Sciweavers

AAAI
2015
8 years 8 months ago
Hierarchical Monte-Carlo Planning
Monte-Carlo Tree Search, especially UCT and its POMDP version POMCP, have demonstrated excellent performance on many problems. However, to efficiently scale to large domains one ...
Ngo Anh Vien, Marc Toussaint
AAAI
2015
8 years 8 months ago
Inertial Hidden Markov Models: Modeling Change in Multivariate Time Series
Faced with the problem of characterizing systematic changes in multivariate time series in an unsupervised manner, we derive and test two methods of regularizing hidden Markov mod...
George D. Montanez, Saeed Amizadeh, Nikolay Laptev
AAAI
2015
8 years 8 months ago
On Unconstrained Quasi-Submodular Function Optimization
With the extensive application of submodularity, its generalizations are constantly being proposed. However, most of them are tailored for special problems. In this paper, we focu...
Jincheng Mei, Kang Zhao, Bao-Liang Lu
AAAI
2015
8 years 8 months ago
Exploiting Submodular Value Functions for Faster Dynamic Sensor Selection
A key challenge in the design of multi-sensor systems is the efficient allocation of scarce resources such as bandwidth, CPU cycles, and energy, leading to the dynamic sensor sel...
Yash Satsangi, Shimon Whiteson, Frans A. Oliehoek
AAAI
2015
8 years 8 months ago
Automatic Assessment of OCR Quality in Historical Documents
Mass digitization of historical documents is a challenging problem for optical character recognition (OCR) tools. Issues include noisy backgrounds and faded text due to aging, bor...
Anshul Gupta, Ricardo Gutierrez-Osuna, Matthew Chr...
AAAI
2015
8 years 8 months ago
Value-Directed Compression of Large-Scale Assignment Problems
Data-driven analytics—in areas ranging from consumer marketing to public policy—often allow behavior prediction at the level of individuals rather than population segments, of...
Tyler Lu, Craig Boutilier
AAAI
2015
8 years 8 months ago
The Extendable-Triple Property: A New CSP Tractable Class beyond BTP
Tractable classes constitute an important issue in Artificial Intelligence to define new islands of tractability for reasoning or problem solving. In the area of constraint netw...
Philippe Jégou, Cyril Terrioux
AAAI
2015
8 years 8 months ago
Resilient Upgrade of Electrical Distribution Grids
Modern society is critically dependent on the services provided by engineered infrastructure networks. When natural disasters (e.g. Hurricane Sandy) occur, the ability of these ne...
Emre Yamangil, Russell Bent, Scott Backhaus
AAAI
2015
8 years 8 months ago
Projection in the Epistemic Situation Calculus with Belief Conditionals
A fundamental task in reasoning about action and change is projection, which refers to determining what holds after a number of actions have occurred. A powerful method for solvin...
Christoph Schwering, Gerhard Lakemeyer
AAAI
2015
8 years 8 months ago
High-Performance Distributed ML at Scale through Parameter Server Consistency Models
As Machine Learning (ML) applications embrace greater data size and model complexity, practitioners turn to distributed clusters to satisfy the increased computational and memory ...
Wei Dai, Abhimanu Kumar, Jinliang Wei, Qirong Ho, ...