|
|

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
, S$ P# z y9 C* y& I& ^. n& v/ Qglobals[6 v: X- v0 T& w7 O3 A' W e# ]
xmax
$ }( _: f9 Y" G6 H& O$ ~3 Kymax% ^& p3 f, \+ t" Q
global-reputation-list+ J% c( T( A( e; ^' J3 a- O$ j. n
; A9 D7 v, ?, J1 e7 q8 x;;每一个turtle的全局声誉都存在此LIST中' H5 _% H2 K2 W& f
credibility-list
6 O. {0 u9 E! _* R;;每一个turtle的评价可信度
$ \8 A+ C7 c l; B0 Ihonest-service
2 Z9 r/ B) h0 n( Hunhonest-service
5 {& `3 F0 M! [/ W7 B, Y. @& q; goscillation
3 I. d* i& J n: ^/ x- @rand-dynamic- D, n, H# V8 l5 M
]4 h+ L- M" |3 ]2 y0 a0 h
5 I9 r* f( o& i3 V2 |' d5 |1 o; Xturtles-own[' Q$ P$ S5 a9 A; R7 \0 _1 h
trade-record-all
, E( k$ u2 g+ J5 ~& ?) T( f;;a list of lists,由trade-record-one组成: Z, J+ b. X- D
trade-record-one
" X" i/ h7 A# E' d- 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: c6 N4 g7 q3 y- D7 ]
- @3 Z2 Y; U- Q- T8 D;;[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]]
% O" M7 A8 D& j$ Vtrade-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]/ a, R% R, w2 G
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
/ w7 }; {7 W/ _2 u$ s* jneighbor-total; r9 p( u* _+ {1 b# E; p- T
;;记录该turtle的邻居节点的数目- r$ E( Q; v% g, r8 R
trade-time, Q* n6 t% t6 _& D& W
;;当前发生交易的turtle的交易时间
. ~! @' Q" Q; p$ o4 Bappraise-give/ [+ a& k. C" [ J' t. l" Q
;;当前发生交易时给出的评价& N( c1 f, a" m' j( k K
appraise-receive$ r8 F2 L% r5 L% y# U
;;当前发生交易时收到的评价6 J3 K5 z1 l8 {% w {; P" t
appraise-time
' @# h3 P# E0 Y;;当前发生交易时的评价时间
3 L! B- d& a/ h" Q$ V1 Jlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
9 `1 |" r' c: }% @7 |trade-times-total! |) b9 b- v. x
;;与当前turtle的交易总次数
% H' Q- \- @" b" o" b) rtrade-money-total- P% Q9 Q6 i s( A1 R- G! I( S
;;与当前turtle的交易总金额
! `- z+ b4 z/ M3 k6 q5 mlocal-reputation; k+ A! d6 J% U+ ?$ u
global-reputation$ X- ^# u0 I) |' R( a2 D
credibility
6 q7 R! }; Z0 ? K1 K;;评价可信度,每次交易后都需要更新
0 k* c! j% p4 P2 Pcredibility-all
}% M4 f. b/ u;;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
) h- U; U: I) V" u' B7 h4 c
* L. y9 E. z; S2 ^9 u: w- N;;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
" g9 t8 L! t. |& `6 icredibility-one
% [' F7 x+ P2 \+ 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
; x: o' y; r/ z/ bglobal-proportion
1 s6 l! z" o* G% o# a( T* j& v" u ^customer
3 G# [7 I5 B# e, S8 b! W' m9 d; ucustomer-no0 Q! k: B8 w; w
trust-ok
3 T) F5 v2 I5 [% v, V3 _* Wtrade-record-one-len;;trade-record-one的长度6 D* h- f: K. `, l% s3 I
]6 m7 h4 T8 f( _" B; Q
7 R2 `& T7 s8 L1 }# ]. P& n' E% Q
;;setup procedure
" ~8 j( ~# ^0 J# ]$ @- K9 J
9 `% W; N% S8 zto setup; d1 B+ ` }/ l
& k: u' ?; l$ q: ~: ~* p0 x* N
ca0 p7 w1 z! a2 v X$ R4 k& V
# u5 d; z: x2 Z1 b
initialize-settings" C# `7 }& j' Q' a, K
% F5 y' Q3 [7 m( C' lcrt people [setup-turtles]% z( W$ { R/ u
% ]8 `* h; I# b% c2 h; r4 e
reset-timer
* j9 f& e. ^! X% |1 W
) v6 t. V. V. S1 zpoll-class
5 s+ q s( J! T" `3 o& J3 ?
9 h% C8 t! F0 `! ~1 D! n0 L" H Usetup-plots
6 ?) u4 Q9 R$ [, I/ W
8 f' T9 o) y7 p$ T8 Ado-plots
) m5 L4 F& K; H! X3 _7 s3 bend1 ~* c) Q* L) [% F
9 j6 V$ F& |& D2 d9 V
to initialize-settings# h, C: a8 V! D: }9 W. j# P
7 b# M' }7 K% }( Q7 u
set global-reputation-list []4 ^ u/ g& r! q& K1 B! t3 O
% k) u' d$ v! m% N; n
set credibility-list n-values people [0.5]8 F# Q8 G* A4 k9 Y
; p, X: A2 A4 O! d
set honest-service 00 m9 h' D1 A- P7 T& @3 ?( k
/ Y" t; \) a! e& w$ E0 k2 E
set unhonest-service 06 X2 ] I% A3 |" @1 y9 u6 x+ |! R8 a& {
3 K, H" m" x4 f/ |3 V2 Qset oscillation 0
7 N! u# [; v- l6 W
& c& t& h0 I: O$ P2 Mset rand-dynamic 09 T) O- a( ~0 ?/ {) J! O
end9 J+ C# V8 P8 P" t. k1 R
$ }' r! b" A+ b$ @2 O T
to setup-turtles
1 P% y# f3 Q2 ^2 H+ z/ X% F. |7 a1 mset shape "person" Q* I) M6 l1 s+ R
setxy random-xcor random-ycor
( }% M4 D; G! }7 d$ k8 @set trade-record-one []3 E6 P0 j+ |: _/ N( E" h0 p2 f6 p
; t8 a1 x. z3 k4 r# Pset trade-record-all n-values people [(list (? + 1) 0 0)] ) I- C: |, e+ x! N3 l) E
Q0 c$ U, j% Y' m; e+ {8 M
set trade-record-current []* m7 @6 E/ R5 [5 e( @5 J( i$ ^
set credibility-receive []
- ?' a4 f* d! Wset local-reputation 0.5
: x3 I0 x, @9 iset neighbor-total 0
, Y3 K" n, S" M5 hset trade-times-total 0' [ M, S; h% f# ]; a8 N0 _
set trade-money-total 0! A9 I( K0 q( H1 ?% u3 b8 [
set customer nobody
1 W6 }& @4 N, Y8 ?) E: c) K; |set credibility-all n-values people [creat-credibility]
4 b5 D+ K5 ]6 Hset credibility n-values people [-1]
) V+ ~7 w; e ~2 e; u$ P3 ~# _get-color7 x. `) i6 B9 S0 V. _: J
3 e0 v. c) g! x9 j6 C
end& ?# P- A4 H( N: g. @4 }; Z& D
' K0 u6 J0 u* \1 O/ M& _0 d1 Rto-report creat-credibility
; m7 g1 s, Q# m' I/ N+ I" X( P" m, Areport n-values people [0.5]; ~: ]. E. s' F
end5 }) j0 e3 g- r) ~& i
; C/ y/ O9 j1 V/ z# e, S8 Zto setup-plots' U1 |7 A; I& x5 n. a' A
; S* A8 d3 A; Q4 g; {9 b+ Tset xmax 30
9 a6 ~2 S7 `1 p& K1 [8 R- {1 Y/ H+ q% V$ I
set ymax 1.06 f2 E* l! i* X$ n4 B$ k
! S2 d: b" K/ s& o! `clear-all-plots% p9 I y% U' X
% j. n9 f& {* Hsetup-plot1
1 V2 ]' E5 f: p' a6 P$ X. O6 k; g6 C% N3 E/ i0 X1 f- E3 C4 Z
setup-plot21 Q; R3 c, W) x0 b
, i& _) D9 W# s' Q1 L. L
setup-plot3
/ I& N: m" n% N cend
/ n: V& u4 a4 M3 l0 @" F6 w$ a6 N
;;run time procedures
4 e( Z3 c, v5 Q y$ s/ u% r+ S% @# D- L% E9 D
to go( Q0 ~5 j: |# |6 q, v' a7 B* K
8 a# ~+ a( {$ T6 m3 [ask turtles [do-business]* q9 i; k' a9 C' C- Q
end
, ]4 n: \ ]) Y D) t0 L8 {2 P# I; C! O4 r& T9 V
to do-business
* M6 C5 H. C" {4 F+ W6 i- s7 h( o* Y ?" ?4 q7 J1 w$ @+ U7 n
' R8 _8 z! i) n# Drt random 360+ ~- c; W5 \1 H
) a: j( u. q( _fd 1
8 N ^9 R+ G! ]2 ] k5 o' H! ^6 k
" ^+ ^! ^. T9 @' V* x2 k3 d- ]' {* yifelse(other turtles-here != nobody)[( ]! A! G' E+ o! C# V
$ m, u* u5 _! X5 K" c3 m6 J& vset customer one-of other turtles-here" ]& A& v7 _- C; ~/ u
% V* Z/ L( f& }: D
;; set [customer] of customer myself0 l: Y0 C% Y0 q1 {) v5 ~8 ?
- S* V% `. W1 H& x5 _4 B; t+ I ]set [trade-record-one] of self item (([who] of customer) - 1)+ ]- [& D- O! G
[trade-record-all]of self
; o6 q7 Q" h' O0 T9 S;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self$ [6 \. _+ U% ^" ^3 l6 y: a
8 P$ h* ?7 n% W* U; a
set [trade-record-one] of customer item (([who] of self) - 1)6 z4 k& T8 [2 p% _- p' Y* S4 ^8 W
[trade-record-all]of customer; U% b8 [2 K& C) Z, ~
* }( Z8 a: ~7 P+ m! q B0 o
set [trade-record-one-len] of self length [trade-record-one] of self; |3 o" `; C2 r# l8 @6 Q
+ n# L4 z s+ i& P" {
set trade-record-current( list (timer) (random money-upper-limit))
0 p1 D; N) j4 g9 k7 v( Z4 \ \2 f2 V" R' ?* f0 E
ask self [do-trust]+ j3 [' I# `' R; [0 \9 H. m* y
;;先求i对j的信任度1 ^$ L6 H, s% o# |8 i
) R) X- k# Y0 x" ^
if ([trust-ok] of self)
' S, K& `& r! _; C;;根据i对j的信任度来决定是否与j进行交易[' c! y# e2 M/ m1 X5 c/ t$ I
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
y( k3 m- q! {" B* I% D! g7 [% N1 \5 I4 M$ Q: d% X
[, I) t$ I( M9 T1 Z2 q Y: _
( E" U- D p2 F5 @1 \ W& e
do-trade
- R" H- L* ?; C, ?
6 Q! g2 f/ i9 n5 E$ A [update-credibility-ijl
: {4 w) f0 k" u) v O( `3 j9 V6 k+ f9 d Z7 }9 Y# w. t7 o/ A0 T, w
update-credibility-list
. t# m& ]% w/ g7 k, F: Q* M9 N) m" I z% b$ U# Y
0 b- n8 M( D) t5 x
update-global-reputation-list9 ~ c0 {5 S, s% i
4 G @9 X" U; v' ~6 bpoll-class
" _* |/ c/ P3 h( N# ]6 E
/ [4 w3 w! C1 H/ Q @get-color
2 a! z4 Y ~: q9 B
: m0 U I2 v1 z2 g+ I! F]]! _' a. v' U, n. g! _0 H& l
; S) |8 q7 }" H+ W
;;如果所得的信任度满足条件,则进行交易
; Z6 y" g( F X% }) p2 q- e6 s2 t
: R! z# P: j9 E! U" h. l[
$ E9 H; G9 u. h+ c! a6 p8 O {+ d9 r# ]8 Y* v( _
rt random 360
; {1 ^# a) S/ k& Y: v/ `# J8 n' w* ?8 b$ x) ]5 J
fd 1
' W. {+ K7 S" U' P1 {1 ^* z2 t5 M: `5 E7 {8 W
]; s2 z+ X( }# h S9 w
; R; O7 `0 t4 A; R
end
- b7 s' \! j+ D. s2 E# D5 z
. s, f6 X" k. u' P! Y* [3 L3 h+ uto do-trust
% V# }3 L4 F; I1 D& e7 {set trust-ok False
2 ]" ~% n3 `! I% B: M0 h* c) g _$ \0 ]" l- z
$ n N, G2 j1 O7 `6 ulet max-trade-times 0+ @+ d6 N. C2 _$ S h
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]+ h! x9 j; |0 Q. w0 Q
let max-trade-money 0
( {7 M: @& M/ r e* i; Y' A+ Eforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
+ \/ V: @0 V I# U+ H3 zlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
+ s6 E! L* d3 {" j0 a5 J
) T+ {$ s6 x! N* N6 {8 q8 z% F
5 z: G: @$ @4 K* g: Uget-global-proportion
2 R1 i+ j2 m! r+ w7 M, }let trust-value9 |% k/ I6 V& n
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)- J# j6 }9 ~! y
if(trust-value > trade-trust-value)6 a/ S) C' [ |' d
[set trust-ok true]
9 x O' D/ g0 x4 X E3 oend8 J u( Y6 h' D8 U; Y* N9 P
. j" M" {$ f$ |$ E" Y
to get-global-proportion
/ o- o! t5 n9 |4 D7 S4 } e4 ]' Nifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)+ K3 e- G' }$ m0 n
[set global-proportion 0]2 D: b# N" @' s- b- x' B/ c
[let i 0" d0 H3 m9 `' K9 M
let sum-money 00 {! f, L# i* G7 G0 s) [, K" y
while[ i < people]
, n9 p6 X. W" {[
; Q/ q u! ^2 G N6 iif( length (item i5 ?2 G4 p- i% V
[trade-record-all] of customer) > 3 )/ e6 ~# x# x# N& v
[
9 \, r1 h6 J% C+ hset sum-money (sum-money + item 2(item i [trade-record-all] of myself))+ u* ?( a! l) e( Z/ N8 J
]% p% D2 N. ], J: V+ F
]. H. [6 f) M1 a) f( I t# G
let j 0$ d( D2 R# P' U7 n
let note 0+ R2 t; @) f) p
while[ j < people]
* f; g1 O% F9 @6 m6 v0 R' a+ ~0 Y[7 L5 N2 O( G8 D! B2 [* G2 m
if( length (item i; U6 X- [" d8 N6 `
[trade-record-all] of customer) > 3 )5 ~3 d0 c5 B- q1 s
[8 z: a) \8 ~% T
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
0 V7 c7 [% e3 M' F3 G& G# k- S[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]5 R5 @9 B2 E3 [
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]6 l+ K I9 [0 T/ D- J1 f
]2 o& W5 a( x; k
]& K4 S: G5 U: T
set global-proportion note
8 @1 W# |' U* I6 ~6 B6 X]
+ |( f- S+ C2 D; F) ~, tend# }9 V- w( _% o, m2 y1 f
1 p" F6 s8 ^% U/ I5 L; A/ y/ [to do-trade5 _, q: N% C, C8 {4 W
;;这个过程实际上是给双方作出评价的过程0 ^: T5 _, m5 }% a) J
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价- o% x( x% U* E; O; G+ ~; K, R! s
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价- F5 T/ Y, ~( x; b! J; o, O" z# V
set trade-record-current lput(timer) trade-record-current9 G* t1 l2 ~! W# ?# ^; U. @! S
;;评价时间
* Z; _, c' V# A& Z! B; xask myself [
- |$ f- P! s' @& {/ q' kupdate-local-reputation+ I8 Y- r& L/ C: X$ j! v
set trade-record-current lput([local-reputation] of myself) trade-record-current2 A% B* L; _$ x' [: f
]
) X& m* i: ~6 C. Vset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself' l% Y8 W3 J5 `
;;将此次交易的记录加入到trade-record-one中
) e0 q" T8 r" d8 G' {set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
0 j& D2 d0 j8 g$ {let note (item 2 trade-record-current )! j$ F* ~& N+ a6 Y" ^3 q6 V
set trade-record-current
' H7 W* ]4 l. O; v0 r# R' ?+ j3 x(replace-item 2 trade-record-current (item 3 trade-record-current))
6 b" G7 N# ]# U) ^8 W ^set trade-record-current
4 {6 d7 J5 o. D6 `# k(replace-item 3 trade-record-current note)( z) r) D0 M! l7 ^
3 C, o& [" c$ K1 W; u" z. d
8 N7 c4 ^+ s" ]& c0 q. Qask customer [
! d# p5 l# K; k) Yupdate-local-reputation3 p& H8 B3 e7 D3 }/ K+ w
set trade-record-current
& P, x G. ?7 r: c- T! T% b) G4 H(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
. E2 W5 s* O' D& J]( I$ T. Y; Q$ K+ Z7 i
& N: I/ M6 ?6 {; o9 z
0 d3 R; n' ?4 n' iset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer2 X7 b' S7 N4 c: ~' @) g
% J/ f8 N9 k9 H1 N7 _( f9 u, |set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
3 S& v, J* @3 t1 ]; v+ Z) h# S;;将此次交易的记录加入到customer的trade-record-all中$ H0 `. l2 ]4 x w6 o
end% c8 l4 z5 F7 [$ z R
! L4 T: g" ^) M6 H7 {- qto update-local-reputation
. b: m# j u! @ D3 Oset [trade-record-one-len] of myself length [trade-record-one] of myself6 Y" b! X, B; f3 d
H4 v/ r) O2 h
4 `# F% A" I7 c! W5 p;;if [trade-record-one-len] of myself > 3 : p0 {5 X+ `/ z: C4 s! q" S2 [
update-neighbor-total
; R( q+ r+ E% Y; I* J# d: i;;更新邻居节点的数目,在此进行/ W+ k" _" C5 o* d/ @; H$ _! W
let i 3
/ O6 `0 U" D$ j& ^8 N* H6 ulet sum-time 0- D9 _/ O' ]: s
while[i < [trade-record-one-len] of myself]$ `& z4 w0 W4 _% S6 Z" V
[7 A" V/ m" f: G4 ]; L
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
# S: G/ g) Z x2 zset i K. \1 s# P/ G9 ?
( i + 1)
# a" u- T; _/ O+ i]
. o0 A4 @( A" `/ E5 j: o0 z( tlet j 3. L5 q, c% N: B" E* w0 w
let sum-money 0
* [2 k3 e) o1 zwhile[j < [trade-record-one-len] of myself]
* u9 G W/ l1 H9 e+ s" H- W* t3 O[2 F- O& F! c- X2 S" 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)9 G3 X' I3 H3 W
set j% {( d, Q9 [9 A
( j + 1)
# e# _* T; ?/ ^1 L/ W; ]/ v]8 J8 H( x( t" a
let k 3
( G6 J+ d! q llet power 0
* j" Z' d8 p% Y/ _5 e2 h0 jlet local 09 p& s9 t# k) I
while [k <[trade-record-one-len] of myself]
& Z! e4 J3 O; J# _0 P0 B[& A" o9 J1 T; y7 u
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) ' A7 M. {- h4 B6 `$ ^' b5 Y2 [
set k (k + 1)9 c. S7 @* N3 e
]
$ c, }, ?6 S% ?) \+ q( Cset [local-reputation] of myself (local)
! c( C3 s" _* x- s, ?end9 R& g; v& y' S, G0 E/ [9 s
& D. x4 Q% r. p+ g# j0 D; hto update-neighbor-total
$ [$ u& o! @# j* Q( k2 ]
4 z) ^: R0 }9 X# W z0 ?if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]3 P( Y' f8 ^3 S; I: k# z
6 z' j! r' `) d) h8 x
& m" H) q M! D" p0 `end
5 I: t; d; H& {7 _3 a8 |5 l. @. u
* l; `/ R7 P( o9 s! W; }to update-credibility-ijl # B1 m5 y+ G* o, _% B
9 }8 }" I; F& G5 h
;;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。
6 Z/ r* C6 C" X P. Clet l 0
+ n( I$ ?6 q s+ Y5 U* O y. Fwhile[ l < people ]
& T2 t- ?" J8 b' _;;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
+ e: Q1 d2 H. }) q[* h1 i' ~4 C- `& I" B# @
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)7 l8 ]7 C3 ?, {- e2 E6 K( @5 N" `8 ~
if (trade-record-one-j-l-len > 3), ]1 H. I; S: o. b
[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+ {5 h, q* K, M
let i 3, {' R# ?$ R# F* F
let sum-time 0
$ {0 f8 e" K2 p& fwhile[i < trade-record-one-len]
; f: m4 @+ C* _+ u& U[4 e: R0 ?( D& A1 O$ J5 S
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )6 W7 j$ W2 o4 P1 A
set i) ?2 P) U1 H+ T3 h* c3 ]
( i + 1)
6 p5 S$ N$ J8 z! ?$ I" ~]
+ D9 z# H$ @, h% @0 I3 R7 ilet credibility-i-j-l 0, B6 e m# O j; T, r
;;i评价(j对jl的评价)& N" _3 l9 C+ b" ^
let j 3
/ S$ a. l0 n4 k1 U0 E& A* j' Tlet k 4( R0 {1 `- \+ D5 C8 X R# R2 N
while[j < trade-record-one-len]# A! H4 J& s% _+ x3 J1 t, [7 Y
[
0 T: b1 N( w( H. M0 h5 E$ uwhile [((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( I% \- ^# i0 A. g3 l' l
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)& S+ R- Z, s; I# C/ o1 E
set j! P! K3 v& b8 f. g
( j + 1)
" @+ @5 g* C: x]
7 z0 a6 A! k* y, k" q% D, Tset [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 [' V+ T3 x: k0 \1 H, ]" _' @: q3 N5 s3 |
, A N) {6 R! k0 Z* O n% }
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)): Q L4 e$ U% t) }
;;及时更新i对l的评价质量的评价
/ Q% p) s5 F4 x! i; wset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]; r9 U+ K( h! v! n# f' I' j: d
set l (l + 1): V. s7 v" S9 n$ [! A
]
, t# f S1 a% T. B6 q/ `end
" j- j4 _$ }& A: v/ {+ k9 H. F H1 C- k3 c c/ x
to update-credibility-list* J5 Z2 s. [- X% W4 e* Q
let i 0: |, M0 R3 n5 ^: l
while[i < people]7 ]2 g& U4 [. B+ `( C& x' p+ U
[. D% D; z2 M5 r' T8 A$ a: F
let j 0
9 p8 Q, W7 n# x0 {( C6 n* Clet note 0
* C& K4 e. g) l# dlet k 0
7 d( [. K$ D- m1 w- y;;计作出过评价的邻居节点的数目
- M3 \. e0 A7 ]: k( f! bwhile[j < people]
0 p# ~" r" ~/ J7 z[
) o: U t" q# B5 ?; [0 Bif (item j( [credibility] of turtle (i + 1)) != -1)' W2 f; ?' }. x) {
;;判断是否给本turtle的评价质量做出过评价的节点$ P5 |, Y% g* o: h% k% s D. ?; L
[set note (note + item j ([credibility]of turtle (i + 1)))2 K+ p+ j l5 H
;;*(exp (-(people - 2)))/(people - 2))]; |6 Q! e" W" ]
set k (k + 1)
) D% _, r$ L' u! T( r" |]+ q" G3 m; f/ i: {* ~
set j (j + 1)
! o0 |% U+ X) f& ~( _" t]
" D/ C4 m) p% } O: {set note (note *(exp (- (1 / k)))/ k)+ H8 r, ^7 t& N
set credibility-list (replace-item i credibility-list note)
; o9 I' z" I% r U4 |set i (i + 1)
8 ?: h' W( E" _7 L6 k- A]5 d2 g+ E" w7 m
end) l# V! |. j. F. K# [ H
2 ]9 r g }7 {3 I
to update-global-reputation-list
6 k& o; ?2 K; ]2 w% D6 C4 elet j 0) R1 Y# b( P; h+ K" G* M6 Y! J9 ^
while[j < people]
/ w8 a% U' B4 C- v$ @# x: e[1 h1 d& Q" d: S9 J7 B U# I( ~
let new 0, Q4 F5 ~6 W: \' J& x' f6 R$ Z
;;暂存新的一个全局声誉# m- r" {) ^* E2 ^( a, R+ R
let i 0
9 O; L" w2 @. Clet sum-money 0
* P% I% J, Z: m- y* w2 nlet credibility-money 0
9 O# H% d# X/ d; K* |, W `* r) w8 fwhile [i < people]' O2 W( i1 B* y5 b# Y. e6 x d/ h
[! {# M9 Q0 x I4 j+ \* p
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
- F- K3 _" m3 _+ _( Fset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
' r" ~6 l% A# F6 t# Eset i (i + 1)
5 w+ G; H* D4 U% J9 A]
- G z. f- d# g% G1 V7 ?let k 0; ]: \1 }+ H: z7 X& H
let new1 0
6 }3 r3 J5 q# X+ o. V) ^, e4 I8 Awhile [k < people]3 y+ w" f) q# G) A% Q# V
[+ o6 | h" e0 M8 Q0 |
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 a5 ? k" ]+ ]" x+ \
set k (k + 1)( }) e& N) o, S) y1 W$ V8 E
] Y) e) C0 t9 S
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
6 C9 D) P: ]" ?( B1 o% Jset global-reputation-list (replace-item j global-reputation-list new)
2 m# [7 |3 [# W0 `- l# iset j (j + 1)( q4 Y+ X3 u* T7 M% C# y- i8 G; z
]" C( y2 R$ H6 S- D( X- I
end
) ?6 n$ Q" S3 f9 x5 z3 J( Q8 h! q& a! f; `/ y8 b
; k g O2 L6 M# i7 i9 D5 i
7 T: q4 Y g1 t/ p3 {
to get-color: q, w3 n+ i: J! H
$ d% ^! T1 i9 t
set color blue+ {* g e L: W3 c; C) x- c# c# _
end
6 v7 N' v2 B* ]% P3 N% W3 C* g* E- F! s3 t0 ~# A% P& J
to poll-class/ f9 a% x, @* b7 y
end
9 q0 {# A5 o4 i! [) V7 c5 n& m: ~
6 p9 b1 D6 G9 kto setup-plot10 G4 n* J! `7 p
" z& K# ?6 }7 Z; T8 P3 E+ oset-current-plot "Trends-of-Local-reputation"3 B# e, {' D+ e! H* V( `* D
5 b1 w6 Q, k) d' Q/ f
set-plot-x-range 0 xmax6 m3 h1 [) B* j* M: t
, ?) {5 j5 r4 e1 {) e
set-plot-y-range 0.0 ymax# E: Q) K/ [" J# O( z: l! m
end/ z1 I7 a2 }1 r) D$ Z1 O7 S p
9 s4 e) f" R4 G2 V" v/ mto setup-plot2
9 t( p; x& x+ n* V- d* i$ q7 ^6 r: z& f* l! F' B$ ]: Z! P9 Q7 L
set-current-plot "Trends-of-global-reputation"9 t# j0 j5 d9 ]/ L Q4 [* Z+ P
) `( W3 c" e0 V) D" H* Jset-plot-x-range 0 xmax
- Z1 S+ W) [; |" w7 R; T
, V; V' c$ E) I# m7 |) bset-plot-y-range 0.0 ymax$ \0 G# S9 s2 V! V# L
end+ G/ u9 @7 a( v8 }! Q# G
* W+ D6 P4 Q; i h4 O' x/ ^
to setup-plot3
- s; ` i6 k4 d3 E8 q' A+ ?. N! y5 x' B0 x
set-current-plot "Trends-of-credibility"3 T& [" D2 ]0 z7 j0 _+ e0 o: F1 h3 s
9 \4 \* v& O" ^& q& d, L( |, y' e
set-plot-x-range 0 xmax
7 \; z: q5 u7 I# }' p/ v, h5 B% D3 ]% f
set-plot-y-range 0.0 ymax
& P5 \9 M5 Q( ^$ G7 p+ G$ \9 u7 Wend1 e7 L4 J2 k: m7 j; [" A1 F
' J- v# s* Z* N D4 i5 Yto do-plots
$ j; R' c" A. Z5 E1 a' q$ Uset-current-plot "Trends-of-Local-reputation"
5 r4 j$ x. @$ A) Oset-current-plot-pen "Honest service"9 R) [+ q K/ A& w9 i5 n* ^
end
, u4 G. x9 s) y. j" o% H) m+ O1 d4 H' n- w0 J5 `2 g
[ 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
|