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» Rewriting of Regular Expressions and Regular Path Queries
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TOCL
2002
96views more  TOCL 2002»
14 years 9 months ago
On first-order topological queries
One important class of spatial database queries is the class of topological queries, that is, queries invariant under homeomorphisms. Westudy topological queries expressible in th...
Martin Grohe, Luc Segoufin
85
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LICS
2005
IEEE
15 years 3 months ago
Looping Caterpillars
There are two main paradigms for querying semi structured data: regular path queries and XPath. The aim of this paper is to provide a synthesis between these two. This synthesis i...
Evan Goris, Maarten Marx
FQAS
2009
Springer
127views Database» more  FQAS 2009»
15 years 4 months ago
Finding Top-k Approximate Answers to Path Queries
We consider the problem of finding and ranking paths in semistructured data without necessarily knowing its full structure. The query language we adopt comprises conjunctions of r...
Carlos A. Hurtado, Alexandra Poulovassilis, Peter ...
SCP
2010
96views more  SCP 2010»
14 years 8 months ago
Enforcing structural regularities in software using IntensiVE
The design and implementation of a software system is often governed by a variety of coding conventions, design patterns, architectural guidelines, design rules, and other so-call...
Johan Brichau, Andy Kellens, Sergio Castro, Theo D...
EDBT
2002
ACM
179views Database» more  EDBT 2002»
15 years 9 months ago
Efficient Complex Query Support for Multiversion XML Documents
Managing multiple versions of XML documents represents a critical requirement for many applications. Also, there has been much recent interest in supporting complex queries on XML ...
Shu-Yao Chien, Vassilis J. Tsotras, Carlo Zaniolo,...