]> 2012-05-29T10:04:48-04:00 Frank Olken Frank Frank Olken Olken folken@nsf.gov Ontology Summit 2008/State of the Art of Ontology Repositories Implementation Techniques for Main Memory Database Systems Random Sampling from Hash Files A Compression Technique for Large Statistical Data-Bases Simple Random Sampling from Relational Databases Random Sampling from B+ Trees Characteristics of Scientific Databases Bit Transposed Files Has author Has speaker Has role Has identifier Has email National Science Foundation, Has affiliation Foaf:surname Foaf:name Ontology Foaf:interest Foaf:homepage Foaf:firstName Anonymous.png Foaf:depiction Person Program Director