Publication statistics

Pub. period:2003-2009
Pub. count:4
Number of co-authors:9


Number of publications with 3 favourite co-authors:

Carlo Curino:
Hyun J. Moon:
Carlo Zaniolo:



Productive colleagues

Letizia Tanca's 3 most productive colleagues in number of publications:

Carlo Curino:5
Fabio A. Schreiber:4
Carlo Zaniolo:4

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Letizia Tanca


Publications by Letizia Tanca (bibliography)

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Bolchini, Cristiana, Curino, Carlo, Quintarelli, Elisa, Schreiber, Fabio A. and Tanca, Letizia (2009): Context information for knowledge reshaping. In Int. J. Web Eng. Technol., 5 (1) pp. 88-103.

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Baralis, Elena, Garza, Paolo, Quintarelli, Elisa and Tanca, Letizia (2007): Answering XML queries by means of data summaries. In ACM Transactions on Information Systems, 25 (3) p. 10.

XML is a rather verbose representation of semistructured data, which may require huge amounts of storage space. We propose a summarized representation of XML data, based on the concept of instance pattern, which can both provide succinct information and be directly queried. The physical representation of instance patterns exploits itemsets or association rules to summarize the content of XML datasets. Instance patterns may be used for (possibly partially) answering queries, either when fast and approximate answers are required, or when the actual dataset is not available, for example, it is currently unreachable. Experiments on large XML documents show that instance patterns allow a significant reduction in storage space, while preserving almost entirely the completeness of the query result. Furthermore, they provide fast query answers and show good scalability on the size of the dataset, thus overcoming the document size limitation of most current XQuery engines.

© All rights reserved Baralis et al. and/or ACM Press

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Curino, Carlo, Moon, Hyun J., Tanca, Letizia and Zaniolo, Carlo (2007): Schema Evolution in Wikipedia - Toward a Web Information System Benchmark. In: Cordeiro, Jos and Filipe, Joaquim (eds.) ICEIS 2008 - Proceedings of the Tenth International Conference on Enterprise Information Systems Volume DISI June 12-16, 2007, Barcelona, Spain. pp. 323-332.

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Bolchini, Cristiana, Salice, Fabio, Schreiber, Fabio A. and Tanca, Letizia (2003): Logical and physical design issues for smart card databases. In ACM Transactions on Information Systems, 21 (3) pp. 254-285.

The design of very small databases for smart cards and for portable embedded systems is deeply constrained by the peculiar features of the physical medium. We propose a joint approach to the logical and physical database design phases and evaluate several data structures with respect to the performance, power consumption, and endurance parameters of read/program operations on the Flash-EEPROM storage medium.

© All rights reserved Bolchini et al. and/or ACM Press

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