By Timos K. Sellis, Alkis Simitsis (auth.), Yannis Ioannidis, Boris Novikov, Boris Rachev (eds.)
The sequence of East ecu meetings on Advances in Databases and data structures (ADBIS) is a longtime and prestigious discussion board for the alternate of the newest examine leads to information administration. It offers specific possibilities for database researchers, practitioners, builders, and clients from East ecu international locations to discover new principles, recommendations, and instruments, and to interchange reviews with colleagues from the remainder of the area. This quantity comprises the court cases of the eleventh ADBIS convention, held in Varna, Bulgaria, September 29 – October three, 2007. The convention integrated three keynote talks, 36 examine papers in thirteen classes, and a pair of tutorials. Twenty-tree of the study papers in addition to papers or prolonged abstracts for the keynote talks are incorporated the following; the rest papers look in neighborhood lawsuits. special individuals of the database and information-retrieval groups introduced the 3 keynotes. Timos Sellis, knowledgeable within the quarter of multidimensional indexing and information warehousing, analyzed the full lifecycle of ETL workflows, from specification to optimized execution, supplying strategies in addition to destiny demanding situations. Gerhard Weikum, a pace-setter of numerous efforts falling on the intersection of databases and knowledge retrieval, mentioned the emergence of numerous “Webs” and the way those can be harvested and hunted for wisdom. eventually, Paolo Atzeni, recognized for numerous contributions to database thought, addressed the perennial challenge of schema and information translation within the context of rising version administration platforms and defined a number of study demanding situations that emerge.
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Additional info for Advances in Databases and Information Systems: 11th East European Conference, ADBIS 2007, Varna, Bulgaria, September 29-October 3, 2007. Proceedings
2 The head of the rule above has one functor: #aggregationOID 1 which generates the OID 2 A brief comment on notation: functors are denoted by the # sign, include the name of the construct whose OIDs they generate (here often abbreviated for convenience), and have a suﬃx that distinguishes the various functors associated with a construct. Schema and Data Translation: A Personal Perspective SM InstOfAbstract OID dOID AbsOID 1001 1 101 1002 1 101 ... ... 1005 1 102 1006 1 102 23 SM InstOfAttributeOfAbstract OID dOID AttOID i-AbsOID Value 2001 1 201 1001 134 2002 1 202 1001 Smith 2003 1 201 1002 201 ...
These messages are described in the Message class. Each message corresponds to a message type and has a sender, a receiver, a content, and eventually input or output parameters along with their associated conditions (preconditions or post-conditions). These parameters are described in the Parameter class. To illustrate the meta-model concepts, let us take the example of the Contract Net Protocol (CNP) type : − CNP involves at least two actors: a single manager and one or several contractors.
Modelgen: Model independent schema translation. In: ICDE, Tokyo, pp. 1111–1112. IEEE Computer Society Press, Los Alamitos (2005) 6. : A multilevel dictionary for model man´ agement. , Pastor, O. ) ER 2005. LNCS, vol. 3716, pp. 160–175. Springer, Heidelberg (2005) 26 P. Atzeni 7. : Model-independent schema and data translation. In: EDBT, pp. 368–385 (2006) 8. : Midst: model independent schema and data translation. In: Sigmod, pp. 1134–1136 (2007) 9. : M(dm): An open framework for interoperation of multimodel multidatabase systems.