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JACM
2010
208views more  JACM 2010»
14 years 10 months ago
The nested chinese restaurant process and bayesian nonparametric inference of topic hierarchies
clustering of documents according to sharing of topics at multiple levels of abstraction. Given a corpus of documents, a posterior inference algorithm finds an approximation to a ...
David M. Blei, Thomas L. Griffiths, Michael I. Jor...
75
Voted
CIKM
2009
Springer
15 years 6 months ago
Dynamic in-page logging for flash-aware B-tree index
This paper presents Dynamic IPL B+ -tree (d-IPL in short) as a B+ -tree index variant for flash-based storage systems. The d-IPL B+ -tree adopts a dynamic In-Page Logging (IPL) s...
Gap-Joo Na, Sang-Won Lee, Bongki Moon
KDD
2007
ACM
177views Data Mining» more  KDD 2007»
16 years 5 days ago
Mining optimal decision trees from itemset lattices
We present DL8, an exact algorithm for finding a decision tree that optimizes a ranking function under size, depth, accuracy and leaf constraints. Because the discovery of optimal...
Élisa Fromont, Siegfried Nijssen
GECCO
2007
Springer
192views Optimization» more  GECCO 2007»
15 years 3 months ago
A new crossover technique for Cartesian genetic programming
Genetic Programming was first introduced by Koza using tree representation together with a crossover technique in which random sub-branches of the parents' trees are swapped ...
Janet Clegg, James Alfred Walker, Julian Francis M...
GLVLSI
2009
IEEE
113views VLSI» more  GLVLSI 2009»
15 years 3 months ago
Reducing parity generation latency through input value aware circuits
1 Soft errors caused by cosmic particles and radiation emitted by the packaging are an important problem in contemporary microprocessors. Parity bits are used to detect single bit ...
Yusuf Osmanlioglu, Y. Onur Koçberber, Oguz ...