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ICC
2007
IEEE
121views Communications» more  ICC 2007»
16 years 1 months ago
Structure and Optimality of Myopic Sensing for Opportunistic Spectrum Access
We consider opportunistic spectrum access for secondary users over multiple channels whose occupancy by primary users is modeled as discrete-time Markov processes. Due to hardware...
Qing Zhao, Bhaskar Krishnamachari
193
Voted
TAL
2010
Springer
15 years 1 months ago
A Formal Ontology for a Computational Approach of Time and Aspect
This paper provides a linguistic semantic analysis of time and aspect in natural languages. On the basis of topological concepts, notions are introduced like the basic aspectual op...
Aurelien Arena, Jean-Pierre Desclés
WEBDB
2004
Springer
170views Database» more  WEBDB 2004»
16 years 10 days ago
Content and Structure in Indexing and Ranking XML
Rooted in electronic publishing, XML is now widely used for modelling and storing structured text documents. Especially in the WWW, retrieval of XML documents is most useful in co...
Felix Weigel, Holger Meuss, Klaus U. Schulz, Fran&...
EPK
2006
107views Management» more  EPK 2006»
15 years 8 months ago
Towards EPC Semantics based on State and Context
: The semantics of the OR-join have been discussed for some time, in the context of EPCs, but also in the context of other business process modeling languages like YAWL. In this pa...
Jan Mendling, Wil M. P. van der Aalst
204
Voted
ICIP
2010
IEEE
15 years 5 months ago
On the use of feature tracks for dynamic concept detection in video
This paper proposes the use of feature tracks for the detection of concepts in video, particularly dynamic concepts. Feature tracks are defined as sets of local interest points fo...
Vasileios Mezaris, Anastasios Dimou, Ioannis Kompa...