MonetDB is a state-of-the-art open-source column-store database management system
targeting applications in need for analytics over large collections of data. MonetDB is …

In this article, we survey recent research on column-oriented database systems, or column-
stores, where each attribute of a table is stored in a separate file or region on storage. Such …

The first edition of this book appeared in 1991 when the technology was new and there were
not too many products. In the Preface to the first edition, we had quoted Michael Stonebraker …

Data exploration is about efficiently extracting knowledge from data even if we do not know
exactly what we are looking for. In this tutorial, we survey recent developments in the …

Joins are expensive, and online aggregation over joins was proposed to mitigate the cost,
which offers users a nice and flexible tradeoff between query efficiency and accuracy in a …

Modern state-of-the-art database systems are designed around a single data storage layout.
This is a fixed decision that drives the whole architectural design of a database system, ie …

RDF is increasingly being used to encode data for the semantic web and data exchange.
There have been a large number of works that address RDF data management following …

The database research community has been building methods to store, access, and update
data for more than four decades. Throughout the evolution of the structures and techniques …

Numerous applications continuously produce big amounts of data series, and in several
time critical scenarios analysts need to be able to query these data as soon as they become …

Numerous applications continuously produce big amounts of data series, and in several
time critical scenarios analysts need to be able to query these data as soon as they become …