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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
2 R2 a* s' t& o4 _, hglobals[' ]+ P+ ?7 m! `% [
xmax+ D+ v. [: |* Z4 O% v; O
ymax4 G7 `& x7 X. C; q
global-reputation-list
3 e* v2 p$ f$ E" G5 x, w8 [" c* L' o t3 q& j! z. {, c Z
;;每一个turtle的全局声誉都存在此LIST中' B9 N9 J0 H- k+ O9 r" N, H
credibility-list
0 J' G. q. ?) m) `;;每一个turtle的评价可信度; w& `: v8 T5 H; @6 p1 e
honest-service& R6 X2 u7 [% n/ j2 W+ U( S# U) W% ^
unhonest-service6 V( E' S$ t$ D$ f* L! k+ J
oscillation, v& x# ~6 @1 D$ [) s) t! n
rand-dynamic
% P. i; n* O3 |; P7 y' n* Z# W1 }]
0 T. g: ?* Q& Q& H' d. x4 ]* e* t6 D
$ ]" |/ T4 d" y. c5 m" xturtles-own[
# Y5 V; g0 e: s( f9 ztrade-record-all$ o% v( p, s! g" F8 K
;;a list of lists,由trade-record-one组成
" t' R0 P$ A) b6 D8 c* X. X$ c" wtrade-record-one, t0 `8 \' E2 c3 y" @& R# x: 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* \5 {# w6 R, F) t. ]' J
# z% W; {& x8 D x0 Q& J7 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]]- L& j @, _2 Z* m3 G' Y
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]
9 I9 k w$ r$ U/ }8 B* 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list8 ^0 V' I/ p6 f$ S* Y, w: t# ^. T
neighbor-total6 `6 d" A- u- w1 [
;;记录该turtle的邻居节点的数目- d" N" L% O Z C1 O G
trade-time
) O' y. d6 E9 X# r& Y2 h9 a;;当前发生交易的turtle的交易时间
* b4 b: B7 {" |, S. w/ fappraise-give) l& O, g- u$ F
;;当前发生交易时给出的评价% ^* m- k; ]5 S Q
appraise-receive
# k" V# x2 z# I5 A) ?% L1 W0 j;;当前发生交易时收到的评价
% B9 I/ H' I: E! D, O5 ~) @appraise-time
! b; F0 S7 W% u$ };;当前发生交易时的评价时间
* g5 y' K- y, Wlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉2 k; e/ X/ `! H( H) H
trade-times-total E& m n# j, c$ s: L7 T6 y
;;与当前turtle的交易总次数! w; M1 F4 }9 [" E- O
trade-money-total! [" z$ C% ^' |7 u
;;与当前turtle的交易总金额0 _7 j2 ^7 v' L: M% _# O
local-reputation$ M! S2 }) b' Y
global-reputation( G* r9 Z$ p1 B e$ o! H. R8 l
credibility2 @" } {, g! k5 O
;;评价可信度,每次交易后都需要更新
4 |) Y$ R- L' b% [credibility-all
4 ` r0 `% W% A4 P$ ] J;;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
4 w' s5 d" x$ V, X$ n* C8 _
/ i, B3 M/ P0 K0 l' ^; f5 t# H;;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
~- J2 d, O' Z/ Y9 rcredibility-one
. a5 l. [. X8 ]' U! g, Q! d, 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0 i( }& P( M* `" A' I* k$ W8 o
global-proportion
6 @0 h! T, t, b. K( b0 ?customer
4 C2 L' w7 [" r! ^customer-no6 J+ b; x C% c6 q7 w7 S* ^! |
trust-ok
! B: e6 z3 Z. ftrade-record-one-len;;trade-record-one的长度
3 T' q8 t$ |: ?) R* u2 N1 g# j! @, D]
9 t4 |, |( W. n4 \+ {5 O/ l- v# N
;;setup procedure, f2 v6 x& A! I2 B+ E4 C& e: p5 U
+ {7 m" K, {+ q2 @( R
to setup0 l& H, J- M4 R8 O9 l
, ^/ y# F+ O) O1 `# k% S5 r4 T: U
ca: D% q, N$ G; N, M+ I F
4 @. T5 k4 S9 N$ x$ @
initialize-settings
0 W4 K) ^. w7 J& R3 u: ]% s
7 d& }6 V5 `( n+ A& kcrt people [setup-turtles]" v/ e* i& z: d) Q0 G' L6 B( K
9 a6 _3 q; K9 }$ }
reset-timer
8 L q6 p b4 S" H& H8 {
4 Y) X2 V+ \4 A# x7 b) T- npoll-class
~) v x+ R4 F
, t7 @2 x" _# ?3 |. K" Esetup-plots [ g0 Q$ k z% [5 |" `. x& j: q
$ L G7 N3 [2 P7 f
do-plots. [5 D0 H$ O+ z6 `
end/ P% `" ]' P; D9 R7 b2 @
! K% ]* Q$ a2 g+ ato initialize-settings
! A5 v2 }% ?: s+ H0 A+ H& }, J2 ]: h5 X/ I% r- _
set global-reputation-list []
5 H2 [" f0 @5 n6 `
. C. Q" U* Q' b* U; {3 cset credibility-list n-values people [0.5]4 v! G. e; A5 k3 X% D6 _
3 S6 _7 T7 y. [8 L5 X5 Q
set honest-service 0
4 P; z' H' _4 J
* S) {" a- t" Jset unhonest-service 0. H m( m9 ?8 @ D) o4 M
/ ^7 q2 A7 [6 y- j2 q3 Tset oscillation 09 E1 E! U) F! q: a/ O
" d6 g1 } q6 B5 m: Y: Y6 jset rand-dynamic 0
% w5 l7 j4 B2 Z: Eend
, D8 b. C0 v2 o2 K0 w% f
) N- G- k# G, B- N0 X; m0 ^to setup-turtles 6 K$ R- y$ N7 r
set shape "person"* w8 l$ t1 b" d5 i5 B" a
setxy random-xcor random-ycor
6 E0 ]: S, K7 H7 }2 @+ pset trade-record-one []: @5 [: q1 B! q9 h. t8 a
2 G) d: F& A8 B7 f& X2 S2 F: ]set trade-record-all n-values people [(list (? + 1) 0 0)] ' d/ y: @) D/ z& S- G9 A
% X3 Z1 L! @0 zset trade-record-current []- n& b* P) e, ]
set credibility-receive []
# ^" |) e8 A: J/ h/ ~ s' l$ ~1 w( @set local-reputation 0.5
- J( m0 Z7 v8 w4 {3 `' h; \! m4 Cset neighbor-total 0
8 a. r: f- E: O+ Z4 tset trade-times-total 0
7 y, H' R7 ]8 A# j |7 sset trade-money-total 0
. o6 {7 s! g _* P+ U6 Oset customer nobody
+ b8 u' U7 h1 t/ u }; _0 hset credibility-all n-values people [creat-credibility]
8 j0 B3 ?1 `- }3 }6 r( R% E3 M- yset credibility n-values people [-1]
9 N; ] @0 M4 Z2 z6 x" w Qget-color
9 Q. M) q9 X9 y' ]& ~, Q& b1 [
- u6 m$ n7 @) q/ @8 a3 Q. z( yend' q) B9 w: C6 G* G, K
% `. y4 P5 O" Q3 a0 ]$ q! f
to-report creat-credibility' w% L% G3 V+ c4 K6 Y1 q
report n-values people [0.5]$ I7 U2 M& g4 x3 o! l y+ o
end
; ]; D. x/ U2 {* B d3 s" w5 Q) Q; {3 M, C/ V- W# Q6 s9 L( m
to setup-plots" m6 V2 k# c$ Y' S5 \: d$ S7 Y- U
* w' M4 E0 }4 @$ b0 _; dset xmax 30
% ^' c% y& F9 K6 |0 {$ \1 u
. P2 a0 _. R( X" m l i- a3 ?( gset ymax 1.02 E; X5 F* h/ K4 g! u# {
( ]) s1 H% ~, V4 ~6 `# L
clear-all-plots
c2 K" O" d) b" p# w: E ?; X( s% D) P4 e1 ^8 ]
setup-plot1; P* |; E+ _4 O# _, E
; \$ G( z" f/ ^setup-plot2
9 s5 K3 r) D2 e- E# U, x5 ?3 P( a
- O" ]7 o* Z, M7 h# \setup-plot3# s, `, N2 V; \$ H" B2 ]0 j
end/ g& h; X" D, k& c
( Y: b9 R/ M5 ]+ h0 p B7 F" r! V
;;run time procedures
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to go8 U% c* V$ k" L, k" z5 i# W+ ~8 Y
, q' I% _/ ?5 r7 X) Q. ^7 y
ask turtles [do-business]7 A4 X9 a3 q- L. Q2 B% t
end
# @7 k7 F, J7 F, L& |" ]3 ?" h1 g" g, i2 N; B
to do-business # e4 |$ _7 c% E D/ q8 p4 J
7 b/ H! z+ `2 J9 v1 K3 B
' f/ s6 X9 T& K! F* c
rt random 360% e( {' q$ A: h# i5 _, y' i
3 c* ^0 S5 f9 x, j( u% k
fd 1( g( D4 I8 e- U2 l* S( x9 z
; n7 D# G" z' c- |- z% k* D5 W: fifelse(other turtles-here != nobody)[7 [8 W( b* F4 i E: e9 Y- K
D4 o- ?* m/ R* w' r& f# ~
set customer one-of other turtles-here' G1 S$ l/ G, l' D) G2 C' |8 }
{9 G2 d; ]; M4 x O* ^# b; \;; set [customer] of customer myself7 R0 V, ?1 I: \
3 c7 H7 J4 A) V1 ^; Z
set [trade-record-one] of self item (([who] of customer) - 1)
2 V1 ?3 O5 @, W: f! B[trade-record-all]of self
) L. e! G9 F g, J;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
4 H3 `! A# v0 ~ z+ z- |; W3 i& b' v4 S- U* [ ^
set [trade-record-one] of customer item (([who] of self) - 1)) q7 x8 L+ F5 ?+ E, R* H' M' y* l
[trade-record-all]of customer) P4 k5 o. e7 Q& N0 F0 C: K* ?
$ C2 u4 H# e4 e3 ?
set [trade-record-one-len] of self length [trade-record-one] of self
^3 N; b$ @% Z5 |' e0 L& r, \# p' m+ J& n2 D
set trade-record-current( list (timer) (random money-upper-limit))
: U Y. K: `) ?( X( J- t- ]/ ^+ v& D* A
ask self [do-trust]4 d6 O" @! p: Y: w8 y8 D/ J
;;先求i对j的信任度/ d5 O' ]( ]1 B3 i2 R
- S: E- S8 C0 }$ l
if ([trust-ok] of self)- T" I1 q- A6 b! Y- p; `
;;根据i对j的信任度来决定是否与j进行交易[3 O5 ]% T- \! b/ q4 u- F
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
8 e$ V* V- @8 `# J7 \% b8 N- V+ w1 c6 \* |3 @5 g9 g. ^
[. o5 z8 b8 U. w" K% s0 _5 P
3 {6 y3 }: e8 ]" u, M' i$ K6 Mdo-trade- z! m& A. E) ]. a. `/ a
* _. v6 j7 T: l' U, @# L t4 @' N% vupdate-credibility-ijl0 S: T4 J7 x5 [
9 q( N, t$ p2 ?; |: {' u* dupdate-credibility-list- e# v& y4 }& @
- O3 x0 C6 r" l9 [& a! v
+ I) r' b+ [% B$ oupdate-global-reputation-list
: X- v: V+ g4 n! a; |( X1 {$ y, _9 D" h7 H
poll-class( b* o* R% f" A5 e
$ `( U4 N9 J% @6 k" d1 w
get-color
3 I4 w1 n) ~* {
: N) H0 i5 ?$ X- [8 H p6 p]]
) W8 a2 a' u# q1 R7 N2 |* v- m* ]0 e, u/ A0 Y6 Z! R
;;如果所得的信任度满足条件,则进行交易
8 A5 o$ ?3 ]4 W( g0 k4 D2 i$ \1 g1 J4 q
[
7 r# @, f$ w3 C4 \: }' L0 \1 H) x
rt random 3601 W8 D3 y: M8 Q. F% h( k
: |% Y/ }! l# m) Yfd 1, Q2 G/ j% \. @% J9 j. y- m
, d0 i' `& v* |. l
]/ K* V! m f6 x, H4 O
8 T& u- L5 W: c/ Q- a. _! M
end
/ I/ E, U) p( ^" |& t3 C" N9 }6 g+ F/ ?5 n
to do-trust - x! ^" V3 q' J
set trust-ok False
7 |5 \5 p1 c# g) q: p& v% L/ K% N
0 Y3 @5 t8 u- n3 O, I- A) T. v, Z3 D$ m8 z3 i" N: ~: f: V" }
let max-trade-times 02 ^, r/ ]5 ?4 b0 i, \1 t. V
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
# B0 J `. s' L& i; M9 O6 Llet max-trade-money 05 S# t: F3 Y% G& d, W
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
( a2 V8 V+ z/ g) G8 ylet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
, X2 q' B0 F" S- e& v0 M" {- @6 r. W* s
3 i ^( t4 d4 n) y
get-global-proportion
G2 H7 g% D& w4 g0 I6 b4 zlet trust-value- `, D7 {/ k! U! G6 e) s* d
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)
* q: C! {" H$ e1 |2 G# s N# H1 Cif(trust-value > trade-trust-value)
6 i5 I* N" W( [+ g% |2 y7 }6 Q[set trust-ok true]
9 s' c1 b ^* }5 q( I; L- yend
+ Z7 ^6 x: U4 j# k% x+ g
5 t* |' n9 t! o% U; U3 r3 Fto get-global-proportion7 _; L& P# M+ `+ U- p
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)" A/ i% G* k" a% j1 Y/ x! r
[set global-proportion 0]% u* \: V% M* {2 ~5 T
[let i 0+ x2 z( w# }) G2 f+ y
let sum-money 0
3 u- \4 I' J4 n o% D& K+ F* w& Z2 nwhile[ i < people]% E) U% _0 O7 ^3 w, N+ J5 \
[
! u: E: m! F. T8 Pif( length (item i% @: @8 ~: ~5 {
[trade-record-all] of customer) > 3 )
2 S+ T- e/ g5 L3 a1 G/ m; g( G, a5 P[
# V! r4 \' V8 N- Z) B6 k) ]- Pset sum-money (sum-money + item 2(item i [trade-record-all] of myself))/ k& b0 I8 t0 N& K% Z- c4 b
]
5 E$ M$ {/ e3 O. q/ E7 |: O]; O( U m# r; H
let j 0* l; N4 l# k& j
let note 0
8 f; u' l* g5 v) twhile[ j < people]
) {7 }0 W5 o; X0 _0 c& P5 J" t; ~[3 A5 N' j6 y0 t4 I3 ~/ U2 R3 n
if( length (item i* @6 S# ?/ a7 I0 s
[trade-record-all] of customer) > 3 )
; e/ A+ r0 [1 D' m& \9 e5 [' `[
4 v( o; S0 q7 I# w/ i C, Qifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)5 X+ N) a6 k. M7 ]. o; D4 Y2 X
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
+ P- }) \, H5 D* \6 W; j" H2 n[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]3 Z5 `% i/ S/ \+ ~" Z" G- ~! R
]
/ {! T0 t$ _) O- _]
( M$ A; \" S7 h$ H5 Aset global-proportion note7 l6 G% {& U8 P! ]: Q
]
. q7 Z0 ?1 Y7 ~% J; G( V8 E& cend
3 {- _1 D/ E1 m
, Z1 [ |. z1 Xto do-trade5 C! @: ` r* V( Z9 b
;;这个过程实际上是给双方作出评价的过程
1 ? @9 ]: x7 s% A1 a8 yset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
% |( D0 D8 X$ f; kset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价. }& o6 A+ o3 K. U8 M
set trade-record-current lput(timer) trade-record-current6 v+ |. f# U& k( j5 n
;;评价时间
: V& W: {" x% g2 Z: q' ?5 h; vask myself [
5 F+ V* C G( ~5 o3 ]update-local-reputation: J6 P( a, n) y/ X
set trade-record-current lput([local-reputation] of myself) trade-record-current
( b) }; c% r7 A]
! ~# y7 {& |& @ T k0 }: S8 Q+ w+ [# Tset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
8 K" Z' E/ I& j2 T' n4 m;;将此次交易的记录加入到trade-record-one中
! E& ]1 u: e* x: xset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
/ g/ t- U* V/ ~& x4 _8 k/ Jlet note (item 2 trade-record-current )
+ k! F+ W8 d! C; n: _6 J% Rset trade-record-current, o# m- {# C, v* Z/ `# J- f2 k3 Q5 J
(replace-item 2 trade-record-current (item 3 trade-record-current))
0 X D- n9 ~9 }2 p! j. B/ dset trade-record-current
# V/ U9 F2 K/ v! F) Y3 o4 q(replace-item 3 trade-record-current note)6 e/ _+ {* S- e0 ^1 Y
' O# v" v g6 ~& y$ M" u& A: M9 @. K5 b* S" k
ask customer [
$ r8 R+ M7 V1 _' M! c& t5 ^update-local-reputation
5 q* Z) t3 u/ y$ U5 b$ V6 Bset trade-record-current
: D8 ?1 ~2 f$ H(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
0 o+ C. m6 K4 ~( o1 k]8 D: y V3 \% J; |5 a7 A( `
- x, F2 s) a7 ^; j# H0 i" k
/ T6 @0 s: h* i$ D/ O0 J7 rset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
. ]- I3 x0 c3 N/ s0 U( g
# X, f9 u% M$ A x& z" oset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))5 b% y& f4 m* T9 s
;;将此次交易的记录加入到customer的trade-record-all中
" l" c2 z0 T" p0 W0 M! Wend
# q0 z8 t5 Z! g& U6 L& R5 g k( B6 \( r+ e" \
to update-local-reputation
1 H8 k! p% A& G$ [2 Rset [trade-record-one-len] of myself length [trade-record-one] of myself
( l g, q! w0 t H! o) m) V X7 v" S$ [# W: H
" O2 {2 l! q" R% N" w
;;if [trade-record-one-len] of myself > 3
?. b# o; W7 i& w: {update-neighbor-total( V o8 r$ |3 s, I; F O
;;更新邻居节点的数目,在此进行+ S3 t" L% V' o" @$ e+ f
let i 3
5 h& c$ J$ \( _! s8 J9 Xlet sum-time 0" N& ]; o. s2 |# y1 S F
while[i < [trade-record-one-len] of myself]# `7 Q$ i4 O7 L. q; Z! l/ l; F% w
[
( C8 X: [: K, @2 l4 g8 Q1 zset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )6 i' v1 V6 m- Q( R' l& Q( V
set i
+ U% m! D' g$ u7 d5 X( i + 1) |7 J/ L# s5 w0 H; C# ]
]
& z. D3 T+ F0 @# qlet j 3
/ ^* w n, G6 o* I% M8 U& Y9 Klet sum-money 0
/ E1 i: Y2 W1 ~% l% r3 w* owhile[j < [trade-record-one-len] of myself]
9 [# N; `3 W: y- z1 r[& z, B8 Y5 g0 k6 Q) \, V6 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)
) M, R. ~! A: n* _& Pset j
) x; H5 F( X4 I& f9 I( j + 1)
& @' z- |. T1 e" P5 y' ^]7 U# u5 ?- c) v1 U6 ]7 c
let k 3
: B, e2 E1 h6 K: T0 Mlet power 07 ?8 N) @. Z+ Y5 s. c
let local 0
, k# @) F' E# `( `' J: V( k ywhile [k <[trade-record-one-len] of myself]; P ^- y) a2 j3 ~' u7 v+ Z; R
[. H: F$ Y2 M9 ]' w+ ^! j7 e; h
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)
: Z% K( k) y9 dset k (k + 1)
7 M5 w3 H3 Q- y1 _ ^% A, b]$ N2 n3 p3 {* \, r0 w a
set [local-reputation] of myself (local)/ n3 g& }5 |9 a3 m0 Y
end; V* D* c' w& P3 D6 ]" J
6 i6 E/ ]# a6 [& [1 p+ b5 _' n6 Eto update-neighbor-total, z$ M) @$ W- ]) A% j
( l; z, @5 {4 M T+ E
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]; z; h& m2 x$ ?+ g
1 r! C- h. I* N1 u) r
, _: W, ^7 i5 p4 Lend8 v! F6 L2 @" @0 U
& k q% J1 c% @# w e! S7 @2 ito update-credibility-ijl
1 @, l- S9 X! f: ~: R9 n; B
. x3 N, d/ | O* m;;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。+ Q9 ]4 v" Z$ e& Q& y# S8 d
let l 0/ j8 _( g, h" F7 ?
while[ l < people ]5 V3 |- ~2 W. l3 v# |
;;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8 X; w0 E0 s+ V! {
[
8 V) J6 Z$ H+ Klet trade-record-one-j-l-len length item l ([trade-record-all] of customer)( n" z& U0 B# d, R* U6 R
if (trade-record-one-j-l-len > 3)' X# w9 ~5 {+ u
[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
" N* p3 P- @7 }* m6 hlet i 3
3 ?" ? o( T) W3 D5 N! B+ }' ~let sum-time 0) }9 Y3 D8 R1 T) @! A, U% r/ `4 v$ W4 A
while[i < trade-record-one-len]
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% p/ `4 z& O( q8 {& ]set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
7 C: \2 W: T) B0 L' x$ Q5 d$ Nset i: u4 O4 C3 M, M& r2 P% R
( i + 1)
7 Q% M* _2 B* o# L+ }* s]
4 {% F, v( @: _* h8 [let credibility-i-j-l 0, h2 @& I& [$ u2 J$ E
;;i评价(j对jl的评价)
) J( G1 W& }0 r* \( E% alet j 3 u H7 o8 S/ i4 U( N$ c, s
let k 4
! c5 E& ~' L& o3 s& ~$ awhile[j < trade-record-one-len]
$ b' [. o3 h$ _9 Y% x( S) @8 H[, V3 C1 \8 \6 ], O7 `5 j/ S
while [((item 4(item j [trade-record-one] of myself)) - item 4(item k trade-record-one-j-l)) > 0][set k (k + 1)];;首先要寻找在i第k次给l评价的这一时刻,l相对于j的局部声誉0 Y5 f4 ~5 B [
set credibility-i-j-l ( credibility-i-j-l + (item 4(item j [trade-record-one] of myself)) * (1 - abs ((item 3(item j [trade-record-one] of myself)) - item 5 (item k trade-record-one-j-l) ) )/ sum-time)
% x( x7 g) K6 S, Y/ x% i* Qset j
5 W, ^/ e7 w; I& k( j + 1)& G% ?4 h4 R+ `& H# {
]7 N$ X7 k9 z7 ?/ k
set [credibility-all] of turtle l (replace-item ([who] of myself - 1)([credibility-all] of turtle l)(replace-item ([who] of customer - 1) (item ([who] of myself - 1) [credibility-all] of turtle l) credibility-i-j-l ))2 h5 G4 M u" b" \
d% L, }+ `& p9 @; B( T9 C) d6 B$ _0 @# n% g4 ?; B3 A
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))) [3 t' ` W; G9 v; Z9 _. Y
;;及时更新i对l的评价质量的评价
; o/ A, I% Q% E- p& Pset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
2 D8 k! r. l5 ^. o! `# B/ h& a8 aset l (l + 1)% i# i( v! v9 j* l: C S
]- B0 w0 p: d- ?" T% D
end3 Q) J$ Q( y9 m8 @+ Y, Q
% U8 u: b& x: @
to update-credibility-list
, w% L: K, x7 i2 f6 alet i 0
' P( Y5 W6 K: `while[i < people]6 K% H: `# @7 f1 F) o h
[
" @- H$ G& A( p# }let j 0! L4 Y9 c( Q+ {; y1 U6 D
let note 0/ n1 B; L$ ?- }+ ^* C( E G* ^( K
let k 00 |6 j8 ^9 B" L7 T$ [. s
;;计作出过评价的邻居节点的数目
5 Y1 F' R3 r+ C& _while[j < people]
4 H+ s4 E# d/ F2 f[
2 `4 Q% Q% f! nif (item j( [credibility] of turtle (i + 1)) != -1)
9 v' c: ^2 F+ r: B! z;;判断是否给本turtle的评价质量做出过评价的节点
& r# H4 D* u$ ?) W9 K[set note (note + item j ([credibility]of turtle (i + 1)))
; n* }2 \) L; Q;;*(exp (-(people - 2)))/(people - 2))]* z1 N4 Q1 B+ ]( C8 d
set k (k + 1)2 O: T6 m: S# X( @; K+ _0 X1 Z; ^
]7 d$ K% Q0 x, C3 Y9 _$ v
set j (j + 1)' L+ d0 z+ F8 g+ d1 S- U u1 }
]
. O, ]' X- ~: Z1 W& S6 Pset note (note *(exp (- (1 / k)))/ k)
* u j, F2 K" i6 Uset credibility-list (replace-item i credibility-list note)' [0 z$ r2 y6 x1 l9 y% I1 o
set i (i + 1): W/ R# m& c4 L$ e
]
# u1 z* w) N8 Dend; h. I1 ?# _ ?' j3 H2 L6 V
9 l1 f! A2 @! w% W0 X
to update-global-reputation-list1 T6 x( B* b* V2 F" C" x! L$ K% k
let j 0
p. _. P2 c% r) w# Q$ ?+ ?while[j < people]' s0 r# y% U& `0 v( h4 p/ o' o2 R
[
/ S }* j; ]' dlet new 0# g Z, s' [* {' B0 Z1 _. m$ A7 \
;;暂存新的一个全局声誉
* u' e; U0 K0 |let i 0
. \/ u3 P: U) Elet sum-money 0
2 i) A; D; @! \# Zlet credibility-money 09 T* A1 @: @4 U: m7 R$ V6 S1 c
while [i < people]4 M) _4 }6 r# O( ~: q. k
[
% a3 Z' } ~: T h5 b: Dset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))) D4 X) A2 `1 c0 Z8 m+ r
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))& @+ k6 J+ m4 g& N; S4 p" ^3 K
set i (i + 1) B% x, J6 U i3 [. a8 u/ `
]
5 l* Z' n& y6 P! o. b! Olet k 0" F e% C$ ]! |8 F7 k
let new1 0
. }9 I! u3 }' P+ R% twhile [k < people]
/ a, c, v3 `& ] P% ]2 Q2 ^+ K[' Q$ x4 w4 [' M3 S& v
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)
0 ^# p% J' a O! X6 {; f% eset k (k + 1)2 |8 z3 Z* b; z
]
* p% s" z0 o, t! _set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) / D5 `) z2 {) B9 Q1 _6 K) `. C" \
set global-reputation-list (replace-item j global-reputation-list new)
' r F* ^: T0 b. O8 Q; D$ d; Iset j (j + 1)0 a2 s$ a; t E) \# w
]# q6 }& ^& L& u; w8 U
end. E ?8 Y4 |9 k0 v5 h5 I
7 k2 n: X9 ^7 o8 v; H( i' M) a
% N0 q& ?3 G r6 O! o' p' Z1 `9 ]3 I, W) x2 D/ H. |0 {
to get-color
" k6 z# ]4 i7 e0 }+ H
- L4 u! {. ~1 J; n; Cset color blue
4 d* I/ k4 G! T5 Gend" @- y/ e& ?! ?( U& T# S
9 j2 L% u0 y1 w' vto poll-class
, v: K1 w) H" p3 }end# O4 {6 j9 ~9 ~ b7 {
& Y: k$ f: ?1 m' u* Z; Gto setup-plot1
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set-current-plot "Trends-of-Local-reputation"! H2 a4 T8 O& x7 O) d. X- s& t
" }2 C" Z7 u2 k. y9 R& L0 f" Kset-plot-x-range 0 xmax5 H \& v; S$ z/ q* ?9 R! Y9 R
* y( g/ x( I$ o- i0 A
set-plot-y-range 0.0 ymax
" I1 |- L) b0 Cend0 M; J; ~( b1 R0 s2 b* c
2 Q; C! v2 p8 n- h. n, u, [ fto setup-plot2
3 D; p" S- A% |5 g9 o I4 I$ R
: e! u; p' U }: v: S Kset-current-plot "Trends-of-global-reputation"4 X* G/ w1 a$ ]1 M0 l _
0 y% M: L; B a7 d: Pset-plot-x-range 0 xmax
; ~, j! a6 a" k( S
( D$ G! X( R: o* [1 k; lset-plot-y-range 0.0 ymax
8 F9 B. l2 \, k1 i+ L$ h3 D4 Vend9 K8 x& X, N* m1 ?
1 |$ ^8 t3 \0 `1 A- e& Ato setup-plot3- ^5 G9 H3 I2 t
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set-current-plot "Trends-of-credibility"- p0 @4 a3 U& a
/ c$ }# ]' k- V gset-plot-x-range 0 xmax
# s+ K2 H- I4 t: v0 a
1 Q/ }, P% f" Sset-plot-y-range 0.0 ymax
' w. g$ N7 u$ b5 g* zend# @; L' k' A6 p: K4 G* [# k2 b4 W
: X$ ^- Y, A1 x: e2 e8 Vto do-plots3 P) o1 W8 Y" f# ~
set-current-plot "Trends-of-Local-reputation"8 L* `0 }; a7 h* D
set-current-plot-pen "Honest service"1 \2 c8 S, P- z# l+ H
end
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0 a I( i" O% W$ E5 K2 z$ m5 P[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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