Visual and spatial communication and task organization using the visual knowledge builder
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What's new on the web?: the evolution of the web from a search engine perspective
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Managing distributed collections: evaluating web page changes, movement, and replacement
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This paper describes a method to analyze the history of hypermedia collections. We gathered information about documents using the Internet Archive's Wayback Machine. Analysis focused on two key aspects: centroid migration and content migration. The objective is to understand how collections change over time. We developed and applied a tool called HHAT, or Hypertext History Analysis Tool, that visualizes centroids and content migration over time.