|
|

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
3 U( k; F; S, B! j. Jglobals[
" P3 z4 ?) Y/ a$ b7 S0 dxmax
+ B" ^' U( V/ @2 Eymax+ S7 c l1 q# t
global-reputation-list
/ x# V, a% f0 {4 E. u
+ ~+ p2 e' a/ c: z3 @;;每一个turtle的全局声誉都存在此LIST中( D2 B! W" O7 U
credibility-list i( h3 s3 R9 W" }7 V
;;每一个turtle的评价可信度
& o) i4 u2 ~' c* g9 ]1 N; Fhonest-service* S$ X* P5 _9 y. _/ e
unhonest-service4 G t4 l' x1 o7 D0 z
oscillation% i# |! n; ~( P& c3 N
rand-dynamic) @5 t) W9 E) v! {$ U
]0 H6 m8 ^9 {4 b8 c
$ v2 i# i% |6 k" r$ F- X- ?9 m; kturtles-own[' L" m" l4 p2 S1 ?3 L/ S o" ]
trade-record-all
+ o1 L% D) {& t+ e1 d' b+ I;;a list of lists,由trade-record-one组成7 c0 B& f& _7 p4 m* P/ [
trade-record-one
9 p2 [' X4 v' H" s;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
; B3 w5 P" g5 O0 U6 B
3 z2 C" O/ T8 |$ f/ B. x/ ?;;[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]]
$ z {/ |9 L& O7 k; Ctrade-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]
2 {; [( X. C. U% O! [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
9 B/ N3 ?$ h1 E2 X- ~neighbor-total' |/ s9 U. [8 `) S2 H- K3 C8 g
;;记录该turtle的邻居节点的数目- y8 J! Y* R( b, ~/ @+ g( L( u, R
trade-time; |! h7 \+ o+ A* b r; b h
;;当前发生交易的turtle的交易时间 ]' B3 n9 l' N/ F' J
appraise-give9 n& X" k# T* g. X7 y; B
;;当前发生交易时给出的评价
( M- n/ \+ |# v7 W O7 Y' ^appraise-receive
- T1 o- T$ c/ d: U3 X+ C! r;;当前发生交易时收到的评价
( J p' ~, p+ G( z7 m+ X9 _+ iappraise-time
0 \+ B5 e1 |# v6 @' @. U# J;;当前发生交易时的评价时间
0 [3 l; d1 {2 f. \+ s& O. z- Mlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉+ c" F1 O# ?/ f# A
trade-times-total5 l4 ^* g7 I1 r/ \. Y; @
;;与当前turtle的交易总次数
$ ^" v1 S" k8 strade-money-total
- |7 u: R- p& ~) {; i% i;;与当前turtle的交易总金额
- X }: w, }8 Ulocal-reputation F/ S: a$ F4 K( ]2 D
global-reputation
# E) A+ S/ v0 o, C# Tcredibility
: Q2 U& ?5 J$ N6 Q;;评价可信度,每次交易后都需要更新/ c& ^) U- N# T% x3 {: O' i$ J; d
credibility-all
( m9 I& p* b: C W;;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! c! J1 ~1 N S, |% T% o6 @4 n
1 @* ?1 `$ Z5 c, r9 A6 o. 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
+ ?% i9 B/ q: F8 B8 P1 e0 z* _" }. bcredibility-one9 q- @9 }5 J6 w( ~
;;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% ?' c$ t! f$ y- R U: h6 ^6 ?
global-proportion
' y7 {; W, M8 l s6 c5 {/ Gcustomer5 f/ E. l8 f8 o$ d( U& P$ m
customer-no
) ^! W0 W' c* e: G4 ]trust-ok
$ K) H, E% s5 [$ X2 j( btrade-record-one-len;;trade-record-one的长度
0 I% p5 }! j; n6 F& N8 X) a]
K. C" m- k6 g) s6 ~( o% x: ~! }
;;setup procedure
% a: j5 g& D7 M* m. t9 d; _& c* G4 k" d
to setup$ ^' l* l$ p4 q5 _! k3 L
) d& r M& j5 Z: g C/ Eca" ]4 f7 l E4 ?: }) s
{2 n; j3 J/ f8 q( H3 W$ x0 E
initialize-settings+ H T* k, ~9 }# D0 `" {
3 p/ T$ d2 w; L3 w6 V1 a
crt people [setup-turtles]
0 T' M! J. m5 Z
5 D' w% G4 e5 l3 ]8 Q0 [! b1 Xreset-timer
9 X' ]7 |% |% e+ B! f0 _1 X# {7 e1 a& h. \7 J
9 F V2 D; b( r N1 K& s3 L6 Tpoll-class
9 G e* X6 {: N6 B& @
. _* u! Q( h/ }, I% bsetup-plots
& k2 L+ v3 B2 W6 ~8 _1 A% `, Z) R# P! A& t5 Z2 w' j
do-plots
' k* e I3 T5 Qend) K9 H% E7 M- L; a" X! ]* i1 M
2 H, D1 ?/ K- E! a3 F
to initialize-settings
: b' e3 j3 F& R/ @7 L
* u6 o* e1 @. I! q. vset global-reputation-list [] o4 n' q3 N) R; {: _
y: j% Y- N2 V8 U& @
set credibility-list n-values people [0.5]
+ x! O) b4 h5 n( ?1 ]) R: b- t5 O9 j5 C9 M# X; N7 p* \' U
set honest-service 0
. g( _+ l2 g5 k. ^' B, X$ J7 f5 s" p- i# U) y: d
set unhonest-service 0# A# Q9 ?# ]( e) o( e
; R9 y+ v E9 g1 {set oscillation 0+ ?( Y' A/ h w! h: u) }7 w
& i! {! P7 r) f6 s% g. _( d
set rand-dynamic 08 F, ~, a. V3 C! L% H# u" T
end
t' N# q# D' i
! B9 U/ s' d' Rto setup-turtles ! l0 z4 b$ [; |. n( w* U5 r; J! {; O
set shape "person"7 f5 n! o' X0 K
setxy random-xcor random-ycor
7 A; T; h8 e* Kset trade-record-one []6 v) O3 c7 z+ M+ J, {+ ~" F0 W
, U2 S0 o) |1 t# w u4 L' ~set trade-record-all n-values people [(list (? + 1) 0 0)]
9 k. y- R0 ~- ?" r- r. @1 _
L( A8 p* z) c' Kset trade-record-current []- g7 O4 ]+ J: j8 N4 B# `
set credibility-receive []: x. r: U5 ^! P- A- E( r% y
set local-reputation 0.5
4 Q [& h# \' f" n0 V8 C4 r/ l, Wset neighbor-total 0
' V4 X5 G' \- `0 F& sset trade-times-total 00 ]0 L8 a n8 T6 S+ H
set trade-money-total 04 i1 J8 v! }6 M' _
set customer nobody
6 i; j F. Y8 N g1 k, U# W: aset credibility-all n-values people [creat-credibility]3 N+ E6 G8 M. S: A+ @3 s
set credibility n-values people [-1]1 N+ X0 e* c6 F1 K
get-color
; _' v6 C8 {# ]# N) R& f! @6 P4 |) `1 @" M, Z: X' v4 t
end
: o& r, s ^+ [- Y7 Q9 `% G u4 W/ z( \4 I$ f# n8 \* d) i3 e& i/ B& }
to-report creat-credibility0 R4 d, @$ O8 ^" i3 s% L3 I& C
report n-values people [0.5]
, o+ X+ g1 f- t1 P" Q) iend
8 P7 h' N m! P0 k* t% y
" \- x5 ]% L' vto setup-plots* Q/ `$ r5 o2 S" K
5 C- t4 w5 `/ y) r* ]" b% w! Yset xmax 30
P0 {2 M+ i* y, w1 F- s4 F$ u. k: f
set ymax 1.0. n! _6 }0 {& p. P+ \( S) Y) D
( M& R0 k7 u$ M# m1 w5 ^' _2 c. \
clear-all-plots$ H4 @) |% k( ^; E1 e
* b. m) h4 @1 V# ?; [: jsetup-plot1
+ a1 X- y% a/ D( U; }# y3 R# ~( \
; _4 L3 _( o0 g3 {* N& t+ u6 o& dsetup-plot2
; q/ Q5 t" n/ G! h6 J) {6 U* k- i+ z7 L- H
setup-plot3
" r5 p( \+ |% d) f0 f( W9 T* E$ `0 send7 i& r# c6 y3 v
, s7 R8 [) F* |3 p& O
;;run time procedures. X/ r6 D" v, w
4 M& m+ |) E3 G; Dto go
) n0 k% N- v5 s" ?7 o& ]6 f3 v
# r* G1 A# T' v) } \ask turtles [do-business]' j$ ?: P! E/ B* x
end
/ c, Z' d- k) o! D- ]
- f/ O8 S/ {: N1 h# P- h) bto do-business
+ R* j/ W* g& ~4 o. E( u. j( _1 X+ X: |
0 b( T+ `' O& g; s/ l( Qrt random 360
2 w0 Z) ?5 @. k! s& l. N1 V5 N R+ d0 a' s, d2 ?" z2 {7 L) d
fd 11 Z: f% [1 r# K+ k# `- |
/ {+ ~' W! [# ~: g5 c: p7 H- T
ifelse(other turtles-here != nobody)[9 X' z. ~7 Q1 {/ g! o6 }
9 L6 A5 F9 B; c! a4 h( U A4 E
set customer one-of other turtles-here
p* d" G& E5 a" b! I1 Q- H* L
6 H; A5 a6 N- _( c8 s d+ f;; set [customer] of customer myself# b9 _. C4 x' i6 i& O' P( |& m
5 k7 m j5 g. c# ^. ^set [trade-record-one] of self item (([who] of customer) - 1)
i5 p# c2 N2 c! q. ~* f0 ?6 T2 U" d[trade-record-all]of self
0 d4 u8 Z# Z6 e/ W" M- ~$ {! ^: k;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
U2 ?- H: \. d* F) u9 _( Y) ^: n8 ?0 a! d+ x9 p" E
set [trade-record-one] of customer item (([who] of self) - 1)
3 @1 `! c8 N) M[trade-record-all]of customer
7 n! F Q; y) Z; k, |" r) A2 R O
set [trade-record-one-len] of self length [trade-record-one] of self# ]: f+ D5 t+ _; k
; }: D9 j2 z; T. ?# Y2 L: Dset trade-record-current( list (timer) (random money-upper-limit))
7 y/ B! a; n; B7 P7 r: L7 _% A5 D7 e$ n
ask self [do-trust]1 l1 y1 K' e: P, W d
;;先求i对j的信任度
% A( [2 b; X/ Z! i+ W- A6 O# L. {
( k+ s. {3 T2 ^. i3 zif ([trust-ok] of self)" w9 t* J$ B9 w4 S0 H- o& _/ H* W
;;根据i对j的信任度来决定是否与j进行交易[ V4 ^- J) @- g; Q9 ]
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself6 L3 t2 c- T/ F: S0 J, Q. m5 \
$ s; G* l: t Z; `& z% H& \4 F( |[
: m5 ~: T+ S. X o$ ^7 ]4 h
5 G/ I1 H( P/ P% V! D3 b5 kdo-trade, V( R0 S5 c4 T' h
9 v( ^* T/ V- u. l) o; z) Y5 w0 nupdate-credibility-ijl3 k. M0 j* p ?7 |& ?
# d- \1 w9 b2 i& O: Z' g" S- g
update-credibility-list
3 k( R; ]# V6 a4 N/ _. x
8 F. f. c* m& }5 C6 q! B! `* V% I) c' x( `+ r6 N' K: r
update-global-reputation-list* y$ ?& e4 a, g; ^
4 I0 Z% y9 D0 J* P% Epoll-class
- L+ R, k2 A7 o" A& F0 ~1 S% s2 S+ R+ _( k A% r, d/ T( B
get-color
: N9 M* ]# G( T- F7 d0 W* c7 r0 ]+ t% G+ V6 r% ~! v( h3 M! n
]]( I' w6 |. u$ C2 H8 ^7 w. b
, c5 ^: L) b O0 \; X$ P;;如果所得的信任度满足条件,则进行交易9 t) M) _+ _" |9 H/ `
: c5 j. l. t, f4 J: N[8 q3 ?2 Z* v. n/ d8 R! e, K/ n+ M
: F! I+ e% U H$ [: V" N
rt random 360" N& I0 v* C3 M, m* a/ j
; k6 G h, L) S+ l/ ?
fd 1
, P' y5 g6 P$ j$ F! @2 ~$ J9 F% r& D" f: K0 U% ~
]3 C& h6 H& \5 X; ^$ G7 V3 e5 F
8 t4 g2 Z3 A0 Tend
: F6 \: R. b# V) M: ~- W0 g( M) K, Z3 ^! [: }
to do-trust
& y4 n* Z1 B$ ~1 ]: Nset trust-ok False
* W+ F# W- B6 I2 e. v# d. e' @
9 z! e5 d* m) o5 t9 V7 v$ g) W" S; d& ~! ^7 V0 w/ P# r
let max-trade-times 0# f0 Z/ J2 U U: n1 W# N
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
" h3 B) U* r4 glet max-trade-money 0
" Y* T0 L4 H, Qforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]$ O% X- M& G8 g8 |" k5 J7 L% l
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
& }/ E0 P6 R% h7 K, @) f! O% H4 [2 z o2 ?# N' b( x, Y. C7 o) T
1 `: [# p* q5 K, Q" Uget-global-proportion
; j3 P7 \# `" W* `8 }let trust-value9 O4 N! {4 i7 _! 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)- y% n( v& ^/ d
if(trust-value > trade-trust-value)
7 y( L/ q& M; y; Z[set trust-ok true]
* a, d: p4 Q5 _$ Jend9 b, j7 L$ }! S$ z0 C/ N
: I6 I' W, D2 L/ w$ ^1 yto get-global-proportion
5 x( ^& @- ]% k, _ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)& m" T. G( ^6 I, s6 l
[set global-proportion 0]" d& o# j; ?8 E* b5 w
[let i 0
$ w5 |1 c$ V; A: ~let sum-money 04 P7 Y1 K$ q& b( i9 k
while[ i < people]. s/ B A, u) a3 E
[
5 M2 L1 R8 O6 w" C, T' ?2 q1 X, `if( length (item i
- l9 I. ]* Q" M3 n' p) r$ f7 [) p[trade-record-all] of customer) > 3 )
5 n/ [* M _# E% o! L" V9 e$ ~; _[- A0 C- p% j( H& ]
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
* l3 v8 p9 W) w6 b]
7 @- C/ L) R: `5 \9 h]
3 j' ?8 g+ Y. M8 w# {2 o3 xlet j 0
- L6 K! ]; y! y5 P, j% Wlet note 08 U1 x6 [& [2 O1 R T
while[ j < people]
, Q) [# O8 ?, S+ D* ?, h( y[
- A' Z" d: p/ D, dif( length (item i* k! D0 }( g6 c* C9 U) E2 R3 Z
[trade-record-all] of customer) > 3 )% v% z/ N* d$ p7 D, o( G/ p/ L
[8 ^. z; V: J+ A0 F
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)" S' s/ n4 [# y+ \
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]0 E3 X3 O; L( Z5 q+ W- @6 {+ {
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]+ |( u' E. ^) B: c
]! P) f1 o& a+ S6 Z, q3 y6 }+ t
]! Y4 A C) \( T- s
set global-proportion note
; v, V% ^5 \7 P4 e" H9 I6 M# c, d]& \; ]" o( @' v' `$ x" G# [; T z
end2 Q5 K) K% D- ^: V. c* k
s' z& V8 o% F$ d$ X7 d6 r
to do-trade
1 ] G ^% [$ @) w7 n( I8 {;;这个过程实际上是给双方作出评价的过程
# j# w( L0 _& }' s& T/ Z' P" |) h7 ]set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
- @# M0 `- o7 \& V6 h H, Tset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
% x8 u" ^( ]& m5 aset trade-record-current lput(timer) trade-record-current% ?+ r% w5 u& a5 J
;;评价时间
% }" {4 {2 l! z0 @$ Oask myself [
) z% h8 J3 e! M+ S: j' D3 q+ ^0 yupdate-local-reputation6 H2 l( x/ c/ C; C
set trade-record-current lput([local-reputation] of myself) trade-record-current, P- o7 ]5 E: q. V6 a1 c, H# o
]
* ?& {: r0 F5 e9 Kset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
7 A3 E' j3 c% S+ ~% ^! C;;将此次交易的记录加入到trade-record-one中
" ^5 ]* z* f& ^: r. Tset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)$ m- `- x0 d' h
let note (item 2 trade-record-current ): V, U1 W2 v, O& T( W
set trade-record-current
2 H; }5 t+ @) J(replace-item 2 trade-record-current (item 3 trade-record-current))
6 `6 n6 \+ n2 u0 Q' a: ?set trade-record-current
( @; y. [5 J# t/ F0 o: \(replace-item 3 trade-record-current note)
1 U/ r1 X; L& z- N3 ?. i7 s3 {1 ]+ E) h8 d- I$ [
& b% t" m5 w: X8 sask customer [
6 F# U4 g' @# O9 k2 V) supdate-local-reputation
3 ~; y; s9 D; j) `6 c. \: iset trade-record-current
4 \' \9 ]; x) a1 J# d(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) : R% o9 b- Z$ k
]
. K- M- h; P( x* K( g/ }$ q8 B1 Z5 `; o, r* V! y
! R. ]# h2 f9 D. s' Fset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
9 c1 Q; F8 D+ \
- \3 \) D* N& bset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))% `6 o7 @5 Y% a6 }* z$ ~+ k0 K
;;将此次交易的记录加入到customer的trade-record-all中0 K$ Q' j( T. A ]& {5 R
end
! W5 |; F; _& ~. k$ w* ~( T0 i% o5 d9 v- W% O7 n
to update-local-reputation
( Z$ P, C, G+ p0 K4 K. ]* Eset [trade-record-one-len] of myself length [trade-record-one] of myself
+ Q" H b$ |4 P8 g! G @) n- Z6 o- c! j! s: _) v* v: X$ a6 N
0 z( [' i5 |& v: w( d
;;if [trade-record-one-len] of myself > 3
U7 ^/ V% e. R/ D; }& w- Dupdate-neighbor-total
1 G/ q. {/ D' @. C+ P. s' t;;更新邻居节点的数目,在此进行1 i O1 C, I/ o0 H$ O& e: a- U
let i 35 y3 C7 q+ A# j( L! w: P7 d
let sum-time 0
% D' r: E( y9 d6 l7 awhile[i < [trade-record-one-len] of myself]
]* o/ z5 \, {- n; t* {[% Z& [) O- q, `* y2 i- Z
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
& T: h9 y4 ?; C( gset i
1 [! o! _5 T- r( i + 1)
0 f3 W1 c$ J: D: j]( b9 i" P1 e" X
let j 3
/ Z4 [( j+ ^, q* _" nlet sum-money 0/ H8 G- n7 J1 B$ N* ~% Q! w
while[j < [trade-record-one-len] of myself]
* C) S$ L4 ~$ {& B7 b2 b4 {5 p[
0 Q1 v( p" P2 u3 m# Xset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
0 c W) ?+ c- S6 `% b; y" G: oset j3 F3 H6 a4 Z: F8 I
( j + 1)+ v! A( W, E- I: ]
]
2 O; Z9 C5 Z; e% B# b4 z1 T ^) j, Dlet k 3
3 h4 m/ o8 R x: A$ A+ alet power 07 W& u# R# y7 L& [0 X
let local 0+ | }# j+ l; s" t; x* U
while [k <[trade-record-one-len] of myself]
8 a8 I) v- O) X: e5 v[
! E- a' ^3 }3 ?4 I: t. F- eset 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)
% t0 o+ [$ g% k# c2 {! } Dset k (k + 1); @( h6 n) Y, W p# T
]$ o, t' D# [" O( N/ `
set [local-reputation] of myself (local)+ w1 L5 }8 {+ y# f" F8 }
end) y4 R: h, Z+ |6 W! Q
; a: q' l" {$ R; c" qto update-neighbor-total
3 w+ `5 }( u- S6 I1 {; V. O# r1 K9 z! D+ i% l0 g, W/ G+ {$ E
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]( L! v$ a1 o3 M$ u, ?5 k) Y
% k" ^) c* E, k) a, t! ^' ?# Q
9 w2 f2 T9 B# \% F4 w0 jend
2 Q3 M0 h, `$ i( [ t' c4 I0 I9 U) x# r
. ]8 ?. [! X) Q7 K5 T& B# ?8 B# W3 Qto update-credibility-ijl
( p2 @; x5 e* ~6 b: v+ O
1 R7 o5 q! p4 K;;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。
2 I3 q) \9 J- D5 @let l 0
5 _: k3 u: P5 w& j5 Qwhile[ l < people ]
: D" Q# K) y" B; I;;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
) v( s2 C: Y# p8 j& Y+ r[
2 O) ]# q% [( }* C' N" E. ylet trade-record-one-j-l-len length item l ([trade-record-all] of customer), Z5 p, R3 r& {- N) F; S
if (trade-record-one-j-l-len > 3)
% Y. I, l4 s# W z/ M( N) \' y* X8 v: R[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- a C' Z: a; F7 R) p3 d+ |: Z
let i 3! l4 |* @% x: b! I
let sum-time 07 z8 T" A: B0 i* R
while[i < trade-record-one-len]
% w& r$ c' T: c1 E9 D[: O- { i0 Z' ^, l5 t) B* U
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
5 v- v8 s8 O1 _, ^$ Aset i) P! s+ c; i ~, R. H
( i + 1)
5 g2 q8 h; J0 C]: L( O, j8 f. d7 C9 a J
let credibility-i-j-l 0
9 X6 {8 l8 D4 K# ]) z0 \; [5 z;;i评价(j对jl的评价), E' A9 ^, L9 p
let j 3; p% a9 R3 f& B6 F0 m) j9 E) b
let k 4
4 z. e5 B- e) N' n) }, I. ]while[j < trade-record-one-len]
4 {8 F/ s- o! \[
6 m+ t" D. V8 u$ l0 S F) }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
4 a* Y5 R2 v7 N& tset 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)! t+ ~' {8 Z$ C. l$ ^5 M
set j
# V1 U* t6 o x- t' z: p( j + 1)
; D. ^3 h1 D4 ? M( ? o9 ~- e8 P]3 I! j+ w" O/ I7 D9 \; [6 }- n' }
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 ))
1 X: F! O$ D( K' S
8 ~; n' _$ F0 e( L- {
6 ?1 a3 i$ U- ? R, alet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
6 q9 E* E7 x! a2 @6 P' B! u;;及时更新i对l的评价质量的评价0 N% A6 j8 J0 B ]
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
* d9 ]' Y0 S: sset l (l + 1)
. F2 D+ F5 T$ B. t7 t- j+ Z]1 L& U4 a9 P% U- l
end
, ?/ q% h* [7 M' S2 }
* z Y" T7 K* g+ C1 s/ X: \" }, tto update-credibility-list0 @4 l9 w, X9 E8 y7 i& d- S
let i 0
8 E, h+ E: X% e7 o, ewhile[i < people]
9 H3 V$ K: `. F4 i8 a- t3 v [[: u6 v0 Q2 P6 o' j; o: j
let j 0* t* X* |) f6 ]3 w# }. K" }
let note 0( x: p4 g: D2 Z' }% ?" M3 B+ ~5 b% ]
let k 0! {* a, [" L: ^/ `% A: E( K( t: u, k
;;计作出过评价的邻居节点的数目
$ I( }7 t9 [' e+ N) C# V" @1 P/ k# |while[j < people]8 A6 ] k! X- V: Y$ p0 [) `
[
. a( S- M8 j% f. J8 _if (item j( [credibility] of turtle (i + 1)) != -1)
8 ]; T! a* ^0 L, u;;判断是否给本turtle的评价质量做出过评价的节点7 P6 `3 J# `- G
[set note (note + item j ([credibility]of turtle (i + 1))), C2 }. s( z& T& f( v) D
;;*(exp (-(people - 2)))/(people - 2))]
1 [4 C: Y7 c; H5 sset k (k + 1)* P( @% I, f7 N5 f/ X4 {6 J
] Q7 t7 D5 }5 B. r# h7 T- u
set j (j + 1)" w% z( ]/ d5 {: c0 S
]) m a* Q0 d; ~% Q
set note (note *(exp (- (1 / k)))/ k); P* Q W' ~3 K) f5 R) z) X
set credibility-list (replace-item i credibility-list note)
/ k1 H- |! K/ H6 H0 U! Mset i (i + 1)3 Z" m1 @3 O' r- R* [) \ i
]! h, o- U0 ]% ^/ \. Y
end7 H* Q/ f" D8 q+ Q. \
( Y- F( M" q2 l% x' h# {. z$ |
to update-global-reputation-list
) ^; l6 L6 s- V* u8 Slet j 0
# G+ h' B% Z7 b4 qwhile[j < people]$ B7 f6 r G- H; c* R( f. j
[2 [! d( j2 e [8 q6 O3 m
let new 0+ R/ \: K# M v, @+ u+ V: \
;;暂存新的一个全局声誉( G: [$ t5 [4 p3 m
let i 0
* Q1 f, I2 L2 i+ k- Vlet sum-money 0
+ b+ l3 N6 e: Mlet credibility-money 0
, j) r; ^( ~$ ^+ d' u% K. nwhile [i < people]. Z$ b2 d/ v% c, ^. W9 {
[
$ |+ e! n* x f, E6 G7 w- P C! Jset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))/ b- T& O6 M* V! a+ I
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
+ w# Z! W n* v3 v0 d# t* | `set i (i + 1): Z1 a; ]0 j$ Q D% `+ O+ ]
]
- J5 v1 F7 x+ K- \let k 0
# K, n0 \: p, t: p0 L) F. o2 ?let new1 0
( A K$ K6 e* A5 ywhile [k < people]
! {" |7 j% E" J4 h" w$ N$ O[8 C5 H7 f6 k. J: m) q5 f3 Z
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)
, \$ c: O! z* {8 d. L( Z Dset k (k + 1)9 q3 V/ F6 Y. _
]1 F- t( [4 l% H2 _4 n. c
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
\% ?7 T+ x: k- L$ @9 i+ ]set global-reputation-list (replace-item j global-reputation-list new)7 | B8 P! [0 |) G- O# _6 \% H6 d
set j (j + 1)
$ [- P% \2 ^2 y* [( l4 F# h6 Y]
/ V, ~6 v" K- o, G8 p1 Qend* \2 [1 k' c$ c G& e, J) D
# K! _2 w0 Z: {% b& [% i' h
* f5 B5 R+ l9 |7 C& C' S' I$ I- n
to get-color+ m7 s! X# M: j7 A' ? Y
" l+ m7 ?2 ^5 h( u/ Bset color blue+ B/ T" E# p" z8 L0 ]4 y7 z; u
end
/ k( D0 I* ]/ \' T- Y& E' t) e1 M) _8 }4 W% n9 r5 a$ @( g
to poll-class; G! s) t" T3 A- z* p
end
3 V( n: |, R) g+ ?. l0 r D
( |; c! h% z3 t- b. jto setup-plot1* X* g' m8 }! T
; j3 F7 y" Z- H$ ^! v' p
set-current-plot "Trends-of-Local-reputation"6 B; m* ]* o K
% f J g; ]. q2 O1 c: Zset-plot-x-range 0 xmax9 P+ C, C0 ]1 O/ L5 _& x1 V. m" ?. @% I
6 z7 d* `" O4 Z9 m, Q1 Gset-plot-y-range 0.0 ymax: P1 a% C! O7 s3 u/ Z+ U
end+ P' e4 V% D8 |
8 O, C7 _$ v/ H3 m' ^* U
to setup-plot2
% X: K% ^! c5 Q" E1 p) Q$ e
' k4 W2 G N5 A5 Cset-current-plot "Trends-of-global-reputation"- B. ^* S" m! o$ f: U1 j+ n9 V
, c9 q' W- \: q4 h
set-plot-x-range 0 xmax6 D0 O6 C( a) \
3 g* ]; X+ t$ C! Iset-plot-y-range 0.0 ymax
4 I3 D1 n! `* N- wend
7 v1 r) R* ]6 ]7 _: P+ i4 y. D' J& R3 v; \) p
to setup-plot3( q5 \2 E" `" C8 C9 k o
' B9 `2 |1 k, \, r- f, Y1 k8 _. gset-current-plot "Trends-of-credibility"
: n, K8 g$ Y1 w: y: d, i9 [6 ]
4 O, q! P0 r/ m, {+ N: bset-plot-x-range 0 xmax
# G1 g* u4 ?" N7 m
: o6 s$ v: m1 {; y! ]: u: xset-plot-y-range 0.0 ymax
) G+ u) E- \5 Yend% [: J9 h+ F; p/ c
4 `7 W/ B4 f a
to do-plots
( k/ @0 S7 V9 Xset-current-plot "Trends-of-Local-reputation"$ U! c4 Q- @6 @" c
set-current-plot-pen "Honest service"" F9 \ ^1 P* O& X) g% A3 z: X; X
end
% W% R4 i' c6 z) C- ?; J$ v/ M; ]' P8 R8 P
[ 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
|