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.

[pdf] [full version on arXiv]

• 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]