\begin{thebibliography}{1}

\bibitem{dynamo}
Giuseppe DeCandia, Deniz Hastorun, Madan Jampani, Gunavardhan Kakulapati,
  Avinash Lakshman, Alex Pilchin, Swaminathan Sivasubramanian, Peter Vosshall,
  and Werner Vogels.
\newblock Dynamo: Amazon's highly avaliable key-value store.

\bibitem{bigtable}
Fay Changand~Jeffrey Dean, Sanjay Ghemawat, Wilson~C. Hsieh, Deborah~A.
  Wallach, Mike Burrows, Tushar Chandra, Andrew Fikes, and Robert~E. Gruber.
\newblock Bigtable : A distributed storege system for structured data.

\bibitem{seda:1}
Matt Welsh.
\newblock The staged event-driven architecture for highly-concurrent server
  applications.

\bibitem{seda:2}
Eric~Brewer Matt~Welsh, David~Culler.
\newblock Seda : An architecture for well-conditioned , scalable internet
  services.
\newblock {\em SOSP}.

\bibitem{shoshi:2010a}
玉城将士, 河野真治.
\newblock Cassandraを使ったcmsのpcクラスタを使ったスケーラビリティの検証.
\newblock 日本ソフトウェア科学会, August 2010.

\bibitem{shoshi:2011a}
玉城将士, 河野真治.
\newblock Cassandraを使ったスケーラビリティのあるcmsの設計.
\newblock 情報処理学会, March 2011.

\bibitem{shoshi:2011b}
玉城将士, 河野真治.
\newblock Cassandraと非破壊的構造を用いたcmsのスケーラビリティ検証環境の構築.
\newblock 日本ソフトウェア科学会, August 2011.

\end{thebibliography}