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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
G4 n' L0 _, Y, l+ A: i/ ^ {4 Tglobals[
: f, m; A0 K' Q/ X M! m* Nxmax
0 s- Z5 ]" i) d0 gymax
) |2 s( o% H2 x! wglobal-reputation-list. [+ p5 w$ U' G/ m! U1 d0 ?# V
( G/ U# k9 n2 ^! w& q* B( n
;;每一个turtle的全局声誉都存在此LIST中
& c6 t* q6 B, [* t3 hcredibility-list
$ ?% x4 e2 l8 v8 j7 Q% y$ k;;每一个turtle的评价可信度" ^: ^) G: p3 |- T5 A/ G" Q
honest-service, a( O n/ f+ ?4 u! J6 V \
unhonest-service
2 S" `8 S9 Q& G5 hoscillation
# ` V4 e/ F0 `rand-dynamic1 Q3 G7 j$ L/ i1 k9 y0 g
]# _ b. u! @/ a# r/ b8 ~
, [4 i7 A) U3 @+ P! A
turtles-own[' [. s" n) f! q9 f: O$ X: }
trade-record-all
- h j# A7 k5 S;;a list of lists,由trade-record-one组成
. R+ v! I" q+ |! g0 y) k2 ntrade-record-one( b) H/ V( c) T; _+ j
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录1 N. c. l: v9 \. d
$ j9 o1 \. {: G;;[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]]
1 ^/ I" X( S( M8 h, vtrade-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]2 p6 v% n6 O- Q/ k+ L: H
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% X: m$ L* L/ E3 [$ O& i8 t4 m
neighbor-total$ U* z* h! M4 k: I5 _: P& v
;;记录该turtle的邻居节点的数目& k% j4 @& x2 K. Y
trade-time; A1 L% ^) J5 d
;;当前发生交易的turtle的交易时间
# \2 T# ]9 `: o3 l* mappraise-give% R% D' \/ S! A i8 s2 p
;;当前发生交易时给出的评价6 n$ p& e9 e* M
appraise-receive$ r, z' o' c8 E* v- I& p. S0 S+ }# T
;;当前发生交易时收到的评价
- D' p5 p! I3 {# G: z' tappraise-time, W0 B) f3 A9 {3 a" @
;;当前发生交易时的评价时间
5 e) b) {9 C% Alocal-reputation-now;;此次交易后相对于对方turtle的局部声誉2 p \7 w9 p; r+ @
trade-times-total8 {% p8 u2 j" Z* J9 E$ O& w
;;与当前turtle的交易总次数
& ]/ y0 c- Y X; ^$ _7 @trade-money-total+ |2 ~& X* R6 [& P V: r
;;与当前turtle的交易总金额6 r0 z- Q; n/ r! g4 P
local-reputation
0 C9 P7 E2 w# W! Mglobal-reputation) X: [6 v' p2 @; _3 ~
credibility
! r% z& |6 v! w X7 Q;;评价可信度,每次交易后都需要更新! @: Q# w/ _ e1 c
credibility-all) C3 I5 Q' e' }
;;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 F2 C" s; ^" m4 `$ s' f# ~9 v
0 g# R' F/ s0 a- i; t, O
;;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0.50 A9 a3 W% u0 {
credibility-one- k. w9 @9 h2 }; O6 N4 E
;;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 d9 a* q P* x/ D# D+ L4 s U
global-proportion- ?9 r0 e/ ~5 a" b7 T
customer. @4 `' m5 @* D2 X- o
customer-no6 h- M, m. ~" R# n0 e
trust-ok
4 |, q5 f( G' b* t8 ?3 ?trade-record-one-len;;trade-record-one的长度2 j& L/ Y0 W+ D5 U
]% Y0 W5 A' }# U& a! s
% o* E& U- Q) ~;;setup procedure
% }4 w k% W+ N: z, A1 k
$ U% @/ q1 t" u# W/ X% zto setup
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1 e7 w, [) x+ V% Vca
: o, E' N( H& Y7 ?: J2 A! l; f, }1 c. U6 r
initialize-settings; h8 [2 p4 `; H# ?. l+ w7 K0 ]
7 i4 E& ? Z& R$ W0 w& n+ j
crt people [setup-turtles]" l+ C6 W/ P/ d3 c6 Q
2 P% G/ B' M1 `) R7 g" F! ]" Kreset-timer. b8 V" {3 _9 c) o! r% C
+ J' _! H9 q% v
poll-class
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$ y" P( r% H* ]$ l R4 Qsetup-plots2 E3 N( ]7 D J3 v. A
( f5 k2 L, r2 h* A9 l9 i ~
do-plots& I& r5 R1 M: [+ r
end
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to initialize-settings
, }$ }4 }/ {1 x# u2 d
3 |% s2 _; U. V( @' Wset global-reputation-list []
2 e9 Q3 M0 ?( A$ |, n4 d7 k6 _% v9 f1 n( ]4 n
set credibility-list n-values people [0.5]# X) K1 a0 ~7 d7 G0 B: O; i. A
9 {2 g$ @& |2 d5 V# [set honest-service 09 g& n8 h" P/ k6 r
, ^& N# ^3 W. f& d3 l; ~3 g/ M& [/ tset unhonest-service 0
# \, C- b( N- N9 f6 h3 B: @5 b3 y9 h' r/ V+ x* f: D$ g+ X
set oscillation 0
h; I, d5 `% w) C0 H+ h" D! S. j
set rand-dynamic 0
@, m' h! s) `7 R& Jend6 Z: A; v( ]. d* x7 a( Q
# }6 s3 v. [; S1 H7 k
to setup-turtles
1 r: h% v- O8 D0 \, X( ]: mset shape "person"
3 @# O9 B/ D# ]# C; Ssetxy random-xcor random-ycor
3 G) I5 f, ] c- Y; L6 J" @4 g. ]& n nset trade-record-one []
! _2 I1 t5 y0 d1 M
. O, w5 }* V( C0 mset trade-record-all n-values people [(list (? + 1) 0 0)] ' y+ ? g$ X% N8 F% M7 O
, i5 h: H- g8 o' {
set trade-record-current []+ b) V# Y# O K- O# n8 t$ [" \
set credibility-receive []
' u$ X4 c* u w2 Y D% Sset local-reputation 0.5
, V0 K7 o( y g! @set neighbor-total 0" `. H5 ~1 L$ E$ [
set trade-times-total 0
& }: w- b( P6 V- nset trade-money-total 0
; K) \5 x6 w" a6 {set customer nobody0 p: c# P2 P# K, i
set credibility-all n-values people [creat-credibility]
9 n. V! i x/ v# q2 T& fset credibility n-values people [-1]
% p* X i4 Q) T# n4 Lget-color
2 S! Y2 o1 N2 z5 y9 O% n1 }- H
J( w+ y" v; X, c3 M8 n# g6 j8 Lend1 T; G8 m- O/ ? E3 T! z! q
4 c ~; f+ h/ Z/ j
to-report creat-credibility
4 g. f( J8 g* `0 H, ]+ w: s- lreport n-values people [0.5]
, f7 {7 o: a" G" n2 Z* n( fend2 e9 M; J1 i7 {- S2 v6 b7 Q
% U% V/ f# l$ d* qto setup-plots, ^9 W9 T4 v0 u( W- e
3 d0 p: X F# y9 \! t! ^7 T$ t+ Xset xmax 30
, d7 O! a/ }5 I! @. I( |% F6 C- Y
' h0 c; q$ r7 m9 m7 pset ymax 1.0) q+ W% {' a9 H* S8 x. d
/ {, U4 z& U2 p! ]
clear-all-plots- D: M1 s/ B( {
% F. o* i9 I. p/ [2 y6 J; T3 v! W- \setup-plot1
% h, D2 ?5 T+ r' }7 S+ x$ D
, F8 s- y# B3 I7 |: nsetup-plot2! c8 T# U" v7 `/ ?7 p* b7 e
/ ~6 w! N/ J( h$ ]& v! F
setup-plot3" _9 C) W9 o, d5 [9 h
end0 f5 E# [* b5 @& j& L- E4 i
5 o, A( ]8 R5 e. `0 V$ ]& Q& [) W K
;;run time procedures* M/ B+ v1 {/ K! G$ r
4 \) K7 P3 t" {' |% T& h" [to go
! i0 V9 \; Q) U3 J$ G* }6 C" b& p: u& o+ k9 T; n
ask turtles [do-business]! l3 P8 e- B4 B' A1 W+ q C
end8 C n# s6 E5 ]6 [- u0 s
( N4 n0 U9 J6 k' ?; Y2 j1 q
to do-business 8 L# z3 ^/ m5 S+ E* g
- w9 |% U5 g+ J- j/ x
( H: Q9 s8 ?0 L9 B$ T. ~
rt random 360" S1 `5 M$ t/ H/ M/ G2 y& c8 ]
# d/ z) h3 @- J$ h3 M# l3 I) e x$ J6 Mfd 1
1 {1 d$ m/ }0 x2 o, p
9 \0 O% X& d5 v# `( I# r% N$ Uifelse(other turtles-here != nobody)[/ r( T* D3 ]9 Y3 n* f% p/ b9 V
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set customer one-of other turtles-here
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1); I% V' ~, ^1 G0 ?% c
[trade-record-all]of self
' W7 D6 V9 D- O: I; o4 R) V0 `5 |;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self( Y3 X" Q& H+ ~* [" \! [
3 Q( P. a0 R$ k4 U9 _
set [trade-record-one] of customer item (([who] of self) - 1)
q5 i4 ~8 s. Z2 f/ C+ ?/ P[trade-record-all]of customer
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, _. A" V2 Q, b7 `7 ?set [trade-record-one-len] of self length [trade-record-one] of self
: M# z. U" N) W7 u( t! D- v0 w s' ], q
set trade-record-current( list (timer) (random money-upper-limit))" J. L8 e( ]5 h* W% z- V
/ s# \8 i- o4 E. {( r" y. Dask self [do-trust]
r$ }% O9 p. b j) f;;先求i对j的信任度
1 U) s `2 ^+ d) h; ^% c8 P, ]" J* Z3 Y( C* T
if ([trust-ok] of self)
5 n$ S5 l! d7 O$ n7 u' W! l$ ~;;根据i对j的信任度来决定是否与j进行交易[
4 a" U& M- j% a+ Q- w2 A3 F+ nask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
f5 r7 `% w9 X
8 C! l0 j- T5 |3 x1 h( p, }5 B+ V7 `[
6 Q+ A0 u+ a4 l' S" _) n" f( I; r9 V
8 D$ w( w3 h9 |6 K4 odo-trade; p+ i( v/ ~; {2 I7 f" ^/ n
" p+ y. n8 B4 j) s; G8 z
update-credibility-ijl0 j9 T- t* ]! p: H
) }4 D: I$ W0 V; T; J/ O; e) Uupdate-credibility-list9 v: s$ {0 n$ G; c
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update-global-reputation-list
3 Z; F& B+ O9 I: a5 Z& m2 L
# V7 ]. J7 f* N. c7 A) a! hpoll-class6 p: e {; y( h m- q
8 M w2 \; m" g% \, @
get-color4 }- s2 M! f m/ x' ]7 Y
2 P" E7 S- G; ?( V6 X
]]
1 [9 `0 ^- \- R @5 s0 F/ n5 c* R( P4 ]* Y0 _; U4 Q1 J' r- v
;;如果所得的信任度满足条件,则进行交易
0 c/ D( v: B% t$ u% S9 {) V# W, ?3 o+ {0 N. H& g6 _" E" Z7 C
[2 o! N8 b. C$ G; _+ Z+ l% G1 j( `7 |
4 O+ Y: x* H2 w7 D& drt random 360( C0 g) \, g% t J N3 X
/ M9 I4 K1 c1 F( ]- Efd 1
* S8 c2 w% E% c% [) P; M+ E# d/ F1 M+ C& v7 k' j
]& e7 m, t8 }; {9 m. j! [6 G
3 ?. I# I' A8 A! g! b! K Nend
+ g V. f8 c" H8 O. h' B6 l! m
$ O0 Z! L C6 }/ y. Vto do-trust 1 m: ~1 n' {- Z
set trust-ok False
o& a. l" }' o- F2 P. Q8 R: d) x, g. K
0 ?0 X0 U% f! Y: a8 w8 P1 r
let max-trade-times 0* \ G( y6 ]. r1 Y: A6 Z0 h& s7 d
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
+ _9 }8 f9 _( X' slet max-trade-money 0: F/ y$ }+ k" G: m
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]6 a" K+ ?* M' Y$ ^7 Y& u; n! e
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
1 E- o/ q& @& o2 M6 ?( m+ d* [$ ^
8 |9 h: G* [$ \7 N6 H1 x! G
+ P: x+ v7 ?: Oget-global-proportion/ l0 a1 D1 w3 H" i! E0 c: Q! h
let trust-value
) U5 V- l8 n' j, M# 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)
3 C( ~3 f& p# P# [( @6 Z' Tif(trust-value > trade-trust-value)& Q" j3 z2 d l5 Q% A3 u; T
[set trust-ok true]7 }* F( R( ~% P; e5 |% b; B
end
G0 M4 I6 f; M: \2 D- t
8 r+ ]7 w4 A7 s' ^! ]+ ?to get-global-proportion0 b& p) o, A7 x9 [) Y
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)) k8 D) y$ ~4 t& ^1 D
[set global-proportion 0]; x) \# }, Y( G/ \
[let i 04 `1 s* z' ^1 X8 S) I" C2 j* N
let sum-money 0
: w! Q. ~& v. t gwhile[ i < people]" O5 p' c; C9 y
[# H2 V5 `0 @. h2 x/ j* F! a
if( length (item i
8 k- E- D0 Q, i) D( r4 m[trade-record-all] of customer) > 3 )
T; S$ f# G1 W3 }( |4 ~% ^[
" m. X6 S+ T2 |5 uset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
1 S7 V i0 y5 J. @5 I]
, f1 V6 i; Y- @4 c- t]- a) _& B* }0 a+ g
let j 0, n; U8 r* d* ~$ k8 a& V- b' z
let note 0. C6 g1 t2 [* w- U" c0 C: V
while[ j < people]
0 |! |9 R7 J/ D" }# i- f- a" Z[: R9 Z3 s. Y c) I6 v; D
if( length (item i# @ B! Y* O) Z7 B) G- S- V: [
[trade-record-all] of customer) > 3 )
# }) ]/ V8 `7 H% A9 [[
( z5 {2 k) d! W8 fifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
8 `$ F, @2 h4 B I0 L" o; c. B[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]2 W4 N+ o- {' ^1 d$ |
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]. Y: l! Z: j0 _. O; [ |' J5 u V9 x
]# Z/ M" Y. i: _6 p
]8 H: P6 D4 V# r' p" L6 m+ p
set global-proportion note
, ^( D) j6 {6 X6 S* c]
& i, N9 `+ Y! j/ L, D( xend, r8 B& k7 h$ W }+ E
& T% ~* l4 F Q2 x5 X8 e
to do-trade
; M# h. M& }) }( Z( b$ Q% ?8 x' e;;这个过程实际上是给双方作出评价的过程5 M" T2 z9 o# @. g
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价9 F- Q& V; `( E2 ^: _
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
5 y: t1 o( N% |! Oset trade-record-current lput(timer) trade-record-current
; i& K% s. I: m6 E. ~' w;;评价时间
4 `: [1 }. v" o& e0 H3 Hask myself [, A: [* ] g3 g" a
update-local-reputation
8 u2 |& U: m0 y, [5 N+ f6 gset trade-record-current lput([local-reputation] of myself) trade-record-current, P1 I2 k5 `- {. }9 S/ R
]
% h7 L5 V4 K$ y' Z) Y$ h% lset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself) S. N9 J7 U2 d, a
;;将此次交易的记录加入到trade-record-one中
. a% c: i l$ ]2 q" Uset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
' j( U* Z% m a; F _let note (item 2 trade-record-current )
, o( A" d' p& m; d' v- vset trade-record-current
- l9 [4 R: D8 k5 ~7 }- \ P(replace-item 2 trade-record-current (item 3 trade-record-current))
8 t3 |, R% K) M9 f. _+ dset trade-record-current
+ Y8 r& F+ @ }(replace-item 3 trade-record-current note)
* q- A, N3 F/ E+ U# C
) R/ c# I4 z* J$ }+ F+ P1 }7 R
; W6 M g) Y \$ `+ }ask customer [+ b4 i# F% X6 f! _" Z) ?! l
update-local-reputation
3 L2 N6 p) h+ Q6 [3 }1 ]' U: Y6 nset trade-record-current' V1 r$ M; i2 T
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
n! P3 U1 J: F: B: a, M- i: { B]
1 b8 ]8 r5 w; r+ u: A
- _/ O' U: M6 L3 @
S C7 K" {9 e3 h2 J. Lset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer- c4 [$ a8 z* q, q1 R# Q' X
$ J" w% c& l1 y% s% H) {
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
- F' r- _4 L; F; m; F;;将此次交易的记录加入到customer的trade-record-all中
/ H7 ]1 G0 ]. z6 V1 mend
$ k7 D8 R, K$ N# F2 D
. e- }, Z. K0 X, vto update-local-reputation, h/ K. @7 L7 P9 `8 H4 v# s
set [trade-record-one-len] of myself length [trade-record-one] of myself
( O" X) j+ V h7 c
3 h& J7 X7 o. o& m2 u
* ~6 _ d( K3 J4 Z ?8 x3 y# ];;if [trade-record-one-len] of myself > 3
( B; n6 w d/ pupdate-neighbor-total L3 l# H1 ^1 n9 h _4 D
;;更新邻居节点的数目,在此进行6 K' T$ A) V. ?8 ^
let i 3
" K' H: O- ~# l6 p6 z X( J# J8 Zlet sum-time 0
( |3 K2 s1 R X7 ?; F$ r Q" U+ owhile[i < [trade-record-one-len] of myself]
, K7 k4 t; a) X$ g- Y3 P[( Y& e& h5 f+ e4 G8 m
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )& A5 q4 l3 A0 r% }
set i
) _+ I2 N3 I" L. O. `7 s( i + 1)
4 v3 F5 f7 H3 E% ?]: V3 @ W/ ?+ H# }
let j 3
3 k Y! c. E4 N: Llet sum-money 0# \: I, t, e7 q* h! Z
while[j < [trade-record-one-len] of myself]# M8 L' h3 g5 x, @; F
[( c8 y5 Y4 y3 h" T' ^; @9 f' H
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)+ K& y: i) y7 l6 R, K
set j
0 C) W3 H& n% z6 U# _3 R( j + 1)! ]% }# _/ g! Z. }( S, M
]3 I# |8 H4 {% g4 f! [
let k 3
0 C% A; J. p, b: slet power 0/ Q( ^! g7 V9 r! t
let local 09 d8 U) b/ | K) }% a. K& l
while [k <[trade-record-one-len] of myself]
: ], q1 A7 s( v[
L, ^! R7 o& v# u- ?) X" d1 Nset 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) : Z* }2 k! L3 f. Z) W6 T+ t& K" y
set k (k + 1)
5 m( {) j4 g4 A' l]6 C# K. T m- D! U2 d4 ~7 t5 `. B
set [local-reputation] of myself (local). B8 `# t4 t3 x/ h$ c, V9 \
end5 z! O. P+ U4 q0 D" s7 ?* [6 N7 d
C f' d+ ~. W* u! {7 M) e
to update-neighbor-total
% e5 D( X6 s( `/ Z# @" F, Z+ S! j. C0 c/ J5 b: Y% f
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]$ j# ^ \, p! N
5 |* R$ |. m+ h- q
, X5 j4 M# \: ] s6 h3 {end0 R2 |/ u; C- ]! f% n! D# G
) b+ o' d" n g3 ?/ T! m& R
to update-credibility-ijl
$ u& U/ p3 s7 z" p/ I- K( o# D0 L: Z
;;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。- W* D5 Z; i' n+ N% O$ a
let l 0
4 e# n/ s' n6 t: R& N2 Dwhile[ l < people ]- `- M. L8 S6 P, t( B G
;;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1 ?; M, J2 ^- |* B( o" x
[
) I1 M+ V3 S1 l8 Q6 X/ R9 j1 rlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
) b$ N. P3 c! P& g3 I1 V9 v. jif (trade-record-one-j-l-len > 3)& Z% }$ W2 c7 s
[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& j7 }' G5 {0 C9 r4 z
let i 3
F8 N/ ]5 d8 @" d3 E! Z% Alet sum-time 05 J, s2 A6 |6 ~( j! u3 L
while[i < trade-record-one-len]
& B( j; a2 T9 k) T[
/ ~+ H, s9 h, V/ ?6 Sset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
. R3 O, U% q0 A# b3 ^; cset i+ k0 W4 t! L( V% s7 p2 D( f; ^
( i + 1)
5 C! F0 ~1 Y$ ^! V% \7 f]
4 [+ \/ v) n% G. Dlet credibility-i-j-l 0
) `& @" v- k x;;i评价(j对jl的评价): k" B* Y! {! A
let j 3) q9 s) u9 e6 r& {# ~8 F$ y
let k 4 n, X2 W+ a& f7 b: S9 W
while[j < trade-record-one-len]
8 u* [# O7 E7 E& x[
% v! t1 k8 E- u' h4 bwhile [((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
: q+ |: H( `! }# f. Rset 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)
$ }3 b3 e5 m+ ~4 S bset j
# H2 t2 X. b$ z6 l W9 S% }5 j3 Y( j + 1), Y& R: p5 t" e
]6 B: G A- ^6 w* i
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 ))
# L; V9 _2 q4 N2 T* P# b& k7 n- O, | [+ i7 Y4 q
4 w. U: S0 d& ^2 t( Wlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))3 O& G4 g/ o$ W" c4 G9 ^% p% Q
;;及时更新i对l的评价质量的评价5 \$ f, Y6 \7 |* A9 S. ]% b
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]) ]9 @* w+ G+ K+ ^; ] E
set l (l + 1)
: _2 N) Y7 G7 v# u8 _]6 P4 `" v1 L+ ~+ r- p( e. ~
end* \' T, D7 o7 Z5 S& ?
: W! h: g/ f- w& ^3 T4 Bto update-credibility-list
' [7 v4 S: x, J, qlet i 0/ [2 e/ K! P2 R1 W) S
while[i < people]& M2 e, r7 {7 M: l l' S
[
, v" N4 F6 Q. ]' _0 Xlet j 0+ Y9 H0 I5 a0 A5 \+ \: }
let note 05 b4 b2 H5 |" U+ p1 Q3 L- l
let k 0
3 o+ h9 K/ C; C& K- [8 ]4 B;;计作出过评价的邻居节点的数目
8 \9 V5 U1 H4 C/ i/ v& K0 H3 _while[j < people]
) F7 p# N* B" q5 T( t% _& T0 `6 O[
$ X+ N3 M6 m7 {! Aif (item j( [credibility] of turtle (i + 1)) != -1)+ M: T+ X7 C, H- ?
;;判断是否给本turtle的评价质量做出过评价的节点9 i. I* Q* Z3 J& ?( b. k. E* |) i! e
[set note (note + item j ([credibility]of turtle (i + 1)))
. q: }' [/ s0 @: G( z8 W;;*(exp (-(people - 2)))/(people - 2))]
. E! B4 X) g9 oset k (k + 1)8 J0 l- L9 x' z, Z/ U8 f+ a
]
2 S5 a( p" v6 m% ~7 ~0 bset j (j + 1)
6 t5 N/ t1 s% c: P. X& ~: T% g4 {2 b]0 i8 P6 \" l7 K6 ?
set note (note *(exp (- (1 / k)))/ k)2 V' l+ {+ A) B
set credibility-list (replace-item i credibility-list note): H3 v, }, h, I9 h4 u0 D
set i (i + 1)5 T9 `# D5 \9 _9 n8 [# N! h# j
]3 L) q/ I4 ~3 K+ @3 y* g% x* T7 p
end, M* [! R. h( g' p$ W+ B$ m! h
2 }3 B1 a9 k( T
to update-global-reputation-list- o: Q) B O: h6 ?8 Y' \. q/ H
let j 0
1 F; B M+ l& H1 p. x) Iwhile[j < people]
; N8 ^# W$ S) B6 e[
6 a# s- X |' g! y7 o! t; @7 Qlet new 0
' _ _; u, w9 U& r2 g;;暂存新的一个全局声誉# W" @- g! B( ~; A! }
let i 0
& y2 X* w5 w6 Q# Ilet sum-money 08 ^9 j5 t0 x0 b3 D% b8 f1 Q9 ]; ~
let credibility-money 09 [" a* l" Q x* `7 e, j
while [i < people]0 s/ p# R) w' e3 d% ^* M* O
[7 C7 g8 r( Y8 c! B
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
; r2 G4 S0 H- z! v$ Gset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))" ^: _5 s$ B z+ w- O/ F/ m- Q
set i (i + 1)
' a# Q% X* y; A9 R4 d; j$ @* o]9 Z& H+ F9 g" x+ w" C% _
let k 0
* `, @ V5 f0 p8 @let new1 0. D/ f" s) [/ A( H) ]1 W6 g
while [k < people]
' k( t, K, g A+ A- Y[) z$ j" L* i9 f' I
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)5 I4 z, v- B1 ^0 f1 ^
set k (k + 1)
9 b5 j* [6 B& W7 u/ D: ]# A]
- m* B( p/ m! f# P7 cset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
5 L! j1 Q+ q' iset global-reputation-list (replace-item j global-reputation-list new)
0 \. G4 D5 g4 a$ t0 Zset j (j + 1)6 j1 X% L$ |& `* Z
]9 g. G9 L2 C, T0 x% R! j
end6 Q- D/ O- L# b" ?; ^
/ J X0 T1 x `; q* B2 Z v: u. R$ L" [
$ X1 V' J, h8 L+ p# mto get-color
8 ~% I& U9 J { A$ f. F4 @; h4 I: Z/ p7 I4 S3 g9 y
set color blue
8 M4 _% n# A0 }8 z+ B& u5 f Xend/ G X# z" w( v7 J G- ^4 S8 B: s
; B8 U3 y/ J& E, l; Y' H0 V/ E8 T
to poll-class
% N- C) T2 R3 f Qend* ~! e, k4 d( W0 V
7 e0 o/ I* M& r0 T0 U
to setup-plot1
# i+ K3 d5 ]; q* u, [- M
8 V7 i2 O4 y, W9 @% o* s, E; Iset-current-plot "Trends-of-Local-reputation"0 o* U+ ^- S2 n( M+ q& B0 F
- b% z/ H1 T8 y3 q# c) q! hset-plot-x-range 0 xmax
, o& U! w6 v2 m: d- q, x& F7 D" {
; q, g7 d4 i+ ]set-plot-y-range 0.0 ymax; s' N: s8 u9 C3 u
end: ]5 m8 D1 c+ K+ }' |" W
6 Z; J. A, A4 e5 K) e( v( s6 m. rto setup-plot2
3 ?' E. w/ A: W g; u- l* m" Z9 h" D8 _- w* X- g" I! A
set-current-plot "Trends-of-global-reputation"/ r [& a7 {, z% l# ^
& u4 n, z/ L3 p1 S4 fset-plot-x-range 0 xmax! V$ D$ P5 A- z* W' R
7 F9 v% O: _ s5 [* J: q6 |3 d2 A; rset-plot-y-range 0.0 ymax& A) s# [+ M! [" n# D, c
end% F* V- ]8 n2 a0 ]( d
' g" Y# u, ], d' _' _, |
to setup-plot3
8 K7 V6 O0 o6 X6 O2 n' S0 k8 r+ q/ G* H' x* W" t2 Q
set-current-plot "Trends-of-credibility"( j+ M6 R" q4 q) s& K
+ U: a* O0 J: X. Iset-plot-x-range 0 xmax
' e7 N4 W2 S. P+ K! ~
$ t0 g8 C) s& q- J4 G; [0 kset-plot-y-range 0.0 ymax
( g( @; C9 D* j1 k2 hend
( A4 p& k3 k! W* W
0 R$ C7 x$ K! g8 q4 Wto do-plots
, K' e: }& p3 _! T5 I$ oset-current-plot "Trends-of-Local-reputation"
% k# i9 E( H$ n9 lset-current-plot-pen "Honest service": Y3 q* h l1 _; w2 R" k
end1 k' e* |% ^" ~: E( i9 Z- a
1 z$ \- N1 d4 m a3 X
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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