|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
& C/ r. h) e7 wglobals[
) a6 M! h: ^9 V9 {" T9 W" r1 [7 u2 Zxmax
2 h0 K: q2 s1 W0 {. Gymax0 c7 F# f8 f' s, T
global-reputation-list0 K8 K+ U" p5 u& D
; k! K* n2 N5 c, s
;;每一个turtle的全局声誉都存在此LIST中( j5 C9 @& Z' I/ o; L! n0 _( E
credibility-list8 t" ^# p3 i2 J0 a, U* c0 W
;;每一个turtle的评价可信度5 K& [6 F* Q6 V
honest-service
" y( W5 m, M; Y" p# q) `4 E' Q" iunhonest-service! _! N+ G; D) ], E
oscillation
7 y' G% m6 H. G2 lrand-dynamic
" I: e( Y" }( _5 D3 _]
% [( I ~4 Q! N; j8 g2 U, K, S; q& G$ n( O6 \4 U9 }- [
turtles-own[& L+ s" _1 R3 d. D
trade-record-all
P# r" A: t9 g2 i' k" w2 o;;a list of lists,由trade-record-one组成1 g0 s O: s: O3 `+ `! r- O- U7 |
trade-record-one
s8 i7 L) C1 T' O;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
$ i9 q- P2 f2 T) |9 x9 l( \" ^6 C' G- t+ 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]]+ i" y$ r5 u) K* X, Z
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]: m: c* P8 c9 U' V+ m. o' Z; k
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list1 J/ S+ C" o( R$ {2 c( K J5 M
neighbor-total
- e) k5 d# Q* Q: ?;;记录该turtle的邻居节点的数目
' o. c0 Q9 o7 k# i9 M9 b% A; r ntrade-time
) g j: `6 Q5 e( c. F6 L, F;;当前发生交易的turtle的交易时间
6 k$ [9 X" d+ a, J; n* A* t* Bappraise-give
2 M0 |( K4 y0 R% f9 g;;当前发生交易时给出的评价& T- I8 x. b! f6 [) Y7 d8 g
appraise-receive% e' L0 z' w' }6 c0 e
;;当前发生交易时收到的评价) F% E% T5 A/ Z
appraise-time6 r% N/ [: t1 T1 o4 }' h
;;当前发生交易时的评价时间) p$ Y9 @' w) Y( S
local-reputation-now;;此次交易后相对于对方turtle的局部声誉/ z N- y8 r9 Q6 C$ G& W
trade-times-total
1 t7 o# b) K9 w0 O;;与当前turtle的交易总次数8 B+ Y4 v8 ^# G: P: ^7 ^2 m! X3 c
trade-money-total
5 _9 b- H& W( R8 `7 E;;与当前turtle的交易总金额& z6 Z* J/ I- b( `" j
local-reputation2 M, K! w p4 H: _& h; K% `
global-reputation& J' c7 E" E; A" ~( b
credibility. P+ Y* b3 ^4 ?
;;评价可信度,每次交易后都需要更新
W6 x' m. h: Rcredibility-all. H* p5 G. \, `
;;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
% R% y" J$ {4 k* A1 q4 N$ N( h/ {+ e2 a$ ~
;;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
# F: ~$ \4 n$ k* D) g/ rcredibility-one- f2 q2 ^* H& N5 P2 G% y. f7 I
;;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
3 m! N( q! {+ \; v. O- |; c- {global-proportion" j3 _2 j, S3 X( [* O
customer9 v1 }! z! f! C9 |8 R8 t
customer-no
' M6 t1 Z' r% x l8 o0 strust-ok, O E- E* b; x1 G
trade-record-one-len;;trade-record-one的长度% K) E _3 _: n, s
]
5 L# {' f3 @5 y8 X: d* V3 a% i L( ~/ z6 U( i5 r
;;setup procedure9 Z" u$ J! T4 J
7 A" w0 k/ f0 @% Y8 C: m# {) {to setup$ W7 c' B0 V6 }( q- R
# f. z( U* ]% D* C( }+ y* Xca6 v$ E/ o* W" v
) u/ Y- p9 A% D Oinitialize-settings
( c. O) o# U& c" t0 u9 I5 K4 h) y+ ]9 A; X
crt people [setup-turtles]
% O/ Y$ {( X Z& K) W; v. p+ X( Y8 R) ?3 ?7 x, J7 w5 u2 P; |5 z; I
reset-timer
7 w7 T2 ^2 i. B9 i9 ]4 f+ }
0 O% u3 U8 P) I( N5 c) B- S3 T$ Npoll-class# r9 S' \ E, h. k
( C$ D& \% U( Q3 i
setup-plots. |: A& D7 F3 m% R Y
2 Z" S0 g) M3 _- G
do-plots
" j5 \, X( }3 V* n" y$ m$ Y% ~% aend
. i% a, Q. o0 L; h; Y3 _- U
6 D2 \% M' {. l5 q+ Y4 o' Ito initialize-settings& o7 z5 Y2 t, _: M2 K. ^& m# G; ~
- `) Z3 |+ ^$ e% B
set global-reputation-list []
1 x8 v+ {& m x+ m3 \6 r+ t' @7 t! f
set credibility-list n-values people [0.5]8 g5 j/ K: q- q& L+ f
' q3 @6 P# \2 h: a5 s' ^: |9 K
set honest-service 0
% k$ j, Y1 s b9 Q+ ~! G3 T* ?8 p X( n* G2 r4 {+ T# ~3 ^. f
set unhonest-service 04 w& ]/ M6 s9 E# }2 Z
7 [8 r$ F7 b2 ]7 r* F- }set oscillation 0
0 d/ [7 I1 j, w5 o+ C3 z
) |. A2 K, @& Kset rand-dynamic 0
, t# F$ u% B2 t" J4 X3 l1 W3 ?end- m0 x) H% z- R
" ~! r* [& }0 X. a2 H. ]8 ~to setup-turtles
' Z2 N/ n, Y7 k {* ^set shape "person"
: j1 C3 y" w) X+ }2 V7 ^1 X' D" Fsetxy random-xcor random-ycor
; Z8 i) [9 Y9 @6 S: n( Bset trade-record-one []
# z1 W2 u4 \- G, c6 S
1 v% K2 `. `# z, [) k2 Z' n0 Rset trade-record-all n-values people [(list (? + 1) 0 0)] * E- ~8 a$ i) h7 E
/ U* h# r d4 b; N; S5 g$ R9 V
set trade-record-current []( T1 P. m7 x0 X! q9 Y5 P7 D8 }
set credibility-receive []
- Y |: V& U, r: D/ S# M- Wset local-reputation 0.55 x* T! l1 f- B7 m
set neighbor-total 0- @4 b- _6 F3 q4 T
set trade-times-total 0
9 @" x+ @( `; s0 Y3 g1 S ]0 r. pset trade-money-total 0% _0 S+ }* F* h8 k
set customer nobody- i r$ l! `2 J2 A$ c+ a
set credibility-all n-values people [creat-credibility]' j! F0 o: A6 z V$ M$ p! B" T
set credibility n-values people [-1]/ B: b! E8 }7 A) V3 e, u5 ?
get-color- }, a* E& W8 {5 N9 e1 C1 Z
% o5 i6 S- o& b
end, V2 b3 U8 T0 N$ f. {$ B
5 W+ u" ^ l; v9 h- V' |to-report creat-credibility1 }/ D8 x# A# {( ]
report n-values people [0.5]5 k8 J# q: U& |
end) n5 C( X) b$ w9 a3 `! v2 W6 J
) v$ P3 A$ m6 S; m9 a( z5 ^to setup-plots
& p9 D3 f. y" H' d* d( ^* ^% \8 a2 b9 K0 w7 c G, k: Q
set xmax 30- Y5 L/ A( {$ g9 k: U _, d
- u' t, a" i- v6 b+ R9 }
set ymax 1.0! r; _- g: N7 {" a( C
3 n* R9 g+ K4 [clear-all-plots, l# ^* z0 e' K
6 l0 J, H( h; m6 vsetup-plot1! D5 P8 {! k0 q( B
e! i2 u! p; ^2 m7 r$ usetup-plot22 e! T5 I& B6 d i8 d
; Y/ N7 N- g i! Q
setup-plot3
6 d! F. S% g7 fend
) ?+ K- Z0 S2 L$ `" a" X* h2 L6 e5 V% T, O- e" {
;;run time procedures
( `$ Q; v2 W1 m) J$ Q
. {% |; p$ O4 _5 {) J ~& T \to go
3 S6 K: v! [" s" ~8 [! D0 m( |2 H6 {8 v* R# t/ [3 E8 X2 E* A
ask turtles [do-business]
9 {( J6 r* v" M; `end$ ?. s g6 I! ?( M2 }1 \. g
5 J0 x0 W7 x# X4 @2 w. A' Rto do-business ( C* O _% A' V# N% g5 T, Y. d
" J( F( U' X/ i5 m( w; m1 o/ b
1 ^' o% C$ J& U* I) G Y9 rrt random 360
) x/ J. a8 E- s5 a
; C9 j+ }* w1 D3 k) n; A) W% Ifd 1
& m) F8 u+ q X8 u9 e& ]. ^, P" M$ v6 r
ifelse(other turtles-here != nobody)[4 z) i% A' B$ S8 u9 G
3 G' b' n1 c- e- c4 X
set customer one-of other turtles-here
/ [6 W: ?7 s/ ]$ j# \# n U: `; O) L
;; set [customer] of customer myself
: X5 q7 n: a& V0 y" I5 q
7 V* s2 T* f' R5 r* u* vset [trade-record-one] of self item (([who] of customer) - 1)4 u* i3 \" U" b+ Y
[trade-record-all]of self# h/ `7 n8 X+ V+ b- W: p3 E" T
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
& Y* g" e: r4 ^5 g0 |: i. m- y7 Y: U5 _' l8 l
set [trade-record-one] of customer item (([who] of self) - 1)
8 v9 Y* s1 `( {9 x. [3 M) T+ Q[trade-record-all]of customer) ?& }9 _5 v J% s# R
7 y+ G5 I5 E% z# H) t* P9 Nset [trade-record-one-len] of self length [trade-record-one] of self
6 T8 s) v% @& h1 c @* \1 a2 y {- X
set trade-record-current( list (timer) (random money-upper-limit)), a! M9 ]4 m# T. K
4 w O4 g1 G5 Q. F& ?ask self [do-trust]
$ {# L$ e0 ^- y' C- q% @" U! J& \;;先求i对j的信任度7 M1 _( [& `# F0 d N2 ]
$ X: G) t* N; R+ Mif ([trust-ok] of self)
8 ?, ?7 t! J3 p o( P3 L;;根据i对j的信任度来决定是否与j进行交易[
5 S* |; N. D( \5 `, m/ e/ Aask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
" J. l& ^/ e: R7 ]6 K# t; S. c3 o' J9 [6 A6 E _8 { t7 q
[
' L/ p- R3 a& [ W6 a; k- c
$ P9 B5 K9 I/ W4 m: ^: n/ Tdo-trade
) s4 s* F8 o* ^& I0 l M, U# ]) K B4 a# m4 e/ V
update-credibility-ijl8 l+ J2 G% D4 @1 f1 E% Y+ h
& Z) J) ^8 F! M5 l3 |% U6 Yupdate-credibility-list
! L! [& q7 c; [! a4 g7 z$ M5 Z, b+ C
) S4 D3 \! P( d5 f7 {. i
2 O: j- B2 E( k* }; _- z" R `update-global-reputation-list
! o* y) i' R+ G( D$ x1 ]" M
* b* K# `% O1 f( G9 Apoll-class4 O3 q+ @$ {3 @. g2 i
]$ j( @! |9 Qget-color
$ f9 P( r6 ?3 t* n5 R- ^% T" \7 X$ D" V1 K% S
]]
6 S8 m! P: R9 }% T( E& M' O/ W# c' A' ^- T( a0 @. M
;;如果所得的信任度满足条件,则进行交易) r$ Q: L2 I# m& w
0 a+ p& ^! j7 | U[
3 {$ O2 @+ \* P5 r" l- Z6 g
0 I+ _1 Y" [, }% `rt random 360! P, L8 F4 T/ b8 E8 j
6 X- R$ D6 ^' c6 }" j- u: ^fd 1' n! }. g! L% X3 m
% E6 w; s% [! o. N; m]
3 w8 G2 O4 \6 @! I$ y! U" v& w8 u3 d2 | i, n' z! Q
end9 h* W* O. G; r3 q" O5 Z7 h& v" D
9 A7 Q/ s- A8 L- ?" T6 Nto do-trust 1 f: \" g: j' [9 g e
set trust-ok False, b$ b1 Q0 [+ P" A9 a
+ _, t) ^; b1 v2 ^, M' c" s8 \. k7 t( A3 e
let max-trade-times 0
7 @! h5 U9 e6 j. Y* Z% S' gforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]& ]# Z8 D2 c0 Y# o
let max-trade-money 0
7 A& h! m. S, Q% ?4 |0 n0 sforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]; f0 F% K1 ]; k/ Y; Q4 U6 O
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
8 c, n/ I' a$ S& X# O! f" c/ Y3 e1 K4 L( m
# |! P+ B& [% w2 Z: `, qget-global-proportion3 U7 j$ B, d' A+ D. F
let trust-value: w$ w/ A. x3 n( S" ]
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)
0 o1 ^0 c+ R4 q {if(trust-value > trade-trust-value)
+ s4 v" |# x8 z[set trust-ok true]
* u- n3 O1 A0 m! h9 s1 q$ Iend7 j' S8 n6 p: `2 A. m+ ~
* \; I4 C8 j. k0 dto get-global-proportion
! w" J, K+ b: Z4 oifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)! P6 ~7 m B, O* @: Z. }# p6 X* m
[set global-proportion 0]
* H: [! ^0 p. d0 \9 j! f& V" l8 A[let i 0
7 I5 X+ t7 V* j) G$ Z# y3 l1 elet sum-money 08 ^# X' A6 ]( M! [. ~ @& u$ Q- c
while[ i < people]7 l- Q' A3 P0 Z
[
3 \5 F& r+ G! l3 i, `if( length (item i
& i4 f% }" s7 X g! p[trade-record-all] of customer) > 3 )
/ u+ o4 N' W! Y. i- Y. T1 R7 A[# m8 D2 i. y4 G; A) \6 A
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
) e( P# E4 g7 ^* P1 c: Q# E( Y0 L' _], W; s e$ |) r2 s! Y. Z( _
]' g. f9 |" j, Y* R; e# e& U$ ? J
let j 0
7 }, ?/ B3 X6 k+ Clet note 02 p% C( T# [$ N5 B) y9 j' d
while[ j < people]0 c1 h7 Y" k' Q. }# J0 X0 X
[
/ P K0 d- i3 b3 c5 b) U7 xif( length (item i
, c6 s5 L3 f( ] E& d; \7 Y8 C[trade-record-all] of customer) > 3 )
$ i: X2 \4 q) g, _4 o' [4 O5 U* ]8 W[. c k% A7 W" @6 B' c n, j
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)) H) N6 s2 k& q4 R( w7 B
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]5 D, z" G* B) l I3 h4 \% Y
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]# Z5 b- s0 g( G3 f: N! q* j0 I- o
]
+ g* ~2 C1 C6 ?2 S# i9 D]
* \3 f a8 P# ~set global-proportion note
" c j% r& ~% l8 d]
& T) N% Q. v7 J) _1 L. dend
0 y' `. V v" U- a2 o- T: L: x
; f, o" x& b& j+ yto do-trade( ?0 p3 a7 o) C3 Q+ h5 Q/ p" Y
;;这个过程实际上是给双方作出评价的过程
2 X* p+ b6 S* X& N3 Zset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价% `. U% m$ {$ O1 B, h5 w
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
# X; ~( Z0 L$ f0 m9 {# tset trade-record-current lput(timer) trade-record-current0 }6 G5 e6 F8 V9 E# {+ B/ a% v
;;评价时间
5 M; h0 R& V6 p( Q* l' B, Task myself [
5 }9 ~% i9 a9 [/ r! A7 `9 u( X/ Iupdate-local-reputation
7 }4 g+ C6 I% N1 f. `set trade-record-current lput([local-reputation] of myself) trade-record-current2 ^5 P3 E, ~- d3 p3 d- A1 b+ ?
]6 e9 H6 v4 n; n' E' `' \- W
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself# G; A( m5 h+ U7 p
;;将此次交易的记录加入到trade-record-one中; m! g! @9 e, Y- m* T4 G; i
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
$ E/ }( P; Z; U8 Y3 ` M blet note (item 2 trade-record-current )
+ ]% t9 N, ^7 n! E$ Nset trade-record-current4 q$ \1 ^9 W4 k2 L! j* K
(replace-item 2 trade-record-current (item 3 trade-record-current))
! q% E$ P/ Z2 l0 t. V! O! v2 E7 d& Xset trade-record-current
& e! S7 C# Y/ `' j(replace-item 3 trade-record-current note)
0 c( i" }4 g: q: g* P% z& F
1 i: w* E' w, ~# D1 w
) m1 Q! n8 a& l4 qask customer [
$ |! A; |+ Q' L) Y# b6 zupdate-local-reputation# G; l! }: q* z2 l. W
set trade-record-current
0 j: H( e: R4 e6 r(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
3 H) Z0 E3 L8 }$ g( E) I]
- M/ t; }1 s9 P6 D' k8 R% T2 E" J! D& [* S. l+ U
3 p m2 ~8 G# }9 v. z2 R. q- jset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
+ ?8 R% j$ Q9 J$ N- s( N; I! h; T+ _ p$ H7 F% m0 ?
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
7 ^" Q1 ~1 w+ G2 ]+ ~) V, T;;将此次交易的记录加入到customer的trade-record-all中
& h9 u$ u3 O; I8 d/ J, fend K s% [; b* L+ S( R5 L- Q
" R, z; B% K- F+ S& _! B4 kto update-local-reputation
) b& }* X9 N; a" G3 aset [trade-record-one-len] of myself length [trade-record-one] of myself9 Z8 O8 i5 G! Z2 K8 ~0 w
- L+ u; ^% x! q h/ \5 K
& X" _# K. p- p) t
;;if [trade-record-one-len] of myself > 3 5 C# ?0 ~) d0 b# [8 c
update-neighbor-total9 \3 e: a* T# }
;;更新邻居节点的数目,在此进行
/ K \9 x( k, `) ulet i 3
! `7 t* [; y- c( e) ~* D' v2 klet sum-time 0, @9 O/ o& S! _2 k8 E
while[i < [trade-record-one-len] of myself]& [$ @4 [6 A e( J, R8 y
[
* M6 g8 Z8 O, O5 {2 u, x: ]2 U7 `set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )3 |% a7 m# T2 d4 V
set i
3 o' g4 B' T) W( N1 p( i + 1)* l7 z- K9 V0 M
]
: u; H, y* Y5 V& |( H/ q1 klet j 3: n" {) U% F, w- e9 J. R& l
let sum-money 0( t" x; n* G% a% j
while[j < [trade-record-one-len] of myself]# `' x) u9 G, l$ B9 n
[
& h& ]: }- ]( o5 r& l/ k1 {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)' b8 y' e, |" q, u) m
set j8 ?1 h9 K% E& K+ c$ `+ s. R
( j + 1)
4 |5 ]* c- a8 L- z$ {$ q]5 E, M' N8 L1 m. J7 Z
let k 3
( b" E- F/ U+ V3 }* Flet power 0
$ P0 \4 `' p" d; z) m$ B: Hlet local 0
7 X7 t, U7 C. d* l7 J% i' }while [k <[trade-record-one-len] of myself]' ^8 h7 F3 t# q7 T. \8 `, s
[ o. A4 {$ F5 B. ?! M* q" Y
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)
3 ]% R; R+ S3 w+ t6 hset k (k + 1)
O. g) Z/ M, J]
3 L0 {% `- l/ iset [local-reputation] of myself (local)
: j8 F$ b9 r9 h' X9 a3 Fend
( X' r$ ~$ u( ]
9 k4 U! L4 z* q: q* Mto update-neighbor-total/ F; s0 `0 v% B/ }
1 s1 e) d% e2 P, j" ~& _+ pif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
1 n+ n/ m0 q3 \3 c2 Z& x
4 P- H; U' K8 b+ [% f( b7 z- K# v: `/ Q
end& ?' F- W0 q! r. d# Q1 Z3 q' W
) w9 A: {2 f( h! F k
to update-credibility-ijl ; [2 `* e4 f) M& u: s# R
# i0 `- I! i7 }/ O" G+ M;;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。" H) V( ]9 J; ]* o
let l 0
* f# ?' N8 P; X) uwhile[ l < people ]
; Y* l* v5 l9 V4 [4 {+ J;;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% p! C$ T: Z0 f. H6 e
[
& \% E" V2 b4 @3 e: o+ D" {! Glet trade-record-one-j-l-len length item l ([trade-record-all] of customer)# ~' k9 E# k! B) Y" S
if (trade-record-one-j-l-len > 3)$ P) K. _7 I1 P h- T7 W3 s
[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
0 K* k3 U. T; p# j3 @let i 39 Z; j3 V0 }5 |1 s. {
let sum-time 0
1 N) y1 f* u$ k$ q1 i* _4 [* z8 u ~while[i < trade-record-one-len]+ _' e I9 Z* d4 Z, B
[3 A& K) I6 n( m; x5 }+ Q$ e
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ); ^5 j0 n) H% F3 p
set i* H; z! u8 ~9 t8 q- s+ P# n
( i + 1)9 s d) X6 v7 y- t" H/ o5 v% l# M
]
, R: t. |3 j% e3 xlet credibility-i-j-l 0, X3 `9 P2 H1 [' ^) J2 a
;;i评价(j对jl的评价)
9 W/ l( ^3 P% s- [# Blet j 3
! r2 t$ w9 ?; W6 I9 ~3 F- U7 Dlet k 4
# G& X/ I3 \' P# y- C7 `- f& g! uwhile[j < trade-record-one-len]4 l2 p6 w1 [% i& _3 O
[0 Y3 l7 g2 O& C
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
, A. j* T+ a" k, O$ U/ m- `* Zset 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)
8 N3 @) z' u3 T7 F% g4 eset j
, D# `6 J" Z1 m0 }( j + 1)
/ K: a5 m- G# e( B0 g" h$ E: I]8 Q \, n* Q4 k; }" Q0 f: k
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 ))
3 u. ?& J' j" k3 Z- O5 n( s- i& P8 c' O' a* t7 Q
! I' c' Z+ S4 { |7 P) Wlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
. x2 I2 N' d" M0 g# e( g;;及时更新i对l的评价质量的评价
2 _$ h. Y+ [; x- Yset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]* O" j8 ~5 c( r' b; _
set l (l + 1)6 h/ `7 `2 x; n7 b6 c, g
]
) L% ?5 J& a) I& R% Z2 @: `end+ W( j7 Z) j8 E" O
+ w( [( h: D* H4 K! } F5 w* A8 uto update-credibility-list7 J) y) ~3 `) M* M- V: U1 m
let i 0
! K- y2 j: D% `- N4 l) e- X2 gwhile[i < people]- F) l! Q- b+ i* _+ f
[
" z, H3 ?0 v* b# Q1 m, t( Hlet j 04 }$ v9 M1 |3 Q8 o- @
let note 0
! D# w" j# P' y% rlet k 0! v8 I& H; p- {% v g( `2 R
;;计作出过评价的邻居节点的数目5 {/ S5 _3 I/ c8 v% l
while[j < people]
. [$ y( b Z ?$ _; L[
& k% j9 s3 U. Z n( ]2 ~if (item j( [credibility] of turtle (i + 1)) != -1)
% [ i% Z+ D% H" [' Y;;判断是否给本turtle的评价质量做出过评价的节点" q. g+ ^6 Q6 S j& x
[set note (note + item j ([credibility]of turtle (i + 1)))
0 A! r+ N7 v! X;;*(exp (-(people - 2)))/(people - 2))]
h% k- }1 t( l2 N4 R6 i8 B9 T; Fset k (k + 1)( K& T V! ]+ X- v1 w1 A
]% r1 R8 Y: K( U j0 E
set j (j + 1)
7 X j$ _) S. d+ q/ Y]
" f) r; P+ y+ v0 c- x+ rset note (note *(exp (- (1 / k)))/ k)
2 P* D* T Q) v( t5 Nset credibility-list (replace-item i credibility-list note)& N7 N+ g, L8 T6 B$ O0 D
set i (i + 1)* P) |: w5 h6 L+ O1 a
]
6 n- x- \4 x& Z, r0 \3 Tend
& L0 r0 q: g# z& |, B2 N H- @0 _% c) t% j% u$ K
to update-global-reputation-list Q; K. V& W: E9 P7 l5 S& X7 r
let j 0: x& h8 Z. k( L/ f: u* O
while[j < people]
# [ o9 X& _) J' x6 M) k[
+ u& Z. R- y4 r* {: jlet new 0
) o4 B7 S; g, D( T' Y) l;;暂存新的一个全局声誉
2 C2 @ u G: X2 @( l: V( Vlet i 0
- D- N! o! j) I: m' O7 U0 \let sum-money 08 u7 V; W& E3 b8 E9 t0 h
let credibility-money 0
6 C4 o4 H" M0 `8 X7 T0 q% i2 d& Fwhile [i < people]
i$ W& z. [( v, u+ f4 l[# H2 i ~0 M8 T: O4 g$ G: F
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
$ ?9 U, s. y/ eset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
1 [' S4 r) }1 _set i (i + 1) w' l) a+ p) K: v& s5 x3 R0 o
]* t: d7 l( z, T' g1 V- `
let k 0
1 X5 u( v& p& E) c( N5 f! mlet new1 0
' I. X6 D; {0 c' Z7 S. Qwhile [k < people]+ y, B3 v# a8 q& W) ]/ P! O
[
% e5 p" N/ R: c% rset 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)
) G, p( w! X( ^set k (k + 1)
3 c4 A# ]) ^; \" T]
( O0 p* f- d: q9 lset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
6 U o! u5 L- l( z5 v+ wset global-reputation-list (replace-item j global-reputation-list new)
/ p# ]* L1 d* \2 ]. ?3 N1 N' \set j (j + 1)% R# u7 i; ?3 y$ \, H' y- p
]
1 |+ a- z$ c- `+ B0 xend
7 O$ T6 x! |/ L# e% H- O$ c5 }/ F0 X$ G7 ?3 X6 Y+ O1 u$ i
+ i* u3 o. h; ]6 T
: b2 \! w7 j6 l+ f# y7 r) pto get-color
: R' O% r) W, ]% q* E" R
- }7 Q/ G8 n# H$ o& c: L; eset color blue
. S) g$ Y+ z2 M b: Z; L# hend
* D- t! P" @1 d2 J5 q1 [$ K) p% n5 f% r
to poll-class4 L# J4 p0 }) p/ ~ m4 W8 _
end
+ r% r0 d! V" _% ?5 _7 K+ t* t' |/ i- e3 b
to setup-plot1
2 _, j3 i, o+ y$ N l7 E6 d/ z1 J& X; N
set-current-plot "Trends-of-Local-reputation"" M) s& U1 ?. s$ J% s
* w# C; z1 a$ _; x( ?6 J! [
set-plot-x-range 0 xmax
7 F+ R" H5 O; F4 r& @( Z1 @- Y( y( w" J$ s/ k) I
set-plot-y-range 0.0 ymax
* x2 w# g! K/ z+ ~end( N' H2 a5 r2 S7 [# d, ?
& U, I: M G e( b; k8 U0 i9 A1 O, M
to setup-plot2
# i( X @8 i" Y2 n* u4 [+ m, J, w( `+ K+ b- z! s+ \9 i
set-current-plot "Trends-of-global-reputation"7 T4 k+ T/ a; v9 o
" ?" B3 a; G+ h8 l" |: T( b8 \
set-plot-x-range 0 xmax# } b1 c2 m/ c- g+ a6 ~
( [) p, B& w1 c; Z. h8 M" S6 Y: Vset-plot-y-range 0.0 ymax- k( t h I4 t: K8 R/ t
end1 f+ X R0 w! Y: c& s/ i
, A& k7 }) ]1 z. x9 mto setup-plot3! @$ `- ?9 l+ a2 o2 u9 |
5 B9 {3 C8 o; b
set-current-plot "Trends-of-credibility"6 v0 m& Q+ A7 P. V% V
' @ m7 r3 C7 {% t" M" E' l' v9 c S. }set-plot-x-range 0 xmax
; I ]# M- ^* @- Q
, j6 ~; s1 @, ?- }. z8 b( |" }$ k1 Nset-plot-y-range 0.0 ymax3 P2 U |6 f* i+ }
end
# g7 @8 O3 d. Y
) O8 s4 K8 q. M Ito do-plots
& q3 l0 r1 `7 b' Z) L( B; \. dset-current-plot "Trends-of-Local-reputation"3 w0 O- p9 n! K. C; V. O
set-current-plot-pen "Honest service"5 q9 |+ q6 s# t. X$ p, u2 ?. u5 o
end
) p6 B8 U' o$ ]1 a( W3 N
+ @# X: C9 U6 {; m+ x; \# }4 i[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|