The coalition structure generation problem is a natural abstraction of one of the most
important challenges in multi-agent systems: How can a number of agents divide …

RDF is a data model for schema-free structured information that is gaining momentum in the
context of Semantic-Web data, life sciences, and also Web 2.0 platforms. The “pay-as-you …

RDF is a data representation format for schema-free structured information that is gaining
momentum in the context of Semantic-Web corpora, life sciences, and also Web 2.0 …

Query optimizer is at the heart of the database systems. Cost-based optimizer studied in this
paper is adopted in almost all current database systems. A cost-based optimizer introduces …

A coalition as a group of agents aims to work jointly to earn much more gains as a result of
their cooperation. Many existing studies assumed that members take advantage of joining …

With the proliferation of the RDF data format, engines for RDF query processing are faced
with very large graphs that contain hundreds of millions of RDF triples. This paper addresses …

Machine learning algorithms are commonly specified in linear algebra (LA). LA expressions
can be rewritten into more efficient forms, by taking advantage of input properties such as …

Join ordering and join processing has a huge impact on query execution and can easily
affect the query response time by orders of magnitude. In particular, when joins are …

TPC-H continues to be the most widely used benchmark for relational OLAP systems. It
poses a number of challenges, also known as" choke points", which database systems have …

The prospect of achieving computational speedups by exploiting quantum phenomena
makes the use of quantum processing units (QPUs) attractive for many algorithmic database …