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» A Calculus for Data Mapping
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PODS
2009
ACM
171views Database» more  PODS 2009»
15 years 10 months ago
XML schema mappings
Relational schema mappings have been extensively studied in connection with data integration and exchange problems, but mappings between XML schemas have not received the same amo...
Shun'ichi Amano, Leonid Libkin, Filip Murlak
SIGMOD
2012
ACM
190views Database» more  SIGMOD 2012»
13 years 9 days ago
Sample-driven schema mapping
End-users increasingly find the need to perform light-weight, customized schema mapping. State-of-the-art tools provide powerful functions to generate schema mappings, but they u...
Li Qian, Michael J. Cafarella, H. V. Jagadish
TWC
2008
156views more  TWC 2008»
14 years 9 months ago
Low-Complexity Map Channel Estimation for Mobile MIMO-OFDM Systems
Abstract-- This paper presents a reduced-complexity maximum a posteriori probability (MAP) channel estimator with iterative data detection for orthogonal frequency division multipl...
Jie Gao, Huaping Liu
BMCBI
2006
116views more  BMCBI 2006»
14 years 10 months ago
Whole genome association mapping by incompatibilities and local perfect phylogenies
Background: With current technology, vast amounts of data can be cheaply and efficiently produced in association studies, and to prevent data analysis to become the bottleneck of ...
Thomas Mailund, Søren Besenbacher, Mikkel H...
PODS
2008
ACM
204views Database» more  PODS 2008»
15 years 10 months ago
Annotated XML: queries and provenance
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
J. Nathan Foster, Todd J. Green, Val Tannen