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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" |) O: k& k6 `
globals[
0 v3 T3 N7 t6 v6 ~2 bxmax
/ a. y- i* p) g Pymax& h0 D: c3 [+ T
global-reputation-list
: j. {9 J- }+ t# X4 h7 n" C5 D* B( l0 ]7 G% Z, A
;;每一个turtle的全局声誉都存在此LIST中 p# T9 }) D% t. ~( k
credibility-list; b. c0 P8 m5 z0 K2 W: N0 Z
;;每一个turtle的评价可信度
% L; f* q: a: c9 t% [/ Q5 {honest-service
2 B" V1 @' N% x, d1 Gunhonest-service
" k/ A; P3 b) M6 J6 w" I2 Koscillation! }. g- o" r$ x: A9 ?) {& h
rand-dynamic
0 d ~8 {6 \+ i]8 Y" Z j6 `; D' e4 E. m4 ?
! u% g/ ^! T7 j: N9 |6 _! B8 Wturtles-own[! S0 K# d& ]- E3 H7 W
trade-record-all! f p/ s6 [6 r, ^' u
;;a list of lists,由trade-record-one组成" Z* d8 y% C7 \% i0 |2 i$ \2 M4 w
trade-record-one2 L3 Q F6 \; S' `% n+ R3 N
;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录, h( }9 X2 t6 z0 @5 j( M D6 v% Q
2 T( N7 {7 R; d;;[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]]: }, B1 L& C5 f7 I- Q& N. t" |
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]3 G: @3 h& b8 b1 J ~
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
, d+ {5 f. U# e0 C* k$ {* lneighbor-total2 j7 y8 v9 }! S5 X5 H- h+ W- W
;;记录该turtle的邻居节点的数目+ R4 V4 P$ z" |3 L4 ?! w% H
trade-time
) q* F5 T$ [2 e$ ]( [) u; ];;当前发生交易的turtle的交易时间6 u7 x* j: n$ X. W" M" t
appraise-give
. i5 ]! c7 U+ d3 {# ^( ?4 ~' M;;当前发生交易时给出的评价
4 \! W7 z( H0 b) f3 l- g+ J' cappraise-receive3 N4 e7 }; o$ L
;;当前发生交易时收到的评价
7 L+ {) S7 p9 w. @' g/ Nappraise-time" @8 a W2 p4 R# \& K" D
;;当前发生交易时的评价时间
3 w2 Z" B4 B3 k/ Q5 v; u- ?: I) j; Llocal-reputation-now;;此次交易后相对于对方turtle的局部声誉, {8 e5 s7 Y1 |$ j; P Y) v
trade-times-total
* H' N3 P; O" i% o, Q;;与当前turtle的交易总次数
D9 E8 \% e3 \2 }. Ztrade-money-total. k4 c$ |. L5 p8 i" X& @% c( b5 f
;;与当前turtle的交易总金额
% Z0 r4 w9 v6 N: H9 B2 clocal-reputation$ r# @- Q3 z, }, R2 o- D6 s( c
global-reputation& N+ s v* ]: t t: c
credibility( g! R4 ]2 l9 c$ n) M
;;评价可信度,每次交易后都需要更新8 u5 X9 V8 F- Q: n
credibility-all/ K' G# c9 L# f& [
;;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+ A# d( @; a# H& p( d. @9 l
# w; F5 l' S3 X6 I: w0 d ^
;;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0.53 V7 j0 ?1 z5 N; i) K+ u
credibility-one+ f* i, U5 s: |) p E
;;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
; R; A; M- P7 t/ E# Sglobal-proportion
, g' |8 k+ Q/ Ncustomer6 C) a/ k, }8 m {
customer-no
_! P) o& v" [/ ntrust-ok; L9 P) O( d; T1 E/ g
trade-record-one-len;;trade-record-one的长度: n+ h( ]7 T( |+ E& x8 ]) y
]
+ W; X) o6 `- C1 x- K) V# ~' | c9 C/ z
;;setup procedure
5 |; |2 U" W2 \# S& w. J, H9 y& d! e2 ]' t) |0 f' l
to setup% e( e ~% Z: W* Y- a/ A
6 y0 b$ s* A# Y: D' Z/ J T* g2 a
ca" c3 X; u( l2 R* y) k7 D
0 A9 t. E9 n. M; H5 X5 R
initialize-settings/ `- s* n% J3 t# I9 Q6 _/ ]! ~: Z) c
3 t, F: w5 B) }
crt people [setup-turtles]% K* [* J/ o- B; B7 J" R
. F5 A1 o0 Q( d: u+ x. e& f, h% }' breset-timer( S5 [( h7 @# r
v& {1 p k% j! q9 d4 _5 Zpoll-class$ H% s- @7 X. O
* {/ i/ y3 F+ O3 [8 I5 ^
setup-plots H1 ]) s! ]9 [% }3 A+ a
' G$ N b0 m* ~1 H% N& d* M: g4 \
do-plots
( \% m. U9 ~" m$ t2 }! S/ b! \/ cend
5 Y, H8 {3 b/ `, g3 M/ A4 m& ^( z5 n3 E& r
to initialize-settings
7 J; l8 g. f. }$ n: A8 _; w- \
5 V2 w; v, Y2 I0 L2 Zset global-reputation-list []
; g0 M# x) X! g' C8 Z% [7 W! v' ~, r" @4 |/ A/ S
set credibility-list n-values people [0.5]
9 v' U1 V; v; k4 ~) [: o
& F6 W" r* W" o1 ~- T5 p' W7 Iset honest-service 0/ r8 T) [$ i3 j8 j# ]7 i( F. W9 u
1 u- k2 u5 N$ [2 z' N% j
set unhonest-service 09 I$ h% n! m! D1 J4 {! M8 F8 E9 Q
; X; V# \' ]8 Y: x5 t9 Dset oscillation 0
$ ]0 N2 m5 B# Y9 y, W& ^$ Q* v3 S9 T9 y, s" l8 Q6 c* O# Y) \6 z0 c
set rand-dynamic 0# Y- K' U, v' r
end2 K# t7 Z8 {2 a. o q
3 Z( v1 o: Z( ^) B6 C Uto setup-turtles
" T& |9 c8 u2 w5 M8 tset shape "person"
3 H" T4 K6 d9 `, M7 a9 xsetxy random-xcor random-ycor& t$ J2 A+ W5 X5 | N4 c: f- d
set trade-record-one []$ ]5 u& }# n0 W
4 F1 H/ q! F$ V6 G( qset trade-record-all n-values people [(list (? + 1) 0 0)] 1 v4 U) @7 L' o4 }& a, V: }
& P i8 }; v& pset trade-record-current []
1 S. G! T7 S: e& i/ ]set credibility-receive [], w* y# V& p4 e+ e
set local-reputation 0.5" M5 c8 U9 X, d/ s: e" W
set neighbor-total 0
# x) ~* g9 ]/ w {8 W1 ]) gset trade-times-total 0
" C8 V, j& N1 {+ k3 Hset trade-money-total 0
2 D: h+ ~( d$ dset customer nobody- G! Y7 F5 _( P+ n6 H1 b
set credibility-all n-values people [creat-credibility] e0 u! e7 z6 G0 g
set credibility n-values people [-1]
/ s+ E. H/ f9 L6 cget-color2 e1 b3 n. R1 w8 M
7 @+ G1 }: O- q$ v3 V9 H) Zend
/ x: V- O0 J0 h9 C* G% j( i( u. h
to-report creat-credibility
, C9 j" J! Z- o& W4 U. P3 d5 Zreport n-values people [0.5]
" l1 L C; G; V6 j+ Fend
) }3 R3 k5 Q" b# Q1 R! ?1 R8 N* ~+ k5 x
to setup-plots
/ N9 U% B: S- W6 z$ _& J! r* C4 m
/ g, m$ Y9 ]8 t) F8 _( ^set xmax 30+ z8 }, s; G* y* N, T" ]5 [, [) n
9 [5 k: [: Z' l* F4 c; s$ Hset ymax 1.0
8 v7 E; P- K* i1 n1 {; @
0 u9 c. |. @% f( Y8 aclear-all-plots
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setup-plot1$ `8 Q( o( S- a4 ^0 }/ s& r6 I# j! U
' y5 E. V/ p, t" R( j }8 N5 d# l2 F
setup-plot2" n1 g8 S6 G/ P
6 y- j* }0 C, m& z9 Q+ ksetup-plot3
3 h( \$ b9 H& [$ Gend
" l; Z3 j# z. d5 o. R+ Y2 V
]9 {' R8 e& j E$ ~;;run time procedures
$ @! n( z y/ x
' @+ j0 G& [) O0 G1 d+ N* L" h( Kto go
4 q% I a4 }) R3 J' W0 H' Q% [4 U1 A3 W
ask turtles [do-business]
/ B, s3 I. |/ ?' T% }end
5 R- z; H/ b e/ q1 q5 M6 O7 \+ `: m8 V; T7 [: c. V% E
to do-business * r O$ l* l1 P( P
% Z4 ]1 ]# D! F ^
6 B' V; I# ?5 trt random 3607 G' ^' v5 R _) F5 a8 F5 \
& G) O h8 ~" f% h! y6 Q2 t; o
fd 1) P2 _& E6 E# i4 h
A. m% Q/ j, I6 o) G9 T2 m* O9 hifelse(other turtles-here != nobody)[
& F( X' d3 V4 D; ]
8 D# s7 S' \4 @set customer one-of other turtles-here
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;; set [customer] of customer myself1 w! @! S0 X3 B, J
" [. V1 g& m1 M9 fset [trade-record-one] of self item (([who] of customer) - 1)
( i, Z+ q1 q: n[trade-record-all]of self3 T( m$ s& K7 ]4 P+ y
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self7 |; C. I7 d- S0 c7 S2 a, i
3 y x3 B7 ~4 n0 k X
set [trade-record-one] of customer item (([who] of self) - 1)7 w: B4 J: A! f) x4 A) N* h! }
[trade-record-all]of customer& N, s4 ]' V) `# z+ b, v3 c
+ P1 F. z- h$ l. I/ U/ Dset [trade-record-one-len] of self length [trade-record-one] of self
9 `( G) Z5 o3 R
* V: Y) E& t/ F% U6 Y2 c$ ~set trade-record-current( list (timer) (random money-upper-limit))
, e3 I3 m1 ] F/ |- f1 D/ E- r( ~- a& Z! ~: y$ W& t) w" c
ask self [do-trust]
7 e- \2 v0 A; a: k$ t- d;;先求i对j的信任度
8 b& D% B9 x( ?' q
4 p7 j c' |1 j; {. K) dif ([trust-ok] of self)
2 w/ Y' c `0 J;;根据i对j的信任度来决定是否与j进行交易[7 R" Y% P7 y0 R* M8 A4 b8 L
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself" G. m# c0 C5 Q' s1 ?: _) Y4 _' W! U
& T! X$ H4 F2 X e7 _[4 Z3 a! p5 s [* v: E
0 e/ z8 E N+ p6 Y8 z1 mdo-trade
1 ~; E4 @- ]% h
0 _0 k7 f$ K; d# s$ s% u- n. Y) ^& r: Jupdate-credibility-ijl
" A- L1 B5 w- g/ G ?' X8 n I' R
- \- l% v) ?. J+ b' Eupdate-credibility-list
3 B6 l1 p% r$ f! z$ N8 q* U0 H
) b. K& K7 X3 e6 s$ \! v! a- k# u; _) h/ F R! ^
update-global-reputation-list9 k, o7 z! [: O+ B7 g& g
$ o5 T, n7 A/ m. o q$ _- Dpoll-class
, ^ Y$ o! K! I. m! F
) }* N$ R, m" l2 Q% P9 [7 hget-color
" q: C' k6 Z2 n# S3 u& h% Q$ b! ?$ N& c2 _7 ~. Q
]]2 v' O2 W7 N8 v8 y: A
3 T$ e- F; c4 k' u$ d% R" |. j;;如果所得的信任度满足条件,则进行交易& c* Z& s9 U B2 O
2 p! a% z/ j9 M' y
[
9 y6 G0 `2 ~( q$ F5 b% M* L: h0 {- R$ ^; X( g, ^1 a y
rt random 3600 S+ U. k4 F9 x6 B1 `7 m
& t, N- {$ M; M' x2 q9 M. R Qfd 1
! ?% {5 T% N8 v$ R3 o3 H" j; j- b8 x2 p: T C* H
]. h# F- S( [/ Y8 n8 q
- ?! S4 e0 C2 X U8 B6 mend; }; j [/ T8 k) }4 g0 E; C
5 e* O/ \6 {' B' K6 r/ \, d
to do-trust 8 W+ E/ z7 X5 S- K
set trust-ok False3 c6 P P+ S: w* l* U8 l
9 O3 Y: S: S1 ^4 x* B0 C
. g7 ?. l2 T' r
let max-trade-times 08 \" ~. h6 S2 }' E
foreach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]" {7 X! q" z! i# N- X+ E- o
let max-trade-money 0
9 `. G# v6 @ q/ T: sforeach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]]
/ R% g- M- Q) j6 o4 mlet local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
: A( g9 z( z- ~: W y7 i j# j
3 H& R; S% I4 h% y$ D* n' r% D% ~- O3 ~1 y& b2 R* @, }8 D% |6 E' s
get-global-proportion6 k7 Y7 K' V* e/ y' w5 i
let trust-value: ]# `! x) Q+ ~' G D$ x
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)
* s. p& W( N- ?$ k7 Sif(trust-value > trade-trust-value)# B- g# Y: s7 J3 m E& ]6 |
[set trust-ok true]) d1 M' O( x5 g3 R9 M
end* [/ @9 H2 s& }4 S1 u9 N
3 D; {. o3 z/ {6 E' wto get-global-proportion2 U% }. T! `$ m7 v3 C3 G
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)
* U# \2 u4 `: Z$ x! C0 h( w6 Z9 u[set global-proportion 0]" H1 J8 B" C& O
[let i 0! J* _; }( L {# l+ M
let sum-money 0
9 y2 [" P4 C+ s9 V4 ~while[ i < people]5 t8 u S1 ^) g9 @4 P0 @ x- y. t
[
* H' k# J8 j6 i8 {5 f) Qif( length (item i1 r( d- c7 A3 b3 g& M+ D7 i
[trade-record-all] of customer) > 3 )
; g0 e y) \" M7 t+ e6 `4 G[
7 r/ L; I$ b X* z$ r+ ?set sum-money (sum-money + item 2(item i [trade-record-all] of myself))
S, s6 c' f) Z, x8 p]) M) e' j; _; ?/ `5 r) g
]
6 E% F! y3 w# C }- ^let j 0
% I4 }/ N" G- B* m) Llet note 0$ T9 M% i# i) Y, X
while[ j < people], I$ ?8 e) k* c* \/ k
[
' ~$ C4 R( ^7 V, h0 g$ tif( length (item i
1 V* X" D# |, P/ R! M3 A2 I[trade-record-all] of customer) > 3 )
1 s* A) K; g. b/ V- N[- p1 V$ S0 K! ^5 {
ifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)# @. j# _5 {% B* n
[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]7 m$ f3 \9 N& \9 j
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]& x y# ^. r1 q# S
]9 x! Y5 o. h" O3 `8 o2 `; a
]
4 @8 f5 k7 [7 R) t8 \; _! u7 wset global-proportion note
! s" [ t" Q6 f [8 V$ t5 E]
% g9 d% q; I% z9 dend$ l% b+ y% l( W: ?) E: o' n" G2 ~
, ~5 \( b( _; z9 O4 B9 r. f
to do-trade Q% o j8 m: r' b) t! @4 ^- d
;;这个过程实际上是给双方作出评价的过程
. E2 ]$ z* w9 g6 w9 Y P& Rset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价# \, D' S# G; W8 m
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价 G# j( Z( r; F- e3 ?6 n3 F
set trade-record-current lput(timer) trade-record-current
" O% p* j+ }1 w }, B;;评价时间
) m6 @4 b/ O6 Z4 R8 X- Aask myself [- b, `# A4 a6 y, T v
update-local-reputation: X3 H: M2 s1 T* z4 N2 }5 K3 l' c
set trade-record-current lput([local-reputation] of myself) trade-record-current9 [: U& J% b" g
]4 _7 E+ M- c; R- r* l2 o' [6 H
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
' W% B: M$ |/ t, j% G2 {) Y* x7 u;;将此次交易的记录加入到trade-record-one中6 g v5 t' ?1 w& f- O
set [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
3 V- R% P: A+ Q+ A4 h6 l( Plet note (item 2 trade-record-current ); r) ^! T" |5 E8 n3 j' l7 b! m
set trade-record-current1 y: A9 k5 u% W/ U2 S; r. g/ B* Q
(replace-item 2 trade-record-current (item 3 trade-record-current))
; D: N3 Z$ ~% eset trade-record-current
* Y: a) @; Z' b$ N5 ]8 `1 V) N3 k(replace-item 3 trade-record-current note)% `0 k; [ @/ f" X% K9 @8 i
/ w: O* ?8 \$ e# [; O
0 X! `, I) | ~) |4 `1 K y$ R: P7 nask customer [' N: G `8 {7 K6 X+ ^
update-local-reputation5 X; i; `5 o+ s
set trade-record-current6 z3 r& y7 H, x
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer))
4 {6 e8 f3 b- b9 P6 R5 s# s]6 m; N& j4 ~. B( l0 I/ C5 l
, @. D5 O% Z4 m
6 H9 f- q8 Q' R& J. c4 S( Z3 Mset [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
1 n2 ]5 M6 _1 Z) p2 V2 A2 j* [- [* ^8 k
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
9 @) ?+ U& x& W- n. a;;将此次交易的记录加入到customer的trade-record-all中
1 V6 |( S0 |% p7 @0 fend4 m( a: m2 P2 W. b \9 r' K
3 L: Q9 Z) X5 R4 f4 U& U( _( ^to update-local-reputation
/ p% E: E) q( a. Y' j1 K5 tset [trade-record-one-len] of myself length [trade-record-one] of myself
9 X. W9 k$ s( }0 P5 \& B( _5 f: J* I0 u8 y8 |
+ T! d# P% J. Z! ]( A9 d;;if [trade-record-one-len] of myself > 3
1 {) N7 V( Y6 w! h V- \# uupdate-neighbor-total& S! Y' t' G) v, t+ M; \
;;更新邻居节点的数目,在此进行
" `7 N: |1 B8 M8 b r8 Slet i 3
1 ?8 M- t. m8 J) e6 |let sum-time 0
$ K X7 e2 `& z8 l6 i/ o* Mwhile[i < [trade-record-one-len] of myself]
9 r5 j$ h2 V, f' o0 S' o8 C[# P7 [" Y& ?% Y6 @, B# y2 b# a
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )+ I+ v$ \7 t% n: ?
set i# U0 d2 T" a! Y. j
( i + 1)
6 t/ o5 x. {) r( x' p, N" S8 q]
7 p. t" L8 J/ N" Q: U! vlet j 3
, q+ } h1 c; E# l) H- P6 nlet sum-money 0
9 Y5 d5 \& z8 ?. z4 n Bwhile[j < [trade-record-one-len] of myself]
/ E' _6 p5 n j) R# s) U# {[. S$ B* R+ _0 s
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)
$ ^ B, ]* y) o- k$ r3 yset j8 Z$ z7 \& z( b3 W
( j + 1)
: M- {4 K1 l$ J, m8 b7 G' }]
( b; J' \, M: R* |9 G0 K' [; Olet k 3
& X9 L L, g: l. @# Tlet power 07 e8 O) D" L+ q d0 a
let local 0
u3 `1 E" c% U0 k2 P$ r' \while [k <[trade-record-one-len] of myself]
5 f6 _6 q1 L3 K9 L p[$ Y# J6 ~( @6 j% [: e3 Y+ v
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 y2 F% ?. m: J0 ^. V7 t# W1 o# T$ Q6 ^set k (k + 1)8 X% s l3 X) r- A* R
]
E. A1 o9 J0 x' k1 Vset [local-reputation] of myself (local)/ } e2 O; z8 U# S' i3 U: `
end
6 O% S; z% T1 g: {
0 d$ z' E4 u6 ]* j8 qto update-neighbor-total# U. Z/ q! P+ r4 G8 m
; v" k3 U1 s- S2 L
if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]
8 n9 e; @# ]$ W8 a* B @& N* g5 G$ _4 W- I7 U2 Y& {
/ e6 j/ G7 p6 Y/ P
end
m* I. C- v$ d8 u& w3 D* Y8 m" }* e G, U
to update-credibility-ijl
# V" A, v, J" ^: R$ E
) r% e7 F$ Y% Q6 x;;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。
% a4 X5 R+ e5 i$ M7 dlet l 0
) ?8 s8 }8 S' w% S6 d6 nwhile[ l < people ]! t, e9 P# w: h
;;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
7 G! e# @. }2 E3 T" h; h[1 E! S5 |/ P% w- f- i
let trade-record-one-j-l-len length item l ([trade-record-all] of customer)
6 u c4 I* D) m2 vif (trade-record-one-j-l-len > 3)
: q$ a B" u8 G [6 H9 d' B[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-one2 Z1 c1 A Q. X1 C: N
let i 3
3 X( I3 h+ H, r8 k+ m3 Nlet sum-time 0
4 J; V C2 o% |1 T) N) R1 Dwhile[i < trade-record-one-len]
: X# @4 l* J6 A6 N% C[
7 w# Z. @) u& s# f+ nset sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
9 ^! I% ?; p* D% j8 Jset i
! [! ^5 I/ c2 {+ m& p( i + 1): @. N2 x0 M4 R" @7 ^9 n9 F
]
m& K; @6 v9 J% ?let credibility-i-j-l 0) I5 R5 h& u5 \5 i' u1 i8 r! }8 L& l
;;i评价(j对jl的评价)
5 r) \" I d9 j4 |let j 3
* x7 |! `( J6 v/ Jlet k 43 @5 y q2 s0 M8 Z9 {; E* Q, _
while[j < trade-record-one-len]* }7 L# [8 B6 c+ D6 r) w+ w" L
[
! m& t3 ?9 I. w2 O q, } Uwhile [((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
9 k2 I2 [0 w2 b) k3 \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" |: z0 g9 B9 f7 \/ x2 G6 @5 ^0 r
set j t( k; w# X# e g
( j + 1)( x. `( O0 |5 ~2 U8 T$ y" _) h% i/ I: i
]
" M! G( {- J- u' j* J; Lset [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 ))
* D$ z* W% E8 W
# t5 I* q1 Q7 s+ k9 e, b+ N
. s2 u- @' k0 L( H) o2 x) zlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))6 A- s) k+ U# R8 u
;;及时更新i对l的评价质量的评价
1 P$ U1 Y; U: p; M! H3 d$ ^+ Xset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
9 k1 U- [7 n& j* J Lset l (l + 1)' N+ n) g# f: g
]
`* ]& | V: [3 X' \) `* V5 ]end
+ E1 e( f; e& a+ t% a
7 [7 j. Y, k+ g# Ato update-credibility-list
) ]' m" Y s8 R8 q* o0 {3 plet i 0' d! U, k! ~" n+ E# S( B
while[i < people]$ I, j8 z' l" G
[
! c# y! \- t _' |5 R9 wlet j 00 G0 t7 X0 d \$ M, T. k C! U
let note 0
5 |7 l' B. R3 d( ` p) |5 Alet k 0/ c3 p2 r5 u. ?- _( D
;;计作出过评价的邻居节点的数目( C8 h% f8 O- U- l4 z
while[j < people]9 D9 ?: i- Z. K* F/ Z! q6 i# O
[
( s# { t8 G b# {8 Lif (item j( [credibility] of turtle (i + 1)) != -1); f/ |. c0 W' j. i" T
;;判断是否给本turtle的评价质量做出过评价的节点7 Q7 G& r8 I% @
[set note (note + item j ([credibility]of turtle (i + 1)))3 c( N- [" A4 e" [5 q
;;*(exp (-(people - 2)))/(people - 2))]+ z# T5 h9 K2 Z# ~( O& S
set k (k + 1)9 Z/ v; l7 P2 N$ N
]
# [: l# g0 E9 B$ R; J9 s! R- xset j (j + 1)
$ g9 l7 Q5 z+ d4 ?! F' k, P% \+ x]
) H. r. F% w+ y, Gset note (note *(exp (- (1 / k)))/ k)
6 F: i3 `. L" h) x+ Sset credibility-list (replace-item i credibility-list note)
( H1 Z, s$ V3 k' W* gset i (i + 1)+ x& u; H% F" h& a( V! i
]
8 f1 A% a% K6 g3 S+ s0 B+ Fend
% S* p2 P% \5 h
4 t) l) Z) @8 @6 Qto update-global-reputation-list
# P4 ?. e% z7 G# Ylet j 0/ w+ B9 b, S5 t# X P* b
while[j < people]% n/ S- k# K; l$ D+ p/ l5 s
[
2 Y2 K ~% t0 _, f/ b7 \let new 00 l1 x p& t/ U' K3 C: Y. j0 J
;;暂存新的一个全局声誉
0 p) e) ~. _! Nlet i 0
7 r; h5 d3 S0 ~3 Klet sum-money 0
$ a8 o4 g4 s* |5 d8 tlet credibility-money 0
. y( |7 P# V& t6 T- U) hwhile [i < people]% H3 q6 g7 H g
[& f7 x Q! Z* ?4 V* |* |8 ^4 V
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))
6 w$ a% V& Q7 Q' `+ _. }% gset credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))
# c7 I' U1 K" z7 B& e' b% u" O; sset i (i + 1)/ `6 B' ^0 O9 Q. s
]
, y4 e2 w% u9 V1 u6 r$ _# Glet k 06 d8 y' [) R, g; @/ |; H$ Y0 A
let new1 0
9 l7 a3 |* K7 E, D0 E1 v* j2 Vwhile [k < people]
7 s7 r A8 u+ g* y6 Z1 N[+ U. l6 @ _; i( w5 u+ ]9 u% v+ G
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)
7 G! R, p* ]6 a! B( bset k (k + 1)
: s- G# Y7 S# p9 |8 m2 e' j]! D! u7 I2 m2 w, o1 x# {' B3 p2 q6 N
set new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1)
6 p: P) s" a* k0 B9 T) xset global-reputation-list (replace-item j global-reputation-list new)
3 j7 ~2 k% ?# o4 A% Kset j (j + 1)
! x8 F1 a) P( a9 }4 ~( {]
; C4 p! }/ u* e0 T! z7 xend
1 E1 \* _0 \- G# J7 X* E
7 l- |' c( }" E+ W& R+ E, C f- h9 L9 v/ T3 \6 r; b) t0 k
- }+ v7 ~; r+ R' o& t, Tto get-color
/ A8 \& K& O3 Z, J% ], b
2 i% {) J0 a4 fset color blue
: Z- I; H& C |1 Vend7 x8 D% G& E8 |8 e
Q% L7 D3 y( w
to poll-class
/ K# J2 m% r7 y2 Z% u+ Eend
) Z) r$ \7 s6 I d3 B, W H# ?9 o
to setup-plot1
$ b5 L0 Q0 Q. M! {: @, _, e8 ~/ v
; {% f w3 U/ B3 b3 r- B# G+ N$ }set-current-plot "Trends-of-Local-reputation"3 T" A+ j. ?, j0 y j
$ n2 v! p. |* o" r6 wset-plot-x-range 0 xmax
, @. Y- b* A0 b
' ~% P! y* ?# M" l( Dset-plot-y-range 0.0 ymax
* W2 |" u9 q+ _end
8 }) @+ i, J3 z- B, z9 i0 _
- i7 r' a( V; \7 K: ?to setup-plot2
9 {/ Y7 t0 [( d( p1 @7 m! w0 q
9 f" }0 ~6 _) Kset-current-plot "Trends-of-global-reputation"6 S) u, y" @; Q6 P1 b
/ |; ?# z" F* d/ R1 @
set-plot-x-range 0 xmax- i3 ^0 o; y+ g" S# D* G; I! U' w
. A9 Y% u, X( `
set-plot-y-range 0.0 ymax
8 f' N% n( ]( T G8 i3 N& ?6 Fend
) {9 w, {; b) U4 M- q1 z* h8 c9 d: H6 x) Y8 s; Y$ J
to setup-plot3
1 q5 @5 h& x( s
8 _- N3 H1 V; {# O% G; sset-current-plot "Trends-of-credibility"& ?' k3 F m, a
5 A& V6 ?7 M; `3 u, @! Rset-plot-x-range 0 xmax) t# e' h+ _0 R$ g3 S @* R
9 N: ]/ a, K1 F. X) _* uset-plot-y-range 0.0 ymax$ r+ `% L4 e0 F" C1 @* Z
end
3 [# C" i' ]( S8 }' D) Y
* g. p# e- }, E3 M, |$ h( _ Eto do-plots% M2 {' X1 a: R* h( h
set-current-plot "Trends-of-Local-reputation"
3 g: y+ }" X8 m1 m5 Iset-current-plot-pen "Honest service"$ L0 f. T) e4 [8 j. }
end
) z& K+ k9 _. i" W; u3 `/ _1 L! b. P$ j
[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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