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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/ E& a9 @: w* [; G2 g" I0 q$ |) p
globals[/ o6 `+ c% _4 G- u: n% m d
xmax( O( g) o# N: I# G7 l' p
ymax3 K' [/ n; S8 g
global-reputation-list0 ^9 p e( X& o9 I& l
4 T3 `! g% k2 m( V0 G. `; e;;每一个turtle的全局声誉都存在此LIST中: s, Z, n4 ~! P% v7 o) d
credibility-list
0 |& P9 D% x& r5 t3 r;;每一个turtle的评价可信度& R8 N2 I7 L) F6 h/ d$ \
honest-service
' R) i' Y# }* @$ ?/ h* r* A: \unhonest-service
+ }) k- G7 U4 M' woscillation* y" c) i& h1 ` G F1 V
rand-dynamic
- i8 J$ B+ n+ h e- G, [: S]8 C7 f1 i& |" T; R. \: ^! Y- H/ d
3 B; t4 c) ^8 m+ f9 O+ B/ r9 a( aturtles-own[
' c5 o2 Y" w& O, o8 I; i& a% xtrade-record-all
) o. P" V! s3 ~6 C; p0 Z3 D;;a list of lists,由trade-record-one组成. p' i2 V0 g* a# Z \4 e
trade-record-one1 d! @0 B& u2 I& h$ A
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录) M5 f. |, U( o! [" `
2 p9 l% D" O' i* ]4 i4 o$ o$ `;;[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]]
]$ T5 y( }4 | I( ~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]
) w5 r& \% N8 Fcredibility-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
$ ~8 D2 F0 o" ]) p y. }neighbor-total+ c7 c) i; V0 {: L0 \. b2 m
;;记录该turtle的邻居节点的数目$ ?1 p# ]8 r3 g+ N5 j7 p; W0 b
trade-time
$ i& \2 I# \" D2 N$ _; v4 c" O' \;;当前发生交易的turtle的交易时间+ {2 f I6 I2 }+ l/ Y! u
appraise-give
5 p6 w7 v I0 B;;当前发生交易时给出的评价& C# [. Q Y: I- ?8 {
appraise-receive
& x* b: f) I! @0 S b" \% c |- s;;当前发生交易时收到的评价
' D" W) C! D2 \4 L+ U8 S2 _appraise-time+ k) F' u) | T4 r
;;当前发生交易时的评价时间, e5 K# C- s$ m, \3 D
local-reputation-now;;此次交易后相对于对方turtle的局部声誉5 j ]3 g8 J0 W- d- A( t2 m
trade-times-total* t" Q1 n* t1 R
;;与当前turtle的交易总次数, ~: N j2 [ r$ a. v+ j; K
trade-money-total9 [0 c0 Y, z. t! S! z
;;与当前turtle的交易总金额
; K6 ^4 Y# i. F1 Y& ~local-reputation2 b+ @# |. V8 x% v6 U: Y6 \0 h! {6 W3 v
global-reputation
4 @1 Q. y, w1 H$ h# [7 O7 ]1 `credibility& O8 [: B- W5 g( c4 c
;;评价可信度,每次交易后都需要更新7 p) x1 S, p" i& ?: @
credibility-all
D+ O) E/ V' s9 d9 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
8 W& K; m+ l& j
- H9 X* g+ {9 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0.52 ]5 A/ M9 a+ s* j- \% L
credibility-one" o# n, O: i- q6 O% t0 G4 U
;;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
0 g b, I# V+ f: M' Gglobal-proportion
. b( T6 T: q# b; S4 [7 Pcustomer, W* Z5 p, N! N) ~) p0 p
customer-no9 F% b. m- m" n0 ]1 Z1 g
trust-ok
: P" N& ^% ], S% N: L: F, v* {( Otrade-record-one-len;;trade-record-one的长度
; Z7 L$ Z( E6 |8 Z x" A2 d) F]
$ o, B4 k+ d+ [3 ]4 s( \; t5 |4 t4 T+ {1 j* o, A% H/ |2 _* K
;;setup procedure
/ w2 K) s" B0 R: B5 v' z# u0 ~6 m
to setup; ?5 a5 J: k' Z* k
" v+ z# I2 F& n2 O( V
ca
+ _3 X* z. f4 @% p' z: e
* E4 N. S9 \0 g5 `1 f- S, Einitialize-settings$ _7 d, H' b4 z P. l' q. L/ L
6 @! _; s: O, ?! T; k6 U/ dcrt people [setup-turtles]
7 j- z/ N# y l) o" |" ]; G) g' D
& @0 r) R0 Z1 j( y; r8 A0 zreset-timer
5 j& ]! ~! K/ ~5 o9 }- K* Y/ w2 r
poll-class
' N% @( B* o# S8 a
% n1 C4 I4 }, @4 E% D& K! h5 Rsetup-plots1 c, f8 w3 T/ _( N% v! N
# o/ ` y# K9 q9 S2 o
do-plots8 D* |3 E4 R, J8 g1 k
end
0 P* x; a/ D5 ^, I. r: j+ p; \
) s e L7 j# xto initialize-settings
1 n$ B8 |" d$ u$ Z. U
, A7 U3 M; I& Y, v# G& _$ cset global-reputation-list []- G. l6 b& j6 C+ G
( _4 b) ~: a; {
set credibility-list n-values people [0.5]
$ s/ H( v. A% g+ o: J2 `/ v% G
0 a! l8 f- s1 [4 Q( `0 B) D$ g" [/ iset honest-service 0
& ~ ^6 R6 w, i9 I, W6 o2 w _( ~) @/ s
set unhonest-service 0
4 L: ~' H) o5 K9 p( S
6 h0 A0 F" P! @) L# r( J" }set oscillation 0
( z Q* ^7 ^. s8 H
! n. w: R7 Z# g! K7 ~set rand-dynamic 08 i7 e7 [$ @9 T! V
end
3 W. c, Y- G; `, d# P, R1 U3 j( `4 z2 I5 L/ d, X/ ]* ~
to setup-turtles & U1 h2 [# V( g' d, G+ i' I
set shape "person"
6 a2 C- f0 J; j2 Ssetxy random-xcor random-ycor3 t4 f( I+ P! W/ ~1 e1 b
set trade-record-one []
9 @3 J l4 t; d. E" O5 ^) j: N' N7 R- G! B1 [. \5 h- ~" E" S
set trade-record-all n-values people [(list (? + 1) 0 0)] : x3 v" u; \, {3 G d9 r
; k* B j; L! Nset trade-record-current []
& i7 F! B0 y; G" Z2 l& H3 `set credibility-receive []$ i7 p( P( a5 N, _
set local-reputation 0.54 n1 P4 A: b+ O: W* M/ a, h' t
set neighbor-total 0
0 i+ L3 n7 X% I) dset trade-times-total 0
. t3 \# y& |) G# q4 R: j: H0 iset trade-money-total 0( R" T0 n# N( G8 P) c
set customer nobody& c2 g( H( d5 a9 D2 d
set credibility-all n-values people [creat-credibility]! Y# ]# X& E9 U
set credibility n-values people [-1]3 w5 @1 c2 @1 Y2 n% A
get-color
3 v' m) S4 p4 R- p
" U6 z# k3 P2 B2 O4 hend* C/ @7 r& r% \# J2 c
; f2 n, R3 v7 e9 `to-report creat-credibility( f" O6 q& n7 F# \ E$ I6 B
report n-values people [0.5]
& z* j. Y' y% ~+ x0 rend' }5 F- ~* v9 y' e
6 r1 T: b# R7 } I! Y, c6 x
to setup-plots
& Y9 c3 e/ T Q& @
( H3 `) z4 Z4 N& B$ p- M6 M- x. sset xmax 30
, v6 T4 q3 b' G; `( d ?( j3 ~" a, K
set ymax 1.0& h3 B7 q& ?( |2 X1 }1 a
, x# `9 ?9 {" S7 t/ I
clear-all-plots
+ U" l# e* l" S! v0 b% e: N4 w. p; G( J: ~/ q7 ]
setup-plot1: W1 j) ?8 ~1 h) [9 ]
5 T/ Z% h$ R8 hsetup-plot2
2 d* h2 w7 K. c. _
% L$ S) j4 w* z3 z. o6 B3 psetup-plot3
$ R7 o% |1 u$ a0 C- s+ W/ m" `4 Send5 x: K# k! \+ F& ^
% `0 p( H7 F- x% k" U1 F;;run time procedures U. Y f/ r7 Q+ g* y
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to go
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ask turtles [do-business]# \; R7 q' ]* b3 [! G7 T
end( q0 x7 R; @$ a9 J# V. M2 E
0 Q. a% H- C x w
to do-business 4 T5 i% D5 g' D# |. [4 {5 a+ e. O
: T* w' B- Y6 K% S8 ^6 R, s* v4 i: I6 x
rt random 360
8 ~3 Q* W) s V( X2 } C+ O0 F; [& U. r; T
fd 18 D+ B' a( @( n1 F7 a* a# S$ u7 A
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ifelse(other turtles-here != nobody)[
; _0 ^7 b3 S& W/ x2 i- x% I* I6 T3 `, B$ @
set customer one-of other turtles-here$ {3 z) P4 m |
$ v- j `! g( y;; set [customer] of customer myself2 `+ \" e: N- B; Y9 r9 [
2 \/ z4 B3 C% o- _set [trade-record-one] of self item (([who] of customer) - 1)
1 @1 \, @( r! O* ~[trade-record-all]of self; w* V/ c3 I3 g0 p7 G4 F+ ?& i
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
, J- g F) z% s: P" |& L8 W# A( d7 c$ D; B3 b j9 r* U7 F2 d5 O
set [trade-record-one] of customer item (([who] of self) - 1)
4 ]0 t# w- Z7 ~1 q; `" B4 x[trade-record-all]of customer) ?1 L9 t% Z" U8 O
2 p8 i5 |- W6 x0 O+ v& u" H! Q" o6 gset [trade-record-one-len] of self length [trade-record-one] of self
, p% F/ R) q- l f l7 g
" A# w; b0 r# C7 i; cset trade-record-current( list (timer) (random money-upper-limit))
$ a. D* I+ F1 G K! X$ V7 V7 X3 A% m- e& X
ask self [do-trust]
0 E) n/ S! D5 P3 b w;;先求i对j的信任度
: L$ a& o( ~5 u7 g6 ^! x: a% n4 i; ?0 Y
if ([trust-ok] of self)
+ e9 B/ q& q$ |3 E: X! u- ? S;;根据i对j的信任度来决定是否与j进行交易[
, U" M. x9 j# u4 _( u0 ~ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself( _7 f0 V; T& G4 O; X
1 a# U! D5 R# G# u `# b h
[
1 P1 O6 F5 B# @% X) N& M/ b* b' r
- d8 d; \$ J2 q! z7 Z5 F( Jdo-trade
' f+ q( I& H) F3 k
9 Y, Z5 c; m; b; A0 s, H7 R. tupdate-credibility-ijl4 F% z" A% X& g8 z0 M
; N' L# o. c' M% M% Dupdate-credibility-list
: ~% q& o; X7 ~0 w4 r0 H5 k# h' j' c, s9 X) h& N
( }! h& x( p9 W$ h% R8 q/ I7 Eupdate-global-reputation-list
- {4 o( ~+ E) O9 K6 n4 {% I2 ~* N0 s4 j: M+ N* _
poll-class
! i7 v1 }+ c* H. t
& U0 R/ y# o+ o2 f: Z7 x) zget-color1 V L) W" F4 `
3 r8 S5 M1 u1 B
]]
( G- H$ Z% R9 e* B) g4 x; K% ?% U5 `9 Y+ }) t( q
;;如果所得的信任度满足条件,则进行交易
- y8 J8 f; J9 [& r6 {" Y$ _
6 C, l5 q4 Y' z( N6 ^2 W9 I[( q$ i6 i! J, W& Z$ k3 \* d; B5 ?
2 w: h3 V* j- k5 i2 \, nrt random 360+ U1 s. n0 X t7 F
, Z* M- g8 `2 _7 U* b+ Sfd 1
; f' p8 p2 q1 q( w) `) O6 h- R6 }. k8 t9 V
]( V# y3 V8 m5 }# z; G
7 u1 F1 u9 p5 E2 b4 m/ v
end. u! l+ v2 o9 [
X& d- `0 E5 n. b
to do-trust
Y* u2 g/ k: |+ I% sset trust-ok False
3 j, x! k% f6 |; ^' x9 a, [: K+ O, Q$ i6 `, {5 w+ C# C2 P+ B
* ~- B9 {9 x+ V, }let max-trade-times 0
* U- Y, \9 J; d; gforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
$ D& f" M/ l2 J! ~( p/ U" g$ ~5 ?- Plet max-trade-money 05 P4 `; ?7 u7 a: f* H" b
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]8 x: L" s2 u, D# Z
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))" U+ [2 z/ d! V, E1 M1 \: y. `
0 \4 |; j/ q+ t4 p, g/ _
: q2 A9 Z" l3 Uget-global-proportion# l3 z% R, S$ V
let trust-value, B+ F7 z! K9 J% `! c1 ^4 s
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)
7 G% D- \* d$ ~+ t& Y" jif(trust-value > trade-trust-value)
7 l( G, b8 E% T- }. I[set trust-ok true]
- i- y2 j7 E8 K1 a+ {$ qend
% i. v& y$ R- c3 D6 J( ~" R# `2 r) w9 G$ F j# K( Z
to get-global-proportion7 ]( O, f( s3 p7 H9 \9 R$ r( R
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: Q! V. L7 i1 v: J[set global-proportion 0]0 H9 M. X; \0 h8 n# _
[let i 04 ~9 n) |. U: J/ r; ~: T/ ]
let sum-money 0% O; `# L, @1 |) T& b) B8 a
while[ i < people]
" m/ d. C! z4 B; p[: c9 j4 v0 E5 [, ~
if( length (item i
( w2 F% R/ L! r8 z R[trade-record-all] of customer) > 3 )1 m8 G" g/ E" Z/ X
[4 x9 ~5 E1 e Y2 c+ r" M" Q9 z
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))% ?0 _: \9 S% F$ R5 ~
]
* d+ {- j$ o5 f" P# ~0 n; v D1 `]
2 @( ?: _, M7 ^' _7 c9 G2 N$ Flet j 09 s# D5 B( d1 S- ~1 l) f
let note 0
- e# U. t- v% y+ {9 d7 twhile[ j < people] u1 g% k! J! ?0 e$ ~# D5 H
[
) P! Z" J$ e0 R0 M, `) b# _, tif( length (item i/ \& z* ]/ |( K& c& l |3 x0 i
[trade-record-all] of customer) > 3 )
$ T' u4 k+ K7 ^/ L. f5 _[# a1 K' P Z( i! A" ~
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)3 m7 n) S% T& X% v+ o
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]" x: F e5 a- t- k
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]6 V4 y% H5 f0 R
]
) d" }! k' |# V* J], t: v4 C2 |6 }6 b
set global-proportion note; x* w) s" i# x: D
]# V- F, c0 O9 M& o
end/ ]% J3 d: ^, z. V$ S6 m( M& M
; l6 R5 g, S! z$ S: \
to do-trade$ X% F, w, F1 L8 B# _& A1 m# O
;;这个过程实际上是给双方作出评价的过程
# G! o% e4 z2 z0 X) nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价% Z; h% g9 o4 c6 f: i
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
6 a' J) a5 X$ |set trade-record-current lput(timer) trade-record-current
: {: P$ \5 H: b0 [3 n! K7 X;;评价时间
2 u( ^* Z" L5 j% b4 d' yask myself [
2 }0 t% _. _: S# Q- I' B9 xupdate-local-reputation
2 G2 X3 b9 v3 |. _2 \" d& s9 Jset trade-record-current lput([local-reputation] of myself) trade-record-current
, `/ r5 Q; |3 t+ y4 l7 G]9 y( ]- i1 p }% N( f/ Q" Z+ u
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
+ V6 @7 K! q, O;;将此次交易的记录加入到trade-record-one中
+ u3 h, \3 m* H" vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
4 T. B. w! O, x1 j7 N6 |let note (item 2 trade-record-current ), a7 S. l+ T& q
set trade-record-current4 l& Y3 M4 Y& E5 N
(replace-item 2 trade-record-current (item 3 trade-record-current))
9 W* [( v$ y' R+ g8 A8 I, Qset trade-record-current
& l" v9 v2 j$ \' s(replace-item 3 trade-record-current note)
( i5 U H5 ^* B/ k+ m* ]- B6 R0 N% M
& A! ?0 H4 X4 ]0 ?ask customer [
3 G& V z5 ]( Y1 ~8 m( Fupdate-local-reputation
* r" q! D! o! Z# Jset trade-record-current7 N8 X2 X* D* _/ l4 K# q: E! I! y
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
5 g6 }: F+ v8 ]: s; L v# ^]# B! V- k3 _4 d- G. h' ^
- a: f+ R0 }5 D$ L4 k
6 R& K2 S; A5 O9 i- [; Tset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
$ u* v1 ?4 L/ G) s- W% B- C7 W. g+ O2 \/ p4 K6 U) `; U% H' Q
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
/ O4 y" F) G: o* c& p3 n m;;将此次交易的记录加入到customer的trade-record-all中# y5 m# v8 W8 U: W4 ~
end/ x% }! @' ^$ }8 d" y6 W, l
) }8 N1 o* `6 ^; u" l( dto update-local-reputation
6 P$ w1 L# `1 N" I: a& e# X; s# p* Qset [trade-record-one-len] of myself length [trade-record-one] of myself9 i8 G' x/ e; P) f/ {5 a q
( S6 @* V5 e" r, c' R; u7 N R! v
5 q* m7 P. S. X. ~. [9 t& U
;;if [trade-record-one-len] of myself > 3 - L8 G, M5 l9 I8 x' ~" X2 X# k
update-neighbor-total! N1 ^. }8 b2 L% s8 H3 H1 t8 }
;;更新邻居节点的数目,在此进行/ n9 s7 x+ |+ Z. g
let i 3
' o* c' t/ K! l) T# |+ e: k0 wlet sum-time 0% a# H! x. l, _; H, |8 L
while[i < [trade-record-one-len] of myself]6 A- t0 |. t- \! r3 x% {! |0 E
[
% W y! ~- x. B1 N9 Zset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
, h$ V% p: |( m& \4 U1 d' d! y& wset i
* d1 i+ m: y* Q5 J5 k( i + 1), h2 h6 V/ E' h
]
* c6 u9 q8 b% O$ N( T: Ylet j 3
2 [! m& x. q/ G- s' G, Tlet sum-money 09 u$ d! F3 G7 Y' T4 l4 \
while[j < [trade-record-one-len] of myself]
% Q7 [. y0 i6 l6 w2 z[% O! s$ Y% O! a* U
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)3 E6 p4 a7 E6 z% z7 {9 M
set j
) P3 h% d6 U6 ~4 q+ U( j + 1). t5 o! U* a6 T( U, \; v
]
, w7 z8 Y7 H5 `( X+ H3 o4 z9 |# F# R8 blet k 3: e4 F7 {6 s5 V! {. o
let power 0
" h- I9 Y- Y% hlet local 07 j8 z' o* {- X3 ^/ A' L- Z
while [k <[trade-record-one-len] of myself]* e9 S- M( U' ^% r0 P! q
[) A- |% s5 o- R1 k
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) + Y0 W3 r& P a3 i
set k (k + 1)# S. c4 V# T& t5 r$ d w6 \
]
- ]" \1 N6 w9 S% u$ eset [local-reputation] of myself (local)& @) ?/ t5 @8 O
end3 m# q. v4 J4 [
* x2 n& {. ]+ Kto update-neighbor-total
; @; M/ |4 I$ J" @# k+ @" k1 p
7 a5 I# v) r3 B! D5 fif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
6 O! j m B- g8 D& m+ |( N6 W
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0 E$ `$ r/ m4 Wend1 f) v6 A7 B/ z% i/ f! u
* f' ~5 O, H+ n$ m
to update-credibility-ijl 9 z4 X; B. I/ f8 s7 X
/ m1 H$ \ h6 R0 @6 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。) V! u8 i, a+ e8 k* O1 H
let l 00 [: s- A4 |" ]% E2 H+ W6 N
while[ l < people ]
8 Q+ V7 g' V3 o* Y3 X% t$ c) l6 | Y;;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
3 V9 d3 i- r3 Q[
, {$ I' X5 h* S3 i8 q$ z5 n# ylet trade-record-one-j-l-len length item l ([trade-record-all] of customer)$ r' ?4 u9 C, {; N" O4 Y. b I
if (trade-record-one-j-l-len > 3)% D7 t: E- T% k0 P0 |% j) S& m
[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
, h3 z$ B2 [2 C" k; I; b* m: |6 ?let i 3
6 A, N8 F9 \! a- w: m0 _let sum-time 0" R$ O# d, I$ A _
while[i < trade-record-one-len]" Q% |" w( R8 Y k
[ d. u: b V6 z2 L- V' J: G/ s$ @9 U( Y
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
0 X6 I; W1 ?* K& Rset i
$ a/ f2 B% l2 v+ u7 N) W) Q( i + 1)
' L9 x0 t9 R/ `: s" y. j9 K]7 t5 M' c ?+ D
let credibility-i-j-l 02 R$ Y0 x0 V$ P4 c; U* R3 |+ m
;;i评价(j对jl的评价). }/ S1 s& t& g
let j 35 A+ J2 p2 p6 P N. v1 a
let k 4( Z9 v* ]* F5 h0 S
while[j < trade-record-one-len]
3 J3 u) Y: `2 S# d$ Q# a! Y! ^# A* `[
& m& q% x) A" k F9 u' Iwhile [((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" ]# m ]$ ~8 J/ R
set 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)
4 ]; A5 V6 }8 g* r# D9 {1 nset j
* x- g* \2 {) Y4 v! a8 l U/ @, z( j + 1)
$ f+ b1 G) @3 O' i]2 ^0 F5 `9 N2 }( I9 T
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 ))% c: W: K L' G( c I
" o9 a4 e8 n2 P i; Q6 t9 h& ~& Y: i* @: x
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))$ N8 ~' g5 w! P$ d2 k0 u
;;及时更新i对l的评价质量的评价2 j# B1 {2 h; d# W
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
# j# G: S( u8 Y! A9 p, T4 ^$ ^set l (l + 1)4 p: T/ D# y5 ~, n/ h Z
]
7 g* S3 J5 p' H. E7 Y Oend
+ W# v% ?8 e' u
4 s' Y* T$ C) |( O: f2 Lto update-credibility-list( z) C' j. l$ v3 s4 e
let i 0
1 P1 `2 ~, ^7 Z: T7 v2 x) Ywhile[i < people]
0 ~5 q( a4 i7 n. C5 P[
7 Q, }( w0 t# W& elet j 0 Y7 E; ]. D' d
let note 0
4 J% o) M R H: w2 |/ \let k 0
6 j4 r/ {1 e- C$ ~4 a( N0 c;;计作出过评价的邻居节点的数目: A' H1 d% t5 f+ r% L
while[j < people]
' L. Z5 c$ u: O, b( B. f[
' `. B/ h1 B4 [- M; m1 F7 Q% X9 _if (item j( [credibility] of turtle (i + 1)) != -1)0 k* b# H3 z) s$ L, V' K
;;判断是否给本turtle的评价质量做出过评价的节点0 @/ b& w) C* _, F0 A
[set note (note + item j ([credibility]of turtle (i + 1)))
% A% X* @; n6 r# q: g$ r;;*(exp (-(people - 2)))/(people - 2))]
+ c& F; u5 k1 R7 i% i3 zset k (k + 1)
# T; }# ]9 _# h+ l3 s! _6 {]
( ?8 h# _' T5 ]. i$ ~6 yset j (j + 1)
4 @. Q# ~0 g ~] `; r% }; \3 a, e
set note (note *(exp (- (1 / k)))/ k)
+ H. s+ x, J- W; W. d8 rset credibility-list (replace-item i credibility-list note)
( {6 J. _ d4 g% n2 Dset i (i + 1)
. l7 `4 s2 y3 j# M; {* i* s& B]
( Z# S L7 t! }0 u* Aend
& W7 X$ o" M0 Y5 g- F" p( f c6 u% k- H# Q3 b2 f+ R
to update-global-reputation-list( d( y2 r& `/ Q9 ?
let j 0
& d! ~: N7 t! C: {while[j < people]
5 Y$ m0 w3 {# Z3 j: c[
, `7 {0 Y! c. n, o" olet new 0
0 h6 v' x3 Y: Y;;暂存新的一个全局声誉# Z2 j+ V5 u. h6 B- c. h [, s
let i 0
/ C' S, d% p3 _7 G. Slet sum-money 02 j( T( _* g1 V& |* F4 R( a
let credibility-money 0
! O9 b( h+ d- kwhile [i < people]
6 t% ]& {$ G2 q- ]" S[! V8 Z1 X, R. w! P6 ~' }/ s
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))9 Q# {# [ v; l% p$ \* O G
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
6 u' k6 j) w0 }set i (i + 1)
+ {& p7 B7 v) }& k& a1 z+ u]
! ?4 `- }' T$ R5 w2 q B. [+ h4 Hlet k 0, ?% o- Y" H1 R/ w5 d4 V- s
let new1 0
7 J0 j3 n3 y/ d0 d/ C+ h' O ~ V0 pwhile [k < people]
7 B& Y/ g* K- ?2 |7 ][. a9 I5 K+ b9 U
set 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)% l f+ R, b7 q, K& l
set k (k + 1)
+ |( D" U+ N5 [, {: c; G3 C1 W- n2 N]
2 w" l7 s) G( T8 X9 E8 y/ ]4 Eset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) % G: k6 E: g) j: u2 l
set global-reputation-list (replace-item j global-reputation-list new), q; q5 b' t3 P( S# z
set j (j + 1)2 [3 Q3 S9 s# }- D
]
* ^( W, F" w, n* e3 r" dend
8 b- A0 Q" j% @9 l6 Z1 T. [- f I; `
" F) V! p$ _: i4 N# Z& f' K/ m' ~6 I
6 Z2 P0 z8 d, fto get-color
4 z- m8 e& p1 ]+ Z& Z4 B
& E# g [# D& Iset color blue
6 B& j T. j5 S4 \7 Pend
v1 I& [3 D: e( C: O6 d9 U. t% `* p. A% S1 |4 F; ~
to poll-class
1 M4 `& y: j. o* f, send
- a4 r2 u6 Y! v5 a' d9 y* H6 u, s g% q; [
to setup-plot1
+ F/ q6 U- z4 M" F4 o# D9 f5 T% k9 S$ S2 n" G4 h( s" `+ L
set-current-plot "Trends-of-Local-reputation"
6 @8 j, g6 m, i4 |- n
. M3 s) b7 n5 c$ U. ^2 F+ V& t j4 ^set-plot-x-range 0 xmax
8 M+ a* b; G$ u- n0 c+ }- H5 {
set-plot-y-range 0.0 ymax+ T# @& v9 N% g% ]
end" O" l5 Q1 f0 y; i' Q+ t
1 v8 Y% i5 b% J7 M/ f
to setup-plot2
1 e, E: N, g' M1 X& s3 q' |/ b' p6 q4 N' _) q
set-current-plot "Trends-of-global-reputation"/ d. }* n0 O4 S: Y
6 q5 s# ^6 H8 }3 H) t& B
set-plot-x-range 0 xmax7 V0 U2 t0 P9 a9 l: }! p7 C! {
- o+ X' X3 \1 x0 R: T0 d6 u
set-plot-y-range 0.0 ymax
0 k! d( I; _+ [( }end
* e/ M. b+ g# V+ |7 }0 ]0 |; H
6 k$ q8 J4 q6 Z; @) W4 eto setup-plot39 h& b3 A& N/ C) |# V/ c5 ~
0 ~+ H A d6 g4 X" W Yset-current-plot "Trends-of-credibility"
3 B1 f. `- W1 G2 r0 h% k' d+ Z
( k" v: X+ X0 a6 [9 hset-plot-x-range 0 xmax% a0 Q: P- k: Y7 s0 d! _2 M
5 b3 ]6 ~' i8 l; M9 o7 U" M
set-plot-y-range 0.0 ymax
9 d$ | R6 b- W- ^4 m; {9 C# n7 wend n" { P/ r, C0 |# X- S/ U1 d! ~. ?
! a5 {1 |- r/ o: ~1 C4 }to do-plots
, B1 g* R+ h, Iset-current-plot "Trends-of-Local-reputation"' ^9 p! ^* z6 Y& ]' Z
set-current-plot-pen "Honest service"
2 {6 q5 n' d! e- Y3 q% Fend
% k; c1 d( F: V" E8 D4 i6 I
* B* F) ^6 t2 ?) ~4 N; D8 [/ f[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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