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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
( Z- V* x& d5 K% I0 Z0 eglobals[
3 y7 I* l+ T$ _& t: |2 Q! d1 Y* Pxmax
U" G6 a- `( g1 s/ C' cymax
8 j4 k. }% \( G0 H xglobal-reputation-list
; G$ ]' l+ L" k, o8 u$ T/ l* \- g7 n: \* h3 t" _3 h8 m: _- S
;;每一个turtle的全局声誉都存在此LIST中
( U: J$ \( k; p* N9 f8 Z' r/ d" wcredibility-list8 R3 T4 f* m. [8 Q
;;每一个turtle的评价可信度: }4 [9 o: o' v! ^" Q1 i! l
honest-service
, c( o% n7 v6 P2 ~4 I2 V6 T* ~unhonest-service
3 W2 Y7 r$ _+ {oscillation
( J& y8 `/ w# xrand-dynamic
! B) M/ }. X' t; _]8 X- o1 | ^( A9 W3 D$ v5 D& E
: T4 G& H6 k) E5 J# W% X' V, v$ j
turtles-own[
! e. P7 X, V' I0 O' d( p+ D( btrade-record-all! Q2 f" S8 |5 Y a) Y3 Q; Z+ j W0 X
;;a list of lists,由trade-record-one组成
! E0 C! y& i- O6 M4 k9 |& d. v9 Otrade-record-one, } L" |1 E# F' {. 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- J1 `+ K& J" S, n. H G
; D6 |4 r' p" c W& i! ~" L3 D$ G
;;[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]]: I4 ?6 j6 p3 p6 X( ?6 H9 D( o0 }
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]
3 U" ^" Q. G# }4 Q# A( W( gcredibility-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list8 ^0 y/ `% k# y# M
neighbor-total
2 F% G' I0 `1 ^* [;;记录该turtle的邻居节点的数目
5 f6 P# ]& G& r0 J) B# F) M2 I. ftrade-time p7 e1 ]5 U3 X" E
;;当前发生交易的turtle的交易时间0 t+ }9 \4 j8 X
appraise-give
& v: K; Z; d$ C* U5 x) \+ [9 B;;当前发生交易时给出的评价2 E9 ]" q+ C9 Q' G$ C
appraise-receive
3 z* \" f: d( k8 N3 ~! {& X;;当前发生交易时收到的评价: y- r: v- J6 {7 C3 [: T G
appraise-time
" j9 i. p; k. f3 V$ D% k8 L( p0 ~ G;;当前发生交易时的评价时间9 R n- e* e1 y$ M& A2 W2 e
local-reputation-now;;此次交易后相对于对方turtle的局部声誉! S, n7 d+ `) c1 a9 z' y
trade-times-total
9 v% L6 I6 K% V0 y5 Z8 c# p2 v;;与当前turtle的交易总次数7 e# L: J+ b) c6 T7 p, d
trade-money-total8 G$ ` u( K+ A% N0 r
;;与当前turtle的交易总金额
8 |: @) ?! e8 @2 @3 t7 [& ilocal-reputation @) k) K9 f& b9 v8 G2 M
global-reputation
. [0 C' u: i0 D) a" w5 i% d! N+ _credibility5 J3 r3 w& a' |+ Q4 q% [
;;评价可信度,每次交易后都需要更新2 |2 i% j6 g; o V
credibility-all
1 u" z2 B! K* i' n;;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
o G( A. v. X
- r. L( ^6 {8 X& m& o;;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% S* q8 w. z2 }1 g; f. R$ {credibility-one
+ ?2 Q. ^5 s/ x* K0 Y% 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
! {9 t. u1 U3 O4 X7 \$ u6 ^global-proportion
: r4 u3 Z7 ?* C4 R Y8 N6 Ocustomer
3 X: x+ |% _- Lcustomer-no
7 }" f6 v/ l1 L% l+ a4 Itrust-ok/ B* ~$ P& T |8 J( m% ?
trade-record-one-len;;trade-record-one的长度3 h' _& E6 H7 S, }' E# K
]% v5 |# w: e( r- ?
v" ]+ ~* l( v' f* m5 ?3 e
;;setup procedure
+ i( F& _4 o7 D. c3 k% S. A% M9 G" l( V# w$ U
to setup
3 m3 ~9 J, N5 f2 q+ G& m4 R1 H$ h: X2 L; Y9 c
ca1 d9 D- f: l( X. u9 m6 \/ m/ x
# t; ~: j% ~/ \2 e
initialize-settings
5 ?7 c" q& }, \) R* N2 y5 @2 u! H+ g% V; I
crt people [setup-turtles]; \1 H- s3 [* P* r5 X
5 G5 Z% J( p( `1 R1 ^6 L
reset-timer
0 O" V Q* D- g
1 ~8 Z9 e6 z; l `& v5 M, epoll-class) d; _- {1 v2 N% _+ F
' O- a$ S- R5 X# c" e7 Y1 p2 |
setup-plots
2 p7 o! S7 H& y7 j# Q5 @/ _" {- |7 e k8 A3 V. t. C$ F/ e
do-plots
6 ~: A8 d6 e0 h$ R8 p' K/ Yend
5 h4 `& t' w6 _* ?1 Y; U
! e) ]' D- @. W1 m8 Z; hto initialize-settings+ k& F7 I6 k9 b" H' E
; m' d6 m7 s( K2 m. N/ }set global-reputation-list []
9 |. h/ J+ D" ?
9 d9 {9 c3 M2 i4 ~, P7 n& p, aset credibility-list n-values people [0.5]$ S" V9 M4 g! b
. Y- u- V' s, ^) e% a4 O
set honest-service 0. C3 j" u5 h# g& w; k4 e
& V X ^3 `: J8 a
set unhonest-service 08 h- K1 d4 h1 T* E, g
5 A3 J: p. ^+ Aset oscillation 0. w* \+ a9 [7 |2 u. K! T
! _0 ^" [! ]6 ~( K; O Nset rand-dynamic 0
% q* ]: X* X" d$ Rend
/ a* I0 ]$ X" w3 i. Y! U( n/ z& D+ N Y) O' c7 F
to setup-turtles 9 e2 h- z3 C5 E' a
set shape "person"/ G9 ?9 ^& f+ V0 u) L% x8 B
setxy random-xcor random-ycor
Z. s& ]. Q" \set trade-record-one []- o9 S* f$ I# N) s9 a" o+ o% x; O
: l. ^4 M$ g* S1 f Q% r! i
set trade-record-all n-values people [(list (? + 1) 0 0)] $ q8 y3 ?/ U1 z8 t; k
) k+ s' m) r& R2 U+ q! @set trade-record-current []/ \ Q7 r; i3 K; V1 T4 B3 ?
set credibility-receive []0 {! b5 Q, X D7 c8 C* M. j9 C
set local-reputation 0.54 S- O/ n- b( A6 ~0 u: S7 b
set neighbor-total 00 k! L' A/ F" P, m: [
set trade-times-total 0/ |6 Z6 y% }, g$ Q
set trade-money-total 01 [; t5 d" s+ x; w
set customer nobody
J. @) @' ~, x k# C7 }9 G" oset credibility-all n-values people [creat-credibility] x9 y) [% y7 \7 O
set credibility n-values people [-1]* P1 W) \1 O) K, t8 n: H, r- G' z
get-color; t' F: y) p, _7 P
0 H- h/ Z$ _2 x8 z7 [" A7 F5 Mend$ n5 {1 C7 l4 Y- \* Z
2 Q% H9 s- ^5 g& h0 _ ito-report creat-credibility
7 w$ y2 N( x0 l$ e- t4 mreport n-values people [0.5]
- D: ]) \: m f+ jend
; u- H; _" h9 \6 q0 W0 b+ J; ^7 g- P! S- \; b
to setup-plots' P, M8 c) u* P" H+ M( D& L2 d
0 z6 {8 P; z g" tset xmax 30
' H: X9 n$ m& w6 x3 r) c/ [. h6 B: u9 q( M0 V1 z: W; v U! g, a
set ymax 1.0
4 l9 }0 a0 D1 j9 w( [% f7 S% Q5 |7 H& ~
clear-all-plots
+ U! z: C; _5 W8 q: B7 f4 k ^9 b# X' t9 l4 s4 ~' {
setup-plot1
; m) J/ a% b' Y2 Q+ M) |0 h% {# J
! X) \! @/ ]3 Q+ O4 a- osetup-plot26 d4 i$ f9 b* W8 g0 P5 ^ z) ~
& L+ g9 \4 e2 \& z" O- U( Isetup-plot3, J' z6 ]9 M& R* F. @
end
- g0 H, H9 @3 G3 [8 M% h: k6 o& w3 E& r
5 ?8 `; T/ d/ K! S% _' Q, M% c @;;run time procedures4 z+ d% T/ e& ]. k; G
* R( @1 {& s4 F$ t) [/ z% Uto go
( h& |2 w Q* X0 K6 C$ u e" z1 \6 P0 U9 y8 O- v( V
ask turtles [do-business]
A, m7 k7 e/ f* C0 Eend& ]% G& d) C1 W/ G! a
+ ?1 b! c$ |0 [8 k* W$ T; s; I
to do-business
& G- a6 K" F& X& q% U0 S
* [: ^0 [9 g, A* f
( I) k, C/ j) Trt random 360
( L" V- K" C( P0 `/ e+ E+ ~$ Q" Y. x3 H1 B3 T3 v9 _
fd 1
- @* a: P) Q- X4 ^* I6 W3 q6 d+ x* E& J1 S1 e
ifelse(other turtles-here != nobody)[: h! y( h& L8 P, r. B$ P
- D8 e# y, Y8 e/ S" e
set customer one-of other turtles-here
/ ^5 E$ h/ _5 T8 p( n+ i+ i
3 x7 V' R, O& g4 u5 _;; set [customer] of customer myself- y, o3 }! q1 L) I- ^
5 T8 u4 U' G1 s" K; Cset [trade-record-one] of self item (([who] of customer) - 1)
3 S% D% l+ e, L% n( Z) y[trade-record-all]of self
$ M% R( d5 o$ b* I( d;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
5 d2 z6 S7 J3 E2 p; d& @3 i# A7 r- ^# ~( }- |4 f' d) d
set [trade-record-one] of customer item (([who] of self) - 1)
2 l/ w+ N f! t* }' v' Q[trade-record-all]of customer
6 c0 b8 |, P. \5 |! K* ]+ S" j8 m4 _, a+ r. L3 K. A
set [trade-record-one-len] of self length [trade-record-one] of self
, W x& k# W& Y3 R2 B5 J4 e
) ~7 v; x- R5 g9 J# ^0 Gset trade-record-current( list (timer) (random money-upper-limit)): r9 V9 v4 X2 u8 z0 T3 L3 X
i4 ~! u$ b8 Q
ask self [do-trust]0 G+ C" {7 {1 l
;;先求i对j的信任度
4 u W5 F `! ]% C: c* x7 ^7 n( a3 ]5 P
if ([trust-ok] of self)
5 b- }8 Y0 N( V8 l;;根据i对j的信任度来决定是否与j进行交易[, U$ I& G& g s8 G+ J* d" B0 w V) F
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself4 f2 M) u% m" w3 v5 [
4 S( F& y( u9 F/ W Q
[" Z% F4 [* G5 h* y) A
* h: {% t' b. X6 a/ I& w7 a
do-trade
- U$ e3 D% ]. H! ]6 @; n/ t/ U, L6 X& e3 {
update-credibility-ijl/ W- J4 A+ k( ~) N8 I/ C& Y- a
( G" Y3 s) e5 n4 ]' Z0 x
update-credibility-list
2 w8 J" S' p# q
A! `5 g/ d& Y7 {- A& k2 Z3 ~5 k# D# E5 \
update-global-reputation-list
$ g& d$ h: y1 L7 A$ _! \; H" v$ r3 _$ |
poll-class+ f* z. k' h: I; J4 [7 x
6 j v) n. I- K2 Y1 vget-color
' j% J( ^) H" p5 g* e2 F( i: G4 b7 e6 a* \, D9 X( Z
]]
! r5 T) ], u4 _; }2 `
$ Z0 x3 E# C6 N. d;;如果所得的信任度满足条件,则进行交易$ R5 l6 s5 r1 ~% h
! P- S$ I- Z; P G7 v& B
[; b. I5 I3 y: ^- ~$ \4 O
) |: ~9 L# c+ Brt random 360
1 T/ v! N' o- d$ a# A7 Q, f1 |/ t7 L* t) o
fd 1
3 N0 F. y, U5 ?3 F7 K+ S
# N' c2 `1 j4 R]# e4 M. q/ ^0 u
/ h. r0 A: T% n% Q0 ? }end
- O, T" M+ J6 O$ }, e* B
) D& o' G* r9 B2 g$ b) t E) Ito do-trust
$ t# Y1 j' L2 G7 Zset trust-ok False
8 I: ?/ C _3 q. Q% I
' s% ~2 X( f" n; |# h- T) V- H8 U, b
let max-trade-times 0$ {5 d6 M# q/ I
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
& |8 H e' l3 F$ s' l1 |let max-trade-money 0, V5 }1 X0 L, X2 D: ?7 H
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]+ g# `7 J, v% U
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
* r. v! I( q/ |
) ?$ v r1 k9 J/ P- N6 t# G0 D5 w2 v. ~- c
get-global-proportion$ t& }/ [7 g5 k+ k
let trust-value3 \# b. z; D2 i8 V
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)
3 Y2 h H2 \0 z% j: g- y5 Pif(trust-value > trade-trust-value)
: r2 E z* `/ n" n[set trust-ok true]
6 G8 |5 t1 I; e2 vend
# K3 ?# P, P& [, M! k4 B
5 W8 q% g2 N& q( Gto get-global-proportion9 L/ l) N! H" z4 I! V$ J
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)- l% R& K! S# I/ [: ~
[set global-proportion 0]
; x) d: C& u; w2 U* T' |: k# b% j[let i 0
; P+ m8 N0 r! V" Ulet sum-money 0% V5 H9 o! d5 h* C, ~, S
while[ i < people] i5 o* P& t/ U
[8 v1 I- U6 \" a
if( length (item i
: q( u% X% \: ~; J4 o/ S4 L$ p[trade-record-all] of customer) > 3 )+ T7 j. Y6 E# X
[9 G# g6 T. H# `; {$ A
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)) c9 v8 U* [7 J' v, K+ j* T. o
]) o5 Y+ A/ L5 G5 i1 j
]' X& _2 C+ O1 h3 r- h$ S# p
let j 0: _& r, x, c2 V/ x, @# h
let note 0
- n; C8 _7 p% c! O8 Uwhile[ j < people]( H. p5 b/ j3 Q9 [
[$ N9 v' R$ I* J4 A4 U
if( length (item i
* ~- R2 ?1 d& w, s[trade-record-all] of customer) > 3 )
6 q) S6 }' B( }( O8 f[' T S. W0 _, h2 D* Z' G3 ^2 r
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)' K: N2 i9 W/ C# J$ h, R
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
" q; c) o2 `2 o# I[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
/ A* g, D+ n! d5 `]
3 I6 ^; W+ v3 v4 |7 w3 r' S. Z( D]
+ R1 e& H+ f3 N$ G# h) J B, Uset global-proportion note
9 Q5 o4 K3 M: H2 w) b) I0 {]9 i. v4 T# {. [5 K* B
end5 y; w# n3 |* ~8 h! ` e: R
4 O! J& l. I0 V" {7 X- D
to do-trade7 |% I4 T' Z' h: J: v' h3 ^4 _
;;这个过程实际上是给双方作出评价的过程# |8 {" [9 ~. `' O
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价3 Q6 _8 |7 ^% h2 W* z2 C
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
$ b7 j4 a" q3 I; h" Yset trade-record-current lput(timer) trade-record-current
" W% I3 R. F5 w& d1 b;;评价时间) s& k" J2 d; x3 @6 F) @% @
ask myself [
; m4 q' j: P* Q9 [. J$ A2 Lupdate-local-reputation6 q8 H6 \" ~; W* F$ D4 l' L7 K
set trade-record-current lput([local-reputation] of myself) trade-record-current) `1 s: o) d$ U& e' }+ q
]% H, P: o2 B7 f' G
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
& Y5 |2 n9 {* [ V, N1 j;;将此次交易的记录加入到trade-record-one中# ]* K2 F8 q$ c4 [: Y8 ^
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
@8 S1 W* S8 v8 B; p2 b3 x M s5 O% r7 Zlet note (item 2 trade-record-current )
1 X0 o$ o6 M. i- l/ yset trade-record-current5 Y: t, R& t. H: g: j1 z( y
(replace-item 2 trade-record-current (item 3 trade-record-current))! c( h! ]7 O0 F2 A9 ] A- q( n
set trade-record-current
- `% z* `/ s' f3 p7 ^(replace-item 3 trade-record-current note)
9 U2 T$ s0 d; L, f4 B. [/ G# |6 o2 s% ^
9 h& k6 U, s1 K- T) J5 `
ask customer [6 m! ]; C; S8 V* _3 v5 L
update-local-reputation# V, A1 I% K" U5 I
set trade-record-current" w1 J1 k3 [6 b7 r+ Y) C3 k
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 3 R0 @7 }4 h i0 C3 N
]2 Z: B9 o( H/ o- `0 ~
9 P6 l) M1 r. ]# k' V8 l7 V0 [/ d
; J7 W! V7 {9 z( `% B% Hset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer3 \6 |" |8 u: E% z# Z/ H
2 k+ r; k( p9 q2 N" Nset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
7 T- U* W0 x; X# H: |;;将此次交易的记录加入到customer的trade-record-all中$ E/ }: I, K E: L
end; B( B1 A1 ]5 m- v( K
5 E" t* @5 W, m3 ^2 `to update-local-reputation
& [; \$ z! g. y' x# Gset [trade-record-one-len] of myself length [trade-record-one] of myself& f9 N& _- a5 ?" J* \% y
9 [9 H' }; s7 [4 k" Z/ }. q5 w
! y5 C* X" |4 }, I& J;;if [trade-record-one-len] of myself > 3 # l, ^+ I; n. d# ]9 u0 ~& E
update-neighbor-total
) T$ `$ D# H: |* X;;更新邻居节点的数目,在此进行
1 S( Z0 S. t, j6 F8 Qlet i 3
; c+ Q$ S7 b2 mlet sum-time 0
) R4 L. U/ O2 e: ]- hwhile[i < [trade-record-one-len] of myself]4 ]. h/ R; @0 Z+ G- r, B2 s
[' ~7 h3 c5 q4 z2 S0 s
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )! L" Q4 H6 q: L. W4 z1 U9 s2 m1 i, ^
set i
9 `. h: r( q5 [2 I* N) l+ |9 Z( i + 1), o0 a3 s9 p* C. O
]4 }' @% K/ ?7 v: n
let j 3
; s& a4 ~/ U1 c6 |+ r3 ^let sum-money 0& k! f5 ^9 g% g0 v. {
while[j < [trade-record-one-len] of myself]
' U& ]. i) b) H[
0 }, |/ p, b6 P/ sset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
& y7 K' M* n6 y( e% R& S0 b' a& Wset j. F2 `0 u, F# ]9 f6 y; S3 ^
( j + 1)
7 @% @3 O9 h: z2 o# W; m]
; i, U0 s* R7 Xlet k 3
! p9 n/ O+ U" O1 ^" mlet power 01 J4 f) g- A7 l+ `2 v1 D
let local 0' F$ q4 [2 O' o+ l4 t. i+ G
while [k <[trade-record-one-len] of myself]& z% f6 |# f7 [# u6 R V
[# N& v6 i. j& 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) ( O; ]5 Y& J* l5 B, X
set k (k + 1)4 N0 d2 V4 f4 V! `5 N# U
]1 P5 ]9 ]" v( ^8 S- c
set [local-reputation] of myself (local)
$ r! c) K5 P R/ T4 `end
% ~9 _* \+ O+ T0 o, j. ~0 u' {! v" w9 b' a, C9 n' F3 m1 B) S
to update-neighbor-total
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]2 R7 Z$ p* v8 A4 ~- t
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& w7 o) U/ N) V+ ?4 e w
end
& w: f( M6 h- @ ^ g `' i' {
. y/ r9 p4 A; e7 D" _3 Sto update-credibility-ijl % n6 m) i* ^( L; t
& T+ r/ }; r8 W8 e i @;;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 o" r z& ]/ O- k
let l 0) [; f- e; {3 u
while[ l < people ]
|; `( x9 o0 q;;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9 M: U8 W. j/ U% m5 |4 x( k, o
[3 N: G& U0 u0 {5 g& {
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
( p8 \' D: A# n- \' a% nif (trade-record-one-j-l-len > 3)
; t) C1 j5 `, o) [1 H5 l# Z[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-one5 ]! H# }' o% J. z) u
let i 3. G, E9 ^* k7 C1 p6 b% }) K! d9 k
let sum-time 0
1 l; C E/ s/ r: Rwhile[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
& \- ]) U0 {. Yset i6 f" g8 p* S( S1 z
( i + 1)
' \5 Z) N( p% V! D) m1 [2 L]
; {7 w7 _+ b1 p% X, Ilet credibility-i-j-l 0
3 o# }5 R# i$ ]! G: T;;i评价(j对jl的评价)
) k6 O+ K7 q$ A; F+ Ilet j 33 }& r. |, }$ c: E5 I& y5 r$ R }
let k 4. q1 [2 C! V& Q
while[j < trade-record-one-len]8 V& C1 M; x a
[
, \+ u. w, r" K# e' H7 Gwhile [((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- |* X v; B4 T- h: O
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)+ J3 v1 ]; _3 z; ?2 P0 ~
set j
& V: ], a- O4 A7 H9 ^( j + 1)2 i* a" b8 o% N
]
, t/ W" C( q% Kset [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 ))
S; e( y& t( B
1 m) E+ I1 a' S* q$ _0 ?" c+ ^: s8 R8 u+ g3 B8 c* I' T
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
6 W- A7 L: x( e;;及时更新i对l的评价质量的评价; A* N" p" A1 b: u W) ]: n( j
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]6 n* @7 ?- q- c# a h$ v; E
set l (l + 1)
/ |$ i! Y1 [7 I# S& D: a]
) D: i7 p: X4 G7 ^2 |. Xend
' n. _& p7 m5 T+ u# z1 G) n& T1 K- S: {1 Q. Q
to update-credibility-list( K. D1 Y- G$ ^
let i 0
! `# {1 l' R4 G" e& owhile[i < people]3 W/ x+ [! E" U
[. U% C& A1 M; S5 T" Z+ w
let j 0
$ \) T0 F& ^6 I7 I+ F: L, @# [7 zlet note 0
" }- C) B1 K: X0 C& Plet k 0
, v/ M) `' p+ I% @( a8 `, d1 |% i;;计作出过评价的邻居节点的数目
5 m' L9 y; a! @& n$ }8 w( hwhile[j < people]
$ b, B, Z7 n: e! R& [. c[. P7 _% b; B% a1 o, `0 s# i
if (item j( [credibility] of turtle (i + 1)) != -1)
: X$ L$ z8 F; \;;判断是否给本turtle的评价质量做出过评价的节点
# n" c# ~/ T. C* V8 M[set note (note + item j ([credibility]of turtle (i + 1))). ]1 T0 M( E9 q: X9 D: a: L4 S8 l/ N
;;*(exp (-(people - 2)))/(people - 2))]: L: E! W# H( o3 q; S. X7 j( C2 D- d
set k (k + 1)# r& u5 z- D2 g2 x% d
]
3 E6 a" t% `8 `. U( V |set j (j + 1)2 F: _1 u4 s6 x# H
]+ j2 m% F9 p0 r5 n6 j
set note (note *(exp (- (1 / k)))/ k)
* S! W( {$ R q; ^! b: s+ j- Fset credibility-list (replace-item i credibility-list note) K" x" A- q% i* p1 w: V$ G3 {% M$ P3 {
set i (i + 1)4 Q' c- y/ s' u8 W/ v# K3 l; c
]
/ u4 o5 A9 f! vend
! s: X+ ?! P8 [% ?
" d1 A1 q" \5 F' c/ cto update-global-reputation-list
7 F* S3 Z, _2 K7 P/ L7 elet j 0
+ L$ l7 Z. R! _" N- G9 \$ Bwhile[j < people]; Q0 i V2 t7 p& L: X
[
; o' U t0 q# J& Klet new 05 y! b& s, g/ O, a! b5 j
;;暂存新的一个全局声誉1 Z& h# r% e e
let i 02 S/ E0 C, J" G1 j0 P6 b
let sum-money 09 I. i0 @) f. F ?1 A( s
let credibility-money 0" o1 a# j5 I! A
while [i < people]
8 ]; f) `% y6 O. a$ b) ~[. S/ Q. p6 ]* E) ?8 _
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
S, i- }9 c* z7 \6 {* \3 rset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
" W3 F$ o0 a6 a/ P6 E+ Kset i (i + 1)
) I+ @6 b2 z. v]
$ o# q6 `2 x5 `! j u) W4 vlet k 00 \# d! n* v/ D {- `
let new1 05 a; i3 x+ J* n8 O7 K
while [k < people]' I8 `1 L& [. v( Q6 B5 z$ D) m
[
- B9 p+ M+ b$ |9 Q) F( i& aset 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)6 [- r' G% j8 {1 b' n: m0 v; ~
set k (k + 1)* g6 S) N1 W2 _- W2 v
]; p2 y" ?# r* l6 q5 |! e. v
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
& e6 B7 Q; b6 Q7 cset global-reputation-list (replace-item j global-reputation-list new)
+ P, F- `3 D. ]8 z* p$ V7 Tset j (j + 1)) ^7 X! E. b5 d
]: @8 v6 @. j2 B3 \
end
8 k9 f' q% }6 |: h7 P: w0 K
$ _9 f: ]* k# T J. v7 j k8 {4 z
" Q. d- B9 Y7 X( K6 W
1 l5 i1 h3 p" J# ~8 }9 Ito get-color$ I( o+ r% t& y9 b" h
9 p* p3 B& k% \0 }set color blue1 i! b9 y. v% h5 l
end
/ H1 }$ x r" `4 U" I: l$ w* Z! v- Q5 e. c/ a" d' e5 _
to poll-class1 M5 V. ^4 g3 y2 I; y# Q
end
, }- _0 j* B1 }! V0 @" u
3 x# n& |* |% {+ P5 `7 [9 gto setup-plot1
* }, a" y! E1 O; V1 K6 K. r( `, N* x1 m7 q$ a
set-current-plot "Trends-of-Local-reputation"
, ?3 ?8 S' D- q
6 R% x# R W4 qset-plot-x-range 0 xmax" T7 ~1 w; w* j0 `' Z
$ i& n1 \$ s% _" J0 _! A8 P) g- o8 Xset-plot-y-range 0.0 ymax
( X% M6 X& @" }6 xend9 n( W3 S& }7 B( n$ ^
( ?* q* p. j) d' e( r3 Yto setup-plot2
0 v2 x( R: ^( O4 [% t. D1 p; w
! d" ^) I" N9 g8 z; ~; yset-current-plot "Trends-of-global-reputation"
: q+ Z) y$ c( D" Q) l" }6 d' T; e, Z. P
set-plot-x-range 0 xmax: {" B& }8 ^# l& p
0 [4 a7 K4 t% m* u/ k! N h2 N
set-plot-y-range 0.0 ymax
# |- S/ i6 R, u* [/ Vend
4 T! b( C1 F8 _1 z
% Q: j/ D. G- Z ~! pto setup-plot3" W. w. Y/ |" x0 J
+ `7 Z. O8 q: G' Kset-current-plot "Trends-of-credibility"
6 e8 P5 {9 X. j2 V/ T& D8 [( j; d- C, ]
set-plot-x-range 0 xmax
$ V% m3 `8 E. Y* f/ w& @
& p. ~7 a; J* i6 X5 [4 @: Sset-plot-y-range 0.0 ymax% o: e. e: [* h
end
% a, n, Z1 H( u8 r+ o9 m @+ ^2 M
6 s2 ?* ^( _1 f! t; d* z% yto do-plots: K9 x P6 k& S
set-current-plot "Trends-of-Local-reputation"
1 p# }7 z1 i3 Y4 O, g- C: m" Rset-current-plot-pen "Honest service"- \8 k2 [. I6 {
end% S: w& y* Y6 D' K
6 Z; c. ~; W6 A9 ]0 X[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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