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CORR
2011
Springer
13 years 3 months ago
2011
Springer
We propose a factor-graph-based approach to joint channel-estimationand-decoding of bit-interleaved coded orthogonal frequency division multiplexing (BICM-OFDM). In contrast to ex...
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
A "plan diagram" is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. We have shown recently tha...
NGITS
1999
Springer
14 years 6 days ago
1999
Springer
As the requirements for system analysis and design become more complex, the need for a natural, yet formal way of specifying system analysis findings and design decisions are becom...
SIGMOD
2012
ACM
11 years 10 months ago
2012
ACM
While extensive work has been done on evaluating queries over tuple-independent probabilistic databases, query evaluation over correlated data has received much less attention eve...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...