By Keng Siau
Complex subject matters in Database examine is a chain of books at the fields of database, software program engineering, and structures research and layout. They characteristic the newest learn rules and issues on find out how to increase present database structures, increase info garage, refine current database versions, and boost complex purposes. complex issues in Database study, quantity five is part of this sequence. complicated subject matters in Database learn, quantity five offers the most recent study principles and themes on database structures and functions, and gives insights into vital advancements within the box of database and database administration. This ebook describes the services and contours of recent applied sciences and methodologies, and provides cutting-edge examine principles, with an emphasis on theoretical concerns relating to databases and database administration.
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Extra info for Advanced Topics in Database Research, Vol. 5
Hussmann, & S. ), Proceedings of UML 2002 — Unified Modeling Language: Model Engineering, Concepts, and Tools (pp. 398411). Berlin: Springer-Verlag. Brodsky, S. (1999). XMI opens application interchange. pdf Damm, C. , Hansen, K. , & Tyrsted, M. (2000). Tool integration: Experiences and issues in using XMI and component technology. In Proceedings of 33rd International Conference on Technology of Object-Oriented Languages and Systems TOOLS 33 (pp. 94-107). Los Alamitos, CA: IEEE Computer Society.
Lecture Notes in Computer Science 1939 (pp. 265-277). Berlin: Springer-Verlag. , & Astesiano, E. (2001). Towards a rigorous semantics of UML supporting its multiview approach. In Proceedings of Fundamental Approaches to Software Engineering (FASE 2001) (LNCS 2029, pp. 171-186). Berlin: SpringerVerlag. , & Butler, M. (2002). Tool-supported use of UML for constructing B specifications. Technical report, Department of Electronics and Computer Science, University of Southampton, UK. , & Jezequel, J-M.
Step 5. spec PERSON&MEETING = PARTICIPATES then ops numMeeting: Participates x Person -> Nat numConfirmedMeeting: Participates x Person -> Nat isConfirmed: Participates x Meeting -> Boolean numConfirmedParticipants: Participates x Meeting -> Nat checkDate: Participates x Meeting -> Participates select: Participates x Set[Meeting] -> Set[Meeting] collect: Participates x Set[Person] -> Bag[Meeting] pred forall: Participates x Set[Meeting] x Meeting ∀s : Set[Meeting]; m:Meeting; pa:Participates; p:Person; m:Meeting; sp:Set[Person]; bm: Bag[Meeting] forall (pa, including(s,m),m1) = isConsistent(pa, m,m1) and forall(pa, s, m1) select( pa, create-Meeting) = create-Meeting select ( pa, including (s, m)) = including(select(pa,s), m) when isConfirmed (pa, m) else select (pa,s) collect (pa, create-Person,s) = asBag (create-Person) collect (pa, including (sp, p) ) = asBag (including (collect (pa,sp), p)) numMeeting( pa, p) = size (getMeetings(pa, p)) isConfirmed (pa, m) = checkDate (pa,m) and NumConfirmedParticipants (pa,m) > = 2 numConfirmedMeeting (pa, p) = size (select (getMeetings (pa,p)) checkDate (pa, m) = forall (pa, collect (pa, getParticipants(pa,m), m) isConsistent (pa, m, m1) = not (isConfirmed (pa,m1)) or (end(m) < start (m1) or end (m1) < start(m)) numParticipantsConfirmed (pa, m) = size( getParticipants (pa, m)) end Copyright © 2006, Idea Group Inc.
Advanced Topics in Database Research, Vol. 5 by Keng Siau