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» Solving the Small Sample Size Problem of LDA
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DEXA
2010
Springer
319views Database» more  DEXA 2010»
13 years 7 months ago
An Efficient Similarity Join Algorithm with Cosine Similarity Predicate
Given a large collection of objects, finding all pairs of similar objects, namely similarity join, is widely used to solve various problems in many application domains.Computation ...
Dongjoo Lee, Jaehui Park, Junho Shim, Sang-goo Lee
COCO
2011
Springer
216views Algorithms» more  COCO 2011»
12 years 7 months ago
Linear Systems over Finite Abelian Groups
We consider a system of linear constraints over any finite Abelian group G of the following form: i(x1, . . . , xn) ≡ i,1x1 + · · · + i,nxn ∈ Ai for i = 1, . . . , t and e...
Arkadev Chattopadhyay, Shachar Lovett
SODA
2012
ACM
217views Algorithms» more  SODA 2012»
11 years 10 months ago
Polynomial integrality gaps for strong SDP relaxations of Densest k-subgraph
The Densest k-subgraph problem (i.e. find a size k subgraph with maximum number of edges), is one of the notorious problems in approximation algorithms. There is a significant g...
Aditya Bhaskara, Moses Charikar, Aravindan Vijayar...
HPDC
2010
IEEE
13 years 8 months ago
Reshaping text data for efficient processing on Amazon EC2
Text analysis tools are nowadays required to process increasingly large corpora which are often organized as small files (abstracts, news articles, etc). Cloud computing offers a ...
Gabriela Turcu, Ian T. Foster, Svetlozar Nestorov
BMCBI
2008
86views more  BMCBI 2008»
13 years 7 months ago
Subfamily specific conservation profiles for proteins based on n-gram patterns
Background: A new algorithm has been developed for generating conservation profiles that reflect the evolutionary history of the subfamily associated with a query sequence. It is ...
John K. Vries, Xiong Liu