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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
- ~8 V9 D7 b; ]; j5 L3 o C% J! Mglobals[
1 ?6 y2 {+ g1 e+ rxmax
- a* G% s+ V ~ymax
1 x$ w9 S- u+ _( G) ~: sglobal-reputation-list; ]) Z. v6 h- q* d, u% C
s( ?& U C0 U2 Q0 q$ |
;;每一个turtle的全局声誉都存在此LIST中* u# m4 F9 m. W% ^9 k3 U' d9 I% n
credibility-list- L% E$ j+ y _: U3 D
;;每一个turtle的评价可信度9 j2 l7 f) }8 M
honest-service5 ~: X0 z: a( g. u+ x- W
unhonest-service! m+ S1 \4 o: ~3 `% O$ N' `1 x) o
oscillation0 n2 a- H& Z; u% _
rand-dynamic, m1 o3 r7 U- E( K; g; \
]& I6 T; A5 }8 B
! h; f" G- Z3 [& @* x9 Nturtles-own[
: u; U3 j$ W; X! m% ftrade-record-all
$ f8 O0 y- r' s& E0 c;;a list of lists,由trade-record-one组成( @+ ?% p( n9 j3 _! D4 J
trade-record-one
9 Q9 q) d3 r+ S6 |;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
1 C' y3 C q; Q* ?8 d' b% U6 [) K
;;[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]]
6 V, S2 Q7 Y/ K( A/ x3 I! \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]
( Q- }8 h& t) K9 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
: X9 t3 G! ]! u, L* b3 ^& Gneighbor-total$ v ]. H( W0 q1 f7 [, u
;;记录该turtle的邻居节点的数目
8 b8 S/ Y: B1 V( z. m8 ptrade-time! W' I8 K! s2 f4 [$ y
;;当前发生交易的turtle的交易时间
3 q; @- X* b* v. S8 [5 U& J- `appraise-give6 C* _5 ]. o, v$ B% ]8 F% j0 |( A
;;当前发生交易时给出的评价
+ H$ F4 j2 }8 T* o# ], Jappraise-receive
6 C" @) m: I6 p& d;;当前发生交易时收到的评价
2 P c* H( f7 k% e9 [" Aappraise-time
- ?1 p, B) e3 J a$ b: Y8 D _;;当前发生交易时的评价时间2 d7 \( n# A+ X+ S. ^
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
t. t6 l7 b9 H; x( R, f' mtrade-times-total
7 ] G3 p# P+ k$ W1 R! n# {& w+ L;;与当前turtle的交易总次数
1 y( E E. U6 ]+ ctrade-money-total
& F0 b" T' H" m# `: d;;与当前turtle的交易总金额& {: N$ T- O! M; k: i3 e! {4 P
local-reputation' K& D- o3 w5 s2 P4 S+ {6 q9 }
global-reputation& |3 f& m+ N/ r# M; a. j. I
credibility
2 W$ r, h( l) w;;评价可信度,每次交易后都需要更新& b; m. n4 z% j) _; U' v1 S0 i- F
credibility-all+ m K: v) |1 C" X/ u! a% s; }
;;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
* _) Q& T3 ?1 v+ k) ^- R" m1 D7 y
; R6 a) v# h8 ~+ n! I7 O" k. V;;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/ N$ y8 ]8 A0 s0 f
credibility-one
/ B6 v9 d. H2 h5 d;;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
$ t7 {- a7 U) G* ?$ ~global-proportion# b) s" u8 ? x
customer6 y& C5 M8 J0 L. F
customer-no
/ Y. q3 p0 t) atrust-ok6 w# r- ^% S, I
trade-record-one-len;;trade-record-one的长度
; r9 W( q3 B# E: C]
7 Y; A c$ N5 _' j& k5 g' h" i7 y y! H# g% O1 ^
;;setup procedure9 d" K/ f0 V W- b$ T0 I
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to setup3 c! N- c) m% L6 j$ }7 d3 Y
, T, l5 x5 B _2 vca/ r. g. }7 [& d h0 Q
6 J3 `) n# D' h) h
initialize-settings& \: k' t! _; H7 X+ [
& `. Q8 b1 {: E% a Ncrt people [setup-turtles]
7 C4 T2 U' j# u p1 F$ X
* M# x: H$ Q0 Yreset-timer! m; S* K, ]0 |- b1 g) W
. X" g/ u8 w4 _3 Q2 r; p+ rpoll-class. [$ J4 ~, t& j
$ T7 X" u1 x3 S. C- g1 y+ fsetup-plots+ D9 l6 ] j# Z) ]: T( t5 Y5 \4 O8 R
' R8 B5 Q" F) I2 pdo-plots' h5 h, D; [- Y
end
6 P( p6 H5 e1 f- |8 O- a5 S R9 [2 y
to initialize-settings- B+ ?* R; ^' i# x( J3 l" ]
' m- l- e* t: [5 iset global-reputation-list []
$ B; `' v3 T* _! j) P: W( a) X1 {' ~: d4 g" W
set credibility-list n-values people [0.5]& M" l$ y# |' c) K. [; Y- \
7 l- N3 V( X) }0 T. x9 U$ U/ m) \
set honest-service 0) R0 q/ E |7 o+ }
5 t5 e l$ {' Rset unhonest-service 0
9 x6 Z6 w+ O+ e/ ]
$ r; i2 h" }- p R X/ A! c! ^set oscillation 0
; |0 Y) h! A6 h6 x: L8 y2 o$ ^7 P3 a( p& A
set rand-dynamic 0+ F1 ~. q& ^ Y' W
end: D/ @3 c+ S6 h+ P
- ^6 \1 l) W/ sto setup-turtles 9 m. R `1 X6 t, O7 O# ^
set shape "person"4 _+ U7 P/ k, A/ `: r) g2 x7 W+ E
setxy random-xcor random-ycor
~) Z: z/ q# aset trade-record-one []- |/ O. |1 w B
8 Y" A, N0 j2 y! K) L- z4 }6 b7 Fset trade-record-all n-values people [(list (? + 1) 0 0)] 6 K' B; T$ O5 |6 o' n+ E y
3 ^1 P4 U4 x1 O9 X$ W' d3 Pset trade-record-current []* P+ s$ E `0 i# R9 j/ k
set credibility-receive []
0 y/ X( }2 ^7 M, }2 q5 O& Y6 Kset local-reputation 0.58 N7 q3 X( r. _$ N: Y
set neighbor-total 0
$ `8 }5 Q0 B4 W& X8 V1 v! kset trade-times-total 0
$ Y8 E2 u5 _8 ^4 n' ^/ {) }set trade-money-total 07 s+ y/ p0 P j! r$ |( K, r
set customer nobody$ P; Q+ }2 A$ d: Y
set credibility-all n-values people [creat-credibility]. D" n- ^( q8 t$ ^
set credibility n-values people [-1]
$ b/ B: T+ ]4 m p% D3 `5 qget-color
! P" g# B: G( a/ D6 k+ C$ ]
; A+ o f- z. J; L& { }end" t4 c% X5 h' Y; n/ Q
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to-report creat-credibility
5 e2 A* j, ?, \ `1 Q" V3 ^' K5 Freport n-values people [0.5]
/ K. l" p8 j x& tend
0 c! m ?/ s6 k8 W) i) a L/ e8 b! S+ R" D) a9 z2 u$ H, H
to setup-plots2 p' v; s ~% S6 J1 k% q' Z
1 p; j6 B: T) s
set xmax 30
$ ]+ A: N& H, e i6 ~- q" z2 D1 ~# A- C# }
set ymax 1.0
' f/ x: G/ N1 Z9 w: V e8 w+ O' q4 |7 x9 U0 t8 j
clear-all-plots6 a4 y2 ?5 W- d8 X6 o3 Y: q: v
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setup-plot1+ O+ M0 L, V D3 e
1 M1 R0 h" r! |( Ksetup-plot26 D$ ^ z# M8 [) [ b
" j7 t4 \; V5 Y9 Y0 {
setup-plot33 {! x' N2 K$ O3 L0 n
end( {+ f1 Z, `, G; Y R
' l: @' h/ d' Z* K# ~
;;run time procedures# l& y" X5 m9 K( F! b/ C [! h; `
+ f9 q8 a) S& M" G9 s4 t& D: z# qto go
/ y# ]; l, g5 ^% N" X1 s! _: v5 F& t9 q e
ask turtles [do-business]
+ ~* |' y' w# {1 jend* A0 n* A* s+ K) m4 T" i4 d
' M- T- Q( X7 w y2 U2 }0 F$ u7 I5 ?
to do-business
$ e7 i$ s: o' i0 J& X# W/ ?
# x; s( k: a2 h
( v/ F, z' {# A/ A; krt random 360; x+ \* `3 e) Q# T2 ]5 s! K# M. [7 h
8 a2 K' B n4 P' [$ e5 {fd 1; a8 j7 @$ L( S2 |3 d% X2 ]0 H
- D( |3 A2 {! w
ifelse(other turtles-here != nobody)[
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set customer one-of other turtles-here+ t6 n7 n" K9 C8 N
( _$ T3 q( \2 a6 }" j;; set [customer] of customer myself T M! [: p5 d- R0 d; [
0 m7 F1 A$ g4 [: @. I6 M
set [trade-record-one] of self item (([who] of customer) - 1)
: o( [0 Q/ K* Z+ i& ~6 [[trade-record-all]of self2 f& @8 R* H/ e! w. y
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self$ [- }" l/ q$ F" }" M( Z) {
/ A) W( q* x8 C' `0 O% Z
set [trade-record-one] of customer item (([who] of self) - 1)
* e! E! I$ D" W: ^8 W0 Q4 ^[trade-record-all]of customer
& b! @$ A; \6 v V( d( R. ?% `, ?% P- w0 s2 a* d
set [trade-record-one-len] of self length [trade-record-one] of self! B% {, X, |% p1 T1 H
& P* |, `8 Y$ [9 gset trade-record-current( list (timer) (random money-upper-limit))5 }1 p. o' ]: P
& X0 o7 U5 C, ^" C) y9 zask self [do-trust]
2 d3 `7 f! S9 v1 N* [6 p& m7 Q;;先求i对j的信任度
0 {* N, k4 \7 Y+ s1 [# }, x2 {; k! {( Z8 N
if ([trust-ok] of self)
) S, W) I. J' w6 Y+ W5 U;;根据i对j的信任度来决定是否与j进行交易[% F( K; ]8 j: t0 F
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
6 k; |/ M" H, o9 r' m" x& _$ D) i8 H6 ^) }; ?* W+ W# t
[
7 }" l# C; `# r( l/ g2 F( y' l( O4 b, a1 z/ n) c
do-trade# U. m( K8 S- W5 e' t
* U% W! f" d" L/ n! s' Wupdate-credibility-ijl
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update-credibility-list/ t1 q2 O) ]0 g9 d4 |0 `, z' [4 d- V
( n [# A0 ]: k L1 s8 a
, P* K& E. g9 m% F+ |( cupdate-global-reputation-list3 U' d7 g& J' }% ?0 q/ a/ x
: Y0 N9 s& [8 f
poll-class" m: D( O3 W+ L9 W4 E# F
) A8 N e ~# G" [% r3 j* Nget-color
# a" m/ V9 s+ C6 @* r3 K0 b
" C- [. z& n: h8 M6 q1 x! S]]! F* |% |! w" C: N- g' M! q) n
0 a) H1 x1 p9 S Q H! v; @! u;;如果所得的信任度满足条件,则进行交易6 e% E/ i' l5 S! I' F
! @) L" V" U& Y$ L2 j9 P
[) U# j# x7 `6 w/ f: S5 X# x% _
' g$ }7 _$ l. q& u& `
rt random 360" U8 @& R9 b( _6 G5 \3 P, _$ I
: x5 v' I8 e5 A# e+ o; W( I
fd 1
$ G7 ^+ }# o7 p5 A6 d. |* d' X! u& s p) k0 U3 l
]
0 F2 [2 w" o' L$ Y9 W7 |$ ^# F- m9 |. J& F5 N$ R
end! v/ V; a- y) u) {5 X
# Q& L8 n( m1 |% [
to do-trust
- U5 s/ u8 r* p0 W5 |' K% @set trust-ok False
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/ F1 `0 T z }/ u A' M, v: i
let max-trade-times 0
/ {# { R: O& [- yforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
$ n' W1 h2 R# |0 N7 }$ |& Mlet max-trade-money 0
7 t8 {1 @: K# r& ?8 ~foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] E2 X8 {3 R6 F3 I) l( d
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
# l' u9 n/ c4 G% Q9 Y q, w5 C
! v* d0 v# H j' R7 t+ v$ X1 {% p9 d* l& W
get-global-proportion
! f+ j0 R+ Z- t/ zlet trust-value
8 G3 A, |. y `/ dlocal-proportion * (item 5 (last (item ([who] of customer - 1) [trade-record-all] of customer))) + global-proportion *(item ([who] of customer - 1) global-reputation-list)# A: r5 Z% y5 w: {% l6 t/ R9 M
if(trust-value > trade-trust-value)" n0 Z# Q4 C; s; `: q9 X7 H( g
[set trust-ok true] N9 ?4 @3 o ^1 K/ T3 \
end
. ]& W$ r9 T2 ?3 A8 b
+ \, m: Y: V- n Eto get-global-proportion
9 ]9 M: ~3 a6 }+ iifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3). |7 v' p+ e* G
[set global-proportion 0]
: F. H) l8 W/ K[let i 0
1 x9 d- {* H& f3 J& j8 Alet sum-money 0
C/ y- G& B$ W- m3 b7 w+ hwhile[ i < people]
% z; ?1 E& A% N* {[ S8 X1 U. E4 H% b/ q
if( length (item i
( I# T' C V: c0 ]. u[trade-record-all] of customer) > 3 )
" E) B9 v% k$ r' X! ^[
9 X i' h5 p2 r; `1 Rset sum-money (sum-money + item 2(item i [trade-record-all] of myself))
4 X+ f# x8 W* A- Z0 l$ o/ q' ~]3 l+ e! L+ `1 D: {- H/ F, ^
]
. ]$ Y! u- B8 m4 \8 r b9 x: clet j 0" Y4 }5 B# Q7 [& }
let note 0+ j$ x3 j# | l6 ~- f% f% a
while[ j < people]
' U+ {# t. M. M/ p" u" K[
- e, q' Y T5 x4 `if( length (item i5 a9 S, ~/ J$ _" P/ c% j' g. h5 s
[trade-record-all] of customer) > 3 )8 Q; _( J" F4 _: f9 Z' n2 h
[
2 j7 _* Z3 N% x; ?ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
t6 T; x/ [: u& a! L# H% P[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]
. G( w! T7 q9 K9 w w6 H[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]+ P0 E) A8 x5 J
]8 W1 Z6 C0 s i: Q! {
]
3 h: r- ?4 g2 u% Hset global-proportion note
' U. ]0 r2 S9 n% \! V]
* S$ N7 J: I4 R0 }end" z$ K4 I4 C& X5 ]! w
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to do-trade4 N4 {, G A+ d6 C% o1 x
;;这个过程实际上是给双方作出评价的过程5 F9 v/ c7 X# R' S% d
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
/ T; Y3 H" U& h1 Rset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价* j9 ~/ @* O* _9 n. O+ d8 J, i
set trade-record-current lput(timer) trade-record-current" s6 a! N- l# x) H( h& V! R+ s
;;评价时间
, I7 n" q- D5 M4 K: E6 \- Dask myself [
% x$ @, F. S! }) {3 |5 E) iupdate-local-reputation
x1 H u: t" O- y! D9 nset trade-record-current lput([local-reputation] of myself) trade-record-current) Z/ ]/ j$ G6 h/ v) y* f7 \
]8 e2 U/ \. a, _/ a; N
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
. c5 t) f& x9 f" b: h;;将此次交易的记录加入到trade-record-one中
4 I5 |$ B, i$ z8 f5 d1 O" vset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)' i8 g- z6 g$ b; {) U
let note (item 2 trade-record-current )
- L9 q& P5 D. w- j+ hset trade-record-current
8 u \; t! n$ W0 U(replace-item 2 trade-record-current (item 3 trade-record-current)): v9 j9 x8 s+ \4 L* P
set trade-record-current: i/ T& \8 }& k4 {/ V" s
(replace-item 3 trade-record-current note)9 @) m1 J: M3 O/ `8 U
3 P( Y$ r1 T; `& c
+ e+ ]3 I$ h" }6 F/ F" u$ D' n
ask customer [
0 x* ? r e& }3 u5 Vupdate-local-reputation2 u1 j j3 R, s
set trade-record-current6 E. U5 `6 u0 W/ ]9 H: h% r
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
( o8 g5 U; ?2 }]
: k! s! U( T [ I) V8 \/ h, H0 W: U
* f% ^! b( ]' V. X; t* M- `+ s1 lset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
- D5 z) q, E2 k9 ^2 x# A( X
. p: O& w, S! B. ]2 q% gset [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))" @! W2 ~4 N7 E o" Q2 U
;;将此次交易的记录加入到customer的trade-record-all中
- A1 H- {6 g) k! H/ t! _/ @end
- m% n% u( `! |% u
, `/ ~" e6 l9 k4 D3 h; |to update-local-reputation
3 r+ A* X% D% u4 [9 eset [trade-record-one-len] of myself length [trade-record-one] of myself
! h5 e% f# g2 l x
, |9 H' c: [- Y$ X$ e! H. \4 C$ p8 I) x
;;if [trade-record-one-len] of myself > 3 : v/ s0 P# I: G. ?8 Z
update-neighbor-total' t* G9 U4 @, I* b7 o6 i1 d
;;更新邻居节点的数目,在此进行) B1 D) j6 a X3 D% N
let i 3
( A' ?4 j3 P% V& v' [let sum-time 0
) {4 f; R" ^& s8 |) J( m4 ^while[i < [trade-record-one-len] of myself]
" f- J3 _. q4 |[
$ x7 T: s& [1 ^0 l: v- Bset sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )' h* p' P1 N! X( S: X
set i
]8 z* k% y# N: j( i + 1)" ^5 o4 u' x* D
]
- H# F5 x' q0 p+ O g2 Dlet j 3$ C$ V! v5 q- c4 Z2 I0 h! |
let sum-money 0 R& H4 G. V% j @- }* h2 D
while[j < [trade-record-one-len] of myself]
& J5 X1 J- d- ~' X[( y9 v+ U4 p7 [' Y5 A
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)
1 A( C, f& V& Q8 K& D Y$ E' ~set j$ z- m' f; E2 F, f0 u) G H
( j + 1). q/ s! D" D) ^* x# g: |
]
- i7 g2 s7 P. u& C* Jlet k 3) v% W( D% M. z' I9 J
let power 0
7 A. T% j; F! S7 ilet local 03 F+ [& W. f# n: H3 I2 f e; H
while [k <[trade-record-one-len] of myself]* N: b+ u3 X& R3 ?3 A/ G
[
+ r$ Z7 x- ~$ G+ Zset 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) ) I! H" }+ C5 e* r+ @! ]- `8 h9 j
set k (k + 1)
" X* ^/ n% @" j3 g% w] M$ U" P X( x$ z& R
set [local-reputation] of myself (local)
& K; o x2 l1 A6 G, [; R# p# bend
$ l. ~% H% j9 q* ~- K; }, E3 S
to update-neighbor-total
5 x$ a& k3 l" ^9 G3 Y+ K- T, x( S5 D
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
% j a" w% e1 K6 u' k
: H+ f8 n( A q Z1 `3 l; ^9 U6 J+ }* v( s+ D A/ V
end
9 O& r* Y6 w1 J4 U; i- W% @0 W; U; F$ a% A* C- \
to update-credibility-ijl
8 a- F& O9 m7 ?% c' f7 u
# P; f# N, |4 Q' S6 a3 b/ q1 e; n' ^;;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。4 H, P, @$ {7 w! w; n! O; a0 J
let l 0
2 i) {/ K* ^. m% T7 kwhile[ l < people ]
! Q( ?( b: w& k6 Z;;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( S5 N* r; o# c$ H
[
) g z0 U/ [: i# b- plet trade-record-one-j-l-len length item l ([trade-record-all] of customer). B9 t2 U' V! T
if (trade-record-one-j-l-len > 3)
; W( f" U/ x7 s% r& b$ T1 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-one) ~1 D. I0 W' [5 G9 r: N) ~
let i 3
0 G+ b6 U8 e; i; \let sum-time 0/ p& P8 c2 V+ k( }
while[i < trade-record-one-len]5 w3 t1 m7 L' Q- {' ~
[( B9 }3 b9 y- N! b% E
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) ) t0 v! P4 r0 o" D2 ]) g
set i
, t4 X8 D% I# i$ p6 f( i + 1)
5 { I4 \: R! _1 B: x8 b]
# q5 ~! A2 B, G7 g4 Ulet credibility-i-j-l 0
! f L$ S% C* \6 j6 b& c2 \3 k2 T;;i评价(j对jl的评价)
6 `. l" V8 M- k8 u9 o8 glet j 3
) a/ H5 k; f4 c$ g( L1 Q& llet k 4 [5 ], V: F7 P+ x) l. o l
while[j < trade-record-one-len]
& }3 H# y: B$ u _+ f[
' O) j6 z" W1 r$ R+ Z+ \; y0 Iwhile [((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& q1 I( u! J4 f$ d$ r6 }
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) l; t( [) B, o5 K: j
set j. k! v) i' A+ C) ~$ Y) F9 j/ b
( j + 1)$ ^$ o0 |3 o$ M6 h- y' Z% k
]
( O+ m( g! e/ X% q$ ~# i( _. 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 )); r" f! Z% \. Z! i% V
1 [* b4 D7 j5 B3 p( l$ t, @) n1 n. J
let note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))6 G" G( @$ j" u; d
;;及时更新i对l的评价质量的评价
# N6 V% ?# S* o* \! \( Vset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
$ x! j( n2 l# V) ~; wset l (l + 1), a# q' r$ B% [& v" X
]7 I; l$ q9 }8 I/ \ | _% W3 P
end6 X& h0 a" u( n# F6 }5 I
. x' _" n1 R9 N* ^
to update-credibility-list
i. N' F3 O* u' Zlet i 0
4 J* S& r. H% n/ B5 uwhile[i < people]4 j% ?- N' T! W( @
[
! U, [4 L, V2 T7 J: H9 v8 Xlet j 0
) Q, [7 N# ^$ T1 z) k0 f; ~let note 00 i- u9 ?* ~8 ?5 F
let k 0
( e5 a; H' q# l- x# b- N;;计作出过评价的邻居节点的数目8 T/ Y' B) @3 `9 e, W1 a( ^
while[j < people]% N) q1 r- P" W, z; G( A( ~
[
. D: l) p* z3 g- @; wif (item j( [credibility] of turtle (i + 1)) != -1)" s( q u* k% F5 A2 \3 k b0 J
;;判断是否给本turtle的评价质量做出过评价的节点
: k* G: j1 a0 a) R+ o+ E[set note (note + item j ([credibility]of turtle (i + 1)))
0 `4 ]& d O" B- |3 h q$ J;;*(exp (-(people - 2)))/(people - 2))]
3 J9 ?+ y$ j, o5 O R* m2 `7 K, u( _, ]set k (k + 1)# H2 v7 H, r6 {1 J! r- O w
], z9 D4 X0 j0 G/ s2 F
set j (j + 1)4 p! }. o5 f5 Q& V7 _/ w
]
4 e% A1 V0 u, |" i* W E0 Vset note (note *(exp (- (1 / k)))/ k)
" v% A' k' I& [" n) T2 E! Uset credibility-list (replace-item i credibility-list note)
# X, q! X* b/ @, R' R) a2 \set i (i + 1); U9 z! ]* g$ z) U. U
]
- U# h) q! V/ l8 w) c M5 xend
% Z# d0 M. u" L0 M
# I+ X) ? L3 H' Ato update-global-reputation-list- K) o9 F6 N8 E1 l' P
let j 0
# L. ~$ k7 N& D/ ^, M" l# z4 Awhile[j < people]
( n" B; M/ Q0 i. b2 u[
8 H) U3 S3 F' ?- B5 C8 z) R3 {let new 0
2 f8 F* z' C$ e* D8 R;;暂存新的一个全局声誉
+ L5 r) f& f6 n0 c4 y# \$ zlet i 0
) h+ S$ j" v5 ]5 S+ s$ `let sum-money 0
q2 U8 v4 ?+ \- K% ^+ }- Dlet credibility-money 0
, [0 O8 o F% X& ~/ H& nwhile [i < people]9 ~4 k$ P. p) U0 [' L' v8 S
[
% M7 B2 Q& }! x! p" pset sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))1 K K9 e; y* e
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
0 X; u; V$ s+ ^# J' @4 O. }set i (i + 1)
7 q3 ?0 k7 Q9 X( \) `]" y" m$ Q( y, R3 |3 h
let k 0+ `4 A- M* w( h& n; ]% m" b
let new1 0
" ~" ^" o' F0 Kwhile [k < people]2 V" l* V" c7 W# V
[
, V! v+ d* {# z0 H/ ~& O& h1 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)& M9 P) ?; m+ b
set k (k + 1)
7 }: r3 I4 _: k+ I, W* W6 b) F]* A% [ T# c! w p
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
6 e. d% |- a. Fset global-reputation-list (replace-item j global-reputation-list new)7 p4 i; b6 P0 S+ r0 f3 V
set j (j + 1)
6 n/ o Y+ m% ~% K9 Q9 B]
1 M0 q( r. m# `# q% Bend8 I' ]- ~/ a, x, k: {
/ g$ u0 Z& k! A0 F6 V. _8 f
' l4 L( M- V5 G M @
' l8 V9 N l) J1 X% P+ [* k2 Z
to get-color
: y) y) m- L, y& F. r
5 W7 b1 [1 y6 [/ ?; @" \$ Iset color blue
, [! X8 L1 B- tend8 I0 B- K1 J- T4 z* w8 y) j
4 n' x0 B5 n8 z2 Z8 e+ s! ]/ G
to poll-class
" f' f3 E3 ~$ O1 c+ G/ Tend
. H: l8 t* ?3 s2 a9 \1 ^+ ^6 X
& U: v( @9 C* c5 V( Z c; Pto setup-plot1# l) y- F$ p+ u
, Y; m8 b' N; ?& L! w9 ?6 H+ ]7 q" L
set-current-plot "Trends-of-Local-reputation"+ X- Z% i* {' w' ?- Q# M
. j! y, B9 \. I+ a9 P. c. Iset-plot-x-range 0 xmax
( [/ |( w% {5 W% o, s
3 S6 _2 [# E0 s" { y, ]; rset-plot-y-range 0.0 ymax
; z; M' ]/ L5 W2 R) B3 ]end+ B# S$ U. k$ Y" b- K; w
, u( f2 F8 A5 F" e0 S Z8 i& t: |
to setup-plot28 [; d# g B9 D
- G0 w B l5 c& F- z, f* h* Dset-current-plot "Trends-of-global-reputation"( J6 f* c" P( x, Q, k% S
' ?; D0 _ V7 R6 W: oset-plot-x-range 0 xmax, `' U. ?& x/ Y. G. k- x
( A3 ^; X6 H2 ^- [
set-plot-y-range 0.0 ymax
( [" ~8 M$ j) s* o. R# O( C7 xend1 o/ m, S- Y$ O0 U+ r; M1 P
3 U, u3 M7 k0 M9 D) Y
to setup-plot3
. w8 v) J: Z! m) E- n3 L/ L2 [2 J7 j0 U7 ^% r; y
set-current-plot "Trends-of-credibility"
% z M: W# @8 {3 g' m4 H
; K8 z$ z* L# Q) ^set-plot-x-range 0 xmax
7 `, E: y% m! Q5 z7 h2 ~/ e( d0 \, O, |: F" E: c" Z& Q7 V
set-plot-y-range 0.0 ymax7 E4 U% \5 x$ v# o H9 I+ q
end
. ]2 n; j5 g4 P& \* s
- T' T- `- v$ l: G1 ^to do-plots/ G' R7 g. u; k5 g) _3 I6 |
set-current-plot "Trends-of-Local-reputation"
5 f) n! V8 n* d* `4 p$ Z6 Nset-current-plot-pen "Honest service"5 O2 d0 B+ A @9 |' P
end
; p; O5 l- Q& H& w- b; \6 o. z% G
6 d! l& D6 s9 `* W& Q[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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