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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
4 ~- t" ^& Y+ Y3 Y( Q4 `3 d! y' Kglobals[
. N% e; ?" }; a; o" Oxmax
" `; X- C* E0 a8 G* ]ymax6 p" Z+ H; z% |
global-reputation-list+ A0 \# ?3 R( j, o6 v
$ d' g7 o4 D! K; Y/ `
;;每一个turtle的全局声誉都存在此LIST中1 p6 c) @2 a; S/ |! N x4 \9 }
credibility-list4 l2 {# v; H7 B* [# t1 L
;;每一个turtle的评价可信度- O( K' o0 a1 ^! f+ ?$ w
honest-service, y7 D: t6 j1 d* z) G4 _3 o
unhonest-service
( ~+ k+ [: h. Z& Uoscillation1 n9 [! l0 U3 n# T/ ]1 h! X
rand-dynamic
% J \! N% T0 V]7 `8 J0 e9 |2 R; f7 j
' \7 h* H1 H* |8 x7 H) ]turtles-own[
3 {) S) M7 L7 jtrade-record-all9 X6 v7 Y5 ~9 \7 @, _2 c
;;a list of lists,由trade-record-one组成
! |3 E; P! I7 L6 g0 {trade-record-one3 G1 r1 b/ {9 j) V0 v# w
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录4 W/ k1 X. a: y q
' K) V3 A9 L+ @6 W7 i
;;[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 Z7 V$ R$ \! j7 S9 i, y7 b
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]
* s- |0 k( c0 n- m6 [" z0 a/ T) 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$ X+ Z' u* o4 c& e: L) q
neighbor-total
2 Q& C- q- t1 E C3 ~+ Z/ v;;记录该turtle的邻居节点的数目
# X8 V' v, d7 B% p; l$ ktrade-time2 w7 k8 H, i( w# n1 |+ n
;;当前发生交易的turtle的交易时间# H: m3 w2 [; ~9 s9 _$ F
appraise-give
O ?( E, ?$ u ^" p) z; C;;当前发生交易时给出的评价" M/ k7 i$ U# u6 ~1 o" T
appraise-receive
" h3 Z- D# [% l9 A$ r8 a;;当前发生交易时收到的评价# E' `4 ~$ e$ b0 |* j9 `5 |- N
appraise-time0 t1 o- ~! o8 m G6 D0 H% G7 R
;;当前发生交易时的评价时间
- o* { f, m' Plocal-reputation-now;;此次交易后相对于对方turtle的局部声誉# T3 t' l' T) q1 M/ L0 ~
trade-times-total
; l; C2 }( X8 k! L5 \;;与当前turtle的交易总次数
5 ]6 {% P+ g4 L7 [$ X1 p- etrade-money-total) L9 C: y4 y0 x! ?4 `
;;与当前turtle的交易总金额- T8 n& b2 }$ w
local-reputation2 G3 N- M$ m S6 T2 e
global-reputation5 L" f* a7 D5 j: f/ W/ y+ q
credibility
4 A- r) ~. a7 q* g4 L7 K;;评价可信度,每次交易后都需要更新
0 x4 h5 X0 o" y: ]( Zcredibility-all" |! }+ c9 I9 l1 N" ~0 Q
;;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 o( r+ l# N% L V, j
R9 N: c @1 ?& ~- F! J, {
;;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
9 B2 o$ r$ P2 H/ b% O* p# N7 _credibility-one
. i( T# p7 {5 d$ `$ E& N;;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
: o9 k3 k5 D) P# Y- r% Fglobal-proportion
$ Y% F3 U ^# Hcustomer) J& g) i: z/ Z' v( Z; H& [; B7 p
customer-no
0 U. d1 `" s+ z# x4 t% y: ftrust-ok
+ K( w/ j* N. ]/ xtrade-record-one-len;;trade-record-one的长度6 b) l8 ?% u: u6 J
]
5 Q& x3 _* k7 ?- R+ n! e9 P( k! b0 I4 C
;;setup procedure# A# L6 Q8 P1 K9 p& u5 _
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to setup% e3 u. s* s8 n" n, _/ Q
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ca$ ~" Q. d0 Z5 i' ?. S
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initialize-settings0 M( D6 @ h! t5 V: D Y5 k. p u
" ]4 W# o% d) {6 Lcrt people [setup-turtles]
$ u( H9 s" }) i. X4 l/ a9 I0 W$ s7 d, ^2 c5 q
reset-timer
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1 [" u( H5 o$ f9 ]4 \7 Z' p) cpoll-class
% y( Q3 W. T8 e5 z% |% ^
, W( a' E" y0 zsetup-plots
, f* o* @' c" C; s" M
! M* n+ ~7 g: i0 m( K1 S6 r5 mdo-plots
* V0 V( s; [* @) S# tend
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3 B' _- H, X) l) Q. _" N% ?to initialize-settings2 y* K# e- I% F& S+ P( h
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set global-reputation-list []7 H5 n) H1 K8 W" k
( Q9 V/ I7 m& ^& uset credibility-list n-values people [0.5]
! ]% [: g/ `6 g
6 U- l& k8 J8 {set honest-service 0
% \$ `1 z: r6 l% k, Y; h, {. S5 ^9 T, d. v# `, z& G- l
set unhonest-service 0
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/ P; W: }+ s5 [: aset oscillation 0
) m. k0 j9 _ P7 O* A' |) p4 Y
. M: l8 H; @. Aset rand-dynamic 0" n3 U: l1 `3 ?5 O
end5 L# N1 C/ P, v. M/ l1 |3 z
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to setup-turtles $ ]! m! w2 e+ C# e1 M- C6 w
set shape "person"/ ~6 j S# `5 A* a, {+ e; v
setxy random-xcor random-ycor- B# K0 ]/ ~8 O5 V8 C# `
set trade-record-one []
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6 Z6 q+ s% R/ H( C. J# {set trade-record-all n-values people [(list (? + 1) 0 0)]
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* c/ j- c R c) Y/ g" N4 @- `set trade-record-current []- } Z) d% b, T# v+ p( ~$ `8 E
set credibility-receive []
- ~! d0 ? Q. B1 K# wset local-reputation 0.5. i3 |. i* D- }# w! v9 C6 c
set neighbor-total 0! Q: O+ D2 i' d- B/ K( B
set trade-times-total 03 A$ `. y2 H, o3 Z0 {% A
set trade-money-total 0( L# Z& r+ `) l+ l: i9 Q
set customer nobody4 @ d; k& [( j6 b2 _
set credibility-all n-values people [creat-credibility]
& L+ P& L# i( uset credibility n-values people [-1]
. V: E0 k% Q H. S; x! L2 qget-color0 N& l& l# L2 J. p1 d4 }
! {* h6 N. y8 `" ^end: `$ z6 ]9 r% q' p
, x( A1 X& U% D C
to-report creat-credibility( ~, ? N: F5 c% c1 D/ u
report n-values people [0.5]- w! U: |8 i& F2 P* h% x
end
1 o6 Y) I4 W) v, S
( X C9 ~/ M4 I' pto setup-plots! V" }% q! \6 L* \ E0 M
2 _9 Z7 _1 s, K% `$ Zset xmax 30! M5 k0 o3 z5 Q2 m+ I2 {
1 S& }- _; J4 ^set ymax 1.0
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3 Z( ]% O- S9 Y2 h5 n, Iclear-all-plots
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# W4 D) Q/ ?" v5 Gsetup-plot1& j$ A; ?9 h7 b# R, B
+ y9 o# z1 `7 Z4 j0 U! F; H9 U/ msetup-plot2. X5 u1 K [* \, P- W
3 [2 ~- a' L( _% n7 i7 _, t
setup-plot3- b' z# U) W) O) b/ \. i0 V! a
end
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* C" M% {) q L, P# D. h% D! B& F/ |;;run time procedures
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$ c- \$ ]7 g( a( jto go$ t- K, }# J+ ?3 T5 Y& G$ Y
# J _3 }5 p4 L; I' @/ `7 ]9 g5 i
ask turtles [do-business]' B. G/ [& J7 l/ J( ?6 A( v" ]
end2 @! F6 O2 P- I$ H
# |1 M6 i6 N% V# J! n% cto do-business
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" X3 T# s" E q7 n/ G8 @- D5 s4 l/ z4 ~- F
rt random 360
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0 Y- n( ~) L5 [# }0 Hfd 1
, x4 P$ l# v# ~( }) T" b" o) z: C5 v8 U
ifelse(other turtles-here != nobody)[
5 L2 M% S- S0 J0 h2 h/ O
1 t: e/ s% J/ c0 Yset customer one-of other turtles-here
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+ a" t. }2 E$ l;; set [customer] of customer myself' M6 u) c, V9 y2 x
0 X0 W( s/ z" ?- j) @$ e, `) _/ @set [trade-record-one] of self item (([who] of customer) - 1)9 ?% |- G% @7 y1 ~ Q, P
[trade-record-all]of self
: x5 P. }5 \2 ]* q u;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self
! R' p1 {2 |0 D% ?5 n7 w% A
; I* d( b( t$ M0 {* ^set [trade-record-one] of customer item (([who] of self) - 1)( V3 j% [* R3 V" j: g. k, X
[trade-record-all]of customer) \/ Q0 Y3 Y- ?9 c* `- V
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set [trade-record-one-len] of self length [trade-record-one] of self
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set trade-record-current( list (timer) (random money-upper-limit))
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ask self [do-trust]! d& p, A! i9 C
;;先求i对j的信任度" [' l0 z: @% z7 I- h/ }
: ^, o |4 o% E5 [5 z5 qif ([trust-ok] of self)+ \* R: [) ], G& b% o
;;根据i对j的信任度来决定是否与j进行交易[, @9 a% P( o4 Z
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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( \, C, b6 O& K9 t1 u8 z& Ddo-trade
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4 M% c' E0 o& G# m# D. v& I2 |5 [. u% Zupdate-credibility-ijl) ~5 c6 Y+ Z1 D9 A& E6 G
2 a* C" r& g% }' K, \update-credibility-list( y9 |. x( @3 m; [% ]3 g
) O$ n* K3 y8 }8 p! Y% v' o* v" |9 Z5 i8 ^: y
update-global-reputation-list/ E% n5 Q% ?# i/ y1 T. z, t( d
+ F. h" ^+ q/ w' A r; H) |
poll-class) ?' W( t# T9 M6 R: m- d) o5 p
, V0 ?5 b" x& }9 s; G( H& A( Yget-color
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]]
0 W# C: W+ E2 Y- o# w) T& t1 N. ~1 W, ?
;;如果所得的信任度满足条件,则进行交易4 Q' H, _+ u& {0 [& ~* T" u
+ K8 ?+ I2 g# b$ v# @0 d[: f( z$ n* o- X8 G6 k1 [1 z }
$ x) O: W9 a I$ {rt random 360' g5 D+ X. b( C) j& P
: G3 u/ Z: \% J. `0 |! [* gfd 1
1 P3 q( [- b2 S5 T
( A$ n$ F' n y# a, b]
P- h% m" `+ l, b& f0 _ A9 p& c+ Q' ]' k+ p7 n2 U+ B
end$ [2 @. | b9 o( O, l) ~6 x" b! ?
. S' G6 |( ~) t: S. W, k0 s# Zto do-trust
- r5 t' `& [& C3 V# oset trust-ok False
+ y5 \, Y2 x! H# \) N
% J6 v, r9 V1 l5 F# C! B: s* M9 v, T* [2 @- B* A( m
let max-trade-times 0# R" G d$ h/ u! c: {
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]/ ~: J# W( ]: o A S0 ]* u# b
let max-trade-money 0: X% k' H4 G7 f8 @9 |* h a; j+ {
foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
' ?2 E: b$ y/ H k7 J2 wlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))* R$ y/ E2 a+ E3 I3 v
7 {% w( {3 }% L/ p! t
" H8 g+ y) y% q% {2 ?1 xget-global-proportion6 V$ |. P$ c! ^( b
let trust-value$ Q5 [& P7 s5 _0 u
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)+ i8 {6 Y# O' r2 o G
if(trust-value > trade-trust-value)8 c' L5 U( ]$ ]2 }; s: p% q
[set trust-ok true]% B5 V4 C# `- R& P* `
end5 B! t+ N9 T) @$ Y1 s; {
3 u0 p, L. g* i# m0 Wto get-global-proportion
, C$ y: K# i- {. a, Y; Lifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
1 u% V% f7 k. \3 n! N0 D& v; a7 ^[set global-proportion 0]
! \) H$ D0 W- j' U" q+ F4 A[let i 04 z( \. A) d$ X- z. L
let sum-money 0+ |1 s& ]0 b2 X: t, i6 O. ?
while[ i < people]( a! ~+ K& o, j% c( t# A2 ~
[
0 B) V4 \% i7 y) i# y! W! M/ v5 Jif( length (item i
0 x2 ]/ L+ V) E8 [9 A[trade-record-all] of customer) > 3 )& `+ @4 I, a- d
[' l8 t' R/ D4 {5 @$ Z$ N6 t
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))4 @" L3 K4 v( G" ~5 X
]
, [. S" A2 w: a4 H6 F I4 ^]: ~' L% C/ w$ N) _1 l+ o0 H+ v
let j 0
) {2 \4 ~6 b6 q( {3 C& \let note 0
2 e2 v: ]: @ D6 o& e1 kwhile[ j < people]
: H; y4 Z2 {7 s9 e) ?[: Y/ y: k8 w! B8 ~+ z( ?& v
if( length (item i8 }# C: { L) c6 g+ u
[trade-record-all] of customer) > 3 )$ L/ U1 N6 H( J% |" g' n1 b
[ e% h" B5 u& D: @, c1 i* A- l0 g" f
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
; U! W$ ` S$ A1 J5 S2 I9 B% {[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
+ i" k5 e! J1 j+ c" ^$ {[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]( ~5 K$ h# Q/ h0 K5 |
]
9 y& w/ Y( l0 C' @1 i]
$ \0 H8 ?: z7 L: I/ Xset global-proportion note
+ M0 x6 n! B6 S3 ?9 E% j0 I]
2 @; u, k3 J8 Wend/ {" a! n j0 L1 `' e6 m
6 E+ @& D8 u0 |9 {0 m* ~+ Mto do-trade
! b2 g) \: D5 j( p, s @9 d/ n6 ^1 S;;这个过程实际上是给双方作出评价的过程
" Y- I5 A: T* ` ~7 g! Yset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
+ _) I+ \8 B+ H1 @; M( U% iset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价
+ x; i H8 o/ X7 k6 C8 ]set trade-record-current lput(timer) trade-record-current
% T q2 k. ~: n5 @: s;;评价时间6 e& u4 z$ G# X5 r
ask myself [3 h1 f9 x& z) }0 I
update-local-reputation
; z# o/ e+ v( \9 h+ B3 }, k b+ ?set trade-record-current lput([local-reputation] of myself) trade-record-current
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set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
$ _* \# j' K. R2 J; h. r;;将此次交易的记录加入到trade-record-one中7 ]/ D }# [3 ]
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
' l, k( T! r! w m& @let note (item 2 trade-record-current )- a. w% d6 `$ M; `, J
set trade-record-current# {2 o5 X! B6 [$ ]& |
(replace-item 2 trade-record-current (item 3 trade-record-current))5 H' |4 [5 D( t# c5 c3 ~
set trade-record-current
& A& A1 e- T$ O ?( `+ L(replace-item 3 trade-record-current note), S9 `$ |8 x$ r6 n
2 U$ W2 H0 G) r$ y% U2 o5 s7 U+ c3 e/ y5 V
ask customer [. r! K( U/ y0 w: v6 J B
update-local-reputation0 K2 g9 z2 {6 X
set trade-record-current
+ [: v! O- U5 P( A* Q) I(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) 5 n& R* i, A% j6 ?
]
; U" C. ]1 k* X2 T& Q2 h2 ]. J P1 d3 }
0 v6 U. c3 q% I, X' O9 Oset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer, O, w7 p/ X4 u( E+ h" l* U
, d6 \8 T. Q% |6 b* m7 k
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))" L' r& s, A% X$ r9 N
;;将此次交易的记录加入到customer的trade-record-all中
M' k3 y+ L+ j& Xend
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to update-local-reputation0 o- ^# I# m$ z7 f) Z6 ^
set [trade-record-one-len] of myself length [trade-record-one] of myself" p( V8 c [5 f0 f; ]* d! ^- m1 {
4 f+ ^+ h- U1 |0 C
7 {/ h. L8 p5 U) j' J& P9 m( N;;if [trade-record-one-len] of myself > 3
6 _6 g+ b5 x) Y5 ?; Rupdate-neighbor-total7 P5 Q; }1 g& I- y( e p! I
;;更新邻居节点的数目,在此进行2 l3 D" A7 @/ Y' \+ J7 ]
let i 34 Y1 q2 H; o3 M8 ?
let sum-time 0
5 y$ f2 F) R/ I( `+ W; swhile[i < [trade-record-one-len] of myself]1 v+ s3 t; M# l9 q7 S4 F6 T
[
7 Z. ?8 w( D- L2 b3 F/ D% |set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )" l( P# U- A- [; [
set i# J8 ]" S' T {; R. j u+ A
( i + 1)
- _* [) P5 U4 Z# h7 R1 }7 x]/ a4 ^ e7 Y* g; `7 K
let j 3& R* A6 `4 `- H' B6 g- H) l/ L
let sum-money 0: p$ z6 K! w! c+ o: t/ C+ ]/ s
while[j < [trade-record-one-len] of myself]* d: U: x+ }# D5 m7 _7 r2 Q
[
% s2 b+ P' s" [+ T; @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)# C+ `2 Z( V$ l# u, |
set j
; x0 y- x- C9 @" E( j + 1)
' X' f3 I" P' B) m8 y]' j# w% g5 X. x9 D9 m, t t
let k 3
* l7 ~& ^! O/ H1 d% b; S- X# ~let power 0" {. h! H7 s" j- f, S9 u
let local 0 z# f' }. t# x. E: h
while [k <[trade-record-one-len] of myself]6 }; I2 ]' }: p0 y) L
[, r" o( ?5 P9 T) C |
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)
7 d( p, ]9 t [set k (k + 1)% O0 s3 ]: p+ h8 N9 J% k; M1 f( e
]) U# v8 R z+ l9 k
set [local-reputation] of myself (local)
3 `" U: x% f. m& g& B7 V5 Z' lend
' r8 R2 K$ E7 }
' V; X( }3 U8 Vto update-neighbor-total3 ~' S3 S) V; s% N6 K) j2 X
6 I+ z4 L& d/ `+ t8 V. O6 @if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
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end
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to update-credibility-ijl
' `3 q7 j) H/ L/ \
) ?- [4 }2 @: A4 }$ s+ Q3 A6 S4 e+ 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。0 B7 f. L, ]. R7 N! U0 {
let l 02 @) h' C6 L; M* G% g
while[ l < people ]/ O' j! {0 h5 W, b) m
;;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4 Z& Y" o e) l+ d% }; ]
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let trade-record-one-j-l-len length item l ([trade-record-all] of customer)' h7 I9 r2 P! G7 `/ \1 G
if (trade-record-one-j-l-len > 3)
7 q0 M- [# c$ U9 D% y! X[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-one5 }4 g O& P1 e" w% l: ^
let i 34 ]4 \" Q6 K! T( O: C1 S3 e0 k
let sum-time 0" x8 T3 S9 S5 ^& `$ X! I
while[i < trade-record-one-len]
& e" X+ w! k2 E- \( o[7 E$ @- R! O4 T# ]
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )/ B! a# t; I9 N# g
set i
5 m: T/ @/ h3 J. g7 E S. i% x4 ?( i + 1)
! v- [7 v: N! Q" h]
- U# u2 g# @; t' }7 y. z. |9 slet credibility-i-j-l 0
* G# m4 y X" }8 g, [3 j8 r;;i评价(j对jl的评价)3 q) x2 G" l7 H
let j 3
/ q* U" f2 p0 K- @/ ^7 Y, Slet k 4
, s5 p( S( H9 A1 U2 Zwhile[j < trade-record-one-len]: |/ y0 D$ }) Z6 S( s
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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& r/ \( N# b5 G
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)
3 V; ?' G% R6 T5 b- m; T0 ^$ z, l# tset j" j/ F$ n/ x$ d$ q6 i( L% F
( j + 1)5 ~2 E8 u! A2 l: f5 {
], S0 K; w* G) e) B- S2 `9 Z3 W
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 ))
7 u, t5 n1 _8 f1 x3 U& ^" u5 r1 w6 M. D4 i
7 o( V3 d' p% Blet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))4 O& Y; T* R7 b- z+ _9 N! G; G
;;及时更新i对l的评价质量的评价+ j' w8 c( K1 [0 g+ J4 V# t
set [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
# @+ P' t5 \2 [# K& _, Wset l (l + 1): b* [1 T# j; l7 i
]
5 l1 O" o0 d V1 o& ~end
/ U+ b9 W) q. ]: i" k* L# M. l
. z n; V' r; W0 n8 `6 ]8 Xto update-credibility-list/ m& I. t; G ?4 U: R, x
let i 05 ~ ~; e3 Y$ A; M& r' {! {8 Q4 T# p
while[i < people]2 G1 w z% g- i
[5 u" K0 y- m, ]$ t8 e) E
let j 0% s1 q7 ]9 t( S. r$ ~7 p
let note 0" o- n9 g) e6 W% ?% q9 s4 o2 l
let k 0
; v4 n: [1 b/ q1 k3 j;;计作出过评价的邻居节点的数目
( d) I M: Z, Dwhile[j < people]- }1 B& ~2 [, Y0 ^1 @
[
7 ~0 i6 |% j' z; P4 v8 vif (item j( [credibility] of turtle (i + 1)) != -1)
" c D4 z! f8 U2 B; V3 W! n;;判断是否给本turtle的评价质量做出过评价的节点
1 c2 }2 G, M4 d5 B9 R; C[set note (note + item j ([credibility]of turtle (i + 1)))
& k; |, L+ M( _1 ];;*(exp (-(people - 2)))/(people - 2))]* D# u" W( B! o/ S: Z$ d- P
set k (k + 1)/ Z- F6 E; H1 N
]5 W9 d. f1 T2 b+ \! _7 u* X, g0 Q
set j (j + 1)
9 f/ G. K4 U. T+ f]* T7 y$ {. f$ V
set note (note *(exp (- (1 / k)))/ k)! t; ?6 Y. q# }' @3 P: U
set credibility-list (replace-item i credibility-list note)
; T3 R5 s, v( r" `set i (i + 1)
* e7 [1 C8 d. _9 _]4 j+ W8 y C7 u/ q1 m- D, e
end
, l5 M4 E/ i! v
, Y( S; v: {, Q: m* S uto update-global-reputation-list
- x/ {+ ]9 T2 a2 o D5 G9 Tlet j 0$ k, G) x5 t: |' S+ Q4 q
while[j < people]! x& |' A' h- Z# a, o6 G1 n
[6 ~8 ~9 Q* J+ {' f
let new 0
# i M5 `) ` L. j! v;;暂存新的一个全局声誉
9 _# X* V0 K! J& ^: Elet i 0
2 F3 Q" a f7 j. X/ U* [) ?& tlet sum-money 0
1 d6 O+ l+ `* E/ T3 x$ elet credibility-money 0) P4 x. v% [" h% h; n
while [i < people], f) t/ Q% g( I- A! T
[2 J8 }' R# L6 o- H2 h. V
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))9 W' X* F! F/ {/ R$ ~& k
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list)): }# J1 V: p- V1 n8 t( k
set i (i + 1)
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! X7 E8 }2 |: t8 f$ M; L# D5 rlet k 00 b2 I: S/ O. ~
let new1 00 { f L+ e% h: o6 r
while [k < people]' [' ^; ^4 E. ^1 }. \$ R4 f
[
) W- {1 ]2 `* `# iset 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), \; N, {. l0 r1 }6 W! Y
set k (k + 1)& E |7 R6 P/ x: |& R b: _4 G
]. S/ i; }4 K( N$ f4 k; n
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
1 a1 A' H. H+ ^0 R: d' I# Oset global-reputation-list (replace-item j global-reputation-list new)+ f3 R! B, W* Y0 I+ ^
set j (j + 1)
3 u& O r+ p$ Q. J]
9 f D2 {" q+ \" }' Jend2 Z6 a6 Q# `# |1 s5 R- S# x
9 r) i' |. p& V- e9 E- q& f* I# B, V/ c4 _8 X; j( d+ `
7 c6 |5 N$ G4 j5 z" N8 I2 n
to get-color
A0 `) b/ s; }4 ~* n
2 W7 R2 l0 n8 ~' H; ^ n4 tset color blue/ e0 Y- ?0 s2 l" k0 ?
end
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to poll-class
, k& s' @4 {! ?( f$ O Fend% r& R: k) u$ I
% b9 |. @/ {. t, ]# ?; B7 F. C* pto setup-plot1
+ J: S5 Y8 ?1 z5 r1 E, C" B9 v4 W' e* f# M. v! R
set-current-plot "Trends-of-Local-reputation") V& R( G# y% u z4 M# ^& d5 ?1 o* t
1 w6 q9 h% c& I1 z9 C V" m1 | mset-plot-x-range 0 xmax
# L3 a9 x3 g: R5 C6 Y
4 T7 v' m0 H ]! ~7 T5 u# h+ bset-plot-y-range 0.0 ymax/ l( |1 H6 |$ l: ?6 o
end
+ O1 c3 T$ A" X. A3 I' y6 ~- M
8 F! _3 o+ A' y& ]to setup-plot24 [, u- j7 ~+ q0 S
6 A8 |0 ^2 p5 w$ `# V1 Kset-current-plot "Trends-of-global-reputation"% v/ O* b' Y) z7 s
0 L' }( Y' w; j' D Y
set-plot-x-range 0 xmax
$ f$ p* t1 l" _( t. h0 O, ~/ R& {) G% ?
set-plot-y-range 0.0 ymax
7 x. R# N( _; q9 Qend- i! A$ v6 D# `/ Z- L- f
# F8 c7 V& {' p5 h
to setup-plot3
# t+ {/ w; ~; V- P9 ^4 p2 m, F& G0 O: h
set-current-plot "Trends-of-credibility"
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, G' N2 P( m" Y7 Yset-plot-x-range 0 xmax+ h; d; m( p6 [3 {: z
8 S% k8 b: E3 k; L; m z# e8 e
set-plot-y-range 0.0 ymax2 A" J/ u* s% j6 q0 O& c; [$ e
end
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# u/ O" W4 L8 T0 A( R! S) dto do-plots9 n5 Y0 {; {6 I- O) o
set-current-plot "Trends-of-Local-reputation"
% l& G# S& w s: I6 Mset-current-plot-pen "Honest service"
1 v1 a2 r& u& x+ K0 j: F0 Send2 J" w% F6 s b" T y5 i3 @, F: `. J3 b
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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