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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 x( ~ z2 X& K3 g3 I" Q/ w4 fglobals[% t9 _" Z8 F2 V+ z& ^. h; q
xmax
6 |- D j. ~/ ^% Y% m$ g' Gymax
7 a# b" f2 Y$ M( kglobal-reputation-list
6 | J% p4 Q+ ?; y
9 Y+ Q, ~6 ~. h+ d; o4 x3 };;每一个turtle的全局声誉都存在此LIST中4 L# V! w* V+ J! a9 Q! i& `
credibility-list! S; n$ r9 G) _6 X
;;每一个turtle的评价可信度
% s0 A- {" ~& U% t5 jhonest-service* C# R" a) h% n
unhonest-service
: Z! D, G( [# foscillation
2 Q+ q% A5 I D1 Z0 Yrand-dynamic
; U* U R0 d) n3 z+ Q& T0 ?]* @! r; A$ _8 E
* L2 e% a2 O) q: u9 `" e9 P
turtles-own[
3 Y7 }1 Z" F' m* N- x/ Jtrade-record-all
% z4 n2 B' F0 l2 V;;a list of lists,由trade-record-one组成5 p# g1 C' h' y0 r
trade-record-one) p7 [. G5 W$ l9 T0 x
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
% x$ g) F9 J7 o: [9 z; i6 X- S9 `$ p0 y3 u* z U4 N* k
;;[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 t3 `% n. c2 Qtrade-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% u1 T4 C9 X% @- {' P- M8 icredibility-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
/ l L; f f( `, w0 a/ fneighbor-total
; G: ?! h& f6 h/ o' |$ };;记录该turtle的邻居节点的数目
5 q0 y+ T P' Y4 ?& L7 z' ]trade-time" b; @$ U1 ~' a# t' l
;;当前发生交易的turtle的交易时间
+ q ]. [1 j( m. X5 f+ ?7 `appraise-give! `% L6 L0 D5 ]
;;当前发生交易时给出的评价( [) u7 Y+ X% g' t+ V, w6 Y' |
appraise-receive [4 W% c5 c+ b2 N X3 o
;;当前发生交易时收到的评价5 }! a0 \! M6 F( T5 z% d
appraise-time
5 `8 x* a" D/ Q; n2 i( U;;当前发生交易时的评价时间
; C+ Y5 x+ d0 k$ Ylocal-reputation-now;;此次交易后相对于对方turtle的局部声誉5 K, e8 r+ _; |0 q0 F; z
trade-times-total
% \5 N& w$ R: `;;与当前turtle的交易总次数
: {' Q/ I( ?3 E" L( x, ctrade-money-total) L! @2 j& d# `+ S( y
;;与当前turtle的交易总金额
^$ F5 e/ P% Z% R2 U: t8 `) vlocal-reputation6 T8 Q- Z( [5 X' S
global-reputation& U( f; {; Q6 A' _! h, H
credibility
, c+ { S9 S+ W: l3 a;;评价可信度,每次交易后都需要更新2 S4 K" F- ~$ J) E3 ]
credibility-all
6 y! A; z, j C# |' A4 u3 `! b;;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; z; \- M, k9 p# C
3 q* o% G% c# ~& j$ V7 ^
;;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0.59 D7 `$ `# B8 D2 p! F
credibility-one# w: V2 k- K0 K$ 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. S8 _2 ^$ a$ i6 U' _: _
global-proportion+ h0 e1 }7 A/ w& G% |
customer
9 J* m$ P) T. x9 ocustomer-no
* A. ?1 F1 e- U9 c" Strust-ok
8 T8 W" p, z: O5 A- Q$ @8 z. o, i9 Ktrade-record-one-len;;trade-record-one的长度
: \$ G7 j" X; q5 c* k1 `]
, O( Z0 k2 A3 t0 i7 J& {- \
- }( }7 s- P' d) K7 M0 s;;setup procedure! |/ I% n$ c. L. C
+ h) d9 A" n* B, Q* hto setup
4 m8 [6 E' y# ?7 |$ ^' b! L9 ?7 {! S! W( M& v
ca
9 \% z1 R/ b: r; }2 q9 Y
, [& ]4 M6 Z7 W2 R+ f% F$ @$ Vinitialize-settings
5 W% p. ~3 y5 v0 \- L) r D
0 j' ^8 _9 S4 vcrt people [setup-turtles]! c2 [3 o; i1 ~5 H
7 o2 ]1 L; [- i# a
reset-timer9 n2 Q ^6 V2 w x) R& \
& j8 N- o; }& _" i% G
poll-class
; H/ [) i4 r T1 \( U* H2 d: R* f9 ^! |% E8 V! U
setup-plots
# u0 t# ^$ u4 K) S- ~
3 c% M7 O) G; e) z( P8 G9 Bdo-plots- R3 J l- S! h4 ~
end$ h8 J6 r7 Z" }1 ]% X9 V G
5 ^( I5 @. E/ q' Kto initialize-settings
9 X3 K" f1 q2 M4 L( _, G9 i; M A. H* H8 q# |
set global-reputation-list []
: f- J8 l2 E) w' y" A# r4 y" L
9 {# E% g1 }4 y/ |! D& y1 Aset credibility-list n-values people [0.5]/ J" h: ?3 x+ x1 C8 B
+ B: A! l( ~5 H j& Vset honest-service 0
) k) t u1 e6 n# ?5 [, l
, u Z/ I, m: h5 t {set unhonest-service 0- h; A, i* ~. B
' T% ~! J j) e N) L. s2 J" _
set oscillation 0- J2 F% l) m% U" Q+ z# l; N
5 ^8 m8 I1 J' N* _/ L. S3 m
set rand-dynamic 0
6 f1 U# K& o2 `- \end+ i# Z: i8 ? L& p0 T2 b
$ E7 W o( @6 s
to setup-turtles 3 I4 D) h9 `% K4 ^- r8 H
set shape "person"
; M7 n, l+ h0 \9 @setxy random-xcor random-ycor
/ P! z. v' F1 m j3 lset trade-record-one []
4 z8 L: V& z; n3 m+ s; y6 `2 b, ]& q* P+ N3 r! t; h
set trade-record-all n-values people [(list (? + 1) 0 0)] ' _7 I9 W, q5 C) i8 T1 L
3 b- ?0 u+ C- Y/ Y/ j* L" k
set trade-record-current []' [' P8 `5 O" W& }3 O. T- u; F
set credibility-receive []* i3 D$ n: c8 r, W1 Q
set local-reputation 0.5
, e% m5 s4 R6 o" E2 H& k" kset neighbor-total 0
- _3 z! D5 o' m8 h) K" yset trade-times-total 0
" b) M# u9 {6 Y7 }, r8 Sset trade-money-total 06 e% e+ o4 Q7 I
set customer nobody. V3 [' J( r# Y2 O) m( I
set credibility-all n-values people [creat-credibility]9 c& D( Y+ ?2 }( i
set credibility n-values people [-1]
% W" M9 A8 l, }1 F! R8 sget-color
. o) R/ @, p. p0 D7 n" Q5 }. o3 I( u% H5 p$ t. H S
end8 U" e- ?6 M3 t+ ~% G
. v8 w, h+ _, r0 uto-report creat-credibility
. ~& V7 z# |: W: H j9 Ireport n-values people [0.5]( R3 K& Q u7 [ z# Z* Z
end
& N# ]: n$ e6 k% \
" V3 {) q# B8 ~+ Fto setup-plots; q, h) m S @7 d' x4 O
" E7 L2 D1 t2 x$ l$ g' y6 l) l
set xmax 30. B2 S! Y% n7 m( w/ z9 n2 U7 ]: G2 E
; m# [! o3 m t* b" a( k2 w2 \
set ymax 1.0
* y7 } N( I6 _, g! z: s/ X( J" D& A
clear-all-plots/ f& ^8 a& @: c' L- M/ s3 L5 N0 x
8 \( l+ ?, I Vsetup-plot1
' s& F7 t7 e" B# s4 D
. R! \' d. M L3 L: |, ~setup-plot2
& `- G# y1 w" t) b4 w8 O+ j3 M: u# Y0 R* F8 _% T
setup-plot3
) L, C% u( w/ ]0 W4 ]end! R: S8 q* e3 ?! T1 R
4 ]4 X1 G; {- G6 k- r s;;run time procedures- q5 |) @1 z- Q" C8 u+ s& s
+ M, F0 I9 W; P8 J' X4 J0 {* [to go# J4 }+ A" |. g. P1 e
* @9 n1 W8 s% V' k: f0 x9 m8 J- [; Fask turtles [do-business]
8 j5 Y" G4 U: b! h$ V/ n9 lend
* P& O5 ?; ^. g' S/ h2 H- W! ^1 p: L, Q
to do-business
3 g! b/ T% Q% S4 g' ^
: _: D7 P! D1 W/ k8 [2 l% y8 v
, Y9 I- v& P$ j2 l& |rt random 360
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+ ^: ?. R" c: l- `fd 1
; _' W- x* V' v) c* q% E) K4 F/ v* E# i8 }, h
ifelse(other turtles-here != nobody)[9 _8 K4 |* ]) C, A
* L& r* w; x/ U
set customer one-of other turtles-here
7 ]2 S' [! I! M0 ~* j) B
3 `0 j; n, [) T2 E;; set [customer] of customer myself8 g# N% v6 R5 I" }( O
+ H6 Y: b y5 V. P- sset [trade-record-one] of self item (([who] of customer) - 1)
, a6 h* c7 ^+ Y. |% R% c2 I[trade-record-all]of self# P* r6 S3 Q% q* s/ N. U* m- m
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
- W- h6 U. f- X- w( q" U) I* F7 X1 _5 x! g7 G6 M* O, X
set [trade-record-one] of customer item (([who] of self) - 1)
% R; A8 o/ c j5 `* ?* w* R[trade-record-all]of customer
7 Q) D7 ~/ b: h& P- w( u6 D, {( R( q# T7 B8 K
set [trade-record-one-len] of self length [trade-record-one] of self
& T4 b \: N4 h. ^% a+ l% k+ ] E) R6 @# n& z
set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]
9 N. y! J4 j9 S, z @" S;;先求i对j的信任度
+ e# v2 D3 x+ r- M' d2 J( x7 w5 R2 G, U* B
if ([trust-ok] of self)
3 t9 k( u! s" g7 s/ u5 K;;根据i对j的信任度来决定是否与j进行交易[4 Z+ O; P& j0 I9 R
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself8 M. j( K# H. ^6 ^0 L2 ^, _5 M
4 b& ~/ k8 ] s. B% c( k[( P2 O! l4 z& W, x% R9 U
, R3 [1 E: M% N) N$ \/ Z' Qdo-trade4 d! n: p. \' G: D' L
' A% x6 a2 Q2 Z' \1 jupdate-credibility-ijl% C' M6 x r4 {/ h: ^( `; F( J
" J0 J8 ^# ^1 M3 M: \1 Gupdate-credibility-list
: ?+ r) L8 [. ]4 ]
! Y$ v |" r4 {2 s. L
* o; h! M: q+ H" D7 ?) wupdate-global-reputation-list
9 j2 @2 [5 t0 b! ?' y4 L# |
6 w% w1 H2 @. b( M2 ^6 k' `( Ypoll-class
1 t, h6 q8 r0 K9 p) F, `4 v+ H5 e( b/ u2 x% ^! |: B* U* D' b
get-color
& \: y+ N9 v; z6 w" P1 S
+ w; t; {( x4 M; j1 `; z]]: K9 m8 p0 ]$ i! e5 P$ G
4 P M; S9 M3 H;;如果所得的信任度满足条件,则进行交易
m4 c# P8 n) _, K4 a7 m& b# l* e, K6 l! g. b* a, X/ z r
[
8 |! p, T! R( W; n. |6 K
, }& J4 G/ {1 t8 ^) w8 Prt random 360' k( b" F" M* {0 ]: A
. ?. v9 X8 r% j$ N4 {0 Ffd 10 n4 k4 u3 f# H- R! j" u. I, x+ e
5 m! f) k L- V9 R# b7 I* E. d]
. {# i& S [, M @0 [# h: n9 [9 `7 j% {
end; F/ d1 \! V6 B
U7 f5 C _8 M! {: ]; A gto do-trust
$ S1 J. t2 [ }7 {# W& b& fset trust-ok False' z3 I1 _7 C4 M9 |; d; V$ A
! J& p, m# U. v% v0 J
. V' b/ n& ?) G( l6 G8 m+ plet max-trade-times 0
( ]& W! T2 z/ v5 Nforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]6 I. C; k8 N g# D6 F5 H
let max-trade-money 0
5 K2 L, W$ t' A0 D/ q: v/ qforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]* A: o/ t; g6 a+ N; g* c8 z
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
5 I9 h. k' {9 {; F' S
0 W8 v* j8 X0 y/ i9 |& k4 } o. S# D, v/ i2 S7 w0 F
get-global-proportion) C+ l: i( ^8 w J6 g) p
let trust-value
: ]. n6 y. m% Y8 _! }, Glocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
5 ]7 R3 B) a9 g" B) nif(trust-value > trade-trust-value)( F2 ~. ]- x1 z0 q, z1 h
[set trust-ok true]- D! U: O' W5 l( T! M. a+ e1 V
end
; Y- D. M+ C; t/ j! d9 X1 j, q6 K: b; {. w
to get-global-proportion* B2 U+ o& x1 U$ v7 |( T" g7 }
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
# a: M* s( n7 _[set global-proportion 0]5 p3 N8 m$ v2 Q |8 s7 @
[let i 0
' N/ j. H3 W7 H8 {. t" _) B+ qlet sum-money 05 [) k; _. ^1 k5 u6 A$ L9 Z2 [6 Z
while[ i < people], @4 g4 F0 r F8 I% [6 k! u. z
[4 ~: r: W6 ~# ^' }
if( length (item i) z2 u S' _/ F7 l. }/ x
[trade-record-all] of customer) > 3 )- I% o; G! `% j, t' {) n3 v' S
[
# y1 D$ {- U8 }) C% s) @7 H0 m2 ^set sum-money (sum-money + item 2(item i [trade-record-all] of myself))0 L5 W1 N7 f* V( K4 a
]
: E9 o& ?$ r. K3 }- c]
' k; |& g; q c$ Z+ b' glet j 04 S8 N4 |( [7 c& J6 U
let note 0
0 q+ }% y O0 v$ W/ ` i' iwhile[ j < people]7 ~7 F3 u S8 [7 k
[/ F/ i' k' b, {* J
if( length (item i
! Q5 `, a( }1 |$ i[trade-record-all] of customer) > 3 )
; Y# [) a* n' G- F! u[! k: G. r& U* n- w! r/ a5 d& f
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
3 M, G; p7 v2 `[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]1 X- R4 h* ^ v% a
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)] _; ~4 M3 a9 B" R, J4 z. Y _: k* n
]( n @5 V. F4 b0 j1 j1 ^
]
5 y: r1 M. n1 t3 Q' N e8 R. rset global-proportion note0 R5 e( S: S9 s8 F, l) q
]1 J7 E7 p4 i) x
end6 v( J% V- I) R; o9 O; F6 A7 Q
7 P# e' H6 u2 G) ^: [/ }to do-trade/ u7 C1 _0 O: Z; I) B
;;这个过程实际上是给双方作出评价的过程
6 c+ B. R- {6 B. pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
/ a) X% }& c h% Q. L B% [set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
- n4 m' X% {' I, Hset trade-record-current lput(timer) trade-record-current2 J. x ]; P7 j6 e* S- A3 S# f
;;评价时间; _. z v; W! E
ask myself [
: G6 B1 M# J% e V0 v1 \+ `update-local-reputation; _7 S) V* y, e. @- e
set trade-record-current lput([local-reputation] of myself) trade-record-current: K7 p( _6 \, y
]! _: @/ s- C, \; s# K
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself2 ^/ g( z/ \5 R5 h, Z
;;将此次交易的记录加入到trade-record-one中4 P) M- p1 J' n/ G3 ?4 {1 T
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself): H, v- w( Q7 L* d/ W% O$ S
let note (item 2 trade-record-current )
( M3 P! W7 m: nset trade-record-current
3 |! d9 u, g0 D+ _' V5 v(replace-item 2 trade-record-current (item 3 trade-record-current)). u3 }6 W3 o% I& w. y. ?8 e) F
set trade-record-current9 g, R6 [" A# L
(replace-item 3 trade-record-current note)( y6 K9 J. q) J7 K. v% E2 z' e
, }( L+ I7 L5 R
7 w; V, I) F% Z3 Z- v" g" Task customer [7 p, o7 @! g6 R# M% O
update-local-reputation# @$ `$ ]3 Z( i/ t' s6 } f
set trade-record-current
( B6 z7 _) J" y1 y) i& b(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
* p. z) b- C2 _" m4 e3 D]* H- g7 |/ a, J, u5 z6 h/ K4 n
; [& ~; M$ x. b4 R6 |
7 O! F* I) _* c. | Pset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
- o* H/ N* z* {5 I
: P7 a' x5 f) u2 t4 N ~set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
' |* X* `. w& c3 i" H7 r$ H: A;;将此次交易的记录加入到customer的trade-record-all中
: P7 Z7 }# h9 }! V# _1 |end) g U2 V7 v: p1 _
/ u1 n* N, [! u( m" j) B
to update-local-reputation! j; S9 H b8 k/ O2 A/ v5 ]% N
set [trade-record-one-len] of myself length [trade-record-one] of myself
1 S" p# e2 B" t; t( B6 t
& x3 R3 Z$ p/ h; ^% D. M
4 a6 ~9 i+ J; c7 {; Q K! u;;if [trade-record-one-len] of myself > 3
7 u$ ^. ^/ H% V# Dupdate-neighbor-total9 d" r' j6 A6 c7 N% R' _/ r% \+ j
;;更新邻居节点的数目,在此进行
- o! p6 W+ p& _+ w; L Zlet i 3) e" _8 B* ~+ a0 I* q5 M
let sum-time 0
3 \% E/ X* `) ?9 `3 Vwhile[i < [trade-record-one-len] of myself]7 D% [: m' y7 Z* ?. W/ }
[! d4 ^( u! N9 s0 }
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
) q7 R" c H0 t4 ]- Oset i
: i% C0 T2 O9 {" k: S( i + 1)
) f4 s, V) s w: j& ]0 y& ^]- a) h1 G7 ~9 E2 D8 m/ {
let j 3
: g; G5 ?: K- V$ [; Ilet sum-money 07 H* j! \7 @5 _! q% u
while[j < [trade-record-one-len] of myself]2 Z0 J5 r4 k: \0 [9 ~
[. d6 i, m1 k1 i9 i- |# [
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)
9 N) b: P: h) yset j
" R- w5 L" a' Z7 C3 V' K0 M( j + 1)% x; H9 O; m) X! U
]% q9 V& A ~8 L
let k 3 ~; y w0 ]2 H k' H2 W3 C& {2 l+ C
let power 0$ ]* T, a4 o( L5 k3 }3 a
let local 0$ p% p( [' }, w6 a+ K0 |/ g
while [k <[trade-record-one-len] of myself]3 N9 V4 R9 `! t" q9 D0 I) {
[
7 t6 R" s9 r8 @7 u& |! hset 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)
% `. L/ d+ h* W; P/ D+ W5 i0 h T+ Aset k (k + 1)7 Z1 K% m/ c9 V4 y! J
]
5 J1 x& y* e: c& ^7 `4 N' {; Pset [local-reputation] of myself (local)
5 q9 ~5 M7 a6 [. e3 fend1 B; s& o7 n! u! y. v
7 `: q) x& }" c5 H, `9 Ato update-neighbor-total
1 Q' E* }- q; L3 H+ M x$ x! g" g9 t' ]/ ^
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]# l' t7 G* n, ]2 t9 C0 H: {. D6 w y/ e
5 q5 \4 z. e' E2 ~
1 _6 F2 A" M$ Q: A. dend0 _' ^/ s, D1 R( j. ]" y
& I1 r/ p- W/ U7 J! V+ v6 Z
to update-credibility-ijl
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2 Y. r2 Y. w" d! Y& E6 s;;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。& X2 @, o4 M& N) Y" ^
let l 0; r0 \* K. v* Y- x) A+ D
while[ l < people ]
3 h- u" O9 X3 p/ O) H0 K# V. t( V;;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 p- E5 W% T6 q
[
) q6 j- N3 U) i- G& klet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
( S: g: q9 O1 W! d% xif (trade-record-one-j-l-len > 3)
; @. c4 X& b" s1 d# I" j[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-one5 R& _- o7 R& y: i5 ~
let i 3* b. }$ z2 s" q# U# k8 E: l: x- }! P
let sum-time 00 `& J2 r, k+ B: {2 @
while[i < trade-record-one-len]5 z8 W' ^! K* |) }! n
[
+ l* z. E8 j9 b; t# G, v* ~, `3 R5 uset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
. d1 F$ A% n- H; Z4 |$ V( Kset i
6 x8 V; r/ D& m( i + 1)/ Y- l& J* _0 B% g# b5 y/ Y- c
]
. [2 Q+ x( U' _& g6 B) ylet credibility-i-j-l 0
2 y4 D- A+ B6 F" j8 z, P+ C;;i评价(j对jl的评价)
# L3 t$ H3 u$ B, klet j 3
# |4 l; P6 q2 Clet k 4
( ?1 _- I1 J# A7 |$ M, I% m! j. [while[j < trade-record-one-len]
) W0 {& l; M* \* [' Q; D6 _[
6 Q f. u; U9 G' L( y0 x" D* gwhile [((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; ^( Z0 x; b$ Y/ P) }) C3 Y
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)
# U( `/ t8 y1 X( m/ {/ Xset j
7 t8 ~! P/ T/ `0 m- M$ j9 g( j + 1). T0 V% L4 Q. d, T z
]
) P( N9 r4 w' D2 B" Pset [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 ))
% \! r5 I# k9 E, Y
8 H1 R, _4 J6 @3 s! G/ i; T! d- W: H+ U
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
) F H; k" d* T- F7 \* h4 g$ M;;及时更新i对l的评价质量的评价
9 @( h* d1 O, m) [- y0 Fset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]* J; Q3 a- _$ G. W) P: Q3 u. |7 u
set l (l + 1)4 y+ w% I/ h" Y6 s' C
]. a8 q- s& f" i4 n/ A% X! @% z
end7 @: G* q' v" u: ^
0 y- E6 q; o8 z) dto update-credibility-list8 A- U0 l, T0 |/ n9 i3 i
let i 0, ?' u: K0 X) b) a$ S$ e2 F# }
while[i < people]
6 s0 S2 X; T. Y7 v* @[
7 b0 C' Y% p& L' c0 K# flet j 0
) @( P6 @3 Z6 o2 [( j7 Z+ tlet note 0! f' e7 k5 ?% \6 k% R
let k 00 m3 p/ n) e! L6 M: S' P- G) K& U
;;计作出过评价的邻居节点的数目6 Q0 Z6 m' K6 f5 T9 {4 F- T
while[j < people]
1 ]% ~' O! F% y+ ^8 \1 P[
3 H% g' p" g8 E5 {; |. {1 Qif (item j( [credibility] of turtle (i + 1)) != -1)# [1 `* ^' M8 @6 G, O
;;判断是否给本turtle的评价质量做出过评价的节点
$ N, C8 k7 H' G5 y[set note (note + item j ([credibility]of turtle (i + 1)))
' h/ v& F& w, ~7 h;;*(exp (-(people - 2)))/(people - 2))]
1 j* [( W, z& W- `set k (k + 1)
4 L1 z+ {4 f! u. m/ o1 E/ s]% |) v5 h# g+ l* f d8 w9 \
set j (j + 1)
) I K/ k6 O: Q, o]
; k2 F* @: \( |4 {& w* X, vset note (note *(exp (- (1 / k)))/ k). i r* e% D5 b
set credibility-list (replace-item i credibility-list note)
* h' Z- u/ Y" k7 F# M( C0 M" uset i (i + 1)2 z( M0 S; L/ J! A R
]
6 E5 N0 B; W& ^& q& Gend
! {+ M$ w% Y& u/ h3 J% z, {+ L5 @* ~% o2 b
to update-global-reputation-list
# S# T$ s1 |/ H Q q$ qlet j 0" K" T# c( R. f3 J
while[j < people]
- N* b# k) m. ~8 v6 y, x$ ^& x[
+ G e7 O0 P% n% l; a+ x( Tlet new 08 j5 k( ^- g, \( T/ P V2 {- o
;;暂存新的一个全局声誉
' j) Y; |5 N/ l+ y! l' C3 Elet i 0
8 i( t! W) X( n& C0 S' S) Flet sum-money 08 z% A0 ?: C6 n- E
let credibility-money 0- y2 a& I' N( ]4 ^
while [i < people]) J+ o/ n0 K$ J3 L) i
[5 Y0 D( E7 y' G6 [5 Y9 H
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
; ~. Z4 Q* z& |set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))* j# X: p2 o' X) ~5 _
set i (i + 1)
5 @$ c, v5 o! m0 L' M]. a! r$ I. D: o& W: i5 `0 t
let k 0
) F Z: {, ?$ B3 |. A$ Q) V4 Alet new1 0* M* |1 G0 F; u1 s8 J O
while [k < people]# e* P$ ~' s' F, Y7 p
[
r. V1 e. U, {0 |- H2 qset 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 ^1 b6 U- Z8 d# a# _1 ?! Y7 R2 y
set k (k + 1)+ R( J6 J% C9 l% c
]
* {6 w: e5 K8 B9 vset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 9 [* m6 l, Z E# Q1 O6 I2 l, v
set global-reputation-list (replace-item j global-reputation-list new)# ^- V4 h4 X9 |: e
set j (j + 1); }8 y( l" S6 q1 v1 x
]
! L+ \5 c/ r7 kend
# [+ X" O. g, A# b) O2 }( N, H& M# h; x9 C# y( k
4 Y/ n2 d# S- r7 B% `4 B8 l. N" n' ?, @
to get-color
) ?$ c& w# I' q; Y" K7 i( I5 ?4 ^
; c4 p1 f& {) P, A9 P4 zset color blue8 s+ i% ~9 @ z) F" e; N! u( h4 n: A
end5 Q! K, j! m, ^& e- [9 v
- z( X8 K6 U" X! N: L. `to poll-class' a: H9 E2 d2 V' T- `, A6 d
end( f5 {( ?9 m% h
0 G$ x) d) c% m3 [0 N
to setup-plot1+ C9 T+ U- Y5 N+ ^( A
! D/ o2 k; z2 ~2 M
set-current-plot "Trends-of-Local-reputation"- \" p% \1 o2 i/ Y6 u
C6 M8 K4 x) m$ u. ~6 T8 e$ Fset-plot-x-range 0 xmax
: K6 m7 Y1 \# n" U+ V: ~: h+ ^( o2 y& v# n- o( @: Z2 l; u
set-plot-y-range 0.0 ymax! D% K; L5 ?) p/ Q
end
7 ]" K* V- n6 i% u% _+ ?- F
) }8 i. e- T6 ]- E" `: e' jto setup-plot2
, D. ^. @* t! n; t- {' V
& [# `& R+ s* o0 p4 M) W/ |set-current-plot "Trends-of-global-reputation"
; a$ r k& G0 r* J
' S2 ^+ ~$ c: E, z: F3 fset-plot-x-range 0 xmax
1 x9 x6 {+ f3 ]' v0 \1 ?3 O% ]1 ?- {+ V& q
set-plot-y-range 0.0 ymax
4 Z0 S2 L. s; \2 y9 Zend {3 M9 I& y; r) K! b
1 e8 s" [1 @, X1 h* e
to setup-plot3
( @$ H! U( m$ g' m. H( |# g* h4 v% t8 Y' Z) E+ c1 I! \$ b: m
set-current-plot "Trends-of-credibility"
4 Q: @# g, X: h& s3 F, g7 H8 V, x, y, x+ U% I" x. F* B/ I% {% R
set-plot-x-range 0 xmax" d u/ D+ `: W" k4 V( `
# g. N& ^' H- i y; Z- r
set-plot-y-range 0.0 ymax
' s- f3 c5 u. h: W- Y ?end
7 R, J6 T# }) e
/ ^! u* u L; d1 {* H! g* nto do-plots
0 c: _ e4 c) w9 kset-current-plot "Trends-of-Local-reputation"7 S) F7 c$ c$ H* X# y8 B
set-current-plot-pen "Honest service"; z" o& q- P/ P& }9 ^5 l
end- R0 ~: c. R. F& {! u( Z7 L
2 ]5 x$ [% q# M2 m9 Z5 u
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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