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IDEAS
2007
IEEE
148views Database» more  IDEAS 2007»
14 years 3 months ago
Boundedness of Regular Path Queries in Data Integration Systems
In this paper we study the problem of deciding whether a regular path query over views in data-integration systems can be re-expressed without recursion. The problem becomes chall...
Gösta Grahne, Alex Thomo
ERCIMDL
2007
Springer
113views Education» more  ERCIMDL 2007»
13 years 10 months ago
Providing Context-Sensitive Access to the Earth Observation Product Library
The German Remote Sensing Data Center (DFD) has developed a digital library for the long-term management of earth observation data products. This Product Library is a central part ...
Stephan Kiemle, Burkhard Freitag
IANDC
2010
132views more  IANDC 2010»
13 years 6 months ago
The expressive power of the shuffle product
There is an increasing interest in the shuffle product on formal languages, mainly because it is a standard tool for modeling process algebras. It still remains a mysterious opera...
Jean Berstel, Luc Boasson, Olivier Carton, Jean-Er...
SIPS
2006
IEEE
14 years 2 months ago
Partly Parallel Overlapped Sum-Product Decoder Architectures for Quasi-Cyclic LDPC Codes
Abstract— In this paper, we propose partly parallel architectures based on optimal overlapped sum-product (OSP) decoding. To ensure high throughput and hardware utilization effi...
Ning Chen, Yongmei Dai, Zhiyuan Yan
CGF
2008
127views more  CGF 2008»
13 years 8 months ago
G2 Tensor Product Splines over Extraordinary Vertices
We present a second order smooth filling of an n-valent Catmull-Clark spline ring with n biseptic patches. While an underdetermined biseptic solution to this problem has appeared ...
Charles T. Loop, Scott Schaefer