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WEBDB
2007
Springer
159views Database» more  WEBDB 2007»
16 years 25 days ago
A clustering-based sampling approach for refreshing search engine's database
Due to resource constraints, search engines usually have difficulties keeping the local database completely synchronized with the Web. To detect as many changes as possible, the ...
Qingzhao Tan, Ziming Zhuang, Prasenjit Mitra, C. L...
GLOBECOM
2006
IEEE
16 years 23 days ago
A Distributed Opportunistic Access Scheme for OFDMA Systems
Abstract— In this paper, we propose a distributed opportunistic access scheme for uplink OFDMA systems. The sub-carriers are grouped into several sub-channels. Users access these...
Dandan Wang, Hlaing Minn, Naofal Al-Dhahir
PRDC
2006
IEEE
16 years 22 days ago
Detecting and Exploiting Symmetry in Discrete-state Markov Models
Dependable systems are usually designed with multiple instances of components or logical processes, and often possess symmetries that may be exploited in model-based evaluation. T...
W. Douglas Obal II, Michael G. McQuinn, William H....
ASPDAC
2006
ACM
98views Hardware» more  ASPDAC 2006»
16 years 21 days ago
Timing-driven placement based on monotone cell ordering constraints
− In this paper, we present a new timing-driven placement algorithm, which attempts to minimize zigzags and crisscrosses on the timing-critical paths of a circuit. We observed th...
Chanseok Hwang, Massoud Pedram
ITICSE
2006
ACM
16 years 21 days ago
Foundational actions: teaching software engineering when time is tight
Often Software Engineering courses approach educating undergraduates in good processes and practices by using a simulated product development environment, following all of the ste...
Jerry Boetje