Object-oriented based databases of molecular interactions
Clustering Objects in Object Oriented Databases Based on Vector Space
... Each of clustering ways can optimize a query, but can't op- timize other queries. For example, clustering of all objects fol- lowing part-of relationship into the same block may cause ob- jects from the same class could ...
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Part 7: Object Oriented Databases
... • An n-ary relationship with degree n > 2 can be mapped into a separated class, with appropriate references to each participating classes. • These references are based on the mapping a 1:N relationship from ...
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Object-Based Databases
... a. A computer-aided design system for a manufacturer of airplanes: An OODB system would be suitable for this. That is because CAD requires complex data types, and being computation oriented, CAD tools are ...
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A Gentle Introduction to Relational and Object Oriented Databases
... To overcome the asymmetry problem, network databases (mid ‘60s) came into being. These were mainly pointer-based structures. Querying and traversal was a low-level procedural affair. Relational systems were ...
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Transparent Indexing in Distributed Object-Oriented Databases
... Much work has been dedicated in the OODBMSs research to cope with improving the efficiency of processing nested predicates, i.e. based on derived attributes defined using path expressions. These works additionally ...
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Faster Object Retrieval with Dynamic Clustering Technique in Object Oriented Databases
... to Object Oriented Database Management System (OODBMS), the latter continue to play an important role in the management of data, especially for complex ...
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Querying Object-Oriented Databases Based on Signature Graph and n-ary Tree
... It’s based on a signature graph and n-ary tree helping to query related information when there is no correct ...created based on signature file, created for a layer and signature files are arranged as a ...
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An object-oriented wrapper to relational databases with query optimisation
... building object-oriented views over relational databases and querying these databases with object-oriented query languages (basing of the Pegasus experience and the mediator ...
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Query Optimization in Object Oriented Databases Based on SD-Tree and n-ary Tree
... Direct query on objects in object-oriented databases costs a large space for data storage during query process and a long time to execute query on real databases. To improve this problem, we ...
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Migrating relational databases into object-based and XML databases
... Contemporary Databases This chapter provides an illustrative background to the main concepts of relational, object-based and XML data models, in order to get a better understanding of this ...
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Faunus: An object oriented framework for molecular simulation
... We provide a class library and as such need to describe both what the classes do as well as how to use them. This can be conveniently achieved using a code documenta- tion system – here we have chosen Doxygen[13] since ...
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The Viewpoint Mechanism for Object-oriented Databases Modelling, Distribution and Evolution
... is based on the federation following the LAEV process to integrate multiple autonomous viewpoint databases that show multiple descrip- tions of the same ...are based on a unified common object ...
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OBJECT-ORIENTED & OBJECT- RELATIONAL DATABASES CS561-SPRING 2012 WPI, MOHAMED ELTABAKH
... Common Object Model, and the model has been supplemented with bindings for C++, Smalltalk, and Java as well as Object Definition Language (ODL, based on OMG's IDL), the aforementioned OQL, ...
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CS352 Lecture - Object-Based Databases
... “Object-Oriented Databases”, while the 5th edition combines this with the Object-relational approach to produce a single chapter on “Object- Based ...
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WHITE PAPER A COMPARISON BETWEEN RELATIONAL AND OBJECT ORIENTED DATABASES FOR OBJECT ORIENTED APPLICATION DEVELOPMENT JONATHAN ROBIE DIRK BARTELS
... the object model are fundamentally different, and integrating the two is not ...are based on two-dimensional tables in which each item appears as a ...The object model is based on the tight ...
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An Alternative approach to Temporary Memory Management in Databases using Object Oriented Systems
... Research Scholar, Dept of CSE CMJ University Shillong (Meghalaya) [email protected] Abstract: Regardless of the supremacy of relational database management systems (RDBMS) in the databases, ...
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Object-Oriented Databases
... n Specifying the object types Employee, date, and Department using type constructors.. 32[r] ...
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Object Oriented Geographic Databases
... • popisné údaje, ktoré popisujú skúmané geografické objekty. Geometrické údaje môžeme chápať ako grafickú bázu. Teda súhrn všetkých grafických informácií uložených v geografi[r] ...
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Fundamental Concepts of Object Oriented Databases
... Let Vc be the type G(C) computed by Algorithm 15 with respect to trivial uniqueness constraints and let Ic be the type F(C) computed by Algorithm 15 with respect to arbitrary uniquenes[r] ...
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Object-Oriented Databases Course Review
... May 27, 2015 Alexandre de Spindler – Department of Computer Science – [email protected] 3... Course Summary.[r] ...
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