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» An Adaptive Query Execution System for Data Integration
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AUTONOMICS
2008
ACM
15 years 8 months ago
R-P2P: a data centric DTN middleware with interconnected throwboxes
In this paper we describe R-P2P, a novel system meant to support the search and retrieval of data in a given area. RP2P couples opportunistic wireless communications between mobil...
Francesco De Pellegrini, Iacopo Carreras, Daniele ...
VLDB
2011
ACM
245views Database» more  VLDB 2011»
15 years 1 months ago
Normalization and optimization of schema mappings
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
Georg Gottlob, Reinhard Pichler, Vadim Savenkov
ICDE
2006
IEEE
148views Database» more  ICDE 2006»
16 years 7 months ago
Unifying the Processing of XML Streams and Relational Data Streams
Relational data streams and XML streams have previously provided two separate research foci, but their unified support by a single Data Stream Management System (DSMS) is very des...
Xin Zhou, Hetal Thakkar, Carlo Zaniolo
DBISP2P
2004
Springer
111views Database» more  DBISP2P 2004»
15 years 11 months ago
Processing and Optimization of Complex Queries in Schema-Based P2P-Networks
Peer-to-Peer infrastructures are emerging as one of the important data management infrastructures in the World Wide Web. So far, however, most work has focused on simple P2P networ...
Hadhami Dhraief, Alfons Kemper, Wolfgang Nejdl, Ch...
PODS
2010
ACM
242views Database» more  PODS 2010»
15 years 11 months ago
Certain answers for XML queries
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
Claire David, Leonid Libkin, Filip Murlak