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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, o1 u9 w* ^globals[4 Z6 X% N$ X. Q1 ?) i
xmax
" o! \; u* k" V1 lymax. X1 F8 o$ A: S' ^% ^5 P8 J, B( R3 N% i
global-reputation-list3 O9 C/ ^+ }$ f: Q# X" z# o, u
- ^! y0 g7 q' I4 [$ ?$ L2 r4 ?& d
;;每一个turtle的全局声誉都存在此LIST中
- D% @/ ~$ g0 {( |- }credibility-list
: ~# }/ A5 V' j9 i* N;;每一个turtle的评价可信度
! m8 ^/ M0 t+ X7 w8 t8 o3 b: Hhonest-service
7 ~7 V8 L! }8 G4 u, i/ B) Dunhonest-service
9 ~- _# C: i: f! \" i. uoscillation1 ^% v: H% |2 D/ c: ?) U+ J
rand-dynamic
# X* |$ i' T1 S1 ^; z3 v7 F$ T R]/ I. x* {4 j1 E
- N4 f# l* M/ Y: bturtles-own[3 n( t, y. z {1 i
trade-record-all
9 C! ~' h7 H y3 m, {4 d;;a list of lists,由trade-record-one组成/ K& t! ]" X+ x6 l, h3 }3 k/ E
trade-record-one
2 n2 v0 f/ N# y R. P, R- X;;list,trade-record-all 中的一个list,作为暂存用,记录两个turtles的交易记录
0 g5 ~6 [7 w* [+ ^' y2 v- ]) n& h! K7 J5 e/ {
;;[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]]$ Q, X0 a+ Z; d T* }: E
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]
" A* ]8 H4 J/ [$ z3 ~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
0 \: H5 C( q: S3 a$ T; ]* aneighbor-total4 Y% i/ w0 f- _4 a# i3 }
;;记录该turtle的邻居节点的数目
1 y1 m4 J: ]6 [) L, `; [5 ]5 ]trade-time: ?5 b9 G$ `* u" b; _
;;当前发生交易的turtle的交易时间6 ^7 }* [5 v; V/ r% q, N8 {0 q
appraise-give, q! s' k+ e. P. X
;;当前发生交易时给出的评价
# m& v1 g8 p- j/ F/ A' rappraise-receive
% u, i! F, J2 g;;当前发生交易时收到的评价: c6 x; O/ l; N1 \" l
appraise-time) O( t* L3 R- A0 w. S$ x+ G8 Q
;;当前发生交易时的评价时间3 }. m6 M4 \& n; H* g# A4 X
local-reputation-now;;此次交易后相对于对方turtle的局部声誉
9 S8 U) F( E- Rtrade-times-total
( `4 R6 ?) e# R N: Y1 [;;与当前turtle的交易总次数
/ q. T6 S: w8 z1 ?& X; B8 btrade-money-total+ S& K& n1 N: ?$ ^2 J3 v: q
;;与当前turtle的交易总金额; P3 c" j7 v6 E) r; S
local-reputation8 t# V! [5 x# B& ^9 w) d
global-reputation
/ Z/ u% T6 v& j6 K3 q# G/ C' Rcredibility
' T2 `' I6 b0 Y4 y;;评价可信度,每次交易后都需要更新
) [# x3 ]2 _) [) Ocredibility-all
% Q5 C `/ |, J;;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5 c7 ]: l5 r" _, H( V2 i! Q4 S1 p
( o5 X2 g& N* s5 t# E, K3 \
;;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+ R/ J0 y" J2 r1 @/ _* T% K
credibility-one" F9 s0 k+ H6 A% a+ g+ t' B
;;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
2 X; {+ `7 W6 t3 wglobal-proportion6 Y4 k- a: T7 J( H H- H& D4 S0 z
customer+ t1 G/ l, n& o- @8 M v7 A+ }, ~
customer-no
, ~* `% ^( U6 M2 S! Q; p& `trust-ok7 d% J3 o N* \" A
trade-record-one-len;;trade-record-one的长度
$ e# A* R2 D' E( E N4 ]]
8 c' `3 R. g3 \/ H4 _. N0 K0 \6 d! p' `0 y. r8 n/ q( j2 P
;;setup procedure/ F7 g1 N- P, O
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to setup! S2 X. H" j! s0 j# x* `2 \
, x, _: J9 P4 ica
- a5 e0 |6 O9 y. |+ g5 y
) t5 m! n2 t$ Q3 Y5 tinitialize-settings- {* X: e/ v- H3 }9 n- N/ n
F9 d |! f7 }! C' p& E N
crt people [setup-turtles]* J' S4 R! }6 d3 V6 A
, E# v2 g1 j* \7 F3 v) h
reset-timer
u; c7 V, Q \6 S5 w3 o# R# J" s
poll-class% {# _2 s0 Z3 R9 C; @
; j0 |; X N8 }+ _6 i p' \+ b
setup-plots# x6 h' o; K; S' I# ?
6 O$ d; H J# d* Z/ [, A7 O2 X, M
do-plots3 {$ F# {* ~+ z+ i/ d" o# Z/ i) b& W* e
end
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to initialize-settings) q# M. D, A1 N- z% {5 O8 P* F: C6 I+ B
9 l' n* W4 l, h' A! D4 N" ?set global-reputation-list []
/ P8 q4 a( [0 ] x9 \7 o5 f
9 h3 s+ F$ K; L" ^/ d5 P1 N, F5 }set credibility-list n-values people [0.5]
% A! Q- c, A5 n+ {& |
8 M2 e; _9 V1 m3 ? k3 I$ N' Rset honest-service 0
" u2 M, F2 r4 t! e/ W c+ `
# B* O7 X9 T3 r- v- Wset unhonest-service 0* e# D9 Z" ?% |; B. c4 G
' m( r6 k( W9 E. Hset oscillation 02 ^3 f7 S1 [" ]$ a. m! i. n" P# C
) I5 b& a- E4 G" u+ _set rand-dynamic 0" X* H0 M1 v- _, n0 j+ Y% [; O. E
end
8 o5 h! L( |! M" Q! i. |
4 B5 ]0 D* o' r; T/ d/ [to setup-turtles " i7 O9 T6 n8 Q# [! q4 K
set shape "person"
& r5 Q/ l1 ^* [9 V/ k/ Isetxy random-xcor random-ycor
9 `8 f" k9 V! R" r/ hset trade-record-one []
* F, ?) t2 _+ Q# l' U V5 t( v: L( l; Q: n8 B4 t+ [
set trade-record-all n-values people [(list (? + 1) 0 0)] 5 R) n, M9 a) }6 g! t! e5 ~# x
}$ J, g# i) B6 f
set trade-record-current []: U X5 w; t. a8 w6 Y4 i
set credibility-receive []( ], [6 c* c. m! E" @: k- h; m5 C
set local-reputation 0.5
9 q- @! b s7 z9 X; v# h" ], f* v8 Tset neighbor-total 0( u" \ ]9 B0 g) n: {
set trade-times-total 0
$ L! c. o0 y4 Tset trade-money-total 0
& {- H+ C( j& B% ?set customer nobody
# c' r4 f4 Z4 Z: Wset credibility-all n-values people [creat-credibility]! C- f( k. a( t& Z2 E8 x
set credibility n-values people [-1]: t' w7 ?3 W2 W+ s0 Y3 Y
get-color
# H3 f' _7 A8 \/ O
( C, a2 ]7 ?4 p. S8 C# s8 Bend
4 A Z" \8 r$ f+ [: T9 K1 l P- t& ]* { x9 ~5 ^+ o) X
to-report creat-credibility
+ K% [- B; u1 P) N6 u+ E/ q" [report n-values people [0.5]6 U2 ` h4 B. C& E
end- Y0 f5 X ~# r3 V
1 H* H7 v; w- B- ^
to setup-plots6 c& k/ O" U: J' @( @
0 d; \2 y/ u, B3 s: hset xmax 304 t+ A: ?9 L) l2 d5 ^) s
4 @% u. ]; \" _0 Gset ymax 1.0
( }: r1 `* F5 K( W
0 p% D( M( e+ q* @( Y$ Lclear-all-plots2 A8 k$ j8 `6 \/ ]# p
. x$ m) c: u3 F* C) `, U/ O: Asetup-plot1
7 K* \4 m! J6 v$ |( Y. }( {0 H1 M% x+ w
setup-plot2 d# ] ?/ ] Z! r- x
4 l( j+ u8 k1 qsetup-plot3
# K& D, T% A& bend
) T( I \1 F& C X# a6 l+ o3 l+ j2 A7 O; a2 ~
;;run time procedures6 W9 Y% }: E& k0 d3 M1 Q- ~+ n
+ ~( d; v! Y+ u$ e( l2 _& A
to go
/ {9 R: r( w) E8 B- k
D2 F, w% R! u F0 l# xask turtles [do-business]
5 M- R& F6 K( E( d* a2 x+ ?end
, A c7 v/ S3 b6 p) s7 [9 b6 `& w1 {* e7 J7 W
to do-business
" ?; p+ M2 Y0 Z! W( h$ r, u5 \- O0 p; J
, [- {* o7 E7 _rt random 360
* X. ?+ ~; i. }) T; o0 {: Z
% o4 o5 ~+ ^) e" ffd 1: }9 E, b, b3 J; F% X
/ Q- J4 o! d* M0 x: fifelse(other turtles-here != nobody)[
" m8 g, l1 w" u) f; ?' W7 [, e
" ]9 r0 ?( n R. U' g/ Aset customer one-of other turtles-here- {. \. i* `7 {9 X- C, Y3 k
9 ^: L$ q) R& M& _7 ?7 d% @;; set [customer] of customer myself9 f+ m( W; u+ v& `7 z3 d
" x6 d6 `$ ?# n9 |set [trade-record-one] of self item (([who] of customer) - 1)
* D, F1 \. A6 c/ G0 E4 u/ n[trade-record-all]of self% a/ m! s9 X3 A5 g+ E/ J; b; R1 {
;;filter [item 0 (? ) = [who] of customer] [trade-record-all] of self- [! ^3 {: g" R) C( [
/ ?$ ^- h, c% g: g% O+ b
set [trade-record-one] of customer item (([who] of self) - 1)0 g4 h" d! m0 Q% B; T6 z
[trade-record-all]of customer
% e- C, @/ H: k8 I% T0 D3 V6 _6 ~3 X$ O
set [trade-record-one-len] of self length [trade-record-one] of self
2 i( w$ c$ J# G& W! O5 Y2 Q g: R: r/ S1 ?) ~2 Z! f; ?" a( z
set trade-record-current( list (timer) (random money-upper-limit)) n F b( W2 V6 H, e( Z2 c/ M
' g8 |, ?1 I- }( i
ask self [do-trust]
1 D( ~& x/ g e' ?: g$ S7 |;;先求i对j的信任度
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8 Y% M5 o4 O: E0 Y8 q) Qif ([trust-ok] of self)
/ o% Y; {, }5 e x! d;;根据i对j的信任度来决定是否与j进行交易[" g/ F0 x6 T: m) T& A+ N
ask customer [do-trust] if ([trust-ok] of customer);;这里可能会用到myself
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[/ O7 Q d: m) ~1 H) S0 S3 ^7 M
| J. |& i" s4 R' Q% L
do-trade
1 v/ u6 ~0 n6 B, l" C& j
. Q( J0 b! T4 F1 k& z1 k7 gupdate-credibility-ijl
$ r9 Q3 R$ |$ F& L% ?. r
! Y# O; K1 V: h$ x ]update-credibility-list
7 o3 T* ]6 q5 H* F4 m* a6 F! w
1 H& U2 P3 D; k9 ?5 ?, l# Y( Q& m Y6 Z$ i& x7 ]& v
update-global-reputation-list
g# o) r& W$ H) [7 X. {- }' h, `) t. k
poll-class5 ?4 f! [. s! [3 \% ~( Q
: v. T: R/ h+ M& j0 [
get-color8 ]2 ~# H, w6 c7 B0 N7 ?/ X
* m$ F) a5 R8 X' j. }0 f]]/ l2 s I' l$ c" `% k
8 |! ]" B$ _) E, w6 Z;;如果所得的信任度满足条件,则进行交易/ Q `# I% A! L3 p; }
0 I5 p- M( |- j* z7 Z, w t[9 r0 L! _+ \6 o; ^! H6 z) x
2 w P& D- o V$ Z; Ert random 360
6 E) }4 ~* e3 K. y6 k0 ^8 u) f4 V# z" I* o3 V/ D& k9 @ H
fd 1
7 A: ^( f7 E; E2 ~* `' r5 y/ x: C/ n1 r, N0 k' U2 P. c" W
]
" ~, e# _+ ]; h+ }% ~/ L: O& U z; E* X) O) G# U9 e2 {% ?- p
end
2 _) z# D8 H$ J$ d! ~* ~3 e z( U0 B1 ~4 I, [
to do-trust & u& `5 L3 G' @6 D( ?! L- ?; s4 a4 R
set trust-ok False
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let max-trade-times 0
' s% m& b8 P( U H% |8 g# Zforeach [trade-record-all] of customer [if item 1 (?) > max-trade-times [set max-trade-times item 1 (?)]]
; ^$ S- ?( ]3 Z# \9 [. Hlet max-trade-money 0
( a9 c0 R1 _, ^' b6 ~foreach [trade-record-all] of customer [if item 2 (?) > max-trade-times [set max-trade-times item 2 (?)]] O# q( n4 B# o2 ^5 B* h& q
let local-proportion sqrt((item 1 [trade-record-one] of myself * item 2 [trade-record-one] of myself) /( max-trade-times * max-trade-money))
* [8 S1 Y) w6 z; D) x* }, }, K
: s2 F0 F5 W1 G" q
0 P" [- \1 A4 @5 u1 ^get-global-proportion
. Q/ d* q& Z, [! I O* `" w' blet trust-value1 _% G& [8 C. \: F2 k
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 n" ~4 r( A" v, I- U# s6 @if(trust-value > trade-trust-value)) G5 }) V& I2 K S' y' y1 ~
[set trust-ok true]) f/ t0 C, J6 a& h9 t4 s1 v
end* @' R+ F) |; x- l
! v* R0 L: S6 q8 z; ?
to get-global-proportion! n& Y/ R$ [! J# \* s
ifelse([neighbor-total]of customer = 1) and (trade-record-one-len > 3)5 ^" w; _$ w; d3 ]: W
[set global-proportion 0]+ y h' E) D" U: d% l7 w
[let i 0
! a* q. o, H% q% R3 i; Nlet sum-money 01 p; _, Q, y' ^, p( q
while[ i < people]& l1 L" f+ @2 E' o& U8 T( R
[
0 s# w/ } `/ C. fif( length (item i7 S3 t; k4 h. p& |$ |: V K3 w5 d ?
[trade-record-all] of customer) > 3 )
7 H# R. K$ p ^2 A) }9 ^[+ C2 I$ u/ B8 p2 k) M" _
set sum-money (sum-money + item 2(item i [trade-record-all] of myself))& [: I( k. B4 y" o" a( f8 b
]
% r) B9 g% z: g' U]
+ B$ ^. b" }6 f; }. jlet j 0" h% }5 T) Y4 @$ g2 B. P5 W
let note 0
! l" w' U% e. Uwhile[ j < people]
* w) d3 }. Y1 Z8 `3 ]" h6 f[
; l, ~. v6 Z8 G9 b$ S. C% Z2 Z: ?. N+ @if( length (item i
9 p0 J" K* E2 S# f) e[trade-record-all] of customer) > 3 )
+ t# o5 Y) N5 `* v4 [% S[
; B$ m7 D5 O* Q' o' ?+ gifelse(item ([who]of myself - 1) [credibility] of turtle j != -1)
1 s3 d- X% `4 k* Z9 y3 i[set note (note + (item ([who]of myself - 1) [credibility] of turtle j )* item 2(item i [trade-record-all] of myself)/ sum-money)]( K* Q* c e+ ?2 _" a, _1 r: v
[set note (note + (item (j - 1) credibility-list) * item 2(item i [trade-record-all] of myself)/ sum-money)]# q& n7 O6 G" T" }1 @+ ?$ Q
]
9 g% h, B' E% s]7 b' y! u: m" |/ O3 s e
set global-proportion note5 n) n: f1 x7 Y( ]
]
# o& Y% d4 J4 t7 N6 S' d) _end
- q4 K& {0 o' {" A; F5 x4 y0 Y' M
E# C+ M1 ?' W! s' i1 V# h6 }) Rto do-trade1 O% a" |; q) U% C- n+ t0 _ l
;;这个过程实际上是给双方作出评价的过程7 S7 _8 V1 Z9 T v, Q: @2 Y- i
set trade-record-current lput( random-float 1) trade-record-current ;;本turtle 得到的评价
7 `" e9 `" Q5 l9 zset trade-record-current lput( random-float 1) trade-record-current ;;本turtle 给出的评价8 H2 S. X9 B) M4 d9 h1 B8 z
set trade-record-current lput(timer) trade-record-current
2 n7 t; U' ]3 e; r0 V# g- l;;评价时间
1 m; l1 D7 V r! aask myself [
D7 g5 p, p! @" G. Wupdate-local-reputation, {2 L2 A7 R' W% m% v
set trade-record-current lput([local-reputation] of myself) trade-record-current
& ^- k0 }4 a1 g6 p8 I]& n) g H8 T1 @! @" ]# d
set [trade-record-one] of myself lput(trade-record-current) [trade-record-one] of myself
; P0 {% ?* e# k. I" D;;将此次交易的记录加入到trade-record-one中
w7 L% Q5 a! p8 m% \5 |! Cset [trade-record-all] of myself (replace-item ([who] of customer - 1 ) [trade-record-all] of myself [trade-record-one]of myself)
) Y& D S7 P4 e& [let note (item 2 trade-record-current )
' |# A5 V1 y2 s5 f5 q: \set trade-record-current
% T0 {/ ]; g* m4 I5 t6 V9 V(replace-item 2 trade-record-current (item 3 trade-record-current))
1 z0 x1 v" o" V9 Vset trade-record-current
5 P% |9 f8 t- b L, d; [# i(replace-item 3 trade-record-current note)
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: E& p3 a9 E1 p/ h
) p" ~5 |0 |4 ^1 iask customer [
- o# n7 `1 o3 `4 k6 w' k. ]update-local-reputation
# l+ v% n+ P' }! W1 X. n2 i2 wset trade-record-current* G* n9 `; X, e8 A d/ N1 f
(replace-item 4 trade-record-current ([[local-reputation] of myself]of customer)) - e. T; A' `$ g- ?# T% T
]
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set [trade-record-one] of customer lput(trade-record-current) [trade-record-one] of customer
* d- t8 T0 @& I' G0 \0 `. ?0 p! [9 q2 H9 Z6 x/ x
set [trade-record-all] of customer (replace-item ([who] of myself - 1) ([trade-record-all] of customer)([trade-record-one] of customer))
g! z8 v: F- Q( H6 j;;将此次交易的记录加入到customer的trade-record-all中% ?; ]: c( k' v, y8 c6 c' y
end
" t: j' L! _5 K( L) U1 x
3 J1 O$ k8 x5 Rto update-local-reputation8 _; K& {3 Q/ r9 Z! r8 d9 g
set [trade-record-one-len] of myself length [trade-record-one] of myself
- @" g7 z W' \
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;;if [trade-record-one-len] of myself > 3
; M( E# N. ?+ H$ W3 supdate-neighbor-total0 R* V+ l6 o! o/ c% E
;;更新邻居节点的数目,在此进行- ~4 ]% k& c2 c0 k$ n8 B
let i 3
6 T6 K! n0 q1 `: @( t* |2 Plet sum-time 0& {: y) J: I, c* O- r! x5 R
while[i < [trade-record-one-len] of myself]1 Y: N. N4 ^9 K7 M8 B, C
[8 y2 K" N2 n4 D+ d3 \
set sum-time ( sum-time + item 0(item i [trade-record-one] of myself) )# o0 A; E# ?- s1 |% {7 M
set i
$ K& h) `' q3 |* b! ?( i + 1)
8 e8 ?/ e, n$ x! b# ?7 B. Q6 J, E]
k, n3 R6 O" P# {; v2 f4 J3 w8 Alet j 3
+ r' h$ K. p W) vlet sum-money 0
7 o: r5 \ Q( H, [1 H) v7 Mwhile[j < [trade-record-one-len] of myself]
- h# i$ V9 \. o5 T# o. Z[4 U* w" V6 }7 M4 a1 b0 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): H& g8 s$ O( B$ Z& l
set j
7 w' Y$ |; y7 S- M$ W G( j + 1)" ~9 Q1 ~6 E7 |- ]
]9 O4 t% T1 c2 R8 ]: J y
let k 3
, ]; s8 q" _/ _ U$ _# [* ] O- [, u; Jlet power 0( v7 N4 K4 M3 {; O
let local 0$ T2 w+ | Y8 v% A/ x) r1 Q" c8 p
while [k <[trade-record-one-len] of myself]
v1 G) w2 i% k! K3 A0 [[
1 w C" L, F) _: k6 |" }3 Z3 n, gset 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) i9 q! w8 ?) Z5 b; @
set k (k + 1)2 d7 h9 {. w8 P+ C# p5 P8 `
]
; M$ L6 ^9 p8 K+ \7 C; `! jset [local-reputation] of myself (local)7 N0 c6 V, H, A/ ~# y
end2 _0 o& o& E' O
0 k3 u+ I2 C8 U2 \; Q0 e; [
to update-neighbor-total% s6 I" E, J& z1 H
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if([trade-record-one-len] of myself = 3) [set neighbor-total (neighbor-total + 1) ]* p& D0 w( O+ l/ S
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! C8 m( K. [- F7 e# G# D. Kend
) Z+ z! s# i7 m9 q* o( K" h4 I u6 z( a, y: i k
to update-credibility-ijl 4 X3 J' G7 W% c' \7 t
0 f( v( w6 b! S7 ]: p! Z2 F
;;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。2 V" g( c! D+ `4 l! p J
let l 0
2 R* c8 G+ R4 }: g( xwhile[ l < people ]
# v& Q( ]; w( c! W8 T4 v: S;;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
1 v5 Y9 E6 G# N[
- X! G2 c" T) u4 Q- ~" y- l p) Olet trade-record-one-j-l-len length item l ([trade-record-all] of customer); g9 \* T1 Y, X
if (trade-record-one-j-l-len > 3)
& a- \( m% H) I- M! }[let trade-record-one-j-l item l ([trade-record-all] of customer);;暂存那个评价质量正在被评价的turtle j的与l的trade-record-one
( k3 P$ y. w: |! R, H- Ylet i 3
! q. O+ d5 [/ nlet sum-time 0
9 w: g& D; u E. [, s1 v0 F/ H6 I& Z; Kwhile[i < trade-record-one-len]
, |* S* e6 k; Y# F[1 f) m7 m' V, v9 K# F
set sum-time ( sum-time + item 4(item i [trade-record-one] of myself) )
; L1 K! a5 B; x5 Q( V; e3 U. Hset i+ k7 A: T. ^. _' ?" H
( i + 1)
, `2 W7 Z" U* J) I8 I2 S1 h% }% w]0 Q, S2 L9 c! ~
let credibility-i-j-l 0! U; h* H; E# U
;;i评价(j对jl的评价)
& A5 a! L: h3 P1 U( blet j 3
' Y& ]: L2 l9 {: V' Y1 x8 Flet k 4+ g( S3 Z% {, c3 x- T# F
while[j < trade-record-one-len]
# \6 W$ O7 U; \) u- U9 ?1 C: W[# x: v. R# `! e
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
# p u( f' |" N9 e# y, Cset 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)
0 N6 C S; L# h" X/ n- g7 gset j) C1 o6 p; r$ [2 p5 j+ T
( j + 1)$ U/ X) ~8 }: V% Q3 {( E
]
4 s0 X+ p. B _! \. S: ?# Tset [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 )). w3 |" V- R! F
/ I* q0 F- D- P7 h- X: d
5 ~5 i, Q q6 a9 `8 {" Rlet note ((sum (item ([who] of myself - 1)([credibility-all] of turtle l)) - 1 ) / (people - 2))- F" D# J `, G+ D8 J
;;及时更新i对l的评价质量的评价
1 B3 D1 F* n3 H, x, hset [credibility] of turtle l (replace-item ([who] of myself - 1)[credibility] of turtle l note) ]
( j3 m4 w4 j6 H( q/ w- N( Kset l (l + 1)
+ R) s: f# W) []9 W# m$ X" ~' y3 o, l
end
4 N% m" e, c; `/ Y3 Z% \
5 e N. |$ q% w- t! k2 Z+ M4 Yto update-credibility-list2 e8 P T O$ \2 R! h* F7 D
let i 0
8 p6 ~& j7 x1 o& F. ywhile[i < people]
4 d; t1 p X4 h1 p0 g/ m2 [* `) w! X[
7 ~* K F- C" _) z, r" K7 ~: m+ O% mlet j 0
4 W. X( T# A j% p$ g$ h. P* h) L# Alet note 0
9 I$ x* ^& D" l+ j3 l' ulet k 0; f% x! V0 m9 s% _$ L9 {
;;计作出过评价的邻居节点的数目' p( E1 i3 G4 a" Q$ y5 w5 J
while[j < people]
3 i2 W7 j$ s. l. W% T( U[/ {& S5 w' u; F# V2 ]3 x* K
if (item j( [credibility] of turtle (i + 1)) != -1)
, F: r( c$ V( T5 r6 W;;判断是否给本turtle的评价质量做出过评价的节点8 m8 m1 |" s+ o$ W
[set note (note + item j ([credibility]of turtle (i + 1)))
% Q% ~& O/ p8 Z8 E; _8 z3 B/ M;;*(exp (-(people - 2)))/(people - 2))]
! Y( y5 ]+ V+ F8 Lset k (k + 1)6 @$ R' Y2 B, P, D% H; X6 v
]$ {; Y+ Y- `4 z1 L- Y
set j (j + 1)
0 a2 K$ {, b" u5 _8 Q) Y7 x]+ Q" F& Z2 {$ F, T r: F
set note (note *(exp (- (1 / k)))/ k)
2 n. e% {6 e: r0 ^' s) d- b Z$ bset credibility-list (replace-item i credibility-list note)
+ g$ A7 B& S- z% K/ }set i (i + 1)
: J! Z6 A& S/ p. a]
! Z% A( b/ b2 pend
( _" l5 F. k; c# F
9 z/ _: C0 g) s+ dto update-global-reputation-list$ [( R: b* T9 j; |: l. q
let j 0
4 b$ @7 g' {" z* jwhile[j < people]
2 R+ C% M& d5 ^) F3 U0 s, B/ r[
5 d0 ^* ]6 w, a9 K" Elet new 0! u. ~' [; J- Y* `% y% s" v
;;暂存新的一个全局声誉
& s) t/ q% F9 g6 m8 v) f8 H' rlet i 0
) A R! ]0 i. `let sum-money 0
I- s. [$ q2 C7 x+ Slet credibility-money 0$ W" K' V% x/ Y5 @+ T- i9 y
while [i < people]# l! v+ @/ F$ P; D- d8 v
[" M) h2 @! k* G. x r6 E
set sum-money (sum-money + item 2(item i [trade-record-all] of turtle (j + 1)))6 F9 g l7 |# a4 q& V
set credibility-money (credibility-money + (item 2(item i[trade-record-all] of turtle (j + 1))) * (item j credibility-list))& U# M% F8 W. z9 _: Z* x! C6 o+ F1 p+ S
set i (i + 1)
# ]. G: K U s( R, L; S W]( D1 d6 ~& K% h8 {. `- c
let k 05 h( V& G- q+ D. n1 g* F8 o8 L
let new1 0
% s1 F* r6 C- d. o" b1 dwhile [k < people]
J0 G9 h* k0 V3 h; W+ e+ h2 q( [' j# Q; ^[/ p: B' ~+ p1 ]0 n0 X# 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)
! v: P% F6 u* V( L$ w, Gset k (k + 1)
/ Q9 Y$ F6 y5 Y2 X]
# ?6 {7 Q( y3 m0 gset new ((exp( -(1 /(sum-money * [neighbor-total] of turtle (j + 1))))) * new1) & N& U+ g( O- _
set global-reputation-list (replace-item j global-reputation-list new)
1 H4 C8 f! p0 }! E0 r3 Gset j (j + 1)
4 i2 c5 _6 \" T8 z/ y]% N! {" F6 k& [) ^
end* A2 A F+ d% g' i: ]5 N2 B! e. G
3 Y z0 ~ a4 l
* H7 R# d2 o# s k
5 P2 q5 p0 y5 [. S* dto get-color
: c0 W2 q% y5 D5 O! a
2 h5 ?! z7 \$ Tset color blue. b: ?) F. J) T; E$ z
end3 @" d+ V+ \8 E! E# q
$ f6 V' j6 o; e. L; D
to poll-class
2 o6 u% r0 U0 f+ D( [/ F8 N0 R' Oend4 `, d( q. O% T5 S, ]
+ ]/ c0 N H; Oto setup-plot1
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set-current-plot "Trends-of-Local-reputation"
1 j H9 l4 O% V+ X( r3 I2 X, K1 O
set-plot-x-range 0 xmax
4 B& ~# Z2 N, l( K5 U& t4 [7 c( d; g
set-plot-y-range 0.0 ymax% Q! |9 x: v$ q; q/ |8 @. h
end9 g) g. K- j3 f1 L2 c# Q7 d4 F3 O
; q+ x0 x; ~- {. E8 `
to setup-plot24 D6 b7 ]) c5 B0 h# a6 N; }' w9 k
0 v& n' H+ ^. a3 X1 X& @5 k) m
set-current-plot "Trends-of-global-reputation"
1 ^- ]8 B+ E, F% E: ]5 }1 ]: p& Y8 |: s9 ]
set-plot-x-range 0 xmax T2 x% G/ D7 J( J6 X5 c: O2 U' F, D
3 `; r! v9 Y. @
set-plot-y-range 0.0 ymax
0 F, L' }$ Z% x8 b0 Yend
5 }/ J; p8 F( q# e7 I% T+ ` t# b, d9 v# H& N
to setup-plot36 Z3 h7 V+ q) I
4 C/ _0 D, g" w
set-current-plot "Trends-of-credibility"
6 L% E4 f/ ~ N. ?/ I) m" O0 v+ n. {7 L
set-plot-x-range 0 xmax z3 T, i. q' n2 R9 m3 E. a
( H+ `8 l W6 V! B# ?7 k8 `1 @set-plot-y-range 0.0 ymax
/ L& q' L$ S1 D6 J3 s' }end
( ?" t5 Y) ~+ `
. K, Q5 @5 S/ P# T0 E& Xto do-plots3 N& X, ^+ u! X6 S# P
set-current-plot "Trends-of-Local-reputation"
2 i; m6 q5 |9 V( O8 ?9 Xset-current-plot-pen "Honest service"0 @9 T \+ P; l/ {9 j n7 Y
end% N/ }* I* P% ^5 k
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[ 本帖最后由 Taliesin 于 2008-3-19 12:45 编辑 ] |
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