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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
; x8 S( |5 F; _: Lglobals[7 E) d: G. C8 E0 V* b b
xmax5 ?0 H" P# x4 |
ymax
8 ?! O' U/ V4 g' Uglobal-reputation-list5 @2 Z* I, @7 q' a: Y
$ W8 S$ b2 w, |6 e$ n4 R# n
;;每一个turtle的全局声誉都存在此LIST中
. y* S" v# ~7 Rcredibility-list
! d# U/ o* [& V4 V9 c9 O* b;;每一个turtle的评价可信度
& X) @) t0 {0 G1 w/ ?honest-service# F9 j N) T u+ Y" a, ~% o: C
unhonest-service
% P5 B6 K t, z3 u) |oscillation8 m2 c3 V7 f9 [
rand-dynamic) W8 |4 g _* X( u' @4 O
]' h r# u! Q" _/ P3 h# U
$ l: l! j3 a `$ m6 uturtles-own[6 g- E) L) e* V4 B6 ^
trade-record-all
. W2 J* ^3 ^" E+ a9 E;;a list of lists,由trade-record-one组成
% @# g& J# ~, F, A0 B$ P) P/ Y4 G3 R; p7 jtrade-record-one
8 J5 p( ~/ r6 m% b$ Z1 u7 L;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
! f' G: Y0 F( o' t
0 o5 b; `+ j+ T1 G4 f* L;;[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]]& \8 p: j% c- O ?7 a
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]6 g6 P5 c/ J. Z& G. R: [
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list0 B0 \/ \/ c7 p
neighbor-total3 B3 j0 E! X$ L$ Q f# y( ^
;;记录该turtle的邻居节点的数目
3 ^/ E o& c* Z' R9 j& etrade-time
2 t1 o2 s( }6 V% d D/ m;;当前发生交易的turtle的交易时间
+ @9 f. P$ S) o( V7 Aappraise-give9 D3 j# a" f! V& I4 C
;;当前发生交易时给出的评价
' r0 m" p q2 x h% uappraise-receive& t8 m( k) N& _
;;当前发生交易时收到的评价
% z$ |7 Y1 q. Cappraise-time3 S& d1 A$ s( {4 Z a# [7 g0 ]* H
;;当前发生交易时的评价时间
9 W* {( U6 _# P& x slocal-reputation-now;;此次交易后相对于对方turtle的局部声誉3 T5 s/ a& G9 i: d; r
trade-times-total
7 s& Z2 N5 K2 W' C/ w4 K;;与当前turtle的交易总次数
4 y9 P$ s- B1 _/ Itrade-money-total; H& k: p. T6 q3 N/ k) e
;;与当前turtle的交易总金额
8 [) M* h8 ]3 V( y* Ulocal-reputation
( p3 u& d& ~, d* P _global-reputation
6 F4 u/ x6 K; ?4 V, u0 T, Ucredibility) E- ? [* [! s9 ^: i
;;评价可信度,每次交易后都需要更新) s/ l. ]. Q. l
credibility-all2 E% v! d' q" |6 H1 Z, B+ v: L
;;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
2 C5 l8 U/ \6 P# i' {" P! ]: g" Z- [/ }' X, T/ a/ k$ o
;;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
- `9 K3 ^) q& y1 k; O. ?2 e9 @credibility-one
+ a0 u0 t1 b7 ?" A# r1 C/ z9 p;;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
( f% T7 X% k0 R, ^2 A9 cglobal-proportion
% g# d7 ?* K. l) Ncustomer
4 ]9 u7 i- N- z. f- Jcustomer-no
% ~" F6 ~4 }, U, Z( {trust-ok* y: u Q% S9 l
trade-record-one-len;;trade-record-one的长度
, [/ M9 S3 t- I) p2 W" `$ r]
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7 n, v7 c$ _! l1 `# D;;setup procedure
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to setup% v; ~! Q4 M7 }" b7 p
9 Z8 I5 P! I, q8 a' u! E3 |ca
; t2 ^& y' p, F2 r j' e6 o X( [( _( ]% q* O0 m; N3 [( l
initialize-settings
9 G3 ^: x' `. p, R3 H: |! Y5 l: \
crt people [setup-turtles] ]0 e% d: M$ F! b6 y
3 H1 C% n) O) [; h3 M4 p0 Y% F
reset-timer V9 G" R Y, X4 j9 Q' d7 n q
- X/ O* O! L; g( `poll-class
( W7 G7 D7 K3 h5 W) P, v6 b6 \4 _
+ j/ ^5 ?& w- N% Xsetup-plots
( O1 ^, Q1 B# K$ a7 Z; d+ o6 O8 Z7 O8 |! m5 A6 F" W
do-plots5 B! ?+ T8 h$ S/ P% q% A
end
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; K8 }6 c: R5 A& a& d- E1 Lto initialize-settings
% w& U" V. v& M( m6 {
5 y% E3 h M' _& {set global-reputation-list []
2 L4 {/ K, w5 F9 O3 J
5 r1 [* X u; f2 g" e) U2 xset credibility-list n-values people [0.5]
: q- S) |) X6 c. b! P9 b. s9 a ?9 k1 k; I" ]9 p j6 Y' P- n# K
set honest-service 0
# i+ o2 n* R Y3 j. S" k, `5 v# |& a; a' T3 ^3 Q4 \0 I, r( _* q$ O
set unhonest-service 0" F' J& e& G$ s W7 @! I6 [3 q
7 ~/ @( [$ d( Z* H1 Gset oscillation 0
" i M- ~- I, b+ c& `
) e8 a% }. b5 D6 m2 U0 Pset rand-dynamic 00 k. E( p8 z+ j* l9 i# U* H& _
end
! R- Y! v$ j- x! i/ G a2 x+ Q" C% T* A, Q' m* n! z d/ L. \
to setup-turtles 8 p+ V' `1 T- `* V
set shape "person"
8 ^" f9 \. Z3 f' q3 \1 Rsetxy random-xcor random-ycor
4 O% N2 `, |6 n6 t# d, Gset trade-record-one []
) t e+ r3 W' _1 T1 `
7 V2 X4 j0 B2 c( e; V0 e; n2 dset trade-record-all n-values people [(list (? + 1) 0 0)] 1 u! r+ n* D6 w P. w6 f
: [" @" x0 Z6 n0 S. a
set trade-record-current []
/ J7 ~, g% A- E# gset credibility-receive []) Z& b2 \% L/ u2 x& W4 ], q# A6 b
set local-reputation 0.5( e3 U- X; p" I3 P5 y( T. ?
set neighbor-total 02 c& ?8 }( T- R7 C6 N1 ^8 w) R
set trade-times-total 0
" ?& Z3 m, r2 p! tset trade-money-total 06 N% X& e. o* e- q6 h
set customer nobody5 T+ A$ u: x& S7 T2 f5 J& M
set credibility-all n-values people [creat-credibility]
% @; ]) @$ l0 V c; tset credibility n-values people [-1]
1 U/ k& n4 e$ ~- x& P# A ]get-color0 j6 o& n) N8 q3 [0 ]- ?2 Z8 y
$ @" @0 K( a3 J3 F# f" B7 V0 T2 gend
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to-report creat-credibility' x% Z; P3 K# ?# Y- l
report n-values people [0.5]; @3 o9 e2 ~7 e+ M8 Q+ B. U
end
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to setup-plots
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set xmax 30
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set ymax 1.00 ~" k+ c7 Y' b3 M7 k
% ~" g3 ~, }- B* \clear-all-plots
3 K& q& O- Q# H0 h# ~1 e
% ^6 Q+ N! G2 |setup-plot17 |1 x; W9 T/ A/ i
% w9 B0 v; }% z. ~3 t
setup-plot2% e$ H! ]: J* t9 s2 d& Z0 ^- o! W
- U% x6 v' B, O. J6 \1 b* q5 }* Isetup-plot39 [( ?+ l' L1 E) f2 g( A! e
end
7 c. Y6 c' {: e) u) E7 z7 I
; E i/ E% r# ]; |- Z: }! C;;run time procedures, Q6 A& u' b8 m+ R# @
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to go
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5 r2 Z5 \+ C7 V& V1 c2 _- n- Qask turtles [do-business]4 e& t; j! P8 Y4 a; X
end
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9 D2 G2 e4 X( C7 y/ q4 v6 q7 ^: Wto do-business 6 [! h- f' z( D& u- M* W
1 V; D7 [: @3 D2 R( D& P/ ~, \3 @1 J- Z J0 g3 Q6 D0 d
rt random 360
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6 ~ s7 h8 O% G" s' ]3 a# ofd 1, Y1 \- N2 T1 i. S f+ g
8 X7 ^' q* S: s7 G( ^ifelse(other turtles-here != nobody)[3 Z P' G( L- ?, U2 p' T
- R; B3 O$ R% O M3 uset customer one-of other turtles-here
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- X6 e% _6 L9 v3 Z;; set [customer] of customer myself! j# o) i! z1 L" G4 c+ L
1 z' X0 ~0 ^; Kset [trade-record-one] of self item (([who] of customer) - 1)2 _8 W" g" j/ b7 c3 u
[trade-record-all]of self8 C/ ^1 F: \; x! L2 r( u) q" e
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self8 i' F/ M& g+ O1 }/ I: q" U! ?
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set [trade-record-one] of customer item (([who] of self) - 1)
) i8 G; f/ I& r1 z# j[trade-record-all]of customer" Q( X: i7 E3 q- p t
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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)) _" c; a+ v, ]" _" @9 J" n
4 b" c! l: ?7 O8 \" z. jask self [do-trust]9 W/ M* e/ J% o$ R8 k, e6 ~6 m
;;先求i对j的信任度
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if ([trust-ok] of self)
" I: Q6 |# n/ d;;根据i对j的信任度来决定是否与j进行交易[5 L$ e/ ]8 e% _7 ? R- Y }9 a$ r
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself4 y( H/ e! e. F; E# f
' {) g' Q- G) ^% M l a[( o/ V7 _+ r2 g0 t
; k* p/ f9 H v {9 bdo-trade
1 @) ^8 ]; [9 U) y, r, P g% l6 L
+ n( V3 B$ W, x$ h/ R9 pupdate-credibility-ijl, R* |% h- H% x( z3 x
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update-credibility-list2 V F$ w: L$ u% [+ M3 l, u
9 ^2 x3 E5 ?5 N+ C; i( y* L+ ]8 V% R- c g+ W4 X3 ?- j" _
update-global-reputation-list
J9 ^/ o. a) ?1 h8 q J
% ?5 E* I- X% vpoll-class
9 N; \7 i% B2 x- ^9 W" P! z
; p8 |3 r% o9 m9 P5 q( O4 V7 jget-color
}: |- ]8 h" L3 P1 m: e3 Q" E9 @+ ?0 q% Q S6 ?
]]+ R7 s# j" E$ ~9 J6 o# u3 j
7 I) G# L3 ~ N* h. @0 X6 o
;;如果所得的信任度满足条件,则进行交易, A/ D/ w" ?( j
! t6 h" B6 U, N2 z( [1 D8 C; v
[* c: V& Q% e! e, |4 d9 H
* P- A8 i# d0 ~% K& F! h
rt random 360+ Q, @6 M- l+ ~. n6 ]
% E, R/ g. v' Z+ b3 L
fd 1, U" v& K+ @# {6 n8 U0 f6 U& {* A
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]0 M* r- W- R4 K0 Z, x
+ |# a- T; M4 L5 n+ [) Fend
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& g3 z# y! G- h* Lto do-trust : `9 p& t' E; g! v2 x3 ^3 h
set trust-ok False4 `5 ~9 n4 S8 o& |
% f% H6 ^0 v& i6 x6 a$ R$ }
2 p7 N7 _$ d0 Y* y0 R7 a9 slet max-trade-times 0- x7 G# ~& o; I; D# ? c9 t
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
- u8 G u" x6 y0 C. o& W% Ulet max-trade-money 0! [& d1 b# ]0 E, x
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]. N+ F4 N- g! S8 ^' J/ ^
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
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7 g, T0 c, o; d' }, S) s
get-global-proportion" ~" \) g6 X: P3 B
let trust-value
$ D( e1 e4 V* v4 ulocal-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 X1 {" p2 I& l! i
if(trust-value > trade-trust-value)
% P; r. P. u8 p6 k$ }% b[set trust-ok true]$ y! r1 i# u( L
end) r( S. D' j* s9 j/ r! d
* K+ r+ G; r8 o0 {2 ~2 dto get-global-proportion; o, s2 M$ X' j4 J$ T
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
% w2 B( u8 P% A7 ~8 o* \# {[set global-proportion 0]
2 P, }" n7 C# J[let i 02 J2 S: z5 a4 A( {
let sum-money 0
9 t: D. @. t2 |6 u @; P6 s6 Pwhile[ i < people]/ Z, ~/ Z- t1 d! D8 `4 _+ V
[
7 r3 Y7 `0 A8 h+ P. Gif( length (item i/ o1 ^ r# t8 ~- [- a. r
[trade-record-all] of customer) > 3 ): y/ O7 J$ p8 v! y7 W5 r: A) } s
[5 h0 _4 x7 r T: I, G2 [3 P9 ]
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))! ~; T4 d. r' k; B4 x6 l9 y
]4 |2 J5 p9 ^" U. J7 {' V/ O
]8 \% N9 X9 ?* T5 l5 h& \
let j 0
7 v6 p8 v9 j( ^/ |: m9 Y4 alet note 0, L' b5 R3 W# e: K" \/ Y
while[ j < people]
$ _6 n- N& O/ o$ L) u* k[
( a% B8 `7 m! [if( length (item i. f* f" E: i R2 n6 P2 ^/ l
[trade-record-all] of customer) > 3 )9 n' h* ^4 _& V! Y' K; N3 [! B! h# |! _! I
[- n' ]; C% _1 K
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
2 [+ C" a( O L5 M2 N[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
+ x: \# |1 H! B[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
6 y9 G# b, o% Z]% d( r5 E7 N& I- D$ I9 s1 V3 d8 Q
] s0 e, @( r: B( Q- z; h4 c
set global-proportion note
1 y8 N0 c' S* C. |]1 ~+ l! k2 D) F F: n) `
end
7 Z4 O7 M# \1 U8 m' N4 ~( s
0 O( }* k' j+ S! q: c$ pto do-trade& O, `5 U* d6 I
;;这个过程实际上是给双方作出评价的过程1 j0 @% h2 | v) g2 e
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价, `, v3 l* Z" B' o3 y, p/ v
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价9 y g% e; ^8 B* r( x: v9 S
set trade-record-current lput(timer) trade-record-current
; k+ L3 Z- R( ?3 [/ \6 x) f;;评价时间
* I4 I0 p, g7 @4 ^+ P) O task myself [
3 C- j! X5 E/ [% n' q4 \' ?3 E* gupdate-local-reputation
+ v. w/ w, p: e! X$ u' V0 Z; k' Bset trade-record-current lput([local-reputation] of myself) trade-record-current
6 k6 ?& G) ?) S]
- C! q! H! q: N; Eset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
4 x1 o% S( U! y! \: n/ S;;将此次交易的记录加入到trade-record-one中
' H7 s m. `, ^6 zset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)* ?# W9 M9 Q% \
let note (item 2 trade-record-current )
/ m* V/ ~0 @% W9 Aset trade-record-current
# J |& i2 w4 c" [(replace-item 2 trade-record-current (item 3 trade-record-current))
. p, \. J% g: Pset trade-record-current
4 S$ v( U; o) S) v0 c(replace-item 3 trade-record-current note)
# h j0 ~( d/ b" _" L- {1 O8 G; W; }& x( a2 ^
9 i* R& i) d h4 x
ask customer [
6 Z$ w9 c( h3 _$ [& R6 u. M7 iupdate-local-reputation
2 i" w1 e# n$ G& S3 B0 z/ H) E2 Fset trade-record-current
M: r0 D; s8 p) X' C, d5 H/ L(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 7 E) c) H5 |; |9 b6 p+ J
]
$ O: s' w2 s/ a$ ^+ y" h9 J# z
& u& n3 `7 z8 T! |3 }
* c9 x4 [) R" e R) [) wset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer- a0 x: z5 M; B3 ]; i$ e4 G
/ v) |( z/ y! V1 M5 Y
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
. q: C1 x$ N$ N/ U9 f( w9 z;;将此次交易的记录加入到customer的trade-record-all中
& @- b7 f0 D/ cend0 |% G. f/ A; `- h6 A+ `5 O) I6 M
4 y }" v: b" _, W) E/ k: Kto update-local-reputation. V% h* X+ q) i' [: z- m2 O
set [trade-record-one-len] of myself length [trade-record-one] of myself
% ]# e, X6 |- p1 [
- `) S) B, S2 R5 d: f) v" L) s# C' Z
' F: S- _% `0 o3 x3 Q, J;;if [trade-record-one-len] of myself > 3 ! C* v6 s; Y' k+ b8 c$ S1 t
update-neighbor-total9 q2 I6 m; b9 w7 U( U* s# M: V
;;更新邻居节点的数目,在此进行9 B3 L2 X* j# | s
let i 3* ~: b9 v# i- S) T( ]6 ~9 t
let sum-time 0
2 u5 E) g- I+ B3 b6 v z4 ?, ~' N/ xwhile[i < [trade-record-one-len] of myself]5 ?! A! N( ~% _5 X. p2 {2 l S
[3 q: ^0 ]& Q$ p0 m' `
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )5 ~. H" d5 w# j, o2 M% }6 S% Q
set i* K$ O: X9 P" z+ t" f! E: z) G
( i + 1)) `& N6 I+ ]. X* k6 [- {5 S
]
4 `( f% \0 S* \ P( ?9 Qlet j 32 m8 g9 K( g8 Y' {6 w( W
let sum-money 0
3 M6 J- O$ u) m8 swhile[j < [trade-record-one-len] of myself]5 J6 n0 ]- b8 N( p& w
[
4 j1 G2 y. o$ xset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)4 a v) [( g" i! ^: N; n
set j5 S, q% g X+ ~0 j, k' _
( j + 1) _# K; { q9 I* g3 \7 s5 _+ Q0 o+ X1 U
]3 a6 C, i* h9 A/ S$ p. O ^! S
let k 31 T2 A) q6 v+ f) d' X" e) |" H" J
let power 0: b! H/ n& R: A: o
let local 0
& K8 b9 [8 M7 `, k9 m% f" wwhile [k <[trade-record-one-len] of myself]7 x) C# _6 a6 ?: ?
[4 ~% O4 f) ~7 F& j
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 u4 }, T( C, H9 w* P0 K/ S& G
set k (k + 1)6 ~3 J9 M" q4 p% h1 W. P4 O
]
9 f) {& t, b* Q! U, Iset [local-reputation] of myself (local)
( H+ s2 v& e& V7 H9 Y. u' hend
6 Y1 I. ~5 E! q6 S( Q, {$ Z7 N0 a% e6 M8 E6 ^: C/ W
to update-neighbor-total
W2 g2 r9 t, R
) w# J$ f8 r6 z7 Qif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]5 i+ ?) z4 K0 U: E6 T
1 U$ w3 u# k: ?2 P" O0 D( e4 W/ {- Y& ^" I" a; B
end% u, P# a$ L' `
6 N- N2 O- X. B4 ?3 B( S- @, Q
to update-credibility-ijl % {; Z+ m# c6 T- L. S
" r# {6 Z3 p* ]9 N; j;;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。 b4 A) Y8 t- R. P. }0 A2 Q$ o
let l 04 P; w- z ?! m& w3 b
while[ l < people ]
8 s; |, U k7 U6 f# i! 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
4 V0 A) L, D. G- v[% v5 F% a. v8 e' R
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)$ y3 _& V5 y1 p/ M& z n. z
if (trade-record-one-j-l-len > 3)4 b( m& v) V2 `* z
[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-one6 ~; d0 }' ]( o: j- c
let i 3' ?, f% K2 Z2 F- |% x6 e3 s* o/ Z" H
let sum-time 07 ^, G# h( Q& |5 G# i
while[i < trade-record-one-len] d* x$ Z$ o$ K3 ~
[
, D: }: h6 R& G- a4 [" r9 @. }set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
6 J9 f6 R2 I7 o# s5 k4 g4 V# Mset i$ z9 ~1 t% o2 N- F4 k- B
( i + 1)
6 ~+ }' `# b8 ]]
9 L- e7 i Z2 I+ H: W' {; Rlet credibility-i-j-l 00 |4 D% X+ [' g9 P4 z; p) o
;;i评价(j对jl的评价)
& L2 Q! d7 L) ?2 clet j 3
, f% G# L; s! L/ Y' X2 w" }let k 4& T* c" H" t/ a0 h: }+ q- p; i3 a' q- D
while[j < trade-record-one-len]
! T, Q" {7 v }; i Z* k! B7 S[$ M1 Y; w6 r: [ {* `2 ^
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
& V' Y7 `( B7 c' q7 Z" dset 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 } e+ S3 K1 _0 z2 h, v3 Nset j
6 J) H( q* g! j- Z; a1 O' S/ ?( j + 1): W! ^3 R' d! f8 f: T
]
$ e+ R8 T. `- d2 b1 P8 gset [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 )); ^% E4 I, p+ w+ D9 `$ ]6 c
) I. I" j$ W. x
$ Q% C% ~2 U7 s. j8 u( g" M4 llet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 [3 \' w; Q8 t+ `8 G0 E% F;;及时更新i对l的评价质量的评价
/ l$ q6 F) N6 `; B! Sset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]7 f1 }& x+ u/ ^% h) Q
set l (l + 1)
% w0 T4 h* @1 M$ ^* ~]5 g6 [* Z5 G6 Q x
end8 X7 J* M2 H0 l2 V) X5 m
- U, u* X X2 z! W) uto update-credibility-list' o; J' m' r3 e e# g; w
let i 0
: ~) r; V: n" Q' Awhile[i < people]2 G' `0 G! V) y! ]$ p
[
- U. Z6 a* O& d! m0 d! V- glet j 0& q1 I2 d0 D3 G& u: y( t4 g7 [& O0 I
let note 0
% l1 ~4 K6 n+ Y3 D' F! J* b! slet k 0' ]/ M/ V) N; j: ^3 I. c
;;计作出过评价的邻居节点的数目# x; W% s* a9 B7 T7 U' \
while[j < people]
/ m. [5 `* g, s: T[2 i+ Q- c) D# q* T* a: q1 _
if (item j( [credibility] of turtle (i + 1)) != -1)
6 s! `, b( X" y- R2 x6 m2 J;;判断是否给本turtle的评价质量做出过评价的节点
; f/ G9 {! t. i2 A' o0 [; ][set note (note + item j ([credibility]of turtle (i + 1)))
; r( {# M) K: G G# g4 f& H+ J3 m;;*(exp (-(people - 2)))/(people - 2))]" J. r+ E* o) F! a4 K
set k (k + 1)$ l6 Z" f" Y' l4 ?5 w2 b2 b: z
]
V- z! v7 `* z2 [1 @set j (j + 1)( j$ V6 V/ @$ K0 x; V
]' g! g6 M% I. ` f1 u
set note (note *(exp (- (1 / k)))/ k)
0 H* u8 ^* k- a- }# e6 i# ]5 \+ aset credibility-list (replace-item i credibility-list note)# o* g! C% h8 x" i0 r" K9 W
set i (i + 1)
. J: L: g! Y2 S) V! m% m]
. o% b. H. u: q& \0 `- v6 ]end: x b& |/ d4 ]8 H' J) o
" O/ W$ i# c3 s# a5 m! y' m
to update-global-reputation-list
' E+ I: ~* h: R1 r7 x; N2 n) ^ [8 ^let j 0
4 p, I& d& b/ }% ]& Y- B8 N! iwhile[j < people]$ @) S9 l# X3 O- ]$ W9 J( U% r
[& P' V% m+ a7 }" ~
let new 03 o9 W+ Z2 r; N7 J6 M1 x
;;暂存新的一个全局声誉$ ^- B$ N/ z9 ]! p" Y
let i 0
! d# Y, g |+ A* \0 d2 `; Rlet sum-money 0
. V* i& a; a0 h8 x* l) s5 P* Plet credibility-money 0
/ F* O0 B! Q. B2 Awhile [i < people]
4 ~1 d/ r: L# ?' {[! Q8 C- l' c9 e8 T& y6 S2 I, r1 c
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))5 D! a: h) D0 e: ?2 N4 `
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
* |- z" ^/ |" E3 Z& Oset i (i + 1)3 M% Z; _ o) h9 r" Y5 n) M
], @: Q N6 C" O4 `9 Z+ N# C H5 X/ z
let k 0& ]7 Q0 h, h6 A- F6 ~
let new1 08 j6 N: s" x6 [7 T& U0 s3 w! g& y
while [k < people]7 H% M2 V, v- ^( v! K
[8 H2 V2 j1 o% ]3 T+ D. h
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)' \: w& R8 c9 Q8 {# Q
set k (k + 1)5 d( C6 V/ I; Q1 t3 c
]
: M" M6 j: r7 iset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 4 k- a g5 x @& w
set global-reputation-list (replace-item j global-reputation-list new)
) \1 L* g( {" hset j (j + 1)' f5 X) a+ O9 k& d7 R4 k8 V; E
]
w' l% y" e/ L4 yend
* S- r! W* e* y- o) W0 e
' d1 V# K6 G( a8 r% k) W) n
3 b1 e6 h$ ]* ?3 ?* e
/ Z1 ~8 F ]) I' i* o/ E( jto get-color
) L4 F) O/ n4 ]: ^7 [2 j; P' h' v4 N
set color blue( o/ a( T. M, E
end
/ b) P& w5 \- D" k- C$ o3 C
0 O9 _0 U7 t9 h: _% gto poll-class# I$ y# ~9 _. P3 `! M4 b3 t8 x
end
6 E, `$ K" w0 d2 `
' M. R: `& w, c" M: ~to setup-plot1) ~) v- d3 g! S$ P/ @: I
4 A: m0 S2 p$ S4 Q" S: w! U+ oset-current-plot "Trends-of-Local-reputation" F: g$ y$ R S) P
' V6 j* l- A; q3 T) S/ {set-plot-x-range 0 xmax: c. n' p4 t6 g/ P& K! N; R7 M
' {9 q J; \3 o. ?6 f6 A& v# }set-plot-y-range 0.0 ymax) p! K+ N8 U9 e- A, c
end6 J' q5 Y5 P" V: L, s
H- G( \( {' f/ c% h
to setup-plot2
4 H9 Q9 v: {5 G8 _
7 W1 |* p$ x$ jset-current-plot "Trends-of-global-reputation"
2 e( G- M8 Z6 T6 b( _0 t, U$ i; ]& w" R8 l' W: l$ J y
set-plot-x-range 0 xmax
! ?" O9 x$ v3 o" B$ b; Y0 @( r( f5 [* {/ C) o
set-plot-y-range 0.0 ymax& G; x, U- A* ~* ~- |) l7 l
end
- Z" _6 l; d# ~% A: W4 T
+ K# E) a% R9 n7 p. `& xto setup-plot32 Q0 V- t& k& A5 I# ^2 g8 m- |
6 D" N, ^0 ^8 g8 J; U) d/ a+ g
set-current-plot "Trends-of-credibility"
6 \) a" a4 T3 b6 P- x+ G# L- @ p4 m5 _+ i6 w: {( r; S# M6 G+ W
set-plot-x-range 0 xmax0 L1 _" L% e$ E2 v N+ t7 J* `- F6 {
( r% L% C! R3 r3 b3 {5 zset-plot-y-range 0.0 ymax
+ l4 K( u6 w* ]9 V. n# s* E2 Oend5 _5 d6 b9 L7 P, ~# M p z% P# @. f. z
/ X# e' U$ Z6 f" E" G2 b4 {to do-plots8 }) A% g8 k$ F0 f( B8 X7 U( v
set-current-plot "Trends-of-Local-reputation": K! f; w+ C1 m6 I% b
set-current-plot-pen "Honest service"
2 q* G' W6 t, U* L. F5 aend
0 i, v* U' t/ x! ]' k: k% r, y, ^) ]! R
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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