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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 E W' q( y+ j5 k/ L. y i1 Q# x0 S- |
globals[7 p. K! L, W8 |; z, O
xmax
6 ?5 V( Y! f" z' Dymax
7 E9 d/ ?7 X. gglobal-reputation-list
' z/ p/ f: }" R, n- ]) W
8 N& Z0 f% n! P( K! r6 D9 Q# g5 f;;每一个turtle的全局声誉都存在此LIST中
; m& y* U. { l; c6 gcredibility-list
$ U$ {) M& C7 V. C q;;每一个turtle的评价可信度2 \" A$ o! W# [2 e% ~7 ^2 D8 g6 @
honest-service
1 C3 A+ Y9 N( E' wunhonest-service
% d, j3 H. |: ~oscillation
( C: p0 `4 s! {0 r0 qrand-dynamic
( G7 [) z0 e; M' g8 `2 @7 W]' q+ u1 L3 E2 f6 P/ j7 K: T2 o& M0 r' s
* Y" t5 W' o* @6 Z7 s6 j
turtles-own[- G/ V; A7 @+ p9 U; J: c6 h
trade-record-all
! a# z) i% L" ]! P;;a list of lists,由trade-record-one组成4 }* w6 F# ?( M& w4 g) W1 l
trade-record-one
, L& K: \+ t$ w6 `" B;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录5 |% F/ r2 E* M4 @3 x
: q% Y0 @- } h1 I/ R
;;[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]]
! R8 K# A H! f2 H5 Gtrade-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]' Z# @, r' i9 y5 @# k& @6 j
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- ]9 h/ w* V* Y0 g6 Z8 [4 R
neighbor-total
! _0 S( p! X# O;;记录该turtle的邻居节点的数目
- y- P" y2 D4 s; M5 L4 Ptrade-time: [ b5 i# D0 |; u# l- P
;;当前发生交易的turtle的交易时间( _) o7 S+ _" S1 e! P+ r" [; f
appraise-give
8 i5 B7 S' H/ M7 }5 F+ Z;;当前发生交易时给出的评价1 R6 o" c% o# R. R y4 ]
appraise-receive( N) I, e6 L! B7 U) D. V; K# X
;;当前发生交易时收到的评价
g% A7 g, q" }# b, p% y" kappraise-time
7 |/ p/ ?0 p# \. Y7 V1 g;;当前发生交易时的评价时间8 F2 L& e" G0 a) b6 L
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
" B% J- A7 O3 v( ~/ @' p. B! Gtrade-times-total
. z1 ~0 k1 Q! |$ y;;与当前turtle的交易总次数- w. A, x: o5 H) u+ T
trade-money-total- O, w5 N) _5 g2 u/ b2 J1 _! j ]( j
;;与当前turtle的交易总金额
! p( g+ R( U; |9 u( C2 U; |9 X7 alocal-reputation4 R7 i& f& i5 D4 m4 T6 b' x
global-reputation( q* o0 O) Y4 }% ]9 `% ^. o/ i
credibility
! I5 _2 M! m! B L0 b- G;;评价可信度,每次交易后都需要更新, g& ?2 J* s- `6 P
credibility-all/ u8 B' y+ v' B2 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9 Y+ O- W+ h# [) ]9 v
M H7 ^# z$ H7 B' i7 `
;;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0.51 B3 \, C# H$ s/ p% b# K
credibility-one) W0 `* C0 a! P6 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
0 p. Z: r0 B) H- Fglobal-proportion$ v& v) b! t0 F0 G4 |& q- [
customer2 J* i$ K0 k5 d0 h( R
customer-no
% U2 e1 g3 z! Z3 {) ytrust-ok# z* d1 u- G! x( E- b# U
trade-record-one-len;;trade-record-one的长度; d9 f0 i3 R+ s0 l
]
: e8 ]" E. O! f! Y/ A3 g& q- Z- L* t( l, p3 v
;;setup procedure
) f& N* d- B6 E M
* d' z" V0 D$ r) qto setup
7 ?( u `( E3 c0 F
; U1 ~. |& }$ ? b; U$ M+ ica2 A; q& O% q- w. s
- ?9 y% t. L' X$ c" A( Iinitialize-settings
7 V- Q( m) ~# r) T9 a! A$ |9 j* k
crt people [setup-turtles]9 j9 {+ C: p$ z5 K6 B4 u
5 F. @; z* w9 I# i
reset-timer. D- K+ V0 c) W4 |- M
; ^" P/ L, G/ \9 Vpoll-class
0 M% H7 t. V. x; R
1 K3 w4 C+ L% }3 A4 Jsetup-plots
( h/ Q3 ?+ c8 o9 @# ]- P# i7 R. U- L5 N2 J
do-plots
2 G j. y, e- t; \! Q5 nend
6 q. E, L; }2 r3 [( t, l
! M4 E' H6 Y0 bto initialize-settings
6 o3 M2 m2 o0 t# R9 n9 g' H, U% m0 V
set global-reputation-list []
# q! S, ~3 x( y5 ^- f9 q6 d) [3 @- `7 R0 V$ g+ O0 E- f
set credibility-list n-values people [0.5]2 o9 m' ] ]6 s0 L
& b' m' O! O. i! W6 z6 x
set honest-service 07 A" u/ V- _5 f& @! q1 ^
: D6 n; R# z( c3 l' E; b7 zset unhonest-service 0& @( w8 [+ q. j; E1 T
5 {# l% v, c0 v2 v7 O2 tset oscillation 0. \( H: |' _, x j# S) v
0 G; P$ A8 S) W, b" `set rand-dynamic 0
2 @+ _0 \9 M0 e5 u+ wend4 i* y$ M- p2 j
1 H+ D$ T9 O0 p( g3 `9 S+ f( C8 i5 u+ rto setup-turtles
, i% M7 R1 B/ y! Oset shape "person"$ W _( T. [- M- \4 \' V# |# @8 `/ d
setxy random-xcor random-ycor
& B" t! Q, t* s' j+ Yset trade-record-one []. M4 y7 ?9 [7 g) q9 `7 \
! r# X* F4 c" g4 E, i9 P( f7 L4 o& v1 uset trade-record-all n-values people [(list (? + 1) 0 0)] : S5 }8 C5 j8 l! e9 b4 ]
. w3 p; a+ d# a" f$ J) S* G
set trade-record-current []3 A7 |) I2 y9 V! v
set credibility-receive [], d$ @! Y/ i" ^5 s+ V
set local-reputation 0.56 O h9 M* U+ w0 c
set neighbor-total 0
) m9 u& ^% B8 m2 r5 c" D& yset trade-times-total 0; a! \5 H. k' p9 Q- l6 u) ~
set trade-money-total 0
+ [ u5 i! V N( pset customer nobody
. h2 N2 i* o5 b+ N9 I( R" D# B8 D0 iset credibility-all n-values people [creat-credibility]
, W! _, X8 v( {6 H- n* nset credibility n-values people [-1]
: \! E- c5 M: f4 d4 Y& e% Y, Zget-color
( V& \$ ?1 p3 L0 y3 Y- U3 J! k# w
. U1 {) c7 U6 U; Zend
- k' y4 J; q, [; \
8 S+ c$ F+ P, B9 F6 t* |2 {4 nto-report creat-credibility" P( x3 ^' D" A1 Q0 D K* Z
report n-values people [0.5]
5 L- i! ]% k; h* {, mend" c p+ X& a- }: H, Z. E
3 E; @! [5 l5 r: k' ~/ L
to setup-plots
0 o: N$ l* l( q% `# M7 s
/ z( o" @4 T/ O3 lset xmax 30
# ~3 n0 f+ m- W0 T5 ~
' U; P/ J1 K/ m" v9 n6 hset ymax 1.09 K2 H' g. X1 n. o) {, ]
i: |4 T, B( Y8 E! j
clear-all-plots
( B! ^ c* S( E: b7 a& a6 j2 \6 |2 A' G5 e$ t: L! ^
setup-plot1/ |8 x7 X v" s& A( P5 \
$ e: Z" I$ M: Q, J+ [* |7 c {8 V2 Dsetup-plot2
1 Z1 r# a0 F6 w: `* w$ b& _" a8 v' _
setup-plot3
: m ~1 R0 R* ^$ `end
+ m- U7 |* J8 g2 i* @' |! h: z/ c1 W/ I% ~ K
;;run time procedures
! s, r5 C( E3 L2 o5 \2 e
6 o% ^! Y8 t, z, b+ _" T: xto go
2 S: i3 H, e, P# L9 S: ?
( g7 R. D: e- @$ o# X+ \2 uask turtles [do-business]' _& a d' e% W( a3 e$ A y% W+ s4 o
end0 L" H( R8 W8 i3 T1 X. I& w& A3 R
, b8 L# q; N& b) C0 p' {# D; `to do-business
/ x7 h9 @0 o2 i) j" `6 a+ u$ f& `; d- ?. M: B3 q' I
# C2 ]8 g+ Y+ }( F9 f: m# art random 360# @4 K0 j2 p$ q, F) Q9 B
1 l5 C/ k. W% s4 x- R8 F) |fd 18 g, _' j0 N' n# f
' F( z2 g, S3 O0 l& h# J
ifelse(other turtles-here != nobody)[8 a/ ~( a7 V) J7 P' n+ Q4 f
* ~. c6 h. x/ ]
set customer one-of other turtles-here
' O$ z0 `8 u) O
0 Z9 I0 m }/ Z;; set [customer] of customer myself
' Z% t' }4 Q9 S+ g; l* Z8 }1 k3 c p% k t/ i
set [trade-record-one] of self item (([who] of customer) - 1)
) W4 H3 Z1 D7 D[trade-record-all]of self
8 t6 @2 Q& _; h& b2 f% w5 |. _9 z+ ];;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
1 X2 c/ M" B' s4 L, `+ q8 M
. {# J2 ^7 V9 C* _0 Jset [trade-record-one] of customer item (([who] of self) - 1)
! s8 J$ Y% _. `, W- y[trade-record-all]of customer
& u$ ~) e4 ^$ J5 ~! G, v; S, L. C1 N7 X5 F8 ]
set [trade-record-one-len] of self length [trade-record-one] of self
9 g- ]2 U% h9 O/ p7 Y3 G" M2 m2 m& c) P3 W9 g
set trade-record-current( list (timer) (random money-upper-limit))( H" X! c% z j8 n E
+ V" e% x) K* B% l& [% }0 |ask self [do-trust]
, |7 e# a1 ?! n0 P3 ~$ w;;先求i对j的信任度
- Q; @" o9 b6 ~, x: x6 s6 ]# @0 q; }% ?4 B5 w0 w
if ([trust-ok] of self)
4 M' ?3 k9 h1 `0 i8 d" _8 T;;根据i对j的信任度来决定是否与j进行交易[+ n4 W6 S6 Q" w4 ^6 \, n
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself$ Y+ l. v/ e5 `/ v) \) f: T
3 B: Q8 F0 _. M# T, ~0 }
[
5 T( H6 \9 @! b
5 z- i- M, Y' y0 c+ J! Z& ido-trade" a7 r! O' J3 @; }# U$ U' A. c
5 t) q, j3 b5 R" r% b j/ l
update-credibility-ijl" J% `8 o* G8 q3 [) `; [
8 \+ G+ V6 j* j( K
update-credibility-list
2 b- R* T/ w' Z ~# z% ]0 H* \2 t- b% w- p. q# l
8 l" X) R6 h' R% C- z: c5 Hupdate-global-reputation-list z9 @$ M$ m6 E
# w: P9 j$ {: T& D8 f+ rpoll-class
# b- E( }2 x" W0 D- P0 a/ v
/ a$ p2 m" B7 }/ p3 q$ Rget-color
- D2 X9 k! R3 q7 V H+ i, D" ~: C% i' H1 P* ?
]]/ }) w+ R' H7 S( l
% g1 ]; m' X E! U, B;;如果所得的信任度满足条件,则进行交易
% Y, C1 Q6 R6 t' [. ^7 E/ H. y) n% q/ D: x! o
[
0 d X8 f: Z3 ]5 L K. K1 J
. h: d$ N/ |0 R6 h1 _3 ]& Krt random 3609 y) r& h- i$ E( S9 X) l6 S* s
. f2 o3 r0 [3 r# t2 ?3 pfd 16 M! |" _; q4 G& K
# A0 P$ ^( c8 ~3 w. t
]
! T# g6 O/ |, e F' |7 b
5 @; d: h! [2 K8 j1 d( L1 |: g* send
% J) [: z1 ~( H5 u6 O3 C7 [+ X1 D! x/ [' p2 A! x$ U6 c( \
to do-trust
8 V2 W2 r9 X2 z. k5 s9 aset trust-ok False
6 Z; T6 G$ @& k' L, ]) g
1 @. H0 h$ m6 F" G) t6 W; @5 g/ v8 _8 _! f! q/ f. _2 i
let max-trade-times 0% v% Q9 [6 w+ p( Z# i+ M
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
0 O. ~8 ]3 P8 s2 u9 glet max-trade-money 0" v# |6 a9 K* n
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
- B& Y6 `0 e: }! s1 jlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))- V: z! a9 E6 V _
; y8 b9 }8 T5 l7 n/ x! A- g* C4 z, _( ^0 ^$ }) }+ ]
get-global-proportion% b$ p6 t& k2 d8 {2 Y K4 h6 y6 E
let trust-value
+ z# K( ^0 V: w* qlocal-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 D) i4 L# j' `if(trust-value > trade-trust-value)
0 f' e- }6 z0 g[set trust-ok true]
' C" ^1 W8 h; N8 q# z( fend' \' c: s8 R: Z9 W) n8 ?0 R& j& ^
1 M4 m1 A! h, G6 c( _& Y4 i# Tto get-global-proportion5 S1 Z1 |- [. s% Y
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)" Z3 A+ L! _5 j# N% V u9 c+ \
[set global-proportion 0]
3 |9 T; G: h! B1 w+ {3 F- E[let i 0. [6 z3 m3 e3 t! m: |
let sum-money 0
$ i; ~+ |" `/ [while[ i < people]
/ r3 K5 b$ R6 g6 |[+ h# u. f0 j% l- J; d* b2 B
if( length (item i% O1 l' H" }; q1 V @% k# [9 B
[trade-record-all] of customer) > 3 )$ k& L) o0 ^) `; ?( t
[1 Q0 v+ z9 _ M0 `/ v& s
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))( |( e1 U" N- T8 p% k" D6 A
]# L& R' ~3 Y7 w$ @
]$ w/ M4 u# n V% T2 k$ {) C
let j 0
+ W& ^" c0 V& n0 B- B- N# \. f! Llet note 01 U3 i! L& `% q1 n# j- a( H1 `% N5 }
while[ j < people]
7 u; o4 z4 o! `: _[
8 X: U7 h8 S8 [, W8 ^if( length (item i) u. F0 \: |5 p
[trade-record-all] of customer) > 3 ) Y- j& u3 h3 r2 j: R% D, ~! l
[- L8 c7 \0 F2 T$ b# b: q! N8 m& E
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)* M. l; ]- m, b4 V) Z
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]" L/ y% @4 b+ T1 b+ b- p
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
5 }7 l7 @" N: y+ r3 E* a]
) K6 \' V" ^" y2 x3 b0 D]
. u A/ Y8 o* K! _( e9 \' t& Eset global-proportion note
9 _3 S% J9 Q P6 o]
: t+ E0 h4 s& xend
0 p. X, A$ ^1 M, z% {) O
& [5 ~3 T9 k: p, Mto do-trade7 j" F$ P0 W4 t2 M8 V+ H. U# \
;;这个过程实际上是给双方作出评价的过程
9 b4 p4 ~6 R# k1 C; kset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价' [# w. U( g( c& d) ~8 M
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价& @; y# @+ a" M3 s; X- O3 L
set trade-record-current lput(timer) trade-record-current
6 I! ?( W8 j9 g;;评价时间, U& w. c4 |' H7 Z5 h$ F* N
ask myself [, a& U$ S2 n4 L: x
update-local-reputation
+ S Q3 L( U7 I6 A' P a3 A7 g2 ?set trade-record-current lput([local-reputation] of myself) trade-record-current, D% \9 [) H/ G
]' |" R1 r+ y X# W( P
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
/ p( [( D5 H5 z, V5 k' P;;将此次交易的记录加入到trade-record-one中
: j/ G2 T2 ?; o- G; ?" P$ gset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)" x6 X& g) V- N0 f# ]
let note (item 2 trade-record-current )
0 a7 C" p; d- U9 C- S+ Tset trade-record-current' @' ~3 m( g8 t3 A+ k
(replace-item 2 trade-record-current (item 3 trade-record-current))" v& F& B7 f5 F x& l1 |
set trade-record-current. S7 I/ N- L* ?+ M* z g1 ]
(replace-item 3 trade-record-current note)0 d7 F/ d5 U! M. ]" ^
( m, {( V a1 Y6 G# S( M8 _9 l
: I7 i3 [8 Q; L- _0 `1 c! sask customer [
$ u$ C* |9 ~" S( c, oupdate-local-reputation
, p- z& O3 {2 ?1 T8 vset trade-record-current3 `* |" n6 q+ P1 V( U
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) . E, ~. K0 a; e* x
]6 D4 L5 |& K. C0 ~3 n, N l- s* ?
& d3 L- Z% C. @$ W7 ?, A! X* p. P$ P, a$ h+ a, ]
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer2 L3 N, A4 h$ z7 X
* o- B' u: j2 P6 x3 mset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
4 F' n0 g2 b3 J;;将此次交易的记录加入到customer的trade-record-all中
+ v& n$ ~/ Q: j* y# I1 lend
& k. c, d( t. H/ \5 Q, i( q/ d) x) |* k: k
to update-local-reputation
4 d. E; N) L( }: y, Lset [trade-record-one-len] of myself length [trade-record-one] of myself+ a9 G7 S( L- U* x* @
' O5 q2 K. c; b" u" w2 Q4 O$ [4 J
$ z# q6 I) w$ E, A
;;if [trade-record-one-len] of myself > 3 / \0 P6 }- l6 k" x4 X! q
update-neighbor-total
$ b! o' D. e8 M2 ^- y( _3 V;;更新邻居节点的数目,在此进行
# v& m9 {6 ?4 |, x& \( H: s' L, b1 ]let i 3
; d" D9 H6 o) E8 M+ A9 H$ z8 `. olet sum-time 0& _" Z+ Y, { `8 Z+ V
while[i < [trade-record-one-len] of myself]- @9 v3 W" G. z1 y+ v
[5 z: y" f8 U! E! E. J. S: h* A
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
9 i8 P9 F% l8 t' ^set i y: U. x% h @; T; p5 s, Q
( i + 1); v2 r2 P( M( ?3 {5 m3 ^
], o I" W0 {6 s) w' }. Q' l
let j 3+ C9 n) b2 K7 `* V. [
let sum-money 0# [$ G6 x+ Q M% ?) G
while[j < [trade-record-one-len] of myself]: D* |8 I- m8 K/ p! Q
[1 W1 f4 c4 p( d0 n 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), d3 w) X2 y4 `
set j
# g$ J! `% A% y$ R7 X' s& }- H( j + 1)4 G: E1 q1 Y+ L! `! [% W: z1 k
]0 z2 W6 }/ t2 y
let k 3
" x* r6 W7 l. Ylet power 0
/ {- b6 l' g8 U$ t' }, Klet local 0
' P) u: z0 e O5 M- Y3 T8 vwhile [k <[trade-record-one-len] of myself]7 J4 F# \; G& z' D/ I
[
4 J% C1 W! o. J6 @$ v- I, }; 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)
1 j$ L- D1 m4 j1 N7 Tset k (k + 1)
K: y0 k5 ?- y' E' l! v]1 A; f# |& _) `9 o2 Q3 O% r) k
set [local-reputation] of myself (local): Z# F; o5 f9 _6 U5 Q5 H1 Z
end
% t, h- z8 Z& R3 g: s% t }, E- \8 T9 K* S" _
to update-neighbor-total' t$ F5 W4 J& I$ {) e/ H- B
: ?. ?6 j0 j# ]1 v9 Nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
) ]- h1 O5 K8 V7 x+ b
% z4 a& n% j d
( |1 @8 O$ `) n4 }end
5 _$ B2 `+ K. C' p
7 k5 s& {3 I# e' E1 K0 b8 d! c7 }to update-credibility-ijl
9 \8 C6 O. P3 {
* D5 _ `! E( _# F" B+ n% 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。6 [3 A Q( K! D8 }; O+ I5 n6 }
let l 03 @0 x1 I: t3 r' i- H7 D
while[ l < people ]
2 K8 P0 a6 i: }% T9 L; 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2 ]0 x: P, o9 N+ n
[: g( ]- H" p6 I+ u3 H1 m
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)5 S' p; c! E# K1 o, n8 A
if (trade-record-one-j-l-len > 3)% D* e* `/ i% S2 C6 g
[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. d$ R( A4 x, M( f* g5 W, l
let i 33 X' b {# z/ g2 R/ a
let sum-time 0" x+ O7 X+ g. R( ~
while[i < trade-record-one-len]
5 l9 ~8 U" S; ^6 K/ r" m[& b' |1 c( ~' {' a. V5 s) I
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
$ U4 w3 ]( }" X- @% e4 `set i3 c. w n; W" T
( i + 1)$ d5 ?& P; E c l
]6 X/ t+ O7 b/ U" h, F( `1 I: k
let credibility-i-j-l 0! X! n0 h# J4 F0 R- J6 i& [9 ~
;;i评价(j对jl的评价)( p" D5 D$ m* b+ W7 F
let j 3! s0 f* ?$ G" \) g1 l
let k 44 l, z! g- j" A; A6 }
while[j < trade-record-one-len]
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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/ \8 I+ H; S0 t# g0 u1 i! ^: `
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) F, R e. I5 R
set j3 h' Z: a- ]! L' H7 r7 N s
( j + 1)6 `) p V( Z3 d S) [6 ]# z
]/ g6 _$ p9 P7 ]5 ^% @0 q' G
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 ))& F% g' T- g4 t! U. o C% ?% D& O
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let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
- L! T% h: U. s* z7 ~;;及时更新i对l的评价质量的评价" _1 ~' } b7 v* g. M0 Q2 q* `8 f
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]9 [8 T9 Y) q( O, P" @! j, \
set l (l + 1)
, ?( y) X& P4 o8 Y7 x]; Z; u) T' E& I. N1 S
end$ x4 D8 H0 l& ?/ W. l" j
( Y9 z' H/ g- f1 X4 U$ C
to update-credibility-list
* _' _8 q q4 T9 `5 ^1 b5 ~let i 09 \: ?' l, H/ f$ v; q3 X ^
while[i < people]/ C. K" L3 Q) J# z: a7 E2 v
[4 a! J2 _$ L2 V5 h: l0 e* ^
let j 0
/ U" N0 e$ U6 C+ Z i- q3 Zlet note 0
R. r; c- v& Q6 ulet k 0" q- t3 p$ T. U0 \/ u: G! P& e
;;计作出过评价的邻居节点的数目
% }$ p0 {$ L0 x# F/ nwhile[j < people]% o0 w- i* m0 H3 x/ b9 A
[
5 Z6 Z# \9 ?( }5 P s, h. F! [if (item j( [credibility] of turtle (i + 1)) != -1)& D/ @" F- @5 i) s9 {4 D
;;判断是否给本turtle的评价质量做出过评价的节点
3 ~, ^8 A) B: V- }+ s5 ^! ][set note (note + item j ([credibility]of turtle (i + 1)))3 X7 v2 v# F- a$ l
;;*(exp (-(people - 2)))/(people - 2))]/ W9 _: t* v4 N) i) J: N/ t
set k (k + 1)
' @/ L Q2 r6 V Q5 r; I6 k]
/ B% S. L+ Z6 M8 A; I+ Y1 xset j (j + 1)
( E- i6 s1 B7 u1 s( n]
/ \0 x7 {* x+ G4 Z8 g$ `set note (note *(exp (- (1 / k)))/ k)( b, i4 `1 V6 b4 \7 {
set credibility-list (replace-item i credibility-list note)$ t; L0 Q B0 [( X' c; w
set i (i + 1)
( r8 _1 h: ^: s0 S) []
/ @+ H5 r7 ^8 R1 g4 aend: c6 ^: q# C2 [! p
. ]& h: Y% h1 U! A' f
to update-global-reputation-list8 N+ D! r- o3 ]- Z. U+ f+ f# l
let j 0
. g: O6 I2 C0 f6 M$ c8 Owhile[j < people]
3 s( [, a2 N% x1 X7 n. c# A[
1 R' Y# w) M1 Z- i- U1 l; jlet new 03 ^3 P. w( Y- L
;;暂存新的一个全局声誉1 H; c$ R: L! S. J' z
let i 0
6 F$ O9 f+ _( F# f) H' flet sum-money 0
* h- A1 k: n/ ?; N/ C Q Glet credibility-money 0
$ t4 G4 }5 Q v% owhile [i < people]
. k# R) h @0 @6 J- o& t[. d0 g9 }/ ^1 j0 P
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))/ y) N8 _5 f/ U) W8 B% ^3 v
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))& Z9 i- r+ n6 |6 R |) E
set i (i + 1)
8 m0 l+ j2 \- B( \$ F( a' S8 Y: X]5 D" k1 N+ `4 R" X
let k 0
# Y" ]2 _$ A q/ wlet new1 0
' M+ }: c( l$ `" c5 z- k* N/ ~7 cwhile [k < people]
. K7 {, P7 q0 ?' N" H. e[8 I* G, f6 [5 X1 _* q/ {
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)) l4 X- a2 S- ^
set k (k + 1)
6 A. ~& ?8 _; ^/ b" M3 K9 s" u5 x]
, H$ b1 i7 Q) J0 l% J* f8 vset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
* @: ^) m# I, E( Aset global-reputation-list (replace-item j global-reputation-list new)3 N+ r6 w5 D, r& o; l4 Q: u
set j (j + 1)1 N7 L7 t T% O! E4 c1 P
]
7 \3 l. D9 w+ K3 W& c6 M2 mend
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) k4 z; `6 o4 i* J2 r/ w
5 a: o Y; J! ]: mto get-color9 c& M$ {( l! I2 @
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set color blue8 a( z$ P% R+ O; H/ S
end
% L/ ]1 [: E8 ^$ }! A
* a# }# D# e7 |: h: W1 B8 J: dto poll-class% ~( K1 T) `6 J+ A; D \8 U2 I
end: X" n8 r4 ?7 V6 z) }$ x+ z
7 I5 k# f3 D, Z, g
to setup-plot1
0 E) \* ~2 F! A+ r5 k9 w
& u. w6 r! _' V/ oset-current-plot "Trends-of-Local-reputation"! i6 @9 j- Y' ]
) V+ K7 C! V, X$ M- D) f- f8 \
set-plot-x-range 0 xmax' D$ I" `- y! X; O$ H) a% p
! T; g4 f9 e+ Iset-plot-y-range 0.0 ymax* F2 P3 ~+ H" w1 e1 s
end
+ d2 ?# f O3 v9 \9 [
8 a: E; r! s, J' Z" s* T( ^to setup-plot28 V- e$ ?# I* s7 U* q9 L: Z1 s
. J0 x8 C& j) f7 @# }. u
set-current-plot "Trends-of-global-reputation"
3 P& Y' ]& \6 W5 x% L& L
0 R( i, `0 m* y3 L3 ]6 C5 Cset-plot-x-range 0 xmax6 m. h/ V1 S8 @6 M" N$ M
+ L7 y! P$ A# |. E0 Z
set-plot-y-range 0.0 ymax c6 S2 `6 P5 L& ]! K+ G r, E6 x
end7 l1 D/ ]- B, W+ Y2 W
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to setup-plot30 ?4 L/ `* s3 N" \; z1 X$ V( f0 B k
- E3 S& R2 P5 `3 P6 Gset-current-plot "Trends-of-credibility"8 w( O' |0 X$ C0 k N
4 B' A! w- k3 C& A# F; I+ k3 `
set-plot-x-range 0 xmax, y# ~ f* d7 K) T( u( Y6 {
% O+ m8 O+ L6 J8 j# r; m
set-plot-y-range 0.0 ymax1 E! ]. U" Z5 v' h5 [
end; h: x; }9 K( c5 m
3 r/ m! X; p& w$ Kto do-plots# o/ g# j V6 o" z% U$ H. V
set-current-plot "Trends-of-Local-reputation"
. g' v5 Y& ]/ ?" t7 u kset-current-plot-pen "Honest service"
' F1 b Z9 B1 M2 Rend
7 t; L3 T8 \7 D* I0 l! m; w C
0 P% L- F8 @2 i, j& p4 {3 b[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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