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142
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WEBDB
2005
Springer
105views Database» more  WEBDB 2005»
15 years 10 months ago
On the Expressive Power of Node Construction in XQuery
In the relational model it has been shown that the flat relational algebra has the same expressive power as the nested relational algebra, as far as queries over flat relations ...
Wim Le Page, Jan Hidders, Philippe Michiels, Jan P...
DEXA
2009
Springer
177views Database» more  DEXA 2009»
15 years 11 months ago
A Versatile Record Linkage Method by Term Matching Model Using CRF
We solve the problem of record linkage between databases where record fields are mixed and permuted in different ways. The solution method uses a conditional random fields model...
Quang Minh Vu, Atsuhiro Takasu, Jun Adachi
ICDE
2007
IEEE
173views Database» more  ICDE 2007»
16 years 6 months ago
Top-k Query Processing in Uncertain Databases
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between score and uncertainty makes traditio...
Mohamed A. Soliman, Ihab F. Ilyas, Kevin Chen-Chua...
TCBB
2011
14 years 11 months ago
Visual Exploration across Biomedical Databases
Abstract—Though biomedical research often draws on knowledge from a wide variety of fields, few visualization methods for biomedical data incorporate meaningful cross-database e...
Michael D. Lieberman, Sima Taheri, Huimin Guo, Fat...
199
Voted
DILS
2004
Springer
15 years 8 months ago
An Ontology-Driven Framework for Data Transformation in Scientific Workflows
Abstract. Ecologists spend considerable effort integrating heterogeneous data for statistical analyses and simulations, for example, to run and test predictive models. Our research...
Shawn Bowers, Bertram Ludäscher