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CIKM
2003
Springer
13 years 11 months ago
Dimensionality reduction using magnitude and shape approximations
High dimensional data sets are encountered in many modern database applications. The usual approach is to construct a summary of the data set through a lossy compression technique...
Ümit Y. Ogras, Hakan Ferhatosmanoglu
SIGMOD
2009
ACM
213views Database» more  SIGMOD 2009»
14 years 6 months ago
Dictionary-based order-preserving string compression for main memory column stores
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
Carsten Binnig, Stefan Hildenbrand, Franz Fär...
CIKM
2009
Springer
13 years 10 months ago
Space-economical partial gram indices for exact substring matching
Exact substring matching queries on large data collections can be answered using q-gram indices, that store for each occurring q-byte pattern an (ordered) posting list with the po...
Nan Tang, Lefteris Sidirourgos, Peter A. Boncz
PREMI
2007
Springer
13 years 12 months ago
Self Adaptable Recognizer for Document Image Collections
Abstract. This paper presents an architecture that enables the recognizer to learn incrementally and, thereby adapt to document image collections for performance improvement. We ar...
Million Meshesha, C. V. Jawahar
ICHIM
2001
123views more  ICHIM 2001»
13 years 7 months ago
Digital Video and Hypermedia Based New Services for Working on Patrimonial Archives
The "Institut National de I'Audiovisuel" (1NA) is in charge of keeping records of national TV broadcasts. Its main function is to provide TV producers with authenti...
Marc Nanard, Jocelyne Nanard, David Genest, Michel...