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

ER - Intl Conf on Conceptual Modeling

An EER-Based Conceptual Model and Query Language for Time-Series Data

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Temporal databases provide a complete history of all changes to a database and include the times when changes occurred....

Chrono: A Conceptual Design Framework for Temporal Entities

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Database applications are frequently faced with the necessity of representing time varying information and, particularly in the management of...

Designing Well-Structured Websites: Lessons to Be Learned from Database Schema Methodology

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In this paper we argue that many of the problems one may experience while visiting websites today may be...

The Temporal Set-Theory, Tropology and Their Application in Spatiotemporal Modelling

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In this paper we briefly introduce the basics of a proposed temporal set theory together with the associated tropology....

Formalizing the Informational Content of Database User Interfaces

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The work described in this paper addresses the problem of modelling the informational content of a graphical user interface...

TimeCube-Efficient Storage, Access and Analysis of Temporal (Historical) Data

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This paper introduces TimeCube-a technology product specifically designed for the analysis of master type data or dimensional data (such...

A Conceptual-Modeling Approach to Extracting Data from the Web

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Electronically available data on the Web is exploding at an ever increasing pace. Much of this data is unstructured,...

Proposal of Spatio-Temporal Indexing Methods for Moving Objects

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This paper deals with spatio-temporal indexing methods for moving objects. Spatio-temporal indexing method gives a basis for data management...

Information Coupling in Web Databases

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Web information coupling refers to an association of topically related web documents. This coupling is initiated explicitly by a...

Spatio-Temporal Data Management for Moving Objects Using the PMD-Tree

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A spatio-temporal data structure, called the PMD-tree (Persistent Multi-Dimensional tree), has been proposed for managing the lice intervals and...