Istituto di Scienza e Tecnologie dell'Informazione     
Amato G., Debole F., Zezula P., Rabitti F. YAPI: Yet Another Path Index for XML searching. In: ECDL 03 (Trondheim, 2-17 August 2003). Proceedings, pp. 176 - 187. Traugott Koch and Ingeborg S{o}lvberg (eds.). (Lecture Notes in Computer Science, vol. 2769). Springer, 2003.
As many metadata are encoded in XML, and many digital libraries need to manage XML documents, efficient techniques for searching in such formatted data are required. In order to efficiently process path expressions with wildcards on XML data, a new path index is proposed. Extensive evaluation confirms better performance with respect to other techniques proposed in the literature. An extension of the proposed technique to deal with the content of XML documents in addition to their structure is also discussed.
Subject XML search
Access structures
Path index
H.3.2 Information Storage
H.2.2 Physical Design. Access Methods

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