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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
, P! X& x, `8 j" Kglobals[$ n6 G& ^6 F, F1 R
xmax
3 [* U+ U' j& E. A i- |ymax
3 [7 O) g) L( `* z" t2 Dglobal-reputation-list
2 d6 W, T4 N3 ~/ Y) ?0 k* w0 M, q. R' x8 B6 a+ `* C) `
;;每一个turtle的全局声誉都存在此LIST中: T1 R. m. l N( d" U8 V
credibility-list
6 v5 f% L g2 j5 W/ L( F% Z;;每一个turtle的评价可信度& `; C4 q8 |! s- Q, ~9 d
honest-service1 S% S6 t% D. U- B6 M# ]3 C
unhonest-service
) \2 P+ X+ C$ O. a) q# eoscillation# x% K* h7 a c% C, W
rand-dynamic
3 s0 d# n( E6 M% ^+ v% a; O]" L& ]# k: a- o" G' ~ ~3 `# ]
3 I# y4 |) `2 l& Eturtles-own[
. G: f, e) _9 D; ~% N, v) [. Dtrade-record-all6 s$ Z/ u9 k# P; |
;;a list of lists,由trade-record-one组成" w2 W2 e9 t I
trade-record-one# Z' \6 I9 d2 e. G$ t
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
# l, Z E. Y' _1 F/ L, n' l$ B6 f' J$ y0 u/ {# A+ S) ?
;;[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]]# {5 l5 n! @7 @. J8 P9 I" m' s% 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]
, F0 M5 Q4 a% m! 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list5 n# p2 s2 n/ x
neighbor-total
* ?& Z3 L6 e/ Z& N;;记录该turtle的邻居节点的数目! K- U' r% ~6 ]( [0 L) w
trade-time3 q0 J! d `8 s( D
;;当前发生交易的turtle的交易时间
3 ~3 y5 C d7 S! P1 cappraise-give
5 e* g& |, s, A, D+ p;;当前发生交易时给出的评价' r- Q( e4 A% b' y
appraise-receive9 ~# | H& k' a$ l; l
;;当前发生交易时收到的评价
2 Q* [- Z9 I" F' Yappraise-time
% ?9 Y0 D; e, D5 c9 u;;当前发生交易时的评价时间9 I* z+ z: J7 _( A
local-reputation-now;;此次交易后相对于对方turtle的局部声誉% a$ C1 U N3 y1 Q& g. e2 j A
trade-times-total- V5 |8 M/ V( }6 D' ^' z5 U3 r
;;与当前turtle的交易总次数
: R* ]3 @( v7 `0 @ W; htrade-money-total3 b3 T6 O' Y* F0 [) X0 h
;;与当前turtle的交易总金额/ w/ W, {. ? j0 l! R/ R* R* y, s
local-reputation- P6 S9 V' M G& @4 D7 y
global-reputation$ z" g8 I# t; X u- G2 Y
credibility
, d" Q" [9 Y9 E;;评价可信度,每次交易后都需要更新
0 ~8 W3 T9 U& y) |credibility-all7 ]* {- ~1 T! Y; h" c% H2 Z
;;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
! w- w' L0 @" z0 }; w. ^2 h: B
9 _. m; q% }9 F( ?* c. i( K;;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0.57 z# w( |3 T: K" ?+ r9 a
credibility-one0 O" G# I! ^' Q3 h3 W- w
;;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& T3 t' V3 [. D* g3 ]! m2 ?) h/ e. G
global-proportion( K: v3 f3 W8 y+ t) a
customer( {# g5 O$ H4 E
customer-no9 U: I* o4 c+ ]. K/ _; a
trust-ok! R3 h7 M/ ]( X, C8 P& p
trade-record-one-len;;trade-record-one的长度6 k5 g" n+ p* R f) G. a, k
]
; k5 l# z' R, M( L, R
6 b- d: w: Q$ L4 U6 l;;setup procedure
1 h- M% r- e- ~* g: f3 R
5 O7 U& e: m* H, Kto setup/ I r7 ]7 F/ ^. e: Q6 X$ F
) [/ T/ O: o2 |7 q
ca
! n1 ?1 S7 F3 k
3 ^$ {- N% w7 j( b9 |% tinitialize-settings3 J- `% \# f+ I. }2 h2 F, U6 G
2 ]# n! S5 |8 q! A# ^: N
crt people [setup-turtles]( m* z$ L3 a7 H3 X7 M- E# k9 C
! m0 O$ r9 f& u7 ?9 B9 L; {7 G) Kreset-timer. m4 M; N- a9 [: m$ T7 ?
, w* |, S5 v7 L* _9 ]
poll-class
6 k! h3 W. m: q3 ?+ h* Y/ T* t
7 t: r2 `' P, S6 w5 Zsetup-plots1 w# T) D# D' s8 _
0 `( f7 m4 F9 S) q* }5 Ydo-plots
( q) z$ ]8 u9 K1 U, Iend
$ n6 u& M: r* w: v z# ^: c5 W6 Q" c( O8 ?% U( t# L! b
to initialize-settings/ v" m% e+ Z7 y3 G, O2 Y
z) N3 X# \5 \6 j
set global-reputation-list []
4 R9 h7 j( ?! d# U$ T9 o' q8 k
; B( C5 m) V* P4 d9 ?7 w- ~5 vset credibility-list n-values people [0.5]
/ N3 Y! c# F- O0 E/ ^& O# C
' W9 z8 B) Z1 _% ^4 b B" q3 Fset honest-service 01 |- `! i# R6 H4 X* n8 j$ c
$ I5 N' k3 i. i
set unhonest-service 0+ E# f- z+ Y* A! R* N% [- g
2 Q0 |! q0 h( w/ J/ Eset oscillation 0
2 d* \: j6 |8 G
/ n x7 i# J/ d9 ~: u" L6 y2 y2 mset rand-dynamic 0; b7 t/ `/ ^9 Q+ \" g A
end4 W' d, O1 p1 S$ ?: x
) g( j! K, i" M! e; z8 x
to setup-turtles
" o! T ?* w9 d* v& x" S8 oset shape "person"
; \3 o" X3 c, E( R, m- Y+ k- rsetxy random-xcor random-ycor9 G1 e, h/ `0 ]) R" a/ i0 c
set trade-record-one []
; H- h. G3 W; C/ R9 D
4 P, _1 \! w- q& {+ K' K# W3 p; ^4 Eset trade-record-all n-values people [(list (? + 1) 0 0)] ) T3 M# H( k3 `! @
5 M3 r1 { M `set trade-record-current []
" }+ o; t+ d' [2 Y. I( |3 Dset credibility-receive []
% s3 E) n) o b3 z' ?set local-reputation 0.5
0 m( S- E2 D9 q& X& _set neighbor-total 0
5 C$ P! A9 u4 L$ v+ `set trade-times-total 0/ U s7 K3 n/ X% l$ ?. x& [
set trade-money-total 0
, K' g2 u. a6 c3 d* O/ m qset customer nobody
- ?+ ~! c6 G5 F0 [' D4 mset credibility-all n-values people [creat-credibility]
# s$ u. x* \$ u8 K( nset credibility n-values people [-1]
6 n. G7 f7 {- G) c( mget-color
) R3 D8 J; X$ Y, o5 X" c; Z6 v+ F3 ?/ O4 ]1 {& [
end+ c4 `9 G. P& F" v: h
. k5 T& ~# b8 g' X8 k% }to-report creat-credibility
4 S0 c R5 h6 T2 c6 b3 n l1 i- s) Xreport n-values people [0.5]- T/ w: G: {, w, ?* \! `/ S7 ~
end; @ W' `5 D# e/ \
; J# H) G' ]' G( R/ i% ]) ?0 ]9 Hto setup-plots
9 F# w% n4 ]9 N1 L2 ^; x( A
B. |" l+ h+ n: d/ H3 A8 u8 ^: dset xmax 30
! V$ w- C$ N2 D! ]7 m+ I( Y- {9 r' z
set ymax 1.0
0 K$ q9 R. ?; Q4 K+ V+ j. s$ }/ J! @4 m6 k$ }" v
clear-all-plots
3 E2 A- \9 j% ?; c; u6 \
( O1 v: u g+ R( H- O) x# Q4 vsetup-plot10 M8 H) R6 @. ^& B5 q* |8 M
) w/ V2 Z7 W3 [% ^( Psetup-plot2
4 j H5 C+ U9 u& o/ I% ]* e( A1 Q/ S& k/ u4 d
setup-plot3+ l7 S6 C7 B: y0 U
end
: Z$ E! B7 R6 N7 q, A# N6 I
/ [1 d K, b+ `, h$ z+ ?. L/ c) k+ m2 K, \;;run time procedures2 z" m X# P' Q# s9 a9 ]# g
3 a/ b1 V( B6 Y( v1 R" c4 {
to go7 J3 a; d3 X! y W8 @3 a( P* g
) P0 [" o1 c3 g( W( i8 ?
ask turtles [do-business]+ y. y% ]& V3 N, ~( s8 q
end
% G8 Y/ A! [& D D5 I" P& E: u
% W; h; Z) ^1 u4 J' t! D& F1 {/ uto do-business % |+ i9 Q1 V! p" a! ^0 M: H2 |
7 W7 _, F# u s3 p* M" O- o
; a6 @4 T. }% T( Jrt random 360
7 ^5 i. R! l% I* }( d, O8 ?3 B
fd 1
( F0 |! R$ E2 y2 t1 `
- A, i, C, {' ]! ]6 ~' c! O' P8 yifelse(other turtles-here != nobody)[' J+ m1 X* J, c I( K
; X+ u1 X' ^, `; w
set customer one-of other turtles-here
3 z/ W7 [6 D8 \" I# k7 l% E" y
3 c3 J* r4 Q. O1 N;; set [customer] of customer myself
, U; u* m; |5 @( I* e' F2 W. z+ N) m- m& }; P2 [
set [trade-record-one] of self item (([who] of customer) - 1)
$ s( f3 {4 d, R[trade-record-all]of self
4 x* M$ L8 @5 P! R& b;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self5 F0 k3 X, S3 K/ C `6 f: ~
) D! }: f; Q5 V l' C3 b" c, M
set [trade-record-one] of customer item (([who] of self) - 1)
- g$ M- e5 L* I+ R& {0 s[trade-record-all]of customer
" |( d9 X% C0 `5 D) \$ Z2 G" a, ]. \0 j$ f8 T+ l
set [trade-record-one-len] of self length [trade-record-one] of self& h* V' l. E, L2 R$ D) D
& J" W) t& h) w( Gset trade-record-current( list (timer) (random money-upper-limit))9 x5 K6 J9 i0 b7 _6 F4 `' H
0 g- _& a9 W. C: h
ask self [do-trust]0 b# M+ v! j% u, E4 \& M
;;先求i对j的信任度
% x3 K- k) d. l; g' m: {4 s. T5 d, ]. \& g* g
if ([trust-ok] of self)
: G8 k- h& }2 f5 \! I2 f;;根据i对j的信任度来决定是否与j进行交易[, U6 C. ~5 V- F- f4 s' H' y) ], s
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
& N6 l7 i7 `7 N% U) u1 v
; \4 ?" P4 ~0 F1 P6 t2 ^! Z3 ][% i" e& T' t5 ^
- f6 v& w! K( Ydo-trade
9 {" I5 O5 I+ i3 {0 j6 a* u7 `1 L! b: `1 u i7 N& _# l4 a2 w
update-credibility-ijl# Y! h4 I) _. s7 c, b- W$ _* g
5 N' x3 R4 |, F0 H/ s' hupdate-credibility-list
* I5 G: b& Z% R) i' U7 d- O
5 }- x* W& c% f0 c& \
+ O b6 g1 @& d; }1 R! X# U" O# y/ Y) \update-global-reputation-list# v6 t0 f9 |# f! E
# s/ b9 v2 D8 E( r) N2 s( m4 g
poll-class$ v4 G; ~& x9 p$ J' ~
# x& M" p, n+ a v5 M2 v( j
get-color/ i5 d$ N8 `' G& u7 j4 V
% t& a2 Q4 P) D1 @$ {1 {
]]
, |0 E" x( T" I0 Z2 K% Y
1 X0 k; t8 ]3 m9 }# D. e1 Y1 ?8 D;;如果所得的信任度满足条件,则进行交易+ J' C9 a1 a8 x2 m" m: ]
6 {$ ^/ Y4 Z5 P @) b0 b% r4 O! i6 U9 w& w[
; H8 G7 K0 A0 W: M% I$ u; B9 o+ ^/ e# Y1 R8 B4 I6 o2 R
rt random 3606 J! a8 l0 q( u- f
# I8 U7 n. h1 }9 |9 W
fd 1
% D8 ^7 w1 D$ a7 O3 @* U
* h# j& ~- Q z" I( i]
( A% ^9 K6 o. `$ U' u8 ?! t- Q: U: }0 b8 G1 E2 B) c
end' h: s7 U& R% V6 {& t
; X* Q2 ?; c% k9 Sto do-trust
/ M2 J) Z7 Y% F; \* Q! O. }# kset trust-ok False/ u6 W% C0 v+ B
+ ^' T( ]5 V- A
" q( @# u$ v) l9 s9 i. [- y5 Y
let max-trade-times 09 ]& @/ W5 \2 {9 G3 ^& p* Q1 v
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
/ \* C9 @- P7 K9 @let max-trade-money 01 a& h/ ^, { J% N+ A2 l
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]], i) i+ H4 t% U1 A
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
o& u9 ]+ h$ _0 R, t8 t0 b. H) I! L
( M2 F. G* I6 C' C( |- d3 G( e: P0 P
get-global-proportion
6 L; b6 z9 ]/ wlet trust-value+ g* ^; {$ E. K, t2 E
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)3 g) v( v" y+ ?
if(trust-value > trade-trust-value)
% I, q1 F$ ?+ r9 G7 H[set trust-ok true]/ w* X. N8 Y7 _: H+ n
end
r x# e0 c, w: i' B+ d9 A3 d1 I7 d6 z
to get-global-proportion+ N# }7 P! a# U
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
! W4 l5 ]1 h8 V$ {[set global-proportion 0]
/ T0 n8 I ^7 y! }[let i 0
. [# |2 A3 Z5 G! Z6 }) mlet sum-money 0
; U* ~; M" h- mwhile[ i < people]
; [. L3 n* \9 \3 q/ ^2 J7 z/ }[
0 @) p. \/ F O3 h2 U, q) [$ Sif( length (item i
3 k* |; V: O* p# }0 b. A3 \* ?[trade-record-all] of customer) > 3 ); }% B X6 }& M1 {+ L, q9 E+ }
[/ @- W3 g# }! F H4 }- z
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))- E% E4 `1 ?5 L: P
]
% ?# H( @/ E: e' \! u]
. T3 G+ P4 c4 B! G$ |let j 03 }% B! B7 `/ r: m% a
let note 0
' b" k2 }0 |: c$ J0 Fwhile[ j < people]" W% j, Z1 t8 g! F5 H
[
% L' v5 \# _$ X) s! Kif( length (item i
) r: P; X, l. {7 g3 X[trade-record-all] of customer) > 3 )0 f& {' B3 T! O/ D( `, h
[
( |+ ?2 P2 g) }; `, k% Xifelse(item ([who]of myself - 1) [credibility] of turtle j != -1); x! r# u# ~3 h9 E: n$ k2 ~5 E
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]# v5 R" F0 t6 K3 Q+ D& c7 g
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]' @" I% E. D! {* r. n
]
: I1 ^" `' O) e, ~0 f% Q]- M. j( T, O1 B/ U! c: ?' b4 ~
set global-proportion note
0 J; v: |3 \4 ^1 b) l]4 { o2 ?. \+ I1 e2 d- \7 g p2 q. K
end
. r4 e# q) h8 z) E6 a* D1 u# {# ] I2 I- Z' ]
to do-trade
& p, r% l# ^2 U% _1 n+ [( T I& e;;这个过程实际上是给双方作出评价的过程. b6 Q8 @! b; ?+ j9 A0 z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价8 x. F) ]' I/ i3 x
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价6 c6 c8 Q- w M; }& J6 e/ |
set trade-record-current lput(timer) trade-record-current& a# Z5 F+ n$ l; h6 o6 ?6 O: _8 W# N
;;评价时间
- `1 T+ C4 O$ R$ O8 R6 yask myself [" g4 }2 v& C7 o! R9 q. T
update-local-reputation
3 h0 y' r: H8 \% }set trade-record-current lput([local-reputation] of myself) trade-record-current
( I" e* u5 e+ e; x]' t$ a' T% p- k$ ? d! Q/ n9 ?4 H
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
& n5 d0 Q( ~+ k) O5 Q. [: _;;将此次交易的记录加入到trade-record-one中8 Z' G" c4 i" b
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
: `& Y5 F8 W& \6 q' R) @& F6 r8 ~let note (item 2 trade-record-current )
9 E$ B# k/ `7 ]6 vset trade-record-current
- i1 B5 o% C- ?% C; [7 p(replace-item 2 trade-record-current (item 3 trade-record-current))
: L0 }9 T) K+ z* L+ M) L& z ]6 lset trade-record-current1 O* D8 M9 N7 j2 d# ]+ M4 X8 C% @2 z! i
(replace-item 3 trade-record-current note)' V( Q4 r6 L0 X/ B4 ^
4 Q" i, }7 Q4 ^5 [2 X: j; X! [7 s' n$ v% y) {4 W7 Z/ u
ask customer [" H# ?$ T- m' P. y$ A* q( `
update-local-reputation9 b! [: E6 ?$ K' q
set trade-record-current
5 s0 W M5 U0 S1 v l! v(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) / N/ c: j: y. O3 M. H' l8 l# |# b+ e
]
4 A; d% o" L. @4 |( d7 ^, A/ s* J4 E2 H# Z' [7 H5 R
- Q: G5 I/ L* e+ W. a
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer- |7 U, |7 Y" H" N; `! F$ i9 ]" h' l
) H8 ~$ R: |/ P$ ?& j
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))' x# ^+ M6 [# {( O# Q M5 O* a5 d
;;将此次交易的记录加入到customer的trade-record-all中
$ Q1 U3 i8 M/ u3 m7 f3 @' [& z3 pend
! _6 l* x" y/ [- W0 v. }6 [) D4 R: F7 T; P8 ~5 y
to update-local-reputation
! Z# {) e c. `8 _$ _set [trade-record-one-len] of myself length [trade-record-one] of myself5 }. d& Q# S; T# d% U
" I& y [ K. E5 L7 b) ~7 y& f
4 L9 i/ f* M5 }% f;;if [trade-record-one-len] of myself > 3
5 D Z& S0 f+ @; q$ dupdate-neighbor-total* N3 ?- u. Q- C( E. B7 i
;;更新邻居节点的数目,在此进行
" @3 @ O4 U9 M# `+ ~! a! Jlet i 3* N/ \* B" x, g- e
let sum-time 0
3 F% V5 i5 z( H$ {3 \( G4 O( M2 G) Z1 Twhile[i < [trade-record-one-len] of myself]8 c0 O' c. a& |: P
[
0 I! x% O( h+ J/ N1 N$ K% Vset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) r$ o2 Q3 I) D2 M
set i: L0 @$ K' P0 m6 L
( i + 1)" D j n( |. ]6 o% _
]
! b% [4 r; v4 S$ wlet j 3
9 Q( g: }: A; Wlet sum-money 0 V1 d' h; w) q8 b) R8 T: m
while[j < [trade-record-one-len] of myself]8 c5 w4 T5 \5 v. i: ]7 C7 t
[' X# h+ x! r% S; l$ V
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)
9 G7 u+ F! @' M7 {. i0 xset j
8 d$ i$ |3 [0 M' Q1 ?( X( j + 1)
; o/ r3 S% y* t( f. ]! U7 f]8 r2 O+ S1 E/ c0 n: r. X- L
let k 36 H# g& G9 B. V+ ~. Y, a
let power 0
! T* ]" X: M) w x; ~3 r3 o# Blet local 0
& C% x5 v7 l9 p; @, n' Z* @while [k <[trade-record-one-len] of myself]
: b2 X# ]& x$ b- }' m2 b0 B4 j* V[6 h9 o+ U7 j- `4 k) t0 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)
4 s& }- f5 j% ]! D- K8 T7 r/ B$ i. mset k (k + 1)) U; G; U; ^3 y# s2 n1 p
]9 J7 a h! p+ w; x) M# T3 }4 C
set [local-reputation] of myself (local)
) C2 [3 y, k" B% x! S: C# Rend& v7 ?. O# H! T
4 i% W0 _: D3 W; `9 `$ M
to update-neighbor-total" n: V& H3 `. K( j8 q
" P9 Z. H7 I* K8 |- E3 eif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
0 W( B; Z0 z: g0 k& T. r/ n
+ [1 a6 W; U; D( s
; @; Y, x Y F- k. }) K& d4 {end: y% ?# I4 p4 ]0 v
" K9 S4 R; l8 Jto update-credibility-ijl
}2 Y- t' z4 B: ]# }6 U4 s, V- ~
+ @( ~! n. B4 D2 _; d/ F @: p;;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。
8 U5 z4 `; R3 T( K/ m! Ulet l 00 ]& Z; U; D) g) k
while[ l < people ]
8 |6 U/ \# b. a1 K2 `;;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$ [8 @( u& w4 }6 A% v( Z
[
; _) ~( b, U) g# Nlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)* O3 R% C2 f) |; p& r$ S' J |
if (trade-record-one-j-l-len > 3)8 _5 \$ c2 f. w
[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
e( w" u# F6 z, U3 ^' ]let i 3
; B; G8 I4 x% O( o+ T* Alet sum-time 0
3 L+ ?9 V0 [! n! E9 A# {% p3 ywhile[i < trade-record-one-len]
8 k J$ h/ B3 e' u/ e* e# Z[
; p* D- h+ x! Hset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
1 v$ o8 }0 r3 Q1 j0 B. p. \set i
* S/ R" [% E& S1 E3 _( i + 1)# I% l+ f. H& O" `& F) @0 F
]
. k6 Y" w. F& ?: Tlet credibility-i-j-l 0
' s$ i1 b, P0 e0 y& h! [* };;i评价(j对jl的评价). h0 } j* A E7 v, D* u: l
let j 3
" g6 N$ B1 M4 l8 F d( \7 Llet k 46 ^/ S g1 H0 \( o
while[j < trade-record-one-len]
! J8 j1 {7 }0 b7 h/ f, s[
' L3 ^; T' a3 Z& ^, B+ J Owhile [((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
+ U2 P. Y! V3 X- ~* q1 H5 Qset 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 c' _+ t! x1 ]0 ]6 C* y9 J; h2 ~
set j! H. f' i5 N0 J$ J
( j + 1)
# j# |9 F: h4 H( y]$ I8 n/ N7 C$ y( X5 h$ d' s9 g& T
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 ))
7 z! p% d2 Q( W" k2 G- F. j# Z+ D: m6 X2 ?$ _' {/ V
" w9 Q2 q6 N5 V4 i
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
8 ~! W" G( |& h# d& F;;及时更新i对l的评价质量的评价
# ~5 w5 x* `8 C5 N4 z. vset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 b3 k: v! b1 ?$ z& qset l (l + 1)) m# k6 Z' E8 l
]& i. w/ f; n7 s5 }
end; u* ?, b5 V# t# W% E+ A5 Y: K& |$ e
) W) M; X" Q$ |* g Rto update-credibility-list
: s4 A+ Y. h3 blet i 0$ j; T& @8 i) e
while[i < people]8 ~- g/ f4 S, B6 O2 v
[- {" P( r: ]0 z4 ~
let j 0 G9 k L; d' [$ p% n
let note 0
7 e- ~' }; Y* K# V _) Jlet k 0, c+ [ ~! E1 O$ u# Q. ^
;;计作出过评价的邻居节点的数目" y: M6 ~( ?* }
while[j < people]
7 a3 P. |6 @2 J; y. m( k# y! @# m1 P[
7 m7 R$ I. o2 Xif (item j( [credibility] of turtle (i + 1)) != -1)4 W; E9 n; N' r2 I& R( `
;;判断是否给本turtle的评价质量做出过评价的节点
; Q! Q' p, ] |9 i1 \: i[set note (note + item j ([credibility]of turtle (i + 1)))
, y. M2 k/ F; U. a;;*(exp (-(people - 2)))/(people - 2))]6 _, S0 a* j8 T3 H; t- C; l
set k (k + 1)
& y- W0 X( G5 e" m! i( X] w/ c- N7 f: G; m. y+ L
set j (j + 1)
8 ~5 S1 O' k3 o& d4 {]
: q8 o E+ g$ c0 q$ Qset note (note *(exp (- (1 / k)))/ k)2 b1 {+ E0 v: U, a5 f% s$ B6 O
set credibility-list (replace-item i credibility-list note)
. O: M$ e7 l! j) l w: ?set i (i + 1)6 C0 b5 X; n' y7 M I
]
: A X! u- I+ Lend8 { G: L1 x1 u* ?
$ X$ _$ }3 y; j [to update-global-reputation-list
& K+ o+ G! r0 ~* {- q- G6 o$ c% _. klet j 08 Z7 X9 L, B- W7 o! R8 @, p* x2 B
while[j < people]
# V; ?) I9 }' p X' d! U% j+ `" u[
* U L; j6 `4 nlet new 0) A+ J2 X) z4 p% k ]" h% m
;;暂存新的一个全局声誉3 K/ l! w' s6 x# r! L/ j$ F
let i 0
2 A2 @5 s0 I7 ?& j( t: {) Ylet sum-money 03 q9 Y, M p3 h) {/ t
let credibility-money 0
$ g" F- k3 }) Xwhile [i < people]9 z C0 q2 o! l) {' i
[
5 @; y* U& I5 p9 dset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
: {5 r3 @* ~0 e6 \! y1 wset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)). i* R1 Q, C& E; [9 f& m( r% Y" B
set i (i + 1)
+ N/ a% g% a, c4 `* t] u9 u. _) p8 Z" j0 |
let k 07 L6 W K4 M7 e+ f
let new1 0/ [6 d3 ]: _% v6 V! m* j9 z- v
while [k < people] k/ s' J. W, }9 J
[
2 [) z S z& B/ B8 vset 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)
% e" u: }1 @! o5 ~6 D$ _4 Dset k (k + 1)
3 M3 i+ ]( r) t( z7 I$ h* G. I]
6 M* Q# F3 N) }6 r5 x( U1 Dset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 1 J7 l9 C$ C5 C6 H4 V
set global-reputation-list (replace-item j global-reputation-list new)
+ ? ?8 ~+ L: \set j (j + 1)
8 Y$ X/ c3 U- b* z Y]
" H3 j% a4 o$ |+ l2 Z! U6 j6 _end
n+ i! m7 ~9 y( e: L! f/ y/ E. {# A5 r, h
0 ^: Y# Y, X- @$ D! p3 L
6 L9 V3 C& K# W6 D! gto get-color( u4 [) u+ D5 P; u
" A! t6 c" Y% B/ e0 o0 Y
set color blue; `. Q7 ^: o: ?% v8 h; ]. l
end( v# o+ B/ v. V" f
5 r; K0 D+ ]9 v( t( Rto poll-class
! Z. v( S' W1 F4 [end D3 }/ g' x0 Z" X, [" e' F+ Y
8 P5 n4 L% S3 j: o% q
to setup-plot1
- j: N# M6 |/ a3 Y% s5 D. s
& Y; m& ]5 k8 F$ i% pset-current-plot "Trends-of-Local-reputation"
Q0 M$ e; N( H& V+ F
* \# E. ^0 J3 z, j% T1 r; r. dset-plot-x-range 0 xmax1 |+ @2 B3 s0 |3 Y! x g
( ?% P& P" _- x o# F. W
set-plot-y-range 0.0 ymax5 z+ |/ q& P% C, M% f8 K) O
end
" f) S" q# @% p' ~' s U$ N, F" ]. e6 ]8 h$ u- v- S {% ?
to setup-plot2
( |7 s% g2 B( L
8 O/ ?, g `, A7 T! Z4 f; eset-current-plot "Trends-of-global-reputation"
$ V; P5 j$ Y' L, M* b
( t1 |4 P( j7 t) n: @- Wset-plot-x-range 0 xmax
$ h4 y7 c; [# H; ?; d
$ S) I @! D9 b9 \' q' ]# Qset-plot-y-range 0.0 ymax5 k2 ?+ Y; }6 m3 W
end
3 O' G( P( l9 i
! t+ G( t* |" _; Rto setup-plot3- r4 |! `" { O
- \6 `; n2 b0 Y( `! V
set-current-plot "Trends-of-credibility"" I+ R, d( Z' a. C5 }+ G
2 s9 N" ?8 Q& q5 A8 H; x
set-plot-x-range 0 xmax
; b6 r; r, U2 a% a8 f& r8 l6 }: ?5 L. V7 n: \% G( J2 h, a. T
set-plot-y-range 0.0 ymax
2 n5 ^4 M; Z2 _' D8 |7 J5 o* rend9 \$ p, Y+ Q9 o- w+ ]; @
0 C. i& X" b* D' U. s
to do-plots0 B7 d: k* n) ?* ?0 @8 i4 c3 K: q
set-current-plot "Trends-of-Local-reputation"
3 W+ |; H7 N7 L% v! v$ Zset-current-plot-pen "Honest service"% B5 c7 I2 ?/ Z3 B3 i' X
end6 O$ ] h# f+ C& c- l
+ f$ E7 s) b7 m0 t2 T[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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