A novel XML document structure comparison framework based-on sub-tree commonalities and label semantics

Autor(es)

Tekli, Joe ^[1] ; Chbeir, Richard ^[2]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, ICMC Comp Sci & Stat Inst, BR-13566590 Sao Carlos, SP - Brazil

^[2] Univ Bourgogne, Lab UMR CNRS LE2I, F-21078 Dijon - France

• Tipo de documento: Artigo Científico
• Fonte: Journal of Web Semantics; v. 11, p. 14-40, MAR 2012.
• Citações Web of Science: 20

Resumo

XML similarity evaluation has become a central issue in the database and information communities, its applications ranging over document clustering, version control, data integration and ranked retrieval. Various algorithms for comparing hierarchically structured data, XML documents in particular, have been proposed in the literature. Most of them make use of techniques for finding the edit distance between tree structures, XML documents being commonly modeled as Ordered Labeled Trees. Yet, a thorough investigation of current approaches led us to identify several similarity aspects, i.e., sub-tree related structural and semantic similarities, which are not sufficiently addressed while comparing XML documents. In this paper, we provide an integrated and fine-grained comparison framework to deal with both structural and semantic similarities in XML documents (detecting the occurrences and repetitions of structurally and semantically similar sub-trees), and to allow the end-user to adjust the comparison process according to her requirements. Our framework consists of four main modules for (i) discovering the structural commonalities between sub-trees, (ii) identifying sub-tree semantic resemblances, (iii) computing tree-based edit operations costs, and (iv) computing tree edit distance. Experimental results demonstrate higher comparison accuracy with respect to alternative methods, while timing experiments reflect the impact of semantic similarity on overall system performance. (C) 2011 Elsevier B. V. All rights reserved. (AU)

• Processo FAPESP: 10/00330-2 - Pesquisa priorizada de palavras-chaves em Documentos XML
• Beneficiário: Joe Tekli
• Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado