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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
8 }: m* o: R! F. V7 Nglobals[
; ~1 o4 Y. ], @7 ?: Zxmax
2 h X5 d; P* }( a* h$ Kymax
M: z9 G, t( D# \, Pglobal-reputation-list
8 D% g# y; V7 C) N$ V; I6 q3 H) L p& ^( q- }2 g1 [7 H
;;每一个turtle的全局声誉都存在此LIST中
) Q. a9 H$ q& ?1 A- @3 Bcredibility-list" K/ ~& A0 @3 y* ^' Q- i4 B' Z. }. k
;;每一个turtle的评价可信度2 R. B7 ]6 A+ ]2 j
honest-service9 m1 I$ N. C1 c" q
unhonest-service
. i( `7 m# O/ H8 ^2 Zoscillation9 N# \" r- K4 y4 Q" y! x0 T
rand-dynamic: n4 U! D$ }$ |& r
]3 {+ _2 L6 D4 t3 Y3 f
, A: j5 z( h P9 ~" Kturtles-own[
& V$ l7 M, d( xtrade-record-all
8 s2 z9 D) i, i;;a list of lists,由trade-record-one组成
6 \4 [1 \9 T5 ^2 ^trade-record-one
6 `' k e8 U9 B;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
8 R5 W* H, D3 W1 N% e% K
! x: y8 g4 }7 x. ]* t; {;;[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]]
9 m7 ~3 k2 o) w3 q$ X1 R9 l5 F6 H$ mtrade-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]
/ Y. Q" z$ \% \8 I4 y/ |: Scredibility-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
* }( z) b9 w9 a! l5 \neighbor-total
9 z4 s9 Q% W Q; ~+ c;;记录该turtle的邻居节点的数目6 _1 Q+ x' |: N: G# h
trade-time
7 X! D8 N% C0 j/ B;;当前发生交易的turtle的交易时间
' q# }3 S) j; p7 n3 S8 F& ~appraise-give
3 a9 O8 l% p0 N0 k0 T/ c2 E;;当前发生交易时给出的评价! x' v1 R1 z" R% V5 p5 H' r- j- w9 y
appraise-receive
6 ]! L* H* u0 S# G;;当前发生交易时收到的评价
+ l$ q$ P6 C) Eappraise-time: @" }% f9 i3 {4 L5 L* f) ^
;;当前发生交易时的评价时间
2 t8 m. {, K/ hlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉/ {$ K; t1 F% n/ _, `: D
trade-times-total. V2 X4 @; N0 p8 \7 e# B
;;与当前turtle的交易总次数
. [# \( P- `/ |- K% @2 H5 ~: Rtrade-money-total; }+ U% {$ b' s
;;与当前turtle的交易总金额
0 O1 K9 c/ O6 w) p3 S+ dlocal-reputation
, m& I8 j% R6 `# C- H, Y0 Hglobal-reputation$ T5 V/ t, d% v: N
credibility
" ?( E- }6 Z- {, C0 j6 x;;评价可信度,每次交易后都需要更新
' k5 n# G8 E5 tcredibility-all/ D; [- o u& o9 x0 L3 p# b: S* B
;;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3 U/ q! c: U: L. P O5 Q, K5 i
+ h' P$ G( D! g) ? Z, x
;;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
* ?- a' F+ X F2 bcredibility-one
3 q$ {; D. v! m;;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
1 d+ F0 m& p7 x; z( m$ W" U5 H5 zglobal-proportion
6 D+ Z( m/ _# g) j2 G5 B# Kcustomer: u4 R. u2 X2 t. {+ q# `1 T9 s
customer-no/ P; L5 K. }& |9 b# P0 y0 C
trust-ok2 A/ u: H/ t6 I4 h! p0 o: J! O- P! m
trade-record-one-len;;trade-record-one的长度
+ o& _" U4 ?" t! y! @3 q8 R) M3 g6 m]2 A3 H) Y* ~+ B% P) p) }
' x" }4 `1 B5 {7 |
;;setup procedure1 x0 I6 E/ ]! j+ p9 _
; G4 Y. T/ u6 G7 K }
to setup
% r" Z7 p- O0 S. a& {/ C& l* n$ w
$ g7 Z7 ~' L; t/ `2 O0 o/ h: Ica# e+ C3 ~! Z0 f) y+ z
, E8 d0 z0 X) e& F" iinitialize-settings
+ \1 n4 c# O. L! N) A+ I8 g
1 I7 y1 ^/ d$ ~! Q7 G1 q1 D' dcrt people [setup-turtles]
2 [# v2 r; E8 A/ k+ ~: I7 a9 Q/ z0 U# F4 q2 S
reset-timer T% ~0 ~+ D- W9 q; x
( D, _9 x' E+ n3 Dpoll-class1 i( G. Y& V1 X7 B* u
+ {- N; e4 [8 Z
setup-plots
! O) U: t6 L+ t* g9 x7 {% ^
) L) O5 Y2 R8 }1 t8 Udo-plots
8 R4 w, G3 K( S" e/ pend
" _- t8 |# u, M7 t4 H6 \1 ]7 g' b, U% Y
to initialize-settings$ s5 r* v! V* H2 Y+ L8 K
( j! U) B/ P; W! [8 d8 n9 ]0 yset global-reputation-list [] s! k* r8 [6 ?1 ?7 _0 h
& i2 m; u! d0 P' w7 \0 eset credibility-list n-values people [0.5]
# s& a3 w; ]7 N' ?: Q3 @
. F7 j$ y! B. D* B) @set honest-service 0
: D* V- l* E6 z. `$ z9 b! @& q
6 D6 y* d$ p* Y" S/ y; H. a! kset unhonest-service 0
3 H5 l' _, f2 ]" S! |8 u7 d8 u/ q3 x. R$ e5 e f* m- q
set oscillation 0
! i! M$ R! g( T: Z, _, E5 ?4 T
8 z% b- y, [3 R% n) j2 G8 H) lset rand-dynamic 0
# ^* q' \: G# L8 N" zend
6 h7 N( m6 S; C5 X5 p# P" G6 i' u
8 e$ z1 ^! p& T2 `+ N/ Z) Uto setup-turtles
; ^, w- U0 `0 _5 L& W- d Dset shape "person"
0 o7 @5 M$ x2 qsetxy random-xcor random-ycor
' O, F. W; `1 S0 e+ ^set trade-record-one []; L% D) k2 R6 g
0 Z7 R" l$ C3 U# |set trade-record-all n-values people [(list (? + 1) 0 0)]
8 R i/ J/ M6 l J7 A0 y% ^7 u
3 z8 b) o2 m4 m) {% T3 mset trade-record-current []
7 u" p0 U) d7 c" u0 m1 S) hset credibility-receive []
- |/ k' n" ]+ h( c' Rset local-reputation 0.5! E, s% |; X7 {, }3 h5 P f8 Z
set neighbor-total 0
4 d" Q7 e4 k8 ^+ a7 k9 I3 n& }set trade-times-total 0+ G6 |) i, ^/ a! e$ e& k
set trade-money-total 0
# b3 [1 V, j$ Z+ }# l2 g- Uset customer nobody) D( S S h. j# R
set credibility-all n-values people [creat-credibility]
7 X* h) X. D' q9 uset credibility n-values people [-1]- X- b+ B3 Y* ]5 L& d3 Z) f
get-color+ Q' `% [4 [1 x$ W* V5 [
% M1 i& J: f+ [% `
end) a9 c8 Y$ S' s- _( e
( p' F m/ i8 U
to-report creat-credibility; y7 ^4 ~) L+ c$ _
report n-values people [0.5]
# c6 @$ \/ O/ ?- send, [% q/ B5 @+ N( A
' i. J' D: L- k2 Z" dto setup-plots g! e1 X% e3 S, z6 J' y
. n9 ~4 r q. i; ~4 k$ t* t0 b1 P+ t
set xmax 300 E n/ K4 O1 y1 T
, N! S+ T- r* h# B+ u7 ]
set ymax 1.0
2 F; \) b% R: Y& o% t, s
8 ^1 s6 `6 T( q5 m1 e" R1 Jclear-all-plots
+ o: R$ Q; P. U7 b7 i/ d2 M& F m9 i z. L/ |
setup-plot1. y; B( y) h G
; @$ Q/ }+ ?' u& j( b0 {setup-plot25 I4 }1 j6 O, E/ X
' t" Y. V9 q1 ~3 r8 Q
setup-plot35 e$ ?: C) N+ W7 |, _' J
end8 G4 v. H7 x& s! H6 l
) @9 S) I3 X( f/ Y6 D, k;;run time procedures
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to go$ L% h0 X! r' K. f# S7 n
7 O3 J& M5 W4 g4 u7 s0 bask turtles [do-business]
" X$ i+ V0 G' a1 ?1 K$ d Jend
, N3 `% L$ M( U! @ _. W5 y- w g8 } e/ n& H! S" z. p6 y: V
to do-business $ e+ T# Y+ G3 P5 A8 w T
. t p7 B. |$ V7 u) U
4 z. ~; U4 E/ [. F% t% ~& j9 J @rt random 3608 I0 q8 H6 R8 \$ f" z$ L, _2 w
0 @7 A4 M5 v: q6 y/ l. g0 [7 y
fd 1
7 t' i+ Y3 A" r; G4 [6 _& S5 f- P! F6 e! E/ B
ifelse(other turtles-here != nobody)[. D& d# c+ w3 s* z0 a
+ i( s" `% L b" Q* m6 B
set customer one-of other turtles-here
2 p. ^' B5 J# | E, X( h( d) a3 M- m
;; set [customer] of customer myself4 M+ c0 Y. ~: Y6 x! L4 I
) v: _+ Z( e) X0 E- W8 G
set [trade-record-one] of self item (([who] of customer) - 1); c, K% h V' d! O0 c
[trade-record-all]of self
6 ]. v; K8 b. q; p/ [2 b;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self+ N5 M/ C+ K0 F( @
( Y2 G1 a8 ^6 S3 w/ o6 V( R+ ?: ?set [trade-record-one] of customer item (([who] of self) - 1); G W# ^6 U; i3 h# d
[trade-record-all]of customer
7 S0 m, o8 y8 ^1 \& x/ F* M+ D4 Y: ?* b7 L# C: T2 E
set [trade-record-one-len] of self length [trade-record-one] of self. L1 r9 T9 e) N7 {/ t
0 [7 X# l2 Y* U. o! sset trade-record-current( list (timer) (random money-upper-limit))
0 j! S" k3 {+ y- W6 s5 z% x f9 z% W
ask self [do-trust]: x3 x3 m5 n8 V8 ]' ?* E
;;先求i对j的信任度
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if ([trust-ok] of self)
/ G" d3 a$ R# [6 q8 v7 x;;根据i对j的信任度来决定是否与j进行交易[
# v4 N7 d9 Q0 J7 V5 x" r1 dask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself8 e" q+ j2 X" l% s/ ^
( q! E/ q, ~2 n* x2 a: D
[
9 y0 i& p4 P: x7 d3 E. r/ ~& g3 m: O" E3 e
do-trade
3 Y, c3 G; Z, u) d
& [/ @2 H# w6 Z+ u2 {; s% Zupdate-credibility-ijl
4 b! }8 V2 U i* T( G
/ H, @' P2 ^2 Q6 N0 j9 ?8 L6 ?update-credibility-list' Y5 d8 O, ?& b
, l6 ?- a# P2 K: E* Q. V
$ N# ~) ^+ _, X' \3 A; ?5 Jupdate-global-reputation-list* D) C. `$ d; f% Q! y& @& B8 N& j
( F. q; F$ M, ypoll-class. t& X0 ^! l6 H9 P
8 E% J0 c$ e/ @! ?. hget-color, p: |1 [8 _& h B) J7 X& R% ^4 I* G
/ ]4 w( A. |7 l* D]]& X' z6 L. y: F! O: P
" } F) U3 X2 D3 o2 b: t3 z# l1 C
;;如果所得的信任度满足条件,则进行交易
/ Y H& K! `0 |( c; f1 V' P5 |7 E \9 x, p/ A' v% H1 V
[' |' m. h8 S' i$ S2 I0 Q9 h9 O+ s
+ }, T4 ?1 a( d9 b" w% ~
rt random 360
$ `) m/ Q* B, Q3 y( d: n( `
- s3 q' p% b- E. K) Sfd 1, H2 n* f/ s' j8 d! t8 _2 ~% Y6 f
2 }+ b# Q( @' O+ J, i
]8 t# s- y2 B2 h! z2 H
" O" ^9 U! K8 R6 ?9 aend
9 m; J4 V6 L* L, P0 ]* t; x: E$ D- ~9 J! d5 d* R L
to do-trust 9 X8 Z( b9 y5 ` A8 L0 E
set trust-ok False, h8 G0 N* b3 O3 C+ I
7 @6 e+ k( ~2 C+ |, W/ d( b6 F |1 g8 \; J& w& D- w: m- P S2 ?" F
let max-trade-times 0
# S4 M5 _- M1 a) G* C3 hforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
8 L. m3 I7 l' b: a8 {9 Q1 Blet max-trade-money 01 l; X1 L( H u
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]0 J. f% x' K$ e( d5 s5 U, Z* s
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))1 z' B6 w1 P" _3 H% [
2 Z+ w7 {9 _9 A( b' @- c- l: j1 f- n- j- D5 A* h% l
get-global-proportion }' H& O( L% v/ @2 C
let trust-value
( J/ `8 L2 ?& z) b% U7 ?( U& I; ilocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)' ^; `& {" b7 @; o9 r* s
if(trust-value > trade-trust-value)
6 E! Q) r1 N0 V4 M! N[set trust-ok true]9 r2 t7 G- a6 q9 M) K6 T
end
+ g! y) v) H' b0 D
% [7 K0 ~0 w C6 E8 h0 w# Jto get-global-proportion
: ]/ h1 d! y& k, _& _/ u* hifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
& V# S) _% K1 Q! {$ C' \[set global-proportion 0]/ v& Y1 E6 M, w) d/ z9 U1 ^
[let i 0
" r$ S$ v4 C5 ?* C! o; Xlet sum-money 0
4 Y0 V0 y, E% |; s( ^1 ?while[ i < people]0 ]" t9 ~1 W' Y, G: j' J
[
- Z0 g" @+ x, o4 bif( length (item i. |; @3 L9 B% J
[trade-record-all] of customer) > 3 )
: n+ q& U8 C) [7 X' ?# j$ F[
$ P1 u( u) L$ x" R- @set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
( q: F/ }5 x9 q0 X3 m/ x; d]
" F/ z+ P, X! \3 y, S]1 L+ X# i/ [+ v4 u& S7 j2 z1 T
let j 06 _8 I3 e$ I* ~+ b8 c2 G
let note 0
' \3 K9 P) R4 M8 a3 h# nwhile[ j < people] T! }; B! F% m1 x5 X7 N% B. h
[
8 @$ k7 ^- r2 Aif( length (item i1 u; l2 j8 `+ I5 i7 n) ~
[trade-record-all] of customer) > 3 )% n- m! y: w4 ]2 x
[1 S. V" N5 }( V
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)- | c0 {( a( j3 y& z' B" r- D
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]/ p8 x) M- ~5 R1 i$ A- p0 R
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
1 V- y8 E) g: \! ]. q]
8 p: V# l1 z: L]
6 a8 }) y$ @" z- Q9 ^set global-proportion note
! g7 J; }8 L; X, {* C c; I]
! p1 \0 r2 q7 mend
/ y- y6 T$ D2 N% C& l" p1 q9 r1 f
to do-trade3 w, {: m. W; }
;;这个过程实际上是给双方作出评价的过程
: `) h6 L. m6 u# O4 R1 Z( Iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
/ z/ Z* m+ u/ o. Eset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价# z1 U9 c8 [, y2 k
set trade-record-current lput(timer) trade-record-current
1 ^7 C- B$ A' M! k6 Y;;评价时间
$ l! \# D% X3 z; L/ ]ask myself [3 r7 t# M0 v$ k6 J, {* R& \
update-local-reputation6 [+ z5 d$ B' Z) u2 O
set trade-record-current lput([local-reputation] of myself) trade-record-current
- {2 ]' f8 a: q/ r5 U2 r]- }$ m% u* m/ f, ?) X! H% O
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
( E6 ^0 k# n* `' ~5 u/ X, x;;将此次交易的记录加入到trade-record-one中
+ ^9 s; B& t+ E6 h5 \" {set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
' f& J, l- Q6 R2 mlet note (item 2 trade-record-current )
- m" d$ H- f0 W! }% zset trade-record-current
U T5 u) u+ @: U(replace-item 2 trade-record-current (item 3 trade-record-current))
7 D- @% m1 { S3 T" Zset trade-record-current
2 P9 K: h+ a2 N& G) u(replace-item 3 trade-record-current note)
$ {% y' I7 L' Y! t8 v0 ~" R- o. l& |
1 D3 t7 L: E' h/ I- L/ g: J$ ]2 a' \: V+ e
ask customer [# s4 U2 `- F# j$ P
update-local-reputation
4 R3 ~ `/ E& v* g Nset trade-record-current- [1 ^. B1 o1 e- j4 d
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 1 G7 i9 ?3 ]' N3 }- p/ Y
]2 Y8 ?" a# c4 w* b
% {5 K: c5 U, a2 I4 ~" X0 m# x3 C) l7 r$ h
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer5 V3 m/ M0 L$ P9 O. X7 g
0 G; G$ V& f0 Q9 _
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))8 v8 b1 c$ D: u% T
;;将此次交易的记录加入到customer的trade-record-all中9 T0 q3 C$ h) a3 [; J0 v1 {$ t
end! c: h. J& z/ c8 k. F
' K/ J) G$ Z, y5 ~to update-local-reputation7 {% s' P6 z4 d( ^& e% R' S
set [trade-record-one-len] of myself length [trade-record-one] of myself
f0 H; ?, a, }* C; Z" `, o$ X( X$ R& E4 p& T% m6 h) R0 i
/ Z9 w- s: I- r: g5 Z;;if [trade-record-one-len] of myself > 3
" b/ e, m' C1 ^+ H* K& M: U2 ~update-neighbor-total
$ _8 m/ L! y5 ~" M4 X' D" ];;更新邻居节点的数目,在此进行# s* \) j2 u( E5 Y/ X0 |. Q( {
let i 3
. j6 p& l( F0 f. x! d* Ylet sum-time 03 v# d/ ^+ M" L
while[i < [trade-record-one-len] of myself]
* p" T: @- o& j[1 U$ j+ p: l6 G" R. J1 k' q
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )% B2 S1 d7 S# S5 W0 f N+ [
set i
/ \" z7 \" n3 B( S" Z# h3 Q3 j( i + 1)1 w6 {8 `1 L, H: ^3 _: y7 |
]
( b5 N" K( [. M0 Q% X tlet j 3$ y, o3 j9 G( H' s2 ^+ u2 B, a
let sum-money 0$ u) Q" _) K" M9 H: @( d- E
while[j < [trade-record-one-len] of myself]6 I m6 _+ k7 x5 q( Y! l
[
4 o8 j, A; ]2 E* P. @ Y" N+ a, T4 Yset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time); ]8 F$ e3 Y( r& W
set j8 \- n. v, `7 f; p. k5 k7 n, d
( j + 1)$ Q$ c+ s& P$ a+ `) W# o2 v
]1 V! l7 r3 e3 D8 O- D+ d4 k( e
let k 3& ~ u8 `3 W$ R* Y4 @8 u( I
let power 0% E, T) f3 @7 p3 u; u
let local 0: R5 a4 d! x1 B* D, B5 w
while [k <[trade-record-one-len] of myself]
4 i! c5 S7 g8 }% a[
" j* D N9 J4 i5 x: x9 bset 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( a0 B2 O1 ~( ^5 J
set k (k + 1)
4 V) ?3 a r- E3 j" k5 V]* w+ L! U1 R, G! b0 b. H( ~5 n1 ?
set [local-reputation] of myself (local)
% o% V& Y. l( W: d5 l# eend; n# W2 p9 k; s
# h9 D7 O$ S: e* K0 t) Z. d- wto update-neighbor-total6 X6 Q* \; o6 c. K7 _
0 r) K. u6 X: wif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]& r& c/ K& R$ T2 T0 r! ~6 |
, S8 K, m3 g5 v# f# Y* m U: ~5 p9 k* t; ~
end
! D# c8 m4 e& ` S7 T# f6 |4 J
# G! @: H: n7 v. t. |6 q. Nto update-credibility-ijl + G L; X0 Q/ g6 y
, m, c: Q$ ]" e7 {$ d! D
;;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。; T* i, F/ c8 Z+ t& ?* J
let l 0/ g+ u/ [7 @8 p
while[ l < people ]% f# v2 n* G1 O8 W! n. D [/ Q
;;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- j$ l: _, `) M! d1 j8 t
[
( [. Q" b' m# E0 q7 _7 ]let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
1 O; }* p, H% ^7 J8 oif (trade-record-one-j-l-len > 3)
: p/ Y) E: A; D( e' u6 `[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
% @! f. S0 t1 j* R; ilet i 3
2 t. k2 _& ^5 `8 u0 M* U6 vlet sum-time 02 Q" H, m7 g. k& z, b7 h
while[i < trade-record-one-len]
+ \$ v u# O8 b[
! N9 m) V6 w+ q- y0 R: _ U- pset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
% r* }. K: i4 V) x) l! p; j$ lset i2 V4 C: p: x. L- o' b
( i + 1)- S6 l/ m) e1 ~$ O
]
# T; L3 q5 [6 ~( W; tlet credibility-i-j-l 06 c' y; t# E a1 n$ ?8 L! y8 L
;;i评价(j对jl的评价)
6 `0 u& w: Y& |, x8 O% glet j 3
; N/ t) _+ `& d1 @% w" Tlet k 4
- |3 J* H( T2 J: C* F5 d& ?while[j < trade-record-one-len]7 [, Y" X! ~- K' {' L" T
[, t% L& ^* E9 k5 D
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
: m& l4 n- G% o& _9 jset 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)/ t% _+ x9 Z9 p# {1 f& [! [
set j6 K- Q4 W& F$ K8 e# W7 F
( j + 1)2 L/ C. [; v. W* Q4 o2 k
]
( W9 S. q2 J# L% Y2 w9 a5 o& n! Gset [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 ))2 S2 C. V/ R9 J O& d+ b7 q( t$ P
% V) ]$ t0 G; ` Y; L) d: U
8 }0 H R' x7 S8 P; S% jlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))- l5 Z. [9 c( |$ H
;;及时更新i对l的评价质量的评价6 X+ U% b O2 C& F" k [
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
+ r# s/ ~" l) I; dset l (l + 1)
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end: O+ F' K$ D$ Z0 c" C
& x. _/ ^$ s# N1 w' ^; u
to update-credibility-list: f& Y$ j6 g8 ?! g0 A) P
let i 0: @5 a( s9 [) g8 ~
while[i < people]
! w5 ?: [" E2 Z! x# N X8 V) {8 x[
4 `. A$ v, P) R! Z) y3 |let j 09 U# M) C& J/ z! I
let note 0
) l& s, N3 ^7 blet k 00 R v6 N O* E7 \- A
;;计作出过评价的邻居节点的数目6 U1 B. K8 r/ l& J! n0 n( u
while[j < people]$ p. C- m! b( Z- R
[
3 C; a7 s1 C( G$ A# Tif (item j( [credibility] of turtle (i + 1)) != -1)
; ]+ |; a; x- h;;判断是否给本turtle的评价质量做出过评价的节点
3 ~* W& w6 S" ?4 a! u7 j z[set note (note + item j ([credibility]of turtle (i + 1)))4 Q {8 y# Q4 j1 o2 Z. W' _
;;*(exp (-(people - 2)))/(people - 2))]
! w& o4 C5 `5 r6 k. C- yset k (k + 1)& K& N- A r4 O6 \- X0 ~
]% P+ a0 |4 ?5 v5 _; F9 p0 c
set j (j + 1)2 Q" R8 K' r4 _9 M4 d2 K6 Z
]
7 z5 A+ O# R3 j$ p. p4 ?2 Dset note (note *(exp (- (1 / k)))/ k)
/ v: q5 I6 Y. x+ {, m* Kset credibility-list (replace-item i credibility-list note), E) Z8 c8 f/ m9 E3 f7 K9 S
set i (i + 1)
" F' p$ Y w7 N4 m) W]4 K Z, z0 i [
end0 I6 L% x0 ]5 p! A& W
$ U1 D+ j1 v) `# G& w0 N
to update-global-reputation-list6 ^! Y" {& k& j! m8 r) o
let j 0
8 p0 \! N$ S! ]5 Jwhile[j < people]
9 D# z* T" _8 R. m. o7 i[
5 n% v/ r# O0 j& d, K& blet new 0% w4 Z) r( U3 w3 Z3 u$ ^
;;暂存新的一个全局声誉
`* w1 N) q2 Llet i 0
# R, M4 J+ H2 G" F7 elet sum-money 00 [" S9 }2 @ c
let credibility-money 0
6 T: B1 M. O9 ^/ }while [i < people]
7 v; Z G, r p% j; ][4 @5 N" ~, U! B2 e7 t' M1 i) D! S( i
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))): \1 |4 p7 C8 j+ X# w; f" ^
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 p8 C4 H9 Q9 F& Uset i (i + 1)' D; r' _0 F2 X3 E* b- s* {
]. P2 Q: ?, R' C2 U K
let k 07 U; h! w" \. l* d# J
let new1 0$ j+ h: L5 z9 k. k" k* f7 ?
while [k < people]
5 t: k9 U7 n1 R[
* _) r& @/ _! d# r1 qset 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)3 k! ^1 E' ?3 ]" F0 w$ U, G
set k (k + 1); E! o2 u; e: H; T
]4 Z/ J; N- G6 T* A( M% S
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ) \( E' K$ [% v2 M: B/ n) j
set global-reputation-list (replace-item j global-reputation-list new)) d, p2 t/ _; S% _4 y* ?
set j (j + 1)
/ y1 R: h m" w% `( a' q! t7 S]) P) M7 e/ t- |7 ]! H
end7 K$ m. t$ n+ f- q: [
' [! K% d. {9 g: q: J$ N2 w- {6 X& ^- s: X M+ K# t% ? i, ?: r9 S
p- e. x2 _8 Y* \1 jto get-color
% K6 i5 X5 q, ?; b8 m
$ m% K2 a9 u, mset color blue7 `6 m1 N% |$ F8 s' Y* p! k
end
; ^8 J0 X# Y* Z0 i) ^7 D+ r% q7 @& { n; K
to poll-class/ S+ J& _8 E2 E( `- s- h
end
1 L f4 L3 D8 ]4 S
9 P. c9 G2 S0 qto setup-plot1
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set-current-plot "Trends-of-Local-reputation" y- P. O! H0 F9 K
1 f* B$ a5 E/ Q4 Cset-plot-x-range 0 xmax: Y' L( i8 j, A- d9 m
, r$ T/ x# n# \0 ]/ k
set-plot-y-range 0.0 ymax9 G! Y% ^8 ?6 C
end
' ?2 m8 t! {3 h2 x7 I" j& v9 t) @8 `' R! U
to setup-plot2) J3 s4 X# f! ?3 c; X. c
m9 x' w. ^. n# n1 z; C: ~set-current-plot "Trends-of-global-reputation"7 f4 j, i2 @0 v7 c
% N3 B1 z) K, |8 m
set-plot-x-range 0 xmax% x% i% x/ O' N- x+ E* ] @8 h
2 W9 @) p& u; I' ]" G4 {7 P# q
set-plot-y-range 0.0 ymax
% u, v6 N) Y! A5 K2 O: Cend
( Y0 S% u0 c/ h
" w/ I/ ?! O0 { _* Q3 Eto setup-plot3! g q. F6 E2 i- q4 m% O! D+ h. Y
" k# E4 q+ J+ q1 wset-current-plot "Trends-of-credibility"
3 w! c( d, O% B) `# y; j" W j( C
5 q `3 x2 F- }. A1 Q# Yset-plot-x-range 0 xmax
9 k7 V' _# c9 h7 Q7 I4 N& a) c+ O6 g! y8 t4 e
set-plot-y-range 0.0 ymax
- |$ r. [9 Y+ R3 ^end, v" v$ U; P1 v) J
5 n2 f* p# M& U; {% Sto do-plots$ z6 W& e! M' ]% C T: \& M
set-current-plot "Trends-of-Local-reputation"- ^) v$ ?4 x% R5 d+ K' x, `$ h; p
set-current-plot-pen "Honest service"
3 t) l, M" D( l0 eend
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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