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ICDT
2009
ACM
105views Database» more  ICDT 2009»
16 years 7 months ago
Efficient data structures for range-aggregate queries on trees
Graph-theoretic aggregation problems have been considered both in OLAP (grid graph) and XML (tree). This paper gives new results for MIN aggregation in a tree, where we want the M...
Hao Yuan, Mikhail J. Atallah
ICDT
2009
ACM
121views Database» more  ICDT 2009»
16 years 7 months ago
Optimal splitters for database partitioning with size bounds
Partitioning is an important step in several database algorithms, including sorting, aggregation, and joins. Partitioning is also fundamental for dividing work into equal-sized (o...
Kenneth A. Ross, John Cieslewicz
WWW
2009
ACM
16 years 7 months ago
Searching for events in the blogosphere
Over the last few years, blogs (web logs) have gained massive popularity and have become one of the most influential web social media in our times. Every blog post in the Blogosph...
Manolis Platakis, Dimitrios Kotsakos, Dimitrios Gu...
RECOMB
2009
Springer
16 years 7 months ago
Simultaneous Alignment and Folding of Protein Sequences
Abstract. Accurate comparative analysis tools for low-homology proteins remains a difficult challenge in computational biology, especially sequence alignment and consensus folding ...
Bonnie Berger, Charles W. O'Donnell, Jér&oc...
SIGCSE
2009
ACM
132views Education» more  SIGCSE 2009»
16 years 7 months ago
Retina: helping students and instructors based on observed programming activities
It is difficult for instructors of CS1 and CS2 courses to get accurate answers to such critical questions as "how long are students spending on programming assignments?"...
Christian Murphy, Gail E. Kaiser, Kristin Loveland...