Sciweavers

5628 search results - page 345 / 1126
» Data challenges at Yahoo!
Sort
View
ICA
2012
Springer
14 years 3 months ago
Audio Imputation Using the Non-negative Hidden Markov Model
Abstract. Missing data in corrupted audio recordings poses a challenging problem for audio signal processing. In this paper we present an approach that allows us to estimate missin...
Jinyu Han, Gautham J. Mysore, Bryan Pardo
SIGMOD
2007
ACM
157views Database» more  SIGMOD 2007»
16 years 7 months ago
Compiling mappings to bridge applications and databases
Translating data and data access operations between applications and databases is a longstanding data management problem. We present a novel approach to this problem, in which the...
Sergey Melnik, Atul Adya, Philip A. Bernstein
SIGMOD
2003
ACM
162views Database» more  SIGMOD 2003»
16 years 7 months ago
DBGlobe: a service-oriented P2P system for global computing
The challenge of peer-to-peer computing goes beyond simple file sharing. In the DBGlobe project, we view the multitude of peers carrying data and services as a superdatabase. Our ...
Evaggelia Pitoura, Serge Abiteboul, Dieter Pfoser,...
ICDE
2010
IEEE
227views Database» more  ICDE 2010»
16 years 2 months ago
Incorporating partitioning and parallel plans into the SCOPE optimizer
— Massive data analysis on large clusters presents new opportunities and challenges for query optimization. Data partitioning is crucial to performance in this environment. Howev...
Jingren Zhou, Per-Åke Larson, Ronnie Chaiken
ICDM
2008
IEEE
106views Data Mining» more  ICDM 2008»
16 years 2 months ago
Metropolis Algorithms for Representative Subgraph Sampling
While data mining in chemoinformatics studied graph data with dozens of nodes, systems biology and the Internet are now generating graph data with thousands and millions of nodes....
Christian Hübler, Hans-Peter Kriegel, Karsten...