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IDEAS
2007
IEEE
148views Database» more  IDEAS 2007»
15 years 6 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»
15 years 1 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»
14 years 9 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
15 years 5 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»
14 years 12 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