Sergio A. Alvarez

Publications
  (student co-authors are indicated with *)

  1. J. Hayward*, S. A. Alvarez, C. Ruiz, M. Sullivan, J. Tseng, and G. Whalen. "Knowledge Discovery in Clinical Performance of Cancer Patients", regular paper (acceptance rate: 38/156 = 24.4%), 2008 IEEE International Conference on Bioinformatics and Biomedicine, Philadelphia, PA, USA, Nov. 3-5, 2008

  2. S. Floyd*, S. A. Alvarez, C. Ruiz, J. Hayward*, M. Sullivan, J. Tseng, and G. Whalen. "Improved Survival Prediction for Pancreatic Cancer using Machine Learning and Regression", extended abstract accepted for presentation at the Society for the Surgery of the Alimentary Tract 48th Annual Meeting (SSAT 2007), in conjunction with Digestive Disease Week, Washington DC, USA, May 19-23, 2007

  3. J. Hayward*, S.A. Alvarez, C. Ruiz, J. Tseng, M. Sullivan, and G. Whalen. "Survival of Pancreatic Cancer Patients Predicted using Machine Learning Techniques", extended abstract accepted for presentation at the Society of Surgical Oncology 60th Annual Cancer Symposium, Washington, DC, USA, March 15-18, 2007

  4. Alvarez, S.A., Ruiz, C., and Kawato*, T. "More Efficient Mining over Heterogeneous Data using Neural Expert Networks", in Multimedia Data Mining and Knowledge Discovery (V.A. Petrushin and L. Khan, eds.), Springer, 2007
    ISBN: 978-1-84628-436-6

  5. Laxminarayan*, P., Alvarez, S.A., Ruiz, C., Moonis, M.,
    "Mining Statistically Significant Associations for Exploratory Analysis of Human Sleep Data", IEEE Transactions on Information Technology in Biomedicine, vol 10, no 3 (July 2006), 440-450

  6. Alvarez, S.A., Ruiz, C., Kawato*, T., Kogel*, W.,
    "Neural Expert Networks for Faster Combined Collaborative and Content-Based Recommendation", Journal of Computational Methods in Sciences and Engineering, to appear

  7. Laxminarayan*, P., Ruiz, C., Alvarez, S.A., Moonis, M.,
    "Mining Associations over Human Sleep Time Series", Proc. 18th IEEE International Symposium on Computer-Based Medical Systems, Dublin, Ireland, June 2005

  8. Alvarez, S.A.,
    "A Theory of Frame Transformations for Belief Combination", Annals of Mathematics and Artificial Intelligence, 40 (3/4), pp 187-213, March 2004

  9. Alvarez, S.A., Kawato*, T., Ruiz, C.,
    "Mining over Loosely Coupled Data Sources using Neural Experts", Fourth International Workshop on Multimedia Data Mining (MDM/KDD 2003), in conjunction with the Ninth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD2003), Washington, DC, Aug. 2003

  10. Alvarez, S.A.,
    "Chi-Squared Computation for Association Rules: Preliminary Results", Technical Report BC-CS-2003-01, Computer Science Department, Boston College, July 2003

  11. Alvarez, S.A., Ruiz, C., Dignum, V.,
    "Data Mining and Web Knowledge Management", in Web Knowledge Management and Decision Support (14th International Conference on Applications of Prolog, INAP 2001, Tokyo, Japan, October 20-22, 2001, Revised Papers), Bartenstein, O., Geske, U., Hannebauer, M., Yoshie, O., (Eds.), Lecture Notes in Computer Science, Volume 2543, Springer, 2003

  12. Alvarez, S.A.,
    "An Exact Analytical Relation among Recall, Precision, and Classification Accuracy in Information Retrieval", Technical Report BC-CS-2002-01, Computer Science Department, Boston College, June 2002

  13. Lin*, W.-Y., Alvarez, S.A., Ruiz, C.,
    "Efficient Adaptive-Support Association Rule Mining for Recommender Systems", Data Mining and Knowledge Discovery, Vol. 6, No. 1, pp. 83-105, Jan. 2002

  14. C. Shoemaker*, M. Pungliya*, M. Sao Pedro*, C. Ruiz, S.A. Alvarez, M. Ward, E. Ryder, and J. Krushkal. "Computational methods for single point and multipoint analysis of genetic variants associated with a simulated complex disorder in a general population". Genetic Epidemiology, Nov. 2001

  15. Streeter*, M.J., Ward, M.O., Alvarez, S.A.,
    ``N2VIS -- An Interactive Visualization Tool for Neural Networks'', Visual Data Exploration and Analysis VIII, Proc. SPIE Vol. 4302, San Jose, CA, Jan. 2001; also see Technical Report WPI-CS-TR-00-11, Department of Computer Science, Worcester Polytechnic Institute, March 2000

  16. ``Computational Population-Based Techniques in Identifying Genetic Variants Associated with Simulated Complex Disorder in a General Population'' (with M. Sao Pedro*, C. Shoemaker*, M. Pungliya*, C. Ruiz, M. Ward, M. Stevens, E.F. Ryder, and J. Krushkal), GAW-12 (2000 Genetic Analysis Workshop), Southwest Foundation for Biomedical Research, San Antonio, TX, Oct. 2000

  17. ``Prescription vs. Description: Two Data Mining Approaches to the Analysis of Genetic Data'' (with C. Shoemaker*, M. Sao Pedro*, and C. Ruiz), GAW-12 (2000 Genetic Analysis Workshop), Southwest Foundation for Biomedical Research, San Antonio, TX, Oct. 2000

  18. Lin*, W.-Y., Alvarez, S.A., Ruiz, C.,
    "Collaborative Recommendation via Adaptive Asociation Rule Mining", KDD-2000 Workshop on Web Mining for E-Commerce, Boston, MA, Aug. 2000

  19. Alvarez, S.A.,
    "Web Metasearch as Belief Aggregation", AAAI-2000 Workshop on AI for Web Search, Austin, TX, July 2000

  20. Alvarez, S.A.,
    "Belief Combination by means of Frame Transformations", 6th International Symposium on Artificial Intelligence and Mathematics, Ft. Lauderdale, FL, Jan. 2000

  21. Lin*, W.-Y., Ruiz, C., Alvarez, S.A.,
    "A New Adaptive-Support Algorithm for Asociation Rule Mining", Technical Report WPI-CS-TR-00-13, Department of Computer Science, Worcester Polytechnic Institute, May 2000

  22. Carter, T., Alvarez, S.A.,
    "Quadratic-based Computation of Optimal Four-Impulse Rendezvous Near a Circular Orbit", Journal of Guidance, Control, and Dynamics, vol. 23, no. 1, Jan.-Feb. 2000, 109-117

  23. Alvarez, S.A.,
    "A Geometric Theory of Knowledge Aggregation", Workshop on Soft Computing, Marianska u Jachymova, Czech Republic, Nov. 1999

  24. Alvarez, S.A., Levitan, S.L., Reggia, J.A.,
    "Metrics for Cortical Map Organization and Asymmetry", Bulletin of Mathematical Biology, vol. 60 (1998), 27-47
    abstract (HTML)

  25. Carter, T., Alvarez, S.A.,
    "Four-Impulse Rendezvous near Circular Orbit", AIAA/AAS Astrodynamics Specialist Conference, Session 84-ASD-10, Rendezvous and Orbit Transfer, Boston, MA, Aug. 1998

  26. Alvarez, S.A.
    "Rational comparison of probabilities via a blow-up conjugacy", Research Report No. 97-NA-010, Center for Nonlinear Analysis, Carnegie Mellon U., Aug. 1997
    abstract (HTML)

  27. Alvarez, S.A., Liu, C.
    "Motion of a Closed Curve by Minus the Surface Laplacian of Curvature", Differential and Integral Equations, vol. 13, no. 10-12, Oct.-Dec. 2000, pp. 1583-1594; also see Research Report No. 97-NA-009, Center for Nonlinear Analysis, Carnegie Mellon U., Aug. 1997
    abstract (HTML)

  28. S.A. Alvarez. "Note on an n-dimensional Pythagorean Theorem", unpublished note, Carnegie Mellon University, 1997

  29. S.A. Alvarez, S.L. Levitan, and J.A. Reggia. "Measuring Organization and Symmetry in Topographic Map Formation" Technical Report UMCP-CSD CS-TR-3668, Department of Computer Science, University of Maryland College Park, Sept. 1996

  30. Alvarez, S.A.
    Interface Motion Driven by Curvature and Diffusion: Analytic Dependence on the Initial Data for the Mullins-Sekerka Equation", Ph.D. Thesis, University of Maryland at College Park, 1996
    abstract (HTML)

  31. Alvarez, S.A.,
    "Homothetic Invariance of the Space L0(μ)", J. of Math. Analysis and Appl., vol. 179, no. 1, 260-274, Oct. 1993

  32. Alvarez, S.A.,
    "Lp Arithmetic", Am. Math. Monthly, vol. 99, no. 7, 656-662, Aug.-Sept. 1992

  33. Alvarez, S.A., Maddocks, J.H.,
    "Dynamics and Optimal Control of Wheeled Mobile Robots", U. of Maryland College Park Technical Report, 1991

  34. Alvarez, S.A.,
    "Lattices Generated by Collections of Lp Spaces"
    Rev. Col. Mat., vol. XXII, 1988

  35. Alvarez, S.A., Noreña, D., Ramos, E.,
    ``Automated Recognition of Handprinted Alphanumeric Characters'', Sistemas, No. 23, Apr.-Jun. 1985

Research according to Hollywood

"Do you have any idea how easy this stuff is for me ?!?"

Exasperated 20 year old janitor/genius Will Hunting trying to explain a mathematical proof to a struggling Fields Medalist in Good Will Hunting, Miramax Films, 1997