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CIKM
2008
Springer
13 years 10 months ago
Book search: indexing the valuable parts
With massive book digitization efforts underway, there is a need for developing effective book retrieval strategies. This paper explores the relative contribution of different par...
Walid Magdy, Kareem Darwish
SIGMOD
2002
ACM
124views Database» more  SIGMOD 2002»
14 years 9 months ago
Quadtree and R-tree indexes in oracle spatial: a comparison using GIS data
Spatial indexing has been one of the active focus areas in recent database research. Several variants of Quadtree and R-tree indexes have been proposed in database literature. In ...
Kothuri Venkata Ravi Kanth, Siva Ravada, Daniel Ab...
CIKM
2009
Springer
14 years 3 months ago
Inverted indexes vs. bitmap indexes in decision support systems
Bitmap indexes are widely used in Decision Support Systems (DSSs) to improve query performance. In this paper, we evaluate the use of compressed inverted indexes with adapted quer...
Truls A. Bjørklund, Nils Grimsmo, Johannes ...
VLDB
2002
ACM
184views Database» more  VLDB 2002»
14 years 9 months ago
Database indexing for large DNA and protein sequence collections
Our aim is to develop new database technologies for the approximate matching of unstructured string data using indexes. We explore the potential of the suffix tree data structure i...
Ela Hunt, Malcolm P. Atkinson, Robert W. Irving
ICMCS
2005
IEEE
90views Multimedia» more  ICMCS 2005»
14 years 2 months ago
An Indexing System for Photos Based on Shooting Position and Orientation with Geographic Database
With the spread of digital cameras, shooting photos has been becoming an everyday affair. However, there are few methods or systems to manage photos simply, and a huge amount of ...
Kiyoko Iwasaki, Kazumasa Yamazawa, Naokazu Yokoya