Yolanda Gil
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Publications by Yolanda Gil (bibliography)
» 2009 «
Groth, Paul T. and Gil, Yolanda (2009): A scientific workflow construction command line. In: Proceedings of the 2009 International Conference on Intelligent User Interfaces 2009. pp. 445-450. Available online
Workflows have emerged as a common tool for scientists to express their computational analyses. While there are a multitude of visual data flow editors for workflow construction, to date there are none that support the input of workflows using natural language. This work presents the design of a hybrid system that combines natural language input through a command line with a visual editor.
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» 2008 «
Gil, Yolanda and Ratnakar, Varun (2008): Towards intelligent assistance for to-do lists. In: Proceedings of the 2008 International Conference on Intelligent User Interfaces 2008. pp. 329-332. Available online
Assisting users with to-do lists presents new challenges for intelligent user interfaces. This paper presents a detailed analysis of to-do list entries jotted by users of a system that automates tasks for users that we would like to extend to assist users with their to-do entries. We also present four distinct stages of interpretation of to-do entries that can be accomplished and evaluated separately. A system that has good performance in any of these four stages can provide intelligent assistance that is useful to users.
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» 2007 «
Kim, Jihie and Gil, Yolanda (2007): Incorporating tutoring principles into interactive knowledge acquisition. In International Journal of Human-Computer Studies, 65 (10) pp. 852-872
This paper argues that interactive knowledge acquisition systems would benefit from a tighter and more thorough incorporation of tutoring and learning principles. Current acquisition systems learn from users in a passive manner, and could instead be designed to incorporate the proactive capabilities that one expects of a good student. We first describe our analysis of the literature on teacher-student interaction and present a compilation of tutoring and learning principles that are relevant to interactive knowledge acquisition systems. We then point out what tutoring and learning principles have been used to date in the acquisition literature, though unintentionally and implicitly, and discuss how a more thorough and explicit representation of these principles would help improve how computers learn from users. We present our design and an initial implementation of an acquisition dialogue system called SLICK that represents acquisition principles and goals explicitly and declaratively, making the system actively reason about various acquisition tasks and generate its interactions dynamically. Finally, we discuss promising directions in designing acquisition systems by structuring interactions with users according to tutoring and learning principles.
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Gil, Yolanda, Deelman, Ewa, Ellisman, Mark H., Fahringer, Thomas, Fox, Geoffrey, Gannon, Dennis, Goble, Carole, Livny, Miron, Moreau, Luc and Myers, Jim (2007): Examining the Challenges of Scientific Workflows. In IEEE Computer, 40 (12) pp. 24-32
» 2006 «
Gil, Yolanda and Artz, Donovan (2006): Towards content trust of web resources. In: Proceedings of the 2006 International Conference on the World Wide Web 2006. pp. 565-574. Available online
Trust is an integral part of the Semantic Web architecture. While most prior work focuses on entity-centered issues such as authentication and reputation, it does not model the content, i.e. the nature and use of the information being exchanged. This paper discusses content trust as an aggregate of other trust measures that have been previously studied. The paper introduces several factors that users consider in deciding whether to trust the content provided by a Web resource. Many of these factors are hard to capture in practice, since they would require a large amount of user input. Our goal is to discern which of these factors could be captured in practice with minimal user interaction in order to maximize the system's trust estimates. The paper also describes a simulation environment that we have designed to study alternative models of content trust.
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» 2005 «
Chklovski, Timothy and Gil, Yolanda (2005): Improving the design of intelligent acquisition interfaces for collecting world knowledge from web contributors. In: Clark, Peter and Schreiber, Guus (eds.) K-CAP 2005 - Proceedings of the 3rd International Conference on Knowledge Capture October 2-5, 2005, Banff, Alberta, Canada. pp. 35-42. Available online
» 2004 «
Kim, Jihie, Spraragen, Marc and Gil, Yolanda (2004): An intelligent assistant for interactive workflow composition. In: Nunes, Nuno Jardim and Rich, Charles (eds.) International Conference on Intelligent User Interfaces 2004 January 13-16, 2004, Funchal, Madeira, Portugal. pp. 125-131. Available online
Complex applications in many areas, including scientific computations and business-related web services, are created from collections of components to form computational workflows. In many cases end users have requirements and preferences that depend on how the workflow unfolds, and that cannot be specified beforehand. Workflow editors enable users to formulate workflows, but the editors need to be augmented with intelligent assistance in order to help users in several key aspects of the task, namely: 1) keeping track of detailed constraints across selected components and their connections; 2) specifying the workflow flexibly, e.g., top-down, bottom-up, from requirements, or from available data; and 3) taking partial or incomplete descriptions of workflows and understanding the steps needed for their completion. We present an approach that combines knowledge bases (that have rich representations of components) together with planning techniques (that can track the relations and constraints among individual steps). We illustrate the approach with an implemented system called CAT (Composition Analysis Tool) that analyzes workflows and generates error messages and suggestions in order to help users compose complete and consistent workflows.
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Blythe, Jim and Gil, Yolanda (2004): Incremental formalization of document annotations through ontology-based paraphrasing. In: Proceedings of the 2004 International Conference on the World Wide Web 2004. pp. 455-461. Available online
For the manual semantic markup of documents to become wide-spread, users must be able to express annotations that conform to ontologies (or schemas) that have shared meaning. However, a typical user is unlikely to be familiar with the details of the terms as defined by the ontology authors. In addition, the idea to be expressed may not fit perfectly within a pre-defined ontology. The ideal tool should help users find a partial formalization that closely follows the ontology where possible but deviates from the formal representation where needed. We describe an implemented approach to help users create semi-structured semantic annotations for a document according to an extensible OWL ontology. In our approach, users enter a short sentence in free text to describe all or part of a document, and the system presents a set of potential paraphrases of the sentence that are generated from valid expressions in the ontology, from which the user chooses the closest match. We use a combination of off-the-shelf parsing tools and breadth-first search of expressions in the ontology to help users create valid annotations starting from free text. The user can also define new terms to augment the ontology, so the potential matches can improve over time.
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» 2003 «
Gennari, John H., Porter, Bruce W. and Gil, Yolanda (eds.) K-CAP 2003 - Proceedings of the 2nd International Conference on Knowledge Capture October 23-25, 2003, Sanibel Island, FL, USA.
» 2002 «
Gil, Yolanda and Leake, David (eds.) International Conference on Intelligent User Interfaces 2002 January 13-16, 2002, San Francisco, California, USA.
» 2001 «
Blythe, Jim, Kim, Jihie, Ramachandran, Surya and Gil, Yolanda (2001): An Integrated Environment for Knowledge Acquisition. In: International Conference on Intelligent User Interfaces 2001 January 14-17, 2001, Sanata Fe, New Mexico, USA. pp. 13-20. Available online
This paper describes an integrated acquisition interface that includes several techniques previously developed to support users in various ways as they add new knowledge to an intelligent system. As a result of this integration, the individual techniques can take better advantage of the context in which they are invoked and provide stronger guidance to users. We describe the current implementation using examples from a travel planning domain, and demonstrate how users can add complex knowledge to the system.
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Clark, Peter, Thompson, John, Barker, Ken, Porter, Bruce W., Chaudhri, Vinay K., Rodríguez, Andrés, Thoméré, Jérôme, Mishra, Sunil, Gil, Yolanda, Hayes, Patrick J. and Reichherzer, Thomas (2001): Knowledge entry as the graphical assembly of components. In: K-CAP 2001 - Proceedings of the First International Conference on Knowledge Capture October 21-23, 2001, Victoria, BC, Canada. pp. 22-29. Available online
» 2000 «
Kim, Jihie and Gil, Yolanda (2000): User Studies of an Interdependency-Based Interface for Acquiring Problem-Solving Knowledge. In: Lieberman, Henry (ed.) International Conference on Intelligent User Interfaces 2000 January 9-12, 2000, New Orleans, Louisiana, USA. pp. 165-168. Available online
This paper describes a series of experiments with a range of users to evaluate an intelligent interface for acquiring problem-solving knowledge to describe how to accomplish a task. The tool derives the interdependencies between different pieces of knowledge in the system and uses them to guide the user in completing the acquisition task. The paper describes results obtained when the tool was tested with a wide range of users, including end users. The studies show that our acquisition interface saves users an average of 32% of the time it takes to add new knowledge, and highlight some interesting differences across user groups. The paper also describes what are the areas that need to be addressed in future research in order to make these tools usable by end users.
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» 1999 «
Lieberman, Henry, Bradshaw, Jeffrey M., Gil, Yolanda and Selker, Ted (1999): IUI and Agents for the New Millennium. In: Maybury, Mark T. (ed.) International Conference on Intelligent User Interfaces 1999 January 5-8, 1999, Redondo Beach, California, USA. pp. 93-94. Available online
Advocates of intelligent user interfaces are used to fighting an uphill battle against more conventional approaches. Skeptics have been reluctant to accept intelligent tutoring systems, adaptive user interfaces, machine learning, predictive user models, anthropomorphic interaction, etc. as part of everyday interfaces because they have been suspicious of the feasibility of such techniques and fearful of the risk of possible mistakes. The good news is that we seem to be making progress in gaining acceptance. Past IUI conferences abound with examples of intelligent interface experiments that clearly demonstrate their feasibility. Limited examples of intelligent interfaces are actually starting to make their ways into commercial products. There is considerable evidence that opposition is softening. However, we're not out of the woods yet. Many of the early examples of commercial IUI and agent software are positioned as "add-ons" to the more familiar direct-manipulation interfaces, rather than playing a central role. We haven't yet reached the point where a new application is simply assumed, as a matter of course, to require all the representation, reasoning and learning features that IUI attendees advocate. But suppose we do? Suppose intelligence becomes such an integral part of the interface in the 21st century that we couldn't imagine applications without it? How will our software environment and the software industry change as a result? Will knowledge bases, inference engines, and learning algorithms become as much a part of the operating system as windows and menus? Will the idea of an "application", as a standalone, shrink-wrapped single-purpose interface, disappear? Once the interface is intelligent, is there any point to having present-day concepts like "files" or "directories"? Will all interfaces become personalized to the extent that there won't be any more "generic" interfaces that remain the same across millions of users? Will all information sources be interactive and customized, obsoleting paper books and linear movies? Will that lead to a loss of shared context among users? How will different intelligent user interfaces interoperate and co-operate? What, if anything, will be the next step beyond IUIs and agents? The panel will ask participants to speculate on how the widespread acceptance of intelligent user interfaces that we expect for the next millennium will transform our computing environments.
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Mar 18th, 2010
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