By Grigoris Antoniou, Antonis Bikakis, Constantinos Papatheodorou (auth.), Barbara Catania, Mirjana Ivanović, Bernhard Thalheim (eds.)
This quantity includes the easiest papers provided on the 14th East-European C- ference on Advances in Databases and data structures (ADBIS 2010), held in the course of September 20-24, 2010, in Novi unhappy, Serbia. ADBIS 2010 persevered the ADBIS sequence held in St. Petersburg (1997), Poznan (1998), Maribor (1999), Prague (2000), Vilnius (2001), Bratislava (2002), Dresden (2003), Budapest (2004), Tallinn (2005), Thessaloniki (2006), Varna (2007), Pori (2008), and Riga (2009). the most goal of the ADBIS sequence of meetings is to supply a discussion board for the dissemination of analysis acc- plishments and to advertise interplay and collaboration among the database and knowledge structures study groups from principal and East ecu nations and the remainder of the area. The ADBIS meetings supply an inter- tional platform for the presentation of study on database thought, improvement of complex DBMS applied sciences, and their complex purposes. ADBIS 2010 spans a large zone of pursuits, overlaying all significant points relating to conception and purposes of database expertise and data platforms. di?erent submission traces have been thought of for ADBIS 2010, one in the vintage tune and one other one inside a different tune corporation. ADBIS comprised ?ve tracks: 1. Conceptual Modeling in structures Engineering (CMSE) 2. information Mining and knowledge Extraction (DMIE) three. enterprise techniques in E-Commerce platforms (e-commerce) four. own Identi?able details: privateness, Ethics, and protection (PIIPES) 5.
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Additional info for Advances in Databases and Information Systems: 14th East European Conference, ADBIS 2010, Novi Sad, Serbia, September 20-24, 2010. Proceedings
Remarkably, the preference constructors that operate on attributes take the presence of hierarchies into account. , on group-by sets, which comes down to expressing preferences on schema rather than on instances. – Preferences can be freely composed using the Pareto and prioritization operators, thus forming an algebra that can easily be incorporated into a multidimensional query language like MDX . We close this section by showing how the two preference query suggested above can be formulated in myOLAP.
In particular, as an object is selected at a given node it is included in the reference population for that node using an Initialize operation, it persists in the reference population as a Remove operation is invoked (it can be seen as an Initialize operation on the tuples exiting the node being monitored). We recall that a RFID tagged object is scanned multiple times at a given node N so when the reader no more detects the RFID tag no reading is generated. First time an object is read a V alidate trigger ﬁres and send the information to the M aster that eventually updates the ItemM ovement table.
When an epc has been validated it is added to the reference population for that node (PN ) then it stays at the node and is continuously scanned. It may happen that during its stay at a given node an epc could not be read due to temporary electro magnetic ﬁeld problem, we should distinguish this malfunction from the “normal” behavior that arise when an item is moved for shipping or (in case of destination nodes) because it has been sold. To deal with this feature we provide 40 F. Angiulli and E.