Sciweavers

AAAI
2015
10 years 1 months ago
Multimedia Data for the Visually Impaired
The Web contains a large amount of information in the form of videos that remains inaccessible to the visually impaired people. We identify a class of videos whose information con...
Niket Tandon, Shekhar Sharma, Tanima Makkad
AAAI
2015
10 years 1 months ago
Lower and Upper Bounds for SPARQL Queries over OWL Ontologies
The paper presents an approach for optimizing the evaluation of SPARQL queries over OWL ontologies using SPARQL’s OWL Direct Semantics entailment regime. The approach is based o...
Birte Glimm, Yevgeny Kazakov, Ilianna Kollia, Gior...
AAAI
2015
10 years 1 months ago
Energy Disaggregation via Learning Powerlets and Sparse Coding
In this paper, we consider the problem of energy disaggregation, i.e., decomposing a whole home electricity signal into its component appliances. We propose a new supervised algor...
Ehsan Elhamifar, Shankar Sastry
AAAI
2015
10 years 1 months ago
Optimal Estimation of Multivariate ARMA Models
Autoregressive moving average (ARMA) models are a fundamental tool in time series analysis that offer intuitive modeling capability and efficient predictors. Unfortunately, the l...
Martha White, Junfeng Wen, Michael Bowling, Dale S...
AAAI
2015
10 years 1 months ago
From Classical to Consistent Query Answering under Existential Rules
Querying inconsistent ontologies is an intriguing new problem that gave rise to a flourishing research activity in the description logic (DL) community. The computational complexi...
Thomas Lukasiewicz, Maria Vanina Martinez, Andreas...