By Stanislaw Kozielski, Dariusz Mrozek, Pawel Kasprowski, Bożena Malysiak-Mrozek, Daniel Kostrzewa
This e-book constitutes the refereed court cases of the tenth IEEE overseas convention past Databases, Architectures, and buildings, BDAS 2014, held in Ustron, Poland, in may perhaps 2014. This booklet comprises fifty six conscientiously revised chosen papers which are assigned to eleven thematic teams: question languages, transactions and question optimization; facts warehousing and massive facts; ontologies and semantic internet; computational intelligence and information mining; collective intelligence, scheduling, and parallel processing; bioinformatics and organic information research; photograph research and multimedia mining; safety of database platforms; spatial information research; purposes of database structures; internet and XML in database systems.
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Extra resources for Beyond Databases, Architectures, and Structures: 10th International Conference, BDAS 2014, Ustron, Poland, May 27-30, 2014. Proceedings
Add all but aggregated columns to the set M of metagranule dimensions. Granular Indices for HQL Analytic Queries 35 Table 1. Row counts in the tested database instances Table customer invoice invoiceline product product day aggr. Small DB Medium DB Big DB 360 000 600 000 1 200 000 59 995 970 199 948 701 601 628 100 629 949 439 2 099 416 306 6 316 455 713 12 000 24 000 36 000 29 404 062 59 387 618 88 920 000 4. Find all non-aggregated columns in the subtrees of GROUP, ORDER and HAVING add them to the set M .
Keywords: Colored Petri nets, distributed transactions, 2PC. 1 Introduction When designing a distributed system the designers need to take a lot of diﬃcult design decisions about the data distribution. To meet the system requirements system designers must face problems such as resource allocation, database schema decomposition, data replication and distributed transaction processing. A framework which assists the system designers in solving those problems is needed. Petri Net (PN)  is a powerful mathematical modeling language for the description of distributed systems.
X/Open DTP architecture model features following components: – Application Program (AP) - Application program deﬁnes transaction and its boundaries. Within transaction boundaries AP performs a sequence of operation that involves many resource managers such as databases. – Transaction Manager (TM) - manage global transactions , coordinates the decision to commit or rollback them. Many large commercial middleware can handle the role of transaction manager. Bitronix and LibreXA (LIXA) are worth mention open-source transaction managers.