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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
" I! i# Y9 J: zglobals[
% {. M R* H. y1 Kxmax8 c5 p& b4 _6 e, z9 v" j) S* a# E
ymax
( f6 M" n ~1 \1 jglobal-reputation-list
* i* x7 q" V) c( P Z2 w: k
/ k1 E. v/ m4 ];;每一个turtle的全局声誉都存在此LIST中/ K! H% L0 m! F9 @: h
credibility-list
0 v2 ~: ]+ L& a& l+ G7 u;;每一个turtle的评价可信度7 `9 R8 q+ o6 J$ h$ s" c& ]
honest-service/ N2 ?! ^6 P; q4 ^/ r# d) ~0 _# Y
unhonest-service, s# f/ {5 f2 W9 T, B
oscillation
9 F- e% o( @- H. ~6 p& _rand-dynamic
: E* x( U4 |9 |4 \8 ^" Z]
9 g2 Y+ s, ~/ E+ F- w$ L4 w( a& F5 @0 e9 o6 y4 W
turtles-own[% ]% Q( H# V! W" u
trade-record-all) V5 f$ K' L& Q; ^# f9 T
;;a list of lists,由trade-record-one组成
1 p* h5 V- K/ [& _trade-record-one
# I0 i) c: k/ E3 x;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
* e2 Q* }1 p- g8 l2 N' {+ Z4 H: @( |7 ~
;;[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]]# \. O' ~+ Q4 `
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]9 B5 v* t/ ^3 l% j9 q+ R
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) B0 ^( j% @- }
neighbor-total' R( W2 {# y# p, l$ @
;;记录该turtle的邻居节点的数目
& k. D" B b* K9 f% l5 ytrade-time
3 a4 u' ]& N- R0 y+ e! k;;当前发生交易的turtle的交易时间. [' K7 W+ @ `9 s$ _/ \4 G
appraise-give
& u$ p1 V) R# M, I+ @;;当前发生交易时给出的评价 e: C! x- x; w/ u' `# u
appraise-receive( b( j9 @" H5 f7 Y% h( D0 \$ R, P3 P7 s
;;当前发生交易时收到的评价
7 E2 ]6 V/ l6 l: m$ ^appraise-time# P- [0 @; ^4 }' c' W
;;当前发生交易时的评价时间
/ Y, _! W/ r( E- a1 H" j* H" ?local-reputation-now;;此次交易后相对于对方turtle的局部声誉
+ l0 o9 s9 R/ d7 ytrade-times-total6 ?# K6 G* v9 y$ g4 o% I
;;与当前turtle的交易总次数
+ t+ E$ X* V+ Q# rtrade-money-total* h; W! j" l0 q7 o8 L0 V* k
;;与当前turtle的交易总金额4 W: ]6 u1 G0 `" J' a
local-reputation
- G R' c; [* K/ W2 ~global-reputation
! q3 t2 ]7 n8 Z; h; `credibility
3 Y6 C7 {* b) E! X2 _;;评价可信度,每次交易后都需要更新
0 K4 R$ ~$ E1 acredibility-all
: ~3 \6 `- a" I- p7 P% 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) W) X* A* E b: ]& w- j
2 r- P+ z: l2 e( q
;;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
5 s0 i! E, X: w! N) F* u# Ocredibility-one2 s" M' j/ |- P( R8 _$ v
;;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
4 r% f4 l0 i; E! ]4 T2 Mglobal-proportion4 c) F" L+ U1 S; w7 o" N6 P
customer, m7 \7 X( [' Y) I3 ^' I
customer-no
0 U. _0 i- f5 y3 Dtrust-ok
3 w, [- K9 A2 x% L0 strade-record-one-len;;trade-record-one的长度% I- E7 ] C+ F h" a8 H9 |
]
$ T$ J1 P+ ]7 R C4 M0 u" ]6 P) W$ y
;;setup procedure6 C# v" p" k1 U6 L
. ^! Z. c+ }: K4 sto setup* t( P, f, G5 m! J& N- c
- D$ A* `7 F. c' B. t! I
ca8 w+ \8 w0 {5 B: A
# ?! v5 A m4 ]; n, O5 v/ U L, A
initialize-settings/ {! l2 ]) W: n( s1 u$ n
; |! p7 |4 j' n# k
crt people [setup-turtles]* X7 J1 _' D8 A6 |5 Z+ f; B' {
2 D$ l8 w# |, K0 C
reset-timer4 ]5 V: u7 w0 f/ Q4 x; s) p
0 G2 ^$ @- g3 a# l; J' Y0 ]
poll-class
3 w9 u# o6 b$ v4 n/ c
, l/ l8 r q) ~5 R; f2 fsetup-plots
U+ _5 ^& I5 ~, X, [# I1 l
5 m, `6 U7 a( R) cdo-plots
" I1 S8 W% r4 k6 ^end
) q3 W) M, X3 z# t o9 H; ], w5 E* ?
8 u* f0 z" C; O8 x( z1 Vto initialize-settings: ^! \* h- F, O+ z
8 H* p4 {+ H0 {, K8 g
set global-reputation-list []( C2 I+ Y5 \3 |; D
2 F- i0 M" O x0 l, Aset credibility-list n-values people [0.5]
1 Y# P& c0 ~/ L5 s: K& ^8 c4 E
1 d3 I0 m5 N4 S! _2 Hset honest-service 0 Q6 R+ ?- y) P& z2 i
+ L, c# a! n+ e- k- Zset unhonest-service 0
8 W5 X3 K' L7 _& S4 @, p2 [+ u1 a1 k! [
set oscillation 0$ W3 L( t' y4 L
s2 P7 P2 d! e9 B$ ?7 M d! y
set rand-dynamic 04 D: h! J& l* e
end. d7 p9 K5 ], k# V
3 N4 J8 ~ C' ^, W' fto setup-turtles
# \' z! i. Y1 U+ {% l3 Q$ h) i# O7 Yset shape "person"
^) N) `7 J @. q/ p9 u/ K6 gsetxy random-xcor random-ycor5 O" k1 N9 c# M \/ A/ e G6 z: O
set trade-record-one []1 @& R" b4 |& u
; O7 j, T2 G% G9 |9 _, y5 Q4 H* q
set trade-record-all n-values people [(list (? + 1) 0 0)] 2 L$ H) |, t# a+ ]$ f6 J5 l0 m
$ q# @& w) R. x! I1 e0 }set trade-record-current []+ U% O- ^3 k; v, o' }+ d9 K
set credibility-receive []1 Z- I9 x2 m5 q( t
set local-reputation 0.5
0 D+ S( `8 b9 Y& e B9 q* {" `- eset neighbor-total 04 P9 }0 n! i6 G" V* y; x& J* U* V1 Z
set trade-times-total 0
6 f' u2 _- m6 n1 p* A. R# jset trade-money-total 0, M- V [# }8 @1 D4 N$ c
set customer nobody
* E3 d7 t, z# r: i$ D; H$ A! Dset credibility-all n-values people [creat-credibility]- p4 Z6 a7 f7 Z U" w0 m3 t
set credibility n-values people [-1]5 G/ l) C; Z2 q% @4 }8 {
get-color
8 w% j, }' v. L( m# C, \, @& A! B& M7 N& Y R& l+ x4 O
end
# u y( ^/ s6 m6 u6 v1 h
3 p$ R' O+ ]5 s/ Yto-report creat-credibility/ S. U1 p8 ~/ a0 D+ J. ?% R C$ \# W
report n-values people [0.5]
2 y+ p- e: k: oend
$ s- Q8 w( @- C; K8 O
9 m7 v; S* y2 ]/ F8 C1 P1 A4 Qto setup-plots, S2 @" T: d" O! `8 Z& K. ]& Y
a7 ^+ n+ J0 ~' L2 zset xmax 30
% B3 A' j& {+ F% x! `& V! b
5 s! ^" o3 I( Q% k* u jset ymax 1.0$ `" b. [5 o- g( [) T& @* F
2 w/ x9 N* t8 d6 k! T7 f# Z
clear-all-plots
0 [3 M m i! `; c$ u' Y' w% |+ b+ Y# n2 ^8 Y0 c
setup-plot1' m s8 X1 f; ?5 ], u# p2 ?
0 d) z) J2 @' K% b1 P- q
setup-plot2
$ n3 z$ [* B9 y/ c) i; d7 _% f/ |
* q ~. g6 N, ^5 o) qsetup-plot3
. E$ @2 y% m% n4 ~: Fend. a4 V/ U7 s: C- j8 L! _; o; J
9 E H: {- U. ^' F9 e% t1 t2 C, g;;run time procedures
Z- Z! H& U, s, O' O/ J6 U4 g2 ?( h4 Y s
to go6 F& C3 E5 y$ D
2 U% ~. ?: r. F) B( s
ask turtles [do-business]! G4 c, }9 p+ E% I' V/ b
end' F, M1 m7 i* n+ e7 ~5 K
. C# C s& ?7 M) b/ E O
to do-business 6 b: G9 y- J v, a$ C; [7 s
5 N& J5 e& r5 ^1 b8 i/ Z! ]
) z5 e6 v+ v( k8 T. G! V% i. e: [8 `rt random 360 g8 O; c+ g4 P; U: l" Z/ ?2 G4 G
3 I/ j5 j7 K+ z% |" }; o
fd 13 P0 R% R; A. h2 |- }4 ?- G
9 k$ h/ }% [9 r2 sifelse(other turtles-here != nobody)[: M6 ^0 K/ p* o4 f) ] @
: `+ G7 O/ Q( b# y: I
set customer one-of other turtles-here1 x% P6 m9 v$ L# W2 J% O6 k
t8 K) A+ C9 ?0 ~$ l7 v8 b;; set [customer] of customer myself
7 h" d S1 M" z, {. e' W
- u2 r2 }0 Q7 Hset [trade-record-one] of self item (([who] of customer) - 1)
9 K0 I& D7 k0 e* e[trade-record-all]of self* z p9 M# L' u. \- ]. O: W
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
$ X+ {( A* f9 Y
- Q* `6 m& \8 Vset [trade-record-one] of customer item (([who] of self) - 1): G) _( m1 |; v' o: G! I% I
[trade-record-all]of customer6 _) k5 [5 w2 f- V, c* _0 y
+ k2 G/ B `2 |0 @3 u$ U
set [trade-record-one-len] of self length [trade-record-one] of self7 ]& _! M0 z- F, _
w0 \# A$ b8 d3 o$ r# Yset trade-record-current( list (timer) (random money-upper-limit))
$ ^8 @/ y& J2 k( r5 X7 k8 M8 s9 U- v- J6 Q0 T% e" ?3 R/ x
ask self [do-trust]
3 @$ @% R" c- S s;;先求i对j的信任度
v' t0 r( A- x, {1 @7 U- q! A
. K8 a' Z' D' \; S# Qif ([trust-ok] of self)
. M; n5 _& p8 S;;根据i对j的信任度来决定是否与j进行交易[% ~& P& a, n! I2 q3 S
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself9 ~2 O7 y- [9 e) ? @
" O1 `: S- b; w$ c3 a[5 x2 \& b. ]9 S, }& Z& M/ k l
7 V! f3 j0 ^& C L" edo-trade9 c0 @$ s! _7 v% `
1 B6 t `* Y0 k4 R% l
update-credibility-ijl% g' l6 p: K& l, `9 J% K
( i) X1 C- z, i H& u5 eupdate-credibility-list
8 P0 w. ] F! w2 x' o& n+ J0 M3 |# \/ s+ ]) e `0 T( w
2 c6 G2 {" u0 Z- }update-global-reputation-list( `. C4 d _* g: P8 x
9 i; n- c" n" W, R2 \poll-class
2 z; E7 f: n& J: ^+ s! O4 v. y
* U2 U9 h/ ` N. @get-color* O% E" s0 `$ Z+ a5 S) [$ h
, e' m: ]6 Q* a0 T2 [) k
]]
5 n' Z! V$ u" T9 D" T% ?( W8 b; t3 e8 a0 O7 C7 J
;;如果所得的信任度满足条件,则进行交易+ G, H. X% J$ V- f1 b4 }
2 [8 F, y$ q. O7 C3 t: M. V1 m
[7 x& f4 y m/ E# k5 {. N) b
( i5 d, b$ I! Qrt random 360
! e7 b. n5 y! q5 e
# [- p" J( Y( `7 m q1 U/ M4 {, ?fd 1
) F/ U; [% `/ a2 G
7 G9 B" [; @( n4 s2 Z% v) J) b! x]/ A. B- w: t0 y
6 ?* x6 G+ V7 U3 ~0 _
end
# m7 g, s5 j' s2 R8 \- w; _2 ?2 v r
to do-trust
- D" s( c+ C" a. x9 Dset trust-ok False
+ F5 Z0 f( G5 u6 e# @2 w" p
$ ~! a+ h S0 u9 ` W6 j+ [5 k7 y# c5 I" @
let max-trade-times 0
9 F8 u& C* Q1 K; {7 q4 gforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
e/ x A; c) b, [let max-trade-money 0- | \/ E' W( y& a4 y9 I
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
0 }' h4 x+ Q& w* p: [let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)); Q3 ]3 ?6 O9 Y" @/ v# K% a
1 ^% _& s- K# ?% _) |
( x1 X; j7 Y2 A" hget-global-proportion
4 L3 D! f5 ^5 W2 Y/ s0 ]; F% hlet trust-value- D! R p: n' Y: C" Y" P
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)7 b( m# g; M- V" J
if(trust-value > trade-trust-value)
- j4 h, M) m- E# p[set trust-ok true]5 |1 `. f3 q9 n" A! o* p
end8 ` B9 e- D y# S) }2 x$ f
2 R% N. U; L2 r% G0 T$ ?- h
to get-global-proportion
: F7 V, [4 I$ I9 m& p5 Hifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)7 C. b+ X2 V8 W. ^* t, d
[set global-proportion 0]: j6 V# C* {. ?& ~; W# H
[let i 0
' h$ t9 x: I3 a8 R3 l6 a& hlet sum-money 0: Y ]9 y% o9 {$ c. n0 r5 y! p
while[ i < people]
/ r4 v; L! w1 |" j! W/ ?0 ], J' y[
! q9 l9 z' P$ ]if( length (item i
- L, H) S6 O9 b) z/ b[trade-record-all] of customer) > 3 )( N7 W- O" @" Q$ [
[! {6 |" i; O8 n- z W, f; g0 W
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
+ U$ ~& w- {9 |, Q7 U]: ^$ _/ l: Q+ S/ n5 I
]
# G+ z0 D4 z( o( Plet j 0+ R6 L6 }" r, Q$ ^
let note 0
c; T5 {2 O0 C5 E# [while[ j < people]3 j5 m8 S; M: n, y; [% [$ V
[" E# B% N5 u9 G; d
if( length (item i( \, `' J1 {/ ~8 K: g
[trade-record-all] of customer) > 3 )
1 U% l7 b& H$ ^) v[( y5 N7 z7 p" N
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)9 H% L+ Z& Q$ K: q8 V
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
$ W" r! B* U0 x7 e w- J[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]$ T4 ^6 t' L: N N( L
]' F# D- u, G. x! M* c8 e: \
]
( R2 H8 X+ y: E. U7 Tset global-proportion note
6 ` K1 C8 W9 o5 Q: {]7 v+ d: {6 b: l) b
end+ ]1 Z! Y- {1 Q, O% W
. I6 N" |' p0 @) f) H' |' [- L; Tto do-trade' k# m+ z3 z( T( o% O7 V" `: H- r
;;这个过程实际上是给双方作出评价的过程
" r# y+ w9 k" g$ q- jset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
' F" i, L8 Y, \- j G h5 {$ v+ nset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
' E5 L" z5 n, G+ oset trade-record-current lput(timer) trade-record-current, C3 T) j9 q4 y8 T3 s, r
;;评价时间3 Z8 L1 I) K5 c5 D! T; y% [0 i! a
ask myself [- L% u! |1 n% v1 N9 b: b# {; l
update-local-reputation2 K: Z% a* ^* v T4 ^
set trade-record-current lput([local-reputation] of myself) trade-record-current _6 B7 f) G) P- c
]
6 j5 Z1 G( C& G/ m& dset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
3 G7 S# H9 j- z1 H" j f1 s;;将此次交易的记录加入到trade-record-one中# p; `/ ]" C5 e" d3 ~& }2 Z4 `8 H* b
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)" l; h& }( s \$ } G
let note (item 2 trade-record-current )
0 `, [& U* W0 J( |* \8 jset trade-record-current
9 ^7 [ Q2 ]0 U9 h(replace-item 2 trade-record-current (item 3 trade-record-current))% U& g4 _1 E8 I1 F
set trade-record-current
# z$ A4 v& x2 U' C(replace-item 3 trade-record-current note)! b6 R. @& [- O6 i# f( B5 r0 R
, A4 G1 n) x) w- D, J2 }5 a
' ^* }( ^" _& D+ S9 N- t& r6 [/ ]ask customer [, Q" a1 o; y0 h1 x
update-local-reputation
0 {- R! G8 L7 o2 U$ K, Vset trade-record-current. \8 J( ]4 T- S
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
$ g) R' u+ e: Z0 `- y6 O& a3 v]8 A G) t& A0 ~4 [6 o
3 A( ?- x, m- P5 P" j0 {4 P$ F. j' ^1 F+ S* Q! V
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer! z, O7 @* f* z) _ i' t) J
3 ]5 A1 S) G+ ^! P
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
1 s. E& _7 R U$ ]. t2 Y;;将此次交易的记录加入到customer的trade-record-all中
) Y9 {8 O7 \1 O9 u9 m5 K9 Zend* a# p* z; k. L3 I1 q8 V; Y3 L) v
; c8 i: Y/ x7 C7 @* W) vto update-local-reputation* `1 f( z) ~+ W" t; R" \* K
set [trade-record-one-len] of myself length [trade-record-one] of myself
; Q0 O2 a7 T' T! M5 p8 [! w
' t0 Z! e I7 w, @0 w& u; d9 {8 u8 t& h+ u4 ~) s
;;if [trade-record-one-len] of myself > 3 6 \& P9 \8 S: q- D% \
update-neighbor-total
' @! ^4 C) K3 o& X _# W9 _# y;;更新邻居节点的数目,在此进行4 D( t2 x0 [' Y$ F
let i 3" W$ d' e9 z! u% k2 G
let sum-time 0! |5 c! R K; Z6 v
while[i < [trade-record-one-len] of myself]* y$ |5 I' Q& @# |
[, W0 k/ ?0 a9 w0 C
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )& J* s+ o. G( e% @
set i
/ n. m. O, `( A, Y+ j1 z( i + 1)7 ?: d! J" P" \ x% ~2 B- B" G' M
]
, t% \& f) W: q# Zlet j 3
. Y) h1 M7 t# Elet sum-money 0% T% k' p6 C9 C% t! ~5 L- P( b2 p
while[j < [trade-record-one-len] of myself]- j* S l: N: L: ^
[
; v9 q3 D$ U* aset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)4 J# z4 Q! P/ m( K7 |' F9 t
set j1 H: O: ~/ p: ]0 C- C
( j + 1)
, m' W5 [2 n; j( h- a% v! D/ z]
" d3 |8 [0 d3 }& _1 g) qlet k 3" U7 v: X) g$ H" w; b
let power 09 S# w( u- T7 L- L
let local 0
: v$ n1 S, L. J3 S9 Z" Vwhile [k <[trade-record-one-len] of myself]
/ _8 P# [1 w, S4 y x[( U1 l$ K- ^9 c# Y6 G
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) 4 ]9 z" r: E/ O) K/ ]3 }( ?8 e$ o
set k (k + 1)5 N3 m) b* p. p* w' J
]- h# Q& a0 P9 {2 {4 A' {. K! ?
set [local-reputation] of myself (local)* R6 `. B/ z) m j8 l2 g8 O- G
end
+ u. K( u! T' F
; u4 k" O2 y' `% @to update-neighbor-total
) K. T: U* k* @) Q2 D4 P2 m, Z. ~3 @
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]: D8 }) e- @- j, ]
1 F) K- o+ ~ ~8 k& u
1 |) w: G/ s2 T' H6 i3 P
end
9 y0 p6 X6 L$ ^+ a! E
+ Z0 W- S6 P* Jto update-credibility-ijl
0 l5 t' @% V4 ^+ G$ {
: @% {, N# ` v! N2 \6 K5 ?;;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。" n" F" P: s' h: X4 ^
let l 0+ Z7 L9 w! _) T0 e5 ]! ]9 S
while[ l < people ]
+ M/ f1 m+ A1 ]' m3 L;;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 }/ `+ [" R! N" z; F
[
) F1 f9 \# f) `' Ilet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
6 b) F# }: A* ^+ r, p( B r4 _1 `if (trade-record-one-j-l-len > 3)
6 z- W( Q$ ?) d# Q. J% c5 c" _6 }[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-one7 d' s% f( f; ~
let i 32 M+ _$ g; S/ U
let sum-time 06 G* p3 k4 v" Z6 ~
while[i < trade-record-one-len]7 O5 R3 B+ V+ q
[( G" K) C' _8 R
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
, e; x2 C I: G8 N( ]7 q. s& d3 Qset i
1 Y& Z$ ` C: X3 W( i + 1)
! ~3 C7 ~2 ^1 W! F]
2 K' k4 F4 u. llet credibility-i-j-l 0$ P. x$ s/ N. b. Q- u0 P) A
;;i评价(j对jl的评价)! u2 i- i% F7 a+ H
let j 34 C! d0 e0 l" M- g% x; }- l) }4 g" ^
let k 4
( F S3 [! { |6 y6 s% d) hwhile[j < trade-record-one-len]# \0 y+ G D2 R% T) [# u$ j' P0 V
[
5 X2 W! ?: Y- W, G( Jwhile [((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* {$ c7 x* m% j- N! u# `1 Yset 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)3 v2 K J+ |2 O, F- a7 A0 q
set j
- \& |+ o2 B6 [6 A+ L( j + 1)
+ L, K' R* u$ f]: o" p7 b X& i
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 ))" j* d6 o3 Z4 T: r0 p
3 p2 {/ ?& d1 |' w
% @! r9 ], Y) t Alet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)). Z' V- O% c O
;;及时更新i对l的评价质量的评价" ]- `% t- S P, l
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
/ U6 c- C1 ?- o$ l8 X+ oset l (l + 1)7 H6 ~/ C W* u& Z6 i
]
1 p V" L. S' J6 b% R4 Nend" C! y$ A! B. Z! c) i; i$ o! I
8 D5 Z- ~6 X# D' E7 Oto update-credibility-list' C% Z% ^0 L% Z7 [6 R9 L2 i
let i 0
0 F: C0 w5 J. T2 ?1 y$ B. A% Fwhile[i < people]
1 F3 V# \0 ?9 w0 l ]# w[6 d+ g& q4 ?8 C/ {+ u: t
let j 0
. v. s$ g) v8 q/ f5 y. ylet note 08 F, @2 {* U2 K. u" W" [* V
let k 0: }$ _3 y j" Z6 Z# I% ^& C
;;计作出过评价的邻居节点的数目( D# w; {# I( w. _ ~- a
while[j < people]
- e7 d6 V" ~6 A# Z4 c& k[+ D& k j7 I) T; z5 j; Z. m5 f
if (item j( [credibility] of turtle (i + 1)) != -1)
, s) @9 t8 s8 e0 R;;判断是否给本turtle的评价质量做出过评价的节点
, C* `; w: _0 j h/ t+ \[set note (note + item j ([credibility]of turtle (i + 1)))0 v$ ]. i) m1 h4 o' q+ Z
;;*(exp (-(people - 2)))/(people - 2))]
: e* P, e) G' W8 a* ?1 Hset k (k + 1)
4 v1 |# C9 F/ M/ g @]
" a" R) m4 x$ L$ y6 s7 o9 `! y4 zset j (j + 1)+ ~; @$ m' @& r% _
]/ E8 g! A" n: |- @
set note (note *(exp (- (1 / k)))/ k)3 {$ X3 H! l5 k8 d6 R1 ?
set credibility-list (replace-item i credibility-list note)
0 R% B' {7 h* D7 Q5 aset i (i + 1)
' r% M4 A; ~( ?& c]
+ u8 ~& `0 ~" k/ Y* Uend5 b" [2 A( l1 b- I0 G4 G
# F% s, b" ^! g2 Y' uto update-global-reputation-list
( F: D8 N* U4 U* z9 Llet j 0
9 {9 |* R% p4 U+ jwhile[j < people]
+ k) l3 ]: q4 L. _1 F- u8 x[ L# |1 X0 f, T% e
let new 0( d- W3 u( [2 q- R5 j0 o
;;暂存新的一个全局声誉
- N8 \7 W/ Z, l/ r9 zlet i 0
) Y! I9 c8 b" J8 s8 i% n8 t5 Wlet sum-money 0
) ~7 F8 `" l' e1 b u4 \* klet credibility-money 0; D- ?5 u9 L0 e! g( f/ B4 W+ H
while [i < people]
- n5 B7 q$ q1 Y" m$ a[
& X0 H! X) Q7 m2 B9 ~set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
, e4 `* l( e1 q" ^set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
) n4 B$ a. W$ m7 K, u3 k$ Lset i (i + 1) w' J, t8 m3 m8 y
]
/ S+ f, r( J5 u9 z: @( m2 tlet k 0
3 ^8 w3 i+ Z2 w# T; s1 X1 [! u5 klet new1 0
7 Q$ Z U2 y8 Ewhile [k < people]0 _7 S5 a0 n3 p! c
[
* _# I [- a# Y- d; V2 \: U$ |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)! g" _3 N; q1 C d$ Y
set k (k + 1)4 k" g3 E, r' B U
]
I ]. ~; X4 _8 A0 t# Cset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
& E6 w0 |' y& U2 g: c# Sset global-reputation-list (replace-item j global-reputation-list new)# z+ `6 Q0 h4 z$ [7 r4 [# _
set j (j + 1)
& B8 A7 M& F: z]( p5 ?" T% b: E5 T+ V" P/ f3 L
end" A) c7 U8 p. d: D, @
( W, p* F$ S& e0 u' ^4 x
! N$ }- O0 J' G
" L) T) G1 N, M% O% ]. x. w: i8 o' _to get-color& z! l5 |: n" m% P, X5 Z
1 e' H) o4 s* W9 ?
set color blue
- v, ~2 i, A, y' Wend
% j9 f o7 M; h2 j' G6 U
( P0 I0 T) I8 S$ oto poll-class
& l2 _! I" V; F8 U; I3 rend' `! l5 ?0 l i5 U) w5 V$ q
8 ]% |6 d! K5 c& _/ w3 T6 R" B
to setup-plot13 y/ G. Q5 P. C* `2 w
' P8 K' a- k6 T* w. C
set-current-plot "Trends-of-Local-reputation"
; z# S: R: P) k* Q7 P+ C% K
: w9 ?# \7 t* ^1 Y) u5 C0 r, R& M% O& mset-plot-x-range 0 xmax9 p3 t. N' L' |
0 H: L0 \6 j6 c: uset-plot-y-range 0.0 ymax
; j: B# a- K7 z( w! H. N" aend
$ E, q2 @5 P U% \ J8 j. V4 b2 D2 s
3 j7 e+ y- i Z7 H7 |to setup-plot2
# _2 y# p' D2 ?' |0 H+ ^, [$ _" Y$ o, |1 R* ^
set-current-plot "Trends-of-global-reputation"
% u, w M6 W! z( m- e: ]) O
" ^# _4 G- [" B9 ?set-plot-x-range 0 xmax+ w' x8 U" F0 V4 t# @6 d
$ [! |% V) q, Q' `: |/ Nset-plot-y-range 0.0 ymax% T; a8 k/ f% ^" j& K# }
end% C9 K7 T9 D( P1 C% D
3 P% T- @$ l6 Y$ G3 v8 f
to setup-plot3
4 [5 Y" _+ J6 ^' t1 \6 a8 b2 e
% N+ H! x, ^) e& ^ Cset-current-plot "Trends-of-credibility"
8 N8 [6 A1 w, _8 Q! p$ g$ o6 X7 o6 s3 J- l+ B( x) U5 x
set-plot-x-range 0 xmax
1 y7 G* {, `! p9 U' {9 K' \1 O/ r$ U! ~" z
set-plot-y-range 0.0 ymax/ v: n/ F0 G2 M
end
0 F T# A( P; x7 Q" ^ w2 w, S: G: o& U; A( K" X7 k8 \- h" \
to do-plots
5 s9 W5 q6 ]0 n, ?! p4 a2 D- aset-current-plot "Trends-of-Local-reputation". z( n/ q' J2 d0 S; ~
set-current-plot-pen "Honest service"
- u" L/ x) l- T: m3 P+ s6 s) R K2 Jend( Q: q; B+ k' N" B) g9 [
% F! f& n7 U0 T- V- h/ @0 a j[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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