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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
4 w- c6 T9 O3 [& @* j* k6 {7 Aglobals[$ n# {+ \: a y0 V% g3 t
xmax
( e8 k! Y S! R6 ^: qymax
6 u; M" @5 G1 I* D- e( G- s. ^global-reputation-list
; U9 N- O4 a' h6 B* }* W7 B3 |( r; ]9 ]( m! H- T& V6 q; j
;;每一个turtle的全局声誉都存在此LIST中( E- s# e: A; o$ E$ ^3 j
credibility-list
* t4 Y9 {( ^2 R: A8 C;;每一个turtle的评价可信度
) X5 `0 B' G( Ahonest-service
7 R4 c; p) s8 k9 j7 H3 iunhonest-service
* j( M" Y+ G9 ^: x9 g* ^& boscillation
* y0 Q( N6 x, w1 p7 f( {rand-dynamic
1 p7 ^) v: _" o6 N3 W( ^7 G. z x]
# g5 H& D5 ^7 i3 O' Z5 U) v
) n" n$ L' r+ Pturtles-own[
: G. r; }6 q% H% D( Gtrade-record-all9 A$ g* B4 ~( K+ d5 o4 [
;;a list of lists,由trade-record-one组成
. Z3 l' j, f7 x) N- Itrade-record-one% Y& R7 k& M R0 m4 u& L3 t/ e
;;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 R \1 _/ G: X! c* @9 n! A
1 e7 H, t# ?- p- k& v, {: j
;;[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]]4 l- {$ i) t: s; S2 A) o( C: a
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]
+ w' x$ R2 L2 m+ }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" y7 \0 U& B, s. ]" j
neighbor-total4 m; n. M( N( h3 N( B5 m+ C, e: x
;;记录该turtle的邻居节点的数目
" P0 p+ h& \/ j% N, N/ qtrade-time8 N& O. Q3 e. F; z1 }
;;当前发生交易的turtle的交易时间
, L( E0 g9 @4 F# zappraise-give- Y0 Z+ S1 S/ U3 N- S
;;当前发生交易时给出的评价' I( Q# i- k, C$ I% A/ ?
appraise-receive- J7 Y# m; w8 q0 M
;;当前发生交易时收到的评价
; d( t8 D# ~2 n7 h" Z+ Happraise-time
( j c8 {% ^2 P& [* G3 e;;当前发生交易时的评价时间* k+ |4 n9 t9 N
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
$ d5 ] g8 J# N' ?trade-times-total% L8 P5 c. ` L6 B& t
;;与当前turtle的交易总次数2 O$ R4 {1 I6 Y8 w% ~! O w
trade-money-total. W( S% {! I& J/ {; l0 Q
;;与当前turtle的交易总金额
9 L1 K& S& P5 |. |" ilocal-reputation% X8 A6 t y5 ]% h
global-reputation5 U' n6 l% V& F
credibility- d, u E0 {/ j1 f5 Z
;;评价可信度,每次交易后都需要更新3 Q P3 N9 M- M8 t$ d, A
credibility-all
5 {4 N9 t2 v% m;;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
9 A3 H( z! l7 N( `9 I2 f( ^; \/ c G9 h
;;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0.59 i, @$ k/ Z0 |3 A6 [
credibility-one. E9 J8 ?/ Q- N: |) U
;;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8 k2 \8 Y6 n7 T5 E2 i' Z
global-proportion
( t ]* \/ Y& t9 A% j4 | T/ Q0 {, scustomer
) I, f% j7 X0 ]3 P: Z3 L/ V' n& ucustomer-no6 O$ I e: j: d4 @9 x+ I
trust-ok
: C# M4 C( \5 {3 I+ j6 `7 Strade-record-one-len;;trade-record-one的长度$ w" O: m, V% |% H
]
: e# H7 Q3 _+ a& ]* q5 M6 y# t; u9 D2 a5 W
;;setup procedure7 d6 D% h- c$ }- Z; L- B5 H: Z
0 s. m8 ?4 b$ N4 p; g& W; z; r( d8 p
to setup$ b' ^, s& D9 q* g* o% O4 T, H/ d
2 r# u, o0 k$ ?; W: d2 x& ~ca
4 Z# S) D N" w& v. d( q! I) \
initialize-settings5 k4 m$ q& |( G
+ i5 F" F. D: k4 u" C8 E" M- R
crt people [setup-turtles]2 I+ L+ x& l2 s' e* Z# [8 `
% K6 v! z% L6 \% u, M+ A
reset-timer
7 _1 Q, k. O' U0 o G/ Z$ x0 Y- R, @7 D7 h5 L* H9 J0 a
poll-class2 v1 _( e5 i$ I) d
0 Z2 D* h" F2 v/ o4 _setup-plots
6 F- Y$ \* c9 E6 D
; ?5 r# n5 O# U6 u0 wdo-plots
" F7 _ j- r2 l; X Yend6 j. ]) s$ J- L+ T0 Z2 N! k
8 K! S$ H; s$ x
to initialize-settings5 _ [# d) {6 k
5 S( ~9 [! I/ i. \% X+ ?' sset global-reputation-list []
) f2 n! c! y$ L
9 d0 R& u+ G) H! b& S8 j; j1 yset credibility-list n-values people [0.5]) O- {: `' t$ l' A/ {8 P
. ?/ V' q3 D5 y7 kset honest-service 09 e K2 \% l0 F+ o2 e
: l" `' i4 _! a* N# b6 [
set unhonest-service 0
# p9 ~$ e, M/ p- Q+ @
( z# y F8 I; vset oscillation 0
; K2 K' t+ w7 ~- }/ K/ R; u& u
2 Z/ b* ~2 i! n- v4 e9 Z3 n1 ]% xset rand-dynamic 0$ V& f. U4 |4 e7 v
end
& [, J4 ~0 J( G& O! L" J3 `7 Y1 V. w9 q
to setup-turtles
( N0 n% F, R9 \: z7 }5 pset shape "person"
7 o- H2 Q, }1 i2 |setxy random-xcor random-ycor! @; A5 b6 K; ~
set trade-record-one []; s6 p( X5 [; I! t+ ?; _9 g
# ?) z5 R) q0 j( sset trade-record-all n-values people [(list (? + 1) 0 0)]
$ r$ a1 p; Z' w& z1 j6 {7 b Y0 S; S H
set trade-record-current []
, Z: s2 @+ s( x# Vset credibility-receive []2 D- [5 N2 p& ]) E2 W3 Y" N
set local-reputation 0.51 S0 S8 D* j1 J1 x& {) Q
set neighbor-total 01 l8 b" M. G4 D7 {* }3 O$ x
set trade-times-total 0
$ D2 B. [! z+ rset trade-money-total 0, K! {: H$ x+ K8 H' m
set customer nobody
" V3 b$ T: }- u' Q! oset credibility-all n-values people [creat-credibility]
, n. Y# a0 V6 X! N/ H0 [$ gset credibility n-values people [-1]
+ P9 @+ G- ], h- R6 Vget-color/ y; b1 w2 a2 A1 S& r! P
; c- ~7 ~! `$ H" y+ V. B" l* B% Y, lend
! l) y9 \1 |+ Q. W6 [/ Z
" G5 K4 R# C, }: Jto-report creat-credibility. r+ S2 c" v% e9 k' ?" H
report n-values people [0.5]% J( ~+ u9 B" g& a1 I1 W, M
end- K( t/ H O$ l+ K. o
: j5 D4 ^& r- Y8 |) o! h X: eto setup-plots
5 V- D, M8 U. o! _
) ^! K# j( k3 ?: U4 n2 ?( hset xmax 30& y3 q$ ]( O$ p# d6 q5 N
5 r, q B* g5 e6 n& n' E) c( W/ W* s: sset ymax 1.0
$ D2 }# j3 N6 W, I3 `9 m# ~) v
5 \- H9 q/ J) N9 ]clear-all-plots
6 r' J: r; j. d: e. p* _1 P; j! S6 \! g T$ F/ u/ t2 H
setup-plot1
0 w. _* b7 }6 S o. d3 A
- a: v3 D' S: _( z4 D `setup-plot2
8 ]4 ?: l+ i+ U0 `, l: q+ n
* f- Q A a. Z, ~. Asetup-plot3
! Z. Z! g5 T& f( p. a3 }end4 Z2 t$ l( A% L1 V
% @, f4 R t- q9 Z
;;run time procedures
; d, r5 n5 M- f
! ]9 I4 U# E7 b5 mto go
( Z5 J$ P: d: Q7 w1 O- b9 ^, U0 D+ [" G) J
ask turtles [do-business]0 D8 F* ~7 W2 z
end
9 D, v; h T4 w$ V
" Y# U# U7 W$ [! l& T: F6 j0 ^to do-business ) M& Q+ u) z' Q' n6 {1 i1 y
) c8 Z+ }$ V: B. O2 K+ Q7 y6 B5 U0 v% u* v! u
rt random 360
; W2 N8 m" i4 p$ X( r
) q" q# V/ `% Ifd 1& n7 g& Z# |$ ^& V0 l
/ p; _5 [* t$ B2 T1 V) }" @ifelse(other turtles-here != nobody)[% q8 s7 D3 h5 n' T/ g' g
3 [! O/ B5 c% x" b( Bset customer one-of other turtles-here: E# i4 i$ Q% t% z, O
) ]# ?2 I9 y. I
;; set [customer] of customer myself
9 Q0 z9 z! Q6 d. y8 P1 }0 i4 l- O% R' ] T `) i. |
set [trade-record-one] of self item (([who] of customer) - 1)
5 U/ p ]/ v$ Q" ~7 m; H+ I[trade-record-all]of self
& ] C$ @( }) A: T. }& t4 C; u" y;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self7 s1 z _: ]" t+ W2 {* l* J3 w/ c# a+ d
5 J% m m7 r5 F, P9 y) s! Jset [trade-record-one] of customer item (([who] of self) - 1)
6 M6 O! f# J8 f |[trade-record-all]of customer
8 e! ?5 M; }. {; v) s
+ v; C, _& y7 c: l+ I$ i0 ` n" Nset [trade-record-one-len] of self length [trade-record-one] of self
4 Q5 q6 z! V) N. w& R2 j6 J
7 j& m' h1 g7 nset trade-record-current( list (timer) (random money-upper-limit))
: S: h- K) H# R- Y+ |2 ]" t
9 W: j- t$ ]& }# V8 Aask self [do-trust]
, ]& O- t# I: ?;;先求i对j的信任度1 w) O! X, d) q2 B" W; I6 j$ Y$ B2 Z
! U( A; q; u- }' Iif ([trust-ok] of self)5 O, _) f: H6 t; {) E; g
;;根据i对j的信任度来决定是否与j进行交易[: C8 g A4 {5 \7 `
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself3 [( s4 c0 T0 ]
1 T6 j9 a9 g9 f. z
[
; p9 C% y X* g5 K. X% B( U7 v$ e, ?* A4 c/ ~! @% f/ ]" [
do-trade5 R5 d4 o \. ~% x1 R
4 g- Q2 D5 }! a& eupdate-credibility-ijl9 w) y, w9 I2 V# k+ r, b
% S6 L- N! z: x; w v, e/ @" p4 cupdate-credibility-list
" z8 s$ \/ n8 D5 ^+ P
2 t4 T, ]* `) B6 G
: |$ g& I1 g4 E$ X/ ~) h% Fupdate-global-reputation-list
( ?6 b! L4 P/ f# o1 q( e% T3 A
) }5 b" {' X# n! o4 e& ~poll-class
0 v$ ?! F0 S \5 m$ B9 d$ ]3 r! y# Q, J9 _- b1 ]) D: F
get-color. s) b7 f9 b1 ~( A8 g0 F# V
& h0 g$ k v/ p6 k7 a4 c' z
]]; S4 A) q! P" n- ], a# y' ?8 m- I# g
. O/ P* ?; L; c! ?% O2 m;;如果所得的信任度满足条件,则进行交易
% O$ A* e$ Z) ?* n) z- K m8 i! d5 E1 }
[( V' l( S* c* d8 f
/ \1 A6 u/ t; x! Art random 360
4 [7 I) X/ E# ]6 d9 `8 }; Z" y/ E4 _& r* x4 X4 o4 k1 o. j
fd 1
6 U# ~! K" q. w- T( M: f! ^' j, \8 j# t6 K0 I' `9 d% a* f
]
1 Q! J$ y; ^4 o; a9 C. h4 W
: R3 w. S; ~; R" u$ Z# Aend L1 D# x- q# j1 y8 {! k! M3 F9 W- d
/ l h1 L. p% Z; Lto do-trust 1 O! m8 z6 I) K7 Y2 X' z3 U
set trust-ok False. G/ M- k. G+ N- }0 e" h
: W- O) f1 j4 Q; J( Z
. J( ]/ I5 x1 z* l, S: ~# V4 flet max-trade-times 0! O8 G/ l+ k* a+ M* {9 F! K
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]0 q+ ^" w# Y1 O( o- V& u7 p, x
let max-trade-money 0
' B" p( |% V8 I. b8 J4 Sforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
1 s; y1 x$ i6 K' Plet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)): l% ^+ L* [ ~* M& J6 y1 C
9 Y1 {3 |$ K2 d* S w. B7 R
$ b, z/ k. x* x( e; e: k8 dget-global-proportion
7 n- D8 P8 w K. ~; H1 }let trust-value
g- B% y9 g8 O+ }' `6 `) Z: R4 Blocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
6 ~* w: O* a, Wif(trust-value > trade-trust-value)
! u% z( Z4 M4 `+ Z[set trust-ok true]
, z7 G% l6 O6 k3 \- l8 t9 Iend
7 r. u& c# Y. Q
/ N. S/ W- p* E9 J. `0 sto get-global-proportion
5 Z# `3 o9 `3 n' E" K2 s; difelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
$ `1 ]1 `' C' r; _$ D2 r0 G/ g[set global-proportion 0]
% ~2 J# `# U2 X" I: s7 A[let i 09 Q; ]" g/ ^. i! Y7 O2 X1 H
let sum-money 0
7 ]* z: z, K+ E. A1 Q8 e1 B6 Cwhile[ i < people]
1 {; j! D+ H! V8 x9 d1 C& @. j/ o& y[* _/ Q& [3 ?7 t" _# ]6 N
if( length (item i6 z/ W8 P& Z3 `
[trade-record-all] of customer) > 3 )
7 H# C' j6 c6 P[
/ k( y; }" e3 fset sum-money (sum-money + item 2(item i [trade-record-all] of myself))/ P7 p. |6 {0 C$ G9 k- d" x
]
8 l! e D+ t/ G- a" l# M/ k], a7 @1 S! b) G. c$ w
let j 0
2 Q* j1 y6 E( ^- J* z* S4 ?4 }9 J7 Ulet note 08 O6 x$ g/ p: r, y
while[ j < people]
7 h' z! N( x3 }' R4 {" `6 E4 L4 M[6 w$ b+ w" Q0 m, f0 B5 I
if( length (item i# \& v f0 E7 z; ^4 X6 I
[trade-record-all] of customer) > 3 ), u7 K4 m$ Y" o6 _5 n
[
, [7 r: E4 Y+ J$ q# Jifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
) s+ c6 ~0 K# S; }; e$ |' |[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]2 B% C% y6 q" X7 I5 }, |$ |4 [
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]+ C A6 P; Q" p& a/ p
]
3 m6 M5 a/ _/ L- O% Q! W1 {]
, T. \2 M7 E4 Pset global-proportion note! O0 y" m L, f' Z4 v
]# ?: X9 \1 ^9 |! ]
end: o! Y2 E4 E" T4 P
; v# h. S! ?7 Z9 w. t, G
to do-trade+ H7 V; a4 _( W) G5 u0 l5 A8 c6 r
;;这个过程实际上是给双方作出评价的过程# E6 e0 i% Y h3 L- y V5 ] x
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
- R/ j9 f0 b! y4 Dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
! Z/ Y! U% [1 l+ X+ Lset trade-record-current lput(timer) trade-record-current/ p0 x, h1 R5 \$ ~- O
;;评价时间5 k* K0 H& K: R X- Z9 @
ask myself [
* {5 c* b3 G2 i3 c0 D2 Q+ Kupdate-local-reputation
, o% Z" }) ~7 wset trade-record-current lput([local-reputation] of myself) trade-record-current# i! ]& v& r& ? `# f7 i
]
7 ^' H v6 Z+ R! A r. Xset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself- _3 T9 H' m, S6 J) U
;;将此次交易的记录加入到trade-record-one中& |& @7 A: P4 @) C8 o, b
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
# C5 L/ i: B: U2 @/ x' Elet note (item 2 trade-record-current )8 m: M9 h J- \1 |. f7 i- v
set trade-record-current
6 D% ~) y9 S+ T5 |% \* l5 {! ^(replace-item 2 trade-record-current (item 3 trade-record-current))
5 Q5 K$ C0 P. n$ ^* `7 L* h) N: a yset trade-record-current/ ~: @2 p/ u# }1 @0 n+ N
(replace-item 3 trade-record-current note); ]' b7 S4 {( m2 A. @
1 d; t+ K6 T+ }5 [- X3 M& ^7 K
. h) L6 H3 F- F2 o' o5 y% k
ask customer [
7 w/ E; P! V2 y! ]) o! T2 eupdate-local-reputation3 `6 U# i* `4 T# Z
set trade-record-current
! ~2 n- P4 j: `3 `: }+ W. f(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : P# U: Z$ Y0 ?: u
]6 y5 j$ M( z; [) O
- W1 L# R8 t% b, A) ?0 `
" e. k% j* \* uset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
9 V* ~2 X6 B5 t$ I/ v# c% R( A3 U5 g7 c3 u
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))8 R3 g) x, Q4 q$ W+ S. v. u9 X
;;将此次交易的记录加入到customer的trade-record-all中
' T, j7 |5 X4 lend- f' q: h, H" }+ t* M
/ V( r: r/ q, e' S6 U0 E! q
to update-local-reputation
' r s; [3 J K+ |set [trade-record-one-len] of myself length [trade-record-one] of myself9 @1 W2 q) g9 c& v
5 [' D3 i. `. b5 b
7 \: t ^: K- n- l2 N6 W;;if [trade-record-one-len] of myself > 3
+ }1 P9 j+ [5 K+ {update-neighbor-total
2 f1 j, |* E$ l, }% G( k; `;;更新邻居节点的数目,在此进行, Q7 ^5 ]" [$ C" b6 _* \
let i 3! H; i# ^+ r. `! L
let sum-time 09 i2 B Q1 Q' I" c0 J6 g3 h5 u! ]
while[i < [trade-record-one-len] of myself]
$ p3 O( v- m/ a$ @[, e% C/ f, O% ^
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )" |/ n: e, I' n. \8 v' l
set i5 h) G) c/ P/ y. V& t
( i + 1)$ u% E% w; O8 M3 U
]* M' w) a2 W6 r# |
let j 3: {) V( D* n2 ?* N+ B6 P' H
let sum-money 0
1 K: h2 ]% r% Z1 g8 o8 Xwhile[j < [trade-record-one-len] of myself]
% s# e" ~ t- _& @" z4 w[
# d( e+ a& ~& ~0 Q' Dset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
# ~( ~: l% U& V! Z# kset j
2 a9 O! G9 j. n N4 k: U1 T( j + 1)
7 M, n" l! i2 i1 f4 ~% X]6 U# o9 c9 N& w) B. a
let k 3
( x2 d Q0 e. ~8 W- n6 Z Ilet power 03 U, H/ N6 a; Y9 j# G
let local 0& Z3 p) s& F1 X' E! a, a- g+ H
while [k <[trade-record-one-len] of myself]- c& d5 L. o, l& V
[
; q# b8 u7 p. R/ Tset 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) - B! P m& E2 u3 d; l3 y) Y' u
set k (k + 1)+ u9 r' m% x9 D. h5 S) a1 H# N
]
; D* u1 E) u4 Z9 s0 R* a! h' |2 }! hset [local-reputation] of myself (local). D8 N7 V& g) @9 F3 b: l, t
end0 U- x3 {; f+ _( e+ |( I% s
' f$ ?3 H& K6 V4 G: m
to update-neighbor-total6 W, M$ Y& f+ C# J- i+ t+ W/ A4 l
7 ~1 y- ?) P1 N# F/ Nif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]0 v* ~; }3 J& y3 g, o8 F0 e
) d. ^$ W4 I( M4 v% j, c5 y7 A1 ]
& x7 U+ D+ _& h; z2 Jend
& l. z$ n- t, t0 R9 C& _ i" i6 L/ P
to update-credibility-ijl
* f+ r' ?, r# w% o0 k D- J. K; O6 _6 Y/ z' c2 ^* j
;;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。' w1 h1 f6 Y8 R, C' L/ b! ?
let l 04 u6 z4 p2 P; q; z* C3 J1 h
while[ l < people ]
1 Q5 F/ `; O* {! ~5 B;;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
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4 q. j4 j6 v1 j$ p7 U2 |4 N Jlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)9 e1 F& q m* _2 z
if (trade-record-one-j-l-len > 3). C1 N7 F& P- @8 z/ q+ L( I1 R
[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
1 _: b4 N0 v, w& |' Llet i 3
9 Q0 |* M- o# [* |% Wlet sum-time 0
2 N7 B2 f) {* ]5 xwhile[i < trade-record-one-len]
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set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
$ r4 [! J# B9 ?0 Vset i
+ M4 I0 @* n! ?4 V( `( i + 1)1 m* c! y( H2 K
]
; ?* u. h+ w3 z2 w- {let credibility-i-j-l 08 \* ]4 }3 F7 a5 Z( r
;;i评价(j对jl的评价)
' y( I+ O9 l" Zlet j 3) `* ^/ B5 U" J8 M& q( ?( [8 O7 J
let k 42 {, O+ Y. X" e& d8 X/ I6 Q. i' J
while[j < trade-record-one-len]
; K( e* Z% ^, ~[
! w0 P+ i* V1 Y- j4 c+ b7 Awhile [((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
* N' k5 a3 C- S) \% Sset 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)
7 k ]- V5 j; ^4 g' j% K E* Z X8 jset j3 @* h3 B8 G4 @$ v
( j + 1)) ~; p$ B5 \% N$ ~: ]1 i& Z
]
0 H3 y' h/ O; D0 F) L; ~, ~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 ))% k( D4 ^, `& A# b% x( x0 _
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4 b$ H% q' X1 Ilet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))! h: P' {; H) O8 y$ E
;;及时更新i对l的评价质量的评价
" ^5 L8 t* |3 Mset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
3 `( j" G2 @ u/ u5 F1 yset l (l + 1)
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end
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to update-credibility-list9 }+ p7 p- M# o, A. c
let i 09 W# P- b0 W/ a% H
while[i < people]
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let j 07 j3 c" ^8 P8 ]# E+ h
let note 0# _6 m( X# U( O' b i0 [
let k 0+ R m" f- [* |. v2 t
;;计作出过评价的邻居节点的数目
7 X& |# V3 c, v; r4 O& Fwhile[j < people]2 b7 c1 r: M% c; ]" r# ?! E" e9 d
[
) l ]# X: u1 `/ Rif (item j( [credibility] of turtle (i + 1)) != -1)
2 d2 p- l& e2 p;;判断是否给本turtle的评价质量做出过评价的节点
' W9 b D4 r5 W* d0 f[set note (note + item j ([credibility]of turtle (i + 1)))
5 S2 r" b! ~$ N( K# j5 r9 L+ {" c;;*(exp (-(people - 2)))/(people - 2))]
5 [3 J& g: W' t. H- _" H% sset k (k + 1)
, s5 N/ e* Y) L+ d7 z0 f4 h6 o/ J8 h]
7 `: T, N$ X1 k2 R: n, Y% h4 Mset j (j + 1)$ Y4 w% w! C( ^/ b( P% u
]
5 {" Q: A" m# P" sset note (note *(exp (- (1 / k)))/ k)
) y. T* Q# N1 ]4 Sset credibility-list (replace-item i credibility-list note); T6 q1 u; v+ \- I
set i (i + 1)/ V: R) v# d4 O; K* o
]
- V3 Z' j; T: p' R5 ?; Nend
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to update-global-reputation-list% ^: Z! O! Q! Z3 [! d' z2 D4 e
let j 03 x" Z$ s3 v3 T: E
while[j < people]* Y' _4 j: m3 k1 n
[
( w' W% ]) u4 D, U3 U/ @let new 0( j% E$ @3 M- W5 m# ?9 d' j% p
;;暂存新的一个全局声誉4 h. C# S" w; k: w
let i 04 `- `! o4 H1 M* G) j! l
let sum-money 0& B7 M, E# d1 a% F" w( f; N
let credibility-money 03 U9 u3 ?& b J/ N: A" j4 Y. p
while [i < people]4 p/ }( g3 a0 ^. v3 r5 k3 Y
[
0 R; e2 K7 D8 {+ H9 v" y( h6 q' t- Mset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
, W) Z' {) g' n: vset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))! a! N L" D+ T
set i (i + 1)
- ]2 J$ J% ]2 {( l]
' _6 U: }* ^6 t6 e/ V; z, Wlet k 01 Y& L' `5 O4 j4 T
let new1 04 H7 `. O5 I1 B# V8 V% B
while [k < people]
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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) }$ y" Q+ @' J% U3 C' v+ @" {
set k (k + 1)
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' z' f- n1 a. V A7 C4 Yset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) D1 L Z0 z* b- m
set global-reputation-list (replace-item j global-reputation-list new)5 j2 e: Y6 W1 K0 }( G- Y
set j (j + 1); v9 X1 Y8 ^% g% l8 i6 T! ~
]
% V5 m/ f/ A+ uend3 T+ \) c: Q# E
% }/ N1 T! {' r
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to get-color
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set color blue% X L1 x4 _! I2 y% ~
end7 M q* n5 t8 _/ k& k. q$ u8 @. A
$ T4 a6 {4 `$ L/ Nto poll-class \' j$ R- \9 B/ i
end8 y# U x1 @' [" l5 ^( f5 l! o
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to setup-plot1
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3 @8 o5 C% v: i8 `1 X r) {set-current-plot "Trends-of-Local-reputation"
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8 U% B1 T* N2 |set-plot-x-range 0 xmax) t6 C, `; S! \" X6 s* S/ x; F
9 P: q) l& e+ c$ y# Q7 i
set-plot-y-range 0.0 ymax
. L8 b6 t( [, w: e) X% ^; S6 ?end
: @6 h6 D. T" @ t; m% E0 q1 a- b2 M, [. t1 i
to setup-plot2
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. H. w5 Q$ ^# H# x+ T1 iset-current-plot "Trends-of-global-reputation"
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set-plot-x-range 0 xmax
' L$ ]+ A9 z" p. s* z6 F, ], [; ] t# d+ j7 ?! z6 H3 N" e, f
set-plot-y-range 0.0 ymax
; }+ n) @ [4 {: _% hend+ {) b2 g5 \4 x: f6 b
* U2 m. L5 x S8 m# {5 Sto setup-plot3
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set-current-plot "Trends-of-credibility" B8 A: [+ _( Y) a
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set-plot-x-range 0 xmax2 q$ E, [4 B% r; U: _
! o0 `: O" u5 L. s: Y. Yset-plot-y-range 0.0 ymax
: d8 X4 F8 t/ D8 ?" qend5 _8 S9 W. i# _, ^9 |
, O! Q2 k$ A4 I8 Q: l! O2 \to do-plots
& d2 g I2 ]% j* {' zset-current-plot "Trends-of-Local-reputation". p, z- V1 g' f* N1 ^2 h7 e- D* f
set-current-plot-pen "Honest service"
, P9 a9 @+ U2 [- O y& y$ p$ Vend
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$ u& _+ i' X! Y0 b& z7 d[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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