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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1 P/ I) u. ]- O7 R% h5 k
globals[4 n4 V& K$ V; I3 Y! Q
xmax3 t9 F9 z- }$ j% |; Z7 Z
ymax- H9 A0 l* L/ y! }/ o/ T7 G
global-reputation-list
' k& ?3 |, h; t" c R$ D; K/ q0 Y- O: j3 M' Y- `6 [
;;每一个turtle的全局声誉都存在此LIST中
+ i; v/ l4 Q% i0 ^, q5 jcredibility-list
% w3 M9 X. B7 B) k& }! h;;每一个turtle的评价可信度9 T) V& m3 y$ X+ H- A8 _
honest-service
' w- z1 o9 h/ | E0 G( j, L8 ~+ Sunhonest-service& I$ J0 k9 k4 c
oscillation9 c" T7 F' d y% q8 j
rand-dynamic
+ l2 k/ ^- V, s7 Z; k; }7 w: D]0 q4 o' a3 F& g }; R- o
1 }; N% J7 P. |: Vturtles-own[
# q/ _7 w$ }3 j7 I. L5 `5 `$ Vtrade-record-all+ M7 W- l# g% @* L( h, S
;;a list of lists,由trade-record-one组成
, v; M l' A' }( b. etrade-record-one3 w2 }: j; Q; q( v0 K
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录 k# `% s& Z4 h# _! o+ h
- V4 ~7 T$ C+ o7 e* l;;[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]]
2 K$ n& _/ o8 U4 r: Jtrade-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]
' M7 h) h! a, S- _+ [, f' Hcredibility-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
/ z5 ^- ^5 O/ x: w. Hneighbor-total
0 U ^& m8 p! _2 z. V# W;;记录该turtle的邻居节点的数目
* Y& B6 i: d$ [1 V$ itrade-time/ |# z$ D. m* [: w1 g7 p: F; h
;;当前发生交易的turtle的交易时间
; {- V3 M3 m! Y( P" eappraise-give/ n4 T' s4 E u2 r) x
;;当前发生交易时给出的评价
+ u l, ], B h" sappraise-receive
; \, k" ^' p2 k) U% f u( [" B;;当前发生交易时收到的评价
, \" L3 D5 ?2 M/ S2 |1 F+ ~appraise-time1 k n" _1 F) X0 o" d! I& N
;;当前发生交易时的评价时间/ i7 Y$ ]8 `$ s9 g" D
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
# w/ {* X- D" f5 v" z- ttrade-times-total& u- N' p) k# l0 R# r4 b5 Z4 y
;;与当前turtle的交易总次数
, }1 T" C7 @ ?' c7 s$ m' Vtrade-money-total
. }% Z9 T4 u* ]+ |. i5 V;;与当前turtle的交易总金额: B Z- y1 I: V: U! h, S
local-reputation3 g! Q' n' t1 Y, G( t
global-reputation
1 K5 E* ^ E% R; Acredibility& J) Z- N+ J0 `4 ^7 I
;;评价可信度,每次交易后都需要更新8 Q- J. F6 E+ B0 h7 N# v
credibility-all
- j9 |8 K; l0 e2 U) s# r;;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 t& R1 k) T' u, g/ j
# O& G/ ?. a# S8 M# A0 l$ k1 E. x;;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/ P" {) F4 R; b8 O) t1 _9 p$ m; {
credibility-one
! f n- A; Z6 D: v0 U;;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% S0 g1 e" W# {$ q) X
global-proportion0 L" O7 {& m' ]% j+ F/ y4 X! D
customer; r1 F. B) a' m/ Y1 G7 A
customer-no9 u% F) P+ T( {' A- M/ L8 g& B- ^
trust-ok( u% K1 B4 n0 M! O6 d8 V
trade-record-one-len;;trade-record-one的长度7 u6 I, I6 [7 s( i, \
]6 I& r. ]8 P1 {7 G# J# g2 H- G
8 ?, ^ ~7 M' g& E- t5 ]1 A- m1 O
;;setup procedure
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to setup, D3 K" e1 a8 n$ m
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ca. Y# P3 H( U1 j; D
' g5 X+ A$ J5 B5 Iinitialize-settings
' K, J! a$ s* A M5 ^+ D9 u* L
8 P+ ^3 [/ g) c# x) S# n; c( n9 I+ pcrt people [setup-turtles]
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reset-timer8 V1 c7 Y# |+ H! A2 p4 [
& Y0 G9 M8 @/ F2 d
poll-class
% b9 f9 |& F7 e- F% i& {1 G H$ ^) q# C
setup-plots1 g2 v$ M/ t9 }7 a) i$ d6 |8 Q4 |
# Q! v7 g/ A) e' G
do-plots/ I& ?% x! O/ |8 G
end! a3 d: D8 @% f8 K; N. V% X. r
: @7 s1 F. I8 |2 w! |+ M; I5 N
to initialize-settings
+ H& |4 H7 n7 L6 A' G* T
1 K- o2 W- @* f4 dset global-reputation-list []8 ]# D1 Z8 r. B9 c
2 Z, k( b/ F; J" A- P7 q
set credibility-list n-values people [0.5]4 k& A+ E9 [, ]+ Q
1 g0 S6 G# L% [( X9 jset honest-service 0
# p9 k C& N2 t, [2 M! c- v4 ~; ~. ~/ z* ^2 ^. ]# t
set unhonest-service 0
4 t) O; o7 c) K: @3 c
6 y1 Q/ L; c: q; bset oscillation 0
2 R, A4 w0 l. _1 [* V( L2 a+ H
! p9 ?( h% o2 hset rand-dynamic 0
3 n/ O; \) o: [( q( M! l- B3 U, tend7 e. @8 d: M. [
5 r3 O( E+ {4 e" b3 c$ Y
to setup-turtles
2 a+ ]9 K5 H7 \1 Z, S* vset shape "person"
2 L0 j$ i, L1 J, k) osetxy random-xcor random-ycor
5 C# b: f& J1 ?; jset trade-record-one [], L% R' W) N" M% T# F5 B& }: f
2 a' v6 q% U5 @1 f+ mset trade-record-all n-values people [(list (? + 1) 0 0)] # h( l+ J& j5 q. M" H( ^- ^
8 R' C- b" S7 t6 O; _# `* i
set trade-record-current []% z& s9 C+ u7 i' R- h7 r1 W/ _
set credibility-receive []: L7 v! L; C" p& u' L* B7 [
set local-reputation 0.5" Z# o+ a/ r7 Z
set neighbor-total 0
' ]/ B: I+ D% a0 xset trade-times-total 0* j f0 _. C* Y0 X% t7 c. T
set trade-money-total 0! q: X8 T {1 F- E1 Y
set customer nobody
: P0 o: s4 d9 P! l2 t% Jset credibility-all n-values people [creat-credibility]4 h0 I, h- l& [
set credibility n-values people [-1]
& u+ t' h' G4 ?/ Kget-color/ s: u+ t9 E! T
9 D# M0 ?' }, u; K' t$ W( u( z
end
( _% D; _# d# q( }3 Q% h6 m( R* B- A, `# g- M# i1 t: l* p
to-report creat-credibility+ I9 i% u+ W# D" A, P' x- p
report n-values people [0.5]' j% X5 Y# P0 h% f/ c2 P
end4 U8 W1 R4 j U! v- _( u O
/ ?. y- v7 |3 L! S: K0 @1 zto setup-plots% d# {+ X4 f- p+ T. c
( F+ z* l7 g3 e x# S3 H
set xmax 30
# L9 t7 V& S' w% d, P4 v
# [) J" Z' P/ @: F6 s6 \& t# Gset ymax 1.0
( O5 l0 ]- D! g0 D& h: n3 R" l6 |1 q- S/ X# ~( Y* v
clear-all-plots
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setup-plot1
# C2 Y8 z4 U W& [% V$ K% g# w" V2 H; u5 e6 {5 _0 T$ ~* s4 b2 j6 n7 I
setup-plot2
. ]3 v( t' A- O5 _
8 e6 t2 t9 D7 \3 E+ C" R: Xsetup-plot31 ^# B- F$ j# P _ e& n0 u
end
* ~0 f5 B" [1 q8 c3 S1 U7 Q) i. _# x
; n1 x I1 N/ a; T8 `;;run time procedures. w- q t, I* ]6 y/ `( {7 ^
4 g& Y( `9 B5 s! L& V0 Bto go
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ask turtles [do-business]
; ^& h, F6 g- A& |. Kend
* `. P* G& g; B" R6 q- L4 x e( i) j- @& P) s0 k, V; Z- e
to do-business " @( m, ]# g) P- S, ^& V& U
: p7 I) r0 D/ O/ d* X5 F) N ~8 _1 t8 Q, P7 _
rt random 360
) r) p9 @1 l" l+ n" ^ l# c1 o3 j1 S+ C0 j
fd 1
8 L, C1 O* m: B. f! }7 V+ m- ]5 ~- D7 u1 T
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here
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;; set [customer] of customer myself6 K, f( d, J+ s/ z4 k
( `5 E5 }; K% L& u
set [trade-record-one] of self item (([who] of customer) - 1)
0 z( n& m. S5 [0 c[trade-record-all]of self
4 U6 r( t! E3 n) Y;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
1 C! ~2 g+ G. S1 c$ K. N2 t3 z9 O
set [trade-record-one] of customer item (([who] of self) - 1)
$ s4 u" C" w6 A, e- }' B/ [[trade-record-all]of customer' R- A; D& d4 ]
* Y' e- s- |$ G3 pset [trade-record-one-len] of self length [trade-record-one] of self
8 C* _. v0 |5 F; o' q; p# q1 e( w! S8 u2 O+ Y
set trade-record-current( list (timer) (random money-upper-limit))
3 w, p8 D$ K! Q X& N4 f# J* I% p$ I4 I- \1 |" q
ask self [do-trust]6 F: _. m3 g1 v1 V
;;先求i对j的信任度
0 a* E# X2 y) s+ a) N2 R L- z, `2 U2 E
0 ~0 C( v" m U' y# Gif ([trust-ok] of self)
" `( q5 _& ]5 A; L( l;;根据i对j的信任度来决定是否与j进行交易[$ |9 S) i) \4 R6 K! B. P2 _
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
+ ^" i( H0 g( j: [5 {
0 s6 b; _; N3 C E+ ?* ~0 f, J! R[4 z/ _% ?5 Z! o. R1 o3 M, P
: _7 [, D1 y2 C# j, D
do-trade
6 N( R1 C1 ?5 R0 @ v3 J
9 l, V" U2 x# ~, b, J: kupdate-credibility-ijl
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0 W7 E$ h6 a3 Iupdate-credibility-list
1 ^0 o$ s1 A+ z- ^% {/ O" x
' o. H8 u$ B) M p- X( H* g
+ T$ g& s/ X/ hupdate-global-reputation-list
: Z1 L# X, v/ B2 @7 R5 s( y+ [. ~& s6 }4 N
poll-class, U5 n0 G0 r# w, e `: x
. J4 I! [- K6 w5 }1 a8 Y
get-color
* F* J& U! d8 f3 Z/ n" r. c( _" t* @& R$ q
]], g8 Y# [( J. D' C1 h
8 C2 x6 L9 \3 m7 u+ |% h/ P;;如果所得的信任度满足条件,则进行交易6 Q; f; [5 `* |& l5 `! o& T
3 Y ?6 d# s+ }
[" H _2 g2 B6 b+ b5 j7 A
5 Z2 `1 z/ |2 t, y. U
rt random 360) V+ m- k0 t& }- D' H0 N+ e3 n8 H: `, ~
; ]$ I: `7 \7 d5 ^1 u: h
fd 1
* c4 g# w' M6 Y$ \4 P/ R9 ^" V$ J* J- E9 H! E ?
]0 L# P# s1 ^6 @ i7 j! I
, S" |; p ?# E/ D6 I
end3 i1 ?4 z* b2 y* o) q
: p0 ]4 I7 C5 a K. N @ E. w) Ito do-trust * e2 ]3 D/ z9 N* _# e; K6 T
set trust-ok False
W, U& c' V$ [6 h7 W/ B8 K6 G
) |1 x- j% n# ~; ?1 a. Q( x, G+ F; B) Q0 f' ^* J
let max-trade-times 0" F5 F5 s: W6 ~
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
! I( B% Y; t5 I/ {let max-trade-money 07 E0 J1 A! r; v P! z1 F3 g
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]5 _% m1 ^4 b8 i6 ?; I" O, k, A
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
% \/ x- N$ t' {! E
) `9 O/ Q4 ?4 ]& `
$ P, N# Q. J& S; O4 |+ |get-global-proportion4 G+ c' w$ {& w
let trust-value' h6 P, Y s7 s# D& x1 m/ w
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)0 U5 a9 l( \2 l' T0 k3 F
if(trust-value > trade-trust-value); z3 L8 d3 u9 |! l
[set trust-ok true]. b* I* a/ Z7 i4 C
end
3 s: w- Y+ ^9 Q6 x. o$ @+ f. G9 B- m5 { T" n9 p
to get-global-proportion V6 G0 @! Q8 { U
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
: s2 q& k. i4 r. Q# F[set global-proportion 0]
: w; u& b0 r% D[let i 04 z' u' `1 w* D* J1 E3 @7 }
let sum-money 08 [; t" V2 a0 D! l5 a# K7 V, y
while[ i < people]: w- ]6 _4 T% A; J' P
[: V% F6 T3 Z7 m+ }
if( length (item i
+ ^. W4 L4 R0 a9 g+ Q/ W- ]0 u4 z[trade-record-all] of customer) > 3 ); n9 E) U. b; l- p7 k
[
* N) r8 e% J, U) N# u) n9 kset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
7 p2 ^+ e. m" o: N5 g]
# \7 S d; k7 K# N5 b- z]- p# O! H$ s4 Z" y2 D& ]. T. F
let j 0
5 r/ r/ b2 w6 Zlet note 0
# r0 N' [; B X' v" S' hwhile[ j < people], l2 [3 s3 Y& F% j( a# o" F& x/ a
[
- L9 x! m. k7 }. [3 n8 Xif( length (item i' o* r# F- Y1 b# @% C8 A
[trade-record-all] of customer) > 3 )9 n3 Y+ K, L# w8 \
[
* H! D- j6 d# P6 \+ yifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)" \! \8 U0 [$ N; x
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]- @: R& u% Q# f2 |# X
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]7 S: l2 I" }2 s# H
]
7 }6 @5 p1 Z: L+ M9 q]
5 j9 c' N* v+ ^: \8 gset global-proportion note
& s( A' u' d2 I]
" C* \8 X0 I& [& H5 gend2 ~3 @- O! X, G0 o6 Y/ O: l
4 p0 f* t/ E" N7 J7 n( L; S W
to do-trade. k9 Y) P2 l' y8 t8 ?) o# h
;;这个过程实际上是给双方作出评价的过程
C9 Z+ ~$ E$ y8 q9 N* Mset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价" T, P2 q) }! A* N0 c4 h
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
& w1 Q; ^- g5 {! Y2 Hset trade-record-current lput(timer) trade-record-current* W+ G1 h4 m. @- g, A) ]$ k
;;评价时间
, Q1 q9 }8 Q/ B0 I) |% _8 Jask myself [
% ^8 R/ B* r) h( T6 x% U! uupdate-local-reputation2 ?- a1 @* B2 }6 k
set trade-record-current lput([local-reputation] of myself) trade-record-current
' l1 B. Y& i" K- {]
+ m; {$ F4 H) R$ \* l; r$ f8 {! oset [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself( n5 z, y3 z" {9 m: x
;;将此次交易的记录加入到trade-record-one中. p p+ P/ w Y' w( @: J% y
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)' N' ?5 X) ?& G0 ^: D/ f+ q( |
let note (item 2 trade-record-current )+ V, d- O6 r9 `- J- I- X, }
set trade-record-current
# p8 L% C1 _ v" B" K5 R0 X(replace-item 2 trade-record-current (item 3 trade-record-current))/ n* A# p' ^1 @' {$ [
set trade-record-current
& k3 ]: ?% q5 E+ }) q# `1 ?; p9 T(replace-item 3 trade-record-current note)2 \8 e1 w% }$ [* i' Q3 H' R( ?
, R4 b! H/ X3 }$ }1 A" q# e
4 a+ m2 {6 @' W. i
ask customer [( I9 v7 [8 l/ d* L
update-local-reputation
/ Q4 r, c ]5 |2 Cset trade-record-current
; i/ q( K9 \3 ^, F/ K6 o6 _(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
1 N' `( J: R C, {/ D6 U]! F2 ^ u# l( I: d5 j% ~$ H1 d
1 d) P# `, {0 O7 W
, i. w& j! _! w- `set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer5 ^2 K9 C) p- ?# \) K
: s5 u) g) M- m
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))6 k! v6 e7 r# B9 A! k# }6 V
;;将此次交易的记录加入到customer的trade-record-all中
6 U- ?" I" ]1 M8 t- ~* q5 zend
" |# o+ J3 q! p4 ]2 V* i) B- j5 U
; h, C2 _7 {- k# V5 j; b4 \to update-local-reputation
' j8 F$ N: m/ ^set [trade-record-one-len] of myself length [trade-record-one] of myself
) z% T* r3 S; h; E* c$ E0 a+ w: A
2 m% F$ d2 [) }
# D1 U; h; V2 V' ];;if [trade-record-one-len] of myself > 3
0 ^1 o+ M3 K4 q# n$ U) l$ o; B4 bupdate-neighbor-total- y- }5 _( X% h* D) O8 H1 b5 A
;;更新邻居节点的数目,在此进行) f" b2 h5 ?! c2 f9 X. j# n
let i 3
4 B; M3 Q* B3 I9 { d, Q4 Z2 M4 `let sum-time 0% X9 V: Q; G, L, [3 f/ T
while[i < [trade-record-one-len] of myself]
) U4 y3 O/ H% N' Q% p9 l[! l. M% f$ |- W; f2 G
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )
5 L0 o; S6 G: f5 M' mset i
: B) A# L$ \! x' K( ?; W7 c( i + 1)
0 C) T$ _7 f/ t, s/ {0 R]
) c p7 W9 \" ]/ klet j 34 S2 B7 V8 z6 @5 g/ B6 i( }+ c. q
let sum-money 0
" x% ]( S1 c+ w" W) b9 s' `' k+ cwhile[j < [trade-record-one-len] of myself]2 U( `9 Y' [& L: o' [0 a5 W. W
[
' v X( ?) s* k \; nset sum-money ( sum-money + (item 1(item j [trade-record-one] of myself)) * (item 0(item j [trade-record-one] of myself) ) / sum-time)
) {0 v1 F. H$ _8 |. C2 wset j7 J- E s. v% i$ ?
( j + 1)( w( p: W) O3 v3 u, p# J: S
]+ S" f3 ~% u$ }& o
let k 3
1 D0 l) L( U* m5 \, C( c" blet power 0
( q) a4 v. w& m l, n9 ^4 b y6 W. s& A! rlet local 0
/ ]! M: E( g L6 `6 _4 F0 nwhile [k <[trade-record-one-len] of myself]
9 g# |5 Q7 L0 w% I* R! ^# [9 o[( W7 R$ O( v5 n2 s
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)
' z! k. c! z2 g# U/ ?set k (k + 1)
; s/ q7 M) f+ z" p" n]. A. n: v( I' {7 A' D- [; L
set [local-reputation] of myself (local)4 z9 {( V1 ~5 \
end9 T/ y. D+ v# o2 X9 |* T
' F& h7 b5 q; b9 Q, dto update-neighbor-total
' C5 X, o$ b4 q6 M7 F* Z& D
4 k, ?* w# n1 N2 p/ V6 Z9 uif([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]! H0 ~' k" N d# p
( H4 ~9 }5 H. t2 Y( k. ^
1 {) O: N6 d6 u9 g& [
end2 ^. ]. ?# k- t" J* x
0 z+ {1 Z U) F2 ]6 @
to update-credibility-ijl . J1 @: ]1 I4 R8 b- g8 }* |
9 z5 T0 }9 B( R; y$ e) ~& t;;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。
% l7 [$ w; o$ e! ], F% w% J1 N8 P+ Olet l 0
7 \0 r/ {/ ^) q1 {; S1 T0 ewhile[ l < people ]! f2 X) _0 l; k' C% R: Q- g/ `
;;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 L; z5 p7 M# t3 v5 R[
7 ]: | D( R" g: k4 qlet trade-record-one-j-l-len length item l ([trade-record-all] of customer)
+ \8 X2 [3 g x) Q5 y$ d" b' iif (trade-record-one-j-l-len > 3)) `( [0 X. p$ V* ]% r0 V. N! d
[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
; ~8 }% g# O4 s4 P- glet i 3/ j/ p, o9 T( `
let sum-time 0! F0 S3 c- {8 W7 O N0 o" H: l
while[i < trade-record-one-len]% }, w$ ]2 g/ T* ^% @8 e
[
4 i* O0 }" P! aset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
. B6 V: e; ?& O. |5 L& I, @" wset i. \% u j' L3 i# d6 M
( i + 1): [3 q+ ~0 y4 H! H
]
) h1 m7 f" s/ w) R. Y0 R. ^let credibility-i-j-l 0
* j3 H( ?4 F/ p$ X+ p;;i评价(j对jl的评价)
& ^2 ?, y r# |3 Elet j 35 ^9 p# n k$ `# Q* C
let k 4 C" _+ F/ |/ g( H4 f0 ~
while[j < trade-record-one-len]
3 a& D, [* @* e& R; x; ^[7 P1 |9 M) C. h/ l# G: ?6 h+ L! m
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
6 Y) ?: p" g5 }2 q2 jset 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)
+ i" l0 F0 h& i, ^& d5 o# g: iset j0 K9 l6 ~$ l( I4 o3 q
( j + 1)
6 O8 c' |( K$ ~]
" Q; B$ V7 |" [1 [( Mset [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 V: T1 }! v# M1 @
8 Z6 Z$ _9 c) t2 ]" e$ q
0 q! A1 K9 W, A4 ?4 @let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))6 y7 {, G+ h4 C* J2 u$ D
;;及时更新i对l的评价质量的评价
% z1 L4 }) I6 L0 p! N3 ^1 ~& N5 y3 Pset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]) P5 l: d _2 i# }' K. p- o
set l (l + 1)
V& D/ Q7 \, U]& e' Q' I/ h. K3 I ^
end
% m8 @6 c3 p' `$ Y0 {( V. F0 P* ?( f0 `2 } X `7 r
to update-credibility-list, n+ X5 i9 h# b5 y: {9 S. V9 X
let i 0" N7 ]6 d& G y; t1 x
while[i < people]( u y" `) h. \& U, R5 ]- n5 S8 S: ~: r
[
- G" c$ L/ Q- Jlet j 0, Q* Y6 J7 g2 F; x
let note 0+ N6 T1 T' f6 A3 E/ b. C
let k 0% C! g" x( R, b3 j' ]. `: i
;;计作出过评价的邻居节点的数目
0 x3 b" Z1 n( z3 j$ _& R! A0 `# \while[j < people]
1 i8 l; L- J& N6 X; F" G2 i- \8 q[) a" G( F8 Y+ i- F- Q7 L
if (item j( [credibility] of turtle (i + 1)) != -1)- d, z; j6 R1 m+ p0 R
;;判断是否给本turtle的评价质量做出过评价的节点
* q% ^& ]7 T! K. {! l[set note (note + item j ([credibility]of turtle (i + 1)))
5 |% ~! _- P5 q) b# D;;*(exp (-(people - 2)))/(people - 2))]+ k9 f% C6 x( O: p: s
set k (k + 1)' w$ l( h1 ~1 ?. s% S
]3 G* Y" f' o5 k
set j (j + 1)
7 F% U2 A9 V2 E* N]
. X9 l$ ~% Z; z9 n& E: a$ Tset note (note *(exp (- (1 / k)))/ k)0 A# i: B g( T1 s- h
set credibility-list (replace-item i credibility-list note)
. K0 z" o3 V; Vset i (i + 1)* f# ~4 }1 y2 t: G0 `1 }( |
]
8 x# p) _5 j. R- z2 g, I. lend
8 l a' D& U2 `+ d+ N, b! b
6 E7 C% `. c% w5 K! w! H1 O- \to update-global-reputation-list
: W; {* z/ T& p, ]6 K# }- Alet j 0" b) P X1 x. A* ]+ x( |
while[j < people]* t5 M% B/ N0 B+ d2 g3 X
[
. _! U+ ]3 K4 Z1 }( {) clet new 0
) Q& T4 ^4 |( l3 Z/ ~;;暂存新的一个全局声誉3 e5 g+ v2 h O4 O) O- C, y
let i 0# A3 |% a0 u& A2 T- S( y y M
let sum-money 0
- C4 q% _& H2 m0 A5 I) elet credibility-money 0
$ ~' s7 |# d% `' B, M- A qwhile [i < people] l" y! t2 s' e# M7 G
[
9 j, P! j6 b0 j7 `' Z" y' ] M! W: a3 c# Wset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))/ J2 J* H$ _9 R7 D
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))9 v" E l6 E8 }: m
set i (i + 1)
3 @* d' G) d! z N, o8 Y]) A9 ?: n/ P0 P2 |
let k 0- b5 ^2 ^* j5 X) e
let new1 0
0 H6 G3 b! i3 l% l: ]while [k < people]
! a3 |; A& _: ]+ h[ ?( ?0 g2 _7 Y, m
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 U, s1 W j, n/ a* i& ~5 Uset k (k + 1)" c: o+ i4 q& h- j8 X7 P
]3 K' ]# I* y$ K
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
( w2 O) r7 X0 U" tset global-reputation-list (replace-item j global-reputation-list new)$ ] D' M g7 m' S) Z9 o9 b5 R
set j (j + 1)
- a$ j1 i3 x5 f' d4 j. Z m% L8 ?]
; C: l6 C' V7 g$ e$ ~end$ X* P; ~( [! p J: X
0 h C+ b& p j7 R
/ P+ m# N7 e4 J0 Z; L; z( X& _+ R7 [. r' ~" P" g
to get-color- [1 ?4 l+ ?3 A
- G) W% T$ i6 H5 |) n' Q. i
set color blue$ k! Q$ O; \7 B2 _+ D
end
$ V0 v* v% Q: { _. o8 ~" p0 T
to poll-class/ R, j4 u" {/ z' w
end+ f# Y( h; i0 ]( B1 [' @# g
+ I3 G5 n0 d& @/ c
to setup-plot1
9 x0 f5 m# D+ C& J8 ^$ Y% k" |; i7 z- @. t8 `# N. {
set-current-plot "Trends-of-Local-reputation"2 P$ }: y! j: |! t* E, P; u
7 n( X1 O3 a: i" j9 uset-plot-x-range 0 xmax, U% @* H5 b5 R4 t1 ^! t; H
2 k% x, W4 d8 u6 M# ]
set-plot-y-range 0.0 ymax
) c ?5 G/ W4 F, Y* v: e- Yend
! X9 P7 ^( V3 O, X f: K, j. R. g/ J7 f! T, O1 e
to setup-plot2
# B5 Z7 x x1 Q
' e' N6 \% M3 {# W' T3 J( Hset-current-plot "Trends-of-global-reputation"
* f7 ~$ c4 X" n, T8 Z, G
- ?) f1 q# B6 Q0 g' y' ?* tset-plot-x-range 0 xmax) z4 E! X; G2 O! ]$ S5 P
8 o& ?0 u" p6 R. b
set-plot-y-range 0.0 ymax
0 ?* h9 P' Z9 h2 ?6 Tend
7 Y- z* I* [& p. n9 S$ h+ L5 D% X9 d9 N; X9 d$ [
to setup-plot3
; L5 P1 z6 R( S
1 d" s" {/ L1 T: d; [# z8 r; Q9 Fset-current-plot "Trends-of-credibility"
* u. u! v) e) r& |6 Y/ N- r4 X- W. ` T5 e2 e
set-plot-x-range 0 xmax- B1 n- P6 z' a0 v# ~$ w7 X" k
* C+ X4 M' J }3 A) O/ nset-plot-y-range 0.0 ymax
5 ~ N5 z5 i5 Q3 W* Pend
" \& V7 m0 [' S2 d
& F& U' G' s1 F cto do-plots
0 `# [! [1 c) ]0 i# Uset-current-plot "Trends-of-Local-reputation"
- D: Q* k5 j; yset-current-plot-pen "Honest service". X, o! C( b" }( I. V* p( ^ h
end) q( q5 M! N$ u c! i1 ^
. A1 v- m" N/ z; }% P! p7 n[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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