4397 search results - page 9 / 880 » Relational Algebra Operations |
SEMCO
2009
IEEE
14 years 2 months ago
2009
IEEE
Semantic integration in the hidden Web is an emerging area of research where traditional assumptions do not always hold. Frequent changes, conflicts and the sheer size of the hid...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
—With the rise of XML as a standard for representing business data, XML data warehousing appears as a suitable solution for decision-support applications. In this context, it is ...
FM
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. The Alloy modeling language has a mathematically rigorous denotational semantics based on relational algebra. Alloy specifications often represent operations on a state,...
IDEAS
2003
IEEE
14 years 25 days ago
2003
IEEE
In this concise paper, we present the Nested Relational Sequence Model (NRSM), which is an extension of the Nested Relational Data Model in order to handle XML data. We also intro...
APLAS
2010
ACM
13 years 7 months ago
2010
ACM
We consider the problem of specifying data structures with complex sharing in a manner that is both declarative and results in provably correct code. In our approach, abstract data...