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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+ o8 j J8 I! }+ }- sglobals[7 j+ C) I B8 T. q: P
xmax
% g6 K( |+ `" @& zymax( ~+ n1 f& f: A8 y& n, q
global-reputation-list
- O5 |. Z9 N9 H9 J. q# s* `* I+ k6 h% }! k4 i
;;每一个turtle的全局声誉都存在此LIST中3 @. ^7 |: `% _2 T
credibility-list
+ P. a; ^% Y) Q$ h; n;;每一个turtle的评价可信度- q- ^8 P$ f& k, f
honest-service0 c6 ^3 q5 g; J3 N1 l8 e! m+ U5 \
unhonest-service8 s3 G$ S# Q7 `: C; b
oscillation! g0 O( D* E7 S/ F
rand-dynamic7 Z$ W; B- `0 H4 M8 E# o7 g- s
]
$ c% ~- n8 S6 b( z4 a! S w8 |
" @5 w& K' u9 w" dturtles-own[
& S; i) l1 S/ Wtrade-record-all
' A4 f" \; W9 q" ?7 Y2 k2 X;;a list of lists,由trade-record-one组成( t0 z( I. J; e9 {2 I) ^. x% I9 O
trade-record-one% n+ X. P: O4 Y$ M, n; v# Q
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
" y6 L2 ~* Z* {: ]: k# m4 c; Q# r0 o
& B6 i5 c3 ^- H0 S! w4 {5 w;;[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]]
9 B' b; x2 _2 k7 I- s' otrade-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]3 I: p# x" { |5 O2 p) p: _
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- o g2 l1 t2 ^9 b
neighbor-total
. R9 C% |5 z( F+ i1 P7 s;;记录该turtle的邻居节点的数目) W' C5 o+ l @& q$ D0 U; D2 f
trade-time
0 d" C1 \ b; Q# i;;当前发生交易的turtle的交易时间) G" ^3 u6 C+ J% `/ f6 g# m& z+ l
appraise-give a* t8 }& {& i# l( k
;;当前发生交易时给出的评价( ^/ w- `. P5 X
appraise-receive4 |: J3 Q5 x' A1 B
;;当前发生交易时收到的评价
" ?0 J) D2 N+ K( h! Tappraise-time+ I2 d( G+ O- h1 w' t) I' I' I9 r2 Z
;;当前发生交易时的评价时间: n7 {! ^9 l/ s& E1 C2 e, j+ A
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
0 z- W/ G- J% X5 Jtrade-times-total5 c k$ p' ~- M; T5 |7 ]
;;与当前turtle的交易总次数& j+ x, U- A3 f. H- W$ w
trade-money-total7 h; R* k0 A' _9 [8 E
;;与当前turtle的交易总金额
L+ k% R6 | g) k, plocal-reputation T8 d0 R( v5 H9 p- v* o: O
global-reputation1 Z, f2 C/ j; O! _6 {
credibility
d' d" x8 f: @) E: R! h;;评价可信度,每次交易后都需要更新/ n) d3 a" k/ b$ S: F& u7 t
credibility-all) ^5 w2 x* c. D. L/ n4 Q 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) L. E- b( v" h) \
2 @; y. w3 T, x; i: K0 g6 G# Y. Q. M;;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, D( E$ g- L* R5 _) t7 F. j# }
credibility-one
+ Z" I/ n/ J8 ?3 Z( a;;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
/ j7 s- p' ], |2 i8 jglobal-proportion+ H3 s1 N" l' s( K" F) [2 [
customer
' U! C6 R& x9 u4 r- `" v" Pcustomer-no
' M8 n4 n2 @$ K6 M( K9 Y9 ftrust-ok# Y$ I$ t+ p' z
trade-record-one-len;;trade-record-one的长度
8 ]9 J8 |9 L/ j! {" W5 B% u]
$ j- b, a. I0 z ?8 s# A: D( l
( Z4 x! a0 D6 {;;setup procedure: Q3 F- A1 X7 z- \" t
& u; K. J' d7 J& sto setup
9 Q8 c7 L2 T+ H; O7 h4 l) d2 T: |' I0 p2 B9 A
ca
7 {/ D+ E2 v. \$ y( q! D6 u1 {! I2 W: i
initialize-settings R3 a \. y5 _6 K6 g, R
$ S- k6 j4 D3 ~% E& {( wcrt people [setup-turtles]
& \$ G. w; @' M3 K
M4 u8 V! J4 |" ]reset-timer
0 _! B! S2 Z& F
/ O6 L; ?! d8 L* k3 Jpoll-class
: @3 _9 d. f" K% K' H/ _
" J: l" Z6 p: W* O! n7 p4 P% ~* Nsetup-plots) Y9 d- ?; Y7 u7 D- D
6 c4 S2 A# z- Q) O4 s
do-plots5 |# m) M+ Y: U$ K4 a9 y
end
5 m* T& K3 n/ ~
- |- K A( a9 X3 n% u1 uto initialize-settings$ ~# ?# o) C8 p7 s
% `9 p( B+ Z1 F; g. f5 [0 @) mset global-reputation-list []/ Y( ^6 a. m, ?
3 _& L5 C2 d- P
set credibility-list n-values people [0.5]) [5 u" b/ H( p7 f- L. r7 Q
( L% l R ]/ B" b
set honest-service 09 b: a# s( P& E( y& y7 f# @4 a
. c0 k* q, v2 g( V0 C( b. S; Wset unhonest-service 0
( @. T D" T0 X! u3 |# a( `2 Y+ A. t$ C
set oscillation 0
4 I, z4 u( u; l4 R6 i/ D$ H) k
& d1 b% H; U; L0 \% \; z* q/ Sset rand-dynamic 01 I0 J& x( q- p/ ?' A* D
end
# L/ p0 n. R) v
0 K: @. s6 {# a) a Wto setup-turtles % Q# t# w# m; z6 o# i4 m
set shape "person"
2 f; g" P3 c9 \) Y+ Gsetxy random-xcor random-ycor
* }! Y2 i Z. V6 s' ^* j6 tset trade-record-one []
7 z- {% S: r4 Y) H
r7 ^4 b5 k7 J* @& y( Xset trade-record-all n-values people [(list (? + 1) 0 0)]
G3 _2 q$ ?1 |
# p) t; k9 i( w% m; ?- j8 e" f4 }5 Yset trade-record-current []
2 v) c, t; z. w9 P7 Iset credibility-receive []
; x. |7 o% {( j" Sset local-reputation 0.5
6 u8 i5 w! X7 Tset neighbor-total 07 B' g& e* j4 Q7 z- M
set trade-times-total 0
, D* I8 ?) q/ G# a8 T6 M# Kset trade-money-total 06 e8 S7 k. _; F5 L3 e
set customer nobody& y2 v6 P) ?/ ?. [( y9 N+ @
set credibility-all n-values people [creat-credibility]
2 g) ^0 w; n3 X4 Kset credibility n-values people [-1]
9 L( k7 ~+ s9 E, u7 ^1 z/ ] gget-color0 j' y% p: U% j% r
8 n* o% F, ~. ^) A8 m' mend1 D% j$ i: V+ x8 z& L8 X
) h. H4 B( J0 t! cto-report creat-credibility
M- @6 {1 E7 x3 Creport n-values people [0.5]: y) a$ p. E: ^0 `' Q
end
0 u8 u3 c+ \& b* ]% v
; t/ v- L0 @. nto setup-plots0 ?/ }: v* v" f, v% b y3 D+ |$ ?: _
+ _& }9 z' |& ~& N& h6 T0 U ^set xmax 30
9 p: Q6 ?3 |! _" |+ N w4 C
9 `% u6 o/ M, B2 N: X! Fset ymax 1.0
( ?' P/ X7 u$ |/ v( [" C3 A
) U+ j0 z ~$ }/ q0 Fclear-all-plots
' u4 m; L n2 D( ?
+ }! n5 q# A l, O" ? nsetup-plot1
& y; k4 r/ O5 T/ ]8 h4 E0 ?/ _! U( l) a; f, o! D- L; }7 q
setup-plot2
1 O$ m. \$ G! N$ e: k3 m( q7 D! M5 }/ o: m, E! w5 V' {
setup-plot3
9 L1 ?0 m1 L% A$ f+ rend
* s0 }, f. Z! z: s I3 |1 U1 M% Y& W/ ^
;;run time procedures8 g! J8 ]. N) [2 u# R
5 b! {# M7 h. o( g1 nto go/ |) y- ]& O! ~8 t3 o
- } N. ~, M V; d4 S2 g: Xask turtles [do-business]# k: r4 @3 H3 q5 _4 D8 C
end
+ }9 D, o; {9 |" i& e: p) }9 l' N
9 U- L+ J. j# Nto do-business ; X! G' g+ L, n: n# O+ \1 |
' i3 I) o. R% v5 I! c; N( o% I
" }8 P" O8 c, M. t+ C
rt random 3605 s; D% C9 O# i/ h
; N# g2 y- o6 ^' bfd 1- i. S7 z2 q: M7 T
, U0 |. a I' P- l9 s" l
ifelse(other turtles-here != nobody)[ B2 a8 L5 V5 w
/ t$ ]/ B$ O k Q% X9 u
set customer one-of other turtles-here8 h: z" f {% V9 H4 ]4 o
, E5 i7 Y, ` h2 r
;; set [customer] of customer myself
/ R- b/ P8 C+ n9 [+ r3 n6 `: l# ` q5 ]9 ^) V
set [trade-record-one] of self item (([who] of customer) - 1)* A9 j2 ~3 {6 J2 q [' u+ u
[trade-record-all]of self0 d4 |/ G4 W S I% x
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
8 s" {2 m+ O, |( A
+ H7 b) q3 Z6 }/ f; E, O/ cset [trade-record-one] of customer item (([who] of self) - 1)
* } Y, o! d9 @% ` K. g- V* a[trade-record-all]of customer+ X, k9 Q6 ^/ w1 b# Y( W8 d! y
. W( a' i! r5 l* \set [trade-record-one-len] of self length [trade-record-one] of self
2 J- n; e8 F) u2 s! ~0 Y8 K/ d1 M
set trade-record-current( list (timer) (random money-upper-limit))- g, K# [7 I- l, |5 j0 b
& i7 x! F' |6 G% p% s' d8 b8 {
ask self [do-trust]0 s1 E) `9 n( Z5 b6 X
;;先求i对j的信任度
, Y# s7 `9 |( L( I* ~2 `/ m5 r
if ([trust-ok] of self)
3 p T3 B0 a# h, B- r;;根据i对j的信任度来决定是否与j进行交易[
7 ?+ G" ]' |1 N/ c. A+ ]ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
% I% |, M8 z; o( n
! g: c) T2 }, T2 {! t[
9 m4 _8 C) i/ S, a+ B, _% I/ M7 h- r1 T9 |1 K+ E7 J. A
do-trade
' R: z# `4 V/ ?, X& B/ C) `( J3 X3 i' X! `% H0 y# f& `$ d4 R
update-credibility-ijl
3 B b r& K) r1 R G$ S" f3 H
' V+ X) S% j8 M. wupdate-credibility-list( T2 H- Y/ b3 q6 J: R
+ c& z2 |- P0 d& |+ E# P4 E! q
( z9 w: \5 z0 e5 O6 {0 I( s/ {& uupdate-global-reputation-list1 s6 T9 u! r z; F' J2 l
. n; W" S" z+ R0 h4 a) v/ Y5 F; b
poll-class; _. `, l8 q& b9 V9 S
X% U. t3 K+ i8 P* Xget-color
; C- L4 k/ O m. ^1 ]4 [( H, ~1 {$ I1 d; {3 }. Z
]]
4 }/ l( q! A# ], m0 H- j& Q7 \9 U. c+ w/ q8 a u: [0 s
;;如果所得的信任度满足条件,则进行交易% [7 F8 Y) s; w6 e- }
6 z1 Y: e4 \; t/ k5 ?/ P$ s[
7 G4 A; @- @ r+ p9 b: }) U; J
) w9 H" o- w$ B3 ort random 360) h* B0 w: N$ l! o& @9 X. o. U/ a
z+ ?0 b' C5 j- Z" g+ \
fd 1; W2 \; h3 ]. u, A1 U
9 o0 a! y" Q- G* p]
- h. o! H8 N- z. X% i. T: \" T3 `) s* n$ c; G
end
% j) S5 o V. v K0 E- K' N8 w J2 N9 ~9 ]# f, j: m
to do-trust 8 r, C' u7 X' ^
set trust-ok False0 }2 X; v7 I' ~4 V1 m- T
6 `& Y2 u& ^8 A+ g4 U9 X1 [
' `: z0 R( R- g' z& e* s- f' Dlet max-trade-times 0
- [3 h3 u1 p6 j Qforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]( B' c$ c0 i0 t3 ]% y9 z
let max-trade-money 0
) O$ M( ~( W$ c+ oforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]$ }$ Y2 e. [. [1 d' L
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))1 M5 o* m# I9 t7 r5 [: Z
3 y% K3 C5 A Z: x
4 t3 D+ r @5 b4 T
get-global-proportion
0 c1 O! z6 c. B2 Clet trust-value
, ]% X P+ Y! ?5 W; Xlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)8 B6 d, E; }; }* P1 F
if(trust-value > trade-trust-value)) T& G6 A8 d' y* i4 m* T# i; `; ]
[set trust-ok true]
l4 ^7 @- p! Y1 p9 P$ tend
# c. y7 [% c3 D8 c
9 m9 i3 d; H! B* z0 e. ]to get-global-proportion8 C# B: ~* Q/ y0 G- Q* v( \
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)- `4 V/ m$ N2 X% c
[set global-proportion 0]5 j& o- T4 K' J" C. c8 N
[let i 0
" c* z: k7 @8 U& f2 z2 Rlet sum-money 0
( F4 Y3 V' \4 Z& }while[ i < people]
: ^! ?4 Q- ^! K+ S6 |[
. \" w8 n y! kif( length (item i0 u' g- W% W4 A
[trade-record-all] of customer) > 3 )
2 ?7 _4 d* k8 ?. K2 k[0 \5 u d; |3 L# h% h
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))6 g9 O- n4 \( O _3 `7 G" z
]
) T( Y) L* Z+ D0 [1 Q9 ?4 n], n7 P' H# W9 C# a& f' y8 g
let j 02 C1 ?7 P2 K1 j: | Y/ h
let note 0) P5 b% q. C3 o1 Z
while[ j < people]3 ~8 c7 r* l6 |1 `- i
[4 } Q3 g5 e6 X: |2 A+ A! ~8 Y
if( length (item i. P; Z+ a4 G) t" w8 P
[trade-record-all] of customer) > 3 )+ e# E7 A$ B' w, C" @8 p: M
[: B! q% S2 O4 |- W y5 c7 O! x4 A
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
; @ d% x9 h8 U# M1 }& t[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
7 W4 O0 M7 n1 _4 }) O* l" S. d[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]3 f" k/ c0 n; h; N
]
8 V) B+ a- `" o8 ~9 g2 L]
9 V7 ~, D" O. f3 H4 E6 h: eset global-proportion note
0 r, }7 `9 d8 f+ N]
( Y) ^; Z- B' ^$ Send
4 o2 C' Y& f$ Z _: ]+ D+ ^; }$ a/ i7 ]) S
to do-trade' u% @7 W) i+ n, E3 {9 p6 J
;;这个过程实际上是给双方作出评价的过程
! G4 J$ I0 \# ^, d; B% `/ U% vset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价: T8 [4 k0 z$ B6 Y. I) _
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价7 m- V: h5 y% {' A2 P5 {' _2 R# Y
set trade-record-current lput(timer) trade-record-current! S, i; E, o0 E. T; A. `1 V, _
;;评价时间
. R& s+ h! ?( pask myself [
" ]1 x3 g; @1 i1 I' o b% o# V" `update-local-reputation0 {2 P6 X7 O% Q2 E0 n) |
set trade-record-current lput([local-reputation] of myself) trade-record-current+ b& g9 J8 s& ]! s
], z- }% W' m% _$ {' F
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself8 u: b: n8 I- r' K# h
;;将此次交易的记录加入到trade-record-one中8 p0 k1 |" ]8 }) o* G/ v
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
/ M& H+ N8 Y: X% o ~ {let note (item 2 trade-record-current )# l0 a! y5 o% l+ o: P7 e& Z3 x
set trade-record-current2 M' B4 w4 G7 a9 k0 T
(replace-item 2 trade-record-current (item 3 trade-record-current))' m9 p- K2 g: U4 M4 j
set trade-record-current
. h5 A% Q7 L' B6 ]$ t(replace-item 3 trade-record-current note)
, @6 V/ V) l5 J
" N0 O3 |7 w( R
% g. g+ h8 k, ]$ u4 v* I( Aask customer [
$ _1 R$ Z! i: Z0 T1 F! ^: j, cupdate-local-reputation0 p0 m' P! X) j3 y
set trade-record-current
7 V0 O) n' _0 q2 u, R(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) % t6 w( s7 Q" Y" B8 @$ R
]
* E$ p: S; u& t: J% n7 |$ ^7 y1 b; t1 V k
# N6 m7 F% v6 ~8 v$ `7 B' Pset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer; @! O( c2 e# s$ {- j5 @% n
z, _5 c& @% z3 u" b
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
8 E6 R( i2 `1 C+ t, R- `, s;;将此次交易的记录加入到customer的trade-record-all中7 X, b# j( ]) ^1 J$ M
end3 A3 V4 Y( Y0 h& j4 J* V
/ s& O- [; g* }5 {% V0 Lto update-local-reputation
5 P* V; h+ m2 t" {1 S& Uset [trade-record-one-len] of myself length [trade-record-one] of myself5 A" }- J. \. ~; b: A! I' R+ r" A( M
' W: |0 ^4 w; V) D6 l2 Q
$ p+ {1 Q8 F. q7 G;;if [trade-record-one-len] of myself > 3
* ^2 h5 B8 w' G: G$ M* j- Qupdate-neighbor-total4 w1 ?7 n. G! W% f
;;更新邻居节点的数目,在此进行2 q; _4 N+ U$ \3 U8 k; j0 b
let i 3" c5 x) C/ e: @7 T
let sum-time 0
( C1 q2 y; B3 M8 B2 s Iwhile[i < [trade-record-one-len] of myself]: l$ X0 m3 H( F( g, R% C
[6 u1 p8 W4 ~! V+ E" ~" A8 b% r
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )5 j9 [2 q) [8 A! e$ M
set i( t( O/ x1 {% ~% ?! V9 R7 @! {
( i + 1)
9 M8 Z5 I, B5 N]
2 r8 g5 F: s$ b4 T3 c6 D# y7 Olet j 3
" b* X+ Y3 K5 w* Elet sum-money 08 r4 _( T+ k5 D7 u
while[j < [trade-record-one-len] of myself]+ W/ [0 Z8 |5 p- `" A$ U
[
; t0 }; L6 q2 g# |$ u. ^4 F J* [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)
' N m9 H* r, sset j& W8 t, D+ b3 q% e& Z
( j + 1): P5 t% c( G0 ?' A m
]
0 { {' |/ y: m" d* o# T" c" m# _let k 3! q7 f9 N8 I/ L: Q6 w v
let power 0* O' ?% N9 F. V7 p3 _
let local 0
' x, `0 g, ?0 J7 jwhile [k <[trade-record-one-len] of myself]
9 d" r' X+ B. z9 Y# g0 H$ i[3 b4 L( ^! o v2 Z. i- {* B) V6 A' p
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) 2 ]* u& i' @; ^4 i( H
set k (k + 1)
8 h' `4 ]) v- N8 N]
: \$ `8 I p$ S, Wset [local-reputation] of myself (local)
5 h% v3 Q6 a! h* e. a+ cend
% q$ @4 b4 i H! p
, D1 o3 r3 C# V& t& l2 vto update-neighbor-total9 C7 ]) n- {6 C
3 x8 t" M0 Q1 r, M! O7 Lif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]6 E/ R4 H. K9 l- Z! n, x. M
9 R3 h* i+ ^; T7 {) H0 @
+ ]6 `! I. h/ O' q; V+ Lend# {1 s. I |2 {. v) i
5 r0 O! t6 M3 ^/ b+ u
to update-credibility-ijl
* F0 S/ B' M3 z
6 ^! J# {# y Y1 x;;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。
8 B! s- k9 |# N1 N% Y: e4 g; Q4 Mlet l 0
9 w. Q- D; r7 F" lwhile[ l < people ]
# B: T0 `) v3 @8 m4 {0 b; j;;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# O5 e/ F$ l5 F6 g) u/ f3 r$ G! c
[6 U# u8 ^' V4 `6 y1 K% q, e
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
8 S; h# {7 Q/ O( X1 J1 k% n! Oif (trade-record-one-j-l-len > 3)
+ j* J1 n( w3 I! W[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
% s }7 M" w& x: c, C, S, A% \# alet i 3
' \4 I. g* H9 R1 ~let sum-time 0
3 [2 S% Z4 W* bwhile[i < trade-record-one-len]- c& E1 G+ d0 H: ~, e4 |9 e
[
1 `8 G7 O' @: ]9 N2 v) U" o; mset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )% T4 F4 Y& |+ u% {6 O; S4 B" [+ t! p
set i7 F' l6 q5 b/ i
( i + 1)
% B& ^6 U1 L! O9 n% G, i5 r]
: y6 }. d9 x9 a0 X0 K0 N+ h0 Flet credibility-i-j-l 0
- ^! ?' n5 r" T5 ^- g" L3 g;;i评价(j对jl的评价)0 F. t/ ^+ z8 ~/ ~; r5 g
let j 3; A, Z0 g( V8 Q; o; n1 _2 ]# M
let k 4: v9 d' r, m! a
while[j < trade-record-one-len]
) {, C% y7 }. z" S9 T[" g% I8 Y( t4 E+ W. q5 Q V3 O
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% W& `5 S! w9 E& J: ~& S
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)
# T! [$ Z3 s# Q) u. K5 _, `; Lset j
3 t# q* [" z. w0 L, O. R( j + 1)
9 g; B. [0 u7 J' q( H2 Y* a]
) Z- Q, j. |. oset [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 ))# G0 ]$ p( p8 D/ n
/ H6 P8 ? Q0 v6 E9 d8 }- o% s0 {2 s
$ S& e- A' v1 z: f8 u) f- b" m% Wlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))6 M8 F+ ?% e7 J8 y) z
;;及时更新i对l的评价质量的评价, `" a5 s% f- d1 {# ^( B. r
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]4 }4 H7 P* l, v4 [8 I2 c# _% r4 E
set l (l + 1)
0 e4 [ z1 @4 ?: F6 |]$ O0 q( \ k7 z* s- k; l
end
3 k1 Y# V; q: p/ S" t% k' [1 m1 `4 J2 |* P2 R+ M* n2 n5 Q
to update-credibility-list. w5 k& |# Y8 U1 v! ~
let i 0
" P: Q% U, J/ i# M- Rwhile[i < people]' c+ q% I2 |7 C# T
[
4 M) S W. ^5 G) mlet j 0, w; h) r0 h5 z0 y
let note 0* T, G2 a3 }! Z) p1 D5 M" S
let k 06 T" e0 G) z! F0 a: u! I( j( O! n
;;计作出过评价的邻居节点的数目1 Y5 V W. \& N* c5 e6 m P
while[j < people]
9 [% i" b I7 @% U J) Q[( \( n% B1 J5 ]
if (item j( [credibility] of turtle (i + 1)) != -1)! y2 v' B. ]2 g( u, r0 M$ T
;;判断是否给本turtle的评价质量做出过评价的节点6 t: ?* H: y: @' y* N
[set note (note + item j ([credibility]of turtle (i + 1)))- c8 ]5 K9 N! `4 p# C7 ?8 i) C
;;*(exp (-(people - 2)))/(people - 2))]
6 s7 N0 V2 T4 u+ \3 J7 k' Eset k (k + 1)
: v. z8 B4 u. k* ]]
0 G- T. l! B1 n* H* hset j (j + 1)- _# {! _ z, B1 H4 o+ n7 s
]: J' \1 U9 X4 g
set note (note *(exp (- (1 / k)))/ k)
4 \5 D) B3 U- o7 b8 ]- Wset credibility-list (replace-item i credibility-list note)
0 o3 y! W z F: ^2 ^1 \set i (i + 1). y* D# @1 o4 b' M) Y
]' O4 m/ d& X) h3 i! }& ]+ O
end) z8 w) _, W+ w4 D. {
) s# Z. `9 X& ?" b) H$ | T2 E
to update-global-reputation-list
( s, i( G# x: y0 X" r, q- e, U. R, alet j 0
+ Q9 W6 n' W5 r( ^8 q. owhile[j < people]
- k1 O m1 P7 O3 v' U[
9 T# f: T+ F8 S1 E% J7 Y0 ilet new 0$ J; L( |' D; {2 P) z0 ?3 ] `
;;暂存新的一个全局声誉
) z9 B3 a r; u, ~let i 08 T$ K6 F- q* h8 D( \
let sum-money 0. O( \/ H5 X$ m, W" b: V- Y
let credibility-money 0
2 d) I: }& a/ }" r0 Owhile [i < people]- h+ E# u- O( I$ R
[0 B8 E+ f1 }$ |! p7 m0 N0 V$ W
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1))). H$ i' }! r. I2 l- [* K* V$ V
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
$ [% h$ U2 c: Z1 Z0 w$ Mset i (i + 1)
0 L9 ^. U1 m! y$ a" X. C/ r, L% Y]7 C) T* j0 D; ]8 p* o( y9 Z4 G5 o
let k 00 q! f1 S% s4 T4 `, E; B* v
let new1 0
( j! ^% k: ^5 Z9 j. K: e% U5 a7 x- cwhile [k < people]! k }' K+ _# `1 V+ _! D! @
[
: x8 I- Y' x/ Wset 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)
6 `9 {4 U6 L1 A* K: tset k (k + 1)
, z, H$ {2 H$ W. s]
e* q. }$ ~0 ?9 a2 s; N5 ?set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
. T5 H3 w$ n6 Z* a- V- _set global-reputation-list (replace-item j global-reputation-list new)
3 ] R+ L" [* Iset j (j + 1)- M: u, @, O/ n2 G7 B0 Y; q
]7 r( {5 l, d: A; ^$ d
end
; g: o1 E5 C2 L) {1 ]- e' ?
* O8 N6 Q8 w3 N' {! ?+ O9 b# Z. O/ q' l% ]
2 ^: o2 z1 X# v) I# ^2 w& Gto get-color
+ j `& g7 o" C/ Z% }; C+ c( H/ S
2 B4 q, s0 P# c, f# Zset color blue
. E5 U: e( u' S. I1 ?$ u# Lend' O- c- |( M" k
9 s# D# w, n N" k' }
to poll-class
1 E4 e7 R4 `% [5 O% i4 Xend
- q9 @ O6 v2 C" L0 w2 T0 H9 y/ j! x# F
to setup-plot1
& p+ l4 Q) }: q" [. I& I
# u$ n7 t' o5 T, Z& Lset-current-plot "Trends-of-Local-reputation"$ a4 I3 [! L( N+ o) L% z- W' i5 f0 c1 a
; h% @" s; S9 r* U. H' w% wset-plot-x-range 0 xmax
; s' q: z5 G0 S" t3 m4 W7 q/ o. c R1 d7 _
set-plot-y-range 0.0 ymax' Z6 [: F# Q8 n: ?' k
end X$ f& u( k1 ~
* S P5 |, V1 h" k' \
to setup-plot21 t4 A6 M e2 ]% S6 }# f
3 }& j6 q# q; @6 U2 S
set-current-plot "Trends-of-global-reputation"
! A. d7 T& E9 p+ R, j. o# _+ l* V" I
set-plot-x-range 0 xmax2 J8 }$ ~! \& G1 h: S& P% r
" y" n6 e6 D' c7 {$ C8 ?) b' a
set-plot-y-range 0.0 ymax
0 \$ f) l r# a0 Q5 [end
. w" u- [3 Z: V6 J! \0 X- S ?* x, p( ^" h- b
to setup-plot3
2 Z: B9 ^; A+ {# h0 Z7 \
0 n. ^ V3 E& B7 D9 f: A8 yset-current-plot "Trends-of-credibility"9 O8 Z/ t. b- A: G$ o
$ L$ o) n; {3 i# m! Uset-plot-x-range 0 xmax
2 \9 q% ^! ^* Y( u# c3 Y, z. j5 G. b& m2 N+ {( d% r
set-plot-y-range 0.0 ymax
: t3 D/ n4 M! p2 i h5 s7 T' i; F( oend2 S* w0 `% F) P% w* h
) A: \( \+ t0 ~3 Xto do-plots
2 T# @; p; L" P5 `5 Aset-current-plot "Trends-of-Local-reputation"
1 K4 |1 S* t0 ?set-current-plot-pen "Honest service"
5 @" N# A! ^$ q* E- W- D0 x: F: X, j* pend
) J2 t+ d% L7 v( K/ o# y n! k
% b$ S7 E, M9 x! K" q# \[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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