RESULTS
Publications
- J. Castro, A. Frangioni, C. Gentile, Perspective Reformulations
of the CTA Problem With $L_2$ Distances. Submitted to Operations
Research, 2012, first revision in progress.
- J. Castro,
On assessing the disclosure risk of controlled adjustment methods for
statistical tabular data, International
Journal of Uncertainty, Fuzziness and Knowledge-Based Systems, 20
(2012) 921-941 .
- J. Castro,
A
computational evaluation of optimization solvers for CTA, Lecture
Notes in Computer Science, 7556 (2012) 11-21, eds. J.
Domingo-Ferrer and I. Tinnirello, © Springer.
- J. Castro,
Comparing
$L_1$ and $L_2$ distances for CTA, Lecture Notes in Computer
Science, 7556 (2012) 35-46, eds. J. Domingo-Ferrer and I.
Tinnirello, © Springer.
- J. Castro, J. Cuesta,
Solving $L_1$-CTA in 3D tables by an interior-point method for primal
block-angular problems, TOP , doi:10.1007/s11750-011-0247-z.
- J. Castro, J. Cuesta,
Improving an interior-point algorithm for multicommodity flows by
quadratic regularizations, Networks, 59 (2012) 117-131.
- J. Castro,
Recent advances in optimization techniques for statistical tabular data
protection, European Journal of Operational Research,
216 (2012) 257-269.
- D. Baena, J. Castro,
Using the analytic center in the feasibility pump, Operations
Research Letters, 39 (2011) 310-317.
- J. Castro, J. Cuesta, Quadratic
regularizations in an interior-point method for primal block-angular
problems, Mathematical Programming, 130 (2011) 415-445.
- J. A. González, J. Castro,
A heuristic block coordinate descent approach for
controlled tabular adjustment, Computers & Operations Research,
38
(2011)
1826-1835.
- J. Castro, J. Cuesta, Existence,
uniqueness and convergence of the regularized primal-dual central
path, Operations Research Letters, 38 (2010) 366-371.
- J. Castro, Statistical disclosure control in tabular data, Privacy
and
Anonymity
in Information Management Systems: New Techniques for New
Practical Problem, Springer (2010), 113-131. ISBN 978-1849962377.
Conference and seminar presentations
- J. Castro, Improving iterative solvers in IPMs: regularizations
and hybrid preconditioners,
Edinburgh Research Group in Optimization Seminars, School
of Mathematics, University of Edinburgh, 10 October 2012.
Invited presentation.
- J. Castro,
A computational evaluation of optimization solvers for CTA,
Privacy in Statistical Databases 2012,
Palermo (Italia), September 2012.
- J. Castro,
Comparing $L_1$ and $L_2$ distances for CTA,
Privacy in Statistical Databases 2012,
Palermo (Italia), September 2012.
- J.A. González, J. Castro, Improving the solution of CTA
through valid inequalities, 25th European Conference on
Operational Research-EURO 2012, Vilnius University, Vilnius
(Lithuania), July 2012. Invited presentation.
- D. Baena, J. Castro, A fix and relax heuristic for controlled
tabular adjustment, 25th European Conference on Operational
Research-EURO 2012, Vilnius University, Vilnius (Lithuania), July
2012. Invited presentation.
- J. Castro, A. Frangioni, C. Gentile, Solving $L_2$-CTA by
perspective reformulations, 25th European Conference on
Operational Research-EURO 2012, Vilnius University, Vilnius
(Lithuania), July 2012. Invited presentation.
- J. Cuesta, J. Castro, Solving $L_1$-CTA in 3D tables by an
interior-point method for block-angular problems, 25th European
Conference on Operational Research-EURO 2012, Vilnius University,
Vilnius (Lithuania), July 2012. Invited presentation.
- J. Castro, Organization of Stream on Data Confidentiality,
25th European Conference on Operational Research-EURO 2012, Vilnius
University, Vilnius (Lithuania), July 2012.
- J. Castro. Workshop on Techniques for tabular data protection,
IDESCAT Workshop ,
IDESCAT, the National Statistical Institute of Catalonia, Barcelona,
May 23 2012. Invited presentation.
- D. Baena, J. Castro, The analytic center feasibility pump,
XXXIII Congreso Nacional de Estadística e
Investigación Operativa, Madrid, Spain, April 2012.
- J. Castro (in collaboration with A. Frangioni, C. Gentile, and
J.A. González),
MILP and MIQP optimization problems from the statistical disclosure
control field. Optimization, Theory, Algorithms and Applications in
Economics.
Workshop in applications of Optimization in Engineering, Centre de
Recerca Matemàtica (CRM), Bellaterra (Catalonia), October 2011.
Invited
presentation.
- J. Castro, J.A. González,
Present and future research on controlled tabular adjustment. Joint
UNECE/Eurostat Work Session on Statistical Data
Confidentiality, Universitat Rovira i Virgili, Tarragona
(Catalonia), October 2011. Invited
presentation.
- C. Gentile, J. Castro, A. Frangioni, Minimum Euclidean distance
controlled
adjustment problems by perspective reformulations, 42th Annual
Conference
of the Italian Operational Research Society - AIRO 2011 , Brescia
(Italia), September 2011.
- J. Castro, Panel discussion Challenges and Applications of
MINLP, Exploratory Workshop on Mixed Integer Non-Linear Programming,
Mathematical
Research
Institute,
Universidad
de Sevilla (Spain), December
2010. Invited participant to panel discussion.
- J. Castro, A class of interior-point methods for structured
problems: theory and applications, Conference on Numerical
Optimization and Applications in Engineering,
Mathematical Research Center, Universitat Autonoma de Barcelona,
Bellaterra
(Catalonia), October 2010. Invited presentation.
- J. Castro, J.A. González,
A tool for analyzing and fixing infeasible RCTA instances, Privacy
in Statistical Databases 2010,
Corfu (Greece), September 2010.
- J. Castro, J. Cuesta,
Existence, uniqueness and convergence of the regularized primal-dual
central
path, XXXII Congreso Nacional de Estadística e
Investigación Operativa, A Coruña, Spain, September
2010.
- J. A. González, J. Castro,
Solving tough instances of the controlled tabular adjustment problem,
24th European Conference on Operational Research-EURO 2010, Session
on Large-scale Mixed Optimization Problems, Universidade de Lisboa,
Lisboa (Portugal), July 2010.
Invited presentation.
- J. Castro, J. Cuesta,
Improving a class of PCG-based interior-point methods by quadratic
regularizations, Joint SIMAI/SEMA Conference on Applied and
Industrial Mathematics, Minisimposium of Numerical Solution of Large
Linear Systems in Numerical Optimization, University of Cagliari,
Cagliari (Italia), June 2010.
Invited presentation.
- J. Castro, Statistical disclosure control in tabular data,
Research seminar, Department of Mathematics, Universitat de
Lleida, Lleida (Catalonia), 1 June 2010.
Invited presentation.
Technology transfer contracts and related
projects
- Contract C08517 with IDESCAT (National Statistical Institute of
Catalonia) for safe configuration of tabular data using CTA.
2011.
- Contract C08516 with Statistics Netherlands (to work on a
project funded by Eurostat) for improving an implementation of a CTA
code for structural business
statistics (EURO SBS3). 2011.
- 2011-2014."Data
without
Boundaries (DwB)" Project FP7 INFRA-2010-262608, granted by
the European Union.
- Contract C08182 with IDESCAT (National Statistical Institute of
Catalonia) for safe configuration of tabular data. October 2010-January
2011.
- Contract C07809 with Statistics Netherlands (in collaboration
with Statistics
Germany and to work on a project funded by Eurostat) for extension of a
CTA code for statistical confidentiality of European aggregates for
animal production statistics. September 1 2009- February 28 2010.
PhD thesis
- D. Baena, Optimal and heuristic approaches for controlled
tabular adjustment, directed by J. Castro, in progress.
MSc thesis
- M. Matute, Methods for finding initial points in controlled
tabular adjustment, directed by J.A. González, 4 November 2010.
- X. Jiménez, An optimization and modeling environment for
large scale block-angular problems, directed by J. Castro, 24 January
2012