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Xin Liu

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Review Open access Aug 2026

Analysis of User-Generated Content in Visitor Reviews of Tourist Attractions Using Semantic Similarity

An integrated framework combining Topic-RoBERTa, topic-level semantic network analysis, and Graph Attention Networks (GAT) to extract experience topics and model their semantic associations and offer valuable insights for tourism management and service optimization is presented.

Ya-Wei Wu, Xin Liu, A. Cheema · 0 citations
Preprint Aug 2026

CAP: A Scalable Benchmark for Evaluating Cross-Site Browser Agents with Complex Actions and Perception

CAP is introduced, a scalable benchmark for evaluating browser agents on cross-site, human-like web tasks that require non-trivial UI interactions and visual understanding and a decomposition-and-recomposition pipeline that first abstracts each website into a structured site card capturing user-facing functions, complex execution operations, and perceptual requirements, and then recomposes these components into realistic cross-site workflows.

Zejun Xu, Taiyi Chen, Jin Li et al. · 0 citations

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