Over the past decade, Knowledge Graphs have received enormous interest b...
Join queries involving many relations pose a severe challenge to today's...
Enumeration problems aim at outputting, without repetition, the set of
s...
Skyline queries are frequently used in data analytics and multi-criteria...
Most work on query optimization has concentrated on loop-free queries.
H...
Recursive queries have been traditionally studied in the framework of
da...
Modern trends in data collection are bringing current mainstream techniq...
Constraint Satisfaction Problems (CSPs) play a central role in many
appl...
Constraint satisfaction problems (CSPs) are an important formal framewor...
Fractional (hyper-)graph theory is concerned with the specific problems ...
Hypertree decompositions (HDs), as well as the more powerful generalized...
Hypertree decompositions (HDs), as well as the more powerful generalized...
Answering Conjunctive Queries (CQs) and solving Constraint Satisfaction
...
To cope with the intractability of answering Conjunctive Queries (CQs) a...
Duplicates in data management are common and problematic. In this work, ...
Many reasoning problems are based on the problem of satisfiability (SAT)...
Cardinality constraints or, more generally, weight constraints are well
...