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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9 u0 `. f4 M: D& Y6 {
globals[! j u& ?& J- c+ S6 T, [' U
xmax
% C4 m/ Y3 c) D3 uymax
2 q) v+ Y) S" q- Q+ v+ |global-reputation-list
( {" J) n9 J! C. s& q5 h# o- i! ^2 Z z
;;每一个turtle的全局声誉都存在此LIST中9 F1 n# V+ H. r
credibility-list1 N$ {: z/ n T- B! n7 S, g2 q m
;;每一个turtle的评价可信度1 w6 X8 A4 e- Z# G$ h. f/ \4 L
honest-service
* J! B; s O5 b' B0 cunhonest-service
! r/ B' w& p8 s$ voscillation$ m3 U& b2 R# o p
rand-dynamic
. l) q0 x3 U3 p8 S3 p* d]! I& M. \8 Q+ ?3 }
/ H$ {! M# A G; G& T" }' o) eturtles-own[
( r' Z' h- i/ y4 R' P8 Rtrade-record-all
h! A z# n' R! K" o+ N;;a list of lists,由trade-record-one组成
8 s) C8 ~; B0 g& C4 etrade-record-one0 ?! H2 k0 C8 Y& V( M
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
- N, q7 Q$ F Q4 o
( e) t/ b. {7 |* `5 h; a. R;;[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]]+ x/ h. S4 p+ @5 h8 J6 N; v
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]
% l3 Z6 |( I; P; J7 @0 _4 Mcredibility-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
0 I; l! n5 x& R) Hneighbor-total4 C- O4 ^* e. _7 @$ K, R' j
;;记录该turtle的邻居节点的数目5 m& m# ^% v) I* L% @, [' V2 b$ {
trade-time( M. U9 `. r+ J$ w/ a7 n- T! Z8 L
;;当前发生交易的turtle的交易时间/ b; g1 g; v9 U
appraise-give/ D: G0 k+ d7 ]
;;当前发生交易时给出的评价- d2 l J' M7 }3 ?& v1 W* I3 s
appraise-receive
, z6 u" E2 f+ U/ Q6 ?;;当前发生交易时收到的评价) ^0 T& S$ G+ Q4 a! Y
appraise-time* v9 C; b, H+ z2 x$ N# |6 `
;;当前发生交易时的评价时间- O+ ~" H& ~1 N2 K. w
local-reputation-now;;此次交易后相对于对方turtle的局部声誉& O% q9 q5 V9 D4 X
trade-times-total
9 {6 O( o/ p- a6 E# F, @: a# _;;与当前turtle的交易总次数7 r7 ?* h; }' j- {3 s2 A9 f
trade-money-total
3 x& q. M3 N) a2 `5 R6 G$ F- J! J" ];;与当前turtle的交易总金额! \. P- Q' u% T! U
local-reputation7 o/ x3 S _( V/ u* Q- ?/ a5 T
global-reputation
# N9 g& _7 u0 b' `: E4 U+ d8 I: zcredibility9 E2 q9 D2 y2 E y, c
;;评价可信度,每次交易后都需要更新 @1 u& E% _! M9 v
credibility-all
0 m C3 k9 ?+ m# b4 q6 x) O% k;;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
, E' s! ^& Z' @/ P" r D( D6 F' J' r5 o! ]+ ^; p
;;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
& P+ B+ x) p% ~- ?0 ocredibility-one
]) n/ E* m/ U p' {;;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" i- D" H, p8 |" {& J3 ]4 ]# f
global-proportion$ T; H5 ]) t+ A* f. Z/ L
customer5 a; ?0 P* r6 v; O/ ^
customer-no
2 j+ }1 r* Q P! F+ T) {, ]1 htrust-ok
7 |' |0 [% Y6 U V/ h+ ntrade-record-one-len;;trade-record-one的长度
9 X! W$ a* {5 h6 O- {]" _+ H5 A0 }+ f3 d" L* ]4 u5 d+ }
% p/ [/ l0 e1 L# ~: |7 q# W
;;setup procedure
5 H' i' [% M1 W! r) U6 l" |& I: i% ] h3 \9 c% r: x5 @
to setup
* Q ?+ y" `7 }9 X7 A
% {/ p' O# x8 ~ca+ m0 q. G+ v0 L
7 e+ s% C. n% ^. h9 Qinitialize-settings- I* l" r- x7 ~) _4 }% T+ E/ J$ k: g
: p' a& A+ F, Y5 S. L7 _crt people [setup-turtles]
/ _ [' x3 j+ k* g! f
. C; |. |' m9 G i x7 `9 c1 wreset-timer( F/ q3 T$ g2 p9 ?
! d0 W2 c+ ~! \% Cpoll-class1 W- Z2 d: H, C. V: j* h$ w- u" _
, B. m/ t' B5 t v
setup-plots
' a/ ]2 l. c6 l) S
3 h. E+ @7 `# A5 }# I6 A5 Jdo-plots
* J( I- F& M t8 }8 l0 K% @end
; R$ n3 X) T; m) l) [! D
+ r; i0 s& M. w* l5 [9 Ito initialize-settings
( ^ H9 S5 |. U. W! }: n R. [+ P
% a2 R% l) R# ?- w; H. b7 c: v$ mset global-reputation-list []
$ ?5 f3 B6 W6 P) L' ^- H+ h) t
5 @' I' M d' V" X9 f! W& e2 d" |set credibility-list n-values people [0.5]. E, M: a$ y" ^ d3 c" n$ y
6 S+ @) s! D$ l; kset honest-service 0
, B5 r% v2 J, q- u; ^* T' N, b& v3 R& s4 G
set unhonest-service 0
. O' X1 Z1 b6 m9 F% |
8 S- D% t( Z9 T0 E/ g+ }set oscillation 0" Y: [2 T- m; |8 E! v6 r5 U
9 _- {; K* a% z) }+ X) b* bset rand-dynamic 07 q8 b9 {+ B; D! M& Z
end
$ n1 F U' A! p) C0 I2 b# P( y, p2 u; e9 [5 V9 O, n1 Z0 o- d
to setup-turtles # B) {, \7 p" W, F$ h6 I6 V/ f/ F o
set shape "person") ]) N X# |& K# O g
setxy random-xcor random-ycor
C E. i) C0 _# F0 Jset trade-record-one []8 M/ J. l3 t% y. F$ N" ^8 h5 N: W
- s+ B0 c/ n6 ~7 ~% W( |set trade-record-all n-values people [(list (? + 1) 0 0)]
* F( u' m* `/ H
, y8 e, _3 k6 [6 ^set trade-record-current []
! P1 y7 N! w M0 G E4 t. Vset credibility-receive []6 d: V- \6 C. p8 i' z7 L5 L" N: J
set local-reputation 0.57 Q/ v1 ]5 }- z! c
set neighbor-total 06 Y( u' g( l6 W; B# G3 _$ s
set trade-times-total 0' T$ M- M i, W- W+ Y! T1 E
set trade-money-total 0
/ U2 f" h+ k. x( z2 o H& uset customer nobody" a4 X9 D# E Q4 r2 y4 _* j
set credibility-all n-values people [creat-credibility]
! p% e# g3 W' Cset credibility n-values people [-1]
9 ^9 M/ N4 C9 V( Z( Bget-color/ ?$ K& m$ V# g. a, l* j
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end# O/ t6 m- u( M+ T0 ]" n3 Q1 D
* h1 N2 E6 {% W- v4 i) z1 o% A
to-report creat-credibility) d! J' F$ F7 l+ i4 p
report n-values people [0.5]
; M, o# \1 i/ q. x2 Bend. [" c' l. Z, l) M& s" { W1 H
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to setup-plots; l" Y) C4 I" ]; V5 }) T) _
/ H2 C* u: k0 ]" g' A2 @5 Qset xmax 30
8 o" m! @( V& }7 z, j9 ^* X: m" o" N" a2 z$ I/ i+ p
set ymax 1.0) S' s F% O7 U6 V% f2 G
! p- ?7 k5 v9 ^8 Aclear-all-plots
6 g6 v1 O3 y8 n1 b2 i; Q, s+ ~( |! Y1 n* s
setup-plot1
0 g! x8 p* I* w; q& L0 ?0 k' o& W2 c' @ x
setup-plot2
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# ~" Y+ m# B, u/ e, t# @setup-plot3- s! l& {. ~' m1 ?2 K. m& v4 d4 ]
end
3 g8 R8 v, ^. y4 z# \5 I% b$ n1 ? E1 r' q" i# ~2 I- @; Z
;;run time procedures; \0 ]- l" M0 R% T8 ?3 o
5 w2 |0 O* K: p* Z! B: i
to go$ r: r+ ?1 c/ u. U' s. J c& N5 }
7 {& F8 `3 {$ {: ^/ Pask turtles [do-business]
0 r4 I$ N; J( i9 Send
p7 q0 L6 j/ ?9 Q! }& L f# h2 `! R0 X
to do-business
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6 {, N! M, Y/ z. \; r4 ]% w D$ {2 F3 M2 C! S# E4 ?8 L) I/ F
rt random 360) r2 `' A) I5 m( q0 f
* m$ m. V8 {6 l* P
fd 1- |; X5 O2 p, x- p
8 e G9 ? z: ]7 y' f+ iifelse(other turtles-here != nobody)[% e% E; |! z* h2 ?5 b) D, X
, J0 O1 `; Y; h* R& V
set customer one-of other turtles-here0 A8 n4 `5 X; ~% o6 g' y+ M' Q# J, ^
5 q' I3 |- ~9 R% K9 w$ H
;; set [customer] of customer myself! O, A2 i5 y1 ]: r5 l" l9 {. ^
- Y0 e& E) _7 ?set [trade-record-one] of self item (([who] of customer) - 1)
2 `: G2 I, d: u7 j1 w7 t6 q5 ?9 o[trade-record-all]of self: u; \+ N5 |, g" ~
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self: S! K+ I4 u) x: ~- d9 e
( N# R2 B0 \6 O3 z
set [trade-record-one] of customer item (([who] of self) - 1)
' ^& R# ^; X( n& h* G[trade-record-all]of customer
) u( K: c Q/ ~/ s
" v& C2 m1 }# ]' F! Z) }set [trade-record-one-len] of self length [trade-record-one] of self
( a, A2 M: U. h' f& p; T
7 {" Y( K! m& J7 qset trade-record-current( list (timer) (random money-upper-limit))
9 V" V9 x6 N" \ L/ u' t: D! ^
. B% _5 z# p3 F3 F$ Z6 B/ bask self [do-trust]+ }7 B) b$ T s' I. k
;;先求i对j的信任度
0 ^" s# G# h8 M# }' a+ Y* z$ S* K* i
if ([trust-ok] of self)5 ~. z" r: g5 {* [; y
;;根据i对j的信任度来决定是否与j进行交易[- j7 r( p& i' O
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
8 @: U [ u; D, u
; i' B9 s$ ~/ p* @- [9 v# F; _9 `3 Y[
% I9 k. z, l. u
: D% x8 [7 V& l) w8 `& O y. B2 ?do-trade
+ k% b( N2 h/ _+ Q- B6 S9 m# p$ R1 P5 ]+ @% q; u) n
update-credibility-ijl
7 N: U" R& h2 ~
0 r* T# b# q( Z# Q/ y/ }5 j4 C' d4 nupdate-credibility-list
3 ~% l7 o; T q; j' ^- b( Z- r3 y+ |& K8 O' [# D" X( |& v6 F& e- l
3 P; J9 K$ B' z) E
update-global-reputation-list
6 `+ K- j* x0 T+ S: C# }0 _
' j* y5 Q+ `$ u H. T! A5 epoll-class: B2 [, N5 H0 l3 e
! w8 _0 d/ A% Y) w- ?8 _3 t. gget-color
; o) H. ]) \4 Y% y( s
. D7 n) m4 ]6 D0 ?6 ~]]6 U4 k4 { j5 F* h! R: ]# r3 o
& ^' v9 n1 F$ B$ m5 f9 d; `;;如果所得的信任度满足条件,则进行交易7 g) b* |3 J! I) B3 b
, c6 f* L# d) |# y3 a, n# a+ S' D" c[& W! V2 f8 q' P% v
$ j* Y. s5 @! m7 D Mrt random 360
& A6 d1 v: v8 B, V$ q1 K7 i2 F8 f3 l8 i) R0 M$ Y! \& r X2 n
fd 1
* @/ ?5 x+ @/ y4 _3 t! [1 t) g# J% R) F, j8 O9 b
]
5 r% g* ?1 P' _# I" D
& T$ ]& e# o J+ @end( Z# I- c( L; i/ }8 P+ Z1 ~8 F
5 \$ {4 n! V N- h+ H2 a! R
to do-trust / y" j+ n7 F" j6 G' p
set trust-ok False7 C7 W8 \$ I% t$ @% ?
: c+ c9 o8 s* u4 P9 r
2 r; f; ^8 S# J
let max-trade-times 0
' L* M& W$ ^) Z+ u5 q5 |- d! qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]/ M( t9 \# o; H
let max-trade-money 0- ?. `5 R9 ?; Y
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]0 n8 h. k: ~+ Y
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
! q& X3 ?) ?. a9 E
* @& m1 o+ M' {; k F9 _: Q$ E% J: Y3 s" [. K
get-global-proportion
; l- v V# I1 H( {# P Z8 glet trust-value' N, M. x, S( @2 c2 M
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)& W: [, ]0 s7 q4 y3 ]5 t# u- g
if(trust-value > trade-trust-value)# B7 J% R$ w- \4 I1 S9 n7 p
[set trust-ok true]
! G* Z- \# K% x9 I9 {. U0 ]" aend1 L+ A+ d. ~' t! {
' q) ] L1 x; U3 f- H( ?2 t" h
to get-global-proportion: D5 {( l- _ ^0 ]% ]
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)$ w8 Y4 o6 S7 Y# b) _* M
[set global-proportion 0]
1 o# y3 T8 k! N5 Q- F[let i 05 a. p: b- Y$ t6 F$ m% z0 W5 R' X# p
let sum-money 0 j; n2 d4 d& _; I
while[ i < people]& U8 S8 \. L# Z4 R& r8 e
[+ c; O; l9 X# }/ |' {7 D- P
if( length (item i
# Y/ _% Q& g$ n& l( [[trade-record-all] of customer) > 3 )% G6 p& y% R4 G$ C0 v
[
3 V: `5 d0 \( Q: ]% u% tset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
" J. v6 u# y8 e/ g]" f- A9 ~9 n- [3 |6 A! w! }
]
; R& r) t: r5 mlet j 0
) G7 _9 n; A1 g# rlet note 0
7 N7 R9 j" c- D3 N |while[ j < people]6 ?% s' t1 E: o0 L; R7 {
[
/ Z. Q, a+ Y, u. ~; j$ C+ t Vif( length (item i
# A( s' Z# z4 p$ j* G[trade-record-all] of customer) > 3 )6 q" o! { ?% F5 z5 f( T( v2 E& a7 J
[, a! P# u; m* T" D/ s+ l- q& C2 e
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1), n2 G D, C, c1 V! b3 }
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
4 K2 a- |/ `6 G[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]: ~; R; U4 F3 {2 A& L @
]- ^0 K6 B9 z, U: c) j2 R+ {) i& w
]
5 l1 z: z b0 P/ j' t6 cset global-proportion note
1 M6 B3 Q! d/ x" B, ^]
: I0 c- X* X( D* h% _ xend ^* g5 U) i9 U( A9 g
( Q1 `0 O* C! s9 O" j
to do-trade( w# E. `' j/ \
;;这个过程实际上是给双方作出评价的过程
" p; F+ }' w1 h G9 Eset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
5 V9 f; x$ d+ k( P. ~set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- [ _" I8 e3 O
set trade-record-current lput(timer) trade-record-current4 K- l* x, J2 b
;;评价时间+ V3 w4 x0 I& `
ask myself [
# V0 _$ X- j. L2 B* v- Vupdate-local-reputation; ^7 E; W/ E5 k( B5 W1 r
set trade-record-current lput([local-reputation] of myself) trade-record-current
- T( d' E3 [3 s& T. Y8 C]
% z) R$ j. a/ R" S3 c$ Uset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
6 M1 D5 O* ?- E. N4 n: {) G;;将此次交易的记录加入到trade-record-one中$ N# U6 Y) v' @& n
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)* W! z" _. K% Q1 e O6 ~" E' O) B
let note (item 2 trade-record-current )
2 o: i" v8 x- a& s* G% fset trade-record-current# Z5 T- b7 G7 n7 v; q( g0 @
(replace-item 2 trade-record-current (item 3 trade-record-current))& B& g3 \1 S9 q! r
set trade-record-current
; A6 B$ a3 I; W* G0 k% o' A(replace-item 3 trade-record-current note)
! v0 c; @2 Y. d- k- z5 |4 h3 C! s/ f" I% F W
4 e% Y9 ~* _ D% ^( }; ]8 m6 nask customer [* I4 b. P' w- e# K8 g9 D( i
update-local-reputation* h- r3 t0 H4 n1 R6 F1 }
set trade-record-current0 y% w1 t! E& R& x- \( Q
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
) U% {# t2 H5 n- t]
: F! {3 C% q0 I
; G8 v2 r/ q* b8 T0 n9 |9 r
8 p7 s* ?2 W2 t: E8 `6 tset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer% l8 D% R+ v& A7 E- l' Z N. p
- M# J. j4 ]! m5 d( Fset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
0 R, N6 W; i4 v5 Y0 _3 E$ K0 |;;将此次交易的记录加入到customer的trade-record-all中
% C/ B, v& a# `# P) d6 Hend
9 u" |* f" o# i( L! ~) n# p3 x' _, E; R8 g2 h
to update-local-reputation' M8 n @8 z" G1 R1 Z+ a4 i6 n
set [trade-record-one-len] of myself length [trade-record-one] of myself: D, o2 q9 `7 k& `: w# d3 |
d s- \( j; H) \9 P6 b: K3 S
. w% E3 O3 y) s& M
;;if [trade-record-one-len] of myself > 3 1 h3 x9 d7 f4 B) n+ j5 }8 z9 s
update-neighbor-total
5 I9 [+ K% i' ?- q: {( p3 \7 X( a;;更新邻居节点的数目,在此进行0 X* \- i: @) i# F( a* l/ c
let i 3
5 z5 {- }! s/ t# C, o/ Mlet sum-time 0: c8 l( G( A/ \/ j) q
while[i < [trade-record-one-len] of myself]$ \; P+ q; J1 w2 D- |/ u: m6 ?) o
[
* |$ _- g9 f- s7 \$ bset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )2 I. n9 p, a0 l- ~. s" B
set i: X# Y$ A6 Q B
( i + 1)0 W( ?" j" P0 x* }- _
]
! c/ `% A8 g" b, Zlet j 3
( u' y' C4 ]+ M+ e x7 Vlet sum-money 0* d1 \) W& j8 _
while[j < [trade-record-one-len] of myself]
+ A" ~1 c$ _% m) w) p t( a, `) C6 K[' a. N! F7 \: a, [9 i
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)
3 @4 u* O6 B1 _7 Wset j
! t! V* r6 w& |0 O+ }6 u3 S( j + 1)3 c e b. s* G+ y* G. ~8 l3 T
]
8 X' u& \4 y( l" `' Z: D$ [let k 3
' @) Y+ e! }6 F- O/ ]3 J, Ylet power 0 J0 E- W' q9 ]$ a% A
let local 0
7 e' J+ i/ T9 u3 U! A2 r7 wwhile [k <[trade-record-one-len] of myself]
3 e3 H, M. |3 l' S0 r& }5 K. O[
9 G% e" i3 S6 c; V9 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) ; ~- `0 p" W2 x
set k (k + 1)
/ n/ v/ S8 K% c0 G8 h+ I, ]]
, \* w- }1 W$ m' j; C' I. Z/ Fset [local-reputation] of myself (local)! T2 ^+ ~' e! v9 @& K- x$ \9 I
end! I# a* |* n/ D- ]! U7 L
3 v8 x4 S: m* h+ b& ?% l( ?3 I: u/ J
to update-neighbor-total
6 B8 N9 E" X4 h0 U% R. d* F
9 a; G! S3 y4 p, |& m% sif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]9 t4 e7 Y; h. u7 }
6 D7 C; B3 j4 e. T
, E5 }% t6 x; w+ y" S% |end, Q) c8 [' i4 R% [# \ P
3 f) e, m3 g2 u- y" j- N5 L
to update-credibility-ijl 9 L) o7 Y8 \) H
' {* U) J3 S% E0 P" i0 D# L/ `- p: V;;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 B o: X8 o' _7 J4 Q T9 V
let l 03 Q5 J* C1 b! i a, k' z8 }
while[ l < people ]
& z7 b9 y# L, C" 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
- d0 w9 \ n- U( `% s; G[) h2 X0 f2 h, N' a$ a2 P# Q5 `0 q
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)& q- v! r1 K8 h9 f% U
if (trade-record-one-j-l-len > 3)* o* c$ w0 R" ?0 @; s
[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
3 y# d( o+ ]* c, a6 ]2 ^let i 3" h9 G2 X' Y0 ?
let sum-time 0
$ ~/ E' H0 d0 M3 Z; }" j5 Xwhile[i < trade-record-one-len]& M2 L2 i3 M0 O% o1 {- S* K
[
3 ?1 z, `. X0 k! D7 |set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )& U. k' K. m5 c9 W/ m7 `6 w' i7 Z
set i
) {) T0 s% x. w3 [; J, ?6 x( i + 1)
H+ H/ y5 ~' \1 y]
2 `9 S4 u' s# C+ z# ~5 Olet credibility-i-j-l 0
) B# c5 O1 G6 D. i/ q9 e. S/ W;;i评价(j对jl的评价)
, j' k6 w/ ]' A3 q' q) J% g3 \6 Slet j 3" A3 W) u" u! M. N7 [9 `
let k 4/ v5 h) }5 t/ h( F
while[j < trade-record-one-len]9 m A( }% U% ] B* W
[9 N* M/ m& v- Z( P3 X) a
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: c/ D& d2 O5 C3 E( J
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% m( |# P0 E: T& Z6 Y3 O. tset j
5 o& _ C) o9 F# w8 V6 d( j + 1), T) ?; q2 e# J6 {
]
& {5 k' V" U8 p: z2 ?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 )). j) g! c, V+ o: {9 z0 C& R
+ g$ q' \8 j& A- {$ L& t8 {
& Q: g& U* n3 n0 S/ [9 M
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))2 f3 Q) E7 s3 A, A
;;及时更新i对l的评价质量的评价, x2 i9 |9 M8 I
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]' |9 b; I/ T3 E [
set l (l + 1); B7 z5 g( c; c; y) }5 X ?9 R
]. v2 W$ I9 s$ l, s: K
end
% ~8 ^5 M, R3 Y- b8 p
5 o% ^ W( n; Y& h( @- Q6 f% m0 O8 G6 Yto update-credibility-list- J8 ~; |+ [: N- J- S: X( E
let i 0
7 t& O$ \: W, y9 l/ wwhile[i < people]
& i' b+ j; W% `6 G' x; O" {[, X, W9 g5 ?* d* B! s- N- K
let j 0
8 z, i. R w+ mlet note 0
' f" ~& c R6 i6 @. D# plet k 0
6 W5 {% i* e# _( f5 S0 {0 g* |# v;;计作出过评价的邻居节点的数目
, x- h( A, ?. ?3 G8 _- Zwhile[j < people]
- `) o) O; H' n( i/ n[4 _6 }+ i5 a; c! r y9 I
if (item j( [credibility] of turtle (i + 1)) != -1)
% f; l p S; c B! C3 _2 Z# ^;;判断是否给本turtle的评价质量做出过评价的节点
* H! [8 N; {" L# A* S: w[set note (note + item j ([credibility]of turtle (i + 1)))
- E) \$ g$ C! I; A' Z3 g;;*(exp (-(people - 2)))/(people - 2))]
$ Y6 q) m- @% z5 t, M3 Eset k (k + 1)
& L) C6 v. |- x5 l h: r* [3 E]- j" x" T4 y' r5 J; ^* I
set j (j + 1)) ]0 P6 a. x* s% e4 G
]
% A2 y) D( ?% _9 ^set note (note *(exp (- (1 / k)))/ k)
* W" w) j" Q5 J3 l! _set credibility-list (replace-item i credibility-list note)" T, t6 o7 x- b
set i (i + 1)0 K2 E( D! t$ v6 _( L7 S, S8 j
]) D, p7 x' E5 I
end
- Y+ W! _7 N6 l1 f
" A& R$ \: Z5 sto update-global-reputation-list
. ]- N% s0 D4 _let j 0
* A* }- k* Y( S- c' D7 ^8 A- gwhile[j < people]
5 w# Z" i7 y7 P[
9 W0 W" ?' f c$ n b: u1 Alet new 0
8 v4 \6 n `4 P: v3 G7 D& F8 R, _;;暂存新的一个全局声誉6 m- ?& r' K& h- b3 y/ E( {
let i 01 ~/ y2 M7 `) \1 f/ }* q
let sum-money 0+ H) | j0 k6 S8 W! p4 }& I4 d
let credibility-money 0
z S s9 x* twhile [i < people]+ Q3 u( `# b* ^. |) Z6 M
[
' q. a# y. Y7 ]set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))' E+ x+ @' Z2 n, x$ A0 Q: Y
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))+ w( r% @/ u9 h8 s# t5 @
set i (i + 1)
0 o0 L% `. T$ Z/ w]9 y$ r& ~3 T7 }
let k 0
. j% C/ ^; y6 Rlet new1 0
# {3 P+ w0 f$ a3 J3 {while [k < people]
. O: f1 y, c1 v, D! @2 V7 v) a[: @0 t# i- ^. v3 Y
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)0 y4 }( |( q1 ^
set k (k + 1)
: K e5 X* V" \. J]
+ G( H% M4 V( V- A6 Q1 E- p9 p( |set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
. Y# R' m" o) aset global-reputation-list (replace-item j global-reputation-list new)
' v& q& ~) f4 A, y* _3 K' Jset j (j + 1)1 a+ A; E2 {* s4 e
]
! k' _+ Q# W& t; W, [3 x6 G, u3 Hend
- k u C5 t0 }$ G, y! R; C. h, q W4 C8 y
, R* e- r, U+ y1 }$ _) F
7 n! X/ ~- ]; eto get-color
& C3 u8 x- k4 y2 S, {
9 y& G. ?. ?; D( i( z& t4 a% rset color blue3 ^) u0 h/ U! e* _7 G" I6 U
end$ y! s, B7 h" I/ B
1 F4 J/ l8 `3 B; Eto poll-class0 {; V* u% u. G! K5 g
end$ u6 g3 a( x9 j, m5 k
+ E2 U& n' B3 ^2 j
to setup-plot1 t6 P0 l8 }4 J6 |+ a
) h7 I/ N6 R$ iset-current-plot "Trends-of-Local-reputation"
j+ M2 }; ~1 b; h D
. g# y9 e; e/ F5 }. t6 W4 c$ hset-plot-x-range 0 xmax* E1 f' z% v$ G5 K* \
( v' c) d# g: G/ O2 h1 m" sset-plot-y-range 0.0 ymax3 @- `7 I& I- r0 T7 x
end3 {+ M1 ]7 @6 B" `8 m8 a( x
. ]2 }/ @" p, F2 cto setup-plot2& y" r, P0 D+ w+ z' M8 V# v
k8 j; X/ O* gset-current-plot "Trends-of-global-reputation"
4 Q ^8 ~: B* M' B6 ~' G1 O: s* V. d: Y0 ~: g, S
set-plot-x-range 0 xmax7 J+ O$ u$ Z/ V7 o" j+ d, b
9 J$ [( M& B$ _# X3 dset-plot-y-range 0.0 ymax
1 m, N+ ^& X2 g2 e* i8 L* B9 U& Send
: X9 }7 Z" U) s& c. Q2 A. B) m) I! h" S. k' r3 [( j
to setup-plot3
/ F2 R+ {6 |, K* i6 b7 e" t* R& B1 B, \
set-current-plot "Trends-of-credibility" Q+ Z5 G: v& G3 ~( U
d4 T; E H, Zset-plot-x-range 0 xmax
# F. a5 X, U$ C M" v0 Z2 }" r! d8 M( X1 }# ?9 e r4 f
set-plot-y-range 0.0 ymax. \1 S2 s2 P6 g' ^. o, K' z- v' n6 u u# [
end9 e2 R t( @8 s' T# k6 r9 n/ `
: ^' L- L# p# m/ D; e7 I6 `0 D
to do-plots& D6 h* C& T- f/ o1 c* {1 s
set-current-plot "Trends-of-Local-reputation"
. S5 o0 y8 i+ Q& W# \: Fset-current-plot-pen "Honest service"
- R9 F. b) |9 m7 send J. O) [& m( E: X
5 h* _: u2 ?9 W3 D% s! ][ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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