Do I Care? -- Tell Me What’s Changed on the Web

Mark S. Ackerman, and Michael Pazzani

We describe the Do-I-Care agent, which uses machine learning to detect "interesting" changes to Web pages previously found to be relevant. Because this agent focuses on changes to known pages rather than discovering new pages, we increase the likelihood that the information found will be interesting. The agent’s accuracy in finding interesting changes and in learning is improved by exploiting regularities in how pages are changed. Additionally, these agents can be used collaboratively by cascading them and by propagating interesting findings to other users’ agents.

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