- !""#
- - PowerPoint PPT Presentation
- - PowerPoint PPT Presentation
- !"
- #$
- #$
%&&''& %&&'''(&
- #$
$)$*++,-.'*++/0
- 12''( -3
- !
)$*++,-.'*++/0
- $2''--3
- 42''""3
- 2''"-"-5"3
- 4
- #$
23
- !"
"""-" 2'').'*++/03
- #$
- F = 〈 U, T, D, A 〉; A ⊆ U × T × D
- UDt = 〈 U ∪ D, EUD 〉
EUD = { {u,d} | {u,t,d} ∈ A}
- !
- !
#$
)$6'*++70
8" 8"#
"
#$
- "
- "
- 9
"
$"
- )8":;*++,0
- %<= "
- %"""
"
#$
" > 2"""3
"
#$
?
@' !2 "- 3 *' ! A' $ " ,' - B'
#
- A
- -5
*
- ---C-
"---
- @
- $
%&
#
%&
- -9---
- A
- "-
*
- "-"-"-
(-"---
- @
- $
#
%"&
cambridge, letting, uk, photography, search, property, flats, cambsproperty, financial, fundraising / cambridge, mappingurbanism, visualisation, design, social, information, maps, mapping, infovis, toread B cambridge, english, cpe, cae, boston, online, fce, exam, inglés, esl , cambridge, boston, restaurants, food, massachusetts, imported, local, restaurant, venues, clubs A cambridge, bcc_school, activism, education, community, contact, bcc, politics, critical_economy, blog *
- @
- $
#
%"&
- ---9-
- 7
- '----
/
- ---"*'+--
- B
- ,
- -"----
"*'+--- A
- *
- --"-
@
- $
- D"- %
@' 2-3 *' 23 A' - 23
$
!
- C9
- "
- 2'')! '*++,03
- E"
- ?4
'
@' $' ' !!!!"" !#!-*++,' *' !''$6-8';8''#$ 'E$%&#' ('E.!*++7--F- *++7' A' ?'G%$"'E$ %&-B**CBA/-*++B' ,' ''H'8"';'"' $)'-/I%+*/@@A-*++,' B' $!-''H'8"!' "'$'-7+%+//@@@-*++,' /' J.-4K-66' "'E &&&*+, $-. &&&-,@7C,*/- 8"6-86-#$-*++/'$!?'