The work presented in this paper is motivated by the acknowledgement that a complete and
updated systematic literature review (SLR) that consolidates all the research efforts for Big …

NoSQL systems have gained their popularity for many reasons, including the flexibility they
provide in organizing data, as they relax the rigidity provided by the relational model and by …

Self-tuning is a feature of autonomic databases that includes the problem of automatic
schema design. It aims at providing an optimized schema that increases the overall …

Abstract Multi-model DBMSs (MMDBMSs) have been recently introduced to store and
seamlessly query heterogeneous data (structured, semi-structured, graph-based, etc.) in …

Nowadays, the data used for decision-making come from a wide variety of sources which
are difficult to manage using relational databases. To address this problem, many …

Within the Big Data trend, there is an increasing interest in Not-only-SQL systems (NoSQL).
These systems are promising candidates for implementing data warehouses particularly due …

In the era of Big Data, many NoSQL databases emerged for the storage and later processing
of vast volumes of data, using data structures that can follow columnar, key-value, document …

Most NoSQL databases are schemaless. Although they offer some flexibility, they do not
have any knowledge of the database schema, losing the benefits provided by these …

Big geospatial raster data pose a grand challenge to data management technologies for
effective big data query and processing. To address these challenges, various big data …

Data warehouses are central pieces in business intelligence and analytics as these
repositories ensure proper data storage and querying, being supported by data models that …