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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
: s# g3 u3 K$ M+ t+ Dglobals[* H. P* g9 R6 c! d8 h" a
xmax- V7 R6 s2 D: T+ o5 d
ymax- B( I: K. v. o9 ^! x. b" s: w1 g* O/ C
global-reputation-list' V' T) o% j7 H f5 V0 P, Y9 V3 t
3 w( J5 s8 H% r' c
;;每一个turtle的全局声誉都存在此LIST中5 [, h; X' y* W
credibility-list i) ?" Z0 B6 `# b6 ]+ G; D1 g" r$ o1 v
;;每一个turtle的评价可信度
8 C9 l" H6 t( V* \6 R% k' v% ]/ Vhonest-service
0 z4 [1 c9 @9 v2 E0 a) dunhonest-service
- r# u6 u8 }! R, p: \+ X" X! m/ Poscillation
$ A! }' O" g5 F( A7 l" y4 v# }( Srand-dynamic
" X) `! y$ U( D. _& i]
9 x( r$ X; l, ?+ x) M6 ?0 T) J
) }( h- q0 ~7 vturtles-own[
7 G* E; T& e: F( R) J% ~4 ?2 Htrade-record-all
4 h7 D5 K6 U. j8 d) R5 z/ ^! p;;a list of lists,由trade-record-one组成/ j4 j& ]- L+ Z7 o7 s
trade-record-one
3 x8 V- O, U0 M5 h' ~% P+ Y;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
* D2 Q+ E6 i4 _6 h( C0 h4 b4 @- M) M+ }- m
;;[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]]
9 {7 \8 J! L8 v0 M, J& o' k6 L4 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]
7 t$ f' w' G# t5 c0 @. c) k! g. q' A" Mcredibility-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
+ u0 e! V) e" J; j: p+ Z- Z$ E# zneighbor-total
% \+ j0 Q9 G) u: H1 _0 A;;记录该turtle的邻居节点的数目2 k/ D* l7 F8 d' b, \. V J
trade-time$ i9 [, {9 _, F: N! q% @, N6 V
;;当前发生交易的turtle的交易时间
) x @ _ [6 \8 l: Z, G0 E% uappraise-give
1 M, G* Q8 R% J; q+ e. k5 @ k;;当前发生交易时给出的评价) h) U# x& B9 T1 X) u3 {
appraise-receive! T# _8 @9 I' Y5 w' C' x. H
;;当前发生交易时收到的评价* n( W! f5 o1 S1 K q. F
appraise-time3 r' q) [# K% ?. D5 x
;;当前发生交易时的评价时间! S+ a, @$ Q/ ~+ v1 J
local-reputation-now;;此次交易后相对于对方turtle的局部声誉: n7 M7 V5 T( e* K' T2 L" v
trade-times-total( m) ~6 T8 a8 G8 Q
;;与当前turtle的交易总次数. ~7 i4 |4 j" w) E( f8 t# F: ?
trade-money-total
5 ]: |4 n: ^3 j8 U2 U% K \( D. y;;与当前turtle的交易总金额8 f9 y) E( A& i( U* p" t
local-reputation4 O+ U& R1 g. o+ z
global-reputation
! B+ D2 v: z! V5 R! K. U3 ~credibility' `. T" r" P9 O6 S& J6 e
;;评价可信度,每次交易后都需要更新
9 t2 N3 I2 [$ k$ g/ T4 j( ucredibility-all
* |2 _7 I* @: x. W; 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
2 n! v q1 z4 n4 k3 w8 H4 q
1 K$ I8 w2 L- p9 L5 V5 E0 e6 ^# c;;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
$ @0 o# _$ y% Pcredibility-one
9 ^ @# q: C# P, G" [;;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
! E/ S+ w: S' K pglobal-proportion
; Q" t. x4 R ]7 y$ ^' ]customer
* I& }; q3 G1 G; `! scustomer-no
! v" z# _8 m( ?, K8 K/ u. _trust-ok
& H; y7 N2 i; ^3 O2 I" _, Rtrade-record-one-len;;trade-record-one的长度+ F" s' C0 n& i6 D
]
! M$ t7 y6 S- h) f5 d6 `
# E* ^: x- V7 ?;;setup procedure2 I' g" b c- u# o# E% T" y- G m
1 Q0 W" Y0 C, Q. c/ Mto setup- Q& {, k* i+ w9 X7 g
: o% v( d. k, Q. d, a9 l- X* z
ca9 T3 k5 }& Z0 f/ b
8 H+ i$ s% G. @5 _5 @3 a. sinitialize-settings) I: {1 M: X! ? s% f' M1 i
. |4 t6 c6 B3 A& _9 [4 I8 p
crt people [setup-turtles]
5 } H: b7 O. b$ O y7 T7 s3 g/ u7 r( Z( A8 D: _
reset-timer1 N- j' [# I A5 f7 u
2 ~5 B+ |$ [( ]9 m$ qpoll-class
2 G0 K6 C# o( p: Z
8 {2 s; @* l& U/ C; z( Tsetup-plots
8 p- W+ V0 k9 H
- ~; @* q) i, R, }do-plots) w" {9 p3 F# }
end, J8 z8 \8 _ B+ R d
|. v; e$ O; C; `
to initialize-settings( c$ `! N/ w6 A, |9 K
, D6 _4 i1 n0 P2 T& Tset global-reputation-list []! P' @+ J8 s. `2 I* m% Z
0 ?+ t4 Q* Q9 ?, S$ E6 ]. Cset credibility-list n-values people [0.5]
4 D6 W7 R5 T# ^) Z
: A% c( x6 b& hset honest-service 0/ w2 z4 N( d( P, p4 X8 ? B+ d, H
, w: P, Y8 ^/ q/ eset unhonest-service 0
& {- C0 |$ u4 q( z$ ~( `7 V" f. Y! [7 ^, C) g6 Z% p# {- E
set oscillation 0
/ X* w1 U$ W& O W! p0 b
. K) }3 w" k9 t2 ]set rand-dynamic 08 [- v! e7 a* F# R
end
& d+ c* \3 j% w& Z8 `+ _4 }( H7 X- J7 B, D
to setup-turtles 1 t5 R0 _- `7 A
set shape "person") a1 F1 a) a5 h& W* X9 C
setxy random-xcor random-ycor
# j, G& a1 Z* u5 p+ qset trade-record-one []) c z1 S3 }. [ z
, {( z$ A- L4 ?5 W; l0 K
set trade-record-all n-values people [(list (? + 1) 0 0)] ( C/ n j/ k5 F) |5 `* a
) u2 R4 Q- H: H9 _) |4 I& Q# C, E
set trade-record-current []5 i! c# J. r: g7 S8 S
set credibility-receive []) z8 k* x. c1 N) ]4 M2 w5 {
set local-reputation 0.5
( E ^- F Q9 G8 a4 Q) Z" R8 bset neighbor-total 0
q0 U/ `; G* _. p X: M0 Nset trade-times-total 0
- E0 f, E7 f! B% C( D, y1 Nset trade-money-total 0/ ]- a' f' A( g1 H
set customer nobody
( I9 L8 t6 o: _) Dset credibility-all n-values people [creat-credibility], [0 }+ K) r( q" R E% L# U
set credibility n-values people [-1]4 G5 q) s* A! a2 H8 |8 x
get-color5 e2 P. |. m' | Z
- x ?9 U; A. E, z+ xend
9 h, x1 O4 d- C7 W; R) a, u o6 i( e, Q7 a5 Z; z( | C
to-report creat-credibility, S& L. |7 ^# p3 d8 k- }
report n-values people [0.5]
5 T- Z) O, o( a \* B! \" t1 Z. Qend
0 w, A1 P2 s& t4 g: X7 P" p5 G+ J& V- v# m
to setup-plots
* {/ L+ C" J; V% c3 [9 n( o5 ^2 `3 o6 t& m! r0 Y" {9 D8 x
set xmax 30+ f7 }( g4 M, J+ d! x3 }" q
: z) {! l: V" ^, o( s
set ymax 1.0; `; U' t# k$ Q3 @* d) h
8 Z- z9 P z& y+ I' _/ V1 |
clear-all-plots! l0 j# s' Z4 F6 |6 p$ U. h0 U
5 [- ]/ S8 q! S- ysetup-plot1
2 y s2 m# C! |$ d( {9 ~' R- J
+ n% X* W4 c9 \. b/ ysetup-plot25 G( e2 H- r) j0 g1 @
* B) k+ a7 \+ A' N2 Lsetup-plot3
; t3 G! s r( p! U; P7 Hend
2 }# O* m( k j/ _5 A/ W
8 J" |, ]+ `; X* P$ l$ V;;run time procedures
) J a* k6 }" [; \/ D# N
0 i8 g- C* d2 Hto go, A4 a6 o; E" }1 i- x- G- `
( X0 R- U, G9 R& ]0 `
ask turtles [do-business]
9 k* o2 Z9 B+ M# P" g( Qend: f {0 F" Z2 h: F: `
# Q2 x% f5 v0 M/ j
to do-business ' B% b3 G/ k! ?' Q
, B% R8 L1 M6 T$ ]# d0 R
& s9 R7 w/ E J* G) Y
rt random 360$ b( z; @- Q W) u8 ]( o( T
7 c7 @8 I2 _" l$ R7 I+ Wfd 1
: z1 p6 F+ H# U) `4 w0 }& B' S4 a4 B! {6 p( R$ S+ Z
ifelse(other turtles-here != nobody)[
u% T) Q; z# }- x, c n) r' s0 M0 {( P+ P0 ]
set customer one-of other turtles-here1 n) n4 }7 T! }, e2 Q J$ T. {: r
) f! c2 |4 @6 c) a+ v
;; set [customer] of customer myself1 U* P4 ^- Y% y6 R4 J/ f ^
" k Z. f& W4 B% o9 u& V* v' jset [trade-record-one] of self item (([who] of customer) - 1), n. |( I7 [2 @% \8 M& }+ R# M
[trade-record-all]of self
4 v! ~: m2 j9 k;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
b& n' G( X; T6 y) ]4 u" [0 T: _% o& x" J- w, e
set [trade-record-one] of customer item (([who] of self) - 1)
* L8 h8 x* B( `( K[trade-record-all]of customer
, d* P) M9 q+ W$ z/ s9 a8 o9 S4 M) m3 d+ r7 j
set [trade-record-one-len] of self length [trade-record-one] of self9 b$ ]. E$ Y4 s$ P1 w
( W0 Y" s0 l) c- P4 ]9 mset trade-record-current( list (timer) (random money-upper-limit)); p) M2 P0 n- W
( _4 C1 ^, v8 e' C F
ask self [do-trust] X# h) ?+ ^. q4 L
;;先求i对j的信任度* D$ [; Y% ~7 a8 i# n0 v4 U) x% h
6 p+ {8 Q. \* r7 Hif ([trust-ok] of self)
& A, k5 p9 I- _5 F3 b;;根据i对j的信任度来决定是否与j进行交易[5 ?, N" g7 W/ @) `7 r6 }
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
; q% L' w3 ?' [3 X# L+ A1 |) m: G0 I, K5 M2 [; [: s0 s/ m
[, u! ?) N) T! h+ z
: g" `% \# P: O: P
do-trade
i! C |' t( E* A0 @4 j# ?1 m. }$ `, }- X5 N0 v
update-credibility-ijl
) K. ~) B- `# E5 u3 ]: ^
5 i4 y5 v0 w4 J3 ?" k& ~update-credibility-list+ c. A2 `1 h* E, ^* q
( N) c i$ T8 o M
# c7 q5 i) x% e. D
update-global-reputation-list6 I% r" N t( C' `# r
, k# x; K6 a" {
poll-class* r+ p" X% j1 G; {
9 d. L) ?* `4 ~get-color
: F& m! W$ x- w8 A0 B# ^6 N; ` |- ^3 w# L, U* {: R! c
]]% \: r6 U9 _1 {0 L5 z y L% w
4 X. b: _" K" p6 M;;如果所得的信任度满足条件,则进行交易$ |+ l! r) a2 z, {8 |$ D
. `/ |; k+ h5 t7 j- M" c+ w
[
+ o3 `; r) l. q: q0 W- w! w ^" f* @" {2 z/ P. r0 Z9 T3 t G
rt random 3607 {- K8 h2 }' e
2 W ^* s2 l$ l7 g& ofd 17 _& I% G' i/ y5 `/ v! h
( I. p. {# K5 h4 g
]6 y; ~+ n, c) z3 j
$ U: f: b3 m- q: s$ {: M/ M- N4 N) M' i6 A
end
6 E% s6 [; N9 N
6 q9 _" Q/ ~$ y* |- j+ k$ ? ?9 pto do-trust
t) R) }- Z! O* zset trust-ok False9 l) k! D9 }+ P
/ l: o0 W$ d% A8 `& u5 V. _+ N+ E0 u, R6 M
let max-trade-times 0
. |; v& ?0 r6 n3 Q4 xforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
2 s2 a0 w! m J ]2 f. u5 V+ mlet max-trade-money 0
3 ~8 n8 K; u; P7 aforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
; I; P- g5 S6 ^let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)) |7 z+ n! d( _- o) G B
/ K4 L6 G& ]) {$ ~+ V7 l
5 L$ f" D) n( W- \
get-global-proportion% s$ g6 n5 k+ X4 V: \
let trust-value
* |8 B, O* O* C q: V% plocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
; V& c6 Z; t$ s& q0 l8 Gif(trust-value > trade-trust-value)
& G6 x: D1 G2 ]& b) q- d[set trust-ok true]1 `/ f9 U* u1 R/ e$ `
end7 x) F: j4 I0 g! U( p. Y
; r' L9 n, t- |9 p
to get-global-proportion
7 @; A# p4 h/ X c: Qifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
?; A& A( B6 O0 s+ U[set global-proportion 0]4 Q0 v. p! \) ]( p2 \* z
[let i 0) O E$ b9 x+ K# J( C
let sum-money 0' e" b5 ~( ?2 e2 I- S {
while[ i < people]
2 G% a9 |/ Y; Q. l" L[
) I* ?- Q7 h- P7 d2 L. V% Pif( length (item i6 Y3 U. M$ _9 ^3 ~3 [
[trade-record-all] of customer) > 3 )
3 c9 g- s& A7 U+ c8 d4 z[
! J/ x1 {; A% ~* e7 K& u* Uset sum-money (sum-money + item 2(item i [trade-record-all] of myself))1 ]3 ^: n: R8 t5 c0 x3 t. u
]
8 a. j8 X2 |9 i# \]% L% X3 G8 O+ k$ b. a
let j 0
5 h! u* H: h% u4 q4 ]) |4 qlet note 0
, }# B! v' |% F" `1 W* V) B" iwhile[ j < people]
B1 y, T" U2 i+ V' a[
& x% N8 z, j/ j( b: Z( F hif( length (item i/ h Y$ p. u# T8 E8 r" I# M2 `
[trade-record-all] of customer) > 3 )2 [5 S% y8 U" K" G/ }# }. h/ ~! G
[
4 i5 U$ Q( D6 Y# X9 t2 d( Jifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
3 W- w' N+ I7 D1 R9 u! S[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]6 t) j" t* `+ X0 N* Q, X- x
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
6 Z0 W: _' e2 z. ~: T]* P7 ?$ A# k8 N7 e/ s
]
* N/ L- G& p8 I( Uset global-proportion note3 R5 t5 Q8 b7 R* B
]
n, n1 b1 [! s: lend6 ` f! { C/ N! A8 M( m. C; u' A4 ]" A
6 @; w* w" D" r3 }# D; A+ \to do-trade- Z1 w; w! S7 U x/ d7 S B
;;这个过程实际上是给双方作出评价的过程) D0 y+ G4 y& r! ]( B L9 k0 u
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
2 ?$ ^( k- k0 g# yset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
: t {5 r6 J; g- T( S* K+ dset trade-record-current lput(timer) trade-record-current% ^1 u( _0 ^( F. d) b& u
;;评价时间9 l( p7 Y0 L$ Y5 t- x2 ?) s' F7 q" m
ask myself [/ ]) C3 `4 b: @3 m5 m
update-local-reputation! f7 B) B5 B( q& }1 Y
set trade-record-current lput([local-reputation] of myself) trade-record-current6 m9 j- X) g. V2 e# h" y( {( p! U5 A
]
o* S. Y+ t; F9 E. k0 T' C( _1 oset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
* x9 \& B" P9 \5 B* U;;将此次交易的记录加入到trade-record-one中* V# V: H1 k. {* E2 u+ z
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)& K3 L( I M* O- G
let note (item 2 trade-record-current )
8 l9 t7 a H8 M/ B( wset trade-record-current
) K s1 e1 t& n# B$ \* x" g4 A(replace-item 2 trade-record-current (item 3 trade-record-current))
. c. w, X4 J* |2 E( yset trade-record-current6 I- }' y, ?9 D+ G" `
(replace-item 3 trade-record-current note); @& K6 G2 v F0 g9 u
" y$ C. D7 G& I- w
! ?! m. q B) G/ c' ?& o' V; Nask customer [) w# i4 i" G. p) g( U
update-local-reputation
" q" J& p( t# }" Y. y7 S+ Nset trade-record-current
; o9 B) s( n+ B# E# e. o(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 9 \' U% S& a9 A2 U, }/ H' S2 ?. z
]
$ K0 [9 z! ?8 C% }$ F5 h$ }, r" a0 F8 n- y) b1 e) R
( ^: `8 h) u2 l8 Z6 A4 J
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer9 S3 f8 s8 t- Q) |( r# m+ x
* I- R! W& u& L" Sset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))5 }4 K# ?- W& D6 [' h9 j- ?- u9 n$ L1 b4 k
;;将此次交易的记录加入到customer的trade-record-all中3 z; h# L- ]( n! k! b
end* d, L3 Y0 i* p
! H( g* b3 Y3 x2 {6 U8 l2 g: U
to update-local-reputation+ z6 F* R N# P- X8 v1 I) C& z
set [trade-record-one-len] of myself length [trade-record-one] of myself- G. I2 p5 T: O% G' v
9 p2 t& i+ n6 M# U9 K1 k0 G! S# p1 {( T
;;if [trade-record-one-len] of myself > 3 ; d' a( H9 H/ Q7 Q2 |3 g1 B3 U
update-neighbor-total" z# u* K- m Z) B* i) R+ @( @; p
;;更新邻居节点的数目,在此进行
+ d4 g9 I% K- B5 glet i 3
* F9 ?* H3 G! G& U8 `let sum-time 0! p5 `: k" w5 T- M$ y+ P
while[i < [trade-record-one-len] of myself]$ |' U: S, D' E# a
[ U7 z% l" F8 t% U/ d
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
( z" { C6 d+ P# T x: ]set i: q( m) e. s" K8 l* x" D& b
( i + 1)
$ \! R8 Y5 A2 p4 {+ U] r$ J( L3 n1 p$ o; Z3 s
let j 35 ]3 i6 ?. D7 D9 x3 G! S
let sum-money 00 c9 I7 H: O, v' F. T* C1 c
while[j < [trade-record-one-len] of myself]
3 |- @) O7 }" }4 z, t[* t2 C s3 s1 Z m- L
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)6 q/ T. P% K8 k) x" u0 n, X+ s
set j1 W; }6 ?3 s( B8 V0 E6 M
( j + 1)7 q* x! C) u# l5 P$ \, w U6 c
]
. H" k A* }. \let k 32 ~5 E& T9 O# S9 ~
let power 0" A0 ]4 t8 l+ s" {) e! \! T0 D9 n
let local 0
2 N. _6 u6 F1 P1 X: z( X mwhile [k <[trade-record-one-len] of myself]* e( P- j9 y! e# w; L' p
[: a' Q" P1 |, V. u9 H9 I1 n$ p
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) ) Q& u" v+ y* u* K* J
set k (k + 1)/ w& Z; l' e5 p2 T/ x7 X
]+ r$ E2 Q8 j* W5 b# a6 _7 W7 y) `2 d
set [local-reputation] of myself (local)
) b* R2 r+ y$ c/ Z8 M* D$ hend
% _; r8 L! h% p4 H6 ]; h3 B. {2 o( R: w! I8 H5 U* u" C; T
to update-neighbor-total
- E9 H+ C& B7 x; ]4 Y5 s
8 U$ ^2 v+ O" _5 O: l" q. xif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
# N) K7 f6 `! ~; E: W; D" v* J$ `' Z- u
& E2 b x" p) I" Y1 j2 Dend/ A3 {/ I, F! n; [( m, S
) n/ {$ ~: Q% C" G# [to update-credibility-ijl 2 T4 X: Z2 t0 f* g* H- R+ a
# w$ U6 U2 y" w;;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。
$ M7 K: c. t# e/ @, rlet l 0
, q+ ]5 {% w; ywhile[ l < people ]: T4 M: Z1 P8 u- H
;;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+ b+ e* L" Y- ^+ L
[$ r3 v) ~ @$ |
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
4 v8 h, j& j; y: b' C7 tif (trade-record-one-j-l-len > 3)
- N! l: S& H1 f& Z% U* ^8 w2 G9 V/ e[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
* b& B9 j2 l% l) ^# U- m+ Z* tlet i 3! }4 h L& P1 c' s# E8 t
let sum-time 0* I/ p9 }0 N5 i% O& ]
while[i < trade-record-one-len]2 f# @. D B4 k Q2 [
[
+ o( {8 w% L: M' \+ O( Eset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ): f: m$ T( t# R4 I% z5 {3 n
set i# H2 _4 E- k" r2 r+ u
( i + 1)
1 g$ n$ A; k4 v9 ~+ L- M]- r, ~9 \) q7 W7 }8 E. C4 \
let credibility-i-j-l 0, j; A/ t1 t, h4 ?3 [- l
;;i评价(j对jl的评价) e% p# P. L* v# }* A& b. }
let j 3+ Y( o3 }; b. e/ o
let k 4" }, `3 o z! ]; F) i- X' i
while[j < trade-record-one-len]
) h9 h1 n8 W/ P4 i8 G0 g[% A4 F o& h( V2 u# R$ [$ i
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
/ l0 N1 G1 f5 D7 x2 Y& r* X gset 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)( l* C% }: S+ H, g1 X% V
set j
0 V4 e- Y) l, n( A& R T( j + 1)
( S( [' ^3 D$ S5 K, n1 C]( A1 O; z7 o; C' f
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 ))
7 G0 D% [; l/ L2 h/ |2 f' }3 v* n; ?0 o
! B* K% [' z1 K* t+ Slet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))9 x& B4 \! h5 d( N
;;及时更新i对l的评价质量的评价+ N5 f/ @( ?5 b$ d: N
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]! R" @, F/ T9 q4 o: [
set l (l + 1)
7 N7 f. z9 C2 l* t8 A( K1 l]
; Y! o' q) q, S" Q2 aend
+ _& x% B, v" u3 N# a Z; B
* [2 f* T( @2 X! |" Jto update-credibility-list: w9 E* m) \: ^! m& u% ^
let i 01 I0 V0 I I3 P) U7 b
while[i < people]1 R: y/ i: a3 M2 F- h
[* ^/ i" D6 p, X# F- p
let j 0
l/ @! |3 `5 o$ Q, zlet note 0* t! T5 p! W! {: M* K
let k 01 T) U1 X5 W' N: L; o( W
;;计作出过评价的邻居节点的数目
/ o# ~: T1 {/ C0 v: N) n' b0 @ ]while[j < people], C$ P! b9 `/ a7 } a" T
[
" y& b8 _: W W5 l3 dif (item j( [credibility] of turtle (i + 1)) != -1)
# n( f: W/ s; ~;;判断是否给本turtle的评价质量做出过评价的节点6 K+ J8 J3 n" m) |3 l, k( a
[set note (note + item j ([credibility]of turtle (i + 1)))9 g6 P/ x# ?. I% r+ F7 c
;;*(exp (-(people - 2)))/(people - 2))]- t1 B, x- ~9 R+ u
set k (k + 1)
' J# M- Y$ z) \& v) j' L]
: ]6 s- T( Q& c" b0 }% ], W0 Dset j (j + 1)6 u5 T' @, Z/ U6 S
]
+ P! H, |8 e7 G( M8 ~set note (note *(exp (- (1 / k)))/ k)
! B9 L- @1 N9 g: L0 ?( q) w$ x7 Wset credibility-list (replace-item i credibility-list note)
+ S1 p. m( u5 Nset i (i + 1)
2 f4 Y) S% \7 o" Y" T5 A]( E4 L- m& h4 O& L6 @. I" t
end
/ X( G8 V0 [& q; d2 v: _" a
1 f+ q# P/ m+ ]4 Cto update-global-reputation-list
3 R8 j7 c& n1 ?: H3 l! ~let j 0
( A7 d8 `) f2 m8 }9 c/ T6 C- rwhile[j < people], a0 ~7 s" V( {
[8 M: ~6 e! \9 q+ v& N) J6 ?6 ]: Y
let new 0: L% g @( B' E/ t. b A
;;暂存新的一个全局声誉; Z1 b ? E2 ^ {# A
let i 0! [* |1 ^* Z* d. T0 |
let sum-money 0
2 y/ `; Z& L: u c" ilet credibility-money 0- M! Z( z5 ?' r) o l
while [i < people]
6 W( c& ~, ]6 y; Q* Z e2 Y6 H[9 {& F! X, u3 M# W" r
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
( \% d- `8 _ N ?0 A# {set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))3 f3 B* `6 u3 p
set i (i + 1)' l" j1 j5 d5 N- k' J
]
1 f# i" {0 Y& M* m( X S* S1 qlet k 0
- v& Y" i! ?5 Rlet new1 0
8 F* y: M9 L: r" o4 Bwhile [k < people]
U4 F B: Q1 e7 r- |: J m[
\+ h/ D+ d% p1 X) zset 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), [0 Y; j3 ]* t% B
set k (k + 1)
3 y$ t: C* a( q+ c3 w]) G5 I7 }; G5 Q
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 6 ?5 w6 t4 X! {0 d+ f( U. A
set global-reputation-list (replace-item j global-reputation-list new)9 \4 a& M+ L4 ]# G
set j (j + 1)
2 R1 u$ {9 j/ c) d/ ~]
# `3 V2 o3 E% ^+ v( C. P. Pend4 { `( v# |, Y: Y( i
/ W$ {( T: S/ m0 i, {1 `4 m( P( j p4 `$ A: T N# n
) a# O0 ~( ~; K( E* J) { ?
to get-color% I; H& e$ R' B
4 T/ Z: l- ]8 dset color blue
7 K& g4 n2 d- t; P3 ?( n: [8 cend
' R- ^* r6 o/ X. B3 N; p. I1 q) Y& v! `' @: C
to poll-class2 h2 ?# T% G# W6 n" H( z
end2 i+ e0 j5 i4 v: T9 p
+ r1 [ @9 `* z/ I! K
to setup-plot17 R- a1 |% Q( ?3 E
7 e. ~: W1 ^& w1 o2 Y
set-current-plot "Trends-of-Local-reputation"8 p2 \; z" ]* {5 Y% z4 C
, d% r- w! }$ g% R, v" d6 k
set-plot-x-range 0 xmax! F+ p6 I! k! p" A% f* L+ v
/ r+ S) z) j; j( C
set-plot-y-range 0.0 ymax
; G1 [, f# a7 [. q6 q5 mend: b# Q; p7 ]* R. T+ b1 ^
y# Y+ @0 I9 a1 R* s+ R" K2 h
to setup-plot2
" T& }2 s! z5 e% n. Q
4 }# w1 v1 m( R( ]( V h2 e/ U+ r6 X% Uset-current-plot "Trends-of-global-reputation"
, M1 E% }+ x, B1 U2 \6 h) G/ S( j5 A$ S5 `* W
set-plot-x-range 0 xmax1 S9 r% Y$ v& q0 Y1 A
3 x: l9 l* S' J) ]) H1 T! P
set-plot-y-range 0.0 ymax
% w$ o: K! {. h6 cend2 h9 |. N! T* E/ g3 x* `
% ?: _" W' V. F; `to setup-plot37 p4 ~9 S2 H8 u2 y# ^* ^' j
* q6 i- E; B! P; ^; K% A7 r
set-current-plot "Trends-of-credibility"0 s& c/ P) i& y
; q3 R! S5 z, i/ n! jset-plot-x-range 0 xmax- l, S! z" X" {! c- O! O
0 s7 v4 T. S; c. e; ~
set-plot-y-range 0.0 ymax) \2 a5 J) [( M7 M5 [
end
( e8 U+ k7 B8 s& @. N1 K6 x2 e5 k q. I0 N. Z- X, e/ g( X
to do-plots
. B3 Q0 I0 h& e) p: _. Y, ?6 Bset-current-plot "Trends-of-Local-reputation"
) O. \4 Z1 Y: f2 L" ~( T, Zset-current-plot-pen "Honest service"1 k7 j; e S: ^
end
* i% I1 ~+ s/ l9 i4 M9 o
) z; J; e2 s k' f7 l[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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