'David et al' presentation slideshows

Cooling Flows & Galaxy Formation

645 views • 46 slides

X-ray Spectra of Clusters of Galaxies

X-ray Spectra of Clusters of Galaxies. John Peterson Purdue University X-ray Gratings 2007 Boston, MA. Intracluster medium. Optical. X-ray. Heated due to large gravitational potentials Temperatures ~ 1-10 keV (10 7 to 10 8 K) Densities ~ 10 -5 to 10 -1 particles per cubic cm

448 views • 31 slides

Finding Optimal Probabilistic Generators for XML Collections

Finding Optimal Probabilistic Generators for XML Collections. Serge Abiteboul, Yael Amsterdamer , Daniel Deutch, Tova Milo, Pierre Senellart. Adding probabilities to an XML Schema. Given a collection of XML documents, we sometimes have a schema the documents conform to. E.g., DTD or XSD

297 views • 23 slides