; Q; V0 j8 V3 R5 r8 W
]
+ b" I- A5 d' b- N. ^4 Y' |set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 6 a" Y/ ?' r K: c8 T1 E/ [
set global-reputation-list (replace-item j global-reputation-list new)
[" E& U0 P, o- jset j (j + 1)
0 |# o) L# A! b. ~/ l]' b2 A* Q5 g( T# C) r$ Q6 L5 P0 Z
end4 k, ?( c; _, ?: k6 N1 T
; |# p/ g h ^8 I, [ G/ f$ |8 Q" c
! M2 n; @0 s& Q
: V4 S/ N+ e* z& G! fto get-color
9 n+ ^8 B3 U3 Y. I, d/ q
7 R' V& x$ N* a' Yset color blue
, b( M1 e, }4 o9 qend M$ l& t/ X* w1 p x
# d/ R) n2 J- Q. l/ m2 Y7 f; `to poll-class! b% @2 x( D# l, Y. B% o
end
7 H; u3 t% d( M- z
5 G# d0 S5 e, T* wto setup-plot1
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set-current-plot "Trends-of-Local-reputation"
5 Z& A2 o! O0 q! O1 o# B
; t m) h! N7 b/ N: ]8 ~0 P, Nset-plot-x-range 0 xmax% |7 Q/ ?- H" e
! L- g" Y2 r$ J# [set-plot-y-range 0.0 ymax
' f5 S5 w! m+ @% Y% N/ zend
8 |1 y( m, ^3 C0 J4 T4 G7 u+ F# p h! r$ f1 L' A6 {
to setup-plot24 z! V1 y% B8 ]' p! C" D
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set-current-plot "Trends-of-global-reputation": j9 l6 C+ ~* [9 J- ^ x/ F" Y
4 ]8 n' y3 P$ h+ c; Iset-plot-x-range 0 xmax
$ g# D, D# C& [* {/ h
4 T( ]% R& H1 r+ G/ cset-plot-y-range 0.0 ymax
: {1 P- n0 M3 b1 Iend o t. N- X. F k; Z, _
* _" ]( j3 L2 E! E3 j, Ato setup-plot3
* i. ~& ^9 ] v5 p1 \# V% S. M+ j' \2 |, B" ?2 B
set-current-plot "Trends-of-credibility"
) ^9 w- P7 X. [. P
! A) J2 j. ]5 C/ M5 [/ |( l8 yset-plot-x-range 0 xmax
( a) U6 G4 g( D" W4 ^
) J6 g% V% b7 H# xset-plot-y-range 0.0 ymax
) I3 I8 A( H0 z) w' ^' Nend
% r6 n ?+ j- ]
. T$ z! Q6 I% _: Fto do-plots
( c2 y8 T+ P% ], Hset-current-plot "Trends-of-Local-reputation"+ h/ q: `/ k1 x
set-current-plot-pen "Honest service"5 y' R8 \ ~6 K
end" H0 n1 m! [, v2 L) a. j
7 `- P* T, q I; s$ h& f+ q) C4 R[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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