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» Modeling and Querying Semi-structured Data
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ICDT
1999
ACM
97views Database» more  ICDT 1999»
15 years 2 months ago
Optimizing Large Join Queries in Mediation Systems
In data integration systems, queries posed to a mediator need to be translated into a sequence of queries to the underlying data sources. In a heterogeneous environment, with sour...
Ramana Yerneni, Chen Li, Jeffrey D. Ullman, Hector...
BALT
2008
14 years 12 months ago
Flexible Database Platform for Biomedical Research with Multiple User Interfaces and a Universal Query Engine
Biomedical research on human subjects often requires a large amount of data to be collected by personal interviews, Internet based questionnaires, lab measurements or by extracting...
Margus Jäger, Liina Kamm, Darja Krushevskaja,...
ADC
2008
Springer
135views Database» more  ADC 2008»
15 years 4 months ago
Faster Path Indexes for Search in XML Data
This article describes how to implement efficient memory resident path indexes for semi-structured data. Two techniques are introduced, and they are shown to be significantly fas...
Nils Grimsmo
ACL
2006
14 years 11 months ago
Bayesian Query-Focused Summarization
We present BAYESUM (for "Bayesian summarization"), a model for sentence extraction in query-focused summarization. BAYESUM leverages the common case in which multiple do...
Hal Daumé III, Daniel Marcu
BTW
2003
Springer
109views Database» more  BTW 2003»
15 years 3 months ago
Transbase: a Leading-edge ROLAP Engine Supporting Multidimensional Indexing and Hierarchy Clustering
: Analysis-oriented database applications, such as data warehousing or customer relationship management, play a crucial role in the database area. In general, the multidimensional ...
Roland Pieringer, Klaus Elhardt, Frank Ramsak, Vol...