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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
' u! F P, C$ a9 iglobals[2 S+ X, x* e( _/ b2 d
xmax* j% i/ } {" M0 p
ymax
) I& t4 c3 W! xglobal-reputation-list
' C4 d9 s, u2 E1 _5 f. z- y8 z3 s3 G/ ~! _ @# I, {
;;每一个turtle的全局声誉都存在此LIST中0 G1 M8 {8 H9 E" U) H6 `$ l& B
credibility-list" B; D- Y7 b8 O" L! U
;;每一个turtle的评价可信度2 C3 Z4 ~+ e; F! k$ @. B/ j [ L' Q
honest-service6 N! l3 _9 F b( K$ C3 K
unhonest-service, @- J2 `2 S+ o( d( R3 g
oscillation: z8 @ f& y3 x. _
rand-dynamic4 D. I8 h! S8 ~
], ~* ?. D% u( E4 A; S: p5 P5 W' ?, u
' p- a% ~/ @, ?* P/ \turtles-own[9 \% {5 U5 ~$ g4 i- b
trade-record-all
j6 U8 L, b2 }- ?6 `( J+ D;;a list of lists,由trade-record-one组成2 K: i& \2 y0 E; i
trade-record-one) D2 F2 t: [/ J% @
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录+ y6 d6 L4 U& [* P% k/ v3 W
: x2 g/ F2 l& Y5 P% k/ x. y
;;[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]]
) ^! B) y9 G. ptrade-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 I7 n7 i; t; q$ V
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
7 S. ?: `9 d2 r9 }% Hneighbor-total: V6 ? |" t# P7 Q0 T* p2 ~3 n
;;记录该turtle的邻居节点的数目6 |# J; T7 m, A5 Y2 @
trade-time
1 }. F- z% A& K& ];;当前发生交易的turtle的交易时间5 F: d( l$ ^; M2 |1 f
appraise-give
| n% e9 a) w. B;;当前发生交易时给出的评价& \" m4 F, A% u }) E4 f
appraise-receive
- _" T U ]# K/ [" ~$ @;;当前发生交易时收到的评价# a4 ^: r. y6 M$ `
appraise-time
- X* b# d; Z; ^: Y a$ R;;当前发生交易时的评价时间
* L( }" _' |: C" T j$ s9 }local-reputation-now;;此次交易后相对于对方turtle的局部声誉2 ~) p6 `/ ^3 F/ t" x. i
trade-times-total
. Z) J$ P; q8 H [;;与当前turtle的交易总次数
, O/ d- v. W0 Ntrade-money-total9 l+ U0 i0 w- ?
;;与当前turtle的交易总金额) U* F1 }( ?8 Y2 V& Z
local-reputation
z- z! Q3 G* nglobal-reputation
. q8 p% r7 L( y% V( ~9 d3 b& kcredibility' z" M: _! R+ v1 \
;;评价可信度,每次交易后都需要更新( ?2 T( M$ H' h X' R j& z0 E9 N3 Z( B, q
credibility-all
5 ?+ Y1 O2 O6 q- 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
% r! o4 Y8 e0 w% B
5 x# n+ R' L" a, m;;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0.54 |; x5 l2 s# F$ k
credibility-one
- h9 k, K9 W, n0 B% v! o9 j;;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
* z5 p* Z0 Y8 n' B3 }" wglobal-proportion
+ L g3 b( n/ \6 n5 Acustomer
1 G: G1 w( d* o! i$ bcustomer-no
7 t7 z/ q$ }& G$ r2 M2 ztrust-ok0 c. K# z' m6 k1 {9 D
trade-record-one-len;;trade-record-one的长度
/ M3 y v/ k: O# a5 m/ w, z) _]
$ p' [- e6 ]" q4 [
) S7 K/ e7 g" b;;setup procedure
/ g; w/ B* A; W2 N0 g; l) u4 G3 d% A' M; [6 f, r
to setup3 g J ]8 n+ U# k
0 ?# Q- z! {% \- p1 f7 H' J6 |0 r
ca
" B) O; ^' Y) n8 R% t
$ W, y( I b T& g) sinitialize-settings
' X6 m" V5 P) k* O: u/ D1 d: Z7 M: }4 P8 o5 r( v
crt people [setup-turtles]: b0 M3 g3 P* r p$ o, [
7 U( _2 y$ Y6 ?! e# |4 Ireset-timer
3 O$ B6 s: l# x6 s2 \- f( C9 \* [9 g3 r6 Z+ F) t
poll-class
. L1 i1 i$ u/ v( Q, ?. g! b: H6 u
+ j3 ?$ N8 d0 n _setup-plots) C$ }8 Y$ X5 \. W1 X) z5 l
1 Q/ e7 N6 U+ O/ L4 }" ^do-plots G7 x2 c% ?3 a% o& w5 K
end# X* t3 i5 y1 D* D
" h- v' g' f9 j7 c9 f
to initialize-settings C0 \4 U' `5 u1 P
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set global-reputation-list []
* P4 A. _$ j. {% L0 i9 {
8 v' c2 a6 v7 ~# D- Gset credibility-list n-values people [0.5]3 I# S {; r9 R8 p2 {' k+ ^
' L+ H$ {( d. v+ @: A3 I" Pset honest-service 02 R: W2 w/ w! P$ p
# I( L% y) g! a7 {set unhonest-service 0( R; k+ M2 G2 j& I3 N
* [& |) N. _2 ~: k+ lset oscillation 0
, }( _1 k# V8 H8 L- T6 u7 Z: U9 z8 m- U* c. P
set rand-dynamic 0
7 j, Y$ ~: Z+ p+ u! rend
5 f0 V! F5 @) m% B/ K. d- H
" p8 v3 ~* v5 M' E+ p Oto setup-turtles
8 l" W3 i: Z+ V) zset shape "person"& p* T: ]% q9 ]* g! F
setxy random-xcor random-ycor
2 e( Q; B1 |# V9 N5 f) T9 Z8 sset trade-record-one []
1 Q0 U9 \7 U; K4 Y& y4 S# F
* J/ h. f; B6 rset trade-record-all n-values people [(list (? + 1) 0 0)]
. u, E% o6 Q* i' \# o8 l! B3 D4 y, f/ ^ e( ~
set trade-record-current []
7 }3 h: `) h% W* @set credibility-receive []
- s/ V3 i: e7 r1 F1 |set local-reputation 0.5
- F* w) l; H9 ~% A5 mset neighbor-total 0 H& B4 `4 M; W- x& @
set trade-times-total 0! a# Z) W1 [3 g
set trade-money-total 0$ b) d1 T7 M3 t( Q, Z- o
set customer nobody
/ V* @8 v( {/ u/ p3 T0 ~3 Tset credibility-all n-values people [creat-credibility]
3 @5 G" K( @5 t' mset credibility n-values people [-1]' I9 d, W: I& `2 X" |1 R( J4 L
get-color
9 f' t( e: o. r" Q2 }4 ~* ]5 D6 G. P* Q+ Z
. `8 V/ e Y: X) f( Eend8 P8 X3 X- {% S5 o* X0 C' A" d" c
- F4 Q- N) i) d4 l
to-report creat-credibility
x' k' I! O$ E( W4 w$ qreport n-values people [0.5]# R% F7 ]( U! T7 F9 T
end
2 Y4 m* @* v7 M/ Y; C
3 }* Y9 G0 m. W! jto setup-plots8 ?3 J/ @' T9 I! L/ g$ l
8 T/ z8 \6 g5 @' d6 x% ~' c* |set xmax 30) p) T: h! Y$ H K
, {+ G7 S* P) @$ l$ Eset ymax 1.0" P- t8 T, `# l d8 K
9 |" ^3 O# h$ m. B4 ?
clear-all-plots
2 h( L# S8 Q5 k) n2 h5 Z0 z2 _# x' w
setup-plot14 U. e X3 d8 E3 X
. Z' \ ?: |9 n4 q! Zsetup-plot2
6 A. W' r7 n* `2 c* h! `+ h0 e Y# p" \3 w* l
setup-plot35 A7 M* M: K, I& _/ F
end5 @3 }" b t$ |# B
8 n: H0 C: U+ B- M/ {;;run time procedures
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# u+ |' |. _' \to go
7 P7 ^/ ^, G0 O- X3 J( Q. S% q
1 q1 s9 d+ l- Sask turtles [do-business]
4 [; d& v/ h! N$ q( ?end
0 t" F7 R! i u- O, _' O1 e, o' t9 j3 O$ H7 \" q
to do-business $ @( D$ h% P; S0 p, j0 I( W% c
+ @& n7 k; X6 y& x
: \& d b) ^, Q% T! S- c% O
rt random 3605 i0 P8 q- Q0 q/ X
& w4 Y! n. ^: b; l z) I1 x. Ufd 13 [7 e; n% z O+ v6 P& Z$ b( ~
& k+ N$ b0 d6 {, R3 a' R% G5 z
ifelse(other turtles-here != nobody)[
0 j/ p5 I1 T4 F0 g' z; X
! `8 B. w _2 Mset customer one-of other turtles-here0 W ?, l( ]4 A" [9 I o
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;; set [customer] of customer myself
c/ H; U7 R/ T/ g- l" D1 H4 O
$ U. t; L/ Y2 M" j& T. Zset [trade-record-one] of self item (([who] of customer) - 1)" B0 c, h0 P0 b- b3 }( s
[trade-record-all]of self
! Z2 V m& k6 t+ j! g2 N;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
9 {- T4 T6 `0 S: \4 }
3 f' c2 d" E: _7 U% dset [trade-record-one] of customer item (([who] of self) - 1). f( z/ X+ O& \' w2 I! J% U# m* }
[trade-record-all]of customer z: H) W5 g8 U* _; x$ I+ B' H
0 o. o3 V( a4 C4 _' Iset [trade-record-one-len] of self length [trade-record-one] of self/ I* U' @, @' q
' K5 A2 h; T, S* k& `$ |set trade-record-current( list (timer) (random money-upper-limit))
9 U! u' T8 Q8 u% |! r2 c$ B
7 E9 ?" h6 B" U$ a; w, B+ L) ~ask self [do-trust]3 }; F8 M0 V8 ]5 h, G
;;先求i对j的信任度
( S: n8 F7 E: K0 d/ D% a
5 e; v( t. n4 @: Dif ([trust-ok] of self)
) H8 f3 n0 @ j+ J8 F( p9 t& D7 U;;根据i对j的信任度来决定是否与j进行交易[
8 z+ g8 F: r" K+ M- ]ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself1 D* G: k% ^; t, q- n/ r9 B" {
: @( y; q3 B3 ]1 s( y[
+ l3 |1 U4 g& C' d5 c% [; F8 U, D0 `) }. ? V2 |$ _8 d
do-trade' H l: z |: P3 F2 T% h
0 y5 h& l. _: D, W% Lupdate-credibility-ijl4 a: d. f: K2 y
T$ P, F5 j8 O( L# s! q8 Cupdate-credibility-list6 N0 s' l/ r- w B* H
$ l/ g/ q/ |1 U! p0 z6 D+ Y5 D5 Z: J# a9 `. a4 h. X
update-global-reputation-list) A& E; r8 F5 F7 \
& ]. s2 Q4 c3 D9 ~' ]: @5 lpoll-class" b T Y6 j% z. u' I
+ r, g x, Q) ]& G4 M3 @: tget-color
{. Z o8 u/ Q$ ~
8 D1 r2 U' Q7 z) i5 f5 b! L7 |5 r]]2 u$ d6 _ _% Z( \! u" z# `: L
1 K7 l3 Q8 t& C4 T: B" i+ Q;;如果所得的信任度满足条件,则进行交易# i2 p" X/ a* m3 @& ]3 U
- f6 q" {/ D5 C6 w[
$ w" @% `$ C; m k7 w0 t
6 J: [2 s+ d8 y# l5 Yrt random 360
1 w- j4 c1 s% V8 E0 q" [ L
" h' `9 ?1 g/ `' |: ?! Cfd 1
4 V3 d+ p D2 V9 P) S2 s# y+ Q
* c& F! L" g4 o8 U! _8 o$ ~]
, P2 H: t! k3 |) X5 W+ @1 t* U4 w
- B! s7 k2 j" M7 F+ Send; T# @& u2 v) \2 W# t( B$ t5 _
$ P2 o/ i+ M; ^0 {5 m# `* h
to do-trust
. D1 a% a7 g4 M# k( m6 eset trust-ok False& n) Q1 r; ~- ^) x. b
) h# x, H/ P5 `0 u+ m4 u/ H
. m8 W3 F% U' r6 D& K' a1 ?) M
let max-trade-times 0
, I; O; L5 F/ P) @foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]], w/ E- L, _6 u9 b7 Q# u9 T2 }% g- [
let max-trade-money 08 T, d* p* Q% ^) W- R
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
: \) i; w, w* l4 s Y( ilet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
/ L" Z' G! _* p# w X# [" j( ? U+ A& N4 {. o$ I9 d
, g8 Z, r7 X/ s% sget-global-proportion+ `% ~/ z. K- y4 Y$ \. H( G+ }
let trust-value
( U. I) |9 r. M \3 i2 Zlocal-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 T( S4 N) R) s; Aif(trust-value > trade-trust-value)
: w6 C: R! ^! j, L6 w[set trust-ok true]5 T; X( B2 C Z, W v. O
end
p% N+ h0 @7 W: g
$ p7 @5 t* [" \/ d2 n" `to get-global-proportion- t3 v* U5 |" K( A' t
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
# Q2 [8 o) f/ ][set global-proportion 0]
' j- `$ S& y# t0 ~( y: a[let i 0
) Z, ]- s" L Rlet sum-money 0
) o' u/ o: u& z- K( |7 T/ G" ywhile[ i < people], c+ r* n {9 C
[
3 m& h( `: o( D) B8 S8 h) N7 @/ ?if( length (item i
" [+ O# x/ [9 m" X: K- ?3 }[trade-record-all] of customer) > 3 ), e8 X$ K0 g% }' i& ?/ f& `
[
& x2 U# v' r5 x+ _7 aset sum-money (sum-money + item 2(item i [trade-record-all] of myself)) ?5 o6 ?) x3 P) r5 J% u: p
]% z [7 g- A2 h: K2 O' E+ ~
]
/ B7 ?- n# m' U0 g1 L4 |let j 0
% j9 L+ s/ x6 X6 a8 H9 N$ C* E) E, V& Klet note 0
8 o5 v1 a, A8 s$ ?; @while[ j < people]& c2 b( s/ p' G) U& j( Z2 O+ U# L
[/ h3 z6 Q; Q; M p8 b
if( length (item i, [- M2 g$ L3 l9 y& f
[trade-record-all] of customer) > 3 )1 }% z* Y `2 E0 \) d& [/ q
[; W' [- k [7 F v( s
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)% Y+ o& h6 z1 T* Q& O% i
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
4 J) o4 N: A7 K( {" Z[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
+ x s% |) q' N+ I7 T]! \5 T0 j$ b9 R3 z$ x2 S
]3 X; B8 t1 d: j/ `* d: u) _
set global-proportion note8 V% A; F2 T' a$ q) m
]9 t4 I% U- w% i5 p: y
end+ c# w$ Z# K& s( P, S8 P8 ~1 v
7 d" O' e3 q3 |7 b4 U4 B" E6 e
to do-trade$ Y& _8 R- e8 Z
;;这个过程实际上是给双方作出评价的过程1 T1 O( f: j! p0 z& ?9 E* ? W: Q
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
7 h8 r+ C& O. V6 j4 v5 @, sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价5 R' m! W* q: U5 e. Y1 {) x% E
set trade-record-current lput(timer) trade-record-current" `4 }- T9 T" E+ Z4 \
;;评价时间
: n0 E. }3 A" n5 Eask myself [
B+ k z* l/ D8 w$ @update-local-reputation0 ~- i! z, _+ S" g7 c" Z3 C: e
set trade-record-current lput([local-reputation] of myself) trade-record-current& h8 L; @% I. P7 r) s3 q
]
: u, _4 @0 a8 ^2 I' v1 [; Aset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself& R% I, {5 Q0 a$ Q1 F& P4 V# M8 f; B
;;将此次交易的记录加入到trade-record-one中
! K% A) q" \3 w4 _; t+ fset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself). I+ U# _0 {/ w( ]% Z9 N- b) T4 }
let note (item 2 trade-record-current )% Y& m" y9 [: v6 Z; u$ L- E! i! U
set trade-record-current
9 \0 d; M5 O; G: b(replace-item 2 trade-record-current (item 3 trade-record-current))
; p4 w: r) W3 P# x: T9 c) Aset trade-record-current
7 K. ~% F& r6 m( u. ]% P/ o- n* ~- }(replace-item 3 trade-record-current note)
/ r1 e1 H1 Y6 w; }4 x: n6 y( \6 L% J, ^) r4 H7 a
* B4 F' _" P7 i( O i( X a
ask customer [
( Q: i7 _7 [6 Z1 f, xupdate-local-reputation
! j5 U+ Z0 c: r! ?" d& ^set trade-record-current
L) @( k, y, X0 Z9 U) c(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
: t/ ]) m7 ^$ _% \ f]
) _1 _' T, E9 R! f# \! y
8 i s. d% u8 K" E; l2 q: {, ?) Q$ c+ e5 V- y0 N8 z) C9 d
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
; _- g+ `5 y5 ~ D
# d9 [& u% U' Z. I! N. w5 y5 W$ Mset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
+ F- v8 S) t$ F;;将此次交易的记录加入到customer的trade-record-all中$ n* o( p. C. z3 @/ V6 ~& \& p
end
/ h) |7 P1 W& ]
, B; N& r" u9 B! D0 V8 mto update-local-reputation0 L& i' M. T6 {, x
set [trade-record-one-len] of myself length [trade-record-one] of myself: f% c4 S4 p- |. p" A. K
/ v* f$ y9 u' Y5 x
# Q: j4 g a* D* K \; l;;if [trade-record-one-len] of myself > 3 # g1 f' d* n$ A# C/ {; |' {) p
update-neighbor-total
, A* F5 @3 i3 r+ m3 }! n;;更新邻居节点的数目,在此进行! \. o+ P$ v: N! {* V/ o2 k) w
let i 3
6 [1 r0 [/ t# k! ~let sum-time 0
. c' T1 A' `, S0 k' vwhile[i < [trade-record-one-len] of myself]
: G) D; E9 I7 B- y[
6 ~, ^0 w% X' H0 m, R( @9 fset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
3 G7 E8 s9 Y; w- F: e! lset i
5 K) r2 u# D) o; J( i + 1)
' p: g! H/ Z y: m* C$ O]5 ?: S2 H% W* H- K: u
let j 3
. z2 G; ~+ U7 \& N6 Slet sum-money 0
& m& E# Q# [- @7 a twhile[j < [trade-record-one-len] of myself]6 L& k% n6 h* {# a! r
[
1 l0 A+ a+ V- ^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)/ }) y* O9 t4 Q+ ]& S5 W7 n
set j; l6 g6 T ]$ o8 b1 f5 J$ _" ]
( j + 1)
4 u, a7 a, `6 D7 L6 D0 t0 n/ y]
$ h3 Y# n3 H2 K$ z3 hlet k 3
- p$ J$ q1 E9 g! Jlet power 06 _, Q; y- W' x+ p( I* i
let local 01 [+ ?3 z9 b G+ b3 F: n# U, M; Y( r
while [k <[trade-record-one-len] of myself]0 A& X# |. d6 |/ I( n# [
[; E8 c1 q9 p$ ^7 W! K1 D$ ?* {1 w, `
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)
$ c7 |" s5 p: E4 z% ?. R% ~" ~+ iset k (k + 1)9 K5 a. {8 h( t7 N3 d
]
2 `6 {0 H+ a( X5 x' Q" L: gset [local-reputation] of myself (local)( `. q+ b' Y G+ d. ?0 l
end
! |/ M9 c* i# ^* d8 \$ b" ]) P. O6 C
to update-neighbor-total
' [* D: p8 G! P2 g8 I
* }2 N; E5 v6 ]/ qif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
5 ^9 t' ]. R, D% S% n( s$ y. m# x% c& d, T
0 l8 N. n$ t6 x* zend
, [$ h9 Q4 a& V1 ^0 Z
, c$ ?1 d8 ]0 O1 s$ V# d1 {to update-credibility-ijl
0 v0 R7 X5 C( X
7 o9 k: E0 } I7 b2 H, E;;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 ] p1 K* `/ o2 nlet l 0, _1 |- x: Q3 L$ N8 ]: P1 i
while[ l < people ]; U, {& U2 w2 m( [+ 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; l9 }8 b6 R4 y& f
[& l* |6 |" c' m( M( H
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
& n @9 c' ]& lif (trade-record-one-j-l-len > 3)
5 {( u0 F' c& X1 w[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& y# r8 w- C2 M6 ? x$ P1 U8 b1 P
let i 3# y- H6 z/ A2 |# i5 X' k- [& a5 O& W
let sum-time 0; x5 z1 D4 Q$ s0 Y
while[i < trade-record-one-len]% o4 Z% I1 M) B
[. C4 Z0 v( E$ o, N( E; c. o
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
2 B; i8 |5 V- I6 B5 ^set i& x: Y+ F% U+ f) s N! S
( i + 1); f- C4 p7 c% L
]) w. r [+ m, O3 {0 a4 ^6 {
let credibility-i-j-l 0
8 J0 |9 X: b* b* y. m* C;;i评价(j对jl的评价)
L+ M+ Y- V; @9 ylet j 3
# o# ]# D1 i$ ` olet k 4! W; U7 ` u2 X/ R' ]. B$ B* s) c9 ~
while[j < trade-record-one-len] K% n& M8 N) t( s0 m6 Q
[
# V; b9 T, ^6 ^$ y5 t, awhile [((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
/ L. b2 u7 a* U$ F) H8 iset 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)) m% Y b4 y$ _/ l! C2 u+ X
set j
1 ]! {4 j% `" o" k( j + 1)
+ q' ?: o K- Y; d, h]5 o* X2 O; ?0 j5 L, |6 x
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 ))
& @1 V3 ?! K* M. k. P( |4 w7 a
' d$ V2 \! a8 J2 B' f! t
% Y" D/ h5 _$ @ Elet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))2 x. c% F* I% F X2 i9 u. w
;;及时更新i对l的评价质量的评价
~, H4 r$ Y; Y7 v# j. tset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ], ~: O3 U% x2 B# t
set l (l + 1)' V3 ]4 ]& U8 ?4 ^. o5 |3 }
]
4 ^$ Q F- Q6 t) Oend# I/ U2 p% h6 J4 h! C' R) q
5 ~' |; O% X& v9 u; s5 d9 Q5 |: Ato update-credibility-list
$ N) S, Z8 O1 @% S* [1 x$ y3 Elet i 0* {; o! H3 W! g! j6 ]
while[i < people]3 `' _/ @- n$ r% L
[) B# {. `- c; m* _/ c5 o: I4 \
let j 05 @! r# M( w0 x. q* P$ |
let note 0
! f! y% I t2 l5 n/ X( ^' Zlet k 0$ A! F5 n3 S) j& V
;;计作出过评价的邻居节点的数目. v4 i) d7 w/ I$ R$ e$ ?
while[j < people]$ E% z2 _+ V/ d! [
[4 ^/ T0 C8 K) f4 i$ i# \
if (item j( [credibility] of turtle (i + 1)) != -1)
/ l- J( t6 D+ b v2 Y. [. A# M& ];;判断是否给本turtle的评价质量做出过评价的节点
* [- `) O& ^. n[set note (note + item j ([credibility]of turtle (i + 1)))- Q6 }( ^& ~" {' ]( f
;;*(exp (-(people - 2)))/(people - 2))]- q' ^! @: H4 A5 d
set k (k + 1)' T- V" m' V v3 l! F0 e
]
, E' @8 c, F# b! A, aset j (j + 1)+ B4 ]( B+ H- K
]2 d! g$ T/ @/ d% X
set note (note *(exp (- (1 / k)))/ k): |. R+ V2 X+ t h/ Y. \
set credibility-list (replace-item i credibility-list note)
* Q y5 ~& t! e; i. |set i (i + 1)
; X5 M2 ~( Y$ H1 j6 z2 P0 B- S]% l- {5 e" d4 i0 x9 R, R5 J
end
$ _7 m* `, b( x6 u
! v( I" f- w+ @' Rto update-global-reputation-list7 R, ^: X' m. ^# x* R4 y* K# C: T. a
let j 0
: x5 \. j' g. R8 C7 o& i$ y9 ^3 S+ J/ Lwhile[j < people]
F' {; F I& {# P: s6 F5 ?0 r[& O4 u2 t' h' U/ h4 E- t" d" K; c
let new 0
4 S0 H- ?2 p) T R6 S3 a6 R3 I;;暂存新的一个全局声誉, S6 g' a3 T! X5 H* ~
let i 0
" E9 n, b2 J& E1 R1 W- b1 Z `' m5 D% Alet sum-money 0
" K9 K6 l3 q3 |0 o6 V) x4 Wlet credibility-money 0( }: }$ q+ c+ \3 K. g3 T
while [i < people]
. b% f: ?# x2 K3 ^; ~* N[% d" y& |) X6 l; s# _
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))0 O2 ^4 M) j9 Q% u: T
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))6 B7 n7 B3 l$ ~- ~
set i (i + 1)
1 f4 g5 k% T& U8 B8 p]* S6 d& L( h0 A) e/ I H3 ]
let k 09 z* F( L) p% ?) D5 e& D# k. ]
let new1 0
0 Y9 G9 \' a1 W- awhile [k < people]
( D8 ?& M3 {. H: F& v( H[
% V3 Y! [3 ?: h6 ]1 Iset 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)
+ {0 I. \0 p5 s3 j' \" _; m5 {set k (k + 1)
8 J8 a9 J; O/ U: B]: m. ^3 V$ Z8 T3 y( c" f$ c
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
2 r4 P7 }3 e4 U m9 w; ]set global-reputation-list (replace-item j global-reputation-list new)2 Q S& M6 q% l
set j (j + 1)
/ g: K( K- q# y: x) W]
: @* A# m+ P! Nend
( D$ q4 F- B! a9 w" t) o# w0 w* w% I# Y5 m
! k6 K# b" s d7 N' C' ^9 }1 R$ s
+ p, O* L# Q6 d; m* F2 g/ v: w
to get-color; T! ?9 C' _1 g& h: }# Q
7 |( _6 f/ G/ H7 C, `
set color blue
4 a$ s, N( w/ F* hend: \5 _. W1 [0 P7 O+ X8 P, ]
8 a4 X: Z3 V' r, {
to poll-class
9 N1 [ j1 q2 L) {end
6 t, `$ U/ I7 K, e. r; M6 x+ k. c5 j) Z% Z0 [: p' M$ }3 h
to setup-plot1
9 O2 d }6 Z" J$ L
8 e4 E0 Z* j' k* N# C+ `7 e' K$ Aset-current-plot "Trends-of-Local-reputation"4 o4 `+ o, Y5 }% n
b' C$ Z/ L- a- iset-plot-x-range 0 xmax
1 J# L4 H4 s9 d# c8 }2 L# G
7 L, Z# h* A" J9 rset-plot-y-range 0.0 ymax
( v# R+ Y7 M$ J- ]( ?5 ^5 F# pend
6 J( |4 `$ f5 [" i' b; g+ V2 {
: d- ]6 W0 D% F+ @to setup-plot2/ k0 T1 t& V$ A" m+ R
2 T3 `( i% g7 lset-current-plot "Trends-of-global-reputation"3 }5 m n0 f: O3 Y
4 k" b. U8 Q# T y3 bset-plot-x-range 0 xmax
- S3 ~& \0 F. w; Q# w( ^' d! C/ |% U1 d! u" v2 D
set-plot-y-range 0.0 ymax
8 V3 x) g: v9 v) \+ Iend3 O5 T4 p: x. M4 v
& U7 Y. u! n/ [$ Rto setup-plot3! y% @5 x' m! M& h' V; j. g
2 q ~8 O: O A2 P8 o
set-current-plot "Trends-of-credibility"
# j; \! s& a b, E- l9 T' J" |9 z3 e6 Y! ]3 u
set-plot-x-range 0 xmax
( I# u" t: K: m1 e# u }6 V* x
set-plot-y-range 0.0 ymax
. B- A2 T8 |7 h4 W% Q" [7 h) Vend
+ i" Z1 L1 i7 E! V
- y4 x% l/ F. o, c# N* zto do-plots
2 r/ b$ N/ x0 i* E! d, fset-current-plot "Trends-of-Local-reputation"4 w! I0 Z3 h, A* t
set-current-plot-pen "Honest service"
* j9 Q. G1 x4 Fend0 R( ` w5 F( H& [! T% k& K
9 O3 P* `. X6 `7 N1 n
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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