planning - designing - developing IT
Special Interest Group on Systems Analysis and Design

ER - Intl Conf on Conceptual Modeling

Supporting Collaborative Work by Process-Based Transaction Model

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Collaborative work presupposes information exchange among participants. In contrast, traditional transaction technologies allow concurrent users to operate on shared...

Rumor: Mobile Data Access Through Optimistic Peer-to-Peer Replication

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Rumor is an optimistically replicated file system designed for use in mobile computers. Rumor uses a peer model that...

A Cooperative Distributed Text Database Management Method Unifying Search and Compression Based on the...

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A new text database management method for distributed cooperative environments is proposed, which can collect texts in distributed sites...

A Copy Update Mechanism for a Mobile Information Announcement System

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In this paper, the bandwidth problem between a mobile computer and an access point is discussed, and a copy...

Constructing Structured Document Views

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We propose a database language to manipulate XML documents. The language is designed to meet the requirements for constructing...

Toward Optimal Replication for Hierarchical Location Management in Wireless Systems

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The location information of users can be replicated at various databases in a hierarchy to improve the efficiency of...

Temporal Objects for Spatio-Temporal Data Models and a Comparison of Their Representations

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We present anew approach to temporal data modeling based on the very general notion of temporal object. Moreover, we...

Distributed Control of Mobile ATM Networks Using CORBA

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This paper reports the design, implementation, and performance evaluation of a CORBA based distributed control architecture for mobile ATM...

New Thoughts on Effects of TCP Slow Start and FEC Coding in WATM Access...

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This paper takes a fresh look at coding parameters optimisation, TCP operation and adaptive modulation in the context of...

A Centralised Cellular Database to Support Network Management Process

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A solution for cellular network data management is described which has been applied to the mobile network of Telecom...