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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
8 W! [: \ ^# d& V: i( Tglobals[
4 R" |, [; `) o# n+ Mxmax
7 k. \2 p" ~* D4 d8 mymax
+ H6 R" w, E! m3 ?7 V0 mglobal-reputation-list6 ]/ u- |- R+ x3 K
7 V* @% f+ O+ Q$ t# a
;;每一个turtle的全局声誉都存在此LIST中7 \. u2 S, w" _2 S+ y; T
credibility-list% r3 E' |1 b3 C% ~1 X1 W
;;每一个turtle的评价可信度
8 I2 p, c# B9 }" G& `+ b' B5 xhonest-service
8 V4 W& w# O# N9 L5 O8 P' W- Hunhonest-service: f* B, _5 a1 x" K
oscillation
" T% q. q3 j Mrand-dynamic7 `7 R' C# F( i8 p
]" Y! F. Y6 A1 `* t
! X |2 G4 y6 ^) k7 I( A6 O% G# ?turtles-own[% [- t- s1 U+ C" L2 A
trade-record-all
3 p/ `8 S. K0 f" r7 E4 F6 y4 N2 H;;a list of lists,由trade-record-one组成
) z' E O4 h0 htrade-record-one' c/ Y# |6 ?: 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
5 {+ I% b. }7 O" R
) i# c# f( d; z' \7 v# ]5 D;;[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]]
8 {1 z# @ K0 Mtrade-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]
' e, w2 Y' D' M0 ^( x. B) n# Ncredibility-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
* d8 C4 V. s5 a: s7 N5 Yneighbor-total- G# D/ a' E4 f' ]( O6 p4 T
;;记录该turtle的邻居节点的数目. l! J3 Z8 L: Z) N; m7 b7 F
trade-time: S+ U- P# }( @. y$ q
;;当前发生交易的turtle的交易时间* f- u% B" D, O9 X9 {& S6 d% J
appraise-give7 d, i, N% H4 w( k& P( T
;;当前发生交易时给出的评价
( D7 e, ~# P2 j6 U. E8 Mappraise-receive$ m8 Q& h7 o- W0 A4 x: M7 g- d
;;当前发生交易时收到的评价
5 G. H W3 ?5 T q/ A5 ]1 eappraise-time5 o& D, P) l6 f( S. O! N
;;当前发生交易时的评价时间7 ^8 H( Z- {4 A8 S0 A# ~( f
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
' {5 @% ]) X. _' t) ^" l a5 Gtrade-times-total
) m! v; L2 r( Q' v' h) s;;与当前turtle的交易总次数
( Y: m" H; q$ ^* ttrade-money-total
! m( b4 m, h5 s+ I1 S;;与当前turtle的交易总金额! E( }0 U. m- Z& O( o
local-reputation% |, J6 I2 \- E1 ~( w r `
global-reputation3 J( q$ A$ w( r# ], N
credibility
, H) g8 q. q6 X/ b7 U5 f;;评价可信度,每次交易后都需要更新
% a# X9 D* X+ Y& v) F" a$ ?credibility-all
9 U" X' i6 j$ } g' h;;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" }# Z3 j* S) m+ X4 {4 y9 O$ J
) ?; V' d" o& s( I$ D+ F1 j5 T;;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
- `* M% h+ |) f$ K9 h$ u; Kcredibility-one% M) Y! F J: S) s# n
;;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
7 o' z7 ?5 l8 L! P8 H2 u M$ L Q" kglobal-proportion
8 C2 X0 A+ z7 c6 C: Y0 w: bcustomer# R7 `) x, \* m$ ?0 W
customer-no
5 k. [8 O6 K: u8 u: F8 z/ Ltrust-ok+ _) c# v! Q4 p+ u% V; g7 I! y
trade-record-one-len;;trade-record-one的长度
, H& q/ ^! h: \3 f: ^* Z]8 k [ x: t/ L5 d0 s& c. S
$ z3 d+ g3 G. R6 f5 N0 I
;;setup procedure* q: v- f( o! H* S6 n1 l+ [
. ?* I% L$ t7 y, l3 Y" z, mto setup
" o+ Z" Q% o4 M- @& X& d
6 b: I3 v; P/ Hca
' O7 o$ m _( X0 [9 h+ ?8 J
' c. l6 l! }& Q( z& winitialize-settings
" q2 T% o* A f1 Y# D
$ G4 }! u( u" n3 d* d5 Zcrt people [setup-turtles]
5 R2 Y$ H: u: ?* O
; M% L# ^$ e% Mreset-timer
- Q3 v/ ^: q0 X. {6 |. B0 l: m0 C. f2 S3 O* A9 M6 D
poll-class" j7 O1 d2 |" ?; v
+ i' [; y; Y* u( ]" R3 {, H' \8 U5 Jsetup-plots
# u% q9 x8 w" d! s' B8 H3 y7 D) A
do-plots
& ~7 ~4 ?- T% N. lend, o2 T& V" ^. L$ F' f% t5 N
- T; x! f6 a8 |$ N# s- Wto initialize-settings
1 U. B) a- E' F0 i! w% C m# L# Q" d
set global-reputation-list []
9 o: `# ?3 A- ]% ~4 Q/ z
3 t" T% ]4 s( }. ^$ \& u/ Bset credibility-list n-values people [0.5]
- j& T, c: A; t @! u8 G0 @; I# _( s
set honest-service 02 O) j' ^: f( }% Y8 v3 H
% G: f) R, ~( i+ u3 iset unhonest-service 0
. e# Q/ k1 e8 f p% a
0 `3 l1 q7 D& v2 l" Qset oscillation 03 h1 U6 d) ^6 G( B
; g6 ^$ T* c" y$ f. b
set rand-dynamic 0
H8 D8 z1 B) d+ b* H2 qend
, O9 C3 \$ X+ H% {9 ~: u6 H9 ^2 T( ?& N+ j* _% }3 h
to setup-turtles 5 m8 F/ g. W, Y" m
set shape "person"# |2 }; P% o) o7 B6 C# `
setxy random-xcor random-ycor1 f1 p* H, c" Z, u" |# V
set trade-record-one []
" X! G E! T4 W" |# B# Z3 S
7 Z; I7 N/ I+ p3 t7 c" Rset trade-record-all n-values people [(list (? + 1) 0 0)] % H/ D; N7 F" X& }2 _9 j1 b
7 l: r. I6 k _8 P; v
set trade-record-current []- y: d3 X# q+ ~# B' @ _
set credibility-receive []
1 O! @+ n4 V! n& n1 sset local-reputation 0.5
* C5 q7 C) ?/ }3 Hset neighbor-total 0
) N! n/ x& `8 [, cset trade-times-total 0& P; U) A) Y, u$ O9 m; x& a! ~0 [
set trade-money-total 02 ^: h+ s9 p* l( k2 ^& ^
set customer nobody1 C+ B* `/ X* ^3 a& ^' d" }
set credibility-all n-values people [creat-credibility]
; k2 O( L9 e8 m0 n6 Aset credibility n-values people [-1]& w1 U; p" U& _8 {
get-color; {9 I* I5 Y$ M* ^, U
) b: [* \" O7 r( ]& p# [0 y* G' uend
! A, V+ t6 t' ]! B- {% @0 n; m$ T
7 m' p6 N3 I9 s. [8 o+ zto-report creat-credibility1 n- l# A& \- m1 S. C
report n-values people [0.5]' I# q& @! K& m2 |, j1 s; K5 Z
end
: n7 p- o1 ] _" _2 x7 P, @
/ |9 h) A0 x. W6 z+ H( d8 o: cto setup-plots- F0 x) \( W+ F& e5 o
5 n" F" c8 E# _: u+ T' W8 C) {set xmax 30
# _( R8 [% t7 s5 Y( W( x- K' H' r5 j, F- \8 A3 u2 g
set ymax 1.0
$ \/ x' J% u+ [' V0 S' T
% U. h3 e0 A c3 X: Gclear-all-plots7 d# w2 J" |1 I; ]) I9 \% |% Z n
* u% F0 Q) [* {" o/ S! Ssetup-plot1
4 j* g6 c) U1 E" F9 w/ R, q8 A4 P+ [5 U; u9 v( h
setup-plot2
/ M8 ]8 [" g% o* G6 C- R4 G L; p7 d# _3 F1 V
setup-plot3
: @9 S$ Y9 m$ H. Dend5 U3 W$ o4 Z+ c$ H
% D4 y8 y4 _. F0 i6 B1 W3 d* \;;run time procedures
" @' X0 o, j2 @- a: _
0 b+ b$ m* O0 R5 r3 y% E$ f: Qto go
, J M, x9 ^ j+ z! H; s9 u4 @: P2 l& v; G% C
ask turtles [do-business]0 k2 F) b5 V8 h! s9 B# D% z) G) R( J
end0 J3 C5 o9 t+ i: Q! z* f- ]3 b
3 |5 P3 O. E3 X+ F; v, v/ Tto do-business . M1 g2 F8 Y2 x' m: m1 {
9 \+ N2 T- Z+ s* a$ j" ?- r
, S( u& ]! u3 G1 ^ ?: a' M# L$ G- e9 L5 Wrt random 360
% Z: ]$ y5 V/ t) W# ?" [4 k& u3 K o f9 c4 [
fd 1% y$ p4 a; c$ h: W3 U; D7 I( S
" x) M7 A$ a1 _3 C; x2 N4 m
ifelse(other turtles-here != nobody)[5 g! _$ J0 D+ K6 e
8 } J3 Z8 S, ^( N# c, [0 aset customer one-of other turtles-here( N9 i6 \: @. s; i
- q. B, I/ p9 }4 }- _$ B P;; set [customer] of customer myself
$ y$ _( K7 ]0 \
8 w. V2 t% o7 v, F8 Rset [trade-record-one] of self item (([who] of customer) - 1)1 \6 J; ]- j! E: d/ z9 S7 u, y) s
[trade-record-all]of self
) [9 N; X' y& Q" C$ o;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
P4 P/ O0 j! ?" i7 g/ i
$ f0 c) T: x" }2 e0 I0 Cset [trade-record-one] of customer item (([who] of self) - 1)# c. _6 }+ o& j
[trade-record-all]of customer
3 m {" r0 _1 {. U8 i- m3 y
7 d8 p( R, F& U; f" C9 W, @set [trade-record-one-len] of self length [trade-record-one] of self6 R! b" @$ \$ ] ]) r! [+ c: _' n7 e
$ j, b* P3 H; z9 Z9 Z( Rset trade-record-current( list (timer) (random money-upper-limit))( I; D: `) t# m+ M+ D1 G( w
V* L( i+ k: C; I
ask self [do-trust]
2 v. C4 D* T7 X2 a, \: E, t! L4 w; o;;先求i对j的信任度2 k' @4 h \8 ~$ U8 I# R5 R9 |
) C; s4 k2 @( oif ([trust-ok] of self)
- Q: b. }: a1 b# ~7 o$ e/ C;;根据i对j的信任度来决定是否与j进行交易[
! Y9 i2 L3 }7 f: p, D wask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself8 Y" j2 ]. W% q4 d& A' ~
+ p' i0 T( R: I. Q0 _# H
[
0 F! \# S$ J. A1 Q% v
. F8 M: ]2 O& o. B7 o( ]# q; Pdo-trade
' T$ n2 m& A! x5 j1 [
$ j8 N% D2 D, @9 v9 Y* s, Nupdate-credibility-ijl
6 X7 D( O2 X3 X7 I- b; F3 M& g; d: {; `1 s* ~& w. W
update-credibility-list
$ M3 R: j7 c" i* G9 p4 y& F! G" C
, S4 U4 x. K/ w4 ~+ R7 Y9 O* S2 s4 D
update-global-reputation-list
3 n+ `0 u, I1 |4 j& u, g3 v% Y/ v5 {) A9 M
poll-class. T7 b" k2 \" m; B% j
+ H6 j, \# j4 D( O
get-color. F9 v: |! }) L6 Q# z, `6 ^1 i
! I; w4 G( E3 U
]]
3 k; M; K1 a! j! Q' f, [( }# m( `; \
;;如果所得的信任度满足条件,则进行交易+ d {: d0 D# ]1 o5 v
|4 s2 U2 ?' S6 v8 R( ~0 G) I
[
3 ?+ C0 `3 z4 a
& o0 A& q4 y% f% O3 Z# f$ }# e6 xrt random 360
2 M) Y3 ~6 I4 r. ?2 l0 i! n! M( ~, Y* w9 @/ a, }3 ~
fd 1# n0 O" t3 K' e* X Q
% F+ j4 W' }! d]
. U* z& q( @* ~. F, w' x1 m& m: D& l+ [4 m4 G5 D
end4 H7 D) b8 ~9 T: E
. d8 {9 F6 }( i& {
to do-trust 0 ^8 P+ `7 P B$ b
set trust-ok False* w- C4 m0 S T! z; j8 K
3 q7 U" X8 k- f
: K0 `& l( S1 S# `6 `. c3 glet max-trade-times 0
, }9 D# ?+ l" _' [foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]9 e' S& X- ^* M/ n% f, A% q) n
let max-trade-money 0 ~; H% g! H# y, L/ E+ M9 ~2 b$ X
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
6 _! {1 ^: I( elet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
3 _: w. v, ~; Y+ M
" L9 N0 W* L# A% K7 a
0 B' E' Y/ b$ H+ |' Yget-global-proportion
7 w/ s8 F3 q" ~, A" K- D( Klet trust-value
/ f) S* Q3 w# w- i. ?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)* E9 J' p7 J8 ~' V8 i
if(trust-value > trade-trust-value)
+ Q1 ^! E) Q1 {, C* g3 W, ^[set trust-ok true]+ a7 F: K/ z, I( A% P5 R
end
3 z |( f. \6 V! \8 x
+ H9 p8 O/ I- m# oto get-global-proportion. V+ n Z3 `* Z; C! {
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)9 A7 `4 v- V4 u6 A" C6 I
[set global-proportion 0]
1 `0 P+ L) v9 M6 D B7 I% T0 p3 a7 j[let i 0
2 h1 g ^6 m9 {1 Y6 hlet sum-money 0
9 K+ K6 m" ^) J; @( gwhile[ i < people]
+ y# V# ] w: y+ ~0 J- T Z0 m[
) I: D9 l4 m) `4 ?! zif( length (item i* |, t" b" ~9 s- Y1 m; y0 v4 Z
[trade-record-all] of customer) > 3 )) X* ^7 ?+ ]2 c1 ]4 \
[
l7 y; T7 f+ y* qset sum-money (sum-money + item 2(item i [trade-record-all] of myself))/ c+ K) G7 k, @* m+ p
]+ g8 P0 Y1 l9 l
]
3 \4 V" ]: p( m3 S- c+ i% U1 Mlet j 00 ^( [( e- Q% l) u1 U
let note 0
, B7 `" S! D) |while[ j < people]0 p( T' `. M& @/ m; Z
[
" H4 @: {2 I0 L: W) {8 Hif( length (item i" ^2 K- @1 u. r, a" K" r
[trade-record-all] of customer) > 3 ) k: h9 P" M' { l7 K
[6 X9 M6 O; k* z$ M
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)7 Y$ {4 N% s9 m4 s7 C, h6 g& l
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
# `- K& n9 }! v5 S$ L, q2 m, t# }[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
/ l# D7 }% M7 o]1 Y1 N# ]) d! ~4 V4 D* ^# s4 _" D
]6 l# u! j: C, _
set global-proportion note
{+ c0 ~' _( f1 E! f( S]/ m2 l( a: b! ], R. D$ ~% Q
end0 v3 T: u& h2 Z9 n2 H- ]& d
, N1 \" N$ `8 g4 s( v. n3 mto do-trade
& R! C, L: q [; ]0 t* n;;这个过程实际上是给双方作出评价的过程/ {& Q T$ w2 V/ k1 C
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价( Z, K' F# z% P1 I" S/ F
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
. X, y/ q3 k3 }( @. M2 oset trade-record-current lput(timer) trade-record-current
6 } n3 p! b5 G5 L1 |2 C;;评价时间
& Z$ } y, v; |* Hask myself [
" a' [+ h) @/ z. vupdate-local-reputation
5 e0 v1 V1 i% Fset trade-record-current lput([local-reputation] of myself) trade-record-current
1 @* G' M& m& ~$ E]" l! c- q/ N w/ }4 W
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself+ a/ n4 \: e: t0 b
;;将此次交易的记录加入到trade-record-one中
`$ g. a2 r1 U3 T! Q# mset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)1 l1 O% t0 z; U8 `
let note (item 2 trade-record-current )
8 D2 J6 ?. E5 w2 A( _set trade-record-current
! {2 f2 ~1 s3 ?+ J- i# M(replace-item 2 trade-record-current (item 3 trade-record-current))2 k& y% K$ d6 u2 I' ]" g
set trade-record-current
; }8 c* Z+ Z* _' F(replace-item 3 trade-record-current note)
, w% [2 b6 o# R# p( v2 Y7 C j! l) h. A
J$ ^$ _% z& \( \* g/ p5 Sask customer [4 f4 f% o) R8 n; \
update-local-reputation+ x* f& d9 y+ ]2 c0 l
set trade-record-current
$ {! k+ u! j2 _ w2 K% E: U(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) + ^9 d! ]' L \' Q
]8 B" M4 g5 Y- F
& E( q9 ]8 g+ s- t3 [. X ?, J* Q4 j7 D6 z3 z
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
7 r/ j* b5 Z' U( _, l; F
- i! Y- R7 i! e* _& oset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
( E; i; N+ m" K/ S& E! @- o9 a0 }5 [3 L;;将此次交易的记录加入到customer的trade-record-all中- |: c. M) i4 k+ U
end- I! b* p1 n+ u* L0 Z1 W
( L# O9 L6 p5 o% }* N
to update-local-reputation
7 P. Z5 J7 P+ y8 t& P' m+ s @set [trade-record-one-len] of myself length [trade-record-one] of myself
% g& q6 n2 x% [: w3 Z, @3 c6 {: B
7 {4 l( T1 ^* [* l% l$ I
% X& [: M; z2 \- M6 O( L;;if [trade-record-one-len] of myself > 3
0 H5 h1 U0 Q' {3 w" i/ Tupdate-neighbor-total9 J, D6 X6 f+ t9 D! W: U
;;更新邻居节点的数目,在此进行) O# G) x c7 B m! Y$ u
let i 34 m5 |7 a6 S1 |" |& U% G9 C, E& a4 F
let sum-time 0
+ w, v3 V4 d1 a% Vwhile[i < [trade-record-one-len] of myself]) e. u7 i, U& N1 Q! @2 j3 g% _$ Y
[) G) A i6 P* L! X! D, E% y
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )7 E" s" i0 e H, a# T0 u% C
set i9 N1 K: F7 B# c/ o; G" m
( i + 1)
$ `& z+ S4 R. `1 V( I( B]
# ^' K9 r h+ U0 v6 Q" Klet j 33 E3 x- _+ A6 T8 K: Z8 e: Q0 e
let sum-money 0
% P' I5 L. h& g. l4 A, vwhile[j < [trade-record-one-len] of myself]
+ J7 f& x- u, m. Z: n+ H[1 m& F' {& Q; ]( r2 O3 i- f
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)2 K. T* ^% S* A4 u }
set j2 [$ @ k3 k% V2 i4 n8 T2 {
( j + 1)# J) @4 B E* ~
]
3 @( q/ \# h- s/ elet k 3' ~1 X! T4 B7 x" C( r( L+ B1 n" l; E* B
let power 0
- t" y8 }$ `) t# q! ylet local 0
( G% c( l) |! [0 X+ ~( M9 [while [k <[trade-record-one-len] of myself]
$ D2 t# s; L: z. w[& T0 j B& ^ T' w. [ Z- a8 O
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)
' D8 p, q8 y$ A6 |- A( qset k (k + 1)0 U( R+ S% Y3 J5 w/ h' r
]7 b; N. x. A: J4 u1 D# m
set [local-reputation] of myself (local)
' u8 o" E" |3 g; `end L1 c( m8 l8 B
' `$ M8 t9 p! Q# i' }7 x$ ~9 @
to update-neighbor-total
I* M: A* w, K) i% {5 l, i: q9 L
/ f+ L* h2 w" e, O+ l: \+ n* lif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ] J* z. u2 v( |+ y- M$ W
9 L$ m) @" z1 `+ p/ C" j0 W' J% v# e1 V0 h. ]7 W
end9 o- j. B/ \$ j0 p
2 p6 D9 s! k Y, sto update-credibility-ijl ' K/ i" O; G4 k$ a, G
, @7 k8 C v- `;;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 j3 g: i$ k) j; Q" Q7 P
let l 04 i7 }% v1 e8 Z; k. L
while[ l < people ]7 x9 H3 {" B) y) T
;;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4 F' F; c" g+ H$ X7 H
[
3 z0 s1 }5 ~4 `- _let trade-record-one-j-l-len length item l ([trade-record-all] of customer)7 @/ z7 A% O$ T; T
if (trade-record-one-j-l-len > 3)
% b" e. y0 {; w[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
( p* k" P3 S! mlet i 3
$ I. X" c3 O% l1 |" Flet sum-time 0: s# K5 \# ?) A6 I6 w5 h
while[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )1 P8 d- p; }+ x( p& V$ L) J( s
set i
) R8 V% d5 y5 J; e. L, G( i + 1)
; A: @$ k' j \7 A$ k5 Q( }]5 E4 [8 ]6 [0 N. I H6 A
let credibility-i-j-l 0/ W1 R* P0 O% i
;;i评价(j对jl的评价)/ w( D* |% M3 y J9 e) ?- v
let j 3
# u4 B; Z7 c5 |5 ulet k 4
7 {0 B& G) @" y; g- mwhile[j < trade-record-one-len]
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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& p* `1 B5 _0 h8 r
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)( E$ d& `( ?* W
set j; p) ~0 s. l3 e7 r# x1 M
( j + 1)
. P) @/ T3 B# T]
9 T0 Z$ @1 X) ]5 Eset [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 ))
$ p% U6 R1 n+ {8 s7 ^
# ?2 G3 a9 z, T, w% x7 b: h# m: P' p ^& c* N4 j
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
- w) n8 w; H e' d; N, e$ U;;及时更新i对l的评价质量的评价- n/ G1 i5 l7 h5 z5 d: W
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]5 f( e+ Q5 u5 \& d
set l (l + 1)
2 `4 g( C8 @; @7 m]
& c# ^* z4 M1 bend
% y: M y; g/ [4 A$ C
, I a) z9 Y7 F% i2 A4 ~to update-credibility-list
6 c, }7 ]* j6 \% J5 y/ jlet i 01 N; E! w- z2 t( b8 A
while[i < people]( D1 l& ^% K) K3 L. o' c
[
0 N2 d. r: t- A+ l6 Nlet j 0
2 I1 `; }- H Z+ p plet note 0
8 h7 E9 l! j% y3 ^( J4 Y3 C' b9 Glet k 0 h7 H& Y& l: r# k7 z& M5 V/ N
;;计作出过评价的邻居节点的数目
, ^/ Q! d! ?0 M9 _3 K# S7 l& t7 d6 Fwhile[j < people]
( d7 b" h+ a% j) E$ }: x4 J; y[
# ^+ ]+ h6 M5 w4 l" nif (item j( [credibility] of turtle (i + 1)) != -1): {: n1 t2 R0 `& g- ?0 P+ K
;;判断是否给本turtle的评价质量做出过评价的节点
: u- y% R3 _8 t3 x[set note (note + item j ([credibility]of turtle (i + 1)))/ b4 p$ w- O8 q" `8 E
;;*(exp (-(people - 2)))/(people - 2))]
( p3 p& W2 ^9 `* e6 |. \9 _set k (k + 1)
' _" W% w2 o, J3 Y5 Z& k! x1 p]6 h1 @0 Z y# B6 E. G) r, q: k# P
set j (j + 1) Z3 k- V/ T1 g9 o
]
3 e7 ?1 _, Y" x- Cset note (note *(exp (- (1 / k)))/ k)
; q7 l) H: P( l$ ?* O' D0 ~set credibility-list (replace-item i credibility-list note)
. d. F* M/ n7 F% A Eset i (i + 1)* Y2 a' [* f: q1 K
]( G, E; A6 ]/ G" @3 m6 N# m
end
- c9 E4 Z! g+ T. p- Q& r3 Y3 K4 }( ]$ V$ o6 D
to update-global-reputation-list
$ V' T1 Y0 U1 |3 Ylet j 0" t$ e+ }" k( n9 q8 a
while[j < people]4 F0 \ r2 ]# H s, v
[$ c/ N4 o8 g! L$ N
let new 0
5 B) j3 C; {! P;;暂存新的一个全局声誉* B7 Z5 {1 F5 c1 r+ _! y
let i 0
2 L# r% s3 o3 G2 t4 R$ olet sum-money 0
, J' C: V" T9 M$ ~: V3 Z) o9 Q# f, Blet credibility-money 0. }2 z0 k* _& M# S5 }2 B
while [i < people]
0 A. t/ `( t5 r1 e4 K[ G$ f, }; d# c: @
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
1 ]5 \" x" K7 z. E; r9 jset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
5 l& i# }+ W) d, V& Jset i (i + 1)
# u( H1 g9 H' H ^; `6 b0 A; O! _0 w]
2 b; d. z( H% [3 ?let k 0
' ?6 f9 q/ \+ Jlet new1 0
" i# Z7 B+ [# V5 Ywhile [k < people]
$ v7 _- U, ~9 @+ w[4 z5 g0 u2 o- @
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)
7 a4 i& V# L/ g S2 Uset k (k + 1)
) d- r1 [' T6 y]
: `9 V: F' i- n7 z! G* |, Cset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) % J3 G5 ]' @8 p2 ^9 F Y7 a% r9 t
set global-reputation-list (replace-item j global-reputation-list new)
# f6 H# u: ]4 U8 Kset j (j + 1)
' Q d$ \* D4 k3 p% d- g) _( ]% E]. B8 r) i. ^+ y3 ~+ Z
end
- H* ]' G+ R$ b8 h1 ?( ?. Q1 W/ a0 H+ e2 W; B2 I
6 S9 m$ k: @+ i! Q2 q
3 c+ P( O) e% L" K8 Y/ C* K
to get-color
" X- k1 W; i, o9 R) i, T. \$ n( A5 o6 o3 Y# o
set color blue
3 e* v2 Y- K0 O; ~9 a" w3 \end
k/ R$ N- `( O6 I9 p
$ f5 L, T* A& V7 y4 @9 k, G3 oto poll-class, m2 y3 W8 {- [) t- D
end
* A; ]: b5 i$ @9 o3 n1 X+ Z" F; E, U+ P5 V) l6 t
to setup-plot1
2 E# ` @4 ^+ I) M; U( B! s9 `4 R$ s
set-current-plot "Trends-of-Local-reputation"' e+ S, k5 y0 N9 K
: ?- {' z3 o# R$ t' v" Dset-plot-x-range 0 xmax
. O) o# e, Y$ n$ [; k( L$ w4 U( H( s* E. k; G/ I6 E! e
set-plot-y-range 0.0 ymax
5 f( K' R' ~- hend y, Q5 [0 b. K! d2 M' g1 n! D; V w2 n
& M( o' V7 E. M/ b' J9 O
to setup-plot2
; L& j/ |2 H/ M N2 d: w' o% T
, P2 ^5 S7 _3 B" I& l! |* y& dset-current-plot "Trends-of-global-reputation"
9 x" ~" h$ u# Y" f' ]% s
, H# W% z0 v+ q8 } Qset-plot-x-range 0 xmax. W; c# B/ \1 Y }0 T
$ T0 V- u) v( s* N) W
set-plot-y-range 0.0 ymax4 V+ L- b% r0 r0 \8 X) M
end: x: @" \2 U' b; Y- x
1 k" F/ E& G# d" h+ \; E- Q
to setup-plot3
3 d# I3 J" \1 Z. c; |2 W4 F# g* W# B) O4 m. g
set-current-plot "Trends-of-credibility"
A* b/ P) ]* W, w O% R
4 }" J8 E, u$ k* i3 z" |- `9 Rset-plot-x-range 0 xmax, P9 y9 U! r: ?& q$ e
( p4 l5 G& @! @; Rset-plot-y-range 0.0 ymax7 T% c6 p7 g4 t O) Z4 T1 ^! g
end _' L' L: _6 {4 F3 a
! Y6 }+ o) y6 G. ]! }/ u8 xto do-plots
/ G, O" N t3 u" u9 }set-current-plot "Trends-of-Local-reputation"+ h8 l( H1 C7 a6 U" u& B4 g2 Z; O6 q
set-current-plot-pen "Honest service"
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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