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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5 m0 A. D& Q8 \ n& d: r, K* w
globals[3 v" H1 K3 h. ]+ ~: H- q
xmax2 n6 {0 y" Q7 I n
ymax
. A- z. }4 ~; B+ O& x2 [global-reputation-list
2 L2 z& a% b7 ? D2 m/ R, R
# m: s4 o3 D+ D, V3 c9 T5 L4 U* q;;每一个turtle的全局声誉都存在此LIST中2 ]8 b# N3 u) u+ ~1 t& k: h4 `
credibility-list, a& i' O" c9 ^' j4 C# N% T0 h+ [
;;每一个turtle的评价可信度
0 ?% s4 |3 N1 U/ Q; dhonest-service
O; Q3 I4 n0 k3 ~9 N8 i4 Qunhonest-service# y& p# Q! @* N0 E
oscillation
) n# o' M p1 F# D' s. Krand-dynamic. A/ W! W2 ~! Z' a
]% s" R) n1 m; W
; |; F) ~! B$ Q O: q
turtles-own[
' M8 ~: Z+ @, h$ R1 h5 ~2 z- G gtrade-record-all
4 P( d) S; s, K( v6 v+ Q;;a list of lists,由trade-record-one组成% p& I# c6 ~% x2 L; `
trade-record-one
3 q# y8 p: t8 \" 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# ~; W/ O9 K. I1 M
# I+ y5 Y& q; s; H
;;[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]]
; X5 ^2 |$ O3 N/ [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]1 x U7 {1 X% 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list7 \( p/ s# |/ O ]% ~
neighbor-total0 A( B( X/ I0 m1 n
;;记录该turtle的邻居节点的数目+ r" D8 r/ l5 z$ H8 C, B% `
trade-time
: E! k0 v: G/ S q- Z) f/ p;;当前发生交易的turtle的交易时间
5 K+ H( `8 {" Tappraise-give4 r2 Y- ~( L( }, s( t" w
;;当前发生交易时给出的评价
+ T5 |; w$ d( ?appraise-receive& O: i- g1 R: r; G. n; M2 x4 j
;;当前发生交易时收到的评价0 w, v, i: `# a+ X+ C+ i
appraise-time
( X' ?# \( Y- A& U;;当前发生交易时的评价时间
" D; _# J6 [2 o8 V) ]4 J8 Qlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
3 u0 \1 V8 Y* z3 v- {) S: K( {7 Ltrade-times-total$ Z* R& G$ l' \1 V: N/ r% l6 Y. P
;;与当前turtle的交易总次数
1 Z0 ~% ] ?' O, z1 ?1 p$ }' Ftrade-money-total; A1 C9 Q. \8 d) M; E7 I! f
;;与当前turtle的交易总金额5 Z, c3 f1 I. @, {5 E: _1 S
local-reputation
3 S, a5 O: v2 z: Vglobal-reputation* N5 w+ I' s1 c, n% S, i7 [1 ?8 Y
credibility
5 l4 j, P! _1 c* t' W" W;;评价可信度,每次交易后都需要更新3 W' m: x$ A ^5 ]' B" W
credibility-all
6 c& H" s5 j; k0 L; o+ x;;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
3 ~1 c. G7 \9 d( v5 W% X
! w& B* q M; c$ K% n/ V* u, Z5 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0.5
( ] A" {- k0 acredibility-one
1 v& L( R7 d4 u- _ 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
: ]7 u( ~/ V; p, B" H; Kglobal-proportion( F/ R6 v; |$ g% V$ y
customer7 S5 B7 ]1 O5 q% i0 W
customer-no/ U# D" B: O& s. [; L' H2 G6 u
trust-ok
- u( J0 Q. m0 E6 q4 K! e9 h! dtrade-record-one-len;;trade-record-one的长度* Y; U3 O' x' v( G1 S( V$ Z0 D0 c
]. r' c/ |+ [6 _0 V% j- {$ \ Z
3 a3 {! N4 x8 @1 `' j;;setup procedure5 M, j: f- F. q% H. |) M
+ p" r# \$ Q. X( f& Uto setup
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ca
2 ]1 f* p9 q5 b0 x/ B
9 G0 C& \0 P0 H4 y5 _% Ginitialize-settings
2 l$ A: Y% x3 o. s: W' ^' H! C% S6 w& T* m& O* Y6 v7 n; k
crt people [setup-turtles]& q8 C5 m7 B: U, u
" e" n6 I0 g9 c3 Jreset-timer
" l0 R0 |" r1 g$ I% u; }. C
2 X& m7 @$ Z% l8 a3 g- Kpoll-class( P W: E$ ]# K/ F: z% s0 `
) g& k/ b* ^0 o) E
setup-plots
# P0 E8 T9 y& N
: r5 i- Z8 z, x2 x% I5 cdo-plots
; G [" f& o4 L/ m/ V0 i W1 G3 L/ qend7 K# x( ^2 F0 k3 j( F0 ^) e1 T
7 E' J1 {" ?0 I+ P# C. W8 ^to initialize-settings
+ p2 b5 I8 M0 n2 a y, ^4 W* D7 S8 ~# i6 T
set global-reputation-list []
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set credibility-list n-values people [0.5]
0 Z+ y! T7 w3 X/ y9 B( H5 A6 M) a2 L2 T3 L% P
set honest-service 0
, v( F* {1 g& v$ B1 [- k0 M) c/ o/ l x1 Q% w- N) f
set unhonest-service 0
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set oscillation 0
8 S; F1 I, }0 X. Y
6 m, p& N# [' `. o+ S" T3 P) c, Rset rand-dynamic 0, m9 I& Z6 u2 |+ \) b
end& x) }: L, E4 Z$ v/ t0 G- {
# a7 [: A" P" _
to setup-turtles
, o& T, S( a: y" L' Sset shape "person" Y6 F5 S+ M. Y/ E9 J) Z" a8 w
setxy random-xcor random-ycor
. U/ |% G9 ^5 jset trade-record-one []
, [' u( R- J/ @1 x W1 V- |& C# q- W. m8 o- s% z& N& L
set trade-record-all n-values people [(list (? + 1) 0 0)]
. R- G1 |2 U0 {" F7 g `' b. K% `4 S. e& k; F0 M4 E+ f$ y$ |
set trade-record-current []/ F6 a1 e( i' q r
set credibility-receive []9 z; k& V. u" j. ~6 b0 v6 u
set local-reputation 0.5# i% U3 d# w) \* J: o* ?
set neighbor-total 0
" I- d5 s3 _/ U: gset trade-times-total 0, C1 Y( a2 }3 _9 S" t& ? H
set trade-money-total 0. t3 H& H' ~7 O" b" E
set customer nobody
* B N8 g" l9 V. R; Q4 rset credibility-all n-values people [creat-credibility]
- X$ b3 H0 n9 }6 I. s2 @6 w: Sset credibility n-values people [-1]
9 l' @& E5 h3 iget-color( c5 I1 J$ @% X$ E& B
9 B+ D% t8 j% K L! V, O, c8 z: xend! @( m5 k; v: T- j; X# U+ k
) a! R! Y9 E& O m l5 rto-report creat-credibility
1 l$ |5 D+ C" c1 j% preport n-values people [0.5]
7 b9 G. B2 x1 x% lend( K; X( b6 Z5 w2 p9 }
7 F5 V, _% b G# m. n" o [to setup-plots: L' B- w+ ^1 t- u4 c
- \+ z! o. u9 ?+ w7 Z- N/ E4 h3 ]: e1 M
set xmax 30. p" W4 v- o: c+ \$ ~% ~# Y; ^
; U; B1 O8 Y7 U5 ]) ~9 ~set ymax 1.07 g0 S" R" z; `' w
: M) R1 z+ d+ A s7 D# f; C
clear-all-plots
' E4 J0 f% m# U) a5 e+ e2 e
! h5 R& r3 {' ~, s' Zsetup-plot1
/ Q7 F. g& O1 U3 ~. L1 Q7 x2 w
2 t( @" e9 f7 }, L, h, U8 s" _setup-plot2* z. b( m) Y8 i) l( {! U- Q
: a9 w" i/ J2 R* V5 l; D/ isetup-plot3
! a- c2 t$ ?! }2 f8 c( }6 Send# x1 s" _! i" `! Z
% `" A2 R7 w; K;;run time procedures$ a8 A3 I( \' u3 r' \3 \, g/ ~) ^
/ D. H7 ~7 r. r1 N# P
to go5 W7 W+ p: S# U% [9 y
- } R8 Q( X& z; @% Oask turtles [do-business]
& t4 o+ T1 ]! M; mend5 X. ^5 y4 Q7 f# l: O/ i1 y: _
: y {/ K ?1 S6 z. t
to do-business # t! Y5 ~2 w( U
3 q" N) O6 h) _' m1 J! K8 p
- P3 k3 k9 o, f
rt random 360
, Z: y; [- B F; V. x2 ?& F/ w6 g* k6 @
fd 1
+ N2 p* u& Z0 ?# V1 J1 L$ j$ s' B. Q! ~3 G0 j6 f* ]& H
ifelse(other turtles-here != nobody)[
- H3 [/ X; t0 R5 J
2 T( @6 C/ w' wset customer one-of other turtles-here3 }/ a J3 p* M# E
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)+ I! v2 V- y$ a% ]7 _7 S
[trade-record-all]of self9 q( m4 c" A5 q4 p3 B" a
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
# \: }/ o$ z1 u+ L% j" n T
1 s, z( q4 k( f3 ]5 pset [trade-record-one] of customer item (([who] of self) - 1)
, o% p; m" {: {3 F[trade-record-all]of customer' w7 W9 W5 I8 e0 j. v" @ u( V
7 f6 ?+ L; D2 X* c, xset [trade-record-one-len] of self length [trade-record-one] of self( L% P+ H* M5 s
; E5 A8 G. {$ p7 ` l
set trade-record-current( list (timer) (random money-upper-limit))
- m0 R, T% Z$ ^! Q* g
u2 z; d- ?9 ]ask self [do-trust]2 w' g* O: c8 {5 `6 Q1 g# r
;;先求i对j的信任度/ I, U' A% |, m4 h+ j
' k0 G& v8 j( N Cif ([trust-ok] of self)
$ ~6 H8 \: i6 }* h8 ~;;根据i对j的信任度来决定是否与j进行交易[
* Q9 r' F, C6 b6 w' l- |ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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S6 M7 A' n3 J9 G/ T# o& r4 k[
/ o+ A$ P/ z! U
2 T8 }- p- ~% Q& E7 V# {do-trade7 d9 M6 G( @3 q2 W, t
. q# b, v5 L2 c: J3 ]update-credibility-ijl- Q6 R# w. @. |
; |- k8 _; J7 O. H Supdate-credibility-list2 X# E7 `$ [# @7 h- t
5 k+ \' v/ r! K1 y t
5 a* J l" j: {8 m3 H/ gupdate-global-reputation-list; x2 P* U. o5 G+ ~1 n' D
% _& p5 [$ n& d& s+ _4 H8 S
poll-class
: S" z7 a( z x* p3 A1 @1 U
8 M/ [' p' V" C( N! zget-color: V4 e3 Y) }# A( @
2 s! o$ F- V) T$ W]]7 h/ v# w1 G5 N. u3 x
- d; h9 b" v4 d3 Y6 X, W9 @;;如果所得的信任度满足条件,则进行交易5 O r4 B! n! E( ?1 @1 @6 f
; ^7 ?6 Z) V9 h+ x# s
[
; `0 r3 |* w) m, S9 m+ j: ]! \0 o
rt random 3601 H- r1 D G& ]7 n0 J( W( \; W
# L4 m8 x/ b8 ]. e( n2 C n) i& g
fd 1 L; ]1 k( a S
7 a5 I1 X8 ^3 \+ h# `: L" h U* T/ R) p
]7 G" `& v0 g2 ]; `6 C
9 r! s( |; y) B @) G$ p0 L$ Pend
T, h3 M" E" f$ w; W: }% l' X5 q4 k" k- K: f8 r p
to do-trust
6 d. X8 ]" H S+ i( h' pset trust-ok False
+ F, e6 z ^5 Y& S' k. ?- R* f
! t: `! ^9 v; F4 Y% E, T: @, h$ h. K2 T8 ^
let max-trade-times 0- f2 Z E! n1 L# r+ t- T6 f
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
+ V( B( }+ w* P- }let max-trade-money 06 W% ^' [2 P( B
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
; R0 H; L( t2 e5 Qlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))* W1 s+ {- ~, V( x
) P" N @. ^- V& z$ I# Q9 N# q9 v$ Y7 L
get-global-proportion& i; S- @4 A- j3 X2 T
let trust-value
8 c! H, S9 U' M9 E1 p5 { 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)& A) f+ `3 V' X, U( Q* r
if(trust-value > trade-trust-value); ?9 L, b, T$ M
[set trust-ok true]
% c. R! G- F" L( Z4 N l8 hend8 \: O& J: c" |& m! A
$ Y, R% J5 w8 Zto get-global-proportion
) M9 Z: _: b4 t- \' Nifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
( f# G1 J8 K) v, G, r9 q[set global-proportion 0]% h6 `2 E: u" V& _$ _
[let i 0
1 ?1 l }% E+ k# K5 g7 N9 |let sum-money 0
^; I% n7 q% X, |; A2 M( f" dwhile[ i < people]2 i3 r) {: v7 R7 ^0 n9 }( }
[
0 U+ E0 j C+ i9 Xif( length (item i
5 r% |: H0 Y+ r8 }+ X* ]4 x" Q[trade-record-all] of customer) > 3 )
! x8 _4 _; e' b6 C[ h) p. k( E/ l c3 T
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
& t1 O7 I& R4 S s) V]7 g" E( r& h# ^6 q" t2 j( i
]
9 R& |2 m! a5 t. P/ } k* ^let j 0
9 [7 Q' o* e! w: ilet note 0+ R/ A* `2 R! z; r8 r) W( U
while[ j < people]! l# s$ K8 D) {. b" ]0 A4 I/ \
[
: g) @6 {2 ?) l* n( j; Kif( length (item i2 x" E% i+ Z1 a9 \$ s1 _
[trade-record-all] of customer) > 3 )! b* d: {4 ^% p# M. [, E6 X
[( `/ t1 q2 \1 x- h' e3 I
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
5 N+ i3 ]3 _) o+ @0 n2 Y[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], p9 o% w- j' R1 l+ A0 t0 S; \* n
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]6 j' y& L! p( f& X; z
]2 B' ]/ L/ V+ I3 q: a6 ?2 @
]
+ X% @1 t/ s- X& h, z1 ?" zset global-proportion note, ~1 z. H5 \( F$ t. q' W$ b; ^2 C
]
- F, t* y( K* ~/ p6 send
. f S$ T) \7 G2 r5 @7 [: P! n. E* e. e& @0 j+ x
to do-trade+ j/ X2 i+ H c6 X1 u
;;这个过程实际上是给双方作出评价的过程
@ c2 n) P" r# [set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价7 q; t" }7 f5 _! S" ~
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
* x [1 r' R) a1 oset trade-record-current lput(timer) trade-record-current
5 Y7 ?3 Q9 Y" ~& f0 P;;评价时间
5 h; W8 T- n; C0 G, b7 pask myself [- C& u0 Y. h7 m0 D6 C
update-local-reputation
- z2 k: t* a% t+ H. gset trade-record-current lput([local-reputation] of myself) trade-record-current
8 a' D6 @. G- f. J8 S/ k]& a# ~% |; q7 c& }8 u/ W& y" R: f
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself# U: d2 _8 E3 J; N5 n4 N. E5 s
;;将此次交易的记录加入到trade-record-one中. {' O( a) l- E! M0 t; {) O' X5 x- R
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
- d% d2 q$ J+ E7 @* Y+ `+ S4 }5 Mlet note (item 2 trade-record-current )
7 b- \: n5 O* H; Sset trade-record-current( A5 h( J$ W% K5 B5 n
(replace-item 2 trade-record-current (item 3 trade-record-current))
4 @1 ~" C2 F6 }9 k* t9 t) Aset trade-record-current2 U+ f1 @) p9 O
(replace-item 3 trade-record-current note)
3 H! }0 y4 R# b B0 M! n0 T; D$ Q; m8 O3 ?
( R; {4 a. L: b q2 `$ {; J% yask customer [
! S/ U& o% U6 M$ a" \update-local-reputation+ {; e& K3 H8 L* p6 _$ o- ?, C% h
set trade-record-current. z+ _) _* a' p+ z2 R1 o& c' u1 V
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
3 f m3 O* z5 ?9 P7 v* K3 m0 [6 w]
5 u+ d9 e: k! E0 U$ F7 {+ e/ k2 A5 p% Q' q, a9 t. v9 D
9 z2 z- m# X. {5 c3 s; |, ?set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer" x" y2 `2 ~. F1 Q+ |
2 q% V! v" C; K! a
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))$ R- m1 l1 G0 w" V
;;将此次交易的记录加入到customer的trade-record-all中
) h8 B% B" r/ c& `" cend! |1 z$ K, D6 U, W) G( ]
% v. B1 l r1 R2 \2 G) l P% i
to update-local-reputation
7 h r" J0 j$ {* {! q+ \2 Zset [trade-record-one-len] of myself length [trade-record-one] of myself4 [! o" q0 b& _% N# D# I0 s
9 u) W' k% t9 r. a6 I, G# Z& f
3 f* ~" n/ m- G! [- y0 M" F;;if [trade-record-one-len] of myself > 3 4 ^1 `+ G! o! }' Z4 f3 n7 R
update-neighbor-total0 R9 V; Q" x- p8 y- f' x
;;更新邻居节点的数目,在此进行
! J* y; V# S5 E8 e, P2 @3 Xlet i 3
9 r C$ h3 d" w2 Q, S) clet sum-time 0* \# O9 @" c- @$ i
while[i < [trade-record-one-len] of myself]
$ o- H* B% n% |, u" G/ Y[9 R% v. l# b0 K Z0 V. ?
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
) T0 b# C. j: \6 w( L; b# o; fset i5 y- l' z; X% N' \, P' D5 U, e
( i + 1)
2 P3 {- Y- f1 L$ y4 ^" G$ P]
. l+ G) w" C; v/ ?" k- L# z2 Olet j 3/ ^0 N- ? Q+ \7 a$ Y, e
let sum-money 0. l j& K# c( N ?+ t
while[j < [trade-record-one-len] of myself]' l; C' V! }5 ]; }" D z# q! }
[% W ~# L; f) b1 p
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)) H5 W% z. E+ R5 q: |0 s, w2 I
set j* q" t! V/ U8 x' y7 N; Z3 Q. N# I
( j + 1)5 m4 {2 T" b2 g' d$ c
]4 K8 G% ^: ^" F
let k 3
; H2 ~2 N7 G" J- i( p' P* X S4 Wlet power 0
' g6 c* a5 Y5 w2 Z9 klet local 0! x# E) }! {0 m! u
while [k <[trade-record-one-len] of myself]& t$ E! {7 V" B
[
: M& L9 H$ X0 Z n: N& G( Eset 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) 5 u/ ], M+ i6 E V; h
set k (k + 1)
+ a% d1 a" i! {. N0 t]3 _) b$ F, P3 Z9 {
set [local-reputation] of myself (local)& T; C ]6 T: }7 j3 A. r4 J
end( K1 m( H! J, n2 D% _* [8 ]; l
# @) p# I3 ? {+ b# `- ?to update-neighbor-total& y o7 y. k( i& F0 Q( n4 q& U
2 Z T# L4 [5 ]. p9 b
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]: O% X- U" [- ? G8 c/ |9 B
$ I" x% p; j3 @' v
6 A3 ^9 b, Y8 s8 w7 J4 yend. |7 P6 m( v* h, K4 w" N
[- J3 }2 d8 n9 F- e
to update-credibility-ijl : a& k0 d3 O% U
# O! J" w1 V+ q3 Q- q;;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。
( n2 |1 N+ A& ylet l 0
: p, H/ i+ b/ f$ Y z: Q5 g. ^while[ l < people ]( w/ }- X" f! n' K3 t' S' m+ c/ ], D
;;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
1 L. Q' g8 m. ? [[
& J O4 r2 M; a1 ?let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
( i% N! X5 R3 |; U' M$ Xif (trade-record-one-j-l-len > 3)! o! s* Y+ F; q4 J- Y! p* @
[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
# n5 f; s' O1 Q& m( Ulet i 3, B9 z7 H7 B; I4 i% O1 k0 i
let sum-time 0# u f' Y; `# g5 g' b5 |6 T
while[i < trade-record-one-len]+ f: O2 P0 {) ?$ b! ~! L1 o6 d
[' w6 ?: A5 X6 }* I
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
% v4 {) c/ Z X: a4 yset i
4 n( n! g* O0 ~! A( i + 1)
( W. x1 C5 z$ p/ ]+ _1 F]9 [* q2 a5 M. p* ?# a
let credibility-i-j-l 0: Q* I8 ~6 o# s: Q
;;i评价(j对jl的评价)8 Y/ c9 x; v4 P# ?# M; c
let j 3
8 K2 u, G/ s6 r+ alet k 4
3 K9 F5 F" M. v9 L, m" Z" ]) lwhile[j < trade-record-one-len]1 g4 ^: T# m# P" T8 B0 Z1 H( h
[& o* T/ a, Q& G, \( \
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/ E m4 s) B1 V$ d0 P% J4 M
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)
% v; G7 J h' _( X7 s4 rset j
% L7 T7 J5 B# }, M* ~. _+ S( j + 1)
* z3 A# D/ \" m% {]
0 S# F) [& k) U& R( oset [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 ))0 n( t- L* G* e8 ^
- N, Q+ h/ ^- h! w9 [4 D! p% D7 ^; K
3 g" M9 L# ~- ilet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))8 d8 v r1 b, ]! g! w
;;及时更新i对l的评价质量的评价+ b- H+ d8 b# @
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
% O; ]9 c2 h, y% w9 |9 n* N2 P3 Bset l (l + 1)
* {2 S" P# }6 r' U/ p; A3 e]
5 E: h& b g! ~0 U: P; d: x& O; B5 iend) x; r8 _( i# L$ t$ k, r, [
/ f4 x; N5 q, b6 ~
to update-credibility-list
- K- O( z$ j! d) ilet i 08 X, S9 X4 t- Y8 T4 w$ M
while[i < people]/ G& l/ h( H7 ?+ Q* j
[! E: X9 F$ ]- l! U" v; k
let j 0 M4 L2 O% a, Z1 m: e5 x
let note 04 W% I; O9 R' V- [
let k 0" ^; c! I- p) j
;;计作出过评价的邻居节点的数目( p' E, ]& }$ x* ]* H! d7 ]
while[j < people]
8 |3 B5 Y+ K& f, C6 C5 t1 Q- E[ h j/ o4 _5 {2 M2 h, v: M
if (item j( [credibility] of turtle (i + 1)) != -1)
2 ?9 F J4 `: T$ g;;判断是否给本turtle的评价质量做出过评价的节点
p% B5 J) j! b u. j[set note (note + item j ([credibility]of turtle (i + 1)))
3 S" y; V7 z. T. K3 M: f: p;;*(exp (-(people - 2)))/(people - 2))]
* o' u% a4 O. y' Qset k (k + 1)
2 J! U' X# C2 P; l]6 f: C- p* ~7 u
set j (j + 1)4 H9 u6 \! F& y! l k/ ]
]) z1 y: D1 S0 F! L& o, s1 b/ W
set note (note *(exp (- (1 / k)))/ k)$ v7 Q. ]. A6 g$ l2 v
set credibility-list (replace-item i credibility-list note); _" G+ U3 s% K' D/ n
set i (i + 1)$ Y1 ]2 V( z% b: \
]/ o* d, @. O: [4 C& ^3 W& }0 Y
end
9 ~" U& Q4 v) u/ G7 W# N
+ h" I' I8 F V0 S) ?to update-global-reputation-list" j0 J" g8 r) U$ M8 M
let j 0
1 n" I- ~4 w# h3 h- k+ N8 y I5 h; Xwhile[j < people]: m6 y$ C, P, a. M. R) F: g
[
( R, n/ y0 Z: L6 Tlet new 0
7 @& h1 _6 q" s;;暂存新的一个全局声誉. [- b6 Y! H* M) U. t1 d$ g
let i 0
0 u6 \2 c- t: \let sum-money 0
# o% r) C J3 V. B3 l' xlet credibility-money 00 o' H4 ?% y# e6 K
while [i < people]
9 s" U o' f2 R' H4 T" N) Y8 O) M[* X9 p+ e k+ w( ^3 o, T! ^3 \/ D
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))/ I( ]6 I% z7 H* R: b; J: |
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
) @/ F, T1 L2 b* n7 gset i (i + 1)$ y) ^) d K7 T1 Y, O: R
]1 H6 U9 P/ ^; e) g( h& T! ?
let k 0( h U) Y/ B3 I7 e/ n# ^
let new1 06 ?" i4 l4 M2 J
while [k < people]6 ~4 G0 i3 p6 L
[0 @9 W. z3 n0 ^0 D
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 O @. t' B$ X7 j7 g* c% M
set k (k + 1)" B8 p/ z, N0 q% r
]
5 \+ W. d6 f, `+ C/ B; b7 F, _set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
3 p& B* u$ e& p) D( ^3 Yset global-reputation-list (replace-item j global-reputation-list new)
, l0 z: Y0 J: Y0 \% e* ^* Qset j (j + 1)
8 i* D; ^( b: M/ t4 U0 {4 N4 h. K]
+ F! m6 w% L& H1 v" N3 mend
& W5 q; j& D o& X, }- U/ J
9 I2 _) y+ s1 S# P0 N0 l1 V
, `+ _/ y* I0 o7 Y6 h) y2 @
8 R. J1 p: J( ^$ y2 jto get-color
' P: K: ?& H, k$ t }( ~0 ^4 n
3 t( t5 K1 Y, y( B# ]set color blue
) G/ t# q( h% gend' e4 d& ^4 J* G/ Q+ l, f( w
% y% Z. E4 T& R" U
to poll-class
' u! P! S3 N+ D* J3 ~9 Oend
+ t6 P2 p& s7 ]$ W# V
% L& g" q1 O. o% f- oto setup-plot1
, R. @, J5 k: X' \. [
/ q, D/ {3 s: z: Qset-current-plot "Trends-of-Local-reputation"
$ \$ O+ N& y" F) W7 _) Q. s3 g: _- D4 R' ^* s8 p
set-plot-x-range 0 xmax
5 j2 H5 z6 }" l% [' @* a' B" c( A C E1 n: C2 K* U7 {; A1 h" R
set-plot-y-range 0.0 ymax
* q1 \% s) u- s! K4 }end
+ |5 t5 g8 J9 `! e" G) ?. K
( r4 k. Y' \% y: k j R/ X8 fto setup-plot2
8 z R; G6 u: n, Y& H0 o+ r5 g
7 W. Y/ x& E& s5 P6 Dset-current-plot "Trends-of-global-reputation") Q& O% }& Z* K- s, z8 P
( \. q: t6 y: {3 {/ }6 G
set-plot-x-range 0 xmax& J- w. r% Y. r2 s# {( E& H. l4 d
! |+ \9 M) W9 A; O2 Tset-plot-y-range 0.0 ymax, Z- } [6 h5 c& U, `- z
end
1 s+ F2 M! R0 b: i- \* t- e3 U4 s4 h
to setup-plot3
* g" v2 {. E4 [5 e9 P
. W1 ?, w$ a7 ]/ \% cset-current-plot "Trends-of-credibility"
* {5 d- T, w4 l5 l# w
?; {+ h$ W! v. q9 y' x: gset-plot-x-range 0 xmax
/ I* _0 }/ ~5 i6 @( n/ V+ T
1 H' u, |9 U3 u) l1 I. Q7 x, zset-plot-y-range 0.0 ymax
. S; \& j T* Z( W5 x4 B8 U' ?end
( l, D3 a. `0 X3 [8 t' R$ p) ~2 b1 O* [
to do-plots2 W1 W& F1 c3 e5 I- f7 V, m2 m' A
set-current-plot "Trends-of-Local-reputation"
* V7 _( S# o- [set-current-plot-pen "Honest service"
) @8 O) l$ N4 e4 W. Q5 v( Oend" u, M" C# f- |( o1 V/ ?5 t9 U Z$ p
1 Q' T( o1 J/ V6 ?( g[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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