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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0 ~3 w$ @( v( s u3 s9 U h& N5 X
globals[
# r: c9 v4 a# \xmax
, \& V9 e2 s( F$ i' Rymax
! L& D" n3 r6 @2 l8 }' Nglobal-reputation-list, ^6 w# ?* x1 i* T1 u
8 T3 V2 I+ x7 C& }5 v' X;;每一个turtle的全局声誉都存在此LIST中5 b( N9 M* Q, R
credibility-list
( p1 m# F, ~! |: c1 I( d8 t;;每一个turtle的评价可信度4 A- u+ `1 c9 k) L2 | a
honest-service
& g# e4 S' }& yunhonest-service1 ]+ C3 {$ V0 u5 O4 P$ a1 ~
oscillation
0 z3 `' F8 P2 Crand-dynamic
& H% ~3 p" V; F$ B4 []
0 ?7 s! M! ?4 U$ }6 A
: J; T" m# e* g2 iturtles-own[' t1 O( Q* A9 n, g! O* l8 o
trade-record-all
, e3 W5 `; v3 F: B. X- c- e; @: o;;a list of lists,由trade-record-one组成
9 q u" `7 Y9 ?2 G) }! N+ W, Ltrade-record-one
1 i4 V% F% Q/ h4 ];;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
& v( [; c9 @$ q" e3 Y+ J5 Y
4 |1 |* E0 C( M$ Y# E- c;;[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]]( \' L/ X2 [% J' B5 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]
9 W( [- k* l" c: z2 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list
& o, H$ G+ W/ G3 \' y0 H: [neighbor-total
% y' U. J# a6 I6 ~;;记录该turtle的邻居节点的数目8 O0 X+ Y/ x2 y, W2 K
trade-time4 } E# \ \- c
;;当前发生交易的turtle的交易时间
1 S: {; |& n7 T0 Q) eappraise-give3 d5 ]; \+ c M$ x
;;当前发生交易时给出的评价
4 h: R: Y( y3 K' W4 @' Zappraise-receive3 S5 L1 c6 _$ @9 Q7 y6 ~
;;当前发生交易时收到的评价
* a' v% e e& L( Xappraise-time4 D( G0 K- x- S& Z$ H9 X( `/ C
;;当前发生交易时的评价时间; V& N. [& Q8 c" v$ {; H' W7 `
local-reputation-now;;此次交易后相对于对方turtle的局部声誉/ e. Z9 u7 P: Q( X7 O) f0 y" I0 }
trade-times-total
3 s5 l% H1 T };;与当前turtle的交易总次数
) s* e" @# I9 _* A t3 r( x4 etrade-money-total: o* x* o8 d: N+ j9 _8 @% U, K
;;与当前turtle的交易总金额
* |' x4 J. _: U% Z) tlocal-reputation
1 z ^1 d2 U& k: f0 [; i* d3 Lglobal-reputation0 V; h; ~ n4 h( S, t
credibility
9 d# j9 l: N6 S, b9 I* n- m1 K;;评价可信度,每次交易后都需要更新# A. s' s2 ?! N; F
credibility-all
0 M! h* E% ?) O8 m/ R6 ^7 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
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( N( E6 e8 B8 p1 V7 `* C$ E;;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
/ n/ @. C9 g$ H7 b0 F3 i, _1 d( ~credibility-one& N; ]0 Y& X+ D$ o5 ^3 E0 L, t8 p9 }" t
;;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2 g% M! @* H/ T: _
global-proportion& Q: W4 U% @* q5 N7 C; u+ S# F- c7 P
customer
3 S9 Z! g3 c9 g: wcustomer-no3 a+ m. {, T/ ]$ ]& f1 q
trust-ok7 m+ L1 N0 ]6 w7 Z5 X) V$ M
trade-record-one-len;;trade-record-one的长度
8 A7 V! ]) J% q]
. o2 O) o! Y6 `0 W! k& u; o! u3 f" h$ f7 B+ H0 j3 Y" \
;;setup procedure
) y4 a7 H y- e2 X; W
5 p# l3 v5 M! }1 Vto setup- |8 l- d/ Q6 Q
# b1 y( N/ O$ M% i" tca5 K. L3 V! J* p( x* B
9 X2 z6 Z4 V$ M3 h
initialize-settings9 |5 o9 [; n( H# m) R) M
# V7 @! o. ]+ acrt people [setup-turtles]3 W( n! k& l8 \1 X5 v
6 v1 _$ E3 n7 e. U2 Q) F w; \
reset-timer0 J: W+ v$ P% ?0 U8 m4 a* W* T) u
9 ~+ |3 K% `" m7 [2 h! c
poll-class
/ ]3 H# \/ x# D, h- _- }; ]6 D4 L, h& n6 R8 S( g4 G
setup-plots
) J5 D. R7 L; {) U$ ?
6 Q( }, s' \* }3 ~do-plots
% `" p, G0 M$ m$ R% uend
8 Q% S ?9 t& h/ }- ]
, V5 _/ n& i4 p1 h* ~5 |% Jto initialize-settings7 X$ _* H8 J. M5 l# S+ }, I& z8 g
- x7 a! r( _- E& P) D1 G) uset global-reputation-list []
+ B* T, R+ T5 e. z
0 i2 Q- A+ z9 F8 A' U0 eset credibility-list n-values people [0.5]
: U) [. q# e) S, w
! F% R( |4 X5 R6 v/ S/ C5 Yset honest-service 0
7 A9 w P) H% Q) S: [& B1 y
2 _# P; d+ N; X7 h+ Uset unhonest-service 0
* `* n% I9 a# W/ @4 Q1 r3 M6 j+ o+ \* w+ L) o
set oscillation 0" _$ o/ Q6 z; l7 ]- @% O
! c1 `, Q8 Q* {' N* I; U" }. f
set rand-dynamic 0 _' z7 C8 B1 n" A& X0 U
end
: ?9 z8 H1 g4 V D- a# ]& a! ^( u# f
to setup-turtles
; e6 a1 N2 B! G3 H7 r) Aset shape "person"+ p, s! r0 B0 |' }/ i! P
setxy random-xcor random-ycor
O+ p! q* K: A; L' dset trade-record-one [], A; w& B( N7 C/ A/ l6 V6 M
6 O2 L3 [9 @7 p' m
set trade-record-all n-values people [(list (? + 1) 0 0)]
- i! N m `/ [. B7 @
& F0 j6 [( f+ t% ~) z, ?( Rset trade-record-current []
* _( q; Q# Q! o, c M5 |6 [set credibility-receive []* f8 I8 A$ L v3 `3 M/ k
set local-reputation 0.57 E* d: C8 B0 | Q& b
set neighbor-total 0% v. b5 m, H4 U `) w2 h- T: K2 ~
set trade-times-total 0
6 p$ ~& \. Z B9 Bset trade-money-total 0
: {+ B4 i" |1 f7 \ k2 f# B; _" oset customer nobody
+ F2 Z& S$ D( Lset credibility-all n-values people [creat-credibility]4 u1 S/ L! s, Z2 S
set credibility n-values people [-1]
. B: |* Q& V2 Q+ T% Z! gget-color; c- f6 n) N0 x
; l" L6 [4 J2 c1 j7 h4 C
end
/ O% f/ D$ i2 _; t- D' C
4 `0 F; X1 e5 uto-report creat-credibility$ `! r/ u f! ~8 z$ h2 ?
report n-values people [0.5]
: W/ E3 _0 U1 _6 q# b0 Zend
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to setup-plots
/ h+ b* c+ @, q; X1 Z! ]$ Y+ H3 d2 A1 l" T$ m! V
set xmax 30) g" u# T8 e- i P' M8 ]
/ l2 Q% \0 X5 Wset ymax 1.0$ ?6 R: d1 g7 x9 a6 X& i+ }% c
" d3 e( k7 x& gclear-all-plots
, Z% U, P( k) f- E& X: k' r1 j% o1 h; _; {
setup-plot1
; }4 o z, R" v' Z: \) L3 F3 C3 r! h5 w" k; h. P' U( P R
setup-plot2" \* y8 B2 ]& s& f
( }+ X: r) v4 X2 k; u
setup-plot3
* k0 {7 t! \. i% g2 L( V2 h8 Lend+ O4 x* `4 h- N* _7 {2 _
9 A" f+ t6 `/ \, e$ ]
;;run time procedures$ e" d N) S3 j N
/ }$ p( r* U' B) o' E: i/ d$ Q# mto go
3 b: m2 y4 C2 W# P5 \ y1 _3 m
) T1 f4 K, i% t' @: ~0 aask turtles [do-business]
6 A0 v5 Q$ s, Y& g" K- }end
2 x' J/ W6 S* m& @" r3 d
5 n) C, p7 d8 B: g; F/ L! Pto do-business
% K3 z2 g2 f) y6 u" R- F0 L {1 D- K# ?% F- C7 t6 J
) l9 W/ _3 C- Y- n7 X- M& e
rt random 360
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fd 1
- d: V9 A; Q6 N. f/ {, M; k* e ]5 _6 o' P3 k- x- v4 N$ {% E* j+ }0 e& P
ifelse(other turtles-here != nobody)[
( v5 l7 e) P2 Y- `: m
) O# `3 t+ w4 Y' }set customer one-of other turtles-here; I" w2 y, B: O# C0 {" V
* K: R( M3 S6 p5 J3 ?
;; set [customer] of customer myself4 l1 X9 I$ J, ~( Q9 N
9 J. X; I$ ^8 p/ X8 @: xset [trade-record-one] of self item (([who] of customer) - 1)
5 d1 ~2 o! H0 Z3 i" @; [! g. W' D h[trade-record-all]of self
3 ~; q1 m) j. }6 Q' |( X3 o8 c;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self# P4 w5 L' ~; x. d
: E+ e c" X! v! O! L5 V4 _set [trade-record-one] of customer item (([who] of self) - 1)
% z2 h5 I; \3 n- D) B1 F[trade-record-all]of customer
% f5 r- @# d$ S4 L. t9 ]7 R% {1 k; I$ ?5 j
set [trade-record-one-len] of self length [trade-record-one] of self
/ A6 p9 t, g/ E4 c$ H
/ C" T' U; i# r/ N' n( \set trade-record-current( list (timer) (random money-upper-limit))
A, D6 y3 m/ Q) C2 U9 b- e4 k, G$ Y; u6 A C
ask self [do-trust]
; x9 |; z8 r) }5 c% Y;;先求i对j的信任度
( p% ?1 G( Z( T ?0 Q A2 o9 C K( V
if ([trust-ok] of self)$ K; a: M% r! ]% V9 F
;;根据i对j的信任度来决定是否与j进行交易[
) M6 a; I4 H+ Zask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself C% e4 ^- v& S5 r _- ^7 `% z
d) r! ?; Q, M$ e( P
[
r1 j+ l% J% ^8 c$ ~. W! c# Q. Q* \* t* x% \1 @
do-trade
( G2 L# S. x# D. h/ f1 M5 J: P* S: s: J) x3 Z, A/ q( {3 E1 o9 D
update-credibility-ijl8 M: x% v4 K. x# \
2 Q I3 N1 c+ ~, J3 D
update-credibility-list
+ k( `, O$ k/ |7 A9 }/ A2 g$ \: z4 C' p# j% { t# ^& S
4 f/ n% c7 E: @' q
update-global-reputation-list6 ?5 }5 S5 J% b+ s2 J6 `
' K" q0 I; k8 l1 f1 ?/ `poll-class
; O. i2 _+ G5 l
) }" f% h0 G8 A; qget-color7 h3 m, V9 b# h+ G T* r' ]. d
" k+ \- y8 g: b7 @
]]7 Q3 k% s, F/ D( O
" \# o" U3 m& b+ K
;;如果所得的信任度满足条件,则进行交易
! K, R* e" e; q* F8 Y
8 \% a6 h; M2 Z1 O& z9 K[
- X6 f- l8 G3 Z X A0 A8 s0 u3 o/ O- T- h. F2 _
rt random 3601 n- z3 E0 C2 A, ~
( G# u( H* [- ?5 _: k$ yfd 1! |. q O, U( U1 k* t
+ {/ Y3 I7 r3 s]; U# ?( D. ]7 J' ^* y; I1 e* B
c# z6 W. l2 x) l
end
# [( U+ Y' x7 B4 a+ f5 u
6 Y6 n" x: b4 Yto do-trust & Q. l G+ g8 n8 b/ T1 i
set trust-ok False
; Q. p' i% Z- S2 j" C, _6 T' M( V6 x
* X5 P$ I; g, S' `let max-trade-times 09 H* Y" Z3 W" I5 P ?' w
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]- C& _8 X& o$ V2 o/ A* I, A% y
let max-trade-money 0
5 X2 j" W! A4 k8 a2 k: v8 ?6 y) {foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]1 k) C7 Z r# r6 W) \
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
) x) i/ G: ^, {" B9 _( e7 p! u
! P, a" F; ~2 K
get-global-proportion9 f* `) x' D, O3 O6 g) R
let trust-value
9 J" i4 Z" E5 { Glocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)+ W/ z- S5 w& K* c) ^# e
if(trust-value > trade-trust-value)
x) b9 s G* E5 ? I; d[set trust-ok true]0 Z# n. g# b0 k4 K! u* T2 s
end' Q u1 P, \+ X3 G; C
. ?! N+ {1 u" G3 x$ Qto get-global-proportion
4 F+ m V8 Z" ^/ c2 X# bifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. ~, q% I9 u, @8 `! a, b[set global-proportion 0]
3 {+ I3 S4 u: V7 y, T& a# e V' J9 y[let i 0
" z% Z2 ^9 i% i2 J- q7 V; Klet sum-money 0
; e; L+ k+ x1 X2 n/ X! Uwhile[ i < people]
' ^' D/ F+ o1 Y/ Y$ s0 `$ o! ?[
/ j M9 ]. G& ^" \' A. Lif( length (item i4 |6 \7 Q0 T1 z
[trade-record-all] of customer) > 3 )
3 r! H9 L8 \5 F; S[
" M2 i+ X- p4 }. h/ p' v( \, Dset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
! q- B; J; k0 q]
$ f+ [1 O" b* l+ v/ |" c, V* []
$ b2 K2 _+ h! k& Jlet j 01 @8 B) Z( }! M2 c
let note 0
1 A* D8 [" b8 r! Q7 O6 ^0 Fwhile[ j < people]
$ l4 k5 \* H+ G[
9 A3 P d; N0 l9 Sif( length (item i, O) X! V% v2 L9 {
[trade-record-all] of customer) > 3 )
. q. \- a; Y0 @! f[9 D# v3 V; ]1 e
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
6 ~& ]5 ~" p& D% S[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& |; d" l+ f' G- M: s z
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]* Y, b+ V. a/ z' {$ w- w0 Y( D
]% a r) }& n* J$ ^- K. U
]5 ?7 r# I1 c9 [% p9 g/ y: F4 d* W
set global-proportion note
5 N6 j% c/ e+ u: e% U' `9 v% E) S4 F5 B]
2 u) ^" S% s2 n/ Send
- {; K* c+ f4 T2 L) @+ M: Y4 t7 H7 Q% Y
to do-trade7 }% }9 Z. A' [0 A) y& e
;;这个过程实际上是给双方作出评价的过程
q7 z# s+ h8 v4 yset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价( |$ O- n; \6 \ O4 n1 t
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
+ C; {5 m$ @- N8 C% g" j+ `5 O; \2 Qset trade-record-current lput(timer) trade-record-current
% f- o2 o* j1 X( ~4 m5 K2 }/ p4 j;;评价时间
( T( W$ S7 t" t, jask myself [% L, i1 V R6 r2 [- U/ ?
update-local-reputation8 k+ ~* z/ R* z; r/ U
set trade-record-current lput([local-reputation] of myself) trade-record-current
: b; E+ {3 T5 J]' N* H" \* l6 g# R1 B
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
$ r: H, F$ f$ Z& h) g;;将此次交易的记录加入到trade-record-one中
- U/ A$ C- C |0 t5 Uset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 Q* ~8 ]3 {5 H( g7 Klet note (item 2 trade-record-current ); S# w: q8 {2 o, s# p" j& _
set trade-record-current# i. t# b/ ?. U0 R( V5 X
(replace-item 2 trade-record-current (item 3 trade-record-current))
- d; q' F2 c. M$ A7 Bset trade-record-current# b, [# F7 w9 O8 k* J
(replace-item 3 trade-record-current note)' o4 `* m" V9 U+ g% H
/ H* u/ Y- p4 x' S% L3 @1 o
u" d% B' W! Y3 O! o' Kask customer [' G1 y$ r# r; c. r
update-local-reputation
- ~0 }( B, g# `# Pset trade-record-current
8 I* h; }3 I: a) {9 [(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
" V7 m/ T) s# L- n* f. Z]( d/ l9 x8 b$ H
( Y9 W) @8 M: l
+ `1 U, N4 r: _- k0 Iset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer8 K0 b) r9 l9 R: ~$ R4 K( p
+ o) Q; N0 g7 J- F: bset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
- B6 z$ ~8 V: |" {! j: o- R;;将此次交易的记录加入到customer的trade-record-all中
5 ]$ x# }/ s c q! _3 d: bend
, |' R( l: s+ J) h' m2 w2 M3 L" J, H1 f; |, v3 {) X& \
to update-local-reputation
# x; c0 N" H( k! Rset [trade-record-one-len] of myself length [trade-record-one] of myself
4 ?! E7 F/ E- w! _# ~& X8 I1 }6 n: h2 v& T t- }8 M6 Y
" G# c4 n0 `, E2 W" ~
;;if [trade-record-one-len] of myself > 3
4 G7 x' v9 o1 d9 P2 mupdate-neighbor-total
: o1 ^( u( I6 D;;更新邻居节点的数目,在此进行
" x4 U. q# c: z" Y% H$ D0 L3 alet i 3
. w& v; y8 V9 S1 e+ Blet sum-time 0 @) D# } k& o' \, }/ \7 \
while[i < [trade-record-one-len] of myself]& @' E* `! g2 n
[. v, y# y/ T* K! K+ {, J- Z
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )/ p/ h' ^( f: i a
set i- g: L9 H% n4 U" ~& j4 R
( i + 1)# k: q: ^8 L" L) e( _( _
]
& A5 |) o2 Y! alet j 3
: @8 B0 N; |. d. A% Slet sum-money 0
0 d' t* p4 y( M5 q' _- {8 Zwhile[j < [trade-record-one-len] of myself]: ]; ^2 O+ t% \8 ~' p$ H& r
[
" {! Z0 b) v9 J7 E7 Oset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
3 k2 o {1 N) e; }% V; V" H3 nset j
" ~% R6 m) n6 O/ L V6 m9 g( j + 1)
# k/ p1 ?# q1 }: ~]
* q6 q1 h5 O5 b# e# N9 ^let k 3
9 A6 S+ @6 M( v, `let power 0* A: ]5 z; N5 H
let local 0# c2 X: K/ p4 y' e2 K2 g
while [k <[trade-record-one-len] of myself]5 p4 D2 G# v' W, K
[# b* \ Q+ W/ D# s3 M5 P# p. j ^
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: e% x4 a+ o% nset k (k + 1)
7 V! Z0 I' {/ r7 x& z' e0 ? {7 w]
1 v# Y# r& c" L* d8 {4 O1 uset [local-reputation] of myself (local)
+ Y0 C4 u% ^: Y7 x5 R: V3 c; Mend# D5 O6 d. @- ?: P$ e4 U
; x, u& G* h. O3 ^ |" e
to update-neighbor-total
`5 o; q' v- Y, a" x' w
: @& T) s, q+ }. E9 Cif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
' [& X5 h- c, i5 ^9 n
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! v7 g: R- ^; l6 Oend% E# [( S" P) O. k% Y7 d" D* N; ^
( k# w& v4 w# e" p: r4 q& V/ q
to update-credibility-ijl 5 u5 j: m# O% U) u; Q
+ }0 b+ u6 r. y# F
;;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" N4 C# {. Y6 ^
let l 0
2 I- u$ s" g* @, rwhile[ l < people ]% O6 W ^) H; L6 a% F" f+ T
;;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# }8 G+ b- ]7 B; a9 _
[
& f6 X0 X7 Z* xlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)- u, X% `+ P% g, p" m8 _/ {( J
if (trade-record-one-j-l-len > 3)7 x' W# j6 o, r$ D) c
[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* V8 Y- j2 ~5 _ n: z# c& F8 i% N
let i 3* f, P. N& W2 U
let sum-time 0/ `0 j2 _6 n+ _4 D, Q
while[i < trade-record-one-len]
8 b( Y1 [# b$ @[, E- z6 T' T( P% ?. F, t$ S
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )3 w9 N5 ]3 |3 n4 W9 E9 E
set i& N9 P, Z9 s8 M, x0 G; g, ^ a
( i + 1)- `# ]; W1 o4 C5 K$ X
]' A7 Y7 W' }4 H" ^
let credibility-i-j-l 02 s( l; W" {3 E
;;i评价(j对jl的评价)
+ X" [" j: p3 l; {- z( llet j 3
' L! I9 h( u4 R/ X8 Qlet k 4
9 l3 c. V( J3 Z' I4 j; {6 Kwhile[j < trade-record-one-len]5 [* `9 O% s8 s0 C7 o7 b
[" p: k' J! D" f4 D: |% W' V. y
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
' V6 ?5 p: j1 v4 G) D, }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)
" p' s8 p% t, Z% u( k; aset j
9 ]$ q4 b) V6 N0 D" n( j + 1)
6 a- ~2 J4 ~- `2 n! F/ v]: q! [; F- k2 l" T
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 ))
% Z9 F+ j% _: T& ^+ O4 C% b, c; D2 u( D8 c% _
: @# Z4 b' Q8 ?2 o! P3 ?let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
6 d$ V, |" E7 a* g;;及时更新i对l的评价质量的评价9 \- r# s# e* e0 m0 k, N
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: B2 l3 \0 _# H! \2 Eset l (l + 1)1 T3 f: M; L( l" a. x8 `
]* ~" V4 s7 Z; e
end
3 k$ S) H0 i, e6 w1 t" J1 K; l2 }' Y, {8 `) w8 O" v( B6 i6 @
to update-credibility-list
/ I) j# C- O$ S- h* q1 zlet i 0) n! n8 S* _' ?$ l3 w/ w
while[i < people]
1 l' I* q z0 w[" D& l9 n9 q& a) k
let j 00 }5 m8 x0 Y* J) m
let note 0: D$ ~$ @+ h' K9 Z
let k 0& H/ R6 R3 W* a" Y" M8 V9 O3 Z, h
;;计作出过评价的邻居节点的数目
& h; Y& F) \# R) T9 jwhile[j < people]
& h' o0 V0 d- w9 q7 {) r[7 B, o T: C8 S2 d" q7 @# |4 ^* M
if (item j( [credibility] of turtle (i + 1)) != -1)+ ^) F9 ?, q2 V/ j
;;判断是否给本turtle的评价质量做出过评价的节点8 d! |' A4 b% |) L
[set note (note + item j ([credibility]of turtle (i + 1)))
0 E1 M+ p" e) c1 ?4 Q" J;;*(exp (-(people - 2)))/(people - 2))]
0 X6 m: s" v9 e1 u; S$ ?( jset k (k + 1)
" R; D" {) L+ H# x2 ]8 V]& [# l7 i( ?; I9 d1 N
set j (j + 1)$ r9 M) ?4 K6 v1 z
]
- q9 r( f8 ]" a& w$ Y r' t* Hset note (note *(exp (- (1 / k)))/ k); m) z/ Z+ D! C
set credibility-list (replace-item i credibility-list note)
) x/ _5 ^2 `% v- P! O+ Kset i (i + 1)
& u8 K. n( y, L9 S6 Y]
9 t+ P2 ~1 R3 H% G+ T& U8 Mend
) o( c" F7 X( G) K/ I4 `; q
5 I- p4 m0 U: B0 tto update-global-reputation-list
5 h) o8 d9 h5 w4 Wlet j 0
6 V% n! l$ c4 q* y. ^8 `- b) ^while[j < people]
7 y8 c5 X7 ?3 v- Y[
6 Q0 w" Q9 G% G8 y( v" Rlet new 0
1 t& f# K- Z) G ]$ Y. v;;暂存新的一个全局声誉; d; G+ Z( w C9 E% V8 n
let i 0
3 @, q; h5 v: J slet sum-money 05 r' n+ f; m2 R: U
let credibility-money 0( H' p) ^0 P% e) N( f! l
while [i < people]$ K2 R* r& p& \8 W
[1 O% o. Q3 }# T3 G2 _3 \, j: q
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 ~; M5 ?4 s1 H5 E/ a- a* B4 s2 T0 T) ]set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)): F. _, H4 L" X3 J# l* o1 w
set i (i + 1)$ n3 Q6 S S7 }5 A
]
+ |7 m$ k) s+ n" W8 mlet k 0
) u9 L# ~# S; @ Y( i9 Elet new1 0& s8 U3 B# n7 }. K1 u$ y* D
while [k < people]7 m* P5 z+ y" r% z
[
; ^( D7 l i7 N' Jset 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) A2 J% ^, M5 U+ l
set k (k + 1)
/ M1 ?) j+ w( U: P; s. p0 U0 p]
W+ C4 K5 P' D7 P2 K) |) Rset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ) f4 n9 s7 M- a9 u: e
set global-reputation-list (replace-item j global-reputation-list new)2 Q9 L8 a5 J- `3 Q' R5 ^
set j (j + 1)
0 [8 H0 u) @) p ~4 L( S]
+ C N1 W1 t' o* r5 Pend
$ \& v2 M9 _7 }2 q/ P. @& i. K/ u8 J1 R& I/ h
- m2 _3 X" p: Q% O5 r, B" Z. g- @. k
) L [/ i0 d; {) u% X5 O/ Ito get-color/ U9 q6 ]# b& P) \; Q! m4 _ `& [
* Q( m/ ]5 R- R c' m2 \set color blue
, V/ X4 x' ~; v nend
( \- S% ]% S' l: V9 ^' N4 |3 T( Q5 Y& r
to poll-class
/ g' P# R8 o; U" n2 J$ g- g) tend
4 t1 e, f6 R7 e" J2 X- {( D3 _0 z3 F! |2 H3 P
to setup-plot1, {1 _/ q: G6 Y7 S& G8 V% [5 a
) W4 O8 I8 q& T7 o
set-current-plot "Trends-of-Local-reputation"3 M; Q, W1 E% R; Z4 }
0 {/ @% `) _" D2 L4 e
set-plot-x-range 0 xmax
; T% N$ C! d2 y& H% N0 K0 R
& e( V6 U0 W/ H! o& |" {& O- Zset-plot-y-range 0.0 ymax* }5 e# r i% \2 W( s
end
4 m7 T O9 R% n! u* R
3 I$ y7 H" b! H Nto setup-plot2
9 B/ [. M/ U+ L1 b5 T) w
3 O$ X" k" N \% a- L# }0 aset-current-plot "Trends-of-global-reputation"0 @( ^4 T* c' _% M
" ]% @: i7 D, O, i- M
set-plot-x-range 0 xmax
6 @+ N" r* C. U' U: n6 k$ B0 m0 d* V. i( v
set-plot-y-range 0.0 ymax% i2 @ P# W8 f P: h( d
end, K3 i9 y( Q6 K9 z; n
* j2 z* b$ a# V# p& q
to setup-plot3
+ o; ?0 ] E( `$ G$ l7 G
7 m G" y5 ?" j1 ?; @, D& ]% x5 Rset-current-plot "Trends-of-credibility"
5 @( ]$ |# N9 q, R) M0 k" O a1 U$ E; G' B8 Z) J
set-plot-x-range 0 xmax
4 }; }# V4 V& ?6 M" i" R, K3 X1 y, l+ J9 s7 S) B$ ~- R/ k6 y
set-plot-y-range 0.0 ymax: _& Z7 M _2 C6 {- ]7 S
end6 a( V8 M. e' O- V/ E9 Q. F, K
) n& o* t/ K8 T5 P/ n* u6 v4 {to do-plots
+ o' s& g8 l, E, ^* r7 A# H* K- H0 Kset-current-plot "Trends-of-Local-reputation"
( X( x. E1 [, aset-current-plot-pen "Honest service"4 b* b) ^$ [8 t' O( X) P9 c) M6 G& N
end! `1 t+ Z) F4 J$ ]& x1 x
" [' F* e& W( ]7 `& G' T[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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