Recent Publications:

• S. Kabir, S. Mudur, and N. Shiri. "Capturing Browsing Interests of Users intoWeb Usage Profiles", in AAAI Workshop on Intelligent Techniques for Web Personalization and Recommended Systems (ITWP), 22 July, 2012, Toronto, Canada.
• A. Ketata, S. Mudur, and N. Shiri. "New Assessment Criteria for Improving Usage Profiling in Web Usage Mining", in Proc. of 3Clust Wosrkshop on Multi-view data, High-diemensionality, External knowkedge: Striving for a uniform Approcah to Clustering, in conjunction with PAKDD, pp. 39--50, May 29 -- June 1, 2012, Kuala Lumpur, Malaysia.
• Q. Huang and N. Shiri. "Extending Magic Sets Technique to Deductive Databases with Uncertainty", in Proc. 4th VLDB Workshop on Management of Uncertain Data (MUD'10), pp. 19-33, Sept. 13, 2010, Singapore.
• A. Kiani and N. Shiri. "Conjunctive Queries with Constraints: Homomorphism, Containment and Rewriting", in Proc. 6th Int'l Symp. on Foundations of Information and Knowledge Systems (FoIKS), S. Link and H. Prade (Eds.), LNCS 5956, Springer, Sofia, Bulgara, Feb. 15-19, 2010.
• T. Hasan, P.S. Mudur, and N. Shiri. "A Session Generalization Technique for Improved Web Usage Mining", in Proc. 11th ACM Workshop on Web Information and Data Management (WIDM), in conjunction with CIKM, Hong Kong, Nov. 2-9, 2009.
• V. Haarslev, Hsueh-Ieng Pai, and N. Shiri. "A Formal Framework for Description Logics with Uncertainty". International Journal of Approximate Reasoning, Vol 50, pp 1399-1415, DOI, April 2009.
• A. Kiani and N. Shiri. "Using Patterns for Faster and Scalable Rewriting of Conjunctive Queries", in Proc. Alberto Mendelzon Workshop on Foundation of Data Management (AMW), Arequipa, Peru, May 12-15, 2009.
• J. Lai and N. Shiri. "Query Processing and Optimization for Logic Programs with Certainty Constraints". Poster in 22nd Int'l FLAIRS Conf., Florida, May 19-21, 2009.
• A. Ketata, S. Mudur, and N. Shiri. "Dependable Performance Analysis for Fuzzy Clustering of Web usage Data", IEEE Symposium on Computational Intelligence and Data Mining (CIDM), March 30-April 2, Nashville, USA, 2009.
• A. Alasoud, V. Haarslev, and N. Shiri. "An Empirical Comparison of Ontology Matching Techniques". Journal of Information Science, 35(4), pp. 379-397, July 2009.
• P. Nguyen and N. Shiri. "Fast Correlation Analysis on Time Series Datasets". In Proc. ACM 17th Conf. on Information and Knowledge Management (CIKM), Napa Valley, California, Oct. 26-30, 2008.
• P. Nguyen and N. Shiri. "Polyhedral Transformation for Indexed Rank Order Correlation Queries". Poster in Proc. ACM 17th Conf. on Information and Knowledge Management (CIKM), Napa Valley, California, Oct. 26-30, 2008.
• V. Haarslev, Hsueh-Ieng Pai, and N. Shiri. "Uncertainty Reasoning for Ontologies with General TBoxes in Description Logics". In P.C.G. da Costa et al. (Eds.): URSW 2005--2007, LNAI 5327, pp. 385-- 402, 2008.
• C.N. Lian, M. Halachev, and N. Shiri. "Searching for Supermaximal Repeats in Large DNA Sequences", Communications in Computer and Information Science, M. Elloumi et al. (Eds), Vol. 13, BIRD 2008, Springer Berlin Heidelberg, pp. 87-101, Vienna, Austria, July 7-9, 2008.
• M. Halachev and N. Shiri. "Fast Structured Motif Search in DNA Sequences", Communications in Computer and Information Science, M. Elloumi et al. (Eds), Vol. 13, BIRD 2008, Springer Berlin Heidelberg, pp. 58-73, Vienna, Austria, July 7-9, 2008.
• N. Mohajerin and N. Shiri. "A Top-Down Approach to Rewriting Conjunctive Queries Using Views", in K.-D. Schewe and B. Thalheim (Eds.): SDKB 2008, LNCS 4925, pp. 180-198, Springer-Verlag Berlin Heidelberg, March 29, Nantes, France, 2008.
• A. Alasoud, V. Haarslev, and N. Shiri. "Effective Ontology Matching Technique", in Proc. 17th Int'l Symp. on Methodologies for Intelligent Systems (ISMIS'08), Toronto, Canada, May 20-23, 2008.
• N. Shiri and Z.H. Zheng. "Optimizing Fixpoint Evaluation of Logic Programs with Uncertainty", in Proc. 13 CSI Int'l Computer Conference (CSICC), Communications in Computer and Information Science (CCIS) Elsevier, Kish, Iran, March 9-11, 2008.
• A. Kiani and N. Shiri. "A Generalized Model for Mediator Based Information Integration", in Proc. 11th IEEE Int'l Database Engineering & Applications Symposium (IDEAS), Banff, Canada, Sept. 6-8, 2007.
• Srividya Kadiyala and Nematollaah Shiri. "A Compact Multi-Resolution Index for Variable Length Queries in Time Series Databases", Journal of Knowledge and Information Systems (KAIS), Sept. 2007, ISSN: 0219-1377 (Print) 0219-3116 (Online), http://www.springerlink.com/content/a7x361137480hj72/
• V. Haarslev, Hsueh-Ieng Pai, and N. Shiri. "Optimizing tableau reasoning in ALC extended with uncertainty", in Proc. 20th Int'l Workshop on Description Logics (DL'07), Brixen-Bressanone, Italy, June 8-10, 2007.
• A. Alasoud, V. Haarslev, and N. Shiri. "A Multi Level Matching Algorithm for Combining Similarity Measures in Ontology Integration", in ODBIS VLDB-Workshop Post-proceedings, LNCS 4623, Springer-Verlag, ISSN 0302-9743, Berlin, Heidelberg, pp. 1-17, 2007.
• Xi Deng, V. Haarslev, and N. Shiri. "Using Patterns to Explain Inferences in ALCHI. Journal of Computational Intelligence, Vol. 23, No. 3, pp. 373-392, Blackwell Publishing, Boston MA, August 2007.
• Xi Deng, V. Haarslev, and N. Shiri. "Measuring Inconsistencies in Ontologies", in Proc. 4th European Semantic Web Conference (ESWC'07), LNCS, Springer, Innsbruck, Austria, June 3-7, 2007.
• Jung Hwa Chae and Nematollaah Shiri. "A Description Logic Framework for Access Control and Security in Object-Oriented Systems", in Proc. Int'l Joint Rough Set Symposium (JRS'07), Springer, LNAI 4482, pp. 565-573, Toronto, Canada, May 14-16, 2007.
• Jung Hwa Chae and Nematollaah Shiri. "Formalization of RBAC Policy with Object Class Hierarchy", in Proc. 3rd Information Security Practice and Experience Conference (ISPEC 2007), LNCS 4464, Springer, ISBN 978-3-540-72159-8, Hong Kong, China, May 7-9, 2007.
• M. Halachev, N. Shiri, and A. Thamildurai. "Efficient and Scalable Indexing Techniques for Biological Sequence Data", in Proc. 1st Int'l Conf. on Bioinformatics Research and Development (BIRD), LNBI 4414-0464, Springer, Berlin, Germany, March 12-14, 2007. Also available online at http://dx.doi.org/10.1007/978-3-540-71233-6_36
• S. Kannappady, S. Mudur, N. Shiri. "Clickstream Visualization Based on Usage Patterns", in Proc. 5th Indian Conf. on Computer Vision, Graphics and Image Processing (ICVGIP), Kalra, P., Peleg, S. (Eds.), LNCS 4338, Springer, Madurai, India, Dec. 13-16, 2006.
• B.S. Suryavanshi, N. Shiri, S. Mudur. "Adaptive Web Usage Profiling", in LNAI 4198, O. Nasraoui et al. (Eds.), Springer-Verlag, Berlin, Heidelberg, pp 119-138, 2006.
• S. Kannappady, S. Mudur, N. Shiri. "Visualization of Web Usage Patterns", in Proc. 10th IEEE Int'l Database Engineering & Applications Symposium (IDEAS), Delhi, Indea, December 11-14, 2006.
• A. Kiani and N. Shiri. "A Unified Model for Information Integration", poster in Proc. 14th Int'l Conf. on Cooperative Information Systems (CoopIS), Montpellier, France, November 1-3, LNCS 4277, 2006.
• B.S. Suryavanshi, N. Shiri, S. Mudur. "Analysis of Fuzzy Clustering Techniques Used for Web Personalization", in Proc. NAFIPS, Montreal, Canada, June 3-6, 2006.
• S. Kannappady, K. Demirli, S. Mudur, N. Shiri. "Application of Fuzzy Edge Detection for Fast Object-based Image Retrieval", in Proc. NAFIPS, Montreal, Canada, June 3-6, 2006.
• Xi Deng, V. Haarslev, and N. Shiri. "Resolution Based Explanations for Reasoning in ALC", in Proc. Canadian Semantic Web Working Symp. (CSWWS), June 6, Quebec City, Canada, 2006.
• V. Haarslev, Hsueh-Ieng Pai, and N. Shiri. "Towards a Formal System for Description Logics with Uncertainty", in Proc. Canadian Semantic Web Working Symp. (CSWWS), June 6, Quebec City, Canada, 2006.
• V. Haarslev, Hsueh-Ieng Pai, and N. Shiri. "Uncertainty Reasoning in Description Logics: A Generic Approach", in Proc. 19th Int'l FLAIRS Conf., Melbourne Beach, Florida, May 11-13, 2006.
• A. Nemalhabib and N. Shiri. "CLUC: A Natural Clustering Algorithm for Categorical Datasets based on Cohesion", in Proc. 21st ACM Symp. on Applied Computing (SAC), Dijon, France, April 23-27, 2006.
• V. Haarslev, Hsueh-Ieng Pai, and N. Shiri. " A Generic Framework for Description Logics with Uncertainty", CEUR Workshop on Uncertainty Reasoning for the Semantic Web (URSW), Vol. 173, Galway, Ireland, Nov. 7, 2005.
• A. Kiani and N. Shiri. "Containment of Conjunctive Queries with Arithmetic Expressions", in Proc. 13th Int'l Conf. on Cooperative Information Systems (CoopIS), Agia Napa, Cyprus, Oct. 31 - Nov. 4, 2005.
• A. Kiani and N. Shiri. "Answering Queries in Heterogeneous Information Systems", in Proc. ACM Workshop on Interoperability of Heterogeneous Information Systems (IHIS), Bremen, Germany, Nov. 4, 2005.
• M. Halachev, N. Shiri, and A. Thamildurai. "Exact Match Search in Sequence Data Using Suffix Trees", in Proc. ACM 14th Int'l Conf. on Information and Knowledge Management (CIKM), Bremen, Germany, Oct. 31 - Nov. 5, 2005.
• B.S. Suryavanshi, N. Shiri, S.P. Mudur. "Incremental Relational Fuzzy Subtractive Clustering for Dynamic Web Usage Profiling", in Proc. WEBKDD Workshop on Taming Evolving, Expanding and Multi-faceted Web Clickstreams, Chicago, USA, August 21, 2005.
• A. Alasoud, V. Haarslev, and N. Shiri. "A Hybrid Approach for Ontology Integration", in Proc. VLDB Workshop on Ontologies-based techniques for DataBases and Information Systems (ODBIS), Trondheim, Norway, Sept. 2-3, 2005.
• B.S. Suryavanshi, N. Shiri, S.P. Mudur. "Improving the Effectiveness of Model Based Recommender Systems for Highly Sparse and Noisy Web Usage Data", In IEEE/WIC/ACM Int'l Conf. on Web Intelligence (WI), Sept. 19-22, Compiegne, France, 2005.
• Deng X., Haarslev V., and Shiri N. "A Framework for Explaining Reasoning in Description Logics", In AAAI Int'l Symp. on "Explanation-Aware Computing", Washington DC, USA, November 3-6, 2005.
• Deng X., Haarslev V., and Shiri N. "A Resolution Based Framework to Explain Reasoning in Description Logics", In Int'l Workshop on Description Logics (DL), Edinburgh, Scotland, UK, July 26-28,2005.
• B.S. Suryavanshi, N. Shiri, S.P. Mudur. "A Fuzzy Hybrid Collaborative Filtering Technique for Web Personalization", In 3rd IJCAI Workshop on Intelligent Techniques for Web Personalization (ITWP), August 1, Edinburgh, Scotland, 2005.
• N. Shiri. "Expressive Power of Logic Frameworks with Uncertainty", In 18th Int'l FLAIRS Conference, Special Track on Uncertainty Reasoning, May 16-18, Florida, 2005.
• B.S. Suryavanshi, N. Shiri, S.P. Mudur. "An Efficient Technique for Mining Usage Profiles using Relational Fuzzy Subtractive Clustering", In IEEE Int'l Workshop on Challenges in Web Information Retrieval and Integration (WIRI), April 8-9, Tokyo, Japan, 2005.
• N. Shiri and Ali Taghizadeh. "Lineage Tracing in Mediator-Based Information Integration Systems", In 5th IEEE Int'l Symp. and School on Advance Distributed Systems (ISSADS), Jan. 24-28, Guadalajara, Mexico, 2005.
• A. Kiani and N. Shiri. "A Framework for Information Integration with Uncertainty", In 5th IEEE Int'l Symp. and School on Advance Distributed Systems (ISSADS), Jan. 24-28, LNCS 3563, Guadalajara, Mexico, 2005.
• Haarslev V., Lu Y., and Shiri N. "OntoXPL: Intelligent Exploration of OWL Ontologies", In Proc. Int'l IEEE/WIC/ACM Conf. on Web Intelligence (WI), September 20-24, Beijing, China, 2004.
• N. Shiri and Z.H. Zheng. "Challenges in Fixpoint Computation with Multisets", in Proc. 3rd Int'l Symp. on Foundations of Information and Knowledge Systems (FoIKS), pp. 273-290, LNCS 2942, Vienna, Austria, Feb. 17-20, 2004.
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