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IR
2007
15 years 4 months ago
An empirical study of tokenization strategies for biomedical information retrieval
Due to the great variation of biological names in biomedical text, appropriate tokenization is an important preprocessing step for biomedical information retrieval. Despite its im...
Jing Jiang, ChengXiang Zhai
CHI
2011
ACM
14 years 8 months ago
Social media ownership: using twitter as a window onto current attitudes and beliefs
Social media, by its very nature, introduces questions about ownership. Ownership comes into play most crucially when we investigate how social media is saved or archived; how it ...
Catherine C. Marshall, Frank M. Shipman III
KDD
2012
ACM
281views Data Mining» more  KDD 2012»
13 years 7 months ago
Active spectral clustering via iterative uncertainty reduction
Spectral clustering is a widely used method for organizing data that only relies on pairwise similarity measurements. This makes its application to non-vectorial data straightforw...
Fabian L. Wauthier, Nebojsa Jojic, Michael I. Jord...
ICDE
2000
IEEE
116views Database» more  ICDE 2000»
16 years 5 months ago
Query Plans for Conventional and Temporal Queries Involving Duplicates and Ordering
Most real-world database applications contain a substantial portion of time-referenced, or temporal, data. Recent advances in temporal query languages show that such database appl...
Giedrius Slivinskas, Christian S. Jensen, Richard ...
DAC
2007
ACM
16 years 5 months ago
Alembic: An Efficient Algorithm for CNF Preprocessing
Satisfiability (SAT) solvers often benefit from a preprocessing of the formula to be decided. For formulae in conjunctive normal form (CNF), subsumed clauses may be removed or par...
HyoJung Han, Fabio Somenzi