There is an increasing demand for locality-preserving distribution of complex data structures in peer-to-peer systems. Current systems either do not preserve object locality or su...
In this paper we present a new compression scheme for signature tree structures. Beyond the reduction of storage space, compression attains significant savings in terms of query pr...
Maria Kontaki, Yannis Manolopoulos, Alexandros Nan...
In order to make database systems interoperate with systems beyond traditional application areas a new paradigm called \exporting database functionality" as a radical departur...
The family of R-trees is suitable for storing various kinds of multidimensional objects and is considered an excellent choice for indexing a spatial database. Region Quadtrees are ...
Antonio Corral, Michael Vassilakopoulos, Yannis Ma...
In this paper, we present methods of translating transactions from object-oriented database(OODB) to relational database(RDB). The process involves schema mapping in data definiti...