1482 search results - page 188 / 297 » An Algebra for XML Query |
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Traditional approaches to rule-based information extraction (IE) have primarily been based on regular expression grammars. However, these grammar-based systems have difficulty scal...
ICDE
2003
IEEE
14 years 11 months ago
2003
IEEE
Despite the recent proliferation of work on semistructured data models, there has been little work to date on supporting uncertainty in these models. In this paper, we propose a m...
ICDE
2002
IEEE
14 years 11 months ago
2002
IEEE
XML and other semi-structured data may have partially specified or missing schema information, motivating the use of a structural summary which can be automatically computed from ...
OODBS
1992
14 years 1 months ago
1992
This paper addresses the problem of de ning views that span several objectbases. Views are expressed in terms of an object algebra. We are interested in the degrees of coupling an...
ESWS
2008
Springer
13 years 11 months ago
2008
Springer
The goal of this paper is to give an overview of the basics of the theory of RDF databases. We provide a formal definition of RDF that includes the features that distinguish this m...