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DAWAK
2001
Springer
15 years 9 months ago
Shared Index Scans for Data Warehouses
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...
Yannis Kotidis, Yannis Sismanis, Nick Roussopoulos
ML
2007
ACM
130views Machine Learning» more  ML 2007»
15 years 4 months ago
Interactive learning of node selecting tree transducer
We develop new algorithms for learning monadic node selection queries in unranked trees from annotated examples, and apply them to visually interactive Web information extraction. ...
Julien Carme, Rémi Gilleron, Aurélie...
EDBT
2009
ACM
131views Database» more  EDBT 2009»
15 years 8 months ago
Sample synopses for approximate answering of group-by queries
With the amount of data in current data warehouse databases growing steadily, random sampling is continuously gaining in importance. In particular, interactive analyses of large d...
Philipp Rösch, Wolfgang Lehner
CORR
2000
Springer
104views Education» more  CORR 2000»
15 years 4 months ago
ATLAS: A flexible and extensible architecture for linguistic annotation
We describe a formal model for annotating linguistic artifacts, from which we derive an application programming interface (API) to a tools for manipulating these annotations. The ...
Steven Bird, David Day, John S. Garofolo, John Hen...
165
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BIB
2010
129views more  BIB 2010»
15 years 5 months ago
Pathway Tools version 13.0: integrated software for pathway/genome informatics and systems biology
PathwayTools is a production-quality software environment for creating a type of model-organism database called a Pathway/Genome Database (PGDB). A PGDB such as EcoCyc integrates ...
Peter D. Karp, Suzanne M. Paley, Markus Krummenack...