|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
! z; ?& y% Q8 j4 hglobals[
' M9 A" }) B; h0 M8 Wxmax
1 Z8 C+ U/ v5 Q' m! M# q- Symax
( a# X) j y0 L( i- Iglobal-reputation-list
/ z) Y& e) Z+ J8 I' J, | x% m5 F1 u8 e$ {
;;每一个turtle的全局声誉都存在此LIST中# Z7 r8 y0 i9 a9 z I; X. y
credibility-list
1 \/ B/ E* |8 F; ?) n;;每一个turtle的评价可信度
, y+ l) [; h' `: ^$ j$ Dhonest-service0 e3 j8 T% I# U$ c% q* x/ f
unhonest-service3 k+ }9 y" h$ q3 e" k- Y
oscillation
8 k, m+ c- e8 \6 i3 H1 p5 Nrand-dynamic& S6 W5 B7 R) K4 n
]
( X' l* t6 }' \$ s! r! Z* L+ q
" _7 r1 [ `( O8 H$ I. Lturtles-own[; F: c8 m1 K1 _& p
trade-record-all! j( V3 f$ y/ O" a' U" \ ]
;;a list of lists,由trade-record-one组成+ |) l5 [) M& z) }" \5 K; i* c2 o" K
trade-record-one
7 B/ z& Q4 A) f- i;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录; G: B; ~' D7 S7 y, e
/ d4 r2 g9 d& ^ P: G) @# ]$ l
;;[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]]$ Y0 H& v3 K$ ?7 [! w* U! B d
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# Y9 |7 z9 ^6 }( ^ z$ C
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list
3 ~5 N+ K+ i' \9 z4 Hneighbor-total2 }) F5 o7 T- I2 X S4 H* X
;;记录该turtle的邻居节点的数目8 I' S% \8 N+ q
trade-time
& R# x' S9 D# i& D# Y0 R8 x! b8 a) ?;;当前发生交易的turtle的交易时间$ L) c8 U3 c" ]2 ^ q8 ~$ F
appraise-give3 j$ l$ F+ V* n% m8 P
;;当前发生交易时给出的评价8 a. [$ |+ Z2 ]: |0 H
appraise-receive
x- i6 Z6 g. n+ `0 P;;当前发生交易时收到的评价
; x% ?7 y4 \% cappraise-time
3 |0 k! J. P- H& R1 x1 n" B;;当前发生交易时的评价时间
& g: ]) p2 }% P# klocal-reputation-now;;此次交易后相对于对方turtle的局部声誉) d+ j) h2 x3 m. M6 q2 s
trade-times-total- r a' p' Y+ {! y+ j4 t+ \
;;与当前turtle的交易总次数5 P) ~5 ^& k- H n3 C( [
trade-money-total
# @* \ m o3 |;;与当前turtle的交易总金额
& {5 u9 g3 v& Z1 g: M/ ^# Blocal-reputation
* |6 R. `0 b& R- U9 zglobal-reputation
/ Z4 F1 D, V3 L2 A- z6 R* Vcredibility
) x) P! a$ Q# E! t3 n& v: D;;评价可信度,每次交易后都需要更新# [. f) O" Y F& }- Y5 o6 B/ u
credibility-all
( B! A1 f& p, i4 v;;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 p& p" {& n/ k, k
0 c5 s9 r7 B7 D
;;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
7 U9 \6 K# d* z8 U/ X9 @* |) Ycredibility-one% G$ V) C" q$ y! {" l6 C
;;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% ?; K( E. c- `, J: m$ V
global-proportion3 Q' S& D$ |: E- n0 k2 y
customer
$ @* u! X9 n8 ]customer-no, ?9 w6 K$ z# w( o6 w: |
trust-ok
# I7 w% [: ] ^- ^; rtrade-record-one-len;;trade-record-one的长度4 Z0 X b( q% y, [% o$ Y
]1 H& Q. @7 G: V
# u% g2 Z. p2 j( ^; _& ?
;;setup procedure
0 y; b4 p! ^% N6 L& R9 X& `7 r- T. n/ v6 @
to setup
& k1 i0 v P; [+ r5 O6 e3 f; Y
( `5 r& }* `, n6 q% Fca3 h- ^! _: e; q1 ?6 `8 s7 ^
0 d2 x- ~5 ~# @
initialize-settings
2 I0 S3 n) o0 X7 ^
- Y+ H" t2 T! F' }4 s, Lcrt people [setup-turtles]% Q- n$ S. f" B: V6 U" a8 i
# m" @" z4 V! z2 C) X2 h
reset-timer
+ Q9 y! B1 U1 g# e- ~* R) B- O$ H5 s9 ]$ {
poll-class
2 S5 v5 K" D+ D# T, Y4 m' o8 I# D1 ]' Q0 t
setup-plots9 E0 i8 _$ m" \: o$ b" S ~. E& g
& z y) \# p+ o
do-plots \7 F# S( ]: d8 M" T
end
/ g' F1 W0 r% t2 S
. O8 S# p$ X0 |/ d$ i9 ?9 wto initialize-settings
6 T. r% X2 i& T6 p! I, ` X$ E9 h9 n2 W. y
set global-reputation-list [] f) J1 R: t3 ] B8 [: X7 t1 I3 f& k( P
1 ], K8 g% ]8 R; Rset credibility-list n-values people [0.5]
# Q5 f- D+ {6 q: O' S3 O5 t: d4 s+ x3 m1 Z. v
set honest-service 01 n+ J1 o0 I+ a
( ?9 W% `% [: z; ^* tset unhonest-service 0
6 f- F3 e8 b" M$ n
: @; |! e/ `3 T0 r- Wset oscillation 0( B& r, w) p4 S+ k
0 k6 a/ Q9 D1 s
set rand-dynamic 0
5 O& _/ n/ C9 V, ]end, W( a j; Y# K z
1 e; P& K0 Z( m# U7 X3 n
to setup-turtles 9 G) l' M w. _
set shape "person"
1 B8 ^3 o. U) D1 E5 |$ m5 C4 ysetxy random-xcor random-ycor% C9 ]* X" ~5 G! E
set trade-record-one []
0 [) I. |2 ?( U
1 p; V. h2 D$ [/ K( }' ?- hset trade-record-all n-values people [(list (? + 1) 0 0)]
/ x7 }. E$ ^0 m6 Q
: W. P* ~7 G( m. zset trade-record-current []& j' o3 J2 L" p5 I8 V
set credibility-receive []
8 ^( x4 n! \/ m/ E2 sset local-reputation 0.5" o! z% e* Y( {4 w, |
set neighbor-total 0
. k% h/ V& e- v: oset trade-times-total 0# A- v4 T7 ~0 O- _- ^
set trade-money-total 0
' l; X2 ?4 r) o# n! h7 E- ^set customer nobody
: g# p* G, |8 b- cset credibility-all n-values people [creat-credibility]
" R. i& t0 W, @6 `$ sset credibility n-values people [-1]1 q0 M7 g" P, g, o0 i- |
get-color
2 N: `# i" L" L
. F/ t5 A1 H; s: Q$ {, e& D [2 jend3 A: H- n$ V# A
$ B" n2 q# O# `0 vto-report creat-credibility
' V2 N' Y6 P5 N0 t5 D. f5 w- s5 Dreport n-values people [0.5]
4 x" L+ O% p& I- z2 ^: Lend
' E& b8 Y8 J5 c) K* S2 A: H6 ^5 E, S8 z7 A' j
to setup-plots
& y; O4 T" g. `0 d, x5 F1 p* g9 s- i& w$ e3 W( \3 w
set xmax 30) ?, g1 n: L* p6 R
5 g3 Y3 E. T( A1 x% y2 v) A I
set ymax 1.0
' ?, d3 A% C+ G b" y
N# g1 m5 I9 wclear-all-plots
1 Y' l/ h* ^5 U2 R3 ^ ~* A# y9 j( l) [2 t) Z
setup-plot1
1 j0 R+ X: [7 w) ?
" j6 G8 k$ `6 p" {8 t; r( ]setup-plot2
6 n. H! S2 V' L8 U9 \. K4 k1 L0 n' H( Z6 ~( P, N2 L
setup-plot3
' p8 B) G; w- Bend
, [/ J# e6 r' o5 ~
* @1 q8 q" u+ h8 X2 F;;run time procedures
" V/ m) W- P# f9 e V6 G
. ^) |$ j2 _6 p+ h3 Z7 Q$ t6 Pto go
3 ~- R6 w7 b7 A# l* y' l Q
9 W6 ]! k$ z8 r- p9 s2 \8 @ask turtles [do-business]
- a. [4 u& q5 }9 x9 e% {end6 v J! S! y' A! O
^% J: }( m' h" Z4 F& ~
to do-business
, G) F3 ?: I0 |& L3 V; T Y1 N# {5 D9 P* y5 m9 @! A
) J& \: W8 t p7 _ e/ C$ `+ zrt random 360& ]2 h( w, N* w. v# p) p
/ _! a8 O; }( L5 Q* Ufd 1; U9 M1 W" ?8 a& i& \! t" g
9 T, N/ d" X' D
ifelse(other turtles-here != nobody)[2 l: O4 s, E7 Z+ z' A: X) `9 `
& _0 ]3 n; S% Z. A* A1 I
set customer one-of other turtles-here7 k' U2 @) n0 H1 @
' ?9 Q5 ]. P) o9 Z/ R
;; set [customer] of customer myself
2 Y7 ^! o0 _# C+ v" \$ V+ G6 N; R( U; u+ i) A9 S
set [trade-record-one] of self item (([who] of customer) - 1)! `2 B% f( C# X6 Z( @
[trade-record-all]of self
; N3 M+ `% G& k0 L;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self: t! z1 d' E7 ^' m6 A+ N% e& U
: \9 X L; X' J( ~6 o
set [trade-record-one] of customer item (([who] of self) - 1)2 J! ]; f/ P. x; p5 i7 Q2 n
[trade-record-all]of customer" C0 N" D) P) n! h
6 m: x) `6 w, J& gset [trade-record-one-len] of self length [trade-record-one] of self; t" x1 h- L( p! ^: p1 w( ?8 v
3 _7 D, x' j! T/ |4 a3 b# ?
set trade-record-current( list (timer) (random money-upper-limit))
! `/ E D% U* a5 ^- G. h+ m y) C2 p$ Y! r6 m* s6 H
ask self [do-trust]
/ {) N3 ]0 H: L5 P, L# |( ^;;先求i对j的信任度
0 b r$ \; j- v4 T
" M) d/ d P( y Eif ([trust-ok] of self)
+ x9 `/ W" ^1 w6 N( N6 Z: E;;根据i对j的信任度来决定是否与j进行交易[2 T1 j1 y. i& f- h
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself" Q2 b3 V7 A9 @$ e
5 D" v. j9 D3 R[
+ g# G- |) B% g1 H+ A; w& u/ G) J0 Y) u" e
do-trade
6 U8 D2 l" ?. U3 d; G/ B; t ]8 y$ G7 C0 m6 J+ ^, {
update-credibility-ijl
) z: H! E7 }( n* _$ }& l$ L
! z% D* @# D F X& `! iupdate-credibility-list
2 f0 f4 B' }0 ?+ W# W# x. l# z. O$ K) n* H$ W) }" X+ ~
( \0 D" H0 `% c: W) q
update-global-reputation-list
% b3 H2 B8 E1 S7 G
4 S- T" W4 v8 ]2 A5 J1 T9 Z" E, }poll-class4 a7 |, o% O3 k$ g P
9 w, ]( ~- ?1 o( S4 ~) Pget-color
3 J4 J; O* f, z- j) s
# d, W- i% ?" t* A0 n( F, `]]
9 p- D5 V" o: E7 S6 o/ W& U* d( H' b
$ I8 _+ g, h6 v& J;;如果所得的信任度满足条件,则进行交易3 s! ]: g6 W- `: Y# v
) X+ O( H$ F# p- E& S7 N* w
[8 X e: {9 t( T" ~+ L/ e
/ G9 d. m* n% |$ Crt random 3606 Q) r5 f! A' t, T% E
: Q! I6 ~# ] j. g9 e Y# Q
fd 1
# I) Z9 j& @6 ~' \+ U* _: v n( {* K- }: C S9 p
]8 B5 ], t+ n" A! Q
# M J' t6 T+ @+ ?. nend
: H# Q+ |* E5 I, p, r; S0 }* d5 c$ J, x& b5 e' M7 r- d9 }* F
to do-trust ; Z% D; v) k: d7 z+ e8 E& [9 d
set trust-ok False, |" Q! W6 A: }' O2 ]. v
5 l1 r% o5 D# r. j, \0 k0 B
! q& H$ b! l; ^+ Ilet max-trade-times 0/ r( L& o& e: v
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]# a; x3 D, D2 d- s+ N5 } x" ^
let max-trade-money 0
0 l: b+ K4 P9 {7 A0 C G) b4 O+ h1 xforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]0 B; Y- l3 z! a0 t$ g
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
# ^9 h5 `0 Y- n4 W% Q0 }# B) t4 Z6 _, Y$ a0 z
: N( y; R6 v9 b( h: B
get-global-proportion
0 _8 x7 X4 h$ D* Jlet trust-value) b! Y! x- h0 N4 z) D" j
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)0 N# r- P. D" t1 _* R
if(trust-value > trade-trust-value)( S$ M- T j: H
[set trust-ok true]
' A1 u7 L$ n: B9 p7 M: mend
4 o" I% j$ F+ T- G9 M- {
' \. J( u& G# a, Z/ eto get-global-proportion& _1 S4 ~0 ?1 J* s% c
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)* C/ J2 b, D/ B8 V& x8 C! Q) \
[set global-proportion 0]
: L8 M# v6 ?8 a6 ?, F/ E[let i 0
* w4 t. N/ y, w6 @' s6 Vlet sum-money 0) B$ J7 ?+ X! J0 y+ }$ h
while[ i < people]. f! P% n9 L2 r! G
[3 D( ^5 A. s/ ~# \
if( length (item i
% L2 [8 D" I) [[trade-record-all] of customer) > 3 )) `: x& D8 k. \, v
[* ]* Z: G) X, v& U) K" K
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
6 I1 M6 x, z6 y, ]9 g' j v9 W2 J]4 ~( E D, I; s* I0 A
]4 r: l, m g& L( r0 k1 n
let j 0/ E' K& q2 j, A8 v b* s+ i+ y9 a" N
let note 0
2 i% v1 k# F; u) B0 ^while[ j < people]
- X; f. e8 [, d[
2 x; g c) p2 I! w) Fif( length (item i1 J% \ Q- k/ P2 n5 p9 ^% K
[trade-record-all] of customer) > 3 )* Z4 `' A5 X+ y$ ~
[
F- ^* J) y& n. {$ c8 u6 B: Nifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)* r8 z ^3 o* r# P/ p" m
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
& ?0 j4 b+ \, w4 ?5 W[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] F, I& J- D5 K- y
]5 a3 w6 n- A G3 X/ E& l5 ^. C
]
9 c# f3 v1 M/ K, b$ fset global-proportion note* F& `# ^+ K: n0 t; Z! a& K
]+ G, N" j2 w) P% x" O
end6 R5 ?( D8 I; T, O! k7 |
8 d2 c* \& O- D: C2 ?
to do-trade' |! H3 V$ \2 Q+ T3 _9 k7 B9 M
;;这个过程实际上是给双方作出评价的过程
( W' n/ e( @" e, z. s ], Uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
F+ H0 c ^4 E) R. q* R: q, gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- m( r0 W( f" L- Q( S X
set trade-record-current lput(timer) trade-record-current
0 j. l: `$ j/ d$ e! C0 i) a; G+ L;;评价时间
7 G) h$ A( Y# E% X u' P! ~$ hask myself [
E' W7 o. _/ H0 K+ S5 l* V. P) Zupdate-local-reputation
. G0 C2 ^/ e* w1 eset trade-record-current lput([local-reputation] of myself) trade-record-current" g3 E5 i! z' O9 H; |
]8 `1 O: G* {* w6 Z! b
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
/ k$ \4 o: F1 O7 G- o- M, w' V;;将此次交易的记录加入到trade-record-one中8 Q2 t+ r5 [; ^" M
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
: z* n/ `" d8 F/ U L& Xlet note (item 2 trade-record-current )% W9 _5 r/ M' v1 P. U
set trade-record-current4 F( t. }: Y% P: ^* o1 A' i5 S
(replace-item 2 trade-record-current (item 3 trade-record-current))
! m/ s$ K& t; P/ r9 h1 i! Y hset trade-record-current! s$ H n! p( `2 A* F- l" |7 [
(replace-item 3 trade-record-current note)
/ l8 {; \7 _% N/ r: k
! h+ H6 @) ~* M6 L }* w" ?1 R# H/ h1 O# }! N" T0 u
ask customer [
7 F8 H& v8 ?3 j# O/ xupdate-local-reputation
# K; Z) I7 x! t- cset trade-record-current( s8 u4 F4 E8 C1 E. c# }1 e' Y$ B" F
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
& g- c$ A) S/ Z. n# F' l( I]3 T b# l- S1 G, S. _! C: y; U
. B3 n3 G; d) Y, q+ w6 x( ]7 l
$ \3 \; E0 [* z+ Aset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
9 ~& x! }& G2 w6 X- |4 V) q% G) n% h0 d. \ g% b
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
! M% j1 T; a! F;;将此次交易的记录加入到customer的trade-record-all中% L2 u: Y8 S9 I
end
( L5 j! z I7 Y; M, p
3 H' I* ]3 ?8 G/ @ `to update-local-reputation
5 L" {6 ?3 m( Lset [trade-record-one-len] of myself length [trade-record-one] of myself/ z- i- S+ G2 s4 Y
^$ Q ], m6 ~% U" b" }. c3 o7 T9 y7 F0 @1 e7 j- T$ ]
;;if [trade-record-one-len] of myself > 3
, w: x# n+ P+ B+ Z' _ Zupdate-neighbor-total& g& h1 X3 f3 m9 y
;;更新邻居节点的数目,在此进行
. r. L, V+ p. w- v, Clet i 3
4 a8 E) ~9 Q/ o9 u# |let sum-time 0
+ k5 J* ^9 ~0 [; ]4 ?* e8 w& [while[i < [trade-record-one-len] of myself]
9 q- J8 P2 M! t2 z' S7 z1 d7 I[& R! P4 b9 K, B4 L9 j5 b8 g
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )! q: r: a% v3 p$ A
set i
- w4 o1 Z, Y9 W; Y6 M' @4 G; v( i + 1); p& j. c. E+ \ j! e- ]
]
9 B; e8 z9 v3 E2 r. I6 |let j 3
9 i$ u( q3 y" _+ c) K' V4 C- P! jlet sum-money 0
$ t3 z! t3 u8 Y7 [. ~5 N |9 _/ o0 m' z5 [while[j < [trade-record-one-len] of myself]
' j. E ~2 s$ M) ?/ ?; m[, e ^+ c+ @$ m/ d
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)
# O8 ^8 w3 i; W' C3 tset j4 g/ r3 r+ U, Z1 }+ ?
( j + 1)
; c% T$ J7 K, Q% x }& e- y/ []
4 s( m8 |6 r/ L, Jlet k 3
7 m# T8 n5 |7 m% g ~let power 0/ {+ S) @4 j& r2 p
let local 0
9 `( ]" T$ M9 } d9 m/ }" Nwhile [k <[trade-record-one-len] of myself]' x1 z8 s/ z1 F8 K8 W. e
[& j/ W5 V1 D4 ^3 h; e
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) $ {' H% C9 X7 r. D. c3 o
set k (k + 1)' H: j& ]# W5 B$ B& o' G
]0 @0 f1 t% j5 q2 J# b
set [local-reputation] of myself (local)8 I+ S' p9 U: d
end
" p; _7 h8 x) N: `& {( a5 s. {5 _$ ]3 Q; Y# r
to update-neighbor-total3 u5 g+ K) I% \! b4 Y* \) ^
% ]; ~2 _- Z: s! R q4 J# K8 P
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
+ ?. h$ K/ s1 q! W& h' G8 r3 S N3 ]
" q- \2 M9 f- A+ O" \$ @$ }" B- P! i2 `
end
6 P6 V2 V- H b/ _) T( s9 X+ d1 l1 a# |+ A7 E' j, q& Z
to update-credibility-ijl
, {0 F! u0 w* X' E: ~
6 }5 G6 y. a' o' @/ o' r- s;;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。
! ^, f. R) g$ Tlet l 0
$ ~* o" S, q0 m5 fwhile[ l < people ]- e5 `2 Q3 J+ l# T! l! y
;;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
' `& G/ O6 ] W0 y, `7 N[ N! s% D, T, x7 N' V0 |' \/ M
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)* h) F E. c" p9 n/ h d1 I
if (trade-record-one-j-l-len > 3)
+ D, X8 Q/ V* |; J0 f5 l# K0 K. l) b[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-one2 Y# O5 q [- k: Q* I) |3 D3 I2 v
let i 3$ e* J S2 U; I! C
let sum-time 0
' [2 N$ m2 B' m, Nwhile[i < trade-record-one-len]
+ H. _' H' ?: O9 K[
( M* Y2 G) R Tset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )9 l3 [% d: m2 B# i: ]' s
set i8 `% ~# I5 }% H* V1 a' l; ?
( i + 1)
6 ~. ?4 T* y4 \8 v0 b]+ w/ P3 ]/ L+ u* D; g0 D* W
let credibility-i-j-l 0
2 p1 L4 I$ F* K9 C, i: j! @;;i评价(j对jl的评价)* Q& C$ a- r% \( e5 l9 h5 C
let j 3
/ E; c% ^( H' R/ \; llet k 4/ x9 _" ]4 r% H
while[j < trade-record-one-len]" G, X5 e7 L) s q: c2 w2 ?
[
# r# H& p2 w, @/ j2 V4 gwhile [((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( Z+ f8 |$ j% b1 \2 L
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)+ a4 X; f. {6 Y& c9 C- R% h
set j
+ H7 H. ]7 L' v! o r( j + 1)& b7 }3 h8 n" b# @% q$ ~( h
]+ e0 M2 I3 T7 S
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 ))
2 N& V1 V% n& O5 j* V$ K/ Z
/ s$ T8 _- }& P. `+ H$ a6 C( c# E% p8 e/ F4 r
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))0 U% z, }1 F" \$ x- ?) h
;;及时更新i对l的评价质量的评价
5 `' _; \. E& Q% F. t* q. Yset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ B& e" J+ w5 ~7 O! g( d
set l (l + 1)3 |" p6 v$ U+ ?5 z
]* V6 W$ h+ {1 ^, y# P
end8 v: W5 e/ L% J _
$ Q: q9 t' `3 k1 cto update-credibility-list) r1 ]6 l* Q6 m* z* x/ N. I
let i 0
" V# R2 v7 d' ]' l, xwhile[i < people]& J9 l# K, ^! f( n# n6 w& t
[
( m' r4 n% G8 C& hlet j 0% {& A* C9 X( x( ^9 Y
let note 0
" ~# R+ _ R9 ?9 Z% Mlet k 0 E6 [2 ?9 v% W$ Y; } T7 b
;;计作出过评价的邻居节点的数目, D3 ?9 g' \: y O! t2 Q2 W$ h
while[j < people]. B/ d' }- E2 G* H) Q% w d
[
, v0 @0 t# K' c3 X! e7 T* jif (item j( [credibility] of turtle (i + 1)) != -1)7 g, Q& h8 D; p B5 E
;;判断是否给本turtle的评价质量做出过评价的节点
9 M7 e1 k1 K2 P b9 E[set note (note + item j ([credibility]of turtle (i + 1)))
. {8 _4 M! U. V/ L$ U2 K;;*(exp (-(people - 2)))/(people - 2))]
4 e1 T; c* S; L) s* ?5 N: @6 pset k (k + 1)
; z9 d0 ~' A& [3 k]
, v( E: K' l* ^0 wset j (j + 1)
0 n2 V) r6 D, T, ]0 w5 Z]
( x! h0 C0 y/ W+ d' |, d/ H, Pset note (note *(exp (- (1 / k)))/ k)
( N( X* W8 R+ R% A% K, u, Gset credibility-list (replace-item i credibility-list note)2 M# t/ R4 V; z7 ?) D
set i (i + 1)
$ Z, _/ _3 p; t5 q]! S+ k+ r1 @! E0 r' O6 D( g
end
2 ^3 n' R" O% a( [# M3 b7 F n* P
- M7 O- A7 k* Z/ |to update-global-reputation-list
& s1 G# t: ]# @2 zlet j 0) D1 Y1 j( V# U0 A; \" t
while[j < people]" ~4 l, O: J) j4 I
[+ ~- W% A/ {6 O1 D! g* V
let new 0
! p/ n7 w7 ?& @;;暂存新的一个全局声誉" o7 T$ S ~2 }
let i 07 l T7 V: k% z' d: W+ z. N
let sum-money 0
5 K& u: j- s# L6 G; r' z+ ~let credibility-money 01 y% n2 P% y# c! X, j) S9 j x
while [i < people]8 w" R7 F0 G4 p5 F! m
[. m" Y. o: i+ X+ T/ V* I
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))4 c, T( ^5 R l0 N9 a+ @+ b
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))8 I, p8 z" n! H% J1 G+ B" f8 ?
set i (i + 1)
0 P: ~) W& K" @7 x" E8 V0 e' j]
- I7 s2 a0 ~- y" a0 I: plet k 0' k+ \1 R9 ~ F7 Q
let new1 0
, \+ V- a, L6 C# p4 _while [k < people]1 H9 k/ ?$ `% E9 d: \& m
[
3 S2 @) Z2 s9 |& w# C2 l0 V8 ` Uset 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)/ T! [8 u x. u& ]1 F' l
set k (k + 1)3 i% _* V4 `7 M- J
]
$ [8 C# ]+ T1 W8 A5 V; gset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
6 p$ h$ S7 y4 |/ F, C, p$ [set global-reputation-list (replace-item j global-reputation-list new)9 x, s. G( Z$ g8 h/ J
set j (j + 1)
, [( Y( H- Z, \4 J; i]
& [& h( }" }# [end; M: b7 m/ s$ E& [" ^
p, o2 K' G0 a# ~: F" X: P* B0 |) U
1 h8 y4 A7 v# d6 b O2 }7 @
5 O% z2 |& f, O5 |0 l* ]6 V5 Jto get-color$ z3 T3 R/ c2 F3 S
, Y4 H6 ]- I2 k/ ?( K7 Z' T% `set color blue0 _& X+ o. {8 `- O$ A; X- c% z
end
! Z8 `6 ~ P6 J; E
9 Y# v0 g$ P+ N( ?" t/ d v5 C" |to poll-class8 Q! k: S1 q+ T4 @
end t. _+ U, _# ?5 H2 d4 B: q. I
$ U6 d9 A: r7 Q* r( jto setup-plot15 |3 Y( l+ d2 [3 B) v0 r. D
: ]1 E7 v2 ^9 d+ R
set-current-plot "Trends-of-Local-reputation"1 l3 T$ F. N7 C: _& s" o& B e( Z
5 q7 [1 D/ T; a* ]$ Xset-plot-x-range 0 xmax- Z) ~4 C* f A: M
! g8 o# U7 t9 l8 H$ O: M
set-plot-y-range 0.0 ymax
; ^0 H# [% m7 N3 s% t( hend
3 T, e0 i3 S- R6 C3 ?, X [0 R3 P1 J) C& v! c' Z ?- q
to setup-plot23 z$ E+ O X9 x9 r( p! ?9 _
+ D1 E5 [4 d7 V- Z: b6 H
set-current-plot "Trends-of-global-reputation"/ ^2 [& G* j0 C @
* M- E7 s) H& W! ^1 F" L/ _9 Iset-plot-x-range 0 xmax, P* \1 X3 q8 @% y
5 O0 K3 o* Q9 I3 h4 w. q0 Pset-plot-y-range 0.0 ymax
/ f' Q$ E0 p1 v6 jend/ m6 K! k* R, q: `4 Y6 w
* W4 w4 R" }# u, k2 Dto setup-plot3, h' d& I% W9 l) E$ R9 i, K1 R
& B+ W4 Z! N9 O2 Z9 pset-current-plot "Trends-of-credibility"
! T9 U" w* Z4 H4 N* b% `4 _ m% z P P8 n% K& }
set-plot-x-range 0 xmax. p7 J9 M! ~* a- o* X4 K! J
& F2 m' J& a6 o
set-plot-y-range 0.0 ymax
, I; j$ C* j/ ?+ Q. V1 Zend
; c! L, E. p1 ]5 {
( A0 [! e. C6 @+ _, z( Qto do-plots. |! B) z, G2 |: y$ W, g+ S f6 G; T3 }
set-current-plot "Trends-of-Local-reputation"4 B% c& z; l" J8 T- K, |
set-current-plot-pen "Honest service"3 s, ~" M0 }* W% x2 V1 K9 D
end
- _3 ]: s3 J" M/ e+ D' U/ c4 A! ~( I' M
% b: v# `. |$ ^; L4 R[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|