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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
0 k( a. H. M' m( L9 g; [: O# iglobals[9 {/ n9 `$ I+ G. R. s4 l
xmax. w5 r `4 h0 w( ~
ymax
7 W% u ~8 Q* g& a# H$ M6 G. g q. Rglobal-reputation-list, X: F( x8 _, v/ K ]1 w
: w& g. R" e- T
;;每一个turtle的全局声誉都存在此LIST中
2 b9 l$ S5 [" A+ ~& C rcredibility-list
+ ]8 S/ r, x* i# P;;每一个turtle的评价可信度. X# h3 L' C& I+ W: d: ` f8 G# q) Z
honest-service
* T( S1 g# t# s; E: ~unhonest-service
9 ~0 m* l( I. a' C; y, k! goscillation' x6 z; z6 Q: o
rand-dynamic* b" ~! h2 a* [4 K0 W8 |- E
]/ N& \' l1 A- G2 M" r; m! \, h! ~* `" t
: T0 W5 V8 e3 e" o. c; Q8 E7 L- r
turtles-own[# Y1 y4 h7 Q% K2 h, S5 c
trade-record-all5 y; P: M/ `7 c% p+ U6 `
;;a list of lists,由trade-record-one组成- F6 R: A& i8 e# M" }, b) Y
trade-record-one6 H- m w2 x$ F: _: i* M |' E' y9 [
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录, C" l6 X0 q' `1 W0 |
* ]4 [) _2 C( };;[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]]
% f) L0 H! I/ `, v1 Itrade-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]3 g7 l0 P, `& G; o- J
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
' s, ?; ?2 n, Q+ [neighbor-total
( n" V. ~$ N; r7 M. J0 m" Y1 p& L;;记录该turtle的邻居节点的数目
3 |9 `/ J5 ^# u) S/ c# ntrade-time
& |6 ~7 L! |! |! g;;当前发生交易的turtle的交易时间
" K- N! N0 S5 H" f. j+ `appraise-give' {8 R! K+ G" J, U. ?2 t) z
;;当前发生交易时给出的评价) Q" N3 ?+ Z6 [% ]6 {! H
appraise-receive% H2 s9 T1 C# l. f% q, E1 B9 i' E
;;当前发生交易时收到的评价
0 s5 v6 {% W) X5 cappraise-time
# X" p' W) @9 Y# {( E& y0 ~;;当前发生交易时的评价时间- _4 S+ O- v! `( @1 m' i- v# u; A
local-reputation-now;;此次交易后相对于对方turtle的局部声誉/ b8 ?+ ~' {! [4 N; q9 O5 \
trade-times-total1 h8 k) K9 [! O B7 B+ F( Y
;;与当前turtle的交易总次数
0 ~! ^, m2 J! u3 Ptrade-money-total: a9 k. E' p8 S% t
;;与当前turtle的交易总金额* x+ m d/ Y& g$ M7 d
local-reputation
3 p# |4 a: `6 L. i0 f+ p' E2 ?global-reputation
$ c5 _9 L: ?. vcredibility
3 s& Y1 K4 G1 z7 s! W: j; J- Z) I;;评价可信度,每次交易后都需要更新) A4 V5 }4 _: v m5 f9 t; n
credibility-all
5 |' ]: j9 z0 J [;;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
' E% f% |3 Z0 W3 y, ]2 u5 @. B6 m8 E6 e5 N' a/ u5 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
* L& l; k9 {0 {1 W* H0 f/ \credibility-one
8 o/ }* P. }" W- O; y;;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, o; l1 G9 |# Y* g& B9 k
global-proportion2 ?9 n1 l1 k% A* o
customer
9 i0 p+ B$ M' Y( n+ E0 x4 Q4 m! mcustomer-no4 r" A, D2 g0 B F M6 n) z
trust-ok
' J( Y- w' v% C$ Ftrade-record-one-len;;trade-record-one的长度; A+ [ T* |$ e4 k- c A5 N
]
9 B$ w3 U! ?$ V0 z1 x& O" m( y d8 H$ n" T
;;setup procedure5 J7 W' l5 v) T' m& B$ s l
# `1 ]# o2 [. Q" m$ M4 [+ t3 K$ O" ito setup( N6 x* k3 t: Q2 E! S
6 O/ w8 J( l& J1 F5 {ca
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initialize-settings6 w6 L, h; k- f# E j8 h* K( n
( @% B5 g) X+ t }- P7 h* m
crt people [setup-turtles]$ u& y9 i6 R) ~' h" b1 c Y
& O3 H# Q- P4 G1 t' l1 d7 k. ]reset-timer
6 B; L3 [1 F/ t, P& {% Y$ P2 z; N- l8 _4 K
poll-class
! c$ p ]' J7 Q
9 `( x: l0 k3 o) x, G% tsetup-plots* ]1 J# k: X# l5 W- n
2 q& u' O9 Z) m) T
do-plots
+ F8 U$ [4 y' @, G; W2 ? e4 fend
" O' V- b8 r/ n+ X9 E/ M
3 M. X4 r: l& Jto initialize-settings
3 @/ ^8 b. B# i) F- A7 \
- b9 W& k8 M5 t% W! mset global-reputation-list []
, n2 e/ k8 x) o! g; _7 i- t5 Y! f( r
set credibility-list n-values people [0.5]
- o$ m3 |* s! J* c7 g2 R1 G% P6 @5 B5 w A4 X0 S
set honest-service 0
* T& p0 o# j' u) u2 @0 ~8 P. r& H& x$ f3 i( l% j2 x( f
set unhonest-service 0
9 l5 e( {/ `2 D; c6 c- _6 Q* j" e+ o) o) t
set oscillation 0
+ t2 t- V6 q) X' K& G6 ~6 n9 U" v2 k- T( _' ]# x* }9 ~. ^
set rand-dynamic 00 y; b3 A, p) Q- h3 e) `6 i. _+ A
end
' p3 ^% M2 h W/ z4 A2 w
+ L3 M) U$ T% e2 b& q6 sto setup-turtles
' O$ L% V" x3 [* |set shape "person"
0 V- d# y8 B! J& Asetxy random-xcor random-ycor4 ]5 F+ o, f) o- M8 Z8 A
set trade-record-one []) R2 \7 \. ~" H K- D. d
0 I2 q! V+ f1 y0 Y# P
set trade-record-all n-values people [(list (? + 1) 0 0)] 8 P- K# w$ _/ ~& {: B Z8 ?
5 m7 L8 s0 @2 c9 ^; a6 ?set trade-record-current []
) D; e# p# A. W0 {; H. ?set credibility-receive []
7 _" p# |/ x" r6 fset local-reputation 0.5
6 J. |2 l) [" ^. z' |set neighbor-total 0
* W2 }2 |* M4 J! V; G$ i5 @6 qset trade-times-total 0
: |, ~8 _* N+ ^set trade-money-total 0
! j' k, x) ~+ ?, Z) J6 wset customer nobody% ~ O5 s) }( u8 M1 V
set credibility-all n-values people [creat-credibility]
- g+ D A8 Q, n: J& e5 qset credibility n-values people [-1]
4 t$ X, V7 a" F" Kget-color
3 x% k6 l& I9 L% G
+ _: h/ V" C, K7 V: D! Tend4 F- X; L s& b- x% A! A
) j- B/ h# e8 T1 J+ ~4 l o
to-report creat-credibility
9 G( Y1 n0 s, nreport n-values people [0.5]9 K* w$ K& b4 g, ~) \! `# {7 W; x
end' b' u b- l, M+ d
% L- z% ~- |" p: K& W
to setup-plots5 T; O, ]4 q( ]0 Q4 e; {% V
- a2 l: U. [' X8 v& L3 s; `set xmax 30
/ o1 R' U) U% [# N) a; q/ y4 F" Z1 T1 u% m! T: Y( M" K
set ymax 1.0/ a) L! L; [1 R- J
. S: J( |/ S1 F L( t" B( ]clear-all-plots
& B' ~# y! p# e) ^; P. E1 k/ t* ^) x# Y6 l/ G8 S- ~ z
setup-plot1
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/ k7 [# v6 T' u" i" ksetup-plot2 k6 r$ y3 J% v5 B& ]
$ D. `) |5 A2 Z; j3 p- N }setup-plot3* a! m& C$ V7 e& y$ j4 p" i
end
, b* O$ r/ `. z+ A2 s: ?& \3 F# _$ ?- H: X& k. d9 O/ `
;;run time procedures$ |# _( b# G/ o2 ~9 G1 {# J5 B; j
2 r, Z% B; l# _( V5 _- P; ~2 p8 dto go
2 a9 {5 D3 t8 \6 }- y* q
, B, U/ P1 q, I2 E, Cask turtles [do-business]
. g8 A: u; N: U( s; kend. @ D+ E0 Y$ r& A& o* F5 x
1 m m' m- E7 ?" W3 ~
to do-business
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( k* Z. H* o! c" D' s$ {. g; w3 u$ irt random 360
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' _: U$ O0 [: o+ {/ P0 yfd 1: {. g( _! m# W. M' w3 S1 U
- Y' z. E/ N; g8 R" w5 Vifelse(other turtles-here != nobody)[
+ ]8 ]4 `% c7 J; o0 Q( m% Z, K# ^ F' m
set customer one-of other turtles-here3 z7 G- ^9 q" t$ s8 v7 F9 {" B, t; u
+ l- C6 o' |+ _1 f* N, U8 Y- J;; set [customer] of customer myself4 M I# u. l3 t9 e4 q4 y
1 P' G) P. T% @
set [trade-record-one] of self item (([who] of customer) - 1)
9 P0 M/ v0 K9 B3 _! N3 ]) j[trade-record-all]of self/ u3 U- S; i5 z' j9 V$ ^0 q% c
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self( Y& l5 o0 Y" t; I
* e# Z7 C) I1 y) Sset [trade-record-one] of customer item (([who] of self) - 1)# g5 q0 n2 N0 O
[trade-record-all]of customer. [5 t- B$ D) }6 \ ]! Z3 u
( B# T3 P) b6 i- u, v
set [trade-record-one-len] of self length [trade-record-one] of self5 U4 X+ n$ c& j0 C2 i: E- U( i' h
H/ l! C! {3 \9 y& o
set trade-record-current( list (timer) (random money-upper-limit))* \% f* }( Y3 x9 \& A
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ask self [do-trust]% p6 S! T7 D2 Z
;;先求i对j的信任度
# q. |3 B4 o6 l+ w8 @- X, a& L1 T* [" Q) U& M
if ([trust-ok] of self)
' L) \$ O% N$ G2 n;;根据i对j的信任度来决定是否与j进行交易[
! S, ?0 B" C6 e. s( f, y3 gask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself) [. R: w5 x$ @( N
" _: }1 S9 H- j8 S. J4 v3 b
[
+ o+ k& A! R: R1 i1 Y
' B- d* f2 M2 e0 @: Zdo-trade# D0 ~) w a. S4 P0 n
! I& {$ p# x5 G9 T
update-credibility-ijl
+ y& H3 n4 m4 [
4 j" X# b* `" P4 E% |8 j$ e, M' ]update-credibility-list q" d7 P7 x5 O \$ u( X7 t' H% \
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! m1 R9 d5 H2 M
update-global-reputation-list, Y7 n: P/ O. Z! `+ P) R
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poll-class
8 U4 F* m8 I4 `+ ^5 n4 g) A+ n8 X6 O) o( a! L) E3 t$ s/ f
get-color
6 [0 y# c8 P# X) q- N
3 J u) n: u. }; T]] y& M7 M1 |2 ]# B, o* E8 ^
% ^9 ]* c8 I2 G+ }$ p& N; _+ C;;如果所得的信任度满足条件,则进行交易
* _ P7 {7 z4 T1 _* Q0 h0 n. a' c7 M" j8 F
[
; E5 k( q% p6 l s% ?4 ^% u
^3 ?5 a5 S/ y# k- r6 B& `rt random 360
9 [$ |; ~) @5 B0 E# x4 |. V
2 h G# }5 v n3 h+ X# gfd 1
8 z- H& m6 J# V/ Z( t% l) c L9 \( I4 {7 P; |. R) J
]
- _$ C9 P0 n* @ Q3 f; V1 B2 ], G0 Y
2 V' s, w4 g7 P" iend
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/ b" R5 `1 m6 s# p* i1 Mto do-trust
* i8 n0 g, Z& b0 f" @0 }set trust-ok False9 q; z& [, z" n2 H* N- P+ e# r
0 ~$ B. z7 ^3 {4 T" c, ~3 u4 V
7 D* z9 h5 Y. m: o5 ~& \let max-trade-times 0
# j8 x/ V3 d2 |2 F3 E8 lforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
% r9 y) {( K; h9 |let max-trade-money 0
# |+ V: A0 t9 |, _$ Z: Fforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
; A; r8 l* a- ~. qlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
+ [/ q" M( S* s: F1 O; p4 N. v2 q
8 s* {6 k; p; ?& d q& }- C1 N) e" ?" B4 A
$ z- K$ A$ _5 {+ ?( Oget-global-proportion/ s- r2 f7 u0 N W
let trust-value
2 g5 [1 l$ M3 } x* alocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)# @1 r8 S" z& o5 z0 u2 R
if(trust-value > trade-trust-value)
+ F* y; H: R! u+ b3 M" F" E( h[set trust-ok true]
) U' D& W; @) A- m1 send
# B: S' i) { E w+ `; J" v! `; O& W( G/ r" V, B+ b j1 U" z
to get-global-proportion
- s8 a1 ]/ U1 W* s6 qifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)* X0 s- P8 L+ o( R: U* n! s
[set global-proportion 0]/ X3 h% Q& U$ q8 w
[let i 02 \' |' r. C& }' v3 a
let sum-money 0; c' O7 z& D+ t6 r" {3 [
while[ i < people]
2 h7 U/ P# R- U @[! Y) r+ j% v( k/ b5 [
if( length (item i7 m) h! b/ Y$ P0 V8 n
[trade-record-all] of customer) > 3 )
2 t: [9 H' ^" J; [+ w: z5 U5 s[; U8 S0 Q4 L: k. V2 i$ M0 ^
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))( C: R- R; H% E0 F6 A2 D
]
' ~, z2 t$ h$ P1 b+ D% M8 s: m]) e; F' T j. e3 s. [8 J2 k
let j 0' |: |; ^5 r- |1 V. k* P
let note 0
/ u9 O/ n+ Y( Z) K8 f* n6 @while[ j < people]6 U) j1 I- I0 u2 V* Z) i" @
[
% h" ~( L# g T/ Y8 mif( length (item i
, y% z" ^. G: [) h0 i2 Q! o* f[trade-record-all] of customer) > 3 )( u) ^; h6 T% Y) N
[
2 P0 u: _$ _5 R' O$ n) P$ Tifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
4 m& C* v4 }& h. Q% q[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]6 @1 Z- X5 [3 Z7 A8 K# e
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 t9 M% t: U0 V$ T- q3 G
]5 k' t) d) F c" `3 q* a9 n/ s
]
0 b4 d3 G% x! d4 oset global-proportion note w' r4 L: a. Q B
]: K' Z Y) \7 k! L+ e: P4 ^
end1 Z7 F( L6 u: T; l: d
4 S$ y9 K O3 Z# V
to do-trade/ a; ^4 U) |+ {5 B
;;这个过程实际上是给双方作出评价的过程
C% z; ?. J7 \6 H+ |4 H" g- iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
6 Z1 d P0 c7 I+ ^- Sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价+ W1 r' H% Y0 Y0 o" k- {
set trade-record-current lput(timer) trade-record-current
- ~5 ]8 e! d( P. l& S;;评价时间1 Z( v- h7 P! L5 \ ]1 H( d- N( Z
ask myself [9 N, R0 T9 p# |, z- V' X
update-local-reputation8 b/ n& K) n% s$ ~6 o
set trade-record-current lput([local-reputation] of myself) trade-record-current/ S" ]2 ?/ d% ^1 v
]
0 j5 W2 k! _$ Z, n+ [3 ^& oset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself1 z# Z; v5 |! S A. m$ w
;;将此次交易的记录加入到trade-record-one中
0 H/ n" a- h9 {. S6 F2 S6 _set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)8 |2 Y* s( t9 v( j' c, u$ Y
let note (item 2 trade-record-current )
1 f; g9 i8 S! C( ?, oset trade-record-current6 P: }0 Z) ]" a4 k! }# W& D
(replace-item 2 trade-record-current (item 3 trade-record-current)): M/ h: m4 }! z6 [# {4 V
set trade-record-current
1 {5 e8 J0 A: K- g, \, f2 `(replace-item 3 trade-record-current note)
" u) g) K- f5 l B
; O$ B/ S" [/ g6 f, o" D# f3 f
" o5 B; S0 ?. v6 F: K2 Bask customer [: J, K, \) }% e+ ], p& o1 m* O
update-local-reputation
( a) |% _2 y8 {: t$ H; t2 _set trade-record-current
u: v5 U& w) p$ M8 L, k# I. R(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
4 W. Z5 }6 @7 Q: [' G5 [+ q& E) n) U]
1 n6 ^9 t0 _& E: }3 }
+ D9 d2 k' D' b% Y8 H" H' n4 a8 ^" S8 A: s8 R" [
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
% ^, |8 ?+ r) N" o
1 W. h z M* A0 v* T. lset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
- q7 [3 p# u/ u, ~;;将此次交易的记录加入到customer的trade-record-all中9 t! n& r- k, `& x( [ v" H# y
end
) l- |; S* K# ?2 Y2 f
, q7 f- `2 A0 w# Z9 Eto update-local-reputation
@% E; G: |0 C( zset [trade-record-one-len] of myself length [trade-record-one] of myself
' Q$ a3 l8 G( n. ^) e1 Q! D9 h' h. W0 C& Q7 Y- \7 Z
1 q& Q3 }0 M5 z/ s;;if [trade-record-one-len] of myself > 3 5 D# z9 r# w% c i Y* G- p
update-neighbor-total9 ?1 {" b9 K- E; ~0 H
;;更新邻居节点的数目,在此进行
$ L9 }4 i6 B, z4 d+ blet i 3
* ^6 S6 U# e( nlet sum-time 0
9 K+ N* z6 C8 ~1 S! }" Bwhile[i < [trade-record-one-len] of myself]
( Q* h6 _5 W8 H \5 y/ F9 E[
, c% s9 x/ q: ?' g& aset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ); p( \' R# ]* Z* C6 J9 {, M
set i) }% |, e7 `5 @2 t, @
( i + 1)
( j; f: ~3 |- T]4 L2 x5 l' |/ {. _! b# B
let j 3. @( t# D# s7 S& d: I+ E; m$ s, H
let sum-money 0
5 W1 z, u# d4 x l J: Y0 Uwhile[j < [trade-record-one-len] of myself]
- B1 X9 a$ p* K r' U[
+ b/ D/ p; L, ^+ s( Uset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
7 ?( N W6 ?' Q# F$ H4 sset j% q5 \) `, g+ _0 @& m' w8 [3 W
( j + 1)* H% T+ x1 C& c
]& A6 k( W5 c& \6 f3 L: b
let k 3/ w6 x* o1 |) j$ W, ^
let power 0) E5 t+ I7 P0 c$ u7 k \/ {' t
let local 08 {+ v0 t* k' x: C
while [k <[trade-record-one-len] of myself]
: x4 m8 ^) H0 P V[
5 b# U% D( _! G( Jset 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) ; M- Q4 V. C% j! z% ~8 f( ]+ x
set k (k + 1)
0 @. A+ _6 m( ?4 T]
; ^$ d3 n/ @, n G$ Q' L3 d6 @set [local-reputation] of myself (local)
4 t& m; C8 v, N* bend
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to update-neighbor-total
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* M" G& t9 X. ^- q2 K! ^/ vif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
5 |0 H! L) A; N& }
$ A" [8 u# \: `3 N% K ~! Z' m B& j" h0 I$ p
end
4 ?/ t! M* n& o9 W- Y
. I1 p' ~# Z |. T0 ^to update-credibility-ijl
8 f: x& t- X+ n( H, ?+ `
. P/ ^8 u# U# e t# J% A0 ^! L;;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。/ O, ?; K; w( y. H
let l 0, }. \$ s2 f# P) o1 b8 Y% s2 `9 l( j3 x
while[ l < people ]
4 b5 f7 Y2 @4 Z7 H/ T0 K% f;;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* |$ x6 l/ L8 N/ J; u
[8 n7 w' \7 `, j' `
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
& | M: A2 p) _+ U$ Q/ @if (trade-record-one-j-l-len > 3)9 h: T3 W: G7 V. Y
[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
/ a( Y$ s) R2 c% O" F! J8 s6 h. [let i 33 G8 d0 R8 o' W3 S
let sum-time 08 j$ H" Z! {" ]- E% s. f4 ]
while[i < trade-record-one-len]8 v' K" N$ C) W1 p6 d2 y5 u
[
: m k+ \! L+ tset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
* D! s% ?6 i# t5 Cset i
8 m3 F9 b+ [) p$ y, p9 A! }( i + 1)- K$ c/ R+ R2 a6 _5 }' f. j" A
]
( Z! ~, R: w/ U$ s. @+ glet credibility-i-j-l 0
: P+ S) i8 t. ?! X* q0 X;;i评价(j对jl的评价)4 i7 m- O3 O/ g+ I$ l# l( ?+ X9 `
let j 3
3 t7 k' L5 m' _let k 4
, u9 `, k& `; [/ u* l/ |4 Y7 w) I, Iwhile[j < trade-record-one-len]
9 }. }7 H6 O- G' n" i[ |( r9 f$ ?0 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, \' Y, v' u7 \. Y
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)# c/ K- F, u9 y& K6 S
set j# C. K: L# S4 _/ W9 ^" u: W" O0 ?5 S
( j + 1)
" M! c) B4 k, l. i6 e |1 Y: h$ o]
% E. a4 k; [. z4 w% c3 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 ))
& S# b+ O# y0 s
' L/ b3 |+ h. k4 q7 W1 G& }7 f
* m; ^& I8 z. q$ ylet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
`8 T% _; g f9 G;;及时更新i对l的评价质量的评价
8 C( A& y: o( G5 T2 v( Nset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ] m) I7 n6 I' Q& W( u
set l (l + 1)
) n# ^8 C/ g- n$ ?]2 ?! W4 Q$ P6 M" y
end
) O/ { X& E- K( M' @# r) A+ D
8 S) I n6 q1 p( x" Vto update-credibility-list
+ r! X8 H2 V5 hlet i 0: u* g. L) Y% k! x" b! S% E
while[i < people]
4 m, Q. r: a& s' u8 p" t+ p$ V[
6 _5 L/ s8 D0 m4 q Olet j 0
! l) S5 G. K1 @6 F I7 _2 ~let note 0
* o/ c8 E0 o b2 ^1 vlet k 0
/ g! V2 z- u$ m7 W$ L; u;;计作出过评价的邻居节点的数目
) F3 j- d7 V$ l, ]( W. twhile[j < people]! k3 _- _/ t( \' j) l- K$ |) g+ j- E
[
% H6 ?5 x7 \1 j) Y: ]if (item j( [credibility] of turtle (i + 1)) != -1)
- k# _6 M ?. k3 F% W" K$ [;;判断是否给本turtle的评价质量做出过评价的节点
1 Z5 R' y- f+ y" W[set note (note + item j ([credibility]of turtle (i + 1)))# x1 {) M& y$ b0 a. i( \) P
;;*(exp (-(people - 2)))/(people - 2))]
- X2 G$ F8 G) `% E8 N% i0 \6 wset k (k + 1)
( _" P( Y- I, ~0 {]
( g& z) c9 V% S4 d/ tset j (j + 1)
8 I. u; P2 h+ R+ U, |! c' D]* X& t; Z: T o* U; J
set note (note *(exp (- (1 / k)))/ k)# L! ~+ t3 X" h& `9 R0 d8 }- y: Z
set credibility-list (replace-item i credibility-list note)
! f/ C: f# M/ `3 o4 T k* { Qset i (i + 1)
+ Z3 j' _9 [8 ?7 o& \" r' d; F]
8 T0 a" @2 I3 z0 _7 b0 Oend7 e9 q% \- g9 W; I, O, R; O$ K
' h9 M; c$ b' B4 m/ P; W
to update-global-reputation-list L% U" ]8 Z, I! K
let j 0
& Y X! `( m6 g7 `while[j < people]% b8 K; k' D( O9 q6 P
[! y$ h% h# } u3 [$ \4 Q0 h
let new 0
; n3 x% N; Y4 R6 q;;暂存新的一个全局声誉0 ]# }% e2 x( G `4 E
let i 0
& B) }9 B, O8 llet sum-money 0( `: m ]3 |' l( X7 e2 Y$ n1 K
let credibility-money 0
2 B" X" @; b% g1 n6 P* t) \9 zwhile [i < people]+ ^3 f, N( e; j; J* U2 S2 w% H* ~
[% C" u5 g7 H; m4 e% D4 t2 s
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
& F* i2 ], J8 q9 S8 v. oset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 p8 F `% k4 Z1 d$ y* V# e3 G, z8 Nset i (i + 1)
: c2 y. u$ H% M Q7 X' I$ K( A]; w0 l* N" K' g* L- D
let k 0
4 j* B2 a. h# }% Z' x' S+ wlet new1 0
N1 q1 V! L4 u' c: Fwhile [k < people]
& |' @* V: O, D2 O0 @. O5 ?[+ U( v$ }# J3 F- X+ T" `
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 O6 S$ O; u( m3 `set k (k + 1)
" L, s' z9 Q( d( o7 L) ?]
" }/ @" p8 E J3 F% S3 _4 Z/ b( q4 }set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
) c4 w8 {/ }7 A/ U4 i; I. _% hset global-reputation-list (replace-item j global-reputation-list new)2 i( j' k% z' n% f5 ?
set j (j + 1)
5 f' R$ N( l% Y* T]( {, b0 O$ q+ j" A* o9 _/ |& C7 H
end* T* ~4 N) j: \9 w# H( m
8 q% d, c0 l" \3 n
" {4 N7 I" V3 M& F* S ]0 K
) V0 @3 ~. ?2 A# ~1 [to get-color
+ v$ E1 N+ {" H4 V8 R
' s8 w% n9 ]5 Q' j( J p* A' Qset color blue
" u% o* E6 W" lend; V6 A& ~% [% H. v1 w
, S" t2 ^1 l, M6 p3 s& X; t
to poll-class
) w$ o* c8 @ v' w& n0 X8 Xend
0 j; F1 M& m1 A- k5 ]1 f& @; l, C
( q4 v% o/ a) h+ _5 J2 }to setup-plot1- W: f- r# q. B3 n
9 P" y8 m8 r2 r4 g7 }# Lset-current-plot "Trends-of-Local-reputation"9 F1 J* q# S R* A5 ]0 ~5 `) ~4 z
$ X0 ~6 z9 v( q+ l4 ]/ o3 Iset-plot-x-range 0 xmax
) q% g; r0 w, X5 A8 x
; U- y# m+ \: P, M1 \set-plot-y-range 0.0 ymax
* s& M7 B. \, K9 d+ Gend
. O- _( U. v* J9 Y2 [" |6 p" [, r! T( q( y( J. o: j, C+ H; |2 Z2 R2 A
to setup-plot2
5 V3 f! a+ `1 s( z. A# u$ F7 p2 ` o5 v" }& N3 @) L
set-current-plot "Trends-of-global-reputation"
5 T: G; L& j( [) ~7 I9 }- P
$ H/ M. @% T6 Cset-plot-x-range 0 xmax4 H$ N% g0 f" Y) d( S: c
' F% Q+ z" y( p8 O Q/ b7 W; Aset-plot-y-range 0.0 ymax
" o/ i8 l n6 r1 {, A$ Uend
" j% y' ~2 }% u1 N6 }$ t% t+ a* {6 ^1 l. b3 y/ V
to setup-plot3
! N/ f3 \4 ~2 j" e3 R$ p8 t
4 C3 C9 H0 ^1 h8 u9 fset-current-plot "Trends-of-credibility"" S& M& _7 j4 O& P# t* |: Z
2 u- o) _4 _- X' A2 Eset-plot-x-range 0 xmax- q4 s8 A2 k/ o
0 H5 B6 @) L' D- d9 yset-plot-y-range 0.0 ymax
* ^, p! n+ p) ]# W6 tend! R1 a$ }" E: M' |' s/ ^
5 F3 K8 r" ]- \7 ^' f
to do-plots
) b8 z( b: B& [7 d; C$ O; `* Tset-current-plot "Trends-of-Local-reputation"
% \3 |. e4 m8 Y- [, Y0 Qset-current-plot-pen "Honest service"
6 }0 D# |- P% q! send
; @0 y% w% y1 x, a2 V- F, D7 r2 e: @
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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