|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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
1 a* H# }; M" w9 v) z) M& D; uglobals[2 ^0 K+ o: z2 u' Z7 U G# s
xmax9 q; v6 l' P# {7 X
ymax) |% H/ j$ ]) a& k Q7 x
global-reputation-list
' j8 |+ P: P% d) f$ @' @3 }& M( O# D: w2 }# x4 u0 H% c
;;每一个turtle的全局声誉都存在此LIST中
: {5 Y" d9 }- t8 _* B7 q; ^credibility-list8 F! ]3 ]2 @: \- C" u P
;;每一个turtle的评价可信度( Y/ G, S% \3 |0 X# H+ O- j/ V/ D$ [
honest-service
' H5 ^$ Y. k& U7 m: V+ t( ?7 O& cunhonest-service3 h8 J/ [4 B5 ^% ?
oscillation& l" @* c5 O; y
rand-dynamic" y. [! c5 |' T' i2 n, Z6 S
]/ K, ^3 j P) [% f+ E t# d- j
( {+ \+ ^- D9 c- J' w8 q5 w t( Bturtles-own[- V$ I3 z8 x- K+ t2 m! \9 Y' Y- Y2 O4 n
trade-record-all4 N- |( r+ o7 M& R- y& j! o7 f" u
;;a list of lists,由trade-record-one组成
7 I% l0 a( d4 P/ ctrade-record-one& V$ C; y! ?& D
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
- B$ Z, z7 g* v9 R$ y' y# Y" }- P% _2 u
;;[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]], j4 s6 |5 d7 m; O
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]1 D E6 U) X y( }8 \
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
' N" ~7 L1 g4 [8 ^7 t$ qneighbor-total' G* I: L) V9 N
;;记录该turtle的邻居节点的数目' x* b0 Z- l3 ~& v) X* P( Q9 v0 i
trade-time
1 v0 O4 y5 w$ E5 l' c( S. h;;当前发生交易的turtle的交易时间
$ O' c8 W) [* H/ | b0 {appraise-give; p) R o7 v7 m& H
;;当前发生交易时给出的评价' c+ Y# K# }% [, H# A
appraise-receive: x& ]* W. o; t7 p# S
;;当前发生交易时收到的评价( E! u7 u1 @. z3 ]( x+ d; r
appraise-time
; E' J6 y) X* _0 P;;当前发生交易时的评价时间
$ `# O1 Y# i3 ^0 U, o' rlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉) ~& d5 t0 A% z
trade-times-total8 ~& ^3 k) u' `
;;与当前turtle的交易总次数
8 t) a' I) M2 F3 v& o, k6 Utrade-money-total
3 t* v; Z& a& ~6 g! F2 Z4 A6 @;;与当前turtle的交易总金额
) l$ f Q+ z% g g' i9 [local-reputation
. U7 B2 ~# n+ N4 O& aglobal-reputation8 M! z7 v9 X7 u) ?
credibility
* x& e% V' a+ Z+ s; h" [* L- K# d;;评价可信度,每次交易后都需要更新0 P6 W5 D. |( n0 d" h0 T2 `5 ~2 E
credibility-all
f8 k# H3 r+ }. [' H! e, 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* d& {8 z% m Z; e; e; S. @; s
* l p( G; C% e
;;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
/ [/ t: w# ~1 h5 D& dcredibility-one
) ]1 c* d; i1 \: U" v0 a;;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4 X7 j0 ^( Z, k0 I8 H
global-proportion
( _6 b5 n% g9 c( \; Kcustomer: R" o) u% q6 ^' I- ^% e
customer-no% s8 B, q" `1 A b" N9 e0 Q
trust-ok1 k8 {! A* Z$ `+ W
trade-record-one-len;;trade-record-one的长度* g9 s5 Y. k. O
]" w& a: ?: u" \! Q: \
4 Z! X0 K8 Z9 @. x ?1 R
;;setup procedure
7 J0 S5 A% h6 V0 V, H7 v5 ~$ S o' @. H: p; i) N" f
to setup
# @, W; a2 y1 n. Y# J4 c6 c7 r( b) h# w( ?' Y
ca! J3 [8 W2 n/ D! h) j! f
, q* O- t2 }: x, H8 z
initialize-settings4 n1 F a$ \9 f# D) ?
5 `, r3 a# |1 G9 Jcrt people [setup-turtles]
, U: J: P9 y* }+ H, m3 Y: X$ d! J9 G+ }) w; b( L
reset-timer
6 L5 i$ e/ _: o& T6 s" ~* M
, h* V9 [3 `% I2 [) o4 opoll-class
! ~1 H" N5 P( Z; q! z2 w$ M3 I
: U- |; Q0 m( y8 ]* j& Psetup-plots
/ O& N' b4 I E9 s) K; R# U" j4 ?2 Q1 w q! n
do-plots) V/ l. Y4 D1 I; K6 d* K" M
end" w, M% N( n+ W
* G! U, N. M5 O* C) ~7 \- G Qto initialize-settings7 r% x* Y* w6 P% T7 {" W* x, \
; p6 ]! \ W) S/ T4 R+ g$ mset global-reputation-list []
$ x9 ?# {0 T7 ^, b+ K* \$ U; U( N) l
set credibility-list n-values people [0.5]
) P% {/ E8 C- \0 r* D" c, P" |
+ C( X% K5 H) C9 v- Sset honest-service 0% h. e/ P" f# {0 R! m' ~5 ^
5 ] H! y$ M4 f! ?8 p& b
set unhonest-service 04 N' }( U! k# r2 y4 k
9 e( v& ^! A2 x
set oscillation 0- {7 O6 c+ G% ^
0 z8 O, Y' @1 h' U( U$ o7 Y! _
set rand-dynamic 0 V8 j6 r6 B; H' p0 }
end
/ i5 u. ]8 ^/ i( h* P- d! Z; V, E. ^/ y( F* K
to setup-turtles
& k2 J1 f: @* `+ Q% u" P5 c% Tset shape "person"
' j* d! i0 N9 |0 Zsetxy random-xcor random-ycor
5 f X, a, s: }3 u& b fset trade-record-one []
! N d) x5 O# J6 X, Q$ \
* B7 C5 _) `& O3 t* Rset trade-record-all n-values people [(list (? + 1) 0 0)]
0 V4 x3 H7 j. T' B( ^0 u
$ A5 H* S- h) b! y- tset trade-record-current []' |! i1 p2 H! r# K
set credibility-receive []7 |* T" W! v* z( u( m
set local-reputation 0.57 t/ D/ m! o8 {) e" ^" M" B
set neighbor-total 0
; H% `0 d! ]6 P9 pset trade-times-total 0
( N: y# D- w9 ~) W, x, \1 fset trade-money-total 09 E: X1 A8 F+ d& P, l/ D* ^) T
set customer nobody
9 _: E, }# t# oset credibility-all n-values people [creat-credibility]
: U7 U+ y |5 a" S0 J* ^1 mset credibility n-values people [-1], ?1 r8 g; a* V6 D% o" _+ \6 e2 q% \
get-color) a* Z3 Y3 z( l# G# T5 [
( b; U1 Q, K" N9 E% d: p, |end
! @3 a1 f h, P; u: b7 f
0 I6 @6 g' z* }8 v- ?( c- M; Dto-report creat-credibility0 R2 ~ _. J) V; G3 T
report n-values people [0.5]
' ?) o+ |& i% l& M( Q1 h' Q! [end [( O- r3 r/ c
, V& g" C. u/ R3 g4 _to setup-plots
: J/ m+ Z( b- y" ]( N. o0 o, F# a1 q# ^, E6 Y: @
set xmax 30
& e) [3 e: ^0 B& J
# S) [- z$ B# p7 x0 o: _set ymax 1.0
) O* R! z1 V. V' ]/ q$ p* c6 d& l; B; Y4 y/ G) D9 D" y
clear-all-plots! r, u8 `# Y( h
) Q6 K$ f" R. K8 m: V9 `setup-plot1
- O/ x( V9 z, w
' a0 ?5 w3 s. S# F H9 G9 Zsetup-plot27 `( i) v9 i" }9 w
6 I' {1 L9 H s, A8 d
setup-plot3# F0 u3 u, N- ]7 e, B
end
9 U6 T$ F3 w5 C! Y
" g" Z& }* a0 G' H k/ G, u;;run time procedures
+ {$ b8 D9 V- {
; y8 S; r7 B0 C) C Kto go
( n" }2 u+ u7 L$ u. l( ?* S2 ?* q& N; e( \% H( J/ S
ask turtles [do-business]
; h3 x. b5 O" C3 P! [- Qend8 w+ m( @! @' {( x
, V2 x9 U2 I. B9 Y. W. h
to do-business ! c- o6 w. P; t. n
( c/ d2 [6 \. E7 Z
5 [" K' R8 Y/ S7 M# q5 zrt random 360
( [, `3 d: a3 {4 I# E+ Z" Q5 F6 T5 y/ l$ W/ n) E5 f/ N3 J
fd 1
! |6 L! F: {0 p7 T! G0 \# j
- }9 V$ x1 ]6 S6 R9 Mifelse(other turtles-here != nobody)[
/ y) C% b, c! y: P! u$ j4 r# J
+ E0 w4 M) ]- H& r# z8 Lset customer one-of other turtles-here
3 c! |% p5 Z+ @% a/ j
& v+ }# k, ?3 w9 n C;; set [customer] of customer myself# J4 i1 _% W: \6 A7 m7 k
) n* _' M D( ~4 A& I' H
set [trade-record-one] of self item (([who] of customer) - 1)
9 N. _ J% e5 ?" r1 u[trade-record-all]of self
. g+ k4 x9 h( v;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
6 n5 ^2 ^+ F f4 B6 Y/ q a/ X
" m+ [3 L2 c1 N6 v% _ V9 h# w9 Hset [trade-record-one] of customer item (([who] of self) - 1)
) x4 A" s, \1 f1 B& ~) d[trade-record-all]of customer/ Z6 u$ {" l0 ~" x. e! Y
& A H, M. M' _; c. ^) q; x0 D
set [trade-record-one-len] of self length [trade-record-one] of self# i G: }. d# W8 W/ E% @
. z& d' A, ~" F, _- D" xset trade-record-current( list (timer) (random money-upper-limit))
# z0 Y) G' y& d, _$ W4 w6 ]; x2 D* k+ a
ask self [do-trust]. [- j& \" O8 ]7 x4 _8 t3 n
;;先求i对j的信任度
! {; t |" K$ i- K( @# }8 m$ ?6 k9 }
if ([trust-ok] of self)/ j) O4 ?. L0 G8 A6 w8 a" m3 C
;;根据i对j的信任度来决定是否与j进行交易[
' S O% k9 _8 Y# {# H: Qask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
) B' l* g+ n- \0 J3 K4 I( a% ~+ Q3 P8 k* `/ @0 H
[
8 ]5 `( w' u( D9 A$ G' T! Y; P8 p1 _
5 B. }. K9 [; Udo-trade
' V; _8 r6 ^% k& z0 p6 k1 E- I4 j" b ~
update-credibility-ijl
0 ]8 i [, f1 ?2 y/ R* P) V8 H' Z9 ^: {+ V5 ]! H' \8 B, K+ Q N2 h
update-credibility-list
4 n7 `: L8 y. p) m6 e1 k# L8 {$ H/ [
% [: B6 Q6 k8 I" v9 `: fupdate-global-reputation-list) Q( O( ?. G: z. t- V, N
9 N8 O/ o: i8 `; q8 k; p
poll-class0 b, I) a+ A5 q
- D. z& i" _/ x. _2 e/ k( {0 u% yget-color* p9 y& d, T# C6 K
. h9 O$ |0 A3 C3 n& X" Z
]]% E. z% w" q# W: v
7 n) `/ K0 A& ]# h& t& n Z0 I;;如果所得的信任度满足条件,则进行交易
' o! O% y0 N' \- s6 K) M5 b2 ^
[: H) v- N6 E9 n% B
! _4 w* Y8 g; i/ w
rt random 360
6 N7 g7 R$ K i1 E7 P0 k* q3 ?8 B5 @. @6 g) h
fd 1% Q9 K4 Q0 b3 V
8 O: N/ g o6 I' U7 t! u/ H
]' p% R$ B9 p, O6 p/ \1 C
2 L c7 n- u3 W4 k( e, p+ _end% y- S( B7 ~6 H* D6 G
$ O. h4 g$ Q$ R! e/ [& H4 S% q5 M" ?to do-trust
) A* H# f, Z$ l# |3 P9 wset trust-ok False
' r K9 b1 D$ i7 d+ `' L7 w" w; E2 R! E: I! n* z& B3 X
% ~3 e3 P# _' W! H8 U) g0 dlet max-trade-times 0
- \$ l0 w) p) z! _ S! t7 p: zforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
{3 t. J' ~- t7 w4 d. \' q- Glet max-trade-money 0 B0 V' D, p8 Z* X
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
8 c1 g' R9 J, Dlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
0 I* R; Q0 n- N4 a8 ?
2 x) B n" i% K) P* \5 J& s
& Q+ w& M' B- R, p& a Eget-global-proportion
" }# A6 u# p% V% z) q* D( mlet trust-value' S6 A$ W6 r' {- W
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)( X1 A3 H! e/ ~8 J. _- b/ d- L% F
if(trust-value > trade-trust-value). |& ~0 x* H! A) c7 w+ d/ H3 k' g- A
[set trust-ok true]: J8 y8 ?5 E- U2 }/ d' w
end
8 P1 @; V$ b& [7 g( ]2 v* W \! ?
2 Z m" e& F+ l0 W4 k# xto get-global-proportion
5 A6 V/ ~# o6 r2 ^# G; l9 fifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3) N% N) w9 c/ m
[set global-proportion 0]
. W6 h5 m. e7 X( x" c; C- ?3 _[let i 07 O! d O; c$ W* Z
let sum-money 08 i0 K/ E3 e( q% D) F
while[ i < people]
4 C, U2 g( g. y( Q* T& G( p[6 D' q8 U, E ~$ ~4 h
if( length (item i' D6 i) l. N$ _
[trade-record-all] of customer) > 3 )
) C \6 I+ p2 \# H+ o7 n- ~[$ t$ ?) t2 W4 R, J( Z( W1 X( y2 b( V# a
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
# o P$ ^5 p& m: Z& z1 v( _* t; I9 P]
/ Y8 P& ^! J/ ]8 c! Y]
! m# y( a; P. P% clet j 0
$ o5 f* n6 z* p2 g$ ^$ Wlet note 0; ~8 f7 Q: C0 t U' w7 A, S
while[ j < people]5 X& K7 I0 j9 h/ W8 c
[/ n2 \! i. m# K+ V& A* x' j) k
if( length (item i
+ ?4 Z, n: N/ @; F& a/ R% |9 U[trade-record-all] of customer) > 3 )
& r/ {: i+ S$ N0 b[
/ d) c- n( K X3 W4 O$ B3 M! [ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)# j! i7 t& D/ t9 k _2 n
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]+ I- a. o# P6 e5 i
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
- l! B7 O( G. C* w]+ {2 _+ W9 r+ K4 l3 z
]
) g* f& L2 @2 W# }; v( q1 U$ [set global-proportion note* @% P1 Q' T/ s6 {3 e
]7 ?. c7 q3 [; o! w6 L7 ?
end
, d" f/ g4 ~% r) E- \! v- m. @! K, _( }# Z5 l. \: K6 i5 D
to do-trade7 ?* `/ _1 d' o6 E
;;这个过程实际上是给双方作出评价的过程! u/ J2 s9 n: C; A1 [
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价3 V) w2 Y4 G+ y5 Q R9 [
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
9 d# b F+ c+ `0 M4 X, o1 ~set trade-record-current lput(timer) trade-record-current
- G, z! r$ a" ?;;评价时间
9 Y9 x- @! [$ m8 ~1 {+ cask myself [
7 h( Y% C5 |& Y; b1 iupdate-local-reputation. _4 j9 U' Y) h( ^
set trade-record-current lput([local-reputation] of myself) trade-record-current
$ d, [" V0 P% M" E& N]
/ c* g; {- j- q' P, F- _* o+ Mset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
. h! `- B* x3 Q( m% v/ X0 ?9 ^;;将此次交易的记录加入到trade-record-one中
" D) e3 I# c; A+ o% q2 y+ i- Rset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
6 }5 S# \, ^. G' K3 t! Llet note (item 2 trade-record-current )
0 \+ M7 n$ n5 \% aset trade-record-current, F# Q! F: N3 q+ j
(replace-item 2 trade-record-current (item 3 trade-record-current)): t5 ~: k/ K. A) O( K4 }# d
set trade-record-current& F1 V, L3 ?9 D4 z
(replace-item 3 trade-record-current note)" j) K( J- s( ~/ z a v% _
9 c" p- V! ]# L' D E f
* \8 K b i9 H* Oask customer [
! {) W/ P% Q$ ~: e1 f. Wupdate-local-reputation- D8 D4 P2 U" }
set trade-record-current
$ j9 Q2 B9 A9 n: A(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
& j e3 P0 G" L& v* V* t]
$ w8 j( q* y7 s1 ]+ N4 \' I) g
, P6 i. Y6 P& o+ K5 N8 e, `% K o9 ? b' N5 C
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer% B5 u7 X5 F& O/ u5 |
2 E5 J# L* o( n; G
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))' `1 `6 p% Z; l" }5 A' ^
;;将此次交易的记录加入到customer的trade-record-all中- ?3 {# ]3 S$ k2 J
end
7 x3 J! i- Y4 {* x3 x+ g* Q- O' U" |$ d
9 n' s, e# F9 H6 Ato update-local-reputation# Y# o8 X @: a$ f/ F3 d
set [trade-record-one-len] of myself length [trade-record-one] of myself, G T% ~" }1 @2 A% j5 |
8 V4 u- Z' B$ e, f n6 S* m$ O, z. {% t$ l9 R1 i
;;if [trade-record-one-len] of myself > 3
7 q% F4 j6 \9 J8 Qupdate-neighbor-total. G% d8 {: S3 u3 R f
;;更新邻居节点的数目,在此进行6 b% l& H4 Q9 |" x& A8 m8 ^9 \2 n. v
let i 3
, _ D, W1 A6 |let sum-time 0
8 V V& D* m* F( f+ m, j$ ~7 Twhile[i < [trade-record-one-len] of myself]7 B( @: {9 I; z
[6 r2 y+ D: Z9 q" A6 R" F
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )7 ]" J0 v4 t9 O3 A
set i) w& i5 _( b, j) g4 Y( W5 P
( i + 1)
* l) K9 _8 x2 S0 z* A* `- z]
; s. Y o$ i" @2 O1 w& d) vlet j 38 v0 A$ C( S- U" k3 ]; E9 T2 Y2 t: E
let sum-money 0
4 l, W3 j7 b9 }while[j < [trade-record-one-len] of myself]
0 z) {( m" z1 k[
' q' F% G y. D: O9 E) C$ c- ?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)
( d: C8 R1 B8 }+ wset j
( d5 N7 d, J4 v8 M* M$ d: K! n' D( j + 1)
" u: l: d7 F+ u: \4 F1 Y" {8 i]8 P3 }! q$ o* M6 f. u1 C' j9 s
let k 3, `) L4 A! ^: q% W
let power 0
; t% z; y4 [/ @! H' Blet local 0, r$ Z% T# \5 R% z, q
while [k <[trade-record-one-len] of myself]* ^6 a9 z5 |* k2 |
[! v6 L3 J: p6 N
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)
. {! c- z. Y8 n! lset k (k + 1)# ^5 { ~' ?9 r5 Q$ f5 Y! i( K' Q
]
: Q" v5 _% H: C4 P& rset [local-reputation] of myself (local)
1 j/ `) v; H# X) Z/ R3 h/ l# ?end1 I6 V/ s2 u" r' W, b7 v
: Q( E8 v/ ^& v% R/ M* g5 Y8 V3 C9 @to update-neighbor-total
# _/ l1 |! k$ i- g6 c7 I) z
, {$ t( o* x3 I; }if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]2 ^& N U1 A5 r* C. c1 ~1 X! p. M+ |
( H8 F5 X( E% N: i, o& L2 v+ ?. ~; r8 k- T- C! T2 H% W
end# O3 s( \& q6 e0 C/ p z2 x
/ V) a$ i# P. N2 D! q; F8 ]to update-credibility-ijl
- t- X/ I7 c! S! n* T
& e- f: [" u; \/ |4 c1 U0 X n;;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。
% `2 }# F# {) f7 M; }let l 00 o$ u L3 H2 d) P8 y# s l! D
while[ l < people ]
3 W! F* w3 `5 Q# z; W;;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
+ Z" Q: @* k/ L8 _9 {$ q# D[9 V- Q- Z I1 g4 {& ~! [
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)( V5 J+ O! T; j
if (trade-record-one-j-l-len > 3)4 ]2 A2 C: N) u& e) y0 Z5 G" C
[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
% a2 W; `7 P5 t) Blet i 3
6 P c0 Y5 u: j: b1 Hlet sum-time 0
2 l* E+ `- y, n. Z) m" Qwhile[i < trade-record-one-len]8 } j& A( G5 y; Y$ e% g% x8 Q
[4 u0 [ h3 f! s2 [
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- ~/ N- C3 P4 ]& a- G
set i
" t. @: E/ V6 W( i + 1)* ]% W, q- [: z. n8 L% c0 M$ X+ e
]9 a% k& E. s% j+ v! a2 x9 s( x6 \
let credibility-i-j-l 0) o/ k; b" Q* c+ j
;;i评价(j对jl的评价)
% A' p- e+ { [/ hlet j 3$ d8 Y! I1 _7 Z' n5 w
let k 4" i# [8 N: w( p t! n
while[j < trade-record-one-len]
8 N+ f, w! ~+ J- Q; u1 b[
( v. n) d8 e4 [- Dwhile [((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
0 P- \' g) m3 H$ L' nset 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)( ]- q' s& j% w0 K0 p! A2 |+ i6 ]4 q3 v, @
set j) {( z6 R( I$ W
( j + 1)
, B7 k3 l/ x" c" L8 @]
4 S9 E- ?4 f: Y* @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 )). A; U; R4 R0 V8 B0 H- J% q' _
$ W8 `$ X4 c2 t- P. }
9 s1 @$ b) t2 @' }1 P
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
& t8 s9 e9 q7 C. G# S;;及时更新i对l的评价质量的评价" {# I5 {4 K% w6 r
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
& [( B/ i |! h0 Pset l (l + 1)* |3 K) W D1 s
]
- ?5 O4 t; K y9 p% I# Tend& s) t8 n7 R' J% I9 J
4 ^8 H( S9 {8 U: Tto update-credibility-list
$ q! z, h! o- Q! c& Glet i 0' V9 Z7 v1 N/ N! H$ P! y
while[i < people]2 x$ P- z5 P7 w4 Y2 H
[
. V) u$ {% Q* `7 {8 P+ n% X8 q i }let j 0
. t+ n5 u. k/ A% Jlet note 0
7 S2 T% v4 Q( f7 D0 A. G2 ulet k 08 Y9 a. k. H* \, u% S3 P
;;计作出过评价的邻居节点的数目$ ]4 k X+ X' ^ I2 w& b
while[j < people]3 A5 `9 s5 d& ^3 `$ ]
[
) o3 I- ~0 E) A ~: U; sif (item j( [credibility] of turtle (i + 1)) != -1)) @, X6 J; v% n2 _% L6 a
;;判断是否给本turtle的评价质量做出过评价的节点" [1 e5 ~# N e# l8 H
[set note (note + item j ([credibility]of turtle (i + 1)))9 r* K2 N2 E( i
;;*(exp (-(people - 2)))/(people - 2))]
8 U J# h$ m3 x$ e( k3 {0 Pset k (k + 1)
6 F$ x/ r( o8 U' M]
" ]$ A4 c5 N0 o% G) R, Zset j (j + 1)6 H6 q. |8 P7 d
]
( @; } q4 a; L* sset note (note *(exp (- (1 / k)))/ k)
$ Y0 _4 r( g9 F& P* F$ p6 h9 @5 aset credibility-list (replace-item i credibility-list note). T+ }2 {; B7 j% X+ e( S; ?
set i (i + 1)* ^" @8 A# Y5 Z$ |, r
]
* L( u7 E/ D' Xend
. l$ d/ J% l1 t6 r
- H4 E7 u/ e) {2 A2 @9 yto update-global-reputation-list
4 X: p. o- s3 z9 c5 ^% h5 s5 ]let j 04 C9 M: s) I- @8 E
while[j < people]
, }/ J& O# v" u* M. R9 ?' v* f[3 k8 m6 h! ?# \
let new 0: w; z( N. ?8 ~. r5 D
;;暂存新的一个全局声誉
* q0 T1 u q& n6 F9 s0 ulet i 0
/ h3 C1 n$ |6 r: B# h6 slet sum-money 0( ^5 F& E( n# l, h
let credibility-money 0
/ D4 y- p# @: b5 m) Fwhile [i < people]
4 Q! F) C+ }" W9 l( r4 Q4 x5 e[
" `7 _; v* a0 W cset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))3 d. _2 p, t) ^, r0 w ?; y
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
% P c: ?$ S4 o. I# k) |; J, _( X% z3 dset i (i + 1)* T1 _, l% L9 w- J
]
- z" l4 O8 l3 R4 f( T" y% slet k 0
* `6 N7 ^2 g: r1 R) E7 A. \let new1 0
) j% x; Y5 U, R% k S5 W, Pwhile [k < people]
; v0 A7 R) q/ C- i[% i) f' C" U8 w
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)
- W1 c1 M$ _8 R; T. X* Oset k (k + 1)# o9 X! |+ |! _% h5 Z
]% U: F! [! E* l$ A- u
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
5 @0 g# ^5 n- yset global-reputation-list (replace-item j global-reputation-list new)$ f: c4 ~; S" I. \& u
set j (j + 1), \0 D' f2 c5 b, b. G$ b/ Q
]
5 l, g) H/ z7 x. S7 G- v3 @ \end) b0 D6 k" ?) N- B8 }7 c: h! _( }
( m0 W9 c1 N4 b/ R% T; x) t/ Z" A
+ o( M4 J! n% j: L( F
& e! U0 M! o ~- E! }3 i; P Nto get-color) A8 R) E r5 H( v3 a
; K4 S( G8 F4 }' N
set color blue# p @. e; \" f% C: k3 `& B6 \8 c
end4 B' g' k6 ]0 x6 _. @
l& Z& _1 ` L4 rto poll-class
* |6 l+ U6 z: [/ ]3 Xend" F/ h; F; X" ^0 `0 ?# O
. x7 x8 y/ }% V. K2 S
to setup-plot1
9 V- y! N( \. z* H* g6 `# V' H o* L P# o0 ]+ z
set-current-plot "Trends-of-Local-reputation"
& F$ s" y- N; z4 c4 W! ?# w- z( e
2 _ o0 S) |& j6 Fset-plot-x-range 0 xmax2 r- N/ l0 C3 z6 E( p D F7 @2 _* o
) F1 Q# c1 b+ S- t0 g
set-plot-y-range 0.0 ymax
, h( H* x; E4 p1 D: ?2 X; Send: b7 F8 I' ?0 s% Q9 b" k1 O
3 E& j. g: E( g( `to setup-plot25 O- ]( x: t7 U2 J Y" \7 s
4 W$ R7 z: }, K: I. X5 b/ g, pset-current-plot "Trends-of-global-reputation"
7 A+ f. O/ \* @! X E/ S
+ t. o$ h8 R- G5 m2 ~set-plot-x-range 0 xmax
: ?6 m9 A3 O' I' P. j; c( F$ k, S+ n5 s; F) g0 F1 J3 u
set-plot-y-range 0.0 ymax' T* c* x+ N0 ]* C
end) q6 `8 M) m1 ?+ }, O
. B9 X- C; p* k! F8 Bto setup-plot3( y: j& @) l9 z/ f% X$ p8 d
7 h. P" X/ U8 e; i1 \5 {set-current-plot "Trends-of-credibility"/ _7 }; p: a( \! R# M: h# D. Q/ L
+ B3 b @% B- x& `! ^set-plot-x-range 0 xmax
' o0 R+ G( n0 z; s+ M
L% {* D$ V- v8 oset-plot-y-range 0.0 ymax2 s3 P! C8 ?7 ^ x+ L
end: F( B7 e7 G3 {" l. q7 K
6 d* u( Q, Z4 ]5 N7 Tto do-plots
- l: W, D5 ~, ?$ j3 Mset-current-plot "Trends-of-Local-reputation"
5 {& X9 G5 a7 @$ xset-current-plot-pen "Honest service"
& f& v2 f: V5 T1 s& B2 [# Qend
' E0 {9 [1 e+ A4 h: n; D
8 E+ s3 r/ q' L, Y- Q[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|