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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9 ~4 O- j8 B: ]7 v6 I
globals[
2 y: w% _5 A* e6 x. pxmax6 m5 f1 ~1 Z7 L/ F
ymax
& O' b9 y. N* f' J0 |: \global-reputation-list" o# B/ `- j- M6 {) f
. {6 j0 _9 I! o( |5 D
;;每一个turtle的全局声誉都存在此LIST中
. p% ~ f, s3 s7 L& X% N% Fcredibility-list
+ ~' s P4 A6 k0 M" F1 e;;每一个turtle的评价可信度
2 t& ] a7 Z) r4 ]9 D( ghonest-service
$ n: l: R' |* O6 @2 Aunhonest-service. H* V. ?5 {/ h4 I/ {/ [1 i
oscillation/ z+ a$ _" k! E& L, d! [9 W
rand-dynamic; f x! ^$ Z+ K `/ H; i
]
" m: l8 h `( g5 C4 K( c
' r$ i6 |4 `8 h3 F3 fturtles-own[
$ A5 R* _2 o0 H2 b: X4 D: F* b5 |trade-record-all/ s; Q1 W4 C- y! |
;;a list of lists,由trade-record-one组成
; r& o0 v4 o6 ^( ]+ y; etrade-record-one
- _& x' h! q' l% z3 { S;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录# e) R) C: ]3 [+ t/ k, `
$ y+ r) G2 C" x: G' D4 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]], t% g2 Q+ x4 S
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]
6 i$ j6 q0 ~( w9 rcredibility-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: v& l- G# E6 K
neighbor-total0 D2 w' U9 ]/ I1 r% Z
;;记录该turtle的邻居节点的数目
f. C; G9 }6 itrade-time
0 _' p$ U0 r) e* s8 B1 B;;当前发生交易的turtle的交易时间0 z/ S. C$ |: q
appraise-give
F/ U; u8 }) w3 U+ ]- W; W+ i! P$ p;;当前发生交易时给出的评价
: Q& Z/ b4 s8 k% I( w) A/ [appraise-receive
% U7 m* Z1 o. @* t;;当前发生交易时收到的评价
2 L9 M+ t. x2 w( o) ]& u& q8 Cappraise-time
1 T( l# R2 V: Q2 a& p8 q;;当前发生交易时的评价时间+ ~5 ~4 ~7 y8 V$ J X6 k" y3 s. F
local-reputation-now;;此次交易后相对于对方turtle的局部声誉+ w! C: V9 t, ? ~
trade-times-total
( \: C: w! r! S;;与当前turtle的交易总次数. x) O9 E6 ]5 x8 Z0 `
trade-money-total
: m8 u. [$ q# {# z;;与当前turtle的交易总金额, i% L! }, v' Q3 D& ?
local-reputation6 U6 o0 p! G+ e
global-reputation
) i8 Y1 {! S/ M! m4 j V: `5 v! @credibility0 a9 ]# P( I' N
;;评价可信度,每次交易后都需要更新
, B; v" V2 i" p/ e8 c; ucredibility-all. f' ~2 Y$ g9 k/ h, P9 |
;;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8 ~! O% {( h$ Z9 G. z
- |3 f9 O9 U0 O( j2 z;;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
7 S' L/ _4 Y, i+ {+ J. u [+ bcredibility-one8 l: s, M2 B. t! _; F9 v
;;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
! p! d9 Q C( B! [, j4 [global-proportion
6 n2 c8 a% e( \" Y5 M$ t0 ucustomer
# P- `3 E4 V" `& Q) zcustomer-no0 L2 Y# e" b: l/ {9 A Y3 n7 q
trust-ok
7 M( u3 K5 D- g) n m5 Y- R# Ytrade-record-one-len;;trade-record-one的长度8 R8 `7 S; u! l$ B4 p
]/ ~# b- N; b n) h4 I) |5 ^8 Q
, g" \! L- y' T& F) ?) q;;setup procedure$ S1 ]6 G! C% S* r! G
9 {7 i& X. M7 C" G+ \to setup ]6 d$ @* E1 X( I& F5 u) J
% Y9 {6 B3 \: a" ~- g& Y
ca
/ C: B# f4 M) l8 r
. f' n# O' }; B ~' U# n6 }1 Oinitialize-settings
A6 e: R+ z1 _9 H3 c. e1 P
+ |1 z' }; d( T3 w+ xcrt people [setup-turtles]' i" ]. D* h! ]" @/ n# N
- c' M6 K( ~; O# x5 s6 M/ @reset-timer
7 @: ^2 G( h' n, z. Z! Z, i3 \$ _/ D) i( N, U' W7 G. _
poll-class1 O* Z v9 l2 l( x1 `4 |
- S: }& @2 e' t6 Q/ G. Csetup-plots) v8 l( e( r# c% r i, U* [7 U
+ e8 |# q7 R; W1 G1 E o4 O
do-plots
' x- ]* E$ @3 \0 d b' bend
4 J3 G5 B# N4 |8 r4 R# E3 @
( z& ]8 w; q* L# mto initialize-settings
7 G3 f T7 g j0 S: |/ w3 b" Y5 C/ |3 p& G
set global-reputation-list []
- S- V, w5 L7 t- ~: c2 x
, R R) t* c7 ]1 y8 ~4 wset credibility-list n-values people [0.5]5 a" `' n* l" a- w% S- n
/ f- b# j1 W6 S' \7 {set honest-service 0
+ W: y7 b' g' w* @: h
! F7 H" [4 a1 g5 L* nset unhonest-service 0" E8 p1 z9 r' Z3 m+ _
- i' R2 Z ?; O# aset oscillation 01 d [/ ^1 u+ Y: C' P% `3 j
$ T8 j& l; Y$ p% C6 j& K( cset rand-dynamic 0+ i7 ]: G: Z8 y& R k8 P
end
$ I7 T% V5 p% X; _# X# F1 V; p, i2 M4 m. e% G7 c3 E/ e
to setup-turtles
4 P4 k B) J/ T+ zset shape "person"
% ?( Y0 G. O5 Dsetxy random-xcor random-ycor
9 l3 W2 v- B2 |: Vset trade-record-one []" E4 K* O' t1 G$ m
# X' v4 a9 G- H+ ]0 F* mset trade-record-all n-values people [(list (? + 1) 0 0)] . e- |5 Z) _! u; j# X' Q \
% Z; f0 q2 ^' c! W+ L3 qset trade-record-current []
" {( a4 ^) ~2 s2 S% W1 [set credibility-receive []8 U( k8 E7 q2 A8 p' x
set local-reputation 0.57 ~6 Z0 g2 s: a! i
set neighbor-total 0
# G- K1 V+ C$ V3 L% r" P ~4 J& Nset trade-times-total 0
9 T- M$ M7 Z& _set trade-money-total 0
' G1 Y* T+ r3 O2 Z7 }+ Lset customer nobody
% i0 p" e6 ]$ W' Q: ]& |2 Dset credibility-all n-values people [creat-credibility]
2 b5 u0 C7 T* n- y( e& ?set credibility n-values people [-1]
# G2 U- n: q% Vget-color
0 D; `3 E, ?4 v2 v1 y
. a r, t3 o5 [/ b' A( [end
# f( K3 B- j! t: u
. o0 N- ~3 k8 Z7 e! C% |! Pto-report creat-credibility
7 w8 u+ U. `, e" E9 Vreport n-values people [0.5]3 B8 P& Q8 r" O: R w
end( K7 h9 e5 |+ Z) d
- |7 J5 o! g* G1 X5 k" i- N% mto setup-plots
# F% P6 n) q5 g* d' k) B
: d2 }1 f8 C% ~: w1 p, Tset xmax 30
* Z9 y* }+ Z/ D3 j C" T! k( r, l( u, ~% v5 [. V6 b8 d
set ymax 1.0, p6 n+ Q7 Z( z" n: Y( z
" s5 V) x7 C& ]clear-all-plots( H+ s* ^! s6 H, {* X) y# E( S
) c" I- O. P n9 K* A+ x" p
setup-plot16 ?* {6 S: X2 L4 m( l: g3 Z5 T
1 t& Z, N, ]) }$ q! S. Y ]setup-plot2 H" M# |+ Y6 j' D' J+ l2 Y
# ]' \$ C% B V: I
setup-plot3
# g/ ]* \8 @) ? F4 V- D s( tend" X4 ?3 u5 d" [# l# M3 W' j) \
5 L3 R% C# z# `8 _4 W1 @
;;run time procedures
8 s3 x- v$ H2 j$ _2 G) r" C" B# N3 s% }& i9 i/ N# y3 P
to go& p/ @# w5 M$ s8 C$ C; f
( H; ^& o7 A2 e* \ m+ l, D) Qask turtles [do-business]" B5 ~: e) v% _6 y
end
: h; G" N. q$ f9 X/ j) k+ t3 d7 t/ Y3 {
to do-business 5 m2 s# _7 k; r& {; j0 L/ {
/ [! v# L: c8 k, c
# T* T( s0 w3 C8 O( o/ R! L/ Y5 L6 Trt random 360" @3 B2 V$ S/ A/ c4 J1 n9 ^
+ z" _$ H1 f2 F- e+ J& g
fd 1
: x8 F" G# p8 ^0 C9 Y8 r4 _- M
% n# p; [% N: d" Hifelse(other turtles-here != nobody)[
3 }6 n& H5 l* W) O2 O8 M$ H3 ~' Z% B! a# C" {& Q4 ~
set customer one-of other turtles-here
5 P4 f& ]0 Q8 @: R; i% `) ]7 O# j4 s
;; set [customer] of customer myself3 T( g3 H W6 |1 b; v6 S9 M! ^! I5 ^
/ ~ F( e g: V1 M' Yset [trade-record-one] of self item (([who] of customer) - 1)- _+ ~) E. G2 C+ W
[trade-record-all]of self
- E. n3 L$ w- _3 j;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self! g4 @2 D+ a% b
+ a( n# {. n6 C. s9 Cset [trade-record-one] of customer item (([who] of self) - 1)4 M) v: b1 ^$ P: M% j
[trade-record-all]of customer
7 s1 |6 ]% R2 Q R! o9 M" u" g0 O9 C
$ Q( z$ O: V% C% }3 x+ V9 t8 A% jset [trade-record-one-len] of self length [trade-record-one] of self# F$ V0 h3 j0 t( W$ d8 _- o& |" R3 B% S
, d. e3 x, ^* G2 T9 P# ^0 [0 aset trade-record-current( list (timer) (random money-upper-limit))
5 R1 r$ O6 E9 q9 R
+ I2 |4 V6 K- U8 P: U' p! E7 Oask self [do-trust]
# \; f) A' z! C" K& \;;先求i对j的信任度7 E3 x6 p: z" Z4 W) z! k" d
6 ^6 K' g' |# y* F& M
if ([trust-ok] of self)
: a% w. o, A0 d' J* P' x3 z' S;;根据i对j的信任度来决定是否与j进行交易[
1 c0 M! g3 H5 W9 U' I! i( a2 hask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( w* m4 y. X3 W2 e" b; s; f2 E3 F
1 I2 t. i; j" L- l4 @7 F% |7 ~[
+ i& _8 t5 j( h$ p5 J. D3 b- d3 ?( D: I D
do-trade4 I! n! S( p% I. V& F+ | M8 ?' }# E
1 |, W- O# r& u: h8 h+ [4 @ @update-credibility-ijl1 m4 a" w4 M) ^& `& k: [& q
& m- i7 h5 k" m+ X, H0 \
update-credibility-list
+ ?8 s5 V" j1 ~* O
5 Q- w* B" u0 |+ D3 r* H
5 l6 A2 @3 s) o2 xupdate-global-reputation-list
Z# G& L; I# A: l3 r7 J2 V# `
. z3 L0 q5 j8 ~9 ]) npoll-class
7 R! M" ^% _" I* V9 D. E2 S
# K. x( L; e. r+ b7 ^/ ~get-color+ I; g s0 n/ f7 m- O% V
N- f* s6 e9 c. D
]]' t5 O; a7 L1 f/ {4 I; I; m) E
/ U1 a9 t% b0 A* u& \+ I;;如果所得的信任度满足条件,则进行交易
- t8 @$ A- _2 H: }4 |, v$ N( k! V7 h% {
[
( Q8 l5 f1 H/ S5 t+ }# m- d* m4 T1 w
; B0 ^) B& a/ Q% T: q( n( Qrt random 360
" t$ Y. S1 U/ Z# x1 K, I* u: b' z. K$ H
fd 1
! M2 [# P! v5 }: i2 W0 s1 z7 {+ v$ S0 X- }. J$ Q# q8 Z: r
]
2 E* J+ ?9 x4 E4 A+ F# I
" z0 x. O- y8 |$ Iend
7 Q8 u) O* s/ [* d, }$ S
# ?# ]7 R x# X0 `: Yto do-trust * p0 |& ?) E/ j+ U0 a9 l
set trust-ok False
/ ^# A9 [4 M8 p1 n4 S' ~- L& F8 l$ v
: C6 k3 S0 x" G6 M; S# N4 _+ B- _let max-trade-times 0
( D9 H7 R6 K* a4 E9 L% e6 f6 \0 fforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
+ i1 L# a h' j/ }let max-trade-money 0
: i$ D f- h& g0 n" ?2 bforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
6 C* q5 p: V) K. i" |( g9 c9 n$ ~let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
, ], W4 v; l [7 {3 v5 H# _% v! F# P7 r2 D! w' H
2 V- M0 H- c6 ^4 T% _, i5 |6 c
get-global-proportion
; W; Y1 E* z# o' Ylet trust-value4 P+ x6 R9 C/ e, |# j& P3 [- w
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)( p2 z( R4 f. Q$ Y8 ]/ w0 ]
if(trust-value > trade-trust-value)
% E; w$ N ^) V[set trust-ok true]
' I# O* U2 s5 E3 I8 Jend$ b. ^' v0 U0 u( i' U8 v3 Y& r
$ R& S* D3 d; \* n& ~
to get-global-proportion6 u+ U$ I- k0 N9 ^0 ?6 t; x
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3) I7 ]$ i: H0 |8 ?" o
[set global-proportion 0]
1 R4 m( q# H$ v8 `/ J; T+ m[let i 0, o/ a! k7 a6 e5 k, ?
let sum-money 0
3 g* f, x0 V! O6 G( swhile[ i < people]% @) ^* f5 ?5 n" z9 `, {3 J
[
: O. }" |+ ]5 T6 ~, i3 y; uif( length (item i3 s- N# D+ W9 ?! e
[trade-record-all] of customer) > 3 ): r5 X) w# O8 w- P: [9 ~
[
) K8 c8 x$ c( h9 |) g) e" _set sum-money (sum-money + item 2(item i [trade-record-all] of myself)), P$ {0 W: ~" B5 \
]
3 m5 s6 A0 u8 J, q: Y2 G]
- Z. b! S% u# _3 @ U2 F' \let j 00 ?3 D* h# h; @$ c' T# r) |% Y
let note 0
7 K. O; g6 Z; _while[ j < people]
4 R# t3 M, h) X, D) W6 I9 F[
# Y7 ]' V5 ^( I: p! j# Pif( length (item i
- c3 H2 l8 { Q" {" D# D* y[trade-record-all] of customer) > 3 )
/ p! g3 |2 k s4 g[7 e/ N3 T8 r2 J1 B" I4 s
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)! z. w. F& a8 @! V) T
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]; Z( ~# ~ x3 _) i% r
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)], ~, q# \; W0 y' s( L
]0 u/ t- q* _' f3 @$ p3 g
]
" l# x7 h5 _( E1 N$ d. rset global-proportion note
; g# ^& K1 W* d5 w]
0 @4 d5 ~2 p& ^5 K @end
# \# E1 u$ p, V* b7 W3 ]& {" D; F- e
to do-trade: \+ e, X, v: W4 H7 B, o
;;这个过程实际上是给双方作出评价的过程
9 c7 o: Y7 @& sset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价9 b; v% @& {3 b$ s
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
* L% s7 r3 T0 ?) W, B& K' W! [set trade-record-current lput(timer) trade-record-current8 |' n9 @$ ^' l6 ^; G
;;评价时间% {3 H4 x" G) M0 x6 s) L. e9 m" h
ask myself [' y, m5 a5 D9 `( e
update-local-reputation9 K) k2 |: t4 X# u) J
set trade-record-current lput([local-reputation] of myself) trade-record-current
. q+ E) e# Z8 ^1 L% x1 S& []/ m) n* j* Z- u+ J8 k
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
0 S1 Y3 ], i: p;;将此次交易的记录加入到trade-record-one中8 J+ Z8 ~0 P, a3 n
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself), p7 [% ~0 Y5 A0 l- ]
let note (item 2 trade-record-current )
1 m8 ^1 \. w( t1 I- Vset trade-record-current6 ~0 w2 W& v; S2 j6 C! |
(replace-item 2 trade-record-current (item 3 trade-record-current))0 k- m6 {1 [( r# E$ f
set trade-record-current1 R7 S+ D) a( `
(replace-item 3 trade-record-current note)
# d" ?- s g% i7 l. J" Z9 C7 g
. m% ]* |/ S6 B6 l% n3 B% b3 m3 X# L* t
ask customer [/ z: D0 O8 u; g6 _' U
update-local-reputation
. x( G* A- i5 w: _set trade-record-current& }( Y5 C# e" e" o. C
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
9 ]% D* Q+ I1 P- V9 e0 T' s]( ^- G( M& m0 c
/ I p" @6 G1 j/ A
( b: V& N7 B: K# [ i, @' E& uset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer8 Q" y+ E; W) m; B: {" b0 p) T8 N
8 S4 a$ `6 g' A+ Q0 H4 F {' U0 z3 K
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
2 y/ q' `/ J# Z8 j) J;;将此次交易的记录加入到customer的trade-record-all中
' N" Z4 G" ~- k! e" E2 j- v3 Zend2 d, z" C- W, Y
+ R2 U3 v W! g8 r8 H n/ m7 O
to update-local-reputation
7 J$ I" E. C+ t& Q8 J: lset [trade-record-one-len] of myself length [trade-record-one] of myself( |3 J4 v$ x2 O6 o; j
: e- r: C( l9 t7 t) s$ {
& M( r# M. y5 e' ?
;;if [trade-record-one-len] of myself > 3 3 d% E/ P; ^( F j$ R4 h6 ?
update-neighbor-total
' Q0 [0 Y+ E7 F) J, G3 g0 d;;更新邻居节点的数目,在此进行: L4 Z2 h; e9 `; x: y' m- ?/ Y
let i 37 x) V7 S; z7 x: Q/ T- ? X9 j# j
let sum-time 0# ^! G0 Z- x9 Y/ C3 q
while[i < [trade-record-one-len] of myself]$ d! d; W. U( f% F& w6 h
[3 k3 c3 |. ~5 T% H( o' _
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
: i0 R$ O9 t9 r3 {. G8 I" Mset i/ K: j7 z5 F, z R2 K
( i + 1)
; q3 o4 p9 J9 q5 E! {- J]
# e# j; K; ]& mlet j 3# n6 }( M' {8 S* J+ N8 [0 A
let sum-money 09 b8 o9 E/ Y6 ]- d M
while[j < [trade-record-one-len] of myself]
1 M1 p4 J/ H1 ]' U) R! M[2 Q% q# X2 w4 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)
1 |/ Z0 ]# w4 d0 ~set j: y( d* Y; ]& B8 i6 @
( j + 1)
8 m( y& I; O2 m]
# X& w9 r# t4 X7 |! {: Tlet k 3
) ^/ t6 R0 n$ I+ i1 H5 ^let power 0
0 T# }% `: H2 C. x w( Glet local 0 V# M) ^$ o- k8 I
while [k <[trade-record-one-len] of myself]' X* e% h# k* m2 f1 z8 W& x
[
3 y* `+ B s1 Dset 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)
' O8 z5 z* D- A3 G/ e/ Uset k (k + 1)
1 A ~2 y( M2 m$ \( J3 K- M]
+ n5 b1 u" ~- q! |3 C! i. L" }8 Dset [local-reputation] of myself (local)9 b# l8 v/ o6 U' Z; b' _9 Y- H! L
end, G0 p; U$ Q, N b5 `# U
* g1 I3 v- T' O- n/ g) G0 C* Vto update-neighbor-total
+ \3 y4 }9 K6 I" S3 h2 d# d% Z g2 U4 i) w9 |
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
5 r L- w1 s% g5 G$ o+ T4 R# m: S* w/ M, P" M% y4 ^6 e
1 L$ I& U, x6 ?' Lend2 O! `( g4 _+ D) C# D+ ?
+ o0 B/ t) z" L' V% Y# t \to update-credibility-ijl : @% e ^% m4 G3 W" C: H" C+ J
( a+ z3 u, b) y& N;;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。+ R4 ?) h( p- g2 |5 T7 ?7 q2 ?
let l 0+ d7 r% r: X- a+ c. \
while[ l < people ]
/ b; h; o( S, E& 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
7 C7 ^% s! V* S O6 i }[
. s# \; @% k. G0 _8 f; clet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
: B+ i1 Z/ L: M6 M6 Zif (trade-record-one-j-l-len > 3)
2 Q$ {6 P$ N/ T2 \[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
& T' {6 P, T8 z5 {( I1 Rlet i 3/ T3 v7 F* A/ Z2 F8 O& E/ Y0 F
let sum-time 00 [. K- c/ k( k3 C0 {
while[i < trade-record-one-len]
& z) w9 {# [5 I) t- r[2 o% X( e2 G4 ]- \
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
% b* R: E0 m3 k5 Q' W6 Bset i) w0 N4 `; d# \" _5 X1 C+ f
( i + 1)) a) I# g# f& W M+ I/ s; a0 T4 W& H) V
]
8 k9 J8 S3 e9 _% r+ H1 O& h# i2 `let credibility-i-j-l 0
( ]2 Q6 N" W9 N+ n9 n) Q;;i评价(j对jl的评价)
" [' c$ H+ X0 X6 Glet j 33 \: j' b: T; h+ V; w, S
let k 4
5 n# a$ P2 Y& C" Y1 U5 ywhile[j < trade-record-one-len]8 g) \3 y( E' X, F7 e6 t1 b
[
- k7 k. D- g4 s' R9 A* Q5 `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
) `8 ~9 U; i# B; ]% P0 nset 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)/ J+ ^/ @: ?' ~
set j
. e8 I# h X9 O% }$ B( j + 1)
* r) x+ y6 s' a& B7 X]
8 V( i1 O0 v: \5 v3 J. Uset [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 ))) ?. ?6 t7 z$ }
9 V5 n6 S, G3 n$ S. r/ m6 ?
8 J& N* x# C# m$ wlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))- ^7 l/ a$ K9 p
;;及时更新i对l的评价质量的评价( i, [+ h- U! S
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]& t& d' S3 T6 p1 [' r
set l (l + 1)$ _0 x: L% n% Z
]
) W/ u( `. `8 l9 ^9 Zend, `* ?2 W2 W9 b5 |
7 G& H. D4 ~2 p, q' f6 D
to update-credibility-list
. ?. i8 M/ S. S% d+ k; |let i 0 V$ D, X0 O* b v% t
while[i < people]
0 r7 Z! c, B. p" y$ s[; Q' D! u8 t+ l
let j 05 ]. O# Z$ O ]5 J) |7 i% l
let note 0
3 A5 z" q3 F. ilet k 0
" Z$ P, P6 T( J( j. ]7 i+ W;;计作出过评价的邻居节点的数目% Z6 _& [) ^8 l4 l2 e! j
while[j < people]% j/ q. f$ Q, y4 I! x3 b* X
[
% d- i. h& J3 uif (item j( [credibility] of turtle (i + 1)) != -1)
9 X a* j2 e' V5 [9 v% g;;判断是否给本turtle的评价质量做出过评价的节点
, b' g& A& }+ c2 ?/ `[set note (note + item j ([credibility]of turtle (i + 1)))
! ]! _4 V; I: w0 G8 e;;*(exp (-(people - 2)))/(people - 2))]
& E6 _ p6 l8 m& p) p2 N3 D8 M8 d+ \; vset k (k + 1). `# V7 e0 x$ s& Z7 t# H8 r" z
]" F) ^+ m: h3 v& L" P# [0 R: U
set j (j + 1)8 E' J- U) p1 r3 ~
]
) m. Y; e2 _* v& a2 s* Xset note (note *(exp (- (1 / k)))/ k)
, u2 R/ ~7 ~+ m/ gset credibility-list (replace-item i credibility-list note)4 h: w& l* [1 m1 D+ z
set i (i + 1)+ l0 @. q( A: `' j5 ]( r& v! B
]% p1 Z: b6 G1 b7 t* r
end2 c' F0 @- Y4 n3 J0 g
- n: |8 \4 Q* R$ t1 vto update-global-reputation-list& `- Q# ?: z% f/ Y4 ~# O" F
let j 0% S% z2 B" f2 g5 H: y2 R
while[j < people]+ D$ K+ \" ]9 v9 J
[3 x) G! ]9 q. `1 G' ~
let new 05 n9 s [9 a2 U1 b6 R% J. m
;;暂存新的一个全局声誉5 m; E3 ~" A4 Z/ E
let i 0/ R, { p% X/ {5 j* W
let sum-money 0
2 x% _0 t$ d C3 h1 z8 B( P1 Wlet credibility-money 0
( H/ D) \) k8 [' @9 {2 \while [i < people]+ E. a7 `3 s" P* e7 V- X
[
1 X5 |9 B: x# w; i$ ]7 Yset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))); L/ P$ D3 x( _ D+ s5 v- {
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))% E, [+ j1 P7 C" d5 u3 {, o! _
set i (i + 1)
8 e4 Z9 I6 B5 x6 F# P( o7 O]
0 [, R5 @# J( Y) z8 Ilet k 0
! F0 V) U2 L, J u/ dlet new1 0* _& r3 @" Y- I9 J% ], L! h/ K/ ?
while [k < people]% d' u* ^; @6 z) Z% N
[
' ` B9 Z" V- l7 Mset 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)
% U, H; ]4 |! Z9 C, s9 [) oset k (k + 1)
2 j! ]8 F6 k+ ]3 d, L7 i! v]: j: p5 r) }) R! X9 {/ u
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) - |8 e) t6 W; e
set global-reputation-list (replace-item j global-reputation-list new)
" Q- V; m# U9 M, P2 {set j (j + 1)
4 [2 A$ Y. Z. U: i' w, r& P]8 n2 u$ W7 `' K, a
end
8 a1 |# D4 ?5 ]6 a. i5 r4 X! p9 D) d4 U/ `( \
! v1 U4 O1 R1 i5 z2 V7 `" ?1 n+ G; |9 x' A
to get-color
0 |8 W/ Z, _7 | }
6 v/ u1 S: | P6 \, U9 M! y3 Jset color blue- D8 f" A: \. U8 W' ?4 m
end' U% O6 B l4 @; y s5 P8 {! ~2 R& J
7 p7 S. N( }3 @7 X; U6 A; ?to poll-class
4 U C1 H! O, y9 Tend' r: ~) o/ E$ l$ \6 _5 B: i, i7 \
4 D) P, F& [6 D% Z! G- K: Nto setup-plot1
; @/ z4 Q/ i# ^) @- C* g" t1 ?# J9 |! E
set-current-plot "Trends-of-Local-reputation"
8 H5 V, P" J9 M) [0 E
- a" ~2 z' y2 S) q+ S1 Aset-plot-x-range 0 xmax
( D' m* _" @, U, E3 Q! t4 H ~; X: S
set-plot-y-range 0.0 ymax2 W6 ~/ u1 F( T; {/ P( s G8 }
end1 ~' f4 ` ^ p% _2 b/ l" v
0 _$ d) A( F! \# y* E: _
to setup-plot2
: z% v0 }3 \* T: |' w! Q6 f m: M) m' S, F' u. p
set-current-plot "Trends-of-global-reputation"
/ }( Z N' \" g4 h3 \; S* i
( X5 E# o7 T2 Y& j& B+ `set-plot-x-range 0 xmax
$ V p' |" `( Z) Y7 m
1 M& K9 N* |# P: h6 i) N. Qset-plot-y-range 0.0 ymax; U0 ^4 z$ z& v% p
end
6 L, r- m1 |% L1 w/ g
" @3 i3 v- S. n; b5 Nto setup-plot3
. N' T! Q) ?( U; s7 j6 d3 i4 `
9 ?5 Q9 h5 s. [set-current-plot "Trends-of-credibility"2 ^7 Y+ q7 @$ z# f5 _
& G4 d1 W4 q! Z! F, i$ b
set-plot-x-range 0 xmax e. [# G6 ~( K5 i6 u$ {
4 K. m* j3 E; W0 T' `8 Gset-plot-y-range 0.0 ymax- r0 j# G6 f5 [' [- x" M G
end
4 }5 @' G5 j* d1 D; a9 c n( b! ?
to do-plots) O4 y" Z' J: w, c$ Y( p
set-current-plot "Trends-of-Local-reputation"
4 p/ P( s0 d+ J" c+ t6 w) y5 Q2 b l" P; Tset-current-plot-pen "Honest service" i' ^) B V* o# y
end
6 k5 g! J0 R+ M' q
# j! W9 J. h* G- e) w& F[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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