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» Answering imprecise database queries: a novel approach
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Publication
244views
15 years 7 months ago
Phenomenon-aware Stream Query Processing
Spatio-temporal data streams that are generated from mobile stream sources (e.g., mobile sensors) experience similar environmental conditions that result in distinct phenomena. Sev...
M. H. Ali, Mohamed F. Mokbel, Walid G. Aref
VLDB
1995
ACM
155views Database» more  VLDB 1995»
13 years 11 months ago
Aggregate-Query Processing in Data Warehousing Environments
In this paper we introduce generalized projections (GPs), an extension of duplicateeliminating projections, that capture aggregations, groupbys, duplicate-eliminating projections ...
Ashish Gupta, Venky Harinarayan, Dallan Quass
P2P
2006
IEEE
120views Communications» more  P2P 2006»
14 years 1 months ago
Risk Driven Semantic P2P Service Retrieval
In this paper, we present a novel approach, named RS2D, to risk driven semantic service query routing in unstructured, so called pure P2P networks. Following the RS2D protocol, ea...
Matthias Klusch, Ulrich Basters
ICDE
2010
IEEE
241views Database» more  ICDE 2010»
14 years 7 months ago
FlexPref: A Framework for Extensible Preference Evaluation in Database Systems
Personalized database systems give users answers tailored to their personal preferences. While numerous preference evaluation methods for databases have been proposed (e.g., skylin...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...
CIKM
2010
Springer
13 years 5 months ago
Automatic schema merging using mapping constraints among incomplete sources
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...
Xiang Li 0002, Christoph Quix, David Kensche, Sand...