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

ER - Intl Conf on Conceptual Modeling

Approximate Probabilistic Query Answering over Inconsistent Databases

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The problem of managing and querying inconsistent databases has been deeply investigated in the last few years. Most of...

Conjunctive Query Containment under Access Limitations

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Access limitations may occur when querying data sources over the web or heterogeneous data sources presented as relational tables:...

Automatic Extraction of Structurally Coherent Mini-Taxonomies

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Today, ontologies are being used to model a domain of knowledge in semantic web. OWL is considered to be...

A Multi-level Methodology for Developing UML Sequence Diagrams

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Although the importance of UML Sequence Diagrams is well recognized by the object-oriented community, they remain a very difficult...

Analysis and Reuse of Plots Using Similarity and Analogy

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A plot is a partially ordered set of events. Plot analysis is a relevant source of knowledge about the...

Content Ontology Design Patterns as Practical Building Blocks for Web Ontologies

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In this paper we present how to extract and describe emerging content ontology design patterns, and how to compose,...

Discovering Semantically Similar Associations (SeSA) for Complex Mappings between Conceptual Models

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There is an increasing demand for discovering meaningful relationships, i.e., mappings, between conceptual models for interoperability. Current solutions have...

Quality Patterns for Conceptual Modelling

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Patterns have generated a large interest during last years. In software engineering, a pattern is a reusable solution based...

An Adverbial Approach for the Formal Specification of Topological Constraints Involving Regions with Broad...

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Topological integrity constraints control the topological properties of spatial objects and the validity of their topological relationships in spatial...

Automating the Extraction of Rights and Obligations for Regulatory Compliance

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Government regulations are increasingly affecting the security, privacy and governance of information systems in the United States, Europe and...