|
|

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
) _$ v' C7 h0 d1 o. r# Kglobals[: R2 o) D1 X \) o. _
xmax9 F* M2 n" q) N; Q- I# a# B' P
ymax
1 o. h& \) C+ V& S; l: y0 vglobal-reputation-list
5 \9 P+ L- S3 s
* }7 \( _& h, g# M4 k;;每一个turtle的全局声誉都存在此LIST中
: J3 l' n- s+ D Dcredibility-list y6 | B0 t) s# K/ w/ x- g
;;每一个turtle的评价可信度3 J6 S# @. y, d9 l' w
honest-service4 I% j- R+ Y& I+ f- o& f& F
unhonest-service
3 u/ D7 R) K0 g$ Z- Doscillation
, ^- g( V+ e- D; |( j' [# @' Crand-dynamic5 U, H1 P( v v7 d
]3 d% S' @; P, F) C m4 g
+ o$ X4 D9 A& W! R* E
turtles-own[/ t: e& j/ O. e- f- w
trade-record-all4 {. X6 C% A+ U" S5 K; ]8 ]
;;a list of lists,由trade-record-one组成
; g, A! ?2 a7 strade-record-one
, |% ^/ p) ~* A' ^+ p;;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, {2 Q5 K$ \3 x% x. l& a
& G7 C# z5 E; ], \* I;;[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* G$ o+ s$ `5 U8 X8 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]" O+ d- q% l+ ]- a% ]
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 w% |; K1 ]5 z1 ? N3 ]/ d' K" G1 S- sneighbor-total! G3 W3 w9 ^& F, S: g/ o( O9 F& |4 \9 {
;;记录该turtle的邻居节点的数目. x0 V8 D& ]0 A6 g3 _, T
trade-time$ x+ K3 k; l! M0 }
;;当前发生交易的turtle的交易时间
$ l0 g* Q' a# z9 i; oappraise-give
7 o3 O" t6 m8 n( y;;当前发生交易时给出的评价8 t S2 O) D" s
appraise-receive
% _4 H/ ^( s( m, @" E;;当前发生交易时收到的评价
4 V; K. S$ I) j* Y" l$ t: ?appraise-time
/ T8 G1 L1 _; S5 Z( S2 ]$ z;;当前发生交易时的评价时间
3 C) b7 B0 N: W" mlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
- ?3 {+ F& b; ~" g+ \trade-times-total8 p" c5 D$ Y! Q) e/ x
;;与当前turtle的交易总次数
: C5 d$ F, h+ g0 Utrade-money-total) n% v4 i: v7 t0 _' M
;;与当前turtle的交易总金额 q8 P& Q0 p- h
local-reputation/ ?& ?- p! d: ^3 c. L
global-reputation
+ I0 X, |9 Z" n0 n- i4 ?: mcredibility+ ?& c' ^) T' Z, m9 Z5 t# G+ S& e
;;评价可信度,每次交易后都需要更新6 T" [2 C, e. Y. Y% D
credibility-all* b1 P# w0 o. 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% U0 p$ i! t* C+ A
# S, e( |3 m, ~( s# A8 V1 \
;;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
0 v$ b# u5 f Scredibility-one+ k+ }6 {1 L; i K+ O+ Y8 |
;;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7 V4 e O( O/ Y8 k( L
global-proportion
8 s% K$ L4 }7 @; _customer
3 F( d. V/ E6 v- H: Q* J. ocustomer-no$ h, K9 ^/ c3 n I
trust-ok' p( [4 |' z; B+ n. _$ e$ @
trade-record-one-len;;trade-record-one的长度( c1 S; o" ?+ a# V1 f Y$ C5 f: X
]
$ ?8 A( s2 V3 q9 H- B& C* f! l4 _2 ^
;;setup procedure. E4 ?, {; P/ r0 t7 R' I
% u$ m: A; X! L1 V% }5 m( n
to setup8 U6 q1 a. V/ T0 w1 p+ W& Y
% y7 K$ E3 {4 `: {$ K$ I+ z Nca- W) p6 s; P. {+ v
0 ^" S: I6 D( [+ v
initialize-settings9 i0 o! W/ s; r
3 v" _$ g# J1 o {
crt people [setup-turtles]& O8 F& ~1 W& W$ ^* Q
- S9 R. k7 b/ I$ c
reset-timer% H% U3 M- s# L- G; t* j
0 X2 F/ l0 e6 _$ J+ ^
poll-class
& p9 v# o) n- F S
: w$ ]* |, J% T4 Msetup-plots
% R- A* ?2 [! S# x+ m2 \' s! ?" i) V) E+ J( y% c4 n6 }) a
do-plots" g3 Z Q7 D3 |! H% r3 U5 W. v
end
$ \9 H5 N8 ~% x& j$ e7 ^' B
- R1 [1 M' X0 L) h# j0 {* |- d) `to initialize-settings
+ ?+ {- \2 n# N8 `4 ]4 ?3 V3 C8 \2 B! W1 c/ K4 d' \
set global-reputation-list []
4 _7 A* ?, n3 d+ |: E( u- o! Y i5 s* x7 |
set credibility-list n-values people [0.5]; f p$ A; z* f& }" w. K
& X6 o) e' G* {5 k) Y# zset honest-service 0
- ~0 N, C' ]! N. [" @& [8 O, g& P) i& x; K, z: p+ {( Z4 i
set unhonest-service 0$ T8 Y: V1 M' e# g% \
9 @4 C3 y: H. a; [+ k. X: pset oscillation 0& e$ i, d `7 d* ^+ ` n8 T
6 c$ `3 D" `( l' Q, Hset rand-dynamic 0
: g/ x L' C# }* C8 b/ }end
$ q& h8 d9 _9 }4 t
0 Z# j6 j: ?* S9 b( Pto setup-turtles 2 ~# w6 ]" w o+ k; N# z3 Y1 x
set shape "person"5 N# e- X; e, K
setxy random-xcor random-ycor* A% M9 N5 p0 C$ C4 I! n
set trade-record-one []
( L, J% |$ R2 g5 y, A
) b& v$ s. f" Z; Fset trade-record-all n-values people [(list (? + 1) 0 0)]
9 s; W) P0 s% R5 ?8 ?* S3 N* c9 `" z% X$ L/ K0 [3 S5 ?- r
set trade-record-current []
1 O* O* ~) b5 e; wset credibility-receive []
& U) @( [ t. m n8 c$ d. f3 `! Y4 eset local-reputation 0.51 v6 c0 v+ L2 X' D
set neighbor-total 0
1 z* ^+ P/ r6 ~1 n2 Aset trade-times-total 0
- v I+ i- f) t; T$ q1 V5 Lset trade-money-total 09 ^! W2 ^/ w* E
set customer nobody
, m* |9 G o2 c9 c3 Kset credibility-all n-values people [creat-credibility]' h C& ~% A, V" ?* C
set credibility n-values people [-1]
) h9 m- g' [) x9 ]0 p; r1 Nget-color
" A6 E G$ {, Q" G- _9 b- [& Q) N' r% a1 s
end4 j1 a" T' b2 X: z+ N# K3 m
0 O) ]' Y( O& G; jto-report creat-credibility
/ R% L# Q8 T- J( B0 Greport n-values people [0.5]
/ u+ L8 {! d9 D7 _% y0 \) {3 t5 V5 Bend$ T+ ~3 C* Z. y4 T
2 Q# \% m5 C- K. W
to setup-plots
: @. {8 T. ]% Q' ^/ Z9 N
$ L# y: w; b/ A1 R9 aset xmax 30
6 [! X* Z: |5 ]- f: J I
* V9 q( r& ~% J/ \set ymax 1.0
* c2 m( r/ Z; O6 R
P; Z6 k$ G5 X7 |1 ^clear-all-plots1 `0 J' w8 Q' G: Y0 i* F
- K8 f7 d; d7 l& N8 z6 r! W
setup-plot13 z% o! r8 \/ N: x' j6 r' k0 ]
/ I J9 n' K. U/ N5 Gsetup-plot2
3 p, _) N# [: E" p' H8 c% |
& a/ i2 W0 f8 M& o* [* s9 Csetup-plot3, I9 ^" ^4 K; [- @' ]( ^
end+ l; v5 N) \" l1 Y8 g
* M: b1 r# S; x7 Y8 q
;;run time procedures2 f3 b+ N4 O' X) z/ X6 s
. x3 @; E! A1 J# |% S. Qto go
5 j6 X4 R' v; p* [
0 G+ U! h% E, u' Wask turtles [do-business]! k" W j- @& X# }- f
end e, V0 L$ E9 h" k, e t8 s
2 m; j9 h! F* z9 B! c( D s3 lto do-business ' ~4 P+ \4 f4 Y
, q4 U" p* V6 W/ K, I
. ~! E. z' K# L# K7 Q; ]rt random 360# l4 a' \7 \% M& j$ g) x
7 u0 R. V9 P" G1 C6 p3 ~9 hfd 1
, f* g) I: S! g! s: a& K" q7 e) l
3 y ]* j+ L& Y2 P- C' cifelse(other turtles-here != nobody)[3 \- l) f5 I5 n0 J) [% [* A, m
Q! k% m: c! E% H r
set customer one-of other turtles-here
) n8 f6 Y) M4 o V/ e: e, z- Z0 J/ o+ F" H6 l' h
;; set [customer] of customer myself
* r$ m4 |; g2 I1 e# X9 \( |5 J V3 d1 H. l9 E! l$ A7 @
set [trade-record-one] of self item (([who] of customer) - 1)- x4 j; X$ J9 {& u! N( }7 b0 [
[trade-record-all]of self e2 P' [5 c0 h
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
' Z; |/ T7 r9 Q. [( \, Q/ }9 Z8 K
1 c9 g$ A" C4 c5 [set [trade-record-one] of customer item (([who] of self) - 1)
0 @. s. r1 |- k) I! A' d8 T! ^/ o0 \[trade-record-all]of customer
: r* O: o. ?+ |& ~9 w
8 R. q" b1 q, _* Q# ?5 [- Nset [trade-record-one-len] of self length [trade-record-one] of self5 o0 {5 @6 \3 k
3 n$ `! }' u; F2 C7 V
set trade-record-current( list (timer) (random money-upper-limit))
( D( l6 m4 u" T5 N& J' A' J
: `6 E. G* S( B3 hask self [do-trust]
, B/ `9 |2 A' m9 g" }0 S1 O- ]3 b;;先求i对j的信任度
, l1 Q3 T# p7 X- k( Z& O, A3 d& m; d: U: {, T0 \+ _' k& I1 P
if ([trust-ok] of self)
2 m" T) p# \! s;;根据i对j的信任度来决定是否与j进行交易[$ ^) q* u( ]7 w, v: [
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
: P9 G1 r( e+ C* }' F2 ?* A$ ?* |# c' c/ {" J
[! a# V3 L5 o. m" u' p
& z' ?7 f( ?! X6 M+ }" R Xdo-trade/ F3 ] Y7 c8 B
' o/ h0 y+ y- x. n- L. rupdate-credibility-ijl$ e' |3 T0 i1 [3 T) C9 \2 y
. b' G: B! t3 C G3 `9 J
update-credibility-list
9 b$ Z, r* `1 t8 e/ {
6 m- j6 f8 R: s* D8 b
- @- m# P( A( L; S, Yupdate-global-reputation-list
- e0 ?9 D5 }9 T% i8 U3 c
1 g: Z) E7 G8 W) |3 C+ v7 Q6 @+ Upoll-class0 c5 {$ @2 [% f o- @5 o
# ~2 l) S* c* i$ u0 S3 M- U- vget-color
; U) f$ f- v. F( c: r
% c. m$ T @8 Y G& f+ y]] S" `( D5 k m C; ]4 ~+ ~' Q; }. j" J
% r% o9 x; a0 m& E;;如果所得的信任度满足条件,则进行交易
% W: o* p; V' M* H$ f; D; V) a3 X( F) p
[
% ~7 V, ]* {/ k( d4 D; d5 E
+ F* Q0 u3 H6 O: ?6 z4 w' qrt random 360/ ^+ O; T! W; P. L2 Z/ {2 d& _& ]( y
: B5 T4 |; X% Q) D1 e
fd 1) z" K0 h3 T! c5 c
* l; X( g! `* y! S! K) n]. g: D3 S& T/ j+ R6 O( D% }
A" c7 o' P* p6 aend
8 w' {: x" D! X
( V: p0 n" C0 P3 @- W' Sto do-trust * y) [6 K q% u3 b/ q0 A. m
set trust-ok False
; i6 S w4 w6 h) y# c+ m T* P3 C& D' S
2 l% ~3 Q0 F5 N% c8 olet max-trade-times 0
, C9 G* F% n% T1 X$ |+ i# d6 k/ ]foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]9 L. Q7 W9 v( a5 t2 d/ N
let max-trade-money 0( ^* ~$ M& Y, Z
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] P4 }; o4 P* l% z' ^9 {- |
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)): N% S# K" M& a$ _' M0 Y2 p# f' y
, L( U0 b' \5 z% f; y
4 r% I+ V" b2 e( f, y
get-global-proportion9 m' f$ u- L+ i: U0 H% A
let trust-value. ]+ a5 Z: E9 m0 c
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)
; D! W. d! }( \9 ?! s% g- Xif(trust-value > trade-trust-value)/ g. D2 O6 v b6 k
[set trust-ok true]+ J/ d' i5 ^, F, q
end
1 \2 p3 v6 Z- G' c$ G' V: Z0 @! s& l, G& ?) C5 J# S
to get-global-proportion9 N- V' f# h4 D* K0 ^' O/ w! Q% i
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)1 v+ h! k% B1 U2 K3 K+ B9 U
[set global-proportion 0]8 c% V+ O0 d5 F$ p7 J
[let i 06 o! M& S0 ^+ L5 K. @
let sum-money 0
( r( G2 s: t( w" K! `7 Cwhile[ i < people]
! @# S* W5 v3 p t[* n1 L5 J: b3 T4 v% d- ]2 V
if( length (item i4 `! W, p9 \8 F2 J: J7 X3 S- C" M4 o
[trade-record-all] of customer) > 3 )
! g6 W6 O L2 p! r[. s# V9 t- k' A$ F4 v
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
6 S7 F# r% h: R; q- x8 P- n]
6 L6 M$ n$ C* c/ P' h. e]
9 b6 W4 D- y! d3 n K' ?let j 07 V3 G9 f& _' P# g
let note 0
: _ R. m& { D3 l: [& X3 ^while[ j < people]: l6 F4 P" l# f1 a, w1 f
[
# m; h. Z9 P E. s1 C5 X1 M! m3 L* gif( length (item i l1 i5 Y8 K4 u( M: k1 c
[trade-record-all] of customer) > 3 )
4 a' s) _. Y5 }' I[
5 {8 U! |, P# @9 n, l' ~# B9 xifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
% i P( v6 v y' n[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
" p8 S0 W6 U2 V: F[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
& R2 g: n, y I- i& @$ G]
4 m0 j. u& ^* @9 S1 T0 D- W& m]* f% x3 I, A. g; S- l2 l, U: ]
set global-proportion note: e! l9 W6 d8 E5 P- {
]
! V" C3 ^8 `1 c' Pend& W; m3 `+ Q( f1 n
3 H. r' K5 p' p, b; J, S+ K
to do-trade
/ X, U9 b# I$ L8 ? v3 |9 ~. A+ f- z;;这个过程实际上是给双方作出评价的过程
* w5 q3 `* \0 q# H! o9 f1 Y/ vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
' t# j, s5 Q# Y$ `/ g0 K% vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
+ y- @ }9 f0 O4 g; ~9 Hset trade-record-current lput(timer) trade-record-current
, L# T% x+ K F2 }6 @+ R5 \# m;;评价时间
3 f% B7 S7 ?8 e( Y% Lask myself [
$ W$ E* \: E! zupdate-local-reputation
: A4 X. f! m5 H" L4 lset trade-record-current lput([local-reputation] of myself) trade-record-current: c1 R3 G6 o# _4 w, H3 Q9 H9 b3 X& t
]
5 O% v: n8 v; m b, Cset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself) m' t$ T+ _! _3 ~% a5 {7 j+ w
;;将此次交易的记录加入到trade-record-one中
6 Z9 E9 o* [" H0 zset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself). i3 X/ z+ o- F9 o- N4 A
let note (item 2 trade-record-current )
, Z1 d1 v$ T0 Q/ z( q( ]set trade-record-current
1 K4 n/ }0 Q: e, g. q(replace-item 2 trade-record-current (item 3 trade-record-current))
- @) D: `6 Z8 m/ C3 y: bset trade-record-current/ q! j6 M8 e) D. i- h! E- V# M
(replace-item 3 trade-record-current note)
5 L; O" q5 C4 _2 P" l# {: t, `! C% X- [. ^3 s+ ^ V# B2 E! R
4 I" {0 \5 e# V3 L; h% C k3 \ask customer [" P. s& `$ z8 F- J/ F1 g% @
update-local-reputation
- r" H, S4 Y3 a( S5 E+ G3 eset trade-record-current* e9 ~% n2 T3 Z' }" x Z
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ' t; P' o a# Z& P
]; a* Z2 }/ P5 v+ a- {
6 H n, [/ z$ V) A* |9 }) w3 l
* c2 I( _. Y5 L/ h( B* S
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer7 P z( o0 P2 z: y& P
`1 ]5 f6 y8 g( G& ~set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))1 v2 U5 @7 ]3 R, D* I
;;将此次交易的记录加入到customer的trade-record-all中* C Y& ^" [9 M0 Q, ]
end
6 E {8 Z5 Z3 N: A! j0 y% \' E
: U/ Z% Q3 @- h. l) s; vto update-local-reputation
7 n" M& B; ], ?- z' n9 g+ C7 a; |0 v* Xset [trade-record-one-len] of myself length [trade-record-one] of myself( Q5 \5 a' s$ U6 Z2 D. k* ?, i
1 ?- B. r U9 }% ^7 ^+ a
$ K. u+ c( j- w;;if [trade-record-one-len] of myself > 3 / L/ H _4 b7 ]3 S' M- V/ _- j5 F
update-neighbor-total
; e* F/ ~! q" v0 j! J6 s;;更新邻居节点的数目,在此进行8 D3 H" p Q# L7 j2 v: R7 j# s
let i 3
0 A. z' U H5 [0 Elet sum-time 06 X% N5 _" m6 s9 }, W9 g
while[i < [trade-record-one-len] of myself], R* Z3 s; W+ U1 N8 w; H1 Q
[' R- e& }6 s( q$ a7 b
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
8 f; V. b% k9 e7 {4 [ }! X/ y! u/ ~set i! _* u' g. C$ d; Z! E
( i + 1)0 M) y" j1 u, X6 J% ?
]
Y; D* x; v) O. N: Q; @2 g4 G. Ulet j 3+ A9 B! I9 N5 W
let sum-money 0# q$ y0 T: n5 X: t. `, W; y* o
while[j < [trade-record-one-len] of myself]
1 V7 H( }9 {! z6 Q2 q[. n5 c7 C# w# @$ J! d. h
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)+ {7 w6 Q0 I6 G# _/ A4 q5 S5 z1 ]0 u
set j
& u6 v. B& S& Q& h: T# O& E: u( j + 1)6 ~% t! \+ j$ B+ s& @
]3 L# @: g. Y3 L& G7 o1 N7 C
let k 33 x) n& V* P6 ^/ e3 a+ `% x8 i- {
let power 0
% n8 q6 q* { D- Rlet local 0
/ D$ ]' v2 O" }- `while [k <[trade-record-one-len] of myself]
; k3 `) `0 _ D; @1 d& Z2 Z( \[
" X5 E1 s3 x2 F6 Cset 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) : z* Y8 N9 _* Z7 C6 t& f
set k (k + 1), g8 ^8 L9 |2 b6 e- d
]$ T* R. m) N' G
set [local-reputation] of myself (local)
6 d* @0 `7 D5 X) ~; ^( vend
8 _9 ]( ]+ m" S9 \8 W+ F1 E) z" Z/ R
; W& j: z3 k+ X$ Z$ p( [9 m% Nto update-neighbor-total8 E* z& Q3 Y" e+ Y9 \
/ }# \' b# Q2 w/ n9 Bif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
2 g V2 S& I8 [1 w# F( W$ l
9 i1 r% [. B" [* N. _% v+ j. g2 U0 w! d2 Y
end
8 @- c d5 w% h: S5 U( d( @2 R) `6 q/ w: u8 |# p3 B
to update-credibility-ijl
! r5 e/ S1 W. e. n& `+ y! i' J# c2 {/ G5 v9 R0 R. ?) s) A$ I8 J
;;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。1 Y3 b! |2 t4 M k
let l 0
0 p# e/ f; Z9 ?while[ l < people ]2 P5 S0 Y6 v7 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
9 k& H$ g1 A6 s# d, O[ e, B# Z# u4 Y8 [, [2 r% W% P
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
4 u# w/ P. N$ X( J0 H4 T& Cif (trade-record-one-j-l-len > 3)
) @8 d; g" ` R" T5 ^" n: k3 y[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
* s9 \9 X, z1 @# Y1 Rlet i 3; G% w' X' A& ~, E
let sum-time 0- z& n% X- t* w2 y J( T2 J
while[i < trade-record-one-len]# D$ p* c, Q5 S: B2 {* |8 T
[
$ V, Y4 v0 T4 B& Z) tset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )! J- I0 \6 a6 c. a7 Q, G
set i
+ P1 Z/ Q& v* ^, b( i + 1)
. @, e8 }4 v( X" m]% \& h& L/ f/ @+ M8 K5 D
let credibility-i-j-l 01 j6 z" P, {+ @& X6 t1 A
;;i评价(j对jl的评价)
! m. g4 {: j+ T- U3 tlet j 3; B/ ~/ J/ W1 P" n1 J6 q
let k 4
) ?* }! y$ u: h) a, s4 Uwhile[j < trade-record-one-len]$ B6 G- Z. J& o$ R a2 g
[9 l0 y& |7 y* l3 c
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
9 X+ n' U# B( h. |4 \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)) L. X# l( D* s" w1 _8 I
set j
: R* ]+ N6 M6 T3 t! k" X5 @( j + 1)0 n) k& G$ ?7 p) r0 x! `% T
]* U" X E- ?" V9 D, W1 J5 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 ))8 n" q# F* R) @1 ] h
7 g1 k$ U) ^( d. h. l' j* X* E
6 t7 z: X9 Q$ B6 O" b
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))! i4 H3 [- F9 ?( U4 z
;;及时更新i对l的评价质量的评价* R' Q( a8 ?& }: z4 Y( r
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
, ?/ ?; x" H( W7 xset l (l + 1)) m ~+ I( G2 z' V) Z* `0 }6 z
]
; \8 y0 P# E1 x0 R5 U; ^8 Pend
; E" }0 o8 _9 m$ @% y" B2 @. {3 ~2 ^3 t+ K
to update-credibility-list
2 g9 v+ l6 g+ o$ a4 B$ x% z+ Olet i 0
P- l- n7 x: J% lwhile[i < people]0 M1 M( F5 f9 x! X7 d
[. r; l \. q; Z! n0 Z3 J
let j 01 i* L$ x, Z' z+ G0 T/ H: ~
let note 0
/ q: r. @- P" ]6 ?let k 0
+ J$ W3 W6 P8 k;;计作出过评价的邻居节点的数目
3 I( b$ Q0 O7 mwhile[j < people]
8 x+ o( P3 ~+ g% S9 j: W6 r[
6 ^* C0 Y# A3 y* m$ Wif (item j( [credibility] of turtle (i + 1)) != -1); h6 r8 q" ]3 e3 e
;;判断是否给本turtle的评价质量做出过评价的节点
% i1 t3 |# m& ^7 z, z. R7 \4 v[set note (note + item j ([credibility]of turtle (i + 1))): `4 n' @ k4 O/ c1 A% C
;;*(exp (-(people - 2)))/(people - 2))]
! B9 D* W+ B; K/ C( xset k (k + 1)
) D, a, \7 E# ?: m/ {]3 T! p: f+ o7 Q
set j (j + 1), R7 s( y1 p# j4 }1 o% [
]
6 S! e% }' }+ n6 iset note (note *(exp (- (1 / k)))/ k)$ n! [+ l2 V; z$ X0 q
set credibility-list (replace-item i credibility-list note)* ^' r% I' G3 |# g
set i (i + 1)
' f, ~: ^: S5 w6 c7 E]# h v. O" A: Q4 h9 d7 t
end$ H7 @% [; ]1 X7 o
' d. y" A; _, E! o' L* A
to update-global-reputation-list7 a+ d5 r7 y* \! y9 l; L
let j 0+ n% w6 h( m1 h2 c; }
while[j < people]
+ c/ v* e. l9 i7 z3 I[
+ n- ~) }8 Z0 ]% Wlet new 00 }; m L3 j, S) `
;;暂存新的一个全局声誉
! f8 L% o0 m. L& ^8 Z8 K4 P3 ?let i 0/ q# K0 P b+ u& f9 o1 n0 C
let sum-money 0
8 H9 e* Y) M# C3 D0 k8 b1 t! |! {( Hlet credibility-money 0
$ c3 e+ E3 y- y: S7 ?$ Gwhile [i < people]. `3 @5 N0 S% W3 E
[
8 x' o+ g: A* W. @: Rset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))), K! ^# g2 M+ s/ `7 c3 r
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)), ]1 D5 M- v; i/ L# l1 O6 t
set i (i + 1)
( H3 a4 m/ l5 l& n]8 b; Z/ u! d1 A6 C2 z& W. v) ^3 m R
let k 0! Y1 m% z3 f( C" j& @, ?
let new1 0
" q2 Q, b' N- Wwhile [k < people]
+ a. P1 F) H+ c m% b[1 r: z- s; J! s" r5 ]2 s ]
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)
4 F5 [3 G" K# m! kset k (k + 1). o* a& L3 e" d
]: h. a w: v) k) Y
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
. l7 t+ R' Z- j) U7 |set global-reputation-list (replace-item j global-reputation-list new)' D# `, m' ~' I, H- y0 I0 D4 `
set j (j + 1)5 @( s, O5 m: X* g! }- S& d
]1 I3 a8 c8 Y- B; y8 v: z- V
end* V0 _: G6 X0 `, j+ b) }
, S9 e. d4 ]: G# I& M1 f0 U/ D$ @$ f+ G- C
# o7 ^; \; a% c( r' q1 o4 zto get-color) E% T- y, a- _8 v0 T
, ^5 G/ q+ Z2 x1 i: _set color blue) J; i5 J. K% g2 T
end7 i- g6 c( J7 M* \
# D, f0 q- A4 g
to poll-class
2 }- M) L9 w' c0 s' u) p" send% Q1 y+ C _* a+ ^2 g
( u8 I9 V8 C( K1 g' Z; I! Ato setup-plot17 x( E7 Z. T; ?6 H2 O4 m+ j- J
: y7 o s/ G9 ]0 M/ D6 I/ Z
set-current-plot "Trends-of-Local-reputation"9 V/ }% e R; N$ t5 F
7 O: ^3 R. m' G" W' d7 n/ {
set-plot-x-range 0 xmax8 I8 N; s3 I& W3 P
* p( Z: S( V/ H. n9 N# k( ?6 h, C( Eset-plot-y-range 0.0 ymax
* P+ r4 l" H5 K5 W7 h: ]. |end
" U7 x$ |9 x+ k3 C8 |- } E9 s* d* [( J. o, e' e0 X$ S
to setup-plot2" c" e8 k, B f6 x2 i. c$ ~
& i/ s, E1 U3 m8 F: d- ]
set-current-plot "Trends-of-global-reputation"
! [: r. Q9 r+ \5 Q5 V3 i% X' }/ h5 c k/ {( f
set-plot-x-range 0 xmax9 g8 ^- K/ G* O7 p( {
8 j5 i& i( x0 `6 K
set-plot-y-range 0.0 ymax
7 P# x" M3 L+ \# X6 zend
; r" O. v4 ^( N/ `1 M
1 Z0 T6 N3 Q' Oto setup-plot3+ t! T: H6 J) z5 ^# S
( f: J3 ]3 g+ B7 W2 q& {7 H
set-current-plot "Trends-of-credibility"
S: e, i3 w- c8 Y: g3 P4 ?! {- F+ N! P/ v' z Q$ w7 D
set-plot-x-range 0 xmax9 @4 m( n1 c/ B9 T9 R
2 ]4 G9 l" D0 e' I$ k2 a$ I6 f/ Y
set-plot-y-range 0.0 ymax
7 i% x+ ` |; f+ \end' t, `& z# D4 r2 N3 m
1 _0 V$ N @/ |- h! }1 u3 @to do-plots9 O I6 t: s/ G- }; p# |7 [$ _! K
set-current-plot "Trends-of-Local-reputation"$ t; K/ v0 |6 i9 @( s8 r
set-current-plot-pen "Honest service"
: k( s; Q! S4 Y. J9 v" v# c1 d+ F+ Zend7 p, y- T9 C1 s' b" @
9 O" m3 k& ~, N[ 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
|