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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# L" k' f" R5 U$ t! F
globals[
' w: R2 ?% d% ?1 Z: Zxmax+ O O( _, B! | z" u
ymax* ], A+ Y) D+ D
global-reputation-list
& N' f, P% m3 F3 X7 b) i8 d2 q# B/ F0 f" B
;;每一个turtle的全局声誉都存在此LIST中
" [, g- j6 A6 X2 G wcredibility-list- u- W. V- t- ?9 v
;;每一个turtle的评价可信度( K1 ~: `' R" o1 w
honest-service, [% q* p* r v6 Y: V2 @: v" z% D
unhonest-service
p# f. s! n# S! {4 coscillation
1 w; w1 B) f( x$ P* Trand-dynamic* t% J# t k6 i: B' v
]
+ I3 U& ^2 f% v: y: J. ]/ v/ a
" C' m* L( t9 i0 d% N3 i9 Eturtles-own[: b- b9 r& t& A0 ~# a+ d p3 B
trade-record-all2 @; M; s* z& ]. e9 }0 _$ m
;;a list of lists,由trade-record-one组成% L5 _1 r( a% _
trade-record-one& H6 ?- h5 I/ 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! z9 _5 ?$ R3 a
1 ?/ o: d& G3 M9 K7 ^+ A;;[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 ]3 u& t7 `" V4 M
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]' W; {8 P; ~- M8 I6 C6 Q
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
, x3 i( c% b, | wneighbor-total
; |/ Z# N6 {/ Z% _1 o/ P: n7 _;;记录该turtle的邻居节点的数目
5 c7 g5 E+ m3 r( Wtrade-time
+ X+ }8 ~& l! `( b- A+ O, s6 V2 f;;当前发生交易的turtle的交易时间
0 i) z* A# N: n$ n- } yappraise-give
0 b# \0 u1 S' y, I;;当前发生交易时给出的评价, M5 [+ [; S1 a
appraise-receive* u2 ` B s1 Z8 y$ f
;;当前发生交易时收到的评价2 T, r; E8 H$ N3 U7 X
appraise-time- S/ p/ E' D5 V% M3 {+ Y- a
;;当前发生交易时的评价时间5 a2 H! o1 J5 g0 T9 D, f+ y/ ~1 h* `
local-reputation-now;;此次交易后相对于对方turtle的局部声誉) u/ b. W9 i+ v$ x% v
trade-times-total' O/ Q) i9 d3 v5 w* J/ Y, M6 S1 ]
;;与当前turtle的交易总次数- B% Z. Q ?4 h7 W) i% K
trade-money-total
! R5 ^' [$ a6 _% ?4 t;;与当前turtle的交易总金额6 ~% U6 Y5 L: `) [ o# W: I0 o
local-reputation
' y& L: G7 d1 X3 u0 }. d, W: S$ Lglobal-reputation8 {+ z# y! P7 i1 e1 k
credibility
- A$ m5 P( q0 `. c8 [! B;;评价可信度,每次交易后都需要更新- }1 L' K% C& Z# F# W
credibility-all6 R5 F1 j; T" m3 ^2 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. u5 G( }5 X& R# M
7 X+ l2 ^- A" o3 i k
;;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
$ v4 z7 V1 u6 o9 Zcredibility-one
: s4 C2 ]) K4 c0 [$ J2 H;;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# Y3 o. V8 N4 s" }+ T3 R
global-proportion4 e9 V5 j4 L. e! W4 f* f! f
customer
0 H4 B0 h% [; o3 l' q; G8 Fcustomer-no
- R6 y" Z# R( x ?' J% D. i/ ltrust-ok& @6 v' }1 N2 p; H( S
trade-record-one-len;;trade-record-one的长度. t2 {! B7 p) s
]
+ k3 [9 \ n" b
1 y" | _ o5 p* _6 w( Z4 F;;setup procedure! Q b4 A5 d( d/ Q
, T; w* t9 `( Q8 Hto setup4 ]( a1 Q) T3 I$ }
, o4 L B% _2 H1 k/ r+ d# X) \! ica8 X9 b$ b( D; `4 c, w' A
$ j) Q0 c) v/ z' @1 u$ w, G' m
initialize-settings
: i. l3 o' c# ?" |8 J- F: { f9 d! P0 L0 R$ x9 W; Q
crt people [setup-turtles]2 O/ Y3 r4 J* ~5 m/ I% J$ Y
/ b+ L3 q7 S! C, g9 ~& l& kreset-timer" v; K# r2 M; p8 B/ M* Z! R4 d
/ V5 y" ?! U% r& {" f/ h- C$ s
poll-class
( F) ?0 G; t+ X5 V* t9 t/ b9 f ]1 T: ?4 I* j. u
setup-plots" J, R W+ S# q9 `% R2 O. m* w
5 W, n {' B% z$ ^; ?
do-plots
9 p6 m( h0 @8 A& p2 S4 {- F0 B% vend
5 @. i) k+ B W) ]
' C* M! N/ u+ i/ e* J) q* xto initialize-settings# P1 S% b# `+ P {
! E6 e6 m6 G! F7 p4 \5 Lset global-reputation-list []$ d9 ?# B3 l+ D9 v) a, F
0 G3 M5 i0 S/ x R; J, \
set credibility-list n-values people [0.5]7 d% r7 Y- V! m: F) o
- a8 C; d( v h9 _% ~) R
set honest-service 0
& S# r/ a: C) ^# }" }6 C/ [4 T! |+ f) z5 b8 q; C" \7 B
set unhonest-service 00 x0 S/ T; j" ?% v; k
. C9 D5 c1 e' f( n/ Nset oscillation 0
0 l- B6 D* B2 I5 I% C! t0 l- E# i* r7 y- `5 o }. |
set rand-dynamic 0
7 Z9 P3 f7 ^; c8 V/ jend0 G9 y0 h- s9 ]1 ? ^
, i: g4 R8 X! B3 A7 n
to setup-turtles 2 t% V5 X& G8 b" A& {- ~
set shape "person"
7 G- }( B$ J4 C' H" H. ?setxy random-xcor random-ycor/ d5 C/ K4 O: ?# n: m* _
set trade-record-one []& j3 D5 q- c% p9 I3 l$ R7 _& R c) M
M4 p2 i" b+ h$ d7 K
set trade-record-all n-values people [(list (? + 1) 0 0)] - z% K. r: M! q7 p$ Q' G; a, M8 N3 q" j
, Z% k9 x, ~9 L! \! a
set trade-record-current []& e! N( l# U: c- n2 B
set credibility-receive []! G5 G. D Z3 }. K2 Y. u! y: M
set local-reputation 0.5
7 ]( N+ j# w$ e/ S6 o3 qset neighbor-total 0
2 C. U1 a$ x8 {1 W c. v, wset trade-times-total 0( G5 X; J5 ?3 ^, z
set trade-money-total 0
+ Y. s8 y i' a3 _" Rset customer nobody
' O; o ~5 `! ]2 T o: jset credibility-all n-values people [creat-credibility]
\) h# O; R d \4 o* \9 l) _set credibility n-values people [-1]! U Z- m& m2 H2 ?' M* g
get-color$ y' D: _2 D& ?% B: W \$ H# |! t3 |
" _* B" j4 Z5 v- p' D2 Lend
6 T" c C4 E8 b% J4 Y- o7 P" I. u5 }* E5 [2 L$ V5 {( r$ d
to-report creat-credibility! \+ a8 l% F1 p
report n-values people [0.5]
/ o- T) q6 v% [' W1 p" m! Oend
) S) p0 b2 O4 ?% p( d5 ?: j! ^" G4 `4 ]8 j: X/ g5 R
to setup-plots+ K2 u$ f. @4 R) g9 B% y+ O
: T: T) A. C, F+ `5 K& a$ N0 Z! l" V
set xmax 30
4 q3 X. o, d+ I f7 I8 \; F# F# A' t, d- v" O1 d* [& R f
set ymax 1.0% A7 s$ f) b: ~/ M# b( b% Z# k
, H0 x3 X# ~# G( X9 l+ w: u" m# U
clear-all-plots
! _: v2 |6 ~& l. k$ |8 ?( O2 R* x1 H4 \6 a3 U% A- w
setup-plot1
3 s4 X$ h0 X! a; i. e- F J, \5 x- U1 l/ J; S
setup-plot2; k3 i( J, u( @+ i* f k
8 p& Q3 x9 W. p' c6 x& j5 m
setup-plot3" s) _; ^% X7 B2 U9 Z" t
end
+ O/ r3 Z: v6 U2 B; S, i+ Z6 O
; S) ?% `3 E6 l7 v' Y& r;;run time procedures k6 v. {) h& k) U* E& e0 Z% q
/ R8 `) `9 O4 o+ I2 |
to go8 C8 i' c" P( _7 ]6 m( ]2 y# c
9 B* Z z, {7 n' X" J) {( Task turtles [do-business]
: n, y4 }6 q7 Send* x4 k7 u6 o& i% L7 R4 o9 g( G
, U4 n5 M6 o; W% U- ?to do-business
# i) w& q2 u( x2 L$ \: m/ v6 @0 j+ o* b! T0 l" w
* u1 |0 K/ Y1 {. f/ t; o. ^+ Wrt random 360
z3 O9 y' D6 ^1 b% a3 n3 o0 q
& i L, ~6 j6 F+ ^fd 15 x8 I; \ J" t* `5 s
- U* J/ t. o4 t$ o4 I' q$ }0 s/ U" ~/ ]ifelse(other turtles-here != nobody)[
& Y" j/ D# Z( ]: z% d$ W" h7 q$ c4 J8 k7 r
set customer one-of other turtles-here6 O7 }- h6 h- i& L
% Y! z/ d. [0 _# I4 q( B. Y1 n% B/ K0 m;; set [customer] of customer myself
- U* R+ R: X% V. i8 }: [( g# U( z
set [trade-record-one] of self item (([who] of customer) - 1)+ u9 b6 `- F! ^+ V; x
[trade-record-all]of self
# E" Z! W; W& y# N- `. E4 J;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
, l# R0 w6 a8 M- u4 ^0 W& z% f7 F% w
set [trade-record-one] of customer item (([who] of self) - 1)
% k) H" u. t& d. }+ A. s[trade-record-all]of customer
3 g& K& E' m7 B
: \: z* p7 _, b. l& s3 H4 Nset [trade-record-one-len] of self length [trade-record-one] of self* H& t J$ x( v' l% G9 ^& ?
0 i% a! s: z% {( o+ G
set trade-record-current( list (timer) (random money-upper-limit))
. @+ X( P# B! t* D. V8 M: g; V( A* K9 a
ask self [do-trust]
# {: Q! V+ _- ?0 w: g4 b0 l;;先求i对j的信任度
' }+ t r C& W u
7 q0 m! U; B; R/ u- lif ([trust-ok] of self), [: i- n" z8 [9 d5 J" \0 H# v
;;根据i对j的信任度来决定是否与j进行交易[
3 Q/ [; @* B( j" F0 K$ G) y. p' kask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
; u, T+ O6 U9 y+ J
8 l `! s7 x: P, [. \. r[
8 S% N& \1 a- e6 I7 d3 C
6 `4 ` W) q6 i# J6 A! edo-trade! C) U" {2 |) q& q5 p* }7 w
! e: n5 k3 r8 }: h: {, l; c3 ]* Nupdate-credibility-ijl" I9 P% f; R7 G
9 N6 k; Z4 [2 O/ P! ]1 w/ { n& S) Tupdate-credibility-list0 g4 t' g3 P b% e$ a# B0 Q
1 J5 Z& Q( j4 Q3 Z! x$ L4 h% `3 E. r1 {% t
update-global-reputation-list4 c& s0 f8 S3 g4 ^+ i3 X
; w, O7 m$ u9 @7 `, S& u
poll-class
" `0 n7 R* [+ ~& D5 n5 b8 y: y8 W5 u" P' F0 t' y+ K: Y, S0 f! B
get-color: C! ^" g( Y' t0 E
, U' o* k1 ^# `9 Q# N) Q2 e) ^]]% Z( l" M8 [; c# `4 w. \) o
- d" L/ j3 s* D1 Z. w" F4 V;;如果所得的信任度满足条件,则进行交易( ~* E! I7 a# S0 n S
4 m8 E: n4 n8 L* G+ y" h
[: R% I* ]( r; s
+ ?( [ l- n# p+ I& n: s$ Irt random 3604 X# a! U U9 u7 W' K9 G" w# E
6 l0 Y& B4 c1 s* V& t4 \
fd 11 ?% f- ^% R0 o
+ s/ B, ?2 T% Z' E
]% J0 w% u) t* A8 ^/ S" Y9 @
6 f7 T1 \/ s% h, [' Q* ?$ [! Oend6 X- B N6 n3 V; d) ?
, J/ g3 f$ p# w/ Qto do-trust
" a6 j1 E: G2 {set trust-ok False2 i9 I: W0 ~ @0 ?
6 `* J7 P. @1 E& w, K
$ c/ P9 V6 V O0 ]4 @. c
let max-trade-times 0
) Z/ j9 p+ s% L1 B Jforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
9 D# X6 K0 i8 ?- N; alet max-trade-money 0
. P1 J5 i" R1 [3 Xforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
( C; ?+ W4 X) v1 }4 ylet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)); s7 z8 u6 l+ X7 g: O! ~7 G
7 ?# ^5 K l) \# V$ x0 z6 _2 ?8 E) @0 v, o0 \- x% m
get-global-proportion
; E" y; y" b8 E. n* C: i& ~* `1 \let trust-value
+ p; I' C9 a1 klocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)$ P! p( f* o$ n& F8 I/ }
if(trust-value > trade-trust-value)
4 }" X/ @- D6 B; k6 ]0 r[set trust-ok true]
2 D5 N5 K j/ N& z3 V) Send7 B( L R; M" ^8 q( n* m3 [
) D. h: W3 H+ v7 |1 y3 R
to get-global-proportion
5 b8 X H* D: ^ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
. p! N" k; {8 b1 b. j& Z4 x[set global-proportion 0]
( L$ I- m" n. w( E; `[let i 0( b& B5 x' i; u6 A$ u
let sum-money 0 n) z$ C) n& ?1 V# _7 z
while[ i < people], }; y6 x, j# \& P8 c' |
[3 L) F/ W8 z A
if( length (item i0 C. x1 F" z0 z! I3 ]
[trade-record-all] of customer) > 3 )
* p9 q" B3 r' M[
& u* i! G$ e6 H! x5 S: kset sum-money (sum-money + item 2(item i [trade-record-all] of myself))3 S R4 R$ y! g- t7 w( U$ C
]
+ r' ^: V4 H @0 S3 M]
/ d7 N- x( X' L+ x9 b3 F' |8 zlet j 0
; Y! l# R7 W, T( a; G5 j9 K8 Plet note 0
# M6 L" ]6 F* o" U' B; uwhile[ j < people]
9 ~. W# Q, W7 P: W4 V r5 p) ^[
& D L" p- {4 h0 [if( length (item i
' I( z$ ]" m* u6 F0 W* p& |8 o[trade-record-all] of customer) > 3 )
O! q' B/ G$ X( p0 A; g[+ E7 K; z8 v1 T5 m6 e( c3 P. O: B& R4 S
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
E, v5 z* o) p' T1 w! Q& v+ x[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]2 t( f3 w) C+ }6 c' a4 L
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]* N* h8 n4 f. Y8 |! w
]8 U s9 h5 {5 G9 v2 }
]9 Q) S5 |, M, m7 A( X. P
set global-proportion note/ q! G5 p' L6 v1 K4 [- z
]
5 U6 R9 Z5 f4 [8 K8 y$ E* V5 bend( Q+ v, u7 K2 c4 H& ~
& X+ a* \, u6 Y: l
to do-trade
; ^- V5 @6 d$ ^8 u& n;;这个过程实际上是给双方作出评价的过程& X8 r: M! D5 h! S( |1 R# Z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
! n6 J) \( B- l4 A+ Wset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价 f' P! ?; X/ u. n( d' c
set trade-record-current lput(timer) trade-record-current
O0 Y q" J* b# Z8 r& G: F;;评价时间
: ]% e! h |" v. rask myself [% X2 d! C1 _: G- A6 ?2 i" w
update-local-reputation
) f% q" Q0 k5 G! U+ Kset trade-record-current lput([local-reputation] of myself) trade-record-current
, D; m# v# O. B2 x. n]( b$ u! N$ }% B
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
2 ]# K' }, p W2 C, s* S1 C;;将此次交易的记录加入到trade-record-one中7 G* @/ ~( }5 ?+ G/ U
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
7 w5 X. f# Z$ F9 j2 M; a6 G% |2 clet note (item 2 trade-record-current ), ^. s' P( C E4 [3 G5 z0 L3 S
set trade-record-current
& h$ B( [0 E' O(replace-item 2 trade-record-current (item 3 trade-record-current))- b j; [+ `. z h- W8 O
set trade-record-current7 c7 G' q- e$ `/ i6 {! G, {
(replace-item 3 trade-record-current note)
, @' `* a$ H$ e( D+ Z m* W
) T& X9 @% p- R8 `; q G V% Z3 u% @& L' _0 [0 p9 {8 f d9 \, ~) H" s
ask customer [
: Z2 A% o" {: F% ^: D$ ^- w# \update-local-reputation
) ^* J7 g4 n, v* P: a( S% Dset trade-record-current- b; j3 t" E; {% Z
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
) A( [5 R$ W) I0 p]
`; Y: q' [* H1 v5 _6 E" P, W5 _ P, b- t6 g% g, b
( l( A' L% e8 A/ I8 h% Jset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
+ Y+ {# Y2 F) ~" H+ H
; {9 E5 U' U3 b/ w' uset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))0 Y( h- K: G2 N
;;将此次交易的记录加入到customer的trade-record-all中) z/ e/ S5 P. U
end7 h' S; |) Y! ]
. {2 P4 f7 Z6 c2 Q, v
to update-local-reputation. }' V0 x" D2 A# D
set [trade-record-one-len] of myself length [trade-record-one] of myself* ~' x2 }' k. k4 B. ~
6 X2 \) _2 G" W7 l8 [2 Y
# P/ a6 k4 {4 L) K# p% h. B;;if [trade-record-one-len] of myself > 3
6 m; D* }- s+ S/ n: |: @3 Gupdate-neighbor-total
/ h1 N- p! o' t% {: Q) `8 Q! h;;更新邻居节点的数目,在此进行
% P3 E6 F! N- z5 M6 Alet i 3
6 W9 J, x& z$ H6 V& blet sum-time 0
) ~% X0 m9 V6 I: [( U# k& k& r% p8 }while[i < [trade-record-one-len] of myself]1 q2 @$ B9 | V+ y
[; O$ A# G/ E V; ^9 t& R) W) j4 f- R
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )4 F3 b5 I% B* W x" Y/ I
set i% C3 s! c+ d/ u9 g, a/ d
( i + 1)- H( S. _; C% K( ^
]
0 D( K1 N5 ^* k, Z; \8 l) Xlet j 3- ^$ L& q9 O) A9 F/ r
let sum-money 0
# {: ]) ~/ k) _ Ewhile[j < [trade-record-one-len] of myself]6 R( H2 i, @/ n( }9 ~
[4 X& L9 t! f' ^; h4 ~/ j2 C
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)
! V. n* W: X: d0 g& f- o, [) ]set j
; K# `- n! U1 q" D, W' O$ x: h( j + 1)8 Y1 T7 w" g' T! F- j9 n
]
$ u$ t* D* E. s ]% _5 x2 Tlet k 35 |! e+ g: V$ T6 X! [; j" S: _
let power 0; a S9 L# {3 h: e
let local 0# ], w/ n, b0 w
while [k <[trade-record-one-len] of myself]
8 k4 Q1 \5 B& T* H e0 H7 s1 T8 x. m( k[
3 C3 M, D6 T) l8 O" z9 {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) . w3 d- y6 Z& X, H) K/ N% M* h
set k (k + 1)' q1 G/ v* o; V' D
]+ X4 q) Y+ V+ ?! P! v
set [local-reputation] of myself (local)1 p4 g- A' g. Z! ?5 h3 I
end
9 Q4 n8 o$ |* H9 F) ^
* s1 b4 E }9 fto update-neighbor-total
- h4 m$ m' V' l3 A' Z: I. ^9 T
; _) S! C* @3 D! t7 V6 I, r# lif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
- w, W. Y4 v$ J+ J( E1 i3 w& S* R4 R# x) t3 _: l
$ Y* t$ }0 M5 e% \5 `# Aend* J$ |' [3 j8 @8 d" a: n/ Z. D$ K
. V3 \! N. y6 X! a2 u$ X3 gto update-credibility-ijl ( K* t) k5 U; a4 i, Q
2 p; G; w. ?6 };;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。
- E2 u. u& m& A( ^let l 0
' i7 [% {2 e) L8 F, y# [: owhile[ l < people ]
6 s& S6 h3 L$ h) s% K8 M1 Y 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! f6 H1 `) s3 ?; l- d
[
! U6 N8 L, {2 l- h) g% \6 vlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
4 x( d& y# w8 g6 u) Hif (trade-record-one-j-l-len > 3)
1 r4 h6 T3 z' [3 p! C6 ?8 A[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
4 e; E* N( ~6 l8 N2 y/ \ Alet i 3
( z6 u, L+ _8 R7 ~let sum-time 0
: N% u; t: H0 K5 A$ P0 Swhile[i < trade-record-one-len]% j x V; N! `" Y" N: A
[
5 g, C4 ]- i7 e, y2 Yset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ); X4 Z3 ^ S$ C% D
set i- V2 V( n( A" x0 W, {! m% @# u
( i + 1)- `. f7 r9 f' E3 ^/ w2 w: C
]
- w8 W6 x8 _% B/ e8 O5 elet credibility-i-j-l 0
! {! b2 A6 x6 U, H& ^% e;;i评价(j对jl的评价). D9 [! Y/ u2 O: {$ Z1 N2 q
let j 39 u: {8 f# d6 U; e0 {! S3 M
let k 4+ ?8 D1 o: T7 B) j$ n" M. W" N
while[j < trade-record-one-len]
/ v: X. q2 \; {7 @; n1 E( ^# l& X[" A8 i! J0 R2 d" f/ D; U3 G: }
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
8 w7 Q" ^9 `3 `; u9 a( S$ W1 R5 i' Oset 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). _8 W+ e: x0 [& \
set j
; v0 d/ v J7 k6 r$ k( j + 1)
4 T6 Q3 d2 X& c, v, }* d1 o. N]. _& m0 L# H8 m0 N* U! ^
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 ))
, k8 w @& }/ a( a+ L9 N9 s- U
; R H/ }' q$ `6 q+ A, s0 L7 n+ o4 Q( B% [5 }/ [
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))
$ X E, F! ^4 Y+ [0 F& [( E3 u;;及时更新i对l的评价质量的评价
. u& q9 J8 p1 \set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
; g. z; L/ x) Z# Q# y* g' Lset l (l + 1)% H" \" S* t6 ?6 g. e2 U* y# E- b
]. f4 w: c# u7 V3 @4 X# I2 L
end
2 z$ I, ^/ u. }- l7 n/ o9 N$ a$ c$ z% @ A8 l
to update-credibility-list/ K: A$ Z! w" p. D/ m n+ T
let i 0/ k% x) A+ b }3 o F! s
while[i < people]4 c! u$ `* \' T2 q- e% i( N2 V
[, ]4 U# Y9 Q- O9 Y4 t$ e }& J
let j 0
) H* q8 R/ `$ o3 flet note 0
S+ g* G# J s. D9 k" r2 X( p: Rlet k 0" _+ l% l- t( h
;;计作出过评价的邻居节点的数目" s+ k6 A9 m8 T! g
while[j < people]
" a" i) Z2 G+ Z. x- p[
9 ~- L; n; P0 @; S( C6 C2 Tif (item j( [credibility] of turtle (i + 1)) != -1)3 I$ N: K3 C! F6 P9 q% K3 z
;;判断是否给本turtle的评价质量做出过评价的节点1 D/ A n: n$ d0 w6 O8 `4 M, \
[set note (note + item j ([credibility]of turtle (i + 1)))+ Y! }' ?0 @; n8 r7 M! m
;;*(exp (-(people - 2)))/(people - 2))]
8 U6 N' N* {4 U0 b! J" Uset k (k + 1)$ L# U+ V* s. N0 }& S& @- `5 W. m
]
! h2 k. c3 j+ dset j (j + 1)4 j' ~$ J _0 S( v3 n9 W, i$ \
]1 a' v4 O; r4 r% M9 ]
set note (note *(exp (- (1 / k)))/ k)
9 {9 K5 q! H: d3 Qset credibility-list (replace-item i credibility-list note)
) t0 v$ o$ Y8 lset i (i + 1)
6 m" `* _3 Y% X/ R, v: r0 u]
- X" N N* `" T) w2 l4 Kend
9 u; J1 i7 `6 f+ M" f7 d% S# n) |% ]+ S( M" U1 A
to update-global-reputation-list
. ~* u; R7 m I1 M4 A* H6 M4 Ilet j 0
' j& j4 a8 \- h9 d4 X8 V6 dwhile[j < people]
+ `$ m* u( Y) i$ W! |7 [) O[% c" ^% Z. M3 z4 o
let new 0, w6 n& E! s8 n3 n, y
;;暂存新的一个全局声誉8 b- L' o0 y. Q" S8 h( u
let i 04 s9 G; W* A" y9 @7 K
let sum-money 0
/ _ k$ R- i! G! t2 j- A/ c; Plet credibility-money 0
. {5 O' E; I( U% v4 rwhile [i < people]
; D4 H1 v9 ]7 z3 D( v[
/ v, S7 H& b, c( I, v6 [1 {set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))% u4 u4 G) c/ A& j8 a5 d' j
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))' P& w' t# o0 J0 e+ _5 i/ Q
set i (i + 1)
" A( @4 A8 ?% F]; ^' E( p0 p( w9 j8 q) `" J) D* l
let k 0
# H$ R# K3 L$ G. }2 W5 ?" x6 Mlet new1 0
* F4 q3 D8 J/ |/ l: Swhile [k < people]( {; J! W r6 B4 U& D" F
[
! \ y! x- \5 O/ e6 l" {" ^2 Q. Oset 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)& S3 O3 F( f& l9 D0 z! I1 w( k
set k (k + 1)3 {2 ?/ u# _3 ?1 }" _. w" w4 \
]
( `# Q. u/ @- Xset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
$ D2 H8 c- H7 B1 Q# \. K6 m8 Iset global-reputation-list (replace-item j global-reputation-list new)! }: J' [. B* C& y; [ S0 Q9 Y: }$ T
set j (j + 1)
4 u5 h* W5 X. J( i3 ?& @" R/ d]
* Q( Y( U: J2 j& B9 {end
8 C) P; [4 m( @; i- T% E, O2 F3 S' Y( P" {
" C r% ^; n0 i+ p s& K' D
* ?$ g! w' _. [1 Y9 d
to get-color
, E3 x& @% l+ f. O7 O. \, P, c$ ]1 u. f; t4 E0 u6 U, C
set color blue, a1 ]# K+ h: A2 j# H& f" E
end
# R# }: l7 W" r/ z& I
/ j1 Z6 C- i, b( k5 ]to poll-class
7 b4 B" X; d' t3 s- Fend1 \! ~ @0 a% b2 Z
; x# s9 h* m+ \% `& n3 Bto setup-plot12 I0 P9 P& h) U1 C7 g, t* M0 ?
: T. [, P7 S1 s0 b/ B0 Lset-current-plot "Trends-of-Local-reputation"
+ p8 q( b% Y9 { _6 w( [; ~' G& @4 p/ z: e# E3 e+ y! \6 ^
set-plot-x-range 0 xmax8 }! _# u7 c' |& y2 r7 }! L! J- j
2 z; e: H" m% i4 W
set-plot-y-range 0.0 ymax. K# L& q( {) R1 X- Y# A7 t/ j8 ]
end
* J# I. S1 t. n7 y* x; E; M0 _
3 L7 v& Y( I& Y M; l1 Hto setup-plot29 D8 `8 o0 e0 i# o6 g
, d7 F& h; z- T _: P2 d
set-current-plot "Trends-of-global-reputation"
1 w$ E7 Y E. D! ^! Z, i
5 E$ S. }! w$ x. a* [set-plot-x-range 0 xmax
: H& f& |2 L" Z; l$ q/ F, `5 ^4 K. D1 O. ]
set-plot-y-range 0.0 ymax
/ w' p$ \/ f% _& S" S$ Mend1 }& [& G1 H/ [3 X
8 [( b! u. T4 F, L5 W& eto setup-plot3( s6 s" K. k6 ~
4 q; x. [7 y! ^2 Aset-current-plot "Trends-of-credibility"
' {5 [6 T6 P6 Z5 Q" T+ p y- T( b' o$ C$ d( |8 V
set-plot-x-range 0 xmax9 a7 w% w/ e: i$ @
; r) k& F e/ V! f8 {' Vset-plot-y-range 0.0 ymax/ p i! @- t! Z+ |# M. L7 v
end7 }8 f9 {( n5 O3 | p5 e
5 H: _% h5 ~# f) K* h5 R4 bto do-plots
+ N& H" A5 R; i% g. c% d; Kset-current-plot "Trends-of-Local-reputation", h4 D" h. b9 \- [" ~5 u: X
set-current-plot-pen "Honest service"
* |. g% I# L% h3 S' a1 ]3 pend
2 A* m+ _( m, V, g) D+ {3 e: s' \$ V
" l0 d( [9 p4 g" _2 b: s) ][ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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