|
|

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
& v6 J& y0 |! p3 {( W: S: zglobals[+ [2 M4 Q1 f/ z# S: Y
xmax
; U* a$ y8 W+ m1 g, lymax
2 s2 s+ C3 B7 R: J2 Kglobal-reputation-list
2 n8 Z* S6 y; l8 r5 N8 q, ]
4 a6 z* _) |: [5 r* w; o4 ];;每一个turtle的全局声誉都存在此LIST中7 l7 T' t. K: Y5 b6 f$ {
credibility-list
0 q0 m" S' |, }: N' w6 j7 a. G! Y;;每一个turtle的评价可信度( v7 x* h' e& L9 b% m; U+ C4 `( ^
honest-service
, u' ^4 k4 P, k t- C0 Punhonest-service" u1 b; \2 O" j5 n0 Y
oscillation4 q. x5 @- k( g" m9 e$ U) c
rand-dynamic* Z9 \9 Z& U. C! g k; w; ^
]
, ~2 s/ @: J0 S. k) L/ `$ w! ^
8 t5 e" E1 P+ ?turtles-own[* T9 R$ ~) F5 m1 ^/ T' L
trade-record-all+ P2 l2 z8 h4 Q4 p1 _1 w' ^
;;a list of lists,由trade-record-one组成0 ]* M% ?! N. G
trade-record-one
8 j2 G8 A9 P+ C1 p3 T9 X;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录8 o) Z% {6 y ^ p' Y( x
7 h% c8 p) l! [+ k
;;[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]]1 a0 g* f! G- T+ X
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]0 ~# j" r- J" t6 E6 ]- ^: M Z
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
& r8 [' c# Y K9 E0 i) n; zneighbor-total7 k3 S5 t3 b0 o. U: \
;;记录该turtle的邻居节点的数目! E) b( L$ \1 P
trade-time2 M* q' F. w) h1 r4 x) ?
;;当前发生交易的turtle的交易时间8 y' ^# c& x" B. R& Z7 d" b4 t
appraise-give- b. P3 A: m3 R
;;当前发生交易时给出的评价
3 ?$ |. |5 [$ G: J5 Sappraise-receive
9 p, g+ a# S5 x$ M5 N$ S# ^5 h;;当前发生交易时收到的评价
5 D. R, |* l8 Yappraise-time3 k% n1 H9 x' ]
;;当前发生交易时的评价时间3 c$ Y: c# n4 e4 }5 R$ g
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
2 @6 \; n5 B, a9 C/ y% l2 ]trade-times-total. i5 h3 ?4 n# H; n& ]- t1 P1 N+ l2 Y
;;与当前turtle的交易总次数* r7 |$ J" \! O+ v, q; @1 W1 |
trade-money-total8 U2 O0 S, _2 W1 j' X5 R: F
;;与当前turtle的交易总金额
/ i- `& T7 {: _- ~# V9 i: n% Wlocal-reputation
. N# f3 V7 P) [. ~5 d0 ?global-reputation, ?. q0 M1 O& Q9 u, t
credibility
7 E3 e; K F3 y;;评价可信度,每次交易后都需要更新/ p4 }7 d7 i: ^8 E! N0 }, W+ }
credibility-all# @, J+ j2 |4 a& A: W9 I
;;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 i: H* z# D9 @8 q/ Y5 n
2 F0 q0 y) f% H/ T
;;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' ~) F5 m: J3 B7 I' D- k
credibility-one2 }8 q5 X: `. ~: _1 e H1 Q+ X
;;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
/ u3 r6 X6 W! wglobal-proportion$ c" n* J4 W/ M! d0 t
customer$ E. G K2 N% U8 M% d
customer-no! Z' Y0 f" @2 m$ v+ T- V) v, U
trust-ok2 `$ ~4 ?6 o1 _# t, a
trade-record-one-len;;trade-record-one的长度/ f( ^0 j$ ]5 f* f. T z
]
- H! Z& M+ z# a1 m9 r
+ _( a" ]& d7 U! c };;setup procedure
9 Z: e% z' }# ^2 c. c3 s7 C
/ i/ E$ ~, W7 ^1 ?; E/ G+ Q$ oto setup- _. m9 C2 S, e. M6 a1 n+ w- p, ^- e" u+ `
; f9 B$ Z+ R) V6 N l+ b
ca
* T7 ]8 Y0 P/ ~& @$ Y6 L9 p' H) x/ }& O; b3 D
initialize-settings
: l# z; E+ s/ N4 l& O, _
a2 T6 J' ~2 q. x; {+ zcrt people [setup-turtles]. ^3 O* u/ [: W) Q* R
" M* {" k6 B0 R3 X
reset-timer
+ H8 j6 x# w# a4 y+ S
! m6 m+ Q! ~$ o0 s- g! ~poll-class# ]4 f9 q, e! X, H9 U6 N q9 x. m8 e
8 w. ?4 Y" E$ _/ p
setup-plots
6 K+ ]# s/ t5 z! N5 n! N5 ]! y. h9 g
do-plots4 t9 u: x! b4 U& Z, _
end5 f( y. X" P3 N: m0 R# J
7 o$ E) x. ~/ Y! I; K/ X" A8 Jto initialize-settings
' O: b% s9 X: B; O* _' ^2 N$ C" c/ V' F- |( @
set global-reputation-list []
9 W B8 K) G7 p4 _1 m
7 t: J" d j2 f& n; V r, yset credibility-list n-values people [0.5]0 `7 ^# {9 U# z( z5 |
. c3 e( T3 Q; T/ ] c
set honest-service 0
@% P; g" L5 t% r- O4 z* ]0 u# ]' [% f7 V/ u
set unhonest-service 04 c, m8 D& q3 T( u. m
* _8 f* f' l( B8 B9 V9 N# Z% o
set oscillation 0
3 d! D# Y: A+ Z V+ ~# s9 j
' C$ q/ @- c" m4 A9 e& N; f6 _set rand-dynamic 0
* O* F% X5 H- y0 a' e1 k& v3 Eend
& k* o3 g$ B. f" {( j, V
* }" {; V2 n) fto setup-turtles
2 Y. D/ _/ Y& A! w! _) `$ `1 Wset shape "person"0 _9 a! L3 F& k- d$ E" D0 a
setxy random-xcor random-ycor: {9 k/ r1 H$ E" K O5 B
set trade-record-one []# Y( o6 f+ G) [/ `
, V0 a% i4 s( b+ a2 H3 |set trade-record-all n-values people [(list (? + 1) 0 0)]
4 z2 U8 h( @6 G, o0 a1 L% |
' [/ c% c) u) p7 V. O, S# q. Dset trade-record-current []6 N5 ~5 l6 N# l- Q6 d; v
set credibility-receive []3 j/ t0 o+ A7 _3 u9 z0 Q
set local-reputation 0.54 w q5 x( H P+ v7 M/ P7 @
set neighbor-total 0- D: o/ J; ^. s& b" g: |( }
set trade-times-total 06 }+ G4 \" m7 Y8 V7 }
set trade-money-total 0. i- q5 o% z6 k* n( L! b. n
set customer nobody
+ n3 D( z) y4 h4 |. uset credibility-all n-values people [creat-credibility]
5 p3 ]7 \# W) _) y8 N* T4 c0 E1 kset credibility n-values people [-1]9 Q" y5 O$ j2 t7 t; z0 Z8 U5 I
get-color
( O4 u; U& n& r& V. q# R B u. [$ D' ^ [# { H1 ^9 |0 \
end/ b5 u' W* Y# A5 y- j6 O
J3 Z. u; C; @' j- _2 q, j
to-report creat-credibility
. Q P# `0 h- s$ f7 v' N9 l! G5 B0 rreport n-values people [0.5]
& }! }& T6 l3 q) j. |' bend
; G: U9 e6 c& d
8 e- Y- E9 d, I) |0 p( `to setup-plots
4 ^: a P+ q% q# V* ~; i P
2 {1 y. ~3 a& o. P. @9 M( Cset xmax 30
/ w9 L! H3 r( k; ?# q9 n
3 |: s+ N# b& [6 m; ?1 T1 V0 \set ymax 1.0" b+ X6 u( Q, b# D# y
. i6 [' J- x. }, k3 E
clear-all-plots0 C @& T; _& G
* {1 S* L8 E& v" }$ ?
setup-plot1
6 h2 q& k% U+ T; a) ]2 F. B2 F8 \: E! n9 r
setup-plot2- [ x5 H- O$ Q" I: F
% E1 `* m) ?0 b. f5 W' ~- osetup-plot33 \& T/ h" X1 {" s: g7 J
end
" {/ g' v0 x+ T! E( m, m6 Z
V9 ^/ P" Z3 k9 g I;;run time procedures
4 E5 h! ]5 L7 q" o5 n) N. g, f, D- b. p5 E
to go0 H. e( P3 p; }8 V. V( Y
- G7 M: U/ B+ \% X' U6 T" ]4 K# Q) aask turtles [do-business]
3 E$ o+ z- G' Nend: n& z- p, o9 T* F! z$ z
) Q, w0 U4 F4 ]( ^. w9 hto do-business
' O' K, d7 u; P
/ S6 p( J" |8 w5 V- m- [8 L( \* B9 o7 X# l3 u5 v! a, K
rt random 3600 f# L, |6 n' b7 V( w
. y" I; M5 T: ]4 K/ K* b
fd 1
# [1 K8 T9 g; x. w( u+ R+ f( ]" L3 I( d9 p S5 R5 @
ifelse(other turtles-here != nobody)[) |; w8 }% x( j0 B% k& S2 u6 i
: u7 C% W4 Q$ S$ N( F. d, m
set customer one-of other turtles-here
* i/ s5 X" ^! y6 [8 o9 y5 M- ^( b# ^ ~3 f" g) |
;; set [customer] of customer myself$ T; @' l9 F0 f& ~0 ?& v* {4 M
) h0 }) l7 P1 P6 h: D Nset [trade-record-one] of self item (([who] of customer) - 1)
6 Z' `1 D3 ], Z; H) z[trade-record-all]of self
, B6 z0 H# d0 q5 N$ \$ Y! ?9 e;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
h6 Q { k; l6 `
. ?% P/ V& C9 b7 X4 m4 Uset [trade-record-one] of customer item (([who] of self) - 1)$ n* ^/ F9 \$ L. q. U8 A0 @5 b
[trade-record-all]of customer
8 A# r' Y: k8 P$ M4 N& n8 E V6 T
- \8 m" G0 t( z5 ~! qset [trade-record-one-len] of self length [trade-record-one] of self
6 n2 S7 {- Z$ w
0 T* B! x* t' Q1 [6 C/ X) sset trade-record-current( list (timer) (random money-upper-limit))7 i9 U! a! X: i8 M3 K9 @9 O' _
, a* h6 e5 j: C* D9 h* n! C
ask self [do-trust]+ I/ N3 l* @& C7 ]7 F
;;先求i对j的信任度
0 S/ ~; e' i8 O# C7 R1 Q8 P- b0 ]
if ([trust-ok] of self)
) e$ H9 p; _" ~+ f2 A;;根据i对j的信任度来决定是否与j进行交易[
* h8 o& {. T+ u: U9 [& ~ ]ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself) H5 w3 N: R# w5 i) J! E
& M* n1 K! f3 Q3 F* \1 M& F+ R
[
3 p* T! L5 K0 X$ v5 T7 w- }! V
2 d! f0 S) \8 v; \4 I$ l8 }7 P% \5 Xdo-trade% [8 t% \3 m J1 E
5 X- g7 ~& j: G8 i6 o. O
update-credibility-ijl
% a9 G/ f$ b, V( u" [
7 _6 F! S T" W) G* L. d3 Aupdate-credibility-list
" q+ N4 u* |' H( |/ f) A( \8 J1 b
: V+ s; r0 t) ]- t: o% g. ^update-global-reputation-list9 \3 g0 ^9 a! x( J( p- V% s
9 e6 v0 S& k& U! @1 q
poll-class
1 j" O+ V% Y; o
' H8 W. `$ P9 J( U6 fget-color
4 Q Y8 h3 h$ Z: p: m4 a
0 Q! f4 m. W4 o% `+ g]]
% R+ J( v% F+ [/ |0 m8 P- B$ Q6 {' R5 {7 O$ }& N, ]4 d
;;如果所得的信任度满足条件,则进行交易
: ^. D. g4 J, ~1 F* S( E, ?1 ^, G/ s4 k/ G
[$ h: ^" P& c) C) G9 i$ m
$ y# ]1 z& ?( _0 s/ A' _ W1 S
rt random 360
Y5 m( E& {, ~1 K( u6 B, Q9 D2 y2 ~
3 p; j& T+ X) k! p2 f5 Ffd 18 T- L |: e( U, b7 T& h* n* e- v
' J* I8 N$ j+ U5 F, M# S
]
8 [3 j) J- n( A% O, `) E; A0 g$ @% ~; ]* W
end
7 h/ |9 u/ k- v, R9 z, i! N( a3 B4 R) {$ G3 B9 G
to do-trust
& W2 @$ _6 u9 c2 r( m+ cset trust-ok False
! ]/ w! I6 L, o6 p& a) \) I$ }5 ?, _& f4 z
. }3 |/ x( F, t+ v3 y. Mlet max-trade-times 0/ M- n3 J* [3 \
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
% O# N; b2 |4 Clet max-trade-money 0
! J+ z# X3 L1 L6 d- b! cforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
! M, s& r; v& I' E j2 P% Rlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
7 g6 q( w7 s/ s; X% I3 U! E- Z+ [0 R3 z( l9 I% `% n! S
4 y6 T9 Q X, p& ]. m+ H
get-global-proportion
' c, u% `; p" b% d. H }+ u' B# C$ Llet trust-value0 C ?6 K6 n/ X& D! c. G
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), d: d+ F$ Y% ]' z. q+ v2 I" Q
if(trust-value > trade-trust-value)
; K4 s3 m' L! y* C* U[set trust-ok true]9 r$ z/ y* v, q
end$ a( l* `" d; G3 J& c
5 |/ i# e/ _/ V& i% {3 `3 @. A/ c
to get-global-proportion
4 l' v {! Q- W$ @5 Q- J( T6 E' Eifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
' f. U, E/ B3 M- V3 v+ }- N[set global-proportion 0]% v) O( L: X D; c
[let i 0. q$ s: @ Z4 X
let sum-money 0
+ }6 E4 G+ i/ A8 d6 P2 y: fwhile[ i < people]
0 I Q* [! f; P2 e# ]9 p& H[
' B# v) i* P$ R# `- m# zif( length (item i, [% O% B, ~( @' E) k
[trade-record-all] of customer) > 3 )
# l5 j& B) _ e9 g[8 Z8 O. Y, o5 I- }1 C" E ^9 [+ n
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
# @0 z5 L1 q1 r) S], Z f) c' m& k7 a6 o' m
]& {' G* r. v+ m% e
let j 05 }; Y2 {9 {5 ~' ?1 r6 w' D* @
let note 0
" U: [2 q' w# N% {while[ j < people]6 Y9 |7 \8 N" E8 L
[9 N/ g5 H8 T2 d( G
if( length (item i) O' j c7 V1 p1 V. v
[trade-record-all] of customer) > 3 )* c7 }4 P( @! l% |4 {2 m/ H" N
[. U, P) J* ]. D( `
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
7 X5 A0 b8 q# M# v5 m8 c9 o[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
' F/ l" c+ c4 }' ?[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]4 h( a, t$ L$ x. m9 _
]9 L- m, N T3 I5 P
]
2 r3 o3 n# U( ~set global-proportion note
4 V2 L/ @6 L# r0 T3 T* g' R+ r" h]+ `6 x7 N, U3 N, x; [
end; |+ }' J1 D* O" t2 g( O
( L! ] T: H- f- n1 Y, X- |1 ^5 lto do-trade
( E$ O2 G3 B# g( [" s1 w y1 n;;这个过程实际上是给双方作出评价的过程
. ?* P0 q" j& @# rset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
8 G. v6 U9 u- Tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
" {$ p0 r. y# z# ^7 r. _6 tset trade-record-current lput(timer) trade-record-current( P8 q u% m. R; @; F
;;评价时间3 `0 f" N j5 k
ask myself [- ^9 m" Y9 A8 ]& U2 }& N, j
update-local-reputation, _6 v) q# E: S% M6 h1 V9 `( v
set trade-record-current lput([local-reputation] of myself) trade-record-current9 l( p9 Z: X0 z6 g2 Y% }
]
0 {4 |0 K+ p9 w- M, U. [2 y4 bset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself* ^. m! H5 C8 |& B/ f! d
;;将此次交易的记录加入到trade-record-one中5 M$ O3 X2 j; P+ |1 S" b, Y+ H
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)# m$ Q' e( G9 ?0 j
let note (item 2 trade-record-current )
1 Z0 L% Y4 |( I {1 f! M5 Aset trade-record-current
4 N3 }% `. \" y# c2 ]- u(replace-item 2 trade-record-current (item 3 trade-record-current)). S- H" q% \& x4 u
set trade-record-current
4 p$ @0 p$ g1 g! T(replace-item 3 trade-record-current note)
, |* ^" L' v/ s( }( K1 a" W! g! p; G/ N/ c& B
% W; J0 H9 L$ J5 e& nask customer [9 r& |0 G# K' B! m0 h& L6 o) D
update-local-reputation
! O& {% h/ X9 x4 Vset trade-record-current
& X* B' [( W5 K6 f5 t(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) % i& N; C( [+ L0 h0 |
]
! o3 r! V- d4 }# b) P; d$ ^. a8 Z( f2 X) A. g1 n9 k- Z
, Z6 y6 c2 E" _6 e- e ]0 H- }set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
8 x7 U k' ~2 `: v4 R
! W3 M0 B' f/ G9 n- p% k, q/ Qset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))5 e$ c9 s$ w4 V/ _# m
;;将此次交易的记录加入到customer的trade-record-all中% j4 ~' e; W) k7 b7 X% i/ c i
end
5 |+ {! K( [! G4 `/ g2 f
" ~! {( ]. e2 \- _" Fto update-local-reputation& E, [, P$ f- |) A6 [* i& V- r
set [trade-record-one-len] of myself length [trade-record-one] of myself
9 C% c9 ^& V+ p/ s5 S N7 @
! q% A* `( C3 V+ G( ^
2 r; d* `) l2 M0 V. q: W8 ~2 t;;if [trade-record-one-len] of myself > 3 - F* q* k/ @0 U$ e/ w
update-neighbor-total
0 c. F$ Z; O) ]( U' D;;更新邻居节点的数目,在此进行
" w9 i* Y- ]) j. Klet i 3; c: j" `, p: r
let sum-time 0
: }/ r2 }5 R3 A" o0 pwhile[i < [trade-record-one-len] of myself]
" J9 N+ |/ a* o( t6 x4 y[( o7 m1 F, i$ q ?8 V
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )% h, a4 m e) m4 p7 M
set i2 T, _( q7 b/ ]& p% M1 {+ e
( i + 1)
* u# ? S( H+ e8 I( H]+ v7 |6 ^" e* r+ i$ c1 B" Y) f' K& o8 F
let j 36 ?/ H3 C/ z1 H* |+ A0 Y
let sum-money 0
3 ~' n6 v, w; k5 H( Bwhile[j < [trade-record-one-len] of myself]. R% g4 ]9 X* }4 }* M X) L
[% K( H% N' e3 a' a9 k
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)% K/ v; q: _) k; f- E
set j+ R" M. k2 G( R0 H% s
( j + 1)) Z7 Z0 e S: @/ `. b+ q# }6 O. t
]
6 H* Y* i8 D a7 P, X# {let k 3
1 Y0 X' k- m- T4 Dlet power 0( v& x8 J% q8 w( Z5 M0 I
let local 0
" P! E# k& O( }7 f6 i. Fwhile [k <[trade-record-one-len] of myself], g- B3 J7 y+ g5 O- } x& i% h6 c
[& b/ Z+ Y- v J7 R
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) 2 d: z, b% g# r D; d* }
set k (k + 1)
/ R9 p' p& L% B5 K$ N9 t) s6 H]0 o6 j9 k# F; G. M8 l
set [local-reputation] of myself (local)# y; u* J( H7 K8 ^2 q
end
1 ]8 ?1 q' V6 L. [' u: g9 |5 e7 n) h1 N% n& d, A
to update-neighbor-total
8 L" o; H4 Q+ y4 Z) Y8 ^& {& s, N+ v& u- _/ A
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
6 d; u$ s! G" _( I6 V! g* r+ b6 @& U' s8 N8 J
9 c0 F1 W7 [ z5 W0 U
end
! \; U4 a5 G; W
) H) p" n5 y6 o3 N# g, Qto update-credibility-ijl
- G3 i, _* N ^ P( z: }( }0 X7 Z8 n8 S( `
;;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。
& I5 ~ a9 P2 S" w$ o" ^& Q: f- U' z$ Ilet l 0" [1 q2 D6 A2 |- E$ p' b* I
while[ l < people ]
8 B: n B7 h* k) u6 Z1 D1 Q8 A;;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5 M K5 D7 T- i4 U" I
[
) y1 X% E5 N+ D$ ? e: dlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)1 n0 V" ?6 G' Q1 B. M F8 N
if (trade-record-one-j-l-len > 3)0 D# C$ w5 l# s! G
[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% u. O q3 p, P( J' V) Z5 a( F3 W
let i 3
- K- O8 s7 N8 L1 c4 G% Llet sum-time 06 n/ M5 T: m4 L% j$ y
while[i < trade-record-one-len]
- \! k6 Z& N2 L& K& b' N[' }0 t* c5 g4 P
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )) ^ }! T9 M) P B3 G
set i) |/ Q$ L" @) @ m+ X' U% V( y
( i + 1)2 A1 p# c! o, l4 o" H, s
]( y v. w; s5 j6 v9 y, n! i
let credibility-i-j-l 0
1 B9 \+ T7 k+ K% N: L: g. v# y;;i评价(j对jl的评价)) r7 a- K- R( f1 K2 S' @3 v. ] p
let j 3
5 Z* a, l, U8 t' f. U* ylet k 4+ [/ n/ S) f4 X" b) \
while[j < trade-record-one-len]6 d5 `9 C6 I5 V" J" C
[
; p; K! t5 D1 ~, fwhile [((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
) V9 V4 K5 l7 t( t$ Y+ ^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)
- z3 D) ^$ w, {: J# Sset j; U/ K: A- e; ^+ B+ Q- y" X6 W+ W
( j + 1)
, V' p* A/ [0 j p5 b+ @]
5 `; j* E( I& e6 c; _0 A6 M# I/ _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 ))* j, ?6 i+ q' E$ _3 U. ~. S, h
' A# G9 i" s7 U9 a9 b
3 W, ]0 v: d; w$ Jlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
1 r; J) w2 X; Q! G;;及时更新i对l的评价质量的评价
' C: g. z9 K, ~$ S, zset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]( Y' D5 }( j) \8 k. \: l: W
set l (l + 1)
; C9 U T5 ` R]9 T1 O5 e/ K% J4 p
end
2 I& O$ i9 b' y! D F* a# L5 ~9 t* ^5 ]# L
to update-credibility-list
B7 `7 A! H8 x4 L- tlet i 0
* R z8 T* C: ~; j$ b6 fwhile[i < people]2 L/ g4 k1 @, H5 |6 k* I# v+ x) @/ X
[
/ K4 N# ~0 U8 J0 i, g: Plet j 0
( ~- i: H# y9 P1 j. y- T" U9 rlet note 0
7 r9 X9 U5 z1 U; ~) V5 j/ H- ? K" nlet k 0
/ N1 Z$ T! {* J5 C;;计作出过评价的邻居节点的数目' \+ g/ e9 g+ ~2 t1 P
while[j < people]6 g& `! s/ I' l" C0 m+ e4 ~
[% ]6 P4 X- w2 N) E! K! J
if (item j( [credibility] of turtle (i + 1)) != -1): j' |7 [1 x$ c# O
;;判断是否给本turtle的评价质量做出过评价的节点
9 V7 j- y& W; y$ u' h9 S! p[set note (note + item j ([credibility]of turtle (i + 1)))
p: H! d# |/ T5 l$ h8 I;;*(exp (-(people - 2)))/(people - 2))]4 r1 u l7 l$ l, x
set k (k + 1)0 ^) k7 f& w; n) n' h
]+ e3 s: |& P- H+ k1 _
set j (j + 1)% V1 l- ]8 \: M N: y
]2 H3 ~6 X$ b0 \# u1 k% r9 f' z
set note (note *(exp (- (1 / k)))/ k)
& I2 J3 o" R( C& t9 d$ xset credibility-list (replace-item i credibility-list note)0 n6 G/ \, m, e; W4 o7 t/ Z9 `
set i (i + 1)
! O% z. I. l# Z, n$ X]
) {: F" M& t, Q3 iend
2 Y* C, Y. K2 v( R( [) O& e( v% _# x4 k8 J z
to update-global-reputation-list" V6 P4 g# R& ~9 X" D
let j 0
+ G- @& }, K: q7 ^while[j < people]
" v# [" X* _3 `, \; _1 t' B[0 S q4 ^, B- t$ `& J! R; ^
let new 0
9 V1 i2 i6 K0 r" P5 [& m. r1 s2 y;;暂存新的一个全局声誉( `6 B- A8 K6 E y) c+ w5 p
let i 0
3 ?8 g1 T7 h9 i( F" b2 @# Nlet sum-money 03 ]( K0 s7 n7 J1 i1 O) t
let credibility-money 02 x+ M+ N% g3 A: n& T
while [i < people]
0 e- A" n) ?4 ^) W: s' }, g# l[
. k3 G$ A" t5 B2 c( w1 z+ A- C# Eset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))- ~# |- b& s4 w! X) {: a
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
9 l3 N- K B" U: j/ x" n% qset i (i + 1)
B% L) A- [: p% k]
" H: g7 w$ T5 l- |( ?let k 03 A6 _( g. Y- k
let new1 0) l$ B: u& Y2 V4 ?
while [k < people]! F2 o+ B/ I- U
[9 G( B: n; z3 q' c6 f: m
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)) w3 h/ `7 n; D! X
set k (k + 1)$ Q. h% V1 D# x" h. E' g- u: D
]
: `' d; g5 @0 A. eset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) ) a2 _& U6 f9 E( y0 i$ Y/ G
set global-reputation-list (replace-item j global-reputation-list new)7 r8 p: v5 ]4 }2 Y# l0 B
set j (j + 1)/ ]; R6 ?' w# w+ p. f1 C, l
]
4 h" Q# a- G; l1 p$ Pend. L" o; ^* X+ o6 j8 Q% U
- e" p3 a1 D* [5 m$ r! W
& i6 F0 V3 f+ q9 d
^( p& K) x6 f0 r! B/ q( q% Oto get-color
1 i. y0 j9 k* L+ z; d9 I |8 }4 r8 u) e
set color blue, y% m2 i2 e6 K
end
$ T# T& B, }% D0 {7 w6 ^
! ]9 ?$ Z) w: R/ q( V4 yto poll-class* o( G0 ~% y ^6 B4 f
end
U, c& r5 O7 A7 O6 p
, ]+ ]; L1 [. Sto setup-plot1' f h+ K. Q/ D, ^# j% s( C: o
: A* S! ?6 n1 u$ ]8 X3 t0 |set-current-plot "Trends-of-Local-reputation"
! L' {) J3 K3 v: r; N, O" ]2 B* h2 l6 [! e# C2 t, m) N
set-plot-x-range 0 xmax
# G6 r0 J4 E0 x) [0 e& K4 k0 V9 u! U" Q* x- o% a: Y; |' H
set-plot-y-range 0.0 ymax
9 |: ]# V& Z0 `/ {end3 e- t( R. D# M4 C
q6 v6 |3 u: y; @4 a: Q a% A
to setup-plot2; G1 q" y4 }7 M4 }
; x5 j. G! [- }" y$ hset-current-plot "Trends-of-global-reputation": O! ?+ o) A! k5 H+ X" f
0 o) s9 o- Y6 y1 C3 Q- Q- ]* K* d
set-plot-x-range 0 xmax
) r% \3 b, G& X) F: V% m$ @
/ R/ O5 k5 ?2 p3 Yset-plot-y-range 0.0 ymax
" l( u" C7 h k! b6 L$ Uend; |6 T- }4 @; o/ a" w0 q
5 `, P0 m. |& D3 bto setup-plot37 I, o( h7 S5 L8 }
+ P" M6 J. o2 ^/ u" R
set-current-plot "Trends-of-credibility"
. ?4 s' z8 S. D4 r8 N9 {& j1 M( R& H
set-plot-x-range 0 xmax- y* T3 H( D( ?* ?0 o+ Y
! S) p8 |! y w* G* t8 @* f" Rset-plot-y-range 0.0 ymax
% E b2 _- N6 j( G+ Vend
9 j; r- e1 d" B7 s" ^' W0 q& Q. g" q
$ I* R& s/ j5 eto do-plots
8 `/ D- T. C4 Y( k1 Bset-current-plot "Trends-of-Local-reputation"
) w M# [) y& y8 u4 E, N1 t, kset-current-plot-pen "Honest service"/ D( q7 i5 @+ _9 p+ T- l7 Z% j
end0 L+ ^; ^6 m1 t4 ?( g4 p% `
{% l' G2 W9 P) K9 F% A" {" @[ 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
|