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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9 p. U% W V( b* O9 c! a
globals[
- ~* O8 b; ^$ A0 W& m0 }xmax
0 x; \! A: m2 E& ^ymax0 s& @4 F( ]: ~- w9 |
global-reputation-list$ q: j" d. d1 a/ k) Q4 h
3 b% `' L0 ~. g% M7 J2 r) t;;每一个turtle的全局声誉都存在此LIST中
* y3 z8 s' j9 K' t4 Xcredibility-list
1 m$ c6 |* j. ?0 e- B# \# n1 J;;每一个turtle的评价可信度+ B; V+ m. D- x9 C4 [1 |
honest-service5 \$ Y6 R7 a4 T1 g
unhonest-service) H2 E" {+ `0 B" q# e% F
oscillation
5 r$ i9 K" C+ w0 k, y( W$ Q8 mrand-dynamic+ ?& d( D, G1 R4 g; n, T s' m
]
1 P2 f- K: `1 x% D1 e6 B6 ]" w, {# F+ G
turtles-own[
2 M& U6 {6 c9 }& ftrade-record-all
" z4 W* `: B% }) I;;a list of lists,由trade-record-one组成
3 G, M4 K% S% @2 Y; N: M& M: Htrade-record-one
% C9 h8 z; z! x% c5 J;;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 N* {5 G$ f: C
+ Q' w& A- f; D, [( Q;;[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]]+ d* C9 b; f9 d. |3 [* G7 N; C1 [
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]
" Z8 D. v+ o1 K. k& e$ O0 zcredibility-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
2 q& C1 Z: h% P6 E1 o$ a1 \& K/ u. qneighbor-total- b7 y& L' }3 b% P/ J7 h
;;记录该turtle的邻居节点的数目
1 L: n, @, a, J1 P9 G- rtrade-time
1 X9 U' o8 \: R/ M2 r0 b m;;当前发生交易的turtle的交易时间5 h7 }( `; N- ^, |: L$ u7 L0 {
appraise-give
. h; K3 @, p- A7 |/ B d;;当前发生交易时给出的评价4 [& V/ s; a- A% c
appraise-receive
/ [, t5 a, L: D: E4 z/ K+ Y5 t3 l;;当前发生交易时收到的评价
" v7 |# ?* ^' t0 f3 c+ u0 f6 z# Jappraise-time
) y& Q+ w2 W% b) d: [4 h;;当前发生交易时的评价时间) {4 o. R& `3 k l( R. f/ K7 Z5 T
local-reputation-now;;此次交易后相对于对方turtle的局部声誉 t# N% V, R/ {9 b/ w- B9 ?
trade-times-total- V" ?6 G. M+ P4 B9 v+ b0 R* [# x
;;与当前turtle的交易总次数6 l* t2 ?/ T' N4 ]) ^
trade-money-total
& S8 C4 {" d, I5 ~$ D0 ~2 j% g;;与当前turtle的交易总金额0 Z1 Q( b% A6 o$ g: v
local-reputation6 T8 c; ]# ?: F5 a
global-reputation
9 x G) u0 S7 [- R( z( [+ _6 ncredibility4 W# r( z6 d5 W$ O4 Z& C0 p7 G+ w
;;评价可信度,每次交易后都需要更新5 z3 y6 [ G* E3 x" G
credibility-all+ h! P% l3 v& U' A. v
;;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
" d+ X; P2 l, z% J) B6 m* m& X% f! J7 p, ^
;;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 [& P! v* @' {( H5 {& E
credibility-one
& H( Z6 i; j! i) H% S;;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
- F7 F% I- E# r/ G4 a! y: D! fglobal-proportion
2 e+ D y/ G1 z" L' lcustomer
1 o0 h* y: j! b! Jcustomer-no% m8 W3 [: D U
trust-ok1 ?% P5 o% D2 U! Q
trade-record-one-len;;trade-record-one的长度
. G4 b# W4 t a, Y, p# g2 |' R6 D]* f1 _ H$ q% F' a
3 g; R9 u+ v) V& n6 E3 Y+ g: k
;;setup procedure0 t" d5 R7 \$ X" z
2 A0 S9 G/ g! V4 Z1 {to setup
* r7 X1 d' a7 M3 g9 g, d0 v
4 k t1 z. Z: j9 Aca4 ` Z! ^4 s0 D: M2 e" x. l
6 ^! r* y* p) i
initialize-settings
, |. S; ?6 O O8 ]2 O8 m; {- {: f; |" \: A7 `% ^* D
crt people [setup-turtles]
8 z8 N- C1 [$ |8 ~
) g3 e* j* K/ M0 ]8 o) ^- @reset-timer7 @2 f# @. v0 D2 B/ P$ o1 h
* A$ `5 \) ^1 E- R* u/ K. C7 X
poll-class
# S" j6 i& s( F+ G7 K! ?* o! h! D$ K ^& K9 z' B% ~! w. h
setup-plots
6 W) Z: k+ U2 a! W4 ?, _3 `
0 d0 F- }6 K1 w& `3 K3 y( v( {3 wdo-plots1 \9 m" a$ [& D7 \
end6 k% [9 C' K) F# Y0 d, e
7 N9 a1 J5 n$ U* W+ U! Yto initialize-settings8 J8 ?/ r( `, u9 i" y7 M( @0 Q
4 q, p$ h5 f7 F: {1 \" O5 r. Y
set global-reputation-list []( [9 v( d' T2 |9 p6 r5 U- r
4 V% s- N6 f& H q$ kset credibility-list n-values people [0.5]
% v8 Z S; z- L0 c: v* X
8 N/ } s" @1 _4 L# {3 i3 Zset honest-service 0
& [4 y6 O2 ~3 k+ t1 r( p( n6 H' q/ V8 W& H7 b# J* h& J9 v
set unhonest-service 0
1 M! \0 Y) `. B# ^5 {
8 {2 ~$ s, t4 A7 i8 Q# Dset oscillation 0
( t0 N. B3 _: N. d+ h
, w4 P1 G# o5 W8 b Iset rand-dynamic 0
% M2 `) A: U3 D" p% Xend
: b) V7 D* |5 v# q6 m$ n
, r7 T- O6 t9 V2 w2 W5 p6 Zto setup-turtles
) F: T0 C; S: \( Y. Dset shape "person"
# @- X3 l5 F% t* Q- J; p* ~. }) | bsetxy random-xcor random-ycor. E6 W+ w( @4 L4 k$ l v
set trade-record-one []; N1 m9 U) A( W0 n( m
% g" T& t5 L$ F" b% _3 |/ Z% p. C
set trade-record-all n-values people [(list (? + 1) 0 0)]
" X; t% p9 L+ e1 ? l$ m5 U4 s# Y* N9 E5 w% V7 s9 U
set trade-record-current []
4 P. S0 x& U& }0 Z3 Vset credibility-receive []
+ k# q$ k ]# p. G' S% z- Qset local-reputation 0.5& o* t+ w" r4 r/ ^4 K
set neighbor-total 02 [0 h# T9 b3 g2 ^4 U0 G- y4 o( E
set trade-times-total 0
# L' O- [, C' wset trade-money-total 0
, }; g+ T8 E1 ?" k9 D& dset customer nobody
# z2 }! _3 { ~8 ~set credibility-all n-values people [creat-credibility]" s0 @3 y9 U, Z7 c/ B
set credibility n-values people [-1]
. I7 u+ d+ T9 {) q" Wget-color
. F( l; `" ?( e, _
: J$ C9 B. x% ?# j4 I7 C& Hend
e+ G X8 N. Y& {3 @3 ?
4 n9 L. p% V# R) l$ O u: tto-report creat-credibility" J3 m9 ^3 V3 C, v5 F. k# W
report n-values people [0.5]
( F7 H2 D' Q# W& O) O* {end4 e6 W7 j/ ^0 v, @, d
( y4 e3 c* S; Z/ Rto setup-plots
4 B$ s! h. ?0 Q4 X! c$ n3 v! T5 X+ a: W) `. x
set xmax 30
; z2 a7 N2 @$ m7 C$ ~' M# s4 \# A, T
set ymax 1.0/ z/ u( \; s3 b* t) e9 R" ?. T
, S1 [, h/ @# q. ~
clear-all-plots
9 L3 F o; h$ \* E& E, m' a8 k
9 t& X9 p( f, hsetup-plot1
. U+ ?7 {$ w' k( v
) i$ P F0 ]* I a+ g5 S) |- nsetup-plot2' n$ f: O2 K# P7 e
" s7 }0 G" L8 t
setup-plot3, \; q! [# y* U# j
end7 F" D) w5 d' S8 ^$ o
b, ~" n$ w8 g* }+ K- V9 Q
;;run time procedures
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, G) y+ t# l; C! u& |to go
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ask turtles [do-business]6 c; P! b8 K$ J
end5 M* T. S0 q+ }8 \# T
/ n) R# u4 x8 i4 N( p$ {
to do-business : j' c$ {. Y; Q, B9 S
# n+ L# [# |: x, T/ z. P& ]% {8 @9 z' X6 M+ m6 _2 W5 \6 _
rt random 360
1 g3 U1 d0 s1 Q) m" R, j+ {- y/ W) u1 ^( _( f4 A$ U0 D9 Q- L
fd 1
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* S2 f4 L ~+ y& O* Q n3 b H# Bifelse(other turtles-here != nobody)[
$ y1 r" \& b$ |
4 b1 R: J* Q; ?. pset customer one-of other turtles-here' ~' x3 G7 a6 h- f8 W4 t
5 ]- S8 y6 z: R$ ]7 J' f;; set [customer] of customer myself
) l- @' Q) |! L
9 t5 B5 |; k% O1 M. Tset [trade-record-one] of self item (([who] of customer) - 1)0 J0 d; U4 [! r |0 H$ m. G O0 d
[trade-record-all]of self# a- Z! ^" B" b, [# W5 ^: Q
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self0 Y' Q" d. n) y& T# }2 J+ o
) y/ G0 X& K" l$ ?# nset [trade-record-one] of customer item (([who] of self) - 1)
C5 W! W- m9 Y* p e X, H F1 q[trade-record-all]of customer
" H% T# t& D N( |0 @# D& I& D/ c% L u1 U
set [trade-record-one-len] of self length [trade-record-one] of self7 G! G8 R4 G5 L/ G9 l& E0 P
- N c: i O# e3 [
set trade-record-current( list (timer) (random money-upper-limit))0 D6 U: K* Q; }8 @ M2 R
9 u9 Z/ [: t' Z$ t% s, R
ask self [do-trust]
" N0 S5 b, v- U% E1 \; I; B6 R;;先求i对j的信任度! i$ G+ B( ?$ l9 n' c+ X* w
* K. F) o4 s9 }4 ~ A
if ([trust-ok] of self)
$ s1 r& M# t8 B! b;;根据i对j的信任度来决定是否与j进行交易[( b3 \. X( C# C" c/ B1 n
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself: c% o7 l- W( T( v# f
# o+ A, Z4 O6 H1 [8 [[
) z' M z2 G2 h" x) O- O# |4 `; ~+ U4 V) n. U( G8 L
do-trade% i/ T% A3 ^2 O. W
$ s! ^* U& E% i
update-credibility-ijl
4 i" K# j3 m/ G. N, f5 z8 ~( s' z9 r( g- ?( h0 E- {
update-credibility-list
( M& D. M6 F. P: o) q
: Z! {% E% l% |4 r4 @( V$ O7 P7 x
update-global-reputation-list+ E: a, I2 x9 ~, p6 | M L" K$ k
$ X Q' Q% B6 }" Lpoll-class$ b$ t$ t$ p8 l- K3 y$ [( b6 X
7 H- b! B8 h2 Q: r6 b* T0 vget-color. H9 D( v q. t$ H
. h6 m% p$ J+ S
]]
6 ]2 u W! i7 Y: ^; ^9 z5 b
+ `. |; y+ P8 {: R# l;;如果所得的信任度满足条件,则进行交易
* ]8 O) T! q- H% N; Z0 p5 j% O9 H+ P; S8 W6 S" w7 g
[
( {3 a& F/ C& Z/ d7 {( S& P6 K3 j
rt random 360) r7 ?- {8 `7 ~( K8 @; A+ D
0 j* z* _( V- ?: W: K1 n( dfd 14 _4 c- h3 o3 o# n; V
) `4 r6 {, H0 ~# T# R4 m9 h3 i]1 q! x- I8 D: o3 b0 @% f
) r7 V7 X, B4 Vend
* e* I( A" H, V; \- l5 m
# I, r6 n8 E* B4 F. Oto do-trust " p( i4 X) _+ T$ e7 ?. |" Z# H
set trust-ok False% o* j8 F' l. F; |! B# g- h5 _0 f
/ Y( Z% Z: _1 m7 x
4 G$ P: b2 k4 h. [: g% K. X3 Q2 Clet max-trade-times 0
& {, T4 R& A. D: nforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
+ Z7 u5 G n/ z( v7 C% M/ vlet max-trade-money 01 a; n h& G5 _0 {( ]3 U
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
! e) p n* c" B& a8 mlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
8 ]# m) [/ x3 J. C( S" C1 p/ w- c+ j1 B% }1 K1 r+ x
# _' L3 Z4 }7 R# Z; C, O! T) A
get-global-proportion
- d( ~# s3 t6 o, x7 t+ U: Z; \4 c) elet trust-value
6 ^6 z( R/ p* M* @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)
% E4 }% X6 f) b# Iif(trust-value > trade-trust-value)" `2 t, h7 }8 v- ~! N8 H* p8 z
[set trust-ok true]
. `& Z$ f/ E$ Z, ^" T# s C! Qend/ a/ j) V, g% R' a9 [& P$ g3 ]
/ W( a0 p: G! _
to get-global-proportion% T' \4 o9 X I
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)3 R1 f/ H9 `1 w
[set global-proportion 0]
" h/ d. Z; m9 z+ |3 ]: V[let i 0
$ \- _1 k5 W$ v( }let sum-money 0. a& t9 s0 E; ^6 ?
while[ i < people]" _- t I! y, x
[9 m u. z: E8 @
if( length (item i
$ i6 e% [/ {! q" C7 B' ^% K[trade-record-all] of customer) > 3 )
2 p# y3 ]0 K7 f6 ?" R0 G, i v[
6 H' i7 r2 D9 D, j b+ p( Hset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
2 K' @( f/ }9 {7 C]
) ]; n* ~ W0 v]# H7 x! U4 @$ B5 }5 \
let j 0
& V, r, R+ ]0 f* W, _3 x( g; tlet note 0: v# Z, R7 _' U% @
while[ j < people]
' H1 a; U3 f+ f: b[( E" E4 t2 h; p/ ~7 W
if( length (item i
9 _" ~8 ~" j P* b[trade-record-all] of customer) > 3 )
' F2 m; n9 E Z0 B# z, n[/ z3 n% G( w# o- }' p3 f! ~4 {
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
& Q# g1 s4 R6 f% [* e3 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)]$ b5 x; L# p7 j! E
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
. q, S% }. Q% C! G1 T]1 {) o3 D% W1 y$ J) m! M
]& y& S& C1 `9 S9 S- D A" s- C
set global-proportion note
" n* ]+ Y4 f- c]
- p+ \! Q, n9 U, Bend& N O' U# H8 F7 a" ~
2 e6 t, ~8 Y' \! s; ~! |" {
to do-trade4 d# C5 k m- W9 C1 A( c" j
;;这个过程实际上是给双方作出评价的过程
3 f- r2 e+ K6 Y [& [ v* o, kset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价6 P. O* X+ Y b7 W, M
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
* h: P9 u( L; \0 p7 J7 [9 `$ rset trade-record-current lput(timer) trade-record-current8 i" o9 z% @! }# J3 d" @
;;评价时间+ R" A, r, N) F! B+ ~
ask myself [, v- _! R# U2 h% i: G5 u5 F) v
update-local-reputation- N: F9 N2 D: l+ u
set trade-record-current lput([local-reputation] of myself) trade-record-current
0 H, W# Q8 Q. Z3 H* A W0 `]
9 p2 p% h/ |- l6 v' }set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
) R1 I7 Z5 V4 C: W" e. u( p( E;;将此次交易的记录加入到trade-record-one中
' e9 H) D+ K# Z. M! f3 ?( U+ ~/ oset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)# P. ^' D# a8 r
let note (item 2 trade-record-current )
7 R) w9 h: V7 i3 C+ K7 dset trade-record-current
1 o1 P% d% X4 F' I3 O" N7 B(replace-item 2 trade-record-current (item 3 trade-record-current))* G2 H9 ]& a5 g2 }
set trade-record-current0 A" p" ?0 J7 t h8 g8 b
(replace-item 3 trade-record-current note)
# j) k9 P9 e+ Q% e& f& a; P. e t- O# P; W. |" b; ]+ S
; D) y+ ^& |5 U1 [+ l1 |ask customer [
) ?! J$ e# H; nupdate-local-reputation+ s, K0 N% F+ X2 w
set trade-record-current
' j, U9 c5 H2 d(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) $ n# m$ Q% V( r- z1 C! q. {8 ]' A2 ~
]
+ M1 G0 \( X6 H. W+ v# m
: f, h0 \: k' L' |8 N$ T* t4 Z/ h: Q3 i% p. G! Y& d
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer5 r; F/ Q" w- L: u+ w
% I6 T- F# g4 x, t" E8 L: k
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
* o2 A( z% O1 h* j' L5 c9 B;;将此次交易的记录加入到customer的trade-record-all中
/ _ ~. b1 P) S4 W4 Q2 `8 ~+ qend% s5 u% |6 @( |
) g" G; B2 ` J* w; L6 ~
to update-local-reputation
T; F5 H9 F$ |6 C6 S, k% N# sset [trade-record-one-len] of myself length [trade-record-one] of myself }1 a7 a; l- |( { W
6 x! F* M a6 s- Q- d/ J1 Y- j- o) w) \6 D, \' p$ B
;;if [trade-record-one-len] of myself > 3 # {. s/ \ w" [2 X( w
update-neighbor-total; I5 L" u) q( {" L1 x
;;更新邻居节点的数目,在此进行
5 z; t; h! J0 q9 p& Rlet i 3
! u" s; w R0 E6 ]1 m ]* s) Q- p Mlet sum-time 0
3 w) H, _' N" t* P: S3 }! ?while[i < [trade-record-one-len] of myself]
% b. V: \4 f3 F+ C7 l[) {3 Y- {! z% ^, z- P, S( X3 F
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )2 P- s9 q& Q6 r
set i
; r% B& a, w2 ^, Y( i + 1)
& ^ a* @) k8 s]: g2 y) r2 B% R' x7 H
let j 3- E1 W; A* q7 o. H+ k6 _7 T7 ]
let sum-money 0
( n6 z5 ?2 T% ~while[j < [trade-record-one-len] of myself]0 `5 u/ x/ F5 P4 R& M) N
[
( ~2 `, g* a+ Vset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)" G' F, ]" o5 Z& w. M( v
set j6 Q* u7 c& V" i( U
( j + 1)0 N% ^* [/ c2 ?
]
D1 R5 `8 m2 o& y- Mlet k 31 P j" O- M! W! W3 V
let power 0+ Y5 \3 G7 i6 {
let local 0/ `: z+ U2 W+ ?( a. T! Q
while [k <[trade-record-one-len] of myself]9 G/ l' Y5 k3 y# Q2 W& Q: G
[) T. z& n: p0 [/ o5 `, Q
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 t3 z% f6 H7 @" b% fset k (k + 1)
5 {5 y+ z* Z, [6 W' I]
3 P: T( g5 H" [- Kset [local-reputation] of myself (local)1 {/ N& E4 b% {" f3 E4 d: v
end4 q& X4 m, Y4 x2 D' Z
4 w: t9 `& V j( N, c& }
to update-neighbor-total
0 B' E9 C/ w! g; V5 D& j- U$ w" p! X- V/ u0 V# ^
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]% Q/ E( G; b0 @
6 D" z7 e' T' c3 m, v Y' O1 Y
6 s2 i" {; n4 V3 s; `' C" g" \: D# dend2 o. q. Z" C8 H2 W7 Y8 D
( t' s4 R$ D, l" K1 s Kto update-credibility-ijl
1 j* n. r% h+ ]2 K% y' H; v- Q
;;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。
/ o4 Y( V( L7 |6 a7 o, olet l 0& J" i2 e9 y! |6 i. X" @, E
while[ l < people ]/ @: O H% o8 E( ?% N
;;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
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* l7 N( T x7 p9 f( x2 s b" Hlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)9 B: ^7 M; t6 n- w# N2 u9 Q& N
if (trade-record-one-j-l-len > 3)! g: E4 j' }, V/ ]' f2 X* k
[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-one4 `6 _ m- r) M. |) v4 b
let i 3: \ L, M% h4 ~+ X9 t6 j
let sum-time 0- k& S2 }" Q. l- T6 _
while[i < trade-record-one-len] \1 A7 k& m: Y( S
[
2 _8 i2 k S! P) L7 ^' j- h8 e; vset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )3 K/ k# E N |8 {1 q
set i
6 Y% v7 k+ d# T/ Q U; K) y( i + 1)! |5 X3 K3 M& R, x( i
]
3 t- {1 `: ]2 \+ e$ Flet credibility-i-j-l 0
8 B+ L3 S3 h' D& d- Q9 y6 I4 q1 y3 h;;i评价(j对jl的评价)% R1 d/ Q C& Z" ^* _8 N
let j 3/ f( \/ t& H, C% i' F2 F, Q
let k 42 w# E0 P- J7 z8 p# b& }
while[j < trade-record-one-len]1 x7 C6 g; S3 j$ ^6 r9 i
[/ B7 B/ {/ W) _/ L# 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
, Z1 I' r5 }* x3 A5 qset 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)
; a# q" r. L: |- |- w3 K# Qset j( K! e) f* j: I7 B
( j + 1)$ c1 z/ K& q! _# {: b
]
+ Q, h0 g9 ]6 Q- U$ gset [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 ))
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2 H( N e' \4 X! Z* C3 [6 J# ]let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
6 P/ {/ X/ B4 l: ^;;及时更新i对l的评价质量的评价$ Y, ? K2 z9 m8 T: F5 i- @4 b1 U* s
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]! t! M) A0 Z* T I
set l (l + 1)- [+ Q$ ]4 @2 i% @ v2 m! x0 a; `
]
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6 }% g6 C3 n! i4 x
to update-credibility-list4 }! E7 |9 `( b/ Y: O4 e9 Z. `* z
let i 0
7 e# @+ L/ p# G6 qwhile[i < people]9 g; i; i0 y# ?
[+ z7 z( ]* N7 }
let j 0
1 t* d. d! t/ ulet note 0
9 `4 u4 F' M J9 u8 nlet k 0
$ T: L( n: U' g6 h9 o;;计作出过评价的邻居节点的数目
' k1 M7 h8 k5 x; |while[j < people]
8 M8 s' z- V( l7 M+ w[
% [- m, ], H, k0 |& E+ \% Kif (item j( [credibility] of turtle (i + 1)) != -1) |$ R; ` z. w9 O" V+ g' a1 ~
;;判断是否给本turtle的评价质量做出过评价的节点# c! O8 b6 {: K# P6 h, |
[set note (note + item j ([credibility]of turtle (i + 1)))
4 C% V3 g" m* s# ]7 R/ r" J;;*(exp (-(people - 2)))/(people - 2))]
1 p" m9 p6 q) p4 c. Rset k (k + 1)* U6 O2 u* N6 k3 e4 J7 U5 A& F% L
]' ~0 \! z5 w5 ?1 b. i
set j (j + 1)
( _2 U7 B& H+ o: P' i]
/ V# I3 t, z. ]7 E9 fset note (note *(exp (- (1 / k)))/ k)+ j, Z+ c8 O- q0 ^, h% X3 J
set credibility-list (replace-item i credibility-list note)
6 h# i1 {0 X4 e; K7 ^! y. ?6 ?set i (i + 1)
( Q9 r6 P/ R; X4 W]/ N+ H, W' C$ g( x [
end
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0 @% {- D; v& N- o% hto update-global-reputation-list" r1 X. K+ k8 U
let j 03 E$ m! ]. F1 l( F4 x
while[j < people]3 ?, D2 g- E! E
[2 @: D( u' ]* F2 R) Y
let new 0
* G- U% P& b5 N( E( \& w9 y0 g;;暂存新的一个全局声誉
; j# h5 v( o: [6 p6 o7 k1 ylet i 0
0 h4 Q0 {( i D( m+ G3 {- Dlet sum-money 06 V' D2 Q- F" t2 x3 ]# W5 ~
let credibility-money 0
+ @/ s: L5 l& |' v* Nwhile [i < people]
# i, G5 F+ v9 w+ ` |. I[ O- e( f) F) t3 i* j
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
7 n; h' R: w2 S: Lset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
7 c* L& ]) V% O, f: hset i (i + 1)
) H5 H" u3 t' A' ^]
2 M b, N$ d9 k! ?% Y4 k, [let k 0
3 T* J+ U5 n) E# ?3 f! M, i3 Mlet new1 0
4 _! P! Y. |2 s+ fwhile [k < people]
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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)8 q, ~2 ~* M4 R6 ]/ N9 o
set k (k + 1)
; A* i5 H. Y8 S* a+ n$ x3 O4 P]- R% ], |; J& |
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
' g5 j2 n) O: K" i5 S9 Kset global-reputation-list (replace-item j global-reputation-list new)
+ e# u- ]! \2 N3 {2 `% Xset j (j + 1)
/ D+ Y! d Q) B0 a; C% ~]7 ~1 c/ B5 Y: \* @. p/ p7 T9 r
end
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to get-color: e' N3 u- [" l0 Y3 x3 a$ N
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set color blue
/ @8 Q: [# R1 `# S N* Gend
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to poll-class
+ I# ^+ U q9 `! l$ Lend
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# W: [0 Z' W: [to setup-plot1
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9 `. T4 f7 D( d0 j3 E/ ]; t; c* |set-current-plot "Trends-of-Local-reputation"
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6 n1 c& H% W2 D4 I. Eset-plot-x-range 0 xmax
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set-plot-y-range 0.0 ymax
* F7 y4 @5 i' |end
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% I* r4 J4 q2 S4 m7 T6 [7 {! ]to setup-plot26 l; r* H( N2 }/ t$ G! |% }
1 r5 p, M! A5 g0 dset-current-plot "Trends-of-global-reputation"! z* Y1 W5 c4 R+ B: f
1 j. G% e* C3 L% I7 z( Y7 oset-plot-x-range 0 xmax" ~" W3 E; Z' D; D: y9 `, D
. g& P9 s# d; D- `+ N& ~6 n% jset-plot-y-range 0.0 ymax) e8 p. {7 @0 c( k a5 g: Q
end
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to setup-plot33 _) J, U7 Z; u' x. J7 O+ s h
4 l* Y N- K6 V$ v! w) v
set-current-plot "Trends-of-credibility"8 {+ ^ A; H8 T$ k+ B
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set-plot-x-range 0 xmax2 m0 M& U; _9 s6 Q. c
% T+ \$ x, u1 p- h1 y: Dset-plot-y-range 0.0 ymax9 O4 | i* T' I0 q) Q4 m
end. ^. r7 g9 d' ~# r2 a+ T
' E6 l5 G8 g1 z3 P8 ^
to do-plots
+ W: x1 k) g4 i& H9 ~) \# N! Oset-current-plot "Trends-of-Local-reputation"4 [- r) C2 Q, z+ S
set-current-plot-pen "Honest service"6 m2 S' U8 B X$ ~0 ?
end
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9 o7 c) M6 g: o[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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