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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& |/ c, z. I4 o$ R/ v
globals[7 M; O8 w: d/ A
xmax3 f! O5 Q1 r3 B0 A: }
ymax! [' B6 G" h. S& M8 b% V
global-reputation-list' O& T% l' R! ~% E3 c# |0 J6 q+ P
7 `* v& y7 j3 W7 o;;每一个turtle的全局声誉都存在此LIST中
$ B* Q9 X1 t3 W0 r' n7 Fcredibility-list. D) N5 B# c& b' B Z9 y. L% ?3 ~
;;每一个turtle的评价可信度& ^/ v* `7 T! M( x6 N7 N+ R7 |
honest-service6 p" l7 R6 S- j* c
unhonest-service
: G f6 N/ s- r% |! ?oscillation
! Y" h6 \ m" U: G6 ^rand-dynamic
9 q4 N; J. g/ a* N8 `% []: p! c# T' G0 E! P0 L9 \" g) \
8 {% c2 p: Q2 `& |0 i. tturtles-own[0 i. g, D% _- N6 i. ?
trade-record-all' K' ~5 z: q! t' ^6 @) [6 _
;;a list of lists,由trade-record-one组成, s* i; x5 S* u/ _# ~& D
trade-record-one
. M, i4 C! R2 D( J0 ~;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录8 T! x# J* P8 E
& y2 D" S/ f* q7 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]]
: Z" D" e5 l" m; Ztrade-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]
( J* o! r* u K: H+ |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list7 {8 N$ U+ o* @ F+ l% M
neighbor-total
6 F" a" [3 s+ o* x& v;;记录该turtle的邻居节点的数目3 v- K7 Z$ _# B! u+ h
trade-time
z- t! p5 S$ F; N;;当前发生交易的turtle的交易时间$ `' ~4 i5 r: {% z, U9 J
appraise-give
, K* S0 T% K% Y( W& v7 w;;当前发生交易时给出的评价
; D2 c4 k5 q1 _, z7 U4 H' qappraise-receive
% X" \( l1 Y; h4 F: `;;当前发生交易时收到的评价
' Q3 B4 u3 J6 ?: } _+ N' q% {appraise-time
7 x: E4 g5 M+ E. \" L/ o! D% k1 V;;当前发生交易时的评价时间5 c- y- [7 ^- Y3 m6 ~5 h
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
+ {* P, N: e, ^; Btrade-times-total
0 c) U& w8 o: u' P;;与当前turtle的交易总次数! F4 u; d" n3 T- C
trade-money-total
9 w5 z' j/ C, q; G" a;;与当前turtle的交易总金额& Q! K: I& O2 R- ^ y* o1 J/ B4 ]
local-reputation, {, P. ^6 @/ R! x: Z$ j3 D# c
global-reputation2 A% v: T2 c7 y5 D9 ?
credibility$ I# F2 h1 ?8 |; S6 {% F/ p$ l1 z( q
;;评价可信度,每次交易后都需要更新$ R* t8 c/ Z( {$ }. A6 U
credibility-all4 A( d8 V* u' N: F" d
;;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4 j9 s5 b9 B4 q" `
4 y' z. C# z5 S/ z3 \
;;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
" m( q" `1 j) Y# f9 G; c: q9 ~. Jcredibility-one
; f/ Z0 h7 W# q' y;;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* Z' @0 j* C W! r
global-proportion* C4 v; @! n+ X. r
customer
0 i. R# `. H) u/ H3 Jcustomer-no- v Z$ F2 C. @
trust-ok
2 n) t- L. _1 e# h6 G( g9 {trade-record-one-len;;trade-record-one的长度& Q" k4 }/ M d# D" o" E9 w8 [
]4 N" Y% U$ _" C8 a/ a2 f! c. H9 ]0 D
7 G: F9 g4 R. v& z
;;setup procedure8 ~- u% l% _6 \; N1 C
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to setup# @3 _( m0 ? y7 D& c0 G4 |
6 o+ w1 s! U8 _' h; b5 rca
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- z6 x) L) ]/ z. ~$ F1 @initialize-settings
5 h# y7 p! k: {, o, l& n* y; [% \5 j
( r1 i$ F r9 r" y$ x3 Y+ V0 c7 I. Tcrt people [setup-turtles]: Q9 B! u/ ^5 i r5 J# b# h
; M1 @2 [. h& n$ U+ Y5 v* }: H2 c
reset-timer1 v7 |* @) [8 R5 i# d" m+ w4 Z
9 b9 G0 k. [+ S% Y. a$ Z7 {1 x
poll-class% j' ?% _( @& r
8 c7 O9 M! k5 t% ?, |( E# Q6 x& }& ]
setup-plots" i, m# A! l0 s( {4 S! l
; h* Q7 ]2 i. g& X6 v2 j
do-plots
( R/ W& d( j( T: q$ b b+ _3 Bend
6 ]) ^( B) z A2 [; s
& j2 L) d" V" F8 c, O: ~; qto initialize-settings& R6 b( F0 T' i( D: x& x
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set global-reputation-list []
7 ?9 s' @8 R- F1 {& d5 d+ Y8 r S
) z, X2 p# c) S7 P" Y9 I6 iset credibility-list n-values people [0.5]2 `7 R* I, U' P
: f8 f. O" D) _' wset honest-service 08 C9 j8 ]4 U$ K* O4 Y" a9 `; [
' Q: S/ q# U- o
set unhonest-service 0
# b3 y% G2 Q1 F' g$ v" A; A# i% z( c8 {. n. `% Q
set oscillation 0! @% X& k' F8 o8 s
7 y8 v9 x8 a1 Aset rand-dynamic 0
5 ^1 S( h) j+ t" U& `# W3 qend
$ v- C8 m5 } v* K
) n& I' q% u9 F |to setup-turtles - P# _4 q. ^* A+ A$ n/ N% N4 _
set shape "person"
3 j6 q& e0 ^5 h/ z+ ~) D+ msetxy random-xcor random-ycor5 f5 S' Y- g( Q# S3 t/ h
set trade-record-one []9 @' G5 k2 b m1 |$ S5 L/ D
) V# K) K7 L( U. ~
set trade-record-all n-values people [(list (? + 1) 0 0)]
3 Y4 H' F) @2 q& y. @: b# j
% d0 d+ \1 \9 t, s5 g; m- n: V/ kset trade-record-current []/ q l. @0 {( Z& f% D
set credibility-receive []
: }" W1 k7 b9 B; {$ l; A! B3 m3 Sset local-reputation 0.5
7 L& V7 \/ K9 ?4 p( t0 f& kset neighbor-total 0
1 e' V, Z4 W1 j) ?0 F5 S$ Dset trade-times-total 0' Z( b# _, y. L" j/ F; w4 A9 @8 N
set trade-money-total 0, V4 ^% P1 |, H
set customer nobody; P: a5 S; S9 v/ x( s$ k% ~( Q
set credibility-all n-values people [creat-credibility], G# k! t4 q/ x1 f, J F
set credibility n-values people [-1]1 X7 f, I, f2 q, Q! Q! E
get-color
! X. \$ |/ C) y! m# X, S3 P# g5 Y- J" q. i9 ?: B; E& R3 Q
end
5 \! t" s' H- s! |4 v0 e# I8 i8 m) t
3 x/ ?0 i, d+ L% p$ u$ Uto-report creat-credibility
5 [8 f- }9 v) B* X' W( Greport n-values people [0.5]6 _+ a: g5 n o% _1 ], W! Z" Y
end
a! \) J5 C- l X! G, a. e* D. f1 u4 ~$ C# J( M4 q
to setup-plots
/ s2 ~; ?* q* U* U
; _. O- z8 I& ?; v2 yset xmax 30
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set ymax 1.0
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% Z# \7 \5 \1 F1 y: c" q3 q$ a# iclear-all-plots4 |+ K `+ l; ^8 z* W9 o. r
8 ~. o- `# z. y) P+ t* k' P. ]
setup-plot1
1 Z/ o$ u) u: d
" m; Z4 k1 L4 B4 L. ?setup-plot25 u0 p6 p, A3 M9 p2 w `
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setup-plot3
* x7 [* V$ b% ^; X: j- l$ pend
, \% f2 p9 p4 l7 d/ }8 ]9 E& U* y/ S. J! H( h
;;run time procedures9 S4 Q* J0 O( c z3 a
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to go
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- T1 U% v& c+ {9 g( t7 Xask turtles [do-business]
* L& R4 [ @: S( fend0 y( Q" ?6 D& t2 e8 N8 ^
3 [3 y/ ?2 W# Q8 n4 [% e9 s3 d& E
to do-business 4 x o0 A: q: U3 m# K& d$ q
H$ \3 p9 r! Y3 q8 `
, {+ k& \( t4 v/ t; y0 |rt random 3601 a0 }/ e8 m( t9 }
, @+ e( F! s: { m
fd 1
7 h9 W& B$ Y8 k I- ^7 e t, k9 h+ {6 s) t G3 D
ifelse(other turtles-here != nobody)[' ~7 m! D( L4 M* {0 w
8 |# b# L5 c/ i2 v% t
set customer one-of other turtles-here( p5 z! c' }& O: g( Q
2 j6 [5 W. g& o' f( Y( n* T: }5 w;; set [customer] of customer myself
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: z* H# x) k/ V$ ]$ t# Bset [trade-record-one] of self item (([who] of customer) - 1). x3 L3 q% u6 g# a* ^, ?
[trade-record-all]of self
/ Z. h$ n8 ^/ K4 P( m" i+ };;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self9 e% T/ V( H U( n: d
' e' w- {1 ~$ a, p' p6 [4 [/ |
set [trade-record-one] of customer item (([who] of self) - 1)
' Y4 p$ l6 i% G$ {& @: q) C[trade-record-all]of customer
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set [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit))6 X! G) w. r( U0 Z: B
2 a& u* |# m$ b0 K
ask self [do-trust]$ ^7 O; O8 i' W. a) f+ z9 _
;;先求i对j的信任度& \0 K+ [9 Z( O; s
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if ([trust-ok] of self)* z0 x' b; u( \/ m& w) o
;;根据i对j的信任度来决定是否与j进行交易[
9 `3 Q p8 H5 N7 z/ H Jask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself& i3 T+ ~* b4 X( i% ]+ g p; q
0 W8 c2 ^' S9 q[
0 J7 y3 P# e/ o* C
+ q8 t, U* V7 H* |: b' odo-trade* U, B$ ?6 ]1 ]6 }
. \+ B* }2 c# a9 ^0 F2 @3 Y( m0 Fupdate-credibility-ijl
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update-credibility-list
3 u: ], U, j* d7 Z% [! p5 _% v0 ]2 Y2 A* `. `
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update-global-reputation-list
( J9 B: d4 b/ ]4 r5 }2 o& H# @! o
) m4 Y+ W$ e3 E! W# _2 @4 epoll-class$ O# y/ y6 R: `# T5 L. h
3 J; g' M: y, Q2 g u
get-color4 g8 D3 E& E, S& x7 R2 V+ f
+ G: [/ a: d7 {8 b5 Y, I4 e3 t7 d, m
]]
' I) k/ N" z* c& B% }- H, G6 L* g/ i6 |! m: ^- N
;;如果所得的信任度满足条件,则进行交易
1 G; H( t! y, m4 S7 c
: l- _- h: j) u0 m0 p6 u9 h" R[
7 L5 i, C( `0 ^) d# h* ^7 t: j
" o1 k: d( X, V: }2 Y9 Srt random 3603 T# ^$ E. F) c- q: V: X$ c* \
/ R7 t7 y/ }* j. Cfd 1
, a$ p7 |8 j; C- L# m8 ?
5 y1 O1 M3 l! J/ M]3 }- P: t3 `& ?4 K$ ~' h4 U
& H, Y$ N- H1 H5 Tend0 ?% r% r1 m, `
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to do-trust ) E* g/ j0 h) j" W0 f2 Z" G* _
set trust-ok False
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let max-trade-times 00 A, g& G- G/ f+ _# s& M5 H$ f
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]/ d; H: } I, k/ ]
let max-trade-money 0( r0 K' f8 R6 F5 _+ q8 v
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]4 h9 {) s: C ?( v9 |
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
; @. R6 F# `& l/ v0 n
( t c- K' w5 f" M& [1 a* I' o/ ~: l q
get-global-proportion
3 K* W- v/ p' clet trust-value* t+ \& R! u# ~8 _( [
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)
. C1 w- C7 D' T. L; n4 T1 yif(trust-value > trade-trust-value)) o( [& Y/ J! q) N0 Y$ l7 _
[set trust-ok true]; f' j0 Q# f: ]* p+ u
end' }# i# _- F7 e! Z
! W1 d% f/ f2 ?) Yto get-global-proportion. _0 U: Y( N6 K) z+ ]3 L
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
* L' _8 x8 x- B- v4 T {8 P. k[set global-proportion 0]
, X! b2 [/ I8 G, s5 t3 i2 z[let i 0
: E" B3 o$ v! D4 ]! u" z5 @" _let sum-money 0* i- X& N3 `* ~# a) k8 L8 G
while[ i < people]
7 h# |- }! d% j) R* t[6 {1 \( a O+ d8 H4 m
if( length (item i
# g: V# ~2 S9 \: I) P7 r# w; o[trade-record-all] of customer) > 3 )( ?- g1 C6 V8 U9 D$ a) l
[! v. q5 D' b+ _5 O, {! _# f
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))0 Q: a0 I- G+ d5 T4 r
]
3 H/ ?' ~% E0 C ?% i]" {- F( H! [7 [* M6 X( F6 s" p
let j 0
- g; X& H' Z5 g" M( F( P$ nlet note 0 |6 ~. d* C2 L5 _5 H* I. C) {
while[ j < people]
3 n# C }& o) {$ f[# v" q' S* |, I& Y, u+ v; ]
if( length (item i+ f1 @& [: j- b& h0 _; a
[trade-record-all] of customer) > 3 ): }8 N2 P: U+ Z7 U. i, T
[" R4 W5 _& \' l% G3 D6 a
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
3 [+ k& c g, J- n3 W+ |: r[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
3 k" P: T; l( P5 l[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]& O- z* D9 I2 M, H$ f+ ?
]
6 N0 {5 R% f& H]
' w( g- V: S) o% [1 w' Pset global-proportion note
2 @# H% k/ V. N! u" I7 Z j]
! f4 Z- x% N6 |# B: L4 \, Z$ t* R8 tend
6 t! J! W7 N2 d& ~3 [" J' K, D/ S
5 X2 x) x0 _% j" ? {to do-trade6 ?& {7 _ h# I' _$ x2 d2 c! @
;;这个过程实际上是给双方作出评价的过程
- Z! b: y+ O. O9 lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
6 S+ A/ ?) {' B' B6 q3 Wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
) ~5 r5 L5 f/ t; Tset trade-record-current lput(timer) trade-record-current0 c* O# Z V$ i J
;;评价时间
# n! \5 z& k( T; i3 t7 N# _ask myself [) M$ w, a: E- ]# q6 E' V
update-local-reputation
S9 X2 D6 K( n9 v; g6 @- uset trade-record-current lput([local-reputation] of myself) trade-record-current$ d- @+ b }4 t" l; r
]/ q# H2 n! ]' i
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
' V+ B% X% T( e$ T+ F7 r# i;;将此次交易的记录加入到trade-record-one中
9 s2 }8 d3 y; l# L* A. K) u2 B5 X* U9 H2 qset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
( ?4 E# g" |$ h; f, ~, Hlet note (item 2 trade-record-current )
/ \4 i4 a6 k. r( k2 W0 `4 h4 ^set trade-record-current
3 h6 K: E5 h ^) {(replace-item 2 trade-record-current (item 3 trade-record-current)): S z% f% H, ?- w/ l
set trade-record-current
! r) X; }$ f# g( w% f(replace-item 3 trade-record-current note)
; [# z1 `) @% C5 X, j) W! u- F5 l$ x( t4 |$ C
" F: J" h: _8 `! R: Vask customer [
/ k$ @- R# G* X6 c. o& |3 ~; Nupdate-local-reputation
5 g' T9 V7 o+ ]set trade-record-current9 g4 Z4 ]5 K1 j! c- _5 B: s3 ^
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) / u1 T8 H" B7 d6 m& i
]7 P$ s, M f0 r$ M7 e
1 s/ ]" S" H5 x0 Y% j4 T1 d' U
9 a+ i& m: R8 `" Z2 ]1 {; r8 Gset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
" o8 @* N+ [- ?% u. U. X! j- x/ ]/ i, F. T, N6 `) w
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
' B1 P9 ]+ L; D0 ^1 N: G6 o+ P;;将此次交易的记录加入到customer的trade-record-all中
* r6 W7 h( U! \( G4 O1 t& T" Bend
* }, s. Z2 k$ h2 a7 O3 {2 v. @: A# m
to update-local-reputation
5 b3 c( e+ M" F# {. Qset [trade-record-one-len] of myself length [trade-record-one] of myself: _7 d& ~) ` d7 ~$ [. N" w
% }1 B1 [' l) W6 {; n5 [
& y: ^6 o1 e: i;;if [trade-record-one-len] of myself > 3
- G# a* ^' H* K8 X: L+ yupdate-neighbor-total
9 z" s6 R& |, C+ _/ ^+ h3 W;;更新邻居节点的数目,在此进行
* J/ g: Y$ s" Tlet i 30 Y: V4 g( ~! k
let sum-time 0 f% S" k' \/ ?
while[i < [trade-record-one-len] of myself]
2 l1 a; J: { }$ {/ i[& k$ _' y9 g7 l
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
) p& \5 c9 o7 a: Pset i- i& i/ f3 b. g3 N6 \
( i + 1)
2 G9 J( T( Z S, r]
! C9 O7 O- z4 Z: J0 ~let j 3
$ u5 b+ U$ m; w& F* nlet sum-money 0
$ r1 t9 k6 V2 I/ I3 u) @while[j < [trade-record-one-len] of myself]
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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)
: ]$ j" j$ z, E2 z' F; q! Rset j. m' L1 B' A/ [0 U. W. E+ B
( j + 1)4 r# W, R$ j! L) U0 T' K5 r) B
]! b6 r: E) H- K7 @! L+ r8 Z
let k 3
2 {3 A, _! `8 Q4 Zlet power 0
. O$ U7 j% f5 z7 ~( k) k$ Clet local 00 T% I6 n- \6 L3 a
while [k <[trade-record-one-len] of myself]
: N7 P6 l6 z Y# o[
. z" \7 m& x4 h% T1 qset 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)
6 ?/ K" h4 q5 Yset k (k + 1)
, p% f6 Z. L0 W C$ t]
2 \6 C/ ~" {$ ?, O Dset [local-reputation] of myself (local)8 D( k3 k! B( g" g' \/ c: j8 ]# B
end
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to update-neighbor-total2 d6 b+ F4 o& B, ?3 I2 J3 {
' C( g& T# s+ n1 Q2 {; l. r) j
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
, J' x$ h+ _: j# c( z/ {
0 m- C; }+ }0 v) U- S# i0 x. |/ ~/ @
' b- B$ _0 \+ R, Yend3 k' B/ S7 D1 |/ ?
$ Y; k# h g- _
to update-credibility-ijl
9 }7 `+ [/ z' S* b1 _9 z+ i0 z, s6 w0 J" g0 n9 a4 e5 {/ V- U
;;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 N! j |7 V1 a0 j) Q9 }, [1 K, M4 }let l 0 w! g X6 }7 {) i
while[ l < people ]
0 |. w: ]' B" O+ U% w;;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6 v6 n$ f. ?1 F4 `. i
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
6 n& V6 w* R3 F- Q% \if (trade-record-one-j-l-len > 3)
/ Z5 V! h4 t5 ~% y[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-one2 L6 ?3 c W; X/ K
let i 31 } x8 k0 U9 b& D& \6 O+ j2 k0 ~
let sum-time 00 w& m: O m+ T# y% x
while[i < trade-record-one-len]' l! v- M$ i- M5 }9 I
[* h2 W1 J6 d0 Z
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
/ J% o2 o2 B6 ^- P, W+ O3 pset i' z1 N+ v0 f/ P( }7 O! v
( i + 1)
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let credibility-i-j-l 0( y( g0 e* U6 s u8 I' [' A
;;i评价(j对jl的评价)
) W# h9 W" ]: B) L( slet j 3
1 x0 f& T5 g4 ? o2 U4 r, Rlet k 44 X2 P+ } u+ I" P; H8 l4 C- R
while[j < trade-record-one-len]
) e" K) h( A3 ]( D- t[
. f) C! K) q5 r6 Rwhile [((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& b5 [6 _' W' \! ~$ W' v' ^* V
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)
! i% \& c6 W# Oset j! z( A+ N- L( @1 b4 @$ r% K
( j + 1)
$ l1 Q; Z: M- `* {+ l: M3 \]5 I8 r6 r+ x! ?0 {+ K' @
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 ))
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))0 \, c) F( z8 H1 b. q p
;;及时更新i对l的评价质量的评价 g5 B0 ]3 x3 A( Z, J- p7 B, r
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]% ~ l- R5 P- e- `. C* R
set l (l + 1)
% H! I. E+ c; x) e2 i]
' w7 ^9 a. M! `1 x5 b2 Q+ I& cend- X/ U" u* j9 Y
5 ~1 ?. F6 U7 J4 N0 b# Vto update-credibility-list0 W6 @' V2 R4 t9 E/ F
let i 0
" p8 i- t: ?/ V, k) R0 ~& Zwhile[i < people]
; z [: `% ], O9 H[# f1 H, I7 `$ h, J) z6 N6 o+ X5 n
let j 08 n) n1 c: v X" B$ @& V- s
let note 0/ H$ t0 S0 S! n" R
let k 09 y' H2 V9 ^8 {
;;计作出过评价的邻居节点的数目* a. u$ b9 R* \8 M0 p
while[j < people]
2 [9 ?# _3 l$ t6 u# ]. {3 @5 B4 q% q[, j( a5 f/ q! x. H4 y9 o
if (item j( [credibility] of turtle (i + 1)) != -1)
" `0 D! `* y0 B; _) I( J, w;;判断是否给本turtle的评价质量做出过评价的节点# i: b+ b. a" E
[set note (note + item j ([credibility]of turtle (i + 1)))
6 X. ]) g. Y. X; h) ]6 g;;*(exp (-(people - 2)))/(people - 2))]
4 ]! C ^. a2 r3 Vset k (k + 1)
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set j (j + 1)
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set note (note *(exp (- (1 / k)))/ k)
# ^0 @6 U! @5 zset credibility-list (replace-item i credibility-list note)
/ C( @0 C" T; H/ U+ h q2 hset i (i + 1)$ J3 Y" K9 i1 Q y" U5 s
] v+ p$ G; B# D. ?% v! Y7 q
end3 s4 F8 @, S9 V. T, M
* Q- U4 Y% `" A
to update-global-reputation-list
2 {/ k" {2 u/ l6 l) V# T" ^8 ^# q: vlet j 0( S# O# u+ m+ T. g$ M
while[j < people]" b6 j1 l* v4 O
[# c' g5 V- J6 w$ F( f( }: Q
let new 0. M5 ^3 b6 G: l9 J& ]' ^: [8 T
;;暂存新的一个全局声誉
3 T& T3 a. S, R1 B& Y1 [; \* M- klet i 0
% A, n& S, ~8 d7 h2 t H7 alet sum-money 0
# n/ q/ j j3 F5 dlet credibility-money 0
' Y, z% c; v1 D2 D# [- Xwhile [i < people]
3 L8 ^- Z9 t: x3 j8 Y[
% q! e& B T/ c0 [% lset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))( w/ A9 r; O0 k; ?+ `) z+ ?: H. i
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 w1 a) n& E7 `; \3 N9 @set i (i + 1)7 }' x0 \0 g$ j- m" f
]6 c# g8 n' k; j0 `; Z
let k 08 B! z+ Q9 j5 U9 [" t: \
let new1 0
- i J( }- V! Q9 C6 Swhile [k < people]
* U3 F. A+ v7 ~% A- D9 k[/ X+ m+ p" G+ `" ^% a6 x4 `$ K
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)
4 E6 n9 m( u6 R, F/ Kset k (k + 1)5 e3 ~# Q) h) Q; o3 E8 W j( w
]1 x$ c. @' u. x2 S7 i5 I
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
! o2 N" d9 M9 w: m( nset global-reputation-list (replace-item j global-reputation-list new), j9 N" q; i# f# g1 R
set j (j + 1)
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end
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7 w) Y E5 f( u, c1 i1 E! @5 A5 O! h$ w( v! I9 h
$ m- n+ u5 T* ?8 ] _0 B0 kto get-color
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' r+ ?: X8 y0 x" ]set color blue1 s% d- i6 A' N8 @; k2 }
end5 \+ @8 I: p( g+ N* _! H7 p. n
% Z5 {: ?+ e4 _) d4 t0 q' q
to poll-class
; q6 H" V; L3 }, Jend5 k9 |! B" ]( B
. F5 k I6 ~* B5 N O Tto setup-plot1
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# q" G% m F |$ {0 L4 F2 Wset-current-plot "Trends-of-Local-reputation"/ k1 R- G9 m9 U; J4 Q
/ S: i0 q( z; Jset-plot-x-range 0 xmax: l! i" N! i+ Y( Z% c9 K- p
8 ]( E! R& `% t, z# kset-plot-y-range 0.0 ymax
% y& W( y9 ^3 l" V! W7 `( \3 Z( Kend
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to setup-plot2
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set-current-plot "Trends-of-global-reputation"- o" J" }9 E* M
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set-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax
$ J) u9 }8 e4 T7 |end' I9 h- l6 X; K& h5 h' g+ E
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to setup-plot31 N' J4 C3 u+ J9 v6 R! z
+ N9 U* O) L/ V3 F: v. yset-current-plot "Trends-of-credibility"5 O d( |6 T. O& E3 H* c
2 w1 S* P, `6 q& F; D; y- Uset-plot-x-range 0 xmax
b' r: {1 w& t% S( a' S& G& D4 V3 E/ [. B5 F+ p6 q( W
set-plot-y-range 0.0 ymax' K+ w7 F3 u% U2 e: v8 B" ^. x9 U
end$ D0 ^' `" k e' X6 k ?. |+ Z* @
2 x3 @8 _/ p6 E( T3 Jto do-plots
1 m5 F* ^- ^2 M- mset-current-plot "Trends-of-Local-reputation"
# \, [6 a7 X! ~7 b5 q3 h8 kset-current-plot-pen "Honest service". k# D0 K* ~3 w& c
end/ C, T) n% y4 J. O; R6 x
' p; b. m5 t0 L" U* y/ c[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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