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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) }! P! M, b$ h1 _8 D2 l& {
globals[7 @3 C1 r A; Z/ F" ~
xmax4 K. X+ _- o/ ^2 n/ N3 N
ymax+ F) R* E m# U! K$ P1 B
global-reputation-list
?& `) h1 ~" W) K, p' K
. W6 j& ?" O& Q- M Z. t3 [/ H- Z7 t) w$ z;;每一个turtle的全局声誉都存在此LIST中; I/ Z& `/ S+ A
credibility-list% w- Z5 w; \! ]4 s2 b8 {0 c
;;每一个turtle的评价可信度6 y& d, n8 l1 p7 n( i0 f! b; H
honest-service
- g" N. f* e% x. l5 zunhonest-service Q) M& w2 g0 P4 P# d
oscillation( }' r/ [* I" U
rand-dynamic
- D! h1 K" g# N- Q' C], O/ z6 `8 @9 a7 B( h1 Q
' v( `* b; |# _ qturtles-own[
8 t2 V' Y4 R# P# h. C) ^" Xtrade-record-all' n/ ?8 x; K% @. o& U$ j$ G
;;a list of lists,由trade-record-one组成% F$ g; y8 m0 u2 u
trade-record-one8 R% d3 p9 o9 H: i- k$ r/ S7 l
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
3 ]7 c' C& ~. y' Z' ?( J
/ B3 c# @: w! t1 H' C7 w;;[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 W9 a# L6 l! l& y7 j& a7 Ytrade-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]- N% e( b' \4 r. D
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$ y8 E* O) C1 E# n
neighbor-total* M4 L! a) b! y7 q9 ?: q9 E3 O
;;记录该turtle的邻居节点的数目+ e* s$ {* N- z6 g' t
trade-time3 L- m) }0 r4 p' p4 c! N
;;当前发生交易的turtle的交易时间& Y( F5 {3 \6 B6 G6 m3 J. q: S
appraise-give6 j/ d- n2 b% k- U% O
;;当前发生交易时给出的评价
3 d( b, k( }, Qappraise-receive2 N( P+ x; b2 o' b" ]9 W% ^! t
;;当前发生交易时收到的评价: \" ^7 t, _1 N6 p% s! g
appraise-time
$ K E! `+ q) m o% c6 O2 x2 i y; x;;当前发生交易时的评价时间! k6 a+ c3 u" V/ J
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
% [! A3 B6 Y9 L7 ]# Utrade-times-total
1 Y$ ?' [7 Y6 ]# Y; g9 C, S s3 E4 ~;;与当前turtle的交易总次数7 w2 b6 t& D9 m4 {1 Y
trade-money-total
; _- ^* j _8 a# f;;与当前turtle的交易总金额
( q0 q: }3 ]2 _& c! rlocal-reputation
- F4 J @* i6 w" B& ?global-reputation
' J& i$ V2 K$ l3 scredibility
8 ?; o" O) Q+ t+ W;;评价可信度,每次交易后都需要更新8 y( \: |: g; X1 Y s( \4 r, i, Y
credibility-all
% X. ? E' \5 M4 a% B; H- s;;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
4 o1 G. B" e- m
$ I, Z: B0 o: V;;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0.59 W6 M8 w; @9 C, O
credibility-one% T$ r. u$ w+ |& 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, x7 `0 H0 z# a
global-proportion
# }0 \, }& G# p5 \customer
6 `6 b8 W5 v1 acustomer-no: Z2 ~& i5 r( J0 M
trust-ok
2 P- l' N2 F) Btrade-record-one-len;;trade-record-one的长度$ ^2 L) o1 k4 U8 h
]
$ k" y' p8 R2 k, }% K2 X1 e* h% u4 S/ y9 [
;;setup procedure
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to setup
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8 |/ w: X+ j, @: wca
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initialize-settings
% _& {- Z6 `2 t* E. a# d
$ t* \1 Y2 g/ P0 X; R/ o6 ]crt people [setup-turtles]
* `4 T/ Y* y( B$ Q$ l+ f
P7 w6 T1 e! V6 g# k; k0 ^ ^1 `5 m. mreset-timer$ D; ]6 X! M1 Q+ V
! U0 J: y$ K0 h8 M Q1 }/ Cpoll-class
+ e3 ]* k/ a8 u! o. P) V6 H5 F0 b- \) v- q
setup-plots
6 a+ h& w) f! s/ v0 m9 t; _9 f) l9 O0 e
do-plots% U: L- ~2 i3 M
end6 n, @0 G% r% p9 f0 _
6 X" Z3 }; g- e. K0 ~6 x
to initialize-settings, _- u3 C, p3 X$ @
, s) ?& t$ U7 j) t( jset global-reputation-list []
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. ?# a! H' Z4 U+ v; N; `set credibility-list n-values people [0.5]
) O1 j& P2 w4 Q' V) `' b8 d$ _# e
set honest-service 0- N% ?& D4 L! I
% i; l4 Q% ~* s: k) Pset unhonest-service 0( O" A( p; S/ y; v( T7 |, {
( y( ^/ t9 p0 T) s
set oscillation 0# a7 B1 k7 U$ c, u4 T' B
( d: r8 t; o1 r3 C; ]set rand-dynamic 07 F. k" ^3 {& N) |6 r' r+ y& r
end
# o# @ j, j3 U8 t a4 ~& T$ r7 ~; e" p
to setup-turtles ) F& |) I8 f& N1 g8 t% n
set shape "person", H# W- j, Q, S8 }! z% F
setxy random-xcor random-ycor
" Z4 @( u2 { ^2 Q" Lset trade-record-one []0 z3 a6 d/ I7 k* ?
6 y. s/ ~8 h* uset trade-record-all n-values people [(list (? + 1) 0 0)] . E$ X. p; T3 ?# f
: [3 v/ `9 @ C$ P& Q6 q+ u7 p3 j
set trade-record-current []' J7 D7 t; Z4 ]3 `- [$ G" Y
set credibility-receive []! \ D! B- m$ c" T4 K- u
set local-reputation 0.5
4 }- R7 G. H5 q8 hset neighbor-total 0* N( D" }# k) u
set trade-times-total 00 U8 l1 Y R+ i. g1 L6 Q* _8 E
set trade-money-total 0
$ R! E3 v6 I2 t. G1 B+ G, Pset customer nobody/ u5 ~$ p2 W9 w; b
set credibility-all n-values people [creat-credibility]4 C3 ^5 h2 M& P- e+ m! `
set credibility n-values people [-1]
) ], N4 y; _% T2 W2 y4 r* yget-color* O j6 \* v, L0 Q3 G; m, O8 |3 X
# W/ n w k5 ~8 t A9 |& b' Cend
9 ^$ k2 }( C7 }4 T" j* s4 ?, K* ~9 o
) a3 v" h6 N7 W! j& h% i% ato-report creat-credibility
6 M. {# J$ ^# T8 g! treport n-values people [0.5]
1 v" z; S8 C* ?8 Q8 q' X- W% aend, M: Z2 J4 N& S7 [" ]% e* P' {6 Z1 j
" i6 @" W6 x" ^- ?. f) C' Pto setup-plots
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set xmax 30
M) H8 |+ ?8 X, ?/ P& W3 H
; d9 ]4 T% Y2 A1 S/ S- D( k8 _% dset ymax 1.0
# s3 ~1 I. l' D! Y, y, U
2 t7 D( t" G# v& f; C# J9 c. r$ yclear-all-plots
% D' W. N9 B3 W7 e* y
* f! ~* [2 U. p) ^setup-plot1
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setup-plot2
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4 N) W" E0 H" D- T- ssetup-plot30 ^( T5 o M* v: H) M9 v8 j, B$ h/ o
end
$ ^; Y* d1 z$ S! U1 k4 \
, g( V# K' ] ?; j;;run time procedures7 f" W) y6 l, x8 w
' K6 l: U: x. y. X# ^9 i3 A7 h( _3 N
to go
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) g0 w2 S7 E* P. Wask turtles [do-business]
& K' T6 d* V. w) ^- fend7 L3 {, f3 k6 A6 L, a1 G. ], V
$ q3 l1 s' r! H2 Z
to do-business 7 d! P8 O, C; u5 M1 x* ^/ N
, j) [# A b/ M( c1 w( Y- z% N6 _0 t5 N. ^& B1 t
rt random 360& T* M5 D: G' p( z3 a" W( ~
& ~. M' ]8 d" }; p
fd 1, c5 S8 g# N* [$ B+ B' h/ b: \: G: f
" P) w, M' o5 Q. Y' zifelse(other turtles-here != nobody)[; e5 [2 ]: i7 W
& ]5 Y' |( A. K- |- e; I$ B9 Gset customer one-of other turtles-here
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;; set [customer] of customer myself
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set [trade-record-one] of self item (([who] of customer) - 1)0 o+ C- }1 y$ ]; @/ N
[trade-record-all]of self' S% r2 G8 d8 M& l! s5 C; W
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
9 B8 S5 n! h1 \4 Y! W
' r9 V' K$ P1 aset [trade-record-one] of customer item (([who] of self) - 1)
6 _3 f2 M2 Z% A$ o. W6 F" n[trade-record-all]of customer
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# T$ U! t8 A6 m* s: Q+ Fset [trade-record-one-len] of self length [trade-record-one] of self
5 V- U& H7 ], T
4 j- G1 v9 Y+ s9 x- b" ?4 Lset trade-record-current( list (timer) (random money-upper-limit))
* B8 ?) ?* h% x% h2 Y) J' V5 {% M' [" @
ask self [do-trust]
: ` i7 V1 G8 \0 J- N' m;;先求i对j的信任度
7 [( I) p1 G3 L( ~. R# [3 ?
$ C2 T$ ]3 m9 Z9 u8 \if ([trust-ok] of self)
+ K2 E: Q& c# i+ y: Z! {7 o;;根据i对j的信任度来决定是否与j进行交易[1 M; f$ ^( X; h
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself [0 p+ Y! p9 U/ K# q) l
4 U7 Z4 }4 {! H1 f9 ][
0 ~: g9 l7 r" X+ y# c
! p5 G7 } a0 G) ]+ |do-trade) j& P% D5 G; f2 j
. r; F+ S) e. L4 Q
update-credibility-ijl
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9 w: x0 _, k' l, u6 p. M" ]( J( P+ Aupdate-credibility-list
% ~; W1 c7 V1 K( o$ M) y; i* d2 i0 Z# O$ J) Q h
( T+ l; Q2 u- x
update-global-reputation-list
( H/ J( _& ~! c0 g5 P. z: _$ \. U! I# t) T) z
poll-class4 M# d- s) \' c6 b, Y0 p9 O
- A& R+ p' y& i& p, c$ b) C' j
get-color0 N' q$ V; I) D2 }0 n; h
! K3 u& z6 r; u9 k]]
' W8 g* k# z! p6 J# @; a
' H/ C6 S$ Q8 x+ {6 \+ t6 q;;如果所得的信任度满足条件,则进行交易! Q) \) ?, i6 j
2 Y2 y, L0 A; o- s* C) q2 z
[9 D; q+ y; l( O P1 e- r
* J6 L: \' Q& y5 N1 J# trt random 360
: U5 J/ V/ Z. w! U8 t
% y! k% K8 \/ ?$ kfd 1
; a$ z* A0 e: f7 }) W7 h+ r# \8 m) u& S9 A
]4 L7 \* B4 Z& c" x
8 I6 s& u/ c8 ~* o% u Nend5 l, A; p. X% ~- s, j. r
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to do-trust % ~7 z" j y1 s9 x) W6 A" z# Z% g
set trust-ok False" f9 ~% q. r1 G2 r
7 G5 ?% p; A! I+ S( V, T; }( }2 m/ r1 H
let max-trade-times 0/ E% X# V( r7 V s) W9 ^1 ^8 z
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
; F W- J. V" v5 Q) ?% B( F7 Klet max-trade-money 0
6 u. X4 h* N& c: b0 C H) ^foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]2 f" b* H& d2 D0 D9 Z: z; A6 P
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))4 J" _" F" T4 }( c2 B
@ R/ n/ y2 H2 c# a
6 ?4 |# m2 i0 X9 p- A% \, u9 f% Y
get-global-proportion
& q' r! ^, w2 l8 b- h1 vlet trust-value9 m( t6 p. ^9 `+ E
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/ G Y3 F: B/ Q2 ~4 d% e
if(trust-value > trade-trust-value), K8 j2 e7 o. a; K7 j1 ~: M( j
[set trust-ok true]' d: b' D1 {9 a! o, f- l
end/ w' O: H% o8 J# s' Q, n. @
2 M# |5 k( v/ X( ? m8 Ito get-global-proportion
/ {, k$ V8 Q$ N0 mifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3) S; g# q7 g% d% y, O- D3 j$ p* Q6 b
[set global-proportion 0]2 P4 B+ l, F ~1 E* K( Y
[let i 0
* G. \ N" A% @let sum-money 0
! ^) |! P7 q, Ewhile[ i < people]
' t1 {" H! E% d- y7 V[4 y* M" Y$ G0 P$ F; M0 ]
if( length (item i
: B9 M. K# R. g9 D; c9 f[trade-record-all] of customer) > 3 ). n u. a' t! w4 J4 K/ p
[- F9 O; b& Z- M2 o2 E( P! W3 v
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
; ^: G' T- _$ B+ J], E1 s0 G" X8 L4 C% H. S5 F1 @2 E% Q
]
0 z) V. n% s* G: z1 v( T7 _let j 0
, _! m- S4 {* u `let note 0
6 C- y. n1 h' d: fwhile[ j < people]
Y; p" G$ M0 ^6 w[
( k: s. c* F/ n6 Q( ^if( length (item i
) \4 J. T3 j1 f; e4 h' g[trade-record-all] of customer) > 3 )
0 t8 e6 |: o4 ?1 ~' |# E[& x- u3 v5 g, N, G
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
; q, C* m8 ~9 K[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
+ `( x/ Q5 V5 ^- M5 B' ?+ M[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]8 ~0 n3 z3 e2 s: Y7 n- u" ~
]$ P2 B& Z, r. z, z) W
]- b- j0 e; V4 F4 ]' t8 ^8 M) y! E% z5 e
set global-proportion note
( Z! b, w1 d) x( z]
/ |' {; v4 u9 fend7 |: [' x3 z- v$ N5 h
% c4 {6 @8 I% b* r/ @to do-trade
[. V' U6 B# N+ V6 Z+ W" `;;这个过程实际上是给双方作出评价的过程, Y' p8 |& B; d/ A; x
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价$ ^. A4 J& V. x$ ^
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价% T9 T- @' [* y& u1 C, C$ v& z
set trade-record-current lput(timer) trade-record-current
+ d# a' g4 B6 `% {9 l, l- I;;评价时间
; z/ c- d( l- M; A6 J3 O* hask myself [# M; t6 M e' e
update-local-reputation
( q- K& I6 k3 C9 S' Vset trade-record-current lput([local-reputation] of myself) trade-record-current+ r& ?% A( e3 k5 S5 o; m
]
7 A2 R6 |/ r5 k2 P, P% i0 aset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself4 L5 _: N* x Z) u$ l- z0 g
;;将此次交易的记录加入到trade-record-one中& C; D9 m7 }0 }! ~3 C/ ~/ d& l
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
1 j2 G( Y2 X! I# c* Klet note (item 2 trade-record-current )' U( d( ?1 r7 m+ z1 \' |% G
set trade-record-current" R& k4 j' D7 Y% E7 J. s! h
(replace-item 2 trade-record-current (item 3 trade-record-current))
( z v7 j' y. o% {( Vset trade-record-current
, z7 A# E7 ^/ u( |( f(replace-item 3 trade-record-current note)8 ~* _ |0 K4 W2 Z+ l: h1 t
% Z; K; y0 W, n
8 {6 I3 P( V3 W1 G* aask customer [
8 J, u" T# E2 H2 R, j( yupdate-local-reputation% l4 h9 ^5 f2 A0 u' I4 z1 P( d
set trade-record-current
# J+ }8 }% D, ]3 _0 v$ t$ Z1 B. L(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
8 M" \; ]+ @+ v+ ^' q1 P" f' j& {+ J]: R% u* _7 f" c+ V( E( z3 I, o
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
/ q- q1 c! v0 K8 e+ X8 m# B- {( C* G' T7 A* }
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
; u6 k6 X. @& W, @ S' M/ H8 T;;将此次交易的记录加入到customer的trade-record-all中7 K+ w: u6 O, U* u
end
8 Y1 i9 G, l% c- i9 g, x
6 r" \ I0 k9 ~" U; ^to update-local-reputation) J' t, i- d. P, T/ J8 T
set [trade-record-one-len] of myself length [trade-record-one] of myself- \3 C* [7 O# J. p
' ^6 L T2 Q" y; l3 A& K& I6 \" ?3 }4 m1 c9 X% j- l
;;if [trade-record-one-len] of myself > 3 - i: W2 O8 p+ L, l) M6 ?
update-neighbor-total
' [+ @! s Y: N9 J;;更新邻居节点的数目,在此进行( m2 Z# b) K& ] e/ f5 y
let i 3
! r3 d, v4 [" U! f1 F9 ]let sum-time 0% P( Z. s- Z/ P! B# F. s) I' p- {
while[i < [trade-record-one-len] of myself]
) |( D! N* x4 V+ g8 P2 K0 f[
' O* s9 n$ v- t$ N# gset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ), h, A& ^ V6 v, X6 e& {
set i2 ]& G" B- X7 V
( i + 1)
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5 ]5 S# }( o; ~1 }1 J4 \8 q0 v0 Ylet j 33 M$ B$ ^9 Y* v5 y3 O0 u% R- }
let sum-money 0. j& r3 m) E0 B1 L+ T
while[j < [trade-record-one-len] of myself]
/ S$ h; R" x2 I* U8 B$ ][2 u- C e2 Y3 g7 j# a: `9 h
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 s6 s0 m9 K5 t* S, |
set j
" S) D1 O( Y' p. m( m( j + 1)
L! V# T- L% ]& S$ Q& c" f]
1 M/ t5 B/ R- ]& h: ?+ {3 x. b6 K# N7 Slet k 3
; z( J9 _7 m( O$ o; R* n F [let power 00 F! E' s' @2 S
let local 0; j! `* `4 t: |+ |
while [k <[trade-record-one-len] of myself]9 R! w) G( a8 S0 _" K! m" ]0 D1 h
[" j* ]4 D* z' V, W" W
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) ! g3 |+ O6 H! A5 w% _0 w) d% w( M
set k (k + 1)
7 H( T7 [. k( f]
- Q5 `5 e% V0 \set [local-reputation] of myself (local)
' K4 H% I4 Z( t5 Vend) G3 Y2 z6 ~& N/ u, ]( i
% j {+ o+ d6 T" A" k2 Vto update-neighbor-total
+ t% M1 X2 w9 O5 C; e7 h* V( m+ L4 r' w2 D
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
8 u2 ]. w- O1 V: }$ [. F, c# | W6 J& l T/ c P6 \3 m( A
6 Z* Q7 N. P9 @9 Z' h# O+ [
end5 ~* d# g4 O! K+ V2 c
& q9 w& \$ e5 ^8 r6 h( e2 jto update-credibility-ijl 0 D+ R" Z( M& V. ]8 G) o3 i
6 [ _3 _/ P& Q- I. [: o( u;;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。* y; h) D. j. \6 O- \
let l 0
7 x! g5 {0 I3 k% X7 `% gwhile[ l < people ]
8 r+ C0 d- ?2 P: }8 u& 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* D- ?& e# u/ c& m
[
. N9 h+ q8 P" r6 Flet trade-record-one-j-l-len length item l ([trade-record-all] of customer)9 X. n! o( i1 S) M Q$ j
if (trade-record-one-j-l-len > 3)
) _; t; V6 e# ~3 |[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
( @% m& h/ u+ |9 M* llet i 3
" _: R `5 |2 I6 N9 klet sum-time 0
- e* u4 c2 p. P3 a3 Zwhile[i < trade-record-one-len]
# ]) Q$ Y5 Z% O( ?: @7 l- ~[
4 D* G$ o5 p6 T6 ~- pset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
: B+ N; @* z) i/ x$ Q! }) oset i/ E b5 J5 E: W2 f, F) L3 \
( i + 1)
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2 R8 W& D! `) j8 z1 ilet credibility-i-j-l 0- F+ s1 Q6 _3 G8 z/ t- U
;;i评价(j对jl的评价)
# r& R/ m( g2 ]6 zlet j 3
( _! Z# L7 d" `- g, ? G# nlet k 4
" _' P! f8 h, T8 Y* owhile[j < trade-record-one-len]
" f' M1 n1 \! ]0 p4 M5 L0 m[6 V: T. Z6 q3 g1 T2 }+ X4 B
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9 T1 C* f" ~# h, v
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)6 H! b; C5 a/ U7 `
set j6 Y9 c: ~5 ^3 z; I& L
( j + 1)( s1 ^$ l, |, q& n. h8 F8 w' r- f( g
]
, Q x9 K2 m9 `/ a, _/ 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 ))9 T" d. ?+ \. z: l, ]
3 _, {3 p1 P; F6 Q \" N) q
# N6 c9 f3 n0 w5 I) S' j( l8 g8 [$ S! N
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))3 l9 k" [! ^+ M. Q) B% H8 [* i
;;及时更新i对l的评价质量的评价
- T0 N* y& {+ i: X2 q# Wset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]: j( V. g8 H. L' T0 O8 _ K% o
set l (l + 1)
# v' r4 }% |0 `, ?7 ~9 ]]
- ]8 H* d8 r( z8 \% f2 i% Fend3 R8 s9 ~- }3 d$ _/ e/ e
4 v3 v9 p3 j8 P
to update-credibility-list2 R! ]8 r% h$ b
let i 0+ E4 g0 K. c' A
while[i < people]
9 ]1 E6 T, ~; H: m& O; d4 ~[6 l! n; q9 ]' S R
let j 0# e7 T5 V E& }$ _8 A- T
let note 0) l! w9 ]& D; o5 n1 o, K' l
let k 00 q3 V0 n% ^$ e0 D% z
;;计作出过评价的邻居节点的数目( Y2 ]4 n1 U I) H F) M
while[j < people]$ v& o5 X& G* s) o9 v
[( G M% Q7 q! S
if (item j( [credibility] of turtle (i + 1)) != -1)# `* C+ R. Y% c) v& p
;;判断是否给本turtle的评价质量做出过评价的节点0 J$ I7 q; o5 a1 q7 E( j
[set note (note + item j ([credibility]of turtle (i + 1)))
! J# W' R7 _4 f. g5 O& H; Y;;*(exp (-(people - 2)))/(people - 2))]
; | a# n) n. Iset k (k + 1)
7 n1 G1 D' I* p8 ~8 W+ K+ N/ ]]
) k3 A: \ ~) N7 xset j (j + 1)
5 Y! n4 ?9 c$ ^8 W]
6 G0 Y/ g3 w p6 f+ [8 lset note (note *(exp (- (1 / k)))/ k)' u' K D' y( O
set credibility-list (replace-item i credibility-list note)
6 M3 v+ [# t1 F" n& E0 Mset i (i + 1)2 [9 c) @0 j$ X' z k0 J
]% J) u- `/ }5 p0 p" `7 d6 }3 _* [
end8 J& I+ B+ g* f; G
8 s) D9 T+ N6 `* v5 h- v
to update-global-reputation-list6 F" |& r8 ~, V& L, ]
let j 0& [; m1 g& Q& L3 V ?/ n: G1 F V
while[j < people]) E, Z5 F* T8 {/ C# u
[+ T/ A' F; Z Y# N* Q/ T1 }5 k9 s
let new 0
% V7 f( v9 E& Q5 p8 @;;暂存新的一个全局声誉! h1 T4 {. a0 U/ A/ ]0 v
let i 0( g1 T( j) P8 b" i; w
let sum-money 0
" @. N! @6 u9 l6 Ylet credibility-money 0& {' Z, [0 b3 j3 z8 W
while [i < people]
- q( U8 L) ]: }: z[. L. [" P" b- N: f& h7 B4 \- f
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))3 K) X) b% J+ Y+ f; b; F" c
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))9 T# B' O9 l/ ~) U' b9 S
set i (i + 1)
5 m6 ~( b( r" }3 f5 `3 ?& ]5 \]- m: U" |% Z$ B1 {6 x: e. m
let k 0
: M; o8 N$ _8 V( H4 W) plet new1 0
7 f5 t' t6 `' f) u3 Z% f9 ywhile [k < people]0 `& A3 ]# ^5 z$ D, `5 r: R) V4 X1 X0 V
[
$ z" y3 n: o* nset 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)4 g' e% J$ E% q& @
set k (k + 1)
& U' |5 A/ M, u: ?' b1 n]
+ P) O# a! B; f" Jset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) + D! S3 I' b% }4 l/ [0 ]) x' f
set global-reputation-list (replace-item j global-reputation-list new)
- n6 Q5 ^) _" o; P, |7 `. ]set j (j + 1)
* x% R7 x3 ~+ @8 ]& g]5 j5 k. E+ c% _% S1 I
end
; ]; E8 K) i1 |& _$ Z4 a0 d* S; O1 t; z' J( Q: N4 v0 z% M
V9 V6 [! p& R1 d/ T
7 H# q$ ^, I1 \) K- E& A6 q
to get-color" C& U4 ~6 H& ?: H: |& E
! r; m! ?4 H' rset color blue7 W8 z8 n8 g/ S3 a7 S5 x2 z
end( i( F/ r' `& N5 W/ ~
$ C& g* r9 Q5 ~; t! `" n, qto poll-class% y; f- M9 E/ `- s# A. z X
end: F1 s8 S3 E/ Z. o# W' R1 T) G7 h0 u
2 V! G4 V/ Q0 _9 d
to setup-plot1
6 A* `9 E. |4 M4 k8 [% Y. \' v+ Q! j* k/ O! [
set-current-plot "Trends-of-Local-reputation"" y7 z5 p7 f& S' `" }2 B3 X# c+ Q
A d7 V) J6 u0 @
set-plot-x-range 0 xmax
9 u, D# p# c* s0 i& R' P* a/ B# t2 R* a9 {
set-plot-y-range 0.0 ymax3 M. ` W" ^( N W& f' m& H( V% T* T
end: ?* u5 o0 f: C& c1 p- V, a" x$ [
: C- e" N9 D' e- O, Yto setup-plot2, Q, `& ? N2 Z# d0 T: z* ^
5 d$ I( J5 B" z# y0 `set-current-plot "Trends-of-global-reputation"
- f" N8 D, V6 Z( K# g; L m- K' o8 X9 Z, |% w
set-plot-x-range 0 xmax
- R" \; }3 d6 p
# s; B s# o) ? s9 D& zset-plot-y-range 0.0 ymax9 j* T, Q9 q3 c3 I6 h% i
end5 I" x% b8 x! i$ {2 }8 B# x
5 b, S {# p( \, U, @$ w. a+ V
to setup-plot3
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set-current-plot "Trends-of-credibility"% u9 \3 j/ C k7 q/ Q- V' Q
) X) j, J# m9 J6 M( X
set-plot-x-range 0 xmax* W9 T7 N9 h+ A0 u9 u
$ ]3 h1 j" y) J2 S- Lset-plot-y-range 0.0 ymax
1 o6 ]1 w. Y9 f2 V5 n- ~end
, w# Y% a( n4 j' r: N9 ?& U6 o# v7 Z- E2 ] ~! O; G& T
to do-plots+ c7 O' L: j! r: z5 F2 T' h) J
set-current-plot "Trends-of-Local-reputation" V3 p$ ^( \4 t. T! h
set-current-plot-pen "Honest service"
, Z1 B7 E- @" ~end
) Y9 H( ], B# [: p& ^
5 z' f8 y9 z% h! o9 j[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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