PUBLICATIONS

JOURNALS

E. Zheleva, A. Kolcz and L. Getoor, "Trusting Spam Reporters: A Reporter-based Reputation System for Email Filtering," ACM Transactions on Information Systems, to be published.

A. Kolcz and A. Chowdhury, "Lexicon randomization for near-duplicate detection with I-Match," The Journal of Supercomputing, 2008. [PDF].

N. Chawla, N. Japkowicz and A. Kolcz, "Editorial: Special Issue on Learning from Imbalanced Datasets," SIGKDD Explorations, vol. 6, no. 1, pp. 1-6, 2004. [PDF].

A. Kolcz and J. Alspector, "Asymmetric missing-data problems: overcoming the lack of negative data in preference ranking," Information Retrieval, vol. 5, no. 1, pp. 5-40, 2002. [PDF].

A. Kolcz, J. Alspector, M. Augusteijn, R. Carlson and G. V. Popescu, "A line-oriented approach to word spotting in handwritten documents," Pattern Analysis and Applications, vol. 3, no. 2, pp. 153-168, 2000.

A. Kolcz, "N-tuple network, CART and bagging," Neural Computation vol. 12, no. 2, pp. 293-304, 2000 [PDF].

A. Kolcz and N. M. Allinson, "The general memory neural network and its relationship with basis function architectures," Neurocomputing vol. 29, no. 1-3, pp. 57-84, November 1999 [DJVU].

A. Kolcz and N. M. Allinson, "Basis Function Models of the CMAC Network," Neural Networks, vol. 12, no. 1, pp. 107-126, January 1999 [DJVU].

J. Alspector A. Kolcz and N. Karunanithi," Feature-based and Clique-based User Models for Movie Selection: A Comparative Study," User Modeling and User-Adapted Interaction vol. 7, no. 4, pp. 279-304, 1997.

A. Kolcz and N. M. Allinson, "N-tuple Regression Network," Neural Networks, vol. 9, no. 5, pp. 855-869, 1996 [DJVU].

A. Kolcz and N. M. Allinson, "Application of the CMAC input encoding in the N-tuple approximation network," IEE Proceedings - Computers and Digital Techniques, vol. 141, no. 3, pp. 177-183, 1994.

TECHNICAL REPORTS

A. Kolcz, J. Alspector, M. Augusteijn, R. Carlson and G. V. Popescu, "A line-oriented approach to word spotting in handwritten documents," University of Colorado at Colorado Springs Technical Report 1998-ECE-1 March 1998

THESES

A. Kolcz, "Approximation Properties of Memory-Based Neural Networks," University of Manchester Institute of Science and Technology, Department of Electrical Engineering and Electronics, PhD thesis January 1996 [PDF].

CONFERENCE PROCEEDINGS

A. Kolcz and W. Yih, "Site-Independent Template-Block Detection," Proceedings of the 11th European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD-2007), Warsaw, Poland, 2007 [PDF].

A. Kolcz and A. Chowdhury, "Raising the Baseline for High-Precision Text Classifiers," Proceedings of the Thirteenth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, San Jose, California, 2007 [PDF].

A. Kolcz and A. Chowdhury, "Hardening Fingerprinting by Context," The Fourth Conference on Email and Anti-Spam, Mountain View, CA, USA, 2007 [PDF].

W. Yih, R. McCann and A. Kolcz, "Improving Spam Filtering by Detecting Gray Mail," The Fourth Conference on Email and Anti-Spam, Mountain View, CA, USA, 2007 [PDF].

A. Kolcz and A. Chowdhury, "Avoidance of Model Re-Induction in SVM-based Feature Selection for Text Categorization," Proceedings of the 20th Joint Conference on Artificial Intelligence, Hyderabad, India, 2007 [PDF].

A. Kolcz, M. Bond and J. Sargent, "The challenges of service-side personalized spam filtering: scalability and beyond," Proceedings of the First International Conference on Scalable Information Systems (INFOSCALE), Hong Kong, 2006 [PDF].

S. Beitzel, E. Jensen, D. Lewis, A. Chowdhury, A. Kolcz, O. Frieder, "Improving Automatic Query Classification via Semi-supervised Learning," Proceedings of The Fifth IEEE International Conference on Data Mining, 2005 [PDF].

A. Kolcz and A. Chowdhury, "Improved Naive Bayes for Extremely Skewed Misclassification Costs," Proceedings of the 9th European Conference on Principles and Practice of Knowledge Discovery in Databases, 2005 [PDF].

A. Kolcz, "Local Sparsity Control for Naive Bayes with Extreme Misclassification Costs," Proceedings of the Eleventh ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2005 [PDF].

S. Beitzel, D. Lewis, A. Chowdhury, A. Kolcz, E. Jensen, O. Frieder, D. Grossman, "Automatic Web Query Classification Using Labeled and Unlabeled Training Data," Proceedings of the 2005 ACM Conference on Research and Development in Information Retrieval (SIGIR-2005), 2005 [PDF].

A. Kolcz, A. Chowdhury and J. Alspector, "Improved Robustness of Signature-Based Near-Replica Detection Via Lexicon Randomization," KDD-2004 (The Tenth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining), pp. 605-610, Seattle, WA, 2004 [PDF].

A. Kolcz, A. Chowdhury and J. Alspector , "The Impact of Feature Selection on Signature-Driven Spam Detection," The First Conference on Email and Anti-Spam, Mountain View, CA, USA, 2004 [PDF].

A. Kolcz, A. Chowdhury and J. Alspector , "Data Duplication: An Imbalance Problem ?," ICML'2003 Workshop on Learning from Imbalanced Datasets, Washington, DC, USA, 2003 [PDF].

A. Kolcz, X.Sun and J. Kalita , "Efficient Handling of High-Dimensional Feature Spaces by Randomized Classifier Ensembles," KDD-2002 (The Eighth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining), pp. 307-313, Edmonton, Canada, 2002 [PDF].

A. Kolcz and J. Alspector, "SVM-based Filtering of E-mail Spam with Content-specific Misclassification Costs," TextDM'2001 (IEEE ICDM-2001 Workshop on Text Mining), San Jose, CA, 2001 [PDF].

A. Kolcz, V. Prabakarmurthi, J. Kalita and J. Alspector, "Summarization as Feature Selection for Text Categorization," CIKM'01 (Tenth International Conference on Information and Knowledge Management), Atlanta, GA, 2001[PDF].

A. Kolcz and and J. Alspector, "Asymmetric missing-data problems: overcoming the lack of negative data in preference ranking," NIPS'99 Workshop on Using unlabeled data for supervised learning, Breckenridge, Colorado, December 1999.

A. Kolcz and and J. Alspector, "An internet-based Newspaper Filtering and Personalization System," Proceedings of the 22nd International ACM SIGIR Conference on Research and Development in Information Retrieval SIGIR'99, Berkeley, California, August 15-19 1999.

A. Kolcz, "A Bagged-Tree Approach to N-tuple Network Design: Thermometer Code and Its Implications," Proceedings of the 3rd Weightless Neural Network Workshop, WNNW'99, York, England, March 30-31 1999 [PDF].

J. Alspector A. Kolcz and N. Karunanithi," Comparing feature-based and clique-based user models for movie selection," Proceedings of the Third ACM Conference on Digital Libraries, Digital Libraries'98, Pittsburgh, PA, June 24-27 1998.

A. Kolcz, J. Alspector, M. Augusteijn, R. Carlson and G. V. Popescu, "Visual Keyword Based Word-Spotting in Handwritten Documents," Proceedings of the SPIE International Symposium on Document Recognition V (Part of the SPIE Photonics-West' 98 Conference), pp. 185-193, San Jose CA, USA, January 26-30 1998.

A. Kolcz, J. Alspector, M. Augusteijn, R. Carlson and G. V. Popescu, "Keyword search in handwritten documents," Proceedings of the International Workshop on Applications of Neural Networks to Telecommunications 3 (IWANNT'97), Melbourne, Australia. Edited by J. Alspector, R. Goodman and T. X. Brown. pp . 171-180. LEA, Publishers, Mahwah, New Jersey, 1997.

N. M. Allinson and A. Kolcz, "N-Tuple Neural Networks," in Mathematics of Neural Networks : Models, Algorithms and Applications (MANNA), S. W. Ellacott, J. C. Mason, I. J. Anderson, Eds.: Kluwer Academic Publishers, 1997, pp. 3-14.

N. M. Allinson and A. Kolcz, "A principled approach to N-tuple recognition systems," IEE Colloquium on Pattern Recognition (Ref. No.1997/018), London, UK; 26 Feb. 1997.

A. Kolcz and N. M. Allinson, "General Memory Neural Network - extending the properties of basis networks to RAM-based architectures," Proceedings of the 1995 IEEE International Conference on Neural Networks (ICNN '95), Perth, Western Australia, 1995.

A. Kolcz and N. M. Allinson, "Reconfigurable logic implementation of memory based neural networks: a case study of the CMAC network," in VLSI for Neural Networks and Artificial Intelligence, J. G. Delgano-Frias and W. R. Moore, Eds.: Plenum, 1994, pp. 177-186.

A. Kolcz and N. M. Allinson, "Euclidean input mapping in a N-tuple approximation network," Proceedings of the IEEE 6th Digital Signal Processing Workshop, pp. 285-289, Yosemite National Park, CA, USA; 2-5 Oct. 1994.

N. M. Allinson, N. J. Howard, A. Kolcz, and A. R. Tyrrell , " Image processing applications using a novel parallel computing machine based on reconfigurable logic," Proceedings of the IEE Colloquium on 'Parallel Architectures for Image Processing' (Digest No.1994/135), p. 60, 2/1-7, London, UK; 26 May 1994.

N. J. Howard, A. Kolcz, N. M. Allinson and A. R. Tyrrell , " Zelig: A Novel Computing Machine using Reconfigurable Logic," Proceedings of the 2nd Euromicro Workshop on Parallel and Distributed Processing, Malaga, Spain, January 1994.

N. M. Allinson and A. Kolcz, " Enhanced N-tuple approximators," Proceedings of the 1993 Weightless Neural Network Workshop, York, UK, 1993.

A. Kolcz and N. M. Allinson, "Realisation of a modified CMAC architecture using reconfigurable logic devices," Proceedings of the Third Workshop on Neural Networks (part of the 1992 International Simulation Technology Conference), pp. 439-446, Houston (Clear Lake), TX, USA; 4-6 Nov. 1992.