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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
, {8 p9 k6 u& g6 z4 Zglobals[
; V! Y. Y2 t0 o1 ]xmax
' k! l% n, F+ v$ o- y# K1 b4 rymax
- t$ a; x. p& I# z/ @global-reputation-list
5 ~' V9 q( ^+ ^7 c* R& H* T3 Z/ ]/ Q" O' F) E( H$ {
;;每一个turtle的全局声誉都存在此LIST中) u/ ~$ r j# h% V5 G
credibility-list1 @+ k; a$ R$ g3 B' h
;;每一个turtle的评价可信度
( Z- S+ s+ p0 F& Q3 e* z2 N- Ahonest-service0 K9 e ~6 i/ {
unhonest-service
2 _0 o3 J# o7 ]( eoscillation
' L" e5 P/ M G: y Mrand-dynamic
" W) n8 h t0 o% z/ m9 a]3 X0 R; x; T4 A% l
9 ~! g3 F4 T3 a6 f- |- N$ C
turtles-own[! k; R$ a; D# H6 A5 C A$ O* D% O
trade-record-all
; p, M& i- }# D( r# n* ^! ^" e;;a list of lists,由trade-record-one组成" N* l8 a! S0 l. ^& K
trade-record-one
g, o. e8 K9 G3 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# Z0 e' d, z$ P1 f& \
! W7 A5 {& v5 R; E8 T;;[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/ D5 H, }, Y$ N+ g* Z% }% N; J
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]& ]8 x$ y$ z% o9 N# c9 J1 c7 B
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
) l ?! g1 a; b! A3 Nneighbor-total
4 T! ?# _% t8 i2 a; f;;记录该turtle的邻居节点的数目! q1 g. m/ T2 T/ e
trade-time
- w7 {' L4 {/ d6 q I7 d6 V. K ?;;当前发生交易的turtle的交易时间1 \% T, _5 N0 R& O' i9 _
appraise-give
1 D" y( @! e* \+ Z;;当前发生交易时给出的评价* ]5 m/ B( V* `7 f' B
appraise-receive. e1 i' {$ j. ?% m2 @+ i
;;当前发生交易时收到的评价
8 \8 y3 b) t( _7 s* C, l. R) }6 uappraise-time# x0 ^( T0 Q' A
;;当前发生交易时的评价时间 v) x. x0 k% u8 A6 U
local-reputation-now;;此次交易后相对于对方turtle的局部声誉* x8 l& g/ N% F; d; |. N
trade-times-total' o4 ^, b% h1 B0 o
;;与当前turtle的交易总次数
+ ^7 _2 Q! o( A3 f6 S9 Mtrade-money-total6 A) ]6 V; Z2 N) H, I1 j* b
;;与当前turtle的交易总金额
) f5 ?2 _/ j% l* X! }) p1 r$ hlocal-reputation
+ { }+ _: W- R( C: k/ S8 {1 mglobal-reputation9 X6 Z, ~, f5 w3 z0 d
credibility0 A- ~$ q5 F1 Z" ]+ b
;;评价可信度,每次交易后都需要更新
2 X" n4 N+ {$ L+ b( T( F) D+ fcredibility-all- A' y7 D5 [( b1 W
;;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
- K3 F5 h( n0 @9 M+ j( R( e, S; r+ i9 q' H2 T+ n# D, y
;;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0.58 c5 e$ H7 a: C" Y
credibility-one
/ C% w* n. u3 p. @* {- E;;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 f' _( N" T) [
global-proportion$ ~* d+ x2 p- t- r, [, S/ Y
customer0 g+ o1 L" Z& {1 E
customer-no1 f+ _/ i- k3 w. a! U9 i
trust-ok
! v" H" ]! j+ E! Rtrade-record-one-len;;trade-record-one的长度6 [( s6 g% B4 t" C
]
( W' U0 a, W T& |, v
6 c* c7 {2 [' U6 V# U( C;;setup procedure
) Z6 t2 m+ D/ [
% e& q& @$ G4 S+ Q6 E4 lto setup& W# G' [* k1 n9 p% O
$ \, Q* ~4 f5 p5 i8 M
ca' `4 x/ x% l. y9 o% n
& X j3 Z! V+ Y" z8 D
initialize-settings0 \! {9 x7 Q/ q3 [. L- ~
% S2 U2 i" e h2 P
crt people [setup-turtles]
~, K. O% L3 L) p/ ^
' g; P* j- W c% {- j3 O& B! Ereset-timer1 | @2 j7 p! a. g8 z
& l/ |, `2 l4 I0 [/ G; \
poll-class4 E3 ]9 X6 Y4 b; p7 E# H6 ?1 p
C6 f7 R, [1 I9 q5 Y0 Q' J% csetup-plots) @" N' a. e6 Q: s0 E$ }
% Y9 a; }/ @# Q9 C
do-plots; x9 a% D4 V1 e6 I6 S! q
end
% E" n5 b" a8 n0 I
1 z3 ~- Q% P- n0 h6 N5 x4 jto initialize-settings& H. J' i8 q9 v, I' H8 D5 K
$ D3 C$ r e+ o M6 L: q+ y& ? Aset global-reputation-list []
7 G& n; K* `; B8 n. R- D* ]7 P7 Z: v! q/ R" ?
set credibility-list n-values people [0.5]
) L& M: |0 m& h
6 F4 }2 S" y, n# G+ ^5 }/ ^1 Zset honest-service 0
. W; Q" A- n! F5 L9 G" ]
, U4 Y1 H. h1 i& Wset unhonest-service 0
# D& F: ?- {0 K8 d! i: ]
- n3 D$ e$ u5 z/ qset oscillation 0
) O _& ]0 Y# a7 d8 `
5 m* f3 w' i& ~5 ]9 q' oset rand-dynamic 0
' k+ H+ }+ Q: c( o) m# q; O7 Pend
- G/ T: q; @" {! M# j( U+ T
, a+ J/ q! ~% f9 Jto setup-turtles
8 C$ \8 J6 [ L4 ?3 T! Gset shape "person"
- g, ^: E0 x8 u% y" Hsetxy random-xcor random-ycor6 x6 B) A2 k: R
set trade-record-one []
$ d; G5 |, ^2 Q. d" W1 k% ^" g) P4 j9 Q5 y
set trade-record-all n-values people [(list (? + 1) 0 0)] 7 Q Z2 q3 y8 m
: m; P9 E1 V2 g. }2 |# Kset trade-record-current []- q: K, e. N- w6 g7 \
set credibility-receive []# U8 N' B- A" X5 l( U2 O7 h' Z r
set local-reputation 0.5
6 n; m: s' X* ?9 Tset neighbor-total 0' _) _- ]& K3 c% B
set trade-times-total 0' i$ B1 g% {+ _' v+ f e5 I
set trade-money-total 0
' y T, |3 q. H1 N% @ S2 ~set customer nobody0 L; g$ ~; S6 S7 `! L
set credibility-all n-values people [creat-credibility]
Y8 I7 @& Z2 H7 z8 hset credibility n-values people [-1]+ f3 K9 H) U e
get-color
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6 K0 W/ X! N5 \$ Uend. Q4 ]* R9 ]) w, d; b
, Y4 ~0 s) c% V6 k4 P. W# \to-report creat-credibility2 `; X; p# o7 N6 n- A
report n-values people [0.5]
4 I/ D2 Y3 l* Iend: ^! r( e/ ~. F* M) _* ^
: n( Z+ W8 j9 a6 K' e
to setup-plots
& N' {5 Y* |% H" h9 @
- z4 a' E* B. J+ Z ] }set xmax 30$ ?' N0 D0 X6 |" Y
" r M! x) k+ s1 T8 S. b1 a; x& z
set ymax 1.0, j) c8 s0 ~4 w1 q+ p7 i4 {
$ [5 m, E7 M# o4 @, q% i& xclear-all-plots
+ j% ] ^8 L0 x' ^5 p l: n ?: H: X
setup-plot1
% e% b2 @; Y* z" {" U
- g4 C6 o" J8 y# rsetup-plot27 W. m; E/ [# o3 j
9 |' w$ W0 I% T# {+ I) }$ c
setup-plot3$ j, H1 b L' K& R; ?5 D1 |$ y1 {
end
: w; P- Z4 @+ _! x5 h2 @: k- o9 Y8 d. f8 w- V7 y% g" ]! }3 O
;;run time procedures
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to go
( p; i7 j, v0 \, X! `# x0 [0 u! v1 F8 l0 Y
ask turtles [do-business]
7 e# ]8 t+ R& x9 p! send
9 t% O0 e: Y7 @1 M7 a" q* K- d. g
3 P5 k. h- ^$ h9 {( O, N( m# Oto do-business 3 \! s8 Y3 t$ w
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1 i) S2 X- X" `( J: C& D6 Z- Ort random 3600 P( s9 m; _1 [+ w
h' R$ ^1 Y# q j' B
fd 14 d7 F7 D3 i" l1 h9 G# r
4 v4 y6 e2 B4 T. z. K2 L( Lifelse(other turtles-here != nobody)[7 k9 A( @+ R9 h$ W5 Q# U4 Q1 s2 m/ }
5 E6 F0 E% y ]( ` j8 ?set customer one-of other turtles-here
2 `; J! w) h- T! p5 O1 J; J
6 i/ v! [: _4 o# G, I- C& Y;; set [customer] of customer myself
! H2 B, j, V& P; e6 z: t& e2 p
3 M/ u" G- c* S- a/ Q' vset [trade-record-one] of self item (([who] of customer) - 1)7 l3 O/ j/ b: [
[trade-record-all]of self
4 m( C, w6 S, P0 \: Q. m. [$ @0 C;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 P6 q, W+ D; i4 R9 W( h% J4 _
6 ]0 Y7 T7 ~% {' i
set [trade-record-one] of customer item (([who] of self) - 1)
2 p) @+ U4 R' Q[trade-record-all]of customer% S: L2 ?" V: X2 h- ^. g. T
! r+ @. x" S1 ~
set [trade-record-one-len] of self length [trade-record-one] of self# l u" F+ J/ g5 _# [
) O U" f4 w: a: Cset trade-record-current( list (timer) (random money-upper-limit))* f# z [0 L8 P& s. t$ b
9 G+ c7 P+ d2 M0 G9 S+ r2 [
ask self [do-trust]
& Q1 R. h S$ u;;先求i对j的信任度7 l0 r F: M0 S' D, @/ X0 \
0 `$ c9 m" [4 F- e$ p1 `: _
if ([trust-ok] of self), X: F: `1 e4 g( t" w
;;根据i对j的信任度来决定是否与j进行交易[
# l# o( r7 S0 d) Task customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
/ a4 i+ N/ T' z# x, R& U) `# j; N6 ~
[
. k6 \6 @# n V) v' \3 g7 K
2 K/ e; Y2 r/ a e; B" e" _* sdo-trade
7 Z- M' S6 b' N& P* f$ L. W# [; @4 x/ Z% R! l( E
update-credibility-ijl/ f/ i$ \! \. l; n- R" |
- ?, n( ^6 X _2 Y
update-credibility-list
) ]6 U `; E9 ~2 ~: z e1 _* H
/ T: z) C0 V, u, f }/ C/ P0 g5 \" H/ b4 Q( o
update-global-reputation-list0 e. w4 {! T% o' \' K8 Y
* J7 G& W% L* q% Y
poll-class
3 b; \: {0 W& e# [& u- c% \0 }* J0 @' R$ @
get-color
9 y& F7 l0 }8 N( c+ O6 e
1 q1 P8 K& u# b9 M, l: s. e& K]]0 v' z, S. S, f0 m+ |$ y
% C+ f* |2 g. ~4 i: j# V;;如果所得的信任度满足条件,则进行交易
( t/ z# n( ~; M( |7 t# V6 O% B6 W* O! b
[9 s. t2 M* F' K4 o" S5 E8 |4 e
6 R$ q) d" H/ ~+ i- b4 O4 Z
rt random 360+ Z. F. B! E% l5 |. N& H+ Q
" a* ~) k6 o0 j w6 b; c3 I- Z
fd 1
: \% V/ u! A$ f x: X% w! C; m" \: K4 }5 O& S6 g7 D
]2 M: y" t- S: z" P2 O
/ {4 w+ I/ M2 |4 U9 H' y8 j
end
8 s! \6 Z1 N+ U+ F4 ~9 Q! d6 T1 Q# g3 A$ c) P. \7 M
to do-trust
$ @4 ~! l# j/ F; Wset trust-ok False
2 T$ z$ W7 \7 w
1 U2 |- `. U5 N; n
1 u# R% Z8 w8 xlet max-trade-times 0$ ^3 w, O4 V/ M: \8 T" f
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]( z* X6 y3 m' b+ T: G3 M
let max-trade-money 0; E! a" g1 E( T; F
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]% S; a' X; a3 h' z m
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))' u8 @% s% X3 B
8 j4 f1 C; B& _; a$ Y( k0 J8 W. \! D7 \5 D
get-global-proportion K A" T0 x' f5 H
let trust-value
0 X" U8 [$ x9 P Q* j& ilocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list): ]) `- Y8 U# D2 J. z
if(trust-value > trade-trust-value)
! H7 w1 s4 \1 f& {! R[set trust-ok true]$ I! R$ H$ f3 H' L+ k I+ q
end
: G) c; Z) O7 l2 U8 z* Y; N
! b! o4 O; Q5 pto get-global-proportion
@; e7 J! E; v: [. q, u5 `; Q3 Mifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
9 C' a" ~ D# I[set global-proportion 0]
5 \. p, v0 ?) x9 V6 i[let i 0( u; \0 g+ X3 Y
let sum-money 0
- i1 @5 A# x+ C( t) Fwhile[ i < people]
) ?" y% h9 |# U c, J[
$ D# ^( d& Z: n9 ? Y) ]6 Z$ Y+ \if( length (item i b7 z2 b+ U1 c1 w) M9 Q
[trade-record-all] of customer) > 3 )2 M& z: }0 F( ?4 H7 d& n
[) |# _* |; B1 F& T; t, V
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))9 E+ f% U# C; f1 D) {
]
( V2 Y9 `) [( l, d3 q]3 S: c) s$ h2 Z# ~
let j 0
4 {; a7 p* `6 G; e" n. L8 G, `% Blet note 06 I+ B. H R+ z/ Y$ P, s0 U" B
while[ j < people]
4 L7 f( m+ W6 H[
9 f0 |( t9 ]: pif( length (item i
/ Q9 `6 S$ D& F. q[trade-record-all] of customer) > 3 )
5 u$ V& T( d+ |0 h' @ N[# X2 ?9 A: F" F6 G
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)$ e) t0 l0 |% x' S* G
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]1 t2 m5 Q" X- a2 v) C2 H- L6 Q* @# V. ]( c
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]5 a3 U0 T* Q. G; g% R! p7 O
]
8 I$ `0 r8 Y/ j" J# [5 P]( }4 O4 |( `5 C
set global-proportion note
6 o4 `; E0 a) F; ]/ P" w]2 ~# M" t9 _$ P
end3 c6 H5 O* S, G
9 e: `! V4 |& s8 Lto do-trade" V+ `7 [: E& [. Q6 C2 k8 W; l
;;这个过程实际上是给双方作出评价的过程$ e+ V* z: t4 k. \; X1 K0 O- j" C
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价$ G4 m" n: K6 l0 Y+ X+ u ^, {6 r
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价1 o1 y' V& X+ v
set trade-record-current lput(timer) trade-record-current" Y4 u( f- A0 a; V$ j* e, H# |
;;评价时间
/ C" a0 m$ o5 y+ v/ S% a) \: t& wask myself [" }) u6 Z$ {) b# A6 o
update-local-reputation
/ A' h b# A2 V& [% Fset trade-record-current lput([local-reputation] of myself) trade-record-current: s& h& I/ H# z- T; T6 z
]3 {0 A( [7 B3 g
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 f$ R. b+ A" E( j
;;将此次交易的记录加入到trade-record-one中+ y3 k4 M. ?; V( m1 |
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
( A, K: b* M- ulet note (item 2 trade-record-current )# [3 ?9 o! u8 l6 J8 V
set trade-record-current; @; G; i# x8 r6 Y2 }- m
(replace-item 2 trade-record-current (item 3 trade-record-current))) N# d. C5 R" |
set trade-record-current! k& x i) P; p6 G# [0 r
(replace-item 3 trade-record-current note)
0 Z5 J" M* ~# N$ x7 W+ }0 ^+ Y1 C
0 U% T8 C# h) L+ i4 Gask customer [
" [2 y# H r$ }1 cupdate-local-reputation
8 F) f+ |+ Q5 Q3 G$ Y1 o: Oset trade-record-current! p% U) [9 p! B) Q0 t2 A& r+ @# a3 C Z
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) , G$ Q6 x' L/ e+ a/ X
]1 U; s: o P5 |9 d, y: i: v. O/ Y
+ E6 M0 J5 D; z! L( H+ s' Y3 B. S! }# i+ C4 _7 \
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
! F9 w) C1 D7 j% V$ K0 O$ i; r8 p- j7 E
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))1 s9 B3 ?0 ]# R% x
;;将此次交易的记录加入到customer的trade-record-all中 g8 o, W- g% M4 ?. p7 Q/ u
end) @! b; @3 j3 e* Q" S2 f' L0 c
& c9 ^% ~, k8 m: Y9 s" e) H
to update-local-reputation
7 X) e( h0 {- }1 G; \+ aset [trade-record-one-len] of myself length [trade-record-one] of myself4 p) A; q9 O6 J$ i2 V q' p
" _/ o# C y* I1 d" d* |
+ L0 X* `7 a7 S( z% d: R
;;if [trade-record-one-len] of myself > 3 0 s+ x7 i$ G6 d) `/ w* ~5 k1 y* l
update-neighbor-total
) ~* k" g2 s. F9 F K;;更新邻居节点的数目,在此进行
& n' ~5 G! G# ?* X% Ulet i 3
& G# q" W! M Y; `6 ~% Blet sum-time 0$ x2 q; S: w* W( d$ ]6 K
while[i < [trade-record-one-len] of myself]
" B6 \3 f7 s( `1 E7 m' r& _; m3 ?[9 X! u' A, |$ y
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
( h. }/ d5 v5 \/ X) O6 y0 J7 sset i
( f" W% f* q! Q' W u& a( i + 1)5 X6 r7 r/ k' }9 V/ d
]( V$ @ s; Z& M4 C
let j 3
# [+ t) x: }# Flet sum-money 0
, x7 K3 D0 a/ h& y( L' M: Hwhile[j < [trade-record-one-len] of myself]. U5 B' L* _2 a: }) [7 B
[
( _0 v4 A0 b5 e( Z" W3 S# F+ dset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)7 }" [) B+ ~; V# \
set j
7 k! ^' p/ j& _( j + 1)! O0 {9 B' {; D( P
]
. f& e7 P0 M( f4 W! B8 klet k 3. S& s: f7 ~- x
let power 0
, {/ H3 p y9 ^7 ?1 }1 f4 b; Elet local 04 o& K: w& W) l$ H/ q3 ~6 J
while [k <[trade-record-one-len] of myself]
* N0 V% k5 h/ l* w[
3 m* H2 c; t; R9 M! @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 v b6 c6 X' v4 a" {set k (k + 1)
3 m! v8 |6 p! Z( A2 y r8 ]]1 ?! ?/ g# i, @3 R: n" \
set [local-reputation] of myself (local)# e0 `, p+ n7 f' I
end8 ]0 G/ E: o0 |1 }8 K
; }) y3 Y# \; B3 L& X
to update-neighbor-total: f! E1 d! i4 f
) J8 J3 y2 m, r! }+ q! D8 i" L9 [if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
; c# @2 X% _9 _) a) Z& D* d, d1 Z" g; ~( |5 r% x
; Y3 Y: F, ]- z6 r8 Iend
) ~& K F- p. c% c2 I
% V8 t0 Q0 g! K/ U. P/ ^+ |* [to update-credibility-ijl
# \0 P3 s! x K; _- U3 ]' f+ N2 q( { n9 z/ z) s5 g4 ] R. k& y
;;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。
9 e7 {% f# Q- V6 `( g0 Tlet l 0' k& T3 p. w' ~
while[ l < people ]( h) {6 d1 u" |9 {2 G% U8 W
;;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
% i5 u. w! @) H2 Y[
& S% D1 q7 k- |5 ?2 k3 ]# qlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)# d- w" r& p J' R2 q* @+ R
if (trade-record-one-j-l-len > 3)% `' Y0 y/ P2 L! b$ O
[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-one7 y Y8 _$ F1 ^& X
let i 3& A) [+ t2 f; a2 `8 m" ~# N
let sum-time 0
, {/ `+ h# _0 \$ {# {while[i < trade-record-one-len]
1 d! H2 {4 w' L& E$ B! f[
& h0 I( W9 ]: R3 x) L7 O9 O/ @set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )( s) t4 g% s( T- { T
set i
/ G$ L8 |7 V {' L% F( i + 1)
4 t& C9 }6 O& m# D/ R' h]
0 i8 U9 u7 }, \let credibility-i-j-l 0
" l( V2 D" P& i9 `( i' e% l/ G. N;;i评价(j对jl的评价)
@( P& V2 ^( x" |* Q1 B5 T/ D( Nlet j 3' @/ f* B: v2 ]) b) z2 v+ ]
let k 4$ I( l% t# ?0 k- c
while[j < trade-record-one-len]
. Z* @$ S. {$ r+ h- ]0 h[
0 v7 t: X+ O4 T' |: U! Dwhile [((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
/ E/ F7 o+ q0 ]/ s4 Uset 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)
2 p0 A6 ?' K" r& o; |set j
* z; L1 A1 _2 n& p( j + 1)
6 s+ k1 K E% X- }]
: y2 w- n" P3 r; ?! |/ s/ `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 ))
( x0 H7 T& M$ m1 n/ y/ L6 V- g, I& m. s
) {4 S6 R5 z6 ?1 e6 H
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))9 h5 ~! L4 i8 M5 @3 @
;;及时更新i对l的评价质量的评价
& ?$ k% ?9 u$ i* Xset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
4 K% r2 x( n) ^$ k! S/ o8 Qset l (l + 1)6 I. G; X( k! y. z
]' F9 Y1 @% c# ], O. t) L. H
end3 P) l V3 g6 _; ]. J' v1 v9 j
( n- @2 W o& D8 {! ]
to update-credibility-list
~( j s' o3 T! q9 B* {let i 0
0 d0 m! H- \+ Y0 h) Awhile[i < people]
. L- {' J# j7 m[
: J1 l2 ~/ ]8 M9 B6 R3 Zlet j 0
, W& M2 _% h2 t/ K! p+ B5 xlet note 0. ?/ `8 U; `0 a( [' | X# ^- V) j
let k 0
* T% |, `* ]1 p# R' X;;计作出过评价的邻居节点的数目! c, z$ d$ h1 R' P' B, Z; M
while[j < people]( F9 {) t" F: ]- p* P0 t/ J: j+ q$ a
[
6 N2 `. N0 w6 N( ~& [8 R: R3 T& |if (item j( [credibility] of turtle (i + 1)) != -1)4 O5 E. f) f. Z/ a' M: e) W
;;判断是否给本turtle的评价质量做出过评价的节点
3 T6 M/ x4 [: Y8 W[set note (note + item j ([credibility]of turtle (i + 1)))
2 q" i# L& V: E; u) m;;*(exp (-(people - 2)))/(people - 2))]; A: W: U+ f4 u/ ]; _
set k (k + 1)" x- h: \5 p/ @9 w
]
# M/ d& _) x3 J& Dset j (j + 1)" z/ t. u0 h; D# }3 e
]2 ]2 K, F# W6 s; U. b5 l j* G* s
set note (note *(exp (- (1 / k)))/ k)/ O" D5 T- G" `6 C$ F0 w) h
set credibility-list (replace-item i credibility-list note)0 k5 H3 W7 l* W$ Q6 R* ~
set i (i + 1)* U- {5 F. `+ T& {/ V0 y* n0 x
]7 m, I6 j; j# C, R$ |! L, z- t6 W1 q
end
: c- p8 V) V3 R8 \ d# b0 W- S$ ?7 h# q6 j
to update-global-reputation-list
% s7 j2 `, I" |0 Q+ |: ^0 u/ Qlet j 0
3 A/ u3 l$ d" j% D0 ~while[j < people]5 h* i1 Q" ] K0 S
[; N% `. r8 p( g; s) S- z
let new 0' k- f3 ]4 _/ r, ^8 Z {
;;暂存新的一个全局声誉7 _# R: ]) h& E1 U6 f
let i 0( g. M- e- g: C
let sum-money 0
# w5 h8 K" J' Q' Z0 ]let credibility-money 0
, P" ]* A$ S+ U [2 F+ lwhile [i < people]0 [- I& b3 P# Q0 H0 ]
[
6 P ~( l- Z1 tset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))7 d2 r& V; ]# E# C
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)), e: o2 U# n8 Y5 w0 L& T! n w
set i (i + 1)
" j1 N7 y- v) W8 U9 S6 O]+ ~: [8 E' D7 s! }8 V0 s5 `2 l. E
let k 0
: Q" M& j3 L" ~+ z3 Mlet new1 0& c" r. c1 t9 E6 q+ f3 ^, y
while [k < people]0 {* s( F" Q1 I- ?
[% ?: e/ m+ B. X& G/ p! k
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)
% b/ O T1 @# G# @set k (k + 1)0 J$ |( }1 E1 ~1 e' r8 S" K
]
) E# Y1 }7 @+ B) a# ^# Yset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
- \/ x: d" F3 ]set global-reputation-list (replace-item j global-reputation-list new)
8 e6 a$ p7 [" m1 h( i! G3 c$ Fset j (j + 1)! s+ V. ~: L c* ~7 ?
], g& R/ {, v) Y; M( Z5 B0 h
end
5 {, C# a# _( x, s4 Q
' S K' I) c& U
+ K$ n: q( O/ S2 ~ L8 L- ]8 n5 W6 \% U- p5 n0 G* M
to get-color
# f* p* Y! R0 i P4 W2 O0 ]* x7 R- T/ Z& m
set color blue. P1 g/ t: u8 j# U
end
6 Y4 O2 ?+ @' i6 B% P
' X6 ~# X9 l/ o: F, s+ ?to poll-class9 ?: L) e* b0 \- ^
end- \- e2 R8 f2 O% {
0 Y# C8 c1 N6 W8 J5 Bto setup-plot1
' L1 p+ y9 p F) x7 o2 |
( b+ j& O- C& ]: J& y; Yset-current-plot "Trends-of-Local-reputation"1 {0 F4 M5 i* [& ~
/ ]$ h k1 ?: v9 p3 h) {, |% Dset-plot-x-range 0 xmax' q8 c3 W1 c% }" I6 t7 h
; [7 W$ f, a" j2 s
set-plot-y-range 0.0 ymax- D1 j' X/ E' Q }/ J
end
, K5 n$ l2 k0 c; J
. a, F: L# G6 ^0 [to setup-plot2 _; H7 z& B7 w" M' I8 N4 G
* b6 d: [4 o+ o, w7 l" R& Uset-current-plot "Trends-of-global-reputation"6 a( [9 b6 N4 ~1 x1 g9 D
! R. V6 e2 v. S: X, A$ \; lset-plot-x-range 0 xmax& A! @5 i, o0 x3 @, }- r8 g
8 K! N; w) i9 B) u, Q1 Yset-plot-y-range 0.0 ymax
5 w5 X3 w6 b& l- y1 u6 T8 vend
. w& k3 [2 h4 C. A* d" m% l7 `0 n8 C J: B# K$ O( @) K
to setup-plot33 n# r0 |: v: Q% J
& w5 B) i$ k; Z9 \8 p z
set-current-plot "Trends-of-credibility"
4 V! w2 b- p) ~, H- C* l
, E/ C( d7 {9 ?6 {! b- I" a: v6 K' `set-plot-x-range 0 xmax
+ P& S2 G9 g/ J2 Z8 V/ c5 s2 V6 S V N0 x4 v
set-plot-y-range 0.0 ymax4 M) ]/ T3 V+ p% q. ~) k
end
/ N8 F: @# M8 i! O k( L7 u; Q; y5 _; J: M4 {: Q/ E
to do-plots7 M0 p* g2 E+ m, x0 j3 w
set-current-plot "Trends-of-Local-reputation"* {/ h$ \( x1 d. g3 ?
set-current-plot-pen "Honest service". y8 \& s. ]- \9 ?4 j
end
; ~3 B. x% R, \. F. h# ] x! `+ } p. t1 }6 P9 b
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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