Anchor Prediction: Automatic Refinement of Internet Links

• URL: http://arxiv.org/abs/2305.14337v2
• Date: Wed, 24 May 2023 07:12:33 GMT
• Title: Anchor Prediction: Automatic Refinement of Internet Links
• Authors: Nelson F. Liu and Kenton Lee and Kristina Toutanova
• Abstract summary: We introduce the task of anchor prediction. The goal is to identify the specific part of the linked target webpage that is most related to the source linking context. We release the AuthorAnchors dataset, a collection of 34K naturally-occurring anchored links.
• Score: 25.26235117917374
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Internet links enable users to deepen their understanding of a topic by providing convenient access to related information. However, the majority of links are unanchored -- they link to a target webpage as a whole, and readers may expend considerable effort localizing the specific parts of the target webpage that enrich their understanding of the link's source context. To help readers effectively find information in linked webpages, we introduce the task of anchor prediction, where the goal is to identify the specific part of the linked target webpage that is most related to the source linking context. We release the AuthorAnchors dataset, a collection of 34K naturally-occurring anchored links, which reflect relevance judgments by the authors of the source article. To model reader relevance judgments, we annotate and release ReaderAnchors, an evaluation set of anchors that readers find useful. Our analysis shows that effective anchor prediction often requires jointly reasoning over lengthy source and target webpages to determine their implicit relations and identify parts of the target webpage that are related but not redundant. We benchmark a performant T5-based ranking approach to establish baseline performance on the task, finding ample room for improvement.

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