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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
" l+ o/ J8 \: e2 T+ J. F$ Q/ aglobals[
! u6 D! `0 j/ _) hxmax
- F/ p$ C7 _1 ^4 |0 V+ |! ]ymax
2 \$ U* Y( r( m- F. `global-reputation-list
: z+ w+ j, B( q X( Y' G/ W# z1 @& f& _: D& L5 Z
;;每一个turtle的全局声誉都存在此LIST中; L! M3 _7 D1 U+ c5 c1 v
credibility-list
3 P$ Q, G& Z$ A, r# f! o* D;;每一个turtle的评价可信度
5 l$ F% y& c1 S6 Thonest-service# d' r" c2 y# C$ S5 ~8 S
unhonest-service
5 G0 }) K, K4 z* l& ]" v0 L3 `oscillation8 j6 y. A5 @2 ~. M1 N
rand-dynamic
7 s$ L1 r, R. {1 z], @1 |! h0 ?& Z1 I: G
3 w9 z; Z {) R" Q
turtles-own[2 o6 f* E( M, _6 N( |0 k
trade-record-all5 r3 [6 ?( ^, |
;;a list of lists,由trade-record-one组成
& ]% K# _- F3 k% }. Ltrade-record-one
; V1 t9 {0 g2 u& x Z' m' y;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
, p" B1 E3 c/ X1 k
7 ]2 |7 D% j* q) H% z. r! Q;;[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]]
+ q q4 q# I. j1 a/ O; @: V; ttrade-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" `, J0 h: t( R3 U
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
9 w- A7 i3 ]8 m9 y6 w( z% ^neighbor-total
4 x- B7 L( i9 g! }( y;;记录该turtle的邻居节点的数目
7 G& _ S0 M' ~( T& N* xtrade-time
3 R! A: G! H# \/ z% q( G;;当前发生交易的turtle的交易时间
4 \ b7 }. S7 g0 ~ p) ]appraise-give% T4 r r: g. [( p) R+ Y6 ]0 M1 u
;;当前发生交易时给出的评价7 w ?; ~( N$ J* H1 @8 Y. t3 d
appraise-receive2 R; Z2 {% I6 e! z2 N
;;当前发生交易时收到的评价
' e6 P4 k z2 k( ~( B$ P# J' @appraise-time2 r* Q6 z! a( l7 q5 r
;;当前发生交易时的评价时间: S# ~: w: k: `3 M: [
local-reputation-now;;此次交易后相对于对方turtle的局部声誉4 ^+ L) m$ V+ | F
trade-times-total1 }/ \7 P& ]$ ]3 _) w# {/ u
;;与当前turtle的交易总次数
m9 ^. ^" X$ b6 ^trade-money-total
# }1 X5 n1 j4 ?& J c2 e$ W;;与当前turtle的交易总金额
m% o; h- Q/ ?% _4 M; Ilocal-reputation
" H8 b5 {+ I; S7 I4 G8 N( ^global-reputation
& i( F1 a( \! {. @! o( Ecredibility
+ z. z. o4 C0 i$ ^2 \2 n/ V- t;;评价可信度,每次交易后都需要更新6 o1 i; O; q! J/ N
credibility-all. v* X3 c: p/ T' f0 T
;;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
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;;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
z9 z" h" \$ Lcredibility-one
4 O6 O; n% U; G$ [/ };;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
' A+ N9 g. o5 \5 mglobal-proportion* E5 h; G# O1 K
customer
& Q6 o5 z+ F: c+ Q8 R7 jcustomer-no# ]# [" k$ n7 v% _( ]
trust-ok4 _* N- O1 e; |; q/ ^& M
trade-record-one-len;;trade-record-one的长度
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5 H$ G/ Z9 V0 m- d( e- P& d) H;;setup procedure0 ~( h1 Z6 f9 a
# o" z' _9 `( jto setup+ ?& ~( H3 V0 x
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ca+ E# m J+ q2 f) V" P% }
7 j8 E* w+ x9 `6 p; j
initialize-settings
9 L3 ~: w. M& |7 K0 `' R n% {% x
, e* g1 V( b8 M3 o" Mcrt people [setup-turtles]
3 A6 Z! j/ `( t7 @3 }2 M: g- ]5 y: H( S6 B$ F+ N, c
reset-timer. O- o0 f# S" u
" r. y$ s" s' r6 b/ a3 q
poll-class
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! K* C6 `! y4 P" ?" a/ g/ vsetup-plots: @6 a8 ^9 c6 Q) f0 |4 d
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do-plots
& _; n" b7 I1 k9 N2 _1 `end
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7 Z: N H, Z; C! d' sto initialize-settings" J4 N l* H+ k& w: E; e' j
- y- U% ] c' ]; l* L. I {/ Qset global-reputation-list []
0 \5 `' m' b {7 z& _1 g8 L6 F& v, A, l1 J( O, q) ^' h
set credibility-list n-values people [0.5]. Y; @0 ~7 X$ P, W0 E
+ [ i8 y6 `, D% ?7 Pset honest-service 0( S! l7 `- u: h6 o( d/ D, y
; o- k N/ z# }/ ?* }5 A3 |; X
set unhonest-service 02 Z' L3 R: S. a `, X5 @5 K
+ l3 b: f1 r9 [8 J3 h
set oscillation 0- |" |' N5 C# T" A2 {
( l5 o" d* s8 k+ j; f( u0 K% A( [
set rand-dynamic 0- Z5 O3 ~7 M4 e L! N
end5 m- E% x4 q! L& L/ W
2 ]) q6 o) L6 P2 }' ?; pto setup-turtles
- d/ M, v) B( I7 a# q7 k: z: k, I( s0 dset shape "person"% g H4 b& `- @2 ]4 Y8 I" {
setxy random-xcor random-ycor8 D! Y P4 g2 A: Y' |1 l+ ]! @) E
set trade-record-one [], g' ^7 p8 s: q8 O6 |" d
/ x* ~5 \9 w. O! a, m
set trade-record-all n-values people [(list (? + 1) 0 0)] 2 |! Q4 `8 }, M* w6 d) \" \/ R6 z
p) \! N `% m) D5 c
set trade-record-current []
, x" t* V3 O: N2 L! k1 aset credibility-receive []" n" T4 B6 d2 S! e2 `
set local-reputation 0.5
p8 I9 w0 ^$ q; n& kset neighbor-total 0. x8 p- G, N9 d( u
set trade-times-total 0
1 w1 P8 U, F( {4 x0 I tset trade-money-total 0
- I' n$ A) i: D% O7 C6 {1 Pset customer nobody
8 x ~) c; h: Q% f# |: rset credibility-all n-values people [creat-credibility]' g+ R4 i/ ^, N f
set credibility n-values people [-1]
9 P+ H) t- _% O, zget-color
, ?. v J8 w$ x) _& M9 N: C5 [7 h, E& N c5 [3 j: S
end
d2 e. x- c( m/ ~; T. P
: Y& ]& i6 M: h6 W2 F- Y- N+ n- sto-report creat-credibility
; X" P0 h5 {4 x6 n! z1 Rreport n-values people [0.5]( {' y/ c( o9 C6 u$ l
end
2 I8 X( A8 s6 E7 F) n7 Q( e
% K& H( ?6 B6 ^4 q; O/ J2 lto setup-plots
6 y- D% J+ I, M6 w; M' X/ A
, g/ E5 O! W) |3 h0 r0 Iset xmax 30* a4 V- x1 F; F0 q& w
& v5 u9 v3 `% e: y: v! xset ymax 1.0/ \1 h8 v8 C4 r4 M6 G/ O+ @
/ N' v5 U& t' ~7 h0 fclear-all-plots
2 v v }: B5 T& `0 `: n% |# v$ q% n2 J( o% r
setup-plot1
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setup-plot22 G6 X) }( g' ]. |
- J1 M- u( r) @5 g
setup-plot3 R5 w+ h) v. n2 T
end
# R% Q! S1 U4 p2 q# ?: s0 @
' z* X \4 ~' s3 B;;run time procedures
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to go$ _, Q) k. F& m" |5 Z) S& D
7 E9 f4 `# K4 M" Pask turtles [do-business]( g* o- l+ x1 O
end
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to do-business
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. L& l& y, C$ W* f" q4 U V8 s# d' @6 C2 Z- ~" o) y
rt random 360
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fd 1
2 t% R% K6 m. b" S. m) Y; G
0 d# o$ {: A# H+ A. uifelse(other turtles-here != nobody)[# c5 X% Z5 K, l1 X. C
& V4 V, s+ \) Dset customer one-of other turtles-here* b9 I0 t7 m e) N' ]+ }4 {4 F& s4 T
L( A- h* L! u7 R7 p$ Z! \5 s
;; set [customer] of customer myself: t1 @) t* S- ~# O6 r3 u& q9 A5 l
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set [trade-record-one] of self item (([who] of customer) - 1). X1 M6 w, \3 k: N( X. \+ q
[trade-record-all]of self4 L2 a' _# I; p( @. Z
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
c* R) q2 o2 o8 A2 d3 \( O7 r5 G- G; @; G
set [trade-record-one] of customer item (([who] of self) - 1)- e# q# P& g) q- x( i" R
[trade-record-all]of customer2 Q7 ]0 x- {- o) i
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set [trade-record-one-len] of self length [trade-record-one] of self) J3 I: _8 X: S2 M5 n
_! d4 c c9 F4 u- R
set trade-record-current( list (timer) (random money-upper-limit))
/ i" S4 E, a* O8 g4 P" b. B% u# }, K8 ^1 h/ Y
ask self [do-trust]
6 R# h. P% e7 b& W% C. D4 t& X0 B;;先求i对j的信任度% U# F5 ^7 s+ N, S! c
4 V6 N# V9 x" g- F+ ~* y, Jif ([trust-ok] of self)
; d/ a/ b+ }" z;;根据i对j的信任度来决定是否与j进行交易[
J6 l7 U D1 _5 J9 B, B H- iask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself4 n8 Q% ~+ Y4 z- m8 B; z* x
+ a' s; s: ?( u* v[
5 z2 y+ X& l/ E/ z( k6 ?
[) g X. i' [: n u3 rdo-trade( z9 v7 D; r( l0 [7 F
5 M' J5 [6 \3 f0 j I% N
update-credibility-ijl$ N: \0 L7 o3 @$ S, q
7 e+ }: p( Y) F" X O3 hupdate-credibility-list/ M. D; P) N) [% ?% n. j" M& i
1 ` K; S& G' Q" _. [
1 l" O0 i# F: D7 h) F( T9 u
update-global-reputation-list
7 v" D+ Y8 v" u) V1 A' a2 H( d9 n+ N$ y X
poll-class
" |& |) {$ a7 L$ Z& z4 b
2 ] T; w6 Q$ {5 L$ y. S; \5 M4 Rget-color
3 L' n9 N7 ~* |3 S0 P8 R: ?: y. l3 T+ W0 ~ \/ G
]]
4 Z( `0 w9 Y2 p' L# z3 [9 c4 B: n* u" m
;;如果所得的信任度满足条件,则进行交易
3 V% Q( I% C. U. M3 [: N* _8 m6 ^( H! B: y* h2 _
[7 \8 {4 r: ?+ B2 ^+ h& _8 U
# O/ [9 e( M; ]. I9 z
rt random 360+ r5 D# C) d# A
3 T5 _( g2 m4 M* i
fd 1
; i ^9 O2 y l3 K& R6 ^+ ?$ h& y1 z& a- Q. |0 L9 \" F" [
]
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, E" e1 x* P$ Q# d( S3 vend# e9 m% V- q: i- S4 r Q( B5 T4 U
: m1 X! ?3 T0 F& m' V' `
to do-trust / G+ V) Q$ l/ ?7 _$ J" F2 ^
set trust-ok False# r v/ {! I7 z9 |: j
- C* n" y% T/ p( O
( C# Q% G8 c* t. tlet max-trade-times 0
$ ~3 t6 u9 k0 O5 L) ^( dforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]4 w. E/ ~8 V! a2 `( D O! y
let max-trade-money 0" R' H! c& d3 u3 K, Q& L4 |
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]. F, J+ ?; D" h$ b! l0 H
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
: e5 D& h9 }- ^" F# N0 ?7 k |# e, [1 F. ]3 o! x$ m+ |: E: O
' H, Y2 f# Z/ N: d6 R' E/ m% b: `- ~get-global-proportion
^. R0 M5 o! k" klet trust-value
# T- A: @$ s6 d; F# r# `8 P' V$ plocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
8 C, k P# q A3 Y. y. z9 aif(trust-value > trade-trust-value)
% b4 b# Y' K, G6 i0 p. f1 d[set trust-ok true]
& Q# j2 g5 ]4 v' I: `8 ]end6 B, M U; v' o! ?
& Q) M; M0 I2 h. e
to get-global-proportion
) ~% d* U* }2 F$ d2 Z: s8 P# n5 Iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
1 m) @) D5 s2 w( i[set global-proportion 0]- |$ E1 ?( b, _# V# M
[let i 0
* T8 l( z/ Y. H% U$ @let sum-money 0
6 c2 Q) i2 d. jwhile[ i < people]
3 Q2 j! z; `2 i5 @+ P[
7 Z* \0 E* v, ?% v5 ?" a6 tif( length (item i
7 _7 E( L; r- v' h/ d9 A; r. J[trade-record-all] of customer) > 3 )' C) Q4 E6 V3 v2 S! d+ X3 Y: G
[' J! ?, c$ a! L! y
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))2 K! \( N s3 Y# H7 [( s3 n
]
1 K6 L4 X5 Q6 ]$ N; s3 r]
, y) f* v9 v2 Q" Slet j 0
" a9 E j+ F, B: H& Wlet note 00 w/ A8 U" V& e; j
while[ j < people]3 J! W6 [9 I% g8 e
[* h/ R w( \. W" q n
if( length (item i
4 v7 c8 ?4 q: ~4 Y- {2 N" H) T[trade-record-all] of customer) > 3 )
7 \+ z& ]9 x3 z$ W4 H9 Y[; z: ~' z9 K; b* s4 @ n
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)4 g) ]& z! t. n: s4 n1 _
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]4 H. m5 m* b" v/ o& E
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]( L& y: o( ~) N T
]5 i: N1 i; ~$ r( k: c5 _
]# d1 x2 } I. U) h; G* w
set global-proportion note; r4 A4 \9 `: z5 }9 w
]
H$ @9 ]4 {2 R8 J5 f# G6 j: o1 n/ oend6 S- c( H8 I/ N$ x5 W$ x: t
" Y7 Q9 S# p) X/ B& s0 \, z( sto do-trade
2 y, w: Q8 d" N0 c" F# W9 \;;这个过程实际上是给双方作出评价的过程
$ c" T6 N [1 D& `1 W2 rset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价* a6 O4 @) g' v# A( v* [. R: |% R D
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
8 m S' c6 t# R4 y/ Z& Rset trade-record-current lput(timer) trade-record-current: W/ i3 }6 h8 ] H8 r
;;评价时间
5 i8 a6 r Y4 @0 {. {# o( cask myself [' `# n$ l! h5 Q/ i( g) G7 B @1 ^
update-local-reputation
4 Z: y$ ~ m' J, A! H, Dset trade-record-current lput([local-reputation] of myself) trade-record-current
4 A. z$ o* @& D) F% n. [' U], R& f# C8 }5 o# j: }
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
1 U$ F5 V H- Q% z5 e;;将此次交易的记录加入到trade-record-one中* T3 M3 `/ R% j
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)- ^8 ~# d" \) v- z, c e. o- \
let note (item 2 trade-record-current )
& p) x: z2 U3 k6 d1 p, r& p8 ]set trade-record-current0 Q; b' x1 W" t7 A* F5 J. r
(replace-item 2 trade-record-current (item 3 trade-record-current)). o% R7 J" z* k" D
set trade-record-current8 b% v! H E8 r) u0 K% A
(replace-item 3 trade-record-current note)
1 e7 p4 m2 A: M; D- V0 Z
& S! M2 M0 v/ r! O L" v
- S5 l) b- F6 F: Q8 K2 Iask customer [; N& ]$ l- D7 p5 R4 D
update-local-reputation* Z$ P; |" D9 p1 T" O) f+ z
set trade-record-current; y9 M& D9 ?9 O- ~6 R7 G. e
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) $ A2 K8 `! X- z+ w% B9 z( G: x
]
& S+ L$ ]3 ~! j: L" w8 C( Q+ q. K9 [: `( }! s& M8 e8 l
" w8 c# S' {4 X1 E2 J6 ^
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
4 t$ R+ Y2 ]7 w& c" v& s: i
) V4 o C7 }- q' T% Iset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))7 U4 K, j; N2 ]0 |
;;将此次交易的记录加入到customer的trade-record-all中5 N( \+ h- k5 x
end
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to update-local-reputation, A" a) J' j4 f4 ^/ E7 J5 g( |
set [trade-record-one-len] of myself length [trade-record-one] of myself" |" ]/ a" `5 P5 Q6 x' i8 J
' n5 G3 W1 B- Q& s7 x; S8 T9 i
4 `3 K8 ?: m1 b& r, B$ e7 U# t( K$ G;;if [trade-record-one-len] of myself > 3
. t6 x* v! N" B0 g7 g, I3 G" vupdate-neighbor-total; I9 o, X, W* y
;;更新邻居节点的数目,在此进行
! _5 `0 g4 {: }let i 33 e1 K4 R' W! R$ [
let sum-time 0( h- z/ r/ ]4 s7 `
while[i < [trade-record-one-len] of myself]
; |) s9 G# {( j[
2 e$ a% }1 T1 }9 L# z* m! m1 }set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
8 ~4 Z: k# L2 J! r6 n' ^set i5 m2 Y# }$ w) G: }5 C1 p
( i + 1)
% x# w5 n9 x9 J- Z; [2 V: t3 B: r]5 C% C; e. O6 I/ F5 m
let j 3
5 H" { \/ c6 x6 Blet sum-money 08 j; [% a! S9 b5 r, F
while[j < [trade-record-one-len] of myself]
4 E# K; _1 v) m9 g/ h7 i: O[6 X- C U _# c% a% H5 I6 s7 w
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)
. Q# `% k6 _ i, ?/ b, {5 B7 jset j2 e& `/ S6 n K
( j + 1)
, Z$ H" t. H, N" w, T' d4 S]" ~+ L+ w- L2 I: t1 u I
let k 3
+ i: F) y* e7 xlet power 0
0 L' V/ t2 c& v% \4 D! xlet local 0) u) l, V Y( e0 f k3 K( x& r1 c
while [k <[trade-record-one-len] of myself]' G8 D8 h+ U9 Q2 F' g
[
( \8 J- Z( u9 A$ I( p" Q- ]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)
9 u6 c# x- n D5 i Wset k (k + 1) R7 o" J) u% i1 s
]( q. k$ q& U7 d
set [local-reputation] of myself (local)
5 _9 ~+ r: S( X- c! Q2 h7 gend- N9 O5 Q* Q2 H3 }$ ^
; F$ o9 p# B# d
to update-neighbor-total
/ i- B* H" Q* e2 J* ?/ u" }: N; y. ]* a; e1 ` x# B% ]* E' M! b4 [
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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end, G- M! H: S" r1 R
3 v4 c! b2 i3 E3 a' m2 u2 H/ {to update-credibility-ijl
9 U1 V }" h& U- D; t' d
" A$ ?- U6 d8 y3 Y4 O" c/ 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。9 N1 A3 Q% ?& L2 A
let l 0
: y# i4 i3 B+ i& ?1 I, Twhile[ l < people ]
4 A$ D, d6 B7 @, P9 y;;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
, @" i) v; A9 h, m1 x[5 c' m/ s+ L: Z4 P
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)" S7 G% Q& S( F6 t5 a# W9 e! E
if (trade-record-one-j-l-len > 3), Y! d2 B8 E- \) \8 D% _' }
[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-one9 v: ~9 ^% o. d7 X
let i 3" Z; i+ Z( ^% G$ [
let sum-time 0
* R* m. ?+ [3 j: `4 G$ M! kwhile[i < trade-record-one-len]3 A @5 g. s0 g1 H, n! g
[: ?+ b, A ~, S3 U/ Q" y5 [
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 v8 T# E5 D. J' E
set i
( e8 B7 ^' J8 {8 O) {; ~( i + 1)
& d/ J1 y$ h: _. a+ C! w] J% s1 s, u; ^" P0 ~( [% \% e
let credibility-i-j-l 0
9 N T. u0 }2 w4 O$ V;;i评价(j对jl的评价)
+ q% d6 r, F D+ `" clet j 3
1 s2 `: u) u) F9 ]$ }let k 4
" E9 S. o$ n* i" @while[j < trade-record-one-len]
# c3 {+ @7 g1 p& K& \7 c" y- K7 y[( b$ y: n+ ]; D9 Z, k3 _
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: |- F) v( @, o, }& W5 q$ |
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)1 P7 N$ Q+ V! N) M' @2 H
set j
# m5 _% |: Z% `$ h( z( j + 1)& C }+ t; |1 s& j. o2 N
]
- s9 N6 M. y$ H' X7 Lset [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 ))- ~$ v, @: z% c" B; o! X5 G
4 H0 u( y0 Q5 ?7 K: A! ?1 h- f" A( a( p4 T' B) p! z3 d
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))# i4 p Q' G& t
;;及时更新i对l的评价质量的评价2 l. w; Z* X. j% U
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]6 T! i; q. I1 {
set l (l + 1), n7 U! f& C3 T8 l/ U
]
3 e9 u# B7 P/ @/ Nend# \* F9 N/ N1 E4 G2 J
3 m' D( x1 r: t7 _+ k8 Oto update-credibility-list
* o2 i1 }: H' A% e# e. alet i 0" D; [8 u- H- r; I" g2 y4 [6 p, h
while[i < people]
" L& C$ Q7 x* G1 K[8 V! A+ X8 b% f3 M8 w4 n1 z/ T- N
let j 0' C, I. t- n5 Z* q
let note 0
4 O9 u5 U- Z9 F! _5 blet k 0
! e) Z& ?" [/ b9 R7 U;;计作出过评价的邻居节点的数目
; ~! ?. I* n* n5 V* J3 n; fwhile[j < people]
! C# c* L: ^2 ^2 j3 R3 `[- r9 u1 S3 v1 I4 ^* b1 p
if (item j( [credibility] of turtle (i + 1)) != -1)6 r4 G- x% ?- k; Z; {
;;判断是否给本turtle的评价质量做出过评价的节点
g5 ~7 {/ e" [# q( `[set note (note + item j ([credibility]of turtle (i + 1)))1 @) {/ e8 J7 h! Z% w9 \5 z
;;*(exp (-(people - 2)))/(people - 2))]
/ `" r2 Y( L, {. xset k (k + 1): K1 S0 K; K& K' d) T7 K* L
]7 F7 G6 M/ _+ R2 u
set j (j + 1)
' J \- v0 p% H: B" [- P, I]
: @9 c* p& R3 _5 q: Rset note (note *(exp (- (1 / k)))/ k), o+ ~- |- p9 _7 e' W3 ~8 t' P
set credibility-list (replace-item i credibility-list note)1 V0 v; q, c# z" z) f/ r
set i (i + 1)$ z \9 R9 E, F( a! C
]
% t; `9 I' g0 u; O7 X/ q# pend
4 a: U8 B% N1 y" d2 d
3 H. }8 n- B" x. j' ?to update-global-reputation-list3 v* ~- G6 B2 a# i
let j 0
: P6 A% h/ ]6 X$ h9 u: `while[j < people]
/ w4 S& o; [* I; D- j& C4 X! V$ t[& q9 _4 [' F" v) a7 Z+ p
let new 0, y/ W p% \* }2 I: k2 T+ x
;;暂存新的一个全局声誉0 I2 p7 {4 q( k5 `: H
let i 0: h/ ?/ A$ w5 B. r s
let sum-money 07 P. U7 B" ^! K/ ~& f
let credibility-money 03 t( b% a7 p- R! K* b- S
while [i < people]
; g6 R) J7 \) ^( K8 j2 A- x[1 o6 O I- ]' y; Z, n9 e
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))- _8 `# u s- k- b+ s! @
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))" x& p: F6 ~6 _4 ?" _7 Y& s
set i (i + 1)
) \7 F+ M0 u$ C( q ?! O]- m( ~ x- c3 D
let k 0
" Y5 ?- M* O3 A# jlet new1 0
/ V0 ^2 w0 b7 h9 s" p' {) _while [k < people]9 c( q/ F; G. ?" d
[8 q# C0 r: j& o, b2 I
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)" E* j' M0 W% h n$ y5 B
set k (k + 1)
" X; k& G9 `3 y" a]' z4 U! u( P* x& R% F8 d
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
3 O G2 r5 Z! P* @; `' g8 Lset global-reputation-list (replace-item j global-reputation-list new)( N7 W5 [, \8 f% [: v R
set j (j + 1)/ M7 g' |8 `; J) O- {7 ?$ E( I
]
( F' g `0 k" ^9 wend: W; U! I+ A3 ]
W1 d! b! p$ q! N6 q( P& B" f& r G( \/ m% X% B k0 `: F' n
- W7 @1 u9 D# j' V8 ~to get-color3 k6 v- y6 p& D9 I. N1 h2 ]
+ z) V# a" P: L. xset color blue. N/ \! E* o3 ~5 L0 L; P0 q% O& A
end
5 N' s$ t7 R# y$ x
5 ]* f7 l6 w7 V/ J" Hto poll-class
# k5 n# @4 ^4 ]; C) c$ u$ M: d, mend2 y, [/ V+ ^- a
5 s) D# D. ]8 P9 V8 F% x) eto setup-plot1
; K+ t1 O# i8 a- Q9 j. @/ C
) z! ?: A. I6 z" o8 Y) xset-current-plot "Trends-of-Local-reputation"5 F- M1 c( ^" I' l/ E' t% {( ^. p1 B( F
* V# s9 k, y% p0 ^
set-plot-x-range 0 xmax
. e, ?0 b1 h8 @/ p- L& P+ x' R2 Q' r. T) H
set-plot-y-range 0.0 ymax
8 y7 |$ l( y. P* \end+ j5 i4 M! R& c, V# @, @. g) M
6 U- x% S- l& m6 |" y. V& qto setup-plot2# Q& ^( F3 F) E/ {. a
9 Y" `% _ }8 j. J& w$ F: G
set-current-plot "Trends-of-global-reputation"
* Q( _9 t2 N2 _# k8 u1 i% C7 r
0 P7 Z" @! f8 M/ c, ~set-plot-x-range 0 xmax1 i B) {: D5 s4 } B* O! J
6 h+ @; R: e5 p O0 S: K
set-plot-y-range 0.0 ymax
* f3 t0 p5 r1 h# e; [5 Hend
- @2 W E. D6 x/ r; q2 i' ?) B/ l( Z' Z& X4 z9 A* O# D' L
to setup-plot3
+ c! @9 ?) T& ]: _$ {
; I$ D% t# T0 p: \3 U bset-current-plot "Trends-of-credibility"
T& b4 @4 \' ?3 ]. i7 E' X4 }8 s
6 k2 f# K2 ^3 W, G, E# w1 A) S$ U2 Y+ `set-plot-x-range 0 xmax' u- q4 g O! R3 u
9 R( v# @4 l( U) Eset-plot-y-range 0.0 ymax
/ E6 O% V" k |. ^end
( ?' e/ p% z. n5 i2 _) o0 e$ ^/ N( q( k# n3 ^4 X! J1 k
to do-plots
! U+ H2 q/ @9 ~ Z; |, Y- cset-current-plot "Trends-of-Local-reputation"
/ O+ d, k, p. x! l/ |7 s sset-current-plot-pen "Honest service") g m9 R e" ^$ _
end: S4 \2 j2 T P% A; ~( P0 l
1 k$ ?5 @5 d1 N! [# K& w: b
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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