SIGMOD Record, Volume 38

Volume 38, Number 1, March 2009

• E. F. Codd:
  Derivability, redundancy and consistency of relations stored in large data banks. 17-36
  

• Alberto H. F. Laender, Mirella M. Moro, Cristiano Nascimento, Patrícia Martins:
  An X-ray on web-available XML schemas. 37-42
  
• Daniela Florescu, Donald Kossmann:
  Rethinking cost and performance of database systems. 43-48
  

• Pablo Barceló:
  Logical foundations of relational data exchange. 49-58
  

• Giusy Di Lorenzo, Hakim Hacid, Hye-Young Paik, Boualem Benatallah:
  Data integration in mashups. 59-66
  
• Marianne Winslett:
  Gerhard Weikum speaks out on why we should go for the grand challenges, why SQL is too powerful, the myth of precision, how to have a big research group in Germany, and more. 67-74