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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
, {) h- {& T% w% ^& g9 aglobals[
3 R) V$ Y6 z: p4 L2 j8 Zxmax4 B* C) I( R! ?% E m
ymax/ }4 k( _! Z7 k. b u5 ^
global-reputation-list" k! a7 ^! t% }
0 D$ Q. ~8 P0 z4 n& u! A6 e3 l4 D;;每一个turtle的全局声誉都存在此LIST中
& k5 s8 k2 A N) hcredibility-list( t2 Y0 b$ ]. T7 |- v0 @6 @% b
;;每一个turtle的评价可信度4 D. c. \- A' H% H$ H& w4 c$ [
honest-service( X0 k% M, X- K# T1 J( \
unhonest-service
* E7 t# o! C6 G5 Y+ S K0 ?% Eoscillation
3 F# p! y5 W( t0 crand-dynamic; M3 U6 r% R i4 O, G
]- h3 Y) y% ~$ b
( A: z _2 z0 G- d
turtles-own[
9 j+ }2 a: P9 [8 R: u' O& _trade-record-all9 m, t/ X0 J/ X
;;a list of lists,由trade-record-one组成, N* z& F4 _3 x% Z+ _
trade-record-one! A/ ]9 A2 Y4 C3 r
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
+ k/ ?1 g! B% ~: K+ d4 S1 B9 _, z1 z V* r9 z
;;[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]]
) F, W" a+ k( Ctrade-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]
h9 v2 l3 N" N% O ycredibility-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/ D# f. ^( h) I. \: A3 t) G# R
neighbor-total3 J; f+ T: l# I6 I
;;记录该turtle的邻居节点的数目/ x: G& Z" i) ?, ], D' H3 h
trade-time8 t" b7 q1 M& g: U0 X
;;当前发生交易的turtle的交易时间4 T8 S! w& T( i
appraise-give* H' G' a; |9 m2 H% @1 }
;;当前发生交易时给出的评价
& j# p: E( _! _, P: w9 tappraise-receive3 \' s, d7 |" o- _7 i$ b
;;当前发生交易时收到的评价2 q: N& m K/ _7 r' |' o
appraise-time
# G7 U! [+ }3 s$ y* P9 \% I;;当前发生交易时的评价时间' }4 G" A+ \% }$ u
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
! c: l }( i( L% Z! Vtrade-times-total, `" H' {& x- D2 n
;;与当前turtle的交易总次数! d4 @" _; O v5 `2 }! I9 k; [
trade-money-total5 s9 e5 C8 g, K- x9 W
;;与当前turtle的交易总金额
# `- l. `0 f& p2 R; flocal-reputation4 {3 k3 X( T1 c
global-reputation
/ I6 Z& B# d0 w/ N7 l7 [credibility
& H1 e$ |6 m) E. l$ r;;评价可信度,每次交易后都需要更新
' a! x- N" v+ p8 kcredibility-all
. z# }& A8 r6 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- K" x8 C4 ]( ^- h
5 k4 _- k2 f% `3 N0 g7 o* U;;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
) G! H! m4 `, z2 vcredibility-one
9 P9 i+ t' P* E1 P/ g7 t;;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
+ d+ P3 X0 b Iglobal-proportion4 r, D& V0 ?. p+ z+ m7 w( N
customer6 |1 e. p( }( w8 B
customer-no0 {6 n9 E4 k) N$ ~& M: Y& m/ x
trust-ok
7 q6 ]$ {* a5 G0 k, p8 ctrade-record-one-len;;trade-record-one的长度
, s! j9 k- {& ~5 w7 C K& `+ l]
, y9 g# C8 X6 `' w2 O# ~/ n, a6 y, I- x" {# u/ z4 a/ l$ V* p
;;setup procedure! {( x, c+ b: c) A/ ?' _
& t* U! W* X3 N3 ito setup
: B* W1 x; Z4 a9 z H- }6 X& r/ M; k7 K y2 ]6 I. |
ca; j: K t$ y4 I
* s$ i$ I) J4 h+ K$ O* [7 rinitialize-settings
! ?6 h G% ^9 x6 k- `
! s# V( m' ]8 w( d0 p" ncrt people [setup-turtles]
; ?9 W# c: c: D" L: q
: i) m: q$ c' a! l& i- L+ J, jreset-timer4 K* R0 D5 ^8 a& M8 w; n6 U3 A/ P8 g ^
( T; h9 r9 d# D5 r
poll-class
* ]4 R0 ~! i$ O* e4 ], N) s& g5 ^8 X- D6 T
setup-plots
0 v4 h" h- n; @6 a% [ d* s( b5 b- k* \8 u1 M, f( l
do-plots( P* k9 v8 P) _+ y3 s# `5 s6 S
end. j* j9 n( F# g& f" ~4 V. ]
% O/ v- f3 |1 \7 ~to initialize-settings c) N! i+ q* [' D6 \
& \8 P" P: F) W' l0 v6 [9 aset global-reputation-list []
' k! [% o. a. Y) \. F
6 C. n! o) \2 d7 C% rset credibility-list n-values people [0.5]% _$ j# E, P2 `" N# _! H
% Q9 p+ z; p# |% o& w8 q8 \set honest-service 0. R* S( O2 Y1 Z9 e+ \5 J
+ J, x; N# c$ \. b" J9 L
set unhonest-service 0
, ^# ~- G& i& f" f6 i! U* k
2 R8 `$ x! w) `set oscillation 0
) C/ X4 J" J# }$ ? J
2 s: z/ V5 b( }2 mset rand-dynamic 0" P7 u: Q$ O% t4 w& a) U, h% F6 I
end
- b5 \6 f, [5 ~4 x
Y& D2 Q8 E& C6 h7 H( T; Oto setup-turtles 7 _9 a6 |7 ^) \, S
set shape "person"
, Q* N3 T: |) q! S8 E- Gsetxy random-xcor random-ycor
* s: u& o/ Y7 A4 @0 N! Wset trade-record-one []' H3 [# {% b- q3 k b; S# U
: u: f& G' R4 P) ?# Hset trade-record-all n-values people [(list (? + 1) 0 0)] " M! U3 t0 ~: _, O: _( Y
- K% Y& v4 r' }3 W! M( wset trade-record-current []
) _: q" w; o( n1 ], Yset credibility-receive []
! I Y1 K+ C' y" \set local-reputation 0.5
0 ]; G: n3 U& E' r, o3 Hset neighbor-total 0; K# L1 P6 n0 b2 J I+ r
set trade-times-total 0" F$ J* o# T8 M( B
set trade-money-total 0
! `3 K! {5 `0 R. m, Eset customer nobody8 Y2 _( S7 X% g7 m2 F3 W5 A' Z5 D
set credibility-all n-values people [creat-credibility]
, ^; h# D k# Z/ b1 nset credibility n-values people [-1]3 t( v. P( G& E& C* h8 o8 d
get-color% N" E* @! V, P8 U( |
% f- d. H3 y$ T1 J6 ], r3 c1 W3 Hend+ @3 k" o6 N/ }9 g/ A# B* ?: k+ q
8 p, @/ j: E( C4 k+ u
to-report creat-credibility
; v6 l7 `$ ~* Qreport n-values people [0.5]
7 p* J3 N a- r0 V/ F+ aend
) `0 ^1 f! q6 H/ H. l$ _) a* ~! a2 c. i6 e- R
to setup-plots* H v4 o a4 ^- f( V" S: _: T
2 j; Z% t6 l5 D2 ?set xmax 307 ?& R& Q5 {9 n% `1 Y9 P+ u
# T% h! r* R; d p
set ymax 1.0
, x9 R( K( e" w' o& O% A( D* \) }7 S3 k [% N
clear-all-plots/ w3 i5 P2 E' G7 W
( u& v3 _0 I) _# J9 Isetup-plot1
+ N G8 O7 Q) O3 W5 f4 Z5 M3 k# ]/ F) H
setup-plot2& R6 o: c- B2 b, U5 Q. Y5 ~5 x( q
( ]# e+ e) V7 k7 M
setup-plot3
Z: y8 g- i" \+ zend
$ e; @) K! O- b6 Y; g/ E
- H; m: }+ O7 C;;run time procedures
1 D2 |; c: J" Z# s/ G& t
' i \: f/ S0 L+ K6 q1 yto go% H X0 \" D. M, i
7 j) L! B* a3 p+ y4 ?ask turtles [do-business]
( @. n6 O# g6 r+ eend5 G4 y1 W6 R( S7 |, F" i" x
) s" z* M. F& B. s; O
to do-business / q; P+ h5 z5 x' H: C6 U
9 e8 J4 O" M# [ x' E8 R# x
5 s, @2 ?( B2 x$ [9 J6 A
rt random 360
- R& n" o( }1 p u" f5 O2 p8 s; ~/ p" V0 u' c3 X( \7 @& K/ w
fd 1) x: x6 L5 C, N0 b1 y; m* q
3 T* A: i% C3 ]/ d
ifelse(other turtles-here != nobody)[
" D: ]8 C/ V1 q1 b/ q& u
9 I3 A! _6 P% T( }/ Jset customer one-of other turtles-here
% Y& W# j" E3 V& X/ [ x
& ?* P6 ^. P0 J& E! W6 x! o/ G;; set [customer] of customer myself
' t' m* s/ S; z) R' @1 c
) R- x, w$ v4 Y) t+ Q1 iset [trade-record-one] of self item (([who] of customer) - 1)
4 V! q# H, N* b6 Q7 }( N[trade-record-all]of self0 v1 m: n) Q9 f/ m
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
! n3 G$ Z5 h6 {; q( f
" {& b% c$ |7 Z+ J: |; P: }- N5 eset [trade-record-one] of customer item (([who] of self) - 1)
, u5 V' G1 a( A* t H, s4 G0 ?[trade-record-all]of customer
9 U0 [0 d' S# F- R( g b4 c1 a. b# |" H6 r
set [trade-record-one-len] of self length [trade-record-one] of self
$ g* w! z: |7 o4 i. A( I$ |, X0 e- V( Q, o5 U3 a' B
set trade-record-current( list (timer) (random money-upper-limit))! \1 i3 Z7 S, R5 `3 N( C b
1 }' N# W. r+ x* r
ask self [do-trust]8 f# f9 j2 Z+ y! [6 o
;;先求i对j的信任度
% V2 D* ~# D$ S+ S9 P, o1 x
+ t$ D% G+ C mif ([trust-ok] of self)
- h5 X# T) k. a. ]% Y% H;;根据i对j的信任度来决定是否与j进行交易[, P* {* t5 W& W$ n
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[" }) {9 d2 p; L' Y& v+ k3 z
% @) B7 Y+ L2 ~* f7 ndo-trade
* C# ]/ f9 M. S1 U6 s2 a1 @+ G1 g* J/ @
update-credibility-ijl2 k$ m/ d8 ~5 g
0 b c" o0 ]( K% B; ^& Uupdate-credibility-list
+ M, }) h8 V* w( M8 J* Q/ w5 q$ }- U& P9 Q& R& C7 j* K+ P" F: s
1 l% D1 m J8 }# w9 O) fupdate-global-reputation-list
4 t% n+ x& a: n# \: g. D. k& L% A6 }+ F% q
poll-class! x# D5 F+ d9 U8 z; ~# D
, W. a# L, F$ B! P6 Y0 E" sget-color
: x( P; y9 X7 R* s6 D* W5 H3 A& a! K9 ~
]]( p* N1 b ?1 I- G% g3 y
; }/ T" l' `9 t
;;如果所得的信任度满足条件,则进行交易
/ U& d" M5 c8 [8 C# Y8 t7 I- r
5 O3 U1 \ @8 ^7 I[
3 w% Q% \. x" Q. R* ^% Q; Y( O# c" v+ \ ?1 H
rt random 360
- W# ?" B7 E9 \) I$ g ~. Q6 T' o1 |1 d+ `' z
fd 1- }. U9 N( K& s' C" [, U
3 y' p q2 v& W/ x2 D1 D& n
]
{1 s* Z' Y3 l2 Y" w) U# y N) t5 w; e6 D" w1 q% v
end4 c% N, u; i7 I$ y ~* ~5 p
* M3 @8 ]" L# t. E* [; [# l: ^to do-trust
) l) U; ~0 H, M3 i; V: [) mset trust-ok False
3 g7 z$ o: ~: R7 ^8 \* t3 x8 E: R) a6 v) G7 o+ e
. G. x" @' }/ f o/ }let max-trade-times 0
' s, R7 M% j) b) l4 G$ Iforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]] T5 E% C4 G8 F" [9 I9 z/ G( m; c
let max-trade-money 0# L+ q7 [) o O1 @
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] x; m' C Y! P/ n H
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
9 O3 E. p/ }) H. H% Y: V9 x
# n1 {! O, Q5 P; \$ B! D/ N- @) o2 L" w+ J- ^9 W R& [# W' L
get-global-proportion
. \- K U7 o- nlet trust-value9 O. i& |+ c: A9 V+ C
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)) F4 P0 B7 K4 i4 {4 ?1 H6 c1 X
if(trust-value > trade-trust-value)) l% M4 _ R& n! Y" m5 ~
[set trust-ok true]# Y8 l/ G1 N! h8 S
end
4 a2 ]. u0 s! E2 I: ^* q4 Q8 k2 B$ O' w0 e( h( o6 ]4 s9 p8 m
to get-global-proportion
* S# ]$ F' k0 c& `2 ^ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)+ v+ s! e0 r) G5 d3 ^' t! a' _* [ ^
[set global-proportion 0]3 V3 e9 ]6 X' ~, t+ X8 d
[let i 0
5 Q. ~- g+ ?6 d2 u- @let sum-money 00 L3 o/ c$ n1 J- J* h8 _
while[ i < people]
: p1 Z2 x0 V% v; ~1 l8 ^* w+ s2 M[
6 u0 U6 u# c3 K4 k% S* f: H- d0 {if( length (item i
8 O* D; t- T. G# q* i0 H[trade-record-all] of customer) > 3 )2 f) {" k1 e, s* n, O* R0 {0 f
[: _) h, a% |6 B0 {
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))% L$ a+ |3 [1 E$ ^7 K6 L( j3 F3 P, q
]
8 ]0 z h+ x5 E]
: N# | w: o2 ^" f8 r) |1 Glet j 0% |, R3 [4 z; H% P1 q& o8 r* R
let note 0( A* e4 h8 m, A) x
while[ j < people]
; U5 T0 e( D/ _8 \. A$ H5 s[
, l& Q) T' D8 L! @# E; X0 c( Cif( length (item i8 P! L" j9 D+ a; m
[trade-record-all] of customer) > 3 ) z+ \. x- H+ o( U
[
$ w# y, f% y( H/ x- k2 m5 Y: Y0 K/ iifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)' s6 b$ A/ Y4 g3 U7 K0 ]6 D7 _
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
! r6 e5 H* {" h) q3 n' J, G[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
8 n( J% _) {0 m, ~]
% c3 s) k+ v0 i- m8 O4 G1 B]8 M& \+ D& ?/ e# H0 w8 v
set global-proportion note
, X- R3 I" C' ~3 q5 q9 @; u]6 \! J! \/ E1 a. N$ ]1 D0 X$ Y# p4 X
end4 k/ d3 N/ a2 L; j1 B1 f) P
) g$ C1 w+ B8 d6 Xto do-trade$ @. K7 E: `% S9 j. K' r
;;这个过程实际上是给双方作出评价的过程
1 U! A$ l& S, jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
3 q7 L* r9 ~& V" M) Y( b2 [set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价; p( D' K3 o; y7 p2 c
set trade-record-current lput(timer) trade-record-current; \& [, z: ^' f5 @6 K0 Z
;;评价时间* Z- D0 b5 S% o: s; M
ask myself [1 r7 B) C# r) X
update-local-reputation* v& Q8 K& H9 u% W
set trade-record-current lput([local-reputation] of myself) trade-record-current
- ]5 B2 Q v. w]; }+ C; r8 {6 C5 W8 W5 o3 ]
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
Y6 K, w6 [) \ k6 Q' j) _;;将此次交易的记录加入到trade-record-one中
" ~2 C* T5 A: M }# c& kset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
' ]8 f9 q) F5 q( d9 D; g5 V6 rlet note (item 2 trade-record-current ). y, x, w/ p9 G5 ?' [
set trade-record-current3 t; O. p- f* @9 M, {) d8 x
(replace-item 2 trade-record-current (item 3 trade-record-current))6 b9 w5 o; C4 H; S2 v
set trade-record-current
5 V3 w- R/ l( M(replace-item 3 trade-record-current note)
3 @9 X$ \8 g- h6 h0 ^" {: c, j6 n; R1 T; s' T* W, J
; Z1 U" b6 T5 ?$ b2 Z, V
ask customer [8 ^( M( Z# N0 @: d
update-local-reputation
- N/ a1 R i# N3 ~. uset trade-record-current* y. y% X9 x( M
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
. F; W7 t) Y. v- d t" s }]
% ~# h. W8 p8 Q4 J2 o, p: N8 i8 V! Z. ?
8 \( l! A; D3 X& L4 l" P1 M, L, v7 }( _7 U6 q0 Q# l; I* r* ?
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
7 [/ r2 K# ^7 f6 p2 Y: ?8 ?% z! j$ H2 d4 r/ ~& L* [+ u
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))* v2 e5 [ z5 Y4 x
;;将此次交易的记录加入到customer的trade-record-all中
, R0 U+ ~: H/ u2 [8 t. g; U4 Oend
n: @2 m4 x7 P3 H; S5 n
% Y# }& C' d; A( H, Nto update-local-reputation
- U. g* Q( h& o% Pset [trade-record-one-len] of myself length [trade-record-one] of myself
9 h1 S. J. q# V. V/ o) T' M. k Y* s' ]6 _! d4 H$ N- N1 q
; |9 U c( [* ]* f1 n4 W3 w;;if [trade-record-one-len] of myself > 3
9 R( w5 b( R0 s+ i$ ]. Supdate-neighbor-total
# Y, v% m/ B" q9 l;;更新邻居节点的数目,在此进行# \* X7 R) Y' H2 T2 ^
let i 3$ l4 R) z8 n2 c: e5 r, x1 r; _
let sum-time 0
/ i% S7 E% b7 Dwhile[i < [trade-record-one-len] of myself]4 D5 S: } f4 a
[ B! }. L6 H( C1 n! h; L+ M) B
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )- e0 o" E* R+ ~ L. z' d. S s
set i
4 n* B8 Q! J6 ^: T4 O8 r( i + 1)
5 _* U; x& g" R }]
" F1 [* D2 N5 e. B3 r! {let j 3) M. b3 ~; R* M3 ^
let sum-money 0
, |! w0 q% O; q: i- \while[j < [trade-record-one-len] of myself]
2 F+ ^* E2 W% o# P5 Y! [[
, G* O1 E. ?+ p, Jset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time): @8 }3 ?/ l, b9 {
set j1 u' x0 i+ a! ]
( j + 1)9 O- }* Z/ y/ D' b9 G5 M9 g3 `
]0 C0 q4 J' k+ ^4 h o4 G( O- a
let k 37 ?6 m: q2 Y+ t$ D( W8 }
let power 0
6 I' I# a1 F$ A7 j7 D9 {% vlet local 0
8 {9 P W( r6 r( L. ^+ r Owhile [k <[trade-record-one-len] of myself]
' Y6 s7 [& E0 ]" T[
0 r" s& U, ?4 P0 Bset 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)
: m5 p9 e' |9 c7 m7 s' A' cset k (k + 1)# M; l! o# t4 S8 W0 o4 o* {' ]0 e; W
]
6 T5 \0 r% @4 g+ o% ?2 Y, H2 s% Y2 aset [local-reputation] of myself (local)
2 ]) M( F. f J C. ^ @5 Kend7 }, r! f% r1 y B
/ ~. K2 @* r/ e. V& c$ n i. _
to update-neighbor-total
K" q) e2 ^! _( b
7 r4 O6 j; ?- cif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]) i3 e$ g" v4 N" G
+ r4 ~" i& r8 W( i, d
* e+ ~- O" k/ K9 b# Dend
. ~4 m6 u5 a7 y/ _9 }. J( J
' W* }. N4 g! w1 ^0 _) l4 F k% jto update-credibility-ijl
" k3 ]* C! _& G/ g! r! v* x6 N _; A1 m( L+ Z0 g! x* D
;;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。$ Y, h% F$ P; |' _( y8 b
let l 05 ~& U* t( y( ^5 u
while[ l < people ]1 P5 }) |* Z0 k: A3 V+ A8 |
;;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7 U7 V+ P# v4 b( D3 u$ D
[# Q+ K1 y( J, l) d) `9 u
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
& C6 [ N# N* P% v0 e* {7 n: W( |' sif (trade-record-one-j-l-len > 3)
3 ?6 k2 c+ E7 b[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% l+ c! T/ w& l9 o$ h/ i
let i 3/ ^" F6 V) M1 k L# ^
let sum-time 0
% c8 e6 |# P$ E& qwhile[i < trade-record-one-len]' G) P0 b. c1 G5 H$ }! i
[4 y& @: ]5 j/ n
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
, z4 \ C. P: I9 Eset i* J- [5 v' D4 X
( i + 1)
# m( D4 O: c& G+ K7 i# L]* H5 c' M3 }5 y% ?9 v$ h7 t0 U
let credibility-i-j-l 0( m8 U2 i' n! e: c. H1 q! p
;;i评价(j对jl的评价)
. Q9 X6 E% }7 qlet j 3$ f; Q' i- G2 k0 f# Q* ]! \
let k 4; |' t2 e9 @- y( y
while[j < trade-record-one-len]
$ h, Y$ X' K- q1 R3 C' J$ a[
# B1 I: p3 h: W9 q! 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
' O O: |( t4 v4 s/ Lset 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)
3 R/ S- k% S* C" D( M% F# `set j$ ~1 T+ D9 I* {! O4 O3 p# V9 H6 K; K% Q
( j + 1)
9 O- j, b, _& w]: g( V& O) O9 G1 P5 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 )): v9 ?. x" `! ~" v' T
! U+ Z) h6 \3 h- v. L
w$ X7 H% J+ q' S7 T3 }let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))( n. A6 T+ k. }# O0 L0 e
;;及时更新i对l的评价质量的评价5 X) {& K4 H) O! a. ~* A
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]- H) }9 `% J8 b2 m
set l (l + 1)# s" p) e' \! L0 f/ N/ t# b- D8 K
]. l% l4 b9 U0 U2 x' ^
end
( b0 z, Y' @8 X
$ i, Z! ~: h$ a+ wto update-credibility-list, J o8 e( w$ T" W. a, x
let i 0
& i9 A9 X# @- A" G B ^1 Xwhile[i < people]
& L# L! h4 Q% }/ I; X+ ^[
) A- ~* K8 w/ R4 D( Mlet j 0
( U. _) N* ~/ V6 g1 flet note 0
$ R/ I: u/ W5 m' V0 U4 F% vlet k 0$ {- ~' \" Z4 O) y+ \$ ~$ g
;;计作出过评价的邻居节点的数目6 L6 j6 G9 f2 m. F* |* l$ L
while[j < people]" m1 W2 F. m6 Z: H! A5 s
[& l* V6 e& W" a2 f" e+ h
if (item j( [credibility] of turtle (i + 1)) != -1)
, R3 A9 j+ F% L( `# Z% I+ S2 t;;判断是否给本turtle的评价质量做出过评价的节点5 B( x0 t" C8 Y' {) p) c7 n
[set note (note + item j ([credibility]of turtle (i + 1)))
0 t8 z1 q) D, {- t. a;;*(exp (-(people - 2)))/(people - 2))]% \" D+ k% P( u0 C2 S
set k (k + 1)
' m6 T( |: `: f$ t]
) M6 `. P9 w# c2 Y$ r; r8 ~1 B0 D0 iset j (j + 1)$ E! w5 }2 n" E- I7 r* Q5 }
]
& i+ b: j; [) t4 u' B, n: Lset note (note *(exp (- (1 / k)))/ k)
2 |9 {0 v# V7 V$ p8 A2 X& s+ s1 Nset credibility-list (replace-item i credibility-list note)
* G6 F; M: U' A4 N, p+ gset i (i + 1)8 B8 h V M, | X( U
]
5 j1 C) T- Y: @end$ F. U! D/ L" Z* Q- v( I' M. \
- o/ A4 D' G' B
to update-global-reputation-list) t! F3 w! M$ q6 i' `7 z& A3 l
let j 0
5 j# r* M& M$ g: Swhile[j < people]- P1 [9 |% T; m1 {" M
[
2 o0 w5 t' z/ _, |9 H ? tlet new 0
" H# \- H2 H- m# ?/ }8 K$ Y;;暂存新的一个全局声誉
/ _4 r7 D4 u! P& b% y. ]! Qlet i 0
; ~& B3 {: t& }0 O- T* j, S/ Blet sum-money 0
, f1 b! S5 q* n7 D( g% tlet credibility-money 0! R" A2 J/ R$ B' n! p6 S, `
while [i < people]" |7 k- u; u, u% @* T- {. e
[
2 j4 n) a1 i; p- e: w- Cset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))! F) ~6 Q/ q" Z0 f0 h T, G- s& _
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
% h9 e L8 o1 w3 D" m0 ?set i (i + 1)9 X9 J2 H0 [4 M- e
]6 @9 I& H0 p* K6 _0 A/ b
let k 0( U& R2 n* v* `/ U; F$ `
let new1 0
+ B# r; }! I( O; I+ {$ p7 Q7 uwhile [k < people]0 @5 K0 ?7 N+ y% a+ }* n
[
5 `9 t- d n8 q$ _- ]- I% O) jset 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)
5 L+ ]/ Z) J+ ^) n' e4 Oset k (k + 1); E t2 m5 [: A( r
]
- n8 p {" s* C6 dset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
0 B. Y4 t6 G; m# q/ @set global-reputation-list (replace-item j global-reputation-list new)3 f. y3 N! F$ d+ A
set j (j + 1)
( k9 a0 \2 F$ d$ @9 G/ X; ?0 `]
; ~3 {: q9 ]' g! S5 t! K! X% Qend
& g; _6 @/ G% G6 a3 p( D# y+ [! [" S
* F2 u# O2 }. a3 V7 {9 N: n# ^" N
2 \$ r) u2 A' s* |0 D1 v- T* h3 ^0 E0 _# a9 f& @2 F& O
to get-color
* {! @$ }1 o: U9 S: t
! |0 S" e6 |( B1 {0 u" Vset color blue
: J7 C: X2 P- f1 j4 uend
; B, D* g" K+ S+ Q2 R! [4 _; n2 ~: E0 E* {5 Z1 C
to poll-class# S" j. F; Q) e$ E# i
end4 H, n6 X, V F- k3 n, B$ N% Y# L7 c/ k
& H' l1 o/ i2 g" m! \
to setup-plot1' ^2 u; n C9 K6 O5 {+ v" R3 v
4 K0 {1 J! P/ c
set-current-plot "Trends-of-Local-reputation"
. a6 `( X- m4 U/ U% x6 C- |' q1 f+ m1 z6 e) ]( s
set-plot-x-range 0 xmax$ T7 P# {( B' P5 D4 K k! J4 H
- F L- U' N. F( n
set-plot-y-range 0.0 ymax
A7 Z1 G( [9 f# ^9 ?end2 S* \) X% t$ K& c7 a: R1 Y
# J% @8 R( N+ Eto setup-plot21 ~+ A% k6 T* j, Q3 d! i5 U3 g
' g: A* O" |- F5 w/ l) R; Kset-current-plot "Trends-of-global-reputation"
. a& u' j4 \. D$ T8 M2 G7 ^) ^1 s% a) X
set-plot-x-range 0 xmax
% U* T) V' x( Q' w1 T0 m
; ]# Z7 }( o2 eset-plot-y-range 0.0 ymax% S1 u. C; I/ b8 v
end9 ^( o" H0 ], U* u2 q w8 v
; B w. q$ `& \! O% h1 I* t
to setup-plot3, Y4 z; p/ C& E
) @, Y$ \1 ?9 s) wset-current-plot "Trends-of-credibility" E8 c8 m o* H) b9 j1 h* }, i
6 \& o0 e9 I, m' K- D8 ^set-plot-x-range 0 xmax
! ~! c. G4 Q9 M) A
7 R5 s, X* T" x9 ^+ vset-plot-y-range 0.0 ymax2 N4 k7 Q) }* x! L: E: v6 I/ z
end/ Q8 ~; R0 U( O
7 a6 K y9 ~* E" R6 Z4 U- j# Oto do-plots- ]2 y9 O# ] Z/ M1 U
set-current-plot "Trends-of-Local-reputation"4 K% ]- Z f9 @2 c: J$ q- f* o+ p1 ]2 {8 a
set-current-plot-pen "Honest service", q' _1 r( t( y
end
7 j7 y5 y/ M0 p
8 W: D8 M) d( ` m; ?[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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