Please use this identifier to cite or link to this item:
http://hdl.handle.net/1942/593
Title: | XML with data values: typechecking revisited | Authors: | Alon, Noga Milo, Tova NEVEN, Frank |
Issue Date: | 2003 | Publisher: | Elsevier | Source: | Journal of Computer and System Sciences, 66(4). p. 688-727 | Abstract: | We investigate the typechecking problem for XML queries: statically verifying that every answer to a query conforms to a given output DTD, for inputs satisfying a given input DTD. This problem had been studied by a subset of the authors in a simplified framework that captured the structure of XML documents but ignored data values. We revisit here the typechecking problem in the more realistic case when data values are present in documents and tested by queries. In this extended framework, typechecking quickly becomes undecidable. However, it remains decidable for large classes of queries and DTDs of practical interest. The main contribution of the present paper is to trace a fairly tight boundary of decidability for typechecking with data values. The complexity of typechecking in the decidable cases is also considered. | Document URI: | http://hdl.handle.net/1942/593 | ISSN: | 0022-0000 | e-ISSN: | 1090-2724 | DOI: | 10.1016/S0022-0000(03)00032-1 | ISI #: | 000183896800005 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2004 |
Appears in Collections: | Research publications |
Show full item record
SCOPUSTM
Citations
38
checked on Sep 2, 2020
WEB OF SCIENCETM
Citations
29
checked on Oct 14, 2024
Page view(s)
80
checked on May 30, 2023
Google ScholarTM
Check
Altmetric
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.