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APWEB
2006
Springer
14 years 15 days ago
Efficient Dynamic Traffic Navigation with Hierarchical Aggregation Tree
Nowadays, the rapid advances in wireless communications, positioning techniques and mobile devices enable location based service such as dynamic traffic navigation. Yet, it is a ch...
Yun Bai, Yanyan Guo, Xiaofeng Meng, Tao Wan, Karin...
MICCAI
2003
Springer
14 years 9 months ago
A Statistically Based Surface Evolution Method for Medical Image Segmentation: Presentation and Validation
Abstract. In this paper we present a new algorithm for 3D medical image segmentation. The algorithm is fast, relatively simple to implement, and semi-automatic. It is based on mini...
Eric Pichon, Allen Tannenbaum, Ron Kikinis
CAISE
2003
Springer
14 years 2 months ago
Information Dissemination based on Semantic Relations
In a selective information dissemination (SDI) system, users submit profiles consisting of a number of long-standing queries to represent their information needs. The system then c...
Irini-Electra Katzagiannaki, Dimitris Plexousakis
IDEAS
2007
IEEE
135views Database» more  IDEAS 2007»
14 years 3 months ago
Bitmap Index Design Choices and Their Performance Implications
Historically, bitmap indexing has provided an important database capability to accelerate queries. However, only a few database systems have implemented these indexes because of t...
Elizabeth J. O'Neil, Patrick E. O'Neil, Kesheng Wu
CIKM
2010
Springer
13 years 6 months ago
Probabilistic ranking for relational databases based on correlations
This paper proposes a ranking method to exploit statistical correlations among pairs of attribute values in relational databases. For a given query, the correlations of the query ...
Jaehui Park, Sang-goo Lee