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CBMS
2002
IEEE
15 years 11 months ago
CyclopsDistMedDB. - A Transparent Gateway for Distributed Medical Data Access in DICOM Format
The image diagnosis area is the most propense medical field to Telemedicine, because it does not obligate a direct contact of the patient with the responsible radiologist during t...
Leonardo Ribeiro, Paulo Roberto Dellani, Aldo von ...
200
Voted
ICDM
2002
IEEE
156views Data Mining» more  ICDM 2002»
15 years 11 months ago
On Computing Condensed Frequent Pattern Bases
Frequent pattern mining has been studied extensively. However, the effectiveness and efficiency of this mining is often limited, since the number of frequent patterns generated i...
Jian Pei, Guozhu Dong, Wei Zou, Jiawei Han
SSDBM
2002
IEEE
128views Database» more  SSDBM 2002»
15 years 11 months ago
Compressing Bitmap Indexes for Faster Search Operations
In this paper, we study the effects of compression on bitmap indexes. The main operations on the bitmaps during query processing are bitwise logical operations such as AND, OR, N...
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
177
Voted
ICDT
2010
ACM
149views Database» more  ICDT 2010»
15 years 11 months ago
Mapping Polymorphism
We examine schema mappings from a type-theoretic perspective and aim to facilitate and formalize the reuse of mappings. Starting with the mapping language of Clio, we present a ty...
Ryan Wisnesky, Mauricio Hernandez, Lucian Popa
SACMAT
2010
ACM
15 years 11 months ago
An access control model for mobile physical objects
Access to distributed databases containing tuples collected about mobile physical objects requires information about the objects’ trajectories. Existing access control models ca...
Florian Kerschbaum