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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
% `* p H0 d2 n. jglobals[& X$ ]! o% D, d4 P' q- e4 J
xmax
& w6 y$ }3 m7 Kymax+ t6 [& E1 V% P
global-reputation-list$ e& E0 \; i+ k- W
) n3 i$ F$ i& |. s9 J7 b* I% v;;每一个turtle的全局声誉都存在此LIST中4 O3 O! f- q* _
credibility-list
$ @5 k, h- ~+ d, _7 j+ U# _;;每一个turtle的评价可信度& _$ T: _6 V1 a$ [1 s
honest-service
! i/ j. v, W; k2 a1 X6 s; Iunhonest-service8 ?8 T' Z( e4 J- Q
oscillation' l1 M/ s9 _7 P2 B- H$ y
rand-dynamic# v4 t3 N2 b8 o9 F& N% ]3 p/ s! H
]3 V' x5 a9 t. c
0 u; e2 o% h! I6 Wturtles-own[ w! i' B8 q, d. ]
trade-record-all* t( R, \4 G8 F6 u* K1 {
;;a list of lists,由trade-record-one组成
% ] @7 \7 A0 e- D7 ztrade-record-one
' X+ E, \5 b- n! }2 r* y5 ~6 k;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录& j7 P; n3 g6 U h6 J" j! _; ~
p2 n# g" Y4 o8 M5 `8 c& R;;[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]] e& E$ V# L' z5 P( L+ _% I
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]
/ U$ A* S" T9 o: c: F0 jcredibility-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( X$ z, m# @7 i9 S
neighbor-total
2 I; t: ~, l, ]. X };;记录该turtle的邻居节点的数目
0 {' F( ?! k' d$ V0 D- e# g( q+ {# ~trade-time8 c$ p, x3 Y9 j/ `7 @2 g
;;当前发生交易的turtle的交易时间
7 B& _' S n* O' s" q8 Dappraise-give3 F' ]5 G: k6 e3 v7 V
;;当前发生交易时给出的评价
. ]0 D2 f" R* v5 Oappraise-receive
1 ]( W* t3 o/ P;;当前发生交易时收到的评价
5 G4 K! P2 p( L6 g7 F5 bappraise-time
8 K0 f( K% Z( G t1 M3 c8 I;;当前发生交易时的评价时间
4 P( l! c. {$ [" ~local-reputation-now;;此次交易后相对于对方turtle的局部声誉+ u' \: f( D4 e) R& n- P9 {
trade-times-total
. R* |% m- |2 M2 b;;与当前turtle的交易总次数) d% v r3 M$ i
trade-money-total
4 ]. y: _; i$ }* W;;与当前turtle的交易总金额( H$ ]$ ?1 B" I, J
local-reputation, b+ [2 i. N5 U+ e1 K: P8 Z( s
global-reputation# g: V$ b u2 n0 F/ Q' e
credibility
; Y. K; |; ]% N5 O4 _" N- D' E;;评价可信度,每次交易后都需要更新2 h1 c; B; U W2 `
credibility-all6 h; y- {5 X$ K3 K. N! O% \/ Y' Q
;;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
& F5 \: h) [6 `8 l, B& K
K) G6 V* O k8 q: z; O4 h;;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! ?4 u a2 @ y( m- u- w0 ^9 M
credibility-one
* E0 U: i( K6 X" A3 W0 q# z& 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
! V% \- ~7 ]" \ Mglobal-proportion0 q6 \, u( ^, d( [: z. M
customer1 Y7 f6 U: Q' _% ~8 L
customer-no
' C& L3 {5 c" Ntrust-ok
; {$ w6 b Y8 V% Vtrade-record-one-len;;trade-record-one的长度
6 i- \4 ~3 d5 I- U]" A: a: v/ _3 I3 j9 k
* ?& U R- H0 V! a( k;;setup procedure
5 h4 y# m$ `9 l" v
' F$ K" Q* ?# c- W7 R% Sto setup
. o7 c: p0 F+ [& b: W! r# s: E
# z) C+ k0 a+ C' yca
$ G* h- R: d) u0 Y2 V9 l- S. Y. S2 f1 [# I
initialize-settings
~3 k, H* I6 c* @+ Z* ?% A$ W
s; S9 F9 z' m; rcrt people [setup-turtles]! \! H. x( ~8 S- T! o8 ~
- W8 ~' T+ g5 }0 y! ^2 h" N
reset-timer4 y$ l. Y1 i7 z. Z
0 s3 e( ?* ^5 w7 [
poll-class
4 I7 a- \- z8 U# a
4 I7 i- q* O& Z2 ^setup-plots! a: l/ s, @ E% W* k1 q8 l* B
2 v2 S5 f7 |& I2 G, A8 L* Ado-plots9 L+ _, @4 T! S1 ]- S6 ?
end' y# @' _% ?( |5 G# v2 f0 L- E2 |
0 j4 ^% V6 r0 C" P: D4 j3 p3 V9 l5 lto initialize-settings
5 ?6 { a( s8 @. m, N6 @
D E2 p/ p5 v# \* Y) U% z0 zset global-reputation-list []
6 n3 w% W3 g4 v& S' u5 ^
/ }# ]9 K' G1 e4 E( }) M5 bset credibility-list n-values people [0.5]
8 l. X4 i( q1 z& Z! N) Q8 v$ d6 u8 y- C# S
set honest-service 0
" m" L; c4 t% a" t7 K" @& ~9 [
, {/ }" r" A# }$ }set unhonest-service 0' W. C) e1 _& `- T& h% Q1 X0 ^
/ L! M! a" p% A3 `
set oscillation 05 s& b) v d9 H- K
: j% a! C( P! Z( {: v
set rand-dynamic 0$ O& V( P% g: n$ ^0 v4 |/ P$ Q
end: \# F. a. }6 C& R
; r8 d- T) f9 d0 S/ `" cto setup-turtles # E5 S! u# L/ l+ o8 r
set shape "person"! ]& X G! s1 P
setxy random-xcor random-ycor2 E. _9 z( W: }* A
set trade-record-one []5 z: C. l) {, `* n& B( G J
, G: q, V3 h& xset trade-record-all n-values people [(list (? + 1) 0 0)]
2 c: U2 _1 B; c3 V$ ]8 j2 e# y0 \
set trade-record-current []
+ n: a$ e) L" D' r4 p# u! d8 Cset credibility-receive [], h, j6 b" f. B; b. g* y3 g
set local-reputation 0.52 Z8 B* H1 ]( w! S2 Y8 j& G
set neighbor-total 0+ \9 y/ M$ M! m; R# {! |
set trade-times-total 0
3 l+ j* M5 o/ L0 [set trade-money-total 0/ F3 r4 Q. C; K9 C; u- i
set customer nobody
" E. b# d+ ]& A: F0 Zset credibility-all n-values people [creat-credibility]
% b- l, i( s' Q, j! M) {2 sset credibility n-values people [-1]
: v+ p0 X0 a1 A' O) `) B9 ^6 ?$ F1 Tget-color
# R3 T0 z$ g6 d- i) i( g7 f* p$ f" J: l
' I+ {) e$ r! K- d6 Vend
; l" x: v7 I; Z7 g3 A) q
6 B, U0 |, s4 T9 kto-report creat-credibility* e% W( X, l! ~* o }- h
report n-values people [0.5]8 Y: G+ V$ {1 f
end0 I6 [* l; Y1 N k$ U8 \; y
" P. j* w7 b: X8 ^! k/ a
to setup-plots/ T4 R4 d6 e3 ^
) V8 _2 p; _9 q$ e; R6 s% e$ Qset xmax 30
* X) n7 [6 u* W h; X& ^0 N7 x* ]* f/ ]. D
set ymax 1.0
6 B4 N) U$ \- M4 n0 ^% U o' t$ R6 i/ e7 M% @9 c
clear-all-plots
% R4 N2 k( `, l3 `- {: j9 a% N* d5 P! m2 v X+ a9 L: Q9 m% k/ h
setup-plot14 A3 L( V; i) j2 e
5 f$ G2 g( h$ tsetup-plot2( |! q5 o0 \+ g5 j1 u
+ n F1 b1 e8 F) Xsetup-plot3
- |8 V4 G; M# G" Oend
% @4 k/ x. P* R9 [5 f0 F' A4 x% x8 E$ `. ?( Q0 l. Y5 M
;;run time procedures0 H; ^4 |2 e. U0 e, J$ J
2 C5 E( D, \9 u; E d+ I q& u: h
to go2 k) b, d1 x! l) q# u! v/ J; p) F7 W# h
/ v* v9 k- p, S! o8 L" V
ask turtles [do-business]* G- V2 {) V& }5 B6 f/ a* H, q6 Y
end) s0 X3 k' |" E$ p. z7 ^% L
6 a9 N Z* R$ j/ mto do-business , x, M9 U! |4 ~# Q% |
! C( k5 S' L$ `! W/ [
* Z8 b; g) Z% V6 F! Z+ B) I; A, Y) U1 srt random 3609 g7 A) \" Y1 z+ Z% w
+ H& @) e* u5 a8 P
fd 18 |2 ~0 l( `$ |9 x* b: c3 H. }% V/ H! Y
5 d- ~. v% k) M' J/ p% }$ p
ifelse(other turtles-here != nobody)[
0 w9 Y d& N; [3 p: ~7 T2 M$ f# h" ^8 `% j& o& O- i
set customer one-of other turtles-here
- F7 K: n% z0 O6 Q' x& |
0 @: D) C g' L, r;; set [customer] of customer myself9 r; x2 L J8 a& A+ A* ?
; }9 j( V- r4 W2 X& E; v' \set [trade-record-one] of self item (([who] of customer) - 1)- v6 u; `7 N! p0 a
[trade-record-all]of self, T0 B! ^( ^* T
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
3 t, f" l# H; z5 S+ z; \6 h+ g- _3 K
7 W( H- {" _& k& P) A4 P5 \- @( oset [trade-record-one] of customer item (([who] of self) - 1)
- S9 n; u9 \- M- M5 g[trade-record-all]of customer
+ O$ {5 Q3 t" i8 a4 G' l6 `! W y- E! j
set [trade-record-one-len] of self length [trade-record-one] of self
& X2 B5 w$ ^% J! a+ _ D* z. z2 R* L6 r3 v% _5 U9 L
set trade-record-current( list (timer) (random money-upper-limit))$ i; F2 } ]: @/ C
* |: e: s6 z: Q0 `5 k3 Y
ask self [do-trust]* a& x* V( p1 U$ |7 W
;;先求i对j的信任度0 J& t1 m h" W7 a
- S G: i; J, p# n
if ([trust-ok] of self)
2 J; @+ p! y7 j, X( H7 G;;根据i对j的信任度来决定是否与j进行交易[
0 K& n8 x2 l% Xask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself! u7 I. h$ ?6 D1 i* t: i ?* O
# s8 I. P1 ~, B8 W[, @# [4 S2 U. J* W+ y% F0 a$ @6 H
$ ~$ A+ s; Z H4 J2 h6 Odo-trade4 ^; c- c: @2 S; f/ T
6 f6 B) r& Y! w# n n! m( Uupdate-credibility-ijl3 m. K1 |2 [$ K* m: ^# ^
; @1 K" w, u, H/ u, ~
update-credibility-list# J* ~+ h8 s1 e E
' y8 o! u0 a7 c( ?+ ] B5 y
- t3 m, U# C5 E; W- o% x+ R( H2 t$ {
update-global-reputation-list
2 \+ _7 G2 b! l- }/ e) C
2 S( T$ D' s: zpoll-class
1 l! Z1 r; m" O: C7 q! z
1 F2 O% l( Q. G0 s' Q; J6 Bget-color! r, C0 g1 X5 o' K3 o' `) |3 s
$ V8 v. u. j$ n1 `
]], I5 q' k+ n1 b# j( t- l
; N9 k K5 m e
;;如果所得的信任度满足条件,则进行交易
$ O% Q4 c* M- T7 K: E
$ O' }1 ^- _, K' b3 |. B# \& s[
' k" Q1 ?: q, R; J( q* n$ ~* e2 M. w! |" l
rt random 360
; B$ z8 n8 v! M$ S
7 e" B& J+ H( D# _5 a; Mfd 1$ W# B. a& V! x
0 {! x) s: Y8 u( K
]+ G4 L6 S0 A$ J; B7 K5 u
! ]; F9 s Q9 z1 p* y& W
end
; \* I1 z- v/ |/ Y0 z3 E
0 k4 Y& J( F: _, c$ Qto do-trust
% l- S5 @6 I7 `- U/ k* |4 T. R9 vset trust-ok False
) I0 n% x$ E6 r1 r' P) d# N, Z6 V5 Z0 j k# N+ [+ u% g
5 b& C1 M6 \) wlet max-trade-times 06 K# W6 f2 l& h. B* i& c, D
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
) _/ z0 x! ?2 F0 plet max-trade-money 0
9 u. _+ o& k# s) f7 d& `foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
6 A( _6 m7 G2 Olet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))4 I2 \% v# L" K g) H) o- @
* X7 M v7 R/ e
! Q, T& m$ k1 X& S' Pget-global-proportion
2 ^ Y$ `! R: g3 blet trust-value z5 f, }4 U& `
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)
, ^8 M( ?7 I; n; E6 l8 i9 rif(trust-value > trade-trust-value)! L/ f9 \8 C( v/ n |1 N! G9 f
[set trust-ok true]
1 k# O- A, Y, a3 Yend
5 r4 l/ e# [/ \+ w5 o8 E
8 W5 k: m$ l' T5 vto get-global-proportion( A" x) O# f! J% \ ~
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
' c6 @0 _* v- ~; P/ o0 n[set global-proportion 0]. P' g2 q- V; q* e8 p
[let i 0
1 v/ r, [- r! ]4 q" klet sum-money 0
[# Q" _+ Y4 V1 `3 ]! V- R' Qwhile[ i < people]
1 v' N+ Y# S/ k3 B[
* s" A8 A% l7 V( o: M' m4 ]if( length (item i" }6 D- ~/ o$ W! A V x
[trade-record-all] of customer) > 3 )
6 c3 p7 m6 M" S: f[' ?! y i/ S& [7 r
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
# i" Y6 U$ p0 ]% ^ W! S6 [# q]
/ C' N3 T# e7 r; H7 A]; J' _5 C, Y, `
let j 0* L) c9 |: Z6 M& D
let note 0
8 t1 U# }- i2 qwhile[ j < people]: E2 _2 R8 M) X8 q7 ~. y
[
/ [5 h9 Y% Y4 p* ~if( length (item i
+ K* J3 _( `, v/ k+ l2 _[trade-record-all] of customer) > 3 )
( {1 J8 f, w1 X9 @9 B& Y[$ G0 P O, }5 I0 w1 y4 s
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
$ E% Q& ]7 h5 p[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]5 C, n5 [/ a9 N" U3 ^: ?& T# W
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]1 c6 n2 {2 f# r( L c
]8 Q$ R2 u6 H8 d( N
]0 ]" e% G, c1 e
set global-proportion note* Q6 H7 O+ n! s& |( `
]
% k$ s0 _* I6 Kend ]6 T/ f. o1 e5 e3 v6 k% j& f
& \6 N- d) {2 R5 \/ n& r. R1 [to do-trade: ]' r- _) b9 c% s3 r7 j6 l- p
;;这个过程实际上是给双方作出评价的过程0 f2 l0 `* [: L7 L" }# `
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
7 f4 f9 C* m% l/ J6 H$ g) `set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
7 P/ Y4 j. [) Uset trade-record-current lput(timer) trade-record-current
6 H$ P$ [8 }& M5 N, h7 _# s# V;;评价时间
* w- G I+ O2 K4 k4 }+ Vask myself [
) c7 R9 a. l/ @2 W M: r, b! A2 ?update-local-reputation# M d3 {$ g. t9 {; h- N: D
set trade-record-current lput([local-reputation] of myself) trade-record-current3 K4 J6 c6 c- `7 q' L2 t+ `0 L
] `" `/ d8 e3 E) ?& L
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself0 Q0 }2 l: ~2 x0 o
;;将此次交易的记录加入到trade-record-one中
3 ~2 S' y2 o8 U Q! J% B3 pset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
) x( }% S- l% z/ ^3 q- y7 m" d/ |let note (item 2 trade-record-current )
$ L4 ?# A4 N5 {6 A- e! f" |set trade-record-current
, ?) Y* Y6 B8 t5 L: [(replace-item 2 trade-record-current (item 3 trade-record-current))
- f) e9 ] P" f5 B8 ~" ]4 f4 Fset trade-record-current
' M* K; A- }# Z(replace-item 3 trade-record-current note)# G) s' k- M% c$ N( L
- W0 k' |' A4 D& I( t& u: t' j
" A u: h/ S1 i% t( M! fask customer [+ u+ n4 G' P% H. ?" z" a
update-local-reputation
0 `! G5 z3 q6 L6 v0 U. {9 A7 mset trade-record-current+ Q1 ^$ u( V: J
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
7 Q! _5 G& W4 a J9 C]
: ]+ I5 X1 C# `1 n* J! S5 ~ V# C$ |7 {
' x/ j, s! I C
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
i( o6 v# ?* K- e
7 L+ Y$ d" A- J! ^( s+ j& X% }. cset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
3 [7 T9 m6 n0 Y; p& U* f;;将此次交易的记录加入到customer的trade-record-all中
9 V/ q3 A7 p r6 s3 lend
! W6 a! \; D5 L9 B7 n4 v6 l* S# t
to update-local-reputation
/ S3 B$ j% D* \7 Y A- mset [trade-record-one-len] of myself length [trade-record-one] of myself' {0 ]6 |; D3 [ x' }' F5 U& ^2 `
7 V( O: _3 M3 q8 t7 T3 H" `3 v; B
8 v* P9 R, O( \- n0 ^9 l- i;;if [trade-record-one-len] of myself > 3 6 Z; Q/ M$ r$ |0 s2 Q
update-neighbor-total
2 H% I4 B, c$ `* Y% l: N;;更新邻居节点的数目,在此进行+ D9 V1 V" C1 I3 H! a5 i! J
let i 34 L1 d% R% `7 C/ ~
let sum-time 0
; x. G& P$ A7 u5 |: j) [) uwhile[i < [trade-record-one-len] of myself]* c1 s4 r/ a, B% S. a+ H
[8 J: W: |; C) V4 O% m
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ). @) q: A6 M+ O! ~ o3 w
set i
* ~6 x) z' b' z X1 s( i + 1) \ N `) D! c
]
. [+ c' b3 N! @$ h7 O/ k% Llet j 3$ X3 e& p$ r, H* s& m3 Q
let sum-money 0( m7 N0 g5 @" g1 F% S9 M3 Y
while[j < [trade-record-one-len] of myself]9 ~( y. t/ G1 g/ t3 P, N8 G& L
[
/ Z6 j% k+ f! O; b* N. x# ^% Zset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)) a3 S/ U3 k% Q' |& X% D& z
set j
4 O. N5 Y3 i9 A8 d# G( j + 1)( o% @, [1 a b
]
, k1 S* d6 X! z3 G4 p, _/ F. Plet k 3
9 g# `& \% f( Llet power 0
. E: k$ i% T r$ g. R# hlet local 08 `0 U9 b! P$ I, U/ ]8 ^# Q5 A
while [k <[trade-record-one-len] of myself]
7 n+ s2 i/ }' @, H' t6 m: G. r1 U[
* \) k9 h/ i$ C3 sset 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) . P' r* ^( S" {. F/ a
set k (k + 1)- I, l9 _+ ]- b+ J s5 j9 H6 K
]
) J$ m8 r& k! y1 r+ }5 k2 Jset [local-reputation] of myself (local)* w4 W( W/ F' C6 d/ G
end4 `! n/ h: {( b, W! _
) O) X. n7 r7 I# p
to update-neighbor-total
, y Z, h7 Z1 V# F" v/ _1 T/ |! B3 }7 l8 K
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ] o/ {3 I+ ^0 D' ?+ O4 Y* D
/ {: Q& Q' `+ s, k" ]# w) z
p- j" v1 y& u! \
end0 j' R* B$ ?0 r3 c& i5 h
8 }. b" y7 G8 e# S0 ]7 _( ato update-credibility-ijl , v3 \6 @: \- P. m, u7 v
# R: `6 K) o' Z
;;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。
; d' y7 l% v8 Q8 ^& s, C" ulet l 0
* a, G. [$ u7 P3 cwhile[ l < people ]
, }& |$ ]+ e+ 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
' N6 j" o! I( ^( o: L$ ?2 e[' w% [# N6 K# B4 T) s! I
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
2 r6 V7 p7 `1 D, G! R: ?% u. Iif (trade-record-one-j-l-len > 3)
/ X! _+ V$ ^4 J% T( h6 m Q8 V[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
$ J+ E! v8 @0 k( flet i 3
4 \' K4 A) ?5 c2 |. |! olet sum-time 0
/ h! H2 Y) W% f' cwhile[i < trade-record-one-len]4 O3 g% H- p5 }: x
[0 D T. C0 l" T4 O5 ]
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 Z4 V% d p( M. h2 M3 l
set i" I u: e" A$ s; \$ u9 s! a
( i + 1)
, @5 } ]5 \2 Z' O& w3 X/ l3 t]' S% h4 b/ W' v3 n7 U
let credibility-i-j-l 0
6 w( {7 j$ F' s" N7 Z5 H F;;i评价(j对jl的评价)
5 F7 x4 N+ O; d) F$ slet j 36 J: o8 I. |# T
let k 4
% W. R' m! G3 ywhile[j < trade-record-one-len]7 {$ \' O/ r v0 F1 s
[! N, _# J0 ^; w
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* Z3 Q% l1 z5 g* E
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)
& | ~+ ~5 U2 \8 ?7 Xset j
$ F; v4 w! _* N$ m1 [( j + 1)
y" F9 p$ B! n1 @* t]1 w& j- X* d/ ]
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 ))& p: ]- e1 [0 S/ y( @) ~
7 t. A( p& o) \- o. }
' ?4 C1 o- M) a& N% m* R$ a
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))4 L3 f; q6 E9 z4 f7 P7 H
;;及时更新i对l的评价质量的评价
# E( H1 K' n# v+ c8 W' U, Pset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
/ A8 s! D6 W4 j! M# s3 R/ H: pset l (l + 1)* H; w* T; w5 [$ F6 X) k6 Y' H
], T R$ z: U$ \% u9 |- u, d
end
+ L5 `" K E. d) X# s2 e/ N4 Z5 N' p( y, j0 Z6 t+ b% O! @: l
to update-credibility-list- a+ G4 }% M+ i
let i 0
* h- q. O. c' f5 U: `while[i < people]
2 H( x" { A- O8 n[; n& `! r8 _! } k: M
let j 0* F; F7 K5 v3 l% P7 y+ Q4 }; z$ b
let note 05 r( N, n: p9 G/ o; K& r
let k 0
5 x2 F4 |/ n9 u ~+ s;;计作出过评价的邻居节点的数目" [( [" m. u* O9 X
while[j < people]
$ B0 b0 B- k) e9 C' F* L[
* z- x$ X: N; w/ w8 I. {if (item j( [credibility] of turtle (i + 1)) != -1)
% h! m2 X% G4 G) [- p+ [;;判断是否给本turtle的评价质量做出过评价的节点
4 H, w4 Q/ j/ ]/ D[set note (note + item j ([credibility]of turtle (i + 1)))
: U+ D0 w- t$ x, _/ u3 U6 k;;*(exp (-(people - 2)))/(people - 2))]
* N- m, A) e ?. dset k (k + 1) ]2 }# R3 k* k, o- g0 }
]" J1 C8 ]$ Y: v
set j (j + 1)) I; c3 a6 s8 \7 F. a0 C
]
8 ~) d4 ~' c% r( B9 J) V* U Wset note (note *(exp (- (1 / k)))/ k)# T7 r7 l9 B% d2 B1 e% h
set credibility-list (replace-item i credibility-list note)
! K: ~( ]( |2 I, m$ m |1 Qset i (i + 1)( f1 F. w! j0 j# |1 ~9 \- Y0 a+ ]
]. [5 j0 l* I% ?& Y' u$ X# n
end
# O% l5 M! k# R3 A1 I" |' ]- l3 T5 K- j6 G) `. Y0 F
to update-global-reputation-list
0 Y1 u. d) g* b1 p" rlet j 0
) q/ h3 N9 `# R) n' Hwhile[j < people] @5 U% w6 s, M
[
+ W5 i, h$ M7 \8 Q- l( V' flet new 0
! c4 d- W# Z7 h$ c( R& r;;暂存新的一个全局声誉2 Q% }, `+ H6 `1 l0 C( f; \
let i 0
* X6 S/ m! P- E2 i" alet sum-money 0& @3 w0 v5 k: N. _: V
let credibility-money 0( r* m) A0 e& @9 @1 h
while [i < people]2 @1 H; P% X0 r3 J' A% T0 U4 u2 O
[
0 m8 F: }* e. S) D, iset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))2 m4 A6 p& w0 v1 Q" G% ]& D ~* o9 e
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
0 X5 k( L3 p5 j( c+ }- Iset i (i + 1)
( Y }6 W. T, _3 ^* | f! J]
/ b) `% ^8 Z7 |$ Y7 ^let k 0' ~9 u) p- U- D+ l" G
let new1 0
3 x0 q+ U) T8 r8 o8 R& twhile [k < people]6 i3 C0 c! l' F$ l! g- H
[8 W2 \. F" _ j9 t+ u
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)
1 R$ { V) @( [8 _set k (k + 1)
# W/ S5 S9 w; ^$ M; `3 A]
5 g; }2 E+ G7 w2 e: @4 mset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 6 T+ \# H0 z5 P( l# y" y) ?
set global-reputation-list (replace-item j global-reputation-list new)
S; }7 [: V0 O lset j (j + 1)" y/ D' T n0 }3 m+ o
]
) r" y6 V3 D% F+ Pend. ^3 X" E$ B3 {9 I8 n
+ o/ u z2 A$ \' X' T
2 J0 V) F" O c6 x6 K* H
+ L5 N0 h# ?4 H9 M/ `; M" A
to get-color
1 V8 k! g% A6 r- C: d0 w' g0 q2 R% g- h3 C& w# \9 ?' C! S
set color blue
$ X# V3 @1 s% d4 G" Y' q2 o4 y- M4 Dend
; N8 D9 k0 N' r7 K0 h: ^; {
6 T) r2 q0 M( D! kto poll-class; g" g; w5 c$ `! Z* g" |7 q
end
7 ?: @9 ~3 ?6 E6 ^- v
+ I9 F! P: S! D# {1 {to setup-plot1
" A% \) t: V' p, C/ I$ p
: i' Q& E! a! s* r8 u4 C5 H: J7 Bset-current-plot "Trends-of-Local-reputation"
- r4 ~7 q6 E% L& T1 E* I
% r& f& z- A3 Q$ {3 [0 Iset-plot-x-range 0 xmax1 ^& u; d* W* d8 [& _- k, g6 `
( k3 _! o# w; E7 Lset-plot-y-range 0.0 ymax
/ K+ ]) B: S0 j) i( R& r* bend
3 C! `+ p" G( Z& f* ?' M) g' k; Y+ m: P4 Y
to setup-plot2. t, r& ?, U& y0 W) l9 n# g
6 x6 Y4 j6 X* b" G: p2 Lset-current-plot "Trends-of-global-reputation"
4 T( S9 a0 M0 | [7 R8 J/ d
/ N7 ?4 h) v' t+ q0 U: G8 jset-plot-x-range 0 xmax
- P7 t/ ?4 a( U+ B: }
. ?: p) [2 a6 W9 bset-plot-y-range 0.0 ymax9 o! ^) l; I. B3 X. F. Q" J% E( f
end
% D( \ Y( M% v" f
' o$ Y! \. s8 g& q0 Nto setup-plot3
; ^ E+ f0 _3 z+ p+ K6 k7 \6 N4 g, Z. _# v; M0 |: i0 H, `
set-current-plot "Trends-of-credibility"8 k) Y }3 d0 z3 T
; k. _1 q. J$ ?8 `* c+ g. o
set-plot-x-range 0 xmax" K1 k9 Q) M) j
1 L2 n6 G1 E% z" j& F, P
set-plot-y-range 0.0 ymax
7 ]6 {& _- ]7 g$ L9 D) J( |' uend" G3 B3 ]( p/ l' ?5 ]. e& A
3 g) k+ I: M" Vto do-plots9 @ H7 H9 O2 O3 s; l1 r* b+ A
set-current-plot "Trends-of-Local-reputation"
) V9 b3 \' }7 o+ A. D6 k/ g0 vset-current-plot-pen "Honest service"; N+ ]( Z( S! s6 L" S' @! I
end
& P$ {5 [' F8 D8 w
/ K: a1 `: K, ^9 u3 F[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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