|
|

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
8 ~9 C% J. N' lglobals[( P9 W. Y/ O. |6 r: m: `
xmax% G' e, B$ K8 b) z, G A& F& X
ymax
% G5 l2 k$ k- a$ _9 K( A0 `0 q4 gglobal-reputation-list
& `: }& W% d/ _2 l+ N X: N1 W% T$ P3 f! k1 A/ R- O( f' E' b( `
;;每一个turtle的全局声誉都存在此LIST中
. p3 w6 Q1 q7 x9 R7 X. y8 u; Ccredibility-list* L3 U6 J5 h% v# e
;;每一个turtle的评价可信度8 k9 K4 m$ h9 n9 ?
honest-service6 s$ Q% X" ^( x1 P; I% Z/ y6 R r
unhonest-service
}: q! M& j& Q' a ^oscillation
% k) \- e& Z. [, W* n: Jrand-dynamic: d2 i u8 w* ]$ W7 D
]* ]' @' A$ w/ \# A/ V% O/ ~2 O, v
; g/ F) k) j" [ b" h, d: b
turtles-own[
( \' K" i) `' otrade-record-all6 ]$ V- \) s' g! I3 s
;;a list of lists,由trade-record-one组成
6 }2 {6 `% k. \trade-record-one% A* m. m( i$ {
;;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$ h8 K: Z5 K, X _
+ K. e- w& b- I/ 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]]
9 P+ p: v0 Q- |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 i0 T$ F( k! l: d% Y% ]/ L" W) O
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) P9 r2 [* {7 C- i: c/ R
neighbor-total5 B# |- a, ~: S0 }6 m( @, H
;;记录该turtle的邻居节点的数目
K9 ~3 V5 D0 r; g9 U# p& _trade-time1 p" B S _: h
;;当前发生交易的turtle的交易时间
% Z; { x9 u/ Uappraise-give1 S, H% Y. y8 V/ q" o! |
;;当前发生交易时给出的评价 \: s6 b* n3 M
appraise-receive
! h' y5 X7 K( R% h2 c;;当前发生交易时收到的评价
4 N* }1 I! A- t" nappraise-time
7 V: z1 P( {7 z3 V, v$ g( {;;当前发生交易时的评价时间
& |' E& O( F& v; o- \4 c; @local-reputation-now;;此次交易后相对于对方turtle的局部声誉
. C/ {1 s2 G& w6 dtrade-times-total; f7 a+ g: b: Q2 X. w
;;与当前turtle的交易总次数
' m! r8 F M! ]trade-money-total
% ~4 _! H2 `( W;;与当前turtle的交易总金额' ^3 C6 K/ `1 J/ q6 z! O' B
local-reputation0 P/ w/ G3 ~ p) H' ?( V/ T# S
global-reputation! ?" X" W: v \! q! Q
credibility0 {; c& u) i% I+ k3 A" ~
;;评价可信度,每次交易后都需要更新
4 g, t' |6 Z7 Z; q3 q+ Ucredibility-all1 h- x( z1 ]% B' B2 W" o! q
;;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
! w1 R4 @: v8 f" i# G- i5 q2 w: x% k: f* s0 o2 J" b. r0 ?
;;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
: M+ B" q/ k, m% ?; A# E* }credibility-one2 {9 K$ Q, }7 r' O+ z
;;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9 A9 E5 c" D: s: n6 R1 D& F$ k1 L* o3 [
global-proportion
2 ^% ]3 M( a9 ~" v5 Ycustomer
6 X) i* Y1 P5 ^+ j; T1 [2 dcustomer-no
6 q+ r) ~# r p1 Z ~trust-ok% a: Q" p) T0 \
trade-record-one-len;;trade-record-one的长度5 ~9 N) y, O& }
]
0 U/ f0 x; G8 N* W/ o
4 ?. X9 `; m' l& p3 ?* N) ];;setup procedure
3 |8 D% f7 c; D S4 ^( W. _! m5 d( L, \5 K1 {0 o( P
to setup8 X" L% G5 S0 U0 C+ L$ a
! L9 Q7 c2 K. a' `) Dca" f; W: b8 G7 S! `( O/ r6 x
1 y/ [: H* Z0 E/ [initialize-settings& O: N: Z y% h w% m, _
- ]+ l8 G0 D2 r& s- o
crt people [setup-turtles]
9 Q' r. u1 k1 X% ~, d0 z; H2 q; F
% S& H# i3 ?8 D7 g6 nreset-timer
' \9 L" b1 Z- w7 Q: d+ i3 \
' D; ~+ {$ b0 z d, Epoll-class' ]7 `+ o% V# }/ t+ A9 G
- W3 E k9 A3 P3 Msetup-plots
" p, v. `" S+ M7 b7 {& n
% G4 M. o# [, Qdo-plots
2 H! i2 M2 U7 r* m5 @- Pend
; u9 e& {3 `+ G: q- H" h4 e3 X# V) r' ?- a& {
to initialize-settings
( A; h0 K3 v6 j3 \3 q
# d. g: ]* y8 O! A/ X( c! N$ O$ `set global-reputation-list []
4 ]% t" }: n$ O6 U# M# u5 ]4 g6 G. h) R& h6 K5 K/ {
set credibility-list n-values people [0.5] W: b& F0 u" b. u, B
/ V/ g0 l! Q$ S) k8 P/ wset honest-service 0+ P; o7 q5 s3 D" k* J7 Z: \* Z% m
3 f8 K* }, d& w; E! mset unhonest-service 0) }" _/ L5 R2 ]' m& f' l
Q: j3 E1 b( S: z, _# j1 p
set oscillation 0. O/ K. a. t& `4 q8 A/ h7 F
% r4 d2 A" Y1 k. k4 L$ Q
set rand-dynamic 0
# w+ c6 x% w9 \* X7 g+ U, P" Oend
+ B; ^1 ^, E5 a0 n* G9 f; K0 I8 C! v
/ W) @3 u4 |8 O/ Qto setup-turtles ! \% A3 [; k6 @4 s% f
set shape "person"- Q1 A5 P* T$ [8 S3 A$ O' h, e- v# A+ [
setxy random-xcor random-ycor
- a/ w4 o" G; z+ b- i N3 Xset trade-record-one []2 r& X! |* k4 p6 M
& ~; d: c/ f& d5 ]% o8 ?% u$ m' q5 zset trade-record-all n-values people [(list (? + 1) 0 0)]
4 N( S9 ]( H3 T3 T q M6 n' v
# X: Q6 ?* }3 U0 Z: R" Wset trade-record-current []
4 b2 Z8 ~1 o @0 @set credibility-receive []
P# l, L6 }, b% B. Sset local-reputation 0.5
+ B8 z G- g& g8 a$ `2 d: Wset neighbor-total 0
, v4 W; S# X/ X/ lset trade-times-total 07 @0 L X# O$ E# i6 h) V4 F+ k @
set trade-money-total 0
" l b2 N8 j s% a0 H+ f Lset customer nobody9 I# N# t6 x& m6 M8 p
set credibility-all n-values people [creat-credibility]& L* H0 P. M* _, N. D
set credibility n-values people [-1]
1 L" m9 k) s& c) q6 o+ [9 [get-color$ `8 \' G! i' m I
0 S4 P4 q, J6 v+ n* Z* ^end2 I$ C2 U2 V/ \0 v3 O% r3 K
3 |2 H* {1 S) _# g
to-report creat-credibility
" u- B" w" \* l% a& mreport n-values people [0.5]
) C, a: e/ R/ z3 Rend
3 \% H4 N9 M. Z5 ?% L% m. A+ r4 l
( ~1 ~2 P/ |0 H: N/ T( e% Ito setup-plots5 ?- Z& P% ?$ H& G# r' I* Z! F
; h% k4 s' u+ R2 @( [! iset xmax 30) b% [6 ^+ k. z, y+ C
& H2 Q3 s* y% w- E
set ymax 1.04 Y2 ?/ O; U' F$ F/ |
' F# r9 G5 T( z0 sclear-all-plots
1 r9 @. {% M0 U* R. h
2 B: M* K0 W, E3 }setup-plot1% J9 U" o5 B: Z0 {& Y' A6 O
+ y# C$ H1 O7 asetup-plot2
5 d/ B8 @5 ~- @4 _$ C3 R
4 b; R8 C f K6 l, rsetup-plot3
( X+ U) V5 a% K; I; gend3 y% e9 u4 D; W, P, d6 R
7 L$ D6 c! M, n% J- i
;;run time procedures
( g$ Q6 q+ i& I' k
$ l* L2 ?6 g1 x0 X7 T: Y N# J% Bto go
( m W7 @9 w8 P) e4 F4 k m/ S, \) e! S5 H
ask turtles [do-business]& S* Q5 G% }( ^2 k* K5 ]) [' g2 W/ ~
end
! E, q2 r' O% p* Q8 M- K3 s, R9 i) t" d; ?, t8 h3 E
to do-business
: c' _5 d1 V$ h! K; W
# l! D, Z/ {; h6 \8 l; U7 ]' a+ l- T9 X0 H4 Z" l
rt random 360
+ e4 F, r9 G, X, `" D5 D7 n1 }( w, F- q: k2 D) [
fd 1
# s: e9 Z, c" a0 u! f j) q3 r* J3 i% m0 f5 \$ y, }9 L1 c
ifelse(other turtles-here != nobody)[
9 K, O' J$ E% a# h W* g) E; M8 T- K- p# _% r. ]$ t+ P
set customer one-of other turtles-here. B: X0 y+ R. g7 j
0 ^! ?, F+ N7 k* G) b+ r. g$ Q;; set [customer] of customer myself& R9 A/ A4 h) D5 X( w; Q* J) }2 W. ~
& K5 ?9 n; h, w; A& X7 c; Hset [trade-record-one] of self item (([who] of customer) - 1)# A/ L/ s- Y! M
[trade-record-all]of self3 a+ {% R: j2 I9 r5 t! t
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self. C, J: b# h7 J, g
, Y- x% C; t+ E5 \' A3 uset [trade-record-one] of customer item (([who] of self) - 1)
/ R; P5 f$ J* v$ W/ h7 f[trade-record-all]of customer. a8 S2 T4 }& C' M5 [
# H' H5 _) L2 Z6 J+ E) ~
set [trade-record-one-len] of self length [trade-record-one] of self& S7 e3 v+ G7 v5 e8 N4 K( f
5 n2 q$ D# y" n* G4 u$ ]set trade-record-current( list (timer) (random money-upper-limit)) Y, c2 B4 \3 T; D/ N: _
4 ?9 G3 i& @" c. s+ J; V. Yask self [do-trust]
0 M1 B* @* R1 I1 }/ L; s;;先求i对j的信任度, `# o: N' p, K3 Y$ Z
$ f! f F& i6 @9 Kif ([trust-ok] of self)5 x% P. D$ Y* t' ^# G5 v4 [3 O
;;根据i对j的信任度来决定是否与j进行交易[8 k4 y5 x: u1 Z$ [+ }
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself4 L0 h8 ~- M9 |7 N" }$ U7 e
! Y1 @: Q5 ?% i; }4 _+ T+ O8 G
[
. T: z' p0 w1 w+ z/ s# C8 j( ]+ Q2 ?) o# C: h+ S2 N' L# ]
do-trade
+ [6 T+ M9 }& j. q# W9 t: L7 ], }- h( U7 X
update-credibility-ijl
% H5 [5 f5 ]9 ~* L2 j& |6 v; A
7 v" G: `% F$ ?9 q" Mupdate-credibility-list5 N. E3 p( ^2 h2 i* K
3 H Q( \: g# P* E5 h" f3 Y6 y
; O0 Q$ z: y6 i3 y: O( p7 T
update-global-reputation-list3 l8 O# }4 F c: ^3 z4 x0 T6 m
r% m5 k0 @0 [# Ppoll-class
4 ~& d1 t' z5 p2 d) r$ G0 ~4 h0 n
1 I- i" G2 b! |, ]( @' ?% Iget-color1 v4 o$ d2 x4 q% w% S
1 p* E) R0 P" E1 d- ?]]
( O8 {5 f7 H! ?1 }5 d1 W U' F) A2 C8 _2 [, @: o& B+ y* G
;;如果所得的信任度满足条件,则进行交易2 f1 ~8 A2 u, k3 u6 i
- s k3 u$ e1 ]2 Y8 `( X" _[
7 _+ u: l' L7 V( a( E
* {7 F( }2 ~$ A0 N5 prt random 360: ~+ N8 ~0 O% a5 ?. N& m+ s
$ N8 }( _7 |& z. u0 u4 J( s/ qfd 1
7 Z2 D) [" l/ f2 e9 C
* n) S* R8 F3 S' S6 H1 V]1 R9 f d/ l/ k3 z! H1 H6 p
2 l+ r+ v0 C n6 D3 N, W$ q0 T. Aend
8 b' K4 G$ X: p! h6 J
$ ]9 H9 s. a: h1 v& nto do-trust + F* V( E2 F5 g& @" {
set trust-ok False
, x$ ^; G4 R+ P# C8 R5 R2 w$ G0 K, k0 U5 p; Y
# ~- d/ D2 B; Rlet max-trade-times 0
, I' Z) L/ j9 r" Wforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]% k. |. A3 \. S, @5 A I
let max-trade-money 0
7 A; c, l: W& i. _5 kforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]" V+ b# I1 P8 h( T6 o
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))) ] q; i, J% a. F$ D; _
$ X/ z, E2 ]& ~% j4 \
/ x: ?: Q" x2 [( }' h& @$ vget-global-proportion, C" q( V8 M x8 ~0 J9 s
let trust-value
- @$ `" Y) z" Y: E+ U5 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)
+ Q: {4 J: ?+ p8 B2 A" M8 L- pif(trust-value > trade-trust-value)5 j6 A$ @7 u" o( Z% ~5 g
[set trust-ok true]
' Y1 [! W) f) [5 r) Z5 w* `0 Nend$ s8 W2 K6 m* I
3 `4 l* Z; F0 q% h7 T; h+ s$ a
to get-global-proportion8 j3 M, v" d; b% x
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)6 Z) c; n& t6 L& I/ L* l8 R0 O
[set global-proportion 0]
3 F# i& n) e$ x+ r5 @[let i 0
P7 N' Q0 e3 i% u6 Elet sum-money 03 M/ J' J; `0 _0 d! l2 o5 \
while[ i < people]1 d* j3 r% q h7 [4 X" Z
[
% v4 ]- N1 u) Y( C h& r9 I2 s4 f: s' Mif( length (item i+ H% N6 B6 g+ Q* Z/ s1 R* x5 o# O
[trade-record-all] of customer) > 3 )0 b) r; D Y, i. a# I5 D8 |
[
- F4 B! h/ z# p' i/ uset sum-money (sum-money + item 2(item i [trade-record-all] of myself))- c7 u7 U5 r' j9 W
]
0 P. d' L; a! w, B' A7 w]( o: N) ?: q0 e) j3 v
let j 04 {, ?& C' d! a7 _: `+ s
let note 0
7 a" o( f/ Q( a- F. zwhile[ j < people]
1 N9 F* z' Z, a* L* j! Z4 u[- U/ H- ^2 o& w7 o2 E d9 c- N; n
if( length (item i
1 v! v2 i$ M4 p K! B, t! B* a[trade-record-all] of customer) > 3 )
2 _$ z0 a/ |6 }" H[
3 c3 s" [2 H1 ?2 n8 Rifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)* \7 s4 l, F) ?+ W+ S ^- V7 e
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]1 L) u2 @- c; [9 t) G9 w% D' I
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
, W* ?4 J, X' E( Y) Z]
6 A- C& U& [ R0 U0 }8 k6 x]( C$ c/ r5 x! a: \4 {
set global-proportion note
" |! E: ]1 a1 i: @0 c U4 v0 Y% z]# N* }7 K; ~% e- z2 {7 r
end, P( E9 |- N) p6 I( w+ J' h7 |
$ c3 H9 V( e& o
to do-trade( t- N% F7 {% X
;;这个过程实际上是给双方作出评价的过程/ Q: l( A. A/ L; q: {0 I+ v
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
- g0 s. b! W: \, zset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
2 I6 b- ]! O6 J- E1 Iset trade-record-current lput(timer) trade-record-current; L. m, H* T. J) P M. }: e: N
;;评价时间
y2 f; w) q/ n" `ask myself [
+ A% F5 H! S) mupdate-local-reputation: R( Y$ m1 [3 z) {' `' a
set trade-record-current lput([local-reputation] of myself) trade-record-current
8 w2 r! v3 n: z% i9 o, B' D]* M9 E4 H9 F$ `
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself" O% X. ]4 Z. i0 u6 ]
;;将此次交易的记录加入到trade-record-one中
9 O2 L$ o* `. s F! ^2 oset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
) K" v4 }0 N# e; a7 F1 T# ^3 |let note (item 2 trade-record-current )& C$ _9 ^ e. R. B/ \
set trade-record-current
; T# }3 I6 |. J. f(replace-item 2 trade-record-current (item 3 trade-record-current)): [9 j9 e$ K; w* d
set trade-record-current
0 p" V, y0 L' l3 E* n8 w9 ?(replace-item 3 trade-record-current note) C3 `9 p9 X ~- W7 S
. d. E5 d N1 K2 V" Y" v
) N# T7 _: E$ S5 e3 t( Bask customer [
" ^5 Z% h9 }; k% `3 J+ Jupdate-local-reputation$ `) G g% x+ n- [& p! n. f
set trade-record-current' f. N& k1 R( H% ~ b
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
' f6 ~: N& I& t]
% Z# ]& m+ ]) b2 a
# |7 t+ u' \( s% d: C3 T
3 Q, y+ p* \( f, Vset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer% @$ y; R* t3 V: J. \1 J7 c" g
# b4 D8 r; j% W& \set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))- g% i3 W8 a& q/ C
;;将此次交易的记录加入到customer的trade-record-all中
) }; G) b5 j' b( Y/ \5 q. O; _' a* send( S! W- s: s; R& }- O2 A G$ }* w
7 E. K9 V: ~' @to update-local-reputation9 d9 K% s4 n) K
set [trade-record-one-len] of myself length [trade-record-one] of myself+ G. g: s! K* j" ? x
u+ G, Y% K! f* s2 L
8 N8 I" D; A' Y9 k8 q;;if [trade-record-one-len] of myself > 3 ; V& X1 S+ U; t* w
update-neighbor-total
: F) F) q1 }% t7 j5 b% X;;更新邻居节点的数目,在此进行
8 s& x2 P' l M/ a; O! Zlet i 3
" g# a3 \$ _8 o* ^$ Glet sum-time 0
+ f# ?5 Y: N7 N% t7 ^8 A/ `+ iwhile[i < [trade-record-one-len] of myself]
/ d1 P. Y$ z( ^: l[
' _6 ~8 A6 \4 V& eset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )% `# ]4 D ]# \ Q6 p0 `- f
set i
1 s! h V& ?4 J7 B m9 ]* E z( i + 1)' V' p& H# K! `" e6 }9 W9 Y
]
* m( l9 T: Z. {6 Y! d; ~let j 31 P) ~1 K; @4 Z; q9 b
let sum-money 0
/ j' U0 h- u' ?0 w k' |9 W" awhile[j < [trade-record-one-len] of myself]. X# b; x: F. O, w' `/ R/ u- o; C$ s
[
1 k9 b- E c1 h' u* Rset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time). b O* t' m! N @$ W2 I7 j j; d# M
set j
+ ^/ D' L; c& }* R( j + 1) b {/ Q7 v" ^$ U/ y3 j
]
( m# H1 I5 X0 I3 }) @( D- Blet k 3
2 `( e" k; {4 j% B mlet power 0
% C1 t/ ^1 W2 j7 d* F7 Jlet local 0; T! S) `# S+ c$ s9 e2 h2 n$ k
while [k <[trade-record-one-len] of myself]
6 ?, A& h1 o# a[
" K( v" \! {; Q4 Z- k7 tset 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) # {& D* K0 P: L3 x$ Y& J7 m7 g
set k (k + 1)
2 O, Q- E {8 X, B. s]
! o' c4 c$ g7 u8 w! V1 G7 L. Dset [local-reputation] of myself (local)
0 q$ P# s+ ~% n2 C6 c1 ~end
( J0 H& w6 z7 h5 {0 b3 H
, U' v7 I+ T, K+ c J! rto update-neighbor-total
- p; U% c% a5 E) v! Z) X* [2 g. a* R- j. m
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]0 t* @: L1 y2 _5 t" U. X5 |$ C/ z
' c/ i6 \+ G3 A. R! _3 R
# U3 ^; {! a0 L! d) f
end
* c4 T5 q& k0 }8 Q/ v0 X
) M0 e# s* L8 f/ l1 n d Z9 [to update-credibility-ijl
! x; R: K; r/ O' J# x/ ]) i
: p5 D a! ]0 j2 @; Z" V$ C;;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。
) O4 e) Q) l% }7 w, Q3 _" ilet l 0: e, V) `; p" @% o7 M
while[ l < people ]+ P; Z; p( T7 A! H1 c) A5 ]
;;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& c! ~& _+ v2 F9 L6 I/ A% t
[2 J/ P2 g; m0 {
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)* b& ^9 m! \! D( ^: e+ Y
if (trade-record-one-j-l-len > 3)
& t9 {- E, ] q' L[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
8 W/ t/ Y; k. M) vlet i 3
5 X$ M/ R4 w2 x. s1 t% d2 Y" ]& b' p& Wlet sum-time 0: i- C( Y# H" k$ E& y- B( W* N
while[i < trade-record-one-len]: b9 P) P( \. d* j
[& L8 n" D* g# x
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )) R9 w& H9 ]: \
set i
5 ?1 |0 m4 Q; d; G# M1 v9 v( i + 1)
1 z$ @& O- O% P]
( f0 B* b4 ^9 C3 [" L: `- _let credibility-i-j-l 0( m& G. Y1 z' d( G
;;i评价(j对jl的评价)
6 o7 Q+ L! h9 Rlet j 3
1 l# b- v7 D1 F5 N# z, v/ {let k 49 O( H/ r; I& b
while[j < trade-record-one-len]
4 I! X: A" q$ @2 w/ K[
d& Z& t/ { K/ k5 c0 Zwhile [((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
8 x6 l( A* I8 E- ~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)* r4 U) n2 K2 E8 n3 S$ b. D
set j
: D; `' P) Q# ]( ?% [( j + 1)& G& Z* v; s8 L4 v | f
]
1 s; }9 u/ y" o( v1 P4 C9 aset [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 )). y& q( V; G) e& `' m
/ {' N; x7 x. m+ |2 M+ R( w: I; n& \( k" R2 V( k- n& E3 m
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)) Z7 m* V9 l1 `$ w9 b
;;及时更新i对l的评价质量的评价/ g9 Y7 k0 w9 V, S7 z" e
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
6 M, r0 X4 J! w w/ ~7 c5 K# ^set l (l + 1)3 j- f# S2 |# u
]& P/ b( I& v9 t5 E; S. |3 M+ N+ a& ]
end
. ]) q! N0 l/ y
4 h: q0 q! l3 U; Cto update-credibility-list6 m5 M$ v4 z' ?- ]/ q7 b$ q0 Z2 n
let i 0
; ?" D; Z4 W( }, Q" q' ^' y3 Jwhile[i < people]
. ~: D s! \% c[* Q# d% s' A9 O* U, i
let j 0
1 D4 F, N& \7 v' n5 Ilet note 0! x4 K: u4 c7 ]8 c5 W2 }
let k 0, M; R; a) c. {" x# S
;;计作出过评价的邻居节点的数目
2 `5 P2 \ Z. D% V; J9 hwhile[j < people]8 a b8 x/ S3 e- {3 W
[
7 W; u0 a4 ^ T( Y0 Eif (item j( [credibility] of turtle (i + 1)) != -1)
8 @* \4 Y) ^% d" J+ C' V, Z: s; g;;判断是否给本turtle的评价质量做出过评价的节点
7 E7 f1 C2 j4 ^2 n9 f3 g[set note (note + item j ([credibility]of turtle (i + 1)))
( y' C; r/ `1 K;;*(exp (-(people - 2)))/(people - 2))]
/ z+ E. H1 p7 \$ y9 o5 z6 I: Nset k (k + 1)
! F7 A0 d( q2 j" B7 {- l]4 D% d) l* Y( c) F
set j (j + 1)
7 t5 T8 w, [/ O- N) ?8 N, g]/ s! ^5 x* }& H7 D7 F8 p
set note (note *(exp (- (1 / k)))/ k), N n4 c* |4 y" s! |
set credibility-list (replace-item i credibility-list note)
4 ~8 c( u/ c7 e4 j1 h* Y ?set i (i + 1)
! f3 Q% u/ |& i1 s: o8 d]
3 C% d w1 E G: p* Nend
8 f# ^5 y0 @7 g4 o( X x' E4 p/ G* [ Q3 e* F- W2 s
to update-global-reputation-list
5 u/ g' L4 \3 ylet j 04 c( c. I& s* m5 U6 j
while[j < people]; m) U, ^" {" H( j/ d+ o
[- e q1 x8 Z9 o0 u4 Q" R
let new 0. M& q9 a6 e+ [6 ]3 V3 g0 N# n
;;暂存新的一个全局声誉+ d( z0 w u3 B3 ?5 P
let i 02 `( q( W5 C$ A
let sum-money 0
# ]- r& J5 x( G% {1 zlet credibility-money 0/ i. J$ m! {( q. \) {" p: d6 O
while [i < people], k, \! \- W. }, L5 L
[4 |! Z' X g" R- f2 W- w1 W0 ?2 _6 M
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
9 {1 f" K" G6 J$ V- V \set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
8 k: V! P( T& E* n3 nset i (i + 1)
) M, c% T5 x6 x/ f6 e% o]
o. H& W% A# Q* B/ C, ~let k 0
4 O; x Q! u* d: |" X; _let new1 02 [/ }3 s5 j( l _
while [k < people]
' b& A: Y8 J1 C[5 n+ ~; ?: y$ D* G
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)
6 m! ^' y0 p9 ]# J) aset k (k + 1); j6 K W4 D, q
]
% n. a3 o/ Z; lset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
+ U: C s, w$ u' _) T5 Cset global-reputation-list (replace-item j global-reputation-list new)
: `; k+ f& _) j8 y5 Vset j (j + 1)
; P: B% c- n0 H C" p]4 p6 |# A% u* \8 ^& {
end
0 o; T; c( @0 s, N ]+ o4 e4 J1 V6 j6 R3 U5 U7 e8 s. `
- b2 s% Z3 g# Z/ ^2 t
3 k" v% j( r- G& p' `9 G$ j, \8 oto get-color
) A+ w4 ~+ h, d1 \7 ]( r9 p B1 w( H: h; G( }
set color blue
% c& `' F; z( I* [$ {$ mend
6 u! W" o# }. U7 F, Y' P; P# t$ F
% U3 c2 F/ {2 Y; Ato poll-class
1 [: V& q. {. ]* J+ ]end
) `& [7 z; o3 x2 o; o
% ^; h1 I2 j, c3 jto setup-plot1
4 Z# D% b; y: p% U7 s7 Y
8 m) z! w/ l! ~( j! j/ oset-current-plot "Trends-of-Local-reputation"
: D5 B$ ~: Y3 N% I: w, H/ {, D0 y2 a" U6 F8 o3 v! ?
set-plot-x-range 0 xmax
, B b0 I* E& W! E( V+ j% X! ^" z$ G6 z% A5 R
set-plot-y-range 0.0 ymax L# g+ k0 O- o a; P2 Q/ a( w2 H, v" c
end7 k( X0 D- u- F3 }& p0 T) W
" C; I0 y: F4 a! M
to setup-plot27 |' t) f& L! j7 x/ w: `
- t! w0 T9 z/ r0 i3 q0 P
set-current-plot "Trends-of-global-reputation"& L% G0 P' U" L8 m4 x# `2 E& Q& l
! u6 r# H3 j m5 ?2 f3 \set-plot-x-range 0 xmax1 O1 O$ P9 M0 n3 F0 p9 J9 O: g
4 e8 |$ h" v+ Tset-plot-y-range 0.0 ymax5 I C! ^) G+ N4 H4 |! ?0 y5 F
end* c) K* L k! L5 F
7 z! U' d0 j' C& ]1 p7 rto setup-plot3
/ h ? ~) h+ z5 g9 f" {, m4 {5 A+ P- j$ ]! Q, V( b N( U
set-current-plot "Trends-of-credibility"
1 m4 A/ a x% V1 k- P6 j+ R- C7 O- b. _0 u1 e3 `
set-plot-x-range 0 xmax `4 {4 o4 ]4 c# }) f
. _2 _- e/ B/ m+ ?
set-plot-y-range 0.0 ymax5 `$ y# f0 Y3 w9 y2 J
end
/ s6 ~4 u+ I8 Q0 G! m- ^7 S2 _" Y4 c: ~& i
to do-plots
T- d' B; g7 R' r# ^set-current-plot "Trends-of-Local-reputation"
! |) |4 \- P9 S) A# G; h- qset-current-plot-pen "Honest service"/ z2 B0 Z1 F$ C" d6 a
end3 P3 y& [5 d* \! X4 D
3 Q0 U& X/ q) F* I: C[ 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
|