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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, ]* `8 Y Z& H( R/ b: ^: ?( J0 p$ V
globals[
4 Y- X+ K3 S6 axmax
: W! D+ `; f* D! Oymax
; s/ i. j3 E" {5 b! V! ^global-reputation-list4 Q: c$ p$ c7 ]1 g' @
7 K$ B: a1 S6 z
;;每一个turtle的全局声誉都存在此LIST中
" |: t" c: h4 Lcredibility-list4 y1 e7 A1 p T7 J ^$ a$ k {, ?
;;每一个turtle的评价可信度$ n8 Y7 N* M" d6 W* C
honest-service
/ V3 W" t! }" Bunhonest-service
. G: O0 i- j3 \/ Woscillation( S9 a& I7 C7 b5 N+ K' {1 S8 @
rand-dynamic
# Y" U! j( |1 i/ f& n. ]]# {! Q2 {6 c% S1 @' F3 \( r* |
% i( e9 o: l3 b4 N" ^+ v1 X
turtles-own[, K; c. E5 k) W/ K; q4 T
trade-record-all; N% E& m. ^0 {% P k+ ?% v
;;a list of lists,由trade-record-one组成 l$ e% {! \! h D( _& K
trade-record-one( ~1 |7 R, Q9 j+ {! p
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录$ i r3 E' o5 x" u9 ?( Q( ^
2 p# o5 ` ~! l$ A3 [ {8 n' 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]]
! F2 A) Z4 o, F9 F4 }; vtrade-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]
: e; d$ m( v3 w( i* R) J* o1 E/ bcredibility-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
: i$ _: K7 z% wneighbor-total
1 ^ i) d, C( u' t, p% U;;记录该turtle的邻居节点的数目3 F$ ^$ e2 Q) E4 x
trade-time9 Q2 O0 m& \, T! T( s1 b H
;;当前发生交易的turtle的交易时间/ M" H* M R# Z' K* @3 E0 X( q+ s
appraise-give/ B+ F0 \* z& w- S
;;当前发生交易时给出的评价* q( Y4 ^( |6 Q9 I9 K3 n
appraise-receive
4 j, X: H- l( G/ t0 R;;当前发生交易时收到的评价
, P0 O6 |# J$ s" p- uappraise-time
6 n1 g3 ]$ i% y8 Q;;当前发生交易时的评价时间
, j+ R% X m" H9 d1 @; ^7 llocal-reputation-now;;此次交易后相对于对方turtle的局部声誉) e! ?0 f: o7 [9 A% a0 l
trade-times-total
/ [ e. L0 ~1 `) {;;与当前turtle的交易总次数3 A& E% d' I Z+ M. }
trade-money-total6 x5 @9 @ n: }% ^
;;与当前turtle的交易总金额3 p5 I) \& @4 [- k+ O" d+ c$ B
local-reputation
/ o6 e s) H# H- h4 E2 C: D. ]3 Aglobal-reputation! O; y# @/ X: }2 c: x( t9 U
credibility! W4 _6 v& Y* U) V; C
;;评价可信度,每次交易后都需要更新) e0 M; w2 l4 z
credibility-all
* }( Y$ E0 `8 k& y3 l) X. p;;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
, Y1 Z% S( x3 j4 B3 o) P s5 H/ I# u7 J' A9 \0 b
;;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, |% z! r- g, ~4 W
credibility-one) ^$ t2 c* s0 G& _* s+ j. |: `
;;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
! {7 A6 O0 Q, c0 c; {global-proportion. Y% f' \( I$ g F* R' Y8 w
customer& U$ C" [" v5 i$ j/ V W
customer-no2 x5 g# s. a2 d8 ]
trust-ok$ D# M0 L: @( z7 w6 @& |: p" u
trade-record-one-len;;trade-record-one的长度$ h- r% ?2 {3 F9 V" q. j% w
]
% ?( W J. _# B8 u" z u( H6 a; W) C( N( Y, q: y i
;;setup procedure; E- E- p+ {. I
' S' J# v" W. Q1 h3 Gto setup
- T. Z5 ~7 y7 E7 c, a. E
[/ s, n$ R/ y$ E5 s4 oca* a1 L y! G6 b7 G' ~
, i8 D3 t* L1 G7 tinitialize-settings
* _: _- k. o& t0 K0 k& ?
7 B8 k& }4 [( S% v' I% R, gcrt people [setup-turtles]
- D+ p0 ~; _, K2 F5 C$ w5 t* N# G1 q) r
reset-timer
8 d1 r+ X: L% K9 U. p7 `1 U2 {
3 h* L# G: x, j0 xpoll-class) X( e* Q; `4 N/ [) |' M: u
9 k# C' u0 Q" p( a% a3 Z8 M O usetup-plots$ L0 q* q: Z- @7 p) m# t' [
% T1 S/ { O& V! ]6 K: q# H) rdo-plots2 l1 o) y W5 E6 u: x
end
/ ~; F6 R+ S6 x9 v8 }; D4 E+ t% ^( i5 C
to initialize-settings6 m9 p$ G; n7 Z3 t: S
' Y+ S7 E5 A K' [8 b4 q/ `/ ?set global-reputation-list []! W" j' |8 |8 b$ L6 [' W; g4 B
% f1 R7 A- @: eset credibility-list n-values people [0.5]: L @# @8 l6 _4 f% Z
" E9 [. i8 T, L3 y! N2 j5 bset honest-service 0
& i( b% w) ?% U8 I& c: f5 l2 s+ K) n N
set unhonest-service 0
5 l9 {9 `1 }, d; O: I
/ b- g$ F5 r9 E, v* p4 [2 ]+ Tset oscillation 08 v5 x" X9 r" L# h1 M
! P0 c* z, i& ^+ V# a* t+ Q- {set rand-dynamic 0! S/ T% ]) m r6 [# G: R
end- _1 G0 V2 n! h7 x5 l [
. ?) n/ z% t0 a2 _, Hto setup-turtles , i& F; t4 ^0 M( y3 A) B8 ~
set shape "person"
& p8 H* q- v+ \6 F+ b0 ysetxy random-xcor random-ycor
# h4 Y% y7 V7 nset trade-record-one []: n( S! f) t! ]
# j! y! v/ i, l( p# f9 ?
set trade-record-all n-values people [(list (? + 1) 0 0)]
( v$ H1 i/ M; @; y) t% S! x
2 q0 V7 v& P' m$ p& z1 I: Tset trade-record-current []) O: W+ ~( v% ?% \) n
set credibility-receive []
8 ~0 ]. Z2 s+ X, q9 y, }set local-reputation 0.5 Z* v, g& X9 L1 K) J
set neighbor-total 0
" r6 f( w/ d+ J2 x. z4 ]$ Mset trade-times-total 0
3 P' ~# l. R+ }+ K) Fset trade-money-total 0# `, D; k! D6 u- I
set customer nobody$ d, c5 c% t% p0 q, n/ v W$ S( n( ]
set credibility-all n-values people [creat-credibility]3 y) d$ `5 {; }1 d* B' t f: b
set credibility n-values people [-1], k4 Z" Y9 r7 Q0 @) P( Q: X
get-color
2 p0 J1 k3 G4 \9 N5 w2 p( P
( v+ P, `$ ^ ] L- Rend7 q, j' _& d. q$ n5 R6 j3 u
5 j" o$ F0 g1 k& t3 xto-report creat-credibility! o( m9 |7 `% M. d. d
report n-values people [0.5]% v' K# y0 o3 }) E' z0 d
end
$ k$ C; f2 J7 \0 C9 v8 g' h) T- r+ J
b' t: _7 u4 p1 d$ y* rto setup-plots+ J$ ~$ }) p5 I2 z3 x
( I" M/ R, L* m. u
set xmax 30
9 u3 k" B+ K5 k0 q# d8 D. T
1 C1 g4 s, W p; O* p5 \% [6 Hset ymax 1.0, V1 {- O9 P+ f7 g6 F& d% ^
9 k* z) [( x0 j' {- r" q2 B n5 \
clear-all-plots n9 R9 e3 c# x5 b+ J2 S
0 l. c ^$ [2 P" h& u/ ]4 Q
setup-plot1) s- i) H! q* a1 b
C: p/ @$ x& O% hsetup-plot2' M( ]) z+ {4 g V
' }' g8 b1 `- h
setup-plot3+ p3 O, M! F# k
end: e5 H$ j8 o( {" L2 q( ]
+ z1 A- h9 t3 f J+ ]! q6 \;;run time procedures
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9 p7 c$ b; Z* B+ u7 c6 ~& mto go& r2 s0 P& B5 Z, n0 l% b: X6 ?
/ z* O, K0 `3 B
ask turtles [do-business]
1 f& V p, Z( send- O+ a4 B, L/ G
6 z: J7 Q0 a/ d6 X' |& Q
to do-business / n4 Y7 _& r4 H' b9 Z% B7 i
; L5 V9 Y1 |; t. H3 ~ |+ d7 N* S2 Q+ p5 G8 D4 b% {$ E
rt random 360
* `" x' {$ L, v5 V9 L+ Z9 r) T+ C, J' H0 F2 J3 o
fd 13 P/ ~: _1 |# i& s2 J4 W k' B$ a
: w3 n. r/ k$ A1 j5 }2 ]ifelse(other turtles-here != nobody)[/ f4 e. C* n, J7 }! k: a. a7 N, r
$ ~, L0 x3 Y- j7 i% N' a6 o
set customer one-of other turtles-here3 t. W! B0 \5 ~( r
3 g+ e) [& _( R X% D8 O- M;; set [customer] of customer myself6 }( N! D6 H5 {2 b
& j P0 ~ `! i
set [trade-record-one] of self item (([who] of customer) - 1)+ y/ b9 S3 z" q1 E
[trade-record-all]of self( O' c7 @2 q% s; |0 z
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
, ~+ f% Z; g C+ C0 s
/ ]1 V8 s# f2 C: eset [trade-record-one] of customer item (([who] of self) - 1)
. ?/ E, {0 Z; Q1 L9 t[trade-record-all]of customer
9 j) h0 |( |( y7 f7 w
% H2 P+ |# t: a2 Oset [trade-record-one-len] of self length [trade-record-one] of self0 r. V2 k+ p& {" E* Q5 z
6 w; B$ [# j8 V* l
set trade-record-current( list (timer) (random money-upper-limit))4 e" S, ]: U2 l
. o/ m8 q% ^3 |7 Y1 `) D8 ]. O& Task self [do-trust]
1 g) I( w4 G0 l3 T, [;;先求i对j的信任度( D% }3 C' D0 p! g+ e
9 i4 ?6 e2 Z: Q! W4 @: M
if ([trust-ok] of self)
, {5 |( r$ `- J# }# N3 H( {;;根据i对j的信任度来决定是否与j进行交易[8 [. Y, Z& A8 B6 ^3 Q& u
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
; h) t9 b3 M, U+ f+ H5 c' i' G3 `+ I3 l/ K F3 e
[9 ^% X0 u8 V' [, ~0 ?) m) d
1 C' `, ]9 h$ M- Ado-trade9 U" J" Z0 o* F; v: _
$ s- H" D% l( j( bupdate-credibility-ijl" T, g% p4 J- H' [
G5 H; }* q7 ^9 s6 Y4 t
update-credibility-list
* l# Y$ F+ E) Z3 G& j: c+ Z, I* }$ ]/ t+ V4 J
5 o# Z8 I H8 M. U6 tupdate-global-reputation-list0 {8 ^" \: }$ ~& I- ]' T
& q" m, }) ?# N! |
poll-class
' g8 D+ a5 ?* r/ i0 U6 ~. b4 A+ P* g* {0 N, C
get-color! {$ Q) l( @) e4 U% \
: Y2 W9 G( w+ e6 ~& `" _]]
% s) j' |! H6 D; G7 o9 L* o
, e- R; B! n" q' R d;;如果所得的信任度满足条件,则进行交易2 U) t8 Z( u/ t' J) H
% k9 P0 ~1 ?: v; ? m* v[
$ c2 ]: q9 Y7 f
/ o% c6 j$ E1 j, d9 `rt random 360
# Q5 j8 s% r5 U& p
7 t2 ^1 `2 O" qfd 1- `" G9 g: b/ b. z+ W9 f+ F
q* c2 L5 h$ S6 P: I
]
/ q) c/ ]5 h7 F7 | ]- H+ i0 f1 l x6 a* L
end. M8 J8 g1 ^! m. ?9 ~, @
, A8 z4 y; G$ {$ c- C/ V5 h8 X0 lto do-trust
, o2 f) g! f% L6 L& s8 ~set trust-ok False# b) v9 k, H x) }: v
. I1 h" n& p: w" E& I2 W# d: }
1 {! t0 B# {6 L/ y1 c/ ?let max-trade-times 0
8 e0 c$ M2 O9 p+ C" Y2 O" uforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]( G, C) |6 u, ^ j) m2 Z& G5 r3 G) ]
let max-trade-money 0
: z% X, _* n4 O/ T/ L1 D vforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]: N- l, d* @3 e: r4 [4 f9 q& b
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))3 }0 I/ @+ e% M9 j5 M
" Z% h A9 ^1 C, [$ ] Q
0 J: @; N* ]. p' \8 }0 y# l6 pget-global-proportion
. h( m) k& V2 \+ [let trust-value( b- `1 Y9 C& a2 U+ }
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)
; H' x/ h! Z I2 nif(trust-value > trade-trust-value): \9 `: [: B9 {
[set trust-ok true]
1 b, K. w$ b) Hend
! e4 A5 V8 a7 L$ F3 s j
; V" ^' M! T# Z( U" \6 Tto get-global-proportion6 W9 e. k: D# r
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)% N+ y# u+ _, F5 l9 R
[set global-proportion 0]" ]0 {6 V+ `- P
[let i 0
7 f3 V+ s- m+ ]0 j1 t& Z9 Blet sum-money 00 z; d+ j5 S/ N+ }9 B
while[ i < people]
# R$ `; B0 l7 x3 D[
* O5 Q1 f6 j5 u+ ]8 [2 V$ wif( length (item i3 E& N0 m' q4 h- b
[trade-record-all] of customer) > 3 )
2 C% }# y; O8 c* K[
, @# a* Z V8 z8 M" F# y* _- Vset sum-money (sum-money + item 2(item i [trade-record-all] of myself)), c9 U+ x) I6 ]0 c* v2 {
]$ @1 G @. v# M! G
], g( }& `; Y |; C! @
let j 0: N( f5 c- e3 u) P9 O/ @
let note 0
3 ~1 a, }/ u0 h+ H+ fwhile[ j < people]
`& u; H* u4 C! B* e[( r/ T9 ~! D% r
if( length (item i
0 q3 U3 P( `3 L8 j: @4 v% Z[trade-record-all] of customer) > 3 )
8 R" D& N4 P5 a& a3 @/ G[
; r. e, Y( d9 `+ R i. vifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
8 w$ ~, Q8 N# M) J$ u[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
8 P7 J3 u% }/ ^0 u[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]1 U* @7 D: T7 p5 I
]! P' o3 q0 H" P
]4 G5 f" ?4 f2 d2 P
set global-proportion note7 Z* k* i3 L, k7 t' r
]. n1 [' p7 I9 @# A9 m
end
: C' g9 L* Z7 t. j4 d' Z; F
+ @! v& p0 i' S; X* H+ u9 uto do-trade$ G6 D" l: j* g
;;这个过程实际上是给双方作出评价的过程
% h# b4 \9 ]0 Q5 t4 Tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
$ h' w' |2 U" ^set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
1 B" ~' _2 i+ h0 w* Z A( @set trade-record-current lput(timer) trade-record-current" {+ ` b% z" C( n- A, X- u1 S2 r
;;评价时间! {. S/ b) \6 Y9 N8 R
ask myself [8 o0 j1 |/ D5 a4 \2 H
update-local-reputation
* _6 W8 D6 K. \set trade-record-current lput([local-reputation] of myself) trade-record-current
+ @$ m8 c" C5 K! r `% s p z]
1 t! @$ `/ x& V6 g# eset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
# U0 {1 a# [1 H. m! `" Y;;将此次交易的记录加入到trade-record-one中3 f; i% f0 ~+ H9 r8 I
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)! b6 T- x% g2 y. X4 O
let note (item 2 trade-record-current )* A( y; k; J+ B5 N
set trade-record-current/ B: T0 g' @2 E0 K* a1 h
(replace-item 2 trade-record-current (item 3 trade-record-current))
+ ?( J- `' v4 L) q4 n. vset trade-record-current
& j$ h9 Y0 E* G c* y0 k$ U1 C(replace-item 3 trade-record-current note)
# E* `- c) D* X# b, A# }7 m$ h2 U
/ h% s( C! F# o
2 l2 K+ t2 |- R! F1 m nask customer [4 `9 [$ y$ b9 \0 B
update-local-reputation" z+ y" Y! X, V
set trade-record-current
% L) \# a0 I5 h; G, X& @' [ e! \(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : p5 O! ~+ D: o
]
. [. T. S. v5 O: ^: b
/ H$ z" n" \4 ]! \; T* r4 M
4 `$ H) u7 J/ [9 ]+ D) W! Iset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer0 W x6 n5 \/ ^, k( X; t7 ^8 {2 T
% ~1 Q0 l, A3 C/ K x1 V+ R
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))/ K* b* ?% i/ y" o8 ^$ g
;;将此次交易的记录加入到customer的trade-record-all中
) R; ?6 Y: o% l, Z0 O. T/ yend
2 S! j) X& ]5 B" Y) z+ d
0 C( i% _: C+ c4 ~3 gto update-local-reputation
: q; C) T+ P. f( {& H5 ?set [trade-record-one-len] of myself length [trade-record-one] of myself
( | u0 A/ ] k3 N' p
. Z( E' H4 ]1 d8 f8 P! Z/ ]4 ^7 e& O
;;if [trade-record-one-len] of myself > 3 - ~) k: O0 g! ^( w% y0 y
update-neighbor-total
6 A' z4 m% T4 i1 h4 D;;更新邻居节点的数目,在此进行2 n4 ?2 b p" m. |* U
let i 3
8 u0 k% V P$ O1 E9 _' Llet sum-time 0
! [% U( G$ l! j( L, L" lwhile[i < [trade-record-one-len] of myself]+ x% m/ ?& I1 o" E m
[/ i: H& H8 j7 U. E" [) S
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
, L/ y( e/ V3 o) X. Fset i
# Q; D9 s5 H& E. v( i + 1)
5 H; b d8 d; X5 D]
* }5 r/ E0 D0 P; Slet j 3! G. a& W' z# K7 s
let sum-money 0! v/ Q g2 y3 N# l' @$ f
while[j < [trade-record-one-len] of myself]
* y8 c# i: q! a[/ d% |. n8 Q/ L& _, |
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)
% h% ^3 ?2 ~1 ^6 X( @! Oset j$ Q: t5 r* h' ~ X4 Q0 A" { A/ n
( j + 1)- {9 p: J6 |1 F" v3 Q
]
3 L3 _( I7 L) _$ h0 ?let k 3
& l. m3 ~9 @, ylet power 0
$ s9 h. D0 B* F5 c; wlet local 0
0 p! \" }5 J, cwhile [k <[trade-record-one-len] of myself]$ @& V6 B- i4 V- i9 x! F9 N
[
" B& e7 d$ a! _- B! Eset 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)
3 o* f$ Q% P7 }. ~2 R6 `set k (k + 1)+ ]# ~, J' b2 q! t8 z& u
]
8 R* s7 x; `) ^ o* zset [local-reputation] of myself (local)1 h6 R; F1 z; [/ f6 ~
end2 y8 _2 q- q6 O7 f3 s8 h" ^
3 J9 `. @& h- j' ^% d& P* B
to update-neighbor-total
; y& o4 |. _& s2 S$ L
/ x' w8 P; Q4 u0 Oif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
( b6 u3 x0 W6 X3 O0 |: `% B' k1 W
8 X. j% x$ y, E Tend
; x$ o) r' e: T8 y$ a- H
$ \/ P Q( k# Tto update-credibility-ijl 3 G B6 c( P( n0 l
% A+ v0 w3 u) \
;;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。* a X, R; F* P1 C X( ~
let l 0
. w6 L7 t, Y d; Mwhile[ l < people ]5 c. ~! [1 q5 b+ q; N/ L
;;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0 ?+ ] v, x! G. E
[
' }! x" [9 D$ h% { [( ]: Zlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)/ S4 L" V3 ^: s# ~
if (trade-record-one-j-l-len > 3). z {+ a* v4 K1 ^. V$ B" 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 Q2 f5 G! m) A% |: o/ Q
let i 3
9 ]9 [/ i9 }' s7 t" j6 alet sum-time 03 u+ {" }& o: ~) u7 e
while[i < trade-record-one-len]6 L* {& \, `: P3 ]
[' A& P8 ?5 s- f9 _2 _/ K* x8 K
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
1 f. L4 l5 ^1 Nset i
' }2 x, X H1 l% x9 S9 a. s( i + 1)$ e: `2 ?1 w4 {
]2 I; P8 e+ [/ x
let credibility-i-j-l 0
& u* \+ ~: V/ J1 K2 S;;i评价(j对jl的评价)5 N( i; f: F: h/ [3 d! t
let j 39 e* b" _8 l2 J: J+ v: v
let k 4
5 r* c+ K/ }, I8 ^2 g/ d* cwhile[j < trade-record-one-len]- Z4 _# D( U3 s* n
[- l* y: J5 i6 H5 p
while [((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
6 H% M& C( W; m) vset 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)% A& C% u4 c q) M' s
set j3 O _, t$ M/ u8 s1 s
( j + 1)8 G* C( L: S% j% G6 f
]
- }" [ S% M* B3 f; Iset [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 ))
, l. y4 Y' V: q3 v5 s3 p d1 E7 Z8 c& }* _* z, g$ [
! @3 P9 w4 }7 T5 f" i o; rlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
$ d2 u, Y4 S- p1 x2 W4 p/ P;;及时更新i对l的评价质量的评价
' \# V5 X+ U/ q! s; C' s+ T$ B) i5 yset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]) d. t: ~, r; d$ {& f, k6 E! U
set l (l + 1)
7 U1 T R- G% S% ^: @: A+ \]
1 w/ F) Q# z) A3 b' ` ]) c" _end: d! t' g# H) h* A- B
& u2 h# W* P0 v7 n4 u
to update-credibility-list% c- n+ b: B1 o- {
let i 0
) P& h1 F1 f& A* p C9 Awhile[i < people]: W2 R# ^- V5 l
[# I% E- ]2 s$ Q; U
let j 0
2 x4 D5 W% o$ {/ q llet note 05 w- E" x+ [, j5 L; q
let k 0
; k" X# \6 T/ U0 v6 h. `* S* l+ @;;计作出过评价的邻居节点的数目
: U! z I5 m! A7 D. Y- p8 A4 k, lwhile[j < people]3 Z i' _. S4 V' g* S5 d+ c; J
[& ~( S& g- g5 X" q: \4 S
if (item j( [credibility] of turtle (i + 1)) != -1)
" k3 [/ R7 o" H6 s, p7 k0 U8 W;;判断是否给本turtle的评价质量做出过评价的节点
, a" s8 v* t9 l# r* k[set note (note + item j ([credibility]of turtle (i + 1)))
8 w# a- L D! T4 x;;*(exp (-(people - 2)))/(people - 2))]
! A3 t. V# h' [: U* eset k (k + 1)
: x0 {4 @7 O- T]9 S2 W" P/ O. `3 {; I
set j (j + 1)
- w! U5 x0 {5 Z* n1 o% y% x6 B]8 ~/ Q# T+ O, l; x7 w( L
set note (note *(exp (- (1 / k)))/ k)
# B- l8 a5 {+ E" M. V% b+ o" Pset credibility-list (replace-item i credibility-list note)# i7 T8 p3 I# X! b
set i (i + 1)
$ j( A9 ?& x: v; v, W]- U8 f: W2 c* a4 L6 @# C9 z# l
end
( r6 D5 p! O8 Y8 {2 A' ^( W
+ |; |( C F4 @+ Xto update-global-reputation-list
3 E5 n# i* u- z8 Alet j 02 W7 @) @$ r g4 a, r7 A
while[j < people]+ |) b" V" k, k! q9 m7 ^
[. M' m% b \# a% L; F- p
let new 08 t6 T) F2 C; V y9 t7 F
;;暂存新的一个全局声誉
; K- Z: f, N+ Elet i 0
2 {, }3 t$ |! y! {. Klet sum-money 0
$ Q& m7 w9 j& ?let credibility-money 0
" }6 b3 G3 J) G# vwhile [i < people]
, r- ^7 p- [# P" n- B+ h[/ B {( v2 H ]! S2 ~
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))4 r5 b# [7 Z: O. s; b
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 x o+ c( V% g# Q o- uset i (i + 1)
) j: g }$ W. Y: G]
: T% ?$ _4 T, m* \* Ilet k 0
0 p6 j1 }' j1 _. tlet new1 0( {4 Q+ k K# ?9 p9 t& ~% i
while [k < people]: S0 b" s& u7 ?, h7 Y; a1 z
[
$ V' w9 {# x' ?; fset 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); z$ z0 p0 ^: n/ ~, ?; P
set k (k + 1)
$ Q; h. h6 `. T# u |$ a]
$ I0 q: P1 e7 p2 C5 Wset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 7 T3 V% t F: m! Q9 [
set global-reputation-list (replace-item j global-reputation-list new)- I& |: w0 u0 L8 h) H3 l" T
set j (j + 1)
# u9 _ k q3 r: j9 `+ G]
& i% V, D. T4 X0 G# {end |$ `8 E. F2 D( N2 r
3 H. X2 ?3 `; a4 }
# G/ P8 s3 h: P) M6 I; h5 c2 x. m% v4 X9 L4 ] X' C7 E" h
to get-color
, S4 J5 r- X; d5 ? d
6 v; v. P$ N6 u6 qset color blue
2 Y5 M1 b: T& Qend3 y# ^& }" C+ [* {
+ I: S' `1 b- G' Q* R, a
to poll-class1 E' j% i9 Z9 o: I2 H
end1 i( Q1 G/ d/ }# Z
8 B+ {" r% E+ d O7 Mto setup-plot1
( t+ M7 ~% H# i( H" `' x" K4 j& Q4 [9 t# I. \; O3 s) r% h. x' ~
set-current-plot "Trends-of-Local-reputation"2 l, ]8 F+ Y2 n# J
* g! p9 k0 l& Z4 zset-plot-x-range 0 xmax0 \" O) h" A4 O# P4 v$ _( U
' u* P/ b& @' A \; z0 Bset-plot-y-range 0.0 ymax
6 ]( n. l8 A5 s, {8 M; r4 g/ V. lend
* j! Y' f* c% {2 `$ q7 t& i& j, y, ~% I. _* E! ?
to setup-plot2, J+ A/ P% F; u9 K
$ [0 \4 t$ k: u1 c, M1 A( j9 @set-current-plot "Trends-of-global-reputation"3 r: Q( C8 j% m
) A6 n$ t. B: j% x. e; @set-plot-x-range 0 xmax
6 i) o) |! Q- D& T/ b" h, k# y2 f: y, i4 K% |
set-plot-y-range 0.0 ymax) R) M" H& Y3 n& h z# L
end: W* x- a2 Q. P2 G+ M
' H& o4 G5 x* j- E7 T; m6 X
to setup-plot3* p7 L) S& Y/ O# ^5 D" ^
8 R$ q3 {$ q! W8 a1 f5 mset-current-plot "Trends-of-credibility"
3 h8 Z2 i/ ? u4 p. `7 y9 a4 |7 c1 b$ T* o: j3 D3 `4 c) I& q
set-plot-x-range 0 xmax8 H9 n$ @" e$ e; w2 p0 O( m
0 x* k, r" Q( _0 nset-plot-y-range 0.0 ymax
& o" X: g+ d+ ~1 Z! w- Eend
" p& ]0 R" h) C% ?' j, J1 m
. Q* Y# d! z# u: e( Sto do-plots6 K. g+ I" Z3 Q! Z( o; h9 c
set-current-plot "Trends-of-Local-reputation"3 ]6 T2 S9 j! `" A
set-current-plot-pen "Honest service") }, n: j( |0 U7 @
end3 p9 i W$ x9 T. N
% `0 c( I: ]) x5 `4 C. P[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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