Results 51 to 60 of about 467 (94)
Building an Integrated Active OODBMS: Requirements, Architecture, and Design Decisions
, 1995 Active OODBMSs must provide efficient support for event detection, composition and rule execution. Previous experience of building active capabilities on top of existing closed OODBMSs has proven to be ineffective.
Wells, D. L. +3 more
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Locking in OODBMS Clients Supporting Nested Transactions
Proceedings of the Eleventh International Conference on Data Engineering, 2000Nested transactions facilitate the control of complex persistent applications by enabling both fine-tuning of the scope of rollback and safe intra-transaction parallelism. We are concerned with supporting concurrent nested transactions on client workstations of an OODBMS.
Laurent Daynès +2 more
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Visibility Issues in an active OODBMS
1996We discuss the design and implementation of an active object-oriented database built upon Gemstone, and an associated debugger. We concentrate upon the issue of visibility of ‘wrapping’ code, explaining why it is desirable for users of our system to be able to access and debug the code in both its ‘raw’ form and with the wrapping code hidden.
Ian S. Thomas, Andrew C. Jones
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The scalability of an object descriptor architecture OODBMS
Proceedings. IDEAS'99. International Database Engineering and Applications Symposium (Cat. No.PR00265), 2003An object database management system (OODBMS) has been often criticized for its alleged insufficient scalability for a large-scale production system. We investigated the scalability issue on a commercial OODBMS with a focus on the scalability with respect to the number of objects.
Kwok K. Yu +2 more
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An introduction to schema versioning in OODBMS
Proceedings of 7th International Conference and Workshop on Database and Expert Systems Applications: DEXA 96, 2002Object oriented database management systems (OODBMS) have enormous advantages in comparison to relational systems in modeling highly complex and dynamic application scenarios. Still they lack some flexibility which could help their promotion into widely spread industrial use.
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Distributing CORBA views from an OODBMS
Proceedings International Database Engineering and Applications Symposium, 2003The need to distribute objects on the Internet and to offer views from databases has found a solution with the advent of CORBA. Most database management systems now offer CORBA interfaces which are generally simple mapping of the database schema to the CORBA world.
Eric Viara +2 more
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Incremental inheritance model for an OODBMS
1997The semantics of inheritance presented in this paper is based on the incremental modification mechanism that is formalized by the generator associated with class, modification function, and the building inheritance operators. The model is based upon an intuitive explanation of the proper use and purpose of inheritance, and is essentially dedicated to ...
Mohammed Benattou, Lotfi Lakhal
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Multiobjects to Ease Schema Evolution in an OODBMS
1998The multiobject mechanism is a pertinent way to implement specialization in an object database and differs from the classical mechanism used in most object-oriented database systems. It supports multiple instantiation, automatic classification and object migration. Consequently it is well suited to take into account schema evolution.
Lina Al-Jadir, Michel Léonard
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The design of an extensible multimedia library for an OODBMS
Proceedings of 7th International Conference and Workshop on Database and Expert Systems Applications: DEXA 96, 2002Most database management systems deal with "binary large objects" (BLOBs). However, multimedia data types are being introduced to deal explicitly with still pictures, cartographic images and more recently video and audio. Nevertheless, limiting oneself to introducing these new data types is not a sufficient condition for easy modelling of multimedia ...
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Comparative analysis of RDBMS and OODBMS: a case study
Digest of Papers Compcon Spring '90. Thirty-Fifth IEEE Computer Society International Conference on Intellectual Leverage, 2002The underlying hypothesis of the case study described is that the development, implementation, operations, and maintenance of large, complex, data-intensive applications, such as computer-integrated manufacturing, can be simplified through the use of object-oriented database management systems (DBMSs).
Mohammad A. Ketabchi +3 more
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