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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
* C- o& ?% ^2 Wglobals[
; n; d! i3 J4 @xmax0 C' A6 d& N. d1 U
ymax" s9 ]0 b8 C# S% ?, [# F
global-reputation-list) J) F7 f2 x0 Z/ i6 f( g
9 ~* C9 U9 G6 ~) K% j9 V5 P;;每一个turtle的全局声誉都存在此LIST中
! R& _' U% _$ i+ ~credibility-list7 N4 R1 f( B" q
;;每一个turtle的评价可信度6 a9 ]& {4 \9 }% G. I
honest-service
: R, E6 x* }" T1 A/ ]) ?& Z! Bunhonest-service
( j4 U% |) B" g3 ioscillation v% |# O% { k+ `3 T9 d0 n5 O4 u
rand-dynamic% [2 M5 s7 A, @. }: C: l
]4 S* ^: W F! M" `. R. Y
$ b* X; T D# A
turtles-own[, \* U) P- w/ H1 j9 A1 b! k
trade-record-all
5 |5 t3 U" \2 L1 y1 {7 k- U; {;;a list of lists,由trade-record-one组成* [% t$ j) v0 A3 r1 Y2 r6 O0 P
trade-record-one& J( F/ U4 t9 y- D5 Y* q+ v
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
: p& a$ t$ W3 t, C! d' ]4 b- ~
' D& u' r1 u% Z9 H: j4 |! P7 S* 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]]
# u% `& {; B/ f; Ztrade-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]3 P$ ]8 f* c M8 s" _2 u* y
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 l, O: Z: s4 w' D- l2 q/ n
neighbor-total
5 ]) T4 X5 B6 S( T3 I5 W& {; R! y7 ^;;记录该turtle的邻居节点的数目
( n- j8 O: ?6 K( Etrade-time h1 o3 J/ T6 J
;;当前发生交易的turtle的交易时间
7 a0 {0 k+ h+ o5 j$ @+ L9 Yappraise-give3 V( e8 `. p" z+ Q/ d
;;当前发生交易时给出的评价
, V1 G4 ?% q" o' [7 t6 bappraise-receive0 @( y) U1 Y/ i- b4 z+ ^: e# @
;;当前发生交易时收到的评价4 o4 R. @) Y k
appraise-time
. z9 ]: y% _: A, B( d;;当前发生交易时的评价时间
& p! c" Q* G$ Clocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
3 u2 w: {; N: M itrade-times-total
+ j& M/ G7 o0 a9 {8 N9 F0 R( Q5 };;与当前turtle的交易总次数/ g; W$ u5 U1 p: a- _
trade-money-total, Q5 U( N: z* ^
;;与当前turtle的交易总金额
/ s% C' I! r6 H. ?8 ^$ r6 Elocal-reputation
6 H0 V& Y+ P9 x3 Z& l8 \global-reputation
: b) I& O3 @0 ]' w+ d& mcredibility) r+ ?8 E" E, y3 e/ y( f1 t# j
;;评价可信度,每次交易后都需要更新
' t7 @6 C$ ^4 F3 v4 s% g. o7 Bcredibility-all
3 x" D* ?4 `# j& w* |" p- j. Q3 X;;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- O" H# L& V& O
4 K6 L( }' ^7 C+ B+ A;;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" V% [: F' o. z8 z
credibility-one2 A1 {) f9 b! G$ q8 d; f' D9 b9 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) c% C3 S- ^( i/ `8 `$ [. q4 r
global-proportion; Q2 B# G$ z# l
customer
( G- |3 o2 W) Z" Q/ D- Qcustomer-no( E2 p1 r" ?" `$ h
trust-ok) x8 u0 l; J) |- m3 |$ w
trade-record-one-len;;trade-record-one的长度
/ m* y( `; C8 y0 k]; [2 G& D) E* Q8 b: T
8 F( e5 e7 h$ O5 r0 D;;setup procedure6 H8 @1 v4 x% \ X3 N7 ~( N$ [
" P- j6 G& g3 U; \* A2 U2 K
to setup
) X) E9 x( f8 J# F! q' g# Q2 k7 H4 o3 Y, _7 W: s8 H
ca' g8 I" i& I+ E/ I3 j# v
. @* d; _, M8 u! a
initialize-settings
3 U0 D' G6 i3 k6 U C9 i
9 Z6 k E' g" _4 [4 G, D% J$ dcrt people [setup-turtles]
# G3 N8 [0 W* p! H5 p. V
0 z; q1 O; p8 c8 u& `reset-timer- x; P9 m$ `0 c
! c1 F3 s+ V6 p( u
poll-class
8 e: T! c9 m8 }# _2 H Z; Q q
/ v9 w+ u& W" B' C$ [setup-plots2 }+ U% ?9 v1 O6 f8 F" ]- D
! V S! `, K4 udo-plots
( n( W5 o4 D$ D7 k, zend
0 D6 Z/ M, m' ?! q y1 e
4 Z* }, W2 f$ C" c* w" j2 Wto initialize-settings
0 j+ b: A* K& w% ?
, d. G9 ]' ?0 Y* V, e% mset global-reputation-list []2 U3 Y* R, N2 S* _6 t$ L8 J' p
7 c6 v8 m8 H( E0 s- [" D) eset credibility-list n-values people [0.5]! }2 R# [; W7 g1 t) C0 b
$ E3 x4 v) b: q jset honest-service 08 @' ]3 Y9 ]# v" p9 U; S
% L$ ^# i2 u8 u, P: Dset unhonest-service 0
6 \ C9 r# b4 H. ]3 v) [" X8 X3 I+ L+ O5 O5 r7 D" a; q
set oscillation 0
" }: d; K H1 G4 {1 T8 o. v
& Y5 T9 H( o r! ]set rand-dynamic 0
% M$ L% [+ ~) V3 Z; Lend
. P! }$ o! [/ p0 [9 x6 T& c* t" U
% B+ N w8 R z" V" v$ N) Fto setup-turtles 9 g0 {2 Q; a# W2 z
set shape "person"
5 ~( @6 d' y. ?7 B. F# L- N$ T8 Csetxy random-xcor random-ycor& H! S) |, L6 N
set trade-record-one []3 e# u6 P o) _" H! V5 b$ ?! @
5 O7 X1 h$ `; r/ f" Jset trade-record-all n-values people [(list (? + 1) 0 0)] 2 G1 A0 S3 o$ |4 S
w6 x( X1 z" |% Oset trade-record-current []% Q: ^* r/ D# _, N8 D. X7 \% a
set credibility-receive [], J) F- m" c- d# S1 d2 g9 Q
set local-reputation 0.54 m m+ G, j7 h+ C9 _3 L
set neighbor-total 05 m( o# u6 D- \. q8 u. D. Q
set trade-times-total 0
. I3 g- D0 U5 U! h& ~9 J# jset trade-money-total 0
0 y3 p( W* u% I" T7 ~) {5 v G/ Eset customer nobody
2 V$ y" l% N2 }9 Rset credibility-all n-values people [creat-credibility], n3 c5 [* h% Y0 z: _- W4 g; T/ w, \8 I
set credibility n-values people [-1]
: `- S9 Z$ r- Pget-color
& H3 N# c) x$ e* j! W) F: W& F
end
9 n8 h- |" i! k/ Q
- a# O3 H7 H" G* P) A0 j7 sto-report creat-credibility1 z: b# P- V/ u, V
report n-values people [0.5]/ u! X7 r; E2 s7 i$ [+ k
end
, D' [# o% m% ]' s( }3 v4 @3 ^
l- ^3 N- d1 t9 _. E( [. l: uto setup-plots- c$ h3 S0 i! Z. z% N( K# |
6 H3 a+ p/ H- O" J/ p$ O3 Qset xmax 30
$ c7 m5 b0 M3 j3 a. e6 d
: y2 ~7 [+ k- Vset ymax 1.0 E" z! L! y$ N+ A+ G, y
3 E. c7 C0 n. a9 U% L6 zclear-all-plots
7 I3 k: a( ]3 K6 u
# I8 z2 i% B* x$ }% @/ isetup-plot1, x) w% P- Y- Q" Q0 ?. l5 A% R. ^
* Q. e$ l- `$ esetup-plot2
5 ^- k* p; h) K) K4 c8 J+ r0 @& D+ u" \3 P4 b
setup-plot3
3 f3 u- J, ^3 q9 K" Xend: m' G& L) v" X4 _
$ O1 o5 [& w' Q0 e K" s& c
;;run time procedures
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# N, v- |' V$ }( r; yto go- z0 C$ [* [7 b3 }% B6 T$ K
7 @4 u& ?7 S4 {2 x( M" H1 ?ask turtles [do-business]4 d4 {6 C% ~, S8 n U. b
end
+ \6 h- j( j5 M$ C' Q& l. ]9 u1 E+ _, z6 J3 T. e1 P
to do-business
" V- U! d+ E7 M3 C" t5 G' T& \
/ N& g# E, z, u* f2 I# G2 x$ W- Z. a# e1 t+ \
rt random 360+ F/ n5 y0 }! s4 k2 G _
+ q, T) M2 v" S! D5 r. jfd 1( K' H6 b/ |0 Y! z, \( N0 E1 ^
n+ l* G9 W* O; u7 ~- R: D
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here! H: Z' y: J& J
$ a+ N/ N, ^& d9 O S/ M) Y;; set [customer] of customer myself! \5 I6 v9 C6 R$ x# L% Q
# X% t3 f3 B% w3 ^' ~
set [trade-record-one] of self item (([who] of customer) - 1)' h9 S; r# q; c3 `1 l$ j& E2 Y
[trade-record-all]of self v/ @# o& ^% q( R6 b- a
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
& h4 [4 i* g5 P y' H+ }9 s* G+ G& v& Z6 T% C* ?2 U5 ]
set [trade-record-one] of customer item (([who] of self) - 1)
/ t: t2 H" | W6 b5 j) S: i[trade-record-all]of customer
1 `3 z; p& Z C& a( U- Y* n2 ~% P) x' i4 C% n" m% \
set [trade-record-one-len] of self length [trade-record-one] of self
# J/ u% i/ \! X5 B2 s; F/ J$ A$ M2 h( j9 m! o
set trade-record-current( list (timer) (random money-upper-limit)); `& `/ o% ^- {0 I2 M% O/ {
; B S, j/ y6 p, D. Nask self [do-trust]
) c0 a* h' X; X- k3 i0 h;;先求i对j的信任度+ f+ q& @: x* y+ ^0 a3 F
& q" m. D% T+ H1 w2 ^; H, r F* j+ B
if ([trust-ok] of self)- e: N2 @ ~6 r: w& F1 e$ f
;;根据i对j的信任度来决定是否与j进行交易[+ i( O1 e7 ~ y* }3 I9 e
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself$ c2 X3 N0 k& R3 K- h9 c8 n
1 {- K m; D2 R9 p% c7 Y( y
[& _4 H/ @+ r3 _) t
$ q# }* X, n' A4 E, R+ Qdo-trade
3 k, Q. z; ^ k. A. @9 k9 n# \* q" P3 Y( u) |
update-credibility-ijl
( y8 Q K. h. t( g4 O3 s6 v) o0 C& f2 Q. o e
update-credibility-list
" w% U+ \6 d; o7 Y; D5 N& ?1 `" I; s- S2 s7 ~6 l( _
. d9 ~" f+ o" d. [5 P2 ^1 o
update-global-reputation-list
& s" n3 _% J/ D4 s/ P0 Q
; f" k9 e* j5 {5 M8 M; qpoll-class" G! Q4 N1 B8 W/ l2 t
$ N$ Q/ M6 T0 O9 @( N
get-color
/ H; k$ Y! }- e/ N9 E X) I! l9 N7 S$ P( a3 y
]]. w$ y3 Y0 U$ z3 G7 R5 n# q" H( N. }
) A% O- {& }: Z' @. } T;;如果所得的信任度满足条件,则进行交易1 F# Z# t' Q9 {) L! O3 l# c4 Q
3 O7 E+ H) G5 @+ }0 @[
# \' u. f8 Y* l! I7 m
. y! V/ ?4 W; frt random 360
! F; u4 O* B9 y- p& S$ c+ X1 s' {; K" r7 J0 h
fd 1
$ O1 T) L! {7 R; ]2 r' P, i& y0 c6 Z& [/ L4 |% X
]
' S9 j; J) W: G* o8 Q5 j- c: w
: r) s. Z3 o9 g3 D! ^ nend) v) r; Z5 z1 h0 c% V4 H
7 P6 w% y( R2 w. pto do-trust
# `3 Z0 J* e" a5 R( O7 Pset trust-ok False- r7 C& s. U7 |3 z _2 P s
' ~9 B* D2 ^+ H: h' P% p. [
+ X* W3 T9 ]8 t! ~; P2 S# }& I: xlet max-trade-times 0. H5 n ^# v* G g6 y; N' F
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]; K4 J6 `" [% N) f$ [
let max-trade-money 0' _0 E+ x, G$ w$ R2 M
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
" v0 [/ d0 T5 K* v; C6 T' nlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))0 ?/ J3 `# {$ x7 l5 J4 r: ^+ c
! U6 G9 s: W L2 s% p* p* L
4 P$ x7 m, w4 |% |8 U$ ` V. a- mget-global-proportion
- A- l7 H0 m2 g* } z! D2 \( J6 Glet trust-value
3 O4 q" r- W" \0 v; vlocal-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 ]8 H; X! T
if(trust-value > trade-trust-value)
. s, q% B' k$ _* o[set trust-ok true]
4 A. K, u# K+ Hend' j# T! ?( f M {1 R( B
- [9 K2 B# o8 {9 ]" \
to get-global-proportion5 z9 V3 i |& }2 D5 m5 [
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3) _5 X( M; z" M: i6 f# d& |" [# V
[set global-proportion 0] G8 v5 n* h V9 V2 ]
[let i 0
x: D4 p4 T* V+ g3 E9 i& ilet sum-money 04 m! b% O- e1 e$ V% V- ~( n
while[ i < people]
^4 Z+ H/ v6 I* R[
0 {& O' O. y2 U5 G3 `if( length (item i* j9 A/ T* ]' H2 x( Q n$ N
[trade-record-all] of customer) > 3 )
$ r. m: f3 D+ o2 o[- i: l& t, B o7 O$ |
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))! n- C7 T+ F* l* E- i0 P1 j
]* E4 `- H2 \& X6 u4 {0 Z4 F
]+ B! o0 i3 Z6 f2 C7 j- z
let j 0
. i7 ^ n7 ?! v6 Vlet note 0
/ V4 C k1 @7 j* d7 `while[ j < people]
7 S: v: \$ Z; q9 j/ I/ A3 A[3 p9 I8 ~4 j$ D# p
if( length (item i/ a7 p6 i6 p V& a: b
[trade-record-all] of customer) > 3 )
- y: j. L. |$ U& F9 W[3 c0 _7 ^; X# b
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)6 b# F1 S) U3 [( U
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]- \% a0 Z$ ^$ o7 K4 m7 S8 S
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]- s6 F: U+ W6 ?$ b1 x/ o4 t
]
3 l( D+ H4 n1 D9 I; Q3 l6 q]) X: e7 N# x- w0 D" ~
set global-proportion note/ v6 q D4 o1 l7 {
]
0 E9 \+ G) n$ J* O& H- }6 Uend1 J, |% _/ \* b1 Q* e. o+ K% Q
3 o H! l8 s! \4 x. j
to do-trade0 e2 x2 Y& u0 `( q1 o0 z; [4 J
;;这个过程实际上是给双方作出评价的过程
! v' e5 V' a2 o1 x7 Qset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价6 D4 u' N% `3 g* J
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价. {8 Q, {6 K" X
set trade-record-current lput(timer) trade-record-current, Z8 Y) | i( E- m1 U! o
;;评价时间
" V4 E/ Y* l1 ]" x4 oask myself [
4 ]4 ^ v6 u% R1 lupdate-local-reputation8 i! y# m" |6 q( z- ]) V
set trade-record-current lput([local-reputation] of myself) trade-record-current* [3 v1 X! c: h5 O& i
]
: _: T2 C4 ~' X! q: q8 ^set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself+ l6 h' }" a! b& p2 P: l( c
;;将此次交易的记录加入到trade-record-one中- ^ E0 w& b' A! l9 P; P5 b
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)$ _+ V7 |. G. \* |: f g$ t1 n
let note (item 2 trade-record-current )( m' |% |: \0 Q
set trade-record-current- T5 T) ]) F( q
(replace-item 2 trade-record-current (item 3 trade-record-current))$ ^$ c) t( [5 u3 l
set trade-record-current. Z$ R* u* \. b/ R6 ]9 s
(replace-item 3 trade-record-current note)
$ a' D( B' H# ?+ e3 z% a* z: Z
7 Y; @; ~/ n# \# t) V x, ~0 i
- v2 `* Q6 h/ Zask customer [
# Z; _7 f1 `( f7 z: d$ gupdate-local-reputation
1 k2 b0 }, ^. c) `# w1 [- s5 z0 n$ nset trade-record-current& d4 h. Y" z5 a" A
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
. S8 T% {3 A/ a: t+ H]
- a$ N/ i4 G. M4 m% O
^2 `. v# z( T8 Z& q, B" b3 n; C6 J& `4 T' \
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
* H5 i- o" J- L, s7 P# Z: l3 \
I: }( N8 H" x2 x( `set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
0 ^, B* Z7 G9 L1 a* ?$ ^;;将此次交易的记录加入到customer的trade-record-all中- `3 [: M$ Z P, l: [; o
end
6 d9 v* R' m' }5 e9 n. T4 I
! ?- e4 S+ U1 k3 k* P- mto update-local-reputation
" }: x9 p& r# N2 |* J/ v+ uset [trade-record-one-len] of myself length [trade-record-one] of myself* G% M r% V. h! a2 K, l0 N
+ V/ n, L( W! k% |; r* `6 F7 R
5 [4 e" C' g2 L; x3 ^- ` I
;;if [trade-record-one-len] of myself > 3 6 L) |2 Z w: j2 J( W3 e
update-neighbor-total( k) H, y2 T( K& ~/ G; M* v# f! R: n
;;更新邻居节点的数目,在此进行$ b( T7 y! k) x8 R
let i 3
1 L5 ^5 f. {) A0 R9 H) e, m! Ulet sum-time 0
; U/ |% }' a( V0 P% N/ X1 ?( L$ cwhile[i < [trade-record-one-len] of myself]" ]% ?4 E) I7 J7 D5 Q$ L5 s
[
' F& n& C, W9 wset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )5 o3 K, x* O& u
set i+ z6 f7 e. l7 z+ s, W/ {. Q
( i + 1)
! t8 j, h- a% }: G, _]; A+ W, [. T8 l4 P& j
let j 3
9 m9 A+ O- F: ~2 Hlet sum-money 0$ m" o0 `* L- H) K2 k9 ~5 r
while[j < [trade-record-one-len] of myself]
) C0 U3 E& Y$ y& [( S[+ S6 J5 j. B; z. a& R* P; 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)+ F. ~& B% j# p- q
set j* X- M' x9 K z' E) D( M, G8 C3 \
( j + 1)
1 W4 D5 J! a- Q& y$ X]& M+ `+ u3 C- Z: \+ h& N
let k 3
' ]! v! a1 P, V% E1 tlet power 0, | U; @7 K, F! O
let local 0% J/ E7 |; K& u A1 j* a- D. ^! A6 Z
while [k <[trade-record-one-len] of myself]2 O4 O" _) G' d5 D
[3 Y* Q t( t3 A1 c
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) 0 U8 O9 W! I) l- W. r( r
set k (k + 1)
% O) ~6 L! L/ d: {]. H7 a: t8 G) o; W8 m$ v4 F
set [local-reputation] of myself (local)1 n$ @+ Y; X- s3 U7 }: e; F
end
: z& k' y# R! b; j9 m: a
7 ?3 A) K9 d6 Q* |7 B! w5 oto update-neighbor-total
8 l( |" n3 J& d2 F2 _9 y2 B2 F3 G- ~
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]$ r' i1 b9 c7 J0 s1 h
, P' L! x* T" |/ v
9 J* |( d' H; k% E; k3 u+ [
end' D7 r7 y; e& e! r
, A7 I/ A, J) d+ |3 W. lto update-credibility-ijl ! q& h: M5 y3 @/ T9 o6 d
- N3 |) W% @/ ?$ A$ Y
;;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。
" b; C) g- ^7 l b$ t9 E- ^let l 0
. t: Y5 [) Z3 r) lwhile[ l < people ]4 C% {( f. e5 X
;;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1 q |& {' a7 s `7 d
[
& x* z4 P7 g% @7 S! {% s! Jlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)0 P( `* N: p! }- l, B4 g0 I. ^1 A
if (trade-record-one-j-l-len > 3)
+ j+ O% H8 U- H! L6 n9 O, a- ~[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-one9 u$ x5 I! j) n; g
let i 3
! u* F( u9 Z4 `4 Z* {" x: o: y) slet sum-time 05 [% D: |7 l* n l
while[i < trade-record-one-len]
" V+ ~1 r9 p4 ~. \[; D6 t7 t3 w! ~
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
* t% x5 {* `& eset i: I' H3 z. I( U) a0 Q B
( i + 1)$ h G, j3 O$ U7 g
]6 ?7 S1 B* \& p! h* p, b z8 H+ F
let credibility-i-j-l 0
7 S1 B, Z' A. t& c6 R;;i评价(j对jl的评价)( t8 N0 ^ z; h1 C
let j 3
7 n2 ~4 |, C) a Vlet k 4
/ j6 r( Y- [$ S [/ ?- ?while[j < trade-record-one-len]: J8 c! H( b' B
[
% m2 @: i. Q) E0 O) x) nwhile [((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
% {, a3 J2 l5 Bset 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)7 F+ U! A0 {2 R. I
set j; f/ @+ D s' }, v; G) S
( j + 1)$ Y2 V& H {/ }) `1 u
]. ~, [5 f, x6 J3 _% g
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 ))
" r# Z4 b( j$ H( t' e8 c6 Q
# J" s0 o* R/ ~, V6 r! C2 ^
% B) m$ U2 r) Blet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))& \5 u. p, K/ k# m# z
;;及时更新i对l的评价质量的评价
! w# Z/ R- F7 |* d6 S& D7 Fset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
i- b0 W0 O1 ?; d% Rset l (l + 1)! t$ T; E. p" M" T
] d# q+ |+ m8 ^5 v9 h
end" n" p% m" K4 I) X, B D
2 v0 L( e! s+ X2 ]5 |to update-credibility-list( p3 m0 q m. H# W( x" w
let i 0
7 D: z Z* P* A. f2 Vwhile[i < people]. J3 \. d ?7 I% D' F
[
" Q$ `9 i \9 w6 V' c0 e' xlet j 0
0 \5 ~/ d' R' K7 {3 rlet note 0; f- X" o+ i0 w, Z1 x0 ~
let k 07 q- u/ ?8 a5 y7 t
;;计作出过评价的邻居节点的数目/ g! N+ A1 r4 Q* w D
while[j < people]
% g0 g0 m9 d7 s+ O# c[ x$ b7 N) w |
if (item j( [credibility] of turtle (i + 1)) != -1)
9 c2 Y' Z9 }2 B+ y4 ^9 A;;判断是否给本turtle的评价质量做出过评价的节点
0 @+ m; s0 R6 e* V; g R[set note (note + item j ([credibility]of turtle (i + 1)))7 ^5 R% U1 f# Z* b0 Q& N* u
;;*(exp (-(people - 2)))/(people - 2))]
, P/ w, f- \, d" ~5 I1 B$ |set k (k + 1)
6 i- S3 f6 D! S2 `* H4 s]
1 V* Z3 U* a4 h0 g) Eset j (j + 1)
4 M4 s/ P( h) Q: M3 i% [' V]
6 C; H- y) k& hset note (note *(exp (- (1 / k)))/ k)- N3 Z# X% M$ T7 b) Q
set credibility-list (replace-item i credibility-list note)" ^- e2 D8 G3 b
set i (i + 1)
" E$ j& |* B; R6 ?$ [% ? B' A]
k1 D5 Z/ E( s: Aend
+ k. G1 _6 n! o+ b( M; y1 L7 I6 v5 ^8 ?0 V$ |. E7 I- ?" @2 u
to update-global-reputation-list
/ W+ V, F! @: A7 F7 r' s( plet j 03 H t& ^5 C6 F( H! U; m& W! y
while[j < people], d' C% }/ u5 u' X/ L+ B4 a
[$ J$ b, y5 E. @9 p
let new 0' s1 i: W b" m
;;暂存新的一个全局声誉4 @" ]6 S+ C- [) Z' \* V9 y. Y* F# K
let i 0
9 u1 ^/ f0 l. Llet sum-money 0
4 r$ p Z0 R. N* ilet credibility-money 0! [& }, A/ M5 \3 h' I9 |) b
while [i < people]
$ ?2 x3 N* G2 K5 h) L3 r' Q[
! q, W3 f; I$ m* Sset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
" \, z7 @+ e/ [set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
- j; a! @; c- s& D$ gset i (i + 1)
' {) S* ?% w1 {6 g* ]" N]' Y6 R2 Z9 P5 [8 {/ s4 ^+ R( [
let k 03 F5 }" d; Y, ?6 d3 W
let new1 09 c* k) x7 D: F9 q' l$ u% h
while [k < people], x. W1 X- M. |! U
[
) X# G. }9 Q5 F! sset 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)! r$ A/ d8 o" B1 g; y: v
set k (k + 1)0 \/ N g2 W7 b6 ]
]
" g1 c( N" \0 T- T$ |set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
4 p8 F' n9 f2 B8 Z4 W }* sset global-reputation-list (replace-item j global-reputation-list new)4 e* f2 c ]4 Y5 C6 J
set j (j + 1)
2 _- P6 R: J) r]9 m, k- ?2 J% Q' N! y
end
+ n+ s# ?2 b4 S* a9 i! v; K& ^" E* p2 ?5 h8 h5 ]# ^8 }
9 {0 x7 O, T( w9 a" h% Z
! J$ c. z0 p2 B, m6 {7 hto get-color+ x( `$ Y- y% h3 L
( ]; y( B1 j, S* C7 {7 w6 z
set color blue: Y) {- W l/ N& b& A: }
end4 ~ | j/ W8 f( _
2 s8 A+ h$ A" N' o: Mto poll-class
7 K, K( m7 T% \: o0 g+ `end2 E! q# v, H" M+ _7 |) b
t0 s8 }5 Z3 v/ z/ F. Kto setup-plot1
9 \) q, [- F/ g/ ?
9 @% `. |, V) ^1 Z; K' Uset-current-plot "Trends-of-Local-reputation"$ B9 |( v6 l1 Z- K* u/ O6 ?
, n! g/ B. \" zset-plot-x-range 0 xmax
: P. P! c, H& ? \1 F! t& H
+ w( I/ v0 n3 j/ M. sset-plot-y-range 0.0 ymax
9 W: T- U+ S' F1 rend/ _2 o. L Q& C
" u' i/ D2 x; H
to setup-plot2. g& Y/ K* w- V4 n3 G
- _% h. A+ c6 ~0 q. y, P$ n
set-current-plot "Trends-of-global-reputation"
I' ~: V0 C$ s9 e1 F, m1 Z" l: Y+ e6 h# G5 o
set-plot-x-range 0 xmax N# B2 N# Q6 @" i C8 Y6 \7 s" A
( g; G$ W8 _; Y( |) _" ?set-plot-y-range 0.0 ymax8 f1 R! e: F+ r) n* o$ z& a
end
/ P/ I& G% t' }! ~0 \+ A/ L9 Y0 M0 \* [( O* H& a8 @& _" D
to setup-plot33 `3 c% l( F. U B n7 P
4 Z, m" f* h) K; p8 F
set-current-plot "Trends-of-credibility"" {) c; }/ m: E( A0 X: [7 L
* T. s# l, W [. tset-plot-x-range 0 xmax
& J# j4 t( J% Q/ v6 S
- F# d* |8 i9 O- q' Y% Y) aset-plot-y-range 0.0 ymax* ~1 l ], ~* `' g
end
. O6 p9 k0 U" e: ~! R5 v2 y% {' z; h$ L( V; |; F. Y5 K1 c, n
to do-plots
+ O. r' `5 z6 q6 U8 U; Y$ l5 xset-current-plot "Trends-of-Local-reputation"8 o# ^$ L: i% p/ W# d- i9 z
set-current-plot-pen "Honest service"5 J! X% M$ {( v5 h
end
4 P/ P4 |5 C( b2 f+ D& r& \
. w9 c1 O" q6 H+ z4 y) u/ x[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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