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DEXA
2003
Springer
135views Database» more  DEXA 2003»
15 years 11 months ago
On the Optimality of Holistic Algorithms for Twig Queries
Streaming XML documents has many emerging applications. However, in this paper, we show that the restrictions imposed by data streaming are too restrictive for processing twig quer...
Byron Choi, Malika Mahoui, Derick Wood
LICS
1997
IEEE
15 years 10 months ago
The Complexity of Subtype Entailment for Simple Types
A subtyping 0 is entailed by a set of subtyping constraints C, written C j= 0, if every valuation (mapping of type variables to ground types) that satisfies C also satisfies 0. ...
Fritz Henglein, Jakob Rehof
SOFSEM
2012
Springer
14 years 1 months ago
Randomized Group Testing Both Query-Optimal and Minimal Adaptive
The classical group testing problem asks to determine at most d defective elements in a set of n elements, by queries to subsets that return Yes if the subset contains some defecti...
Peter Damaschke, Azam Sheikh Muhammad
ICC
2007
IEEE
16 years 11 days ago
Partial Decoding for Synchronous and Asynchronous Gaussian Multiple Relay Channels
— Relaying diversity is a key technology to increase capacity in wireless networks. In this paper, the capacity of a single source-destination wireless channel, aided by a set of...
Aitor del Coso, Christian Ibars
SENSYS
2003
ACM
15 years 11 months ago
On the effect of localization errors on geographic face routing in sensor networks
In the absence of location errors, geographic routing - using a combination of greedy forwarding and face routing - has been shown to work correctly and efficiently. The effects o...
Karim Seada, Ahmed Helmy, Ramesh Govindan