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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1 _2 u7 T8 b( T
globals[5 B2 O2 Q [2 i9 R
xmax
R, w1 z& _& W, a* L9 [ymax
: f. U5 Q0 H' i# hglobal-reputation-list. W! g1 G; m9 w( n- r
( j2 n ~1 t$ D
;;每一个turtle的全局声誉都存在此LIST中+ l% E j+ d5 b8 l
credibility-list7 f% t8 p$ E- n% i$ O" r4 _
;;每一个turtle的评价可信度
$ z9 }$ x1 V6 O! p, bhonest-service
3 Y* X" x- U& F, ]6 }unhonest-service Q9 F$ X0 [2 w+ u6 v7 J( Z! i
oscillation7 {# X' Q) ^: H0 ?: F
rand-dynamic' D/ ~0 _& c! J. [ |" b
]# M) z, l4 S0 J( I9 r9 Q" p
+ K2 H$ B3 Q' f s) Kturtles-own[9 Z0 |. E) f7 T h$ T1 Z; V; ~
trade-record-all) c5 m* d+ [ i$ X" G' A
;;a list of lists,由trade-record-one组成
! s0 n: B) Z) N& {" ktrade-record-one
# i. h+ j# U9 K6 Y4 K( K;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
. H3 [ C- {, A. y$ Y$ k' O5 W# \0 u
9 C; p3 z# Y2 d1 T;;[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]]7 Q I& f) X4 j% o; T
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]/ C/ D; p0 X. M% {- 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
% R. W2 n% v, r7 {* Vneighbor-total
, w M" P9 I% M7 a9 R;;记录该turtle的邻居节点的数目. ~( j) X9 ^3 h* t
trade-time7 n3 r) O% a4 Z: M
;;当前发生交易的turtle的交易时间- @0 E; b: {/ I% i' N+ o
appraise-give0 s; l5 `* K4 ]. m* a0 n
;;当前发生交易时给出的评价
1 _( z' k# F4 o7 Q% ?+ Gappraise-receive
9 ]5 y6 l: T8 u;;当前发生交易时收到的评价' l! h2 b9 ?; h" i7 K; {
appraise-time
6 n) U( e; \/ b;;当前发生交易时的评价时间% s* O. A: S: p7 O" ~ E+ Y$ n3 x
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
# \1 m: ?1 j/ D! `# C* J# n) d+ h+ ptrade-times-total
* _ H8 b G( K" k, K;;与当前turtle的交易总次数2 Y* F% C( H" y) {: ]+ v
trade-money-total, [" _7 O" z0 i+ E( e- g
;;与当前turtle的交易总金额
* r! G2 g8 R% L& j! rlocal-reputation4 o+ y/ T0 D! G# a# [* Y9 K( C
global-reputation) X) T7 Y: R! ^: {6 E- \- H
credibility) j2 |5 U0 \+ Q+ ~6 @
;;评价可信度,每次交易后都需要更新6 ^' P1 B/ A/ J! x
credibility-all* f' k, N, G) A: t
;;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0 f5 v. m: m$ m' U$ R/ j$ t
/ A4 z* `. d/ W8 X) g: y$ q: U) r
;;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
+ c! c1 }+ _% bcredibility-one
+ T1 m( G7 I7 O8 y;;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 y/ f: u" ~; W+ J# h4 V. e2 |
global-proportion
- @' P4 f/ V" B$ w- H! wcustomer" L+ h d0 [, L+ Y& n: l2 {
customer-no: K2 L- J( J, q
trust-ok' |5 _+ I! S8 L4 l" Q. ]" f
trade-record-one-len;;trade-record-one的长度8 b8 J8 a6 h* C# E
]
' w! @5 t5 D' c& L! e- _1 ?0 n, N2 r- f# W" s+ b; D4 X
;;setup procedure' n) B# r& H; d8 B6 z" N
6 s: i# ?5 {% x' t/ ]
to setup
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ca
5 g9 p# p4 L3 e7 O
2 I. j& b0 L; r1 I& Ninitialize-settings
& Y( F& w! `2 r g3 I: A8 v# n0 P! i2 c* O+ {) p
crt people [setup-turtles]
2 B' k5 [; F5 s' j* G
5 k- \; u$ s a" G( [: breset-timer
! Z: @- ]/ H/ V9 \/ F! p" x
& Z3 t$ B7 {: X o8 a {% mpoll-class5 R9 J# P i% l3 z( f6 t6 J
9 u/ n+ j2 S6 Z, k' lsetup-plots
7 A) K$ J2 T& l& s: O
8 \: e1 C" d& Tdo-plots
1 m) k# ^7 ?) d/ Nend
$ ]6 ~4 L, U" \5 @* X, l o2 `! W0 L/ f
to initialize-settings
$ ~0 t" d3 T0 W2 \; F5 k0 Z1 \# I+ K0 j6 Q, W I6 }
set global-reputation-list []# [" T |8 H* O0 s- y9 m% v
9 L" w% [- W* R( Y( Aset credibility-list n-values people [0.5]
- } Q( |$ ^; w2 f+ I$ e7 n+ i7 M
set honest-service 0/ p4 J: b) J* ~$ X' k5 U. _, [8 ~
; Y; Z# i; K) Z8 g/ r& O9 yset unhonest-service 0+ P7 `0 f. Z9 u+ z+ H" V0 @1 I
; C' p& Q- ~- k: j5 ^$ u: v) fset oscillation 0
" |3 G0 e. H) o* K {. ?- Z* F; H9 T& d# j1 U( L( T2 T7 o
set rand-dynamic 05 R$ k% J9 N" v& ^$ c
end& S# Y. R9 |( m$ Z( @
+ g. C. X/ @! {to setup-turtles ( t; Z. A8 C& S+ J9 J/ g. B
set shape "person": r8 H& P' J( E6 l- {
setxy random-xcor random-ycor
8 F* G: ^' [; V7 |, c# Eset trade-record-one []
4 M5 B4 z, D8 @+ C2 Y. U, h, S6 s+ k5 P* | Z. O
set trade-record-all n-values people [(list (? + 1) 0 0)] 7 Z# b4 \& ?) W% n
$ a6 g5 [- j, k" C* V$ O
set trade-record-current []" t' Y/ D( O' M( O1 F0 L" }5 v
set credibility-receive []! h) e8 W- d5 I- J7 o# p3 z- Y
set local-reputation 0.5
- f0 G( \. Z) J2 Z8 jset neighbor-total 0
, X2 ]9 i' d0 J# O2 R2 }1 w& Kset trade-times-total 0" M% @ V0 ]+ D
set trade-money-total 05 x8 V" O) D3 R" k9 f ]8 D. e
set customer nobody
1 |% \) O5 k) T. uset credibility-all n-values people [creat-credibility]
$ D& S& C0 ?8 i3 D; O) i9 Oset credibility n-values people [-1]& G+ t' c6 X+ Q) j
get-color( L/ i3 f* e9 T+ z. j: C, t+ F
8 I2 \" `% E& @8 ^8 Q
end1 P3 K/ Y$ Y9 @4 _6 R
5 i5 o8 r& u- E7 z8 b, [3 m& D
to-report creat-credibility3 ?* v/ _6 ~7 R$ q
report n-values people [0.5]
- C4 X. q2 g6 L* ?( h. @- S3 tend
5 R% ~) p6 A! M) M7 K& O1 G A" y3 p+ r- }" k7 \4 J* j3 ^
to setup-plots
6 B+ |0 R5 z) L; a' [
4 ~1 a& F" l3 iset xmax 30) g% C3 [% G# ]' \
! f# r% s: ~; a# [; }9 v5 ]set ymax 1.06 m8 e( t, G2 w1 Z# U: z( p
3 }) F# _3 b! |clear-all-plots1 @, J, |2 m, j$ X$ k- q3 ~, t% O( J
" h2 o# h( C5 v% S* msetup-plot1
! m, t( R6 ]$ p0 ]; I9 k2 ^
+ E; c- G6 S2 gsetup-plot2+ F( q4 ~* B' G1 ~
/ C( Z/ C: p: ^& T( V
setup-plot3/ L: y2 l! a6 P
end' V6 C+ H Z2 t4 i" t4 ~
9 _: r7 V+ z6 Y5 s
;;run time procedures$ O, U8 z D# ]/ ]' y% c
' u1 U1 G6 d( Y T. F6 z
to go9 m, h# L& _1 h
i# W% H# ^# M# R; {3 q" zask turtles [do-business]
/ l7 P" o: X( b8 C) o6 Aend
, x9 u& G: G3 ]- Y
0 g, F& _4 D7 H. G* `4 ito do-business 0 Z2 j7 \' @6 q3 i. S; \2 \
7 d& d- G7 Q/ L% d% Y7 `4 g
4 ]0 w( r7 l) O' v8 z
rt random 360
! S$ U2 G' B1 k1 P& s' z3 t# [8 m) c: s" Z
fd 1% |& \% S: p* F- o& o I
( H1 F: U1 T0 a1 x6 E, B9 [ifelse(other turtles-here != nobody)[ i' g- x- `1 }# {4 n) {! e/ y
0 z9 S5 @! L7 ^# kset customer one-of other turtles-here# j$ T% @1 ?0 m8 I s1 n3 U
* G) c9 e# R# A
;; set [customer] of customer myself- `5 V) Q7 e5 D$ T; t: c$ ?. X; X
& w* y1 J1 i* _3 N. Q! N8 Q Mset [trade-record-one] of self item (([who] of customer) - 1)
& _) w3 I0 w6 S: x+ q* H) g! Y; j( D[trade-record-all]of self/ Z! i/ R8 t! \( {4 B
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
; B) R: a( u; C8 B. a
5 ^4 i+ R5 R( j) `/ nset [trade-record-one] of customer item (([who] of self) - 1)
0 O9 f3 N+ d7 J+ C[trade-record-all]of customer; f- o- E2 l' x5 H# V1 T7 L
- X9 X1 |+ Y+ l6 b; k4 f
set [trade-record-one-len] of self length [trade-record-one] of self E9 c& n( d7 N+ a4 _
; f# t8 V3 w2 |: Vset trade-record-current( list (timer) (random money-upper-limit))
: q# x7 D6 p0 J" }
$ b% n3 D0 S, x# k# e+ |ask self [do-trust]
6 x7 r& U) J: t, C8 y- S0 s;;先求i对j的信任度# Y+ j* K7 }. f) u$ D B0 @
: p+ k( x* J9 N( x, L" F; L
if ([trust-ok] of self): y3 r+ m$ ~6 O6 G1 S
;;根据i对j的信任度来决定是否与j进行交易[
1 F7 f. Z- A7 {9 z; yask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
8 C L4 I/ l! J4 d6 @9 R" D, G1 C4 [+ F. i0 ?: \
[7 U- q" `% z3 g0 `" m* X
7 x+ `; f9 w/ I! h$ u8 y4 {6 U! Wdo-trade! R( S9 ]7 O1 C' q) f7 \
4 B) ^5 n6 O2 uupdate-credibility-ijl* m) z. m/ C; b$ }
9 b" a7 w5 L3 x- N
update-credibility-list+ ?6 J% O0 h9 B6 w
* g- k8 c5 m7 [; m8 Y& E
0 J* @$ {! P" s' v+ P
update-global-reputation-list5 L# p. |" s3 ~7 G
% ?, E+ s0 _( W4 zpoll-class
7 w5 y$ t. S2 P, W, u) l, y+ R& Z. f9 l
get-color1 G* h( G1 s% y+ T% B( A3 a6 C
& R$ |- y8 p0 P2 s, }: p]]2 d+ M! {7 z. `6 }( E/ q7 e
& a# o$ }$ y* A2 h# r- Q( B2 {;;如果所得的信任度满足条件,则进行交易2 s p8 K4 e/ s8 _. E
/ V1 `1 I- S, m! u% t$ Z
[6 B T& I# i: @
8 ^* `1 b/ `, ^. q( G! H7 H
rt random 360
) [, L- I9 ~5 u* G" R& }: l! ]0 |, f* U. e; n
fd 1; k1 G+ C0 N6 D7 O
! L2 B6 u) d; \3 L
]
8 a/ C# m2 c( |4 r( J1 h r, u! J G" y I, H
end
! T$ Z% [; D# l8 g/ ~. }: Z
3 F. m- }+ B0 V' _' cto do-trust
1 U$ a) K+ r9 c! G6 P- Oset trust-ok False2 I% ~4 g3 {, M
7 P* W8 { E- }, f6 T1 l2 j) _; h* j, r3 G
let max-trade-times 04 ]% [+ }6 n- Y7 h) V3 W
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]/ C# \! ?4 Z% _/ o/ ?4 Y) {
let max-trade-money 03 F/ B c. t0 f2 O: ]
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
+ @8 ?1 D* S' F0 j% J L5 } t7 qlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)), B9 h% J9 W8 {4 j% U0 X9 [
% X! j( I# |4 z# w: z. N3 h
; h) i; t) P# U7 v$ ^; d4 u% D+ uget-global-proportion# R% h3 L y# K' g }! T$ P5 k
let trust-value
6 B9 G* T7 T& r: @0 Flocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
) u; A. x' Y3 v H1 H/ n Xif(trust-value > trade-trust-value)
4 g' R4 B8 B" m% ~[set trust-ok true]
& g5 e8 X+ s$ w6 z! }end
7 z+ [4 y; m, c0 E* H* k2 T+ B9 G
+ ^- a" C, A! O: v% f( Tto get-global-proportion
8 S. V- g+ d, e6 ]$ }! g, ]8 jifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)' }; O$ z2 J c
[set global-proportion 0]; a3 s2 V% W& v6 ^3 z; d$ i4 ^
[let i 0
! K5 f6 ?, U4 L4 U- f- Ilet sum-money 0
# L5 q. u5 k: xwhile[ i < people]% [& J' X5 K. o9 I# o0 \; w3 S
[/ M3 a* n5 h8 Y! y, H
if( length (item i
: C; F$ p( \, @9 t6 e[trade-record-all] of customer) > 3 )
+ z" ~' G4 `4 }" j" I[7 X4 v: E" G; c5 t& R: K3 m7 p
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))8 ]1 X7 A) L6 j" T" f& Y2 r
]# S; O7 ~1 L9 F6 }+ p
]3 ?; z+ i/ x `/ R
let j 0
. f6 R( G D M. Y, P# rlet note 0
' @$ E" x2 c8 h Owhile[ j < people]
5 e3 P0 b2 K4 y1 M3 D3 \[: Q: ~# P( G7 I/ P9 H1 z
if( length (item i
" k% P+ j' ~9 M& a3 X i[trade-record-all] of customer) > 3 )' e* ]9 a8 [' Z$ ~
[
; ^, J+ H; I' O; a$ @ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
4 A& o0 A( b) k0 F: L. v[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]" f$ t u5 R( q) W% I
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)], Q6 q, ^9 `% u5 \' s
]
% @" a, o6 D/ j$ P8 N4 v& d]' x" B* i. w" c
set global-proportion note
5 g9 N L2 F! D3 u]
8 b1 ~ s0 L" h. r* ]8 Qend
$ Q* [2 R) m: X/ V. R! A" M( x
( o9 l; q$ B5 W2 S6 ^( k0 d& jto do-trade
5 d& U5 I, \* G* ^5 W& Q) {;;这个过程实际上是给双方作出评价的过程
. V, ]& @6 J' y' Lset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
; h2 z7 `" {! Z9 X2 d) m7 M$ z% gset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价( t3 g6 X8 F# [) K' G
set trade-record-current lput(timer) trade-record-current' j! a; h. S8 L
;;评价时间: c- J5 W; q8 |' l4 [" i* I4 U
ask myself [
+ E8 C- `$ q/ N3 Iupdate-local-reputation
4 |' U O4 ^* r5 }! C2 |- c8 Iset trade-record-current lput([local-reputation] of myself) trade-record-current
1 |4 a1 J. X: \3 e9 k3 L9 g]( z6 v* X% R5 j/ w; a
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
4 g- ~3 u5 W" [7 C1 ];;将此次交易的记录加入到trade-record-one中
: Z! V4 ?- O! K" f( O8 xset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)7 f% e# Z( |: U0 R. W2 y/ n" M3 P/ n/ {
let note (item 2 trade-record-current )9 Y7 q. I3 y4 p% J, X4 K4 ^
set trade-record-current+ `4 Z3 \5 n, }7 ]9 \& ]( `
(replace-item 2 trade-record-current (item 3 trade-record-current))% s u0 d5 ]% R0 W* M! I
set trade-record-current
" K: S |$ l' ^* K" s7 c% X(replace-item 3 trade-record-current note). s, B. D, s; K: d1 `
' O5 k8 t6 T* G7 \3 n( v/ K4 S E% u
ask customer [
6 I/ r: d2 J' \" Dupdate-local-reputation) c# x2 _( }) Y
set trade-record-current
) F- S- m6 d& k(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 0 k( H# j" b8 q
]& Y% R1 B# n b4 ^- @5 [% o2 o. j% ]
4 i7 m- l. L' M
' j8 M5 K" m' }$ L
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer: Y& I2 ~, d: U3 I$ \9 g
$ G$ M5 Q; @1 D. J1 n9 A d
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))! t' ]8 y- b# \
;;将此次交易的记录加入到customer的trade-record-all中: u F' \$ j( w8 D5 H6 e( m' {( a
end
2 T5 M% F" X5 Z9 O) d$ K$ K; r5 s3 P- G+ g8 c
to update-local-reputation6 ?( A- q$ m2 L. i- ]5 x
set [trade-record-one-len] of myself length [trade-record-one] of myself( W5 t2 ~5 Q* w& l4 l' Y( A& y
- D/ l- [0 y9 |% v } k+ O: g# p6 T
* h4 I, J) N1 N3 v) T;;if [trade-record-one-len] of myself > 3 3 N5 x+ n) h# \/ L# w4 T
update-neighbor-total. u4 _: r: ~ u+ Y W! p2 T6 \, s1 F
;;更新邻居节点的数目,在此进行
+ _0 ^& [8 r) ?. T9 g- t9 ilet i 3
9 ]8 M4 ~% ?6 s0 @+ j g6 F3 Elet sum-time 0! Z4 F/ F, l1 U: V. r
while[i < [trade-record-one-len] of myself]# P; Q6 H J4 K8 i. u" N2 G6 m
[/ p: s& m. u& L9 P: y$ A' S
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )+ x' m1 P+ u8 B1 x/ {# M
set i) ^: W. N/ D- |1 H) m9 d' L
( i + 1)' M# U% b# V9 l* p8 S% a
]
4 l/ W( S3 S2 |" I( t9 k5 Mlet j 35 S; P. f8 \) Z1 V
let sum-money 0$ Q" f- d; {' z3 k" e
while[j < [trade-record-one-len] of myself]$ |# B# f; O1 n% X& T9 p
[7 c' c5 Q) U) x& s( J
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)
# a1 S6 Y4 x' }5 R0 V: V& Fset j4 ~* a/ H9 @" P6 p0 h% h
( j + 1)
) P8 Q7 z5 m5 |5 ]]" Z( ~! `# j: Q( U$ {$ i
let k 38 a# x0 p0 B6 a) r4 V% W) B
let power 0
1 J7 { ?1 [1 ]let local 0+ f9 G- h) I7 L: q0 d: Y# L
while [k <[trade-record-one-len] of myself]
( x5 C6 C+ U: Q7 s/ v; ~4 i8 D _[
' I) G+ Q. c6 g2 k# {& U n, wset 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)
6 Y$ B9 I3 q/ ^% ` n6 Vset k (k + 1)
& I' A7 _+ I4 E) ]8 e/ n' e]3 R# S# C3 Z; u5 I/ P
set [local-reputation] of myself (local)
4 G4 q2 l8 G5 N7 F3 ~end
6 H! _, @- |/ b9 f: w( n4 ~: C; A: X% K
to update-neighbor-total
$ _, C) P7 R3 g7 ?! f; J7 _1 `8 }! C+ R# B
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ] i$ G7 J! t8 v# v; o
7 G* G: |: w [4 Y8 }
9 m; _) v3 z, L! I4 i1 cend& d% N0 n- F5 Q8 g) l
# P% u* t. Z) A X3 _8 C
to update-credibility-ijl & s2 E6 R. c7 q4 S
* p; `3 D' L- ];;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。
8 E( Q' F I' |0 dlet l 0
0 d0 t7 R1 |2 ~) owhile[ l < people ]2 o$ d( R( L( s+ X0 Y+ x9 i$ X& d
;;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 L9 a4 i/ o+ g[
4 n" f& \+ |7 U! c8 f0 g7 Llet trade-record-one-j-l-len length item l ([trade-record-all] of customer)* X& ^* C6 y5 h; E/ V
if (trade-record-one-j-l-len > 3)
' A2 |' v! e: x[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# `/ K; G X" p! i
let i 3
& ^; y- r1 [8 a0 z* F! zlet sum-time 00 O3 J! I: b9 k& u( S: ~
while[i < trade-record-one-len]6 a$ J9 h. _! {
[
: k7 y. B3 O. H! c7 i5 s4 ^ vset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )' d. \" p) s; q( r S/ t
set i
& x# J5 N4 A( q$ o, }# i% q$ Y( i + 1)
; s% f: e4 j' m: ~]6 S5 V6 ?% y) F* T; k) E! S
let credibility-i-j-l 0
1 k; V7 L/ J+ U3 p' N0 Q;;i评价(j对jl的评价)3 _3 V. r, ]( B, m, K1 G |$ S' |
let j 3
9 i+ ~6 u" l1 Olet k 4
" Q& T8 U# z& d9 `8 e( Q8 Vwhile[j < trade-record-one-len]
+ n( E- I0 d% v k2 E- E/ [$ m[0 n& G; t" s6 m7 D
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
" G2 w# `( x& h1 D/ {& X& sset 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): z1 o f. m; F3 w
set j2 H+ G1 H9 W; I; x9 s$ F3 f; l5 |
( j + 1)8 Q& q' @3 X7 v5 [$ ]
]' x, I" r$ a+ V" s/ h( o% `
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 ))
# y. u' p5 R% V7 t! L* E5 i
1 G; c0 L2 ]! J1 g, _' o9 Z) z( d3 E+ T$ j! p+ U* m9 ]- l% Q
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))+ I6 ?! a5 {$ s8 k! T4 E
;;及时更新i对l的评价质量的评价
$ `0 a2 C* G+ N+ X7 w; tset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]+ K( h+ x0 ^6 q; u% ]! ?
set l (l + 1)
: n& C* k* n8 C+ G' G]
$ r6 f* R2 P+ Y, w% l+ uend1 n. N1 U1 d, F
- X% n" L3 ^3 W9 w: r+ |$ n. U
to update-credibility-list
9 K8 m8 Q! {* l! @: s" o8 y, jlet i 0
' a0 B) [8 m2 @while[i < people]" M2 I: F& Q* R5 R! t# q
[
8 ~8 V, I4 q* v! Z {& ~% q- Wlet j 0
0 V; | Q+ E: y2 {let note 0! e+ g- } u7 }! _; w) G
let k 08 r& v& w5 h" K$ B( v6 F3 u
;;计作出过评价的邻居节点的数目0 Q; g; G8 B2 ?9 \5 y$ `0 M& L" h
while[j < people]
0 t# {6 R4 a- |1 \, C[6 t/ c n, t9 \3 |
if (item j( [credibility] of turtle (i + 1)) != -1)# d" B, }& `+ ~( ^1 \: ?
;;判断是否给本turtle的评价质量做出过评价的节点
9 Z3 d0 Y% q/ X; N/ ^9 Q[set note (note + item j ([credibility]of turtle (i + 1)))( h9 H6 N, U: z+ Q1 e3 I+ i# p
;;*(exp (-(people - 2)))/(people - 2))]8 y6 j, I1 l* [, ]1 ^3 p; P" B
set k (k + 1)9 e9 [$ H- ]5 V/ }& W3 c; V' R
]: [/ e. j2 s+ c3 K4 D
set j (j + 1)8 \4 B' @ ?: j' ^
]# j H! i; w3 }, _1 D1 K# ?/ h: i
set note (note *(exp (- (1 / k)))/ k)
2 ]4 j- g3 S) y6 e F9 Kset credibility-list (replace-item i credibility-list note)$ k9 t1 H3 Y. P8 u0 {( D, N
set i (i + 1)
7 V/ w: l# z! u+ O]
3 X# W+ W% F5 r3 a8 Qend
, `, t3 h- o, ~
* r( s1 g5 Y4 Q7 }$ @to update-global-reputation-list$ O0 b, |1 m) S* b- y
let j 02 W" V$ I+ Z6 ~* B/ R3 a" N
while[j < people]2 t" B' @5 r$ u, k: F& R& U
[
* U2 Y% C1 f5 l' Z# alet new 0' ?3 K) @) Y" r* O
;;暂存新的一个全局声誉3 W& `4 f8 |- D: s2 g4 s+ K
let i 0
0 m& d* ?# s4 B' mlet sum-money 0
0 S" U) E& n) w- I5 plet credibility-money 00 h9 b- _- D% t+ C, F! e3 @9 e
while [i < people]1 T5 S% r; w3 O% w% Y
[7 |: W" C, c# A
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))+ S$ ?) a( A$ ^/ j, }/ A
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))" X5 R2 c4 x% r. |2 j# X" s3 L, f
set i (i + 1)( k+ J+ e. l1 U h& Y' I4 x2 R
]
0 z0 i4 _: X- L% S1 Clet k 0/ Y- Z W, i% ?) E+ c9 [+ B
let new1 0
4 @# j1 `- P0 x+ U! ?while [k < people]- n# J# e, J# `, V% L. b' \
[* @# |+ ~; G. y( b7 u9 M% Y
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)" V7 E) x% A3 F5 i( t+ y
set k (k + 1)0 g' b% ~2 L! `9 k: q! Q
]( l7 n1 U' q- w) p z! q6 ?
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
* h; B4 k& U, m$ a) sset global-reputation-list (replace-item j global-reputation-list new)
/ T( i2 J+ P; f9 K6 `% {, M3 R, l/ hset j (j + 1)7 U$ X. G; U3 X4 n8 S% D2 S
]
2 U" t) R6 v: T* x+ l7 e7 N: cend9 f; j6 M$ G. L. y/ B
7 |: }$ m0 x- C& B5 K9 q
! X1 i% r X: z7 I; K$ \& F6 }! J1 U2 G# `$ }# i
to get-color3 S, s& B B# C- O1 j7 t
( N Z: A; W+ lset color blue
/ Q, ?- v _0 D3 y( ?' vend) v" ]# {. n/ _8 h& [! U
6 k" C- X- h5 A; ?: T5 d) D5 {* {to poll-class2 Z1 [4 J! ]! Y: V
end
: Y( \, T& G6 p6 C% Y, T' q& ^' i( K) V+ ]4 e4 o5 [
to setup-plot1
* }) S; C/ e9 x0 G7 R1 x
/ a% ], B; F. ~% O( j1 \set-current-plot "Trends-of-Local-reputation"2 x; `2 Z1 Y, o; P+ [2 o
2 [! s. B! Y/ r; j
set-plot-x-range 0 xmax4 h( P* t: F5 j9 v9 a
e/ [7 [0 {- z7 b, |5 o5 B
set-plot-y-range 0.0 ymax
3 F" G4 W! W% t- t2 ^+ p5 Jend
$ L+ ?& C' D1 C
9 Q+ E* c1 E2 D# N( @4 yto setup-plot2
! b1 \$ I8 [# L9 _* P: |' T3 Y. R. R$ {) |+ F V" M7 v
set-current-plot "Trends-of-global-reputation"
: c- h* S3 i" g) J5 H) [+ e. m
3 e' j& ?' Y6 }5 F: ^7 H1 `8 Tset-plot-x-range 0 xmax W" c% Q1 m& [! I8 y
) Q/ W. }* B( C# }3 }
set-plot-y-range 0.0 ymax: R, n+ m. D9 B3 W1 n, a
end
* ^- J" L5 Q& q# E
$ P! C0 r1 C7 B4 Z: E* X! @to setup-plot3
2 R; v$ k/ P, a0 K# }5 r3 ~+ ^# q: h5 w. ^
set-current-plot "Trends-of-credibility"! p" O% h8 c c* _; B
0 o2 ]; x& ~2 L L b
set-plot-x-range 0 xmax8 M$ A4 P$ I$ H
5 G- ]7 \$ G# jset-plot-y-range 0.0 ymax
8 V1 [9 T3 Y3 t% l7 Q8 t" }4 vend
$ |3 S: ^2 ]2 z0 _! M( L" D# j1 X8 C) a$ t: F& C- X; x" m6 Z( y
to do-plots" C% ?( Z$ v# Z* l) C) ^
set-current-plot "Trends-of-Local-reputation"& |7 i7 x4 |, T% ]; Z3 Q$ ]: L
set-current-plot-pen "Honest service"
5 Z7 g" O; M$ u6 B- S6 Rend3 f% F, A: k; z6 C
" B7 v6 u- {, l
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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