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SIGMOD
2009
ACM
190views Database» more  SIGMOD 2009»
16 years 6 months ago
Optimizing complex extraction programs over evolving text data
Most information extraction (IE) approaches have considered only static text corpora, over which we apply IE only once. Many real-world text corpora however are dynamic. They evol...
Fei Chen 0002, Byron J. Gao, AnHai Doan, Jun Yang ...
ICALP
2010
Springer
15 years 11 months ago
Testing Non-uniform k-Wise Independent Distributions over Product Spaces
A discrete distribution D over Σ1 × · · · × Σn is called (non-uniform) k-wise independent if for any set of k indexes {i1, . . . , ik} and for any z1 ∈ Σi1 , . . . , zk ...
Ronitt Rubinfeld, Ning Xie
ISCI
2006
145views more  ISCI 2006»
15 years 6 months ago
Processing count queries over event streams at multiple time granularities
Management and analysis of streaming data has become crucial with its applications in web, sensor data, network traffic data, and stock market. Data streams consist of mostly nume...
Aykut Ünal, Yücel Saygin, Özgü...
ICDE
2006
IEEE
144views Database» more  ICDE 2006»
16 years 7 months ago
Approximately Processing Multi-granularity Aggregate Queries over Data Streams
Aggregate monitoring over data streams is attracting more and more attention in research community due to its broad potential applications. Existing methods suffer two problems, 1...
Shouke Qin, Weining Qian, Aoying Zhou
FPGA
2004
ACM
119views FPGA» more  FPGA 2004»
15 years 12 months ago
A quantitative analysis of the speedup factors of FPGAs over processors
The speedup over a microprocessor that can be achieved by implementing some programs on an FPGA has been extensively reported. This paper presents an analysis, both quantitative a...
Zhi Guo, Walid A. Najjar, Frank Vahid, Kees A. Vis...