Cognitive Extension and the Web (2009)
Smart, Paul R, Engelbrecht, Paula C, Braines, Dave, Strub, Michael, Hendler, James A
There has been a growing interest in recent years regarding the relationship between social interaction processes, technological artefacts and human cognition. Human cognition, it is argued, is often...
Semantic Interoperability and Information Fluidity (2008)
Guofei Jiang, George Cybenko, James A. Hendler
Ontologies are developed to describe data semantics on the Semantic Web. Given the distributed nature and scale of the Semantic Web, a large number of ontologies with different terminologies and...
Jeffrey Douglas Heflin, Doctor Of Philosophy, Dissertation Professor, James A. Hendler, Jeffrey Douglas Heflin
The World Wide Web is an information resource with virtually unlimited potential. However, this potential is relatively untapped because it is difficult for machines to process and integrate this...
Software Configuration Management Using Ontologies (2008)
Hamid Haidarian Shahri, James A. Hendler, Adam A. Porter
Abstract. Configuration management is an important problem in large software systems. When dealing with hundreds of components, keeping track of version changes and various dependency constraints...
To appear, AAAI-99 Using Planning Graphs for Solving HTN Planning Problems (2008)
Amnon Lotem, Dana S. Nau, James A. Hendler
In this paper we present the GraphHTN algorithm, a hybrid planning algorithm that does Hierarchical Task-Network (HTN) planning using a combination of HTNstyle problem reduction and Graphplan-style...
Jeffrey Douglas Heflin, Doctor Of Philosophy, Dissertation Professor, James A. Hendler, Jeffrey Douglas Heflin
The World Wide Web is an information resource with virtually unlimited potential. However, this potential is relatively untapped because it is difficult for machines to process and integrate this...
Jeffrey Douglas Heflin, Doctor Of Philosophy, Dissertation Professor, James A. Hendler
The World Wide Web is an information resource with virtually unlimited potential. However, this potential is relatively untapped because it is difficult for machines to process and integrate this...
Jeffrey Douglas Heflin, Doctor Of Philosophy, Dissertation Professor, James A. Hendler
The World Wide Web is an information resource with virtually unlimited potential. However, this potential is relatively untapped because it is difficult for machines to process and integrate this...
defProviding Computationally Effective Knowledge Representation via Massive Parallelism (2007)
W. J. Maas, Matthew Evett, William A. Andersen, James A. Hendler
PARKA is a frame-based knowledge representation system implemented on the Connection Machine. PARKA provides a representation language consisting of concept descriptions (frames) and binary relations...
Dynamic Reaction on the Maruti Hard Real-Time Operating System (2007)
Robert C. Kohout, David J. Musliner, James A. Hendler
The search-based techniques of classical AI Planning systems are ill-suited to the demands of highly dynamic and complex environments. As a result, research has turned towards stimulusdriven...
Supporting Intelligent Real-Time Control: Dynamic Reaction on the Maruti Operating System (2007)
Robert C. Kohout, James A. Hendler, David J. Musliner, Ashok K. Agrawala
AI Planning researchers have addressed the need for timely response to unanticipated and/or unpredictable events in dynamic environments by developing "reactive" systems, which are...
The Case for Structure-based Representations (2007)
Kathryn E. S, Brian P. Kettler, James A. Hendler
Case-based reasoning involves reasoning from cases: specific pieces of experience, the reasoner's or another's, that can be used to solve problems. As a result, case representation is...
Semantic Integration Portal (2007)
McRae-Spencer, Duncan, Braines, Dave, Hendler, James A, Smart, Paul R, Shadbolt, Nigel R
The Semantic Integration Portal is a demonstration of the potential capabilities of Semantic Web applications in a knowledge-rich context. Source data is taken from different online terrorist...
Semantic Integration Portal (2007)
McRae-Spencer, Duncan, Braines, Dave, Hendler, James A, Smart, Paul R, Shadbolt, Nigel R
The Semantic Integration Portal is a demonstration of the potential capabilities of Semantic Web applications in a knowledge-rich context. Source data is taken from different online terrorist...
A Framework for Web Science (2006)
Berners-Lee, Tim, Hall, Wendy, Hendler, James A., O'Hara, Kieron, Shadbolt, Nigel, Weitzner, Daniel J.
This text sets out a series of approaches to the analysis and synthesis of the World Wide Web, and other web-like information structures. A comprehensive set of research questions is outlined,...
A Framework for Web Science (2006)
Berners-Lee, Tim, Hall, Wendy, Hendler, James A., O'Hara, Kieron, Shadbolt, Nigel, Weitzner, Daniel J.
This text sets out a series of approaches to the analysis and synthesis of the World Wide Web, and other web-like information structures. A comprehensive set of research questions is outlined,...
A Framework for Web Science (2006)
Berners-Lee, Tim, Hall, Wendy, Hendler, James A., O'Hara, Kieron, Shadbolt, Nigel, Weitzner, Daniel J.
This text sets out a series of approaches to the analysis and synthesis of the World Wide Web, and other web-like information structures. A comprehensive set of research questions is outlined,...
Additive versus Multiplicative Clause Weighting for SAT (2004)
Thornton, John, Pham, Duc Nghia, Bain, Stuart, Ferreira, Valnir, David Leake (Editor-in Chief), James A. Hendler (Chair)
Yes
James A. Hendler, Jaime Montemayor, Jaime Montemayor
StoryRooms is a child-centered ubiquitous computing environment (ubicomp) devel-oped for young children to expresses stories. Physical programming is a set of tangible tools and user interaction...
Representing Attitudes: Some Primitive States. (2002)
Schank,Roger C., Wilensky,Robert, Kolodner,Janet L., Hendler,James A.
A natural language utterance may denote an attitude--a disposition of a person toward another person, object, activity, or state. In order to represent the meaning of such utterances, the writers...
Knowledge Representation in PARKA. (1998)
Spector, Lee, Hendler, James A., Evett, Matthew P.
This paper describes a frame-based knowledge representation system called PARKA which runs on the Connection Machine. The PARKA language was designed to take advantage of the Connection Machine...
Format and Parka: A Technology Integration Experiment and Beyond (1998)
Hendler, James A., Stoffel, Kilian, Mulvehill, Alice
This report describes a Technology Integration Experiment between the University of Maryland and Mitre Corp. which was undertaken as part of the DARPA/Rome Laboratory Planning Initiative (ARPI). This...
A Critical Look at Critics in HTN Planning (1998)
Erol, Kutluhan, Hendler, James A., Nau, Dana S., Tsuneto, Reiko
Detecting interactions and resolving conflicts is one of the key issues for generative planning systems. Hierarchical Task Network (HTN) planning systems use critics for this purpose. Critics have...
UM Translog: A Planning Domain for the Development and Benchmarking of Planning Systems (1998)
Andrews, Scott, Kettler, Brian P., Erol, Kutluhan, Hendler, James A.
The last 20 years of Artificial Intelligence (AI) planning research has discovered a wide variety of planning techniques, such as state-space search, hierarchical planning, case-based planning, and...
Semantics for Hierarchical Task-Network Planning (1998)
Erol, Kutluhan, Hendler, James A., Nau, Dana S.
One big obstacle to understanding the nature of hierarchical task network (HTN) planning has been the lack of a clear theoretical framework. In particular, no one has yet presented a clear and...
Supervenient Hierarchies of Behaviors: Lessons Learned from a Vacuuming Robot (1998)
Seeliger, Oliver, Hendler, James A.
In this paper, the authors describe the use of behavior hierarchies based on "merging" two models of multi-layer architecture: the supervenience model and the subsumption model. The behavior...
Merwyn G. Taylor, James A. Hendler, Joel Saltz, Kilian Stoffel
An increase in the speed of data mining algorithms can be achieved by improving the efficiency of the underlying technologies. Query engines are key components in many knowledge discovery systems and...
Merwyn G. Taylor, James A. Hendler, Kilian Sto El, Joel Saltz
Abstract An increase in the speed of data min-ing algorithms can be achieved by improving the ef-ciency of the underlying technologies. Query en-gines are key components in many knowledge dis-covery...
Merwyn G. Taylor, Kilian Stoffel, James A. Hendler, Joel Saltz
An increase in the speed of data mining algorithms can be achieved by improving the efficiency of the underlying technologies. Query engines are key components in many knowledge discovery systems and...
Coordination and Learning in Multirobot Systems (1998)
Maja Mataric, James A. Hendler
duce the desired system behavior. This behavior results from . the interaction dynamics between the robots and their environment (including other robots and potentially the user) and . the biases and...
Towards a Conversational Case-based Planning Tool (1998)
Héctor Muñoz-Avila, James A. Hendler, David W. Aha
Case-based planning (CBP) systems are an important class of case-based reasoner (CBR) systems, and thus a large amount of research has addressed their design and performance. Most of this work has...
Validation Structure Based Theory of Plan Modification and Reuse, (1997)
Kambhampati, Subbarao, Hendler, James A.
A framework for the flexible and conservative modification of plans enables a planner to modify its plans in response to incremental changes in their specifications, to reuse its existing plans in...
ForMAT and Parka: A Technology Integration Experiment and Beyond. (1997)
Hendler, James A., Stoffel, Kilian, Rager, D., Mulvehill, Alice
This report describes a Technology Integration Experiment between the University of Maryland and Mitre Corp. which was undertaken as part of the (D)Arpa/Rome Laboratory Planning Initiative (ARPI)....
Language, Behaviors, Hybrid Architectures and Motion Control (1997)
Manikonda, V., Krishnaprasad, P.S., Hendler, James A.
In this paper we put forward a framework that integrates features of reactive planning models with modern control-theory-based approaches to motion control of robots. We introduce a motion...
The Case for Graph-Structured Representations (1997)
Kathryn E. Sanders, Brian P. Kettler, James A. Hendler
Abstract. Case-based reasoning involves reasoning from cases: specific pieces of experience, the reasoner's or another's, that can be used to solve problems. We use the term...
Ontology-based Induction of High Level Classification Rules (1997)
Merwyn G. Taylor, Kilian Stoffel, James A. Hendler
A tool that could be beneficial to the data mining community is one that facilitates the seamless integration of knowledge bases and databases. This kind of tool could form the foundation of a data...
Advances in High Performance Knowledge Representation (1996)
Stoffel, K., Taylor, M., Hendler, James A., Saltz, J., Andersen, William
Real world applications are demanding that KR systems provide support for knowledge bases containing millions of assertions. We present Parka-DB, a high-performance reimplementation of the Parka KR...
Structural Classification (1996)
Jana Koehler, Kilian Stoffel, James A. Hendler
A new type of classification algorithm is introduced that works on the folded representation of concepts. The algorithm comprises two phases: a preprocessing phase working on the normal-form...
Guaranteeing Safety in Spatially Situated Agents (1996)
Robert Kohout James, James A. Hendler, David J. Musliner
"Mission-critical" systems, which include such diverse applications as nuclear power plant controllers, "fly-by-wire" airplanes, medical care and monitoring systems, and...
Semantics for Hierarchical Task-Network Planning (1995)
Erol, Kutluhan, Hendler, James A., Nau, Dana S.
One big obstacle to understanding the nature of hierarchical task network (HTN) planning has been the lack of a clear theoretical framework. In particular, no one has yet presented a clear and...
Complexity Results for HTN Planning (1995)
Erol, Kutluhan, Hendler, James A., Nau, D.S.
Most practical work on AI planning systems during the last fifteen years has been based on hierarchical task network (HTN) decomposition, but until now, there has been very little analytical work on...
Manikonda, V., Krishnaprasad, P.S., Hendler, James A.
This paper puts forward a formal basis for behavior-based robotics, using techniques that have been successful in control- theory-based approaches for steering and stabilizing robots that are subject...
A Critical Look at Critics in HTN Planning (1995)
Erol, Kutluhan, Hendler, James A., Nau, D.S., Tsuneto, R.
Detecting interactions and resolving conflicts in one of the key issues for generative planning systems. Hierarchical Task Network (HTN) planning systems use critics for this purpose. Critics have...
Using the Parka Parallel Knowledge Representation System (Version 3.2) (1995)
Kettler, Brian, Andersen, William, Hendler, James A., Luke, S.
Parka is a symbolic, semantic network knowledge representation system that takes advantage of the massive parallelism of supercomputers such as the Connection Machine. The Parka language has many of...
UM Translog: A Planning Domain for the Development and Benchmarking of Planning Systems (1995)
Andrews, Scott, Kettler, Brian, Erol, Kutluhan, Hendler, James A.
The last twenty years of AI planning research has discovered a wide variety of planning techniques such as state-space search, hierarchical planning, case-based planning and reactive planning. These...
The challenges of real-time AI (1995)
David J. Musliner, James A. Hendler, Ashok K. Agrawala, Edmund H. Durfee, Jay K. Strosnider, C. J. Paul
Submitted to IEEE Computer
The challenges of real-time AI (1995)
David J. Musliner, James A. Hendler, Ashok K. Agrawala, Edmund H. Durfee, Jay K. Strosnider, C. J. Paul
(AI) methods are moving towards more realistic domains requiring real-time responses, and real-time systems are moving towards more complex applications requiring intelligent behavior.
The Challenges of Real-Time AI (1995)
David J. Musliner, James A. Hendler, Ashok K. Agrawala, Edmund H. Durfee, Jay K. Strosnider, C. J. Paul
this paper was submitted to IEEE Computer.
Complexity Results for HTN Planning (1994)
Erol, Kutluhan, Hendler, James A., Nau, D.S.
Most practical work on AI planning systems during the last fifteen years has been based on hierarchical task network decomposition, but until now, there has been very little analytical work on the...
Supervenient Hierarchies of Behaviors: Lessons Learned from a Vacuuming Robot (1994)
Seeliger, O., Hendler, James A.
In this paper we describe the use of behavior hierarchies based on ﲭerging two models of multi-layer architecture -- the supervenience model of [1] and the subsumption model of [4]. The behavior...
Massively parallel support for case-based planning (1994)
Brian P. Kettler, James A. Hendler, William A. Andersen, Matthew P. Evett
In case-based planning (CBP), previously generated plans are stored as cases in memory and can be reused to solve similar planning problems in the future. CBP can save considerable time over planning...
Massively Parallel Matching of Knowledge Structures (1994)
William A. Andersen, James A. Hendler, Matthew P. Evett, Brian P. Kettler
As knowledge bases used for AI systems increase in size, access to relevant information is the dominant factor in the cost of inference. This is especially true for analogical (or case-based)...
Linking Symbolic and Subsymbolic Computing (1993)
The growing interest in integrating symbolic and subsymbolic computing techniques is manifested by the increasing number of hybrid systems that employ both methods of processing. This paper presents...
Knowledge Representation in PARKA - Part 2: Experiments, Analysis, and Enhancements (1992)
Spector, Lee, Andersen, William, Hendler, James A., Kettler, Brian, Schwartzman, Eugene, Woods, Cynthia, ...
Our research group has designed and implemented a symbolic knowledge representation system called PARKA which runs on the Connection Machine, a massively parallel SIMD computer [9]. The semantics of...
Complexity, Decidability and Undecidability Results for Rule- Based Expert Systems (1992)
Blanksteen, Scott, Hendler, James A., Nau, Dana S.
We prove the equivalence of domain-independent planning systems and rule-based expert systems. We use this equivalence to examine how the complexity of deriving conclusions in rule-based expert...
Computer Similarity in a Reuse Library System: An AI-based Approach (1991)
Ostertag, Eduardo J., Hendler, James A., Prieto-Diaz, Ruben, Braun, Christine
This paper presents an AI-based library system for software reuse, called AIRS, that allows a developer to browse a software library in search of components that best meet some stated requirement. A...
Computer Similarity in a Reuse Library System: An AI-based Approach (1991)
Ostertag, Eduardo J., Hendler, James A., Prieto-Diaz, Ruben, Braun, Christine
This paper presents an AI-based library system for software reuse, called AIRS, that allows a developer to browse a software library in search of components that best meet some stated requirement. A...
Integrating Neural Network and Export Reasoning: An Example (1991)
Hendler, James A., Dickens, Leonard
In this paper we describe a shell which has been developed to allow an integration of neural network and expert systems technology. The system, SCRuFFy, is based on an analysis of the different...
PRA: Massively Parallel Heuristic Search (1991)
Evett, Matthew, Hendler, James A., Mahanti, A., Nau, D.
In this paper we describe a variant of A* search designed to run on the massively parallel, SIMD Connection Machine. The algorithm is designed to run in a limited memory by use of a retraction...
Exploiting Limited Interactions in Plan Optimization (1990)
Yang, Q., Nau, D.S., Hendler, James A.
Past Planning systems have generally focused on structures capable of working in all domains (domain-independent planning) or on specific heuristics for a particular applied domain (domain-dependent...
Planning in Uncertain, Unpredictable or Changing Environments (1990)
This report is a compendium of the extended abstracts submitted by participants at the 1990 AAAI Spring Symposium entitled Planning in Uncertain, Unpredictable or Changing environments. The papers...
Knowledge Strata Reactive Planning with a Multi-level Architecture (1990)
Spector, L., Hendler, James A.
This report demonstrates the use of "multi-level" or "layered" knowledge representation in Artificial Intelligence planning systems. Although multi-level representation schemes have been in use since...
Subbarao Kambhampati, James A. Hendler
A validation-structure-based theory of plan modification and reuse
Control of Refitting during Plan Reuse (1989)
Subbarao Kambhampati, James A. Hendler
In plan reuse, refitting is the process of modifying an existing plan to make it applicable to a new problem situation. An efficient refitting strategy needs to be conservative, i.e., it should...
BackProp: A Tool for Learning About Connectionist Architectures. (1988)
Pollack, Jordan, Evett, Matthew, Hendler, James A.
This paper provides an implementation, in Common Lisp, of an "epoch learning algorithm," a simple modification of the standard back-propagation algorithm. This implementation is not intended to be a...
Towards Dynamic Planning. (1987)
Sanborn, J.C., Hendler, James A.
Many desirable application domains for planning are inherently dynamic: representation of the domain is ill-specified or incomplete, the existence or verity of information changes with time, and...
Marker passing and microfeature (1987)
The cognitive modeling community is presently divided between two different approaches to the spread of activation through networks. One school holds that symbolic information must be progagated, the...
Thesis (M.S. in Psychology)--S.M.U.