Publications
PhD Thesis
- Hierarchical Goal Network Planning: Formalisms and Algorithms for Planning and Acting
Department of Computer Science, University of Maryland College Park, May 2015.
[pdf]
Journal Articles
2018
- Extending Classical Planning with State Constraints: Heuristics and Search for Optimal Planning
Patrik Haslum, Franc Ivankovic, Miquel Ramirez, Dan Gordon, Sylvie Thiebaux, Vikas Shivashankar, Dana S. Nau
Journal of Artificial Intelligence Research, Volume 62, pg 373-431.
[pdf]
Refereed Conference and Workshop Papers
2017
- Incorporating Domain-Independent Planning Heuristics in Hierarchical Planning
Vikas Shivashankar, Ron Alford and David Aha
Thirty-First AAAI Conference on Artificial Intelligence (AAAI), San Francisco, CA.
[pdf]
2016
- Cost-optimal Algorithms for Planning with Procedural Control Knowledge
Vikas Shivashankar, Ron Alford, Mark Roberts, and David Aha
Twenty-Second European Conference on Artificial Intelligence (ECAI), The Hague, Holland.
- Cost-optimal Algorithms for Hierarchical Goal Network Planning: A Preliminary Report
Vikas Shivashankar, Ron Alford, Mark Roberts, and David Aha
ICAPS Workshop on Heuristics and Search for Domain-independent Planning (HSDIP). London, UK.
[pdf]
Remark: This is a preliminary version of the ECAI 2016 paper.
- Goal Reasoning, Planning, and Acting with ActorSim, the Actor Simulator
Mark Roberts, Vikas Shivashankar, Ron Alford, Michael Leece, Shubham Gupta, and David Aha
Fourth Conference on Advances in Cognitive Systems (ACS), Evanston, IL.
[pdf]
- ActorSim: A toolkit for studying goal reasoning, planning, and acting
Mark Roberts, Ron Alford, Vikas Shivashankar, Michael Leece, Shubham Gupta, and David Aha.
ICAPS Workshop on Planning and Robotics (PlanRob), London, UK.
[pdf]
Remark: This is a preliminary version of the ACS 2016 paper.
- Hierarchical Planning: Relating Task and Goal Decomposition with Task Sharing
Ron Alford, Vikas Shivashankar, Mark Roberts, Jeremy Frank, and David Aha
Twenty-Fifth International Joint Conference on Artificial Intelligence (IJCAI), New York, NY.
[pdf]
2014
- Optimal Planning with Global Numerical State Constraints
Franc Ivankovic, Patrik Haslum, Sylvie Thiebaux, Vikas Shivashankar, and Dana Nau
Twenty-Fourth International Conference on Automated Planning and Scheduling (ICAPS), Portsmouth, NH.
[Winner of the best student paper award] [pdf]
- On the Feasibility of Planning Graph Style Heuristics for HTN Planning
Ron Alford, Vikas Shivashankar, Ugur Kuter, and Dana Nau
Twenty-Fourth International Conference on Automated Planning and Scheduling (ICAPS), Portsmouth, NH.
[pdf]
- Towards Integrating Hierarchical Goal Networks and Motion Planners to Support Planning for Human-Robot Teams
Vikas Shivashankar, Krishnanand Kaipa, Dana Nau, and S. K. Gupta
IROS Workshop on AI and Robotics. Chicago, IL.
[pdf]
- Towards Integrating Hierarchical Goal Networks and Motion Planners to Support Planning for Human Robot Collaboration in Assembly Cells
Vikas Shivashankar, Krishnanand Kaipa, Dana Nau, and S K Gupta
AAAI Fall Symposium on AI for HRI, Arlington, VA.
[pdf]
2013
- The GoDeL Planning System: A More Perfect Union of Domain-Independent Planning and Hierarchical Planning
Vikas Shivashankar, Ron Alford, Ugur Kuter and Dana Nau
Twenty-Third International Joint Conference on Artificial Intelligence (IJCAI), Beijing, China.
[pdf]
- Hierarchical Goal Networks and Goal-Driven Autonomy: Going where AI Planning Meets Goal Reasoning
Vikas Shivashankar, Ron Alford, Ugur Kuter and Dana Nau
ACS Workshop on Goal Reasoning, Baltimore, MD.
[pdf]
2012
- HTN Problem Spaces: Structure, Algorithms, Termination
Ron Alford, Vikas Shivashankar, Ugur Kuter and Dana Nau
Fifth Annual Symposium on Combinatorial Search (SoCS), Niagara Falls, Canada.
[pdf]
- A Hierarchical Goal-Based Formalism and Algorithm for Single-Agent Planning
Vikas Shivashankar, Ugur Kuter, Dana Nau and Ron Alford
Eleventh International Conference on Autonomous Agents and Multiagent Systems (AAMAS), Valencia, Spain.
[pdf]
2011
- Real-Time Planning for Covering an Initially-Unknown Spatial Environment
Vikas Shivashankar, Rajiv Jain, Ugur Kuter, and Dana Nau
Twenty-Fourth International FLAIRS Conference (FLAIRS), Palm Beach, Florida.
[pdf]
2010
- A Fault-model-based Debugging Aid for Data Warehouse Applications
Peter Struss, Vikas Shivashankar, and Mohamed Zahoor
Prestigious Applications of Intelligent Systems Track (PAIS)
Nineteenth European Conference on Artificial Intelligence (ECAI), Lisbon, Portugal.
[pdf]
- Debugging Support for Data Warehouse Applications
Peter Struss, Vikas Shivashankar, and Mohamed Zahoor
Annual International Academic Conference on Business Intelligence and Data Warehousing (BIDW), Singapore.
[pdf]
2009
- Modeling for Fault Localization in Data Warehouse Applications
Peter Struss, Vikas Shivashankar, and Mohamed Zahoor
Twenty-Third International Workshop on Qualitative Reasoning (QR). Ljubljana, Slovenia.
[pdf]