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LICS
2002
IEEE
14 years 2 months ago
Monadic Queries over Tree-Structured Data
Monadic query languages over trees currently receive considerable interest in the database community, as the problem of selecting nodes from a tree is the most basic and widesprea...
Georg Gottlob, Christoph Koch
CVRMED
1995
Springer
14 years 1 months ago
Adaptive Segmentation of MRI Data
Abstract. Intensity-based classification of MR images has proven problematic, even when advanced techniques are used. Intra-scan and interscan intensity inhomogeneities are a comm...
William M. Wells III, W. Eric L. Grimson, Ron Kiki...
DEXA
2004
Springer
180views Database» more  DEXA 2004»
14 years 3 months ago
Algebra-to-SQL Query Translation for Spatio-Temporal Databases
Although many spatio-temporal conceptual models has been proposed in the last years, users must express their queries on the underlying physical data structures. In the context of ...
Mohammed Minout, Esteban Zimányi
VLDB
2005
ACM
140views Database» more  VLDB 2005»
14 years 3 months ago
OLAP Over Uncertain and Imprecise Data
We extend the OLAP data model to represent data ambiguity, specifically imprecision and uncertainty, and introduce an allocation-based approach to the semantics of aggregation qu...
Douglas Burdick, Prasad Deshpande, T. S. Jayram, R...
CIDR
2009
105views Algorithms» more  CIDR 2009»
13 years 10 months ago
Interactive Analysis of Web-Scale Data
We consider how to support interactive querying over webscale data. The basic approach is to view querying as a two-phase activity: first supply a query template, and later supply...
Christopher Olston, Edward Bortnikov, Khaled Elmel...