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Incremental Navigation: Providing Simple and Generic Access to Heterogeneous Structures

  • Shawn Bowers
  • Lois Delcambre
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3288)

Abstract

We present an approach to support incremental navigation of structured information, where the structure is introduced by the data model and schema (if present) of a data source. Simple browsing through data values and their connections is an effective way for a user or an automated system to access and explore information. We use our previously defined Uni-Level Description (ULD) to represent an information source explicitly by capturing the source’s data model, schema (if present), and data values. We define generic operators for incremental navigation that use the ULD directly along with techniques for specifying how a given representation scheme can be navigated. Because our navigation is based on the ULD, the operations can easily move from data to schema to data model and back, supporting a wide range of applications for exploring and integrating data. Further, because the ULD can express a broad range of data models, our navigation operators are applicable, without modification, across the corresponding model or schema. In general, we believe that information sources may usefully support various styles of navigation, depending on the type of user and the user’s desired task.

Keywords

Construct Type Navigation Operator Usual Suspect Navigation Operation Very Large Data Base 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Shawn Bowers
    • 1
  • Lois Delcambre
    • 2
  1. 1.San Diego Supercomputer Center at UCSDLa JollaUSA
  2. 2.OGI School of Science and Engineering at OHSUBeavertonUSA

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