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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
/ W7 Q; x8 E$ ^0 z7 ?5 g1 ^) _- fglobals[
" F3 T/ b B, L, A" gxmax, m0 i. S1 [. F
ymax0 ?) ~# c% ^& K5 \/ \
global-reputation-list
# y- ], F6 t0 \' W
& G7 K9 r9 g7 A" ]# V" y2 S) r;;每一个turtle的全局声誉都存在此LIST中
3 ]1 I: M3 j! Z4 P9 Gcredibility-list7 I; O3 m; P2 ^' } B
;;每一个turtle的评价可信度8 C# _: n8 f* L# a0 g* }! C
honest-service
5 Y% v. y+ t- @( ?6 {unhonest-service5 j' y" e% T& u) H1 f' V
oscillation& C3 @% _% l- D2 A
rand-dynamic7 a0 o: p+ r) a! n/ P2 {* N
]
$ }' M5 x- r' L4 y9 I# w* B; h
! ~* q$ w3 c3 Y4 j' |2 e9 tturtles-own[
- ^9 o7 o7 L c1 etrade-record-all2 ]* }, j+ D) V) G$ |# U+ U g! T
;;a list of lists,由trade-record-one组成
# U! O, D& z- a0 s2 B5 q5 v. vtrade-record-one8 z: Q+ e# n1 S) x8 Q3 J
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录9 V0 W) E' |1 ?9 n" v$ @
% x: c8 L; i; z& G 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]]) ^# H+ Z7 t, N. s3 q
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]
, G+ `# |, y( x2 y1 C8 o8 zcredibility-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
6 K" m5 u" K. Y( U9 O; nneighbor-total; M& d, p0 j1 n7 s- ^7 u
;;记录该turtle的邻居节点的数目, B! ]; G' c3 v- f! o
trade-time
4 ~7 H' i0 {5 ]. @8 M: y; g& \* h;;当前发生交易的turtle的交易时间
2 q+ E' C+ @5 m2 n) ?# |7 Tappraise-give
5 ` A# |) a- U# v! \;;当前发生交易时给出的评价! o3 ?7 {. _7 z5 Y; _
appraise-receive
) z2 s7 [. M2 N: O# ?;;当前发生交易时收到的评价1 T. R; g) L+ b7 L
appraise-time
" K1 w Y& z* I" \4 B# ~; l. }2 Y;;当前发生交易时的评价时间
4 M9 Z* Q) }$ m) vlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
! {# K$ W3 p" s$ Y# O* Btrade-times-total
( x- W4 }. X4 R& K;;与当前turtle的交易总次数 }" @( d+ k \, {
trade-money-total
. R7 f0 e* \ b" ^) s) ~;;与当前turtle的交易总金额* I5 z' ~& r2 V% Z0 O: u" v
local-reputation
2 [$ {/ ?! {4 \4 e6 Q; T! D" _9 ]5 Kglobal-reputation
2 @4 H# c' l0 X- T( `, L3 ccredibility
# W( C6 l) j8 s4 l/ @6 R;;评价可信度,每次交易后都需要更新
. @' E; a K% f7 Kcredibility-all+ J$ T1 F9 W8 L7 X
;;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
' y3 L9 m# `* I% [, P, h4 Z2 k9 m- B" N+ U* |2 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
+ A, i& }, n9 b4 mcredibility-one
4 |3 F8 B9 w$ l* I5 `;;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 d; G7 @6 h' o
global-proportion! Z9 V/ a0 T1 O8 i! o% o0 s% X
customer- U- W/ V7 F! g n9 i
customer-no9 T+ e$ j! p/ r- `
trust-ok& b. s6 w$ m# G/ D4 c- f# Z
trade-record-one-len;;trade-record-one的长度
5 t+ [& G, W/ S$ j8 D8 J]
l6 t! {8 a; y5 V
$ {9 I9 |% @( a3 v;;setup procedure
) ~1 x, @! s* C
- O ^ b: }8 n0 Y* X% fto setup6 G8 n6 g8 b1 \
6 R% |6 y P5 U7 J
ca0 a8 s& ~ O3 F1 i6 q) s
2 g) ^' j" _8 i
initialize-settings
3 K/ k9 p) }0 F0 i2 Z' J7 g
; z- b8 ]! {* dcrt people [setup-turtles]' d8 k8 |: d/ x7 c6 k5 g8 b
0 ~3 E6 ~+ D# }6 C k5 g
reset-timer9 ^6 S$ { R# N- ]0 C. _. x
& C" f8 b4 o9 `$ d
poll-class0 g; O `/ t' f
) P0 h* E, ~4 Y$ K
setup-plots* f1 E0 B3 }" _4 j( k
# w5 h% g" U( q# j# k, Q4 E% w- h
do-plots3 K* F! T9 E' m0 e s, q
end
( F$ S9 [! [6 V
* X# Y$ K4 k( e1 k, F, Eto initialize-settings
) c! e$ m: L7 _. G2 D: o6 Q% j; b( i
set global-reputation-list []! p; c2 T" B0 Q
. ~3 O, L2 s3 `; w; u* f* V! A( g( t* C5 Kset credibility-list n-values people [0.5]) s& L0 }" V8 q1 l7 D" l/ Y( P3 s+ E
% t, Y! C) l1 @, D; J6 ` Z2 Y
set honest-service 0/ v/ E. R: o) o+ L
5 s" G5 u2 F1 G/ n3 @; ?
set unhonest-service 04 I( n: O8 l( M1 @
; I# a1 Y p1 [6 Z* }set oscillation 0) ^/ V- f/ n) Z, I q* L8 ^5 p- X
" ~/ R/ W, D- f5 T9 d, {3 n' P, d
set rand-dynamic 0
0 C( Y- K4 a0 z; Oend; S; @# o/ V0 o9 p1 C1 T$ q
3 g$ z+ ^8 V$ bto setup-turtles # C" U* T7 `3 M- Y7 S+ ^5 n T$ p
set shape "person"! \0 J. L: P9 j, m$ n$ T% C) t0 H* D- a* _
setxy random-xcor random-ycor7 U# L6 Z- I7 V( W, c% N7 g$ c
set trade-record-one []
6 x& F# _1 m9 W( n2 e7 K1 C2 |' L+ p( C* d7 n% ^% ~* H
set trade-record-all n-values people [(list (? + 1) 0 0)] 1 f x( p7 ~" z
, I' k. ]8 `" t% \$ H+ l8 Hset trade-record-current []
" t W" z$ \7 p f2 l! \5 Lset credibility-receive []: O8 H! G: W5 F" P/ v( O. u+ Q8 y
set local-reputation 0.5
8 l* @4 ]7 W; M! c6 n& a0 `/ Y2 _( |set neighbor-total 0! H1 h9 s3 ^- ?- E# R/ a
set trade-times-total 08 A6 D/ Q ^+ y9 u" K6 U
set trade-money-total 0 N. ~/ t) w o6 t
set customer nobody
: ^6 U4 R" M+ {9 I2 ~7 U! F3 lset credibility-all n-values people [creat-credibility]
/ x, R- Q: c3 y$ M# \set credibility n-values people [-1]; z. u( _: W2 O8 C
get-color
( F. o4 \" q6 ?' ?; J! g: K
! z7 |0 F6 O3 }+ cend# \' n2 b- N5 D! M* O
* b; P4 B7 e+ P9 B- m! @: Eto-report creat-credibility
" L: F* L& }# Oreport n-values people [0.5]
' K$ v- Q, n+ g# Jend
& e! y& Q3 e9 e8 [
" k! v" I. r0 W9 Q# p' Q- q+ e; |1 g$ Nto setup-plots6 |- |) i5 b: h/ T# X# z" C+ m
/ N4 y# y$ v# j& k/ H, @* w9 Cset xmax 30( o0 J' g1 x2 J r- C# Z8 Q
% L! j/ e% W' Jset ymax 1.0
. ^5 G8 Q: u* d! ^$ [6 m. P' |
0 L3 b9 ~, M: I, v' Mclear-all-plots* c$ y" E& C% U9 s1 `& L
2 c g6 a' p( O( J7 i+ `setup-plot1( A# e! b. F6 [: }& _
5 b, N5 n5 K9 y
setup-plot2: C# y6 ]2 Q" \, Y
9 P; {3 z$ Y! R0 p0 Hsetup-plot3' z& G7 x' R) ]; C+ m H
end
0 I# K& y0 v" g& t6 \, O$ s7 `% H, o j2 l+ I- R! t/ A
;;run time procedures5 x9 l. _ }$ p6 U/ h# W
5 o4 r* }7 v9 W9 L! c( _
to go" X, B" u# l! V, J/ \
% x# F5 P. \, C6 A
ask turtles [do-business]
1 R2 Z: k" x0 f. ?9 W2 `; rend
- n8 n5 I2 e0 Q' W# a+ V1 ?
. C4 H$ C4 t1 p! }' K1 _to do-business
+ ^8 m h( X& ?( ]& z; w* @
0 ~) L9 u$ L/ }+ `4 o4 b4 H& {+ A& Y) N
rt random 3605 ~& n7 K6 a2 }( q+ r
# X; g$ r$ @8 Z* D4 c
fd 1
# e5 S F2 A# B! E( `; q$ {! K2 p+ A( u! C5 q1 r" ~* S% T7 _7 ]
ifelse(other turtles-here != nobody)[$ X4 w& T( D& P) ?8 t
9 {# g' |$ ^6 Z, S+ Mset customer one-of other turtles-here- s8 `1 A" r1 U5 k- k$ i
) J; Y7 \/ X" a/ d3 H$ ?. Q;; set [customer] of customer myself8 M, g" i& J7 S6 J+ p
2 y/ v& q7 d. Y% r- h. h
set [trade-record-one] of self item (([who] of customer) - 1)+ K d# o$ F s) K$ {
[trade-record-all]of self
$ P' N( J% A: y7 b;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self, J# R0 t H2 e8 \$ x5 H& R$ l) C' r* d
6 i& r; H( p. h) E4 G3 b- ^set [trade-record-one] of customer item (([who] of self) - 1). a& O% e+ z( U8 E, L2 \, C! O
[trade-record-all]of customer
! [, y6 @/ W- Y. ]( N) v6 P# X* u+ {+ W8 o U
set [trade-record-one-len] of self length [trade-record-one] of self, k# |4 B2 M$ n# x$ N% J. y
( D" F+ K/ V' Z( f K6 Eset trade-record-current( list (timer) (random money-upper-limit))% v" U# Z( y- F4 A1 T0 j
R2 z- j0 v8 j$ I9 I% Jask self [do-trust]
2 R5 P, ^6 ~/ o7 i1 t2 L$ U;;先求i对j的信任度$ h" Y. c# }: F% c `
/ f# |6 z: [1 J% x
if ([trust-ok] of self)4 f" I3 X7 y [- K0 W D
;;根据i对j的信任度来决定是否与j进行交易[
4 c) ^& w n, `3 f- y2 p/ lask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself2 G# n3 V1 @5 K- o G; \) g
& j8 X5 E% ~3 B9 V5 b4 V[+ J# V1 m+ U# \& Z
1 \2 F. q$ D+ U8 r
do-trade
" z- D, v+ e- u& _ ]+ o" M( l7 B9 u3 w+ _8 w0 R
update-credibility-ijl
# C0 u% s2 \; _& v$ u; \6 Q3 p6 X
* W7 @0 u4 ~' W5 W% b7 Rupdate-credibility-list7 U0 b* l% x4 E
6 H8 Q6 _7 p3 n
9 s: J3 o+ O+ b, s/ S" Dupdate-global-reputation-list
B# O v' r" P3 h- g# v" S3 j* z w3 e- F/ P; K% x! X
poll-class
6 B2 L- V) f8 E: {: p# p" V: \% d& `! u. Z
get-color
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]]' W, i3 l' `9 Z1 U7 ^& V
6 Z6 d+ d+ }/ q" @2 T6 X- b/ _- {5 ]
;;如果所得的信任度满足条件,则进行交易1 {+ h* O1 f6 D3 }% B g- Q
5 b6 i8 q5 b- s3 n$ H2 G& N: O
[- e/ h* B7 h8 P' x) m/ o7 k
$ n8 E& h+ E# t& U8 _* |9 x7 C
rt random 360
( [" E! y4 F0 |( `
6 W, M# n* r7 D; T3 e. {5 u$ pfd 1+ Q" {1 @( m' N6 U Y' B% h
) K6 _1 T+ m: w5 S* C% [- W
]
4 C, B: `# ~# `) {" h+ w+ u
: G' ~: R6 y O; T* u3 send
# {2 A0 T0 c i! [
- q i9 q+ d4 q; Ito do-trust 3 Z8 M8 z3 U) X' ^2 F
set trust-ok False
4 r5 s1 a9 |( W( s( n+ b- w9 T' A+ ]2 [1 E( [/ ^. |8 H
2 w# b+ F* {5 T3 v* O' k5 s
let max-trade-times 0
# |+ I1 l1 o: E8 e! ^foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
; I; w$ A& k" i- Zlet max-trade-money 0
V7 w' a) n& b* Y) M# V# Mforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
- m9 Z: f& \2 C/ @- Vlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))$ u; C! u, A v/ ^6 j% S/ q5 ?
2 l" P' n8 b) |! X) T$ \
& N1 v1 @/ K( o" Y! ^' Sget-global-proportion% ?1 s d( Q! L( G+ C) b1 n
let trust-value
' A( k1 Z- F: W. _* ~8 Jlocal-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 Q8 e* f! m$ J0 O- v q+ w# U
if(trust-value > trade-trust-value)
g, Y( F9 ~! l5 A[set trust-ok true]2 G* A0 g* \7 ` U+ Z+ l
end
4 W) ^3 _* L) }! ^' b D+ {8 E2 L1 l7 @
to get-global-proportion2 V6 I9 p0 a8 N6 v! `3 x
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
t- r( e" y% [' a- S+ b6 C[set global-proportion 0]8 h9 t. _5 s5 a R' \7 S
[let i 0
! Y1 D+ n# i8 J3 U$ Blet sum-money 0
T6 _ f# E% y# D1 i& wwhile[ i < people]
& `! _9 i8 M: r) \9 A$ H- r2 ~[
% o& I1 s" B+ U- ~, y% @3 F3 bif( length (item i
" o# t6 [/ i; b# {2 ][trade-record-all] of customer) > 3 )- d1 Z+ S! H7 g' v
[
$ s+ i* b3 ^ D7 n" {set sum-money (sum-money + item 2(item i [trade-record-all] of myself))7 z6 r, E# {& G
]; y! ?) P. ~' r5 }! ~. E! Y1 I0 O# _+ h
]
" ~5 ]! L3 M. y) I& d2 ^let j 0
* C. b! n4 O2 \) _+ `let note 0
" ?& n! w- s5 d! kwhile[ j < people]
" Y$ W: A- P# A# U' ] U! e, `. r[
* ]. b% V A; m2 X6 L9 |. d5 n/ c9 ]if( length (item i
3 U: \( }- q2 Y7 J4 O% I[trade-record-all] of customer) > 3 )! b: B( B# Z; ^4 m2 v7 V
[
8 _& |- u8 X% _; l# Q' |9 S0 w" Aifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
5 k& ]: n5 b: T: V( j' S[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]! w5 w% Z0 I( V9 e# X6 E
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]& K: ^4 e+ ^4 v7 e# l/ D2 d# h
]
0 s. C( F H. c7 `% `2 p1 |] ]1 S7 `7 n4 J( q& C# s
set global-proportion note j' W" p4 E9 g2 w; k* {1 e
]$ X& `( F5 D# L2 b: u0 v
end
2 u7 {/ [8 [6 v; x: h4 S; m+ M
) V" D5 v% O- b* I3 z3 q- `to do-trade
- O7 J0 ]8 j3 D! h3 l& J$ X;;这个过程实际上是给双方作出评价的过程
4 ]& A; o8 ~( u6 Tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
% B& G* [; Z3 u+ w: t8 W! _0 ~8 L$ Rset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价 t; p# P$ P1 B* n+ `
set trade-record-current lput(timer) trade-record-current' @( |; i& Q% f# y6 q
;;评价时间
- b s- x J- \% L: t+ kask myself [
; o- P, H* P/ i' k2 ` s+ c* aupdate-local-reputation4 {- H+ ?: _' m) f' t; F8 q! m* A" l
set trade-record-current lput([local-reputation] of myself) trade-record-current% H W% N; G1 {
]
1 {7 K# F# C" }: b" o2 G( Jset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
8 P( K5 [, h# ~4 n3 G) e+ W;;将此次交易的记录加入到trade-record-one中7 s6 ^/ m' J9 W. X* ], i
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
7 O) {. F4 Y. T4 _let note (item 2 trade-record-current ) J8 n, F5 |: Z. o+ W8 l
set trade-record-current# H3 _* m \* E) F- c1 r2 F( e
(replace-item 2 trade-record-current (item 3 trade-record-current))* p" j9 d- d1 {5 k, s0 h% a
set trade-record-current
9 y1 x" d: A8 I(replace-item 3 trade-record-current note)# H; N8 l" j3 ^, U
' ]/ r' p" j( D1 n/ K+ J1 ?0 w
& \4 A! x4 F) o: z3 E! Rask customer [. }$ m9 o" {2 A0 o/ m( J
update-local-reputation( Y; Z8 d y/ V, S
set trade-record-current
: l& \) V2 S* Z! K0 _" z% U(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
8 A5 b/ m. V N1 ?]) _0 z7 n5 A8 j0 q$ B" }
, W6 P! @" R1 z8 u# X6 _' n( s! M6 |# X6 A% S8 X
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer. J0 T2 {0 l% ?+ L
: u+ B0 D9 y( R# D2 rset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
9 d6 Q5 P/ Q1 F;;将此次交易的记录加入到customer的trade-record-all中1 ]: F; V6 j0 g, G9 s
end
0 H8 U3 ?' F* `5 t: A
. b1 t5 M8 n/ d- N* e% O: i& f8 |to update-local-reputation
: M. c a2 C2 C7 m' @5 G1 Nset [trade-record-one-len] of myself length [trade-record-one] of myself9 G0 V+ ]9 Z) U1 Q2 O
) T: J0 c. Q9 z1 e
1 g! A1 t, ~, C+ _& @;;if [trade-record-one-len] of myself > 3
0 O/ o! v3 @6 V9 j4 e6 c1 yupdate-neighbor-total
4 K7 _5 W. s6 ?;;更新邻居节点的数目,在此进行
' G& b: U; ?( f8 Llet i 3' Y& @( P' Q8 j% h! w
let sum-time 08 M; i$ v/ H) K. p* v: Y0 U5 d
while[i < [trade-record-one-len] of myself]6 E! _0 M0 e6 Y/ {8 Z1 ~' v
[
; V1 K% R) _2 S) `8 S( z& ?set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )+ F. c/ s+ t4 D0 i/ B
set i
) ]8 i9 g) r. m5 r; b/ z( i + 1)
1 K$ N! @$ M1 m: Y& ~4 s' i2 c, d& l]/ c, R0 l, P) R7 ?/ V/ R
let j 3- ~' h! Y6 z5 B; e) b5 S0 ~+ J" |
let sum-money 01 }' }9 `. u% ]/ D$ E. m0 b0 f
while[j < [trade-record-one-len] of myself]
* D5 j/ ]/ t$ w[% M$ N3 p' k- A4 W% ^2 z* {8 A
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)$ U- O$ T* ^ Z% A( Z; s/ w2 ]% @
set j! E' G+ n. q& B$ s3 L/ }$ V3 r9 F8 F
( j + 1)5 @& l0 l9 }6 u. Y$ Q7 C
]
}3 e4 R3 {+ C! Ilet k 3
$ |; B, h G. x( k3 I7 _let power 0
8 l0 K9 s! D5 P1 z9 Olet local 0+ P8 n* z; q7 v, |
while [k <[trade-record-one-len] of myself]! I# _9 `* J' j4 \+ w- G {1 e
[
: j" ]/ h$ s7 Q8 J# hset 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)
) l2 U- s( X2 ?9 \ E( I. T! Eset k (k + 1)& N8 a4 D. K- j6 m! M- ]2 u4 s4 B
]4 v7 S' L) p/ E ]7 W4 e$ T1 U
set [local-reputation] of myself (local)
. q( P. h8 I8 M/ o3 N9 v$ k) Vend' K; K& k8 o+ P0 j$ t- \
# {6 n) a8 U C0 n; Oto update-neighbor-total! E& g |5 v/ H
1 o6 j5 ~5 Y" d! m$ }5 Kif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]9 X* \1 _) i2 q2 r# e' G
0 ^ v( z3 F/ ?$ I- E* w* m0 `; s+ z& |$ Q. Q
end. r ~# `: O a( x
3 b6 { x0 x3 ?# T* t2 @2 ^' C
to update-credibility-ijl ( ^" O+ F, a& K8 G w' O
9 B1 M0 I$ Q8 D6 h8 [6 p;;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! k( `7 D3 n6 {9 \let l 0
* U) R+ {$ E8 G/ ?5 ~while[ l < people ]
5 L2 u# Y% ?& n. V' q7 x9 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
& w# l% v2 ^+ W0 W9 D# Y[2 E# a) v' x* I1 j1 o- {
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)& f" J- }% ]1 h/ S
if (trade-record-one-j-l-len > 3); e0 V! o. r" d# N# s& B7 A
[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
/ Y8 L# q i/ n1 A9 i$ hlet i 33 T, v! [/ u4 `. @
let sum-time 0& d! q# c3 ~/ q7 @
while[i < trade-record-one-len]. I: H% w1 h- j4 i. y" N% X
[7 }1 A; M, @7 D( p
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
" J0 j8 L5 O" A3 O. p8 `set i3 X: E4 S$ c( e
( i + 1)" p8 {; z" u; `7 X3 j
]1 {9 S7 C- T) q* S9 E, f+ j
let credibility-i-j-l 0
9 K' X( z% f$ L) E# w1 g;;i评价(j对jl的评价)8 e, f* c- [2 j$ ?4 V3 N
let j 3
: h5 G8 x- V. W r6 G3 a: F6 ^let k 42 _, p @4 U0 H
while[j < trade-record-one-len]
/ n/ V- ^/ @7 u, k6 v[
7 e% Y# P$ d1 l- kwhile [((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
! [4 m8 h, o" c/ t/ {$ x8 _4 aset 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). E) `$ j6 i8 ^3 B! f) v$ P
set j+ @( ^7 c' u' E( b' K2 P2 @9 E! ?4 z
( j + 1)
3 q# [( P$ p; t: J]& g9 |$ C4 I5 v0 w
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 )). T& i, z! j5 Y, ^. {% N* H
' s4 l3 R' U U/ C( ~/ T
: ]" @6 H$ ~# \ Y6 R: i/ e2 elet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
2 b# \+ H; Z" e/ d. B" j0 e' d6 ];;及时更新i对l的评价质量的评价: [+ K4 W9 S) H- ^. \7 s' n
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
7 D1 l8 E: C( }) N3 |set l (l + 1)
9 T J! h6 S0 |2 g]0 l, J" B4 l- Y
end' B9 V9 h. Z# W z& h9 }
; W" _" w7 M' y( S8 I
to update-credibility-list
! }( N! p* B+ c! ]5 xlet i 0# q+ Q3 ^# T' Q3 M3 q5 A1 N/ T2 b
while[i < people]
$ Z8 s0 g7 \( h0 ^/ s0 K[$ s2 \& {9 Z7 Q6 N8 m
let j 06 _0 A F+ k# _' n
let note 0
- h( s0 o- T3 _. R6 Slet k 0& A8 V# o: f3 ?: R) Y
;;计作出过评价的邻居节点的数目! ?% U5 `+ f3 S
while[j < people]
: k1 |4 X! J+ M. j2 x8 q0 b E[
$ I' l4 B. y. i" d* i; iif (item j( [credibility] of turtle (i + 1)) != -1)
6 `' Y* X" `' Y- D* L8 d# P;;判断是否给本turtle的评价质量做出过评价的节点: x- x# m0 ^5 ~5 j, {5 T( \
[set note (note + item j ([credibility]of turtle (i + 1)))
; w4 c% E' m: l: b( _;;*(exp (-(people - 2)))/(people - 2))]
! D0 a, Y" m9 H6 v5 {+ S/ wset k (k + 1)
# Z# _" A6 N- L ^/ i]' R% p% l$ Q3 I6 c6 |
set j (j + 1). {; a) b+ V2 V, @) u
]; K9 d6 T( l+ ~1 Y7 A# z9 Q
set note (note *(exp (- (1 / k)))/ k)
5 x6 D: P- m+ V E `5 U4 dset credibility-list (replace-item i credibility-list note)7 G1 c3 W# k+ l+ q2 {
set i (i + 1)
h" @# |% I% Z& t8 R+ b3 E r" z& k) \3 T]3 B$ W3 p5 z1 P) r: H w# r! v; D
end8 S1 o6 c# h0 k0 p2 G/ U q; G
+ d" s; \7 T" j1 S
to update-global-reputation-list
7 t2 f" @2 ]* X+ o9 W& Mlet j 0
. E* u* W2 U- f) w+ Uwhile[j < people]4 f4 C" A' I+ \7 v
[
: w8 ?" f) L% u. {( B( ?: Slet new 0
t4 y0 l) O8 G3 }3 O. N9 o4 K;;暂存新的一个全局声誉
v; ^% p+ x( U; plet i 0
; @' }7 Q, [; s6 @$ p% c; clet sum-money 0' c7 x2 l: j3 w
let credibility-money 0$ N: w- b% \+ U2 c
while [i < people]' r- G) l8 \: D# H
[
. o" \0 y6 ]# m! [: h7 f" hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))) Y" z5 y9 C1 m
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
5 L6 _8 _4 E: N/ r1 T5 c5 k6 G6 ~6 hset i (i + 1) u( G" N. N; p; a
]
! a8 T' k) P6 t( R: w, {5 Vlet k 00 R( t2 ]$ J' `( \8 g: T1 \
let new1 0" f" e) c+ r* k& Y* f
while [k < people]
6 E2 K& p( w( ~, X, P" n# e$ K[( a- M/ Q7 J7 S; d/ d" L
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)' b7 o$ w; U2 p
set k (k + 1)/ V& w R, m0 |8 }7 Z. j3 r
]# [! L( W2 ?9 O2 f
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) / [$ v1 E+ u. M
set global-reputation-list (replace-item j global-reputation-list new)- ^/ R {7 u2 _/ y9 y
set j (j + 1)
; q! ?4 g8 H, d8 I% i8 {( K) x$ L]
3 C- s, r- A! f- y, ]end
; _9 ~+ T x" V8 r3 [. Z- A3 f! o8 M9 d- _
w4 s* ?* f! M/ t& g( H6 G) B
! V: _- a* t# X# O" n8 g* b& L
to get-color
1 ]' I! s: y0 n' J/ {* ~ ~. c/ d9 o' ~8 @
set color blue
( O! V/ C2 n+ o# w8 u0 v! Send
( X5 b! _' m, W. y9 O) R( m' o- o
to poll-class% p, H+ G2 N9 c' U' f( ]2 C
end
4 c! s) H" n6 \! [9 W
- W" T, h$ f/ ? Vto setup-plot1
?& h" r0 j- F% r9 h& D; P( z9 ^3 o0 _6 }. i7 r' G# l
set-current-plot "Trends-of-Local-reputation"2 X. ?, F; z# ~7 J' @
3 j: o% b; T/ X, a8 Z1 \0 t
set-plot-x-range 0 xmax* x$ n1 ]0 U7 @3 c$ {0 o2 i7 {8 ?0 F
]5 Z) D |9 r" S: f) `! s& A) hset-plot-y-range 0.0 ymax6 W% Y. Q; @7 N! k
end
/ b* M2 V( N& s! l6 v
- F0 M) O: p! i* n# V4 E) d3 c: oto setup-plot2
& L$ G$ K, A8 j* C/ M w0 p# Z8 W* k
set-current-plot "Trends-of-global-reputation"
* r7 u9 Z7 w5 B9 M6 P5 k
) G( t% A1 `- Y5 _" Z, {, v9 y; e. W$ O$ Nset-plot-x-range 0 xmax3 T% _8 b+ G2 h. M6 b0 M2 G
5 g& c( ~% G0 a7 a+ Bset-plot-y-range 0.0 ymax
8 S2 S& z2 E: Vend& t6 v- S1 r) w M, L# Z
' Y8 j* h% H" {, L# ~
to setup-plot3
5 b) N- U+ _' o6 z4 B
3 W6 F; x: O" k2 y+ C4 r6 P: K" qset-current-plot "Trends-of-credibility"
0 z; ^# g! @$ J1 c
: ^3 H# {3 E8 Eset-plot-x-range 0 xmax* a4 \2 G$ y) \3 M. U+ z
$ q5 ] t3 g, S5 o* P8 T: o2 t/ `
set-plot-y-range 0.0 ymax0 @# l0 z! E6 w( m! k" f
end, K( M! ?8 o; Y! z% `: n
- n. k7 z* o+ z: p
to do-plots3 Z* {; ^( M' |) K3 g: m
set-current-plot "Trends-of-Local-reputation") {# g4 `0 t4 j. Z8 E! b
set-current-plot-pen "Honest service"
4 i' r$ r* O7 u* \! [- F$ uend
6 r/ o9 V/ J2 F/ J' h7 v3 a* L/ J9 ], u [! a
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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