|
|

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 n9 k' X# \1 I/ k- T$ Nglobals[
- L' m- I4 f/ T3 n$ A6 f% d6 ^xmax
" C0 k! T6 k+ W6 v! Q5 _ymax% T! _8 X1 u5 a5 K
global-reputation-list4 z; }% t8 h- N" m( W u2 G: F
" I( s" k& L5 P;;每一个turtle的全局声誉都存在此LIST中
2 r* A# ]' B5 Vcredibility-list
& [" U2 T& X1 l& X;;每一个turtle的评价可信度5 f9 w8 e2 N% y( O' S
honest-service
2 H% E) a+ B) M. ]unhonest-service2 q. ~( f: b3 \1 y& b/ l) g
oscillation9 l8 r" B& P3 R
rand-dynamic
. l- x" [$ r( ?: O]$ \3 r) m# a' x/ F4 i$ T, m
8 H# v8 a2 m( i6 K, V/ ?& Iturtles-own[, A: r5 k1 B# ~8 A
trade-record-all0 \; x+ C E* k: y$ U
;;a list of lists,由trade-record-one组成
* I; C% x' j8 c: btrade-record-one0 R* {, i- z2 Z1 f( e1 P5 M
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
: X |7 i+ v% v0 D8 C' u5 }6 @: Z2 Z- M# L" R7 U4 A8 n
;;[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]]
6 {2 c. u) N. _! @# t. }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]# m" d$ R% B0 i: {! B7 C
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& Z) U: l/ D% \+ s; Q
neighbor-total4 A; K% ^+ x6 t5 ~' p4 X
;;记录该turtle的邻居节点的数目
, r9 [; I) ?3 utrade-time8 m8 U% Q9 ~' c; }0 |$ q" \$ s
;;当前发生交易的turtle的交易时间
8 d. i C3 o! y2 oappraise-give8 A3 L0 b& a& k$ k. |
;;当前发生交易时给出的评价
* c* ?4 w/ ]( b* F9 o& t% ]appraise-receive5 f* ?. ~* F& \/ _' P9 w t
;;当前发生交易时收到的评价* q0 M! P/ `8 h$ b2 z
appraise-time
s% m$ C @/ Q+ Z3 `) ?0 s$ n;;当前发生交易时的评价时间) A8 b- P9 b: T0 t* G
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
- e. k7 h' Q$ |2 n% z3 Q- Strade-times-total
% A' M( K y& W- S, B" J;;与当前turtle的交易总次数
$ {8 x; C; @+ D1 }: ]' ^trade-money-total
( ^- n. K- ], ]' h1 F;;与当前turtle的交易总金额7 N: G7 `9 m" ?* n7 X3 ?- ^
local-reputation& C/ I- Q! J, j+ {% b; O
global-reputation r# i- O7 Y! z0 F
credibility
4 V, x6 `' u# g# ^ d9 P w;;评价可信度,每次交易后都需要更新" w- o1 C4 U9 N3 [& B. Q
credibility-all
; v! U' x3 L8 j7 k;;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
3 @% A5 D! D9 z/ a# I$ W% {0 `
8 W( J& e8 R7 D+ Q& H& I;;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
! z9 G: P# G) }. `: bcredibility-one- E( m* W5 t! v% [, N9 C7 r
;;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( }8 f" u- x R3 L
global-proportion( e0 |/ A3 k7 O L, P2 H- W& T
customer" I6 z' ^& K- B. c2 G, P
customer-no- r/ ^6 T1 q8 @
trust-ok
' k2 R! Z. W6 j$ C3 h) Btrade-record-one-len;;trade-record-one的长度5 D3 M! H$ F, g5 t% Y$ E9 f
]7 Q7 Q- {" p: f$ A! X! W
* J- `- f2 }6 |* Z2 j;;setup procedure# _! _/ z2 X# R2 I/ o8 v
- {! r$ ?5 k9 n0 E0 U; k; x6 r4 |- Bto setup% q& c+ y, A- {
5 O6 a- M: I/ q: {+ lca, y9 H6 P6 r" y! w+ b5 h- Q( h
- _( z$ l, X$ [# J; E5 vinitialize-settings
7 c0 e0 G! @& Y6 Q$ Q
+ N0 Q) T: X l# Y$ N% Icrt people [setup-turtles]$ J6 M: G9 n e! C7 l
9 ^8 ?: j% _% F/ y; e$ treset-timer; C. }. V( ?) m7 g9 r
& t! E7 k, r1 L9 `# s! E& p
poll-class
1 r' l2 F9 d% ?2 s, M3 U* l0 z4 ^
4 x# r3 R2 R s: E# X3 [# isetup-plots
2 d( z+ Y6 j. |5 B6 o+ t1 J
/ x/ A3 s) U( C& Z% D4 @2 H% V1 x% Vdo-plots
2 \7 Y' `; b5 k/ R: V8 C, Mend
8 ]# i$ g( d' B+ T9 C/ f* f _; I! q0 r" D+ F: s6 p
to initialize-settings
* M# l# Q; M" L5 B$ D: O: A. n. r0 e3 g/ O; K8 y
set global-reputation-list []1 F% z" w! R! y8 \0 W3 a
0 u, `: J# l! d1 ?% X2 ~ \3 Eset credibility-list n-values people [0.5]' Z5 |# s' B+ t6 O* ^3 \' g
2 E; R6 w) I) Z; W9 ^2 F; U7 u& `* A5 aset honest-service 08 V% _5 v9 L% ~4 `
9 }3 w. h! S% K) Q" Uset unhonest-service 0
. c- G7 }) k( A
! ^2 s: S( E, V; d/ D) X4 n/ _set oscillation 0$ U. e( P9 `8 z
1 s' x. n/ ~3 p& [set rand-dynamic 0
J. B5 z0 D4 B6 [. Mend
E4 M; d/ P: x1 \& \- g. `4 s- S7 G* s+ Y5 N4 K1 R/ T& z7 _" s
to setup-turtles
$ m6 Z: }$ P' v! x- C4 `* g+ Q" Nset shape "person"; M& A. N3 d6 ~ O7 `% @# e
setxy random-xcor random-ycor" [1 b9 ^$ i7 s1 F* ^) i6 L
set trade-record-one []; a4 ^' t/ v7 r4 n
" e( z* C3 P6 H6 ~% H: b1 Wset trade-record-all n-values people [(list (? + 1) 0 0)] ' K, n, S( Z5 g! ~' M; x- [
. i5 P M! i- D9 h( v- j% ^9 yset trade-record-current []
. L) D" A( M3 x# Vset credibility-receive []
' ?5 F* S& C ]2 `/ w* Sset local-reputation 0.5
7 u. S* M8 R: m2 Eset neighbor-total 07 v1 `/ U- |+ u! v. ?! x3 Q
set trade-times-total 0
7 m {* Z3 s H& K3 _set trade-money-total 09 A; @7 ^4 o0 M* W" E/ j. n
set customer nobody% @3 I7 L, m; v1 V' i) H
set credibility-all n-values people [creat-credibility]5 d! S' B6 N5 U3 i$ p
set credibility n-values people [-1]
1 P* A: G# {+ qget-color
R* Z9 U( t2 L
* p* [2 x9 X, x+ l" l4 V) j- tend! \0 h& r3 p' h1 o h: T
9 o1 R' X$ T/ o0 y) M8 W
to-report creat-credibility+ w: i& A" R& W# {+ v4 o; v) f$ P
report n-values people [0.5]
, p& o9 K1 g7 s: D: U: G. Dend8 Y& ?% W5 S2 R& i0 A
* a7 C3 X5 v% k4 `" yto setup-plots; ]" T, w$ \. b u
3 G! p- K n9 Nset xmax 30
) f! Q' c; ^/ H$ A- {% v8 K
" @, @& z1 o5 e' X* \set ymax 1.0
5 [5 J2 h' q! u4 J$ B. i& k) G" n, i. N) J: Z
clear-all-plots
& G) h& Y& V9 D
# [; @% r2 K: rsetup-plot19 Y0 M! w; k6 B
+ ]. I, n+ Z: x/ O
setup-plot26 f4 f& P* ^; l) E0 q1 m1 `- \- Q
' F& u8 C& {- m s- ^3 a
setup-plot3
) }4 w/ O4 q Gend
' `" u9 ]% U" J) e# _9 Q. i
6 @9 W. @2 t& o, }) _;;run time procedures
& ^0 j6 k) u! T( f+ t. R& `. O/ p3 ?4 W% G1 E/ M) d3 I/ U
to go5 t6 m5 P& s' Y7 O6 U( X7 a
, l0 O( [6 a% F
ask turtles [do-business]
. T4 ~$ D8 {7 U' D8 c: Yend
* ?' f( D' k/ F' Z& Z' Z% d! y' N3 C: n8 p
to do-business
3 E. h' Q8 c( M& @% f3 E6 a/ C. }5 u& _7 H+ f# J0 x) D0 N
; `9 l$ S+ h# x) ?. K1 i3 y4 qrt random 360
8 b8 m2 h% o4 c5 o3 j* ]& d% z' S$ t: h, e
fd 1
4 F6 f) p) A* b# F; b# o- v3 j+ G/ K w* Z/ I. Q
ifelse(other turtles-here != nobody)[
, t7 U" g( {4 Y% `7 O9 P; ?, v. {8 X. ~" D% }' M
set customer one-of other turtles-here
; {- N1 E' L/ c4 B& y1 b* c0 ]1 w g# W6 u! k
;; set [customer] of customer myself
3 D! }" B) a' a1 o# ~/ F( V$ u- |
set [trade-record-one] of self item (([who] of customer) - 1)
+ f4 c% T: Q) f- e8 s[trade-record-all]of self
- E( h; P1 t6 ^3 t;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self( `6 ?% h( J' t8 B. W
3 I ^* b# p; H# }
set [trade-record-one] of customer item (([who] of self) - 1)
6 N, I2 F" p7 e/ B8 R( x[trade-record-all]of customer
" _8 X- a/ v9 J! d& d# A( X
1 c8 e" ~. g' L6 {; A$ I% H. Hset [trade-record-one-len] of self length [trade-record-one] of self
/ ]3 n3 U5 A2 b' x; I
, s) g' A4 \# _) L! nset trade-record-current( list (timer) (random money-upper-limit))# B- Y" p# @* }- l v
9 C; z7 J3 }% J; H! H: c$ Z0 Zask self [do-trust]
: u- E- G0 l5 c% F5 V4 e* m' A;;先求i对j的信任度
7 i* f, b0 A$ l; {3 ~9 w ]2 M' @9 y+ a% b
if ([trust-ok] of self)
' S* I; U) ^ T" I;;根据i对j的信任度来决定是否与j进行交易[, ~2 J, g; D, ^8 w3 t
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself ?0 B2 Q6 k% m4 p G2 U" q
2 |, Z2 Z8 i$ S8 v
[ M4 M$ d" l6 }! _$ i2 K
$ D! k" V+ p# ^% Xdo-trade+ `1 W3 l) V( S- b
& T) N/ K% P' ^6 e- supdate-credibility-ijl% ~; ^2 `2 C( ]. b
' u3 j: @6 H6 m' m- m `+ A. c8 l4 A# H
update-credibility-list
& ~, k0 @$ w" P5 R5 Y4 M0 ~3 ]8 p* N |& d
0 R& \' D6 o$ _( Uupdate-global-reputation-list
9 C$ g$ G. J) C4 Y
9 l5 F( x- c$ C2 E5 r! o; }poll-class1 j/ f# V" C+ L
* {& s8 [9 ~; I/ ?0 ?& Cget-color
5 w0 F" `- t& L
5 C. R( c. }% J! I0 d+ J0 [4 p]]& [, }0 C! T0 k4 b/ [, m4 C
, o0 O* n- {. [ y8 I0 e5 s;;如果所得的信任度满足条件,则进行交易
n) g2 f; z& P. s7 q7 i/ |! k( D; e( X7 N9 e% P+ h
[
' l% `) b: O! O1 M* B8 ^' f
; H# Q2 ^! I; R7 u0 `rt random 360/ g7 O8 S) M& V2 A; x# n
8 @) [, i7 E9 i
fd 1
K P/ Q4 y& ^( [, l) h+ \
8 J" q( v# R; ^+ V0 J" k3 h]" `+ k1 L5 u) G4 ?! o/ M" G$ `+ K. H
0 ]3 R7 b; A8 D1 g9 ?end' S Y/ _: E* u
6 E5 H- h6 v9 ~1 `
to do-trust , J) H+ U- o7 X# M# M+ ~
set trust-ok False% A% b8 K |9 K+ [8 G) W/ P7 S
4 Z# n9 a: L8 w% i* }+ P7 c( e
1 d* c& K& n7 blet max-trade-times 0
1 ?( ?. B6 m0 _ J% m& D% pforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]4 C$ i B2 u- {1 g
let max-trade-money 0
/ ]) r2 h( U; g- e1 Xforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
: t, L5 Y' P! o7 f; U4 d7 ulet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))8 h. `+ C, Y7 W7 u4 W# ?
) o5 h( H: D7 o5 s
5 c2 ~) o1 Z+ x7 E' Y J
get-global-proportion
. J. b6 ]% e" `/ D5 y' Jlet trust-value1 M, W& }6 H( m5 M/ D- v
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)
) i; `/ |4 A+ K9 T' Wif(trust-value > trade-trust-value). L+ i e8 ~& c0 q. F2 E
[set trust-ok true]
. W" a/ M8 `( n6 Aend+ G' P, |/ f" ~' Q+ ]) g
7 Y; x$ ~% o: [' Yto get-global-proportion
4 j `( ?3 _6 t8 A9 C6 O1 vifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)0 F2 q+ t& t+ G
[set global-proportion 0]
& `8 ?# m. y- _" M8 g, _[let i 0
: f0 H/ S. K% S9 Xlet sum-money 0' h% L" ?6 L0 m s6 m, x
while[ i < people]7 M1 e; Y. H' u) n: {& r# f
[) z: J; ^; o. p1 J! v7 n$ `$ f
if( length (item i
. Z7 L5 q3 m5 B- J8 A' C% h; D[trade-record-all] of customer) > 3 )
' \& \/ I0 f' @; s$ I[4 R$ `' d; @+ ^
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))( C/ t+ _ F7 B. [
]
0 ]# n; Z. M6 ^/ Z) P G# U5 o" U]) P6 A" s p+ g6 a
let j 0
" }8 j& }. G7 R3 P; L' C/ s8 {& slet note 0& F" x+ U' Y( N: h" l
while[ j < people]
- I; M0 @, u& K7 R4 ^+ P[
/ e' n2 N. j' j# L9 q7 Vif( length (item i
& t" m! u' \/ v2 w4 U4 ~0 m[trade-record-all] of customer) > 3 )3 X) n/ F6 t+ D/ ^
[
: u$ Z) q/ {6 q$ \! q" F; gifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)/ @1 N" ^8 r6 P) V# U' C
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
2 o. @6 \1 p: N+ x$ K8 F+ H[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]! N0 f0 I. X2 G2 F: Y% ~( K
]% E: w* q7 j! a, j0 ~+ }3 Q: R* o5 U( b
]" L1 W# Z+ z, P' n/ }
set global-proportion note0 X5 b$ @2 C) E' u6 @
]! K! _% `2 g9 ?3 l, I
end
$ s/ ]5 J, g% k, r
1 g' ^" w7 L' A2 M8 k" j! ato do-trade6 J* r! ^ N0 P( a0 l" O
;;这个过程实际上是给双方作出评价的过程( T; a, d; T O2 F9 ~) K9 a( x
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
4 w9 m# E; t- Q) C9 nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价* T" C) u" W4 v8 Z% D
set trade-record-current lput(timer) trade-record-current
; `) q4 z* l- t @4 P! |;;评价时间
. T6 e" \6 _' K/ Xask myself [
. f$ m& X% E# X. }$ P/ h. A2 S2 oupdate-local-reputation
" _+ ^6 N$ S0 V2 o9 Xset trade-record-current lput([local-reputation] of myself) trade-record-current
! s* l. k% C' j# f' O: W6 X& ~, y]4 I) D5 ?9 T- k% \
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself+ e9 X+ f7 P& L3 @
;;将此次交易的记录加入到trade-record-one中4 b8 `* Z& a% r2 i- [, l/ ^
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
0 A* m/ n7 w' p" x0 Olet note (item 2 trade-record-current )
5 v2 @ _/ Y7 e2 |, \ ^set trade-record-current
v# c( W \: N(replace-item 2 trade-record-current (item 3 trade-record-current))
- P- G3 U6 R$ Q3 Uset trade-record-current6 N5 u( I! R3 x1 I" U
(replace-item 3 trade-record-current note)9 d8 j3 J; f5 ]% J* Z3 {
1 J9 P8 E, ?, i
" F2 e; U4 {, ]5 j8 G- R- X- P! S
ask customer [
% ?+ V7 _0 T! I/ _$ b& |update-local-reputation# c9 N4 w8 h* g A
set trade-record-current
5 J3 E' l0 c+ |5 {6 w8 D8 n3 s(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) - c, @' {# Q( b& [$ @. g r
]
% q9 T+ N I) B& C9 ~
1 ?$ y$ O7 ^1 ]" Z0 E& m- w! N+ N# w2 e
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer! o, v3 C+ K# O3 j( x
/ E. b9 p& b; v; r
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))+ _1 [; j, E' K6 T1 P1 R
;;将此次交易的记录加入到customer的trade-record-all中8 V0 Y0 A: A- B; ~$ r# I8 W
end" A2 T/ j7 J. [: b% C: g
# B* A, h$ F s H. N* N
to update-local-reputation
_1 S0 e$ D; ?6 i% ^9 V. ~set [trade-record-one-len] of myself length [trade-record-one] of myself6 y5 Z/ [9 \4 E% |6 M6 h
8 T- u5 J* O- Z9 w
6 f+ h+ f% f+ p5 K6 H0 J( |8 S: h2 o
;;if [trade-record-one-len] of myself > 3
/ F9 I* U1 T+ D. \8 E1 Mupdate-neighbor-total$ g0 v2 B0 L8 o* S' L" S/ e( T
;;更新邻居节点的数目,在此进行
* A# X2 I# \+ r3 W6 \let i 3
% S& C) R8 J& nlet sum-time 0
$ z& N# e4 M* W% l; r% `$ {0 {while[i < [trade-record-one-len] of myself]0 C b6 Y3 f; b3 K; c9 a2 g- _. R3 M
[) ^5 [2 P% R7 ]2 T, H; u
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
/ Y* B, D1 ^1 k, Q# A9 Pset i, u. x4 ?+ p1 c8 S- ^2 J
( i + 1)
7 l+ o$ S6 ]' I7 t) u2 }0 u# X. m]
. Y6 H ?) f0 Q; S5 alet j 3) A3 E, F& T, A3 }# W7 S
let sum-money 0+ O& C1 q1 t* D( u4 H
while[j < [trade-record-one-len] of myself]
# n2 p& V$ P! i[) W- k6 M5 D7 U5 Z8 u# x
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) _5 a. N9 r% z5 l/ @
set j
, @$ e8 i* G/ Q- C" t4 y( j + 1)
' c: b2 w4 I7 Q5 \, W& b2 c+ ]* x]2 C4 W6 P5 y4 N. e% C& k; i
let k 3
$ L' b1 p o1 u& ]let power 0
: D& o5 w# ]$ o8 G7 g7 u/ S% elet local 0& {7 E2 D' m7 t |% a
while [k <[trade-record-one-len] of myself]
& W6 F4 P O. p4 y. O[9 p4 P# e7 G0 e
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) ' l& I9 M$ h2 }2 F( h& F
set k (k + 1), l* Q/ i, `# p+ M
]
4 q* n3 C1 J$ v& U( \% ]; n" oset [local-reputation] of myself (local)
/ t5 }* g. y* }: [( cend
- ]6 J# `8 L4 E# t$ f* E& ~1 T! z, E. @* b, }. J
to update-neighbor-total9 v$ \# b7 z# k4 h: b2 o+ m- ?
2 q( v5 {; B5 Z2 T3 x) G$ l
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
) C% G, P3 K- U& s6 a# Y* g: g j# s" _
4 F; ]: j! ~' c; ~1 v
end7 V+ | L3 X' `" m6 f' \& f% S
; |/ {( @& `2 a1 p- U- r
to update-credibility-ijl
$ F2 V6 S. O7 L% v& v
. U" j' M/ @- ]4 a& `! K' g. t" [;;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。0 n; B) z6 N g4 M% u
let l 0: [# ]4 r! w" h- X+ R
while[ l < people ]
- `8 }( T. @9 d;;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' a3 k/ t. s$ |; E$ w
[
1 y) O- L) @8 \% q0 Ulet trade-record-one-j-l-len length item l ([trade-record-all] of customer)2 m& j3 L6 C$ |! M' Z
if (trade-record-one-j-l-len > 3)) A) W( V' k" E/ ?
[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
" C0 a; Y4 s+ B4 v+ llet i 3
5 j) C8 i; f+ U# Clet sum-time 0
% S4 e, Q, i5 v' v9 u- d8 r, y2 zwhile[i < trade-record-one-len]0 J! @1 d. n: D/ B& j) `$ a
[! b. x1 x. V* i0 q; t! O+ b
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )* s, Q0 D. L) G0 l' N" o
set i4 a9 ~/ p2 S( @5 b
( i + 1). y5 L4 v( f& z5 c5 }# J! Q! G
]
$ u; l* M! \- G% K( \let credibility-i-j-l 0. i4 U5 Q+ j; l' k5 x2 f5 m! c' X) h' g
;;i评价(j对jl的评价)
4 n* W h3 {) c) |let j 30 Q0 R T$ Q9 U
let k 47 F4 w$ {, G% u$ M
while[j < trade-record-one-len]
. \9 I R# E8 T. q[
' e/ ?4 I% H1 P$ | V9 `; Swhile [((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
3 ?6 h( w1 F+ B6 M4 q# n; g3 Mset 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)
" v0 T' O6 G9 C) d2 M. Z& Q& ^3 aset j; M' E( `# U+ \$ T& Y) k0 J" O
( j + 1)
. g3 q' ~0 j8 `- ?/ K" W; K]( A; ~2 }. Z- d; ~9 H& Y9 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 ))
" [- A* b7 P& Q0 E$ V" H! E0 I6 g1 A* r4 v& D: p- j
, n" ]* a: B. M% \- y9 ?
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))5 \! t$ y& s5 y& z9 [2 U
;;及时更新i对l的评价质量的评价, J4 [; x0 G, J! L6 B
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
- e, R# n4 N( A' |$ |+ n+ O, H2 b- d. Qset l (l + 1)
$ @. P+ K8 _8 B p) M T]
' h5 W1 i. r. F- v! b* Xend0 M2 y# I8 k1 b- v, E" d9 [4 W
4 {3 |, d- _ O& q- N- ?( hto update-credibility-list
3 w6 G T& D( O3 O5 \2 t& [# f/ s0 qlet i 0
# Y* i5 S, V$ o1 _0 ~8 x& }while[i < people]0 m5 C, t: W) c, ? b4 d8 z& S% c
[
+ M$ X5 h6 c1 c" z6 W a; c$ f1 I* flet j 0
( t: n* T1 I' I! ~7 _let note 0
\7 h0 v R5 r& t) wlet k 01 H$ B3 q% Q8 i
;;计作出过评价的邻居节点的数目- c6 {) q$ t: |1 H: X" S4 o
while[j < people]0 Y- o- q+ C' Y( J6 S$ M% P( z' h
[+ T" S7 w' w/ U8 w$ O9 o1 p
if (item j( [credibility] of turtle (i + 1)) != -1)6 L+ T }. @1 j6 |7 o
;;判断是否给本turtle的评价质量做出过评价的节点
7 I' B: x% c W. O[set note (note + item j ([credibility]of turtle (i + 1)))
) m o8 H2 ]( x& M' v, L% Q1 U;;*(exp (-(people - 2)))/(people - 2))]
( c, u/ T, J# D1 Z& l- D" Hset k (k + 1)# D- }1 G! M- ?9 ^
]* U8 m* ~4 c7 x* P" k
set j (j + 1)
1 d$ w9 e: L7 L" W9 X# B]
j0 `5 B* }+ O. Z" Fset note (note *(exp (- (1 / k)))/ k)
, ~- q) y, v6 K& |( Kset credibility-list (replace-item i credibility-list note)
% C3 ?0 D+ H0 j7 m( t& o/ ^set i (i + 1)4 q8 j p2 ?+ u9 B' M
]' \5 S0 N u. N! R& r
end- r( V: Z8 [5 B) p" u: O. n; y
) C# q7 s8 \* M3 A% H0 {3 i) xto update-global-reputation-list
: A2 v$ u6 h E5 u8 c2 V. j( R3 mlet j 0" ~0 J8 }8 e' ?2 Z5 H: W8 z! ~
while[j < people]2 s2 E) Y" ]! \# r f! _- h( [
[+ l) f% F# A/ n
let new 0
; q7 E0 F% d C; f/ k;;暂存新的一个全局声誉% q L6 @1 W& ^- t
let i 09 y9 G9 D$ ?' p( h/ Q( V" O
let sum-money 0+ x, Z+ |1 L/ P& r3 g
let credibility-money 0
# M8 u( b6 q9 a: }: {& B* }while [i < people]
# \% f- i4 B/ W c: M" n- u% d[6 N4 m {: e4 e$ [+ d+ S3 `0 w
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
' F! S7 t) L4 S/ S' j: |set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
. Q# z, v( {$ s, T% kset i (i + 1)) d' a9 p' {4 F2 Q9 f0 q: |
]
6 C% n0 T8 h5 u2 V4 N' wlet k 0
* o1 z7 y; ~' Z& ~let new1 06 n( q) ~( e' l+ e; j: h% Z
while [k < people]
$ j) ]; s2 }$ z+ a[
) B$ Z5 \. Y+ z: N) Eset 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)
/ U5 C9 T8 f H( U3 W( G3 u1 V6 a: wset k (k + 1)6 V' g) [4 y9 ]# _/ m
]1 c1 Q0 F( b8 d) @! K- a
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ( y6 b, Z$ R" m1 k# Q8 Z+ A
set global-reputation-list (replace-item j global-reputation-list new)
' I# U6 s! ]% b0 K! E0 w! Dset j (j + 1): Q- @7 J" d; D/ X* u" S: X
]. S# J8 s, k1 U5 x# z$ @
end
& Q2 \2 M8 d+ h. D# O% f8 `
5 K( x+ T! m7 l o& T3 s. j: ]5 i4 r! `! b) K/ ?. p
- g( Y s8 u8 D# Z9 t- ito get-color W* J( J6 T+ T1 [4 c+ J
; o) k/ z: [+ n Z! Xset color blue
4 O3 z( v5 i3 Vend, W- ?. Y& l. w- z
( D7 \) H& G1 C' { V' P* C0 \! a
to poll-class
1 M' u3 |# p# p F+ }6 W; }) u. Nend$ t" ^1 A3 n; ~( M2 r
/ Y1 n+ C$ a N lto setup-plot1
; d7 t1 X5 ]1 I+ O- x; Q8 D( g
q! q2 I3 R% `2 Yset-current-plot "Trends-of-Local-reputation"
& W2 E7 N: ?% ]5 n/ A3 }3 X1 P8 y9 g9 C, S6 |7 B
set-plot-x-range 0 xmax
2 u8 @* D* t! _+ A$ p/ G& T6 ]3 @5 ~' ^
set-plot-y-range 0.0 ymax
, X; W- j1 f! r2 p* O4 send
$ M# P. _ |2 g, b/ E5 l; i4 V/ E1 c4 `, E, A5 U
to setup-plot24 k" n- A$ ~- q* j4 U' x" n; k
: s1 s9 l. d# s
set-current-plot "Trends-of-global-reputation"
- u4 @; e6 |( o& q8 \
- q9 A% w' u$ N9 Mset-plot-x-range 0 xmax4 n' Z9 ]7 B- r& X
" Z1 o r" b+ w3 A$ qset-plot-y-range 0.0 ymax
! S6 w$ |& `7 G! I8 S; Oend
, o& g1 D. B$ H+ u% g" M+ n, u8 m; z- @0 N1 p
to setup-plot31 a8 a* C' a4 J0 o/ a l' m$ m- ~
+ w: S/ r2 Q* S: w* Yset-current-plot "Trends-of-credibility"
+ H' H$ Q+ ~2 o$ i# j( M
! G# ]7 `% Z) L8 u O( m1 ?. `set-plot-x-range 0 xmax
, `: R! b& g4 y/ Z; Q8 G0 Q8 g# p. |% _" w# g1 L
set-plot-y-range 0.0 ymax
" Z/ n X( m! `" ]6 _/ l, Tend
- M; W% A* Z. G% \/ T6 w4 Q0 c+ n
( p2 k0 C* e* t! ^( ]( P; Y jto do-plots
8 ~7 P3 `/ n/ F6 `8 q2 l9 Mset-current-plot "Trends-of-Local-reputation"( A a2 ]! V* r0 [
set-current-plot-pen "Honest service"5 p+ ]3 P6 M; j7 R2 A) r- m" z
end. ?0 Y0 k" a. X% I& @
9 o+ R. O3 x' ]) S6 p[ 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
|