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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 Y3 J0 c2 O8 m M( kglobals[* ]4 z! f# T5 v
xmax, A2 t6 f2 c( ^
ymax( k& f, U) o+ o8 ^' M0 H
global-reputation-list$ l0 H- }( ?2 H
& T9 f! _$ L& \. Z
;;每一个turtle的全局声誉都存在此LIST中! b% C6 }/ q7 _) N$ P
credibility-list+ y; {) l/ o* M7 D
;;每一个turtle的评价可信度0 W& P% a+ H5 q, s! [9 c
honest-service
1 p0 Q/ b5 |* `# | y2 Yunhonest-service1 n; P" q) d+ X4 }& N
oscillation
% X" k$ w I1 l; @( wrand-dynamic( x+ A- k, Z4 l1 h) ?1 f& w+ U: E, B
]' n; R T1 A" p6 k+ X
8 H" f4 j" {. {. x" d& U4 y! a% Gturtles-own[9 q; i7 l, }+ E l2 z0 I5 ~
trade-record-all5 H2 q+ o- C. V' u* r- b, o( t# ]" w
;;a list of lists,由trade-record-one组成
+ j8 A6 G" V! s9 ftrade-record-one
% K% }8 U+ n1 R! C;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
P" V. C* O- i8 W" e, h5 W* z N& ]: c2 }2 W1 @* 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]]. L- [: h1 ^) {8 P$ N* d: p5 R o3 m
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]
; P* Y& D) n( K# I1 l# Ocredibility-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
, P; `- }% e4 i( ]neighbor-total
( M) O/ H4 M7 t;;记录该turtle的邻居节点的数目( X3 k# w8 D' f' t, x
trade-time
3 ^2 V; d, o, };;当前发生交易的turtle的交易时间
9 g/ c9 f' u3 r }1 Wappraise-give" Y0 X) z* ~9 K- I
;;当前发生交易时给出的评价
% w) E9 P. J1 v6 x5 H$ Qappraise-receive
( @; c0 T$ O2 ~; o4 G1 H;;当前发生交易时收到的评价$ ~) N9 X. _. g' Q
appraise-time
, t3 H1 V4 A' v;;当前发生交易时的评价时间" \! J9 U1 D# E1 I; h' d) o, K
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
6 f: t% Y. v! y/ ^- qtrade-times-total, l' f" {1 L- T- _5 V4 D
;;与当前turtle的交易总次数
1 s3 a3 e" I$ t! J, W# ztrade-money-total2 _( b! Q' {3 z+ _* d) g* g8 x2 h( u
;;与当前turtle的交易总金额
7 `3 I# c( I4 H: G+ S; Y3 q: mlocal-reputation
( i+ E, J# f1 ]global-reputation$ F9 \" ?+ {4 ?5 v
credibility
2 @! R/ d5 z0 S) u;;评价可信度,每次交易后都需要更新
* x2 V" m( g3 T9 ]2 h; Y* \/ bcredibility-all. H" g& X& X; H/ D
;;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* f1 Z: N v& w6 c
, N. y- G0 {* U; t9 b1 @5 J;;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
" k$ y7 n9 A# R: Bcredibility-one6 \6 {- u2 x4 Y* K, l
;;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
; Q; l) ?; a- h1 @global-proportion
; u: C" V7 d% W: u7 Xcustomer
. W' \8 V4 W9 ?customer-no0 y) B2 N7 N" X6 F0 F3 _
trust-ok: h* x" P' C7 L) K) w0 M/ I
trade-record-one-len;;trade-record-one的长度$ ^2 G$ G W3 {/ a1 ^- y
]
7 R; ?+ L8 j* x% j2 v- R& K8 W/ Q( `9 Z0 T1 b) f* c, j' Y/ @
;;setup procedure
7 S/ e& q( ~$ j6 K* `, Q( y8 k& G u O
to setup
' J, M7 k; ]: I" l, Z. }, K# @& ]5 o; p0 k
ca3 _1 d& q6 A, r
2 v( v/ ?/ ?) c
initialize-settings) B6 w: Y$ G; J; e0 s
$ @* a" T4 i0 L9 _- b2 ecrt people [setup-turtles]7 S! Z9 d* ~3 j% l) k
3 ?- v3 X/ [ N& ^/ K# _" Y% R6 F: Preset-timer2 g9 o6 f4 V0 Q7 Q+ |
, P! S9 [- I1 s" _+ _4 Ipoll-class
. a/ s: B6 L: m& G9 e7 j' V {2 U0 j/ Y9 Y6 l# C, j
setup-plots
5 I& h3 z: r8 s) y5 F1 J) h7 O& R8 F4 ]" _0 F1 _, _$ U: O, A1 K0 D
do-plots5 w- ?5 I" _& d$ c. c
end
$ A5 L+ U- H6 C( u d8 x
2 [, A0 \( I" g: K E; tto initialize-settings7 `! D' r% H; j# F/ `
" a8 K. Y" }1 [' V- `
set global-reputation-list []
. x3 I' G/ a, Q2 N3 h# _- ~
% `$ P5 L/ T* O+ d" i5 qset credibility-list n-values people [0.5]: P& H/ U8 E/ i" D! s& O8 N6 z, ]
7 n2 l. C3 i0 i- h& `set honest-service 0
! @/ B6 Z: q' b( }# Q' K+ K1 D5 n$ m2 F. y$ b# s/ M, ^
set unhonest-service 02 J5 J+ n" o$ v& G
9 T% U N: U) a0 Y: f2 Z- nset oscillation 0/ ^( a+ w% }1 V) D' V( k7 \8 q3 Z& X
2 H0 y# j0 H" M1 J3 ?set rand-dynamic 0. ]. `; ? Z( v: B. r& K
end6 |* Q5 q y T9 \% @7 \9 o5 D4 |
1 T- J% U" N, @; s, n J$ H* F) Ito setup-turtles ! h" s* H+ a. ?( D; Z* t) T+ ?
set shape "person"
: q$ H% |3 a! ]- g6 v' Msetxy random-xcor random-ycor2 H. J6 S0 d' e9 s
set trade-record-one []
8 n" B- p, x& e _$ Z/ s1 t! \3 \
- s, Z# g6 E! @0 Kset trade-record-all n-values people [(list (? + 1) 0 0)]
/ z6 c* j5 H- ^9 d6 a }0 ^& ]+ q; ^+ r- H! F# {9 O# @/ A4 c
set trade-record-current []
. p8 `7 ?4 K5 S0 q) [3 t; u0 O5 Gset credibility-receive []/ k" e" |5 l3 t e8 y
set local-reputation 0.5( _- j8 S* |9 Z8 J
set neighbor-total 08 ~: Q q) V) y' _# r
set trade-times-total 0 P1 @* H7 a+ ?$ i2 t: [4 M+ s
set trade-money-total 0
- q" L* c* E' q( O3 l' w: s+ Eset customer nobody
! O+ x M7 O4 Rset credibility-all n-values people [creat-credibility]
Y" E! q Y6 @% a q$ z2 aset credibility n-values people [-1]
. \& d5 Z D+ i' X9 H! kget-color
. O, M! w8 y b9 G3 K0 p2 Q1 {
5 B- r7 S) S6 j8 }5 V3 uend
, t5 F; `& I! o1 _' S* d6 n, d0 w" O
" R Q& X [6 Xto-report creat-credibility+ X2 Z; y- ^+ ^. v8 S: g3 A" t e, p. t$ Q
report n-values people [0.5]
7 r+ m1 E! n; ^0 C! N: d. }end& x8 g" `- f! h) L* `
6 B* M6 k9 f0 B0 s% ]; f1 l6 J
to setup-plots, U( N$ g M F' m; ^0 G6 P4 F
5 f* R6 M* _) p: t! M- }- sset xmax 30
9 M5 `: J6 V) s
C8 w0 F' y% @& O5 }, K( @set ymax 1.0
& X7 x/ q. G* n9 Z) Y0 t: ?/ W% R
* \: G, i6 V+ K w+ {9 @' Cclear-all-plots9 {. s; t4 T, x- K
. U9 o7 ]) H* q; E. g K' A" J
setup-plot1
+ A' [" @9 Y8 ]1 H8 M/ M
0 P o4 b: w! W( f- {7 ysetup-plot2
$ q2 X' `- r- Y
# C8 i7 Z9 u' e; R4 Ssetup-plot39 {% b# ^$ A4 p) r, H
end
& z; E. t( ~% T$ r& c: } U! L/ `$ B! r3 ^
;;run time procedures
, X L1 Y. v; |6 G) V3 A" |! b% @! z$ Z
to go- E0 W! f1 e: \& Y0 ^. C0 R
# J# d& E5 R0 r9 L
ask turtles [do-business]
" i4 i' F1 Z/ g( [0 I2 n: n. `6 lend7 u0 |) i3 X+ f, b, p, }
8 Q5 j9 o$ j3 v$ O# v
to do-business
4 h# t; [: z' ?. Q4 f: O
; {2 z& k* b# x- W3 M! P, c- v8 g% i$ e
rt random 360
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6 u C& Z1 o$ I3 ]fd 1
: V# s- X6 H2 f! \! T; g2 x$ l/ p8 b' h4 |. d% f" t8 O: p
ifelse(other turtles-here != nobody)[) n# ?" j ]: P4 Q/ H* h# j( s
, i& q. u4 P' A3 H- G+ N: F" w
set customer one-of other turtles-here
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;; set [customer] of customer myself9 Z9 F7 Z, ~2 \% T& W, i, v6 X8 t ]
9 Y" u2 z! S# T. k6 W/ p. ?set [trade-record-one] of self item (([who] of customer) - 1)4 G5 W& P# R5 k0 W
[trade-record-all]of self
( F3 R6 a) ]$ {7 ^3 a;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self/ D6 L% {9 R ^
+ f, M8 Y# _3 F1 s% {, L
set [trade-record-one] of customer item (([who] of self) - 1)- y, f9 A9 w2 ]* J: e! X
[trade-record-all]of customer8 t( \( j6 N5 J4 [; Z
: M" m3 ^3 S* {- w" e
set [trade-record-one-len] of self length [trade-record-one] of self
1 b) ^* v+ c7 L. B% E2 f( z3 j
% j( t: o2 r, O. P1 Y9 h9 Q9 r+ q% Cset trade-record-current( list (timer) (random money-upper-limit))/ @4 x- L; U. Y. ]: S
( X3 e# x5 V( x- ?* Uask self [do-trust]
# ?2 E% D V z `) t6 D+ @;;先求i对j的信任度
9 y2 I) }- V8 e
8 q+ F6 i6 q% |& Oif ([trust-ok] of self)( L9 g% H% p3 {9 g' s
;;根据i对j的信任度来决定是否与j进行交易[& m: V' G S: K& |
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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% |, w, b- _- n- M& _0 }! O[
, N3 X' w. a# @& Y9 ?* i* ?3 R
1 `3 a7 \1 |5 @1 V, _$ I7 Tdo-trade
( {) a' h- H9 G( C9 X5 {7 s3 c: a" d9 O# M( ]. v4 Y6 {. Z
update-credibility-ijl
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! K9 `/ c1 E$ e+ U+ ?* n" oupdate-credibility-list
5 C& z9 q0 } k G7 j. [3 t. ~" }2 k
2 B1 i! O8 u: n' }' e
update-global-reputation-list# c% @5 f: R7 S$ C- A
" c3 }- i" d7 y/ m$ Fpoll-class
& Q4 F$ O) Y+ }) B' q, q/ C( m7 J% Y' r
get-color+ v; f0 Q* Y X0 P0 Z
( [/ a! o/ Q- E/ ^* j3 ^]]4 g7 ?: Y/ v& P1 g7 p: s
X m$ t/ E% @7 i" v8 o* k;;如果所得的信任度满足条件,则进行交易
! t W. A' _/ R! f7 q& _2 L" `8 L3 G T# z, ]
[
4 t! H+ r9 \5 a
+ J; ^5 f. \6 Y% m/ X+ prt random 360, t' u+ \% U2 V& x" F; ~2 e
) K1 Y! h+ Q' P% z$ |' u* R; y
fd 1' [8 A- C' J7 O" S) x& G( h
" R+ H T2 I% ~" \8 G% u. u]* ?1 m& Z2 G }- [4 h; ]7 P
* K y8 U L! D' d9 L. j
end( m C+ S e8 v+ v6 I
" ~& b' a' d1 C2 C$ A) B
to do-trust
! _, B3 J: W: J* m- ^& cset trust-ok False
$ N8 z3 a6 i0 M: X% H5 E' `7 D
$ z7 Y8 R4 L" X7 A1 Z4 D1 k- I9 R! u4 ?' D! E
let max-trade-times 0
* I! s, E# b: ]foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
6 b0 @$ }$ F0 a( D2 Nlet max-trade-money 0
4 I- }. z: z# b) P& B; |8 |3 X9 dforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
! n) v6 W& H$ G9 Y! W: H( Dlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
% m2 ~0 X4 s3 V% o" V" z r3 K# D$ ~5 j
O4 H. p0 S( U0 A; e3 F1 k
get-global-proportion1 \& G0 U/ v& j2 H4 k
let trust-value) V' A" k# e9 \* W3 d& Z5 z9 l
local-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
% z5 Z4 L s( J8 eif(trust-value > trade-trust-value)5 Z9 b6 h, c8 j, d: l" X8 e# X N
[set trust-ok true]7 @3 A2 ]2 l- y/ S, j
end I/ v3 Q' h1 x9 }: H8 A
* ~- H* U5 _. z6 J; pto get-global-proportion
7 s( s4 J4 ]8 {0 q8 r% O+ difelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. R% r* f D8 s8 _: y[set global-proportion 0]/ K/ B+ h( c3 ~+ n6 j) ?
[let i 0
8 U4 ~! o! K! K) m" X8 [3 J! @: Zlet sum-money 03 `$ I% d" W& [* y
while[ i < people]
9 U" G4 \# P' d, d3 `; B7 X# K[
: | @/ O( _ v! y* e: d Jif( length (item i
& a' k, @" t2 v3 t9 m8 T! R3 [, d8 a[trade-record-all] of customer) > 3 )
5 Z0 @8 H* _% i2 D7 H1 H[
1 H Z; Y T+ a$ f; Dset sum-money (sum-money + item 2(item i [trade-record-all] of myself))7 K9 V( f( \$ P v6 d9 W* `- [7 m/ a0 h
]
$ G+ B8 {$ g0 Q]. s6 g" H$ H' p `6 W8 S
let j 0
0 ? o v+ D8 s. w. Vlet note 0
* J+ k" X4 {9 h! _4 w# Nwhile[ j < people]- x5 E8 k; k- q! C; C% [7 u
[; Y% d! ^8 \5 d G
if( length (item i W7 ?. k3 `4 R1 U
[trade-record-all] of customer) > 3 )
% |/ h) n9 m/ L4 A& D# G[/ j% f% e) f* W9 e* Y8 n
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
9 c% D' | a- j5 O3 H, P) f# [[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]% W$ Q8 O0 Q+ H; [# n& z
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]3 N" s2 {8 p5 s' K3 `% v5 Z& h
]# J0 q9 ~8 d% t: M0 J
]
7 A0 L+ K9 |5 L3 \set global-proportion note' W3 h& k( Y/ b* L) l- x8 s: v+ m
]2 v5 v/ s6 B3 L9 V% \2 d9 X
end y% v% L+ A: X4 M& F8 W9 ~
: U; T4 U. m( u0 a5 @3 K
to do-trade
* W0 v0 D3 F" X, |;;这个过程实际上是给双方作出评价的过程
5 ~: ^+ ~- V1 Cset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
# [! j4 E" e' {5 X5 h t" [5 iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
! D B2 }1 s0 y! Y$ tset trade-record-current lput(timer) trade-record-current$ r4 y/ G9 u8 X8 T8 f9 X: X! M
;;评价时间
1 A% K9 Q! F& q; ^ask myself [/ k/ @" v4 }5 x; I0 c2 j
update-local-reputation
1 }) \: x1 u( D. x u3 _/ gset trade-record-current lput([local-reputation] of myself) trade-record-current
/ f5 V }2 F6 W$ t4 p]3 m$ h" V4 T- W2 q% m& O$ ^
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
, B' `) Y Y+ v% J9 N;;将此次交易的记录加入到trade-record-one中' l! G6 v9 a, n/ k4 P7 m
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
2 Y3 l2 W7 f) }1 C4 Ilet note (item 2 trade-record-current )$ a9 H5 e/ _2 U* f. O6 ]9 E. O
set trade-record-current Z: `3 n8 r$ O/ {2 X8 c* P
(replace-item 2 trade-record-current (item 3 trade-record-current))0 C4 E7 X1 f2 v# E) D3 E
set trade-record-current
6 J3 E, B4 K: l- x/ L4 f% y6 q(replace-item 3 trade-record-current note)
0 @: q- ]* R8 k" d1 a0 p2 \
- i% T4 m) `" ?3 v. ~9 w5 K1 Q6 t6 Z7 C9 P/ G) f# N Z% _1 L
ask customer [2 c$ l2 V c+ U+ q- q% V& n0 b: ^
update-local-reputation$ y; P7 ?0 d5 y1 b. c z
set trade-record-current
$ K6 |) S4 P0 u& U(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
! }" X: Y) o) b7 c' _* D]
9 C% ?. `4 \$ _& K8 e9 ~8 f1 L6 M8 j6 b2 l6 f9 V
9 U+ x# W, N9 Y4 k. i; p, E+ u+ x7 aset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer) F; a8 P( k- t1 K! @# Q
4 C: t1 r/ t6 _5 M$ ]1 O
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
4 {" x* k" @+ q( ?1 v;;将此次交易的记录加入到customer的trade-record-all中
; I4 f8 e+ I% |: d, Wend2 j9 p: @3 c9 z/ S7 ~4 t2 ]. O+ B. v
4 R! C7 `; b3 ]" t5 V: o6 g& g
to update-local-reputation
2 d0 k* L+ ^$ |8 `set [trade-record-one-len] of myself length [trade-record-one] of myself
% [. e) f. J x0 F0 s9 @1 y6 H, I( M- u
. S) I0 D: b, ^& S u! Z
;;if [trade-record-one-len] of myself > 3 . O" p9 _( q7 \/ S9 m
update-neighbor-total
$ V; Y. _. p4 r;;更新邻居节点的数目,在此进行 @, k9 n! v, B8 w
let i 3) u5 E; i, o! e# y3 W9 H) b9 u
let sum-time 0
* y( Z* h6 E' n+ s [- G4 t4 Qwhile[i < [trade-record-one-len] of myself]! m7 P! b* g% L# M6 Y
[
( [ S2 y$ @( fset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
; u& R1 Q" a. {& u$ a/ Sset i
) J: Y" d0 l9 b2 n" f( i + 1)
% {5 i; n( Q* @]; Y! a5 D" V$ `9 U Z5 w
let j 3+ Z+ n) S8 C# B. a+ ?9 Y% K: R2 Y
let sum-money 0$ E$ h) [5 J9 l" V. i# y5 F
while[j < [trade-record-one-len] of myself]/ c" h% T/ E2 ~
[+ G0 H! m3 q4 ?, r i$ b
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)6 N& A) F+ }- v+ Q( F6 ~+ K. b5 q3 M
set j, E1 D% \# I% o6 O4 m' @
( j + 1)
. A2 K; j; H1 X c! t, u]4 f! l& X' U4 j9 I* s
let k 3
7 p0 H! c0 Y9 W9 Y) O0 xlet power 0. L4 v- Y; ^- {" l
let local 0) h, p% K' y& E. E
while [k <[trade-record-one-len] of myself]
( D9 `4 U4 k2 F3 a' [[: A+ F; D$ A9 c- l* e" h8 v
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) ' G, O$ S6 a& }5 D Z6 W2 P- [
set k (k + 1)
: T& E. u( @& P' o) o7 }! e]
; u) R1 J7 C0 p' U; G. E( j; Fset [local-reputation] of myself (local)
2 J( h% H$ S: q3 I" cend, n" X% i4 u! {1 q; w
: h, c; D3 V( M2 F) C7 w, gto update-neighbor-total
6 t/ i D2 X1 v3 R& n% Y/ H: W7 o$ H+ k8 I, K+ M9 Z2 q
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]6 r2 Q0 s! O6 R' Y
0 _2 ?/ S) ?% N7 `2 T) L+ p" T9 w4 c) ^& D
end1 [5 V3 z) l( B3 m S
$ _) n) r; [! z( i; g. }! V2 L
to update-credibility-ijl ! b% F/ }/ \, m* `* L+ ?
$ \- G0 j" Z+ p2 J1 l* g( \' G;;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 a% ~$ r& C/ J2 c* ?+ {let l 05 A4 D0 j9 _/ k4 o& B
while[ l < people ]' G }, w$ j" ?3 [+ w- T9 k
;;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
* ]* X9 h, i( y[! v! b E1 Q6 a! z
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
: ~8 B; t7 ~% }. I. N; ~if (trade-record-one-j-l-len > 3)
" U: t( X; Y4 \- t) h8 _[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-one6 G9 h4 h" S: X7 Q
let i 3
( ^$ F" |2 w8 o" M; P- rlet sum-time 0
8 Q* A& n' q6 xwhile[i < trade-record-one-len]( c* ?( o; B9 s2 y
[
' G( @ ^9 w; T2 a8 P H: Dset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
' e. w T, [8 Z( ~6 S: [# T: P4 fset i
$ F% k, D& }. y n+ b) l( i + 1)
?0 U% B. a5 I' g]
# ~5 W, o5 d4 P* t5 Klet credibility-i-j-l 0+ c/ t& s( V7 Q3 m
;;i评价(j对jl的评价); T( ]- D7 h# H) W: |$ Z" I. ^% J
let j 3) f$ K. k9 L% v7 M/ P& ]
let k 4/ ^) ` c8 ?- u* W
while[j < trade-record-one-len]5 M. U5 a; Y. x
[
, t( K4 G* Y* pwhile [((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% w1 ?; I- C! C7 w, w1 f, I c- U
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)1 J( t, O4 y4 X5 |6 q; t
set j
$ a" n1 }. h2 _/ e, s8 J( j + 1)! {# B$ n v/ ]; @' A
]
& [ Q i+ _7 b' l3 o7 ?0 }" ]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 ))
# r' _: Q1 K3 N! ~# O" T9 E
* l( K3 W3 f3 s, I7 t c$ G$ y! [, e
7 y7 x: h* i. d9 ilet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
$ i; P, b; O. ^" I- t;;及时更新i对l的评价质量的评价 j9 n7 o7 \' c4 t9 v
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. j/ K. ^ c0 V8 A6 h1 k4 k
set l (l + 1)7 I' o3 V9 G% g! a1 W
]
+ ], j8 V- j4 K! H0 Nend
- L q6 \- [9 {0 k/ ~7 R$ D4 I/ I2 W$ S5 q
to update-credibility-list0 o- |1 y8 U9 D9 t8 e
let i 0
: Y# G# K; L. hwhile[i < people]8 h; P) `- I8 n
[2 o9 B) U0 ~6 W/ E& B5 Q
let j 0
; f7 C7 p+ o' o# p, ?0 blet note 0
8 X6 I- X3 x3 {8 f, T& Rlet k 0( K$ K. O' w8 L3 _ |0 d, S* R' F t
;;计作出过评价的邻居节点的数目
, E( n k9 @# |# ?7 k/ Kwhile[j < people]
2 M1 W% ~( S( ~6 c[3 ]4 p7 }. {9 O- x5 J* x
if (item j( [credibility] of turtle (i + 1)) != -1)
! R) t5 _: t. w' H( b;;判断是否给本turtle的评价质量做出过评价的节点
( q; p1 V, |# x1 ^0 q6 q+ I[set note (note + item j ([credibility]of turtle (i + 1)))
9 b! u, f2 z2 m% O! Q;;*(exp (-(people - 2)))/(people - 2))]
, }' h1 { l) p% ^9 vset k (k + 1)# c9 K) ]( N, r, d8 Y6 u, ^8 b* J& z
]
! e5 q) d. [6 g* q# D* A2 Lset j (j + 1)
+ R; j) K# H% z5 [* i- C]
) r& B3 ?( W/ L* uset note (note *(exp (- (1 / k)))/ k)
) Y5 u2 _0 Y; ?set credibility-list (replace-item i credibility-list note)
% ~3 ?1 ^ r, a% Q w; ]set i (i + 1)% F# N: h7 P* k9 F( \* C5 Z
]
" Q2 P0 }' n) K7 u+ aend7 r7 U+ D* j; N
! N/ m, \9 h9 K7 M) v' Hto update-global-reputation-list
, X: Q% G( X, S0 t& dlet j 0* j( y" q+ ], ^
while[j < people] S+ J( @$ `+ q B2 j9 |& o
[
; \, ~0 U; E* I. Mlet new 06 B2 |2 u8 V& k
;;暂存新的一个全局声誉7 S( M S L! \* o, Z* @: F- a
let i 0
: W+ L. F6 l2 b7 Vlet sum-money 0* U! ]' q' R9 r
let credibility-money 0
* p, {# L4 K# y$ v6 Jwhile [i < people]
+ _* ?+ r/ j9 S+ f9 N$ l[
! Y8 R4 G+ u6 y) wset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))" H/ t# d2 t0 S
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))" ~& ?! D3 ?; ^- I0 m
set i (i + 1)7 C/ j; _' E* @* v6 t. z+ b
]3 X) I- C, d* x/ R# ?
let k 03 ]) v2 l& f1 K7 J
let new1 05 @0 N( L" o. M
while [k < people]1 ^" I" N) q1 f7 I" l1 `
[
4 [8 M. P, N `7 H% m ^; hset 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)( |) ]& h* j0 c
set k (k + 1)
% G& ?3 ]* E: c7 n+ d! c- j) r+ U]) u8 J: g* h x' R
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ' U" d$ v0 c# q
set global-reputation-list (replace-item j global-reputation-list new)% N4 o* n, E' }
set j (j + 1)
2 Z8 f" j5 b) u- `" J]
. ^9 L" A$ }/ r! Vend
6 w" U6 z* p# x- V! m5 s m/ k% s! Y+ ?3 E0 I/ q
" m5 x/ Y) y% j1 a- {- \& Z/ y5 \5 [. {- N# E
to get-color, A/ x- C! E: \7 e% [$ ~
/ v( N. H9 ]0 s" `' l0 Gset color blue
x9 C2 V1 A& `end. a* w9 I7 ^, G6 a+ M) ~
2 r1 S( \. P3 s: K5 Jto poll-class& {) c3 a9 ^1 v
end
9 z& d C* Y) n& [$ n2 A1 Y C! c* R) \
to setup-plot1# S4 @" ]) _8 G. U
& ]# v. j0 m9 o" G5 ?' [set-current-plot "Trends-of-Local-reputation"6 s$ }" J6 A: D# {9 ^' r8 r v7 F! _
}8 x; Q. e5 N- l# g
set-plot-x-range 0 xmax
2 {1 [" J' @+ H' I( i9 l( A4 E+ g, x6 U2 y: Y0 m& q
set-plot-y-range 0.0 ymax
+ Y* F9 v- a. l8 J# ]end
2 t( K( p) ^5 C4 a& N z9 v0 m a8 H0 K8 ^5 R! l
to setup-plot22 T D# u2 S5 q" o
. w8 V9 u E) K- ]0 m
set-current-plot "Trends-of-global-reputation"
0 T M3 b3 }6 B- J9 v' c7 g% O
4 r: X4 s- B2 Y9 oset-plot-x-range 0 xmax
. T- I: J. [+ S/ B& F: v& e4 D* G0 b5 {! }
set-plot-y-range 0.0 ymax
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- `2 V8 |" d6 e4 U# P
to setup-plot34 l# q" ~/ k7 j8 u* J/ U
7 J& V- v* P% o! C- a- d
set-current-plot "Trends-of-credibility"% Z0 q- g0 l$ a5 @+ i
2 b& o- d" [- d! O7 F% r, kset-plot-x-range 0 xmax
) u _4 C D( B- G! I
, d0 O" Z4 u, Z" Jset-plot-y-range 0.0 ymax
H( h6 q% w: n7 k5 J$ \end' l$ u! k/ l ^6 {
9 p3 q/ W, y+ l# E0 P4 s$ hto do-plots
) q5 u- ` ~4 u' Q3 t4 s hset-current-plot "Trends-of-Local-reputation"
. y! B! m7 l- Wset-current-plot-pen "Honest service"
: l+ P- I% Q6 F% A* Cend
* v6 I, k) a* L
1 r: J# w5 G2 e2 b( X' ][ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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