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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
0 i- Q6 D: x1 H4 Z& h- i8 @globals[7 ]0 ^2 q3 j g& g+ |
xmax' c. X9 {1 e) T9 W1 }
ymax
/ I4 M2 H/ C$ v! s1 Z, p' Rglobal-reputation-list
0 _! C# v V3 Z4 j) A* y. M
4 |4 q2 z/ t4 V/ e4 I3 R;;每一个turtle的全局声誉都存在此LIST中
: X: K- _* r2 d# W. i7 s. ecredibility-list
' w: H9 s; B! F$ p* l3 i$ F;;每一个turtle的评价可信度0 c" E/ `+ q' ^+ J
honest-service7 o* @, I M3 j; n
unhonest-service
7 G6 h; ~& h2 i8 @. H. a0 koscillation2 G* K3 p0 y1 N: ]' d$ u2 z
rand-dynamic4 F( i7 f, X- K# O( {" W% ~
]
& `) n# F* \0 f* m# O0 v+ }! N9 o
9 ~+ m0 f6 e, H; [turtles-own[
/ n- N% L+ I$ D# Ftrade-record-all( W# r r6 K6 s8 [# A- \
;;a list of lists,由trade-record-one组成
. w: p- Q6 P; M# g( t. _& ?trade-record-one' f4 p1 D; |" x$ f$ A' ]
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录% C, _/ _! g* y. O" [
: K! K8 v! l: S/ @8 S; O% 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]]- J# U* O) l) f' c' y
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]0 N/ U7 J+ l+ r1 G2 w4 M2 H1 P8 a7 f
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
2 s |, p9 L x5 _neighbor-total
; u3 [" L4 _2 v0 ]4 E2 M;;记录该turtle的邻居节点的数目
: \/ Y5 e5 a4 p o3 [7 ~/ Y# ntrade-time
# J- r6 N/ A+ x3 ~& ~% B. [;;当前发生交易的turtle的交易时间4 R, k; y8 a8 P8 U0 l+ r# _
appraise-give1 ^ {8 {4 i6 B3 n# ]
;;当前发生交易时给出的评价
- ]2 c* C! `3 \' u( J; [' g3 yappraise-receive4 n* ], W( Y3 v9 G
;;当前发生交易时收到的评价) { [: K' j! v( T/ Y! \
appraise-time
U, x9 f; f) G- g8 k% };;当前发生交易时的评价时间
$ r8 o9 K+ P. i7 ~3 clocal-reputation-now;;此次交易后相对于对方turtle的局部声誉# I" t# l F B, l
trade-times-total' e7 O( {0 ^/ _) f
;;与当前turtle的交易总次数
. s8 t5 Q- i- A, n! o! @% c; Rtrade-money-total; S1 x3 Q' V% ^9 H
;;与当前turtle的交易总金额
. @7 q1 @' N2 @, l. rlocal-reputation
3 J) r. O9 r' [ @) ?1 {* iglobal-reputation4 z* a& V& n! B
credibility. X6 B7 h8 g. k
;;评价可信度,每次交易后都需要更新
0 T$ _. v( B! `/ Icredibility-all/ ^% ^0 `. o* ~; R2 b4 o% _
;;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/ B' z. \! P3 ]' L6 u* V; ?
7 {: X h2 ^0 X5 h, E;;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0.55 t8 g: s- i. f4 |. W0 N0 u
credibility-one0 P, y# I1 w) [9 E/ u+ @5 ]
;;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
- u4 Y0 k' M. W; K: i/ m* X" Dglobal-proportion0 o ^4 _$ z- }2 I( q9 [
customer
4 Z, L0 [# z7 e( ^2 pcustomer-no! ` g# q4 U# z' I3 C m5 {5 B
trust-ok
- d1 l& t' B' u8 p$ f, T, [: itrade-record-one-len;;trade-record-one的长度
* J2 u' p8 O7 E, d D( g, U, s0 t]' V5 y5 ~" I8 t4 t
9 ~7 @- v6 E& i0 _1 Y4 Y2 u
;;setup procedure% B2 |0 r% q* O# b) y/ t! }
" h1 ^; G+ G: k( U* l* u$ P( [to setup
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ca3 ~* h+ H2 ~! N' `. v
5 |) W0 W" t% C- s6 minitialize-settings. n: q6 x3 m' p' q; ]
2 L! n/ C7 A) V( zcrt people [setup-turtles]% r9 |% m7 O+ s, j' C
& k$ y7 u1 X5 u8 A1 A% |$ G
reset-timer
6 {& t3 c7 A; z( W+ _. d
# O# Z# u- B: U5 Epoll-class9 f- l) k" {$ B" G, z
: |( t0 F, u6 c6 {. F
setup-plots7 u& b) Y* V4 k% a
. n, C* Y5 `& Y5 l [do-plots
4 b, ]" J0 H% U( I0 H& x) D3 |; Dend4 {& p' u7 R6 f& S
' p" f0 Z ^9 s3 o9 k6 L
to initialize-settings
1 A; O& Q8 }2 u6 L% x
9 Y: V# w: U# e, t6 vset global-reputation-list []
d P2 H" I& N! i, n9 I; {7 Y# s) R, q [
set credibility-list n-values people [0.5]
1 F. \' ^1 A8 i3 l2 ]) w; t8 l6 \! P- w: n; a
set honest-service 0+ s- B3 e2 e- {8 ?5 N4 ]
* ~( I P5 P, ^set unhonest-service 0/ }9 ~: t6 Q0 C* |' a! h' |/ T4 K
' n1 j" ~% t3 G; ~9 ]
set oscillation 0
+ [. u' k$ ^8 u# s# d5 N
, y- w' j5 o' v3 J3 D2 Q) r* [set rand-dynamic 0, Z, I( @ z: T
end+ x) s- }& a5 g: f( Z
: B. `# g9 ^5 M' B( U
to setup-turtles 9 H& z1 j, G9 J
set shape "person"( Z% T, N" K( a$ _8 Q
setxy random-xcor random-ycor0 `; c( f8 q' W
set trade-record-one []
9 L- a( h$ \2 Y2 n
6 k z1 v% C* P3 f+ xset trade-record-all n-values people [(list (? + 1) 0 0)]
" p$ X/ y; {' b
1 m# i+ L* t$ W1 X6 i" j- qset trade-record-current []1 t4 P9 Z8 A8 I1 f. t, @, [
set credibility-receive []
- B; L" j8 G# T) K: Mset local-reputation 0.5" K9 f) C% s: V# ~6 T( r
set neighbor-total 0# x: _1 w: r6 v6 o5 s
set trade-times-total 0+ @2 u6 a+ I+ ]+ W8 s( X5 ~" z% z
set trade-money-total 0
; y1 g' A$ ]1 @4 r% j" j2 N4 T+ Mset customer nobody; T9 d3 D1 U( H( t7 L; b
set credibility-all n-values people [creat-credibility]
7 o/ d6 ?' i2 m' _, Lset credibility n-values people [-1]
; k, a; F0 [+ I+ @% u5 aget-color
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0 |. P ~# X6 U2 {: jend
1 r: [# [+ A9 ` D# t' m# ]3 ~9 I J1 W4 n; x6 F
to-report creat-credibility6 l! U. E; N- B! E0 Z. w7 l7 J0 ]
report n-values people [0.5]. |0 t4 i. q6 F- W# B; |, a
end5 @1 M, |' e2 k d" B7 n! o7 N, |4 a
4 J# a# t) y4 M+ W' K* ito setup-plots( n d: {- ]) V8 q: E9 T0 t G" M
- E5 L) p' v( B: p' ]/ ?set xmax 30. V. t+ I* L" k0 l
7 G# O7 [9 e) b
set ymax 1.0
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) u6 Q8 Z/ H- X7 s- A& `clear-all-plots* p9 e% w' F# I/ d! s. E7 N) w
* [! [" f2 O! Y) U- Q, Esetup-plot1
* T! ~2 x9 \$ `# @1 f
. ~, @* Y7 l F0 c( C1 bsetup-plot2
4 v6 ~; s5 ]0 H* B# A1 i
' P8 A5 G* I1 b2 ?! D; Ssetup-plot3
; c2 i) {; y) A2 r5 f, Tend
. |. v ]; Q& A/ ^) ?+ j# [- m; X& p& E' b6 H
;;run time procedures+ c% f) F) V" x4 ^6 D7 i6 m$ Z
/ c6 q) Z, u' \7 n; zto go8 @. B* `4 t; ~" q- Q
& ?, i: \ o$ P9 E6 K
ask turtles [do-business]/ |" M- U7 _: Q @* a
end! j4 X$ m h( J& d1 c9 Z" o# x c
/ ^- j) B% M( j* f4 e# O- d( ~2 wto do-business
( {- z2 {3 v. x2 z$ r3 j6 H$ R+ W# j7 o2 s4 F' l* A7 l
1 i# b- p. F5 u2 H2 Y, C: M+ M: Xrt random 360
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fd 1
* m2 t; L( {, C5 w0 E; Z" F
+ X! @9 s$ {$ D/ ?( j, Sifelse(other turtles-here != nobody)[
* h6 s/ b; x. w( ]0 | ?
* V" @3 K) z- a' i8 Sset customer one-of other turtles-here% n9 l" [: N1 W3 W0 @
' ]" m9 c6 N% K0 j: a3 ~# O5 n;; set [customer] of customer myself+ m1 R7 N. V' R' ^; J
! c7 z( X, |- o A9 N3 iset [trade-record-one] of self item (([who] of customer) - 1)3 E& C; f( }4 L+ U& b* G; R4 O* |% P# |5 s
[trade-record-all]of self- p$ T) a( t+ X; ^6 a( o; h
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self, D3 \! \) d6 P4 k5 z4 p7 C
_% ]2 ~3 `3 _# F/ j) x( ]set [trade-record-one] of customer item (([who] of self) - 1)
3 a8 e9 W; `- A6 o[trade-record-all]of customer
; a5 ~+ K3 i* J7 i5 k1 a- m( Z: f& K0 Z: c; S4 q& b, h$ o: x
set [trade-record-one-len] of self length [trade-record-one] of self; c6 ^" q$ a+ [4 x! k/ `
8 E3 k: I1 L f9 V' r& mset trade-record-current( list (timer) (random money-upper-limit))
- S; z% \: J' T1 o' z3 |5 F% j' L- j' }4 W5 |( P" S4 y
ask self [do-trust]
7 _" J( z$ w" p' d5 g6 x8 v;;先求i对j的信任度6 s* f! |) c8 O( z e1 g
3 S {2 I" @8 [1 ~, P- z' O/ A& a. Jif ([trust-ok] of self)/ W( E- {1 n8 M! B4 [% o1 H
;;根据i对j的信任度来决定是否与j进行交易[
4 [* I: }6 y# K# |: Jask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself4 W2 a' i: c6 d$ r8 `* v
8 Z7 j( G1 E7 a% C1 v7 g; B% J) `" Z. q
[
) o4 |# h" U( ^4 v, ]# P2 V- _! c+ y$ _4 P+ H* c% ]
do-trade
# n; \+ V( H" J/ M) A4 H( Z7 x7 }9 S1 ] X W, g: |
update-credibility-ijl2 h6 s3 j- p, ?4 Y; S. O
" `/ w; M1 S( _9 ^$ |
update-credibility-list* J9 b+ ~4 R! N' V7 I
+ G, ~ g! g' e: [
; _8 h% y, d& b4 J
update-global-reputation-list: F2 e5 n; w9 B0 e# }8 p. m
: y4 u* f- h# k9 F9 w+ W& P( E2 f
poll-class
2 N3 G. r& @$ Z( H5 Z7 e3 o6 d% _# D: h. @& i; P% V
get-color
( `2 P) P& z! W$ z# s
& N* E" A4 _# j' w \- z]]
) M& q5 Z/ i7 |2 [3 Y7 n' { ?5 m/ c% h2 p
;;如果所得的信任度满足条件,则进行交易$ q1 E. Y% O8 y% }, M! f) M
$ o Z+ B+ z+ f+ O
[
! W! w% u2 F: G/ H' u4 w* z+ `3 ~9 b. `. x1 g8 Y2 e3 N8 A7 q
rt random 3608 H8 a& B* H4 s; D; L3 d, u
; i; C& |3 U/ _; `2 B% x1 @0 W
fd 1
( Q; n8 i7 ~% y7 G
6 p6 r# ^/ z8 O0 Y: h]
4 X) k$ r% S- c( M3 X
( H: C( N0 s3 O7 t( [end: e) I' i" U9 x' p" z/ O/ j
4 P( g/ l8 ?* d% qto do-trust * _' e7 [- N4 L% |& K! [5 P4 I
set trust-ok False# T5 b( J/ ~/ B7 E
0 g! c7 M& I( Q1 \) Z3 e
$ @& N ?( H( Glet max-trade-times 0
: \* B9 Q3 _9 `+ w1 U$ pforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]: m6 v( P. p+ Z: p
let max-trade-money 0& ^4 |( o: A) D% c% t
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]2 }+ B i5 p1 f8 y9 d9 `
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
8 i" P/ {# x% B. v3 q2 x2 X U9 C4 a, H
7 Z8 x f2 U0 F' Fget-global-proportion2 F9 l* ?3 j2 `% [ j6 L, N
let trust-value
) H, f: u5 u: b* o5 `" tlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)% n; F8 r5 O" N8 g
if(trust-value > trade-trust-value)
4 T8 v1 }, c, O& W$ D[set trust-ok true]
# y3 g9 O/ D, A8 L/ Bend
5 j5 a4 W+ X2 `$ M6 }0 c8 ]4 C" w0 z) Q: t4 W5 T4 z% g3 M& N, i4 q
to get-global-proportion2 h' O' c3 c- U, z
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
4 a6 I6 I u: E9 d* Y[set global-proportion 0]
+ f7 g: i" q1 c5 H- d[let i 0
; O5 }5 A2 l; Clet sum-money 0! e+ X, f2 d& m; @3 h' d
while[ i < people]
# s5 ?+ b' m3 w- X( I! V/ ~+ g. G" _[0 }4 m E9 g; S$ v& @8 r3 @& Q
if( length (item i* |* [# S }3 Y: }8 E! v) y/ U8 C
[trade-record-all] of customer) > 3 )
! N; s" _, k" ?; a- N" r[0 l {, x$ r3 S6 j( C+ u
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
: v2 ]+ W+ @6 d6 v2 D% `1 t, U]
. S, s! m, P1 a* s$ q1 \] i) R6 G( b, ] t( M: t- H
let j 0
" [. {+ k5 }+ v) `7 F% {" G: ilet note 0
1 d2 X+ M- R: W6 b2 }5 p' [while[ j < people] y/ a9 v6 D# Y) ], s) B. O. t
[
) q# j6 E6 B& } f- jif( length (item i! g' ^& e& d5 m$ B( S5 c
[trade-record-all] of customer) > 3 )
# \ y i" y% i[
( i1 |! d+ R/ p+ h2 K6 Fifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
9 X- B7 E. E6 Y' x6 W% Z[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]8 K0 _% L+ F* V% X. y# ^
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] L: u5 s5 }# M4 T3 J+ S
]
8 V# |& c5 B3 }% S t6 j]" a: x+ U+ i' J6 t
set global-proportion note
6 v2 H. P# N0 O, O) s! P U]
' ?$ P2 g, O/ h; V* U9 P fend# V6 C7 L- R1 W4 Z( q5 w* m8 ?
9 F7 l8 O `- G) S8 e# |$ E
to do-trade
4 G! A, P k) Q# D2 u# m* k0 B! C! V;;这个过程实际上是给双方作出评价的过程' W- {3 b2 E; h; F, `7 B
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价# e. u2 S# P& o) i& D- ^0 _
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
' Y6 J3 J3 f/ Kset trade-record-current lput(timer) trade-record-current% H7 t/ s" |3 Y; G
;;评价时间2 {9 _6 W, M! A4 N' \
ask myself [" E' s9 L6 f5 C4 P+ o2 u; I" y7 }4 ~
update-local-reputation1 p% h; p, u% X c9 m1 A2 _
set trade-record-current lput([local-reputation] of myself) trade-record-current! O% W0 U5 m: I# u2 i4 e/ D3 X
]
R2 a$ b5 d9 ]6 K8 }set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself2 e3 L5 |5 D' X7 O% u6 w/ a9 H
;;将此次交易的记录加入到trade-record-one中
1 y6 @4 I0 E; D: k% W$ q8 N( w6 R* \set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)& h2 H7 a2 b& e1 ]
let note (item 2 trade-record-current )
( O7 s2 M3 A6 [- t- Q8 ~set trade-record-current; h- D4 {# _( Z5 o4 L
(replace-item 2 trade-record-current (item 3 trade-record-current))
2 f4 C/ b& W5 ^* T' I% D: q* Nset trade-record-current; e# B$ E$ c2 H J, r( ?' }5 Y
(replace-item 3 trade-record-current note)
7 [1 u4 ?8 B8 `6 v! j0 y) `) B O0 J
9 D0 f& R- O( _6 mask customer [
4 X2 q1 z: Z9 K! xupdate-local-reputation1 ?+ F6 { c: X' W9 n+ D4 I
set trade-record-current
' K5 z( T a9 y' d! B(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
, G& F6 s6 f6 E. z& i" \]+ W4 C/ N+ P6 b
2 @& c8 i' M$ x3 y( E0 m& ]
0 l+ U' j& h; `- u# F& |set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
, x& D# B3 U# z& h5 U
' \ ~; w* H6 V* ^# qset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
* W/ s% |9 j3 X. C4 g9 p;;将此次交易的记录加入到customer的trade-record-all中& m0 {1 e* d& Y- D" h0 X; }, ?1 h
end) P: k7 }* y2 t; u% m
6 e+ ]; C+ z5 N9 }! w% nto update-local-reputation
) k1 H" P- e9 @1 J9 Jset [trade-record-one-len] of myself length [trade-record-one] of myself
6 _; h; l* @% a" Y9 B; _2 R' B0 _
& o1 V$ Z$ N V1 a5 y* E2 }: q0 N* a" c [4 R1 H& c$ [/ \
;;if [trade-record-one-len] of myself > 3
7 O: | y4 E+ [0 \1 {; Mupdate-neighbor-total$ _5 I- i/ ]) ?
;;更新邻居节点的数目,在此进行
) \5 [# r# P. W" v( vlet i 3
2 n! W E, |( T" Z' }2 Z" {let sum-time 05 I7 V' `5 S& s7 @" X5 f/ i% |+ C
while[i < [trade-record-one-len] of myself]
6 J* H0 e( P/ |! H0 V[% E9 U2 K$ i4 S1 m7 J) f3 O
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ). j7 S- M" R- g) m
set i
' B% G$ {6 j6 E& q" i( i + 1)! w$ t$ c+ x3 _+ d3 |9 A
]# [8 B( f) D# ?/ d
let j 3
" y( s# y4 @" Q( n1 A& g/ A( y7 n' ]let sum-money 0
2 s; G: ^( p% e) Owhile[j < [trade-record-one-len] of myself]4 d3 X6 S1 F2 p7 f$ I! \+ K
[# k7 L2 G1 @' ]+ _0 }, g
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! L( h* @, t1 K# a
set j
- J2 M+ v8 @+ F; E; j$ W* N( o: h( j + 1)
- G x- e' }3 \# c1 h" l]
3 ^; E+ z7 k# q3 D. C z4 Ilet k 3
0 d# j5 |. O& blet power 0
5 x" E, t& u0 w4 z" _6 }let local 0" B* r: h/ b; p; ~
while [k <[trade-record-one-len] of myself]
) Y) v; u% R8 Q% O! C3 d8 u[. I- r8 h p; O/ K$ F
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) 8 D5 j! p$ u; L6 r) B! y
set k (k + 1)
9 z2 c7 ~) C- ], d0 a1 O]
$ O: k4 t: W$ d$ u: [% r7 Z/ S- a- aset [local-reputation] of myself (local)% |) ~7 X: R" D/ B" `
end ^9 \/ n% b: p# `
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to update-neighbor-total
; J% f1 s2 _& e3 u9 O N
; w, `/ f/ n8 |" G: O$ a! Iif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
" X1 z6 @' _7 h
[! E& c1 U7 o5 ]) J! \& Q
0 i/ I1 o5 _" z3 g e- ^end* `; A2 m( B! M# Q( ~% g
; I5 Z& V7 [- @4 N- H; [; Bto update-credibility-ijl
; x7 P2 ~! d; [2 N& k, u; W) ^$ N/ y, e- [( h0 Z9 @- w9 `# [
;;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。/ v3 Q* E2 O+ G. l
let l 0
1 J W- k5 O; q) iwhile[ l < people ]8 |6 | G' w5 w5 ]$ B8 N
;;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5 t. S D+ _8 {% @2 U8 u
[
. Y4 y' b5 L, ~& R7 l# y* m- O4 dlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
) _' H0 `4 q, ]if (trade-record-one-j-l-len > 3)
$ N \: X, V) x" Q2 M' 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-one8 C4 C1 g" J, W" p2 `, j0 \. R
let i 3
; w5 i5 g7 f. @1 s/ I% x+ plet sum-time 0
* U m" p( k9 L; D& l. O- ~while[i < trade-record-one-len]. U. \- k3 l' T- W6 m9 e9 f& `. g
[
! O& d/ L: T1 w2 x7 j) zset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 y' }/ ~7 {' @5 i
set i
! I- j% A0 b& `; x( i + 1). G6 b- T, V8 X# B7 S! u
]
0 I4 W- |) j# x! F$ g- b) Nlet credibility-i-j-l 0; _2 \+ n* c3 K' Z
;;i评价(j对jl的评价)
/ X* x b" b& t. P) Ulet j 3$ D- ]! w. G1 s
let k 4 f9 z! H+ v; x! X2 p8 |+ }
while[j < trade-record-one-len]% r5 q, m5 p' b. Z" X f
[
$ s, h4 m( ]8 d! y3 w% qwhile [((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
# z) F' Q* g( J1 ^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). A: z, H# G8 {+ D# J
set j
8 v' P7 }* T' r) e: V( j + 1)3 n y- @9 w' Q4 t5 w( f
]! ^9 x3 s% u. a" p! h* F" g
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 ))2 ~+ L& T9 O# {3 K
4 s$ l8 E% D$ Y- _5 m
$ z% Z' h0 f6 E
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))! D, a. E( |1 H4 a \8 G5 ?
;;及时更新i对l的评价质量的评价
/ \& w$ X1 G+ ^1 Mset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]' u! b l- t; w, n8 @; r/ s
set l (l + 1)/ B7 R6 V' `( w5 x7 _4 J$ B
]# T& o" _1 A \+ a- N0 D" p, l
end
2 p- o2 A% T+ M t* L F9 V, ?# m! [% D8 M' a& i
to update-credibility-list
5 ^2 t& O3 d, c( M' Slet i 0
/ O) X# c, m$ m* }& ]while[i < people]$ A( R0 m9 R8 K$ p8 i9 g9 T
[6 J) V% B C/ V Q4 ~+ M
let j 0
3 N% s; T8 K2 U1 |# Elet note 0
3 D1 E7 e8 C( i! v0 k. }- `let k 03 A9 X# ^% d4 r3 [; F
;;计作出过评价的邻居节点的数目0 e/ L, d2 U' [3 `
while[j < people]
" M1 U1 Z# w6 K* J2 U[
7 Z+ e. l& w( Y/ Q7 Mif (item j( [credibility] of turtle (i + 1)) != -1)
5 S8 [" [: e2 M: T0 c5 t. K. G;;判断是否给本turtle的评价质量做出过评价的节点 ~ a' {6 L: w9 U" p; C0 u
[set note (note + item j ([credibility]of turtle (i + 1)))
8 m/ B$ B! \" G; E, a;;*(exp (-(people - 2)))/(people - 2))]6 o5 e/ A: }$ s+ d, W% E
set k (k + 1)
: C* T5 J6 I" ?$ m]
" {% r& Q0 ^+ i9 Nset j (j + 1)
& _. |1 K5 q) |5 q2 c]
2 w: N$ X( Z) M" H% J4 y+ hset note (note *(exp (- (1 / k)))/ k). L1 x& z _& \/ I- B$ t
set credibility-list (replace-item i credibility-list note)7 O* O) \5 }4 k: a
set i (i + 1)
3 t9 m W( [* d, Q& i]" j! e4 p2 h2 j) Y" X2 X0 r* h
end
' X; B! G# V1 g& `+ A# R6 \ B# D- {- S5 i) `
to update-global-reputation-list. M/ ~$ W% W) |% p, L1 X
let j 06 B" Y j& G8 k% K/ c5 \
while[j < people]! {/ |6 m9 T" E
[" u( L& U% `9 X
let new 0; h9 H; z! ~, a( }+ }) y
;;暂存新的一个全局声誉
" U- x" Q; E0 z! Dlet i 0
+ s8 |* Q/ H* R, f3 w6 wlet sum-money 0* g/ P# l O2 O# Q
let credibility-money 0* n8 N' F! m! Q9 g' F5 L; P% }
while [i < people], q" ~: c1 A# N/ S
[% E/ |* z) R8 x- r+ _
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
' {" V* H! b9 vset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))6 } [2 Y8 t: u9 t' E2 c
set i (i + 1)
B) ?) y2 T& f0 K- [; p3 ^/ L. w]
" S- ]. G/ G9 {3 Y" O {8 P. [4 Zlet k 0- l7 E3 [+ d5 k
let new1 0! u' A+ d% z8 o0 C9 }6 e
while [k < people]
( a5 E% B) q0 [$ D& z! I$ v[
, \* Q) a. x& ]; [% Jset 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 d' e' }6 E$ Z- C9 w
set k (k + 1)# a2 g: E+ K' A
]/ ?' @% i* i2 L; \, i
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 0 o0 u% N$ {" p4 m ?7 X m& t
set global-reputation-list (replace-item j global-reputation-list new)
, \( B" o% E9 q! U) e$ E$ Hset j (j + 1)
% V5 e' I& G8 r% q: C1 c' U" v0 w] L4 z) ~. T, H) W& ~
end1 G3 v5 F9 C% d B& t: a
' E9 x! H) ^# p) S1 H( T5 R& ^
9 J$ A4 n- V0 e% O. ]& N
: [' |% ~& Q9 |4 Z7 [3 kto get-color
- b: t1 J L6 ^- h
# j: x# x4 u0 Xset color blue* Q9 _6 d/ ] S0 f- g" d1 t2 u
end- I' v3 q9 k/ f: ]
& }$ m3 W+ _7 ?3 pto poll-class/ w" I2 H3 H8 p8 `5 r$ ~( `
end6 c7 I& R" B9 U
( i5 F6 X. q0 |/ Z5 w- Qto setup-plot1
1 v' F! i2 t# m; a
5 \8 m! z) u% z6 F: R/ ]1 `set-current-plot "Trends-of-Local-reputation") Z1 |4 p: v. N0 x
8 D' \9 E" d8 w# S8 P9 F' h( e
set-plot-x-range 0 xmax
. E0 v, k1 V0 c7 S* b; v
/ u" q( M5 E: e$ a& _ M- xset-plot-y-range 0.0 ymax
+ A, m( b1 v& E* Kend5 C d8 |3 U8 [" P- T
% H) d' P3 `0 b+ Y) \" Y1 ato setup-plot20 O5 z1 L) A l9 I! L6 h) K
9 [0 T* |5 U1 ? v9 Gset-current-plot "Trends-of-global-reputation"
6 u2 L E; Q z9 i W2 j5 m: d; {% B* a6 I) g. d
set-plot-x-range 0 xmax
( w* C4 I! w8 N( _+ V
2 |: x) U' q& t1 V- Y4 V. O+ n @2 bset-plot-y-range 0.0 ymax1 k8 O+ d; e4 x( Y
end
) w; ]) f' |" ~, [$ f* z1 I- A; S1 y% x; \+ x6 @/ Z! A2 P
to setup-plot3$ L0 ~* s+ Z& q: N* g
. M. s, W0 _5 h7 i
set-current-plot "Trends-of-credibility"
6 t7 a% D1 }3 s& z1 t f9 S) u/ s2 I t; \+ K# |6 x& H; r
set-plot-x-range 0 xmax
: u" I# e$ N4 h) w! B" Y8 w1 ], N4 O. `0 ^5 b
set-plot-y-range 0.0 ymax& I/ F5 A- ` P4 T& Y. B
end
+ w; v( U- Z/ \" W) I4 f B7 _4 x R0 o% \. F3 n
to do-plots9 e. P8 K6 N: b" P0 o8 v
set-current-plot "Trends-of-Local-reputation"0 V, u! @6 g; C/ Y8 ?
set-current-plot-pen "Honest service"9 k5 t0 |' ^4 H: w7 d
end
/ k8 L5 u% k6 p. }( P& V
& B1 [& L7 P% ?6 }/ g- \1 d[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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