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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. m# w! T1 i/ ^, ^; a/ A% J/ ~
globals[2 T; _4 X* Q% d- c
xmax
3 Z. s( E3 q* q/ w1 K8 _ymax
; U$ U N: O% E7 A. Bglobal-reputation-list
J3 R/ i4 r I' t$ P, R
7 J" x/ ]! [# ~+ E' H, ^;;每一个turtle的全局声誉都存在此LIST中
. q) q* |. U! Lcredibility-list
: `0 r" r$ v ]0 B9 w( b1 \;;每一个turtle的评价可信度+ O7 `% r7 g$ F- y
honest-service
7 H5 }5 z8 o: N, l) o& L& Bunhonest-service
. j. L/ W( R7 P7 Z2 `oscillation
; H2 k; W% K& U) v- z# K; w9 Q. Jrand-dynamic* V$ i7 \' D! M' M
]5 U1 M& Q: `4 {' S' ~+ L1 ^
2 R p) o" C9 m4 Y2 C6 n; E/ Fturtles-own[+ h0 T! L$ H' f
trade-record-all
; X1 V% T7 N' f" ~# o;;a list of lists,由trade-record-one组成
3 @$ k. N. q* d! A2 Z. o# xtrade-record-one7 R* \* _6 Q I: ^
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录/ h4 l; x, C. H* w( V# M
9 p e) ]( r9 a/ e# X) O;;[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]]1 e# f9 K1 _3 @0 T3 E t' t5 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]- q( y8 Z. d' |0 x9 }: d, E
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
/ [; d6 J( O5 _6 F% Y5 ?neighbor-total' f* l3 L: y. L m6 ~% F0 ^
;;记录该turtle的邻居节点的数目
) A# R7 m) p6 F# S7 z- A3 |trade-time
9 E" z( M" w9 c, C0 y2 \;;当前发生交易的turtle的交易时间
) P3 u$ o& T* F* O2 q8 l2 iappraise-give
, Q4 O1 ^; W9 Q! o;;当前发生交易时给出的评价
6 E N1 }1 i6 Tappraise-receive
6 z7 i1 f- m7 w9 i. F;;当前发生交易时收到的评价/ y6 `& A* b% J) ^* |
appraise-time" K: b. e! k( G
;;当前发生交易时的评价时间8 j9 }, e3 L5 c: ]
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
1 S5 B2 J/ J) V5 g; `3 }: y* Gtrade-times-total& P8 C* d+ \( d/ i* L0 Q F8 {
;;与当前turtle的交易总次数1 Z( D0 X) }) {5 l
trade-money-total
. X; p9 o+ @; }3 W4 e;;与当前turtle的交易总金额
2 ?7 V& l9 m8 y$ [! k/ llocal-reputation
: ]. i: t8 v9 f7 o% V0 r4 X3 m1 Iglobal-reputation4 }) m0 c0 x( d+ `* {
credibility
& V8 D5 o$ ?* @) ^;;评价可信度,每次交易后都需要更新8 g: M/ e! i+ L/ k# \
credibility-all
+ D4 a) f( }" z( }9 U;;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
& j; u( z w) x# e/ k5 [) j4 o5 P4 i6 O, r
;;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' u+ Z/ j2 r* G8 z0 V5 r
credibility-one
# l" B2 q( c. w" i2 a! D" q1 M3 ~;;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9 M6 s' b+ t B+ x" H
global-proportion. b+ u/ h( A/ L/ M" n' v6 i
customer
* l& ?- I- K- j* C/ acustomer-no" a6 i6 p$ W7 H$ V9 _
trust-ok
9 z. @" t' l' Ctrade-record-one-len;;trade-record-one的长度+ V. E+ ?. _0 A. s3 h, ^ {
]
8 l9 j& o# m% Y" u2 {$ X0 \4 L1 L$ c# U# |; _5 E9 z+ ]
;;setup procedure
1 ]% E; z4 {) }# C& V. G' `7 X, L: X2 B. q k% `! B- {+ T
to setup& z) |1 a5 B/ N9 T
9 e. `* t- |1 O' |" a. @
ca# j; ~6 M1 R+ R' x2 K3 I l& l7 `
& r( }2 O* o# ?# ?initialize-settings% h% P/ ~/ f1 Z6 }- U7 n! p1 m' j% k
9 H; G' _! O: z9 tcrt people [setup-turtles]
( S0 T. t- C' }
; D. u! s7 _4 T2 W. Y6 r8 greset-timer
& ?7 V. X* I# g* M' Z3 A9 n) [+ t$ n( z0 _ l
poll-class) X: o8 D2 H; j) @# i
8 I6 K+ k$ x/ H/ p8 `
setup-plots+ K3 P6 W' I! @' x
# o7 I. {* G* E4 Q& R2 v
do-plots* Z/ W- X2 @& @
end6 x1 U- e) W f
9 J# z3 F X- c5 R' oto initialize-settings
! g) o, b9 } ?/ l
+ N4 ?: G* A d3 |: n ~set global-reputation-list []2 P" H! Y3 z2 i$ u
1 z2 V& U2 N9 _# E2 D$ b% R6 Sset credibility-list n-values people [0.5]9 N P0 B ]1 E
. z: j) g* v! D( a
set honest-service 0' S) k0 q) G3 ]' o5 ~
8 z+ V4 r2 z$ _
set unhonest-service 0
3 Q' e; U0 Q6 j7 r' O, N$ V& B
set oscillation 0
8 [& M4 H- X/ x: Y5 X# `9 Q8 }) t' s* C( F
set rand-dynamic 0
! H) N7 k0 J0 ~ qend
& W7 u& }, ~, H& S8 g- V
# {3 R' [) i9 w. Qto setup-turtles # R$ ?7 d( ]) Y- V
set shape "person"
3 e; _2 C( y2 @setxy random-xcor random-ycor8 ~- L8 Y9 h) C2 n
set trade-record-one []
2 o3 x9 {" d; d' g
; K/ E; T# Q/ @) ?set trade-record-all n-values people [(list (? + 1) 0 0)]
8 H% [3 R( ` ?) \9 Q9 R) E# N' E& d# F1 Y7 t/ B7 ]1 p
set trade-record-current []
" }$ X7 g% ?3 U D; e8 `0 hset credibility-receive []2 b8 s3 u6 b. H5 {8 x
set local-reputation 0.5
/ V- q. T( [# T; {4 E% n3 Xset neighbor-total 0
$ t6 c7 K& O9 {' c* `; @" x1 tset trade-times-total 0 Q. ]- F5 g' ]3 h+ S
set trade-money-total 0, J, }/ Z( G( I- f' n
set customer nobody
1 ~$ G. N! e% d7 d+ J6 O( dset credibility-all n-values people [creat-credibility]
0 |) g0 r8 ^! \$ h+ j2 yset credibility n-values people [-1]; X r+ m& L: V
get-color& w7 s+ s" G8 J( |
; q) U# H7 Y0 y0 cend
- \2 f4 q b% r5 i( f. @( @$ T6 f+ X( S* |
to-report creat-credibility
: Q0 X5 |% d* L$ |% F" } Z. \& Treport n-values people [0.5]& `' `, ~+ S4 Z
end
: M; L2 a; J. y# L: b/ U) b7 ^7 i1 k5 \2 M
to setup-plots# M, U) @0 y0 `& X# o' @
5 J% O( R8 h8 x, Vset xmax 30: v9 r& i2 u ]4 X7 Y
% D4 @! \! {3 qset ymax 1.0
0 T9 F. Q/ Q {6 r1 S! q2 E& @# z& Y4 F
3 N7 f% y) @$ c# |4 I: p9 Gclear-all-plots: I8 Z* j, c0 ~0 p+ D1 C
! d" I: X5 j! t5 x4 S2 B5 @
setup-plot1+ k/ Z, C8 y- q8 X8 g
( }7 S. _! |! N( r* x
setup-plot2
! G! R4 J6 v) y, M; J/ h% H; L2 C& m8 Z% H7 J
setup-plot3
4 e) ~! I+ p5 n" N& r+ i4 y% R9 Jend
" P- K" s0 G. e/ k: W
$ E1 a5 f) d8 k2 Y9 [/ y/ R;;run time procedures
* [2 n8 F' V8 u) _7 D1 g. d/ m8 T# V7 V9 [4 b* K
to go
9 c4 ^7 r0 U1 r& Y; \/ M
7 E) |# X! v, Zask turtles [do-business]: e6 Z7 _0 x2 i7 q$ Y9 s
end% H' ` O4 |$ f6 F2 J3 R1 E+ X
. V8 Z3 x% f5 W2 Q
to do-business " c9 e: P# F' C
8 R9 o7 d$ g; x2 o
. L2 B1 i, Y% {! C ?7 A& G4 q6 Urt random 3603 ^4 d; A; o( S2 `9 L {$ c
( n, I7 o, e L0 `. [
fd 18 Y L( V% q, E! F9 N( ?
, j0 i5 t3 o' @
ifelse(other turtles-here != nobody)[# K# Q0 ?" B8 H' d
" V; H' b* _8 f! s. ~6 t
set customer one-of other turtles-here) Y9 U! u* h. P7 ^7 A3 o. \) M7 A) C
3 V: [# i& i/ o7 W; x, B;; set [customer] of customer myself
0 g# `6 K; [9 b- {( M; j. i# T4 h; `/ x4 V2 E U
set [trade-record-one] of self item (([who] of customer) - 1)
$ F: Z! g# n1 W, b' }[trade-record-all]of self$ T$ F, {+ O6 ?% Y2 S8 S
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self3 Z0 W. X, n$ @; C' d* g, n8 D
, r& `) ^# \2 ~% x1 u0 u, nset [trade-record-one] of customer item (([who] of self) - 1)8 |; h+ g( J0 z+ Y; z* ?3 D6 W
[trade-record-all]of customer. r' O8 k$ F* L1 W& ?4 c# I% A: c% Z
: j; n1 h, \0 M7 }( a
set [trade-record-one-len] of self length [trade-record-one] of self
4 w! T1 t# r7 Z
5 A& }- E9 n6 f1 fset trade-record-current( list (timer) (random money-upper-limit))
9 i" e# Y" d. D/ y7 a% }. w( N
; U, \% f' J( i. @7 t) g( Y/ b0 sask self [do-trust]- e$ i3 L( d" Q0 _" C' e( @, e8 W
;;先求i对j的信任度0 k5 y8 C- j+ K, A
+ l% i5 V" R0 n7 }+ W
if ([trust-ok] of self)
* O( f0 C( Z! i/ ?7 H- L;;根据i对j的信任度来决定是否与j进行交易[
9 _5 g( \" u9 w' U/ Lask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself) E4 N7 M' }4 ~0 ]
`* y0 H! w7 p8 I4 p# y1 W2 S y
[9 A; k$ E$ t' N$ f& D/ o1 X! ?
+ d: ?0 j* O( K: M8 d7 z6 ]do-trade! l8 o6 f1 o4 J1 q ?# G% _
! ]; U) _1 |/ r o0 Fupdate-credibility-ijl
" a$ C" x* @* \6 g+ l- p3 x& b) B: {8 B5 |
update-credibility-list9 L" b0 B- Q3 `% H2 W0 w( J& E
0 B+ `. F' T2 l2 G$ @4 P! j
* C9 g; I+ f) S0 J: hupdate-global-reputation-list
5 b. a- t* C6 t
! E2 y7 |$ L6 Z+ O( }! r# |poll-class$ _% B4 U8 a& L6 q
0 ?) }1 }$ J" Kget-color0 k& {$ n, t& T5 t& H4 h
/ u- l2 _9 A( O q3 |
]]
! V1 F5 E7 G/ X) _5 S. \" i( `6 ?* C" q0 H# ]" D4 L& M( S
;;如果所得的信任度满足条件,则进行交易$ [% y2 [8 y8 a; P) n1 W- t
* a) r8 V& z! T# A3 E: i- g[% `* B. V* u( Y+ f1 a
: s' u' P" Y" _/ _9 d% r+ srt random 360( A* F( T( p9 p# i# q4 g9 z5 A
7 H7 v$ m2 l* j/ b
fd 1
4 k2 P. d: i7 r( e) I0 V: c: c$ J" G' X/ Z5 q: ?3 c* X
]
6 _" q' T; l4 U) b4 p, T T$ R8 S% u- n, y( c7 e6 E
end
6 }7 B3 r2 ~; o
, M2 h% b7 A' Zto do-trust
2 M7 e* o( Z- h: T3 kset trust-ok False
+ ~. ^3 E% }2 ]2 i, h K# Q; e! n% ^( v) E
$ G( W9 j2 X2 S# v- I1 T8 o! I/ G6 glet max-trade-times 0
* ]4 E: Z9 I1 Wforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
, a8 ^4 t$ I! M- B. J6 q% ], y- Blet max-trade-money 0
, ]+ j( F, t" ?. a& bforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
1 ]8 z8 U! K/ ?% Ylet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
, I% r3 t/ U8 J: m, W$ n4 p9 ?7 k7 t2 W1 B4 Z! v
. [! t& C$ e9 {5 A3 gget-global-proportion8 B% l5 \1 M+ `- n9 H x* J4 d
let trust-value
$ T. H! @4 \2 `$ [! v4 alocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
( m$ y7 I1 v7 ^* Q8 ^if(trust-value > trade-trust-value): \/ [6 o! ]1 Q$ T; g8 `
[set trust-ok true]) `& q2 N' F" g
end
- H7 j' ]8 h8 Y w @ Y1 p
2 t! \( ^! K& `- `to get-global-proportion/ {$ O6 Z7 \3 U# `( ]6 a+ D# l
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)6 [6 ~. B$ W2 e X# W3 F8 _
[set global-proportion 0]' v0 B n9 \" }/ O4 {4 e7 A5 p
[let i 00 I% j2 R! `$ f, |! ^4 ?5 X# \ k
let sum-money 07 Y6 m k% q+ k) i
while[ i < people]0 k) G& C/ |! F' n7 t% I
[/ U, Z& H+ N8 S% }- \2 ~4 ?
if( length (item i9 r4 N. n1 j, ]& e d
[trade-record-all] of customer) > 3 )1 M- U [* V. q9 j6 k
[
1 ^; Z* e+ r7 y6 Z$ @& M0 bset sum-money (sum-money + item 2(item i [trade-record-all] of myself))% A# I$ E( s: Q) ~$ d% j. j
]
/ \+ O0 U+ f4 u }: u4 ~. Q]& W! ~$ `6 ? d& t8 q4 B& I5 y
let j 02 E( _0 a; r# M$ V* t2 H; x
let note 0$ N& _/ U* Z& h9 w- `6 _
while[ j < people]8 ^1 b# p* D ~, m7 j
[
1 n" \ q: ~, V# e5 Eif( length (item i" \8 j4 f$ C0 Z) h3 a: ?8 i
[trade-record-all] of customer) > 3 ), g. \8 g6 n$ \$ V) B5 ]8 I
[1 h& p. F0 u" x* ]( _% G9 E$ A1 }
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
$ C! c: h! C1 a4 a/ Y% ^( X[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
4 E( Z1 @4 n" w2 T, P! |[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
: {, L) Y/ |& W @]
( F7 ^# ?7 V) Y]
% g2 }- h* P3 d0 J, X* E* cset global-proportion note, \7 S+ @/ F2 h
]1 H8 s/ j' d1 Q. u& G
end
& r3 T% }9 t0 Y$ O& a% P
. s* g* x( Q1 y2 |. k5 M1 y4 Wto do-trade7 i! A8 l8 t" f6 m/ x
;;这个过程实际上是给双方作出评价的过程
$ Q0 @1 r* l Gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价3 ^) j7 J1 A3 H+ n7 s" U0 p' x
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
0 D/ J, p6 u% [3 a P1 n# z' U/ Nset trade-record-current lput(timer) trade-record-current; A0 e7 |8 b4 i: J/ J& G, r
;;评价时间
' [% ^/ a, J- b' q# ^. S! P! zask myself [+ V7 s0 m) I. d% v) I
update-local-reputation; F6 a& W' J# f
set trade-record-current lput([local-reputation] of myself) trade-record-current* ^ D4 e$ d+ i
]( H- M; j) E# @! a3 ]
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself# s) ^ F* [8 s0 u/ ] @
;;将此次交易的记录加入到trade-record-one中8 K. w# E, G- _! q5 w _4 R
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
, w5 Y; W# c$ |) N8 @' Dlet note (item 2 trade-record-current )" P w$ J K0 C# Z( i2 M
set trade-record-current, f, N6 b1 \+ h h. l3 B! ^
(replace-item 2 trade-record-current (item 3 trade-record-current))4 ?" I5 e/ g& n0 ]
set trade-record-current$ U/ O6 [6 q3 w5 C: T* Q
(replace-item 3 trade-record-current note)2 a6 ]8 z& ^! A" m) |& o) V
: ]' l. @* W5 ?6 ]5 x3 J+ I
- e; t( C! C7 o T( Pask customer [9 @- y2 R4 e& t+ ?
update-local-reputation. a7 y0 r! T1 J/ Q6 ~% ^
set trade-record-current4 e0 f* n0 ~4 O0 C5 I K
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
0 y% B( l5 N' w8 u]# Z( e4 I9 V% I; R/ B8 t
# O5 H2 }, V% `) F) i$ b- @, N2 ]5 `1 ` Z. q5 D
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
$ V8 U; H: J- P% e9 S6 ^' s) G7 W$ y. D; S5 A
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 d V9 n5 l) V1 A8 C7 }2 D; ?
;;将此次交易的记录加入到customer的trade-record-all中
$ Q# s, ^6 U, i. Q6 Gend+ V) C2 A& ^# `
0 q8 t6 j: H# z9 _5 rto update-local-reputation# {: g$ z; w! |& d: A
set [trade-record-one-len] of myself length [trade-record-one] of myself
6 p8 H! B1 I2 d; D6 t/ M1 T1 A3 j6 C ]- R. q
0 c3 ^5 @; r# I( j P, g
;;if [trade-record-one-len] of myself > 3 + v( } Y4 }" [- n# I4 E9 |" G- o
update-neighbor-total
5 ]% Z8 F8 b* R3 s2 c q;;更新邻居节点的数目,在此进行
4 \: X1 b8 z+ }0 B8 elet i 3- L) Q5 @! w% i& s& i# U
let sum-time 0- S) z5 }3 b" }* J
while[i < [trade-record-one-len] of myself]4 l; c" G5 O5 c. ^% Y! X
[
: V$ M3 k: [! Y2 Sset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
$ b0 ?& a. d L, q7 c% vset i
9 F6 @1 m+ F5 T" Y( i + 1)
2 h& X* @& o8 j3 Y3 c: T]( I: L" ^# l5 G" e7 O% `
let j 3
6 f* r- M* B9 _% K- P6 S* Clet sum-money 0- w9 [" ^2 z9 @& n
while[j < [trade-record-one-len] of myself]4 X9 r: h7 m" W# `# W' Q+ V3 v3 T5 X
[
9 O0 ]& {* ^. L+ `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)
7 K8 ], `$ j2 U0 ~: |set j$ u) m8 \5 Y; ~/ Y7 r1 Z! Y' i
( j + 1)
: p8 ]" u, r2 K2 I) ?0 I$ ^]; @0 Y0 t' G+ e" J
let k 3$ u; O+ f% n9 y
let power 0
1 R9 n7 H5 L$ ?' [" Zlet local 0$ r5 t. X& G9 R8 g
while [k <[trade-record-one-len] of myself]3 ~% j$ O1 _" F
[" {5 K; \% R, Y; i( R! e
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) 0 a0 f! J. v0 L, E
set k (k + 1)
L! g, z8 d% [% T]
0 {2 `% j* ]( z2 C# Z. \set [local-reputation] of myself (local)
6 l) Q% a8 f$ t. t" fend
! C5 w' _2 R5 G9 O2 X( O( j b% c1 u2 v5 A G; I8 ^$ L
to update-neighbor-total: _; a3 K+ F, Z) o
) p, y" d. v; l6 z, V) Wif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]$ S/ n4 B# G" G5 i0 Q
0 n# V/ \/ A6 P; B, D' G& o
4 n5 y8 l" t1 {1 yend
- a4 ?$ U/ Q( p6 E
5 U& H& A% M( M9 o; q3 kto update-credibility-ijl
( z6 b: b! u+ d' [
2 L3 B9 K# m6 X1 H;;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。7 [/ E0 O$ O6 O9 J5 V, U& n% _
let l 0( e# ^0 T& p% v, {% {+ F& h' _
while[ l < people ]) g; H; [+ _9 ^2 `" `
;;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 i9 \' c( c9 Q% Y' P[" P5 `7 |* W. Z5 U0 J. `6 d. m) X' @
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
, _/ U" n# R2 t$ A* {) Pif (trade-record-one-j-l-len > 3)6 B( ]9 S! v- r0 l2 f- q; e% ^
[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
3 T) P; i9 Z4 Elet i 3% v. X, O1 S: k. p
let sum-time 04 |" |' m' E- l, g9 @. D2 T
while[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
t) x' d: h2 w+ t3 a1 @+ sset i9 V! ~) w1 S. _8 v& v
( i + 1)3 T7 v$ ~% R2 B8 f0 G& T
]. U1 O$ _( p y
let credibility-i-j-l 0: R! Y0 M* F9 p* O+ b4 t
;;i评价(j对jl的评价)
% S# E6 P6 h. x( ylet j 3" N) x! i. |; k" n* @
let k 4
7 ]- A7 a8 h4 h1 o, \& Dwhile[j < trade-record-one-len]( v/ D! f, q; @) A% V0 M
[
) D! f" l" [ c twhile [((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
5 I& X" [+ m/ w! Xset 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) s6 ~% b+ t" w2 o7 z
set j
) u; S# R. V0 s* y5 o6 a( j + 1)! R0 W: \" I+ p" Z
]. J# }1 n& x: T
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 ))
. R3 p5 Y0 O" T5 v
1 n7 v; W" l5 h' N' d s! D% \+ E! X8 n! a5 X3 G
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))+ x$ V# N, t3 M3 s3 c i
;;及时更新i对l的评价质量的评价
% @$ ?/ |% w( A5 p5 nset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
* o: R/ O0 j. h0 g0 A" j* B7 ~ Zset l (l + 1)3 Y1 \7 b' o5 B, g3 q" W
]1 s: T) F6 V. D- u' F
end
8 J/ \. L( @3 _+ n3 w; I+ z+ H
* A, u( x, c4 N( Z8 Wto update-credibility-list" R, q$ |/ B3 B6 X$ y' z1 X
let i 0
' @ m& z- k- ^! Ewhile[i < people]
! X- R5 H- U1 Y& i) \' M; G7 W[" @2 S5 c4 {( K+ o
let j 0 v Z+ l/ F+ ^) |
let note 0$ d! `) A4 x2 L8 Y5 G' I* f
let k 0( \4 Z3 z2 y# a" v
;;计作出过评价的邻居节点的数目 z; m7 Y0 D+ b( \# r
while[j < people]
8 V4 x! ]* w, a" y) h! L, D( `[
0 y7 m+ p: _- r2 t( j! O p: ?if (item j( [credibility] of turtle (i + 1)) != -1)' _# b. }: a4 i. v9 K! ^4 P
;;判断是否给本turtle的评价质量做出过评价的节点
( X" e2 D' o. p[set note (note + item j ([credibility]of turtle (i + 1)))
! l) a& g* J8 D, \, b) L. \9 b;;*(exp (-(people - 2)))/(people - 2))]
& p+ k8 z5 a+ [set k (k + 1)
3 V) } v$ d: W8 r) L]& z0 U/ U' I- i2 k4 e- ]" p* m
set j (j + 1), W4 d( A1 R* c
]
9 E/ h) ~: u0 c" p0 F7 v1 |set note (note *(exp (- (1 / k)))/ k)2 t: h( p' d/ A8 o- G3 s
set credibility-list (replace-item i credibility-list note)
, c6 k$ {9 ^* _, _: z5 [3 g/ S! R& Aset i (i + 1)
- [9 S' E# x1 Q! w$ m]" M- d) r) h' W! z* i, v5 ?6 c. c
end" ^# ~1 e3 [9 t* z! \: W, P( z
/ ^2 _$ ~! `2 q8 O0 wto update-global-reputation-list4 X4 E8 {4 l- O: ~) Y! a( _
let j 0) B( F* i2 D/ H- x. a/ R" P
while[j < people]
2 s' L! |) j1 V" \[
/ O9 b$ Q$ [, i$ L0 ~4 N* }7 J+ Elet new 0
5 T' Y6 j" }+ X# g3 W8 ?;;暂存新的一个全局声誉6 y [! u* s: Q& i& y
let i 02 V$ G% \& _3 r! O. O6 w
let sum-money 0
# t6 V0 t8 g2 P7 j5 }$ B" b Tlet credibility-money 02 R; ]3 t) s. `) a0 r
while [i < people]& [# k7 Y# W6 j" i r. K/ L
[
c4 \" l) w; Dset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
6 s0 b# Y1 P& P; }' G: [" ]" Z$ aset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
: e2 Q' j( Z; Y, S0 q n$ l( d! Oset i (i + 1)
* g! E% e4 B. }* Q% []
$ a) W" L; R2 H5 g+ g8 slet k 0% W6 P; |5 {" r/ Q4 y: S
let new1 0& s O! p, ]* b4 K6 T3 \
while [k < people]1 j3 K5 v0 g$ B: `
[
* x( v+ a$ r/ t8 c# |1 K* {" mset 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)
/ k2 s0 E: A/ a! l. Kset k (k + 1)
6 c- }/ X( a: v( w( q: G]7 @4 q- ]1 y9 j% a7 y
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) . s- `% n3 ]6 L
set global-reputation-list (replace-item j global-reputation-list new). b' q6 ]& _/ U6 N! ?7 u
set j (j + 1)/ m+ X4 D. j3 @: k6 s0 j/ |
]
! ?4 f, P0 m# T. l2 v' w: ^end7 a# ^. d0 p3 \& H- N
a0 n5 ~" Z8 L0 r7 x
+ G& S n" I; K$ _! ~ N: F
8 O8 \3 U- X, K7 S$ a: M1 x" H
to get-color
* H3 x( _' h ?
- _. C& o/ x, Y$ E, }3 Vset color blue
5 e* {3 v# m5 U9 j$ g1 j5 qend% M6 N& G/ o$ b
& a3 D1 I* Z* Y
to poll-class! Q5 J* H% d6 T) `
end
- j4 c, T2 }) c j2 w5 J$ n, r. U. r, c- X7 B6 g! O n8 y0 j
to setup-plot16 p7 X6 o6 Y" R7 v, d* `3 v
* `- `3 I0 [4 P! b7 t- i" R
set-current-plot "Trends-of-Local-reputation"
1 k$ G: a; _4 w9 X# _/ Q/ S! k$ i: E; O+ O0 d' F* F: @. x& \5 t
set-plot-x-range 0 xmax
0 c2 l5 M6 L( F: J0 H+ D3 ]! w- R+ o4 f$ b) z
set-plot-y-range 0.0 ymax; \7 P% l8 j& w' l- J4 x Z- z1 v6 i( _
end9 n' l- L2 [- O$ S# ~2 a; t
. F8 v' t' n# V" o7 L$ e" \/ hto setup-plot21 o- O7 j' N: x! f
& E; E" o$ c6 d5 ?% R5 n! q% v
set-current-plot "Trends-of-global-reputation"7 W! y5 z7 t. {8 y, U8 u
: y, ]; I# Q6 R
set-plot-x-range 0 xmax
. T/ r* b# K N, l; Y. B5 ]) Z" f7 Q& B( r* v7 _# `
set-plot-y-range 0.0 ymax
! } L W' _5 g3 W1 Xend* _ R, k7 K% C8 X6 o$ T
( g+ ]5 M, D1 u# z m/ D% ~1 Cto setup-plot3, g# Y- ~, a3 k) x/ u0 l* k
" o, p: A. L; N- }
set-current-plot "Trends-of-credibility"7 L7 p( J( `% C- o4 ~' h. p0 Y% N ~
" v7 }$ |2 ?: F6 j {& A5 M
set-plot-x-range 0 xmax
# x: y+ W' V/ S
# J. c* j/ ^+ ~3 {& T( Yset-plot-y-range 0.0 ymax
# }) t* B. t1 fend
9 h3 w' J" { n6 O6 b4 n! R( M1 i
to do-plots
. h. I6 ^) h& Q% ~" u+ p3 |set-current-plot "Trends-of-Local-reputation") H9 f9 L* z" z# g/ J3 R
set-current-plot-pen "Honest service"
% P9 @' e7 E/ e( l: ~: ]" R9 bend( o6 ^0 M6 q$ a3 b4 d9 c, v
( ~/ x7 p* g, `5 |
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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