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» A Data Transformation System for Biological Data Sources
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SIGMOD
2008
ACM
159views Database» more  SIGMOD 2008»
16 years 4 months ago
Bootstrapping pay-as-you-go data integration systems
Data integration systems offer a uniform interface to a set of data sources. Despite recent progress, setting up and maintaining a data integration application still requires sign...
Anish Das Sarma, Xin Dong, Alon Y. Halevy
KES
2008
Springer
15 years 4 months ago
A Secure Mediator for Integrating Multiple Level Access Control Policies
Abstract. We present a method for mapping security levels among the components of a distributed system where data in the local sources are represented in XML. Distributed data is i...
Isabel F. Cruz, Rigel Gjomemo, Mirko Orsini
VLDB
2005
ACM
103views Database» more  VLDB 2005»
15 years 9 months ago
Mapping Maintenance for Data Integration Systems
To answer user queries, a data integration system employs a set of semantic mappings between the mediated schema and the schemas of data sources. In dynamic environments sources o...
Robert McCann, Bedoor K. AlShebli, Quoc Le, Hoa Ng...
ICMCS
2000
IEEE
141views Multimedia» more  ICMCS 2000»
15 years 8 months ago
Content-Based Indexing and Retrieval of Audio Data using Wavelets
This paper proposes a content-based audio information retrieval and indexing technique based on wavelet transform. The presented approach uses multiresolution decomposition proper...
Guohui Li, Ashfaq A. Khokhar
PKDD
2007
Springer
87views Data Mining» more  PKDD 2007»
15 years 10 months ago
Visual Exploration of Genomic Data
Abstract. In this study, we present methods for comparative visualization of DNA sequences in two dimensions. First, we illustrate a transformation of gene sequences into numerical...
Michail Vlachos, Bahar Taneri, Eamonn J. Keogh, Ph...