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» Algorithms for Querying by Spatial Structure
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VMV
2001
132views Visualization» more  VMV 2001»
15 years 5 months ago
Optimal Memory Constrained Isosurface Extraction
Efficient isosurface extraction from large volume data sets requires special algorithms and data structures. Such algorithms typically either use a hierarchical spatial subdivisio...
Dietmar Saupe, Jürgen Toelke
EDBT
2004
ACM
142views Database» more  EDBT 2004»
15 years 9 months ago
Computing and Handling Cardinal Direction Information
Qualitative spatial reasoning forms an important part of the commonsense reasoning required for building intelligent Geographical Information Systems (GIS). Previous research has c...
Spiros Skiadopoulos, Christos Giannoukos, Panos Va...
SIGMOD
2009
ACM
250views Database» more  SIGMOD 2009»
16 years 4 months ago
Query processing techniques for solid state drives
Solid state drives perform random reads more than 100x faster than traditional magnetic hard disks, while offering comparable sequential read and write bandwidth. Because of their...
Dimitris Tsirogiannis, Stavros Harizopoulos, Mehul...
GIS
2007
ACM
16 years 5 months ago
TS2-tree - an efficient similarity based organization for trajectory data
The increasingly popular GPS technology and the growing amount of trajectory data it generates create the need for developing applications that efficiently store and query traject...
Petko Bakalov, Eamonn J. Keogh, Vassilis J. Tsotra...
CIKM
2007
Springer
15 years 10 months ago
A knowledge-based search engine powered by wikipedia
This paper describes Koru, a new search interface that offers effective domain-independent knowledge-based information retrieval. Koru exhibits an understanding of the topics of b...
David N. Milne, Ian H. Witten, David M. Nichols