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

Publications

On Modelling Cooperative Retrieval Using an Ontology-Based Query Refinement Process

0
In this paper we present an approach for the interactive refinement of ontology-based queries. The approach is based on...

Data Integration with Preferences Among Sources

0
Data integration systems represent today a key technological infrastructure for managing the enormous amount of information even more and...

Load-Balancing Remote Spatial Join Queries in a Spatial GRID

0
The explosive growth of spatial data worldwide coupled with the emergence of GRID computing provides a strong motivation for...

Resolving Schematic Discrepancy in the Integration of Entity-Relationship Schemas

0
In schema integration, chematic discrepancies occur when data in one database correspond to metadata in another. We define this...

Expressing and Optimizing Similarity-Based Queries in SQL

0
Searching for similar objects (in terms of near and nearest neighbors) of a given query object from a large...

Managing Merged Data by Vague Functional Dependencies

0
In this paper, we propose a new similarity measure between vague sets and apply vague logic in a relational...

XSLTGen: A System for Automatically Generating XML Transformations via Semantic Mappings

0
XML is rapidly emerging as a dominant standard for representing and exchanging information. The ability to transform and present...

Merging of XML Documents

0
How to deal with the heterogeneous structures of XML documents, identify XML data instances, solve conflicts, and effectively merge...

Schema-Based Web Wrapping

0
An effective solution to automate information integration is represented by wrappers, i.e. programs which are designed for extracting relevant...

Web Taxonomy Integration Using Spectral Graph Transducer

0
We address the problem of integrating objects from a source taxonomy into a master taxonomy. This problem is not...