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Ontology-driven personalized information retrieval for XM...
[Submitted on 22 Mar 2026 (v1), last revised 28 Jul 2026 (this v · 2026-03-22 · via cs.LG updates on arXiv.org

This paper has been withdrawn by Tai Dinh

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Abstract:This paper addresses the challenge of improving information retrieval from semi-structured eXtensible Markup Language (XML) documents. Traditional information retrieval systems (IRS) often overlook user-specific needs and return identical results for the same query, despite differences in users' knowledge, preferences, and objectives. We integrate external semantic resources, namely a domain ontology and user profiles, into the retrieval process. Documents, queries, and user profiles are represented as vectors of weighted concepts. The ontology applies a concept-weighting mechanism that emphasizes highly specific concepts, as lower-level nodes in the hierarchy provide more precise and targeted information. Relevance is assessed using semantic similarity measures that capture conceptual relationships beyond keyword matching, enabling personalized and fine-grained matching among user profiles, queries, and documents. Experimental results show that combining ontologies with user profiles improves retrieval effectiveness, achieving higher precision and recall than keyword-based approaches. Overall, the proposed framework enhances the relevance and adaptability of XML search results, supporting more user-centered retrieval.

Submission history

From: Tai Dinh [view email]
[v1] Sun, 22 Mar 2026 09:29:43 UTC (5,848 KB)
[v2] Tue, 28 Jul 2026 18:57:06 UTC (1 KB) (withdrawn)