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AMAI
2007
Springer
14 years 12 months ago
Database querying under changing preferences
We present here a formal foundation for an iterative and incremental approach to constructing and evaluating preference queries. Our main focus is query modification: a query tran...
Jan Chomicki
118
Voted
CORR
2011
Springer
201views Education» more  CORR 2011»
14 years 3 months ago
An Achievable Rate Region for the Broadcast Channel with Feedback
A single-letter achievable rate region is proposed for the two-receiver discrete memoryless broadcast channel with noiseless or noisy feedback. The coding strategy involves block-...
Ramji Venkataramanan, S. Sandeep Pradhan
ISSEP
2005
Springer
90views Education» more  ISSEP 2005»
15 years 5 months ago
Preparatory Knowledge: Propaedeutic in Informatics
In the recent past a number of concepts have achieved prominence in the quest for basic principles of informatics with long-term validity. Particularly at schools providing an all-...
Susanne Loidl, Jörg R. Mühlbacher, Helmu...
MP
2008
92views more  MP 2008»
14 years 11 months ago
Invariance and efficiency of convex representations
We consider two notions for the representations of convex cones: G-representation and liftedG-representation. The former represents a convex cone as a slice of another; the latter...
Chek Beng Chua, Levent Tunçel
ICIC
2007
Springer
15 years 5 months ago
Analysis of Pi Series and Its Application to Image Encryption
Whether constant π (i.e., pi) is normal is a confusing problem without any strict theoretical demonstration except for some statistical proof. A new concept of pi series is introd...
Ting Chen, Feng Li