PROJECT DESCRIPTION

• INTRODUCTION: The Alexandria Project
  • The Structure of the Proposal
• AN OVERVIEW OF THE APPROACH OF THE ALEXANDRIA PROJECT
  • A Focus on Spatially-Indexed Information and its Unique Problems
  • Related Research and the Project Investigators
• THE DETERMINATION OF USER REQUIREMENTS
  • An Initial Characterization of User Requirements in Terms of Queries
  • Research Issues
• COLLECTIONS OF SPATIALLY-INDEXED INFORMATION TO BE SUPPORTED
• THE ALEXANDRIA ARCHITECTURE
  • Overview
  • Details of the Architecture
  • Research Issues
• THE ALEXANDRIA TESTBED FACILITY
  • Overview
  • The Alexandria Prototype
  • The Alexandria Testbed
  • Evaluation of the Testbed
• THE INGEST COMPONENT: Support for the Capture and Preprocessing of Data
  • Image Storage and Browsing Using Wavelets
  • Research Issues
• THE USER INTERFACE: Support for Easy User Access
  • Discussion of Text and Visual Query Languages
  • Design of Query Languages and User Interface
  • Utilities to Support the Visual Interface
  • Query Processing at the Interface
  • Research Issues
• THE CATALOGUE COMPONENT: Support for Search and Access
  • Characterizing Data: Geographical Data and Metadata
  • Conceptual data model and schema design
  • Content-based Indexing
  • Data Access and Distribution
  • Research issues
• THE STORAGE COMPONENT: Hierarchical Storage
• THE NETWORK COMPONENT: Fast Access Over the Network
  • Research Issues
• RESEARCH ON PARALLEL COMPUTING SUPPORT
  • The Need for Parallel Processing
  • Parallel Computer as a Server for Multiprocessing of Information Query
  • Parallel Algorithms and Data Structures
  • Image Organization Strategies for Efficient Parallel Access
  • Research Issues
• RAPID PROTOTYPE AND TESTBED HARDWARE
  • Rapid Prototype
  • Testbed
  • Research Issues
• EXTRACOMPUTATIONAL ISSUES
  • Charging for Data and Alternative Incentives
  • Legal and Spatial Information Policy Issues
  • Research Issues
• EXPECTED ACCOMPLISHMENTS
• RESULTS FROM PRIOR NSF SUPPORT
  • OSCAR H. IBARRA
  • Research Topics in Parallel Computing and Complexity Theory
    NSF CCR 89-18409, $231,012, 4/1/90-3/31/94, PI: O.H. Ibarra
  • Systolic Systems and Automata-Based Computational Complexity
    NSF DCR-9096221, $102,300, 5/1/90-4/30/91, PI: O.H. Ibarra
  • Systolic Systems and Automata-Based Computational Complexity
    NSF DCR-8604603, $150,000, 1986-1990, PI: O.H. Ibarra
  • An Infrastructure Facility for Parallel Processing Research
    NSF CDA92-16202, $1,050,000, 5/1/93-4/30/98, co-PI's: J. Bruno and O.H. Ibarra
  • Experimental Research in Computer Algorithms
    NSF CER DCR-8420935, $2,600,000, 1985-1990, co-PI's: O.H. Ibarra, J.B. Rosen, S. Sahni
  • Summary of Results
  • Selected Papers
  • MICHAEL F. GOODCHILD
  • TERENCE R. SMITH
  • Towards A System That Supports Conceptual Modeling In Data Intensive Scientific Investigation
    NSF IRI-9117094, $610,808, 9/1/91-8/31/94, co-PI's D. Agrawal, A.El Abbadi, T.R.Smith, J.Su
  • Summary of Results
• Selected Papers