Sfoglia per Autore "Nanopoulos, A."
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Categorical range queries in large databases
Nanopoulos, A.; Bozanis, P. (2003)In this paper, we introduce the categorical (a.k.a. chromatic) range queries (CRQs) in the context of large, disk-resident data sets, motivated by the fact, that CRQs are conceptually simple and emerge often in DBMSs. On ... -
LR-tree: A logarithmic decomposable spatial index method
Bozanis, P.; Nanopoulos, A.; Manolopoulos, Y. (2003)Since its introduction in 1984, R-tree has been proven to be one of the most practical and well-behaved data structures for accommodating dynamic massive sets of geometric objects and conducting a very diverse set of queries ... -
Merging R-trees
Vasaitis, V.; Nanopoulos, A.; Bozanis, P. (2004)R-trees, since their introduction in 1984, have been proven to be one of the most well-behaved practical data structures for accommodating dynamic massive sets of geometric objects and conducting a diverse set of queries ... -
Music retrieval over wireless ad-hoc networks
Karydis, I.; Nanopoulos, A.; Papadopoulos, A.; Katsaros, D.; Manolopoulos, Y. (2008)Wireless networks introduce new opportunities for music delivery. The trend of using mobile devices on wireless networks can significantly extent the recent change of paradigm in the model of music distribution by allowing ...