|
|

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2 E: w* p) A4 [
globals[
4 [) S- A; i1 s% q, |* W! [xmax
- p2 [0 g# B; X9 Z! `& Q- ~ymax
" F7 J$ w5 P; Rglobal-reputation-list
, e$ z) |3 t- l5 w. l g; G) Y; m+ r! g1 F. M* e5 @$ S/ Y
;;每一个turtle的全局声誉都存在此LIST中- T, c+ D) y# @! v3 J# V: D
credibility-list
) P3 I9 a1 M- _ g+ o P/ e;;每一个turtle的评价可信度9 Q% B2 _% N3 B* f" `# Z
honest-service$ [% _/ |* T" M* Y3 M& H6 a
unhonest-service
9 h! b$ N5 Q' J/ Eoscillation* X0 K& t! W& O( n
rand-dynamic- \' R" r4 u$ y# n# _6 g+ d
]$ [+ M9 J6 ~8 R: |
5 d+ \% _8 T" ?) }turtles-own[$ u5 D1 d# k) y$ O, u
trade-record-all. e7 |% y& j o( w( Z$ U
;;a list of lists,由trade-record-one组成
# m; y$ ~. W# G/ x! }# i( m6 Z; Ftrade-record-one
% k6 Z7 `" J6 J Y;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录# P, {3 v6 k8 K- v2 u6 Y- V
) F( q- J3 i) x- q: m! 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]]. w' Y0 x: M3 O& 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]
4 u6 Q! T5 W2 q6 `$ \' Tcredibility-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list0 R- }5 Y3 L1 x2 A" B8 `
neighbor-total2 t; F( ~, c" E W8 @
;;记录该turtle的邻居节点的数目
9 `# t* L" C, ^1 F: dtrade-time3 a6 X: }9 L, f8 L* X
;;当前发生交易的turtle的交易时间
! _6 o6 N: ]& ~, Pappraise-give
J2 t0 J6 c3 c8 J; s;;当前发生交易时给出的评价 X: l P: l* D
appraise-receive
: C+ @; {& G, S;;当前发生交易时收到的评价. k% L& T! E" w& G# @, a
appraise-time
, u7 a4 k) n: z: k;;当前发生交易时的评价时间
$ f4 F) H- c7 \) D5 qlocal-reputation-now;;此次交易后相对于对方turtle的局部声誉2 w! u- U+ B3 g+ L+ }, v" U
trade-times-total& g# _. r( @1 x+ I
;;与当前turtle的交易总次数7 r+ j, k$ c d: v1 P7 V) Q, s
trade-money-total
! t# Q5 `4 _- ^$ z;;与当前turtle的交易总金额% w6 ?1 k C9 ^, p
local-reputation# d! ?& n& }, O2 ^# D
global-reputation
: l6 \+ k) y6 U4 ?3 Wcredibility1 [& J7 f b' Z4 {- n( D
;;评价可信度,每次交易后都需要更新' n. S ~" ?( t! e
credibility-all
4 ~ v% A7 F8 t6 o;;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
5 m2 H4 o% `/ f9 K+ y& x/ I5 {+ t* _: j; _6 [5 n% p; |9 f
;;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
7 v/ H# W4 d% J- ~+ Qcredibility-one8 c7 b9 Z0 |4 m. M
;;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/ \( ]0 \) T- Q$ s& D# z, G8 Z+ E
global-proportion! j: X8 k# ^1 B4 ?+ \1 ^
customer* |8 s" R; z, y6 f/ {" i
customer-no
+ j+ O# m: R) W1 S0 [trust-ok
9 ` V/ q- I" P6 O5 Otrade-record-one-len;;trade-record-one的长度
2 X9 R4 s" k3 X]
/ W9 O# |0 l1 U* t9 j$ Z7 E3 w& w! m
;;setup procedure
; v% I1 s ]% P2 g4 E6 o
5 x. Y# a, m5 D" m( Q9 l. O# q" [to setup
1 h' R$ I, G6 z: F' |2 c) @& }) |# ]/ {0 J8 {7 c
ca1 A' `" J. \! y( y3 J* q& {
, Q3 m9 o. I8 Einitialize-settings0 }0 I# j t P5 v
( P+ ^6 J g1 n' ]+ N
crt people [setup-turtles]4 p5 A0 Z) _) R3 E1 F
& g6 P, |9 z( u) D# ]6 l9 R+ a
reset-timer/ `% f7 |0 F. N0 ]
: k0 |6 V, a/ G1 P5 {9 n/ C& b
poll-class( m) R2 ?! Y3 |. R$ a. p4 c
1 i2 {# @1 s, d8 ?% Ksetup-plots
9 E/ X# B5 T5 u6 S! S4 J5 c, }$ V+ i( c& ~+ P
do-plots$ R7 x4 Y5 g$ a* u4 {$ i# r) {! o
end
4 x& i/ y8 C6 t, L" k5 U8 _7 V2 }* o! d8 ~% @$ x
to initialize-settings: {1 r% S8 w4 g0 I
3 v0 u2 O% S: ~3 Xset global-reputation-list []
1 g- x* S+ d8 t- B0 [" E* O& y9 \" o8 j# R! ~
set credibility-list n-values people [0.5]$ ]& x T* d! a$ o2 g9 _2 G- ]
/ y+ ~, d# d, l4 e* a$ \9 gset honest-service 02 X4 M" W$ ?, L4 b; j5 R; x
* k* T3 n$ a, X4 ?- ^* k
set unhonest-service 0
- X# s0 x- S/ q" z# v
4 o0 X6 ]3 D% D) D6 }set oscillation 06 z/ s% c2 M. e
6 n/ G9 A$ B: h1 w$ Dset rand-dynamic 0
" H. s3 c7 \9 h9 H( iend
+ I: A4 y( S5 W( D2 l. v
' D7 |6 R% z% \0 K6 _* B8 C7 H7 o6 sto setup-turtles
9 t* D+ O! @# Iset shape "person"
- l0 g' U; a6 U# ]2 \" i. ysetxy random-xcor random-ycor
x$ k, e! U# f; c0 {set trade-record-one []
B$ j3 v) f" _* `. Z$ X6 v
- s6 }. j$ b+ w, Pset trade-record-all n-values people [(list (? + 1) 0 0)]
& e4 U, `& [' b' Z, g6 i2 O, X6 T+ p; c
set trade-record-current []
7 u/ J6 I8 }% j/ `set credibility-receive []$ r7 o/ o* ~9 g8 g/ |8 w+ N5 V8 X
set local-reputation 0.5
/ J4 k1 J& ^; b) I1 U* n7 \set neighbor-total 06 y6 j0 R. B ~6 M
set trade-times-total 06 H- n8 L0 G% C( a# y
set trade-money-total 07 A: V9 i- s) x
set customer nobody+ d# J9 m. p4 m
set credibility-all n-values people [creat-credibility]
( }3 i4 T' i/ ~2 n8 H( @. T+ Uset credibility n-values people [-1]7 T3 |8 M! l1 o! d
get-color
1 z7 _( \9 r( G) o/ I1 ^. {" K2 M6 }
1 h9 S4 _( C, P; R; [, C* hend
1 m. G1 q. x! K( U9 ]
6 L6 @0 S3 U$ fto-report creat-credibility
- E* y" a) l/ v T. ^) Ereport n-values people [0.5]
. Q2 |9 P( k6 Q: ~- R, g" L& r7 X! gend
' I2 c. \+ ]; w1 y4 }3 ?0 h5 T# z5 h8 [2 k+ X
to setup-plots
5 B/ Q+ I7 u% ]$ f' Y: {. T4 y2 S& d1 t @' g' [% g
set xmax 30
$ c* P$ _7 A7 B0 I; }
* _6 v8 q( j! h1 O0 Jset ymax 1.06 q; X# {# o8 u2 i1 N+ h/ q' j
7 b& A& _: `- w+ s$ j7 x0 E0 O
clear-all-plots3 E& w7 ]. f; W; b$ p3 P! `% C
1 `7 z) H* j" ^; ?4 z3 Y* lsetup-plot14 Y8 b' @$ V! y# D6 F: C8 r' g: _
4 A8 ~; @2 p3 y9 _) g+ xsetup-plot23 M& ]1 V9 E2 p M2 i8 G
6 \7 w4 Q% T0 P# s1 \, Hsetup-plot3
# p7 ]+ U2 U; K5 B3 Y" Tend: ~6 e# d" F8 Z7 T4 e% q
4 d# l6 ^% k9 A;;run time procedures4 T) p: K }4 p1 O- N. X* x$ B9 F
* U* \) c7 U# E, ?! J
to go
7 c% |9 W- F5 G6 m& ?" T+ \
2 j; m7 C ^. c3 Y: q8 n! Q+ Mask turtles [do-business]$ E& t* g8 R9 W, E, i
end
' {$ F* a) }: Z# J2 z3 _' D( R. x- x: F- P8 g
to do-business + s I) B S0 F) ^4 c3 N& ~1 n. Z8 j
6 @# U' z0 G2 y9 E5 T4 d% @4 w. ?% i( x0 v2 C$ ?- O
rt random 360
" R: J* z. U- U' m8 K* t8 Z8 l, L* K+ j1 @ c
fd 1
2 H! O5 P* T; P( k0 Z5 ?' h
5 A5 w. f/ f0 o! W2 lifelse(other turtles-here != nobody)[$ ] m8 X2 ^5 ?& K, z7 b
: J U; ?" A1 ?+ k* t( I, I5 eset customer one-of other turtles-here
. h! q5 n/ O. s- t: L& B5 }, a# j, b7 h& w4 f4 [
;; set [customer] of customer myself
, L/ o1 u5 L) C* d& @+ W2 D0 \, R' \& r/ k4 q7 v8 Y& C
set [trade-record-one] of self item (([who] of customer) - 1)2 i, F9 z( ^- Z- p& L$ A! E
[trade-record-all]of self% B+ r0 f1 K% ^ ~9 z
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self- A: d) Z' T9 D3 X( `
/ L5 l. |# G R
set [trade-record-one] of customer item (([who] of self) - 1)
/ l8 Q, C2 P) R: X0 z# n/ |, x0 J4 q[trade-record-all]of customer
! f+ l" K" Y( F) |
0 W6 Z( V L4 ~) @. dset [trade-record-one-len] of self length [trade-record-one] of self
$ B# E: U* Y" Z% D, E" e$ U6 R; t3 W# n2 n) g! m
set trade-record-current( list (timer) (random money-upper-limit))
4 H4 W+ Z- c5 R, c* U
0 N7 ^; E* R' p* l# ], Aask self [do-trust]: J& }5 e2 O( G- Y1 o: C
;;先求i对j的信任度
1 E4 a3 W- s( x* K1 ^. C2 L7 \
if ([trust-ok] of self), K9 M4 v7 r K) Y0 Q) q
;;根据i对j的信任度来决定是否与j进行交易[& y- Y& n5 `) M. ^7 c1 |( k( r
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself5 Y% k5 N. J/ E9 y
& P: b6 v v2 V% ]$ L# w. H" S[. H; u& p2 d6 f
: y; L9 A3 O4 g5 x$ b( k+ zdo-trade/ P7 }5 L9 R ?% @9 H- @4 p4 D
6 c- M0 O4 ?& ^7 h3 Y: J* ?/ D
update-credibility-ijl: l* o! }$ s1 c( `% i
# L& B* r. k% r3 S( B7 ?6 R) l! yupdate-credibility-list0 Y: v: v3 T. i+ `5 V, i
6 Y: @1 w0 k4 Q7 b' M8 X
9 f; i) k4 G1 Q1 g; p
update-global-reputation-list" r- r' s7 T$ j0 ?! k
' P5 T/ _2 ~& e7 k2 ?3 tpoll-class
3 d* [" Q$ u$ i8 r
4 f: L7 L7 q- H1 U( C, y, A# Oget-color
5 M. C7 N, r$ O
: z' d" X% p' o# K, J]]
. J$ U" y$ j* f" z; U* e, L- }0 R" N& [! ?; w6 k
;;如果所得的信任度满足条件,则进行交易
5 Q- S6 X! D0 N5 Z1 W4 L- f: X8 U# u2 K! {+ X
[
6 E4 \% X) c/ E* S2 A2 k2 a4 A$ h, Q
rt random 360+ [* w! ] Y) z/ v9 ?' M1 l1 v
' l& F, y9 o s: r Y0 ^fd 1; j u8 `+ n5 ^9 l
: K1 X) ], U2 r3 D6 U2 M$ v
]
8 g; r" ?9 p' O$ |3 A' n8 _
! W- {+ T) r8 S. `+ T/ [end
+ o) t8 j- v* y1 X, B! T0 W) c" M- I; f& X# M$ _
to do-trust
5 H D7 y' d& v" C( \$ Qset trust-ok False
0 X0 C5 A# o& F5 d9 m
% v ^# s, L l/ t9 M, Q V; M: d% m3 e4 P% r& f$ ]
let max-trade-times 0
7 X J9 \4 p! _* Hforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
3 f1 z V$ L7 plet max-trade-money 0. q8 m0 B* L$ `9 Z( ]
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
) w2 a7 h7 A4 i) I# hlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))6 [, ~1 w" x! q3 h
6 n. \9 }) P% j8 T ] r
% _4 }, P& a" Vget-global-proportion- U" O g4 ~+ _; B( S- z
let trust-value; J& X$ }8 N9 H2 f* }
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)
& t2 X9 V5 Q# }$ h I; vif(trust-value > trade-trust-value)1 s; d6 f9 E/ s9 B- d: ]
[set trust-ok true]
d1 f2 `6 ?$ rend
/ `; T, c, I; W- V8 l) b" K4 [3 a* h
to get-global-proportion/ M+ o2 t. G0 S! R4 i! P! c5 V
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)1 m9 D3 O$ ^7 }4 D2 G4 `# k
[set global-proportion 0]+ r1 U' p4 P. H, v
[let i 01 c0 @3 v7 p7 Z0 f% X9 f" W
let sum-money 0& Q$ |, K* E, E. s
while[ i < people]: ^9 G3 w3 l: W# L" m+ T
[
. \) G! O( b' I0 W8 f8 Yif( length (item i
4 `# r7 Y& I3 k g" ^/ u, t[trade-record-all] of customer) > 3 )( v3 C( |) F' D* G' q2 x" o/ {6 _! W% G
[ e( \+ [2 Z) }$ q6 X+ `1 w
set sum-money (sum-money + item 2(item i [trade-record-all] of myself)); x! D1 a/ a2 d g
]
4 o1 z1 n9 W+ q$ U4 `# R1 U" ~]
# g$ N: P! C/ y" L4 _2 e6 alet j 0: ?, [0 x/ I: R9 e
let note 0 W. t, p5 [' f$ m) _
while[ j < people]
3 ]) m/ I& r" m; V[
# y: H1 E2 y' i. m) ]1 eif( length (item i5 ^/ N/ x6 L+ ]# m) I/ e
[trade-record-all] of customer) > 3 )2 S! [8 T$ ^3 w5 H
[+ I+ B [9 ~8 K7 S' L0 i) I
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
/ K2 p& r3 A9 O( Z3 a, n( y[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]& p& s$ O% D5 d: A/ A6 i, g
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
8 m, f4 H8 ^* U% c8 }/ }" ], B7 r]1 ~7 F3 {# W/ F6 y+ {4 j
]
8 `- x: `1 p7 G. w+ k# d' tset global-proportion note2 X! p4 [* i/ {( y/ v4 y
]+ P1 ]# L& r# U# W3 q0 D& e
end
) T+ U+ k* S, Z1 x; V7 c8 l _8 @/ A: u* K% S
to do-trade
! p5 u" F" k7 \! g3 M. W;;这个过程实际上是给双方作出评价的过程5 [$ q1 }; F: I8 g. M4 ?) V
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
/ w' [( u2 T) b0 ?# Kset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
! b6 @7 c9 u0 k* J: {7 v! sset trade-record-current lput(timer) trade-record-current
( O" D4 ] w" ?! b6 a$ M H/ @;;评价时间
) _: A/ \8 a4 p9 ]8 I2 I% v Jask myself [
: D2 }1 H( J1 p3 I7 O2 Aupdate-local-reputation
2 L; L% T: G1 Iset trade-record-current lput([local-reputation] of myself) trade-record-current
+ B+ x s- }' {]2 Q( Y7 u* u+ H7 }
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself( e+ c) q3 C$ @
;;将此次交易的记录加入到trade-record-one中
' R6 U. S7 G8 p1 M% v2 r* r0 }) ]set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)7 [6 X" V) e2 O! X! b b2 S
let note (item 2 trade-record-current )
* I0 h, w# ^* y* W5 N6 |6 gset trade-record-current' @- \0 G* i$ C, u
(replace-item 2 trade-record-current (item 3 trade-record-current))$ p; Y6 d1 L! q4 E* f% F) z
set trade-record-current" ]. d9 [1 m) `' R
(replace-item 3 trade-record-current note); X: O* ^0 \" Y+ h0 q7 `
8 Y) z$ Z5 h. p
3 u7 e1 p* A/ { r6 Y" b3 F8 l8 Bask customer [
% m+ z' _4 v$ w0 |( Lupdate-local-reputation
3 s, u1 ~0 @& ]9 V3 wset trade-record-current
" ]: G/ j) h2 u, c) @$ X(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
1 {% @9 ~/ N9 O9 e]
2 c2 u2 E/ y# s& C$ m" N$ a) _( b) X7 r4 j. z1 H
" A% I+ n7 L6 x! {$ ]8 d
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
{5 ]# T' s( l) h, i6 a3 N) ]& A* v3 o
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
4 k! J' v$ R6 r; E5 p! \/ p$ J% |, K;;将此次交易的记录加入到customer的trade-record-all中
7 v8 p" u3 {, |. T7 ^# nend
. m. }, `& n$ [( t# S/ v
4 |) ]6 ?! Y/ d, t D0 Dto update-local-reputation
/ h6 P( v" H9 E0 D- D& h) `: bset [trade-record-one-len] of myself length [trade-record-one] of myself
3 ?8 x- X9 g- h8 p% H, k' ~4 g9 M1 p7 P$ Z+ A6 W" a
) k) v' L8 @# ?, v. y;;if [trade-record-one-len] of myself > 3 - x5 B9 ]; s3 @. a3 t: [9 {, H* C
update-neighbor-total
1 w4 }! |- _* j3 X+ t;;更新邻居节点的数目,在此进行4 ?5 G4 o9 ?4 b2 D
let i 3
8 }/ c B' S1 M9 V8 I) Y; jlet sum-time 0: f, U! ~9 a S& \( }$ Z
while[i < [trade-record-one-len] of myself]
; j) C, ]$ l9 ?) @/ f" D[
- Q! o, X& j& f5 pset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )/ y1 @9 \1 T, e
set i8 P6 Z' M, \" H! k u% \$ }9 a
( i + 1)% K8 M8 \$ ~1 Q2 c
]
4 _9 F# }* U: d6 S4 elet j 3+ w- i( Q5 Z' L$ Y7 L0 f W6 F
let sum-money 02 N, W3 X- R4 e$ {" \
while[j < [trade-record-one-len] of myself]+ ^: I- p! j9 N/ M& Y B. ?* u
[
9 f- \2 u# z/ J7 E3 q8 i7 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) r: v" [4 _2 a& ^- f# d
set j
3 L. _# h/ d+ y% U( }( j + 1), H& k- J1 |/ F
]
7 a' K: U' p# m- e1 O4 }let k 3
/ p8 f( ]6 T8 [% [% Flet power 0
$ g ~2 h: [5 ^5 s- Qlet local 0) ]. ?: c$ W% ]: y- ~
while [k <[trade-record-one-len] of myself]/ z& |, x# q7 V9 F( Q
[- f. O- Q/ p' z
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)
3 Y( Y$ }/ B# N8 j: S* V9 k% Jset k (k + 1)
+ N7 l1 I0 q m, b, v]
4 F$ d" d7 ?/ p: I+ Nset [local-reputation] of myself (local)
* }' v9 X' Q6 p0 C* p: F2 xend
: [) ]5 w, V& \ y+ ~! f& ]$ k4 I5 D3 l" b S. R. @7 W4 ~
to update-neighbor-total% c7 O8 [4 D: z
6 C6 F" K6 O- H) |3 Q3 w4 x
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
% f# F8 H% i- f# J, ?% ~- L
H4 z1 p0 w3 [( n K5 r! e( }0 V' P$ ?* ]7 d
end, j8 D( u& j! x* Q; h- [
$ Y* Q7 V( C8 G Z+ [( Cto update-credibility-ijl
+ ^, [0 \% e6 D9 `; L- n
- }! P s) ]# z: F$ s;;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。
9 n* c' j! S; X" x" K$ K& L klet l 0
( J+ c! E+ q3 X" r7 Vwhile[ l < people ]) Z3 n4 f" N: | ]" a4 f
;;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4 m5 E- [, n0 Y5 X t4 l
[
( T9 R& G' C. ~' o/ F flet trade-record-one-j-l-len length item l ([trade-record-all] of customer)- z* F& y9 h. B3 x- p
if (trade-record-one-j-l-len > 3)
* o! ?& e5 Q) Q6 R" P[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
6 b* s' {2 X! u, w8 k: C. ]let i 3
) J( | ]3 E7 ^; |3 Q0 B) _let sum-time 03 v x2 R$ s+ m" W! E0 p6 I0 y$ Q
while[i < trade-record-one-len]
. \5 v! f! o4 m# |[3 g- r1 [6 g) y: v) [
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
% U0 x0 E; `& q5 j' _3 O) qset i, X8 s) b, ?6 @2 k, ^
( i + 1)7 z. C6 Q/ U' p c- o8 a9 v: k
]
u/ E9 u# Z4 vlet credibility-i-j-l 0
* R6 p% u# D z/ t% A' Z5 p;;i评价(j对jl的评价)
5 g% Y8 B& k1 ]2 Ylet j 3
: r* k7 H5 O3 N0 p; ]# ?let k 4
" n( j; _" ^* Y1 {6 xwhile[j < trade-record-one-len]
3 z# S- F% p% m/ N, Q8 u[
: c2 Z7 G$ h+ T" M! z+ ]4 f3 Fwhile [((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" B* G5 i5 g5 S8 }) d' h2 K- [
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)
: R4 W4 W3 k$ C# r* ^set j) w* y5 O3 }/ l7 T
( j + 1)
$ t, A* V% z" g( ]' o0 j8 O( X3 b]# ]; ?# c( \. L, [6 y! S
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 ))8 n+ U& @5 |/ a$ r
3 f) ^! j: X( {1 ]" {* y; N( ~
' F6 P k' K( f/ l. W! Hlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))) u0 C4 n" D- |& W
;;及时更新i对l的评价质量的评价 P: F$ V: A% B0 T! _9 [6 c! d
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ] u7 m$ A; i% I }' t7 d* k. T4 G
set l (l + 1): v l q- Q" f: a7 D* Y, `7 @
]) q7 B! f4 {7 w
end7 u) F) m, h2 w$ l! m
/ c6 L# ~5 }- [
to update-credibility-list
2 E9 V: } W _) Z) e/ Flet i 0) [$ F- j! v: _5 S5 e: h
while[i < people]: R# V* Z/ }. e# x
[
' s: w6 _; M% y2 r0 n7 U+ z( alet j 0& ~; { R: q# n2 s
let note 0) i' O+ j9 Q1 w% y' b1 R) w* L. [
let k 0
$ _; G0 Z* n* m;;计作出过评价的邻居节点的数目
" j/ {# }4 M2 O0 ^* \7 [while[j < people]8 m/ c: R6 ]( V' S
[
5 k5 F' Q0 a* ^if (item j( [credibility] of turtle (i + 1)) != -1)& Z$ B* h( @( z, w: } i) H
;;判断是否给本turtle的评价质量做出过评价的节点
7 a+ H% n1 {! J1 A[set note (note + item j ([credibility]of turtle (i + 1)))7 [; e! Q6 N) q* K$ t5 h) f
;;*(exp (-(people - 2)))/(people - 2))]7 e- F9 s1 t2 I
set k (k + 1)
, H7 L6 O/ r6 M, p. G5 `( m8 ]0 h]
+ i" Q3 x* Y2 X7 Y3 Zset j (j + 1)$ {1 f% {( \3 T" u2 }: t
]
4 s, f! }8 D' k, L/ Sset note (note *(exp (- (1 / k)))/ k)
4 X6 G6 R. w1 g5 {1 g. }set credibility-list (replace-item i credibility-list note)
+ ?; Z6 u# h# yset i (i + 1)
6 z9 R# R8 r3 i! U' J1 ]]. ]9 ]5 o/ i+ O4 s7 |6 g
end
, [! K. y! E$ H; l4 B: T/ v
0 l* a+ Z. x# L3 b8 s" U1 Pto update-global-reputation-list% ^7 `/ W8 D1 g' D3 M4 ^& |+ }& P
let j 06 Q6 h5 J2 G5 K x
while[j < people]
: T, ?+ X) p N1 g i8 u* V4 m[
* ]& g+ a! p) V* p' ~' A2 S" {let new 0
% h, n8 q4 h7 Y8 e6 T;;暂存新的一个全局声誉% A$ }: u8 U, p; ~1 h) `: D# V
let i 0
; G" S/ \1 \3 l! P* l" flet sum-money 0
/ S6 B. x1 C- z* b1 y, elet credibility-money 0
* v$ ^" M, [; k2 [* \while [i < people]; W4 T1 i; E8 |+ V9 `
[
7 y( Y( k9 Z9 a' vset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))6 q1 d1 H H' }3 ]3 J% |6 X
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
8 X) |: L8 T+ y2 U: E, _set i (i + 1)
. }6 ?9 I/ _2 d]" _+ X& Z7 A7 Z/ G1 v# {
let k 0
5 L P# o. Q- r+ rlet new1 0
/ {' y) m4 x/ e* twhile [k < people]5 {. U! \ B( ^$ ^
[
+ p! c% o4 W. h- |" ^: nset 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)
0 c, d* V5 A& w$ {$ R$ iset k (k + 1)
) e, R$ x$ I7 e8 @# p]6 C9 u/ v" o( d" u
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) % F; I8 N1 x0 M2 H9 y: p
set global-reputation-list (replace-item j global-reputation-list new)
6 W- k4 i9 i2 `2 B8 [9 fset j (j + 1)) P! I' f) f0 |( G
]
+ e" U4 d ^, Q6 s" q1 ?7 s! `! Oend4 s3 d8 \: R& H u+ W- F2 z' K7 I
; \' w ] }; u* A9 g- @+ J$ G7 u+ d. T. F9 h9 I0 W
/ \, w/ Y, ^" j, @to get-color, q% y( C6 s3 A, _" p! z2 T( M3 U
( {2 m5 L' t. t- S
set color blue
2 J0 Z5 a% [& J& ^! f9 tend8 k: Q, x' x+ E
- N# q8 z, z0 o
to poll-class$ Z5 T7 V) z, X
end S7 F0 d+ _( o6 D- T* P
2 K+ {' A+ O4 \* J1 dto setup-plot1
! }0 _% K* y$ a$ V% X0 L) Q3 `% Y, E5 ^! V7 b/ a( k- f
set-current-plot "Trends-of-Local-reputation"
9 T8 L5 l' E% `, Q: l, I) L- P# z6 D
set-plot-x-range 0 xmax% t' I6 ^, { |2 v
- ~; X$ Q2 T% o5 w4 b4 ^0 z, V- g% J
set-plot-y-range 0.0 ymax( p4 ], A7 C+ R/ I: V- R
end
7 j" A; @/ G5 A: D) e/ \1 m: h H* M8 w1 q6 C9 V/ k
to setup-plot2
9 G3 O; F/ X, n3 R- t/ f% J. R, A3 f6 ` @/ j* m
set-current-plot "Trends-of-global-reputation"
/ N6 ^0 j" @$ u5 p! y% @' C7 u! ~/ n# S0 d! Q0 G2 k) P
set-plot-x-range 0 xmax
$ G$ @ D5 u( |
4 K8 x7 Y+ P8 jset-plot-y-range 0.0 ymax7 S: a5 ?/ n0 ?: R
end! z4 z4 S7 }; J9 j9 d/ H
# x$ w9 V0 h5 I1 m. S* S+ d$ f, S8 ^
to setup-plot3
8 }! f" }9 l% @- q( c( z) S
* G6 D7 N' A0 Cset-current-plot "Trends-of-credibility"; T9 C6 O0 l) q+ {* m
e8 R. g: Q& D( O8 k+ mset-plot-x-range 0 xmax
: }- J! H5 l$ C. t; I$ ~
- p6 Y3 s) D2 W- t' A1 K" Mset-plot-y-range 0.0 ymax
5 r" H& \4 m& i7 v/ ~end9 ?4 J7 c2 O3 D& e, l/ i
7 p0 s! ~- {; |3 @3 k7 c) [7 A
to do-plots
5 |1 M+ N8 p( w( d5 [; Xset-current-plot "Trends-of-Local-reputation"; d; Q' x* F0 x7 a+ R7 J
set-current-plot-pen "Honest service"
w+ N$ Y# p; i3 E1 C5 Qend+ E; T2 N7 a: r) l% J
# d9 I* c' X$ |# l9 Z
[ 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
|