Journal of Database Management articles from October 2004

Journal of Database Management archives from October 2004

Preface.
October 1, 2004... Mobile and wireless services are new and emergent areas of research. There are many new and unresolved issues in the area. For example, research is needed in the areas of mobile database, network, architecture, security, privacy, trust, and...

Application of mobile agents in mobile data access systems: a prototype.(Abstract)
October 1, 2004... ABSTRACT Creating a global information-sharing environment in the presence of autonomy and heterogeneity of data sources is a difficult task. When adding mobility and wireless medium to this mix, the constraints on bandwidth, connectivity,...

Mobile agent based self-adaptive join for wide-area distributed query processing.
October 1, 2004... ABSTRACT In this article, optimization of decision support queries is considered in the context of wide-area ndistributed databases. An original approach based on the "mobile agent" paradigm is proposed and evaluated. Agents' autonomy and...

Ex ante evaluations of alternate data structures for end user queries: theory and experimental test.
October 1, 2004... ABSTRACT The data structure of an information system can significantly impact the ability of end users to efficiently and effectively retrieve the information they need. This research develops a methodology for evaluating, ex ante, the...

Semantic heterogeneity in multidatabase systems: a review and a proposed meta-data structure.
October 1, 2004... ABSTRACT This article reviews current research on the issue of semantic conflict resolution in multidatabase system design. It is observed that in multidatabase systems, semantic conflicts need to be resolved at both schema level and...

Clustering schema elements for semantic integration of heterogeneous data sources.(Research Note)
October 1, 2004... ABSTRACT Interschema relationship identification (IRI), that is, determining the relationships among schema elements in heterogeneous data sources, is an important step in integrating the data sources. This article proposes a cluster...