2034 search results - page 27 / 407 » Substring Selectivity Estimation |
SIGMOD
2002
ACM
14 years 8 months ago
2002
ACM
With the increased abilities for automated data collection made possible by modern technology, the typical sizes of data collections have continued to grow in recent years. In suc...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— A least-squares (LS) channel estimation (CE) technique for mobile OFDM communications over a rapidly timevarying frequency-selective fading channel is investigated in t...
SAC
2008
ACM
13 years 8 months ago
2008
ACM
Modern applications requiring spatial network processing pose many interesting query optimization challenges. In many cases, query processing depends on the corresponding graph si...
ASPDAC
2000
ACM
14 years 24 days ago
2000
ACM
— Given the recent wave of innovation and diversification in digital signal processor (DSP) architecture, the need for quickly evaluating the true potential of considered archite...
VLDB
1997
ACM
14 years 17 days ago
1997
ACM
The result size of a query that involves multiple attributes from the same relation depends on these attributes’ joint data distribution,i.e., the frequencies of all combination...