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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2 S: Z. e; O B( j
globals[( T/ X9 F# J9 D1 i
xmax
7 I! z' ?1 a% Zymax8 H" v# J+ Z" P. Z/ ^7 [
global-reputation-list+ A8 w' H' |3 Q5 ?
8 I; X* Q- f7 N$ J;;每一个turtle的全局声誉都存在此LIST中$ ~2 Q) g. p& i) }5 q% ]7 N* o, a
credibility-list
3 L5 T3 F- Z8 D$ O) h8 W! n;;每一个turtle的评价可信度
! P& o9 b* U% L4 Fhonest-service/ z* F$ F- G2 S8 u3 V2 o. Z
unhonest-service
, m4 @2 M# s ]/ T" m/ Joscillation2 y3 b: v8 f" C
rand-dynamic4 J# w3 @ n8 b
]
5 ^+ T* p3 _ p5 f r6 L a' Q% m( @# t( L/ J2 k% D
turtles-own[9 F0 n2 W) n5 W5 q
trade-record-all- o0 A: M4 a' u) |/ v# _
;;a list of lists,由trade-record-one组成
3 @! L$ I! N: W4 B+ m9 }2 Xtrade-record-one5 w K. K9 w. n3 N6 z
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录8 D' t9 S4 Y, V$ u' f
5 p4 o. t" l x; y- k' L( v
;;[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]]; U+ ]2 q1 J& G J! [7 d
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]( N8 P S+ S# u$ H1 w/ F5 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( [, E# D; `) i% J# m
neighbor-total
: y5 w1 E. t* ~7 a- ];;记录该turtle的邻居节点的数目
8 R* A- ^1 u& _0 ftrade-time
5 J0 k: n* g( ^. y0 W4 v;;当前发生交易的turtle的交易时间
9 ~- Z- p; s6 f: ~( j6 u) m. N: R8 H7 ?appraise-give# W$ h j! ?, ~
;;当前发生交易时给出的评价' v+ H# w1 h9 _3 @
appraise-receive4 L/ c3 W# F1 F$ K8 o9 S
;;当前发生交易时收到的评价
1 m! b* ^& N5 {9 ]- O \' uappraise-time0 |# o% n3 Y$ ?( r
;;当前发生交易时的评价时间
$ t; s w6 S0 q0 z* I7 j- L- `3 p8 ilocal-reputation-now;;此次交易后相对于对方turtle的局部声誉# w4 f7 b' A, E
trade-times-total
# n& }8 {: h( J, I;;与当前turtle的交易总次数 l7 O; \$ _0 w) T9 b
trade-money-total( X0 n, `- T! t* g/ Y, v
;;与当前turtle的交易总金额
4 C# c, S+ ]4 I. A2 _4 tlocal-reputation
$ R! c. w. \8 `" i2 S3 }global-reputation# e# C9 w) A) T$ S# \/ t# }; Z+ U P
credibility
& B. ?6 w; H. T9 q7 F4 u;;评价可信度,每次交易后都需要更新6 _8 R. H6 S& _6 R8 \
credibility-all" Q8 E* Q. ]& p& l# o# v. s: ~
;;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( H, Y. h/ ` P$ X% R
2 Y6 L+ o$ i' a! U' W& b* a;;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0.55 x3 O) f+ p/ }/ k" ]& z
credibility-one
7 M6 r; q! y2 p$ 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7 _' O+ F& ~- k7 w
global-proportion
9 @3 J( ?" O6 l+ ^( V. \customer
" k7 @5 z$ S+ r, X% Y" bcustomer-no
* i" x% m7 t* j7 s1 Ttrust-ok- ~& e. e# f* |% S9 c
trade-record-one-len;;trade-record-one的长度: j7 }7 p" n$ `. d6 K3 \
]
6 F0 W. o# T$ m3 Y5 A' x; A* L$ R0 p& ~, e: d6 t
;;setup procedure
4 r$ V: d2 _& @9 D; N$ X7 g3 _. }6 }
$ S0 u% p0 ?2 G' P: pto setup
( e) I) l. p" @) P
& v) x) ]! K! U$ p1 sca
1 @7 f$ c: A! n# t- a- V S$ G# J3 A7 @5 @* V U$ T. L0 V! Z9 Y
initialize-settings
( W: n( v+ \4 {9 d# s! C) t3 E: l6 ]0 \8 C; w6 s. }% S! {
crt people [setup-turtles]
& _$ H$ D9 M* _' r3 u; |5 h( Y# y8 z3 K- W
reset-timer
. |8 Q7 x$ L: J( K/ X* }0 q7 S0 O! T8 [: m; Z
poll-class0 V' z) r; s' Y7 r) O
( p1 G% _4 U: u2 E7 U& ^5 R; W& hsetup-plots$ B- ^/ k9 _% Q9 f# n9 ?
n7 R6 ~/ C' v# n Q+ a Y
do-plots7 i$ g3 s+ e4 f+ K3 X3 Q
end1 E! F( d4 U' H# T5 [4 F6 i/ i1 P
' z, @# o$ g A6 ?5 N& P
to initialize-settings
7 p( P( f6 e) F* \: c! j0 y7 u. K
2 y! `8 m c- T) Y( Zset global-reputation-list []. n1 k! Z ^# f( M2 m* f
# `9 l& V# F% m- A9 a) a* n% T
set credibility-list n-values people [0.5]6 K2 n/ |6 h. j
$ A) X2 Z$ b4 C2 X: K
set honest-service 0) N! P/ f7 a4 ?4 B& B' L
7 P; r2 Y8 \- c
set unhonest-service 0
: f J; O2 s% y& p
0 K8 K8 B0 L9 Y! S5 A( }2 D' |set oscillation 0
( k( y0 T. k# O: R* m7 s7 {4 A3 W! A9 ~ @
set rand-dynamic 09 u2 u( r B7 E
end, {0 O3 j: R B( ^; o8 H: _2 p- ^7 c
1 u4 @3 v3 o; W) l; gto setup-turtles 2 q- j4 h7 g. B8 l
set shape "person"* ^/ o$ j$ U# ]# a. i
setxy random-xcor random-ycor
: f* h4 K, z' n% _: x6 V; Aset trade-record-one []
+ [7 @) n" {. @4 O) l" i) q
- }+ C. I0 w& `) q1 W6 tset trade-record-all n-values people [(list (? + 1) 0 0)] : }& u; o- o5 D) @% q
5 z" v5 l; i# }* ?' t9 z# D
set trade-record-current []9 f, c0 ^) }" \
set credibility-receive []7 W7 u, x, |) [- I0 Z" A
set local-reputation 0.52 k( _& v% O4 ]5 a8 Y3 M! h
set neighbor-total 0# o+ o9 t4 @; B
set trade-times-total 0# m4 ^& z ?; G7 s; b. j
set trade-money-total 0
4 z/ \3 y' |: e1 |set customer nobody- _" O; Q& g8 e
set credibility-all n-values people [creat-credibility]
, M( b8 X/ `# I) z6 y" F# Jset credibility n-values people [-1]
. f3 P4 U5 t2 ~: P" y* Mget-color8 `8 i3 ]7 n: c! `" w( E
* D! K( K- X, U
end
' d! Z5 W# |4 _; u& ^! f7 a! h
8 m2 Z5 r! W Tto-report creat-credibility
1 O4 e8 s: z' L2 sreport n-values people [0.5]' i: o' V) i6 X: \% s. ]
end, p1 F [+ ~5 q
" Q" y3 J4 s q1 sto setup-plots1 o+ [, z4 z& t1 O8 d: ]
- y% [& c6 P" u" o* Y
set xmax 307 `5 X& T, k F) I$ i! y0 Y4 R
! _. |8 ]: Y5 o0 Z6 Q( E% Sset ymax 1.0
* C9 ?. b/ L( T" p2 o
* U# E. N$ |4 t) \0 B3 G7 [clear-all-plots
+ G+ J2 n6 y% W2 Q" o6 e8 s0 U$ x) g5 F
setup-plot12 v9 z/ W( H. b. P0 O- s
, S) n1 g5 g- S2 C6 Esetup-plot2* d9 B' q' n6 o8 h# a
7 [/ F- _$ l. G0 E% {6 U! B. a9 b
setup-plot3
+ r; c* i' d+ n* o' `, q4 |! rend
( l5 y9 \6 ]! x% K P) R) D- L r* r' F" M6 P
;;run time procedures; D# w. _3 u6 C* N. t6 x
: D, I# h2 }! u1 e$ @8 S0 a; Zto go
: }# i$ a% U, M
% t$ F- }* y2 p8 Lask turtles [do-business]
3 x) [ C: H, T) {; aend
- V' Y% ~* ^0 n+ U0 x
' j; v( h! [# t( ~) I. |to do-business , u/ i4 P3 _! ~
0 z K$ B5 Y) K) ?
2 b# x5 L4 D, `$ S4 p
rt random 360" H0 P7 w( [6 Z" ?. Y+ m, U% t
$ s% b8 X6 E6 O, I% z }
fd 1. e* [0 B! O" e1 E* _
( U7 |/ Z/ v$ J5 m, ?ifelse(other turtles-here != nobody)[8 }/ o5 \4 x( m6 a% [9 v
( P' u/ V* h7 a1 a' T' ?set customer one-of other turtles-here1 p3 u$ t$ \+ Z% L8 {3 n
' K$ [- Y. x; H7 @
;; set [customer] of customer myself# p9 K$ r& ]5 ]* h; Q% b4 o
5 m' a: g. _# C' u" E4 S- z# R
set [trade-record-one] of self item (([who] of customer) - 1)
, }. T% k* {9 o5 k3 Q! v[trade-record-all]of self7 ~- l5 T( J/ d( d% [# s, U
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self3 j1 F: p( l/ c& N1 n# \1 M. w
" K6 H: n) @0 Rset [trade-record-one] of customer item (([who] of self) - 1)/ I: ]+ d# z3 T- b+ C7 Y5 ^1 K6 [
[trade-record-all]of customer
3 `9 ^! j8 a; l, ]* S- `# X. v
6 C9 \# H; O) B- @& zset [trade-record-one-len] of self length [trade-record-one] of self
6 v, u& i/ O" P, C2 I! q0 c9 l( t8 C8 b) L; k/ Z. v) F
set trade-record-current( list (timer) (random money-upper-limit))
& X8 r" L0 d( m8 X9 y1 u
, i; V) p# f/ P* n" wask self [do-trust]) n: i' g' q0 |1 I7 V
;;先求i对j的信任度( E, ~) Q" a/ w3 o* H& C
6 x0 [+ t* _- w) @if ([trust-ok] of self)
; X; H' w2 J2 U0 h, m$ q9 f;;根据i对j的信任度来决定是否与j进行交易[8 H3 H0 e" \+ {/ @; L2 e
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself& h4 ~4 `8 f- p; A$ s9 A9 ~' F+ g
" [( `+ }( J3 M
[
, w6 n2 c' K W x1 v; B* T# q( q7 ?
do-trade
, _) q) L2 l, C) t# S- k
; y6 V" l* k- U3 m# J% N7 `9 ^" \9 r( ~update-credibility-ijl7 u8 T' d$ {% Q4 q+ n+ z* k+ S
2 Z W8 Z8 e/ d7 w+ O
update-credibility-list
1 M0 c6 U+ ~8 o! w+ S$ C6 M H, U4 f5 D+ z. k/ ]+ |: `
! G* c$ F1 N4 q$ A# D) lupdate-global-reputation-list
7 C7 w& N. A) h7 j# P
( I* l# [8 l, [5 k, q% ~# s, xpoll-class
2 g h! L, z- B. X# }
# c! j- p$ Z; N5 e: X0 H' n9 tget-color
! A- I/ k' g0 G) U7 w e
+ A: ?! x0 V6 E]]6 @0 I1 f* z1 V$ ~8 ?" M/ r; S
, N- r% J6 c9 \: P5 X;;如果所得的信任度满足条件,则进行交易
8 J$ g" J& r2 @. F# o4 F% @4 [, S+ K9 B& x* |' `0 v2 Y
[' h2 T% Q% L3 H- \6 w" j) w2 ?
: H$ N, D% I0 n; A$ {rt random 360
) C: {1 v4 p- s8 F3 H2 c' I2 t( U& Q0 V* C
fd 1% C' v4 `0 ^ V' K
- R% g/ u4 B6 m]5 `8 R) g" ~2 S
8 m }7 U& H% D, v" z3 ?# r
end: r3 u4 F- v. [8 s8 r3 f" \ S. v
x& m# W. [% b- M D
to do-trust 4 X/ A1 u: }* x" u1 k
set trust-ok False
) a4 ]: Y8 s3 P% [7 a* q
8 t( w0 r, l+ e
1 q3 r `1 q. o; Ulet max-trade-times 0
+ _( Y1 _: v* h/ \' tforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
5 u3 _7 i+ A# F" p4 k0 S" @let max-trade-money 0
4 i& R( n. Y3 ^8 O) o2 O9 }; L2 sforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]1 b/ K- P. }( c1 L8 ~0 ^
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))0 |7 Z! `' i( `: T P, i
H' o' _9 W* Y& d; V& z- u
# R, \+ [/ U f5 O6 N( y# }get-global-proportion
3 `8 L; l7 O' B- Q9 S. alet trust-value
& D- p) x. |7 g+ Z, l0 elocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)
- s1 a; b% l8 J$ m6 w7 |if(trust-value > trade-trust-value)
( s# @, t: I: l9 K; Y( T[set trust-ok true]* p& X6 t7 y( \- H
end
+ ^5 z5 k( i& g0 I6 t) Y
@) G( B3 J ]. Tto get-global-proportion# |9 D/ `6 E/ W; o5 M% L" W8 }2 ~# G4 ]
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
' ^- n3 R; {% G$ y5 @$ H. `$ V[set global-proportion 0]" e/ u0 w4 Z# w, O
[let i 01 D8 E4 J1 ~+ j4 B
let sum-money 0
- E7 G- x) O$ bwhile[ i < people]' K5 M1 l4 F9 [' l2 O& @% J
[
' C1 Y2 ^: v) P! Dif( length (item i4 s$ H) Y, q4 B# O6 d5 m) I J
[trade-record-all] of customer) > 3 )
2 G7 {* L( i. }% U3 }[) [6 ?: r. Z _1 G4 j# |
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
3 Z& g% r# N& b5 F& z' h- N6 x5 R]/ W5 r! X) {5 R1 W M! l0 d7 d
]5 x5 o: H+ f/ W
let j 0# b( l' I- X# I5 i& B( G; q0 C3 h9 p
let note 02 n O6 [8 T/ m" l B! v
while[ j < people]; E1 s1 W3 U1 ]! U0 e; j
[
. V/ O8 [9 p1 Rif( length (item i
I$ \7 T8 ~) T3 ?[trade-record-all] of customer) > 3 )
7 F+ X/ [* e+ x4 W[( x8 ^+ g, `8 _3 R( c+ U4 L
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
: P8 k: j8 M, \, j[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
& Y$ U! [0 |+ b) ][set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]
- b5 v/ }8 M/ {9 A) @1 \% @$ O& t]% K, e6 y! Y' |7 p( v
]. y+ L3 S5 E1 X; o6 Z' @, X
set global-proportion note
% T. H+ |; c# r! t* |]
$ z0 ?: X7 I% P* V3 R! _end4 S( m" ~& q8 j" u4 i
9 w- }* C9 l& u' l, ?to do-trade. Z2 o) k9 W6 q3 `3 X
;;这个过程实际上是给双方作出评价的过程
& y& ^0 }' O# w" T/ w) k- I. uset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价, H# f- u" F9 Y/ H
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
2 R$ X5 E% P2 S! U1 d& Eset trade-record-current lput(timer) trade-record-current0 K1 z' m& R: ~: I8 M# l! B2 v
;;评价时间
7 h+ W/ P. w6 A$ b2 Task myself [
* \* y- c5 i4 C7 k3 Oupdate-local-reputation
( z( k0 H/ E0 T5 v, yset trade-record-current lput([local-reputation] of myself) trade-record-current
: r0 a/ A! M" I0 L; U0 K: @]
0 q$ ~: n. y ]% l" M/ A) C# i5 xset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself1 @5 x6 w/ R% T
;;将此次交易的记录加入到trade-record-one中' c+ H& G4 l2 [0 a
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
) e2 e, |% t2 Mlet note (item 2 trade-record-current )# F$ Z% o, X7 `' Z& e' |
set trade-record-current* s9 Q4 B& t, c% T, e
(replace-item 2 trade-record-current (item 3 trade-record-current))7 W, l. M" n6 `: E
set trade-record-current0 L4 E, j- E4 P! G% S0 c
(replace-item 3 trade-record-current note)
1 |' J4 O: k$ M% S7 v, Q% `3 O0 x" m8 J. q0 [* N9 T$ T; r8 A) \6 ]& F
9 S0 V/ H, `4 T5 c; g+ Rask customer [- s( A8 j* {$ h8 R
update-local-reputation
0 F5 C7 t- r0 o9 n( w6 H* Rset trade-record-current# R( z0 F4 o. f8 F
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
0 A: n7 ^% i+ U1 {2 z]
, ~, G# T+ U6 a; T; D3 ^4 Z2 R. A# X5 W, l$ K9 q: {
' `/ @& ?; e% @# {# t. s, ?3 [set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
4 B, n# ]6 o n# @) E- d4 [; ^
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
$ [! q* r* _0 c;;将此次交易的记录加入到customer的trade-record-all中8 k; S/ O( C1 d1 z. ~ G8 t
end: L+ m4 |. D5 R6 ^' x, {! x
& D: o; x* S; z' W1 [; i' Hto update-local-reputation2 z/ v$ W. [7 W% |! x# h
set [trade-record-one-len] of myself length [trade-record-one] of myself
% Z8 [1 C9 t2 F
* A) i6 Y/ x7 P& l, B' T/ n3 i0 m; y2 J+ w# g9 M8 E( X- [; z2 m# { B# h
;;if [trade-record-one-len] of myself > 3
8 \' G0 [* [% V7 Z$ k- kupdate-neighbor-total
2 q& j* @9 y8 {! z) z: F;;更新邻居节点的数目,在此进行
. E6 n% B; P! K' x2 a2 }let i 3
P; Z7 d; ] _& ~# M% Flet sum-time 0
; g6 n* e! a8 o5 x* f) R. nwhile[i < [trade-record-one-len] of myself]
r4 Y! d% M+ u4 ^$ F# z) x4 F[& I. _/ Y: G: j, E6 c
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
+ \1 U1 c! r- p1 F/ }8 `4 T, Uset i
6 E' _( s) E2 H8 Y( i + 1)5 m, w4 d% u+ U
]
/ J: b% O; G6 g0 ~- g. n. u! P' glet j 3
7 [, a' V1 f3 L% t3 w& a; G, Dlet sum-money 0
" t1 B3 E$ i. Bwhile[j < [trade-record-one-len] of myself]
7 A( F% _6 a% h4 c5 L[2 F D) ~; _" x$ P7 w, h
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)
, J5 _# `2 c p% ?1 Hset j9 T( J5 y: v7 p; v
( j + 1)
# H7 b. q- @7 W m$ }0 ^]+ J+ ^5 B* z& C2 [/ M) Y) i
let k 34 ^ E* O9 V3 p$ H" [- ~! h) S
let power 0
. c- Q* R7 |6 U* Tlet local 0! w' E/ g9 j/ y
while [k <[trade-record-one-len] of myself]* I9 ]2 X5 t2 z. t- ]
[
6 K: D6 K# f/ `! E; E8 Zset 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) ) b3 I8 `# O" e, d4 H5 H
set k (k + 1)
9 N6 e m+ O4 ^( k: I1 ^]7 G- R \# L5 T8 ~- O
set [local-reputation] of myself (local)
8 Y |8 a/ J" g1 {" _5 gend
* _5 e+ M/ v2 Y5 |, D
% C# T: w0 T5 A6 X$ K; g! ^; Mto update-neighbor-total2 E9 f. |; R v$ ?" X# G
' B; p$ R4 q" j% Z: ]7 G/ a
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
& C4 `8 D# m: i9 x& r6 e: Z6 v' n- Q9 T( M
3 _7 L/ ]# O# b6 Q; b
end) v( u2 S1 d2 P# |5 T0 ]
. C5 d5 v8 @- {* |to update-credibility-ijl : m6 p/ w6 w3 J H# O2 j- @
: |$ Q+ e+ b) u* H;;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。
+ P* ?" |6 W. i: Mlet l 07 r' P- o0 H8 e5 ^' Y4 s' c/ k
while[ l < people ]
" ?% V2 \- c3 R( B$ X, c1 l* N;;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
9 P5 z8 W' n. I( c8 o# p[
" e! F0 p( z, F0 w4 a" Nlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)7 K: _- _$ p! }
if (trade-record-one-j-l-len > 3)2 Y( _5 y: J5 ?9 l$ A" ]+ T9 |
[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
- i( \0 M9 X5 B9 ulet i 33 n4 {1 ]/ ? z ` [
let sum-time 0
% w) R: K& W' E4 L- Swhile[i < trade-record-one-len]3 x' w, o2 c a, l
[% K; a( V+ F& t, K& b7 l6 |
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )- y- K$ h8 i b2 R
set i/ \' r, G$ U6 V& Y
( i + 1)% `0 q: S, B( W# G
]
- a3 @' V2 G0 x7 o E+ g9 n0 elet credibility-i-j-l 0
% T- S$ a( E6 W; h+ H B;;i评价(j对jl的评价)2 k5 n% c( ]6 m L1 j- |
let j 3$ I0 J$ s8 u& m3 P! p
let k 4. l8 P, x# H+ _
while[j < trade-record-one-len]. }: h" c5 E4 {: N+ C2 h
[: ?$ J) a. P7 X% n8 c" R& ~
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
5 e; v% ]. s* \2 B2 mset 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)
. G7 K9 D6 n: C# k4 T7 Tset j6 q m( X7 z9 X$ D
( j + 1)
# p# }8 T0 M5 s] i" [+ @, h8 ^! H% A7 M* ]
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 ))3 w0 l' g: O/ v; X3 A. D( y
) o& f2 c2 }7 N; u& F) N3 V
: d e: v" R$ Flet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)): ^" Q' M/ o! d0 t9 q$ o# i
;;及时更新i对l的评价质量的评价) [( y& e! V- T, ]
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]5 {' x. F5 B. w# s6 U2 w; h
set l (l + 1)" W( B! \8 A# z1 C7 `8 q
]
- }- d9 f2 o0 P* X) tend( O+ f9 L* t( F) R
' x/ x2 j, `* R+ ]to update-credibility-list7 b' Z8 Y( D! N, S3 X) o7 \2 O
let i 0 N3 j0 A0 ]; m, ~* F
while[i < people]
/ z+ b7 u5 Z m9 {+ H+ ^1 R[( E( j# |' J) B( h
let j 0% T5 s, ]. E8 z
let note 0
) Y) Y* b5 @# Q+ |8 [let k 07 f( F- b& M5 R+ E" B1 y" D6 o
;;计作出过评价的邻居节点的数目1 g" f: }" m, p3 D+ @3 ?' l z( p
while[j < people]
/ N$ h+ m) z# V6 T[ q/ r: X( `/ p4 z k/ W7 F7 s
if (item j( [credibility] of turtle (i + 1)) != -1) X D7 D9 Q6 s7 T! K( `1 y
;;判断是否给本turtle的评价质量做出过评价的节点
# H# }" w: Y. D/ n* p0 s* \[set note (note + item j ([credibility]of turtle (i + 1)))
4 k" o6 R4 p I;;*(exp (-(people - 2)))/(people - 2))]
' b/ Q1 x( n! q# H8 yset k (k + 1), \) V, j; i/ S( W8 D( I
]1 [6 _! x {8 h, D
set j (j + 1)
3 A* X0 v c Z: y7 t]1 Y5 \4 K" T6 a) [; D2 A$ J
set note (note *(exp (- (1 / k)))/ k)
% S( ?) y) h( |+ }# h" z4 ]4 Bset credibility-list (replace-item i credibility-list note)
, w8 Y5 t9 y1 |3 g2 c# _set i (i + 1)
) Q) J6 y) l3 Q; M]
# g% c% e( l, fend) w [ ~$ t- p: W0 D8 Q
8 U! a4 T' j# O! `to update-global-reputation-list
2 T1 S" Q" a/ k+ ylet j 0
# ~" }9 ^) K3 l0 v, O! _9 Owhile[j < people]- V+ e, j) a* ]
[7 @0 i% |2 X1 Y5 j5 W9 K8 b
let new 0# x1 L" W: ^ b6 \
;;暂存新的一个全局声誉
+ W/ d, e( t% x* J0 @0 alet i 0( @2 B( i0 h% l1 }2 i6 s# L
let sum-money 0& O! m$ N2 K8 y; ^7 L5 ^3 |: [
let credibility-money 0. K4 f0 Z3 S! e$ W3 S
while [i < people]
+ n. k. F. f* p! }0 w2 T( B[ H9 V# ] w" i$ ]" n% v `
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))2 v u: ?6 q8 o) }. ^0 b4 ^4 B( L
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
/ S9 y5 J2 t( R+ d" jset i (i + 1)+ j( c; X, F V I, N
]
7 W7 i3 I/ D6 T$ U* b/ x! zlet k 0
( M# f* W# p# H, n, Slet new1 0
1 F' `2 {# Y1 R, r3 z# v6 A) b* Lwhile [k < people]" ^% D. R) P5 [3 C
[
/ A+ k0 K& M2 n% s7 V5 ]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)
: v! X3 U( O3 ]* \- ` Cset k (k + 1)
3 {2 \- X+ b( n]8 w( q( O; W: {9 o% K
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
4 R7 Z# [ b" X$ A7 D7 Z6 N1 `set global-reputation-list (replace-item j global-reputation-list new)
! v- y, F' L# s+ b& Mset j (j + 1)+ ?. U# W" s8 L' p4 U0 o* }; m
]
8 s/ C0 K4 E1 _+ Dend
8 w$ D5 F8 Q8 D# \# E5 u
8 a, b4 v, i& D! O# _3 w% y9 z- C- m$ r9 x7 D7 {
; E0 j% v: Z! l2 S) j) z6 C
to get-color
: T2 Q/ q" w$ _" F3 G
' C3 _, P4 [- n1 K5 ?9 N* ]+ Bset color blue' q( k& U$ Y/ w1 E1 T' C% [
end
; D7 U! H1 `6 E5 Z! _2 v6 o9 z
4 N. `& @. Y5 Q- C+ _" ato poll-class- O& A. R8 [: g# K$ S# j% m
end
. |- Z5 P$ y$ Q6 _ M% N# P1 H
( w* e, `' a) p- bto setup-plot1
5 N0 l2 w# P# C! ]$ o4 r! `% u4 ], d% C4 V# S& Q
set-current-plot "Trends-of-Local-reputation"
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|, |. L. F- g- L& x6 S: S9 E' lset-plot-x-range 0 xmax' {7 s$ k. j: `" r
; F; N8 d- n8 j% z+ i3 j' ]
set-plot-y-range 0.0 ymax2 ^# E, a$ K2 _
end
' g- a5 m: e! [* @0 Z% y+ T! p% q" _4 l. [9 x" k/ c
to setup-plot2( c4 q! H( i2 `+ b' w
( z z0 V6 x0 A4 [. k/ g Bset-current-plot "Trends-of-global-reputation"
, I3 Z; C8 o. |( {2 G- R! ~; o4 o1 E* y9 c7 P9 V I
set-plot-x-range 0 xmax+ n$ S9 @( s; F# d" ?& v
- X0 K. ~ t* a) f: Tset-plot-y-range 0.0 ymax
H5 Z* r1 ]2 l& {+ uend# C3 q0 w2 ~5 ?% x0 L0 J2 g6 S% b
6 ^1 v; b6 j, @( k7 \
to setup-plot3
+ b) @: U4 u1 X/ p
5 v* K* x0 {9 E+ ]4 Vset-current-plot "Trends-of-credibility": |. L4 t- Q/ N: \* u; J
p* x/ U$ V; X2 }
set-plot-x-range 0 xmax
1 C6 R( J% {4 y; ?$ B$ k
" |* r$ g' a' J- i& s# Aset-plot-y-range 0.0 ymax1 M* W- y7 [% j
end
* e4 i6 s( Z7 Z; w+ q* d% A
- Z# i1 s* g- p" S' ^to do-plots& g, i$ w* ?, l- f
set-current-plot "Trends-of-Local-reputation"6 P! K5 L) e5 [) P- b! d0 B: Y
set-current-plot-pen "Honest service"
# X r, y6 B; Y% P1 z9 \end, G* N, f" y* S
: ^) c; a9 c! o; I! S. x$ g2 Y
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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