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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# }- U: T+ Y r) E. E3 @9 ]- |
globals[ }) ~" X; S! B
xmax, }0 k; f* m5 y! u5 t! W
ymax
8 ], N3 I: F% v, c' e( G0 Tglobal-reputation-list K' [' J! A! ~8 _& T
9 N: h) \0 E7 f;;每一个turtle的全局声誉都存在此LIST中/ F Q5 H" P$ j- q
credibility-list J- p u T# x* z
;;每一个turtle的评价可信度
$ D6 k1 j3 H, o; a- }% r$ E1 `* Qhonest-service
7 ]% d5 [' S$ eunhonest-service9 {! k- g( S( \
oscillation
0 V5 d# e% C2 `7 g! [; J& xrand-dynamic# T7 l/ R8 ^7 p. c
]
, E+ W+ O5 \! Q" m1 ]$ p. t
7 i; h- d0 [+ [: V9 Mturtles-own[! R3 |$ k2 N( c" W8 y
trade-record-all
" M' {1 @4 y' w8 E/ _6 f3 R+ T2 m;;a list of lists,由trade-record-one组成
& E+ Q3 j! G+ }' otrade-record-one1 e! z X( }2 s: @
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录2 C) [& i# B9 n9 K, s
) Y, v( F0 |/ P" }# H
;;[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]]# p# Q/ r! P& o* [
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]9 D8 R' @$ V" ~
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
/ W- {) e, b- d( {# zneighbor-total0 v; [+ u/ Z. d* Y; ]' \. ^4 ]) e
;;记录该turtle的邻居节点的数目4 U" t, L7 ]4 d% v# e# O- G& a
trade-time
* l( j3 h1 i3 o2 U* m;;当前发生交易的turtle的交易时间
' k$ Q$ o8 }+ r) I5 rappraise-give- `" W* y# p9 F" Q! Z
;;当前发生交易时给出的评价
- A! @( a5 E7 Bappraise-receive* R; w0 A# Q4 T# n5 r
;;当前发生交易时收到的评价
' _- i3 E1 X3 V! Fappraise-time
9 J1 h; Q9 J) F" b% [+ w;;当前发生交易时的评价时间) C3 e1 w* [% I
local-reputation-now;;此次交易后相对于对方turtle的局部声誉- K" C4 G% {3 Z& \/ W
trade-times-total
. N8 S9 x5 z% X6 ~7 q/ |% Y- E. R;;与当前turtle的交易总次数% H1 Z6 }1 g# L+ p( u
trade-money-total
! [8 \+ n0 r* A% C9 D;;与当前turtle的交易总金额
8 m" j, s5 U2 F) mlocal-reputation: Q& @: f. E" O9 W Z0 p
global-reputation' S8 Q# M: X5 v" u0 \% ^% a
credibility
W- b" B4 u- Z& T: P) U" E;;评价可信度,每次交易后都需要更新
# A4 }1 R0 \9 S7 Y7 Q) g7 Ucredibility-all: F f# ]7 ?& n4 ~
;;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' {# P" O& a- n* I9 V8 W9 t
4 \; A$ x# j$ U; m! S& k/ \
;;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
; y* H$ P C! w) dcredibility-one' @9 e' K0 x, E1 ~9 T$ F' A6 H
;;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
3 P( C. x: c7 v2 _6 mglobal-proportion
: R) b/ Q6 |% H& E/ j" Ucustomer
) N, Y3 Z- `. V5 A/ P( X* E9 Wcustomer-no
R5 Q) ^% L: X7 Ytrust-ok
$ |5 C" x* k4 V; p- [' d3 z. {0 ctrade-record-one-len;;trade-record-one的长度
6 Q" f6 F2 e1 I0 J]* A0 a. s" O. b
, p* N" l# T6 } V1 Y% w;;setup procedure9 q8 \" J) L3 \: x! Z/ G
- l) h* t0 u% ^ Wto setup! S! ~' [- O' x6 h' {/ e( [$ t9 ^
" \4 X' U2 j# X1 S4 @# w" d" bca T. e- c% Z% T8 B
8 o& P* Q" c/ q
initialize-settings
) _+ z M: E1 q. {' W3 }0 s( Q
1 W2 ?6 w5 d5 ycrt people [setup-turtles]8 R: z5 y% X3 F& b& `* L! B2 ]
4 V$ d5 g. O( a. ^/ H3 Qreset-timer# B0 i( m: f4 |+ j- j5 G6 t* S
0 G. U' t1 X. N5 [* R* c U
poll-class
. s! y. j# J9 s) R4 K) B+ @+ d2 C6 w+ P% a) P
setup-plots
' Q4 `" j: M5 @
# H2 \3 v/ v4 i, M8 n* h. W& kdo-plots
4 g- O9 g2 H) q5 s" ~end! _- H* U* P+ q/ q, k: b* x
0 N+ @! K9 o# z; d8 @: ]; \' Dto initialize-settings7 p( E' x* m' f3 g" p, k* m2 f
- n- P1 W- [* M$ E; i/ Jset global-reputation-list []
# [% ~5 i; d! Q( i h; ]2 P) V- S' Z* [7 |! c
set credibility-list n-values people [0.5]
% p; {! H9 }4 v
* N4 j4 n8 n" K4 Z+ u8 cset honest-service 0
" |( E T2 {8 A3 K/ @. {: }+ n2 e$ E# E6 `, ]
set unhonest-service 0
5 ~2 h2 ?6 U' u, E. L2 M! {! r& W# ?* W
set oscillation 0
5 U( }5 f b" ]# X9 F( _3 h: I- l7 p/ w% D7 u, ~: r9 U; T
set rand-dynamic 0
8 Y$ d, i! X- e$ Y+ [end
- P( x7 Q9 Z0 w& `. b$ P& B8 r' Y# Y/ M/ Y+ L/ V, W- ]6 r, G
to setup-turtles
2 t; `1 ~4 `* {4 qset shape "person"( D9 w6 c+ m3 i3 B _
setxy random-xcor random-ycor; X( W/ n5 x* s }6 I4 Z
set trade-record-one []
6 v( @1 y R- O
$ i! R" X# | J( e8 |( gset trade-record-all n-values people [(list (? + 1) 0 0)] 9 Z3 J" @$ d @
. g* z9 E- P# E5 Sset trade-record-current []
, P# G, T; s) [1 R8 |, r& i0 oset credibility-receive []) a! |* n$ {) [! ]5 Y+ h+ `* L; ]
set local-reputation 0.52 U% ~- K( y( _' J! I
set neighbor-total 0# c$ b& e5 ^7 Z6 U
set trade-times-total 0
% O# E0 s1 ~2 f6 Zset trade-money-total 0
# q! x- {+ s x. z, jset customer nobody- W8 r4 Q% G" y' Y. {
set credibility-all n-values people [creat-credibility]6 S2 B2 o, s( {7 A" D! X
set credibility n-values people [-1]: [0 ~( E( _8 z. l1 W0 x
get-color
" a# S$ X5 t4 o: H: [; _) ]
) h# G7 o; p q/ a8 J* Fend
, y5 |6 U# n& _5 e' q5 ^( K c ?, q3 q
to-report creat-credibility
2 r1 \4 F1 G$ t2 l* C# e. ureport n-values people [0.5]0 J2 s, {& ^& w. _1 j1 l6 P
end! r4 ?/ C5 h1 Y
0 D5 [! p! t" W' Y, k/ n7 s9 n* Ato setup-plots
+ v4 i" `0 T, b# y% Z' A1 d) ~
2 g+ d+ f/ B) v" `* sset xmax 302 @, |- T# l1 s3 ?0 d
" U2 X5 m9 W1 |- \# z5 U8 Fset ymax 1.06 c% }2 K- f/ A# Q. [. A, i
! R1 `, m) }! R% R
clear-all-plots
% c: H8 ^' J5 _9 n* J# y3 C
! y* g9 A7 F/ l9 A* v+ psetup-plot18 p# G5 K$ g- r* p- N4 u/ O
2 R% @2 K e+ k5 C6 |( ^8 S- a3 P0 Ssetup-plot2* K1 o1 Z2 E2 e/ _4 a3 A
2 u5 y! Q, R! U% l# N( a
setup-plot34 W: A7 u: t; h4 k* ]3 b7 M6 L& e
end
4 w% z7 E4 {% Z( H4 J
% c& E) \9 J7 Q;;run time procedures
! A9 s9 S# V! H6 m0 Z9 O
' b% ^8 P, u8 ?' d( P1 F4 }to go3 n" D0 a8 K7 j' K! j: i9 V
4 a7 ^3 a0 A1 c; d8 Kask turtles [do-business], y/ Q1 C* D. a Y$ P
end
: o3 s: D/ G- Q5 \) q
: X' P. ]5 x$ ~, Zto do-business
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8 ?' z5 K5 d! Z; m# I9 b% [( Z+ N2 [* c+ S1 o8 g0 [9 v8 J( m
rt random 360* i; n! M+ J7 n. x* b' M
4 r, D$ j: G5 m/ g, X9 r* Y6 L/ Ufd 1
; E4 a. J" R G0 \" X5 U4 G& V& g1 Y; B8 z
ifelse(other turtles-here != nobody)[' \& A9 c; T: ?: S X
# U4 e. `+ C9 C4 a4 ]4 |1 Q! u: tset customer one-of other turtles-here
% Y. a( D) \" k$ e9 X8 i! Z4 B& U- }
3 V2 [/ Z6 O% u& J; Z+ W;; set [customer] of customer myself
" L, Z. k" W& O0 g( C
' `& }% m; @ I4 }+ N0 M# Xset [trade-record-one] of self item (([who] of customer) - 1) T; T# M* ^. a r% D" d
[trade-record-all]of self0 F4 r& E8 ^6 i9 C; }
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self2 t3 c# P# `5 M9 P" V
% U p) z* \* ]" h- S) K4 uset [trade-record-one] of customer item (([who] of self) - 1), e5 Y3 I5 r9 T
[trade-record-all]of customer" H" J3 M6 v( ]! b* |
1 F7 e- V% o- ~8 V; i" G$ l7 o
set [trade-record-one-len] of self length [trade-record-one] of self
0 v. k# T% J# R: y/ {; [5 {# \* {' S
set trade-record-current( list (timer) (random money-upper-limit))
3 Z, C: J9 h o) V( i$ \* f& ?+ n; y, k I
ask self [do-trust]" O$ {3 {- E8 ~& S
;;先求i对j的信任度" Q# f# {% w! p+ C, U/ t& V
- F! x- |; Y1 Y( Mif ([trust-ok] of self)
* N7 ~3 k s6 s5 G' ^' g% ]1 g;;根据i对j的信任度来决定是否与j进行交易[
& N- \; @! G' p& p5 _3 l9 |4 Yask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself9 l4 |( e& j+ U3 G8 M+ F
& M) a$ G# E( [0 K, w1 l
[
+ m/ ~- j! D5 L7 U6 m' x: ~9 M3 A+ c
do-trade
1 o3 j4 @& _) q. j
% H/ Q8 b% L' r! Hupdate-credibility-ijl
. P% H1 y5 k/ r' U) ~# N7 G" O. ]" I5 T9 H
update-credibility-list
& t7 `, [" z8 |( ^. U5 R j2 E, t X# }! V
0 {" a) S* h+ Z0 [0 y# `update-global-reputation-list i& O/ N0 O; Q8 ?1 H# Z
: c( E) U6 O- O( v9 N. @ f hpoll-class8 L0 _! N2 t2 s- g5 L
6 a' H' \6 L4 s* b2 t1 A+ l
get-color
; P7 y- I3 h2 m! Q }: j/ U" }2 B1 g) g$ @) h; F7 H
]]
8 e( D) S0 z- |. {
4 P) y) B" |1 F$ U! d! M9 r;;如果所得的信任度满足条件,则进行交易/ N: P8 w# J$ r9 c+ z! E) j$ b; `+ N
2 @& g/ d/ e' U5 C8 c
[* `* R/ N4 X6 m3 @" K
Z! m& Z7 |2 U$ Z8 C! `7 rrt random 360
& k+ M1 T4 }1 F5 L; h1 y4 q6 n$ F" \0 W1 ]
fd 1: I3 H; z. H5 Z/ i4 O# ^% y& ?
O0 ]. w& e( J# S, W- J0 x* S9 G]
) o# u A5 b, c3 \% v! j7 O
6 W! t# U7 c: m! Send- F" I0 L m' ~3 B" O
6 z+ l7 y- G5 A) e7 l* gto do-trust
. G! e& _! q# t5 H( ] q( b- {set trust-ok False
) s6 `7 U- C. g7 I
# p* p) c% d3 B# Z) M, R d* ^# \7 R& E" H! q& r; J/ d4 U
let max-trade-times 0
& N9 S; b* O1 t" T/ Tforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]* l" a# p/ K# N4 P0 |' d
let max-trade-money 0
" f( j' n% D a$ T& w( H( d oforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]& \8 m# Z" m+ {0 F Z
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))) o" R7 s- n+ C9 f, I8 L* P
2 {2 x; Y) F( l4 q1 u, H; \, ^
) O5 R0 Q% W! d9 ?get-global-proportion- F+ w" l, G/ W7 _
let trust-value
# v2 Z0 i4 r2 R( g! Alocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)% G* D5 C5 H, z0 u6 C' x
if(trust-value > trade-trust-value)# @9 a1 d6 r, d4 O; S9 |" X, W
[set trust-ok true]. g6 k. V7 b' W" y4 U9 \
end
y* f" e. Y( g2 Z$ Y) D$ o; s; ~7 J {" d2 h$ ]1 R, G5 R
to get-global-proportion3 i( J& _6 x5 I, p: v
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)2 B/ g5 f2 Q. {
[set global-proportion 0]
. n- F" ?0 L6 k! f J[let i 0
5 }! }0 k, r9 S$ hlet sum-money 03 p4 s2 E/ Q# x, J* D- C6 U$ }, @; H
while[ i < people]1 {* Z7 W. E2 S
[
9 C) z5 W) E: Z/ S* ?$ Uif( length (item i
: {( y+ G! q! [* Z: y[trade-record-all] of customer) > 3 )0 y% a# }: M/ @8 O$ B' @
[ e, C' O3 \( t6 t
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))! [" L* u0 R( e6 I" p
]
/ n" s7 T1 }' Q; E9 []) `$ c; V; G8 }- m7 v# p) q& h
let j 01 e, _+ v- ~$ ~6 O4 w
let note 0
+ o" Z$ ^& Z; ^/ \- L, r# |. B* e) Rwhile[ j < people]; H6 g+ \% p* `2 r. V& e5 l7 |
[# b* `2 }& P* |* d6 _. O5 ^
if( length (item i4 z: T- t' S7 f4 i7 a( b1 I
[trade-record-all] of customer) > 3 )0 C1 r, T) q5 o+ b1 m% S
[
9 m* l! [7 J# Aifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
7 Q* {5 `/ _$ S. L" O[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
2 G0 V1 M( A* a6 ^4 f[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
3 c$ V9 P9 k9 ~" \2 t]: _( K7 \0 j: I
]5 l8 w8 f3 b G0 K: F# v
set global-proportion note
1 S) X* m. K2 \6 y( X]
, A6 `% u$ P4 H" oend) y! h% ?' j" g* d
9 V: z$ l' C- s/ r
to do-trade
6 G' K" ?) _6 y" R;;这个过程实际上是给双方作出评价的过程
) S% x" p. B. ~% j0 s; \6 Oset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价' h9 A* j5 K. V8 C. G4 q; f+ l
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
6 w ]' U7 X% A K: o9 h, Oset trade-record-current lput(timer) trade-record-current
% A! ^+ `+ |" \, [& };;评价时间
# e5 ^0 Y" N7 _4 n6 a- d& rask myself [9 g* F" E0 o2 I1 k) Z, o
update-local-reputation& Z( q# J# }( [3 x6 _
set trade-record-current lput([local-reputation] of myself) trade-record-current% s2 A$ `1 l: Y
]
0 B6 r* v9 }* _* c% U9 I* d9 y2 fset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
& I' ]: W; J$ c# t' O% z# j;;将此次交易的记录加入到trade-record-one中
/ [8 v3 [( y5 H/ {set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
, S+ h9 ]. x' }let note (item 2 trade-record-current )# p+ ^2 \' v& c1 t/ N$ l. ]
set trade-record-current
* M. I# N5 A5 |! J2 r(replace-item 2 trade-record-current (item 3 trade-record-current))
( U c9 V1 r* F6 J! fset trade-record-current( n9 w# r x0 L; N! f! E1 I
(replace-item 3 trade-record-current note)& o# a% d3 m# U1 A0 w, J; A
2 T0 k# u( D2 x5 I+ ?- _% b4 G- e' V r' l/ \ ~
ask customer [
! }) f* |7 B! P2 i7 Fupdate-local-reputation! u! `. f: V- \; u7 g( g
set trade-record-current2 f) [4 Y9 X, X0 u3 a/ t
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 5 l$ G& N. ~7 d: t
]
: e- Q4 p9 _0 n5 |% ~# ~5 p0 Y$ }
8 A( \8 z- X% K
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer6 _" p* v# @1 [7 J4 m9 y
& H, l3 A8 {: v# J9 n3 A) M
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))" ?. t( `6 W7 I! Y6 [
;;将此次交易的记录加入到customer的trade-record-all中
, J& z* d( a; L$ W- }$ d @end
2 P# h: ]+ z3 s3 U; c, P6 Q4 F$ e5 H
to update-local-reputation
. R7 Q' L( T8 C0 `set [trade-record-one-len] of myself length [trade-record-one] of myself
/ K6 L. a( C- n7 R+ V7 J
& @; i/ Z( G0 |' W2 J% U: |9 K+ C* V p
;;if [trade-record-one-len] of myself > 3 2 f5 P7 ]# c# E' L& ]! J/ }2 _
update-neighbor-total5 u n: j# y4 t" W* k& H
;;更新邻居节点的数目,在此进行$ ?, a0 B6 t! D8 B
let i 3
! V0 m3 J9 W( L8 Blet sum-time 0' f5 c+ o* r- [1 k
while[i < [trade-record-one-len] of myself]
* ~/ F& d& l8 o[
$ x$ l2 a9 H5 P- Q# b8 B" r0 oset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
/ u# t+ ~3 d5 V1 G5 L( \set i. q# _! k- j! n p+ Q
( i + 1)
' ]% r3 H# L5 J& R3 Z# ^% w]
. {* j7 M% Y3 u% m }* tlet j 3
, E* D! @1 X' u* P$ z5 ~6 rlet sum-money 0
- O1 j7 C! K7 g! D0 kwhile[j < [trade-record-one-len] of myself]
/ }. R6 p1 L) j* J' k7 o) N% ^; w3 H7 [[
8 T/ U7 T" F' ~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)- `, u3 `+ G. o1 w( q( G
set j
* b4 B0 t& w5 b J1 _( j + 1)
' M, C5 B% S3 V; H6 L]
8 t/ r5 D d% K! L+ J% o3 j' P& Dlet k 3
6 B' m" o c" qlet power 0
2 V) H+ a+ M' m; ~: mlet local 0
9 ~) H* v0 w' Z4 r% T" iwhile [k <[trade-record-one-len] of myself]. N4 T/ u& `/ E0 B
[. G$ H; @2 o0 i7 l/ {. X
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)
# O; j. G/ A) S6 X- b' ^, a. c9 y+ Qset k (k + 1)
4 e% l+ X; u" A]8 y" ^7 X1 `4 Q5 X$ q {( M
set [local-reputation] of myself (local)
& C" h- z! r* u2 rend
, ^, G5 _" K( x7 U
$ g; O! m; t& x+ `# tto update-neighbor-total
# c9 f! @0 O; a# O7 m1 T) o4 H. t( ?7 w' d+ ^! `
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]5 z. l% q5 |& z+ h4 `4 M
9 s+ ?6 C* T c0 G2 J
9 J6 I; E- k; L- G/ W9 N
end C0 O, R8 L2 ^
% Z5 S. q% X }* F' a
to update-credibility-ijl 7 \' L; A7 F. i1 a' f6 t4 i F
6 E: C y, K; R0 o ]- [6 y;;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。
# I& ^* b' d9 U+ R tlet l 0& ^* }6 H# m6 x8 d9 A
while[ l < people ]/ q3 S8 L: X) e
;;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$ u- V/ L! _& w D9 M0 Y5 B7 h
[
% S# F! b" T, F- ulet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
" R# ^! `, R$ Eif (trade-record-one-j-l-len > 3)" a" s9 ]. w1 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. v$ i1 V) {/ R4 R' e
let i 3! A5 {9 W0 G- S) k6 v: F
let sum-time 00 y2 g6 g* d# @# i7 c3 U. X }
while[i < trade-record-one-len]
6 n! G8 R. t& ^- u( O[) b( m; H7 m9 _6 {& X2 w
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )$ t, P. |) k% O- l/ | L: ~& A
set i
: K0 K! m: L4 D' X, o( i + 1)! l/ @1 x5 u8 s2 Y* h1 b
]
) B8 n6 s# K* Y& ]7 \* d! W5 m$ Slet credibility-i-j-l 0
9 m3 _. U) m! L1 M+ };;i评价(j对jl的评价)
7 f ?! S) V b/ t- s+ plet j 38 |* L) @( `! q2 N8 o5 R: \
let k 4
( p7 C1 ?' C6 m2 J) gwhile[j < trade-record-one-len]/ [5 F, R5 R1 p# y- @4 W
[1 D" @* E- O! r7 x
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
^/ V' z; J& fset 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)
2 i1 J$ G! l: m1 F. Zset j# D- A: H1 @. M4 v+ G
( j + 1)
4 p$ u9 u+ x+ v]( B9 _& J1 c5 _! W& 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 ))1 R; t* f3 q% W y2 T; T( M2 R! k8 w
3 |! }7 o r- u
2 i8 V! m; j s" l3 c# qlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))( n5 }" c5 j7 ]0 ^& T
;;及时更新i对l的评价质量的评价
/ r0 ~1 V" F* W2 n5 i2 w* o0 \set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
8 W) z; ~4 f: u; ^! zset l (l + 1)
: T( y. L# W) U& s6 g]
3 x) I& U& W3 U0 R3 ?4 oend* {" b, r1 B& _
q, _6 {( K' dto update-credibility-list( m$ `" W; f& k4 B" ^9 C
let i 0
2 t2 e- B$ h, Y1 I, H8 rwhile[i < people]3 R/ b; C4 p* z# A
[
8 @6 |5 j) Q U' r5 ] ^7 J+ Clet j 0
) a9 i. _8 k( [4 P8 K& B' Qlet note 0' ~4 l1 z l5 O( N+ s4 ?+ {! z
let k 0' V3 }: H& {! C) c" P$ k* ~
;;计作出过评价的邻居节点的数目( N4 }3 {& E: u& Q/ {6 M
while[j < people]7 _: |! ?# k( \8 @7 S6 O a
[
% A h8 V4 U% {( cif (item j( [credibility] of turtle (i + 1)) != -1)* V* H9 u9 o% x' X# @$ v5 e! b
;;判断是否给本turtle的评价质量做出过评价的节点8 J# ~4 z$ f& F$ d- d
[set note (note + item j ([credibility]of turtle (i + 1)))
: p1 a; ] m' K: T2 Z* D* h0 ?" N;;*(exp (-(people - 2)))/(people - 2))]
1 t8 P" y. W8 I: H0 q! v. }set k (k + 1)
& l# c: d, @) e: e! c8 u' }' u. w]' u9 _& t2 D j4 w- ^/ u, `
set j (j + 1)
: ?$ g5 `6 Y: [/ M, ~2 v]
, I0 N8 M2 }- ]! U6 U, o& [set note (note *(exp (- (1 / k)))/ k)( I2 H3 ]& U1 m0 c# r( w
set credibility-list (replace-item i credibility-list note)
6 }& B" z) u; C6 h- A% |+ lset i (i + 1)/ [7 {' S" \" |8 ^
]
8 w, I+ N3 R) \6 l% W2 W, `) gend D, e6 Y0 F" T' w& I
) d( [; i7 m' K# s1 Qto update-global-reputation-list, F- p! B U2 q: H+ y& P4 E4 L( R
let j 0
+ k$ F: X' k+ h& ~while[j < people]
1 @! q+ m) ^4 j% j+ r7 U7 v: B[3 j& p% m- g5 W, z+ l
let new 0
3 a* j+ K9 v6 k" N+ P/ N* k, R% m;;暂存新的一个全局声誉( E& z. {: U8 s* q$ P. x" c, Y
let i 0! ^. r& D# F, h6 b4 }
let sum-money 0
4 A# l( h; ~ flet credibility-money 03 P; g+ O+ r6 ^" t% ^
while [i < people]! L. Z. i- V3 [5 ~' ^, k: B
[3 _+ u3 M% {& t4 u
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
# R% u# {* W6 m" ]1 Mset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)): I) C" L: D2 I
set i (i + 1)
$ P1 R) [: b* Z; V]$ B, g# W% U, e, Z
let k 0
$ @4 l/ S% i( [0 Z# clet new1 0
# N t6 o! c% v( Fwhile [k < people]0 V( _; T+ p* r" x* }4 ^6 \2 c
[. [ l) _. y: Q1 I0 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)
# K D. ]4 Y; R# Fset k (k + 1)% {. K E n6 P) a Z5 N* z
]
+ T! a( O( q3 I; O; z+ l5 s$ Jset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
' I' j' T! M- u- L9 Rset global-reputation-list (replace-item j global-reputation-list new)( l$ N) V6 g' [ d$ a, e
set j (j + 1). u) C; c+ |9 V+ D, S& l# ?
]
/ h# ]- k- j2 Xend
( d/ S6 K& P7 f9 W2 r
* t$ a! H6 H+ P0 q" s1 w
! Z5 ^' m/ H1 N5 V9 E
8 P1 _! m# `. b1 S# Y# _to get-color
4 s2 M3 f* q% c6 A
3 z7 v6 F3 G7 E1 Y4 I* Q! Mset color blue3 \9 K6 w+ B9 G) p
end+ @5 K$ F% y1 e% _% S& w; B; K- m
* a8 b4 v. u# I4 ~9 [! e
to poll-class7 O, C3 L, _9 z8 k4 b2 ^, v
end
2 e" h/ Y. z z3 ]
( Y+ |$ K% l( }) ]to setup-plot1
9 F0 a1 Q& C4 E+ v: |
8 [3 G0 s2 ^6 u2 U/ p" w1 H; e: lset-current-plot "Trends-of-Local-reputation"0 U! J6 V+ X$ B8 c' j% q. _/ O
. U; \% ]1 { T5 mset-plot-x-range 0 xmax) Y' k2 p* i4 R8 U
- `$ W0 @4 M4 \. c# K' p" v7 qset-plot-y-range 0.0 ymax" q* T! V- A) g4 l* ~% @+ d
end0 ~& k6 i) R; k$ ]$ o, d3 j
1 i6 x3 u W) t; ]
to setup-plot2% g, T8 N; @* f+ ] r
! k P; ^( I$ ~% a8 U
set-current-plot "Trends-of-global-reputation"4 n8 k, O5 W4 q- ?2 w
6 w( ~" R; B* A: V, ^4 d; U! dset-plot-x-range 0 xmax
- |8 }( z6 f$ U, d# [, @ Y. P* X
set-plot-y-range 0.0 ymax% J" ?' Q3 ~% {, z q E
end
8 J, f4 A5 m, V. [$ y+ n" Z& g( W9 c0 |$ k: h! ~1 W1 @
to setup-plot3
9 Z, }+ J: D5 s$ `' P' c7 a. M' d* t2 A2 l3 D) i" O. J
set-current-plot "Trends-of-credibility"
5 L6 i' C$ t9 e1 b" g. g
: d7 N# O& U. F" aset-plot-x-range 0 xmax( G9 x; ~7 T, X6 C: q0 \
/ u5 d j0 k/ ?; n2 ?: K5 `set-plot-y-range 0.0 ymax
B% L' k3 W; Y+ z8 Xend
3 K7 B) W. S0 _. o6 g8 D
. f; t2 f. l" _. e: a% L& I7 Jto do-plots7 D# E/ T) b/ ?: |2 ?6 |
set-current-plot "Trends-of-Local-reputation"% Y. ]+ I" W$ i4 B: t' h9 N7 h
set-current-plot-pen "Honest service"
- U, p3 G# {; ^ q* W8 {$ `end
+ P8 v# e6 B+ @' L2 f; Z+ O9 ]4 c7 d) {# O+ y" N" `5 L' l
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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