Most declarative SQL-like query languagesfor object-oriented database systems (OOSQL) are orthogonal languages allowing for arbitrary nesting of expressions in the select-, from-,...
Hennie J. Steenhagen, Peter M. G. Apers, Henk M. B...
Abstract—XML indexing and search has become an important topic, and twig joins are key building blocks in XML search systems. This paper describes a novel approach using a nested...
Path traversals have been recognized as one of the strengths of object-oriented query processing as object retrieval can be carried out through pointer navigation. Apart from path...
Abstract: Optimization of nested queries, in particular finding equivalent “flattened” queries for queries that employ the SQL sub-query construct, has been researched extensiv...
Asynchronous IO (AIO) allows a process to continue to do other work while an IO operation initiated earlier completes. AIO allows a large number of random IO operations to be issu...
Suresh Iyengar, S. Sudarshan, Santosh Kumar 0002, ...