170 search results - page 25 / 34 » Approximate Range Selection Queries in Peer-to-Peer Systems |
CLEF
2009
Springer
13 years 6 months ago
2009
Springer
The ImageCLEF Photo Retrieval Task 2009 focused on image retrieval and diversity. A new collection was utilised in this task consisting of approximately half a million images with...
W2GIS
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. A review is provided of some database and representation issues involved in the implementation of geographic information systems (GIS). The increasing popularity of web-b...
DEXAW
2007
IEEE
13 years 10 months ago
2007
IEEE
Due to the lack of efficient native XML database management systems, XML data manipulation and query evaluation may be resource-consuming, and represent a bottleneck for several ...
IMC
2005
ACM
14 years 2 months ago
2005
ACM
Sketch is a sublinear space data structure that allows one to approximately reconstruct the value associated with any given key in an input data stream. It is the basis for answer...
TSP
2010
13 years 3 months ago
2010
We propose an adaptive technique to design the spectrum of an orthogonal frequency division multiplexing (OFDM) waveform to improve the radar's wideband ambiguity function (WA...