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SIGMOD
1999
ACM
87views Database» more  SIGMOD 1999»
13 years 11 months ago
On Random Sampling over Joins
A major bottleneck in implementing sampling as a primitive relational operation is the ine ciency ofsampling the output of a query. It is not even known whether it is possible to ...
Surajit Chaudhuri, Rajeev Motwani, Vivek R. Narasa...
BIRTHDAY
1992
Springer
13 years 11 months ago
Single Tree Grammars
A context-free grammar is a single-tree grammar (STG) if every nonterminal symbol has at most one production rule whose right hand side contains nonterminal symbols. Various prope...
Sheila A. Greibach, Weiping Shi, Shai Simonson
DILS
2006
Springer
13 years 11 months ago
Towards a Model of Provenance and User Views in Scientific Workflows
Scientific experiments are becoming increasingly large and complex, with a commensurate increase in the amount and complexity of data generated. Data, both intermediate and final r...
Shirley Cohen, Sarah Cohen Boulakia, Susan B. Davi...
CIBCB
2009
IEEE
13 years 8 months ago
An application of the metric access methods to the mass spectrometry data
Mass spectrometry is a very popular method for protein and peptide identification nowadays. Abundance of data generated in this way grows exponentially every year and although ther...
Jiri Novák, David Hoksza
ER
2010
Springer
104views Database» more  ER 2010»
13 years 6 months ago
Provenance Management in BioSciences
: Data provenance is becoming increasingly important for biosciences with the advent of large-scale collaborative environments such as the iPlant collaborative, where scientists co...
Sudha Ram, Jun Liu