|
|

楼主 |
发表于 2008-3-18 13:10:54
|
显示全部楼层
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 w- T T8 P m9 f0 w
globals[
" o# G; e: I* Cxmax
4 [! {5 o$ K, O4 wymax
3 F1 D6 f6 l8 D1 i9 jglobal-reputation-list- D( w% {, i) e! y7 Y7 Q
" d: V7 W2 r! r3 g6 A& ]" _;;每一个turtle的全局声誉都存在此LIST中
& i* `: _) T. [0 f* x) d3 V, Mcredibility-list" l1 B8 u# X% O$ X: H5 I' D2 h$ n' e
;;每一个turtle的评价可信度
9 J) y, A. {3 Ohonest-service4 ~9 J) e" j+ U: Y
unhonest-service/ `: r3 t- U' E0 [
oscillation
7 y9 i! s! Z+ r( P4 r5 P1 yrand-dynamic
) F4 _9 ?+ Z5 i5 @$ E/ z) G]
* d( Q9 m- x. N' X, s
, O0 C7 a! F% L6 l+ Y9 Tturtles-own[
; V) m& p8 L2 m8 z/ f, ]trade-record-all
; |; j3 j# i4 b# s;;a list of lists,由trade-record-one组成
6 ~ M" V, O3 y0 ltrade-record-one
4 u# \ i* K6 p) a. Q1 z; [7 Q;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录) Y3 s; U$ F3 u9 q$ ?
* ~1 _$ W7 b/ D i" x+ c! L' v( p;;[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 m+ Z8 u: j. a/ X8 i: B, j
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]7 l7 U+ C! a' K/ M4 G0 |- i; Y
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
" ] F7 T* v2 l, @- p1 X+ N! qneighbor-total
) C- {" q! T. ]- X0 d% x;;记录该turtle的邻居节点的数目+ F1 { q E+ B6 Q% d
trade-time( V: r) h" H) _- g
;;当前发生交易的turtle的交易时间% ]) m" N) a7 Y$ C O R
appraise-give
" ?( t: y" u3 q! z; F3 X;;当前发生交易时给出的评价
. r; v/ }) C% {8 ]0 Fappraise-receive0 Q! K: m1 H3 N; B( Z: K' ?
;;当前发生交易时收到的评价: \/ ]* C4 |: L4 @/ ?, e5 X U. v
appraise-time
1 }2 `' r8 a, S0 g' z$ t;;当前发生交易时的评价时间3 |3 ^% F2 j) s
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
( {$ P( ^6 ]* A/ T; Otrade-times-total
& d( m. N" P* e& |2 K8 p/ j; F5 w;;与当前turtle的交易总次数1 x" G K- A8 A- {/ i, J
trade-money-total
; a5 K) a, D0 d( t) T;;与当前turtle的交易总金额 M3 N1 q% Z) T. Q4 H k& D. F& P
local-reputation4 D9 U% x$ @1 g
global-reputation
4 T2 m2 A- o( S. C- F6 N0 Gcredibility: G; ^+ J P9 \; W
;;评价可信度,每次交易后都需要更新3 O( H: `) Q2 t( e
credibility-all; a+ H) e' I" ~5 D' f. f% M
;;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
# p! B7 |: m( B3 T+ R5 j
0 u2 D. k! y$ 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
0 G8 I/ \8 l9 ^+ ^credibility-one
5 b0 R6 w) S: z! [4 S1 ^* _;;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
$ \! |# s9 P' ]* `4 Z9 Lglobal-proportion/ {, ~# U# d: d1 h, K
customer5 w |3 r! L& \& V: Z) ~3 w
customer-no
$ ?5 h. G" I, Y) P- k* Btrust-ok
3 k! [! A( |+ T# [, ~7 }# D( ~trade-record-one-len;;trade-record-one的长度/ I. o; [/ k; u- U
]
% |+ x8 T i7 P2 n; C7 |
3 ]* ], U: @* I8 e+ @;;setup procedure
, O8 L( w& ?" u% p5 M" Z4 K
/ L7 ~/ B8 z- i' ito setup- ~: b( N1 O% j: c S
" U" U, `+ d( W# f
ca/ |( V$ C! k9 K
( e% t0 ^: w* T) l/ j( uinitialize-settings) u$ C, v! Z% A% j1 }
2 V( [4 s8 p$ z4 u
crt people [setup-turtles]
. D7 }& w+ {9 k3 g9 s( f6 c) b- W) O [$ N1 ~ u9 b3 E$ b+ |
reset-timer
: @* }* i$ @! x, o; T# ^) X0 K7 B' d4 G- P) z: f. `) u
poll-class/ h8 L" I- ]! u8 ], o
~. W: p5 u4 u# Ssetup-plots. V5 a, H9 ]6 x F4 }
1 W+ _1 }9 `' H1 ido-plots( `/ C; r; o$ r |! t
end2 Y3 P+ A$ N( K/ Q" \" \. r
7 }+ _3 L( E/ f( mto initialize-settings
' I/ y0 |8 ^8 M+ M5 w
- m; X( ~, I6 e3 H: a. hset global-reputation-list []1 f% z! x% t1 @' a. R( E
0 D3 b, y8 q5 a5 v" ^, K' n+ |7 `
set credibility-list n-values people [0.5]4 Q6 \! q) @8 J7 R, r; w
) ]# P! c# X T1 i# Eset honest-service 0
, U, S' F; H9 s" r4 y! q
3 s7 L% e3 M; f0 h8 _9 Pset unhonest-service 0
: q& `; b2 Q, S8 Z1 V& ^
9 B/ p- K& o' D6 cset oscillation 0+ ^4 k; u) V- B6 j1 s6 h! ?
* f0 R4 [9 {; w. j' U3 m
set rand-dynamic 02 t1 X+ n2 \' ?
end1 r1 H( x9 y6 C) C* q
+ I( H4 q- b) ~to setup-turtles
2 E% |/ E5 M/ Q1 f7 o% O' qset shape "person" `- z( h0 C% U; j/ q" J4 G2 m
setxy random-xcor random-ycor
1 d1 p( |! t ]' n- @$ X7 tset trade-record-one []
4 Q' |# \( L% z5 G; _0 s4 ~+ ]% C! w y
set trade-record-all n-values people [(list (? + 1) 0 0)]
0 G& L: {5 l! Q* e: J; z
( ?1 K, _7 ], d( l, ^set trade-record-current []% C" b% j. E. t. a9 K0 S7 g
set credibility-receive []1 t$ Z* V! f2 L/ \( q7 N
set local-reputation 0.5/ f3 d8 U: y* n1 s6 |
set neighbor-total 0
( W9 x+ \: ~: g4 U, z! X' W) bset trade-times-total 0
3 Y8 @% c7 ?+ p( Jset trade-money-total 0 ?" k- W+ u6 u
set customer nobody
( I. H. z: s D( h5 d7 l' m- \8 O1 Pset credibility-all n-values people [creat-credibility]
! B; P2 h1 X3 u* }set credibility n-values people [-1]
; e0 b' E5 y! z7 V3 D5 sget-color
+ e2 O! `, }1 v3 P$ R3 L* T* x9 q" _. a3 w' n1 d3 W& k4 W# {
end6 l" ~. e# a' M. x2 c
# l- j/ |; I( r! ~2 v' oto-report creat-credibility2 N% D A: C1 w
report n-values people [0.5]
2 D4 u) M" V8 ?+ S A n7 oend
9 X5 ?: e ~6 _$ H5 k, n2 J
) v/ w& j, \: l# |5 ]" rto setup-plots
2 l _5 l& P% T2 F4 r. o+ E! Z0 t1 r6 W/ I! n5 Q: N
set xmax 306 Q9 G- u, S3 B; r9 z+ M7 j
' _1 T7 p. \$ Vset ymax 1.0: E; B* e2 s) ?( v8 U9 a) _0 G% k
! O& w* Q* S5 T# X
clear-all-plots
7 g+ x l# y7 ^8 `- d& g6 G
0 t1 e# h1 [2 @' y/ s. }. [setup-plot1
: P. `0 F- d& A# D- T% }4 G( l6 h- L( ~7 \8 A
setup-plot2$ V' L9 _" t; o# l2 i
. `2 T' F2 p/ W+ x
setup-plot3
6 e% z3 ]) v" l: J; h3 C& S) qend
g$ W, A2 m: s9 q
: F+ j/ A% S3 W;;run time procedures* K. m0 p6 E% b7 K, M
0 c8 Y* i8 P8 n. J$ A$ v
to go7 x, ` T& e( @2 e
% A4 A) L" {+ I, l( J/ n* nask turtles [do-business]' z3 `, m; a; ?$ D- s& r9 U @
end9 Z6 O6 M" L) v# \: X! |6 A
& K, z7 S" D8 b3 v' o2 _
to do-business
+ _( i$ s% c6 N4 Z# |/ g
( c7 s! I8 V/ T, v: v5 j4 f! g# F, p7 |3 o( M
rt random 360
( q) V/ q- X% T) f0 }5 @
: i! @ s& ~9 E+ ~$ _fd 1 U) ~- Y+ `# J: H8 d2 R/ r
7 ?7 P: B' a! d* b& f1 ?' b& k
ifelse(other turtles-here != nobody)[
/ y- ~; F7 _7 i+ ?& l! Q. k2 w1 h* R* z" P {1 Q( i
set customer one-of other turtles-here
5 F$ l* E8 O% B0 K1 O. N6 a2 p0 I0 ?7 G/ e5 z3 ?2 M
;; set [customer] of customer myself
" ^7 X7 {1 G+ H
3 \" P" H& `& u- b+ Kset [trade-record-one] of self item (([who] of customer) - 1)8 x! B6 o* a5 J5 q) \5 K
[trade-record-all]of self
4 Q' I F4 g& I" D' _2 T# u;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 s* k, {( {5 Y* i; H- k( J) K" v
2 J' a5 w; D+ n* t9 x( `( w# Zset [trade-record-one] of customer item (([who] of self) - 1)1 Q* Y# j# n( W: j* z% G
[trade-record-all]of customer {) k& B% D# M% e* S( B/ }; q
& p C& ~" \! U$ n
set [trade-record-one-len] of self length [trade-record-one] of self
" N- z3 h( I7 X' h+ r! ?) u
V- ~ c. D8 Z( ~) D, Nset trade-record-current( list (timer) (random money-upper-limit))
h9 E( ?5 C1 p. V6 y% `/ a. W" `3 g& p5 X. @
ask self [do-trust]
) r8 Y/ D: ]$ z4 [3 u4 n;;先求i对j的信任度$ h6 U0 k! j4 w) h" b0 w
9 ?+ y" l0 i# C5 W# K9 D- I1 R& Tif ([trust-ok] of self)
/ u) _9 q, w8 K3 U. A4 M# };;根据i对j的信任度来决定是否与j进行交易[& d( W3 K, a; B X
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
* ?, p8 L) L& {! v3 w {9 z v+ n8 R" C9 k- x8 G
[+ ^" ^7 N- F% C7 D. b
3 t8 `$ h+ X* Q& A) l: [2 Z
do-trade5 E6 N8 ^. |/ z
8 x4 j& }3 t3 o& {' @/ Z0 Pupdate-credibility-ijl8 W* O' f' E1 g4 Q0 x* L
- a7 @+ F- c% T2 y& Y& E% G! r5 ~
update-credibility-list
! a: k8 Q8 ]* N. _
! y; Y1 o; `4 B' ?: k! A2 I5 g1 A
/ _0 C" ^! h& E( { l/ E9 Oupdate-global-reputation-list
: z P* ?0 K" Q8 W& e( a5 b
% j0 d \! M E1 y1 Hpoll-class- d: A( M7 g* I4 @' `- f
3 }& q2 U( R, H" p* t' x8 D+ Xget-color
4 j8 ?( q* M- n2 s4 b% R+ z
) o' q2 \9 W, }4 _8 A" k1 S]]1 H* r4 y; P6 K) _" u
5 t" h R" A2 Y7 G9 `;;如果所得的信任度满足条件,则进行交易
( `! m" ]2 N7 D A, T; T0 J
, P) u# [' b. }$ q& p[3 l2 h2 A4 J; H$ L
. V x# V( @9 ]. G( _" `rt random 3605 ^* V/ A6 d+ r1 ~
( e' `5 {0 |9 C( {" V! I0 ~; g! }
fd 1/ u+ s( ~5 P6 V
9 u+ w6 u! j! T1 z- A
]- j# E: G' I& G# y1 S* n% v( s: c
0 v$ m! G0 F/ a: Tend
0 n( k/ U/ n7 x5 T8 B& K% k$ w. g% a6 K" Y
to do-trust
; n/ e4 B# P" V# }; b7 ?, Gset trust-ok False
% A8 b% R0 w! z) H+ c: B- N; j5 y! z* V) V' l
6 f9 N' D# ~7 T' Z% _( |
let max-trade-times 0 [. u3 _! O: F, S7 Z
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]8 J; k- |( `4 [1 N S- j
let max-trade-money 0
/ Q- T) n7 ]4 S: U7 r8 E! r9 Yforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] B. J$ |; N* t
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
1 f- ~4 q o. h2 u" m, b7 p$ e0 e6 W/ a$ Q. ~
* r9 f7 y( i7 {% Mget-global-proportion0 m& u# C4 E; m- S% ~3 I" B
let trust-value/ a4 G k& `, Z; R
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)
- @2 N/ R) | D4 ]1 Yif(trust-value > trade-trust-value)
- P: P- u1 |, B8 i. z6 ~$ k2 I# B[set trust-ok true]. o- J- U6 T7 {4 }
end& S4 F% z- _+ ~0 F% G G
" ?$ ~+ _3 b8 U8 O) w+ w& hto get-global-proportion# t3 y: t0 K8 G3 f+ `( Q
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
0 l: ~! h7 B( F$ G, }, u[set global-proportion 0]0 y! T2 A" ?6 s8 ?- i9 A
[let i 0! l: Z i F, [! `9 `
let sum-money 0
+ E/ q0 {* K" m7 [2 Rwhile[ i < people]
6 w' n# }3 ]5 U6 \[2 W0 s+ W- K; _ _3 z! W
if( length (item i% l7 | K# W5 ~! O1 [. \. Z7 f
[trade-record-all] of customer) > 3 )
* { ^6 ~! K6 T( y( L- w[
; d% F6 i% t0 _) M+ {; i# L4 j$ ^set sum-money (sum-money + item 2(item i [trade-record-all] of myself))7 g* \+ @9 q8 B
]
- v8 _0 t, N _8 |0 f]6 Y& u- I- Y7 X: a5 w
let j 0
5 A# e: o% g1 [$ r! D( Q6 Alet note 0
: R$ g y: K- F! ]$ dwhile[ j < people]1 K: c: H% F5 E. h* c0 v: V7 F% s+ \
[
' H5 d( R4 W( p7 wif( length (item i
1 z" l% Z6 Q0 X: |. Y7 ][trade-record-all] of customer) > 3 )( F: C2 n1 l6 l# p
[
O1 ]4 s% L, S [ ?- g/ Tifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)# H' Z' @( Y" g8 k
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]# U- b9 \5 F+ `- |
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]- }, a) {0 d* G% W) U a
]1 P7 Z G/ F+ I5 Q
]
9 I; q2 c, z% O( W+ @6 q' Qset global-proportion note$ o# j7 r9 h9 R+ H
]8 n) B$ n; B- }. d2 z
end2 H" _* `( m7 e4 {& ^
3 c7 u- N) ~, e) L
to do-trade
7 ?$ O5 k) P3 [' B* f# u- @8 k;;这个过程实际上是给双方作出评价的过程
& v; m% v7 @2 e; a/ A. }" Rset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
* `/ Z0 }6 E7 s: R5 _% pset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价" r& y+ \; i. {
set trade-record-current lput(timer) trade-record-current
. s- f3 x' G; V) F7 [& M, T$ h;;评价时间
! ]% J% E7 p) v. w: H5 y- nask myself [ P) W' |3 F7 J, f n: w
update-local-reputation
5 @( O% S8 T1 m8 ^% w4 N( P, dset trade-record-current lput([local-reputation] of myself) trade-record-current
1 h" d$ y/ L& u7 L. p8 u( j]# F# @* m" e6 E& f ~
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself, A/ M; B1 Q0 A7 |+ T" k! V0 u
;;将此次交易的记录加入到trade-record-one中# `% X9 p: E6 p% x) [6 v6 m
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
! o4 ~0 C/ q% n9 x" M4 A3 V1 `let note (item 2 trade-record-current )
* ]% D- l5 [/ w$ t% i2 o" d4 pset trade-record-current& C7 `0 K2 t1 n; H+ L2 L: d+ `
(replace-item 2 trade-record-current (item 3 trade-record-current))
( L3 u" _: j( `) L+ G/ y8 j+ Pset trade-record-current7 U. |# f& i( s: ^2 ?
(replace-item 3 trade-record-current note). |5 a$ V3 I0 z( u( L6 d
4 q% z+ f1 s7 p/ a0 K. `8 c7 V
ask customer [
! I v- z' u- G/ ^update-local-reputation: X) n3 g: W K0 R0 H
set trade-record-current6 E. w% t7 H# `8 p" c% q }: J: q
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : z: Q% i" G7 i7 Y0 p
]% i i) k0 F+ w% m1 a7 x
q7 W3 D. r% R! r* \7 A0 j" _( q7 T! ~/ O
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer9 p& l! j- C5 ]: F
' |# h$ D1 ^( E4 M& C2 O+ V+ M0 {5 a
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))5 I! Z8 ^' c2 \# b; c. R
;;将此次交易的记录加入到customer的trade-record-all中
- o& ?( t. s- j0 a+ R" xend
' C; C O5 O7 r$ e1 }" r7 d) d& ^ l0 Z: U1 k$ y+ R! F- [
to update-local-reputation
. B+ R, Q2 n: z, @) L xset [trade-record-one-len] of myself length [trade-record-one] of myself7 j+ c4 z" p, n, i6 j1 T4 O
; j, V* T3 v; c) F8 C1 f0 j' D4 t" f$ B9 `' F! [/ {5 F
;;if [trade-record-one-len] of myself > 3
: A4 \; I2 t" F% s; b3 ]# a/ z& fupdate-neighbor-total
9 P [" Z$ O+ B" h5 c3 v! \4 i8 K;;更新邻居节点的数目,在此进行
. q c+ v$ n+ \9 G8 ?let i 37 }2 b6 J( d5 J0 v1 ~9 l
let sum-time 0
7 |8 s0 g: M* p: U5 i+ nwhile[i < [trade-record-one-len] of myself]
5 L3 z4 ]8 I. b( m! a1 E[
% D ~7 a4 c5 n' q, }1 u3 bset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )) n# h' }! w$ y! C
set i; [7 {& W$ E8 _; @5 c5 r- ?& k) w8 g
( i + 1)
) O% \+ a9 D, p' @/ u* F]
/ Z( M$ ]7 K: @# }let j 3
" O9 v; f% p7 llet sum-money 0
" `' |! {3 ?# ~& Owhile[j < [trade-record-one-len] of myself]
) _5 |* B9 [( n& {[; Z7 w. {( H& l4 f. R+ p
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)& A, R; C/ k2 V7 e/ f# B
set j) M( |7 a) _% ?7 N3 l2 u; A. }3 s
( j + 1)2 ?* i9 F# t3 ^6 W% Q
]3 n. {3 Q5 {! ?1 Q; b4 N
let k 3/ ]; h8 J4 H5 |+ l( _+ t8 k2 J
let power 01 Z& [# R+ z: e# j( o$ T
let local 0
' D+ P2 [- ~( }/ ^8 F0 J2 y7 Ywhile [k <[trade-record-one-len] of myself]! x( R# f. j, R5 r+ V
[
' k4 ~' w( `$ s, Zset 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)
- x5 a9 H1 Q5 p) t1 Q* k! jset k (k + 1)+ ^- }% w+ S! u3 t
]* P$ n. a6 t4 c* ]) A
set [local-reputation] of myself (local)
4 }2 M. ]; @9 jend
% j# ?/ Z) D" }* P
; \0 G; y* e, Fto update-neighbor-total1 B: ?4 U: j7 i4 g" ? u8 f6 f
$ r' M4 c4 a Z! v( D9 H' J, a* f
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]2 I( L1 e6 R7 W ~9 t- @( u7 j
1 r: Z& F( F2 G
& k, Z+ Y* F2 a9 N- }end+ K, [5 Z5 T5 L* i% i$ k# ]
, P4 @8 l. ^5 N" b
to update-credibility-ijl
' y6 o6 J5 L( n* R
$ B# Q g8 @% i+ P! V l6 F;;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。
- h/ P2 V4 g9 \! s% tlet l 0
/ H1 R. d6 ~0 s5 s( n! Hwhile[ l < people ]
0 s3 c, `) C- A4 ?0 Q/ g;;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6 i0 K" }* }+ F/ j
[& \* f1 U( n/ B/ x
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)# l5 L9 t- P8 y$ G6 A
if (trade-record-one-j-l-len > 3)
" a/ I9 E F- v2 T G: O; h[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
4 H% X& `3 H" D$ q/ Q) \( S& xlet i 3" i! D$ E5 w2 s$ I+ F
let sum-time 04 w( O2 P- f' z( v" y$ ~0 J" c, Z
while[i < trade-record-one-len]
; ^4 K# x: Q* M; ]. ?[
. r6 M3 l8 v( i1 n i6 k# g+ @0 z3 d- J0 Lset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
- g& a) O) J2 K$ Z' c# Dset i
7 S2 Q# U, G' ]( i + 1)
. x" O9 g# x# s]
2 x( c$ I( U+ b' P( W: `2 U' Dlet credibility-i-j-l 0
& t4 Y4 A7 ~0 w9 Z6 `4 u;;i评价(j对jl的评价)
' c$ I6 ?4 A* q" [' S$ e0 Ylet j 3 n3 l! Y9 f, l7 X" B% [
let k 4! q- Z0 r! U6 J4 j
while[j < trade-record-one-len]$ r4 |+ \. Z8 U9 x5 ]# u/ v P
[
! R0 s) ~/ ?1 G: _) D3 N' t+ Z5 }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
/ L6 r1 ? U: u8 L- y k7 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)7 V1 r6 s: h+ H; L, q+ T) }
set j' Y1 A+ ]1 K1 ] b6 v- p9 W+ E# v+ d$ j
( j + 1)
* ?- B; }# O3 _% U% `$ Y' k3 ^]
2 G# g9 T- P7 x6 g2 a- s& Q# x: nset [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 ))
* v7 B# |, l) n1 Z" \9 \9 ~
7 I5 L' c/ k' [5 o% r9 O. |" k/ G; ~* K* f
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
4 Z4 U" m. d' s( G. g' D;;及时更新i对l的评价质量的评价; K) R& Q$ ~& K# @9 j- q' [# a
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]2 r" R; F) g/ d
set l (l + 1), ?0 }& e5 \# O m- x8 f( \ u7 r
]' C/ b# t7 F: r: s. a. l$ `* X
end9 o* T* S6 u3 W
0 f# e% z/ E; L1 Q7 ^6 I
to update-credibility-list
7 T4 B' N9 T* t" Alet i 0, K7 N" M8 N$ X/ G3 \
while[i < people]
+ y: B' D9 B) W/ E( R; T[: G1 D b$ }4 ^! B9 `3 m/ A
let j 0
2 {( E5 j+ m0 `) W) rlet note 0
" K8 V1 i& P2 D$ v- e% _4 glet k 0
$ C0 O! K* a. w- T6 M9 V5 \/ N;;计作出过评价的邻居节点的数目
. Q; R( ]' c8 P f2 w) Wwhile[j < people]) n {! m( T! _3 e, o
[' o! c7 J& Z4 N" M
if (item j( [credibility] of turtle (i + 1)) != -1)
% ?; V* o4 {. [- p' P* h* p8 o;;判断是否给本turtle的评价质量做出过评价的节点: C+ s" d- b% v; ~
[set note (note + item j ([credibility]of turtle (i + 1)))
# \$ q6 `8 B& m8 L/ e;;*(exp (-(people - 2)))/(people - 2))]! u+ I% t# J3 V$ U3 U9 M
set k (k + 1)" l% y' ^& P0 \
]* ?0 S& ~8 C* i/ p
set j (j + 1)
2 }2 @# ]6 t5 e5 M]$ q, e6 C6 V! u' l6 v0 l! y
set note (note *(exp (- (1 / k)))/ k)
$ V3 o# I4 n/ Dset credibility-list (replace-item i credibility-list note)
3 G/ C4 l& w a: r! l1 }9 G& ]set i (i + 1)+ \$ L( [) Q& O; r" w L [
]
6 G& @( P/ a4 A& W' ~8 }+ aend7 ~" @% j4 R, x: q# @/ S ^
: X7 ^6 Y. l9 r! V; J- B5 M
to update-global-reputation-list) L- v3 y' G& _, F; ?8 s5 ~$ |
let j 0: G# r6 n" M5 e) D V
while[j < people]
, m, [8 W: o3 L[
! W( o1 x% g% Slet new 0
( I' Y) F) G( s% W- z7 m;;暂存新的一个全局声誉& f- P2 y( W$ N& R: P% [5 d' a
let i 0
4 Y3 L. T% ]/ p, plet sum-money 0% k) O- p' ^5 v! I: K3 {9 D% S9 \& P
let credibility-money 0
- h6 C2 U, {5 { K/ d h( L1 pwhile [i < people]8 c9 X3 h" W6 ?% `
[; A0 G' X4 T" w( z7 p# X
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
6 f* K; l8 V* K9 X% U" ?& Bset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))7 Y' t4 G- U& B5 m! _
set i (i + 1)
! u T2 X: I' N% r; I; k; V+ N] j" f2 H6 Z G# Z$ Q
let k 0
* b4 A1 [! B2 D# x9 Y6 e/ j' slet new1 07 Z8 |4 Q; Q# A1 W6 P
while [k < people]$ v3 _7 W( L$ D& D
[
5 j$ s) C4 G Q3 s( C6 bset 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)2 ` W6 j* Q3 ?- b" i( L) v
set k (k + 1)6 h) _, n" y* \- |' s
]
+ \5 M2 K& U3 Aset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
/ d4 O# o! {4 Xset global-reputation-list (replace-item j global-reputation-list new)
% N( r# @# x( I* j( I$ H, Oset j (j + 1)% W2 p5 z/ ^) m* i; i! F5 E4 U
]
6 F9 ^/ e: r: v* ?- E0 Fend
3 F6 c7 K2 D/ x \
9 d! j7 f& p& ]* z/ {# V: n1 E
% C: L9 z7 n" G* a$ V B$ A( y# c6 |1 O4 ~4 F1 |. v. j
to get-color
6 N2 I& l3 S m" p
0 F, d4 f& ~! S7 @4 Q! n. uset color blue
; m7 s2 S: t; ]! D, {0 Hend
* a% @) c o* e4 Q; W
$ m( m% h4 t h% y* D$ F" [to poll-class2 V# L, _) o: z5 n$ J
end
, Y; I' K0 n5 l: r
/ Z* ^7 x v/ S* W/ I& I( M0 kto setup-plot10 E: ]1 @+ _5 D1 f9 l
" K. A% X! a8 u1 P5 v* g( j! x: v. j
set-current-plot "Trends-of-Local-reputation"' T5 t7 ]4 \% x( {
0 S( a9 q9 K, I; X1 q" m( z! e
set-plot-x-range 0 xmax
' p A0 f. P0 j! q+ b4 S9 e
3 j7 q# _* z K5 B$ {1 rset-plot-y-range 0.0 ymax
$ R! c: F+ o# E' f* i7 Vend/ y8 V* K X1 c' }" p
! J" B- E! p" g% y- R& q- Ato setup-plot2
. j& ~4 `6 f* t1 D- P; a
4 C; L& \ x2 u' e W6 |$ Sset-current-plot "Trends-of-global-reputation" p. k. i' w# X
9 W) Y" n) }& G6 i* A0 ]
set-plot-x-range 0 xmax' X( a& p2 t/ z6 ~/ b
/ }. S, `. P" Z- t# ^7 q9 I# H8 d( }# m
set-plot-y-range 0.0 ymax( `# b( }9 w3 c% g( I; y) w
end
' A) P' ^) j c
! o3 V: ^$ n& O3 V3 \4 B9 ^to setup-plot3
. {2 Y6 u9 H, `) X
+ X$ |, |1 m5 I" c) P* ^set-current-plot "Trends-of-credibility"
1 [! j: U! L- H
1 u: u) i' [; K' Z7 h4 [9 E/ oset-plot-x-range 0 xmax' S9 N/ m h( _' N. }
- z( E" y) H( B: C, N: h
set-plot-y-range 0.0 ymax6 o! E4 U6 J& h$ n
end" a% b' Q1 S9 s! G; }* Y6 e
) _5 W/ a9 W3 r
to do-plots; ~* @% Y* ~6 C/ R+ b
set-current-plot "Trends-of-Local-reputation"
# i7 t4 h8 ?0 A. q9 H6 N+ [set-current-plot-pen "Honest service"
9 v5 n. t4 \6 r0 u: Rend5 X+ s8 r7 r& ?
: y- @. ?; j: E3 T2 _; M5 e# E[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册
x
|