|
|

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
4 u% d& g& m: a; a5 C- L2 ^5 U% Zglobals[
' ?# z- i7 @- B X d& l+ `xmax
* f8 S( I/ F: ]7 J+ Oymax
; _7 O. t. d7 t L1 Cglobal-reputation-list2 K; P0 K6 z5 c* H
4 c+ E$ ]% H( L* z; z
;;每一个turtle的全局声誉都存在此LIST中
# H( T* k, L, G" [7 N7 rcredibility-list+ _4 g/ a7 B+ b+ o# V# D6 h+ E4 Z
;;每一个turtle的评价可信度
( s! O; Z* G3 }. o: b' jhonest-service+ B8 b% ~: _' D; p* [
unhonest-service! w+ D4 Y7 k6 I3 A: M+ R8 D6 ~7 p
oscillation
+ p8 y N. @9 } K zrand-dynamic
* d) y7 m K8 l, @' P]
/ v! Y+ S4 G+ P: { p, P
4 N6 V1 i/ j+ M+ \+ Jturtles-own[
% E8 g' W& W- \, E, T- Mtrade-record-all
% d [2 }) A. W* J( G! j;;a list of lists,由trade-record-one组成
' H3 H. g1 D6 J- w6 J( Y4 O0 s# w6 etrade-record-one
8 P+ a& e5 x% O* A9 u' \;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录* R- A/ C: _+ L2 |/ I
. O: v! k/ q" @" x) J0 E
;;[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]]) `( t" s1 L- l5 A8 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]1 q6 q1 O- C' L' P# J- r# z
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list3 t T, U; i C! Z4 J( a
neighbor-total
$ Y. A& _: N1 ?' {) D;;记录该turtle的邻居节点的数目/ {9 K$ G$ D( ^$ [$ {" O2 G! A0 c
trade-time
+ `9 ]0 B# U% U8 \- f4 J;;当前发生交易的turtle的交易时间
. S+ r- n1 _" [5 ^appraise-give
0 [- N) B0 _6 j" g: z: X;;当前发生交易时给出的评价
, L' A2 m/ Y! l0 h kappraise-receive
9 Z N% X5 `+ t7 f; L;;当前发生交易时收到的评价$ n; `0 @. l Y; I) R0 v# U* g+ t
appraise-time
0 b$ r9 x$ t# M, r/ y. B% T: J;;当前发生交易时的评价时间* ^1 a; [8 j. J( h0 f- t7 ^' w
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
% U" G" |4 t' \/ `# ?2 Ytrade-times-total& k6 L: P' Y! X& b8 N& P$ v
;;与当前turtle的交易总次数& i9 x) B3 f; C: m7 P
trade-money-total
, |( j7 q* a0 } q. K, S;;与当前turtle的交易总金额
- c" c# h& j8 ^/ Olocal-reputation
) O8 I2 ]% l3 u/ V- x i! E+ tglobal-reputation$ m5 R1 V! x u9 ^8 K9 P
credibility; E2 J" D& y( G& O/ P$ K
;;评价可信度,每次交易后都需要更新; g* n$ q3 }4 b1 z
credibility-all' [5 F+ N# V& g! Z5 M
;;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
, s7 \2 `, w/ Q; Z9 s" C* |/ N
' ^, X& m- Z5 B- A;;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
+ }7 o7 P6 w6 @7 _: |9 R, H4 V" fcredibility-one7 ^( t9 z8 b- p* o
;;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 m" i* v# F* h( Rglobal-proportion
5 g/ P( t; h* ^! w( q. Z9 Scustomer/ m" t. k7 P* z3 N+ s: }* L8 {
customer-no [+ R( N9 ~6 s# ~1 w. n1 m, c
trust-ok4 T5 F2 A5 _. z7 O# B& ^5 c7 p
trade-record-one-len;;trade-record-one的长度
6 L/ G4 B) m6 j, x/ h" C* l]5 U1 a8 t- m/ D6 j9 O% O
7 m+ i s' P) d. x;;setup procedure7 A0 M1 k9 `+ K ^9 s2 @
: U5 n4 ]- j. {9 R/ H
to setup" P1 r. }$ l$ K4 f
. d4 {; J2 Y8 Yca
0 ?) G) ` V# N
+ S$ K; t; }9 A8 t% r% Winitialize-settings* N- k1 S, ^3 Q3 D
- l6 a( s: Z+ t3 Zcrt people [setup-turtles]
) k- b" J6 O) f, I, j+ R6 E& t' Z
reset-timer9 y; ?8 ~2 T* p$ C% u
. g! u# w* l& U$ L6 n- U7 Y
poll-class
. L. s3 ^% F$ n; }1 w1 j4 G* m9 ~5 I% x( `* F$ a
setup-plots R: L" J; E9 N
. d3 b: K7 j7 w u! m# n! C
do-plots
2 c( L8 _, v; f, |8 ^end8 i" `5 F. ? W& f
- P9 `& {8 s; \3 S% P8 i$ rto initialize-settings
: Y$ Q- X1 |9 j3 w2 b9 ^* _- Z6 K
9 R9 M8 ?) e8 |) uset global-reputation-list []
( v' r, Y9 e( q" a6 o, M/ O4 ^4 X* `% k
set credibility-list n-values people [0.5]
% J% H* x+ }, N. o: L/ M; f# ~/ x! ]7 Z% o+ l
set honest-service 0* T/ P2 n) P3 ^: {$ x, [: \
+ f+ } W$ U7 n' d; d8 Aset unhonest-service 0
1 k+ z7 q& L9 j1 N; m5 {- @* y; T0 L0 i/ ~- Q; H0 p/ G. W
set oscillation 0* J1 I) k: g& G* A) `& _, R8 [
$ U9 P; l4 m6 c _& C b& y) Qset rand-dynamic 0
0 g# X0 [. b- p: _+ Z9 T; lend
6 }% q7 n& {5 b5 c ?
" a% }. F* a6 \6 _; n4 @) o% oto setup-turtles
8 [6 g+ u+ s. fset shape "person"
" S: Z' P5 T1 q0 @% z$ Lsetxy random-xcor random-ycor, E F1 q4 t# G5 v0 t+ _
set trade-record-one []
* H0 @9 Q( \6 A5 c4 [8 @2 m% L
* a" y( m5 G7 K% e1 R; g W" Tset trade-record-all n-values people [(list (? + 1) 0 0)]
2 c C; L8 c( N y2 J8 U
/ _7 L) i( ]+ {( L5 qset trade-record-current []" t m+ l( }! J
set credibility-receive []* N; h+ X9 S: d% u7 D1 G3 n
set local-reputation 0.5
1 s- h) z/ M1 e4 ?5 kset neighbor-total 0: F1 U" n# ]' E3 s* w; Q
set trade-times-total 0" P# `8 o, V. Y, _2 U- H5 G' u/ I
set trade-money-total 0) ?: c; b! U, [5 s) J# I* ^% K2 F
set customer nobody
* ^' I' J. r, ~4 m4 d u6 Kset credibility-all n-values people [creat-credibility]
2 r, S0 N+ S& H% W. fset credibility n-values people [-1] a) ? H$ L' z5 q
get-color) Z; U5 }6 c6 ^: Z
( |. F; V' G5 j- W) w
end& T: O0 b0 w% z2 n2 H% F
' E1 I; Z; N$ x7 ]: ? y
to-report creat-credibility5 i/ J! p$ Q: e
report n-values people [0.5]2 q7 Q- K. e& r5 l1 Y2 |& g& e; s5 P
end
( \6 T' U2 R" y6 |+ Y2 w- U4 F! P/ M) C9 u
to setup-plots
- M8 P2 w/ H& @- s. M+ ]7 w+ K3 Y# a( X% G) \5 x& e
set xmax 30, G* h( ^5 q' O0 X8 l9 e9 J
: i \+ _2 [, Y5 h
set ymax 1.0" O% _0 [6 A7 o# \
$ r; v9 U8 N7 u, q1 `6 c* n2 X* nclear-all-plots3 b; e) c; q1 {' \8 _
7 k1 o, ?7 j! i$ U6 h* j& W" Y, _
setup-plot1
' a8 `/ [9 `& T2 `! }' e
6 ~3 Q; Q- j/ x* Asetup-plot2. `5 n- \2 u4 ?3 c3 k @2 E
- O+ P# U+ Q; P1 b1 B' @, n# e4 ?setup-plot3% d( S$ W" W; h. Q6 ?) D
end
7 N4 c4 S" e0 f/ {
- s1 c; o. l" B' C5 s;;run time procedures3 `6 C- l. x, t, E4 ]) P' e2 b
6 C+ ]* U( K& Y" W5 b/ u2 mto go
4 q. Z3 T7 _# K; o% T9 V, h* d4 G. U) W! p0 C% w2 ~7 L) \0 S& h0 b
ask turtles [do-business]
0 N0 q' A6 Z7 e* \9 qend m) T# V' C3 {" K8 Z% K
$ Y7 n L5 n. l) x
to do-business
( K6 Z0 s7 c I( e0 ~1 L3 o' O& F! B4 i% E& J( i
4 b9 Q3 M9 T$ l5 M' u; G) L9 C
rt random 360
% b8 ^7 J- r% M2 i$ Z6 M2 L6 N
fd 1
6 @1 K/ {8 w C8 C$ R- b" O* E' h1 ^
ifelse(other turtles-here != nobody)[
% m' u3 f9 _8 ?$ c+ l9 i8 c4 L
5 x3 u; s: I! T( S5 m- G$ q' e" Wset customer one-of other turtles-here* f# c* [3 A; \5 f# e* t
* K; j9 U0 E8 C0 {
;; set [customer] of customer myself! s% b+ u, r3 c( `* H
9 |0 A( @% p$ t. x
set [trade-record-one] of self item (([who] of customer) - 1)
( a" G3 w% b# K0 N; o[trade-record-all]of self9 i- h6 W9 l# v
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self( o Z# X: J9 K6 F
4 v/ a( y( b7 d
set [trade-record-one] of customer item (([who] of self) - 1)
' @; s: x: k1 _8 i- `- [[trade-record-all]of customer; y$ z. J' z& _* p' r# y2 o
% s. o7 P5 [0 a- ~3 g/ a; N" m* f
set [trade-record-one-len] of self length [trade-record-one] of self% [2 i8 ^' }) ~$ @
* x% Y5 q% i' Q# n
set trade-record-current( list (timer) (random money-upper-limit))7 c" Z" a6 X6 H7 w% l5 ~2 {+ ]
0 C4 W o- y$ |: _1 z: b1 Mask self [do-trust]
C& z; \+ f5 c- Z+ w5 W% G+ D7 G;;先求i对j的信任度
2 _$ V" p4 X: ~6 ^. g9 V
; z" a. L# C3 i; J5 W0 kif ([trust-ok] of self)
h% B3 G6 n$ D8 a;;根据i对j的信任度来决定是否与j进行交易[+ O: y; P% q. u& U
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
% E0 t" {6 o5 A7 F. D; S& @8 _9 v7 M* p( W9 ]" C& Q ^7 {0 w! [
[
! S# A/ `0 L0 Z) r2 V5 b) Q! } n% i7 ~
+ b* u" e! g( G" Q! A Xdo-trade
! m8 y- Z* ]7 F: s& U: F& G/ U" H& R3 J+ v K8 q
update-credibility-ijl
9 P) b) Y/ r9 H1 \! b, b0 R1 S T( S6 @$ w8 N: l ~
update-credibility-list
9 K% `+ ^( o( z m7 O o |' z% J7 K: E
5 M3 o: k* @8 q+ r) C% x% P. Xupdate-global-reputation-list
8 \: r2 k, b! y8 }) h# w
. D# R8 ^ A) x$ }poll-class
! ?4 y/ U# J7 }4 N1 t- F& Y9 A( e3 p
get-color$ @+ K# s$ X; G8 x
R& \, }3 y" M" ^
]]! @7 W. r r9 G4 \: D8 q! t
% [7 j- b+ o- l& i8 [5 W;;如果所得的信任度满足条件,则进行交易- ]/ a) F3 h3 ?( z5 u, s
& a- J5 V6 _1 ^
[
) ?8 _" y4 `* R+ I; S6 ]+ s2 h# X( _# A; h% W. ^; |
rt random 360
/ @' G1 G. [0 ^ v G* h% U4 f7 T. v# P+ [: k% \* B" T$ p) L
fd 1
3 x$ ?! r( c* A, J: W2 t) f* @$ E- H# G) }5 y. N+ r% `
]8 r2 F% r1 l# V3 S
1 l6 L( a. G( Dend
3 F7 p; h1 l% }! t$ R' e1 Y2 D r1 U% ?* [( L3 G
to do-trust 3 S5 l# ?$ _, t" `
set trust-ok False2 b w7 p( b! m) V" F
( K: B9 X* I" b# ?
% H; ~, i/ r' g( {let max-trade-times 0
% g" D) G9 v4 T7 z5 `/ j+ t- K% yforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]. I: I2 e" g F5 b$ f% ~& q' ]
let max-trade-money 0
! Z- w. E6 ?+ Q, A+ v3 s! Oforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]6 h& ~1 o& _$ x4 c8 s1 |' R4 o
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))5 Y# D) K7 ]9 P# U2 U
2 X. x% D8 r% u9 z3 X
4 x( E! \7 l9 X. L5 v$ V: s
get-global-proportion& g( k/ p& D1 |7 }8 a0 v
let trust-value/ y; p& [6 u' M Q/ m. l5 Z
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)! y7 m e$ h8 j( D+ \0 x B
if(trust-value > trade-trust-value)
2 p6 o, M, Z/ T+ q: t[set trust-ok true]# D7 z& o) r" k$ j7 O6 ^$ `3 g# A+ \% Q
end; _; g9 I8 {/ y: l& m% I
# p% M* N* c( h
to get-global-proportion% j2 [5 ]) _$ |6 a, `
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
' w2 ^' D2 }4 y[set global-proportion 0]5 W* c0 K+ P; H
[let i 0/ X! T! \, v) N
let sum-money 0" K$ l2 F! W; _8 P0 W J/ y
while[ i < people]
@* ?, Q; ~: ^, G0 p. \[
1 ?8 V; X6 D, Y8 x' r6 s& dif( length (item i4 R* N; [' D. s# L6 c1 [ H
[trade-record-all] of customer) > 3 )
6 h5 L1 ~5 v |: q n) E. T* d. {[
, h' [* ^* b; g( U/ Dset sum-money (sum-money + item 2(item i [trade-record-all] of myself))+ a& y5 ^7 a7 y
]
1 L' W5 H6 X: @8 B1 |0 k7 j+ ?]
9 h+ z4 e0 y B b: {1 ^7 dlet j 0
; e q! q; H; ?% Hlet note 0
4 F% l' C7 V: _- E& e$ ewhile[ j < people]
, G" |: P+ S0 `* R[
" G1 T; Y2 A- Fif( length (item i, [7 H' s6 z- L$ ?- Q
[trade-record-all] of customer) > 3 )4 |0 t, e Z( K% A8 s
[1 D* C9 X( l6 A8 Z# p* @. w" z2 E
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)/ p# Z7 G' d" Q3 G
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]! ^" A' f, r7 `' s; `. l# A% J ]
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
- m \+ ?' `2 T# d8 R6 B6 C) m]
, S1 u' [% ~ u9 f( I]
; C" q" I! h$ s1 o7 c% Eset global-proportion note
. }' f7 T! C Y( q, a2 I]0 E2 Q+ q" s9 j/ |+ K ]6 \
end
1 J( v& [0 ?9 P( N- S! F) X7 d# }$ ]! X; V- t% }
to do-trade
7 C6 w l7 u# W& i;;这个过程实际上是给双方作出评价的过程7 c3 e* c9 F6 l
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
. r( J0 `! p& o% ^4 D! D2 jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价* H4 K9 j% F9 Y! Y
set trade-record-current lput(timer) trade-record-current6 i: {& c! R: U5 ]
;;评价时间
! p) i! J, `& F: Eask myself [
; I. N! o* S; ~* s, N* p* hupdate-local-reputation
$ y* `! O5 j0 rset trade-record-current lput([local-reputation] of myself) trade-record-current w M% \3 K: ?; q3 i
]
5 q6 S! o; b1 V9 C2 L8 E: l, Xset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself+ H. \. g: K( x6 E" l& P; [$ u
;;将此次交易的记录加入到trade-record-one中# a' J" r! b2 d5 B/ s5 Q
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself) y- o- V" H) \ w: _
let note (item 2 trade-record-current )) N8 f. Y" ^) H8 u
set trade-record-current4 @# L. k- K! {8 X
(replace-item 2 trade-record-current (item 3 trade-record-current))- W0 Q2 e. O3 r3 s7 j
set trade-record-current
1 w+ D: x* n1 I( F( B/ ?(replace-item 3 trade-record-current note)3 `; U/ T7 V7 v* |! C6 Z
+ B& L" K* p, M
]* C7 b) v) I1 \2 v& Z! ]- Mask customer [
$ x+ [4 Z5 |: |update-local-reputation
3 l* |0 c. [# y( n/ k- Fset trade-record-current' k% W- ^, Y- Z% O, W+ a* r. g
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ; H, B [ ^7 |( v: @
]
1 g; d/ E& @* w* F+ `: d
0 e' S+ ?4 T% t4 a& j; v1 a+ w* X- ` j2 L
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer" j/ |$ U, Z, n: f
' H/ m5 ^. V% e% g. ^' Z/ f
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
: ~/ p8 P) ~3 G;;将此次交易的记录加入到customer的trade-record-all中
) Q. W& A O, _' U2 tend
% v; B& V8 w# c" T8 T- Z2 X: Z' {5 R9 u& x g% F( M
to update-local-reputation/ _. O& ?* ?8 j+ T
set [trade-record-one-len] of myself length [trade-record-one] of myself$ b; F. c+ ^) R2 A2 f
# F8 Z1 s9 c8 T+ _
; g E& o; N+ [8 P0 r [( M
;;if [trade-record-one-len] of myself > 3 / G: i/ L6 N7 z7 [* M; r
update-neighbor-total
* \ ^6 E! O6 [ @6 C;;更新邻居节点的数目,在此进行
' T# p9 k) l; T, X5 vlet i 37 x+ p9 c+ z/ D* b7 j M" o Y6 V
let sum-time 0
7 q5 q% {1 P7 U3 P) ~- X2 P$ u: g/ ?while[i < [trade-record-one-len] of myself]
0 n+ ^8 e) t4 n0 `2 i[+ K6 F' a& P Q0 S) m
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
: t5 ^2 ]' I: g: \set i% X; Q4 F) X. u7 z6 o: a+ ]
( i + 1)
" d9 q# j8 {# O# b% F9 `$ ?/ @]+ k# v' a) }( n* l( A5 F4 o' D5 R
let j 3
7 e9 w1 A" \. s- C* V: g. glet sum-money 0: V. X% D6 R6 Q% A5 |
while[j < [trade-record-one-len] of myself]
" j7 S4 U4 u& Z* D; C5 W[. X; m9 x) W$ Q; O
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)
4 C) X. `& H' y1 X6 O4 Iset j
, S) A- d$ E) P6 Q( j + 1)
8 [, }+ ?# r" A2 l. u( R @] b% |* |1 x8 m5 ~/ V( J2 ^; v
let k 3
2 e+ L$ G& k" G( s J% Y# Plet power 0
7 L( G# o9 _( I0 _let local 0
9 ]" V% v9 j& ]/ t. Awhile [k <[trade-record-one-len] of myself]
* u: Z9 t8 f8 F& l+ t6 h, B[
$ o- X# C5 l0 `8 V0 k. Hset 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) ; v0 u2 y- v3 m1 G
set k (k + 1)$ }" ~# m) u2 [$ _
]
, K/ O# x8 s5 j9 Hset [local-reputation] of myself (local)
5 \7 V$ a: A/ nend
% h' c. |% ]) X2 h3 P2 `; a. c K
5 A8 t" B. M* R, H5 lto update-neighbor-total
* h8 n+ @% O/ [1 i& `4 S/ |* Y9 y. Q# A, J4 F
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ] B4 B/ A0 S1 _- x$ l5 V
. \0 |0 p x# \) Q2 ~6 g
/ ~- s8 f: d, p+ uend
( P* S5 Y1 C- z: E+ D9 `/ D0 s9 H; `- U; d) a
to update-credibility-ijl 3 d4 x# q" |$ i7 }
; C- }3 E2 ?( Q: }! A/ 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。
8 _4 w5 `' q( ~! Jlet l 0
& p' S, e4 p* S( `8 p2 |while[ l < people ] m" ]% Q2 F1 e1 J5 n- d, M
;;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1 ?2 u" B8 k$ }
[
% [! B9 g- ]( ^6 a7 @" I$ ilet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
% }/ }- I. |5 F. H+ p9 ~3 i! oif (trade-record-one-j-l-len > 3)0 }$ m: i' z. 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, ~1 w! H) P: C+ y* O
let i 3
! |* Y" j' A# ]! elet sum-time 06 m `* m0 _( Z& g: }( K" ], [9 D
while[i < trade-record-one-len]
: ?$ V& H* y; \5 J[
# E- u/ s4 W: g1 R% oset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )+ d1 V( E0 _3 Q+ ]4 C5 D
set i C$ T0 z. Q( l& T7 e
( i + 1)
& `7 D- l1 W4 B8 u5 p8 ^]; T6 ?! z' m w8 X9 i
let credibility-i-j-l 0
2 V+ L; @5 I) x;;i评价(j对jl的评价)
: A" ^ I4 _) I$ blet j 3! n0 u! w. H* f& N. L
let k 4
$ x. {, k8 _0 Jwhile[j < trade-record-one-len]
! I2 s' Y6 k8 Y5 Y) j) M[# [+ A! `+ S# Y, ?. Z1 R
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1 ~, P2 d' H$ S% X; Z
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)
% n, T+ a6 R5 q( M7 G! {' pset j
, d1 O- f( X" {. @; `( j + 1)
! n+ s; i& v% m# B]
' |$ J& Q! F' L, r1 G- Wset [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 ))
& M7 U( ?1 I$ O" z2 R% k# ]2 z. t8 h3 k+ L. L: e
; Y5 T2 c2 W/ l! E! h, H1 ?let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))! r5 q5 F% d7 [) ^0 w5 `9 O5 W
;;及时更新i对l的评价质量的评价
* A# g5 a" g/ b& j' n' l" ^1 U Jset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
7 f& ?! a5 L9 L" I# f4 pset l (l + 1)' E( g) Z- h9 v, k' a$ P
]
! P% O9 e) j5 aend
0 B! E* [1 m4 J0 ]( O* `# _, ^3 h: O& C
to update-credibility-list: D3 v( G+ @6 u5 j8 A
let i 0
4 j9 }1 a5 E1 c. `4 Z* A. nwhile[i < people]! m h" s! c* @) S0 t4 i! @
[4 h" P" ~% q! W% T- W. L! j" F
let j 0) b1 S3 U( c. g0 X* k
let note 0
4 v9 [! R( Z" I2 n" _: T& vlet k 05 G' a& _1 R; g3 V5 {
;;计作出过评价的邻居节点的数目
/ x+ ]( M, l/ B* e+ Vwhile[j < people]
) h$ c" n: i6 _( Y[6 {5 |! d; a& C( k0 @& O* U% y
if (item j( [credibility] of turtle (i + 1)) != -1)/ y1 X' B$ e, ~- y8 t3 k
;;判断是否给本turtle的评价质量做出过评价的节点
- Q. l- P: t$ l( r[set note (note + item j ([credibility]of turtle (i + 1)))* x' r' Q# m$ O, `" v1 x' `4 m7 \* [
;;*(exp (-(people - 2)))/(people - 2))]4 z$ A( I9 u5 Q. }/ N: P; X
set k (k + 1)
0 J9 b. F3 {1 w5 @+ w8 L9 S, L) U2 E]
4 B s- S- [4 y) Vset j (j + 1). P- d/ x9 w* i
]* t9 O1 H1 ^0 e) Z# g& l. A4 c
set note (note *(exp (- (1 / k)))/ k)6 {8 M! Q) [' g H( r
set credibility-list (replace-item i credibility-list note)
c! B& y! R7 z e8 c0 Zset i (i + 1)
9 J" ^/ O4 @- ]# b6 D1 c]; b7 i* `) B0 p {* e
end# X" y$ C+ n; N( Q5 h3 a' u* \: x
. I- G8 R# ]% G" K+ h6 U) N: `to update-global-reputation-list5 R- C K6 h& M6 x& @
let j 0: L/ K! K+ `) @1 m& @, v) X. w5 a
while[j < people]
9 R* O( \+ {) p2 o[- l6 q ?1 I4 |
let new 01 H7 Z- O% N- ^2 k
;;暂存新的一个全局声誉
" W; w6 `( b) Plet i 0
5 U( R* T- N& n+ ^% Qlet sum-money 0
1 ~: @7 _1 R3 A# W# X; Dlet credibility-money 0
: Y$ h* f- b- i8 fwhile [i < people]/ ], R9 j! \' n- Y6 ?( ] e u6 d
[0 b* b2 R. m5 D! b( Z1 q, p
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
7 Q: O% d2 {1 K) Y9 k; sset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
. K$ K' x/ W5 M6 z8 n8 Uset i (i + 1)
7 W6 j# ^- r8 l% C1 K! M' h( }]+ H& T4 u a* L
let k 0! l7 c8 `# B; A0 V7 u
let new1 09 q. H' m% A9 e
while [k < people]6 B! F5 T; u- e" \7 g, }7 P
[8 S; m; X4 _; a
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) U, H } G6 n, f9 L
set k (k + 1)3 L$ ~8 l" y) ~
]* \1 L a5 V7 K1 M$ ~% a& b
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 7 P: t; p" q4 F4 K
set global-reputation-list (replace-item j global-reputation-list new)
9 H1 M& m' W, D, q& t5 rset j (j + 1)1 m% {1 x- r9 C3 ~/ M5 E
]
8 f2 F% }; ^2 x1 l' N: Yend) v' Z J, w, L; z; q5 [. v
9 M( |& `1 x$ b3 O' L7 ^8 C
]6 R% K# R% D2 B$ r. L0 v+ T9 m) d8 e/ d6 t1 _ E
to get-color: A9 \+ N6 ~# `
, j* p0 ^& Z% D; J( Uset color blue7 D0 s- Q) p9 V+ {
end' \0 C) h2 Z6 u8 B+ q
. Y9 P( c( D3 o# R6 z/ Q
to poll-class
" } W& _) l+ J- Y. l' xend
) K u W& f' g4 @
^# L i s ]. K1 A* a1 W3 \to setup-plot1/ v. C E9 B3 {* ]$ ?+ O% z) q: J$ i
% i1 H: I6 q" R0 [; I
set-current-plot "Trends-of-Local-reputation"
2 S3 B, X. }5 ~) s1 L, O' n/ @2 }( [1 g" ^
set-plot-x-range 0 xmax! \: g* h! J0 m% V) H8 @* D
4 S( ~! x, p/ }$ f( `set-plot-y-range 0.0 ymax0 }4 C% o' q: H6 E) ]# f9 e
end' S& I5 d6 ^5 j. ~# P' E2 \
J* \& g$ m/ rto setup-plot2; H8 M; b- h- I; i; E& g
- E# ^; W& B# oset-current-plot "Trends-of-global-reputation"* J( A, |% x1 g7 s* m+ @7 M) [( r0 M0 i
$ U0 G1 ?- Q( w4 J+ U. |0 N2 Uset-plot-x-range 0 xmax
; H2 V7 ~1 l: w# H6 S K5 I5 d, U7 B# t$ \$ W- A
set-plot-y-range 0.0 ymax( V3 u6 l' i m/ s# F$ G! ]4 P
end
; J4 @0 M, P2 a' Y- g& y# @, k5 `2 Z* L% e8 j4 [
to setup-plot3
6 h/ k4 Y6 Y; I: T9 w# Z$ X
7 {" j( Y' C/ N4 w! T4 vset-current-plot "Trends-of-credibility"0 H% @* \! h b. V# c o2 Z/ @2 K
' t1 v; i! a& s2 Z" F- m' z( T) K
set-plot-x-range 0 xmax+ \" V `8 K' j% f
; q+ J0 U/ K# G0 mset-plot-y-range 0.0 ymax2 K7 @! e5 @; b/ t; S- b$ O$ o
end
" a R: `$ h; T: N7 f# p! ~! A3 Q2 H7 a; @' S
to do-plots0 x, a% Q3 R3 |% g% }- i" d
set-current-plot "Trends-of-Local-reputation"
7 a. W2 F7 j6 e: {set-current-plot-pen "Honest service"
% q/ `% Q; c3 G3 cend
" @8 Y; ^; e9 |+ @% I" N8 S1 s: f9 V8 v" c9 X0 j
[ 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
|