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PGLDB
2003
166views Database» more  PGLDB 2003»
15 years 6 months ago
ROSA: A Data Model and Query Language for e-Learning Objects
Learning Content Management Systems (LCMS) supports e-learning applications with storage and efficient access for e-learning objects (LO)s. ROSA is a LCMS built as a semantic laye...
Fabio Porto, Ana Maria de Carvalho Moura, Adriana ...
CMG
2000
15 years 6 months ago
Challenges in Scaling e-Business Sites
Daniel A. Menascé, Virgilio Almeida
WCE
2007
15 years 6 months ago
Simulation of IEEE 802.11e in the Context of Interoperability
— This work provides the specification of a MAC layer simulator that evaluates the service quality in WiFi, and presents initial results as a stand-alone simulator. The simulator...
Orlando Cabral, Alberto Segarra, Fernando J. Velez
WOTUG
2007
15 years 6 months ago
Concurrency Control and Recovery Management for Open e-Business Transactions
Concurrency control mechanisms such as turn-taking, locking, serialization, transactional locking mechanism, and operational transformation try to provide data consistency when con...
Amir R. Razavi, Sotiris Moschoyiannis, Paul J. Kra...