Recent demands for storing and querying big data have revealed various shortcomings of
traditional relational database systems. This, in turn, has led to the emergence of a new kind …

The constant growth of social media, unconventional web technologies, mobile applications,
and Internet of Things (IoT) devices create challenges for cloud data systems in order to …

Transaction processing systems are primarily based on the relational model of data and
offer the advantages of decades of research and experience in enforcing data quality …

Due to the gradual expansion in data volume used in social networks and cloud computing,
the term “Big data” has appeared with its challenges to store the immense datasets. Many …

The constant growth of social media, unconventional web technologies, mobile applications,
and Internet of Things (IoT) devices, create challenges for cloud data systems in order to …

Distributed NoSQL systems such as Cassandra are popular nowadays. However, it is
complicated and tedious to configure these systems to achieve their maximum performance …

Research in the area of load balancing in distributed systems has not yet come with an
optimal load balancing technique. Existing approaches work primarily with replication and …

This study proposes a performance comparison between the different structures of NoSQL
databases; document, key-value, column and graph. A second study is also conducted …

This special issue presents the recent advances in cloud computing and software-defined
network, which\were selected out of the significantly extended versions of accepted papers …