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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, [$ f0 `7 `0 [; K& f- k( S
globals[1 U2 e3 y/ g# j, q a+ {' h1 p) ]
xmax
- c5 m6 b8 j; g! wymax
; }. ?/ z1 p' |: Z3 Yglobal-reputation-list# U& s: V5 L1 R+ L
; p% v$ d! `" _ n
;;每一个turtle的全局声誉都存在此LIST中
+ C( k0 g# ]4 R! S2 |credibility-list+ J/ T7 k \2 t' B7 A6 K2 G3 H
;;每一个turtle的评价可信度! g( N5 ^8 }+ E$ s" d4 |" c
honest-service- b+ a( N7 a1 o5 q ?0 W# ]
unhonest-service }* v# `: A; n' {
oscillation$ l: d& J; q$ ^0 G5 h4 |3 O
rand-dynamic E2 o) v; u. f/ |9 G g& x
]1 M" B2 x+ m7 |4 K X% N
: @9 q4 ]; K) o* Y
turtles-own[
* ^& _5 k2 Q3 Q: A4 w6 Y/ { B' ?trade-record-all" y* P: c7 y$ m2 d. ]6 l& n% `
;;a list of lists,由trade-record-one组成
6 a* A( a, Q" t$ Q- ^$ Z+ C% }0 Htrade-record-one
" L2 J; L# B+ [6 S0 b& s;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录: A, }( `0 l1 d, S! _1 Z
; Z4 f5 i% n7 a7 x
;;[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]]7 k; G& c. N6 i6 ^
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]
% a- O7 P; Z/ j* p1 m* d4 Vcredibility-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, {) s" c) V/ k! b7 t
neighbor-total
+ i* d: E0 O0 G- X9 {. U;;记录该turtle的邻居节点的数目" `9 T3 j( {" m: ^2 k( H
trade-time
* f2 G5 s" M' g;;当前发生交易的turtle的交易时间
- I9 v C' o, L! m. ~appraise-give! D6 e& s6 i% F' ~: u, N
;;当前发生交易时给出的评价# S5 `' F. v% J+ p6 S
appraise-receive" a1 C3 V" D; X/ W" z; |/ K
;;当前发生交易时收到的评价8 J7 [" h8 d- J1 @
appraise-time }3 ]6 e9 f# Y# F( a& H+ A
;;当前发生交易时的评价时间# S3 h0 b1 b1 X& g3 P7 v
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
0 `3 ?3 x/ n& U) ^trade-times-total
( o% l( {- Q& L3 |2 X8 h;;与当前turtle的交易总次数# N0 Z- ~6 t. W/ M$ U
trade-money-total
3 K8 i) O3 l; o1 h; v;;与当前turtle的交易总金额
) `! S2 K, K+ }5 u% Dlocal-reputation
( b$ t* j7 C5 ]- C5 c4 Uglobal-reputation7 i0 ]* q0 G6 V- S% |* {1 U- y- U
credibility
- ]2 Z, u6 c! m: ~;;评价可信度,每次交易后都需要更新" `) \7 Z+ h q. }
credibility-all
% i/ Y0 p3 ]/ |;;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/ s3 ~) S0 e& f3 D
\( n4 ^ ^( R8 @
;;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
9 A& w4 p6 M% icredibility-one
1 u' @7 x. K; K4 [$ @# S9 P;;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; ?& U% j; r5 e4 [% o% X
global-proportion
! I6 N% {4 l# r- ?customer
! w# i) G$ _& _- Ccustomer-no& L0 p' c7 b, Z8 ^) e
trust-ok
& k2 n& D$ G& @' ]2 R8 Btrade-record-one-len;;trade-record-one的长度
1 H) S% q' z: ~5 x]: J) E$ \: [: p: b( r8 U+ t
9 a C) l( k" a) j, n; w$ `;;setup procedure
- O4 R7 j# @* g( ~1 g
2 g2 j3 j( `4 `' u' A9 a: Tto setup, f ?; ]* i c
, v2 p/ o3 I- A+ ~# i% O! f* Gca: k; v- A: f* R/ S0 j* y, p
" e! R/ X6 P! p7 @initialize-settings
; F8 { t& J- _( g6 U$ a* u9 W- ~& a8 Q* x8 I2 X
crt people [setup-turtles]
5 _1 K# z% C3 ?0 U3 o- k0 r5 S
& W( o5 _$ q/ C4 T) x4 \reset-timer. K, b* v% U& s. O T9 T
' I+ i1 l7 S3 j, a( b; N0 e
poll-class
8 N1 @# t/ I1 m' n& \' n9 i+ f* k6 |6 G2 W3 z, @
setup-plots' V7 t+ q' v5 `- y1 r
0 u! X! ~2 h0 t. v: M6 Z% r. M
do-plots1 j/ h* c* N3 s1 s3 X6 `9 q
end/ Z. i2 v6 q" [. w8 C
. d- M7 P0 w; vto initialize-settings
. Z* V" i1 S" a! n5 ~- t7 G1 }; A* H' g2 E
set global-reputation-list []
$ X, O% `- c9 t+ Y& ~% _, i* W4 L" }! M, X# G
set credibility-list n-values people [0.5]
2 _/ k% c5 Q( z9 \1 {& y0 u& Z ]- S/ N, U1 v( w
set honest-service 08 F H$ w: L1 ]
+ F/ y8 C/ z8 Qset unhonest-service 0
0 i) w }3 G2 t, C5 w0 w
$ z3 L% s, @( O( r( e. Cset oscillation 0+ Y7 j6 t7 ~/ u
& E) K% q5 ?+ C3 W
set rand-dynamic 03 N$ \. h L( `# T& z2 }
end
- G! d% g. o$ L4 W# {9 q d4 H5 @( Y9 M
to setup-turtles / d( k- s7 n* ]% X8 u
set shape "person"
/ }2 R/ I% Z0 v( f& t- V! ^setxy random-xcor random-ycor
8 }/ h3 ~. E7 d+ yset trade-record-one []
. E9 t% O; q# Z/ ^' i. u1 {2 D
( q* f: }1 R8 J, j* w) P9 K( Y/ s9 a* \set trade-record-all n-values people [(list (? + 1) 0 0)]
9 C$ \6 a) b' O3 M, B: W5 I5 a# x$ Y/ p) Z9 y: [& u0 c
set trade-record-current []
- M* j) j6 L% p; n' u- d1 U" qset credibility-receive []
; N6 J' J, O. c4 ^% [/ Tset local-reputation 0.57 C, o9 ]" c+ \# V2 H0 }4 z
set neighbor-total 0& Z7 m$ n; f6 t
set trade-times-total 0- V3 y: ]. M1 M* o0 d; `
set trade-money-total 0, Y' _% {% v" e$ y
set customer nobody
6 [# Z0 j4 _1 J0 `: Z6 Yset credibility-all n-values people [creat-credibility]
; {7 w; _6 U. bset credibility n-values people [-1]
# R+ d% V. \& Qget-color( K5 W2 |- n* B: j
' O) a4 X. v8 M1 h$ Q" x0 W0 iend
0 L- W5 t0 X; d& X S
7 h6 ^1 }9 \' c: T/ N& E+ Z, J3 @to-report creat-credibility
3 C" u6 M* v H5 \report n-values people [0.5]
: P3 g' @& P; t! iend% q/ t' S* F o9 G1 s8 Y% P: c8 m
) s6 G( a$ p9 [ Z, F }: n* wto setup-plots% S0 ]3 F/ I& b+ p H
. G' P& o4 b! z( l% Xset xmax 30' |$ b6 {; H t3 I3 R: B A4 e. o7 c) E
2 p {* K, s1 }, Sset ymax 1.0- t' f4 p, A& m9 G. }
9 ?7 s# T# n) V3 x
clear-all-plots- v. H* w" S1 p, L# g! @8 U, Q
: k* o( e5 N9 Vsetup-plot1. z- b3 j3 n. y# r
8 A0 d! a) v6 M D! `( L4 S; X! j# ysetup-plot2
/ ^1 V' W+ |9 R( X7 l
1 ~* ^! _; Z2 L% o u% T0 o# wsetup-plot38 l3 q6 K* M/ r8 ~6 y7 F6 z$ r
end7 ~( K1 Q4 q3 R: [7 ~
3 k9 _5 f- p* I1 p0 G4 k* D8 k;;run time procedures
) J& d- y- @' x) K v8 R
5 n& t0 } V8 w$ Y. bto go
# P- g! Z$ N5 i' c0 I
4 K7 a7 ~, H4 \5 k6 gask turtles [do-business]$ J" i' H# H+ e9 o: C1 d4 J
end
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Q7 Q8 V* z- H2 r. yto do-business ) B. {) m7 K0 {6 E
8 j1 M% F! M/ m z2 H! x
3 D3 ]# i |9 ]& ]; ~
rt random 360* I. k# @8 ^5 }* b$ f
6 W9 b) m' M) D" Q2 m7 a
fd 11 p6 J, ^2 u7 F* V J
/ T/ t' @ Y1 j+ |ifelse(other turtles-here != nobody)[2 g7 k, G- y( d$ Q
1 W% ^/ u2 v5 U6 z; P* y; aset customer one-of other turtles-here
8 V/ l: _: ?$ x6 m$ E; W, a6 G9 `/ h! O/ x; d; y
;; set [customer] of customer myself$ F. i' q, S& l6 S
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set [trade-record-one] of self item (([who] of customer) - 1): B1 ?7 {2 A5 n5 U' S+ J* C
[trade-record-all]of self
$ i3 n# I: b2 J+ i/ p: x;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
# E" \" c% C5 u- Z Q
7 _6 R X# [. ]+ A9 a& uset [trade-record-one] of customer item (([who] of self) - 1): F0 p0 T, f1 o
[trade-record-all]of customer# t ?% ]+ y" T7 a
0 t- @$ L/ T t# l7 G& Pset [trade-record-one-len] of self length [trade-record-one] of self8 C5 e& @5 \' i
X' g- A7 R& f4 n' n
set trade-record-current( list (timer) (random money-upper-limit))
/ B# ~; g6 H2 D) I
6 l/ M+ p: j V& ^$ d9 Yask self [do-trust]8 E6 ~$ C6 _8 H! F6 e$ c4 S
;;先求i对j的信任度, [0 r5 F, r4 W, y% H3 N
9 h* O+ z9 d0 m1 K9 T
if ([trust-ok] of self)
6 V5 t C; I5 w1 };;根据i对j的信任度来决定是否与j进行交易[
9 D( \5 y5 D/ w0 t* H9 L- |( wask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself! I6 |& W. R# b; G* Y) ]5 L
) o( B+ y" e/ U$ C2 L2 S
[2 e; F+ z2 i5 a+ Y5 @) ]( \
/ G( M7 M7 D% k
do-trade8 E! v. B" ?' N" d: K( W. n
$ I) H H; _! E6 \6 C, J' O7 N7 J" dupdate-credibility-ijl9 o+ s( ^5 I- _ o% ~
0 m! r& {0 {, G6 H- t' \; S
update-credibility-list3 n- k8 k) F* f+ C g, _
7 p- @0 W2 s) b. {8 ^( _3 ]/ y
' _% b4 c# y, u, t( Q* l# T: u
update-global-reputation-list
- U; [6 p9 p. i8 L6 N d5 Z/ n! f
* R1 I$ [* H) Npoll-class
9 q% o5 d: c" V# N% `: b3 W3 p% O! w/ X+ _6 V! Y6 R% v9 p c6 L
get-color# d) w( V+ [, c) }- S P& b
: n( j# {& R( n( ~; u4 S8 Z]]
/ a. }& H. [- D% J/ K) T
* e8 [( \% [& |9 s. G8 c! |;;如果所得的信任度满足条件,则进行交易
$ k& d% S! v. M3 k/ k; \ q1 m' Y6 n U- t/ _7 `4 }
[1 |3 W4 q% G% C/ P9 |
" |, m0 G+ l. R4 q3 Crt random 3605 I( X- T" x4 q
% E% K G9 N( H
fd 1 ^# \# d9 h1 ~) X
: J0 X e% R/ M- Z! x9 S" u]
: r+ b1 f" L" I, E* H5 Q) d% W9 Z" ?! @ @
end
1 ]7 t9 k+ N( ^ P
5 ~2 q _8 W) n& F4 \( B) c2 `to do-trust
+ q0 z/ u% Y# Rset trust-ok False! r* o+ p0 Q; r& N2 @1 L& F3 e6 M
! M8 B: b5 x) a6 U
; Q8 w; ~3 p) s0 V1 S
let max-trade-times 0
8 Z! K/ |4 @0 m4 tforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]5 m1 b! V' ]$ h
let max-trade-money 0# w2 i) C# B0 Q, e
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
+ H' U0 G3 W$ M! Dlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))5 _" X* ]) K: b( i' c t! i
4 I" H+ E H9 X; |
& j- x; L i" Tget-global-proportion+ f3 w. e* F# N/ J- ^# V
let trust-value
, Z) n6 ?/ B4 \3 ~, G- Ylocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)% `# y5 h; G1 X# ]9 z5 s
if(trust-value > trade-trust-value)9 ?. I! M& ]) b
[set trust-ok true]
5 o Q$ M2 M, \2 V" t* s" g |+ bend
# s* ], H. X; `7 z, g5 l
* i# t+ t5 q& S! y0 |2 j8 }' xto get-global-proportion5 J/ K- N' s* t9 ~$ K$ W
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)+ d: H, O/ o) L7 v; i G6 l
[set global-proportion 0]
" F. J& I b7 @: I# N& ^3 w[let i 0
6 N5 `) ]+ u/ y5 ^+ o/ zlet sum-money 05 E1 V% ]' W; C) r$ Z! u
while[ i < people]) |2 k. |9 ~) d
[
& d+ q' a- b `if( length (item i
; X* i; n7 R6 z! W, U' R1 {7 K- L( O[trade-record-all] of customer) > 3 )
# C7 Q) [4 p6 n! v[
( y: V Z5 s- e( Eset sum-money (sum-money + item 2(item i [trade-record-all] of myself))0 `9 d( e5 D+ J& u
]
* v% f6 f" f3 {9 R$ ?0 q]
. e% D$ `7 Z I$ Elet j 0
/ {& _$ ^- [. m: A* Y ~let note 07 h" a( Y6 y" D7 y: [" K% s" U
while[ j < people]0 D7 X. ^6 R* w
[
+ p, j# d; y; Aif( length (item i
/ r% O' O# J4 A[trade-record-all] of customer) > 3 ); p v6 U0 C* x' |1 C
[# N. x, W/ L' k$ X
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)* D9 l" u" ?& P+ _
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
7 E: r* D; R/ C ?/ d- g[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
+ V2 h* V, j5 ~3 x9 D( _]
; l. W# \% G: H5 o- y]* _% Q. u O3 O4 Y6 i3 }
set global-proportion note' p9 I% K4 T( E7 _5 o% A9 K
]" P" {+ A8 B" Q+ O. e; F B+ s1 C8 n
end
, @$ m' \: R8 \) q0 g. ]; j b
' X+ _' L! O6 K e/ \8 M9 z( jto do-trade
8 \; z2 h8 D9 k# F) h;;这个过程实际上是给双方作出评价的过程7 F* C5 Z: O* R8 D9 \
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价$ f5 h/ m5 Y: g/ e6 X* \
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
( {% c4 R6 G( Nset trade-record-current lput(timer) trade-record-current
* F- Z# m2 X) d5 ^7 w;;评价时间7 o' A! c5 L! f) z; @% r# Y
ask myself [
5 {/ x' \8 A. Mupdate-local-reputation
! w. v& d% X, c7 E/ a- s- mset trade-record-current lput([local-reputation] of myself) trade-record-current, W* I* }3 _: x1 f4 T3 E4 v( P9 h
]
9 x: n* X7 l: d3 g" X5 p' z1 _set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
) g! o0 i3 g& C$ X;;将此次交易的记录加入到trade-record-one中
- N6 V! { [7 R" H1 f" M* ~set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
. f4 M) B5 r+ H4 t, k6 mlet note (item 2 trade-record-current )
9 F p! l ~; k, m! F7 e% |set trade-record-current: c) b0 G1 N; s) f5 \' L7 V
(replace-item 2 trade-record-current (item 3 trade-record-current))" S e7 S# {) N" D% k7 V- U
set trade-record-current# o, X( j; Z$ V* u& A) _- I
(replace-item 3 trade-record-current note)4 B) j3 W. w2 M* W& n" C6 n, {
1 n$ T- q% |0 a6 n7 w+ }. ` Z! _
) c9 G( r3 g1 `7 x% m$ u1 g
ask customer [% i) ?2 a+ w' m+ Z1 S- o( X
update-local-reputation7 S q$ u0 k! [' D' e, o3 [$ v- A
set trade-record-current5 {3 @/ ~, S" I3 F
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) " Q, H% t. |6 }' c2 @1 o3 c3 |2 N1 e, E
]
& D& J; n" @3 s+ t- Q+ \
: y% ]. t/ U# t. I6 u! k2 x `: c/ n9 U: m, g6 L! l5 O: d5 H
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
, W/ U+ G& ]+ [9 @: R) D' t3 h6 c4 `5 y3 W# j
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
3 h5 Q! K4 F& F$ p4 D* `( o;;将此次交易的记录加入到customer的trade-record-all中
) D. d) s$ M3 Z& v0 n9 `6 M- S$ Eend. o) b; j* j# Y; ~, b" \/ X: C9 Z* Y
. }$ J u8 g6 O- o% y$ wto update-local-reputation
; c+ m8 [0 O9 r3 h& _, @% Lset [trade-record-one-len] of myself length [trade-record-one] of myself) K4 l7 P' A# n+ k
/ U! ?6 A3 @4 w. m( q0 m( O7 Z: }9 H0 r( I/ ]$ E- O
;;if [trade-record-one-len] of myself > 3
* Y Y5 |2 E* }0 h _update-neighbor-total
' _& z! c$ D( s5 Z/ D3 c;;更新邻居节点的数目,在此进行 C6 u% V# w6 }! S5 L2 j
let i 3
4 o" v+ R$ v# I3 P! k& Z$ }let sum-time 0& k6 m' G. K% w/ P# P
while[i < [trade-record-one-len] of myself]
/ Y. T- S$ |! W4 `6 L# W" N j- I3 v( F[, O& j, H" T+ v5 j/ P/ [
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ): E7 S: f) R. s; v! Y
set i" @7 l7 P: O% ?/ T' o3 j( y3 G
( i + 1)6 m: J" e, a/ L% z& Q8 v
]' ~% ^3 A6 c/ t5 ?7 m
let j 3( d" N) t- W4 w' B2 x0 f
let sum-money 0
$ g( f H+ X8 c! k: N0 d( Kwhile[j < [trade-record-one-len] of myself], C. R8 H# ^; G: w# z
[& k4 ^$ L2 z% L" y
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)
$ R# Z+ Z! m% ]set j! V4 K* U7 A7 u0 t
( j + 1); Q$ r4 W7 n' j) w
]+ W9 I& X+ s: |! N& a; P( u
let k 38 U1 U$ s% @' A. ]/ M& j
let power 0+ z* I0 A5 t9 P6 U
let local 0
$ |6 c) w) H" U& i+ ]2 Q7 qwhile [k <[trade-record-one-len] of myself]( _# E9 f; f# |3 Z' m4 Q3 x9 g
[8 o/ z; U9 t f3 s: K; t+ U) x8 ^
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) 1 K( F- p/ v( o' B
set k (k + 1)1 N( J/ K5 [9 n B
]
2 C5 v5 Y; b" E* a: `( J A* j. Pset [local-reputation] of myself (local)
1 [6 C; Q( o2 z8 ]+ O3 Pend
, R) E9 j4 _) z* _
' X( j& F' v' I8 o, yto update-neighbor-total
) n/ M; }$ h6 ~. p, e/ ^' n. t, o3 S+ i4 s* V% N- Y
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
1 X+ o) y5 x4 p ?
2 L- b e: z7 W/ F% ^
4 o. w+ G* y Nend" d3 D3 Z" w7 Y3 M. G) o3 C
2 s6 `: D; Y# i2 C0 ]& I* O* C0 o5 wto update-credibility-ijl 5 I9 F+ B0 i! R3 n- l
4 u. V7 W8 x$ o, H- t8 |1 M5 s: V7 `;;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。, a& U% z3 {& Z, a; ^
let l 06 O- y6 o- d o; i8 e
while[ l < people ]" A6 g, Z, M- M: 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
$ ~. x8 ~, N. Z9 z[
( `0 b5 N$ c2 t: h! @let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
' ^2 u, K; ?% D. v+ }if (trade-record-one-j-l-len > 3)
* Q! q3 D0 l( q, m[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
6 P8 M ]0 }. }; Xlet i 3$ F8 W. t1 p& H8 M
let sum-time 0
6 V' X( v: Q8 P" K- xwhile[i < trade-record-one-len]
; d# Y( ]& O9 m7 I* i6 K[
4 R/ f% H" \) X2 H- i$ `+ K. qset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
0 R8 ?9 }* y' \, i/ q3 iset i; I4 G, B- P8 a# |
( i + 1)
8 c- E$ u% g* R+ w]6 }6 v9 |! H9 H$ `/ o6 I/ S
let credibility-i-j-l 0
6 p' {0 ~$ J; d; s) [' T;;i评价(j对jl的评价)
- k4 w. ~& k9 K: @let j 3
: L9 X6 u: m! p4 K) _let k 4
0 G$ Z; E4 ^" j/ ` Dwhile[j < trade-record-one-len]2 l; g$ S0 N6 ^9 e' K
[) ]& m- a @1 `: c1 f0 C T
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
& m- Q# J/ r* f; z$ e( S! x1 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)
: B1 ]; m( ~8 o% o, f& T9 mset j
+ _; K' [) v1 x6 w2 J( O( a1 B; ]7 U( j + 1)) H2 z" w, M& K! Q& ~; l4 f/ O! j
]
& Z* h; F! z% j& Kset [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 ))5 i- B3 t( ~3 X0 Q" ], U
( {" E8 {6 J. N. m/ D" f7 X2 c
. _5 s1 j' X6 t# X& U: Rlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))# u/ ^3 c6 i3 l7 n4 Z6 u8 x2 D
;;及时更新i对l的评价质量的评价% t9 q( h# a6 u5 ~* L* r
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]- X/ h( L, T9 ^$ m( _8 n
set l (l + 1)
3 A% T* m- G/ W1 I* I3 u]
, z$ K5 W7 r9 t' ]* m5 }0 Y+ uend
9 c7 d3 G( k+ Q8 X) ~; T/ }6 l/ m3 k% P; a7 z8 |" A
to update-credibility-list- ]8 ~+ D/ \# Y
let i 02 C2 {& \6 R( {# r! B+ O
while[i < people]. \: n. | b& P! h: E; n* i) K
[. c* ?8 h( q) {: A" K9 z
let j 0
4 o+ l" h1 Z0 c; Qlet note 0; l2 V* D. E6 x7 O
let k 0# q- m. [3 o4 h4 c2 c9 R/ u* V
;;计作出过评价的邻居节点的数目0 W0 ?* `2 [/ Q* s8 j7 c
while[j < people]6 A2 Z) |$ N2 |, P$ c) O; y* v6 E
[4 ~* a2 h" N: X
if (item j( [credibility] of turtle (i + 1)) != -1)1 V$ r G2 h3 V5 P9 V/ ]
;;判断是否给本turtle的评价质量做出过评价的节点3 b: a- M" X. G
[set note (note + item j ([credibility]of turtle (i + 1)))
7 ~9 L' O. {0 y4 ]* c;;*(exp (-(people - 2)))/(people - 2))]
0 ]. ~' h* `7 b9 @' @set k (k + 1)' \0 |1 g+ w5 X, |; D
]
6 E5 x8 z; n% m m) F7 ]: fset j (j + 1)! Y! D: O$ M. s. Z
]
' @2 z9 F- }" Q7 \ ?( @, r% kset note (note *(exp (- (1 / k)))/ k)/ A& s# }" I/ v" }! V( \6 K
set credibility-list (replace-item i credibility-list note)) X: B! N& x) h" @, @
set i (i + 1)& _/ w! [/ Y) Y- ^7 g
]) ^5 i+ [; t7 n
end' d- o- ^0 ~$ F8 ?& r( Z4 @/ {* M
v$ ]9 @! J$ t8 y! _to update-global-reputation-list0 `2 A( a/ c- N. I* R, E
let j 0
8 e/ _0 o3 @) o, c$ \while[j < people]
) i! `& ^; b& L0 {1 C9 u% F, a[
1 P) w: }* i6 p( xlet new 0
$ x4 f$ c `) o, u% K;;暂存新的一个全局声誉) J7 _7 w. Y& ^1 R( l6 w+ y
let i 00 ~3 _9 y6 x% I+ R
let sum-money 0
" O5 d& P) w( S4 M& Ilet credibility-money 06 X$ |% u! M6 @3 c5 `; [' o8 J
while [i < people]3 D& C( {1 q/ {) \9 V8 `
[
4 Y$ Z( d [8 ^+ ~6 r8 B3 C( Hset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
% C3 K4 F) N; G0 o! uset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
E8 V; G1 V0 A$ O" r# t6 {set i (i + 1)& F# f {& q: ~) c/ A
]6 Q4 ~' K4 q0 F# r
let k 0
g, w& f8 s& ^7 {let new1 0
! W$ C5 f* M% J$ b* Twhile [k < people]( \ [8 c$ C! f/ v
[
O+ G, M3 q" d Rset 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)0 t9 f: _' |! J- R- [
set k (k + 1): H. g$ Z* d7 ?
]
. ?0 \( S: V. _$ c6 L! Aset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 9 H: S. l8 y% C6 {8 X/ r+ V' ]
set global-reputation-list (replace-item j global-reputation-list new)
- q' `( L' {: b( H: Mset j (j + 1)
6 G7 o8 N& l$ u/ t]
/ l2 A" l) L4 G0 |* l1 ]end0 g4 r& m3 t- e* R$ E5 w
( O+ b% W+ E% M K
+ P: u/ E% F6 h \
6 v) Q/ x/ T0 a7 _! C( J7 _* W
to get-color
! s3 x0 K8 @4 B: D+ H6 _) p2 U1 o7 W9 z" ` g& }% v
set color blue5 Z8 n/ ~ e: a; Q; t& {
end
I5 h; x1 E ?4 D0 Z3 H$ Y7 K- G5 |
to poll-class" g l! k k, \
end4 K! i5 n3 K" W, z
. L h$ t# e1 H' d6 c! ?to setup-plot1' y* n7 B4 t8 x7 o4 S& ?! ?, Z* h
/ k; X2 B; `% h2 R0 z8 Pset-current-plot "Trends-of-Local-reputation"+ S, y7 l+ D4 H3 M$ p
/ ]1 k) A# p G, S5 [7 I5 W
set-plot-x-range 0 xmax4 n" {4 ^9 F3 y* P
" p( j2 h/ \1 j* ~: u# F8 \+ o! T# @* Uset-plot-y-range 0.0 ymax
+ y! _ X# v, Rend. h% H% `$ P) u' ?5 y, D
' O- t6 s' q7 t* [$ i8 Ito setup-plot2
+ t. _! ~* E# M: G# i' q9 h. E( ~& v- v) T8 f, j, F6 D
set-current-plot "Trends-of-global-reputation"
: ?- r" n" J% s7 c" W2 @+ B0 X2 u4 O3 h
set-plot-x-range 0 xmax# i, P. `" V1 K! S
# K0 u3 P, k2 r" e
set-plot-y-range 0.0 ymax
) u3 {. X3 U6 ^4 J" |& Uend. u" n2 V8 I' W4 r4 D
4 m: D& z) _2 Oto setup-plot3. a' B, Y$ a; Q5 }8 d0 u
1 s1 \2 t9 \+ ` l6 w& Z w
set-current-plot "Trends-of-credibility", X( ^! z, D4 x" w9 v# h, v
4 R- Q* @. l/ w! y% n
set-plot-x-range 0 xmax9 _ ~6 p8 a% I" t$ _, \* C
# Z) V9 x y2 \0 s! _set-plot-y-range 0.0 ymax
! D' l4 I& q% p2 \$ ^. w$ Nend9 q3 w9 h8 W9 L9 e8 a
4 O, h& w3 X7 F4 U; b `to do-plots1 n' X+ e( B& C$ ?3 H
set-current-plot "Trends-of-Local-reputation"; f# ?! V6 i( R# k: N
set-current-plot-pen "Honest service"
# w; E+ S0 F' f9 T1 `: D" m/ s) a* S, gend
+ {' w8 l* T2 \/ F1 [ n6 _& q# }2 s% C0 {+ c. v1 L: `$ s
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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