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» Indexing and Retrieval for Genomic Databases
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SIGMOD
2001
ACM
213views Database» more  SIGMOD 2001»
16 years 4 months ago
Bit-Sliced Index Arithmetic
The bit-sliced index (BSI) was originally defined in [ONQ97]. The current paper introduces the concept of BSI arithmetic. For any two BSI's X and Y on a table T, we show how ...
Denis Rinfret, Patrick E. O'Neil, Elizabeth J. O'N...
ICDE
2010
IEEE
178views Database» more  ICDE 2010»
15 years 2 months ago
The Hybrid-Layer Index: A synergic approach to answering top-k queries in arbitrary subspaces
In this paper, we propose the Hybrid-Layer Index (simply, the HL-index) that is designed to answer top-k queries efficiently when the queries are expressed on any arbitrary subset ...
Jun-Seok Heo, Junghoo Cho, Kyu-Young Whang
ICTAI
1999
IEEE
15 years 8 months ago
Spatial Color Histograms for Content-Based Image Retrieval
Color histogram is an important technique for color image database indexing and retrieving. In this paper, traditional color histogram is modified to capture spatial layout informa...
Aibing Rao, Rohini K. Srihari, Zhongfei Zhang
ICDE
2006
IEEE
177views Database» more  ICDE 2006»
16 years 5 months ago
Searching Substructures with Superimposed Distance
Efficient indexing techniques have been developed for the exact and approximate substructure search in large scale graph databases. Unfortunately, the retrieval problem of structu...
Xifeng Yan, Feida Zhu, Jiawei Han, Philip S. Yu
FQAS
2004
Springer
103views Database» more  FQAS 2004»
15 years 10 months ago
A Unifying Framework for Flexible Information Access in Taxonomy-Based Sources
A taxonomy-based source consists of a taxonomy and a database storing objects that are indexed in terms of the taxonomy. For this kind of sources, we describe a flexible interacti...
Yannis Tzitzikas, Carlo Meghini, Nicolas Spyratos