IUI 99 is the annual meeting of the intelligent interfaces community and serves as the principal international forum for reporting outstanding research and development on intelligent user interfaces.

Scope
We seek high-quality, original papers, panels, posters/demonstrations and tutorials that address the theory, design, development, and evaluation of intelligent user interfaces. Suggested topics include (but are not limited to):

• Knowledge-based tools and environments for user interface design and development.
• Intelligent agents and agent-based interaction.
• Plan-based interfaces and plan recognition.
• Automated presentation of information.
• Automated integration of multimedia/multimodal input.
• Intelligent interfaces for the Internet, for tasks such as design, navigation, access, brokering, and presentation.
• Adaptive and customizable user interfaces.
• Architectures for intelligent, cooperative, distributed, and multimodal interfaces.
• Intelligent front-ends to interactive, multimedia, hypermedia, or knowledge-based systems.
• User and discourse modeling and user adapted interaction.
• Application-specific intelligent interfaces, in areas such as tutoring, information retrieval, decision support, computer-supported cooperative work, computer-aided design, entertainment, nomadic/mobile computing, etc.
• Evaluation methods and metrics for intelligent and agent-based interfaces.

Theme
The 1999 IUI meeting will have the thematic focus: "Bridging Science and Applications." Motivated by an increasing societal need for interfaces that mitigate application complexity and information overload, it is becoming increasingly important to connect the steady flow of research developments into commercial practice. Accordingly, IUI 99 will emphasize the discovery of new scientific and technological advances and their transition to real world applications.

Submissions
Papers are solicited for presentations as talks, interactive posters, demonstrations or tutorials. Authors are encouraged to submit work-in-progress to the poster session which has a special late date. Longer papers should highlight both the general scientific contribution of the research and its practical significance. Panels are solicited that would provide controversial or stimulating debate on any of the topics relevant to the meeting. Tutorial sessions should give conference participants the opportunity to gain new insights, knowledge, and skills in intelligent user interfaces. Papers for submission must be formatted using the CHI paper format. Full papers are limited to 8 pages, short papers are limited to 4 pages, panels to 6 pages, posters to 1 page, and tutorials to 2 pages. Posters are appropriate for late breaking results and in addition to appearing as a 1 page abstract in the proceedings, will be presented as interactive poster presentations or demonstrations. Supporting videos (VHS) are encouraged for paper, poster, and demo submissions. Five (5) copies of all paper and panel submissions must be sent to the Program Chair to arrive by July 1st, 1998. All poster submissions must be sent to the Program Chair to arrive by September 15th, 1998.