Graph databases are widely used for big data problems and scenarios which are really hard to be presented using relational database. How to represent and be able to query time-varying graph database ...

A new generation of graph databases has taken hold, and a generation of query languages has arrived alongside them. The assorted graph database query languages include the likes of Gremlin, Cypher ...

The paper presents a method for parallel speculative query execution support to be applied in relational database systems. The method is based on dynamic analysis of input query stream in databases ...

This is the official codebase of the State-of-the-Art QTO framework for complex query answering, proposed in Answering Complex Logical Queries on Knowledge Graphs via Query Computation Tree ...