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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
, `% _" Q3 B, \" r, a. gglobals[
- {% ?( k' Q% L/ y; vxmax
$ \3 ^- z& ^% w4 D8 Mymax
8 R) K# s% s* A/ j: D! vglobal-reputation-list
8 f2 L2 ^1 A! U/ s+ }( v% C2 i" {& f5 h8 G
;;每一个turtle的全局声誉都存在此LIST中+ i* m, B4 d7 R2 y8 J
credibility-list# X2 }4 N9 X8 Q* m
;;每一个turtle的评价可信度
0 [9 Y3 T! ~. I( ghonest-service2 k1 n8 X" s% Y* S
unhonest-service1 c! T V Y9 B7 y6 G
oscillation+ t2 n7 u/ S r5 b$ W" o, \. G
rand-dynamic' T. p. w7 G# G) X- U" T
]5 y# U/ K3 g: O" ` ~
6 m( E6 X& |# Z& J3 s: h; |/ e4 hturtles-own[
/ i& ?5 F9 y# [" dtrade-record-all
% d0 N: L! _1 Q! |* L3 s;;a list of lists,由trade-record-one组成
/ {+ Q! _9 W v5 k! `trade-record-one
: Z4 f5 [8 n+ ?) P' \3 @( H;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
c: {8 [4 H$ Y' ]: y3 L# r/ @ v& j" Z& j7 F3 I
;;[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]]
0 C0 k1 k8 _9 j1 [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]
2 ^0 L4 ~5 C$ Ucredibility-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
/ X6 L! K1 v8 U) C5 s$ ]# V# w8 sneighbor-total
; Q" b5 b7 b" R8 {; {+ z;;记录该turtle的邻居节点的数目
$ E! R" T7 @* p( Qtrade-time
9 J3 ^$ r: g! ~2 v) L6 @& z;;当前发生交易的turtle的交易时间. j: q8 ^" p- |7 M, T; E, |
appraise-give9 t0 \/ A. `: v1 H9 q
;;当前发生交易时给出的评价4 @, H6 ]" r! f' X
appraise-receive) D! c. s9 L6 m) p$ d& O( c
;;当前发生交易时收到的评价6 [. Y7 C# c3 M& W" ?/ `# Y( p, \7 I G
appraise-time
. n9 C) H' R# k" G2 u' g. h7 d;;当前发生交易时的评价时间0 g+ y; m, I) C% Q6 K
local-reputation-now;;此次交易后相对于对方turtle的局部声誉2 a, D f" Z. a u
trade-times-total
; G6 c$ x* ^$ e2 q1 ?. v3 S;;与当前turtle的交易总次数; X! U& H- B7 A/ f( \4 K
trade-money-total
) h) R2 C( g0 {, F;;与当前turtle的交易总金额
) M K" j+ ~' T/ f' D! o# vlocal-reputation
7 w' R' _: |, N+ T5 u7 J& R4 z$ zglobal-reputation0 T4 A0 M I5 l% o; W
credibility
. C6 t- V4 G* k- K;;评价可信度,每次交易后都需要更新
: a: Z. F5 w* f) O/ ]; u F9 G" hcredibility-all: W- |$ ?- b3 r7 W& w* C3 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! g+ l) U( U' v2 P8 E: P* E% F
* i0 B/ `2 c9 \$ e S
;;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& o/ C) K2 P2 a0 F! ]credibility-one
" `0 _& B8 Z* F;;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2 u3 s z! p2 v
global-proportion
. e! G6 c8 y* ~! ~5 ?4 s" f7 Ocustomer: D% h& M u* D
customer-no' p: ^$ d9 [$ q2 T* B# C1 Z0 k
trust-ok& l( e5 L( R: W0 }% f1 K, i
trade-record-one-len;;trade-record-one的长度
' | n+ P4 {0 M7 v' x) f]
- O: B4 J; k; P, o, s
& H" k. H6 Z/ p; W! p0 k$ v4 _;;setup procedure
$ O# l5 M: _: ~9 k$ ~, [. @8 t3 E5 `2 B; y1 d: W, L
to setup
8 W0 z2 ? F. |! D1 O1 W* l- _! F* D' e2 W' v/ t( x
ca( M6 U3 y, B) N2 E: [1 @+ f/ B" ~
* X4 K9 [' r" p4 P
initialize-settings/ D' @3 I0 K) v. h3 {
- J* Z& X; [% b+ ocrt people [setup-turtles]
9 r$ |7 p) A; q( a. M3 J* X! E' `! N0 ]
reset-timer: P4 N$ \" K# S, K
; c, L8 D' w9 C4 e0 r
poll-class! ^' [- s, `+ y2 M2 H
* V# V, a) K+ U6 N/ b+ [setup-plots
: e: U' U+ s- @. t) h. P* t
* S. g Q, K- f0 A$ |do-plots! k9 V! V6 D n( t1 h, O
end( }/ y/ u# g0 H' e \
! z1 m% p8 p! v# y
to initialize-settings0 ]. Z0 y! P9 E4 d
/ u, C7 Z E2 m* K) v8 H
set global-reputation-list []
4 E# ]. v5 w7 ~6 l6 {/ J' T
/ f# s p- i) P$ `* c: Xset credibility-list n-values people [0.5]
( b D1 R% ^/ ]& @
7 Z, ~2 @: D d( o7 ?! jset honest-service 0
8 A/ ~. a2 e# Q( i3 \1 n' T% k; C1 ~. M4 q3 p( t
set unhonest-service 0
+ R& c( d0 {& {) N1 l) z4 r' U2 l
set oscillation 0/ k) }6 R( j! P @* S0 q% |
; W+ E1 e* |6 Z+ @& O9 W/ \% nset rand-dynamic 0
( O1 I* t4 ?# F0 }end
# L& Q" Y& K- P
& `$ p% {# I- ~; X1 ?% b ]to setup-turtles
9 @: }* R0 Q4 { M# Rset shape "person"2 A) \8 u5 |6 X% P
setxy random-xcor random-ycor m6 k& n& a( @' D; L* I( j0 c
set trade-record-one []
/ E k" y, s! F8 {) U( Z; c* F
6 S' E) x& E/ Lset trade-record-all n-values people [(list (? + 1) 0 0)] 1 b; w- J4 {. ]1 W& ?, ?
8 V6 y7 N4 E1 g9 Tset trade-record-current []
7 j6 y0 ?$ R/ z% pset credibility-receive []
p' b* I G% p7 W. @. s% qset local-reputation 0.5
# ]5 x2 q( {, E; ~& B6 ]( @set neighbor-total 0$ J% y+ ]9 e$ r/ E" j! a1 ?
set trade-times-total 03 N/ t6 C1 J$ F1 n4 {
set trade-money-total 0$ R. V, W6 W" v4 Y$ Z/ n$ n2 ^: H
set customer nobody) w2 \0 [0 I. E$ s/ U- J! |
set credibility-all n-values people [creat-credibility]
! D! U, a1 Q* e) J* c6 sset credibility n-values people [-1]
. @9 M# d g0 X! w6 K( q9 W3 l/ bget-color) p# g! z2 `6 Z9 ]
6 M8 N5 i3 b5 ^0 J+ q: V0 J2 Dend
$ Q' a, I T) k( H+ s5 J( \: r5 F0 ]+ U/ r; v1 }
to-report creat-credibility6 v T4 X" T: d
report n-values people [0.5]% W- L Y: a" i6 R( `. T9 n
end3 o+ A' p8 N) h6 a H' F: m3 C% J3 b
) r: b1 \7 c; x+ o1 I1 Vto setup-plots
/ r; Q% L: U1 c1 T! w b( |7 n, i
w2 N9 @3 X# [. u Zset xmax 30
; {2 V0 W4 N k4 y1 y, E
8 G9 b6 E: L# E# iset ymax 1.01 F8 }( f' n) K& t
$ O# u2 A2 y2 g& J9 x v
clear-all-plots5 j( w; W% m J, p4 h& t
3 \, {9 ?8 X- k3 I' o" R& l% n) f; h) _setup-plot1
! X$ P& X$ \! U4 H! L* }9 K: y8 ?2 N* r ] U9 O2 Y2 m- D: l. X
setup-plot2
# p' C4 A& ] ?; I2 c( ]1 U! V' Z& z2 B) p6 ^9 p
setup-plot37 U C( @5 @! O+ ~5 J
end+ Z9 {5 h) P" x0 R; P0 |0 J5 f- W- `
/ Q2 \+ }4 c8 u! E: J- I; x;;run time procedures
" K; G) b+ v, l
. |7 r% a4 ~ J: ito go) W+ Y0 b! ]* B! L& D; ~
- W* t7 a2 I- F+ |2 J
ask turtles [do-business]( {9 A3 v {" V9 w7 \/ i* @6 L
end
, f3 m- J4 T8 L! \7 q: _
9 a; m# o7 p8 k J4 X, y& J. bto do-business
; b3 h6 u2 J4 d0 d( p( h3 S3 |0 x+ \# v! W2 b4 }2 n {! N6 ?8 `
3 L6 o# J, X+ R3 n7 i+ e
rt random 360
; U5 `# X+ X9 j5 O- b9 a, b! ?" i2 ~4 n. F G
fd 1
" z/ |8 _4 \% H2 I9 S; s8 b& L) K; [& A; }% e
ifelse(other turtles-here != nobody)[
) D8 S# f. {4 [6 \) d$ ^0 P% y7 g
3 ^( Y5 n# [/ W) w; ~) v1 ^set customer one-of other turtles-here
7 J; \% o+ [) C* ^6 [( o( H; x8 J# C3 W% @/ H9 |
;; set [customer] of customer myself/ T* K: S8 T8 ?& j- B3 c0 c
, _2 u9 L8 L& r9 `3 O5 o, wset [trade-record-one] of self item (([who] of customer) - 1)- ]! v1 `+ A3 z( V
[trade-record-all]of self
: {& e4 @. |- Q8 R7 B- ?;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
D; E$ z2 ]. Y0 c- F
, w7 o2 r2 B$ m f5 U# `set [trade-record-one] of customer item (([who] of self) - 1)0 H; X* h+ y# e1 B: X7 _. g7 V
[trade-record-all]of customer- |7 Y2 |7 A5 s- L* d( s
8 f+ {* l) |" g4 t9 ^2 uset [trade-record-one-len] of self length [trade-record-one] of self) \: y1 r% G6 \. g H' \- R
& b. p* o( m( L& q9 _3 I( |$ Nset trade-record-current( list (timer) (random money-upper-limit))
# ^7 q5 y0 D( e) k
' \) E/ a2 ]. z) w+ ^ask self [do-trust]
; x8 K2 X+ Y8 E! X;;先求i对j的信任度0 u$ j# q# F/ R5 G, v* S
2 C* ^) Z5 e4 x/ }0 W* J! @if ([trust-ok] of self)
0 k/ K% E' k( s. R& i! J;;根据i对j的信任度来决定是否与j进行交易[, C' e( q, t/ Z- N% T( h- U
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself. N5 h8 n$ h0 y2 ^
0 q# a% t" E6 }" S
[! j1 A/ i& p* ]. I1 i5 `6 T
2 M* l5 Y, d7 G4 M/ q L' pdo-trade) _7 o; v/ \1 L% j
+ p) v0 j' v6 C, Q% _* r3 ~
update-credibility-ijl9 d3 Y' S! R8 U3 r- h n7 q, r. c
; W1 w, R- u T5 N+ T8 u3 supdate-credibility-list+ T; i B3 o' ~, ~( W9 C1 D
% D- m1 V! `% Y% }) |& K4 |
s( r% Z+ [7 l4 @update-global-reputation-list9 g: n! D6 i1 L$ h: ]5 C% N1 C# m& q+ E0 N
5 D/ R' Q5 s5 D3 X, ]+ hpoll-class
. G& g% i7 \# e- c l. X9 b
4 h. _0 {3 @% R0 Q" F3 D+ @- iget-color
4 Q6 x3 S6 ]5 G0 a/ f. ~5 l' x5 e& |# C/ `7 p. X4 w
]]
5 z: u9 K4 [( ^. E* @, u4 U: c; w) k3 I" v) `
;;如果所得的信任度满足条件,则进行交易2 _& Y% K) v! X/ H- p, G
$ N! t6 z% f0 J0 x' `- @
[5 W' X" F! \) h r' k z2 ]& i
* T/ J, t! N4 N7 _( s6 u: k, M9 d
rt random 3603 p) E4 A& ]8 X; N
9 C! ?3 a: n+ C; _$ R2 L" ?9 }
fd 1. J* w/ A6 R w
8 @5 r/ t, y9 R e]
8 D1 {% w _3 J, B# n" c" o; o! }5 `! {
end
$ }4 _$ Z! ]* X; \" T* D1 y ^
( k. S* d+ V) E# F% Lto do-trust / c; _ E# P+ _ {4 ~, n
set trust-ok False4 L# y2 \2 n. ?
5 M! q$ B4 z# p$ n' B! _* A
1 [6 |$ ?- Q1 F3 q3 A' H7 `let max-trade-times 0
& y9 r: ]8 H& @) y" ~foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
3 v6 E/ W% V" o+ n5 ~$ Hlet max-trade-money 0
5 j. ]* K5 y/ n+ M! J/ nforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
& | _. q& _" ?, }2 g1 Q7 Tlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
5 \. a1 K! v) Q" W! u( V$ o/ V9 @' j" t5 U7 M$ X
A* T% V4 y7 H, D+ L) z+ a4 @- Aget-global-proportion
) K4 E6 }2 L# J7 y5 D% ^/ Glet trust-value
. ^5 c8 Z6 T7 W: Q- B1 tlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)/ i. x( t0 H3 v4 }( R+ d: ~$ j& I9 T
if(trust-value > trade-trust-value)) p. }7 y' _: S8 \) m+ x& k+ a/ a
[set trust-ok true]# X' R$ q/ q2 Q
end* C, m. I: s* t
/ w7 N5 g% ? I- `/ Qto get-global-proportion7 |9 f/ X' m% M N
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)0 V8 o! o" P- R
[set global-proportion 0]! c. {. L! \3 u. H+ I. h" M: M# W
[let i 0& T- T: ^# n" Q( [
let sum-money 0( A9 N7 q- `# f# B7 }) g9 |
while[ i < people]
- }7 R) B9 y8 u[1 |) p4 K' ^& m7 o1 A: n6 @
if( length (item i; M6 v! Z5 ~# A1 ^5 `0 a
[trade-record-all] of customer) > 3 )9 ]6 j( y0 v. k& K- x
[/ l1 T7 D9 K* J4 {
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))( G: ^/ t4 b4 a1 B" `, [
]1 {1 ~3 l; y5 d; W7 C
]
! d/ U4 R+ W! B9 b. O4 a& [8 e* k4 Glet j 0, D5 ]2 `# H/ [9 O- w8 S' J
let note 0
" g9 I, _# Q' d) ]8 l4 Xwhile[ j < people]1 ~2 z% Q; g( n4 U
[
9 i; M4 D; F7 M( r/ W$ Vif( length (item i; X9 P, g( C, i! \/ d
[trade-record-all] of customer) > 3 )
% r& D/ t% x. ~7 {3 [9 \[+ x1 F. I6 _- E0 N
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
9 _! Q+ p6 Y# g C[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
/ E) Z! v/ R2 c3 n7 B2 d[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]1 j. ^4 K4 L! S* m. k
]
* T1 Q( |" M: i K/ ]. Z7 k0 Y+ u]
- |$ W8 Y8 S, f+ W0 j0 y2 L: tset global-proportion note
! ?1 U8 X2 S7 T7 A& F( J2 t1 j]
. M2 v2 W/ f( send
; U- t6 A( O K) I
% b* F( r0 o- ^% b. Ito do-trade2 d0 m9 X! S) [& S- g1 l0 z1 x
;;这个过程实际上是给双方作出评价的过程
$ v% M+ Z% X, E" y j6 c, Pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价- l3 K# J- }6 }* V
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价, [0 _" q" B. z, k* P$ M7 Q0 U& w
set trade-record-current lput(timer) trade-record-current n% [# w* A! L
;;评价时间: U- C- Q5 q* m
ask myself [
+ d) d4 f+ }; l3 n, T9 w4 tupdate-local-reputation4 U* K+ Q- ]7 s
set trade-record-current lput([local-reputation] of myself) trade-record-current
1 u7 I+ F; c! [6 t; Y' Q+ X]( l0 M9 s. V, {" h* w" v
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself" I$ H' ^3 w% e9 Y0 I% L; H# d: ~3 g( O
;;将此次交易的记录加入到trade-record-one中5 L" m$ y1 z* M% z. b, F9 B
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)( h8 }, d. d! e3 Q# s
let note (item 2 trade-record-current )
# x& l) d: m. ^1 a2 v2 W8 gset trade-record-current/ R: Q7 `; |+ n2 E- {% {7 @7 t# l
(replace-item 2 trade-record-current (item 3 trade-record-current))$ H( L: j! {# x( ]3 d
set trade-record-current- H# _% k5 G8 G+ V, I% H7 b, Q
(replace-item 3 trade-record-current note)
( t' i) Q' _: I, m( i) X5 \, E% M' {; o3 t/ ?5 Y" C
3 v' ~- |& e+ ~. V" Z
ask customer [0 {4 r) d& x- P: P* E
update-local-reputation6 `3 s7 k( K9 ^- t, t! E1 U
set trade-record-current
, X8 S5 w0 p0 W4 u(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 0 v; O/ b& m& q/ Z' g7 H. {3 o
]7 }& g5 W, Z1 @+ j
! R" t1 [7 T5 N: O$ g
1 F+ \; G' \" V( T3 p! J" ?, Q9 c
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
+ B' W9 M; t% F* V- v; k% b) K! m8 `& `
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
6 ?6 L- R4 T4 w;;将此次交易的记录加入到customer的trade-record-all中
) ?7 R3 I: o9 v! `! V+ F: rend
$ ?0 M5 [' K6 {- l5 [& }3 w+ v1 k& Z0 p, [1 W5 H+ b
to update-local-reputation
0 E. I! f" {! Wset [trade-record-one-len] of myself length [trade-record-one] of myself% Z* l W; x$ j! a3 N0 v ]8 }+ R
3 _. p" D5 V$ @1 h2 T: K1 c
) V4 @- N! A. U) Z4 a. x;;if [trade-record-one-len] of myself > 3 3 ^+ ?( e6 Y4 r! J0 p/ o9 t
update-neighbor-total
+ ]* R2 E- k1 o;;更新邻居节点的数目,在此进行
4 ? |. w2 v- X" r! G, n- {; w; @let i 30 s- H* U1 e" C/ U- w
let sum-time 09 K" f1 U6 q% G% b
while[i < [trade-record-one-len] of myself]1 T; z: Y! k4 c" F/ U1 a
[
9 y) k! ~+ {4 p: |3 R U: }) Sset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )( j) B$ |# k0 M. {5 q5 I
set i8 ?' y5 i2 v: `2 w/ J: [
( i + 1)& w# v" V$ m4 {7 e7 _2 [* O
]2 } ]6 @, u( [) G6 g# f
let j 36 c! Q: A6 ]& m9 \! X/ z. R* H
let sum-money 0
5 O. c5 r( B2 o8 I/ Xwhile[j < [trade-record-one-len] of myself]
$ i9 w2 k' j, _3 z$ N" ~[
3 V$ ]* F% l0 K8 `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)3 G9 c J0 @" M; g+ m
set j5 c# H9 u7 ~" n/ F( o! j
( j + 1)
+ o- E; x; Z) [6 I]
0 K; ]9 p. I0 e2 H! mlet k 31 k( z4 A* |7 t
let power 07 I4 w) |" b( R* Z
let local 03 ~+ t$ G* Z6 S5 _" c; M
while [k <[trade-record-one-len] of myself]( F& q8 Y w4 G& Y/ X
[
- u9 o5 |+ u0 R. J$ E5 @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)
) p8 Z' E4 a; m, Cset k (k + 1)
) l1 c7 T+ P i! n C* []/ E# {1 z$ _, @8 Q" T8 ?
set [local-reputation] of myself (local)8 K8 N8 x7 n1 N- R. C; e
end
5 I u, @* ]& Z2 @
. m$ K, T% \% N. i U* q3 J* B% Eto update-neighbor-total
; D% k& Q2 g# o4 b4 D0 W
1 q' P/ H! k1 p {if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]: f0 v! f8 H; y+ o3 _7 ^
! y4 P7 I6 G' ^- V) h
; `5 G% z2 ]& v5 ]5 E _) Z1 A7 xend: z& W. F. l' U( E
4 r+ N$ r# w& a4 h4 _3 Fto update-credibility-ijl
9 a8 y3 D( G9 |& j: C: {' s7 p
;;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。
# y* v7 S s; A, x2 Xlet l 01 }3 b8 t. n5 P# \! v$ S9 Q6 n
while[ l < people ]
( a: c: b: K- p) A$ _" B;;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
5 R% Y& S, {/ C! L* f[$ `2 j% L3 l; I+ N
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
. r0 v! s' \' N1 L' bif (trade-record-one-j-l-len > 3)
+ i( U5 u6 n+ n& I[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
& S' }" p3 `* Klet i 31 d3 D" p1 c0 r, Y$ z: d+ P
let sum-time 0! O# i: A8 t& z4 y( u
while[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
5 ?7 U8 P4 T# P1 vset i! s7 _& e2 J7 j+ n
( i + 1): J* z4 G6 w: Q r- b. ?, e# P# x/ {
]
w( X, u7 b" \ T1 Q+ h8 Dlet credibility-i-j-l 0
7 x: Z/ {7 b+ k& g0 q' i;;i评价(j对jl的评价)
8 Z, f, n P, P+ b* u+ `let j 38 P& Z$ y$ s- o' B' d% L# _# [
let k 4. s: e, y6 I) g6 u9 }& x! _& R
while[j < trade-record-one-len] o: O! K+ f2 g
[
3 Q( a5 S3 x$ M! Q: V% S$ R( ]: K# s* vwhile [((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4 }2 g8 f0 k. D& l. [/ E
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)9 a$ |7 s; \1 L
set j7 v/ e. \& D9 f* t5 S
( j + 1)
! U3 {, H9 `- m& c% |5 t9 ~" O]
: w5 N6 W3 `. Q* j! Lset [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 ))0 A0 A: i* D6 m# i
5 m% [, O! e( ~" E5 g- n3 O6 a0 R P7 L5 f3 i
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))" C1 f' C1 I% F
;;及时更新i对l的评价质量的评价6 A& j! f6 l9 S: F( [1 c& ~
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]3 f/ U( W* ~; p( ?7 w
set l (l + 1)5 U: b G3 B& e6 @
]! Q% u+ ?& v# N
end
& z6 H5 a1 E6 T1 ?; V0 S1 U( t l
$ g% f7 k7 A. J4 Z0 Z' a* e* ^to update-credibility-list5 p3 V5 R$ {! l( A2 n* K) H3 V
let i 00 e3 b" `0 u1 B% g$ U& ]
while[i < people]
9 h8 U' A/ A: F7 q[
4 L( N" `; ~' ~% v" Z/ Plet j 0
4 W7 f. M6 m6 e" K' m; k5 Elet note 0" ]. \5 b+ Q( E6 B
let k 01 `. R3 w& c; X
;;计作出过评价的邻居节点的数目
2 V5 w3 _: ?9 [5 `7 _# ~while[j < people]: @6 I; i9 o+ k% L$ z2 A( _, d
[
2 R7 x- b; f' n5 @+ }% V! aif (item j( [credibility] of turtle (i + 1)) != -1)8 p5 x- {+ I+ @( t& I% b9 L
;;判断是否给本turtle的评价质量做出过评价的节点2 M t& Z- d6 L* q0 X
[set note (note + item j ([credibility]of turtle (i + 1)))
$ l ?, [1 t: q2 ~! V0 s% Q6 S5 f0 M;;*(exp (-(people - 2)))/(people - 2))]
3 \3 P4 H/ U3 M( V. ~+ K( t' Sset k (k + 1)
3 [# t: |2 l+ V+ m0 V, ]]
6 P& g8 ]5 ^9 M( Rset j (j + 1)/ E; W4 W. J1 C: s; H
]
- ~1 h8 i$ a& ~) O) \6 f8 J; Nset note (note *(exp (- (1 / k)))/ k)
4 G# m+ t* y w$ t5 @ U( Xset credibility-list (replace-item i credibility-list note)5 G7 r* C g6 h" |- u; A
set i (i + 1)# {4 e4 P1 F, J9 e% W( v: O
]$ Z( O9 P; d. Z$ ]- D- e: \8 [
end0 _4 n C' r. `- q. C0 g' x# |
# o$ R- [0 D+ w" s, @1 W- y( G1 M, a
to update-global-reputation-list4 |8 ?+ t7 u% |5 |" I5 l5 p
let j 0
6 M8 N+ l/ B& |6 lwhile[j < people]; o, t6 a9 n" D7 i; Q" k
[2 F( h* e7 u! c$ _
let new 01 o4 y8 W+ ?3 Z# h8 |$ [
;;暂存新的一个全局声誉 r: F+ t7 x% a" k* |% d
let i 04 g# g1 f# p9 L
let sum-money 0- H& [6 {; T' [6 C- n; W
let credibility-money 0
2 m5 t, n1 v4 \while [i < people]6 G) K7 T5 y' w) A* r3 Z
[* }% ]% E Q* y- ^1 E7 X3 }
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))# n! i; f2 \/ G
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))' J$ B1 v2 s# F& s/ X9 B8 Z
set i (i + 1)0 E2 F; f+ F# H E" G+ ^! s7 ^
]
9 l. m$ d* t& X6 P m1 H0 elet k 09 F( L6 d4 H X- U
let new1 0+ F8 D/ s! o+ ~( D* M
while [k < people]
% _. U1 Q- L2 ?% W; v[3 O- e# _. p! }. F' @
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)- q; p6 z) K% O' H" Y0 N! S
set k (k + 1)7 c1 {3 | m, C7 [- s
]
' L% R4 ]% i0 ]* t4 l9 Y% L1 r& e+ Gset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
4 z3 p4 D% U( q* C& @$ Y$ Mset global-reputation-list (replace-item j global-reputation-list new)3 e% w. L) ^# Z2 A# x
set j (j + 1)
# b$ E9 k& [, Y& u2 N5 F5 m]
( p( H9 k" w3 B; Iend
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) M/ B; ], f" [( A' e
7 c- [1 w9 ]" y1 t
to get-color
% | k" g3 k8 [
1 g R, `9 C4 N A4 H% g# Hset color blue
+ `. ^" G4 k& _( r5 m2 u( |$ k8 Wend; U$ J3 s- @, R$ i8 O
+ M" ~/ B0 y( V& M: i. U
to poll-class$ w* P7 P, x: @; K5 a4 ` l7 @
end
$ s2 l% { E8 L' _1 }/ C$ ~ x! |. M6 x
% |: K+ e7 L" b. U1 mto setup-plot1
" F" {3 R% j& z/ q+ y+ @3 h# T' y. M8 Q
set-current-plot "Trends-of-Local-reputation"9 p O* l5 e" E- `' }/ P
) R L/ {9 r) f9 C2 Y3 ^8 x$ g9 M
set-plot-x-range 0 xmax
# e+ R$ s; D8 \% \' \' S$ h d3 K9 R$ }
set-plot-y-range 0.0 ymax
* b8 m, m- R! y: @% ^; wend6 {5 f9 Y- X4 K2 h3 }$ B) |1 j
2 n( Y- B4 k, w4 w/ S: Lto setup-plot2
7 J' n" _, J5 Y$ |( h% ~+ h' ]) N. {3 [. ]; I5 y) G% ?
set-current-plot "Trends-of-global-reputation" v6 _% t) D$ O
4 h9 H# f: D# E1 J$ H
set-plot-x-range 0 xmax+ T' c1 }# ]; s& c8 s
7 ^1 i2 t- K" D* P" G4 b
set-plot-y-range 0.0 ymax
6 i# r Q$ o$ i( @4 eend
- Z4 a! I* w: T5 i: p- V6 F" S+ D9 h
to setup-plot35 O7 }& T P! B2 Z
2 l' m# I: G% D8 k2 |
set-current-plot "Trends-of-credibility"
3 n( f0 |- x: w' w0 k# ~, @
' F, ?5 \% ]0 k$ d0 Kset-plot-x-range 0 xmax
9 e0 ?& {/ w0 G2 g$ O& D! T' v* X. n, r) X
set-plot-y-range 0.0 ymax
2 t: `6 e: u( K' lend. J, n2 L* S; ^9 q+ k/ T: n$ R
^8 L- l$ P% @to do-plots
4 F% W; \' U5 [! }* [5 g3 {set-current-plot "Trends-of-Local-reputation"
/ E& M+ h2 s& X3 F* A, D- Rset-current-plot-pen "Honest service"$ W# Z$ L$ e% K
end0 x/ F# s( t0 S+ C1 M/ {
Z8 V/ `' U9 o+ W
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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