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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0 F/ R) R6 {, W( ^8 Z" l! k/ P
globals[6 {1 v7 {% V( B7 D N3 N. {& m# f
xmax5 I" o; ~9 l. ^" y" I' N+ [3 |
ymax
S& P9 } A+ o, jglobal-reputation-list
! W4 c3 y# X/ f6 S; i
' ]% r& {% i4 f;;每一个turtle的全局声誉都存在此LIST中
, F- F5 z! ]4 ?9 U! h* t9 y4 B9 Ucredibility-list
; o2 h0 {0 `. a+ a5 B: f2 r;;每一个turtle的评价可信度2 ]0 e S8 g0 C5 l# _+ q, v
honest-service
2 q' z1 W2 w+ d. Runhonest-service8 i3 V3 w* o, G; {, s' v/ f9 M: Z+ v
oscillation4 w; D! z5 W' ?4 l1 a8 r9 h
rand-dynamic
" B/ f' x1 N+ g0 \]& k, L: ?. i/ ]1 T
; c7 o7 f* X& O. F, G2 o% p
turtles-own[! S+ L: j2 m% ^% a* ~
trade-record-all
- G. H) t4 ?& Q2 |" v5 x1 X0 Q;;a list of lists,由trade-record-one组成/ M% x" `8 R/ A
trade-record-one
- T5 F! f; ? x7 ?;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录+ B( I5 K5 ^0 |+ n, i' G- `* x
# R5 p9 `- Q5 P! _- z) T
;;[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]]0 g- {0 w7 D- L
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]8 a" p7 F$ h1 r% n
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! j3 ?3 _* `6 C1 Q- g( M
neighbor-total
0 I7 j5 j5 u/ C, p# p0 S;;记录该turtle的邻居节点的数目
2 A1 e! b& ~3 A# \: r( _7 s* X4 P, ftrade-time+ Y& V3 s* ~$ v' l# N
;;当前发生交易的turtle的交易时间
" v4 S( d; j/ ^4 Vappraise-give1 G: M& n( _! r* P* R5 e
;;当前发生交易时给出的评价# o3 c. C' V) i# X$ B
appraise-receive7 u! M& e: {7 E5 x
;;当前发生交易时收到的评价
2 l9 P1 L6 E6 ?6 P# d; s- Q3 C yappraise-time
1 p8 g0 |: U* B;;当前发生交易时的评价时间8 {2 A4 }0 d0 Z) v; Q" b. ?
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
5 U& b" w T7 p3 Q( {trade-times-total
g* a/ k! U$ I6 ~4 s* [( A;;与当前turtle的交易总次数
v' L8 k: k8 Ktrade-money-total
- j$ w8 u1 Q3 d6 \! A;;与当前turtle的交易总金额+ u) g4 N, x6 Z- a
local-reputation, \) j( A0 m4 R! h' e: F1 a
global-reputation+ K/ ?% K5 s% S0 H9 X
credibility1 `& p2 }' u' S" P# }9 @# V8 C7 C1 G
;;评价可信度,每次交易后都需要更新3 _* a1 b7 u# |1 s' K& E
credibility-all4 w; z8 D# P6 T {+ R
;;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
5 G- S$ i3 P3 Q$ n. A+ m5 p& _( P9 y, E. 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
1 e5 U6 b4 E" z' Z& c5 h' y! Mcredibility-one) w; B' y9 `! f4 h
;;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$ G1 o: W8 g* \. W9 `/ i, [1 J4 Q& t
global-proportion4 M) N" k& f8 ^
customer# g2 Y* r2 ]7 }) T& y/ z. Q: w
customer-no; I. I+ `9 x, D7 i
trust-ok$ l/ f- G* V& c. s
trade-record-one-len;;trade-record-one的长度 [0 d8 V0 R. R& f. b" I3 I' `% _0 f- g
]
! Q' v9 l- i' E4 e4 k3 c- R$ ^. C6 b& V+ m1 {4 K; ?6 _* R, U
;;setup procedure. q. h" Y) ?' y# r: b" j6 m
( C5 A6 J. P5 ?* i0 T9 r9 D
to setup
9 H% K1 x c- A
; w. j, W) I- P0 b8 Oca
$ j" T6 t" w( _( W F1 |0 j3 _) {" {) B0 }# O! f
initialize-settings
4 ]6 K$ A6 ~; w
. h2 ?. C& [/ f6 gcrt people [setup-turtles]9 D" z4 e* _" P/ A
3 {6 a& E: z4 ]; b" ~: }' Y
reset-timer S1 `" g2 S" S7 T. j' d' T
+ X4 N: N- n" d2 v+ F7 J* l
poll-class
+ S6 U. Y& O# ~, w* C( i# O5 \+ B; x+ D5 X
setup-plots1 L; r$ B2 W6 } L& l. k& n
) Y( ?$ |% m9 O) u# N1 A& q
do-plots+ H# E+ r4 b5 ~! O6 ?
end
% l2 L0 p; O1 ]$ Q ~2 a+ K( L5 o# c- P+ A4 m
to initialize-settings: ?) U* s/ W8 V
4 }: G% W o/ W9 b c, ~" Bset global-reputation-list []3 s1 L% U8 F( S8 E! q
7 G6 G2 `) N& Aset credibility-list n-values people [0.5] i$ T- S3 {5 p5 C
. c0 I+ \9 M! W/ B) h
set honest-service 06 P) C: S' g$ x% {# D
) Z' S6 r* Z% g ^6 r, [1 L
set unhonest-service 0# G: p- u \) i# g {. d
2 h# M1 A* m q# S7 O$ Jset oscillation 0
1 X( s" C$ n# A- `$ `: i& D1 ], n* V4 b, Z" V; c4 Z
set rand-dynamic 0
7 l- z; {' N% @* V& p# Wend" ? A; a% |# K( g
`# ~' @% j7 C7 Uto setup-turtles
$ A% I, z# W( [6 E: ]& b$ v9 Lset shape "person"" I, b: o6 N/ D6 q6 l
setxy random-xcor random-ycor6 K) M! Z: u! }: a1 b* `
set trade-record-one []: S- \( M; q' ~
0 [# L+ K3 x9 D
set trade-record-all n-values people [(list (? + 1) 0 0)] 9 o/ ^2 T D, P/ X: k2 A
) K! c% o; T/ Y5 t9 G- h
set trade-record-current []
# x+ c+ G- P3 b* pset credibility-receive [] V: r' V/ ` q3 ]
set local-reputation 0.50 a4 ~. @9 \ d6 x' |
set neighbor-total 0
* `' ]6 K6 M- W% \6 z9 c, Pset trade-times-total 0
' _3 T& c" p* \7 ?3 }3 T% P* cset trade-money-total 0( j) G" A5 g2 M
set customer nobody
. I2 E2 ~" ]8 M* [! u, m* ?4 ]+ tset credibility-all n-values people [creat-credibility]
' {. h& l7 X: f/ b8 B/ e2 N6 A, cset credibility n-values people [-1]
3 a8 `# T* P v1 _ Yget-color. P2 u) o; N# D1 @
- @4 A# V) I4 z& B$ D
end
' x. ^* x, P" Y# s) H" o$ a/ N
}0 t' p' s3 h3 F1 U9 `( u7 N! Cto-report creat-credibility8 x( b2 s& ?) s% v: w7 E- i# z
report n-values people [0.5]
3 C" b% T9 ^8 y6 Pend
. q! w$ x$ p! Q- p# G7 E! x
3 q( ]2 ^$ I5 D: i* v$ Ito setup-plots# |- v" ~2 H$ g' w& V9 d) X
- r, ^5 c! T6 w. b o c
set xmax 30
2 o0 W& N- J6 a: ?, I+ }
5 C/ D$ U8 [4 n) xset ymax 1.02 U" |1 e* S' o# e4 [9 W- U
4 ^7 F2 ]* |( g. `$ `5 Y/ Cclear-all-plots
( o5 e: M& W! M1 q4 A
/ x# q8 m) A$ D9 y5 J9 s3 [setup-plot1
; A3 ?9 n& q" q: X% p7 r4 V7 t9 P. f% U# @
setup-plot2
& q; ?4 f! \, x4 J4 J" @
- D! L# ^8 X4 L; z2 A2 Esetup-plot3
8 z1 x" V& P% `. _- pend
! Z1 X0 Q6 q8 W) {9 F" {. _2 G0 a3 L' f0 z0 I0 e
;;run time procedures
$ }5 }+ n# Y8 j. H: M, v1 |1 w& M7 l# u
to go
: Q$ S" {& X* }8 ~8 A+ r* a, g% U- X5 Z& {) @/ M g+ _1 X
ask turtles [do-business]6 ?- j$ W% l {8 j2 V! j }$ u
end8 n! y1 X9 {4 @7 [, N0 o) p
, N- f- Q' w# Wto do-business $ f) Q. h0 U2 r$ a' K G- q
) X, x7 S7 x; x! J9 s+ A& k9 t
9 k' q$ a9 L9 @" m$ F1 Q, L( srt random 3608 U# k; }/ _- ?/ ]! M7 `3 {/ G
2 W: Y8 q% E+ S' Y6 N+ W+ M, S
fd 1& x9 ~, @3 N. p
; n, E. r3 W6 Q: H* I
ifelse(other turtles-here != nobody)[+ t9 b h# C0 N! X, \9 `0 l" z
: @6 V6 T( o3 A8 C7 `8 d( _set customer one-of other turtles-here
" ]9 a+ L9 G( T$ w% ^0 S" r
1 W9 Z v1 {' B) f: ]4 I;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1); D& @% ^9 D6 }6 S
[trade-record-all]of self
- S1 M/ u2 s9 \;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
9 B' Y) N2 ?* h# }
2 N6 U4 Z- | ~3 J! t4 _1 v9 Eset [trade-record-one] of customer item (([who] of self) - 1)
) P4 M4 S* f* k# g+ S$ T- O; n2 W[trade-record-all]of customer
4 ^0 D+ j2 Q7 ~' O! W* X/ {. t: c; X x& ]2 H8 W
set [trade-record-one-len] of self length [trade-record-one] of self
+ J8 l+ `- z) J2 S( s8 h% R _5 I) i: j- D' Q
set trade-record-current( list (timer) (random money-upper-limit)): @" x! g( ^& J5 p. j9 z
7 ]8 r* x2 a7 e8 H
ask self [do-trust]% W* z4 ~5 O6 U
;;先求i对j的信任度2 G, d! G7 f! s/ X7 F( X, F" I
8 o3 @6 f& e3 @ u6 T5 K4 g$ dif ([trust-ok] of self)1 F) Q0 M/ {% O5 m) i& d( p" x3 y
;;根据i对j的信任度来决定是否与j进行交易[$ C' L, Q2 e* J: L1 t# C
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself# r! E3 y, Z9 { y. h9 U
% ^: N9 I' e! I- g7 y3 |6 F! v[
. Y% j( K E" U( \' h6 H
3 Y5 y5 h/ U7 C, [7 t5 edo-trade8 q$ y1 n0 n g$ E) R& ?
* h+ r9 g p" I7 o) g a& mupdate-credibility-ijl+ B) v8 R- |# F9 t- K. V! t
1 G8 N( j" o# c/ x1 Q' Eupdate-credibility-list
& ~0 H0 S; X# @$ K% p& \3 T" n! c' k$ l+ S- n, U# i
8 F/ M3 \* ]2 {$ N' K
update-global-reputation-list5 [3 ^% G0 a3 q# h. @; o5 ?# X
! c2 E" P' c8 A3 _6 gpoll-class6 _7 z# [8 C1 d9 Y/ S5 ~8 g% s
6 q$ ~& W+ F& m! ] x* X1 C! R8 A
get-color
% I& `' ^' q5 R4 j3 Q3 V7 y/ S2 r- w
9 c! v0 V( p. A) c2 }]]& }3 t, c7 E* w6 A$ L6 @: X8 l
1 {7 F: I# x7 y1 I1 H
;;如果所得的信任度满足条件,则进行交易 W; ?7 g. Y+ G; u4 W
, M; T7 p6 k' C) j' k# {0 d[ S8 _" X9 |9 \3 d) N+ P- k+ v3 X
, I/ r$ H& w& frt random 360
4 B. o, F- v4 r3 h* p
! ~& o( `' g+ S0 K$ Qfd 1% O1 E; x& F$ A. W. ~* c
+ C7 N8 o$ g4 [* }3 O4 c. a! u/ ?! J
]
9 x* L1 `7 w9 Z [% x- H: L" B- V1 G9 K, q
end; {* n8 D* f& d9 l- K3 l
% N0 M1 T4 i; d' j
to do-trust 6 y% z7 q% g( {/ w
set trust-ok False) r! u9 E5 \# P6 y# m
4 R! {" H! W8 L1 X
8 ~9 h9 C7 c: S$ u: X# F9 \0 V$ vlet max-trade-times 0
" |$ x4 }4 n$ h% U* rforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
" m# P p" s1 ^0 L: @let max-trade-money 0: y/ y- j' \, K2 v' g# d a% j# o
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
) P) a+ A5 A7 glet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
# q$ O* d! g4 o' m/ U) a8 t4 \2 X2 b
U2 `# ~8 b* t/ S( d
get-global-proportion
% n8 }& w' T" Z4 j$ a" ulet trust-value4 v& L, S- p/ h6 N* Q
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" ]" {* o/ l* B
if(trust-value > trade-trust-value)6 ^9 f. X1 ?2 `* e- ?
[set trust-ok true]
0 s3 X6 _! m r" {. f" M2 O) T2 Nend9 }% s. C+ h5 m
$ y2 `: J. @" ?+ p) K! ^! |' [
to get-global-proportion
; G# W! Y# t( F [& Yifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
2 k9 e4 y' @$ w- Z[set global-proportion 0]8 l+ F, }5 v! n$ Z; s
[let i 0
" R2 R2 Y7 n& Tlet sum-money 0
0 I% C5 ?* M( ]4 q0 A3 I/ swhile[ i < people]) T- P' N: j" @4 t
[; o0 u# ?- d1 U7 O/ e8 F
if( length (item i( l% b9 b5 t0 I: T
[trade-record-all] of customer) > 3 )
& G" H; o/ N# A& X9 \[$ a, w9 X) |; v/ J
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
0 M8 U8 u. b" e f]
$ q+ Y x4 t4 ^% c]
! L! b3 a7 X A8 C! nlet j 0( W( m" ]$ a: A: D+ i, v
let note 0" |9 b1 H$ o& L. D3 c
while[ j < people]9 m1 C9 c/ c5 t4 x8 j
[( h. W: x* @/ g" ?) z
if( length (item i
1 \+ K: ]/ H% X3 ` a A[trade-record-all] of customer) > 3 )
$ K. n) g0 L6 z% ~# f; m! Q[
9 [" q4 F: e+ v" @! cifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)" U6 R4 V: Q. a2 J' L5 n7 `) Z
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
0 m3 q7 v/ j2 |1 ?& x. ?[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
$ ?, G' o" s% {. F$ r4 F]
" q G. f, d& F% g5 d" D& I]
7 A. ~& }9 _, m. y C& l9 vset global-proportion note- _, \4 k) a L" }/ |
]4 j% S" J2 z. [- K2 a* ?
end4 x! s% q# d. ~
% _; s) T- R; n" m5 ito do-trade
7 z# M7 C% u& ~9 g" h# D6 Y, e1 _;;这个过程实际上是给双方作出评价的过程
3 x7 i. X( f8 z( h5 P- I \& }) Dset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
4 d$ e G1 J, _/ B- A0 \8 G xset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价3 z# X! x. I( d, a% G3 E1 g9 {" i7 t
set trade-record-current lput(timer) trade-record-current
/ I: l \2 D! H1 v: T;;评价时间6 u y: l* d: ~4 @4 |. @. j* B2 d
ask myself [
" q' D8 H+ c* c$ o) ]update-local-reputation
* W/ f( e/ D2 X# R wset trade-record-current lput([local-reputation] of myself) trade-record-current
3 d+ n) ~) a5 z+ u4 T]. e6 T5 b; O! M
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 _6 R& C# }2 h7 w4 Q) n' ]
;;将此次交易的记录加入到trade-record-one中# N# Y8 m) e! G
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)4 z1 D5 ]6 O( X' L0 _: C
let note (item 2 trade-record-current )
, Y a% X- h' \0 d& e+ J" Zset trade-record-current
7 {* u. [8 W9 C7 m& m2 K% H2 W(replace-item 2 trade-record-current (item 3 trade-record-current))
$ b: p; T/ e& p5 r* ?set trade-record-current, S& e! U8 T5 \
(replace-item 3 trade-record-current note)
1 \1 j: x) {& }# e1 m* a/ ?4 y& A7 b {
0 s3 @6 S& Y0 w& h5 A4 S zask customer [, _7 \/ c+ Y5 C h9 v
update-local-reputation1 u, V0 O+ F; O9 u( j. u
set trade-record-current
. a; K+ G+ K& B8 f/ ~5 R(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
S5 S) B$ {7 Y" G]1 {( d) G& H5 f. p4 A
& G: b8 Z: V/ |' f
# x: q4 S9 L- @# L
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
8 x: @) C% Q' H9 L) r5 C# j
O# t. V4 d9 p B" Q t+ d/ b( _set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer)) [% S( l& V6 l$ Q: t. z1 |! _5 m
;;将此次交易的记录加入到customer的trade-record-all中
/ A9 A0 J7 d3 |' l1 B6 Y9 d7 x- ?end7 C' V8 F* Y# `0 O
. `/ f" \6 u4 B, u& n4 |
to update-local-reputation
& E2 o& {' C( w& O% [1 E( T) Pset [trade-record-one-len] of myself length [trade-record-one] of myself
3 b8 I, y" a; A- K2 J+ t7 C
$ o) Y' j9 h% \8 ^9 g
& T/ w; {" u0 r3 K2 F" y;;if [trade-record-one-len] of myself > 3 2 ^, J# u U. Z4 L
update-neighbor-total2 S& O3 o* b7 K3 F2 p7 T0 v, X
;;更新邻居节点的数目,在此进行& y- ^5 W9 ~3 l; m# L: u% m5 u
let i 3- G0 m/ ~# M8 u+ e0 n5 e
let sum-time 0
! x2 e8 F; z |4 f- uwhile[i < [trade-record-one-len] of myself]
; {. ?5 q; P" u/ R% R[5 ^ w! _- f2 ~. H2 A: o1 [9 ?; z+ q
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )7 ^+ e2 G, s+ C
set i
* Y$ H) ?# c% q1 Z C* K, x/ ^( i + 1)
9 I( v- h. l3 n% [% H( M]& e. h5 S: J0 G& }1 ~
let j 3
7 k7 ~7 K& c0 u8 ^* D2 rlet sum-money 0
/ m% A8 T; y9 q1 _- Y8 q, _1 U& Swhile[j < [trade-record-one-len] of myself]
3 S! `5 k/ Z7 m[
) [# f% p: J6 L( n4 gset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)9 p* T' w, ?& E( l* D
set j/ E4 u8 Q9 |2 [8 m/ Z' t
( j + 1)
! i& A7 [ l/ c: E( _) a]/ v) t$ h% e2 j$ j; `
let k 3! L' z- f3 M4 }& X: y$ ^
let power 0+ s- w& p: c/ B3 _. T% W
let local 0, P* h' R5 n5 ]7 ^8 A4 A! H( V
while [k <[trade-record-one-len] of myself]# L; P) v% O6 R: S, {' V- I ]
[" G9 {+ a3 y' n6 z
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) N" s* x% o- v, s, q
set k (k + 1)
8 w9 C. t% X; N" {7 [# ]0 }$ I" M R]/ h$ Y* b7 A _, X2 `, R8 I- W# A
set [local-reputation] of myself (local)
+ n4 D {/ V$ r7 {' p) `+ j- B3 c( zend2 s7 F% Y8 x7 S7 H) G
% \. g# G/ u% ^# G' q; E5 L) r
to update-neighbor-total
: z [+ P8 x- ~5 c/ {0 C g' R# }$ n# R& B' n
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]# l% i7 P9 O3 m( v, Q- o
6 A# j' M- d+ P A4 O6 }. ?/ R( m! h# S
end
% g( h9 k8 Q! a* {2 M _; W, j+ e- a3 R
to update-credibility-ijl / o R; u2 O: r. B1 ?% z
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;;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。5 F; h4 l1 H1 i* R3 f; Z
let l 0" F* k9 d) z' L; Q; K* b$ ~2 q3 ^
while[ l < people ]
3 Z8 M8 ^$ M+ w/ _3 r- Z' e. s+ k;;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
9 L& u6 Q' Q3 g Q( g[: H3 w( F2 |0 E j1 m! w
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
5 S h* m7 x4 v0 }0 aif (trade-record-one-j-l-len > 3)
8 }3 b0 E& a0 s% Q! V3 `[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) E0 ~" C/ ^- I8 D9 l9 L% l4 ~& r
let i 3' T o# X5 v0 W9 }3 y
let sum-time 0
/ j' y' E. P( Q; o7 mwhile[i < trade-record-one-len]* }* A9 Q3 d5 F' _& H
[
' S8 ~8 m+ J: f+ q5 r) V1 Aset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )9 p8 W4 X& x' N7 i
set i
$ k$ `- L- h1 {. F) [" C: c: F( i + 1)
% Q! ]1 z, Q/ \ h$ P/ q8 J+ h/ L]5 X% ^+ L2 v ~8 |, ~" S y
let credibility-i-j-l 0
. q5 c; S4 b7 N l+ [0 b( b;;i评价(j对jl的评价)3 g- f+ ~& O& J7 a
let j 3
8 l( u% h& r0 q4 P5 e* Nlet k 4& o/ O4 G! \+ B h0 A& `
while[j < trade-record-one-len]
7 y7 T$ o. u. K' F, L[
x' s8 ~4 D8 L* 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
4 T+ R7 |; X$ `+ `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)0 a3 {+ Q( }( w4 p
set j
9 [% n. V5 S+ j, c( j + 1)
. |8 a! @, S4 D, q( K8 z]
' N/ `$ y, x! e8 N$ Z7 Lset [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 ))$ K$ A% {1 e( f0 @8 W/ K0 [
3 W4 O/ |. j9 Q5 x- t7 A9 @2 H
. y* p8 m6 \+ x/ `6 plet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))% r4 p9 B) e a& |
;;及时更新i对l的评价质量的评价
4 r' p2 I0 t% A% Zset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
: K, a$ `- O# I' Bset l (l + 1)+ E% F: X; Q4 E I( L
]; L7 g9 o* {8 p% G0 R
end4 x7 i$ X }$ P9 R6 A7 c& U
[3 l( {" S9 F& o; j% Z' ~4 s
to update-credibility-list
, ], A- t: O8 r' |let i 0
6 w d1 T, j; f. ]; H. A" ewhile[i < people]
2 k- _3 _7 Q0 P. P' [: Y9 `$ w& R[
7 x: x- o6 L& |. Tlet j 0
8 {, n7 \& n1 t( y* flet note 0
# v; N& Y3 Z) H9 c3 Slet k 0# a {% R: \6 @- L4 A+ `
;;计作出过评价的邻居节点的数目. V0 l: F) o2 ~( T* x
while[j < people]5 H7 @8 h4 y, y
[
, ~$ Y# _) @ W$ N/ B0 gif (item j( [credibility] of turtle (i + 1)) != -1)
) W: J7 Y; `6 ^4 Z6 t, U;;判断是否给本turtle的评价质量做出过评价的节点
$ _ g7 I: H& S[set note (note + item j ([credibility]of turtle (i + 1)))* g h' F! K0 i( u
;;*(exp (-(people - 2)))/(people - 2))]
8 V4 a4 S4 C1 K* {( ~set k (k + 1)
; @" w' d$ Z4 L, }; W. _* u]
0 w5 J8 C/ L) Cset j (j + 1)% f- S& \( p, ~
]" r$ _# O' V9 @, U ^2 H0 @8 B4 G3 a" x
set note (note *(exp (- (1 / k)))/ k)
4 ]0 ?; B! O z0 Bset credibility-list (replace-item i credibility-list note)
8 Z p0 a9 Y& M; K; j2 hset i (i + 1)
* j# }; W& X8 z$ s0 J]
3 ^5 E* {) R6 r* W' K" gend. B4 T6 \" g0 a* x
4 Q3 o9 E" k# J" O) D- `; |" l8 ~to update-global-reputation-list
! B' f _' B3 `$ S( alet j 0 J! }% S' O) V' l- z/ h+ I
while[j < people]. G g, y6 x* l/ A
[* G9 o& f# W2 H+ _1 v8 G. [
let new 0
* j- C1 I3 O/ f3 O; [& I;;暂存新的一个全局声誉
9 W- f4 [/ @7 B& U( Xlet i 0$ h. R8 B3 i; k& l! y; H1 f" n+ v
let sum-money 0
2 b4 ]+ h. m+ u" ~+ u/ I' glet credibility-money 0
: ?- |: ?. h1 R) K5 Hwhile [i < people]/ V( f" ]5 n C$ H: ~
[* i/ [; A* T; i9 r' K
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
' [0 h1 c/ D# a' |7 E: Y [8 v! ^set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))6 [' v. K2 T/ d7 C
set i (i + 1)/ }( ^ ]1 ]4 @* m5 l% _
]
8 ~" W8 f3 Q u5 Jlet k 0
5 _, r) s0 K% H* [, R- b7 U8 elet new1 0* N) S5 q4 T( R. O) K, U
while [k < people]9 ^! ^2 b# U* s% G
[
- f6 r* o% u8 Q" 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)
& q3 z0 O8 u' ]& Eset k (k + 1)
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set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) / S9 i4 T* q0 ^# e
set global-reputation-list (replace-item j global-reputation-list new)
$ T2 {( `7 ?* D6 \2 Qset j (j + 1)8 E( f! O) x0 [8 L" J! t
]
) \8 [4 E, v# N8 ~end' m% _ Y. e5 H' Y+ `$ ]2 r! E
2 h+ c. G) x6 r! [- \' K" J
/ H9 S" |5 f9 D8 |# k5 x9 q
. M' }$ C# s3 w! ? s& a8 y* c9 ito get-color: Z- F+ Q- x" l8 o, W W
6 p) r/ \+ j; h% e) dset color blue
; M5 C) d+ e2 xend2 e/ S: n- P F& d2 `8 f- H9 V: Z
6 N9 |9 \9 L3 ^% S( [9 ~; }to poll-class
! D2 C: O4 S/ w4 fend
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& v0 f S) A8 k7 p; ]# M: P7 P- yto setup-plot1
' p8 ?$ Z V' Y* O4 _0 Q. g- M# `3 g( ?% q' I/ M. H3 s( F
set-current-plot "Trends-of-Local-reputation"
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% F; @3 y! Q3 B! h D" l$ Y+ [set-plot-x-range 0 xmax2 p( t7 K/ h+ A/ y3 V1 F$ f
6 {! b+ Y/ W5 F: y* A- D4 H
set-plot-y-range 0.0 ymax1 e+ D8 m7 l3 R& w" s) F! o" C
end
& q6 Y) f' a2 D
$ |- T. i# p* j( Rto setup-plot2
+ ?. f% h. v& v$ q' [; i. M& I! w. l, U% j( r% m$ g& U* E' X
set-current-plot "Trends-of-global-reputation"
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set-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax3 \. M; p& g+ D4 v$ E: J1 c! g
end# h- g% H. n: n
% p7 _' C1 u) C( r
to setup-plot3( A) s" m) f1 Q% W6 M
/ l+ J" W% F" ^0 S. ?* s$ ]; xset-current-plot "Trends-of-credibility"
: x! |% q# k, l4 Q4 |8 L: r
) r0 S) A+ v8 m+ N9 x1 qset-plot-x-range 0 xmax
' v4 S4 d+ G# s2 ? c, ^1 Y
* R2 [. L( |7 u7 vset-plot-y-range 0.0 ymax% n1 y0 y! b( N3 l1 `' y
end: N% @; c. q% o: p$ d
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to do-plots9 |+ ~2 C# j' Q! Z7 C( y
set-current-plot "Trends-of-Local-reputation"
+ |! ?2 {2 y9 [set-current-plot-pen "Honest service"6 a, H& \' H- E
end
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! e( s8 `( ]. F, ~" s* l[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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