In this paper, we present a locking-based concurrency control scheme for object-oriented databases (OODBs). Our scheme revises the implicit locking so that incurs less locking overhead than implicit locking for any ty...
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Fragmentation of customer data across internal product based systems is preventing a meaningful customer dialog across channels. This problem is compounded further by the addition of new Internet and customer-facing a...
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Travelling is a part of human beings day-to-day life. The huge and complicated road network in a country makes it difficult to find a shortest (best) route for travelling from one place to another. Many shorts route f...
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The European Pressurized Water Reactor Project (EPR) is based on an innovative design concept for a new type of pressurized water reactor. The development of this concept will be carried out by a consortium of interna...
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The importance of materialized views has grown significantly with the advent of data warehousing and OLAP technology. This increases the relevance of solutions to the problem of incrementally maintaining materialized ...
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object database management systems (ODBMS) are now established as the database management technology of choice for a range of challenging data intensive applications. Furthermore, the applications associated with obje...
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We are developing a distributed objectoriented spatial database prototype. We are extending the GIDB prototype (developed at NRL for using and querying OVPF databases) to support distribution. GIDB is a Geographical ...
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Within organisations, Information Systems are characterised by heterogeneity. The main management tools are different Relational and objectoriented DataBase Management Systems. Therefore, variety, complexity and lack...
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Most objectoriented concurrency control is dedicated to increase method execution concurrency, however they do not consider the inter-object behavior. In this paper we present mechanisms to deal with the communicatio...
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This paper addresses reusability maximization by investigating the proper location of a derived class in the class hierarchy. We categorize derived classes into four groups, depending on whether their superclasses and...
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