|
|

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
; |* `1 @# V4 J: C9 Lglobals[$ f6 [) Y w2 h5 r7 C3 [
xmax ^# A" G! d, D- \2 k
ymax. n( p% S2 @9 J5 J6 W/ ~! y
global-reputation-list
2 p+ b1 l" j! a4 P% A# L5 z* o4 C1 v5 P L, m# w/ r
;;每一个turtle的全局声誉都存在此LIST中
7 u2 k; f: o$ ucredibility-list
8 y0 X3 `- Z; V) F& @- p0 [;;每一个turtle的评价可信度
: P- p3 b; }$ G% [* r* q+ nhonest-service% \- y8 N6 Y7 T" t) W* _! Q, B2 p
unhonest-service \5 @9 {9 x( J$ P7 n& v ^% C
oscillation. X- O$ D" @6 Q/ J. Q0 g. k; {
rand-dynamic7 [4 `& `+ H! Z( u- S. h
]1 a+ @) h; D9 Q) ]6 x1 L
, u$ y- `$ ?9 U- m: f* N' nturtles-own[! c! d1 M9 R0 }7 Y+ G) `; L1 f
trade-record-all' ~( K+ Z# }6 O4 o2 D
;;a list of lists,由trade-record-one组成
! m, }* D. I Q; O6 V7 N3 Btrade-record-one
. z* F# M% k" k y, c( q4 ?7 ~;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录4 e' A3 l& A3 c- X& O5 y* b7 `
! N1 |% t. i( `' b
;;[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]]3 H$ V5 B* W \" @. B; h# y
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]
$ k5 G* ~1 a o8 `2 C: A- G; qcredibility-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. k p0 l8 R) ~% y1 I
neighbor-total
" X6 L) c/ D! m4 `9 W& @1 T;;记录该turtle的邻居节点的数目
6 k, T+ M& v: M, p( M4 c6 ]: Vtrade-time- l' j% J! U0 J) M& l- b
;;当前发生交易的turtle的交易时间
. p7 ^. c# B8 j4 N- wappraise-give ]* S( N" Y, N* k/ W, M! ^
;;当前发生交易时给出的评价( w8 [4 |' r% ? S/ Y+ d# {
appraise-receive
! j1 i5 x; G3 [# @- P;;当前发生交易时收到的评价
7 d4 H! ?- T& X0 R% q, u/ mappraise-time" i/ n( y# R0 H; c/ K
;;当前发生交易时的评价时间
7 u( c* j: ^/ B% `/ A* l( ylocal-reputation-now;;此次交易后相对于对方turtle的局部声誉0 A# {# s! S1 F+ t) k
trade-times-total D/ f2 }3 G, l- t' e
;;与当前turtle的交易总次数4 ?4 n8 L0 n$ ^
trade-money-total$ B& e3 Q5 a7 J; x
;;与当前turtle的交易总金额
( D7 F- d5 L# u" v" C# Ilocal-reputation
+ a* d2 T1 c% C& V/ uglobal-reputation" H! M- y' A+ B8 n% B& a* o
credibility- n* {. q! G! c/ p
;;评价可信度,每次交易后都需要更新
* Q2 P* o: }& w. m: pcredibility-all
$ t* ]' D4 C2 K! w1 G% B;;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" k3 O6 x% y5 O/ n7 c
; ]7 _9 Y$ K$ u1 N
;;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
& V7 u/ M) }* s7 m- g1 ~$ Ucredibility-one) ], f* d9 W. H1 c. m. y0 l
;;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
" a$ {+ B; A7 ^ Rglobal-proportion7 _: M: \" [1 D% x7 r/ {
customer* m2 P) ~; u9 q) }: |) u$ T' O
customer-no
0 F1 j( }7 B* t8 @' e8 etrust-ok# N% G! Y5 ?9 E$ {3 V
trade-record-one-len;;trade-record-one的长度
" h! t6 Y- f% ?' E* M: U. g]* {5 t7 J9 k2 Q( V. K
, J# V- u" {; F;;setup procedure
& c4 ^ ~" s, Y- }5 Z5 j8 O; p& [% N' _! @# }
to setup2 l; Z) n1 e6 R) d6 w
8 N) K) C& c+ e0 N, c9 v5 @: l
ca: n7 o% R5 c* q+ r' ~- C
/ q, O; {5 ]) W1 M
initialize-settings \7 a% Y5 v- ?4 g
) G$ J6 H! I1 R; U6 r& k0 O& B
crt people [setup-turtles]
. {3 e) {6 j- I- ^0 f7 o- Q
3 w, ~& Y/ b4 a+ a) Nreset-timer$ [% B7 W7 p' K7 X
9 T1 g" ]. [4 qpoll-class
! L6 p$ k6 e8 {/ g& _" L+ H$ s/ \0 P1 c0 ~# p3 S
setup-plots. _+ k# D) t7 d' O' F/ D3 P
6 a: h( u) k) W# m! F
do-plots
6 @3 f- h- s: b- y, R( p/ \& R. Z) J9 Yend
. B/ W( k8 j* q9 A0 }6 ?/ y' a( _1 l3 w i
to initialize-settings
8 j, }5 V) L' E% D/ B- S- ]" }% z5 q; u1 P" V5 ]4 E
set global-reputation-list []
' o7 Z6 a# Q/ q- \ t( v2 [" \4 f( T$ p4 R5 l$ L' X, s+ W0 i
set credibility-list n-values people [0.5]
: m0 s$ H$ X* N% Q& d ^. d2 W( e6 m* g, C! a- t" ^+ H
set honest-service 0
* C9 Z2 ~. @' _6 x% @8 H0 f( G) s/ v' y* Y- Z& q5 l5 t, v! a& Q
set unhonest-service 0
1 I! W% o( m' b: l; J Z
V2 W$ u9 j* D9 Yset oscillation 07 @: O% b {8 l7 |5 R9 K/ b
3 w$ z3 n5 c7 D) l% _# rset rand-dynamic 0
! H0 g0 a1 l2 e- R" W- F+ rend x3 ~$ ]& v3 D, a V) s4 d
0 g8 Z' y+ R$ f- ^- {5 S4 ` N+ sto setup-turtles ) Y1 k1 Z5 b+ }* y9 L- K
set shape "person" c) t" D0 c4 x2 B) u
setxy random-xcor random-ycor
2 B3 ]0 q/ G. B+ m m/ v6 m5 N2 Xset trade-record-one []
T7 P5 G) }, q" H6 T7 ]
7 M: R/ N! |* C q" [4 q' J, M* y; mset trade-record-all n-values people [(list (? + 1) 0 0)]
8 G/ T1 d. c8 u% N5 r5 [7 @+ w$ P
/ D1 I2 _/ }3 d7 R" E, y) ?set trade-record-current []
8 N4 y4 x [: _$ L* r1 z$ T3 c: Lset credibility-receive []- Q8 k& I& E2 N5 g' V8 o. Y0 h
set local-reputation 0.5/ b; ~) m( O1 n: m
set neighbor-total 0: }8 S# p4 m0 ]. k" A1 b
set trade-times-total 0
9 g* W& D8 T7 L7 M6 O# jset trade-money-total 0& A, T- {7 P8 c! N9 W
set customer nobody
* t k$ y2 j& d! o. jset credibility-all n-values people [creat-credibility], O' D$ l; t' Q4 B* o. _- C) s Y
set credibility n-values people [-1]9 w- Q& p, X& R% m+ m$ l
get-color
+ q* M% \$ r% z: D/ R
7 I' x. `+ F t) uend. ]' C$ {1 k/ ?. ^5 Q( q
) j7 ~& h/ }3 r0 Q7 B4 s! z
to-report creat-credibility' f& j% Z0 f0 ]- d9 d5 B+ y( U
report n-values people [0.5]* `' _! _6 y. ?) o. F+ [
end/ k6 q# h( x0 k% t
+ z. o( m; Z7 s- V4 g q8 s; H+ Lto setup-plots# |3 n. T4 h9 B/ O7 U& t, X
" _8 m" S5 I$ {set xmax 30) z) ]7 s, l* }0 V1 S% O) l# y# h
/ }1 x. H; I: i: Q9 @& A. e9 D
set ymax 1.0
) D( D; ]5 \# j$ t6 v/ y% r$ ~& t N- \0 M. q
clear-all-plots' f) E7 m1 `. F' Y" G' B
3 X: F3 C+ Y5 y: G" ?
setup-plot1
/ X/ h+ M7 C6 B$ G L! h* t
4 u9 m- z+ G( ]" Gsetup-plot2
: x- h8 T3 h6 P: F4 t7 \( K. x$ `; D% c! z5 T
setup-plot3
6 m" P6 j* C/ t9 }end
( s9 V$ M5 Q' T( X+ X. F1 A+ A+ S* ]" [5 v
;;run time procedures' \; P# T+ o8 J! i2 T Y/ [6 \
+ w9 a5 U" O1 d* H! Y9 Y2 K& k
to go( [2 X* j- X$ }6 w; } H N
0 `2 ?1 m3 [* F# p+ T
ask turtles [do-business]: C% j2 o- T8 m+ l4 r! D
end2 O& v& t2 u* t: f P- f
* B( D3 f. m$ ~3 M6 R
to do-business
4 c4 R; ?5 A s% s$ {& l/ {0 O" [: Z) k# y! x; p7 c, L
9 {& r0 U7 k X; l4 ^7 q* \rt random 360
: V& o, u3 a+ R) Q# D6 M S$ ?7 w$ ]( S' \0 n% X( L8 f
fd 1% m& z8 q& K6 S9 v
G) M- `1 F8 Q# A' L6 S6 {1 I) v
ifelse(other turtles-here != nobody)[5 ?' z' }) }3 k# Q6 l& ~
" N# X" a. k) E c) m% K, B0 v, k Zset customer one-of other turtles-here0 o, [. ], k6 b v* O* T( q* L2 d5 P& l8 w
& ?4 f3 [7 k6 w) P: i;; set [customer] of customer myself
" _& m1 q& F6 k/ i
( A/ K0 b, p1 j4 |set [trade-record-one] of self item (([who] of customer) - 1)
/ H/ A) i' y. \$ N) w3 H[trade-record-all]of self
1 ?) e4 g+ `) W% W;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
+ g/ C9 X- _4 d( h( p
2 E% f6 x& t7 \% P8 F ^) y+ Aset [trade-record-one] of customer item (([who] of self) - 1)' \% c& Q: {+ w4 X( q
[trade-record-all]of customer+ B3 d' ] z6 d- S, w
/ T) P% L& o' `! A' z# c
set [trade-record-one-len] of self length [trade-record-one] of self
6 ?0 b7 u: g, D8 s3 {. \/ ?, I
* L) ~/ n. G* A9 k; e. G; n: Aset trade-record-current( list (timer) (random money-upper-limit))3 e* \ D, X! ~! p
( A* L1 F7 u$ F9 R' N( k
ask self [do-trust]
9 E6 \: D& D5 ?- i k;;先求i对j的信任度" T% t: `+ a9 F. v& W c
- v* a; ^* Y8 q0 E3 p( K: j) }+ q
if ([trust-ok] of self)
8 v4 V3 \. O3 x6 X5 F$ C;;根据i对j的信任度来决定是否与j进行交易[
& Q7 f' _5 i5 {* k' Vask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
* h: T% E3 X( S& p+ G8 C+ r- g9 |6 Q2 V" r/ b
[* Y4 [; L* Z G& R( v
% K1 G. f# z+ q5 R4 O, M
do-trade
# Q1 D* a7 } ?- N! H
/ X7 g5 U! K* h3 m' Y8 _) vupdate-credibility-ijl
7 G% _; g% ?% v! ~, {
# x6 V$ G- w# Q* k* f, \update-credibility-list; {% c' L) h1 t' _, O c( ?9 M
" h& A3 {9 n% R, O! J: b
2 g; S+ I; q& g
update-global-reputation-list
* o5 b' [. R0 c9 p+ w' F2 R! ~4 B; V
: g8 G$ E" U2 `5 Y: ?poll-class2 y% O- d% ?8 L
. Z- J6 }6 u0 @6 P4 ^, J' X y( H
get-color
) E0 o, t. Y" e/ g2 \
1 ?- d' q8 w9 t" ?# a. |]]
. C5 k+ @% E$ @% B5 [( E
4 {! Q/ N* o" ?;;如果所得的信任度满足条件,则进行交易
4 m& f) G; o2 |- L9 H% l$ F
5 [' G* G. k' j6 I7 o[6 p9 S: P( n5 k* z: g
+ G; L6 @4 L0 V9 \; Y! U6 R
rt random 360& B- v9 r/ k: U) j
5 \; v7 P1 {* T/ ufd 10 X' T# b' b# Z$ R
! [: \4 l& i' d% f% f- L]
4 i! \3 H% s7 D8 H4 C1 ^ z: }5 N7 ^- a$ w- U- C, u8 q* H
end F; e3 w* @) I/ p1 C
5 Z9 X! K4 I! G# A+ b2 T6 fto do-trust
' p. Y* r. e$ q6 ^9 `% Bset trust-ok False+ [) E0 F. g) o/ j' a9 N
4 v q& _2 H7 k& K0 a: i& X% N5 n# E! A& I9 s) N9 t. t* e
let max-trade-times 0
8 S* ^+ W% Z K' {" tforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]* h& F0 x3 B5 Y1 ]7 y
let max-trade-money 0( S: H4 h3 ~- Z6 y
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]2 V A. @9 Y# [7 q3 Q2 x1 l/ k
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))3 r9 h) Y5 x: B: p E* u4 y" J
. x+ l6 z% W7 l0 s$ y
( q8 V0 T4 Z; I5 \6 G) f* }get-global-proportion5 T5 H& q- n7 ~9 \
let trust-value
5 a; o3 D' }! Z. r( ?6 V% vlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)7 t0 C& a: K# O2 V+ G% a' e( `4 [: \' i
if(trust-value > trade-trust-value)
! [- ~, L8 a& b% x. i& C; L[set trust-ok true]- \+ @9 D. b: }: e0 ~
end; g+ I9 `# f' v( p' d
% D A! B1 l' h D) x/ d
to get-global-proportion
; o7 T$ R3 z5 Zifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
% d0 D4 F: N- H& _- m[set global-proportion 0]9 {6 i8 R7 H: M* U; _7 Q0 f
[let i 08 Q& Y' ]; c8 I. B: }& D* k
let sum-money 0# X2 k1 s: A, E/ t
while[ i < people]/ L6 r* Q' O# Z: N% A/ I# C1 B
[
# \# X3 A1 {& ?4 [if( length (item i
. n7 E6 G* A8 H8 F" f( |[trade-record-all] of customer) > 3 )
" A$ q6 h, O' c3 X" d5 s[# t! V& A( W7 c
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
; d, n; {% i6 L5 x" W, A1 L+ ]]
1 @ B' c/ [+ d]
' j6 d7 i, a% s. @/ z- v* U4 Zlet j 0
1 S- }( p i8 ^* j& G( C2 }let note 0" \' @) P2 U( ]9 u' v. C5 m/ s# r
while[ j < people]
( b" r. @5 @$ @) o8 K[# y- j" S' W. V4 i. @/ |" Z
if( length (item i$ p! p0 s0 s$ a7 D
[trade-record-all] of customer) > 3 )
8 B0 p: r4 X {+ c9 W( |% K9 p[' a7 f- e' a/ `1 N+ R7 P" f2 ?
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
# c" m3 n0 h& R0 k[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]6 g( _. p a/ H4 X% Q
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
4 v# O" x G# _# N8 j8 |: F# P y]% f( K. l! m9 o7 O7 l0 \. N
]
( O; w/ H; O6 y; b. \ mset global-proportion note c( E% t& M; g) a
] R! [) |$ G) |2 m1 s
end0 w2 v; a2 ?1 W) N8 S' o
. \( L6 V/ ?- ~& I2 K/ oto do-trade
/ P2 B' F( d% W/ N( m) }: o# j;;这个过程实际上是给双方作出评价的过程- Y. M* L, t8 J& a, r/ S
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
7 u' R* ]4 P2 A) u8 Hset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
0 N: X- z9 E) z, {. [set trade-record-current lput(timer) trade-record-current! o6 w/ e4 o: ]- o
;;评价时间
# R. _: [, W( C! S/ pask myself [0 `, K: E& G0 t$ m9 B
update-local-reputation' ?" _0 B! Q' |4 [
set trade-record-current lput([local-reputation] of myself) trade-record-current
2 j7 f4 L8 ^3 M6 L) ?. C+ R]. Z* w+ s$ p+ n- d1 S0 _4 A: U" d
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself; o, @' R( k8 e/ k0 }4 ~, S
;;将此次交易的记录加入到trade-record-one中
# b2 ]/ m4 L. U" e* J1 a1 D9 Lset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)8 ~ l7 K! _" j- x' L+ l2 b9 K
let note (item 2 trade-record-current )
% g; g( [" D& E6 g- p& d2 ^set trade-record-current" @2 R. l4 Y9 K9 }( y
(replace-item 2 trade-record-current (item 3 trade-record-current))
6 N, l2 b' `* e( U8 Jset trade-record-current, J" s0 ~( W+ t& f g
(replace-item 3 trade-record-current note)
0 g+ M) a* |1 F- [' w9 w; t
/ g0 Q n6 @) y/ E% O! A0 w
) L+ {* n& G, l) H* U6 y4 oask customer [( W+ t7 E: _. S- I: \- M& z
update-local-reputation: O$ k* p; ^* ^8 o& m9 p) |5 V
set trade-record-current; Y- m& Q$ j4 e s1 x8 D8 h/ G. O* j
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) + I7 o( D! A' |& w0 v" n. F
]
1 |9 S+ F6 w$ l7 z) w- I
; w, R; `, a" @! |0 W, D8 Z, g0 h
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer+ l( U u- j7 ~7 \; B. M' h
& w+ U% o9 ~2 |+ Tset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
# v: Q# q* n. q, _; r) |: }! [% F" x;;将此次交易的记录加入到customer的trade-record-all中
4 W+ M- @9 i1 i; e, }end3 p+ I% x2 s/ v( k( p8 f( {+ S& d4 G
( T" s8 `/ D1 L `: b- a
to update-local-reputation# u% l) Z! w: r
set [trade-record-one-len] of myself length [trade-record-one] of myself
4 b2 H" W$ G9 J/ W$ S* J6 M' f9 P+ o q4 I: z
1 B: f8 B3 W9 @* a4 h4 Y/ K;;if [trade-record-one-len] of myself > 3 7 n' h$ O. D! T7 D5 r: N* D' _
update-neighbor-total( _( a5 v7 _* H4 \2 f
;;更新邻居节点的数目,在此进行
6 J# `# m2 I+ {' ]8 E& t' _6 glet i 3
7 w% N' w d Y& l- I7 Rlet sum-time 03 W- M$ t' {- M. c, Y( Y# { |1 M* ~
while[i < [trade-record-one-len] of myself]
8 S$ N: X# s: Q# ~[; J! M- o7 y/ u8 J
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) ). A5 ^3 K& T& o$ A3 r( Y8 u
set i2 c$ v: c, w3 h9 t
( i + 1)
1 }9 N9 O7 V' t: k. j7 W- ^]
: F; f) j" |* A2 g" H* ulet j 3
) C3 M3 K8 a5 |) f" K" vlet sum-money 0; n2 Q, u8 M- d3 I
while[j < [trade-record-one-len] of myself]9 Y4 Q$ j/ @& z% M
[" T" m. b- P" {$ S1 Q
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)
" g f! [% q* N0 Fset j
8 S+ x' D2 n6 Y2 d1 e+ Y( j + 1) @/ o& [% k5 R. t
], Q! |- _/ f# e3 A9 D+ _/ `
let k 3; z8 E& q; f. z% n
let power 06 m1 d7 W* R9 i+ T
let local 09 f3 R% W9 A# U" D$ i+ S
while [k <[trade-record-one-len] of myself]
3 j# C+ Z9 U; B[4 ~& |. B }$ Z) {: n
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) : u7 C- A3 C5 R" r$ V
set k (k + 1). s* v4 o0 k8 P' P
]
: s$ }8 m) z; U, Y/ dset [local-reputation] of myself (local)
- H8 K; I3 t4 }$ U0 |end3 R6 h t) p/ P- L( B" t; \
" M9 T2 ?& k# Y" u: @! Ito update-neighbor-total% i5 ?2 T1 k: `; \. G
: Z0 k2 v3 X: E9 ]
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]6 Y& }* U: N* \$ `
0 Z; c0 t7 Z8 k' V/ m9 p$ g
2 k( X# ~! T: R/ tend( H3 u; e' I6 Y8 `# G
9 a1 s+ T6 _& Qto update-credibility-ijl
t6 K; K0 P# F% F
. {- H% o: L" ?0 O0 }" \- c' m;;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。$ E8 L5 H% J. t) U* b {" A
let l 0
% z! R" o6 d5 t" U9 a. Xwhile[ l < people ]
' ~# R( |4 |6 ~$ w6 \;;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
2 U" y# I" S+ m[ X$ o z# R+ h3 i8 D0 w4 i
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
# V2 h7 l; a; a# W5 `if (trade-record-one-j-l-len > 3)
: k# R& y; `% E8 u) l1 w8 M/ ^4 [[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
. }- m$ B/ L$ q$ w0 k ^( }let i 3) n* D6 M3 ^% q& x$ c
let sum-time 0
, l+ h/ X8 q* Z( u: q% b- mwhile[i < trade-record-one-len]
" W+ Y# F$ P$ N; K/ [2 I+ `( R; D[
- F6 T5 t! L2 r2 @2 b t0 Mset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
: P: z; h w+ n h8 k2 ]set i
; c. N; _, L& o( i + 1)
$ U; |% m9 C: m# w4 [; f% n]
' ]6 m; w+ m" G0 M% Dlet credibility-i-j-l 0
. l! w0 o" q# j7 B# c0 V6 `. b9 q;;i评价(j对jl的评价)
1 ~3 U4 \# y- t6 e# jlet j 3
. j$ P$ k+ B5 y- s& [6 slet k 46 B3 F0 o4 M5 b& U* I
while[j < trade-record-one-len]/ g9 A4 W6 y. I F4 x
[
7 V- l, z6 p2 D( n) qwhile [((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/ ^+ H! v7 E# p5 D; R0 F7 T8 R2 R
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)
" v6 B7 D: R0 t1 O( w+ ^3 hset j
2 ^4 A) a4 E2 h# l! i% A& m1 {( j + 1)
* U% A( d ]" ^% H1 A/ \+ W, Q]
! Z* y# W! G% |* H- J" yset [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 )), E* ^# Z* s. k* Q2 r4 c' ]9 G
% ]6 r% A2 e$ L. D
. U' |* I9 u! U8 N& m: f7 Hlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))2 U' A1 M. O; O, u# X! f: ]
;;及时更新i对l的评价质量的评价4 t. ]) ]2 I& u0 @+ p8 q+ I
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
) h1 ~2 M9 v. W7 r) I r2 xset l (l + 1)% a7 d- V+ E; ~" v5 ^* E4 x
]
/ {$ [7 G% L# [6 \- y7 f8 t0 Oend
- [2 v6 l6 G3 w! q5 N8 Z& H$ F. {7 d' w* p8 F' Z
to update-credibility-list
0 p! r) b/ q. ?3 w+ x9 a% `& Elet i 0
$ n, C& z7 ~. Awhile[i < people]7 I Z/ e8 W# A) H
[
2 i3 u& p* J- klet j 0
9 H% j0 Z% E# ?0 e6 t3 \; Rlet note 0
. N+ t Z) ]! }* V; Rlet k 0
0 N. y9 {" }. P! P% d: ~* a. v3 X;;计作出过评价的邻居节点的数目8 k8 i' m) r3 L m
while[j < people]! u$ g1 E8 G" X- F. p5 Y2 G
[8 n6 Q1 k& w6 m- K
if (item j( [credibility] of turtle (i + 1)) != -1)& u. I3 Z7 s0 z Z5 I m
;;判断是否给本turtle的评价质量做出过评价的节点! a' w4 K' ?6 p2 p, j
[set note (note + item j ([credibility]of turtle (i + 1)))
: w2 C( k0 c+ u7 @1 b( {) j;;*(exp (-(people - 2)))/(people - 2))]: E9 Y. d- Y* ]
set k (k + 1)
6 y% U3 c7 A/ B]
6 e2 G- I2 z2 O+ @set j (j + 1)
* _8 H, S+ b! O& t* I* b], T, x* v e3 S2 u
set note (note *(exp (- (1 / k)))/ k)9 l' b& s1 y( B
set credibility-list (replace-item i credibility-list note)/ p; [% P$ T6 C8 N& j1 ]+ z
set i (i + 1)
$ W' V* O% e+ p6 V6 v% O# C]
& _9 C# ?" \% k) b3 }$ X* j# O; `0 d- gend( {' Q$ p2 U! {7 h: ?
0 _2 L" y0 k: x, j
to update-global-reputation-list
) K. W& ]5 i2 e3 wlet j 0
# r9 Z- O( ?8 Q2 q3 J; e: qwhile[j < people]- l% Y% `. B5 l4 o
[- K3 [1 N7 V; f5 E4 t
let new 0' u2 H, |; O v& }5 N
;;暂存新的一个全局声誉# s6 o; a: c' [" [
let i 0. \: I* C1 s- r- N$ m
let sum-money 01 Z3 R' T4 a, F
let credibility-money 0; D8 M& p" ]! c6 ~
while [i < people]
" e# ?# b- t L+ T) U/ Q2 i- z8 ^# }[1 @& K, d5 i! _* k- w
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
) B4 }2 \3 b ~; c: kset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
3 r+ M8 p& e! V4 X* I" v* _, H+ ^! ~set i (i + 1)- \) k; P9 f8 R# m
]
& [9 ]# ]' R( n* wlet k 0
$ P6 j' @/ A/ d( d6 _let new1 06 b0 }, H2 @5 S4 C' Y: ]# t
while [k < people]2 r7 R0 l% e& O' ~& n ?
[ u1 L0 u! I, u/ k, Z9 d
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)/ Y0 G$ e6 N8 t" N4 [$ {, c
set k (k + 1)
" t: _6 {% ?% ^) Q]" Z/ l4 o* w- ?2 H' \2 ]( _5 D
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
& B- Q. _! k! @& Qset global-reputation-list (replace-item j global-reputation-list new)
8 s8 h7 G0 M4 j7 F& I7 @. X: t7 fset j (j + 1)
: n; f z$ v7 [* N) Q' }, c6 ~]6 j' R: P" H5 C8 x2 [. `& B# Y
end* p2 j% r; m7 Y5 c# ^1 d% n p/ J
R- g/ F" @/ K8 t; n6 H
* U- o- \4 H. W" K8 ?) _: n Y
2 a/ D2 b$ B% t- U1 S8 tto get-color9 D* i& J Q4 N( E6 r
2 c9 h, i# J4 A" z* m. W' m
set color blue
: N, ?9 q8 b1 s9 zend
! v! D N8 S; a; U3 `
- S C& l9 @2 s8 L1 ^" f& Cto poll-class
! L0 \+ `" q" J% x3 send; l# ]& @8 N0 ]8 s8 \( c
& k; r+ ~8 v; `4 f! s" D
to setup-plot1
- P; a0 [4 `1 |+ Q% t- c3 A4 s/ _/ P9 w1 n1 K& u7 J7 Y/ k3 t u
set-current-plot "Trends-of-Local-reputation", {0 R6 n8 L, i: Z/ r
) W+ w* }; \( N! C2 {set-plot-x-range 0 xmax' i" Y( r9 t- T0 a
# b0 l$ Z% B7 j# sset-plot-y-range 0.0 ymax1 J8 U+ x: i7 w+ L
end
1 P1 y' F( R8 g" D) y( Z L4 N5 j) F& S4 Q
to setup-plot2
1 I$ o) {. s3 `- [- N: e) k; x# y1 \
set-current-plot "Trends-of-global-reputation": A& k" N/ T/ _7 p( i2 k
) O! S( P+ z( Iset-plot-x-range 0 xmax u+ t& F% C- B
, o/ _. e8 T$ _8 m4 `. _4 B
set-plot-y-range 0.0 ymax
: V* Q: Z g+ g" n, M7 P% ~. wend: J. l' S: V# Z! c) a* ~ H t
. L8 p1 R8 p/ {& K1 z
to setup-plot3
* R$ c$ E) i ~) G% L/ M# O* b5 Z: ~$ j7 Y y
set-current-plot "Trends-of-credibility"
# I- ]0 z8 \6 E; ~2 q7 B) F/ f0 [% f& D# c& R3 ~, ]
set-plot-x-range 0 xmax7 M, b, O/ g$ W1 ^3 V1 s$ P* T
2 s: k- |9 x' ?; ]
set-plot-y-range 0.0 ymax& r$ l1 k3 Q8 x( E6 ^/ H
end
6 w# m ?8 n7 x3 \
1 ~3 x* x4 ~ H" D) Yto do-plots
) E$ {( a( I% v0 b2 c) f- R8 Dset-current-plot "Trends-of-Local-reputation"5 I+ k3 r; e2 G3 s
set-current-plot-pen "Honest service"
7 Q+ M0 O W7 V5 lend
4 o5 A" y' o' |5 a6 ~6 a1 |3 A" M4 z0 b" z1 ?# D
[ 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
|