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TWC
2010
13 years 2 months ago
Credit pre-reservation mechanism for UMTS prepaid service
Online Charging System (OCS) supports multiple prepaid and postpaid sessions simultaneously. Through credit reservation, the OCS assigns some credit units to a session. These credi...
Hsin-Yi Lee, Yi-Bing Lin
ICDE
2011
IEEE
220views Database» more  ICDE 2011»
12 years 11 months ago
Generating test data for killing SQL mutants: A constraint-based approach
—Complex SQL queries are widely used today, but it is rather difficult to check if a complex query has been written correctly. Formal verification based on comparing a specifi...
Shetal Shah, S. Sudarshan, Suhas Kajbaje, Sandeep ...
CIDR
2011
234views Algorithms» more  CIDR 2011»
12 years 11 months ago
SWissBox: An Architecture for Data Processing Appliances
Database appliances offer fully integrated hardware, storage, operating system, database, and related software in a single package. Database appliances have a relatively long hist...
Gustavo Alonso, Donald Kossmann, Timothy Roscoe
DLOG
2011
12 years 11 months ago
Quelo: an Ontology-Driven Query Interface
In this paper we present a formal framework and tool supporting the user in the task of formulating a precise query – which best captures their information needs – even in the ...
Enrico Franconi, Paolo Guagliardo, Marco Trevisan,...
PODC
2011
ACM
12 years 11 months ago
The complexity of robust atomic storage
We study the time-complexity of robust atomic read/write storage from fault-prone storage components in asynchronous message-passing systems. Robustness here means wait-free tolera...
Dan Dobre, Rachid Guerraoui, Matthias Majuntke, Ne...