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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% ]+ r! k3 o- U) z& P# \# v
globals[
4 J3 P& i3 M7 x9 Rxmax
6 l8 \. O( p# }ymax- S4 B5 r2 M4 K2 H
global-reputation-list
& X) l& P: c* E* w( X; e [3 D2 X: M& C! _
;;每一个turtle的全局声誉都存在此LIST中8 S, B Q6 C* t: F* k) H
credibility-list
! X V: g0 B0 ?" t0 ~5 c+ Z;;每一个turtle的评价可信度
4 `4 G1 [. T+ G2 H* J/ |honest-service5 X8 [9 l2 n, X( [# R
unhonest-service7 s! q2 ^ d/ K0 b! {
oscillation$ C" [; m; I0 n
rand-dynamic
. x: U8 k0 }* c3 } x]0 F Y$ _2 ?2 D' d% s! w% j* C
" R: c& d2 n" ^3 l' h* Sturtles-own[
% Y5 E i+ i- b3 A) Gtrade-record-all7 x% j* u0 l4 I
;;a list of lists,由trade-record-one组成0 N* y+ V* _0 O2 x
trade-record-one
/ M5 B% \( I4 J;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录2 v4 ^+ D1 h2 P3 d( V
9 o! Z: Z4 X4 j3 ~. u4 E3 Z
;;[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]]! @+ V, i" [! x3 ^, c6 W
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]
) P K* K# b4 u5 ]+ v) A4 x8 M- X) m Ucredibility-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
7 D9 f1 e ]; @4 E3 y, I1 jneighbor-total
' N, j! S" |* g' [" q3 y8 Y;;记录该turtle的邻居节点的数目/ l% {- u. d) I! n
trade-time# _9 a5 A" s4 s u9 }
;;当前发生交易的turtle的交易时间
6 e9 `# P3 c& W! l& x1 \2 W% U: lappraise-give
# c& D5 n3 E1 U% z: F+ _& v; ~+ A;;当前发生交易时给出的评价
" @) K9 h! O, G9 }6 Lappraise-receive
) D1 K& T5 O/ r, H9 l% L- P;;当前发生交易时收到的评价
: D! j! S1 g' C. I# v5 T+ fappraise-time
6 L7 Q0 Z+ s; W;;当前发生交易时的评价时间
9 O. m% n0 ?! y* ~& ?local-reputation-now;;此次交易后相对于对方turtle的局部声誉6 R5 R$ n; H. f/ {
trade-times-total. C3 U! g7 B! g0 J
;;与当前turtle的交易总次数* H7 I7 J; W, j+ U. G) D
trade-money-total' x3 U, M3 V: _8 C: V9 f
;;与当前turtle的交易总金额
1 _& y/ b8 F0 f+ A4 p$ l- V& {local-reputation; ^0 ?* Q9 V `4 N, O1 f! W
global-reputation' d, U/ o( A4 X% [: m
credibility
7 t- i6 W4 Q- B# I;;评价可信度,每次交易后都需要更新+ j% j! A5 f( `) j& J! M3 r
credibility-all
1 v2 k x5 r- z9 `' 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2 b5 E# E3 `4 K. R' |8 r
' J5 P+ |3 ?9 B, P5 M8 k8 C
;;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
y- B- O2 ?* t3 p3 @5 x jcredibility-one1 t. Q/ F' F6 o5 O$ f( K
;;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
# W+ X. t" D1 w% l+ M" {global-proportion( m5 T* |! N; n
customer
. H, t4 i/ F3 T$ H' Z2 ^customer-no
: ^+ E0 c5 U( X9 rtrust-ok
$ _' y v/ h2 h/ otrade-record-one-len;;trade-record-one的长度8 B! Z; ?; G; S1 Z4 x
]
4 X9 j* x/ ]6 q2 T
# b9 E0 e' u# r4 b. F1 g;;setup procedure$ \2 Q# Y( F' s1 |3 e) Q! g
! r5 b* U5 S, T- h0 ?6 U5 T2 \ t8 lto setup
% S' l; ^. v+ D# Q9 B
, i# @9 L. k( a" \7 B* cca7 }9 e& ?& y" I- X' X v
1 h4 p6 \1 \% R9 {2 P) D9 Yinitialize-settings
+ s h" l1 g7 W S* l! s, E& R+ U! ]; m
crt people [setup-turtles] m$ b2 {; V3 D* Z/ y
, A& M0 r- s1 s! Z
reset-timer
- o8 a0 ~8 L: q; M1 M1 A L9 k: K: M q c
poll-class9 Q0 P# a2 P* |9 E
) V- p0 V, _2 J6 w& @8 J! V
setup-plots, F1 {2 }2 t0 ~/ m! _, b7 c8 d; {
9 H' a( z- _% F' Q$ ldo-plots1 l& G) K% N6 ]5 q
end
0 }; y1 @7 W5 y0 x' l) ~3 ]. n+ `, @/ V6 ?' J
to initialize-settings* K4 a$ T* t6 n( K& E% G, W. V% t" _
/ I3 g9 A$ v. q3 m {9 m! S
set global-reputation-list []
! R: |8 u1 N) e! Z
" r% J1 _+ W+ ] r/ b+ Y5 gset credibility-list n-values people [0.5]
; t/ c" h. W& Z1 V0 P- [7 K: E+ Y N7 w' U8 A% {* y
set honest-service 0! C' T2 J' i: B/ a1 g7 [' ^9 S' p; A
- r# o# K" g' R* g3 k8 n5 f
set unhonest-service 0
, `9 M0 S/ V! w4 _+ ^' s% e! N9 m8 h; M T9 E
set oscillation 0+ w# T, R* `' `5 A2 S4 V
1 Z5 E9 `' A) v0 J' c qset rand-dynamic 0
3 p4 l* g# H( Z& p+ x6 s- x2 J/ Xend; e% p6 a8 n6 w$ q5 K
7 q, n6 t! z' ^6 b6 |
to setup-turtles ( E! c7 L0 k" u1 D/ p
set shape "person"
6 p0 c8 }2 X3 d9 \& R) Q1 V* u" Qsetxy random-xcor random-ycor3 \4 G$ M2 i4 {/ u% x
set trade-record-one [] n& ?& n4 n' Q3 _3 ]
7 ]3 w5 _, p/ R9 [' iset trade-record-all n-values people [(list (? + 1) 0 0)] , u! y/ W2 f9 F
& |8 q6 }. `2 f6 L7 Iset trade-record-current []
% f$ _: g! M$ F: x% d' W& H7 `7 D0 Vset credibility-receive []
d+ ^1 X* `6 a8 F8 ?- hset local-reputation 0.5; x c& u, S+ p. x8 F
set neighbor-total 0
( G7 b& r! W/ I1 d& }0 r- D9 l2 u. `& Cset trade-times-total 05 ~" L+ Z% R! q
set trade-money-total 0
' l O* Y3 I$ e* O( g9 ~0 E+ ]set customer nobody: c* b! Y! A& O) x4 T
set credibility-all n-values people [creat-credibility]4 v6 g6 Q9 y4 z
set credibility n-values people [-1]1 Q& h6 ]& W9 c& l6 ^3 F
get-color
: n- P# w. V y/ h/ s* T0 v3 h
end
2 t, R0 ~4 J% C, g% u* q6 W
y0 m+ j5 n" i# d( n- d9 }to-report creat-credibility1 y: b& s) [; N h. O- l
report n-values people [0.5]8 @2 y4 `. c* p7 U7 ] F, }
end
; Z' e" Z# D* N! P& [( y/ J$ Y. t( C8 _0 E% E- q" e' C
to setup-plots, u0 p. q2 ~" O9 b- S. V
- z- I4 I- X' f1 V4 iset xmax 30
3 ?4 u6 e, T- T7 ], T" P/ u2 ?) w2 l# h' t
set ymax 1.0
' h# |; q: A o. X5 s. x' Z; u" p/ H) l6 f% C
clear-all-plots
4 B/ o" U5 x4 m/ f' @/ N! L" R; L: c+ |) c6 }9 i
setup-plot1
H5 S+ \1 j# }4 I2 N1 m" E+ g7 g5 V' a R X9 ?
setup-plot2
; R" [+ n* s2 ]. q
W# i1 E* T* z m8 Psetup-plot35 X* L8 A! R3 f# N6 l/ F, A
end N9 F! v* z3 V5 H
$ G B9 Q+ K& J
;;run time procedures
9 b6 z$ J: P/ f. M/ j
7 W! r, U' I+ M- y& }: Z5 uto go- g4 o0 _- \5 u
& V, v- z/ ]; Q1 P0 w/ S: eask turtles [do-business]
" W2 e2 E6 |* c" `. P! c0 ~- vend# v% a- k; a' f- {
" A+ L1 e) D. Y
to do-business * w' l. a s, p; ?% W
" W8 d$ T4 m# r* R |7 v% l- u
( [, S, n8 n! b1 Xrt random 360
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X, X2 ? C: E% v1 f/ _9 S |+ Kfd 1& m( u8 e* J; ]' g: s" w1 _
$ B* m+ ~' y- ` P4 M6 g$ @
ifelse(other turtles-here != nobody)[/ n' V9 Q8 s% U! A
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set customer one-of other turtles-here0 N) b/ X, M, d! x
: K+ u* |) H! A$ v/ P; I;; set [customer] of customer myself
: y) h7 ^! C7 ^8 q1 E0 s: a2 J1 F$ e2 S$ p! E
set [trade-record-one] of self item (([who] of customer) - 1)
9 n+ e: U8 c% O6 {[trade-record-all]of self
& E% Z5 a5 J. C1 P9 P;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
b" O0 ?1 K6 e# J# W( Y |% {# Z; W! |6 i' ^+ m
set [trade-record-one] of customer item (([who] of self) - 1)1 ]4 C0 W. U P e! K2 ~, f
[trade-record-all]of customer
?# Z2 I3 K' } `, C1 K0 N4 ]0 x$ i4 r1 X' o2 U# }
set [trade-record-one-len] of self length [trade-record-one] of self- |% d. f: R" |. ?
( ?. z a' o" y* f3 _set trade-record-current( list (timer) (random money-upper-limit))* b; C& L+ G6 U; p1 y& P& S" f8 l
: Q; ^/ S. p* Q. x3 F
ask self [do-trust]
$ p8 R3 _: X& H8 i+ ]5 K% u7 Q;;先求i对j的信任度
p" T1 `* j$ c& P/ N6 N1 Q
$ V R4 E% q+ Z. [: c tif ([trust-ok] of self)
& g; O; @ r2 A+ Y/ _% k# s9 M8 g" i;;根据i对j的信任度来决定是否与j进行交易[
: {8 \4 \$ \. q1 k. Cask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself" b% q& J- }- ]# R7 r
' c2 p4 z R! S' b) k6 N6 R/ U
[. a* C( r( U. q; b- i$ ^9 h; ~
" K" u! {( G3 t: O: ], ado-trade
! C6 v/ o% b7 U" Q' Q5 ]3 [# o8 U$ @3 }0 z9 Y
update-credibility-ijl+ J( B6 X; \. B* |2 d* Q
( s* z7 y2 \) ]update-credibility-list
, A, L5 y5 Y0 d. z
. O, v3 M3 B j2 _
5 F! L' T' N3 Q" y+ y7 pupdate-global-reputation-list- P2 k$ m* g6 s, P0 S+ B5 E+ M
- V( r: q; C+ ]0 W* P8 z% |4 w ppoll-class7 h0 Y0 s. T6 x& z0 g- F
" [8 e/ i, x: h
get-color
+ b1 ?: V5 Q) v) |3 n8 n
$ r, T- s4 p# f7 t]]
5 u6 }1 l: a; G) V7 O8 q/ f
5 V) M6 p c% D4 m* r5 Q;;如果所得的信任度满足条件,则进行交易: I6 a O5 U: D3 y% J
# _$ A* p [4 \1 m[
4 D3 h0 e8 K1 |; S, E8 p
6 Y7 `; U; I. p! E% X9 a4 T3 g6 Hrt random 3606 ]4 K3 c+ W; Q) I
5 H% w3 e$ J* K& N3 S" q) L. \+ l$ Afd 1
0 ]) w- U) `9 H- u/ v% }3 I, e+ Z& \
]7 t1 X# m: `5 I2 E1 ]0 V: c$ b( q
! X% X; Q2 W, @' g8 \' X/ E
end
) R/ A3 H/ U( O1 t( L- S9 |5 }9 e) x6 K% ?
to do-trust 7 B! L1 } r" r7 z3 X
set trust-ok False
! \+ e$ _/ x# z3 a$ z8 \ K3 H0 ]+ W' L$ p* F
V2 Y/ Q) M1 L- [, u8 L9 f6 h
let max-trade-times 0
\7 o6 F6 c; w- n" M- w" Rforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]. J$ F2 S: J" Z5 P
let max-trade-money 0+ Y9 }3 L0 A" }4 ?! }
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
- h* t- R8 k( u$ P3 c/ e1 qlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money)); v/ {* q) K& Y' b- {% I
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& y7 `7 \0 Z& }' l
get-global-proportion
. T0 t8 i. |: h, z* _let trust-value6 q& W8 x& v4 q" {+ e; s3 I8 q- ?' R) |
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)! F0 {4 ~3 R" B
if(trust-value > trade-trust-value)
1 G8 {9 F: K7 r" P/ y7 g) [/ B[set trust-ok true] d8 L* _2 c# e9 |* S
end3 H3 T4 Z/ o3 N' {3 c: q) e" K) ~
) ]! B5 C9 k7 j) M
to get-global-proportion; Q k- g* O9 h) P; M; n
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
& z- p/ P2 P+ O8 e# c[set global-proportion 0]
! D; x) k$ ]! D% l+ A o; _8 Y[let i 0
# ]3 o2 D4 [. P4 x6 Rlet sum-money 0
- _( y3 z- R9 H1 gwhile[ i < people]; `9 |$ r7 D( `: r1 k6 p# i
[6 `3 m+ k! v0 D6 h( o
if( length (item i
8 R6 q! }; B6 @+ s f& i[trade-record-all] of customer) > 3 )
0 x! u- }+ r4 S2 }. m3 r[$ x. |# g' V' g3 k i. a( r
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
# d: P( p$ |; D- a- B! J) C7 p" b( x+ g]+ d" Y8 {; _0 D+ b* ^" r
]
/ \3 f6 i" J8 y s" s! glet j 0" M& {: K- J, O( O7 T4 Q
let note 0" t, f, V" H& v
while[ j < people]
6 M* ~" c) R3 X0 a- o$ J0 [4 d[
6 h8 H7 B, ~# r3 b! A" G3 Uif( length (item i# N1 Y8 B7 T0 M/ Y% v/ K
[trade-record-all] of customer) > 3 )4 i. C. b8 H1 v9 w( G7 C5 `/ ]
[
: w$ T* L* s7 E, N' W" z. y6 {ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)# F# H$ P* A; G6 X7 c0 J3 J
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)], Q) h+ }0 l7 v. ~5 S! B
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]! @( l: b" t j6 y- F
]6 N& y) I p) B' f* b8 I
]
3 e4 O8 F- C% Y# @& S& Fset global-proportion note: K' o6 D* A, i3 N& A$ g$ w: }8 G
]% R$ H$ p5 f3 \: J) k2 x9 H
end( W* x8 @/ A N: w0 R. H3 L
) a+ E+ H$ n& ~' I1 G7 w2 nto do-trade
6 r, M% B! @( D& q" C+ K;;这个过程实际上是给双方作出评价的过程/ j3 q# G: B- _- H
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
2 @! O3 k9 d5 `% mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
6 _- ~& O$ G2 N5 y$ c0 H1 Pset trade-record-current lput(timer) trade-record-current/ D$ @3 ~ s/ W5 Y' F% _+ l
;;评价时间' ]+ g/ Q% g- J) ^1 \1 r1 a8 w
ask myself [$ g C3 p8 b3 M) Z4 e
update-local-reputation6 v' i" ?$ e: j) m& e
set trade-record-current lput([local-reputation] of myself) trade-record-current
" o! g; W. U' g* B]: b7 t& B& }' w8 \ I9 z/ H) L
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
, Y9 L$ ?. @ E$ o! O/ b;;将此次交易的记录加入到trade-record-one中
6 Z* l% x o; v K, m1 hset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)! ^& U @& h- d' P5 x6 L1 |, q
let note (item 2 trade-record-current ), K% Y4 m( n9 S" ?6 m( C2 H
set trade-record-current" k* s1 W4 G( H5 P
(replace-item 2 trade-record-current (item 3 trade-record-current))
, K T' y( i4 M Yset trade-record-current2 j5 Y6 a5 I7 k0 a3 Y2 w- y O
(replace-item 3 trade-record-current note) x2 z( I. L8 [0 }7 y
& j3 `- X5 O3 u9 u& X: C! m* A& \
6 b. m7 e; G, ~ask customer [
J$ J* g$ b4 T, s+ ~3 mupdate-local-reputation
. C: g! m$ `- S6 u0 @$ c$ }/ K! J% Lset trade-record-current; W2 a7 q" Y5 m/ z+ d+ j$ `
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
8 F+ i6 P3 m5 u# ^]# v q; ^: z2 k
6 J( d" R! N4 s" M; D6 L& S0 j! N( O2 Q% K/ z
set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
0 e& M! x; U2 R- o4 u9 @7 @. N0 _$ v; a7 L" U ]* v1 ^
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))9 k, e K* @" ?8 t& H/ V& s
;;将此次交易的记录加入到customer的trade-record-all中, B; F" s5 V& [7 p; I" I
end
+ S3 T; i# K. Q. U! a% R5 U
( m5 ^) z. Q3 b! q6 ], y$ e ito update-local-reputation
2 c: e+ ^: [3 n2 O+ n. dset [trade-record-one-len] of myself length [trade-record-one] of myself
7 B3 {. i, T; o! X
4 L# E% k4 L6 ?* X" @0 l$ ^7 P5 e1 `# s8 ?! Y! c/ M/ u
;;if [trade-record-one-len] of myself > 3 7 Y9 |; @# \; l# O
update-neighbor-total
' k5 v m. K$ [3 A, u& g1 o. I;;更新邻居节点的数目,在此进行
& C8 {7 E; S: H; B+ Y, k0 g2 elet i 3' _6 N6 W; T3 \; T9 \. S' l( L8 j! j
let sum-time 05 e* Q6 D B$ w9 P/ g4 S4 F3 A
while[i < [trade-record-one-len] of myself]' b+ N- a2 C5 ?* b& j' ]# M
[
2 ~# a5 b5 N% E6 i0 h; X' }* Yset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )' H. k+ J, e5 e. P) a) Z
set i8 F) u5 H+ m9 t
( i + 1)
8 Z0 G9 x( ~. D9 K- e]
# u- O/ N8 c' W) f) @4 p3 Z: l9 M* Dlet j 3
' [* g' c, {! ~6 U0 slet sum-money 0
* `( Z, T* E& M5 `7 l3 o! kwhile[j < [trade-record-one-len] of myself]) Q; i5 E+ v, D
[
+ G; ?( W/ K2 Z8 I+ gset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
* K+ w7 e( J- L {% kset j. V2 o$ Q4 f9 f: O. T3 G6 q8 P: I
( j + 1)3 U/ \. |8 S5 Y- x0 P* W1 i
]' F% a! t5 U* r. t/ X
let k 3
) u7 l7 b4 _; G) \let power 0
4 b$ e, B0 M$ |let local 0
$ y# C9 b! n% a& u4 G+ Lwhile [k <[trade-record-one-len] of myself]. R2 H# W7 w' l! P5 P& E" y, B! ]
[4 D& {* p" W j2 e( f# 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)
. l& q% D/ _5 H: u% i: pset k (k + 1); F' F. k7 ?1 P
]9 ^1 P8 V' p( i: F" [' Y3 A
set [local-reputation] of myself (local)
4 b; S4 P7 V! u! [! ?' @end
7 Z" X$ g @8 _ ~) X! ?0 M( E. V1 ^
to update-neighbor-total) z5 U$ _( H* D& ?) r
1 }& U" O$ }& N' i8 d+ \+ k
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
$ X, m: I) I7 \ p) A* a* Z8 U5 z# f) @4 ?0 u2 `
$ J: g7 S# Z' J+ R
end. P+ D$ p; w& v" |8 G. K
, r; q m( t' S5 z a
to update-credibility-ijl 5 I( ]! Y. j) `5 Z) n8 s
: C1 N) c) \8 E5 T' Q* q
;;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。
1 v9 s4 {6 K7 k* a0 I+ llet l 0( k$ ~/ Y! B+ M) R
while[ l < people ]8 p2 j% f' l, l2 I% w
;;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
6 f* e1 H7 P2 h$ j/ C+ f& q" j- p) c[6 V W1 Q; c2 t4 M
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)/ O$ M, @. q$ {0 N- w8 ~8 ~! f6 l
if (trade-record-one-j-l-len > 3)
6 ]# |# }8 s6 M$ N5 }[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" D5 {6 Z1 Q( M! y" I/ p) V0 d
let i 3; l7 z1 B: n# {2 n
let sum-time 0
) j0 H3 t3 v5 _while[i < trade-record-one-len]/ Z( B5 D8 I2 }0 F8 e
[) d1 {& V: s# x8 ^% I, H3 v) r- B
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ). Q8 K# _# }+ f7 A# b
set i
: X; `7 c* |6 k( i + 1)
. U) O& J' l; w8 j8 u]
" m# P/ J3 y! ^" Hlet credibility-i-j-l 0
" p# f2 n0 n( q8 x& D n0 c6 j4 Y! ~;;i评价(j对jl的评价)
1 a. ~7 s+ P6 r1 L P: V" d/ \let j 36 Q: T- b/ r$ v1 \
let k 4/ u: L5 y+ [. p8 u! R1 e
while[j < trade-record-one-len]
; P% T6 f4 r. l8 R: E$ J[* H9 g S* p( C! p: k: Y
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; t/ t& ]" ~0 n( F
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)
) r* ]( G3 X( e/ pset j0 X# _( T& O" w3 U, D }4 W+ ~
( j + 1)
0 m$ ~3 J; B" T4 [% Z: f8 E]
# Q) B0 R) z7 T1 G5 w; w/ J, }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 ))' a1 C4 @9 x! t/ R0 e
% `+ N3 g( N$ x1 n0 ^' r5 T
* o4 b# L$ q- N5 |) elet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2)), V0 W; t, J) N
;;及时更新i对l的评价质量的评价7 I3 u3 G7 U" i I+ l, a5 u
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]. Q6 h6 p: |/ T8 O
set l (l + 1)/ C/ @6 }1 N: B. X
]& c6 T( L' N5 R* h
end6 d2 _" `* f" G5 \! Z
. `; }1 }* z: X7 k# T( dto update-credibility-list+ b! f# X7 ~2 `8 Z0 B
let i 01 G1 D) P2 a/ K4 a X
while[i < people]7 e3 u7 I7 B/ `2 _( C {. ?& y! ?
[6 b" s8 O' k) U' V4 K3 S: Z
let j 00 B" q( C! J$ Q9 @" M
let note 0
; n. a0 C, H; p4 @1 z0 X* Z0 D) Slet k 0! Q3 G; b$ J3 \. b
;;计作出过评价的邻居节点的数目+ w" s7 K$ l/ c5 F0 Z! D- L
while[j < people]( @# Y P {* h$ C' M$ {
[
( M1 r+ N) m# F2 n; [! T* yif (item j( [credibility] of turtle (i + 1)) != -1), e+ a( K, E/ ?
;;判断是否给本turtle的评价质量做出过评价的节点
+ S$ u7 G5 V: t4 A) n[set note (note + item j ([credibility]of turtle (i + 1)))
, X4 W% q# a1 E- n. c;;*(exp (-(people - 2)))/(people - 2))]
" _) `& N0 C# Y! O/ Kset k (k + 1)
7 m- |+ M/ k3 _5 B) n; T3 r]* U7 M( s% ^% }- H9 N
set j (j + 1)
; C" h6 K' L0 G/ q0 S5 U5 I]
4 T9 o5 V( e1 z; pset note (note *(exp (- (1 / k)))/ k)
+ j- X7 b) q: D3 A8 ]5 Hset credibility-list (replace-item i credibility-list note)& B6 ^" ] _+ r/ S) c, k
set i (i + 1). _2 k( n8 l d* w9 f' @- C
]. s; i5 A% p4 ^$ f; p! G* n
end
8 y" x d# s0 h! ^2 v: \8 x |
$ p' x6 e5 b* B' Uto update-global-reputation-list
4 T& d |" `9 R$ }( h* q+ qlet j 02 O1 E( I- E$ M# ~) q
while[j < people]& z+ m) d3 M W O" y
[' v* X% ]/ `3 z0 A9 ^+ ~/ L1 L( q4 y
let new 0
% Y1 ]9 v. a- h2 }% [;;暂存新的一个全局声誉
) H; G4 v: B. ?6 Slet i 0# V4 `$ ^- O" c1 u. L
let sum-money 0
3 u( g2 O0 g& ?# a2 S* a! Jlet credibility-money 0/ i5 Q- ~" l @2 E, R. m, H0 a
while [i < people]- I# I5 n+ ]- F) u0 L# D! n
[
0 I* Z3 s3 y( ?set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
: j, |# b! ?6 o n7 V; lset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
+ A- G! N; E8 R( cset i (i + 1). F3 e% x# S; U+ W
]
) B7 w1 C s4 b( u1 J" y5 n. Y+ A2 _let k 0
, M* o5 Q8 E7 ~: Y# o9 z" ~( rlet new1 0
' M! ]' {( g! C: Q Y7 i" Mwhile [k < people]
2 s: T# f/ l4 D3 N1 e! p2 h[ F9 @6 N- p, U- i
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); e1 f6 Y5 t# f# I
set k (k + 1)- D S7 e$ m2 H5 L$ @
]
; T8 D" {4 Q; B% N; `9 Dset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) 3 g8 V4 X) u( {" l
set global-reputation-list (replace-item j global-reputation-list new)+ `* f9 s5 I) y
set j (j + 1)
4 {6 Z2 R+ J d% b]( t* q; F% Z9 x
end
& l2 ?' l+ D- ]$ ?
7 _. X. r& h" [3 T, o. R8 J) M: \1 i6 L# ^" J0 _5 _, a
& R+ I" v x% H5 ?, U1 {to get-color
, Y4 t8 n, s5 F5 c9 m; H9 W [. n7 Z# l, E) k+ S* R
set color blue
% ~4 S* c+ a+ e7 z6 `- eend
" l# d! Y* H& y q' C* T! N* g6 |4 Y4 C; B
to poll-class
) A% ^ \- A2 |9 Q4 M" I! gend( |# @$ |9 n+ \' }2 a( v
" ]+ l* @ i: Z' `/ |8 ?- Qto setup-plot1* k7 V0 V2 R- I
% ~& y5 \6 x( n6 Q# d
set-current-plot "Trends-of-Local-reputation"
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; \) U+ d. e- f. kset-plot-x-range 0 xmax$ ~3 [9 z+ c3 t& }0 v
( M( M/ M. ~: X$ B! v
set-plot-y-range 0.0 ymax) ~6 b4 [( ] o+ w4 T6 c% D
end
6 Q0 k F9 f! }3 n- L1 A. @6 g* n" }1 D8 }! G, F' D
to setup-plot2: N( A* q% K, V& ]1 R3 J
4 ^7 u- j; u7 p5 s' S
set-current-plot "Trends-of-global-reputation"/ _ \4 }* a0 [% b( ], f
P$ E% X: V" n* X/ t2 M N! f+ Eset-plot-x-range 0 xmax
; {/ C4 T6 y3 s; `4 W* V5 x1 [
3 }' E: w1 c& O8 H' m3 \6 {set-plot-y-range 0.0 ymax6 i/ ^( K9 n( I V6 b, Q# |9 h+ F
end" A8 K* Y. [$ b1 t3 a% G7 Y9 F% \
3 ~2 {+ r6 R: X: K) l5 Y' Nto setup-plot3+ v0 T* C9 {, `; O( z9 Q4 z& W/ K
' U" }* L4 l( ~4 h1 I
set-current-plot "Trends-of-credibility"" Q# d% K3 J+ r/ O7 J# U
9 j$ E# ^, \/ j+ O$ C4 I9 ?! T9 f, [
set-plot-x-range 0 xmax
: K9 G8 D# O! P; s& j- W. C, D% K) Z7 g0 u9 o+ C( Q/ T
set-plot-y-range 0.0 ymax
' }6 y9 Z) i B$ tend1 u" N6 Z3 u! g/ ^9 ?
; Y1 i7 m( {3 ], P/ M* k+ mto do-plots' i* E9 J8 ~! F
set-current-plot "Trends-of-Local-reputation"
b2 @$ k) B1 a/ {6 F- Hset-current-plot-pen "Honest service"
8 o- Q( A8 A" V( O y Xend
& L" t# L& i9 {# X, u5 c! p/ B6 X! [) L% d
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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