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ICALP
2007
Springer
14 years 1 months ago
Parameterized Algorithms for Directed Maximum Leaf Problems
d Abstract) Noga Alon∗ Fedor V. Fomin† Gregory Gutin‡ Michael Krivelevich§ Saket Saurabh¶ We prove that finding a rooted subtree with at least k leaves in a directed grap...
Noga Alon, Fedor V. Fomin, Gregory Gutin, Michael ...
DATESO
2004
174views Database» more  DATESO 2004»
13 years 9 months ago
On Efficient Part-match Querying of XML Data
The XML language have been becoming de-facto a standard for representation of heterogeneous data in the Internet. From database point of view, XML is a new approach to data modelli...
Michal Krátký, Marek Andrt
DBA
2004
88views Database» more  DBA 2004»
13 years 9 months ago
A Flexible Database Authorization System
In this paper we present an authorization mechanism for a relational database. It allows defining the user privileges exact to a table row. To implement that we used the INSTEAD t...
Bazyli Blicharski, Krzysztof Stencel
DILS
2006
Springer
13 years 11 months ago
On Querying OBO Ontologies Using a DAG Pattern Query Language
The Open Biomedical Ontologies (OBO) is a consortium that serves as a repository of ontologies that are structured like directed acyclic graphs. In this paper we present a language...
Amarnath Gupta, Simone Santini
BTW
2003
Springer
92views Database» more  BTW 2003»
14 years 29 days ago
A Logical, Transparent Model for Querying Linked XML Documents
Abstract:The W3C XML Linking Language (XLink) provides a powerful means for interlinking XML documents all over the world. While the effects when browsing through linked XML docume...
Wolfgang May, Dimitrio Malheiro