|
|

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
# l* g7 y: ]3 t p" Wglobals[) D5 i6 v! k3 _- L7 z
xmax. q: n' c; I- `5 C
ymax
$ x# ]# l' S8 \& }global-reputation-list9 o' o- D: |% R/ K% C
) c9 X% n1 L/ A8 N( z! E# [0 I
;;每一个turtle的全局声誉都存在此LIST中/ C3 @6 w6 M! P; @5 X5 f+ H
credibility-list
# p& W7 o/ K# ?( B' L0 B;;每一个turtle的评价可信度 O3 V/ y$ l! \6 B* n4 b& h
honest-service
2 E0 o% @7 r& G( o; zunhonest-service
- ?/ r4 p: i; W3 n( eoscillation
0 t$ L& ?' @7 B& A& @rand-dynamic
_: ~+ o4 R4 \0 p8 p0 M* r]# N. E3 h( G5 G
! x- D# N5 c# H/ N+ L. n4 Q
turtles-own[- S4 i$ W6 Y! I x
trade-record-all
4 c% \* J" U# r5 z;;a list of lists,由trade-record-one组成
# F; E6 w4 X8 j; x ~7 \trade-record-one
/ H; x/ ^1 Y. M5 x6 N5 W F+ i1 |;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
J# s. H. [/ E, P. v! `' ~* j6 ?' ^/ S" t. u
;;[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]]" ?9 m" @: ~' ~1 H0 h: U
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]
8 J4 ]# p/ b* _& V: M* n* C9 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
/ ]; n8 v+ k( E! R5 fneighbor-total1 w- ~' k3 Q1 a5 L
;;记录该turtle的邻居节点的数目" E% z, | R- t5 M: s
trade-time2 `3 h/ c/ P/ s d! c( F, Q0 H+ u
;;当前发生交易的turtle的交易时间; L" f6 F8 Z; {* k1 `
appraise-give+ y' ^" S# H+ [6 i( v9 M; v
;;当前发生交易时给出的评价4 d( B% N: E3 u" W
appraise-receive
: [- ? ~/ o/ s0 e;;当前发生交易时收到的评价( e1 \# E% {: b, o& G
appraise-time
9 X1 P: z% H7 L* q: t2 R1 Z;;当前发生交易时的评价时间
4 ?6 t& Z- w! G2 {8 {4 J! ^* Hlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉
/ V) X$ }# \) Strade-times-total1 u2 q: k0 e& f+ N$ @# i+ \
;;与当前turtle的交易总次数' q& x1 M* x- l* \' M/ ~1 q
trade-money-total" C. n4 C- M3 k5 ?
;;与当前turtle的交易总金额4 I1 I) o1 ~6 t" o# m3 i2 \
local-reputation4 q: K7 [$ C1 W8 j- ]) Z
global-reputation4 R4 ^0 e) W( R& |: r/ |
credibility% u$ z' }5 A3 z$ Z9 \- d
;;评价可信度,每次交易后都需要更新: e! k0 z* _% Y) v( o
credibility-all7 s0 r, R% \8 H
;;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 @1 R6 r7 A" E1 h
8 [; V9 p2 q1 X( 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
% s, I5 W, n5 ^& Y+ v. g5 K6 Y" S2 Mcredibility-one
7 I5 K3 D* L- @ k;;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
" N0 t" Q7 f+ {( {global-proportion5 V+ N, m( ^# Z5 w$ y
customer+ p% x! G; s2 ?0 V Q" f
customer-no" x7 L- _- | X" H ]4 i
trust-ok1 Y3 H4 N4 g& z
trade-record-one-len;;trade-record-one的长度
' H, z7 g4 q% D% `" P]! C: x# A- A, c
7 }5 Y9 O2 { R; y' Q7 {% T4 m9 B- |;;setup procedure
0 d7 [8 K5 R8 Q# c2 b
! s W1 J( [) Tto setup
: x2 O$ Q, A9 M: A2 F* j; C* f4 w
ca
" F3 l& D( ~+ `; F# n4 z% k- L/ L/ [7 X
initialize-settings4 P/ u2 C1 n7 W
5 C& W d3 T. E. h
crt people [setup-turtles]" }' v" E: x; `: I6 y( {
( }8 F. f" d O$ \8 u; |6 F) m& q6 lreset-timer
0 a o6 V6 t) b' P0 R$ I% F
: D) H$ w* K) Npoll-class' [, `2 J8 ?8 q0 _7 l% Z
7 h; }/ a" u7 I
setup-plots2 { A* l m" a8 P
4 u$ T+ M4 F! i9 O( n% _' {do-plots
3 h' m/ T5 f! }( mend
l. R: p9 s7 x3 t5 G! `6 b( ?; Y2 q( Y& A9 ^- K2 m/ Q
to initialize-settings
! {* D6 u E; T
: W7 p1 I. R4 U: Lset global-reputation-list []
3 B% a3 @* T& Y4 e0 g5 A2 Z% C8 J+ y
set credibility-list n-values people [0.5]6 _# N$ S- ]# d5 Q
7 y4 n2 c4 J$ U9 Zset honest-service 0
! H0 [' d# @; k5 Q% A% C L
6 C7 T, Y- P! o1 o- Hset unhonest-service 0" Q: h2 g/ b* Y5 }1 e1 F% g: E
6 i, A4 L) w0 T! rset oscillation 0& k9 S+ e; w q% I; q
" t4 p. Q* {# p- _3 l: x: [
set rand-dynamic 0
8 ~7 l9 F) R9 b! h" ?0 ]end
; O: }7 O6 |' P ~& f+ [4 s+ h9 V6 Z3 c
to setup-turtles " a6 k3 f2 G( Z' r, P, }# l! N
set shape "person"# ~7 s- a) i: k' Z5 `
setxy random-xcor random-ycor* I2 X3 n% h' r1 A9 x. Q& U$ I
set trade-record-one []
9 ~1 L4 u; c, S8 L4 B" s% C; a
: y% {3 ^- |: o" ~7 I! g- a6 Yset trade-record-all n-values people [(list (? + 1) 0 0)] 7 c! v. G. G7 g8 u
7 C3 H) ]1 V* D: @
set trade-record-current []6 I: v9 c* R! a i# B X. G1 d
set credibility-receive []/ n% m% _/ \$ k: d+ Y3 o# X
set local-reputation 0.55 u0 ^# j% T3 w, V
set neighbor-total 09 Q/ e, x% ?: M: n* T) V3 ^
set trade-times-total 0% h& B! `+ d4 M
set trade-money-total 0
1 u- \9 |0 ^% A. n3 W# r' Tset customer nobody
; ]* K; z/ f! j3 tset credibility-all n-values people [creat-credibility]6 R% E+ G' ? {' X
set credibility n-values people [-1]
) y; b- ^( W4 Z1 W" Pget-color
, H* F& {( V* B( e. ]9 _1 h: w" I* E0 S& M# U6 o
end
' j9 j% \! |# I$ W# L
. K/ P% s4 @6 j( p, N3 u; oto-report creat-credibility
9 D+ l. T# u+ M; t3 H1 s' N" s! kreport n-values people [0.5]7 J) V: I" s9 v& p
end
4 B$ [5 [& j9 A( g5 v" x1 b7 H# `6 z' ?, o P
to setup-plots! \" P2 \) |$ x
, C3 L3 `. y- J1 q% `' b4 zset xmax 308 L2 Y: s' b6 Q# J1 H
0 F) `$ {' R7 B' m! u1 |* M" rset ymax 1.0* H2 p: ]* k" R. J" @$ L/ ~ z
% c) `& J: A/ H4 U4 \0 _, f
clear-all-plots" V. X3 x" ] M# `. Y
/ p/ ?' _/ [1 ]7 |+ A
setup-plot1. ~) a2 O! _1 N& r$ A
5 y G: ]: J$ K/ N+ e$ s; L! l; S
setup-plot29 d7 a U+ D9 ?
& z% b6 U; b$ usetup-plot36 t S. X! J9 a2 A, M" \
end
& @& l) O5 i4 B7 {- ~
( I- w% r8 \( k;;run time procedures
u/ J7 ~' L4 u n# b1 z
- \% }! Z" D/ Y, K+ H2 e' J, Yto go
) i! o3 E. E, H, u0 o1 K& Y+ \3 }% l9 b8 d1 W
! U# f0 c- N8 zask turtles [do-business]
$ j; e9 v8 O5 a+ I% W* \% Yend: n& W+ T: T' I: O! F
4 ]* A* P5 K4 P+ \2 z6 k# Q0 t" A) w3 u
to do-business
2 {6 ]: A& {+ q7 c1 T
( ]! W9 k5 z" g9 i
6 X8 w) d; e/ Q$ _$ [8 p7 A" Prt random 360
' j6 Q& m; J# ^$ R4 h7 D+ C0 t. M$ L% p
fd 1, X. D) u2 ]4 V- S# P9 @
. R% i. R( F, A" ]2 u8 C
ifelse(other turtles-here != nobody)[
$ z% B% h- c; p: N' f
3 D0 n4 M; q* e/ @1 ^! M$ C# Rset customer one-of other turtles-here
+ U+ f: h7 N3 x9 K
0 J5 U/ {( M! ^* {% J- T;; set [customer] of customer myself
4 g$ E, R8 L3 {2 c9 R4 g1 ^+ M3 q7 [! W G- F+ T
set [trade-record-one] of self item (([who] of customer) - 1)4 U" h# C& K6 X e$ U/ l
[trade-record-all]of self
& x B e- M6 G6 Q;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self! V- i# @) G, e5 t& d3 z
$ A9 t) K/ }4 A- I0 e8 x
set [trade-record-one] of customer item (([who] of self) - 1)) z8 M$ U9 \" A; P' |
[trade-record-all]of customer
2 A7 L# @9 _7 ?- D% z7 f6 ~$ O
# S9 G) d" l6 V1 D4 P! Uset [trade-record-one-len] of self length [trade-record-one] of self! ?4 Q: \$ [# ?0 n6 o
5 d( v: l, U7 g* k
set trade-record-current( list (timer) (random money-upper-limit))' K0 c; |( ?* B! s
, G, ~: g2 X" x. L7 \/ U
ask self [do-trust]9 C& _4 x+ o8 @# z# E4 z
;;先求i对j的信任度
: A( {* c' s: C* h1 Y; z5 W
1 U( K" e* z, e- p4 S, n+ \if ([trust-ok] of self)
& n8 P9 I& P* \ B$ ?: j;;根据i对j的信任度来决定是否与j进行交易[
* u5 m. P8 S0 Bask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
- p+ s+ d5 ?5 U1 z5 D4 O
/ H4 V" K L- r[0 u3 |0 S& \- b3 v+ J4 c
( r) Z# z7 U+ y, n o f2 }5 B
do-trade( X4 Y, ^& l; v/ D
( z7 H- D8 B( w4 J. `
update-credibility-ijl
( \; D! i/ z* r% d: d
Q( `* Y' I+ ]; G2 zupdate-credibility-list+ D9 ~/ `2 h7 o3 w$ @; z! Q
8 t# l$ u/ M3 ?3 h
% b0 o4 [/ s9 ]9 Kupdate-global-reputation-list5 Q( {+ @) g: M. |# ?5 |
$ b' G. q) k# n- c2 `# f) t# n
poll-class
4 V1 W- e- K" r; ?# }& [$ S [. m' E1 {
get-color
0 U- V. H9 _9 Z2 G1 Y' V4 g5 I
. L, u% z" ~' q6 \, s/ F# \]]1 t% t! y/ T; `2 X" u8 J9 Z
1 w2 @* y# ~, i+ A: L5 q( A4 ];;如果所得的信任度满足条件,则进行交易
+ l8 { c5 B3 h1 `0 i
0 L9 p: U+ {- }( K2 |9 \ v. {[
3 Y; D. V9 C U0 b3 s& k: L% }! H* _4 a& X$ y" g. _
rt random 3605 y# T% ]9 a* D
2 v% e% E/ l* u) i: M0 Y8 n; A/ V0 p! |
fd 1. U0 W) |& K1 k2 U
; x% S" z; {8 G# m]
) G- S" Z) ^7 R s8 l* P) e. F6 C. s& @
end3 J$ V% z# A+ W) ^( R% J
n. ?2 V3 l! h2 ?4 K7 V7 O
to do-trust
% w1 G8 w; y3 q) a' o3 g- Q5 E% w' Tset trust-ok False
7 V/ V$ T! u* Q' Z" |
3 m- c4 Q \" ~: j9 ]
3 S" ]5 @1 B1 m( y$ Zlet max-trade-times 0" j7 t( G' |8 n6 G- Y3 w) }
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
' |5 D5 t$ J; x: e9 Z4 i( }+ e- Blet max-trade-money 0" g L6 g- n* i6 F
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]" L5 E* d7 [' }7 d/ |; f. o `
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 E- [7 X& P: [$ o% s# r6 E
* z" x. L$ A, d8 Q+ q
7 w% E3 E R [, U9 Z" w% v" h
get-global-proportion
, r9 ~+ ]- S5 Z! ^# W, `let trust-value3 t8 m$ n( o, q2 I* n
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)
" [' l. E$ N& Y6 F/ oif(trust-value > trade-trust-value)
# h7 M5 {. R" ]: J[set trust-ok true]2 w) p/ j! V% e4 f$ k$ I5 S
end; j# s2 y! }9 k, Q/ J! r% f x5 \! z
( Q2 Q6 i$ [; P# m( C4 Qto get-global-proportion2 }! L; `' b, h; ~! c( Q* @5 f3 ^
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
# l5 ]# A+ U! D[set global-proportion 0]7 Q: a3 Z2 h7 ^& t X' C8 v
[let i 0
4 V7 W* c: S( ylet sum-money 0
; {0 o& m9 z& v; a. Kwhile[ i < people]
5 N7 P) q& p7 d I: m# M[2 t% k5 ^% f1 g* A! ^) E) @
if( length (item i. e" r9 q x1 R/ e* z5 e( d
[trade-record-all] of customer) > 3 )! q( S" ?3 B- a" S7 _+ W5 c7 p' Q
[
5 c$ X5 ]! o5 g8 _3 g9 ^set sum-money (sum-money + item 2(item i [trade-record-all] of myself))4 o# [) Q2 A3 C6 f
]
~' {0 F! P7 F) B( @% Q]
( {; `: H! x' Q4 o3 ^" Hlet j 0
. e% ~! J& f1 s' ~let note 0
: b; T) _; W- }9 M% g+ Q0 hwhile[ j < people]& [) R3 S* L3 A; i) \# x
[
2 g" ^- w1 f j, }7 W3 }5 }if( length (item i
- S4 P9 U9 B5 d9 q/ S[trade-record-all] of customer) > 3 )
+ b9 }6 F* R0 \8 T3 I[) e2 H1 r. l& h
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
, _$ x# L$ s' V$ ^* k2 r! C[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
7 z1 e8 `8 N% s Y2 t- d7 b/ p. X[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]/ B8 y/ X& z: D+ m' s
]
8 Z. {( w6 A2 O- c( W]
* j/ f* l7 i9 u/ B5 Rset global-proportion note* _' N# R1 v. X$ l+ R) c7 u5 E3 |
]# h1 r: R! S2 [! k% k i
end
/ c* z( L, n3 s3 w/ @
" t% t/ J- R2 J* H9 i3 `to do-trade2 q4 o( |6 b6 H' I# ~
;;这个过程实际上是给双方作出评价的过程# _: I7 `1 z5 p) J3 k
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
3 g5 ^- F2 p6 U, l) w" N; Bset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
: V3 d# b* b2 h! H/ ~8 D* F( _set trade-record-current lput(timer) trade-record-current
4 B3 {/ F j' a" O5 H8 w8 Y* y* ];;评价时间& K0 |1 I1 x6 \. o
ask myself [& i" ~, F, u6 v0 Q( o
update-local-reputation I" E( B! h+ u) A3 x, A
set trade-record-current lput([local-reputation] of myself) trade-record-current
( B& w. X$ W, u% D]0 E9 Z: S7 V0 ?
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself* R ?% n. ]3 d, n3 D3 b
;;将此次交易的记录加入到trade-record-one中
/ n6 U+ R" Z" l' kset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)% \+ _% c Z# L
let note (item 2 trade-record-current )0 d- ^, [$ x) X% _
set trade-record-current
. w2 b/ z0 W/ c% a" K(replace-item 2 trade-record-current (item 3 trade-record-current))
. |, q7 w$ h" W' Nset trade-record-current
: }( `$ q: ?7 }" k) d# c(replace-item 3 trade-record-current note)3 C i4 y+ K9 n& l
0 [0 W% t# R a, ~3 F) t$ u; M! a& Z/ v _9 l+ W
ask customer [
$ }) a" q" p& r: R+ o- Cupdate-local-reputation0 ?# D2 t- z6 p
set trade-record-current
# G) y# A! M& w( K* X(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) ) F; K w/ E3 A! \- K# ]2 c
]
) i; X9 d8 C4 F3 Y$ F
0 p6 N- A0 L: m# ^5 W/ Q' H# G
$ X* J9 ?/ w6 n1 \/ hset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer, H1 A4 H* A4 F0 S
$ @; l/ |( q8 V: {* D- m Bset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
1 m& f; D7 K" Y$ a W;;将此次交易的记录加入到customer的trade-record-all中
7 g7 i1 j% X L1 Bend+ \+ ?) F4 ]/ T, V; N; e) Z9 j
8 _, t+ M* _, O( x( rto update-local-reputation* f" a/ C3 D; B, N0 P
set [trade-record-one-len] of myself length [trade-record-one] of myself
: L8 A0 i2 m& l4 q! p+ ]: @4 ~
; d( D+ F/ y0 r. T) n8 T
% x. G, m3 `/ h& D;;if [trade-record-one-len] of myself > 3
8 \1 B) C- J" k8 ^update-neighbor-total
8 v1 Z. p+ `, V7 N+ K;;更新邻居节点的数目,在此进行
* \+ ?- p! N4 b# W# I+ D) c- llet i 3
: r, Y+ \& i+ a. qlet sum-time 0
8 X$ ~/ M# Y, Twhile[i < [trade-record-one-len] of myself]
' y! ~) M& j; @$ l5 f* l7 b[" U0 R S" s( ?; z
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
) Z1 E$ U8 A; Iset i& d4 J+ r. C5 E" F! D. I$ y' p
( i + 1)( G, Z& J3 I+ a, z9 h6 z
]1 b7 M6 }" u B( D- f. o6 _
let j 3
( _4 g6 |- {' \* |let sum-money 0
# P+ F/ }# K% ^5 h) Uwhile[j < [trade-record-one-len] of myself]
; Y6 O7 N: e* {9 m; u9 Z# T0 C[- o# _% W0 K4 a9 R
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)) q% m% a# {- e9 t# z
set j! \/ `8 h7 K! j5 S
( j + 1), r2 M8 I* T7 w( L2 J7 ?$ _
]# F( C4 O; W) Z; |/ M0 p5 E6 K
let k 38 ^; t* {' K) z# L
let power 0
. D- J7 t7 g0 ?2 Slet local 0' {: ?% N0 x9 y7 v+ ?
while [k <[trade-record-one-len] of myself]
( _+ V% t$ i {[ p0 X, p& i1 P9 ]* ~5 G. V o
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)
, T1 m: |% y0 z) u) Wset k (k + 1)' B7 n$ e9 \! g
]
3 S/ w/ Y6 q- Uset [local-reputation] of myself (local)
, p( k0 `$ k% C1 g0 w$ v5 mend
/ U: B! l. {1 x1 B2 B" T
/ M5 B$ T% M$ T1 Z+ K% `to update-neighbor-total1 {) N6 j( i0 C/ J/ ~* F
+ H8 S6 r' m* N! C0 [if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]3 T7 P/ T5 ?4 B( s4 P. S2 \
9 V7 Y R0 ?* q: g5 z" O/ r. C4 H" @- X7 E6 @& E: s7 y
end) \" S$ R; |% l6 O
( K; r9 X: Q1 e- U% b; i5 D# lto update-credibility-ijl
Y1 t8 }' b& u3 \- i2 \3 g
" K8 S% l6 f. G$ e% 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。& g0 r. j( N: V4 l: W
let l 0
8 }8 c. g. h4 h+ O6 X% @while[ l < people ]
) U0 H, e8 \4 R2 v+ z! n- ]" P1 c: t;;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 `2 ~: \/ Y$ r4 s
[
6 c2 Z: w1 Q' i1 ulet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
2 b8 p; n, A3 Q! qif (trade-record-one-j-l-len > 3)9 e% Q' X+ b. {3 E# O
[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
; f3 `/ r6 w" T7 V" D1 ilet i 3
. @( v0 T7 f# h, e2 e m7 j& zlet sum-time 07 u- _, I1 P! p0 n% T f2 a
while[i < trade-record-one-len]
2 u: J! a8 @2 |% n[
# W: X% n3 D1 l! jset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )7 S) B; Y& }# z7 b& Q8 M p7 q, Z
set i6 Y5 j1 d& q" ?2 @
( i + 1)
: l6 w: G; X8 q$ M+ d]& N8 M1 S* h0 g7 \
let credibility-i-j-l 0
* v( S$ f* h! e;;i评价(j对jl的评价)
; \7 _( X) K, n2 n l0 x6 ?let j 3' @$ m7 i% S, V$ [& ~
let k 44 a( r, g# h+ Y: _ B4 i
while[j < trade-record-one-len] d. v- v) i2 g" ~0 [4 B6 E
[
# G# {: a, K8 A6 D$ k' {! Qwhile [((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
4 `/ m% s+ T5 y2 {) pset 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)) y' K$ O7 f4 T
set j. {3 c( y$ d( W
( j + 1)
& `5 u' ^* @: u. u7 N8 L]
. b+ H, B! p. x3 s. m! Z7 D, hset [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 ))
9 M1 a: O' X7 ]
6 R7 d- d( |) J7 ^! `- F s/ x2 E
2 \+ U Z) x8 |* ilet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
- l% V% H3 j3 C. P;;及时更新i对l的评价质量的评价
% R2 z! e u* m# e/ U4 jset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]$ L0 j% H I) S$ ~( v9 ]; ]
set l (l + 1)! U- V7 E/ H7 p; I. H
]% {) W: o) k% n; c1 I2 e
end
. Q/ ^# A+ U8 R. F5 U: {( Q+ W3 p9 L) x' y" `: L- c0 F
to update-credibility-list
; L" ^9 N4 Y$ m# X4 p5 Xlet i 0( T" Y/ n% Q/ a2 s- i
while[i < people]
; _( ~7 l7 s+ T. d& `1 H; P7 Q[
" ~2 H" q3 a. h* @) Olet j 0
) l1 W0 f1 J9 E$ F6 h9 y5 q8 \* flet note 0
3 C% B/ I1 F; ~let k 07 o( F4 H$ X* c6 {4 h4 g' i
;;计作出过评价的邻居节点的数目8 K! p: [6 Q: ~0 J& U( I8 U
while[j < people]6 T1 P! z. |# J, t( {3 p5 }% A
[. z! p, n7 g$ R( x
if (item j( [credibility] of turtle (i + 1)) != -1)5 W# U5 d, C% ^3 i8 ]7 R
;;判断是否给本turtle的评价质量做出过评价的节点
|' l8 V$ M" c# u3 n9 z' ~. A[set note (note + item j ([credibility]of turtle (i + 1)))
# a. X- t( C4 O! H! U;;*(exp (-(people - 2)))/(people - 2))]4 }7 Q# ~' n* C* c
set k (k + 1)
& W/ r$ c, m. ~% i+ t3 z]. G3 ^% n$ g3 o/ Z1 ]
set j (j + 1)
. M2 B D' E! o- b- c]) L, p! A0 U" M; D8 Y
set note (note *(exp (- (1 / k)))/ k)
- |% u5 H. J; G- Q; T7 m, `set credibility-list (replace-item i credibility-list note)- R/ X' _8 T1 _- c% s: K U& B
set i (i + 1)( L6 r% m! p1 t+ b
]
2 x+ b) x) x$ Z) t) L1 _# jend }$ d0 S4 } d! C+ J& m6 |, E
) p- c$ E1 K6 R& R0 R$ R" Jto update-global-reputation-list
( @" f) A# S1 nlet j 0
6 t# t) b5 g) q- |7 |) S& V; ]while[j < people]
* T/ k$ H6 ]2 ^7 d# I' n[3 L# F) @% M, q# ]- i
let new 0; X2 A5 b( F' a! ~5 ?$ Q4 u3 P
;;暂存新的一个全局声誉
2 @' P( B/ F# d! F4 Q) p8 n; _let i 0
2 p: |0 P# l3 T; b) L, [0 c: Hlet sum-money 0! a$ d$ f! z' o, S9 I. j
let credibility-money 0
$ f" m1 P8 q) [! x/ ]: Y: M jwhile [i < people]
% O- q6 L, W0 v5 g4 f[
" j# f6 I" \: G2 W6 _' s( x2 Q- bset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% ], r" j% p( R9 B1 }5 [
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))* U. B h8 Q* t/ _# u$ ?% A: D. W; ]5 Q
set i (i + 1)
, }( y3 f$ ^( ~" |0 `9 i]
# G+ u/ N* }# W9 |, w. o* clet k 0
8 j* T4 n6 V, G+ k8 tlet new1 04 M- o! R1 w0 d4 _
while [k < people]/ G; i K0 d( P) @! `6 t, x
[
0 S+ r3 ]* I; s+ e% 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)5 f! N0 \7 v. j
set k (k + 1)7 B. l# U @2 j5 M! L5 s
]- r7 `( J5 J, v+ v6 Y
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ( p: o0 }& ~$ G) ^' E/ ]
set global-reputation-list (replace-item j global-reputation-list new)
4 B7 L7 ], E2 W$ aset j (j + 1)+ @- h7 U1 x/ Y, S
]
$ {' I3 u: H, o" p/ m" [end
- J* V6 z" q3 i2 I4 M; @' N1 W7 b( N. Z* S2 ?
6 b1 Y2 L3 c7 y! Z9 v
" T5 I7 b! F" F
to get-color
0 r+ V" b+ D# x
" {7 h: C0 Z# U' B/ v& m% R( X* nset color blue
7 y+ ]4 W& X& A" ]/ V/ Y1 Lend
. f, {$ W6 l. e2 x$ P( {2 e" E% E3 O# t
to poll-class
5 b1 m2 u a0 t1 n# R- [7 [end
, t; \: N0 F0 N E: J% o1 j i( g2 o+ Z; s" {- X
to setup-plot1' L, c; s2 y8 l) _
- ~ T2 }7 y) t* Q- r8 ^) M; {, oset-current-plot "Trends-of-Local-reputation"& z5 T7 g! u8 i0 G, J# w3 B) }! R
! `& L" p: J b! P$ P/ |* R! Uset-plot-x-range 0 xmax0 [9 @1 _, a5 Y0 w7 N
% I, q% `+ F( _& v
set-plot-y-range 0.0 ymax2 G6 v9 X O# h6 Z2 [# f. w
end& {6 o# W0 n" w, \: q+ o
5 A, z7 F) H) A7 \3 jto setup-plot2
- v' c T# x3 r# b, Z' `/ a/ t, b7 s4 P) ]
set-current-plot "Trends-of-global-reputation") x; P: A2 a1 @) M; Y" M1 [; \
% F% D" v) i2 }6 N k3 Lset-plot-x-range 0 xmax
2 ~1 j! V; u" ^' A
4 a9 y9 `. ], S0 l5 h3 [! sset-plot-y-range 0.0 ymax: t& Q! s& v% Y4 h: D: f0 X4 ]
end( {- R8 U' H/ |3 s
3 I) w7 q! X3 o0 B3 hto setup-plot3
6 X' ?0 u Q" |$ |
( g: Q4 O7 n; i" G5 S- [7 s5 ]) G$ h- }set-current-plot "Trends-of-credibility"- _0 U7 H- W9 j) K5 |& q# N+ p
# o9 z2 u% R, C# i2 O$ t) Gset-plot-x-range 0 xmax
$ Q' _: k r: m5 e* x! X# u
. l% x+ s8 c, ^& V) @+ vset-plot-y-range 0.0 ymax
. w1 ~% k% m8 [4 c u+ U, b( mend
4 \1 R# s( m: P5 O" z0 ^* I! p/ M2 c: k/ c
to do-plots
) u7 F2 }5 p3 L% ^7 ~! T3 qset-current-plot "Trends-of-Local-reputation"4 G% c7 ^" {1 R& c: O
set-current-plot-pen "Honest service"+ X) T% S) @' I3 H- n
end
/ g; R# h0 w7 V* C
* B- a3 K, ?+ B+ D[ 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
|