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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
- r+ b% \+ N! a) Z$ p4 Fglobals[. {! ~; \+ O3 ~, Y
xmax5 @4 S2 v( Y! f4 P/ s. ^' v
ymax
1 L' t/ L u# e( M7 |7 {global-reputation-list
5 S& ?. ?, {% T: [; O2 U# h3 S1 v. N8 n9 t" z; W
;;每一个turtle的全局声誉都存在此LIST中; ]4 U( s J% m% E5 m D2 u
credibility-list
. ?, a/ p! i, b& B;;每一个turtle的评价可信度
: v1 Z, z8 L8 h, fhonest-service
: w* @4 w& i% r. e$ zunhonest-service* P% l* V9 D$ g9 V: E8 r
oscillation w8 e5 w, \- D7 C* M
rand-dynamic
5 h- H8 {( b& n9 t: l3 r( W]
7 C% r4 c7 e2 j6 X4 b% w' ?2 _7 E7 G6 z+ F+ P
turtles-own[1 ? _. I: L2 ~$ e
trade-record-all" L. T0 z' {$ P/ d8 {3 V
;;a list of lists,由trade-record-one组成4 ?' d+ ]* [; \0 j/ Q9 w
trade-record-one& E/ D. ^6 }) t" D9 p% Z3 g
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
/ Z) z3 p0 _& H1 b/ `3 P3 r7 |$ U5 B3 {: I. M5 _- W, P& _; ]
;;[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]]2 a/ _$ [' c! k% Y* D1 o6 j+ A5 _
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]5 S3 X3 }3 k. g
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
# o2 j2 n) m: i/ g5 @& S1 eneighbor-total
3 X9 C" k6 w- S: W;;记录该turtle的邻居节点的数目
/ u0 ?/ J3 H) ?. Etrade-time$ X" A+ V, z' l6 {
;;当前发生交易的turtle的交易时间$ q9 v1 P* N& C
appraise-give3 S L5 d, \" T8 Y( G" G T
;;当前发生交易时给出的评价$ G5 [) {. z! \" d% A' Q. j
appraise-receive5 R* t" n$ m. b2 ~: P' _2 @ G0 E
;;当前发生交易时收到的评价
( B) ~( j5 i) K: C* Y4 yappraise-time
& m f% F' d4 U2 l" B3 d7 N;;当前发生交易时的评价时间& a4 s- d1 ~: K7 T8 Z, n% u
local-reputation-now;;此次交易后相对于对方turtle的局部声誉4 U% s4 [$ | ^& @
trade-times-total" d7 g5 s7 k: t3 ~5 @# J- S; [3 D
;;与当前turtle的交易总次数
1 X* r y7 S/ V' htrade-money-total
' w. g4 b9 Q2 J;;与当前turtle的交易总金额
@) S5 V" f" x3 q, y% P# n- o" Olocal-reputation
# b9 M$ c( h/ o$ ?$ X6 @' oglobal-reputation
+ a, e6 T: O C1 i$ [credibility
1 \2 ]( j: q y( u4 V* a7 I! c& Y;;评价可信度,每次交易后都需要更新2 h6 Q+ w0 N0 c7 s' f; T/ R
credibility-all0 K+ i9 d: v0 Q7 b
;;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
- {; U- f4 y) {- P% g; q0 E, Y
! P7 f! T7 M$ W;;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0.54 A, I* ]6 X* G- m0 U' e5 Q
credibility-one
9 p+ X+ k& \! 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 \! m0 i n. w f+ t
global-proportion
7 A- u$ Q/ _* K7 a1 dcustomer: P# L0 o, b. r+ Z
customer-no- F, B6 ]: s& o# y7 A
trust-ok
( y( p: o/ @( strade-record-one-len;;trade-record-one的长度3 i. t4 z' x) @5 C) C q
]' u+ ]' z+ y8 g: }" i7 U/ c4 C
$ F0 {5 d) s% k/ \: [+ Y, K- n;;setup procedure
3 K! i( a2 c" m
3 _) S* l/ U: U ?* I7 Tto setup ~' _( z: z1 A' Q o" I
6 C7 N) q4 Z$ D/ G0 Hca
3 t- z- p1 G( ?, u2 _- y0 I) S& l4 C: e ?
initialize-settings
3 ]: Y( a( m) [4 u( z$ V# C+ G# D$ u* q: R; t0 Y9 h5 \* a& S
crt people [setup-turtles]
8 A/ _" m. q) G6 n. L
: s* j' T+ s& q) N: K8 Q$ n6 w0 greset-timer
0 q& |! J$ T& l! h: D2 \
5 K! @6 Y+ k) Y; h% K1 qpoll-class
+ N9 M9 V5 r, o! K& p% x
: e2 A, m+ {: \2 [setup-plots
' Z6 s2 I% M8 n ?% @% `3 _; C+ Q2 K* x
do-plots
, [( f% S# y+ H: Qend
3 q1 k6 V; j- C/ p( r: B# D6 p* C( h% c- ?! G; s# f
to initialize-settings- [7 g$ w+ g9 |3 j7 P4 ?$ t; ^
8 U7 ]4 h! u- o5 D8 `; w' ?set global-reputation-list []
7 m) d& l' {( B% G" r$ `5 W: b$ O9 _% }& Q( e! c4 U% d
set credibility-list n-values people [0.5]
: m0 X4 [/ o6 ] N5 b
. j* |. s& K5 Q5 C' q4 }set honest-service 0( K% u, q/ L% K* ?4 O" r; g
, [" l \# a( ^: u; r- X& sset unhonest-service 0
! G, d/ q# @% Z
& w8 j* ? v9 Jset oscillation 0# t8 ]2 A+ ^- H
- p5 s0 m" h4 U. L+ k9 Oset rand-dynamic 0. N% }$ \' P- f
end: o ]) ]; ~+ _
% q: K5 V/ H; r7 I* _( J
to setup-turtles / {. N3 C- r8 X( o
set shape "person"6 t0 ^- J D5 }1 _( ~
setxy random-xcor random-ycor
' H: M& T# p8 R) X8 E1 ~* S# B- q5 i oset trade-record-one []# Z( {; u3 Y9 K! b/ t( r
- c) x, a1 I8 c9 {# r$ O2 g
set trade-record-all n-values people [(list (? + 1) 0 0)] 9 n/ V+ z0 n7 Q2 } t$ W8 W. E- ?' P
3 j1 |' P# f( D! H: \# P oset trade-record-current []
; e5 ~7 r, k4 T1 a8 Kset credibility-receive []/ i% f0 h, y6 |" n
set local-reputation 0.53 i2 _% N' h8 _0 W$ |
set neighbor-total 02 S* d7 N- c1 }6 |
set trade-times-total 0
5 |- A8 p' d: y6 \- ^1 U) Rset trade-money-total 0( Y+ C6 M3 ? a
set customer nobody
; r7 r$ J& f0 w4 {! b9 V9 h) W' Fset credibility-all n-values people [creat-credibility]
, n3 b Q/ D" ^' ?' C, Sset credibility n-values people [-1]$ V3 F2 S$ A' [# W8 ?4 K
get-color
, K" z: V( H2 I' x' ~' ^' |- y
( [, a9 y$ y" s5 b- i& n4 Hend
. c! J& [' e6 u& S8 H
0 v2 F- H' `4 \! o3 a- Kto-report creat-credibility
& ]3 i8 ^8 o6 y: w/ L0 f) B7 ureport n-values people [0.5]
# e5 }. G! y, h: Kend
; I; f* V. Z8 i6 r1 W+ ]
6 f: [3 g+ K5 J4 Uto setup-plots" R4 ?0 d8 u3 r J6 I# [ y
) F, P, z6 i/ Y: R ]+ s& [
set xmax 30
- k- v: i4 w. i7 y" h+ q
8 r& ~- @4 }) h0 Nset ymax 1.09 f0 v) N9 l6 n2 x
# X) J. a: T1 Q& b$ z$ ~
clear-all-plots
$ Q3 O9 U5 M' C' S3 [3 T4 X
; A3 T& W( V& K5 A( t" e4 Q. Wsetup-plot1
4 B+ @" d/ u& A8 M2 k7 T# {6 f2 d2 |5 A! _0 v% j2 q1 }9 z& f
setup-plot2
9 R( H4 l2 k( `4 U2 g( }5 s4 n
" N% ]. I9 M4 Vsetup-plot3
+ r% q5 E( t# H9 ]+ j. f9 Tend
% c- r) [. U/ | R% f1 _2 r# g* x$ {/ Y4 l. {% }, |
;;run time procedures
- |! ^8 t& o/ ]9 Z, F/ E
6 ^# ~6 h" c5 M! zto go
$ i- _& Y4 [ F5 ]
U& G1 }& K$ ^4 ] I) G6 gask turtles [do-business]7 n4 F8 w9 o! s* I. j
end
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to do-business / O7 Y3 l) U, ?, j1 u7 O- C. D5 Z
' N" b& ~' @) C# t' O: S* G: B% v, {% j6 ~5 K( l' Q
rt random 360+ ~/ s- ~8 J2 I! Q& c3 p6 O6 ]4 {
- c5 d5 m3 Q+ Z9 m7 D4 |% Bfd 1
3 ]( X8 @. T- U: m% j: d: L0 p& y8 x, S( S7 H# x9 k( }
ifelse(other turtles-here != nobody)[
$ x1 u5 O# r, \* ^) H; |$ k. ]0 u2 ?. ]" w# Z8 x0 F* m
set customer one-of other turtles-here( H% V7 o" \/ [: _
# y) w" |# }' [
;; set [customer] of customer myself
. R, ^6 S8 m8 v0 B
5 u) R7 O! N# Wset [trade-record-one] of self item (([who] of customer) - 1)
) z1 F7 Q7 }( m[trade-record-all]of self7 P6 m" q8 }; x0 b' M6 T$ r
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self* J* e; `8 [% b) k
, ^; ?# L% y$ s s) [
set [trade-record-one] of customer item (([who] of self) - 1)/ d4 M2 c2 { l6 ^# x) x
[trade-record-all]of customer
5 d5 H# Y @7 e+ ` Q3 i. `2 u/ Y. R# C8 N. r
set [trade-record-one-len] of self length [trade-record-one] of self
' j) u5 R1 V3 Q+ G
/ d/ O- i% D' S( ^; Yset trade-record-current( list (timer) (random money-upper-limit))8 O% `5 `2 o4 D" V% v
9 N U- \- V* g) r# w5 iask self [do-trust]
v+ \1 J6 q2 U( N9 L; p;;先求i对j的信任度' C% P4 z2 f3 X/ c. x
4 B) t9 W* U$ U8 Q) L# `7 w
if ([trust-ok] of self)
1 o# @* r. \( M( i+ i;;根据i对j的信任度来决定是否与j进行交易[% X5 n' Q \& @4 a" a/ l
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself; G! f( m2 @5 {
! d$ U$ y! P- l' W$ z w( ^[! g4 N' |: ?6 `5 ]- h
$ D8 z- i$ ]/ p
do-trade7 | w8 `6 L$ t. g) a! l
( \% W) m+ p& T/ x) U
update-credibility-ijl
- L( X$ i1 e/ {& w- }" o/ g1 J; E- T
update-credibility-list* l! l1 l# s9 d
4 V }/ h3 l/ N. H% Q" f
. \3 i+ ?4 }- F2 R- H, p
update-global-reputation-list' Q- J( _ _$ T) F: S
& H% `2 v& U1 B4 h* G1 Jpoll-class
; Q- J; l) b+ B X! ~" N6 A
+ E* G$ s- R" A' W. Yget-color; I0 q$ r* y s" j
$ k$ i; j/ A \5 A$ j$ r* Z]]6 L9 r! u2 B& s. V6 x7 E6 S
. I4 f$ A4 S: C/ h7 c
;;如果所得的信任度满足条件,则进行交易+ ^- O& V: I, Y% Z- \& a8 _& u
# p2 t4 S( H: b7 Y/ [4 K+ J
[/ Q* a% q% _" K" ^" V/ a
: E5 S) G: ?# Q( ^
rt random 3602 l: h4 e9 K& H0 E, J
: B+ Q6 u9 |; E3 ^6 O" \
fd 1
" a- {8 s8 m7 V% v: j0 n% b! W4 j
]
3 r* R7 P# s1 Q! c% N5 t
' s7 G9 K4 j5 y" T2 x/ o0 Jend
3 J- U: e. _9 g* i* {: Q+ x) T
: w4 R1 q4 p8 ito do-trust
' l8 u& I# I5 {/ b! O0 ?; t& \, Lset trust-ok False* L9 u! R. ~! z% w6 j. C
" j+ L/ @6 y; X
* I0 |; _1 r+ m$ G5 ]
let max-trade-times 05 b h1 a! E. Q) z, ]
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
- A* }0 |3 ^. {- ~let max-trade-money 0
6 o; x F3 H9 E0 Sforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
; U- R9 @+ z( m' elet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
+ @- r/ M- t$ p6 t# M8 [
. ~' b; f4 _4 R& d2 L# ]7 g6 e) N0 y8 Y- N" z! w3 F) H9 S% D
get-global-proportion
' f9 D7 g0 n% p; Ylet trust-value
3 A5 m: B$ Q) J, Y& u' Glocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
2 w9 M4 @4 |" ?if(trust-value > trade-trust-value)
5 U3 f6 _( x/ ^, \1 {" a[set trust-ok true]! P( {" e- \4 l
end
d' c9 \* O! K% l+ q
$ m5 T' q. F/ }6 S. Q2 tto get-global-proportion' U) v" p: R& i: s6 J
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)& h. _9 {+ Q. V/ d
[set global-proportion 0]
3 d8 \" W; K! b' g[let i 0
6 E) O0 {; o' xlet sum-money 0
1 J; p$ T4 n1 g$ e6 ~& F$ b( w1 [0 wwhile[ i < people]
# R) E$ Y6 U z4 |5 V[) K. n: E. K7 }) r( |9 W) A+ {, @
if( length (item i( M6 C1 I* u) y5 U- ^
[trade-record-all] of customer) > 3 )) O g4 P4 X, j; r
[
& d3 Q6 Y4 a3 N# E4 vset sum-money (sum-money + item 2(item i [trade-record-all] of myself))! }& |6 T: U. I K: k3 u: ~
]
5 Y0 D& k$ Z, U( T]
8 e! U" C* a8 \6 C1 k E1 l* l% }% Tlet j 0
7 P) w6 J0 |4 |% o$ g- W1 `$ D$ Qlet note 0( ^+ b) L) t- J, w8 L
while[ j < people]2 n% M3 ~% k; @6 F; B8 u. W, r1 L
[# R X# @ H, [$ H# |& d
if( length (item i
9 L, v+ v. Z( Y' c. A1 G[trade-record-all] of customer) > 3 )
' N3 v& k, {9 B( {5 N6 P( W[0 n- L, k) |& X! U
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
E3 x" g4 g& }/ x) ~7 z[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
+ z+ \8 ?' s, _4 t+ m$ t. D+ K0 b[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 |& l' O2 U+ _) g7 H8 N( N/ @
]3 [0 g! v* D+ o
]
! {# n2 ]1 L! [/ s9 |1 eset global-proportion note
* d% y' N! A( T' ^: f]
* ~7 | J9 U3 @% d( \3 dend
: T" r% [* w/ S" V5 U8 |, O7 i) |# X& N$ F k
to do-trade3 [8 h" f9 ?7 a5 A
;;这个过程实际上是给双方作出评价的过程9 K: F% D) {% V% i9 h0 o
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价( z+ q R3 e+ U2 D# A, d
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
. O) U+ h% x; z% G5 X0 n) T7 Jset trade-record-current lput(timer) trade-record-current3 P. a! a7 i T7 ]/ d
;;评价时间
" a3 x$ h' g" n4 A @( Mask myself [3 h4 s6 A- D+ \+ X5 h
update-local-reputation
9 q" P' H/ L% pset trade-record-current lput([local-reputation] of myself) trade-record-current
+ S4 l8 a' r$ o8 |1 l]* m) I& Y! n& _- W( L: \* T8 l
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
" u8 N/ c& \. A0 o, @;;将此次交易的记录加入到trade-record-one中2 A# }' U" b( Q
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
9 Y; Z+ ?' O# ~( Y* j, g2 m8 \, V, elet note (item 2 trade-record-current )- J) y+ ]; ~# D, h! j% T
set trade-record-current
+ r# L3 a" C/ K/ {5 \(replace-item 2 trade-record-current (item 3 trade-record-current))
9 h7 {; I0 l0 @+ N: d: a* h" uset trade-record-current3 T$ l/ f- n3 v1 i0 G9 G
(replace-item 3 trade-record-current note)) k# q, ?# q! T
l& f1 H* |6 o/ v3 u. I$ R+ c
4 ?, l( T8 J& I# Oask customer [2 J$ I7 n# S5 {% O* @+ w
update-local-reputation6 x4 x) B4 p" Y: @; R
set trade-record-current
, K# A! [' J& ]6 C5 j) ~(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
& S" }* Y+ x- s]
6 X' v& A3 l4 \, g
& O4 ?; c) y; c- _ F- S# R3 T0 v& V p+ C( V: x* @
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
5 u* W; c b6 p2 w* ]% e
, G7 b1 k' U4 ?8 |1 @9 T8 sset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))3 W+ m7 ^3 {) _( g* v0 c7 B& j
;;将此次交易的记录加入到customer的trade-record-all中
, V! }7 Y+ Y/ o$ Send
8 E+ J: v" y/ H" t+ h1 C: L( p1 P6 ^9 p# k3 N: B4 T) n) X
to update-local-reputation5 R8 x9 j0 v% S8 v2 y! X& M: X
set [trade-record-one-len] of myself length [trade-record-one] of myself
% N6 w; j6 Y! x' n3 W' y' Q' ?0 q/ M! ~8 h h4 @8 c+ H
, J/ E1 ^6 o f' R;;if [trade-record-one-len] of myself > 3 $ t( I) c" `! L9 t5 l
update-neighbor-total
: R; W: o' X8 V' t! T;;更新邻居节点的数目,在此进行
. \& T8 k8 J4 d( Q7 H8 Vlet i 3
' O8 d* b- O2 Klet sum-time 0
! ?5 b: k6 X3 l# vwhile[i < [trade-record-one-len] of myself]: A8 K* r) o4 f
[; a: U! R" u/ t* w* P0 R) m
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
( o2 @+ I0 |4 N% oset i# z# M* W4 v. T |! j& @! Q
( i + 1), t7 \# P0 v3 H9 F" c
]
" b) t" Q1 _0 l2 | k8 Elet j 3
6 K# U1 u; j! I3 [( slet sum-money 0
: @9 w, z4 v6 N, _9 b( qwhile[j < [trade-record-one-len] of myself]4 \# f. x9 k2 ]# w
[
3 x+ s6 r7 d! d0 }" Gset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
2 ` Z( Y4 |2 [6 Y# Gset j
6 z) r! v! |! W. ~' P, y5 m( j + 1)1 j. N4 k3 o' Z; r8 V8 z
]
7 Q; J( i+ \3 Q, _. U1 Hlet k 3
2 C* w8 k: H" L# wlet power 0
8 N1 Q% Y# S& z. V7 p8 flet local 05 R5 b5 w7 T2 W
while [k <[trade-record-one-len] of myself]
6 f% F$ d4 k m+ S2 o[
5 w9 f& q2 ]0 S( {3 X' `: a1 pset 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) . v) C8 I5 ~3 M) L$ Q8 T2 k! \" s
set k (k + 1)5 k$ J6 b# H3 g3 A. Z0 d
]
9 n* _8 t& b% ?- F: {3 Nset [local-reputation] of myself (local)
0 Y! Z# W) ^. Y* G Z' K7 w9 oend0 V* f4 w7 w Q, [9 f
5 n6 Z8 S5 a8 n
to update-neighbor-total* I: J8 W3 l# g' L# C2 A
! y. J, I7 L; {1 a2 t! k8 a' R: Wif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]0 w1 Q$ P O: [1 p! N( s
) X/ {) T- Z" E3 w' r; L/ y3 g
) U6 l( ~$ p; I" p6 Z6 Z6 J( E- U/ Eend0 q/ |, D3 p/ ~+ Q/ d/ w1 p" i: z
+ ~3 R: i* H. N% _. z0 h
to update-credibility-ijl , z7 m2 C4 G% q7 _
2 s" U, x8 v8 |. i;;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。) ]; F/ g$ [+ \) l5 }6 b" D
let l 0
" {- W6 i" U9 T0 u2 s* u$ z( Qwhile[ l < people ]
t, t# ^1 j: L+ @;;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5 M1 I: P% f' H0 ?
[
9 \8 P9 p8 G) q( v# G Nlet trade-record-one-j-l-len length item l ([trade-record-all] of customer). M$ g) g7 _: P. d
if (trade-record-one-j-l-len > 3)- V- L) A7 ^# t6 W* ~
[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
9 j, o- Q4 f) T$ c) D* plet i 3
9 _% _! c- s' Ulet sum-time 0" U) x. Q6 g( ~ Z- ~; F
while[i < trade-record-one-len]
$ z: `# K F# \* H[6 v) m8 k# B! ~) `' ~
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
( m# [5 t) K3 O! jset i8 V8 M. W5 v3 O5 r( W0 ^1 S. I' O
( i + 1)
5 f8 r0 ]& g/ s. ?+ U4 v]
& P n/ _2 A8 { w; s: glet credibility-i-j-l 0& q6 b" X; \2 U. z Z/ D" H+ i
;;i评价(j对jl的评价)1 q/ C3 n6 o8 l- O- f8 q5 ]
let j 3
3 Y; d4 L9 N5 t5 V/ ]5 ylet k 4
_2 O9 [' {9 N8 k. |4 Zwhile[j < trade-record-one-len]3 r4 ^0 Z- j0 g- B+ F/ c
[
( c5 V( O2 o8 z/ e1 u3 w4 mwhile [((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5 r, S) Q; K) | _; Y( 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)
6 T& I* M' ?: |* ?" D" Aset j3 Y5 M: Y. W+ O5 B+ R
( j + 1)- G6 j0 I j" x1 V; N3 {
]
3 D" D% I2 v1 s: x# v% `3 K8 Fset [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 ))
: E! r+ `; H5 x# ^: Z: T, P% n( o% a/ S* [8 ]9 F1 A) t7 s
+ b* U6 i0 z2 q9 H
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 d2 f; S; M& @# _$ k;;及时更新i对l的评价质量的评价
( u' Q( z0 Z, D) r6 d. m4 Mset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
5 Y+ v9 B$ J4 |, O' T8 x& p9 Kset l (l + 1)' |1 x1 p9 i q
]
0 J* F3 C1 v) N6 L: jend
/ |7 ~9 i* b; d1 z+ b* P8 F# E: d) S& `) E, }
to update-credibility-list% c% P. d* @, k$ P
let i 0
|6 J* O3 O: K" ywhile[i < people]* H" n( h; G' Y D+ M$ e
[
' L* ^ z" G/ H$ X. dlet j 0
/ p& B- s2 r, ]6 I- p/ Slet note 0( h$ W. q& I7 |
let k 0
4 ?4 n/ i2 d; e) s: X9 r;;计作出过评价的邻居节点的数目6 d4 T5 i- s3 J) a* {7 |. A% [
while[j < people]. F; C+ t0 d5 g9 o- e
[
0 I+ C3 \# p" M/ P/ q8 g( Xif (item j( [credibility] of turtle (i + 1)) != -1)
) A% `$ t* p L+ g' E/ F; d; w;;判断是否给本turtle的评价质量做出过评价的节点
3 l d9 E/ c- u* c[set note (note + item j ([credibility]of turtle (i + 1)))" w. l0 W! _1 E i# J# I$ K) ^9 L
;;*(exp (-(people - 2)))/(people - 2))]
* f! n2 m {5 }5 I2 X! r) Bset k (k + 1)
& U2 B1 d n3 I]- X# G4 T* n, {" p9 n' f/ G
set j (j + 1)
+ [4 v1 [4 L% F) q]
, E! _& q# Q& G& Z oset note (note *(exp (- (1 / k)))/ k)+ @, k% }/ ]% \7 l9 p1 R
set credibility-list (replace-item i credibility-list note)7 \: s4 C- F1 U) Q5 Y, a
set i (i + 1)4 w+ C, @' _2 D! N! I
]
3 M. j5 c' a$ l; f9 K) b9 V) rend- k$ A; f$ W; a5 X
9 l2 h0 ?% w; H. ]8 l) hto update-global-reputation-list# X; g4 F1 e S0 ~/ L$ W
let j 0
2 r- O8 R! A# Rwhile[j < people]
" I6 A/ d$ G5 X0 ~[
, ^/ j( C; F( x, ]3 @9 M' tlet new 0
: G- M4 R0 t. s( \1 @# f) u;;暂存新的一个全局声誉
$ x5 C- R2 r5 Y8 `/ G( V! Hlet i 02 G5 R! H7 v) A8 M/ C
let sum-money 0
. B, E% t' }* D8 F5 v) r/ J# O. Llet credibility-money 0
) J' ~1 t6 \2 F8 B" {while [i < people]. i# i" o/ r( d1 u( J" ^
[
( I( U- }2 O5 ?! Yset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))* c- i$ g8 H9 ^; k
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
* t3 I1 Z, P' h/ S$ ?' Cset i (i + 1)9 A% n1 W ~ D& ~
]
6 @' C- q- W; u6 dlet k 0
# m! k! N3 l- {4 Rlet new1 0) _, X. Z6 y2 M! q
while [k < people]
9 D+ ?. }5 G( t% D' U+ O/ C0 f[
% r+ U3 K' y: h" T+ r6 X$ K$ |" u$ Zset 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)) V+ U* o1 h7 W+ Y* `
set k (k + 1)
0 J# } d, o+ r* m1 O]
2 a+ c/ u; u' p/ R' |( _5 nset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
# c& E3 s- i, A8 H3 C( R/ dset global-reputation-list (replace-item j global-reputation-list new)5 L( g: K) K( ^( ^
set j (j + 1)" L/ M! e# f1 X- x5 S3 E
]
: S" b5 }! b7 U' R9 yend7 E# I* s0 s' s2 x8 G3 ^
) q4 p% ?' V! ]. \( o8 a
# f$ X' A7 z1 X4 v; @- K" D( ?
4 ^8 @4 w6 w2 {; J5 ]7 @# [to get-color1 I! l6 Y. y. i0 _0 C- \" G6 w
% N/ X0 y& L9 @set color blue
: J0 x' g2 Z( R! z- N send
1 Z, s# ]' B) ]! [ Z
" \% C& E7 n* U4 l; i( {& T+ y8 @$ |to poll-class% r( U$ z, ~/ Q3 @
end% J/ ~: M x% J3 I
* [" K2 o, ^) m! [! Vto setup-plot1+ p4 [5 R# L% O5 L( Y$ `4 p
9 c) @, ^/ ^4 j- N" oset-current-plot "Trends-of-Local-reputation"# b; L2 V0 N9 {1 M5 U
! T4 F+ j+ |1 ]9 i1 D
set-plot-x-range 0 xmax
% R8 [ [% }$ @ _3 a; Z8 w. n8 q' z
set-plot-y-range 0.0 ymax5 P1 r1 i9 Z3 Q1 ~4 A: {+ w4 U0 o
end
- h- D* q9 ]9 @9 X
: [1 E) j4 R: K. E! m0 r) ato setup-plot2 O6 G" c* ~$ J) I
& T- p5 O' n; ]7 U5 x2 e/ `' U2 q# `
set-current-plot "Trends-of-global-reputation": u1 l$ m2 h! d: P. _/ y' l
8 L4 ~" m5 S# S; W- z8 {% n% nset-plot-x-range 0 xmax! I1 W) _! g4 h% [9 R1 P9 z* P
' e( C/ a& b8 h( U
set-plot-y-range 0.0 ymax
" R% H2 B. E" vend
" A( @: j9 R+ J, |( R' x! E- r. S3 `" c* m6 v4 x
to setup-plot3
7 l- k7 |$ W- m7 F- ~: }4 J- y& M
3 [" z) S. ^1 [- G- Aset-current-plot "Trends-of-credibility"* z# ^) D7 X) ^! z6 ]8 e' s
8 T8 T- ]' Y. b1 s4 Aset-plot-x-range 0 xmax
& ]: a& i v9 I* E3 g. ]: x$ ^, {0 n2 P( V* p1 I T
set-plot-y-range 0.0 ymax2 ?$ R |4 ~/ m6 {0 W
end
# P- F, v( U+ q. T! J! W: ~# e$ j0 ~# m# R# w
to do-plots
+ a1 S" U3 I& N0 Iset-current-plot "Trends-of-Local-reputation"
- V( x, g( U8 v( }( g: bset-current-plot-pen "Honest service"2 S, e7 w$ v0 l1 G& ^6 o& Z6 B
end+ z. k" g, ?+ p1 m/ Q
- @, W1 l, I$ S# W% G7 b[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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