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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7 v$ M# W8 H5 y4 d' F2 Y
globals[/ T3 B) C: Y" U
xmax
9 c* [ g N) d) cymax% a' H5 [3 v( i# F
global-reputation-list
3 X& k4 p- A, N+ m% k
5 P5 x" p; T! Z) X3 j;;每一个turtle的全局声誉都存在此LIST中
1 B" H2 R+ ]/ K6 a. u, icredibility-list
& H. G; {' K* ]& u( H, G;;每一个turtle的评价可信度2 z- z$ ?$ c+ w# f! \3 @% s7 C
honest-service3 B9 D0 G' k( g% }
unhonest-service
! N" p; v3 T, w3 B+ B. {0 Z: noscillation5 B2 f. g9 r" S, a0 e: V
rand-dynamic2 Y7 `1 m# g0 _ G. |
]9 J- u5 A! C5 [. _
, D/ [- L4 t$ F _$ w* @/ D/ Y
turtles-own[: O4 y7 I) q: s, w1 Q
trade-record-all
* V0 K w" u4 p8 ~3 W- I6 l. n;;a list of lists,由trade-record-one组成! A j/ `4 R' ?% `$ |
trade-record-one! O+ B# X" I: Q; H( ?8 T3 L8 i
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
3 b) A% p$ c, B; J8 o# R2 u) |7 U3 x0 K% f# ?
;;[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 K( s# @' C4 I/ C! Rtrade-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]
# G3 k l5 e( O0 | ~- ]7 b: R# B. xcredibility-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list8 H) Y0 L$ M4 Y
neighbor-total- U" ^$ a2 @# Z; q
;;记录该turtle的邻居节点的数目
' r1 Q; U% k! W9 h) Mtrade-time
$ m7 G, \5 T" c;;当前发生交易的turtle的交易时间
% g) d4 L+ d2 R! K! s g$ g# p5 Gappraise-give
) X1 ]3 k. u9 Q7 @5 b2 b/ Z. i: ^2 Z;;当前发生交易时给出的评价
5 j. t1 S1 @7 b. A7 C- Wappraise-receive
( I7 H3 ^3 t D* _; _) S- q3 l;;当前发生交易时收到的评价# v! p* p' W$ b% _; a5 H$ W; I
appraise-time
7 j, \0 g8 u# t; ~;;当前发生交易时的评价时间
: ]% j3 }% [- c7 Clocal-reputation-now;;此次交易后相对于对方turtle的局部声誉8 s1 `, O7 d7 L
trade-times-total
" h6 y* {/ d- U, g;;与当前turtle的交易总次数2 Z5 X7 @; j3 L Z( K4 [, q; k
trade-money-total
5 _( X2 T6 J5 B$ V' M: R( B;;与当前turtle的交易总金额+ C/ w5 n/ l+ e8 A
local-reputation, @& p1 `! t, v4 E6 z, D3 s, i
global-reputation
& H( Y7 F0 Q4 H7 E) \credibility
( U" F6 J7 N/ k- w8 z! V# ?;;评价可信度,每次交易后都需要更新
& o0 Z4 H+ z# rcredibility-all
4 v( P" P5 G: T+ K. q+ m, G/ r;;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# N* v8 N, o8 n* n( a
. X0 Q' p, x# i7 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0.5
Y g9 Y# u; S) }, z, I% Xcredibility-one7 j4 B% C+ [& a# H" T \
;;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
5 e) D3 A! u. A2 V9 h* H# mglobal-proportion$ \0 _0 n: k3 u* R6 }
customer
; ?$ x1 ` [. v9 r3 Z$ icustomer-no2 y, c4 X# L f# t
trust-ok
" A! L; p: x8 L6 Dtrade-record-one-len;;trade-record-one的长度
0 k. F8 j O- L) b7 q. h) {]' E0 T" {4 C/ Z- K( U
" a$ q' U: J) L; I' W+ B/ ?;;setup procedure
# s; z' [" T$ Z- ?+ F6 J5 _; z X- L% a
to setup
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4 J& }8 }. o8 ]- Cca5 k$ H9 x1 i' a6 u) k( ~: t: ?+ L7 n
, f! E* o5 x& P% A3 R+ k! vinitialize-settings8 P5 b0 N; B+ x+ N
; D! m3 `' n4 B+ ^3 i Jcrt people [setup-turtles]" m9 t% N0 _$ s! B- g( v
1 m8 m w( e, Z4 W: y
reset-timer6 F" y+ m3 n- e$ \ a3 e
, O- `+ ?+ F; `8 A& G" v$ tpoll-class6 [/ e& B4 a% Q6 Y7 q2 ^
8 a/ O7 j6 G) \; T6 R, A8 \$ p1 H! Nsetup-plots) D4 K+ ~& ^) E* O* f: U
2 ~6 G* M! J- E2 p& T( y2 |
do-plots0 @! `; b( i) o$ n6 U: N
end
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to initialize-settings* o% H4 W5 l7 j m7 c0 h
0 O+ i6 }9 n& D: \% q" _
set global-reputation-list []" Z Z3 p/ F; q7 ^
( e& o a+ a G( P3 X* v8 v8 b' q7 Nset credibility-list n-values people [0.5]; o" o) F9 p2 |0 r+ j
: H4 K2 g$ L) r. W
set honest-service 0
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set unhonest-service 0
, O! ]5 m2 J) d1 @
$ A2 {- _; w5 u+ Rset oscillation 0
) k* b4 N& e# R! A9 X; ?1 X$ M6 y) z
set rand-dynamic 0
# j1 a, w# s9 K; i1 gend
, ]3 `" \6 z( I% I: D2 `; L$ }1 s
to setup-turtles
6 l, W1 h- i! F6 e) g# V' jset shape "person"
* u& `, O8 ?7 o2 _' Psetxy random-xcor random-ycor
8 F# z# a0 [6 @! h% sset trade-record-one []
; n3 I9 s: K$ }+ R3 H& m( s1 O7 I( N- f7 J# D; M6 d. k
set trade-record-all n-values people [(list (? + 1) 0 0)] 7 l% t9 z$ g/ c8 I! W
4 h( j5 A, q- L. @ \set trade-record-current []0 d) H+ ]- l9 _7 F/ B, ?! O
set credibility-receive []* ~1 r5 u( W% L" G! |3 y! x
set local-reputation 0.5; L0 e4 K5 p* H* _- [
set neighbor-total 0
1 R; L4 L( I$ V Lset trade-times-total 0
Y2 o2 ~/ F. T7 p, E n) Iset trade-money-total 01 k* P2 {$ o) V7 R2 G
set customer nobody0 k9 O- J5 V$ i6 c: G
set credibility-all n-values people [creat-credibility]& K, R( @: N. \. A4 V
set credibility n-values people [-1]
- [2 c3 {9 K& y+ M3 [get-color+ X8 N }/ y9 C
8 ` D! G& U8 U% y! P
end
9 {. Q h$ a ]
1 B8 w% p \$ `0 ~6 n+ P zto-report creat-credibility8 Y, @) u/ X" c% \0 J2 y
report n-values people [0.5] ~" [4 c* ` C- }
end# S4 A ]9 O8 A# V9 N
- h6 }3 S' }' W% j* qto setup-plots! l" F ^; r) j4 k/ o4 V
. l) m# b [ _+ r3 Xset xmax 30- C3 j$ H( Q# f y0 t ?
; C2 n" H1 L% d8 P& ^set ymax 1.0- f$ f7 h2 C8 A. N( f$ L& E& C
5 K$ v; Q' I: s* z7 A% |
clear-all-plots
( `2 g' l$ {. y+ {2 g
. ?7 r' N0 f& x/ `" _/ zsetup-plot19 w; W4 }2 l' x L( R
% Z% ^6 y9 U, x) M# m
setup-plot2
9 G8 h9 E' b. c6 u9 e9 M' O& a/ C% ~" G( V
setup-plot3: q& I4 Q3 g X+ c) |# ?3 X
end
+ B( h" v' T8 \4 G5 |! M
/ m6 v6 z# j( h2 ~4 z;;run time procedures+ ^1 |# Y$ W. @) V' k
8 W( |9 F7 U. L& f( Q
to go$ f1 N0 K5 K7 ?/ x# e5 j8 w
5 r: \' p# h/ j$ jask turtles [do-business]$ t; g/ z0 q7 C# i, @, V, S
end
- f. R! ?: v Y% n1 p9 Y
) j- }% k5 y+ K3 w8 k5 B l! W1 }to do-business
/ k4 W' _- Y: S& V$ i1 G7 u" m5 x2 J
5 P" G+ k5 K9 @0 K
! ^4 L0 l9 m7 _" Vrt random 360
% o- v7 S& W! i* Y0 F
7 E- s% _5 p F( g4 \( Ofd 1
* x. U' t- T `. _. ~0 ?
1 o L+ ~' D4 r2 I: _ifelse(other turtles-here != nobody)[ ?7 V* [7 H: e- T6 J( B% ^
2 x8 a. A) I5 h+ S: j
set customer one-of other turtles-here$ r/ |; W, c- Z: e
, C8 h/ \& a" j+ i) Y8 G( r$ n
;; set [customer] of customer myself
, t5 b' J5 _' Q% B# ]) c; C8 p0 R% \. Z/ a: }
set [trade-record-one] of self item (([who] of customer) - 1)* ?$ Z/ d1 n' s2 C1 F7 }
[trade-record-all]of self. k, ?6 u6 H4 x6 a. ^' ^1 j
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
: D z& w) g1 S9 U' G4 J& x8 n. J s% _% ?: W
set [trade-record-one] of customer item (([who] of self) - 1)
# @$ w6 [* T( V. \6 r[trade-record-all]of customer
7 {; n v: D/ o9 k+ N3 x/ t8 [
set [trade-record-one-len] of self length [trade-record-one] of self
( n0 ~% }( }. S, s6 x$ N+ a* \1 A8 m- T6 U" n3 k$ m( U: r3 o
set trade-record-current( list (timer) (random money-upper-limit))
- ^+ ?+ G) ^- F/ T- Q! g: l% s# |7 c3 z* h8 m/ D
ask self [do-trust]; L G2 r2 ?; `
;;先求i对j的信任度- |5 D1 m. p- l# x3 K/ F* B
9 a% c- V+ e7 L2 d/ f; t: I# A
if ([trust-ok] of self)( e/ t6 B" P# v8 G
;;根据i对j的信任度来决定是否与j进行交易[
& }4 f9 i1 u: ?# Z( {ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself. O/ @+ K% k8 Y3 J
5 ?. e" R5 Y" T: l. {
[
- ]9 E/ e: j( L: K0 \8 h
: y z- l4 e* Ido-trade
J q& {2 I7 H" |: Y( K3 p
9 ~' H/ @; p0 C0 C6 r- a: C; Fupdate-credibility-ijl
( n1 h4 w( v: y; b9 v& Z9 A8 E
6 e& W1 j' p3 M5 ~( @update-credibility-list8 n6 |- N' Z5 f# F, X/ f9 o
8 O, E1 K" }8 K( k
& o, |( m6 J+ K* Lupdate-global-reputation-list
# V+ I2 ]( W& J9 W' ^1 J" v) W! I( D! `" l$ i# l6 D E
poll-class3 S5 T8 [ B4 F8 K
' S. {, u3 `5 E- h+ iget-color9 U( k# }* T( F. z
8 d0 U* j. b4 F1 o) J) N: v/ C# m! }]]
& `' |& P2 X5 }1 q7 g+ k9 e' U
0 z! `2 u: F/ O- x( S/ ~8 y8 P;;如果所得的信任度满足条件,则进行交易6 h% \$ v7 ~8 e
+ v% ?9 d* \# E2 m[, C8 ?2 J* F" Z# B" t
6 V# s) W, c- R
rt random 3603 g6 P4 W/ Q5 X Y
% T" M6 t! I& R* W8 u$ ^
fd 1
) S0 a; D- l+ G" e+ q
6 W! Q% Q1 K2 B' Y. G]
2 j. Y9 P6 J( i" d' d- c4 v; D. }$ I _8 A+ t9 I& J7 [0 N
end
. [, d, ?, {; u7 K# z5 u- e$ x4 B0 l* d
to do-trust 0 K) D1 N" Q( ]; v; P$ n
set trust-ok False
. Z$ W+ r7 w: O. [ Q1 \
. Q5 M" l k1 s9 r( d2 Q8 @$ Y4 H
; f0 Y4 a! ^( g, s* Z) q* zlet max-trade-times 0' l% d" k0 _" _. A
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]. y" G" |5 b( u' h: k: A
let max-trade-money 0' h! @3 ^6 ~7 Z- ]
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
: U; w$ M; @" ?let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))9 `6 M8 X1 n$ I+ |! T! v8 A7 [1 X
' P& W* w4 N8 R8 G) g' C( {1 X. p
7 e5 y! ]5 m( l0 E; w5 F8 Iget-global-proportion
, R; r" |" l' a" I5 H$ ?. i- Rlet trust-value
2 h( Y" z- x/ [' g: 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): M4 s; P# ^$ R# I( Y; }; v( x
if(trust-value > trade-trust-value)
7 }, h. y1 H' J% }' b: Q) O[set trust-ok true] f: J3 o2 Q% c/ h
end
9 s. v3 y- o, {# \9 a3 | j z j! t$ P
to get-global-proportion1 \6 ?# h8 z! y7 n) F
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
( t+ a2 T1 ?9 n6 t[set global-proportion 0]
, H+ @ v- D9 R" O[let i 0
# n- e1 _. q2 {7 n5 z" _) Tlet sum-money 0
$ v* Y2 ]/ o; x1 m0 C3 owhile[ i < people]" a5 z8 ?' m7 O4 Q; [- f4 v
[6 Z6 S2 `( t1 p( `4 O3 K
if( length (item i
# J4 n- o; b4 o* O4 ~4 B0 G7 ]% n% L[trade-record-all] of customer) > 3 )
+ ^- j7 U8 T8 B4 k3 J( a9 F, z0 v[
( g1 \* i( Q$ t$ T# vset sum-money (sum-money + item 2(item i [trade-record-all] of myself))0 ]9 ?. M" i5 M' ^6 b4 J/ `
]- c/ D0 w8 `7 c- D
]
( c6 G2 l/ p- P n! Q& [7 g% wlet j 0/ ^% Q) C! j" \+ N
let note 0
2 y* M' f! U1 J4 ]; swhile[ j < people]
; @ l, w' x: l, t6 g# R1 c[% _: L" L4 q# X( L: I+ a
if( length (item i
+ a# y z1 S- w( O. @, v, k[trade-record-all] of customer) > 3 )
6 _# w! d7 S, }' }: `5 {7 V; [# e4 O[2 K! G" v. d4 {) k
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
" v/ [! h1 M5 J! U$ v7 D[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
% K2 F" M7 s. ]) n8 L; K[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
8 T9 Y( P: y% h ^6 |]! s0 D/ [0 G! F
]) r7 X" e+ ?" W/ b
set global-proportion note
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end7 I4 Y% v# Y8 ?4 z* ?% x
8 R5 v6 u: M: \6 S5 m9 M ?
to do-trade
# F0 l. O8 |0 m w;;这个过程实际上是给双方作出评价的过程
1 n0 D% S5 {* z: u( i# _set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
: X- r7 G% K% m: ?9 c* `set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
+ ~& X0 }2 n' _' i% j' [7 Lset trade-record-current lput(timer) trade-record-current
) J, f, e& U& W9 R7 Q( n; ], K;;评价时间
9 y5 `+ W4 @1 d0 e" L: Lask myself [
: G, i5 P- e$ M( Y* Gupdate-local-reputation) g' W+ D" T- H1 D
set trade-record-current lput([local-reputation] of myself) trade-record-current
8 ?; x4 F3 l1 ^$ g]
/ p. ~8 o+ T1 tset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself" z' s6 v4 p( M) M8 P
;;将此次交易的记录加入到trade-record-one中
$ }7 h, V4 k4 F7 s, e6 aset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)3 K; \' Q2 y' H! H; j U3 [
let note (item 2 trade-record-current )
* w; ~. z+ T' m ?set trade-record-current
" W5 L1 F- \) u(replace-item 2 trade-record-current (item 3 trade-record-current))
7 R: T' s; W. i" Y. n& \set trade-record-current
) H5 m: e9 C' {2 X2 F(replace-item 3 trade-record-current note)# G5 ?6 m1 \ w# M
( }, y5 O' |- j8 o8 K/ L% J) _2 K2 m4 @9 G
ask customer [1 {! p: `# R/ K/ a+ j/ g. }* A) E) P
update-local-reputation. [3 u0 u6 s, l( j
set trade-record-current2 ?0 B" V4 o1 ~, E8 t4 \
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
6 C3 f% h# K0 g/ ^5 T$ r]
7 X8 T" |1 U! d$ G3 ~2 e$ ?) S4 b8 G3 g1 ?8 }( Z# x/ |5 Y/ } J
" k7 V% o* q& `: C# r& ^" Z
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
! ~' B/ h1 I+ \0 ?4 Q/ G" ?) d
4 b* H# d4 Y" Y& Iset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
+ N( E" q% ~7 r/ e;;将此次交易的记录加入到customer的trade-record-all中1 E& q/ q5 F* v
end' N+ W9 U( J6 s& q6 c4 F
f' W& A' w! j+ u, G1 s8 T7 y4 h
to update-local-reputation
9 Y2 D) m$ O3 L# E- t8 J7 Pset [trade-record-one-len] of myself length [trade-record-one] of myself! G8 H7 k H* S& s: T( W+ f
2 W( I, x( `, L0 o
6 s/ K7 p! D7 u0 i, b# ?;;if [trade-record-one-len] of myself > 3 8 y& y: C/ w+ w" \- h) F
update-neighbor-total
$ X. U% Q. z2 Q' U* c; Y;;更新邻居节点的数目,在此进行
* p! c" I) R9 }8 wlet i 3
. H& j/ j$ s% P2 n1 [let sum-time 0* V- D6 b3 f# J; p0 n* S$ @/ I' T
while[i < [trade-record-one-len] of myself]
! E8 j# B( X1 M[/ \2 v0 m& `+ |2 C8 M
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
; n; R/ V0 O0 v; l# [- {0 Q, ^set i
2 p* J, }( v6 c1 w1 M& o+ Y1 ^( i + 1)8 R8 Y6 ]$ Q2 {) p7 J& |! ~' Z+ H
]
4 B) T5 G, N% ?( A$ l+ @0 m6 O7 g+ Nlet j 34 ]1 H( B, b# {9 `0 ]) E
let sum-money 0+ k% L- K. g! U! i9 H- p9 \) E; _& x0 Q
while[j < [trade-record-one-len] of myself]
* E- O9 g! r- v# k# ?$ X6 S. X[
2 R$ n5 \8 ~: p% jset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
9 @& Z: X# W, d" yset j
3 P/ B" E. T- |+ \& {( j + 1)& G$ c$ |7 F. }) U
]# z: q) X8 X; ^+ f" ~# |
let k 3% Z q* o# z' \$ f# `
let power 0
, Y" }9 E6 o' Z6 T- D o8 Q4 v8 Rlet local 0' O/ W$ b# N4 w" a$ R4 N
while [k <[trade-record-one-len] of myself]5 O, \" G9 e! e @$ {/ ^) r& T$ W! x
[
6 w) x2 X8 v) r4 k u Hset 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) ) e1 k: N* ?& W* D
set k (k + 1)
/ g0 d% E# t$ U]
& }9 j. ~0 b3 g) v) L% dset [local-reputation] of myself (local)* O0 s, L! |, t j
end
" ? f8 c1 ]( O7 U, v* r
& E( g1 ?2 @' Eto update-neighbor-total
) a. ]. @( s) n8 q
* m: E) s2 l4 g0 O fif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
) B' T" I, o$ B2 A" e: \# D, Y
$ }: b7 F* i! z9 g- E7 f6 l
- S; {" U# J; W4 j! R/ H4 ^( e Nend
3 @' P# C$ `( p% [: k, _# I2 V
# J7 F1 N# [3 {/ `/ Qto update-credibility-ijl - b" C) n5 [- {* Z. t
- X7 ^. f5 H; k W, Z& g$ 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。
9 L2 N; T N* w Elet l 0
$ S9 d% O3 }! m6 Jwhile[ l < people ]
0 f% h f+ h* W d+ F$ 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- _0 n, F9 g/ b" {% I! x3 H
[
2 `& ~& \ T6 e0 e! l3 z* Wlet trade-record-one-j-l-len length item l ([trade-record-all] of customer). I8 R+ H' ?0 N* [2 o$ R- D
if (trade-record-one-j-l-len > 3)
/ l$ ]8 X" f$ z[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% U2 g- U: S2 y* e2 _# N2 F
let i 3
) ~5 T& z9 C3 T# v) H3 B1 ~$ Blet sum-time 0! r. m: h2 ~! t% E! F
while[i < trade-record-one-len]
. E3 y& A% q& `2 z( w8 {[
4 i9 p& a9 r- ]4 @9 t* ?set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
4 r3 e, p0 a3 T7 G6 V; W) q1 U$ T2 ~set i/ U0 K, x7 R6 @2 l0 a
( i + 1)
' s2 Y0 L) {9 @0 q4 c]9 g( f* {3 T. x
let credibility-i-j-l 09 s/ H t+ ~3 Z1 R& y
;;i评价(j对jl的评价)
! |6 z5 {& s7 C1 @, r( j; j6 Olet j 35 X1 F9 }9 m/ u3 k& _
let k 4: Z) \3 W8 p: q$ y$ j
while[j < trade-record-one-len]
% M0 e# m* y+ }! F9 Z% I[
4 t' W8 P/ O5 d5 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+ P/ p! N3 T+ R" V5 q
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)) D6 b* v, z5 R
set j
% |& S3 c. w( B3 F( j + 1)
' \& Y- W- h8 V) }]9 U6 F' D5 J( F
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 ))
- J* W: l: A0 ^5 j* L, h/ |2 B3 o' Y+ x
X9 }* Z7 W6 L4 v& n; Rlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))" m9 [1 h+ }( C6 R+ A
;;及时更新i对l的评价质量的评价' V6 I# d& W- d
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]/ v! N J1 L7 ^7 U
set l (l + 1), H9 O4 L7 n/ l/ U- Y( B! ]
]
% X; i% d5 ~2 _1 d6 `1 a0 Aend
% F) Y& O/ p+ c; N0 F" K: \' c9 d+ j' {5 C. R/ P( g+ E
to update-credibility-list
8 B! j7 A6 v. N5 [9 {5 nlet i 0
! y9 Z% |& P) H3 E, X- Ewhile[i < people]
6 z. _! F& y2 q: m y4 G8 R[/ \/ a, P0 ~+ ^) t
let j 0! F* v! Y& V/ n! l
let note 0, @: p2 R5 k+ P) ]) Q
let k 0
" Z( X8 q1 v$ s& l;;计作出过评价的邻居节点的数目
8 T+ G" t) C1 b6 Swhile[j < people]8 w3 }' {3 w; [1 }; L$ f
[* Y! z T3 e: U# p7 M1 d# U2 N* E
if (item j( [credibility] of turtle (i + 1)) != -1)
5 M' m- X6 W4 q- c3 m8 W;;判断是否给本turtle的评价质量做出过评价的节点4 j+ W+ Q1 e2 {8 h9 F5 J
[set note (note + item j ([credibility]of turtle (i + 1)))
* s( h# a* a2 c$ f;;*(exp (-(people - 2)))/(people - 2))]
8 q3 Q B \2 E) j9 Hset k (k + 1)+ _' M6 A* ]% I1 W0 a5 B
]
^2 }( m! z5 l1 ^) h5 S$ Q, |6 T( j8 iset j (j + 1)
& ^0 E, X6 E, ?* I+ \5 l4 u7 r]
{/ I% L U u7 b3 V$ Vset note (note *(exp (- (1 / k)))/ k)4 N9 O, v9 M4 J8 D9 k( j! X
set credibility-list (replace-item i credibility-list note), Y( r, H; ?% @7 }: P9 w! P' O
set i (i + 1)
( D" x3 b' X( ^! L]& a* c: D6 M5 i$ j0 ^
end
& f; e3 [$ G: X% {7 } D' N
3 J5 T. u$ m. Q. p+ A, g& L- nto update-global-reputation-list1 g, O& v7 U6 Q( q1 ]6 f
let j 03 A9 Z# M8 C& |3 J5 u* U
while[j < people]% l2 m" h( c4 y+ R2 t
[
% ?( R+ w9 P. g ]1 y9 f2 @& jlet new 06 V4 c3 W$ C/ L/ q
;;暂存新的一个全局声誉
' r( D2 c# O4 i9 u2 [' \let i 0
3 x4 M" `+ m8 K' F( B& Ulet sum-money 0
0 K) Y6 m" K6 L" }1 h% _( S+ blet credibility-money 0' U! w" A: s6 d
while [i < people]
3 E( t9 k: Q, Q: E, Z[! q6 Q& S, l. d3 ?0 X+ {
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))' M7 _. `0 h2 u1 T
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
9 O! d$ n# I, s& g( n. Wset i (i + 1)
, i8 O+ [+ {3 @1 c]
' O+ J; B( g. _' R% i0 ~& F) j$ xlet k 0* R1 ~. a" ?$ f
let new1 0
1 r' s& C$ F: }8 Awhile [k < people]
5 S* K% g" e) L& z% {9 ^( H! h[
' X+ t/ _5 f& H9 ~& ]( Nset 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)) R7 W5 z/ Z) W. G A# g( u' y
set k (k + 1)
, H1 Q& P1 f8 ]7 Z3 j]6 d4 E, v9 `! Y
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 7 z) T8 s+ L+ L% Y# @
set global-reputation-list (replace-item j global-reputation-list new)
" p& S" ` s/ ?( i9 K8 eset j (j + 1)$ w) K0 N; n' D2 F# Z- w% i
]
# X2 Y0 O! Q! f1 Rend
$ k, x" A1 M* q6 K0 w0 v, C: m& s
' k# d4 G. {. H! W) w3 z2 }- c% L+ K$ L0 w% s; q3 w
/ f# `5 k' ~2 W _to get-color2 g0 i" l0 A: }' V' P; v$ v6 s
( k, K' k0 _* s. G& [set color blue
; s8 I- ?; X, a/ z: Hend/ j) n8 A" P+ }# o* p' |+ `
- L. ^& J- ~0 R5 Q/ P0 ~
to poll-class
9 M }5 e- b0 f: k/ V, V) Qend
4 `% W. m+ d! w0 |# i/ @5 b7 Q# L- h. E
to setup-plot1
& W9 r" K2 q+ l4 g
; q. T/ Y- U2 x& O2 D2 G7 cset-current-plot "Trends-of-Local-reputation"% i3 {. q$ c3 c. C5 X0 Y t
6 J p6 {* z3 k: u7 g. u
set-plot-x-range 0 xmax1 S7 }, o6 v! ?
3 H) Z8 i+ o* ~' w# \4 eset-plot-y-range 0.0 ymax
$ C1 w! _, c2 b$ D4 l# r" m9 lend% H, [6 v5 v* ~3 s7 z5 N, }$ v; J
* p" D3 D1 H' z$ f5 c: ?
to setup-plot2
, F; m( O1 `" S! W4 N( ?" @
% H: ^' W/ O1 a% ]: yset-current-plot "Trends-of-global-reputation"
! t. ?3 O% k0 e5 I2 T+ p7 f% H$ |& r$ f% ^9 W t1 a
set-plot-x-range 0 xmax
$ ^5 _( N9 B% V! o* s" [8 c
e2 ?8 _ Q) z0 Q( \set-plot-y-range 0.0 ymax
4 P% {& W3 n; `2 L1 c8 i) b o* D3 {' Xend; g$ o1 a0 f. i+ H7 n
7 ?2 Y/ G' Y. f! bto setup-plot37 H) K8 d" ~" Z8 ]
. Y7 `0 c3 s4 v0 |set-current-plot "Trends-of-credibility"6 J, D- m; g; T8 m+ ]% R
8 y) ]3 v0 b2 k3 S9 i/ ]+ `: u& ~set-plot-x-range 0 xmax
) g4 d. E- I# g0 F8 B4 t" ?- T, F6 ^
set-plot-y-range 0.0 ymax
4 d3 ~. F: w) P+ w) P7 k# Yend
6 |' O" t i' \" r3 Q) I
0 T( z( U; H. x e) ^4 qto do-plots! P7 N/ ~" l4 I9 [
set-current-plot "Trends-of-Local-reputation"! ^6 [0 l9 r. q% O G
set-current-plot-pen "Honest service"
4 M+ { y; |3 q, o0 w! Send% ]6 k6 Q# x# ~
6 ^$ P* r$ Y h' x" M[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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