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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% u* u* K1 k4 A7 d4 w+ ^4 q. J
globals[
" Y2 N1 g1 `& hxmax E7 K& M! N) e9 g
ymax
/ G* o0 l. g: Z5 K* m! }$ M) u- yglobal-reputation-list
9 ^- F& B. P. x7 B5 z; f( a# E2 Q8 P* |) M( O
;;每一个turtle的全局声誉都存在此LIST中
1 t( C. Y0 w8 Ucredibility-list
7 M$ Z) q" B3 e7 C1 a;;每一个turtle的评价可信度
2 p( w, F- O2 P9 ]5 dhonest-service
. {! E- F" K* d+ A$ X6 A/ k1 d/ ~unhonest-service
! s) p8 ~: ^- H& Loscillation% K) _/ C$ f: J9 `* l) [
rand-dynamic
2 X" h7 @2 N, A% i2 N+ R]4 T8 o/ I9 ^2 T: [" z; c- J
! Z8 v% M3 b- x- Y3 s4 {+ W
turtles-own[* A2 X, ]% q: f* j5 J! I |0 d
trade-record-all
# `- l9 c) r$ I2 I; i3 k+ n;;a list of lists,由trade-record-one组成
& k. @/ P3 P' x+ Dtrade-record-one6 F( Z7 f; a1 F+ P
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
$ U1 B" W$ L: I+ }9 p* h
: }, u3 `2 O l0 U! T$ L# S9 i;;[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]]
+ M# a9 g+ J3 m' y; r" ]( [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], u& E% t w. \/ T H8 F, f
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
2 a+ ]: p/ ? a6 qneighbor-total Z" g# c2 P1 H- o
;;记录该turtle的邻居节点的数目% X9 [4 z6 {% H! Q0 e+ M/ Z
trade-time
! h. B/ J' p8 {9 |7 r( v;;当前发生交易的turtle的交易时间
3 E4 h3 F9 Y! ^5 _" g2 E/ Bappraise-give& _0 m$ C8 n' N: X. g" V& k
;;当前发生交易时给出的评价* @9 V- X) _: q* M
appraise-receive
! x& P8 y! R# v, k, O;;当前发生交易时收到的评价
3 R5 o! H5 Q' i/ w5 K H; w. S3 yappraise-time
' t/ @ }+ r% o0 N* W4 u/ ]: ~+ W* R;;当前发生交易时的评价时间
. a" c. h/ T5 l, Qlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉7 o# w, A: q2 y: J! V4 b
trade-times-total
. ~, {4 U d: y; w" Q;;与当前turtle的交易总次数( U$ V0 ]1 y4 B; W- @
trade-money-total
/ [2 O$ e L% J- S) n;;与当前turtle的交易总金额
+ _1 K; i5 g. N3 Elocal-reputation
# h- Z- O/ Q. `global-reputation
+ H, m8 F9 A% q& Bcredibility2 y( u! c- b! \3 K' h
;;评价可信度,每次交易后都需要更新3 n E8 _/ ^3 Y& ^6 m' p, i7 X
credibility-all4 E2 d( C! q5 X; `% H: n
;;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 K" d, e: x( A# i) ]! w( y: E" ^* L0 r( v- c
;;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 J6 y4 k1 J- `% a
credibility-one
* Q0 ~6 J& R. b/ b& ^; m* 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
7 E) x' S- t6 w0 }global-proportion, l* K/ ]2 k: ~7 t6 _& \+ u
customer
; o0 f0 t7 x8 l7 K, l: ?9 M' ]customer-no
5 t6 n* a/ _! K% \( jtrust-ok
% i, f6 D# J" r+ s! Wtrade-record-one-len;;trade-record-one的长度! J- P8 ?5 n' x# }/ Q1 O
]% |* s: ^0 Q" n% \8 `* a
3 {5 q6 C- }9 A' C# \; n$ D;;setup procedure, E# e- x2 _1 f7 [
7 M V+ V! }6 }6 |+ U7 ]: bto setup
4 Y# A5 W7 ? y! p" S& L h
}) Z0 N& K4 fca
0 p1 H( g9 Q1 F; A" \! g: f3 E: ?0 w, u4 [
initialize-settings
( e& k/ t7 d6 |. S8 {$ }. O4 ]9 l$ H7 q9 i* ? S, C
crt people [setup-turtles]$ J6 Y/ a H2 W" b+ R* G
. ?7 K' T3 p3 p2 @% n5 Rreset-timer
/ p/ K) u9 N$ I/ l/ _! V% t& i' V# S
0 X; g; C5 m' S7 a6 ppoll-class" A9 b( X5 n+ K7 L }) u5 Z
* I, m5 A) L- [' _2 n9 D
setup-plots1 ]" ] Z+ |3 O/ f9 W" O8 z- t
1 P6 |! T, W) {+ Y( ]+ P8 D
do-plots
) ?- H1 J- B$ eend _- n' a' C. R! c1 I1 v
4 g/ [- ~( p3 v& q+ Q
to initialize-settings
5 v$ [% R( C0 D7 ]) G5 K" B
+ \4 u4 C) d9 Z, \, f+ L1 K3 Gset global-reputation-list []
6 D8 {: F5 J. [8 c+ A. d7 v* ]5 g. J. x0 L' A. ?4 e: K
set credibility-list n-values people [0.5]
& d; k R: a1 ]0 I/ s9 D: ?( W. z) j& Y) M! s8 o
set honest-service 0
9 v" K+ u2 \0 V0 i8 H+ j
+ P6 g5 I2 _6 M' n) }set unhonest-service 0
$ H, j2 t1 o- H2 G+ v4 F5 G. ?* j. Z5 u% R1 D% Q
set oscillation 0
' ?- Z" O# p" H/ Z0 R' w" A0 N8 N' |
8 z- k' J5 j- Mset rand-dynamic 0
6 i4 c* a$ H; w: H: ^& \- _$ Hend8 I7 I; j6 Z( T
& i- H( R1 w3 q9 n
to setup-turtles
' A6 b5 b" C: } U: Xset shape "person"
7 `* u: g) g D. z5 n! Bsetxy random-xcor random-ycor& K; r1 V* u E% g$ t9 {
set trade-record-one []
* w" r8 E% g, j- f2 z9 r* K2 r4 ^: A% \ L" u
set trade-record-all n-values people [(list (? + 1) 0 0)]
0 t3 T) s- F- t& e* \( ?* J r
" W x' n3 J0 t; Lset trade-record-current []
% V; B! g0 u, o3 w+ y! H) ~9 ^; qset credibility-receive []* a2 [7 p4 ^1 W$ E. v4 S. K* S
set local-reputation 0.5
* v# O. ? f$ S0 Zset neighbor-total 0
- `: H9 w- Q- a) Z% k) Gset trade-times-total 0
) S( b4 `: e, I3 b' M: _0 n' }set trade-money-total 0
9 Z1 L$ T* C2 h& K3 Fset customer nobody
' x; Q; G+ V8 p( f6 P( ~set credibility-all n-values people [creat-credibility]
! p( J- M [; |' j/ n. W: ~4 fset credibility n-values people [-1]- ~9 B( s& I1 T5 E o( @4 p- B
get-color
9 Y \% S+ ?$ k( N# c6 V/ P" ]) ?1 [; y" ?
end
; A' d6 h- M. t* Y8 x
' E0 T! Z& J/ V, Z1 Cto-report creat-credibility
/ V, p4 C: q1 D& k, \report n-values people [0.5]+ {1 J) d2 m1 W1 U* U
end' X. S1 e2 m `
/ A J9 C1 M4 O! zto setup-plots
' @& E8 n( B! x" D) S
R. M1 Q2 F# W$ @, P8 P1 R9 Vset xmax 30
+ U! z1 ]( J4 v; Q
; o% L. l" p5 g F4 H, R- Q# Nset ymax 1.0
, }/ O* u O! e3 S d8 T3 J2 j- o
clear-all-plots
' B! N8 d) _, X& W: P, r% c0 P& e/ l
- g5 n" P6 I9 f1 j" D7 N+ jsetup-plot1
8 p8 r& z8 J& a% C# c6 W
! J' @! N4 b9 t' b4 k4 `setup-plot2$ p4 f- d/ T3 c+ b7 K5 L
2 M* `6 v: r# C4 Z3 {setup-plot3
) \, q- n8 I% t y6 | i- aend! u7 V, |( h) |6 r2 D! M
9 N( Y+ U2 E4 T) p
;;run time procedures
, }& @; ]9 J" M6 n2 x6 y
) R: O. e5 S7 S8 `0 g, ]( A7 ~to go& B/ w# B9 c. p
2 z i' U& l6 H1 ]! k
ask turtles [do-business]
, @+ T3 r- {' z9 Gend1 A3 g* Y$ c5 T2 D, n
7 ~7 m1 G3 M- oto do-business 2 p$ q! w+ }5 X& C' P9 u" \" r
2 c" q3 v# N" z
- @1 Z4 p" y* q p: d7 P
rt random 3600 {6 |7 d' R+ v0 d! X- `8 |9 N [
: [' M S+ @3 ]6 a: e
fd 1! |6 T/ L A1 w1 ?+ `! e
; p @- m/ i" g8 a
ifelse(other turtles-here != nobody)[7 e' L, W% P4 p4 n. s6 m; O
% y2 T+ ^7 M3 r' S' R& C, v' ]
set customer one-of other turtles-here
6 U& N7 {2 |- E( Y+ p% F ]
& m6 S; v: g# e6 T+ K! H' ?9 c5 W+ \;; set [customer] of customer myself
% P. ^/ G0 n6 K! t* i- u: t( C; d6 Q) T( q) \1 V1 U
set [trade-record-one] of self item (([who] of customer) - 1)
$ w! R+ h n$ g3 C3 t[trade-record-all]of self
- T3 R) b' J2 L9 A;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
2 S, B/ k% x. D
$ ~! ~4 ^# x* P4 R! ]% P, nset [trade-record-one] of customer item (([who] of self) - 1); F r$ K% f; r, c; X
[trade-record-all]of customer, l8 K# t% U- y$ h
* j! d/ R# Y& w# N6 u
set [trade-record-one-len] of self length [trade-record-one] of self
2 h9 K P. ^! f/ W& @+ h2 j. K- y
- N) {# o5 b! V$ c( ~set trade-record-current( list (timer) (random money-upper-limit))2 W2 J/ a0 |; w3 R" r. G( S
` _. m& u3 w6 y. l
ask self [do-trust]
0 E0 w3 B# q& i# b3 @5 r;;先求i对j的信任度
: \+ _- r7 f/ a3 V, C% k# I
8 R, D: m) ?3 O h( O+ M' F4 r. sif ([trust-ok] of self)9 l& ~! Z2 t, f i: X8 Y
;;根据i对j的信任度来决定是否与j进行交易[
8 R# S8 q1 p6 D! Kask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
5 N U1 M+ ~' p8 L8 g4 z' d& ?, u2 T b) S; [
[
1 ?% s6 r+ Q; j2 z& D6 H/ s% Z% F. u7 n4 H
do-trade
/ n( Q: A/ T4 j1 b7 @- }1 B& \& L, n; v8 f3 ?- m
update-credibility-ijl1 E5 T% j, I; z* `# M9 d8 p. A
4 e! h7 F. X0 O6 i( @' X. r8 A
update-credibility-list2 \+ Z& s) Y7 u) T+ f4 R0 B$ U
+ z& F" X& M- x) v I& w$ J: }
$ f; v9 t; A/ Z6 x: U9 }
update-global-reputation-list
) r3 P# z% A2 b' }! G
; G0 N0 |" y. R& gpoll-class
7 p3 \3 A0 ?0 ?1 a
7 G4 G% \: @; dget-color5 Q Y1 U5 ~ E# I
, U2 M- B6 ]6 t6 D
]]
: Y4 o8 C4 ^4 X( i' P( w) n/ M
* s' U. \. q7 f7 P' j" A;;如果所得的信任度满足条件,则进行交易9 u4 u0 ]7 S/ D2 e
% p" L! J3 H" _' F! A/ ]: m! B
[
: X. V0 K) ?. G9 q3 m- u* b- R7 @! k1 `: r; k5 X+ Q" L7 [
rt random 360
, N* }2 L% Q J
3 F, Q% c$ s" R& L6 i# Sfd 13 C# L7 t) _# _+ j, ^
) S, p" ~# R& d2 ?; f- O]3 _ @$ m3 l1 B j9 M/ |( H
. J1 o* ~; ~7 F" D! uend
! ?7 N' V$ W% p
% x9 V' H' r! V: }3 b* M% n: Eto do-trust / ^6 M1 ~6 o2 d. o0 g; Y
set trust-ok False
$ p- N% ^) y2 g1 F, }% T" ], k5 r' }4 B6 F4 _$ N4 k3 y- j
- a6 K1 t0 p' C1 T3 }let max-trade-times 0
8 B% W, B! _9 h+ I4 Xforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
% T6 K7 V: p$ g5 F `7 H. Plet max-trade-money 0
( l/ g5 w: b3 E& _$ F) A& @2 h! Hforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
# o; w, F( t3 q6 _. F6 w0 B8 Slet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
" ~4 [* }/ r; \! Z" @$ _
2 b. |: m* K V3 s/ |
" N4 Y# \5 F0 U) C7 a- Y% Z/ eget-global-proportion
; v2 m0 c9 T5 Ulet trust-value* Q6 t. k5 D. T7 H# Y q
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)
9 n' o/ P, o2 b2 u( [if(trust-value > trade-trust-value)
4 B A$ `. ^8 _# S# t; e[set trust-ok true]
! A! u. P1 A3 w* Dend
1 h7 m5 M% t( j w: c' g0 N* Z0 G& y9 P
) O3 l) t3 n* h7 Nto get-global-proportion
8 A7 V3 O- ^0 P' q# Q8 nifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: x# [5 k6 K, D E( v1 \[set global-proportion 0]4 B" b* L" }3 K( \9 ]4 n1 ?
[let i 03 s8 J3 U, p1 P
let sum-money 0
2 c: U8 p" Y3 m0 [/ d) U0 ?7 h) Swhile[ i < people]/ X6 u4 K- V/ c3 H
[
# l4 b9 I/ U! g# B, A, Iif( length (item i5 g5 u& b6 S5 E3 o- t, f/ N9 H% M
[trade-record-all] of customer) > 3 )6 ^( ?/ ~ ^! p u2 C* A
[, M; N2 I& w3 p
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
@' Z" U/ P3 ^- E' E: \ k) |4 t]
; v# z1 j7 _5 O" X7 c6 l' T1 P]
$ R. }) g8 n2 i+ t/ B( mlet j 09 o; k+ m1 d+ b3 i
let note 0# @7 T* `+ Q! j
while[ j < people]2 y. o) S7 i# @% e% l
[) j# r4 u7 S. L
if( length (item i
% b- U' J: d1 Q1 T% B# ~[trade-record-all] of customer) > 3 )1 u% Q1 n# U3 U7 U" e1 _) U
[& G: j' r8 H$ n9 C/ Y
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
% q+ I a- W6 }% x[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]% H; K) m! u4 n- j1 A
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
, h; S7 \. J0 i r1 }; {9 k* {]7 N* n" c! J, ?- j! e) a% ?
]5 R! l% Y0 U5 A& o8 K" `/ P8 i: o
set global-proportion note# C5 E4 `/ D7 O. z
]
- x" y2 w; X9 gend* p# j" D, K0 r9 D: }; L% x
% ]5 ^$ J* C r Z- @1 b+ |
to do-trade
2 }; A& s. P! I" B;;这个过程实际上是给双方作出评价的过程
$ \- V7 y+ d+ F" Q0 kset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价- e$ K' h' x7 H3 F; b, z
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
2 N g& {* L3 }set trade-record-current lput(timer) trade-record-current
) F( o+ Z4 b9 C, ^0 g. N;;评价时间 @7 g+ A9 l( f0 K+ K* w
ask myself [5 y4 e5 X! f4 Q. Y% M8 ?
update-local-reputation
3 N$ {6 J+ _3 k0 c$ Uset trade-record-current lput([local-reputation] of myself) trade-record-current
. M6 T! M( L2 L]" t9 q. ^/ n9 `5 b# s% d
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself# V J& Z+ n `" i( M
;;将此次交易的记录加入到trade-record-one中2 v, Q6 z2 @2 O0 E( V
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)! K3 _/ z$ h- ~6 q5 I
let note (item 2 trade-record-current )+ N4 e( B3 J% a" j
set trade-record-current
r7 o2 S/ u) {# b(replace-item 2 trade-record-current (item 3 trade-record-current))8 z) @7 `& j$ A" E/ n8 U
set trade-record-current
/ j% i+ N( D e" v6 Y) s/ m(replace-item 3 trade-record-current note)- [$ ?5 V+ C3 ]% G. X! S
y% ~; |0 W+ g! |5 X& ]6 x$ j; L9 q3 ?( _' V4 }
ask customer [
9 P0 q, U# ~' p* T8 @update-local-reputation
) w7 _2 G% {5 V8 d6 bset trade-record-current
- K; B% G" z$ D! j8 \(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 0 d( r( k& M( G2 R9 ]6 {
]- q# s3 e6 P9 x* f: {
! F( g. A+ X0 q0 A \ z h$ i0 P" ~; |8 H6 p# {& w
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
' j# }* ~( x9 x4 N6 }: t+ y) T* M5 X: Z k" _* l4 a) W5 w) H
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))! c8 `+ ~+ @. Y7 r
;;将此次交易的记录加入到customer的trade-record-all中
\1 g5 P8 q# z+ ?5 W& rend( g- \2 j; k3 I2 C( H( g
, W) t3 C; k# ^4 o( a5 N
to update-local-reputation
$ ^1 I3 H+ Z+ B% [8 i+ w; U- zset [trade-record-one-len] of myself length [trade-record-one] of myself
* Q& b8 _, q5 o' O2 v, G8 E$ u. M; ]4 s6 h* p2 I
4 L% H% ]7 X/ v+ e* l# @( u$ ~;;if [trade-record-one-len] of myself > 3
& n3 F' X, f& j# I9 j, mupdate-neighbor-total* a( z6 {$ `8 R
;;更新邻居节点的数目,在此进行: V: I9 v# z. \+ ]$ D/ j* Z
let i 3: y2 p9 b, b5 Q$ n0 x
let sum-time 0
6 u2 y' x1 k& ?, `( wwhile[i < [trade-record-one-len] of myself]7 s, S5 W" m1 e. f) n. o9 \
[
1 ^% W" v- j1 L+ d6 Z' Xset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )8 |% G8 Y% a' {# E3 r* n
set i8 G; ^9 m9 b+ q# ]
( i + 1)
7 }, m# j' u5 C9 ~]% Y: m* _6 d; f5 J
let j 3$ ^% [6 H& W! Q5 j2 [: b
let sum-money 0
& W: b% o1 W$ u; Cwhile[j < [trade-record-one-len] of myself] v N/ @8 g7 h3 ^; }
[
+ s; f" X2 e" m$ s8 g+ q6 eset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
7 k+ F6 u3 C/ J. p6 E! ]+ pset j
% p4 d5 a* h3 T: o+ o$ S( j + 1)9 L9 o) d) K) A
]
6 a% l% L1 Y7 u! s: X6 P# |! Ylet k 3
) a1 Q8 n0 v/ Q* }let power 0
! ]5 B0 w# \5 B# }) Rlet local 0
/ @4 |1 H2 `2 t/ I' f9 R8 fwhile [k <[trade-record-one-len] of myself]+ n8 \, h$ r7 o, l! v. Y
[
# J ?# _: R) m: S) jset 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) y; M6 c* m8 U2 q3 l2 P$ W
set k (k + 1)' D" P) c, W2 P( A
], X) d' l2 j# w3 N
set [local-reputation] of myself (local)
1 p" @* y1 I+ \end# f. v) C8 c: n" h- k
1 i6 r6 u9 F8 l% o3 [& N
to update-neighbor-total5 L+ b; a% u( o0 L& B' t
7 z9 h9 M v* y7 N, r5 Bif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
_5 J1 |: t$ \" W9 l# s; ^7 M/ `, X0 {/ C/ k8 b9 G/ L' U* y7 r9 r
3 C# U F+ D( }" T
end
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3 B( x5 N- ]! R3 G) {) Yto update-credibility-ijl # D. r( I5 f& k8 b
. t. {1 K: L0 E( f1 X- l4 [;;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。4 d$ _1 c$ a% i( t& Z0 b% z7 Z8 a
let l 08 U% ] A8 N6 ^8 U
while[ l < people ]
4 S& I5 y* _* }8 f# _9 C) V( {;;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
: c& y$ q1 K4 ?1 l1 G, {' j[
3 i- s J& f9 Y4 x3 D+ Z L; slet trade-record-one-j-l-len length item l ([trade-record-all] of customer)7 \6 R. h# `% h; o2 [) R) X
if (trade-record-one-j-l-len > 3)
' H2 T0 e1 T4 |# M; L[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
/ E" I/ T7 X* v; jlet i 3
( n( M5 E+ P6 j* A" Z$ alet sum-time 0) X4 U& g0 F$ Y# i& B; }+ K7 l% w
while[i < trade-record-one-len]4 b+ V% L9 \$ X8 C- a& R
[8 q& J3 e" x7 C- E/ O4 T
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
0 w* S4 g7 ]( R4 oset i
9 \! P8 f0 B4 k( G6 v8 x* s" |" d( i + 1)
; Z% I" Y l& u9 w. h]" u" T7 Q5 O2 u" K
let credibility-i-j-l 0 \; ]0 g O; f+ d8 [% {5 \- m
;;i评价(j对jl的评价)( K( w+ e1 o9 y4 b- L. ^, h Y
let j 3" D' L' V' o" g6 A0 {5 b
let k 4( r( }& w) r* I/ H8 c2 ]
while[j < trade-record-one-len]
* ~* c& c& k0 N[8 w( k) T7 k* E0 K9 l& ]: A
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+ z5 r7 P6 y. V% a, ]7 P
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)# `2 ]9 J9 \7 l3 h( B
set j f8 X) V+ l- ~7 `! \0 E
( j + 1)$ G& G9 f i7 j! V5 s
]: W; C3 y& m1 x8 k4 r- Y; D5 r
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 ))
4 U5 y J$ V- U% r9 \& p) ]% L) R6 l' d( E7 `
* I5 H, Y# V4 D
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))- `6 y$ L9 t4 W. q% ?/ R
;;及时更新i对l的评价质量的评价/ c! I2 L b# s$ E5 j
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]7 Y( j0 x* n& e& y U4 ? E1 U# g7 C
set l (l + 1)
* E: g$ H' N" l& i. x]
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Z$ T! \ U& }& ^* K _
to update-credibility-list6 Z" }* z3 n+ J( g3 l
let i 0
5 z% p, x1 t" i6 Fwhile[i < people]5 g/ r4 k z" [$ ?) `' `# n
[3 {) ~" a$ X3 f
let j 0
' u9 \. c/ A7 q9 Alet note 0: Y/ q2 ]+ N( y }
let k 0& d/ m! R0 e) `6 f
;;计作出过评价的邻居节点的数目
9 V# y: g) ^/ U, U/ x& swhile[j < people]
7 ^% L/ P) m# E Q[ _" L, A* E1 J( h$ M6 r9 R8 Y, }
if (item j( [credibility] of turtle (i + 1)) != -1)" t! A1 E/ C$ S( P
;;判断是否给本turtle的评价质量做出过评价的节点
1 w( X5 X, f" K$ u/ n[set note (note + item j ([credibility]of turtle (i + 1)))3 x* f$ C; m! @! j; F
;;*(exp (-(people - 2)))/(people - 2))]! ^+ x5 _# i1 P5 e* G9 ~
set k (k + 1) D2 E5 g, }- y
]
% l6 c \/ V+ xset j (j + 1)
" {9 M; x: Z" s0 {8 G4 l% q* r]
w1 E }% l7 G2 M+ a; s! o/ W5 nset note (note *(exp (- (1 / k)))/ k)5 K4 o$ t$ R) U/ [
set credibility-list (replace-item i credibility-list note)
+ a. @ u7 R- u) o4 u0 [set i (i + 1)
, T6 C+ G3 t/ @& M, U]
! a( V' O/ ~/ r B4 G# ~end
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to update-global-reputation-list7 t( ^8 c1 U- d7 E" O- W0 |8 _$ d/ C" B
let j 0
; Z4 `3 X& R1 y6 P J* k2 b+ \4 hwhile[j < people]
5 s# b5 [1 Z& i3 b[) z4 H2 P% b$ l' c* j! @8 L
let new 0
" R! I3 f c0 Q$ e;;暂存新的一个全局声誉
8 a; [- g1 N0 E# Z; j9 |let i 0
3 ^4 t1 |9 e& D- X0 U8 m7 Qlet sum-money 0. P2 y! D& ?4 v4 ^' b* n
let credibility-money 0/ O, o. q9 v6 v- }5 `6 ~
while [i < people]9 f. d* s4 y7 Y! A6 m9 }8 k5 X
[
4 g8 M) S8 Y$ v- q2 I8 l* q' jset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))). u# W! u6 ~( O9 _
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
" I% ^; g( ?) @7 I ^; Lset i (i + 1)
8 B4 j* s N4 v6 F]
- I% Z. X/ u% ?2 b5 Hlet k 0$ n& x# Q: H; G- E) d( y4 M o
let new1 0, i6 L$ j1 S- p
while [k < people]! H+ [3 R: v" {. x! ?+ L
[
# J2 g) |; o0 q& vset 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)
. j2 q4 g% ]: t" D0 Dset k (k + 1)
+ Y P7 `5 q' t+ [- q+ {) X]% ^7 I* V) ^: D$ z% c
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 5 y E- i6 c$ I W B( p
set global-reputation-list (replace-item j global-reputation-list new)+ M+ G) f! L' y, |
set j (j + 1)
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5 y0 Y( B; P* U5 r. T5 t# Qend) ^( ]! k# T5 I* n) g
5 `: `8 R8 B- r- p# R
8 Z$ T z" k S2 g" u4 p
7 J# n9 F1 I8 r' O% c& l/ |& Qto get-color
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O# p8 t0 h2 c5 F4 W) \set color blue
: @# q% T; S& I, Y4 l1 jend' g# Y9 l& S4 @3 C9 w5 o8 t5 z* W
$ F+ n+ |5 ?1 r% }, Q1 N G: N8 Y
to poll-class5 u# m2 z# B: Z4 _% v( r% ?3 P
end2 q7 j( `" T) o2 Z
7 j+ v9 A) _* h) y \2 b* n
to setup-plot1, e9 H: Z: ~# j/ w$ Y, r
6 g% A3 Q$ v, `* \set-current-plot "Trends-of-Local-reputation"3 {5 o0 ?0 X, P- g g
, E) X) B0 c4 Q" D
set-plot-x-range 0 xmax
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6 m/ z& G! {: k' S7 H4 x# Dset-plot-y-range 0.0 ymax8 i" u% h4 Y& P+ E
end
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to setup-plot2
1 y2 v2 V# z# H& x8 Y! a V( n& ]' K9 r: b+ S2 a Q! z' r$ s
set-current-plot "Trends-of-global-reputation"1 V# L- @: o2 ]; u2 B1 ^
5 D# h. |* m- J( t
set-plot-x-range 0 xmax% I: c5 }3 V/ L( ~# n
4 l! X+ x6 N0 M: |
set-plot-y-range 0.0 ymax
L. w0 ~, `, Wend
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to setup-plot3
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set-current-plot "Trends-of-credibility"
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R/ {% @! t3 q* Aset-plot-x-range 0 xmax! a! i0 D6 M- Y
7 T+ _# F: a9 B6 o3 h+ ^set-plot-y-range 0.0 ymax
- E) p# t- F ^$ j% U8 Vend) ?! e4 V( r H. A
" a5 t. s( B. i, W$ t( t- j( A; o" eto do-plots
4 F1 E- k; B9 F+ w0 s3 V3 S8 ~* ~set-current-plot "Trends-of-Local-reputation"
* t5 b4 V9 e, Q% r. I4 Mset-current-plot-pen "Honest service"+ Y- D3 g0 Z# S$ W |7 u8 K
end5 U1 q/ k1 d( w& j) T- P8 i) F
$ l$ N, y, \& R* u3 V[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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