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Design of Intelligent Human Interface - Brief Summary of Research Activities - Yasufumi Takama Tokyo Institute of Technology (Currently: Tokyo Metropolitan Institute of Technology) PREST, Japan Science and Technology Corporation 1/16 VSA 1 Characteristics of VSA Multi-modal Interface Suitable for users with little knowledge of computers Face-to-face interaction & speech dialog Connected with WWW browser Applicable to facility guidance systems Dialog management system (DMS) with learning module Acquisition of cooperative answering strategy 2/16 VSA 2 DMS with Learning Module Cooperative answer depends on both user’s knowledge & system’s location E.g. “Where is the library?” Tell the way from system’s location to the library Use the landmark that user seems to know 2 types of knowledge acquisition Overlay-type user-model to estimate the knowledge state of the present user Reinforcement learning to acquire locationspecific appropriate rules 3/16 FISH VIEW 1 Document Ordering while Reading is an Effective Way of Dealing with Vast Collection of Documents Making diagrams Reading documents Viewpoint extraction Viewpoint-based support by Fisheye Matching Retrieving new documents 4/16 FISH VIEW 2 Extracted Concepts as Viewpoints From medical news ID Heading Information Words (stemmed) 3f98b3 value of health diseas,sickne,health,etc. 444506 component of living body protei,immuno,choles,dna 30f6da internal organs eye,heart,lung,knee,etc. 3f969e disease syndro,aids,cancer,cold,etc. 44479c medical supplies drug,medici,laxati,acid,etc. 30f6f7 medical instruments bandag,cathet,glasse,etc. From cinema reviews Categories of action, SF, monster, etc. 5/16 Query Network 1 Query Network: Plastic Clustering for Visualization Clustering-based visualization applied to WWW-IR Categorization (static, i.e. user independent) Plastic clustering (gradual formation through a series of IR) Naive clustering (one-shot, i.e. no inheritance) K-means, STC, etc. 6/16 Query Network 2 Analogy to Immune Network Antibodies generated for antigens Activated antibody can be sensitive to next invasion Various antibodies in plastic structure Clusters generated for retrieved documents Effective cluster can be reused for subsequent retrieval Various clusters in plastic structure Activation value calculation based on differential equation of mathematical biology 7/16