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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
9 d9 x, v- N' i4 q5 {- v% yglobals[
* }2 a( _5 G% o( n- gxmax
, k! z; [! w$ _/ v# ~ymax3 c1 y4 M0 w* y) L5 ?
global-reputation-list# e$ b: s$ U2 @; W3 e* S( e* r1 i
& p1 Y1 ?4 B& F9 w! p( B
;;每一个turtle的全局声誉都存在此LIST中: ]& J- v. J) T
credibility-list
c D6 b) t- X) f;;每一个turtle的评价可信度* e, {* R, R! \: r
honest-service
( O* [4 ^: n0 t( Gunhonest-service0 T: E1 j, i( Z$ t
oscillation' c/ ?- H7 {2 F. T: B2 F9 \3 } C
rand-dynamic3 i$ i& p5 S" s. f$ f7 m
]$ E7 d- q0 [3 {
/ c5 B2 L' ~* D, n+ `3 h8 }turtles-own[0 d- ]$ A( O( x: O( x9 N
trade-record-all- q4 e a2 v/ V2 H1 g4 L7 D0 B
;;a list of lists,由trade-record-one组成
8 W; ]5 q, X! b0 p+ {3 {; S! c* ktrade-record-one$ h; h$ U* c5 e3 O6 B
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录4 }. l+ M( _+ z7 m1 [3 Y$ j; Y
7 ?- a* r) n1 |' u. N
;;[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]]3 _1 G8 n: w3 _ a; D0 u- k$ Y
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]/ R' o/ E# P3 |. z% t5 u( C
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" a9 ?& X( m( _9 j1 u
neighbor-total
' a/ L4 l$ N) e% K& B3 O;;记录该turtle的邻居节点的数目. C1 P) h1 \/ O2 b
trade-time4 Y8 N( o- f9 o+ T O! p
;;当前发生交易的turtle的交易时间
7 u$ Q9 W% {% U; S# Eappraise-give8 }0 n; ~5 v# l5 m# k1 A
;;当前发生交易时给出的评价7 U$ M" |9 O7 M
appraise-receive
, s6 n/ ?/ s; t- |, }0 D9 l;;当前发生交易时收到的评价# C8 M9 X) e$ R% M) [
appraise-time$ O+ U( d8 ^( Y9 @& s; l @$ x
;;当前发生交易时的评价时间4 f/ D5 D9 X4 v5 {: j
local-reputation-now;;此次交易后相对于对方turtle的局部声誉) Y/ a; }) W7 ^! \, K3 ^) E/ @
trade-times-total% n4 l |# i# F6 p
;;与当前turtle的交易总次数3 ]& o; N( C/ L/ Q
trade-money-total
( p" o2 ]0 y" [;;与当前turtle的交易总金额
- D. }* ?9 t: M3 Vlocal-reputation
( Z5 Y' E1 A: H' P7 _" ]) N. u4 Aglobal-reputation
4 A; K# O, U3 ^2 lcredibility0 h; |& B; J3 M5 x3 q& m1 k4 H4 }
;;评价可信度,每次交易后都需要更新0 i5 F( o9 w# g
credibility-all- w2 D5 A" T$ \5 t
;;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$ D) K" D* S, e6 P% R! { Q* G
3 h5 r% D4 B, z5 T. d; F Z
;;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
& M8 e$ m3 h8 a, _credibility-one ^9 t+ r: Z3 G' y% Z" w" k8 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6 v. z Q$ r: A6 K
global-proportion, M+ Q4 ~; q, p5 @. ]2 T% H
customer
8 X# @; p/ b' a. h w+ k7 @customer-no
; Z# w: X4 E7 B* L/ J; |+ F* M8 j; ztrust-ok
) V3 f' g u( U; t7 d; Xtrade-record-one-len;;trade-record-one的长度
9 ]+ V1 u2 r2 f' z2 ]( Y]2 w0 A% E8 U+ x+ c" Q6 n6 o
5 ^" k% c/ P' S5 v j: {# W;;setup procedure# e# _& h) W0 A& H3 U. u# W
" s9 f7 l' Q4 |; s1 Z, m/ ]to setup
9 H. J @: |) z3 l+ _; n. d @. v4 l& |2 r4 q. e( u7 c- e
ca+ }: p9 |1 V2 S, ?
8 @' _9 K# Y8 T$ ?4 f7 d$ J6 k( Ginitialize-settings
{: s* R: Z3 _! d7 ~. E# s% g5 k
" d- f$ K+ z( ccrt people [setup-turtles]3 N! {. F2 j! i/ |* @
1 C) m* c% N4 h1 ~
reset-timer& K2 T, ~# J& [' V1 g$ G+ v
1 \+ h" h4 P5 j& @
poll-class( H* P9 I% u& R; P
+ k" n* ^: w$ v( h, s( r+ R) n" L7 q
setup-plots
" u' W' N: {! y$ G/ d8 X, |$ g9 u3 n" ^* o+ ^
do-plots
( o+ a9 K& X |$ [/ b+ fend7 J% W$ t7 o# I$ i
+ y& J( t4 `) @' F
to initialize-settings1 k9 k% D- \- ~7 C7 S
! V3 B! d& K6 X
set global-reputation-list [], A( K0 b" c! ]8 ?/ @$ @' I, }
3 }, c: [ y3 b$ p3 E. U5 Pset credibility-list n-values people [0.5]
. u9 u+ ]' E4 z% z: V$ c8 Z# ?" K/ s* Y) A9 K
set honest-service 0
$ v. g9 u' U9 K6 M% W; `
* E9 u" y+ t& S [9 {set unhonest-service 0
! z: Z# |4 o7 }/ ]# H& f, \% L- N0 d$ G" N2 b3 A
set oscillation 0! |; r' N; G. \# l) @$ [
6 M7 a3 L5 A" d6 _, @5 g, Kset rand-dynamic 0
$ W' N4 i' F. {2 @end6 H) j, f; N8 ?
E% K t$ e" f' A; f8 B0 gto setup-turtles
- W; }2 O+ n1 v lset shape "person"" |8 l9 I0 X% }( e z$ m
setxy random-xcor random-ycor
) z1 p1 D2 R# z8 Nset trade-record-one []! m1 \2 K% P) A# S, o4 z
9 I1 c# b. A% P5 n/ e q" `
set trade-record-all n-values people [(list (? + 1) 0 0)] 5 B4 e3 j5 {8 W9 P/ |5 D
# I$ d" z3 D; T3 Z, Wset trade-record-current []
, s- x+ O9 i6 m+ e1 \% K: Aset credibility-receive []
' I: }3 j* h- _4 H/ {set local-reputation 0.58 e. T8 ]/ A5 l9 b; U! R5 J
set neighbor-total 0$ y( H: w! h) P& ]5 X8 ?" O/ S; ^
set trade-times-total 0
7 F3 c% D& j+ V4 iset trade-money-total 0
! R! {" R6 n$ W- K1 S0 Y& Dset customer nobody
6 @2 h" Z8 y/ xset credibility-all n-values people [creat-credibility]% Y }$ f, r C2 ~1 ^
set credibility n-values people [-1]
+ j- x# g# _/ ?- k0 Aget-color
0 s" i9 T2 U6 J$ u6 l: S m% |
# w. M- P+ Y; y2 Bend% N6 e. h& n' Y- b8 z2 o
" T- l- V7 x. N* Qto-report creat-credibility
/ `# s7 {; e; ^; h/ w% X; I1 Sreport n-values people [0.5]
+ m4 o5 w8 ^7 p7 f" Xend& w+ D% N6 W1 v4 v. v
/ N/ \5 Q0 ]% p w( j3 b U& sto setup-plots7 G/ m) y8 K6 V$ A
O9 }5 w; c2 y( b& c |2 v" C9 q1 d
set xmax 30; I# r+ a H& D' Q' X7 ^: X/ F5 e
# h- P4 ` j; \* r8 T0 ]. i5 m
set ymax 1.0% G$ x; y( R% l4 N/ J; h r9 m
# z: k7 n: O) u) S. Wclear-all-plots
! _! j; J! b4 L" K- F5 A
8 O M3 n5 t7 X$ `" `setup-plot1
- s% J4 k# R+ q% ^# P. k# c1 w6 m* D1 Z
setup-plot25 v3 _: I8 [+ q; P$ D. [" C
3 g/ h; g9 n2 }$ z% o* `$ K% @4 \3 f5 osetup-plot3+ E+ }0 f; y* I3 M" D ]0 X+ B, t
end7 \ x' }0 |7 R2 X
) `' w$ I3 X o8 [
;;run time procedures% U; T! ]8 P0 m7 ^& V
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to go2 j0 I8 L- @& S- I6 }8 U1 G0 d1 X
, O; H7 W; M" ^# n8 M B; P k# aask turtles [do-business]
4 J* P4 y/ B5 A3 u3 g# g0 d; Bend6 n J! {9 e8 E2 I- _" |6 g) V0 I
- s$ M4 m# R+ Bto do-business 0 Y9 ]$ i3 ]5 |& m3 }) Z# _
. f+ ^% y! z: J% C5 V3 F, Y
7 C! o7 o6 H2 F7 trt random 360
: M# _, I7 m2 Q2 T. J+ n; C z2 ?( Z8 Z3 u$ e6 I7 r
fd 1
1 Q4 o' Y2 R5 F7 Z. B% }( Q& N7 y, E1 `( Q
ifelse(other turtles-here != nobody)[
3 ]$ X2 k6 K" {$ h' N9 K5 c% u
. n9 V1 Z. G; j0 G& n) s! Zset customer one-of other turtles-here
) ~- W5 R9 P( B* H0 h
- V/ y: p/ d6 Z: x1 S;; set [customer] of customer myself
0 [& | [; G4 [. e2 B) A& C$ Q4 f6 |/ }
set [trade-record-one] of self item (([who] of customer) - 1)
& p0 r2 @1 d8 O7 t3 h: p2 a[trade-record-all]of self
3 d; u, H7 n! h' \" R3 [;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self. T M" ~) z2 E# s3 N- ]
$ n$ d- O. x" T$ b4 P$ G
set [trade-record-one] of customer item (([who] of self) - 1)
& q7 S- J, S! ?+ U) a[trade-record-all]of customer# |9 J) T- M8 @% k& q2 g5 d: x
A0 L7 ?& Y' ?. E% bset [trade-record-one-len] of self length [trade-record-one] of self0 e8 v2 k# s( T: j/ T2 V$ A
0 X6 [: f" ~1 v' _( L6 A
set trade-record-current( list (timer) (random money-upper-limit))# c. H/ q' p/ s
+ [, C1 K! W; B9 T1 t( J" Mask self [do-trust]
) c& M+ h/ d8 V( R7 R/ H;;先求i对j的信任度
- U7 J! ?; X7 y& m/ Q8 n% v1 s; D+ u4 t1 `
if ([trust-ok] of self)2 |- p& O9 M* p/ \) y: h( i; |9 l4 d6 t
;;根据i对j的信任度来决定是否与j进行交易[0 ~, n0 h/ z& B7 U
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
# N/ `1 b* f. i; J0 C, Q. `; W4 j) e( [# A
[# V, e/ e( _4 p- Z/ Q ]
9 X) g, d2 p4 I
do-trade% R |- }) P! z; \( R' p
* H* y! o; b# E
update-credibility-ijl
3 d# Y& Z0 c0 |6 ^& e" V' @
" X7 v7 n% m7 p' q) kupdate-credibility-list" G: B, S9 ^$ L" f3 L5 l2 ^
" f: q- J0 J- G7 m9 u8 v7 t' ]8 [
$ t' T; p$ ?/ a% P9 w( H: ^* w% ^
update-global-reputation-list
% p, M. d! S" k$ N5 p. c- W( W( ^1 a8 ~7 v+ I: f; L
poll-class8 p$ ]) g1 G8 `: q4 u: q8 M% x
% k% [8 a: f+ b0 g, p5 I
get-color' H2 u5 s* _; F6 _
3 `+ F: ^1 ?* |+ S5 _- c
]]
7 u5 z8 H7 H! m; V0 ?0 \+ C( L6 c, x1 M. G5 \
;;如果所得的信任度满足条件,则进行交易
: g9 @# ]$ B& n ]! W% y
5 Z9 K; e V: }: z- `) [1 k. w[
6 \( l: }; Y5 P; Z4 W: u$ `* J, L0 ~9 H/ E k! y
rt random 360" B( \" M0 V, F8 Y z
! k$ j. L8 d$ |+ d
fd 1' y7 I- v$ R1 J: G ^/ d
0 E! h# O$ x$ L1 M) I]8 ~- [& M! b- q
# n8 U4 e. Z$ t2 W/ W( |" Send
% X+ S1 J" F4 k1 |& c1 B; D
& M. y( d6 f9 l! tto do-trust
* \/ D2 ^, Z* ]2 Z G0 g4 ~set trust-ok False
) z8 }% f. F* R+ T
* z# [. h- ~6 m; o4 H
- X' @7 c9 ]# @8 J. x1 F$ H- r3 wlet max-trade-times 0
. _& G( ]+ K0 g a' r j) ]foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
6 e+ e- c* A, r( q( g* V. X9 flet max-trade-money 0) f0 `5 Z2 V4 S) c" x6 A0 x
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]9 F( B( [: e S! f% F
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
6 o* m- ?+ t/ ]( u* I' @
, A0 h5 i, e6 `1 k3 J3 i1 u5 q$ f% k" s' o7 o8 C8 P, y; [0 u
get-global-proportion
- n2 r. [+ O' D. l0 a0 |& p3 \! Olet trust-value3 Z8 J+ r+ L% }& f
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)
& I) _) x& ?3 y+ T3 T; `& c9 Cif(trust-value > trade-trust-value)+ ]$ s7 _, ~. x& H3 c- @ y
[set trust-ok true]
+ c$ w5 O* ]& K+ X: U; W6 x: Cend: ^# U" S4 A3 [6 g
; S/ F7 ]" S5 J2 Q
to get-global-proportion _+ K7 g1 z k0 |2 p* }0 ?
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3) |# m* d8 D9 M) m/ q8 z
[set global-proportion 0]
+ x6 Q8 \# _: i( T1 b5 I4 Y- w[let i 0, K n, K* u" }. u0 j2 `5 u
let sum-money 0
* A& o6 s* v. P% s' u% f# Kwhile[ i < people]
]) z# N2 i/ k) e( c+ x[
, Y9 J. _3 f- x: w4 B3 H2 p2 Q/ ]* tif( length (item i2 z) j' k" [& u& i7 H0 |
[trade-record-all] of customer) > 3 )" |% J6 U+ J# {* F, ?0 r% u
[
# i" B$ T0 z; s4 e( a6 f& Uset sum-money (sum-money + item 2(item i [trade-record-all] of myself)). f" S. ^: X6 V$ P
]
1 ~: ^! U6 j4 I) q2 P+ d6 U]* X8 O7 Z; T9 `/ M o6 ^
let j 0# m- J6 E P# m# {9 [; |
let note 08 f- ]7 m; L8 z5 _/ V
while[ j < people]
* O5 {8 o# D( w+ q4 c[
' u1 m# P% n+ M- C1 _if( length (item i' Z- q! p$ N% t
[trade-record-all] of customer) > 3 )# Z3 |# X; z- T& t7 @- T0 w- x/ W
[7 S1 l3 L0 Q _6 K: [
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)8 u# T6 U- B3 c0 d3 B s1 k
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
( u7 @: a9 Q: A. R[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
6 @/ q4 q, ?7 Y/ l]
! I( a6 a: K' J]! x4 A! i+ x8 g2 U+ v
set global-proportion note4 ]2 L. ] t0 D) V+ X: o
]
2 p# j2 b, K# g) y7 s" K7 z: Kend
) S2 \7 t8 J3 n+ S c- k
% e2 G. D J# g: g7 f8 b5 j4 Xto do-trade( g1 g* p; h- D& Z/ e
;;这个过程实际上是给双方作出评价的过程( r9 m0 w f1 q: [
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
3 g u3 O9 ]$ C L, X7 N$ N2 Gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价9 E0 |: j* H3 L% x0 M1 @
set trade-record-current lput(timer) trade-record-current
" u* o" N. b/ \;;评价时间
; f( f6 w. E- @! Q$ \ask myself [
) }; U% m! w1 }8 X2 x4 Vupdate-local-reputation
* h) \: R6 L+ T6 l& [ nset trade-record-current lput([local-reputation] of myself) trade-record-current; F( ^: r' u+ t3 ~; w
]
( a0 V a1 g7 M( m! lset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself8 y8 p% ]( E! ^4 ^4 o
;;将此次交易的记录加入到trade-record-one中
8 U$ G' C8 p3 D: Eset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)+ \: t) Z* E) _6 Q& M- F
let note (item 2 trade-record-current )
7 S* z1 d X6 C7 Dset trade-record-current# i- R8 j, Z# n& G
(replace-item 2 trade-record-current (item 3 trade-record-current))
6 D% q& E# U, c4 X! yset trade-record-current
+ C0 e2 |6 z+ s( y+ I(replace-item 3 trade-record-current note)
/ C( I7 A6 ~+ w/ y2 O5 h& g5 s; X; j, d* H+ {7 s, ~. O+ T
8 _: o7 G$ f8 _3 y# z1 l sask customer [
. k# d* w3 A+ t) z$ X, ]. Lupdate-local-reputation4 V' R4 W5 i- r( b" H
set trade-record-current+ | A& t7 ]% b$ G
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 2 Y- {0 ]' p- E) N
]6 H% A9 o5 _: K( u6 S' C0 M v: u
* B% B5 X$ g: a4 f* T7 [, P3 p- v, L2 b* Q& o# z- D, U8 g
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer$ y5 [+ t9 m+ A5 l: o# X4 U% y! A# C
8 {5 U# K( D2 r0 ~- j) \( \6 M8 ]
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
G3 Y! f; |" {. y$ f;;将此次交易的记录加入到customer的trade-record-all中
- O8 T. |( y, E+ W; [end2 S; {! P, x% e1 V/ [7 i( q5 v7 [
/ z8 j: }, ~2 a7 C) w% Y7 M1 \: W) pto update-local-reputation0 z A, u" Q0 a. F9 x
set [trade-record-one-len] of myself length [trade-record-one] of myself. L @- x: Z k+ `" o$ _, p
, b3 P8 v2 ~" }: f- u# v8 u
! a2 o( }5 a# C- n
;;if [trade-record-one-len] of myself > 3 3 F; Z, m) N# \/ ^
update-neighbor-total9 w/ t2 Y r" N
;;更新邻居节点的数目,在此进行
2 c# T! E# U$ p$ t3 A* mlet i 35 t9 C1 X3 K$ A6 s S9 c
let sum-time 0
0 W& k. y6 K" {: `while[i < [trade-record-one-len] of myself]
, f2 A* J1 n" e, L[4 Z6 U/ o4 k+ A1 s4 V
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ), R$ A! r% u0 M6 ~; H- d
set i$ z: W4 o. V! I' a$ Q- ?7 G9 h
( i + 1). F: C% C1 v; z) Q& \4 Z6 X2 S
]" g/ `) p2 T( s+ E7 R9 K
let j 3
# u' y2 h/ ?1 ilet sum-money 0+ M9 Z) X0 _: C, k
while[j < [trade-record-one-len] of myself]8 |1 W0 b% J. I- b" f2 q
[
+ Z1 f5 ~4 L4 @. o1 fset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)5 N8 s2 Z5 M, g+ Z8 P
set j7 t, v' m j3 j0 a
( j + 1)
# v. Z4 n& h4 a9 H7 H0 W! }- G]2 }/ w. v1 p2 F8 w9 n
let k 3, d8 f0 k8 j' {: l' T1 d
let power 0
3 {6 n$ D4 P5 m7 q/ o2 u9 g. xlet local 0; C) \% s& K7 w4 q
while [k <[trade-record-one-len] of myself]; j# r5 V0 [& E8 [
[4 r$ H& V7 [! s6 \ D# z x1 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) 0 [9 R- `( Y& ?4 i
set k (k + 1) h8 M% ?4 R' y; s
]7 G, }& D$ E2 O9 Z$ o
set [local-reputation] of myself (local)
, S1 J) v: Z1 [2 O: W, qend8 k) c4 K: G) ]* h
+ y2 m' V5 r. w, R
to update-neighbor-total1 b W: u+ H: u# V
8 C- \ p A7 U# C$ S
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
, e# a# Z) K l
5 U4 A2 L2 `0 G0 k4 U( {
1 j' a- H7 B' b% i- d0 ^4 cend
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% A9 e; g1 H oto update-credibility-ijl 9 M$ @( ?! c2 H
" F* ~7 [: f% l" ~* T;;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。
}$ e+ _! _% j% l8 j8 y7 u1 C7 Alet l 0) z& z7 Z* ?3 s4 e1 w" z- ~/ B4 w
while[ l < people ]: D4 H H3 e7 T4 b. I1 V
;;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 L4 \% ]; B1 X1 C
[
( I) \! F& Q( z% t1 p3 ulet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
$ U, U. I8 C2 v$ P/ m! uif (trade-record-one-j-l-len > 3)* j: g4 m8 g& T3 g/ O8 K
[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: _4 J; U5 C: }3 P8 j5 W
let i 3
1 I; Q, f# O; q" b% s( W1 elet sum-time 0
$ S6 V* E+ f0 c# O" Owhile[i < trade-record-one-len]
0 b+ G. x: w; y! f/ s% o e8 |[( @9 Z: e4 q+ A! `+ c" D
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )$ A; ?: w1 Y8 a: {, ] E3 J5 G
set i% a/ T+ d, t( V1 z2 V5 S* v
( i + 1)8 r' }# }3 t) I- W$ q! M' `) e
]( g& `9 [* X, v; k, Y0 z; O% r
let credibility-i-j-l 01 T8 @& O L3 u. G- X& t
;;i评价(j对jl的评价)" [! G! t2 B4 B4 {/ G/ M
let j 3" m% s5 \ g$ o' K! D
let k 4
/ k- Q9 W: X. L, xwhile[j < trade-record-one-len]: C1 a' r: N3 g! Z
[) }9 z. A! r; y1 f- C* e2 R! h
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
. c+ Y o6 L) R2 ^) f( Z* }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)
2 u( E4 a3 Q- q$ K5 Wset j
8 J6 W7 i9 o7 I# e" A, L( K5 A( j + 1)
& V4 Q, \1 a4 m; h7 Z# {, \]) N/ O+ l* A" n$ p- k/ o7 R/ E
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 ))
; \. P/ i+ x- E" k9 z% r& T
J6 R9 x0 P2 ~5 ?! |& ^
& r3 C; g2 ^+ c5 L$ Ylet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
) [; m7 K( T" ~6 C% k$ K+ v# |;;及时更新i对l的评价质量的评价$ H# D9 \; Q+ w/ o6 _/ v5 l6 d
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]2 F- {2 v. g3 s" ~
set l (l + 1)* D, o, |; t# W
]
: P2 h3 P e1 G3 Aend
- G7 {. ]) K- g$ `$ M. W( p. `& h6 Y r! {! s2 O
to update-credibility-list" g6 l& i& k5 _# C7 o% M( w
let i 0- `, I; ?# g% }- e' I
while[i < people]2 ]3 T. P7 Q$ H) m* q3 {7 U
[1 p" I, _2 g4 f5 q: O4 r7 g
let j 0. u# h4 J( B$ y H
let note 0! n; o3 r" H" Q! s$ [, \& ~- |
let k 0
; [% I2 c6 ]5 n;;计作出过评价的邻居节点的数目
) Z) P7 E3 A1 h4 p7 w" @while[j < people] x h- ^4 Q% w
[
5 e3 Q" F: K q- C0 ?5 d* y7 jif (item j( [credibility] of turtle (i + 1)) != -1)
+ u U' q. T& V( v9 |0 I; F& q! d# l;;判断是否给本turtle的评价质量做出过评价的节点0 K' V, ~8 Z6 S6 @. m( ?/ G
[set note (note + item j ([credibility]of turtle (i + 1)))
9 k ?2 ]) S/ _1 d* d8 ^;;*(exp (-(people - 2)))/(people - 2))]* o' i# E: r. S4 r. F' q
set k (k + 1)
3 y& ^# g7 I' z8 A# T]
9 Y; F# P& {1 C9 W& j" Gset j (j + 1)0 I* G6 |/ b( Z! W- U9 D, p6 I2 t6 _8 h
], ~. M I/ {+ _' b( ~
set note (note *(exp (- (1 / k)))/ k)
& U0 g0 H0 Z- l4 N0 O0 oset credibility-list (replace-item i credibility-list note)
0 y3 Y7 q! Z$ gset i (i + 1)- o# d; b- u5 F z8 }6 y
]
* i: S+ k, ^+ l2 `" D# cend
$ u6 K5 N5 F$ f" D
6 n# i3 E( K: U5 ]: ~to update-global-reputation-list: Q; B g$ p4 k* j+ c( r
let j 0
, i. ?% \/ u5 Z& b, V6 ?while[j < people]
( W4 j( [4 _* Y[7 `0 c$ y5 \, ~5 S
let new 0! L5 a6 w( m" w& d( L
;;暂存新的一个全局声誉4 a6 _% m( _1 i5 @( t
let i 01 v, K1 i( k4 k
let sum-money 09 C) t b3 H6 e8 x( X/ u
let credibility-money 0& i1 w/ Y3 W5 N+ `- N
while [i < people]% [5 _7 C5 b5 \% H% f
[
4 k L W0 L- W' ?1 F5 gset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))$ g/ G! G5 k: k5 H( C! S; V
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))# P% M& t5 \: K$ B1 s
set i (i + 1). v% i1 f+ h* K3 P% i
]' G# q$ X7 a! n. F' r" y
let k 0
7 |. j7 `) |$ e- J, H1 F: I' Alet new1 0
! M4 g& r7 H1 Z) b1 Dwhile [k < people]
9 X9 U: _: H! U. ?[
Z6 V& t* o' p9 e9 c% N9 jset 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). J! X; J. ?( ^3 `
set k (k + 1)
$ l- x& {: x8 w. Z5 k]
; ^: Q5 q" @& U E E* [1 [set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
* J2 S9 c+ \' I0 d+ ?set global-reputation-list (replace-item j global-reputation-list new)
" M$ |! Z5 f' |. G+ d8 j# n* n2 n: Mset j (j + 1)
9 q( X6 D- S( X0 j, A" T( {( |]; a, C6 D% @' Y% I2 X
end w2 f6 B$ `5 w5 F$ F
" e4 i, c: y- m# S) z
: ^7 T5 E; i# z6 \1 D9 a9 v5 |; i8 N; n. {# B1 l
to get-color
9 J9 |# X9 b& g# l+ }, q
! p9 N+ p2 q2 w$ Y eset color blue8 {& C! L. c L/ j; F7 Q
end
5 d; l3 T C" x$ b8 `7 d3 d+ g$ j9 |$ t& H
to poll-class
/ b# |. T( L. d+ Bend
- U4 s3 q- G5 x
% C0 Q+ E0 W( A8 k9 x; Xto setup-plot1
6 b( v/ N' r2 l& q' f X# [7 X7 L/ P/ {$ K5 f
set-current-plot "Trends-of-Local-reputation"
* f( d3 u& a: V# h! N
% t* j& a3 k* p1 tset-plot-x-range 0 xmax
2 [4 R) P9 I. ]( X" g! I
1 s- {* N* |9 m9 _ d# R3 N4 Jset-plot-y-range 0.0 ymax
6 y4 E* f" J3 lend
1 V8 P, A1 e# Z; c9 o1 \2 L0 H4 |) a, o+ c! a
to setup-plot2" K5 K# J( ~4 b: U+ g
( R; N, g! T) n$ P8 F
set-current-plot "Trends-of-global-reputation"* n3 r4 W5 Z# ?3 J2 [
* `4 c6 U5 f( D- a* d1 C# dset-plot-x-range 0 xmax5 E! {3 g7 Q- K
: J& u! o& ^7 i5 {/ X8 |set-plot-y-range 0.0 ymax
9 K2 c( w' H7 m$ t8 }end3 I, o7 Z& @9 w/ a* Y
1 c+ B) [( d3 k6 `to setup-plot3
: D& }; Y8 Q: ?4 B& n
9 v+ t; D9 b0 q$ \7 }set-current-plot "Trends-of-credibility"
# I$ }. e. p9 ]
0 @- `* I/ o0 n, h5 Xset-plot-x-range 0 xmax
3 b# g H2 k+ G- b1 m% v" J5 I' w/ I. x
set-plot-y-range 0.0 ymax
5 A" G5 q6 H) c& wend1 l; U: W, ~; ]0 W6 Y1 @
; A" o+ a! W. v% h5 w' o( Q+ cto do-plots5 t1 D$ ~9 x, Q
set-current-plot "Trends-of-Local-reputation"
3 v3 j9 g. K2 j& Y' j3 T- `set-current-plot-pen "Honest service"
[, g+ B/ {! B; [end% Q* C% ^$ y9 C
( d5 E9 B$ F6 K9 C[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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