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Current Research

Journal Papers

  1. Akhil Kumar, Wen Yao, Chao-Hsien Chu, 'Ensuring Flexible Business Process Compliance with Semantic Constraints using Mixed-Integer Programming (MIP), INFORMS Journal on Computing Summer 2013; Vol. 25, No. 3.
  2. Wen Yao and Akhil Kumar, CONFlexFlow: Integrating Flexible Clinical Pathways into Clinical Decision Support Systems using Context and Rules , Decision Support System 55 (2): 499-515 (2013).
  3. Z. Shan and Akhil Kumar, Optimal Adapter Creation for Process Composition in Synchronous vs. Asynchronous Communication, ACM Transactions on Management Information Systems, Volume 3, No. 2, July 2012.
  4. Kang Zhao and Akhil Kumar, Who Blogs What: Understanding the Publishing Behavior of Bloggers , World Wide Web , DOI 10.1007/s11280-012-0167-3. Published Online 17 May 2012.
  5. Akhil Kumar and Wen Yao, Design and Management of Flexible Process Variants using Templates and Rules, Computers in Industry (CII) 63(2):112-130. (2012) (PDF)  
  6. Z. Huang and A. Kumar, A Study of Quality and Accuracy Tradeoffs in Process Mining, INFORMS Journal on Computing, Vol. 24, No. 2, Spring 2012, 311-327. (PDF, Supplement).
  7. Kang Zhao, A. Kumar, and J. Yen, Achieving High Robustness in Supply Distribution Networks by Rewiring, IEEE Transactions on Engineering Management, Vol. 58, No. 2, May 2011, 347-362. (PDF).
  8. Kang Zhao, A. Kumar, T.P. Harrison and J. Yen, Analyzing the Resilience of Complex Supply Network Topologies against Random and Targeted Disruptions , IEEE systems Journal, Vol. 5., No. 1, March 2011, 28-39. (PDF).
  9. W.M.P van der Aalst, K. van Hee, J.M. van der Werf, A. Kumar and M. Verdonk, "Conceptual Model for online Auditing," Decision Support Systems 50 (2011) 636–647. (PDF)
  10. R. Liu and A. Kumar, "Leveraging Information Sharing to Configure Supply Chains," Information Systems Frontiers, 13 (1): 139-151 (2011), March 2011. Online: http://www.springerlink.com/content/h328hjq7686t1673. 
  11. R. Eshuis and A. Kumar, " An Integer Programming based Approach for Verification and Diagnosis of Workflows," Data and Knowledge Engineering, 69 (2010) 816835, August 2010. (PDF)
  12. R. Liu, A. Kumar and W.M.P. van der Aalst , "A formal modeling approach for supply chain event management," Decision Support Systems 43, 3 (April 2007) 761-778.
  13. J. Wainer, A. Kumar and P. Barthelmess, DW-RBAC: A Formal Security Model of Delegation and Revocation in Workflow Systems," Information Systems , Volume 32, Issue 3, May 2007, Pages 365-384.
  14. S. Sun, A. Kumar, J. Yen, "Merging workflows: A new perspective on connecting business Processes," Decision Support Systems , Volume 42, Issue 2, November 2006, Pages 844-858 .
  15. Kumar, A. and J. Wainer, " Meta workflows as a Control and Coordination Mechanism for Exception Handling in Workflow Systems," Decision Support Systems , 40 (July 2005) 89-105.(PDF)
  16. H.M.W. Verbeek, W.M.P. van der Aalst and A. Kumar, XRL/Woflan, "Verification and Extensibility of an XML/Petri-net-based language for inter-organizational workflows," Information Technology and Management, 5 (1-2): 65-110, January - April, 2004. (PDF)
  17. J. Wainer, P. Barthelmess and A. Kumar, W-RBAC - A workflow security model incorporating controlled overriding of constraints, International Journal on Cooperative Information Systems, Vol. 12, No. 4 (2003) 455-485.
  18. W.M.P. van der Aalst and A. Kumar, XML Based Schema Definition for Support of Inter-organizational Workflow, Information Systems Research, Vol. 14, No. 1, 23-47, March 2003.
  19. Basu and A. Kumar, Research Commentary: Workflow Management Systems in e-Business, Information Systems Research, Vol. 13, No. 1, March 2002, 1-14.
  20. Kumar, A., W.M.P. van der Aalst and H.M.W. Verbeek, Dynamic Work Distribution in Workflow Management Systems: How to balance quality and performance, Journal of MIS, Winter 2001-2002, Vol. 18, No. 3, 157-193.
  21. Kumar, A., and Zhao, L., Workflow Support for Electronic Commerce Applications, Decision Support Systems 32 (2002) 265-278, January 2002.
  22. W.M.P. van der Aalst and A. Kumar, A Reference Model for Team-Enabled Workflow Management Systems, Data and Knowledge Engineering 38 (2001) 335-363, September 2001.
  23. Kumar, A., An Efficient Algorithm for Solving the Partial Sum Query Problem, Information Sciences, 137 (2001) 245-258, Vol. 137, No. 1-4, September 2001.
  24. Zhao, L., Kumar, A., and Stohr, E. A., Workflow-centric Information Distribution through Email, Journal of Management Information Systems, Winter 2000 2001, Vol. 17, No. 3, 45-72.
  25. Kumar, A., An Efficient SuperGrid Protocol for High Availability and Load Balancing, IEEE Transactions on Computers, Volume 49, No. 10, October 2000, 1126-1133.
  26. Kumar, A., and Zhao, L., "Dynamic Routing and Operational Controls in a Workflow Management System," Management Science, Volume 45, No. 2, February 1999, 253-272.
  27. Kumar, A. and Olmeda, I., "A Study of Composite classifiers for knowledge discovery," INFORMS Journal on Computing, Volume 11, No. 3, Summer 1999, 267-277. 
  28. Kumar, A., "A New algorithm for Distributed Consensus," Distributed and Parallel Databases, 7(4), 415-427 (1999).
  29. Zhao, L., and Kumar, A., "Data Management Issues for Large Scale, Distributed Workflow Systems on the Internet," DATA BASE (invited paper), Vol. 29, No. 4, Fall 1998.
  30. Kumar, A. and N. Adly, "HPP: A Reliable Causal Broadcast Protocol for Large Scale Replication in Wide Area Networks," Computer Journal,    Volume 41, No. 2, 1998.  
  31. Kumar, A., "New Techniques for data reduction in database systems for knowledge discovery applications," Journal of Intelligent Information Systems, 10:1, 31-48 (1998).
  32. Kumar, A., W. Muhanna and R. Patterson, " Mean-Variance Analysis of the Performance of Spatial Clustering Methods," International Journal of  Geographical Information Sciences, Vol. 12, No. 3, 269-289, 1998.
  33. Kumar, A. and Malik, K., "Optimizing the Costs of Hierarchical Quorum Consensus," Acta Informatica, Vol. 33, No. 3, May 1996, 255-275. 
  34. Kumar, A., V. Rao and H. Soni, "An Empirical Comparison of Neural Networks and Logistic Regression Methods, " Marketing Letters 6:4 (1995): 251-263.    
  35. Kumar, A., "G-Tree:  A New Data Structure for Organizing Multi-dimensional Data," IEEE Transactions on Knowledge and Data Engineering, Vol. 6, No. 2, April 1994, 341-347.
  36. Kumar, A. and Segev, A., "Cost and Availability Tradeoffs in Replicated Data Concurrency Control," ACM Transactions on Database Systems, Vol. 18, No. 1, March 1993, 102-131.
  37. Kumar, A., "Hierarchical Quorum Consensus: A New Algorithm for Managing Replicated Data," IEEE Transaction on Computers, September 1991, 996-1004.
  38. Kumar, A. and Cheung, S.Y., "A High Availability Sqrt(N) Hierarchical Grid Algorithm for Replicated Data," Information Processing Letters, December 1991, 311-316.
  39. Kumar, A. and Malik, K., "Voting Mechanisms in Distributed Systems,"IEEE Transactions on Reliability, December 1991, 593-600.
  40. Kumar, A. and Stonebraker, M., "Performance Considerations for an Operating System Transaction Manager, "IEEE Transactions on Software Engineering, Vol. 15, No. 6, June 1989, 705-714.

International Conference Proceedings

  1. David Knuplesch, Manfred Reichert, Linh Thao Ly, Akhil Kumar , Stefanie Rinderle-Ma, Visual Modeling and Semantics of Business Process Compliance Rules with the Support of Multiple Perspectives, ER 2013, Hong Kong, November 2013 (forthcoming).
  2. Jerry Rolia, Wen Yao, Sujoy Basu, Wei-Nchih Lee, Sharad Singhal, Akhil Kumar and Sharat Sabbella, Tell Me What I Don't Know - Making the most of Social Health Forums, IEEE International Conference on Healthcare Informatics (ICHI) , Philadephia, September 2013 (forthcoming).
  3. Akhil Kumar, R.M. Dijkman and Minseok Song, Optimal resource assignment in workflows for maximizing cooperation, International BPM Conference, Beijing, F. Daniel, J. Wang, and B. Weber (Eds.): BPM 2013, LNCS 8094, 235250, 2013.
  4. Wen Yao Jerome A. Rolia Sujoy Basu Sharad Singhal , Akhil Kumar: A Context-Aware framework for patient Navigation and Engagement (CANE).  CollaborateCom 2012 : 316-325.
  5. Wen Yao , Akhil Kumar,  Jerome A. Rolia Sujoy Basu Sharad Singhal : Towards a Formal Process-driven Framework for Streamlining Patient-centric Care.  CAiSE Forum 2012 : 179-186. Wen Yao and Akhil Kumar, Integrating Clinical Pathways into CDSS using Context and Rules A Case Study in Heart Disease, 2nd ACM SIGHIT International Health Informatics Symposium (IHI 2012), Miami, FL, January 2012, 611-620.
  6. A. Kumar, A.K.Sen, M. H. Sundari and A. Bagchi. Semantic Notions of Weakly Correct AND/XOR Business Workflows based on Partial Synchronization. IEEE Services Computing Conference, IEEE SCC 2011 : 128-135, July 2011, Washington, DC. .
  7. Zhe Shan, Akhil Kumar and Rong Liu. Creating a Minimal Adapter for Multiple Business Process Composition. Proceedings of the Twentieth Workshop on Information Technology and Systems (WITS 2010), St. Louis, December 11-12, 2010, 272-277. (Best Paper Nominee)
  8. Kang Zhao, Akhil Kumar, Massimiliano Spaziani and John Yen. Who Blogs What: Understanding Behavior, Impact and Types of Bloggers. Proceedings of the Twentieth Workshop on Information Technology and Systems (WITS 2010), St. Louis, December 11-12, 2010, 176-181.
  9. A. Kumar, Wen Yao, Chao Chu, and Zang Li. Ensuring Compliance with Semantic Constraints in Process Adaptation with Rule-Based Event Processing. The International RuleML Symposium on Rule Interchange and Applications, RULEML-2010, Washington, DC, October 2010. Springer, 50-65. (PDF)
  10. Zhe Shan , Akhil Kumar, Paul Grefen : Towards Integrated Service Adaptation. IEEE Interntaional Conference on Web Services, ICWS 2010: 385-392.
  11. Kang Zhao, A. Kumar, and John Yen. " Effect of topology on the robustness of supply networks metrics and results," Proceedings of the Nineteenth Workshop on Information Technology and Systems (WITS 2009), Phoenix, December 14-15, 2009, 97-102.
  12. Wen Yao, Chao Chu, A. Kumar, and Zang Li. "Using Ontology to Support Context Awareness in Healthcare," Proceedings of the Nineteenth Workshop on Information Technology and Systems (WITS 2009), Phoenix, December 14-15, 2009, 43-48.
  13. A. Kumar and W. Yao, "Process Materialization using Templates and Rules to Design Flexible Process Models," The International RuleML Symposium on Rule Interchange and Applications, RULEML-2009, Las Vegas, November 2009, 122-136.
  14. A. Kumar, Z. Shan. Algorithms Based on Pattern Analysis for Verification and Adapter Creation for Business Process Composition, CoopIS'08, OTM Conferences, Monterrey, Mexico, November 2008, 120-138.
  15. A. Kumar and R. Liu. A Rule-Based Framework to Design Compliant Business Processes Using Role Patterns, The International RuleML Symposium on Rule Interchange and Applications, RULEML-2008, Orlando, Florida: October 30-31, 2008, 58-72.
  16. Z. Huang and A. Kumar. New Quality Metrics for Evaluating Process Models, Proceedings BPM 2008 International Workshops, Milan, Italy, Sept. 2008, 164-170, Springer LNCS.
  17. Liu, R., Kumar, A., and Stenger, A. J. 2006. Simulation results for supply chain configurations based on information sharing. In Proceedings of the 37th Conference on Winter Simulation ( Monterey , California , December 03 - 06, 2006). L. F. Perrone, B. G. Lawson, J. Liu, and F. P. Wieland, Eds. Winter Simulation Conference. Winter Simulation Conference, 627-635.
  18. A. Kumar, "Mining and Querying Business Process Logs," KDD Workshop on Data Mining for Business Applications (affiliated with KDD conference), August 2006, Philadelphia .
  19. J. Wang and A. Kumar, " Exception Handling Using Task Substitution and Delegation in Resource-Driven Workflow Systems," Proceedings of 15h Annual Workshop on Information Technologies and Systems (WITS 2006) , Las Vegas , December 10-11, 2005, 147-152.
  20. R. Liu and A. Kumar, "An Analysis and Taxonomy of Unstructured Workflows," Third International Conference on Business Process Management
    (BPM 2005),
    Nancy, France, Springer-Verlag, Lecture Notes in Computer Science, September 2005.
  21. J. Wang and A. Kumar , "A Framework for Document-Driven Workflow Systems," Third International Conference on Business Process Management   (BPM 2005) , Nancy, France, Springer-Verlag, Lecture Notes in Computer Science, September 2005.
  22. . Wainer and A. Kumar, "A fine grained, controllable user-to-user delegation method in RBAC," Proceedings of the 10th ACM Symposium on Access Control Models and Technologies , Stockholm , June 2005, 59-66 (ACM Press)
  23. R. Liu, A. Kumar and W. v.d. Aalst , "A formal modeling approach for supply chain management," Proceedings of 14th Annual Workshop on Information Technologies and Systems (WITS 2004) , Washington , D.C. , December 11-12, 2004 , 110-115.
  24. H.H.Bi and A. Kumar, 2004. "A canonical form for the definition, querying, and manipulation of Workflows," Proceedings of the Fourteenth Workshop on Information Technology and Systems (WITS 2004) , Washington , D.C. , December 11-12, 2004 , 26-31.
  25. S. Sarnikar, J. L. Zhao, and A. Kumar, "Organizational Knowledge Distribution: An Experimental Evaluation," Proceedings of the Tenth Americas  Conference on Information Systems, New York City, August 2004. (Best paper nominee)
  26. R. Liu and A. Kumar,"Leveraging Information Sharing to Increase Supply Chain Configurability," Proceedings of the Twenty-Fourth International Conference on Information Systems, Seattle, December 2003. 
  27. A. Kumar, J. Wainer, Z. Zhang, " Meta-workflows and ESP: A Framework for Coordination, Exception Handling, and Adaptability in WorkflowSystems," CAiSE'03 Workshop  on Web Services, e-Business, and the Semantic Web (WES), Austria, June 2003.  (Proceedings to be published by Springer-Verlag publishers). 
  28. W.M.P. van der Aalst, A. Kumar, H.M.W. Verbeek, "Organizational Modeling in UML and XML in the context of Workflow Systems," ACM Symposiumon Applied Computing, Melbourne, Fl, March 2003.
  29. Kumar, A., "Organizing an Optimal Hierarchy of Web Pages Based on Access Frequency," Workshop on Information Technology and Systems (WITS), 181-186, Barcelona, Spain, December 2002.
  30. Kumar, A., and Zhao, L., " EROICA: A Rule-based Approach to Organizational Policy Management in Workflow Systems," Proceedings of WAIM'02 Conference, Beijing, August 2002. (Published by Springer-Verlag: X. Meng, J. Su, and Y. Wang (Eds.), LNCS 2419,201−212, 2002, Berlin Heidelberg 2002). 
  31. W.M.P. van der Aalst, H.M.W. Verbeek, and A. Kumar, "XRL/Woflan: Verification and extensibility of an XML/Petri-net based language for inter- organizational workflows," Proceedings of the 6th Informs Conference on Information Systems and Technology (CIST 2001), Miami Beach, Fl, 30-45, November 2001. (This paper received the best paper award at the conference.)
  32. V. Christophides, R. Hull, G. Karvounarakis, A. Kumar, G. Tong, M. Xiong: Beyond Discrete E-Services: Composing Session-Oriented Services in Telecommunications. TES 2001: 58-73.
  33. V. Christophides, R. Hull, A. Kumar, "Querying and Splicing of Workflows," Sixth International Conference on Cooperative Information Systems  (CoopIS 2001), In Cooperation with VLDB 2001, Trento, Italy, September 2001, 386-402. 
  34. W.M.P. van der Aalst, H. M. W. Verbeek and A. Kumar, “Verification of XRL: An XML-based Workflow Language, Proceedings of the Sixth International Conference on Computer Supported Cooperative Work in Design, 427-432, London, Ontario, Canada, July 2001.
  35. Zhao, L., Kumar, A., and E. Stohr, A Dynamic Grouping Technique for Distributing Codified-Knowledge in Large Organizations, Workshop on Information Technology and Systems (WITS), Sydney, Australia, December 2000.
  36. Hull, R., Kumar, A., and Simeon, J., Smart Supply Web: An application of Web-based data and workflow mediation, Workshop on Technologies for E-Services (VLDB-TES Workshop), Cairo, September 2000.
  37. Kumar, A., and T. Camp, "A New Matching Algorithm for Managing Location Information in Mobile Computing," Proceedings of the19th IEEE International Conference on Performance, Computing, and Communications (IPCCC 2000), Phoenix, Arizona, February 2000.
  38. Kumar, A., " A Framework for handling delegation in Workflow Management Systems," Workshop on Information Technology and Systems (WITS), Charlotte, December 1999.
  39. Zhao, L., Kumar, A., and E. Stohr, A Workflow-centric Study of Organizational Knowledge Distribution, 33rd Hawaii International Conference on Systems Sciences, January 2000.
  40. Kumar, A., and Zhao, L., XRL: An Extensible Routing Language for Electronic Commerce Applications, International Conference on Telecommunications and Electronic Commerce (ICTEC), Nashville, TN, November 1998. 
  41. Kumar, A., "A randomized algorithm for distributed consensus," IEEE Symposium on Reliable Distributed Systems, Purdue University, W. Lafayette, IN, October 1998.
  42. Kumar, A., and Zhao, L., "Architectures and Techniques for Large-Scale, Distributed Workflow Management on the Internet," Workshop on Information Technology and Systems, Atlanta, December 1997. 
  43. Kumar, A., and I. Olmeda, "Hybrid Classifiers for Knowledge Discovery," Proceedings INFORMS Conference on Information Systems and Technology, San Diego, May 1997
  44. Kumar, A., and Zhao, L., "A Framework for Dynamic Routing and Operational Integrity Controls in a Workflow Management System," 29th Hawaii International Conference on Systems Sciences, January 1996, 492-501.
  45. Adly, N., and Kumar, A., " HPP: A Hierarchical Propagation Protocol for Large Scale Replication in Wide Area Networks," Seventh InternationalConference on Computing and Information, Peterborough, ON, Canada, July 1995.
  46. Kumar, A., "A Study of Spatial Clustering Techniques, " Lecture notes in Computer Science 856, Springer-Verlag, September 1994, 57-71. (Proceedings of the Fifth International DEXA conference, Athens, Greece.)
  47. Cheung, S.Y. and Kumar, A., "Efficient Solution Techniques for the Quorumcast Problem," Proceedings of IEEE Infocom 94, Toronto, Canada, 840-847.
  48. Kumar, A., M. Rabinovich and R. Sinha, "A Performance Study of General Grid Structures for Replicated Data, " IEEE International Conference on Distributed Computing Systems, " Pittsburgh, May 1993, 178-185. 
  49. Kumar, A., "Techniques for Indexing Large Numbers of Rules and Constraints in a Database System," Proceedings of the Fourth International Conference on Database and Expert System Applications (DEXA), Valencia, Spain, September 1992, 65-71 (Springer-Verlag Publishers).
  50. Kumar, A., "A Randomized Voting Algorithm," Proceedings of the Eleventh IEEE International Conference on Distributed Systems, Arlington, TX, May 1991, 412-419.
  51. Kumar, A., "A New Approach for Conflict Resolution and Rule Processing in a Knowledge-Based System," Proceedings of the Eleventh International Conference on Information Systems, Copenhagen, Denmark, December 1990, 15-23.
  52. Kumar, A., "Performance Analysis of a Hierarchical Quorum Consensus Algorithm for Replicated Objects," Proceedings of the Tenth IEEE International Conference on Distributed Computing Systems, Paris, France, June 1990, 378-385.
  53. Kumar, A., "An Analysis of Borrowing Policies for Escrow Transactions in a Replicated Data Environment," Proceedings of the Sixth IEEE International Conference on Data Engineering, Los Angeles, CA, February 1990, 446-454.
  54. Kumar, A., "A Crash Recovery Algorithm Based on Multiple Logs that Exploits Parallelism," Proceedings of the Second IEEE Symposium on Parallel and Distributed Processing, Dallas, TX, December 1990, 156-159.
  55. Kumar, A. and Segev, A., "Optimizing and Evaluating Algorithms for Replicated Data Concurrency Control," Proceedings of the Ninth IEEE International Conference on Distributed Computing Systems, Newport Beach, CA, June 1989, 101-109.
  56. Kumar, A. and Segev, A., "Optimizing Voting-Type Algorithms for Replicated Data," Lecture Notes in Computer Science, Vol. 303, J.W. Schmidt, S. Ceri, and M. Misekoff (eds.), Springer-Verlag, March 1988, 428-442. (Proceedings of the First International Conference on Extending Database Technology, Venice, Italy.)
  57. Kumar, A. and Stonebraker, M., "Semantics Based Transaction Management Techniques for Replicated Data," Proceedings 1988 ACM SIGMOD (Special Interest Group on Management of Data) Conference, Chicago, Il  June 1988, 117-125.
  58. Kumar, A. and Stonebraker, M., "Performance Evaluation of an Operating System Transaction Manager," Proceedings of the Thirteenth International VLDB (Very Large Databases) Conference, Brighton, U.K., September 1987, 473-481.

Book Chapters/Newsletters/Other Publications

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