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AAAI
2015
8 years 3 days ago
Existential Rule Languages with Finite Chase: Complexity and Expressiveness
Finite chase, or alternatively chase termination, is an important condition to ensure the decidability of existential rule languages. In the past few years, a number of rule langu...
Heng Zhang, Yan Zhang, Jia-Huai You
AAAI
2015
8 years 3 days ago
Contrastive Unsupervised Word Alignment with Non-Local Features
Word alignment is an important natural language processing task that indicates the correspondence between natural languages. Recently, unsupervised learning of log-linear models f...
Yang Liu, Maosong Sun
AAAI
2015
8 years 3 days ago
Consistent Knowledge Discovery from Evolving Ontologies
Deductive reasoning and inductive learning are the most common approaches for deriving knowledge. In real world applications when data is dynamic and incomplete, especially those ...
Freddy Lécué, Jeff Z. Pan
AAAI
2015
8 years 3 days ago
Colorization by Patch-Based Local Low-Rank Matrix Completion
Colorization aims at recovering the original color of a monochrome image from only a few color pixels. A stateof-the-art approach is based on matrix completion, which assumes that...
Quanming Yao, James T. Kwok
AAAI
2015
8 years 3 days ago
Extending Analogical Generalization with Near-Misses
Concept learning is a central problem for cognitive systems. Generalization techniques can help organize examples by their commonalities, but comparisons with non-examples, near-m...
Matthew D. McLure, Scott E. Friedman, Kenneth D. F...
AAAI
2015
8 years 3 days ago
Model-Based Reinforcement Learning in Continuous Environments Using Real-Time Constrained Optimization
Reinforcement learning for robot control tasks in continuous environments is a challenging problem due to the dimensionality of the state and action spaces, time and resource cost...
Olov Andersson, Fredrik Heintz, Patrick Doherty
AAAI
2015
8 years 3 days ago
On Computing Explanations in Argumentation
Argumentation can be viewed as a process of generating explanations. However, existing argumentation semantics are developed for identifying acceptable arguments within a set, rat...
Xiuyi Fan, Francesca Toni
AAAI
2015
8 years 3 days ago
FutureMatch: Combining Human Value Judgments and Machine Learning to Match in Dynamic Environments
The preferred treatment for kidney failure is a transplant; however, demand for donor kidneys far outstrips supply. Kidney exchange, an innovation where willing but incompatible p...
John P. Dickerson, Tuomas Sandholm
AAAI
2015
8 years 3 days ago
Burst Time Prediction in Cascades
Studying the bursty nature of cascades in social media is practically important in many applications such as product sales prediction, disaster relief, and stock market prediction...
Senzhang Wang, Zhao Yan, Xia Hu, Philip S. Yu, Zho...
AAAI
2015
8 years 3 days ago
Analysis of Equilibria in Iterative Voting Schemes
Following recent analyses of iterative voting and its effects on plurality vote outcomes, we provide a general characterisation of the set of equilibria attainable by iterative p...
Zinovi Rabinovich, Svetlana Obraztsova, Omer Lev, ...