|
|

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
8 X( X- x: q' o* E/ oglobals[" z$ L8 W" i5 [
xmax
7 C9 V7 r/ C) s: c+ H. xymax& U8 x/ M& }8 z2 [+ y; i2 l' u
global-reputation-list; t) f% y: n+ m8 }
. V4 `+ R. ]& I( S. H2 Q6 ~;;每一个turtle的全局声誉都存在此LIST中6 z3 d, Q9 X* u
credibility-list
5 D/ {0 t' L- B0 Y: s. `;;每一个turtle的评价可信度5 B9 G* F2 l. n2 q# r
honest-service
! @% w$ t1 U. K0 Munhonest-service$ h3 Y- M4 S& F
oscillation
: R8 d" F, r1 `+ R( R% @# e+ r* trand-dynamic% S, q; @/ @* T! e9 }& O
]
7 N4 C0 {: a: n6 W2 ^- S0 T0 B# D' L9 k
turtles-own[/ u% J! ~9 k6 X; q# b
trade-record-all; X4 b% V( W7 I3 ?2 e+ V
;;a list of lists,由trade-record-one组成) d% B9 T4 e N/ w, y* J+ h3 }& n0 F
trade-record-one f! W9 {; |& }2 o. V, e
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录; |' h3 \$ R+ {. k7 F8 c4 e' [& \
6 \( n$ E/ \$ {* ?" p4 Z;;[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]]
7 C4 o5 Z' W8 k# Btrade-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 E3 f8 H7 \0 d- I4 P3 S$ K& K% W) i
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
) ]0 t3 u L A, [/ h) Q* \neighbor-total4 K' [9 e; ?9 i1 k
;;记录该turtle的邻居节点的数目
1 ~9 Q2 v j$ `! O0 ntrade-time
5 W. [6 _/ g! {" M i;;当前发生交易的turtle的交易时间4 t* n/ ]$ K4 i* J
appraise-give: N5 S6 ~' X2 l6 h- ~
;;当前发生交易时给出的评价
: B8 Y4 b+ a1 Q/ G% t, Y# k! `$ `appraise-receive( q( ]5 E0 a+ B; W: U5 j: F" ]. ^
;;当前发生交易时收到的评价& d; k" F# w* n5 Z! a9 I
appraise-time
9 u% t; O- e3 A& U;;当前发生交易时的评价时间
- u# d5 m6 s' N( D' dlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
! N7 I/ \0 R4 S, W' K) ^4 Mtrade-times-total
0 G4 ?/ ]% k, u5 e7 y! Q* O" k;;与当前turtle的交易总次数
' Q7 t6 f U @. U o. Ftrade-money-total6 {" {! o8 m1 Y( y [) o; _! u
;;与当前turtle的交易总金额0 _* |; t! o) ]) w+ a8 _
local-reputation
" V% K k3 q5 C7 V8 z3 B$ Rglobal-reputation
8 a. J r* c: d% pcredibility; L a( m3 U' H4 D
;;评价可信度,每次交易后都需要更新5 q% v: b7 N' l6 n( P+ R( V
credibility-all0 D/ i8 L0 r$ v7 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
& O4 e* F! `0 x5 ]" t: E- k
f) z' E* j! e/ u;;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* y, r' K/ H& }* A. [; s0 A$ R
credibility-one/ R# Z* x B# `% V! ~+ s
;;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
" ~8 h: n8 Y/ J( ^1 Aglobal-proportion/ u) ~' d1 |4 S1 [8 v
customer
* \; Z5 R9 X" Acustomer-no( v/ S* B- B2 i( k6 X3 C( m
trust-ok5 m2 }7 y" p, z4 E
trade-record-one-len;;trade-record-one的长度! u# E6 g% N0 K8 I, J- F! _
]/ K& C) {$ W3 M. ?
+ l* G2 h" Q9 d% Z;;setup procedure
/ k. i( [. A4 |" p, T, f6 q. z+ y0 f$ b0 E( L. c5 O
to setup
4 x! `* S6 `8 G; ?# r; y8 Q
N" {1 L4 e/ v) Ica
0 ? R2 L# C4 x4 h% X0 ~3 b+ k; g- @/ U" r! D9 H Z
initialize-settings6 x+ l7 P3 A! X4 W. s+ y* ^
1 Z# I S- u& }' G: mcrt people [setup-turtles]
! H6 h) J/ I1 M# g/ f! S1 e, v. L' m- s
reset-timer1 Q$ S5 ?! {+ G9 i
& O: q8 D* t& i) j4 e& @9 @poll-class. _# q1 G% d" V5 n4 i B
1 [- p6 ~$ d9 ]3 V7 S3 f- L. Bsetup-plots
& H3 \" |* R+ J% G1 \! M. z/ D+ b8 ~& P$ k
do-plots
) ~, G# P# m' e! k( }7 @end
2 o. t) H$ H% l6 D3 S+ g$ x, _. y- D& f8 |8 f# k
to initialize-settings
1 {* t1 z7 L5 R' t) v0 ?1 p2 x) R. [5 v0 R$ I+ s
set global-reputation-list []
, @6 _: c5 k& ^1 y' d( e* |. h% _5 o( F# H6 \) [, H
set credibility-list n-values people [0.5]( f) v+ T8 o6 G( R
9 S2 }2 Q; N( Y1 ~: \set honest-service 00 Z7 }1 ~! ^) d6 C& a* D' {) w
" t1 D8 p" B1 O$ zset unhonest-service 02 }& D4 P) p9 Y4 B
J% q) }! c, c9 p7 Zset oscillation 0
, b) v- _+ h' U" O. Q+ p
7 X. L% T; L% V8 g4 Rset rand-dynamic 01 C* P6 }3 y. w( K# Y) o
end- Y/ A1 T" }9 J' V, H* n4 E8 J3 q
: u7 ]8 D4 J; e# B+ [to setup-turtles 7 N. f* F# U2 W/ ~
set shape "person"
) X6 c3 W& G9 }+ d- H Dsetxy random-xcor random-ycor2 |# b9 H/ V) `- o, ~4 s' @6 Z
set trade-record-one []
! @5 f8 j! n) v, z( [; q2 S3 s4 i$ }& c' L& i. |( t" b2 O: I
set trade-record-all n-values people [(list (? + 1) 0 0)]
) B+ k9 Y* h2 u2 m% V b( @- f' q4 ^
set trade-record-current []" C0 U. ~$ J* C2 w
set credibility-receive []
. B' h1 s I$ {! pset local-reputation 0.5/ p; a9 `) H3 ?9 X
set neighbor-total 0
3 E' X6 O3 p' Gset trade-times-total 0
X/ k3 S' {+ y d2 aset trade-money-total 0
4 W% b, O2 E, p- S- wset customer nobody! o$ @# N3 H/ n! |6 y1 I
set credibility-all n-values people [creat-credibility]
B# O) R- I' ]. K. E* @* G/ Fset credibility n-values people [-1]# W" z& C4 `7 _6 C
get-color: J, Y1 I+ Y6 q5 e' R
" i9 H( W* A" b$ {4 n
end9 O0 r$ H; `# ~7 j4 B! i% f( O
; O2 X7 K+ v& V4 V9 W; z1 Dto-report creat-credibility/ c4 x% j# n! `: J+ K4 ^
report n-values people [0.5]2 K! w. R4 `: L
end h2 X0 r" c0 A" g
% G5 v& I* T% c1 U6 Y3 k* ~- @. f/ d/ kto setup-plots: x0 s4 z) O, N$ I) C# d$ ~ p
2 ^1 ^; Y* v% t2 ?7 o# E7 h
set xmax 30
( t5 K" o4 C1 L" N b. v0 `( p! M, u; n4 ^
set ymax 1.0+ }6 ]! N+ f& T' ?1 z2 v
% }. S& h3 {( Bclear-all-plots
( [5 k' O" D2 p2 I; H7 C: `& y$ f8 I& l5 b* o: |
setup-plot1
3 G, O8 a3 t& f# N
( n8 T) m5 a0 g9 a: C/ psetup-plot2
9 e, j3 B7 \$ D3 d2 A0 R' d8 Q' \, M- ~ J$ ~& M
setup-plot3- z( r6 S* n/ E% K* C1 r
end* w9 _3 X. l$ b) g8 @2 b' }
. ~+ F# z1 J& M;;run time procedures& P9 p" F# v, V' M: P" c
6 w9 G; o" E3 y* ^to go
9 l% V0 T% \3 k9 F X E3 W6 }# O+ u. O# s( k6 ]
ask turtles [do-business]
( k# u0 m D6 ?/ X" J$ S! c1 cend$ W, I, D/ s$ o) t I- D9 f
) j& w& j& L+ e# ?to do-business 9 i) |' N2 H: d) I
# K5 n/ i+ L! \; U' G) ?/ i, p1 e2 \& k
rt random 360
* v9 U, ?; A# F) S8 V
5 S7 h3 V3 @" w A0 nfd 1
( Z- x5 E8 `! W7 s5 `- O6 Y% {0 C. D+ z v; D% [( y; _6 R
ifelse(other turtles-here != nobody)[, R) X( M& C( I
: `4 [. L w Uset customer one-of other turtles-here% `! M3 y0 ~- T
$ G+ Y9 I/ S. v;; set [customer] of customer myself
! F& Z' a+ h, z: \. A
, n* H7 O& ?5 S+ t. w2 xset [trade-record-one] of self item (([who] of customer) - 1)
0 B( E5 {7 j7 k. g[trade-record-all]of self: [' n" f1 R. \
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
5 ?1 @# _& I- r. E0 X8 U) W# T( O) Y5 O: ~0 |
set [trade-record-one] of customer item (([who] of self) - 1)
- E) m9 k" I7 ], u( c[trade-record-all]of customer
. o7 F/ d1 s# }/ N1 I8 W! J. Y7 H7 c
set [trade-record-one-len] of self length [trade-record-one] of self
" `! R1 p* z& n8 j8 `3 i
5 f5 i. `- w& _) y p7 x8 k" b$ V, Sset trade-record-current( list (timer) (random money-upper-limit))
6 V6 J( u; W) l+ f4 ]+ Z. K* r9 M6 P0 z. C+ Q# o3 m% [ n P
ask self [do-trust]7 z! e Z' s* c3 I F
;;先求i对j的信任度
& d: `+ v/ q% p* J% u0 n; s4 Y$ C2 h; f* f$ N3 z
if ([trust-ok] of self)" u2 ?; S( u8 x: V! l0 e( }
;;根据i对j的信任度来决定是否与j进行交易[! J! I* u4 [% y1 h( }! v6 Z
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself) \8 k' f2 f, D0 c _
) X- k q2 k8 m1 L" M0 r
[
5 q* g9 ?2 n6 v4 V, `. ^) g
& ? C' l& ^% M vdo-trade
/ b8 }/ K$ O8 |* A& P) r' h! M% Z# r6 v2 T" f0 j/ G3 N% \5 P
update-credibility-ijl
% r1 h+ n& n1 h2 n8 T$ w% g8 U& w3 Z
update-credibility-list
8 q) j4 y0 l9 r" i- @9 o* O- U/ ?
7 {4 o! p. R/ u! U! U
* u; m [- [2 m; |7 N: Mupdate-global-reputation-list
) T# @# q4 c. s
# Y# ]2 D. ]- Lpoll-class
5 j' N. d9 G$ `5 [, J6 `1 b) z3 I' z" R5 x
get-color
; o2 N1 d) h0 A4 b' c1 ]" r. [8 s" f$ F) c& t* O
]] l+ ~1 T+ u+ z+ R2 x: P
* T; J) T1 r% k
;;如果所得的信任度满足条件,则进行交易
0 z/ F! |, o$ j, p+ |5 H3 t) }. T; q* E5 {% V
[
# j) J" R, O# K, p$ x; L* L. r
+ |: f/ W9 i) o+ a' b7 Grt random 360" ]" R! K4 e* z7 F! c, ^8 {4 w
. M+ u9 T4 L2 ~) {- V- T+ p& yfd 1
. N$ N7 ~/ z$ H$ ], \
0 m. R- B3 L' J8 z# p" e1 t4 {3 w* V]! L1 L: M M1 I- ?$ u. ?' L
; t5 r" j* _, _9 ~4 N% p: j# U% x
end
! v* @/ H9 I @" _1 w9 M- v' {
4 F' F% J+ t p$ R1 L& |$ G7 wto do-trust
# h8 Z* |8 |; q w2 rset trust-ok False1 ~- C" O/ N3 a4 i8 K$ A Z2 g
4 V& [( E [; K; u% o4 }- y2 F: S, U, R1 g! U
let max-trade-times 0) r5 q' Z* N* A$ R4 @1 J; @
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
; y0 `9 x9 i( W; g2 B6 F! J6 vlet max-trade-money 03 n, J: B: F( f( z; s2 T* o" Z
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]$ ]9 {+ O2 D- s0 I
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
3 p. t& @* D3 \. X) j) J5 r Z( z5 e( }- G; D
$ _% {9 }1 Y5 b+ L7 T! G6 ~get-global-proportion
5 T6 ^- a; u8 tlet trust-value# c$ s L" A$ c' l1 q
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)+ r+ W* l( N. J ~% c$ h8 [/ N
if(trust-value > trade-trust-value), a% M+ s9 v. ]8 S
[set trust-ok true]5 n( j( A# W( c; G
end
, M; f. }- J) [' r4 S+ v2 C0 c c+ a s I7 i' O+ @+ |& Y
to get-global-proportion
) H0 o) l, E7 tifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: D5 G$ Z( D9 S) j2 {$ R# p9 b[set global-proportion 0]% c* h' L0 B F9 Z: x O+ a
[let i 0
4 x$ J7 b; `+ s1 xlet sum-money 06 X0 z1 r4 R! t# H4 H8 G& b r+ G+ w* N
while[ i < people]
+ W. {( N! e4 e) M[
6 v8 l2 U0 y: Y. t! j vif( length (item i
+ d5 H( F Z7 w+ V6 @; Q! @) J% N[trade-record-all] of customer) > 3 )& W) C8 Z5 c- O0 {% ^; c _& J
[# c! _2 O* N6 F8 A5 G$ y- e
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
! c# v- K% G" M7 O# _2 J% s' G]
: A) Z6 L6 c' ~' O) q) e$ U9 P]+ S b% @$ }, C$ f" W
let j 0/ z" \! h9 T" f$ z0 _* J8 e
let note 0, O* ]+ c7 ]6 T3 D! D
while[ j < people]0 ?! f2 _ G }2 J* a- G
[
( ]% H) r! f4 O/ zif( length (item i& m: Q4 | _- ^& m- ]' u$ s
[trade-record-all] of customer) > 3 )
0 p8 u: ^3 p4 A2 x[
- x% w( b4 I9 S( Rifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
: E5 o! y0 h$ E0 k p/ H[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
+ L3 j! q _" m7 r' |4 Z/ X[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
/ v9 `/ O# G3 R& o9 M]
1 x$ }" N( l3 W]1 [& a8 x! c. M3 l, o! a1 H m7 k
set global-proportion note* g: i+ S4 _5 a( H
]/ \6 F, l$ e) R8 j4 d
end8 d e" C2 J7 e" J2 Q
5 c3 z" I& z' uto do-trade
3 E8 `) c: v! c: f/ n% X/ z7 R, E;;这个过程实际上是给双方作出评价的过程
, _/ T* ?- L8 W! O/ } `set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
8 U3 c# J* \0 n8 x( u# w. uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价8 Q8 ^" v/ x, x& E7 r$ I0 c, M
set trade-record-current lput(timer) trade-record-current
8 z, ], h _" ?* j' v;;评价时间
2 x8 M& z6 V; i, H0 c2 b* Fask myself [' Y1 |5 \( a6 Z8 V4 l
update-local-reputation% A( a, `6 |1 o. c; F# O
set trade-record-current lput([local-reputation] of myself) trade-record-current
* l- Q w9 C3 r]
3 x5 Q! a. m2 N1 w4 ]6 m" sset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself3 W9 E2 h/ f% W7 L; s) Q
;;将此次交易的记录加入到trade-record-one中
' q; F5 g5 Z/ I2 M8 W. x2 _0 [set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
- }3 F1 ~& {* Z4 Z* Qlet note (item 2 trade-record-current )
- Z3 Y8 M! G; Q7 G9 e1 _set trade-record-current
4 {6 b9 y5 x, B0 T6 @5 q(replace-item 2 trade-record-current (item 3 trade-record-current))/ j" K- p- u, O9 j% e
set trade-record-current
3 T+ ]6 O w3 p- y& N0 C(replace-item 3 trade-record-current note)6 Q: L& w* S. R; R
0 K+ V& I' w, k+ i
6 y8 y/ O% w L) i
ask customer [5 S: `) `' l: R5 B2 D6 W
update-local-reputation( ?3 q' G$ w' B f9 b! v
set trade-record-current9 P% w& B: S7 U
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 7 A( M' H+ X# }* N, K& O' t) v
]
& W. s* Y; ^7 W& v8 X6 X6 M5 \4 B: ~$ ]! u6 d; ?5 I- o; u
1 q( L# @9 J2 _( Xset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
' V2 k7 v5 ~/ P9 k& {$ s1 C& K" W' G+ N- ]7 ?
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
/ l/ O9 X. r. w; H2 q& c4 T6 Y5 v;;将此次交易的记录加入到customer的trade-record-all中
8 ]4 i) s5 K6 N' B& n7 g6 G# jend$ ~3 I: P$ v8 L; U) \
E+ k& s$ [+ h& L- t
to update-local-reputation3 @5 T0 U: z4 I
set [trade-record-one-len] of myself length [trade-record-one] of myself1 |! n- _$ W: L0 O$ ?* w
' W( c9 x$ i+ C8 h. g$ E& d# S( b6 S1 y( f
;;if [trade-record-one-len] of myself > 3
4 p! f) i1 @; t8 N1 m( }" R! T7 Cupdate-neighbor-total4 R1 l# ^) j, C" ~3 d4 F# l
;;更新邻居节点的数目,在此进行
( F* u8 N5 W. k& |, y4 qlet i 3* M4 J/ S* }9 B$ ?6 X
let sum-time 0
_& S0 e' ?' ^while[i < [trade-record-one-len] of myself]
! Z/ f" A+ U* l3 @. j[
8 n9 B5 q2 R4 }9 u7 Xset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )1 Z: O; v& }/ Z7 O7 ]. D+ W
set i
$ H \: v) O: s# D( i + 1)# V6 m7 V, C2 C
]3 u4 b L/ n: h
let j 3
' j$ r! @( P0 G9 d" ~% Qlet sum-money 0
$ j. o6 {8 @0 V2 K# s/ ?while[j < [trade-record-one-len] of myself]
4 h& ^+ Y. p7 X[5 y& |2 R4 l* T7 \" M* B0 U
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)$ W) a7 W9 k- j' `& P$ v
set j- {; E. c7 M6 v5 \
( j + 1)
@. N1 O! w, o2 I5 d* V]* `8 G8 |2 h4 M7 Y
let k 3* {) a$ g7 }; y! J- ^. d @
let power 04 ~1 d; n ~$ L; e
let local 0# h7 A4 p |2 k; Q$ t
while [k <[trade-record-one-len] of myself]: u' H% K3 Q% z' @ [( x
[4 Q2 o( l: u* g6 t- [
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) - g a# g. T" e3 t! n+ t, u8 }, d
set k (k + 1)" I+ q- s( z. y6 `7 k. t8 q
]
$ h) N2 t- n; b# \5 m0 Tset [local-reputation] of myself (local)3 t" @( f' q; D: f; |
end
! @3 G3 Y3 \3 B4 f0 m! e, g' ^0 |8 V* m% u* h1 h+ Y9 K l
to update-neighbor-total3 B k$ W! U0 g8 h8 G
) L) q7 M8 P ?+ Zif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
2 U" H# t3 Q8 r: A4 l- }' Q3 u4 s8 S k5 a) H
2 }; x, z9 I2 K. e+ X3 G6 wend/ C2 l* ~; J" y8 h, ?) U
/ O0 Q; j8 d7 @5 Q7 ]; W
to update-credibility-ijl
5 S$ b. _- `- q1 f0 o4 R5 H; E" x) Z1 G
;;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。
D) P3 C- ]2 C. ]let l 0
5 g! F5 Z9 l* A, @6 gwhile[ l < people ]
% E& e( s5 j8 v! |/ r& ];;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8 e$ o+ u7 a, o! j, Y9 N6 Y
[ w& h9 m4 H! C) g5 r% M, O
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)% r4 N, C! @# i: W8 p: k
if (trade-record-one-j-l-len > 3)3 G- U _; b" M5 V z1 x( h
[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-one8 I/ K+ \; N& b. D% S _# ?$ i
let i 3
8 H( F( H* _5 n4 X! d/ d4 n, hlet sum-time 0 ]* j+ n5 E2 b* M$ Q0 d$ [
while[i < trade-record-one-len]
4 y5 Y; d4 X( R. Q* H[7 }( S B Z, Q9 W- R& Q! e; u1 E
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
, K, z8 V/ C$ Pset i7 t# j s k9 q4 G6 J0 [/ q
( i + 1)$ M- z/ z5 ^7 F7 v7 S4 B
]
) l5 J n N5 s" m9 clet credibility-i-j-l 0
8 X' m* M* T0 C" n0 X+ F% L;;i评价(j对jl的评价)6 S* V2 }; m$ F$ e7 h! d( W
let j 32 }( c0 T- b# `# b+ }3 q
let k 4" c) j2 b' f2 i% ~ X! @
while[j < trade-record-one-len]8 K! n! a; k% ~0 J5 V0 S" z$ N
[) R% O) U( }9 P$ X' W ?4 \4 m6 x
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
4 t. S5 [- G1 i& eset 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)
3 N6 D- a* {7 @- R2 O$ sset j
' t9 G" `# s8 V& y. t0 M( j + 1), p% R( B+ m8 q* _# ?$ b( w
]& [9 Z S( \ ^1 z V( z
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 ))
9 i, T. G2 M: ?& s5 f* d1 l3 g0 p$ W" q7 U% t3 i
0 S8 v! M1 u; M) C0 v
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))( F0 }$ J. E0 r
;;及时更新i对l的评价质量的评价. v) i9 K4 T/ f$ ?" B7 K: k
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
/ {6 S3 h( \' ~8 }% _set l (l + 1)! R) f. P7 ?/ m. g4 \! Q
]
& z- S! [7 B+ ?! V$ u: rend4 ^( n& B& w8 s1 a; {0 w
' J; {# \: ^( M m" K' [ Kto update-credibility-list' W _: l: h$ n
let i 0
) X( F# A6 D/ vwhile[i < people]' m4 j$ p# T4 z/ c
[
0 i6 @& C: {, \let j 0
; ]1 r9 q! z" t3 Mlet note 0
5 g4 e+ e: |; ]9 G2 g6 d. n8 H0 [let k 0/ g- s2 _( Q7 U/ B( a* Z5 J' \
;;计作出过评价的邻居节点的数目
8 v9 @$ W+ u& g/ q: _while[j < people]$ l% i3 U" ]- L' z. N6 L& ?9 |
[, K# q% b8 o; u) T0 u/ p; r7 z
if (item j( [credibility] of turtle (i + 1)) != -1)6 Z8 _! y4 i i& t. p/ m
;;判断是否给本turtle的评价质量做出过评价的节点4 z# T) Q/ J8 X! Z$ I% a
[set note (note + item j ([credibility]of turtle (i + 1)))
& P9 @# Y7 j* [;;*(exp (-(people - 2)))/(people - 2))]& X5 ?, G& H# x4 P N
set k (k + 1): D' Y$ A2 h i4 Y& Q
]
9 G& w- g5 P/ Y" n$ aset j (j + 1)
8 W; e5 Q7 K. `* G& m" r! T4 P]
- ]! \, z! |# C$ Sset note (note *(exp (- (1 / k)))/ k). d4 ?" L9 w( ~
set credibility-list (replace-item i credibility-list note)* ?! Q6 V6 r% ]& k5 Y1 G4 c. b) }
set i (i + 1)
- ?3 V) |9 {* P] O q( ]) Z* E5 |( ]8 A2 B
end+ S) X0 g( b: w6 X1 a
# h. ?( Y* L C5 ]) @; l/ O' ?" j Xto update-global-reputation-list
: b+ A6 }# _' C6 Wlet j 0& {1 d% w( J: p; p1 J" n
while[j < people]
- _7 o" b/ R6 z' t* \[( b) I0 ~" s7 H+ m" G
let new 0
+ k, F( X* m* C( x* V! x3 W4 x7 H;;暂存新的一个全局声誉
* I; G( O9 H& b2 |4 dlet i 0
& o' t9 k5 N/ C" ^0 x" G% P: A! ]% `let sum-money 0
) p: a1 }8 B" ~3 q7 c# q/ B( x$ M) D4 clet credibility-money 0/ j. x o) U/ _( D# Y
while [i < people]
" U: }4 I7 D& s w[ P, w$ R$ V9 _$ d
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))1 t1 v/ w y+ g; @' X+ h
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))+ B- [8 S) E6 V+ Q
set i (i + 1)
8 N. E% D& U: [9 x4 N; y* j]
0 N* R4 j7 c4 y1 C1 ?2 hlet k 0
( c- I! u, }! Z( H9 Flet new1 0
! l3 c1 I0 e; z1 c" w0 Owhile [k < people]
" Y, T4 A9 ~" R9 Y. u @[8 L+ w- v: C& h' f0 e$ a0 ~
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)
1 ]! \8 H( s1 U( T+ Aset k (k + 1)
& c+ s+ N* [$ j]
: @! P6 c* q% `( Aset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
; r5 Q9 c$ _+ m* z! Xset global-reputation-list (replace-item j global-reputation-list new)
W: ~ l) v" q/ Yset j (j + 1)
1 C- `" K. C$ B]
/ U5 {5 P' V! M. B3 nend# z4 v: M1 [5 [7 r1 D
0 z! k+ j; @3 z# X5 `, i
; t% w' s* H- D; a6 ~' R& f, Z
+ j9 f5 l* A- Y% ]2 e/ nto get-color( @. I8 U0 T9 `5 c3 u4 ]% @# N
* R) R. M7 I Q
set color blue
6 O* A) m6 O! v& f0 i4 wend6 R4 R3 f; C7 M( }
# i/ U8 N; {9 |7 h# k- f# o+ Ito poll-class- _) T4 T3 p. r) B( I
end6 d M7 T2 P& _: Q# `7 {& E& v& X" W6 X
" |/ h! j: w' n! q" Jto setup-plot12 w" K( p( F/ ? h% S: _
1 q/ a8 y& I1 ?1 T' M$ [* G5 rset-current-plot "Trends-of-Local-reputation"% \4 f9 L4 z) M' Z2 Q
, @3 x* L: x6 ~8 k+ w
set-plot-x-range 0 xmax
, M" ]; L# j$ O& |5 w
7 Y N* ] p2 I* X l9 ~set-plot-y-range 0.0 ymax
' m; K- ?2 x" z) X. x5 Uend, Z0 o" r6 V3 t8 D% a3 u2 k+ f
" ^1 c: \+ w! Q, T& Q4 vto setup-plot2: C% P M) q8 Y3 y5 W2 K5 Q
- Y0 s1 ?# S2 p {8 ^set-current-plot "Trends-of-global-reputation"
' L% r( E0 D0 U; z" C" d. p
, i( o, _4 @/ L- n, @3 L) C0 aset-plot-x-range 0 xmax$ u) R/ V' ~6 w9 [0 c( l* l+ o# l
% }8 H: F0 j4 `2 D, D/ }
set-plot-y-range 0.0 ymax5 \) [! p# H3 S- Z& G
end
7 k, C& U# N8 r7 ~% B6 _: f4 S0 `8 J+ y
to setup-plot3
. w- G* J, h9 E0 B
) [4 e5 V! i* L( ]! F/ n3 Jset-current-plot "Trends-of-credibility"$ t$ z$ R1 {" p+ b, K
9 x/ A q* Y0 ^! z5 L
set-plot-x-range 0 xmax- B9 [9 R8 Q' n6 U9 ^5 M& Z4 ~
1 ]: {2 X4 d: o# T- M. ?9 l
set-plot-y-range 0.0 ymax( Y4 C/ E) x, l: r. t
end
3 M3 ~4 Y" _0 g8 m% P: {" J, U$ V2 ]6 ^2 d. E
to do-plots# H6 `; Y8 R; I9 h4 ~9 O
set-current-plot "Trends-of-Local-reputation"4 C; B+ E. H; ^
set-current-plot-pen "Honest service"8 l' T0 t( A* O6 f8 V, _3 @
end: \1 f* V7 I. `
6 {' A0 m$ z6 M- O8 v4 F a
[ 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
|