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» Aggregate queries over ontologies
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CLUSTER
2005
IEEE
14 years 3 months ago
Fast Query Processing by Distributing an Index over CPU Caches
Data intensive applications on clusters often require requests quickly be sent to the node managing the desired data. In many applications, one must look through a sorted tree str...
Xiaoqin Ma, Gene Cooperman
JBI
2011
283views Bioinformatics» more  JBI 2011»
13 years 5 months ago
Cross-product extensions of the Gene Ontology
The Gene Ontology is being normalized and extended to include computable logical definitions. These definitions are partitioned into mutually exclusive cross-product sets, many of...
Christopher J. Mungall, Michael Bada, Tanya Z. Ber...
ADC
2010
Springer
266views Database» more  ADC 2010»
13 years 5 months ago
Counting distinct objects over sliding windows
Aggregation against distinct objects has been involved in many real applications with the presence of duplicates, including real-time monitoring moving objects. In this paper, we ...
Wenjie Zhang, Ying Zhang, Muhammad Aamir Cheema, X...
LCPC
2004
Springer
14 years 3 months ago
Supporting SQL-3 Aggregations on Grid-Based Data Repositories
There is an increasing trends towards distributed and shared repositories for storing scientific datasets. Developing applications that retrieve and process data from such reposit...
Li Weng, Gagan Agrawal, Ümit V. Çataly...
SIGMOD
2005
ACM
133views Database» more  SIGMOD 2005»
14 years 10 months ago
Semantics and Evaluation Techniques for Window Aggregates in Data Streams
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....
Jin Li, David Maier, Kristin Tufte, Vassilis Papad...