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» An Expressive Language for Linear Spatial Database Queries
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BTW
1999
Springer
129views Database» more  BTW 1999»
14 years 29 days ago
Dual Retrieval in Conceptual Information Systems
Conceptual Information Systems provide a multi-dimensional conceptually structured view on data stored in relational databases. On restricting the expressiveness of the retrieval l...
Gerd Stumme
DBPL
1993
Springer
95views Database» more  DBPL 1993»
14 years 23 days ago
A Moose and a Fox Can Aid Scientists with Data Management Problems
Fox Finding Objects of eXperiments is the declarative query language for Moose Modeling Objects Of Scienti c Experiments, an object-oriented data model at the core of a scient...
Janet L. Wiener, Yannis E. Ioannidis
ICDT
2012
ACM
293views Database» more  ICDT 2012»
11 years 11 months ago
On the complexity of query answering over incomplete XML documents
Previous studies of incomplete XML documents have identified three main sources of incompleteness – in structural information, data values, and labeling – and addressed data ...
Amélie Gheerbrant, Leonid Libkin, Tony Tan
ICALP
2005
Springer
14 years 2 months ago
The Tree Inclusion Problem: In Optimal Space and Faster
Given two rooted, ordered, and labeled trees P and T the tree inclusion problem is to determine if P can be obtained from T by deleting nodes in T. This problem has recently been r...
Philip Bille, Inge Li Gørtz
GIS
2002
ACM
13 years 8 months ago
A WFS-based mediation system for GIS interoperability
The proliferation of spatial data on the Internet is beginning to allow a much wider access to data currently available in various Geographic Information Systems (GIS). In order t...
Omar Boucelma, Mehdi Essid, Zoé Lacroix