Sciweavers

12597 search results - page 311 / 2520
» Complexity of Mechanism Design
Sort
View
ICC
2007
IEEE
137views Communications» more  ICC 2007»
16 years 1 months ago
Optimality and Complexity of Opportunistic Spectrum Access: A Truncated Markov Decision Process Formulation
— We consider opportunistic spectrum access (OSA) which allows secondary users to identify and exploit instantaneous spectrum opportunities resulting from the bursty traffic of ...
Dejan V. Djonin, Qing Zhao, Vikram Krishnamurthy
ACL
2004
15 years 8 months ago
Splitting Complex Temporal Questions for Question Answering Systems
This paper presents a multi-layered Question Answering (Q.A.) architecture suitable for enhancing current Q.A. capabilities with the possibility of processing complex questions. T...
Estela Saquete, Patricio Martínez-Barco, Ra...
ADMA
2006
Springer
127views Data Mining» more  ADMA 2006»
16 years 22 days ago
Feature Selection for Complex Patterns
Feature selection is an important data preprocessing step in data mining and pattern recognition. Many algorithms have been proposed in the past for simple patterns that can be cha...
Peter Schenkel, Wanqing Li, Wanquan Liu
VLDB
1989
ACM
114views Database» more  VLDB 1989»
15 years 10 months ago
Extending the Relational Algebra to Capture Complex Objects
An important direction in database research for non-standard applications (e.g. engineering or design applications) deals with adequate support for complex objects. Without doubt,...
Bernhard Mitschang
CORR
2010
Springer
77views Education» more  CORR 2010»
15 years 5 months ago
Reduced ML-Decoding Complexity, Full-Rate STBCs for $2^a$ Transmit Antenna Systems
— For an nt transmit, nr receive antenna system (nt × nr system), a full-rate space time block code (STBC) transmits nmin = min(nt, nr) complex symbols per channel use and in ge...
K. Pavan Srinath, B. Sundar Rajan