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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
% T; Z+ T6 c- b9 w% J2 {globals[
! U& }+ F" @6 V o0 `0 h; f! `xmax9 O* m1 H* q# c* \) J
ymax# I- ^$ d$ P& ~4 f# |
global-reputation-list. p6 m( M! i+ j$ N3 u4 J
" P. |6 @* J, y7 ` T;;每一个turtle的全局声誉都存在此LIST中( b, t: W0 I7 p) a; C
credibility-list
2 ?$ G( ]3 y. v) } W;;每一个turtle的评价可信度7 v s A" n) Q- f
honest-service
' D; _6 C! P% m6 D0 M; Uunhonest-service, o# p4 b" h" |
oscillation
0 a' Y8 }+ g; r9 yrand-dynamic! s$ E0 Q" n! f2 b% e) d8 F
]( Z2 Y- x' Q0 d5 S/ Q6 I
8 N/ S _. e7 g3 m% uturtles-own[. d, r) \4 ]( m
trade-record-all
G4 E3 ]( H- J0 O2 v! P8 g; C;;a list of lists,由trade-record-one组成/ E. T, s, T1 b$ Z& r+ `
trade-record-one
& |$ }/ C5 V* f- l5 K% @;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
2 S$ O) K9 w: A, P- ?
& P: @: _1 R* ~3 I;;[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]]
& A& {3 a" A( R( r: u: Ctrade-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]3 Y, D6 \! r+ r, w
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
; W0 F R& l/ a; c5 W: k3 ]' ^; dneighbor-total4 Y6 k% [8 e% \5 H
;;记录该turtle的邻居节点的数目" X7 ^# a4 @$ c
trade-time
) ~5 F3 _2 X2 Y; _. G1 e% b- @6 x;;当前发生交易的turtle的交易时间
9 d' Z" q P6 S2 }1 oappraise-give& D9 {; }/ _# D( B% O7 i+ H* C) I% @
;;当前发生交易时给出的评价
8 A* Z5 ^: @" g7 sappraise-receive' b. R% d$ V! G. x8 K- m; `
;;当前发生交易时收到的评价
3 j$ N. N4 G( Z2 k- S" \appraise-time
5 A. n2 O* C0 H0 n;;当前发生交易时的评价时间
! c9 n) L: u6 l9 ? d" K) {local-reputation-now;;此次交易后相对于对方turtle的局部声誉
. z8 _) W, k2 A6 ctrade-times-total
4 t* v( h- X% j+ ^) F3 v;;与当前turtle的交易总次数; c# _, ~" w$ H# Q# G
trade-money-total
+ D4 Z+ A% h# h8 J" w0 ];;与当前turtle的交易总金额7 C: e' y& d8 ]4 P9 ]+ O+ ^
local-reputation3 ~/ Y0 C8 }/ `% ~
global-reputation
8 A- V& Z8 N( k4 q2 Z1 X; t* Ecredibility/ h+ v& M( }7 x" }/ `6 y2 s2 r; u0 a
;;评价可信度,每次交易后都需要更新1 R; U2 [4 O% R- u0 n& O
credibility-all
3 T+ `% ?8 L8 {- Z;;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' N7 L2 }" M) q0 @* b( N2 ^5 \ P
; }6 K- T4 o8 m. o8 x. H;;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0.58 Z, h3 M' [, B0 e
credibility-one7 W% ?3 }( r" Z/ G6 z
;;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/ ^7 x+ e; ?& ]* E
global-proportion
p z; Q, k0 w9 V0 Y% |- {! v1 gcustomer
" f, T, h, y8 ^* I- V( k# _- G) t7 Jcustomer-no
7 P2 E; ~5 p& c8 f& _7 n0 T" Dtrust-ok
+ ~4 w- F- H4 k V( N( m( ]trade-record-one-len;;trade-record-one的长度
4 ]! J* r; O: A) `5 l: _8 B]& M& ^" z" q4 s
0 g3 ~9 q3 B1 p5 N
;;setup procedure! b& q3 K G2 h
$ p u( ?4 Z+ ]$ T/ X
to setup
" W6 r7 i6 |- l' e
; d" c6 z) l; `6 j/ d6 ^ca
1 O% L. s# Y( M, t; {4 }' t$ D2 g6 H/ n( u% D
initialize-settings& W! [8 N! v6 B
( E; j# P7 |, j b. Wcrt people [setup-turtles]
4 e0 z& d' s1 E& L8 P6 d& @) h( e2 [' s4 }7 ^' k l+ C
reset-timer# B7 S, ?' C K( [" u; C
! ~# |) ?+ c, W0 G( Ypoll-class/ n! @, Z+ ` X- ]& h. Y
5 j0 A' x9 H/ s. X$ d5 C3 x
setup-plots; R! T- h( ?. i
4 ]% i# o, d6 ~- y
do-plots
2 n% a' y+ M- j' d# cend
# w$ f4 }9 S/ l) Q) }" {- \+ M Q R+ ?/ i
to initialize-settings% _9 A9 b- S9 S1 c% W
" [$ p C5 T( [9 N* @" S
set global-reputation-list []* s: L. j5 X2 e$ i8 E2 \% o
/ \7 c. a9 `; I/ nset credibility-list n-values people [0.5]4 L! c# W" {) h' h W
4 i; O# |. M" @/ @4 l. g' `$ g
set honest-service 0
/ e8 x/ `8 b0 J/ W w! W6 L! V, |. U- G" R& b" i% S2 H
set unhonest-service 0
5 F* O7 m6 f: Y$ j" m$ |5 z1 {, c1 }* q. Y
set oscillation 0/ | ?% G5 ]" X6 q8 ]' ]
* e5 K) _0 H6 A x% Z: V3 m7 w0 [set rand-dynamic 0
& U) s# u, C8 d2 J) j" Aend
8 A& I* ^2 _$ X% `+ [, g, y2 G) {* _4 O! V" y2 u- m7 s
to setup-turtles \+ Q" c5 V8 q
set shape "person"& V6 Y: Y9 R) }; ]3 g
setxy random-xcor random-ycor
9 s3 u1 W! _* X( f9 Bset trade-record-one []( P- F+ M/ `9 Z! r/ }2 n
+ {7 E, d1 h, X# x2 \4 V( I! I- ]set trade-record-all n-values people [(list (? + 1) 0 0)] " Q/ z% _/ a j& T1 v; L e
% |7 j' E7 J( q1 L0 \! P
set trade-record-current []
i/ S, @8 D/ J! j1 [; aset credibility-receive []. I2 S6 r" U" ]. P; e' n8 y& A
set local-reputation 0.5
( @ S, g: H# \set neighbor-total 0, l5 ]( B5 q0 h( N, G
set trade-times-total 0
$ X$ c6 o8 ] E+ b i# Tset trade-money-total 04 y: { x8 X. _0 W4 A1 y
set customer nobody! Y7 r0 K+ J! i) v' k7 a
set credibility-all n-values people [creat-credibility]5 y @9 I# _2 }, v/ X
set credibility n-values people [-1]: c& E9 q7 `* b8 I |0 _
get-color. J) Y) |0 k! `# H% P; c/ E% V5 \
# c, ?7 q9 g: T1 w: d" d& t
end$ Y0 ?- ~" K- n! g7 w4 c! z
) T) a& }* e0 p# S* j6 S8 G
to-report creat-credibility
% f$ d/ h! T- \- u/ o/ z" H9 l# kreport n-values people [0.5]- j9 `- O1 d/ ^7 G' T7 w
end
+ }4 \. o+ l, G( _/ i% F! h% r2 x" o6 T7 o! y. p' o7 z
to setup-plots
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set xmax 30
! S1 M" o, i+ m1 [0 a. s1 g5 ^
7 ]1 x: o/ l5 G, D5 Y( M* n+ z; h* }+ aset ymax 1.0
6 c: k: w- k F- `
0 ^. F+ W( V0 Oclear-all-plots& }: [" `0 J7 ]6 _0 [4 W
5 Y. ]& m3 B+ y# \; \/ _8 X: a* zsetup-plot1/ f2 W) Y W* @8 _7 k+ S5 S, B3 L3 n' J& C
/ T* f# ]4 M+ H# }9 v3 ]
setup-plot27 X6 J$ `" F4 \2 o! ]
8 y, n# k# @6 D; H" Y8 C" B" R' osetup-plot3
7 w, s$ ?$ v' ~+ r5 W q+ _2 Send' a/ f- l, o- M( a4 v& A
. E- W; ]' ~) g) k3 h' m, Q! };;run time procedures
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to go; L J: z9 T' ]- k$ M2 u
+ Q$ M+ R8 d/ R# f* aask turtles [do-business]
, A) r( K F- M# n& ^! nend
8 f/ L$ y j: t( y! o5 _0 A# _; f9 ]' S2 O8 P4 w6 @' `
to do-business + k. b& U/ F2 u8 e \* }, W2 g
: h2 Y3 F9 \- ~# o3 N3 @: I: y
- b; H# Q5 F4 P9 Hrt random 360
1 t- t8 c) E+ Z8 \9 A+ b7 d/ f" J. d2 u/ y5 v
fd 1
" |3 T* a% H& p& `- E, C1 |
* W2 u8 n" X5 M0 D) d7 V# nifelse(other turtles-here != nobody)[8 _/ U* X- o+ c) Z
5 R' t; O. @- K6 W2 {' N6 Vset customer one-of other turtles-here
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;; set [customer] of customer myself
) @# w2 _" U& i$ Q+ `7 @" a1 _0 k) D3 }1 a: ?8 t7 M
set [trade-record-one] of self item (([who] of customer) - 1)2 `- k) \0 e' }6 z
[trade-record-all]of self
& k: D3 u; N' u4 @& v1 e2 S;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
. D1 t6 X& [7 ~! j& }
3 E5 u' P2 a9 P7 }set [trade-record-one] of customer item (([who] of self) - 1)
. I5 M. ]- p3 f[trade-record-all]of customer
* Z8 y$ l0 { t0 h; q _$ }' z& N' @! F" H$ W5 i9 {% h( b
set [trade-record-one-len] of self length [trade-record-one] of self) g+ a6 y5 s0 [% _9 V, L
2 f3 u8 U: Y3 l8 a% hset trade-record-current( list (timer) (random money-upper-limit))9 q; h$ M) M* M) C S. V; o
& A+ R8 q+ e' t" I3 K1 c1 t! V# B/ |6 l
ask self [do-trust]
! ]5 `1 S$ g9 k, \7 Q4 x5 J: h( Y" Q;;先求i对j的信任度/ I5 E6 {2 f2 y9 V5 m
) ]' S, x) | F9 kif ([trust-ok] of self)
0 i$ x, U' Y. O/ W& C! J% o2 T, u;;根据i对j的信任度来决定是否与j进行交易[
0 d1 h( G& I7 [* rask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( J1 ^4 I! J& A" n4 E
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[( q& E( g9 l% F
( w1 D; n/ o( ]5 g/ u6 ^9 x
do-trade
$ I2 N) n# K/ B" r2 T* B, q1 R# e2 [9 J0 m6 l( D$ D
update-credibility-ijl
$ v4 g, I0 F2 k& p! Z7 c4 f+ Z; ^- G0 j: R
update-credibility-list
, x: U* a0 F8 G! v: H# ?& |8 u' o5 ^0 q" v
6 b8 X( N4 o" y* fupdate-global-reputation-list
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poll-class
/ J, ]8 r/ Z" O# { `; a
" o" F( n4 ^2 dget-color; p! {+ ~0 \/ L3 F2 M/ ?* z: H
: X& U) X% s( K( D# q) Q* M7 t]]
( P8 J8 c" }: T4 \) ~' S
* o @+ V. S, V. B! @+ r3 S;;如果所得的信任度满足条件,则进行交易
: S' X: b7 a/ K3 I, J" r9 b% |9 S2 {
- g$ I2 b, E& Z% |2 ^: i[
( V8 F6 K% \3 b" T! |# C) n" \, G9 m
rt random 360
: }$ h, d' ?" L6 ?, w- a" S2 S8 U: r9 J& x; l
fd 1
8 [6 @+ n4 U6 r0 T0 I
5 r+ r# B/ r* S! P]
8 x8 h! l, z3 e$ w8 j! p8 ?2 j
end# t, b! c+ _! O, V0 I" Y* I7 h
" a8 H7 v9 M8 S& z B% u3 J
to do-trust
$ v. [7 i) v5 i; _set trust-ok False/ |& C8 F9 E; }& x3 @
" m" y) l; o6 D. q
" n5 ]6 a1 G% L9 R% q# w4 nlet max-trade-times 0, n0 G/ O0 X- Q; S7 a
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]; D8 }/ H$ _. T- K
let max-trade-money 0. J8 @9 E; ?9 H5 O2 t3 m+ j* d
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]) e X8 Z# F: W' a
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
! g$ s' n/ @. G7 x. N! p8 G% Y- y* d C1 ~" L
3 ?$ H, B" |3 x5 Y8 N, p S1 z# W( [
get-global-proportion
# |' k) j+ ^) F) H$ l1 Blet trust-value9 k m) Q4 ^. V
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)
8 o6 Y5 r9 G5 U% {if(trust-value > trade-trust-value)8 L2 R. s% |) Z) k. ~) G% V
[set trust-ok true]
6 W: K6 A' `! Z/ ^5 o" Yend4 n2 \" `) D' y0 r; m
* T. l- s/ P: Q# W9 V/ ?# r5 u5 Q4 f% y- n" ito get-global-proportion
$ W3 J$ Z: C2 g4 ?ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
! _/ R& K+ L+ M9 {: w, ?5 t[set global-proportion 0]
- [; {! y9 S' K, o+ w8 s[let i 0" w |8 W4 F( h8 S: q
let sum-money 0
, J1 @9 _+ ~. F( V' v8 L' K& ]while[ i < people]. m; D* i; `4 M9 ^8 L5 ]7 K
[4 Y* Z8 o: _4 I/ x2 t7 I! C1 r; X+ g. V
if( length (item i
0 s: j, C+ @/ V5 ]0 P; e[trade-record-all] of customer) > 3 )! R" {4 z( G3 h- m) w# a3 M
[% [# K3 V/ j2 D3 v! l$ Q
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))" X; t }5 x# z9 Y9 I1 Q
]
g0 W1 Z B# @/ W]0 j; i, i1 t% v0 H8 S
let j 0
( r2 B, f' G" @. d i0 ~let note 0: r. B) m' {- k: x3 P J/ o* ]
while[ j < people]
4 ^. z0 i- L+ I# C[2 J8 |, |) S% i {% i
if( length (item i
2 j8 ~; |! I9 A% V[trade-record-all] of customer) > 3 )7 e# Y1 b p- r8 x4 _5 H H$ C
[: q+ ^1 i3 l; E( |2 q' F; f7 p8 G
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
/ P% [* X( ?0 m4 O3 P4 [[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]0 }6 z' E( G& o" t
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
# f0 ?0 d! r* V/ F]
$ S: m4 F# | `' i]
- n* Y4 [5 k- ~2 C3 D7 u- jset global-proportion note4 z" B( y' I2 _" F$ b
]
& u) [. ]" L7 ?2 Lend
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to do-trade7 W$ k& E; \5 D
;;这个过程实际上是给双方作出评价的过程" e" u6 U# d/ e, l$ M" X
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价( d @% p% y- Z$ o# U
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
( w+ n! k' B# g3 a- p. H3 Jset trade-record-current lput(timer) trade-record-current( G5 b+ t' T* d
;;评价时间8 Q8 K3 f! V' Y
ask myself [
' b; y* }1 u3 ]1 nupdate-local-reputation
( W0 h# ~' |% Wset trade-record-current lput([local-reputation] of myself) trade-record-current
- w; x0 X# ]! b]
& p/ p1 }" i& M' Y! v" r+ Nset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
9 t* J- ?4 O8 W" f;;将此次交易的记录加入到trade-record-one中
! q. L7 c$ Q# A" Kset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)" {. o$ m. k- {; o: q" g p- }9 S
let note (item 2 trade-record-current )
& k8 k" ]. O8 g) S$ \set trade-record-current, g+ Q2 B" a! ~3 O& n
(replace-item 2 trade-record-current (item 3 trade-record-current))
& w0 W3 ]4 b. I6 {: p* M4 ]set trade-record-current! L% f8 G$ H& o0 k) A% x
(replace-item 3 trade-record-current note)" L2 ]$ U4 z! @) c7 J( c
# S6 n8 q( t# J e) }# I2 I; v1 i& j6 G" E. H
ask customer [
! R- q R' R; @# Wupdate-local-reputation
" x% m Y4 E8 n, |$ u- oset trade-record-current
; J5 _) F% j6 M9 h" B(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) % H" N2 M8 {5 n4 A3 f- Y
]: v; c3 T0 u2 F' z1 {( w' n
) }5 Y+ r7 q# C$ u' t& B* h; B' ~0 u! c3 x( z; Y# u
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer) Z- n7 h( C/ M9 P8 L" `+ ^
+ W% p9 u$ h& L+ T1 S0 _+ f0 rset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))9 ]9 ]* r! E6 b* E3 O: @
;;将此次交易的记录加入到customer的trade-record-all中% r% w8 `' x i1 R7 _" V8 u
end4 z6 w" r2 H3 j K2 D# U
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to update-local-reputation9 c5 O! G7 ~9 b* W
set [trade-record-one-len] of myself length [trade-record-one] of myself
( L, |' w$ Y0 M$ l
3 r" g2 t( Z1 W' E4 U+ g% h/ V6 [5 [3 s: v# W9 m# {2 P c0 ~
;;if [trade-record-one-len] of myself > 3
& z* J8 u6 J7 E- M H& G. Vupdate-neighbor-total
) X* ]- K2 |( H \;;更新邻居节点的数目,在此进行
/ K F; p+ I. o+ z( D% j' a4 rlet i 3) B0 H- Y A y; W6 P2 ^
let sum-time 00 D! h; N) q7 D2 ?4 \- ` X8 `
while[i < [trade-record-one-len] of myself]9 ^4 S1 p# Q$ w# c# I' I3 P
[
& B6 W9 y. v( `set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )9 y8 j; R: j, f9 d5 E
set i
3 M7 \, r! _ c2 \( i + 1): O- y o' G/ H1 \9 R
]: s* e$ ~1 W; p" M$ \1 ~2 a1 v8 L
let j 3
# k5 H' F; L" d0 C; m: s2 o7 Flet sum-money 0: ~- [/ f6 s7 P
while[j < [trade-record-one-len] of myself]
5 F0 ]) {+ L! w- z6 w+ V) k" W6 }[4 c$ T0 g: L( w; r2 x
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)
2 e% I% k! G0 o4 H7 B6 I/ Dset j# ]+ W5 P: Q$ L6 T
( j + 1)1 a( ~) u( [3 S# t- ~
]
) B" x; A! J* C+ ~' I$ Tlet k 33 ^9 `+ F( ?7 Y) J4 |
let power 0# A* `! g6 m: V' ?+ J" ?
let local 03 r) ^) q* H* [* G7 P6 g/ r
while [k <[trade-record-one-len] of myself]
5 Q( {& O; {7 n& Y/ r$ I3 w) ~[
9 n" I& _6 @, K0 k, |+ D. B* J 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) 0 R- H4 p. L8 B! j* ~+ N: J
set k (k + 1)
# H5 ^/ ]7 y; t" ^3 W P]0 H1 X5 \1 W1 i" T
set [local-reputation] of myself (local)
+ I' q6 c/ @- E$ Vend9 S) ^) L! f5 ]+ P+ r d
- z. q8 o9 L+ l; v* n: Jto update-neighbor-total B, j) G1 {- J! `
1 X( r- J; q' i& {9 A
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
+ Z7 r2 k! J& d+ j& S6 S7 c, ~0 f8 U) Q, T m! V/ L
/ \9 @. r. V! Q( e4 Q; e1 @
end
+ B9 a$ K3 u# A% P
% @% D1 _" X* o, E: r3 mto update-credibility-ijl + m; }5 Z2 T, i8 u
+ ]) }2 ]( Q& x0 G, k- s; U: ], ?3 R;;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。
% c: \0 x4 r- c+ i# g/ @let l 0
6 D5 P/ | `- a# ewhile[ l < people ]
* \, A; U2 x: d2 I) u% _: z;;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
( U3 }% C, d) K5 h+ b+ q t1 ^. t[
. B/ b2 |5 J; \/ J7 k" olet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
( z' t- z4 o9 G- g% A, pif (trade-record-one-j-l-len > 3)3 M" V% \# {& ?* |4 e# \+ K0 L0 |
[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
& L7 r* G8 r6 |0 }* u( }9 W5 |let i 32 n/ Y% N% v6 P
let sum-time 0
% O$ a: t4 t5 ^# y' @4 T2 cwhile[i < trade-record-one-len]$ e4 ~6 ~$ ~3 D
[
R6 E0 }9 ]$ I% x; X' ~set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
9 ^4 p Y/ N8 K% H+ d1 {set i" _- `5 x: X- n' t: ^6 s
( i + 1)
) ~/ i" {0 T& ]) Y: V2 a]
4 ~& s# W- u9 wlet credibility-i-j-l 0
. h" u6 |" {1 C8 j" i0 |- `;;i评价(j对jl的评价)
& ]& i2 I+ S( Wlet j 3
( M! K" t! M; {* blet k 4
" W- I! n$ S3 F3 |while[j < trade-record-one-len]: D) ^/ d# t6 c- N
[
1 a' O1 ]0 `+ m- 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. Z. r$ g' @0 `; A" W
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)2 j! a/ m. ^; x" a
set j+ B9 Y( a/ U. I
( j + 1)
% t1 `. H' R' Z$ n7 _]
+ i0 |+ ] G/ V# N* h/ u/ Iset [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 ))# _5 Z7 }5 P( d6 E
# r* f0 R2 z1 k5 d) T
5 T6 N( O" m$ O. f' h
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))+ D1 C8 @# v; Y; T7 f
;;及时更新i对l的评价质量的评价
/ B8 p/ A. T5 I# z) A3 Dset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ], h. @4 l- l) m) T( u
set l (l + 1)
. y ?9 [" P# t1 }]5 a6 E/ l- g' E$ F" o6 U: O! f
end
, V3 n" u, X" M3 b( D. ]$ R' a
( R. R. p! r# {& ato update-credibility-list8 U/ a8 |! E0 L8 L$ C8 D9 s# U' G
let i 0" {: a. r% o( o; X) j, O7 Y
while[i < people]
# T; D1 `% Z* E0 ?- O! z0 `[+ h9 V! j% i" a) B0 R& v
let j 0
) f9 b5 Q- l( h- k/ hlet note 0/ \/ t" |( {% @& _$ [7 R, F. [
let k 0! B( j$ Z1 E3 m7 P* ~- H$ S% u0 d' z
;;计作出过评价的邻居节点的数目# U3 X! X3 v: T0 u# z+ n" F% B
while[j < people]9 l' X' t. O! @, m3 a! o# U! V; U
[) d3 G- Q. }: ^* u2 U; O
if (item j( [credibility] of turtle (i + 1)) != -1)% B5 }7 l9 p$ I3 a* m0 M
;;判断是否给本turtle的评价质量做出过评价的节点
5 r9 ^/ \3 H, b2 V- A. D# c[set note (note + item j ([credibility]of turtle (i + 1)))" t, U& F# J1 e% `1 G- y7 |# l
;;*(exp (-(people - 2)))/(people - 2))]
, s$ j! C' F, n& X. @set k (k + 1)6 m9 m; v+ E: |) C+ s, {
]
4 N- s' Z- y; h) Z1 Eset j (j + 1)
: X9 ^+ {# u; ^) J8 D" t7 B]
: `1 M/ b% P4 g8 Uset note (note *(exp (- (1 / k)))/ k)
/ c( P) Z0 |# k7 I; k0 }, V- Yset credibility-list (replace-item i credibility-list note)
1 Y) X1 ~" }8 P9 Wset i (i + 1)
4 O& e8 J+ h' K5 n]
1 z2 R% O4 T, c2 e% h, u X2 Rend
' W* S) e! N% Y( W3 j( M/ ]* |
0 m' m8 @& d6 f' r) v- Cto update-global-reputation-list
2 W8 T( ] W" Z# R% Y7 F! b, rlet j 0
! H6 J4 v6 Z: c1 ` _4 pwhile[j < people]8 l) [3 T# |9 @ S1 M
[
% M1 H- [6 l5 olet new 0
B5 r4 u9 q! u+ D;;暂存新的一个全局声誉" S9 ]# @4 l( p1 |" m8 ^& u) r
let i 0
9 z O( B& g6 k4 w; R" clet sum-money 0
N4 N* I* Y V- Z5 e/ ]. l* Plet credibility-money 0
, t) L, b! L0 e. i% I% Awhile [i < people]7 ]3 Q: K. B* J
[
: f7 y1 @- s* Y' F& J; f& x6 Yset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))$ w" N; x) q9 ]2 A
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))8 Q" @# i3 h9 m6 M- K/ p
set i (i + 1)! `; s' X3 N, Q8 `- n; T- ?9 M
]& r. C& _3 `5 B. K* t* R- ~
let k 0, y' W* C4 E# p8 Y. q- j
let new1 0 y" p4 l( E9 U7 X- M2 o" F' n4 Z
while [k < people], V" E* Q7 j7 h8 g, A
[- k0 H8 e4 E- [
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)( D6 K) P! y# h, j, y
set k (k + 1)% v+ h2 g" w7 ~( x% w, g4 w
]
, L% } p+ P5 }. T' Wset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
6 q) j: U& k- Z7 l) o( ]4 k9 ~ Nset global-reputation-list (replace-item j global-reputation-list new)
# `( @6 ?) n; ]; w4 } Eset j (j + 1)
* b8 K; q- I' t& f]
2 ?4 B. J3 ]( Fend: I* ]+ B: s" U
% U7 t. c% e, L- b5 h
! `$ C) ~4 `9 ^" l$ l% ?* c" D; @9 V
2 B/ X# v1 ]1 j. G0 L; w3 Z# Cto get-color
+ P* K, |% S& V) {% C# F* u4 \5 G$ M
2 ]5 |; [& M; \% t/ h& @set color blue2 w0 ?+ E8 \) T+ }# w6 P V7 m; e
end
, u7 c& v8 ]& y* G0 h M+ i1 e' A. O2 Q) G8 e, f- J: \
to poll-class/ i" @9 F9 k- w! v, ^+ t& W
end
6 W1 R) S: o |, @$ o$ N
# s! V7 h( T, Z$ Oto setup-plot1
1 n. T3 {9 @' {- k
& m0 F+ {: ?; S- wset-current-plot "Trends-of-Local-reputation"
: V- G0 l$ E1 V$ l- G0 T9 U9 p! _, y' h- V7 F& y; y
set-plot-x-range 0 xmax
7 U8 G6 h1 P B% r& ]
7 j5 x" z' g+ \% Q- Gset-plot-y-range 0.0 ymax1 U3 o* L+ M! c4 [+ G6 G, g9 e& p
end
4 k6 g. V1 \4 e" t+ ]3 ]# @# }5 y( x" l. S4 F6 ^9 l; M$ f4 G( {1 g
to setup-plot21 Y2 ?' _2 Z- D
6 c7 q* W- D9 r9 Z2 O8 nset-current-plot "Trends-of-global-reputation"
. m7 z$ z# U. c8 B! O1 j8 ] k
set-plot-x-range 0 xmax
1 _1 h6 C2 I* X2 o
% j2 j3 r3 `$ j+ u1 iset-plot-y-range 0.0 ymax
$ Z4 a, r3 |6 A3 Yend
$ {, D( |& y9 Z2 ^, v# d: t2 F2 a* |3 x; r. p, P
to setup-plot31 M3 L: F5 \' Z, J& X. Z
* Y1 U5 ~8 {# V' R8 ^. W: v; oset-current-plot "Trends-of-credibility") j/ U" k! D2 a3 J& B
) s- H' p! \9 z" S5 [, Cset-plot-x-range 0 xmax
; F! B, c) I2 M* d+ W! S: `. F
9 g2 ]% |: I* I9 w/ ` }set-plot-y-range 0.0 ymax
u1 L7 _8 s9 J9 E4 m# m. s5 Aend; u$ m; U# y; f, l6 t5 B
* S4 L0 e i) K2 N$ c' G: W8 f8 D7 ^' q/ `
to do-plots
4 f6 I1 }7 c# Tset-current-plot "Trends-of-Local-reputation"
4 `3 ~( y5 D3 I8 tset-current-plot-pen "Honest service"
" E! x# E; M" H& Lend
0 p8 ~4 ~% g8 }, R" W* p6 E! G) [1 L( c) D
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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