XML databases, providing structural query-ing support, are becoming more and more popular. As weknow, XML data may change over time and providing ane±cient support to queries which also involve temporalaspects is still an open issue. In this paper we presentour native Temporal XML Query Processor, which ex-ploits an ad-hoc temporal indexing scheme relying on re-lational approaches and a technology supporting temporalslicing. As we show through an extensive experimentalevaluation, our solution achieves good e±ciency results,outperforming stratum-based solutions when dealing withtime-related application requirements while continuing toguarantee good performance in traditional scenarios.
Native Temporal Slicing Support for XML Databases / Mandreoli, Federica; Martoglia, Riccardo; Ronchetti, Enrico. - In: THE OPEN INFORMATION SCIENCE JOURNAL. - ISSN 1874-947X. - ELETTRONICO. - 2:(2009), pp. 2-9.
Native Temporal Slicing Support for XML Databases
MANDREOLI, Federica;MARTOGLIA, Riccardo;RONCHETTI, Enrico
2009
Abstract
XML databases, providing structural query-ing support, are becoming more and more popular. As weknow, XML data may change over time and providing ane±cient support to queries which also involve temporalaspects is still an open issue. In this paper we presentour native Temporal XML Query Processor, which ex-ploits an ad-hoc temporal indexing scheme relying on re-lational approaches and a technology supporting temporalslicing. As we show through an extensive experimentalevaluation, our solution achieves good e±ciency results,outperforming stratum-based solutions when dealing withtime-related application requirements while continuing toguarantee good performance in traditional scenarios.
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