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ICASSP
2011
IEEE
14 years 10 months ago
Microphone position optimization for planar superdirective beamforming
The performance of a fixed beamformer highly depends on the position of the microphones in the array. In this paper, different heuristic optimisation approaches for arbitrary pla...
Ina Kodrasi, Thomas Rohdenburg, Simon Doclo
GIS
2004
ACM
16 years 7 months ago
Object-relational management of complex geographical objects
Modern database applications including computer-aided design, multimedia information systems, medical imaging, molecular biology, or geographical information systems impose new re...
Hans-Peter Kriegel, Peter Kunath, Martin Pfeifle, ...
SIGMOD
2009
ACM
213views Database» more  SIGMOD 2009»
16 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...
SIGMOD
2008
ACM
142views Database» more  SIGMOD 2008»
16 years 6 months ago
Cost-based variable-length-gram selection for string collections to support approximate queries efficiently
Approximate queries on a collection of strings are important in many applications such as record linkage, spell checking, and Web search, where inconsistencies and errors exist in...
Xiaochun Yang, Bin Wang, Chen Li
BIBM
2009
IEEE
206views Bioinformatics» more  BIBM 2009»
16 years 1 months ago
Application of Kernel Functions for Accurate Similarity Search in Large Chemical Databases
Background: Similaritysearch in chemical structure databases is an important problem with many applications in chemical genomics, drug design, and efficient chemical probe screeni...
Xiaohong Wang, Jun Huan, Aaron M. Smalter, Gerald ...