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» A Data Model for XML Databases
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169
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ICDT
2012
ACM
293views Database» more  ICDT 2012»
13 years 6 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
123
Voted
VLDB
2005
ACM
144views Database» more  VLDB 2005»
15 years 9 months ago
Bidirectional Expansion For Keyword Search on Graph Databases
Relational, XML and HTML data can be represented as graphs with entities as nodes and relationships as edges. Text is associated with nodes and possibly edges. Keyword search on s...
Varun Kacholia, Shashank Pandit, Soumen Chakrabart...
137
Voted
ISBI
2006
IEEE
16 years 4 months ago
A flexible framework for Web interfaces to image databases: supporting user-defined ontologies and links to external databases
Vocabularies to describe research findings are needed to effectively use scientific databases. As understanding of data evolves, scientists need tools for extending the vocabulari...
Josiah Johnston, Arpun Nagaraja, Harry Hochheiser,...
115
Voted
NAR
2006
100views more  NAR 2006»
15 years 3 months ago
The LIFEdb database in 2006
LIFEdb (http://www.LIFEdb.de) integrates data from large-scale functional genomics assays and manual cDNA annotation with bioinformatics gene expression and protein analysis. New ...
Alexander Mehrle, Heiko Rosenfelder, Ingo Schupp, ...
165
Voted
EDBT
2002
ACM
125views Database» more  EDBT 2002»
16 years 3 months ago
Estimating Answer Sizes for XML Queries
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
Yuqing Wu, Jignesh M. Patel, H. V. Jagadish