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DEBU
2010
134views more  DEBU 2010»
15 years 4 months ago
Causality in Databases
Provenance is often used to validate data, by verifying its origin and explaining its derivation. When searching for "causes" of tuples in the query results or in genera...
Alexandra Meliou, Wolfgang Gatterbauer, Joseph Y. ...
JMLR
2010
159views more  JMLR 2010»
15 years 1 months ago
Inference of Sparse Networks with Unobserved Variables. Application to Gene Regulatory Networks
Networks are becoming a unifying framework for modeling complex systems and network inference problems are frequently encountered in many fields. Here, I develop and apply a gener...
Nikolai Slavov
ICASSP
2011
IEEE
14 years 10 months ago
Approximation of pattern transformation manifolds with parametric dictionaries
The construction of low-dimensional models explaining highdimensional signal observations provides concise and efficient data representations. In this paper, we focus on pattern ...
Elif Vural, Pascal Frossard
CISS
2010
IEEE
14 years 10 months ago
On the LASSO and Dantzig selector equivalence
—Recovery of sparse signals from noisy observations is a problem that arises in many information processing contexts. LASSO and the Dantzig selector (DS) are two well-known schem...
Muhammad Salman Asif, Justin K. Romberg
SIGCOMM
2004
ACM
16 years 14 days ago
Locating internet routing instabilities
This paper presents a methodology for identifying the autonomous system (or systems) responsible when a routing change is observed and propagated by BGP. The origin of such a rout...
Anja Feldmann, Olaf Maennel, Zhuoqing Morley Mao, ...