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» A Note on Karr's Algorithm
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AAECC
2010
Springer
99views Algorithms» more  AAECC 2010»
13 years 6 months ago
Structural theorems for symbolic summation
Abstract. Starting with Karr's structural theorem for summation --the discrete version of Liouville's structural theorem for integration-- we work out crucial properties ...
Carsten Schneider
CORR
2008
Springer
70views Education» more  CORR 2008»
13 years 6 months ago
A Refined Difference Field Theory for Symbolic Summation
In this article we present a refined summation theory based on Karr's difference field approach. The resulting algorithms find sum representations with optimal nested depth. ...
Carsten Schneider
IJUFKS
2002
70views more  IJUFKS 2002»
13 years 5 months ago
Software Systems for Tabular Data Releases
aint on disclosure risk. Underlying abstractions -- primarily associated with the query space, as well as released and unreleasable sub-tables and frontiers, computational algorith...
Adrian Dobra, Alan F. Karr, Ashish P. Sanil, Steph...
JAMIA
2011
83views more  JAMIA 2011»
12 years 9 months ago
Use of electronic clinical documentation: time spent and team interactions
Objective To measure the time spent authoring and viewing documentation and to study patterns of usage in healthcare practice. Design Audit logs for an electronic health record we...
George Hripcsak, David K. Vawdrey, Matthew R. Fred...
DM
2006
84views more  DM 2006»
13 years 6 months ago
Indefinite summation with unspecified summands
We provide a new algorithm for indefinite nested summation which is applicable to summands involving unspecified sequences x(n). More than that, we show how to extend Karr's ...
Manuel Kauers, Carsten Schneider