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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, h7 b* ^% A: [: E A0 C& P* Q
globals[
1 L5 L$ I6 A( c, { y* m) gxmax$ j' O' i' F F* G& f, a; e
ymax
# [) y2 g U- q7 Eglobal-reputation-list
( h9 @; p9 J5 g9 R8 f3 w
8 ]$ u3 k* G: p! L6 ?# ]) p;;每一个turtle的全局声誉都存在此LIST中
- M* r. k* k$ W8 _0 G) c1 w1 n% M+ S/ \credibility-list2 |3 l/ {! D4 r4 s
;;每一个turtle的评价可信度
, |: Y* j) W. }: qhonest-service
2 h a2 l7 K3 x% u9 K% f) ]unhonest-service# N" w% k" K3 C+ L
oscillation
- `* B8 c* @9 ^2 U) O; crand-dynamic
4 P: U- `2 ^+ }1 k]
" V' R( }0 S8 I! a& v1 b; Q$ n) d! T
turtles-own[
3 [4 l5 U f2 m$ A0 o* @1 `trade-record-all- Q: @! t; u; `3 {+ r2 O
;;a list of lists,由trade-record-one组成( s8 H+ l5 X: A l ]7 i# P- P6 i
trade-record-one0 ^& Q* `, o4 s- X) G% ^
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录7 r! [* @8 f% n' G: V7 ?* t0 K1 o% |
. [" o/ u( s" d3 B' h7 J3 `
;;[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]]' m' j3 T1 v1 R! [
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]
8 D/ q& G& |' L4 Fcredibility-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list8 q" P4 V$ a' h' r+ o
neighbor-total
3 c( D3 Z/ e$ e N! z" m8 {# \;;记录该turtle的邻居节点的数目
" w, f4 ]! T H9 d3 v$ B6 P. M5 j* Ttrade-time
' \* A) t9 F ]4 \;;当前发生交易的turtle的交易时间* l7 [6 P, f& z9 x% S* ?: x
appraise-give
* y, F; ]4 r/ n- d6 ?* S;;当前发生交易时给出的评价# H) O5 [+ V! i& L$ L8 p) T
appraise-receive
$ y l; K/ i" Z6 U/ V;;当前发生交易时收到的评价. x6 {: Q0 ]1 T- b6 q
appraise-time, i; ~8 a& V' g( X
;;当前发生交易时的评价时间' V/ `$ ~( W% I* F' P
local-reputation-now;;此次交易后相对于对方turtle的局部声誉* K/ l! |* e8 ` f; H5 |: Y+ I
trade-times-total
* o, o' P0 y% Z* _9 X8 y. Q;;与当前turtle的交易总次数- I8 O- C; m. w; e
trade-money-total
9 V. z0 c9 \$ ^& a;;与当前turtle的交易总金额
- H3 Y$ n- C( Glocal-reputation3 T+ v7 i* |- m/ |9 l, h% x
global-reputation
! f7 p* y; l5 Mcredibility
5 z6 L, a0 n7 i# ^;;评价可信度,每次交易后都需要更新+ g: {4 w; L* H
credibility-all2 T; e( o2 O9 B7 o1 W) G% E
;;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, P' s/ f2 V+ s
/ {& K9 }4 x& b/ Y) s6 `8 l/ y
;;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0.55 a1 d. _0 L3 e- S$ L
credibility-one1 c) O+ x! I( i M0 p! S
;;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( {8 ^( j% H2 |7 P; H8 E
global-proportion/ F1 K; J* ]9 @
customer
8 _( Y* [( y4 I8 Mcustomer-no
: T8 G" O+ T7 |2 {trust-ok
+ K$ h+ o, J$ ^9 x2 V! L% p4 z( atrade-record-one-len;;trade-record-one的长度: @ {2 g2 Y4 Q8 j
]
! K5 l% Z2 r% I: t7 T1 U# v4 k( ^" {6 w2 S/ {9 |+ U& A; ~1 G" f
;;setup procedure
" j4 H+ E- Z T% p4 b- x
9 b$ y" N( e- u2 Tto setup
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2 E) C" F0 S: t3 {7 W* tca0 O( M- N" j5 O4 { Y1 B
4 o* }& u8 U% z( N. U# C# y5 Z( O
initialize-settings
s& T! z! r2 J5 y! v0 g2 w+ J& r# t2 q/ M8 A1 O/ E9 a& @
crt people [setup-turtles]! W( Z' G' C4 Y' R ]
3 W; m, V2 z( [& H
reset-timer- c# h9 V( M6 _' q8 |0 w
# ?/ Q: ]) t: e0 \# r% M" q
poll-class5 ~; f& W+ l( K9 P( s9 u7 Y
; s8 s% {, |6 g) isetup-plots
" g3 V5 U/ Y- m1 l( x; T/ i( H# l0 p. R! [0 o
do-plots
: v, A: u: O, A/ N5 oend
3 @$ l' t- R9 d# [& V4 V- s8 J6 V. C$ [& e; o( U, w) \
to initialize-settings
* `/ M2 Q/ p e5 F P/ [5 T# B- B. @" o9 ~1 e7 G
set global-reputation-list []' d# I' _# i# h/ Z& m) I- \8 ?
+ _1 ]" n; V4 o8 Z! Pset credibility-list n-values people [0.5]5 w. f! W" g' n' h/ X! q. l9 Z
8 k' K9 s, s: rset honest-service 0
! ~) F7 r' j6 l4 W {6 p/ G0 T$ {% ^1 \6 R
set unhonest-service 0
9 F6 }, \2 \4 j9 X6 B# Q% L6 r- p: c( K: H3 X, Y
set oscillation 0
3 {- e; U" y+ M9 m' s
, P# T; d$ ?6 c5 W% x8 Oset rand-dynamic 0* ?9 L: R$ [: ]# C2 ^7 {; C
end2 [. o# ~7 o( @ T- j
+ F7 q# a5 `- {6 g2 _( L. Lto setup-turtles
8 c6 g( R) ~) M: A& l! sset shape "person"
: G4 C! A+ Z- i. @9 ssetxy random-xcor random-ycor
1 N1 j7 E, ~+ _3 J+ Sset trade-record-one []
' X E9 y3 x& m$ A& B+ R6 U) Q1 f0 i) Q1 s- T
set trade-record-all n-values people [(list (? + 1) 0 0)] 8 j6 C- ]9 ?* z N3 N! z
2 J9 q/ f$ L# R% @( Y0 [1 S
set trade-record-current []# R/ X# x7 m) K6 z4 k
set credibility-receive []
0 \& y6 q5 X! V! X* ^set local-reputation 0.5- K8 w1 M+ }4 h. ~# z
set neighbor-total 0
1 I& z0 i) \' Dset trade-times-total 09 n; v* B' e5 j; O( E8 R. `+ F
set trade-money-total 0
! S% p1 r M0 {0 sset customer nobody
; K! B; V5 }6 G& U/ \set credibility-all n-values people [creat-credibility]
/ t0 V) z5 ~8 x2 A4 i8 b% ?9 nset credibility n-values people [-1]2 Y% K& a" x$ p+ b4 M; v) [
get-color' l# l% u: l E0 J& ~4 f
* C& W) ?1 j# [+ d
end
; u& F+ l# _/ c8 Y! T! |1 `. C, _; f% {$ v. Z+ R
to-report creat-credibility
9 U7 @* g2 b6 r* \6 Greport n-values people [0.5]
b$ A3 U$ F' j% P9 @end; }! P a) M+ T3 N9 w
8 X+ c8 u/ p: j" w' s- \8 k: Sto setup-plots. E( Y7 t/ l8 G
|0 K6 S* d* S8 B* o( q
set xmax 30- Y: I* l2 j- n( G' u
3 r/ ]: |, \6 y s; N( `set ymax 1.0+ v/ j8 |3 o) k% R* k; @
# X9 i% w2 u2 _ D0 N, ]8 e8 R! Yclear-all-plots
4 G( f Y- B+ J& L Y4 K+ q. S8 P6 l h
setup-plot1& N! H9 S2 {) }6 Q: }% `% B
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setup-plot2
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+ s) v8 o7 A) `0 b- Q# W% Msetup-plot3
Q. v- b% B0 n! Q4 j8 j/ C7 Wend
- R9 P* Z( @& l% F; @
8 L; Z8 c; V) y7 {* j3 o;;run time procedures; }8 s+ ]1 X/ `
7 m( P6 t2 `- N( p! }; b# eto go, `/ [! _7 n( D% A( V( A1 H% V! _+ A
0 C& v; i& H3 D% R0 d+ pask turtles [do-business]8 h1 _5 ] `6 I' a
end+ I o! E, K& L7 D" j+ g
" @$ N! |3 n4 \& W% }to do-business
2 y1 g2 U1 X* J8 z3 Y3 ]' h* Q7 C9 N% w% d
7 A, j7 R% F. U* g/ e5 W
rt random 360; m' Y0 ~! g' `% {* S& l& W
- I/ ~& k. `0 i3 q; g
fd 1
( {* Z. d3 ?; f: R5 o- R/ k9 `
5 Z. P5 U3 ]9 z# o0 rifelse(other turtles-here != nobody)[$ I4 V ~8 ~7 i1 u2 c O
+ H$ V+ G' U! K A/ o, R l3 I Uset customer one-of other turtles-here
( z8 L+ l, N/ y! E( Z( J
p q, Q! ?2 W7 p;; set [customer] of customer myself, e2 h4 J; \2 l* n1 }, d5 w; R! X
+ c+ ^ u: G+ k I; q' V \8 n
set [trade-record-one] of self item (([who] of customer) - 1)
! \+ H% Z( V9 Z3 }[trade-record-all]of self
E# g; n3 K3 ?% B7 b! Z;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self7 r3 R7 L- T' j! q: A" C0 L
; [( s3 X& G, w) }8 a: }- fset [trade-record-one] of customer item (([who] of self) - 1)# S6 f/ E1 [1 U9 J& k( J( | F" [) h
[trade-record-all]of customer
% r/ Z! |& `( T& c) s8 H! u' I0 j$ F/ M" z
set [trade-record-one-len] of self length [trade-record-one] of self
|1 M% N$ V, U; ^: P) f" \5 g. A) M* q# X
set trade-record-current( list (timer) (random money-upper-limit))6 s8 q- L/ N. ^
, t/ e3 m1 R y( e8 R1 \$ Pask self [do-trust]
. o) J1 ~0 ~; Q$ h0 s;;先求i对j的信任度
1 x! U7 n" m- [" A8 x- H
' f8 k# W$ a5 }8 Dif ([trust-ok] of self)
( {! \& E5 R, l c2 R) s8 H;;根据i对j的信任度来决定是否与j进行交易[
9 ?8 T0 ~4 Q* ~, Kask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
4 B% e9 o; S4 Q4 ^( l
8 ]& ~3 a p1 c# J% P/ ]' ~8 D[
0 w: f9 U: ?! T% n7 X0 g& }' z& s
do-trade
, ], O. n/ a! r$ Y
- G* Y1 Y, j0 R7 k6 ] eupdate-credibility-ijl
5 y$ |# c" x0 r/ q/ z/ u. p; F/ a8 X* b$ E# P" f- A2 v! q
update-credibility-list" P9 N! q$ W5 [% b% b g9 b# |
1 v1 P+ D9 r" [. x4 U2 m5 J
6 q; w: D; R( T$ q, qupdate-global-reputation-list! i0 ]6 `# u/ ]: |6 E }
( \7 y5 B+ a; H+ Y" U
poll-class% C! x4 v4 j7 ]/ ?# J
6 e8 c4 C0 `1 [- V% E) j1 lget-color
' Q' U& l/ m: a; J1 a
2 H# y/ Z3 A6 _; y4 I]]
" l7 ~4 u9 w6 V: W
0 F% p% |8 j1 Z, d) e0 F) i; h5 k;;如果所得的信任度满足条件,则进行交易
( c( b) ?# P: L' B: j7 |
' W0 h( a5 n5 l3 Q[
' `& y9 f/ f. P" l! w" V# [/ P5 l$ y7 d o1 Q9 g) Z6 @( Q4 I3 w& F
rt random 360
/ h2 C3 j4 S$ g
! U! G; d' b1 ? e4 Ffd 1
0 G8 ?4 W9 a/ K
8 I& F3 Y) a: E' a5 @* S( c( F]% s4 P& X* ]/ R1 H" F( g# C1 h
* J) N$ g$ F, I- U( _end
5 f2 B1 c5 k# H3 L9 C! ]
5 R2 r% T; e4 d" ], \to do-trust
( N6 G9 E! H$ T2 \set trust-ok False
& y- d8 s3 _* R& L! N$ u D: \% Z) w5 D, z% J S2 z& N
! A$ y" F# ?7 Xlet max-trade-times 0
! |7 ?5 p) f9 Z# Y8 b1 s# iforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]+ Y2 \' y/ t" \' [4 D7 H
let max-trade-money 0
" U1 Q: \& S+ S5 X* [6 p8 nforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
9 q% b0 {) z i7 \! D I$ @let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)) K1 N0 x4 C0 c3 k
% F& |% V! N+ J9 G0 }. P( l5 R Q
, {& p5 E) w4 s+ ^, W1 Aget-global-proportion; R# p$ ?. p+ K- H5 w% d
let trust-value
* q( M& a7 m1 {5 V L5 k2 Tlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)6 i. A* M+ F# V# h2 c9 K
if(trust-value > trade-trust-value)
5 S4 v$ W" j: ]! d* S[set trust-ok true] l& X) X( A! S2 W
end
3 @$ v4 z8 I. f, E: s% k+ C
% N& l# s3 }* Q% }3 Hto get-global-proportion
- ]6 }6 g ~9 f3 vifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3). m9 q0 `9 ~& ~, h& |% I
[set global-proportion 0]/ o/ p' h: O+ P9 N
[let i 0
. |+ V2 U2 j5 x. T2 ^let sum-money 04 s, i7 y) w8 x& B; v+ U8 c
while[ i < people]* S% J& J: U( u) y
[
2 t4 _* {; S u& ?4 V; P2 Zif( length (item i
& g g4 `1 D H& b# b* d[trade-record-all] of customer) > 3 )* R. O" v8 X; I( O
[; x( J& q) {7 q
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)), |* l5 w0 p X
]
3 J5 ~# |/ W1 m$ l]
( ^/ m( F! v6 w, jlet j 0$ J5 J6 o& Y/ s
let note 0
t, L5 {$ b9 S! p# c0 {9 Wwhile[ j < people]* o! [, k+ w3 q E2 ^
[9 i7 ~% ]1 x, P/ ?* @
if( length (item i! X4 j$ {8 }$ b I3 I2 b
[trade-record-all] of customer) > 3 )' F. B0 n2 x( H: y8 s9 n0 w
[
, ~7 S( _5 [4 ~) i1 Y% a& difelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
, C$ T( [' g& t: R* V[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
. ?/ R: H' ]% H! \[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
8 u: `8 z- H; `]
# o5 |7 X# }2 N* ?2 j]& X' B, m& B' z7 [, i7 ~5 Y3 H
set global-proportion note
5 V/ Z/ R7 i$ Z' o0 w' F8 v* m5 q]4 P( k! o& q9 ]4 \$ ^8 S9 Q
end
u$ `0 T- }2 p: r c* U* l* ~ D3 W& a. } C1 h" T
to do-trade# g8 V: E0 z% e; E* P% ^: F# p
;;这个过程实际上是给双方作出评价的过程
7 S3 ?% M0 c! j& A$ rset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价0 \+ a+ u5 N+ A+ n+ }+ M
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
3 u& a" U5 S4 L3 ~& l3 S; Nset trade-record-current lput(timer) trade-record-current( l4 C: i4 B7 y. R4 F# s, ? k0 f
;;评价时间
/ U; Q; X' G h% d; A* N" g2 Gask myself [
) J: P( N0 e) P! [, g" k* y' ?* ]update-local-reputation9 {6 S& p9 `8 \$ W( m1 n% P/ \
set trade-record-current lput([local-reputation] of myself) trade-record-current
3 v0 t9 |# Z# k F) W]
4 N& U }1 ?* ?' O- [set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself1 E# ?- P$ K; k' e
;;将此次交易的记录加入到trade-record-one中4 n& J# S& P& n& O1 r5 |
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)0 M: r& G+ t$ x+ X8 X! a, W# J+ m4 V; ~
let note (item 2 trade-record-current )
) j- |$ i( {5 L! Yset trade-record-current! P5 b* p+ z. V2 _5 Z
(replace-item 2 trade-record-current (item 3 trade-record-current))
4 A, i5 I: u) z+ @4 M2 Vset trade-record-current( l: {3 W) D- W$ @9 ]5 [3 P
(replace-item 3 trade-record-current note)- t2 ~7 W+ x( n: w
# J; t4 v$ t+ E7 a/ }" s
5 L5 L* L. S. F* i% I8 @ask customer [( g [" S6 f+ S+ x) w+ g
update-local-reputation
; L0 @. i0 A7 b4 z- Xset trade-record-current
4 q0 d0 K6 k) |4 P/ P" X+ k(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) * b/ H' x9 B1 q! n$ G& N1 d3 w# R
]$ e) N% ]: P: [6 y; t/ o/ _) l& g4 @
, \1 m" o' K: c* n- s- C5 X) S
% r" x( e" z6 c; A+ Gset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer) ]- b& @ z5 o; f9 E% |8 r% Y/ x# ]7 @
1 n2 W4 r8 R9 y' M" i
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))8 d. u% G8 B6 J
;;将此次交易的记录加入到customer的trade-record-all中
/ w! w8 J6 m u: `- F) D' X @# xend
# F4 F2 ]7 k: y$ a: _3 d! e- M& i& v9 i% l8 P
to update-local-reputation1 g1 X4 B3 @2 ^0 c9 @; j# t
set [trade-record-one-len] of myself length [trade-record-one] of myself
3 Q" Q d: M3 |% |% X( j0 x5 J+ n! Q2 [+ S% k, a. [
$ |* o( `$ y* J0 P1 [6 l3 B
;;if [trade-record-one-len] of myself > 3
1 D9 u! U# @1 |# j; B) }update-neighbor-total( {9 g' _% G1 R1 B! e% G# b7 `: G
;;更新邻居节点的数目,在此进行
% w5 D8 |0 e( \2 m% U$ g8 [let i 3. p1 x1 J8 V3 D. |1 v+ T
let sum-time 0+ X0 u' @$ Y) u. O/ W
while[i < [trade-record-one-len] of myself]# p! o7 @& r$ V& R3 j( d: u
[! @9 d2 o& ]/ q8 d. U8 u
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
# o I7 _& \1 ^% j/ ^ a$ @set i
2 X. f! }& I0 g2 c: L8 I( i + 1)$ e$ E1 l! b: A# Z
]
- _- a: | @ b2 g7 b% M" Q% {let j 35 |$ V6 Y: j/ L4 W$ C1 R
let sum-money 02 Z5 Y8 E$ N% R
while[j < [trade-record-one-len] of myself]
{% ?" z4 s; p) K* R* j& H: C[& D& Z; f: Y7 y1 S- ~1 |0 N
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), n0 i$ l& {/ v+ J9 v! A) I
set j; e8 I0 m: @" G z; Y4 I9 i0 n
( j + 1)9 m2 C( X- |" V
]) D$ `" |! Z3 ?, T
let k 3
- o q7 j7 [; d1 ]( D+ |. ulet power 0
3 [0 o8 L! }( k. k$ ~0 xlet local 0
& t. c, F$ W- N% J3 ~; U* }5 s( ~. Bwhile [k <[trade-record-one-len] of myself]
# j1 q! ?: k! r) k[+ J& D* f1 B" q2 j h7 D+ w% B1 \- Z
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)
9 T8 ^2 f# A' Y2 Rset k (k + 1)
) t8 N' [7 t5 O# f3 ?6 `1 u$ K] U7 R5 K1 C7 d; |; B: R( A6 R& b
set [local-reputation] of myself (local)
; T, A9 T5 s0 D* zend
& d$ q( Q5 X" v5 d6 R3 z' Y' |& w: c/ j
to update-neighbor-total$ j/ b8 l, R$ S! k- l
+ C# Y! j7 o! i8 u: v; U! u. U2 ?
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]% h4 u8 n$ E3 O# d! b- O
7 s& u: o. O7 n" M# B* l
0 T6 v3 z. Y4 {5 R: v+ h+ L9 wend# R* |, i( K8 x! c+ ]8 k+ Z& S- A
0 s% N3 t' B3 U* _6 uto update-credibility-ijl 2 s- w& W9 T+ L1 T+ c
# a/ b* e8 U5 n* S: M! n6 d2 X: N
;;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 t! \2 ~7 A# Vlet l 09 [: O7 t; | ? l
while[ l < people ]
* B9 D4 y' I& Y+ q" U;;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
% A( s: M$ S' |3 t[6 r( t: J6 Q* Z8 v6 @
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
3 S9 P8 X3 } d. J/ H3 W2 \ ]if (trade-record-one-j-l-len > 3)% [, O5 r# N& r n3 T
[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
4 j; _7 Q* v7 e1 ~4 F4 s3 \let i 3! B6 ~# i. M9 A( r! K$ @# K
let sum-time 0- z- \. Z( N8 M J' V" A. j1 w' ^( a
while[i < trade-record-one-len]+ @8 B4 l; x2 P
[
* z, e9 B' ~% Mset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 \# \1 q3 V/ C, G* V
set i
$ ^# n/ X9 ^: E$ T/ ^( i + 1)
- z3 `- u# `, F1 B$ [) @7 F]8 p* J2 ~3 Z6 ?2 w
let credibility-i-j-l 06 h5 z4 H+ j: Z( S! w/ }
;;i评价(j对jl的评价)
" c$ D1 i' H$ X9 [+ U$ i# ulet j 3
1 ~- h( W- o& y! V$ f+ |let k 4
" F" Y1 _8 D! b0 z: {9 W4 Jwhile[j < trade-record-one-len]8 V% O- x3 A, r4 {8 D
[3 ^+ T, {& d* `( [' u( T( g; ?
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
+ t3 _3 P/ ]' Q8 eset 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)! U# I! u) L) N; r( d
set j' H. C1 u0 x! m% w; n
( j + 1)
5 }7 F- a& n+ O* Q# K4 |]6 z4 M0 t, Z: P& P! ]1 V' O
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 ))
- A; Q) q; o" I. m3 ?3 g2 g! d' a% y: d
) w0 Q8 F; ^) Vlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
6 Q1 s# o! Z( ^! R2 p: Y;;及时更新i对l的评价质量的评价
! Y9 v5 Y, A6 F3 {set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
3 b3 |8 q# M3 Cset l (l + 1); g1 K" h9 p0 x1 a7 q9 n: ?+ }
]0 G% D/ X- y2 u# b" R
end* u8 ^ a6 o# y0 t0 c& y3 u
" P& B- R0 J; H& N# R$ j( {
to update-credibility-list
) e7 u$ G, z8 ~" l) ^let i 08 W$ q1 N/ ]5 T9 w& {4 o3 u7 k
while[i < people]
& E% e; N7 ]" a8 I1 v[# c8 K8 b5 A N. m+ k2 H( b
let j 0& C+ q* Y8 Q( r& t
let note 0
- D! ?4 ~4 b" Ulet k 0$ h/ y# O: u& j- u$ ]" e. o- E
;;计作出过评价的邻居节点的数目! v& X1 |6 P4 W
while[j < people]( S3 X. q0 Y* X) m8 ]
[4 u$ f, O/ m) }0 O: [
if (item j( [credibility] of turtle (i + 1)) != -1)
/ O7 c+ I( w0 T3 \+ I;;判断是否给本turtle的评价质量做出过评价的节点/ u7 r! U4 X& W) S( L+ M
[set note (note + item j ([credibility]of turtle (i + 1)))
8 B. Q5 }8 C# t" ?;;*(exp (-(people - 2)))/(people - 2))]# @* p9 ^) m$ W5 B2 ]' H: C
set k (k + 1)
, q0 ?/ d3 @% s5 A], e% l$ |3 i7 w: ~7 C8 V2 ?6 ]
set j (j + 1)8 S( D/ Q% U0 K% m5 s4 S
]' q/ q( \) D$ T+ E4 ^ _
set note (note *(exp (- (1 / k)))/ k)+ x, s$ H% o, U! ]2 Q% ?6 g( d$ T
set credibility-list (replace-item i credibility-list note)7 p8 I) A! m D! l; a9 k* P6 N
set i (i + 1)
0 M) M# r( N: P* p/ z]
5 I$ B! h% E; r2 E8 f) q: _end
x J$ f7 K7 Y. ], l: `; Z% r; U7 ]7 V) E
to update-global-reputation-list2 q; ` S8 o. g5 W1 ]4 `
let j 0
* p9 {; u3 [9 L/ O: L+ L3 t9 L3 bwhile[j < people]
5 c0 \' Q5 z7 z5 l4 R) B[
# P3 D! V. L: Elet new 0
$ r$ _5 [. }5 h1 @2 y1 o2 p7 A;;暂存新的一个全局声誉6 z6 a0 E" l! X: R2 c0 B% K9 e
let i 0
" \& d# B) c! m8 y* Ylet sum-money 0
. n5 H6 c* H1 Jlet credibility-money 0
! o1 G5 W- v! Bwhile [i < people]. [0 E" ^+ e& M9 y6 z
[
9 b/ n2 K) m) Zset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
5 g" K3 q& ], k* P3 nset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
4 J3 M0 Q1 P# T! l' {set i (i + 1)8 Q/ o2 _# X' [ F4 L$ r
]
# O. `' W# V8 g" ylet k 0
1 B% ?+ U/ J5 `: L$ w, a0 llet new1 0
1 R' n0 j/ u4 ]4 l/ j0 s6 H# S; vwhile [k < people]$ K# x( W% g, ?+ Z% c* o
[
1 [2 A% h2 \2 r2 ], y" @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)
& e# M( O# r: n+ B3 o4 Sset k (k + 1)/ ?, r) H% k; Q3 G
]
# ~" d( s4 I4 Zset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
' m i' ]: f. V6 B8 H# Z. x% Pset global-reputation-list (replace-item j global-reputation-list new)
7 m$ o7 D* Q3 D6 ^4 xset j (j + 1)
5 F; Y L' K2 f a' M) ~5 _, y]
6 L, x3 E9 Z9 Q3 }6 p& |end3 j7 P. m* u/ ^6 B
; H; K; F8 }( V. j y: W$ X! m
E: h) j$ Z1 r3 A5 Z* e8 Z* p/ V0 h/ h9 O0 c
to get-color4 S4 t5 T+ X; t; I3 E
" u, E; y7 c5 j7 E+ N1 A$ W/ _
set color blue
5 C7 K# m j+ zend
4 _( n5 Y P' A, a: [! h1 P- N, J3 b; c
to poll-class
+ {' ~& `8 g. [3 Dend1 D- W8 O& y' k% i9 [
. U5 Y# p: S( s/ j" @% z4 Ato setup-plot1
# @; Z; ^: N) }$ [, G4 a
! N! K5 R' q" T; x' Y! y n& Dset-current-plot "Trends-of-Local-reputation"5 {' m. R0 p! ~% I0 c( A/ ^ H
% x" e3 T/ M# R, V% c
set-plot-x-range 0 xmax: { C& t) I. Y/ w
: D$ f, a. H* f6 ?8 z* e% {5 m
set-plot-y-range 0.0 ymax
4 O4 j: E/ [( G: ?" z& [end
$ i; G( B' p; {6 O$ A
0 L& H2 n/ T9 v0 B+ L2 C" zto setup-plot2
& Z3 U1 g# [: A5 `$ e% N9 L0 _+ g7 ]9 e
set-current-plot "Trends-of-global-reputation"( Y: }8 l) l+ e) j
, F" Y3 a; n, Q8 O
set-plot-x-range 0 xmax
" }. |/ v9 I9 T5 v) O7 _0 A# U, I& b p( o" F' |
set-plot-y-range 0.0 ymax4 z6 i0 |' I; s" r0 f
end* f, S f3 X& T( Q
0 G3 u" y; E* M- b9 z4 l( bto setup-plot38 |. ]+ R! k* ~4 j: E$ O, Q
* ?6 K4 J5 \) n8 T( L
set-current-plot "Trends-of-credibility"! G! t' a+ A7 ?( T
/ y2 Z: o' p% ^* ]) ?: Pset-plot-x-range 0 xmax
$ s5 Z( x# m0 Y* e/ e a( U# J
* |# D+ W* k. d+ [- N% Wset-plot-y-range 0.0 ymax& {; J$ e, K# P/ M
end
* x; v9 ^* \8 j0 w9 I& C* w/ U9 Z9 m% B5 N" M: I
to do-plots
6 e* h9 j) g1 W4 T! K+ Iset-current-plot "Trends-of-Local-reputation"8 }# O9 V. p1 r& n S
set-current-plot-pen "Honest service"0 t2 @. Y$ \9 z' J3 I+ }# T
end
+ Z7 e4 `! y0 M2 V( O, R8 n! s, `- S6 `1 N8 h/ B$ ~
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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