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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
9 {' B) o: \' q! B) B/ L+ tglobals[
+ e( F: Q5 d% n4 W$ Oxmax
2 I1 l3 z" H- L6 |$ l. Symax4 k8 f6 |5 f' G
global-reputation-list
! O) F1 `9 n& T9 u- i
+ G- n. s8 [( [$ l7 B" A;;每一个turtle的全局声誉都存在此LIST中
1 `: x; H4 _& b4 c- s* _/ xcredibility-list# k" T/ [+ x4 }2 A6 N O# }/ R1 C5 J
;;每一个turtle的评价可信度4 H8 O j& p. X& P$ b
honest-service# S- h' L# t; B
unhonest-service6 [3 d& L, s: z! ^/ U
oscillation
! N3 i3 X! Q* j# Wrand-dynamic
$ I8 h( a7 S# y. c: c2 |% c# r]5 v1 i j1 ]2 P9 }
( i' b& Y0 Y8 d+ ]7 f2 O9 e& v* Wturtles-own[
0 C% [$ V( @6 V1 R3 b3 atrade-record-all
# E0 n: Q1 U. U2 \$ x- P; w$ y;;a list of lists,由trade-record-one组成
8 l3 H; t0 G4 D% S2 etrade-record-one7 J( p* k( \9 g" a5 Q/ m7 s
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录, Q. `# S @# h( x& u3 h
) C: s$ }) j- z7 o6 n9 g% l;;[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]]
8 ]& z9 o) g( O; @' Atrade-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]
7 g% p( d+ V& C; ~4 n5 m; n5 Mcredibility-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
3 Q3 Y# ^8 S; m2 ?% Vneighbor-total
: G9 ]5 \+ l7 R: H;;记录该turtle的邻居节点的数目
4 y. E- ~; {- A6 V* @* \trade-time G& O4 }. l" j: l) F% Z( r7 V
;;当前发生交易的turtle的交易时间( w+ L" B. T N3 ~# C0 n
appraise-give
( ]# Y* ~6 j( Z0 j;;当前发生交易时给出的评价8 G$ J! e& b3 z0 `
appraise-receive
2 g n8 J2 [$ z0 F;;当前发生交易时收到的评价
- d% i% j8 k1 v, rappraise-time4 b" a4 M. Z6 {! x% v
;;当前发生交易时的评价时间
3 L E- T: p9 h" P) ~2 U# m6 Dlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉8 a, P/ P8 r. u7 W
trade-times-total
( m: T9 a1 c+ @; F- q;;与当前turtle的交易总次数9 s2 c8 I) F4 @& O
trade-money-total
& W2 R1 H& G8 J9 G0 Q) S;;与当前turtle的交易总金额
" e$ k* Q6 |) C- b6 M3 i0 z) {( llocal-reputation% I. t* B2 V2 C5 I
global-reputation1 p& q1 s: O; Q/ [
credibility
, i: q }% P" B$ G# L' N;;评价可信度,每次交易后都需要更新 R9 @, y) f7 i" D2 H L" L1 p# E
credibility-all
" T! Y0 B8 N3 {, g4 g6 T+ S;;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
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0 j# K' [8 d1 T3 P* o: Y& K7 V;;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
" `, z0 k! @6 E) S: R+ ^credibility-one& f% i4 y. g/ ?; ^
;;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
. N/ h( g9 G) B* M+ {3 {global-proportion
; F m. s0 h% l% O! @customer
- S5 i# U, S$ C# F3 @! icustomer-no
- ^! b; L; V0 b3 E6 h& _) qtrust-ok
( ~$ d. B _5 R$ T% E, K* R; ]0 itrade-record-one-len;;trade-record-one的长度
5 ]: }7 q- `" S]
7 W& H3 O+ n3 O8 L# \
8 `+ @, q+ k: U( S2 w5 p: ?;;setup procedure8 t; ?- N5 `7 P6 ? X' m6 N
# O, g4 p6 F; f( r O4 Vto setup
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8 L3 U( n$ W$ |7 N" vca' l1 U: n d* u1 C- S
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initialize-settings3 |( d- y3 I$ a6 `
* O0 o3 E4 [9 n2 ^crt people [setup-turtles]
7 F& F5 \8 @0 y3 Y& r" }' o1 v% F8 F2 g& o- I! w8 \0 H
reset-timer
+ H3 c( A3 c; F! x% R( x( N7 M2 e3 U: t {) c, f" e" x
poll-class, q9 w% h' [5 E# J1 d
! z+ k+ h7 d! P: r* d5 D4 B! ]
setup-plots. A1 J; r+ V& Y( r
! z2 w$ d$ f# [4 E, ~: i. Ldo-plots" U: b& o9 E) W' V* q
end
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0 {" R, b1 \ Qto initialize-settings
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set global-reputation-list []
6 x; E* u, P6 G; N4 j8 @/ H. ?! Z. C( b- y( r2 G `
set credibility-list n-values people [0.5]
* o9 U5 V [; }. `& [/ q4 k0 q. z' ?. v# U3 [9 {! p/ l& a+ T0 {8 ]
set honest-service 0: N z3 G, h V6 p0 |
5 v+ O3 l/ { Z
set unhonest-service 0
2 E& o7 M0 d$ U& w
5 l I1 s& q. W, i1 Xset oscillation 0
* J/ l' F3 e! }3 q8 h) i
. D, V1 p! C0 }9 p; u: dset rand-dynamic 08 `& m0 j# `7 N4 r# K& z; g
end3 b1 o# s. O* b4 D) \/ x9 g
7 L1 a' z4 a0 `. [
to setup-turtles
/ U5 D6 g# u2 L4 F/ Nset shape "person"
/ z2 }' S; A! k, C8 ]9 c Jsetxy random-xcor random-ycor {, S0 O/ @. d: i: f
set trade-record-one []' A( G/ g. u( @, {9 P$ H9 g" j
! `! w6 u6 F% L6 ?3 pset trade-record-all n-values people [(list (? + 1) 0 0)]
+ p3 s& N& }$ P$ U6 [
& c6 u3 f4 f4 }- E) S! d# ]set trade-record-current []
$ I, ]2 ?- r. i' k4 C. H# aset credibility-receive [], N& M' B2 K8 g n$ M
set local-reputation 0.5
, @- ?$ j* Y$ D" d+ d, X' B( v( Qset neighbor-total 0( v$ |+ P C: [, Q
set trade-times-total 06 Q, J& B! w& p$ n$ z0 q8 H
set trade-money-total 0( {' X0 M0 k' Y# T; U" v+ U( z
set customer nobody3 w$ m/ R( t3 s: {1 a
set credibility-all n-values people [creat-credibility]
& S( c9 r8 L" c, a4 Xset credibility n-values people [-1]; s9 H, f3 P2 B9 @7 \, W$ N. \
get-color
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end: K* [6 U5 Q0 |& \
. |1 K# ?$ s' I) z) o* [to-report creat-credibility6 _ Y0 Y5 a3 f8 H) ^. |+ y8 p
report n-values people [0.5]
6 C U& x- _2 M9 F6 y; nend
~8 Q7 c }: ]3 A# { Y
( }1 Y6 E' T$ j1 i C$ E, p. _to setup-plots- w+ m) B- g' Z2 e
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set xmax 30/ | |1 ]& {) R0 ?( S ?, m+ L7 `
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set ymax 1.0
. N+ o- }5 z" j2 [) {: s# S3 d- {. }, b- ~0 t
clear-all-plots) H% S, l4 z: b9 c: V# x0 X
+ a8 P) Y4 O5 |4 Y( b- G$ v3 g
setup-plot1
. a; A9 F0 m$ o: ], X2 U1 a; J: N. R! ?6 [
setup-plot2: ]% q+ u; i! `% T
0 C( S6 ?6 Q9 f. h( e$ Lsetup-plot37 S: u# S: s# O* w
end0 s( }6 d8 _8 b- \* Q" ^$ y0 S" w8 |
% b F! D; F2 v0 k" X& C, |;;run time procedures( ^# _. O7 F% ]( N4 x+ ^( }
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to go
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6 `, \( W. Z/ D' O+ v/ ?/ i9 I0 ?ask turtles [do-business]
0 j: g( c/ P7 J0 _. }& `end
4 X7 K" w' K# l( u) x
- l. K5 S+ L8 Uto do-business ; M, l0 l5 y' g9 c+ ^
. y! J, ]( J! E& a6 L1 X1 Q5 {% A2 \' k5 i( |+ r
rt random 360
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fd 11 ~& t; |- @& i8 m+ J) m
4 m( M/ Y, m0 G( p2 Sifelse(other turtles-here != nobody)[/ k& X v9 P7 O$ U
: z4 w, J1 b! ]: h3 k
set customer one-of other turtles-here
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;; set [customer] of customer myself
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6 u* }, _# q8 f* g; n0 {% cset [trade-record-one] of self item (([who] of customer) - 1)
5 t* ]) f4 h1 X% q[trade-record-all]of self
" j6 R8 [2 p5 A; v# {2 h;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self; l' e0 e) ?& `5 @/ T; G4 w @
8 i3 _# R) M1 x" u; j+ j) |* iset [trade-record-one] of customer item (([who] of self) - 1)
! T) w; m# E" T3 L0 p. Z[trade-record-all]of customer5 @" _5 C0 z* H. G
3 P7 K2 z2 Y* m- m2 M
set [trade-record-one-len] of self length [trade-record-one] of self
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; k! z( S; k( v& O5 {. n6 A1 G: Qset trade-record-current( list (timer) (random money-upper-limit))% l4 M* I! E/ [& V$ u% w! j6 A# z
4 Y6 P. Q& S: P& u+ {* e5 s. pask self [do-trust]4 Z3 |9 c% d, j0 z$ F2 y
;;先求i对j的信任度
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g; d; O; u1 s# n3 i3 y+ I! lif ([trust-ok] of self)% l! k5 L, y3 r! y
;;根据i对j的信任度来决定是否与j进行交易[8 @0 v* Q- g. b0 [! m
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself* d9 V5 _* C3 W6 P
0 p+ N7 c" b9 v+ k, |6 l# r+ P[
8 q/ M* @5 C) O6 }1 a: w) y/ Z6 D& e5 C' J
do-trade' [4 o) L) Y3 M8 a
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update-credibility-ijl
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update-credibility-list
" l7 t$ T V; z5 E0 a. J& ? z; g# C: ^% b
8 u# R5 k7 Z: Y& F: q/ Gupdate-global-reputation-list0 ]) A9 ^5 Z2 H7 B8 E
* M6 \( |# [, l0 I, |* R0 ppoll-class9 {/ y% [5 f" X
- B7 _3 \: c3 P$ Q# P! P) D/ l, A
get-color) F4 z" D" L0 ~, R+ K
/ q+ J8 T: M2 s' K8 u]]3 n' s( q: f) L; g% L
% `1 H+ c- m$ O- G1 h;;如果所得的信任度满足条件,则进行交易0 c0 T' h' L/ D
% ^0 b# X- f2 w0 G1 G T[6 D7 l! u7 s4 i, N5 D7 E s2 u# [
$ j# [0 I; ]; U7 L
rt random 360
$ j1 ^& ?/ Q: @+ b* l6 D
/ Y+ R2 b0 {4 `4 t) o6 zfd 1
- H" ^; v; {' ?7 u& [
/ b$ v N5 U! t8 D2 k7 s]
" S4 r6 y8 R4 X' o. M& k
# k5 A+ ?# Z& z! l# i R8 m7 ~end
* }( V! f, v j3 d; I* e
, F+ ^/ w6 T% }: G9 i/ Z3 Eto do-trust % v3 `! X/ |+ l7 L$ a
set trust-ok False
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9 N$ \; I; Q3 L( H6 j% z" b" O- `" a" q( y }
let max-trade-times 0- i8 E* d, J% U {$ C' Q
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
/ F: w* J. D% O9 L. wlet max-trade-money 0
4 P3 U- z& `4 Y: U3 ]0 D& Iforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
" @+ o3 J- O0 }# mlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))7 z3 i+ d& T( G3 W8 i9 n
' }) e5 O5 m2 A4 Z1 y" c, r1 Z8 ]' G! ?: {& f
get-global-proportion
% f+ K& q+ d' Tlet trust-value
6 h& Z& L& O6 l* x, }' dlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)' |9 e! h5 X; j+ d1 ]+ F
if(trust-value > trade-trust-value)7 I I1 P. U3 [9 C& t" S
[set trust-ok true]
' F B, J% q9 p& |$ Bend
v( b1 @" Q$ e( A
3 D y! L4 V7 w( zto get-global-proportion
" `. Z; _" ?( m# o0 Lifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)2 T/ \+ E0 j) H Y% ~% v
[set global-proportion 0]
0 d7 I( a% R) o5 Y: s P5 b[let i 04 {: Q2 K5 a. }5 z3 P W& L
let sum-money 0
* u+ T: d* z* l# \while[ i < people]
; ~2 M* Z* u) R: \[, }4 J( C+ I$ _, l( k1 J
if( length (item i4 K# E" H! Z/ b9 k, O$ k
[trade-record-all] of customer) > 3 )
% x8 h+ `" i; o[
- e3 L: _. K& _* w* hset sum-money (sum-money + item 2(item i [trade-record-all] of myself))! X |& I! B5 p$ `- l7 o# q
]% W. m% l$ w( {1 F3 \) h+ @, W4 u0 B3 x
]
: {4 E" H3 d; E# A$ e. ?" @! v! llet j 08 B3 m* P( ]! p7 ^6 u( q8 K3 Y
let note 06 B5 H% l. w. [! ]
while[ j < people]
9 |% {9 |% j4 J% N9 g% g[4 D) G6 M# t' t1 D1 m$ N/ S
if( length (item i
) }2 d% `$ `0 A8 g" R, Q3 e[trade-record-all] of customer) > 3 )# d J, V- p1 B( h
[
; d4 n( i$ |$ E1 ^ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)' g7 `% Y" ` {3 w7 ]
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]8 s, b' r; X" u/ @
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
- D" ~( b, \" T+ P3 p' f]
9 V6 X# a( j) N$ N) {. N0 u" b5 |]) R2 l6 j2 @8 g6 Y
set global-proportion note
7 c @% }1 W1 F- T]# L; L9 ?! h8 N5 b
end8 d. V6 s+ p( _' W0 \% Y
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to do-trade' N8 E2 _. N% Z9 @* w: w7 l
;;这个过程实际上是给双方作出评价的过程
5 z% R8 |6 s @set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
" X0 k) K; Q; ^4 _. sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价* r. |0 R( ?, T% \$ H9 K) q o
set trade-record-current lput(timer) trade-record-current
. O- i1 w$ v7 S% I& p1 r;;评价时间( O7 G/ z, _/ t! F
ask myself [
* }; \5 b( t& c) C! n& Y( U1 `update-local-reputation2 A) _3 h( O2 L/ f/ v+ s
set trade-record-current lput([local-reputation] of myself) trade-record-current: y& V0 \3 B( u# w
]6 V! B- f% M! q6 O4 m
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 b: R5 d* k1 X) O5 Y! e
;;将此次交易的记录加入到trade-record-one中
2 C4 y) K4 G& [) qset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself) b4 Y8 S: g; t8 D, ~% s+ f
let note (item 2 trade-record-current )0 G9 a5 f' q2 x
set trade-record-current
# X( F F* j8 n- D3 q(replace-item 2 trade-record-current (item 3 trade-record-current))
0 B" @2 L( @/ w; pset trade-record-current
; E: I) j/ p9 y; t$ V* ]' t(replace-item 3 trade-record-current note)# `" d- V& H+ l
" }$ r x6 n- C4 O' B6 L9 p
9 F7 y0 o4 J) p( ^1 ^1 l$ Rask customer [
4 K/ l Q! c$ U6 |0 V; [5 yupdate-local-reputation& N2 Q/ k3 [& T, C
set trade-record-current
) r8 R. g7 H* v(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
6 d- Y4 _( V% a# v3 Z( }]! n; [- `7 u( B+ k; _) b9 v
: U% E5 J; [- K3 ^% M: a" v& u7 q# x7 N; C" W( c
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
0 A; M" w8 k. x, x; k/ z
$ V- V& x+ L# iset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 F: C, a) Q6 o% ~: ?
;;将此次交易的记录加入到customer的trade-record-all中" W) N5 a+ ]7 {
end( p ~8 C- G) [5 }7 T8 R" I
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to update-local-reputation
E# p8 H$ l8 k. l2 tset [trade-record-one-len] of myself length [trade-record-one] of myself- j6 R9 L+ C3 w: v
2 I0 A# `) Q% L% _# M/ P9 @6 m8 s4 U2 j' v/ F; N' a7 O B* q" K- _
;;if [trade-record-one-len] of myself > 3
9 E9 Z1 |7 u' p5 s6 Tupdate-neighbor-total
; Q3 F& ]! ~/ U- n7 L;;更新邻居节点的数目,在此进行3 ~ X* p! _; h6 U# S
let i 3
y$ y: `! u" l- K$ ^6 `let sum-time 0
: I+ K2 X: G. Y: twhile[i < [trade-record-one-len] of myself]
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set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
- K# g( _% |: [( R; y- B$ lset i
: u! v6 X9 \$ B9 Z( i + 1)
& G5 p7 R: b. I5 F( J; F]/ L( G+ |/ O0 |! e, U. f- N
let j 3
' u( s; k& ^; |& Ylet sum-money 0$ N0 N) @: Y6 @- V: a
while[j < [trade-record-one-len] of myself]* i9 m- J$ X- ?/ N4 H4 W m% u
[" W$ v4 ~5 s* C: a8 `+ }
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)
5 h) C1 s n8 y% ?* C, e/ Cset j; a. s) |2 O: U$ p% R! s3 I8 p
( j + 1)/ g- y8 o5 N6 M Z! ~" g) s
]$ X* P: ?& a. a; Z+ x% ~# B2 e
let k 3
0 b- o& L' v8 h/ q) ilet power 03 I( Q8 I: W$ U9 z4 o. t
let local 0; V' i7 D6 t) P0 v8 B, e
while [k <[trade-record-one-len] of myself]
) {: v7 V6 _8 \2 X[
; p' s5 W( u3 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)
2 p% v y; z S, _- dset k (k + 1): @& _9 y+ ]3 X5 S* c) a4 P
]
8 P1 p% |& }6 H, lset [local-reputation] of myself (local)
" V8 Q* Z7 D$ U- Aend' k% _ }0 G8 \( W& F. n
: t* v& ~0 L( z) {
to update-neighbor-total* n+ I- e/ b r9 U# q6 T1 @
. |: x7 j! ], C, a- p3 j
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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& y1 W6 P' L* ?
end
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to update-credibility-ijl
3 [* Q2 M) d! { P# D' [+ {) e& k- n8 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。
* j$ p0 i; q" B* S# Qlet l 0* Q9 L, }% ~: a1 X5 h; O) [
while[ l < people ]9 R. Y7 u: m0 U/ M
;;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" U! m8 Q4 o* w5 ^6 e. }
[* M9 b) D" D: F# ~! E
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)' W3 X" O% a( } `4 ?+ D
if (trade-record-one-j-l-len > 3)
5 X, p, i" _: j3 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; O" `: U# q4 R, X$ f& W" W4 Q
let i 32 B3 J9 \. A- @! C
let sum-time 0, h3 M1 q! C- M- C
while[i < trade-record-one-len]2 P2 c9 y* ]/ z
[
, ]0 M# Z+ h! }* ^set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )$ ~7 T* q' G1 R$ O6 P. E+ S
set i# s) E' I* j8 T
( i + 1)
% q: E/ ]' T1 c0 K' u]
/ f& D2 A2 G4 U, d/ L: Z5 A& q) r4 Klet credibility-i-j-l 0/ z, k" ?. W, N: E0 I
;;i评价(j对jl的评价)
# h+ V- B5 ]1 {% N2 tlet j 3
7 b/ ]% z- U1 ?& y1 \let k 4
5 c$ L$ w8 c+ z Ewhile[j < trade-record-one-len]/ f" ?- g/ ]; C* y
[. V! z* f$ b# R5 j V, Y) X
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5 ~' I( D5 L' `2 Q2 }
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)* O/ Y# v H( r7 ~/ Y
set j
! ?/ ] ]# M) G, f, d. x" T1 Q( j + 1)+ t f: T' p. J
]# k8 B/ O0 ^) j# L8 ?+ r; K8 S" p
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 ))$ j. W3 I" P: v: E; P0 _
8 J5 G' n% g9 }) ~, Y
+ C4 y4 z: K0 Tlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))% p+ ~7 G o& \( `9 l& N0 c2 w
;;及时更新i对l的评价质量的评价
# E. Z+ A' F% S) \( b: iset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]- ]0 \2 S& e) O. L3 \+ b- S) d
set l (l + 1)
2 v; y4 _& s: J1 J4 `]
6 m9 O" `3 k0 @end; T3 t0 l# ~5 s% I
2 E5 g/ M1 n6 H8 |to update-credibility-list
& ]7 R2 g7 `7 ^+ }8 b7 k8 _" I* Jlet i 0
- Y2 |$ `0 n0 J5 o+ `, A6 \8 Twhile[i < people]
0 T' ^* H5 |+ [0 s; y$ _# }[
. s) s# q3 w. x3 G8 B6 ]+ Jlet j 0% ]: V* g1 H& W* X
let note 0: T. {! R; S6 L
let k 0+ Z5 k: E3 E# P
;;计作出过评价的邻居节点的数目! ~ ^ b2 e* I7 W7 v+ v1 M
while[j < people]5 W6 A$ n; Q/ C# A# A
[5 _- `; Y4 e+ d
if (item j( [credibility] of turtle (i + 1)) != -1)
1 Z7 Z2 l3 e, h6 f1 q* p;;判断是否给本turtle的评价质量做出过评价的节点
- V. Z( e' Z# c* I6 W4 B[set note (note + item j ([credibility]of turtle (i + 1)))
) ], S' @' d$ P, H0 G+ e8 @& f9 {- p;;*(exp (-(people - 2)))/(people - 2))]; q& ]: E' }* N6 u/ Y
set k (k + 1)
! \& c, a I4 \! S3 H* b; Z& v' e]% e3 d3 ]' a$ O! K1 t
set j (j + 1)
M& O: {/ x2 r% i4 g]
6 s2 }; w2 m7 s$ Z# C' _. fset note (note *(exp (- (1 / k)))/ k)3 B# t0 }2 N+ a- D
set credibility-list (replace-item i credibility-list note); M% u% b5 t u' [
set i (i + 1)
$ P0 r" w1 W# m6 k4 |6 W]
$ K1 s. S$ Z9 ^" a) \2 h( |end9 X# ^& F& o$ h' L* k
$ P' Q9 m- C- @ m, r3 @2 K
to update-global-reputation-list
/ u7 }% Q9 a; G \3 V" llet j 0
. K: A- G3 y- ^while[j < people]
: M9 h. x7 O3 h, N& q' e( F[% y/ m, H- O) d4 f3 S Q
let new 0
( z E; R2 P$ ?3 w: V7 R;;暂存新的一个全局声誉+ d6 h0 I/ B, Q- s# A
let i 0; {( B# z- ^5 j, @1 B+ `
let sum-money 0
3 \( G: Z. [) s4 Q8 R$ ?, nlet credibility-money 0
; F. w" j4 p* ]: _/ Qwhile [i < people] @3 B( s$ p, X
[
# d2 ]/ E2 C ~0 C; S+ u9 V1 lset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))) t1 L* ]' b$ f% s3 p9 R
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
" X8 B! Q: c+ Lset i (i + 1)
7 r- \2 y; p$ o! y8 F]
- c6 t; L% \ ^) ?let k 0
( d5 o5 S! G( Q) Z3 s% _let new1 0
# ^7 `7 R+ g: n5 fwhile [k < people]$ k4 N0 O/ k0 K% j/ u1 f: h0 _
[
8 @3 _* y0 ~: ~: A/ |7 @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)
8 n8 f8 o4 n$ cset k (k + 1)0 @! `0 _( [( b5 U; H- b
]
0 l+ S# w/ M3 o$ B$ ~$ L! N/ {7 uset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
3 E; e* V) C. A0 J. \set global-reputation-list (replace-item j global-reputation-list new); U' E2 H. t7 [: Q5 j# ^: Z9 i
set j (j + 1)
6 M0 Y7 K8 N0 l8 s* K* Z8 v]
- R! n9 k+ ?4 ?2 Send
+ a6 W+ Z) c! c3 K
0 H* Y. L. A4 Q: U a) _6 n
. l" F- F5 h5 K+ _% ?2 {$ T9 y2 [0 q' |* w3 Y5 N" ~/ i( f; N
to get-color
8 }( p( s4 W/ y f8 ]) U
, F5 [9 K% m H' v2 Q- kset color blue
- q, l; C x9 s# O% ~end- P6 `, ?8 y; r6 N2 X( z$ _& M
6 {6 Z' P* X9 Q; Xto poll-class
: |1 P" T/ ^( n D( W1 V" ^6 |- q+ ]end
- E4 U" S$ W _7 ]4 [6 A' ]
: R0 s2 S0 r# o/ M M* h. Mto setup-plot1* ?& l8 p* x6 P
& [6 P! A1 s, U2 Fset-current-plot "Trends-of-Local-reputation"7 D* X2 f) M% L( U7 q" R' J
- S2 g: U1 z6 d4 U. aset-plot-x-range 0 xmax6 I5 u y0 Z. S; |# f& Z. L
7 m1 K" g% J) ^0 I. I+ bset-plot-y-range 0.0 ymax
! L, g% n! g# ]% rend
; S+ @5 H$ C' _4 X/ J9 B) `5 e
- \7 y9 v' Y, e- m* dto setup-plot2' b1 o7 Z0 {0 G7 Y# i6 K$ [
8 p: _5 P0 b( }) J' `: H3 V- Xset-current-plot "Trends-of-global-reputation"
6 J, q# }' I& u$ [0 w& X7 L: [) s8 D0 f3 _+ L; K4 j2 q( ^ G
set-plot-x-range 0 xmax
, ~9 k# \; ?) J4 o8 `: @7 ?6 S7 V# J
set-plot-y-range 0.0 ymax
1 Z8 l' l( I" Q C( vend" e& Q/ u3 [- `" E+ W( j$ ~, y
, i+ L8 p" P2 z( _
to setup-plot3! u4 C4 j9 d, D f! [
+ M ~7 a. `0 u( V! H
set-current-plot "Trends-of-credibility"
, V' W$ X* V$ z5 X* T. k7 V, U
; ~7 \. ^( X+ |9 P& y) a1 \set-plot-x-range 0 xmax6 U8 M \# K/ i( B1 R" [! U4 o
8 R% r9 p' k# ~" c" j+ E X9 Wset-plot-y-range 0.0 ymax1 K& [: R C2 r% ?4 g' A
end
1 `8 G- n. Y5 }
) q/ f) C1 I7 E! `, gto do-plots g0 ?/ z( K% g
set-current-plot "Trends-of-Local-reputation"' c# z- n) c# w* P# B- {- {& U
set-current-plot-pen "Honest service"
: x C7 u3 \4 X! e; U. J2 ]end' x3 ]0 v0 z# J- [
: n& w9 L1 a9 }( Q4 ]
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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