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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* U% S' i6 _" k! k x- z0 [) K
globals[2 E% ^1 @+ U/ Q s
xmax& N. h1 i. V5 i( R, d i3 j
ymax
. x- p- u: w$ Z2 F* u3 dglobal-reputation-list7 ^- N$ H/ w4 b) |, Y! o4 P k
) n$ v- G9 ~- z1 `;;每一个turtle的全局声誉都存在此LIST中
5 [( V% y1 h% x$ |0 ?" h# Rcredibility-list
6 H# o% `! W: o;;每一个turtle的评价可信度
0 v0 ?1 c$ B* s( E* G) Qhonest-service# P3 c @1 }! n8 i
unhonest-service
" i' {6 [) n# ?4 a- a! Z# Voscillation
* _* q8 s! q0 W# b& Orand-dynamic; ]& a7 w. o8 i5 U m4 u
]1 }6 M' o2 y" `1 h% n9 V' j; f
$ U% p" n5 e% ^. D S1 q+ k
turtles-own[
/ ?9 _! K4 a( m, Wtrade-record-all/ H5 ?' Y2 {& s
;;a list of lists,由trade-record-one组成) n# D w: J5 a1 U* T4 o0 m* ~
trade-record-one
$ i0 i3 X o) A# I7 ~;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录2 h# H1 T6 ]( n7 E- p& J% N6 R
( H0 d& h/ M# s5 @6 o
;;[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]]
) T/ C6 b6 f0 U6 Ytrade-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], {1 m4 ~! y( x" H) y6 N* `- 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: |( V& R" E. \9 d( q2 O
neighbor-total
F4 x, ^1 ^7 @" L+ R7 y;;记录该turtle的邻居节点的数目
% H7 h8 j7 o+ C4 utrade-time. e2 g0 h4 y0 y: J* T, J1 f( f
;;当前发生交易的turtle的交易时间' a! I$ ]3 {6 }7 s
appraise-give
/ s6 u7 t& r2 A0 K9 q9 A6 X+ H" r;;当前发生交易时给出的评价
3 K( w1 Z& {; C/ b1 Nappraise-receive
1 L* a" P/ f! ~;;当前发生交易时收到的评价
$ \1 ~2 K8 X0 bappraise-time
0 |: y; J+ }2 `0 v) z# U;;当前发生交易时的评价时间 T# f6 C. y( \+ ?7 Q3 e6 E
local-reputation-now;;此次交易后相对于对方turtle的局部声誉/ ^- v' U! ?, y. O8 @0 F8 u# b; E
trade-times-total9 k V4 ^( i& w+ s; P2 [. n
;;与当前turtle的交易总次数
2 H: {/ m4 k! H6 V; ?trade-money-total/ P" e; R% |; E7 k. Q4 L
;;与当前turtle的交易总金额; u1 K+ a2 s5 }$ m1 g' ~7 Z
local-reputation) J+ C( ]7 O! B. k7 b& Q* Z: n
global-reputation3 X+ A r% z# F- j( G- c
credibility
9 l1 r, I2 Z0 d2 ~* i( l;;评价可信度,每次交易后都需要更新 Z, D2 l$ r: J! h( }4 q
credibility-all
. ^4 L" T1 `3 Q5 I6 {( 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2 q/ u$ O4 j/ {& |6 s+ j1 ] A! B* V
" y0 S) G0 Y& {( D2 T0 r0 u
;;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
- G, X/ ~, D3 ?credibility-one/ Y: h1 ?( | V+ 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5 a7 Z* c9 L! Q
global-proportion
" D& R: p, l' R$ X0 ~) Ucustomer2 A. ~, A* U, y3 M
customer-no
r8 q! U0 g8 }* { ltrust-ok
/ j8 F9 |* x! Dtrade-record-one-len;;trade-record-one的长度8 h/ I9 u. |3 A. C% P0 M4 ]
]
8 E6 W7 V- m* q, `1 @# e
7 @/ p2 f/ P. M7 P2 t% t! x;;setup procedure# x9 q M, \$ ^1 ^8 D' A
- X2 l* |# c- b) X4 l, Y6 T5 `to setup
% j& |6 J& ^- ^! D
' @# [2 o! T4 f- X- J+ f) ]7 ^5 qca
. j2 X( v) n/ l
) I }) _ }. ] O; T3 sinitialize-settings* k; G* P) d! Q
: u" v# T) A/ _$ `
crt people [setup-turtles]/ a8 y$ L% e2 r( B
, w# C' i6 j3 q5 treset-timer1 o% s' e- L! h9 t+ Y- L0 ~$ _- W
( _5 |! e m! e$ [: x
poll-class
) M9 a) t* s, {; y) ~1 V9 Q
& ?: Z# q# E `) _; g5 {setup-plots
2 z/ }! y3 x; q5 y/ X" x; Y
, @& G2 }; L& i( l( L/ W; ~do-plots
6 j0 L' J5 j$ ] mend
7 Y, p% p$ t) N6 I9 k9 m( m" z. K( t2 ]
to initialize-settings
+ R! X. o" i7 d, ]8 [# o4 [* a+ e6 ^; c1 ^* ?+ c7 \
set global-reputation-list []
7 ?1 {7 s2 y5 i, B4 V, S1 v8 T2 S0 ? c0 p! d% Q7 u
set credibility-list n-values people [0.5]3 Y. D+ M: l2 h. ^+ o* T. P8 m1 R ^
* Z/ r$ |8 P. n2 s) O
set honest-service 0
, O0 Z( U2 P( K \& B! t; s; K( D$ d! n7 e" o6 s
set unhonest-service 0 h7 J6 K+ e) x$ P$ @+ |0 ~1 S
0 t) |$ ^0 A/ i& e% }9 sset oscillation 0
9 {) q- p' Z1 _& U+ w3 L- [0 `: K! d9 o2 f& G' S
set rand-dynamic 0
. Z, x2 Q2 z! F0 l$ L4 h# u! Yend, R9 u3 a& p- ]+ ~! r" H+ }3 ~! z
- \, J) L7 j2 b6 Jto setup-turtles 4 N! H; A' s3 @, p* a* ^
set shape "person"
5 A$ m) I# l4 u2 M' S0 Hsetxy random-xcor random-ycor) ?7 N+ X" {/ R, ~( I
set trade-record-one []1 u& w; K) u1 h. q- c' V8 \
8 ^, A F4 r: E A+ m5 eset trade-record-all n-values people [(list (? + 1) 0 0)]
, d3 M# |. u4 u
1 {5 I8 r( u0 z) @0 F# `set trade-record-current []
7 x8 O _, ]6 g. X9 Y) {set credibility-receive []: g0 v/ W* z& J% k& ]4 ~( ^0 m r
set local-reputation 0.5
' @; o. L% t2 |' u$ pset neighbor-total 04 h. B6 i+ ?. N4 u/ }0 Y
set trade-times-total 0
- b# q; M. J% o0 s7 T6 W/ Eset trade-money-total 0
0 F- { {! n ~9 _, cset customer nobody
! I" ~) T; n0 h* U0 k# s; Vset credibility-all n-values people [creat-credibility]* _4 ^* {" V, F5 c5 a
set credibility n-values people [-1]6 }0 G3 r+ l3 r8 U$ l1 b# t
get-color
/ N* h- e& q9 g4 _+ g3 `6 ]0 r7 C6 k8 O: g! `7 Z/ W, m
end" v3 G0 `" @: z+ y3 ?4 |
/ E5 c1 b1 M5 A8 @0 M1 U
to-report creat-credibility
; g1 b# ]* a8 @) `/ P/ a* Wreport n-values people [0.5]) Z% h) u- C* z& O) G
end
- l* t6 U6 w* |& N/ h
. f2 E$ \/ m q& f Uto setup-plots
8 L1 H% z! V u: W/ C
1 F/ j$ V) T5 G% Z! _7 n6 vset xmax 30
, K; b3 a5 J9 _/ G1 D
+ f+ v% }8 h1 ^4 gset ymax 1.0
( R" H0 ~) F2 |9 L" N3 Q7 c( T. Z
clear-all-plots/ i7 c' R, c1 j% _2 H3 ~
* ]9 N s; I+ }* c: Rsetup-plot1 s5 ` X* ~% k; z. k P* H
, [. e# B7 x" {: v! D9 {3 Ysetup-plot2+ a( Z& f/ j r8 u2 @3 K! I
( ?4 w \. o9 {, W) ?- u
setup-plot38 V( ^8 V% ?0 X
end& ~* Y# S* L) |0 t2 p: E% F. a
" C- h& y8 e( `: H0 |0 e9 A D
;;run time procedures- @' G/ Z6 ?* [. f
k2 M9 _" H- f
to go
# k" X& _' G* ]( P9 ] }% e3 S" u% m6 R) k4 ^* `, _
ask turtles [do-business]$ _# a0 [' l$ z1 M! I' k2 o, T
end. y; |9 j7 K( t
4 a) x/ E$ \" p! b
to do-business % c6 Q9 \7 s0 U; Q! B8 k6 V4 {4 n
3 }- @0 y+ {, i4 Y( ?7 X
! D3 p( A% O: o9 xrt random 360
2 H% w* u; g2 s( Y3 j* L* \5 X S
fd 1& g2 ?( l2 S1 c3 I' r
- S/ k: a, A+ v# M1 z' ?8 Sifelse(other turtles-here != nobody)[3 h# U [( b7 z* G
6 P* {) n& E P n3 F; Vset customer one-of other turtles-here
% o. q+ y; U0 {
+ \: Y4 v0 D0 w% q;; set [customer] of customer myself! D; a z+ @. j# `, V) G
% ^/ O. f- o6 zset [trade-record-one] of self item (([who] of customer) - 1)8 O- O3 J/ @8 y" @9 t: S
[trade-record-all]of self) i" q) X5 c5 b0 |) w( M. e
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self# B& l: ?' U9 Q8 [
: }& y/ {% W/ a( r. \
set [trade-record-one] of customer item (([who] of self) - 1)6 v w$ L- v2 {; z7 b, V
[trade-record-all]of customer5 e! |9 c$ o5 V) K8 \0 _
6 d9 V, `7 c3 B w# X3 k- ~) c: i' Z
set [trade-record-one-len] of self length [trade-record-one] of self/ T! p8 I& L6 r, }0 J) A" e: C5 G
6 p& Y, ]) }0 D: q7 D0 e
set trade-record-current( list (timer) (random money-upper-limit))
; }; l. W" e0 m1 A* U1 y* o9 J9 R
8 L* O: w( E2 O7 A' O' b5 B) Oask self [do-trust]
2 I# q: `- Q+ g! o;;先求i对j的信任度
! Z0 u. v! a( J& K
' x2 H" X* Z. Z1 [% Oif ([trust-ok] of self)
' h. o6 g" E+ V+ d( K;;根据i对j的信任度来决定是否与j进行交易[: L5 |1 }8 ^4 V" H8 e2 l. P o8 ?( d
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself O! }8 m9 ]) e+ X2 A. {8 o
* c. Z9 s4 T) K& D. ?; n( v[& J# g9 Z' l3 _+ ~( b6 p! R% q
9 A1 T8 {1 I" Y! ?9 N* }do-trade6 p- b: o7 H) R7 }# i: Z: `% r
3 I8 q9 D# v/ |% |) c# L- F2 a
update-credibility-ijl
& q- G) J# S% I' H/ s, R( e
- V; g$ g/ C4 e% ~7 Y# W- Kupdate-credibility-list' o% f8 ^' h' W. U0 `3 V
% s; z& V* U- ~1 \* S( `
1 S2 ^" n" ~' }3 Y$ @- C
update-global-reputation-list% ~. p) F; R" j$ A! x/ b) }+ g
2 g2 T. W0 J( B$ |, tpoll-class( A3 h2 `7 o# F+ p
% V* ]8 Q# o b, J$ `1 S
get-color$ U& g# c, n4 R, f- i
! @; ]0 ^) n. P. D% r8 c]]$ `6 s( Y+ M% A% M: R* U3 |( R
4 A% v$ }9 G* a, l6 G;;如果所得的信任度满足条件,则进行交易7 Z: F8 _) G( K
& p3 [9 w9 m m' a[4 E0 y* }/ t) j- X
D( P9 \3 _/ q% ~/ D' j9 r9 O( B
rt random 360
, B: ]% H# @) `0 V* C8 [ _( p: \
fd 1% {( X5 F8 C! P7 q5 h
7 |. o% t) ~ |( P
]$ e- x5 m" ~( U5 Q& L& @
9 Q0 q3 J2 _6 V, N4 q+ a! B! o
end
/ E+ @$ x- `; p2 B# [
5 ?# x- G+ K* ~6 Vto do-trust 2 O5 Z" T7 s7 R, d( H2 X3 C$ l3 }
set trust-ok False/ E1 V" r P. \2 i+ `
$ `$ h# e7 \! o
2 |7 D5 U% \+ y/ @9 X( S6 [& ^
let max-trade-times 0
@1 @) ^2 v B, ]foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]" e* n! n' ^5 T P, | J3 M. `
let max-trade-money 0( A- s5 ]& _" X' a" [6 _
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]2 ^1 i7 Z+ {) X" u/ a9 l; A
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))0 @: R+ N) T0 E8 p6 D( R# {
1 s7 t3 [! F: ?* M# c# `1 o5 f; B
6 b" [' w) L! _5 |: z# sget-global-proportion
% M# {4 L3 X3 Q, E8 E' r' c7 A: \let trust-value
3 G0 u; m9 M% elocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
7 b% G* L3 `, W1 Y/ v: aif(trust-value > trade-trust-value)% L* ]2 Q$ c: M( x, h
[set trust-ok true]5 l: E( q% s- Q* D. M* Q1 K
end; _2 P3 W, p4 \
$ Q; p8 b0 i: f
to get-global-proportion& z4 X) V' U3 t7 C
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)+ N( R* b: B! z
[set global-proportion 0]3 A6 {1 t' [8 }' D; R& `4 f
[let i 05 }8 k1 G. }% R+ R9 I
let sum-money 0$ K# e/ @) P7 s6 C/ `$ F
while[ i < people]
* k2 t6 [8 C4 L: h# e[
5 }! o4 R& I/ O$ {! W cif( length (item i9 u9 Q3 g/ Q% i5 h4 e' H7 ]( i: Q, M
[trade-record-all] of customer) > 3 )
' N2 A1 x/ O; y& K[* W) ^9 o# Z& X% _6 _
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))# B/ `2 C/ ?. V2 T
]
2 H1 O4 n/ e% D1 n0 D5 J]& |; [ t [' X
let j 0
: J% f$ ] C9 X: u/ Flet note 0
* u& C$ T; |# }. A3 fwhile[ j < people]
3 F% z. f/ t2 C, e[
0 n% I" n0 D" a: J: jif( length (item i
# e" ?3 w) y# m3 J[trade-record-all] of customer) > 3 )! f+ z: a, a' X/ U, b2 T% U$ ?9 m
[
8 ^ E" B( q- \* f4 N* hifelse(item ([who]of myself - 1) [credibility] of turtle j != -1): K" r d% y, ?: x
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
1 ~; H! p5 m. n6 p[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
5 x+ ]! c3 _) B5 o# M7 |- M]* ?# t; I5 l' [8 T; `
]
/ T, k# v2 v7 @) \set global-proportion note
: K7 r; L" W( C" l% A# U4 {]) {, A9 V( {. W; p3 |; T3 E( O) V
end
7 E. t7 n- K. j9 y6 }- {( {
^8 G- l; T7 _to do-trade
6 r6 l4 Z" T) p9 D;;这个过程实际上是给双方作出评价的过程 ~ M7 u! b3 c/ O* Q0 s) F( A
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
" B" L( K/ D* ~* t: pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价% {% v% \8 z/ V
set trade-record-current lput(timer) trade-record-current! G% u6 m, x, B8 t- x
;;评价时间
3 h; W4 U& P) E9 J5 q0 C/ g( Mask myself [
1 T E0 a$ W9 X# T! M) Q+ Hupdate-local-reputation
: k* c) t0 u: m0 Iset trade-record-current lput([local-reputation] of myself) trade-record-current
# m3 R' P7 t# Q% L" Q" Q- R: g]) k: N0 A" i7 r; |6 \" h% a( E
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
( o3 `# d( X& a2 _/ N;;将此次交易的记录加入到trade-record-one中
& C/ o- q- |" H* O' Y8 o! j3 L7 eset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)0 J7 Y; G0 w. \3 I" `5 K8 {/ `
let note (item 2 trade-record-current )2 x+ Y8 x, U6 w* `7 O5 w( [
set trade-record-current, [. r- `! x) B. m
(replace-item 2 trade-record-current (item 3 trade-record-current))
( ]2 N' ], m% fset trade-record-current
) {2 j# Y1 H0 I1 f( l' I7 u(replace-item 3 trade-record-current note)/ u+ ?6 C/ h1 y& s: k$ M
7 @8 |: c% G$ W9 w# [
& N r0 [; z& j2 G. @
ask customer [8 j+ b" _' N( [
update-local-reputation! p8 y+ o, x! ^5 f1 ^# z: j
set trade-record-current
8 U3 ]/ d( M& Y8 I(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
/ c1 a" ^4 H O]4 A7 K \" L. `9 G1 [; w9 b- v
( q/ R [, Z: ~! J; ?
0 N$ N2 `1 [* T( ?/ _0 K5 K
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer% E+ T! t7 G% b7 }& x
' \# C3 j# p- z: K
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
! V4 F9 L* `# d6 l;;将此次交易的记录加入到customer的trade-record-all中' k( y; G1 X6 y- h e& S
end7 X5 V- v) Z$ D v
1 e: s I9 ]% {! r7 gto update-local-reputation) F# D2 {1 B( B# |- F
set [trade-record-one-len] of myself length [trade-record-one] of myself: L* ]* l7 s l. |& b% n& e
% l8 U2 R/ g7 T+ ^0 U' a+ q; n" T$ h4 C5 _4 z
;;if [trade-record-one-len] of myself > 3 6 J3 t% F- x) {
update-neighbor-total
8 U+ B# C6 S4 E7 G3 N9 |6 b% [2 O;;更新邻居节点的数目,在此进行7 e* {1 V1 ?# o- I3 M
let i 3" ?* D9 d/ f! k: {7 E) M- \
let sum-time 06 @3 j ?+ b0 B7 f
while[i < [trade-record-one-len] of myself]3 c. A% J) m8 O/ B9 j
[
V; Z0 G' x* H/ D. H! z, Q \set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )( G$ z7 D! `. E
set i
0 ^5 t1 X5 F" I( i + 1)
/ O/ v+ }; k. Z1 s" c( P7 k]+ ?- Y6 ~% X& k0 a7 b- _' f
let j 3
+ l( P7 r- ~6 G* v$ E( u4 hlet sum-money 0 p6 J, S) r: S* S8 R: K1 ~& b- d1 c
while[j < [trade-record-one-len] of myself]& Z& H3 c/ x" ?% `4 c/ W" J7 g
[ E+ z' @: u8 T" N M
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)' V* L( N$ P8 S
set j) D% e# D, [5 z* J: C3 `9 t% L6 E
( j + 1)# }" M; ?& \) J, ]! L3 @5 ^
]
4 r, ?1 R& A+ Z1 Dlet k 3
+ C6 H) G. z; M8 k8 {& A, L. Glet power 0
0 m" P: A6 u) o1 h& u$ t3 o& t' hlet local 0) v" u# ]; l4 L* n8 k
while [k <[trade-record-one-len] of myself]4 a2 Z, s, M( X' I0 ]/ m
[
' e4 H/ `/ [4 q% U: _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; w" j/ S% k/ [
set k (k + 1)' s$ M3 j4 _: W- ~1 I8 `
]
* l& D& E" i' j* `* I% R0 iset [local-reputation] of myself (local)
6 `! l9 R, v$ {# |5 B- P' `end
/ X1 Z5 g- g3 W B% N1 {; q/ h+ b# v# a& a. ?4 D9 T9 P
to update-neighbor-total
6 S# v" s2 k' m; W$ ]# Z* Y& r: H3 E n9 P8 G! ~5 n* u2 o7 G/ ?( l
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
9 v# g4 n2 m5 m+ q1 w3 X* }3 w( w& U+ \* f" G) A
8 e% v' ^5 J0 V+ G0 G0 f6 aend. N$ ?8 i% y8 B! L: T& j
7 ]1 Q1 U. ?9 P9 u
to update-credibility-ijl
- \1 ?9 f! e7 K- u- Z8 Z2 l$ \! S+ B s
;;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。 g6 M n, Z9 b( a
let l 05 [+ u* B1 Z) x; B2 m5 K" H
while[ l < people ]; } `' I. b& A# H* T8 R( E
;;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
- N5 B4 u& c7 @ m6 k3 c+ D: a% Q; z[
, d# g1 F* T# f0 A/ `let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
8 L' u) x! e: C$ }& r9 ]if (trade-record-one-j-l-len > 3)
( U$ A- z3 ]: Y' Y, U% 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-one
! r) b4 A3 z! s+ W) z6 Flet i 3
9 y0 Q% [9 w$ G* Tlet sum-time 0
7 G3 R) I6 D3 K5 h* i0 E9 ~while[i < trade-record-one-len]
* G+ S$ {. v# }1 R8 j[& z7 O- U. E' l& d# Z3 s) z- L V
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
& z; N3 Y( a! i I' q0 h% |set i
0 j. M# V6 b9 `: u+ i* d( i + 1)
3 u6 H3 ], S; X! l) f- C]
4 E" M# ^9 Y8 z# Z* j5 ]" c/ `let credibility-i-j-l 0' E7 N2 P: h; B% c1 o
;;i评价(j对jl的评价)/ P1 a' A! L) {; ^8 Q0 j
let j 3$ k/ |/ K1 l1 ?9 [
let k 4
$ Y1 e; u* G9 U0 o, a) J8 T2 _' fwhile[j < trade-record-one-len]3 U8 H `8 G% z
[
* N8 n7 }& b! b! m" l- w( Nwhile [((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
7 u3 ^/ w8 z# t% U3 fset 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)0 v- n; h+ \ g9 ]8 Q; Z- q" c
set j1 b a- o7 v( h1 l& ?
( j + 1)
9 N* W+ X( p6 d2 g]5 W9 f+ k6 c' ]. ]' z/ V' `5 s& }) E) c
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 ))9 c+ f! u: E" N( e V; x6 c
" T* Q1 L4 K* H6 q3 d( U) B8 f# F( {! O
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))2 i; R' H0 `+ Q) h( v7 B
;;及时更新i对l的评价质量的评价2 d& I Z' Q5 J; R h
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
5 ]1 r: b' y/ |9 n/ i r4 E) K; Sset l (l + 1), a7 `9 |8 c# v7 w' _# m
]% I5 O& m# y* g7 k5 W9 {% H- C! f
end
4 e" O6 U; {" F) e; Y
/ j# I% D* o! g s" L' ]$ [to update-credibility-list
) g! }5 P0 r' C) Mlet i 02 A6 V9 m/ b2 u2 Y: { {
while[i < people], i( @) E) _) p" s3 i+ \
[$ n# L! h* K7 L( J& K) f- m: z
let j 0
0 c7 |) v5 W! J: Olet note 0
1 I6 H7 s& ~, x. `6 Tlet k 0& i& {& B0 U. z: ~3 b7 v" L
;;计作出过评价的邻居节点的数目
. M2 H; V; }8 c/ B& ?1 s; Rwhile[j < people]
7 k9 F3 M, h% s2 F[7 n+ n- G- |$ P; T' `4 J
if (item j( [credibility] of turtle (i + 1)) != -1)
: S( w7 G$ |, y" v& Q& N;;判断是否给本turtle的评价质量做出过评价的节点+ J. K: ?3 M9 L$ H; I
[set note (note + item j ([credibility]of turtle (i + 1)))4 m& X" L) D. b- V# o
;;*(exp (-(people - 2)))/(people - 2))]
) L( |' @ i' B' |% ~7 `0 bset k (k + 1)9 g* w- O3 ^( ~; X( B
]
& R. h a+ b+ Q4 X! c0 V; Bset j (j + 1)
0 h7 K/ w1 g) o$ d2 `& O+ ?6 U]8 ?5 G$ E3 Z9 x' V
set note (note *(exp (- (1 / k)))/ k)
! ^2 A; j8 z5 r) zset credibility-list (replace-item i credibility-list note)* D$ f( H& X% `% V, b' Q- A
set i (i + 1)- d6 t5 j, G) p/ i8 L- [0 }
]8 j2 E0 B$ C2 o6 o7 V2 u5 r6 g
end
( z ^& f) l! b) {# W5 M7 V
, F$ G/ S7 N& }to update-global-reputation-list
( ]8 T7 j: Z2 l* E% S) V' Ilet j 0
; K/ b9 ?1 I" |9 m! {- ewhile[j < people]
0 } e0 g0 j, @. g[: P( B0 Z& I) H! ^0 V" o; Y& q
let new 0
! k( o( h! |" W5 E5 P; e;;暂存新的一个全局声誉: J+ w& q( J- k( [4 L
let i 0
) T9 S4 |# @2 P1 m: M; glet sum-money 0+ i( d% k, b3 W/ ]( O
let credibility-money 04 Z/ j& o3 A+ x( R4 H5 U
while [i < people]
8 r( s5 W2 b# K p[
; c* J9 P/ P5 ]9 P6 wset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))* R y% Q0 ^: l1 V# H2 X9 z+ x3 w
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)), y* H& b | Z
set i (i + 1); O" V8 c/ I; K @
]2 Q% U9 G; m" F& \9 c
let k 0
7 k! F6 D0 J* m8 R0 d! [let new1 0; |! `6 Q# v- I# |9 s
while [k < people]
6 y2 J4 w( O$ U1 c6 N+ P7 h[3 ?# u" a% c0 M
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 Z7 F7 n* s; I7 `, ?% v
set k (k + 1)
7 D1 q* h4 h. H) M' \4 Q]1 m9 P5 c) H+ w8 k4 C5 r$ m' k
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
; D/ m5 {3 u, {8 Q! Xset global-reputation-list (replace-item j global-reputation-list new)3 G6 ?) o D4 Y$ n4 |! {% {
set j (j + 1)
" A9 n" V1 c' p) Z% \2 S]# _( U$ V/ G" t* G
end
4 D% s+ q* l; f A v! v& y9 `( A- t) I% q3 E: p4 o, _
) G6 r2 H" B& z+ L
# S; s/ F2 n; _# w/ g
to get-color
" K+ X( E, _: ~! c
2 p2 @2 p- H+ ~& o- G6 [' Mset color blue5 W, y; r3 f' \8 t/ r+ k0 @+ y2 N
end. d' p' ]) K9 O6 e; m! ?/ y
# D5 R+ T$ n9 Y8 B9 {% x. }
to poll-class
. R" e$ t$ T2 {8 b1 A, Oend/ N+ g$ l% e. f% O( i/ T3 z
, I6 V/ }' H# U
to setup-plot1
1 a1 t( |' L6 J5 D$ ]+ }( Z* }. o6 h, o( |3 O
set-current-plot "Trends-of-Local-reputation"$ l9 L2 D( f% r# G9 s6 Z! ]5 D
; l+ p! m2 |- T' H( T
set-plot-x-range 0 xmax
" a/ u% W, s/ `) R& U% @1 r
" P" Z1 s. H9 ]% ^set-plot-y-range 0.0 ymax
8 P7 P0 y& ?+ a) {$ cend' @: F C4 J7 X G* m* H9 U$ K
8 ?. a: i- n( S- S. D, w
to setup-plot2
4 |2 p/ c" Z2 [% ^2 e: C- l, g k9 N1 L1 _
set-current-plot "Trends-of-global-reputation"
; l, A9 ]4 j' U; E" `2 Y7 l5 [6 f: B
set-plot-x-range 0 xmax
6 l D3 A) W* {* W6 b# S/ d U2 ?- f( T5 O0 V% r
set-plot-y-range 0.0 ymax
# |, L, p: X9 i+ i( ~/ H& gend
1 G2 e. z5 G, J* k; r' {+ d) O2 U1 d; I0 a
to setup-plot3! N1 e5 r- T# ?
0 i8 b6 x3 u" H
set-current-plot "Trends-of-credibility": I9 x. J' k% s% X: t
- ]0 G( I3 W% d6 jset-plot-x-range 0 xmax* [" R0 F5 M, i5 S D5 V
# x0 m, G- q1 N9 I3 m0 t
set-plot-y-range 0.0 ymax
' b/ P% A* i. h+ ^6 s% M3 w5 ?2 j) yend
! X, b+ Z- D0 ^! H5 v1 r: @; L& \+ y3 R
to do-plots
5 {7 Q8 v" \. L% z& N/ v0 z+ r% Sset-current-plot "Trends-of-Local-reputation"
. n! e D) j, S/ mset-current-plot-pen "Honest service"5 t, T& l! i' p/ Y7 {3 ?) i$ D2 g( `
end4 o# A3 @" C! Z) X
3 o! s7 }4 t+ U4 r+ Y0 O[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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